CN221090473U

CN221090473U - Cooling system and amphibious vehicle

Info

Publication number: CN221090473U
Application number: CN202323281960.3U
Authority: CN
Inventors: 韩晨亭; 邓云海; 张周磊
Original assignee: Hunan Province Ground Unmanned Equipment Engineering Research Center Co ltd
Current assignee: Hunan Province Ground Unmanned Equipment Engineering Research Center Co ltd
Priority date: 2023-12-04
Filing date: 2023-12-04
Publication date: 2024-06-07
Anticipated expiration: 2033-12-04

Abstract

The present utility model provides a cooling system and an amphibious vehicle, wherein the cooling system comprises: a heat generating part; a first electromagnetic valve connected to the heat generating component; a water pump connected to the first solenoid valve, connected to the liquid source through a first liquid path, the water pump having a first state and a second state, the water pump being capable of pumping a first fluid from the liquid source to the heat generating component with the water pump in the first state; the first sensor is arranged on the first liquid path; a second electromagnetic valve connected to the heat generating component; the air cooling radiating component is connected with the second electromagnetic valve and the liquid source; the water-cooling heat exchanger is connected with the second electromagnetic valve and the liquid source, and is connected with the spray pump through a second liquid path, the spray pump is in a third state and a fourth state, and the spray pump is used for pumping second fluid to the water-cooling heat exchanger under the condition that the spray pump is in the third state; the second sensor is arranged on the second liquid path; and the controller is connected with the first electromagnetic valve, the water pump, the first sensor, the second electromagnetic valve, the second sensor and the spray pump.

Description

Cooling system and amphibious vehicle

Technical Field

The utility model relates to the technical field of amphibious vehicles, in particular to a cooling system and an amphibious vehicle.

Background

In the related art, amphibious vehicles have two modes of operation, a land travel mode and a water travel mode, respectively. When the amphibious vehicle is in a land running mode, the heat dissipation requirement is relatively small, and the amphibious vehicle needs to be cooled by adopting an air cooling mode; when the amphibious vehicle is in the water navigation mode, the heat dissipation requirement is relatively large, and the water cooling mode is needed for cooling. The cooling mode is switched by manual operation of a driver, so that the situation of poor cooling effect or excessive cooling is easy to occur, and the service life of the device or the component can be influenced.

Disclosure of utility model

In order to solve or improve at least one of the above problems, an object of the present utility model is to provide a cooling system.

Another object of the utility model is to provide an amphibious vehicle.

To achieve the above object, a first aspect of the present utility model provides a cooling system comprising: a heat generating part; a first electromagnetic valve connected to the heat generating component; a water pump connected to the first solenoid valve, the water pump being adapted to be connected to a liquid source through a first liquid path, the water pump having a first state and a second state, the water pump being capable of pumping a first fluid from the liquid source to the heat generating component with the water pump in the first state; the first sensor is arranged on the first liquid path; a second electromagnetic valve connected to the heat generating component; the air cooling radiating component is connected with the second electromagnetic valve and is used for connecting a liquid source; the water-cooling heat exchanger is connected with the second electromagnetic valve, is used for being connected with a liquid source, is used for being connected with the spray pump through a second liquid path, and has a third state and a fourth state; the second sensor is arranged on the second liquid path; and the controller is connected with the first electromagnetic valve, the water pump, the first sensor, the second electromagnetic valve and the second sensor and is used for being connected with the spray pump.

According to the technical scheme of the cooling system provided by the utility model, the cooling system does not need manual operation of a driver, can realize automatic switching and control, can avoid the situation of poor cooling effect or excessive cooling to a great extent, and is beneficial to prolonging the service life of a device or a part. In addition, the cooling system cools the first fluid in an air cooling and water cooling mode in the water navigation mode of the amphibious vehicle, and compared with the mode of cooling the first fluid only through water cooling in the water navigation mode, the design mode can reduce the volume of the water cooling heat exchanger and a series of parts thereof, is favorable for reducing the overall weight of the cooling system, reduces the cost and optimizes the space layout.

Specifically, the cooling system includes a heat generating component, a first solenoid valve, a water pump, a first sensor, a second solenoid valve, an air-cooled heat sink assembly, a water-cooled heat exchanger, a second sensor, and a controller. Wherein the first electromagnetic valve is connected to the heat generating component. The water pump is connected with the first electromagnetic valve. The water pump is connected with the heat generating component through a first electromagnetic valve. The heat generating component is a component that generates heat during operation of the amphibious vehicle in a land travel mode or in a water travel mode. Optionally, the heat generating component comprises an engine. Optionally, the heat generating component comprises a gearbox. Optionally, the heat generating component comprises a hydraulic oil radiator. The hydraulic oil radiator is a device for radiating or exchanging heat of hydraulic oil in a hydraulic system. Further, the water pump is used for being connected with the liquid source through the first liquid path. The liquid source is a water storage structure and is used for storing a first fluid. Optionally, the water storage structure is an expansion tank, i.e. the liquid source is an expansion tank. Optionally, the first fluid is a cooling liquid. Further, the water pump has a first state and a second state. Optionally, the first state of the water pump is a working state; the second state of the water pump is a non-working state. The water pump is capable of pumping a first fluid from the liquid source to the heat generating component with the water pump in a first state. The heat generating component has a liquid channel through which the first fluid passes. The first fluid passes through the liquid source, the water pump, and the heat generating component in this order. Further, the first sensor is arranged in the first liquid path. The first sensor is for determining a first temperature of the first fluid. The first temperature here is understood to be the temperature at which the first fluid passes through the water pump.

