CN219124615U

CN219124615U - Auxiliary heat dissipation mechanism for stepping motor driver

Info

Publication number: CN219124615U
Application number: CN202221298142.7U
Authority: CN
Inventors: 刘伟
Original assignee: Changzhou Weitong Electromechanical Manufacturing Co ltd
Current assignee: Changzhou Weitong Electromechanical Manufacturing Co ltd
Priority date: 2022-05-26
Filing date: 2022-05-26
Publication date: 2023-06-02
Anticipated expiration: 2032-05-26

Abstract

The utility model discloses an auxiliary heat dissipation mechanism for a stepping motor driver, which comprises a driver body, wherein the driver body is arranged on the inner side of a shell, the right end of the driver body is fixedly inserted on the right side wall of the shell, cover plates are arranged on the upper side and the lower side of the shell, a plurality of uniformly arranged compression columns are arranged on one side of the two cover plates facing the driver body, a refrigerating mechanism for conveying cold air to the inner side of the shell is arranged at the left end of the shell, air outlets are arranged on the front side and the rear side of the shell close to the right end of the shell, the upper cover plate and the lower cover plate are used for fixing the driver body on the inner side of the shell in a suspending way through the compression columns, and at the moment, the refrigerating mechanism conveys the cold air to the inner side of the shell for refrigerating and cooling the whole outer side surface of the driver body, so that larger area heat dissipation is realized, and the heat dissipation efficiency is greatly improved.

Description

Auxiliary heat dissipation mechanism for stepping motor driver

Technical Field

The utility model relates to the technical field of stepping motor drivers, in particular to an auxiliary heat dissipation mechanism for a stepping motor driver.

Background

A stepper motor driver is an actuator that converts electrical pulses into angular displacements. When the stepping driver receives a pulse signal, the stepping driver drives the stepping motor to rotate a fixed angle according to a set direction, and the service life of the stepping motor driver can be seriously influenced if the stepping motor driver does not timely dissipate heat and cool when working.

The patent number is CN 214900701U's chinese patent, and it discloses a stepper motor driver that radiating effect is good, including driver body and aluminum alloy shell, the front, back and the bottom of aluminum alloy shell are non-enclosed construction, and the top surface of aluminum alloy shell is V type heat dissipation face, is equipped with system control module and wiring port in front of driver body, and heat conduction silica gel piece and semiconductor refrigeration piece are installed to the bottom surface of driver body. The utility model has the beneficial effects that the semiconductor refrigerating sheet can effectively absorb heat at the bottom of the driver in the long-time continuous use process of the stepper motor driver, and the bottom gap of the semiconductor refrigerating sheet discharges heat to the environment, the V-shaped radiating surface at the top also plays a role in rapid heat radiation, and the temperature of the stepper motor driver in the use process can be effectively controlled, so that the stepper motor driver is effectively radiated and protected, the whole structure has no radiating component capable of generating vibration due to mechanical rotation, and the stability of the driver is increased.

In view of the above related art, the inventors have found that the above stepping motor driver cannot perform a complete heat dissipation process on the driver when the driver dissipates heat, and the heat dissipation area is limited, thereby affecting the heat dissipation efficiency.

Disclosure of Invention

In order to make the heat dissipation area of the stepper motor driver bigger and improve the heat dissipation efficiency, the application provides an auxiliary heat dissipation mechanism for the stepper motor driver, which adopts the following technical scheme:

the utility model provides a step motor driver is with supplementary heat dissipation mechanism, includes the driver body, and the inboard at the shell is laid to the driver body, and the right-hand member of driver body is installed and is fixed on the right side wall of shell, and the upper and lower both sides of shell all are provided with the apron, and two apron are provided with a plurality of evenly arranged towards one side of driver body and compress tightly the post, and the left end of shell is provided with the refrigeration mechanism who carries the cold air to its inboard, and the front and back both sides of shell are close to the right-hand member all and are provided with the air outlet.

Through adopting above-mentioned technical scheme, upper and lower two apron are unsettled to be fixed the inboard at the shell with the driver body through compressing tightly the post, and refrigerating mechanism carries the cooling to the whole outside surface of driver body to the interior transport cold air of shell this moment and refrigerates the cooling, realizes great area heat dissipation, great improvement radiating efficiency.

Preferably, a plurality of uniform connecting sleeves are arranged on the upper side and the lower side of the driver body, wiring terminals are fixedly arranged at the right end of the driver body, and the right ends of the wiring terminals are inserted on the right side wall of the shell.

Through adopting above-mentioned technical scheme, thereby the driver body is connected the cooperation through adapter sleeve and is pressed the post and realizes spacing fixed to the driver body.

Preferably, the compaction column on the cover plate is a rubber column, and limiting blocks are arranged at the positions, close to four corners, of the cover plate, and the upper cover plate and the lower cover plate are fixedly connected through supporting legs.

