CN105318915B - A kind of moisture, hydrogen content and temperature transmitter suitable for transformer state on-line monitoring - Google Patents
A kind of moisture, hydrogen content and temperature transmitter suitable for transformer state on-line monitoring Download PDFInfo
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- CN105318915B CN105318915B CN201510889635.6A CN201510889635A CN105318915B CN 105318915 B CN105318915 B CN 105318915B CN 201510889635 A CN201510889635 A CN 201510889635A CN 105318915 B CN105318915 B CN 105318915B
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- hydrogen content
- detection pipes
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- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 67
- 239000001257 hydrogen Substances 0.000 title claims abstract description 67
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 61
- 238000012544 monitoring process Methods 0.000 title claims abstract description 20
- 238000001514 detection method Methods 0.000 claims abstract description 57
- 238000007789 sealing Methods 0.000 claims abstract description 42
- 230000006978 adaptation Effects 0.000 claims abstract description 35
- 239000000523 sample Substances 0.000 claims abstract description 17
- 239000012530 fluid Substances 0.000 claims description 11
- 238000009413 insulation Methods 0.000 claims description 10
- 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
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 4
- 239000004734 Polyphenylene sulfide Substances 0.000 claims description 2
- 229920000069 polyphenylene sulfide Polymers 0.000 claims description 2
- -1 polytetrafluoroethylene Polymers 0.000 claims description 2
- 238000012360 testing method Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
- 238000005259 measurement Methods 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 238000013461 design Methods 0.000 abstract description 4
- 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 7
- 230000000694 effects Effects 0.000 description 7
- 150000002431 hydrogen Chemical class 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 239000003570 air Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 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
- 241000628997 Flos Species 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 229910052755 nonmetal Inorganic materials 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 230000008859 change Effects 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
- 238000005553 drilling Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 150000003071 polychlorinated biphenyls Chemical class 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
- 150000003568 thioethers Chemical class 0.000 description 1
- 230000009466 transformation Effects 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Housings And Mounting Of Transformers (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The present invention relates to a kind of moisture, hydrogen content and temperature transmitter suitable for transformer state on-line monitoring, including electrical box, the long detection pipes being mutually tightly connected with electrical box, the mounting adaptation joint, the sensor core heat insulating package unit that is arranged in the probe portion of long detection pipes that are sheathed in long detection pipes；Sensor core heat insulating package unit includes upper adiabatic fastener, lower adiabatic fastener, flexible PCB, the quick core body of hydrogen and Temperature Humidity Sensor, adiabatic sealing stage；Moisture, hydrogen content and temperature transmitter also include flexible circuit conduction band.The present invention improves the measurement accuracy of moisture, hydrogen content and temperature transmitter.Adjustable installing adaptation joint causes probe portion fitting depth to can adapt to various transformer valve bodies, the extended oilhole area of particular/special requirement Temperature Humidity Sensor, the quick core body of hydrogen is located at oilhole area, and this design can detect water content undulating value fast and reliablely, while avoids disturbing the temperature control of the quick core body of hydrogen.
Description
Technical field
The invention belongs to on-line monitoring technique field, more particularly to a kind of water suitable for transformer state on-line monitoring
Point, hydrogen content and temperature transmitter.
Background technology
Power transformer is the visual plant in power network.Aging, high capacity is horizontal and network failure can cause transformation
Device is damaged, so as to increase chance failure and power breakdown risk.Hydrogen content and its rate of change can faults state serious journey
Degree, moisture can have a direct impact to transformer life.And water content in oil is exhausted for transformer cellulose situation and fluid
Edge ability produces material impact.Using installed in taking the probe of the home positions such as hydraulic fluid port to connect hydrogen content and water content
Continuous monitoring is that preventive maintenance measure extends transformer life, the final first step for reducing owner's totle drilling cost.
Be presently used for transformer state on-line monitoring sensor apparatus, using oil well pump, flexible pipe, battery, valve, film or
Other wear parts that may be broken down or cause power breakdown, shorten product service life；And meeting in operating process
Micro outside ambient air is inevitably introduced, hidden danger will be brought to the safe operation of transformer by accumulating；Meanwhile sensor is deposited
Measurement accuracy is poor the problem of.
