CN211579893U - Heat dissipation system based on power station type photovoltaic inverter - Google Patents
Heat dissipation system based on power station type photovoltaic inverter Download PDFInfo
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- CN211579893U CN211579893U CN202020601855.0U CN202020601855U CN211579893U CN 211579893 U CN211579893 U CN 211579893U CN 202020601855 U CN202020601855 U CN 202020601855U CN 211579893 U CN211579893 U CN 211579893U
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- cabinet body
- photovoltaic inverter
- heat dissipation
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- vortex tube
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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
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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Abstract
The utility model discloses a cooling system based on a station type photovoltaic inverter, which comprises a cabinet body, a vortex tube, a compressor, a temperature sensor and a controller, wherein flow guide plates are arranged on the left side wall and the right side wall close to the cabinet body, a flow equalizing plate is arranged on the bottom close to the cabinet body, the lower ends of the two flow guide plates are respectively connected with the two ends of the flow equalizing plate, and the inner walls of the two flow guide plates, the flow equalizing plate and the cabinet body form a flow guide layer; the cold air end of the vortex tube is communicated with the bottom of the cabinet body through a connecting pipeline, the air inlet is connected with a compressor arranged on the ground through an air transmission pipeline, and a control valve for controlling compressed air to flow into the vortex tube is arranged on the air transmission pipeline; the temperature sensor and the control valve are electrically connected with the controller. The device can perform extremely fast refrigeration on the power station type photovoltaic inverter, has good refrigeration effect and prolonged service life, and can play an emergency role in the power station type photovoltaic inverter with abnormally increased temperature.
Description
Technical Field
The utility model relates to an inverter heat dissipation field, concretely relates to cooling system based on power station type photovoltaic inverter.
Background
With continuous development and progress of the photovoltaic inverter, the shape and size of the photovoltaic inverter are not consistent, the existing heat dissipation for the photovoltaic inverter generally only adopts a natural cooling or air cooling mode for heat dissipation, the natural cooling means that air is driven to carry out convection heat dissipation by means of buoyancy generated by temperature change, and the air cooling means that heat is driven by means of an exhaust fan and the like. However, for the power station type photovoltaic inverter of the industrial factory building, when the industrial factory building operates, the power consumption rises rapidly, the temperature of the photovoltaic inverter rises rapidly, the existing natural cooling or air cooling can only carry out cooling in a small range, the power station type photovoltaic inverter cannot be cooled in a large range at the highest speed, the cooling effect is poor, and the service life of the photovoltaic inverter is easy to reduce.
SUMMERY OF THE UTILITY MODEL
To the above prior art, an object of the utility model is to provide a cooling system based on power station type photovoltaic inverter, can realize carrying out utmost point speed cooling, refrigeration effect good to power station type photovoltaic inverter through the combination on vortex tube and water conservancy diversion layer.
The utility model discloses a following technical scheme realizes:
a heat dissipation system based on a power station type photovoltaic inverter comprises a cabinet body provided with the photovoltaic inverter, a vortex tube arranged at the bottom of the cabinet body, a compressor used for providing compressed air, a temperature sensor and a controller;
the left side wall and the right side wall close to the cabinet body are respectively provided with a guide plate, the bottom close to the cabinet body is provided with a flow equalizing plate, the lower ends of the two guide plates are respectively connected with the two ends of the flow equalizing plate, and the two guide plates, the flow equalizing plate and the inner wall of the cabinet body form a flow guide layer;
the vortex tube comprises a cold air end, a hot air end and an air inlet, wherein the cold air end is used for inputting cold air to the diversion layer, the vortex tube is buried underground, the cold air end is communicated with the bottom of the cabinet body through a connecting pipeline, the hot air end discharges hot air to the ground through an exhaust pipeline, the air inlet is connected with the compressor arranged on the ground through an air transmission pipeline, and a control valve used for controlling the compressed air to flow into the vortex tube is arranged on the air transmission pipeline;
the temperature sensor set up in the cabinet is internal in order to be used for the collection place the temperature of intracavity, temperature sensor control valve all with controller electric connection.
Optionally, the guide plate is provided with a plurality of guide holes.
