Neodymium-iron-boron high-frequency voice coil efficient radiator

Abstract

The utility model relates to the technical field of neodymium iron boron high-frequency voice coils, and discloses a neodymium iron boron high-frequency voice coil high-efficiency radiator, which comprises a radiator main body, a dust cover is fixedly connected to the top end of the radiator main body, a mounting bottom plate is arranged below the radiator main body, and the radiator main body is provided with a high-efficiency radiating assembly which is strongly connected. The efficient heat dissipation assembly comprises heat conduction pieces, and multiple sets of heat dissipation holes are formed in the top end of the radiator body in a penetrating mode. The neodymium-iron-boron high-frequency voice coil efficient radiator is provided with the connecting plate, the heat conducting fins, the sealing sleeve, the heat dissipation holes and the dust filtering net, the heat emission speed in the radiator body is increased, the situation that the neodymium-iron-boron magnets are damaged and use is affected due to heat accumulation is avoided, and the problems that the heat dissipation effect of a heat conducting channel is single, the heat dissipation channel cannot be provided at multiple angles, and the service life is prolonged are solved. Meanwhile, the fixing force of the heat conduction part is poor, displacement is prone to occurring after long-time use, and the heat dissipation effect is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of neodymium iron boron high frequency voice coils, in particular to a high efficiency radiator for neodymium iron boron high frequency voice coils. Background Art

[0002] The main function of the NdFeB high-frequency voice coil is to generate a strong magnetic field, which interacts with the current in the voice coil, drives the voice coil to vibrate, and then drives the diaphragm of the speaker to move and produce sound. NdFeB magnets have extremely high magnetic field strength and can provide excellent sound quality and lower distortion, but they are more expensive and are mostly used in high-end speaker systems.

[0003] In order to ensure the magnetic stability and service life of NdFeB magnets, heat dissipation treatment is required. Currently, oxide and suboxide phases are mainly used. Friction between these phases forms a heat conduction channel, but the heat dissipation effect of the heat conduction channel is single and it is impossible to provide heat dissipation channels at multiple angles. At the same time, the fixing force of the heat conduction parts themselves is poor, and displacement is easy to occur after long-term use, reducing the heat dissipation effect.

[0004] Therefore, a new type of NdFeB high frequency voice coil high efficiency radiator is proposed to solve the above problems. Utility Model Content

[0005] The purpose of the present utility model is to provide a high-efficiency radiator for a neodymium iron boron high-frequency voice coil, so as to solve the problem proposed in the above-mentioned background technology that the heat dissipation effect of the heat conduction channel is single and the heat dissipation channel cannot be provided at multiple angles. At the same time, the fixing force of the heat conduction parts themselves is poor, and displacement is easy to occur after long-term use, reducing the heat dissipation effect.

[0006] To achieve the above objectives, the present invention provides the following technical solutions: a high-efficiency radiator for a neodymium iron boron high-frequency voice coil, comprising a radiator body, a dust cover fixedly connected to the top of the radiator body, a mounting base provided below the radiator body, and a high-efficiency heat dissipation component provided on the radiator body with strong connections;

[0007] The high-efficiency heat dissipation component includes a heat conducting sheet. The top of the radiator body is provided with a plurality of heat dissipation holes. The heat dissipation holes are arranged around the outer periphery of the dust cover at equal intervals. The inner circle of the heat dissipation holes is fixedly connected to a dust filter. The heat conducting sheet is provided in four groups and surrounds and passes through the interior of the radiator body. The inner end of the heat conducting sheet is fixedly connected to a connecting plate. The two ends of the connecting plate are fixedly connected to the interior of the radiator body.

[0008] Preferably, a sealing sleeve is provided on the outside of the heat conducting plate, and the outer end of the sealing sleeve is fixedly connected to the inner wall of the radiator body.

[0009] Preferably, a circle of first connecting seats is fixedly connected to the inner wall of the radiator body, a circle of second connecting seats is fixedly connected to the inner wall of the mounting base plate, and the top ends of the second connecting seats are fixedly connected to an external plate.

