Thermally-driven liquid cooling system based on torsional heat effect and control method of thermally-driven liquid cooling system

Abstract

The invention discloses a thermally driven liquid cooling system based on a torsional heat effect and a control method thereof. The thermally driven liquid cooling system comprises a high-temperature working medium circulation loop and a low-temperature working medium circulation loop, the low-temperature working medium circulation loop comprises a cooling heat exchanger, a heat collecting heat exchanger, a third circulation pump, a fourth circulation pump, a first two-position three-way electromagnetic valve, a second two-position three-way electromagnetic valve and a thermal driving torsion heat effect cooling device. The thermally-driven torsion heat effect device comprises a thermally-driven torsion module, a torsion heat effect module and a connecting shaft. The thermal drive torsion module is connected with the torsional heat effect module into a whole through a connecting shaft, and the thermal drive torsion module is used for providing torque needed by the torsional heat effect module. And the torsional heat effect module is used for absorbing or releasing heat of the torsional heat effect element. The mode of thermally driving the torsional heat effect is adopted, so that the cooling system does not need to additionally input torque, energy consumption is reduced, and the application scene of the torsional heat effect is expanded when the cooling system is applied to a high-specific-heat liquid channel.

Description

Technical Field

[0001] The present invention relates to the technical field of liquid cooling, and in particular to a heat-driven liquid cooling system based on torsional thermal effect and a control method thereof. Background Art

[0002] Vapor compression refrigeration technology is currently the dominant technology in various cooling applications. This technology relies on the phase change process of chemical refrigerants to release latent heat through liquid-to-gas conversion to achieve cooling effect. However, the widespread use of these refrigerants has caused serious environmental problems, such as global warming and ozone layer depletion. To meet these challenges and alleviate the increasingly severe energy crisis, solid-state cooling technology that does not require traditional refrigerants has emerged, especially for specific application scenarios.

[0003] Solid-state cooling technology mainly includes magnetocaloric, elastocaloric, pressure-caloric and electrocaloric cooling, which are driven by magnetic field, stress, hydrostatic pressure and electric field respectively. Among them, elastocaloric cooling has attracted much attention due to its excellent temperature change effect, significant thermal effect and simplified driving mechanism. As a special form of elastocaloric cooling, the torsocaloric effect uses the phase transformation of the material from austenite to martensite during the torsion process to achieve temperature increase, while when the torsion is released, the material changes from martensite to austenite, resulting in a temperature decrease. In practical applications, the cooling effect of torsocaloric materials mainly comes from the temperature reduction stage, while the heat generated in the temperature increase stage needs to be dissipated in time. Torsocaloric materials require external torque input to produce thermal effects, which increases energy consumption. Therefore, how to achieve effective torsion of torsocaloric materials with minimal energy has become a major problem in current research. Summary of the invention

[0004] In order to overcome the above-mentioned shortcomings and deficiencies of the prior art, the object of the present invention is to provide a heat-driven liquid cooling system based on torsocaloric effect and a control method thereof. The torsocaloric effect cooling device in the system can convert heat into torque, thereby twisting the torsocaloric effect element, and is applied in liquid channels with high specific heat, which greatly expands the application scenarios of the torsocaloric effect.

[0005] The purpose of the present invention is achieved through the following technical solutions:

[0006] A heat-driven liquid cooling system based on torsional thermal effect, comprising a high-temperature working fluid circulation loop and a low-temperature working fluid circulation loop;

[0007] The high-temperature working medium circulation loop includes a driving heat source, a cooling heat exchanger, a first circulation pump, a second circulation pump, a first two-position four-way solenoid valve, a second two-position four-way solenoid valve, an upper flow channel and a lower flow channel;

[0008] The low-temperature working medium circulation loop includes a cooling heat exchanger, a heat sink heat exchanger, a third circulation pump, a fourth circulation pump, a first two-position three-way solenoid valve, a second two-position three-way solenoid valve and a heat-driven torsional thermal effect cooling device;

[0009] The specific connection is:

