CN201173841Y - Liquid petroleum gas regulator automatic test equipment - Google Patents
Liquid petroleum gas regulator automatic test equipment Download PDFInfo
- Publication number
- CN201173841Y CN201173841Y CNU2008200742374U CN200820074237U CN201173841Y CN 201173841 Y CN201173841 Y CN 201173841Y CN U2008200742374 U CNU2008200742374 U CN U2008200742374U CN 200820074237 U CN200820074237 U CN 200820074237U CN 201173841 Y CN201173841 Y CN 201173841Y
- Authority
- CN
- China
- Prior art keywords
- pressure
- pressure regulator
- regulator
- valve
- gas circuit
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Control Of Fluid Pressure (AREA)
Abstract
The utility model relates to an automatic testing device for a liquefied petroleum gas pressure regulator, which is mainly composed of a main gas circuit, an auxiliary gas circuit, an interface board and a computer. The main gas circuit tests the pressure regulator, the auxiliary gas circuit provides source gas to a gas control valve and provides positive and negative guide pressure to a flow regulator, and the computer is connected with electric components of the testing device through the interface board; the computer carries out automatic control for the testing process of the pressure regulator, and finishes automatic test for the closing pressure, the outlet pressure, the pressure regulation static characteristic and the pressure return difference of the tested pressure regulator. The automatic testing device for a liquefied petroleum gas pressure regulator has the advantages that the automatic testing device for a liquefied petroleum gas pressure regulator has full digitization display, print record functions and good human-computer interface, increases testing efficiency and testing precision, excludes man-induced factor influence, realizes the computer automatic test for the liquefied gas pressure regulator performance, and provides reliable guarantee for the safe use of the liquefied gas pressure regulator.
Description
(1) technical field
The utility model relates to the LPG (liquefied petroleum gas) pressure regulator measuring technology, particularly a kind of LPG (liquefied petroleum gas) pressure regulator automatic testing equipment.
(2) background technology
When using, liquefied petroleum gas (LPG) needs usually to use pressure regulator to regulate pressure, the pressure regulator import is connected with liquefied petroleum gas steel cylinder, top pressure can reach 1.56MPa, flexible pipe is then used in outlet, and for example kitchen range, water heater etc. are connected with burner, pressure is generally 2.80kPa, and the pressure that pressure regulator is imported and exported liquefied petroleum gas (LPG) differs greatly.Because liquefied petroleum gas (LPG) is inflammable and explosive medium, so cause leakage in case pressure regulator breaks down, very easily blasting causes fire, in addition cause casualties, serious accident such as property loss; If the top hole pressure of pressure regulator is too high, also can will endanger the healthy of people, even it be dead to poison because of fuel gas buring not exclusively produces a large amount of toxic gases such as carbon monoxide.So the quality of pressure regulator quality is the key device that guarantees the safe handling of burner operate as normal, so the test of pressure regulator product is most important.At present the household liquified petroleum gas pressure regulator proving installation that uses adopts pointer pressure head and suspended body flowmeter usually, and overall process is by carrying out manually, and the human factor influence is bigger, and low, the low precision of efficient often becomes the hidden danger of pressure regulator safe handling.
(3) utility model content
The purpose of this utility model is at the problems referred to above, a kind of testing efficiency height is provided, measuring accuracy is high and safe and reliable, have that total digitalization shows and print record function, the good LPG (liquefied petroleum gas) pressure regulator automatic testing equipment of man-machine interface.
The technical solution of the utility model:
A kind of LPG (liquefied petroleum gas) pressure regulator automatic testing equipment is characterized in that: be made of main gas circuit, auxiliary air passage, interface board and computing machine; Main gas circuit is carried out the detection of pressure regulator, source of the gas 1 in the main gas circuit, ball valve 1, solenoid valve 1, pressure governor, angle pedestal valve, tested pressure regulator, Pneumatic valve, flow regulator and flow sensor are connected in series by gas path pipe, between pressure governor and angle pedestal valve, be provided with pressure transducer 1 and be connected with main gas circuit by pipeline, between tested pressure regulator and Pneumatic valve, be provided with pressure transducer 2 and be connected with main gas circuit by pipeline, on main gas path pipe, be provided with solenoid valve 1, pressure governor, flow regulator, the electric signal of pressure transducer 2 and temperature sensor links to each other with computing machine by interface board respectively, the electric signal of pressure transducer 1 feeds back to pressure governor, and the electric signal of flow sensor feeds back to flow regulator; Auxiliary air passage provides the control source of the gas and provides positive and negative pilot for flow regulator for Pneumatic valve, source of the gas 2 in the auxiliary air passage, ball valve 2, pressure regulator valve 1, pressure regulator valve 2 and vacuum generator are connected in series by gas path pipe, solenoid valve 2 is arranged between the outlet conduit of pressure regulator valve 1 and the Pneumatic valve in the main gas circuit and by pipeline and connects, the outlet conduit of pressure regulator valve 2 is connected by pipeline with flow regulator in the main gas circuit and provides positive pilot for flow regulator, vacuum generator links to each other with flow regulator in the main gas circuit by pipeline and for it provides negative pilot, the electric signal of solenoid valve 2 links to each other with computing machine by interface board; By interface board computing machine is linked to each other with the electric device of proving installation; Computing machine is controlled automatically to the testing process of pressure regulator, and closing presure, top hole pressure, pressure regulation static characteristic and the pressure return difference finished tested pressure regulator are measured automatically.
