CN103958956A - Portable gas pressure testing device and testing method using same - Google Patents
Portable gas pressure testing device and testing method using same Download PDFInfo
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- CN103958956A CN103958956A CN201280001842.8A CN201280001842A CN103958956A CN 103958956 A CN103958956 A CN 103958956A CN 201280001842 A CN201280001842 A CN 201280001842A CN 103958956 A CN103958956 A CN 103958956A
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- pressure
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- testing fixture
- measuring object
- pneumatics
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/18—Arrangements for supervising or controlling working operations for measuring the quantity of conveyed product
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L7/00—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2265/00—Effects achieved by gas storage or gas handling
- F17C2265/06—Fluid distribution
- F17C2265/068—Distribution pipeline networks
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2270/00—Applications
- F17C2270/05—Applications for industrial use
- F17C2270/0563—Pneumatic applications
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The present invention relates to a gas pressure testing device and a testing method using same, and more particularly to a portable gas pressure testing device and a testing method using same, which make it possible to confirm directly on-site whether the pressure in the piping for supplying city gas is maintained at a preset reference value or whether the function of a regulator for raising or lowering the pressure is being performed normally.
Description
Technical field
Portable gas pressure testing fixture and utilize the inspection method of this device, relates in particular to the inspection method whether pressure in the pipeline that can confirm rapidly to supply at the scene gas maintains boosting of standard pressure or pressure governor or the whether normal portable gas pressure testing fixture of decompression work and utilize this device.
Background technique
Generally speaking, gas is to use by pipeline supply to each family in city or building, need remain that certain pressure is for Consumer.
, utilize after pressure governor reduces pressure to change to suitable pressure to the gas of high pressure or middle pressure for this reason, supply it according to the pressure that user is required.
As mentioned above, by pipeline with high pressure or middle pressure, low pressure by city gas supply the process to end user, need within the pressure range presetting, carry out, and, in this process, need accurately measure boosting or decompression state of being undertaken by pressure governor with pressure meter.
But, for confirming the gaseous-pressure testing fixture of operation whether prior art of above-mentioned pressure governor, not for scene, but for the main equipment of laboratory or safety valve manufacturing company, be difficult to be portably used by inspector, whether can not be used for confirming at the scene the normal operation of pressure governor.
Therefore with the normal operation of confirming pressure governor whether, in the prior art, on pressure governor, connecting independent manual pressure device increases or reduces the pressure in pressure governor.But such test mode is after closed pouch contains the certain area of pressure governor, to inject air and boost to certain pressure to pressure governor is inner, the normal operation of confirming pressure governor with this is whether.Therefore,, after completing inspection, need discharge the air that injects above-mentioned pressure governor completely, thereby not only bother but also need to expend the very long activity duration.Meanwhile, because the part air residual injecting in pressure governor mixes with gas and is supplied to user in pipeline, thereby reduce the quality of gas.
Summary of the invention
The object of the invention is to overcome the deficiency of prior art and provide pressure in a kind of pipeline that can confirm rapidly to supply at the scene gas whether to maintain default standard pressure or for the pressure in conduit being maintained to the boosting or the whether normal portable gas pressure testing fixture of decompression work and utilize the inspection method of this device of pressure governor of default standard pressure.
Another object of the present invention is to provide a kind of conduct for checking the normal operation whether fluid of pressure governor, after the combustion gas that is supplied to pressure governor side being flowed into supply port one side and being adjusted to required pressure, supply, thus the inspection method of discharging the portable gas pressure testing fixture of operations and utilizing this device without other.
For achieving the above object, portable gas pressure testing fixture of the present invention, comprises: main body, possesses display unit and operation unit and possess pressure measurement mouth and pneumatics discharge opening in a side above; Pressure transducer, is built in aforementioned body and is connected to detect the pressure of measuring object with above-mentioned pressure measurement mouth; Supply port, possesses in a side of aforementioned body and by connecting tube and is connected with above-mentioned pneumatics discharge opening, so that the high-pressure gas flowing into from outside is supplied to above-mentioned measuring object one side by above-mentioned pneumatics discharge opening; Modulating valve, possesses in above-mentioned connecting tube to regulate the pressure of the combustion gas that is supplied to above-mentioned pneumatics discharge opening one side; And control device, control the driving of above-mentioned display unit, operation unit and modulating valve.
Preferably, on above-mentioned connecting tube, also possesses the compression pump that the combustion gas to flowing into by above-mentioned supply port is pressurizeed.
Preferably, in aforementioned body, also possess to the power suppling part of above-mentioned control device supply power supply.
Preferably, aforesaid operations portion comprises the mode button of selecting to be supplied to by above-mentioned pneumatics discharge opening the pressure of measuring object.
In addition, the pressure governor inspection method of utilizing portable gas pressure testing fixture of the present invention, utilizing the inspection of portable gas pressure testing fixture to be installed in the normal operation whether method of the measuring object in certain interval, comprise: closed step, operation setting in the first valve of above-mentioned measuring object front and back ends and the second valve with the above-mentioned interval of closure; Discharge step, the combustion gas between above-mentioned closed area is expelled to outside; Connection Step, connects above-mentioned pneumatics discharge opening and measuring object by the first flexible pipe; And pressurization steps, the high-pressure gas flowing into by above-mentioned supply port is flowed into above-mentioned measuring object one side, more than the pressure between above-mentioned closed area is increased to default standard pressure.
Preferably, in above-mentioned pressurization steps, be connected in above-mentioned supply port by one end, the other end is connected in the second flexible pipe of the forward end pipeline of above-mentioned the first valve, makes to flow into pressure governor one side by the high-pressure gas of above-mentioned Flows by above-mentioned supply port.
Preferably, also comprise the step of boosting that the combustion gas flowing into by above-mentioned supply port is boosted to certain pressure.
Preferably, the above-mentioned step of boosting is boosted by possessing in the compression pump of above-mentioned connecting tube.
According to the present invention, by inflow entrance, supply combustion gas is flowed into testing fixture one side, to realize increase or the minimizing of pressure, thereby can confirm rapidly to supply at the scene, whether pressure in the pipeline of gas maintains boosting of standard pressure or pressure governor or whether decompression work is normal.
In addition, in the present invention, utilize identical supply combustion gas as pressurization accommodating fluid, therefore, Inspection is easy, and, can maintain the quality of the gas that is supplied to end user.
Brief description of the drawings
Fig. 1 is portable gas pressure testing fixture External view of the present invention;
Fig. 2 is the cut-away view of Fig. 1;
Fig. 3 utilizes the inspection method of the testing fixture of Fig. 1 to use phase diagram.
Embodiment
Below, by reference to the accompanying drawings preferred embodiment of the present invention is elaborated.
In following content, in the reference character of giving for ease of explanation, for identical structure, even in different figure, also give identical reference character.
The portable gas pressure testing fixture 100 of preferred embodiment of the present invention, it is characterized in that: can make worker be connected at the scene the measuring object such as pipeline or pressure governor 10 for fuel gas flow, to confirm as the pipeline of above-mentioned measuring object or the pressure of pressure governor 10 inside, or to the combustion gas of the pipeline as above-mentioned measuring object or pressure governor 10 1 sides supply high pressure, to check as the pipeline of above-mentioned measuring object or the internal pressure of pressure governor 10 whether maintain the standard pressure setting in advance.
Portable gas pressure testing fixture 100 of the present invention comprises main body 110, pressure transducer 120, supply port 113, modulating valve 130 and control device 140.
As shown in Figures 1 and 2, aforementioned body 110 forms monnolithic case, and built-in above-mentioned pressure transducer 120, modulating valve 130 and control device 140 therein.Aforementioned body 110 respectively possesses the pressure measurement mouth 111 and the pneumatics discharge opening 112 that connect in above-mentioned measuring object in a side.
Above-mentioned pressure measurement mouth 111 is for measuring the internal pressure of above-mentioned measuring object, and is connected with the pressure transducer 120 possessing in main body 110 inside.Therefore, utilize above-mentioned pressure transducer 120 to measure the pressure of the combustion gas flowing into from measuring object by above-mentioned pressure measurement mouth 111, and utilize the measured value that pressure transducer 120 is measured to export the display unit 116 possessing before main body 110 to by above-mentioned control device 140, thereby make worker confirm that easily whether the internal pressure of measuring object is normal.
At this, above-mentioned pressure transducer 120 is arranged at aforementioned body 110 inside with after measuring the pressure of the combustion gas flowing into by above-mentioned pressure measurement mouth 111, is transformed to electrical signal and transmits measured value to control device 140 1 sides.In addition, above-mentioned pneumatics discharge opening 112, for to above-mentioned measuring object one side supply high-pressure gas, is connected with above-mentioned supply port 113 by the connecting tube 114 that is arranged at aforementioned body 110 inside.Therefore, the high-pressure gas flowing into by above-mentioned supply port 113 flows into measuring object one side by pneumatics discharge opening 112, and with the pressure of the measuring object inside of pressurizeing, thereby whether check measurement object changes normal operation according to pressure.
Now, above-mentioned pneumatics discharge opening 112 and pressure measurement mouth 111 interconnect by the T font branch pipe 115 that possesses a connection mouth 115a, thereby without respectively connecting above-mentioned pneumatics discharge opening 112 and pressure measurement mouth 111 to measuring object, and only a connection mouth 115a need be connected in to measuring object, the internal pressure that simultaneously completes check measurement object is measured and pressurization inspection.Now, can possess and can make the manually operated independent open and close valve of worker (not shown) in above-mentioned pneumatics discharge opening 112 1 sides, to select the inflow/outflow to the combustion gas of above-mentioned pneumatics discharge opening 112 1 sides, control the switching of above-mentioned modulating valve 130 and complete but also can make to possess modulating valve 130 on above-mentioned connecting tube 114.; in the time only needing to confirm the internal pressure of measuring object; make the closed connecting tube 114 of modulating valve 130 by above-mentioned control device 140; thereby blocking-up is from the 112 1 side inflow combustion gas of pneumatics discharge opening; and in the time that needs confirm that the normal operation that changes according to pressure whether; by the open modulating valve 130 of control device 140, flow out thereby make high-pressure gas pass through above-mentioned pneumatics discharge opening 112.
Above-mentioned supply port 113 is for whether time, obtaining being supplied to by above-mentioned pneumatics discharge opening 112 high-pressure gas of measuring object one side in the normal operation of confirming to change according to pressure from outside supply.Above-mentioned supply button 113 is connected with above-mentioned pneumatics discharge opening 112 by connecting tube 114, the pressurized gas that flow into from outside are passed to above-mentioned pneumatics discharge opening 112 1 sides.In addition, above-mentioned supply port 113, in a side-prominent formation of main body 110, connects for the flexible pipe that transmits high-pressure gas from high-pressure gas supply source.At this, above-mentioned gas supply source can be the gas storage groove with certain pressure compression storage high-pressure gas, but also can be from installing and measuring the device of object or obtaining with the mobile pipeline of the pressure higher than measuring object internal pressure system.
One example is, as shown in Figure 3, than the pipeline P2 that pressure governor 10 is set, in the pipeline P1 that is connected in forward end, the combustion gas of the pressure relatively higher than the internal pressure of above-mentioned pressure governor 10 that flowing.Therefore, in the present invention, in the time completing Inspection, utilize pipeline P1 and the supply port 113 of the fuel gas flow of flexible pipe connection relatively high force, to obtain high-pressure gas supply from above-mentioned pipeline P1, thus the easy Inspection that completes.
Above-mentioned modulating valve 130, for after the high-pressure gas flowing into by above-mentioned supply port 113 being adjusted to the required pressure of inspection, is discharged by above-mentioned pneumatics discharge opening 112, and is possessed on above-mentioned connecting tube 114.Above-mentioned modulating valve 130 is controlled by above-mentioned control device 140, and by regulating the regulation gas flow output of above-mentioned connecting tube 114, thereby the high-pressure gas of inflow is changed to suitable pressure.At this, above-mentioned modulating valve 130 is selected the solenoid valve that can finely tune.
In addition, on above-mentioned connecting tube 114, between above-mentioned modulating valve 130 and supply port 113, also possesses compression pump 150.Above-mentioned compression pump 150 the combustion gas of supplying from above-mentioned gas supply source pressure lower than checking when required pressure, by the controlling run of above-mentioned control device 140, to improve the pressure of the combustion gas flowing into by above-mentioned supply port 113, thereby boost to pressure required while inspection.Therefore, do not utilize gas storage groove and when being arranged at the pipeline of forward end of the pipeline that possesses measuring object and obtaining gas supply, even if pressure difference is little, can boost by above-mentioned compression pump 150 yet, thereby complete Inspection.
