CN203491553U - Photovoltaic direct-current power-distribution cabinet - Google Patents
Photovoltaic direct-current power-distribution cabinet Download PDFInfo
- Publication number
- CN203491553U CN203491553U CN201320547373.1U CN201320547373U CN203491553U CN 203491553 U CN203491553 U CN 203491553U CN 201320547373 U CN201320547373 U CN 201320547373U CN 203491553 U CN203491553 U CN 203491553U
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- cabinet
- counnter attack
- attack diode
- diode radiating
- pipeline
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Abstract
The utility model discloses a photovoltaic direct-current power-distribution cabinet, and the cabinet comprises a cabinet body (1) and a plurality of reverse-blocking diodes (2). The lower part of a front gate (11) of the cabinet body (1) is provided with a front vent hole (111), and the lower part of a rear gate (12) of the cabinet body (1) is provided with a rear vent hole (121). The left and right sides in the cabinet body (1) are respectively equipped with a reverse-blocking diode heat-dissipation pipeline (3). A first heat-dissipation air channel passes through the front and rear vent holes (111, 121) upwards, and passes through the reverse-blocking diode heat-dissipation pipelines (3). Moreover, the top surface of the cabinet body (1) is provided with a column of vent holes (4). A second heat-dissipation air channel passes through the front and rear vent holes (111, 121) at the lower part of the cabinet body (1) upwards, passes through space between the reverse-blocking diode heat-dissipation pipelines (3), and then passes through the vent holes (4). In use, the first heat-dissipation air channel enables the heat of the reverse-blocking diodes (2) to be dissipated, thereby meeting the requirements of the limit temperature rise of the reverse-blocking diodes (2). The second heat-dissipation air channel enables the heat generated by other heating elements in the cabinet to be effectively dissipated.
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, has the heat dissipation wind channel for other heater elements in the heat dissipation wind channel of counnter attack diode and cabinet, solves the heat dissipation problem of counnter attack diode and other heater elements simultaneously, reduces temperature rise in cabinet.
For achieving the above object, the technical solution adopted in the utility model is: a kind of photovoltaic DC power distribution cabinet, and comprise cabinet and be arranged at a plurality of counnter attack diodes in cabinet, cabinet front is provided with Qianmen, and the cabinet back side is provided with back door; Bottom, described Qianmen is provided with front blow vent, and bottom, back door is provided with rear blow vent;
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; Within described counnter attack diode is arranged at counnter attack diode radiating pipeline or on the tube wall of counnter attack diode radiating pipeline; With this, from the blow vent of cabinet bottom, rear blow vent, upwards through the two counnter attack diode radiating pipelines pass-out that makes progress, form the first heat dissipation wind channel;
And, on described cabinet end face, between two counnter attack diode radiating pipelines, be provided with an exhaust outlet, and on this exhaust outlet, ventilating fan is installed, with this, space to the exhaust outlet making progress between two counnter attack diode radiating pipelines from the blow vent of cabinet bottom, rear blow vent forms the second heat dissipation wind channel.
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, 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, the bottom at described Qianmen is provided with front ventilation mesh plate, and the hole of the array on this front ventilation mesh plate forms described front blow vent; The bottom at described back door is provided with rear ventilation mesh plate, and the hole of the array on this rear ventilation mesh plate forms described rear blow vent.
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 the first heat dissipation wind channel, for other heater elements have designed the second heat dissipation wind channel, and, two kinds of heat dissipation wind channel connection and reasonable arrangement.During use, the first heat dissipation wind channel is directly discharged the heat of counnter attack diode outside cabinet, the temperature rise of counnter attack diode is declined, both met the maximum temperature-rise requirement of counnter attack diode, the heat that makes again counnter attack diode produce all isolates from counnter attack diode radiating pipe interior, can other heater elements in cabinet not exerted an influence; The second heat dissipation wind channel also effectively sheds the heat that in cabinet, other heater elements produce, and is guaranteed that all heater elements of DC power distribution cabinet all can normally be worked.
