CN203203770U - Valve body leakage test system - Google Patents
Valve body leakage test system Download PDFInfo
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- CN203203770U CN203203770U CN 201320158804 CN201320158804U CN203203770U CN 203203770 U CN203203770 U CN 203203770U CN 201320158804 CN201320158804 CN 201320158804 CN 201320158804 U CN201320158804 U CN 201320158804U CN 203203770 U CN203203770 U CN 203203770U
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- valve body
- pressure
- programmable logic
- valve
- body workpiece
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Abstract
The utility model discloses a valve body leakage test system, comprising a gas source, a programmable logic controller (PLC), an industrial control computer, a pressure controller used for maintaining pressure in a certain pressure scope in flow test, a flowmeter used for measuring valve body workpiece flow, a pressure transducer used for inducing pressure passing through a valve body workpiece and converting pressure into signals to output to the PLC, a cylinder used for fixing and plugging the valve body workpiece and an indicating device used for reacting whether test results of the valve body workpiece are qualified. The gas source is divided into two branches, wherein one branch is successively in series connection with the pressure controller and the flowmeter and is then in connection with a solenoid valve; the other end of the solenoid valve is in connection with the valve body workpiece; the other branch is in connection with the cylinder. The PLC is respectively in connection with the industrial control computer, the pressure controller, the flowmeter, the pressure transducer, the solenoid valve, the indicating device and the cylinder. The valve body leakage test system employs the PLC to control correlative electrical components to automatically complete valve body leakage test and has high work efficiency and test data accuracy.
Description
Technical field
The utility model relates to a kind of detection technique field of industrial part, specifically refers to a kind of valve body leakage testing system.
Background technology
In various industrial systems and auto industry, high pressure and vacuum work link are comparatively common.A lot of components and parts are the valve body components and parts especially, all exist certain leakage rate allowable such as the common fuel injector of motor car engine etc., the leakage rate of these components and parts and leakage rate allowable all are trace extremely under many circumstances, be difficult to detect by classic method, perhaps testing cost is relatively high.
At present, mostly be for the leak-testing of valve body unit device and manually carry out manual test between test carriage, workman's labour intensity is large, and because test workman's quality difference causes test to be difficult to reach uniform test request, makes valve body have quality problems.Existing valve body leakage testing system needs the staff that each valve of tester table is carried out manual operation usually simultaneously, and every test data is carried out manual record, when causing affecting work efficiency, can not guarantee again the accuracy of testing.
The utility model content
The purpose of this utility model is to overcome above-mentioned deficiency of the prior art, provides a kind of high efficiency and accuracy good valve body leakage testing system.
The purpose of this utility model is achieved through the following technical solutions:
A kind of valve body leakage testing system, comprise source of the gas, Programmable Logic Controller PLC, industrial computer and
Be used for when flow rate test, making pressure to remain on pressure controller in certain pressure limit;
The flowmeter that is used for the flow of measurement valve body workpiece;
Be used for induction by the pressure of valve body workpiece and convert the pressure transducer that signal exports Programmable Logic Controller PLC to;
The cylinder that is used for fixing and shutoff valve body workpiece;
Be used for to receive Programmable Logic Controller PLC testing result signal, with reaction valve body workpiece test result qualified indicating device whether;
Wherein, described source of the gas is divided into two-way, one the tunnel connects a solenoid valve successively with after pressure controller and flowmeter are connected, the solenoid valve other end links to each other with the valve body workpiece, another road links to each other with cylinder, and described Programmable Logic Controller PLC is connected with industrial computer, pressure controller, flowmeter, pressure transducer, solenoid valve, indicating device and cylinder respectively.
As of the present utility model a kind of preferred, described source of the gas also is connected with for filtering pressurized air, the impurity in the pressurized air is filtered and the filtration pressure regulator valve of stable bleed pressure, and described filtration pressure regulator valve is connected with Programmable Logic Controller PLC.
As of the present utility model a kind of preferred, between described pressure controller and solenoid valve, be provided with precise pressure regulating valve, degree of regulation is higher.
Preferably, described flow is counted mass-flow gas meter.
As a kind of improvement of the present utility model, described valve body leakage testing system also comprises the two-dimensional bar code that is provided with for gathering the valve body workpiece, and is kept at the intelligent camera system on the database of industrial computer, and described intelligent camera system is connected with industrial computer.Test data is kept on the local industrial computer, can checks easily and review.
The utility model has the following advantages and beneficial effect compared to existing technology:
1, the utility model adopts Programmable Logic Controller PLC control related electric components and parts automatically to finish valve body leak-testing, high efficiency; Adopt simultaneously pressure controller to make bleed pressure be adjusted to suitable test pressure, the test data accuracy is good.
2, the valve body leakage testing system also is provided with the two-dimensional bar code that is provided with for gathering the valve body workpiece, and is kept at the intelligent camera system on the database of industrial computer, and every test data is carried out automatic record, and testing efficiency is high.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with embodiment and accompanying drawing the utility model is described in further detail, but embodiment of the present utility model is not limited to this.
Embodiment
As shown in Figure 1, the present embodiment provides a kind of valve body leakage testing system, comprise source of the gas 1, Programmable Logic Controller PLC2, industrial computer 3 and
Be used for when flow rate test, making pressure to remain on pressure controller 4 in certain pressure limit;
The flowmeter 5 that is used for the flow of measurement valve body workpiece 10;
Be used for induction by the pressure of valve body workpiece 10 and convert the pressure transducer 9 that signal exports Programmable Logic Controller PLC to;
The cylinder 6 that is used for fixing and shutoff valve body workpiece;
Be used for to receive Programmable Logic Controller PLC testing result signal, with reaction valve body workpiece test result qualified indicating device 7 whether;
Wherein, described source of the gas 1 is divided into two-way, one the tunnel connects a solenoid valve 8 successively with after pressure controller 4 and flowmeter 5 are connected, solenoid valve 8 other ends link to each other with valve body workpiece 10, another road links to each other with cylinder, and described Programmable Logic Controller PLC2 is connected with industrial computer 3, pressure controller 4, flowmeter 5, pressure transducer 9, solenoid valve 8, indicating device 7 and cylinder 6 respectively.
As of the present utility model a kind of preferred, described source of the gas 1 also is connected with for filtering pressurized air, the impurity in the pressurized air is filtered and the filtration pressure regulator valve 10 of stable bleed pressure, and described filtration pressure regulator valve 11 is connected with Programmable Logic Controller PLC2.
As of the present utility model a kind of preferred, between described pressure controller 4 and solenoid valve 8, be provided with precise pressure regulating valve 12, degree of regulation is higher.
Described flowmeter 5 is mass-flow gas meter.Equipment adopts the ALICAT mass-flow gas meter, and this flowmeter is to utilize two to study thorough gas physical attribute: pressure and viscosity are come measuring flow.Differential pressure measurement by the stratiform flow cell comes calculated flow rate, and this metering system has intrinsic linearity.Adopt differential pressure, absolute pressure and temperature sensor to measure and compensate pressure, the temperature of gas, the volumetric flow rate of gas under the measurement standard state.
As a kind of improvement of the present utility model, described valve body leakage testing system also comprises the two-dimensional bar code that is provided with for gathering the valve body workpiece, and is kept at the intelligent camera system 13 on the database of industrial computer 3, and described intelligent camera system 13 is connected with industrial computer 3.Test data is kept on the local industrial computer, can checks easily and review.
