CN110160654A - Temperature rise monitoring test device inside and outside a kind of GIS - Google Patents
Temperature rise monitoring test device inside and outside a kind of GIS Download PDFInfo
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- CN110160654A CN110160654A CN201910526870.5A CN201910526870A CN110160654A CN 110160654 A CN110160654 A CN 110160654A CN 201910526870 A CN201910526870 A CN 201910526870A CN 110160654 A CN110160654 A CN 110160654A
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- moving contact
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- 238000012360 testing method Methods 0.000 title claims abstract description 25
- 238000012544 monitoring process Methods 0.000 title claims abstract description 18
- 230000003068 static effect Effects 0.000 claims abstract description 30
- 230000005855 radiation Effects 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 9
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 230000001131 transforming effect Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 32
- 238000000034 method Methods 0.000 description 7
- 229910018503 SF6 Inorganic materials 0.000 description 6
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 229960000909 sulfur hexafluoride Drugs 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000002569 neuron Anatomy 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/0096—Radiation pyrometry, e.g. infrared or optical thermometry for measuring wires, electrical contacts or electronic systems
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L13/00—Devices or apparatus for measuring differences of two or more fluid pressure values
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The present invention relates to power transmission and transforming equipment technical fields, and in particular to temperature rise monitoring test device inside and outside GIS.The technical solution adopted is that: including GIS simulator, GIS simulator includes cylindrical housings, shell is axially penetrated through equipped with conductive rod, conductive rod includes moving contact, static contact, and it further includes strong current generator that moving contact, static contact junction, which are cased with shielding case, strong current generator and conductive rod are electrically connected, housing sidewall is equipped with transparent sight hole, and the first infrared radiation thermometer, the setting of the first infrared radiation thermometer face conductive rod are fixed with outside observation window；Conductive rod, moving contact, static contact side wall are equipped with heat-sensitive sensor, and heat-sensitive sensor is electrically connected with the demodulator being located at outside GIS simulator；GIS simulator is also connected with pressure vessel, is connected with differential manometer between pressure vessel and GIS simulator；It further include the second infrared radiation thermometer, the setting of the second infrared measurement of temperature face shell.The present invention can monitor GIS internal temperature, the true test data of hull outside temperature simultaneously, obtain GIS internal and external temperature curved line relation with fitting.
Description
Technical field
The present invention relates to power transmission and transforming equipment technical fields, and in particular to temperature rise monitoring test device inside and outside a kind of GIS.
Background technique
In recent years, as power grid constantly extends development, combination of gases insulated electrical equipment (referred to as: GIS) is low by maintenance cost,
Many advantages, such as failure rate is low, occupied area is small in the power system using more and more extensive, more and more substations are new
It builds or reconstructs using GIS device.Bad GIS contact is a kind of very common fault type of GIS device, when contact because
When the reasons such as manufacturing defect, mounting process, operation exception (such as earthquake, suddenly cold and hot) lead to poor contact defect, contact electricity
Resistance will significantly increase, and generate superheating phenomenon.Therefore, in the day-to-day operation maintenance of GIS substation, measuring and calculating GIS inner conductor, touching
Head temperature is very necessary.However, GIS device itself uses inflation closed structure, inside is filled with sulfur hexafluoride gas, this
Structure causes temperature detection very difficult.
Research method mainly uses finite element simulation method at present, is calculated by computer analog GIS internal structure interior
The temperature of portion's conductive rod and contact.In addition, there are also research institutions to use external sensor combination least square fitting, neuron net
The anti-method for pushing away inner conductive stick and contact temperature of the methods of network fitting, these methods help to analyze GIS device internal temperature rise
Situation of change, but still there are problems that data reliability, intuitively cannot accurately and reliably measure internal temperature data.Cause
This, needs a kind of experimental rig that can really measure GIS internal temperature, measures the relationship of GIS internal temperature and skin temperature, with
It instructs accurately to calculate GIS internal temperature based on GIS skin temperature in real work, it is bad inside GIS to find in time, it is ensured that peace
Entirely.
