CN107179159A - The check system and method for a kind of SF6 on-line monitoring alarm device for leakage - Google Patents
The check system and method for a kind of SF6 on-line monitoring alarm device for leakage Download PDFInfo
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- CN107179159A CN107179159A CN201710443253.XA CN201710443253A CN107179159A CN 107179159 A CN107179159 A CN 107179159A CN 201710443253 A CN201710443253 A CN 201710443253A CN 107179159 A CN107179159 A CN 107179159A
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- gas
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- monitoring alarm
- line monitoring
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/007—Leak detector calibration, standard leaks
Abstract
The invention discloses a kind of check system of SF6 on-line monitoring alarm device for leakage and method, system includes detected gas feeding mechanism, verify detection means and master control set, the detected gas feeding mechanism is to be that SF6 on-line monitoring alarm device for leakage and verification detection means provide identical detected gas, the verification detection means is to detect the parameter of detected gas and be sent to master control set, the master control set obtains SF6 on-line monitoring alarm device for leakage and the parameter of verification detection means detection detected gas respectively and the testing result to SF6 on-line monitoring alarm device for leakage and the testing result of verification detection means are contrasted, the detection error of SF6 on-line monitoring alarm device for leakage is determined by calculating both errors.The present invention to SF6 on-line monitoring alarm device for leakage by effectively being verified, it is ensured that the operation steady in a long-term of SF6 on-line monitoring alarm device for leakage.
Description
Technical field
The present invention relates to a kind of check system of SF6 on-line monitoring alarm device for leakage and method, belong to SF6 leakage monitorings
Technical field.
Background technology
SF6 gases are widely used in all kinds of high pressures, extra-high voltage electrical equipment as excellent insulation and arc-extinguishing medium
In, especially with the development of urban distribution network, indoor SF6 gas insulated combined electrical equipments (GIS) transformer station is in urban distribution network
Using more and more.Just because of a large amount of of SF6 gases use, its security receives the extensive concern of people.The new gas of SF6 is one
Colourless, tasteless, nontoxic, non-ignitable gas is planted, density is approximately 5 times of air, suction human body easily causes asphyxia.In equipment
SF6 gases are in the presence of electric arc or high temperature, it may occur that decomposed, and its analyte such as SF4, SOF2, SO2F2, HF, SO2
Deng often containing toxic, if suction human body, dizzy and pulmonary edema can be caused, harm to the human body is very big.Due to being manufactured, being installed
The factors such as difference and material aging etc. quality influence, and it is a universal phenomenon that leakage, which occurs, for SF6 electrical equipments.Work as interior
When SF6 electrical equipments are leaked in use, the SF6 gases and its analyte leaked out can be toward indoor low layer space
Accumulation, causes ischaemia and with poison, the health of human body of the staff to getting in constitutes serious danger.
SF6 gases on-line monitoring alarm device for leakage (hereinafter referred to as SF6 warning devices) is basis《Electric industry safety code》
Related request, indoors SF6 electrical equipments workplace, one kind of installation SF6 G＆O contents in detection air in real time
Intelligent on-line monitoring system, be ensure field personnel's personal safety critical facility, when SF6 gas contents in environment
Exceeded or anoxic, can be alarmed in real time, be aerated while automatically turning on ventilation blower, to ensure to get in staff's
Health of human body.Because SF6 warning devices will continuously be run for a long time, monitoring in real time, its reliability will directly influence operation maintenance
The personal safety of personnel, it is therefore necessary to study SF6 warning device reliabilities.
The content of the invention
In view of the shortcomings of the prior art, the present invention proposes a kind of check system of SF6 on-line monitoring alarm device for leakage
And method, it can be verified to ensure the reliability of SF6 warning devices to existing SF6 warning devices.
The present invention solves its technical problem and adopted the technical scheme that：
A kind of check system of SF6 on-line monitoring alarm device for leakage of the present invention, it is characterized in that, including detected gas
Feeding mechanism, verification detection means and master control set, the detected gas feeding mechanism for SF6 leakage on-line monitorings to report
Alarm device and verification detection means provide identical detected gas, and the verification detection means is to detect detected gas
Parameter is simultaneously sent to master control set, and the master control set obtains SF6 on-line monitoring alarm device for leakage and verification detection dress respectively
Put the inspection of the parameter of detection detected gas and the testing result to SF6 on-line monitoring alarm device for leakage and verification detection means
Survey result to be contrasted, the detection error of SF6 on-line monitoring alarm device for leakage is determined by calculating both errors.
