CN207263340U - A kind of GIS disc insulators system for detecting temperature - Google Patents
A kind of GIS disc insulators system for detecting temperature Download PDFInfo
- Publication number
- CN207263340U CN207263340U CN201721342282.9U CN201721342282U CN207263340U CN 207263340 U CN207263340 U CN 207263340U CN 201721342282 U CN201721342282 U CN 201721342282U CN 207263340 U CN207263340 U CN 207263340U
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- temperature
- gis
- cable connector
- disc
- cable
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Abstract
The utility model embodiment discloses a kind of GIS disc insulators system for detecting temperature,The utility model is powered disc insulator performance loop by strong current generator,Simulate the real operating environments of disc insulator,Temperature sensor detects disc insulator surface point to be measured,Communicated by the gentle sealed cable connector flange of coaxial cable with the temperature signal receiver outside GIS device,Due to coaxial cable and the antijamming capability of cable connector,It ensure that the stability of signal transmission,It can then ensure its leakproofness in GIS device cavity using hermetic seal flange,The temperature that temperature sensor detects then is carried out processing output by temperature signal receiver,The temperature of disc insulator disc insulator surface tested point in the case of real work is simulated can be detected by above-mentioned GIS disc insulators system for detecting temperature,Solves the technical problem that the prior art effectively can not carry out GIS disc insulators temperature detection.
Description
Technical field
It the utility model is related to electric device maintenance field, more particularly to a kind of GIS disc insulators system for detecting temperature.
Background technology
The 1980s starts China and gradually adopts GIS device (Gas Insulated Switchgear, gas
Insulation combined switchgear), currently the time limit largely is run close to its nominal life of 30 years, these GIS in fortune GIS device
Whether apparatus insulated state preferable, if still can safe operation and whether move back in advance fortune or extend the service life be power grid O&M
Personnel's extremely concern, the aging Cheng Du of accurate evaluation scene GIS device, peace of the pre- measurement equipment remaining life for power grid
Row for the national games is significant.
GIS device insulation is made of gas-insulated (SF6) and solid insulation (disc insulator) two parts, since GIS is exhausted
Edge gas has self-reparability, and is easily changed, and therefore, gas isolated long-time service influences the degree of aging of GIS smaller.
But solid insulation is expendable, especially for the GIS device in long-term heavy-duty service, internal guide rod is constantly sent out
Heat, disc insulator continuous aging because of long-term thermally stressed effect, causes decreasing insulating.
By the profiling temperatures of disc insulator in operation, for the live GIS device degree of aging meaning weight of assessment
Greatly, but in existing technology lack the correlation means to the temperature detection of GIS disc insulators, therefore result in the prior art
The technical problem of temperature detection can not be effectively carried out to GIS disc insulators.
Utility model content
The utility model provides a kind of GIS disc insulators system for detecting temperature, and solving the prior art can not be effective
The technical problem of temperature detection is carried out to GIS disc insulators.
The utility model provides a kind of GIS disc insulators system for detecting temperature, including:Temperature sensor, coaxial electrical
Cable, hermetic seal cable connector flange, GIS shells, strong current generator and temperature signal receiver;
The point contact to be detected on disc insulator in the GIS shells is provided with the temperature sensor;
The temperature sensor is communicated to connect with described coaxial cable one end;
The GIS shells are provided with the hermetic seal cable connector flange, the GIS shells and the hermetic seal cable
Connector flange is bolted to connection;
The other end of the coaxial cable is provided with the male connector of cable connector, the hermetic seal cable connector flange
The female of the cable connector is provided centrally with, the GIS shells are provided with for the female by the cable connector
Through hole, the other end of the coaxial cable passes through the male connector of the cable connector and the female of the cable connector and institute
State the communication connection of hermetic seal cable connector flange;
The cable connector flange is communicated to connect with the temperature signal receiver;
Both ends of the both ends of the strong current generator respectively with the electric loop where the disc insulator are electrically connected.
Preferably, the cable connector is bnc connector.
Preferably, the hermetic seal cable connector flange is disc.
