CN203596264U - Lightning-protection low-loss voltage-regulating distribution transformer - Google Patents
Lightning-protection low-loss voltage-regulating distribution transformer Download PDFInfo
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- CN203596264U CN203596264U CN201320730247.XU CN201320730247U CN203596264U CN 203596264 U CN203596264 U CN 203596264U CN 201320730247 U CN201320730247 U CN 201320730247U CN 203596264 U CN203596264 U CN 203596264U
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Abstract
The utility model discloses a lightning-protection low-loss voltage-regulating distribution transformer, and relates to the field of distribution transformers. The lightning-protection low-loss voltage-regulating distribution transformer comprises a transformer body, an outer shell and a binding post. The transformer body is arranged inside the outer shell, the binding post is arranged on the outer shell, the binding post is provided with a lightning-protection box, U-type contacts are arranged on the upper face and the lower face of the inner portion of the lightning-protection box, an insulation tube is arranged in the lightning-protection box, a winding coil is arranged in the insulation tube, the insulating tube is filled with inert gas, the length of the winding coil is 10-15cm, a leading wire lug is arranged above the winding coil, a connecting wire lug is arranged below the winding coil, through holes corresponding to the contacts are formed in the leading wire lug and the connecting wire lug, and a spring is arranged between the connecting wire lug and the insulation tube. The lightning-protection low-loss voltage-regulating distribution transformer is simple in structure, reasonable in design, wide in application and low in cost, the lightning-protection box can be matched with a lighting arrester to protect the transformer when thunder and lightning are generated, new structural design is adopted, the core element is convenient to replace, and the whole circuit is not influenced.
Description
Technical field
The utility model is a kind of lightning protection low-loss voltage regulating distribution transformer, relates to distribution transformer field.
Technical background
Along with the mankind's progress, the development of society, the use of electricity is more and more extensive, people's life also more and more be unable to do without electricity, maintain the stable of electric power system, also the large problem that has become this society to pay close attention to, get rid of human factor, some natural phenomenas, as thunder and lightning, destruction to electric power system also can not be ignored, voltage device is a very important part in electric power system, every year because the impact of thunder and lightning makes the not within minority of transformer infringement, although lightning arrester is all installed in present transformer circuit, because electric current when thunder and lightning produces and voltage are all special high, even so there is lightning arrester, still have every year a lot of transformers to burn, damage because of thunder and lightning for fear of transformer, design secondary protection device so necessary, if application number is a kind of lightning protection transformer as described in 94245855.9, on this body structure of transformer, increase by one group of lightning protection device, but this lightning protection device only belongs to one-level lightning protection device, also there is defect in lightning protection, present transformer is all provided with lightning protection device when mounted, but a simple one-level lightning protection device is difficult to guarantee the safe enough of transformation, and present lightning protection device needs power operation in the time changing core parts, have a power failure and have a strong impact on people's productive life, so be unfavorable for extensive popularization.
Utility model content
The purpose of this utility model is to provide a kind of lightning protection low-loss voltage regulating distribution transformer, to solve the above-mentioned multinomial defect causing in prior art.
A kind of lightning protection low-loss voltage regulating distribution transformer, comprise transformer body, shell and binding post, described transformer body is located at enclosure, described shell is provided with binding post, described binding post is provided with lightning-arrest box, the top and bottom, inside of described lightning-arrest box are equipped with U-shaped contact, in described lightning-arrest box, be provided with insulated tube, in described insulated tube, be provided with winding coil, in described insulated tube, be connected with inert gas, the length of described winding coil is 10cm-15cm, the top of described winding coil is provided with lead-in wire ear, the below of described winding coil is provided with connecting ear, described connecting ear is equipped with the through hole corresponding with described contact with on lead-in wire ear, between described connecting ear and insulated tube, be provided with spring.
Preferably, described lead-in wire ear and connecting ear form by the material of copper alloy.
Preferably, on described lead-in wire ear, be also provided with insulation draw ring.
Preferably, described winding coil, described winding coil, by forming with the copper conductor coiling of transformer Inside coil same model, and the internal diameter of coiling is 1cm-3cm.
Preferably, described contact is provided with the switch of moving.
Preferably, described transformer case top is provided with condensation-preventing device.