Preferably, the detected gas feeding mechanism include standard source of the gas steel cylinder, first flowmeter, second flowmeter and
Flow controller, the standard source of the gas steel cylinder is let out by purging joint with SF6 respectively by first flowmeter and second flowmeter
Leakage online monitoring alarm device is connected with the gas access of verification detection means；Described first flowmeter and second flow score
It is not connected with flow meter controller.
Preferably, the detected gas feeding mechanism includes gas steel cylinder, pressure maintaining valve, gas flowmeter, diluent gas
Flowmeter, minipump, purging joint and gas provisioning controller, the gas steel cylinder pass through pressure maintaining valve and gas flowmeter
Connection, the diluent gas flow gauge is connected with minipump, and described gas flowmeter and minipump pass through threeway
Pipe accesses gas distribution pipeline, and described purging joint one end connect by snap joint with gas distribution pipeline, the other end of purging joint and
SF6 on-line monitoring alarm device for leakage or the gas access connection for verifying detection means；Described gas flowmeter, diluent gas
Flowmeter, minipump and purging joint are connected with gas provisioning controller respectively.
Preferably, the verification detection means includes being provided with the SF6 fine measuring instruments of communication interface, the SF6 essences
Close measuring instrument is connected by communication interface with master control set.
Preferably, the off-line type SF6 fine measuring instruments use chilled-mirror type SF6 dew point hygrometers.
Preferably, the master control set includes CPU and communication unit, and the CPU is by communication unit respectively with being detected
Gas supply device, SF6 on-line monitoring alarm device for leakage and verification detection means connection.
Preferably, the SF6 on-line monitoring alarm device for leakage includes SF6 gas sensors, detection controller, alarm list
Member and communication module, the SF6 gas sensors and alarm unit are connected with detection controller respectively, and the detection controller leads to
Communication module is crossed to be connected with master control set.
Preferably, the detected gas uses SF6 gases.The diluent gas for carrying out SF6 gases during mixing distribution is usual
Using air.In addition, detected gas can also use oxygen, the diluent gas of oxygen uses nitrogen when carrying out mixing distribution.
A kind of method of calibration of SF6 on-line monitoring alarm device for leakage of the present invention, it is characterized in that, including procedure below：
1) detected gas is conveyed to SF6 on-line monitoring alarm device for leakage and SF6 fine measuring instruments, it is described tested
Survey gas and use calibrating gas；
2) parameter of detected gas is detected using SF6 fine measuring instruments；
3) parameter of detected gas is detected using SF6 on-line monitoring alarm device for leakage；
4) master control set collection SF6 on-line monitoring alarm device for leakage and the detected gas of SF6 fine measuring instruments detection
Body parameter and the testing result to SF6 on-line monitoring alarm device for leakage and the testing result progress pair of SF6 fine measuring instruments
Than determining the detection error of SF6 on-line monitoring alarm device for leakage by calculating both errors.
In the above method, the detected gas uses SF6 gases or oxygen.
The method of calibration of another SF6 on-line monitoring alarm device for leakage of the present invention, it is characterized in that, including following mistake
Journey：
1) detected gas is prepared, the detected gas is by calibrating gas and diluent gas under master control set control
The mixed gas being quantitatively mixed；
2) the theoretical parameter of detected gas is calculated；
3) detected gas is conveyed to the verification parameter that SF6 fine measuring instruments detect detected gas；
4) master control set is contrasted to verification parameter and theoretical parameter, and calculates the mistake of verification parameter and theoretical parameter
Difference, carries out next step, otherwise return to step 1 if the error of verification parameter and theoretical parameter is in allowed band) make again
Standby detected gas is untill the error of verification parameter and theoretical parameter is in allowed band；
5) detected gas is conveyed to SF6 on-line monitoring alarm device for leakage and detect that the monitoring of detected gas is joined
Amount；
6) master control set is contrasted to verification parameter and monitoring parameter, and calculates both errors, and SF6 is determined with this
The detection error of on-line monitoring alarm device for leakage.
