Design method, device and application of magnetic hybrid vibrator with moving iron and moving coil for nonlinear term cancellation

Abstract

A design method for a hybrid vibrator with a moving iron and a moving coil that cancels out nonlinear terms, (1): the vibrator body includes an outer cylinder, a first vibration transmission plate and a second vibration transmission plate, a first movable assembly and a second movable assembly; (2): the first movable assembly and the second movable assembly are respectively and simultaneously subjected to electromagnetic forces of thrust and pull in pairs, presenting a push-pull structural feature, so that the linear terms in the forces acting on the first movable assembly and the second movable assembly are superimposed on each other and become larger, while the nonlinear terms in the forces acting on the first movable assembly and the second movable assembly are partially or completely canceled out and reduced, thereby obtaining the hybrid vibrator with a moving iron and a moving coil that cancels out nonlinear terms.

Description

Technical Field

[0001] The present invention relates to the field of vibrator technology, and in particular to a design method, device and application of a magnetic hybrid vibrator of a moving iron and moving coil that cancels nonlinear terms. Background Art

[0002] The design of the vibrator and / or tactile feedback actuator of the bone conduction earphones, the dynamic coil design has many advantages. For example, because most general speakers use dynamic coils, the technology is relatively mature. In addition, the moving mass of the mover is relatively low, so the response to signal changes is relatively fast and the delay is relatively small. Also, because the moving mass is relatively low, the bandwidth can be high.

[0003] The existing dynamic vibrator and actuator designs often have relatively high nonlinear terms due to the design deficiencies of the magnet and coil combination. That is, the force or acceleration value of the dynamic component will have relatively high distortion in the low or high frequency band, which is the total harmonic distortion THD (total harmonic distortion). Please refer to the attached Fig. 27 The figure shows the distortion curve of the existing dynamic coil or moving magnet vibrator. It can be seen that the distortion reaches 55% near 35hz and 65% around 5k-6khz. Such a large distortion indicates that the distortion of the audio signal or tactile feedback signal near the low frequency causes the actual perception of the sound quality and tactile feedback to be very different from the actual one. Generally speaking, when the distortion is greater than 10%, it is unacceptable from the audio standard.

[0004] In addition, please refer to the attached Fig.29 For a vibrator with a single moving magnet or a single moving coil, there is only one vibrator system, so there is only one resonant frequency point of the system. When the input signal of the vibrator is close to the resonant frequency, the frequency response amplitude of the vibrator will produce a peak. When the input signal of the vibrator leaves the resonant frequency, the amplitude of the frequency response curve of the vibrator will decay rapidly. In this way, for a wide-band input signal, the bandwidth of the frequency response curve of the vibrator is relatively narrow. Summary of the invention

[0005] One of the objectives of the present invention is to provide a design method for a moving-iron and moving-coil magnetic hybrid vibrator that cancels out nonlinear terms.

[0006] Another object of the present invention is to provide a hybrid vibrator with a moving iron and a moving magnet coil that cancels out nonlinear terms and is designed using the above method.

[0007] Another object of the present invention is to provide an application of a hybrid vibrator designed by the above method to offset the nonlinear terms of a moving iron and a moving magnet coil.

[0008] The technical solution of the present invention is: a design method for a magnetic hybrid vibrator with a moving iron and a moving coil that can offset nonlinear terms, including the following conditions:

[0009] (1): A vibrator body is provided, wherein the vibrator body includes an outer cylinder, a first vibration transmission plate and a second vibration transmission plate, a first movable subassembly and a second movable subassembly, wherein the first movable subassembly includes an iron core combination structure, and the second movable subassembly includes a coil magnet combination structure, wherein the first movable subassembly is provided in the outer cylinder, and the second movable subassembly is provided in the outer cylinder and is located outside the first movable subassembly, wherein the first movable subassembly is fixedly connected to the first vibration transmission plate through at least one position, and wherein the second movable subassembly is fixedly connected to the second vibration transmission plate through at least one position;

[0010] (2): The first mover assembly and the second mover assembly are respectively subjected to electromagnetic forces of thrust and pull in pairs, presenting a push-pull structural feature.

[0011] The present invention provides a design method, device and application of a magnetic hybrid vibrator with a moving iron and a moving coil for offsetting nonlinear terms by improving the present invention. Compared with the prior art, the present invention has the following improvements and advantages:

[0012] 1. The present invention proposes a method that can use a symmetrical or asymmetrical design to offset the nonlinear term of the driving force exerted on the moving iron assembly and the moving magnetic coil assembly, or the acceleration of the two moving components to the vibrator coil current, so that the nonlinear term can be completely or partially offset in the final resultant force, thereby greatly reducing the distortion of the vibrator and improving the fidelity of the vibrator for the original audio signal or tactile feedback signal.

[0013] 2. The nonlinear term of the present invention offsets the moving-iron and moving-coil magnetic hybrid vibrator, and the total harmonic distortion in the low-frequency band is reduced from the original peak value of 55% to below 15%, and the total harmonic distortion in the high-frequency band is reduced from the original peak value of 65% to below 5%. The reduction in the distortion curve is equivalent to the reduction in the resonant frequency of the vibrator system from another aspect, thereby improving the sound quality in the low and medium frequencies. In addition, it can also be equivalent to the improvement in the sensitivity of the vibrator system and the reduction in power consumption.

[0014] 3. The nonlinear term canceling moving iron moving coil magnetic hybrid double moving vibrator of the present invention has two moving subassemblies, each moving subassembly is connected to a separate spring sheet, thus forming two independent vibrating subsystems, each vibrating subsystem corresponds to a vibration resonance frequency. Therefore, when a broadband signal is input into the vibrator system, the frequency response curve of the vibrator will be wider than that of the vibrator of a single moving subassembly, so that the vibrator has a better restoration degree for the broadband input signal.

[0015] 4. The design method of the moving-iron moving-coil magnetic hybrid double-moving vibrator of the present invention achieves uniform and balanced force on the vibrator, realizes overall translational vibration of the vibrator, and has the best vibration effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention will be further explained below in conjunction with the accompanying drawings and embodiments:

[0017] Figure 1 is a cross-sectional view of a vibrator according to embodiments 1 and 2 of the present invention;

[0018] Figure 2-4 is a closed curve of magnetic lines of force of the first mover assembly and the second mover assembly of embodiments 1 and 2 of the present invention;

[0019] Figure 5 is a force analysis diagram of the first mover assembly of embodiments 1 and 2 of the present invention;

[0020] Figure 6 is a force analysis diagram of the second mover assembly of embodiments 1 and 2 of the present invention;

[0021] Figure 7 is a cross-sectional view of a double spring vibration transmission piece device of the present invention;

[0022] Figure 8 is a top view of the double spring vibration transmission piece device of the present invention;

[0023] Fig. 9 is a cross-sectional view of a vibrator according to Embodiment 3 of the present invention;

[0024] Figure 10-11 is a closed curve of magnetic lines of force of the first mover assembly and the second mover assembly in embodiment 3 of the present invention;

[0025] Figure 12-13 is a force analysis diagram of the first mover assembly and the second mover assembly of Example 3 of the present invention;

[0026] Fig.14 is a schematic structural diagram of a first vibration transmission piece in Example 3 of the present invention;

[0027] Fig.15 is a cross-sectional view of a vibrator according to Embodiment 4 of the present invention;

[0028] Fig.16 is a cross-sectional view of a vibrator of Embodiment 5-6 of the present invention;

[0029] Figure 17-19 is a closed curve of magnetic lines of force of the first mover assembly and the second mover assembly of Embodiment 5-6 of the present invention;

[0030] Fig. 20 is a force analysis diagram of the first mover assembly of Embodiment 5-6 of the present invention;

[0031] Fig.21 is a force analysis diagram of the second mover assembly of Embodiment 5-6 of the present invention;

[0032] Fig. 22 is a cross-sectional view of a vibrator according to Embodiment 7 of the present invention;

[0033] Figure 23-24 is a closed curve of magnetic lines of force of the first mover assembly and the second mover assembly in Embodiment 7 of the present invention;

[0034] Fig.25 is a force analysis diagram of the first movable subassembly of Embodiment 7 of the present invention;

[0035] Fig.26 It is a cross-sectional view of a vibrator according to Example 8 of the present invention.

[0036] Fig. 27 This is the total harmonic distortion THD test chart of the existing dynamic oscillator;

[0037] Fig.28 is the frequency response curve of the dual vibration subsystem of the present invention;

[0038] Fig.29 It is the frequency response curve of the single vibration subsystem in the prior art;

[0039] Figure 30-46a is a schematic diagram of a magnet member in the present invention;

[0040] Figure 47-Figure 59 is a schematic diagram of a coil component in the present invention;

[0041] Figure 60-Figure 65 Schematic diagram of magnetic domains in the present invention. DETAILED DESCRIPTION

[0042] The present invention is described in detail below, and the technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0043] For the design of nonlinear term cancellation, there are 2N magnetic domains inside the oscillator, which are combined in pairs and defined as magnetic domain D 1,i and D 2,i Where i = 1, 2, 3, ..., N. The closed curve of the main magnetic force lines of the coil and the closed curve of the main magnetic force lines of the permanent magnet respectively cross the magnetic field D 1,i and D 2,i , and in the magnetic domain D 1,i In the magnetic field, the direction of the magnetic field lines of the coil is the same as that of the permanent magnet, and in the magnetic field D 2,i In the magnetic field of the coil, the direction of the magnetic field of the permanent magnet is opposite to that of the magnetic field of the permanent magnet. 1,iIn the magnetic field of the coil, the direction of the magnetic field of the permanent magnet is opposite to that of the magnetic field of the permanent magnet, and in the magnetic field D 2,i In the circuit, the direction of the magnetic lines of force of the coil is the same as that of the permanent magnet.

[0044] When the direction of the magnetic lines of force of the coil passing through a certain magnetic domain is the same as the direction of the magnetic lines of force of the permanent magnet, the total magnetic flux is equal to the sum of the magnetic flux generated by the coil and the magnetic flux generated by the permanent magnet. When the direction of the magnetic lines of force of the coil passing through a certain magnetic domain is the same as the direction of the magnetic lines of force of the permanent magnet, the total magnetic flux is equal to the difference between the magnetic flux generated by the coil and the magnetic flux generated by the permanent magnet.

[0045] Magnetic domain: A magnetic domain is a spatial region filled with electromagnetic energy, generally composed of air or a medium with a small magnetic permeability (such as a relative magnetic permeability <1000), including the region where the magnetic material is located; the moving coil vibrator with nonlinear terms offset in the present invention includes at least one magnetic action domain. The magnetic action domain refers to a certain spatial region in which there is a certain electromagnetic field or multiple electromagnetic fields, so that interaction forces occur between the components surrounding the magnetic action domain. We define this region as the magnetic action domain, or magnetic domain for short. The magnetic domain is the spatial region where magnetic forces interact with each other, generally consisting of the spatial region between permanent magnets (producing attractive or repulsive interactions), or the spatial region enclosed by permanent magnets and magnetizers (producing attractive interactions), or the spatial region enclosed by magnetizers (yoke irons) magnetized by permanent magnets, or a group of spatial regions where magnetic interactions occur inside permanent magnets (the magnetic permeability of the hard magnetic material constituting the permanent magnet is close to that of air);

[0046] Several types of magnetic domains:

[0047] 1) The space between the permanent magnets is filled with medium (air, with a relative magnetic permeability slightly greater than 1)

[0048] If the above medium is replaced with paramagnetic material, diamagnetic material or ferromagnetic material with relative magnetic permeability less than 1000, it is all right. For example:

[0049] a. Paramagnetic materials: The relative magnetic permeability is slightly greater than 1. For example, air, oxygen, tin, aluminum, lead and other materials are all paramagnetic materials. When paramagnetic materials are placed in a magnetic field, the magnetic induction intensity B increases slightly.

[0050] b. Diamagnetic materials: The relative magnetic permeability is slightly less than 1. Materials such as hydrogen, copper, graphite, silver, and zinc are all diamagnetic materials, also called antimagnetic materials. When diamagnetic materials are placed in a magnetic field, the magnetic induction intensity B decreases slightly.

[0051] c. Ferromagnetic materials: relative magnetic permeability is much greater than 1 but less than 1000. For example, iron, steel, cast iron, nickel, cobalt and other materials are all ferromagnetic materials. The relative magnetic permeability is less than 1000, such as cobalt, unannealed cast iron, annealed cast iron, etc. Or magnetic fluid, the relative magnetic permeability is less than 10.

[0052] like Fig.60 As shown, permanent magnet 1 and permanent magnet 2 are surrounded by air. The permanent magnets attract each other.

[0053] Magnetic domain D1: The space region enclosed by the air medium between permanent magnet 1 and permanent magnet 2.

[0054] Magnetic domain D2: a space region enclosed by part of the permanent magnet 2 and part of the air medium surrounding the permanent magnet 2.

[0055] Magnetic domain D3: The space region surrounded by the entire permanent magnet 1 and the air medium near the permanent magnet 1.

[0056] Magnetic domain D4: The space region surrounded by all permanent magnets 1 and 2, and the air medium surrounding permanent magnets 1 and 2.

[0057] Magnetic domain D5: The space region enclosed by the air medium on the side of permanent magnet 2 away from permanent magnet 1.

[0058] Magnetic domain D6: a spatial region enclosed by the permanent magnetic material medium that surrounds part of the permanent magnet 1.

[0059] like Fig.61 As shown, permanent magnet 1 and permanent magnet 2 are surrounded by air. The permanent magnets attract each other. D1-D6 can be defined in the same way.

[0060] 2) The space between the permanent magnet and the magnetic conductor is filled with medium (air, with a relative magnetic permeability close to 1)

[0061] 3) If Figure 62-63 As shown, the space between the magnetic conductors is filled with medium (air, with a relative magnetic permeability close to 1)

[0062] Magnetic domain D1: The space region enclosed by the air medium between magnetic conductors 1 and 2.

[0063] Magnetic domain D2: The space region surrounded by part of the permanent magnet, part of the magnetic conductor 2, and the surrounding air medium.

[0064] Magnetic domain D3: The space area surrounded by the entire conductive magnet 1, part of the permanent magnet, and the air medium near the conductive magnet 1.

[0065] Magnetic domain D4: The space region enclosed by all the magnetizers 1 and 2, the permanent magnets and the nearby air medium surrounding them.

[0066] Magnetic domain D5: The space region enclosed by the air medium on the side of the conductor 2 away from the magnetic conductor 1.

[0067] Magnetic domain D6: The spatial region enclosed by the permanent magnetic material medium that surrounds part of the permanent magnet.

[0068] 4) If Fig.64 As shown, the space between the magnet and the magnet is filled with medium (magnetorheological fluid, relative magnetic permeability between 5-9)

[0069] 5) The space inside the permanent magnet is filled with medium (permanent magnetic material, relative magnetic permeability <1000)

[0070] like Fig.65 As shown, the magnetic domain D6 in the previous example. The interior is a permanent magnetic material as a medium, such as sintered ferrite, samarium cobalt and neodymium iron boron, the magnetic permeability is about 1.05, the bonded ferrite is also about 1.05, and the bonded neodymium magnet has a magnetic permeability range of about 1.1 to 1.7.

[0071] There are two types of magnetic force domains. The first type of magnetic domain is the magnetic force domain enclosed by the inside of the movable component or the inside of the stator component. The second type is the magnetic force domain enclosed between the movable component and the stator component. We are more interested in the second type of magnetic force domain. Therefore, through the analysis of the second type of magnetic force domain, we can get the force analysis of the movable component, and thus get the resultant force of the movable component of the oscillator system, and further give its vibration equation.

[0072] Example 1

[0073] Please refer to Figure 1-8 , the design method of the moving-iron and moving-coil magnetic hybrid vibrator with nonlinear terms offsetting includes the following conditions:

[0074] (1): A vibrator body 11 is provided, wherein the vibrator body 11 includes an outer tube 5, a first vibration transmission plate 1 and a second vibration transmission plate 2, a first movable subassembly 3 and a second movable subassembly 4, wherein the first movable subassembly 3 includes a magnet combination structure, and the second movable subassembly 4 includes a coil combination structure. The first movable subassembly 3 is arranged in the outer tube 5, and the second movable subassembly 4 is arranged in the outer tube 5 and is located on the outside or inside of the first movable subassembly 3. The first movable subassembly 3 is fixedly connected to the first vibration transmission plate 1 through at least one position, and the second movable subassembly 4 is fixedly connected to the second vibration transmission plate 2 through at least one position;

[0075] (2): The first mover assembly 3 and the second mover assembly 4 are respectively and simultaneously subjected to electromagnetic forces of thrust and pull in pairs, presenting a push-pull structural feature.

[0076] (3): The number of permanent magnets and coils is limited. The number of permanent magnets is two, M and 1 and M 2 The number of coils is two, namely C 1 ;

[0077] There are four magnetic domains inside the vibrator body 11, which are combined in pairs and are defined as magnetic domains D 1,1 , D 2,1 , D 1,2 , D 2,2 , coil C 1 The closed curve of the main magnetic field lines and the permanent magnet M 1 and M 2 The closed curves of the main magnetic field lines pass through the magnetic field D 1,1 , D 2,1 , D 1,2 , D 2,2 , and in the magnetic domain D 1,1 In the coil C 1 The direction of magnetic field lines and permanent magnet M 1 The magnetic field lines have the same direction, and in the magnetic domain D 2,1 In the coil C 1 The direction of magnetic field lines and M 2 The magnetic field lines are in opposite directions;

[0078] When the coil C passes through a magnetic field 1 The direction of magnetic field lines and permanent magnet M 1 When the magnetic lines of force are in the same direction, the total magnetic flux is equal to the coil C 1 Generates magnetic flux and permanent magnet M 1 The sum of the magnetic flux generated; when the coil C passes through a magnetic field 1 When the direction of the magnetic lines of force of the permanent magnet M2 is opposite to the direction of the magnetic lines of force of the permanent magnet M2, the total magnetic flux is equal to the coil C 1 Generates magnetic flux and M 2 Produces a difference in magnetic flux;

[0079] The first moving subassembly 3 and the second moving subassembly 4 are subjected to four forces F 1,1 and F 2,1 , F 1,2 and F 2,2 ; Each force component F 1,j and F 2,j Both contain two parts, one is the linear term of the excitation current i, and the other is the nonlinear term of the excitation current i:

[0080] For the first mover assembly 3, F 第一动子组件,linear =K*i;

[0081] F 第一动子组件,nonlinear =F 1,nonlinear +F 2,nonlinear =0+0=0;

[0082] For the second moving subassembly 4, according to the action force being equal to the reaction force, we have:

[0083] F 第二动子组件,linear =K*i=-K*i;

[0084] F 第二动子组件,nonlinear =F 1,nonlinear +F 2,nonlinear =0+0=0

[0085] Among them, K is a function of the design parameters of the oscillator itself;

[0086]

[0087] Among them, S D1,2 , S D2,2 The magnetic domains D 1,2 and D 2,2 The area of ​​the corresponding annular end surface;

[0088] F: electromagnetic attraction;

[0089] B: Magnetic flux density or magnetic induction intensity;

[0090] The magnetic flux passing through the medium;

[0091] S: the area where magnetic lines of force pass through the magnetic poles;

[0092] μ 0 : Air magnetic permeability;

[0093] G i : The magnetic permeability of the magnetic circuit formed by the electromagnetic field generated by the current;

[0094] N: number of coil turns;

[0095] C y2y : The force between the magnet (yoke) and the magnet (yoke).