[0010] The driving heat source is connected to one end of the first two-position four-way solenoid valve, the first circulating pump is connected between the first two-position four-way solenoid valve and the driving heat source, the cooling heat exchanger is connected to one end of the second two-position four-way solenoid valve, and the second circulating pump is connected between the cooling heat exchanger and the second two-position four-way solenoid valve;

[0011] The two ends of the upper flow channel and the two ends of the lower flow channel are connected between two two-position four-way solenoid valves;

[0012] The cooling heat exchanger, the first two-position three-way solenoid valve, the heat-driven torsional thermal effect cooling device, the second two-position three-way solenoid valve and the heat exchanger are connected in sequence, the third circulation pump is connected between the first two-position three-way solenoid valve and the cooling heat exchanger, and the fourth circulation pump is connected between the second two-position three-way solenoid valve and the heat exchanger.

[0013] Furthermore, the heat-driven torsional thermal effect cooling device includes a heat-driven torsional module and a torsional thermal effect module, the driven torsional module is connected to the torsional thermal effect module via a connecting shaft, and the heat-driven torsional module is used to provide the torque required by the torsional thermal effect module.

[0014] Further, the thermally driven torsion module includes a speed increaser, a coupling, a follower wheel, a thermally driven memory alloy, a flow channel body and a bearing seat;

[0015] The speed increaser, coupling, follower wheel and bearing seat are connected in sequence. There are two follower wheels, and multiple heat-driven memory alloys are fixed on the two follower wheels, which are used to convert the displacement of the heat-driven memory alloy into torsion. The upper part of the heat-driven memory alloy is placed in the upper flow channel, and the lower part is placed in the lower flow channel. The flow channel body is arranged between the two follower wheels, and the upper flow channel and the lower flow channel are arranged in the flow channel body.

[0016] Furthermore, the torsional thermal effect module includes a rotating clamp, a water entry fixing, a torsional thermal effect element, a fixed clamp and a hose, a cavity is arranged inside the water entry fixing and the fixed clamp, a liquid channel is formed inside the water entry fixing, the hose and the fixed clamp, a torsional thermal effect element is arranged in the liquid channel, and the rotating clamp is used to provide torque to the torsional thermal effect element.

[0017] Further, the heat drives the memory alloy into a ring shape.

[0018] Furthermore, the inlet and outlet of the water entry fixing member and the fixing clamping member are respectively installed with pagoda joints.

[0019] Furthermore, it also includes a temperature sensor, which is used to measure the temperature of the working fluid in the driving heat source.

[0020] Furthermore, the driving heat source is used to continuously provide high-temperature working fluid; the heat exchanger is used to discharge the heat of the working fluid to the environment; the cooling heat exchanger is used for working fluid heat exchange; the upper flow channel and the lower flow channel are used to heat or dissipate heat to drive the memory alloy; the two two-position four-way solenoid valves are used to change the high-temperature working fluid circulation loop; the two two-position three-way solenoid valves are used to change the low-temperature working circulation loop.

[0021] Furthermore, the heat-driven memory alloy is installed at a temperature higher than the working environment temperature but lower than the high-temperature working fluid temperature in the driving heat source.

[0022] A control method based on the heat-driven liquid cooling system, comprising:

[0023] P01 system operation, judging whether to operate each circulation pump and solenoid valve according to the temperature in the cooling heat exchanger, collecting the temperature T in the driving heat source 液 and device working time t 工 , execute P02;

[0024] P02 determines the temperature T in the driving heat source 液 Is it greater than the set cooling temperature T 设 ; If greater, execute P03, otherwise execute P01;

[0025] P03 starts the first circulation pump, the second circulation pump, and the third circulation pump, energizes the first two-position four-way solenoid valve, energizes the second two-position three-way solenoid valve, t 工 Start timing and execute P04;

[0026] P04 Determine the device working time t 工 Is it greater than the set period t? 周 One half of; if it is greater than, execute P05, otherwise execute P04;

[0027] P05 de-energizes the first two-position four-way solenoid valve, de-energizes the second two-position three-way solenoid valve, closes the third circulating pump, starts the first circulating pump, energizes the second two-position four-way solenoid valve, energizes the first two-position three-way solenoid valve, and executes P06;

[0028] P06 Determine the working time of the device t 工 Is it greater than the set period t? 周 If it is greater than, execute P07, otherwise execute P06;

[0029] P07 turns off all circulation pumps and solenoid valves, and sets t 工 =0, execute P08;

[0030] P08 determines the temperature T in the driving heat source 液 Is it greater than the set cooling temperature T 设 ; If it is greater, execute P03. Otherwise, execute P09;

[0031] P09 system ends.

