CN105334035A - One-way valve performance test system and test method - Google Patents
One-way valve performance test system and test method Download PDFInfo
- Publication number
- CN105334035A CN105334035A CN201510732202.XA CN201510732202A CN105334035A CN 105334035 A CN105334035 A CN 105334035A CN 201510732202 A CN201510732202 A CN 201510732202A CN 105334035 A CN105334035 A CN 105334035A
- Authority
- CN
- China
- Prior art keywords
- check valve
- air
- pressure
- tested
- way valve
- 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.)
- Pending
Links
- 238000010998 test method Methods 0.000 title claims abstract description 6
- 238000011056 performance test Methods 0.000 title abstract description 10
- 238000001514 detection method Methods 0.000 claims abstract description 68
- 238000012360 testing method Methods 0.000 claims abstract description 60
- 230000007246 mechanism Effects 0.000 claims abstract description 34
- 230000001105 regulatory effect Effects 0.000 claims description 14
- 238000001914 filtration Methods 0.000 claims description 12
- 230000001276 controlling effect Effects 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 14
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 description 9
- 238000009530 blood pressure measurement Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Landscapes
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Details Of Valves (AREA)
Abstract
The invention discloses a one-way valve performance test system comprising an air source, a one-way valve to be tested, an air intake adjustment unit including an air pressure adjustment mechanism arranged between the air source and the air intake end of the one-way valve to be tested, and an air exhaust detection unit including a pressure detection mechanism arranged at the air exhaust end of the one-way valve to be tested. The invention provides a one-way valve performance test system which is used as special test equipment for testing the opening pressure, missing parts assembly and opening clearance of a one-way valve, is suitable for batch test, has the advantages of low cost and high production efficiency, and can detect the performance parameters of one-way valves in batches in production, ensure the quality stability of products and the precision of products and satisfy mass production of products. Through a test method employing the one-way valve performance test system, the test result is fed back through detailed test data, the test efficiency is improved greatly, and higher production efficiency and product stability are achieved.
Description
Technical Field
The present invention relates to a check valve for use in an engine. More particularly, the present invention relates to a check valve performance test system and test method for use in the context of an engine.
Background
The unit valve has the quality problems of transverse springs, neglected loading of springs and double springs in the production process; when the check valve is applied to a tensioner and a hydraulic tappet of an engine, an opening gap is usually too small and too large in a system, so that a product assembly fails to work, and customer complaints are caused.
In the prior art, the performance test of the one-way valve can be only judged through manual perception, the one-way valve can absorb oil for detection, or the one-way valve can be tested through a hydraulic mode, but the test mode can only be selected for detection, and the detection of each product cannot be guaranteed; if the oil pressure detection mode is adopted to detect each check valve, the oil pressure detection device has the characteristics of low production efficiency, oil leakage of equipment and high equipment manufacturing cost.
Disclosure of Invention
An object of the present invention is to solve at least the above problems and/or disadvantages and to provide at least the advantages described hereinafter.
The invention also aims to provide a performance test system of the check valve, which is used as special test equipment for testing the opening pressure, the neglected loading of parts and the opening clearance of the check valve, is suitable for batch test, has low cost and high production efficiency, can realize batch detection of performance parameters of the check valve in production, ensures the stability of the quality of products, ensures the precision of the products and meets the requirement of batch production of the products.
The invention also aims to provide a test method applying the one-way valve performance test system, which feeds back a test result through specific test data, greatly improves the test efficiency and further obtains better production efficiency and product stability.
To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided a check valve performance testing system, comprising:
a gas source;
a check valve to be tested;
the air inlet adjusting unit comprises an air pressure adjusting mechanism arranged between an air source and an air inlet end of the one-way valve to be detected;
and the exhaust detection unit comprises a pressure detection mechanism arranged at the exhaust end of the check valve to be detected.
Preferably, the air source end is provided with an air compressor, and two sets of filtering devices are connected with the air compressor to remove impurities and moisture in the compressed air.