Summary of the invention
It is asked for the technology that temperature rise monitoring test device cannot accurately calculate GIS internal temperature inside and outside above-mentioned existing GIS
Topic, the present invention provides temperature rise monitoring test devices inside and outside a kind of GIS, can monitor GIS conductive rod, contact temperature, shell simultaneously
The test data of internal gas temperature, hull outside temperature obtains GIS internal and external temperature curved line relation with fitting, instructs practical work
Internal temperature, contact temperature are calculated based on GIS skin temperature in work, found in time bad inside GIS, it is ensured that safety.
The present invention is achieved through the following technical solutions:
Temperature rise monitoring test device inside and outside a kind of GIS, including GIS simulator, the GIS simulator includes circular cylindrical shell
Body, the shell are axially penetrated through equipped with conductive rod, and the conductive rod includes moving contact, static contact, and the moving contact, static contact connect
The place of connecing is cased with shielding case, further includes strong current generator, and the strong current generator and conductive rod are electrically connected, the shell side
Wall is equipped with transparent sight hole, and the first infrared radiation thermometer is fixed with outside the observation window, and the first infrared radiation thermometer face is conductive
Stick setting；The conductive rod barred body, moving contact side wall, static contact side wall are equipped with heat-sensitive sensor, the heat-sensitive sensor with
Demodulator outside GIS simulator is electrically connected；The GIS simulator is also connected with pressure vessel, the pressure vessel with
Differential manometer is connected between GIS simulator；It further include the second infrared radiation thermometer, the second infrared radiation thermometer face shell is set
It sets.
Preferably, the moving contact is slidably and sealingly connected with shell, and the moving contact can slide axially along shell, described quiet
Contact is fixedly connected with the casing；Described static contact face moving contact one end is equipped with blind hole, is provided with internal screw thread in the middle part of the blind hole,
The moving contact end sidewalls are equipped with the external screw thread being adapted to internal screw thread, and the moving contact end is located in blind hole.Convenient for changing
The contact resistance of conductive rod moving contact and static contact, the overheat condition to simulate under true operating condition, under different contact resistances.
Preferably, the blind via bottom is provided with pilot hole, and the moving contact end is provided with guide rod, the guide rod
It is adapted to pilot hole, to guarantee that the contact resistance adjusting of conductive rod moving contact and static contact changes linearly.
Preferably, the shell, pressure vessel are provided with gas filling connector, are conveniently replaceable heterogeneity, pressure
Gas, to simulate heterogeneity, the overheat condition of pressed gas.
Preferably, the first pressure regulator valve, first pressure gauge is also respectively connected in the shell, and the pressure vessel also connects respectively
It is connected to the second pressure regulator valve, second pressure gauge, is conveniently adjusted GIS internal pressure and pressure vessel internal pressure.
Preferably, there are six heat-sensitive sensor settings, the heat-sensitive sensor be located at moving contact, static contact,
Between conductive rod both ends, conductive rod end and moving contact, between conductive rod end and static contact, to detect conductive rod each section
Temperature.
Preferably, the housing sidewall is provided with pressure difference interconnecting piece, and one end of the pressure difference interconnecting piece face conductive rod is set
Flexible diaphragm, the pressure difference interconnecting piece are connected far from one end of shell with differential manometer, and the flexible sheet is provided with thermal insulation layer,
It prevents gas and differential manometer inside GIS simulator from carrying out heat exchange, influences test result.
Preferably, the differential manometer includes the transparent U-tube being vertically arranged, and the caliber that the U-tube contains liquid segment is
1mm。
It preferably, is the cylindrical cavity of diameter 1cm in the middle part of the pressure difference interconnecting piece.