[0010] Preferably, a circle of grooves is provided at the bottom end of the first connecting seat, multiple groups of external plug-in blocks are fixedly connected to the outer end of the external plate, the external plate is inserted into the groove, and the multiple groups of external plug-in blocks are plugged and connected inside the groove.

[0011] Preferably, the inner wall of the mounting base is fixedly connected to a sealing plate, the top of the outer end of the sealing plate is fixedly connected to a fixing ring, the bottom end of the inner wall of the radiator body is fixedly connected to a circle of inner connecting seat, and the top end of the fixing ring is plugged into the inner connecting seat.

[0012] Preferably, two groups of outer covers and inner covers are respectively provided inside the dust cover, and the inner cover is fixedly connected between the two groups of outer covers.

[0013] Preferably, a protective outer layer and a sealing ring are respectively provided inside the outer cover body, the sealing ring is located at the inner wall of the inner cover body, and the protective outer layer is located at the outer end of the inner cover body.

[0014] Preferably, a reinforcement layer is provided inside the inner cover body, and the thickness of the outer cover body is smaller than that of the inner cover body.

[0015] Compared with the prior art, the beneficial effects of the present invention are: the NdFeB high frequency voice coil high efficiency radiator not only realizes the multi-effect heat dissipation function, realizes the splicing function, but also realizes the protection function;

[0016] (1) The top of the radiator body is provided with a connecting plate, a heat conducting plate, a sealing sleeve, a heat dissipation hole and a dust filter. A plurality of heat conducting plates are installed through the inside of the radiator body to dissipate heat longitudinally. The heat dissipation holes and the heat conducting plates cooperate with each other to speed up the heat discharge speed in the radiator body, and avoid the damage of the NdFeB magnet caused by heat accumulation and affect its use. The inner end of the heat conducting plate is strengthened by adding a connecting plate to strengthen the connection between the heat conducting plate and the radiator body, effectively preventing the outer end of the heat conducting plate from tilting downward. The sealing sleeve is installed on the outside of the heat conducting plate to provide sealing protection for the gap of the radiator body. At the same time, a dust filter is provided inside the heat dissipation hole to perform deep filtering and cleaning.

[0017] (2) A mounting base, a sealing plate, a fixing ring, an inner seat, a groove and an outer plate are provided, the first connecting seat and the second connecting seat are placed correspondingly, the outer plate is inserted into the groove, the outer plug-in block is fixed in the groove by plug-in connection, the mounting base is spliced and fixed to the bottom of the radiator body for use, the mounting base, the radiator body and the dust cover form an independent space for placing the NdFeB magnet, which is convenient for heat dissipation, the fixing ring is plugged and installed in the inner seat, the firmness between the mounting base and the radiator body is improved, the mounting base is effectively prevented from falling off during use, and strong sealing protection is provided by the sealing plate;

[0018] (3) By providing an inner cover body, an outer cover body, a protective outer layer, a sealing ring and a reinforcement layer, a reinforcement layer is provided inside the inner cover body to provide a firm support for the dust cover, thereby preventing the dust cover from breaking during use. At the same time, a protective outer layer and a sealing ring are provided inside the two sets of outer cover bodies respectively, thereby strengthening the protectiveness of the dust cover itself, realizing multifunctional sealing protection, and extending the service life of the dust cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the front cross-sectional structure of the present utility model;

[0020] Figure 2 This is a bottom view of the structure of the heat conducting plate of the present invention;

[0021] Figure 3 This is a schematic diagram of the top view of the installation base plate of the utility model;

[0022] Figure 4 This is a schematic diagram of the cross-sectional structure of the dust cover of the present invention when viewed from above.

[0023] In the figure: 1. Mounting base; 2. Fixing ring; 3. Internal connector; 4. Radiator body; 5. Dust cover; 6. Heat dissipation hole; 7. Sealing sleeve; 8. Heat conducting plate; 9. Connecting plate; 10. Dust filter; 11. First connecting seat; 12. Groove; 13. Sealing plate; 14. External plug-in block; 15. External plate; 16. Second connecting seat; 17. Inner cover; 18. Reinforcement layer; 19. Sealing ring; 20. Outer cover; 21. Protective outer layer. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described 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 making creative efforts are within the scope of protection of the present invention.

