CN112492844A

CN112492844A - Active heat radiation structure for servo driver

Info

Publication number: CN112492844A
Application number: CN202011346004.7A
Authority: CN
Inventors: 谢小三; 魏思文
Original assignee: Nanjing Rita Automation Technology Co ltd
Current assignee: Nanjing Rita Automation Technology Co ltd
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-03-12
Anticipated expiration: 2040-11-25
Also published as: CN112492844B

Abstract

The invention discloses an active heat dissipation structure for a servo driver, which comprises a frame body, wherein fixing frames are welded on the upper side and the lower side of the inside of the frame body, a groove is formed in the fixing frame, a servo driver body is arranged in the groove, a limiting structure is arranged in the fixing frame, the limiting structure is matched with the servo driver body for use, vent holes are formed in the two sides of the frame body, and a first placing groove is formed in the bottom of the frame body; according to the active heat dissipation structure for the servo driver, the frame body, the fixing frame, the servo driver body, the limiting structure, the vent holes, the first placing groove, the motor, the driving wheel, the air cooling structure, the supporting plate, the water cooling structure and the heat dissipation fins are arranged, so that the active heat dissipation structure for the servo driver has the advantages of being good in heat dissipation effect, convenient to install and fix and good in protection effect, and the problems that the heat dissipation effect of the existing heat dissipation structure is not ideal, inconvenient to install and fix and poor in protection effect are solved.

Description

Active heat radiation structure for servo driver

Technical Field

The invention relates to the technical field of driver heat dissipation, in particular to an active heat dissipation structure for a servo driver.

Background

The servo driver is also called servo controller and servo amplifier, and is one controller for controlling servo motor, similar to frequency converter acting on common AC motor, and belongs to the field of servo system. The servo motor is generally controlled through three modes of position, speed and moment, high-precision positioning of a transmission system is realized, the servo motor is a high-end product of a transmission technology at present, a servo driver is an important component of modern motion control, and the servo motor is widely applied to automation equipment such as industrial robots, numerical control machining centers and the like. Especially, a servo driver applied to control an alternating current permanent magnet synchronous motor has become a research hotspot at home and abroad. Current, speed and position 3 closed-loop control algorithms based on vector control are commonly adopted in the current AC servo driver design. Whether the speed closed loop design in the algorithm is reasonable or not plays a key role in the whole servo control system, particularly the performance of speed control.

Servo driver can produce the heat at the in-process that uses, and the heat if give off in time, can influence its work efficiency to lead to the fact the influence to its life, current radiating structure radiating effect is unsatisfactory, and inconvenient installation is fixed, and the protecting effect is poor, for this reason, we have proposed a radiating effect good, and easy to assemble is fixed, and the servo driver that the protecting effect is good uses active radiating structure, solves the problem that above-mentioned content exists.

Disclosure of Invention

The invention aims to provide an active heat dissipation structure for a servo driver, which has the advantages of good heat dissipation effect, convenience in mounting and fixing and good protection effect, and solves the problems of unsatisfactory heat dissipation effect, inconvenience in mounting and fixing and poor protection effect of some heat dissipation structures.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an active heat radiation structure for servo driver, includes the framework, the mount has all been welded to the inside upper and lower both sides of framework, the recess has been seted up to the inside of mount, and the inside of recess is equipped with the servo driver body, the inside of mount is equipped with limit structure, limit structure uses with the cooperation of servo driver body, the ventilation hole has all been seted up to the both sides of framework, first standing groove has been seted up to the bottom of framework, the internally mounted of first standing groove has the motor, the action wheel is installed to the output shaft of motor, the output shaft and the inside rotation of first standing groove of motor are connected, air-cooled structure is all installed to the both sides of first standing groove, the backup pad has all been welded to the inside both sides of framework, install water-cooling structure between the backup pad, radiating fin is.

Preferably, limit structure includes the spacing groove, the inside at the mount is seted up in the spacing groove, the internally mounted of spacing groove has the telescopic link, the surface cover of telescopic link is equipped with the spring, the tip welding of telescopic link has the limiting plate, the opposite side welding of limiting plate has the stopper, one side that the limiting plate was kept away from to the stopper extends to the outside of mount.

Preferably, the limiting plate is connected with the limiting groove in a sliding mode, one side of the limiting plate is in contact with the spring, and the end portion of the limiting block is an inclined plane.

