CN209485505U - A kind of gas flowmeter detects running gear automatically - Google Patents
A kind of gas flowmeter detects running gear automatically Download PDFInfo
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- CN209485505U CN209485505U CN201920448571.XU CN201920448571U CN209485505U CN 209485505 U CN209485505 U CN 209485505U CN 201920448571 U CN201920448571 U CN 201920448571U CN 209485505 U CN209485505 U CN 209485505U
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Abstract
A kind of gas flowmeter detects running gear automatically.It includes Laboratory Module and control system, and control system includes controller and temperature control modules connected to the controller, humidity control module and flow-control module, and Laboratory Module passes through epidemic disaster in epidemic disaster control module adjusting cabin；The input terminal of flow-control module and gas pipeline connection, for controlling the air flow condition in gas pipeline；Experimental channel connection in the output end and Laboratory Module of gas pipeline, under test gas flowmeter are set on experimental channel.The utility model simulates the epidemic disaster of site environment by Laboratory Module, air flow condition is simulated according to actual use situation, improve the use intensity of gas flowmeter, expose the potential failure of gas flowmeter ahead of time, it solves ahead of time, the reliability for helping to improve gas flowmeter eliminates product incipient fault before listing, prevents flowmeter the problem of sale can largely break down after a period of use.
Description
Technical field
The utility model relates to degradation detecting device, in particular to the full-automatic ageing management of a kind of gas flowmeter fills
It sets.
Background technique
A kind of high efficient energy sources of the natural gas as cleaning, low emission, develop in China, associated day on a large scale
Right air-flow meter is also used widely in all trades and professions.Natural gas flowmeter use environment is also to become increasingly complex.Gas
Flowmeter producer test condition and production environment are excessively single, have been unable to satisfy the test request of market complexity.Therefore, gas stream
Meter often have it is normal when factory, be installed to scene operation after occur as soon as a large amount of failures quickly.
In recent years, failure problems are furtherd investigate with people with the rapid development of electronic technology, be the discovery that due to
Caused by the test environment of producer is different from use environment.Existing gas flowmeter ageing tester is general only to flowmeter
Correction instrument mainboard carry out burn-in test, the device of comprehensive burn-in test is not carried out to complete machine.Complete machine burn-in test master at present
Two kinds: 1. complete machines are wanted to be mounted on the operation of outdoor environment long durability, this method disadvantage: a, effect are unobvious, b, specific aim
It is not strong.2. complete machine is sent it to the market scene of carrying out and tried out, this method disadvantage: a, test period are long；B, the event occurred to flowmeter
Barrier analysis is difficult；C, costly.
Utility model content
In order to solve the problems, such as that existing gas flowmeter burn-in test can not find failure, this reality in time in background technique
With a kind of novel automatic detection operation dress for providing analog and reinforce outdoor environment, carry out burn-in test to gas flowmeter
It sets.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of gas flowmeter detects operation automatically
Device, including Laboratory Module and control system, the control system include controller and the temperature connecting with controller control
Module, humidity control module and flow-control module, the Laboratory Module pass through the temperature control modules and humidity control module
Temperature and humidity in adjusting cabin；The input terminal of the flow-control module and gas pipeline connection, for controlling gas pipeline
Interior air flow condition；The output end of the gas pipeline is connect with the experimental channel in the Laboratory Module, under test gas flowmeter
On the experimental channel.
The temperature control modules include temperature sensor and temperature treating units, and the humidity control module includes humidity
Sensor and humidity processing unit, the temperature sensor, humidity sensor are used to detect the epidemic disaster in the Laboratory Module
Data；The temperature treating units, humidity processing unit include that heating unit, refrigeration unit, humidifying unit and dehumidifying are single
Member, the temperature sensor and humidity processing unit inside pipeline and the Laboratory Module by being connected to.
The control system further includes circulating fan, and the circulating fan is set to inside the Laboratory Module.
The upside of the Laboratory Module inner wall is equipped with bracket, and the circulating fan is set on the bracket.
The flow-control module includes flow fan, frequency converter and regulating valve, the output end of the flow fan and institute
Gas pipeline connection is stated, the output end of the frequency converter is connect with the motor of the flow fan, and the regulating valve is set to described
On gas pipeline.
Proving flowmeter is additionally provided on the gas pipeline.
Under test gas flow count number on the experimental channel is 1 or more.
The control system further includes flow meter data acquisition unit, the flow meter data acquisition unit include electric current/
Voltage collection circuit and RS485 acquisition module.
