CN204373865U - Waterproof test device - Google Patents
Waterproof test device Download PDFInfo
- Publication number
- CN204373865U CN204373865U CN201420838111.5U CN201420838111U CN204373865U CN 204373865 U CN204373865 U CN 204373865U CN 201420838111 U CN201420838111 U CN 201420838111U CN 204373865 U CN204373865 U CN 204373865U
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- Prior art keywords
- tracheae
- solenoid valve
- connecting pipe
- air
- test
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- Withdrawn - After Issue
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- Examining Or Testing Airtightness (AREA)
Abstract
The utility model discloses a kind of waterproof test device, comprise differential pressure gauge, the first tracheae, the second tracheae, the 3rd tracheae, the first connecting pipe, the second connecting pipe, fixture, test board, solenoid valve, pressure gauge and PLC control module, described differential pressure gauge comprises a test lead and compares end, described test board is provided with instrument connection position, described test lead is connected to the instrument connection position of test board by the second tracheae, and described fixture is positioned on test board; The described end that compares is communicated with airtight cavity by the 3rd tracheae; Described first tracheae is respectively the second tracheae and the 3rd tracheae air feed; Described solenoid valve comprises air-flow solenoid valve and exhaust solenoid valve, and described air-flow solenoid valve and exhaust solenoid valve are electrically connected with PLC control module respectively.The utility model by imitating Underwater Pressure with air pressure, and by differential pressure gauge compare test end with compare the air pressure numerical value holding two ends, to be measured bubble-tight detection efficiency can be improved, be applicable to commercial production.
Description
Technical field
The utility model relates to waterproof test technical field, particularly relates to a kind of waterproof test device.
Background technology
The water resistance test of electronic product, has become the important indicator weighing electronic product performance.Waterproof test of the prior art generally adopts the method for testing under water, disassembles to be measured to detect concrete water proof case after maintaining 30 minutes under to be measured being placed on the 1.5m depth of water.Above-mentioned waterproof testing method under water, easily brings following problem: 1, band is surveyed the infiltration of part inside and destroys its internals; 2, the cycle duration of underwater testing device test is long, and the osmosis of main water, does not have production, waterproof test inefficiency; 3, underwater testing device is unfavorable for operation.In view of this, be necessary to be further improved above-mentioned waterproof test device.
Utility model content
Technical problem to be solved in the utility model is: provide a kind of testing efficiency high, can not destroy the waterproof test device of device under test inner structure.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: provide a kind of waterproof test device, comprise differential pressure gauge, the first tracheae, the second tracheae, the 3rd tracheae, the first connecting pipe, the second connecting pipe, fixture, test board, solenoid valve, pressure gauge and PLC control module
Described differential pressure gauge comprises a test lead and compares end, described test board is provided with instrument connection position, described test lead is connected to the instrument connection position of test board by the second tracheae, and described fixture is positioned on test board, and to be measured presses on test board by described pressure gauge; The described end that compares is communicated with airtight cavity by the 3rd tracheae; Described first tracheae is by the first connecting pipe and the second tracheae air feed, and the first tracheae is the 3rd tracheae air feed by the second connecting pipe;
Described solenoid valve comprises air-flow solenoid valve and exhaust solenoid valve; Described air-flow solenoid valve has two, is arranged on the first connecting pipe and the second connecting pipe respectively; Described exhaust solenoid valve is arranged on the 3rd tracheae; Described air-flow solenoid valve and exhaust solenoid valve are electrically connected with PLC control module respectively.
Wherein, also comprise the first simulation air bag and the second simulation air bag, described first simulation air bag is positioned on the second tracheae, and described second simulation air bag is positioned on the 3rd tracheae.
Wherein, described first tracheae is also provided with numerical monitor switch.
Wherein, also comprise pressure regulator valve, described pressure regulator valve is fixed on the first tracheae.