Preferably, the air-cooling structure includes the second standing groove, the both sides of framework bottom are seted up to the second standing groove, the inside rotation of second standing groove is connected with the rotary rod, the fixed surface of rotary rod installs from the driving wheel, pass through the belt from the surface of driving wheel and be connected with the action wheel transmission, the fixed surface of rotary rod installs the flabellum, the louvre has been seted up at the top of second standing groove.

Preferably, a through groove is formed between the second placing groove and the first placing groove, and the belt is located inside the through groove.

Preferably, the water-cooling structure includes the water tank, water tank fixed mounting is in the inside of framework, the inside fixed mounting that the top of water tank just is located the framework has the water pump, water tank and water pump intercommunication, the backup pad is kept away from one side of framework and is installed the cooling plate, the cooling bath has been seted up to the inside of cooling plate, radiating fin fixed mounting is on the surface of cooling plate.

Preferably, the top of the cooling plate is communicated with a water pump, the bottom of the cooling plate is communicated with a water tank, and the cooling plate is made of copper-aluminum alloy.

Preferably, handles are installed on two sides of the servo driver body, and anti-skid grains are formed in the surface of each handle.

Preferably, the sliding grooves are formed in the two sides of the inner portion of the fixing frame, the sliding blocks are connected to the inner portions of the sliding grooves in a sliding mode, and one sides, far away from the sliding grooves, of the sliding blocks are fixedly connected with the servo driver body.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the active heat dissipation structure for the servo driver, the frame body, the fixing frame, the servo driver body, the limiting structure, the vent holes, the first placing groove, the motor, the driving wheel, the air cooling structure, the supporting plate, the water cooling structure and the heat dissipation fins are arranged, so that the active heat dissipation structure for the servo driver has the advantages of being good in heat dissipation effect, convenient to install and fix and good in protection effect, and the problems that the heat dissipation effect of the existing heat dissipation structure is not ideal, inconvenient to install and fix and poor in protection effect are solved.

2. The invention can limit and fix the servo driver body through the arrangement of the limiting groove, the telescopic rod, the spring, the limiting plate and the limiting block, is convenient for workers to install, can facilitate the servo driver body to enter the fixing frame through the limiting block adopting the inclined plane and fix the servo driver body, can carry out air-cooled heat dissipation on the inner part of the frame body through the arrangement of the second placing groove, the rotary rod, the driven wheel, the fan blade and the heat dissipation hole, can reduce the temperature of the servo driver body, can facilitate the kinetic energy transmission of a belt through the arrangement of the through groove, can carry out water-cooled heat dissipation on the inner part of the frame body through the arrangement of the water tank, the water pump, the cooling plate and the cooling groove, can further improve the heat dissipation effect through the cooling plate adopting copper-aluminum alloy, and can facilitate the workers to move the servo driver body through the arrangement of the handle, the servo driver body can be limited by matching the sliding groove with the sliding block, and the servo driver body is prevented from shaking.

Drawings

FIG. 1 is a schematic cross-sectional view of the structure of the present invention;

FIG. 2 is an enlarged view of a portion of the invention at A in FIG. 1;

FIG. 3 is a left side cross-sectional view of a portion of the structure of the present invention;

FIG. 4 is an enlarged view of a portion of the present invention at B of FIG. 3;

FIG. 5 is a perspective view of a portion of the present invention;

FIG. 6 is a sectional view of a cooling plate structure according to the present invention.

In the figure: 1. a frame body; 2. a fixed mount; 3. a servo driver body; 4. a limiting structure; 41. a limiting groove; 42. a telescopic rod; 43. a spring; 44. a limiting plate; 45. a limiting block; 5. a vent hole; 6. a first placing groove; 7. a motor; 8. a driving wheel; 9. an air-cooled structure; 91. a second placing groove; 92. rotating the rod; 93. a driven wheel; 94. a fan blade; 95. heat dissipation holes; 10. a support plate; 11. a water-cooling structure; 111. a water tank; 112. a water pump; 113. a cooling plate; 114. a cooling tank; 12. a heat dissipating fin; 13. a through groove; 14. a handle; 15. a chute; 16. a slide block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, an active heat dissipation structure for a servo driver comprises a frame body 1, wherein a fixing frame 2 is welded on the upper side and the lower side of the inside of the frame body 1, a groove is formed in the fixing frame 2, a servo driver body 3 is arranged in the groove, a limiting structure 4 is arranged in the fixing frame 2, the limiting structure 4 is matched with the servo driver body 3 for use, vent holes 5 are formed in the two sides of the frame body 1, a first placing groove 6 is formed in the bottom of the frame body 1, a motor 7 is arranged in the first placing groove 6, a driving wheel 8 is arranged on an output shaft of the motor 7, the output shaft of the motor 7 is rotatably connected with the inside of the first placing groove 6, air cooling structures 9 are arranged on the two sides of the first placing groove 6, support plates 10 are welded on the two sides of the inside of the frame body 1, a water cooling structure, through framework 1, mount 2, servo driver body 3, limit structure 4, ventilation hole 5, first standing groove 6, motor 7, action wheel 8, air-cooled structure 9, backup pad 10, water-cooled structure 11 and radiating fin 12's setting, make servo driver use active heat radiation structure, it is good to possess the radiating effect, it is fixed easy to assemble, advantage that the protecting effect is good has solved some heat radiation structure radiating effect unsatisfactory, and inconvenient installation is fixed, the poor problem of protecting effect.

