A high-durability permanent magnet motor with a speed-dependent gain heat conduction device

Abstract

The present invention relates to the technical field of heat dissipation of permanent magnet drive equipment, and in particular to a high-durability permanent magnet motor with a speed-dependent gain heat conduction device, comprising a permanent magnet motor body. A high-durability permanent magnet motor with a speed-dependent gain heat conduction device of the present invention is fixedly equipped with a left-side assembly cover shell on the left outer wall of the permanent magnet motor body, in which a lateral extrusion piston and a telescopic lateral drive wheel are installed internally. The external structure of the telescopic lateral drive wheel can be automatically adjusted by the rotation speed of the permanent magnet motor body, thereby reducing the rotational resistance at low speeds, and automatically adjusting the heat dissipation flow rate at high speeds, improving the heat dissipation effect, and achieving the purpose of speed-dependent gain; through the telescopic lateral drive wheel that is adjusted with speed, the lateral extrusion piston can be controlled to move inside the left-side assembly cover shell, thereby changing the heat dissipation method and heat dissipation effect inside the permanent magnet motor body, so that it can maintain appropriate heat dissipation in different states, and the stability is greatly improved.

Description

Technical Field

[0001] The invention relates to the technical field of heat dissipation of permanent magnet drive equipment, in particular to a high-durability permanent magnet motor with a speed-dependent gain heat conduction device. Background Art

[0002] Permanent magnet motor is one of many drive motors, which achieves the purpose of driving by establishing a magnetic field through permanent magnets. Permanent magnet motors are widely used in various portable electronic devices or appliances. Due to their high stability and transmission efficiency, they are also widely used in some high-precision products.

[0003] The external structure of most permanent magnet motors on the market is simple and fixed, and the functionality is also very single. It is impossible to automatically change the heat dissipation method and structure of the motor according to the speed of the motor, which leads to reduced durability of the motor under long-term high-load conditions. The heat dissipation method traditionally used in permanent magnet motors is mostly passive conduction heat dissipation, which cannot be automatically linked and controlled with the speed of the motor, and the heat dissipation effect is very limited. Summary of the invention

[0004] The technical problem to be solved by the present invention is: in order to solve the problems existing in the above-mentioned background technology, an improved high-durability permanent magnet motor with a speed-dependent gain heat conduction device is provided. The external structure of the permanent magnet motors on the market is mostly simple and fixed, and the functionality is also very single. It is impossible to automatically change the heat dissipation method and structure of the motor according to the speed of the motor, which leads to the durability of the motor being reduced under long-term high-load conditions, and it is impossible to automatically control the motor in conjunction with the speed of the motor, and the heat dissipation effect is very limited.

[0005] The technical solution adopted by the present invention to solve its technical problems is: a high-durability permanent magnet motor with a speed-dependent gain heat conduction device, comprising a permanent magnet motor body, a left-side assembly cover shell is fixedly mounted on the left outer wall of the permanent magnet motor body, a telescopic lateral drive wheel is coaxially sleeved on the left drive shaft of the permanent magnet motor body inside the left-side assembly cover shell, a lateral extrusion piston is elastically mounted on the left inner wall of the left-side assembly cover shell, a spiral-shaped external heat dissipation pipe is fixedly mounted on the outer side surface of the left-side assembly cover shell, a spiral-shaped external heat conduction channel for connecting the external heat dissipation pipe with the inside of the left-side assembly cover shell is provided inside the outer side wall of the permanent magnet motor body, a lateral extrusion rod is mounted on the left inner wall of the left-side assembly cover shell at the connection end of the external heat dissipation pipe, and an arc-shaped storage groove with a built-in elastic flip cover shell is provided on the outer side surface of the permanent magnet motor body at both sides of the external heat conduction channel.

[0006] The left inner wall of the left assembly housing is provided with a conical liquid guide port at the external heat dissipation pipe connection end, and the lateral extrusion rod is fixedly assembled with the inner side of the conical liquid guide port through a lateral integrated structure assembly bracket.

[0007] An internal material guide hole is opened inside the lateral extrusion piston at a position corresponding to the lateral extrusion rod, and a lateral check plate is elastically mounted on the right side surface of the lateral extrusion piston at the opening position of the internal material guide hole.

[0008] Lateral assembly blind holes are symmetrically provided on the inner walls on both sides of the arc-shaped receiving groove, and the elastic flip cover comprises an arc-shaped flip cover plate with lateral assembly axes on both sides, an integrally structured arc-shaped heat-conducting copper sheet fixed on the inner arc-shaped surface of the arc-shaped flip cover plate, an arc-shaped guide opening provided inside the arc-shaped heat-conducting copper sheet, and a slider slidably assembled on the outer side of the arc-shaped heat-conducting copper sheet through the arc-shaped guide opening.

