CN211457799U - Servo motor driver and automation equipment - Google Patents

Abstract

The embodiment of the utility model provides a servo motor driver and automation equipment, servo motor driver's heat dissipation frame (2) top (21) and bottom (22) run through top (11) and bottom (12) of its casing (1) respectively to expose outside casing (1), make the heat can directly follow the top (21) and the bottom (22) of exposing outside and effuse fast; the front end (221) of the bottom (22) of the heat dissipation frame (2) is exposed out of the front end cover (13) of the shell (1), and at least two grounding screws (222) are arranged, so that the use of workers is facilitated, the grounding connection is prevented from loosening and even falling off in the process of using the driver in a vertical placement mode, and the reliability and the safety of the driver can be improved; the fan (3) is installed at the rear end (223) and the rear side (24) of the heat dissipation frame (2), air outside the shell (1) is guided into the shell (1), and the heat dissipation performance of the driver is further improved.

Description

Servo motor driver and automation equipment

Technical Field

The embodiment of the utility model provides a relate to motor driver technical field, more specifically say, relate to a servo motor driver and automation equipment.

Background

The structural design of the servo motor driver is strongly related to the overall heat dissipation effect of the driver product. The internal device of the servo motor driver is easy to generate a large amount of heat in the operation process, if the heat cannot be dissipated in time, the temperature of the internal device of the servo motor driver is too high, so that the internal device of the servo motor driver is damaged, the servo motor driver cannot work normally, the use time is long, the phenomenon is greatly reduced, and the like, and therefore how to solve the heat dissipation problem of the servo through the structural design is one of the main targets pursued by each design unit.

In addition, another key factor of the structural design of the servo motor driver is the arrangement mode of the grounding screw. The current mainstream setting mode is to set a grounding screw at the bottom of a servo motor driver, and the setting mode causes inconvenience in grounding connection; and after the grounding connection, when the servo motor driver is vertically placed, the grounding connection is easily affected by external force in the placing and using processes, so that the connection is loosened and falls off, the reliability of the servo motor driver is reduced, and potential safety hazards are caused to the use of the servo motor driver. In addition, only one grounding screw is generally arranged on the existing servo motor driver, and when the requirement that a plurality of servo motor drivers need to be connected in series and grounded is met, the existing single grounding screw is very inconvenient for field wiring.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the utility model is to provide a servo motor driver and automation equipment solves the radiating effect who how to promote servo motor driver to and how to promote convenience, the problem of reliability that servo motor ground connection is connected.

In order to solve the above problem, an embodiment of the utility model provides a servo motor driver, servo motor driver includes: the heat dissipation device comprises a shell 1, a heat dissipation frame 2 which is matched with the shell 1 to form a closed space, and a circuit board arranged in the closed space;

the top 21 and the bottom 22 of the heat dissipation frame 2 respectively penetrate through the top 11 and the bottom 12 of the housing 1 and are exposed outside the housing 1, the front end 221 of the bottom 22 of the heat dissipation frame 2 is exposed outside the front end cover 13 on the front side of the housing, at least two grounding screws 222 are arranged at the front end 221 of the bottom 22 of the heat dissipation frame 2, and at least one grounding screw 222 is connected with an internal grounding wire arranged on the circuit board;

a plurality of radiating fins are longitudinally arranged on the radiating frame 2, and a radiating air channel is formed by gaps between adjacent radiating fins; a fan installation position is reserved between the rear end 223 of the bottom 22 of the heat dissipation frame 2 and the rear side wall 24 of the heat dissipation frame 2 and is located at the bottom of the heat dissipation fin, the fan 3 is installed at the fan installation position, and the fan (3) forms air flow to discharge hot air inside the shell (1) along the heat dissipation air duct.

Optionally, two ground screws 222 are disposed at the front end 221 of the bottom 22 of the heat dissipation frame 2, and at least one of the two ground screws (222) is connected to or suspended from ground screws of other servo motor drivers.

Optionally, the servo motor driver further includes a fan cover plate 4 disposed at the bottom of the fan 3 and fixed to the bottom 12 of the housing 1, and the fan cover plate 4 has a hollow hole 41 for allowing air to flow through.

Optionally, the front end 221 of the bottom 22 of the heat dissipation frame 2 is exposed outside the front end cover 13 on the front side of the housing and is flush with the front end cover 13.