The above-mentioned compression pump 150 of SC sigmal control and modulating valve 130 that above-mentioned control device 140 bases are exported from being formed at the operation unit 117 above of main body 110, and, make the measured value transmitting from above-mentioned pressure transducer 120 be shown in display unit 116.Above-mentioned control device 140 is built in aforementioned body 110 inside, and is made up of common circuit board.
Above-mentioned control device 140 obtains power supply and has supplied overall control action from being built in the power suppling part 160 of aforementioned body 110 inside.
At this, above-mentioned power suppling part 160 possesses in aforementioned body 110, can use common battery, dryelement cell, storage battery etc.
In addition, as shown in Figure 1, supply operation unit 117 and the display unit 116 of worker's operating instrument and confirmation input value above possessing of aforementioned body 110.
The operation of aforesaid operations portion 117 required device when making the direct input checking of operator, comprises: power knob 117a, the power supply supply of the above-mentioned power suppling part 160 of on/off; Zero point, button 117b, regulated the force value of pressure transducer 120 zero point; Operation button 117c, on/off compression pump 150; Up/down regulates button 117d, regulates the pressure of the combustion gas of discharging by above-mentioned pneumatics discharge opening 112; And mode button 117e, the pressure of the combustion gas that selection is discharged by above-mentioned pneumatics discharge opening 112.
At this, above-mentioned mode button 117e is for selecting only by the simple force value of measuring measuring object of above-mentioned testing fixture 100, or check according to the normal operation whether test mode of the measuring object of pressure variation by pressurization, whether time, can select the pressure of the combustion gas of supplying by above-mentioned pneumatics discharge opening 112 in the normal operation that checks the measuring object changing according to pressure.
The portable gas pressure testing fixture 100 of the present invention of said structure completes pressure and confirms and Inspection under the state being connected with measuring object by the first flexible pipe h1.In content below, for convenience of explanation, taking as shown in Figure 3 above-mentioned portable gas pressure testing fixture 100 is connected in to normal operation that pressure governor 10 confirms the pressure of pressure governor 10 inside and check the pressure governor 10 changing according to pressure whether as example describes.This is exemplary, except pressure governor 10, also applicable to other measuring objects such as safety valve, prevention valve that are arranged at pipeline and pressure governor pressure regulating system.In addition, suppose that in above-mentioned portable gas pressure testing fixture 100, above-mentioned pressure measurement mouth 111 and pneumatics discharge opening 112 possess the structure that the branch pipe 115 by possessing a connection mouth 115a connects.
First, illustrate and utilize above-mentioned portable gas pressure testing fixture 100 to confirm the method for pressure governor 10 internal pressures.
After worker (inspector) presses the power knob 117a supply power supply of aforesaid operations portion 117, select to confirm the pattern of pressure governor 10 internal pressures by mode button 117e.At this, in the time selecting to confirm the pattern of pressure, possess in the modulating valve 130 of above-mentioned connecting tube 114 and become closed state, thereby blocking-up flows into the combustion gas of above-mentioned pneumatics discharge opening 112 1 sides.
Afterwards, worker utilize zero point button 117b complete zero point regulate after, utilize the first flexible pipe h1 to connect a side of pressure governor 10 and the connection mouth 115a of above-mentioned branch pipe 115, combustion gas is measured mouthful 111 1 sides from pressure governor 10 feed pressures, and pressure transducer 120 records pressure and show measured measured value by above-mentioned display unit 116.The numerical value that worker is shown in display unit 116 by confirmation judges whether the internal pressure of pressure governor 10 maintains applicable standard pressure scope.
Then, illustrate and check whether above-mentioned pressure governor 10 changes the normal method of moving according to pressure.
First, worker is possessed in the first valve V1 of the forward and backward side of pressure governor 10 and the second valve V2 and is stoped and comprising pressure governor 10 have fuel gas flow in interior part power suppling part 160 by operation, and the interval P2 of pressure governor 10 is set with closure.In addition, by possessing in the ventilation duct of pressure governor 10, the combustion gas of pressure governor 10 inside is expelled to outside.Afterwards, worker presses the power knob 117a supply power supply of aforesaid operations portion 117, and by zero point button 117b complete zero point regulate after, utilize the first flexible pipe h1 to connect a side of pressure governor 10 and the connection mouth 115a of above-mentioned branch pipe 115, and utilize the second flexible pipe h2 to connect supply port 113 and be connected in the pipeline P1 of the front end of the first valve V1.Then, worker utilizes mode button 117e to select the pattern of supplying certain pressure to pneumatics discharge opening 112.Above-mentioned control device 140 is controlled to possess in the modulating valve 130 of above-mentioned connecting tube 114 and is become open state, with select pressure in above-mentioned mode button 117e by gas supply to pressure governor 10 1 sides.At this, at the pressure of the combustion gas flowing into by above-mentioned supply port 113, when checking when required pressure, worker is by above-mentioned operation button 117c driving compression pump 150, so that the combustion gas flowing into by above-mentioned supply port 113 is boosted.
Now, worker possesses the supply that regulates the combustion gas that is supplied to above-mentioned pressure governor 10 1 sides in the adjusting button 117d of operation unit 117 by operation, to boost or to reduce pressure.By above-mentioned operation, whether worker can confirm according to the operation of boosting or reduce pressure of the pressure governor 10 of pressure variety normal, and in the time of pressure governor 10 irregular operating, worker is understood above-mentioned situation and taken immediate steps at the scene by confirmation.
If the normal operation of above-mentioned pressure governor 10, removes the first flexible pipe h1 and the second flexible pipe h2 from above-mentioned pressure governor 10 and pipeline P1, to complete Inspection.This is because obtain supply for the normal operation whether fluid of confirming pressure governor 10 from the pipeline being connected with pressure governor 10, therefore, is filled in the combustion gas in pressure governor 10, and can be directly supplied to user after completing Inspection without discharge.
By reference to the accompanying drawings specific embodiment of the present invention is had been described in detail above, but the present invention does not limit above-mentioned specified structure.Above-described embodiment is only in order to illustrate that the present invention is and unrestricted, and those of ordinary skill in the art should be appreciated that and can modify, be out of shape or be equal to replacement to the present invention.And without departing from the spirit and scope of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (8)
1. a portable gas pressure testing fixture, is characterized in that, this device comprises:
Main body, possesses display unit and operation unit and possesses pressure measurement mouth and pneumatics discharge opening in a side above;
Pressure transducer, is built in described main body and is connected to detect the pressure of measuring object with described pressure measurement mouth;
Supply port, possesses in a side of described main body and by connecting tube and is connected with described pneumatics discharge opening, so that the high-pressure gas flowing into from outside is supplied to described measuring object one side by described pneumatics discharge opening;
Modulating valve, possesses in described connecting tube to regulate the pressure of the combustion gas that is supplied to described pneumatics discharge opening one side; And,
Control device, controls the driving of described display unit, operation unit and modulating valve.
2. portable gas pressure testing fixture as claimed in claim 1, is characterized in that, also possesses the compression pump that the combustion gas to flowing into by described supply port is pressurizeed on described connecting tube.
3. portable gas pressure testing fixture as claimed in claim 1, is characterized in that, also possesses to the power suppling part of described control device supply power supply in described main body.
4. portable gas pressure testing fixture as claimed in claim 1, is characterized in that: described operation unit comprises the mode button of selecting to be supplied to by described pneumatics discharge opening the pressure of measuring object.
5. one kind is utilized the pressure governor inspection method of portable gas pressure testing fixture, it is characterized in that, utilize the measuring object that in claim 1 to 4, the portable gas pressure testing fixture inspection described in any one claim is installed in certain interval normally whether to move, the method includes the steps of:
Closed step, operation setting in the first valve of described measuring object front and back ends and the second valve with the described interval of closure;
Discharge step, the combustion gas between described closed area is expelled to outside;
Connection Step, connects described pneumatics discharge opening and measuring object by the first flexible pipe; And,
Pressurization steps, flows into described measuring object one side by the high-pressure gas flowing into by described supply port, more than the pressure between described closed area is increased to default standard pressure.
6. the pressure governor inspection method of utilizing portable gas pressure testing fixture as claimed in claim 5, it is characterized in that, in described pressurization steps, be connected in described supply port by one end, the other end is connected in the second flexible pipe of the forward end pipeline of described the first valve, makes to flow into pressure governor one side by the high-pressure gas of described Flows by described supply port.