Furthermore, each flow guide hole is arranged in a shutter type.
Optionally, a plurality of vent holes are uniformly distributed on the flow equalizing plate.
Further, the shape of the vent hole comprises at least one of a circle, an ellipse, a triangle, a quadrangle and a polygon.
Optionally, a threaded hole for screwing the connecting pipeline is formed in the bottom of the cabinet body.
Optionally, the cabinet body is made of aluminum alloy.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
the utility model provides a cooling system based on station type photovoltaic inverter, through the combination design on vortex tube and water conservancy diversion layer, it is internal to let in the cabinet uniformly for the cold air, realize carrying out the utmost point speed refrigeration to station type photovoltaic inverter, still through controller and temperature sensor, the control valve is connected, can make the internal temperature of monitoring cabinet at any time, further come the on-off state of control valve, realize whole radiating process's automation, this device can carry out the utmost point speed refrigeration to photovoltaic inverter, the refrigeration effect is good, and service life is prolonged, can play emergent effect to the station type photovoltaic inverter that the temperature risees unusually.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 is a schematic structural diagram of a heat dissipation system based on a station-type photovoltaic inverter according to an embodiment of the present invention;
fig. 2 is a functional module architecture diagram of a heat dissipation system based on a station-type photovoltaic inverter according to an embodiment of the present invention;
reference numbers and corresponding part names:
1-cabinet body, 11-guide plate, 111-guide hole, 12-flow equalizing plate, 121-vent hole, 13-guide layer, 14-threaded hole, 2-vortex tube, 21-cold air end, 22-hot air end, 23-air inlet, 24-connecting pipeline, 25-exhaust pipeline, 26-gas transmission pipeline, 261-control valve, 3-compressor, 4-temperature sensor and 5-controller.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: it is not necessary to employ these specific details to practice the invention. In other instances, well-known structures, circuits, materials, or methods have not been described in detail so as not to obscure the present invention.
Throughout the specification, reference to "one embodiment," "an embodiment," "one example," or "an example" means: the particular features, structures, or characteristics described in connection with the embodiment or example are included in at least one embodiment of the present invention. Thus, the appearances of the phrases "one embodiment," "an embodiment," "one example" or "an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Further, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and are not necessarily drawn to scale. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The photovoltaic inverter adaptive to the existing industrial factory building is a power station type photovoltaic inverter, while the power of a general power station type photovoltaic inverter is 30-1000 kw, even larger, and larger in volume, when the photovoltaic inverter works, the generated current is larger, so that the temperature of the photovoltaic inverter can rise rapidly, however, the existing natural cooling or air cooling mode is adopted to refrigerate the power station type photovoltaic inverter, the refrigeration effect is extremely poor, parts in the photovoltaic inverter are easily damaged, and the service life of the photovoltaic inverter is shortened.
Therefore, the utility model discloses to the not enough of current adoption nature forced air cooling or air-cooled mode existence, provide a cooling system based on power station type photovoltaic inverter, mainly utilize the extremely fast refrigeration characteristic of vortex tube and use with the internal water conservancy diversion layer cooperation of cabinet, when the temperature that places the internal temperature sensor of cabinet and gather risees to a certain higher temperature value, this device can realize carrying out extremely fast cooling to photovoltaic inverter, play emergent effect, be favorable to improving photovoltaic inverter's life-span, guarantee the normal clear of whole industry factory building operation.
