CN202661196U - Structure of high-voltage GIS (gas insulated metal-enclosed switchgear) built-in temperature sensor - Google Patents
Structure of high-voltage GIS (gas insulated metal-enclosed switchgear) built-in temperature sensor Download PDFInfo
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- CN202661196U CN202661196U CN201220175658.2U CN201220175658U CN202661196U CN 202661196 U CN202661196 U CN 202661196U CN 201220175658 U CN201220175658 U CN 201220175658U CN 202661196 U CN202661196 U CN 202661196U
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Abstract
The utility model discloses a structure of a high-voltage GIS (geographic information system) built-in temperature sensor, belonging to a temperature online monitoring device for high-voltage power equipment. The structure is characterized by being provided with an optical fibre sleeve, wherein an optical fibre is sleeved at the middle of the optical fibre sleeve, and the end head of the optical fibre is a plug; and lantern ring units are connected to the optical fibre sleeve. Three of the lantern ring units of the structure disclosed by the utility model form one group corresponding to three-phase conductors A, B and C, and are connected via the optical fibre sleeve to form the built-in temperature sensor which is used for realizing temperature online monitoring for the three-phase conductors. According to the utility model, a temperature-sensing thermal detector is used for directly contacting with the detected part, so that the measured temperature is accurate and the measured part is accurate. The structure is safe with the adoption of the optical fibre for isolating a high voltage, and the conduction for a temperature signal of the optical fibre is prevented from electromagnetic interference. Therefore, safe and reliable online monitoring for the temperatures of the conductors in the GIS is realized; the purposes of reducing GIS equipment accidents, improving power supply reliability, and realizing condition based maintenance and computer monitoring are achieved; contribution is made to construction for smart power grids of China, and good social benefits are realized.
Description
Technical field
The utility model relates to high-voltage power device temperature on-Line Monitor Device, is the structure of a kind of high voltage GIS (high pressure gas insulation metal sealing switch equipment) built-in temperature sensor specifically.
Background technology
Existing high-voltage power equipment is one of 18 great anti-accident measures of electrical network of State Grid Corporation of China in the overheated measure of prevention switchgear current loop.Switchgear is the key equipment of electric system, and its running status directly has influence on the power supply reliability of electrical network.China's GIS annual production increases rapidly, and rated current reaches 4000A.Its inner conductor dbus is crossed insulated support and is fixed.Be connected with between the conductor of GIS and be fixedly connected with and be slidingly connected.The connecting portion of conductor has an accident and is mostly that contact resistance is excessive and causes temperature rise too high initiation.Wherein disconnector all adopts button contact base to peg graft with being slidingly connected, and has the webge contact loose contact, the overheated hidden danger that causes insulation ag(e)ing to cause single-phase shorted to earth accident.Therefore must carry out on-line temperature monitoring to isolation switch contact and bus connection-peg.Present domestic GIS does not also have safe and reliable on-line temperature monitoring product.Therefore, development and exploitation Related product not only have broad application prospects, and can improve the safety and stability of GIS equipment work.
Summary of the invention
In order to overcome the defective of existing product, the purpose of this utility model is in the applicant's invention " high pressure temperature on-line monitoring photoelectricity inversion thimble structure ", propose a kind of simple in structure on the basis of the patent No.: ZL200810070612.2, easy to use, the new structure of work safety and stable high voltage GIS built-in temperature sensor.
The technical scheme that its technical matters that solves the utility model adopts is: the structure of a kind of high voltage GIS built-in temperature sensor that is comprised of ferrule, optical fiber and collar unit, it is characterized in that: a ferrule is arranged, the ferrule intermediate sleeve has optical fiber, and optic fibre end is plug; Be connected with collar unit on the ferrule.
Described optical fiber is to be through in the ferrule, and the utility model collar unit has three corresponding to every group of A, B, C three-phase conductor, connects to form built-in temperature sensor by ferrule.Realize the three-phase conductor on-line temperature monitoring.
Described collar unit is that a heart is arranged is the collar main body that through hole and its front end are provided with a circular lasso, and inner embedding of the circular lasso of collar body front end has the induction power coil; Collar main body through hole is provided with electrical optical converter in the middle of the upper end, and electrical optical converter is provided with lead-in wire, and the other end of lead-in wire is connected with the induction power supply coil, also is connected with thermal detector on the electrical optical converter, and conductor detected on thermal detector and the GIS equipment touches; Electrical optical converter is inner to be connected with optical fiber, and optical fiber passes the fiber-optical socket connection of the other end setting of penetrating Kong Yukong, and fiber-optical socket is connected with Optical fiber plug with optical fiber.
Be provided with three dog screws on the circular lasso of described collar body front end, collar unit is fixed on the conductor.
Described optical fiber can adopt penetrating perforation or adopt and directly imbed in the collar main body, is connected on the outside control module.
The utility model injects the induction power supply coil take the insulation collar as main body, the new structure of a kind of high voltage GIS built-in temperature sensing that forms with thermal detector, electrical optical converter, optical fiber, fiber-optical socket, Optical fiber plug and ferrule etc.
