LED driving power supply with temperature compensation function

Abstract

The utility model relates to the technical field of LED driving power supplies, and particularly discloses an LED driving power supply with a temperature compensation function, the temperature emitted by a power supply mainboard can be accumulated due to non-circulation of air in a shell, a 51 single-chip microcomputer is integrated in a temperature control board, the temperature can be set according to load requirements, and the temperature compensation function is realized. When a temperature sensor at the bottom end detects that the internal temperature of the shell is too high, a signal is sent to an electromagnet and a motor for starting, the electromagnet is started to generate magnetic force to attract a push plate, when the push plate is attracted to the electromagnet, an air inlet in the side end of the shell is opened, and the motor rotates fan blades to drive air circulation of the internal shell. When the temperature in the shell is too low, the electromagnet and the motor will be turned off, the power supply main board is not cooled, the temperature of the power supply main board is increased, temperature compensation of the power supply main board is completed by controlling air flow in the shell, and the effects of prolonging the service life of an LED and improving the stability of the LED are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of LED driving power supplies, in particular to an LED driving power supply with a temperature compensation function. Background Art

[0002] Electronic components usually have a certain temperature coefficient, and their output signals will drift with temperature changes, which is called "temperature drift". In order to reduce temperature drift, some compensation measures are used to offset or reduce the temperature drift of their output to a certain extent. This is temperature compensation.

[0003] Existing Chinese patent: A LED driving power supply, patent number: CN209472866U, including a shell and a driving circuit arranged inside the shell, characterized in that: the shell has a wiring slot and a cover plate connected thereto, the wiring slot is connected to the inside of the shell, and the wiring terminals in the driving circuit are located in the wiring slot; the two opposite inner side walls of the wiring slot each have a plurality of horizontally extending and vertically arranged clip strips 1, the two opposite side walls of the cover plate each have a connecting wall perpendicular to the cover plate, the outer side of the connecting wall has a groove, the groove has a plurality of horizontally extending and vertically arranged clip strips 2, when the cover plate is covered on the wiring slot, the clip strips 1 and 2 are locked with a buckle. The utility model can facilitate the installation of the cover body on the wiring port.

[0004] However, during the implementation of the above technical solution, it was found that at least the following technical problems exist: the output signal of the existing driving power supply will drift with temperature changes, affecting the service life and stability of the LED. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies of the prior art, the utility model provides an LED driving power supply with a temperature compensation function, which solves the technical problem that the output signal of the existing driving power supply drifts with temperature changes, affecting the service life and stability of the LED.

[0007] (II) Technical solution

[0008] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0009] An LED driving power supply with a temperature compensation function comprises a shell, an air inlet is provided at a side end of the shell, a push plate is slidably mounted at the side end of the air inlet, an electromagnet is fixedly mounted inside the shell; a magnet is mounted in the middle of the push plate and corresponds to the electromagnet, springs are fixedly mounted at the four corners of the push plate, an exhaust port is provided at the side end of the shell, a temperature control board is fixedly mounted inside the shell, a temperature sensor is fixedly mounted at the bottom end of the temperature control board; the temperature control board is connected to the electromagnet through a wire, a motor is fixedly mounted inside the shell, a fan blade is fixedly mounted at the side end of the motor; the motor is connected to the temperature control board through a wire.

[0010] Preferably: a power supply mainboard is fixedly installed inside the housing; the power supply mainboard is connected to the temperature control board through a wire.

[0011] Preferably: dustproof nets are fixedly installed on both sides of the housing.

