CN213152676U

CN213152676U - Motor driver heat radiation structure

Info

Publication number: CN213152676U
Application number: CN202021666161.1U
Authority: CN
Inventors: 孙德明
Original assignee: Suzhou Xinkongda Electronic Technology Co ltd
Current assignee: Suzhou Xinkongda Electronic Technology Co ltd
Priority date: 2020-08-12
Filing date: 2020-08-12
Publication date: 2021-05-07
Anticipated expiration: 2030-08-12

Abstract

The utility model relates to a heat dissipation equipment technical field just discloses a motor drive heat radiation structure, including the motor drive body, the fixed surface of motor drive body installs the cover that changes heat, the top fixed mounting of the cover that changes heat has connecting pipe one, the other end fixed mounting of connecting pipe one has the cooling chamber, the inner chamber swing joint of cooling chamber has the lifter plate, the bottom surface fixed mounting of lifter plate has spring one, the through-hole has been seted up at the middle part of lifter plate. The utility model discloses a lifter plate downstream, after baffle and the second contact of connecting pipe, connecting pipe two with baffle jack-up, make the coolant liquid in the cooling chamber enter into connecting pipe two in from the connecting hole, in the bottom of water pump suction to heat transfer cover to with the higher coolant liquid replacement of heat transfer cover internal temperature to the cooling in the cooling chamber, need not use the fan to dispel the heat, reduced the noise that the device produced, increased the life of device.

Description

Motor driver heat radiation structure

Technical Field

The utility model relates to a heat dissipation equipment technical field specifically is a motor driver heat radiation structure.

Background

In the working process of the motor driver, the power chip of the motor driver can continuously generate a large amount of heat due to resistance loss and switching loss, the heat must be timely and effectively dissipated through the heat dissipation device, and otherwise the performance of the motor driver is reduced and even the motor driver is burnt out due to overheating.

The existing heat dissipation device generally adopts a heat dissipation sheet and an additional fan to dissipate heat of the motor driver, but the fan can generate noise after working time, and the surface of the fan can be stained with dust after long-time operation, so that the dust can be blown to the motor driver when heat dissipation is carried out, and the service life of the motor is shortened.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a motor driver heat radiation structure possesses the noise that has reduced the device, has increased the life's of device advantage, has solved the problem that proposes among the above-mentioned background art.

The utility model provides a following technical scheme: the utility model provides a motor driver heat radiation structure, includes the motor driver body, the fixed surface of motor driver body installs the cover that changes heat, the top fixed mounting of the cover that changes heat has connecting pipe one, the other end fixed mounting of connecting pipe one has the cooling chamber, the inner chamber swing joint of cooling chamber has the lifter plate, the bottom surface fixed mounting of lifter plate has spring one, the through-hole has been seted up at the middle part of lifter plate, the inner chamber bottom surface fixed mounting of through-hole has spring two, the top fixed mounting of spring two has the baffle, the bottom fixed mounting of cooling chamber has connecting pipe two, the bottom fixed mounting of connecting pipe two has the water pump, the connecting hole has been seted up on the top of connecting pipe two.

Carefully, both ends fixed mounting has solid fixed ring around the heat transfer cover surface, the equal fixed mounting in bottom surface of solid fixed ring and cooling chamber has the bracing piece, the bottom surface fixed mounting of bracing piece has spring three, the bottom fixed mounting of spring three has the sliding sleeve, the bottom surface fixed mounting of sliding sleeve has the bottom plate.

The shape of the cross section of the through hole is L-shaped, the diameter value of the baffle is equal to that of the top end of the through hole, and the top end of the second connecting pipe is located right below the baffle.

Preferably, the bottom ends of the first springs are fixedly installed on the bottom surface of the inner cavity of the cooling chamber, the number of the first springs is three, and the centers of the three first springs and the center of the lifting plate are located on the same straight line.

And carefully selecting, wherein the top end of the second connecting pipe penetrates through and extends into the inner cavity of the cooling chamber, the diameter value of the top end of the second connecting pipe is equal to that of the bottom end of the through hole, and the bottom surface of the connecting hole and the bottom surface of the inner cavity of the cooling chamber are positioned on the same horizontal plane.

Carefully selecting, a square groove is formed in the top end of the third spring, and the bottom end of the supporting rod is movably connected into the square groove formed in the top end of the third spring.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. the utility model discloses an add the coolant liquid in the inner chamber of heat transfer cover, the heat that the motor drive body during operation produced can carry out the heat exchange with the coolant liquid in the heat transfer cover inner chamber, the temperature that makes the coolant liquid in the heat transfer cover risees and expands to in the connecting pipe, enter into the cooling chamber in the connecting pipe, the pressure that the lifter plate bore has been increased, make the lifter plate downstream, after baffle and connecting pipe two contact, connecting pipe two is with baffle jack-up, make the coolant liquid in the cooling chamber enter into in the connecting pipe two from the connecting hole, in the bottom of process water pump suction heat transfer cover, thereby replace the higher coolant liquid of temperature to cooling chamber interior cooling in the heat transfer cover, do not need to use the fan to dispel the heat, the noise that the device produced has been reduced, the life of device has been increased.