Optionally, at least one set of first fasteners 224 is disposed in a region of the bottom 22 of the heat dissipation frame 2 exposed outside the housing 1, and at least one set of first slots 121 for the first fasteners 224 to be inserted into are disposed at positions of the bottom 12 of the housing 1 corresponding to the first fasteners 224 to form a first fastening connection;

or the like, or, alternatively,

at least one group of third clamping grooves are formed in the area, exposed out of the shell (1), of the bottom (22) of the heat dissipation frame (2), and at least one group of third buckles used for being inserted into the third clamping grooves to form third buckling connection are arranged at the positions, corresponding to the third clamping grooves, of the bottom (12) of the shell (1);

or the like, or, alternatively,

the servo motor driver further comprises a first screw, a first screw hole is formed in the region, outside the shell (1), of the bottom (22) of the heat dissipation frame (2), a second screw hole is formed in the position, corresponding to the first screw hole, of the bottom (12) of the shell (1), the first screw penetrates through the second screw hole and the first screw hole in sequence, and the bottom (22) of the heat dissipation frame (2) is fixedly connected with the bottom (12) of the shell (1).

Optionally, at least one set of second fasteners 211 is disposed in a region of the top 21 of the heat dissipation frame 2 exposed outside the housing 1, and at least one set of second slots 111 for the second fasteners 211 to be inserted into are disposed at a position of the top 11 of the housing 1 corresponding to the second fasteners 211 to form a second fastening connection;

or the like, or, alternatively,

at least one group of fourth clamping grooves are formed in the area, exposed out of the shell (1), of the top (21) of the heat dissipation frame (2), and at least one group of fourth buckles used for being inserted into the fourth clamping grooves to form fourth buckling connection are arranged at the positions, corresponding to the fourth clamping grooves, of the top (11) of the shell (1);

or the like, or, alternatively,

the servo motor driver further comprises a second screw, a third screw hole is formed in the region, outside the shell (1), of the top (21) of the heat dissipation frame (2), a fourth screw hole is formed in the position, corresponding to the third screw hole, of the top (11) of the shell (1), the second screw penetrates through the fourth screw hole and the third screw hole in sequence, and the top (21) of the heat dissipation frame (2) is fixedly connected with the top (11) of the shell (1).

Optionally, two sets of second fasteners 211 are disposed in an area of the top 21 of the heat dissipation frame 2 exposed outside the housing 1, wherein one set of the second fasteners 211 is located in an area close to the rear sidewall 24 of the heat dissipation frame 2, and the other set of the second fasteners 211 is located in an area close to the front side of the heat dissipation frame 2.

Optionally, the circuit board includes a first circuit board and a second circuit board disposed in the enclosed space and respectively located on two sides of the heat dissipation frame 2.

Optionally, the servo motor driver further includes a first interface group 51, a second interface group 52 and a display unit 6, where the first interface group 51 is fixedly disposed on the first circuit board and exposed to the outside through a first hollow hole group disposed on the front end cover 13; the second interface group 52 is fixedly disposed on the second circuit board and exposed to the outside through a second through hole group disposed on the front end cover 13; the first interface group 51 and the second interface group 52 are distributed on the front end cover 13 in two rows, and the display units 6 are exposed outside through the display unit hollow holes on the front end cover 13 and on the second interface group 52.

Optionally, the left side and the right side of the rear side wall (24) of the heat dissipation frame (2) are respectively provided with a fifth clamping groove (242) and a sixth clamping groove (241), and the left side and the right side of the front end cover (13) of the shell (1) are respectively provided with a seventh clamping groove and an eighth clamping groove; the rear end of the left end cover of the shell (1) is provided with a fifth buckle (141) which is positioned corresponding to the fifth clamping groove and is inserted into the fifth clamping groove to form a fifth buckle connection, and the front end of the left end cover of the shell (1) is provided with a seventh buckle (142) which is positioned corresponding to the seventh clamping groove and is buckled into the seventh clamping groove to form a seventh buckle connection; the rear end of the right end cover of the shell (1) is provided with a sixth buckle (151) which is positioned corresponding to the sixth clamping groove (241) and is inserted into the sixth clamping groove to form a sixth buckle, and the front end of the right end cover of the shell (1) is provided with an eighth buckle (152) which is positioned corresponding to the eighth clamping groove and is buckled into the eighth clamping groove to form an eighth buckle.

In order to solve the above problem, the embodiment of the utility model provides an automation equipment is still provided, automation equipment include as above the servo motor driver, and with the motor that the servo motor driver is connected, the servo motor driver is used for control the motor.

