CN212137609U - Photovoltaic inverter heat dissipation bin - Google Patents
Photovoltaic inverter heat dissipation bin Download PDFInfo
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- CN212137609U CN212137609U CN202020819584.6U CN202020819584U CN212137609U CN 212137609 U CN212137609 U CN 212137609U CN 202020819584 U CN202020819584 U CN 202020819584U CN 212137609 U CN212137609 U CN 212137609U
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- heat dissipation
- fan
- radiator
- filter
- inductance
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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 relates to a photovoltaic inverter heat dissipation storehouse technical field, in particular to a photovoltaic inverter heat dissipation storehouse, including the heat dissipation storehouse body, the internal chamber of heat dissipation storehouse is equipped with radiator, bus-bar capacitance, more than two from last to the fan that arranges in proper order down, more than two from last to the filter inductance that arranges in proper order down and more than two boost inductances, and the fan is located the internal chamber of heat dissipation storehouse, can receive good protection, and the air inlet temperature is lower, ensures the long-life and stable work of fan; the fan is positioned between the radiator and the filter inductor, so that the fan directly blows air to the radiator, the air channel is short, the wind resistance is small, the radiating efficiency is high, and the service life of the bus capacitor is prolonged; the bus capacitor is placed in the inner cavity of the heat dissipation bin body, so that the problem that electrolyte causes pollution which is difficult to recover to electronic components inside the case when the bus capacitor is damaged and burst can be avoided, and the maintenance cost is reduced.
Description
Technical Field
The utility model relates to a photovoltaic inverter heat dissipation storehouse technical field, in particular to photovoltaic inverter heat dissipation storehouse.
Background
Along with the great improvement of the power of a single photovoltaic inverter, the system heat dissipation problem is increasingly prominent; on one hand, a fan with higher power is adopted for forced air cooling, and on the other hand, a circuit topology with lower loss is adopted to reduce the heat productivity of the system; however, the great increase of the power of the inverter not only causes the great increase of the loss of the power device, but also greatly increases the temperature rise of the boost inductor and the output filter inductor, and how to process the heat dissipation layout of the boost inductor and the output filter inductor is very important; and with the use of high-power fans under harsh outdoor conditions, the protection and life of the fan also need to be considered in the heat dissipation design; in addition, the power density of the high-power inverter is further improved, the temperature in the case is very high and even reaches more than 80 ℃, and the fragile bus capacitor is easily damaged in service life.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to solve the technical problems that: provided is a photovoltaic inverter heat dissipation bin.
In order to solve the technical problem, the utility model discloses a technical scheme be:
the utility model provides a photovoltaic inverter heat dissipation storehouse, includes the heat dissipation storehouse body, this internal chamber of heat dissipation storehouse is equipped with radiator, bus-bar capacitance, two above from last to down the fan of arranging in proper order, two above from last filter inductance and the more than two inductance that steps up of arranging in proper order down, the radiator sets up in one side of this internal chamber of heat dissipation storehouse, more than two filter inductance all sets up the opposite side relative in one side of this internal chamber of heat dissipation storehouse, more than two the fan all set up between radiator and filter inductance and with radiator and filter inductance between all be equipped with the interval, more than two the inductance that steps up all sets up in the radiator below, bus-bar capacitance sets up in one side of this internal chamber of heat dissipation storehouse and is located filter inductance and steps up between the inductance.
Further, a distance is arranged between every two adjacent filter inductors.
Further, a distance is arranged between every two adjacent boosting inductors.
Further, the bus capacitor is arranged between the filter inductor located at the lowest part and the boosting inductor located at one side closest to the inner cavity of the heat dissipation bin body, and distances are arranged between the bus capacitor and the boosting inductor located at the lowest part and one side closest to the inner cavity of the heat dissipation bin body respectively.
Furthermore, the horizontal cross sections of the filter inductor and the boost inductor are both circular or polygonal.
The beneficial effects of the utility model reside in that:
the fan is positioned in the inner cavity of the radiating bin body, can be well protected, has low air inlet temperature, and ensures the long service life and stable work of the fan; the fan is positioned between the radiator and the filter inductor, so that the fan directly blows air to the radiator, the air channel is short, the wind resistance is small, the radiating efficiency is high, and the service life of the bus capacitor is prolonged; the bus capacitor is placed in the inner cavity of the heat dissipation bin body, so that the problem that electrolyte causes the pollution which is difficult to recover to electronic components inside the case (namely, outside the heat dissipation bin body) when the bus capacitor is damaged and burst can be avoided, and the maintenance cost is reduced.
