Air pressure difference driven cooling system for vehicle and electric vehicle

Abstract

The present invention provides a vehicle air pressure difference driven cooling system and an electric vehicle, wherein the cooling system comprises a radiator and a deformation energy storage device; a cooling circulation loop is provided on the radiator, one end of the cooling circulation loop is connected to a water inlet of the radiator, and the other end of the cooling circulation loop is connected to a water outlet of the radiator; the deformation energy storage device is connected to the cooling circulation loop and can be connected to the cooling circulation loop to form a parallel loop; the deformation energy storage device is also connected to a curved surface connecting pipe at a curved surface of a vehicle through a pipeline; the curved surface of the vehicle can generate a pressure difference when air flows through its surface, thereby causing the deformation energy storage device to deform for energy storage, and driving the coolant in the deformation energy storage device to flow during the process of restoring the deformation of the deformation energy storage device; the solution provided by the present invention can store energy by utilizing the pressure difference during the driving process of the vehicle, and can drive the coolant in the cooling circulation loop to flow, thereby effectively reducing the energy consumption of the vehicle and improving the driving range of the vehicle.

Description

Technical Field

[0001] The invention belongs to the technical field of vehicle air pressure difference driven cooling systems, and in particular relates to a vehicle air pressure difference driven cooling system and an electric vehicle. Background Art

[0002] Vehicle endurance is currently the biggest challenge facing the promotion of electric vehicles, and various new technologies are being developed around endurance. The cooling of the motors and electronic control systems and the heating and cooling of the battery systems on existing electric vehicles all require continuous circulating liquid flow. The driving force for the liquid flow comes entirely from the water pump motor, so the energy for the water pump motor comes entirely from the on-board power battery, which increases the power consumption of electric vehicles to a certain extent and reduces the vehicle's range.

[0003] Based on the technical problems existing in the above-mentioned vehicle energy consumption, there is no relevant solution yet; therefore, there is an urgent need to find effective solutions to solve the above-mentioned problems. Summary of the invention

[0004] The purpose of the present invention is to address the deficiencies in the above-mentioned technologies and to propose a vehicle air pressure difference driven cooling system and an electric vehicle, aiming to solve the problem of energy consumption of existing vehicles.

[0005] The present invention provides a vehicle air pressure difference driven cooling system, the cooling system comprises a radiator and a deformation energy storage device; the radiator is provided with a cooling circulation loop, one end of the cooling circulation loop is connected to a water inlet of the radiator, and the other end of the cooling circulation loop is connected to a water outlet of the radiator; the deformation energy storage device is connected to the cooling circulation loop and can be connected to the cooling circulation loop to form a parallel loop; the deformation energy storage device is also connected to a curved surface connecting pipe at a vehicle curved surface through a pipeline; the vehicle curved surface can generate a pressure difference when air flows through its surface, so that the deformation energy storage device connected to the curved surface connecting pipe forms a negative pressure, so that the deformation energy storage device is deformed to store energy; the deformation energy storage device can drive the coolant in the deformation energy storage device to flow during the process of restoring the deformation.

[0006] Furthermore, the deformation energy storage device is an energy storage tube; one end of the energy storage tube is connected to one end of the cooling circulation loop through the drive control block, and the other end of the energy storage tube is connected to the other end of the cooling circulation loop through the energy storage control block; the drive control block can control one end of the energy storage tube to be connected or not connected to the cooling circulation loop, and the energy storage control block can control the other end of the energy storage tube to be connected or not connected to the cooling circulation loop; during the negative pressure energy storage process of the energy storage tube, the drive control block controls one end of the energy storage tube to be not connected to the cooling circulation loop, and the energy storage control block controls the other end of the energy storage tube to be not connected to the cooling circulation loop; during the process of recovering the deformation of the energy storage tube, the drive control block controls one end of the energy storage tube to be connected to the cooling circulation loop, and the energy storage control block controls the other end of the energy storage tube to be connected to the cooling circulation loop.

[0007] Furthermore, a control unit is provided on the drive control block, and the drive control block is a solenoid valve; the control unit is used to control the opening of the solenoid valve, so that one end of the energy storage tube is connected to one end of the cooling circulation loop; the control unit is also used to control the closing of the solenoid valve, so that one end of the energy storage tube is not connected to one end of the cooling circulation loop.

