CN102967423A - Gas tightness detection device for automobile tail gas catalytic purifier - Google Patents
Gas tightness detection device for automobile tail gas catalytic purifier Download PDFInfo
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- CN102967423A CN102967423A CN2012104704692A CN201210470469A CN102967423A CN 102967423 A CN102967423 A CN 102967423A CN 2012104704692 A CN2012104704692 A CN 2012104704692A CN 201210470469 A CN201210470469 A CN 201210470469A CN 102967423 A CN102967423 A CN 102967423A
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Abstract
The invention discloses a gas tightness detection device for an automobile tail gas catalytic purifier. The gas tightness detection device comprises a bracket for supporting the catalytic purifier to be detected, and a detector arranged on the bracket, wherein the detector comprises a sealing device and an inflating device. The gas tightness detection device for the automobile tail gas catalytic purifier is precise in detection, easy to operate and small in size.
Description
Technical field
The present invention relates to auto parts and components production and detection, be specifically related to the car tail-gas catalytic purifier air tightness detection apparatus.
Background technology
Over past ten years, Domestic Automotive Industry high speed development, production and marketing scale rapid growth.Automobile has also inevitably brought atmosphere polluting problem when bringing convenience to people's lives.China's motor vehicle exhaust emission control is started late, but development is very fast.Increasingly strictly the wide industrial prospect that has driven car tail-gas catalytic purifier of the sustainable development of automobile industry and Abgasgesetz.Impermeability is one of key character of car tail-gas catalytic purifier, and good impermeability can significantly improve the clean-up effect of vehicle exhaust.The air tightness detection equipment that uses on the market now is for the large sealing product mostly, detect such as the impermeability to cylinder, this type of occupation area of equipment is large, be difficult for moving, production site is had relatively high expectations, be not suitable for the requirement of car tail-gas catalytic purifier industry, industry requirement is that a apparatus adaptability is strong, simple to operate, detection is accurate, the small and exquisite air tightness detection equipment of volume at present.
Summary of the invention
Problem to be solved by this invention provides the car tail-gas catalytic purifier air tightness detection apparatus, detect accurate, simple to operate, volume is small and exquisite.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme: the car tail-gas catalytic purifier air tightness detection apparatus, comprise also comprising the detecting device that is located on the support be used to the support that supports catalytic cleaner to be detected, described detecting device comprises packoff and aerating device.Catalytic cleaner to be measured is sealed, again it is inflated detection and whether leak gas, if show good airproof performance without gas leak phenomenon, if there is gas leak phenomenon to show that sealing is poor.
Improved, described packoff comprises the front propulsion cylinder that is located at the support left end, the thruster inlet casing that is located at the rear propulsion cylinder of support right-hand member and is located at frame bottom, the piston rod right-hand member of described front propulsion cylinder is provided be used to the front plug of blocking catalytic cleaner air intake opening to be detected, the piston rod left end of described rear propulsion cylinder is provided be used to blocking plug behind the catalytic cleaner to be detected gas outlet, the piston rod upper end of described thruster inlet casing is provided be used to blocking catalytic cleaner lambda sensor mouth side plug to be detected, described front propulsion cylinder, be equipped with outside gas circuit pipeline on rear propulsion cylinder and the thruster inlet casing.Each openning of blocking catalytic cleaner to be detected by cylinder piston promotion plug seals.
Improved, described front plug, rear plug and side plug all are made as taper, are equipped with seal rubber sleeve on described front plug, rear plug and the side plug.The plug of taper can be blocked openning not of uniform size, and seal rubber sleeve improves the impermeability of whole air tightness detection apparatus when can prevent the plug wearing and tearing.
Improved, be provided with pore in the described front plug, described pore also is connected with the extraneous gas pipeline, and described pore is provided with tensimeter, and described aerating device comprises outside gas circuit pipeline, pore and tensimeter.By pore the catalytic cleaner to be detected after sealing is inflated, be filled with gas pressure value in the tensimeter testing catalytic clarifier.
Improved, described outside gas circuit pipeline is connected with source of the gas, and the interface of described source of the gas is provided with the source of the gas filtrator.Gas is filtered, guarantee the detecting device normal operation.
