CN105911222A - Metrological verification device for ammonia gas detector and metrological verification method thereof - Google Patents
Metrological verification device for ammonia gas detector and metrological verification method thereof Download PDFInfo
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- CN105911222A CN105911222A CN201610239318.4A CN201610239318A CN105911222A CN 105911222 A CN105911222 A CN 105911222A CN 201610239318 A CN201610239318 A CN 201610239318A CN 105911222 A CN105911222 A CN 105911222A
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- ammonia
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- ammonia detector
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0006—Calibrating gas analysers
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Abstract
The invention relates to a metrological verification device for ammonia gas detector and a metrological verification method thereof. The verification device comprises a gas chamber for standard gas concentration to be measured. The gas chamber for standard gas concentration to be measured is respectively provided with a pure ammonia gas inlet, an ammonia gas inlet and a pure air inlet. The gas chamber for standard gas concentration to be measured is respectively connected to a flowmeter and a bypass flowmeter. The flowmeter is connected to an instrument for detection. The bypass flowmeter is connected to a vent nozzle. By the metrological verification device, various quantity-value transferring detection projects of an ammonia gas detector in the JJG1105-2015 'Ammonia Gas Detector' can be greatly completed.
Description
Technical field
The invention belongs to the measurement verification technical field of ammonia detector, be specifically related to a kind of ammonia
Detector metering and calibrating device and measurement and examination method thereof.
Background technology
At present, ammonia detector is for detecting the electronic machine of ammonia concentration in environment.Have
Can carry with, also have plenty of and be arranged on the fixed position being susceptible to ammonia leakage.Work as detection
When in environment, the concentration of ammonia meets or exceeds preset alarming value, ammonia detector can send sound
Light and vibrations alarm signal.It is widely used in all types of machine room of refrigerated warehouse, reality with the presence of ammonia
Test room, ammonia is deposited warehouse etc. and is applied to the industrial site of ammonia, can effectively prevent poisoning,
Explosion accident, ensures life, the safety of property.As a kind of measuring instrument, ammonia detector
Never corresponding national verification code, also just never has the method for calibrating and sentences mark side
Method.The transmission of quantity value of ammonia detector cannot be completed.All ammonia detector from producer
The most just not having mechanism and method to go to evaluate whether after purchase can normally, works accurately.2015
In on April 30, in, State Administration for Quality Supervision and Inspection and Quarantine has issued JJG1105-2015 " ammonia
Gas detector ", it is provided that every Testing index of ammonia detector and sentence mark method.To this end,
Need a kind of ammonia detector metering and calibrating device so that it is can be good at
Detection to the various transmission of quantity value of ammonia detector in JJG1105-2015 " ammonia detector "
Project.
Summary of the invention
It is an object of the invention to provide a kind of ammonia detector metering and calibrating device so that it is can
Well complete the various values to ammonia detector in JJG1105-2015 " ammonia detector "
The detection project of transmission.
For achieving the above object, one aspect of the present invention provides a kind of ammonia detector measurement verification dress
Put, including concentration Standard Gases air chamber to be measured, concentration Standard Gases air chamber to be measured is respectively equipped with ammonia
Pure gas entrance, nitrogen inlet and pure air entrance, concentration Standard Gases air chamber to be measured respectively with stream
Gauge is connected with bypass flow meter, and effusion meter is connected with standby test examination instrument, bypass flow meter with
Drain is connected.
In above scheme preferably, ammonia pure gas entrance, nitrogen inlet and pure air enter
Mouth is connected with first-class gauge, second gauge and the 3rd effusion meter respectively.
It may also be preferred that first-class gauge, second gauge and the 3rd effusion meter respectively with
Concentration Standard Gases air chamber to be measured is connected.
It may also be preferred that ammonia detector metering and calibrating device also includes display part.
It may also be preferred that display part is arranged with liquid crystal display screen.
It may also be preferred that ammonia detector metering and calibrating device also includes Data Input Interface
And data output interface.
It may also be preferred that ammonia detector metering and calibrating device also includes data processor.