Examples
As shown in fig. 1, the utility model provides a heat dissipation system based on station type photovoltaic inverter, including the cabinet body 1 that is equipped with photovoltaic inverter, still include the vortex tube 2 that sets up in the bottom of the cabinet body 1, be used for providing the compressor 3 of compressed air, temperature sensor 4 and controller (not shown in the figure);
the left side wall and the right side wall close to the cabinet body 1 are respectively provided with a guide plate 11, the bottom close to the cabinet body 1 is provided with a flow equalizing plate 12, the lower ends of the two guide plates 11 are respectively connected with the two ends of the flow equalizing plate 12, and the two guide plates 11, the flow equalizing plate 12 and the inner wall of the cabinet body 1 form a flow guiding layer 13;
the vortex tube 2 comprises a cold air end 21, a hot air end 22 and an air inlet 23, wherein the cold air end 21 is used for inputting cold air to the flow guide layer 13, the vortex tube 2 is buried underground, the cold air end 21 is communicated with the bottom of the cabinet body 1 through a connecting pipeline 24, the hot air end 22 discharges hot air to the ground through an exhaust pipeline 25, the air inlet 23 is connected with a compressor 3 arranged on the ground through an air transmission pipeline 26, and a control valve 261 used for controlling compressed air to flow into the vortex tube 2 is arranged on the air transmission pipeline 26;
the vortex tube 2 and the flow guide layer 13 formed by the flow guide plate 11, the flow equalizing plate 12 and the inner wall of the cabinet body 1 are arranged at the bottom of the cabinet body 1, and then the cold air with lower temperature output from the cold air section of the vortex tube 2 is directly cooled in multiple directions through the flow guide layer 13, so that the extreme-speed cooling refrigeration of the power station type photovoltaic inverter is realized, specifically, the minimum temperature of the vortex tube 2 can reach-46 ℃ on the premise of drying air, the extreme-speed cooling of the power station type photovoltaic inverter in an industrial factory building can be realized by utilizing the characteristic, the damage of parts in the inverter due to high temperature is avoided, and the service life of the photovoltaic inverter is prolonged.
The temperature sensor 4 is arranged in the cabinet body 1 to collect the temperature in the placing cavity, the temperature sensor 4 and the control valve 261 are both electrically connected with a controller (not shown), when the controller (not shown) receives a temperature value fed back by the temperature sensor 4, if the temperature value is higher than a preset temperature value, the controller (not shown) controls the control valve 261 on the gas transmission pipeline 26 to be opened, namely the vortex tube 2 enters an operating state, and the photovoltaic inverter is cooled; if the temperature value is lower than the preset temperature value, the controller (not shown) controls the control valve 261 on the gas transmission pipeline 26 to close, that is, the vortex tube 2 does not operate, so that the whole refrigeration operation can be automated without manually monitoring and controlling the photovoltaic inverter.
The utility model provides a photovoltaic inverter refrigerating plant utilizes vortex tube 2 can be quick refrigerated characteristic, is applicable to and carries out utmost point speed cooling to it when photovoltaic inverter temperature sharply rises, through set up diversion layer 13 in the cabinet body 1, avoids appearing power plant type photovoltaic inverter refrigeration inhomogeneous condition and takes place, if: the side close to the cold air end 21 of the vortex tube 2 has lower temperature, and the side far away from the cold air end 21 has higher temperature; meanwhile, the temperature sensor 4 is arranged to collect the temperature in the cabinet body 1, and the controller (not shown) controls the opening and closing state of the control valve 261 according to the collected temperature, so that the whole refrigeration automation process is realized.
Wherein, the guide plate 11 is provided with a plurality of guide holes 111, and each guide hole 111 is arranged in a shutter shape, so that the cold air can flow into the cabinet 1 from the guide air; in addition, a plurality of vent holes are uniformly distributed on the flow equalizing plate 12, and the arrangement of the flow guide holes 111 and the vent holes can enable cold air to be uniformly dispersed around the photovoltaic inverter from multiple directions, so that the occurrence of the condition of uneven heat dissipation is avoided.
Specifically, the shape of the first vent hole includes at least one of a circle, an ellipse, a triangle, a quadrangle, and a polygon.
It should be noted that the shape of the first vent hole is not limited to the above figures, and may be determined according to the needs of the user in a specific application.
Wherein, a threaded hole (not shown) for screwing the connecting pipeline 24 is arranged at the bottom of the cabinet body 1, so that the connecting pipeline can be used for fixing the communication between the vortex tube 2 and the bottom of the cabinet body 1.
The cabinet body 1 is made of aluminum alloy, and the aluminum alloy has the advantages of heat conductivity, high temperature resistance and corrosion resistance.