In this embodiment, limit structure 4 includes spacing groove 41, spacing groove 41 is seted up in the inside of mount 2, the internally mounted of spacing groove 41 has telescopic link 42, telescopic link 42's surface cover is equipped with spring 43, telescopic link 42's tip welding has limiting plate 44, limiting plate 44's opposite side welding has stopper 45, one side that limiting plate 44 was kept away from to stopper 45 extends to the outside of mount 2, through spacing groove 41, telescopic link 42, spring 43, limiting plate 44 and stopper 45's setting, can carry out spacing fixed to servo driver body 3, make things convenient for the staff to install.

In this embodiment, limiting plate 44 and limiting groove 41's inside sliding connection, limiting plate 44's one side and spring 43 contact, and the tip of stopper 45 is the inclined plane, through the stopper 45 that adopts the inclined plane, makes things convenient for servo driver body 3 to get into mount 2 to fix servo driver body 3.

In this embodiment, the air-cooling structure 9 includes a second placing groove 91, the second placing groove 91 is opened in both sides of the bottom of the frame body 1, the internal rotation of the second placing groove 91 is connected with a rotating rod 92, the fixed surface of the rotating rod 92 is provided with a driven wheel 93, the surface of the driven wheel 93 is in transmission connection with the driving wheel 8 through a belt, the fixed surface of the rotating rod 92 is provided with a fan blade 94, a heat dissipation hole 95 is formed in the top of the second placing groove 91, the second placing groove 91 is passed through, the rotating rod 92, the driven wheel 93, the fan blade 94 and the heat dissipation hole 95 are arranged, the air-cooling heat dissipation can be performed on the inside of the frame body.

In this embodiment, through groove 13 has been seted up between second standing groove 91 and first standing groove 6, and the belt is located through groove 13's inside, through the setting that leads to groove 13, makes things convenient for the belt to carry out the kinetic energy transmission.

In this embodiment, water-cooling structure 11 includes water tank 111, water tank 111 fixed mounting is in the inside of framework 1, the inside fixed mounting that is located framework 1 at the top of water tank 111 has water pump 112, water tank 111 and water pump 112 intercommunication, cooling plate 113 is installed to one side that backup pad 10 keeps away from framework 1, cooling bath 114 has been seted up to cooling plate 113's inside, radiating fin 12 fixed mounting is on the surface of cooling plate 113, through water tank 111, water pump 112, the setting of cooling plate 113 and cooling bath 114, can carry out the water-cooling heat dissipation to framework 1 inside, promote the radiating effect of servo driver body 3.

In this embodiment, the top of cooling plate 113 communicates with water pump 112, and the bottom of cooling plate 113 communicates with water tank 111, and the material of cooling plate 113 is copper aluminum alloy, through the cooling plate 113 that adopts copper aluminum alloy, can further promote the radiating effect.

In this embodiment, handle 14 is all installed to servo driver body 3's both sides, and anti-skidding line has been seted up on handle 14's surface, through handle 14's setting, can make things convenient for the staff to remove servo driver body 3.

In this embodiment, spout 15 has all been seted up to the inside both sides of mount 2, and the inside sliding connection of spout 15 has slider 16, and slider 16 keeps away from one side and 3 fixed connection of servo driver body of spout 15, uses through the cooperation of spout 15 and slider 16, can carry on spacingly to servo driver body 3, prevents that rocking from appearing in servo driver body 3.

