CN207382697U - Electronic control unit and its shell - Google Patents
Electronic control unit and its shell Download PDFInfo
- Publication number
- CN207382697U CN207382697U CN201721426115.2U CN201721426115U CN207382697U CN 207382697 U CN207382697 U CN 207382697U CN 201721426115 U CN201721426115 U CN 201721426115U CN 207382697 U CN207382697 U CN 207382697U
- Authority
- CN
- China
- Prior art keywords
- flange
- barricade
- control unit
- electronic control
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model discloses a kind of electronic control unit and its shell, is assembled by lower cover and upper cover body and separates receiving space and exterior space, it is characterised in that：The lower cover includes bottom wall and the barricade extended along the outer periphery of the bottom wall to the upper cover body direction；The upper cover body include side wall and roof, the side wall include flange, the flange be arranged on the edge of the side wall and along the side wall it is continuously distributed to the lower cover direction stretch out；The flange is installed on the outside of the barricade, and a notch is formed between the flange and the barricade；Projection of the end of the flange on the barricade and the distance between on the outside of the flange and the barricade are more than or equal to 2 millimeters.The electronic control unit has good water resistance.
Description
Technical field
The utility model is related to a kind of control device more particularly to a kind of electronic control units for being used to control vehicle-mounted air bag
And its shell.
Background technology
It is applicable that control device applied to motor vehicles for example controls the electronic control unit of vehicle-mounted air bag to be commonly equipped with
In the shell of the structure member mounted on motor vehicles.In the shell, printed circuit board (PCB) supporting electronic control unit realizes work(
Electronic component needed for energy.In addition, the shell of electronic control unit is equipped with the electric connector for wiring, provides and pass
Communication between sensor, actuator or other control devices.
The printed circuit board (PCB) of electronic control unit is covered by shell, and extraneous complicated harsh environment can be prevented to electronics control
Device processed damages.The printed circuit board (PCB) of electronic control unit is protected by shell, in such as vehicle by can be with when hitting
Reliably start air bag so as to protect the safety of occupant.
The shell of electronic control unit generally includes upper cover body and lower cover, and lower cover is installed together protection with upper cover body
The back side of printed circuit board (PCB).In the case where complicated harsh working environment for example soaks, current can be because capillarity
The inner space of shell is penetrated into along the gap between lower cover and upper cover body, influences the normal work of electronic control unit,
Therefore new technical solution is needed to overcome the problems, such as this.
Utility model content
In view of one or more problem in the prior art, the technical solution of the utility model are realized in
's：
A kind of shell of electronic control unit is assembled by lower cover and upper cover body and separates receiving space and outside sky
Between,
The lower cover includes bottom wall and the barricade extended along the outer periphery of the bottom wall to the upper cover body direction；
The upper cover body includes side wall and roof, and the side wall includes flange, and the flange is arranged on the side of the side wall
Edge and along the side wall it is continuously distributed to the lower cover direction stretch out；
The flange is resisted against on the outside of the barricade, and a notch is formed between the flange and the barricade；It is described
The end of flange on the barricade projection with the flange and the barricade on the outside of the distance between more than etc.
In 2 millimeters.
Preferably, the inner surface of the flange and the gear face of wall limit the notch.
Preferably, the upper edge of the barricade further includes chamfering；The inner surface of the flange is under less than the chamfering
The position at edge with it is described gear face of wall against.
Preferably, the inner surface of the flange closer to the end of the flange further away from the gear face of wall.
Preferably, the inner surface of the flange with it is described gear face of wall formed angle, the angle be more than 26 degree and
Less than 90 degree.
Preferably, the thickness of the flange is gradually thinning against place to the end with the barricade from the side wall.
Preferably, the upper cover body and the lower cover are provided with seaming slot on one of them, are provided with card on another
Wedge, the card wedge are snapped in the seaming slot for the upper cover body to be connected with the lower cover.
Preferably, the upper cover body and the lower cover are made of plastic material.
