CN203056570U - Lightning protection device of photovoltaic inverter - Google Patents
Lightning protection device of photovoltaic inverter Download PDFInfo
- Publication number
- CN203056570U CN203056570U CN 201220709182 CN201220709182U CN203056570U CN 203056570 U CN203056570 U CN 203056570U CN 201220709182 CN201220709182 CN 201220709182 CN 201220709182 U CN201220709182 U CN 201220709182U CN 203056570 U CN203056570 U CN 203056570U
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Abstract
The utility model, which belongs to the photovoltaic inversion technology field, more particularly discloses a lightning protection device of a photovoltaic inverter. The lightning protection device comprises a lightning rod, an inverter box body and a ground wire. With utilization of the lightning protection device, a problem of secure operation of some solar photovoltaic power generation systems in an unattended and unmaintained state for a long time in the remote area can be solved, thereby saving lots of manpower, material resources and maintenance cost.
Description
Technical field
The utility model belongs to photovoltaic inversion transformation technique field, is specifically related to a kind of photovoltaic DC-to-AC converter lightning protection device.
Background technology
It is found that the earth that continues to increase that consumes along with development of resources now, can to develop resource more and more deficienter, and people more and more pay attention to the exploitation of new forms of energy.Solar photovoltaic generation system obtains the attention of more and more national with its renewable, free of contamination characteristics, it is predicted, solar energy power generating can occupy the important seat that world energy sources is consumed in future, not only will substitute the part conventional energy resource, and will become the main body of world energy supplies.
China also develops towards the direction of research and development solar photovoltaic generation system at present, solar photovoltaic generation system is mainly used in the outlying district at home, the long-term unattended operation in many power stations and maintenance, and solar photovoltaic generation system will have higher security context to guarantee its safe operation.But the lightening activity of China is more frequent, and wherein summer, activity was the most active, and this just need take the necessary security measure to guarantee the safe operation of solar photovoltaic generation system.
Based on the problems referred to above, the utility model provides a kind of photovoltaic DC-to-AC converter lightning protection device.
The utility model content
The utility model purpose: with not enough, the purpose of this utility model is that a kind of photovoltaic DC-to-AC converter lightning protection device will be provided at problems of the prior art, is used for guaranteeing the safe operation of solar photovoltaic generation system.
Technical scheme: a kind of photovoltaic DC-to-AC converter lightning protection device: comprise lightning rod, inverter casing, earth connection, first through hole, second through hole, third through-hole, fourth hole, let out electricity layer and insulation casing.
Described first through hole, second through hole are separately positioned on inverter casing upper and lower;
Described third through-hole, fourth hole are separately positioned on insulation casing upper and lower;
Described lightning rod is connected with the insulation casing by third through-hole, and earth connection is connected with lightning rod and passes first through hole, second through hole, fourth hole and draw, and imbeds and lets out electric layer;
Described first through hole, second hole, third through-hole, fourth hole diameter all is 5～15cm;
The described electricity layer of letting out is positioned at insulation casing below, and long 0.5M～1M, height are 0.8M～1.5M;
The described electricity layer of letting out is selected the lower black earth of resistivity, dauk for use, or the composition of being formed by salt, charcoal, ashes, nitrogenous fertilizer slag, carbide slag, lime, the percentage by weight of said composition is salt 10%, charcoal 30%, ashes 10%, nitrogenous fertilizer slag 8%, carbide slag 30%, lime 12%;
Described inverter casing is positioned at the insulation box house.
Beneficial effect: compared with prior art, the photovoltaic DC-to-AC converter lightning protection device of the utility model by increasing, solved in the outlying district, the solar photovoltaic generation system of many long-term unattended operations and maintenance influences the problem of its safe operation because of lightening activity, has saved simultaneously because of lightening activity and has produced human and material resources and the maintenance cost that device damage is paid.
Description of drawings
Fig. 1 is the use state diagram of the utility model embodiment;
Wherein, sequence number is as follows among the figure: 1-lightning rod, 2-inverter casing, 3-earth connection, 4-through hole, 5-through hole, 6-let out electricity layer, 7-insulation casing, 8-third through-hole, 9-fourth hole.
Embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the utility model.
