CN204241132U - A kind of calibrating installation for isolation switch contact temperature monitoring apparatus - Google Patents
A kind of calibrating installation for isolation switch contact temperature monitoring apparatus Download PDFInfo
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- CN204241132U CN204241132U CN201420805258.4U CN201420805258U CN204241132U CN 204241132 U CN204241132 U CN 204241132U CN 201420805258 U CN201420805258 U CN 201420805258U CN 204241132 U CN204241132 U CN 204241132U
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- 238000009434 installation Methods 0.000 title claims abstract description 28
- 238000012544 monitoring process Methods 0.000 title claims abstract description 17
- 238000002955 isolation Methods 0.000 title claims abstract description 15
- 238000010438 heat treatment Methods 0.000 claims abstract description 44
- 239000012212 insulator Substances 0.000 claims description 12
- 238000013461 design Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 230000035945 sensitivity Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 4
- 241000935974 Paralichthys dentatus Species 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000002679 ablation Methods 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model provides a kind of calibrating installation for isolation switch contact temperature monitoring apparatus, comprises the SF be arranged on through particular design
6conduit in cavity and contact, contact is arranged in conduit, and one end of contact is communicated with conduit, is provided with heating control apparatus in conduit, and the fire end of heating control apparatus inserts in contact, link is connected with temperature controller; Contact outer wall is coated with contact type temperature sensor and institute's contact type temperature sensor is connected with high precision measuring temperature instrument wire.Compared to the prior art, the calibrating installation for isolation switch contact temperature monitoring apparatus that the utility model provides, improve efficiency and accuracy that contact is heated, achieve and instant contact temperature is controlled and regulate the temperature survey with more high precision and sensitivity, ensure that the data obtained after security in calibration process and efficiency are also passed through to measure accurately are calibrated accurately to other temperature measuring equipments.
Description
Technical field
The utility model relates to high voltage and insulation technology field, specifically relates to the calibrating installation for isolation switch contact temperature monitoring apparatus.
Background technology
In GIS, disconnector is one of equipment important in electric system, its main application is the safety ensureing service work in high-tension unit, between maintenance part and live part, form a reliable and obvious cut-off point, also may be used for cutting off the less circuit of electric current.Because in GIS, the arc extinction performance of disconnector is poor, its divide-shut brake speed is slower, when suiting capacitive small area analysis switch two contacts between can there is prebreakdown and repeatedly restrike, ablation phenomen can be there is in contact surface after long-time use, isolation switch contact contact resistance is caused to increase, cause contact position temperature to rise obviously, local temperature can be formed time serious too high and occur melting welding or produce electric discharge, cause the damage of isolated switchgear.Therefore, carrying out on-line monitoring to contact temperature can find potential faults in time, is the important means preventing the faults such as contact resistance abnormal increase, apparatus overheat.
Along with the intelligentized development of GIS device, separate switch contact temperature band electro-detection or on-line monitoring equipment also will progress into the practical stage.In order to make these temperature testing equipments can the temperature of accurate detection contact, need to carry out temperature calibration work in application with before promoting.Due to SF
6measurement of Gas Thermal Conductivity, infrared absorption characteristic are different with air, the temperature calibration result in air and SF
6temperature calibration result in atmosphere can there is some difference.Therefore, the equipment setting up the temperature rise of a set of Simulated GlS isolation switch contact is badly in need of, for carrying out temperature calibration work to actual thermometric product.
Utility model content
In view of this, the utility model provides a kind of calibrating installation for isolation switch contact temperature monitoring apparatus, this calibrating installation utilizes contact type temperature sensor to realize temperature survey, compared to contactless metering system, achieves the temperature survey of more high precision and sensitivity.Improve efficiency and accuracy that contact is heated simultaneously, ensure that security in calibration process and efficiency and achieve the function that the data by obtaining after measuring accurately calibrate accurately to other temperature measuring equipments.