The content of the invention
The technical problem to be solved in the present invention is overcome the deficiencies in the prior art, there is provided one kind exists suitable for transformer state
Moisture, hydrogen content and the temperature transmitter of line monitoring, realize three kinds of key parameter measurements, adjustable probe fitting depth energy
Various transformer valve bodies are enough adapted to, and can directly be contacted with representative fluid.
To solve above technical problem, the present invention adopts the following technical scheme that：
It is a kind of suitable for transformer state on-line monitoring moisture, hydrogen content and temperature transmitter, including for signal at
Reason and the electrical box of output, described moisture, hydrogen content and temperature transmitter also include rearward end and described electrical box is mutually close
Envelope connects and has the long detection pipes of probe portion and connecting portion, is sheathed on the peace for connecting transformer in described long detection pipes
Dress adaptation joint, the sensor core heat insulating package unit being arranged in the probe portion of described long detection pipes；Described sensing
Device core body heat insulating package unit includes upper adiabatic fastener, lower adiabatic fastener, is suspended vacantly in described upper adiabatic fastener and described
Lower adiabatic fastener between flexible PCB, the quick core body of hydrogen that is welded on the surface of described flexible PCB and humiture
Sensor, it is sheathed in the rearward end of described upper adiabatic fastener and described lower adiabatic fastener for described upper thermal insulation to be blocked
The adiabatic sealing stage that part is mutually fixed with described lower adiabatic fastener；Described moisture, hydrogen content and temperature transmitter also includes
Leading section and described flexible PCB are electrically connected, rearward end stretches out described long detection pipes and with described electrical box
The flexible circuit conduction band that lower circuit board is electrically connected.
Specifically, the rearward end of described long detection pipes is extended in described electrical box and by ring flange nut by described in
Long detection pipes and described electrical box screw and be tightly connected.
Specifically, described moisture, hydrogen content and temperature transmitter also include filling out the connection for being located at described long detection pipes
Thermal insulation in portion is continuous.
Specifically, described moisture, hydrogen content and temperature transmitter are also outer in described long detection pipes including being sheathed on
Set clamp nut, it is sheathed in described long detection pipes and is located at described overcoat clamp nut and described mounting adaptation joint
Between nonmetallic cutting ferrule, described overcoat clamp nut is mutually threadedly coupled so that described with described mounting adaptation joint
Nonmetallic cutting ferrule offseted with described mounting adaptation joint.
Specifically, the material of described nonmetallic cutting ferrule is polytetrafluoroethylene (PTFE).
Specifically, described moisture, hydrogen content and temperature transmitter also include being formed on described mounting adaptation joint
Groove, be arranged in described groove so that being formed between described mounting adaptation joint and described long detection pipes soft
Contact the first O-ring seal of sealing.
Specifically, described moisture, hydrogen content and temperature transmitter also include being opened in described mounting adaptation joint
The endoporus that is connected on ball valve connection end and with ball valve core, be opened on described mounting adaptation joint and with described endoporus
The exhaust bolt hole being connected, the exhaust bolt being installed in described exhaust bolt hole.
More specifically, it is arranged with sealing gasket between the exhaust bolt and mounting adaptation joint.
Specifically, described sensor core heat insulating package unit also includes being opened in described adiabatic sealing stage respectively
The circular hole on disc up and down, be separately mounted in described circular hole and can by described upper adiabatic fastener and it is described it is lower absolutely
Calorie part is mutually held out against so as to by the subheader screw of described flexible PCB clamping.
Specifically, described sensor core heat insulating package unit also includes being formed on the inwall of described long detection pipes
It is first raised, be arranged in described adiabatic sealing stage it is second raised, formed in described adiabatic sealing stage
Groove, it is arranged on raised the second O-ring seal between described the second projection of described first, is set in described groove
The 3rd interior O-ring seal.
Specifically, described sensor core heat insulating package unit also includes being potted in described adiabatic sealing stage and used
Between the flexible circuit conduction band described in being passed between described upper adiabatic fastener and described lower adiabatic fastener is formed
The epoxy resin of gap sealing.