Preferably, the preparation facilities of the detected gas includes gas steel cylinder, pressure maintaining valve, gas flowmeter, carrier gas
Flowmeter body, minipump, purging joint and gas provisioning controller, the gas steel cylinder pass through pressure maintaining valve and gas flow
Meter connection, the diluent gas flow gauge is connected with minipump, and described gas flowmeter and minipump pass through three
Siphunculus accesses gas distribution pipeline, and described purging joint one end is connected by snap joint with gas distribution pipeline, purges the other end of joint
Connected with the gas access of SF6 on-line monitoring alarm device for leakage or SF6 fine measuring instruments；It is described gas flowmeter, dilute
Outgassing flowmeter body, minipump and purging joint are connected with gas provisioning controller respectively.
In the above method, the detected gas carries out mixing distribution using SF6 gases or oxygen, carries out mixing distribution
When, the diluent gas of SF6 gases uses air, and the diluent gas of oxygen uses nitrogen.
Beneficial effects of the present invention are as follows：
The present invention provides the detected gas of known associated arguments by detected gas feeding mechanism, is detected using verification
The parameter of device detection detected gas carries out dual confirmation, finally by the detection to SF6 on-line monitoring alarm device for leakage
As a result contrasted with the testing result of verification detection means and calculate both errors to determine that SF6 leaks online monitoring alarm
The detection error of device, so as to be verified to SF6 on-line monitoring alarm device for leakage, it is ensured that SF6 leakage on-line monitoring reports
The operation steady in a long-term of alarm device.
The detected gas of the present invention can be carried out using single standard gas or by single standard gas and other gases
Mixing, simple using the method for inspection of single standard gas, Check-Out Time is short, in the absence of distribution error, is particularly suitable for quantitative SF6
The accurate detection of on-line monitoring alarm device for leakage.A series of sample gas of aimed concns is can configure out using mixing distribution,
Various concentrations point detection is carried out to warning device, the SF6 on-line monitoring alarm device for leakage qualitative to diffusion type that is particularly suitable for use in enters
Row alarm trends are examined.Detected gas feeding mechanism and SF6 on-line monitoring alarm device for leakage or verification detection means it
Between devise purging joint and in purging joint and carry out encapsulation process, it is therefore prevented that surrounding air is to sample gas concentration
Dilution, it is ensured that the balance of detected gas sheds.
The present invention is also each provided to be existed using the detected gas progress SF6 leakages of single standard gas and mixing distribution
The method of calibration of line monitoring alarm；Being verified not only method using single standard gas, simply, Check-Out Time is short, and
In the absence of distribution error, it is particularly suitable for the accurate detection of quantitative SF6 on-line monitoring alarm device for leakage；Using mixing distribution gas
Various concentrations point detection can be carried out to SF6 on-line monitoring alarm device for leakage by carrying out verification, be particularly suitable for use in qualitative to diffusion type
SF6 on-line monitoring alarm device for leakage carries out alarm trends inspection.The present invention is leaked SF6 by different detected gas
Line monitoring alarm carries out method of calibration, (fixed for the alarm error (qualitative) and detection error to SF6 G＆Os
Amount) detected, realize the quick and precisely verification to quantitative SF6 on-line monitoring alarm device for leakage and qualitative SF6 leakages exist
The trend verification of the wide concentration of line monitoring alarm.
Brief description of the drawings
Fig. 1 is check system structure chart of the invention；
Fig. 2 is a kind of detected gas feeding mechanism structure chart of the invention；
Fig. 3 is another detected gas feeding mechanism structure chart of the invention；
Fig. 4 is a kind of method flow diagram of the invention；
Fig. 5 is another method flow diagram of the invention.
Embodiment
For the technical characterstic for illustrating this programme can be understood, below by embodiment, and its accompanying drawing is combined, to this hair
It is bright to be described in detail.Following disclosure provides many different embodiments or example is used for realizing the different knots of the present invention
Structure.In order to simplify disclosure of the invention, hereinafter the part and setting of specific examples are described.In addition, the present invention can be with
Repeat reference numerals and/or letter in different examples.This repetition is that for purposes of simplicity and clarity, itself is not indicated
Relation between various embodiments are discussed and/or set.It should be noted that part illustrated in the accompanying drawings is not necessarily to scale
Draw.Present invention omits the description to known assemblies and treatment technology and process to avoid being unnecessarily limiting the present invention.
