CN202200849U - Waterproof anti-condensation instrument - Google Patents
Waterproof anti-condensation instrument Download PDFInfo
- Publication number
- CN202200849U CN202200849U CN2011202920895U CN201120292089U CN202200849U CN 202200849 U CN202200849 U CN 202200849U CN 2011202920895 U CN2011202920895 U CN 2011202920895U CN 201120292089 U CN201120292089 U CN 201120292089U CN 202200849 U CN202200849 U CN 202200849U
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- CN
- China
- Prior art keywords
- upper shell
- instrument
- gauge panel
- airtight
- panel upper
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a waterproof anti-condensation instrument, which comprises an instrument panel lower shell, wherein an instrument panel upper shell is arranged on the instrument panel lower shell; a transparent front cover is arranged on the instrument panel upper shell; an instrument board is arranged on the lower surface of the instrument panel upper shell in a tightly attached manner; sealing devices are arranged between the instrument panel upper shell and the instrument panel lower shell as well as the instrument panel upper shell and the transparent front cover; the instrument panel upper shell and the instrument board are used for dividing an instrument inner cavity into an airtight lower cavity positioned in the instrument panel lower shell and an airtight upper cavity positioned in the transparent front cover; and an air vent hole for communicating the airtight upper cavity with the airtight lower cavity is formed in the instrument panel upper shell and/or the instrument board. The airtight upper cavity is communicated with the airtight lower cavity through the air vent hole, so that the fluctuation range of temperatures in the instrument is reduced, and partial pressure of water vapor is reduced; therefore, the partial pressure of the water vapor is lower than saturated vapor pressure, and condensation phenomena are prevented.
Description
Technical field
The utility model relates to a kind of auto meter.
Background technology
The auto meter of prior art; Comprise the gauge panel lower house; On the said gauge panel lower house gauge panel upper shell is installed; On the said gauge panel upper shell transparent front shroud is installed, said gauge panel upper shell lower surface is adjacent to instrument carrier panel is installed, and said gauge panel upper shell and said instrument carrier panel are divided into airtight cavity of resorption that is positioned at said gauge panel lower house side and the airtight epicoele that is positioned at said transparent front shroud side with said instrument inner chamber.
For guaranteeing the normal operation of instrument, need take the leak free structure, but be Plastic Parts because of gauge panel lower house, gauge panel upper shell, transparent front shroud; Be prone to deform in installation and the use; Very difficult realization seals fully, therefore have the airtight epicoele that the part aqueous vapor gets into instrument, and the volume of airtight epicoele is less and transparent front shroud is thinner; The temperature fluctuation of airtight epicoele is bigger; When the dividing potential drop of water in air steam in the airtight epicoele greater than this temperature under during saturated vapor pressure, then cover inner surface forms condensation before transparent, has not only influenced the normal operation that reading has also influenced equipment.
Summary of the invention
The utility model technical matters to be solved provide a kind of prevent instrument water inlet and prevent aqueous vapor transparent front shroud dewfall the anti-condensation instrument of waterproof.
For solving the problems of the technologies described above; The technical scheme of the utility model is: waterproof is prevented the condensation instrument; Comprise the gauge panel lower house; On the said gauge panel lower house gauge panel upper shell is installed; On the said gauge panel upper shell transparent front shroud is installed, said gauge panel upper shell lower surface is adjacent to instrument carrier panel is installed, and is provided with sealing arrangement between said gauge panel upper shell and the said gauge panel lower house and between said gauge panel upper shell and the said transparent front shroud; Said gauge panel upper shell and said instrument carrier panel are divided into airtight cavity of resorption that is positioned at said gauge panel lower house side and the airtight epicoele that is positioned at said transparent front shroud side with said instrument inner chamber, and said gauge panel upper shell and/or said instrument carrier panel are provided with the air extractor vent that is communicated with said airtight epicoele and said airtight cavity of resorption.
As optimized technical scheme, said sealing arrangement comprises packing seal, and the upper and lower surfaces of said packing seal is provided with the sealant coating.