Specifically, the thickness of described flexible PCB is 0.4 ~ 1mm.
Specifically, described moisture, hydrogen content and temperature transmitter also include the leading section phase with described long detection pipes
Threaded connection is so as to the end that described sensor core heat insulating package unit is fixed in the probe portion of described long detection pipes
Lid, the first oil guiding hole for forming the fluid disengaging supplied on described end cap in transformer.
Specifically, described moisture, hydrogen content and temperature transmitter also include being formed in described upper adiabatic fastener or institute
On the lower adiabatic fastener stated and second oil guiding hole corresponding with the quick core body position of described hydrogen, formation are in described long spy
The 3rd oil guiding hole to be coincided in test tube and with the second described oil guiding hole.
Specifically, the material of described upper adiabatic fastener, described lower adiabatic fastener and described adiabatic sealing stage is
Polyphenylene sulfide.
The front and rear inferior noun of locality being related in the present invention be using Fig. 1 as reference, after side where electrical box is in Fig. 1,
Before side where end cap is, Fig. 1 right side is upper, under left side is.
Due to the implementation of above-mentioned technical proposal, the present invention has the following advantages that compared with prior art：
The present invention passes through the improvement to moisture, hydrogen content and temperature transmitter structure so that flexible PCB and surrounding oil
Heat exchanger effectiveness between liquid stream body is high, and the influence to the quick chip temperature control of hydrogen is smaller, improves moisture, hydrogen content and temperature transmitter
Measurement accuracy.Adjustable installing adaptation joint causes probe portion fitting depth to can adapt to various transformer valve bodies, special to want
The extended oilhole area of Temperature Humidity Sensor is asked, the quick core body of hydrogen is located at oilhole area, and this design can detect water content ripple fast and reliablely
Dynamic value, while avoid disturbing the temperature control of the quick core body of hydrogen.
Brief description of the drawings
Fig. 1 is a kind of moisture, hydrogen content and temperature transmitter suitable for transformer state on-line monitoring of the present invention
Structural representation；
Fig. 2 is mplifying structure schematic diagram at Fig. 1 probe portion；
Fig. 3 is the structure design element exploded view of Fig. 1 sensor core heat insulating package units；
Wherein：1st, electrical box；2nd, ring flange nut；3rd, long detection pipes；3a, the 3rd oil guiding hole；4th, electrical connector；5th, lower electricity
Road plate；6th, upper circuit board；7th, pinboard；8th, adiabatic cotton；9th, overcoat clamp nut；10th, nonmetallic cutting ferrule；11st, mounting adaptation connects
Head；11a, endoporus；11b, exhaust bolt hole；12nd, exhaust bolt；13rd, sealing gasket；14th, the first O-ring seal；15th, end cap；
15a, the first oil guiding hole；16th, flexible circuit conduction band；17th, the second O-ring seal；18th, the 3rd O-ring seal；19th, upper adiabatic card
Part；20th, lower adiabatic fastener；21st, adiabatic sealing stage；22nd, epoxy resin；23rd, subheader screw；24th, flexible PCB；25th, hydrogen
Quick core body；26th, Temperature Humidity Sensor.
Embodiment
The present invention is described in further details below with reference to Figure of description and specific embodiment.
Fig. 1 to Fig. 3 shows that the present invention is applied to moisture, hydrogen content and the temperature transmitter of transformer state on-line monitoring
A kind of embodiment, the product include electrical box 1, long detection pipes 3, mounting adaptation joint 11, overcoat clamp nut 9, upper thermal insulation
Fastener 19, lower adiabatic fastener 20, adiabatic sealing stage 21, end cap 15, flexible circuit conduction band 16 etc..
Electrical box 1 is used for signal transacting and output, and it can be with purchased parts, and generally comprise non-metal shell, set
The lower circuit board 5 and lower circuit board 5 that pinboard 7 and pinboard 7 in non-metal case body are connected by screw pass through contact pin
The upper circuit board 6 of connection, is arranged on the electrical connector being connected on housing with lower circuit board 5 by cable.
