CN211064026U

CN211064026U - L ED driving power supply with overheat protection function

Info

Publication number: CN211064026U
Application number: CN201922225112.8U
Authority: CN
Inventors: 蔡智; 方桓周
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2020-07-21
Anticipated expiration: 2029-12-13

Abstract

The utility model discloses an L ED drive power supply with overheated safeguard function, including shell and drive circuit board, shell internally mounted has drive circuit board, and the drive circuit board top surface installs the auxiliary circuit board through the insulated column, beneficial effect: the utility model discloses a temperature-sensing ware, temperature detect switch and fan, temperature-sensing ware and temperature detect switch install on independent auxiliary circuit board, when the inside temperature of shell is higher, the inside temperature of temperature-sensing ware response shell, the signal is given the singlechip, the singlechip starts temperature detect switch and closes drive circuit board, avoid drive circuit board to continuously generate heat, avoid overheated arousing drive circuit board to damage, protection drive circuit board safety, and simultaneously, after the drive circuit board outage, the fan lasts the rotation, blow off the heat of the inside and the drive circuit board surface gathering of shell, make the inside and the quick cooling heat dissipation of drive circuit board of shell, temperature recovery process with higher speed, reduce drive circuit board outage off interval.

Description

L ED driving power supply with overheat protection function

Technical Field

The utility model relates to an L ED drive power supply technical field particularly, relates to a L ED drive power supply with overheated safeguard function.

Background

L ED driving power supply is a power converter that converts the power supply into specific voltage and current to drive L ED to emit light, and typically L ED driving power supply has inputs including high voltage power frequency AC (i.e. commercial power), low voltage DC, high voltage DC, low voltage high frequency AC (e.g. output of electronic transformer), etc.

L ED drive power supply is when using, inside can produce a large amount of heats, although be equipped with heat abstractor, but, run into comparatively hot weather, heat abstractor's radiating efficiency is restricted greatly, L ED drive power supply is inside also can be overheated, the phenomenon that L ED drive power supply burns out appears easily, cause economic loss for the user, and simultaneously, in order to avoid the dust to get into L ED drive power supply, often install the dust screen in vent department, traditional dust screen adopts bolt fixed mounting, installation and dismantlement are all more troublesome, the inconvenient dust of clearing up, it is comparatively troublesome to maintain.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides an L ED drive power supply with overheated safeguard function possesses the advantage of protection drive circuit board safe in utilization, the deashing of being convenient for, and then solves the problem among the above-mentioned background art.

(II) technical scheme

For realizing the advantage of above-mentioned protection drive circuit board safe in utilization, the deashing of being convenient for, the utility model discloses a concrete technical scheme as follows:

the utility model provides an L ED drive power supply with overheated safeguard function, includes shell and dirver circuit board, shell internally mounted has dirver circuit board, and dirver circuit board top surface installs the auxiliary circuit board through the insulated column to the integration of auxiliary circuit board top surface has temperature-sensing ware, singlechip and temperature detect switch, the dirver circuit board top is located shell internal top surface fixed mounting has the protection casing, and the inside fixed mounting of protection casing has the fan to the shell top surface corresponds the fan position and runs through and has seted up the bleeder vent, shell both ends electric connection has the connecting wire, dirver circuit board and auxiliary circuit board are parallelly connected, temperature detect switch passes through connecting wire and dirver circuit board input electric connection.

Furthermore, the bottom surface of the shell is positioned below the driving circuit board and fixedly connected with radiating fins in a penetrating manner, and through holes are formed among the radiating fins.

Further, the shell top surface is located the bleeder vent outside and the shell bottom surface is located the heat radiation fins outside and has seted up the annular, and the inside fixed mounting of annular has the magnet, shell top and below are provided with the collar, and collar one end fixed mounting has the dust screen to collar surface rotation is connected with rings, collar other end fixedly connected with hoop, and the hoop stretch into in the annular with the magnet actuation.

Furthermore, a fixing piece is fixedly connected to the inside of the shell through a fixing rod, and the edge of the driving circuit board is inserted into the fixing piece and is fixedly connected with the fixing piece through a mounting bolt.

Furthermore, a through hole is formed in the surface of the driving circuit board, and the wiring terminal of the driving circuit board is electrically connected with the connecting wire.

Further, the output end of the single chip microcomputer is electrically connected with the input end of the fan, and the output end of the single chip microcomputer is electrically connected with the input end of the temperature control switch.

(III) advantageous effects

Compared with the prior art, the utility model provides an L ED drive power supply with overheat protection function possesses following beneficial effect:

(1) the utility model discloses a temperature-sensing ware, temperature detect switch and fan, temperature-sensing ware and temperature detect switch install on independent auxiliary circuit board, when the inside temperature of shell is higher, the inside temperature of temperature-sensing ware response shell, signals sent gives the singlechip, the singlechip starts temperature detect switch and closes drive circuit board, avoid drive circuit board to continuously generate heat, avoid overheated arousing drive circuit board to damage, protect drive circuit board safety, and simultaneously, behind the drive circuit board outage, the fan continuously rotates, blow off the heat of the inside and drive circuit board surface gathering of shell, make the inside and drive circuit board quick cooling heat dissipation of shell, the temperature recovery process accelerates, reduce drive circuit board outage off-time.

(2) The utility model discloses a convenient dust screen that takes off, the dust screen sets up in bleeder vent top and heat radiation fins below, the dust screen is installed at the collar tie face, the collar tie is pulled down hard to staff's accessible rings, make magnet and hoop break away from, can accomplish the dismantlement of dust screen, be convenient for wash, only need put into the annular with the hoop during installation, the magnet absorbs the hoop and can accomplish the installation, dust screen installation and dismantlement in this device are all more convenient, the very big staff that has made things convenient for washs the dust screen, the dust clearance of being convenient for.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an L ED driving power supply with an overheat protection function according to the present invention;

fig. 2 is a top view of an L ED driving power supply with overheat protection function according to the present invention;

fig. 3 is a top view of the driving circuit board of the present invention.

In the figure:

1. a housing; 2. a drive circuit board; 3. a fixing member; 4. fixing the rod; 5. a temperature control switch; 6. a protective cover; 7. a fan; 8. a magnet; 9. a ring groove; 10. an iron ring; 11. air holes are formed; 12. a hoisting ring; 13. a dust screen; 14. a mounting ring; 15. a temperature sensor; 16. a single chip microcomputer; 17. a sub circuit board; 18. an insulating column; 19. a connecting wire; 20. and heat dissipation fins.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides an L ED drive power supply with overheat protection function.

Now combine attached drawing and detailed description to the utility model discloses it is right with the embodiment the utility model discloses it is further explained, as shown in fig. 1-3, according to the utility model discloses a L ED drive power supply with overheat protection function, including shell 1 and dirver circuit board 2, 1 internally mounted of shell has dirver circuit board 2, for common L ED drive structure, do not do too much and give repeated description here, and dirver circuit board 2 top surface installs dirver circuit board 17 through insulating post 18, insulating post 18 prevents the circuit from passing through, avoid producing the interference, and integrated there is temperature-sensing ware 15 on dirver circuit board 17 top surface, singlechip 16 and temperature control switch 5, top surface fixed mounting has protection casing 6 in dirver 1 of dirver circuit board 2 top, and the inside fixed mounting of protection casing 6 has fan 7, protection casing 6 is hollow out of work structure, protection casing 6 avoids fan 7 to touch the drive electrical components by mistake when rotating, it is safer to use, and shell 1 top surface corresponds fan 7 position and has seted up bleeder vent 11, be convenient for taking a breath, shell 1 both ends electrically connected with connecting wire 19, for common wiring structure, do not do here, do not do the heat dissipation and avoid the too much more than the heat dissipation of the heat in the inside of the drive circuit board 2, it drives circuit board 2 to cut off, it is connected to influence the temperature-sensing ware 2, it is the temperature-sensing ware to keep warm, it is connected to reduce the temperature-sensing ware and is the temperature-sensing ware, the temperature-reducing of shell 2, the shell, the temperature-sensing ware is avoided the temperature-reducing of shell 2 to keep driving circuit board 2, the temperature-driving circuit board 2 to be connected temperature-driving circuit board 2, the temperature-driving circuit board.

In one embodiment, the bottom surface of the housing 1 is located below the driving circuit board 2 and fixedly connected with the heat dissipating fins 20, and through holes are formed between the heat dissipating fins 20, the through holes facilitate the discharge of hot air, and the heat dissipating fins 20 facilitate the conduction of heat, thereby accelerating the heat dissipating process.

In one embodiment, the top surface of the shell 1 is positioned outside the vent holes 11 and the bottom surface of the shell 1 is positioned outside the heat dissipation fins 20, an annular groove 9 is opened, the inside of the annular groove 9 is fixedly provided with the magnet 8, the magnet 8 is in an annular structure, the upper part and the lower part of the shell 1 are provided with the installation rings 14, the installation rings 14 are in a cylindrical structure, one end of the installation rings 14 is fixedly provided with the dustproof net 13, the surface of the installation rings 14 is rotatably connected with the hanging ring 12, the other end of the installation rings 14 is fixedly connected with the iron ring 10, the iron ring 10 extends into the annular groove 9 to be attracted with the magnet 8, the dustproof net 13 is arranged above the vent holes 11 and below the heat dissipation fins 20, the dustproof net 13 is installed on the top surface of the installation rings 14, a worker can pull down the installation rings 14 through the hanging ring 12 to separate the magnet 8 from the iron ring 10, the disassembly of the dustproof net 13 can be completed, the installation can be accomplished to the iron-absorbing stone 8 absorption hoop 10, and the installation of dust screen 13 in this device is all more convenient with the dismantlement, very big having made things convenient for the staff to wash dust screen 13, the dust of being convenient for is cleared up.

In one embodiment, the fixing member 3 is fixedly connected to the inside of the casing 1 through a fixing rod 4, the edge of the driving circuit board 2 is inserted into the fixing member 3 and is fixedly connected with the fixing member 3 through a mounting bolt, and the fixing rod 4 and the fixing member 3 make the driving circuit board 2 overhead, thereby facilitating heat dissipation.

In one embodiment, the surface of the driving circuit board 2 is provided with a through hole, and the connection terminal of the driving circuit board 2 is electrically connected to the connection wire 19, which is a common connection structure and will not be described in detail herein.

In one embodiment, the output end of the single chip microcomputer 16 is electrically connected with the input end of the fan 7, the output end of the single chip microcomputer 16 is electrically connected with the input end of the temperature control switch 5, and the single chip microcomputer 16 controls the fan 7 to be started or stopped without being influenced by the driving circuit board 2, so that the heat dissipation stop caused by the power failure of the driving circuit board 2 is avoided.

The working principle is as follows:

the device is installed to a proper position, a power supply is switched on, when the temperature inside the shell 1 is higher, the temperature sensor 15 senses the temperature inside the shell 1 and sends a signal to the singlechip 16, the singlechip 16 starts the temperature control switch 5 to close the drive circuit board 2, the drive circuit board 2 is prevented from continuously heating, the drive circuit board 2 is prevented from being damaged due to overheating, the drive circuit board 2 is protected from being damaged, meanwhile, after the drive circuit board 2 is powered off, the fan 7 continuously rotates to blow out heat accumulated inside the shell 1 and on the surface of the drive circuit board 2, the heat inside the shell 1 and the drive circuit board 2 are rapidly cooled and radiated, the temperature recovery process is accelerated, the power-off interruption time of the drive circuit board 2 is reduced, in addition, a worker can forcibly pull down the installation ring 14 through the hanging ring 12 to separate the magnet 8 from the iron ring 10, the disassembly of the dust screen 13, during the installation, only need put into annular 9 with hoop 10, the installation can be accomplished to magnet 8 absorption hoop 10, and the installation of dust screen 13 in this device is all more convenient with the dismantlement, and very big having made things convenient for the staff to wash dust screen 13, the dust of being convenient for is cleared up.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an L ED drive power supply with overheated safeguard function, a serial communication port, including shell (1) and dirver circuit board (2), shell (1) internally mounted has dirver circuit board (2), and dirver circuit board (2) top surface installs auxiliary circuit board (17) through insulated column (18) to auxiliary circuit board (17) top surface integration has temperature-sensing ware (15), singlechip (16) and temperature detect switch (5), dirver circuit board (2) top is located shell (1) interior top surface fixed mounting has protection casing (6), and the inside fixed mounting of protection casing (6) has fan (7), and shell (1) top surface corresponds fan (7) position and runs through and has seted up bleeder vent (11), shell (1) both ends electric connection has connecting wire (19), dirver circuit board (2) and auxiliary circuit board (17) are parallelly connected, temperature detect switch (5) are through connecting wire and dirver circuit board (2) input electric connection.

2. The L ED driving power supply with the overheat protection function according to claim 1, wherein the bottom surface of the housing (1) is located below the driving circuit board (2) and fixedly connected with heat dissipation fins (20) in a penetrating manner, and through holes are formed between the heat dissipation fins (20).

3. The L ED driving power supply with the overheat protection function according to claim 2, wherein the top surface of the housing (1) is located outside the ventilation holes (11) and the bottom surface of the housing (1) is located outside the heat dissipation fins (20) to open the ring groove (9), and the inside of the ring groove (9) is fixedly provided with the magnet (8), the mounting rings (14) are arranged above and below the housing (1), and one end of the mounting ring (14) is fixedly provided with the dust screen (13), and the surface of the mounting ring (14) is rotatably connected with the hanging ring (12), the other end of the mounting ring (14) is fixedly connected with the iron ring (10), and the iron ring (10) extends into the ring groove (9) to be attracted with the magnet (8).

4. The L ED driving power supply with overheat protection function according to claim 1, wherein the inside of the casing (1) is fixedly connected with a fixing member (3) through a fixing rod (4), and the edge of the driving circuit board (2) is inserted into the fixing member (3) and fixedly connected with the fixing member (3) through a mounting bolt.

5. The L ED driving power supply with overheat protection function according to claim 1, wherein the surface of the driving circuit board (2) is provided with through holes, and the terminals of the driving circuit board (2) are electrically connected with the connecting wires (19).

6. The L ED driving power supply with the overheat protection function according to claim 1, wherein the output end of the single chip microcomputer (16) is electrically connected with the input end of the fan (7), and the output end of the single chip microcomputer (16) is electrically connected with the input end of the temperature controlled switch (5).