Temperature-adjustable photovoltaic energy storage inverter

By introducing an electronic semiconductor cooler and a delivery pump system into the photovoltaic energy storage inverter, and using cooling water to accelerate the heat conduction speed of the heat dissipation fins, the problem of heat accumulation inside the photovoltaic energy storage inverter is solved, and stable temperature control is achieved.

CN223745131UActive Publication Date: 2025-12-30GUANGDONG YUENENG PHOTOVOLTAIC POWER GENERATION TECH CO LTD
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Patent Information

Application Number
CN202520010716.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-03
Publication Date
2025-12-30
Estimated Expiration
2035-01-03

AI Technical Summary

Technical Problem

The heat generated by the photovoltaic energy storage inverter during operation is difficult to dissipate quickly, which can cause internal components to overheat and be damaged, affecting the normal operation of the system.

Method used

An electronic semiconductor cooler and a delivery pump are used in conjunction with inlet and outlet pipes to deliver cooling water into the hollow heat dissipation fins, creating a temperature difference to accelerate heat dissipation, and a liquid level detection component ensures that the cooling water is sufficient.

Benefits of technology

This effectively avoids excessively high internal temperatures in photovoltaic energy storage inverters, prevents component damage, and ensures stable system operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a temperature-adjustable photovoltaic energy storage inverter comprising a photovoltaic energy storage inverter body, the rear side of the photovoltaic energy storage inverter body is fixedly provided with heat radiation fins, the left side wall of the photovoltaic energy storage inverter body is fixedly provided with a temperature sensor, and the top of the photovoltaic energy storage inverter body is fixedly provided with a storage box. Cooling water is cooled through the electronic semiconductor cooler, and the conveying pump is matched with the water inlet pipe and the water outlet pipe to convey the cooling water into the hollow heat dissipation fins, so that the temperature difference between the heat dissipation fins and the photovoltaic energy storage inverter body is kept, the heat conduction speed of the heat dissipation fins to the heat dissipation fins is accelerated, and the heat dissipation efficiency of the photovoltaic energy storage inverter is improved. Therefore, the problem that the internal temperature of the photovoltaic energy storage inverter body is too high due to internal heat alignment of the photovoltaic energy storage inverter body is solved, the internal elements are prevented from being damaged due to overheating due to the fact that the internal temperature of the photovoltaic energy storage inverter body is too high, and the situation that a photovoltaic module cannot be used is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to photovoltaic energy storage inverter technical field especially relates to a temperature adjustable photovoltaic energy storage inverter. BACKGROUND

[0002] Photovoltaic energy storage inverter, also known as solar inverter, photovoltaic converter, is the equipment that converts the direct current generated by photovoltaic module into alternating current. Photovoltaic energy storage inverter can convert the variable direct current voltage generated by photovoltaic solar panel into power frequency alternating current, and further feedback to commercial power transmission system, or is used for off-grid power grid. Photovoltaic energy storage inverter is one of important system balancing equipment in photovoltaic array system, and can be used with general ac power supply equipment.

[0003] Photovoltaic energy storage inverter is mainly composed of power semiconductor device, temperature sensor, control circuit element, energy storage interface and related module and communication interface element, and the elements of photovoltaic energy storage inverter are generally installed on the back plate of shell, wherein photovoltaic energy storage inverter generates a large amount of heat in the running process, and heat dissipation fins are usually installed on the shell to guide the generated heat out through the heat dissipation fins.

[0004] When the heat dissipation fin itself material has certain heat conduction rate, when the heat generated in photovoltaic energy storage inverter is too much, it is difficult to quickly guide the heat out from photovoltaic energy storage inverter, and the overheating of photovoltaic energy storage inverter will cause the internal elements to be damaged, when the elements are damaged, photovoltaic energy storage inverter cannot be used, and the solar panel connected with photovoltaic energy storage inverter cannot be used, based on the above problems, the application provides a temperature adjustable photovoltaic energy storage inverter. Utility model content

[0005] In view of the deficiency of prior art, the utility model provides a temperature adjustable photovoltaic energy storage inverter for solving the problems in the background art.

[0006] In order to realize the above purpose, the utility model adopts the following technical scheme:

[0007] The utility model provides an adjustable temperature photovoltaic energy storage inverter, including photovoltaic energy storage inverter body, the rear side fixed setting of photovoltaic energy storage inverter body is provided with the heat dissipation fin, the left side fixed setting of photovoltaic energy storage inverter body is provided with temperature sensor, the top fixed setting of photovoltaic energy storage inverter body is provided with storage tank, the top fixed setting of storage tank is provided with electronic semiconductor refrigerator, the inside fixed setting of storage tank is provided with partition and delivery pump, the right side of partition is located to delivery pump, the fixed setting of water inlet pipe is provided with the water inlet end of delivery pump, the water inlet end of water inlet pipe penetrates partition and extends to the left side of partition, the fixed setting of water outlet pipe is provided with the water outlet end of delivery pump, and the water outlet pipe is fixedly connected with the heat dissipation fin, the left side fixed setting of storage tank is provided with return pipe, and the return pipe is fixedly connected with the heat dissipation fin.

[0008] Preferably, the top of the storage tank is provided with a liquid level detection assembly, the liquid level detection assembly comprises a measuring tube fixedly installed on the top of the storage tank, a scale groove is formed in the front side of the measuring tube, a sliding rod is slidably arranged in the measuring tube, the sliding rod is slidably connected with the storage tank, a limiting groove is formed in the surface of the sliding rod, a limiting block is slidably arranged in the limiting groove, the limiting block is fixedly installed in the measuring tube, and a buoyancy plate is fixedly arranged at the bottom end of the sliding rod.

[0009] Preferably, the top of the storage tank is provided with a liquid inlet assembly, the liquid inlet assembly comprises a water filling pipe fixedly installed, a dustproof cover is fixedly installed at the top end of the water filling pipe, and a rubber anti-skid strip is fixedly arranged on the surface of the dustproof cover.

[0010] Preferably, the rear side of the photovoltaic energy storage inverter body is fixedly provided with a fixed plate, and a fixed hole is formed through the surface of the fixed plate.

[0011] Preferably, a plurality of heat dissipation grooves are formed through the rear side of the storage tank, the opening positions of the heat dissipation grooves are located on the left side of the partition, and the heat dissipation grooves are linearly arranged.

[0012] Preferably, the heat dissipation fin is made of aluminum alloy, and the heat dissipation fin has a hollow structure.

[0013] Preferably, the cold end of the electronic semiconductor refrigerator is located in the inside of the storage tank, and the hot end of the electronic semiconductor refrigerator is located outside the storage tank.

[0014] Compared with the prior art, the photovoltaic energy storage inverter with adjustable temperature has the advantages that the cooling water is cooled by the electronic semiconductor refrigerator, the cooling water is delivered to the inside of the hollow heat dissipation fins through the delivery pump, the water inlet pipe and the water outlet pipe, the temperature difference is kept between the heat dissipation fins and the photovoltaic energy storage inverter body, the heat conduction speed of the heat dissipation fins is accelerated, the problem that the internal temperature of the photovoltaic energy storage inverter body is too high due to the alignment of the heat is avoided, the problem that the internal components of the photovoltaic energy storage inverter body are overheated and damaged due to the high temperature in the photovoltaic energy storage inverter body is avoided, and the situation that the photovoltaic assembly cannot be used is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the front view of the structure of the utility model;

[0016] Figure 2 It is the rear view of the structure of the utility model;

[0017] Figure 3 It is the schematic view of the local structure of the utility model;

[0018] Figure 4 It is another schematic view of the local structure of the utility model;

[0019] Figure 5 It is the schematic view of the liquid level detection assembly structure of the utility model;

[0020] Figure 6 It is the sectional view of the liquid level detection assembly structure of the utility model;

[0021] Figure 7 It is the schematic view of the liquid inlet assembly structure of the utility model.

[0022] In the drawing: 1, photovoltaic energy storage inverter body; 2, storage tank; 3, electronic semiconductor refrigerator; 4, partition plate; 5, delivery pump; 6, water inlet pipe; 7, water outlet pipe; 8, return pipe; 9, heat dissipation fin; 10, measuring pipe; 11, scale groove; 12, sliding rod; 13, limiting groove; 14, limiting block; 15, buoyancy plate; 16, water filling pipe; 17, dust cover; 18, rubber anti-skid strip; 19, fixed plate; 20, fixed hole; 21, heat dissipation groove; 22, temperature sensor. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Referring to Figures 1-7 The adjustable temperature photovoltaic energy storage inverter comprises a photovoltaic energy storage inverter body 1, a fixed plate 19 is fixedly arranged at the rear side of the photovoltaic energy storage inverter body 1, and a fixed hole 20 is arranged through the surface of the fixed plate 19, so that the photovoltaic energy storage inverter body 1 is conveniently installed and mounted at a specified position. A heat dissipation fin 9 is fixedly arranged at the rear side of the photovoltaic energy storage inverter body 1, the heat dissipation fin 9 is made of aluminum alloy, the heat dissipation fin 9 has a hollow structure, the heat dissipation fin 9 made of aluminum alloy can keep the heat conduction performance and improve the mechanical strength of the heat dissipation fin 9, so that the heat dissipation fin 9 can keep a stable shape and is not easy to deform and damage in a long-term use and frequent thermal expansion and contraction environment. A temperature sensor 22 is fixedly arranged on the left side wall of the photovoltaic energy storage inverter body 1, a storage box 2 is fixedly arranged on the top of the photovoltaic energy storage inverter body 1, an electronic semiconductor refrigerator 3 is fixedly arranged on the top of the storage box 2, the cold end of the electronic semiconductor refrigerator 3 is located in the inside of the storage box 2, and the hot end of the electronic semiconductor refrigerator 3 is located outside the storage box 2, so that the cold end of the electronic semiconductor refrigerator 3 can conveniently cool cooling water, and the hot end of the electronic semiconductor refrigerator 3 can conveniently dissipate heat. A partition plate 4 and a conveying pump 5 are fixedly arranged in the inside of the storage box 2, a heat dissipation groove 21 is arranged through the rear side of the storage box 2, the opening position of the heat dissipation groove 21 is located on the left side of the partition plate 4, the heat dissipation groove 21 has a plurality of linear array distribution, the heat dissipation groove 21 can conveniently dissipate heat of the conveying pump 5, and the conveying pump 5 is prevented from being damaged due to overheating. The conveying pump 5 is located on the right side of the partition plate 4, a water inlet pipe 6 is fixedly arranged at the water inlet end of the conveying pump 5, the water inlet end of the water inlet pipe 6 penetrates through the partition plate 4 and extends to the left side of the partition plate 4, a water outlet pipe 7 is fixedly arranged at the water outlet end of the conveying pump 5, the water outlet pipe 7 is fixedly connected with the heat dissipation fin 9, a backflow pipe 8 is fixedly arranged on the left side of the storage box 2 and fixedly connected with the heat dissipation fin 9. The cooling water is cooled by the electronic semiconductor refrigerator 3 and is conveyed into the inside of the hollow heat dissipation fin 9 by the conveying pump 5, the water inlet pipe 6 and the water outlet pipe 7, so that the temperature difference between the heat dissipation fin 9 and the photovoltaic energy storage inverter body 1 is kept, the heat conduction speed of the heat dissipation fin 9 is accelerated, the problem that the internal temperature of the photovoltaic energy storage inverter body 1 is too high due to the heat alignment of the internal heat is avoided, the internal components of the photovoltaic energy storage inverter body 1 are prevented from being damaged due to overheating caused by the high temperature, and the photovoltaic assembly is prevented from being unable to be used.

[0025] Specifically, the top of the storage tank 2 is provided with a liquid level detection assembly, which comprises a measuring tube 10 fixedly installed on the top of the storage tank 2, a scale groove 11 is formed on the front side of the measuring tube 10, a sliding rod 12 is slidably arranged in the measuring tube 10, the sliding rod 12 is slidably connected with the storage tank 2, a limiting groove 13 is formed on the surface of the sliding rod 12, a limiting block 14 is slidably arranged in the limiting groove 13, the limiting block 14 is fixedly installed in the measuring tube 10, a buoyancy plate 15 is fixedly arranged at the bottom end of the sliding rod 12, the top of the storage tank 2 is provided with a liquid inlet assembly, the liquid inlet assembly comprises a water filling pipe 16, a dustproof cover 17 is fixedly installed at the top end of the water filling pipe 16, a rubber anti-skid strip 18 is fixedly arranged on the surface of the dustproof cover 17, when the water level in the storage tank 2 decreases, the liquid level in the storage tank 2 decreases, so that the delivery pump 5 moves downward with the decreasing liquid level, the sliding rod 12 slides in the measuring tube 10 driven by the delivery pump 5, the height of the sliding rod 12 can be observed through the scale groove 11 arranged on the front side of the measuring tube 10, whether the cooling water needs to be supplemented into the storage tank 2 is judged according to the height of the sliding rod 12, when the cooling water needs to be supplemented into the photovoltaic energy storage inverter body 1, the dustproof cover 17 is removed from the water filling pipe 16, the cooling water is added into the storage tank 2 through the rubber anti-skid strip 18, as the liquid level in the storage tank 2 rises, the buoyancy plate 15 pushes the sliding rod 12 to move upward, the distance of the upward movement of the sliding rod 12 is observed through the scale groove 11, whether the amount of cooling water is sufficient is judged, and after the water supplementing is completed, the dustproof cover 17 is screwed into the surface of the water filling pipe 16, so that the sufficient cooling water in the storage tank 2 is ensured, and the situation that the delivery pump 5 cannot extract the cooling water due to insufficient cooling water is avoided.