[0032] Compared with the prior art, the present invention has the following advantages and beneficial effects:

[0033] (1) The heat-driven torsion module in the cooling system can convert the energy in the driving heat source into the torque of the torsional thermal effect module without the need for additional input torque, thus reducing energy consumption.

[0034] (2) The torsional thermal effect element in the torsional thermal effect module in the cooling system can absorb or release heat and transfer the heat to the liquid working fluid, thereby reducing energy loss and increasing the performance of the cooling device. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 It is a schematic diagram of a heat-driven liquid cooling system based on torsional thermal effect provided by the present invention;

[0036] Figure 2 It is a schematic structural diagram of the heat-driven torsional thermal effect device provided by the present invention;

[0037] Figure 3 It is a liquid flow diagram of the first half cycle of the heat-driven liquid cooling system based on the torsional thermal effect provided by the present invention;

[0038] Figure 4 It is a liquid flow diagram of the second half cycle of the heat-driven liquid cooling system based on the torsional thermal effect provided by the present invention;

[0039] Figure 5 This is a diagram of a control method for a heat-driven liquid cooling system based on torsional thermal effect provided by the present invention.

[0040] In the figure:

[0041] 1-driving heat source, 2-cooling heat exchanger, 3-heat sink heat exchanger, 4-upper flow channel, 5-lower flow channel, 7-first two-position four-way solenoid valve, 8-first circulation pump, 9-second two-position four-way solenoid valve, 10-second circulation pump, 11-first two-position three-way solenoid valve, 12-third circulation pump, 13-second two-position three-way solenoid valve, 14-fourth circulation pump, 15-temperature sensor;

[0042] 6-heat-driven torsional thermal effect cooling device, 601-heat-driven torsion module, 602-torsion thermal effect module, 603-connecting shaft, 601-a-speed increaser, 601-b-coupling, 601-c-follower wheel, 601-d-heat-driven memory alloy, 601-e-flow channel body, 601-f-bearing seat;

[0043] 602-a-rotating clamping piece, 602-b-water entry fixing piece, 602-c-torsional thermal effect element, 602-d-fixed clamping piece, 602-e-clamping screw, 602-f-pagoda joint, 602-g-hose. DETAILED DESCRIPTION

[0044] The present invention will be further described in detail below in conjunction with examples, but the embodiments of the present invention are not limited thereto.

[0045] Example

[0046] like Figure 1 As shown, a heat-driven liquid cooling system based on torsional thermal effect includes a high-temperature working medium circulation loop and a low-temperature working medium circulation loop. The high-temperature working medium circulation loop is composed of a driving heat source 1, a cooling heat exchanger 2, a first circulation pump 8, a second circulation pump 10, a first two-position four-way solenoid valve 7, a second two-position four-way solenoid valve 9, an upper flow channel 4 and a lower flow channel 5; the low-temperature working medium circulation loop is composed of a cooling heat exchanger 2, a heat exchanger 3, a third circulation pump 12, a fourth circulation pump 14, a first two-position three-way solenoid valve 11, a second two-position three-way solenoid valve 13, a heat-driven torsional thermal effect cooling device 6 and a temperature sensor 15.

[0047] The driving heat source is used to continuously provide high-temperature working fluid. The heat sink heat exchanger is used to discharge the heat of the working fluid to the environment. The cooling heat exchanger is used to cool the liquid. The upper flow channel and the lower flow channel are used to heat or dissipate the heat-driven memory alloy. The first two-position four-way solenoid valve and the second two-position four-way solenoid valve are used to change the high-temperature working fluid circulation loop. The first two-position three-way solenoid valve and the second two-position three-way solenoid valve are used to change the low-temperature working circulation loop. The temperature sensor is used to measure the temperature of the working fluid in the driving heat source.

