CN204068236U - A kind of photovoltaic DC Surge Protector of tape insulation protective plate - Google Patents
A kind of photovoltaic DC Surge Protector of tape insulation protective plate Download PDFInfo
- Publication number
- CN204068236U CN204068236U CN201420454033.9U CN201420454033U CN204068236U CN 204068236 U CN204068236 U CN 204068236U CN 201420454033 U CN201420454033 U CN 201420454033U CN 204068236 U CN204068236 U CN 204068236U
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- Prior art keywords
- pedestal
- protective plate
- groove
- photovoltaic
- surge protector
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
A kind of photovoltaic DC Surge Protector of tape insulation protective plate; comprise integral type pedestal, lightning-protection module; pedestal covers and has draw-in groove; lightning-protection module is arranged in the draw-in groove of pedestal; pedestal is also provided with Wiring port; pedestal between Wiring port being provided with longitudinal passing-through groove, having the insulating protective plate for isolating in groove interpolation.Electric clearance between Surge Protector Wiring port and creepage distance are increased, thus effectively avoids between each Wiring port, the potential safety hazard such as arcing, flashover occurring when lightning surge and switching overvoltage.The utility model provides a kind of photovoltaic DC Surge Protector of tape insulation protective plate, photovoltaic apparatus effectively can be protected from the infringement of lightning surge and switching overvoltage, belong to lightning protection electrical device manufacturing field.
Description
Technical field
The utility model relates to the protective device of lightning protection electrical equipment, is specifically related to a kind of device adopting insulating protective plate to protect photovoltaic DC Surge Protector; Belong to lightning protection electrical device manufacturing field.
Background technology
Because photovoltaic apparatus is exposed to open air; when thundering; power network fluctuation; the reasons such as the incorrect link in the switch of equipment and use procedure can produce various instantaneous overvoltage and may produce serious damage to photovoltaic apparatus; and the electronic component of inverter is very responsive again; for guaranteeing its useful life, effectively anti-lightning strike and surge protection is absolutely necessary.Existing anti-lightning strike and surge protection method installs photovoltaic DC Surge Protector in photovoltaic combiner box and DC power distribution cabinet, and protection photovoltaic apparatus is from the infringement of lightning surge and switching overvoltage.In the prior art, photovoltaic DC Surge Protector still follows the design of low pressure mains Surge Protector, and difference is only the difference of pressure sensitive voltage parameter.As everyone knows, photovoltaic generating system operating voltage is higher, usually reaches direct current 1000V, and therefore photovoltaic Surge Protector needs larger electric clearance and creepage distance under should being different from the Surge Protector of common mains system, particularly harsh and unforgiving environments.The deficiencies in the prior art part is, existing Surge Protector Wiring port close together, when be applied in direct current 1000V and more high voltage time, particularly under harsh and unforgiving environments easily there is the potential safety hazard such as arcing, flashover in Wiring port place.Therefore be necessary that working out a kind of device of the potential safety hazards such as described arcing, flashover that can prevent solves this problem.
Find that publication number is 201110300025.X by domestic patent retrieval, the patent of invention that name is called " strip for surge protector " and the utility model have similarity.
Patent publication No. is 201110300025.X; name is called that the patent of invention of " strip for surge protector " discloses a kind of strip for surge protector; comprise circuit leg one, circuit leg two, weld tabs and connection bracket; described weld tabs is connected with described circuit leg two; described circuit leg one and circuit leg two are fixedly connected in described connection bracket respectively, on described weld tabs, be wherein provided with the boss be connected with Surge Protector chip.Weld tabs in this strip for surge protector is connected closely with chip, makes Surge Protector stable performance; And broken line between circuit leg and connection bracket or roll over groove and make connection bracket pass through bending simply can to remove, easy to use, without the need to extras.
The utility model and patent publication No. are that the main difference of the invention of 201110300025.X is that both structures are completely different with method: what patent publication No. was that the invention of 201110300025.X adopts is can the connection bracket of bending, and the utility model employing is pluggable insulating protective plate, longitudinal passing-through groove is provided with between the Wiring port of pedestal upper cover, insulating protective plate one end has flange corresponding with longitudinal passing-through groove, and pedestal lower cover can carry out spacing to insulating protective plate.
