Photovoltaic inverter heat dissipation device

Abstract

The utility model relates to the technical field of heat dissipation of photovoltaic inverters, and discloses a heat dissipation device of a photovoltaic inverter, which comprises a heat dissipation substrate arranged on the surface of the photovoltaic inverter, and heat dissipation fins, a water cooling pipe and a temperature sensor are arranged on the binding surface of the heat dissipation substrate and the photovoltaic inverter. An air cooling mechanism is installed on the face, away from the cooling fins, of the cooling substrate, the water cooling pipe communicates with a water supply pump, and the temperature sensor is electrically connected with the air cooling mechanism and the water supply pump. According to the utility model, natural heat dissipation can be carried out on the photovoltaic inverter through the heat dissipation fins, air-cooling and water-cooling heat dissipation can be carried out on the photovoltaic inverter through the air-cooling mechanism and the water-cooling pipe, and starting and stopping of the water supply pump and the air-cooling mechanism can be indirectly controlled through the arranged temperature sensor, so that heat dissipation can be carried out on the photovoltaic inverter according to actual requirements, and more energy is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of heat dissipation of photovoltaic inverters and discloses a heat dissipation device for photovoltaic inverters. Background Art

[0002] With the development of photovoltaic technology, inverters as its core components play an increasingly important role in various applications. However, inverters generate a lot of heat during operation. If the heat is not dissipated in time, it will affect the performance and life of the inverter. Traditional heat dissipation methods mainly include air cooling or water cooling. Air cooling removes heat through the airflow blown by the fan, but its heat dissipation efficiency is limited by the speed of the airflow and the heat dissipation area of ​​the radiator. Water cooling removes heat through the circulation of cooling water, which has a better heat dissipation effect.

[0003] The heat dissipation effect of setting up air cooling or water cooling separately is poor and has limitations. However, if air cooling or water cooling is equipped at the same time, both air cooling and water cooling require energy consumption, which easily leads to waste of resources and has limitations. Utility Model Content

[0004] In view of the defects in the prior art, the utility model provides a photovoltaic inverter heat dissipation device, which has good heat dissipation effect and can prevent waste of resources.

[0005] In order to solve the above technical problems, the utility model proposes the following technical solutions:

[0006] A photovoltaic inverter heat dissipation device includes a heat dissipation substrate for installation on the surface of the photovoltaic inverter, heat dissipation fins, water cooling pipes and temperature sensors are installed on the bonding surface of the heat dissipation substrate and the photovoltaic inverter, an air cooling mechanism is installed on the side of the heat dissipation substrate away from the heat dissipation fins, the water cooling pipe is connected to a water supply pump, and the temperature sensor is electrically connected to the air cooling mechanism and the water supply pump.

[0007] Furthermore, the air cooling mechanism includes a mounting frame and a heat dissipation fan. The mounting frame is mounted on a side of the heat dissipation substrate away from the heat dissipation fins. The heat dissipation fan is mounted in the mounting frame. The wind force generated by the heat dissipation fan passes through the heat dissipation substrate.

[0008] Furthermore, an air guide cavity is provided inside the heat dissipation substrate, and the wind generated by the heat dissipation fan passes through the air guide cavity. A plurality of heat dissipation through holes are provided on the heat dissipation substrate, and the heat dissipation through holes are communicated with the air guide cavity.

[0009] Furthermore, the water cooling pipe is arranged in a straight wave line shape as a whole, and the water cooling pipe is arranged around the heat dissipation fins. A water outlet and a water inlet are respectively provided at both ends of the water cooling pipe. The water outlet is connected to a water storage tank, and the water inlet is connected to a water supply tank. A water supply pump is arranged in the water supply tank, and the water inlet is connected to the water supply pump.

[0010] Furthermore, a mounting hole for connecting to a photovoltaic inverter is provided on the heat dissipation substrate.

[0011] It can be seen from the above technical solution that the beneficial effects of the utility model are:

[0012] The utility model can naturally dissipate the heat of the photovoltaic inverter through the heat dissipation fins, and can air-cool and water-cool the photovoltaic inverter through the air cooling mechanism and the water cooling pipe. The opening and closing of the water supply pump and the air cooling mechanism can be indirectly controlled by the set temperature sensor, so that the photovoltaic inverter can be dissipated according to actual needs, which is more energy-saving. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the specific implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the specific implementation or the prior art description. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual scale.

[0014] Figure 1 It is a schematic diagram of the overall back side of the utility model;

[0015] Figure 2 It is an overall front schematic diagram of the utility model;

[0016] Figure 3 It is a top view of the connection of the heat dissipation substrate in the utility model;

[0017] Figure 4 It is a top view cross-sectional connection diagram of the heat dissipation substrate and the air cooling mechanism in the utility model;

[0018] Figure 5 It is a schematic diagram of the connection between the water inlet and the water supply tank in the utility model;

[0019] Figure 6 This is a flow chart of the PLC controller, water supply pump and cooling fan in the utility model.

[0020] Reference numerals:

[0021] 1-heat dissipation substrate, 101-heat dissipation through hole, 102-air guide cavity, 2-mounting frame, 3-heat dissipation fan, 4-mounting hole, 5-heat dissipation fins, 6-water cooling pipe, 601-water outlet, 602-water inlet, 7-temperature sensor, 8-water supply tank, 9-water supply pump. DETAILED DESCRIPTION

[0022] The following embodiments of the technical solution of the utility model are described in detail in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the utility model, and are therefore only used as examples, and cannot be used to limit the protection scope of the utility model.

