CN212082543U - Device for detecting durability of gas flow meter - Google Patents
Device for detecting durability of gas flow meter Download PDFInfo
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- CN212082543U CN212082543U CN202021189588.7U CN202021189588U CN212082543U CN 212082543 U CN212082543 U CN 212082543U CN 202021189588 U CN202021189588 U CN 202021189588U CN 212082543 U CN212082543 U CN 212082543U
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Abstract
The utility model provides a device for detecting the durability of a gas flow instrument, which comprises a gas source, a linkage valve, a surge tank, a booster fan, a connecting pipeline, a detection pipeline and a diffusing pipe; the gas source adopts a high-pressure tank body, a gas outlet of the high-pressure tank body is sequentially communicated with a pressure stabilizing tank and a booster fan through a connecting pipeline, a gas outlet of the booster fan is communicated with a detection pipeline, a diffusing pipe and a meter clamping mechanism are arranged on the detection pipeline, and the gas outlet of the detection pipeline is communicated with the high-pressure tank body through the connecting pipeline; a detect device of gas flow instrument durability, the air supply is the natural gas, and can provide the natural gas of pressure stability for being examined gas flow instrument through surge tank and booster fan, guarantee to be examined the measuring environment and the operational environment of flow instrument the same as far as possible, improved the reliability of testing result.
Description
Technical Field
The utility model relates to a gas table detection area especially relates to a detect device of gas flow meter durability.
Background
At present, various flow meters for gas metering are available, including diaphragm gas meters, ultrasonic gas meters, waist wheel flow meters, turbine flow meters and the like, and when durability of the gas meters is tested according to standards, a fan is adopted, a pipeline is connected with a to-be-tested meter, and durability detection is carried out by utilizing air at the maximum flow rate.
However, the above detection apparatus has the following drawbacks:
firstly, the detection device can only detect the durability of a gas flow meter with one caliber specification, and the application range is limited greatly;
secondly, the gas source used by the detection device is air, and the air is greatly different from gas components, so that the use state of the gas flow meter in the actual working environment cannot be detected;
moreover, the detection device utilizes the fan to detect the gas flow meter at the maximum flow rate, and cannot detect the use state of the gas flow meter in the actual working environment.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a detect device of gas flow instrument durability for overcome the background art in the defect that current detection device exists.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a device for detecting the durability of a gas flow instrument comprises a gas source, a linkage valve, a pressure stabilizing tank, a booster fan, a connecting pipeline, a detection pipeline and a diffusion pipe;
the gas source adopts a high-pressure tank body, and the high-pressure tank body is communicated with a natural gas supply pipeline and is used for providing natural gas for the detected gas flow instrument;
the gas outlet of the high-pressure tank body is sequentially communicated with the pressure stabilizing tank and the booster fan through a connecting pipeline, the gas outlet of the booster fan is communicated with a detection pipeline, a diffusing pipe and a meter clamping mechanism are arranged on the detection pipeline, and the meter clamping mechanism is used for clamping a detected gas flow meter; the gas outlet of the detection pipeline is communicated with the high-pressure tank body through a connecting pipeline and is used for communicating the detection pipeline with a manual ball valve is arranged on the connecting pipeline of the high-pressure tank body.
The device also comprises a linkage valve control mechanism; the linkage valve control mechanism comprises a first microprocessor, a combustible gas sensor and a linkage valve control circuit; the combustible gas sensor is arranged above the linkage valve and used for detecting the concentration of combustible gas in the air, and the output end of the combustible gas sensor is connected with the input end of the first microprocessor; and the output end of the first microprocessor controls the action of the linkage valve through the linkage valve control circuit.
The detection pipeline comprises a detection main pipeline and a plurality of detection branch pipelines with different calibers communicated with the detection main pipeline, a diffusing pipe is arranged on the detection main pipeline, and each detection branch pipeline is provided with a meter clamping mechanism.
The timing mechanism comprises a second microprocessor, a timer and a booster fan control circuit; the timer is used for setting the working time of the booster fan, the output end of the timer is connected with the input end of the second microprocessor, and the output end of the second microprocessor controls whether the booster fan acts or not through the booster fan control circuit.
The device also comprises a remote control mechanism; the remote control mechanism comprises a remote transceiving module and a remote computer, wherein the input end of the remote transceiving module is connected with the output end of the detected gas flow instrument, and the output end of the remote transceiving module is connected with the remote computer.
