Vehicle-mounted cabinet heat dissipation and air exhaust structure

By using a modular aluminum alloy cabinet and fan system design, and utilizing the vehicle's tailgate to exhaust hot air, the problems of low heat dissipation efficiency of the vehicle-mounted cabinet and high interior temperature are solved, achieving efficient heat dissipation and improved comfort.

CN224684593UActive Publication Date: 2026-08-25成都华日通讯技术股份有限公司
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Patent Information

Application Number
CN202522001069.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-17
Publication Date
2026-08-25
Estimated Expiration
2035-09-17

AI Technical Summary

Technical Problem

Existing vehicle-mounted cabinets have low heat dissipation efficiency, resulting in excessively high temperatures inside the vehicle, which affects equipment operation and passenger comfort.

Method used

The system adopts a modular high-strength aluminum alloy cabinet, combined with a top centrifugal fan and a tailgate DC fan. It utilizes the vehicle's original ventilation system, designs a narrow air duct and enlarges the end of the air duct, and exhausts hot air through the vehicle's tailgate, avoiding modifications to the vehicle body structure.

Benefits of technology

It improves the heat dissipation efficiency inside the cabinet, reduces the temperature inside the vehicle, ensures stable operation of the equipment and enhances passenger comfort, without affecting the structural stability of the vehicle body.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses a vehicle -mounted machine cabinet heat dissipation exhaust structure, including the main body of machine cabinet, is provided with centrifugal fan in the upper portion of machine cabinet body, and centrifugal fan is linked with one side of the air duct in the machine cabinet, and the other side of the air duct in the machine cabinet is opposite the tail door air inlet, and the tail door air inlet is linked with the tail door through tail door channel and tail door direct -current fan intercommunication. The utility model discloses through the design of the centrifugal fan of top and the original outward exhaust of vehicle, makes cold air to be able to quickly exhaust machine cabinet, and take away heat through the outward air outlet of vehicle, greatly improves the heat dissipation efficiency, ensures the equipment in the machine cabinet to operate stably under the temperature of suitability, prolongs equipment life. The design utilizes the air exchange air port of the original vehicle body, solves the problem that the hot gas and waste gas of machine cabinet are exhausted to the vehicle, improves the comfort of the members in the vehicle. And this design scheme does not need to change the original structure of vehicle body, guarantees the stability of vehicle body structure.
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Description

Technical Field

[0001] This utility model relates to the field of vehicle-mounted equipment technology, specifically to a vehicle-mounted cabinet heat dissipation and ventilation structure. Background Technology

[0002] With the continuous development of in-vehicle electronic equipment, the number and power of devices inside the in-vehicle cabinet are increasing, resulting in more and more heat generation. Therefore, the requirements for heat dissipation and ventilation of in-vehicle cabinets are also becoming increasingly stringent.

[0003] Existing vehicle-mounted server rack cooling and ventilation technologies generally employ traditional air-cooling methods, involving the use of a fan either inside or outside the rack for exhaust and heat dissipation. This technology primarily suffers from the following problems:

[0004] Low heat dissipation efficiency: Relying solely on simple fans for exhaust results in an inefficient airflow path within the server rack, failing to quickly and effectively remove heat. This can easily lead to overheating inside the rack, affecting the normal operation and lifespan of the equipment. For example, the common method of installing a single fan on the side or back of the rack only creates airflow in a localized area, causing heat to easily accumulate at the top of the rack.

[0005] Excessive interior temperature: Due to the limited space inside the vehicle, which is a relatively enclosed environment, a large amount of hot air from the equipment rack is directly vented into the interior, causing passengers to feel excessively hot. The large amount of equipment exchanging heat within the confined space further exacerbates the increase in operating temperature. Furthermore, the high-temperature exhaust fumes produced by the equipment may contain large amounts of toxic gases, affecting passenger health. Utility Model Content

[0006] The purpose of this invention is to provide a heat dissipation and ventilation structure for vehicle-mounted cabinets to solve the problems of low heat dissipation efficiency and excessively high interior temperature in existing special vehicles.

[0007] This utility model is specifically implemented as follows:

[0008] A vehicle-mounted cabinet heat dissipation and ventilation structure includes a cabinet body, a centrifugal fan installed at the top inside the cabinet body, the centrifugal fan being connected to one side of the air duct inside the cabinet, the other side of the air duct inside the cabinet facing the tailgate air inlet, and the tailgate air inlet being connected to the tailgate DC fan through the tailgate channel.

[0009] A further step is:

[0010] The main cabinet is located in the trunk of the vehicle body.

[0011] The main body of the cabinet is made of high-strength aluminum alloy.

[0012] The main body of the cabinet is composed of multiple detachable cabinet modules, which facilitates disassembly and installation.

[0013] The air duct at the end of the cabinet is designed with an enlarged air duct.

[0014] The air duct is connected to an external air outlet for heat dissipation.

[0015] The centrifugal fan is fixed to the cabinet by shock-absorbing rubber pads and high-strength bolts.

[0016] The DC fan is fixed to the heat dissipation vent in the tailgate passage of the vehicle by screws, and the heat dissipation vent is located inside the spare tire in the tailgate.

[0017] This utility model has at least the following technical effects:

[0018] High-efficiency heat dissipation: Through the top centrifugal fan and the vehicle's original exhaust design, cool air can be quickly expelled from the cabinet, and heat is carried away through the vehicle's exhaust vents, which greatly improves heat dissipation efficiency, ensures that the equipment in the cabinet operates stably at a suitable temperature, and extends the service life of the equipment.