Principle of work of the present utility model is as follows:
1), starts test macro;
2), valve body workpiece 10 is installed on the test fixture plate, one road tracheae of source of the gas 1 is connected by cylinder 6 and working plate, the valve body workpiece is fixed and the valve body workpiece 10 that will have two above gas outlets packs tightly shutoff;
3), be arranged to the test of valve body single-piece at the artificial interface of industrial computer 3, after industrial computer 3 and the Programmable Logic Controller PLC2 communication, Programmable Logic Controller PLC2 inside just obtains valve body single-piece test signal, exports one road electric signal to filtering pressure regulator valve 10;
4), filter pressure regulator valve 10 and obtain turning circuit behind the electric signal, the particulate in the pressurized air, aqueous vapor, mist of oil etc. are carried out to a certain degree filtration, to prolong the serviceable life of each components and parts in the gas circuit; Simultaneously bleed pressure is reduced to a suitable value, stablizes bleed pressure;
5), simultaneously Programmable Logic Controller PLC2 exports one road electric signal to pressure controller 4 and precise pressure regulating valve 11, both with gas regulation to suitable test pressure;
6), when test pressure acts on the valve body workpiece 10 of test, the flowmeter 5 real-time numerical value with measuring send Programmable Logic Controller PLC2 to;
7), set the test specification atmospheric pressure value and store the first home address of Programmable Logic Controller PLC2 in the man-machine interface of industrial computer 3;
When the numerical value that 8), obtains from flowmeter 5 as Programmable Logic Controller PLC2 is consistent with the value of the first home address, just send electric signal to solenoid valve 8, solenoid valve 8 cuts out gas circuit, reads simultaneously the value of flowmeter 5 transmission as the benchmark atmospheric pressure value, and stores the second home address into;
9), after gas circuit closes, in the valve body workpiece 10 gas circuit form sealing state, namely atmospheric pressure value no longer changes;
10), the man-machine interface of industrial computer 3 is set a dwell time and is stored the 3rd home address of Programmable Logic Controller PLC2 into;
11), the man-machine interface of industrial computer 3 is set one and is allowed leakage value, and stores the 4th home address of Programmable Logic Controller PLC2 into;
12), Programmable Logic Controller PLC2 when stopping to solenoid valve 8 output electrical signals, read the signal value of pressure transducer 9 feedback, and store the 5th home address into, begin simultaneously timing;
13), Programmable Logic Controller PLC2 read the atmospheric pressure value of pressure transducer 9 feedbacks in per 0.5 second in timing course, and with the numerical value (benchmark atmospheric pressure value) of the second home address compare;
14), in timing course, compare the air pressure difference that draws with atmospheric pressure value relatively during more than or equal to the value of the 4th home address when the benchmark atmospheric pressure value, Programmable Logic Controller PLC2 just exports defective electric signal to indicating device 7, and indicating device 7 is revealed red led and warning lamp;
14), compare the air pressure difference that draws with atmospheric pressure value relatively during less than the value of the 4th home address when the benchmark atmospheric pressure value in timing course, Programmable Logic Controller PLC2 just exports qualified electric signal to indicating device 7, and indicating device 7 is revealed green pilot lamp;
15) if product test is qualified, then start 13 pairs of valve body workpiece of intelligent camera system 10 and carry out two-dimension code scanning, scanning information is kept on the database of industrial computer 3 through transmission.
Above-described embodiment is the better embodiment of the utility model; but embodiment of the present utility model is not restricted to the described embodiments; other any do not deviate from change, the modification done under Spirit Essence of the present utility model and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within the protection domain of the present utility model.
Claims (5)
1. valve body leakage testing system is characterized in that: comprise source of the gas, Programmable Logic Controller PLC, industrial computer and
Be used for when flow rate test, making pressure to remain on pressure controller in certain pressure limit;
The flowmeter that is used for the flow of measurement valve body workpiece;
Be used for induction by the pressure of valve body workpiece and convert the pressure transducer that signal exports Programmable Logic Controller PLC to;
The cylinder that is used for fixing and shutoff valve body workpiece;
Be used for to receive Programmable Logic Controller PLC testing result signal, with reaction valve body workpiece test result qualified indicating device whether;
Wherein, described source of the gas is divided into two-way, one the tunnel connects a solenoid valve successively with after pressure controller and flowmeter are connected, the solenoid valve other end links to each other with the valve body workpiece, another road links to each other with cylinder, and described Programmable Logic Controller PLC is connected with industrial computer, pressure controller, flowmeter, pressure transducer, solenoid valve, indicating device and cylinder respectively.
