OBC power supply heat dissipation structure with liquid cooling guide plate

Abstract

The utility model relates to OBC power supply heat dissipation field especially relates to a kind of OBC power supply heat dissipation structure with liquid cooling baffle, including mounting bracket, the mounting bracket top is fixedly connected with radiator, the radiator rear portion is fixedly connected with circulating pump, the radiator upper portion is fixedly connected with refrigerator, the spiral cooling pipe for heat absorption cooling is embedded in the radiator upper portion, the cooling liquid is filled in the cooling pipe inside, the liquid inlet of the cooling pipe is connected with the outlet of circulating pump by pipeline, the liquid outlet of the cooling pipe is connected with the inlet of refrigerator by pipeline, the outlet of refrigerator is connected with the inlet of circulating pump by pipeline, forms cooling liquid circulation loop. Heat is absorbed by radiator, circulating pump pushes the cooling liquid in cooling pipe, refrigerator will pass through cooling liquid cooling, utilize liquid high specific heat capacity to absorb heat, can absorb the heat on radiator, reach the effect of OBC power supply heat dissipation.

Description

Technical Field

[0001] This utility model relates to the field of OBC power supply heat dissipation, and in particular to an OBC power supply heat dissipation structure with a liquid cooling guide plate. Background Technology

[0002] On-board charger (OBC) power supplies are a core component of new energy vehicle charging systems. The OBC power supply heat dissipation structure is a key component to ensure the normal operation of its power devices. It mainly dissipates the heat generated by the devices in a timely manner through heat conduction and heat convection to avoid performance degradation or failure due to overheating. Existing OBC power supply heat dissipation structures have short lifespans, insufficient reliability, and limited heat dissipation efficiency. There is a need for an OBC heat dissipation structure that can improve heat dissipation efficiency, power density, and system reliability. Utility Model Content

[0003] To overcome the shortcomings of low heat dissipation efficiency in existing technologies, the technical problem to be solved is to provide an OBC power supply heat dissipation structure with a liquid cooling guide plate.

[0004] The technical solution is as follows: an OBC power supply heat dissipation structure with a liquid-cooled guide plate, including a mounting frame, a heat dissipation plate fixedly connected to the top of the mounting frame, a circulation pump fixedly connected to the rear of the heat dissipation plate, a cooler fixedly connected to the upper part of the heat dissipation plate, and a spiral cooling pipe for heat absorption and cooling embedded in the upper part of the heat dissipation plate. The cooling pipe is filled with coolant, the inlet of the cooling pipe is connected to the outlet of the circulation pump through a pipe, the outlet of the cooling pipe is connected to the inlet of the cooler through a pipe, and the outlet of the cooler is connected to the inlet of the circulation pump through a pipe, forming a coolant circulation loop.

[0005] As a further preferred embodiment, a recovery tank is also included. The upper part of the mounting bracket is fixedly connected to the recovery tank for collecting leaked coolant. Linear sensors are arranged in a U-shape on the inner wall of the recovery tank for detecting the liquid level. A controller is fixedly connected to the rear part of the mounting bracket. The controller is electrically connected to the linear sensors and the alarm respectively. When the sensor detects a leak, the controller triggers the alarm to sound an alarm.

[0006] As a further preferred option, absorbent cotton is also included, with absorbent cotton fixedly connected to the inner walls of the recovery tank to absorb small amounts of leaked liquid.

[0007] As a further preferred option, a glass cover is also included, which is fixedly connected to the rear of the mounting bracket. The glass cover covers the controller and the alarm, providing protection.

[0008] As a further preferred embodiment, a protective cover is also included, which is fixedly connected to the upper part of the mounting bracket. The protective cover covers the heat sink, cooler, and cooling pipes to prevent external impact.

[0009] As a further preferred option, an anti-slip pad is also included, with the lower part of the mounting bracket fixedly connected to the anti-slip pad to enhance installation stability.