7. the pressure governor inspection method of utilizing portable gas pressure testing fixture as claimed in claim 6, is characterized in that, also comprises the step of boosting that the combustion gas flowing into by described supply port is boosted to certain pressure.
8. the pressure governor inspection method of utilizing portable gas pressure testing fixture as claimed in claim 7, is characterized in that, described in the step of boosting boost by possessing in the compression pump of described connecting tube.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020120131794A KR101449809B1 (en) | 2012-11-20 | 2012-11-20 | Portable testing device of gas pressure and method of using thereof |
| KR10-2012-0131794 | 2012-11-20 | ||
| PCT/KR2012/010171 WO2014081058A1 (en) | 2012-11-20 | 2012-11-28 | Portable gas pressure testing device and testing method using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103958956A true CN103958956A (en) | 2014-07-30 |
Family
ID=50776227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280001842.8A Pending CN103958956A (en) | 2012-11-20 | 2012-11-28 | Portable gas pressure testing device and testing method using same |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR101449809B1 (en) |
| CN (1) | CN103958956A (en) |
| WO (1) | WO2014081058A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105823943A (en) * | 2016-03-29 | 2016-08-03 | 烟台东方英达康自动化技术有限公司 | Pressure regulator panting detection device and detection method thereof |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101642704B1 (en) * | 2015-05-28 | 2016-07-28 | 대한민국 | Air Pressure Inspection Equipment for Floating Structure Unit |
| US10190298B2 (en) | 2016-10-05 | 2019-01-29 | Press-Cision Co. | Pressure testing device and related methods |
| CN110173623B (en) * | 2019-06-11 | 2024-02-13 | 北京金讯电子有限公司 | Standard gas split charging table |
| KR200493285Y1 (en) * | 2019-12-27 | 2021-03-05 | 주식회사 한국가스기술공사 | Fitting jig for calibration of press switch |
| CN111693276B (en) * | 2020-06-23 | 2022-04-01 | 四川凯德源科技有限公司 | High-efficiency pressure regulating box test method |
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| JPH11248592A (en) * | 1998-02-27 | 1999-09-17 | Osaka Gas Co Ltd | Method and device for inspecting gas piping for airtightness and leakage and pressure measuring instrument used for the device |
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| KR0116280Y1 (en) * | 1992-02-15 | 1998-04-20 | Kumsung Electron Co Ltd | Gas safty supply equipment |
| JP3069266B2 (en) * | 1995-04-07 | 2000-07-24 | 松下電器産業株式会社 | Gas safety equipment |
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2012
- 2012-11-20 KR KR1020120131794A patent/KR101449809B1/en active IP Right Grant
- 2012-11-28 CN CN201280001842.8A patent/CN103958956A/en active Pending
- 2012-11-28 WO PCT/KR2012/010171 patent/WO2014081058A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11248592A (en) * | 1998-02-27 | 1999-09-17 | Osaka Gas Co Ltd | Method and device for inspecting gas piping for airtightness and leakage and pressure measuring instrument used for the device |
| JP2005233306A (en) * | 2004-02-19 | 2005-09-02 | Osaka Gas Co Ltd | Gas shutoff bag and gas pressure monitoring system |
| CN201318551Y (en) * | 2008-12-19 | 2009-09-30 | 上海飞奥燃气设备有限公司 | Indirect acting type gas pressure regulator used for adjusting forward pressure |
| KR101163728B1 (en) * | 2011-06-03 | 2012-07-09 | 윤명섭 | Testing device of gas pressure for portable |
| CN202453138U (en) * | 2011-12-19 | 2012-09-26 | 海盐弗洛德电子科技有限公司 | Pressure detector used in gas meter detection device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105823943A (en) * | 2016-03-29 | 2016-08-03 | 烟台东方英达康自动化技术有限公司 | Pressure regulator panting detection device and detection method thereof |
| CN105823943B (en) * | 2016-03-29 | 2018-05-25 | 烟台东方英达康自动化技术有限公司 | A kind of pressure regulator panting detection device and its detection method |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20140065709A (en) | 2014-05-30 |
| KR101449809B1 (en) | 2014-10-14 |
| WO2014081058A1 (en) | 2014-05-30 |
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Application publication date: 20140730 |