The embodiment of the utility model provides a beneficial effect is:

the embodiment of the utility model provides a servo motor driver and automation equipment, on the one hand, servo motor driver's heat dissipation frame 2 top 21 and bottom 22 run through top 11 and bottom 12 of its casing 1 respectively to expose outside casing 1, make heat dissipation frame 2 can be with the heat of absorbing from casing 1 from exposing outside top 21 and bottom 22 and spill out fast, thereby promote the heat dispersion of driver;

on the other hand, the front end 221 of the bottom 22 of the heat dissipation frame 2 is exposed out of the front end cover 13 at the front side of the housing 1, and the front end 221 of the bottom 22 of the heat dissipation frame 2 is provided with at least two grounding screws 222, at least one grounding screw 222 is connected with an internal grounding wire arranged on the circuit board; by arranging the grounding screw 222 on the same side with the front end cover 13 of the shell 1, the use, installation and management of workers are facilitated, the grounding connection is prevented from loosening and even falling off in the process of vertically placing the driver for use, and the reliability and safety of the driver can be improved; in addition, the grounding screw 222 is directly arranged on the heat dissipation frame 2, so that the use of a grounding screw seat can be omitted, and the integrity of the product can be improved; at least two grounding screws are arranged at the same time, so that when a plurality of servo motor drivers need to be grounded in series, series connection between the plurality of servo motor drivers is facilitated, and the convenience and the reliability of application are further improved;

on the other hand, a plurality of radiating fins are longitudinally arranged on the radiating frame 2, and a radiating air channel is formed by gaps between adjacent radiating fins; a fan mounting position is reserved between the rear end 223 of the bottom 22 of the heat dissipation frame 2 and the rear side wall 24 of the heat dissipation frame 2 and is located at the bottom of the heat dissipation fin, the fan 3 is mounted at the fan mounting position, and the fan 3 forms air flow to guide air outside the shell 1 into the shell 1, so that exchange of cold air and hot air in the shell is accelerated, and heat dissipation performance of the driver is further improved.

Drawings

The invention will be further explained with reference to the drawings and examples, wherein:

fig. 1 is a front view of a servo motor driver provided in this embodiment;

fig. 2 is a rear view of a servo motor driver provided in this embodiment;

fig. 3 is a left side view of a servo motor driver provided in this embodiment;

fig. 4 is a right side view of a servo motor driver provided in the present embodiment;

fig. 5 is a top view of a servo motor driver provided in this embodiment;

fig. 6 is a bottom view of a servo motor driver provided in this embodiment;

fig. 7 is a first perspective view of a servo motor driver provided in this embodiment;

fig. 8 is a second perspective view of a servo motor driver provided in this embodiment.

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, not all embodiments, in the present invention. 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.

The present invention will now be further explained by way of the detailed description in conjunction with the drawings.

The embodiment of the utility model provides a servo motor driver, from aspects such as heat dispersion, the convenience that ground connection used, reliability that promote servo motor driver, improve servo motor driver's structure for servo motor driver after the improvement can have great promotion on heat dispersion, has again that ground connection connects the convenience, uses reliably, the better characteristic of security.

For easy understanding, the present embodiment is described below with reference to the servo motor driver illustrated in fig. 1 to 8; and it should be understood that the structure provided by the present embodiment is not limited to the servo motor driver shown in fig. 1 to 8, and is also applicable to a stepping motor driver, a hybrid motor driver, or the like.

Referring to fig. 1 to 8, the servo motor driver in the present embodiment includes: a housing 1, a heat dissipation frame 2 cooperating with the housing 1 to form a closed space, and a circuit board (not shown) disposed in the closed space; wherein:

the top 21 and the bottom 22 of the heat dissipation frame 2 respectively penetrate through the top 11 and the bottom 12 of the housing 1 and are exposed outside the housing 1, so that the heat dissipation frame 2 can quickly dissipate heat absorbed from the housing 1 from the exposed top 21 and the exposed bottom 22, and the heat dissipation performance of the driver is improved;

the front end 221 of the bottom 22 of the heat dissipation frame 2 is exposed out of the front end cover 13 at the front side of the housing 1, and the front end 221 of the bottom 22 of the heat dissipation frame 2 is provided with at least two grounding screws 222, at least one grounding screw 222 is connected with an internal grounding wire arranged on the circuit board; by directly arranging the grounding screw 222 on the heat dissipation frame 2, the integrity of the product can be improved, and meanwhile, the use of a grounding screw seat can be omitted, so that the cost is reduced; in addition, the grounding screw 222 is arranged on the same side of the front end cover 13 of the shell 1, so that the use, installation and management of workers are facilitated, the phenomenon that the grounding connection is loosened or even falls off when the servo motor driver is vertically placed in the use process can be avoided, and the reliability and safety of the driver can be improved.