As shown in Figure 1, the photovoltaic DC-to-AC converter lightning protection device comprises lightning rod 1, inverter casing 2, earth connection 3, first through hole 4, second through hole 5, third through-hole 8, fourth hole 9, lets out electricity layer 6 and insulation casing 7; First through hole 4, second through hole 5 are separately positioned on inverter casing 2 upper and lowers, and third through-hole 8, fourth hole 9 are separately positioned on insulation casing 7 upper and lowers; First through hole 4, second hole 5, third through-hole 8, fourth hole 9 diameters all is 8cm; Let out electricity layer 6 and be positioned at insulation casing 7 belows, long 0.8M, height are 1M; Described lightning rod 1 is connected with insulation casing 7 usefulness nuts by third through-hole 8; Earth connection 3 is connected with lightning rod 1 by first through hole 4, second through hole 5, fourth hole 9; Earth connection 3 is drawn insulation casing 7 and is imbedded and let out electricity layer 6; Lightning rod 1 receives the electric current that the thunderstorm activity discharges, and by earth connection 3 electric current that receives is guided to and lets out 6 release of electricity layer; Inverter casing 2 is positioned at insulation casing 7 inside.
Let out the compound that the electricity layer preferably is made up of salt, charcoal, ashes, nitrogenous fertilizer slag, carbide slag, lime,
The percentage by weight of this compound is salt 10%, charcoal 30%, ashes 10%, nitrogenous fertilizer slag 8%, carbide slag 30%, lime 12%.
The above only is preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvement, these improvement also should be considered as protection range of the present utility model.
Claims (3)
1. photovoltaic DC-to-AC converter lightning protection device is characterized in that: comprise lightning rod (1), inverter casing (2), earth connection (3), first through hole (4), second through hole (5), let out electricity layer (6), insulation casing (7), third through-hole (8) and fourth hole (9); Described first through hole (4) is positioned at inverter casing (2) top, and second through hole (5) is positioned at inverter casing (2) bottom; Described third through-hole (8) is positioned at insulation casing (7) top, and fourth hole (9) is positioned at insulation casing (7) bottom; Described lightning rod (1) passes third through-hole (8) and is connected with nut with inverter casing (2); Described earth connection (3) connection lightning rod (1) passes first through hole (4), second through hole (5) and fourth hole (9) and is drawn out to outside the insulation casing (7); Described earth connection (3) is imbedded and is let out in the electricity layer (6); Described inverter casing (2) is positioned at insulation casing (7) inside.
2. photovoltaic DC-to-AC converter lightning protection device according to claim 1, it is characterized in that: the diameter of described first through hole (4), second through hole (5), third through-hole (8) and fourth hole (9) is 5～15cm.
3. photovoltaic DC-to-AC converter lightning protection device according to claim 1 is characterized in that: the described electricity layer (6) of letting out is positioned at insulation casing (7) below, and long 0.5M～1M, height are 0.8M～1.5M.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220709182 CN203056570U (en) | 2012-12-20 | 2012-12-20 | Lightning protection device of photovoltaic inverter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220709182 CN203056570U (en) | 2012-12-20 | 2012-12-20 | Lightning protection device of photovoltaic inverter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203056570U true CN203056570U (en) | 2013-07-10 |
Family
ID=48739490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220709182 Expired - Fee Related CN203056570U (en) | 2012-12-20 | 2012-12-20 | Lightning protection device of photovoltaic inverter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203056570U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117691848A (en) * | 2024-02-02 | 2024-03-12 | 深圳市耐斯特能源科技有限公司 | High-power photovoltaic energy storage inverter with instantaneous strong electric shock resistance function |
-
2012
- 2012-12-20 CN CN 201220709182 patent/CN203056570U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117691848A (en) * | 2024-02-02 | 2024-03-12 | 深圳市耐斯特能源科技有限公司 | High-power photovoltaic energy storage inverter with instantaneous strong electric shock resistance function |
| CN117691848B (en) * | 2024-02-02 | 2024-04-26 | 深圳市耐斯特能源科技有限公司 | High-power photovoltaic energy storage inverter with instantaneous strong electric shock resistance function |
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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 |
Granted publication date: 20130710 Termination date: 20151220 |
|
| EXPY | Termination of patent right or utility model |