CN218526164U

CN218526164U - Motor device with dustproof function of sharing chamber

Info

Publication number: CN218526164U
Application number: CN202222271121.2U
Authority: CN
Inventors: 李健
Original assignee: Zhejiang Yikong Power System Co ltd
Current assignee: Zhejiang Yikong Power System Co ltd
Priority date: 2022-08-29
Filing date: 2022-08-29
Publication date: 2023-02-24
Anticipated expiration: 2032-08-29

Abstract

The utility model discloses a motor device with it is dustproof function altogether to share chamber, including motor and machine controller, machine controller includes casing, the main casing body and exchanges and connects the copper bar, one side of the main casing body with go up casing fixed connection and the main casing body is kept away from go up one side of casing with motor fixed connection, it includes copper bar mount pad and three-phase copper foot to exchange to connect the copper bar. The utility model discloses a motor device with dustproof function of chamber altogether, its maze passageway that constitutes through AC connection copper bar and the main casing body feeds through the motor cavity of motor and motor controller's motor controller cavity of motor to form the cavity of an completion, two assemblies can share a pressure balance component, can save the sealing between motor and the motor controller, and solid particle and metal fillings etc. can be isolated through labyrinth seal structure.

Description

Motor device with dustproof function of chamber altogether

Technical Field

The utility model belongs to the technical field of motor and machine controller, concretely relates to motor device with dustproof function in chamber altogether.

Background

Need use motor and motor controller in fields such as industry frequency conversion, elevator trade, new energy automobile, it is increasingly compact, cost control is increasingly severer in space, often with motor and motor controller integration to an organic whole, but because of the part that motor controller inner chamber loaded has PCBA, IGBT, various sensors, high-pressure loop etc. for motor controller is more sensitive to cleanliness, solid particle, metal fillings. And the motor inner chamber can produce solid particle, metal fillings because of the high-speed rotation of rotor and can be got rid of the machine controller cavity by electric motor rotor, so motor and machine controller adopt and divide the chamber structure on the market, through designing dustproof and waterproof structural design to thereby cause the risk of becoming invalid in solid particle, metal fillings, foreign matter etc. in preventing the motor enter into the dc-to-ac converter.

The cavity dividing structure of the motor and the motor controller requires a layer of sealing structure on the motor controller, and the inverter is separately provided with a pressure balancing element for cavity dividing reasons. In addition to the increased cost of the seal and pressure equalization member, the housing requirements for mounting the seal and pressure equalization member also increase, and the risk of mass failure is also created.

Therefore, the above problems are further improved.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a motor device with dustproof function of chamber altogether, its labyrinth passage through ac connection copper bar and the main casing body constitution feeds through the motor cavity of motor and motor controller's motor controller cavity of motor to form the cavity of a completion, two assemblies can share a pressure balance component, can save the sealing between motor and the motor controller, and solid particle and metal fillings etc. can be isolated through labyrinth seal structure.

In order to achieve the above purpose, the utility model provides a motor device with common-cavity dustproof function, which comprises a motor and a motor controller, wherein the motor controller comprises an upper shell, a main shell and an alternating current connection copper bar, one side of the main shell is fixedly connected with the upper shell, and one side of the main shell, which is far away from the upper shell, is fixedly connected with the motor;

the alternating-current connecting copper bar comprises a copper bar mounting seat and three-phase copper pins, the copper bar mounting seat is positioned in a motor controller cavity formed by the upper shell and the main shell in a surrounding manner, the copper bar mounting seat is mounted on the main shell, the three-phase copper pins are mounted on the copper bar mounting seat, one ends of the three-phase copper pins are positioned in the motor controller cavity, the other ends (the ends far away from the motor controller cavity) of the three-phase copper pins penetrate through the main shell and are positioned in a motor cavity of the motor (so as to be electrically connected with the motor), and the motor controller cavity is communicated with the motor cavity;

the copper bar mount pad is equipped with groove structure and the main casing body is equipped with boss structure, groove structure with boss structure cooperation constitutes labyrinth passageway, labyrinth passageway be used for intercommunication motor controller cavity with the motor cavity.

As a further preferable technical solution of the above technical solution, the groove structure includes a first groove structure and a second groove structure, and the land structure includes a first land structure and a second land structure, and the first land structure is embedded in the first groove structure and the second land structure is embedded in the second groove structure.