Preferably, circumferentially array distribution is provided with four threaded holes to the hermetic seal cable connector flange.
Preferably, the temperature sensor is fixedly connected by heat conductive silica gel with the disc insulator.
Preferably, the temperature sensor specifically includes:DS18B20 temperature senses chip and metal shell;
The DS18B20 temperature senses chip is arranged in the metal shell, the DS18B20 temperature senses chip and
The metal shell is filled with heat conductive silica gel.
Preferably, the temperature signal receiver specifically includes:Signal processing module and splayed configuration LED charactrons;
The cable connector flange is communicated to connect with the signal processing module;
The signal processing module is communicated to connect with the splayed configuration LED charactrons.
Preferably, further include:Temperature signal receiver casing;
The size of the temperature signal receiver casing is 88mm*83mm*41mm, the signal processing module and described eight
Font LED charactrons are all arranged in the temperature signal receiver casing.
Preferably, further include:Host computer;
The temperature signal receiver is communicated to connect by RS485 interfaces and the host computer.
Preferably, the coaxial cable is RG-58 type cables.
As can be seen from the above technical solutions, the utility model has the following advantages:
The utility model provides a kind of GIS disc insulators system for detecting temperature, including:Temperature sensor, coaxial electrical
Cable, hermetic seal cable connector flange, GIS shells, strong current generator and temperature signal receiver;In the GIS shells
Point contact to be detected on disc insulator is provided with the temperature sensor;The temperature sensor and the coaxial cable one
End communication connection;The GIS shells are provided with the hermetic seal cable connector flange, the GIS shells and the hermetic seal
Cable connector flange is bolted to connection;The other end of the coaxial cable is provided with the male connector of cable connector, institute
The female for being provided centrally with the cable connector of hermetic seal cable connector flange is stated, the GIS shells, which are provided with, to be used for
By the through hole of the female of the cable connector, the other end of the coaxial cable by the male connector of the cable connector and
The female of the cable connector is communicated to connect with the hermetic seal cable connector flange;The cable connector flange and institute
State the communication connection of temperature signal receiver;The both ends of the strong current generator respectively with the disc insulator where it is electric
The both ends in circuit are electrically connected.
The utility model is powered disc insulator performance loop by strong current generator, simulates disc insulator
Real operating environments, temperature sensor detection disc insulator surface point to be measured, pass through the gentle hermetically-sealed cable of coaxial cable
Connector flange communicates with the temperature signal receiver outside GIS device, due to coaxial cable and cable connector
Antijamming capability, ensure that the stability of signal transmission, can then ensure its in GIS device cavity using hermetic seal flange
The temperature that temperature sensor detects then is carried out processing output by leakproofness, temperature signal receiver, is insulated by above-mentioned GIS benzvalene forms
Sub- system for detecting temperature can detect the temperature of disc insulator disc insulator surface tested point in the case of real work is simulated
Degree, solves the technical problem that the prior art effectively can not carry out GIS disc insulators temperature detection.
Brief description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
Put, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is that a kind of connection relation for GIS disc insulators system for detecting temperature that the utility model embodiment provides is shown
It is intended to;
Reference numeral is as follows:
1st, temperature sensor;2nd, coaxial cable;3rd, hermetic seal cable connector flange;4th, GIS shells;5th, temperature signal connects
Receive device;6th, host computer;7th, the male connector of cable connector;8th, the female of cable connector;9th, disc insulator.
Embodiment
The utility model embodiment provides a kind of GIS disc insulators system for detecting temperature, solve the prior art without
Method effectively carries out GIS disc insulators the technical problem of temperature detection.
Goal of the invention, feature, advantage to enable the utility model is more obvious and understandable, below in conjunction with this
Attached drawing in utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, shows
So, the embodiments described below are only the utility model part of the embodiment, and not all embodiment.Based on this practicality
Embodiment in new, all other reality that those of ordinary skill in the art are obtained without making creative work
Example is applied, shall fall within the protection scope of the present invention.