The utility model has the advantages that: have total digitalization demonstration, print record function, man-machine interface is good, testing efficiency and measuring accuracy have been improved, got rid of the human factor influence, realized the computer automation testing of lpg regulator performance, for the safe handling of lpg regulator provides reliable assurance.
(4) description of drawings
Accompanying drawing is a LPG (liquefied petroleum gas) pressure regulator automatic testing equipment structural representation.
Among the figure: solid line is that gas circuit connects, and dotted line is that circuit connects.
(5) embodiment
Embodiment:
A kind of LPG (liquefied petroleum gas) pressure regulator automatic testing equipment, as shown in drawings: in main gas circuit, source of the gas 1 pressure is 2Mpa; Ball valve 1 is the hand switch of source of the gas 1, and selecting common working pressure for use is the high-pressure ball valve of 2MPa; Solenoid valve 1 is used for opening or closing of computer control source of the gas 1, and selecting SMC company production model for use is the product of VXH2230-02-4G-B; Pressure governor is used to regulate the intake pressure of tested pressure regulator, and the model of selecting for use Japanese FUKUDA company to produce is the product of APU 61WP-2M-2-1; Angle pedestal valve is used to connect tested pressure regulator; Pressure transducer 1 is used to detect the intake pressure of tested pressure regulator and as the feedback input of pressure governor, and the model of selecting for use Japanese COPAL company to produce is the product of PA-870-203 P-B-R2; Pressure transducer 2 is used to detect the top hole pressure of tested pressure regulator, and the model of selecting for use Guangzhou Sen Nashi company to produce is the product of DG1300-BZ-A-2-0.01/AA; Pneumatic valve is used to open or close the outlet of tested pressure regulator, and the model of selecting for use German burkert company to produce is the product of 001248P; Flow regulator is used to regulate the rate of discharge of tested pressure regulator, and the model of selecting for use Japanese FUKUDA company to produce is the product of APU-130PPF-5-0-1; Flow sensor is used to detect the rate of discharge of tested pressure regulator and as the feedback input of flow regulator, the flow sensor of being made up of FLF-200LM laminar flow pipe and VR55PT differential pressure pick-up of selecting that Japanese FUKUDA company produces for use; Temperature sensor is used to detect the gas temperature of discharge, and the model of selecting for use Tianjin Li Wen company to produce is the product of PT100.In auxiliary air passage, source of the gas 2 pressure are 0.8Mpa; Ball valve 2 is as the hand switch of source of the gas 2, and selecting common working pressure for use is the middle pressure ball valve of 0.8MPa; Pressure regulator valve 1 is used to regulate the input pressure of solenoid valve 2, generally is transferred to 0.5MPa, and the model of selecting for use SMC company to produce is the IR2000-02 pressure regulator valve; Pressure regulator valve 2 is used to regulate the input pressure of vacuum generator, generally is transferred to 0.2MPa, and the model of selecting for use SMC company to produce is the IR2000-02 pressure regulator valve; Solenoid valve 2 is used for opening or closing of computer control Pneumatic valve, and the model of selecting for use German burkert company to produce is 134162 product; Vacuum generator is for flow regulator provides negative pilot, and the model of selecting for use Japanese wonderful moral company to produce is the product of CV-15HR.The model that interface board selects for use rich beneficial (Tianjin) pneumatics research institute to produce is the product of FB8037.The model that computing machine selects for use Taiwan to grind the production of auspicious company is the product of IPC-880X.
Below introduce the applicable cases of this LPG (liquefied petroleum gas) pressure regulator automatic testing equipment.
1. the detection of tested pressure regulator closing presure
After connecting source of the gas, computing machine is opened by interface board control electromagnetic valve 1, and by interface board controlled pressure regulator, tested pressure regulator intake pressure is controlled at 1.20MPa, simultaneously by interface board Control Flow regulator, tested pressure regulator rate of discharge is controlled at arrives zero in 15 seconds gradually, close by interface board and solenoid valve 2 control Pneumatic valves then, computing machine can read the force value of pressure transducer 2 as closing presure by interface board.
2. tested pressure regulator top hole pressure (minimax) detects
After connecting source of the gas, computing machine is opened by interface board control electromagnetic valve 1, and by interface board controlled pressure regulator, tested pressure regulator intake pressure is controlled at 1.20MPa, computing machine is by interface board Control Flow regulator then, tested pressure regulator rate of discharge is controlled under 0.1 times the rated flow, this computer-chronograph promptly can read the force value of pressure transducer 2 as maximum top hole pressure by interface board; If computing machine is by interface board controlled pressure regulator, tested pressure regulator intake pressure is controlled at 0.03MPa, computing machine is by interface board Control Flow regulator then, tested pressure regulator rate of discharge is controlled under the rated flow, and this computer-chronograph promptly can read the force value of pressure transducer 2 as minimum top hole pressure by interface board.
Computing machine is by the current temperature value of interface board reading temperature sensor, by calculating the flow that tested pressure regulator rate of discharge can be scaled under the standard state.
3. the detection of tested pressure regulator pressure regulation static characteristic
After connecting source of the gas, computing machine is opened by interface board control electromagnetic valve 1, and by interface board controlled pressure regulator, tested pressure regulator intake pressure is controlled at 1.20MPa, computing machine is controlled at tested pressure regulator rate of discharge from the zero rated flow that increases to by interface board Control Flow regulator then, is reduced to zero from rated flow again, the force value that this computer-chronograph reads pressure transducer 2 by interface board is as top hole pressure, the flow of record controls simultaneously; Repeat said process, be recorded in respectively and increase and reduce each 5 top hole pressures and flow in the rate of discharge process, can draw the curve of pressure regulation static characteristic.
4. the detection of tested pressure regulator pressure return difference
In like manner, computing machine is by interface board controlled pressure regulator, tested pressure regulator intake pressure is controlled at certain value in the inlet pressure ranges of pressure regulator, then by interface board Control Flow regulator, tested pressure regulator rate of discharge is controlled at from the zero rated flow that increases to, be reduced to zero from rated flow again, this computer-chronograph reads the force value of pressure transducer 2 as top hole pressure by interface board, the flow of record controls simultaneously, record and increasing and reducing in the rate of discharge process, pairing two top hole pressure values is poor under the same flow; Repeat said process, can obtain the multiple spot records of values.
Claims (1)
1. a LPG (liquefied petroleum gas) pressure regulator automatic testing equipment is characterized in that: be made of main gas circuit, auxiliary air passage, interface board and computing machine; Main gas circuit is carried out the detection of pressure regulator, source of the gas 1 in the main gas circuit, ball valve 1, solenoid valve 1, pressure governor, angle pedestal valve, tested pressure regulator, Pneumatic valve, flow regulator and flow sensor are connected in series by gas path pipe, between pressure governor and angle pedestal valve, be provided with pressure transducer 1 and be connected with main gas circuit by pipeline, between tested pressure regulator and Pneumatic valve, be provided with pressure transducer 2 and be connected with main gas circuit by pipeline, on main gas path pipe, be provided with solenoid valve 1, pressure governor, flow regulator, the electric signal of pressure transducer 2 and temperature sensor links to each other with computing machine by interface board respectively, the electric signal of pressure transducer 1 feeds back to pressure governor, and the electric signal of flow sensor feeds back to flow regulator; Auxiliary air passage provides the control source of the gas and provides positive and negative pilot for flow regulator for Pneumatic valve, source of the gas 2 in the auxiliary air passage, ball valve 2, pressure regulator valve 1, pressure regulator valve 2 and vacuum generator are connected in series by gas path pipe, solenoid valve 2 is arranged between the outlet conduit of pressure regulator valve 1 and the Pneumatic valve in the main gas circuit and by pipeline and connects, the outlet conduit of pressure regulator valve 2 is