CN210124055U

CN210124055U - Vehicle control unit casing and vehicle control unit

Info

Publication number: CN210124055U
Application number: CN201920332241.4U
Authority: CN
Inventors: 陈立强
Original assignee: Beijing Jingwei Hirain Tech Co Ltd
Current assignee: Beijing Jingwei Hirain Tech Co Ltd
Priority date: 2019-03-15
Filing date: 2019-03-15
Publication date: 2020-03-03
Anticipated expiration: 2029-03-15

Abstract

The utility model discloses a vehicle control unit casing and vehicle control unit belongs to the vehicle controller field. The utility model provides a vehicle control unit casing is provided with the sealed flange that holds in sealed recess on going up casing and one of casing down, another including last casing and the lower casing that is connected, going up casing and being provided with the baffle on the outside of at least one of casing down, the baffle keeps off and establishes in the sealed recess outside. The utility model provides a vehicle control unit casing and vehicle control unit can be in sealed recess the sealed inboard sealed gluey back of beating, will seal the flange lock in sealed recess, go up to be provided with on at least one in casing and the lower casing in addition and keep off the baffle of establishing in the sealed recess outside, in humid environment such as carwash, can prevent that water from splashing in sealed recess, sealed effectual.

Description

Vehicle control unit casing and vehicle control unit

Technical Field

The utility model relates to a vehicle controller field, concretely relates to vehicle control unit casing and vehicle control unit.

Background

The vehicle control unit is the core control unit of new energy automobile, and the function that mainly realizes includes: receiving and processing various instructions of the driver, and sending control instructions to other controllers to realize various driving intentions of the driver; collecting and processing signals of a power system, a battery management system, a direct current control unit and key information of the whole vehicle; and judging and storing system faults, dynamically detecting system information, recording fault information and the like.

The function of the vehicle controller needs to be supported and protected by an external shell, so that the damage of the environment to a core control unit of the vehicle is prevented, and the function of the vehicle controller is prevented from being affected. However, the existing vehicle control unit shell has the problems of poor sealing performance and the like, so that the control panel of the vehicle control unit is poor in waterproofness and easy to damage.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sealed effectual vehicle control unit casing and vehicle control unit.

To achieve the purpose, on one hand, the utility model adopts the following technical scheme:

the vehicle control unit shell comprises an upper shell and a lower shell which are connected, wherein one of the upper shell and the lower shell is provided with a sealing groove, the other of the upper shell and the lower shell is provided with a sealing flange accommodated in the sealing groove, the outer side of at least one of the upper shell and the lower shell is provided with a baffle, and the baffle is arranged outside the sealing groove in a blocking manner.

In one embodiment, the periphery of each sealing groove is provided with the baffle; or the baffle is arranged on the outer side of at least one side edge of the sealing groove.

In one embodiment, the baffle is arranged outside at least three side edges of the sealing groove; the baffle plates on the outer sides of at least two opposite side edges of the sealing groove are connecting lugs used for being connected with a vehicle body.

In one embodiment, the engaging lug includes:

one end of the main body plate is connected with the upper shell or the lower shell and is arranged outside the sealing groove in a blocking mode; and

the connecting plate, its with the other end of main part board be connected and with the main part board becomes the contained angle setting, the connecting plate is used for with the vehicle connection.

In one embodiment, the upper housing and/or the lower housing and the baffle plate thereon are integrally formed or separately formed.

In one embodiment, the upper housing and/or the lower housing are provided with reinforcing ribs.

In one embodiment, a sealant is disposed between the sealing groove and the sealing flange.

In one embodiment, a vent valve is disposed on the lower housing.

In one embodiment, the upper housing and the lower housing are made by a stamping process.

In one embodiment, the included angle between two adjacent plate bodies arranged at an included angle of the upper shell and/or the lower shell is 60-70 degrees, or 110-120 degrees.

On the other hand, the utility model adopts the following technical scheme:

the vehicle control unit comprises the vehicle control unit shell and a control panel arranged in the vehicle control unit shell.

In one embodiment, the control board is provided with a positioning hole and/or a positioning notch, and the lower shell is provided with a positioning column which can pass through the positioning hole or the positioning notch.

In one embodiment, the upper housing, the control board, and the lower housing are connected by screws.

The utility model has the advantages as follows:

the utility model provides a vehicle control unit casing and vehicle control unit, go up and be provided with sealed recess on one of casing and lower casing, be provided with the sealing flange who holds in sealed recess on another, can be in the sealed back of gluing of sealed recess's interior periphery, with sealing flange lock in sealed recess, and go up and be provided with on at least one in casing and the lower casing and keep off the baffle of establishing in the sealed recess outside, can be in humid environment such as carwash, prevent that water from splashing in the sealed recess, it is sealed effectual, can play dustproof and waterproof effect to the control panel, prolong vehicle control unit's life-span.

Drawings

Fig. 1 is one of schematic structural diagrams of a vehicle control unit according to an embodiment of the present invention;

FIG. 2 is an exploded view of FIG. 1;

fig. 3 is a schematic structural diagram of a lower housing according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of an upper housing according to an embodiment of the present invention;

fig. 5 is a second schematic structural diagram of the vehicle control unit according to the embodiment of the present invention;

fig. 6 is a third schematic structural view of the vehicle control unit according to the embodiment of the present invention;

fig. 7 is a partially enlarged view of a portion a in fig. 6.