As a further preferable aspect of the above technical solution, the first boss structure includes a first projection and a second projection which are integrally formed, the first groove structure includes a first groove portion and a second groove portion which are integrally formed, the first projection is mounted to the first groove portion and the second projection is mounted to the second groove portion.

As a further preferable mode of the above technical means, the second boss structure includes a third projection and a fourth projection which are integrally formed, the second groove structure includes a third groove portion and a fourth groove portion which are integrally formed, the third projection is mounted to the third groove portion and the fourth projection is mounted to the fourth groove portion.

As a further preferred technical solution of the above technical solution, the main housing is provided with an installation through hole, and the other end of the three-phase copper pin is electrically connected to the motor through the installation through hole.

Drawings

Fig. 1 is a schematic structural diagram of a motor apparatus with a common-cavity dustproof function according to the present invention.

Fig. 2 is a schematic structural diagram of a motor apparatus with a common-cavity dustproof function according to the present invention.

Fig. 3 is a sectional view taken along the direction FF of fig. 2.

Fig. 4 is a schematic structural diagram of a motor device with a common-cavity dustproof function according to the present invention (the motor is hidden).

Fig. 5 is a schematic structural diagram of the main housing and the ac connection copper bar of the motor device having the common-cavity dustproof function of the present invention.

Fig. 6 is an installation schematic diagram of the main housing and the ac connection copper bar of the motor device with the common-cavity dustproof function of the present invention.

The reference numerals include: 100. a motor; 110. a motor cavity; 200. a motor controller; 210. an upper housing; 220. a main housing; 221. a first boss structure; 2211. a first bump; 2212. a second bump; 222. a second boss structure; 2221. a third bump; 2222. a fourth bump; 223. mounting a through hole; 230. AC connecting copper bar; 231. a copper bar mounting seat; 2311. a first groove structure; 2312. a first groove portion; 2313. a second groove portion; 2314. a second groove portion; 2315. a third groove portion; 2316. a fourth groove portion; 232. three-phase copper pins; 240. the motor controller cavity.

Detailed Description

The following description is provided to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents and other technical solutions without departing from the spirit and scope of the invention.

The utility model discloses a motor device with dustproof function of chamber altogether, combine preferred embodiment below, further describe utility model's concrete embodiment.

In the embodiments of the present invention, those skilled in the art will note that the motor and motor controller and the like according to the present invention can be regarded as the prior art.

Preferred embodiments.

The utility model discloses a motor device with dustproof function of chamber altogether, including motor 100 and motor controller 200, motor controller 200 includes upper housing 210, main casing 220 and exchanges and connects copper bar 230, one side of main casing 220 with upper housing 210 fixed connection and the main casing 220 keep away from one side of upper housing 210 with motor 100 fixed connection;

the ac connecting copper bar 230 includes a copper bar mounting seat 231 and a three-phase copper pin 232, the copper bar mounting seat 231 is located in a motor controller cavity 240 formed by the upper housing 210 and the main housing 200 being enclosed and the copper bar mounting seat 231 is mounted on the main housing 200, the three-phase copper pin 232 is mounted on the copper bar mounting seat 231 and one end of the three-phase copper pin 232 is located in the motor controller cavity 240, the other end (the end away from the motor controller cavity) of the three-phase copper pin 232 penetrates through the main housing 220 and is located in the motor cavity 110 of the motor 100 (so as to be electrically connected to the motor), and the motor controller cavity 240 is communicated with the motor cavity 110;

copper bar mount pad 231 is equipped with groove structure and main casing body 220 is equipped with the convex structure, groove structure with the convex structure cooperation constitutes the maze passageway, the maze passageway is used for intercommunication motor controller cavity 240 with motor cavity 110.

As shown in fig. 6 (fig. 6 is an enlarged view of the mounting structure of the main housing and the ac connecting copper bar in fig. 3), specifically, the groove structure includes a first groove structure 2311 and a second groove structure 2314, the boss structure includes a first boss structure 221 and a second boss structure 222, the first boss structure 554 is embedded in the first groove structure 2311, and the second boss structure 222 is embedded in the second groove structure 2314.