[0025] See also Figure 1-4A high-efficiency radiator for a neodymium iron boron high-frequency voice coil includes a radiator body 4, a dust cover 5 is fixedly connected to the top of the radiator body 4, a mounting base 1 is provided below the radiator body 4, and the radiator body 4 is provided with a high-efficiency heat dissipation component with strong connection;

[0026] The high-efficiency heat dissipation component includes a heat conducting sheet 8. The top of the radiator body 4 is provided with multiple groups of heat dissipation holes 6. The heat dissipation holes 6 are arranged around the outer periphery of the dust cover 5 at equal intervals. The inner circle of the heat dissipation holes 6 is fixedly connected to the dust filter 10. There are four groups of heat conducting sheets 8, which surround and penetrate the interior of the radiator body 4. The inner ends of the heat conducting sheets 8 are fixedly connected to the connecting plates 9. The two ends of the connecting plates 9 are fixedly connected to the interior of the radiator body 4.

[0027] The outer sleeve of the heat conducting sheet 8 is provided with a sealing sleeve 7, and the outer end of the sealing sleeve 7 is fixedly connected to the inner wall of the radiator body 4;

[0028] Specifically, if Figure 1 and Figure 2 As shown, when in use, the NdFeB magnets are located in the radiator body 4. After the NdFeB magnets generate heat, the heat is discharged longitudinally through multiple groups of heat dissipation holes 6 to avoid heat accumulation. At the same time, multiple groups of heat conducting plates 8 are arranged throughout the interior of the radiator body 4 to conduct the heat laterally, which can quickly eliminate the heat in the radiator body 4. The sealing sleeve 7 is installed on the outside of the heat conducting plate 8 and provides sealing protection for the connection between the radiator body 4 and the heat conducting plate 8.

[0029] The inner wall of the radiator body 4 is fixedly connected to a circle of first connecting seats 11, the inner wall of the mounting base 1 is fixedly connected to a circle of second connecting seats 16, and the top of the second connecting seats 16 is fixedly connected to the external plate 15;

[0030] The bottom end of the first connecting base 11 is provided with a circle of grooves 12, and the outer end of the external plate 15 is fixedly connected to multiple sets of external plug-in blocks 14. The external plate 15 is inserted into the groove 12, and the multiple sets of external plug-in blocks 14 are plugged and connected inside the groove 12;

[0031] The inner wall of the mounting base 1 is fixedly connected to a sealing plate 13, the top of the outer end of the sealing plate 13 is fixedly connected to a fixing ring 2, the bottom end of the inner wall of the radiator body 4 is fixedly connected to a circle of inner seat 3, and the top end of the fixing ring 2 is plugged into the inner seat 3;

[0032] Specifically, if Figure 1 and Figure 3 As shown, when in use, the fixing ring 2 is inserted and installed in the internal seat 3, and the mounting base 1 is fixed to the bottom of the radiator body 4. At the same time, the first connecting seat 11 and the second connecting seat 16 are placed in contact with each other, and the external plate 15 is inserted into the groove 12 until multiple groups of external plug-in blocks 14 are inserted and fixed inside the groove 12.

[0033] The dust cover 5 is provided with two sets of outer covers 20 and inner covers 17 respectively, and the inner covers 17 are fixedly connected between the two sets of outer covers 20;

[0034] The outer cover 20 is provided with a protective outer layer 21 and a sealing ring 19. The sealing ring 19 is located on the inner wall of the inner cover 17, and the protective outer layer 21 is located on the outer end of the inner cover 17.

[0035] A reinforcement layer 18 is provided inside the inner cover 17, and the thickness of the outer cover 20 is smaller than that of the inner cover 17;

[0036] Specifically, if Figure 1 and Figure 4 As shown, when in use, a reinforcement layer 18 is provided inside the inner cover body 17 to provide a firm support for the dust cover 5 to prevent the dust cover 5 from breaking during use. At the same time, a protective outer layer 21 and a sealing ring 19 are provided inside the two sets of outer cover bodies 20 respectively to enhance the protectiveness of the dust cover 5 itself, realize multifunctional sealing protection, and extend the service life of the dust cover 5.

