CN206311149U - A kind of diaphragm gas meter with pipe pressure removal device - Google Patents
A kind of diaphragm gas meter with pipe pressure removal device Download PDFInfo
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- CN206311149U CN206311149U CN201621449184.0U CN201621449184U CN206311149U CN 206311149 U CN206311149 U CN 206311149U CN 201621449184 U CN201621449184 U CN 201621449184U CN 206311149 U CN206311149 U CN 206311149U
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- pipe
- differential pressure
- gas meter
- control board
- air inlet
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Abstract
The utility model provides a kind of diaphragm gas meter with pipe pressure removal device, which solves the complicated problem of existing diaphragm gas meter removal pipe pressure algorithm.It is provided with housing and the control device installed in enclosure interior, housing is provided with air inlet pipe, escaping pipe, it is additionally provided with differential pressure pick-up, air inlet pipe side is connected with closed cavity by tubule, differential pressure pick-up is provided with two probes, on the tube wall of escaping pipe, another probe is arranged in closed cavity one probe；Control device is provided with control board, and control board is provided with communication module；Control board is connected with differential pressure pick-up.The utility model is widely used in gas meter, flow meter equipment technical field.
Description
Technical field
The utility model is related to a kind of gas meter, flow meter, more particularly to a kind of diaphragm gas meter with pipe pressure removal device.
Background technology
The features such as diaphragm gas meter has low cost because of it, reliability is high, is widely used in the metering of domestic gas.Its
Using in the software algorithm of pressure measurement, ductwork pressure removal is an important step to metering method.It is general to be calculated using curve matching
Method, baseline drift algorithm or Fast Fourier Transform (FFT) (FFT) algorithm.Pressure sensor is set in gas meter, flow meter, the same of metering is being realized
When have safety detection performance concurrently.Simple structure, security is good, but algorithm is complicated, heavy computational burden.
The content of the invention
The utility model is for the complicated problem of existing diaphragm gas meter removal pipe pressure algorithm, there is provided a kind of to be filled by hardware
Put and realize algorithm simplification, security a kind of preferably diaphragm gas meter with pipe pressure removal device.
Therefore, the utility model is provided with housing and the control device installed in enclosure interior, housing is provided with air inlet pipe, outlet
Pipe, is additionally provided with differential pressure pick-up, and air inlet pipe side is connected with closed cavity by tubule, and differential pressure pick-up is provided with two probes,
On the tube wall of escaping pipe, another probe is arranged in closed cavity one probe；
Control device is provided with control board, and control board is provided with communication module；Control board and differential pressure pick-up
Connection.
Preferably, air inlet pipe or escaping pipe are provided with temperature sensor, magnetic valve, and housing is provided with unblock button, liquid crystal
Screen, control device also includes supplying cell, and control board also includes single-chip microcomputer, memory module；
Single-chip microcomputer input is connected with differential pressure pick-up, temperature sensor, unblock button and supplying cell, output end with electricity
Magnet valve is connected；Single-chip microcomputer is also connected with communication module, memory module.
Preferably, air inlet pipe or escaping pipe are provided with excessively stream shearing device.
The beneficial effects of the utility model are, by differential pressure pick-up and the hardware setting of control device, to realize pipe network pressure
Power is removed, and simplifies algorithm, alleviates computation burden.Excessively stream shearing device, magnetic valve and unblock button are additionally provided with, are improve
Safety in utilization.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is connection diagram of the present utility model.
Symbol description in figure：
1. housing；2. air inlet pipe；3. escaping pipe；4. excessively stream shearing device；5. differential pressure pick-up；6. closed cavity；7.
One probe；8. second pop one's head in；9. control board；10. supplying cell；11. single-chip microcomputers；12. memory modules；13. communication modules；
14. temperature sensors；15. magnetic valves；16. unblock buttons；17. liquid crystal displays；18. master systems.
Specific embodiment
The utility model is described further with reference to embodiment.
As shown in Figure 1, 2, the present embodiment includes housing 1, the control device inside housing 1 and differential pressure pick-up 5,
Housing 1 is provided with air inlet pipe 2, escaping pipe 3, and the side of air inlet pipe 2 is connected with closed cavity 6 by tubule, and escaping pipe 3 is provided with excessively stream
Shearing device 4.Differential pressure pick-up 5 has two probes, and the first probe 7 is arranged on the tube wall of escaping pipe 3, and the second probe 8 is installed
In closed cavity 6.