It should be understood that the specific number of the grounding screws 222 in the present embodiment can be flexibly configured according to specific requirements. For example, in one example, two grounding screws 222 are disposed at the front end 221 of the bottom 22 of the heat sink 2, wherein at least one grounding screw 222 is connected to an internal grounding wire disposed on the circuit board, and at least one grounding screw 222 is connected to or suspended from a grounding screw on another servo motor driver. The specific connection mode can be flexibly selected according to specific requirements. For example, in some application scenarios, one or two ground screws 222 may be disposed to connect to an internal ground line disposed on the circuit board, and one or two ground screws 222 may be simultaneously connected to or suspended from ground screws on other servo motor drivers. For example, in this example, the left grounding screw 222 in fig. 1 may be provided as a first grounding screw, the right grounding screw 222 in fig. 1 may be provided as a second grounding screw, the first grounding screw may be used to connect with an internal grounding wire provided on the circuit board, the second grounding screw may also be used to connect with an internal grounding wire provided on the circuit board, and the second grounding screw may also be connected with the first grounding screw on the servo motor driver of the next stage, if necessary. In the present embodiment, the first grounding screw and the second grounding screw are both located on the same side of the front end cover 13 of the housing 1, which is convenient for installation and use.

In some examples of the present embodiment, please refer to fig. 1, the grounding screw 222 is located near the middle area of the bottom of the front cover 13 of the housing 1, so as to further improve the convenience of wiring, save the wiring and reduce the cost. It should be understood that the specific location of the ground screw 222 may be adjusted as desired, for example, to a region near the middle of the front cover 13 of the housing 1.

In some examples of the present embodiment, the heat dissipation frame 2 is made of a conductive material with a good thermal conductivity, such as a metal material or a conductive ceramic material, and the heat dissipation frame 2 itself can be directly used as a proxy for a conventional ground screw, so that the product uniformity is good and the cost is low. In the present examples, a screw hole is provided on the front end 221 of the bottom portion 22 of the heat radiation frame 2, and the ground screw 222 is screwed into the screw hole while achieving fixation and electrical connection.

In some examples of this embodiment, a ground through hole connected to an internal ground line may also be provided on the circuit board, a ground screw hole corresponding to the ground through hole may be provided on the heat dissipation frame 2, the internal ground screw passes through the ground through hole and is screwed into the ground screw hole, and a portion of the internal ground screw located in the ground through hole is connected to the internal ground line.

In some examples of the present embodiment, the front end 221 of the bottom 22 of the heat dissipation frame 2 exposed out of the front end cover 13 on the front side of the housing may be disposed flush with the front end cover 13, so that the front end 221 of the bottom 22 of the heat dissipation frame 2 exposed out of the front end cover 13 on the front side of the housing is visually integrated with the front end cover 13, thereby further improving the integrity of the product.

In this embodiment, the heat dissipation frame 2 is longitudinally provided with a plurality of heat dissipation fins (not shown in the figure), and a heat dissipation air duct is formed by the gap between adjacent heat dissipation fins; in this embodiment, at least one of the front surface and the back surface of the heat dissipation frame 2 is longitudinally provided with a plurality of heat dissipation fins, and the specific number of the heat dissipation fins can be flexibly selected according to specific requirements; for example, in some examples, a plurality of heat dissipation fins may be longitudinally disposed on both the front and back surfaces of the heat dissipation frame 2, and the heat dissipation fins may be parallel to each other or may be non-parallel according to requirements. The vertical setting can adopt vertical setting, can adopt vertical slope setting etc. and specifically also can set for according to the demand is nimble. And it should be understood that at least one heat dissipating fin may be integrally formed with the heat dissipating body of the heat dissipating frame, or may be disposed on the heat dissipating body in a non-integrally formed manner. And the intervals between each radiating fin can be set to be equal, and also can be partially set to be equal, and can be partially set to be unequal. In this embodiment, the heat dissipation body and the heat dissipation fins may be made of various solid conductive materials with good heat dissipation performance, such as but not limited to various metal materials or conductive ceramic materials with good heat dissipation performance.

In some examples, a flow blocking column may be formed on the cooling fin body of at least one cooling fin, extending outward from two side faces of the cooling fin body, where the flow blocking column is located on a side wall of the cooling air duct corresponding to the cooling fin for changing a flow direction of an air flow in the cooling air duct; thereby further improving the heat dissipation efficiency.

In the present embodiment, as shown in fig. 7-8, the rear side of the casing 1 is an opening (that is, the casing 1 does not have a rear end cover), when the heat dissipation frame 2 is installed, the heat dissipation frame 2 is inserted into the casing 1, the top 11 and the bottom 12 of the casing 1 are respectively fastened to the top 21 and the bottom 22 of the heat dissipation frame 2, and after the casing 1 is installed in place, the rear sidewall 24 of the heat dissipation frame 2 closes the opening at the rear side of the casing 1, so that the heat dissipation frame 2 and the casing 1 cooperate to form a closed space, and the circuit board is disposed in the closed space.

In this embodiment, a fan installation position is reserved between the rear end 223 of the bottom 22 of the heat dissipation frame 2 and the rear side wall 24 of the heat dissipation frame 2, the fan installation position is located at the bottom of the heat dissipation fin, the fan 3 is installed at the fan installation position, the fan 3 forms an air flow to guide the air outside the housing 1 into the housing 1, and the hollow-out heat dissipation grid 112 is further arranged on the top 11 of the housing 1, so that when the fan 3 at the bottom forms an air flow to guide the air outside the housing 1 into the housing 1, convection is formed between the fan and the heat dissipation grid 112 arranged on the top 11 of the housing 1, and heat dissipation is accelerated.

In addition, in this embodiment, at least one of the left side, the right side, and the bottom of the housing 1 may also be provided with a heat dissipation grid for dissipating heat outwards, so as to facilitate the rapid dissipation of heat from the heat dissipation grid region, thereby further improving the heat dissipation efficiency.

Optionally, in some examples, please refer to fig. 6, the servo motor driver further includes a fan cover plate 4 disposed at the bottom of the fan 3 and fixed on the bottom 12 of the housing 1, and the fan cover plate 4 has a hollow hole 41 for the air to flow through. The fan cover plate 4 can form mechanical protection for the fan 3, and the use safety of the fan 3 is improved. Certainly, in other application scenarios, the fan cover plate 4 may not be arranged, so that the fan 3 is directly contacted with the external maximum area to improve the air inlet area and improve the heat dissipation effect. Which mode is adopted can be flexibly selected according to specific application scenes.

In addition, it should be understood that the number of the circuit boards provided in the servo motor driver in this embodiment may be flexibly set, for example, one circuit board may be provided, and two or more circuit boards may be provided according to requirements. In this example, the circuit board includes a first circuit board and a second circuit board disposed in the enclosed space and respectively located on two sides of the heat dissipation frame 2. And optionally, the heat dissipation frame 2 can be directly contacted with each circuit or component which is arranged on the first circuit board and/or the second circuit board and generates a heat source, so that the heat dissipation efficiency can be further improved.

In some examples of the present embodiment, the housing 1 and the heat dissipation frame 2 may be fixedly connected in various ways. For example, one way of connection may be by a snap-fit arrangement as shown in fig. 1-8, one example of which is; at least one set of first fasteners 224 (two opposite first fasteners 224 are shown as a set) is disposed in a region of the bottom 22 of the heat dissipation frame 2 exposed outside the housing 1, and at least one set of first slots 121 for the first fasteners 224 to be inserted to form a first fastening connection is disposed at a position of the bottom 12 of the housing 1 corresponding to the first fasteners 224. At least one set of second fasteners 211 is disposed in a region of the top 21 of the heat dissipation frame 2 exposed outside the housing 1, and at least one set of second slots 111 for the second fasteners 211 to be inserted into to form a second fastening connection is disposed at a position of the top 11 of the housing 1 corresponding to the second fasteners 211.

The number and the positions of the first buckle 224 and the second buckle 211 can be flexibly set according to requirements. For example, referring to fig. 5, a set of first fasteners 224 is disposed in a region of the bottom 22 of the heat dissipation frame 2 exposed outside the housing 1, and a set of first fasteners 224 is disposed at a position of the bottom 12 of the housing 1 corresponding to the first fasteners 224 for inserting the first fasteners 224 to form a first fastening connection with the first card slot 121.

For another example, referring to fig. 6, two sets of second fasteners 211 are disposed in a region of the top 21 of the heat dissipation frame 2 exposed outside the housing 1, wherein one set of second fasteners 211 is located in a region close to the rear sidewall 24 of the heat dissipation frame 2, and the other set of second fasteners 211 is located in a region close to the front side of the heat dissipation frame 2; correspondingly, two sets of second slots 111 are respectively disposed at positions corresponding to the second fasteners 211 on the top 11 of the housing 1, and the second fasteners 211 are inserted into the two sets of second slots 111 to form a second fastening connection.

It should be understood that the clamping grooves and the snap structures arranged on the heat dissipation frame 2 and the housing 1 can be exchanged. For example, at least one set of third locking grooves may be disposed in the region where the bottom 22 of the heat dissipation frame 2 is exposed outside the housing 1, and at least one set of third fasteners for inserting the third locking grooves to form a third fastening connection are disposed at the positions corresponding to the third locking grooves on the bottom 12 of the housing 1; at least one set of fourth clamping grooves is formed in the area, exposed out of the shell 1, of the top 21 of the heat dissipation frame 2, at least one set of fourth buckles used for being inserted into the fourth clamping grooves to form fourth buckling connection are arranged at the positions, corresponding to the fourth clamping grooves, of the top 11 of the shell 1, and the heat dissipation frame 2 and the shell 1 can be fixedly connected through the third buckle connection and the fourth buckle connection in the above examples. The specific combination of the snap connections is not limited to the two manners, and the first snap connection and the fourth snap connection may be combined to achieve the fixed connection between the heat dissipation frame 2 and the housing 1, or the second snap connection and the third snap connection may be combined to achieve the fixed connection between the heat dissipation frame 2 and the housing 1. The method can be flexibly selected according to the requirements.

