Fuel cell engine cooling system and vehicle

Abstract

The utility model relates to the technical field of vehicle cooling systems, and particularly discloses a fuel cell engine cooling system and a vehicle, the fuel cell engine cooling system comprises a first radiator, a second radiator, a first expansion box and a second expansion box, and the first radiator and the second radiator are arranged at the top end of a hydrogen bottle frame of a vehicle frame side by side; meanwhile, the first expansion box is located between the first radiator and the second radiator, and the second expansion box is arranged on one side of the first radiator or the second radiator, so that the first radiator, the second radiator, the first expansion box and the second expansion box are all located at the top end of the hydrogen bottle frame; in this way, dust and impurities are prevented from being scattered on the first radiator, the second radiator, the first expansion box and the second expansion box in the vehicle operation process, and smooth air circulation can be guaranteed. Long-term operation of the cooling system is facilitated, and failure of parts and assemblies of the cooling system caused by impurities and foreign matters is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle cooling systems, in particular to a fuel cell engine cooling system and a vehicle. Background Art

[0002] At present, there are many types of cooling system structural designs for fuel-electric vehicles in my country. In the prior art, most of the cooling systems of vehicle engines are installed close to the engine in order to reduce the length of the pipeline layout and save costs. Therefore, the cooling system is usually installed at the front of the vehicle or close to the ground. However, with this setting, when the vehicle has been operating for a long time, a large amount of dust and impurities are likely to fall on the cooling system, resulting in poor cooling effect, which is not conducive to the long-term operation of the cooling system and may even cause failure of cooling system components, affecting the normal operation of the vehicle. Utility Model Content

[0003] The utility model aims to provide a fuel cell engine cooling system and a vehicle to solve the problem that the cooling system of the existing vehicle easily accumulates a large amount of dust and impurities, causing the cooling system components to fail, thereby affecting the normal operation of the vehicle.

[0004] On the one hand, the utility model provides a fuel cell engine cooling system, including: a first radiator, a second radiator, a first expansion tank and a second expansion tank, the first radiator and the second radiator are arranged side by side at the top of the hydrogen bottle frame of the vehicle frame, and the first radiator and the second radiator are both used to cool the fuel cell engine of the vehicle; the first expansion tank is arranged on the hydrogen bottle frame and is located between the first radiator and the second radiator, and the first expansion tank is used to degas the first radiator, the second radiator and the fuel cell engine; the second expansion tank is arranged on one side of the first radiator or the second radiator, and the second expansion tank is connected to the accessories of the fuel cell engine to degas the accessories of the fuel cell engine.

[0005] As a preferred solution of a fuel cell engine cooling system, the fuel cell engine cooling system also includes a third radiator and an insulating frame, the insulating frame is installed at the bottom of the first radiator, the third radiator is installed at the bottom of the insulating frame, and the third radiator is connected to the accessories of the fuel cell engine to cool the accessories of the fuel cell engine.

[0006] As a preferred solution of a fuel cell engine cooling system, the fuel cell engine cooling system also includes a water inlet pipe and a water return pipe, a first radiator has a first water inlet and a first water outlet, a second radiator has a second water inlet and a second water outlet, one water inlet of the water inlet pipe is connected to the first water outlet, another water inlet of the water inlet pipe is connected to the second water outlet, the water outlet of the water inlet pipe is connected to the water inlet of the fuel cell engine, the water inlet of the water return pipe is connected to the water outlet of the fuel cell engine, one water return pipe is connected to the first water inlet, and another water return pipe is connected to the second water inlet.

[0007] As a preferred solution for a fuel cell engine cooling system, the fuel cell engine cooling system includes a temperature sensor, a water inlet pipe includes a first tube body and a second tube body connected to each other, a water inlet of the first tube body is connected to a first water outlet, another water inlet of the first tube body is connected to the second water outlet, the second tube body is connected to the water inlet of the fuel cell engine, and the temperature sensor is arranged on the second tube body, and the temperature sensor is used to detect the temperature of water in the second tube body.