Control device includes control board 9, supplying cell 10, and supplying cell 10 is connected with control board 9, control electricity
Road plate 9 includes single-chip microcomputer 11, memory module 12 and communication module 13, and input and the supplying cell 10, differential pressure of single-chip microcomputer 11 are passed
Sensor 5 is connected, and single-chip microcomputer 11 carries out information exchange with memory module 12, communication module 13, and communication module 13 can be by channel radio
News carry out information exchange with master system 18.
Escaping pipe 3 is also equipped with temperature sensor 14, magnetic valve 15, and unblock button 16, liquid crystal display is provided with housing 1
17, temperature sensor 14, unblock button 16 are connected with the input of single-chip microcomputer 11, and magnetic valve 15 is connected with the output end of single-chip microcomputer 11,
Liquid crystal display 17 carries out information exchange with single-chip microcomputer 11.
First probe 7 measures the pressure after pipe network is superimposed with film, and the second probe 8 measures ductwork pressure, and differential pressure pick-up 5 will
Two pressure measuring values send single-chip microcomputer 11 to, and temperature sensor 14 sends measured temperature to single-chip microcomputer 11.Single-chip microcomputer 11
Information processing is carried out, two pressure measuring value simple subtractions are that can remove pipe pressure.
Single-chip microcomputer 11 can realize that standard state gas consumption converts by temperature and pressure compensation, solve gas company because of gas
The trade error that time problem is caused.Single-chip microcomputer 11 communicates information to memory module 12, communication module 13 and liquid crystal display 16, realizes
Storage, upload master system 18 and display function.When gas flow is excessive, excessively stream shearing device 4 can automatically cut off Gas Pipe
Road, after gas flow is normal, excessively stream shearing device 4 will automatically reset.Such as the failures such as leakage, superpressure, excessively stream, the meeting of magnetic valve 15
Automatic locking, user is manually pressed by unblock button 16 can just be unlocked.Master system 18 can user in real destiny according to and
Potential safety hazard is alarmed, and can realize remote control, after the remote lock of master system 18, can only be long-range by master system 18
After unblock and it is manually pressed by unblock button 16 and can just unlocks.
Differential pressure pick-up 5 also can use two absolute pressure transducers to substitute.
The above is not limited to the utility model only to specific embodiment of the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.
Claims (3)
1. it is a kind of with pipe press removal device diaphragm gas meter, it is provided with housing and the control device installed in enclosure interior,
The housing is provided with air inlet pipe, escaping pipe, it is characterized in that, differential pressure pick-up is additionally provided with, the air inlet pipe side is connected by tubule
Closed cavity is connected to, the differential pressure pick-up is provided with two probes, and a probe is another on the tube wall of the escaping pipe
Individual probe is arranged in the closed cavity；
The control device is provided with control board, and the control board is provided with communication module；The control board and institute
State differential pressure pick-up connection.
2. it is according to claim 1 with pipe press removal device diaphragm gas meter, it is characterised in that the air inlet pipe or
Escaping pipe is provided with temperature sensor, magnetic valve, and the housing is provided with unblock button, liquid crystal display, and the control device is also wrapped
Supplying cell is included, control board also includes single-chip microcomputer, memory module；
The single-chip microcomputer input is connected with the differential pressure pick-up, temperature sensor, unblock button and supplying cell, output end
It is connected with the magnetic valve；The single-chip microcomputer is also connected with the communication module, memory module.
3. it is according to claim 1 with pipe press removal device diaphragm gas meter, it is characterised in that the air inlet pipe or
Escaping pipe is provided with excessively stream shearing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621449184.0U CN206311149U (en) | 2016-12-27 | 2016-12-27 | A kind of diaphragm gas meter with pipe pressure removal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621449184.0U CN206311149U (en) | 2016-12-27 | 2016-12-27 | A kind of diaphragm gas meter with pipe pressure removal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206311149U true CN206311149U (en) | 2017-07-07 |
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ID=59247226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621449184.0U Active CN206311149U (en) | 2016-12-27 | 2016-12-27 | A kind of diaphragm gas meter with pipe pressure removal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206311149U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110542462A (en) * | 2019-09-03 | 2019-12-06 | 真兰仪表科技有限公司 | Gas meter counting mechanism and gas meter |
-
2016
- 2016-12-27 CN CN201621449184.0U patent/CN206311149U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110542462A (en) * | 2019-09-03 | 2019-12-06 | 真兰仪表科技有限公司 | Gas meter counting mechanism and gas meter |
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