Solar DCDC charger for new energy vehicle

By introducing a dual heat dissipation method of fan and condenser tube in the solar charger, combined with a soundproof shell and aluminum structure, the problems of low heat dissipation efficiency and high noise in traditional solar chargers are solved, achieving more efficient heat dissipation and noise reduction, and improving the stability and service life of the equipment.

CN224234026UActive Publication Date: 2026-05-12HANGZHOU JINPENG NEW ENERGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HANGZHOU JINPENG NEW ENERGY CO LTD
Filing Date
2025-04-17
Publication Date
2026-05-12

AI Technical Summary

Technical Problem

Traditional solar chargers have insufficient heat dissipation efficiency, are easily affected by external environmental factors, and have loud fan noise, which affects equipment performance and safety.

Method used

It adopts a dual heat dissipation method, including fan cooling and condenser cooling, combined with the use of a soundproof shell to reduce noise. The fan blows air out through the bottom opening of the soundproof shell for active heat dissipation, and a condenser is set at the bottom of the placement plate for passive heat dissipation. The use of aluminum structure and potting process improves stability.

Benefits of technology

It effectively improves heat dissipation efficiency, reduces noise, enhances equipment stability and lifespan, and reduces the impact of the external environment on the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a solar DCDC charger for a new energy vehicle, which comprises an outer shell and an external interface arranged on one side and used for being externally connected with other equipment, supporting legs are arranged on two sides of the lower surface of the outer shell, and a mounting plate is arranged on one side of the outer shell. The two fans are arranged above the first placement plate, the second placement plate and the third placement plate, when the fans work, air is blown out from the holes in the bottom of the sound insulation shell, so that the placement plates are cooled, the fans are located in the sound insulation shell, noise can be reduced, the condensation pipes are arranged at the bottoms of the placement plates, and therefore the heat dissipation effect is improved. Condensate is added into the condensation pipe to enable the condensation pipe to be close to each placement plate, the cooling effect is further achieved, the two cooling modes are combined, the upper portions and the lower portions of the first placement plate, the second placement plate and the third placement plate are cooled at the same time, and the cooling effect is improved.
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Description

Technical Field

[0001] This utility model belongs to the field of new energy charger technology, and more specifically, it relates to a solar DC-DC charger for new energy vehicles. Background Technology

[0002] A solar charger is a device that converts solar energy into electrical energy. After the solar energy is converted into electrical energy, it is stored in a battery. The battery can be any type of energy storage device, and it generally consists of three parts: a solar photovoltaic cell, a battery, and a voltage regulating element.

[0003] Solar chargers generate a significant amount of heat during operation. If this heat is not dissipated promptly, it will adversely affect the device's performance, lifespan, and safety. Traditional solar chargers primarily employ air cooling, using fans to enhance airflow and dissipate heat into the surrounding environment. While air cooling offers advantages such as simple structure and low cost, relying solely on this method results in insufficient heat dissipation efficiency. It is also susceptible to external environmental factors (such as temperature and humidity), and the fans generate noise, making it inconvenient to use, ultimately leading to less than ideal heat dissipation.

[0004] Therefore, in view of this, we will study and improve the existing structure and its shortcomings to provide a solar-powered DC-DC charger for new energy vehicles, in order to achieve a more practical value. Utility Model Content

[0005] To solve the above-mentioned technical problems, this utility model provides a solar-powered DC-DC charger for new energy vehicles, which is achieved through the following specific technical means:

[0006] A solar-powered DC-DC charger for new energy vehicles includes a housing and an external interface on one side for connecting other devices. Support legs are installed on both sides of the lower surface of the housing. A mounting plate is provided on one side of the housing, and a first placement plate, a second placement plate, and a third placement plate are installed on one side of the mounting plate. The first, second, and third placement plates are slidably connected to the inner wall of the housing on both sides. A soundproof shell is installed on the upper part of the inner wall of the housing, and a fan is installed on the upper part of the inner wall of the soundproof shell. Multiple openings are provided at the bottom of the soundproof shell. Heat dissipation components are provided at the bottom of the first, second, and third placement plates.