[0010] Compared with the prior art, the present invention has the following advantages: 1. Heat is absorbed by the heat sink plate, the circulating pump pushes the coolant in the cooling pipe, and the cooler will cool the passing coolant. By using the high specific heat capacity of the liquid to absorb heat, the heat on the heat sink plate can be absorbed, thereby achieving the effect of heat dissipation for the OBC power supply.

[0011] 2. As the liquid flows into the recovery tank, it triggers a linear sensor, which then sends information to the controller. The controller then activates an alarm and flashes lights to alert staff to replace the circuit and prevent the liquid from damaging the circuitry. Attached Figure Description

[0012] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0013] Figure 2 This is a three-dimensional structural diagram of the mounting bracket, circulating pump, and cooling pipe of this utility model.

[0014] Figure 3 This is a three-dimensional structural diagram of the linear sensor, controller, and absorbent cotton of this utility model.

[0015] The components are: 1-mounting bracket, 2-heat sink, 3-circulating pump, 4-cooler, 5-cooling pipe, 6-recovery tank, 7-linear sensor, 8-controller, 9-alarm, 10-absorbent cotton, 11-glass cover, 12-protective cover, 13-anti-slip mat. Detailed Implementation

[0016] The technical solutions in the embodiments of this utility model will be clearly and completely described below. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0017] Example: An OBC power supply heat dissipation structure with a liquid cooling guide plate, such as... Figure 1-3As shown, the device includes a mounting bracket 1, a heat sink 2, a circulating pump 3, a cooler 4, and a cooling pipe 5. The heat sink 2 is fixedly connected to the top of the mounting bracket 1, the circulating pump 3 is fixedly connected to the rear of the heat sink 2, and the cooler 4 is fixedly connected to the upper part of the heat sink 2. The upper part of the heat sink 2 is fitted with a spiral cooling pipe 5 for heat absorption and cooling. The cooling pipe 5 is filled with coolant. The inlet of the cooling pipe 5 is connected to the outlet of the circulating pump 3 through a pipe, the outlet of the cooling pipe 5 is connected to the inlet of the cooler 4 through a pipe, and the outlet of the cooler 4 is connected to the inlet of the circulating pump 3 through a pipe, forming a coolant circulation loop.

[0018] When the car is started, the OBC power supply generates heat. The heat sink 2 absorbs this heat and conducts it to the spiral cooling pipe 5 embedded in its upper part. The circulation pump 3 drives the coolant in the cooling pipe 5 to flow in a directional manner, utilizing the high specific heat capacity of the liquid to absorb the heat from the heat sink 2, thus achieving heat exchange. The cooled coolant flows into the refrigerator 4, is cooled by the refrigerator 4, and then flows back to the cooling pipe 5 to continue circulating, thereby continuously dissipating heat from the heat sink 2 and achieving heat dissipation for the OBC power supply.

[0019] like Figure 2 and Figure 3 As shown, the system also includes a recovery tank 6, a linear sensor 7, a controller 8, and an alarm 9. The recovery tank 6, used to collect leaked coolant, is fixedly connected to the upper part of the mounting bracket 1. The linear sensor 7 is arranged in a U-shape on the inner wall of the recovery tank 6 to detect the liquid level. The controller 8 is fixedly connected to the rear part of the mounting bracket 1. The controller 8 is electrically connected to both the linear sensor 7 and the alarm 9. When the sensor detects a leak, the controller 8 triggers the alarm 9 to sound an alarm. The system also includes absorbent cotton 10, which is fixedly connected to the inner walls of the recovery tank 6.

[0020] After prolonged use, the liquid cooling system may experience aging and leakage in the cooling pipe 5. If coolant leaks, the liquid will first be absorbed by the absorbent cotton 10 surrounding the recovery tank 6, temporarily storing the liquid and preventing splashing. When the liquid exceeds the capacity of the absorbent cotton 10, it will drip to the bottom of the recovery tank 6 under gravity, triggering the linear sensors 7 arranged in a U-shape. The sensors send an electrical signal to the controller 8, which then triggers the alarm 9 to issue an audible and visual alarm, prompting personnel to replace the leaking component and prevent liquid from flowing into the circuit and causing OBC power failure.

