CN204760867U - Fiber optic current sensor shell, fiber optic current sensor and GIS equipment for GIS - Google Patents
Fiber optic current sensor shell, fiber optic current sensor and GIS equipment for GIS Download PDFInfo
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- CN204760867U CN204760867U CN201520357254.9U CN201520357254U CN204760867U CN 204760867 U CN204760867 U CN 204760867U CN 201520357254 U CN201520357254 U CN 201520357254U CN 204760867 U CN204760867 U CN 204760867U
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- current sensor
- gis
- optic current
- fibre optic
- loop configuration
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Abstract
The utility model discloses a fiber optic current sensor shell for the GIS belongs to the device field that the high voltage substation is used for measuring current for encapsulation sensing fiber, this fiber optic current sensor shell include first loop configuration and the second loop configuration that closely cooperates and set up the sealing washer between first loop configuration and second loop configuration that wherein first loop configuration from interior to exterior is equipped with the holding in proper order the seal groove of sealing washer, holding sensing fiber's optic fibre groove and fixed connection hole, the optic fibre groove is equipped with the optic fibre outlet, be used for with fiber optic current sensor shell for the GIS is drawn forth to sensing fiber's joint. This is simple, the small in size of fiber optic current sensor shell structure for the GIS, adopts the same simple structure of fiber optic current sensor, the small in size of this structure, adopts this fiber optic current sensor's GIS equipment, and simple structure, good, the small in size of leakproofness have guaranteed high voltage insulation's requirement simultaneously.
Description
Technical field
The utility model relates to high voltage substation for measuring the device field of electric current, particularly relates to GIS optical fiber current sensing device field.
Background technology
GIS (GasInsulatedSwitchgear, metal enclosed gas-insulated high-voltage switchgear assembly) high-voltage combined electrical apparatus that is made up of circuit breaker, isolating switch, earthed switch, instrument transformer, lightning arrester, bus, syndeton and outlet terminal etc., these equipment or parts are all enclosed in the metal shell of ground connection, be filled with the SF6 insulating gas of certain pressure in metal shell inside, therefore also claim SF6 fully closed combined electric unit.For a long time, GIS adopts electromagnetic current transducer to obtain measurement and guard signal always, and the lead-out wire of the current transformer of electromagnetic type is metal, therefore passes from gases at high pressure and realizes sealing than being easier to; But it is heavy greatly that the defect that electromagnetic current transducer exists is volume, complex for insulation, and owing to there being hysteresis effect, in certain current range, want to realize wider measuring range, multiple coil must be placed in a cylindrical shell, with the measurement requirement of satisfied different current range.GIS manufacturing technology is in constantly progressive and development in recent years, and each GIS manufacturer, round raising economy and these two main targets of reliability, has carried out large quantity research, exploitation in component structure, combining form, manufacturing process and operation and maintenance.One of them important progress adopts fibre optical current sensor in GIS device, it is wide that fibre optical current sensor has measuring range, precision is high, not by advantages such as electromagnetic interference, but there are technological difficulties for the fibre optic current sensor of GIS device in prior art: because a kind of special polarization maintaining optical fibre of Transmission Fibers formula that fibre optical current sensor is used, this optical fiber cannot realize connecting by the mode of optical cable connector, connecting between optical fiber and optical fiber can only be realized with optical fiber splicer, optical fiber itself is very thin, do not add crust protection, optical fiber very easily fractures, add crust protection, sealing is difficult to again to realize air tight.At present in order to ensure that optical fiber can wear out from sulphur hexafluoride cylindrical shell, sulfur hexafluoride gas can not be produced leak, usually adopt the complicated hermetically-sealed construction of design to strengthen the sealing problem of optical fiber extension, cause the overall structure of GIS to become very complicated, body is large comparatively large, and manufacturing cost is high.