As shown in figure 1, a kind of check system of SF6 on-line monitoring alarm device for leakage of the present invention, it includes being detected
Gas supply device, verification detection means and master control set, the detected gas feeding mechanism for SF6 leakages are online to supervise
Measuring alarming device and verification detection means provide identical detected gas, and the verification detection means is to detect detected gas
The parameter of body is simultaneously sent to master control set, and the master control set obtains SF6 on-line monitoring alarm device for leakage respectively and verification is examined
Survey the parameter of device detection detected gas and the testing result to SF6 on-line monitoring alarm device for leakage and verification detection means
Testing result contrasted, the detection error of SF6 on-line monitoring alarm device for leakage is determined by the error for calculating both.
As shown in Fig. 2 a kind of detected gas feeding mechanism of the present invention includes standard source of the gas steel cylinder, first flow
Meter, second flowmeter and flow controller, the standard source of the gas steel cylinder are passed through respectively by first flowmeter and second flowmeter
Purging joint is connected with the gas access of SF6 on-line monitoring alarm device for leakage and verification detection means；Described first flow
Meter and second flowmeter are connected with flow meter controller respectively.Wherein, the detected gas is using composition, concentration and does not know
Degree is known SF6 gases or oxygen, and simple using the method for inspection of single standard gas, Check-Out Time is short, in the absence of with
Gas error, is particularly suitable for the accurate detection of quantitative SF6 on-line monitoring alarm device for leakage.Detected gas feeding mechanism with
Purging joint is devised between SF6 on-line monitoring alarm device for leakage or verification detection means and is gone forward side by side in purging joint
Row encapsulation process, it is therefore prevented that dilution of the surrounding air to sample gas concentration, it is ensured that the balance of detected gas sheds.
As shown in figure 3, another detected gas feeding mechanism of the present invention includes gas steel cylinder, pressure maintaining valve, mark
Air-flow gauge, diluent gas flow gauge, minipump, purging joint and gas provisioning controller, the gas steel cylinder pass through
Pressure maintaining valve is connected with gas flowmeter, and the diluent gas flow gauge is connected with minipump, described gas flowmeter and
Minipump accesses gas distribution pipeline by three-way pipe, and described purging joint one end is connected by snap joint with gas distribution pipeline,
The other end for purging joint is connected with the gas access of SF6 on-line monitoring alarm device for leakage or verification detection means；Described
Gas flowmeter, diluent gas flow gauge, minipump and purging joint are connected with gas provisioning controller respectively.Wherein,
The detected gas is diluted using SF6 gases or oxygen, and the diluent gas of SF6 gases is generally adopted when carrying out mixing distribution
With air, the diluent gas of oxygen uses nitrogen.A series of sample gas that can configure out aimed concns using mixing distribution (is adopted
It is known mixed with according to a certain percentage mixed calibrating gas and diluent gas and composition, concentration and uncertainty
Close gas), various concentrations point detection is carried out to warning device, be particularly suitable for use in SF6 leakages on-line monitoring report qualitative to diffusion type
Alarm device carries out alarm trends inspection.Examined in detected gas feeding mechanism and SF6 on-line monitoring alarm device for leakage or verification
Purging joint is devised between survey device and is purging joint and is carrying out encapsulation process, it is therefore prevented that surrounding air is to sample
The dilution of gas concentration, it is ensured that the balance of detected gas sheds.
Verification detection means of the present invention includes being provided with the SF6 fine measuring instruments of communication interface, the SF6 essences
Close measuring instrument is connected by communication interface with master control set, wherein, the off-line type SF6 fine measuring instruments use chilled-mirror type
SF6 dew point hygrometers, chilled-mirror type SF6 dew point hygrometers are matured product, and its measurement accuracy is higher than SF6 on-line monitoring alarm device for leakage.
Master control set of the present invention includes CPU and communication unit, and the CPU is by communication unit respectively with being detected
Gas supply device, SF6 on-line monitoring alarm device for leakage and verification detection means connection.
SF6 on-line monitoring alarm device for leakage of the present invention includes SF6 gas sensors, detection controller, alarm
Unit and communication module, the SF6 gas sensors and alarm unit are connected with detection controller respectively, the detection controller
It is connected by communication module with master control set.
The present invention provides the detected gas of known associated arguments by detected gas feeding mechanism, is detected using verification
The parameter of device detection detected gas carries out dual confirmation, finally by the detection to SF6 on-line monitoring alarm device for leakage
As a result contrasted with the testing result of verification detection means and calculate both errors to determine that SF6 leaks online monitoring alarm
The detection error of device, so as to be verified to SF6 on-line monitoring alarm device for leakage, it is ensured that SF6 leakage on-line monitoring reports
The operation steady in a long-term of alarm device.
