Electromagnetic shock absorber, suspension system and automobile

Abstract

The utility model provides an electromagnetic shock absorber, a suspension system and an automobile. The electromagnetic shock absorber comprises a rotor and a stator. One of the rotor and the stator is suitable for being connected with a wheel, and the other is suitable for being connected with a vehicle body; the rotor comprises a main body and a first magnetic part arranged on the main body, and an accommodating cavity is formed in the main body; the stator comprises a second magnetic part, a fixing frame, a first connecting rod and a second connecting rod, the second magnetic part is arranged on the fixing frame, the fixing frame is contained in the containing cavity, the two ends of the fixing frame are connected with the first connecting rod and the second connecting rod, and the stator and the rotor can move relatively under the action of the first magnetic part and the second magnetic part; a first through hole and a second through hole are formed in the main body; the first connecting rod penetrates through the first through hole, and the second connecting rod penetrates through the second through hole; when the main body is subjected to external force, the axle drives the rotor to move relative to the stator, the first through hole and the second through hole play a guiding role, the stability of the electromagnetic shock absorber can be improved, and therefore the shock absorption effect of the electromagnetic shock absorber is guaranteed.

Description

[0001] The utility model claims the priority of the Chinese patent application with the application number 202311870009.3, the filing date of December 29, 2023, and the invention name "Electromagnetic Damper, Suspension System and Automobile" to the State Intellectual Property Office of the People's Republic of China, the whole content of which is incorporated herein by reference. TECHNICAL FIELD

[0002] The present application relates to the technical field of automobiles, in particular to an electromagnetic damper, a suspension system and an automobile. BACKGROUND

[0003] In recent years, with the rapid development of electric vehicles and 5G communication, the performance requirements of the suspension system are also increasing. The electromagnetic damper is a new type of damping device that uses electromagnetic reaction to quickly respond to vibrations, suppress vibrations and maintain vehicle stability. The existing electromagnetic damper is prone to shaking during operation, affecting the damping effect and the service life of the electromagnetic damper. CONTENT OF THE UTILITY MODEL

[0004] Through long-term practice, it is found that the existing electromagnetic damper often has the structure that one end of the stator is arranged inside the cylinder, which causes the damper to have only one end for guiding. The stator is prone to deviation or shaking during movement, affecting the damping effect and causing damage to the damper stator, which affects the service life of the electromagnetic damper. The purpose of the utility model is to provide an electromagnetic damper, a suspension system and an automobile to at least solve the above technical problems in the prior art.

[0005] Therefore, the utility model provides an electromagnetic damper, which comprises a mover and a stator. One of the mover and the stator is adapted to be connected with a wheel, and the other is adapted to be connected with a vehicle body. The mover comprises a main body and a first magnetic member arranged on the main body. The main body forms a receiving cavity. The stator comprises a second magnetic member, a fixing frame, a first connecting rod and a second connecting rod. The second magnetic member is arranged on the fixing frame, and the fixing frame is accommodated in the receiving cavity. The two ends of the fixing frame are connected with the first connecting rod and the second connecting rod, respectively. The stator and the mover can move relative to each other under the action of the first magnetic member and the second magnetic member. The main body is provided with a first through hole and a second through hole arranged oppositely. The first connecting rod is arranged in the first through hole, and the second connecting rod is arranged in the second through hole.

[0006] In one embodiment, the first magnetic member is a permanent magnet or an electromagnet, and the second magnetic member is a winding coil.

[0007] In one embodiment, a first guide is arranged on the first connecting rod; and / or, a second guide is arranged between the second through hole and the second connecting rod.

[0008] In one embodiment, the electromagnetic damper further comprises a first limiting member, which is arranged on a side of the first connecting rod from which the first connecting rod passes through the first through hole of the main body.

[0009] In one embodiment, the first connecting rod is connected to the vehicle body through a tower top, which is formed as the first limiting member.

[0010] In one embodiment, a first shock-absorbing block is connected to the first limiting member; the first shock-absorbing block is sleeved on the first connecting rod.

[0011] In one embodiment, an elastic member is connected between the tower top and the main body.

[0012] In one embodiment, a first shock-absorbing pad is arranged on the tower top; a second shock-absorbing pad is arranged on the outer wall of the main body, and the two ends of the elastic member are respectively connected to the first shock-absorbing pad and the second shock-absorbing pad.