[0096] That is, the nonlinear terms in the components of the first movable subassembly 3 and the second movable subassembly 4 cancel each other out to zero, so, F 第二动子组件,nonlinear and F 第一动子组件,nonlinear=0, that is, the resultant force and the excitation current of the first mover assembly 3 and the second mover assembly 4 have only linear terms, so they are always in a linear relationship, and the nonlinear terms are obtained to offset the hybrid vibrator of the moving iron and moving magnetic coil.

[0097] Among them, the first mover assembly 3 and the second mover assembly 4 move independently; when the first magnetic conductor is used in the magnet combination structure, the magnetic resistance is small and the vibration effect is better; when the first non-magnetic conductor is used, the magnetic resistance is large and the vibration effect is weaker, but it can also be applied to some scenes. Similarly, when the coil combination structure uses the second magnetic conductor, the magnetic resistance is small and the vibration effect is better, and when the second non-magnetic conductor is used, the magnetic resistance is large and the vibration effect is weaker, but it can also be applied to some scenes.

[0098] Among them, the first vibration transmitting plate 1 and the second vibration transmitting plate 2 can be rectangular, circular, runway-shaped or three-dimensional structures according to different application scenarios. The first vibration transmitting plate 1 and the second vibration transmitting plate 2 can also use a double spring vibration transmitting plate device, which can be used in combination according to different application scenarios; the first vibration transmitting plate 1 and the second vibration transmitting plate 2 are usually fixed on the top surface or bottom surface of the outer tube 5.

[0099] The first stator assembly is fixed in the outer cylinder 5, and the second stator assembly is arranged outside the first stator assembly;

[0100] The first movable subassembly 3 is fixedly connected to the first vibration transmission plate 1 via at least one site, which includes point contact and surface contact, and may be one site, two sites, or multiple sites.

[0101] The second mover assembly 4 is fixedly connected to the second vibration transmission plate 2 via at least one site, which includes point contact and surface contact, and may be one site, two sites, or multiple sites.

[0102] If multiple permanent magnets are arranged symmetrically, the corresponding sizes and magnetic parameters of the symmetrical permanent magnets are the same;

[0103] If multiple coils are arranged symmetrically, the sizes and current values ​​of the symmetrical coils are the same.

[0104] One of the situations also includes the following conditions:

[0105] (3.1): Looking outward from the center, the permanent magnet is outside and the coil is inside;

[0106] (3.2):(N 磁 ,N 圈 )=(j,j+1)*n;j=1,2,3…;n is a natural number, n=1,2,3…;

[0107] (3.4): When N 磁>1, the polarities of the two end faces adjacent to the permanent magnet are the same; when N 圈 When >1, the directions of the currents in adjacent coils are opposite, and the polarities of the electromagnetic fields of the two adjacent end faces of the two adjacent coils are the same;

[0108] (3.4): If multiple permanent magnets are arranged symmetrically, the corresponding sizes and magnetic parameters of the symmetrical permanent magnets are the same;

[0109] (3.5): If multiple coils are arranged symmetrically, the size and current value of the symmetrical coils are the same.

[0110] Another situation also includes the following conditions:

[0111] (3.1): Looking outward from the center, the permanent magnet is outside and the coil is inside;

[0112] (3.2):(N 磁 ,N 圈 )=(j+1,j)*n;j=1,2,3…;n is a natural number, n=1,2,3…;

[0113] (3.3): When N 磁 >1, the polarities of the two end faces adjacent to the permanent magnet are the same; when N 圈 >1, the directions of the currents in adjacent coils are opposite, and the two adjacent coils,

[0114] The polarity of the electromagnetic fields of the two adjacent end faces is the same;

[0115] (3.4): If multiple permanent magnets are arranged symmetrically, the corresponding sizes and magnetic parameters of the symmetrical permanent magnets are the same;

[0116] (3.5): If multiple coils are arranged symmetrically, the size and current value of the symmetrical coils are the same.

[0117] Example 2

[0118] Please refer to Figure 1-8 as well as Fig.28The nonlinear term-offsetting moving-iron moving-coil hybrid vibrator of the design method of Example 1 comprises a vibrator body 11, wherein the vibrator body 11 comprises a first vibration-transmitting plate 1 and a second vibration-transmitting plate 2, a first movable subassembly 3 and a second movable subassembly 4, wherein the first movable subassembly 3 comprises an iron core 31 combination structure, and the second movable subassembly 4 comprises a coil-magnet combination structure, the first movable subassembly 3 is arranged in an outer cylinder 5, and the second movable subassembly 4 is arranged in the outer cylinder 5 and is located outside the first movable subassembly 3, the first movable subassembly 3 is fixedly connected to the first vibration-transmitting plate 1 by at least one position, the second movable subassembly 4 is fixedly connected to the second vibration-transmitting plate 2 by at least one position, and the first vibration-transmitting plate 1 is fixedly connected to the second vibration-transmitting plate 2 by at least one position. The first double spring vibration transmitting piece device comprises a first vertical portion 1a and a first bent portion 1b extending along the outer periphery of the plane where the first vertical portion 1a is located and tilted toward the inner wall of the outer cylinder 5; the second vibration transmitting piece 2 is a first double spring vibration transmitting piece device, the second double spring vibration transmitting piece device comprises a second vertical portion 2a and a second bent portion 2b extending along the outer periphery of the plane where the second vertical portion 2a is located and tilted toward the inner wall of the outer cylinder 5; the iron core 31 combination structure comprises an iron core 31 and a first magnetic conductor or a first non-magnetic conductor 32; the coil magnet combination structure comprises a permanent magnet, a coil and a second magnetic conductor or a second non-magnetic conductor 41; and the coil C is viewed from the center outward. 1 The first mover assembly 3 and the second mover assembly 4 are respectively and simultaneously subjected to electromagnetic forces of thrust and pull in pairs, presenting a push-pull structural feature.

[0119] There are two permanent magnets, M 1 and M 2 , adjacent to the permanent magnet M 1 and M 2 The polarities of the two opposite end faces are the same, the coil is one, the first double spring vibration transmission piece device is fixed on the top surface of the outer cylinder 5, the second double spring vibration transmission piece device is fixed on the bottom surface of the outer cylinder 5, the two ends of the iron core 31 are respectively fixed on the first vertical part 1a of the first double spring vibration transmission piece device and the second vertical part 2a of the second double spring vibration transmission piece device, the first magnetic conductor or the first non-magnetic conductor 32 is fixed on the iron core 31, the inner side of the outer cylinder 5 is provided with an inner cylinder 6, the second magnetic conductor or the second non-magnetic conductor 41 is fixed on the middle part of the inner wall of the inner cylinder 6, and the two permanent magnets M 1 and M 2 The coil C is fixed on both sides of the second magnetic conductive body or the second non-magnetic conductive body 41. The second magnetic conductive body or the second non-magnetic conductive body 41 is fixed with the coil C 1 , the two permanent magnets M 1 and M 2The second magnetic conductive ring 42 is fixedly arranged on the outer side of the first double spring vibration transmission piece device, and the two second magnetic conductive rings 42 are respectively on the first bending portion 1b of the first double spring vibration transmission piece device and the second bending portion 2b of the second double spring vibration transmission piece device. The first movable subassembly 3 and the second movable subassembly 4 are arranged in a staggered manner with concave and convex shapes. The coil C 1 The closed curve of the main magnetic field lines and the permanent magnet M 1 and M 2 The closed curve of the main magnetic force lines alternately passes through the first mover assembly 3 and the second mover assembly 4 respectively. There are four magnetic domains inside the vibrator body 11, and the magnetic domains are combined in pairs, which are defined as magnetic domains D 1,1 , D 2,1 , D 1,2 , D 2,2 , the coil C 1 The closed curve of the main magnetic field lines and the permanent magnet M 1 and M 2 The closed curves of the main magnetic field lines pass through the magnetic field D 1,1 , D 2,1 , D 1,2 , D 2,2 , and in the magnetic domain D 1,1 In the coil C 1 The direction of the magnetic lines of force and the permanent magnet M 1 and M 2 The magnetic field lines have the same direction, and in the magnetic domain D 2,1 In the coil C 1 The direction of the magnetic lines of force and the permanent magnet M 1 and M 2 The magnetic field lines are in opposite directions.

[0120] The outer cylinder 5 can be a magnetic outer cylinder 5 or a non-magnetic outer cylinder 5. In order to reduce the magnetic resistance, a magnetic outer cylinder 5 is preferred; the cross-section of the outer cylinder 5 can be circular, square, or special-shaped, and can be continuous or discontinuous, such as a columnar connection or a grid-like discontinuity.

[0121] To further illustrate the design method of the moving-iron and moving-coil hybrid vibrator for nonlinear offset, please refer to the attached Figure 4 The four annular air gaps arranged in sequence along the axial direction and indicated by dense dots in the figure are the space areas enclosed by the first mover assembly 3 and the second mover assembly 4. In these areas, the coil C 1 The magnetic lines of force formed and the permanent magnet M 1 and M 2 The magnetic lines of force formed pass through the annular air gaps. On both sides of the annular air gaps along the Z axis are yokes of different shapes. According to the principles of electromagnetism, the yokes on both sides of the air gaps through which the magnetic lines of force pass will generate electromagnetic forces that attract each other. Therefore, the area where these magnetic forces act is called the magnetic action area.

[0122] Please refer to the attached Figure 2 , there are 4 air gaps in the figure, each of which constitutes a magnetic field D 1,1 , D 2,1 , D 1,2 , D 2,2 In the magnetic field, the permanent magnet M 1 and M 2 The total magnetic flux / magnetic induction intensity generated by the superposition of the magnetic field generated by the coil C1 electromagnet causes the components around the magnetic domain to generate an interaction force. 1,1 , D 2,1 , D 1,2 , D 2,2 They are all surrounded by stator assemblies and mover assemblies. Therefore, in these magnetic domains, interacting component forces are generated between the first mover assembly 3 and the second mover assembly 4.

[0123] Through coil C 1 The current is i, and the corresponding magnetic flux is Φ i . Permanent magnet M 1 , M 2 The corresponding magnetic fluxes are Φ M1 and Φ M2 .

[0124] Magnetic domain D 1,1 , D 2,1 , D 1,2 , D 2,2 The magnetic domains can be paired in pairs according to the symmetry. j =(D 1,j ,D 2,j ), j = 1, 2; including magnetic domain pair D 1 =(D 1,1 ,D 2,1 ), and the magnetic domain pair D 2 =(D 1,2 ,D 2,2 ).

[0125] 1) Magnetic domain pair D j =(D 1,j ,D 2,j ), j = 1, that is, the magnetic domain is D 1 =(D 1,1 ,D 2,1 ) of the magnetic flux

[0126] In the magnetic domain D 1,1 In the coil C 1 The corresponding magnetic field lines and permanent magnet M 1 and M 2 The corresponding magnetic lines of force are in opposite directions, so in the magnetic domain D 1,1The total magnetic flux is Φ i1 and Φ M1 =Φ m In the magnetic domain D 2,1 In the coil C 1 The corresponding magnetic field lines and permanent magnet M 1 and M 2 The corresponding magnetic lines of force have the same direction, so in the magnetic domain D 2,1 The total magnetic flux is Φ i2 and Φ M1 =Φ m 's added value.

[0127] Assume that coil C 1 The corresponding magnetic flux is Φ i , and magnet M 1 and M 2 The same is true for the magnetic flux, Φ M1 =Φ M2 =Φ m . In addition, it is assumed that the magnet M 1 The direction of the magnetic force lines is positive, and the magnetic flux is also positive, then

[0128] Φ D1,1 =Φ M1 -Φ i =Φ m -Φ i

[0129] Φ D2,1 =-Φ M2 -Φ i =-(Φ m +Φ i )

[0130] 2) Magnetic domain pair D j =(D 1,j ,D 2,j ), when i = 2, that is, the magnetic domain pair (D 1,2 ,D 2,2 ) of the magnetic flux

[0131] In the magnetic domain D 1,2 In the case of magnet M 1 The corresponding magnetic lines of force pass through, so the total magnetic flux is only Φ M1 =Φ m In the magnetic domain D 2,2 In the case of magnet M 2 The corresponding magnetic lines of force pass through, so the total magnetic flux is only Φ M2 =Φ m .

[0132] Assume that the coil C 1 The magnetic resistance of the magnetic circuit formed by the electromagnetic field generated by the current i is Zi , N is coil C 1 The number of turns in the coil, i is the current intensity, then:

[0133]

[0134] Assume that the magnetic permeance of the magnetic circuit formed by the electromagnetic field generated by the current is G i , then:

[0135]

[0136] Permanent magnet M 1 and M 2 The corresponding magnetic flux can also be expressed by the formula of magnetic induction intensity. Assuming that the permanent magnet M 1 and M 2 The magnetic induction intensity of the magnetic pole end is B m The area of ​​the magnetic pole end faces is S m . You can get,

[0137] Thus there is

[0138]

[0139]

[0140] Please refer to the attached Figure 3 , coil C 1 The closed curve of magnetic field lines and the magnet M 1 and magnet M 2 The magnetic field lines are drawn as a closed curve. 1 The generated closed magnetic lines of force pass through the magnetic gap D 1，1 , D 2，1 , and the magnet M 1 The generated closed magnetic lines of force pass through the magnetic gap D in sequence. 1，1 , D 1，2 , magnet M 2 The generated closed magnetic lines of force pass through the magnetic gap D in sequence. 2,1 , D 2,2 .

[0141] Attached Figure 5 is a schematic diagram of a vibrator subsystem composed of a first movable subassembly 3 and spring sheets in the first vibration transmission sheet 1 and the second vibration transmission sheet 2. At the same time, the first movable subassembly 3 and the magnetic domain D 1,1 , D 2,1 , D 1,2 , D 2,2 The positional relationship and the force analysis of the first mover assembly 3 are also shown. 1,1 The first moving subassembly 3 is subjected to the rightward suction force F from the second moving subassembly 4.1,1 , in the magnetic domain D 2,1 The first moving subassembly 3 is subjected to the leftward suction force F from the second moving subassembly 4. 2,1 , in the magnetic domain D 1,2 The first moving subassembly 3 is subjected to the leftward suction force F from the second moving subassembly 4. 1,2 , in the magnetic domain D 2,2 The first moving subassembly 3 is subjected to the rightward suction force F from the second moving subassembly 4. 2,2 .

[0142] Assuming that the magnetic domain pair D j =(D 1,j ,D 2,j ) The corresponding resultant force is F j (The positive and negative directions represent different directions of force). Taking the right direction as the positive direction, the resultant force of the first movable subassembly 3 on the second movable subassembly 4 is

[0143] F 第一动子组件 =F 1 +F 2 =F 1,1 -F 2,1 -F 1,2 +F 2,2

[0144] F 第一动子组件 =F 1 +F 2＝ (F 1,1 -F 2,1 )+(-F 1,2 +F 2,2 )

[0145] where F j is the corresponding magnetic domain pair D j =(D 1,j ,D 2,j )’s combined force.

[0146] Attached Figure 6 is a schematic diagram of a vibrator subsystem composed of a second movable subassembly 4 and a spring sheet 2 in the first vibration transmission sheet 1 and the second vibration transmission sheet 2. At the same time, the second movable subassembly 4 and the magnetic domain D 1,1 , D 2,1 , D 1,2 , D 2,2 The positional relationship and the force analysis of the second mover assembly 4 are also shown in the figure. 1,1 The second moving subassembly 4 is subjected to the leftward suction force F from the first moving subassembly 3. 1,1 , in the magnetic domain D 2,1 The second moving subassembly 4 is subjected to the rightward suction force F from the first moving subassembly 3. 2,1 , in the magnetic domain D 1,2The second moving subassembly 4 is subjected to the rightward suction force F from the first moving subassembly 3. 1,2 , in the magnetic domain D 2,2 The second moving subassembly 4 is subjected to the leftward suction force F from the first moving subassembly 3. 2,2 .

[0147] Assuming that the magnetic domain pair D j =(D 1,j ,D 2,j ) The corresponding resultant force is F j (The positive and negative values ​​represent different directions of the force). Taking the right direction as the positive direction, the resultant force of the first mover assembly 3 on the second mover assembly 4 is:

[0148] F 第二动子组件 =-F 1 -F 2 =(-F 1,1 +F 2,1 )+(F 1,2 -F 2,2 )

[0149] The above can also be expressed as follows: the direction of the force is reflected in the sign of the component force, as follows:

[0150]

[0151] Similarly, the forces of each component on the second moving subassembly 4 are -F 1,j and -F 2,j , and its resultant force ∑-F 1,j and ∑-F 2,j The vibrator assembly 2 also forms a push-pull force structure.