Reference numerals:

10. a control panel; 20. an upper housing; 30. a lower housing; 40. reinforcing ribs; 50. a baffle plate;

21. sealing the groove;

31. screw holes; 32. a vent valve; 33. a support table; 34. a positioning column; 35. a sealing flange;

51. connecting lugs; 511. a main body plate; 512. a connecting plate; 513. and connecting the through holes.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The specific embodiment of the utility model provides a vehicle control unit, as shown in fig. 1 and fig. 2, vehicle control unit includes vehicle control unit casing and sets up the control panel 10 in vehicle control unit casing, and control panel 10 can but not be limited to PCBA (Printed Circuit Board + Assembly, Printed Circuit Board is through the whole processing procedure of the last again DIP plug-in components of SMT) Board. The vehicle control unit housing comprises an upper housing 20 and a lower housing 30, wherein the upper housing 20 and the lower housing 30 are connected with each other, and a cavity for accommodating the control panel 10 is formed between the upper housing 20 and the lower housing 30. The upper case 20, the control panel 10, and the lower case 30 may be coupled to each other by a plurality of (at least two in terms of a plurality of) screws arranged in a circumferential direction, but not limited thereto. The specific number and distribution of the screws are not limited, and may be set according to the requirement, in this embodiment, seven screw holes 31 (six screw holes 31 are shown in the figure) for the screws to connect are provided on the lower shell 30.

The upper housing 20 and the lower housing 30 may be made of the same or different materials, optionally, the upper housing 20 and the lower housing 30 are made of metal materials, such as aluminum alloy, so as to have the advantages of low cost, light weight, and the like, the metal housing of the conventional vehicle control unit is generally formed by die casting, which causes the problems of high controller quality, high cost, multiple installation processes, and the like, to solve the problem, the upper housing 20 and the lower housing 30 in the present embodiment are both made of stamping processes, in order to achieve the feasibility of the stamping processes, as shown in fig. 1, an included angle α between two adjacent plates arranged at an included angle in the upper housing 20 and the lower housing 30 is about 65 degrees or 115 degrees, such as α at 60-70 degrees or 110-120 degrees, and the included angle between two adjacent surfaces is a rounded corner, the radius of the rounded corner is about 5mm, such as 3-7mm, so that two adjacent plates are smoothly connected, in transition, so as to achieve the stamping process, since the large plane of the housing is relatively large, in order to enhance the strength of the housing, and avoid the deformation of the housing, as shown in fig. 3 and 4, the upper housing 20 and the lower housing 30, the reinforcing ribs may be made of other specific embodiments, or the upper housing 20 and the lower housing may be made of plastic material.

With continued reference to fig. 3, a vent valve 32 is disposed on the lower housing 30. The lower case 30 may also be provided with, but is not limited to, a support stand 33 for supporting the control board 10. In order to ensure the accuracy of the installation position of the control board 10, the lower housing 30 is provided with positioning pillars 34, the positioning pillars 34 are preferably disposed on the supporting platform 33, the number of the positioning pillars 34 may be, but is not limited to, at least two, and the edge of the control board 10 is provided with positioning through holes and/or positioning notches (not shown in the drawings) for the positioning pillars 34 to pass through.

In order to improve the sealing performance of the vehicle control unit, as shown in fig. 3 and 4, the upper housing 20 is provided with a sealing groove 21, the lower housing 30 is provided with a sealing flange 35 accommodated in the sealing groove 21, the sealing flange 35 is located at the periphery of the support table 33, the upper housing 20 and the lower housing 30 can be mutually buckled after the inner periphery of the sealing groove 21 is filled with a sealing glue, the sealing effect is good, the dustproof and waterproof effect can be achieved on the control panel 10, and the service life of the vehicle control unit is prolonged. Specifically, in the present embodiment, each of the upper case 20 and the lower case 30 has a substantially rectangular shape, and sealing flanges 35 connected to each other are sequentially provided on three sides of the lower case 30. It should be noted that in other embodiments, the positions of the sealing groove 21 and the sealing flange 35 may be interchanged, that is, the sealing flange 35 is disposed on the housing 20, and the sealing groove 21 is disposed on the lower housing 30.

The vehicle control unit is usually arranged at the bottom of a vehicle, and when the vehicle control unit is in a humid environment such as vehicle washing, water is easily splashed into the sealing groove 21 to gradually destroy the sealing effect of the sealant in the sealing groove 21. In order to solve this problem and improve the blowout prevention function of the vehicle control unit, please refer to fig. 3 to 7, in this embodiment, a baffle 50 is disposed on the outer side of the lower housing 30, and the baffle 50 is disposed on the outer side of the sealing groove 21 to prevent water from splashing into the sealing groove 21. As shown in fig. 7, the baffle 50 is bent upward relative to the lower housing 30 to be located outside the sealing groove 21, in fig. 7, the sealing groove 21 is not visible in fig. 7 because the upper housing 20 and the lower housing 30 are fastened, and the position of the sealing groove 21 is shown in fig. 4. The baffle 50 is preferably, but not limited to, an integrally formed member with the lower case 30. In other embodiments, the baffle 50 and the lower case 30 may be formed as separate members and then assembled by connecting them with a connector or the like.

