CN203481636U - Novel photovoltaic dc power distribution cabinet - Google Patents
Novel photovoltaic dc power distribution cabinet Download PDFInfo
- Publication number
- CN203481636U CN203481636U CN201320547108.3U CN201320547108U CN203481636U CN 203481636 U CN203481636 U CN 203481636U CN 201320547108 U CN201320547108 U CN 201320547108U CN 203481636 U CN203481636 U CN 203481636U
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- China
- Prior art keywords
- busbar
- circuit breaker
- counnter attack
- attack diode
- power distribution
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Abstract
The utility model relates to a novel photovoltaic dc power distribution cabinet which comprises a cabinet body (1), and a conflux busbar set (2), multiple anti-reverse diodes (3) and multiple dc breakers (4) arranged in the cabinet body (1). A front door (11) is arranged at the front side of the cabinet body (1). The power distribution cabinet is characterized in that the anti-reverse diodes (3) are arranged at the left and right sides inside the cabinet body (1), the dc breakers (4) are arranged at the inner side of the front door (11), and the conflux busbar set (2) is arranged between the dc breakers (4) and the anti-reverse diodes (3); and each anti-reverse diode (3) is electrically connected with the corresponding dc breaker (4) via a connecting busbar (5), and each dc breaker (4) is electrically connected with the conflux busbar set (2) via the connecting busbar (5). According to the utility model, the anti-reverse diodes, the dc breakers and the conflux busbar set are reasonably and optimally arranged, and the connecting busbars are used for electrical connection, so that wiring is simplified and convenient, and the cost is saved.
Description
Technical field
The utility model relates to a kind of photovoltaic DC power distribution cabinet.
Background technology
Photovoltaic DC power distribution cabinet is mainly used in large-sized photovoltaic power station; be used for connecting photovoltaic combiner box and photovoltaic DC-to-AC converter; and provide lightning protection and overcurrent protection; single crosstalk stream, voltage and lightning protection device state, the circuit-breaker status of monitoring photovoltaic array, access grid-connected inverter after the photovoltaic module power supply of header box output is confluxed again.
In prior art, owing to conventionally there being a plurality of photovoltaic combiner boxes to access in same photovoltaic DC power distribution cabinet, in photovoltaic DC power distribution cabinet, be provided with a plurality of counnter attack diodes and a plurality of DC circuit breaker, the corresponding multiplex circuit of a plurality of DC circuit breakers, in existing photovoltaic DC power distribution cabinet, adopt cable to be electrically connected to, make cabinet internal wiring numerous and diverse, cable consumption is huge, and cost increases.
Summary of the invention
The purpose of this utility model is to provide a kind of photovoltaic DC power distribution cabinet, to solve the numerous and diverse problem of existing photovoltaic DC power distribution cabinet wiring.
For achieving the above object, the technical solution adopted in the utility model is: a kind of novel photovoltaic DC power distribution cabinet, and comprise cabinet and be arranged at the busbar group of confluxing in cabinet, a plurality of counnter attack diode, a plurality of DC circuit breaker, described cabinet front side is provided with Qianmen; Described counnter attack diode is located at the left and right sides in cabinet, and DC circuit breaker is located at the inner side at Qianmen, and the busbar that confluxes is mounted between DC circuit breaker and counnter attack diode; Described each counnter attack diode is electrically connected to corresponding DC circuit breaker by connecting busbar, and each DC circuit breaker is electrically connected to the busbar group of confluxing by connecting busbar.
In such scheme, described counnter attack diode is divided into left and right two row side by side, divides and is located on the left and right sidewall of cabinet; Described DC circuit breaker is corresponding one by one with counnter attack diode, is also divided into the inner side that left and right two row are side by side fixedly arranged on Qianmen; The described busbar group of confluxing is comprised of positive pole busbar and the negative pole busbar that confluxes that confluxes, and positive pole busbar and the negative pole busbar that confluxes that confluxes all vertically arranges, and positive pole busbar and the negative pole busbar left and right of confluxing of confluxing is parallel side by side; The positive pole of described each DC circuit breaker is electrically connected to the positive pole busbar that confluxes through connecting busbar, and the negative pole of each DC circuit breaker is electrically connected to the negative pole busbar that confluxes through connecting busbar.
In such scheme, the leading-out terminal of described each counnter attack diode is electrically connected to the positive pole of corresponding DC circuit breaker by connecting busbar, it is along continuous straight runs with the connection busbar between corresponding DC circuit breaker that concrete this is connected to each counnter attack diode, directly from the leading-out terminal extension of counnter attack diode, is connected to the positive pole of DC circuit breaker.