Preferably, it is provided with cushion chamber at the top of one end that the differential manometer is connected with pressure vessel, prevents pressure-difference fluctuation mistake
When big, the measurement result of differential manometer is influenced in the liquid inlet pressure container in differential manometer.
Compared with prior art, the present invention having the following advantages and benefits:
1, the first infrared radiation thermometer is through transparent sight hole to measure enclosure interior temperature, conductive rod, moving contact, static contact
Side wall, which is equipped with heat-sensitive sensor, can measure the temperature of conductive rod everywhere；It is additionally provided with differential manometer, it can be with by differential manometer
The variation for detecting GIS air pressure inside calculates gas temperature variation by air pressure change.Use infrared measurement of temperature, heat-sensitive sensor
Device, pressure difference calculate gas temperature three kinds of modes of liter and obtain GIS internal temperature, and three groups of data are mutually corrected, so that it may be obtained inside GIS
The true temperature of the gas of the accurate temperature and inside at each position of conductive rod, contact.Second infrared radiation thermometer simultaneously, can be with
The temperature for obtaining hull outside, obtains the inside and outside GIS temperature curve relationship it is possible thereby to be fitted, instructs to be based in real work
GIS skin temperature calculates contact internal temperature.
2, moving contact and static contact are cooperated using back-out structure is threaded into, and enter depth control by adjusting moving contact
The size of loop resistance processed is simulated under true operating condition, the overheat condition under different contact resistances, is adjusted simple and convenient.
3, the blowing pressure of GIS internal gas can be adjusted according to test demand, at gradation parameter, can both study different pressures
Relationship under power between conductive rod, contact internal temperature and GIS skin temperature can also be studied under New insulated gas in GIS
Outer temperature relation, it is applied widely.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the contact part enlarged diagram of Fig. 1.
Label and corresponding parts title in attached drawing:
1-GIS simulator, 101-U shape pipe, 2- shell, 21- conductive rod, 22- moving contact, 23- static contact, 24- blind hole,
201- pressure difference interconnecting piece, 241- pilot hole, 222- guide rod, the first pressure regulator valve of 28-, 29- first pressure gauge, 201- pressure difference connect
Socket part, 3- shielding case, 4- strong current generator, 5- transparent sight hole, the first infrared radiation thermometer of 6-, the second infrared measurement of temperature of 61-
Instrument, 7- heat-sensitive sensor, 8- demodulator, 9- pressure vessel, the second pressure regulator valve of 91-, 92- second pressure gauge, 10- differential manometer.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation for explaining only the invention, are not made
For limitation of the invention.
Embodiment
Temperature rise monitoring test device inside and outside a kind of GIS, including GIS simulator 1, usually, the GIS simulator 1 wrap
Cylindrical housings 2 are included, are sealedly connected with disk insulator at the both ends of shell 2.The shell 2 is axially penetrated through equipped with conductive rod
21, conductive rod 21 is usually arranged concentrically with shell 2.The conductive rod 21 includes moving contact 22, static contact 23, the moving contact
22,23 junction of static contact is cased with shielding case 3, with the real working condition of complete Simulated GlS.It further include strong current generator 4, it is described
Strong current generator 4 and conductive rod 21 are electrically connected, and can input 0~5000A's to conductive rod 21 by strong current generator 4
Electric current.2 side wall of shell is equipped with transparent sight hole 5, is fixed with the first infrared radiation thermometer 6 outside the observation window 5, and described first
The setting of 6 face conductive rod 21 of infrared radiation thermometer.The temperature inside GIS can be monitored by the first infrared radiation thermometer 6.
