CN203434471U - Photovoltaic lightning protection combiner box - Google Patents
Photovoltaic lightning protection combiner box Download PDFInfo
- Publication number
- CN203434471U CN203434471U CN201320185810.XU CN201320185810U CN203434471U CN 203434471 U CN203434471 U CN 203434471U CN 201320185810 U CN201320185810 U CN 201320185810U CN 203434471 U CN203434471 U CN 203434471U
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- fuse
- circuit breaker
- subregion
- negative
- copper bar
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Abstract
The utility model discloses a photovoltaic lightning protection combiner box. The photovoltaic lightning protection combiner box comprise a box body as well as a circuit breaker, a lightning protection device and a fuse assembly which are arranged inside the box body, wherein the fuse assembly is connected with the positive pole and the negative pole of the circuit breaker. The photovoltaic lightning protection combiner box is characterized in that the fuse assembly is composed of two groups of positive-pole fuse subareas and two groups of negative-pole fuse subareas; each group of positive-pole fuse subareas and each group of negative-pole fuse subareas are respectively arranged at two sides of the circuit breaker; a positive input end and a negative input end of the circuit breaker are respectively led out by copper bars and extend towards the fuse subareas at the two sides; two groups of fuse subareas at the same side are distributed at two sides of one corresponding copper bar; and output ends of each group of fuse subareas are adjacent to corresponding copper bars and are electrically connected with the copper bars through wires. According to the photovoltaic lightning protection combiner box of the utility model, structural layout is improved, such that wire connection operation can be more convenient, and wiring is more beautiful, and occupied space is reduced, and at the same time, the consumption of copper bars is decreased, and cost can be decreased.
Description
Technical field
The utility model relates to a kind of photovoltaic generating system field, is specifically related to a kind of photovoltaic lightningproof header box.
Background technology
Photovoltaic is the abbreviation of solar photovoltaic generation system, is a kind of photovoltaic effect of utilizing solar cell semi-conducting material, solar radiation can be directly converted to a kind of new power generating system of electric energy.Its common structure consists of: some, photovoltaic cell that specification is identical are connected, form photovoltaic tandem one by one, and then by several (8～32) photovoltaic tandems access in parallel header box, after confluxing in header box, by controller, DC power distribution cabinet, photovoltaic DC-to-AC converter, AC power distribution cabinet/AC distribution panel etc., thereby support the use the photovoltaic generating system of complete.
In solar photovoltaic generation system, header box has another name called photovoltaic combiner box, solar energy header box, photovoltaic lightningproof header box etc., for improving the dependable with function of system, conventionally by photovoltaic special DC lightning-protection module, DC fuse and circuit breaker etc. connect to form, as shown in Figure 1, DC fuse 101 respectively array is fixed as, lower two rows, every row's DC fuse 101 tops are respectively equipped with a copper bar 102, on, the lower row's DC fuse 101 respectively outlet through its upper end is parallel on described copper bar 102, photovoltaic combiner box below is provided with incoming line, both positive and negative polarity inlet wire is received respectively, the lower end of lower row's DC fuse 101, on, lower row's DC fuse 101 confluxes in copper bar 102, on copper bar 102 access circuit breakers 103.
As mentioned above, in photovoltaic combiner box of the prior art there is following some deficiency in the layout of each electric elements:
1. take up room larger, Internal cable copper bar large usage quantity, cost increases;
2. upper and lower two row's DC fuse spacing are little, to wiring, make troubles;
3. layout, cabling are not attractive in appearance.
Summary of the invention
The utility model object is to provide a kind of photovoltaic lightningproof header box, by the improvement to topology layout, makes wiring operation more convenient, and cabling is more attractive in appearance, has reduced, to the taking of space, can save copper bar consumption simultaneously, has reduced cost.
For achieving the above object, the technical solution adopted in the utility model is: a kind of photovoltaic lightningproof header box, comprise a casing, be arranged at the circuit breaker in this casing, lightning protection device, and the fuse assembly that connects the positive and negative level of described circuit breaker two ends, described fuse assembly consists of 2 groups of anodal fuse subregions and 2 groups of negative pole fuse subregions, each group just, negative pole fuse subregion is arranged in the both sides of described circuit breaker, described circuit breaker just, negative input end is drawn by copper bar respectively and is extended to both sides fuse subregion, 2 groups of fuse subregions of homonymy are distributed in corresponding copper bar both sides, the output of each group fuse subregion is all near corresponding described copper bar setting, and through wire and the electrical connection of described copper bar.
In technique scheme, each group described anodal fuse subregion and negative pole fuse subregion be respectively by a plurality of DC fuses and connect and form, circuit breaker input described in the corresponding road of each DC fuse.
In technique scheme, the output of each described anodal fuse subregion of group and negative pole fuse subregion is connected with described copper bar through copper strips respectively.
In technique scheme, the input of described circuit breaker is positioned at both sides, described casing below, is respectively positive and negative electrode incoming line, and incoming line is connected with corresponding fuse subregion output through described copper bar; Between described positive and negative electrode incoming line, be provided with circuit breaker output, by positive and negative line outlet, formed.
Because technique scheme is used, the advantage that the utility model compared with prior art has is:
1, due to 2 groups of positive and negative electrode fuse subregions in the utility model, be arranged in respectively the both sides of circuit breaker, 2 groups of fuse subregions of homonymy are distributed in corresponding copper bar both sides, and one group of positive and negative electrode fuse subregion are only set in the past, and fuse subregion is only distributed in the structure of copper bar one side and compares, half before the use amount of copper bar only needs, the use amount of greatly having saved copper bar, has reduced cost, simultaneously, symmetrical, taking of inner space is less, and wiring is convenient, and cabling is more attractive in appearance;
2, in the utility model, the both sides of copper bar are provided with a plurality of copper strips corresponding with DC fuse, the output of each group positive and negative electrode fuse subregion is connected with described copper bar through copper strips respectively, with with electric wire, be connected and compared with copper bar in the past, the use of circuit is few, wiring easy and simple to handle, wiring is more quick and easy;
3, the utility model is simple in structure, is easy to realize.