Through adopting above-mentioned technical scheme, the rubber post that compresses tightly the post and select for use has better elasticity and plays shock attenuation buffering's effect when realizing compressing tightly to the driver body elasticity.

Preferably, the support leg comprises a screw rod, the upper end of the screw rod penetrates through the cover plate at the lower side to be screwed on the limiting block of the cover plate at the upper side, the lower end of the screw rod is fixedly provided with a baffle column, and the lower end of the baffle column is provided with a base plate.

Through adopting above-mentioned technical scheme, the stabilizer blade is taut fixed with upper and lower two apron through the screw rod to place the support on the plane through the backing plate.

Preferably, the left side wall of the shell is provided with air inlets which are uniformly distributed, and the right side wall of the shell is provided with mounting ports matched with the wiring terminals.

Through adopting above-mentioned technical scheme, the shell makes the even entering shell of cold air through the fresh air inlet to realize the installation cooperation with the wiring end through the installing port.

Preferably, the refrigeration mechanism comprises a heat dissipation shell fixed on the left side of the shell, heat dissipation fins are arranged on the upper side and the lower side of the heat dissipation shell, semiconductor refrigeration sheets are fixedly arranged on the upper side and the lower side in the heat dissipation shell, refrigeration fins are arranged on the opposite sides of the upper side and the lower side of the semiconductor refrigeration sheets, and fans are fixedly arranged at the front end and the rear end of the heat dissipation shell.

By adopting the technical scheme, the semiconductor refrigerating sheet performs refrigeration through the refrigerating fins, and cold air is sent to the inner side of the shell through the fan.

Compared with the prior art, the utility model has the beneficial effects that:

1. the upper cover plate and the lower cover plate are used for fixing the driver body on the inner side of the shell in a suspending way through the compression column, at the moment, the refrigerating mechanism conveys cold air into the shell to cool the whole outer side surface of the driver body, so that large-area heat dissipation is realized, and the heat dissipation efficiency is greatly improved;

2. the semiconductor refrigerating sheet carries out refrigeration through the refrigerating fins, and cold air is sent to the inner side of the shell through the fan, so that the driver body is cooled better.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a perspective view of an auxiliary heat dissipation mechanism for a stepper motor driver according to the present utility model;

FIG. 2 is a schematic diagram of a driver body of an auxiliary heat dissipation mechanism for a stepper motor driver according to the present utility model;

FIG. 3 is a schematic diagram of a cover plate of an auxiliary heat dissipation mechanism for a stepper motor driver according to the present utility model;

FIG. 4 is a schematic diagram of a foot of an auxiliary heat dissipation mechanism for a stepper motor driver according to the present utility model;

FIG. 5 is a schematic view of a housing of an auxiliary heat dissipation mechanism for a stepper motor driver according to the present utility model;

fig. 6 is a schematic diagram of a cooling mechanism of an auxiliary heat dissipation mechanism for a stepper motor driver according to the present utility model.

In the figure: 1. a refrigeration mechanism; 11. a fan; 12. a heat dissipation shell; 13. a heat radiation fin; 14. a cooling fin; 15. a semiconductor refrigeration sheet; 2. a housing; 21. an air inlet hole; 22. an air outlet; 23. a mounting port; 3. a cover plate; 31. a limiting block; 32. a compression column; 4. a driver body; 41. connecting sleeves; 42. a terminal; 5. a support leg; 51. a screw; 52. a backing plate; 53. and a baffle column.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.

Referring to fig. 1, 2, 3 and 5, an auxiliary heat dissipation mechanism for a stepper motor driver includes a driver body 4, the driver body 4 is disposed inside a housing 2, the right end of the driver body 4 is fixed on the right side wall of the housing 2, cover plates 3 are disposed on both sides of the housing 2, a plurality of uniformly arranged compression columns 32 are disposed on one side of the two cover plates 3 facing the driver body 4, the compression columns 32 on the cover plates 3 are rubber columns, limiting blocks 31 are disposed on the positions of the cover plates 3 close to four corners, the upper cover plates 3 and the lower cover plates 3 are fixedly connected through supporting legs 5, the compression columns 32 are rubber columns with better elasticity to achieve the function of damping and buffering while the elastic compression of the driver body 4 is achieved, the upper and lower both sides of the driver body 4 are provided with a plurality of even adapter sleeves 41, the right end of the driver body 4 is fixedly provided with a wiring terminal 42, the right end of the wiring terminal 42 is inserted on the right side wall of the shell 2, the driver body 4 is connected and matched with the compression column 32 through the adapter sleeves 41 so as to realize the limit fixation of the driver body 4, the left end of the shell 2 is provided with a refrigerating mechanism 1 for conveying cold air to the inner side of the shell 2, the front and rear both sides of the shell 2 are provided with air outlets 22 close to the right end, the left side wall of the shell 2 is provided with evenly distributed air inlet holes 21, the right side wall of the shell 2 is provided with mounting openings 23 matched with the wiring terminal 42, the shell 2 uniformly enters the shell 2 through the air inlet holes 21 and realizes the mounting and matching with the wiring terminal 42 through the mounting openings 23, the upper cover plate 3 and the lower cover plate 3 hang and fix the driver body 4 on the inner side of the shell 2 through the compression column 32, so that the outer side surface of the driver body 4 is in contact with air in a larger area.

