CN205105162U - Photovoltaic intelligence lightning protection collection flow box - Google Patents
Photovoltaic intelligence lightning protection collection flow box Download PDFInfo
- Publication number
- CN205105162U CN205105162U CN201520831222.8U CN201520831222U CN205105162U CN 205105162 U CN205105162 U CN 205105162U CN 201520831222 U CN201520831222 U CN 201520831222U CN 205105162 U CN205105162 U CN 205105162U
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- CN
- China
- Prior art keywords
- lightning protection
- protection device
- negative pole
- current transformer
- copper bar
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- 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
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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
The utility model discloses a photovoltaic intelligence lightning protection collection flow box, the power distribution box comprises a box body, direct current transformer's positive pole is connected with circuit breaker and the anodal of lightning protection device through the copper bar that converges, direct current transformer's negative pole passes through the wire and is connected with lightning protection device and measuring device's negative pole, measuring device links to each other with the lightning protection device, the positive pole of PCB control panel passes through the wire and is connected with the anodal of circuit breaker and direct current transformer, the negative pole that the negative pole of PCB control panel passes through wire and lightning protection device links to each other, the positive pole of direct current fuse is connected with the anodal of circuit breaker through the copper bar that converges, the negative pole of direct current fuse is connected with the negative pole of lightning protection device through the copper bar that converges. This photovoltaic intelligence lightning protection collection flow box reduces arranging of copper bar, and the current DC power supply of access is on direct current transformer, lightning protection device and on the detection device, and quick detection lightning protection device has been avoided leading to equipment to work because of the damage of lightning protection device.
Description
Technical field
The utility model belongs to photovoltaic net technical field of power generation, is specifically related to a kind of photovoltaic intelligent lightning-proof header box.
Background technology
For large-sized photovoltaic grid-connected system, in order to reduce connecting line between photovoltaic module and inverter, maintain easily, improve reliability, general needs increase direct current collector-shoe gear between photovoltaic module and inverter, photovoltaic lightningproof header box series of products are exactly to meet this requirement and specially designed, can match with our photovoltaic DC-to-AC converter product and form complete photovoltaic generating system solution, use photovoltaic combiner box, user can according to the DC voltage range of inverter input, photovoltaic module identical for the specification of some is composed in series 1 photovoltaic module tandem, again several tandems access photovoltaic lightningproof header box is confluxed, by exporting after lightning protection device and circuit breaker, facilitate the access of rear class inverter.Existing photovoltaic lightningproof header box, confluence copper bar is too much, cost of increasing input, and then causes wiring complicated, arranges far away between DC fuse, and cause cabling complicated, lightning protection device does not have checkout gear fast.
Utility model content
The purpose of this utility model is to provide a kind of photovoltaic intelligent lightning-proof header box, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme: a kind of photovoltaic intelligent lightning-proof header box, comprise casing, circuit breaker is provided with in described casing, confluence copper bar, DC current transformer, PCB control board, DC fuse, lightning protection device, and measurement mechanism, the positive pole of described direct current instrument transformer is connected with the positive pole of lightning protection device with circuit breaker by confluence copper bar, the negative pole of described direct current instrument transformer is connected by the negative pole of wire with lightning protection device and measurement mechanism, described measurement mechanism is connected with lightning protection device, the positive pole of described PCB control board is connected by the positive pole of wire with circuit breaker and direct current amphid, the negative pole of described PCB control board is connected with the negative pole of lightning protection device by wire, described circuit breaker is provided with counnter attack diode, the positive pole of described DC fuse is connected with the positive pole of circuit breaker by confluence copper bar, the negative pole of described DC fuse is connected with the negative pole of lightning protection device by confluence copper bar.
Preferably, the surface of described casing is provided with electro-insulating rubber, described DC current transformer be designed to detachable DC current transformer.
Preferably, described direct current instrument transformer has been in series with slide rheostat.
Preferably, described PCB control board is provided with feedback module.
Preferably, described measurement mechanism be designed to detachable measurement mechanism.
Technique effect of the present utility model and advantage: this kind of photovoltaic intelligent lightning-proof header box, rational in infrastructure, reduce copper bar arrangement, decrease input cost, direct current instrument transformer and slide rheostat are connected on the two ends of lightning protection device, can access existing DC power supply and detect before energising, slide rheostat can adjustable range, add the sensitivity of checkout equipment, can detect fast lightning protection device like this, avoid and cause equipment not work because of the damage of lightning protection device.
Accompanying drawing explanation
Fig. 1 is the utility model electrical principle structural representation;
Fig. 2 is structural representation of the present utility model.