[0008] As a preferred solution of a fuel cell engine cooling system, the fuel cell engine cooling system also includes a first degassing pipe and a second degassing pipe. The first expansion tank is connected to the first radiator and the second radiator through the first degassing pipe to degas the first radiator and the second radiator; the first expansion tank is connected to the fuel cell engine through the second degassing pipe to degas the fuel cell engine.

[0009] As a preferred solution of a fuel cell engine cooling system, the fuel cell engine cooling system further includes a deionizer disposed on the first degassing pipe, and the deionizer is used to remove charged particles in water.

[0010] As a preferred solution of a fuel cell engine cooling system, the fuel cell engine cooling system further includes a supply pipe, and the first expansion tank is connected to the fuel cell engine through the supply pipe to replenish water or add coolant to the fuel cell engine.

[0011] As a preferred solution of a fuel cell engine cooling system, the fuel cell engine cooling system also includes a fourth radiator and a third expansion tank. The fourth radiator is arranged on the rear side of the front cross beam of the frame. The fourth radiator is connected to the power motor of the vehicle to cool the power motor. The third expansion tank is arranged at the top of the fourth radiator. The third expansion tank is used to degas the fourth radiator and the power motor.

[0012] As a preferred solution of a fuel cell engine cooling system, the fuel cell engine cooling system also includes a fifth radiator and a fourth expansion tank. The fifth radiator is arranged at the bottom of the hydrogen bottle frame. The fifth radiator is used to cool the battery pack of the vehicle. The fourth expansion tank is located inside the hydrogen bottle frame and is arranged close to the fifth radiator. The fourth expansion tank is used to degas the battery pack.

[0013] As a preferred solution of a fuel cell engine cooling system, the fuel cell engine cooling system also includes a dust cover, which is arranged at the bottom of the hydrogen bottle frame, and the fifth radiator is arranged in the dust cover.

[0014] On the other hand, the utility model provides a vehicle, including a frame, a hydrogen bottle frame, a front cross beam and a fuel cell engine cooling system in any of the above schemes, the hydrogen bottle frame is vertically arranged on the frame, the front cross beam is arranged at the front end of the frame, and the fuel cell engine cooling system is installed on the hydrogen bottle frame and the frame.

[0015] The beneficial effects of the utility model are:

[0016] The utility model provides a fuel cell engine cooling system, wherein a first radiator and a second radiator are arranged side by side at the top of a hydrogen bottle frame of a vehicle frame, and a first expansion tank is located between the first radiator and the second radiator, and the second expansion tank is arranged on one side of the first radiator or the second radiator. The above arrangement mode enables the first radiator, the second radiator, the first expansion tank and the second expansion tank to be located at the top of the hydrogen bottle frame, thus avoiding dust and impurities from being scattered on the first radiator, the second radiator, the first expansion tank and the second expansion tank during vehicle operation, and also ensuring smooth air circulation. It is more conducive to the long-term operation of the cooling system and avoids the failure of the components and assemblies of the cooling system caused by impurities and foreign objects. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the first radiator, the second radiator and the first expansion tank in the embodiment of the utility model;

[0018] Figure 2 The structure of a vehicle in another embodiment of the present invention is shown in FIG. Figure 1 ;

[0019] Figure 3 The structure of a vehicle in another embodiment of the present invention is shown in FIG. Figure 2 .

[0020] In the figure:

[0021] 1. First radiator; 11. First water inlet; 12. First water outlet; 2. Second radiator; 21. Second water inlet; 22. Second water outlet; 3. First expansion tank; 4. Second expansion tank; 5. Third radiator; 6. Water inlet pipe; 61. First tube body; 62. Second tube body; 7. Water return pipe; 8. Temperature sensor; 91. First degassing pipe; 92. Second degassing pipe; 93. Deionizer; 94. Supply pipe; 95. Fourth radiator; 96. Third expansion tank; 97. Fifth radiator; 98. Fourth expansion tank; 99. Insulation frame;

[0022] 100. Vehicle frame; 110. Hydrogen bottle frame; 120. Front crossbeam; 130. Fuel cell engine. DETAILED DESCRIPTION