Preferably, the air source is filtered by two sets of filtering devices and then connected to the air inlet adjusting unit through an electric proportional valve.
Preferably, the air pressure adjusting mechanism is an air pressure adjusting valve, and a pressure transmitter is further arranged between the air pressure adjusting valve and the air inlet end of the check valve to be detected.
Preferably, wherein, pressure measurement mechanism is pressure sensor, pressure measurement mechanism passes through three way connection and is connected with check valve exhaust end, flow detection mechanism to be measured respectively, just pressure measurement mechanism sets up to vacuum seal.
Preferably, the flow rate detection mechanism comprises a precision regulating valve connected with a three-way joint, and a flow rate sensor connected with the precision regulating valve.
Preferably, the exhaust gas purification device further comprises a control terminal connected with the air inlet adjusting unit and the exhaust gas detecting unit respectively, and the control terminal is provided with a control switch.
Preferably, wherein, the check valve that awaits measuring sets up on test table, the last casing that is provided with of test table, the inside cavity that holds the check valve that awaits measuring that has of casing, cavity one end is through an inlet port and the regulation unit intercommunication that admits air, the other end and exhaust detecting element intercommunication, just the cavity bottom is in the inlet port side to be provided with a sealed pad with the position of the check valve contact that awaits measuring.
The object of the present invention can be further achieved by a method for testing the performance of a check valve by using a check valve performance testing system, comprising the steps of:
step one, installing a check valve to be tested in place;
step two, controlling the air inlet adjusting unit through the operation terminal, and introducing a detection gas pressure value into the check valve to be detected in an increasing mode;
and thirdly, reading the data acquired by the exhaust detection unit through the operation terminal, judging whether the check valve to be detected is qualified or not based on the read data, and acquiring related performance parameter data.
Preferably, before the first step, the gas source is compressed, filtered and dried to obtain a detection gas source; in the second step, the operation terminal controls the air inlet adjusting unit to realize that the detected gas pressure value is set to be started from 0KPa and is increased in a slope mode.
Preferably, in the third step, after the control switch is turned on, if the detected gas pressure value is lower than a preset pressure value range prestored in the control terminal and corresponding data is read by the exhaust detection unit, it is determined that the spring is not loaded in the check valve; otherwise, if the detected gas pressure value is within the preset pressure value range and corresponding data are read through the exhaust detection unit, the check valve is judged to be qualified, and if the detected gas pressure value is higher than the preset pressure value range and corresponding data are not read through the exhaust detection unit, the check valve is judged to be dead due to double springs or springs.
The invention at least comprises the following beneficial effects: firstly, because its atmospheric pressure size adjustment mechanism that sets up at the regulation element that admits air for the size of atmospheric pressure is convenient to be adjusted, and the accuracy of giving gas during atmospheric pressure detects is high, is used for the working test state of simulation product, effective control product quality.
And secondly, the pressure detection mechanism arranged on the exhaust detection unit can judge the qualified state of the check valve according to whether the pressure detection mechanism can detect the pressure value under different air inlet pressures, and simultaneously obtains corresponding performance parameters, so that the detection efficiency and the detection precision are high.
Thirdly, the setting of its test bench can realize the convenient fast switch-over of frock, realizes a plurality of detectability of different products, and detection efficiency is higher than oily detection, and the extensive popularization of being convenient for improves the manufacturing level in industry jointly.