Referring to Fig. 1, the utility model embodiment provides an a kind of reality of GIS disc insulators system for detecting temperature
Example is applied, including:Temperature sensor 1, coaxial cable 2, hermetic seal cable connector flange 3, GIS shells 4, strong current generator and
Temperature signal receiver 5;
The point contact to be detected on disc insulator 9 in GIS shells 4 is provided with temperature sensor 1;
Temperature sensor 1 is communicated to connect with 2 one end of coaxial cable;
GIS shells 4 are provided with hermetic seal cable connector flange 3, and GIS shells 4 are logical with hermetic seal cable connector flange 3
Bolt is crossed to be fixedly connected;
The other end of coaxial cable 2 is provided with the male connector 7 of cable connector, the center of hermetic seal cable connector flange 3
The female 8 of cable connector is provided with, GIS shells 4 are provided with the through hole for the female 8 by cable connector, coaxial electrical
The other end of cable 2 is logical by the male connector 7 of cable connector and the female 8 of cable connector and hermetic seal cable connector flange 3
Letter connection;
Cable connector flange is communicated to connect with temperature signal receiver 5;
Both ends of the both ends of strong current generator respectively with the electric loop where disc insulator 9 are electrically connected.
Need what is illustrated, depending on the quantity of temperature sensor 1 shows the quantity of measuring point to be checked, set if eight measuring points to be checked
Eight temperature sensors 1;
If temperature sensor 1 is using electronic temperature sensor 1, using two-wire system parallel connection, wherein power cord and number
It is commonly connected to according to line on the center conductor of coaxial cable 2, sensor ground wire is then commonly connected to the reticulated conductive of coaxial cable 2
On layer;
Cable connector is wall outlet connector;
Strong current generator is arranged at the outside of GIS shells 4;
During experiment, temperature sensor 1 is close to the tested point on 9 surface of disc insulator, and closed GIS cavitys are simultaneously inflated, and leads to
Super-high-current generator powers the performance loop where GIS disc insulators 9, applies the electric current higher than 2000A, simulates benzvalene form
The real work situation of insulator 9, temperature sensor 1 detects 9 tested point temperature of disc insulator, gentle by coaxial cable 2
Sealed cable connector flange 3 communicates with the temperature signal receiver 5 outside GIS device, due to 2 He of coaxial cable
The antijamming capability of cable connector, ensure that the stability of signal transmission, can then ensure GIS device using hermetic seal flange
Its leakproofness in cavity, the temperature that temperature signal receiver 5 then detects temperature sensor 1 carries out processing output, by upper
The disc insulator in the case of real work is simulated of disc insulator 9 can be detected by stating 9 system for detecting temperature of GIS disc insulators
The temperature of 9 surface tested points, solving the prior art effectively can not ask the technology of the progress temperature detection of GIS disc insulators 9
Topic.
Above is a kind of one embodiment of GIS disc insulators system for detecting temperature provided by the utility model, once
A kind of another embodiment of GIS disc insulators system for detecting temperature provided by the utility model.
Referring to Fig. 1, the utility model embodiment provides another of a kind of GIS disc insulators system for detecting temperature
Embodiment, including:Temperature sensor 1, coaxial cable 2, hermetic seal cable connector flange 3, GIS shells 4, strong current generator
With temperature signal receiver 5;
The point contact to be detected on disc insulator 9 in GIS shells 4 is provided with temperature sensor 1;
Temperature sensor 1 is communicated to connect with 2 one end of coaxial cable;
GIS shells 4 are provided with hermetic seal cable connector flange 3, and GIS shells 4 are logical with hermetic seal cable connector flange 3
Bolt is crossed to be fixedly connected;
The other end of coaxial cable 2 is provided with the male connector 7 of cable connector, the center of hermetic seal cable connector flange 3
The female 8 of cable connector is provided with, GIS shells 4 are provided with the through hole for the female 8 by cable connector, coaxial electrical
The other end of cable 2 is logical by the male connector 7 of cable connector and the female 8 of cable connector and hermetic seal cable connector flange 3
Letter connection;
Cable connector flange is communicated to connect with temperature signal receiver 5;
Both ends of the both ends of strong current generator respectively with the electric loop where disc insulator 9 are electrically connected.