[0023] See also Figure 1-6 As shown, a photovoltaic inverter heat dissipation device includes a heat dissipation substrate 1 for installation on the surface of the photovoltaic inverter, the heat dissipation substrate 1 and the photovoltaic inverter are installed with heat dissipation fins 5, water cooling pipes 6 and temperature sensors 7 on the bonding surface, the heat dissipation substrate 1 is installed with an air cooling mechanism on the side away from the heat dissipation fins 5, the water cooling pipes 6 are connected to a water supply pump 9, and the temperature sensor 7 is electrically connected to the air cooling mechanism and the water supply pump.

[0024] In actual use, the photovoltaic inverter can be naturally cooled by the heat dissipation fins 5, and the photovoltaic inverter can be air-cooled and water-cooled by the air cooling mechanism and the water cooling pipe 6. The water supply pump 9 and the opening and closing of the air cooling mechanism can be indirectly controlled by the set temperature sensor 7, so that the photovoltaic inverter can be cooled according to actual needs, which is more energy-saving.

[0025] Among them, the temperature sensor 7 is electrically connected to the PLC controller, the PLC controller is electrically connected to the water supply pump 9 and the cooling fan 3, the temperature sensor 7 senses the temperature of the photovoltaic inverter, and thus transmits instructions to the PLC controller, and the water supply pump 9 and the cooling fan 3 are controlled to start and stop by the PLC controller.

[0026] Among them, when the temperature sensor 7 senses that the temperature of the photovoltaic inverter is 40-60 degrees, it transmits instructions to the PLC controller, and the PLC controller controls the cooling fan 3 to start. When the temperature sensor 7 senses that the temperature of the photovoltaic inverter is above 60 degrees, it transmits instructions to the PLC controller, and the PLC controller controls the water supply pump 9 and the cooling fan 3 to start, thereby realizing water-cooling and air-cooling synchronous heat dissipation of the photovoltaic inverter, and the heat dissipation effect is good.

[0027] In this embodiment, the air cooling mechanism includes a mounting frame 2 and a heat dissipation fan 3. The mounting frame 2 is installed on a side of the heat dissipation substrate 1 away from the heat dissipation fins 5, and the heat dissipation fan 3 is installed in the mounting frame 2. The wind generated by the heat dissipation fan 3 passes through the heat dissipation substrate 1; an air guide cavity 102 is provided inside the heat dissipation substrate 1, and the wind generated by the heat dissipation fan 3 passes through the air guide cavity 102. A plurality of heat dissipation holes 101 are provided on the heat dissipation substrate 1, and the heat dissipation holes 101 are communicated with the air guide cavity 102; specifically, the heat dissipation fan 3 can be used to blow the generated wind through the heat dissipation holes 101 to the photovoltaic inverter, thereby performing air cooling and heat dissipation on the photovoltaic inverter.

[0028] In this embodiment, the water-cooling pipe 6 is arranged in a straight wave line shape as a whole. The water-cooling pipe 6 is arranged around the heat dissipation fins 5. The two ends of the water-cooling pipe 6 are respectively provided with a water outlet 601 and a water inlet 602. The water outlet 601 is connected to a water storage tank, and the water inlet 602 is connected to a water supply tank 8. A water supply pump 9 is arranged in the water supply tank 8, and the water inlet 602 is connected to the water supply pump 9; specifically, by starting the water supply pump 9, the clean water in the water supply tank 8 is introduced into the water-cooling pipe 6 and flows in the water-cooling pipe 6, thereby absorbing the heat on the photovoltaic inverter and discharging the heat.

[0029] In this embodiment, the heat dissipation substrate 1 is provided with a mounting hole 4 for connecting with a photovoltaic inverter.

[0030] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model, and they should all be included in the scope of the claims and specification of the utility model.

Claims

1. A photovoltaic inverter heat dissipation device, characterized in that: The invention comprises a heat dissipation substrate (1) for being mounted on the surface of a photovoltaic inverter, wherein the surface of the heat dissipation substrate (1) that is bonded to the photovoltaic inverter is provided with heat dissipation fins (5), a water cooling pipe (6) and a temperature sensor (7), a side of the heat dissipation substrate (1) that is away from the heat dissipation fins (5) is provided with an air cooling mechanism, the water cooling pipe (6) is connected to a water supply pump (9), and the temperature sensor (7) is electrically connected to the air cooling mechanism and the water supply pump.

2. A photovoltaic inverter heat dissipation device according to claim 1, characterized in that: The air cooling mechanism comprises a mounting frame (2) and a heat dissipation fan (3); the mounting frame (2) is mounted on a side of the heat dissipation substrate (1) away from the heat dissipation fins (5); the heat dissipation fan (3) is mounted in the mounting frame (2); and the wind force generated by the heat dissipation fan (3) passes through the heat dissipation substrate (1).

3. A photovoltaic inverter heat dissipation device according to claim 2, characterized in that: The heat dissipation substrate (1) is provided with an air guide cavity (102) inside, and the wind generated by the heat dissipation fan (3) passes through the air guide cavity (102). The heat dissipation substrate (1) is provided with a plurality of heat dissipation through holes (101), and the heat dissipation through holes (101) are in communication with the air guide cavity (102).

4. A photovoltaic inverter heat dissipation device according to claim 1, characterized in that: The water cooling pipe (6) is arranged in a straight wave shape as a whole. The water cooling pipe (6) is arranged around the heat dissipation fins (5). The two ends of the water cooling pipe (6) are respectively provided with a water outlet (601) and a water inlet (602). The water outlet (601) is connected to a water storage tank, and the water inlet (602) is connected to a water supply tank (8). A water supply pump (9) is arranged in the water supply tank (8), and the water inlet (602) is connected to the water supply pump (9).

5. A photovoltaic inverter heat dissipation device according to claim 1, characterized in that: The heat dissipation substrate (1) is provided with a mounting hole (4) for connecting to a photovoltaic inverter.

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