CN202676405U - Air leakage test device in automobile cabin - Google Patents
Air leakage test device in automobile cabin Download PDFInfo
- Publication number
- CN202676405U CN202676405U CN 201220312535 CN201220312535U CN202676405U CN 202676405 U CN202676405 U CN 202676405U CN 201220312535 CN201220312535 CN 201220312535 CN 201220312535 U CN201220312535 U CN 201220312535U CN 202676405 U CN202676405 U CN 202676405U
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- air
- quantity generator
- storehouse
- automobile
- air quantity
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Abstract
The utility model discloses an air leakage test device in an automobile cabin. The device comprises a control cabinet, an air quantity generator, a detection part, an instrument meter and a computer control portion. The device is characterized in that the control cabinet and the air quantity generator are integrally arranged on a mobile frame; an air inlet of the air quantity generator is connected with an air inlet pipe; an air outlet is connected with an air supply hosepipe; the other end of the air supply hosepipe is connected with an air supply hole of the automobile cabin to be measured; the detection part and the instrument meter which are a temperature sensor, a differential pressure sensor, an air flow sensor and a digital display instrument are integrally arranged in the control cabinet. The device possesses the following advantages that operation is simple; measurement and control precision is high; test result repeatability is good; reliability is high; a working life long and so on.
Description
Technical field
The utility model relates to automobile air leakage testing apparatus, especially a kind of device for air leakage test in the automobile storehouse.
Background technology
Automobile (car) all relates to the problem of various devices in the seat storehouse being carried out the air leakage test in making and keeping in repair, as the various allocation of the amount of air performances of air conditioning for automobiles are tested, the little wind quantity test of various patterns, and the impermeability in car load seat storehouse (malleation, negative pressure) test etc., existing proving installation function and structure design comparison is complicated, to having relatively high expectations of practical operation, except automobile manufacturing enterprise, general vehicle maintenance and repair enterprise can't be equipped with.And in the real work, need air leakage proving installation in the automobile storehouse a kind of miniaturization, that more reasonable, easy and simple to handle, the test of function and structure design and control accuracy are high.
Summary of the invention
The utility model is to realize miniaturization, easy and simple to handle, test and the high demand of control accuracy for satisfying in the automobile storehouse air leakage test, and air leakage proving installation in a kind of automobile storehouse is provided.
The technical scheme that the utility model is taked is: air leakage proving installation in a kind of automobile storehouse, comprise that switch board, air quantity generator, detection part, instrument and meter and computer control partly form, it is characterized in that switch board and air quantity generator whole installation are on a portable frame, the air inlet of air quantity generator is connected with blast pipe, air outlet connects air supplying hose, and the other end of air supplying hose connects the wind pushing hole in automobile to be measured storehouse.
Described air quantity generator is high pressure blower.
Described detection part and instrument and meter are temperature sensor, differential pressure pickup, air flow sensor and read out instrument, and single unit system is in switch board.
The blast pipe of described air quantity generator is provided with air flowmeter, and air outlet is provided with the air-out tensimeter.
Can adopt nozzle-type flow mouth as the device of flow monitoring, turbulent flow on the blast pipe of described air quantity generator.
Characteristics of the present utility model and beneficial effect are: 1. this device is used for air leakage test in automobile (car) storehouse, adopt low noise high pressure blower extracting gases, be filled in the automotive seats storehouse, the manual adjustments fan frequency converter changes air mass flow, keep certain pressure, by the malleation leakage rate in the air flowmeter MEASUREMENT OF STEAM vehicle seat storehouse.2. with blower fan suction inlet access coachbuilt body, can measure the inleakage of coachbuilt body when negative pressure state.3. the air leakage measurement mechanism is received the area Calibration Box that leaks out, change the different cross-sectional on the Calibration Box, regulate blast pressure, can calibrate malleation or gas leakage area corresponding to negative pressure amount of leakage in the institute survey automobile storehouse.4. regulate air output, can make car case internal pressure reach 0～160Pa, record air mass flow, case internal pressure, frequency converter frequency.Therefore, this device has good function and structure design, and is easy and simple to handle, measure and the control accuracy height, and the test findings good reproducibility, reliability is high, the advantages such as long working life.