The beneficial effects of the utility model are: the utility model simulates the temperature and humidity of site environment by Laboratory Module, according to
It actually uses situation and simulates air flow condition, improve the use intensity of gas flowmeter, make the potential failure of gas flowmeter
It exposes, solves ahead of time ahead of time, help to improve the reliability of gas flowmeter, product incipient fault is eliminated in listing
Before, prevent flowmeter the problem of sale can largely break down after a period of use.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model embodiment.
Fig. 2 is the functional block diagram of the utility model embodiment.
Specific embodiment
The utility model embodiment is described further with reference to the accompanying drawing:
In the utility model embodiment, a kind of gas flowmeter detects running gear, including Laboratory Module 1 and control system automatically
System, the control system include controller 2 and the temperature control modules being connect with the controller 30, humidity control module 31 and
Flow-control module 4, the Laboratory Module 1 by temperature in the temperature control modules 30,31 adjusting cabin of humidity control module and
Humidity；The flow-control module 4 is connect with the input terminal of gas pipeline 5, for controlling the air flow condition in gas pipeline；Institute
The output end for stating gas pipeline 5 is connect with the experimental channel 6 in the Laboratory Module 1, and under test gas flowmeter 7 is set to the experiment
On pipeline 6.
The controller 2 is PLC system, when detecting, operator by the data input controller 2 of conditions for equipment use,
Sending coherent signal by controller 2 adjusts temperature control modules and humidity control module by the temperature and humidity in Laboratory Module
To specified range, flow-control module is made to input the air-flow of specified intensity in gas pipeline, to simulate making for Different field
Use state.
Further, the temperature control modules 30 include temperature sensor and temperature treating units, humidity control module
31 include humidity sensor and humidity processing unit, and the temperature and relative humidity is warm, wet in the Laboratory Module for detecting
Degree evidence, by temperature and relative humidity by Laboratory Module real time temperature and humidity feed back to controller, to allow the controller to
In time, indoor environment data are dynamically controlled；The temperature treating units include heating unit (heater), refrigeration unit (system
Cooler), the humidity processing unit includes humidifying unit (humidifier) and Dehumidifying element (dehumidifier), the epidemic disaster
Processing unit by being connected to inside pipeline and the Laboratory Module 1, by heating unit, refrigeration unit be passed through out of pipeline hot gas or
Cold air realizes the control of temperature, and moist gas or gas bleeding hydrofuge are passed through by humidifying unit and Dehumidifying element, realizes wet
The control of degree.
Further, the control system further includes circulating fan 8, and the upside of 1 inner wall of Laboratory Module is equipped with bracket 9,
The circulating fan 8 is set on the bracket 9, so that humidity and temperature in Laboratory Module is accelerated equiblibrium mass distribution by circulating fan 8.
The flow-control module 4 include flow fan 10, frequency converter 11 and regulating valve 12, the flow fan 10 it is defeated
Outlet is connect with the gas pipeline 5, and the output end of the frequency converter 11 is connect with the motor of the flow fan 10, the tune
Valve 12 is saved to be set on the gas pipeline 5.Controller 2 controls frequency converter 11 and output 4-20mA signal by output frequency signal
Valve 12 is controlled to adjust, the motor speed of flow fan 10 is controlled by frequency converter 11, the coarse adjustment to gas flow is realized, passes through adjusting
The size that valve 12 adjusts gas pipeline 5 realizes the fine tuning to gas flow, and the flow in gas pipeline is made to operate in the stream of setting
Magnitude.
Proving flowmeter 13 is additionally provided on the gas pipeline 5.Standard is obtained by the calibrating gas flowmeter 13 of setting
Gas flow values as reference, keep experimentation, experimental result more reliable.
Under test gas flow count number on the experimental channel 6 is 1 or more, can carry out more gas flowmeters simultaneously
Detection, detection efficiency is higher.More under test gas flowmeters can be set on an experimental channel 6 simultaneously, in another embodiment
In, experimental channel 6 can be divided into more branch pipes, and under test gas flowmeter is arranged on each branch pipe and realizes while detecting.
The control system further includes flow meter data acquisition unit, the flow meter data acquisition unit include electric current/
Voltage collection circuit and RS485 acquisition module.Controller sends acquisition life to Design of Flowmeters Data Acquisition System by communication interface
It enables, acquires the critical operational parameters of gas flowmeter, such as: current/voltage Acquisition Circuit acquires the current/voltage of flowmeter and leads to
The key parameters such as temperature, pressure and the flow of RS485 communication analysis of data collected flowmeter are crossed, and according to acquisition data, production
Run detection data report.
