CN212628492U

CN212628492U - LED driving power supply with over-temperature protection

Info

Publication number: CN212628492U
Application number: CN202020835648.1U
Authority: CN
Inventors: 宋刚
Original assignee: Zhuhai Mg Tefei Intelligent Control Technology Co ltd
Current assignee: Zhuhai Mg Tefei Intelligent Control Technology Co ltd
Priority date: 2020-05-19
Filing date: 2020-05-19
Publication date: 2021-02-26
Anticipated expiration: 2030-05-19

Abstract

The utility model discloses a LED drive power supply with excess temperature protection, which comprises a housin, the left side fixedly connected with LED drive power supply body at casing inner chamber top, the bottom fixedly connected with semiconductor refrigeration piece of LED drive power supply body, the bottom fixedly connected with heat conduction post of semiconductor refrigeration piece, the transparent water tank of bottom fixedly connected with of casing inner chamber. The utility model discloses a temperature sensor detects the temperature, when detecting the high temperature, can be with signal transmission to central processing unit, central processing unit can control the motor, semiconductor refrigeration piece and refrigerator work, the motor can drive the heat dissipation fan and rotate, can accelerate the air flow rate of casing inner chamber, thereby accelerate the radiating rate on LED drive power supply body surface, and the semiconductor refrigeration piece can be with the temperature transmission to the bottom of semiconductor refrigeration piece that LED drive power supply body produced, transmit the inner chamber of heat to transparent water tank, dispel the heat through cold water, make the heat dissipation quick.

Description

LED driving power supply with over-temperature protection

Technical Field

The utility model relates to a LED drive power supply technical field specifically is LED drive power supply with excess temperature protection.

Background

The LED driving power supply is a power supply converter which converts power supply into specific voltage and current to drive an LED to emit light, the input of the LED driving power supply comprises high-voltage power frequency alternating current, low-voltage direct current, high-voltage direct current, low-voltage high-frequency alternating current and the like under the common condition, the existing LED driving power supply can generate heat during working, a heat dissipation mechanism is lacked, and therefore the LED driving power supply is easy to damage, and therefore the LED driving power supply with over-temperature protection is provided.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a LED drive power supply with excess temperature protection possesses the advantage of excess temperature protection, has solved current LED drive power supply and can produce the heat at the during operation, and lack heat dissipation mechanism to cause the easy problem of damaging of LED drive power supply.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a LED drive power supply with excess temperature protection, includes the casing, the left side fixedly connected with LED drive power supply body at casing inner chamber top, the bottom fixedly connected with semiconductor refrigeration piece of LED drive power supply body, the bottom fixedly connected with heat conduction post of semiconductor refrigeration piece, the transparent water tank of bottom fixedly connected with of casing inner chamber, the inner chamber that transparent water tank and extended to transparent water tank is run through to the bottom of heat conduction post, the right side fixedly connected with refrigerator of transparent water tank inner chamber bottom, the right side fixedly connected with central processing unit at casing inner chamber top, the top of casing inner chamber is located central processing unit's left side fixedly connected with AD converter, the right side fixedly connected with temperature sensor of LED drive power supply body.

Preferably, a motor is fixedly connected to the middle shaft on the left side of the inner cavity of the shell, and a heat dissipation fan is fixedly connected to the output end of the motor.

Preferably, the air inlet is formed in the top of the left side of the shell and the bottom of the left side of the shell, the air outlet is formed in the top of the right side of the shell, and the dust screen is fixedly connected to the inner cavities of the air inlet and the air outlet.

Preferably, the input end of the A/D converter is unidirectionally and electrically connected with the output end of the temperature sensor, and the output end of the A/D converter is unidirectionally and electrically connected with the input end of the central processing unit.

Preferably, the right side intercommunication at transparent water tank top has the inlet tube, one side that transparent water tank was kept away from to the inlet tube runs through the casing and extends to the right side of casing, the left side intercommunication of transparent water tank bottom has the drain pipe, the bottom of drain pipe runs through the casing and extends to the bottom of casing.

(III) advantageous effects

Compared with the prior art, the utility model provides a LED drive power supply with excess temperature protection possesses following beneficial effect:

1. the utility model detects the temperature through the temperature sensor when the LED driving power supply body works, when the temperature is detected to be too high, the signal is transmitted to the A/D converter and is transmitted to the central processing unit after the conversion of the A/D converter, the central processing unit controls the motor, the semiconductor refrigeration sheet and the refrigerator to work, the motor drives the heat dissipation fan to rotate, the air flow rate of the inner cavity of the shell can be accelerated through the matching of the air inlet and the air outlet, thereby the heat dissipation speed of the surface of the LED driving power supply body is accelerated, and the semiconductor refrigeration sheet transmits the temperature generated by the LED driving power supply body to the bottom of the semiconductor sheet, then the heat is transmitted to the inner cavity of the transparent water tank through the matching of the heat conduction column, the heat dissipation is carried out through cold water, the heat dissipation is fast, and the LED driving power supply body is protected, the problem of current LED drive power supply can produce the heat at the during operation, and lack heat dissipation mechanism to cause LED drive power supply to damage easily is solved.

2. The utility model discloses a set up motor and heat dissipation fan, can accelerate the inside air flow rate of casing when the heat dissipation to accelerate the radiating rate, through setting up the AD converter, the signal that conveniently sends temperature sensor is converted, has avoided the unable received signal of central processing unit, thereby can't carry out the phenomenon of protection, through setting up the dust screen, has avoided in the air dust entering casing, thereby influences the heat dissipation.

Drawings

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

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

fig. 3 is a schematic view of the sectional structure of the transparent water tank of the present invention.

In the figure: 1. a housing; 2. an LED driving power supply body; 3. a semiconductor refrigeration sheet; 4. a transparent water tank; 5. a heat-conducting column; 6. a refrigerator; 7. a water inlet pipe; 8. a drain pipe; 9. a central processing unit; 10. an A/D converter; 11. a temperature sensor; 12. a motor; 13. a heat dissipation fan; 14. an air inlet; 15. and (7) air outlet.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", 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 simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses a casing 1, LED drive power supply body 2, semiconductor refrigeration piece 3, transparent water tank 4, heat conduction post 5, refrigerator 6, inlet tube 7, drain pipe 8, central processing unit 9, AD converter 10, temperature sensor 11, motor 12, heat dissipation fan 13, air intake 14 and air outlet 15 part are the general standard or the part that technical staff in the field knows, and its structure and principle all are that this technical staff all can learn through the technical manual or learn through conventional experimental method.

Referring to fig. 1-3, an LED driving power supply with over-temperature protection includes a housing 1, a motor 12 is fixedly connected to a central axis of a left side of an inner cavity of the housing 1, a heat dissipating fan 13 is fixedly connected to an output end of the motor 12, by arranging the motor 12 and the heat dissipating fan 13, an air flow rate inside the housing 1 can be increased during heat dissipation, thereby increasing a heat dissipation speed, an air inlet 14 is formed at a top of the left side and a bottom of the left side of the housing 1, an air outlet 15 is formed at a top of the right side of the housing 1, dust screens are fixedly connected to inner cavities of the air inlet 14 and the air outlet 15, by arranging the dust screens, dust in air is prevented from entering the housing 1, thereby affecting heat dissipation, an LED driving power supply body 2 is fixedly connected to the left side of the top of the inner cavity of the housing 1, a semiconductor cooling fin 3 is fixedly connected, the bottom of the inner cavity of the shell 1 is fixedly connected with a transparent water tank 4, the right side of the top of the transparent water tank 4 is communicated with a water inlet pipe 7, one side of the water inlet pipe 7, which is far away from the transparent water tank 4, penetrates through the shell 1 and extends to the right side of the shell 1, the left side of the bottom of the transparent water tank 4 is communicated with a water outlet pipe 8, the bottom of the water outlet pipe 8 penetrates through the shell 1 and extends to the bottom of the shell 1, the bottom of the heat conducting column 5 penetrates through the transparent water tank 4 and extends to the inner cavity of the transparent water tank 4, the right side of the bottom of the inner cavity of the transparent water tank 4 is fixedly connected with a refrigerator 6, the right side of the top of the inner cavity of the shell 1 is fixedly connected with a/D converter 10, the top of the inner cavity of the shell 1 is positioned at the left side of, through setting up AD converter 10, the signal that conveniently sends temperature sensor 11 converts, has avoided the unable received signal of central processing unit 9 to the phenomenon of unable protection, the right side fixedly connected with temperature sensor 11 of LED drive power supply body 2.

When the LED driving power supply is used, when the LED driving power supply body 2 works, the temperature sensor 11 detects the temperature, when the detected temperature is too high, a signal is transmitted to the A/D converter 10, the signal is transmitted to the central processing unit 9 after being converted by the A/D converter 10, the central processing unit 9 controls the motor 12, the semiconductor refrigerating sheet 3 and the refrigerator 6 to work, the motor 12 drives the heat dissipation fan 13 to rotate, the air flow rate of the inner cavity of the shell 1 can be increased through the matching of the air inlet 14 and the air outlet 15, so that the heat dissipation speed of the surface of the LED driving power supply body 2 is increased, the semiconductor refrigerating sheet 3 transmits the temperature generated by the LED driving power supply body 2 to the bottom of the semiconductor refrigerating sheet 3, the heat is transmitted to the inner cavity of the transparent water tank 4 through the matching of the heat conduction column 5, the heat dissipation is performed through cold water, so that the heat dissipation, the LED driving power supply body 2 is protected, and the problems that an existing LED driving power supply can generate heat when working and lacks a heat dissipation mechanism, and therefore the LED driving power supply is easy to damage are solved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An LED drive power supply with excess temperature protection, includes casing (1), its characterized in that: the left side of the top of the inner cavity of the shell (1) is fixedly connected with an LED driving power supply body (2), the bottom of the LED driving power supply body (2) is fixedly connected with a semiconductor refrigerating sheet (3), the bottom of the semiconductor refrigerating sheet (3) is fixedly connected with a heat-conducting column (5), the bottom of the inner cavity of the shell (1) is fixedly connected with a transparent water tank (4), the bottom of the heat conducting column (5) penetrates through the transparent water tank (4) and extends to the inner cavity of the transparent water tank (4), a refrigerator (6) is fixedly connected to the right side of the bottom of the inner cavity of the transparent water tank (4), the right side of the top of the inner cavity of the shell (1) is fixedly connected with a central processing unit (9), an A/D converter (10) is fixedly connected with the top of the inner cavity of the shell (1) and positioned at the left side of the central processor (9), the right side of the LED driving power supply body (2) is fixedly connected with a temperature sensor (11).

2. The LED driving power supply with over-temperature protection as claimed in claim 1, wherein: the motor (12) is fixedly connected to the middle shaft on the left side of the inner cavity of the shell (1), and the heat dissipation fan (13) is fixedly connected to the output end of the motor (12).

3. The LED driving power supply with over-temperature protection as claimed in claim 1, wherein: air intake (14) have all been seted up with left bottom to the left top of casing (1), air outlet (15) have been seted up to the top on casing (1) right side, the equal fixedly connected with dust screen of inner chamber of air intake (14) and air outlet (15).

4. The LED driving power supply with over-temperature protection as claimed in claim 1, wherein: the input end of the A/D converter (10) is unidirectionally and electrically connected with the output end of the temperature sensor (11), and the output end of the A/D converter (10) is unidirectionally and electrically connected with the input end of the central processing unit (9).

5. The LED driving power supply with over-temperature protection as claimed in claim 1, wherein: the right side intercommunication at transparent water tank (4) top has inlet tube (7), one side that transparent water tank (4) were kept away from in inlet tube (7) runs through casing (1) and extends to the right side of casing (1), the left side intercommunication of transparent water tank (4) bottom has drain pipe (8), the bottom of drain pipe (8) runs through casing (1) and extends to the bottom of casing (1).