For a calibrating installation for isolation switch contact temperature monitoring apparatus, described calibrating installation comprises SF6 cavity and contact, and described contact is arranged in the conduit of described SF6 inside cavity,
One end of described contact is communicated with described conduit,
Heating control apparatus is provided with in described conduit,
The fire end of described heating control apparatus inserts in described contact, link is connected with temperature controller; The outer wall of described contact is coated with contact type temperature sensor, and described contact type temperature sensor is connected with high precision measuring temperature instrument wire.
Preferably, the fire end of described heating control apparatus comprises the heating rod, temperature sensor and the overtemperture control sensor that are arranged in parallel, and the link of described heating control apparatus connects described temperature controller and described heating rod, temperature sensor and overtemperture control sensor with wire.
Preferably, described temperature controller comprises indicating module and control module.
Preferably, described indicating module comprises power indicator, alarm and overtemperature indicator; Described control module comprises control table, overtemperture control switch, timer, power switch, heater switch and time switch.
Preferably, the two ends of described SF6 cavity are equipped with the outside disc insulator of basin mouth; Central point inside 2 described disc insulators is connected with the two ends of described conduit respectively.
Preferably, the outside of described disc insulator is provided with GIS cover plate.
Preferably, the upper port of described SF6 cavity is provided with cover plate, and the center of described cover plate is provided with the terminal pin holding wire and pass.
Preferably, described terminal pin is 40 pin aviation terminal pins.
As can be seen from above-mentioned technical scheme, the utility model provides a kind of calibrating installation for isolation switch contact temperature monitoring apparatus, and this calibrating installation is by the SF in the simulation through particular design
6in the conduit of equipment cavity, heating control apparatus is installed, inserts it into the contact in conduit, and cover contact type temperature sensor in contact surface, wherein, heating control apparatus and SF
6the temperature controller of equipment cavity external body connects, contact type temperature sensor and SF
6equipment cavity external body high precision measuring temperature instrument connects.This calibrating installation utilizes high-precision contact temperature-measuring mode and temperature controller, improve efficiency and accuracy that contact is heated, and instant contact temperature controlled and regulates and the temperature survey of more high precision and sensitivity, ensure that security in calibration process and efficiency and the data achieved by obtaining after measuring accurately are calibrated accurately to other temperature measuring equipments.
With immediate prior art ratio, the technical scheme that the utility model provides has following excellent effect:
1, the technical scheme that provides of the utility model, by this calibrating installation by the SF in the simulation through particular design
6in the conduit of equipment cavity, heating control apparatus is installed, inserts it into the contact in conduit, and cover contact type temperature sensor in contact surface, wherein, heating control apparatus and SF
6the temperature controller of equipment cavity external body connects, contact type temperature sensor and SF
6equipment cavity external body high precision measuring temperature instrument connects, and utilizes high-precision contact temperature-measuring mode and temperature controller, thus realizes the accurate alignment to other temperature measuring equipments.
2, the technical scheme that provides of the utility model, by installing heating control apparatus in the conduit of SF6 equipment cavity, insert it into the contact in conduit, heating control apparatus is directly contacted with contact, make the heating of contact directly efficient, improve efficiency and accuracy that contact is heated.
3, the technical scheme that provides of the utility model, by covering in contact surface the temperature that contact type temperature sensor directly obtains contact, compared to contactless metering system, achieves the temperature survey of more high precision and sensitivity.
4, the technical scheme that provides of the utility model, by being equipped with temperature controller and heating arrangement simultaneously, and monitoring temperature rise of contact electronic installation and contact temperature rise electrode and device run simultaneously, achieve instant contact temperature being controlled and regulates, ensure that the security in calibration process and efficiency.
5, the technical scheme that provides of the utility model, by the SF to disconnector
6the improvement of equipment cavity, while satisfied temperature is measured and controlled to need, ensure that the impermeability of GIS device and the normal work of disconnector.
6, the technical scheme that provides of the utility model, by between contact type temperature sensor and high precision measuring temperature instrument, between the link of heating control apparatus and temperature controller all with wire be connected, conveniently realize man-machine interaction.
7, the technical scheme that provides of the utility model, by the SF through particular design
6the support of disc insulator for guide rod is set in equipment cavity, and ensures cavity impermeability, thus ensure that stability and the security of whole plant running.
8, the technical scheme that provides of the utility model, is widely used, has significant Social benefit and economic benefit.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, introduce to the accompanying drawing used required in embodiment or description of the prior art briefly below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the calibrating installation for isolation switch contact temperature monitoring apparatus of the present utility model.
Fig. 2 is the structural representation for the temperature controller in the calibrating installation of isolation switch contact temperature monitoring apparatus and heating control apparatus of the present utility model.
Fig. 3 is the SF of the calibrating installation for isolation switch contact temperature monitoring apparatus
6the structural representation of cavity.
Wherein, 1-SF
6cavity, 2-conduit, 3-wire, 4-heating control apparatus, 401-heating rod, 402-temperature sensor, 403-overtemperture control sensor, 5-contact, 6-contact type temperature sensor, 7-high precision measuring temperature instrument, 8-temperature controller, 801-power indicator, 802-alarm, 803-overtemperature indicator, 804-control table, 805-switch, 806-overtemperture control switch, 807-timer, 808-time switch, 809-heater switch, 810 power switches, 9-rain glass interface, 10-tubes connection hole, 11-GIS cover plate, 12-disc insulator, 13-40 pin aviation lead terminals, 14-support, 15-pulley, 16-viewport, 17-pin interfaces assembles.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on embodiment of the present utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As described in Figure 1, the calibrating installation for isolation switch contact temperature monitoring apparatus of the present utility model comprises SF
6cavity 1 and contact 5, SF
6be provided with along SF in cavity 1
6the conduit 2 of the horizontal direction setting of cavity 1, it is inner that contact 5 is arranged on conduit 2, one end of contact 5 is communicated with conduit 2, the heating control apparatus 4 arranged along conduit 2 horizontal direction is provided with in conduit 2, the fire end of heating control apparatus 4 inserts in contact 5, link is connected with temperature controller 8 wire 3, temperature controller 8, by carrying out regulating and controlling temperature to the control of heating control apparatus 4 heat time, the outer wall of contact 5 is coated with contact type temperature sensor 6; Contact type temperature sensor 6 is connected with high precision measuring temperature instrument 7 wire 3, conveniently realizes man-machine interaction, and contact type temperature sensor 6 in order to measure the surface temperature of contact 5, thus realizes the accurate alignment to other temperature measuring equipments.
Wherein, the operating temperature range of high precision measuring temperature instrument 7 is 0-150 DEG C, and precision is ± 0.1 DEG C, and test period is less than 2s, built-in ITS90 standard, direct displays temperature value.Heating control apparatus 4, transition junction and wire 3, through process, can tolerate the high temperature of at least 150; The length of heating control apparatus 4 is less than 60mm, to be placed in SF
6in cavity; Operating temperature range need at 0-150 DEG C, and degree of accuracy need reach 0.1 DEG C.In the present embodiment, high precision measuring temperature instrument 7 uses fluke 1502a high precision measuring temperature instrument and fluke 5606 to pop one's head in.The temperature range of Fluke 1502a high precision measuring temperature instrument is-200 DEG C to 962 DEG C, and temperature resolution is 0.001 DEG C.Fluke 5606 probe length is 50mm, and housing diameter is 3.1mm.Probe and lead-in wire did special processing, can work under its temperature gamut, whole probe, transition junction and lead-in wire all can be placed in hot environment.The accurate sensing element of 100 special Ω can prevent moisture from entering, and realizes reaching ± the calibration accuracy of 0.05 DEG C simultaneously.
As shown in Figure 2, the fire end of heating control apparatus 4 comprises the heating rod 401, temperature sensor 402 and the overtemperture control sensor 403 that are arranged in parallel, and heating rod 401 can adopt heating wire; The panel of temperature controller 8 is provided with a switch 805 and indicating module and control module, and indicating module comprises power indicator 801, alarm 802 and overtemperature indicator 803; Control module comprises control table 804, overtemperture control switch 806, timer 807, power switch 810, heater switch 809 and time switch 808.The wire 3 of temperature controller 8 is a power outlet and four root functionality outlets, and wherein two outlets connect heating rod 401, outlet and connect temperature sensor 402, and another root outlet connects overtemperture control sensor 403.Wherein, the temperature sensor 402 playing the effect of measuring heating rod 401 temperature is connected with temperature controller 8, and is shown in control table 804 by temperature data, thus realizes the control of temperature controller to heating-up temperature.Playing high temperature forces the overtemperture control sensor 403 of the effect of heating rod open circuit to be connected with temperature controller 8; and temperature data is shown to the display window of overtemperture control indicator 803; when temperature exceedes predetermined value, cut-out overtemperture control switch 806 achieves the protection to whole equipment.
As shown in Figure 3, SF
6the upper port of cavity 1 and lower port are equipped with GIS cover plate 11, SF
6the two ends of cavity 1 are equipped with the outside disc insulator of basin mouth 12, for guide rod supports, and ensure cavity impermeability; Conduit 3 is provided with the central point held inside the described disc insulator 12 in 10,2, tubes connection hole that passes through of wire 3 and is connected with the two ends of conduit 2 respectively; The outside of disc insulator 12 is provided with GIS cover plate 11, plays a supporting role to disc insulator.SF
6the center of the GIS cover plate 11 of the upper port of cavity 1 is provided with and holds 40 pin aviation terminal pins 13 that wire 3 passes and pin interfaces assembling 17, the 40 pin aviation terminal pins 13 for assembling 40 pin aviation terminal pins comprise packing ring, spring washer, hex bolts and O-ring seal; Pin interfaces assembling 17 comprises O RunddichtringO, hex bolts, packing ring, spring washer and hexagonal nut; .
SF
6cavity 1 height be also provided with bottom it is the support 14 of 1060mm, is provided with pulley 15 (directed and universal wheel) to facilitate the movement of equipment below support 14; At SF
6the outer wall of cavity 1 is provided with the viewport 16 for infrared thermometer monitoring.
SF
6cavity 1 insulating material and cushion rubber material all through special processing, to meet high temperature demands.When temperature rises to 150 °, pressure can rise to 0.73Mpa by 0.5MPa, the SF contacted with gas under this pressure
6cavity 1, GIS cover plate 11 and crossover sub etc. all can normally work, and after temperature rises to 150 °, the duration still can reach 2 hours.
When using this calibrating installation, first temperature controller 8 design temperature is used, then heated by heating rod 401 pairs of contacts 5, measure by temperature sensor 402 and overtemperture control sensor 403 pairs of contact 5 internal temperatures and pass temperature controller 8 back, controlling the heating of heating rod 401.The contact type temperature sensor 6 being fixed on contact 5 surface passes the signal along to high precision measuring temperature instrument 7 and at its Display panel temperature value.Utilize the temperature shown by high precision measuring temperature instrument 7 to calibrate other temperature measuring devices, and pass through the more accurate work of temperature of the control realization total temperature scope of temperature controller 8.
Should be noted in use, after opening electronic box single phase poaer supply master switch, according to product demand set temperature and overtemperture control temperature, then press lower panel power switch, equipment operation; Open heater switch again, according to the temperature set, contact is heated; Contact, as arranged constant temperature time, should be opened time switch and alarm switch, and set constant temperature time; When temperature arrives timer after design temperature; Warning after time completes, operator closes heating and alarm switch; First closed by heater switch during shutdown, after a period of time, (20-30 minute) is at stopping power switch, if do not use board for a long time, then closes electric leakage power switch; Electricity is connect according to power specification ordered on electrical equipment nameplate; Voltage regulation must in ratings+5%; For avoiding motor surprisingly to occur, board itself must ground connection.(implementing (less than 100 ohm) according to the third earthing of electrician's regulation); Can not green ground wire be connected on gas or water pipe; Can not by have residual current circuit breaker dryer with without this device dryer shared grounding circuit; Overtemperture control sensor is that among machine operation, whether safety sets one of protection; first check whether before using and arrange correctly; if overtemperture control sensor settings temperature is too low; then system presents overtemperature state, and machine cannot do heating action, and overtemperture control sensor setting is too high, and it is invalid that this protection system will present; when overtemperature state occurs; the thermal light of control panel lights warning, and makes heating system dump, to reach the effect of protection.