Further, the second electromagnetic valve is connected to the heat generating component. Further, the air cooling heat dissipation assembly is connected with the second electromagnetic valve and is used for being connected with a liquid source. Optionally, the air-cooled heat dissipation assembly includes an air-cooled heat sink and an electrically controlled fan. The air-cooled radiator is provided with a first channel for the first fluid to pass through, and the electric control fan can blow air to the air-cooled radiator so as to radiate the first fluid flowing through the first channel. Further, the water-cooling heat exchanger is connected with the second electromagnetic valve, and the water-cooling heat exchanger is used for being connected with a liquid source. The water-cooling heat exchanger is used for being connected with the spray pump through a second liquid path. The spray pump has a third state and a fourth state. Optionally, the third state of the spray pump is an operating state; the fourth state of the spray pump is a non-operating state. The spray pump is configured to pump the second fluid to the water-cooled heat exchanger when the spray pump is in the third state. It should be noted that, when the amphibious vehicle is in the land running mode, the spray pump does not work, i.e. the spray pump is in the fourth state; in the water navigation mode of the amphibious vehicle, the jet pump works, namely the jet pump is in a third state, and the jet pump can pump the second fluid to the water-cooling heat exchanger. Optionally, the second fluid is water. Optionally, the water-cooled heat exchanger has a second channel for the passage of the first fluid and a third channel for the passage of the second fluid. The first fluid and the second fluid are capable of exchanging heat in a water-cooled heat exchanger. Typically, the temperature of the first fluid as it passes through the second channel is higher than the temperature of the second fluid as it passes through the third channel. The second fluid is capable of cooling the first fluid. Further, the second sensor is arranged in the second liquid path. The second sensor is for determining a first pressure of the second fluid. Optionally, the second sensor is further configured to determine a second temperature of the second fluid. The second temperature here is understood to be the temperature at which the second fluid flows through the jet pump.

Further, a controller is connected to the first solenoid valve, the controller being configured to control a flow rate of the first fluid into the heat generating component through the first solenoid valve. Alternatively, the heat generating part includes a plurality of parts, and the controller is capable of controlling the flow rate of the first fluid into each of the parts through the first solenoid valve. Further, the controller is connected with the water pump, and the controller can control the on-off state (control the water pump to be in the first state or the second state) and the rotating speed of the water pump. Further, a controller is coupled to the first sensor, the controller determining a first temperature of the first fluid via the first sensor. Further, the controller is connected with the second electromagnetic valve, and the controller controls the first fluid to flow into the water-cooling heat exchanger and/or the air-cooling heat dissipation assembly through the second electromagnetic valve. Further, the controller is coupled to the second sensor, and the controller determines a first pressure of the second fluid via the second sensor. Optionally, the controller may also determine a second temperature of the second fluid via a second sensor. Further, the controller is used for being connected with the spray pump, and the controller can control the on-off state (control the spray pump to be in a third state or a fourth state) and the rotating speed of the spray pump. The controller controls the spray pump to be in a fourth state when the amphibious vehicle runs on land; the controller controls the jet pump to be in a third state when the amphibious vehicle is in the water navigation mode, and the jet pump can pump the second fluid to the water-cooled heat exchanger.

Further, the controller is used for judging whether the first temperature is greater than a first threshold value and generating a first judging result. The first threshold is a temperature threshold. The controller determines whether the first fluid needs to be cooled by comparing the first temperature to a first threshold.

If the first judgment result is yes, the controller controls the water pump to be in a first state, and the controller is used for controlling the flow rate of the first fluid entering the heat generating component through the first electromagnetic valve. In the case where it is determined that the first temperature is greater than the first threshold, the controller controls the water pump to operate (controls the water pump to be in the first state), and the controller controls the rotational speed of the water pump according to the first temperature, the controller being able to control the flow rate of the first fluid into the respective components of the heat generating component through the first solenoid valve.

If the first judgment result is negative, the controller controls the water pump to be in the second state. In the case that the first temperature is determined not to be greater than the first threshold value, the cooling system is indicated not to be required to cool down the first fluid, and the controller controls the water pump to be not operated (controls the water pump to be in the second state).