Another aspect of the present invention provides the measurement verification of a kind of ammonia detector metering and calibrating device
Method, uses the ammonia detector metering and calibrating device as above described in either a program, including following
Three road air inlets of device are connected ammonia, nitrogen and pure air by step: the first step respectively,
And have three effusion meters by connecting after three air inlets, three effusion meters be all connected to one to be measured
Concentration Standard Gases air chamber, after the mixed air mixing of concentration Standard Gases air chamber to be measured, point two-way is the most defeated
Going out to standby test examination instrument, another road is vented；Second step, is divided into liquid-crystal display section and includes two pieces
Liquid crystal display screen, one piece is that the Standard Gases configuring respective concentration uses, and liquid crystal panel selects input ammonia
The concentration of gas gas and the concentration of spirit, be simultaneously entered the Standard Gases concentration of the output of needs, be
System, through automatically calculating the flow-rate ratio of ammonia and spirit, controls the pure gas of ammonia by numerical control
Entrance and the first-class gauge of pure air entrance and the 3rd effusion meter, it is thus achieved that the concentration of needs
Ammonia Standard Gases, another block liquid crystal display screen is used for recording and calculate the various data in verification process,
And calculated feedback；3rd step, during the detection error of indication, the show value of the most standby test examination instrument
Input second piece of screen, three display indicating values of typing same concentration so that system calculates automatically
Go out the error of indication of this point, and it is the most qualified to be sentenced mark；4th step, the gas of three concentration
After having led to, compare the size of three errors of indication, take maximum and compare with threshold value and then sentence
Fixed qualified no；5th step, after inputting the concentration of six ventilations so that system is pressed according to repeatability
Then determine that qualified no according to the computing formula result of calculation comparing with threshold value set；6th
Step, carries stopwatch by system and sets response time parameter, start timing from ventilation, to stopping the supple of gas or steam
Till, record duration of ventilation record, by calculate compare with threshold value then determine that qualified
No.
In above scheme preferably, after the 6th step, by two pieces can touch liquid crystal display screen enters
Row input and output, and data are printed by printer.
The ammonia detector metering and calibrating device of the present invention and measurement and examination method thereof, it can be very
The good various values completed in JJG1105-2015 " ammonia detector " ammonia detector pass
The detection project passed.
Accompanying drawing explanation
Fig. 1 is the structural representation of the ammonia detector metering and calibrating device of the present invention.
In figure, 1 is concentration Standard Gases air chamber to be measured, and 2 is ammonia pure gas entrance, and 3 is nitrogen
Entrance, 4 is pure air entrance, and 5 is effusion meter, and 6 is bypass flow meter, and 7 is standby inspection instrument
Device, 8 is drain.
Detailed description of the invention
In order to be more fully understood that the present invention, below in conjunction with specific embodiment, the present invention is made in detail
Explanation.It is clear that the present invention can be carried out different modification and remodeling and without departing from rear attached power
Profit requires the broader spirit and scope of the present invention limited.Therefore, following example have illustration
Property and do not have conditional implication.
Embodiment:
A kind of ammonia detector metering and calibrating device, as it is shown in figure 1, include concentration standard to be measured
Gas air chamber 1, concentration Standard Gases air chamber 1 to be measured is respectively equipped with ammonia pure gas entrance 2, nitrogen
Entrance 3 and pure air entrance 4, concentration Standard Gases air chamber 1 to be measured respectively with effusion meter 5 and
Bypass flow meter 6 is connected, and effusion meter 5 is connected with standby test examination instrument 7, bypass flow meter 6
It is connected with drain 8.
In the embodiment above, ammonia pure gas entrance 2, nitrogen inlet 3 and pure air entrance
4 are connected with first-class gauge, second gauge and the 3rd effusion meter respectively.
In the embodiment above, first-class gauge, second gauge and the 3rd effusion meter respectively with
Concentration Standard Gases air chamber 1 to be measured is connected.
In the embodiment above, ammonia detector metering and calibrating device also includes display part.
In the embodiment above, display part is arranged with liquid crystal display screen.
In the embodiment above, ammonia detector metering and calibrating device also includes Data Input Interface
And data output interface.
In the embodiment above, ammonia detector metering and calibrating device also includes data processor.