Description of drawings
Fig. 1 is the structural representation of one of the utility model embodiment;
Fig. 2 is control principle synoptic diagram of the present utility model.
Number in the figure represents respectively: 1-switch board, the portable frame of 2-, 3-air quantity generator, the 4-blast pipe, 5-air flowmeter, 6-air supplying hose, 7-air-out tensimeter, 8-output module, 9-data acquisition module, the 10-converter, the 11-computing machine, 12-digital displaying meter, T-temperature sensor, the P-differential pressure pickup, the L-air flow sensor.
Embodiment
As shown in Figure 1, the air leakage proving installation has a vertical switch board 1 in the automobile of the present utility model storehouse, temperature sensor T, differential pressure pickup P, air flow sensor L and with the detection parts such as the LED read out instrument 12 of the corresponding setting of each sensor and instrument and meter single unit system in switch board 1.Air quantity generator 3 is used to provide the required air mass flow of device, and the air quantity generator 3 of present embodiment adopts high pressure blower, according to the design needs, can also adopt the Fan Equipment of other type as the air quantity generator.Switch board 1 and as the high pressure blower whole installation of air quantity generator 3 on a portable frame 2, the air inlet of air quantity generator 3 is connected with blast pipe 4, air outlet connects air supplying hose 6, and the other end of air supplying hose 6 is connected to the wind pushing hole in automobile to be measured storehouse.The blast pipe 4 of air quantity generator 3 is provided with air flowmeter 5, and air outlet is provided with air-out tensimeter 7.As required, also can not establish air flowmeter 5 on the blast pipe 4 of air quantity generator 3, and adopt nozzle-type flow mouth (such as nozzle flowmeter) as the device of flow monitoring, turbulent flow.
Fig. 2 illustrates the ultimate principle of the utility model control part, and this control, calculating section are used for operation, data acquisition, data processing and the data storage of opertaing device, and data can save as Microsoft Excel form.Data show and print module is used for data demonstration and printout.Wherein:
Temperature sensor T(Pt100): access digital displaying meter 12, digital displaying meter LED displays temperature value, and export 0～100 ℃ of 4～20mA(correspondence) signal is to data acquisition module 9(ADAM-4017);
Differential pressure pickup P(correspondence-100～100Pa or-1000～1000Pa) access digital displaying meters, digital displaying meter LED shows force value, output 4～20mA signal is to data acquisition module 9(ADAM-4017);
Air flow sensor L(correspondence 0～1000Kg/h or 0～800m
3/ h) access digital displaying meter, digital displaying meter LED shows the air stream value, and exports 4～20mA signal to data acquisition module 9(ADAM-4017);
Data acquisition module 9(ADAM-4017) output RS485 data-signal behind collecting temperature sensor T, differential pressure pickup P, the air flow sensor L signal enters computing machine 11 by RS485/USB converter 10.
Differential pressure pickup P, air flow sensor L data can save as Microsoft Excel form.
Differential pressure pickup P, air flow sensor L and X(reveal area) data communication device cross Calibration Box and find out corresponding data relationship, be stored in database.Automatically find out corresponding leakage area X according to differential pressure pickup P, air flow sensor L measurement data by software during actual measurement.
Air quantity control: computing machine 11 is according to differential pressure pickup P or the automatic output regulation signal of air flow sensor L value set, by output module 8(ADAM-4021) output 4～20mA control simulation signal, change frequency converter and regulate the fan blower flow; Satisfy the setting requirement of differential pressure pickup P or air flow sensor L.
Report to the police and shut down control: warning and shutdown are controlled on the digital displaying meter to be finished; the differential pressure pickup P that any reason causes, air flow sensor L numerical value are too high can trigger alarm and shutdown; lower limit set value on the digital displaying meter is the highest alarming line, and upper limit set value is blower fan stall line.
Manually suddenly stop: press the manual red scram button on the switch board 1, air quantity generator (fan blower) shuts down, and red scram button is with self-lock protection.