[0013] In one embodiment, the electromagnetic damper further comprises a second limiting member, one end of the second connecting rod extends out of the accommodating cavity through the second through hole, and the second limiting member is formed on a side of the second connecting rod extending out of the accommodating cavity.

[0014] In one embodiment, a baffle is connected to the second connecting rod, and the baffle is configured as the second limiting member.

[0015] In one embodiment, a second shock-absorbing block is arranged on the second limiting member; the second shock-absorbing block is sleeved on the second connecting rod.

[0016] In one embodiment, the main body comprises a cylinder and a lower support; the cylinder and the lower support are connected to form the accommodating cavity; the cylinder is provided with the first through hole, and the lower support is provided with the second through hole.

[0017] In one embodiment, a fork arm is formed at an end of the lower support away from the cylinder, the fork arm is adapted to be connected to a wheel, and the second limiting member is located in the fork arm.

[0018] In one embodiment, the lower support and the cylinder are detachably connected.

[0019] In one embodiment, a height grating is connected to one side of the first connecting rod; a height sensor is arranged at an end of the cylinder away from the second connecting rod, and the height sensor is used to detect the height grating.

[0020] In one embodiment, the end of the barrel is provided with a groove recessed from the outer wall of the end of the barrel to one end of the accommodating cavity, and the height sensor is arranged in the groove.

[0021] In one embodiment, the first connecting rod, the fixing frame and the second connecting rod are an integral piece.

[0022] Another aspect of the present disclosure provides a suspension system comprising the electromagnetic shock absorber.

[0023] Another aspect of the present disclosure also provides an automobile comprising the suspension system.

[0024] The utility model provides a kind of electromagnetic shock absorber, including rotor and stator;One of rotor and stator is suitable for being connected with wheel, and the other is suitable for being connected with vehicle body;Rotor includes main body and the first magnetic piece being set on main body, and main body is formed with accommodating cavity;Stator includes second magnetic piece, fixing frame, first connecting rod and second connecting rod, second magnetic piece is set on fixing frame, fixing frame is accommodated in accommodating cavity, and the both ends of fixing frame are connected with first connecting rod and second connecting rod respectively, and stator and rotor can be relatively moved under the action of first magnetic piece and second magnetic piece;First through hole and second through hole are arranged on main body in opposite arrangement;First connecting rod is arranged in first through hole, and second connecting rod is arranged in second through hole;When axle drives rotor to move relative to stator under the action of external force to main body, first connecting rod and second connecting rod are guided by first through hole and second through hole, the stability of electromagnetic shock absorber can be improved, so as to guarantee the damping effect of electromagnetic shock absorber.

[0025] Other features and advantages of the utility model will be described in detail in the subsequent specific implementation manner part. BRIEF DESCRIPTION OF DRAWINGS

[0026] The accompanying drawings, which form a part of this description, are included to provide a further understanding of the application. It is expressly understood that the drawings are included solely for purposes of illustrating the

[0027] Figure 1 It is a structure schematic view of the electromagnetic shock absorber of the utility model embodiment;

[0028] Figure 2 It is the second shock absorbing block schematic view of the electromagnetic shock absorber of the utility model embodiment.

[0029] Explanation of the drawings:

[0030] 1. Tower top fixing bolt; 2. Bushing upper end cover; 3. Tower top; 4. Upper locking nut; 5. First damping pad; 6. First layer damping part; 7. Bushing; 8. Elastic element; 9. First connecting rod; 10. First damping block; 11. Upper guide bearing fixing bolt; 12. First guide element; 13. Height sensor; 14. Cylinder; 15. Height grating; 16. Second damping pad; 17. Permanent magnet; 18. Winding coil; 19. Second guide element; 20. Lower bracket; 21. Mounting bolt; 22. Second damping block; 23. Baffle; 24. Lower fastening nut. Detailed Implementation

[0031] The specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for illustration and explanation only and are not intended to limit the scope of this utility model.

[0032] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of the present invention.

[0033] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this utility model are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate for the embodiments of the utility model described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or device that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or devices. "Fixed" or "fixed connection" generally refers to common mechanical connection methods, such as threaded connections, welding, or bonding.