[0008] Furthermore, a control unit is provided on the energy storage control block, and the energy storage control block is a solenoid valve; the control unit is used to control the opening of the solenoid valve so that the other end of the energy storage tube is connected to the other end of the cooling circulation loop; the control unit is used to control the closing of the solenoid valve so that the other end of the energy storage tube is not connected to one end of the cooling circulation loop.

[0009] Furthermore, a driving motor is provided on the cooling circulation loop. The driving motor is connected in series to the cooling circulation loop, and the driving motor is used to drive the flow of coolant in the cooling circulation loop.

[0010] Furthermore, the pipeline includes a connecting pipe; the connecting pipe is arranged on the drive control block or the energy storage control block, one end of the connecting pipe is connected to the energy storage pipe, and the other end of the connecting pipe is connected to the curved surface connecting pipe.

[0011] Furthermore, the cooling circulation loop includes a first circulation connecting pipe, a second circulation connecting pipe and a third circulation connecting pipe; one end of the first circulation connecting pipe is connected to the water inlet of the radiator, the other end of the first circulation connecting pipe is connected to one end of the second circulation connecting pipe, the other end of the second circulation connecting pipe is connected to one end of the third circulation connecting pipe, and the other end of the third circulation connecting pipe is connected to the water outlet of the radiator, thereby forming a cooling circulation loop.

[0012] Furthermore, the energy storage tube includes a first energy storage tube and a second energy storage tube, the first energy storage tube is arranged in series on the first circulation connecting tube, and the second energy storage tube is arranged in series on the third circulation connecting tube; the first energy storage tube and the second energy storage tube are connected to the curved surface connecting tube through independent pipelines respectively; a first drive motor is provided on the first circulation connecting tube at one end of the first energy storage tube, and a second drive motor is provided on the third circulation connecting tube at one end of the second energy storage tube; the first drive motor and the second drive motor are respectively used to drive the flow of coolant in the cooling circulation loop.

[0013] Furthermore, the coolant is water; and the radiator is used to be installed on a vehicle so as to dissipate heat from the vehicle.

[0014] Correspondingly, the present invention also provides an electric vehicle, comprising a cooling system; the cooling system is the above-mentioned vehicle air pressure difference driven cooling system.

[0015] The vehicle air pressure difference driven cooling system and electric vehicle provided by the present invention can store energy by utilizing the pressure difference during vehicle driving and can utilize the stored energy to drive the flow of coolant in the cooling circulation loop, thereby effectively reducing the energy consumption of the vehicle and improving the vehicle's driving range. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0017] The present invention will be further described below in conjunction with the accompanying drawings:

[0018] Figure 1 A schematic diagram of a vehicle air pressure difference driven cooling system according to the present invention;

[0019] Figure 2 The present invention is a schematic diagram of the use status of an air pressure difference driven cooling system for a vehicle.

[0020] In the figure: 1. Radiator; 2. First circulation connecting pipe; 3. Drive control block; 4. Control unit; 5. Third circulation connecting pipe; 6. Energy storage pipe; 7. First connecting pipe; 8. Energy storage control block; 9. Drive motor; 10. Second circulation connecting pipe; 11. Second connecting pipe; 12. Curved surface connecting pipe; 13. Vehicle curved surface. DETAILED DESCRIPTION

[0021] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0022] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0023] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined. The meaning of "several" is one or more, unless otherwise clearly and specifically defined.

[0024] In the description of the present invention, it is necessary to understand that the directions or positional relationships indicated by the terms "up", "down", "front", "back", "left", "right", etc. are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" 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 an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. 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] As shown in Figure 1 to Figure 2 As shown, the present invention provides a vehicle air pressure difference driven cooling system, the cooling system comprising a radiator 1 and a deformation energy storage device; wherein the radiator 1 is provided with a cooling circulation loop, one end of the cooling circulation loop is connected to the water inlet of the radiator 1, and the other end of the cooling circulation loop is connected to the water outlet of the radiator 1; specifically, the deformation energy storage device is connected to the cooling circulation loop and can be connected to the cooling circulation loop to form a parallel loop; further, the deformation energy storage device is also connected to the curved surface connecting pipe 12 at the vehicle curved surface 13 through a pipeline; the vehicle curved surface 13 can generate a pressure difference when air flows over its surface, so that the deformation energy storage device connected to the curved connecting pipe 12 forms a negative pressure, thereby causing the deformation energy storage device to deform and store energy; further, the deformation energy storage device can drive the coolant in the deformation energy storage device to flow during the deformation recovery process, thereby avoiding the use of motor drive and reducing energy consumption; the vehicle air pressure difference driven cooling system provided by the present invention stores energy by utilizing the air pressure difference on the surface of the vehicle during driving, and can be used to drive the flow of cooling liquid, thereby reducing the energy consumption of the entire vehicle and facilitating the improvement of driving range.

[0027] Preferably, in combination with the above scheme, as shown in Figures 1 to Figure 2As shown, the deformation energy storage device is an energy storage tube 6; one end of the energy storage tube 6 is connected to one end of the cooling circulation loop through the drive control block 3, and the other end of the energy storage tube 6 is connected to the other end of the cooling circulation loop through the energy storage control block 8; specifically, the drive control block 3 can control one end of the energy storage tube 6 to be connected or not connected to the cooling circulation loop, and the energy storage control block 8 can control the other end of the energy storage tube 6 to be connected or not connected to the cooling circulation loop; further, the entire control process includes: during the negative pressure energy storage process of the energy storage tube 6, the drive control block 3 controls one end of the energy storage tube 6 to be not connected to the cooling circulation loop, and the energy storage control block 8 controls the other end of the energy storage tube 6 to be connected to the cooling circulation loop The loop is not connected, so that a sealed space is formed in the energy storage tube 6, thereby realizing negative pressure energy storage; further, when the energy storage tube 6 is in the process of restoring deformation, the drive control block 3 controls one end of the energy storage tube 6 to be connected to the cooling circulation loop, and the energy storage control block 8 controls the other end of the energy storage tube 6 to be connected to the cooling circulation loop, thereby driving the circulation of the coolant; the solution provided in this embodiment generates a pressure difference when the gas flows over the surface of the vehicle curved surface 13, thereby forming a negative pressure in the energy storage tube 6, that is, the pressure energy of the air flowing over the surface of the car is stored in the energy storage tube, and when the coolant needs power to drive its flow, the energy storage tube releases the deformation potential energy, thereby driving the coolant to flow.

[0028] Preferably, in combination with the above scheme, as shown in Figures 1 to Figure 2 As shown, a control unit 4 is provided on the drive control block 3, specifically, the drive control block 3 is a solenoid valve; further, the control unit 4 is used to control the opening of the solenoid valve, so that one end of the energy storage tube 6 is connected to one end of the cooling circulation loop; correspondingly, the control unit 4 is also used to control the closing of the solenoid valve, so that one end of the energy storage tube 6 is not connected to one end of the cooling circulation loop.

[0029] Preferably, in combination with the above scheme, as shown in Figures 1 to Figure 2 As shown, a control unit is provided on the energy storage control block 8, and the energy storage control block 8 is a solenoid valve; specifically, the control unit is used to control the opening of the solenoid valve, so that the other end of the energy storage tube 6 is connected to the other end of the cooling circulation loop; correspondingly, the control unit is used to control the closing of the solenoid valve, so that the other end of the energy storage tube 6 is not connected to one end of the cooling circulation loop.

[0030] Preferably, in combination with the above scheme, as shown in Figures 1 to Figure 2As shown, a drive motor 9 is provided on the cooling circulation loop, and the drive motor 9 is connected in series on the cooling circulation loop; specifically, the drive motor 9 is used to drive the coolant flow in the cooling circulation loop; it should be noted here that during the entire vehicle operation process, if a higher heat dissipation power is required, the energy stored in the energy storage tube 6 cannot meet the driving energy requirement, so it is necessary to design a drive motor 9 for separate driving; it should be further noted that when the energy storage tube 6 deforms to recover and release its ability to drive the coolant to circulate, the flow path in parallel with the energy storage tube 6 on the cooling circulation loop can be opened normally for flow or can be sealed, both of which can meet the system cooling requirements.

[0031] Preferably, in combination with the above scheme, as shown in Figures 1 to Figure 2 As shown, the pipeline includes a connecting pipe, which is arranged on the drive control block 3 or the energy storage control block 8; specifically, one end of the connecting pipe is connected to the energy storage pipe 6, and the other end of the connecting pipe is connected to the curved surface connecting pipe 12, thereby forming a negative pressure connecting pipeline; specifically, the curved surface connecting pipe 12 includes a plurality of curved surface connecting pipes 12, which are arranged in parallel and are respectively connected to the negative pressure of the vehicle curved surface 13, and the other ends of the plurality of curved surface connecting pipes 12 are respectively connected to the connecting pipes.

[0032] Preferably, in combination with the above scheme, as shown in Figures 1 to Figure 2 As shown, the cooling circulation loop includes a first circulation connecting pipe 2, a second circulation connecting pipe 10 and a third circulation connecting pipe 5; specifically, one end of the first circulation connecting pipe 2 is connected to the water inlet of the radiator 1, the other end of the first circulation connecting pipe 2 is connected to one end of the second circulation connecting pipe 10, the other end of the second circulation connecting pipe 10 is connected to one end of the third circulation connecting pipe 5, and the other end of the third circulation connecting pipe 5 is connected to the water outlet of the radiator 1, thereby forming a cooling circulation loop; adopting the above-mentioned cooling circulation loop design, the design of the entire energy storage pipe 6 can be selected in multiple places, thereby improving the energy storage design requirements of the system.

[0033] Preferably, in combination with the above scheme, as shown in Figures 1 to Figure 2As shown, the energy storage tube 6 includes a first energy storage tube and a second energy storage tube; wherein the first energy storage tube is arranged in series on the first circulation connecting tube 2, and the second energy storage tube is arranged in series on the third circulation connecting tube 5; specifically, the first energy storage tube and the second energy storage tube are connected to the curved surface connecting tube 12 through independent pipelines respectively; and a first drive motor is provided on the first circulation connecting tube 2 at one end of the first energy storage tube, and a second drive motor is provided on the third circulation connecting tube 5 at one end of the second energy storage tube; further, the first drive motor and the second drive motor are respectively used to drive the flow of coolant in the cooling circulation loop, specifically, when the energy stored in the first energy storage tube and the second energy storage tube cannot drive the flow of coolant in the cooling circulation loop, the first drive motor and the second drive motor are started respectively, thereby driving the flow of coolant in the cooling circulation loop; further, a first connecting tube 7 is provided on the first circulation connecting tube 2, and a second connecting tube 11 is provided on the third circulation connecting tube 5, both of which are designed separately for easy connection.

[0034] Preferably, in combination with the above scheme, as shown in Figures 1 to Figure 2 As shown, the coolant of the entire cooling cycle is preferably water; further, the radiator 1 is used to be installed on a vehicle, so as to dissipate heat from the vehicle; it should be noted that the radiator can be an air-conditioning radiator or a battery radiator.

[0035] Accordingly, in combination with the above scheme, as shown in Figures 1 to Figure 2 As shown, the present invention also provides an electric vehicle, including a cooling system; the cooling system is the vehicle air pressure difference driven cooling system described above.

[0036] The vehicle air pressure difference driven cooling system and electric vehicle provided by the present invention can store energy by utilizing the pressure difference during vehicle driving and can utilize the stored energy to drive the flow of coolant in the cooling circulation loop, thereby effectively reducing the energy consumption of the vehicle and improving the vehicle's driving range.

[0037] The above is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any technician familiar with the art can make many possible changes and modifications to the technical solution of the present invention by using the above-mentioned technical content without departing from the scope of the technical solution of the present invention, or modify it into an equivalent embodiment of equivalent changes. Therefore, any changes, modifications, equivalent changes and modifications made to the above embodiments based on the technology of the present invention without departing from the content of the technical solution of the present invention belong to the protection scope of the present technical solution.

Claims

1. A vehicle air pressure difference driven cooling system, characterized in that: The cooling system comprises a radiator (1) and a deformation energy storage device; the radiator (1) is provided with a cooling circulation loop, one end of the cooling circulation loop is connected to a water inlet of the radiator (1), and the other end of the cooling circulation loop is connected to a water outlet of the radiator (1); the deformation energy storage device is connected to the cooling circulation loop and can be connected to the cooling circulation loop to form a parallel loop; the deformation energy storage device is also connected to a curved surface connecting pipe (12) at a curved surface (13) of a vehicle through a pipeline; The vehicle curved surface (13) can generate a pressure difference when air flows over its surface, so that the deformation energy storage device connected to the curved surface connecting pipe (12) forms a negative pressure, thereby causing the deformation energy storage device to deform and store energy; the deformation energy storage device can drive the coolant in the deformation energy storage device to flow during the process of restoring the deformation; the deformation energy storage device is an energy storage tube (6); one end of the energy storage tube (6) is connected to one end of the cooling circulation loop through the drive control block (3), and the other end of the energy storage tube (6) is connected to the cooling circulation loop through the drive control block (3); The control block (8) is connected to the other end of the cooling circulation loop; the drive control block (3) can control one end of the energy storage tube (6) to be connected or disconnected with the cooling circulation loop, and the energy storage control block (8) can control the other end of the energy storage tube (6) to be connected or disconnected with the cooling circulation loop; during the negative pressure energy storage process of the energy storage tube (6), the drive control block (3) controls one end of the energy storage tube (6) to be disconnected from the cooling circulation loop, and the energy storage control block (8) controls the other end of the energy storage tube (6) to be disconnected from the cooling circulation loop; during the deformation recovery process of the energy storage tube (6), the drive control block (3) controls one end of the energy storage tube (6) to be connected to the cooling circulation loop, and the energy storage control block (8) controls the other end of the energy storage tube (6) to be connected to the cooling circulation loop; a drive motor (9) is provided on the cooling circulation loop, and the drive motor (9) is connected in series to the cooling circulation loop, and the drive motor (9) is used to drive the coolant in the cooling circulation loop to flow.

2. The vehicle air pressure difference driven cooling system according to claim 1, characterized in that: The drive control block (3) is provided with a control unit (4), and the drive control block (3) is a solenoid valve; the control unit (4) is used to control the opening of the solenoid valve, so that one end of the energy storage tube (6) is connected to one end of the cooling circulation loop; the control unit (4) is also used to control the closing of the solenoid valve, so that one end of the energy storage tube (6) is not connected to one end of the cooling circulation loop.

3. The vehicle air pressure difference driven cooling system according to claim 1, characterized in that: The energy storage control block (8) is provided with a control unit, and the energy storage control block (8) is a solenoid valve; the control unit is used to control the opening of the solenoid valve, so that the other end of the energy storage tube (6) is connected to the other end of the cooling circulation loop; the control unit is used to control the closing of the solenoid valve, so that the other end of the energy storage tube (6) is not connected to one end of the cooling circulation loop.

4. The vehicle air pressure difference driven cooling system according to claim 1, characterized in that: The pipeline comprises a connecting pipe; the connecting pipe is arranged on the drive control block (3) or the energy storage control block (8); one end of the connecting pipe is connected to the energy storage pipe (6); and the other end of the connecting pipe is connected to the curved surface connecting pipe (12).

5. The vehicle air pressure difference driven cooling system according to claim 1, characterized in that: The cooling circulation loop comprises a first circulation connecting pipe (2), a second circulation connecting pipe (10) and a third circulation connecting pipe (5); one end of the first circulation connecting pipe (2) is connected to a water inlet of the radiator (1), the other end of the first circulation connecting pipe (2) is connected to one end of the second circulation connecting pipe (10), the other end of the second circulation connecting pipe (10) is connected to one end of the third circulation connecting pipe (5), and the other end of the third circulation connecting pipe (5) is connected to a water outlet of the radiator (1), thereby forming the cooling circulation loop.

6. The vehicle air pressure difference driven cooling system according to claim 5, characterized in that: The energy storage tube (6) comprises a first energy storage tube and a second energy storage tube, the first energy storage tube is arranged in series on the first circulation connecting tube (2), and the second energy storage tube is arranged in series on the third circulation connecting tube (5); the first energy storage tube and the second energy storage tube are respectively connected to the curved surface connecting tube (12) through independent pipelines; a first drive motor is provided on one end of the first circulation connecting tube on the first circulation connecting tube (2), and a second drive motor is provided on one end of the second energy storage tube on the third circulation connecting tube (5); the first drive motor and the second drive motor are respectively used to drive the flow of coolant in the cooling circulation loop.

7. The vehicle air pressure difference driven cooling system according to any one of claims 1 to 6, characterized in that: The coolant is water; the radiator (1) is used to be installed on a vehicle, so as to dissipate heat from the vehicle.

8. An electric vehicle, comprising a cooling system; characterized in that: The cooling system is an air pressure difference driven cooling system for a vehicle as described in any one of claims 1 to 7.

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