Utility model content
In order to solve the above problem existed in prior art, it is simple that the utility model aims to provide a kind of structure, the GIS fibre optic current sensor shell of good airproof performance, provide the fibre optic current sensor adopting this GIS fibre optic current sensor shell simultaneously, this fibre optic current sensor same structure is simple and have good sealing effectiveness, additionally provide the GIS device adopting this GIS fibre optic current sensor shell, this GIS device structure is simple, good airproof performance, compact, ensure that the requirement of High-Voltage Insulation simultaneously.
As follows for realizing the technical scheme that the purpose of this utility model adopts:
A kind of GIS fibre optic current sensor shell, dock with GIS barrel body, for encapsulating sensor fibre, the sealing ring that this fibre optic current sensor shell comprises close-fitting first loop configuration and the second loop configuration and is arranged between the first loop configuration and the second loop configuration, wherein the first loop configuration is provided with the seal groove of accommodating described sealing ring and the optical fiber duct of accommodating described sensor fibre from the inside to the outside successively, described optical fiber duct is provided with optical fiber outlet, for the joint of described sensor fibre is drawn GIS fibre optic current sensor shell.
The standard disc insulator ring flange that described first loop configuration and the second loop configuration are formed in one.
The described second loop configuration one side relative with described first loop configuration is set to smooth flat; Described smooth flat is provided with the mounting groove matched with described optical fiber duct, seal groove.
A kind of fibre optic current sensor, this fibre optic current sensor comprises described GIS fibre optic current sensor shell and is fixedly installed in the signal transacting box outside described GIS fibre optic current sensor shell, described signal transacting box is arranged at described optical fiber outlet position, described signal transacting box offers optical fiber intake and optical cable interface, in described signal transacting box, be provided with photoelectric signal collection plate module.
Described signal transacting box comprises box body, described box body comprises a circular arc end face, this circular arc end face matches with described GIS fibre optic current sensor shell, the both sides of circular arc end face are provided with connecting portion, for described signal transacting box being fixedly installed in the outside of described GIS fibre optic current sensor shell.
A kind of GIS device, comprise described GIS fibre optic current sensor shell, described GIS fibre optic current sensor shell is installed on the middle part of GIS barrel body, described GIS barrel body is provided with adpting flange, and described fibre optic current sensor shell is by described adpting flange and described GIS barrel body compact siro spinning technology.
Described GIS device also comprises the signal transacting box of the outside being fixedly installed in described GIS fibre optic current sensor shell, described signal transacting box is arranged at described optical fiber outlet position, described signal transacting box offers optical fiber intake and optical cable interface, in described signal transacting box, be provided with photoelectric signal collection plate module.
Described adpting flange is provided with annular groove, for accommodating sealing ring.
Described GIS device also comprises disc insulator, and this disc insulator is used for the two ends of closed described GIS barrel body or plays supportive conductors in the middle of GIS barrel body.
Beneficial effect: the GIS fibre optic current sensor shell that the utility model provides adopts close-fitting first loop configuration and the second loop configuration to be fixedly connected to form GIS fibre optic current sensor shell, and be provided with sealing ring between the first loop configuration and the second loop configuration, seal groove is arranged on inner ring, optical fiber duct is arranged on outer ring, namely high-pressure gas seal at the inner ring of GIS with fibre optic current sensor shell, optical fiber outlet extends to the outside of GIS fibre optic current sensor shell from the optical fiber duct being positioned at outer ring, do not affect the sealing of the gases at high pressure sulphur hexafluoride in GIS device, GIS device is without the need to doing design of Sealing Structure in addition, therefore this GIS is simple with fibre optic current sensor shell mechanism, compact and good insulation and sealing effectiveness can be ensured, and processing and manufacturing cost is low.
The fibre optic current sensor that the utility model provides have employed above-mentioned GIS fibre optic current sensor shell and is fixed on the signal transacting box of GIS fibre optic current sensor shell, therefore equally there is good sealing effect, structure is simple, the effect of compact, and processing and manufacturing cost is low.
The utility model additionally provides a kind of GIS device, and this GIS device, owing to adopting above-mentioned fibre optic current sensor, therefore has good sealing effect equally, and structure is simple, the effect of compact, and processing and manufacturing cost is low.
