CN204991425U - Take outdoor voltage transformer of secondary circuit fuse - Google Patents
Take outdoor voltage transformer of secondary circuit fuse Download PDFInfo
- Publication number
- CN204991425U CN204991425U CN201520770138.XU CN201520770138U CN204991425U CN 204991425 U CN204991425 U CN 204991425U CN 201520770138 U CN201520770138 U CN 201520770138U CN 204991425 U CN204991425 U CN 204991425U
- Authority
- CN
- China
- Prior art keywords
- secondary circuit
- circuit fuse
- voltage transformer
- fuse
- band
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000004804 winding Methods 0.000 claims abstract description 15
- 229920002379 silicone rubber Polymers 0.000 claims abstract description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000009413 insulation Methods 0.000 claims description 12
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 12
- 239000003822 epoxy resin Substances 0.000 claims description 10
- 229920000647 polyepoxide Polymers 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 8
- 239000004033 plastic Substances 0.000 claims description 7
- 229920003023 plastic Polymers 0.000 claims description 7
- 230000007704 transition Effects 0.000 claims description 6
- 239000002131 composite material Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 229920000260 silastic Polymers 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 2
- 238000005259 measurement Methods 0.000 abstract description 5
- 150000001875 compounds Chemical class 0.000 abstract description 3
- 239000004593 Epoxy Substances 0.000 abstract 1
- 238000007789 sealing Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 229910052573 porcelain Inorganic materials 0.000 description 2
- 208000033999 Device damage Diseases 0.000 description 1
- 230000003373 anti-fouling effect Effects 0.000 description 1
- 230000010165 autogamy Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Landscapes
- Transformers For Measuring Instruments (AREA)
Abstract
The utility model relates to an electric power system high pressure voltage measurement device, specifically speaking is a take outdoor voltage transformer of secondary circuit fuse. Iron core, primary winding, secondary winding, sleeve pipe insulated column, secondary terminal box are through epoxy and the silicon rubber compound inslation integral type structure that forms, integral type structure integral erection is on the cell type base, join in marriage in the secondary terminal box and be equipped with secondary circuit fuse device. The utility model discloses take fuse protect function, easy dismounting, insulating stable, resistant pollution flashover, small, compact structure.
Description
Technical field
The utility model relates to electric power system high tension voltage measurement mechanism, specifically a kind of band secondary circuit fuse outdoor voltage transformer.
Background technology
The supporting outdoor voltage transformer of pole-mounted circuit breaker mainly uses as voltage measurement and transient operation power supply, pushing forward comprehensively especially along with national distribution automation work, various intelligent outdoor pole top switch and demarcation switch adopt in a large number, propose more requirement to outdoor voltage transformer function.Have except requiring product that volume is little, non-oil ultra high vacuum system, band high-voltage and current-limitation fuse, except the function such as non-maintaining, in order to avoid secondary circuit has overload and short circuit fault fault, require that instrument transformer secondary can from tape loop fuse apparatus, avoid secondary circuit and secondary winding to be short-circuited fault, cause device damage and power outage.And current industry does not also have the product of this performance, need especially to develop this performance products, reduce in the operation of outdoor pole top switch, because second loop return wiring error or control element reason cause the risk probability of equipment fault, the overall reliability and safety improving equipment safety operation.
Utility model content
For existing system for distribution network of power automation on-pole switch because the problem of secondary circuit overload or second short circuit fault, the technical problems to be solved in the utility model is to provide a kind of band secondary circuit fuse outdoor voltage transformer.
The technical scheme that the utility model is adopted for achieving the above object is: a kind of band secondary circuit fuse outdoor voltage transformer, iron core, winding, secondary winding, sleeve pipe insulated column, a secondary terminal box form integral structure by epoxy resin and silicon rubber composite insulation, described integral structure integral installation, on grooved base, is fitted with secondary circuit fuse apparatus in described secondary terminal box.
Described secondary circuit fuse apparatus is high temperature plastics screw shell band connecting lead wire form.
Two welding edges of described connecting lead wire have U-shaped binding post.
Described secondary circuit fuse apparatus adopts U-shaped binding post and screw fastener to be fixedly connected with the secondary transition terminal of two in secondary terminal box.