Accompanying drawing explanation
Fig. 1 is the front-view schematic diagram of the utility model embodiment, after the figure shows Qianmen and opening, sees to the state in cabinet from cabinet front side;
Fig. 2 is the side-looking cross-sectional schematic of the utility model embodiment, the figure shows the state of seeing from cabinet left side;
Fig. 3 is that the master of the counnter attack diode radiating pipeline of the utility model embodiment looks schematic diagram;
Fig. 4 be Fig. 3 the right side look schematic diagram.
In above accompanying drawing: 1, cabinet; 11, Qianmen; 111, front blow vent; 112, front ventilation mesh plate; 12, back door; 121, rear blow vent; 122, rear ventilation mesh plate; 2, counnter attack diode; 21, 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; 36, pipe interior fan; 4, exhaust outlet; 41, ventilating fan.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described:
Embodiment: shown in Fig. 1-4:
A photovoltaic DC power distribution cabinet, shown in Fig. 1-4, comprises cabinet 1 and is arranged at a plurality of counnter attack diodes 2 in cabinet 1, cabinet 1 front is provided with Qianmen 11, and cabinet 1 back side is provided with back door 12.11 bottoms, described Qianmen are provided with front blow vent 111, and 12 bottoms, back door are provided with rear blow vent 121, and convection gas enters in cabinet from above-mentioned blow vent 111 and rear blow vent 121.
Shown in Fig. 1-4, 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.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; Within described counnter attack diode 2 is arranged at counnter attack diode radiating pipeline 3 or on the tube wall of counnter attack diode radiating pipeline 3; With this, from the blow vent 111 of cabinet 1 bottom, rear blow vent 121 upwards through two counnter attack diode radiating pipelines 3 upwards pass-out form the first heat dissipation wind channel.And, on described cabinet 1 end face, between two counnter attack diode radiating pipelines 3, be provided with an exhaust outlet 4, and on this exhaust outlet 4, ventilating fan 41 is installed, with this, the space making progress between two counnter attack diode radiating pipelines 3 from the blow vent 111 of cabinet 1 bottom, rear blow vent 121 to exhaust outlet 4 forms the second heat dissipation wind channels.
Counnter attack diode radiating pipeline 3 can be holistic tubular body, but preferred, counnter attack diode radiating pipeline 3 is shown in shown in Fig. 3, Fig. 4, can be formed by 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, 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 is rectangle thereby make the cross section of counnter attack diode radiating pipeline 3.
Specifically, on described each counnter attack diode 2, be fixed with radiator 21, each radiator 21 is installed in the inside of counnter attack diode radiating pipeline 3, and the opening of counnter attack diode 2 from cover plate 35 protrudes from outside pipe hot channel 3.Specifically as Figure 1-3, on each counnter attack diode radiating pipeline 3, be respectively provided with four counnter attack diodes 2.
Preferably, on the air inlet 31 of counnter attack diode radiating pipeline 3, be 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, as Figure 1-3, specifically be provided with three pipe interior fans 36, these three pipe interior fans 36 are just in time corresponding is separated in four counnter attack diodes 2 between any two, thereby make air-flow under the stopping of radiator 21 that runs into counnter attack diode 2, flow velocity does not reduce yet, thereby improves radiating effect.
Specifically, the mesh plate 112 of ventilating before the bottom at described Qianmen 11 is provided with, the hole of the array on this front ventilation mesh plate 112 forms described front blow vent 111; The bottom at described back door 12 is provided with rear ventilation mesh plate 122, and the hole of the array on this rear ventilation mesh plate 122 forms described rear blow vent 121.
The process of dispelling the heat during use is as follows: as shown in Figure 1, after air-flow the past blow vent 111 and rear blow vent 121 enter in cabinet, enter respectively two counnter attack diode radiating pipeline 3 and cabinet internal cavities, the air-flow that enters counnter attack diode radiating pipeline 3 is discharged outside cabinet through counnter attack diode radiating pipeline 3, realizes the heat radiation to counnter attack diode; And the air-flow of cabinet internal cavity is finally discharged outside cabinets by the ventilating fan 41 of the exhaust outlet 4 at cabinet top, realize the heat radiation to other elements in cabinet.