[0009] The inner arc surface of the arc-shaped receiving groove is provided with a first shrinkage control hole for installing a first hydraulic control head inside, and the left inner wall of the left assembly cover is provided with a second shrinkage control hole for installing a second hydraulic control head inside.

[0010] An internal hydraulic flow channel for connecting the first shrinkage control hole and the second shrinkage control hole is opened inside the permanent magnet motor body and the outer wall of the left assembly cover.

[0011] The telescopic lateral driving wheel comprises an outer driving wheel coaxially sleeved and fixed on the left driving shaft of the permanent magnet motor body, a lateral telescopic groove arranged on the outer arc surface of the outer driving wheel and a telescopic driving blade elastically inserted in the lateral telescopic groove.

[0012] The outer side surface of the first hydraulic control head is located at the connection position of the first shrinkage control hole and the internal hydraulic channel and has a first limiting ring, and the outer side surface of the second hydraulic control head is located at the connection position of the second shrinkage control hole and the internal hydraulic channel and has a second limiting ring.

[0013] The top end of the first hydraulic control head is movably assembled with the slider.

[0014] The beneficial effects of the present invention are:

[0015] (1) A high-durability permanent magnet motor with a speed-dependent gain heat conduction device of the present invention has a left-side assembly cover housing with a lateral extrusion piston and a telescopic lateral drive wheel installed inside fixedly mounted on the left outer wall of the permanent magnet motor body. The external structure of the telescopic lateral drive wheel can be automatically adjusted by the rotation speed of the permanent magnet motor body, thereby reducing the rotational resistance at low speed and automatically adjusting the heat dissipation flow rate at high speed, thereby improving the heat dissipation effect and achieving the purpose of speed-dependent gain;

[0016] (2) Through the speed-adjustable telescopic lateral drive wheel, the lateral extrusion piston can be controlled to move inside the left assembly cover, thereby changing the heat dissipation method and heat dissipation effect inside the permanent magnet motor body, so that it can maintain appropriate heat dissipation under different conditions, and the stability is greatly improved;

[0017] (3) An arc-shaped receiving groove with a built-in elastic flip cover is provided on the outer side of the permanent magnet motor body and outside the external heat conduction channel, and linkage control is performed by hydraulic means, so as to increase the heat dissipation area around the external heat conduction channel by changing the external structure, thereby improving the heat dissipation effect;

[0018] (4) The external structure of the telescopic lateral drive wheel can be automatically adjusted by the rotation speed of the permanent magnet motor body, so that the loss of the motor due to the heat dissipation mechanism is reduced, which is more energy-efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0020] Figure 1 It is a structural schematic diagram of the present invention.

[0021] Figure 2 It is a schematic diagram of the internal structure of the present invention.

[0022] Figure 3 It is a schematic diagram of the structure inside the left side assembly cover shell of the present invention.

[0023] Figure 4 It is a schematic diagram of the structure inside the telescopic lateral drive wheel of the present invention.

[0024] Figure 5 It is a partial schematic diagram of the assembly end of the elastic flip cover shell in the present invention.

[0025] In the figure, 1. permanent magnet motor body, 2. left assembly cover, 3. telescopic lateral drive wheel, 4. lateral extrusion piston, 5. external heat dissipation pipe, 6. external heat conduction channel, 7. lateral extrusion rod, 8. elastic flip cover, 9. arc storage groove, 10. conical liquid guide port, 11. internal material guide hole, 12. lateral check plate, 13. arc flip cover plate, 14. arc heat conduction copper sheet, 15. slider, 16. first hydraulic control head, 17. first shrinkage control hole, 18. second hydraulic control head, 19. second shrinkage control hole, 20. internal hydraulic channel, 21. outer drive wheel, 22. lateral telescopic groove, 23. telescopic drive blade, 24. first limit ring, 25. second limit ring. DETAILED DESCRIPTION

[0026] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, and therefore only show the components related to the present invention.

[0027] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 A high-durability permanent magnet motor with a speed-dependent gain heat conduction device is shown, comprising a permanent magnet motor body 1, a left-side assembly cover shell 2 is fixedly mounted on the left outer wall of the permanent magnet motor body 1, a telescopic lateral drive wheel 3 is coaxially sleeved on the left drive shaft of the permanent magnet motor body 1 inside the left-side assembly cover shell 2, a lateral extrusion piston 4 is elastically mounted on the left inner wall of the left-side assembly cover shell 2, a spiral-shaped external heat dissipation pipe 5 is fixedly mounted on the outer side surface of the left-side assembly cover shell 2, a spiral-shaped external heat conduction channel 6 for connecting the external heat dissipation pipe 5 with the inside of the left-side assembly cover shell 2 is opened inside the outer wall of the permanent magnet motor body 1, a lateral extrusion rod 7 is mounted on the left inner wall of the left-side assembly cover shell 2 at the connection end of the external heat dissipation pipe 5, and an arc-shaped storage groove 9 with a built-in elastic flip cover shell 8 is opened on the outer side surface of the permanent magnet motor body 1 at both sides of the external heat conduction channel 6.

[0029] The permanent magnet motor body 1 drives the telescopic lateral drive wheel 3 to rotate by driving the left drive shaft to rotate, and then controls the coolant in the left assembly cover 2 to drive leftward, squeezes the lateral extrusion piston 4, and drives the lateral extrusion piston 4 to translate to the inner side of the left assembly cover 2. At this time, the coolant in the left assembly cover 2 is introduced into the external heat dissipation pipe 5, and then flows into the external heat conduction channel 6, and finally flows back to the inside of the left assembly cover 2.

[0030] In order to facilitate installation and diversion, a conical liquid guide port 10 is opened on the left inner wall of the left assembly cover 2 at the connection end of the external heat dissipation pipe 5, and the lateral extrusion rod 7 is fixedly assembled with the inner side of the conical liquid guide port 10 through a lateral integrated structure assembly bracket.

[0031] In order to facilitate control, an internal material guide hole 11 is opened inside the lateral extrusion piston 4 corresponding to the position of the lateral extrusion rod 7, and a lateral check plate 12 is elastically installed on the right side surface of the lateral extrusion piston 4 at the opening position of the internal material guide hole 11.

[0032] In order to cooperate with active assembly, internal support and extrusion control, lateral assembly blind holes are symmetrically opened on the inner walls on both sides of the arc-shaped storage groove 9. The elastic flip cover 8 includes an arc-shaped flip cover plate 13 with lateral assembly axes on both sides, an integral arc-shaped heat-conducting copper sheet 14 fixed on the inner arc-shaped surface of the arc-shaped flip cover plate 13, an arc-shaped guide port opened inside the arc-shaped heat-conducting copper sheet 14, and a slider 15 slidably assembled on the outside of the arc-shaped heat-conducting copper sheet 14 through the arc-shaped guide port.

[0033] In order to cooperate with lateral telescopic control, a first shrinkage control hole 17 for installing a first hydraulic control head 16 is opened on the inner arc surface of the arc-shaped storage groove 9, and a second shrinkage control hole 19 for installing a second hydraulic control head 18 is opened on the left inner wall of the left assembly cover 2.

[0034] In order to cooperate with the hydraulic linkage control, an internal hydraulic flow channel 20 for connecting the first shrinkage control hole 17 and the second shrinkage control hole 19 is opened inside the outer wall of the permanent magnet motor body 1 and the left assembly cover 2.

[0035] The lateral extrusion piston 4 drives the first hydraulic control head 16 to extend by extruding the second hydraulic control head 18 , thereby changing the angle of the elastic flip cover 8 inside the arc-shaped receiving groove 9 .

[0036] In order to automatically adjust the extension length of the telescopic drive blade 23 according to the rotation speed, the telescopic lateral drive wheel 3 includes an outer drive wheel 21 coaxially sleeved and fixed on the left drive shaft of the permanent magnet motor body 1, a lateral telescopic groove 22 opened on the outer arc surface of the outer drive wheel 21, and a telescopic drive blade 23 elastically inserted in the lateral telescopic groove 22.

[0037] In order to cooperate with the telescopic limit seal, the outer side of the first hydraulic control head 16 is located at the connection position of the first shrinkage control hole 17 and the internal hydraulic flow channel 20 with a first limit ring 24, and the outer side of the second hydraulic control head 18 is located at the connection position of the second shrinkage control hole 19 and the internal hydraulic flow channel 20 with a second limit ring 25. The connection end of the first shrinkage control hole 17 and the internal hydraulic flow channel 20 and the connection end of the second shrinkage control hole 19 and the internal hydraulic flow channel 20 are both provided with internal telescopic closed chambers.

[0038] In order to cooperate with the movable assembly, the top end of the first hydraulic control head 16 is movably assembled with the slider 15. The movable assembly method between the first hydraulic control head 16 and the slider 15 is to use a connecting shaft for movable connection.

[0039] A high-durability permanent magnet motor with a speed-dependent gain heat conduction device of the present invention has a left-side assembly cover 2 fixedly mounted on the left outer wall of a permanent magnet motor body 1, in which a lateral extrusion piston 4 and a telescopic lateral drive wheel 3 are installed. The external structure of the telescopic lateral drive wheel 3 can be automatically adjusted by the rotation speed of the permanent magnet motor body 1, so that the rotation resistance can be reduced at low speed, and the heat dissipation flow rate can be automatically adjusted at high speed, thereby improving the heat dissipation effect and achieving the purpose of speed-dependent gain; the telescopic lateral drive wheel 3 that is adjusted with speed can control the lateral extrusion piston 4 to move inside the left-side assembly cover 2, thereby By changing the heat dissipation method and heat dissipation effect inside the permanent magnet motor body 1, it can maintain appropriate heat dissipation under different conditions, and the stability is greatly improved; an arc-shaped storage groove 9 with a built-in elastic flip cover 8 is provided on the outer side of the permanent magnet motor body 1 outside the external heat conduction channel 6, and linkage control is performed by hydraulic means, so as to increase the heat dissipation area around the external heat conduction channel by changing the external structure, thereby improving the heat dissipation effect; the external structure of the telescopic lateral drive wheel 3 can be automatically adjusted by the rotation speed of the permanent magnet motor body 1, so that the loss of the motor is reduced due to the heat dissipation mechanism, which is more energy-saving.

[0040] Based on the above ideal embodiments of the present invention, the relevant staff can make various changes and modifications without departing from the technical concept of the present invention through the above description. The technical scope of the present invention is not limited to the contents of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A high-durability permanent magnet motor with a speed-dependent gain heat conduction device, comprising a permanent magnet motor body (1), characterized in that: A left side assembly cover (2) is fixedly mounted on the left side outer wall of the permanent magnet motor body (1); a telescopic lateral drive wheel (3) is coaxially sleeved on the left side drive shaft of the permanent magnet motor body (1) inside the left side assembly cover (2); a lateral extrusion piston (4) is elastically mounted on the left side inner wall of the left side assembly cover (2); a spiral structure external heat dissipation pipe (5) is fixedly mounted on the outer side surface of the left side assembly cover (2); a spiral structure external heat conduction channel (6) for connecting the external heat dissipation pipe (5) with the inside of the left side assembly cover (2) is provided inside the outer side wall of the permanent magnet motor body (1); a lateral extrusion rod (7) is mounted on the left side inner wall of the left side assembly cover (2) at the connection end of the external heat dissipation pipe (5); The outer side surface of the magneto body (1) is provided with an arc-shaped receiving groove (9) with a built-in elastic flip cover (8) on both sides of the external heat conduction flow channel (6); the left inner wall of the left assembly cover (2) is provided with a conical liquid guide port (10) at the connection end of the external heat dissipation pipe (5); the lateral extrusion rod (7) is fixedly assembled with the inner side surface of the conical liquid guide port (10) through a lateral integrated structure assembly bracket; the inside of the lateral extrusion piston (4) is provided with an internal material guide hole (11) corresponding to the position of the lateral extrusion rod (7); a lateral check plate (12) is elastically assembled on the right side surface of the lateral extrusion piston (4) at the opening position of the internal material guide hole (11); lateral assembly blind holes are symmetrically opened on the inner walls on both sides of the arc-shaped receiving groove (9); the elastic flip cover The shell (8) comprises an arc-shaped flip cover plate (13) with lateral assembly axes on both sides, an integrally structured arc-shaped heat-conducting copper sheet (14) fixed on the inner arc-shaped surface of the arc-shaped flip cover plate (13), an arc-shaped guide opening provided inside the arc-shaped heat-conducting copper sheet (14), and a slider (15) slidably assembled on the outer side of the arc-shaped heat-conducting copper sheet (14) through the arc-shaped guide opening, a first shrinkage control hole (17) for mounting a first hydraulic control head (16) inside the arc-shaped receiving groove (9) is provided on the inner arc-shaped surface, a second shrinkage control hole (19) for mounting a second hydraulic control head (18) inside the left assembly cover shell (2) is provided on the left inner wall, and a first shrinkage control hole (19) for connecting the first shrinkage control hole (17) and the outer wall of the permanent magnet motor body (1) and the left assembly cover shell (2) is provided inside. The telescopic lateral drive wheel (3) comprises an outer drive wheel (21) coaxially sleeved and fixed on the left drive shaft of the permanent magnet motor body (1), a lateral telescopic groove (22) provided on the outer arc surface of the outer drive wheel (21), and a telescopic drive blade (23) elastically plugged into the lateral telescopic groove (22); the outer side surface of the first hydraulic control head (16) is located at the connection position of the first shrinkage control hole (17) and the internal hydraulic flow channel (20) and has a first limiting ring (24); the outer side surface of the second hydraulic control head (18) is located at the connection position of the second shrinkage control hole (19) and the internal hydraulic flow channel (20) and has a second limiting ring (25);The top end of the first hydraulic control head (16) is movably assembled with the slider (15).

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