Accompanying drawing explanation
First loop configuration of the GIS fibre optic current sensor shell that Fig. 1 provides for embodiment of the present utility model and the schematic diagram of the second loop configuration opposite face;
Fig. 2 is the cutaway view of the first loop configuration in Fig. 1;
Fig. 3 is the schematic diagram with the second loop configuration and the first loop configuration opposite face;
The structural representation of the fibre optic current sensor that Fig. 4 provides for embodiment of the present utility model;
Fig. 5 is the structural representation of the signal transacting box in Fig. 4;
The structural representation of the GIS barrel body that Fig. 6 provides for embodiment of the present utility model;
Fig. 7 is the connecting end surface schematic diagram of GIS barrel body in Fig. 6.
Embodiment
Below according to drawings and embodiments, the technical solution of the utility model and beneficial effect are further elaborated.
First embodiment: with reference to Fig. 1 ~ Fig. 3, the utility model provides a kind of GIS fibre optic current sensor shell, be fixedly connected on the link of GIS device, dock with GIS barrel body, this fibre optic current sensor shell is for encapsulating sensor fibre (not shown), this fibre optic current sensor shell comprises close-fitting first loop configuration 110 and the second loop configuration 120, and the sealing ring (not shown) be arranged between the first loop configuration 110 and the second loop configuration 120, wherein the first loop configuration 110 is provided with the seal groove 111 of accommodating sealing ring from the inside to the outside successively, the optical fiber duct 112 of accommodating sensor fibre be fixedly connected with hole 130, optical fiber duct 112 is provided with optical fiber outlet 113, for the joint of sensor fibre is drawn GIS fibre optic current sensor shell.
Close-fitting first loop configuration 110 is have employed and the second loop configuration 120 is fixedly connected to form fibre optic current sensor shell due to GIS fibre optic current sensor shell, and be provided with sealing ring between the first loop configuration 110 and the second loop configuration 120, first loop configuration 110 is provided with the seal groove 111 of accommodating sealing ring and the optical fiber duct 112 of accommodating sensor fibre from the inside to the outside successively, because seal groove 111 is arranged on inner ring, optical fiber duct 112 is arranged on outer ring, optical fiber outlet 113 extends to the outside of GIS fibre optic current sensor shell from the optical fiber duct 112 being positioned at outer ring, do not affect the sealing of the gases at high pressure sulphur hexafluoride in GIS device, GIS device does not need the hermetically-sealed construction for fibre optic current sensor shell additional design complexity.This GIS has with fibre optic current sensor shell that structure is simple, the advantage of good sealing effect, and processing and manufacturing cost is low.
First loop configuration 110 and the second loop configuration 120 can be set to circle, square or other loop configuration, specifically depend on the shape of the link of GIS device, in the present embodiment, the link of GIS device is circular flange, therefore the first loop configuration 110 and the second loop configuration 120 adopt standard disc insulator ring flange, and this ring flange is made up of aluminium alloy, one-body molded, structure is simple, and processing cost is low.Second loop configuration 120 one side relative with the first loop configuration 110 is set to smooth flat.Further, in order to easy for installation, the smooth flat of the second loop configuration 120 can be arranged two shallow slots as mounting groove 121, two mounting grooves 121 are corresponding with seal groove 111 and optical fiber duct 112, the degree of depth of mounting groove 121 is compared very little with seal groove 111 with the degree of depth of optical fiber duct 112, the degree of depth of such as seal groove 111 and optical fiber duct 112 is 6mm, and the degree of depth of mounting groove can be set to 0.2mm.Second loop configuration 120 is provided with and corresponding with the first loop configuration 110 is fixedly connected with hole.