The utility model additionally provides a kind of electronic control unit.
A kind of electronic control unit includes the shell of electronic control unit in accordance with the above, the receiving space
Middle fitting printed circuit board component.
Preferably, the first opening is formed on the side wall；The electronic control unit includes the electricity for being mounted on the first opening
Connector；The gear face of wall is additionally provided with stage portion, and the stage portion supports the electric connector.
According to the utility model proposes electronic control unit and its shell possess preferable water resistance, complicated severe
Ensure the normal work of electronic control unit under the working environment at quarter.
Description of the drawings
Embodiment or technical solution of the prior art in order to illustrate more clearly of the utility model, below to embodiment
Or attached drawing needed to be used in the description of the prior art does simple introduction.It should be evident that the accompanying drawings in the following description is this
Some embodiments of utility model, to those skilled in the art, without having to pay creative labor,
It can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the dimensional structure diagram according to the electronic control unit of the utility model specific embodiment；
Fig. 2 is the top view of the electronic control unit in Fig. 1；
Fig. 3 is the dimensional structure diagram of the lower cover of the electronic control unit in Fig. 1；
Fig. 4 is the upper cover body of the electronic control unit in Fig. 1 and the cross-sectional view of lower cover junction.
Specific embodiment
In order to enable those skilled in the art to better understand the technical solutions of the present invention, below in conjunction with the accompanying drawings and specifically
Embodiment the application is described in further detail.
As the embodiment of the utility model, figures 1 and 2 show that with cuboid shape or substantially square
The control device of bulk shape housing.The work of the vehicle-mounted air bag of such as motor vehicles of control device control in the present embodiment
Make.The control device is typically located at the comparatively safe region of vehicle and leads to for example between pilot set and assistant driver seat
It is commonly referred to as in the region of passage, for lighting a kind of electronics of the igniter of vehicle-mounted air bag when vehicle crashes
Control device 1.With reference to figure 1, electronic control unit 1 includes：Shell 2, printed circuit-board assembly 3 and electric connector 5.
Shell 2 includes upper cover body 20 and lower cover 4, and shell 2 defines a three-dimensional receiving space A, printed circuit board (PCB)
Component 3 be mounted on receiving space A in, so as to shell 2 can to printed circuit-board assembly 3 apply protection for example prevent dust and
Water droplet enters receiving space A and resists extraneous hit.Upper cover body 20 is the box like structure being made of plastic material, specifically,
Upper cover body 20 is made of fiber glass reinforced polypropylene.Upper cover body 20 includes roof 21, side wall 22, and upper cover body 20 is further included with accommodating sky
Between the first opening 2c for being connected along plugging direction of A, in the present embodiment, the first opening 2c is formed on side wall 22, roof 21 and side
Wall 22 collectively defines the first opening 2c.In the installation direction along printed circuit-board assembly 3, side wall 22 is opposite with roof 21
The second opening of position restriction 2d.
With reference to figure 2, have on side wall 22 to receiving space A sunken insides, recess forms the first mounting portion 9 and the second peace
Dress portion 10.First mounting portion 9 and the second mounting portion 10 are respectively provided with supplied for electronic control device 1 and install to tying in motor vehicle body
First installation component 7 and the second installation component 8 at structure position.First installation component 7 and the second installation component 8 are at least partly
Metal component in embedded upper cover body 20.In the present embodiment, shape is also distinguished on the first installation component 7, the second installation component 8
Into the first mounting hole 71, the second mounting hole 81 having through installation component, with the first mounting hole 71 of insertion, the second mounting hole 81
Fastener carries out installing electronic control unit 1 to the structure position of motor vehicles.In the present embodiment, the first installation component 7,
Two installation components 8 are integrally formed with upper cover body 20 for example, by embedding and injection molding technique.