The outermost layer of described integral structure is silastic material, and secondary skin is epoxy resin.
Described integral structure outer surface is provided with silicon rubber umbrella skirt.
Described sleeve pipe insulated column inside envelope is equipped with a high-voltage and current-limitation fuse.
The utility model has the following advantages and beneficial effect:
1, fuse defencive function, easy accessibility is with: interiors of products design autogamy once high-voltage and current-limitation fuse and secondary circuit fuse defencive function; available protecting protection product when secondary circuit overload or secondary loop short circuit fault and system malfunctions can not damage; Rational structure design makes change of fuse dismounting convenient, ensures the safe and reliable operation of complete set of equipments.
2, insulate stable, resistance to pollution flashover: adopt rational structural design, ensure that product has very large surface insulation, silicone rubber insulation material has good tracking resistance and electrical erosion resistance energy, greatly increases pollution flashover voltage, effectively can prevent the generation of pollution flashover fault.
3, little, the compact conformation of volume: secondary circuit fuse apparatus is encapsulated in secondary terminal box inside, and carry out sealing two sleeve pipe insulated column inside with two secondary lids and be sealed with a high-voltage and current-limitation fuse respectively, effectively make use of the space of instrument transformer, small product size is little, compact conformation, reduces the overall dimensions of outdoor pole top switch.
Accompanying drawing explanation
Fig. 1 is the utility model external structure front view;
Fig. 2 is the utility model external structure end view;
Fig. 3 is the utility model internal structure schematic diagram;
In figure: 1. iron core; 2. a winding; 3. secondary winding; 4. a sleeve pipe insulated column; 5. secondary terminal box; 6. base; 7. secondary circuit fuse apparatus; 8. high temperature plastics screw shell; 9. connecting lead wire; 10.U type binding post; 11. 2 transition terminal; 12. epoxy resin; 13. silastic materials; 14. high-voltage and current-limitation fuses; 15. silicon rubber umbrella skirt; 16. 2 secondary lids.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
As Figure 1-3; the utility model has iron core 1, winding 2, secondary winding 3, sleeve pipe insulated column 4, a secondary terminal box 5; epoxy resin and silicon rubber composite insulation is adopted to form integral structure; last integral installation is on grooved base 6; being fitted with secondary circuit fuse apparatus 7 in described secondary terminal box 5, using as preventing secondary loop short circuit error protection.Described secondary circuit fuse apparatus 7 is with connecting lead wire 9 form for high temperature plastics screw shell 8, and porcelain cartridge fuse is equipped with in inside, easy installation and removal.Described high temperature plastics screw shell 8 be with connecting lead wire both ends to be welded with U-shaped binding post 10, cooperation screw fastener and interior two the secondary transition terminal 11 of secondary terminal box 5 fixedly mount, two secondary lids 16 are adopted to encapsulate, sealing is tight reliable, ensures that rainwater can not leak into inside and cause secondary terminals corrosion problem.Described instrument transformer body is the integral structure of epoxy resin 12 and silastic material 13 compound inslation, and product design insulation margin is large, insulate reliable and stable under being applicable to the adverse circumstances such as outdoor operation sleet; No. one time sleeve pipe insulated column 4 inside envelope is equipped with a high-voltage and current-limitation fuse 14, and effectively insulate under playing protection winding and fault buffer action; Body is provided with silicon rubber umbrella skirt 15, effectively can strengthen instrument transformer surface creepage distance, increases insulation level, ensures to there will not be pollution flashover voltage.
The utility model secondary winding 3 is contained on iron core 1 post with winding 2 is concentric around an insulation framework upper rear set, be fixed in casting mold after insulation and buffering wrapping, adjust apart from rear epoxide resin vacuum cast cured explosive and silicon rubber composite insulation integral structure, last integral installation is on grooved base 6.Being fitted with secondary circuit fuse apparatus 7 in secondary terminal box 5, using as preventing secondary loop short circuit error protection.Secondary circuit fuse apparatus 7 is with connecting lead wire 9 form for high temperature plastics screw shell 8, and porcelain cartridge fuse is equipped with in inside, easy installation and removal.High temperature plastics screw shell 8 be with connecting lead wire both ends to be welded with U-shaped binding post 10, cooperation screw fastener and interior two the secondary transition terminal 11 of secondary terminal box 5 fixedly mount, two secondary lids 16 are adopted to encapsulate, sealing is tight reliable, ensures that rainwater can not leak into inside and cause secondary terminals corrosion problem.Instrument transformer body is the integral structure of epoxy resin 12 and silastic material 13 compound inslation, and product design insulation margin is large, insulate reliable and stable under being applicable to the adverse circumstances such as outdoor operation sleet; No. one time sleeve pipe insulated column 4 inside envelope is equipped with a high-voltage and current-limitation fuse 14, and effectively insulate under playing protection winding and fault buffer action; Body is provided with silicon rubber umbrella skirt 15, effectively can strengthen instrument transformer surface creepage distance, increases insulation level, ensures to there will not be pollution flashover voltage.
