CN215491994U - Pulse type detection system for gas meter - Google Patents
Pulse type detection system for gas meter Download PDFInfo
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- CN215491994U CN215491994U CN202121321351.4U CN202121321351U CN215491994U CN 215491994 U CN215491994 U CN 215491994U CN 202121321351 U CN202121321351 U CN 202121321351U CN 215491994 U CN215491994 U CN 215491994U
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Abstract
The utility model relates to a gas table pulsed detecting system relates to gas table detection technology field, and it is including being used for the bell jar formula gas flow standard device to the gas table gas that awaits measuring admits air, the intercommunication has the intake pipe between the inlet end of the end of giving vent to anger of bell jar formula gas flow standard device and gas table, be provided with pulse solenoid valve in the intake pipe, pulse solenoid valve electricity is connected in the controller, and the end intercommunication of giving vent to anger of gas table has the outlet duct. The gas meter reading device has the advantages that the reading of the gas meter is dynamically detected, and the gas meter detection accuracy is improved.
Description
Technical Field
The application relates to the technical field of gas meter detection, in particular to a pulse type gas meter detection system.
Background
The standard device for detecting, calibrating and checking the gas flowmeter is generally composed of a bell jar, a liquid tank, a signaling mechanism, a pressure compensation mechanism, a gas source and a test pipeline.
The traditional Chinese patent with publication number CN212658320U discloses a gas flow standard device, which comprises a bell-type gas flow standard device, wherein a gas guide pipe of the bell-type gas flow standard device is provided with a tee joint, the tee joint is respectively provided with two pipelines, and one pipeline is provided with a first electromagnetic valve, a standard meter and a blower; and a second electromagnetic valve, a measured meter and a third electromagnetic valve are arranged on the other pipeline, the gas measuring meter is arranged on the mounting platform, and the coefficient value of a bell jar meter of the bell jar type gas flow standard device is compared with the reading of the gas meter so as to judge whether the reading of the gas meter is accurate.
Aiming at the related technologies, the gas flow standard device can only be compared with the reading of the gas meter after complete gas exhaust, and cannot perform staged detection, so that the detection precision is low, and the improvement is provided.
SUMMERY OF THE UTILITY MODEL
In order to improve the lower problem of gas table detection precision, this application provides a gas table pulsed detecting system.
The application provides a gas table pulsed detecting system adopts following technical scheme:
a pulse type detection system for a gas meter comprises a bell-type gas flow standard device used for feeding gas into the gas meter to be detected, wherein a gas inlet pipe is communicated between the gas outlet end of the bell-type gas flow standard device and the gas inlet end of the gas meter, a pulse electromagnetic valve is arranged on the gas inlet pipe and is electrically connected with a controller, and the gas outlet end of the gas meter is communicated with a gas outlet pipe.
By adopting the technical scheme, the pulse electromagnetic valve is controlled to be opened at intervals by the controller, intermittent air inlet of the air inlet pipe is convenient to realize, the reading of the dynamic detection gas meter is realized by observing the reading change of the gas meter and the meter coefficient value change of the bell-type flow standard device, and the accuracy of gas meter detection is improved.
Preferably, the gas inlet pipe comprises a first branch pipe and a second branch pipe, a first electromagnetic valve and a second electromagnetic valve are arranged on the first branch pipe, a third electromagnetic valve and a fourth electromagnetic valve are arranged on the second branch pipe, the gas inlet end of the gas meter is communicated with a pipeline between the first electromagnetic valve and the second electromagnetic valve, and the gas outlet pipe is communicated with a pipeline between the third electromagnetic valve and the fourth electromagnetic valve;
the controller is in control connection with the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve and the fourth electromagnetic valve.
Through adopting above-mentioned technical scheme, by first solenoid valve of controller control, the second solenoid valve, third solenoid valve and fourth solenoid valve, when detecting the gas meter admission, the first solenoid valve of controller control is opened, close second solenoid valve and third solenoid valve simultaneously, the air lets in the inlet end of gas meter through the intake pipe, open the fourth solenoid valve air outflow to the atmosphere in, realize the opening and closing control to admission line, the degree of automation control has been improved, the manual work intensity has been reduced.
Preferably, the air outlet pipe is communicated with a high-speed valve.
Through adopting above-mentioned technical scheme, the high-speed valve of intercommunication on the outlet duct is convenient for discharge the air that the gas table was given vent to anger the end and is flowed fast, has improved the exhaust rate of air.
Preferably, a float valve is communicated between the bell-type gas flow standard device and the gas inlet pipe.
By adopting the technical scheme, if the pressure between the bell-type gas flow standard device and the gas inlet pipe is overlarge, the pressure of the pipeline is relieved after the float valve is opened, and the safety of the gas inlet pipe is improved.
Preferably, the air inlet end of the bell-type gas flow standard device is communicated with a vent pipe, and one end of the vent pipe, which is far away from the bell-type gas flow standard device, is communicated with a fan.