In such scheme, on the end of incoming cables of described each counnter attack diode, pick out one for the connection busbar that connects anodal inlet wire; On the negative pole of described each DC circuit breaker, pick out one for the connection busbar that connects negative pole end of incoming cables.
In such scheme, described in conflux in busbar group and be covered with bus hood, further, bus hood is provided with inspection hole.
Design principle of the present utility model and the effect of bringing are as follows:
The utility model is located at the left and right sides in cabinet by counnter attack diode, DC circuit breaker is located at the inner side at Qianmen, the busbar that confluxes is mounted between DC circuit breaker and counnter attack diode, is about to each parts preferred arrangement in cabinet, and, with connecting busbar, counnter attack diode is electrically connected to DC circuit breaker, with connecting busbar, DC circuit breaker is electrically connected to the busbar group of confluxing too, in order to avoid connect with cable, wiring is simplified, facilitate wiring, also saved cost.
Accompanying drawing explanation
Fig. 1 is that the utility model example structure master looks complete section schematic diagram, the figure shows the view of observing from cabinet left side;
Fig. 2 be Fig. 1 overlook complete section schematic diagram;
Fig. 3 is that schematic diagram is looked on the right side of Fig. 1, the state after the figure shows Qianmen and opening.
In above accompanying drawing: 1, cabinet; 11, Qianmen; 2, the busbar group of confluxing; 21, the positive pole busbar that confluxes; 22, the negative pole busbar that confluxes; 3, counnter attack diode; 4, DC circuit breaker; 5, connect busbar; 6, for the connection busbar that connects anodal end of incoming cables; 7, for the connection busbar that connects negative pole end of incoming cables; 8, bus hood.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described:
Embodiment: shown in Fig. 1-3:
A novel photovoltaic DC power distribution cabinet, comprises cabinet 1 and is arranged at the busbar group 2 of confluxing in cabinet 1, a plurality of counnter attack diode 3, a plurality of DC circuit breaker 4, described cabinet 1 front side is provided with Qianmen 11.
Described counnter attack diode 3 is located at the left and right sides in cabinet 1, and DC circuit breaker 4 is located at the inner side at Qianmen 11, and the busbar group 2 of confluxing is located between DC circuit breaker 4 and counnter attack diode 3.Specifically, described counnter attack diode 3 is divided into left and right two row side by side, divides and is located on the left and right sidewall of cabinet 1; Described DC circuit breaker 4 is corresponding one by one with counnter attack diode 3, is also divided into the inner side that left and right two row are side by side fixedly arranged on Qianmen 11.
Described each counnter attack diode 3 is electrically connected to corresponding DC circuit breaker 4 by connecting busbar 5, and each DC circuit breaker 4 is electrically connected to the busbar group 2 of confluxing by connecting busbar 5.Specifically: the leading-out terminal of each counnter attack diode 3 is electrically connected to the positive pole of corresponding DC circuit breaker 4 by connecting busbar 5, conflux busbar group 2 as shown in Figure 3, by positive pole busbar 21 and the negative pole busbar 22 that confluxes that confluxes, formed, positive pole busbar 21 and the negative pole busbar 22 that confluxes that confluxes all vertically arranges, and positive pole busbar 21 and negative pole busbar 22 left and right of confluxing of confluxing are parallel side by side; The positive pole of described each DC circuit breaker 4 is electrically connected to the positive poles busbar 21 that confluxes through connecting busbar 5, and the negative pole of each DC circuit breaker 4 is electrically connected to the negative poles busbar 22 that confluxes through connecting busbar 5.
See shown in Fig. 1, Fig. 2, being connected to each counnter attack diode 3 leading-out terminal is along continuous straight runs with the connection busbar 5 between corresponding DC circuit breaker 4 positive poles, directly from the leading-out terminal extension of counnter attack diode 3, is connected to the positive pole of DC circuit breaker 4.
And, see shown in Fig. 1, Fig. 2, on the end of incoming cables of described each counnter attack diode 3, pick out one for the connection busbar 6 that connects anodal inlet wire; On the negative pole of described each DC circuit breaker 4, pick out one for the connection busbar 7 that connects negative pole end of incoming cables.Specifically, as shown in Figure 1, supply the connection busbar 7 that connects negative pole end of incoming cables with corresponding one by one for the connection busbar 6 that connects anodal end of incoming cables, the parallel below of being located at the corresponding connection busbar 6 for the anodal end of incoming cables of connection.
As shown in Figure 3, described in conflux in busbar group 2 and be covered with bus hood 8, and this bus hood 8 is provided with inspection hole.The material that described bus hood 8 adopts is polymethyl methacrylate, and the utilization of bus hood 8 can avoid operating personnel directly to touch the busbar group 2 of confluxing, and plays certain buffer action, has improved fail safe.Inspection hole shape on described bus hood 8 can designed, designed, and main effect is for observing the working condition of the busbar group 2 of confluxing.
Above-described embodiment is only explanation technical conceive of the present utility model and feature, and its object is to allow person skilled in the art can understand content of the present utility model and implement according to this, can not limit protection range of the present utility model with this.All equivalences of doing according to the utility model Spirit Essence change or modify, within all should being encompassed in protection range of the present utility model.
Claims (6)
1. a novel photovoltaic DC power distribution cabinet, comprises cabinet (1) and is arranged at the busbar group (2) of confluxing, a plurality of counnter attack diode (3), a plurality of DC circuit breaker (4) in cabinet (1), and described cabinet (1) front side is provided with Qianmen (11); It is characterized in that:
Described counnter attack diode (3) is located at the left and right sides in cabinet (1), and DC circuit breaker (4) is located at the inner side of Qianmen (11), and the busbar group of confluxing (2) is located between DC circuit breaker (4) and counnter attack diode (3);
Described each counnter attack diode (3) is electrically connected to corresponding DC circuit breaker (4) by connecting busbar (5), and each DC circuit breaker (4) is electrically connected to the busbar group (2) of confluxing by connecting busbar (5).
2. photovoltaic DC power distribution cabinet according to claim 1, is characterized in that: described counnter attack diode (3) is divided into left and right two row side by side, minute is located on the left and right sidewall of cabinet (1); Described DC circuit breaker (4) is corresponding one by one with counnter attack diode (3), is also divided into the inner side that left and right two row are side by side fixedly arranged on Qianmen (11); The described busbar group (2) of confluxing is comprised of positive pole busbar (21) and the negative pole busbar (22) that confluxes that confluxes, positive pole busbar (21) and the negative pole busbar (22) that confluxes that confluxes all vertically arranges, and positive pole busbar (21) and negative pole busbar (22) left and right of confluxing of confluxing is parallel side by side; The positive pole of described each DC circuit breaker (4) is electrically connected to the positive pole busbar (21) that confluxes through connecting busbar (5), and the negative pole of each DC circuit breaker (4) is electrically connected to the negative pole busbar (22) that confluxes through connecting busbar (5).
3. photovoltaic DC power distribution cabinet according to claim 2, it is characterized in that: the leading-out terminal of described each counnter attack diode (3) is by connecting the positive pole electrical connection of busbar (5) and corresponding DC circuit breaker (4), it is along continuous straight runs with the connection busbar (5) between corresponding DC circuit breaker (4) positive pole that concrete this is connected to each counnter attack diode (3) leading-out terminal, directly from the leading-out terminal extension of counnter attack diode (3), is connected to the positive pole of DC circuit breaker (4).
4. photovoltaic DC power distribution cabinet according to claim 3, is characterized in that: on the end of incoming cables of described each counnter attack diode (3), pick out one for the connection busbar (6) that connects anodal inlet wire; On the negative pole of described each DC circuit breaker (4), pick out one for the connection busbar (7) that connects negative pole end of incoming cables.
5. photovoltaic DC power distribution cabinet according to claim 1, is characterized in that: described in conflux in busbar group (2) and be covered with bus hood (8).
6. photovoltaic DC power distribution cabinet according to claim 5, is characterized in that: described bus hood (8) is provided with inspection hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320547108.3U CN203481636U (en) | 2013-09-04 | 2013-09-04 | Novel photovoltaic dc power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320547108.3U CN203481636U (en) | 2013-09-04 | 2013-09-04 | Novel photovoltaic dc power distribution cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203481636U true CN203481636U (en) | 2014-03-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320547108.3U Expired - Lifetime CN203481636U (en) | 2013-09-04 | 2013-09-04 | Novel photovoltaic dc power distribution cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203481636U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103996978A (en) * | 2014-06-12 | 2014-08-20 | 南车株洲电力机车研究所有限公司 | Photovoltaic direct current distribution cabinet and assembly method thereof |
-
2013
- 2013-09-04 CN CN201320547108.3U patent/CN203481636U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103996978A (en) * | 2014-06-12 | 2014-08-20 | 南车株洲电力机车研究所有限公司 | Photovoltaic direct current distribution cabinet and assembly method thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140312 |