There is long detection pipes 3 probe portion and the connecting portion positioned at rear side, the rearward end of long detection pipes 3 positioned at front side to extend
Inside electrical box 1 and long detection pipes 3 and electrical box 1 are screwed by ring flange nut 2 and connect and seal.Mounting adaptation joint
11 and overcoat clamp nut 9 be sheathed in long detection pipes 3, is provided with sensor core heat insulating package in the probe portions of long detection pipes 3
Unit.Sensor core heat insulating package unit includes upper adiabatic fastener 19, lower adiabatic fastener 20, is suspended vacantly in upper adiabatic fastener
Flexible PCB 24 between 19 and lower adiabatic fastener 20, the quick core body 25 of hydrogen being welded on the surface of flexible PCB 24 and temperature
Humidity sensor 26, be sheathed in the rearward end of adiabatic fastener 19 and lower adiabatic fastener 20 be used for by upper adiabatic fastener 19 and under
The adiabatic sealing stage 21 that the adiabatic phase of fastener 20 is fixed.Upper adiabatic fastener 19, lower adiabatic fastener 20 and adiabatic 21 groups of stage of sealing
Dress up insulated cylinder.The leading section of flexible circuit conduction band 16 electrically connects with flexible PCB 24, after flexible circuit conduction band 16
End passes long detection pipes 3, and extends and electrically connected in electrical box 1 with the lower circuit board 5 in electrical box 1.In the structure, upper thermal insulation
Fastener 19, lower adiabatic fastener 20 and adiabatic sealing stage 21 are process from the high polyphenyl thioether material of adiabatic coefficent, and three
Person combines adult, interior to clamp low profile flexible circuit board 24, because low profile flexible circuit board 24 has the small characteristic of area large volume,
Heat exchanger effectiveness between fluid fluid around is high, and the influence to the temperature control of the quick chip of hydrogen 25 is smaller, improve moisture, hydrogen content and
The measurement accuracy of temperature transmitter.Joint 11 is adapted to using adjustable installing so that the fitting depth of the probe portion of long detection pipes 3
It can adapt to various transformer valve bodies, the extended oilhole area of Temperature Humidity Sensor 26 during particular/special requirement, the quick core body 25 of hydrogen is positioned at oil
Porose area, this design can detect water content undulating value fast and reliablely, while avoid the interference quick temperature control of core body 25 of hydrogen.
In the present embodiment, the leading section of long detection pipes 3 is equiped with an end cap 15, the end cap 15 and the front end of long detection pipes 3
Portion's screw thread is screwed so as to which sensor core heat insulating package unit is fixed in long detection pipes 3.It is provided with end cap 15 several for becoming
First oil guiding hole 15a of the fluid disengaging in depressor, the Temperature Humidity Sensor 26 for being mainly used in probe end are completely straight with fluid
Contact, can detect water content undulating value fast and reliablely.
It is provided with to be set in long detection pipes 3 in the present embodiment, between mounting adaptation joint 11 and overcoat clamp nut 9 and is in
The nonmetallic cutting ferrule 10 of V-type, overcoat clamp nut 9 are threadedly coupled with mounting adaptation joint 11 and drive nonmetallic cutting ferrule 10 to hold out against
Mounting adaptation joint 9.The nonmetallic cutting ferrule 10 is made using polytetrafluoroethylmaterial material, and its effect has three：First, play suitable to installing
Sealing function between connector 11 and long detection pipes 3；2nd, mounting adaptation joint 9 and long detection pipes 3 can be avoided to be formed between metal
Directly contact, it is ensured that repeat dismounting to the long outer wall not damaged of detection pipes 3；3rd, play and long detection pipes 3 are fastened after being installed in place
Effect.
In the present embodiment, moisture, hydrogen content and temperature transmitter also include being formed groove on mounting adaptation joint 11,
It is arranged in groove so that forming the first O-shaped sealing of soft contact sealing between mounting adaptation joint 11 and long detection pipes 3
Circle 14.First O-ring seal 14 can carry significantly to forming further sealing between mounting adaptation joint 11 and long detection pipes 3
High sealing effectiveness；Especially unscrewed in mounting adaptation joint 11, the probe portion for adjusting long detection pipes 3 stretches into liquid length situation
Under, prevent fluid from largely overflowing, it also avoid air and enter in oil pocket, play positive confinement effect.
