CN220874432U - Solar photovoltaic inverter - Google Patents
Solar photovoltaic inverter Download PDFInfo
- Publication number
- CN220874432U CN220874432U CN202322452289.8U CN202322452289U CN220874432U CN 220874432 U CN220874432 U CN 220874432U CN 202322452289 U CN202322452289 U CN 202322452289U CN 220874432 U CN220874432 U CN 220874432U
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- CN
- China
- Prior art keywords
- fixed
- cooling
- cooling box
- heat
- solar photovoltaic
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- 238000001816 cooling Methods 0.000 claims abstract description 51
- 239000004065 semiconductor Substances 0.000 claims abstract description 19
- 230000017525 heat dissipation Effects 0.000 claims abstract description 17
- 239000000110 cooling liquid Substances 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 claims description 16
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 239000002826 coolant Substances 0.000 claims description 3
- 241000883990 Flabellum Species 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 12
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Abstract
The utility model discloses a solar photovoltaic inverter which comprises a base, wherein fixing holes are formed in four corners of the upper end of a base plate, an inverter body is fixed on one side of the upper end of the base, wire protection sleeves are fixed on the front side wall and the rear side wall of the inverter body, and a cooling box is arranged on one side of the inverter body. The beneficial effects are that: according to the utility model, the cooling box, the cooling liquid, the semiconductor refrigerator, the motor and the fan blades are arranged, the heat conducting plate guides out the heat in the inverter body into the cooling box in the using process of the device, the semiconductor refrigerator can cool the cooling liquid in the heat conducting process, so that the cooling liquid is always in a low-temperature state, the temperature difference at two ends of the heat conducting plate can be increased, the heat dissipation capacity of the device is ensured, the motor drives the fan blades to rotate, the semiconductor refrigerator can be cooled, the refrigerating capacity of the semiconductor refrigerator is ensured, the continuous and efficient heat dissipation can be performed in the inverter body, and the practicability is strong.
Description
Technical Field
The utility model relates to the technical field of photovoltaic inverters, in particular to a solar photovoltaic inverter.
Background
An inverter is a power conditioner composed of semiconductor devices, and is mainly used for converting direct-current power into alternating-current power, and is generally composed of a boost circuit and an inverter bridge circuit. The boosting circuit boosts the direct-current voltage of the solar battery to the direct-current voltage required by the output control of the inverter; the inverter bridge circuit converts the boosted DC voltage equivalently into AC voltage with common frequency.
The existing solar photovoltaic inverter dissipates heat inside the device in a radiating fan mode in the using process, and the temperature in the inverter is equivalent to the external temperature when the external temperature is higher in the radiating process, so that the radiating effect of the device is poor, the temperature in the device is easily high, and the service performance and the service life of the device are affected.
Disclosure of utility model
First, the technical problem to be solved
Aiming at the current state of the art, the utility model provides the solar photovoltaic inverter with good heat dissipation and dust prevention effects, high service performance and long service life.
(II) technical scheme
The utility model is realized by the following technical scheme: the utility model provides a solar photovoltaic inverter, which comprises a base, wherein four corners of the upper end of a base plate are respectively provided with a fixing hole, one side of the upper end of the base is fixedly provided with an inverter body, the front side wall and the rear side wall of the inverter body are respectively fixedly provided with a wire protecting sleeve, one side of the inverter body is provided with a cooling box, a plurality of groups of heat conducting plates are arranged between the cooling box and the inverter body, one end of each heat conducting plate is positioned in the inverter body, the other end of each heat conducting plate is positioned in the cooling box, cooling liquid is filled in each cooling box, one side wall of each cooling box is fixedly provided with a semiconductor refrigerator, one side of each semiconductor refrigerator is provided with a heat dissipation shell, a motor is arranged in each heat dissipation shell, a fan blade is fixedly arranged on an output shaft of the motor, and one end of each heat dissipation shell is provided with a grid plate.
Further, the fixing hole is formed in the base, the inverter body is fixed to the base through a screw, and the wire protection sleeve is formed in the inverter body.
Through adopting above-mentioned technical scheme, the fixed orifices is convenient for install the device fixedly, the dc-to-ac power that the dc-to-ac converter body sent photovoltaic, the protection line cover protects the connecting wire.
Further, the cooling box is fixed on the base through screws, and the heat conducting plates are embedded in the inverter body and the cooling box.