[0023] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. Among them, the terms "first position" and "second position" are two different positions, and the first feature "above", "above" and "above" the second feature include the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. The first feature "below", "below" and "below" the second feature include the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0027] like Figure 1 As shown, the present embodiment provides a fuel cell engine cooling system, which arranges a first radiator 1 and a second radiator 2 side by side at the top of a hydrogen bottle frame 110 of a vehicle frame 100. This arrangement allows the first radiator 1 and the second radiator 2 to be as far away from the ground as possible to avoid the accumulation of a large amount of dust and impurities. Since the vehicle space is compact, more parts assemblies need to be arranged. This can also make the air flow smoothly during heat dissipation, avoiding the problem of poor air flow in a narrow space; and the first expansion tank 3 is arranged between the first radiator 1 and the second radiator 2, so that it can be as close to the first radiator 1 and the second radiator 2 as possible, avoiding the need for longer connecting pipes and layout space, effectively increasing the utilization rate of the layout space and reducing costs.

[0028] Furthermore, since the heat dissipation of the fuel cell engine 130 itself is large, the heat dissipation burden of the first radiator 1 and the second radiator 2 is large, and it is impossible to simultaneously meet the heat dissipation of the accessories of the fuel cell engine 130. Therefore, this scheme installs the third radiator 5 on the bottom of the first radiator 1 through the insulating frame 99, and sets the second expansion tank 4 on one side of the first radiator 1 or the second radiator 2. In this way, the third radiator 5 and the second expansion tank 4 are both located on the upper part of the hydrogen bottle frame 110 to avoid the accumulation of a large amount of dust and the impact on the normal operation of the fuel cell engine cooling system. The third radiator 5 is used to facilitate cooling the accessories of the fuel cell engine 130, and the second expansion tank 4 can also degas and add coolant to the accessories of the fuel cell engine 130.

[0029] It should be noted that the accessories of the fuel cell engine 130 are an air compressor, a humidifier, a hydrogen circulation pump, a high-pressure hydrogen bottle, and the like.

[0030] The insulating frame 99 is provided to avoid a conductive connection between the third heat sink 5 and the first heat sink 1 .

[0031] like Figure 1As shown, the fuel cell engine cooling system also includes a water inlet pipe 6 and a water return pipe 7, the first radiator 1 has a first water inlet 11 and a first water outlet 12, and the second radiator 2 has a second water inlet 21 and a second water outlet 22. This design enables the liquid in the first radiator 1 and the second radiator 2 to flow into the second tube body 62 through the first tube body 61, and then flow into the fuel cell engine 130 through the second tube body 62, and the first radiator 1 and the second radiator 2 form a parallel water path arrangement.

[0032] At the same time, the water outlet of the fuel cell engine 130 first flows into the return pipe 7, and then the return pipe 7 is divided into two branches, one branch flows to the first water inlet 11 of the first radiator 1, and the other branch flows to the second water inlet 21 of the second radiator 2. In this way, the liquid flowing out of the fuel cell engine 130 flows into the first radiator 1 and the second radiator 2, and the first radiator 1, the second radiator 2 and the fuel cell engine 130 form a circulating heat dissipation.

[0033] In this solution, in order to timely obtain the outlet water temperature of the first radiator 1 and the second radiator 2, the temperature sensor 8 is installed on the second tube body 62, and the temperature sensor 8 is used to detect the temperature of the water in the second tube body 62. In addition, the temperature sensor 8 can be electrically connected to the controller so as to transmit the temperature information to the controller in time, which is convenient for the staff to know.

[0034] In order to facilitate degassing of the first radiator 1, the second radiator 2 and the fuel cell engine 130, the fuel cell engine cooling system also includes a first degassing pipe 91 and a second degassing pipe 92. The first expansion tank 3 degasses the first radiator 1 and the second radiator 2 through the first degassing pipe 91; the first expansion tank 3 degasses the fuel cell engine 130 through the second degassing pipe 92.

[0035] Specifically, the fuel cell engine cooling system further includes a deionizer 93 disposed on the first degassing pipe 91 , and the deionizer 93 can be used to remove charged particles in water.