It should be noted that GIS shells 4 are made of 5052-H112 aluminium alloys, up to 1MPa air pressures are can tolerate.Outside GIS
4 length of shell is 500mm, internal diameter 260mm, cavity thickness 10mm.Cavity both sides are machined with flange, and flange outer diameter is
345mm, can dock with disc insulator 9, valve and air gauge are provided with each chamber, can be filled with 0.4MPa into GIS shells 4
SF6, simulate scene GIS insulation conditions;
Disc insulator 9 is made of the epoxy resin of doping Al2O3, and shape is discoid, a diameter of 345mm, outside
Thickness is 35mm, is provided with the metal insert that outside diameter is 88mm in insulation subcenter, inserts material is 6063-T6 aluminium alloys, is used
In high pressure guide rod is fixedly mounted, the outside of disc insulator 9 is uniformly machined with 12 threaded holes, for GIS shells 4 to be fixedly mounted.
Strong current generator rated power is 200kVA, nominal input voltage 400V, and output voltage is divided into 10V and 20V
Two grades, maximum exportable electric current is 20000A.
Further, hermetic seal cable connector flange 3 is disc.
Further, circumferentially array distribution is provided with four threaded holes to hermetic seal cable connector flange 3.
It should be noted that hermetic seal cable connector flange 3 is made of aluminium alloy, shape is disc, a diameter of
100mm, thickness 15mm, the flange center are air hermetic cable connector female (connector through walls), and outside is machined with four spiral shells
Pit, for being connected with GIS metal cavities, is also provided with seal groove on the ring flange, can place O-shaped sealant rubber ring.
Further, temperature sensor 1 is fixedly connected by heat conductive silica gel with disc insulator 9.
It should be noted that temperature sensor 1 can be sticked together on 9 surface of disc insulator using heat conductive silica gel, at the same time
Because the good capacity of heat transmission of heat conductive silica gel, ensure that the accuracy for the temperature that temperature sensor 1 collects.
Further, cable connector is bnc connector.
It should be noted that bnc connector (Bayonet Nut Connector, snap-fit connector), is a kind of
For the connector of coaxial cable 2, also known as British Naval Connector, this title of snap-fit connector
The shape of this connector is vividly described;
Bnc connector is only an applicating example of the present embodiment, can also be substituted by other cable connectors,
Such as SMA connectors.
Further, temperature sensor 1 specifically includes:DS18B20 temperature senses chip and metal shell;
DS18B20 temperature sense chips are arranged in metal shell, DS18B20 temperature senses chip and metal shell filling
There is heat conductive silica gel.
It should be noted that DS18B20 temperature senses chip uses the interface mode of monobus, an only data lines are
Both-way communication can be achieved, good economy performance, strong antijamming capability, is suitable for the scene temperature measurement of adverse circumstances, easy to use, uses
Family can easily component sensors network, measurement range is wide, and any peripheral original paper is not required in when use, and electric power polarity is reversed
When, it will not burn because of fever, simply be stopped, the packaged type of optional smaller during encapsulation.
Further, temperature signal receiver 5 specifically includes:Signal processing module and splayed configuration LED charactrons;
Cable connector flange is communicated to connect with signal processing module;
Signal processing module is communicated to connect with splayed configuration LED charactrons.
It should be noted that the temperature wheel that each temperature sensor 1 detects can be circulated by signal processing module
Splayed configuration LED charactrons are crossed to be shown;
Temperature signal receiver 5 is using the power supply of 5V DC power supplies, and the accessible number of sensors of maximum is 30, temperature letter
Number receiver 5 possesses four splayed configuration LED charactrons, and circulation shows sensor relevant information (sensor total quantity, effective number
Number of sensors, the numbering and collection value of each sensor etc.), also with RS485 bus interface, can be led to host computer 6
News.
Further, further include:5 shell of temperature signal receiver;
The size of 5 shell of temperature signal receiver is 88mm*83mm*41mm, and signal processing module and splayed configuration LED are digital
Pipe is all arranged in 5 shell of temperature signal receiver.