As shown in fig. 2, when the dc voltages of a plurality of photovoltaic modules are converged and input into the station-type photovoltaic inverter, the temperature of the inverter will rise sharply due to the large voltage, when the temperature collected by the temperature sensor 4 disposed in the cabinet 1 is higher than a preset temperature value, the controller (not shown) controls the control valve 261 on the gas transmission pipeline 26 to open, so that the compressed air can be input into the gas inlet 23 of the vortex tube 2, the vortex tube 2 enters the working state, the cold air output from the cold air end 21 of the vortex tube 2 enters the bottom of the cabinet 1 through the connecting pipeline 24, and then is uniformly dispersed around the station-type photovoltaic inverter from the diversion holes 111 and the vent holes through the diversion layer 13, thereby performing rapid cooling on the photovoltaic inverter, when the temperature collected by the temperature sensor 4 disposed in the cabinet 1 is lower than the preset temperature value, the controller (not shown) controls the control valve 261 on the gas transmission pipeline 26 to be closed, the vortex tube 2 stops working, and the device can realize rapid cooling when the temperature in the cabinet body 1 rises to a higher temperature, has a good refrigeration effect, prevents the photovoltaic inverter from being damaged, and plays an emergency role.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (7)
1. A heat dissipation system based on a power station type photovoltaic inverter comprises a cabinet body (1) provided with the photovoltaic inverter, and is characterized by further comprising a vortex tube (2) arranged at the bottom of the cabinet body (1), a compressor (3) used for providing compressed air, a temperature sensor (4) and a controller;
guide plates (11) are arranged on the left side wall and the right side wall close to the cabinet body (1), flow equalizing plates (12) are arranged at the bottom close to the cabinet body (1), the lower ends of the two guide plates (11) are respectively connected with the two ends of the flow equalizing plates (12), and flow guide layers (13) are formed on the two guide plates (11), the flow equalizing plates (12) and the inner wall of the cabinet body (1);
the vortex tube (2) comprises a cold air end (21) for inputting cold air to the flow guide layer (13), a hot air end (22) and an air inlet (23), the vortex tube (2) is buried underground, the cold air end (21) is communicated with the bottom of the cabinet body (1) through a connecting pipeline (24), the hot air end (22) discharges hot air to the ground through an exhaust pipeline (25), the air inlet (23) is connected with the compressor (3) arranged on the ground through an air transmission pipeline (26), and a control valve (261) for controlling the compressed air to flow into the vortex tube (2) is arranged on the air transmission pipeline (26);
temperature sensor (4) set up in the cabinet body (1) in order to be used for the collection the temperature of the cabinet body (1), temperature sensor (4) control valve (261) all with controller electric connection.
2. The heat dissipation system based on the station type photovoltaic inverter as claimed in claim 1, wherein the deflector (11) has a plurality of deflector holes (111).
3. The power plant-based photovoltaic inverter heat dissipation system of claim 2, wherein each of the deflector holes (111) is arranged in a louver pattern.
4. The heat dissipation system based on the station-type photovoltaic inverter as claimed in claim 1, wherein a plurality of vent holes (121) are uniformly distributed on the flow equalizing plate (12).
5. The power station type photovoltaic inverter based heat dissipation system according to claim 4, wherein the shape of the vent hole (121) comprises at least one of a circle, an ellipse, a triangle, a quadrangle, and a polygon.
6. The station-based photovoltaic inverter heat dissipation system according to claim 1, wherein the bottom of the cabinet (1) is provided with a threaded hole (14) for screwing the connecting pipe (24).
7. The heat dissipation system based on the station type photovoltaic inverter according to any one of claims 1 to 6, wherein the cabinet body (1) is made of aluminum alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020601855.0U CN211579893U (en) | 2020-04-21 | 2020-04-21 | Heat dissipation system based on power station type photovoltaic inverter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020601855.0U CN211579893U (en) | 2020-04-21 | 2020-04-21 | Heat dissipation system based on power station type photovoltaic inverter |
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| CN211579893U true CN211579893U (en) | 2020-09-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112272503A (en) * | 2020-11-10 | 2021-01-26 | 常德纺织机械有限公司 | Electron merchant card needle piece cooling system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112272503A (en) * | 2020-11-10 | 2021-01-26 | 常德纺织机械有限公司 | Electron merchant card needle piece cooling system |
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