2. The utility model discloses an at the bottom surface installation spring three of bracing piece, the vibrations that produce when motor driver body self operation can transmit spring three through solid fixed ring on, absorb the vibrations that motor driver body during operation produced through spring three to it is not hard up to have reduced the motor driver body at the connection position that the during operation caused because of vibrations, has increased the stability of device operation.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic sectional view of the heat exchange jacket of the present invention;

FIG. 3 is a schematic sectional view of the sliding sleeve of the present invention;

FIG. 4 is a schematic view of the structure of the present invention;

fig. 5 is an enlarged schematic view of the structure a of the present invention.

In the figure: 1. a motor driver body; 2. a heat exchange sleeve; 3. a first connecting pipe; 4. a cooling chamber; 5. a lifting plate; 6. a first spring; 7. a second spring; 8. a baffle plate; 9. a second connecting pipe; 10. a water pump; 11. connecting holes; 12. a fixing ring; 13. a support bar; 14. a third spring; 15. a sliding sleeve; 16. a base plate; 17. and a through hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, a heat dissipation structure of a motor driver comprises a motor driver body 1, a heat exchange sleeve 2 is fixedly installed on the surface of the motor driver body 1, heat generated by the motor driver body 1 during operation can exchange heat with cooling liquid in the inner cavity of the heat exchange sleeve 2, so as to cool and dissipate the motor driver body 1, fixing rings 12 are fixedly installed at the front end and the rear end of the surface of the heat exchange sleeve 2, supporting rods 13 are fixedly installed on the bottom surfaces of the fixing rings 12 and the cooling chamber 4, a spring III 14 is fixedly installed on the bottom surface of the supporting rod 13, a square groove is formed in the top end of the spring III 14, the bottom end of the supporting rod 13 is movably connected in the square groove formed in the top end of the spring III 14, and vibration generated during the operation of the motor driver body 1 can be transmitted to the spring III 14 through the fixing rings 12 by installing, the vibration generated when the motor driver body 1 works is absorbed through the spring III 14, so that the looseness of a connection part of the motor driver body 1 caused by vibration when the motor driver body 1 works is reduced, the running stability of the device is improved, the sliding sleeve 15 is fixedly installed at the bottom end of the spring III 14, the bottom surface of the sliding sleeve 15 is fixedly installed with the bottom plate 16, the top end of the heat exchange sleeve 2 is fixedly installed with the first connecting pipe 3, the temperature of the cooling liquid in the heat exchange sleeve 2 can expand into the first connecting pipe 3 when rising to a certain degree, the cooling liquid enters the cooling chamber 4 from the first connecting pipe 3, the pressure borne by the lifting plate 5 is increased, the lifting plate 5 moves downwards, the cooling chamber 4 is fixedly installed at the other end of the first connecting pipe 3, the lifting plate 5 is movably connected with the inner cavity of the cooling chamber 4, the first spring 6 is fixedly installed at the bottom surface of the lifting plate 5, the, the number of the springs I is three, the centers of the three springs I6 and the center of the lifting plate 5 are positioned on the same straight line, after the pressure in the heat exchange sleeve 2 is restored to a normal state, the elastic force of the springs I6 drives the lifting plate 5 to move upwards to separate the baffle 8 from the connecting pipe II 9, meanwhile, the elastic force of the springs II 7 drives the baffle 8 to move downwards to seal the top end of the through hole 17 to prevent the cooling liquid from leaking from the through hole 17, the through hole 17 is formed in the middle of the lifting plate 5, the cross section of the through hole 17 is L-shaped, the diameter value of the baffle 8 is equal to that of the top end of the through hole 17, the top end of the connecting pipe II 9 is positioned under the baffle 8, after the baffle 8 is contacted with the connecting pipe II 9, the connecting pipe II 9 jacks up the baffle 8 to enable the cooling liquid in the cooling chamber 4 to enter the connecting pipe II 9 from the connecting hole 11, the spring, the top fixed mounting of spring two 7 has baffle 8, the bottom fixed mounting of cooling chamber 4 has connecting pipe two 9, the top of connecting pipe two 9 runs through and extends to in the inner chamber of cooling chamber 4, the diameter value on connecting pipe two 9 tops equals the diameter value of through-hole 17 bottom, the bottom surface of connecting hole 11 is in same horizontal plane with the inner chamber bottom surface of cooling chamber 4, guarantee that the coolant liquid enters into behind the inner chamber bottom of cooling chamber 4, can enter into connecting pipe two 9 from connecting hole 11 completely, the bottom fixed mounting of connecting pipe two 9 has water pump 10, connecting hole 11 has been seted up on the top of connecting pipe two 9, through the bottom of water pump 10 suction to heat exchange jacket 2, thereby will change the higher coolant liquid of temperature in the heat exchange jacket 2 and cool to cooling chamber 4, do not need to use the fan to dispel the heat, the noise that the device produced has been reduced, the life of device.

