A U-shaped flow dissipating radiator structure for an automobile

CN224621583UActive Publication Date: 2026-08-11JIANGSU CHAOLI RADIATOR
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-10-23
Publication Date
2026-08-11

AI Technical Summary

Technical Problem

[0004]本实用新型的目的在于提供一种汽车用U型流散热器结构,优化冷却液流道,解决现有散热器散热效率不足的问题

Benefits of technology

[0012] 1. High heat dissipation efficiency: The two rows of cooling pipes adopt a series flow channel from the near air side to the right water chamber and then to the far air side, avoiding the problem of low heat exchange efficiency on the far air side in the traditional same flow channel. Under the same working conditions, the heat dissipation efficiency is 6%-8% higher than that of the traditional structure.

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Abstract

This utility model discloses a U-shaped flow radiator structure for automobiles, relating to the field of automotive cooling system technology. It solves the problem of insufficient heat dissipation efficiency in existing dual-row radiators. The structure includes a main board, side plates, a sealing ring, a left water chamber, a right water chamber, two rows of cooling pipes, and fins. The left water chamber is divided into a near-wind side cavity and a far-wind side cavity by a longitudinal partition, while the right water chamber is a completely sealed cavity. The two rows of cooling pipes connect the near-wind side cavity and the far-wind side cavity of the left water chamber, as well as the right water chamber. The fins are located between the two rows of cooling pipes. Coolant flows through the near-wind side cavity to the near-wind side cooling pipe, then to the right water chamber, and then enters the far-wind side cooling pipe before finally being discharged from the far-wind side cavity, significantly improving heat dissipation efficiency and making it suitable for automotive engine cooling.
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Description

Technical Field

[0001] This utility model relates to the field of automotive cooling system technology, specifically to a U-shaped flow radiator structure for automobiles. Background Technology

[0002] In automotive cooling systems, radiators are used to cool the engine and are a key component to ensure the normal operation of the engine. For radiators with a thicker core, a design with two rows of cooling pipes is often used to meet the heat dissipation requirements. In radiators with the inlet and outlet on the same side, a horizontal baffle is installed in the water chamber to divide the water chamber into two chambers to allow coolant to flow.

[0003] However, in existing dual-pipe radiators, the coolant in the two rows of cooling pipes mostly flows in the same direction. Because the cooling pipes on the near-wind side, which are closer to the fan, exchange heat with the cold air effectively, the coolant has a good cooling effect. However, the cooling pipes on the far-wind side, which are farther from the fan, have low heat exchange efficiency because the air temperature rises after passing through the near-wind side. As a result, the overall heat dissipation performance of the radiator is limited, making it difficult to meet the heat dissipation requirements of the engine under high load conditions. Therefore, it is necessary to design a U-shaped flow radiator structure for automobiles to solve the above problems. Utility Model Content

[0004] The purpose of this invention is to provide a U-shaped flow radiator structure for automobiles, optimize the coolant flow path, and solve the problem of insufficient heat dissipation efficiency of existing radiators.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a U-shaped flow radiator structure for automobiles, comprising a main board, side plates, sealing rings, a left water chamber, a right water chamber, cooling pipes, and fins; the main board is sealed to the left and right water chambers respectively through the sealing rings, and the main board, sealing rings, and right water chamber enclose a complete sealed cavity. A longitudinal partition is provided within the cavity formed by the main board, sealing rings, and left water chamber, which divides the left water chamber into two independent sealed small cavities, namely a near-wind side cavity and a far-wind side cavity; the cooling pipes are provided in two rows, with the two rows of cooling pipes distributed in parallel and both ends penetrating the main board, one row of cooling pipes being the near-wind side cooling pipes close to the fan, with both ends connected to the near-wind side cavity of the left water chamber and the complete sealed cavity of the right water chamber respectively, and the other row of cooling pipes being the far-wind side cooling pipes away from the fan, with both ends connected to the far-wind side cavity of the left water chamber and the complete sealed cavity of the right water chamber respectively.

[0006] A further improvement of this utility model is that the fins are fixed between two adjacent rows of cooling pipes.

[0007] A further improvement of this utility model is that the side plate is fixed on both sides of the overall structure of the radiator.

[0008] A further improvement of this utility model is that: the small cavity on the near-wind side of the left water chamber is provided with a water inlet, and the small cavity on the far-wind side is provided with a water outlet, and both the water inlet and the water outlet are used to connect to the coolant circulation pipe of the automobile engine.

