CN112074110A

CN112074110A - Electric control shell with waterproof and breathable design

Info

Publication number: CN112074110A
Application number: CN202010767982.2A
Authority: CN
Inventors: 刘汉国; 倪忠甲; 刘科; 徐浩
Original assignee: Anhui Chenji New Energy Technology Co ltd
Current assignee: Anhui Chenji New Energy Technology Co ltd
Priority date: 2020-08-03
Filing date: 2020-08-03
Publication date: 2020-12-11
Anticipated expiration: 2040-08-03
Also published as: CN112074110B

Abstract

An electrically controlled housing having a waterproof and breathable design, comprising: the casing, the casing lateral surface is equipped with the guiding gutter, the guiding gutter middle part is equipped with outer lug, be equipped with the mounting groove on the internal face of casing, be equipped with the bleeder vent that runs through between mounting groove and outer lug, two sections about the bleeder vent divide into are last hole section, lower hole section respectively, it runs through outer lug to go up the hole section, it is less than lower hole section diameter to go up hole section diameter, lower hole section internally mounted has metal sleeve, be equipped with sealed rubber ring between the lateral wall in metal sleeve and the lower hole section, the equal angle of axis direction is fixed with radiating fin along the metal sleeve inside wall, mounting groove internally mounted has metal sleeve seat, metal sleeve seat and metal sleeve integrated into one piece, install waterproof ventilated membrane on the metal sleeve seat. The smooth air flow inside and outside the shell is ensured, and the external water can be isolated from entering the shell.

Description

Electric control shell with waterproof and breathable design

Technical Field

The invention relates to the technical field of motor controllers, in particular to an electric control shell with a waterproof and breathable design.

Background

The motor controller is an integrated circuit which controls the motor to work according to the set direction, speed, angle and response time through active work. In the electric vehicle, the motor controller is used for converting the electric energy stored in the power battery into the electric energy required by the driving motor according to instructions of gears, an accelerator, a brake and the like so as to control the running states of the electric vehicle such as starting operation, advancing and retreating speed, climbing force and the like, or assisting the electric vehicle to brake and storing part of brake energy into the power battery. It is one of the key components of an electric vehicle.

Inside circuit board of machine controller is in the course of the work, circuit element can produce a large amount of heats, the casing need ensure the leakproofness in the design process in order to prevent the inside intaking of casing, protect inside circuit element, however, inside the sealed casing of accomplishing, can not ventilate with the external world, cause the inside and outside pressure differential of casing during the use easily, the inside hot fluid gas that produces of casing is not convenient for discharge, influence the heat dissipation of casing inside element, for preventing the inside and outside pressure differential that forms of casing, set up the air vent on the casing usually, current casing bleeder vent design need set up the screw hole on the casing, utilize screw thread screw in ventilation valve, the operation is complicated.

Disclosure of Invention

The invention aims to solve the problem that the existing air vent design of the shell needs to arrange a threaded hole on the shell and screw the air vent valve in the shell by utilizing threads, so that the operation is complex, and the invention aims to provide the electric control shell with the waterproof air vent design.

The technical problem to be solved by the invention is realized by adopting the following technical scheme:

an electrically controlled housing having a waterproof and breathable design, comprising:

the casing, the casing lateral surface is equipped with the guiding gutter, the guiding gutter middle part is equipped with outer lug, be equipped with the mounting groove on the internal face of casing, be equipped with the bleeder vent that runs through between mounting groove and outer lug, two sections about the bleeder vent divide into are last hole section, lower hole section respectively, it runs through outer lug to go up the hole section, it is less than lower hole section diameter to go up hole section diameter, lower hole section internally mounted has metal sleeve, be equipped with sealed rubber ring between the lateral wall in metal sleeve and the lower hole section, the equal angle of axis direction is fixed with radiating fin along the metal sleeve inside wall, mounting groove internally mounted has metal sleeve seat, metal sleeve seat and metal sleeve integrated into one piece, install waterproof ventilated membrane on the metal sleeve seat.

Further, the casing internally mounted has the circuit board, the outside ring cover of metal covering seat has the outer ring cover, outer ring cover lower extreme is connected with the support cylinder liner, support cylinder liner lower extreme outer ring side is fixed with the supporting seat, supporting seat bottom fixed mounting has the arc shell fragment, the arc shell fragment lower extreme is fixed with ceramic-supported pad, ceramic-supported pad is located circuit board upper portion.