As optimized technical scheme, said sealing arrangement also comprises and is located at said gauge panel upper shell and ringwise front shroud positioning convex to have the positioning combination face between said front shroud positioning convex and the said transparent front shroud.
As optimized technical scheme, said front shroud positioning convex is provided with the vent that is communicated with said airtight epicoele and said positioning combination face.
Owing to adopted technique scheme; Waterproof is prevented the condensation instrument; Comprise the gauge panel lower house; On the said gauge panel lower house gauge panel upper shell is installed; On the said gauge panel upper shell transparent front shroud is installed, said gauge panel upper shell lower surface is adjacent to instrument carrier panel is installed, and is provided with sealing arrangement between said gauge panel upper shell and the said gauge panel lower house and between said gauge panel upper shell and the said transparent front shroud; Said gauge panel upper shell and said instrument carrier panel are divided into airtight cavity of resorption that is positioned at said gauge panel lower house side and the airtight epicoele that is positioned at said transparent front shroud side with said instrument inner chamber, and said gauge panel upper shell and/or said instrument carrier panel are provided with the air extractor vent that is communicated with said airtight epicoele and said airtight cavity of resorption; Air extractor vent has been communicated with airtight epicoele and airtight cavity of resorption, has reduced the fluctuation range of temperature in the instrument, has reduced the dividing potential drop of aqueous vapor, makes steam partial pressure less than saturated vapor pressure, has avoided the generation of condensation.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the structural representation of gauge panel upper shell among the utility model embodiment;
Fig. 3 is the structural representation of instrument carrier panel among the utility model embodiment;
Among the figure: 1-gauge panel lower house; 2-gauge panel upper shell; The transparent front shroud of 3-; The 4-instrument carrier panel; The airtight epicoele of 5-; The airtight cavity of resorption of 6-; The 7-air extractor vent; 8-first packing seal; 9-second packing seal; 10-positioning combination face; 11-front shroud positioning convex; The 12-vent.
The specific embodiment
Like Fig. 1, Fig. 2 and shown in Figure 3; Waterproof is prevented the condensation instrument, comprises gauge panel lower house 1, on the said gauge panel lower house 1 gauge panel upper shell 2 is installed; Transparent front shroud 3 is installed on the said gauge panel upper shell 2; Said gauge panel upper shell 2 lower surfaces are adjacent to instrument carrier panel 4 are installed, and are provided with sealing arrangement between said gauge panel upper shell 2 and the said gauge panel lower house 1 and between said gauge panel upper shell 2 and the said transparent front shroud 3, and said gauge panel upper shell 2 is divided into said instrument inner chamber airtight cavity of resorption 6 that is positioned at said gauge panel lower house side and the airtight epicoele 5 that is positioned at said transparent front shroud side with said instrument carrier panel 4; Said instrument carrier panel 4 is provided with the air extractor vent 7 that is communicated with said airtight epicoele 5 and said airtight cavity of resorption 6; Also said air extractor vent can be set on the gauge panel upper shell, can also on said gauge panel upper shell and said instrument carrier panel, said air extractor vent be set simultaneously, said air extractor vent has been communicated with airtight epicoele and airtight cavity of resorption; Reduced the fluctuation range of temperature in the instrument; Reduced the dividing potential drop of aqueous vapor, made steam partial pressure, avoided the generation of condensation less than saturated vapor pressure.
Said sealing arrangement comprise be located at first packing seal 8 between said gauge panel upper shell 2 and the said transparent front shroud 3 and be located at said gauge panel lower house 1 and said gauge panel upper shell 2 between second packing seal 9; The upper and lower surfaces of said first packing seal 8 and said second packing seal 9 is provided with the sealant coating; Said sealing arrangement also comprises and is located at said gauge panel upper shell 2 and ringwise front shroud positioning convex 11 to have positioning combination face 10 between said front shroud positioning convex 11 and the said transparent front shroud 3; Said front shroud positioning convex 11 is provided with the vent 12 that is communicated with said airtight epicoele 5 and said positioning combination face 10; Vent 12 has avoided moisture content in the accumulating of positioning combination face 10, and makes the faster easier gasification of water, when temperature build-up, discharges from the instrument inner chamber.
More than show and described the advantage of groundwork, principal character and the utility model of the utility model.The technical personnel of the industry should be understood; The utility model is not restricted to the described embodiments; The principle of describing in the foregoing description and the specification sheets that the utility model just is described; Under the prerequisite that does not break away from the utility model spirit and scope, the utility model also has various changes and modifications, and these variations and improvement all fall in the utility model scope that requires protection.The utility model requires protection domain to be defined by appending claims and equivalent thereof.
Claims (4)
1. waterproof is prevented the condensation instrument; Comprise the gauge panel lower house; On the said gauge panel lower house gauge panel upper shell is installed; On the said gauge panel upper shell transparent front shroud is installed; Said gauge panel upper shell lower surface is adjacent to instrument carrier panel is installed; Be provided with sealing arrangement between said gauge panel upper shell and the said gauge panel lower house and between said gauge panel upper shell and the said transparent front shroud, said gauge panel upper shell and said instrument carrier panel are divided into airtight cavity of resorption that is positioned at said gauge panel lower house side and the airtight epicoele that is positioned at said transparent front shroud side with said instrument inner chamber, it is characterized in that: said gauge panel upper shell and/or said instrument carrier panel are provided with the air extractor vent that is communicated with said airtight epicoele and said airtight cavity of resorption.
2. waterproof as claimed in claim 1 is prevented the condensation instrument, and it is characterized in that: said sealing arrangement comprises packing seal, and the upper and lower surfaces of said packing seal is provided with the sealant coating.
3. according to claim 1 or claim 2 the anti-condensation instrument of waterproof; It is characterized in that: said sealing arrangement also comprises and is located at said gauge panel upper shell and ringwise front shroud positioning convex to have the positioning combination face between said front shroud positioning convex and the said transparent front shroud.
4. waterproof as claimed in claim 3 is prevented the condensation instrument, it is characterized in that: said front shroud positioning convex is provided with the vent that is communicated with said airtight epicoele and said positioning combination face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202920895U CN202200849U (en) | 2011-08-12 | 2011-08-12 | Waterproof anti-condensation instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202920895U CN202200849U (en) | 2011-08-12 | 2011-08-12 | Waterproof anti-condensation instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202200849U true CN202200849U (en) | 2012-04-25 |
Family
ID=45964985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202920895U Expired - Fee Related CN202200849U (en) | 2011-08-12 | 2011-08-12 | Waterproof anti-condensation instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202200849U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102856681A (en) * | 2012-09-07 | 2013-01-02 | 资阳晨风电气有限公司 | Bullet train connector based dewing preventing device |
| CN108638862A (en) * | 2018-07-05 | 2018-10-12 | 林传琦 | A kind of vehicle-mounted plastics instrument structure of anti-condensation new-energy automobile |
| CN112484477A (en) * | 2021-01-18 | 2021-03-12 | 上海柔尔沐电子科技有限公司 | Dampproofing electric power panel board |
-
2011
- 2011-08-12 CN CN2011202920895U patent/CN202200849U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102856681A (en) * | 2012-09-07 | 2013-01-02 | 资阳晨风电气有限公司 | Bullet train connector based dewing preventing device |
| CN108638862A (en) * | 2018-07-05 | 2018-10-12 | 林传琦 | A kind of vehicle-mounted plastics instrument structure of anti-condensation new-energy automobile |
| CN108638862B (en) * | 2018-07-05 | 2019-11-26 | 浙江绍鸿仪表有限公司 | A kind of vehicle-mounted plastics instrument structure of anti-condensation new-energy automobile |
| CN112484477A (en) * | 2021-01-18 | 2021-03-12 | 上海柔尔沐电子科技有限公司 | Dampproofing electric power panel board |
| CN112484477B (en) * | 2021-01-18 | 2021-07-02 | 北京京仪北方仪器仪表有限公司 | Dampproofing electric power panel board |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120425 Termination date: 20140812 |
|
| EXPY | Termination of patent right or utility model |