The beneficial effects of the utility model, simple in structure, reasonable in design, be widely used, with low cost, in the time having thunder and lightning to produce, can match and protect transformer with lightning arrester, adopt new structural design to change core parts more convenient, and do not affect whole circuit, described lightning-arrest box inside is provided with U-shaped contact, convenience is connected with described lead-in wire ear and connecting ear, be provided with insulated tube, and in insulated tube, be provided with winding coil and pass into inert gas, it is the core of lightning-arrest box, cross when strong and will burn winding coil when the electric current in circuit, damage insulated tube, circuit is disconnected, thereby protect transformer, inert gas is stable when maintaining insulated tube normality, fail safe when winding coil burns, be provided with lead-in wire ear, facilitate wiring with connecting ear, connecting ear and lead-in wire ear are provided with through hole conveniently and contact, between described connecting ear and insulated tube, be provided with spring, when through hole during with corresponding contact without additional any device, only depend on spring just can guarantee the firm of contact, lead-in wire ear and the connecting ear of copper alloy material, anti-corrosion electric conducting might as well, on described lead-in wire ear, be also provided with insulation draw ring, can the in the situation that of not power-off, use insulating tool to complete more changes jobs, select according to demand the winding coil of reasonable model can better coordinate transformer work, the winding coil of suitable internal diameter can fuse timely, thereby protection transformer, contact is provided with U-shaped switch, guarantee the stability of contact, simultaneously also for convenience detach, can absorb installing cables, and detect that when maintenance is opened transformer and the moisture that enters.
Accompanying drawing explanation
The structural representation of a kind of lightning protection low-loss of Fig. 1 the utility model voltage regulating distribution transformer.
The structural representation of the lightning-arrest box of a kind of lightning protection low-loss of Fig. 2 the utility model voltage regulating distribution transformer.
Wherein 1-transformer body, 2-shell, 3-binding post, the 4-box of taking shelter from the thunder, 401-contact, 402-insulated tube, 403-winding coil, 404-inert gas, the 405-ear that goes between, 406-connecting ear, 407-through hole, 408-spring, the 409-draw ring that insulate, the 410-switch of moving, 5-condensation-preventing device.
Specific embodiments
A kind of lightning protection low-loss voltage regulating distribution transformer, comprise transformer body 1, shell 2 and binding post 3, described transformer body 1 is located at shell 2 inside, described shell 2 is provided with three binding posts 3, described binding post 3 is provided with the wiring requirement that lightning-arrest 4, three binding posts 3 of box mate three lightning-arrest boxes 4 and meet three-phase electricity.The top and bottom, inside of described lightning-arrest box 4 are equipped with U-shaped contact 401, be provided with U-shaped contact 401 convenient with being connected of described lead-in wire ear 405 and connecting ear 406, in described lightning-arrest box 4, be provided with insulated tube 402, in described insulated tube 402, be provided with winding coil 403, described insulated tube 402 is connected with inert gas 404, the length of described winding coil 403 is 10cm-15cm, be connected with inert gas 404 and the insulated tube 402 that is provided with winding coil 403, it is the core of lightning-arrest box, cross when the electric current in circuit the winding coil 403 that will fuse when strong and damage insulated tube 402, thereby protect transformer, the long 10cm-15cm of winding coil 403 is appropriate length, inert gas 404 is stable when maintaining insulated tube 402 normality, fail safe when winding coil 403 burns, the top of described winding coil 403 is provided with lead-in wire ear 405, the below of described winding coil 403 is provided with connecting ear 406, above termination is all in order to facilitate wiring, described connecting ear 406 is equipped with the through hole 407 corresponding with described contact 401 with on lead-in wire ear 405, through hole 407 is conveniently to contact with contact 401, between described connecting ear 406 and insulated tube 402, be provided with spring 408, in the time that through hole 407 contacts with corresponding contact 401 without additional any device, only depend on spring 408 just can guarantee the firm of contact, simplify the process of installing, facilitate operation.
Described lead-in wire ear 405 forms by the material of copper alloy with connecting ear 406, lead-in wire ear 405 and the connecting ear 406 of copper alloy material, and both corrosion-resistant also conductivity might as well.
It should be noted that on described lead-in wire ear 405 and be also provided with insulation draw ring 409, can the in the situation that of not power-off, use insulating tool to hold lead-in wire ear 405, allow the through hole 407 on lead-in wire ear 405 contact with U-shaped contact 401, complete more and change jobs.
In addition; described winding coil 403; described winding coil 403; by forming with the copper conductor coiling of transformer Inside coil same model; and the internal diameter of coiling 403 is 1cm-3cm; select according to demand the winding coil 403 of reasonable model can better coordinate transformer work, the winding coil 403 of suitable internal diameter can fuse timely, thus protection transformer.
Described contact is provided with the switch 410 of moving in the present embodiment, U-shaped contact 401 is provided with the switch of moving, guarantee the stability of contact 401, simultaneously also for convenience detach, described transformer case top is provided with condensation-preventing device, can absorb installing cables, and detect that when maintenance is opened transformer and the moisture that enters.