[0034] Figure 1 This is a schematic diagram of the structure of an electromagnetic vibration damper according to an embodiment of the present invention; Figure 2 This is a schematic diagram of the second damping block of an electromagnetic vibration damper according to an embodiment of this utility model. Please refer to it. Figure 1 and Figure 2 .

[0035] The utility model provides to be aimed at putting forward an electromagnetic shock absorber, including mover and stator, one of mover and stator is suitable for connecting with the wheel, and the other is suitable for connecting with the car body, the mover includes the main part and sets up the first magnetic piece on the main part, and the main part forms has the accommodation cavity, the stator includes the second magnetic piece, fixed frame, first connecting rod 9 and second connecting rod, the second magnetic piece sets up on the fixed frame, and the fixed frame is accommodated in the accommodation cavity, and both ends of fixed frame are connected with first connecting rod 9 and second connecting rod respectively, and the stator can move relative with the mover under the action of the first magnetic piece and the second magnetic piece, the main part is provided with the first through hole and the second through hole of relative setting, first connecting rod 9 is threaded in the first through hole, and second connecting rod is threaded in the second through hole.

[0036] The utility model provides to be aimed at putting forward an electromagnetic shock absorber, including mover and stator, one of mover and stator is suitable for connecting with the wheel, and the other is suitable for connecting with the car body, the mover includes the main part and sets up the first magnetic piece on the main part, and the main part forms has the accommodation cavity, the stator includes the second magnetic piece, fixed frame, first connecting rod 9 and second connecting rod, the second magnetic piece sets up on the fixed frame, and the fixed frame is accommodated in the accommodation cavity, and both ends of fixed frame are connected with first connecting rod 9 and second connecting rod respectively, and the stator can move relative with the mover under the action of the first magnetic piece and the second magnetic piece, the main part is provided with the first through hole and the second through hole of relative setting, first connecting rod 9 is threaded in the first through hole, and second connecting rod is threaded in the second through hole, when the axle drives the mover to move relative with the stator under the action of external force to the main part, the first connecting rod 9 and second connecting rod are guided through the first through hole and the second through hole, can promote the stability of electromagnetic shock absorber, to guarantee the damping effect of electromagnetic shock absorber.

[0037] The utility model provides to be aimed at putting forward an electromagnetic shock absorber, including mover and stator, one of mover and stator is suitable for connecting with the wheel, and the other is suitable for connecting with the car body, the mover includes the main part and sets up the first magnetic piece on the main part, and the main part forms has the accommodation cavity, the stator includes the second magnetic piece, fixed frame, first connecting rod 9 and second connecting rod, the second magnetic piece sets up on the fixed frame, and the fixed frame is accommodated in the accommodation cavity, and both ends of fixed frame are connected with first connecting rod 9 and second connecting rod respectively, and the stator can move relative with the mover under the action of the first magnetic piece and the second magnetic piece, the main part is provided with the first through hole and the second through hole of relative setting, first connecting rod 9 is threaded in the first through hole, and second connecting rod is threaded in the second through hole.

