CN207625957U - A kind of air-pressure balancing device of automobile electronics - Google Patents
A kind of air-pressure balancing device of automobile electronics Download PDFInfo
- Publication number
- CN207625957U CN207625957U CN201721465491.2U CN201721465491U CN207625957U CN 207625957 U CN207625957 U CN 207625957U CN 201721465491 U CN201721465491 U CN 201721465491U CN 207625957 U CN207625957 U CN 207625957U
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- shell
- air
- air pressure
- balance film
- pressure balance
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Abstract
The utility model embodiment discloses a kind of air-pressure balancing device of automobile electronics, including：Shell and at least one air equalizer opening through surface of shell；The air pressure balance film that deformation comes air pressure and ambient pressure in balance shell body is provided on each air equalizer opening.Pass through a kind of air-pressure balancing device for automobile electronics that the utility model embodiment provides, ensure automobile electronics shell inside and outside air pressure balance, the probability that shell deforms upon is reduced, the air-pressure balancing device is simple in structure, and then reduces the manufacturing cost of automobile electronics.
Description
Technical field
The utility model is related to automotive electronics spare and accessory parts technical fields, more particularly to a kind of air pressure of automobile electronics
Balancing device.
Background technology
In order to promote the function and comfort of automobile, more and more automobile electronics are equipped on automobile.
For the automobile electronics mounted on positions such as enging cabin, automobile chassises, for ensure electronic component not by
To the pollution of dust, greasy dirt, electronic component generally encapsulates in the housing.In car running process, electronic component continue working,
Constantly release heat, gas in heated shell, gas volume constantly expand, in shell air pressure accordingly increase；When out of service,
Electronic component stops heat dissipation, and the gas in shell is cooled to room temperature, and the volume of gas reduces, in shell air pressure accordingly reduce.
Air pressure change so frequent can cause housing distortion, therefore, how inside and outside the shell of balanced car electronic product
Air pressure, reducing the probability that shell deforms upon becomes those skilled in the art's urgent problem to be solved.
Utility model content
The purpose of this utility model is that a kind of air-pressure balancing device of automobile electronics is proposed, to realize automotive electronics
Gas external pressure balances in product shell, reduces the probability that shell deforms upon.
A kind of in order to achieve the above object, the utility model provides air-pressure balancing device of automobile electronics, including：Shell
Body and at least one air equalizer opening through the surface of shell；
Deformation is provided on each air equalizer opening, and to come air pressure and the air pressure of ambient pressure in balance shell body flat
Weigh film.
Preferably, the air pressure balance film is provided projectingly towards the hull outside, and air pressure is more than described in the shell
When ambient pressure, the air pressure balance film is expanded to the hull outside, increases the shell and the air pressure balance film is constituted
Cavity volume；
When air pressure is less than the ambient pressure in the shell, the air pressure balance film is shunk to the case inside, contracting
The volume for the cavity that the small shell and the air pressure balance film are constituted.
Preferably, the air pressure balance film is recessed towards the case inside and is arranged, and air pressure is more than described in the shell
When ambient pressure, the air pressure balance film is expanded to the hull outside, increases the shell and the air pressure balance film is constituted
Cavity volume；
When air pressure is less than the ambient pressure in the shell, the air pressure balance film is shunk to the case inside, contracting
The volume for the cavity that the small shell and the air pressure balance film are constituted.
Preferably, the shell includes upper shell and lower housing；
Be provided with sealing element between the upper shell and the lower housing, the sealing element make the upper shell, it is described under
Shell and the air pressure balance film form seal cavity.
Preferably, the sealing element is at least one of sealing strip, sealing ring, gasket and fluid sealant.
Preferably, the surface area size of the air pressure balance film is directly proportional to the volume size of the shell.
Preferably, the material of the air pressure balance film is TPU.
Preferably, the material of the air pressure balance film is the rigid plastics with deformation quantity.
Preferably, it is plastics to be provided with the upper shell of the air equalizer opening and/or the lower housing.
Preferably, the air pressure balance film double injection molding is on the air equalizer opening or dijection takes shape in the gas
It presses on balance hole.