[0007] Preferably, the heat dissipation assembly includes a connecting housing, which is installed below the corresponding placement plate. A condenser tube is installed on the inner wall of the connecting housing. The water inlet end of the condenser tube passes through the connecting housing and extends to one side thereon, and a wooden plug is provided at the inlet end of the condenser tube.

[0008] Preferably, two fixing blocks are installed on one side of the mounting plate. The two fixing blocks are arranged symmetrically above and below each other, and a bolt is threadedly connected to one side of the two fixing blocks and the outer shell.

[0009] Preferably, the upper surface of the first placement plate is provided with a charger body, and the upper surfaces of the second and third placement plates are each provided with a set of module slots for installing other modules.

[0010] Preferably, the first placement plate, the second placement plate, and the third placement plate each have a plurality of ventilation holes on both sides.

[0011] Preferably, the soundproof housing is made of cork board and is located above the first placement plate.

[0012] Preferably, the outer wall of the mounting plate is provided with a sealing layer, and the sealing layer is made of silicone rubber.

[0013] Preferably, the outer shell is made of aluminum and is formed by a potting process.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. This utility model uses two fans positioned above the first, second, and third placement plates. When the fans are working, air is blown out from the openings at the bottom of the soundproof housing, thereby dissipating heat from the multiple placement plates. The fans' placement within the soundproof housing also reduces noise. Furthermore, condenser tubes are installed at the bottom of each placement plate, and condensate is added to these tubes to bring them close to each plate, further enhancing the cooling effect. By combining these two methods, the top and bottom of the first, second, and third placement plates are cooled simultaneously through two cooling mechanisms, improving the overall cooling efficiency. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the main structure of the solar-powered DC-DC charger for new energy vehicles.

[0017] Figure 2 This is a schematic diagram of the main structure of the solar DC-DC charger for new energy vehicles.

[0018] Figure 3 This is a schematic diagram of the cross-sectional structure of the solar-powered DC-DC charger for new energy vehicles.

[0019] Figure 4 This is a schematic diagram of the first placement plate, second placement plate, and third placement plate of the new energy vehicle solar DCDC charger of this utility model.

[0020] Figure 5 This is a schematic diagram of the condenser tube structure of the solar DC-DC charger for new energy vehicles.

[0021] Figure 6 This is a schematic diagram of the sealing layer structure of the solar DC-DC charger for new energy vehicles according to this utility model.

[0022] In the diagram, the correspondence between component names and drawing numbers is as follows:

[0023] 1. Outer shell; 2. External interface; 3. Support leg; 4. Mounting plate; 5. First placement plate; 6. Charger body; 7. Second placement plate; 8. Third placement plate; 9. Module slot; 10. Fixing block; 11. Bolt; 12. Connecting shell; 13. Condenser pipe; 14. Cork; 15. Soundproof shell; 16. Fan; 17. Opening; 18. Sealing layer; 19. Ventilation hole. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0025] Example:

[0026] As attached Figure 1 To be continued Figure 6 As shown:

[0027] This utility model provides a solar DC-DC charger for new energy vehicles, including a housing 1 and an external interface 2 on one side for connecting other devices. Support legs 3 are installed on both sides of the lower surface of the housing 1. A mounting plate 4 is provided on one side of the housing 1, and a first placement plate 5, a second placement plate 7, and a third placement plate 8 are installed on one side of the mounting plate 4. The first placement plate 5, the second placement plate 7, and the third placement plate 8 are slidably connected to the inner wall of the housing 1 on both sides. A soundproof shell 15 is installed above the inner wall of the housing 1, and a fan 16 is installed above the inner wall of the soundproof shell 15. Multiple openings 17 are provided at the bottom of the soundproof shell 15. Heat dissipation components are provided at the bottom of the first placement plate 5, the second placement plate 7, and the third placement plate 8. In actual use, the housing 1 can be connected to a solar photovoltaic panel through the external interface 2, i.e., the charger itself... The device 6 is connected to the solar photovoltaic panel, and then sequentially connected to the solar charger control relay and the power battery. Its working process is as follows: the solar photovoltaic panel converts solar energy into direct current (DC). After regulation and conversion by the DC-DC charger, it provides a stable charging voltage and current to the power battery. The power battery stores electrical energy and supplies power to the load when needed. The solar charger control relay controls the on / off state of the charging circuit according to the controller's instructions, protecting the battery and system from abnormal conditions such as overcharging, over-discharging, and short circuits. Simultaneously, this solar DC-DC charger can convert the input low voltage, such as 20V-50V, into a high voltage of 230V-380V through an external transformer. It has the function of automatically tracking the power battery voltage, that is, adjusting its own output voltage to match the power battery's operating voltage.

[0028] The heat dissipation component includes a connecting housing 12, which is installed below the corresponding placement plates. A condenser pipe 13 is installed on the inner wall of the connecting housing 12. The water inlet of the condenser pipe 13 passes through the connecting housing 12 and extends to one side. A wooden plug 14 is provided at the inlet of the condenser pipe 13. Two fans 16 are set above the first placement plate 5, the second placement plate 7, and the third placement plate 8. When the fans 16 are working, the air blows out from the opening 17 at the bottom of the soundproof housing 15, thereby dissipating heat from the multiple placement plates. The fans 16 being located in the soundproof housing 15 can reduce noise. By providing condenser pipes 13 at the bottom of each placement plate and adding condensate to the condenser pipes 13 so that the condenser pipes 13 are close to each placement plate, the cooling effect is further enhanced. The combination of these two methods simultaneously cools the top and bottom of the first placement plate 5, the second placement plate 7, and the third placement plate 8, improving the cooling effect.

[0029] Two fixing blocks 10 are installed on one side of the mounting plate 4. The two fixing blocks 10 are arranged symmetrically above and below each other, and a bolt 11 is threadedly connected to one side of the two fixing blocks 10 and the outer shell 1. The fixing blocks 10 and the bolt 11 facilitate the quick disassembly and installation of the mounting plate 4 so as to inspect and maintain the internal devices and modules.

[0030] The charger body 6 is provided on the upper surface of the first placement plate 5, and the upper surfaces of the second placement plate 7 and the third placement plate 8 are each provided with a set of module slots 9 for installing other modules.

[0031] The first placement plate 5, the second placement plate 7, and the third placement plate 8 each have multiple ventilation holes 19 on both sides. The air from the fan 16 can pass through and circulate through the ventilation holes 19, thereby reducing the overall internal temperature. This can lower the temperature of the first placement plate 5, the second placement plate 7, and the third placement plate 8, keeping the device operating at a normal temperature.

[0032] The soundproof housing 15 is made of cork wood and is located above the first placement plate 5. The soundproof housing 15 can insulate the fan 16 and reduce the noise caused by the fan 16.

[0033] The outer wall of the mounting plate 4 is provided with a sealing layer 18, which is made of silicone rubber. The silicone rubber sealing layer 18 enhances the sealing of the contact surface between the mounting plate 4 and the outer shell 1.

[0034] The outer casing 1 is made of aluminum and is fused together using a potting process. By using a potting process on the outer casing 1, the potting process can isolate the components from environmental influences, prevent moisture, humidity and dust from corroding the electronic components, significantly improve their stability and waterproof performance, and the protective layer formed by the potting process can enhance the components' resistance to external impacts and vibrations, and extend their service life.

[0035] The working principle of this embodiment is as follows: First, the fan 16 is installed above the inner wall of the soundproof housing 15. When the fan 16 is working, the generated air blows out from multiple openings 17 at the bottom of the soundproof housing 15. The air blows downward through the openings 17 to the first placement plate 5, the second placement plate 7 and the third placement plate 8, which actively dissipates heat from the placement plates and the modules above them. The soundproof housing 15 is made of cork wood, which can effectively reduce the noise generated when the fan 16 is working and reduce the impact on the external environment.