[0021] like Figure 1-3As shown, the mounting bracket 1 also includes a glass cover 11, which is fixedly connected to the rear of the mounting bracket 1. It also includes a protective cover 12, which is fixedly connected to the upper part of the mounting bracket 1 and covers the heat sink 2, the cooler 4, and the cooling pipe 5. Finally, it includes an anti-slip pad 13, which is fixedly connected to the lower part of the mounting bracket 1.

[0022] The glass cover 11 at the rear of the mounting bracket 1 covers the controller 8 and the alarm 9, preventing external impacts while not affecting the normal transmission of the alarm 9's audible and visual signals, thus protecting the alarm components. The protective cover 12 at the top of the mounting bracket 1 covers the heat sink 2, the cooler 4, and the cooling pipe 5, forming a physical barrier to prevent foreign objects from impacting the cooling pipe 5 or other core components when the vehicle is moving. The anti-slip pad 13 at the bottom of the mounting bracket 1 increases the friction of the contact surface, counteracting the vibrations during vehicle movement, preventing bolt loosening, and ensuring installation stability.

[0023] Although the present invention has been described with reference to exemplary embodiments, it should be understood that the present invention is not limited to the disclosed exemplary embodiments. The scope of the following claims should be given the broadest interpretation in order to cover all variations and equivalent structures and functions.

Claims

1. An OBC power supply heat dissipation structure with liquid-cooled baffles, characterized in that: The device includes a mounting bracket (1), a heat sink plate (2) fixedly connected to the top of the mounting bracket (1), a circulation pump (3) fixedly connected to the rear of the heat sink plate (2), a cooler (4) fixedly connected to the upper part of the heat sink plate (2), and a spiral cooling pipe (5) for absorbing heat and cooling is embedded in the upper part of the heat sink plate (2). The cooling pipe (5) is filled with coolant. The inlet of the cooling pipe (5) is connected to the outlet of the circulation pump (3) through a pipe. The outlet of the cooling pipe (5) is connected to the inlet of the cooler (4) through a pipe. The outlet of the cooler (4) is connected to the inlet of the circulation pump (3) through a pipe, forming a coolant circulation loop.

2. The OBC power supply heat dissipation structure with liquid-cooled guide plates according to claim 1, characterized in that: It also includes a recovery tank (6), and the upper part of the mounting frame (1) is fixedly connected to the recovery tank (6) for collecting leaked coolant. The inner wall of the recovery tank (6) is arranged with linear sensors (7) in a U-shape to detect the liquid level. The rear part of the mounting frame (1) is fixedly connected to a controller (8), which is electrically connected to the linear sensors (7) and the alarm (9) respectively. When the sensor detects a leak, the controller (8) triggers the alarm (9) to issue an alarm.

3. The OBC power supply heat dissipation structure with liquid-cooled guide plates according to claim 2, characterized in that: It also includes absorbent cotton (10), which is fixedly connected to the inner wall of the recovery tank (6) to absorb a small amount of leaked liquid.

4. The OBC power supply heat dissipation structure with liquid-cooled guide plates according to claim 3, characterized in that: It also includes a glass cover (11), which is fixedly connected to the rear of the mounting bracket (1), and the glass cover (11) covers the controller (8) and the alarm (9).

5. The OBC power supply heat dissipation structure with liquid-cooled guide plates according to claim 4, characterized in that: It also includes a protective cover (12), which is fixedly connected to the upper part of the mounting bracket (1). The protective cover (12) covers the heat sink (2), the cooler (4) and the cooling pipe (5).

6. The OBC power supply heat dissipation structure with liquid-cooled guide plates according to claim 5, characterized in that: It also includes an anti-slip pad (13), and the lower part of the mounting bracket (1) is fixedly connected to the anti-slip pad (13).

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