[0019] Improving interior comfort: This design utilizes the original vehicle's air exchange vents to solve the problem of hot air and exhaust fumes from the control cabinets being discharged into the vehicle, thus improving passenger comfort. Furthermore, this design does not require alteration to the original vehicle structure, ensuring structural stability. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure including the vehicle body according to one embodiment of the present utility model;

[0021] Figure 2 This is a schematic diagram of the structure of one embodiment of the present utility model;

[0022] Figure 3 This is a schematic diagram of the cabinet air duct structure according to an embodiment of the present invention;

[0023] Figure 4 This is a schematic diagram of the tailgate fan installation position according to one embodiment of the present invention. Detailed Implementation

[0024] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0025] As attached Figure 1-4 As shown, this utility model provides a vehicle-mounted cabinet heat dissipation and ventilation structure, including a cabinet body 4. A centrifugal fan 2 is installed inside the upper part of the cabinet body 4. The centrifugal fan 2 is connected to one side of the air duct 3 inside the cabinet. The other side of the air duct 3 inside the cabinet faces the tailgate air inlet 5. The tailgate air inlet 5 is connected to the tailgate DC fan 6 through the tailgate channel 7.

[0026] Rack Structure Design: The main rack body 4 adopts a modular design, composed of multiple detachable rack modules, allowing for flexible assembly and adjustment according to different equipment needs. The rack body is made of high-strength aluminum alloy, which is not only lightweight but also has excellent thermal conductivity. The rack is located in the trunk of the main vehicle body 1, thus shortening the distance for hot air to be exhausted from the rack and improving heat dissipation efficiency.

[0027] Airflow Design: A centrifugal fan 2 is located in the top area inside the cabinet. The fan outlet of the centrifugal fan 2 is connected to the exhaust duct via screws. The narrow duct helps to increase the exhaust air pressure. The end of the duct adopts an enlarged duct design to reduce the airflow resistance at the outlet. The duct is connected to an exhaust heat dissipation hole 9, which further improves the heat dissipation effect. At this time, the hot air inside the cabinet can be exhausted from the cabinet. The cabinet exhaust outlet is located at the top of the cabinet, directly opposite the tailgate air inlet 5 of the vehicle. The tailgate of the vehicle is equipped with the original ventilation duct, namely the tailgate passage 7. A tailgate DC fan 6 is installed at the outlet of the tailgate passage 7 to draw air out of the vehicle and exhaust the hot air outside. This structure does not require damage to the vehicle body and can make full use of the vehicle's own tailgate ventilation duct, resulting in lower costs.

[0028] Cabinet fan installation and fixing: The centrifugal fan 2 is fixed to the cabinet body 4 by shock-absorbing rubber pads 8 and high-strength bolts. The shock-absorbing rubber pads can effectively reduce the impact of vehicle vibration on the fan. The air outlet of the centrifugal fan is tightly connected to the air duct to ensure smooth airflow.

[0029] Tailgate fan installation and fixing: The tailgate DC fan 6 is fixed to the heat dissipation vent of the vehicle's tailgate passage 7 with screws. The tailgate DC fan 6 is installed on the outside of the vehicle body and adopts a waterproof, dustproof and silent fan. Both the heat dissipation vent and the tailgate DC fan 6 are located inside the tailgate spare tire, which reduces the impact of wind and sand on the tailgate DC fan.

[0030] Although the present invention has been described herein with reference to illustrative embodiments, the above embodiments are merely preferred embodiments of the present invention, and the implementation of the present invention is not limited to the above embodiments. It should be understood that those skilled in the art can design many other modifications and implementations, which will fall within the scope and spirit of the principles disclosed in this application.

Claims

1. A vehicle-mounted cabinet heat dissipation and ventilation structure, comprising a cabinet body, characterized in that: A centrifugal fan is installed at the top inside the main body of the cabinet. The centrifugal fan is connected to one side of the air duct inside the cabinet. The other side of the air duct inside the cabinet faces the air inlet of the tail door. The air inlet of the tail door is connected to the DC fan of the tail door through the tail door channel.

2. The vehicle-mounted cabinet heat dissipation and ventilation structure according to claim 1, characterized in that: The main cabinet is located in the trunk of the vehicle body.

3. The vehicle-mounted cabinet heat dissipation and ventilation structure according to claim 1, characterized in that: The main body of the cabinet is made of high-strength aluminum alloy.

4. The vehicle-mounted cabinet heat dissipation and ventilation structure according to claim 1, characterized in that: The main body of the cabinet is composed of multiple detachable cabinet modules, which facilitates disassembly and installation.

5. The vehicle-mounted cabinet heat dissipation and ventilation structure according to claim 1, characterized in that: The air duct at the end of the cabinet is designed with an enlarged air duct.

6. The vehicle-mounted cabinet heat dissipation and ventilation structure according to claim 1 or 5, characterized in that: The air duct is connected to an external air outlet for heat dissipation.

7. The vehicle-mounted cabinet heat dissipation and ventilation structure according to claim 1, characterized in that: The centrifugal fan is fixed to the cabinet by shock-absorbing rubber pads and high-strength bolts.

8. The vehicle-mounted cabinet heat dissipation and ventilation structure according to claim 1, characterized in that: The DC fan is fixed to the heat dissipation vent in the tailgate passage of the vehicle by screws, and the heat dissipation vent is located inside the spare tire in the tailgate.