[0036] Secondly, each placement plate, such as the first placement plate 5, the second placement plate 7, and the third placement plate 8, has a connecting housing 12 installed at its bottom. A condenser pipe 13 is installed on the inner wall of the connecting housing 12. The water inlet of the condenser pipe 13 passes through the connecting housing 12 and is sealed by a wooden plug 14. In use, condensate can be added to the condenser pipe 13. The condenser pipe 13 is close to the placement plate, and the heat of the placement plate is absorbed through the circulation of the condensate, further reducing the temperature of the placement plate and achieving passive heat dissipation. Multiple ventilation holes 19 are opened on both sides of the first placement plate 5, the second placement plate 7, and the third placement plate 8. The air blown out by the fan 16 forms an air circulation between the placement plates through the ventilation holes 19, further reducing the temperature of the placement plate and the module above it, ensuring that the device operates at a normal temperature. The charger body 6 is installed on the first placement plate 5, and a set of module slots 9 are opened on the second placement plate 7 and the third placement plate 8 for installing other modules. The design of the module slots 9 allows the modules to fit tightly against the placement plate, facilitating heat dissipation. Meanwhile, the dual heat dissipation method of fan 16 and condenser pipe 13 can effectively reduce the temperature of the module and ensure the stable operation of the module;

[0037] Finally, the mounting plate 4 is threadedly connected to the outer casing 1 by two fixing blocks 10 and bolts 11, which facilitates quick disassembly and installation. When it is necessary to inspect or repair the internal devices or modules, the mounting plate 4 can be quickly disassembled by loosening the bolts 11, which is convenient for operation. The outer wall of the mounting plate 4 is provided with a silicone rubber sealing layer 18 to enhance the sealing of the contact surface between the mounting plate 4 and the outer casing 1, and prevent dust and moisture from entering. The cork board material of the soundproof casing 15 not only reduces the noise of the fan 16, but also reduces the impact of external noise on the inside of the device, thus improving the operating environment of the device.

[0038] The embodiments of this utility model are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the utility model to the forms disclosed. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described in order to better illustrate the principles and practical applications of this utility model, and to enable those skilled in the art to understand this utility model and design various embodiments with various modifications suitable for a particular purpose.

Claims

1. A solar-powered DC-DC charger for new energy vehicles, comprising a housing (1) and an external interface (2) on one side for connecting other devices, characterized in that: Support legs (3) are installed on both sides of the lower surface of the outer shell (1). An installation plate (4) is provided on one side of the outer shell (1). A first placement plate (5), a second placement plate (7), and a third placement plate (8) are installed on one side of the installation plate (4). The first placement plate (5), the second placement plate (7), and the third placement plate (8) are slidably connected to the inner wall of the outer shell (1) on both sides. A soundproof shell (15) is installed on the upper part of the inner wall of the outer shell (1). A fan (16) is installed on the upper part of the inner wall of the soundproof shell (15). Multiple openings (17) are provided at the bottom of the soundproof shell (15). Heat dissipation components are provided at the bottom of the first placement plate (5), the second placement plate (7), and the third placement plate (8).

2. The solar DC-DC charger for new energy vehicles as described in claim 1, characterized in that: The heat dissipation assembly includes a connecting housing (12), which is installed below the corresponding placement plate. A condenser tube (13) is installed on the inner wall of the connecting housing (12). The water inlet end of the condenser tube (13) passes through the connecting housing (12) and extends to one side thereon. A wooden plug (14) is provided at the inlet port of the condenser tube (13).

3. The solar DC-DC charger for new energy vehicles as described in claim 1, characterized in that: Two fixing blocks (10) are installed on one side of the mounting plate (4). The two fixing blocks (10) are arranged symmetrically above and below, and a bolt (11) is threadedly connected between one side of the two fixing blocks (10) and the outer shell (1).

4. The solar DC-DC charger for new energy vehicles as described in claim 1, characterized in that: The upper surface of the first placement plate (5) is provided with a charger body (6), and the upper surfaces of the second placement plate (7) and the third placement plate (8) are each provided with a set of module slots (9) for installing other modules.

5. The solar DC-DC charger for new energy vehicles as described in claim 4, characterized in that: Multiple ventilation holes (19) are provided on both sides of the first placement plate (5), the second placement plate (7) and the third placement plate (8).

6. The solar DC-DC charger for new energy vehicles as described in claim 1, characterized in that: The soundproof housing (15) is made of cork wood and is located above the first placement plate (5).

7. The solar DC-DC charger for new energy vehicles as described in claim 1, characterized in that: The outer wall of the mounting plate (4) is provided with a sealing layer (18), which is made of silicone rubber.

8. The solar DC-DC charger for new energy vehicles as described in claim 1, characterized in that: The outer shell (1) is made of aluminum structure and is fused together by potting process.