Further, the controller determines a first pressure of the second fluid via the second sensor and determines whether the spray pump is in the third state or the fourth state based on the first pressure. On the premise that the first temperature is determined to be greater than a first threshold value, the controller determines a first pressure and determines whether the spray pump is operating according to the first pressure. Under the condition that the spray pump is in a third state, the controller controls the first fluid to flow into the water-cooling heat exchanger and the air-cooling heat dissipation assembly through the second electromagnetic valve; and under the condition that the spray pump is in the fourth state, the controller controls the first fluid to flow into the air-cooled radiating component through the second electromagnetic valve. The controller controls the spray pump to be in a fourth state and controls the first fluid to flow into the air cooling and radiating assembly through the second electromagnetic valve under the land running mode of the amphibious vehicle, and the cooling system radiates heat of the first fluid only through the air cooling and radiating assembly; the controller controls the spray pump to be in a third state when the amphibious vehicle is in a water navigation mode, and controls the first fluid to flow into the water-cooling heat exchanger and the air-cooling heat dissipation assembly through the second electromagnetic valve. In other words, the cooling system dissipates heat of the first fluid in an air-cooled manner when the amphibious vehicle is in a land running mode; under the water navigation mode of the amphibious vehicle, the cooling system cools the first fluid in an air cooling and water cooling mode.

The controller determines whether the first fluid needs to be cooled according to the first temperature and the first threshold value, and controls the water pump to be in a first state or a second state. On the premise that the first temperature is determined to be greater than a first threshold value, the controller determines a first pressure and determines whether the spray pump is operating according to the first pressure. The controller controls the spray pump to be in a third state when the amphibious vehicle is in a water navigation mode, and controls the first fluid to flow into the water-cooling heat exchanger and the air-cooling heat dissipation assembly through the second electromagnetic valve.

In the technical scheme defined by the utility model, the cooling system does not need manual operation of a driver, can realize automatic switching and control, can avoid the condition of poor cooling effect or excessive cooling to a great extent, and is beneficial to prolonging the service life of the device or the component. In addition, the cooling system cools the first fluid in an air cooling and water cooling mode in the water navigation mode of the amphibious vehicle, and compared with the mode of cooling the first fluid only through water cooling in the water navigation mode, the design mode can reduce the volume of the water cooling heat exchanger and a series of parts thereof, is favorable for reducing the overall weight of the cooling system, reduces the cost and optimizes the space layout.

In addition, the technical scheme provided by the utility model can also have the following additional technical characteristics:

In some embodiments, optionally, the heat generating component comprises: the engine is connected with the first electromagnetic valve and is connected with the second electromagnetic valve through a third liquid path.

In this technical scheme, the heat generating component includes an engine. Specifically, the engine is connected with the first electromagnetic valve, and the engine is connected with the second electromagnetic valve through a third liquid path. The controller is capable of controlling whether the first fluid enters the engine and the flow rate when entering the engine through the first electromagnetic valve.

In some aspects, optionally, the cooling system further comprises: the third sensor is arranged on the third liquid path and is connected with the controller.

In this solution, the cooling system further comprises a third sensor. Specifically, the third sensor is disposed in the third liquid path. The third sensor is connected with the controller. The controller determines a third temperature of the first fluid via a third sensor. The third temperature here is the temperature at which the first fluid passes through the engine. The controller controls the flow of the first fluid into the engine through the first solenoid valve based on the third temperature. Differential cooling of different components is achieved by regulating and controlling the flow of the first fluid in each branch, so that each component always works at the most appropriate temperature, the service life of the component can be effectively prolonged, meanwhile, energy loss is reduced, and cost is reduced.

In some embodiments, optionally, the heat generating component comprises: the gearbox is connected with the second electromagnetic valve, and the engine is connected with the second electromagnetic valve through a fourth liquid path.

In this aspect, the heat generating component includes a transmission case. Specifically, the gearbox is connected with the second electromagnetic valve, and the engine is connected with the second electromagnetic valve through a fourth liquid path. The controller is capable of controlling whether the first fluid enters the gearbox and the flow rate when entering the gearbox through the first electromagnetic valve.

In some aspects, optionally, the cooling system further comprises: and the fourth sensor is arranged on the fourth liquid path and is connected with the controller.

In this solution, the cooling system further comprises a fourth sensor. Specifically, the fourth sensor is disposed in the fourth liquid path. The fourth sensor is connected with the controller. The controller determines a fourth temperature of the first fluid via a fourth sensor. The fourth temperature here is the temperature at which the first fluid passes through the gearbox. The controller controls the flow of the first fluid into the transmission through the first solenoid valve based on the fourth temperature. Differential cooling of different components is achieved by regulating and controlling the flow of the first fluid in each branch, so that each component always works at the most appropriate temperature, the service life of the component can be effectively prolonged, meanwhile, energy loss is reduced, and cost is reduced.

In some embodiments, optionally, the heat generating component comprises: and the hydraulic oil radiator is connected with the second electromagnetic valve and is connected with the second electromagnetic valve through a fifth liquid path.

In this technical solution, the heat generating component includes a hydraulic oil radiator. Specifically, the hydraulic oil radiator is connected with the second electromagnetic valve, and the hydraulic oil radiator is connected with the second electromagnetic valve through a fifth liquid path. The controller is capable of controlling whether the first fluid enters the hydraulic oil radiator and the flow rate when the first fluid enters the hydraulic oil radiator through the first electromagnetic valve.