Drawings
Fig. 1 is a schematic structural diagram of a heat dissipation bin of a photovoltaic inverter according to the present invention;
fig. 2 is a schematic structural diagram of a heat dissipation bin of a photovoltaic inverter according to the present invention;
fig. 3 is a schematic structural diagram of a heat dissipation bin of a photovoltaic inverter according to the present invention;
description of reference numerals:
1. a heat sink; 2. a bus capacitor; 3. a fan; 4. a filter inductor; 5. and a boost inductor.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1, the technical solution provided by the present invention is:
the utility model provides a photovoltaic inverter heat dissipation storehouse, includes the heat dissipation storehouse body, this internal chamber of heat dissipation storehouse is equipped with radiator, bus-bar capacitance, two above from last to down the fan of arranging in proper order, two above from last filter inductance and the more than two inductance that steps up of arranging in proper order down, the radiator sets up in one side of this internal chamber of heat dissipation storehouse, more than two filter inductance all sets up the opposite side relative in one side of this internal chamber of heat dissipation storehouse, more than two the fan all set up between radiator and filter inductance and with radiator and filter inductance between all be equipped with the interval, more than two the inductance that steps up all sets up in the radiator below, bus-bar capacitance sets up in one side of this internal chamber of heat dissipation storehouse and is located filter inductance and steps up between the inductance.
From the above description, the beneficial effects of the present invention are:
the fan is positioned in the inner cavity of the radiating bin body, can be well protected, has low air inlet temperature, and ensures the long service life and stable work of the fan; the fan is positioned between the radiator and the filter inductor, so that the fan directly blows air to the radiator, the air channel is short, the wind resistance is small, the radiating efficiency is high, and the service life of the bus capacitor is prolonged; the bus capacitor is placed in the inner cavity of the heat dissipation bin body, so that the problem that electrolyte causes the pollution which is difficult to recover to electronic components inside the case (namely, outside the heat dissipation bin body) when the bus capacitor is damaged and burst can be avoided, and the maintenance cost is reduced.
Further, a distance is arranged between every two adjacent filter inductors.
According to the above description, the distance is arranged between the two adjacent filter inductors, so that the heat dissipation effect inside the heat dissipation bin body can be further improved.
Further, a distance is arranged between every two adjacent boosting inductors.
From the above description, it can be known that, the interval is arranged between two adjacent boosting inductors, and the heat dissipation effect inside the heat dissipation bin body can be further improved.
Further, the bus capacitor is arranged between the filter inductor located at the lowest part and the boosting inductor located at one side closest to the inner cavity of the heat dissipation bin body, and distances are arranged between the bus capacitor and the boosting inductor located at the lowest part and one side closest to the inner cavity of the heat dissipation bin body respectively.
As can be seen from the above description, by providing the above structure, the heat dissipation effect inside the heat dissipation bin body can be further improved.
Furthermore, the horizontal cross sections of the filter inductor and the boost inductor are both circular or polygonal.
Referring to fig. 1 to fig. 3, a first embodiment of the present invention is:
referring to fig. 1, a heat dissipation bin of a photovoltaic inverter includes a heat dissipation bin body, a heat sink 1 (employing a tooth-forming heat sink with specification parameter of 430mm 275mm 102mm, the manufacturer is guangdong xuan heat energy), a bus capacitor 2 (employing a capacitor with specification parameter of 470uF/550V, the manufacturer is south tom river sea), more than two fans 3 (employing a fan with specification parameter of 12V/1.2A, the manufacturer is taida electronics), more than two filter inductors 4 (employing an inductor with inductance value of 200uH, the manufacturer is jiek) and more than two boost inductors 5 (employing an inductor with inductance value of 500uH, the manufacturer is jiek) are sequentially arranged in an inner cavity of the heat dissipation bin body, the heat sink 1 is disposed on one side of the inner cavity of the heat dissipation bin body, the more than two filter inductors 4 are disposed on the other side of the inner cavity of the heat dissipation bin body opposite to each other side, more than two fan 3 all set up between radiator 1 and filter inductance 4 and all be equipped with the interval between radiator 1 and the filter inductance 4, more than two boost inductance 5 all sets up in radiator 1 below, bus capacitor 2 sets up in the one side of this internal chamber of heat dissipation storehouse and is located filter inductance 4 and boost inductance 5 between.
A distance is arranged between two adjacent filter inductors 4, and the distance between two adjacent filter inductors 4 ranges from 10mm to 50mm, preferably 25 mm.
A distance is arranged between every two adjacent boosting inductors 5, and the range of the distance between every two adjacent boosting inductors 5 is 5mm-20mm, preferably 10 mm.
The horizontal cross sections of the filter inductor 4 and the boosting inductor 5 are both circular or polygonal.