The working principle is as follows: when the cooling device is used, cooling liquid is added into the inner cavities of the heat exchange sleeve 2 and the cooling chamber 4 in the initial state, heat generated by the motor driver body 1 during working can be exchanged with the cooling liquid in the inner cavity of the heat exchange sleeve 2, so that the cooling and heat dissipation of the motor driver body 1 are realized, meanwhile, the temperature of the cooling liquid in the heat exchange sleeve 2 can be expanded into the first connecting pipe 3 when being raised to a certain degree, the cooling liquid enters the cooling chamber 4 from the first connecting pipe 3, the pressure borne by the lifting plate 5 is increased, the lifting plate 5 moves downwards, after the baffle 8 is contacted with the second connecting pipe 9, the second connecting pipe 9 jacks up the baffle 8, the cooling liquid in the cooling chamber 4 enters the second connecting pipe 9 from the connecting hole 11 and is pumped into the bottom end of the heat exchange sleeve 2 through the water pump 10, so that the cooling liquid with higher temperature in the heat exchange sleeve 2 is replaced into the cooling chamber 4 for cooling without using a fan for heat dissipation, the noise that the device produced has been reduced, the life of the device has been increased, after the coolant liquid replacement finishes, after the pressure in the heat transfer cover 2 resumes normal state, the elasticity of spring 6 drives lifter plate 5 upward movement, make baffle 8 and second 9 of connecting pipe separation, the elasticity of spring two 7 drives baffle 8 downstream simultaneously, seal the top of through-hole 17, avoid the coolant liquid to take place to leak from through-hole 17, through the bottom surface installation spring three 14 at bracing piece 13, the vibrations that produce when motor driver body 1 self moves can be transmitted to spring three 14 through solid fixed ring 12, absorb the vibrations that produce when motor driver body 1 during operation through spring three 14, thereby it is not hard up to have reduced motor driver body 1 at the connecting part that the during operation caused because of vibrations, the stability of device operation has been increased.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Simultaneously in the utility model discloses an in the drawing, fill the pattern and just do not do any other injecions for distinguishing the picture layer.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a motor drive heat radiation structure, includes motor drive body (1), its characterized in that: the surface of the motor driver body (1) is fixedly provided with a heat exchange sleeve (2), a first connecting pipe (3) is fixedly arranged at the top end of the heat exchange sleeve (2), a cooling chamber (4) is fixedly arranged at the other end of the first connecting pipe (3), the inner cavity of the cooling chamber (4) is movably connected with a lifting plate (5), the bottom surface of the lifting plate (5) is fixedly provided with a first spring (6), a through hole (17) is formed in the middle of the lifting plate (5), a second spring (7) is fixedly arranged on the bottom surface of an inner cavity of the through hole (17), a baffle (8) is fixedly arranged at the top end of the second spring (7), a second connecting pipe (9) is fixedly arranged at the bottom end of the cooling chamber (4), the bottom end of the second connecting pipe (9) is fixedly provided with a water pump (10), and the top end of the second connecting pipe (9) is provided with a connecting hole (11).

2. The heat dissipation structure of a motor driver according to claim 1, wherein: both ends fixed mounting has solid fixed ring (12) around heat exchange sleeve (2) surface, the equal fixed mounting in bottom surface of solid fixed ring (12) and cooling chamber (4) has bracing piece (13), the bottom surface fixed mounting of bracing piece (13) has three (14) of spring, the bottom fixed mounting of three (14) of spring has sliding sleeve (15), the bottom surface fixed mounting of sliding sleeve (15) has bottom plate (16).

3. The heat dissipation structure of a motor driver according to claim 1, wherein: the cross-sectional shape of through-hole (17) is "L" shape, the diameter value of baffle (8) equals the diameter value of through-hole (17) top, the top of connecting pipe two (9) is located the baffle (8) under.

4. The heat dissipation structure of a motor driver according to claim 1, wherein: the bottom end of the first spring (6) is fixedly installed on the bottom surface of the inner cavity of the cooling chamber (4), the number of the first springs (6) is three, and the centers of the three first springs (6) and the center of the lifting plate (5) are located on the same straight line.

5. The heat dissipation structure of a motor driver according to claim 1, wherein: the top of connecting pipe two (9) runs through and extends to in the inner chamber of cooling chamber (4), the diameter value on connecting pipe two (9) top equals the diameter value of through-hole (17) bottom, the bottom surface of connecting hole (11) is in same horizontal plane with the inner chamber bottom surface of cooling chamber (4).

6. The heat dissipation structure of a motor driver according to claim 2, wherein: the top end of the third spring (14) is provided with a square groove, and the bottom end of the support rod (13) is movably connected in the square groove formed in the top end of the third spring (14).