CN209198422U - A kind of calibration system of mono-/bis-detection of gas warning device - Google Patents
A kind of calibration system of mono-/bis-detection of gas warning device Download PDFInfo
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- CN209198422U CN209198422U CN201821869658.6U CN201821869658U CN209198422U CN 209198422 U CN209198422 U CN 209198422U CN 201821869658 U CN201821869658 U CN 201821869658U CN 209198422 U CN209198422 U CN 209198422U
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Abstract
The utility model discloses a kind of calibration systems of mono-/bis-detection of gas warning device, including three gas cylinders, gas mass flow controller, mixed gas demarcating module, the measuring instrument of testing gas concentration, computer control, exhaust emissions recovery controller, three gas cylinders are respectively the gas cylinder that Standard Gases A is housed, gas cylinder equipped with Standard Gases B, gas cylinder equipped with zero gas, three gas cylinders introduce gas into mixed gas demarcating module, the measuring instrument is connect with mixed gas demarcating module, the test measuring instrument carries out data transmission with computer control, the computer control carries out data transmission with gas mass flow controller, the gas mass flow controller controls the valve of three gas cylinders, this calibration system supports a cabinet to realize mono-/bis-Demarcate Gas, the circulation of one subline is completed, flexibility is high, efficiency Height, this calibration system support concentration to prepare in real time, and without storing the Standard Gases of various concentration in advance, precision is high, save cost.
Description
Technical field
The utility model belongs to combustion gas detection alarm apparatus field more particularly to a kind of mono-/bis-detection of gas warning device
Calibration system.
Background technique
Currently, with the continuous improvement of science and technology, residential communities, family's gas-fired equipment is gradually to intelligent, digitlization
Direction is developed, and in recent years, more and more intelligent equipments are applied in residential communities.
Currently, the commercial gas concentration purchased in the market is limited, the gas of some certain concentrations can not from the market directly
It purchases, user must store a large amount of various concentrations, different types of gas, and stock cost is big.It is frequently necessary in calibration process
The gas of various concentration, using traditional method, a cabinet short time can only store a kind of gas, low efficiency.Traditional gas is visited
The calibration system majority for surveying warning device carries out gas importing using manual operation, and precision is insufficient, it is difficult to meet used at present
It is required that.
Application No. is CN200410009690.3, the applyings date are as follows: 20041020, title are as follows: electric-controlled natural gas engine
In the patent of calibration system and control method, a kind of electric-controlled natural gas engine calibration system and control method are disclosed, it is automatically controlled
Natural gas engine calibration system is by electronic control unit, PC machine, test-bed monitoring cabinet and multiple sensors and actuator institute group
At, sensor have air inlet pressure sensor, synchronous signal sensor, lambda sensor, intake air temperature sensor, water temperature sensor,
Valve position sensor, speed probe, actuator have injection valve, igniter and idle speed bypass valve, and above-mentioned sensor connects
It is connected to natural gas engine, signal is transmitted to electronic control unit by conversion, actuator is connected to electronic control unit and natural gas engine
Between machine, the control signal that electronic control unit is issued is acted by actuator, controls natural gas engine；Monitoring cabinet connects measurement of power
Machine, discharge instrument and gas meter, electronic control unit are connect with PC machine.It can be imitated convenient for the accuracy and calibration for improving calibration
Rate, reduces number and the time of engine test, and calibrated natural gas engine is made to have the performance optimized.
Summary of the invention
The purpose of this utility model is exactly to provide a kind of mono-/bis-gas to overcome the problems of the above-mentioned prior art
The calibration system of detection alarm equipment
The purpose of the utility model can be achieved through the following technical solutions:
A kind of calibration system of mono-/bis-detection of gas warning device, including three gas cylinders, gas mass flow controller,
Mixed gas demarcating module, the measuring instrument of testing gas concentration, computer control, exhaust emissions recovery controller, three gas
Bottle is respectively gas cylinder, the gas cylinder equipped with Standard Gases B, the gas cylinder equipped with zero gas equipped with Standard Gases A, and three gas cylinders are by gas
It is imported into mixed gas demarcating module, the measuring instrument is connect with mixed gas demarcating module, the test measuring instrument and computer control
Carry out data transmission, the computer control carries out data transmission with gas mass flow controller, the gas mass flow
Amount controller controls the valve of three gas cylinders.
Preferably, the calibration system further includes exhaust emissions recovery controller, the exhaust emissions recovery controller with
Mixed gas demarcating module connection, the computer control carry out data transmission with mixed gas demarcating module.