Based on a kind of lightning protection low-loss voltage regulating distribution transformer described above, simple in structure, reasonable in design, be widely used, with low cost, in the time having thunder and lightning to produce, can match and protect transformer with lightning arrester, adopt new structural design to change core parts more convenient, and do not affect whole circuit, described lightning-arrest box inside is provided with U-shaped contact, convenience is connected with described lead-in wire ear and connecting ear, be provided with insulated tube, and in insulated tube, be provided with winding coil and pass into inert gas, it is the core of lightning-arrest box, cross when strong and will burn winding coil when the electric current in circuit, damage insulated tube, circuit is disconnected, thereby protect transformer, inert gas is stable when maintaining insulated tube normality, fail safe when winding coil burns, be provided with lead-in wire ear, facilitate wiring with connecting ear, connecting ear and lead-in wire ear are provided with through hole conveniently and contact, between described connecting ear and insulated tube, be provided with spring, when through hole during with corresponding contact without additional any device, only depend on spring just can guarantee the firm of contact.
As known by the technical knowledge, the utility model can be realized by other the embodiment that does not depart from its Spirit Essence or essential feature.Therefore, above-mentioned disclosed embodiment, with regard to each side, all just illustrates, and is not only.Allly within the scope of the utility model or in the change being equal in scope of the present utility model, be all included in the utility model.
Claims (6)
1. a lightning protection low-loss voltage regulating distribution transformer, comprise transformer body, shell and binding post, described transformer body is located at enclosure, described shell is provided with binding post, it is characterized in that: described binding post is provided with lightning-arrest box, the top and bottom, inside of described lightning-arrest box are equipped with U-shaped contact, in described lightning-arrest box, be provided with insulated tube, in described insulated tube, be provided with winding coil, in described insulated tube, be connected with inert gas, the length of described winding coil is 10cm-15cm, the top of described winding coil is provided with lead-in wire ear, the below of described winding coil is provided with connecting ear, described connecting ear is equipped with the through hole corresponding with described contact with on lead-in wire ear, between described connecting ear and insulated tube, be provided with spring.
2. a kind of lightning protection low-loss voltage regulating distribution transformer according to claim 1, is characterized in that: described lead-in wire ear and connecting ear form by the material of copper alloy.
3. a kind of lightning protection low-loss voltage regulating distribution transformer according to claim 1, is characterized in that: on described lead-in wire ear, be also provided with insulation draw ring.
4. a kind of lightning protection low-loss voltage regulating distribution transformer according to claim 1, is characterized in that: described winding coil is by forming with the copper conductor coiling of transformer Inside coil same model, and the internal diameter of coiling is 1cm-3cm.
5. a kind of lightning protection low-loss voltage regulating distribution transformer according to claim 1, is characterized in that: described contact is provided with the switch of moving.
6. a kind of lightning protection low-loss voltage regulating distribution transformer according to claim 1, is characterized in that: described transformer case top is provided with condensation-preventing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320730247.XU CN203596264U (en) | 2013-11-19 | 2013-11-19 | Lightning-protection low-loss voltage-regulating distribution transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320730247.XU CN203596264U (en) | 2013-11-19 | 2013-11-19 | Lightning-protection low-loss voltage-regulating distribution transformer |
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| Publication Number | Publication Date |
|---|---|
| CN203596264U true CN203596264U (en) | 2014-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320730247.XU Expired - Fee Related CN203596264U (en) | 2013-11-19 | 2013-11-19 | Lightning-protection low-loss voltage-regulating distribution transformer |
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| CN (1) | CN203596264U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105632719A (en) * | 2016-03-28 | 2016-06-01 | 佛山市中研非晶科技股份有限公司 | High-voltage lead assembly structure for amorphous alloy oil-immersed power distribution transformer and fabrication method of assembly structure |
| CN107622868A (en) * | 2016-07-13 | 2018-01-23 | 湖北蕊源电子股份有限公司 | A kind of inductor of small volume simple in construction |
-
2013
- 2013-11-19 CN CN201320730247.XU patent/CN203596264U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105632719A (en) * | 2016-03-28 | 2016-06-01 | 佛山市中研非晶科技股份有限公司 | High-voltage lead assembly structure for amorphous alloy oil-immersed power distribution transformer and fabrication method of assembly structure |
| CN107622868A (en) * | 2016-07-13 | 2018-01-23 | 湖北蕊源电子股份有限公司 | A kind of inductor of small volume simple in construction |
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| 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 |
Granted publication date: 20140514 Termination date: 20151119 |
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| EXPY | Termination of patent right or utility model |