The utility model has the advantages that:
firstly, the gas source of the device for detecting the durability of the gas flow instrument is natural gas, and the natural gas with stable pressure can be provided for the gas flow instrument to be detected through the surge tank and the booster fan, so that the detection environment and the working environment of the gas flow instrument to be detected are ensured to be the same as much as possible, and the reliability of the detection result is improved;
secondly, the device for detecting the durability of the gas flow meter is provided with the linkage valve control mechanism, if the natural gas leaks, whether the device is on duty or not, the gas supply of the gas source can be cut off through the linkage valve, and the leaked combustible gas is prevented from reaching a certain concentration and exploding;
furthermore, the device for detecting the durability of the gas flow meter is provided with the timing mechanism, so that the booster fan is prevented from being overloaded and damaged due to long-term operation;
finally, a detect device of gas flow instrument durability, set up remote control mechanism, can satisfy the staff and observe, look back the demand of record through remote computer.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1: the utility model relates to a device for detecting the durability of a gas flow instrument, which comprises a gas source, a linkage valve 3, a pressure stabilizing tank 4, a booster fan 5, a connecting pipeline, a detection pipeline and a diffusing pipe 6; the gas source adopts a high-pressure tank body 2, and the high-pressure tank body 2 is communicated with a natural gas supply pipeline 1 and is used for providing natural gas for the detected gas flow instrument; the natural gas pipeline can be a civil natural gas pipeline and can also be a special detection gas supply pipeline for a natural gas supply company; the gas outlet of the high-pressure tank body 2 is sequentially communicated with the pressure stabilizing tank 4 and the booster fan 5 through connecting pipelines, the gas outlet of the booster fan 5 is communicated with a detection pipeline, a diffusing pipe 6 and a meter clamping mechanism 8 are arranged on the detection pipeline, and the meter clamping mechanism is used for clamping a detected gas flow meter; the gas outlet of the detection pipeline is communicated with the high-pressure tank body 2 through a connecting pipeline, and a manual ball valve is arranged on the connecting pipeline for communicating the detection pipeline with the high-pressure tank body 2; the pressure stabilizing tank 4 can rectify and stabilize the natural gas output by the high-pressure tank body 2, so that the pressure of the natural gas flowing through the detected gas flow meter is stable, and the reliability of a detection result is further ensured; the booster fan 5 can provide stable natural gas pressure for the detected gas flow meter; the arrangement of the diffusing pipe 6 can prevent the natural gas pressure in the connecting pipeline and the air inlet pipeline from being too large, and the diffusing pipe can be manually opened by workers, so that the natural gas can be purified by emptying the air in the connecting pipeline and the detecting pipeline.
Preferably, the device for detecting the durability of the gas flow meter of the utility model further comprises a control mechanism of the linkage valve 3; the linkage valve 3 control mechanism comprises a first microprocessor 10, a combustible gas sensor 11 and a linkage valve 3 control circuit; the combustible gas sensor 11 is arranged above the linkage valve 3 and used for detecting the concentration of combustible gas in air, and the output end of the combustible gas sensor 11 is connected with the input end of the first microprocessor 10; the output end of the first microprocessor 10 controls the action of the linkage valve 3 through the linkage valve 3 control circuit; specifically, the control circuit of the linkage valve 3 can adopt an electromagnetic valve control circuit, a coil of the electromagnetic valve is connected with the output end of a microprocessor through the electromagnetic valve control circuit, a normally closed contact of the electromagnetic valve is connected in series on a power supply loop of the linkage valve 3, when the combustible gas sensor 11 detects that natural gas leaks and reaches a set concentration, a signal is sent to the microprocessor, the output end of the microprocessor outputs a high level signal to electrify the coil of the electromagnetic valve, and further, the normally closed contact of the electromagnetic valve is disconnected, the power supply loop of the linkage valve 3 is disconnected, and the high-pressure tank body 2 does not supply gas for a subordinate mechanism any more; above-mentioned 3 control mechanism of linkage valve's setting can be guaranteed the utility model discloses a when connecting tube or detection pipeline take place the natural gas and leak, can cut off the air feed of the high-pressure tank body 2, prevent the emergence of major safety accidents such as combustible gas explosion, guaranteed staff operational environment's security.