[0012] (III) Beneficial effects

[0013] 1. During use, the temperature emitted by the power supply mainboard will accumulate due to the lack of air circulation inside the shell. The temperature control board is integrated with a 51 single-chip microcomputer, which can set the temperature according to load requirements. When the temperature sensor at the bottom detects that the temperature inside the shell is too high, it will send a signal to the electromagnet and the motor to start. The electromagnet will generate magnetic force to adsorb the push plate when it is started. When the push plate is adsorbed to the electromagnet, the air inlet at the side of the shell will be opened, and the rotating fan blades of the motor will drive the air circulation inside the shell. When the temperature inside the shell is too low, the electromagnet and the motor will be turned off, and the power supply mainboard will no longer be cooled, causing its temperature to rise. By controlling the air flow inside the shell, the temperature compensation of the power supply mainboard is completed, thereby achieving the effect of improving the service life and stability of the LED.

[0014] 2. When the air enters the shell, the impurities in the air will be filtered by the dustproof net outside the shell to prevent external dust and other pollutants from corroding the internal circuit. The temperature control board is integrated with a single-chip microcomputer and buttons. LEDs of different powers have different temperature requirements. Therefore, the temperature range inside the shell is set according to demand, which increases practicality and prolongs service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the utility model in conjunction with the accompanying drawings.

[0016] Figure 1 This is a structural diagram of the housing of the utility model;

[0017] Figure 2 This is a cross-sectional structural diagram of the shell of the utility model;

[0018] Figure 3 This is a structural diagram of the electromagnet of the utility model;

[0019] Figure 4 This is a structural diagram of the motor of the utility model;

[0020] Figure 5 This is a structural diagram of the dustproof net of the utility model;

[0021] Figure 6 This is a structural diagram of the push plate of the utility model.

[0022] Legend: 1. Casing; 2. Temperature control board; 3. Exhaust port; 4. Air inlet; 5. Dust screen; 6. Push plate; 7. Electromagnet; 8. Spring; 9. Temperature sensor; 11. Power supply board; 12. Motor; 13. Fan blades. DETAILED DESCRIPTION

[0023] The embodiment of the present application provides an LED driving power supply with a temperature compensation function, which effectively solves the technical problem that the output signal of the existing driving power supply will drift with the temperature change, affecting the service life and stability of the LED. During use, the temperature emitted by the power supply mainboard will accumulate due to the lack of air circulation inside the shell. The temperature control board is integrated with a 51 single-chip microcomputer, and the temperature can be set according to the load demand. When the temperature sensor at the bottom detects that the temperature inside the shell is too high, it will send a signal to the electromagnet and the motor to start. The electromagnet will generate magnetic force to adsorb the push plate when it is started. When the push plate is adsorbed to the electromagnet, the air inlet at the side of the shell will be opened, and the motor will rotate the fan. The leaves drive the air circulation inside the shell. When the temperature inside the shell is too low, the electromagnet and motor will be turned off, and the heat of the power supply mainboard will no longer be dissipated, causing its temperature to rise. By controlling the air flow inside the shell, the temperature compensation of the power supply mainboard is completed, thereby achieving the effect of increasing the service life and stability of the LED. In the process of air entering the shell, impurities in the air will be filtered out by the dustproof net on the outside of the shell to prevent external dust and other pollutants from corroding the internal circuit. The temperature control board is integrated with a single-chip microcomputer and buttons. LEDs of different powers have different temperature requirements. Therefore, the temperature range inside the shell is set according to demand, thereby achieving the effect of increasing practicality and extending service life.

[0024] Example

[0025] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6As shown, the technical solution in the embodiment of the present application effectively solves the technical problem that the output signal of the existing driving power supply drifts with temperature changes, affecting the service life and stability of the LED. The overall idea is as follows:

[0026] In view of the problems existing in the prior art, the utility model provides an LED driving power supply with a temperature compensation function, comprising a shell 1, a side end of the shell 1 is provided with an air inlet 4, a push plate 6 is slidably installed on the side end of the air inlet 4, and an electromagnet 7 is fixedly installed inside the shell 1; a magnet is installed in the middle of the push plate 6 corresponding to the electromagnet 7.