Whether the baffle 50 is provided outside each side of the seal groove 21 (i.e., the entire periphery of the seal groove 21) or the baffle 50 is provided outside a portion (partially refers to at least one) side of the seal groove 21 may be determined according to the installation position of the vehicle control unit and the direction in which the vehicle control unit may be water-sprayed. The drawings of the present embodiment show a case where the baffles 50 are disposed on three lateral sides of the sealing groove 21, and the baffles 50 on two opposite lateral sides can be used as the engaging lugs 51, the engaging lugs 51 can be, but are not limited to be, located in the width direction of the lower housing 30 to mount the whole vehicle controller on the vehicle body, while the baffle 50 on the other lateral side only plays a role of shielding the sealing groove 21, and a part of the baffles 50 therein has a role of shielding the sealing groove 21 and connecting with the vehicle body, so that the structure is more compact.

The engaging lug 51 includes a main body plate 511 and a connecting plate 512, the lower end of the main body plate 511 is connected with the lower shell 30 and is blocked outside the sealing groove 21, the connecting plate 512 is connected with the other end of the main body plate 511 and is arranged at an angle with the main body plate 511, and the connecting plate 512 is used for connecting with the vehicle body. Preferably, the angle between the connecting plate 512 and the main body plate 511 is about 90 degrees. The connection plate 512 is provided with a connection through hole 513 through which a screw passes. The shape of the main body plate 511 substantially conforms to the shape of the shutter 50 that merely functions to shield the sealing groove 21.

In other embodiments, two or more baffles 50 may be used as the engaging lugs 51, and for example, all the baffles 50 may be used as the engaging lugs 51.

It should be noted that the arrangement mode of the baffle 50 is not limited to the above, and in other embodiments, the baffle 50 may be modified on the upper shell 20, and the baffle 50 is bent downward relative to the upper shell 20 to perform a shielding function; or in other embodiments, the baffles 50 may be provided on both the upper casing 20 and the lower casing 30, the baffles 50 on the upper casing 20 and the baffles 50 on the lower casing 30 may be staggered or correspondingly provided, and when the baffles 50 on the upper casing 20 and the baffles 50 on the lower casing 30 are correspondingly provided, the lower end surface of the upper baffle 50 on the upper casing 20 and the upper end surface of the upper baffle 50 on the lower casing 30 are butted to exert the water spray prevention effect.

The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.

Claims

1. The vehicle control unit housing is characterized by comprising an upper housing (20) and a lower housing (30) which are connected, wherein one of the upper housing (20) and the lower housing (30) is provided with a sealing groove (21), the other one of the upper housing and the lower housing is provided with a sealing flange (35) accommodated in the sealing groove (21), the outer side of at least one of the upper housing (20) and the lower housing (30) is provided with a baffle plate (50), and the baffle plate (50) is arranged outside the sealing groove (21).

2. The vehicle control unit housing according to claim 1, characterized in that the baffle (50) is arranged outside a part of the side edge of the sealing groove (21); or the baffle plates (50) are arranged on the outer sides of all the side edges of the sealing groove (21).

3. The vehicle control unit housing according to claim 2, characterized in that the baffle (50) is arranged outside at least three sides of the sealing groove (21); the baffle plates (50) on the outer sides of at least two opposite sides of the sealing groove (21) are connecting lugs (51) used for being connected with a vehicle body.

4. Vehicle control unit housing according to claim 3,

the engaging lug (51) includes:

a main body plate (511) having one end connected to the upper case (20) or the lower case (30) and blocking the outside of the sealing groove (21); and

the connecting plate (512) is connected with the other end of the main body plate (511) and arranged at an included angle with the main body plate (511), and the connecting plate (512) is used for being connected with a vehicle body.

5. The vehicle control unit housing according to claim 1, wherein the upper housing (20) and/or the lower housing (30) are formed as an integral part or as a separate part with the baffle (50) thereon.

6. Vehicle control unit housing according to claim 1, characterized in that a sealing compound is arranged between the sealing groove (21) and the sealing flange (35).

7. Vehicle control unit housing according to claim 1, characterized in that the upper housing (20) and/or the lower housing (30) is/are produced by a stamping process.

8. The vehicle control unit housing as claimed in claim 7, wherein an angle between two adjacent angularly disposed plates of the upper housing (20) and/or the lower housing (30) is 60-70 degrees, or 110-120 degrees.

9. A vehicle control unit, characterized by comprising a vehicle control unit housing according to any one of claims 1 to 8 and a control board (10) arranged in the vehicle control unit housing.

10. The vehicle control unit according to claim 9, wherein a positioning hole and/or a positioning notch is/are formed in the control panel (10), a positioning column (34) is arranged on the lower housing (30), and the positioning column (34) is arranged in the positioning hole or the positioning notch in a penetrating manner.