CN203481674U - Photovoltaic dc power distribution cabinet - Google Patents
Photovoltaic dc power distribution cabinet Download PDFInfo
- Publication number
- CN203481674U CN203481674U CN201320547203.3U CN201320547203U CN203481674U CN 203481674 U CN203481674 U CN 203481674U CN 201320547203 U CN201320547203 U CN 201320547203U CN 203481674 U CN203481674 U CN 203481674U
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- China
- Prior art keywords
- counnter attack
- attack diode
- cabinet
- photovoltaic
- power distribution
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Abstract
The utility model provides a photovoltaic dc power distribution cabinet, which comprises a cabinet body (1) and multiple anti-reverse diode assemblies (2). The power distribution cabinet is characterized in that two anti-reverse diode heat radiating pipelines (3) are respectively arranged at the left and right sides in the cabinet body (1), wherein each anti-reverse diode heat radiating pipeline (3) is a hollow pipeline which is vertically arranged and includes openings respectively at the upper and lower ends; the lower openings of the two anti-reverse diode heat radiating pipelines (3) are used as air inlets (31), and the upper openings of the two anti-reverse diode heat radiating pipelines (3) are used as air outlets (32) and extend upwards out of the cabinet body (1); and radiators (22) for the anti-reverse diode assemblies (2) are mounted in each anti-reverse diode heat radiating pipeline (3). During use of the photovoltaic dc power distribution cabinet, hot air in the surrounding of the radiators for the anti-reverse diode assemblies can be isolated from the outside of the anti-reverse diode heat radiating pipelines, and air flows faster in the anti-reverse diode heat radiating pipelines than in other parts of the cabinet, so that the hot air in the surrounding of the radiators for the anti-reverse diode assemblies can be rapidly taken out of the cabinet, and the temperature rise of the anti-reverse diode assemblies can be effectively reduced.
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.
Existing photovoltaic DC cabinet, is provided with a large amount of heater elements in cabinet, as photovoltaic counnter attack diode, DC bus system, control transformer etc., solving heat dissipation problem is one of emphasis of photovoltaic DC cabinet design.The radiating mode of photovoltaic DC cabinet has two kinds at present: the first is on power distribution cabinet, to install a ventilating fan additional, with ventilating fan, all heater elements in cabinet are together carried out to wind-cooling heat dissipating, which is helpful to reducing the whole temperature rise of power distribution cabinet, but be not easy to meet the maximum temperature-rise requirement of photovoltaic counnter attack diode, powerful photovoltaic counnter attack diode particularly, with electric current, increase, heating curve is steeper, must carry out forced heat radiation targetedly to it; The second is to install radiator additional on each photovoltaic counnter attack diode, with radiator, counnter attack diode is carried out to the heat radiation of air blast cooling one to one, which can effectively reduce the temperature rise of photovoltaic counnter attack diode, but being its heat, shortcoming still puts aside in power distribution cabinet inside, be unfavorable for the heat radiation of other heater elements in cabinet, in-cabinet temperature raises also affects the heat radiation of counnter attack diode conversely.
Summary of the invention
The purpose of this utility model is to provide a kind of photovoltaic DC power distribution cabinet, to solve the heat of photovoltaic counnter attack diode, put aside at power distribution cabinet inner, be unfavorable for the heat radiation of other heater elements in cabinet, in-cabinet temperature raises also affects the problem of the heat radiation of counnter attack diode conversely.
For achieving the above object, the technical solution adopted in the utility model is: a kind of photovoltaic DC power distribution cabinet, comprise cabinet and be arranged at a plurality of counnter attack diode assemblies in cabinet, each counnter attack diode assembly comprises counnter attack diode and is fixed on the radiator on counnter attack diode; In described cabinet, be each side provided with a counnter attack diode radiating pipeline, this counnter attack diode radiating pipeline is the hollow pipeline of the upper and lower side opening that vertically arranges; The lower port of two counnter attack diode radiating pipelines is as air inlet, and its upper port is as air outlet and extend upward and pass to outside cabinet; The radiator of described counnter attack diode assembly is arranged on counnter attack diode radiating pipe interior.
In such scheme, the air inlet of described counnter attack diode radiating pipeline is provided with pipeline air intake fan, and its air outlet is provided with row of conduits fan, and, in the inside of counnter attack diode radiating pipeline, be also provided with at least one pipe interior fan.
In such scheme, described counnter attack diode radiating pipeline is comprised of mounting panel, biside plate and cover plate, described mounting panel is fixed on the left side wall or right side wall of cabinet, described biside plate is front and back opposing parallel settings, mounting panel connects an edge of biside plate, described cover plate is relative with mounting panel, connects the another side edge of biside plate, thereby make the cross section of counnter attack diode radiating pipeline, is rectangle.
In such scheme, described biside plate two ends are provided with expansion board.
In such scheme, on described cover plate, corresponding to counnter attack diode assembly, offer opening, the counnter attack diode of described counnter attack diode assembly is outstanding from opening, to be electrically connected to.
In such scheme, in described biside plate, the outside of at least one side plate is provided with insulated terminal.
Design principle of the present utility model and the effect of bringing are as follows:
The utility model in cabinet for counnter attack diode design counnter attack diode radiating pipeline, the radiator of counnter attack diode assembly is installed in to the counnter attack diode radiating pipe interior of relative closure, the radiator that makes counnter attack diode assembly hot gas around can be isolated at counnter attack diode radiating pipe interior, and do not enter inner other parts of cabinet, and counnter attack diode radiating pipeline has compared with the better airflow speed of inner other parts of cabinet, outside fast counnter attack diode assembly hot gas band around being offerd for sale like this, make the temperature rise of counnter attack diode assembly be able to effective decline.
Accompanying drawing explanation
Fig. 1 is the front-view schematic diagram of the utility model embodiment, the figure shows after cabinet door is opened and from cabinet front side, to see to the state in cabinet;
Fig. 2 is that the master of the counnter attack diode radiating pipeline of the utility model embodiment looks complete section schematic diagram;
Fig. 3 is that schematic diagram is looked on the right side of Fig. 2;
Fig. 4 be Fig. 2 overlook complete section schematic diagram;
Fig. 5 is that Fig. 4 has installed the schematic diagram after insulated terminal.
In above accompanying drawing: 1, cabinet; 2, counnter attack diode assembly; 21, counnter attack diode; 22, radiator; 3, counnter attack diode radiating pipeline; 31, air inlet; 311, pipeline air intake fan; 32, air outlet; 321, row of conduits fan; 33, mounting panel; 34, side plate; 35, cover plate; 351, opening; 36, pipe interior fan; 37, expansion board; 4, insulated terminal; 5, turnover bus.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described:
Embodiment: shown in Fig. 1-5:
A photovoltaic DC power distribution cabinet, comprises cabinet 1 and is arranged at a plurality of counnter attack diode assemblies 2 in cabinet 1, and each counnter attack diode assembly 2 is by counnter attack diode 21 and be fixed on the radiator 22 on counnter attack diode 21.
Shown in Figure 1, in described cabinet 1, be each side provided with a counnter attack diode radiating pipeline 3, this counnter attack diode radiating pipeline 3 is hollow pipelines of the upper and lower side opening that vertically arranges; Two counnter attack diode radiating pipelines 3) lower port is as air inlet 31, and its upper port is as air outlet 32 and extend upward and pass to outside cabinet 1; The radiator 22 of described counnter attack diode assembly 2 is arranged on counnter attack diode radiating pipeline 3 inside.
Specifically, preferably can on the air inlet 31 of counnter attack diode radiating pipeline 3, establish pipeline air intake fan 311, on its air outlet 32, establish row of conduits fan 321, and, in the inside of counnter attack diode radiating pipeline 3, be also provided with at least one pipe interior fan 36.
Specifically, as shown in Figure 2-5, described counnter attack diode radiating pipeline 3 is comprised of mounting panel 33, biside plate 34 and cover plate 35, described mounting panel 33 is fixed on the left side wall or right side wall of cabinet 1, described biside plate 34 is front and back opposing parallel settings, and mounting panel 33 connects an edge of biside plates 34, and described cover plate 35 is relative with mounting panel 33, the another side edge that connects biside plate 34 is rectangle thereby make the cross section of counnter attack diode radiating pipeline 3.Described biside plate 34 two ends are provided with expansion board 37.
Specifically, as shown in Figure 2,3, on described cover plate 35, corresponding to counnter attack diode assembly 2, offer opening 351, the counnter attack diode 21 of described counnter attack diode assembly 2 is outstanding from opening 351, to pass in and out bus 5, is electrically connected to it.And as shown in Figure 5, in biside plate 34, the outside of at least one side plate 34 is provided with insulated terminal 4, this insulated terminal 4 is for fixing turnover bus 5.
The present embodiment has designed counnter attack diode radiating pipeline 3 for counnter attack diode assembly 2 in cabinet 1, the radiator of counnter attack diode assembly 2 22 is installed in to counnter attack diode radiating pipeline 3 inside of relative closure, the radiator 22 that makes counnter attack diode assembly 2 hot gas around can be isolated in counnter attack diode radiating pipeline 3 inside, and do not enter inner other parts of cabinet 1, and counnter attack diode radiating pipeline 3 has compared with the better airflow speed of inner other parts of cabinet, outside fast counnter attack diode assembly 2 hot gas band around being offerd for sale like this, make the temperature rise of counnter attack diode assembly 2 be able to effective decline.
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 photovoltaic DC power distribution cabinet, comprise cabinet (1) and be arranged at a plurality of counnter attack diode assemblies (2) in cabinet (1), each counnter attack diode assembly (2) comprises counnter attack diode (21) and is fixed on the radiator (22) on counnter attack diode (21); It is characterized in that: be each side provided with a counnter attack diode radiating pipeline (3) in described cabinet (1), this counnter attack diode radiating pipeline (3) is the hollow pipeline of the upper and lower side opening that vertically arranges; The lower port of two counnter attack diode radiating pipelines (3) is as air inlet (31), and its upper port is as air outlet (32) and extend upward and pass to outside cabinet (1); The radiator (22) of described counnter attack diode assembly (2) is arranged on counnter attack diode radiating pipeline (3) inside.
2. photovoltaic DC power distribution cabinet according to claim 1, it is characterized in that: the air inlet (31) of described counnter attack diode radiating pipeline (3) is provided with pipeline air intake fan (311), its air outlet (32) is provided with row of conduits fan (321), and, in the inside of counnter attack diode radiating pipeline (3), be also provided with at least one pipe interior fan (36).
3. photovoltaic DC power distribution cabinet according to claim 1, it is characterized in that: described counnter attack diode radiating pipeline (3) is by mounting panel (33), biside plate (34) and cover plate (35) form, described mounting panel (33) is fixed on the left side wall or right side wall of cabinet (1), described biside plate (34) is front and back opposing parallel settings, mounting panel (33) connects an edge of biside plate (34), described cover plate (35) is relative with mounting panel (33), the another side edge that connects biside plate (34), thereby the cross section that makes counnter attack diode radiating pipeline (3) is rectangle.
4. according to photovoltaic DC power distribution cabinet described in claim 3, it is characterized in that: described biside plate (34) two ends are provided with expansion board (37).
5. photovoltaic DC power distribution cabinet according to claim 3, it is characterized in that: described cover plate (35) is upper offers opening (351) corresponding to counnter attack diode assembly (2), the counnter attack diode (21) of described counnter attack diode assembly (2) is outstanding from opening (351), to be electrically connected to.
6. photovoltaic DC power distribution cabinet according to claim 3, is characterized in that: in described biside plate (34), the outside of at least one side plate (34) is provided with insulated terminal (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320547203.3U CN203481674U (en) | 2013-09-04 | 2013-09-04 | Photovoltaic dc power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320547203.3U CN203481674U (en) | 2013-09-04 | 2013-09-04 | Photovoltaic dc power distribution cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203481674U true CN203481674U (en) | 2014-03-12 |
Family
ID=50229930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320547203.3U Expired - Lifetime CN203481674U (en) | 2013-09-04 | 2013-09-04 | Photovoltaic dc power distribution cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203481674U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112290423A (en) * | 2020-12-15 | 2021-01-29 | 精泰电气集团有限公司 | Power distribution box convenient to overhaul |
-
2013
- 2013-09-04 CN CN201320547203.3U patent/CN203481674U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112290423A (en) * | 2020-12-15 | 2021-01-29 | 精泰电气集团有限公司 | Power distribution box convenient to overhaul |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140312 |