Improved, also comprise be connected on the detecting device force value and the display of test duration that shows catalytic cleaner to be detected inside in the actual test process and be connected to detecting device and display between the action of front the propulsion cylinder solenoid valve of control, rear propulsion cylinder solenoid valve, thruster inlet casing solenoid valve and inflation solenoid valve and the controller of the information judgement testing result that sends according to display.Display shows in the test process actual pressure temporal evolution value and sends on the controller that unify control device and determination check result by controller, automaticity is high, controller control solenoid valve action and then control the running of corresponding cylinder or inflation.
Improved, described controller is provided with display screen, and described display screen is provided with the rear propulsion cylinder touch screen operational module of the rear propulsion cylinder solenoid valve action of front propulsion cylinder touch screen operational module, control of the front propulsion cylinder solenoid valve action of control, the inflation touch screen operational module of solenoid valve action is inflated in thruster inlet casing touch screen operational module and the control of control thruster inlet casing solenoid valve action.Propulsion cylinder solenoid valve before the front propulsion cylinder module controls, propulsion cylinder solenoid valve after the rear propulsion cylinder module controls, thruster inlet casing module controls thruster inlet casing solenoid valve, inflator module control inflation solenoid valve, click a certain module, then corresponding workpiece enters duty.
Improved, also be provided with start button, close push button, qualified pilot lamp and defective pilot lamp on the described display screen.Start button and close push button are responsible for the Kai Heguan of whole air tightness detection apparatus, and pilot lamp intuitively shows airtight detection result of determination.
Beneficial effect:
After adopting technique scheme, this invention car tail-gas catalytic purifier air tightness detection apparatus detection is accurate, simple to operate, volume is small and exquisite, be easy to maintenance.
Description of drawings
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described further:
Fig. 1 is the structural representation of detecting device of the present invention;
Fig. 2 is synoptic diagram of the present invention;
Fig. 3 is the structural representation of the display screen of controller of the present invention.
Embodiment
As shown in Figure 1, the car tail-gas catalytic purifier air tightness detection apparatus, comprise be used to the support 1 that supports catalytic cleaner 6 to be detected, also comprise the detecting device 2 that is located on the support, described detecting device comprises packoff and aerating device, also comprise be connected on the detecting device force value and the display of test duration 3 that shows catalytic cleaner to be detected inside in the actual test process and be connected to detecting device and display between propulsion cylinder solenoid valve before the control, rear propulsion cylinder solenoid valve, the action of thruster inlet casing solenoid valve and inflation solenoid valve and judge the controller 4 of testing result according to the information that display sends.
Described packoff comprises the front propulsion cylinder 211 that is located at the support left end, the thruster inlet casing 213 that is located at the rear propulsion cylinder 212 of support right-hand member and is located at frame bottom, the piston rod right-hand member of described front propulsion cylinder is provided be used to the front plug 214 of blocking catalytic cleaner air intake opening to be detected, the piston rod left end of described rear propulsion cylinder is provided be used to blocking plug 215 behind the catalytic cleaner to be detected gas outlet, the piston rod upper end of described thruster inlet casing is provided be used to blocking catalytic cleaner lambda sensor mouth side plug 216 to be detected, described front propulsion cylinder, be equipped with outside gas circuit pipeline 221 on rear propulsion cylinder and the thruster inlet casing, described front plug, rear plug and side plug all are made as taper, described front plug, be equipped with seal rubber sleeve on rear plug and the side plug, be provided with pore 222 in the described front plug, described pore also is connected with the extraneous gas pipeline, described pore is provided with tensimeter 223, described outside gas circuit pipeline is connected with source of the gas 224, the interface of described source of the gas is provided with the source of the gas filtrator, and described aerating device comprises the gentle supply filter of source of the gas.
Described controller is provided with display screen 5, described display screen is provided with the rear propulsion cylinder touch screen operational module 52 of the rear propulsion cylinder solenoid valve action of front propulsion cylinder touch screen operational module 51, control of the front propulsion cylinder solenoid valve action of control, the inflation touch screen operational module 54 of solenoid valve action is inflated in thruster inlet casing touch screen operational module 53 and the control of control thruster inlet casing solenoid valve action, also is provided with start button 55, close push button 56, qualified pilot lamp 57 and defective pilot lamp 58 on the described display screen.Described controller is take PLC as control core.