Utility model content
The technical problems to be solved in the utility model is:
1. increase the electric clearance between photovoltaic DC Surge Protector Wiring port and creepage distance, eliminate safe hidden trouble;
2. allow apparatus structure simple, cost is low; Easy accessibility, elegant in appearance.
For the problems referred to above; the technical scheme that the utility model proposes is: a kind of photovoltaic DC Surge Protector of tape insulation protective plate; comprise integral type pedestal, lightning-protection module; pedestal covers and has draw-in groove; lightning-protection module is arranged in the draw-in groove of pedestal; pedestal being also provided with Wiring port, the pedestal between Wiring port is provided with longitudinal passing-through groove, having the insulating protective plate for isolating in groove interpolation.
Further, described pedestal is combined to form by pedestal upper cover and lower cover, on the surface of described groove between two Wiring ports that pedestal upper cover plate is adjacent, between two often adjacent Wiring ports, has longitudinal passing-through groove from top to bottom.
Further, described longitudinal passing-through groove is T-shape or dove-tail form groove, and insulating protective plate is stuck in longitudinal passing-through groove, is demountable structure; That is insulating protective plate can be arranged in longitudinal passing-through groove and also can take out in the passing-through groove of longitudinal direction, can carry out installation and removal very easily to insulating protective plate.
Further; described insulating protective plate is the sheet material that laminar insulating material makes; there is the flange matched with the passing-through groove of longitudinal direction on the pedestal of photovoltaic DC Surge Protector insulating protective plate one end; the flange of insulating protective plate is installed in groove above the passing-through groove of longitudinal direction, until bottom be positioned at pedestal Wiring port below touch pedestal lower cover till.
Further, the part of the outstanding pedestal of described insulating protective plate be projecting height at 10-20mm, lower-upper length is the projection of 50-60mm, and one piece, the two sides of each pedestal Wiring port; Electric clearance between the Wiring port of projection when photovoltaic DC 1000V reaches more than 15mm, and creepage distance is at more than 20mm.
Further, the front end of described insulating protective plate and top are arc-shaped transition, to reduce the sudden change of electric clearance and creepage distance, prevent the damage of insulating trip.
Further, described pedestal lower cover pushes up mutually with the flange of insulating protective plate, can carry out spacing to insulating protective plate, prevent insulating protective plate from skidding off from lower end.
The utility model has the advantage of:
1. installing insulating protective plate between Wiring port, increases the electric clearance between Wiring port and creepage distance, thus effectively avoids between each Wiring port, arcing, flashover occurring when lightning surge and switching overvoltage, eliminates potential safety hazard;
2. installing insulating protective plate between Wiring port, makes Surge Protector adaptive capacity to environment stronger, is applicable to being applied to 1000V photo-voltaic power supply surge protection, also can be applicable to the occasion that other operating supply voltage is higher, expand the range of application of product;
3. the flange of insulating protective plate adopts the mode of interference fits to be arranged in longitudinal passing-through groove, and compact conformation is specious, can carry out installation and removal very easily to insulating protective plate, can determine whether install according to specific environment needs and supply voltage height;
4. pedestal lower cover pushes up mutually with the flange of insulating protective plate, can prevent insulating protective plate from skidding off from lower end;
5. structure is simple, and cost is low, is applicable to batch production.
Accompanying drawing explanation
Fig. 1 is perspective view of the present utility model;
Fig. 2 is that insulating protective plate of the present utility model coordinates schematic diagram with the longitudinal passing-through groove of pedestal;
Fig. 3 is of the present utility model point of de-assembly schematic diagram;
In figure: 1 integral type pedestal, 11 pedestal upper covers, 111 longitudinal passing-through groove, 113 Wiring ports, 12 pedestal lower covers, 121 button bits, 2 lightning-protection modules, 3 insulating protective plates, 31 flanges.
Embodiment
Below in conjunction with embodiment and accompanying drawing to being further described.