connected by pipeline with flow regulator in the main gas circuit and provides positive pilot for flow regulator, vacuum generator links to each other with flow regulator in the main gas circuit by pipeline and for it provides negative pilot, the electric signal of solenoid valve 2 links to each other with computing machine by interface board; By interface board computing machine is linked to each other with the electric device of proving installation; Computing machine is controlled automatically to the testing process of pressure regulator, and closing presure, top hole pressure, pressure regulation static characteristic and the pressure return difference finished tested pressure regulator are measured automatically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200742374U CN201173841Y (en) | 2008-03-28 | 2008-03-28 | Liquid petroleum gas regulator automatic test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200742374U CN201173841Y (en) | 2008-03-28 | 2008-03-28 | Liquid petroleum gas regulator automatic test equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201173841Y true CN201173841Y (en) | 2008-12-31 |
Family
ID=40200968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200742374U Expired - Fee Related CN201173841Y (en) | 2008-03-28 | 2008-03-28 | Liquid petroleum gas regulator automatic test equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201173841Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103439125A (en) * | 2013-06-26 | 2013-12-11 | 安徽中科智能高技术有限责任公司 | Device and method for detecting pressure regulation performance of gas pressure regulator |
| CN106323379A (en) * | 2016-08-28 | 2017-01-11 | 成都润博科技有限公司 | Gas source flow and pressure detection method based on pressure flow comprehensive detector |
| CN109870363A (en) * | 2019-01-30 | 2019-06-11 | 重庆瑞力比燃气设备有限责任公司 | A kind of pressure-measuring method and pressure testing system |
| CN113899399A (en) * | 2021-09-18 | 2022-01-07 | 深圳市宏智智能装备有限公司 | High-voltage regulator testing method for intelligent micro-pipe network ecological chain |
-
2008
- 2008-03-28 CN CNU2008200742374U patent/CN201173841Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103439125A (en) * | 2013-06-26 | 2013-12-11 | 安徽中科智能高技术有限责任公司 | Device and method for detecting pressure regulation performance of gas pressure regulator |
| CN106323379A (en) * | 2016-08-28 | 2017-01-11 | 成都润博科技有限公司 | Gas source flow and pressure detection method based on pressure flow comprehensive detector |
| CN109870363A (en) * | 2019-01-30 | 2019-06-11 | 重庆瑞力比燃气设备有限责任公司 | A kind of pressure-measuring method and pressure testing system |
| CN113899399A (en) * | 2021-09-18 | 2022-01-07 | 深圳市宏智智能装备有限公司 | High-voltage regulator testing method for intelligent micro-pipe network ecological chain |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103439125A (en) | Device and method for detecting pressure regulation performance of gas pressure regulator | |
| CN204832085U (en) | Height warm purgation combustible gas explosion characteristic testing experiment device | |
| CN201173841Y (en) | Liquid petroleum gas regulator automatic test equipment | |
| CN203643083U (en) | Low temperature pressure sensor automatic calibration device | |
| CN201322747Y (en) | High-pressure control device for natural gas hydrate simulated experiment | |
| CN201028987Y (en) | 10Mpa differential pressure type gas leakage detecting device | |
| CN102590265A (en) | Spontaneous ignition point test device in high-pressure oxygen-rich environment | |
| CN102520116A (en) | Cable flame-retardant combustion test device based on automatic control of computer | |
| CN109341979A (en) | Nitrogen and helium leak check system | |
| CN202018370U (en) | Micro differential pressure type full-automatic gas meter airtightness detecting system | |
| CN209606081U (en) | A kind of A320 aircraft engine HP Bleed Valve test device | |
| CN102720667B (en) | A kind of test method of engine oil pump pressure-limiting valve cracking pressure and device | |
| CN201876391U (en) | Test bench for testing water pressure strength of cylinder | |
| CN201520213U (en) | Control system for air course of automobile | |
| CN204944772U (en) | A kind of source of the gas steering gear system experiment test equipment | |
| CN108225952A (en) | Gas cylinder fatigue tester | |
| CN207036409U (en) | A kind of low-temperature safety valve checking table | |
| CN110160773A (en) | A kind of pressure relief valve detection device and its detection method | |
| CN110726547A (en) | Portable comprehensive checking device for pressure protection device | |
| CN102445355A (en) | System and method for testing micro-flow thermal throttling device for ionic electric propulsion | |
| CN202661237U (en) | Air tightness detection device for three-clack valve of puncture outfit | |
| CN209354723U (en) | For detecting the pneumatic pressure transmitter of highly pressurised liquid | |
| CN207866422U (en) | A kind of automatic test and experiment device of pressure signal device operating pressure | |
| CN202583149U (en) | Cable flame retardant combustion test device based on automatic control of computer | |
| CN203981845U (en) | Buchholz relay on-site calibration device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081231 Termination date: 20150328 |
|
| EXPY | Termination of patent right or utility model |