[0152] We divide each force into two pairs of magnetic domains, corresponding to different magnetic domain pairs D j The resultant force of the component forces, for example, for the first moving subassembly 3, there is F 1 =F 1,1 -F 2,1 , and F 2 =-F 1,2 +F 2,2 , the total resultant force can be further calculated.

[0153] The formula for the electromagnetic force generated by each magnetic domain is further derived. The magnitude of the electromagnetic attraction acting on a magnetized ferromagnetic object is proportional to the total area of ​​the magnetic field lines passing through the magnetic poles and the square of the magnetic induction intensity. If the magnetic induction intensity B is uniformly distributed along the surface of the magnetic poles and the calculated air gap length is small, the formula for calculating the electromagnetic attraction is calculated by Maxwell's formula, which is expressed as:

[0154]

[0155] F: Electromagnetic suction

[0156] B: Magnetic flux density or magnetic induction intensity

[0157] Magnetic flux through the medium

[0158] S: The area where magnetic lines of force pass through the magnetic poles

[0159] μ 0 : Air magnetic permeability

[0160] C: The correlation coefficient between the magnetic pole face combination type and shape. It has different values ​​for different scenarios. If it is the force generated between permanent magnets, it is recorded as C m2m , usually takes a value of 1, and the accurate value is obtained through actual measurement during the actual design process; if the force between the permanent magnet and the conductive magnet (yoke iron), then C m2y , usually taken as 1 / 2, and the accurate value is obtained through actual measurement during the actual design process; if it is the force between the magnet (yoke) and the magnet (yoke), it is recorded as C y2y , usually taken as 1 / 4, and the accurate value is obtained through actual measurement during the actual design process.

[0161] 1) F j, The calculation of j = 1 corresponds to the magnetic domain pair D j =(D 1,j ,D 2,j ), j = 1

[0162] Corresponding magnetic domain pair D 1 =(D 1,1 ,D 2,1 ) is the resultant force F of the component forces 1 =F 1,1 -F 2,1 The above formula is used to calculate the magnetic domain D 11 and magnetic domain D 21 The electromagnetic attraction in is:

[0163]

[0164] Among them, S D1,1 , S D2,1 The magnetic domains D 1,1 and D 2,1 The area of ​​the corresponding annular end surface, and S D1,1 =S D2,1 =S D . Thus we have:

[0165]

[0166]

[0167] Among them are:

[0168]

[0169]

[0170] because

[0171] F 1 =F 1,1 -F 2,1

[0172] Then there is

[0173] F 1 =F 1,linear +F 1,nonlinear

[0174]

[0175] F 1,1,linear , F 2,1,linear , F 1,1,nonlinear , F 1,1,nonlinear Substitute into F 1,linear and F 1,nonlinear , the calculation is:

[0176]

[0177] because

[0178]

[0179]

[0180] Thus:

[0181]

[0182] Similarly, calculate F 1,nonlinear ,

[0183]

[0184] Thus D 1 =(D 1,1 ,D 2,1 ) is:

[0185]

[0186] 2) F j, The calculation of j = 2 corresponds to the magnetic domain pair D j =(D 1,j ,D2,j ), j = 2

[0187] Corresponding magnetic domain pair D 2 =(D 1,2 ,D 2,2 ) is the resultant force F of the component forces 2 =-F 1,2 +F 2,2 Calculate the magnetic domain D above 12 and magnetic domain D 12 The electromagnetic attraction in is:

[0188]

[0189] Among them, S D1,2 , S D2,2 The magnetic domains D 1,2 and D 2,2 The area of ​​the corresponding annular end surface, and S D1,2 =S D2,2 =S D , thus:

[0190]

[0191] Thus there is

[0192]

[0193] Can get

[0194]

[0195] Because the resultant force on the first moving subassembly 3

[0196] F 第一动子组件 =F 1 +F 2

[0197] F 第一动子组件 =F 第一动子组件,linear +F 第一动子组件,nonlinear

[0198] all:

[0199]

[0200] F 第一动子组件,nonlinear =F 1,nonlinear +F 2,nonlinear =0+0=0

[0201] For the second moving subassembly 4, according to the action force being equal to the reaction force, we have:

[0202]

[0203] F第二动子组件,nonlinear =-F 第一动子组件,nonlinear =0

[0204] Although the first mover assembly 3 and the second mover assembly 4 are subjected to the same force but in opposite directions, the oscillator subsystems of the first mover assembly 3 and the second mover assembly 4 are different. The first mover assembly 3 corresponds to the spring 1 in the double spring leaf, and the second mover assembly 4 corresponds to the spring 2 in the double spring leaf. In addition, the vibration masses of the first mover assembly 3 and the second mover assembly 4 are also different, so the mechanical vibration systems and vibration equations of the first mover assembly 3 and the second mover assembly 4 are different.

[0205] From the above derivation process, we can see the following characteristics:

[0206] 1) In the linear term of the resultant force F 动子组件,linear In the middle, the force F 1,linear and F 2,linear The linear terms of each are superimposed, so that the resultant linear term F 动子组件,linear The current of coil C1 is still linearly related.

[0207] 2) In the nonlinear term of the resultant force F 动子组件,nonlinear In the middle, the force F 1,nonlinear and F 2,nonlinear The respective nonlinear terms cancel each other out, so the resultant nonlinear term F 动子组件,nonlinear is zero.

[0208] Example 3

[0209] Please refer to the attached Figure 9-14 , a nonlinear term-cancelling moving-iron moving-coil magnetic hybrid vibrator device, adopts the nonlinear term-cancelling moving-iron moving-coil magnetic hybrid vibrator design method described in Example 1, including a vibrator body 11, the vibrator body 11 includes a first vibration transmission plate 1 and a second vibration transmission plate 2, a first movable subassembly 3 and a second movable subassembly 4, the first movable subassembly 3 includes an iron core 31 combination structure, the second movable subassembly 4 includes a coil magnet combination structure, the first movable subassembly 3 is arranged in an outer cylinder 5, the second movable subassembly 4 is arranged in the outer cylinder 5 and is located outside the first movable subassembly 3, the first movable subassembly 3 is fixedly connected to the first vibration transmission plate 1 through at least one position, the second movable subassembly 4 is fixedly connected to the second vibration transmission plate 2 through at least one position, the iron core 31 combination structure includes an iron core 31 and a first magnetic conductor or a first non-magnetic conductor 32, the coil magnet combination structure includes a coil, a permanent magnet and a second magnetic conductor or a second non-magnetic conductor 41, and the coil C is viewed from the center outward. 1 Inside, the permanent magnet is outside, the first mover assembly 3 and the second mover assembly 4 are respectively subjected to electromagnetic forces of thrust and pull in pairs, presenting a push-pull structural feature;

[0210] There are two permanent magnets, namely adjacent permanent magnets M 1 and M 2 The polarities of the two opposite end faces are the same, and the coil C 1 The first vibration transmission plate 1 is fixed on the top surface of the outer cylinder 5, one end of the iron core 31 is fixed to the middle of the first vibration transmission plate 1, the other end of the iron core 31 is fixed with a first magnetic conductor or a first non-magnetic conductor 32, the inner side of the outer cylinder 5 is provided with an inner cylinder 6, the second magnetic conductor or the second non-magnetic conductor 41 is fixed to the middle of the inner wall of the inner cylinder 6, and the two permanent magnets M 1 and M 2 The coil C is fixed on both sides of the second magnetic conductor or the second non-magnetic conductor 41, and the second magnetic conductor or the second non-magnetic conductor 41 is fixed on the coil C. 1 , the two permanent magnets M 1 and M 2 The outer side is fixed with a magnetic conductive ring, the second vibration transmitting plate 2 is fixed on the bottom surface of the outer cylinder 5, the inner cylinder 6 is fixedly connected to the second vibration transmitting plate 2 through the vibration transmitting bracket 7, the first movable subassembly 3 and the second movable subassembly 4 are arranged in a concave-convex staggered bite shape, and the coil C 1 The closed curve of the main magnetic field lines and the permanent magnet M 1 and M 2 The closed curve of the main magnetic force lines alternately passes through the first mover assembly 3 and the second mover assembly 4 respectively. There are 2N magnetic domains inside the vibrator body 11. The magnetic domains are combined in pairs and are defined as magnetic domains D 1,i and D 2,i , where i = 1, 2, 3, ..., N, the coil C 1 The closed curve of the main magnetic field lines and the permanent magnet M 1 and M 2 The closed curves of the main magnetic field lines pass through the magnetic field D 1,i and D 2,i , and in the magnetic domain D 1,i In the coil C 1 The direction of the magnetic lines of force and the permanent magnet M 1 and M 2 The magnetic field lines have the same direction, and in the magnetic domain D 2,i In the coil C 1 The direction of the magnetic lines of force and the permanent magnet M 1 and M 2 The magnetic field lines are in opposite directions; in the magnetic domain D 1,i In the coil C 1 The direction of the magnetic lines of force and the permanent magnet M 1 and M 2 The magnetic field lines are in opposite directions, and in the magnetic domain D 2,i In the coil C1 The direction of the magnetic lines of force and the permanent magnet M 1 and M 2 The magnetic field lines are in the same direction.

[0211] Example 4

[0212] Please refer to the attached Figure 7-8 ,, 14-15, a nonlinear term-cancelling moving-iron moving-coil magnetic hybrid vibrator device, adopts the nonlinear term-cancelling moving-iron moving-coil magnetic hybrid vibrator design method described in claim 1, including a vibrator body 11, the vibrator body 11 includes a first vibration-transmitting plate 1 and a second vibration-transmitting plate 2, a first movable subassembly 3 and a second movable subassembly 4, the first movable subassembly 3 includes an iron core 31 combination structure, the second movable subassembly 4 includes a coil-magnet combination structure, the first movable subassembly 3 is arranged in an outer cylinder 5, the second movable subassembly 4 is arranged in the outer cylinder 5 and is located outside the first movable subassembly 3, the first movable subassembly 3 is fixedly connected to the first vibration-transmitting plate 1 through at least one position, the second movable subassembly 4 is fixedly connected to the second vibration-transmitting plate 2 through at least one position, the iron core 31 combination structure includes an iron core 31 and a first magnetic conductor or a first non-magnetic conductor 32, the coil-magnet combination structure includes a magnet, a coil and a second magnetic conductor or a second non-magnetic conductor 41, and when viewed from the center, the coil C 1 Inside, the permanent magnet is outside, the first mover assembly 3 and the second mover assembly 4 are respectively subjected to electromagnetic forces of thrust and pull in pairs, presenting a push-pull structural feature;

[0213] There are two permanent magnets, M 1 and M 2 , adjacent to the permanent magnet M 1 and M 2 The polarities of the two opposite end faces are the same, and the coil C 1 The first vibration transmission piece 1 is fixed on the bottom surface of the outer cylinder 5, one end of the iron core 31 is fixed to the middle of the first vibration transmission piece 1, the first magnetic conductor or the first non-magnetic conductor 32 is fixed to the iron core 31, the second vibration transmission piece 2 and the first vibration transmission piece 1 are an integral structure, and the second vibration transmission piece 2 extends obliquely from the outer periphery of the plane where the first vibration transmission piece 1 is located toward the inner wall of the outer cylinder 5, the outer cylinder 5 is provided with an inner cylinder 6, the second magnetic conductor or the second non-magnetic conductor 41 is fixed to the middle of the inner wall of the inner cylinder 6, and the two permanent magnets M 1 and M 2 The two permanent magnets M are respectively fixed on both sides of the second magnetic conductive body or the second non-magnetic conductive body 41. 1 A magnetic conductive ring is fixed on the outside of the coil C. 1The coil C is fixed on the second magnetic conductor or the second non-magnetic conductor 41, one of the magnetic conductor rings is fixed on the second vibration transmission plate 2, the first mover assembly 3 and the second mover assembly 4 are arranged in a staggered manner. 1 The closed curve of the main magnetic field lines and the permanent magnet M 1 The closed curve of the main magnetic force lines alternately passes through the first mover assembly 3 and the second mover assembly 4 respectively. There are 2N magnetic domains inside the vibrator body 11. The magnetic domains are combined in pairs and are defined as magnetic domains D 1,i and D 2,i , where i = 1, 2, 3, ..., N, the coil C 1 The closed curve of the main magnetic field lines and the permanent magnet M 1 and M 2 The closed curves of the main magnetic field lines pass through the magnetic field D 1,i and D 2,i , and in the magnetic domain D 1,i In the coil C 1 The direction of the magnetic lines of force and the permanent magnet M 1 The magnetic field lines have the same direction, and in the magnetic domain D 2,i In the coil C 1 The direction of the magnetic lines of force and the permanent magnet M 1 and M 2 The magnetic field lines are in opposite directions; in the magnetic domain D 1,i In the embodiment, the direction of the magnetic field lines of the coil C1 and the permanent magnet M 1 and M 2 The magnetic field lines are in opposite directions, and in the magnetic domain D 2,i In the coil C 1 The direction of the magnetic lines of force and the permanent magnet M 1 and M 2 The magnetic field lines are in the same direction.

[0214] Example 5

[0215] Please refer to Figure 7-9 , 16-21, the design method of the moving-iron and moving-coil magnetic hybrid vibrator with nonlinear term offset includes the following conditions:

[0216] (1): A vibrator body 11 is provided, wherein the vibrator body 11 includes an outer tube 5, a first vibration transmission plate 1 and a second vibration transmission plate 2, a first movable subassembly 3 and a second movable subassembly 4, wherein the first movable subassembly 3 includes a magnet combination structure, and the second movable subassembly 4 includes a coil combination structure. The first movable subassembly 3 is arranged in the outer tube 5, and the second movable subassembly 4 is arranged in the outer tube 5 and is located on the outside or inside of the first movable subassembly 3. The first movable subassembly 3 is fixedly connected to the first vibration transmission plate 1 through at least one position, and the second movable subassembly 4 is fixedly connected to the second vibration transmission plate 2 through at least one position;

[0217] (2): The first mover assembly 3 and the second mover assembly 4 are respectively and simultaneously subjected to electromagnetic forces of thrust and pull in pairs, presenting a push-pull structural feature.

[0218] (3): Then, the number of permanent magnets and coils is limited, and the permanent magnet M 1 The number of coils is one, and the number of coils is two, respectively C 1 and C 2 ;

[0219] There are four magnetic domains inside the vibrator body 11, which are combined in pairs and are defined as magnetic domains D 1,1 , D 2,1 , D 1,2 , D 2,2 , where i = 1; coil C 1 and C 2 The closed curve of the main magnetic field lines and the permanent magnet M 1 The closed curves of the main magnetic field lines pass through the magnetic field D 1,1 and D 2,1 , and in the magnetic domain D 1,1 In the coil C 1 The direction of the magnetic field lines of the permanent magnet M1 is the same as that of the magnetic field lines of the permanent magnet M1, and in the magnetic domain D 2,1 In the coil C 1 The direction of magnetic field lines and permanent magnet M 2 The magnetic field lines are in opposite directions;

[0220] When the coil C passes through a magnetic field 1 The direction of magnetic field lines and permanent magnet M 1 When the magnetic lines of force are in the same direction, the total magnetic flux is equal to the coil C 1 Generates magnetic flux and permanent magnet M 1 The sum of the magnetic flux generated; when the coil C passes through a magnetic field 2 The direction of magnetic field lines and permanent magnet M 1 When the magnetic lines of force are in opposite directions, the total magnetic flux is equal to the coil C 2 Generates magnetic flux and permanent magnet M 1 Produces a difference in magnetic flux;

[0221] The first moving subassembly 3 and the second moving subassembly 4 are subjected to two forces F 1,j and F 2,j , j=1,2,3,…,N,N<100; each component force F 1,j and F 2,j Both contain two parts, one is the linear term of the excitation current i, and the other is the nonlinear term of the excitation current i:

[0222] For the first mover assembly 3, F第一动子组件,linear =K*i;

[0223] F 第一动子组件,nonlinear =F 1,nonlinear +F 2,nonlinear =0+0=0; for the second moving subassembly 4, according to the action force being equal to the reaction force:

[0224] F 第二动子组件,linear =K*i=-K*i;

[0225] F 第二动子组件,nonlinear =F 1,nonlinear +F 2,nonlinear =0+0=0, where K is a function of the design parameters of the oscillator itself;

[0226]

[0227] Among them, S D1,2 , S D2,2 The magnetic domains D 1,2 and D 2,2 The area of ​​the corresponding annular end surface;

[0228] F: electromagnetic attraction;

[0229] B: Magnetic flux density or magnetic induction intensity;

[0230] The magnetic flux passing through the medium;

[0231] S: area where magnetic lines of force pass through the magnetic poles;

[0232] μ 0 : Air magnetic permeability;

[0233] G i : The magnetic permeability of the magnetic circuit formed by the electromagnetic field generated by the current;

[0234] N: number of turns of coil C1;

[0235] C y2y : The force between the magnet (yoke) and the magnet (yoke).

[0236] That is, the nonlinear terms in the components of the first movable subassembly 3 and the second movable subassembly 4 cancel each other out to zero, so, F 第二动子组件,nonlinear and F 第一动子组件,nonlinear =0, that is, the resultant force and the excitation current of the first mover assembly 3 and the second mover assembly 4 have only linear terms, so they are always in a linear relationship, and the nonlinear terms are obtained to offset the hybrid vibrator of the moving iron and moving magnetic coil.

[0237] Among them, the first mover assembly 3 and the second mover assembly 4 move independently; when the first magnetic conductor is used in the magnet combination structure, the magnetic resistance is small and the vibration effect is better; when the first non-magnetic conductor is used, the magnetic resistance is large and the vibration effect is weaker, but it can also be applied to some scenes. Similarly, when the coil combination structure uses the second magnetic conductor, the magnetic resistance is small and the vibration effect is better, and when the second non-magnetic conductor is used, the magnetic resistance is large and the vibration effect is weaker, but it can also be applied to some scenes.

[0238] Among them, the first vibration transmitting plate 1 and the second vibration transmitting plate 2 can be rectangular, circular, runway-shaped or three-dimensional structures according to different application scenarios. The first vibration transmitting plate 1 and the second vibration transmitting plate 2 can also use a double spring vibration transmitting plate device, which can be used in combination according to different application scenarios; the first vibration transmitting plate 1 and the second vibration transmitting plate 2 are usually fixed on the top surface or bottom surface of the outer tube 5.

