CN214256098U

CN214256098U - Switching power supply with overheat self-protection

Info

Publication number: CN214256098U
Application number: CN202022866289.9U
Authority: CN
Inventors: 王强生
Original assignee: W&t Electronics Co ltd
Current assignee: W&t Electronics Co ltd
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2021-09-21
Anticipated expiration: 2030-12-03

Abstract

The utility model discloses a switching power supply with overheated self-protection, which comprises a housing, chassis bottom fixed mounting has the water tank, one side fixed mounting of water tank has inlet tube and outlet pipe, the middle part fixed mounting valve of outlet pipe, the outer wall fixed mounting of casing has temperature sensor, temperature sensor's sensing end extends to the inside of casing, the inner wall fixed mounting of casing has the singlechip, the top fixed mounting of casing has the air-supply line, the air-supply line extends to the inside of casing, the inner wall fixed mounting of air-supply line has the bracing piece, the middle part fixed mounting of bracing piece has the motor, temperature sensor and motor all with singlechip electric connection, the drive end fixed mounting of motor has the bull stick. The utility model relates to a switching power supply technical field, simple structure, the practicality is strong, has solved the current partial switching power supply radiating effect not good and the higher resource-wasting problem of energy consumption.

Description

Switching power supply with overheat self-protection

Technical Field

The utility model relates to a switching power supply technical field especially relates to a switching power supply with overheated self-protection.

Background

A switching power supply, also called a switching power supply or a switching converter, is a high-frequency power conversion device, which is a power supply, and functions to convert a level voltage into a voltage or current required by a user terminal through different types of architectures.

When the switching power supply is used, a circuit board inside the switching power supply is easy to generate heat and damage due to long-time use, the existing part of the switching power supply has a poor heat dissipation effect although having a heat dissipation function, and the switching power supply has high energy consumption and wastes resources while dissipating heat.

To this end, we propose a switching power supply with overheat self-protection to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems existing in the prior art and providing a switching power supply with overheat self-protection.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a switching power supply with overheat self-protection comprises a casing, wherein a water tank is fixedly mounted at the bottom of the casing, a water inlet pipe and a water outlet pipe are fixedly mounted on one side of the water tank, a valve is fixedly mounted in the middle of the water outlet pipe, a temperature sensor is fixedly mounted on the outer wall of the casing, a sensing end of the temperature sensor extends into the casing, a single chip microcomputer is fixedly mounted on the inner wall of the casing, an air inlet pipe is fixedly mounted at the top of the casing and extends into the casing, a supporting rod is fixedly mounted on the inner wall of the air inlet pipe, a motor is fixedly mounted in the middle of the supporting rod, the temperature sensor and the motor are electrically connected with the single chip microcomputer, a rotating rod is fixedly mounted at the driving end of the motor, a fan head is fixedly mounted at one end of the rotating rod, which is far away from the motor, and a plurality of fan blades are fixedly mounted on the outer wall of the fan head, the improved water tank heat dissipation device is characterized in that ventilation grooves are formed in the two sides of the machine shell, a circuit board is fixedly mounted on the inner wall of the machine shell, a heat conduction plate is fixedly mounted at the bottom of the circuit board, a plurality of heat conduction fins are fixedly mounted at the bottom of the heat conduction plate, a cooling fin is fixedly mounted at one end, extending to the inside of the water tank, of each heat conduction fin, the bottom of each cooling fin is fixedly connected with the inner bottom wall of the water tank, and cold media are filled in the water tank.

Preferably, the material of water tank is the aluminum alloy, the thickness of water tank is 0.5 cm.

Preferably, the bottom of the water tank is fixedly provided with four support legs.

Preferably, one end of the water inlet pipe is in threaded connection with a sealing cover, and a finger groove is integrally formed in the sealing cover.

Preferably, the equal fixed mounting of inner wall in air-supply line and ventilation groove has the filter screen, the inner wall fixed mounting in ventilation groove has the dust guard.

Preferably, a sealing gasket is fixedly installed on the inner bottom wall of the casing, and the heat-conducting fin is fixedly connected with the sealing gasket.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the heat conducting plate transmits the heat on the circuit board to the refrigerant body through a plurality of heat conducting sheets, thereby realizing the water cooling heat dissipation function of the utility model, the heat radiating sheets and the cold medium transmit the heat on the heat conducting sheets to the water tank, further improving the heat dissipation effect of the utility model, the temperature sensor can sense the temperature and convert the heat into an available output signal, the singlechip controls the starting and braking of the motor after receiving the signal of the temperature sensor, the fan head rotates along with the driving end of the motor through the rotating rod to drive a plurality of fan blades, thereby realizing the air cooling heat dissipation function of the utility model, wherein, the air cooling function of the utility model can be opened or closed according to the temperature in the casing through the matching use of the temperature sensor, the singlechip and the motor, the energy consumption is reduced while the heat dissipation in the casing is ensured, the utility model is more environment-friendly and energy-saving, and the matching use of the above structures, carry out forced air cooling heat dissipation and water-cooling heat dissipation respectively to the top and the bottom of circuit board in the casing, and then promoted the utility model discloses a radiating effect effectively ensures the difficult thermal damage of circuit board in the casing.

2. Through setting up sealed lid, can guarantee the leakproofness of water tank and avoid the dust to get into its interior cold media of polluting, can avoid the inside refrigerant body of water tank to reveal simultaneously, indicate the groove to be convenient for rotatory sealed lid through setting up, promoted the utility model discloses a practicality.

Drawings

Fig. 1 is a schematic diagram of an overall structure of a switching power supply with overheat self-protection according to the present invention;

fig. 2 is a schematic cross-sectional view of a case of a switching power supply with overheat self-protection according to the present invention;

fig. 3 is an enlarged view of a structure at a in fig. 2.

In the figure: 1. a housing; 2. a water tank; 3. a support leg; 4. a water inlet pipe; 5. a sealing cover; 6. a water outlet pipe; 7. a valve; 8. a temperature sensor; 9. a single chip microcomputer; 10. an air inlet pipe; 11. filtering with a screen; 12. a support bar; 13. a motor; 14. a rotating rod; 15. a fan head; 16. a fan blade; 17. a ventilation slot; 18. a dust-proof plate; 19. a circuit board; 20. a heat conducting plate; 21. a heat conductive sheet; 22. a heat sink; 23. a gasket; 24. a cold medium.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

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, and are only for convenience of description and simplicity of 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 therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a switching power supply with overheat self-protection comprises a casing 1, a water tank 2 is fixedly installed at the bottom of the casing 1, a water inlet pipe 4 and a water outlet pipe 6 are fixedly installed at one side of the water tank 2, a valve 7 is fixedly installed in the middle of the water outlet pipe 6, a temperature sensor 8 is fixedly installed on the outer wall of the casing 1, the model of the temperature sensor 8 is PD100, the sensing end of the temperature sensor 8 extends into the casing 1, a single chip microcomputer 9 is fixedly installed on the inner wall of the casing 1, an air inlet pipe 10 is fixedly installed at the top of the casing 1, the air inlet pipe 10 extends into the casing 1, a support rod 12 is fixedly installed on the inner wall of the air inlet pipe 10, a motor 13 is fixedly installed in the middle of the support rod 12, the model of the motor 13 is HG-SR52J, the temperature sensor 8 and the motor 13 are both electrically connected with the single chip microcomputer 9, a rotating rod 14 is fixedly installed at the driving end of the motor 13, a fan head 15 is fixedly arranged at one end of the rotating rod 14 far away from the motor 13, a plurality of fan blades 16 are fixedly arranged on the outer wall of the fan head 15, ventilating grooves 17 are respectively arranged at two sides of the casing 1, a circuit board 19 is fixedly arranged on the inner wall of the casing 1, a heat conducting plate 20 is fixedly arranged at the bottom of the circuit board 19, a plurality of heat conducting plates 21 are fixedly arranged at the bottom of the heat conducting plate 20, a radiating fin 22 is fixedly arranged at one end of the heat conducting plate 21 extending to the inside of the water tank 2, the bottom of the radiating fin 22 is fixedly connected with the inner bottom wall of the water tank 2, a cold medium 24 is filled in the water tank 2, when in use, the heat conducting plate 20 transmits the heat on the circuit board 19 to the cold medium body 24 through the plurality of heat conducting plates 21, thereby realizing the water-cooling radiating function of the utility model, the heat radiating fin 22 and the cold medium body 24 transmit the heat on the heat conducting plate 21 to the water tank 2, further improving the radiating effect of the utility model, the temperature sensor 8 can sense the temperature and convert into an available output signal, the start-up and the braking of control motor 13 behind singlechip 9 received temperature sensor 8's signal, thereby fan head 15 rotates through the drive end that bull stick 14 followed motor 13 and drives a plurality of flabellums 16, and then realize the utility model discloses an air-cooled heat dissipation function, wherein use through temperature sensor 8, singlechip 9 and motor 13's cooperation, can open or close according to the temperature in casing 1 the utility model discloses an air-cooled function reduces the energy consumption when guaranteeing to radiating in casing 1, makes the utility model discloses comparatively environmental protection and energy saving uses with the cooperation of upper structure, carries out air-cooled heat dissipation and water-cooling heat dissipation respectively to the top and the bottom of circuit board 19 in casing 1, and then has promoted the utility model discloses a radiating effect effectively ensures circuit board 19 in casing 1 and is difficult for the damage of being heated.

Wherein, the material of water tank 2 is the aluminum alloy, and the thickness of water tank 2 is 0.5cm, and the aluminum alloy has advantages such as the heat conductivity is good, plasticity is many and the low price, through setting up to aluminum alloy's water tank 2, makes the utility model discloses a part metallics fuselage has better thermal diffusivity and good appearance quality.

Wherein, the bottom fixed mounting of water tank 2 has landing leg 3, and the quantity of landing leg 3 is four, through setting up landing leg 3, makes the lower surface of water tank 2 can keep the clearance, promotes water tank 2's radiating effect, is convenient for simultaneously the utility model discloses a position removes.

Wherein, the one end threaded connection of inlet tube 4 has sealed lid 5, and integrated into one piece has the finger groove on the sealed lid 5, through setting up sealed lid 5, can guarantee the leakproofness of water tank 2 and avoid the dust to get into and pollute cold media 24 in it, can avoid 2 inside refrigerant bodies 24 of water tank to reveal simultaneously, indicates the groove to be convenient for rotatory sealed lid 5 through setting up, has promoted the utility model discloses a practicality.

Wherein, the equal fixed mounting of inner wall of air-supply line 10 and ventilation groove 17 has filter screen 11, and the inner wall fixed mounting of ventilation groove 17 has dust guard 18, through setting up filter screen 11 under the circumstances that guarantees the interior air smoothness of casing 1, can directly filter the dust in the air, and filter screen 11 and dust guard 18's cooperation is used and has been ensured the internal environment of casing 1.

Wherein, the inner bottom wall of the casing 1 is fixedly provided with a sealing gasket 23, the heat conducting fin 21 is fixedly connected with the sealing gasket 23, and the sealing gasket 23 is arranged, so that the refrigerant body 24 in the water tank 2 is not easy to enter the casing 1, and the electrical elements in the casing 1 are not easy to be short-circuited.

The working principle is as follows: in the utility model, when in use, the heat conducting plate 20 transmits the heat on the circuit board 19 to the refrigerant body 24 through the plurality of heat conducting sheets 21, thereby realizing the water-cooling heat dissipation function of the utility model, the heat radiating fins 22 and the refrigerant body 24 transmit the heat on the heat conducting sheets 21 to the water tank 2, further improving the heat dissipation effect of the utility model, the temperature sensor 8 can sense the temperature and convert the sensed temperature into an available output signal, the singlechip 9 controls the starting and braking of the motor 13 after receiving the signal of the temperature sensor 8, the fan head 15 rotates along with the driving end of the motor 13 through the rotating rod 14 to drive the plurality of fan blades 16, thereby realizing the air-cooling heat dissipation function of the utility model, wherein, the air-cooling function of the utility model can be opened or closed according to the temperature in the casing 1 through the matching use of the temperature sensor 8, the singlechip 9 and the motor 13, thereby reducing the energy consumption while ensuring the heat dissipation in the casing 1, make the utility model discloses comparatively environmental protection and energy saving uses in the cooperation of above structure, carries out forced air cooling heat dissipation and water-cooling heat dissipation respectively to casing 1 internal circuit board 19's top and bottom, and then has promoted the utility model discloses a radiating effect effectively ensures the difficult damage of being heated of circuit board 19 in the casing 1.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a switching power supply with overheated self-protection, includes casing (1), its characterized in that, casing (1) bottom fixed mounting has water tank (2), one side fixed mounting of water tank (2) has inlet tube (4) and outlet pipe (6), middle part fixed mounting valve (7) of outlet pipe (6), the outer wall fixed mounting of casing (1) has temperature sensor (8), the sensing end of temperature sensor (8) extends to the inside of casing (1), the inner wall fixed mounting of casing (1) has singlechip (9), the top fixed mounting of casing (1) has air-supply line (10), air-supply line (10) extend to the inside of casing (1), the inner wall fixed mounting of air-supply line (10) has bracing piece (12), the middle part fixed mounting of bracing piece (12) has motor (13), the temperature sensor (8) and the motor (13) are both electrically connected with the singlechip (9), a rotating rod (14) is fixedly arranged at the driving end of the motor (13), a fan head (15) is fixedly arranged at one end of the rotating rod (14) far away from the motor (13), a plurality of fan blades (16) are fixedly arranged on the outer wall of the fan head (15), ventilating grooves (17) are formed in the two sides of the casing (1), a circuit board (19) is fixedly arranged on the inner wall of the casing (1), a heat conducting plate (20) is fixedly arranged at the bottom of the circuit board (19), the bottom of the heat conducting plate (20) is fixedly provided with a plurality of heat conducting fins (21), a radiating fin (22) is fixedly arranged at one end of the heat conducting fin (21) extending to the interior of the water tank (2), the bottom of the radiating fin (22) is fixedly connected with the inner bottom wall of the water tank (2), and a cold medium (24) is filled in the water tank (2).

2. The switching power supply with overheat self-protection as claimed in claim 1, wherein the material of the water tank (2) is aluminum alloy, and the thickness of the water tank (2) is 0.5 cm.

3. The switching power supply with the overheat self-protection function as claimed in claim 1, wherein the bottom of the water tank (2) is fixedly provided with legs (3), and the number of the legs (3) is four.

4. The switching power supply with overheat self-protection as claimed in claim 1, wherein a sealing cover (5) is screwed to one end of the water inlet pipe (4), and the sealing cover (5) is integrally formed with a finger groove.

5. The switching power supply with the overheat self-protection function according to claim 1, wherein the inner walls of the air inlet pipe (10) and the ventilation slot (17) are fixedly provided with a filter screen (11), and the inner wall of the ventilation slot (17) is fixedly provided with a dust guard (18).

6. The switching power supply with overheat self-protection as claimed in claim 1, wherein a gasket (23) is fixedly installed on the inner bottom wall of the case (1), and the heat conducting fin (21) is fixedly connected with the gasket (23).