Preferably, the detection pipeline comprises a main detection pipeline 7 and a plurality of detection branch pipelines 9 with different calibers, the detection branch pipelines 9 are communicated with the main detection pipeline 7, the main detection pipeline 7 is provided with a diffusing pipe 6, and each detection branch pipeline 9 is provided with a meter clamping mechanism 8; the setting of a plurality of detection branch pipelines 9 can satisfy the demand that different bore gas flow meters detected simultaneously, the effectual detection efficiency who improves gas flow meter.
Preferably, the device for detecting the durability of the gas flow meter of the present invention further comprises a timing mechanism, wherein the timing mechanism comprises a second microprocessor 12, a timer 13 and a control circuit of the booster fan 5; the timer 13 is used for setting the working time of the booster fan 5, the output end of the timer 13 is connected with the input end of the second microprocessor 12, and the output end of the second microprocessor 12 controls whether the booster fan 5 acts or not through the booster fan 5 control circuit; specifically, the timer 13 is set in a manner of taking two hours as a cycle period, working for 100 minutes and stopping for 20 minutes, so that the condition that the booster fan 5 is overloaded and damaged due to continuous operation is avoided.
Preferably, the device for detecting the durability of the gas flow meter of the present invention further comprises a remote control mechanism; the remote control mechanism comprises a remote transceiving module and a remote computer, wherein the input end of the remote transceiving module is connected with the output end of the detected gas flow instrument, and the output end of the remote transceiving module is connected with the remote computer; the durability detection of the gas flow meter is a long-period process, and workers cannot always observe the gas flow meter on site, so that the requirement that the workers observe and review records through a remote computer can be met by setting the remote control mechanism.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (5)
1. A device for detecting durability of a gas flow meter is characterized in that: comprises an air source, a linkage valve, a pressure stabilizing tank, a booster fan, a connecting pipeline, a detection pipeline and a diffusing pipe;
the gas source adopts a high-pressure tank body, and the high-pressure tank body is communicated with a natural gas supply pipeline and is used for providing natural gas for the detected gas flow instrument;
the gas outlet of the high-pressure tank body is sequentially communicated with the pressure stabilizing tank and the booster fan through a connecting pipeline, the gas outlet of the booster fan is communicated with a detection pipeline, a diffusing pipe and a meter clamping mechanism are arranged on the detection pipeline, and the meter clamping mechanism is used for clamping a detected gas flow meter; the gas outlet of the detection pipeline is communicated with the high-pressure tank body through a connecting pipeline and is used for communicating the detection pipeline with a manual ball valve is arranged on the connecting pipeline of the high-pressure tank body.
2. A device for detecting the durability of a gas flow meter as claimed in claim 1, wherein: the device also comprises a linkage valve control mechanism; the linkage valve control mechanism comprises a first microprocessor, a combustible gas sensor and a linkage valve control circuit; the combustible gas sensor is arranged above the linkage valve and used for detecting the concentration of combustible gas in the air, and the output end of the combustible gas sensor is connected with the input end of the first microprocessor; and the output end of the first microprocessor controls the action of the linkage valve through the linkage valve control circuit.
3. A device for detecting the durability of a gas flow meter as claimed in claim 1, wherein: the detection pipeline comprises a detection main pipeline and a plurality of detection branch pipelines with different calibers communicated with the detection main pipeline, a diffusing pipe is arranged on the detection main pipeline, and each detection branch pipeline is provided with a meter clamping mechanism.
4. A device for detecting the durability of a gas flow meter as claimed in claim 1, wherein: the timing mechanism comprises a second microprocessor, a timer and a booster fan control circuit; the timer is used for setting the working time of the booster fan, the output end of the timer is connected with the input end of the second microprocessor, and the output end of the second microprocessor controls whether the booster fan acts or not through the booster fan control circuit.
5. A device for detecting the durability of a gas flow meter as claimed in claim 1, wherein: the device also comprises a remote control mechanism; the remote control mechanism comprises a remote transceiving module and a remote computer, wherein the input end of the remote transceiving module is connected with the output end of the detected gas flow instrument, and the output end of the remote transceiving module is connected with the remote computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021189588.7U CN212082543U (en) | 2020-06-24 | 2020-06-24 | Device for detecting durability of gas flow meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021189588.7U CN212082543U (en) | 2020-06-24 | 2020-06-24 | Device for detecting durability of gas flow meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212082543U true CN212082543U (en) | 2020-12-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021189588.7U Active CN212082543U (en) | 2020-06-24 | 2020-06-24 | Device for detecting durability of gas flow meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212082543U (en) |
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2020
- 2020-06-24 CN CN202021189588.7U patent/CN212082543U/en active Active
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