[0009] A further improvement of this utility model is that the sealing ring is a high and low temperature resistant rubber ring and is respectively attached to the connection surface between the main board and the left water chamber and the connection surface between the main board and the right water chamber.

[0010] A further improvement of this utility model is that the cooling pipe is an aluminum flat tube, and the surface of the cooling pipe is provided with concave and convex textures.

[0011] A further improvement of this utility model is that the fins are aluminum corrugated fins, and the fins are fixed to the cooling pipe by brazing.

[0012] 1. High heat dissipation efficiency: The two rows of cooling pipes adopt a series flow channel from the near air side to the right water chamber and then to the far air side, avoiding the problem of low heat exchange efficiency on the far air side in the traditional same flow channel. Under the same working conditions, the heat dissipation efficiency is 6%-8% higher than that of the traditional structure.

[0013] 2. Reliable structure: The longitudinal baffle of the left water chamber is integrally formed with the water chamber and is equipped with a high and low temperature resistant sealing ring to effectively prevent coolant leakage; the cooling pipe and fins are fixed by brazing, with high connection strength, which can adapt to the vibration and temperature changes during vehicle operation.

[0014] 3. Good compatibility: The inlet and outlet positions are consistent with traditional radiators on the same side, so there is no need to change the layout of the engine coolant circulation pipe. It can directly replace the existing dual-pipe radiators with a larger core thickness, and has wide adaptability. Attached Figure Description

[0015] Figure 1 This is an exploded structural diagram of the present invention; Figure 2 This is a complete structural schematic diagram of the present invention; Figure 3 This is a side view of the structure of this utility model; Figure 4 This is a schematic diagram of the structure of the left cavity of this utility model; Figure 5 This is a schematic diagram of the right cavity of this utility model.

[0016] Figure 6 This is a schematic diagram of the liquid flow direction in the left cavity of this utility model; Figure 7 This is a schematic diagram of the liquid flow direction in the right cavity of this utility model.

[0017] Figure description: 1-Main board, 2-Side plate, 3-Sealing ring, 4-Left water chamber, 5-Right water chamber, 6-Cooling pipe, 7-Fin, 8-Longitudinal partition, 9-Near air side small cavity, 10-Far air side small cavity, 11-Near air side cooling pipe, 12-Far air side cooling pipe, 13-Water inlet, 14-Water outlet. Detailed Implementation

[0018] To enable those skilled in the art to better understand the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

[0019] This embodiment provides a U-shaped flow radiator structure for automobiles, including a main board 1, a side plate 2, a sealing ring 3, a left water chamber 4, a right water chamber 5, a cooling pipe 6, and fins 7. The main board 1 is connected to the left water chamber 4 and the right water chamber 5 respectively through the sealing ring 3 in a sealed manner, and the main board 1, the sealing ring 3, and the right water chamber 5 form a complete sealed cavity. A longitudinal partition 8 is provided in the cavity formed by the main board 1, the sealing ring 3, and the left water chamber 4, and the longitudinal partition 8 divides the interior of the left water chamber 4 into two independent sealed sections. The small cavities are a near-wind side small cavity 9 and a far-wind side small cavity 10. The cooling pipes 6 are arranged in two rows, with the two rows of cooling pipes 6 distributed in parallel and both ends penetrating the main board 1. One row of cooling pipes 6 is the near-wind side cooling pipe 11, which is close to the fan, and its two ends are connected to the near-wind side small cavity 9 of the left water chamber 4 and the complete sealed cavity of the right water chamber 5, respectively. The other row of cooling pipes 6 is the far-wind side cooling pipe 12, which is far from the fan, and its two ends are connected to the far-wind side small cavity 10 of the left water chamber 4 and the complete sealed cavity of the right water chamber 5, respectively.

[0020] The fins 7 are fixed between two adjacent rows of cooling pipes 6; the side plates 2 are fixed on both sides of the overall radiator structure; the left water chamber 4 has an inlet 13 on the near-wind side cavity 9 and an outlet 14 on the far-wind side cavity 10, and both the inlet 13 and outlet 14 are used to connect to the coolant circulation pipe of the car engine; the sealing ring 3 is a high and low temperature resistant rubber ring and is respectively attached to the connection surface between the main board 1 and the left water chamber 4 and the connection surface between the main board 1 and the right water chamber 5; the cooling pipes 6 are aluminum flat tubes and the surface of the cooling pipes 6 is provided with concave and convex textures; the fins 7 are aluminum corrugated fins and the fins 7 are fixed to the cooling pipes 6 by brazing.