A kind of gas flowmeter of the utility model detects running gear automatically, according to gas flowmeter will use occasion
Temperature, humidity variation and operation when uninterrupted variation, formulate a dynamic, multiple stages modified flow, such as
Temperature Tn can be from -25 DEG C to 80 DEG C, and humidity RHn can be from 2 to 98, and the flow Qn of gas flowmeter can be from 0 to the bore
Maximum stream flow, the transformation period of the transformation period t(simulation climate in each stage) can from 1 minute to tens hour, root
According to entire detection time be arranged cycle of operation m, thus carry out circular flow in cycles, while during whole service not between
Disconnected acquisition gas flowmeter operation data records overall process by system intellectual analysis flowmeter performance, and produces flowmeter
Can and changing environment variation diagram, the problem of occurring that gas flowmeter under certain environment early with exposure, solves ahead of time, mentions
The reliability of high gas flowmeter.
Every technical staff's notice: although the utility model is described according to above-mentioned specific embodiment, this
The invention thought of utility model is not limited to that utility model, and any repacking with inventive concept will all be included in this specially
In sharp scope of patent protection.
Claims (8)
1. a kind of gas flowmeter detects running gear automatically, it is characterised in that: described including Laboratory Module (1) and control system
Control system includes controller (2) and the temperature control modules (30) connecting with the controller (2), humidity control module (31)
With flow-control module (4), the Laboratory Module (1) is adjusted by the temperature control modules (30) and humidity control module (31)
Temperature and humidity in cabin；The flow-control module (4) connect with the input terminal of gas pipeline (5), for controlling flue
Air flow condition in road；The output end of the gas pipeline (5) is connect with the experimental channel (6) in the Laboratory Module (1), to be measured
Gas flowmeter (7) is set on the experimental channel (6).
2. a kind of gas flowmeter according to claim 1 detects running gear automatically, it is characterised in that: the temperature control
Molding block (30) includes temperature sensor and temperature treating units, and the humidity control module (31) includes humidity sensor and wet
Processing unit is spent, the temperature sensor, humidity sensor are used to detect the epidemic disaster data in the Laboratory Module；It is described
Temperature treating units, humidity processing unit include heating unit, refrigeration unit, humidifying unit and Dehumidifying element, the temperature
Degree sensor and humidity processing unit inside pipeline and the Laboratory Module (1) by being connected to.
3. a kind of gas flowmeter according to claim 1 or 2 detects running gear automatically, it is characterised in that: the control
System processed further includes circulating fan (8), and it is internal that the circulating fan (8) is set to the Laboratory Module (1).
4. a kind of gas flowmeter according to claim 3 detects running gear automatically, it is characterised in that: the Laboratory Module
(1) upside of inner wall is equipped with bracket (9), and the circulating fan (8) is set on the bracket (9).
5. a kind of gas flowmeter according to claim 1 detects running gear automatically, it is characterised in that: the flow control
Molding block (4) includes flow fan (10), frequency converter (11) and regulating valve (12), the output end of the flow fan (10) and institute
Gas pipeline (5) connection is stated, the output end of the frequency converter (11) is connect with the motor of the flow fan (10), the adjusting
Valve (12) is set on the gas pipeline (5).
6. a kind of gas flowmeter according to claim 1 detects running gear automatically, it is characterised in that: the flue
Proving flowmeter (13) are additionally provided on road (5).
7. a kind of gas flowmeter according to claim 1 detects running gear automatically, it is characterised in that: the experiment tube
Under test gas flow count number on road (6) is 1 or more.
8. a kind of gas flowmeter according to claim 1 detects running gear automatically, it is characterised in that: the control system
System further includes flow meter data acquisition unit, and the flow meter data acquisition unit includes current/voltage Acquisition Circuit and RS485
Acquisition module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920448571.XU CN209485505U (en) | 2019-04-04 | 2019-04-04 | A kind of gas flowmeter detects running gear automatically |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920448571.XU CN209485505U (en) | 2019-04-04 | 2019-04-04 | A kind of gas flowmeter detects running gear automatically |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209485505U true CN209485505U (en) | 2019-10-11 |
Family
ID=68135076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920448571.XU Active CN209485505U (en) | 2019-04-04 | 2019-04-04 | A kind of gas flowmeter detects running gear automatically |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209485505U (en) |
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2019
- 2019-04-04 CN CN201920448571.XU patent/CN209485505U/en active Active
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