[0037] Working principle: When the present invention is in use, the fixing ring 2 is inserted and installed in the internal seat 3, and the mounting base 1 is fixed to the bottom of the radiator body 4. At the same time, the first connecting seat 11 and the second connecting seat 16 are placed in contact with each other, and the external plate 15 is inserted into the groove 12 until multiple groups of external plug-in blocks 14 are inserted and fixed inside the groove 12. The mounting base 1, the radiator body 4 and the dust cover 5 form an independent space for placing neodymium iron boron magnets. After the neodymium iron boron magnets generate heat, they are discharged longitudinally through multiple groups of heat dissipation holes 6 to avoid heat accumulation. At the same time, multiple groups of heat conducting plates 8 are arranged throughout the interior of the radiator body 4 to conduct heat horizontally, which can quickly eliminate the heat in the radiator body 4.

[0038] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A high-efficiency radiator for a neodymium iron boron high-frequency voice coil, comprising a radiator body (4), characterized in that: The top of the radiator body (4) is fixedly connected with a dust cover (5), a mounting base plate (1) is provided below the radiator body (4), and the radiator body (4) is provided with a high-efficiency heat dissipation component with strong connection; The high-efficiency heat dissipation component includes a heat conducting plate (8), a top end of the radiator body (4) is provided with a plurality of heat dissipation holes (6), the heat dissipation holes (6) are arranged around the outer periphery of the dust cover (5) at equal intervals, the inner ring of the heat dissipation holes (6) is fixedly connected to a dust filter (10), four groups of heat conducting plates (8) are provided, and they surround and pass through the interior of the radiator body (4), the inner end of the heat conducting plate (8) is fixedly connected to a connecting plate (9), and the two ends of the connecting plate (9) are fixedly connected to the interior of the radiator body (4).

2. The high-efficiency radiator for a NdFeB high-frequency voice coil according to claim 1, characterized in that: A sealing sleeve (7) is sleeved on the outside of the heat conducting plate (8), and the outer end of the sealing sleeve (7) is fixedly connected to the inner wall of the radiator body (4).

3. The high-efficiency radiator for a NdFeB high-frequency voice coil according to claim 1, characterized in that: The inner wall of the radiator body (4) is fixedly connected to a circle of first connecting seats (11), the inner wall of the mounting base plate (1) is fixedly connected to a circle of second connecting seats (16), and the top end of the second connecting seats (16) is fixedly connected to an external plate (15).

4. The high-efficiency radiator for a NdFeB high-frequency voice coil according to claim 3, characterized in that: A circle of grooves (12) is provided at the bottom end of the first connecting seat (11); the outer end of the external plate (15) is fixedly connected to a plurality of groups of external plug-in blocks (14); the external plate (15) is inserted into the groove (12), and the plurality of groups of external plug-in blocks (14) are plugged and connected inside the groove (12).

5. The high-efficiency radiator for a NdFeB high-frequency voice coil according to claim 1, characterized in that: The inner wall of the mounting base plate (1) is fixedly connected to a sealing plate (13), the top of the outer end of the sealing plate (13) is fixedly connected to a fixing ring (2), the bottom end of the inner wall of the radiator body (4) is fixedly connected to a circle of inner connecting seat (3), and the top end of the fixing ring (2) is plugged into the inner connecting seat (3).

6. The high-efficiency radiator for a NdFeB high-frequency voice coil according to claim 1, characterized in that: Two groups of outer cover bodies (20) and an inner cover body (17) are respectively provided inside the dust cover (5), and the inner cover body (17) is fixedly connected between the two groups of outer cover bodies (20).

7. The high-efficiency radiator for a NdFeB high-frequency voice coil according to claim 6, characterized in that: The outer cover (20) is provided with a protective outer layer (21) and a sealing ring (19) respectively. The sealing ring (19) is located at the inner wall of the inner cover (17), and the protective outer layer (21) is located at the outer end of the inner cover (17).

8. The high-efficiency radiator for a NdFeB high-frequency voice coil according to claim 6, characterized in that: A reinforcement layer (18) is provided inside the inner cover body (17), and the thickness of the outer cover body (20) is smaller than the thickness of the inner cover body (17).

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