[0048] Figure 2 The heat-driven torsion thermal effect device is a schematic diagram of the structure, including two branches with the same structure, each branch including a heat-driven torsion module 601, a torsion thermal effect module 602 and a connecting shaft 603. The heat-driven torsion module 601 is connected to the torsion thermal effect module 602 through the connecting shaft 603, and the heat-driven torsion module 601 is used to provide the torque required by the torsion thermal effect module 602.

[0049] The thermally driven torsion module 601 includes a speed increaser 601-a, a coupling 601-b, a follower wheel 601-c, a thermally driven memory alloy 601-d, a flow channel body 601-e, and a bearing seat 601-f.

[0050] The speed increaser 601-a, the coupling 601-b, the follower wheel 601-c and the bearing seat 601-f are connected in sequence to form an integral whole. The follower wheel 601-c is fixed with a plurality of heat-driven memory alloys 601-d, which are in a ring shape, and the upper part of the heat-driven memory alloy 601-d is placed in the upper flow channel 4, and the lower part is placed in the lower flow channel 5. The two branches are interconnected through the flow channel body, and the flow channel body 601-e is connected to the upper flow channel 4 and the lower flow channel 5 to form an integral whole. The speed increaser 601-a is used to increase the output speed. The follower wheel 601-c is used to convert the displacement of the heat-driven memory alloy 601-d into torsion, and the follower wheels of the two branches are arranged on both sides of the flow channel body.

[0051] The torsional thermal effect module 602 includes a rotating clamp 602-a, a water entry fixing 602-b, a torsional thermal effect element 602-c, a fixed clamp 602-d, a clamping screw 602-e, a pagoda joint 602-f and a hose 602-g. The water entry fixing 602-b and the fixed clamp 602-d are provided with cavities inside, and the pagoda joint 602-f is installed at the inlet and outlet of the cavity respectively. A liquid channel is formed inside the pagoda joint 602-f, the water entry fixing 602-b, the hose 602-g and the fixed clamp 602-d, and the torsional thermal effect element 602-c is installed inside the liquid channel. One end of the torsional thermal effect element 602-c is fixed inside the rotating clamp 602-a by a clamping screw 602-e, and the other end is clamped inside the fixed clamp 602-d by a clamping screw 602-e. The rotating clamp 602-a is used to provide torque to the torsional thermal effect element 602-c.

[0052] In the initial state of the system, the driving heat source 1 stores a high-temperature working medium, the cooling heat exchanger 2 stores a liquid working medium, and the heat sink 3 stores a normal-temperature working medium. The temperature of the high-temperature working medium in the driving heat source 1 is higher than the temperature of the liquid working medium in the cooling heat exchanger 2. The memory alloy is installed at a temperature higher than the ambient temperature but lower than the driving heat source temperature. In this state, the memory alloy will be heated and extended if it contacts the high-temperature working medium in the driving heat source 1, and will shrink if it contacts the liquid working medium in the cooling heat exchanger 2.

[0053] When the system is running, the high-temperature working medium driving the heat source 1 in the first half cycle flows into the upper flow channel, and the liquid working medium in the cooling heat exchanger 2 flows into the lower flow channel, so that the upper part of the heat-driven memory alloy 601-d is heated, and the lower part is cooled and shrinks, driving the torsional thermal effect element 602-c to twist and heat up. At the same time, the liquid working medium in the cooling heat exchanger 2 flows into the heat-driven torsional thermal effect cooling device 6, is heated and heated, and then flows to the heat sink heat exchanger 3 to discharge the heat into the environment. In the second half of the cycle, the high-temperature working fluid of the driving heat source 1 flows into the lower flow channel, and the liquid working fluid in the cooling heat exchanger 2 flows into the upper flow channel, so that the lower part of the heat-driven memory alloy 601-d is heated and elongated, and the upper part is cooled and contracted, resulting in a twisting in the opposite direction relative to the first half of the cycle, driving the torsional thermal effect element 602-c to untwist and cool down. At the same time, the liquid working fluid in the heat exchanger 3 flows into the heat-driven torsional thermal effect cooling device 6 to cool down and then flows into the cooling heat exchanger 2, and mixes with the high-temperature working fluid that drives the heat source 1 to flow into the cooling heat exchanger 2, thereby reducing the temperature of the liquid working fluid in the cooling heat exchanger 2.