In the practical application, device of the present utility model can be used for the various allocation of the amount of air performance tests of air conditioning for automobiles; The little wind quantity test of various patterns; Whole tightness (malleation, negative pressure) test etc.As:
This device is used for air leakage measurement in automobile (car) storehouse, adopt the silent ventilator extracting gases to be filled in automobile (car) storehouse, the manual adjustments fan frequency converter changes air mass flow, keep certain pressure, can measure the interior malleation leakage rate of sedan cabin by air flowmeter 5 or nozzle-type flow mouth.
With the blower fan suction inlet access coachbuilt body of this device, can measure the inleakage of coachbuilt body when negative pressure state.
This device is received the area Calibration Box that leaks out, change the different cross-sectional on the Calibration Box, regulate blast pressure, can calibrate interior malleation or gas leakage area corresponding to negative pressure leakage rate of institute's sedan cabin of surveying.
Claims (5)
1. air leakage proving installation in the automobile storehouse, comprise that switch board, air quantity generator, detection part, instrument and meter and computer control partly form, it is characterized in that switch board (1) and air quantity generator (3) whole installation are on a portable frame (2), the air inlet of air quantity generator (3) is connected with blast pipe (4), air outlet connects air supplying hose (6), and the other end of air supplying hose (6) connects the wind pushing hole in automobile to be measured storehouse.
2. air leakage proving installation in the automobile according to claim 1 storehouse is characterized in that described air quantity generator (3) is high pressure blower.
3. air leakage proving installation in the automobile according to claim 1 and 2 storehouse, it is characterized in that described detection part and instrument and meter are temperature sensor (T), differential pressure pickup (P), air flow sensor (L) and read out instrument (12), single unit system is in switch board (1).
4. air leakage proving installation in the automobile according to claim 1 storehouse is characterized in that the blast pipe (4) of described air quantity generator (3) is provided with air flowmeter (5), and air outlet is provided with air-out tensimeter (7).
5. air leakage proving installation according to claim 1 or in the 4 described automobile storehouses is characterized in that can adopting nozzle-type flow mouth as the device of flow monitoring, turbulent flow on the blast pipe (4) of described air quantity generator (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220312535 CN202676405U (en) | 2012-06-29 | 2012-06-29 | Air leakage test device in automobile cabin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220312535 CN202676405U (en) | 2012-06-29 | 2012-06-29 | Air leakage test device in automobile cabin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202676405U true CN202676405U (en) | 2013-01-16 |
Family
ID=47497304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220312535 Expired - Fee Related CN202676405U (en) | 2012-06-29 | 2012-06-29 | Air leakage test device in automobile cabin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202676405U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103398296A (en) * | 2013-07-29 | 2013-11-20 | 中国五冶集团有限公司 | Air pipe tightness test method, light leak test system using air pipe tightness test method, and wind pressure test system using air pipe tightness test method |
| CN105547609A (en) * | 2015-12-08 | 2016-05-04 | 广电计量检测（武汉）有限公司 | Carriage air-tightness intelligent detection device and control method thereof |
| CN111521353A (en) * | 2020-04-30 | 2020-08-11 | 广船国际有限公司 | Measuring device and measuring method for air leakage of integrated prevention cabin |
| CN113916309A (en) * | 2021-11-03 | 2022-01-11 | 中船黄埔文冲船舶有限公司 | Air leakage detection device for ship and use method thereof |
-
2012
- 2012-06-29 CN CN 201220312535 patent/CN202676405U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103398296A (en) * | 2013-07-29 | 2013-11-20 | 中国五冶集团有限公司 | Air pipe tightness test method, light leak test system using air pipe tightness test method, and wind pressure test system using air pipe tightness test method |
| CN103398296B (en) * | 2013-07-29 | 2015-09-09 | 中国五冶集团有限公司 | Airduct tightness method of testing |
| CN105547609A (en) * | 2015-12-08 | 2016-05-04 | 广电计量检测（武汉）有限公司 | Carriage air-tightness intelligent detection device and control method thereof |
| CN111521353A (en) * | 2020-04-30 | 2020-08-11 | 广船国际有限公司 | Measuring device and measuring method for air leakage of integrated prevention cabin |
| CN113916309A (en) * | 2021-11-03 | 2022-01-11 | 中船黄埔文冲船舶有限公司 | Air leakage detection device for ship and use method thereof |
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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: 20130116 Termination date: 20180629 |
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| CF01 | Termination of patent right due to non-payment of annual fee |