CN203933531U - A kind of outdoor photovoltaic intelligent header box - Google Patents
A kind of outdoor photovoltaic intelligent header box Download PDFInfo
- Publication number
- CN203933531U CN203933531U CN201420255042.5U CN201420255042U CN203933531U CN 203933531 U CN203933531 U CN 203933531U CN 201420255042 U CN201420255042 U CN 201420255042U CN 203933531 U CN203933531 U CN 203933531U
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- China
- Prior art keywords
- anodal
- negative pole
- fuse
- copper bar
- copper coin
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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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 provides a kind of new outdoor intelligent junction box topology layout.This open air photovoltaic intelligent header box, particularly including anodal copper coin, negative pole copper coin, anodal confluence copper bar and negative pole confluence copper bar, anodal fuse group and negative pole fuse group form by a plurality of fuse units; Circuit breaker is positioned at the middle part of cabinet; Anodal fuse group, anodal copper coin and anodal confluence copper bar are positioned at positive input side, and negative pole fuse group, negative pole copper coin and negative pole confluence copper bar are positioned at negative input side; All fuse units of anodal fuse group are fixedly attached to anodal copper coin side by side, and anodal copper coin is connected to the electrode input end mouth of circuit breaker through anodal confluence copper bar; All fuse units of negative pole fuse group are fixedly attached to negative pole copper coin side by side, and negative pole copper coin is connected to the negative input mouth of circuit breaker through negative pole confluence copper bar; Observation circuit plate is arranged at the superjacent air space of anodal fuse group or negative pole fuse group.
Description
Technical field
The utility model relates to a kind of outdoor photovoltaic combiner box.
Background technology
For large-sized photovoltaic grid-connected system, in order to reduce line between photovoltaic module and inverter, to maintain easily, improve reliability, generally need between photovoltaic module and inverter, increase direct current collector-shoe gear.Use photovoltaic array intelligent junction box, user can be according to the direct voltage scope of inverter input, the identical photovoltaic module of some specifications is composed in series to 1 photovoltaic module tandem, again several tandem access photovoltaic array intelligent junction boxes are confluxed, by exporting after lightning arrester and circuit breaker, facilitated the access of rear class inverter.
At present, the header box structure type on market has a variety of, and its major defect has, and the difference of photovoltaic array input way causes header box physical dimension different, in structure, cannot form standardization; The space waste that topology layout is unreasonable to be caused is comparatively serious, cable usage quantity is many and cabling is mixed and disorderly, field connection install inconvenient, produce that assembly crewman's complex operation, on-site maintenance are bad, cost increase etc., particularly positive and negative electrode input side may cause between positive and negative electrode electric clearance compared with little and produce electric discharge at circuit breaker with layout on one side, thereby burns out whole header box.
Summary of the invention
The technical disadvantages existing for photovoltaic intelligent junction box on market, according to the functional characteristics of common electric part in header box, the utility model provides a kind of new outdoor intelligent junction box topology layout.
Basic scheme of the present utility model is as follows:
Outdoor photovoltaic intelligent header box, comprises cabinet and is arranged at anodal fuse group, negative pole fuse group, circuit breaker, earth connection terminal and the observation circuit plate in cabinet; Anodal fuse group and negative pole fuse group form by a plurality of fuse units; It is characterized in that: also comprise anodal copper coin, negative pole copper coin, anodal confluence copper bar and negative pole confluence copper bar; Described circuit breaker is positioned at the middle part of cabinet, and the space of the left and right sides of circuit breaker delimited respectively as positive input side and negative input side;
Anodal fuse group, anodal copper coin and anodal confluence copper bar are positioned at positive input side, and negative pole fuse group, negative pole copper coin and negative pole confluence copper bar are positioned at negative input side;
All fuse units of anodal fuse group are fixedly attached to anodal copper coin side by side, and anodal copper coin is connected to the electrode input end mouth of circuit breaker through anodal confluence copper bar; All fuse units of negative pole fuse group are fixedly attached to negative pole copper coin side by side, and negative pole copper coin is connected to the negative input mouth of circuit breaker through negative pole confluence copper bar;
Observation circuit plate is arranged at the superjacent air space of anodal fuse group or negative pole fuse group.