In addition, the side wall 22 of upper cover body 20 has the flange stretched out to 4 direction of lower cover in the edge of the second opening 2d
24, flange 24 is continuously distributed along side wall 22.Relatively two edges of the side wall 22 at the second opening 2d respectively further comprise
Two seaming slots 23 stretched out from 22 edge of side wall to 4 direction of lower cover.Flange 24 is open along except seaming slot 23 and first
Side wall 22 beyond 2c is continuously distributed.
The electronics member device for controlling vehicle-mounted air bag work that printed circuit-board assembly 3 includes printed circuit board (PCB) and is arranged on
Part.The electric connector 5 that printed circuit-board assembly 3 is gone back and is attached and communicates with external equipment is connected, and electric connector 5 is mounted on
First opening 2c.Electric connector 5 includes insulating body and multiple conducting terminals.Multiple conducting terminals are electrically connected to printed circuit board (PCB)
On wiring circuit pattern, specifically, conducting terminal includes multiple external terminals and multiple inner terminals, and external terminal and inner terminal connect
It connects, the external equipment thus and with inner terminal being connected external device such as sensor class, actuator class is electrically connected.Meanwhile outside
The hole that terminal is stretched on printed circuit-board assembly 3 is connected with printed circuit board (PCB).Further, in the insulating body of electric connector 5
On, equipped with insertion be formed at printed circuit board (PCB) location hole locator protrusions, in the above manner electric connector 5 be firmly fixed
To printed circuit-board assembly 3.
Lower cover 4 with the plastics of 20 phase same material of upper cover body by being integrally formed.Lower cover 4 protects printed circuit-board assembly 3
The back side.Specifically, lower cover 4 is installed together closed above body 20 by the way of such as mechanical connection with upper cover body 20
Second opening 2d, and form receiving space A.Further, lower cover 4 be formed integrally as circumferential edges slightly erect it is shallow
Box-like.Specifically, extend in the neighboring (each side) of the bottom wall 41 of generally rectangular shaped shape to 20 direction of upper cover body vertical
In the continuous barricade 42 of bottom wall 41, therefore lower cover 4 is integrally formed to be open upward.
With reference to figure 3 and Fig. 4, upper cover body 20 and lower cover 4 are connected peace in a manner that side wall 22 and barricade 42 abut
It is fitted together.Flange 24 is installed on 42 outside of barricade, and flange 24 is arranged in the exterior space opposite with receiving space A around gear
Wall 42, and a notch B is formed between flange 24 and barricade 42.In the present embodiment, notch B is triangle, the i.e. flange 24
Inner surface from 26 direction of end from the position that the outer surface with barricade 42 contacts to flange 24 extension be gradually distance from barricade 42
Outer surface.The thickness of flange 24 abuts that place is gradually thinning to end 26 from side wall 22 and barricade 42.
For the facility that upper cover body 20 and lower cover 4 are installed, the upper edge 48 of barricade 42 is additionally provided with chamfering 25, barricade 4b's
Upper surface 48 supports 10 (not shown) of the first mounting portion 9 and/or the second mounting portion.In the present embodiment, the interior table of flange 24
The position that face is contacted with the outer surface of barricade 42 is less than the lower edge of chamfering 25.
The flange 24 that the side wall 22 of upper cover body 20 stretches out is in immersion around 4 barricade 42 of lower cover, electronic control unit 1
In the environment of when, the side wall 22 of water droplet along upper cover body 20 flows to the end 26 of flange 24, and shape between flange 24 and barricade 42
Into triangle notch so that cover 20 and lower cover can not be continued up under gravity by accumulating in the water droplet of indentation, there
It is moved at the gap that body 4 connects, therefore water droplet will not move in the notch B that is formed between flange 24 and barricade 42 of capillary effect
(being moved at the gap connected to upper cover body 20 and lower cover 4), will not penetrate into the interior of electronic control unit 1
Portion.Thus the normal work of the electronic component of electronic control unit 1 is protected.