[0027] Springs 8 are fixedly installed at the four corners of the push plate 6, an exhaust port 3 is opened at the side end of the shell 1, a temperature control board 2 is fixedly installed inside the shell 1, and a temperature sensor 9 is fixedly installed at the bottom end of the temperature control board 2; the temperature control board 2 is connected to the electromagnet 7 through a wire.

[0028] A motor 12 is fixedly installed inside the outer shell 1, and a fan blade 13 is fixedly installed on the side end of the motor 12; the motor 12 is connected to the temperature control board 2 through a wire, and a power supply mainboard 11 is fixedly installed inside the outer shell 1; the power supply mainboard 11 is connected to the temperature control board 2 through a wire, and dustproof nets 5 are fixedly installed on both sides of the outer shell 1.

[0029] Working principle:

[0030] The first step is that during use, the temperature emitted by the power supply mainboard 11 will accumulate due to the lack of air circulation inside the shell 1. The temperature control board 2 is integrated with a 51 single-chip microcomputer, and the temperature can be set according to load requirements. When the temperature sensor 9 at its bottom detects that the temperature inside the shell 1 is too high, it will send a signal to the electromagnet 7 and the motor 12 to start. The electromagnet 7 will generate magnetic force to adsorb the push plate 6 when it is started. When the push plate 6 is adsorbed onto the electromagnet 7, the air inlet 4 at the side end of the shell 1 will be opened, and the motor 12 will rotate the fan blades 13 to drive the air circulation inside the shell 1. When the temperature inside the shell 1 is too low, the electromagnet 7 and the motor 12 will be turned off, and the power supply mainboard 11 will no longer be cooled, so that its temperature will increase. By controlling the air flow inside the shell 1, the temperature compensation of the power supply mainboard 11 is completed, thereby achieving the effect of improving the service life and stability of the LED.

[0031] In the second step, when the air enters the housing 1, the impurities in the air will be filtered by the dustproof net 5 outside the housing 1 to prevent external dust and other pollutants from corroding the internal circuit. The temperature control board 2 is integrated with a 51 single-chip microcomputer and buttons. LEDs of different powers have different temperature requirements. Therefore, the temperature range inside the housing 1 is set according to demand, thereby increasing practicality and extending service life.

[0032] Finally, it should be noted that: Obviously, the above embodiments are only examples for clearly explaining the present invention, and are not intended to limit the implementation methods. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from this are still within the scope of protection of the present invention.

Claims

1. An LED driving power supply with temperature compensation function, comprising a housing (1), characterized in that: An air inlet (4) is provided at a side end of the housing (1), a push plate (6) is slidably mounted at the side end of the air inlet (4), and an electromagnet (7) is fixedly mounted inside the housing (1); Wherein, a magnet is installed in the middle of the push plate (6) corresponding to the electromagnet (7).

2. The LED driving power supply with temperature compensation function as claimed in claim 1, characterized in that: Springs (8) are fixedly mounted at the four corners of the push plate (6), and an exhaust port (3) is provided at the side end of the housing (1).

3. The LED driving power supply with temperature compensation function as claimed in claim 1, characterized in that: A temperature control plate (2) is fixedly mounted inside the housing (1), and a temperature sensor (9) is fixedly mounted at the bottom end of the temperature control plate (2); The temperature control plate (2) is connected to the electromagnet (7) via a wire.

4. The LED driving power supply with temperature compensation function as claimed in claim 1, characterized in that: A motor (12) is fixedly mounted inside the housing (1), and a fan blade (13) is fixedly mounted on the side end of the motor (12); The motor (12) is connected to the temperature control board (2) via a wire.

5. The LED driving power supply with temperature compensation function as claimed in claim 1, characterized in that: A power supply mainboard (11) is fixedly installed inside the housing (1); The power supply mainboard (11) is connected to the temperature control board (2) via a wire.

6. The LED driving power supply with temperature compensation function as claimed in claim 1, characterized in that: Dustproof nets (5) are fixedly mounted on both sides of the housing (1).

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