The heat generating component comprises a plurality of components, the requirements of different components for cooling temperature are different, differential cooling of the different components is realized by regulating and controlling the flow of the first fluid in each branch, each component always works at the most appropriate temperature, the service life of the component can be effectively prolonged, the energy loss is reduced, and the cost is reduced.

In some aspects, optionally, the cooling system further comprises: and the fifth sensor is arranged on the fifth liquid path and is connected with the controller.

In this solution, the cooling system further comprises a fifth sensor. Specifically, the fifth sensor is disposed in the fifth liquid path. The fifth sensor is connected with the controller. The controller determines a fifth temperature of the fluid via a fifth sensor. The fifth temperature here is the temperature at which the first fluid passes through the hydraulic oil radiator. The controller controls the flow of the first fluid into the hydraulic oil radiator through the first solenoid valve according to the fifth temperature. Differential cooling of different components is achieved by regulating and controlling the flow of the first fluid in each branch, so that each component always works at the most appropriate temperature, the service life of the component can be effectively prolonged, meanwhile, energy loss is reduced, and cost is reduced.

In some embodiments, optionally, the air-cooled heat dissipation assembly includes: the air-cooled radiator is connected with the second electromagnetic valve and is used for being connected with a liquid source; the electric control fan is connected with the air-cooled radiator and connected with the controller.

In this technical scheme, the air-cooled radiator assembly includes air-cooled radiator and automatically controlled fan. Specifically, the air-cooled radiator is connected with the second electromagnetic valve and is used for being connected with a liquid source. The electric control fan is connected with the air cooling radiator, and the electric control fan is connected with the controller. The air-cooled radiator is provided with a first channel for the first fluid to pass through, and the electric control fan can blow air to the air-cooled radiator so as to radiate the first fluid flowing through the first channel.

A second aspect of the utility model provides an amphibious vehicle comprising: a frame; the spray pump is arranged on the frame; the cooling system in any one of the technical schemes is arranged on the frame, and a water-cooling heat exchanger of the cooling system is connected with the spray pump.

According to a technical solution of the amphibious vehicle according to the utility model, the amphibious vehicle comprises a frame, a jet pump and a cooling system according to any one of the above mentioned technical solutions. Wherein, the jet pump is located the frame. The cooling system is arranged on the frame. The heat generating component, the first electromagnetic valve, the water pump, the first sensor, the second electromagnetic valve, the air cooling radiating component, the water cooling heat exchanger, the second sensor, the controller and other components in the cooling system are all arranged on the frame. Further, a water-cooled heat exchanger of the cooling system is connected with the spray pump. The water-cooling heat exchanger is used for being connected with the spray pump through a second liquid path. The spray pump has a third state and a fourth state. Optionally, the third state of the spray pump is an operating state; the fourth state of the spray pump is a non-operating state. The spray pump is configured to pump the second fluid to the water-cooled heat exchanger when the spray pump is in the third state. It should be noted that, when the amphibious vehicle is in the land running mode, the spray pump does not work, i.e. the spray pump is in the fourth state; in the water navigation mode of the amphibious vehicle, the jet pump works, namely the jet pump is in a third state, and the jet pump can pump the second fluid to the water-cooling heat exchanger.

The amphibious vehicle comprises any one of the cooling systems according to the first aspect, so that the amphibious vehicle has the beneficial effects of any one of the technical solutions described above, and will not be described in detail herein.

In some aspects, optionally, the amphibious vehicle further comprises: the liquid source is arranged on the frame, the water pump of the cooling system is connected with the liquid source, the air cooling heat dissipation component of the cooling system is connected with the liquid source, and the water cooling heat exchanger is connected with the liquid source.

In this technical scheme, the liquid source is water storage structure for storing first fluid. Optionally, the water storage structure is an expansion tank, i.e. the liquid source is an expansion tank.

Additional aspects and advantages of the present utility model will be made apparent from the description which follows, or may be learned by practice of the utility model.

Drawings

FIG. 1 shows a schematic diagram of a cooling system according to one embodiment of the utility model;

figure 2 shows a schematic view of an amphibious vehicle according to one embodiment of the utility model.

The correspondence between the reference numerals and the component names in fig. 1 and 2 is:

100: a cooling system; 110: a heat generating part; 111: an engine; 112: a gearbox; 113: a hydraulic oil radiator; 121: a first electromagnetic valve; 122: a second electromagnetic valve; 130: a water pump; 141: a first sensor; 142: a second sensor; 143: a third sensor; 144: a fourth sensor; 145: a fifth sensor; 150: an air-cooled heat dissipation assembly; 151: an air-cooled radiator; 152: an electric control fan; 160: a water-cooled heat exchanger; 170: a controller; 181: a first liquid path; 182: a second liquid path; 183: a third liquid path; 184: a fourth liquid path; 185: a fifth liquid path; 200: amphibious vehicle; 210: a frame; 220: a spray pump; 230: and (5) a liquid source.

Detailed Description

In order that the above-recited objects, features and advantages of embodiments of the present utility model can be more clearly understood, a further detailed description of embodiments of the present utility model will be rendered by reference to the appended drawings and detailed description thereof. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but embodiments of the utility model may be practiced otherwise than as described herein, and therefore the scope of the utility model is not limited to the specific embodiments disclosed below.