Of course, in this embodiment, the connection manner of the heat dissipation frame 2 and the housing 1 is not limited to the snap connection in the above example, and any manner capable of achieving the fixed connection therebetween is applicable. For example, the servo motor driver further includes a first screw, a first screw hole is formed in a region where the bottom 22 of the heat dissipation frame 2 is exposed outside the housing 1, a second screw hole is formed in a position where the bottom 12 of the housing 1 corresponds to the first screw hole, the first screw sequentially passes through the second screw hole and the first screw hole, and the bottom 22 of the heat dissipation frame 2 is fixedly connected with the bottom 12 of the housing 1. The servo motor driver can further comprise a second screw, a third screw hole is formed in the area, exposed outside the shell 1, of the top 21 of the heat dissipation frame 2, a fourth screw hole is formed in the position, corresponding to the third screw hole, of the top 11 of the shell 1, the second screw sequentially penetrates through the fourth screw hole and the third screw hole, and the top 21 of the heat dissipation frame 2 is fixedly connected with the top 11 of the shell 1. And it should be understood that the screw connection manner in this example can also be used in combination with the above-mentioned snap connection manner, for example, the screw connection manner in this example can be used for the top 21 of the heat dissipation frame 2 and the top 11 of the housing 1, and the snap connection manner can be used for the bottom 22 of the heat dissipation frame 2 and the bottom 12 of the housing 1; alternatively, the top 21 of the heat dissipation frame 2 and the top 11 of the housing 1 may be connected by a snap connection in the above example, and the bottom 22 of the heat dissipation frame 2 and the bottom 12 of the housing 1 may be connected by a screw in the present example. And particularly, the method can be flexibly selected according to the requirements.

In addition, in this embodiment, in order to further improve the convenience of assembly, at least one of the left end cover and the rear end cover of the housing 1 may also be fixedly connected with the heat dissipation frame 2 and the front end cover 13 of the housing 1 in a detachable manner, so as to facilitate flexible disassembly and assembly. As shown in fig. 1 to 8, a fifth card slot 242 and a sixth card slot 241 are respectively disposed on the left and right sides of the rear side wall 24 of the heat dissipation frame 2, and a seventh card slot and an eighth card slot are respectively disposed on the left and right sides of the front end cover 13 of the housing 1; the rear end of the left end cover of the shell 1 is provided with a fifth buckle 141 which is positioned corresponding to the fifth clamping groove and is inserted into the fifth clamping groove to form fifth buckling connection; a seventh buckle 142 is arranged at the front end of the left end cover of the shell 1, corresponds to the seventh clamping groove in position, and is buckled into the seventh clamping groove to form seventh buckling connection; the rear end of the right end cover of the housing 1 is provided with a sixth buckle 151 corresponding to the sixth clamping groove 241 in position to be inserted into the sixth clamping groove to form a sixth buckle, and the front end of the right end cover of the housing 1 is provided with an eighth buckle 152 corresponding to the eighth clamping groove in position to be buckled into the eighth clamping groove to form an eighth buckle.

Referring to fig. 1 to 8, in some examples of the present embodiment, the circuit board includes a first circuit board and a second circuit board disposed in the enclosed space and respectively located at two sides of the heat dissipation frame 2, and the servo motor driver further includes a first interface group 51, a second interface group 52 and a display unit 6, wherein the first interface group 51 is fixedly disposed on the first circuit board and exposed to the outside through a first hollow hole set in the front end cover 13; the second interface group 52 is fixedly disposed on the second circuit board and exposed to the outside through a second hollow hole group disposed on the front end cover 13; the first interface group 51 and the second interface group 52 are distributed on the front end cover 13 in two rows, and the display units 6 are exposed outside through the display unit hollow holes on the front end cover 13 and above the second interface group 52.

The hollow hole of the display unit arranged on the front end cover 13 of the shell 1 is a cavity for accommodating the display unit 6, and the display unit 6 is arranged in the cavity and connected with the drive control circuit on the second circuit board. The display unit 6 in this embodiment includes a carrier circuit board, wherein the carrier circuit board is provided with a display device, and optionally, the display device may include but is not limited to at least one of an OLED display screen, a liquid crystal display screen, and a nixie tube. In some examples of this embodiment, the display unit 6 may have no cover for shielding, and directly expose the display device to the outside for direct viewing. In other examples of the present embodiment, the display unit 6 may also have a shielding cover, and the display device of the display unit 6 is exposed to the outside only when the shielding cover is opened.

