CN214674787U

CN214674787U - Waterproof motor electric control device

Info

Publication number: CN214674787U
Application number: CN202023201502.0U
Authority: CN
Inventors: 石刚; 魏强; 李世斌
Original assignee: Hubei Lvchi Precision Electric Drive System Co ltd
Current assignee: Hubei Lvchi Precision Electric Drive System Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-11-09
Anticipated expiration: 2030-12-28

Abstract

The utility model provides a waterproof motor electrically controlled device, including motor, controller, the motor is connected with the controller, motor rear end cap and controller front end housing sealing connection, motor rear end cap and controller front end housing all are equipped with tang and sealing washer, and the sealing washer setting is in the tang, be equipped with sealing device on the controller, controller and sealing device sealing connection install waterproof PG head on the sealing device. The utility model discloses an increase sealing device on the controller, install waterproof PG head on sealing device to live the clearance between waterproof PG head and the sealing device with waterproof solidification glue seal, establish to two in the sealed storehouse simultaneously, can prevent outside water access controller effectively and get into the motor through the controller, make the sealing performance in sealed storehouse increase, thereby make the protection level further promote and reach better sealed effect, reach better water-proof effects.

Description

Waterproof motor electric control device

Technical Field

The utility model relates to an automobile motor technical field specifically is a waterproof motor electrically controlled device.

Background

The new energy electric automobile mainly comprises a motor driving system, a battery system and an entire automobile control system. The motor driving system is a heart part of the electric vehicle, is a part for directly converting electric energy into kinetic energy, and determines the performance index of the electric vehicle.

The existing motor is electrically controlled, the whole machine works in water, an inner cavity of the motor is electrically controlled and cannot enter water, otherwise, a stator winding of the motor can be burnt, and a stator punching sheet and a rotor punching sheet are affected with damp to cause demagnetization of a magnet, so that the service life of the motor is seriously influenced; the motor casing of the motor that common on the market usually has the incoming line mouth, and the motor line links to each other with motor inner structure through this incoming line mouth, and in order to facilitate passing of motor line, the size of incoming line mouth usually can be greater than the size of motor line, and inside some motors in order to prevent that outside water from entering into the motor, adopt the interference fit mode usually or increase a sealing ring, but in the in-service use, still there are following several drawbacks:

1. the abrasion of the product causes the contact position gap between the waterproof head and the line body to be enlarged;

2. the environment change of the vehicle operation is large, the product loss is large under severe environments such as wind, sunshine and the like, and water vapor enters the inner cavity along the line body;

3. the protection grade of the product does not reach the standard, so that the whole vehicle has insulation faults, and users are deeply harmed.

The existing waterproof method has unsatisfactory waterproof effect, and therefore, the waterproof structure of the motor housing is required to be improved.

Disclosure of Invention

The utility model aims at providing a waterproof motor electric control device which is used for solving the problem of product abrasion in the background technology and enlarging the gap between the contact position of a waterproof head and a wire body; the environment change of the vehicle operation is large, the product loss is large under severe environments such as wind, sunshine and the like, and water vapor can enter the inner cavity along the line body; the protection grade of the product does not reach the standard, so that the whole vehicle has insulation fault, and users are deeply harmed.

The technical scheme of the utility model as follows:

the utility model provides a waterproof motor electrically controlled device, includes motor, controller, the motor is connected with the controller, the rear end cap and the controller front end cap sealing connection of motor, the rear end cap and the controller front end cap of motor all are equipped with tang and sealing washer, and the sealing washer setting is in the tang, be equipped with sealing device on the controller, controller and sealing device sealing connection install waterproof PG head on the sealing device.

The improvement of the technical scheme is as follows: the controller is provided with wire outlet holes, the sealing device hermetically connected with the controller consists of two sealed bins, the two sealed bins are both provided with wire outlet holes, the movable cover plate of the first sealed bin and the bottom end of the cavity of the first sealed bin are provided with wire outlet holes, the bottom end of the cavity of the second sealed bin is provided with wire outlet holes, the movable cover plate of the first sealed bin is provided with a waterproof PG head, the bottom end of the cavity of the second sealed bin is provided with a waterproof PG head, and the wire outlet holes on the two sealed bins are matched with the wire outlet holes on the controller; an oil filling hole is formed in the outer portion of the first sealing bin.

The technical scheme is further improved as follows: and the oil injection hole outside the first sealing bin is sealed and fixed by waterproof solidified glue.

The technical scheme is further improved: the sealing device and the controller are fixed in a sealing mode through waterproof solidification glue, and the first sealing bin and the second sealing bin are fixed in a sealing mode through the waterproof solidification glue.

The technical scheme is further improved: the rear end cover of the motor and the front end cover of the controller are connected with the spigot in a sealing mode through sealing glue, and the spigot is connected with the sealing ring in a sealing mode through the sealing glue.

The utility model discloses following beneficial effect has:

the utility model adds the sealing device on the controller, the waterproof PG head is arranged on the sealing device, and the gap between the waterproof PG head and the sealing device is sealed by the waterproof solidification glue, and the two sealing bins are arranged simultaneously, thus effectively preventing external water from entering the controller and entering the motor through the controller and increasing the sealing performance of the sealing bins; increase tang and sealing washer and through waterproof solidification glue seal fixation, make not have the gap to exist between motor and the controller through the rear end housing at the motor and the controller front end housing to promoted holistic leakproofness, thereby made the protection level further promote and reach better sealed effect, reach better water-proof effects.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural diagram of the sealing device of the present invention.

In the figure: the waterproof PG head comprises a waterproof PG head 1, an oil injection hole 2, a first sealing bin 3, a second sealing bin 4, a controller 5, a controller front end cover 6, a spigot 7, a sealing ring 8, a motor rear end cover 9, a motor 10 and a motor front end cover 11.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Please refer to fig. 1 and 2, the utility model provides a waterproof motor electric control device, including motor 10, controller 5, motor 10 is connected with controller 5, rear end cap 9 and the controller front end housing 6 sealing connection of motor, and rear end cap 9 and the controller front end housing 6 of motor all are equipped with tang 7 and sealing washer 8, and sealing washer 8 sets up in tang 7, be equipped with sealing device on the controller 5, controller 5 and sealing device sealing connection install waterproof PG head 1 on the sealing device.

Furthermore, a wire outlet hole is formed in the controller 5, the sealing device hermetically connected with the controller 2 is composed of two sealing bins, the two sealing bins are both provided with wire outlet holes, a movable cover plate of the first sealing bin 3 and the bottom end of a cavity of the first sealing bin 3 are provided with wire outlet holes, the bottom end of a cavity of the second sealing bin 4 is provided with wire outlet holes, a waterproof PG head is installed on the movable cover plate of the first sealing bin 3, a waterproof PG head 1 is installed on the bottom end of the cavity of the second sealing bin 4, and the wire outlet holes in the two sealing bins are matched with the wire outlet holes in the controller 5 in position; an oil filling hole 2 is arranged outside the first sealed cabin 3.

Further, the oil injection hole 2 outside the first sealing bin 3 is sealed and fixed by waterproof solidified glue.

Still further, the sealing device and the controller 5 are sealed and fixed through waterproof setting adhesive, and the first sealed bin 3 and the second sealed bin 4 are sealed and fixed through waterproof setting adhesive.

Furthermore, the rear end cover 9 of the motor and the front end cover 6 of the controller are connected with the spigot 7 in a sealing mode through sealing glue, and the spigot 7 is connected with the sealing ring 8 in a sealing mode through the sealing glue.

The utility model discloses a controller, waterproof PG head is installed to the wire hole of the cavity bottom of the removable cover of first sealed silo and second sealed silo, pass controller and sealing device's wire hole in proper order to the line, seal all wire holes and the outside oil filler point of first sealed silo by waterproof solidification glue again, tang and sealing washer are all installed to the rear end housing and the controller front end housing of motor, the tang scribbles sealed glue with the rear end housing and the controller front end housing junction of motor, be connected motor and controller again, the sealed of motor three-phase line wire outlet and controller inlet, because of the sealing washer of outer lane, tight fit tang and sealed glue technique are ripe, do not consider here temporarily.

The above-described embodiments are merely preferred examples of the present invention and are not exhaustive of the possible implementations of the present invention. Any obvious modifications to the above would be obvious to those of ordinary skill in the art, but would not bring the invention so modified beyond the spirit and scope of the present invention.

Claims

1. The utility model provides a waterproof motor electrically controlled device, includes motor (10), controller (5), motor (10) are connected with controller (5), its characterized in that: rear end housing (9) and controller front end housing (6) sealing connection of motor, rear end housing (9) and controller front end housing (6) of motor all are equipped with tang (7) and sealing washer (8), and sealing washer (8) set up in tang (7), be equipped with sealing device on controller (5), controller (5) and sealing device sealing connection install waterproof PG head (1) on the sealing device.

2. The waterproof electric motor control device according to claim 1, characterized in that: the controller (5) is provided with wire outlet holes, the sealing device hermetically connected with the controller (5) consists of two sealing bins, the two sealing bins are both provided with wire outlet holes, the movable cover plate of the first sealing bin (3) and the bottom end of the cavity of the first sealing bin are provided with wire outlet holes, the bottom end of the cavity of the second sealing bin (4) is provided with wire outlet holes, the movable cover plate of the first sealing bin (3) is provided with a waterproof PG head (1), the bottom end of the cavity of the second sealing bin (4) is provided with a waterproof PG head (1), and the wire outlet holes on the two sealing bins are matched with the wire outlet holes on the controller (5); an oil filling hole (2) is formed in the outer portion of the first sealing bin (3).

3. The waterproof electric motor control device according to claim 2, characterized in that: the oil filling hole (2) outside the first sealing bin (3) is sealed and fixed through waterproof solidified glue.

4. The waterproof electric motor control device according to claim 2, characterized in that: the sealing device is fixed with the controller (5) through waterproof solidification glue in a sealing mode, and the first sealing bin (3) and the second sealing bin (4) are fixed through waterproof solidification glue in a sealing mode.

5. The waterproof electric motor control device according to claim 1, characterized in that: the rear end cover (9) and the controller front end cover (6) of the motor are connected with the spigot (7) in a sealing mode through sealing glue, and the spigot (7) is connected with the sealing ring (8) in a sealing mode through the sealing glue.