Further, further include:Host computer 6;
Temperature signal receiver 5 is communicated to connect by RS485 interfaces and host computer 6.
It should be noted that Temperature processor is communicated with host computer 6, can be by the temperature by Temperature processor processing
Degree information, which is sent to host computer 6, to be stored or is further analyzed;
Host computer 6 refers to the computer that can directly send manipulation command, is usually made with industrial personal computer, work station, touch-screen
For host computer 6;
RS485 interfaces are only a citing of the utility model, can be communicated in several ways in real work,
Such as RS232 interface and RJ45 interfaces.
Further, coaxial cable 2 is RG-58 type cables.
It should be noted that RG-58 coaxial cables 2 are a kind of two conductor shielding cables, it is mainly used for Ethernet, RG58 leads to
Frequently referred to " thin coaxial cable 2 ", its characteristic impedance are 50 ohm.
When carrying out temperature detection, operating procedure is as follows:
1st, 8 temperature sensors 1 are close to by 9 surface of disc insulator using heat conductive silica gel;
2nd, 2 one end of coaxial cable is connected on hermetic seal cable connector flange 3;
3rd, hermetic seal cable connector flange 3 is installed on GIS shells 4, airtight cavity;
4th, vacuum pump is connected on GIS shells 4, vacuum is evacuated to chamber and reaches -50Kpa, then toward in chamber points
The SF6 of 0.5Mpa is not filled with;
5th, 5 communication link of one end and temperature signal receiver being located at hermetic seal cable connector flange 3 outside GIS shells 4
Connect;
6th, temperature signal receiver 5 is connected with host computer 6, and enabling signal writing function;
7th, strong current generator is opened, adjusting outputs current to 2000A, and the electric loop where disc insulator 9 is held
It is continuous to apply electric current;
8th, observe and record 9 temperature variations of disc insulator, until filament saturation.
During experiment, temperature sensor 1 is close to the tested point on 9 surface of disc insulator, and closed GIS cavitys are simultaneously inflated, and leads to
Super-high-current generator powers the performance loop where GIS disc insulators 9, applies the electric current higher than 2000A, simulates benzvalene form
The real work situation of insulator 9, temperature sensor 1 detects 9 tested point temperature of disc insulator, gentle by coaxial cable 2
Sealed cable connector flange 3 communicates with the temperature signal receiver 5 outside GIS device, due to 2 He of coaxial cable
The antijamming capability of cable connector, ensure that the stability of signal transmission, can then ensure GIS device using hermetic seal flange
Its leakproofness in cavity, the temperature that temperature signal receiver 5 then detects temperature sensor 1 carries out processing output, by upper
The disc insulator in the case of real work is simulated of disc insulator 9 can be detected by stating 9 system for detecting temperature of GIS disc insulators
The temperature of 9 surface tested points, solving the prior art effectively can not ask the technology of the progress temperature detection of GIS disc insulators 9
Topic.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description
With the specific work process of device, the corresponding process in preceding method embodiment is may be referred to, details are not described herein.
In several embodiments provided herein, it should be understood that shown or discussed mutual coupling
Or direct-coupling or communication connection can be by some interfaces, the INDIRECT COUPLING or communication connection of device or component, Ke Yishi
Electrically, machinery or other forms.
Separated component may or may not be physically separate, you can with positioned at a place, Huo Zheye
Setting can be distributed.Some or all of component therein can be selected to realize this embodiment scheme according to the actual needs
Purpose.
More than, above example is only to illustrate the technical solution of the utility model, rather than its limitations;Although with reference to before
Embodiment is stated the utility model is described in detail, it will be understood by those of ordinary skill in the art that:It still can be with
Modify to the technical solution described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic;And
These modifications are replaced, and the essence of appropriate technical solution is departed from the spirit of various embodiments of the utility model technical solution
And scope.