By adopting the technical scheme, in the using process of the device, the heat conducting plate conducts heat in the inverter body into the cooling box.
Further, the semiconductor refrigerator is connected with the cooling box through screws, and one end of the heat conducting plate is immersed in the cooling liquid.
Through adopting above-mentioned technical scheme, in the heat conduction process, the semiconductor refrigerator can be right the coolant liquid cools down, and then makes it be in low temperature state all the time, can increase the difference in temperature at heat conduction board both ends guarantees the heat dispersion of device.
Further, the heat dissipation shell is fixed in the cooling box, the motor is fixed in the heat dissipation shell, and an output shaft of the motor is fixedly connected with the fan blades.
Through adopting above-mentioned technical scheme, the motor drives the flabellum rotates, can dispel the heat to semiconductor refrigerator, and then guarantees its refrigerating capacity.
Further, the grid plate is fixed at one end of the heat dissipation shell through a screw.
By adopting the technical scheme, the grid plate is dustproof.
Further, the upper end of the cooling box is provided with a liquid injection pipe, and a liquid discharge pipe is formed on one side wall of the cooling box adjacent to the heat dissipation shell.
Through adopting above-mentioned technical scheme, annotate the liquid pipe with the fluid-discharge tube combines together can be convenient for to change the coolant liquid.
(III) beneficial effects
Compared with the prior art, the utility model has the following beneficial effects:
In order to solve the problems that the existing solar photovoltaic inverter dissipates heat inside a device in a radiating manner by a radiating fan in the using process, when the external temperature is high, the temperature in the inverter is equal to the external temperature, and the radiating effect of the device is poor, so that the temperature in the device is easily too high, the service performance and the service life of the device are influenced.
Drawings
Fig. 1 is a schematic structural diagram of a solar photovoltaic inverter according to the present utility model;
Fig. 2 is a front cross-sectional view of a cooling box in a solar photovoltaic inverter according to the present utility model;
fig. 3 is a top view of a solar photovoltaic inverter according to the present utility model.
The reference numerals are explained as follows:
1. A liquid discharge pipe; 2. a wire protecting sleeve; 3. a base; 4. a fixing hole; 5. an inverter body; 6. a heat conductive plate; 7. a liquid injection pipe; 8. a cooling box; 9. a grating plate; 10. a heat dissipation shell; 11. a cooling liquid; 12. a fan blade; 13. a motor; 14. a semiconductor refrigerator.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
As shown in fig. 1-3, a solar photovoltaic inverter in this embodiment includes a base 3, fixing holes 4 are formed at four corners of the upper end of a plate of the base 3, an inverter body 5 is fixed at one side of the upper end of the base 3, wire-protecting sleeves 2 are fixed on the front and rear side walls of the inverter body 5, the fixing holes 4 facilitate installation and fixing of the device, the inverter body 5 converts direct current emitted by photovoltaic into alternating current, the wire-protecting sleeves 2 protect connecting wires, a cooling box 8 is arranged at one side of the inverter body 5, a plurality of groups of heat conducting plates 6 are arranged between the cooling box 8 and the inverter body 5, in the using process of the device, the heat conducting plates 6 conduct heat in the inverter body 5 into the cooling box 8, one end of each heat conducting plate 6 is located in the inverter body 5 and the other end is located in the cooling box 8, a cooling liquid 11 is filled in the cooling box 8, a side wall of the cooling box 8 is fixed with a semiconductor refrigerator 14, in the heat conducting process, the semiconductor refrigerator 14 can cool the cooling liquid 11, and further enable the cooling liquid 11 to be always in a low-temperature state, the heat conducting plate 6 can be used for protecting connecting wires, a heat-conducting plate device is provided with a cooling box 10, a heat-dissipating fan blade 13 is arranged at one side of the cooling box, and a heat-conducting shell 13 is provided with a heat-dissipating casing 13, and a heat-conducting shell 13 is provided at one side of the cooling fan blade, and a heat-conducting device is provided with a heat-conducting shell 13.
As shown in fig. 1-3, in this embodiment, the fixing hole 4 is formed on the base 3, the inverter body 5 is fixed on the base 3 by screws, the wire sheath 2 is formed on the inverter body 5, the cooling box 8 is fixed on the base 3 by screws, the heat-conducting plates 6 are embedded in the inverter body 5 and the cooling box 8, the semiconductor refrigerator 14 is connected with the cooling box 8 by screws, and one end of the heat-conducting plate 6 is immersed in the cooling liquid 11.