It can be seen via above technical scheme that compared with prior art, the automobile provided by the utility model embodiment
The air-pressure balancing device of electronic product ensures that automobile electronics shell inside and outside air pressure balance, reduction shell deform upon general
Rate, the air-pressure balancing device is simple in structure, and then reduces the manufacturing cost of automobile electronics.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is a kind of air-pressure balancing device structural schematic diagram for automobile electronics that the utility model embodiment provides；
Fig. 2 is a kind of air-pressure balancing device sectional view for automobile electronics that the utility model embodiment provides.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Fig. 1 is a kind of air-pressure balancing device structural schematic diagram for automobile electronics that the utility model embodiment provides；
Fig. 2 is a kind of air-pressure balancing device sectional view for automobile electronics that the utility model embodiment provides.
The utility model embodiment one provides a kind of air-pressure balancing device of automobile electronics, including：Shell and run through
At least one air equalizer opening of surface of shell；
The air pressure balance film that deformation comes air pressure and ambient pressure in balance shell body is provided on each air equalizer opening
11。
When being run due to full-sized car electronic product, the heat distributed is more, and volume expansion is larger, therefore can be
Setting at least two runs through the air equalizer opening of surface of shell on surface of shell, more when gas volume changes in shell
Multiple 11 concurrent deformations of air pressure balance film on a air equalizer opening, can be with air pressure and ambient pressure in Fast-Balance shell；Have
A little automobile electronics shell small volumes, and it is set to the position far from engine, therefore gas volume changes in shell
Not acutely, an air equalizer opening can be set on the surface of the housing.
In the utility model embodiment, the position in gas balance hole can be set according to the installation site of shell.Peace
Shell in enging cabin, due to having above shell vacant space, air equalizer opening to run through housing upper surface, then gas
Pressure balance film 11 deformation can come air pressure and ambient pressure in balance shell body upwards；Shell on chassis, due to shell
Lower section have spare space, corresponding air equalizer opening can downwards deformation come air pressure and ambient pressure in balance shell body.Consider
To the aesthetic measure of shell, air equalizer opening can also be set to positions more hidden and not close to other electronic components
It sets.
To prevent ponding, dust stratification from causing 11 aging of air pressure balance film, deformation degree, strength reduction, 11 court of air pressure balance film
It is provided projectingly to hull outside, when air pressure is more than ambient pressure in shell, air pressure balance film 11 is expanded to hull outside, increases shell
The volume for the cavity that body and air pressure balance film 11 are constituted；When air pressure is less than ambient pressure in shell, air pressure balance film 11 is to shell
Inside is shunk, and can be shunk and be flushed as surface of shell or slight depression is in surface of shell, reduce shell and air pressure balance film 11
The volume of the cavity of composition.
For prevent automobile on road surface when driving, air pressure balance film 11 is broken up by stone to be split, and air pressure balance film 11 can court
It is recessed to case inside and is arranged, when air pressure is more than ambient pressure in shell, air pressure balance film 11 is expanded to hull outside, Ke Yikuo
Zhang Zhiyu surface of shell flushes or slightly protrudes from surface of shell, increases the appearance for the cavity that shell and air pressure balance film 11 are constituted
Product；When air pressure is less than ambient pressure in shell, air pressure balance film 11 is shunk to case inside, reduces shell and air pressure balance film 11
The volume of the cavity of composition.
The surface area size of air pressure balance film 11 is directly proportional to the volume size of shell.The design of surface area can follow with
Lower rule.Enclosure interior cavity volume is set as V, temperature change is Δ T in shell, according to The Ideal-Gas Equation, gas
When constancy of volume, air pressure is directly proportional to temperature.When being then increased to T DEG C of 25+ Δs from 25 DEG C of room temperature, the increased ratio of pressure isTherefore in order to ensure pressure balance, the deformation by air pressure balance film 11 need to be the volume of enclosure interior cavity
IncreaseTherefore, it is the air pressure balance film 11 of a for area.Its maximum deformation quantity that can bear is h.Then air pressure balance
The area a of film 11 should meet：
For example, for cavity volume V=100000mm3Product, when inside maximum temperature rise is 20 DEG C when work, cavity body
Product need to increase 6711mm3.The maximum deformation quantity h preferred scopes that balance film 11 is born are 1~3mm, as h=3mm, balance film 11
Area a need to be more than 2237mm2.11 preferred thickness of balance film is between 0.5~3mm.