By adopting the technical scheme, the air is ventilated to the air inlet end of the bell-type gas flow standard device by the aid of the fan, so that workers can conveniently observe the air input of the bell-type gas flow standard device, and the accuracy and convenience of air inlet are improved.
Preferably, one end of the vent pipe close to the fan is provided with a quick connector, the air outlet end of the fan is provided with a quick connector, and the quick connector is clamped and matched with the quick connector.
Through adopting above-mentioned technical scheme, when needs install the fan on the breather pipe, by quick-operation joint and quick-operation joint cooperation, be convenient for realize the installation of fan fast, improved the convenience of fan installation.
Preferably, a silica gel sealing gasket is arranged between the quick connector and the quick connector.
Through adopting above-mentioned technical scheme, with the help of setting up the sealed pad of silica gel between quick-operation joint and quick-operation interface, when quick-operation joint and quick-operation interface installation, deformation takes place after the sealed pad atress of silica gel, and the sealed pad of silica gel seals the gap between quick-operation joint and the quick-operation interface, has reduced the condition emergence that the fan impressed the in-process air of air and revealed.
Preferably, a control valve is arranged on a pipe body communicated between the vent pipe and the air inlet end of the bell-type gas flow standard device.
Through adopting above-mentioned technical scheme, control admitting air through the control valve, the staff of being convenient for is to admitting air and close and admit air and control.
In summary, the present application includes at least one of the following beneficial technical effects:
the pulse electromagnetic valve is controlled to be opened at intervals by the controller, so that intermittent air inlet of the air inlet pipe is convenient to realize, the reading of the gas meter is dynamically detected by observing the reading change of the gas meter and the numerical value change of the meter coefficient of the bell-type flow standard device, and the detection accuracy of the gas meter is improved;
the controller controls the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve and the fourth electromagnetic valve, when the gas meter is subjected to gas inlet detection, the controller controls the first electromagnetic valve to be opened, the second electromagnetic valve and the third electromagnetic valve are closed simultaneously, air is introduced into the gas inlet end of the gas meter through the gas inlet pipe, the fourth electromagnetic valve is opened, air flows out to the atmosphere, opening and closing control of the gas inlet pipeline is achieved, and the automatic control degree is improved.
Drawings
Fig. 1 is a schematic diagram of a pulse type detection system mainly embodying a gas meter in an embodiment of the present application;
fig. 2 is an enlarged view of a portion a of fig. 1, and mainly shows a structure for installing a fan.
Reference numerals: 1. a bell jar gas flow standard device; 2. an air inlet pipe; 21. a pulse electromagnetic valve; 22. a first branch pipe; 221. a first solenoid valve; 222. a second solenoid valve; 23. a second branch pipe; 231. a third electromagnetic valve; 232. a fourth solenoid valve; 3. a float valve; 4. an air outlet pipe; 41. a high speed valve; 5. a breather pipe; 51. a quick coupling; 52. a control valve; 6. a fan; 61. a quick interface; 7. the silica gel sealed pad.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses pulsed detecting system of gas table.
Referring to fig. 1, the pulse type detection system of the gas meter comprises a bell-type gas flow standard device 1 for feeding gas to the gas meter to be detected, and in the embodiment, the bell-type gas flow standard device 1 is composed of a small bell-type gas flow standard device and a large bell-type gas flow standard device 1. The air outlet ends of the small bell-type gas flow standard device 1 and the large bell-type gas flow standard device 1 are communicated with an air inlet pipe 2, the air inlet pipe 2 is provided with a pulse electromagnetic valve 21, the pulse electromagnetic valve 21 is electrically connected with a controller, and a float valve 3 is communicated between the bell-type gas flow standard device 1 and the air inlet pipe 2. The controller can adopt a PLC controller, the gas outlet end of the gas meter is communicated with a gas outlet pipe 4, and the gas outlet pipe 4 is communicated with a high-speed valve 41. The discharge of the redundant gas into the atmosphere is realized.
With continued reference to fig. 1, the gas inlet pipe 2 includes a first branch pipe 22 and a second branch pipe 23, the first branch pipe 22 is communicated with a first electromagnetic valve 221 and a second electromagnetic valve 222, the second branch pipe 23 is communicated with a third electromagnetic valve 231 and a fourth electromagnetic valve 232, the gas inlet end of the gas meter is communicated with the pipeline between the first electromagnetic valve 221 and the second electromagnetic valve 222, and the gas outlet pipe 4 is communicated with the pipeline between the third electromagnetic valve 231 and the fourth electromagnetic valve 232. The controller is connected to the first solenoid valve 221, the second solenoid valve 222, the third solenoid valve 231, and the fourth solenoid valve 232 to control the on/off of the first solenoid valve 221, the second solenoid valve 222, the third solenoid valve 231, and the fourth solenoid valve 232.