Second embodiment: with reference to Fig. 4 ~ Fig. 5, the fibre optic current sensor that the present embodiment provides, be installed on GIS device, comprise fibre optic current sensor shell 100 that the first embodiment provides and be fixedly installed in the signal transacting box 200 of outside of fibre optic current sensor shell 100, signal transacting box 200 is arranged at optical fiber outlet 113 position, signal transacting box 200 offers optical fiber intake 201 and optical cable interface 202, photoelectric signal collection plate module 220 is provided with, for photosignal is converted into communication signal in signal transacting box 200.Sensor fibre is drawn from the optical fiber outlet 113 of the first loop configuration 110, enters optical fiber intake 201, is connected or is connected directly to photoelectric signal collection plate module 220 with Transmission Fibers.
Particularly, signal transacting box 200 comprises box body 210 and lid (not shown), box body 210 comprises a circular arc end face 211, this circular arc end face 211 matches with fibre optic current sensor shell 100, the both sides of circular arc end face 211 are provided with connecting portion 230, and connecting portion 230 offers screw hole, and fibre optic current sensor shell 100 is equipped with blind hole, bolts through bolt holes also pierces blind hole, is fixedly installed on fibre optic current sensor shell 100 by signal transacting box 200.Because signal transacting box 200 is arranged at optical fiber outlet 113 place; and the optical fiber intake 201 on signal transacting box 200 is communicated with the optical fiber outlet 113 on fibre optic current sensor shell 100; after sensor fibre is drawn from optical fiber outlet 113; can direct entering signal handle box 200; connection photoelectric signal collection plate module 220, saves fiber optic materials and optical fiber can well be protected.
3rd embodiment: with reference to Fig. 6 ~ Fig. 7, the GIS device that the present embodiment provides, comprise fibre optic current sensor and GIS barrel body 300 that the second embodiment provides, the end of GIS barrel body 300 is provided with adpting flange 310, fibre optic current sensor shell 100 in fibre optic current sensor coordinates with adpting flange 310, particularly, first loop configuration 110 and the opposing one side of the second loop configuration 120 and the respective outer side edges of adpting flange 310, first loop configuration 110 and the circumference of the second loop configuration 120 are respectively equipped with two groups and alternate are fixedly connected with hole 130, first group is fixedly connected with hole 131 for forming a fixed connection with the adpting flange 310 of GIS barrel body, screw is adopted to connect in the present embodiment.Second group is fixedly connected with hole 132 and forms a fixed connection for the first loop configuration 110 and the second loop configuration 120, and adopt screw to connect in the present embodiment, second group of the first loop configuration 110 is fixedly connected with hole and is set to blind hole, be fixedly connected with hole and be through hole.Further, adpting flange 310 is provided with annular groove, and annular groove is used for accommodating sealing ring, adpting flange 310 is formed with fibre optic current sensor shell 100 and is connected closely, to prevent high pressure gas leakage.Further, the two ends of GIS device are provided with disc insulator, are closed the two ends of GIS barrel body by disc insulator.The central connecting part of disc insulator is copper, and outer shroud is aluminium alloy, is epoxy resin between central connecting part and outer shroud.The back side of the second loop configuration and the connecting end surface of disc insulator are equipped with, and form compact siro spinning technology.The insulation effect of disc insulator is good, not only can play the effect that end cap seal effect also has supporting bus.Certainly, other similar structures also can be adopted to replace disc insulator as the closed end cap of GIS.
GIS device is installed on supporting seat, and supporting seat, for supporting GIS barrel body, makes GIS barrel body and ground isolate.
The announcement of book and instruction according to the above description, the utility model those skilled in the art can also change above-mentioned execution mode and revise.Therefore, the utility model is not limited to embodiment disclosed and described above, also should fall in the protection range of claim of the present utility model modifications and changes more of the present utility model.In addition, although employ some specific terms in this specification, these terms just for convenience of description, do not form any restriction to the utility model.
Claims (9)
1. a GIS fibre optic current sensor shell, dock with GIS barrel body, for encapsulating sensor fibre, it is characterized in that: this fibre optic current sensor shell comprises close-fitting first loop configuration and the second loop configuration, and the sealing ring be arranged between the first loop configuration and the second loop configuration, wherein the first loop configuration is provided with the seal groove of accommodating described sealing ring and the optical fiber duct of accommodating described sensor fibre from the inside to the outside successively, described optical fiber duct is provided with optical fiber outlet, for the joint of described sensor fibre is drawn GIS fibre optic current sensor shell.
2. GIS fibre optic current sensor shell according to claim 1, is characterized in that: the standard disc insulator ring flange that described first loop configuration and the second loop configuration are formed in one.
3. GIS fibre optic current sensor shell according to claim 1, is characterized in that: the described second loop configuration one side relative with described first loop configuration is set to smooth flat; Described smooth flat is provided with the mounting groove matched with described optical fiber duct, seal groove.
4. a fibre optic current sensor, it is characterized in that: this fibre optic current sensor comprises GIS fibre optic current sensor shell according to claim 1 and is fixedly installed in the signal transacting box outside described fibre optic current sensor shell, described signal transacting box is arranged at described optical fiber outlet position, described signal transacting box offers optical fiber intake and optical cable interface, in described signal transacting box, be provided with photoelectric signal collection plate module.
5. fibre optic current sensor according to claim 4, it is characterized in that: described signal transacting box comprises box body, described box body comprises a circular arc end face, this circular arc end face matches with described fibre optic current sensor shell, the both sides of circular arc end face are provided with connecting portion, for described signal transacting box being fixedly installed in the outside of described fibre optic current sensor shell.
6. a GIS device, it is characterized in that: comprise GIS fibre optic current sensor shell as claimed in claim 1, described GIS fibre optic current sensor shell is installed on the middle part of GIS barrel body, described GIS barrel body is provided with adpting flange, and described fibre optic current sensor shell is by described adpting flange and described GIS barrel body compact siro spinning technology.
7. GIS device according to claim 6, it is characterized in that: also comprise the signal transacting box be fixedly installed in outside described fibre optic current sensor shell, described signal transacting box is arranged at described optical fiber outlet position, described signal transacting box offers optical fiber intake and optical cable interface, in described signal transacting box, be provided with photoelectric signal collection plate module.
8. GIS device according to claim 6, is characterized in that: described adpting flange is provided with annular groove, for accommodating sealing ring.
9. GIS device according to claim 6, is characterized in that: described GIS device also comprises disc insulator, and this disc insulator is used for the two ends of closed described GIS barrel body or plays supportive conductors in the middle of GIS barrel body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520357254.9U CN204760867U (en) | 2015-05-27 | 2015-05-27 | Fiber optic current sensor shell, fiber optic current sensor and GIS equipment for GIS |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520357254.9U CN204760867U (en) | 2015-05-27 | 2015-05-27 | Fiber optic current sensor shell, fiber optic current sensor and GIS equipment for GIS |
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| Publication Number | Publication Date |
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| CN204760867U true CN204760867U (en) | 2015-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520357254.9U Active CN204760867U (en) | 2015-05-27 | 2015-05-27 | Fiber optic current sensor shell, fiber optic current sensor and GIS equipment for GIS |
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| CN (1) | CN204760867U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108471077A (en) * | 2018-03-10 | 2018-08-31 | 孙颖 | Integrated high pressure GIS shell branch cartridge modules |
| CN108700617A (en) * | 2016-02-26 | 2018-10-23 | 大电株式会社 | Current transformer |
-
2015
- 2015-05-27 CN CN201520357254.9U patent/CN204760867U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108700617A (en) * | 2016-02-26 | 2018-10-23 | 大电株式会社 | Current transformer |
| CN108471077A (en) * | 2018-03-10 | 2018-08-31 | 孙颖 | Integrated high pressure GIS shell branch cartridge modules |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180123 Address after: 510000 Guangdong Province, Guangzhou high tech Industrial Development Zone No. 31 by a Ke Feng Lu Southern China new material innovation park building G A326 Patentee after: Guangzhou Shen Chang Wo Photoelectric Technology Co. Ltd. Address before: 510665 room 33, Tianhe District chess street, Guangzhou, Guangdong Province, Room 403 Patentee before: Wang Haiqiang |
|
| TR01 | Transfer of patent right |