Embodiment one
As shown in Figure 1, the utility model is a kind of photovoltaic DC Surge Protector of tape insulation protective plate, is made up of integral type pedestal 1, lightning-protection module 2, insulating protective plate 3; Integral type pedestal 1 comprises: pedestal upper cover 11 and pedestal lower cover 12; Pedestal upper cover 11 is provided with longitudinal passing-through groove 111; Pedestal upper cover 11 and pedestal lower cover 12 are by being distributed in button bit 121 compact siro spinning technology of surrounding.As shown in Figures 2 and 3, there is flange 31 insulating protective plate 3 one end, and pedestal upper cover 11 is distributed with Wiring port 113, is distributed with longitudinal passing-through groove 111 between Wiring port 113; Be interference fits between the flange 31 of insulating protective plate 3 and longitudinal passing-through groove 111, make longitudinal passing-through groove 111 can block insulating protective plate 3, insulating protective plate 3 can be allowed again to slide up and down in longitudinal passing-through groove 111, conveniently installation and removal are carried out to insulating protective plate 3, and by the flange 31 phase top of pedestal lower cover 12 with insulating protective plate 3, carry out spacing to insulating protective plate 3, prevent insulating protective plate 3 from skidding off.
Because photovoltaic generating system operating voltage is higher, usually direct current 1000V is reached, and when thundering, power network fluctuation, the reasons such as the incorrect link in the switch of equipment and use procedure can produce various instantaneous overvoltage and may produce serious damage to photovoltaic apparatus, in order to protect the safety of photovoltaic apparatus, insulating protective plate 3 is contained in the longitudinal passing-through groove 111 between Surge Protector Wiring port 113, increase the electric clearance between Surge Protector Wiring port 113 and creepage distance, avoid between each Wiring port 113, arcing occurring when lightning surge and switching overvoltage, the potential safety hazards such as flashover.
Embodiment two
The basic structure of embodiment two is the same with embodiment one, the structure just pedestal covering groove is different, what adopted is the groove of dove-tail form, and insulating protective plate have employed with pedestal on cover the coattail end that dove-tail form groove matches, the coattail end on insulating protective plate is inserted on pedestal and covers in dove-tail form groove; In addition, the front end of described insulating protective plate and top are arc-shaped transition, to reduce the sudden change of electric clearance and creepage distance, prevent the damage of insulating trip.
The part of the outstanding pedestal of described insulating protective plate be projecting height at 10-20mm, lower-upper length is the projection of 50-60mm, and one piece, the two sides of each pedestal Wiring port; The electric clearance that projection need meet between the Wiring port when photovoltaic DC 1000V reaches more than 15mm, and creepage distance is at more than 20mm.
The utility model have employed the power source surge protector foundation design of integral type; make Surge Protector compact conformation specious; insulating protective plate 3 can slide up and down in the passing-through groove 111 of longitudinal direction; conveniently installation and removal are carried out to insulating protective plate 3, can determine whether install according to specific environment needs and supply voltage height.
Can be found out by above-described embodiment; the utility model is a kind of photovoltaic DC Surge Protector of tape insulation protective plate; comprise integral type pedestal, lightning-protection module; pedestal covers and has draw-in groove; lightning-protection module is arranged in the draw-in groove of pedestal; pedestal being also provided with Wiring port, the pedestal between Wiring port is provided with longitudinal passing-through groove, having the insulating protective plate for isolating in groove interpolation.
Further, described pedestal is combined to form by pedestal upper cover and lower cover, on the surface of described groove between two Wiring ports that pedestal upper cover plate is adjacent, between two often adjacent Wiring ports, has longitudinal passing-through groove from top to bottom.
Further, described longitudinal passing-through groove is T-shape or dove-tail form groove, and insulating protective plate is stuck in longitudinal passing-through groove, is demountable structure; That is insulating protective plate can be arranged in longitudinal passing-through groove and also can take out in the passing-through groove of longitudinal direction, can carry out installation and removal very easily to insulating protective plate.
Further; described insulating protective plate is the sheet material that laminar insulating material makes; there is the flange matched with the passing-through groove of longitudinal direction on the pedestal of photovoltaic DC Surge Protector insulating protective plate one end; the flange of insulating protective plate is installed in groove above the passing-through groove of longitudinal direction, until bottom be positioned at pedestal Wiring port below touch pedestal lower cover till.