And, because counnter attack diode 2 itself or the radiator 21 on it are positioned at the inside of the counnter attack diode radiating pipeline 3 of relative closure, thereby the counnter attack diode 2 isolated inside at counnter attack diode radiating pipeline 3 of hot gas energy around, and do not enter inner other parts of cabinet, and counnter attack diode radiating pipeline 3 has compared with the inner better airflow speed of cabinet, outside fast counnter attack diode 2 hot gas band around being offerd for sale like this, met the maximum temperature-rise requirement of counnter attack diode 2.
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 (4)
1. a photovoltaic DC power distribution cabinet, comprises cabinet (1) and is arranged at a plurality of counnter attack diodes (2) in cabinet (1), and cabinet (1) front is provided with Qianmen (11), and cabinet (1) back side is provided with back door (12); It is characterized in that: bottom, described Qianmen (11) is provided with front blow vent (111), bottom, back door (12) is provided with rear blow vent (121);
Each side be 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); Within described counnter attack diode (2) is arranged at counnter attack diode radiating pipeline (3) or on the tube wall of counnter attack diode radiating pipeline (3); With this, from the blow vent (111) of cabinet (1) bottom, rear blow vent (121) upwards through two counnter attack diode radiating pipelines (3) upwards pass-out form the first heat dissipation wind channel;
And, on described cabinet (1) end face, between two counnter attack diode radiating pipelines (3), be provided with an exhaust outlet (4), and ventilating fan (41) is installed on this exhaust outlet (4), with this, from the blow vent (111) of cabinet (1) bottom, space to the exhaust outlet (4) that rear blow vent (121) makes progress between two counnter attack diode radiating pipelines (3), form the second heat dissipation wind channel.
2. 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.
3. 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).
4. photovoltaic DC power distribution cabinet according to claim 1, is characterized in that: the bottom of described Qianmen (11) is provided with front ventilation mesh plate (112), and the hole of the array on this front ventilation mesh plate (112) forms described front blow vent (111); The bottom at described back door (12) is provided with rear ventilation mesh plate (122), and the hole of the array on this rear ventilation mesh plate (122) forms described rear blow vent (121).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320547373.1U CN203491553U (en) | 2013-09-04 | 2013-09-04 | Photovoltaic direct-current power-distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320547373.1U CN203491553U (en) | 2013-09-04 | 2013-09-04 | Photovoltaic direct-current power-distribution cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203491553U true CN203491553U (en) | 2014-03-19 |
Family
ID=50262356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320547373.1U Expired - Lifetime CN203491553U (en) | 2013-09-04 | 2013-09-04 | Photovoltaic direct-current power-distribution cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203491553U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105529640A (en) * | 2016-02-02 | 2016-04-27 | 江苏万丰电气有限公司 | Whirlwind type cooled electrical cabinet |
| KR20190102049A (en) * | 2017-02-07 | 2019-09-02 | 무라다기카이가부시끼가이샤 | stalker |
-
2013
- 2013-09-04 CN CN201320547373.1U patent/CN203491553U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105529640A (en) * | 2016-02-02 | 2016-04-27 | 江苏万丰电气有限公司 | Whirlwind type cooled electrical cabinet |
| KR20190102049A (en) * | 2017-02-07 | 2019-09-02 | 무라다기카이가부시끼가이샤 | stalker |
| CN110225868A (en) * | 2017-02-07 | 2019-09-10 | 村田机械株式会社 | Repository |
| JPWO2018146986A1 (en) * | 2017-02-07 | 2019-12-12 | 村田機械株式会社 | Stocker |
| KR102227859B1 (en) | 2017-02-07 | 2021-03-15 | 무라다기카이가부시끼가이샤 | stalker |
| US11222803B2 (en) | 2017-02-07 | 2022-01-11 | Murata Machinery, Ltd. | Stocker |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140319 |
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| CX01 | Expiry of patent term |