CN201757662U - Gas meter actual medium durability testing machine - Google Patents
Gas meter actual medium durability testing machine Download PDFInfo
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- CN201757662U CN201757662U CN201020292299XU CN201020292299U CN201757662U CN 201757662 U CN201757662 U CN 201757662U CN 201020292299X U CN201020292299X U CN 201020292299XU CN 201020292299 U CN201020292299 U CN 201020292299U CN 201757662 U CN201757662 U CN 201757662U
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- gas meter
- flow meter
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Abstract
The utility model provides a testing device convenient for a testing corporation to implement gas meter actual medium durability test on site, namely a gas meter actual medium durability testing machine. A gas meter input pipeline, a gas meter output pipeline and a gas meter dial sensing detector are arranged in a gas meter detection area inside a machine body of the gas meter actual medium durability testing machine, a circulation air pump and a circulation loop are further arranged in the machine body, the circulation loop consists of the circulation air pump and a connecting pipeline of the circulation air pump which are connected in series with the gas meter input pipeline, a tested sample machine and the gas meter input pipeline via a plurality of control valves, and a nitrogen connecting pipeline and an actual medium connecting pipeline, as two medium input pipelines, are communicated to the circulation loop. The technical scheme of the gas meter actual medium durability testing machine meets the standard requirements of professional technical standard requirements on actual medium durability test of gas meters, particularly film type gas meters, and also ensures detection safety.
Description
Technical field
The utility model relates to the test unit of gas meter, flow meter being implemented the operation of real medium permanance.
Background technology
Gas meter, flow meter need carry out permanance by professional technique standards such as national technical standards and detect.Present detection method is just selected to install from having the user of cooperative relationship with Gas Company.There are a lot of practical problemss in such test method: the one, and tested gas meter, flow meter can't in time be understood the ruuning situation of tested model machine away from technician's sight line, also is difficult to hold process of the test in very first time support and conciliates the existing problem that decided; Key is to control the service condition of tested gas meter, flow meter by testing requirements, as uncontrollable or keep constant detected temperatures, humidity, the instantaneous delivery of uncontrollable gas meter, flow meter, can not make tested gas meter, flow meter keep continuous running status, also can't be to carrying out the comparison of performance difference between many combustion gas sample tables; Can't implement the check of long endurance to tested model machine; In addition, be installed on the user place and detect, just there is certain potential safety hazard in itself.
Summary of the invention
Goal of the invention of the present utility model is to provide a kind of gas meter, flow meter real medium durability test machine of being convenient to be implemented on the spot by test unit the test of gas meter, flow meter real medium endurance quality.The gas meter, flow meter real medium durability test machine technical scheme that the utility model provides, its major technique content is: a kind of gas meter, flow meter real medium durability test machine, gas meter, flow meter surveyed area in the body is provided with the gas meter, flow meter input, output pipe and gas meter, flow meter dial plate sensor monitoring head, also be provided with the nitrogen connecting line in the body, the real medium connecting line, circulation air pump and connecting line thereof, the gas meter, flow meter input, output pipe, the nitrogen connecting line, real medium connecting line and circulation air pump connecting line are formed the gas meter, flow meter intake line through the break-make control on the corresponding valve road of multi-way control valve, tested model machine, the gas meter, flow meter output pipe, the closed circuit that circulation air pump and connecting line series connection thereof constitute, nitrogen connecting line and real medium connecting line are for being communicated to two medium intake lines of closed circuit respectively.
The disclosed gas meter, flow meter real medium of the utility model durability test machine has satisfied the gas meter, flow meter of professional technique standard-required, the especially standard-required of diaphragm gas meter real medium endurancing, testing crew is the monitoring test situation at any time, can under continuous running status, monitor, can keep or the change test condition according to test specification, various machine test condition also can be set, monitor the performance difference of each tested model machine, also can carry out the longest endurance and detect, guarantee the security that detects tested model machine.
Description of drawings
Fig. 1 is the pie graph of this gas meter, flow meter real medium durability test machine
Fig. 2 is the closed circuit synoptic diagram of this gas meter, flow meter real medium durability test machine.
Embodiment
The disclosed gas meter, flow meter real medium of the utility model durability test machine, be provided with the gas meter, flow meter surveyed area 2 that is separated out by boxboard in its body 1, be provided with the gas meter, flow meter input in this gas meter, flow meter surveyed area 2, output pipe 24 and gas meter, flow meter dial plate sensor monitoring head 5, tested gas meter, flow meter model machine 6 and gas meter, flow meter input, output pipe tube head 7 well connects, dial plate sensor monitoring head 5 is relative with the gas meter, flow meter dial plate, it is mainly the photoelectric sensing monitor, 3 pairs of tested model machines 6 of transparent form and operation conditions thereof by body 1 are observed, the gas meter, flow meter input, output pipe 24 is provided with the flowmeter 8 that the real medium flow is detected.Be provided with nitrogen connecting line 21 in the body 1, real medium connecting line 18, circulation air pump 13 and connecting line thereof, nitrogen connecting line 21, real medium connecting line 18, circulation air pump connecting line and gas meter, flow meter input, one end of output pipe 24 all is connected on the valve road of multi-way control valve 10 correspondences, nitrogen connecting line 21 other ends are connected with source nitrogen tank body 20, its connecting line is provided with nitrogen reduction valve and tensimeter 22, the other end of real medium connecting line 18 is connected with fuel gas source tank body 16, its connecting line is provided with reduction valve and tensimeter 17, circulation air pump connecting line is provided with cooling device 11, this cooling device can water-cooled etc. cooling device.Also be provided with sensing collectors such as the combustion gas detector 9 that is used for safety detection and temperature sensor on the body 1, flow monitoring value, gas meter, flow meter dial plate monitor value, temperature monitoring value etc. can be sent to centralized displaying on the instrument display 4.When meeting maintenance or damage, air pump influences the operate as normal of this testing machine for preventing to circulate, in the present embodiment structure, be provided with standby circulation air pump and standby connecting line thereof, work by 12 pairs of circulation air pumps of circulating air pump control circuit is monitored, and where necessary by retaining valve 14 timely blocked operations.
Fig. 2 has provided the closed circuit structure of this gas meter, flow meter real medium durability test machine, tested model machine 6 is communicated with the formation closed circuit through gas meter, flow meter input, output pipe and multi-way control valve 10 with circulation air pump connecting line, the nitrogen connecting line 21 of source nitrogen tank body 20 feeds the connection closed circuit through the corresponding valve road of multi-way control valve 10, the real medium connecting line 18 of fuel gas source tank body 16 respectively through the corresponding valve road of multi-way control valve 10, constitutes two medium intake lines of closed circuit.At real medium, before normally combustion gas moves in sending into pipeline, the nitrogen connecting line 21 and gas meter, flow meter input that should open the nitrogen reduction valve earlier and control by multi-way control valve 10, the valve road that output pipe is communicated with, under the driving of circulation air pump 13, air in the complete machine pipeline is thoroughly replaced by nitrogen, thereby assurance security of operation, close the source nitrogen pipeline thereafter, open the combustion gas reduction valve and multi-way control valve 10 corresponding valve roads are made gas connection pipe road 18 and gas meter, flow meter input, output pipe 24 is communicated with, the real medium endurancing is carried out in combustion gas circular flow in pipeline under the driving of circulation air pump 13.In the present embodiment structure, on its circulation line, also be provided with the delivery pipe that constitutes by operation valve 25 and flowmeter 30, be used for the usefulness of the discharging during poly-doped impurity in nitrogen replacement or the test gas.
Claims (6)
1. gas meter, flow meter real medium durability test machine, it is characterized in that the gas meter, flow meter surveyed area in the body is provided with the gas meter, flow meter input, output pipe and gas meter, flow meter dial plate sensor monitoring head, also be provided with the nitrogen connecting line in the body, the real medium connecting line, circulation air pump and connecting line thereof, the gas meter, flow meter input, output pipe, the nitrogen connecting line, real medium connecting line and circulation air pump connecting line are formed the gas meter, flow meter intake line through the break-make control on the corresponding valve road of multi-way control valve, tested model machine, the gas meter, flow meter output pipe, the closed circuit that circulation air pump and connecting line series connection thereof constitute, nitrogen connecting line and real medium connecting line are for being communicated to two medium intake lines of closed circuit respectively.
2. gas meter, flow meter real medium durability test machine according to claim 1 is characterized in that being provided with in the body temperature sensor, and circulation air pump connecting line is provided with cooling device.
3. gas meter, flow meter real medium durability test machine according to claim 1 is characterized in that gas meter, flow meter input, output pipe are provided with flowmeter.
4. according to the gas meter, flow meter real medium durability test machine of claim 1, it is characterized in that being provided with in the body combustion gas detector (9).
5. according to claim 1,2,3 or 4 gas meter, flow meter real medium durability test machine, it is characterized in that being provided with on the body instrument display (4) that shows each monitor value.
6. according to the gas meter, flow meter real medium durability test machine of claim 1, it is characterized in that being provided with in the body standby circulation air pump and standby connecting line thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020292299XU CN201757662U (en) | 2010-08-10 | 2010-08-10 | Gas meter actual medium durability testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020292299XU CN201757662U (en) | 2010-08-10 | 2010-08-10 | Gas meter actual medium durability testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201757662U true CN201757662U (en) | 2011-03-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020292299XU Expired - Fee Related CN201757662U (en) | 2010-08-10 | 2010-08-10 | Gas meter actual medium durability testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201757662U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111189626A (en) * | 2020-01-15 | 2020-05-22 | 重庆市计量质量检测研究院 | Gas meter flow fluctuation type mechanical endurance test system adopting sonic nozzle |
-
2010
- 2010-08-10 CN CN201020292299XU patent/CN201757662U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111189626A (en) * | 2020-01-15 | 2020-05-22 | 重庆市计量质量检测研究院 | Gas meter flow fluctuation type mechanical endurance test system adopting sonic nozzle |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110309 Termination date: 20160810 |