The method for testing the performance of the check valve by using the check valve performance testing system feeds back the test result through specific test data, greatly improves the testing efficiency and further obtains better production efficiency and product stability.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic structural diagram of a test bench in a check valve performance test system according to an embodiment of the present invention;
FIG. 2 is a block diagram of the connection of a check valve performance testing system in another embodiment of the present invention;
FIG. 3 is a graph showing a test performed by the check valve performance testing system according to the present invention;
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
Fig. 1-2 show a one-way valve performance testing system implementation form according to the invention, which comprises:
a gas source 1 for providing a detection medium of a check valve;
a check valve 2 to be tested;
the air inlet adjusting unit 3 comprises an air pressure adjusting mechanism 30 arranged between an air source and an air inlet end of the check valve to be tested, is used for adjusting the pressure of air entering the check valve to be tested, starts from 0KPa at the initial stage of testing and adjusts in an increasing mode so as to ensure that the pressure is gradually increased, prevent the damage of sudden overlarge pressure on a check valve device and further accurately measure related parameters of the check valve;
and the exhaust detection unit 4 comprises a pressure detection mechanism 40 arranged at the exhaust end of the check valve to be detected, and is used for ejecting a certain gap from the spring 21 in the check valve under the action of pressure of the steel ball 20 arranged in the check valve based on certain pressure of the check valve, and then detecting the ejected pressure of the steel ball through the exhaust detection unit so as to obtain accurate detection data. By adopting the scheme, the air is used as the detection medium, the environmental pollution can not be caused, the cost is lower, meanwhile, the air inlet pressure adjusting unit is adopted to adjust the pressure entering the one-way valve, the accuracy is high, the damage to devices and people in the detection process can be prevented, in addition, the pressure detection mechanism is adopted to detect the opening pressure of the one-way valve so as to obtain accurate detection data, and the air inlet pressure detection device has the advantages of controllable cost, good implementable effect, high safety factor, environmental protection and good precision. Also, this manner is merely an illustration of a preferred example, but not limited thereto.
In another example, the air source end is provided with an air compressor 10, and two sets of filtering devices 11 connected to the air compressor for removing impurities and moisture in the compressed air, the two sets of filtering devices may be replaced by compressed air filters, one set of filtering devices is used for removing dust contained in the air, such as an activated carbon filter screen and a PM2.5 filter screen or other devices capable of filtering dust, and the other set is used for removing moisture contained in the air, and may be implemented by a plate-shaped filtering material or a dryer, so that the air entering the check valve is a clean and dry air source, thereby preventing the air from damaging the check valve and affecting the detection and measurement accuracy of a detection mechanism and the like in the system. The scheme has the advantages of good implementable effect, high reliability and good stability. Also, this manner is merely an illustration of a preferred example, but not limited thereto.
In another example, the air supply is filtered by two sets of filtering devices and then connected to the intake air regulating unit through an electric proportional valve 31. By adopting the scheme, the on-off of air entering the one-way valve is controlled through the electric appliance proportional valve, and the implementation and the control are facilitated. Also, this manner is merely an illustration of a preferred example, but not limited thereto.
In another example, the air pressure adjusting mechanism is an air pressure adjusting valve, and a pressure transmitter 32 is further disposed between the air pressure adjusting valve and the air inlet end of the check valve to be tested. The air pressure regulating valve can regulate the air pressure entering the one-way valve according to a control signal or personnel control, the air pressure regulating valve is used for accurately controlling the air pressure, the pressure transmitter is one of the pressure sensors and can display the actual air pressure value of air inlet, and the scheme has the advantages of strong operability, favorable implementation and high accuracy. Also, this manner is merely an illustration of a preferred example, but not limited thereto.
In another example, pressure measurement mechanism is pressure sensor, and pressure sensor is used for obtaining accurate pressure data, pressure measurement mechanism passes through three way connection 41 and is connected with check valve exhaust end, flow detection mechanism that awaits measuring respectively, just pressure measurement mechanism sets up to vacuum seal, and it sets up at vacuum seal at pressure measurement mechanism end, has guaranteed that gas can not leak at pressure measurement mechanism end, can all collect flow detection mechanism end to detect the gas flow of exhaust end, and then obtain the opening clearance size and the opening pressure size of check valve, have dual test, the accuracy is higher, the more comprehensive advantage of performance parameter. Wherein,
the flow rate detection mechanism includes a precision adjustment valve 42 connected to the three-way joint, and a flow rate sensor 43 connected to the precision adjustment valve. The size of the air flow is controlled through the precision regulating valve, whether the check valve which is reversely detected is opened or not is judged under what pressure, and the opening pressure directly reflects the state of the check valve, such as the neglected loading of a check valve spring, the transverse arrangement of the check valve spring, the double springs of the check valve spring and the blocking of the check valve. By combining the precision regulating valve and the flow sensor in the scheme, the flow monitoring range can be adjusted according to different application requirements so as to meet the detection of products with various performance parameters, and the precision regulating valve has the advantages of good controllability and strong adaptability. Also, this manner is merely an illustration of a preferred example, but not limited thereto.
In another example, the air conditioner further comprises a control terminal (not shown) connected to the intake air adjusting unit and the exhaust gas detecting unit, and a control switch (not shown) is disposed on the control terminal. The control terminal can be provided with a display screen (not shown), the control terminal adopting the scheme can realize that the test system is started by one key through the control switch arranged on the control terminal, and can implement the effect of receiving and displaying the detection result, and the intelligent and high-operability control system has the advantages of intelligence and strong operability. Also, this manner is merely an illustration of a preferred example, but not limited thereto.
In another example, the check valve that awaits measuring sets up on test table 5, the last casing 50 that is provided with of test table, the casing is inside to have a cavity 51 that holds the check valve that awaits measuring, cavity one end is through an inlet port 52 and the regulating unit intercommunication that admits air, the other end and exhaust detecting element intercommunication, just the cavity bottom is in the inlet port side to be provided with a sealed pad 53 with the position of the check valve contact that awaits measuring. Adopt this kind of scheme to fix the check valve for it only needs to set up different frocks when detecting the check valve of different models, just can adapt to different detection needs, need not to change or add other test system, has the effect that the practicality is good, and sealed effect of filling up lies in sealing check valve and the external world to await measuring, prevents to detect that gas from revealing, has and can implement effectually, and accommodation is big's advantage. The test workbench can be used for testing the characteristics of batch products quickly, and the product detection cost and the equipment investment cost are reduced. Different types of products only need to be manufactured with different testing tools and set with different parameters to achieve the purpose of detecting and controlling the product quality, further improve the product quality level and ensure that the factory rate of the products reaches 100 percent qualification. Meanwhile, the tool is convenient and fast to switch, multiple detection performances of different products are realized, the detection efficiency is higher than that of oil detection, and the mode is only an explanation of a better example, but not limited to the mode.
The object of the present invention can be further achieved by a method for testing the performance of a check valve by using a check valve performance testing system, comprising the steps of:
step one, installing a check valve to be tested in place;
step two, controlling the air inlet adjusting unit through the operation terminal, and introducing a detection gas pressure value into the check valve to be detected in an increasing mode;
and thirdly, reading the data acquired by the exhaust detection unit through the operation terminal, judging whether the check valve to be detected is qualified or not based on the read data, and acquiring related performance parameter data. And an electric appliance proportional valve is installed to switch on and off of an air source, an air pressure regulating valve regulates pressure (set according to a setting requirement), and then the air pressure regulating valve is connected with a pressure transmitter, and the air outlet end of a product is connected with a mass flowmeter to monitor the flow change of the opening part of a piston of the product. Namely the flow change size, to judge the opening pressure of the one-way valve. The specific operation mode is as follows: manually placing a workpiece on the tool, starting a control switch on the operation terminal, and enabling the workpiece to enter a test area; the check valve is disconnected (gas constantly flows into the flowmeter, namely the exhaust end is closed), the air inlet source passes through the electric appliance proportional valve (gas is increased from 0), the air inlet end pressure sensor displays the actual air inlet pressure value, after the gas passes through the product, the air outlet is connected with vacuum and is closed, the product check valve is not opened when the air pressure is lower, the air outlet pressure sensor displays 0, when the air pressure is increased to the opening pressure value of the check valve, the product check valve is opened, namely the sensing flow of the outlet flow sensor is increased instantly, therefore, the check valve is judged to be opened, and the control terminal obtains the opening pressure and the opening gap of the check valve to be detected through the pressure sensor and the flow sensor at the exhaust end. The scheme has the advantages of good implementation effect, high testing efficiency and high precision. Also, this manner is merely an illustration of a preferred example, but not limited thereto.