Meanwhile the conductive rod 21, moving contact 22,23 side wall of static contact are equipped with heat-sensitive sensor 7, the heat-sensitive sensor
Device 7 is electrically connected with the demodulator 8 being located at outside GIS simulator 1, to detect the partial zones of conductive rod 21, moving contact 22, static contact 23
Domain temperature.Preferably, there are six the settings of heat-sensitive sensor 7, the heat-sensitive sensor 7 is located at moving contact 22, stationary contact
First 23, between 21 both ends of conductive rod, 21 end of conductive rod and moving contact 22, between 21 end of conductive rod and static contact 23, to obtain
Obtain accurate 21 barred body of conductive rod, moving contact 22,23 (surface temperature data of static contact.The GIS simulator 1 is also connected with
Pressure vessel 9 is connected with differential manometer 10 between the pressure vessel 9 and GIS simulator 1.It is understood that inside shell 2
The given volume in space, the gas pressure filled inside shell 2 increase with the raising of temperature, therefore pass through the reading of differential manometer 10
Number extrapolates the lithium hydrogen temperature rise inside shell 2 from side.Gas pressure in pressure vessel 9 only need to in shell 2
Gas pressure is close or equal.It further include the second infrared radiation thermometer 61, the 61 face shell 2 of the second infrared radiation thermometer is set
It sets, the temperature outside shell 2 can be obtained.
It should be noted that due to the second infrared radiation thermometer 61 be under room temperature environment and air environment in, can
Accurately obtain the temperature outside shell 2；And in the detection of actual GIS working condition, also use infrared measurement of temperature
Instrument measures GIS external temperature, therefore can be bonded with actual GIS operating condition.And heat-sensitive sensor 7 obtains contact and conductive rod
21 temperatures at localized regions, temperature detection result is accurate, but can only test the temperature of installation position；Infrared measurement of temperature can be intuitive
Monitor the temperature of entire interior zone, but due to by SF6 gas barrier (studies have shown that the atmospheric pressure of SF6 is bigger to infrared
The absorption of line is stronger, and the gas pressure of SF6 changes with the temperature change inside shell 2) lead to test data error
It is larger.It is calculated in addition, sulfur hexafluoride gas cannot function as perfect gas under GIS internal temperature and pressure, but gas inside GIS
The pressure of body can be read out by the sum of initial pressure numerical value and pressure difference count value, can be according to virial, rk, srk, the side qr
An equation in journey is modified, therefore can accurately extrapolate GIS internal gas temperature rise.In consideration of it, of the invention
Gas temperature three kinds of modes of liter are calculated using infrared measurement of temperature, heat-sensitive sensor, pressure difference and obtain GIS internal temperature, three groups of data are mutual
Amendment can obtain the true temperature of the gas of GIS inner conductive stick, the accurate temperature at each position of contact and inside.Thus
It can be fitted and obtain the inside and outside GIS temperature curve relationship, instruct in real work based on temperature inside GIS skin temperature measuring and calculating contact
Degree, it is bad inside GIS to find in time, it is ensured that safety.
Further, the moving contact 22 is slidably and sealingly connected with shell 2, and the moving contact 22 can be axial sliding along shell 2
Dynamic, the static contact 23 is fixedly connected with shell 2.Described 23 face moving contact of static contact, 22 one end is equipped with blind hole 24, described blind
Internal screw thread is provided in the middle part of hole 24,22 end sidewalls of moving contact are equipped with the external screw thread being adapted to internal screw thread, the moving contact
22 ends are plugged in blind hole 24.Therefore the conductive rod 21 being connected with moving contact 22, adjustable moving contact 22 and stationary contact are rotated
Contact resistance size between first 23.
Further, 24 bottom of blind hole is provided with pilot hole 241, and 22 end of moving contact is provided with guide rod
222, the guide rod 222 is adapted to pilot hole 241., it is understood that in this way, can prevent in rotation moving contact 22
When, 21 barred body of the conductive rod deflection being connected with moving contact 22, to guarantee connecing for 21 moving contact 22 of conductive rod and static contact 23
Touching resistance adjustment changes linearly, and contact resistance is prevented to be mutated.It and is to prevent gas inside differential manometer 10 or liquid and shell 2
Interior gas carries out heat exchange, and the present invention is provided with pressure difference interconnecting piece 201, the pressure difference interconnecting piece 201 in 2 side wall of shell
One end of face conductive rod 21 is equipped with flexible sheet, the one end of the pressure difference interconnecting piece 201 far from shell 2 and 10 phase of differential manometer
Even, the flexible sheet is provided with thermal insulation layer.It should be understood that since the pressure at flexible sheet both ends is equal in original state
Or it is very nearly the same, therefore the diaphragm that elasticity is good is only needed, such as sheet rubber.When pressure changes in shell 2, elasticity
The pressure at diaphragm both ends differs, to generate deformation, will not influence the measurement of pressure difference.
In addition, the present invention uses U-tube differential manometer, i.e., the described pressure difference for the sensitivity and intuitive that guarantee differential manometer 10
Meter 10 includes the transparent U-tube 101 being vertically arranged, wherein the caliber that the U-tube 101 contains liquid segment is 1mm.Correspondingly,
For the deformation quantity for reducing flexible sheet, the cylindrical cavity stated in the middle part of pressure difference interconnecting piece 201 for diameter 1cm.Meanwhile it is described
It is provided with cushion chamber at the top of one end that differential manometer 10 is connected with pressure vessel 9, liquid when preventing pressure-difference fluctuation excessive, in differential manometer
Body enters the measurement result in pressure vessel and influencing differential manometer.
More preferably, the shell 2, pressure vessel 9 are provided with gas filling connector, can carry out tonifying Qi, pumping and ventilation
Deng, with according to test demand adjustment GIS internal gas the blowing pressure, at gradation parameter, can both study and be led under different pressures
Relationship between torch, contact internal temperature and GIS skin temperature can also study GIS internal and external temperature under New insulated gas
Relationship.
Preferably, the first pressure regulator valve 28, first pressure gauge 29 is also respectively connected in the shell 2, can intuitively reads
The atmospheric pressure in shell 2 is taken, also can adjust gas pressure in shell 2.Meanwhile the pressure vessel 9 is also respectively connected
Two pressure regulator valves 91, second pressure gauge 92, the gas pressure in adjustable pressure vessel 9.By adjust first pressure gauge 29 or
Second pressure gauge 92 can make shell 2 equal with the pressure in pressure vessel 9, convenient for reading the pressure drop of pressure gauge 10.Cause
This, shell 2 and pressure vessel 9 can be filled by different gas sources, to save SF6 gas.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (10)
1. temperature rise monitoring test device inside and outside a kind of GIS, including GIS simulator (1), the GIS simulator (1) includes cylinder
Shell (2), the shell (2) axially penetrate through equipped with conductive rod (21), and the conductive rod (21) includes moving contact (22), static contact
(23), the moving contact (22), static contact (23) junction are cased with shielding case (3), further include strong current generator (4), described
Strong current generator (4) and conductive rod (21) are electrically connected, it is characterised in that: shell (2) side wall is equipped with transparent sight hole
(5), it is fixed with the first infrared radiation thermometer (6) outside the observation window (5), the first infrared radiation thermometer (6) face conductive rod
(21) it is arranged；Conductive rod (21) barred body, moving contact (22) side wall, static contact (23) side wall are equipped with heat-sensitive sensor (7),
The heat-sensitive sensor (7) demodulator (8) external with GIS simulator (1) is located at is electrically connected；The GIS simulator (1) is also connected with
Have pressure vessel (9), is connected with differential manometer (10) between the pressure vessel (9) and GIS simulator (1)；It further include second red
Outer temperature measurer (61), the second infrared radiation thermometer (61) face shell (2) setting.
2. temperature rise monitoring test device inside and outside GIS according to claim 1, it is characterised in that: the moving contact (22) with
Shell (2) is slidably and sealingly connected with, and the moving contact (22) can slide axially along shell (2), the static contact (23) and shell (2)
It is fixedly connected；Described static contact (23) face moving contact (22) one end is equipped with blind hole (24), is provided in the middle part of the blind hole (24)
Internal screw thread, moving contact (22) end sidewalls are equipped with the external screw thread being adapted to internal screw thread (25), moving contact (22) end
It is plugged in blind hole (24).