The fan 3 is arranged in the inner cavity of the heat dissipation bin body, and certain distances need to be kept between the fan 3 and the filter inductor 4 and between the fan 3 and the heat sink 1 so as to reduce the wind resistance of the fan 3, which brings certain difficulty to the shape design and layout of devices such as inductors and the like; therefore, the filter inductor 4 and the boost inductor 5 of the present solution cannot adopt an integral encapsulation solution, need to be encapsulated separately or by several inductors, and adopt a cylindrical or polygonal housing, or adopt a shorter housing with a streamline shape.
In the actual layout, the filter inductor 4 with stable heat productivity is placed at the air inlet, so that the air inlet temperature of the fan 3 can be controlled; the boost inductor 5, which may generate a large amount of heat, is disposed at the bottom of the heat dissipation bin body (i.e., below the heat sink 1), and a fan 3 (see fig. 2 and 3) or a half of the fan 3 (see fig. 1) is used to dissipate the heat.
The radiator 1 designed by the scheme is positioned on one side of the radiating bin body, the filter inductor 4 and the bus capacitor 2 are positioned on the other side, opposite to one side of the radiating bin body, the fan 3 is arranged between the filter inductor 4 and the radiator 1, the boosting inductor 5 is arranged at the bottom of the radiating bin body, air of the fan 3 blows from the right to the left (namely the direction from the filter inductor 4 to the radiator 1), the radiator 1 with the largest heating value is positioned in a main air duct, and efficient blowing and radiating are adopted; the filter inductor 4 and the bus capacitor 2 are also positioned in the main air duct, and air draft is adopted for heat dissipation; the boost inductor 5 is located in the auxiliary air duct, most of the boost inductor is used for blowing and radiating, and one of the boost inductor is used for exhausting and radiating.
In summary, according to the photovoltaic inverter heat dissipation bin provided by the utility model, the fan is located in the inner cavity of the heat dissipation bin body, so that the heat dissipation bin can be well protected, the air inlet temperature is low, and the long service life and stable work of the fan are ensured; the fan is positioned between the radiator and the filter inductor, so that the fan directly blows air to the radiator, the air channel is short, the wind resistance is small, the radiating efficiency is high, and the service life of the bus capacitor is prolonged; the bus capacitor is placed in the inner cavity of the heat dissipation bin body, so that the problem that electrolyte causes the pollution which is difficult to recover to electronic components inside the case (namely, outside the heat dissipation bin body) when the bus capacitor is damaged and burst can be avoided, and the maintenance cost is reduced.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (5)
1. The utility model provides a photovoltaic inverter heat dissipation storehouse, a serial communication port, including the heat dissipation storehouse body, this internal chamber of heat dissipation storehouse is equipped with radiator, bus-bar capacitance, more than two from last to the fan of arranging in proper order down, more than two from last filter inductance and the more than two inductance that steps up of arranging in proper order down, the radiator sets up in one side of this internal chamber of heat dissipation storehouse, more than two filter inductance all sets up the opposite side relative in one side of this internal chamber of heat dissipation storehouse, more than two the fan all set up between radiator and filter inductance and with radiator and filter inductance between all be equipped with the interval, more than two the inductance that steps up all sets up in the radiator below, bus-bar capacitance sets up in one side of this internal chamber of heat dissipation storehouse and is located filter inductance and steps up between the inductance.
2. The pv inverter thermal dissipation chamber of claim 1, wherein a gap is provided between two adjacent filter inductors.
3. The pv inverter thermal dissipation chamber of claim 1, wherein a gap is provided between two adjacent boost inductors.
4. The pv inverter thermal dissipation chamber of claim 1, wherein the bus capacitor is disposed between the lowest filter inductor and the boost inductor located on the side closest to the interior cavity of the thermal dissipation chamber body, and the bus capacitor is spaced from the lowest filter inductor and the boost inductor located on the side closest to the interior cavity of the thermal dissipation chamber body, respectively.
5. The pv inverter thermal compartment of claim 1, wherein the filter inductor and the boost inductor are both circular or polygonal in horizontal cross-section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020819584.6U CN212137609U (en) | 2020-05-15 | 2020-05-15 | Photovoltaic inverter heat dissipation bin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020819584.6U CN212137609U (en) | 2020-05-15 | 2020-05-15 | Photovoltaic inverter heat dissipation bin |
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| Publication Number | Publication Date |
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| CN212137609U true CN212137609U (en) | 2020-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020819584.6U Active CN212137609U (en) | 2020-05-15 | 2020-05-15 | Photovoltaic inverter heat dissipation bin |
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| CN (1) | CN212137609U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115664333A (en) * | 2022-12-26 | 2023-01-31 | 宁波欧达光电有限公司 | Photovoltaic inverter |
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2020
- 2020-05-15 CN CN202020819584.6U patent/CN212137609U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115664333A (en) * | 2022-12-26 | 2023-01-31 | 宁波欧达光电有限公司 | Photovoltaic inverter |
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