In another example, before the first step, the gas source is compressed, filtered and dried to obtain a detection gas source; and (2) accessing a clean air source, filtering moisture and impurities in the compressed air through two groups of filtering devices so as to enable the detection air source to meet the requirements and ensure the detection precision, and in the second step, controlling the air inlet adjusting unit by the operation terminal so as to realize that the detection air pressure value is set to start from 0KPa and increase progressively in a slope mode. The air pressure is convenient to adjust, the air pressure detection accuracy is high, the working test state of a product is simulated, and the product quality is effectively controlled; the scheme has the advantages of reliable incremental mode, good implementable effect and high detection precision. Also, this manner is merely an illustration of a preferred example, but not limited thereto.
In another example, in the third step, after the control switch is turned on, if the detected gas pressure value is lower than a preset pressure value range prestored in the control terminal and corresponding data is read by the exhaust detection unit, it is determined that the spring is not installed in the check valve, and if the corresponding data can be detected by the exhaust end at a very small gas pressure value, as shown by a line D in fig. 3, it is proved that the product is unqualified, belongs to the situation of a spring funnel, and needs to be reworked; otherwise, if the detected gas pressure value is within the predetermined pressure value range and corresponding data is read by the exhaust detection unit, the check valve is judged to be qualified, if the detected gas pressure value is within a predetermined time and the detected gas pressure is within a preset range, the product is judged to be qualified, as shown by line a in fig. 3, the detected gas pressure can be further increased to detect other performances of the product, such as maximum gas flow, maximum gap and the like, otherwise, if the detected gas pressure value is higher than the predetermined pressure value range and corresponding data is not read by the exhaust detection unit, the check valve is judged to be dead due to double springs or spring blocking, if the detected gas pressure value exceeds a predetermined time and the detected pressure value also exceeds the predetermined range, if the detected pressure end can detect a certain pressure, as shown by line B in fig. 3, the check valve is possibly double springs, rework may be classified if a little pressure is not detected, as indicated by line C in fig. 3, where spring seizure may occur. The method is adopted to judge the unqualified state of the check valve so as to be beneficial to classification and rework of the check valve in the later period, and has the advantages of good detection effect, high detection precision and good implementation effect. Also, this manner is merely an illustration of a preferred example, but not limited thereto.
The number of apparatuses and the scale of the process described herein are intended to simplify the description of the present invention. Applications, modifications and variations of the check valve performance testing system of the present invention will be apparent to those skilled in the art.
While embodiments of the invention have been disclosed above, it is not intended to be limited to the uses set forth in the specification and examples. It can be applied to various fields suitable for the present application. Additional modifications will readily occur to those skilled in the art. Therefore, the invention is not to be limited to the specific details and illustrations shown and described herein, without departing from the general concept defined by the claims and their equivalents.
Claims (10)
1. A check valve performance testing system, comprising:
a gas source;
a check valve to be tested;
the air inlet adjusting unit comprises an air pressure adjusting mechanism arranged between an air source and an air inlet end of the one-way valve to be detected;
and the exhaust detection unit comprises a pressure detection mechanism arranged at the exhaust end of the check valve to be detected.
2. The check valve performance testing system of claim 1, wherein the air source end is provided with an air compressor, and two sets of filtering devices are connected with the air compressor to remove impurities and moisture in the compressed air.
3. The check valve performance testing system of claim 2, wherein the air supply is filtered by two sets of filtering devices and then connected to the air intake regulating unit through an electric proportional valve.
4. The check valve performance testing system of claim 1, wherein the air pressure adjusting mechanism is an air pressure adjusting valve, and a pressure transmitter is further arranged between the air pressure adjusting valve and the air inlet end of the check valve to be tested.
5. The check valve performance testing system of claim 1, wherein the pressure detecting mechanism is a pressure sensor, the pressure detecting mechanism is connected to the exhaust end of the check valve to be tested and the flow detecting mechanism through a tee joint, and the pressure detecting mechanism end is configured to be vacuum-sealed, wherein,
the flow detection mechanism comprises a precision regulating valve connected with a three-way joint and a flow sensor connected with the precision regulating valve.
6. The check valve performance testing system of claim 1, further comprising a control terminal connected to the intake air adjusting unit and the exhaust gas detecting unit, respectively, wherein a control switch is disposed on the control terminal.
7. The check valve performance testing system of claim 1, wherein the check valve to be tested is disposed on a testing bench, a housing is disposed on the testing bench, the housing has a cavity therein for accommodating the check valve to be tested, one end of the cavity is communicated with the air inlet adjusting unit through an air inlet, the other end is communicated with the exhaust detecting unit, and the bottom of the cavity is at the side of the air inlet, and a sealing pad is disposed at a position where the cavity contacts the check valve to be tested.
8. A method of testing the performance of a check valve using the check valve performance testing system of any of claims 1-7, comprising the steps of:
step one, installing a check valve to be tested in place;
step two, controlling the air inlet adjusting unit through the operation terminal, and introducing a detection gas pressure value into the check valve to be detected in an increasing mode;
and thirdly, reading the data acquired by the exhaust detection unit through the operation terminal, judging whether the check valve to be detected is qualified or not based on the read data, and acquiring related performance parameter data.
9. The testing method of the performance testing system of the check valve according to claim 8, characterized in that before the first step, the air source is compressed, filtered and dried to obtain the testing air source; in the second step, the operation terminal controls the intake air adjusting unit to set the detected gas pressure value to start from 0KPa and increment in a slope manner.
10. The testing method of the one-way valve performance testing system according to claim 8, wherein in the third step, after the control switch is turned on, if the detected gas pressure value is lower than a predetermined pressure value range prestored in the control terminal and corresponding data is read through the exhaust detection unit, it is determined that the spring is not loaded in the one-way valve; otherwise, if the detected gas pressure value is within the preset pressure value range and corresponding data are read through the exhaust detection unit, the check valve is judged to be qualified, and if the detected gas pressure value is higher than the preset pressure value range and corresponding data are not read through the exhaust detection unit, the check valve is judged to be dead due to double springs or springs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510732202.XA CN105334035A (en) | 2015-11-02 | 2015-11-02 | One-way valve performance test system and test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510732202.XA CN105334035A (en) | 2015-11-02 | 2015-11-02 | One-way valve performance test system and test method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105334035A true CN105334035A (en) | 2016-02-17 |
Family
ID=55284687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510732202.XA Pending CN105334035A (en) | 2015-11-02 | 2015-11-02 | One-way valve performance test system and test method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105334035A (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106197977A (en) * | 2016-07-06 | 2016-12-07 | 公安部天津消防研究所 | Gas extinguishing system high pressure, large-flow check valve action test device and method |
| CN106640618A (en) * | 2016-11-25 | 2017-05-10 | 中国科学院上海技术物理研究所 | Device for independently assessing performance of linear oscillation compressor and assessment method |
| CN107328946A (en) * | 2017-08-18 | 2017-11-07 | 安图实验仪器(郑州)有限公司 | Fluid injection non-return valve retarded capability detecting system |