[0026] The temperature-adjustable photovoltaic energy storage inverter is connected with 220V mains, and the main control unit can be a conventional known device such as a computer.

[0027] In use: the temperature inside the photovoltaic energy storage inverter body 1 is detected by the temperature sensor 22, when the temperature inside the photovoltaic energy storage inverter body 1 continuously remains high, it indicates that the heat conduction speed of the heat dissipation fin 9 itself cannot meet the heat dissipation demand of the elements inside the photovoltaic energy storage inverter body 1, the water flow inside the storage tank 2 is cooled by the electronic semiconductor refrigerator 3, the cooled cooling water is extracted into the water outlet pipe 7 by the delivery pump 5 through the water inlet pipe 6, and is delivered to the inside of the heat dissipation fin 9 through the water outlet pipe 7, the cooling water cools the heat dissipation fin 9, so that the heat dissipation fin 9 and the inside of the photovoltaic energy storage inverter body 1 form a temperature difference, the heat conduction speed of the heat dissipation fin 9 is accelerated, and the inhaled cooling water is returned to the inside of the storage tank 2 through the return pipe 8, and is cooled by the electronic semiconductor refrigerator 3, so that the cooling water entering the heat dissipation fin 9 remains low temperature.

[0028] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0029] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A temperature-regulated photovoltaic energy storage inverter comprising a photovoltaic energy storage inverter body (1), characterized in that, The photovoltaic energy storage inverter body (1) rear side is fixedly provided with a heat dissipation fin (9), the photovoltaic energy storage inverter body (1) left side wall is fixedly provided with a temperature sensor (22), the photovoltaic energy storage inverter body (1) top is fixedly provided with a storage box (2), the storage box (2) top is fixedly provided with an electronic semiconductor refrigerator (3), the storage box (2) inside is fixedly provided with a partition plate (4) and a delivery pump (5), the delivery pump (5) is located on the right side of the partition plate (4), the delivery pump (5) water inlet end is fixedly provided with a water inlet pipe (6), the water inlet pipe (6) water inlet end penetrates through the partition plate (4) and extends to the left side of the partition plate (4), the delivery pump (5) water outlet end is fixedly provided with a water outlet pipe (7), the water outlet pipe (7) is fixedly connected with the heat dissipation fin (9), the storage box (2) left side is fixedly provided with a backflow pipe (8), and the backflow pipe (8) is fixedly connected with the heat dissipation fin (9).

2. The temperature-adjustable photovoltaic energy storage inverter according to claim 1, characterized in that, The storage box (2) top is provided with a liquid level detection assembly, the liquid level detection assembly comprises a measuring pipe (10) fixedly installed on the storage box (2) top, a scale groove (11) is formed in the front side of the measuring pipe (10), a sliding rod (12) is slidably arranged in the measuring pipe (10), the sliding rod (12) is slidably connected with the storage box (2), a limiting groove (13) is formed in the surface of the sliding rod (12), a limiting block (14) is slidably arranged in the limiting groove (13), and the limiting block (14) is fixedly installed in the measuring pipe (10).

3. The temperature-adjustable photovoltaic energy storage inverter according to claim 1, characterized in that, The storage box (2) top is provided with a liquid inlet assembly, the liquid inlet assembly comprises a water filling pipe (16) fixedly installed, and a dustproof cover (17) is fixedly installed at the top end of the water filling pipe (16).

4. The temperature-adjustable photovoltaic energy storage inverter according to claim 1, characterized in that, The photovoltaic energy storage inverter body (1) rear side is fixedly provided with a fixed plate (19), and a fixed hole (20) is formed in the surface of the fixed plate (19).

5. The temperature-adjustable photovoltaic energy storage inverter according to claim 1, characterized in that, The storage box (2) rear side is provided with a heat dissipation groove (21), and the opening position of the heat dissipation groove (21) is located on the left side of the partition plate (4); the heat dissipation groove (21) is in linear array distribution.

6. The temperature adjustable photovoltaic energy storage inverter according to claim 1, characterized in that, The heat dissipation fin (9) is made of aluminum alloy material, and the heat dissipation fin (9) is a hollow structure.

7. The temperature-adjustable photovoltaic energy storage inverter according to claim 1, characterized in that, The cold end of the electronic semiconductor refrigerator (3) is located in the inside of the storage box (2), and the hot end of the electronic semiconductor refrigerator (3) is located outside the storage box (2). The cold end of the electronic semiconductor refrigerator (3) is located in the inside of the storage box (2), and the hot end of the electronic semiconductor refrigerator (3) is located outside the storage box (2).