CN204128738U - The on-line testing device of gas meter, flow meter test pressure unit - Google Patents
The on-line testing device of gas meter, flow meter test pressure unit Download PDFInfo
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- CN204128738U CN204128738U CN201420575221.7U CN201420575221U CN204128738U CN 204128738 U CN204128738 U CN 204128738U CN 201420575221 U CN201420575221 U CN 201420575221U CN 204128738 U CN204128738 U CN 204128738U
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- pressure unit
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- gas meter
- pressure
- meter
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Abstract
The utility model provides a kind of on-line testing device of gas meter, flow meter test pressure unit, relates to gas meter, flow meter technical field of measurement and test.Comprise gas meter, flow meter monitor station, the intelligent digital pressure testers that monitor station is provided with pressure unit and is electrically connected with pressure unit, pressure unit gas circuit is connected with test connector, test connector gas circuit is connected with forcing pump, intelligent digital pressure testers is connected with forcing pump gas circuit, and intelligent digital pressure testers is connected with test connector gas circuit.The utility model solves in prior art to be needed to pull down the inconvenient technical matters of verification to gas meter leak tightness detection system pressure unit.The beneficial effects of the utility model are: need not dismantle the verification of pressure unit direct-on-line, save time.Do not arrhea waterline verification, improve efficiency.Once verify whole for gas meter leak tightness detection system, eliminating pressure unit system up to standard has problem and causes gas meter leak tightness to detect the wrong hidden danger of data simultaneously.
Description
Technical field
The utility model relates to gas meter, flow meter technical field of measurement and test, especially relates to a kind of online pressure checking device detecting gas meter leak tightness equipment upward pressure transmitter.
Background technology
Along with the fast development of gas industry, gas meter, flow meter generally uses in China.Sealing due to gas meter, flow meter is the major issue being related to user's lives and properties, so the sealing of gas meter, flow meter is the emphasis test item of manufacturer.The sealing propertytest mode of current gas meter, flow meter has water to examine and gas examines two kinds.Because whole for tested gas meter, flow meter being immersed in the water will just can be carried out by water inspection, tested gas meter, flow meter needs to dry the electronic unit be removed before tested gas meter, flow meter is installed again after needing to remove electronic unit, water outlet before entering water, not only operation inconvenience and also efficiency also very low, can't be suitable in production line balance and detect.Current most manufacturer adopts gas procuratorial organ formula to carry out the sealing propertytest of gas meter, flow meter.The station of streamline arranges pressure unit, tested gas meter, flow meter is transported to detection station, to tested gas meter, flow meter ventilation after pipeline connects, is changed by pressure unit sensed pressure, and compare with canonical parameter, judge that whether the sealing of tested gas meter, flow meter is qualified.Like this, the accuracy of checkout equipment is directly connected to as the accuracy of the pressure unit of detecting instrument.The method of current base measuring pressure transmitter is that pressure unit is pulled down censorship from detection system.Chinese patent Authorization Notice No. CN203824702U, authorized announcement date on September 10th, 2014, the utility model patent that name is called " pressure unit calibration equipment ", discloses a kind of to pressure unit on-site detecting device.It comprises the pressuring pump for providing pressure source, and pressuring pump is connected with the first port of three-way pipe through the first flexible tube section; Second port of three-way pipe is connected with the second flexible tube section, and the second flexible tube section is used for pressing mouth to be connected with adopting of pressure unit to be verified; 3rd port of three-way pipe is connected with device for pressure measurement through the 3rd flexible tube section, and device for pressure measurement is U-shaped pipe with a scale, is injected with the reagent for showing the force value sensed in U-shaped pipe.This utility model, by by pressuring pump through flexible pipe connecting tee pipe, and three-way pipe be communicated with respectively pressure unit to be verified adopt pressure mouth and for measuring and showing the U-shaped pipe of force value, the input pressure value that the input pressure value measured by comparison U shape pipe and pressure unit are detected, thus realize carrying out field-checking to pressure unit.This device avoids the trouble giving pressure unit censorship, but or needs, from detection system, pressure unit is pulled down independent detection.In addition, the sealing propertytest of gas meter, flow meter is a detection system based on pressure unit, the other parts of system only can be omitted to pressure unit verification, even if be accurately after pressure unit verification, but whole detection system also can exist inaccurate, causes the sealing propertytest of gas meter, flow meter inaccurate.
