CN210640685U

CN210640685U - LED power supply over-temperature, over-voltage and under-voltage protection device

Info

Publication number: CN210640685U
Application number: CN201922036847.6U
Authority: CN
Inventors: 李宗武; 徐宝金
Original assignee: Anhui Runcheng Electrical And Mechanical Co ltd
Current assignee: Anhui Runcheng Electrical And Mechanical Co ltd
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-05-29
Anticipated expiration: 2029-11-22

Abstract

The utility model discloses a LED power excess temperature excessive pressure undervoltage protection device, which comprises a device shell, one side fixedly connected with binding post of device shell, the equidistance distributes on the binding post has a plurality of power wiring mouths, the device shell is kept away from one side of binding post and is installed radiator fan, a plurality of louvres have been seted up on the top of device shell, fixed mounting has the circuit board in the device shell, fixed mounting has temperature sensor on the circuit board, controller and voltage sensor, install a plurality of first connecting pieces on the device shell is close to one side inner wall of binding post, first connecting piece and power wiring mouth one-to-one, horizontal slidable mounting has a plurality of second connecting pieces in the device shell, two liang between the fixedly connected with bracing piece of second connecting piece. The utility model discloses the structure is ingenious, and is safe in utilization, has the function of the initiative disconnection load when circuit excessive pressure is under-voltage, and can initiatively dispel the heat when the high temperature to have good dustproof effect concurrently.

Description

LED power supply over-temperature, over-voltage and under-voltage protection device

Technical Field

The utility model belongs to the LED power field, concretely relates to LED power excess temperature excessive pressure undervoltage protection device.

Background

The LED power supply is one of power supplies, a device for supplying power to an electronic device, and a power supply. The device is a device for converting alternating current into direct current through a transformer and a rectifier, and the device is called a rectifying power supply and is also called a driving power supply.

The LED power is when supplying power to the LED lamp, when the condition of excessive pressure or undervoltage appears, can cause the damage of LED lamp, consequently need press undervoltage protection device in time to break off the load under this condition, and LED power electronic components can produce the heat at the during operation, and current LED power adopts passive radiating mode mostly, and the radiating effect is not good enough, can appear the overheated condition of damaging of power.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a LED power excess temperature excessive pressure undervoltage protection device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the device comprises a device shell, wherein a connecting terminal is fixedly connected to one side of the device shell, a plurality of power supply wiring ports are distributed on the connecting terminal at equal intervals, a cooling fan is installed on one side, away from the connecting terminal, of the device shell, a plurality of cooling holes are formed in the top end of the device shell, a circuit board is fixedly installed in the device shell, a temperature sensor, a controller and a voltage sensor are fixedly installed on the circuit board, a plurality of first connecting pieces are installed on the inner wall, close to the connecting terminal, of the device shell, and correspond to the power supply wiring ports one by one, a plurality of second connecting pieces are horizontally and slidably installed in the device shell, supporting rods are fixedly connected between every two second connecting pieces, each second connecting piece is of an L-shaped structure, a slot is formed in one side of each first connecting piece, one end, close to each first connecting piece, of each, the output shaft of the push rod motor is contacted with a second connecting piece closest to the push rod motor, an elastic piece is connected between the second connecting piece farthest from the push rod motor and the device shell, and the second connecting piece is connected with the circuit board through a wire.

Preferably, two guide rods horizontally arranged are fixedly connected between the inner walls of the two sides of the shell of the device, the two guide rods are positioned on the two sides of the supporting rod and are parallel to the supporting rod, guide holes are formed in the second connecting piece, and the guide rods penetrate through all the second connecting pieces through the guide holes.

Preferably, the output shaft of the push rod motor is fixedly connected with a push plate, and the push plate is in contact with a second connecting piece closest to the push rod motor.

Preferably, the elastic part is a spring tube, one end of the spring tube is abutted to a second connecting piece farthest from the push rod motor, and the other end of the spring tube is abutted to the inner wall of the device shell.