The ammonia detector metering and calibrating device of the present invention, its circuit connection section divides as shown in Figure 1
Carry out type selecting, connection, the measurement and examination method of the ammonia detector metering and calibrating device of the present invention,
Use the ammonia detector metering and calibrating device as above described in either a program, comprise the following steps:
Three road air inlets of device are connected ammonia, nitrogen and pure air by the first step respectively, and will
Connect after three air inlets and have three effusion meters 5, three effusion meters 5 be all connected to one to be measured
Concentration Standard Gases air chamber 1, after the mixed air mixing of concentration Standard Gases air chamber 1 to be measured, a point two-way divides
Shu Chu not arrive standby test examination instrument 7, another road is vented；Second step, is divided into bag by liquid-crystal display section
Including two pieces of liquid crystal display screens, one piece is that the Standard Gases configuring respective concentration uses, and liquid crystal panel selects
The concentration of input ammonia gas and the concentration of spirit, the Standard Gases of the output being simultaneously entered needs is dense
Degree, system, through automatically calculating the flow-rate ratio of ammonia and spirit, controls ammonia by numerical control
Gas pure gas entrance 2 and the first-class gauge of pure air entrance 4 and the 3rd effusion meter, it is thus achieved that need
The ammonia Standard Gases of the concentration wanted, another block liquid crystal display screen is used for recording and calculating in verification process
Various data, and calculated feedback；3rd step, during the detection error of indication, the most standby inspection instrument
Show value second piece of screen of input of device, three display indicating values of typing same concentration so that be
System calculates the error of indication of this point automatically, and it is the most qualified to be sentenced mark；4th step, three
After the gas of concentration has led to, compare the size of three errors of indication, take maximum and carry out with threshold value
Relatively then determine that qualified no；5th step, after inputting the concentration of six ventilations so that system root
Then determine that according to the computing formula result of calculation comparing with threshold value set according to repeatability
Qualified no；6th step, carries stopwatch by system and sets response time parameter, from the beginning of ventilation
Timing, to stopping the supple of gas or steam, record duration of ventilation record, compare with threshold value by calculating
Then determine that qualified no.After 6th step, by two pieces can touch liquid crystal display screen carries out input and output,
And data are printed by printer.Its data processing section, can be carried out on data processor
" ammonia is examined for corresponding input/output function, the control of effusion meter and JJG1105-2015
Survey instrument " in computing formula and the threshold value of various parameters and sentence mark method.
Claims (9)
1. an ammonia detector metering and calibrating device, including concentration Standard Gases air chamber (1) to be measured,
It is characterized in that: be respectively equipped with on concentration Standard Gases air chamber (1) to be measured ammonia pure gas entrance (2),
Nitrogen inlet (3) and pure air entrance (4), concentration Standard Gases air chamber (1) to be measured is respectively
It is connected with effusion meter (5) and bypass flow meter (6), effusion meter (5) and standby test examination instrument
(7) being connected, bypass flow meter (6) is connected with drain (8).
2. ammonia detector metering and calibrating device as claimed in claim 1, it is characterised in that:
Ammonia pure gas entrance (2), nitrogen inlet (3) and pure air entrance (4) connect respectively and set
There are first-class gauge, second gauge and the 3rd effusion meter.
3. ammonia detector metering and calibrating device as claimed in claim 2, it is characterised in that:
First-class gauge, second gauge and the 3rd effusion meter respectively with concentration Standard Gases air chamber to be measured
(1) it is connected.
4. ammonia detector metering and calibrating device as claimed in claim 3, it is characterised in that:
Ammonia detector metering and calibrating device also includes display part.
5. ammonia detector metering and calibrating device as claimed in claim 4, it is characterised in that:
Display part is arranged with liquid crystal display screen.
6. the ammonia detector metering and calibrating device as according to any one of claim 1-5, its
It is characterised by: ammonia detector metering and calibrating device also includes Data Input Interface and data output
Interface.
7. ammonia detector metering and calibrating device as claimed in claim 6, it is characterised in that:
Ammonia detector metering and calibrating device also includes data processor.