A cooling system 100 and an amphibious vehicle 200 provided according to some embodiments of the utility model are described below with reference to fig. 1 and 2.

In one embodiment according to the present utility model, as shown in fig. 1, the cooling system 100 includes a heat generating part 110, a first solenoid valve 121, a water pump 130, a first sensor 141, a second solenoid valve 122, an air-cooled heat dissipating assembly 150, a water-cooled heat exchanger 160, a second sensor 142, and a controller 170. Wherein the first electromagnetic valve 121 is connected to the heat generating part 110. The water pump 130 is connected to the first solenoid valve 121. The water pump 130 is connected to the heat generating part 110 through a first solenoid valve 121. The heat generating component 110 is a component that generates heat during operation of the amphibious vehicle 200 in the land travel mode or in the water travel mode. Alternatively, the heat generating component 110 includes an engine 111. Alternatively, heat generating component 110 includes a gearbox 112. Alternatively, the heat generating component 110 includes a hydraulic oil radiator 113. The hydraulic oil radiator 113 is a device for radiating or exchanging heat of hydraulic oil in the hydraulic system. Further, the water pump 130 is configured to be connected to the liquid source 230 through the first liquid path 181. The liquid source 230 is a water storage structure for storing a first fluid. Alternatively, the water storage structure is an expansion tank, i.e., the liquid source 230 is an expansion tank. Optionally, the first fluid is a cooling liquid. Further, the water pump 130 has a first state and a second state. Optionally, the first state of the water pump 130 is an operating state; the second state of the water pump 130 is an inactive state. With the water pump 130 in the first state, the water pump 130 is capable of pumping a first fluid from the liquid source 230 to the heat generating component 110. The heat generating part 110 has a liquid passage through which the first fluid passes. The first fluid passes through the liquid source 230, the water pump 130, and the heat generating part 110 in this order. Further, the first sensor 141 is provided in the first liquid path 181. The first sensor 141 is used to determine a first temperature of the first fluid. The first temperature herein may be understood as the temperature of the first fluid as it passes through the water pump 130.

Further, the second electromagnetic valve 122 is connected to the heat generating part 110. Further, the air-cooled heat sink assembly 150 is connected to the second solenoid valve 122, and the air-cooled heat sink assembly 150 is connected to the liquid source 230. Optionally, the air-cooled heat dissipation assembly 150 includes an air-cooled heat sink 151 and an electrically controlled fan 152. The air-cooled radiator 151 has a first passage through which the first fluid passes, and the electrically controlled fan 152 can blow air to the air-cooled radiator 151 to radiate heat from the first fluid flowing through the first passage. Further, a water-cooled heat exchanger 160 is connected to the second solenoid valve 122, and the water-cooled heat exchanger 160 is connected to a liquid source 230. The water-cooled heat exchanger 160 is connected to the jet pump 220 via the second liquid path 182. The spray pump 220 has a third state and a fourth state. Optionally, the third state of the spray pump 220 is an operating state; the fourth state of the spray pump 220 is the inactive state. With the jet pump 220 in the third state, the jet pump 220 is configured to pump the second fluid to the water-cooled heat exchanger 160. It should be noted that, in the land traveling mode of the amphibious vehicle 200, the jet pump 220 does not work, that is, the jet pump 220 is in the fourth state; in the water sailing mode of the amphibious vehicle 200, the jet pump 220 is operated, i.e. the jet pump 220 is in the third state, when the jet pump 220 is able to pump the second fluid to the water-cooled heat exchanger 160. Optionally, the second fluid is water. Optionally, the water-cooled heat exchanger 160 has a second passage through which the first fluid passes and a third passage through which the second fluid passes. The first fluid and the second fluid are capable of exchanging heat in the water-cooled heat exchanger 160. Typically, the temperature of the first fluid as it passes through the second channel is higher than the temperature of the second fluid as it passes through the third channel. The second fluid is capable of cooling the first fluid. Further, the second sensor 142 is disposed in the second liquid path 182. The second sensor 142 is used to determine a first pressure of the second fluid. Optionally, the second sensor 142 is also used to determine a second temperature of the second fluid. The second temperature herein may be understood as the temperature at which the second fluid flows through the jet pump 220.

Further, a controller 170 is connected to the first solenoid valve 121, the controller 170 being configured to control a flow rate of the first fluid into the heat generating part 110 through the first solenoid valve 121. Alternatively, the heat generating part 110 includes a plurality of parts, and the controller 170 can control the flow rate of the first fluid into the respective parts through the first solenoid valve 121. Further, the controller 170 is connected to the water pump 130, and the controller 170 can control the on-off state (control the water pump 130 to be in the first state or the second state) and the rotation speed of the water pump 130. Further, the controller 170 is connected to the first sensor 141, and the controller 170 determines the first temperature of the first fluid through the first sensor 141. Further, the controller 170 is connected to the second solenoid valve 122, and the controller 170 controls the first fluid to flow into the water-cooled heat exchanger 160 and/or the air-cooled heat sink assembly 150 through the second solenoid valve 122. Further, the controller 170 is coupled to the second sensor 142, and the controller 170 determines a first pressure of the second fluid via the second sensor 142. Optionally, the controller 170 may also determine a second temperature of the second fluid via the second sensor 142. Further, the controller 170 is configured to be connected to the spray pump 220, and the controller 170 can control the on-off state of the spray pump 220 (control the spray pump 220 to be in the third state or the fourth state) and the rotation speed. In the land travel mode of the amphibious vehicle 200, the controller 170 controls the jet pump 220 to be in the fourth state; in the water voyage mode of the amphibious vehicle 200, the controller 170 controls the jet pump 220 to be in a third state, in which the jet pump 220 is capable of pumping the second fluid to the water cooled heat exchanger 160.

Further, the controller 170 is configured to determine whether the first temperature is greater than a first threshold and generate a first determination result. The first threshold is a temperature threshold. The controller 170 determines whether the first fluid needs to be cooled down by comparing the first temperature to a first threshold.

If the first determination result is yes, the controller 170 controls the water pump 130 to be in the first state, and the controller 170 is configured to control the flow rate of the first fluid into the heat generating part 110 through the first electromagnetic valve 121. In the case where it is determined that the first temperature is greater than the first threshold, the controller 170 controls the water pump 130 to operate (controls the water pump 130 to be in the first state), and the controller 170 controls the rotation speed of the water pump 130 according to the first temperature, the controller 170 can control the flow rate of the first fluid into the respective components of the heat generating component 110 through the first solenoid valve 121.

If the first determination result is no, the controller 170 controls the water pump 130 to be in the second state. In the case where the first temperature is determined not to be greater than the first threshold, it indicates that the cooling system 100 does not need to cool down the first fluid, and the controller 170 controls the water pump 130 to be inactive (controls the water pump 130 to be in the second state).

Further, the controller 170 determines a first pressure of the second fluid through the second sensor 142, and determines that the spray pump 220 is in the third state or the fourth state according to the first pressure. On the premise that the first temperature is determined to be greater than the first threshold, the controller 170 determines a first pressure and determines whether the spray pump 220 is operated according to the first pressure. In the case that the jet pump 220 is in the third state, the controller 170 controls the first fluid to flow into the water-cooled heat exchanger 160 and the air-cooled heat dissipation assembly 150 through the second electromagnetic valve 122; with the jet pump 220 in the fourth state, the controller 170 controls the first fluid to flow into the air-cooled heat sink assembly 150 via the second solenoid valve 122. In the land traveling mode of the amphibious vehicle 200, the controller 170 controls the jet pump 220 to be in the fourth state and controls the first fluid to flow into the air-cooled heat dissipation assembly 150 through the second electromagnetic valve 122, and at this time, the cooling system 100 dissipates heat of the first fluid only through the air-cooled heat dissipation assembly 150; in the water voyage mode of the amphibious vehicle 200, the controller 170 controls the jet pump 220 to be in the third state and controls the first fluid to flow into the water-cooled heat exchanger 160 and the air-cooled radiator assembly 150 through the second solenoid valve 122. In other words, the cooling system 100 dissipates heat of the first fluid in an air-cooled manner in the amphibious vehicle 200 in the land travel mode; in the water voyage mode of the amphibious vehicle 200, the cooling system 100 cools the first fluid in an air-cooled and water-cooled manner.

In the solution defined in the present utility model, the controller 170 determines whether to cool the first fluid according to the first temperature and the first threshold value, and controls the water pump 130 to be in the first state or the second state. On the premise that the first temperature is determined to be greater than the first threshold, the controller 170 determines a first pressure and determines whether the spray pump 220 is operated according to the first pressure. In the water voyage mode of the amphibious vehicle 200, the controller 170 controls the jet pump 220 to be in the third state and controls the first fluid to flow into the water-cooled heat exchanger 160 and the air-cooled radiator assembly 150 through the second solenoid valve 122. The cooling system 100 does not require manual operation by a driver, can realize automatic switching and control, can avoid the situation of poor cooling effect or excessive cooling to a great extent, and is beneficial to prolonging the service life of a device or a component. In addition, in the water sailing mode of the amphibious vehicle 200, the cooling system 100 cools the first fluid in an air cooling and water cooling mode, and compared with the mode of cooling the first fluid only through water cooling in the water sailing mode, the design mode can reduce the volume of the water cooling heat exchanger 160 and a series of parts thereof, is beneficial to reducing the overall weight of the cooling system 100, reducing the cost and optimizing the space layout.

In some embodiments, optionally, the controller 170 controls the rotational speed of the water pump 130 according to the first temperature. In this design, the controller 170 adjusts the flow rate and the flow rate of the first fluid in the cooling circulation liquid path by controlling the rotation speed of the water pump 130.

In some embodiments, optionally, controller 170 determines a second temperature of the second fluid via second sensor 142, and controller 170 controls a rotational speed of spray pump 220 based on the second temperature. In this design, the controller 170 adjusts the flow rate and flow of the second fluid entering the water-cooled heat exchanger 160 by controlling the rotational speed of the jet pump 220.

In some embodiments, optionally, as shown in fig. 1, the heat generating component 110 comprises an engine 111. Specifically, the engine 111 is connected to the first solenoid valve 121, and the engine 111 is connected to the second solenoid valve 122 through the third fluid passage 183. The controller 170 can control whether the first fluid enters the engine 111 and the flow rate when entering the engine 111 through the first solenoid valve 121.

Alternatively, as shown in FIG. 1, the heat generating component 110 includes a gearbox 112. Specifically, the transmission 112 is connected to the second solenoid valve 122, and the engine 111 is connected to the second solenoid valve 122 via a fourth fluid path 184. The controller 170 is capable of controlling whether the first fluid enters the transmission 112 and the flow rate when entering the transmission 112 through the first solenoid valve 121.

Alternatively, as shown in fig. 1, the heat generating component 110 includes a hydraulic oil radiator 113. Specifically, the hydraulic oil radiator 113 is connected to the second solenoid valve 122, and the hydraulic oil radiator 113 is connected to the second solenoid valve 122 through the fifth fluid path 185. The controller 170 can control whether the first fluid enters the hydraulic oil radiator 113 and the flow rate when entering the hydraulic oil radiator 113 through the first solenoid valve 121.

The heat generating component 110 includes a plurality of components, and the different components have different demands on cooling temperature, and differential cooling of the different components is achieved by regulating and controlling the flow of the first fluid in each branch, so that each component always works at an optimum temperature, the service life of the component can be effectively prolonged, and meanwhile, the energy loss and the cost are reduced.

In some embodiments, optionally, as shown in fig. 1, the cooling system 100 further comprises a third sensor 143. Specifically, the third sensor 143 is provided in the third liquid path 183. The third sensor 143 is connected to the controller 170. The controller 170 determines a third temperature of the first fluid via the third sensor 143. The third temperature here is the temperature at which the first fluid passes through the engine 111. The controller 170 controls the flow of the first fluid into the engine 111 through the first solenoid valve 121 according to the third temperature. Differential cooling of different components is achieved by regulating and controlling the flow of the first fluid in each branch, so that each component always works at the most appropriate temperature, the service life of the component can be effectively prolonged, meanwhile, energy loss is reduced, and cost is reduced.

In some embodiments, optionally, as shown in fig. 1, the cooling system 100 further comprises a fourth sensor 144. Specifically, the fourth sensor 144 is disposed in the fourth fluid path 184. The fourth sensor 144 is connected to the controller 170. The controller 170 determines a fourth temperature of the first fluid via the fourth sensor 144. The fourth temperature here is the temperature at which the first fluid passes through the transmission 112. The controller 170 controls the flow of the first fluid into the transmission 112 through the first solenoid valve 121 according to the fourth temperature. Differential cooling of different components is achieved by regulating and controlling the flow of the first fluid in each branch, so that each component always works at the most appropriate temperature, the service life of the component can be effectively prolonged, meanwhile, energy loss is reduced, and cost is reduced.

In some embodiments, optionally, as shown in fig. 1, the cooling system 100 further comprises a fifth sensor 145. Specifically, the fifth sensor 145 is provided in the fifth liquid path 185. The fifth sensor 145 is connected to the controller 170. The controller 170 determines a fifth temperature of the fluid via the fifth sensor 145. The fifth temperature here is the temperature at which the first fluid passes through the hydraulic oil radiator 113. The controller 170 controls the flow of the first fluid into the hydraulic oil radiator 113 through the first solenoid valve 121 according to the fifth temperature. Differential cooling of different components is achieved by regulating and controlling the flow of the first fluid in each branch, so that each component always works at the most appropriate temperature, the service life of the component can be effectively prolonged, meanwhile, energy loss is reduced, and cost is reduced.

In some embodiments, optionally, as shown in fig. 1, an air-cooled heat sink assembly 150 includes an air-cooled heat sink 151 and an electrically-controlled fan 152. Specifically, the air-cooled radiator 151 is connected to the second electromagnetic valve 122, and the air-cooled radiator 151 is connected to the liquid source 230. The electrically controlled fan 152 is connected to the air-cooled radiator 151, and the electrically controlled fan 152 is connected to the controller 170. The air-cooled radiator 151 has a first passage through which the first fluid passes, and the electrically controlled fan 152 can blow air to the air-cooled radiator 151 to radiate heat from the first fluid flowing through the first passage.

In one embodiment according to the utility model, as shown in fig. 2, an amphibious vehicle 200 comprises a frame 210, a jet pump 220 and a cooling system 100 in any of the embodiments described above. Wherein, the spray pump 220 is disposed on the frame 210. The cooling system 100 is provided to the frame 210. The heat generating component 110, the first electromagnetic valve 121, the water pump 130, the first sensor 141, the second electromagnetic valve 122, the air-cooled heat dissipating assembly 150, the water-cooled heat exchanger 160, the second sensor 142, the controller 170 and other components in the cooling system 100 are all arranged on the frame 210. Further, the water-cooled heat exchanger 160 of the cooling system 100 is connected to a spray pump 220. The water-cooled heat exchanger 160 is connected to the jet pump 220 via the second liquid path 182. The spray pump 220 has a third state and a fourth state. Optionally, the third state of the spray pump 220 is an operating state; the fourth state of the spray pump 220 is the inactive state. With the jet pump 220 in the third state, the jet pump 220 is configured to pump the second fluid to the water-cooled heat exchanger 160. It should be noted that, in the land traveling mode of the amphibious vehicle 200, the jet pump 220 does not work, that is, the jet pump 220 is in the fourth state; in the water sailing mode of the amphibious vehicle 200, the jet pump 220 is operated, i.e. the jet pump 220 is in the third state, when the jet pump 220 is able to pump the second fluid to the water-cooled heat exchanger 160.

Optionally, the amphibious vehicle 200 further comprises a liquid source 230, the liquid source 230 being provided to the frame 210. The water pump 130, the air-cooled heat sink assembly 150, and the water-cooled heat exchanger 160 of the cooling system 100 are all connected to a liquid source 230. The liquid source 230 is a water storage structure for storing a first fluid. Alternatively, the water storage structure is an expansion tank, i.e., the liquid source 230 is an expansion tank.

In the present utility model, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more, unless expressly defined otherwise. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; "coupled" may be directly coupled or indirectly coupled through intermediaries. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "front", "rear", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or units referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model.

In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A cooling system, comprising:

A heat generating component (110);

a first electromagnetic valve (121) connected to the heat generating component (110);

A water pump (130) connected to the first solenoid valve (121), the water pump (130) being adapted to be connected to a liquid source (230) via a first liquid path (181), the water pump (130) having a first state and a second state, the water pump (130) being capable of pumping a first fluid from the liquid source (230) to the heat generating component (110) with the water pump (130) in the first state;

A first sensor (141) provided in the first liquid path (181);

A second electromagnetic valve (122) connected to the heat generating component (110);

an air-cooled heat sink assembly (150) connected to the second solenoid valve (122), the air-cooled heat sink assembly (150) being configured to connect to the liquid source (230);

A water-cooled heat exchanger (160) connected to the second solenoid valve (122), the water-cooled heat exchanger (160) being configured to be connected to the liquid source (230), the water-cooled heat exchanger (160) being configured to be connected to a jet pump (220) via a second liquid path (182), the jet pump (220) having a third state and a fourth state, the jet pump (220) being configured to pump a second fluid to the water-cooled heat exchanger (160) when the jet pump (220) is in the third state;

A second sensor (142) provided in the second liquid path (182);

The controller (170) is connected with the first electromagnetic valve (121), the water pump (130), the first sensor (141), the second electromagnetic valve (122) and the second sensor (142), and the controller (170) is used for being connected with the spray pump (220).

2. The cooling system according to claim 1, wherein the heat generating component (110) comprises:

An engine (111) connected to the first electromagnetic valve (121), and the engine (111) is connected to the second electromagnetic valve (122) through a third fluid passage (183).

3. The cooling system of claim 2, further comprising:

And a third sensor (143) provided in the third liquid path (183), the third sensor (143) being connected to the controller (170).

4. A cooling system according to claim 2 or 3, wherein the heat generating component (110) comprises:

And the gearbox (112) is connected with the second electromagnetic valve (122), and the engine (111) is connected with the second electromagnetic valve (122) through a fourth liquid path (184).

5. The cooling system of claim 4, further comprising:

And a fourth sensor (144) provided in the fourth liquid path (184), wherein the fourth sensor (144) is connected to the controller (170).

6. A cooling system according to any one of claims 1 to 3, wherein the heat generating component (110) comprises:

And a hydraulic oil radiator (113) connected to the second electromagnetic valve (122), wherein the hydraulic oil radiator (113) is connected to the second electromagnetic valve (122) through a fifth fluid path (185).

7. The cooling system of claim 6, further comprising:

And a fifth sensor (145) provided in the fifth liquid path (185), the fifth sensor (145) being connected to the controller (170).

8. A cooling system according to any one of claims 1 to 3, wherein the air-cooled heat sink assembly (150) comprises:

an air-cooled radiator (151) connected with the second electromagnetic valve (122), wherein the air-cooled radiator (151) is used for connecting with the liquid source (230);

and the electric control fan (152) is connected with the air-cooled radiator (151), and the electric control fan (152) is connected with the controller (170).

9. An amphibious vehicle, comprising:

A frame (210);

A jet pump (220) provided on the vehicle frame (210);

The cooling system according to any one of claims 1 to 8, provided to the vehicle frame (210), wherein a water-cooled heat exchanger (160) of the cooling system is connected to the jet pump (220).

10. An amphibious vehicle as claimed in claim 9 further comprising:

The liquid source (230) is arranged on the frame (210), the water pump (130) of the cooling system is connected with the liquid source (230), the air cooling heat dissipation component (150) of the cooling system is connected with the liquid source (230), and the water cooling heat exchanger (160) is connected with the liquid source (230).