Claims (10)
- A kind of 1. GIS disc insulators system for detecting temperature, it is characterised in that including:It is temperature sensor, coaxial cable, airtight Seal cable connector flange, GIS shells, strong current generator and temperature signal receiver;The point contact to be detected on disc insulator in the GIS shells is provided with the temperature sensor;The temperature sensor is communicated to connect with described coaxial cable one end;The GIS shells are provided with the hermetic seal cable connector flange, the GIS shells and the hermetic seal cable connection Device flange is bolted to connection;The other end of the coaxial cable is provided with the male connector of cable connector, the center of the hermetic seal cable connector flange The female of the cable connector is provided with, the GIS shells are provided with for the logical of the female by the cable connector Hole, the other end of the coaxial cable pass through the male connector of the cable connector and the female of the cable connector and the gas Sealed cable connector flange communicates to connect;The cable connector flange is communicated to connect with the temperature signal receiver;Both ends of the both ends of the strong current generator respectively with the electric loop where the disc insulator are electrically connected.
- 2. a kind of GIS disc insulators system for detecting temperature according to claim 1, it is characterised in that the cable connects It is bnc connector to connect device.
- A kind of 3. GIS disc insulators system for detecting temperature according to claim 1, it is characterised in that the hermetic seal Cable connector flange is disc.
- A kind of 4. GIS disc insulators system for detecting temperature according to claim 3, it is characterised in that the hermetic seal Circumferentially array distribution is provided with four threaded holes to cable connector flange.
- 5. a kind of GIS disc insulators system for detecting temperature according to claim 1, it is characterised in that the temperature passes Sensor is fixedly connected by heat conductive silica gel with the disc insulator.
- 6. a kind of GIS disc insulators system for detecting temperature according to claim 1, it is characterised in that the temperature passes Sensor specifically includes:DS18B20 temperature senses chip and metal shell;The DS18B20 temperature senses chip is arranged in the metal shell, the DS18B20 temperature senses chip and described Metal shell is filled with heat conductive silica gel.
- A kind of 7. GIS disc insulators system for detecting temperature according to claim 1, it is characterised in that the temperature letter Number receiver specifically includes:Signal processing module and splayed configuration LED charactrons;The cable connector flange is communicated to connect with the signal processing module;The signal processing module is communicated to connect with the splayed configuration LED charactrons.
- 8. a kind of GIS disc insulators system for detecting temperature according to claim 7, it is characterised in that further include:Temperature Signal receiver shell;The size of the temperature signal receiver casing is 88mm*83mm*41mm, the signal processing module and the splayed configuration LED charactrons are all arranged in the temperature signal receiver casing.
- 9. a kind of GIS disc insulators system for detecting temperature according to claim 1, it is characterised in that further include:It is upper Machine;The temperature signal receiver is communicated to connect by RS485 interfaces and the host computer.
- A kind of 10. GIS disc insulators system for detecting temperature according to claim 1, it is characterised in that the coaxial electrical Cable is RG-58 type cables.
Priority Applications (1)
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CN201721342282.9U CN207263340U (en) | 2017-10-18 | 2017-10-18 | A kind of GIS disc insulators system for detecting temperature |
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CN201721342282.9U CN207263340U (en) | 2017-10-18 | 2017-10-18 | A kind of GIS disc insulators system for detecting temperature |
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CN201721342282.9U Withdrawn - After Issue CN207263340U (en) | 2017-10-18 | 2017-10-18 | A kind of GIS disc insulators system for detecting temperature |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107588866A (en) * | 2017-10-18 | 2018-01-16 | 广东电网有限责任公司电力科学研究院 | A kind of GIS disc insulators system for detecting temperature |
-
2017
- 2017-10-18 CN CN201721342282.9U patent/CN207263340U/en not_active Withdrawn - After Issue
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107588866A (en) * | 2017-10-18 | 2018-01-16 | 广东电网有限责任公司电力科学研究院 | A kind of GIS disc insulators system for detecting temperature |
CN107588866B (en) * | 2017-10-18 | 2023-05-23 | 广东电网有限责任公司电力科学研究院 | GIS basin-type insulator temperature detection system |
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