Wherein, described pressure regulator valve comprises the first variable valve and the second variable valve, and described first variable valve and the second variable valve are all arranged on the first tracheae.
Wherein, also comprise four threeway connectors, described first tracheae is communicated with the first connecting pipe and the second connecting pipe respectively by threeway connector, and described first connecting pipe is communicated with the second tracheae by threeway connector, and described second connecting pipe is communicated with the 3rd tracheae by threeway connector.
The beneficial effects of the utility model are: be different from waterproof test device of the prior art by carrying out under water, the air-leakage test time is grown or destroys the problem of to be measured inner structure, the utility model provides a kind of waterproof test device, comprise differential pressure gauge, first tracheae, second tracheae, 3rd tracheae, fixture, test board, electromagnetic valve component, pressure gauge and PLC control module, the first tracheae is utilized to provide air pressure, and replace hydraulic pressure to carry out air-leakage test to be measured with air pressure, concrete, the test lead air pressure of the differential pressure gauge connected is compared with the air pressure comparing end, if test lead air pressure equals to compare end air pressure, differential pressure gauge is shown as 0, judge air tight, if measuring air pressure is less than compare end air pressure, differential pressure gauge realizes positive number difference, judges gas leakage, the detection time of shortening, is convenient to suitability for industrialized production.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model waterproof test device;
Label declaration:
1, differential pressure gauge; 21, the first tracheae; 22, the second tracheae; 23, the 3rd tracheae;
3, fixture; 4, test board; 51, air-flow solenoid valve; 52, exhaust solenoid valve;
6, pressure gauge; 7, pressure regulator valve; 81, the first simulation air bag; 82, the second simulation air bag;
41, instrument connection position; 91, the first connecting pipe; 92, the second connecting pipe.
Embodiment
By describing technology contents of the present utility model in detail, realized object and effect, accompanying drawing is coordinated to be explained below in conjunction with embodiment.
The design of the utility model most critical is: adopt the first tracheae to provide air pressure, and replace hydraulic pressure to carry out air-leakage test to be measured with air pressure, concrete, by the test lead air pressure of the differential pressure gauge connected and the air pressure comparing end relatively and draw air-leakage test result, the detection time that can shorten, be convenient to suitability for industrialized production.
Please refer to Fig. 1, a kind of waterproof test device, comprise differential pressure gauge 1, first tracheae 21, second tracheae 22, the 3rd tracheae 23, first connecting pipe 91, second connecting pipe 92, fixture 3, test board 4, solenoid valve, pressure gauge 6 and PLC control module,
Described differential pressure gauge 1 comprises a test lead and compares end, described test board 4 is provided with instrument connection position 41, described test lead is connected to the instrument connection position 41 of test board 4 by the second tracheae 22, and described fixture 3 is positioned on test board 4, and to be measured presses on test board 4 by described pressure gauge 6; The described end that compares is communicated with airtight cavity by the 3rd tracheae 23; Described first tracheae 21 is by the first connecting pipe 91 and the second tracheae 22 air feed, and the first tracheae 21 is the 3rd tracheae 23 air feed by the second connecting pipe 92;
Described solenoid valve comprises air-flow solenoid valve 51 and exhaust solenoid valve 52; Described air-flow solenoid valve 51 has two, is arranged on the first connecting pipe 91 and the second connecting pipe 92 respectively; Described exhaust solenoid valve 52 is arranged on the 3rd tracheae 23; Described air-flow solenoid valve 51 and exhaust solenoid valve 52 are electrically connected with PLC control module respectively.
This programme principle of work is as follows: device under test is put into the fixture 3 meeting device, utilize pressure gauge 6 to pressurize and fix determinand, and pressurize to the first tracheae 21 gas transmission, total gas pours into 15KPa (quite under water the dark pressure of 1.5M) air pressure, treat that gas is full of equipment tracheae cavity, open differential pressure gauge 1 two ends gas circuit, differential pressure gauge 1 test lead product clamper 3 is communicated with, and compares end and is communicated with seal chamber.If product leaks gas, then the atmospheric pressure value of test lead is less than the atmospheric pressure value comparing end, and differential pressure gauge 1 shows positive number difference, judges gas leakage according to difference; If product is air tight, then both are equal, and differential pressure gauge 1 shows " 0 ", judges air tight.