The beneficial effects of the utility model are: because the utility model adopts the directly tested position of contact of temperature-sensing thermal detecting device, it is accurate to measure temperature, and the measuring point is accurate.Adopt the induction power supply coil power supply, need not change battery.Adopt the optical fiber isolated high voltage very safe, the fiber optic conduction temperature signal is not subjected to electromagnetic interference (EMI) very reliable.Optical fiber is arranged not only easy but also safety along ferrule.Realize safe and reliable on-line monitoring GIS inner conductor temperature.Reach and reduce GIS equipment breakdown, raising power supply reliability, realization repair based on condition of component, computer monitoring purpose.Exert oneself for China's intelligent grid construction, have good social benefit.
Description of drawings
Below in conjunction with drawings and Examples the utility model is conducted further description.
Fig. 1 is that the structure of the utility model built-in temperature sensor is always schemed.
Fig. 2 is the topology view that the utility model Figure 1A-A analyses and observe.
Fig. 3 is the topology view of the single collar unit full section of the utility model.
1 collar main body among the figure, 2 thermal detectors, 3 induction power supply coils, 4 dog screws, 5 electrical optical converters, 6 optical fiber, 7 fiber-optical sockets, 8 Optical fiber plugs, 9 ferrules.
Embodiment
Embodiment 1:
The collar unit structure of present embodiment is by collar main body 1 and the upper thermal detector 2 that connects thereof, induction power supply coil 3, electrical optical converter 5, the feature of the composition collar unit such as optical fiber 6, fiber-optical socket 7 is: it is the collar main body 1 that through hole and its front end are provided with a circular lasso that a heart is arranged, and inner embedding of the circular lasso of collar main body 1 front end has induction power coil 3; Collar main body 1 through hole is provided with electrical optical converter 5 in the middle of the upper end, electrical optical converter 5 is provided with lead-in wire, the other end of lead-in wire is connected with induction power supply coil 3, also is connected with thermal detector 2 on the electrical optical converter 5, and conductor detected on thermal detector 2 and the GIS equipment touches; Electrical optical converter 5 is inner to be connected with optical fiber 6, and optical fiber 6 passes fiber-optical socket 7 connections of the other end setting of penetrating Kong Yukong, and fiber-optical socket 7 is connected with Optical fiber plug 8 with optical fiber, and optical fiber 6 is to be set in the ferrule 9.
Present embodiment collar unit structural correspondence has three in every group of A, B, C three-phase conductor, connects to form built-in temperature sensor by ferrule 9.Realize the three-phase conductor on-line temperature monitoring.
Claims (4)
1. the structure of a high voltage GIS built-in temperature sensor, it is characterized in that: a ferrule is arranged, and the ferrule intermediate sleeve has optical fiber, and optic fibre end is plug; Be connected with collar unit on the ferrule.
2. the structure of a kind of high voltage GIS built-in temperature sensor according to claim 1 is characterized in that: described collar unit has three corresponding to every group of A, B, C three-phase conductor, connects to form built-in temperature sensor by ferrule.
3. the structure of a kind of high voltage GIS built-in temperature sensor according to claim 1, it is characterized in that: described collar unit is that a heart is arranged is the collar main body that through hole and its front end are provided with a circular lasso, and inner embedding of the circular lasso of collar body front end has the induction power coil; Collar main body through hole is provided with electrical optical converter in the middle of the upper end, and electrical optical converter is provided with lead-in wire, and the other end of lead-in wire is connected with the induction power supply coil, also is connected with thermal detector on the electrical optical converter, and conductor detected on thermal detector and the GIS equipment touches; Electrical optical converter is inner to be connected with optical fiber, and optical fiber passes the fiber-optical socket connection of the other end setting of penetrating Kong Yukong, and fiber-optical socket is connected with Optical fiber plug with optical fiber.
4. the structure of a kind of high voltage GIS built-in temperature sensor according to claim 1 is characterized in that: the perforation that the optical fiber in the described collar unit is penetrating or adopt and directly imbed in the collar main body is connected on the outside control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220175658.2U CN202661196U (en) | 2012-04-17 | 2012-04-17 | Structure of high-voltage GIS (gas insulated metal-enclosed switchgear) built-in temperature sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220175658.2U CN202661196U (en) | 2012-04-17 | 2012-04-17 | Structure of high-voltage GIS (gas insulated metal-enclosed switchgear) built-in temperature sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202661196U true CN202661196U (en) | 2013-01-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220175658.2U Expired - Fee Related CN202661196U (en) | 2012-04-17 | 2012-04-17 | Structure of high-voltage GIS (gas insulated metal-enclosed switchgear) built-in temperature sensor |
Country Status (1)
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| CN (1) | CN202661196U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103376170A (en) * | 2012-04-17 | 2013-10-30 | 陈津 | Structure of built-in temperature sensor of high voltage GIS |
-
2012
- 2012-04-17 CN CN201220175658.2U patent/CN202661196U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103376170A (en) * | 2012-04-17 | 2013-10-30 | 陈津 | Structure of built-in temperature sensor of high voltage GIS |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| DD01 | Delivery of document by public notice |
Addressee: Chen Jin Document name: Notification to Go Through Formalities of Registration |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130109 Termination date: 20160417 |
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| CF01 | Termination of patent right due to non-payment of annual fee |