In the present embodiment, the ball valve connection end of mounting adaptation joint 11 offers endoporus 11a, is set on mounting adaptation joint 11
There is the exhaust bolt hole 11b communicated with endoporus 11a, exhaust bolt 12 is installed in the 11b of exhaust bolt hole.Endoporus 11a hole
Footpath is more than ball valve core latus rectum, and when installing moisture, hydrogen content and temperature transmitter, residual air can act in pressure in ball valve
Under, along ball valve core, endoporus 11a, progressively converge at the exhaust bolt 12 of highest relative position, ensure that air has completely
Effect discharge.
In the present embodiment, filled out in the connecting portion of long detection pipes 3 provided with adiabatic silk floss 8.Thermal insulation silk floss 8 reduce further the external world
Variation of ambient temperature influences on the temperature control of the quick core body of hydrogen 25, further increases the measurement essence of moisture, hydrogen content and temperature transmitter
Degree.
In the present embodiment, sealing gasket 13 is arranged between exhaust bolt 12 and mounting adaptation joint 11.The sealing gasket 13 can
Ensure that there is good sealing effectiveness between exhaust bolt 12 and mounting adaptation joint 11, prevent extraneous gas from entering, ensure that
The safe operation of transformer.
In the present embodiment, the disc up and down of thermal insulation sealing stage 21 symmetrically offers circular hole, and subheader is screwed into respectively in circular hole
Screw 23, two subheader screws 23 are held out against with upper adiabatic fastener 19 and lower adiabatic fastener 20 respectively, thermal insulation sealing stage 21, on
Adiabatic fastener 19 and the lower three of adiabatic fastener 20 turn into a cylinder in the presence of subheader screw 23, so as to complete flexible electrical
Road plate 24 is suspended vacantly effect, while is easy to sensor core heat insulating package unit to be integrally installed in long detection pipes 3.
In the present embodiment, sensor core heat insulating package unit also includes first formed on the inwall of long detection pipes 3
Raised 3b, the second raised 21a being arranged in adiabatic sealing stage 21, formed in the adiabatic groove 21b sealed in stage 21, set
Put the second O-ring seal 17 between the first raised 3b and the second raised 21a, the 3rd O-shaped sealing being set in groove 21b
Circle 18.End cap 15 and long detection pipes 3, which screw, to be withstood insulated cylinder and the second O-ring seal 17 is played axial seal effect, the
Three O-ring seals 18 are embedded in long detection pipes 3 together with sensor core heat insulating package unit, play radial seal effect, two pass
Sealing ring improves sealing, and absoluteness avoids gap infiltration liquid and enters electrical box 1 by the long endoporus of detection pipes 3.
In the present embodiment, flexible PCB 24 electrically connects with flexible circuit conduction band 16 and is fabricated to one by special compression joint technique
Body, making integral flexible PCB 24 can be by acquisition purchased in market with flexible circuit conduction band 16.Special pressing process is by flexibility
Copper mold wire is placed in the thick flexible PCBs 24 of 0.6mm in circuit conduction band 16, realizes electrical connection.Take what flexible circuit was grown
Copper mold wire and high thermal resistance can provide sizable thermal resistance, are easy to the quick temperature control of core body 25 of hydrogen, further increase moisture, hydrogen contains
The measurement accuracy of amount and temperature transmitter.
In the present embodiment, the thermal insulation that flexible circuit conduction band 16 is passed seals the endoporus encapsulated epoxy resin 22 of stage 21.Fill
The envelope main function of epoxy resin 22 is that the upper adiabatic fastener 19 of sealing, lower adiabatic fastener 20 and adiabatic sealing stage 21 are assembled into thermal insulation
Cylinder draws the gap of flexible circuit conduction band 16, avoids gap infiltration liquid and enters electrical box by the long endoporus of detection pipes 3
1, further increase the sealing property of whole moisture, hydrogen content and temperature transmitter.
In the present embodiment, moisture, hydrogen content and temperature transmitter also include being formed in upper adiabatic fastener 19 or lower adiabatic card
On part 20 and the second oil guiding hole 19a that the position of core body quick with hydrogen 25 is corresponding, formed in long detection pipes 3 and led with second
The 3rd oil guiding hole 3a that oilhole 19a coincides.That is, when the quick core body 25 of hydrogen is welded in the upper surface of flexible PCB 24, 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, second leads
Oilhole 19a is opened on lower adiabatic fastener 20.Second oil guiding hole 19a, the 3rd oil guiding hole 3a the fluid disengaging of being more convenient for that opens up are visited
Survey portion, and core body quick with hydrogen 25 and Temperature Humidity Sensor 26 directly contact.
Although the present invention is disclosed as above with preferred embodiment, but is not limited to the present invention.It is any to be familiar with ability
The technical staff in domain, in the case where not departing from technical solution of the present invention scope, all using the technology contents pair of the disclosure above
Technical solution of the present invention makes many possible changes and modifications, or is revised as the equivalent embodiment of equivalent variations.Therefore, it is every
Without departing from the content of 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, it all should fall in the range of technical solution of the present invention protection.
Claims (9)
1. a kind of moisture, hydrogen content and temperature transmitter suitable for transformer state on-line monitoring, including for signal transacting
And the electrical box of output（1）, it is characterised in that：Described moisture, hydrogen content and temperature transmitter also include rearward end with it is described
Electrical box（1）Mutually it is tightly connected and there is probe portion and the long detection pipes of connecting portion（3）, be sheathed on described long detection pipes
（3）The upper mounting adaptation joint for being used to connect transformer（11）, be arranged at described long detection pipes（3）Probe portion in sensing
Device core body heat insulating package unit；Described sensor core heat insulating package unit includes upper adiabatic fastener（19）, lower adiabatic fastener
（20）, be suspended vacantly in described upper adiabatic fastener（19）With described lower adiabatic fastener（20）Between flexible PCB
（24）, be welded in described flexible PCB（24）Surface on the quick core body of hydrogen（25）And Temperature Humidity Sensor（26）, be arranged
In described upper adiabatic fastener（19）With described lower adiabatic fastener（20）Rearward end on be used for described upper adiabatic fastener
（19）With described lower adiabatic fastener（20）Mutually fixed adiabatic sealing stage（21）；Described moisture, hydrogen content and temperature becomes
Device is sent also to include leading section and described flexible PCB（24）It is electrically connected, rearward end stretches out described long detection pipes（3）And
With described electrical box（1）Interior lower circuit board（5）The flexible circuit conduction band being electrically connected（16）；Described upper adiabatic fastener
（19）, described lower adiabatic fastener（20）With described adiabatic sealing stage（21）Material be polyphenylene sulfide；Described flexibility
Circuit board（24）Thickness be 0.4 ~ 1mm；Described moisture, hydrogen content and temperature transmitter, which also includes filling out, is located at described long spy
Test tube（3）Connecting portion in thermal insulation it is continuous（8）；Described sensor core heat insulating package unit also includes being formed in described length
Detection pipes（3）Inwall on it is first raised（3b）, be arranged on described adiabatic sealing stage（21）On it is second raised
（21a）, formed in described adiabatic sealing stage（21）On groove（21b）, to be arranged on described first raised（3b）And institute
Second stated is raised（21a）Between the second O-ring seal（17）, be set in described groove（21b）The 3rd interior O-shaped sealing
Circle（18）；Described moisture, hydrogen content and temperature transmitter also includes and described long detection pipes（3）Leading section phase screw thread connect
Connect so as to which described sensor core heat insulating package unit to be fixed on to described long detection pipes（3）Probe portion in end cap
（15）, formed in described end cap（15）On in transformer fluid pass in and out the first oil guiding hole（15a）；Described moisture,
Hydrogen content and temperature transmitter also include being formed in described upper adiabatic fastener（19）Or described lower adiabatic fastener（20）It is upper and
With the described quick core body of hydrogen（25）The second corresponding oil guiding hole of position（19a）, formed in described long detection pipes（3）On
And with the second described oil guiding hole（19a）The 3rd oil guiding hole to coincide（3a）.
A kind of 2. moisture, hydrogen content and temperature pick-up suitable for transformer state on-line monitoring according to claim 1
Device, it is characterised in that：Described long detection pipes（3）Rearward end extend described electrical box（1）It is interior and pass through ring flange nut
（2）By described long detection pipes（3）With described electrical box（1）Screw and be tightly connected.
A kind of 3. moisture, hydrogen content and temperature pick-up suitable for transformer state on-line monitoring according to claim 1
Device, it is characterised in that：Described moisture, hydrogen content and temperature transmitter also includes being sheathed on described long detection pipes（3）On
Overcoat clamp nut（9）, be sheathed on described long detection pipes（3）Go up and be located at described overcoat clamp nut（9）With it is described
Mounting adaptation joint（11）Between nonmetallic cutting ferrule（10）, described overcoat clamp nut（9）Connect with described mounting adaptation
Head（11）Mutually it is threadedly coupled the nonmetallic cutting ferrule so that described（10）With described mounting adaptation joint（11）Offset.
A kind of 4. moisture, hydrogen content and temperature pick-up suitable for transformer state on-line monitoring according to claim 3
Device, it is characterised in that：Described nonmetallic cutting ferrule（10）Material be polytetrafluoroethylene (PTFE).
A kind of 5. moisture, hydrogen content and temperature pick-up suitable for transformer state on-line monitoring according to claim 1
Device, it is characterised in that：Described moisture, hydrogen content and temperature transmitter also includes being formed in described mounting adaptation joint（11）
On groove, be arranged in described groove so that described mounting adaptation joint（11）With described long detection pipes（3）
Between formed it is soft contact sealing the first O-ring seal（14）.
A kind of 6. moisture, hydrogen content suitable for transformer state on-line monitoring according to any one of claim 1 to 5
And temperature transmitter, it is characterised in that：Described moisture, hydrogen content and temperature transmitter is also fitted including being opened in described installation
Connector（11）Ball valve connection end on and the endoporus that is connected with ball valve core（11a）, be opened in described mounting adaptation and connect
Head（11）It is upper and with described endoporus（11a）The exhaust bolt hole being connected（11b）, be installed in described exhaust bolt hole
（11b）Interior exhaust bolt（12）.
A kind of 7. moisture, hydrogen content and temperature pick-up suitable for transformer state on-line monitoring according to claim 6
Device, it is characterised in that：The exhaust bolt（12）With mounting adaptation joint（11）Between be arranged with sealing gasket（13）.
A kind of 8. moisture, hydrogen content and temperature pick-up suitable for transformer state on-line monitoring according to claim 1
Device, it is characterised in that：Described sensor core heat insulating package unit also includes being opened in described adiabatic sealing stage respectively
（21）The circular hole on disc up and down, be separately mounted in described circular hole and can be by described upper adiabatic fastener（19）And institute
The lower adiabatic fastener stated（20）Mutually hold out against so as to by described flexible PCB（24）The subheader screw of clamping（23）.
A kind of 9. moisture, hydrogen content and temperature pick-up suitable for transformer state on-line monitoring according to claim 1
Device, it is characterised in that：Described sensor core heat insulating package unit also includes being potted in described adiabatic sealing stage（21）
It is interior to be used for from described upper adiabatic fastener（19）With described lower adiabatic fastener（20）Between pass described flexible circuit and lead
Band（16）The epoxy resin of the clearance seal formed（22）.
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 |
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| 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 |
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| CN105318915A CN105318915A (en) | 2016-02-10 |
| CN105318915B true CN105318915B (en) | 2018-01-19 |
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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 |
| CN113391133B (en) * | 2021-06-24 | 2024-06-28 | 上海凌至物联网有限公司 | High-voltage bushing end screen grounding detection and on-line monitoring device and method |
| CN113447085B (en) * | 2021-09-01 | 2021-11-26 | 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 | Publication date |
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| CN105318915A (en) | 2016-02-10 |
| WO2017096656A1 (en) | 2017-06-15 |
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