When the device is used, the servo driver body 3 is held by the handle 14, the sliding block 16 is plugged into the sliding groove 15 and pushes the servo driver body 3, then the servo driver body 3 contacts the limiting block 45 and pushes the limiting block 45, then the limiting block 45 moves upwards and pushes the limiting plate 44, then the telescopic rod 42 and the spring 43 are pushed, then the servo driver body 3 moves to the back of the limiting block 45, the limiting block 45 is popped by the spring 43 and limits and fixes the servo driver body 3, when the servo driver body 3 works, the motor 7 and the water pump 112 are started, the motor 7 drives the driving wheel 8 to rotate, the driving wheel 8 drives the driven wheel 93 to rotate through a belt, the driven wheel 93 drives the rotating rod 92 to rotate, the rotating rod 92 drives the fan blades 94 to rotate, the inside of the frame body 1 is cooled by air, and then the water pump 112 pumps cooling water out of the water tank 111, and discharged to the cooling grooves 114 in the cooling plates 113, and then the cooling water performs heat exchange on the heat absorbed by the cooling fins 12 and the cooling plates 113 to cool and dissipate the heat, thereby cooling the inside of the frame 1.

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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 servo driver is with active heat radiation structure, includes framework (1), its characterized in that: the upper side and the lower side of the inner part of the frame body (1) are both welded with a fixing frame (2), the inner part of the fixing frame (2) is provided with a groove, the inner part of the groove is provided with a servo driver body (3), the inner part of the fixing frame (2) is provided with a limiting structure (4), the limiting structure (4) is matched with the servo driver body (3) for use, the two sides of the frame body (1) are both provided with ventilation holes (5), the bottom of the frame body (1) is provided with a first placing groove (6), the inner part of the first placing groove (6) is provided with a motor (7), an output shaft of the motor (7) is provided with a driving wheel (8), the output shaft of the motor (7) is rotatably connected with the inner part of the first placing groove (6), the two sides of the first placing groove (6) are both provided with air cooling structures (9), and the, install water-cooling structure (11) between backup pad (10), radiating fin (12) are installed to the inboard of water-cooling structure (11).

2. The active heat dissipation structure of claim 1, wherein: limiting structure (4) include spacing groove (41), the inside in mount (2) is seted up in spacing groove (41), the internally mounted of spacing groove (41) has telescopic link (42), the surface cover of telescopic link (42) is equipped with spring (43), the tip welding of telescopic link (42) has limiting plate (44), the opposite side welding of limiting plate (44) has limiting block (45), one side that limiting plate (44) were kept away from in limiting block (45) extends to the outside of mount (2).

3. The active heat dissipation structure of claim 2, wherein: the limiting plate (44) is connected with the inside of the limiting groove (41) in a sliding mode, one side of the limiting plate (44) is in contact with the spring (43), and the end portion of the limiting block (45) is an inclined plane.

4. The active heat dissipation structure of claim 1, wherein: air-cooled structure (9) include second standing groove (91), the both sides of framework (1) bottom are seted up in second standing groove (91), the inside rotation of second standing groove (91) is connected with rotary rod (92), the fixed surface of rotary rod (92) installs from driving wheel (93), it is connected with action wheel (8) transmission through the belt to follow the surface of driving wheel (93), the fixed surface of rotary rod (92) installs flabellum (94), louvre (95) have been seted up at the top of second standing groove (91).

5. The active heat dissipation structure of claim 4, wherein: a through groove (13) is formed between the second placing groove (91) and the first placing groove (6), and the belt is located inside the through groove (13).

6. The active heat dissipation structure of claim 1, wherein: water-cooling structure (11) include water tank (111), water tank (111) fixed mounting is in the inside of framework (1), the inside fixed mounting that the top of water tank (111) just is located framework (1) has water pump (112), water tank (111) and water pump (112) intercommunication, backup pad (10) are kept away from one side of framework (1) and are installed cooling plate (113), cooling bath (114) have been seted up to the inside of cooling plate (113), radiating fin (12) fixed mounting is on the surface of cooling plate (113).

7. The active heat dissipation structure of claim 6, wherein: the top of the cooling plate (113) is communicated with a water pump (112), the bottom of the cooling plate (113) is communicated with a water tank (111), and the cooling plate (113) is made of copper-aluminum alloy.

8. The active heat dissipation structure of claim 1, wherein: handles (14) are installed on two sides of the servo driver body (3), and anti-skid grains are formed in the surfaces of the handles (14).

9. The active heat dissipation structure of claim 1, wherein: the servo driver is characterized in that sliding grooves (15) are formed in two sides of the interior of the fixing frame (2), sliding blocks (16) are connected to the interior of the sliding grooves (15) in a sliding mode, and one side, far away from the sliding grooves (15), of each sliding block (16) is fixedly connected with the servo driver body (3).