[0038] In the embodiments of the present disclosure, the electromagnetic shock absorber comprises a mover and a stator; by cooperating with one of the vehicle body and the vehicle wheel respectively, the relative motion can be realized, so that the first magnetic part corresponding to the mover cooperates with the second magnetic part of the stator to realize the damping effect. The mover comprises a main body and a first magnetic part, the first magnetic part is arranged on the main body, and the first magnetic part is a permanent magnet 17 or an electromagnet; the main body refers to the main component structure constituting the frame of the electromagnetic shock absorber, and the stator is installed in the main body. The main body can comprise a cylinder body 14 and a lower support 20; the lower support 20 is fastened to the cylinder body 14, and specifically, the lower support 20 can be fastened to the cylinder body 14 by the lower support 20 mounting bolt 21, the lower support 20 and the cylinder body 14 form a containing cavity, and specifically, the cylinder body 14 can form a cylindrical cavity, and the lower support 20 comprises a cylindrical cover body, the lower support 20 is fixed at the opening of the cylinder body 14 to close the cylinder body 14 to form the containing cavity. The containing cavity is used for containing the stator; specifically, the stator comprises a second magnetic part, a winding fixing frame, a first connecting rod 9 and a second connecting rod, and the second magnetic part is a winding coil 18. The first connecting rod 9 and the second connecting rod, the shape of the winding fixing frame matches the shape of the containing cavity, and a plurality of recesses for containing the winding coil 18 are formed on the winding fixing frame. After assembly, the whole can be cylindrical, and the length of the winding fixing frame is less than the length of the containing cavity, so that the winding fixing frame is contained in the containing cavity, and the winding coil 18 can reciprocate in the containing cavity. The winding coil 18 can comprise a winding fixing frame and a winding coil, and the winding coil is connected to the winding fixing frame to form the main component of the stator in the containing cavity. The winding fixing frame is connected to the first connecting rod 9 and the second connecting rod on both sides, and specifically, the first connecting rod 9, the winding fixing frame and the second connecting rod are sequentially connected as an integral part. Specifically, the first through hole is arranged on the cylinder body 14, and the second through hole is arranged on the lower support 20; the first connecting rod 9 is fastened to the vehicle body after penetrating through the first through hole; the second connecting rod is contained in the lower support 20 after penetrating through the second through hole. When the main body is subjected to external force, the axle drives the lower support 20 to drive the main body to move relative to the stator, so as to cooperate with the permanent magnet 17 on the inner wall of the cylinder body 14 to generate electromagnetic force with the winding coil to realize damping; the first connecting rod 9 and the second connecting rod are arranged through the structure outside the cylinder body 14, which can improve the space utilization of the electromagnetic shock absorber, improve the electromagnetic force, and effectively improve the assembly and maintenance convenience of the electromagnetic shock absorber.

[0039] Specifically, the lower support 20 can include a cover part and a support part, the cover part is used to connect with the cylinder 14, and the support part is used to connect with the axle. The lower support 20 is used to connect with the axle, and when the main body moves relative to the stator under the action of external force, the axle vibrates under the driving of the tire, the lower support 20 is driven to displace, thereby driving the cylinder 14 to displace synchronously. The permanent magnet 17 is connected inside the cylinder 14, and is used to cooperate with the winding coil 18 to generate electromagnetic force, so as to realize the damping effect. Further, one side of the first connecting rod 9 is connected with the height grating 15. The height sensor 13 is arranged on the side of the cylinder 14 facing the vehicle body, and is used to detect the height grating 15, so as to realize the detection of the bounce height of the shock absorber, and transmit the detected data to the vehicle-mounted processor, so that the vehicle-mounted processor sends corresponding instructions to the electromagnetic shock absorber, thereby controlling the electromagnetic shock absorber to react instantaneously, suppress vibration, and keep the vehicle body stable. Specifically, the height sensor 13 is arranged on the end of the cylinder 14 away from the second connecting rod, and is used to detect the height grating 15. Further, the end of the cylinder 14 is provided with a groove recessed from the outer wall of the end of the cylinder 14 to one end of the accommodating cavity, and the height sensor 13 is arranged in the groove. Thus, the height grating 15 is protected from damage during movement.

[0040] In one embodiment, the electromagnetic shock absorber further comprises a first limiting piece arranged on the side of the first connecting rod 9 passing through the first through hole from the main body.

[0041] In the embodiment of the present disclosure, the first connecting rod 9 is connected with the vehicle body through the tower top part 3, and the tower top part 3 is formed as a first limiting piece. The first limiting piece is connected with the first shock absorbing block 10, and the first shock absorbing block 10 is sleeved on the first connecting rod 9. The first limiting piece is used to limit the movement path of the main body towards the vehicle body.

[0042] Further, the top part 3 is connected with the main body through an elastic member 8, specifically, the elastic member 8 is arranged between the top part 3 and the cylinder 14. The first connecting rod 9 is connected with the top part 3, and the top part 3 is used to be connected with the vehicle body, specifically, the top part 3 is fixed on the vehicle body through the top fixing bolt 1; wherein the top part 3 comprises a bushing 7, a bushing upper end cover 2 and a tower top; the tower top is press-fitted together with the stator first connecting rod 9 through the interference fit of the bushing 7, and the upper end of the bushing 7 is locked and fixed after being pressed tightly by the upper locking nut 4; the stator is fastened on the bushing 7 through the upper locking nut 4 in the middle of the bushing 7; the top part 3 is connected with the cylinder 14 through the elastic member 8, and the elastic member 8 can be a spring. The spring is respectively abutted with the two, when the main body moves towards the top part 3 under the action of external force, the main body extrudes the elastic member 8, so that the elastic member 8 is in a compressed state, thereby providing a reverse force to the cylinder 14 through the elastic member 8 to reset it, and similarly, when the main body stretches the elastic member 8, the elastic member 8 can also provide a reverse force to the cylinder 14 to reset it. Specifically, the first shock pad 5 is connected between the top part 3 and the elastic member 8; the second shock pad 16 is connected between the elastic member 8 and the cylinder 14; that is, the elastic member 8 is fixed between the two shock pads, thereby absorbing the vibration of the cylinder 14 and the spring, and improving the driving experience of the user. Wherein the tower body is formed with a first abutting portion, the first shock pad 5 is abutted on the first abutting portion and is arranged towards the cylinder 14; further, the first shock pad 5 comprises a first layer of shock absorbing portion 6 and a second layer of shock absorbing portion, the elastic coefficients of the two shock pads can be set to be different, thereby absorbing the vibration through the cooperation of the two shock pads, thereby reducing the vibration of the vehicle, wherein the elastic coefficient is determined according to the actual vehicle, preferably, the elastic member with low elastic coefficient can be arranged at one end towards the cylinder 14. Similarly, the second abutting portion is also arranged on the cylinder 14, and the second shock pad 16 is connected on the second abutting portion and is arranged towards the tower top, and the second shock pad 16 can be one layer, thereby absorbing the vibration of the cylinder 14 and the spring, because the first shock pad 5 is connected with the vehicle body through the tower body, so the shock absorbing requirement is higher, and two layers of shock pads are arranged.

[0043] In one embodiment, the first limiting member is connected with the first shock block 10; the first shock block 10 is sleeved on the first connecting rod 9.

[0044] In the embodiment of the present disclosure, the first shock absorbing block 10 is press-fitted on the top of the tower, specifically, a groove is formed on the side of the tower body 14 facing the cylinder 14, and the first shock absorbing block 10 is press-fitted in the groove. The first position is the position reached after the main body jumps up to a certain distance in the process of the shock absorber jumping up, the distance is the position of the lower end of the first shock absorbing block 10 and the upper end of the cylinder 14 in the static state of the cylinder 14, and the first position is the position where the cylinder 14 just abuts against the first shock absorbing block 10. The cylinder 14 extrudes the first shock absorbing block 10, and the first shock absorbing block 10 exerts a reverse buffering force on the cylinder 14 to realize the buffering and limiting functions, thereby reducing the vibration brought to the vehicle body and improving the comfort of the vehicle. Similarly, the electromagnetic shock absorber also comprises a second limiting piece, one end of the second connecting rod extends out of the accommodating cavity through the second through hole, the second limiting piece is formed on one side of the second connecting rod extending out of the accommodating cavity, and the second limiting piece is provided with a second shock absorbing block 22; the second shock absorbing block 22 is sleeved on the second connecting rod. The second connecting rod is connected with a baffle 23, and the second shock absorbing block 22 is sleeved on the circumference of the second connecting rod, that is, the baffle 23 is tightly connected with the bottom end of the second connecting rod, and is further connected through a lower fastening nut 24. The baffle 23 is formed with a groove for press-fitting the second shock absorbing block 22 on the baffle 23. When the main body jumps down to the second position, the second shock absorbing block 22 is used for abutting against the lower support 20. The second position is the position reached after a certain distance is reached in the process of the shock absorber jumping down, the distance is the position of the lower end of the cylinder 14 and the upper end of the second shock absorbing block 22 in the static state of the cylinder 14, and the second position is the position where the cylinder 14 just abuts against the second shock absorbing block 22. The cylinder 14 extrudes the second shock absorbing block 22, and the second shock absorbing block 22 exerts a reverse buffering force on the cylinder 14 to realize the buffering and limiting functions, thereby making the running state of the vehicle as stable as possible, improving the driving stability of the vehicle and the comfort of the driver and passenger; wherein the first shock absorbing block 10 and the second shock absorbing block 22 are both consumable parts, and through the external setting of the first connecting rod 9 and the second connecting rod, the customer can visually observe the wear degree of the structure of the first shock absorbing block 10 and the second shock absorbing block 22 during the use of the vehicle, thereby timely maintenance; wherein the second shock absorbing block 22 is very vulnerable to bear the weight of the entire vehicle body, so through the external setting of the second shock absorbing block 22 below, the difficulty of maintenance is reduced, and the convenience of assembly is improved. Specifically, by setting the external structure, during maintenance, the shock absorber lower support 20 and other components do not need to be disassembled, and only the lower end locking nut and the baffle 23 need to be removed to complete the maintenance and replacement of the limiting block.