Preferably, the controller is a single chip microcomputer with the type of ADM202, the type of the voltage sensor is CHV-25P, the type of the temperature sensor is PT100, and the output ends of the temperature sensor and the voltage sensor are connected with the input end of the controller through leads.

Preferably, the output end of the controller is connected with the push rod motor through a wire, and the output end of the controller is connected with the cooling fan through a wire.

Preferably, the equal fixedly connected with metal fixed strip in top both sides of device shell has seted up the mounting groove between two metal fixed strips, and the top of device shell has the dust guard through mounting groove slidable mounting.

Preferably, one side of the dust guard is fixedly connected with a baffle, the height of the baffle is greater than the thickness of the dust guard, and one side of the baffle, which is close to the dust guard, is fixedly provided with a magnet.

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

1. the voltage sensor is used for monitoring the voltage in the circuit and transmitting a voltage signal to the controller in real time, and when the overvoltage or undervoltage condition occurs, the controller controls the push rod motor to shorten, so that the second connecting piece moves leftwards to be separated from the first connecting piece, the load can be disconnected, and the effect of protecting the LED lamp and the power circuit is achieved;

2. the temperature sensor is used for monitoring the temperature inside the device shell and transmitting a temperature signal to the controller in real time, and when the temperature is too high, the controller controls the cooling fan to be started to actively cool, so that the effect of quickly cooling is achieved, and electronic elements inside the device shell are protected;

3. the top of device shell has the dust guard through mounting groove slidable mounting, and the dust guard covers on the louvre, prevents that the dust from entering into the inside of device shell from the louvre, and the dust guard is detachable design for the dust guard can be by convenient clearance dust.

The utility model discloses the structure is ingenious, and is safe in utilization, has the function of the initiative disconnection load when circuit excessive pressure is under-voltage, and can initiatively dispel the heat when the high temperature to have good dustproof effect concurrently.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is a top view cross-sectional view of the present invention;

fig. 3 is an enlarged schematic view of the position a of the present invention;

fig. 4 is an enlarged schematic view of the position B of the present invention;

fig. 5 is a schematic block diagram of the present invention.

In the figure: 1. a device housing; 2. a wiring terminal; 3. a power supply wiring port; 4. heat dissipation holes; 5. a dust-proof plate; 6. a baffle plate; 7. a magnet; 8. a metal fixing strip; 9. mounting grooves; 10. a heat radiation fan; 11. a circuit board; 12. a temperature sensor; 13. a controller; 14. a first connecting member; 15. a second connecting member; 16. a support bar; 17. a guide bar; 18. a push rod motor; 19. pushing the plate; 20. a spring tube; 21. a voltage sensor.

Detailed Description

The present invention will be further described with reference to the following examples.

The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.

Embodiment 1, please refer to fig. 1-5, the utility model provides a technical scheme of an over-temperature, over-voltage and under-voltage protection device for a LED power supply: the device comprises a device shell 1, wherein a connecting terminal 2 is fixedly connected to one side of the device shell 1, a plurality of power supply wiring ports 3 are equidistantly distributed on the connecting terminal 2, a cooling fan 10 is installed at one side, away from the connecting terminal 2, of the device shell 1, hot air in the device shell 1 can be timely pumped out after the cooling fan 10 is started, the cooling is accelerated, the cooling holes 4 are used for air inlet, a plurality of cooling holes 4 are formed in the top end of the device shell 1, a circuit board 11 is fixedly installed in the device shell 1, a temperature sensor 12, a controller 13 and a voltage sensor 21 are fixedly installed on the circuit board 11, a plurality of first connecting pieces 14 are installed on the inner wall of one side, close to the connecting terminal 2, of the device shell 1, the first connecting pieces 14 correspond to the power supply wiring ports 3 one by one, a plurality of second connecting pieces 15 are movably installed, second connecting piece 15 is L shape structure, the slot has been seted up to one side of first connecting piece 14, the one end that second connecting piece 15 is close to first connecting piece 14 is inserted in the slot, first connecting piece 14 can communicate binding post 2 and circuit board 11 when being connected with second connecting piece 15, fixedly connected with push rod motor 18 that the level set up on one side inner wall of device shell 1, the output shaft of push rod motor 18 contacts with a second connecting piece 15 that is closest to push rod motor 18, be connected with the elastic component between a second connecting piece 15 that is farthest from push rod motor 18 and the device shell 1, second connecting piece 15 passes through the wire with circuit board 11 and is connected.