From foregoing description, the beneficial effects of the utility model are: be different from waterproof test device of the prior art by carrying out under water, the air-leakage test time is grown or destroys the problem of to be measured inner structure, the utility model provides a kind of waterproof test device, comprise differential pressure gauge 1, first tracheae 21, second tracheae 22, 3rd tracheae 23, fixture 3, test board 4, solenoid valve, pressure gauge 6 and PLC control module, the first tracheae 21 is utilized to provide air pressure, and replace hydraulic pressure to carry out air-leakage test to be measured with air pressure, concrete, the test lead air pressure of the differential pressure gauge 1 connected is compared with the air pressure comparing end, if test lead air pressure equals to compare end air pressure, differential pressure gauge 1 is shown as 0, judge air tight, if measuring air pressure is less than compare end air pressure, differential pressure gauge 1 realizes positive number difference, judges gas leakage, the detection time of shortening, is convenient to suitability for industrialized production.
Further, also comprise the first simulation air bag 81 and the second simulation air bag 82, described first simulation air bag 81 is positioned on the second tracheae 22, and described second simulation air bag 82 is positioned on the 3rd tracheae 23.First simulation air bag 81 and the second simulation air bag 82 are not true inflatable balloon-like article, are can the space of inventory of gas or tracheae.
Further, described first tracheae 21 is also provided with numerical monitor switch (not marking).This numerical monitor switch intuitively can show measuring air pressure, is beneficial to checking and record of tester.
Further, also comprise pressure regulator valve 7, described pressure regulator valve 7 is fixed on the first tracheae 21.This pressure regulator valve 7 has the effect of adjustable pressure.
Further, described pressure regulator valve 7 also comprises the first variable valve and the second variable valve, and described first variable valve and the second variable valve are all arranged on the first tracheae 21.This first variable valve is used for first time adjustable pressure, ensures that the gas of input gas circuit is dry clean gas; Second variable valve is used for second time adjustable pressure, and fine setting ensures measuring air pressure.
Further, also comprise four threeway connectors, described first tracheae 21 is communicated with the first connecting pipe 91 and the second connecting pipe 92 respectively by threeway connector, described first connecting pipe 91 is communicated with the second tracheae 22 by threeway connector, and described second connecting pipe 92 is communicated with the 3rd tracheae 23 by threeway connector.This threeway connector can ensure that test macro gas circuit is air tight.
In sum, a kind of waterproof test device that the utility model provides, comprise differential pressure gauge, the first tracheae, the second tracheae, the 3rd tracheae, fixture, test board, solenoid valve, pressure gauge and PLC control module, the first tracheae is utilized to provide air pressure, and replace hydraulic pressure to carry out air-leakage test to be measured with air pressure, concrete, the test lead air pressure of the differential pressure gauge connected is compared with the air pressure comparing end, if test lead air pressure equals to compare end air pressure, differential pressure gauge is shown as 0, judges air tight; If measuring air pressure is less than compare end air pressure, differential pressure gauge realizes positive number difference, judges gas leakage, the detection time shortened, be convenient to suitability for industrialized production, in addition, the stability that this programme also has device is good, and test result is accurate, the viewing of very convenient barometric information and record.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every equivalents utilizing the utility model instructions and accompanying drawing content to do; or be directly or indirectly used in relevant technical field, be all in like manner included in scope of patent protection of the present utility model.