Preferably, the mixed gas demarcating module includes calibration cabinet, and the calibration cabinet is connect with three gas cylinders, institute
Calibration cabinet is stated to connect with exhaust emissions recovery controller.
Preferably, the measuring instrument includes temperature sensor module, and the temperature sensor module is connect with calibration cabinet.
Preferably, the measuring instrument includes moisture sensor module, and the moisture sensor module is connect with calibration cabinet.
Preferably, the mixed gas demarcating module includes mixed air fan.
Preferably, zero gas bag includes High Purity Nitrogen.
The utility model has the beneficial effects that
1. calibration system supports a cabinet to realize mono-/bis-Demarcate Gas, subline circulation is completed, flexibility height,
It is high-efficient.
2. calibration system supports concentration to prepare in real time, without storing the Standard Gases of various concentration in advance, cost is saved.
3. the gas concentration of calibration system configuration passes through sensor precise measurement, computer control automatic adjustment stream
Amount realizes distribution closed-loop control, and higher than traditional artificial distribution precision, exhaust emissions is controlled by computer automation.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the calibration system of mono-/bis-detection of gas warning device.
Specific embodiment
In conjunction with shown in attached drawing, the technical solution of the utility model is further described:
A kind of calibration system of mono-/bis-detection of gas warning device, including three gas cylinders, gas mass flow controller,
Mixed gas demarcating module, the measuring instrument of testing gas concentration, computer control, exhaust emissions recovery controller, three gas
Bottle is respectively gas cylinder, the gas cylinder equipped with Standard Gases B, the gas cylinder equipped with zero gas equipped with Standard Gases A, and three gas cylinders are by gas
It is imported into mixed gas demarcating module, the measuring instrument is connect with mixed gas demarcating module, the test measuring instrument and computer control
Carry out data transmission, the computer control carries out data transmission with gas mass flow controller, the gas mass flow
Amount controller controls the valve of three gas cylinders.
In the present embodiment, it is preferred that the calibration system further includes exhaust emissions recovery controller, and the exhaust emissions returns
Admission controller is connect with mixed gas demarcating module, and the computer control carries out data transmission with mixed gas demarcating module.
In the present embodiment, it is preferred that the mixed gas demarcating module includes calibration cabinet, the calibration cabinet and described three
Gas cylinder connection, the calibration cabinet are connect with exhaust emissions recovery controller.
In the present embodiment, it is preferred that the measuring instrument includes temperature sensor module, the temperature sensor module and mark
Determine cabinet connection.
In the present embodiment, it is preferred that the measuring instrument includes moisture sensor module, the moisture sensor module and mark
Determine cabinet connection.
In the present embodiment, it is preferred that the mixed gas demarcating module includes mixed air fan.
In the present embodiment, it is preferred that zero gas bag includes High Purity Nitrogen.
Upper computer software interface input gaseous species and aimed concn C0 of the user in computer control, start to match
Gas.
Computer control obtains the temperature humidity and gas that housing environment is demarcated in mixed gas demarcating module by measuring instrument
Concentration C 1, works as C0 > C1, and computer control issues a command to gas mass flow controller, gas mass flow controller selection
It opens corresponding gas cylinder valve to start to import Standard Gases A, Standard Gases B, zero gas, the boot speed of Standard Gases should be big in the process at this time
In zero gas.
Mixed air fan in mixed gas demarcating module is in running order, passes through measuring instrument by well-mixed object gas
Data acquisition, Real-time Feedback is to computer control in collected data procedures.
As C0 < C1, computer control issues a command to gas mass flow controller, gas mass flow controller selection
It opens respective valves to start to import Standard Gases, Standard Gases, zero gas, the boot speed of Standard Gases should be less than zero in the process at this time
Gas.
Work as C0=C1, computer control sends instructions to gas mass flow controller, while cutting off Standard Gases A, mark
The gas cylinder valve of quasi- gas B, zero gas, at this point, distribution work is completed.Associated gas sensor module in calibration cabinet can start
Staking-out work is carried out, after calibration is completed, computer control sends instructions to exhaust emissions recovery controller, starts to take mark away
Determine the object gas in cabinet.
When user needs to repeat various concentration distribution (more Demarcate Gas), aforesaid operations are repeated.
Finally, it should be noted that above embodiments are only to illustrate rather than limit the technical solution of the utility model, although
The utility model is described in detail referring to above-described embodiment, those skilled in the art should understand that: still may be used
To be modified or replaced equivalently to the utility model, without departing from the spirit and scope of the utility model, and appended right
It is required that being intended to these modifications fallen into the spirit and scope of the utility model or equivalent replacement.
