CN216286530U

CN216286530U - Heat radiator for computer power

Info

Publication number: CN216286530U
Application number: CN202123166229.7U
Authority: CN
Inventors: 张彩芬
Original assignee: Individual
Current assignee: Wang Qunzhi
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-04-12
Anticipated expiration: 2031-12-16

Abstract

The utility model discloses a heat dissipating device of a computer power supply, which relates to the field of power supply heat dissipation and aims to solve the problems of poor heat dissipating effect, easy external impurities entering, insufficient practicability and the like in the prior art, adopts the technical scheme that the heat dissipating device comprises an outer heat conducting ring, an inner heat conducting ring and a semicircular notch, wherein the cross section of the outer heat conducting ring and the cross section of the inner heat conducting ring are C-shaped, heat can be conducted, air inside the heat dissipating device is easy to circulate, heat conducting fins and fins are arranged on the outer heat conducting ring and the inner heat conducting ring, heat conducting silicone grease is coated on the fins, the contact area with air is increased, the heat dissipating efficiency is improved, the heat dissipating effect is better, impurities in the air are not easy to enter by arranging an air filter element and a slit on a heat dissipating shell, the internal hot air is easy to be discharged by arranging an exhaust pipeline, an air inlet pipe orifice, a heat collecting water pipe, a heat dissipating fin and a circulating water pump, the temperature of the exhaust pipeline is reduced, the internal of the heat dissipating shell is realized, the practicability is increased.

Description

Heat radiator for computer power

Technical Field

The utility model relates to the field of power supply heat dissipation, in particular to a heat dissipation device of a computer power supply.

Background

The computer belongs to weak current products, that is to say, the working voltage of the components is lower, generally within plus-minus 12 volts, and is direct current, and the common commercial power is 220 volts (110 volts in some countries) alternating current, and can not be directly used on the computer components, so the computer needs a power supply part like many household appliances, is responsible for converting the common commercial power into the voltage which can be used by the computer, and is generally installed in the computer. The core components of the computer operate at very low voltages, and because the operating frequency of the computer is very high, therefore, the requirement on the power supply is higher, the power supply of the computer is a switching circuit, common alternating current is converted into direct current, then the voltage is controlled by chopping, different voltages are respectively output to computer components such as a mainboard, a hard disk, an optical drive and the like, the safety standard pays attention to the temperature requirement of the electric appliance, and meanwhile, the material is required to have flame retardance, for a switching power supply, the internal temperature rise should not exceed 65 ℃, if the environmental temperature is 25 ℃, the temperature of components of the power supply should be less than 90 ℃, and the power supply which does not meet the safety standard has no direct adverse effect on a user when the power supply is used at the beginning, but after the power supply is used for a long time, the influence of moist air and dust may cause short-circuiting of the high-voltage region, which not only causes damage to the power supply itself, but also causes injury to the personal safety of the user.

The problems of poor heat dissipation effect, easy introduction of external impurities, insufficient practicability and the like exist in the prior art.

SUMMERY OF THE UTILITY MODEL

In view of the problems of poor heat dissipation effect, easy access of external impurities, insufficient practicability and the like of a computer power supply in the prior art, the utility model discloses a heat dissipation device of the computer power supply, which can conduct heat and facilitate circulation of air inside the heat dissipation device, so that the internal environment can be kept clean.

The heat dissipation device comprises a third fan and a protection frame, wherein a protection net is arranged on the side surface of the third fan, a microprocessor is contained in the protection net, the heat dissipation device adopts the technical scheme that the heat dissipation device comprises a heat dissipation shell, the heat dissipation shell is used for supporting and protecting an internal power supply to be installed, a heat conduction piece is arranged at the bottom of the heat dissipation shell and comprises an outer heat conduction ring and an inner heat conduction ring, the cross sections of the outer heat conduction ring and the inner heat conduction ring are both C-shaped, the heat conduction is used for conducting heat and preventing internal air from being difficult to circulate, the inner heat conduction ring is arranged in the outer heat conduction ring and movably connected with the outer heat conduction ring, the heat conduction ring is convenient to disassemble and install, the heat conduction piece is also plate-shaped and is arranged on the inner side of the inner heat conduction ring and the outer side of the outer heat conduction ring, the heat conduction ring is used for enhancing heat conduction, the ventilation ring and the first fan is a round platform shell with the left end and the right end open and used as a ventilation channel, the heat dissipation shell comprises a heat dissipation shell, a first fan, a second fan and a heat collection water pipe, wherein the heat dissipation shell is arranged on the heat dissipation shell, the first fan is arranged on the left side wall of the heat dissipation shell, the first fan is used for forming internal and external pressure difference to enable air in the heat dissipation shell to be discharged, the heat collection water pipe is arranged on the hot air outlet and used for discharging the hot air, one end of the heat collection water pipe is arranged in the air exhaust pipe and used for cooling the hot air in the air exhaust pipe, and a circulating water pump is arranged on the heat collection water pipe, The cooling fin, circulating water pump provides the power of water, the cooling fin makes water can cool down, still includes temperature sensor, temperature sensor establishes on the bottom surface under the heat dissipation shell, first fan, the second fan, the third fan, circulating water pump all is connected with microprocessor.

As a preferable technical scheme of the utility model, an air filter element is arranged on the inner side of the protective net and is used for preventing external air impurities from entering.

As a preferred technical scheme of the utility model, the third fan blade is provided with a V-shaped groove which has the function of increasing the contact area of the fan blade and air and accelerating heat dissipation.

As a preferred technical scheme of the utility model, a plurality of slits are symmetrically arranged on the left and right of the upper top surface of the heat dissipation shell, and the slits have the functions of enabling air to enter and blocking larger particle impurities from entering.

As a preferable technical scheme of the utility model, the bottom parts of the outer-layer heat-conducting ring and the inner-layer heat-conducting ring are respectively provided with a semicircular notch, and the positions of the semicircular notches correspond to each other, so that airflow can easily penetrate through the heat-conducting rings to accelerate heat dissipation.

As a preferred technical scheme of the utility model, the fins are symmetrically arranged on two sides of the heat conducting fin, so that the contact area with air is further increased, and the fins are coated with heat conducting silicone grease, so that the heat dissipation effect is improved.

As a preferred technical scheme of the utility model, the exhaust duct is provided with a plurality of obliquely arranged air inlet pipe orifices communicated with the exhaust duct, and the function of the exhaust duct is to enable more hot air to enter the exhaust duct.

The utility model has the beneficial effects that: the heat-radiating shell is provided with the outer heat-conducting ring and the inner heat-conducting ring which are C-shaped in cross section, and the semicircular notches are arranged, so that heat can be conducted, the air in the heat-radiating shell is easy to circulate, the heat-conducting fins and the fins are arranged on the outer heat-conducting ring and the inner heat-conducting ring, and heat-conducting silicone grease is coated on the fins, so that the contact area with the air is increased, the heat-radiating efficiency is improved, the heat-radiating effect is better, impurities in the air are not easy to enter by arranging the air filter element and the slits on the heat-radiating shell, the internal hot air is easy to be discharged by arranging the air exhaust pipeline, the air inlet pipe orifice, the heat-collecting water pipe, the radiating fins and the circulating water pump, the hot air in the air exhaust pipeline can be cooled by circulating water in the heat-collecting water pipe, the temperature of the air exhaust pipeline is further reduced, the effect of cooling the interior of the heat-radiating shell is achieved, and the practicability is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic front view of the present invention;

FIG. 4 is a schematic view of a heat-conducting member according to the present invention;

FIG. 5 is a schematic structural view of an outer heat-conducting ring and an inner heat-conducting ring according to the present invention.

In the figure: 1. a heat dissipation housing; 2. a third fan; 3. a slit; 4. a V-shaped groove; 5. a protective frame; 6. a first fan; 7. a ventilation ring; 8. an exhaust duct; 9. a heat conductive member; 10. an air inlet pipe orifice; 11. a hot air outlet; 12. a second fan; 13. a heat sink; 14. a water circulating pump; 15. a heat collecting water pipe; 16. an air filter element; 17. a protective net; 18. an outer layer heat-conducting ring; 19. an inner layer heat conduction ring; 20. a heat conductive sheet; 21. a fin; 22. a semicircular notch; 23. a temperature sensor.

Detailed Description

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example 1

As shown in fig. 1 to 5, the utility model discloses a heat dissipation device for a computer power supply, comprising a third fan 2, a protection frame 5, a protection net 17 arranged on the side surface thereof, and a microprocessor, wherein the heat dissipation device adopts the technical scheme that the heat dissipation device comprises a heat dissipation shell 1, a heat conduction member 9 is arranged at the bottom of the heat dissipation shell 1, heat is transferred to the heat conduction member 9 for heat dissipation, the heat conduction member 9 comprises an outer heat conduction ring 18 and an inner heat conduction ring 19, the cross sections of the outer heat conduction ring 18 and the inner heat conduction ring 19 are both C-shaped, the inner heat conduction ring 19 is arranged in the outer heat conduction ring 18 and movably connected with the outer heat conduction ring 18, the heat conduction ring 20 is a plate-shaped heat conduction sheet 20, the heat conduction sheet 20 is arranged on the inner side of the inner heat conduction ring 19 and the outer side of the outer heat conduction ring 18, the heat conduction ring 7 further comprises a ventilation ring 7 and a first fan 6, the ventilation ring 7 is a circular truncated cone shell with the left end and the right end open, the ventilation ring 7 is arranged on the side wall of the heat dissipation shell 1, one side with large diameter faces outwards, the first fan 6 is arranged on the left side wall of the heat dissipation shell 1, the first fan 6 is started, the left side and the right side of the ventilation ring 7 generate air pressure difference, hot air in the heat dissipation shell 1 is discharged to the outside from the ventilation ring 7, the ventilation and heat dissipation effects are achieved, the air-conditioning fan further comprises an exhaust pipeline 8, the exhaust pipeline 8 is arranged on the bottom surface of the heat dissipation shell 1, one end of the exhaust pipeline 8 is opened, the other end of the exhaust pipeline 8 penetrates out of the heat dissipation shell 1 to be connected with a hot air outlet 11, the air-conditioning fan further comprises a second fan 12, the second fan 12 is arranged on the hot air outlet 11 and further comprises a heat collecting water pipe 15, one end of the heat collecting water pipe 15 is arranged in the exhaust pipeline 8, a circulating water pump 14 and a cooling fin 13 are arranged on the heat collecting water pipe 15, the second fan is started, and hot air enters the exhaust pipeline 8 from a plurality of air inlet pipes 10 arranged on the exhaust pipeline 8, the heat-collecting water pipe 15 is discharged from a hot air outlet 11, heat of hot air in the exhaust pipeline 8 is transferred to heat water in the heat-collecting water pipe, the water after being heated is cooled by the cooling fins 13 and then enters the heat-dissipating shell 1 through the circulating water pump 14, the heat-dissipating shell further comprises a temperature sensor 23, the temperature sensor 23 is arranged on the lower bottom surface of the heat-dissipating shell 1 and receives temperature signals in the heat-dissipating shell, and the first fan 6, the second fan 12, the third fan 2 and the circulating water pump 14 are connected with the microprocessor.

As a preferred technical scheme of the present invention, an air filter 16 is disposed inside the protective screen 17, and external air enters the heat dissipation housing 1 to cool the power supply after impurities are filtered by the air filter 16.

As a preferred technical solution of the present invention, the third fan 2 is provided with V-shaped grooves 4 on the blades, which can increase the contact area between the blades and air, and accelerate heat dissipation.

As a preferred technical scheme of the present invention, a plurality of slits 3 are symmetrically formed on the top surface of the heat dissipation housing 1, and external air can enter the heat dissipation housing 1 through the slits 3, so that external impurities are not easy to enter the heat dissipation housing.

As a preferred technical solution of the present invention, the bottom portions of the outer layer heat conduction ring 18 and the inner layer heat conduction ring 19 are both provided with semicircular notches 22 at corresponding positions, so that air flow can pass through the semicircular notches 22 conveniently, and hot air inside the outer layer heat conduction ring 18 and the inner layer heat conduction ring 19 can circulate faster.

As a preferable technical solution of the present invention, fins 21 are symmetrically disposed on both sides of the heat conducting fin 20, heat is transferred from the outer layer heat conducting ring 18 and the inner layer heat conducting ring 19 to the heat conducting fin 20 and the fins 21, a contact area with air is increased for heat dissipation, and the fins 21 are coated with heat conducting silicone grease, so as to improve heat dissipation efficiency.

As a preferred technical scheme of the utility model, the exhaust duct 8 is provided with a plurality of inclined air inlet pipe orifices 10 communicated with the exhaust duct, and the second fan is started, so that hot air enters the exhaust duct 8 from the plurality of air inlet pipe orifices 10.

The working principle of the utility model is as follows: firstly, when the temperature sensor 23 receives a temperature signal and reaches a specified value, the microprocessor controls the third fan 2 on the protective frame 5 to start, the air is exhausted outwards to dissipate heat, the outside air passes through the protective net 17, impurities are filtered by the air filter element 16 and then enter the heat dissipation shell 1 to cool the power supply, the heat conducting piece 9 arranged in the heat dissipation shell 1 comprises an outer heat conducting ring 18 and an inner heat conducting ring 19 which are C-shaped in cross section, the airflow is convenient to pass through the semicircular gap 22 to dissipate heat, the heat is transferred to the heat conducting fins 20 and the fins 21 from the outer heat conducting ring 18 and the inner heat conducting ring 19 to increase the contact area with the air to dissipate heat, the second fan is started, the hot air enters the exhaust duct 8 from the plurality of air inlet pipe orifices 10 arranged on the exhaust duct 8 and is exhausted from the hot air outlet 11, and the heat collecting water pipe 15 is subjected to the heat transfer by the hot air in the exhaust duct 8, the temperature of water in the heat dissipation shell 1 is raised, the raised water is cooled by the cooling fins 13 and then enters the heat dissipation shell 1 through the circulating water pump 14, the first fan 6 is started, air pressure difference is generated on the left side and the right side of the ventilation ring 7, hot air in the heat dissipation shell 1 is discharged to the outside from the ventilation ring 7, the effect of ventilation and heat dissipation is achieved, the contact area between the hot air and the air can be increased through the V-shaped grooves in the third fan 2, heat dissipation is accelerated, the slits 3 can achieve the effect of auxiliary air intake, and external impurities can enter the heat dissipation shell 1 as few as possible.

The mechanical and electrical connections involved in the present invention are conventional means employed by those skilled in the art, and may be suggested by limited experimentation, and are within the ordinary knowledge.

The microprocessor adopts an STM32 chip to start and stop a motor, and the technical advices can be obtained by those skilled in the art by referring to textbooks or technical manuals published by manufacturers by the pins and the connection mode of the STM 32.

Components not described in detail herein are prior art.

Although the present invention has been described in detail with reference to the specific embodiments, the present invention is not limited to the above embodiments, and various changes and modifications without inventive changes may be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.

Claims

1. The utility model provides a heat abstractor of computer power, includes third fan (2), protection frame (5), and its side is equipped with protection network (17), wherein contains microprocessor, its characterized in that: the heat dissipation device comprises a heat dissipation shell (1), wherein a heat conducting piece (9) is arranged at the bottom of the heat dissipation shell (1), the heat conducting piece (9) comprises an outer heat conducting ring (18) and an inner heat conducting ring (19), the cross sections of the outer heat conducting ring (18) and the inner heat conducting ring (19) are both C-shaped, the inner heat conducting ring (19) is arranged in the outer heat conducting ring (18) and movably connected with the outer heat conducting ring and the inner heat conducting ring, the heat conducting piece (20) is a plate-shaped, is arranged on the inner side of the inner heat conducting ring (19) and the outer side of the outer heat conducting ring (18), the heat dissipation device further comprises a ventilation ring (7) and a first fan (6), the ventilation ring (7) is a circular truncated cone shell with the left end and the right end open, the ventilation ring (7) is arranged on the side wall of the heat dissipation shell (1), one side with the large diameter faces outwards, and the first fan (6) is arranged on the left side wall of the heat dissipation shell (1), also comprises an exhaust duct (8), the exhaust duct (8) is arranged on the bottom surface of the heat dissipation shell (1), one end of the exhaust duct (8) is open, the other end penetrates through the heat dissipation shell (1) to be connected with a hot air outlet (11), the exhaust duct also comprises a second fan (12), the second fan (12) is arranged on the hot air outlet (11) and also comprises a heat collecting water pipe (15), one end of the heat collecting water pipe (15) is arranged in the exhaust duct (8), the heat collecting water pipe (15) is provided with a circulating water pump (14), a radiating fin (13) and a temperature sensor (23), the temperature sensor (23) is arranged on the lower bottom surface of the heat dissipation shell (1), the first fan (6), the second fan (12), the third fan (2) and the circulating water pump (14) are all connected with a microprocessor.

2. The heat dissipating device for a computer power supply according to claim 1, wherein: an air filter element (16) is arranged on the inner side of the protective net (17).

3. The heat dissipating device for a computer power supply according to claim 1, wherein: and V-shaped grooves (4) are formed in the fan blades of the third fan (2).

4. The heat dissipating device for a computer power supply according to claim 1, wherein: the top surface bilateral symmetry is provided with a plurality of slits (3) on heat dissipation shell (1).

5. The heat dissipating device for a computer power supply according to claim 1, wherein: the bottoms of the outer heat-conducting ring (18) and the inner heat-conducting ring (19) are provided with semicircular notches (22) and the positions of the notches correspond to each other.

6. The heat dissipating device for a computer power supply according to claim 1, wherein: fins (21) are symmetrically arranged on two sides of the heat conducting fin (20), and heat conducting silicone grease is coated on the fins (21).

7. The heat dissipating device for a computer power supply according to claim 1, wherein: the exhaust duct (8) is provided with a plurality of obliquely arranged air inlet pipe orifices (10) communicated with the exhaust duct.