During actual the use, catalytic cleaner to be detected is placed on the support, three touch screen operational modules of front propulsion cylinder, rear propulsion cylinder, thruster inlet casing on the display screen of click controller, make front propulsion cylinder, rear propulsion cylinder, thruster inlet casing drive air intake opening, gas outlet and lambda sensor mouth that front plug, rear plug, side plug are blocked catalytic cleaner by front propulsion cylinder solenoid valve, rear propulsion cylinder solenoid valve, thruster inlet casing solenoid valve, make catalytic cleaner be in sealing state; Inflation touch screen operational module on the display screen of click controller is inflated in catalytic cleaner, and tensimeter shows the actual pressure in the catalytic cleaner.Pressure within showing catalytic cleaner on the display is during at 200 ± 5KPa, and the inflation touch screen operational module of clicking on the display screen of controller stops inflation.If the pressure retention time 〉=30s in 200 ± 5KPa scope in the catalytic cleaner that shows on the display, the qualified pilot lamp on the controller is bright, shows that the catalytic cleaner impermeability is good; If the pressure retention time≤30s in 200 ± 5KPa scope in the catalytic cleaner that shows on the display, defective pilot lamp is bright, shows that the catalytic cleaner impermeability is not enough.
Except above preferred embodiment, the present invention also has other embodiment, and those skilled in the art can make according to the present invention various changes and distortion, only otherwise break away from spirit of the present invention, all should belong to the defined scope of claims of the present invention.
Claims (8)
1. the car tail-gas catalytic purifier air tightness detection apparatus comprises be used to the support that supports catalytic cleaner to be detected (6) (1), it is characterized in that: also comprise the detecting device (2) that is located on the support, described detecting device comprises packoff and aerating device.
2. car tail-gas catalytic purifier air tightness detection apparatus according to claim 1, it is characterized in that: described packoff comprises the front propulsion cylinder (211) that is located at the support left end, the thruster inlet casing (213) that is located at the rear propulsion cylinder (212) of support right-hand member and is located at frame bottom, the piston rod right-hand member of described front propulsion cylinder is provided be used to the front plug (214) of blocking catalytic cleaner air intake opening to be detected, the piston rod left end of described rear propulsion cylinder is provided be used to blocking plug (215) behind the catalytic cleaner to be detected gas outlet, the piston rod upper end of described thruster inlet casing is provided be used to blocking catalytic cleaner lambda sensor mouth side plug to be detected (216), described front propulsion cylinder, be equipped with outside gas circuit pipeline (221) on rear propulsion cylinder and the thruster inlet casing.
3. car tail-gas catalytic purifier air tightness detection apparatus according to claim 2, it is characterized in that: described front plug, rear plug and side plug all are made as taper, are equipped with seal rubber sleeve on described front plug, rear plug and the side plug.
4. car tail-gas catalytic purifier air tightness detection apparatus according to claim 3, it is characterized in that: be provided with pore (222) in the described front plug, described pore also is connected with the extraneous gas pipeline, and described pore is provided with tensimeter (223).
5. according to claim 2 or 4 described car tail-gas catalytic purifier air tightness detection apparatus, it is characterized in that: described outside gas circuit pipeline is connected with source of the gas (224), the interface of described source of the gas is provided with the source of the gas filtrator, and described aerating device comprises the gentle supply filter of source of the gas.
6. car tail-gas catalytic purifier air tightness detection apparatus according to claim 1 is characterized in that: also comprise be connected to show force value and the display of test duration (3) of catalytic cleaner to be detected inside in the actual test process on the detecting device and be connected to detecting device and display between the action of front the propulsion cylinder solenoid valve of control, rear propulsion cylinder solenoid valve, thruster inlet casing solenoid valve and inflation solenoid valve and the controller (4) of the information judgement testing result that sends according to display.
7. car tail-gas catalytic purifier air tightness detection apparatus according to claim 6, it is characterized in that: described controller is provided with display screen (5), and described display screen is provided with the rear propulsion cylinder touch screen operational module (52) of the rear propulsion cylinder solenoid valve action of front propulsion cylinder touch screen operational module (51), control of the front propulsion cylinder solenoid valve action of control, the inflation touch screen operational module (54) of solenoid valve action is inflated in thruster inlet casing touch screen operational module (53) and the control of control thruster inlet casing solenoid valve action.
8. car tail-gas catalytic purifier air tightness detection apparatus according to claim 7 is characterized in that: also be provided with start button (55), close push button (56), qualified pilot lamp (57) and defective pilot lamp (58) on the described display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104704692A CN102967423A (en) | 2012-11-19 | 2012-11-19 | Gas tightness detection device for automobile tail gas catalytic purifier |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104704692A CN102967423A (en) | 2012-11-19 | 2012-11-19 | Gas tightness detection device for automobile tail gas catalytic purifier |
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| CN102967423A true CN102967423A (en) | 2013-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012104704692A Pending CN102967423A (en) | 2012-11-19 | 2012-11-19 | Gas tightness detection device for automobile tail gas catalytic purifier |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104931206A (en) * | 2014-03-19 | 2015-09-23 | 温州奔龙自动化科技有限公司 | Oxygen sensor airtightness testing device |
| CN105067200A (en) * | 2015-08-22 | 2015-11-18 | 山东同创汽车散热装置股份有限公司 | Intercooler high pressure testing device |
| CN106404300A (en) * | 2016-11-18 | 2017-02-15 | 贵州望江气体有限公司 | High-pressure container air tightness detection device |
| CN106595985A (en) * | 2016-11-02 | 2017-04-26 | 天津市捷威动力工业有限公司 | Airtightness detection device for LEV battery box |
| CN106706228A (en) * | 2016-12-01 | 2017-05-24 | 重庆速腾机械制造有限公司 | Sounding body leak detection device |
| CN107748037A (en) * | 2017-11-16 | 2018-03-02 | 天津卡达克汽车高新技术有限公司 | A kind of automobile exhaust system front stage air tightness detection apparatus |
| CN109211479A (en) * | 2018-08-14 | 2019-01-15 | 遵义海德汽车零部件有限责任公司 | Connecting terminal leak-testing apparatus |
| CN109631999A (en) * | 2018-12-26 | 2019-04-16 | 武汉科技大学 | The scattered accessory assembly and detection method of chain cover and device |
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| JPH10132696A (en) * | 1996-11-01 | 1998-05-22 | Toyota Motor Corp | Device and method for inspecting hydraulic pressure braking system |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104931206A (en) * | 2014-03-19 | 2015-09-23 | 温州奔龙自动化科技有限公司 | Oxygen sensor airtightness testing device |
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| CN106595985A (en) * | 2016-11-02 | 2017-04-26 | 天津市捷威动力工业有限公司 | Airtightness detection device for LEV battery box |
| CN106404300A (en) * | 2016-11-18 | 2017-02-15 | 贵州望江气体有限公司 | High-pressure container air tightness detection device |
| CN106706228A (en) * | 2016-12-01 | 2017-05-24 | 重庆速腾机械制造有限公司 | Sounding body leak detection device |
| CN106706228B (en) * | 2016-12-01 | 2019-04-09 | 重庆速腾机械制造有限公司 | Song body leak-checking apparatus |
| CN107748037A (en) * | 2017-11-16 | 2018-03-02 | 天津卡达克汽车高新技术有限公司 | A kind of automobile exhaust system front stage air tightness detection apparatus |
| CN109211479A (en) * | 2018-08-14 | 2019-01-15 | 遵义海德汽车零部件有限责任公司 | Connecting terminal leak-testing apparatus |
| CN109211479B (en) * | 2018-08-14 | 2024-07-02 | 遵义海德汽车零部件有限责任公司 | Binding post leakproofness check out test set |
| CN109631999A (en) * | 2018-12-26 | 2019-04-16 | 武汉科技大学 | The scattered accessory assembly and detection method of chain cover and device |
| CN109631999B (en) * | 2018-12-26 | 2021-08-24 | 武汉科技大学 | Chain cover scattered part assembly detection method and device |
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Application publication date: 20130313 |