Claims (6)
1. a waterproof test device, is characterized in that, comprises differential pressure gauge, the first tracheae, the second tracheae, the 3rd tracheae, the first connecting pipe, the second connecting pipe, fixture, test board, solenoid valve, pressure gauge and PLC control module,
Described differential pressure gauge comprises a test lead and compares end, described test board is provided with instrument connection position, described test lead is connected to the instrument connection position of test board by the second tracheae, and described fixture is positioned on test board, and to be measured presses on test board by described pressure gauge; The described end that compares is communicated with airtight cavity by the 3rd tracheae; Described first tracheae is by the first connecting pipe and the second tracheae air feed, and the first tracheae is the 3rd tracheae air feed by the second connecting pipe;
Described solenoid valve comprises air-flow solenoid valve and exhaust solenoid valve; Described air-flow solenoid valve has two, is arranged on the first connecting pipe and the second connecting pipe respectively; Described exhaust solenoid valve is arranged on the 3rd tracheae; Described air-flow solenoid valve and exhaust solenoid valve are electrically connected with PLC control module respectively.
2. waterproof test device according to claim 1, is characterized in that, also comprises the first simulation air bag and the second simulation air bag, and described first simulation air bag is positioned on the second tracheae, and described second simulation air bag is positioned on the 3rd tracheae.
3. waterproof test device according to claim 1, is characterized in that, described first tracheae is also provided with numerical monitor switch.
4. waterproof test device according to claim 1, is characterized in that, also comprises pressure regulator valve, and described pressure regulator valve is fixed on the first tracheae.
5. waterproof test device according to claim 4, is characterized in that, described pressure regulator valve comprises the first variable valve and the second variable valve, and described first variable valve and the second variable valve are all arranged on the first tracheae.
6. the waterproof test device according to any one of claim 1-5, it is characterized in that, also comprise four threeway connectors, described first tracheae is communicated with the first connecting pipe and the second connecting pipe respectively by threeway connector, described first connecting pipe is communicated with the second tracheae by threeway connector, and described second connecting pipe is communicated with the 3rd tracheae by threeway connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420838111.5U CN204373865U (en) | 2014-12-25 | 2014-12-25 | Waterproof test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420838111.5U CN204373865U (en) | 2014-12-25 | 2014-12-25 | Waterproof test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204373865U true CN204373865U (en) | 2015-06-03 |
Family
ID=53330075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420838111.5U Withdrawn - After Issue CN204373865U (en) | 2014-12-25 | 2014-12-25 | Waterproof test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204373865U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106017825A (en) * | 2016-06-23 | 2016-10-12 | 苏州艾酷玛赫设备制造有限公司 | Airtightness test device |
| CN109827720A (en) * | 2019-04-02 | 2019-05-31 | 深圳市顺源精密机械有限公司 | A kind of air curtain test device |
-
2014
- 2014-12-25 CN CN201420838111.5U patent/CN204373865U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106017825A (en) * | 2016-06-23 | 2016-10-12 | 苏州艾酷玛赫设备制造有限公司 | Airtightness test device |
| CN109827720A (en) * | 2019-04-02 | 2019-05-31 | 深圳市顺源精密机械有限公司 | A kind of air curtain test device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518000 Guangdong Province, Shenzhen city Baoan District manhole Street Xihuan Road No. 1013 Patentee after: Shenzhen Sunway Acoustics Technology Co Ltd Address before: 518000 Guangdong Province, Shenzhen city Baoan District manhole Street Xihuan Road No. 1013 Patentee before: SHENZHEN YINWOSHI TECHNOLOGY CO., LTD. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 413000 building K1, standardized workshop, East Industrial Park, high tech Zone, Yiyang City, Hunan Province Patentee after: Yiyang Xinwei Acoustic Technology Co., Ltd Address before: 518000, No. 1013, West Ring Road, manhole street, Baoan District, Guangdong, Shenzhen Patentee before: SHENZHEN SUNWAY ACOUSTICS TECHNOLOGY Co.,Ltd. |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150603 Effective date of abandoning: 20210511 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20150603 Effective date of abandoning: 20210511 |