Adjustable low-energy-consumption cooling device for hydrogen fuel cell tractor

Abstract

The utility model discloses an adjustable low-energy-consumption cooling device for a hydrogen fuel cell tractor, which comprises a main water chamber, an auxiliary water chamber and a controller, and the main water chamber and the auxiliary water chamber are arranged independently and are respectively connected with a driving unit and a hydrogen fuel cell system through pipelines. And the controller is connected with a temperature sensor for monitoring the temperature of cooling liquid in the main water chamber and the auxiliary water chamber in real time and a fan for continuously adjusting the rotating speed along with the temperature change of the cooling liquid. The cooling device is simple in structure, the temperature of cooling liquid in the main water chamber and the auxiliary water chamber can be monitored in real time through the temperature sensor, an instruction is sent out according to the change of temperature signals, the rotating speed of the fan is controlled through the controller, the drive unit keeps the appropriate balance temperature, work efficiency is improved, and energy consumption is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of cooling systems for tractors, in particular to an adjustable low-energy consumption cooling device for hydrogen fuel cell tractors. Background Art

[0002] In recent years, with the development of the industry, traditional internal combustion tractors have been affected by exhaust emissions pollution, and the cost of upgrading exhaust after-treatment technology has become increasingly high. At present, pure electric tractors use batteries as power, which have problems such as short battery life and long charging time. Hydrogen fuel cell tractors have the characteristics of zero emissions, short hydrogen refueling time, and long battery life, and are now gradually being used.

[0003] However, for high-power fuel cell tractors, the hydrogen fuel cell system and the drive unit need to be cooled to ensure high-performance operation of the system. In order to better ensure the operating adaptability of the tractor under different working conditions, the conventional cooling system meets the requirements by improving the fan and radiator parameters. At the same time, it also brings about an increase in the energy consumption of the whole vehicle and the technical problem of excessive wind noise. Therefore, an adjustable low-energy cooling device for hydrogen fuel cell tractors is proposed. Utility Model Content

[0004] The purpose of the utility model is to provide an adjustable low-energy consumption cooling device for a hydrogen fuel cell tractor to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an adjustable low-energy consumption cooling device for a hydrogen fuel cell tractor, comprising a main water chamber, an auxiliary water chamber and a controller, wherein the main water chamber and the auxiliary water chamber are independently arranged, and the main water chamber and the auxiliary water chamber are respectively connected to a drive unit and a hydrogen fuel cell system through pipelines, and the controller is connected to a temperature sensor that monitors the coolant temperature in the main water chamber and the auxiliary water chamber in real time, and a fan that continuously adjusts the rotation speed as the coolant temperature changes.

[0006] As a further solution of the utility model: a water storage tank is arranged on the main water chamber for replenishing coolant to the main water chamber and the auxiliary water chamber respectively, and the water storage tank is provided with a water filling port and a liquid level observation mirror.

[0007] As a further solution of the utility model: a controller is installed on the upper surface of the water tank, and the controller is connected to the temperature sensor and the fan respectively through a wiring harness.

[0008] As a further solution of the utility model: the number of the temperature sensors is two, and the two temperature sensors are respectively arranged on the surface of the main water chamber and the auxiliary water chamber.

[0009] As a further solution of the utility model: the main water chamber and the auxiliary water chamber are both connected to the wind gathering hood.

[0010] As a further solution of the utility model: the number of the fans is two, and the two fans are both arranged on the wind gathering cover.

[0011] As a further solution of the utility model: a main water chamber upper water inlet and a main water chamber lower water inlet connected to the interior of the main water chamber are installed on the surface of the main water chamber, and the main water chamber upper water inlet and the main water chamber lower water inlet are connected to the water inlet and outlet of the driving unit through a pipeline.

[0012] As a further solution of the utility model: the auxiliary water chamber surface is installed with an auxiliary water chamber water inlet and an auxiliary water chamber water outlet connected to the interior thereof, and the auxiliary water chamber water inlet and the auxiliary water chamber water outlet are connected to the water inlet and outlet of the hydrogen fuel cell system through a pipeline.

[0013] As a further solution of the utility model: a fixed base is installed on the surface of the main water chamber.

[0014] Compared with the prior art, the beneficial effects of the utility model are: the temperature of the coolant in the main water chamber and the auxiliary water chamber can be monitored in real time through the temperature sensor and the change of the temperature signal can be issued. The controller controls the speed of the fan to achieve the drive unit to maintain a suitable balanced temperature, improve work efficiency and reduce energy consumption. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of the cooling device of the utility model;

[0016] Figure 2 This is a schematic diagram of the bottom of the overall structure of the cooling device of the utility model;

[0017] In the figure: 1. Main water chamber; 2. Water inlet of main water chamber; 3. Water outlet of main water chamber; 4. Fan; 5. Auxiliary water chamber; 6. Water inlet of auxiliary water chamber; 7. Water outlet of auxiliary water chamber; 8. Wind collecting hood; 9. Water storage tank; 10. Liquid level observation mirror; 11. Water filling port; 12. Temperature sensor; 13. Wiring harness; 14. Controller; 15. Fixed base. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0019] See also Figure 1-2In an embodiment of the utility model, an adjustable low-energy cooling device for a hydrogen fuel cell tractor includes a main water chamber 1, an auxiliary water chamber 5 and a controller 14. The main water chamber 1 and the auxiliary water chamber 5 are independently arranged. The main water chamber 1 and the auxiliary water chamber 5 are respectively connected to the drive unit and the hydrogen fuel cell system through pipelines. The controller 14 is connected to a temperature sensor 12 that monitors the coolant temperature in the main water chamber 1 and the auxiliary water chamber 5 in real time, and a fan 4 that continuously adjusts the speed as the coolant temperature changes.

[0020] Specifically, the main water chamber 1 is fixedly installed on the upper surface of the auxiliary water chamber 5, the coolant in the main water chamber 1 corresponds to the drive unit, and the coolant in the auxiliary water chamber 5 corresponds to the hydrogen fuel cell system. Secondly, the temperature sensor 12 can monitor the coolant temperature in the main water chamber 1 and the auxiliary water chamber 5 in real time and feed back to the controller 14. The controller 14 controls the speed of the fan 4 according to the signal data provided by the temperature sensor 12. When the temperature of the coolant is high, the speed of the fan 4 is fast. Conversely, when the temperature of the coolant is low, the speed of the fan 4 is low. The speed of the fan 4 can be continuously adjusted according to the change of temperature to ensure the low energy consumption and high performance of the cooling system.

[0021] See also Figure 1 In one embodiment, in this embodiment, preferably, a water tank 9 is provided on the main water chamber 1 for replenishing coolant to the main water chamber 1 and the auxiliary water chamber 5 respectively, and a pipe connected to the water inlet on the main water chamber 1 and the auxiliary water chamber 5 is fixed on the water tank 9. The water tank 9 is provided with a water filling port 11 and a liquid level observation mirror 10. The main water chamber 1 and the auxiliary water chamber 5 are both provided with air holes. When the coolant enters the main water chamber 1 and the auxiliary water chamber 5, the air can be discharged through the air holes. A pipe is provided between the air holes and the water tank 9, so that there is no need to worry about the coolant being discharged through the air holes during the use of the tractor.

[0022] Specifically, the water tank 9 is fixed on the upper surface of the main water chamber 1, and a water inlet 11 is fixed on the upper surface of the water tank 9, so that the coolant can be injected into the interior of the water tank 9 to the maximum extent. At the same time, a liquid level observation mirror 10 is installed on the vertical side wall of the water tank 9, and the coolant capacity of the water tank 9 can be observed at any time through the liquid level observation mirror 10.

[0023] See also Figure 1 In one embodiment, in this embodiment, preferably, a controller 14 is installed on the upper surface of the water tank 9, and the controller 14 is connected to the temperature sensor 12 and the fan 4 respectively through a wiring harness 13. The number of the temperature sensors 12 is two, and the two temperature sensors 12 are respectively arranged on the surface of the main water chamber 1 and the auxiliary water chamber 5.

[0024] Specifically, the controller 14 is integrated into the upper surface of the water tank 9, so that other vehicle models can use it directly by connecting the water inlet, and it has good versatility. There are two wiring harnesses 13, one end of each of the two wiring harnesses 13 is connected to the controller 14, and the other ends of the two wiring harnesses 13 are respectively connected to the two temperature sensors 12, and secondly, the middle parts of the two wiring harnesses 13 extend outward with secondary lines connected to the fan 4.

[0025] See also Figure 1 In one embodiment, in this embodiment, preferably, the main water chamber 1 and the auxiliary water chamber 5 are both connected to the wind collecting hood 8. In this embodiment, preferably, the number of fans 4 is two, and the two fans 4 are both arranged on the wind collecting hood 8. Furthermore, the installation positions of the two fans 4 correspond to the positions of the drive unit and the hydrogen fuel cell system, respectively, so that they maintain a suitable balanced temperature, improve work efficiency, and reduce energy consumption.

[0026] See also Figure 1 In one embodiment, in this embodiment, preferably, a main water chamber upper water inlet 2 and a main water chamber lower water inlet 3 connected to the interior of the main water chamber 1 are installed on the surface of the main water chamber 1, and the main water chamber upper water inlet 2 and the main water chamber lower water inlet 3 are connected to the water inlet and outlet of the driving unit through a pipe.

[0027] Specifically, the main water chamber water inlet 2 is arranged at a position near the top of the side wall of the main water chamber 1, and the main water chamber water outlet 3 is arranged at a position near the bottom of the side wall of the main water chamber 1. Such a design facilitates the injection or discharge of coolant into or out of the main water chamber 1, and enters the water inlet of the drive unit through the main water chamber water outlet 3. The gravity of water can be used to reduce flow resistance and form better circulation fluidity.

[0028] See also Figure 1 In one embodiment, in this embodiment, preferably, the auxiliary water chamber 5 is provided with an auxiliary water chamber upper water inlet 6 and an auxiliary water chamber lower water inlet 7 connected to the interior thereof, and the auxiliary water chamber upper water inlet 6 and the auxiliary water chamber lower water inlet 7 are connected to the water inlet and outlet of the hydrogen fuel cell system through a pipeline.

[0029] Specifically, the auxiliary water chamber water inlet 6 is arranged at a position near the top of the auxiliary water chamber 5 side wall, and the auxiliary water chamber water outlet 7 is arranged at a position near the bottom of the auxiliary water chamber 5 side wall. Such a design facilitates the injection or discharge of coolant into the auxiliary water chamber 5, and enters the water inlet of the hydrogen fuel cell system through the auxiliary water chamber water outlet 7. The gravity of water can be used to reduce flow resistance and form better circulation fluidity.

[0030] See also Figure 1 In one embodiment, in this embodiment, preferably, a fixed base 15 is installed on the surface of the main water chamber 1. Further, the cooling device can be installed on the whole vehicle through the fixed base 15, and can also be used to provide heat dissipation for components such as hydraulic oil and transmission oil of the tractor, and has high adaptability.

[0031] Although this specification is described according to implementation modes, not every implementation mode includes only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

[0032] Therefore, the above description is only a preferred embodiment of the present application and is not intended to limit the scope of implementation of the present application; that is, all equivalent changes made according to the scope of the claims of the present application are within the protection scope of the claims of the present application.

Claims

1. An adjustable low-energy cooling device for a hydrogen fuel cell tractor, characterized in that: The invention comprises a main water chamber (1), an auxiliary water chamber (5) and a controller (14); the main water chamber (1) and the auxiliary water chamber (5) are independently arranged; the main water chamber (1) and the auxiliary water chamber (5) are respectively connected to a drive unit and a hydrogen fuel cell system through pipelines; the controller (14) is connected to a temperature sensor (12) for real-time monitoring of the temperature of the coolant in the main water chamber (1) and the auxiliary water chamber (5) and a fan (4) whose rotation speed is continuously adjusted as the temperature of the coolant changes.

2. The adjustable low-energy consumption cooling device for a hydrogen fuel cell tractor according to claim 1 is characterized in that: The main water chamber (1) is provided with a water storage tank (9) for replenishing the main water chamber (1) and the auxiliary water chamber (5) with cooling liquid respectively. The water storage tank (9) is provided with a water filling port (11) and a liquid level observation mirror (10).

3. The adjustable low-energy consumption cooling device for a hydrogen fuel cell tractor according to claim 2 is characterized in that: A controller (14) is installed on the upper surface of the water storage tank (9), and the controller (14) is connected to the temperature sensor (12) and the fan (4) respectively through a wiring harness (13).

4. The adjustable low-energy consumption cooling device for a hydrogen fuel cell tractor according to claim 3 is characterized in that: The number of the temperature sensors (12) is two, and the two temperature sensors (12) are respectively arranged on the surface of the main water chamber (1) and the surface of the auxiliary water chamber (5).

5. The adjustable low-energy consumption cooling device for a hydrogen fuel cell tractor according to claim 3 is characterized in that: The main water chamber (1) and the auxiliary water chamber (5) are both connected to a wind collecting hood (8).

6. The adjustable low-energy consumption cooling device for a hydrogen fuel cell tractor according to claim 5, characterized in that: The number of the fans (4) is two, and both fans (4) are arranged on the wind gathering cover (8).

7. The adjustable low-energy consumption cooling device for a hydrogen fuel cell tractor according to claim 1, characterized in that: The main water chamber (1) is provided with a main water chamber upper water inlet (2) and a main water chamber lower water inlet (3) connected to the interior thereof on its surface; the main water chamber upper water inlet (2) and the main water chamber lower water inlet (3) are connected to the water inlet and outlet of the driving unit via a pipeline.

8. The adjustable low-energy consumption cooling device for a hydrogen fuel cell tractor according to claim 1, characterized in that: An auxiliary water chamber upper water inlet (6) and an auxiliary water chamber lower water inlet (7) which are connected to the interior of the auxiliary water chamber (5) are installed on the surface of the auxiliary water chamber (5); the auxiliary water chamber upper water inlet (6) and the auxiliary water chamber lower water inlet (7) are connected to the water inlet and outlet of the hydrogen fuel cell system via a pipeline.

9. The adjustable low-energy consumption cooling device for a hydrogen fuel cell tractor according to claim 1, characterized in that: A fixed base (15) is installed on the surface of the main water chamber (1).

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