[0021] The main structure of this utility model is as follows: 1. Sealing structure: The main board 1 is the core connecting component. It is sealed and assembled with the left water chamber 4 and the right water chamber 5 respectively through the sealing ring 3. The main board 1, the sealing ring 3 and the right water chamber 5 form a complete sealed cavity without partitions for coolant diversion. After the main board 1, the sealing ring 3 and the left water chamber 4 are assembled, the longitudinal partition 8 in the left water chamber 4 divides it into two independent sealed small cavities, namely the near-wind side small cavity 9 (corresponding to the water inlet 13) and the far-wind side small cavity 10 (corresponding to the water outlet 14).

[0022] 2. Cooling and support structure: The cooling pipes 6 are arranged in two rows and are parallel to each other. They all pass through the near-air cooling pipe 11 (close to the fan) of the main board 1 and connect the two ends of the near-air small cavity 9 of the left water chamber and the complete cavity of the right water chamber 5. The far-air cooling pipe 12 (away from the fan) connects the two ends of the far-air small cavity 10 of the left water chamber and the complete cavity of the right water chamber 5. The fins 7 are fixed between adjacent cooling pipes 6 to increase the heat exchange area. The side plates 2 are fixed on both sides of the radiator to provide support and protection.

[0023] This invention improves heat dissipation efficiency by optimizing the coolant flow path. The specific flow path is as follows: The high-temperature coolant discharged from the car engine enters the inlet of the near-wind side cavity 9 of the left water chamber 4 through the pipe. The coolant then enters the near-wind side cooling pipe 11, where it exchanges heat with the outside cold air through the fins 7 to cool down. The cooled coolant then flows into the complete cavity of the right water chamber 5, achieving a reversal. The reversed coolant then enters the far-wind side cooling pipe 12 to continue exchanging heat with the air. Finally, the coolant flows into the far-wind side cavity 10 of the left water chamber 4 and flows back to the engine through the outlet 14, completing the heat dissipation cycle.

[0024] The above are merely preferred embodiments of this utility model, but do not limit the patent scope of this utility model. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing specific embodiments, or make equivalent substitutions for some of the technical features. Any equivalent structures made using the content of this utility model's specification and drawings, whether directly or indirectly applied to other related technical fields, are similarly within the patent protection scope of this utility model.

Claims

1. A U-shaped flow radiator structure for automobiles, characterized in that: The system includes a main board, side plates, sealing rings, a left water chamber, a right water chamber, cooling pipes, and fins. The main board is sealed to the left and right water chambers via the sealing rings, and the main board, sealing rings, and right water chamber together form a complete sealed cavity. A longitudinal partition is provided within the cavity formed by the main board, sealing rings, and left water chamber, dividing the left water chamber into two independent sealed cavities: a near-wind side cavity and a far-wind side cavity. The cooling pipes are arranged in two rows, parallel to each other and penetrating the main board at both ends. One row of cooling pipes is the near-wind side cooling pipe, which is close to the fan, and its two ends are connected to the near-wind side cavity of the left water chamber and the complete sealed cavity of the right water chamber, respectively. The other row of cooling pipes is the far-wind side cooling pipe, which is far from the fan, and its two ends are connected to the far-wind side cavity of the left water chamber and the complete sealed cavity of the right water chamber, respectively.

2. The automotive U-shaped flow radiator structure according to claim 1, characterized in that: The fins are fixed between two adjacent rows of cooling pipes.

3. The automotive U-shaped flow radiator structure according to claim 1, characterized in that: The side plates are fixed to both sides of the overall structure of the radiator.

4. The automotive U-shaped flow radiator structure according to claim 1, characterized in that: The left water chamber has an inlet on the near-wind side and an outlet on the far-wind side. Both the inlet and outlet are used to connect to the coolant circulation pipe of the car engine.

5. The automotive U-shaped flow radiator structure according to claim 1, characterized in that: The sealing rings are high and low temperature resistant rubber rings and are respectively attached to the connection surface between the main board and the left water chamber, and the connection surface between the main board and the right water chamber.

6. The automotive U-shaped flow radiator structure according to claim 1, characterized in that: The cooling pipe is an aluminum flat tube, and the surface of the cooling pipe is provided with concave and convex textures.

7. The automotive U-shaped flow radiator structure according to claim 1, characterized in that: The fins are corrugated aluminum fins, and the fins are fixed to the cooling pipes by brazing.