Further, fixed mounting has ceramic seat on the casing inside wall, ceramic seat is located under the bleeder vent, ceramic seat upper portion is equipped with the constant head tank, the inside fixed mounting of constant head tank has the fore-set, the fore-set upper end is passed the circuit board and is installed the piston, the piston is located inside the support cylinder liner, support cylinder liner upper portion inboard is fixed with the spacer sleeve, the spacer sleeve is located piston upper portion, the spacer sleeve corresponds and is equipped with the air guide hole on the support cylinder liner lateral wall.

Furthermore, a supporting spring is fixed on the upper portion of the ceramic seat, an insulating pad is fixed on the upper portion of the supporting spring, and the insulating pad is located on the lower portion of the circuit board.

Furthermore, a radiating pipe is arranged inside the shell and connected with the supporting cylinder sleeve.

The invention has the beneficial effects that:

the invention has simple structure, the air vent is positioned at one section outside the shell and protrudes out of the surface of the shell by the arrangement of the outer convex block, the water at the end of the air vent can be guided by the guide groove arranged outside the outer convex block, the water is prevented from accumulating at the port of the air vent, the waterproof and breathable film is arranged at one end of the air vent inside the shell, the water entering the air vent can be isolated, the water is prevented from entering the shell, the smooth air flow inside and outside the shell is ensured, the external water can be isolated from entering the shell, the metal sleeve and the metal sleeve seat are arranged inside the air vent, the radiating fin is arranged inside the metal sleeve, the three parts can accelerate the heat conduction inside the shell, and the heat radiation inside the.

Drawings

FIG. 1 is a top view of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is a view of the support cylinder sleeve and the top post mounting structure of the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 3 in accordance with the present invention;

FIG. 5 is a cut away view of a lower hole section of the present invention;

in the figure: 1. a housing; 12. a diversion trench; 13. an outer bump; 14. mounting grooves; 15. air holes are formed; 101. an upper bore section; 102. a lower bore section; 16. a metal sleeve; 17. sealing the rubber ring; 18. a heat dissipating fin; 19. a metal sleeve seat; 20. a waterproof breathable film; 31. a circuit board; 32. an outer ring sleeve; 33. a support cylinder liner; 34. a supporting seat; 35. an arc-shaped elastic sheet; 36. a ceramic support pad; 41. a ceramic base; 42. positioning a groove; 43. a top pillar; 44. a piston; 45. an isolation sleeve; 46. an air vent; 51. a support spring; 52. an insulating pad; 53. a heat radiation pipe.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.

Example 1

As shown in fig. 1-5; an electrically controlled housing having a waterproof and breathable design, comprising:

the casing 1, casing 1 lateral surface is equipped with guiding gutter 12, guiding gutter 12 middle part is equipped with outer lug 13, be equipped with mounting groove 14 on the casing 1 lateral surface, be equipped with bleeder vent 15 that runs through between mounting groove 14 and outer lug 13, bleeder vent 15 divides into two sections from top to bottom, be upper hole section 101 respectively, lower hole section 102, upper hole section 101 runs through outer lug 13, upper hole section 101 diameter is less than lower hole section 102 diameter, lower hole section 102 internally mounted has metal sleeve 16, be equipped with sealed rubber ring 17 between metal sleeve 16 and the inner side wall of lower hole section 102, metal sleeve 16 inside wall is fixed with radiating fin 18 along axis direction equiangular, mounting groove 14 internally mounted has metal sleeve seat 19, metal sleeve seat 19 and metal sleeve 16 integrated into one piece, install waterproof ventilated membrane 20 on the metal sleeve seat 19.

Setting up of outer lug 13 makes bleeder vent 15 be located one section protrusion in casing 1 surface of casing 1 outside, outer lug 13 outside sets up guiding gutter 12 and can carry out the water conservancy diversion with 15 end departments of bleeder vent, avoid water to store up in 15 port departments of bleeder vent, 15 one end of the inside bleeder vent of casing 1 is provided with waterproof ventilated membrane 20, can completely cut off the water that gets into 15 inside bleeder vent, prevent that water from getting into casing 1, both guarantee that the inside and outside air current of casing 1 is unblocked, can completely cut off outside water again and get into

casing

1, and 15 inside metal sleeve 16 and the metal sleeve seat 19 of setting up of bleeder vent, 16 inboard of metal sleeve is equipped with radiating fin 18, the three can accelerate the inside heat-conduction of casing 1, when the air current circulates in bleeder vent 15, increase the inside heat.