The material of air pressure balance film 11 can be TPU (Thermoplastic polyurethane, thermoplastic polyurethane bullet
Property body rubber), shape invariance can be kept at normal temperatures, play support, protective effect；After heating, can soften hair repeatedly
Raw deformation.The material of air pressure balance film 11 may be the relatively thin rigid plastics with deformation quantity.
In the actual production process, for ease of the encapsulation of electronic component, shell may include upper shell 1 and lower housing 2；On
The material of shell and lower housing can be same material, can also be different two kinds of materials.In view of air equalizer opening with
The complexity of air pressure balance film Joining Technology, it is plastics to be provided with the upper shell of air equalizer opening and/or lower housing.Air pressure is flat
Film double injection molding weigh on air equalizer opening or dijection takes shape on air equalizer opening, can also be other moulding process,
Air pressure balance film 11 and shell is set to form a seal cavity.If air equalizer opening concentrated setting is on upper shell, upper casing
The material of body is plastics, and the material of lower housing can be the materials such as plastics, metal；If air equalizer opening concentrated setting is in lower casing
On body, then the material of lower housing can be the materials such as plastics, metal；If being both provided with air pressure balance on upper shell and lower housing
Hole, then upper shell and lower housing are plastic material.
In order to increase air-tightness, dust, oil pollution electronic component are prevented, is provided between upper shell 1 and lower housing 2 close
Sealing, sealing element are at least one of sealing strip, sealing rubber ring, gasket and fluid sealant, and sealing element makes upper shell 1, lower casing
Body 2 and air pressure balance film 11 form seal cavity.
By the air-pressure balancing device for the automobile electronics shell that the utility model embodiment provides, waterproof is not being introduced
In the case of gas permeable devices or unclassified stores and additional packaging technology, ensure automobile electronics shell inside and outside air pressure balance, drop
The probability that low shell deforms upon, the air-pressure balancing device is simple in structure, and then reduces the manufacturing cost of automobile electronics.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion so that article or equipment including a series of elements include not only those elements, but also is wrapped
Other elements that are not explicitly listed are included, or further include for this article or the intrinsic element of equipment.Do not having more
In the case of more limitations, the element that is limited by sentence "including a ...", it is not excluded that including above-mentioned element article or
There is also other identical elements in person's equipment.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use this practicality new
Type.Various modifications to these embodiments will be apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest range consistent with features of novelty.
Claims (7)
1. a kind of air-pressure balancing device of automobile electronics, which is characterized in that including：Shell and through the surface of shell
At least one air equalizer opening；
The air pressure balance film that deformation comes air pressure and ambient pressure in balance shell body is provided on each air equalizer opening；
The shell includes upper shell and lower housing；It is provided with the upper shell of the air equalizer opening and/or the lower casing
Body is plastics；The air pressure balance film double injection molding is on the air equalizer opening or dijection takes shape in the air pressure balance
Kong Shang；
Sealing element is provided between the upper shell and the lower housing, the sealing element makes the upper shell, the lower housing
Seal cavity is formed with the air pressure balance film.
2. air-pressure balancing device according to claim 1, which is characterized in that the air pressure balance film is towards outside the shell
Side is provided projectingly, and when air pressure is more than the ambient pressure in the shell, the air pressure balance film is expanded to the hull outside,
Increase the volume for the cavity that the shell and the air pressure balance film are constituted；
When air pressure is less than the ambient pressure in the shell, the air pressure balance film is shunk to the case inside, reduces institute
State the volume for the cavity that shell and the air pressure balance film are constituted.