[0045] In one embodiment, the first through hole and the first connecting rod 9 are connected through the first guide piece 12; and the second through hole and the second connecting rod are connected through the second guide piece 19.

[0046] In the embodiment of the present disclosure, the first through hole is connected with the first connecting rod 9 through a first guide 12, which can be an upper guide bearing, and the first connecting rod 9 is arranged in the upper guide bearing and connected with the cylinder 14 through a fixing bolt 11; the second through hole is connected with the second connecting rod through a second guide 19, which is a lower guide bearing and is fixedly connected in the cylinder 14, and the second connecting rod is arranged in the lower guide bearing; the upper and lower connecting rods of the stator cooperate with the upper and lower guide bearings to realize the guiding function in the up-and-down jumping process of the shock absorber, reduce the transverse jumping of the first connecting rod 9 and the second connecting rod, thereby reducing the use loss of the first connecting rod 9 and the second connecting rod and improving the service life of the shock absorber.

[0047] In one embodiment, the main body comprises a cylinder 14 and a lower support 20; the cylinder 14 is connected with the lower support 20 to form a containing cavity; the cylinder 14 is provided with a first through hole, and the lower support 20 is provided with a second through hole.

[0048] Specifically, the end of the lower support 20 away from the cylinder 14 is formed with a fork arm adapted to be connected with a wheel, and the second limiting piece is located in the fork arm. The lower support 20 is detachably connected with the cylinder 14. Thus, subsequent disassembly and maintenance are facilitated.

[0049] The utility model discloses a kind of suspension systems, and the suspension system at least includes the electromagnetic shock absorber of any one.

[0050] The utility model discloses a kind of automobiles, and the automobile at least includes the suspension system.

[0051] It should be noted that, for the above-mentioned method embodiments, in order to simply describe, they are all described as a series of action combinations, but those skilled in the art should know that the present application is not limited by the described action sequence, because according to the present application, some steps can be performed in other order or simultaneously. Secondly, those skilled in the art should know that the embodiments described in the specification all belong to preferred embodiments, and the actions and modules involved are not necessarily necessary for the present application.

[0052] In the above embodiments, the description of each embodiment has its own emphasis, and the parts not described in detail in a certain embodiment can be referred to the related description of other embodiments.

[0053] In several embodiments provided by the utility model, it should be understood that the disclosed device can be realized by other ways. For example, the device embodiments described above are only illustrative, for example, the division of the units is only a logical function division, and another division mode can be used in actual implementation, for example, a plurality of units or components can be combined or integrated into another system, or some features can be ignored or not executed. In addition, the coupling or direct coupling or communication connection between the units shown or discussed can be indirect coupling or communication connection through some interfaces, devices or units, and can be electrical or other forms.

[0054] The units described as separate components can or can not be physically separated, and the components shown as units can or can not be physical units, that is, they can be located in one place or distributed on a plurality of network units. Part or all of the units can be selected according to actual needs to achieve the purpose of the embodiment scheme.

[0055] In addition, the functional units in each embodiment of the utility model can be integrated in one processing unit, or each unit can exist physically, or two or more units can be integrated in one unit. The integrated unit can be realized in the form of hardware or in the form of software functional unit.

[0056] The integrated unit, if realized in the form of software functional unit and sold or used as an independent product, can be stored in a computer readable storage medium. Based on such understanding, the technical scheme of the utility model can be embodied in the form of software product in essence or in the form of all or part of the technical scheme that contributes to the prior art, and the computer software product is stored in a storage medium, including a plurality of instructions for making a computer device (which can be a personal computer, a mobile terminal, a server or a network device, etc.) execute all or part of the steps of the method described in each embodiment of the utility model.

[0057] The above is only the preferred embodiment of the utility model, and is not used to limit the utility model. For those skilled in the art, the utility model can have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model shall be included in the protection scope of the utility model.