Referring to fig. 4 specifically, the supporting leg 5 includes a screw rod 51, the upper end of the screw rod 51 passes through the cover plate 3 at the lower side and is screwed on the stopper 31 of the cover plate 3 at the upper side, a baffle post 53 is fixedly arranged at the lower end of the screw rod 51, a pad 52 is arranged at the lower end of the baffle post 53, the supporting leg 5 tightens and fixes the upper cover plate 3 and the lower cover plate 3 through the screw rod 51, and supports the upper cover plate and the lower cover plate on a plane through the pad 52.

Referring to fig. 6 specifically, the refrigeration mechanism 1 includes a heat dissipation shell 12 fixed on the left side of the housing 2, heat dissipation fins 13 are disposed on the upper and lower sides of the heat dissipation shell 12, semiconductor refrigeration sheets 15 are disposed on the upper and lower sides of the heat dissipation shell 12, refrigeration fins 14 are disposed on opposite sides of the upper and lower semiconductor refrigeration sheets 15, fans 11 are disposed on front and rear ends of the heat dissipation shell 12, the semiconductor refrigeration sheets 15 perform refrigeration through the refrigeration fins 14, and cool air is sent to the inner side of the housing 2 through the fans 11.

The working principle is that when the driver body 4 is subjected to heat radiation, the fan 11 continuously blows air into the heat radiation shell 12, at the moment, the semiconductor refrigerating sheet 15 refrigerates the entering air through the refrigerating fins 14, the cold air enters the inner side of the shell 2 through the air inlet 21 to cool the outer side surface of the driver body 4, and carries heat away to be discharged through the air outlet 22, so that the heat radiation and cooling of the driver body 4 are completed.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. An auxiliary heat dissipation mechanism for a stepper motor driver comprises a driver body (4), and is characterized in that: the utility model discloses a motor drive device, including shell (2), driver body (4), shell (2), air outlet (22) are all provided with, driver body (4) lays in the inboard of shell (2), and the right-hand member of driver body (4) is installed and is fixed on the right side wall of shell (2), the upper and lower both sides of shell (2) all are provided with apron (3), and two apron (3) are provided with a plurality of evenly arranged's compression column (32) towards one side of driver body (4), the left end of shell (2) is provided with refrigerating mechanism (1) to its inboard transport cold air, and the front and back both sides of shell (2) are close to right-hand member all are provided with air outlet (22).

2. An auxiliary heat dissipation mechanism for a stepper motor driver according to claim 1, wherein a plurality of uniform connecting sleeves (41) are arranged on the upper side and the lower side of the driver body (4), a wiring terminal (42) is fixedly arranged at the right end of the driver body (4), and the right end of the wiring terminal (42) is inserted on the right side wall of the housing (2).

3. The auxiliary heat dissipation mechanism for the stepper motor driver according to claim 1, wherein the compression column (32) on the cover plate (3) is a rubber column, and limiting blocks (31) are arranged at the positions, close to four corners, of the cover plate (3), and the upper cover plate (3) and the lower cover plate (3) are fixedly connected through supporting legs (5).

4. An auxiliary heat dissipation mechanism for a stepper motor driver according to claim 3, characterized in that the support leg (5) comprises a screw rod (51), the upper end of the screw rod (51) passes through the cover plate (3) at the lower side and is screwed on the limit block (31) of the cover plate (3) at the upper side, a baffle column (53) is fixedly arranged at the lower end of the screw rod (51), and a backing plate (52) is arranged at the lower end of the baffle column (53).

5. An auxiliary heat radiation mechanism for a stepper motor driver according to claim 2, characterized in that the left side wall of the housing (2) is provided with uniformly arranged air inlet holes (21), and the right side wall of the housing (2) is provided with a mounting opening (23) matched with the wiring terminal (42).

6. The auxiliary heat dissipation mechanism for the stepper motor driver according to claim 1, wherein the refrigeration mechanism (1) comprises a heat dissipation shell (12) fixed on the left side of the casing (2), heat dissipation fins (13) are arranged on the upper side and the lower side of the heat dissipation shell (12), semiconductor refrigeration sheets (15) are fixedly arranged on the upper side and the lower side in the heat dissipation shell (12), refrigeration fins (14) are arranged on opposite surfaces of the upper side and the lower side of the semiconductor refrigeration sheets (15), and fans (11) are fixedly arranged on the front end and the rear end of the heat dissipation shell (12).