As shown in fig. 1-3, in this embodiment, a cooling shell 10 is fixed in a cooling box 8, a motor 13 is fixed in the cooling shell 10, an output shaft of the motor 13 is fixedly connected with fan blades 12, a grid plate 9 is fixed at one end of the cooling shell 10 through screws, a liquid injection pipe 7 is formed at the upper end of the cooling box 8, a liquid discharge pipe 1 is formed on one side wall of the cooling box 8 adjacent to the cooling shell 10, and the liquid injection pipe 7 and the liquid discharge pipe 1 are combined to facilitate replacement of cooling liquid 11.
The specific implementation process of this embodiment is as follows: when the device is used, the device is fixed through the fixing hole 4, wiring is carried out, after wiring is completed, in the use process, the inverter body 5 converts direct current emitted by photovoltaic into alternating current, the wire protection sleeve 2 protects a connecting wire, the heat conducting plate 6 guides out heat in the inverter body 5 into the cooling box 8, in the heat conducting process, the semiconductor refrigerator 14 can cool the cooling liquid 11 all the time, the temperature difference at two ends of the heat conducting plate 6 can be increased, the heat dissipation capacity of the device is ensured, the motor 13 drives the fan blades 12 to rotate, the semiconductor refrigerator 14 can dissipate heat, the refrigerating capacity of the motor is ensured, continuous and efficient heat dissipation can be carried out in the inverter body 5, and meanwhile, the liquid injection pipe 7 and the liquid discharge pipe 1 are combined to facilitate replacement of the cooling liquid 11.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. A solar photovoltaic inverter, characterized by: including base (3), fixed orifices (4) have all been seted up in base (3) board upper end four corners department, base (3) upper end one side is fixed with dc-to-ac converter body (5), all be fixed with on both sides wall around dc-to-ac converter body (5) protect line cover (2), dc-to-ac converter body (5) one side is provided with cooling tank (8), cooling tank (8) with install multiunit heat-conducting plate (6) between dc-to-ac converter body (5), heat-conducting plate (6) one end is in dc-ac converter body (5) and the other end is in cooling tank (8), cooling tank (8) intussuseption is filled with coolant liquid (11), be fixed with semiconductor refrigerator (14) on one side wall of cooling tank (8), semiconductor refrigerator (14) one side is provided with heat dissipation shell (10), install motor (13) in heat dissipation shell (10), be fixed with flabellum (12) on the output shaft of motor (13), grid tray (9) are installed to shell (10) one end.
2. A solar photovoltaic inverter according to claim 1, characterized in that: the fixing holes (4) are formed in the base (3), the inverter body (5) is fixed on the base (3) through screws, and the wire protection sleeve (2) is formed on the inverter body (5).
3. A solar photovoltaic inverter according to claim 1, characterized in that: the cooling box (8) is fixed on the base (3) through screws, and the heat conducting plates (6) are embedded in the inverter body (5) and the cooling box (8).
4. A solar photovoltaic inverter according to claim 1, characterized in that: the semiconductor refrigerator (14) is connected with the cooling box (8) through screws, and one end of the heat conducting plate (6) is immersed in the cooling liquid (11).
5. A solar photovoltaic inverter according to claim 4, wherein: the cooling box is characterized in that the cooling shell (10) is fixed in the cooling box (8), the motor (13) is fixed in the cooling shell (10), and an output shaft of the motor (13) is fixedly connected with the fan blades (12).
6. A solar photovoltaic inverter according to claim 5, wherein: the grid plate (9) is fixed at one end of the heat dissipation shell (10) through a screw.
7. A solar photovoltaic inverter according to claim 5, wherein: the upper end of the cooling box (8) is provided with a liquid injection pipe (7), and a liquid discharge pipe (1) is formed on one side wall of the cooling box (8) adjacent to the heat dissipation shell (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322452289.8U CN220874432U (en) | 2023-09-11 | 2023-09-11 | Solar photovoltaic inverter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322452289.8U CN220874432U (en) | 2023-09-11 | 2023-09-11 | Solar photovoltaic inverter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220874432U true CN220874432U (en) | 2024-04-30 |
Family
ID=90806654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322452289.8U Active CN220874432U (en) | 2023-09-11 | 2023-09-11 | Solar photovoltaic inverter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220874432U (en) |
-
2023
- 2023-09-11 CN CN202322452289.8U patent/CN220874432U/en active Active
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