During assembling, load in a sleeve pipe insulated column 4 of instrument transformer by a high-voltage and current-limitation fuse 14, then carry out envelope and put, integral installation is on grooved base 6.The secondary circuit fuse apparatus 7 U-shaped binding post 10 of connecting lead wire, cooperation screw fastener and interior two the secondary transition terminal 11 of secondary terminal box 5 fixedly mount, and finally adopt two secondary lids 16 to encapsulate, assembly work completes.
The utility model is completely according to a kind of new product of national standard design, adopts and rolls iron core, utilize electromagnetic conversion principle, makes secondary voltage can the situation of change of reflected measurement primary voltage exactly, is transferred to secondary measurement and control device.
The utility model be epoxy resin and silicon rubber composite insulation two sub-band fuse defencive functions, easy for installation, insulate stable, antifouling work, volume are little, compact conformation; various system for distribution network of power automation on-pole switch can be widely used in, use as operating power.
Claims (7)
1. a band secondary circuit fuse outdoor voltage transformer, iron core (1), winding (2), secondary winding (3), sleeve pipe insulated column (4), a secondary terminal box (5) form integral structure by epoxy resin and silicon rubber composite insulation, described integral structure integral installation is on grooved base (6), it is characterized in that, in described secondary terminal box (5), be fitted with secondary circuit fuse apparatus (7).
2. band secondary circuit fuse outdoor voltage transformer according to claim 1, is characterized in that, described secondary circuit fuse apparatus (7) is high temperature plastics screw shell (8) band connecting lead wire (9) form.
3. band secondary circuit fuse outdoor voltage transformer according to claim 2, is characterized in that, two welding edges of described connecting lead wire (9) have U-shaped binding post (10).
4. band secondary circuit fuse outdoor voltage transformer according to claim 3, it is characterized in that, described secondary circuit fuse apparatus (7) adopts U-shaped binding post (10) and screw fastener to be fixedly connected with two secondary transition terminal (11) in secondary terminal box (5).
5. band secondary circuit fuse outdoor voltage transformer according to claim 1, is characterized in that, the outermost layer of described integral structure is silastic material (13), and secondary skin is epoxy resin (12).
6. band secondary circuit fuse outdoor voltage transformer according to claim 1, it is characterized in that, described integral structure outer surface is provided with silicon rubber umbrella skirt (15).
7. band secondary circuit fuse outdoor voltage transformer according to claim 1, is characterized in that, a described sleeve pipe insulated column (4) inside envelope is equipped with a high-voltage and current-limitation fuse (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520770138.XU CN204991425U (en) | 2015-09-30 | 2015-09-30 | Take outdoor voltage transformer of secondary circuit fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520770138.XU CN204991425U (en) | 2015-09-30 | 2015-09-30 | Take outdoor voltage transformer of secondary circuit fuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204991425U true CN204991425U (en) | 2016-01-20 |
Family
ID=55125767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520770138.XU Expired - Fee Related CN204991425U (en) | 2015-09-30 | 2015-09-30 | Take outdoor voltage transformer of secondary circuit fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204991425U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110836994A (en) * | 2018-08-15 | 2020-02-25 | 大连北方互感器集团有限公司 | All-insulation type capacitor voltage transformer |
-
2015
- 2015-09-30 CN CN201520770138.XU patent/CN204991425U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110836994A (en) * | 2018-08-15 | 2020-02-25 | 大连北方互感器集团有限公司 | All-insulation type capacitor voltage transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 |