Wherein, the guide bar 17 that two levels of fixedly connected with set up between the both sides inner wall of device shell 1, two guide bar 17 are located the both sides of bracing piece 16, and are parallel with bracing piece 16, have seted up the guiding hole on the second connecting piece 15, and all second connecting pieces 15 are run through the guiding hole to guide bar 17, and second connecting piece 15 can be under the guide effect horizontal slip of guide bar 17.

The output shaft of the push rod motor 18 is fixedly connected with a push plate 19, the push plate 19 is in contact with one second connecting piece 15 closest to the push rod motor 18, the push plate 19 overcomes the elastic force of the elastic piece to push all the second connecting pieces 15 rightwards when the push rod motor 18 is in an extended state, so that the second connecting pieces 15 move rightwards to be connected with the first connecting pieces 14, the wiring terminals 2 are powered, after the push rod motor 18 is shortened, the second connecting pieces 15 move leftwards to be separated from the first connecting pieces 14 under the elastic force of the elastic piece, and therefore circuit breaking can be completed.

Wherein, the elastic component is a spring tube 20, one end of the spring tube 20 is abutted with one second connecting piece 15 which is farthest away from the push rod motor 18, and the other end of the spring tube 20 is abutted with the inner wall of the device shell 1.

The controller 13 is a single chip microcomputer with an ADM202 model, the voltage sensor 21 is CHV-25P, the temperature sensor 12 is PT100, and the output ends of the temperature sensor 12 and the voltage sensor 21 are connected with the input end of the controller 13 through leads.

Wherein, the output end of the controller 13 is connected with the push rod motor 18 through a wire, and the output end of the controller 13 is connected with the heat radiation fan 10 through a wire.

Embodiment 2, please refer to fig. 1, the difference between this embodiment and embodiment 1 is that both sides of the top end of the device housing 1 are fixedly connected with metal fixing strips 8, a mounting groove 9 is formed between the two metal fixing strips 8, a dust guard 5 is slidably mounted on the top end of the device housing 1 through the mounting groove 9, the dust guard 5 covers the heat dissipation hole 4, so as to prevent dust from entering the device housing 1 from the heat dissipation hole 4, and the dust guard 5 is detachably designed, so that the dust guard 5 can be conveniently cleaned.

Wherein, one side fixedly connected with baffle 6 of dust guard 5, baffle 6 highly is greater than the thickness of dust guard 5, and one side fixed mounting that baffle 6 is close to dust guard 5 has magnet 7, and when dust guard 5 inserted between two metal

fixed strips

8, 6 cards of baffle are in the one end of metal fixed strip 8, and the existence of magnet 7 makes baffle 6 can inhale the one end at metal fixed strip 8 for fixing that dust guard 5 can be stable between two metal fixed strips 8.

The utility model discloses a theory of operation and use flow: voltage sensor 21 is arranged in the voltage of monitoring circuit, and give controller 13 with voltage signal transmission in real time, when the condition of excessive pressure or undervoltage appears, controller 13 control push rod motor 18 shortens, make second connecting piece 15 remove left and first connecting piece 14 separation, thereby the load of can breaking off, reach the effect of protection LED lamp and power supply circuit, temperature sensor 12 is used for the inside temperature of monitoring devices shell 1, and give controller 13 with temperature signal transmission in real time, when the condition that the temperature is too high appears, controller 13 control radiator fan 10 opens and initiatively dispels the heat, thereby reach rapid cooling's effect, thereby the inside electronic component of protection devices shell 1.

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

LED power excess temperature excessive pressure undervoltage protection device, its characterized in that: the device comprises a device shell (1), wherein one side of the device shell (1) is fixedly connected with a wiring terminal (2), a plurality of power supply wiring ports (3) are equidistantly distributed on the wiring terminal (2), one side of the device shell (1), which is far away from the wiring terminal (2), is provided with a cooling fan (10), the top end of the device shell (1) is provided with a plurality of cooling holes (4), a circuit board (11) is fixedly arranged in the device shell (1), the circuit board (11) is fixedly provided with a temperature sensor (12), a controller (13) and a voltage sensor (21), the inner wall of one side of the device shell (1), which is close to the wiring terminal (2), is provided with a plurality of first connecting pieces (14), the first connecting pieces (14) are in one-to-one correspondence with the power supply wiring ports (3), a plurality of second connecting pieces (15) are movably arranged in the device shell (1), and supporting rods, second connecting piece (15) are L shape structure, the slot has been seted up to one side of first connecting piece (14), one end that second connecting piece (15) are close to first connecting piece (14) is inserted in the slot, push rod motor (18) that the fixed connection has the level to set up on the one side inner wall of device shell (1), the output shaft of push rod motor (18) contacts with a second connecting piece (15) that is closest to push rod motor (18), be connected with the elastic component between a second connecting piece (15) that is furthest away from push rod motor (18) and device shell (1), second connecting piece (15) pass through the wire with circuit board (11) and are connected.
2. The over-temperature, over-voltage and under-voltage protection device of the LED power supply according to claim 1, characterized in that: the device is characterized in that two guide rods (17) which are horizontally arranged are fixedly connected between the inner walls of the two sides of the shell (1), the two guide rods (17) are positioned on the two sides of the supporting rod (16) and are parallel to the supporting rod (16), guide holes are formed in the second connecting piece (15), and the guide rods (17) penetrate through all the second connecting pieces (15) through the guide holes.
3. The over-temperature, over-voltage and under-voltage protection device of the LED power supply according to claim 1, characterized in that: the output shaft of the push rod motor (18) is fixedly connected with a push plate (19), and the push plate (19) is in contact with a second connecting piece (15) which is closest to the push rod motor (18).
4. The over-temperature, over-voltage and under-voltage protection device of the LED power supply according to claim 1, characterized in that: the elastic piece is a spring tube (20), one end of the spring tube (20) is abutted to a second connecting piece (15) which is farthest away from the push rod motor (18), and the other end of the spring tube (20) is abutted to the inner wall of the device shell (1).
5. The over-temperature, over-voltage and under-voltage protection device of the LED power supply according to claim 1, characterized in that: the controller (13) adopts a single chip microcomputer with an ADM202 model, the voltage sensor (21) is CHV-25P, the temperature sensor (12) is PT100, and the output ends of the temperature sensor (12) and the voltage sensor (21) are connected with the input end of the controller (13) through leads.
6. The over-temperature, over-voltage and under-voltage protection device of the LED power supply according to claim 1, characterized in that: the output end of the controller (13) is connected with the push rod motor (18) through a lead, and the output end of the controller (13) is connected with the heat dissipation fan (10) through a lead.
7. The over-temperature, over-voltage and under-voltage protection device of the LED power supply according to claim 1, characterized in that: the equal fixedly connected with metal fixed strip (8) in top both sides of device shell (1), mounting groove (9) have been seted up between two metal fixed strip (8), and there is dust guard (5) on the top of device shell (1) through mounting groove (9) slidable mounting.
8. The over-temperature, over-voltage and under-voltage protection device of the LED power supply according to claim 7, characterized in that: one side fixedly connected with baffle (6) of dust guard (5), the height of baffle (6) is greater than the thickness of dust guard (5), and one side fixed mounting that baffle (6) are close to dust guard (5) has magnet (7).