CN217307475U

CN217307475U - Motor driver and motor

Info

Publication number: CN217307475U
Application number: CN202121093557.6U
Authority: CN
Inventors: 张宏; 龙汉钊; 胡云
Original assignee: Bedkelly Electric Suzhou Co ltd
Current assignee: Bedkelly Electric Suzhou Co ltd
Priority date: 2021-05-20
Filing date: 2021-05-20
Publication date: 2022-08-26
Anticipated expiration: 2031-05-20

Abstract

The utility model discloses a motor driver and motor, motor driver includes: the rear cover is arranged on the shell, the sealing element is arranged at the joint of the shell and the rear cover, an installation cavity is formed between the shell and the rear cover, the first control panel and the second control panel are both arranged in the installation cavity in parallel with the rear cover, the first control panel and the second control panel are connected together through a plurality of connecting columns, one end of a lead of the lead assembly is connected to the first control panel, and the other end of the lead assembly penetrates through the shell and then is connected to a power supply connector; and filling and sealing glue is arranged in the gap of the mounting cavity. The utility model discloses a set up sealing member and embedment glue in the driver for motor drive sealing performance improves greatly, and heat dissipation, insulating effectual in the driver has improved the life of motor greatly.

Description

Motor driver and motor

Technical Field

The utility model relates to a motor manufacturing technology field especially relates to a motor driver and motor.

Background

Along with the improvement of production technology, the existing motor is required to realize high-power and high-current design, the size of the motor is correspondingly increased due to the design, the installation space requirement is increased, and the problem of overheating of the motor is easily caused by a motor driver under the high-power and high-current design, so that the machine is damaged if effective heat dissipation is not performed.

Thus, the prior art has drawbacks and needs to be improved.

SUMMERY OF THE UTILITY MODEL

Problem to prior art exists, the utility model provides a motor driver, its control panel through setting up two connections to spare part in the rational configuration installation cavity has effectively reduced the overall dimension of driver, and embedment glue in the space of installation cavity has improved heat dissipation and insulating effect in the driver, reaches water-proof effects simultaneously, has effectively protected the spare part in the installation cavity, has improved the life of driver.

The technical scheme of the utility model as follows: the utility model provides a motor driver, include: the rear cover is installed on the shell, the sealing element is arranged at the joint of the shell and the rear cover, an installation cavity is formed between the shell and the rear cover, the first control panel and the second control panel are both arranged in the installation cavity in parallel with the rear cover, the first control panel and the second control panel are connected together through a plurality of connecting columns, one end of a lead of the lead assembly is connected to the first control panel, and the other end of the lead assembly penetrates through the shell and then is connected to a power connector; and filling and sealing glue is arranged in the gap of the mounting cavity.

Further, the first control board and the second control board are both one of MOS tube control boards or PCB control boards.

Further, each of the connecting columns includes: the copper column is provided with a screwing interface at one end, a first through hole is formed in the first control plate, the screw penetrates through the first through hole to be connected into the screwing interface, a second through hole is formed in the second control plate, and the end part of the other end of the copper column is finely matched with the end part of the copper column in the second through hole.

Furthermore, the spliced pole quantity is 4, and 4 the spliced pole is located respectively the peripheral edge of first control panel with the second control panel.

Furthermore, the sealing element is made of sealing rubber, and the sealing rubber is clamped and fixed at the joint of the rear cover and the shell.

Furthermore, each lead assembly further comprises a lead pipeline, the lead is arranged in the lead pipeline, a third through hole is formed in the side face of the shell, and the lead pipeline is connected to the power connector through the third through hole.

The utility model also provides a motor, it is equipped with above motor driver.

Adopt above-mentioned scheme, the utility model provides a motor driver and motor, this motor driver's whole volume reduces, and heat dissipation, insulating effectual, and sealing performance has reached the waterproof requirement of motor simultaneously.

Drawings

Fig. 1 is an exploded view of the motor driver of the present invention.

Fig. 2 is a schematic cross-sectional view of the motor driver of the present invention.

Fig. 3 is a cross-sectional enlarged view of the connecting column of the motor driver of the present invention.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-3, the utility model relates to a motor driver and motor, motor driver includes: the back cover 20 is mounted on the casing 10, the sealing member 30 is arranged at the joint of the casing 10 and the back cover 20, in this embodiment, the sealing member 30 is sealing rubber, and when the back cover 20 is fixed on the casing 10 through screws, the sealing rubber is clamped and fixed at the joint of the back cover 20 and the casing 10, so as to seal the two parts. An installation cavity is formed between the casing 10 and the rear cover 20, the first control board 41 and the second control board 42 are both arranged in the installation cavity in parallel with the rear cover 20, and the first control board 41 and the second control board 42 are connected together through a plurality of connecting columns 43, so that the two control boards are electrically connected. The design makes full use of the space of the motor driver, and solves the problem that only one control plate with large area is designed in the prior art, so that the cross sectional area of the driver is large, and the motor matched with the driver is large in size. One end of the lead assembly 50 is connected to the circuit of the first control board 41 by welding, and the other end of the lead passes through the housing 10 and is connected to the power connector 60, so as to realize power connection to the driver. In addition, as shown in the cross-sectional view of fig. 2, potting glue 70 is disposed in the gaps of the mounting cavity, specifically, a potting opening may be disposed on the housing 10 and/or the rear cover 20, and after the driver is successfully assembled, the potting operation is performed through the potting opening. Embedment glue is general embedment glue on the market, it can be epoxy embedment glue, silicon rubber embedment glue or polyurethane embedment glue etc, can adopt in the space of machinery or manual mode pouring installation cavity, it is the polymer insulating material that the performance is excellent to solidify again, realize insulating and sealed protection to devices such as two control panels in the installation cavity, and the heat propagates to on back lid 20 and the casing 10 through embedment glue 70, finally give off to in the external environment, the heat dispersion of driver has been strengthened greatly, the operational environment of inside electronic component has been guaranteed, the life of driver has effectively been improved.