As shown in figure 4, a kind of method of calibration of SF6 on-line monitoring alarm device for leakage of the present invention, it includes following mistake
Journey：
1) detected gas is conveyed to SF6 on-line monitoring alarm device for leakage and SF6 fine measuring instruments, it is described tested
Survey gas and use calibrating gas；
2) parameter of detected gas is detected using SF6 fine measuring instruments；
3) parameter of detected gas is detected using SF6 on-line monitoring alarm device for leakage；
4) master control set collection SF6 on-line monitoring alarm device for leakage and the detected gas of SF6 fine measuring instruments detection
Body parameter and the testing result to SF6 on-line monitoring alarm device for leakage and the testing result progress pair of SF6 fine measuring instruments
Than determining the detection error of SF6 on-line monitoring alarm device for leakage by calculating both errors.
In the above method, the detected gas uses SF6 gases or oxygen.
The invention provides carry out SF6 on-line monitoring alarm device for leakage using the detected gas of single standard gas
Method of calibration, being verified not only method using single standard gas, simply, Check-Out Time is short, and in the absence of distribution error,
It is particularly suitable for the accurate detection of quantitative SF6 on-line monitoring alarm device for leakage.
As shown in figure 5, the method for calibration of another SF6 on-line monitoring alarm device for leakage of the present invention, it includes following
Process：
1) detected gas is prepared, the detected gas is by calibrating gas and diluent gas under master control set control
The mixed gas being quantitatively mixed；
2) the theoretical parameter of detected gas is calculated；
3) detected gas is conveyed to the verification parameter that SF6 fine measuring instruments detect detected gas；
4) master control set is contrasted to verification parameter and theoretical parameter, and calculates the mistake of verification parameter and theoretical parameter
Difference, enters if the error of verification parameter and theoretical parameter in allowed band if (error allowed band can be used within 1%)
Row next step, otherwise return to step 1) detected gas is prepared again until the error of verification parameter and theoretical parameter is allowing model
Untill in enclosing；
5) detected gas is conveyed to SF6 on-line monitoring alarm device for leakage and detect that the monitoring of detected gas is joined
Amount；
6) master control set is contrasted to verification parameter and monitoring parameter, and calculates both errors, and SF6 is determined with this
The detection error of on-line monitoring alarm device for leakage.
As shown in figure 3, the preparation facilities of the detected gas described in the above method includes gas steel cylinder, pressure maintaining valve, mark
Air-flow gauge, diluent gas flow gauge, minipump, purging joint and gas provisioning controller, the gas steel cylinder pass through
Pressure maintaining valve is connected with gas flowmeter, and the diluent gas flow gauge is connected with minipump, described gas flowmeter and
Minipump accesses gas distribution pipeline by three-way pipe, and described purging joint one end is connected by snap joint with gas distribution pipeline,
The other end of purging joint is connected with the gas access of SF6 on-line monitoring alarm device for leakage or SF6 fine measuring instruments；It is described
Gas flowmeter, diluent gas flow gauge, minipump and purging joint be connected respectively with gas provisioning controller.
In the above method, the detected gas carries out mixing distribution using SF6 gases or oxygen.Carry out mixing distribution
When, the diluent gas of SF6 gases uses air, and the diluent gas of oxygen uses nitrogen.
The invention provides the verification that the detected gas using mixing distribution carries out SF6 on-line monitoring alarm device for leakage
Method, various concentrations point detection can be carried out to SF6 on-line monitoring alarm device for leakage by carrying out verification using mixing distribution gas, especially
It is applied to SF6 on-line monitoring alarm device for leakage qualitative to diffusion type and carries out alarm trends inspection.
By different detected gas, (composition, concentration and uncertainty are known calibrating gas or adopted the present invention
It is known mixed with according to a certain percentage mixed calibrating gas and diluent gas and composition, concentration and uncertainty
Close gas) method of calibration is carried out to SF6 on-line monitoring alarm device for leakage, it is (fixed for the alarm error to SF6 G＆Os
Property) and detection error (quantitative) detected, realize the quick and precisely verification to quantitative SF6 on-line monitoring alarm device for leakage
Verified with the trend of the qualitative wide concentration of SF6 on-line monitoring alarm device for leakage.