Claims

1. An electromagnetic damper, characterized by The motor and the stator are connected with the wheel and the vehicle body respectively; The motor comprises a main body and a first magnetic element arranged on the main body, and the main body is formed with a receiving cavity; The stator comprises a second magnetic element, a fixing frame, a first connecting rod (9) and a second connecting rod, the second magnetic element is arranged on the fixing frame, the fixing frame is arranged in the receiving cavity, and the two ends of the fixing frame are connected with the first connecting rod (9) and the second connecting rod respectively, and the motor and the stator can move relatively under the action of the first magnetic element and the second magnetic element. The first connecting rod (9) is arranged in the first through hole, and the second connecting rod is arranged in the second through hole.

2. The electromagnetic damper of claim 1, wherein, The first magnetic element is a permanent magnet or an electromagnet, and the second magnetic element is a winding coil (18).

3. The electromagnetic damper of claim 1, wherein, The first connecting rod (9) is provided with a first guide (12); and / or, The second through hole and the second connecting rod are provided with a second guide (19).

4. The electromagnetic damper of claim 1, wherein, The electromagnetic shock absorber further comprises a first limiting piece, and the first limiting piece is arranged on one side of the first connecting rod which is arranged outside the main body through the first through hole.

5. The electromagnetic damper of claim 4, wherein, The first connecting rod (9) is connected with the vehicle body through a tower top (3), and the tower top is formed as the first limiting piece.

6. The electromagnetic damper of claim 5, wherein, The first limiting piece is connected with a first shock absorbing block (10). The first shock absorbing block (10) is sleeved on the first connecting rod (9).

7. The electromagnetic damper of claim 5, wherein, The tower top (3) and the main body are connected with an elastic piece (8).

8. The electromagnetic damper of claim 7, wherein, The tower top (3) is provided with a first shock absorbing pad (5). The outer wall of the main body is provided with a second shock absorbing pad (16), and the two ends of the elastic piece (8) are connected with the first shock absorbing pad (5) and the second shock absorbing pad (16) respectively.

9. The electromagnetic damper of claim 1, wherein, The electromagnetic shock absorber further comprises a second limiting piece, one end of the second connecting rod is arranged outside the receiving cavity through the second through hole, and the second limiting piece is formed on one side of the second connecting rod which is arranged outside the receiving cavity.

10. The electromagnetic damper of claim 9, wherein, The second connecting rod is connected with a baffle (23), and the baffle (23) is configured as the second limiting piece.

11. The electromagnetic damper of claim 7, wherein, The electromagnetic shock absorber further comprises a second limiting piece, one end of the second connecting rod is arranged outside the receiving cavity through the second through hole, and the second limiting piece is formed on one side of the second connecting rod which is arranged outside the receiving cavity; The second limiting piece is provided with a second shock absorbing block (22), and the second shock absorbing block (22) is sleeved on the second connecting rod.

12. The electromagnetic damper of claim 9, wherein, The main body comprises a cylinder (14) and a lower support (20); The cylinder (14) and the lower support (20) are connected to form the receiving cavity; The first through hole is arranged on the cylinder (14), and the second through hole is arranged on the lower support (20).

13. The electromagnetic damper of claim 12, wherein, One end of the lower support away from the cylinder is formed with a fork arm, the fork arm is adapted to be connected with the wheel, and the second limiting piece is located in the fork arm.

14. The electromagnetic damper of claim 13, wherein, The lower support and the cylinder are detachably connected.

15. The electromagnetic damper of claim 1, wherein, The main body comprises a cylinder (14); one side of the first connecting rod (9) is connected with a height grating (15); The cylinder (14) is provided with a height sensor (13) at the end away from the second connecting rod, and the height sensor (13) is used for detecting the height grating (15).

16. The electromagnetic damper of claim 15, wherein, The end of the cylinder is provided with a groove recessed from the outer wall of the end of the cylinder to one end of the accommodating cavity, and the height sensor is arranged in the groove.

17. The electromagnetic damper according to any one of claims 1-16, characterized in that The first connecting rod (9), the fixed frame and the second connecting rod are an integral piece.

18. A suspension system characterized by, The suspension system comprises the electromagnetic shock absorber according to any one of claims 1-17.

19. An automobile characterized by comprising: The automobile comprises the suspension system according to claim 18.

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