On the basis of above-mentioned basic scheme, also done further optimization and limited and improve:
Between anodal copper coin and fuse unit, anodal confluence copper bar, all by screw, achieve a fixed connection; Between negative pole copper coin and fuse unit, negative pole confluence copper bar, all by screw, achieve a fixed connection.
Anodal copper coin and negative pole copper coin are strip and are horizontally disposed with, all fuse units of anodal fuse group leading-out terminal that makes progress is fixedly connected with anodal copper coin at same level height, and all fuse units of negative pole fuse group leading-out terminal that makes progress is fixedly connected with negative pole copper coin at same level height; Described anodal confluence copper bar is arranged at the upper left side of circuit breaker, described negative pole confluence copper bar is arranged at the upper right side of circuit breaker, and anodal copper coin is correspondingly connected with anodal confluence copper bar and negative pole confluence copper bar formation right angle respectively with negative pole copper coin one end near circuit breaker.
The negative pole fuse group of the anodal fuse group of positive input side, anodal copper coin, anodal confluence copper bar and negative input side, negative pole copper coin, negative pole confluence copper bar integrated symmetric arrange.
Earth connection terminal is arranged under circuit breaker.
Observation circuit plate is also integrated with communication module and power module.
The bottom of cabinet is vertically respectively arranged with a plurality of Waterproof locks corresponding to the position of each fuse unit, and the input cable of photovoltaic module tandem is to be connected with corresponding fuse unit by described Waterproof lock.
The output port of circuit breaker adopts output copper bar to connect output cable.
Anodal fuse group and negative pole fuse group all adopt car coat type floor installation to fix.
In cabinet, upper left side or upper right side are also provided with lightning arrester, and lightning arrester lays respectively at the interior different input side (positive input side, negative input side) of cabinet from observation circuit plate; The positive pole of lightning arrester, negative pole, earth connection correspondingly respectively with anodal confluence copper bar, negative pole confluence copper bar, grounding terminal sub-connection.
The utlity model has following advantage:
1). positive input side and negative input side are arranged apart on the both sides of DC circuit breaker, have strengthened the electric clearance between positive and negative electrode, have strengthened the electrical safety reliability of product.
2). except direct current input, lightning arrester, monitoring means, ground unit, the communication unit of photovoltaic array need to be used cable, all the other all adopt copper coin or copper bar to realize and are electrically connected to, saved a large amount of cables, with copper bar, replaced most of cable, make simple, the fastening convenience of technique, connect attractive in appearancely, reduced electrical connection cost.
3). the topology layout based on header box of the present utility model, can design according to maximum direct current input way 16 tunnels, backward compatible for different input way structures, therefore improved the structure compatible of header box.
4). all electricity pieces and structural member are arranged in the top region of cabinet, sufficient input wires operating space are provided to field connection personnel.
5). the output at circuit breaker connects output cable by copper bar, has improved the easy-to-connect of output cable and the device security of circuit breaker.
6). anodal fuse group, negative pole fuse group all adopt the mounting means of car coat type, improve it and safeguard convenience.
7). monitoring means, communication unit, power subsystem are integrated on a circuit board, have greatly saved space, improved space availability ratio.
8). in cabinet, whole layout structure is carefully and neatly done, symmetrical, and layout is attractive in appearance.
Accompanying drawing explanation
Fig. 1 is the utility model header box topology layout schematic diagram.
In the drawings: 1-cabinet, 2-lightning arrester, the anodal confluence copper bar of 3-, 4-negative pole confluence copper bar, 5-communication module, 6-observation circuit plate, 7-power module, 8-negative pole copper coin, 9-negative pole car coat type base fuse, 10-Waterproof lock, 11-exports copper bar, 12-communication terminal, 13-earth connection terminal, 14-circuit breaker, the anodal car coat type base of 15-fuse, the anodal copper coin of 16-.
Embodiment
For making those skilled in the art understand better the technical solution of the utility model, below in conjunction with accompanying drawing and best specific embodiment, the utility model is described in further detail.