Further, the part of the outstanding pedestal of described insulating protective plate be projecting height at 10-20mm, lower-upper length is the projection of 50-60mm, and one piece, the two sides of each pedestal Wiring port; Electric clearance between the Wiring port of projection when photovoltaic DC 1000V reaches more than 15mm, and creepage distance is at more than 20mm.
Further, the front end of described insulating protective plate and top are arc-shaped transition, to reduce the sudden change of electric clearance and creepage distance, prevent the damage of insulating trip.
Further, described pedestal lower cover pushes up mutually with the flange of insulating protective plate, can carry out spacing to insulating protective plate, prevent insulating protective plate from skidding off from lower end.
Obviously, under the prerequisite not departing from described principle of the present utility model, the some improvements and modifications made also should be considered as protection range of the present utility model.
Claims (6)
1. the photovoltaic DC Surge Protector of a tape insulation protective plate; comprise integral type pedestal, lightning-protection module; pedestal covers and has draw-in groove; lightning-protection module is arranged in the draw-in groove of pedestal; pedestal is also provided with Wiring port; it is characterized in that, the pedestal between Wiring port is provided with longitudinal passing-through groove, having the insulating protective plate for isolating in groove interpolation.
2. the photovoltaic DC Surge Protector of a kind of tape insulation protective plate as claimed in claim 1; it is characterized in that; described pedestal is combined to form by pedestal upper cover and lower cover; on the surface of described groove between two Wiring ports that pedestal upper cover plate is adjacent, between two often adjacent Wiring ports, have longitudinal passing-through groove from top to bottom.
3. the photovoltaic DC Surge Protector of a kind of tape insulation protective plate as claimed in claim 2, is characterized in that, described longitudinal passing-through groove is T-shape or dove-tail form groove, and insulating protective plate is stuck in longitudinal passing-through groove, is demountable structure.
4. the photovoltaic DC Surge Protector of a kind of tape insulation protective plate as claimed in claim 1; it is characterized in that; described insulating protective plate is the sheet material that laminar insulating material makes; there is the flange matched with the passing-through groove of longitudinal direction on the pedestal of photovoltaic DC Surge Protector insulating protective plate one end; the flange of insulating protective plate is installed in groove above the passing-through groove of longitudinal direction, until bottom be positioned at pedestal Wiring port below touch pedestal lower cover till.
5. the photovoltaic DC Surge Protector of a kind of tape insulation protective plate as claimed in claim 4; it is characterized in that; the part of the outstanding pedestal of described insulating protective plate is that projecting height is at 10-20mm; lower-upper length is the projection of 50-60mm, and one piece, the two sides of each pedestal Wiring port.
6. the photovoltaic DC Surge Protector of a kind of tape insulation protective plate as claimed in claim 5, is characterized in that, the electric clearance between the Wiring port of described projection when photovoltaic DC 1000V reaches more than 15mm, and creepage distance is at more than 20mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420454033.9U CN204068236U (en) | 2014-08-13 | 2014-08-13 | A kind of photovoltaic DC Surge Protector of tape insulation protective plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420454033.9U CN204068236U (en) | 2014-08-13 | 2014-08-13 | A kind of photovoltaic DC Surge Protector of tape insulation protective plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204068236U true CN204068236U (en) | 2014-12-31 |
Family
ID=52209683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420454033.9U Expired - Fee Related CN204068236U (en) | 2014-08-13 | 2014-08-13 | A kind of photovoltaic DC Surge Protector of tape insulation protective plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204068236U (en) |
-
2014
- 2014-08-13 CN CN201420454033.9U patent/CN204068236U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 412007 Tianyuan District, Hunan City, small and medium enterprises to promote Park, building A5 Patentee after: Hunan Pu Pu technology Limited by Share Ltd Address before: 412007 Tianyuan District, Hunan City, small and medium enterprises to promote Park, building A5 Patentee before: Hunan Zhongpu Lightning Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20190813 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |