CN112764506B - Notebook computer heat dissipation device utilizing thermoelectricity and using method thereof - Google Patents
Notebook computer heat dissipation device utilizing thermoelectricity and using method thereof Download PDFInfo
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- CN112764506B CN112764506B CN202110101748.0A CN202110101748A CN112764506B CN 112764506 B CN112764506 B CN 112764506B CN 202110101748 A CN202110101748 A CN 202110101748A CN 112764506 B CN112764506 B CN 112764506B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/20—Cooling means
- G06F1/203—Cooling means for portable computers, e.g. for laptops
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2200/00—Indexing scheme relating to G06F1/04 - G06F1/32
- G06F2200/20—Indexing scheme relating to G06F1/20
- G06F2200/201—Cooling arrangements using cooling fluid
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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Abstract
The invention relates to a notebook computer heat sink using thermoelectricity and a using method thereof, comprising a heat conduction loop pipe arranged above a chip, wherein the heat conduction loop pipe can transfer heat with the chip, heat conduction liquid is arranged in the heat conduction loop pipe, and the heat conduction loop pipe can also transfer heat with a heat radiation fan; the heat conduction loop pipe is provided with a first thermoelectric device, the heat conduction loop pipe is internally provided with a circulation assembly, the circulation assembly is electrically connected with the battery, a first signal input end of the controller is electrically connected with a signal output end of the first thermoelectric device, and a first signal output end of the controller is electrically connected with a signal input end of the circulation assembly. This application drives the intraductal heat conduction liquid of heat-conduction return circuit through the circulation subassembly and carries out the circulation flow, conducts the heat that the chip produced through heat conduction liquid, carries out the forced air cooling heat dissipation through radiator fan, and the radiating efficiency is high, strong adaptability.
Description
Technical Field
The invention relates to the field of notebook heat dissipation, in particular to a notebook heat dissipation device utilizing thermoelectricity and a using method thereof.
Background
The notebook computer uses a large amount of integrated circuits, and the notebook computer can generate high temperature inside the notebook computer after being used for a long time, and the high temperature can not only cause unstable system operation and shorten the service life, but also possibly cause burning of certain parts. The radiator is used for absorbing the heat and then radiating the heat to an external space to ensure that the temperature of the notebook computer component is normal, and most radiators absorb the heat by contacting with the surface of the heating component and then transmit the heat to the outside of the notebook computer.
The existing notebook computer radiator radiates heat through air cooling, and has the disadvantages of single radiating means, poor radiating effect and poor risk resistance; when the existing notebook computer heat dissipation device is used for heat dissipation through water cooling, delayed closing of the water cooling heat dissipation cannot be achieved, when the notebook computer is closed, the water cooling heat dissipation device stops working, a large amount of heat is not dissipated from the inside of the notebook computer, and the service life of an internal circuit board can be influenced.
Disclosure of Invention
The invention aims to provide a notebook computer heat dissipation device utilizing thermoelectricity and a using method thereof, which are used for dissipating heat of a notebook computer.
The notebook computer shell comprises a notebook computer shell, wherein a heat dissipation port is arranged at the bottom of the notebook computer shell, a circuit board is arranged in the notebook computer shell, a chip is arranged on the circuit board, a heat dissipation fan is arranged above the heat dissipation port, a battery is also arranged on the notebook computer shell, a heat conduction loop pipe is arranged above the chip, heat can be transferred between the heat conduction loop pipe and the chip, heat conduction liquid is arranged in the heat conduction loop pipe, and heat can be transferred between the heat conduction loop pipe and the heat dissipation fan;
the notebook computer is characterized in that a first thermoelectric device is arranged on the heat conduction loop pipe, a heat receiving end of the first thermoelectric device penetrates through the inner wall and the outer wall of the heat conduction loop pipe and extends into heat conduction liquid, a circulation assembly is arranged in the heat conduction loop pipe, the circulation assembly is electrically connected with a battery, a controller is arranged in the notebook computer shell, a first signal input end of the controller is electrically connected with a signal output end of the first thermoelectric device, and a first signal output end of the controller is electrically connected with a signal input end of the circulation assembly.
Preferably, the circulating assembly comprises a paddle and a motor;
the motor is arranged on the outer wall of the heat conduction loop pipe, a motor shaft of the motor can rotatably penetrate through the inner wall and the outer wall of the heat conduction loop pipe and extend into the heat conduction loop pipe, a paddle is arranged on the motor shaft of the motor in the heat conduction loop pipe, and the axial direction of the motor shaft of the motor is parallel to the flowing direction of the heat conduction liquid;
the motor is electrically connected with the battery, and the first signal output end of the controller is electrically connected with the signal input end of the motor.
Preferably, the heat dissipation device further comprises a water cooling assembly capable of performing water cooling heat dissipation on the notebook computer, wherein the water cooling assembly comprises a water cooling circulation module capable of performing water cooling heat dissipation on the notebook computer and an opening and closing module for controlling a liquid inlet of the water cooling circulation module to be communicated with the heat conduction loop pipe;
the liquid outlet of water-cooling circulation module and the inlet of water-cooling circulation module all with heat-conduction return circuit pipe UNICOM, the switching piece setting of switching module is in the inlet position of water-cooling circulation module.
Preferably, the water-cooling circulation module comprises a second thermoelectric device, a first water pipe, a second water pipe, a first one-way check valve, a second one-way check valve, a liquid storage tank, a refrigerator and a water pump;
the water inlet end of the first water pipe is communicated with the interior of the heat conduction loop pipe, the water outlet end of the first water pipe is communicated with the liquid storage tank, the water inlet end of the second water pipe is communicated with the liquid storage tank, the water outlet end of the second water pipe is communicated with the interior of the heat conduction loop pipe, the liquid storage tank is arranged in the notebook shell, a first one-way check valve is arranged on the first water pipe, a second one-way check valve is arranged on the second water pipe, a water pump is also arranged on the second water pipe between the second one-way check valve and the liquid storage tank, the water pump is electrically connected with the battery, and the water pump is connected in the notebook shell;
the liquid storage tank is internally provided with heat conduction liquid, the liquid storage tank is internally provided with a refrigerator, and the refrigerator is electrically connected with the battery;
the second thermoelectric device is arranged below the first water pipe, a heat receiving end of the second thermoelectric device penetrates through the inner wall and the outer wall of the first water pipe and extends into the first water pipe, a signal output end of the second thermoelectric device is electrically connected with a second signal input end of the controller, a second signal output end of the controller is electrically connected with a signal input end of the water pump, and a third signal output end of the controller is electrically connected with a signal input end of the refrigerator.
Preferably, the opening and closing module comprises a push block, an electromagnet, a movable iron core, a first mounting block, a first spring, a second mounting block, a second spring, a third thermoelectric device, a sealing baffle, a first through groove, a second through groove, an opening and closing stop block, a sliding groove and a sliding block;
the third thermoelectric device is arranged on the heat conduction loop pipe, a heat receiving end of the third thermoelectric device, which is positioned between the heat dissipation fan and the chip, penetrates through the inner wall and the outer wall of the heat conduction loop pipe and extends into the heat conduction liquid, the heat receiving end of the third thermoelectric device is positioned behind the heat dissipation fan in the flow direction of the heat conduction liquid, an electromagnet is arranged on the heat conduction loop pipe and is electrically connected with the third thermoelectric device, a movable iron core is slidably arranged in the electromagnet, the sliding direction of the movable iron core is parallel to the flow direction of the heat conduction liquid in the first water pipe, one end, away from the first water pipe, of the movable iron core is connected with a first spring, the other end of the first spring is connected with a first mounting block, and the first mounting block is arranged on the heat conduction loop pipe;
a sealing baffle is arranged between a heat receiving end of a second thermoelectric device in the first water pipe and the heat conduction loop pipe, a first through groove penetrating through the left side wall and the right side wall of the sealing baffle is formed in the sealing baffle, an opening and closing stop block is arranged in the first water pipe in a sliding manner and is positioned between the second thermoelectric device and the sealing baffle, and the opening and closing stop block can be matched with the first through groove to close a water inlet end of the first water pipe;
a sliding groove is formed in the first water pipe along the flowing direction of the heat conduction liquid, a second through groove penetrating through the inner wall and the outer wall of the first water pipe is arranged in the sliding groove, a sliding block is arranged in the sliding groove in a sealing mode, one end of the sliding block extends out of the sliding groove and is connected with an opening and closing stop block, a push block is arranged in the second through groove, one end of the push block is connected with the sliding block, the other end of the push block extends out of the outer wall of the first water pipe, the extending section of the outer wall of the first water pipe of the push block is located on the sliding path of the movable iron core, the side wall, away from the movable iron core, of the push block is connected with a second spring, the other end of the second spring is connected with a second mounting block, the second mounting block is arranged on the first water pipe, and the axis direction of the second spring is parallel to the sliding direction of the sliding groove;
the maximum sliding stroke of the sliding block in the sliding groove is a, the maximum displacement of the push block in the second through groove is b, a is larger than b, the distance between the left side wall of the push block and the left side wall of the sliding block is m, the distance between the right side wall of the push block and the right side wall of the sliding block is n, m is larger than b, and n is larger than b.
Preferably, the conduction loop pipe is further provided with a rotating speed regulator and a rotating speed gear regulating switch, a signal input end of the rotating speed regulator is electrically connected with a signal output end of the rotating speed gear regulating switch, a signal output end of the rotating speed regulator is electrically connected with the cooling fan, the rotating speed gear regulating switch comprises a regulating shifting piece, and one end of the regulating shifting piece is connected with the movable iron core;
the maximum moving displacement of the movable iron core is x, the maximum moving displacement of the adjusting shifting piece is y, and x is larger than y.
A method for using a notebook heat sink using thermoelectricity comprises the following steps:
s1: the heat receiving end of the first thermoelectric device collects temperature signals in the heat conduction loop pipe, when the temperature difference between the heat receiving end of the first thermoelectric device and the cold end of the first thermoelectric device is larger than the power generation temperature difference, electric signals are generated and sent to the controller, the controller can control the motor to start, when the temperature difference between the heat receiving end of the first thermoelectric device and the cold end of the first thermoelectric device is smaller than the power generation temperature difference, the heat receiving end of the first thermoelectric device continues to collect the temperature, and when the notebook is started, the cooling fan is controlled to start to perform air cooling and heat dissipation;
s2: the controller controls the motor to start, drives the paddle to rotate, and drives the heat conduction liquid in the heat conduction loop pipe to circulate;
s3: the heat receiving end of the third thermoelectric device collects temperature signals in the heat conduction loop pipe, when the temperature difference between the heat receiving end of the third thermoelectric device and the cold end of the third thermoelectric device is larger than the power generation temperature difference, electric signals are generated and sent to the controller, the controller can control the electromagnet to be started, when the temperature difference between the heat receiving end of the third thermoelectric device and the cold end of the third thermoelectric device is smaller than the power generation temperature difference, the heat receiving end of the third thermoelectric device continues to collect temperature, and the electromagnet is not started;
s4: the controller controls the electromagnet to start to drive the movable iron core to move forwards, the push block pushes the opening and closing stop block to move, so that heat conduction liquid in the heat conduction loop pipe flows into the first water pipe, at the moment, the heat receiving end of the second thermoelectric device starts to collect temperature signals in the heat conduction liquid, meanwhile, the movable iron core moves forwards to drive the adjusting poking piece to move, the adjusting poking piece controls the rotating speed gear adjusting switch to send adjusting signals to the rotating speed adjuster, and the rotating speed adjuster controls the radiating fan to adjust the rotating speed;
s5: the heat receiving end of the second thermoelectric device collects temperature signals in the first water pipe, when the temperature difference between the heat receiving end of the second thermoelectric device and the cold end of the second thermoelectric device is larger than the power generation temperature difference, electric signals are generated and sent to the controller, the controller can control the water pump and the refrigerator to be started, when the temperature difference between the heat receiving end of the second thermoelectric device and the cold end of the second thermoelectric device is smaller than the power generation temperature difference, the heat receiving end of the second thermoelectric device continues to collect temperature, and the water pump and the refrigerator cannot be started;
s6: the controller controls the water pump and the refrigerator to start, and drives the heat conduction liquid in the liquid storage tank to circulate for water cooling;
s7: when the heat receiving end of the third thermoelectric device collects temperature signals in the heat conduction loop pipe and the temperature difference between the heat receiving end of the third thermoelectric device and the cold end of the third thermoelectric device is smaller than the power generation temperature difference, the electromagnet is closed;
s8: the controller controls the electromagnet to be closed, the movable iron core is driven by the first spring to move backwards, the push block is driven by the second spring to move backwards to drive the opening and closing stop block to be matched with the first through groove again, meanwhile, the heat receiving end of the second thermoelectric device continues to collect temperature signals in the first water pipe, the temperature difference between the heat receiving end of the second thermoelectric device and the cold end of the second thermoelectric device is larger than the power generation temperature difference to generate electric signals, at the moment, the controller continues to control the water pump and the refrigerator to be started, pumped heat conduction liquid pushes the opening and closing stop block away, and water-cooling heat dissipation with delayed closing is carried out;
s9: when the temperature difference between the heat receiving end of the second thermoelectric device and the cold end of the second thermoelectric device is smaller than the power generation temperature difference, the controller controls the water pump and the refrigerator to be closed;
s10: when the temperature difference between the heat receiving end of the second thermoelectric device and the cold end of the second thermoelectric device is smaller than the power generation temperature difference, the controller controls the water pump and the refrigerator to be closed;
s11: when the heat receiving end of the first thermoelectric device collects temperature signals in the heat conduction loop pipe, and the temperature difference between the heat receiving end of the first thermoelectric device and the cold end of the first thermoelectric device is smaller than the power generation temperature difference, the controller controls the motor to be closed.
Due to the adoption of the technical scheme, the invention has the following advantages:
1. the heat conduction liquid storage tank is provided with the first water pipe and the second water pipe, and the heat conduction loop pipe and the liquid storage tank can be communicated, so that the external circulation of the heat conduction liquid can be formed;
2. by arranging the first thermoelectric device, the second thermoelectric device and the third thermoelectric device, the starting time of the cooling fan or the water pump can be controlled according to the temperature change in the heat conduction liquid, so that the energy waste and the equipment loss are avoided, and the cost is saved;
3. after the water pump is started, due to the fact that the refrigerator is used, the temperature of the heat conducting liquid which circulates outside is reduced by the heat radiating device in a water cooling mode, after the temperature is reduced, the electromagnet is closed to drive the opening and closing stop block to be closed, the opening and closing stop block is located between the second thermoelectric device and the sealing baffle, the second thermoelectric device can continuously control the water pump to be started through the controller, the heat conducting liquid pumped by the water pump can push the opening and closing stop block open to conduct continuous water cooling heat radiation, time delay closing of the water pump is achieved, heat radiating efficiency is improved, and heat radiating degree is increased;
4. according to the cooling fan, the rotating speed regulator and the rotating speed gear adjusting switch are arranged, after the electromagnet is started, the iron core is moved to drive the adjusting shifting piece to move, switching between high and low rotating speed gears of the rotating speed gear adjusting switch can be achieved, synchronization can be achieved, the rotating speed of the cooling fan is reduced while water cooling is carried out, energy is saved, and the service life of the cooling fan is prolonged;
additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof.
Drawings
The drawings of the present invention are described below.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion of the invention at A;
FIG. 3 is a top view of the structure of the water-cooling circulation module, the heat conduction loop pipe and the heat dissipation fan of the present invention;
FIG. 4 is a partial enlarged view of the invention at B;
FIG. 5 is a cross-sectional view at C-C of the present invention;
FIG. 6 is an enlarged view of a portion of the invention at D;
FIG. 7 is a schematic view of the internal structure of the liquid storage tank of the present invention;
fig. 8 is a schematic structural view of a first water pipe and an opening and closing module according to the present invention.
In the figure: 1. a notebook housing; 2. a heat dissipation port; 3. a circuit board; 4. a chip; 5. a heat-dissipating fan; 6. a battery; 7. a heat conductive loop pipe; 8. a first thermoelectric device; 9. a controller; 10. a paddle; 11. a motor; 12. a second thermoelectric device; 13. a water pump; 14. a first water pipe; 15. a second water pipe; 16. a first one-way check valve; 17. a second one-way check valve; 18. a liquid storage tank; 19. a refrigerator; 20. pushing a block; 21. an electromagnet; 22. a movable iron core; 23. a first mounting block; 24. a first spring; 25. a second mounting block; 26. a second spring; 27. a third thermoelectric device; 28. sealing the baffle plate; 29. a first through groove; 30. a second through groove; 31. opening and closing the stop block; 32. a chute; 33. a slider; 34. a rotational speed regulator; 35. a rotating speed gear adjusting switch; 36. the plectrum is adjusted.
Detailed Description
The invention is further illustrated by the following figures and examples.
As shown in fig. 1 to 8, a notebook heat dissipation device using thermoelectricity comprises a notebook housing 1, a heat dissipation port 2 is arranged at the bottom of the notebook housing 1, a circuit board 3 is installed in the notebook housing 1, a chip 4 is arranged on the circuit board 3, a heat dissipation fan 5 is arranged above the heat dissipation port 2, a battery 6 is further arranged in the notebook housing 1, a heat conduction loop pipe 7 is arranged above the chip 4, heat can be transferred between the heat conduction loop pipe 7 and the chip 4, heat conduction liquid is arranged in the heat conduction loop pipe 7, and heat can be transferred between the heat conduction loop pipe 7 and the heat dissipation fan 5; be provided with first thermoelectric device 8 on the heat-conduction return pipe 7, the heat receiving terminal of first thermoelectric device 8 runs through heat-conduction return pipe 7 inside and outside wall and stretches into in the heat-conduction liquid, be provided with the circulation subassembly in the heat-conduction return pipe 7, electric connection between circulation subassembly and the battery 6, be provided with controller 9 in the notebook casing 1, the first signal input part of controller 9 is connected with the signal output part electricity of first thermoelectric device 8, the first signal output part of controller 9 is connected with the signal input part electricity of circulation subassembly.
The circulating assembly comprises a paddle 10 and a motor 11; the motor 11 is arranged on the outer wall of the heat conduction loop pipe 7, a motor shaft of the motor 11 can rotatably penetrate through the inner wall and the outer wall of the heat conduction loop pipe 7 and extend into the heat conduction loop pipe 7, a paddle 10 is arranged on the motor shaft of the motor 11 in the heat conduction loop pipe 7, and the axial direction of the motor shaft of the motor 11 is parallel to the flowing direction of the heat conduction liquid; the motor 11 is electrically connected with the battery 6, and a first signal output end of the controller 9 is electrically connected with a signal input end of the motor 11.
The heat dissipation device also comprises a water cooling component capable of carrying out water cooling heat dissipation on the notebook computer, wherein the water cooling component comprises a water cooling circulation module capable of carrying out water cooling heat dissipation on the notebook computer and an opening and closing module for controlling a liquid inlet of the water cooling circulation module to be communicated with the heat conduction loop pipe 7; the liquid outlet of water-cooling circulation module and the inlet of water-cooling circulation module all with heat-conduction return circuit pipe 7 UNICOM, the switching piece of switching module sets up the inlet position at water-cooling circulation module.
The water-cooling circulation module comprises a second thermoelectric device 12, a first water pipe 14, a second water pipe 15, a first one-way check valve 16, a second one-way check valve 17, a liquid storage tank 18, a refrigerator 19 and a water pump 13; the water inlet end of the first water pipe 14 is communicated with the interior of the heat conduction loop pipe 7, the water outlet end of the first water pipe 14 is communicated with the liquid storage tank 18, the water inlet end of the second water pipe 15 is communicated with the liquid storage tank 18, the water outlet end of the second water pipe 15 is communicated with the interior of the heat conduction loop pipe 7, the liquid storage tank 18 is arranged in the notebook shell 1, the first water pipe 14 is provided with a first one-way check valve 16, the second water pipe 15 is provided with a second one-way check valve 17, the second water pipe 15 between the second one-way check valve 17 and the liquid storage tank 18 is also provided with a water pump 13, the water pump 13 is electrically connected with the battery 6, and the water pump 13 is connected in the notebook shell 1; the liquid storage tank 18 is filled with heat conduction liquid, the liquid storage tank 18 is internally provided with a refrigerator 19, and the refrigerator 19 is electrically connected with the battery 6; the second thermoelectric device 12 is arranged below the first water pipe 14, a heat receiving end of the second thermoelectric device 12 penetrates through the inner wall and the outer wall of the first water pipe 14 and extends into the first water pipe 14, a signal output end of the second thermoelectric device 12 is electrically connected with a second signal input end of the controller 9, a second signal output end of the controller 9 is electrically connected with a signal input end of the water pump 13, and a third signal output end of the controller 9 is electrically connected with a signal input end of the refrigerator 19.
The opening and closing module comprises a push block 20, an electromagnet 21, a movable iron core 22, a first mounting block 23, a first spring 24, a second mounting block 25, a second spring 26, a third thermoelectric device 27, a sealing baffle 28, a first through groove 29, a second through groove 30, an opening and closing stop block 31, a sliding groove 32 and a sliding block 33; the third thermoelectric device 27 is arranged on the heat conduction loop pipe 7, a heat receiving end of the third thermoelectric device 27, which is positioned between the heat dissipation fan 5 and the chip 4, penetrates through the inner wall and the outer wall of the heat conduction loop pipe 7 and extends into the heat conduction liquid, the heat receiving end of the third thermoelectric device 27 is positioned behind the heat dissipation fan 5 in the flow direction of the heat conduction liquid, the heat conduction loop pipe 7 is provided with an electromagnet 21, the electromagnet 21 is electrically connected with the third thermoelectric device 27, a movable iron core 22 is slidably arranged in the electromagnet 21, the sliding direction of the movable iron core 22 is parallel to the flow direction of the heat conduction liquid in the first water pipe 14, one end, far away from the first water pipe 14, of the movable iron core 22 is connected with a first spring 24, the other end of the first spring 24 is connected with a first mounting block 23, and the first mounting block 23 is arranged on the heat conduction loop pipe 7; a sealing baffle 28 is arranged between the heat receiving end of the second thermoelectric device 12 in the first water pipe 14 and the heat conduction loop pipe 7, a first through groove 29 penetrating through the left and right side walls of the sealing baffle 28 is formed in the sealing baffle 28, an opening and closing stopper 31 is arranged in the first water pipe 14 in a sliding manner, the opening and closing stopper 31 is positioned between the second thermoelectric device 12 and the sealing baffle 28, and the opening and closing stopper 31 can be matched with the first through groove 29 to close the water inlet end of the first water pipe 14; a sliding groove 32 is formed in the first water pipe 14 along the flowing direction of the heat transfer liquid, a second through groove 30 penetrating through the inner wall and the outer wall of the first water pipe 14 is formed in the sliding groove 32, a sliding block 33 is arranged in the sliding groove 32 in a sealing and sliding manner, one end of the sliding block 33 extends out of the sliding groove 32 and is connected with an opening and closing stop block 31, a push block 20 is arranged in the second through groove 30, one end of the push block 20 is connected with the sliding block 33, the other end of the push block 20 extends out of the outer wall of the first water pipe 14, the extending section of the outer wall of the first water pipe 14 of the push block 20 is positioned on the sliding path of the movable iron core 22, the side wall, away from the movable iron core 22, of the push block 20 is connected with a second spring 26, the other end of the second spring 26 is connected with a second mounting block 25, the second mounting block 25 is arranged on the first water pipe 14, and the axis direction of the second spring 26 is parallel to the sliding direction of the sliding groove 32; the maximum sliding stroke of the sliding block 33 in the sliding groove 32 is a, the maximum displacement of the push block 20 in the second through groove 30 is b, a > b, the distance between the left side wall of the push block 20 and the left side wall of the sliding block 33 is m, the distance between the right side wall of the push block 20 and the right side wall of the sliding block 33 is n, m > b, and n > b.
The conduction loop pipe is also provided with a rotating speed regulator 34 and a rotating speed gear regulating switch 35, a signal input end of the rotating speed regulator 34 is electrically connected with a signal output end of the rotating speed gear regulating switch 35, a signal output end of the rotating speed regulator 34 is electrically connected with the cooling fan 5, the rotating speed gear regulating switch 35 comprises a regulating shifting piece 36, and one end of the regulating shifting piece 36 is connected with the movable iron core 22; the maximum moving displacement of the movable iron core 22 is x, the maximum moving displacement of the adjusting poking piece 36 is y, and x > y.
A method for using a notebook heat sink using thermoelectricity comprises the following steps:
s1: the heat receiving end of the first thermoelectric device 8 collects temperature signals in the heat conduction loop pipe 7, when the temperature difference between the heat receiving end of the first thermoelectric device 8 and the cold end of the first thermoelectric device 8 is larger than the power generation temperature difference, electric signals are generated and sent to the controller 9, the controller 9 controls the motor 11 to start, when the temperature difference between the heat receiving end of the first thermoelectric device 8 and the cold end of the first thermoelectric device 8 is smaller than the power generation temperature difference, the heat receiving end of the first thermoelectric device 8 continues to collect temperature, and the notebook computer is started and controls the cooling fan 5 to start to perform air cooling and cooling;
s2: the controller 9 controls the motor 11 to start, drives the paddle 10 to rotate, and drives the heat conduction liquid in the heat conduction loop pipe 7 to circulate;
s3: the heat receiving end of the third thermoelectric device 27 collects temperature signals in the heat conduction loop pipe 7, when the temperature difference between the heat receiving end of the third thermoelectric device 27 and the cold end of the third thermoelectric device 27 is larger than the power generation temperature difference, an electric signal is generated and sent to the controller 9, the controller 9 controls the electromagnet 21 to start, when the temperature difference between the heat receiving end of the third thermoelectric device 27 and the cold end of the third thermoelectric device 27 is smaller than the power generation temperature difference, the heat receiving end of the third thermoelectric device 27 continues to collect temperature, and the electromagnet 21 is not started;
s4: the controller 9 controls the electromagnet 21 to start, drives the movable iron core 22 to move forward, pushes the opening and closing stopper 31 to move through the pushing block 20, so that the heat conduction liquid in the heat conduction loop pipe 7 flows into the first water pipe 14, at the moment, the heat receiving end of the second thermoelectric device 12 starts to collect temperature signals in the heat conduction liquid, simultaneously, the movable iron core 22 moves forward to drive the adjusting poking piece 36 to move, controls the rotating speed gear adjusting switch 35 to send adjusting signals to the rotating speed adjuster 34 through the adjusting poking piece 36, and the rotating speed adjuster 34 controls the cooling fan 5 to adjust the rotating speed;
s5: the heat receiving end of the second thermoelectric device 12 collects temperature signals in the first water pipe 14, when the temperature difference between the heat receiving end of the second thermoelectric device 12 and the cold end of the second thermoelectric device 12 is larger than the power generation temperature difference, electric signals are generated and sent to the controller 9, the controller 9 controls the water pump 13 and the refrigerator 19 to be started, when the temperature difference between the heat receiving end of the second thermoelectric device 12 and the cold end of the second thermoelectric device 12 is smaller than the power generation temperature difference, the heat receiving end of the second thermoelectric device 12 continues to collect temperature, and the water pump 13 and the refrigerator 19 are not started;
s6: the controller 9 controls the water pump 13 and the refrigerator 19 to start, and drives the heat conduction liquid in the liquid storage tank 18 to circulate for water cooling;
s7: when the heat receiving end of the third thermoelectric device 27 collects a temperature signal in the heat conduction loop pipe 7 and the temperature difference between the heat receiving end of the third thermoelectric device 27 and the cold end of the third thermoelectric device 27 is smaller than the power generation temperature difference, the electromagnet 21 is turned off;
s8: the controller 9 controls the electromagnet 21 to be closed, the movable iron core 22 is driven by the first spring 24 to move backwards, the push block 20 is driven by the second spring 26 to move backwards, the opening and closing stop block 31 is driven to be matched with the first through groove 29 again, meanwhile, the heat receiving end of the second thermoelectric device 12 continues to collect temperature signals in the first water pipe 14, the temperature difference between the heat receiving end of the second thermoelectric device 12 and the cold end of the second thermoelectric device 12 is larger than the power generation temperature difference to generate electric signals, at the moment, the controller 9 will continue to control the water pump 13 and the refrigerator 19 to be started, pumped heat conducting liquid will push the opening and closing stop block 31 away, and water cooling heat dissipation with delayed closing is carried out;
s9: when the temperature difference between the heat receiving end of the second thermoelectric device 12 and the cold end of the second thermoelectric device 12 is smaller than the power generation temperature difference, the controller 9 controls the water pump 13 and the refrigerator 19 to be turned off;
s10: when the temperature difference between the heat receiving end of the second thermoelectric device 12 and the cold end of the second thermoelectric device 12 is smaller than the power generation temperature difference, the controller 9 controls the water pump 13 and the refrigerator 19 to be turned off;
s11: when the heat receiving end of the first thermoelectric device 8 collects a temperature signal in the heat conduction loop pipe 7 and the temperature difference between the heat receiving end of the first thermoelectric device 8 and the cold end of the first thermoelectric device 8 is smaller than the power generation temperature difference, the controller 9 controls the motor 11 to be turned off.
The working principle is as follows: when the chip 4 on the circuit board 3 needs to dissipate heat, the heat generated by the chip 4 is transferred into the heat transfer liquid in the heat conduction loop pipe 7, the heat generated by the chip 4 is cooled by air through the cooling fan 5, meanwhile, the first thermoelectric device 8 generates a first electric signal by utilizing the heat of the heat transfer liquid in the heat conduction loop pipe 7, the first electric signal is transferred to the controller 9, the starting of the motor 11 can be controlled, and the motor 11 drives the paddle 10 to rotate when being started, so that the heat transfer liquid is driven to perform internal circulation in the heat conduction loop pipe 7; when the third thermoelectric device 27 generates power by using heat of the heat transfer fluid in the heat transfer loop pipe 7, and when the generated power can activate the electromagnet 21, the electromagnet 21 activates to drive the movable iron core 22 to move forward, so as to push the push block 20 to move forward, so as to drive the opening/closing block 31 to slide through the slider 33, thereby opening the first through slot 29 on the sealing baffle 28, at this time, the heat transfer fluid in the heat transfer loop pipe 7 can enter the first water pipe 14 through the first through slot 29, the second thermoelectric device 12 in the first water pipe 14 generates a second electric signal by using heat of the heat transfer fluid, the second electric signal is transmitted to the controller 9, so as to control the start of the water pump 13 and the refrigerator 19, the start of the water pump 13 and the refrigerator 19 can control the heat transfer fluid to circulate outside the heat transfer loop pipe 7, the first water pipe 14 and the second water pipe 15, thereby achieving water-cooled heat dissipation, when the heat transfer fluid generated by the heat transfer fluid in the heat transfer loop pipe 7 of the third thermoelectric device 27 is insufficient to support the start of the electromagnet 21, the movable iron core 22 will be closed, the heat transfer fluid will move back, the second water-cooled heat transfer fluid will be continuously pumped, and the opening/closing block 31 will be continuously pushed, and the water-cooled stop 31 will be continuously, and the water-cooled will be started, and the water-cooled can be continuously pumped, and the water-cooled block 31 can be continuously pumped; at the same time, the moving iron core 22 moves forward or backward to drive the adjusting shifting piece 36 to move, and the rotating speed of the cooling fan 5 can be adjusted through the rotating speed adjuster 34 and the rotating speed gear adjusting switch 35.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is to be covered by the claims.
Claims (4)
1. A notebook computer heat dissipation device utilizing thermoelectricity comprises a notebook computer shell (1), wherein a heat dissipation port (2) is formed in the bottom of the notebook computer shell (1), a circuit board (3) is installed in the notebook computer shell (1), a chip (4) is arranged on the circuit board (3), a heat dissipation fan (5) is arranged above the heat dissipation port (2), and the notebook computer shell (1) is further provided with a battery (6), and is characterized in that a heat conduction loop pipe (7) is arranged above the chip (4), heat can be transferred between the heat conduction loop pipe (7) and the chip (4), heat conduction liquid is arranged in the heat conduction loop pipe (7), and heat can be transferred between the heat conduction loop pipe (7) and the heat dissipation fan (5);
a first thermoelectric device (8) is arranged on the heat conduction loop pipe (7), a heat receiving end of the first thermoelectric device (8) penetrates through the inner wall and the outer wall of the heat conduction loop pipe (7) and extends into the heat conduction liquid, a circulation assembly is arranged in the heat conduction loop pipe (7), the circulation assembly is electrically connected with the battery (6), a controller (9) is arranged in the notebook shell (1), a first signal input end of the controller (9) is electrically connected with a signal output end of the first thermoelectric device (8), and a first signal output end of the controller (9) is electrically connected with a signal input end of the circulation assembly;
the circulating assembly comprises a paddle (10) and a motor (11);
the motor (11) is arranged on the outer wall of the heat conduction loop pipe (7), a motor shaft of the motor (11) can rotatably penetrate through the inner wall and the outer wall of the heat conduction loop pipe (7) and extend into the heat conduction loop pipe (7), a paddle (10) is arranged on the motor shaft of the motor (11) in the heat conduction loop pipe (7), and the axial direction of the motor shaft of the motor (11) is parallel to the flowing direction of the heat conduction liquid;
the motor (11) is electrically connected with the battery (6), and a first signal output end of the controller (9) is electrically connected with a signal input end of the motor (11);
the heat dissipation device also comprises a water cooling component capable of carrying out water cooling heat dissipation on the notebook computer, wherein the water cooling component comprises a water cooling circulation module capable of carrying out water cooling heat dissipation on the notebook computer and an opening and closing module for controlling a liquid inlet of the water cooling circulation module to be communicated with the heat conduction loop pipe (7);
the liquid outlet of the water-cooling circulation module and the liquid inlet of the water-cooling circulation module are both communicated with a heat conduction loop pipe (7), and the opening and closing block of the opening and closing module is arranged at the position of the liquid inlet of the water-cooling circulation module;
the water-cooling circulation module comprises a second thermoelectric device (12), a first water pipe (14), a second water pipe (15), a first one-way check valve (16), a second one-way check valve (17), a liquid storage tank (18), a refrigerator (19) and a water pump (13);
the water inlet end of the first water pipe (14) is communicated with the interior of the heat conduction loop pipe (7), the water outlet end of the first water pipe (14) is communicated with the liquid storage tank (18), the water inlet end of the second water pipe (15) is communicated with the liquid storage tank (18), the water outlet end of the second water pipe (15) is communicated with the interior of the heat conduction loop pipe (7), the liquid storage tank (18) is arranged in the notebook shell (1), the first water pipe (14) is provided with a first one-way check valve (16), the second water pipe (15) is provided with a second one-way check valve (17), the second water pipe (15) between the second one-way check valve (17) and the liquid storage tank (18) is further provided with a water pump (13), the water pump (13) is electrically connected with the battery (6), and the water pump (13) is connected with the interior of the notebook shell (1);
the heat conduction liquid is arranged in the liquid storage tank (18), a refrigerator (19) is arranged in the liquid storage tank (18), and the refrigerator (19) is electrically connected with the battery (6);
the second thermoelectric device (12) is arranged below the first water pipe (14), a heat receiving end of the second thermoelectric device (12) penetrates through the inner wall and the outer wall of the first water pipe (14) and extends into the first water pipe (14), a signal output end of the second thermoelectric device (12) is electrically connected with a second signal input end of the controller (9), a second signal output end of the controller (9) is electrically connected with a signal input end of the water pump (13), and a third signal output end of the controller (9) is electrically connected with a signal input end of the refrigerator (19).
2. The heat dissipation device for the notebook computer using the thermoelectricity as claimed in claim 1, wherein the opening and closing module comprises a push block (20), an electromagnet (21), a movable iron core (22), a first mounting block (23), a first spring (24), a second mounting block (25), a second spring (26), a third thermoelectric device (27), a sealing baffle plate (28), a first through groove (29), a second through groove (30), an opening and closing baffle plate (31), a sliding groove (32) and a sliding block (33);
the third thermoelectric device (27) is arranged on the heat conduction loop pipe (7), a heat receiving end of the third thermoelectric device (27) positioned between the heat dissipation fan (5) and the chip (4) penetrates through the inner wall and the outer wall of the heat conduction loop pipe (7) and extends into the heat conduction liquid, the heat receiving end of the third thermoelectric device (27) is positioned behind the heat dissipation fan (5) in the flowing direction of the heat conduction liquid, an electromagnet (21) is arranged on the heat conduction loop pipe (7), the electromagnet (21) is electrically connected with the third thermoelectric device (27), a movable iron core (22) is slidably arranged in the electromagnet (21), the sliding direction of the movable iron core (22) is parallel to the flowing direction of the heat conduction liquid in the first water pipe (14), one end, far away from the first water pipe (14), of the movable iron core (22) is connected with a first spring (24), the other end of the first spring (24) is connected with a first mounting block (23), and the first mounting block (23) is arranged on the heat conduction loop pipe (7);
a sealing baffle plate (28) is arranged between a heat receiving end of a second thermoelectric device (12) in the first water pipe (14) and the heat conduction loop pipe (7), a first through groove (29) penetrating through the left side wall and the right side wall of the sealing baffle plate (28) is formed in the sealing baffle plate (28), an opening and closing stop block (31) is arranged in the first water pipe (14) in a sliding mode, the opening and closing stop block (31) is located between the second thermoelectric device (12) and the sealing baffle plate (28), and the opening and closing stop block (31) can be matched with the first through groove (29) to close a water inlet end of the first water pipe (14);
a sliding groove (32) is formed in the first water pipe (14) along the flowing direction of heat conduction liquid, a second through groove (30) penetrating through the inner wall and the outer wall of the first water pipe (14) is formed in the sliding groove (32), a sliding block (33) is arranged in the sliding groove (32) in a sealing and sliding mode, one end of the sliding block (33) extends out of the sliding groove (32) and is connected with an opening and closing stop block (31), a push block (20) is arranged in the second through groove (30), one end of the push block (20) is connected with the sliding block (33), the other end of the push block (20) extends out of the outer wall of the first water pipe (14), the extending section of the outer wall of the first water pipe (14) of the push block (20) is located on the sliding path of the movable iron core (22), the side wall, far away from the movable iron core (22), of the push block (20) is connected with a second spring (26), the other end of the second spring (26) is connected with a second mounting block (25), the second mounting block (25) is arranged on the first water pipe (14), and the axis direction of the second spring (26) is parallel to the sliding direction of the sliding groove (32);
the maximum sliding stroke of the sliding block (33) in the sliding groove (32) is a, the maximum displacement of the push block (20) in the second through groove (30) is b, a is greater than b, the distance between the left side wall of the push block (20) and the left side wall of the sliding block (33) is m, the distance between the right side wall of the push block (20) and the right side wall of the sliding block (33) is n, m is greater than b, and n is greater than b.
3. The notebook computer heat dissipation device utilizing thermoelectricity according to claim 2, wherein a rotating speed regulator (34) and a rotating speed gear regulating switch (35) are further arranged on the conduction loop pipe, a signal input end of the rotating speed regulator (34) is electrically connected with a signal output end of the rotating speed gear regulating switch (35), a signal output end of the rotating speed regulator (34) is electrically connected with the heat dissipation fan (5), an adjusting poke piece (36) is arranged on the rotating speed gear regulating switch (35), and one end of the adjusting poke piece (36) is connected with the movable iron core (22);
the maximum moving displacement of the movable iron core (22) is x, the maximum moving displacement of the adjusting poking piece (36) is y, and x is larger than y.
4. The method for using a thermoelectric heat sink for a notebook computer as claimed in claim 3, wherein: the method comprises the following steps:
s1: the temperature signal is collected in the heat conduction loop pipe (7) by the heat receiving end of the first thermoelectric device (8), when the temperature difference between the heat receiving end of the first thermoelectric device (8) and the cold end of the first thermoelectric device (8) is larger than the power generation temperature difference, an electric signal is generated and sent to the controller (9), the controller (9) controls the motor (11) to start, when the temperature difference between the heat receiving end of the first thermoelectric device (8) and the cold end of the first thermoelectric device (8) is smaller than the power generation temperature difference, the heat receiving end of the first thermoelectric device (8) continues to collect the temperature, and the cooling fan (5) is controlled to start to perform air-cooling heat dissipation while the notebook is started;
s2: the controller (9) controls the motor (11) to start, drives the paddle (10) to rotate, and drives the heat conduction liquid in the heat conduction loop pipe (7) to circulate;
s3: the heat receiving end of the third thermoelectric device (27) collects temperature signals in the heat conduction loop pipe (7), when the temperature difference between the heat receiving end of the third thermoelectric device (27) and the cold end of the third thermoelectric device (27) is larger than the power generation temperature difference, electric signals are generated and sent to the controller (9), the controller (9) controls the electromagnet (21) to be started, when the temperature difference between the heat receiving end of the third thermoelectric device (27) and the cold end of the third thermoelectric device (27) is smaller than the power generation temperature difference, the heat receiving end of the third thermoelectric device (27) continues to collect the temperature, and the electromagnet (21) is not started;
s4: the controller (9) controls the electromagnet (21) to start, drives the movable iron core (22) to move forwards, pushes the opening and closing stop block (31) to move through the push block (20), so that heat conduction liquid in the heat conduction loop pipe (7) flows into the first water pipe (14), at the moment, the heat receiving end of the second thermoelectric device (12) starts to collect temperature signals in the heat conduction liquid, meanwhile, the movable iron core (22) moves forwards to drive the adjusting shifting sheet (36) to move, the rotating speed gear adjusting switch (35) is controlled through the adjusting shifting sheet (36) to send adjusting signals to the rotating speed adjuster (34), and the rotating speed adjuster (34) controls the cooling fan (5) to adjust the rotating speed;
s5: the temperature signal is collected in the first water pipe (14) by the heat receiving end of the second thermoelectric device (12), when the temperature difference between the heat receiving end of the second thermoelectric device (12) and the cold end of the second thermoelectric device (12) is larger than the power generation temperature difference, an electric signal is generated and sent to the controller (9), the controller (9) controls the water pump (13) and the refrigerator (19) to be started, when the temperature difference between the heat receiving end of the second thermoelectric device (12) and the cold end of the second thermoelectric device (12) is smaller than the power generation temperature difference, the heat receiving end of the second thermoelectric device (12) continues to collect the temperature, and the water pump (13) and the refrigerator (19) cannot be started;
s6: the controller (9) controls the water pump (13) and the refrigerator (19) to start, and drives the heat transfer liquid in the liquid storage tank (18) to circulate for water cooling;
s7: when the heat receiving end of the third thermoelectric device (27) collects a temperature signal in the heat conduction loop pipe (7), and the temperature difference between the heat receiving end of the third thermoelectric device (27) and the cold end of the third thermoelectric device (27) is smaller than the power generation temperature difference, the electromagnet (21) is closed;
s8: the controller (9) controls the electromagnet (21) to be closed, the movable iron core (22) is driven by the first spring (24) to move backwards, the push block (20) is driven by the second spring (26) to move backwards to drive the opening and closing stop block (31) to be matched with the first through groove (29) again, meanwhile, the heat receiving end of the second thermoelectric device (12) continues to collect temperature signals in the first water pipe (14), the temperature difference between the heat receiving end of the second thermoelectric device (12) and the cold end of the second thermoelectric device (12) is larger than the power generation temperature difference to generate electric signals, at the moment, the controller (9) continues to control the water pump (13) and the refrigerator (19) to be started, pumped heat conduction liquid pushes the opening and closing stop block (31) away, and water cooling and heat dissipation with delayed closing are carried out;
s9: when the temperature difference between the heat receiving end of the second thermoelectric device (12) and the cold end of the second thermoelectric device (12) is smaller than the power generation temperature difference, the controller (9) controls the water pump (13) and the refrigerator (19) to be closed;
s10: when the temperature difference between the heat receiving end of the second thermoelectric device (12) and the cold end of the second thermoelectric device (12) is smaller than the power generation temperature difference, the controller (9) controls the water pump (13) and the refrigerator (19) to be closed;
s11: when the heat receiving end of the first thermoelectric device (8) collects a temperature signal in the heat conduction loop pipe (7), and the temperature difference between the heat receiving end of the first thermoelectric device (8) and the cold end of the first thermoelectric device (8) is smaller than the power generation temperature difference, the controller (9) controls the motor (11) to be closed.
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| CN204270226U (en) * | 2014-11-14 | 2015-04-15 | 浙江大学 | A kind of notebook PC radiator based on thermo-electric generation |
| CN205193719U (en) * | 2015-12-04 | 2016-04-27 | 赵帅 | Water cooling radiator |
| CN205384567U (en) * | 2016-01-05 | 2016-07-13 | 陈笑雨 | Built -in heat -dissipation device of notebook computer |
| CN206147495U (en) * | 2016-08-31 | 2017-05-03 | 安徽扬子职业技术学院 | Notebook embeds water cooling plant |
| CN206627899U (en) * | 2017-04-17 | 2017-11-10 | 四川城市职业学院 | Heat abstractor and notebook computer |
| CN208673257U (en) * | 2018-09-14 | 2019-03-29 | 郑州市金冠同利电子科技有限公司 | A kind of self cooled server |
| CN111782024A (en) * | 2020-08-21 | 2020-10-16 | 黄河水利职业技术学院 | Heat radiation structure for computer |
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