Referring to fig. 1 and 7-8, the display unit 6 has no cover for shielding, and is exposed to the outside, so that the use is more convenient for users, and the cost is saved to a certain extent; and the display unit 6 includes at least one in warning display element, power display element and driver status information display element, the bearing circuit board that the display unit 6 includes adopts the mode of welding on the second circuit board perpendicularly at the same time, connect after the solder pad of the signal line junction of bearing circuit board and circuit board adds tin, has guaranteed certain intensity, has avoided the complexity of connecting through each patchcord at the same time. In addition, the display unit 6 is located on the second interface group 52, so that the devices on the front end cover 13 are integrally distributed in two rows, the layout is clear, and the viewing and the interface connection are more convenient.

In one example, the first interface group 51 may include, but is not limited to, at least one of an encoder interface, a power interface, a motor winding interface, and an I/O interface. In other examples, the second interface group 52 may include at least one of a control signal interface, a debug interface, a communication interface, and a common dc bus interface. The communication interface may include, but is not limited to, at least one of an RS232 communication interface, an RS485 communication interface, a CAN communication interface, and an Ethercat communication interface, where the communication interface may be used, but is not limited to, to transmit a debugging signal or a communication signal. In other examples, the servo motor driver may further include a reset switch, where the reset switch is configured to trigger the servo motor driver update signal to update the software program or the driver of the servo motor driver, and may also be configured to trigger the servo motor driver burning signal to burn the software program or the driver of the servo motor driver, or may also be configured to perform reset control on the software program or the driver.

The embodiment also provides an automation device, which comprises the servo motor driver shown in the above embodiments, and a motor connected with the servo motor driver, wherein the servo motor driver is used for controlling the motor. The automatic equipment can be applied to various automatic control fields, for example, the automatic equipment can be mechanical hand equipment or a logistics trolley or 3C automatic equipment and the like.

It should be noted that, in this document, 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 like elements in a process, method, article, or apparatus that comprises the element.

The above embodiment numbers of the present invention are only for description, and do not represent the advantages and disadvantages of the embodiments.

Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solution of the present invention essentially or the part contributing to the prior art can be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk, etc.) and includes a plurality of instructions for enabling a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc. to execute the method according to the embodiments of the present invention.

While the embodiments of the present invention have been described with reference to the accompanying drawings, the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many modifications may be made by one skilled in the art without departing from the spirit and scope of the present invention as defined in the appended claims.

Claims (10)

1. A servo motor driver, characterized by comprising: the heat dissipation device comprises a shell (1), a heat dissipation frame (2) which is matched with the shell (1) to form a closed space, and a circuit board arranged in the closed space;

the top (21) and the bottom (22) of the heat dissipation frame (2) respectively penetrate through the top (11) and the bottom (12) of the shell (1) and are exposed outside the shell (1), the front end (221) of the bottom (22) of the heat dissipation frame (2) is exposed outside the front end cover (13) on the front side of the shell (1), at least two grounding screws (222) are arranged at the front end (221) of the bottom (22) of the heat dissipation frame (2), and at least one grounding screw (222) is connected with an internal grounding wire arranged on the circuit board;

a plurality of radiating fins are longitudinally arranged on the radiating frame (2), and gaps between adjacent radiating fins form a radiating air duct; rear end (223) of heat dissipation frame (2) bottom (22) with reserve between heat dissipation frame (2) rear side wall (24) and have fan installation position, just fan installation position is located radiating fin's bottom, fan (3) are installed to fan installation position, fan (3) form the air current will the inside hot-air of casing (1) is followed radiating air duct discharges.

2. The servo motor driver as claimed in claim 1, wherein the front end (221) of the bottom (22) of the heat dissipation frame (2) is provided with two grounding screws (222), and at least one of the two grounding screws (222) is connected with or suspended from the grounding screws of other servo motor drivers.

3. The servo motor driver according to claim 1, further comprising a fan cover plate (4) disposed at the bottom of the fan (3) and fixed to the bottom (12) of the housing (1), wherein the fan cover plate (4) has a hollow hole (41) for passing the air flow.

4. The servomotor drive as claimed in claim 1, characterized in that the front end (221) of the base (22) of the heat sink (2) is exposed outside the front end cap (13) on the front side of the housing and is flush with the front end cap (13).

5. The servo motor driver as claimed in any one of claims 1 to 4, wherein the area of the bottom (22) of the heat sink (2) exposed outside the housing (1) is provided with at least one set of first snap fasteners (224), and the position of the bottom (12) of the housing (1) corresponding to the first snap fasteners (224) is provided with at least one set of first locking slots (121) for the first snap fasteners (224) to be inserted to form a first snap connection;

or the like, or, alternatively,

at least one group of third clamping grooves are formed in the area, exposed out of the shell (1), of the bottom (22) of the heat dissipation frame (2), and at least one group of third buckles used for being inserted into the third clamping grooves to form third buckling connection are arranged at the positions, corresponding to the third clamping grooves, of the bottom (12) of the shell (1);

or the like, or, alternatively,

the servo motor driver further comprises a first screw, a first screw hole is formed in the region, outside the shell (1), of the bottom (22) of the heat dissipation frame (2), a second screw hole is formed in the position, corresponding to the first screw hole, of the bottom (12) of the shell (1), the first screw penetrates through the second screw hole and the first screw hole in sequence, and the bottom (22) of the heat dissipation frame (2) is fixedly connected with the bottom (12) of the shell (1).

6. The servo motor driver as claimed in any one of claims 1 to 4, wherein at least one set of second snap (211) is disposed on a region of the top (21) of the heat dissipation frame (2) exposed outside the housing (1), and at least one set of second snap grooves (111) for inserting the second snap (211) to form a second snap connection is disposed on a position of the top (11) of the housing (1) corresponding to the second snap (211);

or the like, or, alternatively,

at least one group of fourth clamping grooves are formed in the area, exposed out of the shell (1), of the top (21) of the heat dissipation frame (2), and at least one group of fourth buckles used for being inserted into the fourth clamping grooves to form fourth buckling connection are arranged at the positions, corresponding to the fourth clamping grooves, of the top (11) of the shell (1);

or the like, or, alternatively,

the servo motor driver further comprises a second screw, a third screw hole is formed in the region, outside the shell (1), of the top (21) of the heat dissipation frame (2), a fourth screw hole is formed in the position, corresponding to the third screw hole, of the top (11) of the shell (1), the second screw penetrates through the fourth screw hole and the third screw hole in sequence, and the top (21) of the heat dissipation frame (2) is fixedly connected with the top (11) of the shell (1).

7. The servo motor driver as claimed in claim 6, wherein two sets of second fasteners (211) are disposed at the region of the top (21) of the heat dissipation frame (2) exposed outside the housing (1), wherein one set of the second fasteners (211) is disposed at the region near the rear sidewall (24) of the heat dissipation frame (2), and the other set of the second fasteners (211) is disposed at the region near the front side of the heat dissipation frame (2).

8. The servo motor driver according to any of claims 1 to 4, wherein the circuit board comprises a first circuit board and a second circuit board disposed in the closed space on both sides of the heat dissipation frame (2), respectively;

the servo motor driver further comprises a first interface group (51), a second interface group (52) and a display unit (6), wherein the first interface group (51) is fixedly arranged on the first circuit board and is exposed to the outside through a first hollow hole group arranged on the front end cover (13); the second interface group (52) is fixedly arranged on the second circuit board and is exposed to the outside through a second hollow hole group arranged on the front end cover (13); the first interface group (51) and the second interface group (52) are distributed on the front end cover (13) in two rows, and the display units (6) are exposed outside through display unit hollow holes in the front end cover (13) and positioned above the second interface group (52).

9. The servo motor driver as claimed in any one of claims 1 to 4, wherein the right and left sides of the rear sidewall (24) of the heat dissipating frame (2) are respectively provided with a fifth card slot (242) and a sixth card slot (241), and the right and left sides of the front cover (13) of the housing (1) are respectively provided with a seventh card slot and an eighth card slot; the rear end of the left end cover of the shell (1) is provided with a fifth buckle (141) which is positioned corresponding to the fifth clamping groove and is inserted into the fifth clamping groove to form a fifth buckle connection, and the front end of the left end cover of the shell (1) is provided with a seventh buckle (142) which is positioned corresponding to the seventh clamping groove and is buckled into the seventh clamping groove to form a seventh buckle connection; the rear end of the right end cover of the shell (1) is provided with a sixth buckle (151) which is positioned corresponding to the sixth clamping groove (241) and is inserted into the sixth clamping groove to form a sixth buckle, and the front end of the right end cover of the shell (1) is provided with an eighth buckle (152) which is positioned corresponding to the eighth clamping groove and is buckled into the eighth clamping groove to form an eighth buckle.

10. An automation device, characterized in that the automation device comprises a servomotor drive as claimed in any of claims 1 to 9, and a motor connected to the servomotor drive for controlling the motor.

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