[0036] Furthermore, the fuel cell engine cooling system also includes a supply pipe 94 , and the first expansion tank 3 can replenish water or add coolant to the fuel cell engine 130 through the supply pipe 94 , thereby ensuring the normal operation of the fuel cell engine 130 .

[0037] In this solution, in order to cool the power motor in the vehicle, the fuel cell engine cooling system also includes a fourth radiator 95 and a third expansion tank 96. Since the front cross beam 120 increases the rigidity and strength of the frame 100, the deformation of the frame 100 is also small, avoiding the passive deformation effect of the deformation of the frame 100 on the fourth radiator 95, thereby reducing the failure of the fourth radiator 95. Therefore, in this solution, the fourth radiator 95 is arranged on the rear side of the front cross beam 120 of the frame 100 to cool the power motor; and the third expansion tank 96 is arranged at the top of the fourth radiator 95 to degas the fourth radiator 95 and the power motor.

[0038] Specifically, since the battery pack of the vehicle is located at the bottom of the vehicle, the fuel cell engine cooling system also includes a fifth radiator 97, a fourth expansion tank 98 and a dust cover. The fifth radiator 97 is arranged in the dust cover, which can effectively prevent the fifth radiator 97 from accumulating a large amount of dust, and at the same time facilitate cooling of the battery pack of the vehicle; wherein, the fourth expansion tank 98 is arranged inside the hydrogen bottle frame 110, and is arranged close to the fifth radiator 97 to degas the battery pack. This arrangement makes rational use of the space of the hydrogen bottle frame 110.

[0039] The fourth expansion tank 98 is made of non-metallic material and is disposed inside the hydrogen bottle frame 110 to be protected from scratches and damages by external objects.

[0040] like Figure 2 and Figure 3 As shown, this embodiment also provides a vehicle, including a frame 100, a hydrogen bottle frame 110, a front cross beam 120 and the above-mentioned fuel cell engine cooling system, the hydrogen bottle frame 110 is vertically arranged on the frame 100, the front cross beam 120 is arranged at the front end of the frame 100, and the fuel cell engine 130 cooling system is installed on the hydrogen bottle frame 110 and the frame 100.

[0041] By adopting the above arrangement, the first radiator 1 and the second radiator 2, which are mainly used to cool the fuel cell engine, are arranged at the top of the hydrogen bottle frame 110, so as to avoid the accumulation of a large amount of dust and impurities, and effectively solve the problem that the cooling system components fail due to the accumulation of a large amount of dust and impurities, thus affecting the normal operation of the vehicle. In addition, since the vehicle space is compact, more parts assemblies need to be arranged, so that the air flow during heat dissipation can be smooth, avoiding the problem of poor air flow in narrow spaces.

[0042] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included in the protection scope of the claims of the present invention.

Claims

1. A fuel cell engine cooling system, characterized in that: include: A first radiator (1), a second radiator (2), a first expansion tank (3) and a second expansion tank (4), wherein the first radiator (1) and the second radiator (2) are arranged side by side at the top of a hydrogen bottle frame (110) of a vehicle frame (100), and the first radiator (1) and the second radiator (2) are both used to cool a fuel cell engine (130) of the vehicle; the first expansion tank (3) is arranged on the hydrogen bottle frame (110) and is located between the first radiator (1) and the second radiator (2), and the first expansion tank (3) is used to degas the first radiator (1), the second radiator (2) and the fuel cell engine (130); the second expansion tank (4) is arranged on one side of the first radiator (1) or the second radiator (2), and the second expansion tank (4) is connected to an accessory of the fuel cell engine (130) to degas the accessory of the fuel cell engine (130).

2. The fuel cell engine cooling system according to claim 1, characterized in that: The fuel cell engine cooling system further comprises a third radiator (5) and an insulating frame (99), wherein the insulating frame (99) is mounted at the bottom of the first radiator (1), and the third radiator (5) is mounted at the bottom of the insulating frame (99), and the third radiator (5) is connected to accessories of the fuel cell engine (130) to cool the accessories of the fuel cell engine (130).

3. The fuel cell engine cooling system according to claim 1, characterized in that: The fuel cell engine cooling system further comprises a water inlet pipe (6) and a water return pipe (7); the first radiator (1) has a first water inlet (11) and a first water outlet (12); the second radiator (2) has a second water inlet (21) and a second water outlet (22); one water inlet of the water inlet pipe (6) is connected to the first water outlet (12); the other water inlet of the water inlet pipe (6) is connected to the second water outlet (22); the water outlet of the water inlet pipe (6) is connected to the water inlet of the fuel cell engine (130); the water inlet of the water return pipe (7) is connected to the water outlet of the fuel cell engine (130); one water return port of the water return pipe (7) is connected to the first water inlet (11); the other water return port of the water return pipe (7) is connected to the second water inlet (21).

4. The fuel cell engine cooling system according to claim 3, characterized in that: The fuel cell engine cooling system comprises a temperature sensor (8); the water inlet pipe (6) comprises a first tube body (61) and a second tube body (62) which are connected to each other; a water inlet of the first tube body (61) is connected to the first water outlet (12); another water inlet of the first tube body (61) is connected to the second water outlet (22); the second tube body (62) is connected to the water inlet of the fuel cell engine (130); the temperature sensor (8) is arranged on the second tube body (62); and the temperature sensor (8) is used to detect the temperature of water in the second tube body (62).

5. The fuel cell engine cooling system according to claim 1, characterized in that: The fuel cell engine cooling system further comprises a first degassing pipe (91) and a second degassing pipe (92); the first expansion tank (3) is connected to the first radiator (1) and the second radiator (2) via the first degassing pipe (91) to degas the first radiator (1) and the second radiator (2); the first expansion tank (3) is connected to the fuel cell engine (130) via the second degassing pipe (92) to degas the fuel cell engine (130).

6. The fuel cell engine cooling system according to claim 5, characterized in that: The fuel cell engine cooling system further comprises a deionizer (93) arranged on the first degassing pipe (91), wherein the deionizer (93) is used to remove charged particles in water.

7. The fuel cell engine cooling system according to any one of claims 1 to 6, characterized in that: The fuel cell engine cooling system further comprises a supply pipe (94), and the first expansion tank (3) is connected to the fuel cell engine (130) via the supply pipe (94) to replenish water or add coolant to the fuel cell engine (130).

8. The fuel cell engine cooling system according to any one of claims 1 to 6, characterized in that: The fuel cell engine cooling system also includes a fourth radiator (95) and a third expansion tank (96); the fourth radiator (95) is arranged on the rear side of the front cross beam (120) of the frame (100); the fourth radiator (95) is connected to the power motor of the vehicle to cool the power motor; the third expansion tank (96) is arranged on the top of the fourth radiator (95); the third expansion tank (96) is used to degas the fourth radiator (95) and the power motor.

9. The fuel cell engine cooling system according to any one of claims 1 to 6, characterized in that: The fuel cell engine cooling system also includes a fifth radiator (97) and a fourth expansion tank (98), wherein the fifth radiator (97) is arranged at the bottom of the hydrogen bottle frame (110), and the fifth radiator (97) is used to cool the battery pack of the vehicle, and the fourth expansion tank (98) is located inside the hydrogen bottle frame (110) and is arranged close to the fifth radiator (97), and the fourth expansion tank (98) is used to degas the battery pack.

10. The fuel cell engine cooling system according to claim 9, characterized in that: The fuel cell engine cooling system further comprises a dust cover, which is arranged at the bottom of the hydrogen bottle frame (110), and the fifth radiator (97) is arranged in the dust cover.

11. A vehicle, characterized in that: The invention comprises a vehicle frame (100), a hydrogen bottle frame (110), a front cross beam (120) and a fuel cell engine cooling system according to any one of claims 1 to 10, wherein the hydrogen bottle frame (110) is vertically arranged on the vehicle frame (100), the front cross beam (120) is arranged at the front end of the vehicle frame (100), and the fuel cell engine (130) cooling system is installed on the hydrogen bottle frame (110) and the vehicle frame (100).

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