Claims (7)
1. a kind of calibration system of mono-/bis-detection of gas warning device, it is characterised in that: including three gas cylinders, gas mass flow
Amount controller, mixed gas demarcating module, the measuring instrument of testing gas concentration, computer control, exhaust emissions recovery controller, institute
Stating three gas cylinders is respectively the gas cylinder, the gas cylinder equipped with Standard Gases B, the gas cylinder equipped with zero gas that Standard Gases A is housed, three gas
Bottle introduces gas into mixed gas demarcating module, and the measuring instrument is connect with mixed gas demarcating module, the measuring instrument and computer control
Device processed carries out data transmission, and the computer control carries out data transmission with gas mass flow controller, the gas matter
Amount flow controller controls the valve of three gas cylinders.
2. calibration system as described in claim 1, it is characterised in that: the calibration system further includes exhaust emissions recycling control
Device, the exhaust emissions recovery controller are connect with mixed gas demarcating module, the computer control and mixed gas demarcating module into
The transmission of row data.
3. calibration system as described in claim 1, it is characterised in that: the mixed gas demarcating module includes calibration cabinet, described
Calibration cabinet is connect with three gas cylinders, and the calibration cabinet is connect with exhaust emissions recovery controller.
4. calibration system as described in claim 1, it is characterised in that: the measuring instrument includes temperature sensor module, described
Temperature sensor module is connect with calibration cabinet.
5. calibration system as described in claim 1, it is characterised in that: the measuring instrument includes moisture sensor module, described
Moisture sensor module is connect with calibration cabinet.
6. calibration system as described in claim 1, it is characterised in that: the mixed gas demarcating module includes mixed air fan.
7. calibration system as described in claim 1, it is characterised in that: zero gas bag includes High Purity Nitrogen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821869658.6U CN209198422U (en) | 2018-11-13 | 2018-11-13 | A kind of calibration system of mono-/bis-detection of gas warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821869658.6U CN209198422U (en) | 2018-11-13 | 2018-11-13 | A kind of calibration system of mono-/bis-detection of gas warning device |
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| CN209198422U true CN209198422U (en) | 2019-08-02 |
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| CN201821869658.6U Active CN209198422U (en) | 2018-11-13 | 2018-11-13 | A kind of calibration system of mono-/bis-detection of gas warning device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110470800A (en) * | 2019-08-27 | 2019-11-19 | 武汉科技大学 | A kind of air distribution system and method for NOx sensor calibration |
| CN110736769A (en) * | 2019-09-05 | 2020-01-31 | 金卡智能集团股份有限公司 | Automatic calibration device and method for gas alarm |
| CN112147282A (en) * | 2020-09-14 | 2020-12-29 | 北京航天试验技术研究所 | Concentration sensor calibration device and calibration method |
| CN112782357A (en) * | 2020-12-22 | 2021-05-11 | 汉威科技集团股份有限公司 | Automatic calibration method and device for gas sensor |
| CN113161265A (en) * | 2021-04-16 | 2021-07-23 | 北京北方华创微电子装备有限公司 | Gas concentration control method, gas concentration control device, and semiconductor device |
-
2018
- 2018-11-13 CN CN201821869658.6U patent/CN209198422U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110470800A (en) * | 2019-08-27 | 2019-11-19 | 武汉科技大学 | A kind of air distribution system and method for NOx sensor calibration |
| CN110736769A (en) * | 2019-09-05 | 2020-01-31 | 金卡智能集团股份有限公司 | Automatic calibration device and method for gas alarm |
| CN110736769B (en) * | 2019-09-05 | 2022-10-14 | 金卡智能集团股份有限公司 | Automatic calibration device and method for gas alarm |
| CN112147282A (en) * | 2020-09-14 | 2020-12-29 | 北京航天试验技术研究所 | Concentration sensor calibration device and calibration method |
| CN112782357A (en) * | 2020-12-22 | 2021-05-11 | 汉威科技集团股份有限公司 | Automatic calibration method and device for gas sensor |
| CN113161265A (en) * | 2021-04-16 | 2021-07-23 | 北京北方华创微电子装备有限公司 | Gas concentration control method, gas concentration control device, and semiconductor device |
| CN113161265B (en) * | 2021-04-16 | 2024-04-16 | 北京北方华创微电子装备有限公司 | Gas concentration control method, gas concentration control device and semiconductor device |
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