[0239] The first stator assembly is fixed in the outer cylinder 5, and the second stator assembly is arranged outside the first stator assembly;

[0240] The first movable subassembly 3 is fixedly connected to the first vibration transmission plate 1 via at least one site, which includes point contact and surface contact, and may be one site, two sites, or multiple sites.

[0241] The second mover assembly 4 is fixedly connected to the second vibration transmission plate 2 via at least one site, which includes point contact and surface contact, and may be one site, two sites, or multiple sites.

[0242] Example 6

[0243] Please refer to Figure 7-9, 16-21, a magnetic hybrid vibrator device for canceling a moving iron and a moving coil with nonlinear terms, adopts the design method of a magnetic hybrid vibrator for canceling a moving iron and a moving coil with nonlinear terms described in Example 5, including a vibrator body 11, the vibrator body 11 includes a first vibration transmitting plate 1 and a second vibration transmitting plate 2, a first movable subassembly 3 and a second movable subassembly 4, the first movable subassembly 3 includes a core 31 combination structure, the second movable subassembly 4 includes a coil magnet combination structure, the first movable subassembly 3 is arranged in an outer cylinder 5, the second movable subassembly 4 is arranged in the outer cylinder 5 and is located outside the first movable subassembly 3, the first movable subassembly 3 is fixedly connected to the first vibration transmitting plate 1 through at least one position, the second movable subassembly 4 is fixedly connected to the second vibration transmitting plate 2 through at least one position, the first vibration transmitting plate 1 is a first double spring vibration transmitting plate device, the first double spring vibration transmitting plate device includes a first vertical portion 1a and a vertical portion 1a along the first vertical portion 1 a is located at a plane where the first bending portion 1b extends obliquely toward the inner wall of the outer cylinder 5; the second vibration transmitting plate 2 is a second double spring vibration transmitting plate device, the second double spring vibration transmitting plate device includes a second vertical portion 2a and a second bending portion 2b extending obliquely toward the inner wall of the outer cylinder 5 along the outer periphery of the plane where the second vertical portion 2a is located, the first double spring vibration transmitting plate device is fixed on the top surface of the outer cylinder 5, and the second double spring vibration transmitting plate device is fixed on the bottom surface of the outer cylinder 5. The iron core 31 combination structure includes an iron core 31 and a first magnetic conductor or a first non-magnetic conductor 32, and the coil-magnet combination structure includes a magnet, a coil and a second magnetic conductor or a second non-magnetic conductor 41. Looking from the center to the outside, the coil is inside and the permanent magnet is outside. The first mover assembly 3 and the second mover assembly 4 are respectively and simultaneously subjected to electromagnetic forces of thrust and pull in pairs, presenting a push-pull structural feature.

[0244] The permanent magnet M 1 is one, and the coil is two, namely C 1 and C 2 , adjacent coil C 1 and C 2 The direction of the current in the two adjacent coils C is opposite. 1 and C 2 The electromagnetic field formed has the same magnetic field polarity of the two adjacent end faces. The first double spring vibration transmission piece device is fixed on the top surface of the outer cylinder 5, and the second double spring vibration transmission piece device is fixed on the bottom surface of the outer cylinder 5. The two ends of the iron core 31 are respectively fixed on the first vertical part 1a of the first double spring vibration transmission piece and the second vertical part 2a of the second double spring vibration transmission piece. A first magnetic conductive ring 33 is provided on one side of the iron core 31. The first magnetic conductive body or the first non-magnetic conductive body 32 is fixed on the middle part of the iron core 31. The inner side of the outer cylinder 5 is provided with an inner cylinder 6. The permanent magnet M 1The second magnetic conductor or the second non-magnetic conductor 41 is fixed to the middle of the inner wall of the inner cylinder 6. 1 On both sides of the second magnetic conductor or the second non-magnetic conductor 41, the coil C is fixedly provided. 1 and C 2 The two second magnetic conductors or second non-magnetic conductors 41 are respectively fixed on the first bending portion 1b of the first double spring vibration transmission piece device and the second bending portion 2b of the second double spring vibration transmission piece device, and the first magnetic conductor or first non-magnetic conductor 32 is located between the two coils C 1 and C 2 The first moving subassembly 3 and the second moving subassembly 4 are arranged in a staggered manner with concave and convex shapes, and the coil C 1 and C 2 The closed curve of the main magnetic field lines and the permanent magnet M 1 The closed curve of the main magnetic force lines alternately passes through the first movable subassembly 3 and the second movable subassembly 4 respectively. There are two groups of magnetic domains inside the vibrator body 11. The magnetic domains are combined in pairs and are defined as magnetic domains D 1,1 , D 2,1 , D 1,2 , D 2,2 , the coil C 1 The closed curve of the main magnetic force lines and the closed curve of the main magnetic force lines of the permanent magnet M1 respectively cross the magnetic force action area D 1,1 and D 2,2 , and in the magnetic domain D 1,1 In the coil C 1 The direction of the magnetic lines of force and the permanent magnet M 1 The magnetic field lines have the same direction, and in the magnetic domain D 2,1 In the coil C 2 The direction of the magnetic lines of force and the permanent magnet M 1 The magnetic field lines are in opposite directions.

[0245] Attached Fig.19 The four annular air gaps arranged in sequence along the axial direction and indicated by dense dots are the space areas enclosed by the first mover assembly 3 and the second mover assembly 4. In these areas, the coil C 1 and C 2 The magnetic lines of force formed and the permanent magnet M 1 The magnetic lines of force formed pass through the annular air gaps. On both sides of the annular air gaps along the Z axis are yokes of different shapes. According to the principles of electromagnetism, the yokes on both sides of the air gaps through which the magnetic lines of force pass will generate electromagnetic forces that attract each other. Therefore, the area where these magnetic forces act is called the magnetic action area.

[0246] Attached Fig.18 There are four air gaps in the magnetic field D. 1,1 , D2,1 , D 1,2 , D 2,2 In the magnetic field, the total magnetic flux / magnetic induction intensity generated by the superposition of the magnetic field generated by the permanent magnet M1 and the magnetic field generated by the coil C1 electromagnet causes the components around the magnetic field to generate an interaction force. 1,1 , D 2,1 , D 1,2 , D 2,2 They are all surrounded by the first mover assembly 3 and the second mover assembly 4 , so in these magnetic domains, interacting component forces are generated between the first mover assembly 3 and the second mover assembly 4 .

[0247] In the figure above, through the coil C 1 The current is i 1 , coil C 1 The current is i 2 , coil C 1 and C 2 The corresponding magnetic fluxes are Φ i1 and Φ i2 . Permanent magnet M 1 The corresponding magnetic flux is Φ M1 .

[0248] Magnetic domain D 1,1 , D 2,1 , D 1,2 , D 2,2 The magnetic domains can be paired in pairs according to the symmetry. j =(D 1,j ,D 2,j ), j = 1, 2; including magnetic domain pair D 1 =(D 1,1 ,D 2,1 ), and the magnetic domain pair D 2 =(D 1,2 ,D 2,2 ).

[0249] 1) Magnetic domain pair D j =(D 1,j ,D 2,j ), j = 1, that is, the magnetic domain is D 1 =(D 1,1 ,D 2,1 ) of the magnetic flux

[0250] In the magnetic domain D 1,1 In the coil C 1 The corresponding magnetic field lines and permanent magnet M 1 The corresponding magnetic lines of force are in opposite directions, so in the magnetic domain D 1,1 The total magnetic flux is Φ i1 and Φ M1 =Φm In the magnetic domain D 2,1 In the coil C 2 The corresponding magnetic field lines and permanent magnet M 1 The corresponding magnetic lines of force have the same direction, so in the magnetic domain D 2,1 The total magnetic flux is Φ i2 and Φ M1 =Φ m 's added value.

[0251] Assumption i 1 =i 2 =i,Φ i1 =Φ i2 =Φ i , magnet M 1 The direction of the magnetic field lines is positive, and the magnetic flux is also positive, then

[0252] Φ D1,1 =Φ M1 -Φ i1 =Φ m -Φ i

[0253] Φ D2,1 =Φ M1 +Φ i2 =Φ m +Φ i

[0254] 2) Magnetic domain pair D j =(D 1,j ,D 2,j ), when i = 2, that is, the magnetic domain pair (D 1,2 ,D 2,2 ) of the magnetic flux

[0255] In the magnetic domain D 1,2 In the case of coil C1, only 1 The corresponding magnetic lines of force pass through, so the total magnetic flux is only Φ i1 =Φ i In the magnetic domain D 2,2 In the case of coil C1, only 2 The corresponding magnetic lines of force pass through, so the total magnetic flux is only Φ i2 =Φ i .

[0256] Assume that the coil C 1 and C 2 The magnetic resistance of the magnetic circuit formed by the electromagnetic field generated by the current i is Z i , N is coil C 1 and C 2 The number of turns in the coil, i is the current intensity, then:

[0257]

[0258] Assume that the magnetic permeance of the magnetic circuit formed by the electromagnetic field generated by the current is G i , then:

[0259]

[0260] Permanent magnet M 1 The corresponding magnetic flux can also be expressed by the formula of magnetic induction intensity. Assuming that the permanent magnet M 1 The magnetic induction intensity of the magnetic pole ends is B m , the area of ​​the magnetic pole end face is S m . You can get,

[0261] Thus there is

[0262]

[0263]

[0264] Attached Fig.17 The coil C1 1 and coil C1 2 The closed curve of magnetic field lines and the magnet M 1 The magnetic field lines are drawn as a closed curve. 1 The generated closed magnetic lines of force pass through the magnetic gap D 1,1 , D 1,2 , coil C1 2 The generated closed magnetic lines of force pass through the magnetic gap D 2,1 , D 2,2 , and the magnet M 1 The generated closed magnetic lines of force pass through the magnetic gap D in sequence. 11 , D 21 .

[0265] Attached Fig. 20 is a schematic diagram of a vibrator subsystem composed of a first movable subassembly 3 and a first vibration transmission piece 1 and a spring piece 1 in a second vibration transmission piece 2. At the same time, the first movable subassembly 3 and the magnetic domain D 1,1 , D 2,1 , D 1,2 , D 2,2 The positional relationship and the force analysis of the first mover assembly 3 are also shown. 1,1 The first moving subassembly 3 is subjected to the leftward suction force F from the second moving subassembly 4. 1,1 , in the magnetic domain D 2,1 The first moving subassembly 3 is subjected to the rightward suction force F from the second moving subassembly 4. 2,1 , in the magnetic domain D 1,2The first moving subassembly 3 is subjected to the rightward suction force F from the second moving subassembly 4. 1,2 , in the magnetic domain D 2,2 The first moving subassembly 3 is subjected to the leftward suction force F from the second moving subassembly 4. 2,2 .

[0266] Assuming that the magnetic domain pair D j =(D 1,j ,D 2,j ) The corresponding resultant force is F j (The positive and negative directions represent different directions of force). Taking the right direction as the positive direction, the resultant force of the first movable subassembly 3 on the second movable subassembly 4 is

[0267] F 第一动子组件 =F 1 +F 2 =-F 1,1 +F 2,1 +F 1,2 -F 2,2

[0268] F 第一动子组件 =F 1 +F 2 =(-F 1,1 +F 2,1 )+(F 1,2 -F 2,2 )

[0269] where F j is the corresponding magnetic domain pair D j =(D 1,j ,D 2,j )’s combined force.

[0270] Attached Fig.21 is a schematic diagram of a vibrator subsystem composed of a second movable subassembly 4 and a spring sheet 2 in the first vibration transmission sheet 1 and the second vibration transmission sheet 2. At the same time, the second movable subassembly 4 and the magnetic domain D 1,1 , D 2,1 , D 1,2 , D 2,2 The positional relationship and the force analysis of the second mover assembly 4 are also shown in the figure. 1,1 The second moving subassembly 4 is subjected to the rightward suction force F from the first moving subassembly 3. 1,1 , in the magnetic domain D 2,1 The second moving subassembly 4 is subjected to the leftward suction force F from the first moving subassembly 3. 2,1 , in the magnetic domain D 1,2 The second moving subassembly 4 is subjected to the leftward suction force F from the first moving subassembly 3. 1,2 , in the magnetic domain D 2,2 The second moving subassembly 4 is subjected to the rightward suction force F from the first moving subassembly 3.2,2 .

[0271] Assuming that the magnetic domain pair D j =(D 1,j ,D 2,j ) The corresponding resultant force is F j (The positive and negative values ​​represent different directions of the force). Taking the right direction as the positive direction, the resultant force of the first mover assembly 3 on the second mover assembly 4 is:

[0272] F 第二动子组件 =-F 1 -F 2 =(F 1,1 -F 2,1 )+(-F 1,2 +F 2,2 )

[0273] The above can also be expressed as follows: the direction of the force is reflected in the sign of the component force, as follows:

[0274]

[0275] Similarly, the forces of each component on the second moving subassembly 4 are -F 1,j and -F 2,j , and its resultant force ∑-F 1,j and ∑-F 2,j The vibrator assembly 2 also forms a push-pull force structure.

[0276] We divide each force into two pairs of magnetic domains, corresponding to different magnetic domain pairs D j The resultant force of the component forces, for example, for the first moving subassembly 3, there is F 1 =-F 1,1 +F 2,1 , and F 2 =F 1,2 -F 2,2 , we can further calculate the total resultant force

[0277] The formula for the electromagnetic force generated by each magnetic domain is further derived. The magnitude of the electromagnetic attraction acting on a magnetized ferromagnetic object is proportional to the total area of ​​the magnetic field lines passing through the magnetic poles and the square of the magnetic induction intensity. If the magnetic induction intensity B is uniformly distributed along the surface of the magnetic poles and the calculated air gap length is small, the formula for calculating the electromagnetic attraction is calculated by Maxwell's formula, which is expressed as:

[0278]

[0279] F: Electromagnetic suction

[0280] B: Magnetic flux density or magnetic induction intensity

[0281] Magnetic flux through the medium

[0282] S: The area where magnetic lines of force pass through the magnetic poles

[0283] μ 0 : Air magnetic permeability

[0284] C: The correlation coefficient between the magnetic pole face combination type and shape. It has different values ​​for different scenarios. If it is the force generated between permanent magnets, it is recorded as C m2m , usually takes a value of 1, and the accurate value is obtained through actual measurement during the actual design process; if the force between the permanent magnet M and the conductive magnet (yoke iron), then C m2y , usually taken as 1 / 2, and the accurate value is obtained through actual measurement during the actual design process; if it is the force between the magnet (yoke) and the magnet (yoke), it is recorded as C y2y , usually taken as 1 / 4, and the accurate value is obtained through actual measurement during the actual design process.

[0285] 1) F j, The calculation of j = 1 corresponds to the magnetic domain pair D j =(D 1,j ,D 2,j ), j = 1

[0286] Corresponding magnetic domain pair D 1 =(D 1,1 ,D 2,1 ) is the resultant force F of the component forces 1 =-F 1,1 +F 2,1 The above formula is used to calculate the magnetic domain D 11 and magnetic domain D 21 The electromagnetic attraction in is:

[0287]

[0288] Among them, S D1,1 , S D2,1 The magnetic domains D 1,1 and D 2,1 The area of ​​the corresponding annular end surface, and S D1,1 =S D2,1 =S D . Thus we have:

[0289]

[0290]

[0291] Among them are:

[0292]

[0293]

[0294] because

[0295] F 1 =-F 1,1 +F 2,1

[0296] Then there is

[0297] F 1 =F 1,linear +F 1,nonlinear

[0298]

[0299] F 1,1,linear , F 2,1,linear , F 1,1,nonlinear , F 1,1,nonlinear Substitute into F 1,linear and F 1,nonlinear , the calculation is:

[0300]

[0301] because

[0302]

[0303]

[0304] Thus:

[0305]

[0306] Similarly, calculate F 1,nonlinear ,

[0307]

[0308] Thus D 1 =(D 1,1 ,D 2,1 ) is:

[0309]

[0310] 2) F j, The calculation of j = 2 corresponds to the magnetic domain pair D j =(D 1,j ,D 2,j ), j = 2

[0311] Corresponding magnetic domain pair D 2 =(D 1,2 ,D2,2 ) is the resultant force F of the component forces 2 =F 1,2 -F 2,2 Calculate the magnetic domain D above 12 and magnetic domain D 12 The electromagnetic attraction in is:

[0312]

[0313] Among them, S D1,2 , S D2,2 The magnetic domains D 1,2 and D 2,2 The area of ​​the corresponding annular end surface, and S D1,2 =S D2,2 =S D , thus:

[0314]

[0315] Thus there is

[0316]

[0317] Can get

[0318]

[0319] Because the resultant force on the first moving subassembly 3

[0320] F 第一动子组件 =F 1 +F 2

[0321] F 第一动子组件 =F 第一动子组件,linear +F 第一动子组件,nonlinear

[0322] all:

[0323]

[0324] F 第一动子组件,nonlinear =F 1,nonlinear +F 2,nonlinear =0+0=0

[0325] For the second mover assembly, according to the action force equal to the reaction force:

[0326]

[0327] F 第二动子组件,nonlinear =-F 第一动子组件,nonlinear =0

[0328] Although the first mover assembly 3 and the second mover assembly 4 are subjected to the same force but in opposite directions, the oscillator systems of the first mover assembly 3 and the second mover assembly 4 are different. The first mover assembly 3 corresponds to the spring 1 in the double spring leaf, and the second mover assembly 4 corresponds to the spring 2 in the double spring leaf. In addition, the vibration masses of the first mover assembly 3 and the second mover assembly 4 are also different. Therefore, the mechanical vibration systems and vibration equations of the first mover assembly 3 and the second mover assembly 4 are different.

[0329] From the above derivation process, we can see the following characteristics:

[0330] 1) In the linear term of the resultant force F 动子组件,linear In the middle, the force F 1,linear and F 2,linear The linear terms of each are superimposed, so that the resultant linear term F 动子组件,linear The current of coil C1 is still linearly related.