[0054] The system runs as follows:

[0055] like Figure 3 As shown, when the system is running, when the temperature sensor 15 inside the driving heat source 1 detects the temperature T of the internal working fluid 液 and with the set temperature T 设 For comparison, if T 液 Less than or equal to T 设 , the system will not be started; if T 液 Greater than T 设 , then start the first circulation pump 8, the second circulation pump 10, and the third circulation pump 12, energize the first two-position four-way solenoid valve 7, and the second two-position three-way solenoid valve 13, and the device works for a time t 工Start timing. At this time, the high-temperature working medium driving the heat source 1 first passes through the first two-position four-way solenoid valve 7 under the action of the first circulation pump 8, and then flows through the upper flow channel 4 to heat the upper heat-driven memory alloy 601-d so that it stretches after being heated; at the same time, the liquid working medium in the cooling heat exchanger 2 first flows through the second two-position four-way solenoid valve 9 under the action of the second circulation pump 10, and then flows through the lower flow channel 5 to cool the lower heat-driven memory alloy 601-d so that it shrinks after cooling. At this time, the upper heat-driven memory alloy 601-d stretches due to heating, and the lower heat-driven memory alloy 601-d shrinks due to cooling, so that the two follower wheels 601-c fixed thereto rotate one forward and the other reversely. The rotation of the follower wheel 601-c causes the coupling 601-b, the speed increaser 601-a and the connecting shaft 603 to rotate accordingly, thereby driving the rotating clamp 602-a of the torsional thermal effect module 602 to rotate. The torsional thermal effect element 602-c is twisted under the action of the rotating clamp 602-a and the clamping screw 602-e. At this time, the working fluid in the cooling heat exchanger 2 first passes through the first two-position three-way solenoid valve 11 under the action of the third circulation pump, and then flows into the liquid channel of the torsional thermal effect module 602. The temperature of the torsional thermal effect element 602-c will increase when it is twisted, causing the temperature of the flowing working fluid to increase. The working fluid with increased temperature finally flows into the heat exchanger 3, and the fan in the heat exchanger 3 discharges the heat to the environment.

[0056] like Figure 4 As shown, at the same time, the control unit will make the component device work for a time t 工 With the set period t 周 When t 工 Greater than or equal to t 周When the first two-position four-way solenoid valve 7 and the first two-position three-way solenoid valve 13 are powered off, the third circulation pump 12 is turned off, the fourth circulation pump 14 is started, and the second two-position four-way solenoid valve 9 and the first two-position three-way solenoid valve 11 are powered on. At this time, the high-temperature working medium driving the heat source 1 first flows through the first two-position four-way solenoid valve 7 under the action of the first circulation pump 8, and then flows through the lower flow channel 5 to heat the lower heat-driven memory alloy 601-d so that it stretches after being heated. The normal-temperature working medium in the heat exchanger 3 first flows through the second two-position four-way solenoid valve 9 under the action of the second circulation pump 10, and then flows through the upper flow channel 4 to cool the upper heat-driven memory alloy 601-d so that it contracts after cooling. At this time, the upper heat-driven memory alloy 601-d contracts due to cooling, and the lower heat-driven memory alloy 601-d stretches due to heating, causing the two follower wheels 601-c fixed thereto to reverse their rotation direction compared to the first half of the working cycle. The rotation of the follower wheel 601-c causes the coupling 601-b, the speed increaser 601-a and the connecting shaft 603 to rotate accordingly. This in turn drives the rotating clamp 602-a of the torsional thermal effect module 602 to rotate. The torsional thermal effect element 602-c is untwisted under the action of the rotating clamp 602-a and the clamping screw 602-e. At this time, the working fluid in the heat exchanger 3 first passes through the first two-position three-way solenoid valve 13 under the action of the fourth circulation pump 14, and then enters the liquid channel of the torsional thermal effect module 602. The temperature of the torsional thermal effect element 602-c will drop when it is untwisted, causing the temperature of the flowing working fluid to drop. The working fluid with a lowered temperature finally flows into the cooling heat exchanger 2, and mixes with the high-temperature working fluid that drives the heat source 1 to flow into the cooling heat exchanger 2, thereby reducing the temperature of the liquid working fluid in the cooling heat exchanger 2. In this way, one cycle of the device is completed.

[0057] like Figure 5 As shown, this embodiment also provides a control method for a heat-driven liquid cooling system based on the torsional thermal effect, comprising:

[0058] P01 system is running, judging whether to operate each circulation pump and solenoid valve according to the temperature in the cooling heat exchanger 2, and collecting the temperature T in the driving heat source 1 液 and device working time t 工 , execute P02;

[0059] P02 determines the temperature T in the driving heat source 1 液 Is it greater than the set cooling temperature T 设 ; If greater than, execute P03. Otherwise, execute P01;

[0060] P03 starts the first circulation pump 8, the second circulation pump 10, and the third circulation pump 12, energizes the first two-position four-way solenoid valve 7, and the second two-position three-way solenoid valve 13, t 工 Start timing and execute P04;

[0061] P04 Determine the device working time t 工 Is it greater than the set period t? 周 One half of; if it is greater than, execute P05, otherwise execute P04;

[0062] P05 de-energizes the first two-position four-way solenoid valve 7, de-energizes the second two-position three-way valve 13, closes the third circulation pump 12, starts the fourth circulation pump 14, energizes the second two-position four-way solenoid valve 9, energizes the first two-position three-way solenoid valve 11, and executes P06;

[0063] P06 Determine the working time of the device t 工 Is it greater than the set period t? 周 If it is greater than, execute P07, otherwise execute P06;

[0064] P07 turns off all circulation pumps and solenoid valves, and sets t 工 =0, execute P08;

[0065] P08 determines the temperature T in the driving heat source 1 液 Is it greater than the set cooling temperature T 设 ; If greater than, execute P03. Otherwise, execute P09;

[0066] P09 system ends.

[0067] The above embodiments are preferred implementation modes of the present invention, but the implementation modes of the present invention are not limited to the embodiments. Any other changes, modifications, substitutions, combinations, and simplifications that do not deviate from the spirit and principles of the present invention should be equivalent replacement methods and are included in the protection scope of the present invention.

Claims

1. A heat-driven liquid cooling system based on torsional thermal effect, characterized in that: It includes a high-temperature working fluid circulation loop and a low-temperature working fluid circulation loop; The high-temperature working medium circulation loop includes a driving heat source, a cooling heat exchanger, a first circulation pump, a second circulation pump, a first two-position four-way solenoid valve, a second two-position four-way solenoid valve, an upper flow channel and a lower flow channel; The low-temperature working medium circulation loop includes a cooling heat exchanger, a heat sink heat exchanger, a third circulation pump, a fourth circulation pump, a first two-position three-way solenoid valve, a second two-position three-way solenoid valve and a heat-driven torsional thermal effect cooling device; The specific connection is: The driving heat source is connected to one end of the first two-position four-way solenoid valve, the first circulating pump is connected between the first two-position four-way solenoid valve and the driving heat source, the cooling heat exchanger is connected to one end of the second two-position four-way solenoid valve, and the second circulating pump is connected between the cooling heat exchanger and the second two-position four-way solenoid valve; The two ends of the upper flow channel and the two ends of the lower flow channel are connected between two two-position four-way solenoid valves; The cooling heat exchanger, the first two-position three-way solenoid valve, the heat-driven torsional thermal effect cooling device, the second two-position three-way solenoid valve and the heat exchanger are connected in sequence, the third circulation pump is connected between the first two-position three-way solenoid valve and the cooling heat exchanger, and the fourth circulation pump is connected between the second two-position three-way solenoid valve and the heat exchanger.

2. The heat-driven liquid cooling system according to claim 1, characterized in that: The heat-driven torsional thermal effect cooling device comprises a heat-driven torsional module and a torsional thermal effect module. The drive torsional module is connected to the torsional thermal effect module via a connecting shaft. The heat-driven torsional module is used to provide the torque required by the torsional thermal effect module.

3. The heat-driven liquid cooling system according to claim 2, characterized in that: The thermally driven torsion module includes a speed increaser, a coupling, a follower wheel, a thermally driven memory alloy, a flow channel body and a bearing seat; The speed increaser, coupling, follower wheel and bearing seat are connected in sequence. There are two follower wheels, and multiple heat-driven memory alloys are fixed on the two follower wheels, which are used to convert the displacement of the heat-driven memory alloy into torsion. The upper part of the heat-driven memory alloy is placed in the upper flow channel, and the lower part is placed in the lower flow channel. The flow channel body is arranged between the two follower wheels, and the upper flow channel and the lower flow channel are arranged in the flow channel body.

4. The heat-driven liquid cooling system according to claim 2, characterized in that: The torsional thermal effect module includes a rotating clamp, a water entry fixing, a torsional thermal effect element, a fixed clamp and a hose, wherein cavities are arranged inside the water entry fixing and the fixed clamp, and liquid channels are formed inside the water entry fixing, the hose and the fixed clamp, and the torsional thermal effect element is arranged in the liquid channel, and the rotating clamp is used to provide torque to the torsional thermal effect element.

5. The heat-driven liquid cooling system according to claim 3, characterized in that: The heat drives the memory alloy into a ring shape.

6. The heat-driven liquid cooling system according to claim 4, characterized in that: The inlet and outlet of the water entry fixing member and the fixing clamping member are respectively installed with pagoda joints.

7. The heat-driven liquid cooling system according to any one of claims 1 to 6, characterized in that: It also includes a temperature sensor, which is used to measure the temperature of the working fluid in the driving heat source.

8. The heat-driven liquid cooling system according to claim 7, characterized in that: The driving heat source is used to continuously provide high-temperature working fluid; the heat sink heat exchanger is used to discharge the heat of the working fluid to the environment; the cooling heat exchanger is used for working fluid heat exchange; the upper flow channel and the lower flow channel are used to heat or dissipate heat to drive the memory alloy; the two two-position four-way solenoid valves are used to change the high-temperature working fluid circulation loop; the two two-position three-way solenoid valves are used to change the low-temperature working circulation loop.

9. The heat-driven liquid cooling system according to claim 8, characterized in that: The heat-driven memory alloy is installed at a temperature higher than the working environment temperature but lower than the high-temperature working fluid temperature in the driving heat source.

10. A control method for a heat-driven liquid cooling system according to any one of claims 1 to 9, characterized in that: include: P01 system operation, judging whether to operate each circulation pump and solenoid valve according to the temperature in the cooling heat exchanger, collecting the temperature T in the driving heat source 液 and device working time t 工 , execute P02; P02 determines the temperature T in the driving heat source 液 Is it greater than the set cooling temperature T 设 ; If greater, execute P03, otherwise execute P01; P03 starts the first circulation pump, the second circulation pump, and the third circulation pump, energizes the first two-position four-way solenoid valve, energizes the second two-position three-way solenoid valve, t 工 Start timing and execute P04; P04 Determine the device working time t 工 Is it greater than the set period t? 周 One half of; if it is greater than, execute P05, otherwise execute P04; P05 de-energizes the first two-position four-way solenoid valve, de-energizes the second two-position three-way solenoid valve, closes the third circulating pump, starts the first circulating pump, energizes the second two-position four-way solenoid valve, energizes the first two-position three-way solenoid valve, and executes P06; P06 Determine the working time of the device t 工 Is it greater than the set period t? 周 If it is greater than, execute P07, otherwise execute P06; P07 turns off all circulation pumps and solenoid valves, and sets t 工 =0, execute P08; P08 determines the temperature T in the driving heat source 液 Is it greater than the set cooling temperature T 设 ; If it is greater, execute P03, otherwise execute P09; P09 system ends.

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