Simply the preferred embodiment of the present invention described above, for those skilled in the art,
Without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications are also regarded as this hair
Bright protection domain.
Claims (10)
1. a kind of check system of SF6 on-line monitoring alarm device for leakage, it is characterized in that, including detected gas feeding mechanism,
Verify detection means and master control set, the detected gas feeding mechanism to for SF6 on-line monitoring alarm device for leakage and
Verify detection means and identical detected gas is provided, the verification detection means is concurrent to the parameter for detecting detected gas
Master control set is given, the master control set obtains SF6 on-line monitoring alarm device for leakage and verification detection means detection quilt respectively
Detect the parameter of gas and the testing result of the testing result to SF6 on-line monitoring alarm device for leakage and verification detection means is entered
Row contrast, the detection error of SF6 on-line monitoring alarm device for leakage is determined by calculating both errors.
2. a kind of check system of SF6 on-line monitoring alarm device for leakage as claimed in claim 1, it is characterized in that, the quilt
Detect that gas supply device includes standard source of the gas steel cylinder, first flowmeter, second flowmeter and flow controller, the Standard Gases
Source steel cylinder is by first flowmeter and second flowmeter respectively by purging joint and SF6 on-line monitoring alarm device for leakage and school
Test the gas access connection of detection means；Described first flowmeter and second flowmeter are connected with flow meter controller respectively.
3. a kind of check system of SF6 on-line monitoring alarm device for leakage as claimed in claim 1, it is characterized in that, the quilt
Detect that gas supply device includes gas steel cylinder, pressure maintaining valve, gas flowmeter, diluent gas flow gauge, minipump, purging
Joint and gas provisioning controller, the gas steel cylinder are connected by pressure maintaining valve with gas flowmeter, the diluting gas flow
Meter is connected with minipump, and described gas flowmeter and minipump accesses gas distribution pipeline by three-way pipe, described to blow
Sweep joint one end to connect with gas distribution pipeline by snap joint, purge the other end and SF6 leakage online monitoring alarm dresses of joint
Put or verify the gas access connection of detection means；Described gas flowmeter, diluent gas flow gauge, minipump and blow
Joint is swept to be connected with gas provisioning controller respectively.
4. a kind of check system of SF6 on-line monitoring alarm device for leakage as claimed in claim 1, it is characterized in that, the school
Testing detection means includes being provided with the SF6 fine measuring instruments of communication interface, and the SF6 fine measuring instruments pass through communication interface
It is connected with master control set.
5. a kind of check system of SF6 on-line monitoring alarm device for leakage as claimed in claim 4, it is characterized in that, it is described from
Wire type SF6 fine measuring instruments use chilled-mirror type SF6 dew point hygrometers.
6. a kind of check system of SF6 on-line monitoring alarm device for leakage as claimed in claim 1, it is characterized in that, the master
Controlling device includes CPU and communication unit, and the CPU is existed with detected gas feeding mechanism, SF6 leakages respectively by communication unit
Line monitoring alarm and verification detection means connection.
7. a kind of check system of SF6 on-line monitoring alarm device for leakage as claimed in claim 1, it is characterized in that, the SF6
On-line monitoring alarm device for leakage includes SF6 gas sensors, detection controller, alarm unit and communication module, the SF6 gas
Body sensor and alarm unit are connected with detection controller respectively, and the detection controller is connected by communication module and master control set
Connect.
8. a kind of method of calibration of SF6 on-line monitoring alarm device for leakage, it is characterized in that, including procedure below：
1) detected gas is conveyed to SF6 on-line monitoring alarm device for leakage and SF6 fine measuring instruments, the detected gas
Body uses calibrating gas；
2) parameter of detected gas is detected using SF6 fine measuring instruments；
3) parameter of detected gas is detected using SF6 on-line monitoring alarm device for leakage；
4) master control set collection SF6 on-line monitoring alarm device for leakage and the detected gas ginseng of SF6 fine measuring instruments detection
Measure and the testing result to SF6 on-line monitoring alarm device for leakage and the testing result of SF6 fine measuring instruments are contrasted, lead to
Cross and calculate both errors to determine the detection error of SF6 on-line monitoring alarm device for leakage.