Accompanying drawing explanation
Fig. 1 is the structural representation in background technology;
Fig. 2 is the structural representation in the utility model embodiment mono-;
Fig. 3 is the structure of copper bar schematic diagram in the utility model embodiment mono-.
Wherein: 1, casing; 2, circuit breaker; 3, lightning protection device; 4, anodal fuse subregion; 5, negative pole fuse subregion; 6, copper bar; 7, DC fuse; 8, copper strips; 9, anodal incoming line; 10, negative pole incoming line; 11, positive line outlet; 12, negative line outlet; 101, DC fuse; 102, copper bar; 103, circuit breaker.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described:
Embodiment mono-: referring to Fig. 2, shown in 3, a kind of photovoltaic lightningproof header box, comprise a casing 1, be arranged at the circuit breaker 2 in this casing 1, lightning protection device 3, and the fuse assembly that connects described circuit breaker 2 positive and negative ends, described fuse assembly consists of 2 groups of anodal fuse subregions 4 and 2 groups of negative pole fuse subregions 5, 2 groups of anodal fuse subregions 4 are arranged in the left side of described circuit breaker 2, 2 groups of negative pole fuse subregions 5 are arranged in the right side of described circuit breaker 2, described circuit breaker 2 just, negative input end is drawn by copper bar 6 respectively and is extended to both sides fuse subregion, 2 groups of fuse subregions of homonymy are distributed in corresponding copper bar 6 both sides, the output of each group fuse subregion all arranges near corresponding described copper bar 6, and through wire and 6 electrical connections of described copper bar.
Each group described anodal fuse subregion 4 and negative pole fuse subregion 5 be respectively by 8 DC fuses 7 and connect and form, circuit breaker 2 inputs described in the corresponding road of each DC fuse 7.The output of each described anodal fuse subregion 4 of group and negative pole fuse subregion 5 is connected with described copper bar 6 through copper strips 8 respectively, as shown in Figure 3.
The input of described circuit breaker 2 is positioned at described casing 1 both sides, below, is respectively anodal incoming line 9, negative pole incoming line 10, and incoming line is connected with corresponding fuse subregion output through described copper bar 6; Between described anodal incoming line 9, negative pole incoming line 10, be provided with circuit breaker 2 outputs, by positive line outlet 11, negative line outlet 12, formed.
Claims (4)
1. a photovoltaic lightningproof header box, comprise a casing, be arranged at the circuit breaker in this casing, lightning protection device, and the fuse assembly that connects the positive and negative level of described circuit breaker two ends, it is characterized in that: described fuse assembly consists of 2 groups of anodal fuse subregions and 2 groups of negative pole fuse subregions, each group just, negative pole fuse subregion is arranged in the both sides of described circuit breaker, described circuit breaker just, negative input end is drawn by copper bar respectively and is extended to both sides fuse subregion, 2 groups of fuse subregions of homonymy are distributed in corresponding copper bar both sides, the output of each group fuse subregion is all near corresponding described copper bar setting, and through wire and the electrical connection of described copper bar.
2. photovoltaic lightningproof header box according to claim 1, is characterized in that: each described anodal fuse subregion of group and negative pole fuse subregion be respectively by a plurality of DC fuses and connect and form, circuit breaker input described in the corresponding road of each DC fuse.
3. photovoltaic lightningproof header box according to claim 1, is characterized in that: the output of each described anodal fuse subregion of group and negative pole fuse subregion is connected with described copper bar through copper strips respectively.
4. photovoltaic lightningproof header box according to claim 1, is characterized in that: the input of described circuit breaker is positioned at both sides, described casing below, is respectively positive and negative electrode incoming line, and incoming line is connected with corresponding fuse subregion output through described copper bar; Between described positive and negative electrode incoming line, be provided with circuit breaker output, by positive and negative line outlet, formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320185810.XU CN203434471U (en) | 2013-04-12 | 2013-04-12 | Photovoltaic lightning protection combiner box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320185810.XU CN203434471U (en) | 2013-04-12 | 2013-04-12 | Photovoltaic lightning protection combiner box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203434471U true CN203434471U (en) | 2014-02-12 |
Family
ID=50063489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320185810.XU Expired - Fee Related CN203434471U (en) | 2013-04-12 | 2013-04-12 | Photovoltaic lightning protection combiner box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203434471U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103208750A (en) * | 2013-04-12 | 2013-07-17 | 中天光伏技术有限公司 | Photovoltaic lightning protection combiner box |
| CN104377559A (en) * | 2014-09-29 | 2015-02-25 | 国家电网公司 | Complete-set cabinet preventing secondary line short circuit |
-
2013
- 2013-04-12 CN CN201320185810.XU patent/CN203434471U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103208750A (en) * | 2013-04-12 | 2013-07-17 | 中天光伏技术有限公司 | Photovoltaic lightning protection combiner box |
| CN104377559A (en) * | 2014-09-29 | 2015-02-25 | 国家电网公司 | Complete-set cabinet preventing secondary line short circuit |
| CN104377559B (en) * | 2014-09-29 | 2016-12-07 | 国家电网公司 | A kind of complete cabinet of anti-secondary line short circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140212 Termination date: 20140412 |