2. described valve body leakage testing system according to claim 1, it is characterized in that: described source of the gas also is connected with for filtering pressurized air, impurity in the pressurized air filtered and the filtration pressure regulator valve of stable bleed pressure, described filtration pressure regulator valve is connected with Programmable Logic Controller PLC.
3. described valve body leakage testing system according to claim 2 is characterized in that: be provided with precise pressure regulating valve between described pressure controller and solenoid valve.
4. each described valve body leakage testing system according to claim 1-3, it is characterized in that: described flow is counted mass-flow gas meter.
5. described valve body leakage testing system according to claim 4, it is characterized in that: described valve body leakage testing system also comprises the two-dimensional barcode information that is provided with for gathering the valve body workpiece, and two-dimensional barcode information being kept at intelligent camera system on the database of industrial computer, described intelligent camera system is connected with industrial computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320158804 CN203203770U (en) | 2013-04-01 | 2013-04-01 | Valve body leakage test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320158804 CN203203770U (en) | 2013-04-01 | 2013-04-01 | Valve body leakage test system |
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| CN203203770U true CN203203770U (en) | 2013-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320158804 Expired - Lifetime CN203203770U (en) | 2013-04-01 | 2013-04-01 | Valve body leakage test system |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103884479A (en) * | 2014-04-11 | 2014-06-25 | 慈溪市三洋电子有限公司 | Method and system for testing sealing performance of valve |
| CN103940558A (en) * | 2014-04-11 | 2014-07-23 | 慈溪市三洋电子有限公司 | Device for testing sealing performance of motor valve |
| CN105021360A (en) * | 2015-07-31 | 2015-11-04 | 苏州宏展信息科技有限公司 | Medical instrument device airtight detection control system |
| CN105157932A (en) * | 2015-07-31 | 2015-12-16 | 苏州宏展信息科技有限公司 | Device air-tightness monitoring system based on low-noise amplifier |
| CN105424354A (en) * | 2015-12-30 | 2016-03-23 | 慈溪市天行电器有限公司 | Dual-channel proportional valve automatic action performance and leak testing machine |
| CN105606318A (en) * | 2015-11-26 | 2016-05-25 | 上海市计量测试技术研究院 | Calibration method and device of airtight leak detector |
| CN105651469A (en) * | 2015-12-30 | 2016-06-08 | 慈溪市天行电器有限公司 | Automatic leakage testing method for proportional valve |
| CN106404364A (en) * | 2016-08-31 | 2017-02-15 | 重庆安木科技有限公司 | Pneumatic control valve test system |
| CN106441737A (en) * | 2016-11-30 | 2017-02-22 | 芜湖全程智能科技有限公司 | Leakage testing method for electronic parking brake |
| CN106660544A (en) * | 2014-07-21 | 2017-05-10 | 克诺尔商用车制动系统有限公司 | Method and system for identifying a leakage in a compressed-air system, in particular in a pneumatic brake system of a vehicle |
| CN107314866A (en) * | 2017-07-24 | 2017-11-03 | 江阴机械制造有限公司 | Large-sized diesel water cooling turbocharger leakage test device and its method of testing |
| CN109521015A (en) * | 2018-10-31 | 2019-03-26 | 上海沪工汽车电器有限公司 | Automobile fuse box visual identity detection system |