| CN107727329A (en) * | 2017-09-08 | 2018-02-23 | 南京沪江复合材料股份有限公司 | A kind of packaging bag one-way exhaust valve method of testing and tester |
| CN110398353A (en) * | 2019-06-20 | 2019-11-01 | 平湖康弗莱尔汽车发动机系统有限公司 | The combined test stand of vehicle turbine breather cheek valve |
| CN110632430A (en) * | 2019-10-17 | 2019-12-31 | 潍柴西港新能源动力有限公司 | Test system and test method for simulating anti-backfire capability of throttle valve |
| CN111649933A (en) * | 2020-06-11 | 2020-09-11 | 宁波世纪恒祥自控技术有限公司 | Universal calibration system and calibration method for slide valve |
| CN111982173A (en) * | 2020-08-27 | 2020-11-24 | 西安苏试广博环境可靠性实验室有限公司 | Novel low-air-pressure stepping service life detection method and system |
| CN112665847A (en) * | 2020-12-16 | 2021-04-16 | 武汉航空仪表有限责任公司 | System and method for detecting performance of pressure regulating valve |
| CN112729799A (en) * | 2020-12-28 | 2021-04-30 | 联合汽车电子有限公司 | System and method for detecting assembly quality of oil storage barrel and one-way valve in fuel pump assembly |
| CN112985801A (en) * | 2021-02-22 | 2021-06-18 | 一汽解放汽车有限公司 | System and method for testing opening pressure and sealing performance of check valve of fuel pump |
| CN114252255A (en) * | 2021-11-24 | 2022-03-29 | 沈阳航天新光集团有限公司 | Integrated valve comprehensive test system and test method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4307283A1 (en) * | 1993-03-08 | 1994-09-15 | Messmann Josef Fa | Device for testing porous tubes or the like for tightness, and method therefor |
| JP2001165812A (en) * | 1999-12-13 | 2001-06-22 | Hitachi Ltd | Safety valve test method and safety valve test apparatus |
| CN2676170Y (en) * | 2003-05-09 | 2005-02-02 | 浙江三花股份有限公司 | Integrated test system for one-way valve |
| CN1908609A (en) * | 2006-08-23 | 2007-02-07 | 中国第一汽车集团公司 | Dry testing method for pressure limiting valve opening pressure |
| CN201955208U (en) * | 2010-12-24 | 2011-08-31 | 宁波圣龙汽车动力系统股份有限公司 | Oil pump pressure-limiting valve starting pressure testboard |
| CN203405320U (en) * | 2013-06-09 | 2014-01-22 | 浙江天能电池(江苏)有限公司 | Automatic installing and clamping device for detecting open and close valve of storage battery |
| CN104776985A (en) * | 2014-01-15 | 2015-07-15 | 上海理工大学 | One-way valve property testing device |
| CN205262717U (en) * | 2015-11-02 | 2016-05-25 | 绵阳富临精工机械股份有限公司 | Check valve capability test system |
-
2015
- 2015-11-02 CN CN201510732202.XA patent/CN105334035A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4307283A1 (en) * | 1993-03-08 | 1994-09-15 | Messmann Josef Fa | Device for testing porous tubes or the like for tightness, and method therefor |
| JP2001165812A (en) * | 1999-12-13 | 2001-06-22 | Hitachi Ltd | Safety valve test method and safety valve test apparatus |
| CN2676170Y (en) * | 2003-05-09 | 2005-02-02 | 浙江三花股份有限公司 | Integrated test system for one-way valve |
| CN1908609A (en) * | 2006-08-23 | 2007-02-07 | 中国第一汽车集团公司 | Dry testing method for pressure limiting valve opening pressure |
| CN201955208U (en) * | 2010-12-24 | 2011-08-31 | 宁波圣龙汽车动力系统股份有限公司 | Oil pump pressure-limiting valve starting pressure testboard |
| CN203405320U (en) * | 2013-06-09 | 2014-01-22 | 浙江天能电池(江苏)有限公司 | Automatic installing and clamping device for detecting open and close valve of storage battery |
| CN104776985A (en) * | 2014-01-15 | 2015-07-15 | 上海理工大学 | One-way valve property testing device |
| CN205262717U (en) * | 2015-11-02 | 2016-05-25 | 绵阳富临精工机械股份有限公司 | Check valve capability test system |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106197977B (en) * | 2016-07-06 | 2018-07-13 | 公安部天津消防研究所 | Gas extinguishing system high pressure, large-flow check valve action test device and method |
| CN106197977A (en) * | 2016-07-06 | 2016-12-07 | 公安部天津消防研究所 | Gas extinguishing system high pressure, large-flow check valve action test device and method |