Summary of the invention
Need to pull down the inconvenient technical matters of verification to gas meter leak tightness detection system pressure unit to solve prior art, the utility model provides a kind of on-line testing device of gas meter, flow meter test pressure unit, reaches and neither needs dismounting pressure unit can meet again the object verified whole gas meter leak tightness detection system.
The technical solution of the utility model is: a kind of on-line testing device of gas meter, flow meter test pressure unit, comprise the monitor station detected for gas meter leak tightness, the intelligent digital pressure testers that monitor station is provided with pressure unit and is electrically connected with pressure unit, pressure unit gas circuit is connected with test connector, test connector gas circuit is connected with forcing pump, the gas outlet of intelligent digital pressure testers is connected with forcing pump gas circuit, and the air intake opening of intelligent digital pressure testers is connected with test connector gas circuit.The verification of pressure unit direct-on-line need not be dismantled, to save time, high-level efficiency.
As preferably, test connector is provided with the IIth draft tube of vertical direction and the Ith escape pipe, the Ith draft tube of horizontal direction and the IIth escape pipe, and the Ith draft tube is connected with the IIth draft tube, and the Ith escape pipe is connected with the IIth escape pipe.
As preferably, the IIth draft tube and the Ith escape pipe are at a distance of 125-135mm.
Compared with prior art, the beneficial effects of the utility model are: need not dismantle the verification of pressure unit direct-on-line, save dismounting operation.Waterline verification can not be arrheaed, improve efficiency.Once verify whole for gas meter leak tightness detection system while verification pressure unit, eliminating pressure unit system up to standard has problem and causes gas meter leak tightness to detect the wrong hidden danger of data.
Accompanying drawing explanation
Accompanying drawing 1 is the utility model connection diagram;
Accompanying drawing 2 is test connector structural representation.
In figure: 1-monitor station; 2-intelligent digital pressure testers; 3-pressure unit; 4-test connector; 5-forcing pump; 41-the Ith draft tube; 42-the IIth draft tube; 43-the Ith escape pipe; 44-the IIth escape pipe.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment 1:
As illustrated in fig. 1 and 2, a kind of on-line testing device of gas meter, flow meter test pressure unit, comprises monitor station 1.Monitor station 1, for the detection of gas meter leak tightness, is arranged in production line.Monitor station 1 is provided with pressure unit 3 and intelligent digital pressure testers 2.Production line one detects station six pressure units 3 and an intelligent digital pressure testers 2.Every platform pressure unit 3 is connected with flexible draft tube and flexible escape pipe by pipeline.Flexible draft tube and flexible escape pipe are the rigid structure that can stretch up and down.In gas meter, flow meter detects, gas meter, flow meter arrives and detects station, and flexible draft tube and flexible escape pipe stretch out and be connected with the air intake opening of gas meter, flow meter and gas outlet respectively, detection of then supplying gas.Pressure unit 3 is electrically connected with intelligent digital pressure testers 2.The pressure reduction change that pressure unit 3 transmits by intelligent digital pressure testers 2 converts numerical value display to, and compares with the acceptance value of setting, judges testing result.Pressure unit 3 gas circuit is connected with test connector 4.Test connector 4 is just used when verifying pressure unit 3.Test connector 4 is provided with the IIth draft tube 42 of vertical direction and the Ith escape pipe 43, the Ith draft tube 41 of horizontal direction and the IIth escape pipe 44.IIth draft tube 42 and the Ith escape pipe 43 upper end open lower end closed respectively.The spacing of the IIth draft tube 42 and the Ith escape pipe 43 is equal with the spacing of flexible draft tube and flexible escape pipe, is 130mm.When flexible draft tube is extended and the IIth draft tube 42 upper port be tightly connected; When flexible escape pipe extends and the Ith escape pipe 43 upper port be tightly connected.Test connector 4 gas circuit is connected with forcing pump 5, and forcing pump 5 is hand-operating pressure pump.IIth draft tube 42 sidewall connects the Ith draft tube 41.Ith draft tube 41 one end is communicated with the IIth draft tube 42, and the other end is tightly connected by the exhausr port of tracheae and forcing pump 5.Ith escape pipe 43 sidewall connects the IIth escape pipe 44.IIth escape pipe 44 one end is communicated with the Ith escape pipe 43, and the other end is connected with intelligent digital pressure testers 2 air intake opening by tracheae, and the gas outlet of intelligent digital pressure testers 2 is tightly connected by the air entry of tracheae and forcing pump 5.
During detection, test connector 4 is put into below the flexible draft tube of pressure unit 3 and flexible escape pipe that need to detect.IIth draft tube 42 and the Ith escape pipe 43 are aimed at flexible draft tube and flexible escape pipe respectively.Disconnect the gas circuit in production testing.With tracheae the Ith draft tube 41 is connected with the exhausr port of forcing pump 5, the IIth escape pipe 44 is connected with intelligent digital pressure testers 2 air intake opening, the gas outlet of intelligent digital pressure testers 2 is connected with the air entry of forcing pump 5.The signal wire that pressure unit 3 and intelligent digital pressure testers 2 utilize monitor station 1 to be connected is electrically connected.Start monitor station 1, flexible draft tube and flexible escape pipe are stretched downwards, compress the IIth draft tube 42 and the Ith escape pipe 43 upper port respectively.Rotation pressure pump 5, is adjusted to and meets corresponding pressure.Pressure change on pressure unit 3 is converted into difference voltage signal.This signal passes to intelligent digital pressure testers 2, through amplification, voltage current transformation, corresponding signal is changed into current value and shows on intelligent digital pressure testers 2.By displayed value, judge that whether the detection system verifying pressure unit 3 and gas meter leak tightness is qualified.
Claims (3)
1. the on-line testing device of a gas meter, flow meter test pressure unit, comprise the monitor station (1) detected for gas meter leak tightness, the intelligent digital pressure testers (2) that monitor station (1) is provided with pressure unit (3) and is electrically connected with pressure unit (3), it is characterized in that: pressure unit (3) gas circuit is connected with test connector (4), test connector (4) gas circuit is connected with forcing pump (5), the gas outlet of described intelligent digital pressure testers (2) is connected with forcing pump (5) gas circuit, the air intake opening of intelligent digital pressure testers (2) is connected with test connector (4) gas circuit.
2. the on-line testing device of gas meter, flow meter test pressure unit according to claim 1, it is characterized in that: described test connector (4) is provided with the IIth draft tube (42) of vertical direction and the Ith escape pipe (43), the Ith draft tube (41) of horizontal direction and the IIth escape pipe (44), Ith draft tube (41) is connected with the IIth draft tube (42), and the Ith escape pipe (43) is connected with the IIth escape pipe (44).
3. the on-line testing device of gas meter, flow meter test pressure unit according to claim 2, is characterized in that: described IIth draft tube (42) and the Ith escape pipe (43) are at a distance of 125-135mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420575221.7U CN204128738U (en) | 2014-09-30 | 2014-09-30 | The on-line testing device of gas meter, flow meter test pressure unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420575221.7U CN204128738U (en) | 2014-09-30 | 2014-09-30 | The on-line testing device of gas meter, flow meter test pressure unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204128738U true CN204128738U (en) | 2015-01-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420575221.7U Expired - Fee Related CN204128738U (en) | 2014-09-30 | 2014-09-30 | The on-line testing device of gas meter, flow meter test pressure unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204128738U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114323434A (en) * | 2020-10-12 | 2022-04-12 | 北京中科京仪科技有限公司 | Pressure transmitter calibration device and calibration method |
-
2014
- 2014-09-30 CN CN201420575221.7U patent/CN204128738U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114323434A (en) * | 2020-10-12 | 2022-04-12 | 北京中科京仪科技有限公司 | Pressure transmitter calibration device and calibration method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 325600 Yueqing Economic Development Zone, Wenzhou, No. seventeen weft Road No. 291, Zhejiang Patentee after: Goldcard Smart Group Co.,Ltd. Address before: 325600 Yueqing Economic Development Zone, Wenzhou, No. seventeen weft Road No. 261, Zhejiang Patentee before: GOLDCARD HIGH-TECH CO.,LTD. |
|
| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150128 Termination date: 20210930 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |