CN105318915A - Moisture, hydrogen content and temperature transmitter applicable to online monitoring of state of transformer - Google Patents
Moisture, hydrogen content and temperature transmitter applicable to online monitoring of state of transformer Download PDFInfo
- Publication number
- CN105318915A CN105318915A CN201510889635.6A CN201510889635A CN105318915A CN 105318915 A CN105318915 A CN 105318915A CN 201510889635 A CN201510889635 A CN 201510889635A CN 105318915 A CN105318915 A CN 105318915A
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- Prior art keywords
- moisture
- temperature transmitter
- fastener
- hydrogen richness
- pipe
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Links
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 74
- 239000001257 hydrogen Substances 0.000 title claims abstract description 74
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 68
- 238000012544 monitoring process Methods 0.000 title claims abstract description 26
- 230000003044 adaptive effect Effects 0.000 claims abstract description 38
- 238000009434 installation Methods 0.000 claims abstract description 26
- 238000009413 insulation Methods 0.000 claims abstract description 24
- 150000002431 hydrogen Chemical class 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 36
- 239000000523 sample Substances 0.000 claims description 16
- 239000012530 fluid Substances 0.000 claims description 13
- 229910052755 nonmetal Inorganic materials 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 7
- 239000003822 epoxy resin Substances 0.000 claims description 5
- 229920000647 polyepoxide Polymers 0.000 claims description 5
- 239000004734 Polyphenylene sulfide Substances 0.000 claims description 2
- 239000004809 Teflon Substances 0.000 claims description 2
- 229920006362 Teflon® Polymers 0.000 claims description 2
- 229920000069 polyphenylene sulfide Polymers 0.000 claims description 2
- 241000628997 Flos Species 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- 238000013461 design Methods 0.000 abstract description 4
- 238000004806 packaging method and process Methods 0.000 abstract 2
- 238000005259 measurement Methods 0.000 abstract 1
- 230000010355 oscillation Effects 0.000 abstract 1
- LVROLHVSYNLFBE-UHFFFAOYSA-N 2,3,6-trichlorobiphenyl Chemical compound ClC1=CC=C(Cl)C(C=2C=CC=CC=2)=C1Cl LVROLHVSYNLFBE-UHFFFAOYSA-N 0.000 description 8
- 239000007788 liquid Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000004606 Fillers/Extenders Substances 0.000 description 3
- 239000003570 air Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 229920006389 polyphenyl polymer Polymers 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 210000000664 rectum Anatomy 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- 230000000007 visual effect Effects 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 relates to a moisture, hydrogen content and temperature transmitter applicable to online monitoring of the state of a transformer. The moisture, hydrogen content and temperature transmitter comprises an electrical box, a long detection tube, an installation adaptive connector and a sensor core body heat-insulation packaging unit, wherein the long detection tube is connected with the electrical box in a sealed mode; the installation adaptive connector sleeves the long detection tube; the sensor core body heat-insulation packaging unit is arranged in a detection part of the long detection tube, and comprises an upper insulation clamping element, a lower insulation clamping element, a flexible circuit board, a hydrogen sensitive core body, a temperature and humidity sensor and a heat-insulation seal bench; and the moisture, hydrogen content and temperature transmitter also comprises a flexible circuit conduction band. According to the invention, the measurement precision of the moisture, hydrogen content and temperature transmitter is enhanced; the adjustable installation adaptive connector enables the installation depth of the detection part to be applicable to various transformer valve bodies; the temperature and humidity sensor with the special requirement can extend out of an oil hole region; and the hydrogen sensitive core body is positioned in the oil hole region. By the design, the oscillation value of the water content can be detected rapidly and reliably, and meanwhile, the temperature control for disturbing the hydrogen sensitive core body can be prevented.
Description
Technical field
The invention belongs to on-line monitoring technique field, particularly a kind of moisture, hydrogen richness and temperature transmitter being applicable to transformer state on-line monitoring.
Background technology
Power transformer is the visual plant in electrical network.Aging, high capacity level and network failure all can cause transformer impaired, thus increase chance failure and power breakdown risk.Hydrogen richness and rate of change thereof can the orders of severity of faults state, and moisture can have a direct impact transformer life.And water content in oil produces material impact for the insulating capacity of transformer cellulose situation and fluid.Utilization is arranged on the probe such as getting the home position such as hydraulic fluid port and carries out to hydrogen richness and liquid water content the first step that monitoring is continuously preventive maintenance measures extend transformer life, final reduction owner total cost.
At present, for the sensor apparatus of transformer state on-line monitoring, use oil well pump, flexible pipe, battery, valve, film or other may break down or cause the wear part of power breakdown, shorten product serviceable life; And inevitably can introduce micro-outside ambient air in operating process, accumulate and bring hidden danger by the safe operation of transformer; Meanwhile, there is the poor problem of measuring accuracy in sensor.
Summary of the invention
The technical problem to be solved in the present invention overcomes the deficiencies in the prior art, a kind of moisture, hydrogen richness and the temperature transmitter that are applicable to transformer state on-line monitoring are provided, achieve three kinds of key parameters to measure, adjustable probe fitting depth can adapt to various transformer valve body, and directly can contact with representative fluid.
For solving above technical matters, the present invention adopts following technical scheme:
A kind of moisture, hydrogen richness and temperature transmitter being applicable to transformer state on-line monitoring, comprise the electrical box for signal transacting and output, described moisture, hydrogen richness and temperature transmitter also comprise rearward end and are tightly connected mutually with described electrical box and have the long sound-pipe of probe portion and connecting portion, be sheathed on described long sound-pipe for the installation of connection transformer adaptive joint, the sensor core heat insulating package unit be arranged in the probe portion of described long sound-pipe; Described sensor core heat insulating package unit comprising adiabatic fastener, lower adiabatic fastener, being unsettledly fixed on flexible PCB between described upper adiabatic fastener and described lower adiabatic fastener, being welded in the quick core body of hydrogen on the surface of described flexible PCB and Temperature Humidity Sensor, being sheathed on the thermal insulation sealing stage for described upper adiabatic fastener and described lower adiabatic fastener being fixed in the rearward end of described upper adiabatic fastener and described lower adiabatic fastener; The flexible circuit conduction band that described moisture, hydrogen richness and temperature transmitter also comprise leading section and described flexible PCB is electrically connected, rearward end stretches out described long sound-pipe and be electrically connected with the lower circuit board in described electrical box.
Particularly, the rearward end of described long sound-pipe to extend in described electrical box and by ring flange nut, described long sound-pipe and described electrical box is screwed and be tightly connected.
Particularly, it is continuous that described moisture, hydrogen richness and temperature transmitter also comprise the thermal insulation of filling out in the connecting portion being located at described long sound-pipe.
Particularly, described moisture, hydrogen richness and temperature transmitter also comprise the overcoat clamp nut be sheathed on described long sound-pipe, be sheathed on described long sound-pipe and nonmetal cutting ferrule between described overcoat clamp nut and the adaptive joint of described installation, and described overcoat clamp nut is threaded mutually with the adaptive joint of described installation thus described nonmetal cutting ferrule and described installation adaptation joint are offseted.
Particularly, the material of described nonmetal cutting ferrule is teflon.
Particularly, described moisture, hydrogen richness and temperature transmitter also comprise the groove be formed on the adaptive joint of described installation, are arranged in described groove thus make to form the soft O RunddichtringO contacting sealing between the adaptive joint of described installation and described long sound-pipe.
Particularly, described moisture, hydrogen richness and temperature transmitter also comprise be opened in the adaptive joint of described installation ball valve link on and the endoporus be connected with ball valve core, be opened on the adaptive joint of described installation and the exhaust bolt hole be connected with described endoporus, the exhaust bolt be installed in described exhaust bolt hole.
More specifically, sealing gasket is arranged with between described exhaust bolt and the adaptive joint of installation.
Particularly, described sensor core heat insulating package unit also comprises circular hole on the disc being up and down opened in described thermal insulation sealing stage respectively, to be arranged in described circular hole and described upper adiabatic fastener can be held out against mutually with described lower adiabatic fastener thus the sub-head screw clamped by described flexible PCB respectively.
Particularly, described sensor core heat insulating package unit also comprise be formed in described long sound-pipe inwall on first protruding, second protruding, the groove be formed in described thermal insulation sealing stage be arranged in described thermal insulation sealing stage, be arranged on the 2nd O RunddichtringO, the 3rd O RunddichtringO be set in described groove between described first protruding and the second described projection.
Particularly, described sensor core heat insulating package unit also comprises and being potted in described thermal insulation sealing stage for by from the gap sealed epoxy resin passing described flexible circuit conduction band between described upper adiabatic fastener and described lower adiabatic fastener and formed.
Particularly, the thickness of described flexible PCB is 0.4 ~ 1mm.
Particularly, described moisture, hydrogen richness and temperature transmitter also comprise and to be threaded mutually with the leading section of described long sound-pipe thus described sensor core heat insulating package unit to be fixed on end cap in the probe portion of described long sound-pipe, to be formed on described end cap for the first oil guiding hole that the fluid in transformer passes in and out.
Particularly, described moisture, hydrogen richness and temperature transmitter also comprise and are formed in the second oil guiding hole on described upper adiabatic fastener or described lower adiabatic fastener and corresponding with described hydrogen quick core body position, are formed on described long sound-pipe and the 3rd oil guiding hole coincided with the second described oil guiding hole.
Particularly, the material of described upper adiabatic fastener, described lower adiabatic fastener and described thermal insulation sealing stage is polyphenylene sulfide.
On the front and back related in the present invention, the inferior noun of locality is reference with Fig. 1, and after in Fig. 1, side, electrical box place is, side, end cap place is front, and the right side of Fig. 1 is upper, under left side is.
Due to the enforcement of technique scheme, the present invention compared with prior art tool has the following advantages:
The present invention, by the improvement to moisture, hydrogen richness and temperature transmitter structure, makes the heat exchanger effectiveness between flexible PCB and surrounding fluid fluid high, less on the impact of hydrogen quick chip temperature control, improves the measuring accuracy of moisture, hydrogen richness and temperature transmitter.The adaptive joint of adjustable installing makes probe portion fitting depth can adapt to various transformer valve body, the extended oilhole district of particular/special requirement Temperature Humidity Sensor, the quick core body of hydrogen is positioned at oilhole district, and this design can detect liquid water content undulating quantity in fast and reliable ground, avoids interference the temperature control of the quick core body of hydrogen simultaneously.
Accompanying drawing explanation
Fig. 1 is a kind of moisture, hydrogen richness and temperature transmitter being applicable to transformer state on-line monitoring of the present invention
Structural representation;
Fig. 2 is the probe portion place structure for amplifying schematic diagram of Fig. 1;
Fig. 3 is the structural design element exploded view of Fig. 1 sensor core heat insulating package unit;
Wherein: 1, electrical box; 2, ring flange nut; 3, long sound-pipe; 3a, the 3rd oil guiding hole; 4, electrical connector; 5, lower circuit board; 6, upper circuit board; 7, card extender; 8, adiabatic cotton; 9, overcoat clamp nut; 10, nonmetal cutting ferrule; 11, adaptive joint is installed; 11a, endoporus; 11b, exhaust bolt hole; 12, exhaust bolt; 13, sealing gasket; 14, an O RunddichtringO; 15, end cap; 15a, the first oil guiding hole; 16, flexible circuit conduction band; 17, the 2nd O RunddichtringO; 18, the 3rd O RunddichtringO; 19, upper adiabatic fastener; 20, lower adiabatic fastener; 21, adiabatic sealing stage; 22, epoxy resin; 23, sub-head screw; 24, flexible PCB; 25, the quick core body of hydrogen; 26, Temperature Humidity Sensor.
Embodiment
Below with reference to Figure of description and specific embodiment, the present invention is described in further details.
Fig. 1 to Fig. 3 shows a kind of embodiment that the present invention is applicable to the moisture of transformer state on-line monitoring, hydrogen richness and temperature transmitter, this product comprises electrical box 1, long sound-pipe 3, installs adaptive joint 11, overcoat clamp nut 9, upper adiabatic fastener 19, lower adiabatic fastener 20, adiabatic sealing stage 21, end cap 15, flexible circuit conduction band 16 etc.
Electrical box 1 is for signal transacting and output, it can purchased parts, and roughly comprise non-metal shell, the card extender 7 be arranged in non-metal shell, the lower circuit board 5 be connected by screw with card extender 7, the upper circuit board 6 that is connected by contact pin with lower circuit board 5, be arranged on the electrical connector that housing up and down circuit board 5 is connected by cable.
Long sound-pipe 3 has the probe portion being positioned at front side and the connecting portion being positioned at rear side, and it is inner and to be screwed with electrical box 1 by long sound-pipe 3 by ring flange nut 2 and be connected and seal that the rearward end of long sound-pipe 3 extends electrical box 1.Adaptive joint 11 is installed and overcoat clamp nut 9 is sheathed on long sound-pipe 3, in the probe portion of long sound-pipe 3, is provided with sensor core heat insulating package unit.Sensor core heat insulating package unit comprising adiabatic fastener 19, lower adiabatic fastener 20, being unsettledly fixed on flexible PCB 24 between adiabatic fastener 19 and lower adiabatic fastener 20, being welded in the quick core body of hydrogen 25 on the surface of flexible PCB 24 and Temperature Humidity Sensor 26, being sheathed on the thermal insulation sealing stage 21 for upper adiabatic fastener 19 and lower adiabatic fastener 20 being fixed in the rearward end of adiabatic fastener 19 and lower adiabatic fastener 20.Upper adiabatic fastener 19, lower adiabatic fastener 20 and adiabatic sealing stage 21 are assembled into insulated cylinder.The leading section of flexible circuit conduction band 16 is electrically connected with flexible PCB 24, and the rearward end of flexible circuit conduction band 16 passes long sound-pipe 3, and extends in electrical box 1 and be electrically connected with the lower circuit board 5 in electrical box 1.In this structure, upper adiabatic fastener 19, lower adiabatic fastener 20 and adiabatic sealing stage 21 all select the high polyphenyl thioether material of coefficient of heat insulation to process, three combines adult, interior clamping low profile flexible circuit board 24, because low profile flexible circuit board 24 has the little characteristic of area large volume, and the heat exchanger effectiveness around between fluid fluid is high, less on the impact of hydrogen quick chip 25 temperature control, improve the measuring accuracy of moisture, hydrogen richness and temperature transmitter.Adopt the adaptive joint 11 of adjustable installing, make the fitting depth of the probe portion of long sound-pipe 3 can adapt to various transformer valve body, Temperature Humidity Sensor 26 extended oilhole district during particular/special requirement, the quick core body 25 of hydrogen is positioned at oilhole district, this design can detect liquid water content undulating quantity in fast and reliable ground, avoids the temperature control of interfere with hydrogen quick core body 25 simultaneously.
In the present embodiment, the leading section of long sound-pipe 3 is equiped with an end cap 15, and this end cap 15 screws with the leading section screw thread of long sound-pipe 3 thus is fixed in long sound-pipe 3 by sensor core heat insulating package unit.End cap 15 has several the first oil guiding hole 15a for the fluid turnover in transformer, the Temperature Humidity Sensor 26 being mainly used in probe end directly contacts with fluid completely, can fast and reliable ground detection liquid water content undulating quantity.
In the present embodiment, install the V-shaped nonmetal cutting ferrule 10 being provided with between adaptive joint 11 and overcoat clamp nut 9 and being set on long sound-pipe 3, overcoat clamp nut 9 is threaded with the adaptive joint 11 of installation and orders about nonmetal cutting ferrule 10 and holds out against and install adaptive joint 9.This nonmetal cutting ferrule 10 adopts polytetrafluoroethylmaterial material to make, and its effect has three: one, plays the sealing function between the adaptive joint 11 of installation and long sound-pipe 3; Two, adaptive joint 9 can be avoided installing form intermetallic with long sound-pipe 3 and directly contact, ensure that repetition dismounting is to long sound-pipe 3 outer wall not damaged; Three, play be in place after the effect of fastening long sound-pipe 3.
In the present embodiment, moisture, hydrogen richness and temperature transmitter also comprise the groove be formed on the adaptive joint 11 of installation, are arranged in groove thus make to install the O RunddichtringO 14 forming soft contact sealing between adaptive joint 11 and long sound-pipe 3.One O RunddichtringO 14 can seal further to being formed between the adaptive joint 11 of installation and long sound-pipe 3, substantially increases sealing effectiveness; Especially unscrew at the adaptive joint 11 of installation, under the probe portion adjusting long sound-pipe 3 stretches into liquid length situation, prevent fluid from overflowing in a large number, it also avoid air and enter in oil pocket, play positive confinement effect.
In the present embodiment, the ball valve link installing adaptive joint 11 offers endoporus 11a, installs adaptive joint 11 and is provided with the exhaust bolt hole 11b communicated with endoporus 11a, be provided with exhaust bolt 12 in the 11b of exhaust bolt hole.The aperture of this endoporus 11a is greater than ball valve core latus rectum, when moisture, hydrogen richness and temperature transmitter are installed, in ball valve, residual air can under pressure, along ball valve core, endoporus 11a, progressively converges at exhaust bolt 12 place of the highest relative position, ensure that the fully effective discharge of air.
In the present embodiment, fill out in the connecting portion of long sound-pipe 3 and be provided with adiabatic continuous 8.This thermal insulation continuous 8 reduce further ambient temperature change to the impact of hydrogen quick core body 25 temperature control, further increases the measuring accuracy of moisture, hydrogen richness and temperature transmitter.
In the present embodiment, exhaust bolt 12 and install between adaptive joint 11 and be arranged with sealing gasket 13.Sealing pad 13 can ensure exhaust bolt 12 and install between adaptive joint 11 to have good sealing effectiveness, prevents extraneous gas from entering, ensure that the safe operation of transformer.
In the present embodiment, the symmetry of disc up and down of adiabatic sealing stage 21 offers circular hole, sub-head screw 23 is screwed into respectively in circular hole, two sub-head screws 23 hold out against with upper adiabatic fastener 19 and lower adiabatic fastener 20 respectively, adiabatic sealing stage 21, upper adiabatic fastener 19 and lower adiabatic fastener 20 three become a right cylinder under the effect of sub-head screw 23, thus complete the unsettled fixation of flexible PCB 24, be convenient to sensor core heat insulating package unit simultaneously and be integrally installed in long sound-pipe 3.
In the present embodiment, sensor core heat insulating package unit also comprise be formed in long sound-pipe 3 inwall on the first protruding 3b, the second protruding 21a be arranged in adiabatic sealing stage 21, the groove 21b be formed in adiabatic sealing stage 21, be arranged on the 2nd O RunddichtringO 17 between the first protruding 3b and the second protruding 21a, the 3rd O RunddichtringO 18 be set in groove 21b.End cap 15 and long sound-pipe 3 screw and withstand insulated cylinder and make the 2nd O RunddichtringO 17 play axial seal effect, 3rd O RunddichtringO 18 embeds long sound-pipe 3 together with sensor core heat insulating package unit, play radial seal effect, double sealing circle improves sealing, and absoluteness avoids gap infiltrated into liquid and enters electrical box 1 by long sound-pipe 3 endoporus.
In the present embodiment, flexible PCB 24 is electrically connected with flexible circuit conduction band 16 and is made into one by special compression joint technique, makes all-in-one-piece flexible PCB 24 with flexible circuit conduction band 16 by commercial acquisition.Copper mold wire in flexible circuit conduction band 16 is placed in the thick flexible PCB of 0.6mm 24 by special pressing process, achieves electrical connection.Take the long copper mold wire of flexible circuit and high thermal resistance can provide sizable thermal resistance, be convenient to the temperature control of hydrogen quick core body 25, further increase the measuring accuracy of moisture, hydrogen richness and temperature transmitter.
In the present embodiment, the thermal insulation sealing stage 21 endoporus encapsulated epoxy resin 22 that flexible circuit conduction band 16 passes.Encapsulated epoxy resin 22 Main Function is the gap that the upper adiabatic fastener 19 of sealing, lower adiabatic fastener 20 and thermal insulation seal that stage 21 is assembled into insulated cylinder extraction flexible circuit conduction band 16, avoid gap infiltrated into liquid and enter electrical box 1 by long sound-pipe 3 endoporus, further increase the sealing property of whole moisture, hydrogen richness and temperature transmitter.
In the present embodiment, moisture, hydrogen richness and temperature transmitter also comprise and are formed in the second oil guiding hole 19a on adiabatic fastener 19 or lower adiabatic fastener 20 and corresponding with hydrogen quick core body 25 position, are formed on long sound-pipe 3 and the 3rd oil guiding hole 3a coincided with the second oil guiding hole 19a.That is, when the quick core body 25 of hydrogen is welded in the upper surface of flexible PCB 24, the second oil guiding hole 19a is opened on adiabatic fastener 19; When the quick core body 25 of hydrogen is welded in the lower surface of flexible PCB 24, the second oil guiding hole 19a is opened on lower adiabatic fastener 20.Second oil guiding hole 19a, the 3rd oil guiding hole 3a offer fluid turnover probe portion of being more convenient for, and directly contact with Temperature Humidity Sensor 26 with the quick core body 25 of hydrogen.
Although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention.Any those of ordinary skill in the art, when not departing from technical solution of the present invention scope, can utilize the technology contents of above-mentioned announcement to make many possible variations and modification to technical solution of the present invention, or being revised as the Equivalent embodiments of equivalent variations.Therefore, every content not departing from technical solution of the present invention, according to the technology of the present invention essence to any simple modification made for any of the above embodiments, equivalent variations and modification, all should drop in the scope of technical solution of the present invention protection.
Claims (15)
1. the moisture being applicable to transformer state on-line monitoring, hydrogen richness and temperature transmitter, comprise the electrical box (1) for signal transacting and output, it is characterized in that: described moisture, hydrogen richness and temperature transmitter also comprise rearward end and be tightly connected mutually with described electrical box (1) and have the long sound-pipe (3) of probe portion and connecting portion, be sheathed on described long sound-pipe (3) for the adaptive joint (11) of the installation of connection transformer, the sensor core heat insulating package unit be arranged in the probe portion of described long sound-pipe (3), described sensor core heat insulating package unit comprises adiabatic fastener (19), lower adiabatic fastener (20), the unsettled flexible PCB (24) be fixed between described upper adiabatic fastener (19) and described lower adiabatic fastener (20), be welded in the quick core body of hydrogen (25) on the surface of described flexible PCB (24) and Temperature Humidity Sensor (26), thermal insulation sealing stage (21) for described upper adiabatic fastener (19) and described lower adiabatic fastener (20) are fixed in the rearward end being sheathed on described upper adiabatic fastener (19) and described lower adiabatic fastener (20), the flexible circuit conduction band (16) that described moisture, hydrogen richness and temperature transmitter also comprise leading section and described flexible PCB (24) is electrically connected, rearward end stretches out described long sound-pipe (3) and be electrically connected with the lower circuit board (5) in described electrical box (1).
2. a kind of moisture, hydrogen richness and temperature transmitter being applicable to transformer state on-line monitoring according to claim 1, is characterized in that: the rearward end of described long sound-pipe (3) to extend in described electrical box (1) and by ring flange nut (2), described long sound-pipe (3) and described electrical box (1) screwed and be tightly connected.
3. a kind of moisture, hydrogen richness and temperature transmitter being applicable to transformer state on-line monitoring according to claim 1, is characterized in that: described moisture, hydrogen richness and temperature transmitter also comprise the thermal insulation silk floss (8) filled out in the connecting portion being located at described long sound-pipe (3).
4. a kind of moisture being applicable to transformer state on-line monitoring according to claim 1, hydrogen richness and temperature transmitter, it is characterized in that: described moisture, hydrogen richness and temperature transmitter also comprise the overcoat clamp nut (9) be sheathed on described long sound-pipe (3), be sheathed on described long sound-pipe (3) go up and be positioned at the nonmetal cutting ferrule (10) between described overcoat clamp nut (9) and the adaptive joint (11) of described installation, described overcoat clamp nut (9) is threaded mutually with the adaptive joint (11) of described installation thus the adaptive joint (11) of described nonmetal cutting ferrule (10) and described installation is offseted.
5. a kind of moisture, hydrogen richness and temperature transmitter being applicable to transformer state on-line monitoring according to claim 1, is characterized in that: the material of described nonmetal cutting ferrule (10) is teflon.
6. a kind of moisture, hydrogen richness and temperature transmitter being applicable to transformer state on-line monitoring according to claim 1, is characterized in that: described moisture, hydrogen richness and temperature transmitter also comprise the groove be formed on the adaptive joint (11) of described installation, be arranged in described groove thus make to be formed between the adaptive joint (11) of described installation and described long sound-pipe (3) the O RunddichtringO (14) that soft contact seals.
7. a kind of moisture, hydrogen richness and temperature transmitter being applicable to transformer state on-line monitoring according to any one of claim 1 to 6, is characterized in that: described moisture, hydrogen richness and temperature transmitter also comprise be opened in the adaptive joint (11) of described installation ball valve link on and the endoporus (11a) be connected with ball valve core, be opened in the upper and exhaust bolt hole (11b) be connected with described endoporus (11a) of the adaptive joint (11) of described installation, the exhaust bolt (12) be installed in described exhaust bolt hole (11b).
8. a kind of moisture, hydrogen richness and temperature transmitter being applicable to transformer state on-line monitoring according to claim 7, is characterized in that: described exhaust bolt (12) and install between adaptive joint (11) and be arranged with sealing gasket (13).
9. a kind of moisture, hydrogen richness and temperature transmitter being applicable to transformer state on-line monitoring according to claim 1, is characterized in that: described sensor core heat insulating package unit also comprises circular hole on the disc being up and down opened in described thermal insulation sealing stage (21) respectively, to be arranged in described circular hole and described upper adiabatic fastener (19) can be held out against mutually with described lower adiabatic fastener (20) thus the sub-head screw (23) clamped by described flexible PCB (24) respectively.
10. a kind of moisture being applicable to transformer state on-line monitoring according to claim 1, hydrogen richness and temperature transmitter, it is characterized in that: described sensor core heat insulating package unit also comprises the first projection (3b) on the inwall being formed in described long sound-pipe (3), be arranged on the second projection (21a) in described thermal insulation sealing stage (21), be formed in the groove (21b) in described thermal insulation sealing stage (21), be arranged on the 2nd O RunddichtringO (17) between described the first projection (3b) and described the second projection (21a), be set in the 3rd O RunddichtringO (18) in described groove (21b).
11. a kind of moisture, hydrogen richness and temperature transmitters being applicable to transformer state on-line monitoring according to claim 1, is characterized in that: described sensor core heat insulating package unit also comprises and being potted in described thermal insulation sealing stage (21) for by from the gap sealed epoxy resin (22) passing described flexible circuit conduction band (16) between described upper adiabatic fastener (19) and described lower adiabatic fastener (20) and formed.
12. a kind of moisture, hydrogen richness and temperature transmitters being applicable to transformer state on-line monitoring according to claim 1, is characterized in that: the thickness of described flexible PCB (24) is 0.4 ~ 1mm.
13. a kind of moisture, hydrogen richness and temperature transmitters being applicable to transformer state on-line monitoring according to claim 1, is characterized in that: described moisture, hydrogen richness and temperature transmitter also comprise and to be threaded mutually with the leading section of described long sound-pipe (3) thus described sensor core heat insulating package unit to be fixed on end cap (15) in the probe portion of described long sound-pipe (3), to be formed in upper the first oil guiding hole (15a) passed in and out for the fluid in transformer of described end cap (15).
14. a kind of moisture, hydrogen richness and temperature transmitters being applicable to transformer state on-line monitoring according to claim 1, is characterized in that: described moisture, hydrogen richness and temperature transmitter also comprise and be formed in described upper adiabatic fastener (19) or upper and corresponding with the quick core body of described hydrogen (25) position the second oil guiding hole (19a) of described lower adiabatic fastener (20), be formed in upper and the 3rd oil guiding hole (3a) coincided with described the second oil guiding hole (19a) of described long sound-pipe (3).
15. a kind of moisture, hydrogen richness and temperature transmitters being applicable to transformer state on-line monitoring according to claim 1, is characterized in that: the material of described upper adiabatic fastener (19), described lower adiabatic fastener (20) and described thermal insulation sealing stage (21) is polyphenylene sulfide.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510889635.6A CN105318915B (en) | 2015-12-07 | 2015-12-07 | A kind of moisture, hydrogen content and temperature transmitter suitable for transformer state on-line monitoring |
| PCT/CN2015/099398 WO2017096656A1 (en) | 2015-12-07 | 2015-12-29 | Transmitter for online monitoring of moisture, hydrogen content, and temperature of transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510889635.6A CN105318915B (en) | 2015-12-07 | 2015-12-07 | A kind of moisture, hydrogen content and temperature transmitter suitable for transformer state on-line monitoring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105318915A true CN105318915A (en) | 2016-02-10 |
| CN105318915B CN105318915B (en) | 2018-01-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510889635.6A Active CN105318915B (en) | 2015-12-07 | 2015-12-07 | A kind of moisture, hydrogen content and temperature transmitter suitable for transformer state on-line monitoring |
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| Country | Link |
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| CN (1) | CN105318915B (en) |
| WO (1) | WO2017096656A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109444175B (en) * | 2018-11-09 | 2023-10-27 | 大港油田集团有限责任公司 | Crude oil moisture meter for on-line detection |
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| WO2017096656A1 (en) | 2017-06-15 |
| CN105318915B (en) | 2018-01-19 |
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