3. air-pressure balancing device according to claim 1, which is characterized in that the air pressure balance film is towards in the shell
Side recess is arranged, and when air pressure is more than the ambient pressure in the shell, the air pressure balance film is expanded to the hull outside,
Increase the volume for the cavity that the shell and the air pressure balance film are constituted；
When air pressure is less than the ambient pressure in the shell, the air pressure balance film is shunk to the case inside, reduces institute
State the volume for the cavity that shell and the air pressure balance film are constituted.
4. air-pressure balancing device according to claim 1, which is characterized in that the sealing element is sealing strip, sealing ring, close
At least one of packing and fluid sealant.
5. air-pressure balancing device according to claim 1, which is characterized in that the surface area size of the air pressure balance film with
The volume size of the shell is directly proportional.
6. air-pressure balancing device according to claim 1, which is characterized in that the material of the air pressure balance film is TPU.
7. air-pressure balancing device according to claim 1, which is characterized in that the material of the air pressure balance film is with shape
The rigid plastics of variable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721465491.2U CN207625957U (en) | 2017-11-06 | 2017-11-06 | A kind of air-pressure balancing device of automobile electronics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721465491.2U CN207625957U (en) | 2017-11-06 | 2017-11-06 | A kind of air-pressure balancing device of automobile electronics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207625957U true CN207625957U (en) | 2018-07-17 |
Family
ID=62827665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721465491.2U Active CN207625957U (en) | 2017-11-06 | 2017-11-06 | A kind of air-pressure balancing device of automobile electronics |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207625957U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109116487A (en) * | 2018-09-04 | 2019-01-01 | 徐亚琴 | A kind of fibre-optical splice method for security protection |
| CN109116488A (en) * | 2018-09-04 | 2019-01-01 | 徐亚琴 | A kind of optical fiber terminal box |
| CN110715056A (en) * | 2019-10-21 | 2020-01-21 | 高新兴物联科技有限公司 | Seal ring and housing |
| CN111614874A (en) * | 2020-05-13 | 2020-09-01 | Oppo广东移动通信有限公司 | Electronic equipment |
| DE102022201375A1 (en) | 2022-02-10 | 2023-08-10 | Zf Friedrichshafen Ag | Housing device for a control device for a motor vehicle |
-
2017
- 2017-11-06 CN CN201721465491.2U patent/CN207625957U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109116487A (en) * | 2018-09-04 | 2019-01-01 | 徐亚琴 | A kind of fibre-optical splice method for security protection |
| CN109116488A (en) * | 2018-09-04 | 2019-01-01 | 徐亚琴 | A kind of optical fiber terminal box |
| CN109116488B (en) * | 2018-09-04 | 2020-05-08 | 广州宽带主干网络有限公司 | Optical fiber terminal box |
| CN109116487B (en) * | 2018-09-04 | 2020-06-26 | 上海晶鹰光电科技有限公司 | Optical fiber connector safety protection method |
| CN110715056A (en) * | 2019-10-21 | 2020-01-21 | 高新兴物联科技有限公司 | Seal ring and housing |
| CN110715056B (en) * | 2019-10-21 | 2021-08-03 | 高新兴物联科技有限公司 | Sealing ring and protective structure |
| CN111614874A (en) * | 2020-05-13 | 2020-09-01 | Oppo广东移动通信有限公司 | Electronic equipment |
| CN111614874B (en) * | 2020-05-13 | 2022-02-15 | Oppo广东移动通信有限公司 | Electronic equipment |
| DE102022201375A1 (en) | 2022-02-10 | 2023-08-10 | Zf Friedrichshafen Ag | Housing device for a control device for a motor vehicle |
| DE102022201375B4 (en) | 2022-02-10 | 2023-09-07 | Zf Friedrichshafen Ag | Housing device for a control device for a motor vehicle |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | "change of name, title or address" | ||
| CP03 | "change of name, title or address" |
Address after: 4 / F, building 1, No.14 Jiuxianqiao Road, Chaoyang District, Beijing 100020 Patentee after: Beijing Jingwei Hengrun Technology Co., Ltd Address before: 8 / F, block B, No. 11, Anxiang Beili, Chaoyang District, Beijing 100101 Patentee before: Beijing Jingwei HiRain Technologies Co.,Ltd. |