| CN106640618A (en) * | 2016-11-25 | 2017-05-10 | 中国科学院上海技术物理研究所 | Device for independently assessing performance of linear oscillation compressor and assessment method |
| CN107328946A (en) * | 2017-08-18 | 2017-11-07 | 安图实验仪器(郑州)有限公司 | Fluid injection non-return valve retarded capability detecting system |
| CN107727329B (en) * | 2017-09-08 | 2024-01-26 | 南京沪江复合材料股份有限公司 | Method and instrument for testing one-way exhaust valve for packaging bag |
| CN107727329A (en) * | 2017-09-08 | 2018-02-23 | 南京沪江复合材料股份有限公司 | A kind of packaging bag one-way exhaust valve method of testing and tester |
| CN110398353A (en) * | 2019-06-20 | 2019-11-01 | 平湖康弗莱尔汽车发动机系统有限公司 | The combined test stand of vehicle turbine breather cheek valve |
| CN110632430A (en) * | 2019-10-17 | 2019-12-31 | 潍柴西港新能源动力有限公司 | Test system and test method for simulating anti-backfire capability of throttle valve |
| CN111649933A (en) * | 2020-06-11 | 2020-09-11 | 宁波世纪恒祥自控技术有限公司 | Universal calibration system and calibration method for slide valve |
| CN111982173A (en) * | 2020-08-27 | 2020-11-24 | 西安苏试广博环境可靠性实验室有限公司 | Novel low-air-pressure stepping service life detection method and system |
| CN112665847A (en) * | 2020-12-16 | 2021-04-16 | 武汉航空仪表有限责任公司 | System and method for detecting performance of pressure regulating valve |
| CN112729799A (en) * | 2020-12-28 | 2021-04-30 | 联合汽车电子有限公司 | System and method for detecting assembly quality of oil storage barrel and one-way valve in fuel pump assembly |
| CN112985801A (en) * | 2021-02-22 | 2021-06-18 | 一汽解放汽车有限公司 | System and method for testing opening pressure and sealing performance of check valve of fuel pump |
| CN114252255A (en) * | 2021-11-24 | 2022-03-29 | 沈阳航天新光集团有限公司 | Integrated valve comprehensive test system and test method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105334035A (en) | One-way valve performance test system and test method | |
| CN205262717U (en) | Check valve capability test system | |
| KR102227642B1 (en) | Smart valve | |
| CN103868666A (en) | Exhaust manifold gas detection machine and detection method thereof | |
| CN103698131B (en) | A kind of engine accessory power rating load simulation system | |
| CN205102992U (en) | Engine water pipe gas tightness dry -type check out test set | |
| CN100585359C (en) | Gas pressure regulator test device | |
| CN101191754A (en) | Checking apparatus for checking product sealing performance and checking method | |
| CN104215290B (en) | Differential pressure type volume measurement method | |
| CN105841943A (en) | Durability test device for multifunctional pressure regulation valve | |
| CN104865026A (en) | Polyethylene valve sealing performance room temperature low pressure test method | |
| CN112461535A (en) | Equipment for detecting ultra-underpressure self-closing performance of pipeline gas self-closing valve | |
| CN206002268U (en) | Cylinder seal testing equipment | |
| CN202018498U (en) | Air-pressure switch-detection testing device | |
| CN103123301A (en) | Multifunctional valve dynamic detection device | |
| CN201497624U (en) | Engine exhaust manifold leakage tester | |
| CN110553805A (en) | composite dryer backflow time and regeneration volume testing system and method | |
| KR20000051097A (en) | Air filter testing device | |
| CN210426908U (en) | Composite dryer backflow time and regeneration volume testing system | |
| CN211318673U (en) | Pressure switch complete detection table | |
| CN111237291B (en) | Performance test stand for phosphate oil hydraulic oil tank | |
| CN204085808U (en) | A kind of air-tightness detection device | |
| CN108760257A (en) | A kind of air testing method of OCV valves | |
| CN204188355U (en) | For the Leakage Test device of flange assembly | |
| CN111256914A (en) | Engine oil duct water channel leakage test device and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160217 |
|
| RJ01 | Rejection of invention patent application after publication |