In figure: 1 casing, 2 circuit breakers, 3 confluence copper bar, 4 DC current transformer, 5PCB control board, 6 DC fuses, 7 lightning protection devices, 8 measurement mechanisms, 20 counnter attack diodes, 40 slide rheostats.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1-2, the utility model provides a kind of technical scheme: a kind of photovoltaic intelligent lightning-proof header box, comprise casing 1, the surface of described casing 1 is provided with electro-insulating rubber, circuit breaker 2 is provided with in described casing 1, confluence copper bar 3, DC current transformer 4, PCB control board 5, DC fuse 6, lightning protection device 7, with measurement mechanism 8, the positive pole of described DC current transformer 4 is connected with the positive pole of circuit breaker 2 with lightning protection device 7 by confluence copper bar 3, the negative pole of described DC current transformer 4 is connected by the negative pole of wire with lightning protection device 7 and measurement mechanism 8, described DC current transformer 4 has been in series with slide rheostat 40, described DC current transformer 4 be designed to detachable DC current transformer, described measurement mechanism 8 is connected with lightning protection device 7, described measurement mechanism 8 be designed to detachable measurement mechanism, the positive pole of described PCB control board 5 is connected by the positive pole of wire with circuit breaker 2 and DC current transformer 4, the negative pole of described PCB control board 5 is connected by the negative pole of wire with lightning protection device 7, described PCB control board 5 is provided with feedback module, described circuit breaker 2 is provided with counnter attack diode 20, the positive pole of described DC fuse 6 is connected with the positive pole of circuit breaker 2 by confluence copper bar 3, the negative pole of described DC fuse 6 is connected with the negative pole of lightning protection device 7 by confluence copper bar 3.
Last it is noted that the foregoing is only preferred embodiment of the present utility model; be not limited to the utility model; although be described in detail the utility model with reference to previous embodiment; for a person skilled in the art; it still can be modified to the technical scheme described in foregoing embodiments; or equivalent replacement is carried out to wherein portion of techniques feature; all within spirit of the present utility model and principle; any amendment of doing, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (5)
1. a photovoltaic intelligent lightning-proof header box, comprise casing (1), circuit breaker (2) is provided with in described casing (1), confluence copper bar (3), DC current transformer (4), PCB control board (5), DC fuse (6), lightning protection device (7), with measurement mechanism (8), it is characterized in that: the positive pole of described DC current transformer (4) is connected with the positive pole of circuit breaker (2) and lightning protection device (7) by confluence copper bar (3), the negative pole of described DC current transformer (4) is connected by the negative pole of wire with lightning protection device (7) and measurement mechanism (8), described measurement mechanism (8) is connected with lightning protection device (7), the positive pole of described PCB control board (5) is connected by the positive pole of wire with circuit breaker (2) and DC current transformer (4), the negative pole of described PCB control board (5) is connected by the negative pole of wire with lightning protection device (7), described circuit breaker (2) is provided with counnter attack diode (20), the positive pole of described DC fuse (6) is connected with the positive pole of circuit breaker (2) by confluence copper bar (3), the negative pole of described DC fuse (6) is connected with the negative pole of lightning protection device (7) by confluence copper bar (3).
2. a kind of photovoltaic intelligent lightning-proof header box according to claim 1, is characterized in that: the surface of described casing (1) is provided with electro-insulating rubber.
3. a kind of photovoltaic intelligent lightning-proof header box according to claim 1, is characterized in that: described DC current transformer (4) is in series with slide rheostat (40), described DC current transformer (4) be designed to detachable DC current transformer.
4. a kind of photovoltaic intelligent lightning-proof header box according to claim 1, is characterized in that: described PCB control board (5) is provided with feedback module.
5. a kind of photovoltaic intelligent lightning-proof header box according to claim 1, is characterized in that: described measurement mechanism (8) be designed to detachable measurement mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520831222.8U CN205105162U (en) | 2015-10-26 | 2015-10-26 | Photovoltaic intelligence lightning protection collection flow box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520831222.8U CN205105162U (en) | 2015-10-26 | 2015-10-26 | Photovoltaic intelligence lightning protection collection flow box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205105162U true CN205105162U (en) | 2016-03-23 |
Family
ID=55520912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520831222.8U Expired - Fee Related CN205105162U (en) | 2015-10-26 | 2015-10-26 | Photovoltaic intelligence lightning protection collection flow box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205105162U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110290669A (en) * | 2019-07-03 | 2019-09-27 | 河南博源电力设备股份有限公司 | A kind of novel all-in-one feeder line structure |
-
2015
- 2015-10-26 CN CN201520831222.8U patent/CN205105162U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110290669A (en) * | 2019-07-03 | 2019-09-27 | 河南博源电力设备股份有限公司 | A kind of novel all-in-one feeder line structure |
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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: 20160323 Termination date: 20161026 |