3. temperature rise monitoring test device inside and outside GIS according to claim 2, it is characterised in that: blind hole (24) bottom
It is provided with pilot hole (241), moving contact (22) end is provided with guide rod (222), the guide rod (222) and pilot hole
(241) it is adapted to.
4. temperature rise monitoring test device inside and outside GIS according to any one of claims 1 to 3, it is characterised in that: the shell
Body (2), pressure vessel (9) are provided with gas filling connector.
5. temperature rise monitoring test device inside and outside GIS according to claim 4, it is characterised in that: the shell (2) is also distinguished
It is connected with the first pressure regulator valve (28), first pressure gauge (29), the second pressure regulator valve is also respectively connected in the pressure vessel (9)
(91), second pressure gauge (92).
6. temperature rise monitoring test device inside and outside GIS according to claim 1, it is characterised in that: the heat-sensitive sensor (7)
There are six settings, and the heat-sensitive sensor (7) is located at moving contact (22), static contact (23), conductive rod (21) both ends, conduction
Between stick (21) end and moving contact (22), between conductive rod (21) end and static contact (23).
7. temperature rise monitoring test device inside and outside GIS according to claim 1, it is characterised in that: shell (2) side wall is set
It is equipped with pressure difference interconnecting piece (201), one end of pressure difference interconnecting piece (201) the face conductive rod (21) is equipped with flexible sheet, described
Pressure difference interconnecting piece (201) is connected far from the one end of shell (2) with differential manometer (10), and the flexible sheet is provided with thermal insulation layer.
8. temperature rise monitoring test device inside and outside GIS according to claim 7, it is characterised in that: differential manometer (10) packet
The transparent U-tube (101) being vertically arranged is included, the caliber that the U-tube (101) contains liquid segment is 1mm.
9. temperature rise monitoring test device inside and outside GIS according to claim 8, it is characterised in that: the pressure difference interconnecting piece
(201) middle part is the cylindrical cavity of diameter 1cm.
10. temperature rise monitoring test device inside and outside GIS according to claim 7, it is characterised in that: the differential manometer (10) with
Pressure vessel (9) is provided with cushion chamber at the top of connected one end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910526870.5A CN110160654A (en) | 2019-06-18 | 2019-06-18 | Temperature rise monitoring test device inside and outside a kind of GIS |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910526870.5A CN110160654A (en) | 2019-06-18 | 2019-06-18 | Temperature rise monitoring test device inside and outside a kind of GIS |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110160654A true CN110160654A (en) | 2019-08-23 |
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ID=67625871
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910526870.5A Pending CN110160654A (en) | 2019-06-18 | 2019-06-18 | Temperature rise monitoring test device inside and outside a kind of GIS |
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| CN110702234A (en) * | 2019-11-05 | 2020-01-17 | 广东电网有限责任公司 | GIS infrared temperature measuring device and temperature compensation calibration method thereof |
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| CN113406488A (en) * | 2021-06-16 | 2021-09-17 | 国网安徽省电力有限公司电力科学研究院 | GIS internal overheating fault test device and test method |
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| CN111024233A (en) * | 2019-11-14 | 2020-04-17 | 国网上海市电力公司 | Simulation device for poor contact of GIS internal contact and infrared calibration method |
| WO2021093381A1 (en) * | 2019-11-14 | 2021-05-20 | 国网上海市电力公司 | Simulation device for poor contact of gis internal contact and infrared calibration method |
| CN113406488A (en) * | 2021-06-16 | 2021-09-17 | 国网安徽省电力有限公司电力科学研究院 | GIS internal overheating fault test device and test method |
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Application publication date: 20190823 |