More specifically, the first boss structure 221 includes a first tab 2211 and a second tab 2212 which are integrally formed, the first groove structure 2311 includes a first groove portion 2312 and a second groove portion 2313 which are integrally formed, the first tab 2211 is mounted to the first groove portion 2312 and the second tab 2212 is mounted to the second groove portion 2313.

Further, second boss structure 222 includes third projection 2221 and fourth projection 2222, second groove structure 2314 includes third groove portion 2315 and fourth groove portion 2316, and third projection 2221 is mounted to third groove portion 2315 and fourth projection 2222 is mounted to fourth groove portion 2316.

Furthermore, the main housing 220 is provided with a mounting through hole 223, and the other end of the three-phase copper pin 232 is electrically connected to the motor 100 through the mounting through hole 223.

Preferably, for the present invention:

1. reserving a sealing groove structure of the original alternating current connection copper bar;

2. a boss is arranged on the sealing plane of the original main shell, and the boss structure extends into the sealing groove structure of the alternating current connecting copper bar;

3. the main shell is provided with a boss structure, and the labyrinth passage formed after matching can prevent metal scraps and solid particles in the motor from entering a cavity of the motor controller;

4. the motor and the motor controller are connected into a cavity without isolating air, the whole cavity forms a dustproof and waterproof closed space which can share some parts, such as a pressure balance element, so that the cost of pressure balance original price is saved.

And its advantage is:

1. a sealing ring of an alternating current connection copper bar is omitted;

2. the harsh machining requirement on the mounting surface of the sealing ring of the main shell is saved, and the machining and manufacturing cost of the main shell is reduced;

3. the manufacturing cost for installing the sealing ring is saved;

4. one pressure balancing element is omitted;

5. the machining requirement of the pressure balance element of the main shell is saved, and the machining and manufacturing cost of the main shell is reduced;

6. the manufacturing cost for installing the pressure balance element is saved;

7. the risk of two parts caused by possible improper installation is reduced, and the quality cost is reduced;

it is worth mentioning that the technical features such as the motor and the motor controller related to the present invention should be regarded as the prior art, and the specific structure, the working principle of these technical features and the control mode and the spatial arrangement mode that may involve are adopted in the conventional selection in this field, and should not be regarded as the invention point of the present invention, and the present invention does not further specifically expand the detailed description.

It will be apparent to those skilled in the art that modifications and variations can be made in the above-described embodiments, or some features of the invention may be substituted or omitted, and any modification, substitution, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.

Claims

1. A motor device with a common-cavity dustproof function comprises a motor and a motor controller, and is characterized in that the motor controller comprises an upper shell, a main shell and an alternating current connection copper bar, wherein one side of the main shell is fixedly connected with the upper shell, and one side of the main shell, which is far away from the upper shell, is fixedly connected with the motor;

the alternating-current connecting copper bar comprises a copper bar mounting seat and three-phase copper pins, the copper bar mounting seat is positioned in a motor controller cavity formed by the upper shell and the main shell in an enclosing mode, the copper bar mounting seat is mounted on the main shell, the three-phase copper pins are mounted on the copper bar mounting seat, one ends of the three-phase copper pins are positioned in the motor controller cavity, the other ends of the three-phase copper pins penetrate through the main shell and are positioned in a motor cavity of the motor, and the motor controller cavity is communicated with the motor cavity;

2. The motor apparatus with co-chamber dustproof function of claim 1, wherein said groove structure comprises a first groove structure and a second groove structure, said boss structure comprises a first boss structure and a second boss structure, said first boss structure is embedded in said first groove structure and said second boss structure is embedded in said second groove structure.

3. A motor apparatus having a cavity-sharing dust-proof function as claimed in claim 2, wherein said first boss structure includes a first projection and a second projection which are integrally formed, said first groove structure includes a first groove portion and a second groove portion which are integrally formed, said first projection is mounted in said first groove portion and said second projection is mounted in said second groove portion.

4. The motor apparatus with co-chamber dust-proof function of claim 3, wherein said second boss structure includes a third projection and a fourth projection which are integrally formed, said second groove structure includes a third groove portion and a fourth groove portion which are integrally formed, said third projection is mounted to said third groove portion and said fourth projection is mounted to said fourth groove portion.

5. The motor device with the common-cavity dustproof function according to claim 4, wherein the main housing is provided with a mounting through hole, and the other end of the three-phase copper pin is electrically connected with the motor through the mounting through hole.