8. a measurement and examination method for ammonia detector metering and calibrating device, uses right such as to want
Seek the ammonia detector metering and calibrating device according to any one of 1-7, comprise the following steps: the
Three road air inlets of device are connected ammonia, nitrogen and pure air by step respectively, and by three
Connecting after individual air inlet has three effusion meters (5), three effusion meters (5) to be all connected to one
Concentration Standard Gases air chamber (1) to be measured, the mixed air mixing of concentration Standard Gases air chamber (1) to be measured
A rear point two-way is respectively outputted to standby test examination instrument (7), and another road is vented；Second step, by liquid crystal
Showing that part is divided into and include two pieces of liquid crystal display screens, one piece is that the Standard Gases configuring respective concentration uses, liquid
Select concentration and the concentration of spirit of input ammonia gas in crystal panel, be simultaneously entered the defeated of needs
The Standard Gases concentration gone out, system is through automatically calculating the flow-rate ratio of ammonia and spirit, logical
Cross numerical control control ammonia pure gas entrance (2) and pure air entrance (4) first-class gauge with
3rd effusion meter, it is thus achieved that the ammonia Standard Gases of the concentration of needs, another block liquid crystal display screen is used for record
With the various data calculated in verification process, and calculated feedback；3rd step, detects indicating value
During error, show value second piece of screen of input of the most standby test examination instrument, the three of typing same concentration
Secondary display indicating value so that system calculates the error of indication of this point automatically, and whether is sentenced mark
Qualified；4th step, after the gas of three concentration has led to, compares the size of three errors of indication,
Take maximum compare with threshold value then determine that qualified no；5th step, inputs six ventilations
After concentration so that system according to repeatability according to set computing formula result of calculation and and threshold value
Compare then determine that qualified no；6th step, carries stopwatch by system and sets response time
Parameter, starts timing from ventilation, and to stopping the supple of gas or steam, record duration of ventilation record, by meter
Calculate compare with threshold value then determine that qualified no.
9. the measurement verification side of ammonia detector metering and calibrating device as claimed in claim 8
Method, it is characterised in that: after the 6th step, by two pieces can touch liquid crystal display screen carries out input and output,
And data are printed by printer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610239318.4A CN105911222A (en) | 2016-04-18 | 2016-04-18 | Metrological verification device for ammonia gas detector and metrological verification method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610239318.4A CN105911222A (en) | 2016-04-18 | 2016-04-18 | Metrological verification device for ammonia gas detector and metrological verification method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN105911222A true CN105911222A (en) | 2016-08-31 |
Family
ID=56747091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610239318.4A Pending CN105911222A (en) | 2016-04-18 | 2016-04-18 | Metrological verification device for ammonia gas detector and metrological verification method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107402287A (en) * | 2017-09-01 | 2017-11-28 | 深圳小气科技有限公司 | The calibration equipment and method of calibration of air quality detector |
| CN109307738A (en) * | 2017-11-16 | 2019-02-05 | 中国石油化工股份有限公司 | A kind of chlorine alarm calibration method and calibrating installation |
| CN111024892A (en) * | 2019-11-25 | 2020-04-17 | 国网上海市电力公司 | Inspection method of intelligent electric well lid gas monitoring device |
| CN111610337A (en) * | 2020-05-20 | 2020-09-01 | 佳思德科技(深圳)有限公司 | Alcohol detector calibrating device and method for displaying current calibration allowable error |
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| CN107402287A (en) * | 2017-09-01 | 2017-11-28 | 深圳小气科技有限公司 | The calibration equipment and method of calibration of air quality detector |
| CN109307738A (en) * | 2017-11-16 | 2019-02-05 | 中国石油化工股份有限公司 | A kind of chlorine alarm calibration method and calibrating installation |
| CN111024892A (en) * | 2019-11-25 | 2020-04-17 | 国网上海市电力公司 | Inspection method of intelligent electric well lid gas monitoring device |
| CN111610337A (en) * | 2020-05-20 | 2020-09-01 | 佳思德科技(深圳)有限公司 | Alcohol detector calibrating device and method for displaying current calibration allowable error |
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Application publication date: 20160831 |