In the present embodiment, the angle between the outer surface of the inner surface of flange 24 and barricade 42 is more than 26 degree and is less than
90 degree.In addition, on the direction parallel with barricade 42, the lower edge of the end 26 of flange 24 apart from chamfering 25 is at least 2mm,
Be the distance between in projection and flange 24 of the end 26 of flange 24 on barricade 42 and 42 outside of barricade at least
For 2mm.
Card wedge 47 is additionally provided on the outer surface of barricade 42, card wedge 47 is used for the mistake installed in lower cover 4 and upper cover body 20
The seaming slot 23 set on the side wall 22 of upper cover body 20 is snapped in journey, so as to which lower cover 4 and upper cover body 20 be fixed.
In addition, the outer surface of barricade 42 is additionally provided with stage portion 46, stage portion 46 is installed to the first opening in electric connector 5
Electric connector 5 is supported during 2c.
In addition, it is erected on the inner surface of the bottom wall 41 of lower cover 4 fixed there are two being installed for printed circuit-board assembly 3
Fixed part 43.Two fixed parts 43 are further connected to the opposite inner surface of barricade 42.In the upper end of fixed part 43, formed
There is the supporting surface 44 of the flat condition of supporting printing board component 3, on these supporting surfaces 44, be formed with for printed circuit board (PCB) group
3 fixed second hole 45 of part.
Further, two the second holes 45 the first mounting hole 71, the second mounting hole 81 with being set in upper cover body 20 respectively
Alignment；The hole the 1st alignd with the second hole 45 is also equipped on printed circuit-board assembly 3.Fastener such as bolt passes through second
The first mounting hole 71, the second mounting hole 81 set on the first hole 31 and upper cover body 20 on hole 45, printed circuit-board assembly 3
So as to by upper cover body 20, printed circuit when the upper cover body 20 of electronic control unit 1 is installed on the structure position of motor vehicles
Plate component 3 and lower cover 4 are fixed together, under printed circuit-board assembly 3 is also fixed on the state supported by each fixed part 43
In cover 4.
In the present embodiment, the upper cover body 20 of electronic control unit 1 and the structure position of motor vehicles are by being configured at the
Fastener (not shown) in one mounting hole 71, the second mounting hole 81 links together.In order to improve the rigidity of connection, can
By property and anti-loose ability, fastener uses pretension bolt, and further, when fastener is metal bolts, electronic control unit 1 is also
It is grounded by metal bolts.
It these are only specific embodiment according to the present utility model, it is all the application's not to limit the application
Any modification, equivalent substitution or improvement made within spirit and principle etc., should be included in the scope of protection of the utility model
Within.Such as card wedge 47 can also be arranged on the side wall 22 of upper cover body 2, seaming slot 23 can also be arranged on the gear of lower cover 4
On wall 42.
Claims (10)
1. a kind of shell of electronic control unit (2) is assembled by lower cover (4) and upper cover body (20) and separates receiving space
(A) and exterior space, it is characterised in that：
The lower cover (4) includes bottom wall (41) and prolongs along the outer periphery of the bottom wall (41) to the upper cover body (20) direction
The barricade (42) stretched；
The upper cover body (20) includes side wall (22) and roof (21), and the side wall (22) includes flange (24), the flange
(24) be arranged on the edge of the side wall (22) and along the side wall (22) it is continuously distributed stretched to the lower cover (4) direction
Go out；
The flange (24) is resisted against on the outside of the barricade (42), and is formed between the flange (24) and the barricade (42)
One notch (B)；Projection of the end (26) of the flange (24) on the barricade (42) and the flange (24) and the gear
The distance between on the outside of wall (42) is more than or equal to 2 millimeters.
2. the shell (2) of electronic control unit according to claim 1, which is characterized in that the interior table of the flange (24)
Face and the outer surface of the barricade (42) limit the notch (B).
3. the shell (2) of electronic control unit according to claim 2, which is characterized in that the upper end of the barricade (42)
Edge (48) further includes chamfering (25)；The inner surface of the flange (24) is in the position of the lower edge less than the chamfering (25) and institute
State the outer surface of barricade (42) against.
4. the shell (2) of electronic control unit according to claim 3, which is characterized in that the interior table of the flange (24)
Face is closer to the end of the flange (24) (26) further away from the outer surface of the barricade (42).
5. the shell (2) of electronic control unit according to claim 4, which is characterized in that the interior table of the flange (24)
Face and the outer surface of the barricade (42) form angle, and the angle is more than 26 degree and less than 90 degree.
6. the shell (2) of electronic control unit according to any one of claim 1 to 5, which is characterized in that the flange
(24) thickness is gradually thinning against place to the end (26) with the barricade (42) from the side wall (22).
7. the shell (2) of electronic control unit according to any one of claim 1 to 5, which is characterized in that the upper cover
Body (20) and the lower cover (4) are provided with seaming slot (23) on one of them, are provided with card wedge (47), the card on another
Wedge (47) is snapped in the seaming slot (23) for the upper cover body (20) to be connected with the lower cover (4).
8. the shell (2) of electronic control unit according to claim 7, which is characterized in that the upper cover body (20) and institute
Lower cover (4) is stated to be made of plastic material.
9. a kind of electronic control unit (1), which is characterized in that it includes electronics according to any one of claim 1 to 8
The shell (2) of control device, fitting printed circuit board component (3) in the receiving space (A).
10. electronic control unit (1) according to claim 9, which is characterized in that first is formed on the side wall (22) and is opened
Mouth (2c)；The electronic control unit (1) includes being mounted on the electric connector (5) of the first opening (2c)；The barricade (42)
Outer surface is additionally provided with stage portion (46), and the stage portion (46) supports the electric connector (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721426115.2U CN207382697U (en) | 2017-10-31 | 2017-10-31 | Electronic control unit and its shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721426115.2U CN207382697U (en) | 2017-10-31 | 2017-10-31 | Electronic control unit and its shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207382697U true CN207382697U (en) | 2018-05-18 |
Family
ID=62333662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721426115.2U Active CN207382697U (en) | 2017-10-31 | 2017-10-31 | Electronic control unit and its shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207382697U (en) |
-
2017
- 2017-10-31 CN CN201721426115.2U patent/CN207382697U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11834873B2 (en) | Side-door lock for a motor vehicle | |
| CN102986315A (en) | Electrical assembly for a motor vehicle that is suitable for contacting with a connector | |
| KR101570222B1 (en) | Control unit for a motor vehicle having a connector housing | |
| CN102387695A (en) | Electronic control unit | |
| CN102577649B (en) | For fixing the adaptation board of housing and corresponding controller in vehicle | |
| US20140118986A1 (en) | Onboard electronic control unit | |
| CN102084732A (en) | Control unit for personal protection means for a vehicle and method for assembling such a control unit | |
| KR20150078501A (en) | Box for vehicle | |
| CN108476590A (en) | Resin encapsulation type on-vehicle control apparatus | |
| CN103216139A (en) | Door handle for motor car | |
| US10568219B2 (en) | Electronic control device | |
| CN204956361U (en) | Electric box of vehicle | |
| CN207382697U (en) | Electronic control unit and its shell | |
| US11026340B2 (en) | Passenger protection control device | |
| CN207720544U (en) | Electronic control unit | |
| CN206149617U (en) | Electronic control unit | |
| CN207518966U (en) | Electronic control unit and its shell | |
| JP6588202B2 (en) | Electronic equipment | |
| CN208325104U (en) | Electronic control unit | |
| JP4773163B2 (en) | Electrical junction box | |
| CN207354761U (en) | The shell of electronic control unit | |
| CN107078485B (en) | Electric connection box | |
| CN207651754U (en) | Electronic control unit | |
| CN213043952U (en) | Electronic control device | |
| CN210986758U (en) | Electronic control device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |