CN109211309A - Hydrogen, micro- water and oil pressure comprehensive on-line monitoring apparatus are dissolved in oil-filled equipment oil - Google Patents
Hydrogen, micro- water and oil pressure comprehensive on-line monitoring apparatus are dissolved in oil-filled equipment oil Download PDFInfo
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- CN109211309A CN109211309A CN201810928528.3A CN201810928528A CN109211309A CN 109211309 A CN109211309 A CN 109211309A CN 201810928528 A CN201810928528 A CN 201810928528A CN 109211309 A CN109211309 A CN 109211309A
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- sensor
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 66
- 238000012544 monitoring process Methods 0.000 title claims abstract description 45
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 38
- 239000001257 hydrogen Substances 0.000 title claims abstract description 38
- 125000004435 hydrogen atom Chemical class [H]* 0.000 title 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 39
- 150000002431 hydrogen Chemical class 0.000 claims abstract description 27
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 230000003750 conditioning effect Effects 0.000 claims abstract description 23
- 239000006071 cream Substances 0.000 claims abstract description 17
- -1 hydrogen- Chemical class 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims description 13
- 239000010935 stainless steel Substances 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- 239000003990 capacitor Substances 0.000 claims description 4
- 239000010408 film Substances 0.000 claims description 4
- 239000010409 thin film Substances 0.000 claims description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims description 2
- 239000013307 optical fiber Substances 0.000 claims description 2
- 238000012545 processing Methods 0.000 claims description 2
- 230000006978 adaptation Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000009413 insulation Methods 0.000 abstract description 10
- 238000005259 measurement Methods 0.000 description 8
- 238000012360 testing method Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 238000003745 diagnosis Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 229910002091 carbon monoxide Inorganic materials 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
- 239000005977 Ethylene Substances 0.000 description 2
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- YZCKVEUIGOORGS-IGMARMGPSA-N Protium Chemical group [1H] YZCKVEUIGOORGS-IGMARMGPSA-N 0.000 description 1
- 150000001345 alkine derivatives Chemical class 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 229910000833 kovar Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
Abstract
The invention discloses dissolve hydrogen, micro- water and oil pressure comprehensive on-line monitoring apparatus, including the micro- water integrated sensor of hydrogen-, pressure sensor, pedestal, adapter, signal conditioning unit and main control unit in a kind of oil-filled equipment oil；The micro- water integrated sensor of hydrogen-is arranged in adapter base, and takes oilhole to be tightly connected with oil-filled equipment；Oil outlet is arranged in adapter, and oil outlet is connected to oilhole is taken；Adapter top and pedestal are tightly connected；Shoe cream room is set in pedestal, and base bottom setting pressure draws oilhole；Pressure is drawn oilhole one end and is connected to oil outlet, and the other end is connected to shoe cream room；Pressure sensor is arranged in pedestal；Sensor is sequentially connected signal conditioning unit, main control unit.The present invention realizes the on-line monitoring of the hydrogen of oil-filled equipment, micro- water and oil pressure, passes through the state of insulation that online monitoring data diagnoses oil-filled equipment；Compared with traditional monitoring means, on-Line Monitor Device of the present invention has the advantages such as be not required to have a power failure, monitoring information is abundant, real-time monitoring diagnoses.
Description
Technical field
The invention belongs to oil filled electric power equipment monitoring technical field more particularly to a kind of oil-filled equipment oil in dissolve hydrogen,
Micro- water and oil pressure comprehensive on-line monitoring apparatus.
Background technique
Oil filled electric power equipment such as bushing shell for transformer, oil-immersed current transformer, voltage transformer, less oil breaker etc. is
One of capital equipment of electric system plays very important effect in the power system.Oil-filled equipment malfunction or damage is not only
It will cause power outage, or even substation equipment explosion can be caused even to lead to fire, further expansion accident range.It is oil-filled to set
Standby safe and stable operation directly affects the stabilization of entire power grid, diagnosis and evaluating significance to oil-filled equipment state of insulation
It is great.
For the insulation condition diagnosis of oil-filled equipment, traditional high-voltage electrical apparatus test such as dielectric loss, capacitance are tested, means
It is more single, and test data is influenced vulnerable to test condition, reflection insulation information is less, while needing power failure, test period long.
Summary of the invention
The purpose of the present invention is to provide the comprehensive on-line monitoring dress of hydrogen, micro- water and oil pressure is dissolved in a kind of oil-filled equipment oil
It sets, to solve above-mentioned technical problem.Bushing shell for transformer, oil-immersed current transformer, mutual induction of voltage can be achieved in the present invention
The on-line monitoring of the hydrogen of oil-filled equipments, micro- water and oil pressure such as device, less oil breaker, is diagnosed oil-filled by online monitoring data
The state of insulation of equipment.Compared with conventional offline monitoring means, on-Line Monitor Device of the present invention, which has, is not required to power failure, monitoring information
The advantages such as abundant, real-time monitoring diagnosis.
In order to achieve the above objectives, the invention adopts the following technical scheme:
Hydrogen, micro- water and oil pressure comprehensive on-line monitoring apparatus are dissolved during a kind of oil-filled equipment is oily, including the micro- water of hydrogen-integrates
Sensor, pressure sensor, pedestal, adapter and signal conditioning unit；
Adapter base is provided with the micro- water integrated sensor of hydrogen-, and takes oilhole to be tightly connected with oil-filled equipment；Adapter
Interior setting oil outlet, oil outlet take oilhole to be connected to oil-filled equipment；Adapter top and base bottom are tightly connected；It is set in pedestal
It is equipped with shoe cream room, base bottom is provided with pressure and draws oilhole；Pressure is drawn oilhole one end and is connected to oil outlet, the other end and shoe cream room
Connection；Pressure sensor for monitoring oil storage cavity pressure is installed on pedestal；
The micro- water integrated sensor of hydrogen-includes hydrogen gas sensor, micro- water sensor and signal transmssion line；Hydrogen-Wei Shuiji
Signal conditioning unit is all connected at sensor, pressure sensor.
It further, further include gate gurgle valve, draining conduction hole on pedestal；Draining conduction hole is arranged in base bottom；Draining
Conduction hole is connected to by gate gurgle valve with shoe cream room in pedestal.
Further, adapter is threadedly secured to oil-filled equipment and takes on oilhole.
Further, the sealing of pressure sensor one end, the other end are connected to shoe cream room in pedestal；The diaphragm of pressure sensor
Using stainless steel convoluted diaphragm, made of 316L stainless steel.
Further, hydrogen gas sensor uses solid-state palldium alloy film hydrogen gas sensor, is integrated with perseverance on hydrogen gas sensor
Temperature control coremaking piece；Micro- water sensor uses the micro- water sensor of capacitor thin film type.
Further, the oil outlet in adapter is cylindrical hole, internal diameter 2-3mm.
Further, adapter base and oil-filled equipment take oilhole connecting portion to be provided with sealing ring, and sealing ring is using O-shaped
Sealing ring.
Further, RS232 or RS485 type signal is used between the micro- water integrated sensor of hydrogen-and signal conditioning unit
Line connection；It is connected between pressure sensor and signal conditioning unit using RS232 or RS485 type signal wire.
Further, gate gurgle valve uses ball valve or enclosed valve, and gate gurgle valve oil seal pressure permission is greater than or equal to
0.55MPa, the internal diameter of gate gurgle valve are 3.0-5.0mm.
It further, further include main control unit；It is transmitted between signal conditioning unit and main control unit using RS485 type signal
Line, RS232 signal transmssion line or optical fiber connection；Signal conditioning unit is used to sense the micro- water integrated sensor of hydrogen-and oil pressure
Device hydrogen-micro- water integrated sensor and the collected signal of pressure sensor amplify, filter, anti-interference process, is converted into
Unified electric signal, is transmitted to main control unit；Main control unit realize to the display of hydrogen, micro- water and fuel injection pressure signal and with setting threshold
Value, which compares, to be alerted.
Compared with prior art, the beneficial effects of the present invention are:
The present invention provides hydrogen, micro- water and oil pressure comprehensive on-line monitoring apparatus is dissolved in a kind of oil-filled equipment oil, use
The on-line monitoring that the micro- water of hydrogen-is integrated, pressure sensor realizes hydrogen, micro- water and oil pressure in oil filled electric power equipment oil is set,
The state of insulation of oil-filled equipment is diagnosed by online monitoring data；Measurement accuracy of the present invention is high, small in size, at low cost, monitors
Be not required to have a power failure in journey, monitoring information it is abundant, also have the characteristics that real-time monitoring diagnoses；
Further, gate gurgle valve and draining conduction hole are set on pedestal；Oil draws oilhole through oil outlet, pressure in oil-filled equipment
Closed U-shaped oil circuit is formed with draining conduction hole, by controlling gate gurgle valve, oil can be drained through U-shaped oil circuit from draining in oil-filled equipment
It flows out in hole, is obtained convenient for live oil sample；
Further, hydrogen gas sensor uses solid-state porpezite film hydrogen gas sensor, solves in the prior art based on combustion
Expect the electrochemistry type list hydrogen monitors such as battery measurement inaccuracy, maintenance and the high problem of replacement frequency；The sensor is not necessarily to oil gas
Separator, test process no hydrogen consumption, compared with existing most hydrogen measurement devices in the market, to carbon monoxide, second
Alkynes, ethylene are insensitive, and hydrogen response specificity is good, and measurement accuracy is high.
Detailed description of the invention
Fig. 1 is to dissolve hydrogen, Wei Shui, oil pressure comprehensive on-line monitoring apparatus structure in a kind of oil-filled equipment oil of the invention to show
It is intended to；
Fig. 2 is to dissolve the application of hydrogen, micro- water and oil pressure comprehensive on-line monitoring apparatus in a kind of bushing shell for transformer in oil to show
It is intended to.
Wherein: 1 hydrogen-micro- water integrated sensor, 1-1 hydrogen sensor chip, the micro- water sensor chip of 1-2,1-3 signal
Transmission line, 2 pressure sensors, 3 gate gurgle valves, 4 pedestals, 4-1 pressure draw oilhole, 4-2 draining conduction hole, 5 adapters, and 5-1 is fuel-displaced
Hole, 5-2 installation is to interface, 6 sealing rings, 7 signal conditioning units, 8-1A phase bushing, 8-2B phase bushing 8-3C phase height
Pressing sleeve pipe, 9 on-Line Monitor Devices, 10 main control units, 11 transformers.
Specific embodiment
It elaborates in the following with reference to the drawings and specific embodiments to the present invention.
With reference to shown in attached drawing 1-2, the present invention provides dissolve hydrogen, micro- water and oil pressure synthesis in a kind of oil-filled equipment oil to exist
Line monitoring device 9, including the micro- water sensor 1 of hydrogen-, pressure sensor 2, gate gurgle valve 3, pedestal 4, adapter 5, signal condition list
Member 7 and main control unit 10.
The bottom of adapter 5 is equipped with installation to interface 5-2, installs and takes oilhole on interface 5-2 and oil-filled equipment box shell
It is adapted, adapter 5 takes oilhole to connect interface 5-2 by installation in oil-filled equipment box shell；Installation to interface 5-2 with fill
Oily equipment takes and is equipped with sealing ring 6 between oilhole, and sealing ring 6 is made of high temperature resistant, corrosion resistant rubber material, avoids because of the external world
Sealing performance caused by the excessively high and long-term oil corrosion of temperature of changing commanders declines, and sealing ring 6 uses O-ring seal.
Oil outlet 5-1 is provided on adapter 5, oil outlet 5-1 takes oilhole to be connected to oil-filled equipment；Oil outlet 5-1 is circle
Column structure, internal diameter 2-3mm are smoothly circulated under various environment temperatures with meeting oil in oil-filled equipment.
The bottom of adapter 5 is additionally provided with the micro- water integrated sensor 1 of hydrogen-, and the micro- water sensor 1 of hydrogen-is passed including hydrogen
Sensor 1-1, micro- water sensor 1-2 and circuit board, hydrogen gas sensor 1-1 and micro- water sensor 1-2 are respectively welded on circuit boards；
Circuit board is connect by signal transmssion line 1-3 with signal conditioning unit 7, by signal transmssion line 1-3 by the micro- water sensor of hydrogen-
1 signal value measured is transmitted to signal conditioning unit 7 and is handled.Circuit board is used for hydrogen gas sensor 1-1 and micro- water sensor
Output signal acquisition, the level translation of 1-2, is that hydrogen gas sensor 1-1 and micro- water sensor 1-2 are connect with signal transmssion line 1-3
Carrier.
Hydrogen gas sensor 1-1 uses palladium-nickel alloy film solid state sensor, and hydrogen measurement range is up to 25-5000ppm, measurement
Precision is up to 25ppm, and reachable -20-+55 DEG C of operating temperature, for the cross-over gases susceptibility such as carbon monoxide, ethylene, acetylene
Less than 2%；Thermostatic control chip is also integrated on hydrogen gas sensor 1-1, it is ensured that oil temperature fluctuate when hydrogen measurement stability and
Reliability.
Micro- water sensor 1-2 uses the micro- water sensor of capacitor thin film type, and the micro- water sensor of capacitor thin film type can be in inside
Polymeric membrane carries out capacitive change when absorbing moisture, and micro- water gaging range is up to 0-500ppm, and measurement accuracy is up to 10ppm.
Signal transmssion line 7 is transmitted using RS232 or RS485 signal wire, hydrogen gas sensor 1-1, micro- water sensor 1-2 power supply
Route uses RS232 or RS485 signal wire.
5 top of adapter is connect with 4 sealed bottom of pedestal；Pedestal 4 uses hollow structure, is provided with shoe cream room in pedestal 4；
4 bottom of pedestal setting pressure draws oilhole 4-1, draining fairlead 4-2；Pressure draws the oil outlet on the one end oilhole 4-1 and adapter 5
5-1 connection, pressure are drawn the oilhole 4-1 other end and are connected to the shoe cream room in pedestal 4, and draining fairlead 4-2 is connected to shoe cream room.
Pressure sensor 2 is arranged in 4 one end of pedestal；The sealing of 2 one end of pressure sensor, the other end and the shoe cream room in pedestal 4
Connection；
Pressure sensor 2 uses pressure-resistance type pressure sensitive element, zero point amendment and temperature compensation function with pressure；Pressure
Reachable -20 DEG C~+80 DEG C of 2 wide temperature compensation range of force snesor, avoids the pressure measurement errors due to caused by temperature change；
Pressure sensor 2 is equipped with isolated structure, and oil circuit and electric loop are kept apart, and is suitable for multiple fluid medium；Pressure sensing
The electrical connection of device 2 uses gold-plated kovar pin；The diaphragm of pressure sensor 2 is stainless steel convoluted diaphragm, stainless steel convoluted diaphragm
It is made of 316L stainless steel, has the advantages that antiseptic property is strong；Pressure sensor range is 0~1.0MPa, precision 0.25
Grade, pressure respectively rate down to 0.1kPa.
4 other end of pedestal is arranged gate gurgle valve 3, gate gurgle valve 3 be arranged in the shoe cream room in draining conduction hole 4-2 and pedestal 4 it
Between, gate gurgle valve 3 uses ball valve or enclosed valve, and 3 oil seal pressure permission of gate gurgle valve is not less than 0.55MPa, to meet scene
Oil pressure testing requirement；3 internal diameter of gate gurgle valve is 3.0-5.0mm.
Oil draws oilhole 4-1, shoe cream room and draining conduction hole 4-2 in pedestal 4 through oil outlet 5-1, pressure in oil-filled equipment
Closed U-shaped oil circuit is formed, gate gurgle valve 3 is adjusted, oil can be flowed out through U-shaped oil circuit from draining conduction hole 4-2 in oil-filled equipment, be convenient for
Live oil sample obtains.
The top of pedestal 4 is arranged in signal conditioning unit 7, be provided between pedestal 4 and signal conditioning unit 7 it is closed every
From preventing in oil-filled equipment oil to penetrate into signal conditioning unit 7.
The output end of signal conditioning unit 7 is connect with power supply and main control unit 10 respectively by signal data line；Signal tune
Managing the signal data line between unit 7 and main control unit 10 is RS485 type signal data line, RS232 type signal data line or light
It is fine；Signal transmssion line between signal conditioning unit 7 and main control unit 10 is double layer screen twisted wire, radio frequency electromagnetic field radiation anti-interference
Degree is three-level or more.
Signal conditioning unit 7 amplifies the micro- water integrated sensor of hydrogen-and the collected signal of oil pressure sensor, filters
Wave, anti-interference process are converted into unified electric signal, are transmitted to main control unit 10.Main control unit 10 realize to hydrogen, micro- water and
The display of fuel injection pressure signal and alarm function.On-Line Monitor Device 9 realizes on-line monitoring function, and main control unit 10 is by passing three
The data that sensor uploads realize diagnostic function compared with given threshold.The prior art oily equipment not few to casing etc. realizes hydrogen
The monitoring, diagnosing of the on-line monitoring and diagnostic function of the state parameters such as gas, micro- water, oil pressure, few oily equipment such as casing is by stopping
Off-line monitoring after drawing oil sample after electricity.
On-Line Monitor Device is handled using water proof and dust proof, and degree of protection is not less than IP55 grades.
Inventive principle:
When the state of insulation of oil-filled equipment changes, and such as partial discharges fault occurs for inside, big measure feature can be generated
Gas, such as hydrogen, acetylene, carbon monoxide, oil pressure can also change, and pass through monitoring Oil Dissolved Gases Concentration and oil pressure energy
Rapidly and accurately diagnose the state of insulation of oil-filled equipment；Meanwhile when oil-filled equipment runing time is longer, due to external humidification into
Enter, causes micro-water content in oil to rise, pass through the state of insulation of the variation monitoring oil-filled equipment of micro-water content.
Below it is practical application embodiment:
In practical applications, with reference to Fig. 2, three on-Line Monitor Devices 9 of the present invention are separately mounted to transformer
11 A phase bushing 8-1, B phase bushing 8-2, C phase bushing 8-3 flange takes at oilhole, and monitoring signals can pass simultaneously
The main control unit 10 for transporting to ground carries out the analysis processing, alarm and insulation condition diagnosis work of data.With existing monitoring means
It compares, the present invention is using hydrogen, Wei Shui, the three-in-one compound sensor of oil pressure, it can be achieved that dissolving hydrogen, micro- in few oil equipment oil
The synthesis real-time monitoring of water, oil pressure.Compared with the prior device, it being not required to have a power failure when systematic survey, monitoring data are abundant, and precision is high,
Contour structures are compact, are easily installed, cheap.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (9)
1. dissolving hydrogen, micro- water and oil pressure comprehensive on-line monitoring apparatus in a kind of oil-filled equipment oil, which is characterized in that including hydrogen
The micro- water integrated sensor (1) of gas-, pressure sensor (2), pedestal (4), adapter (5) and signal conditioning unit (7)；
Adapter (5) bottom is provided with the micro- water integrated sensor (1) of hydrogen-, and takes oilhole to be tightly connected with oil-filled equipment；Adaptation
Oil outlet (5-1) is set in device (5), oil outlet (5-1) takes oilhole to be connected to oil-filled equipment；Adapter (5) top and pedestal (4)
Sealed bottom connection；It is provided with shoe cream room in pedestal (4), pedestal (4) bottom is provided with pressure and draws oilhole (4-1)；Pressure draws oil
Hole one end (4-1) is connected to oil outlet (5-1), and the other end is connected to shoe cream room；Pedestal is equipped on (4) for monitoring shoe cream room
The pressure sensor (2) of pressure；
The micro- water integrated sensor (1) of hydrogen-includes hydrogen gas sensor (1-1), micro- water sensor (1-2) and signal transmssion line (1-
3)；The micro- water integrated sensor (1) of hydrogen-, pressure sensor (2) are all connected with signal conditioning unit (7).
2. hydrogen, micro- water and oil pressure comprehensive on-line monitoring apparatus are dissolved in a kind of oil-filled equipment oil according to claim 1,
It is characterized in that, further including gate gurgle valve (3), draining conduction hole (4-2) on pedestal (4)；Draining conduction hole (4-2) is arranged in pedestal
(4) bottom；Draining conduction hole (4-2) is connected to by gate gurgle valve (3) with pedestal (4) interior shoe cream room.
3. hydrogen, micro- water and oil pressure comprehensive on-line monitoring apparatus are dissolved in a kind of oil-filled equipment oil according to claim 1,
It is characterized in that, the sealing of pressure sensor (2) one end, the other end are connected to pedestal (4) interior shoe cream room；Pressure sensor (2)
Diaphragm uses stainless steel convoluted diaphragm, is made of 316L stainless steel.
4. hydrogen, micro- water and oil pressure comprehensive on-line monitoring apparatus are dissolved in a kind of oil-filled equipment oil according to claim 1,
It is characterized in that, hydrogen gas sensor (1-1) uses solid-state palldium alloy film hydrogen gas sensor, integrated on hydrogen gas sensor (1-1)
There is thermostatic control chip；Micro- water sensor (1-2) uses the micro- water sensor of capacitor thin film type.
5. hydrogen, micro- water and oil pressure comprehensive on-line monitoring apparatus are dissolved in a kind of oil-filled equipment oil according to claim 1,
It is characterized in that, the oil outlet (5-1) in adapter (5) is cylindrical hole, internal diameter 2-3mm.
6. hydrogen, micro- water and oil pressure comprehensive on-line monitoring apparatus are dissolved in a kind of oil-filled equipment oil according to claim 1,
It is characterized in that, adapter (5) bottom and oil-filled equipment take oilhole connecting portion to be provided with sealing ring (6), sealing ring (6) is used
O-ring seal.
7. hydrogen, micro- water and oil pressure comprehensive on-line monitoring apparatus are dissolved in a kind of oil-filled equipment oil according to claim 1,
It is characterized in that, using RS232 or RS485 type signal between the micro- water integrated sensor (1) of hydrogen-and signal conditioning unit (7)
Line connection；It is connect between pressure sensor (2) and signal conditioning unit (7) using RS232 or RS485 type signal wire.
8. hydrogen, micro- water and oil pressure comprehensive on-line monitoring apparatus are dissolved in a kind of oil-filled equipment oil according to claim 2,
It is characterized in that, gate gurgle valve (3) uses ball valve or enclosed valve, gate gurgle valve (3) oil seal pressure permission is greater than or equal to
0.55MPa, the internal diameter of gate gurgle valve (3) are 3.0-5.0mm.
9. hydrogen, micro- water and oil pressure comprehensive on-line monitoring apparatus are dissolved in a kind of oil-filled equipment oil according to claim 8,
It is characterized in that, further including main control unit (10)；Believed between signal conditioning unit (7) and main control unit (10) using RS485 type
Number transmission line, RS232 signal transmssion line or optical fiber connection；Signal conditioning unit (7) be used for the micro- water integrated sensor of hydrogen-and
Oil pressure sensor hydrogen-micro- water integrated sensor (1) and pressure sensor (2) collected signal are amplified, are filtered, is anti-dry
Processing is disturbed, unified electric signal is converted into, is transmitted to main control unit (10)；Main control unit (10) is realized to hydrogen, Wei Shui and oil
It presses the display of signal and is alerted compared with given threshold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810928528.3A CN109211309B (en) | 2018-08-15 | 2018-08-15 | Integrated on-line monitoring device for dissolved hydrogen, micro-water and oil pressure in oil of oil charging equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810928528.3A CN109211309B (en) | 2018-08-15 | 2018-08-15 | Integrated on-line monitoring device for dissolved hydrogen, micro-water and oil pressure in oil of oil charging equipment |
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| Publication Number | Publication Date |
|---|---|
| CN109211309A true CN109211309A (en) | 2019-01-15 |
| CN109211309B CN109211309B (en) | 2020-12-29 |
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| CN201810928528.3A Active CN109211309B (en) | 2018-08-15 | 2018-08-15 | Integrated on-line monitoring device for dissolved hydrogen, micro-water and oil pressure in oil of oil charging equipment |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109884488A (en) * | 2019-04-11 | 2019-06-14 | 苏州正秦电气有限公司 | A kind of bushing shell for transformer online oil monitoring device collector |
| CN111007366A (en) * | 2019-12-17 | 2020-04-14 | 武汉拓清科技有限公司 | Oil type casing hidden danger monitoring system and method |
| CN111289935A (en) * | 2020-02-25 | 2020-06-16 | 国网江苏省电力有限公司泰州供电分公司 | Moisture distribution testing system of inverted oil-immersed current transformer |
| CN111474328A (en) * | 2020-04-20 | 2020-07-31 | 西安西变组件有限公司 | Transformer oil detection device and oil-filled electrical equipment |
| CN113447085A (en) * | 2021-09-01 | 2021-09-28 | 中国电力科学研究院有限公司 | Online monitoring device for hydrogen content, pressure and temperature of oil in oil equipment |
| CN113740110A (en) * | 2021-09-26 | 2021-12-03 | 西安亚能电气有限责任公司 | Little oily equipment dissolved hydrogen monitoring system based on many sensing fusion techniques |
| CN114088780A (en) * | 2021-11-12 | 2022-02-25 | 国网江苏省电力有限公司电力科学研究院 | Measurement system for distribution of hydrogen inside oil immersed current transformer in running state |
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