In the application, by first solenoid valve 221, second solenoid valve 222, third solenoid valve 231 and fourth solenoid valve 232 of controller control, when detecting the gas meter admission, first solenoid valve 221 of controller control is opened, close second solenoid valve 222 and third solenoid valve 231 simultaneously, the air lets in the inlet end of gas meter through intake pipe 2, open fourth solenoid valve 232 air outflow to the atmosphere in, realize the open and close control to 2 ways of intake pipe, the degree of automated control has been improved.
Referring to fig. 2, the inlet end of the bell-type gas flow standard device 1 is communicated with a vent pipe 5, and one end of the vent pipe 5, which is far away from the bell-type gas flow standard device 1, is communicated with a fan 6. For making things convenient for the staff to install fan 6 and breather pipe 5, the one end that breather pipe 5 is close to fan 6 is connected with quick-operation joint 51, and fan 6's air-out end is connected with quick-operation joint 61, quick-operation joint 51 and the cooperation of quick-operation joint 61 joint. Be provided with the sealed 7 of silica gel pad between quick-operation joint 51 and the quick-operation interface 61, when quick-operation joint 51 and quick-operation interface 61 joint, the sealed 7 of silica gel pad produced deformation, realizes sealed between fan 6 and the breather pipe 5. A control valve 52 is communicated on a pipe body communicated between the vent pipe 5 and the air inlet end of the bell-type gas flow standard device 1, so that the gas can be conveniently controlled to enter the bell-type gas flow standard device 1.
The implementation principle of the embodiment of the application is as follows: in the process of detecting the gas meter, the controller controls the pulse electromagnetic valve 21 to be opened for multiple times, and the gas meter reading and the meter coefficient value of the bell-type gas detection device within the interval opening time of the pulse electromagnetic valve 21 are detected, so that the dynamic detection of the gas meter value is realized, and the accuracy of gas meter detection is improved.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a gas table pulsed detecting system which characterized in that: the gas flow measuring device comprises a bell-type gas flow standard device (1) used for feeding gas to a gas meter to be measured, wherein a gas inlet pipe (2) is communicated between the gas outlet end of the bell-type gas flow standard device (1) and the gas inlet end of the gas meter, a pulse electromagnetic valve (21) is arranged on the gas inlet pipe (2), the pulse electromagnetic valve (21) is electrically connected to a controller, and the gas outlet end of the gas meter is communicated with a gas outlet pipe (4).
2. The pulsed detection system for a gas meter according to claim 1, characterized in that: the gas inlet pipe (2) comprises a first branch pipe (22) and a second branch pipe (23), a first electromagnetic valve (221) and a second electromagnetic valve (222) are arranged on the first branch pipe (22), a third electromagnetic valve (231) and a fourth electromagnetic valve (232) are arranged on the second branch pipe (23), the gas inlet end of the gas meter is communicated with a pipeline between the first electromagnetic valve (221) and the second electromagnetic valve (222), and the gas outlet pipe (4) is communicated with a pipeline between the third electromagnetic valve (231) and the fourth electromagnetic valve (232);
the controller is in control connection with the first electromagnetic valve (221), the second electromagnetic valve (222), the third electromagnetic valve (231) and the fourth electromagnetic valve (232).
3. The pulsed detection system for a gas meter according to claim 1, characterized in that: the air outlet pipe (4) is communicated with a high-speed valve (41).
4. The pulsed detection system for a gas meter according to claim 1, characterized in that: a float valve (3) is communicated between the bell-type gas flow standard device (1) and the gas inlet pipe (2).
5. The pulsed detection system for a gas meter according to claim 1, characterized in that: the air inlet end of the bell-type gas flow standard device (1) is communicated with a vent pipe (5), and one end, deviating from the bell-type gas flow standard device (1), of the vent pipe (5) is communicated with a fan (6).
6. The pulsed detection system for a gas meter according to claim 5, characterized in that: one end of the ventilating pipe (5) close to the fan (6) is provided with a quick connector (51), the air outlet end of the fan (6) is provided with a quick connector (61), and the quick connector (51) is in clamping fit with the quick connector (61).
7. The pulsed detection system for a gas meter according to claim 6, characterized in that: and a silica gel sealing gasket (7) is arranged between the quick connector (51) and the quick connector (61).
8. The pulsed detection system for a gas meter according to claim 5, characterized in that: and a control valve (52) is arranged on a pipe body communicated between the vent pipe (5) and the air inlet end of the bell-type gas flow standard device (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121321351.4U CN215491994U (en) | 2021-06-15 | 2021-06-15 | Pulse type detection system for gas meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121321351.4U CN215491994U (en) | 2021-06-15 | 2021-06-15 | Pulse type detection system for gas meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215491994U true CN215491994U (en) | 2022-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121321351.4U Active CN215491994U (en) | 2021-06-15 | 2021-06-15 | Pulse type detection system for gas meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215491994U (en) |
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2021
- 2021-06-15 CN CN202121321351.4U patent/CN215491994U/en active Active
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