[0331] 2) In the nonlinear term of the resultant force F 动子组件,nonlinear In the middle, the force F 1,nonlinear and F 2,nonlinear The respective nonlinear terms cancel each other out, so the resultant nonlinear term F 动子组件,nonlinear is zero.

[0332] We call the above design the design method of a dynamic-iron-dynamic-coil hybrid bone conduction vibrator or actuator with nonlinear term cancellation.

[0333] Example 7

[0334] Please refer to the attached Fig.14 And 22-25, a nonlinear term-cancelling moving-iron moving-coil magnetic hybrid vibrator device, adopts the nonlinear term-cancelling moving-iron moving-coil magnetic hybrid vibrator design method described in Example 5, including a vibrator body 11, the vibrator body 11 includes a first vibration-transmitting plate 1 and a second vibration-transmitting plate 2, a first movable subassembly 3 and a second movable subassembly 4, the first movable subassembly 3 includes an iron core 31 combination structure, the second movable subassembly 4 includes a coil-magnet combination structure, the first movable subassembly 3 is arranged in an outer cylinder 5, the second movable subassembly 4 is arranged in the outer cylinder 5 and is located outside the first movable subassembly 3, the first movable subassembly 3 is fixedly connected to the first vibration-transmitting plate 1 through at least one position, the second movable subassembly 4 is fixedly connected to the second vibration-transmitting plate 2 through at least one position, the iron core 31 combination structure includes an iron core 31 and a first magnetic conductor or a first non-magnetic conductor 32, the coil-magnet combination structure includes a magnet, a coil and a second magnetic conductor or a second non-magnetic conductor 41, looking from the center outward, the coil is inside, and the permanent magnet M 1 Externally, the first mover assembly 3 and the second mover assembly 4 are respectively and simultaneously subjected to electromagnetic forces of thrust and pull in pairs, presenting a push-pull structural feature.

[0335] There are two coils, namely C 1 and C 2 , adjacent coil C 1 and C 2 The direction of the current in the two adjacent coils C is opposite 1 and C 2 The electromagnetic field formed has the same polarity between the two adjacent end faces. 1 One end of the iron core 31 is fixed to the middle of the first vibration transmission plate 1, the other end of the iron core 31 is fixed with a first magnetic conductive ring 33, the middle of the iron core 31 is provided with a first magnetic conductive body or a first non-magnetic conductive body 32, the inner side of the outer cylinder 5 is provided with an inner cylinder 6, the permanent magnet M 1 The second magnetic conductor or the second non-magnetic conductor 41 is fixed to the middle of the inner wall of the inner cylinder 6. 1 On both sides of the second magnetic conductor or the second non-magnetic conductor 41, the coil C is fixed 1 and C 2 The second vibration transmission piece 2 is fixed on the bottom surface of the outer cylinder 5, the inner cylinder 6 is fixedly connected to the second vibration transmission piece 2 through the vibration transmission bracket 7, and the first magnetic conductor or the first non-magnetic conductor 32 is located between the two coils C 1 and C 2 The first moving subassembly 3 and the second moving subassembly 4 are arranged in a staggered manner with concave and convex shapes, and the coil C 1 and C 2 The closed curve of the main magnetic field lines and the permanent magnet M 1 The closed curve of the main magnetic force lines alternately passes through the first movable subassembly 3 and the second movable subassembly 4 respectively. There are two groups of magnetic domains inside the vibrator body 11. The magnetic domains are combined in pairs and are defined as magnetic domains D 1,1 and D 2,1 ,D 1,2 and D 2,2 , the coil C 1 and C 2 The closed curve of the main magnetic field lines and the permanent magnet M 1 The closed curves of the main magnetic field lines pass through the magnetic field D 1,1 and D 2,1 , and in the magnetic domain D 1,1 In the coil C 1 The direction of the magnetic lines of force and the permanent magnet M 1 The magnetic field lines have the same direction, and in the magnetic domain D 2,1 In the coil C 2 The direction of the magnetic lines of force and the permanent magnet M 1 The magnetic field lines are in opposite directions.

[0336] Example 8

[0337] Please refer to the attached Figure 7-8 , 14 and 26, a nonlinear term-cancelling moving-iron moving-coil magnetic hybrid vibrator device, adopts the nonlinear term-cancelling moving-iron moving-coil magnetic hybrid vibrator design method described in Example 5, including a vibrator body 11, the vibrator body 11 includes a first vibration transmission plate 1 and a second vibration transmission plate 2, a first movable subassembly 3 and a second movable subassembly 4, the first movable subassembly 3 includes an iron core 31 combination structure, the second movable subassembly 4 includes a coil magnet combination structure, the first movable subassembly 3 is arranged in an outer cylinder 5, the second movable subassembly 4 is arranged in the outer cylinder 5 and is located outside the first movable subassembly 3, the first movable subassembly 3 is fixedly connected to the first vibration transmission plate 1 through at least one position, the second movable subassembly 4 is fixedly connected to the second vibration transmission plate 2 through at least one position, the iron core 31 combination structure includes an iron core 31 and a first magnetic conductor or a first non-magnetic conductor 32, the coil magnet combination structure includes a magnet, a coil and a second magnetic conductor or a second non-magnetic conductor 41, looking from the center outward, the coil is inside, the permanent magnet M 1 In addition, the first mover assembly 3 and the second mover assembly 4 are respectively and simultaneously subjected to electromagnetic forces of thrust and pull in pairs, presenting a push-pull structural feature.

[0338] There are two coils, namely C 1 and C 2 , adjacent coil C 1 and C 2 The direction of the current is opposite, for two adjacent coils C 1 and C 2 The electromagnetic field formed has the same polarity between the two adjacent end faces. 1 The first vibration transmission plate 1 is fixed on the bottom surface of the outer cylinder 5, one end of the iron core 31 is fixed to the middle of the first vibration transmission plate 1, the other end of the iron core 31 is fixed with a first magnetic conductive ring 33, the middle of the iron core 31 is provided with a first magnetic conductive body or a first non-magnetic conductive body 32, the inner side of the outer cylinder 5 is provided with an inner cylinder 6, the permanent magnet M 1 The second magnetic conductor or the second non-magnetic conductor 41 is fixed to the middle of the inner wall of the inner cylinder 6. 1 On both sides of the second magnetic conductor or the second non-magnetic conductor 41, the coil C is fixedly provided. 1 and C 2The second vibration transmission piece 2 and the first vibration transmission piece 1 are an integral structure, and the second vibration transmission piece 2 extends obliquely from the periphery of the plane where the first vibration transmission piece 1 is located toward the inner wall of the outer cylinder 5, one of the second magnetic conductors or the second non-magnetic conductors 41 is fixed on the second vibration transmission piece 2, and the first magnetic conductor or the first non-magnetic conductor 32 is located between the two coils C 1 and C 2 The first moving subassembly 3 and the second moving subassembly 4 are arranged in a staggered manner with concave and convex shapes, and the coil C 1 and C 2 The closed curve of the main magnetic field lines and the permanent magnet M 1 The closed curve of the main magnetic force lines alternately passes through the first movable subassembly 3 and the second movable subassembly 4 respectively. There are two groups of magnetic domains inside the vibrator body 11. The magnetic domains are combined in pairs and are defined as magnetic domains D 1,1 and D 2,1 ,D 1,2 and D 2,2 , the coil C 1 and C 2 The closed curve of the main magnetic field lines and the permanent magnet M 1 The closed curves of the main magnetic field lines pass through the magnetic field D 1,i and D 2,i , and in the magnetic domain D 1,1 In the coil C 1 The direction of the magnetic lines of force and the permanent magnet M 1 The magnetic field lines have the same direction, and in the magnetic domain D 2,1 In the coil C 2 The direction of the magnetic lines of force and the permanent magnet M 1 The magnetic field lines are in opposite directions.

[0339] Example 9

[0340] The nonlinear terms of Examples 1-8 offset the permanent magnet described in the moving-iron and moving-coil magnetic hybrid vibrator, or the magnet can be replaced by a magnet part, and the coil can be replaced by a coil part, which also fall within the protection scope of this patent.

[0341] Magnet: The overall magnetic field formed by a single magnet or a combination of multiple magnets (n>1) is equivalent to a single magnet. The magnetic field formed by the magnets in the combination is in the same direction as a dominant magnetic field (if the magnetic field strengths of the multiple magnets are quite different, the directions of the magnetic fields of these magnets may be opposite to each other, but the overall magnetic field direction is the same as the dominant magnetic field direction), so that the overall magnetic field generated by it can be regarded as equivalent to that generated by a single magnet. Usually, magnets are connected by a hard or soft structural part (between magnets, or on the edge of magnets, or around magnets), or even if there is no structural part, the magnets are connected by bonding, welding, embedding, screws, spirals, riveting, latches, buckles, clamps, brackets, sleeves, glands or other methods.

[0342] Coil assembly: The overall magnetic field generated by a single coil or a combination of multiple coils (n turns>1) is equivalent to the magnetic field generated by a single coil; the magnetic field generated by the coils in the assembly is in the same direction as the magnetic field generated by a dominant coil / (if the magnetic field strengths generated by the multiple coils are quite different, the directions of the magnetic fields generated by these coils can also be opposite, but the overall magnetic field direction is the same as the magnetic field generated by the dominant coil), so that the overall magnetic field generated by it can be regarded as equivalent to the current generated in a single coil assembly. Usually, the coils are connected by a hard or soft structural part (between the coils, or at the edge of the coil, or around the coil), or even if there is no structural part, the coils are connected by bonding, welding, embedding, screws, spirals, riveting, latches, buckles, clamps, brackets, sleeves, glands or other means.

[0343] In order to describe the magnet component and the coil component in detail, the following embodiments are first described in detail.

[0344] The magnet member 201 includes the following embodiments when in use:

[0345] Embodiment 1 of the magnet member 201:

[0346] Reference Fig.30 As shown; permanent magnets and permanent magnets are connected in series in the direction of the magnetic field, with no structural parts in between, nmagnetic = 2;

[0347] Permanent magnet 1 and permanent magnet 2 are connected by bonding, welding, riveting, latches, clamps, brackets, sleeves or other methods. The magnetic fields generated by permanent magnet 1 and permanent magnet 2 are both oriented toward the Y+ axis, so the directions are the same. Therefore, the combination of permanent magnet 1 and permanent magnet 2 can be regarded as being similar to or equivalent to the single magnet on the right (indicated by the "=" sign in the figure) from the direction of the external overall magnetic field. The combination of permanent magnet 1 and permanent magnet 2 can be regarded as a magnet part 201.

[0348] Embodiment 2 of the magnet member 201:

[0349] Reference Fig.31 As shown; permanent magnets and permanent magnets are connected in series in the direction of the magnetic field, with no structural parts in between, nmagnetic = 3;

[0350] Permanent magnet 1, permanent magnet 2 and permanent magnet 3 are connected by bonding, welding, riveting, latches, clamps, brackets, sleeves or other methods. The magnetic fields generated by permanent magnet 1, permanent magnet 2 and permanent magnet 3 are all oriented toward the Y+ axis, so the directions are the same. Therefore, the combination of permanent magnet 1, permanent magnet 2 and permanent magnet 3 can be regarded as being similar to or equivalent to the single magnet on the right (indicated by the "=" sign in the figure) from the direction of the external overall magnetic field. The combination of permanent magnet 1, permanent magnet 2 and permanent magnet 3 can be regarded as a magnet part 201.

[0351] Embodiment 3 of the magnet member 201:

[0352] Reference Fig.32 As shown; permanent magnets and permanent magnets are connected in series in the direction of the magnetic field, with a structural part in the middle, n magnet = 2;

[0353] There is a magnetic conductor between permanent magnet 1 and permanent magnet 2. Permanent magnet 1 and magnetic conductor, and permanent magnet 2 and magnetic conductor are connected by bonding, welding, riveting, latches, clamps, brackets, sleeves or other methods. The directions of the magnetic fields generated by permanent magnet 1 and permanent magnet 2 are both toward the + direction of the Y axis, so the directions are the same. Therefore, the combination of permanent magnet 1, magnetic conductor and permanent magnet 2 can be regarded as equivalent (indicated by the "=" sign in the figure) to the single magnet on the right from the direction of the external overall magnetic field. The combination of permanent magnet 1, magnetic conductor and permanent magnet 2 can be regarded as a magnet part 201.

[0354] The above magnetic conductor can also be replaced with a non-magnetic conductor, or a reverse magnet with a much smaller magnetic field strength, which will not affect the overall structure and can still be equivalent to a single permanent magnet. Therefore, this situation also includes this type.

[0355] Embodiment 4 of the magnet member 201:

[0356] Reference Fig.33 As shown; permanent magnets and permanent magnets are connected in series in the direction of the magnetic field, with no structural parts in between, nmagnetic = 2;

[0357] Permanent magnet 1 and permanent magnet 2, permanent magnet 1 is large, permanent magnet 2 is small, they are connected by bonding, welding, riveting, latches, clamps, brackets, sleeves or other methods, the magnetic field directions generated by permanent magnet 1 and permanent magnet 2 are both toward the Y+ axis direction, so the directions are the same. Therefore, the combination of permanent magnet 1 and permanent magnet 2, from the direction of the external overall magnetic field, can be regarded as similar to the single magnet on the right (indicated by the "=" sign in the figure). The combination of permanent magnet 1 and permanent magnet 2 can be regarded as a magnet part 201.

[0358] Embodiment 5 of the magnet member 201:

[0359] Reference Fig.34 As shown; permanent magnets and permanent magnets are connected in series in the direction of the magnetic field, with a structural part in the middle, n magnet = 2;

[0360] Permanent magnet 1 and permanent magnet 2, permanent magnet 1 is large, permanent magnet 2 is small, they are connected by bonding, welding, riveting, latches, clamps, brackets, sleeves or other methods, the magnetic field directions generated by permanent magnet 1 and permanent magnet 2 are both toward the Y+ axis direction, so the directions are the same. Therefore, the combination of permanent magnet 1 and permanent magnet 2, from the direction of the external overall magnetic field, can be regarded as similar to the single magnet on the right (indicated by the "=" sign in the figure). The combination of permanent magnet 1 and permanent magnet 2 can be regarded as a magnet part 201.

[0361] Embodiment 6 of the magnet member 201:

[0362] Reference Fig.35 As shown; permanent magnets and permanent magnets are combined in parallel in the direction of the magnetic field, with no structural parts in between, and n magnet = 2;

[0363] Permanent magnet 1 and permanent magnet 2 are connected by bonding, welding, riveting, latches, clamps, brackets, sleeves or other methods. The magnetic fields generated by permanent magnet 1 and permanent magnet 2 are both oriented toward the Y+ axis, so the directions are the same. Therefore, the combination of permanent magnet 1 and permanent magnet 2 can be regarded as being similar to or equivalent to the single magnet on the right (indicated by the "=" sign in the figure) from the direction of the external overall magnetic field. The combination of permanent magnet 1 and permanent magnet 2 can be regarded as a magnet part 201.

[0364] Embodiment 7 of the magnet member 201:

[0365] Reference Fig.36 As shown; permanent magnets and permanent magnets are combined in parallel in the direction of the magnetic field, with no structural parts in between, and n magnet = 3;

[0366] Permanent magnet 1, permanent magnet 2 and permanent magnet 3 are connected by bonding, welding, riveting, latches, clamps, brackets, sleeves or other methods. The magnetic fields generated by permanent magnet 1, permanent magnet 2 and permanent magnet 3 are all oriented toward the Y+ axis, so the directions are the same. Therefore, the combination of permanent magnet 1, permanent magnet 2 and permanent magnet 3 can be regarded as being similar to or equivalent to the single magnet on the right (indicated by the "=" sign in the figure) from the direction of the external overall magnetic field. The combination of permanent magnet 1, permanent magnet 2 and permanent magnet 3 can be regarded as a magnet part 201.

[0367] Embodiment 8 of the magnet member 201:

[0368] Reference Fig.37 As shown; permanent magnets and permanent magnets are mixed and combined in series and parallel in the direction of the magnetic field, with no structural parts in the middle, and n magnet = 3;

[0369] Permanent magnet 1, permanent magnet 2 and permanent magnet 3, magnetic plate 1 and magnetic plate 2 are connected by bonding, welding, riveting, latch, clamp, bracket, sleeve or other means. The magnetic field directions generated by permanent magnet 1, permanent magnet 2 and permanent magnet 3 are all toward the Y+ axis direction. The magnetic field directions of magnetic plate 1 and magnetic plate 2 after magnetization are also toward the Y+ axis direction, so all directions are the same. Therefore, the combination of permanent magnet 1, permanent magnet 2 and permanent magnet 3, magnetic plate 1 and magnetic plate 2 can be regarded as similar to or equivalent to the single magnet on the right (indicated by the "=" sign in the figure) from the direction of the external overall magnetic field. The combination of permanent magnet 1, permanent magnet 2 and permanent magnet 3, magnetic plate 1 and magnetic plate 2 can be regarded as a magnet part 201.

[0370] The magnetic conductive plate above can also be replaced with a non-magnetic conductive plate, or a reverse magnet with a much smaller magnetic field strength, which will not affect the overall structure and can still be equivalent to a single permanent magnet. Therefore, this situation also includes this type.

[0371] Embodiment 9 of the magnet member 201:

[0372] Reference Fig.38 As shown; permanent magnets and permanent magnets are combined in parallel in the direction of the magnetic field, with a structural part in the middle, n magnet = 2;

[0373] There is a magnetic conductor between permanent magnet 1 and permanent magnet 2. Permanent magnet 1 and magnetic conductor, and permanent magnet 2 and magnetic conductor are connected by bonding, welding, riveting, latches, clamps, brackets, sleeves or other methods. The directions of the magnetic fields generated by permanent magnet 1 and permanent magnet 2 are both toward the + direction of the Y axis, so the directions are the same. Therefore, the combination of permanent magnet 1, magnetic conductor and permanent magnet 2 can be regarded as equivalent (indicated by the "=" sign in the figure) to the single magnet on the right from the direction of the external overall magnetic field. The combination of permanent magnet 1, magnetic conductor and permanent magnet 2 can be regarded as a magnet part 201.

[0374] The magnetic conductive plate above can also be replaced with a non-magnetic material, or a reverse magnet with a much smaller magnetic field strength, which will not affect the overall structure and can still be equivalent to a single permanent magnet. Therefore, this situation also includes this type.

[0375] Embodiment 10 of the magnet member 201:

[0376] Reference Fig.39 As shown; permanent magnets and permanent magnets are combined in parallel in the direction of the magnetic field, with no structural parts in between, and n magnet = 2;

[0377] Permanent magnet 1 and permanent magnet 2 are connected by bonding, welding, riveting, latches, clamps, brackets, sleeves or other methods. The magnetic fields generated by permanent magnet 1 and permanent magnet 2 are both oriented toward the Y+ axis, so the directions are the same. Therefore, the combination of permanent magnet 1 and permanent magnet 2 can be regarded as being similar to or equivalent to the single magnet on the right (indicated by the "=" sign in the figure) from the direction of the external overall magnetic field. The combination of permanent magnet 1 and permanent magnet 2 can be regarded as a magnet part 201.

[0378] Embodiment 11 of the magnet member 201:

[0379] Reference Fig.40 As shown; permanent magnets and permanent magnets are combined in parallel in the direction of the magnetic field, with a structural part in the middle, n magnet = 2;

[0380] There is a magnetic conductor between permanent magnet 1 and permanent magnet 2. Permanent magnet 1 and magnetic conductor, and permanent magnet 2 and magnetic conductor are connected by bonding, welding, riveting, latches, clamps, brackets, sleeves or other methods. The directions of the magnetic fields generated by permanent magnet 1 and permanent magnet 2 are both toward the + direction of the Y axis, so the directions are the same. Therefore, the combination of permanent magnet 1, magnetic conductor and permanent magnet 2 can be regarded as equivalent (indicated by the "=" sign in the figure) to the single magnet on the right from the direction of the external overall magnetic field. The combination of permanent magnet 1, magnetic conductor and permanent magnet 2 can be regarded as a magnet part 201.

[0381] The magnetic conductive plate above can also be replaced with a non-magnetic material, or a reverse magnet with a much smaller magnetic field strength, which will not affect the overall structure and can still be equivalent to a single permanent magnet. Therefore, this situation also includes this type.

[0382] Embodiment 12 of the magnet member 201:

[0383] Reference Fig.41 As shown; permanent magnets and permanent magnets are combined in parallel in the direction of the magnetic field, with no structural parts in between, and n magnet = 2;

[0384] Permanent magnet 1 (ring, circular ring, square ring, rectangular ring, etc.) and permanent magnet 2 (column, cylindrical, square column, rectangular column, etc.) are connected by bonding, welding, riveting, latch, clamp, bracket, sleeve or other means. The magnetic field directions generated by permanent magnet 1 and permanent magnet 2 are both toward the Y+ axis direction, so the directions are the same. Therefore, the combination of permanent magnet 1 and permanent magnet 2 can be regarded as similar to or equivalent to the single magnet on the right (indicated by the "=" sign in the figure) from the direction of the external overall magnetic field. The combination of permanent magnet 1 and permanent magnet 2 can be regarded as a magnet part 201.

[0385] Embodiment 13 of the magnet member 201:

[0386] Reference Fig.42 As shown; permanent magnets and permanent magnets are combined in parallel in the direction of the magnetic field, with a structural part in the middle, n magnet = 2;

[0387] A magnetic conductive ring 104 is placed between the permanent magnet 1 (ring, circular ring, square ring, rectangular ring, etc.) and the permanent magnet 2 (column, cylindrical, square column, rectangular column, etc.). The permanent magnet 1 and the magnetic conductive body, and the permanent magnet 2 and the magnetic conductive body are connected by bonding, welding, riveting, latches, clamps, brackets, sleeves or other methods. The directions of the magnetic fields generated by the permanent magnet 1 and the permanent magnet 2 are both toward the + direction of the Y axis, so the directions are the same. Therefore, the combination of the permanent magnet 1, the magnetic conductive body and the permanent magnet 2 can be regarded as equivalent (indicated by the "=" sign in the figure) to the single magnet on the right from the direction of the external overall magnetic field. The combination of the permanent magnet 1, the magnetic conductive body and the permanent magnet 2 can be regarded as a magnet part 201.

[0388] The magnetic conductive ring above can also be replaced with a non-magnetic conductive ring, or a reverse magnet ring with much smaller magnetic field strength, which will not affect the overall structure and can still be equivalent to a single permanent magnet. Therefore, this situation also includes this type.

[0389] Embodiment 14 of the magnet member 201:

[0390] Reference Fig.43 As shown; permanent magnets and permanent magnets are combined in parallel in the direction of the magnetic field, with no structural parts in between, nmagnetic = 2;

[0391] Permanent magnet 1 (ring, circular ring, square ring, rectangular ring, etc.) and permanent magnet 2 (ring, cylindrical, square column, rectangular column, etc.) are connected by bonding, welding, riveting, latch, clamp, bracket, sleeve or other means. The magnetic field directions generated by permanent magnet 1 and permanent magnet 2 are both towards the Y+ axis direction, and the directions are the same. Therefore, the combination of permanent magnet 1 and permanent magnet 2 can be regarded as similar to the single magnet on the right from the direction of the external overall magnetic field (indicated by the "=" sign in the figure). The combination of permanent magnet 1 and permanent magnet 2 can be regarded as a magnet part 201. The core part in the figure can be air, non-magnetic or weakly magnetic, such as a weakly magnetic latch.

[0392] Embodiment 15 of the magnet member 201:

[0393] Reference Fig.44 As shown; permanent magnets and permanent magnets are combined in parallel in the direction of the magnetic field, with a structural part in the middle, n magnet = 2;

[0394] A magnetic conductive ring 104 is placed between the permanent magnet 1 (ring, circular ring, square ring, rectangular ring, etc.) and the permanent magnet 2 (column, cylindrical, square column, rectangular column, etc.). The permanent magnet 1 and the magnetic conductive body, and the permanent magnet 2 and the magnetic conductive body are connected by bonding, welding, riveting, latches, clamps, brackets, sleeves or other methods. The directions of the magnetic fields generated by the permanent magnet 1 and the permanent magnet 2 are both toward the + direction of the Y axis, so the directions are the same. Therefore, the combination of the permanent magnet 1, the magnetic conductive body and the permanent magnet 2 can be regarded as equivalent (indicated by the "=" sign in the figure) to the single magnet on the right from the direction of the external overall magnetic field. The combination of the permanent magnet 1, the magnetic conductive body and the permanent magnet 2 can be regarded as a magnet part 201.

[0395] The magnetic connecting ring above can also be replaced with a non-magnetic ring, or a reverse magnet ring with a much smaller magnetic field strength, which will not affect the overall structure and can still be equivalent to a single permanent magnet. Therefore, this situation also includes this type.

[0396] Embodiment 16 of the magnet member 201:

[0397] Reference Fig.45 As shown; permanent magnets and permanent magnets are mixed and combined in series and parallel in the direction of the magnetic field, with no structural parts in the middle, n magnet = 5;

[0398] Permanent magnet 1, permanent magnet 2 and permanent magnet 3 are connected in parallel by bonding, welding, riveting, latches, clamps, brackets, sleeves or other methods to form an equivalent magnet (magnet 1 | magnet 2 | magnet 3), which is then connected in series with permanent magnet 4 and permanent magnet 5 to form an equivalent magnet (magnet 4-(magnet 1 | magnet 2 | magnet 3)-magnet 5). Then the directions of the magnetic fields generated by the equivalent magnets (magnet 1 | magnet 2 | magnet 3), permanent magnet 4 and permanent magnet 5 are all towards the Y+ axis direction, so the directions are the same. Therefore, the magnet combination (magnet 4-(magnet 1 | magnet 2 | magnet 3)-magnet 5) can be regarded as being similar to (indicated by the "=" sign in the figure) a single magnet on the right from the direction of the external overall magnetic field. The magnet combination (magnet 4-(magnet 1 | magnet 2 | magnet 3)-magnet 5) can be regarded as a magnet part 201.

[0399] Embodiment 17 of the magnet member 201:

[0400] Reference Fig.46 As shown; permanent magnets and permanent magnets are mixed and combined in series and parallel in the direction of the magnetic field, with no structural parts in the middle, n magnet = 5;

[0401] Permanent magnet 1, permanent magnet 2 and permanent magnet 3 are connected in series by bonding, welding, riveting, latches, clamps, brackets, sleeves or other means to form an equivalent magnet (magnet 1-magnet 2-magnet 3), and the equivalent magnet (magnet 1-magnet 2-magnet 3) is then connected in parallel with permanent magnet 4 and permanent magnet 5 to form an equivalent magnet (magnet 4|(magnet 1-magnet 2-magnet 3)|magnet 5). Then the directions of the magnetic fields generated by the equivalent magnets (magnet 1-magnet 2-magnet 3), permanent magnet 4 and permanent magnet 5 are all towards the Y+ axis direction, so the directions are the same. Therefore, the magnet combination (magnet 4|(magnet 1-magnet 2-magnet 3)|magnet 5) can be regarded as being similar to (indicated by the "=" sign in the figure) a single magnet on the right from the direction of the external overall magnetic field. The magnet combination (magnet 4|(magnet 1-magnet 2-magnet 3)|magnet 5) can be regarded as a magnet part 201.

[0402] Embodiment 18 of the magnet member 201:

[0403] Reference Fig.46a As shown; permanent magnets and permanent magnets are connected in series in the direction of the magnetic field, with no structural parts in the middle, nmagnetic = 2

[0404] Permanent magnet 1 and permanent magnet 2, permanent magnet 1 is large, permanent magnet 2 is small, they are connected by bonding, welding, embedding, screws, spirals, riveting, latches, buckles, clamps, brackets, sleeves, glands or other methods, the magnetic field direction of permanent magnet 1 is toward the Y+ axis direction, and the magnetic field direction of permanent magnet 2 is toward the Y- axis direction. However, because the magnetic field strength of permanent magnet 2 is less than the magnetic field strength of permanent magnet 1, the combination of permanent magnet 1 and permanent magnet 2 can still be regarded as similar to or equivalent to the single magnet on the right (indicated by the "=" sign in the figure) from the direction of the external overall magnetic field. The combination of permanent magnet 1 and permanent magnet 2 can be regarded as a magnet part 201.

[0405] The coil member 102 includes the following embodiments when in use:

[0406] Embodiment 1 of the coil component 102:

[0407] Reference Fig.47 As shown; the coils are connected in series in the direction of the magnetic field, with no structural parts in the middle, and n turns = 2;

[0408] Coil 1 and coil 2 are connected by bonding, brackets, sleeves, riveting, clamps, welding or other methods. The directions of the magnetic fields generated by coil 1 and coil 2 are both toward the Y+ axis direction, so the directions are the same. Therefore, the direction of the overall magnetic field generated by the combination of coil 1 and coil 2 can be similarly equivalent (indicated by the "=" sign in the figure) to the single coil on the right when viewed from the outside. The combination of coil 1 and coil 2 can be considered as a coil component 102.

[0409] In the above embodiment, whether there is an iron core in the middle of the coil or not has no effect on the direction of the magnetic field generated by the coil current, and therefore does not affect the conclusion that the above two coils are serially combined into one coil member 102 .

[0410] In the figure below, according to the usual coil current identification method, the circle and cross icon ⊙ indicates that the current flows vertically inward from the screen, and the dot icon ⊙ indicates that the current flows vertically outward from the screen.

[0411] Embodiment 2 of the coil component 102:

[0412] Reference Fig.48 As shown; the coils are connected in series in the direction of the magnetic field, with a sleeve around them, n turns = 2;

[0413] Coil 1 and coil 2 are connected by a sleeve (preferably made of magnetic conductive material, but can also be made of weak magnetic conductive material, non-magnetic conductive material, etc.). The directions of the magnetic fields generated by coil 1 and coil 2 are both toward the Y+ axis direction, so the directions are the same. Therefore, the direction of the overall magnetic field generated by the combination of coil 1 and coil 2 can be similarly equivalent (indicated by the "=" sign in the figure) to the single coil on the right when viewed from the outside. The combination of coil 1 and coil 2 can be considered as a coil component 102.

[0414] Embodiment 3 of the coil component 102:

[0415] Reference Fig.49 As shown; the coils are connected in series in the direction of the magnetic field, with no structural parts in the middle, and n turns = 3;

[0416] Coil 1, coil 2 and coil 3 are connected by bonding, brackets, sleeves, riveting, clamps, welding or other methods. The directions of the magnetic fields generated by coil 1, coil 2 and coil 3 are all towards the Y+ axis direction, so the directions are the same. Therefore, the direction of the overall magnetic field generated by the combination of coil 1, coil 2 and coil 3 can be similarly equivalent (indicated by the "=" sign in the figure) to the single coil on the right when viewed from the outside. The combination of coil 1, coil 2 and coil 3 can be considered as a coil component 102.

[0417] Embodiment 4 of the coil component 102:

[0418] Reference Fig.50 As shown; the coils are connected in series in the direction of the magnetic field, with a structural member in the middle, n turns = 2;

[0419] There is a magnetic conductor between coil 1 and coil 2. Coil 1 and magnetic ring 104 are connected by bonding, bracket, sleeve, riveting, clamping, welding or other methods. The magnetic field directions generated by coil 1 and coil 2 are both oriented toward the + direction of the Y axis, so the directions are the same. Therefore, the direction of the overall magnetic field generated by the combination of coil 1, magnetic ring 104 and coil 2 can be regarded as equivalent (indicated by the "=" sign in the figure) to the single coil on the right when viewed from the outside. The combination of coil 1, magnetic ring 104 and coil 2 can be regarded as a coil component 102.

[0420] The magnetic conductive ring above can also be replaced with a non-magnetic conductive ring, or a reverse coil with a much smaller induced magnetic field strength, which will not affect the overall structure and can still be equivalent to a single coil. Therefore, this situation also includes this type.

[0421] Embodiment 5 of the coil component 102:

[0422] Reference Fig.51As shown; the coils are connected in series in the direction of the magnetic field, with no structural parts in the middle, and n turns = 2;

[0423] Coil 1 and coil 2, coil 1 is large, coil 2 is small, they are connected by bonding, bracket, sleeve, riveting, clamping claw, welding or other methods, the magnetic field directions generated by coil 1 and coil 2 are both toward the Y+ axis direction, so the directions are the same. Therefore, the direction of the overall magnetic field generated by the combination of coil 1 and coil 2 can be similarly equivalent (indicated by the "=" sign in the figure) to the single coil on the right when viewed from the outside. The combination of coil 1 and coil 2 can be considered as a coil component 102.

[0424] Embodiment 6 of the coil component 102:

[0425] Reference Fig.52 As shown; the coils are connected in series in the direction of the magnetic field, with a structural member in the middle, n turns = 2;

[0426] Coil 1 and coil 2, coil 1 is large, coil 2 is small, they are connected by bonding, bracket, sleeve, riveting, clamping claw, welding or other methods, the magnetic field directions generated by coil 1 and coil 2 are both toward the Y+ axis direction, so the directions are the same. Therefore, the direction of the overall magnetic field generated by the combination of coil 1 and coil 2 can be similarly equivalent (indicated by the "=" sign in the figure) to the single coil on the right when viewed from the outside. The combination of coil 1 and coil 2 can be considered as a coil component 102.

[0427] The magnetic conductive ring above can also be replaced with a non-magnetic conductive ring, or a reverse coil with a much smaller induced magnetic field strength, which will not affect the overall structure and can still be equivalent to a single coil. Therefore, this situation also includes this type.

[0428] Embodiment 7 of the coil component 102:

[0429] Reference Fig.53 As shown; the coils are connected in parallel in the direction of the magnetic field, with no structural parts in the middle, and n turns = 2;

[0430] Coil 1 (outer coil) and coil 2 (inner coil) are connected by bonding, bracket, sleeve, riveting, clamping, welding or other methods. The magnetic field directions generated by coil 1 and coil 2 are both toward the Y+ axis direction, so the directions are the same. Therefore, the direction of the overall magnetic field generated by the combination of coil 1 and coil 2 can be similarly equivalent (indicated by the "=" sign in the figure) to the single coil on the right when viewed from the outside. The combination of coil 1 and coil 2 can be considered as a coil component 102.

[0431] Embodiment 8 of the coil component 102:

[0432] Reference Fig.54As shown; the coils are connected in parallel in the direction of the magnetic field, with no structural parts in the middle, and n turns = 2;

[0433] Coil 1 (outer ring) and coil 2 (inner ring) are connected to the iron core by bonding, brackets, sleeves, riveting, clamps, welding or other methods. The directions of the magnetic fields generated by coil 1 and coil 2 are both toward the Y+ axis direction, so the directions are the same. Therefore, the direction of the overall magnetic field generated by the combination of coil 1, coil 2 and iron core can be similarly equivalent (indicated by the "=" sign in the figure) to the single coil on the right when viewed from the outside. The combination of coil 1, coil 2 and iron core can be considered as a coil component 102.

[0434] Embodiment 9 of the coil component 102:

[0435] Reference Fig.55 As shown; the coils are connected in parallel in the direction of the magnetic field, with no structural parts in the middle, and n turns = 3;

[0436] Coil 1, coil 2 and coil 3 are connected by bonding, brackets, sleeves, riveting, clamps, welding or other methods. The directions of the magnetic fields generated by coil 1, coil 2 and coil 3 are all towards the Y+ axis direction, so the directions are the same. Therefore, the direction of the overall magnetic field generated by the combination of coil 1, coil 2 and coil 3 can be similarly equivalent (indicated by the "=" sign in the figure) to the single coil on the right when viewed from the outside. The combination of coil 1, coil 2 and coil 3 can be considered as a coil component 102.

[0437] Embodiment 10 of the coil component 102:

[0438] Reference Fig.56 As shown; the coils are mixed and combined in parallel in the direction of the magnetic field, with no structural parts in the middle, and n turns = 3;

[0439] Coil 1, coil 2 and coil 3, magnetic plate 1 and magnetic plate 2 are connected by bonding, bracket, sleeve, riveting, clamping, welding or other methods. The directions of the magnetic fields generated by coil 1, coil 2 and coil 3 are all toward the Y+ axis direction. The directions of the magnetic fields of magnetic plate 1 and magnetic plate 2 after being magnetized are also toward the Y+ axis direction, so all directions are the same. Therefore, the direction of the overall magnetic field generated by the combination of coil 1, coil 2 and coil 3, magnetic plate 1 and magnetic plate 2 can be similarly equivalent (indicated by the "=" sign in the figure) to the single coil on the right when viewed from the outside. The combination of coil 1, coil 2 and coil 3, magnetic plate 1 and magnetic plate 2 can be considered as a coil component 102.

[0440] The magnetic conductive plate above can also be replaced with a non-magnetic conductive plate, or a reverse magnet with a much smaller magnetic field strength, which will not affect the overall structure and can still be equivalent to a single coil. Therefore, this situation also includes this type.

[0441] Embodiment 11 of the coil component 102:

[0442] Reference Fig.57 As shown; the coils are connected in parallel in the direction of the magnetic field, with a structural member in the middle, n turns = 2;

[0443] There is an isolation ring (preferably made of magnetic conductive material, but can also be made of weak magnetic conductive material, or non-magnetic conductive material) between coil 1 and coil 2. Coil 1 and isolation ring, as well as coil 2 and isolation ring are connected by bonding, brackets, sleeves, riveting, clamps, welding or other methods. The directions of the magnetic fields generated by coil 1 and coil 2 are both towards the + direction of the Y axis, so the directions are the same. Therefore, the direction of the overall magnetic field generated by the combination of coil 1, isolation ring and coil 2 is equivalent to the single coil on the right when viewed from the outside (indicated by the "=" sign in the figure). The combination of coil 1, magnetic conductor and coil 2 can be considered as a coil component 102.

[0444] Embodiment 12 of the coil component 102:

[0445] Reference Fig.58 As shown; the coils are mixed in series and parallel in the direction of the magnetic field, with no structural parts in the middle, and n turns = 4;

[0446] Coil 1 and coil 2 are connected in parallel by bonding, brackets, sleeves, riveting, clamps, welding or other methods to form an equivalent coil (coil 1 | coil 2), which is then connected in series with coil 3 and coil 4 to form an equivalent coil (coil 3-(coil 1 | coil 2)-coil 4). Then the directions of the magnetic fields generated by the equivalent coil (coil 1 | coil 2), coil 3 and coil 4 are all towards the Y+ axis direction, so the directions are the same. Therefore, the direction of the overall magnetic field generated by the coil combination (coil 3-(coil 1 | coil 2)-coil 4) can be similar to the single coil on the right when viewed from the outside (indicated by the "=" sign in the figure). The coil combination (coil 3-(coil 1 | coil 2)-coil 4) can be considered as a coil component 102.

[0447] Embodiment 13 of the coil component 102:

[0448] Reference Fig.59 As shown; the coils are mixed in series and parallel in the direction of the magnetic field, with no structural parts in the middle, and n turns = 4;

[0449] Coil 1, coil 2 and coil 3 are connected in series by bonding, brackets, sleeves, riveting, clamps, welding or other methods to form an equivalent coil (coil 1-coil 2-coil 3), and the equivalent coil (coil 1-coil 2-coil 3) is then connected in parallel with coil 4 to form an equivalent coil ((coil 1-coil 2-coil 3) | coil 4). Then the directions of the magnetic fields generated by the equivalent coils (coil 1-coil 2-coil 3) and coil 4 are both towards the Y+ axis direction, so the directions are the same. Therefore, the direction of the overall magnetic field generated by the coil combination ((coil 1-coil 2-coil 3) | coil 4) can be similarly equivalent (indicated by the "=" sign in the figure) to the single coil on the right when viewed from the outside. The coil combination ((coil 1-coil 2-coil 3) | coil 4) can be considered as a coil component 102.

[0450] Example 10

[0451] Please refer to Figure 1-59 According to the application of the design method of the moving-armor and moving-coil hybrid vibrator for offsetting the nonlinear terms of Examples 1, 3, 5, 7 and 9, the moving-armor and moving-coil hybrid vibrator for offsetting the nonlinear terms obtained by the above design method is applied to bone conduction headphones, bone conduction glasses, wired headphones, wireless headphones, AR glasses, VR glasses, smart watches, smart bracelets, head-mounted devices, wearable devices, smart phones, game controllers, game headphones, game steering wheels, game pedals, mice, keyboards, touch screens, electrical control panels, touch devices, screen sound devices, vehicle-mounted tactile feedback devices, smart cockpits, game chairs, massage chairs, massagers, tactile feedback vests, tactile feedback gloves, tactile feedback belts, tactile feedback leg devices, hearing aid devices, sleep aid devices or tactile feedback network interconnection devices. When the moving-armor and moving-coil hybrid vibrator for offsetting the nonlinear terms is used in the above products, it can convert electrical energy into mechanical energy, such as vibration or mechanical motion.

[0452] The above description enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A method for manufacturing a moving-iron and moving-coil magnetic hybrid vibrator with nonlinear term offset, characterized by: The following conditions are included: (1): a vibrator body is set, the vibrator body includes an outer tube, a first vibration transmission plate and a second vibration transmission plate, a first movable subassembly and a second movable subassembly, the first movable subassembly includes an iron core combination structure, the second movable subassembly includes a coil magnet combination structure, the first movable subassembly is arranged in the outer tube, the second movable subassembly is arranged in the outer tube and is located outside the first movable subassembly, the first movable subassembly and the first vibration transmission plate are fixedly connected through at least one position, and the second movable subassembly and the second vibration transmission plate are fixedly connected through at least one position; (2): the first movable subassembly and the second movable subassembly are respectively subjected to electromagnetic forces of thrust and pull in pairs at the same time, presenting a push-pull structural feature; there are 2N magnetic domains inside the vibrator body, and the magnetic domain is a space region full of electromagnetic force energy, generally composed of air or a medium with a small magnetic permeability, or a relative magnetic permeability <1000, including the region where the magnetic material is located; the magnetic domains are combined in pairs, defined as magnetic domain D 1,i and D 2,i , where i = 1, 2, 3, …, N; when the direction of the magnetic lines of force of the coil passing through a certain magnetic domain is the same as the direction of the magnetic lines of force of the permanent magnet, the total magnetic flux is equal to the sum of the magnetic flux generated by the coil and the magnetic flux generated by the permanent magnet; when the direction of the magnetic lines of force of the coil passing through a certain magnetic domain is opposite to the direction of the magnetic lines of force of the permanent magnet, the total magnetic flux is equal to the difference between the magnetic flux generated by the coil and the magnetic flux generated by the permanent magnet.

2. The method for manufacturing a moving-iron and moving-coil magnetic hybrid vibrator with nonlinear term cancellation according to claim 1, characterized in that: The number of permanent magnets in the coil-magnet combination structure and the number of coils in the coil combination structure are limited, the number of permanent magnets is N magnets, the number of coils is N turns, so that N magnets>N turns or N magnets<N turns; N magnets is 1, 2, 3, ..., 100; N turns is 1, 2, 3, ..., 100.

3. The method for manufacturing a moving-iron and moving-coil magnetic hybrid vibrator with nonlinear term cancellation according to claim 1, characterized in that: The closed curve of the main magnetic force lines of the coil and the closed curve of the main magnetic force lines of the permanent magnet respectively cross the magnetic force action area D 1,i and D 2,i , and in the magnetic domain D 1,i In the magnetic field, the direction of the magnetic field lines of the coil is the same as that of the permanent magnet, and in the magnetic field D2,i In the magnetic field, the direction of the magnetic field lines of the coil is opposite to that of the permanent magnet; or in the magnetic field D 1,i In the magnetic field of the coil, the direction of the magnetic field of the permanent magnet is opposite to that of the magnetic field of the permanent magnet, and in the magnetic field D 2,i In the circuit, the direction of the magnetic lines of force of the coil is the same as that of the permanent magnet.

4. The method for manufacturing a moving-iron and moving-coil magnetic hybrid vibrator with nonlinear term cancellation according to claim 1, characterized in that: The first mover assembly and the second mover assembly are subjected to a 2N force F 1,j and F 2,j ,j=1,2,3,…,N,N<=100;Each component force F 1,j and F 2,j Both contain two parts, one is the linear term of the excitation current i, and the other is the nonlinear term of the excitation current i: For the first mover component, F 第一动子组件,linear =K*i; F 第一动子组件,nonlinear = F1,nonlinear +F 2,nonlinear =0+0=0; For the second moving subassembly, according to the fact that the action force is equal to the reaction force, we have: F 第二动子组件,linear =K*i=-K*i; F 第二动子组件,nonlinear =F 1,nonlinea r+F 2,nonlinear =0+0=0, where K is a function of the production parameters of the oscillator itself; That is, the nonlinear terms in the component forces of the first moving subassembly and the second moving subassembly are completely or partially offset, and the final total force ∑i(F 1,i +F 2,i ), the total force partially or completely cancels out the nonlinear term of the current, and the linear terms are superimposed on each other and become larger, so as to obtain the hybrid vibrator of the moving iron and moving magnetic coil that cancels out the nonlinear term.

5. The method for manufacturing a moving-iron and moving-coil magnetic hybrid vibrator with nonlinear term cancellation according to claim 1, characterized in that: The iron core combination structure includes an iron core and a first magnetic conductor or a first non-magnetic conductor; the coil-magnet combination structure includes a coil, a magnet, and a second magnetic conductor or a second non-magnetic conductor.

6. The method for manufacturing a moving-iron and moving-coil magnetic hybrid vibrator with nonlinear term cancellation according to claim 1, characterized in that: The coil-magnet combination structure includes a coil part, a magnet part and a second magnetic conductor or a second non-magnetic conductor. The magnet part is a single magnet or a combination of multiple magnets. The overall magnetic field formed by the magnets in the combination is equivalent to a single magnet. The magnetic field formed by the magnets in the combination is in the same direction as a dominant magnetic field. If the magnetic field strengths of the multiple magnets are quite different, the magnetic field directions of these magnets may be opposite to each other, but the overall magnetic field direction is the same as the dominant magnetic field direction, so that the overall magnetic field generated by them can be equivalent to that generated by a single magnet part. Usually, the magnets are connected by bonding, welding, embedding, screws, spirals, riveting, latches, snaps, clamps, brackets, sleeves, glands or other methods through a hard structure or a soft structure between the magnets, or on the edge of the magnets, or around the magnets, or even if there is no structure.

7. The method for manufacturing a moving-iron and moving-coil magnetic hybrid vibrator with nonlinear term cancellation according to claim 6, characterized in that: The coil part is a single coil or a combination of multiple coils, and the overall magnetic field generated by it is equivalent to the magnetic field generated by a single coil. The magnetic field generated by the coils in the combination has the same direction as the magnetic field generated by a main coil. If the magnetic field strengths generated by the multiple coils are quite different, the directions of the magnetic fields generated by these coils may be opposite, but the overall magnetic field direction is the same as the magnetic field generated by the main coil, so that the overall magnetic field generated by it can be equivalent to the current generated in a single coil part. Usually, the coils are connected by bonding, welding, embedding, screws, spirals, riveting, latches, buckles, clamps, brackets, sleeves, glands or other methods through a hard or soft structural part between the coils, or at the edge of the coils, or around the coils, or even if there is no structural part, the coils are connected by bonding, welding, embedding, screws, spirals, riveting, latches, buckles, clamps, brackets, sleeves, glands or other methods.

8. The method for manufacturing a moving-iron and moving-coil magnetic hybrid vibrator with nonlinear term cancellation according to claim 2, characterized in that: The first mover assembly and the second mover assembly are arranged in a concave-convex staggered manner and interlocked with each other. The main magnetic force line closed curve of the coil and the main magnetic force line closed curve of the permanent magnet alternately pass through the first mover assembly and the second mover assembly respectively.

9. The method for manufacturing a moving-iron and moving-coil magnetic hybrid vibrator with nonlinear term cancellation according to claim 2, characterized in that: The following conditions are also included: (3.1): Looking outward from the center, the permanent magnet is outside and the coil is inside; (3.2): (N 磁 ,N 圈 )=(j,j+1)*n;j=1,2,3…;n is a natural number, n=1,2,3…;(3.4): When N 磁 >1, the polarities of the two end faces adjacent to the permanent magnet are the same; when N 圈 >1, the directions of the currents in adjacent coils are opposite, and the polarities of the electromagnetic fields of the two adjacent end faces of two adjacent coils are the same; (3.4): If multiple permanent magnets are arranged symmetrically, the corresponding sizes and magnetic parameters of the symmetrical permanent magnets are the same; (3.5): If multiple coils are arranged symmetrically, the sizes and current values ​​of the symmetrical coils are the same.

10. The method for manufacturing a moving-iron and moving-coil magnetic hybrid vibrator with nonlinear term cancellation according to claim 2, characterized in that: The following conditions are also included: (3.1): Looking outward from the center, the permanent magnet is outside and the coil is inside; (3.2): (N 磁 ,N 圈 )=(j+1,j)*n;j=1,2,3…;n is a natural number, n=1,2,3…;(3.3): When N 磁 >1, the polarities of the two end faces adjacent to the permanent magnet are the same; when N 圈 >1, the directions of the currents in adjacent coils are opposite, and the polarities of the electromagnetic fields of the two adjacent end faces of two adjacent coils are the same; (3.4): If multiple permanent magnets are arranged symmetrically, the corresponding sizes and magnetic parameters of the symmetrical permanent magnets are the same; (3.5): If multiple coils are arranged symmetrically, the sizes and current values ​​of the symmetrical coils are the same.

11. The method for manufacturing a moving-iron and moving-coil magnetic hybrid vibrator with nonlinear term cancellation according to claim 2, characterized in that: A magnetic conductor is used at the shell near the coil to minimize the magnetic resistance of the magnetic circuit of the electromagnet formed by the coil; the permanent magnets in the magnet assembly are isolated by magnetic conductors; a yoke is used around the coil and the permanent magnet, or a magnetic outer cylinder is used for the coil assembly and the shell near the coil.

12. The method for manufacturing a moving-iron and moving-coil magnetic hybrid vibrator with nonlinear term cancellation according to claim 4, characterized in that: Among them, SD 1,2 , S D2,2 The magnetic domains D 1,2 and D 2,2 The area of ​​the corresponding annular end surface; F: electromagnetic attraction; B m : Magnetic flux density or magnetic induction intensity; The magnetic flux passing through the medium; S m : The magnetic field lines pass through the magnetic pole area; μ0: air magnetic permeability; G i : The magnetic permeability of the magnetic circuit formed by the electromagnetic field generated by the current; N: number of coil turns; C y2y : The force between the magnet or yoke and the magnet or yoke.

13. A nonlinear term canceling moving-iron moving-coil magnetic hybrid vibrator device, which adopts the nonlinear term canceling moving-iron moving-coil magnetic hybrid vibrator manufacturing method of claim 10, characterized in that: The vibrator body comprises a first vibration transmitting plate and a second vibration transmitting plate of the vibrator body, a first movable subassembly and a second movable subassembly, the first movable subassembly comprises an iron core combination structure, the second movable subassembly comprises a coil-magnet combination structure, the first movable subassembly is arranged in an outer cylinder, the second movable subassembly is arranged in the outer cylinder and is located outside the first movable subassembly, the first movable subassembly and the first vibration transmitting plate are fixedly connected through at least one position, the second movable subassembly and the second vibration transmitting plate are fixedly connected through at least one position, the iron core combination structure comprises an iron core and a first magnetic conductor or a first non-magnetic conductor, the coil-magnet combination structure comprises a coil, a permanent magnet and a second magnetic conductor or a second non-magnetic conductor, looking from the center outward, the coil is inside and the permanent magnet is outside, there are two permanent magnets, the polarities of the two opposite end faces of the adjacent permanent magnets are the same, there is one coil, the first vibration transmitting plate is fixed on the outer cylinder On the top surface, one end of the iron core is fixed to the middle of the first vibration transmission plate, and the other end of the iron core is fixedly provided with a first magnetic conductor or a first non-magnetic conductor, an inner cylinder is provided on the inner side of the outer cylinder, and the second magnetic conductor or the second non-magnetic conductor is fixed to the middle of the inner wall of the inner cylinder, and the two permanent magnets are respectively fixed on both sides of the second magnetic conductor or the second non-magnetic conductor, and the coil is fixed on the second magnetic conductor or the second non-magnetic conductor, and magnetic conductive rings are fixedly provided on the outer sides of the two permanent magnets, and the second vibration transmission plate is fixed on the bottom surface of the outer cylinder, and the inner cylinder is fixedly connected to the second vibration transmission plate through a vibration transmission bracket, and the first mover assembly and the second mover assembly are arranged in a staggered and convex shape, and the main magnetic force line closed curve of the coil and the main magnetic force line closed curve of the permanent magnet alternately pass through the first mover assembly and the second mover assembly respectively, and there are 2N magnetic domains inside the vibrator body, and the magnetic domains are combined in pairs, which are defined as magnetic domain D 1,i and D 2,i , where i = 1, 2, 3, ..., N, the main magnetic force line closed curve of the coil and the main magnetic force line closed curve of the permanent magnet respectively cross the magnetic force domain D 1,i and D 2,i , and in the magnetic domain D 1,i In the magnetic field of the coil, the direction of the magnetic field of the permanent magnet is the same, and in the magnetic field D 2,i In the magnetic field, the direction of the magnetic field lines of the coil is opposite to the direction of the magnetic field lines of the permanent magnet; in the magnetic field D 1,i In the magnetic field of the coil, the direction of the magnetic field of the permanent magnet is opposite to that of the magnetic field of the permanent magnet, and in the magnetic field D 2,i In the embodiment, the direction of the magnetic lines of force of the coil is the same as the direction of the magnetic lines of force of the permanent magnet.

14. A nonlinear term canceling moving-iron moving-coil magnetic hybrid vibrator device, which adopts the nonlinear term canceling moving-iron moving-coil magnetic hybrid vibrator manufacturing method of claim 10, characterized in that: The present invention comprises a vibrator body, a first vibration transmission plate and a second vibration transmission plate of the vibrator body, a first movable subassembly and a second movable subassembly, the first movable subassembly comprising an iron core combination structure, the second movable subassembly comprising a coil-magnet combination structure, the first movable subassembly is arranged in an outer cylinder, the second movable subassembly is arranged in the outer cylinder and is located outside the first movable subassembly, the first movable subassembly and the first vibration transmission plate are fixedly connected through at least one position, the second movable subassembly and the second vibration transmission plate are fixedly connected through at least one position, the iron core combination structure comprises an iron core and a first magnetic conductor or a first non-magnetic conductor, the coil-magnet combination structure comprises a magnet, a coil and a second magnetic conductor or a second non-magnetic conductor, looking from the center outward, the coil is inside and the permanent magnet is outside, the number of the permanent magnets is two, the polarities of the two opposite end faces of the adjacent permanent magnets are the same, the number of the coil is one, the first vibration transmission plate is fixed on the bottom surface of the outer cylinder, one end of the iron core is fixed on the first transmission plate The middle part of the vibration plate, the first magnetic conductor or the first non-magnetic conductor is fixed on the iron core, the second vibration plate and the first vibration plate are an integral structure, and the second vibration plate extends obliquely from the periphery of the plane where the first vibration plate is located toward the inner wall of the outer cylinder, an inner cylinder is arranged in the outer cylinder, the second magnetic conductor or the second non-magnetic conductor is fixed in the middle of the inner wall of the inner cylinder, the two permanent magnets are respectively fixed on both sides of the second magnetic conductor or the second non-magnetic conductor, and magnetic rings are fixed on the outer sides of the two permanent magnets, the coil is fixed on the second magnetic conductor or the second non-magnetic conductor, one of the magnetic rings is fixed on the second vibration plate, the first mover assembly and the second mover assembly are arranged in a staggered manner with concave and convex shapes, the main magnetic field line closed curve of the coil and the main magnetic field line closed curve of the permanent magnet alternately pass through the first mover assembly and the second mover assembly respectively, and there are 2N magnetic domains inside the vibrator body, and the magnetic domains are combined in pairs, which are defined as magnetic domain D 1,i and D 2,i , where i = 1, 2, 3, ..., N, the main magnetic force line closed curve of the coil and the main magnetic force line closed curve of the permanent magnet respectively cross the magnetic force domain D 1,i and D 2,i , and in the magnetic domain D 1,i In the magnetic field of the coil, the direction of the magnetic field of the permanent magnet is the same, and in the magnetic field D 2,i In the magnetic field, the direction of the magnetic field lines of the coil is opposite to the direction of the magnetic field lines of the permanent magnet; in the magnetic field D 1,i In the magnetic field of the coil, the direction of the magnetic field of the permanent magnet is opposite to that of the magnetic field of the permanent magnet, and in the magnetic field D 2,i In the embodiment, the direction of the magnetic lines of force of the coil is the same as the direction of the magnetic lines of force of the permanent magnet.

15. A nonlinear term canceling moving-iron moving-coil magnetic hybrid vibrator device, which adopts the nonlinear term canceling moving-iron moving-coil magnetic hybrid vibrator manufacturing method of claim 10, characterized in that: The vibrator body comprises a first vibration transmitting plate and a second vibration transmitting plate of the vibrator body, a first movable subassembly and a second movable subassembly, the first movable subassembly comprises an iron core combination structure, the second movable subassembly comprises a coil magnet combination structure, the first movable subassembly is arranged in an outer cylinder, the second movable subassembly is arranged in the outer cylinder and is located outside the first movable subassembly, the first movable subassembly is fixedly connected to the first vibration transmitting plate through at least one position, the second movable subassembly is fixedly connected to the second vibration transmitting plate through at least one position, the first vibration transmitting plate is a first double spring vibration transmitting plate device, the first double spring vibration transmitting plate The device includes a first vertical portion and a first bent portion extending along the outer periphery of the plane where the first vertical portion is located and inclined toward the inner wall of the outer cylinder; the second vibration transmitting plate is a first double-spring vibration transmitting plate device, and the second double-spring vibration transmitting plate device includes a second vertical portion and a second bent portion extending along the outer periphery of the plane where the second vertical portion is located and inclined toward the inner wall of the outer cylinder. The iron core combination structure includes an iron core and a first magnetic conductor or a first non-magnetic conductor, and the coil-magnet combination structure includes a permanent magnet, a coil, and a second magnetic conductor or a second non-magnetic conductor. Looking from the center to the outside, the coil is inside, the permanent magnet is outside, and the permanent magnet is Two, the polarities of the two end faces opposite to the adjacent permanent magnets are the same, the coil is one, the first double spring vibration transmission piece device is fixed on the top surface of the outer cylinder, the second double spring vibration transmission piece device is fixed on the bottom surface of the outer cylinder, the two ends of the iron core are respectively fixed on the first vertical part of the first double spring vibration transmission piece device and the second vertical part of the second double spring vibration transmission piece device, the first magnetic conductor or the first non-magnetic conductor is fixed on the iron core, the inner side of the outer cylinder is provided with an inner cylinder, the second magnetic conductor or the second non-magnetic conductor is fixed on the middle part of the inner wall of the inner cylinder, and the two permanent magnets are respectively fixed on the second magnetic conductor or both sides of the second non-magnetic conductive body, the coil is fixedly arranged on the second magnetic conductive body or the second non-magnetic conductive body, a magnetic conductive ring is fixedly arranged on the outer sides of the two permanent magnets, and the two magnetic conductive rings are respectively on the first bending part of the first double spring vibration transmission piece device and the second bending part of the second double spring vibration transmission piece device, the first mover assembly and the second mover assembly are arranged in a staggered manner with concave and convex shapes, the main magnetic force line closed curve of the coil and the main magnetic force line closed curve of the permanent magnet alternately pass through the first mover assembly and the second mover assembly respectively, and there are 2N magnetic domains inside the vibrator body, and the magnetic domains are combined in pairs, which are defined as magnetic domain D 1,i and D 2,i , where i = 1, 2, 3, ..., N, the main magnetic force line closed curve of the coil and the main magnetic force line closed curve of the permanent magnet respectively cross the magnetic force domain D 1,i and D 2,i , and in the magnetic domain D 1,i In the magnetic field of the coil, the direction of the magnetic field of the permanent magnet is the same, and in the magnetic field D 2,i In the magnetic field, the direction of the magnetic field lines of the coil is opposite to the direction of the magnetic field lines of the permanent magnet; in the magnetic field D1,i In the magnetic field, the direction of the magnetic field lines of the coil is opposite to that of the permanent magnet, and in the magnetic field D2,i In the embodiment, the direction of the magnetic lines of force of the coil is the same as the direction of the magnetic lines of force of the permanent magnet.

16. A nonlinear term canceling moving-iron moving-coil magnetic hybrid vibrator device, which adopts the nonlinear term canceling moving-iron moving-coil magnetic hybrid vibrator manufacturing method of claim 9, characterized in that: The vibrator body comprises a first vibration transmitting plate and a second vibration transmitting plate of the vibrator body, a first movable subassembly and a second movable subassembly, the first movable subassembly comprises an iron core combination structure, the second movable subassembly comprises a coil magnet combination structure, the first movable subassembly is arranged in an outer cylinder, the second movable subassembly is arranged in the outer cylinder and is located outside the first movable subassembly, the first movable subassembly is fixedly connected to the first vibration transmitting plate through at least one position, the second movable subassembly is fixedly connected to the second vibration transmitting plate through at least one position, the iron core combination structure comprises an iron core and a first magnetic conductor or a first non-magnetic conductor, the coil magnet combination structure comprises a magnet, a coil and a second magnetic conductor or a second non-magnetic conductor, looking from the center outward, the coil is inside, the permanent magnet is outside, there are two coils, the directions of currents in adjacent coils are opposite, the electromagnetic field formed by the two adjacent coils, the magnetic field polarities of the two adjacent end faces are the same, there is one permanent magnet, One end of the iron core is fixed to the middle of the first vibration transmission plate, the other end of the iron core is fixed with a first magnetic ring, the middle of the iron core is provided with a first magnetic conductor or a first non-magnetic conductor, an inner cylinder is provided on the inner side of the outer cylinder, the permanent magnet is fixed to the middle of the inner wall of the inner cylinder, the second magnetic conductor or the second non-magnetic conductor is fixed on both sides of the permanent magnet, the coil is fixed on the two second magnetic conductors or the second non-magnetic conductors, the second vibration transmission plate is fixed to the bottom surface of the outer cylinder, the inner cylinder is fixedly connected to the second vibration transmission plate through a vibration transmission bracket, the first magnetic conductor or the first non-magnetic conductor is located between the two coils, the first mover assembly and the second mover assembly are arranged in a staggered and convex shape, the main magnetic field line closed curve of the above coil and the main magnetic field line closed curve of the permanent magnet alternately pass through the first mover assembly and the second mover assembly respectively, and there are 2N magnetic domains inside the vibrator body, and the magnetic domains are combined in pairs, which are defined as magnetic domain D 1,i and D 2,i , where i = 1, 2, 3, ..., N, the main magnetic force line closed curve of the coil and the main magnetic force line closed curve of the permanent magnet respectively cross the magnetic force domain D 1,i and D 2,i , and in the magnetic domain D 1,i In the magnetic field of the coil, the direction of the magnetic field of the permanent magnet is the same, and in the magnetic field D 2,i In the magnetic field, the direction of the magnetic field lines of the coil is opposite to the direction of the magnetic field lines of the permanent magnet; in the magnetic field D 1,i In the magnetic field of the coil, the direction of the magnetic field of the permanent magnet is opposite to that of the magnetic field of the permanent magnet, and in the magnetic field D 2,i In the embodiment, the direction of the magnetic lines of force of the coil is the same as the direction of the magnetic lines of force of the permanent magnet.

17. A nonlinear term canceling moving-iron moving-coil magnetic hybrid vibrator device, which adopts the nonlinear term canceling moving-iron moving-coil magnetic hybrid vibrator manufacturing method of claim 9, characterized in that: The invention comprises a vibrator body, a first vibration transmitting plate and a second vibration transmitting plate of the vibrator body, a first movable subassembly and a second movable subassembly, the first movable subassembly comprising an iron core combination structure, the second movable subassembly comprising a coil-magnet combination structure, the first movable subassembly being arranged in an outer cylinder, the second movable subassembly being arranged in the outer cylinder and being located outside the first movable subassembly, the first movable subassembly and the first vibration transmitting plate are fixedly connected through at least one position, the second movable subassembly and the second vibration transmitting plate are fixedly connected through at least one position, the iron core combination structure comprises an iron core and a first magnetic conductor or a first non-magnetic conductor, the coil-magnet combination structure comprises a magnet, a coil and a second magnetic conductor or a second non-magnetic conductor, looking outward from the center, the coil is inside and the permanent magnet is outside, there are two coils, the directions of currents in adjacent coils are opposite, for the electromagnetic field formed by the two adjacent coils, the magnetic field polarities of the two adjacent end faces are the same, there is one permanent magnet, the first vibration transmitting plate is fixed on the bottom surface of the outer cylinder, one end of the iron core is fixed on the first The middle part of the vibration transmission plate, the other end of the iron core is fixedly provided with a first magnetic conductive ring, the middle part of the iron core is provided with a first magnetic conductive body or a first non-magnetic conductive body, the inner side of the outer cylinder is provided with an inner cylinder, the permanent magnet is fixed at the middle part of the inner wall of the inner cylinder, the second magnetic conductive body or the second non-magnetic conductive body is fixed on both sides of the permanent magnet, the second magnetic conductive body or the second non-magnetic conductive body is fixedly provided with the coil, the second vibration transmission plate and the first vibration transmission plate are an integral structure, and the second vibration transmission plate extends obliquely from the outer periphery of the plane where the first vibration transmission plate is located toward the inner wall of the outer cylinder, one of the second magnetic conductive bodies or the second non-magnetic conductive body is fixed on the second vibration transmission plate, the first magnetic conductive body or the first non-magnetic conductive body is located between the two coils, the first movable subassembly and the second movable subassembly are arranged in a staggered manner with concave and convex shapes, the main magnetic force line closed curve of the above-mentioned coil and the main magnetic force line closed curve of the permanent magnet alternately pass through the first movable subassembly and the second movable subassembly respectively, and there are 2N magnetic domains inside the vibrator body, and the magnetic domains are combined in pairs, which are defined as magnetic domain D 1,i and D 2,i , where i = 1, 2, 3, ..., N, the main magnetic force line closed curve of the coil and the main magnetic force line closed curve of the permanent magnet respectively cross the magnetic force domain D 1,i and D 2,i , and in the magnetic domain D 1,i In the magnetic field of the coil, the direction of the magnetic field of the permanent magnet is the same, and in the magnetic field D 2,i In the magnetic field, the direction of the magnetic field lines of the coil is opposite to the direction of the magnetic field lines of the permanent magnet; in the magnetic field D 1,i In the magnetic field of the coil, the direction of the magnetic field of the permanent magnet is opposite to that of the magnetic field of the permanent magnet, and in the magnetic field D 2,i In the embodiment, the direction of the magnetic lines of force of the coil is the same as the direction of the magnetic lines of force of the permanent magnet.

18. A nonlinear term canceling moving-iron moving-coil magnetic hybrid vibrator device, adopting the nonlinear term canceling moving-iron moving-coil magnetic hybrid vibrator manufacturing method of claim 9, characterized in that: The vibrator body comprises a first vibration transmitting plate and a second vibration transmitting plate of the vibrator body, a first movable subassembly and a second movable subassembly, wherein the first movable subassembly comprises an iron core combination structure, the second movable subassembly comprises a coil magnet combination structure, the first movable subassembly is arranged in an outer cylinder, the second movable subassembly is arranged in the outer cylinder and is located outside the first movable subassembly, the first movable subassembly is fixedly connected to the first vibration transmitting plate through at least one position, the second movable subassembly is fixedly connected to the second vibration transmitting plate through at least one position, the first vibration transmitting plate is a first double spring vibration transmitting plate device, the first double spring vibration transmitting plate device comprises a first vertical portion and a plane along which the first vertical portion is located The first bending portion is inclined at the periphery and extends toward the inner wall of the outer cylinder; the second vibration transmitting plate is a second double spring vibration transmitting plate device, the second double spring vibration transmitting plate device includes a second vertical portion and a second bending portion extending along the periphery of the plane where the second vertical portion is located and inclined toward the inner wall of the outer cylinder; the first double spring vibration transmitting plate device is fixed on the top surface of the outer cylinder, and the second double spring vibration transmitting plate device is fixed on the bottom surface of the outer cylinder; the iron core combination structure includes an iron core and a first magnetic conductor or a first non-magnetic conductor; the coil-magnet combination structure includes a magnet, a coil and a second magnetic conductor or a second non-magnetic conductor; looking from the center to the outside, the coil is inside, the permanent magnet is outside, and the permanent magnet is outside. There is one magnet and two coils. The directions of the currents in adjacent coils are opposite. The electromagnetic field formed by the two adjacent coils has the same magnetic field polarity at the two adjacent end faces. The first double spring vibration transmission piece device is fixed on the top surface of the outer cylinder, and the second double spring vibration transmission piece device is fixed on the bottom surface of the outer cylinder. The two ends of the iron core are respectively fixed on the first vertical part of the first double spring vibration transmission piece and the second vertical part of the second double spring vibration transmission piece. A first magnetic conductive ring is provided on one side of the iron core. The first magnetic conductive body or the first non-magnetic conductive body is fixed on the middle part of the iron core. An inner cylinder is provided on the inner side of the outer cylinder. The permanent magnet is fixed on the middle part of the inner wall of the inner cylinder. The second magnetic conductive body or the second non-magnetic conductive body The coil is fixed on both sides of the permanent magnet, and the second magnetic conductor or the second non-magnetic conductor is fixed on the first bending part of the first double-spring vibration transmission piece device and the second bending part of the second double-spring vibration transmission piece device, respectively. The first magnetic conductor or the first non-magnetic conductor is located between the two coils, and the first mover assembly and the second mover assembly are arranged in a staggered manner with concave and convex shapes. The main magnetic force line closed curve of the coil and the main magnetic force line closed curve of the permanent magnet alternately pass through the first mover assembly and the second mover assembly, respectively. There are 2N magnetic domains inside the vibrator body, and the magnetic domains are combined in pairs, which are defined as magnetic domain D 1,i and D 2,i , where i = 1, 2, 3, ..., N, the main magnetic force line closed curve of the coil and the main magnetic force line closed curve of the permanent magnet respectively cross the magnetic force domain D 1,i and D 2,i , and in the magnetic domain D 1,i In the magnetic field of the coil, the direction of the magnetic field of the permanent magnet is the same, and in the magnetic field D 2,i In the magnetic field, the direction of the magnetic field lines of the coil is opposite to the direction of the magnetic field lines of the permanent magnet; in the magnetic field D 1,i In the magnetic field of the coil, the direction of the magnetic field of the permanent magnet is opposite to that of the magnetic field of the permanent magnet, and in the magnetic field D 2,i In the embodiment, the direction of the magnetic lines of force of the coil is the same as the direction of the magnetic lines of force of the permanent magnet.

19. Application of the method for manufacturing a moving-iron and moving-coil magnetic hybrid vibrator with nonlinear term cancellation according to any one of claims 1 to 12, characterized in that: The hybrid oscillator with nonlinear terms offsetting the moving iron and moving magnetic coil obtained by the above-mentioned manufacturing method is applied to bone conduction headphones, bone conduction glasses, wired headphones, wireless headphones, AR glasses, VR glasses, smart watches, smart bracelets, head-mounted devices, wearable devices, smart phones, game controllers, game headphones, game steering wheels, game pedals, mice, keyboards, touch screens, electrical control panels, touch devices, screen sound devices, vehicle-mounted tactile feedback devices, smart cockpits, game chairs, massage chairs, massagers, tactile feedback vests, tactile feedback gloves, tactile feedback belts, tactile feedback leg devices, auxiliary hearing aids, sleep aids or tactile feedback network interconnection devices.

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