| CN109632322A (en) * | 2018-12-13 | 2019-04-16 | 西安航天动力研究所 | A kind of automatic testing system and test method for nozzle flow detection |
| CN112326154A (en) * | 2020-09-30 | 2021-02-05 | 洛阳鑫迪铁道电气化有限公司 | Test device and test method for rapid exhaust valve for air bag type pantograph |
-
2013
- 2013-04-01 CN CN 201320158804 patent/CN203203770U/en not_active Expired - Lifetime
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103940558A (en) * | 2014-04-11 | 2014-07-23 | 慈溪市三洋电子有限公司 | Device for testing sealing performance of motor valve |
| CN103884479A (en) * | 2014-04-11 | 2014-06-25 | 慈溪市三洋电子有限公司 | Method and system for testing sealing performance of valve |
| CN106660544A (en) * | 2014-07-21 | 2017-05-10 | 克诺尔商用车制动系统有限公司 | Method and system for identifying a leakage in a compressed-air system, in particular in a pneumatic brake system of a vehicle |
| CN106660544B (en) * | 2014-07-21 | 2020-02-14 | 克诺尔商用车制动系统有限公司 | Method and system for detecting a leak in a compressed air system, in particular in a pneumatic brake system, of a vehicle |
| CN105021360A (en) * | 2015-07-31 | 2015-11-04 | 苏州宏展信息科技有限公司 | Medical instrument device airtight detection control system |
| CN105157932A (en) * | 2015-07-31 | 2015-12-16 | 苏州宏展信息科技有限公司 | Device air-tightness monitoring system based on low-noise amplifier |
| CN105606318A (en) * | 2015-11-26 | 2016-05-25 | 上海市计量测试技术研究院 | Calibration method and device of airtight leak detector |
| CN105424354A (en) * | 2015-12-30 | 2016-03-23 | 慈溪市天行电器有限公司 | Dual-channel proportional valve automatic action performance and leak testing machine |
| CN105651469A (en) * | 2015-12-30 | 2016-06-08 | 慈溪市天行电器有限公司 | Automatic leakage testing method for proportional valve |
| CN105651469B (en) * | 2015-12-30 | 2019-02-01 | 慈溪市天行电器有限公司 | The automatic leak testing method of proportioning valve |
| CN106404364B (en) * | 2016-08-31 | 2019-04-02 | 重庆安木科技有限公司 | A kind of Pneumatic valve test macro |
| CN106404364A (en) * | 2016-08-31 | 2017-02-15 | 重庆安木科技有限公司 | Pneumatic control valve test system |
| CN106441737A (en) * | 2016-11-30 | 2017-02-22 | 芜湖全程智能科技有限公司 | Leakage testing method for electronic parking brake |
| CN107314866A (en) * | 2017-07-24 | 2017-11-03 | 江阴机械制造有限公司 | Large-sized diesel water cooling turbocharger leakage test device and its method of testing |
| CN107314866B (en) * | 2017-07-24 | 2023-04-25 | 江阴机械制造有限公司 | Large diesel water-cooling turbocharger leakage testing device and testing method thereof |
| CN109521015A (en) * | 2018-10-31 | 2019-03-26 | 上海沪工汽车电器有限公司 | Automobile fuse box visual identity detection system |
| CN109632322A (en) * | 2018-12-13 | 2019-04-16 | 西安航天动力研究所 | A kind of automatic testing system and test method for nozzle flow detection |
| CN112326154A (en) * | 2020-09-30 | 2021-02-05 | 洛阳鑫迪铁道电气化有限公司 | Test device and test method for rapid exhaust valve for air bag type pantograph |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 510000 Room 106, Building 728 Kaichuang Avenue, Huangpu District, Guangzhou City, Guangdong Province Patentee after: UPTON AUTOMATION SYSTEMS (GUANGZHOU) Co.,Ltd. Address before: 510663 West Block of G Building, Yushu Industrial Park, Science City, Luogang District, Guangzhou City, Guangdong Province Patentee before: UPTON TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130918 |