9. a kind of method of calibration of SF6 on-line monitoring alarm device for leakage, it is characterized in that, including procedure below：
1) detected gas is prepared, the detected gas is by calibrating gas and diluent gas progress under master control set control
The mixed gas being quantitatively mixed；
2) the theoretical parameter of detected gas is calculated；
3) detected gas is conveyed to the verification parameter that SF6 fine measuring instruments detect detected gas；
4) master control set is contrasted to verification parameter and theoretical parameter, and calculates the error of verification parameter and theoretical parameter, such as
The error of fruit verification parameter and theoretical parameter then carries out next step in allowed band, otherwise return to step 1) prepare again it is tested
Untill error of the gas until verification parameter and theoretical parameter is surveyed in allowed band；
5) detected gas is conveyed to the monitoring parameter that SF6 on-line monitoring alarm device for leakage detect detected gas；
6) master control set is contrasted to verification parameter and monitoring parameter, and calculates both errors, determines that SF6 is leaked with this
The detection error of online monitoring alarm device.
10. a kind of method of calibration of SF6 on-line monitoring alarm device for leakage as claimed in claim 9, it is characterized in that, the quilt
The preparation facilities of detection gas includes gas steel cylinder, pressure maintaining valve, gas flowmeter, diluent gas flow gauge, minipump, blown
Joint and gas provisioning controller are swept, the gas steel cylinder is connected by pressure maintaining valve with gas flowmeter, the diluent gas flow
Gauge is connected with minipump, and described gas flowmeter and minipump accesses gas distribution pipeline by three-way pipe, described
Purging joint one end is connected by snap joint with gas distribution pipeline, and the other end and SF6 for purging joint leak online monitoring alarm
The gas access connection of device or SF6 fine measuring instruments；Described gas flowmeter, diluent gas flow gauge, micro vacuum
Pump and purging joint are connected with gas provisioning controller respectively.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111120857A (en) * | 2020-01-22 | 2020-05-08 | 江苏省送变电有限公司 | Inflating device applied to gas transmission system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005172472A (en) * | 2003-12-08 | 2005-06-30 | National Institute Of Advanced Industrial & Technology | Gas analysis method, and gas analysis method for fuel cell |
| CN1888843A (en) * | 2006-07-28 | 2007-01-03 | 重庆长安汽车股份有限公司 | Checking meter and testing method for air-tight tester |
| CN101943691A (en) * | 2010-04-14 | 2011-01-12 | 广西电网公司电力科学研究院 | Device and method for checking SF6 gas leakage monitoring and alarming apparatuses |
| CN203606337U (en) * | 2013-09-30 | 2014-05-21 | 河南省日立信股份有限公司 | Rapid laboratory verifying device of sulfur hexafluoride gas leakage monitoring transmitter |
| CN105181269A (en) * | 2015-07-16 | 2015-12-23 | 兰州空间技术物理研究所 | Multi-channel fast calibration device of leakage detection device and method |
| CN105606318A (en) * | 2015-11-26 | 2016-05-25 | 上海市计量测试技术研究院 | Calibration method and device of airtight leak detector |
-
2017
- 2017-06-13 CN CN201710443253.XA patent/CN107179159A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005172472A (en) * | 2003-12-08 | 2005-06-30 | National Institute Of Advanced Industrial & Technology | Gas analysis method, and gas analysis method for fuel cell |
| CN1888843A (en) * | 2006-07-28 | 2007-01-03 | 重庆长安汽车股份有限公司 | Checking meter and testing method for air-tight tester |
| CN101943691A (en) * | 2010-04-14 | 2011-01-12 | 广西电网公司电力科学研究院 | Device and method for checking SF6 gas leakage monitoring and alarming apparatuses |
| CN203606337U (en) * | 2013-09-30 | 2014-05-21 | 河南省日立信股份有限公司 | Rapid laboratory verifying device of sulfur hexafluoride gas leakage monitoring transmitter |
| CN105181269A (en) * | 2015-07-16 | 2015-12-23 | 兰州空间技术物理研究所 | Multi-channel fast calibration device of leakage detection device and method |
| CN105606318A (en) * | 2015-11-26 | 2016-05-25 | 上海市计量测试技术研究院 | Calibration method and device of airtight leak detector |
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| CN111120857A (en) * | 2020-01-22 | 2020-05-08 | 江苏省送变电有限公司 | Inflating device applied to gas transmission system |
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