Example 2

On the basis of example 1, as shown in FIGS. 3-5; the casing 1 internally mounted has circuit board 31, and the outside ring of metal sleeve seat 19 has outer ring cover 32, and outer ring cover 32 lower extreme is connected with support cylinder sleeve 33, supports the outer ring side of 33 lower extremes of cylinder sleeve and is fixed with supporting seat 34, and supporting seat 34 bottom fixed mounting has arc shell fragment 35, and arc shell fragment 35 lower extreme is fixed with ceramic-supported pad 36, and ceramic-supported pad 36 is located circuit board 31 upper portion. Utilize ceramic support pad 36 to be located circuit board 31 upper portion, isolated arc shell fragment 35 and circuit board 31 avoid arc shell fragment 35 electrically conductive, and arc shell fragment 35 has certain elasticity, and when casing 1 received vibrations, arc shell fragment 35 can cushion casing 1 inside circuit board 31, improves the location effect to circuit board 31.

Fixed mounting has ceramic seat 41 on the 1 inside wall of casing, and ceramic seat 41 is located under bleeder vent 15, and ceramic seat 41 upper portion is equipped with constant head tank 42, and the inside fixed mounting of constant head tank 42 has fore-set 43, and the fore-set 43 upper end is passed circuit board 31 and is installed piston 44, and piston 44 is located and is supported inside cylinder liner 33, supports cylinder liner 33 upper portion inboard and is fixed with spacer sleeve 45, and spacer sleeve 45 is located piston 44 upper portion, and spacer sleeve 45 corresponds to and is equipped with air guide hole 46 on the lateral wall of support cylinder liner 33. Support cylinder liner 33, arc shell fragment 35, fore-set 43 is the copper metal and makes, the heat that electronic component produced on circuit board 31 can be through supporting cylinder liner 33, arc shell fragment 35, fore-set 43 conducts to on the metal jacket seat 19, improve the inside radiating effect of casing 1, and casing 1 is when receiving vibrations, piston 44 can float inside supporting cylinder liner 33, and then promote the gas and the outside exchange in the support cylinder liner 33, improve the radiating effect, support the inside spacer sleeve 45 that sets up of cylinder liner 33, when supporting the inside intaking of cylinder liner 45, keep apart the water that gets into in the support cylinder liner 33, prevent to support the rivers that get into in the cylinder liner 33 to casing 1 inside.

The ceramic base 41 is fixed with a supporting spring 51 at the upper part, an insulating pad 52 is fixed at the upper part of the supporting spring 51, and the insulating pad 52 is positioned at the lower part of the circuit board 31. When the casing 1 receives external vibration, the insulating pad 52 and the ceramic support pad 36 limit the circuit board 31, so that the circuit board 31 is prevented from deviating, vibration is buffered, and the damage of the circuit board 31 is reduced.

The radiating pipe 53 is installed inside the housing 1, and the radiating pipe 53 is connected with the supporting cylinder sleeve 33. The heat dissipation effect inside the housing 1 is increased.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An electronic control housing with a waterproof and breathable design, comprising:

2. The electrically controlled housing according to claim 1, wherein a circuit board is mounted inside the housing, an outer sleeve is sleeved on the outer portion of the metal sleeve seat, a supporting cylinder sleeve is connected to the lower end of the outer sleeve, a supporting seat is fixed to the outer ring side of the lower end of the supporting cylinder sleeve, an arc-shaped elastic sheet is fixedly mounted at the bottom of the supporting seat, a ceramic supporting pad is fixed to the lower end of the arc-shaped elastic sheet, and the ceramic supporting pad is located on the upper portion of the circuit board.

3. The electric control shell with the waterproof and breathable design according to claim 2, characterized in that a ceramic seat is fixedly mounted on the inner side wall of the shell and located right below the air holes, a positioning groove is formed in the upper portion of the ceramic seat, a top post is fixedly mounted inside the positioning groove, a piston is mounted at the upper end of the top post through a circuit board and located inside the supporting cylinder sleeve, an isolation sleeve is fixed on the inner side of the upper portion of the supporting cylinder sleeve and located on the upper portion of the piston, and an air guide hole is formed in the side wall of the isolation sleeve corresponding to the supporting cylinder sleeve.

4. The electronic control housing with waterproof and air permeable design as claimed in claim 3, wherein the ceramic seat is fixed with a support spring on the upper part, and the support spring is fixed with an insulating pad on the upper part, and the insulating pad is located on the lower part of the circuit board.

5. The electrically controlled enclosure with waterproof and air permeable design as claimed in claim 2, wherein a heat pipe is installed inside the housing, and the heat pipe is connected with the supporting cylinder sleeve.