As shown in Figure 1, this open air photovoltaic intelligent header box, comprises anodal car coat type base fuse 15, negative pole car coat type base fuse 9, anodal copper coin 16, negative pole copper coin 8, anodal confluence copper bar 3, negative pole confluence copper bar 4, circuit breaker 14, output copper bar 11, lightning arrester 2, earth connection terminal 13, communication terminal 12, observation circuit plate 6, power module 7, communication module 5 and Waterproof lock 10.Described cabinet 1 downside is provided with Waterproof lock 10, in the middle of described cabinet 1 base plate, top region is furnished with circuit breaker 14, the left side arranged beneath of described circuit breaker 14 has anodal car coat type base fuse 15, the top of described anodal car coat type base fuse 15 is furnished with anodal copper coin 16, the top of described anodal copper coin 16 is furnished with anodal confluence copper bar 3, the upper left side of described anodal confluence copper bar 3 is furnished with lightning arrester 2, described circuit breaker 14 belows, right side, with respect to anodal car coat type base fuse 15 and circuit breaker 14, be arranged symmetrically with negative pole car coat type base fuse 9, the top of described negative pole car coat type base fuse 9, with respect to anodal copper coin 16 and circuit breaker 14, be arranged symmetrically with negative pole copper coin 8, the top of described negative pole copper coin 8 is furnished with negative pole confluence copper bar 4, the disposed inboard of described negative pole confluence copper bar 4 has observation circuit plate 6, the upper left side of described observation circuit plate 6 is furnished with communication module 5, upper right side is furnished with power module 7, the output of described circuit breaker 14 is furnished with output copper bar 11, the arranged beneath of described circuit breaker 14 has earth connection terminal 13, the described adjacent right side of earth connection terminal 13 is furnished with communication terminal 12.
As shown in Figure 1, be the topology layout of the outdoor photovoltaic intelligent header box of 16 remittance 1.The input cable of photovoltaic module tandem is introduced cabinet 1 by the Waterproof lock 10 of cabinet 1 downside.Wherein, anodal input cable is connected with the anodal car coat type base fuse 15 of circuit breaker 14 belows, left side, anodal car coat type base fuse 15 is connected with anodal confluence copper bar 3 by anodal copper coin 16, and anodal confluence copper bar 3 is connected with the electrode input end mouth of circuit breaker 14; Negative pole input cable is connected with the negative pole car coat type base fuse 9 of circuit breaker 14 belows, right side, and negative pole car coat type base fuse 9 is connected with negative pole confluence copper bar 4 by negative pole copper coin 8, and negative pole confluence copper bar 4 is connected with the negative input mouth of circuit breaker 14.Positive input side and negative input side are arranged apart on the both sides of circuit breaker 14, have strengthened the electric clearance between positive and negative electrode, have strengthened the electrical safety reliability of product.Output port at circuit breaker 14 connects output cable by output copper bar 11, has improved the easy-to-connect of output cable and the device security of circuit breaker.Adopt anodal copper coin 16, negative pole copper coin 8, anodal confluence copper bar 3 and negative pole confluence copper bar 4 to replace most of cable to realize to be electrically connected to, to make simple, the fastening convenience of technique, connect attractive in appearance, reduced electrical connection cost.
The lightning arrester 2 that the upper left side of anodal confluence copper bar 3 is arranged, is connected with anodal confluence copper bar 3, negative pole confluence copper bar 4, earth connection terminal 13, has improved the anti-lightning strike ability of header box.
The disposed inboard of negative pole confluence copper bar 4 has observation circuit plate 6, integrated power module 7, communication module 5 on an observation circuit plate 6, when inner self-powered function, monitoring running status and service data function, RS485 communication function are provided, greatly save space, improved space availability ratio.
For anodal car coat type base fuse 15 and negative pole car coat type base fuse 9, fuse adopts the mounting means of car coat type, has improved it and has safeguarded convenience.
This open air photovoltaic intelligent header box, layout is more reasonable, standard, directly perceived, has particularly strengthened the security reliability of header box, the convenience of installation and maintenance, and cabling is more attractive in appearance, has greatly saved cable consumption, has reduced complete machine cost.
Claims (10)
1. an outdoor photovoltaic intelligent header box, comprises cabinet and is arranged at anodal fuse group, negative pole fuse group, circuit breaker, earth connection terminal and the observation circuit plate in cabinet; Anodal fuse group and negative pole fuse group form by a plurality of fuse units; It is characterized in that: also comprise anodal copper coin, negative pole copper coin, anodal confluence copper bar and negative pole confluence copper bar; Described circuit breaker is positioned at the middle part of cabinet, and the space of the left and right sides of circuit breaker delimited respectively as positive input side and negative input side;
Anodal fuse group, anodal copper coin and anodal confluence copper bar are positioned at positive input side, and negative pole fuse group, negative pole copper coin and negative pole confluence copper bar are positioned at negative input side;
All fuse units of anodal fuse group are fixedly attached to anodal copper coin side by side, and anodal copper coin is connected to the electrode input end mouth of circuit breaker through anodal confluence copper bar; All fuse units of negative pole fuse group are fixedly attached to negative pole copper coin side by side, and negative pole copper coin is connected to the negative input mouth of circuit breaker through negative pole confluence copper bar;
Observation circuit plate is arranged at the superjacent air space of anodal fuse group or negative pole fuse group.
2. outdoor photovoltaic intelligent header box according to claim 1, is characterized in that: between anodal copper coin and fuse unit, anodal confluence copper bar, all by screw, achieve a fixed connection; Between negative pole copper coin and fuse unit, negative pole confluence copper bar, all by screw, achieve a fixed connection.
3. outdoor photovoltaic intelligent header box according to claim 1, it is characterized in that: described anodal copper coin and negative pole copper coin are strip and are horizontally disposed with, all fuse units of anodal fuse group leading-out terminal that makes progress is fixedly connected with anodal copper coin at same level height, and all fuse units of negative pole fuse group leading-out terminal that makes progress is fixedly connected with negative pole copper coin at same level height; Described anodal confluence copper bar is arranged at the upper left side of circuit breaker, described negative pole confluence copper bar is arranged at the upper right side of circuit breaker, and anodal copper coin is correspondingly connected with anodal confluence copper bar and negative pole confluence copper bar formation right angle respectively with negative pole copper coin one end near circuit breaker.
4. outdoor photovoltaic intelligent header box according to claim 1, is characterized in that: the negative pole fuse group of the anodal fuse group of positive input side, anodal copper coin, anodal confluence copper bar and negative input side, negative pole copper coin, negative pole confluence copper bar integrated symmetric arrange.
5. outdoor photovoltaic intelligent header box according to claim 1, is characterized in that: described earth connection terminal is arranged under circuit breaker.
6. outdoor photovoltaic intelligent header box according to claim 1, is characterized in that: described observation circuit plate is also integrated with communication module and power module.
7. outdoor photovoltaic intelligent header box according to claim 1, it is characterized in that: the bottom of described cabinet is vertically respectively arranged with a plurality of Waterproof locks corresponding to the position of each fuse unit, the input cable of photovoltaic module tandem is to be connected with corresponding fuse unit by described Waterproof lock.
8. outdoor photovoltaic intelligent header box according to claim 1, is characterized in that: the output port of circuit breaker adopts output copper bar to connect output cable.
9. outdoor photovoltaic intelligent header box according to claim 1, is characterized in that: described anodal fuse group and negative pole fuse group all adopt car coat type floor installation to fix.
10. outdoor photovoltaic intelligent header box according to claim 1, is characterized in that: in described cabinet, upper left side or upper right side are also provided with lightning arrester, and lightning arrester lays respectively at the interior different input side of cabinet from observation circuit plate; The positive pole of lightning arrester, negative pole, earth connection correspondingly respectively with anodal confluence copper bar, negative pole confluence copper bar, grounding terminal sub-connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420255042.5U CN203933531U (en) | 2014-05-16 | 2014-05-16 | A kind of outdoor photovoltaic intelligent header box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420255042.5U CN203933531U (en) | 2014-05-16 | 2014-05-16 | A kind of outdoor photovoltaic intelligent header box |
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| Publication Number | Publication Date |
|---|---|
| CN203933531U true CN203933531U (en) | 2014-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420255042.5U Expired - Fee Related CN203933531U (en) | 2014-05-16 | 2014-05-16 | A kind of outdoor photovoltaic intelligent header box |
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| Country | Link |
|---|---|
| CN (1) | CN203933531U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106410633A (en) * | 2016-12-07 | 2017-02-15 | 四川行之知识产权运营服务有限公司 | Distribution box used for photovoltaic power station |
| 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 |
-
2014
- 2014-05-16 CN CN201420255042.5U patent/CN203933531U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106410633A (en) * | 2016-12-07 | 2017-02-15 | 四川行之知识产权运营服务有限公司 | Distribution box used for photovoltaic power station |
| 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: 20141105 Termination date: 20210516 |