Above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; although be described in detail the utility model with reference to above-described embodiment; those of ordinary skill in the field still can modify to embodiment of the present utility model or equivalent replacement; and these do not depart from any amendment of the utility model spirit and scope or equivalent replacement, it is all being applied within the claims of the present utility model awaited the reply.
Claims (8)
1., for a calibrating installation for isolation switch contact temperature monitoring apparatus, described calibrating installation comprises SF
6cavity and contact, described contact is arranged on described SF
6in the conduit of inside cavity, it is characterized in that,
One end of described contact is communicated with described conduit,
Heating control apparatus is provided with in described conduit,
The fire end of described heating control apparatus inserts in described contact, link is connected with temperature controller; The outer wall of described contact is coated with contact type temperature sensor, and described contact type temperature sensor is connected with high precision measuring temperature instrument wire.
2. calibrating installation as claimed in claim 1, it is characterized in that, the fire end of described heating control apparatus comprises the heating rod, temperature sensor and the overtemperture control sensor that are arranged in parallel, and the link of described heating control apparatus connects described temperature controller and described heating rod, temperature sensor and overtemperture control sensor with wire.
3. calibrating installation as claimed in claim 2, it is characterized in that, described temperature controller comprises indicating module and control module.
4. calibrating installation as claimed in claim 3, it is characterized in that, described indicating module comprises power indicator, alarm and overtemperature indicator; Described control module comprises control table, overtemperture control switch, timer, power switch, heater switch and time switch.
5. calibrating installation as claimed in claim 1, is characterized in that, described SF
6the two ends of cavity are equipped with the outside disc insulator of basin mouth; Central point inside 2 described disc insulators is connected with the two ends of described conduit respectively.
6. calibrating installation as claimed in claim 5, it is characterized in that, the outside of described disc insulator is provided with GIS cover plate.
7. calibrating installation as claimed in claim 1, is characterized in that, described SF
6the upper port of cavity is provided with cover plate, and the center of described cover plate is provided with the terminal pin holding wire and pass.
8. calibrating installation as claimed in claim 7, it is characterized in that, described terminal pin is 40 pin aviation terminal pins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420805258.4U CN204241132U (en) | 2014-12-17 | 2014-12-17 | A kind of calibrating installation for isolation switch contact temperature monitoring apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420805258.4U CN204241132U (en) | 2014-12-17 | 2014-12-17 | A kind of calibrating installation for isolation switch contact temperature monitoring apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204241132U true CN204241132U (en) | 2015-04-01 |
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ID=52770613
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420805258.4U Active CN204241132U (en) | 2014-12-17 | 2014-12-17 | A kind of calibrating installation for isolation switch contact temperature monitoring apparatus |
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| Country | Link |
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| CN (1) | CN204241132U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105758557A (en) * | 2014-12-17 | 2016-07-13 | 国家电网公司 | Calibration device for temperature monitoring equipment of disconnecting switch contact |
| CN110355210A (en) * | 2019-05-31 | 2019-10-22 | 科芃智能科技（苏州）有限公司 | A kind of roller temperature control device |
-
2014
- 2014-12-17 CN CN201420805258.4U patent/CN204241132U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105758557A (en) * | 2014-12-17 | 2016-07-13 | 国家电网公司 | Calibration device for temperature monitoring equipment of disconnecting switch contact |
| CN110355210A (en) * | 2019-05-31 | 2019-10-22 | 科芃智能科技（苏州）有限公司 | A kind of roller temperature control device |
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