Specifically, the first control board 41 and the second control board 42 are both MOS tube control boards or PCB control boards, and the two control boards are provided with driving components and control circuits, and are connected to the power connector through leads, so that the operation control of the driver is realized after the power is turned on. The two control panels are connected together through four connecting columns 43, the four connecting columns 43 are respectively arranged at the peripheral edges of the first control panel 41 and the second control panel 42, communication connection between circuits is realized, and the two control panels are supported. Wherein each of the connection posts 43 comprises: a screw 431 and a copper column 432, a screw-in interface is arranged at one end of the copper column 432, a first through hole is arranged on the first control plate 41, the screw 431 passes through the first through hole to be connected in the screw-in interface, a second through hole is arranged on the second control plate 42, the end part of the other end of the copper column 432 is finely inserted into the second through hole, preferably, the end part of the other end of the copper column 432 is the same as the aperture of the second through hole or adopts interference fit, so that the copper column 432 is tightly clamped in the second through hole, and stable mechanical connection between the two is realized. All adopt mechanical connection's mode between spliced pole 43 and first control panel 41, second control panel 42, the installation is simple, has removed welded connection's loaded down with trivial details operation from, and probably the damage that causes two control panels when having avoided welded connection.

It should be noted that each of the lead assemblies 50 further includes a lead pipe 51 and a connection nut 52, the lead is disposed in the lead pipe 51, a third through hole is disposed on a side surface of the casing 10, a thread is disposed at one end of the lead pipe 51, the lead pipe is fixed to the third through hole through the connection nut 52, and the other end of the lead pipe is connected to the power connector 60 through the third through hole. The lead pipeline 51 plays a role in protecting the lead, the lead pipeline 51 is connected with the shell 10 in a sealing mode, and the potting glue 70 in the shell 10 also plays a role in sealing between the lead pipeline 51 and the shell 10, so that the motor driver has waterproof performance.

The utility model also provides a motor, it includes: stator module, rotor subassembly and above the motor drive, this motor is through setting up this motor drive, and the size of corresponding change stator module and rotor subassembly has overcome the too big problem of motor volume under high-power, the heavy current design, and motor drive heat dispersion is good, waterproof sealing is effectual.

To sum up, the utility model discloses a motor driver and motor are through setting up sealing member and embedment glue in the driver for motor driver sealing performance improves greatly, and heat dissipation, insulating effectual in the driver has played better guard action to the electronic part in the casing, just the utility model discloses a set up two control panels and carry out reasonable layout, effectively reduced the overall dimension of driver, make the volume of motor corresponding reduce, the installation is more nimble. The utility model discloses simple structure nevertheless makes the motor performance obtain promoting by a wide margin, is worth wideling popularize and use.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A motor driver, comprising: the rear cover is arranged on the shell, the sealing element is arranged at the joint of the shell and the rear cover, an installation cavity is formed between the shell and the rear cover, the first control panel and the second control panel are both arranged in the installation cavity in parallel with the rear cover, the first control panel and the second control panel are connected together through a plurality of connecting columns, one end of a lead of the lead assembly is connected to the first control panel, and the other end of the lead assembly penetrates through the shell and then is connected to a power supply connector; and filling and sealing glue is arranged in the gap of the mounting cavity.

2. The motor driver of claim 1, wherein the first control board and the second control board are each one of a MOS pipe control board or a PCB control board.

3. The motor drive of claim 1, wherein each of said connecting posts comprises: the copper column is provided with a screwing interface at one end, a first through hole is formed in the first control plate, the screw penetrates through the first through hole to be connected into the screwing interface, a second through hole is formed in the second control plate, and the end part of the other end of the copper column is finely matched with the end part of the copper column in the second through hole.

4. The motor driver as claimed in claim 3, wherein the number of the connection columns is 4, and 4 connection columns are respectively provided at the outer circumferential edges of the first and second control plates.

5. The motor driver as claimed in claim 1, wherein the sealing member is a sealing rubber, and the sealing rubber is fixed at a joint of the rear cover and the housing by being engaged therewith.

6. The motor driver of claim 1, wherein each of the lead assemblies further comprises a lead duct, the lead is disposed in the lead duct, a third through hole is formed in a side surface of the housing, and the lead duct is connected to the power source connector after passing through the third through hole.

7. An electric motor, characterized in that a motor drive according to any one of claims 1-6 is provided.