CN111107694B

CN111107694B - LED driving power supply with strong heat dissipation performance

Info

Publication number: CN111107694B
Application number: CN202010096722.7A
Authority: CN
Inventors: 张金露
Original assignee: Taizhou Huangyan Longxin Electronic Technology Co ltd
Current assignee: Taizhou Huangyan Longxin Electronic Technology Co ltd
Priority date: 2020-02-17
Filing date: 2020-02-17
Publication date: 2021-08-20
Anticipated expiration: 2040-02-17
Also published as: CN111107694A

Abstract

The invention discloses an LED driving power supply with strong heat dissipation performance, which comprises a shell and a battery pack, wherein the battery pack is fixedly sleeved in the shell of a hollow structure. According to the invention, the heat collecting plate and the heat conducting rod which absorb heat and conduct heat are arranged at the upper end of the battery pack, and the first-stage partition plate, the second-stage partition plate and the third-stage partition plate form a sealed cavity filled with alcohol solution, so that the alcohol solution absorbs heat rapidly through the heat conducting rod to realize evaporation, thereby realizing the cooling effect; the heat conducting plate is connected to the lower end of the battery pack, so that the flow of cold and hot air flow in the shell is accelerated; the lower end of the battery pack is internally provided with the cooling water tank and the water pipe, and the water pipe is internally provided with the piston which is pulled by the U-shaped shaft, so that a low-temperature water source can flow in the cooling water tank comprehensively, the contact area between the low-temperature water source and the battery pack is increased, and the cooling range is enlarged; through set up the aluminium foil board that alternately corresponds on limiting plate and buffer board, utilize aluminium foil board self microthermal characteristic to cool down the gaseous of flow to reach the mesh that reduces driving power supply ambient temperature.

Description

LED driving power supply with strong heat dissipation performance

Technical Field

The invention relates to the technical field of application and maintenance of LED lamps, in particular to an LED driving power supply with strong heat dissipation.

Background

The LED lamp is also called as an LED projection lamp, is mainly used for architectural decoration and illumination, and is also used for outlining large buildings, and the technical parameters of the LED lamp are similar to those of the LED projection lamp. It is well known that electric power is an indispensable supply energy source of LED lamps, and with the continuous progress of science and technology, the lithium battery with obvious superiority gradually replaces the most common zinc-manganese battery in the traditional technology, and the lithium battery adopted as the driving power supply of LED lamps has obvious superiority, but with the continuous change and upgrade of power supply requirements, the burden of the current lithium battery driving power supply in the power supply state becomes heavier and heavier, which causes a series of technical drawbacks, mainly manifested as the problem of high-temperature heat generated by the driving power supply in the long-term power supply state.

Firstly, a means of diffusing high-temperature heat in a driving power supply is generally adopted by a perforated hollow ventilating board structure in the traditional technology, but the heat dissipation efficiency and the heat dissipation effect are extremely limited due to passive dependence on self-movement diffusion of high-temperature hot gas; in addition, along with the increase of the electric power supplied by the driving power supply, the single air cooling technology cannot be adopted to meet the standard requirements of heat dissipation and cooling far away, a large amount of high-temperature heat is difficult to discharge and accumulated, serious safety threats exist to the operation of each part of the driving power supply, damage accidents easily occur to the parts of the driving power supply in a high-temperature environment, the power supply of the LED lamp is influenced, and even expansion and explosion of the driving power supply can be caused.

Disclosure of Invention

The invention aims to solve the problem that the high-efficiency heat dissipation is difficult to provide for an LED lamp driving power supply in the prior art, and provides an LED driving power supply with strong heat dissipation performance.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a LED drive power supply that thermal diffusivity is strong, includes shell and battery package, the fixed suit of battery package is in hollow structure's shell, and the equal fixedly connected with in battery package both sides and shell looks welded limiting plate, the battery package upper end is seted up flutedly, and is fixed nested in the recess has a thermal-arrest board, two the upper end is connected with one-level baffle, second grade baffle and tertiary baffle respectively between the limiting plate, the filling has alcohol solution between one-level baffle and the second grade baffle, and fixedly connected with runs through the conducting rod that the one-level baffle extends to alcohol solution on the thermal-arrest board, the micropore has been seted up in the second grade baffle.

Preferably, a fourth-stage partition plate is fixedly connected to the lower end between the two limiting plates, a base plate and a side plate connected with the battery pack are respectively connected to the fourth-stage partition plate, a support is connected between the base plate and the side plate, a rotating shaft and a U-shaped shaft which are of an integrated structure are rotatably connected to the support, an impeller is fixedly sleeved on the rotating shaft, a cooling water tank is fixedly sleeved in the lower end of the battery pack, the lower end of the cooling water tank is communicated with a water pipe located on the base plate, a piston slidably sleeved in the water pipe is movably connected to the U-shaped shaft, a heat conducting plate penetrating through the support is fixedly connected to the lower end of the battery pack, and a first-stage vent and a second-stage vent are respectively formed in the fourth-stage partition plate and the side plate;

the utility model discloses a shell, including shell, limiting plate and buffer board, shell both sides inner wall all welds there is the spring, and the welding has the buffer board of slidable mounting in the shell both sides on the spring, the aluminium foil board of equal fixedly connected with crisscross distribution on limiting plate and the buffer board, and all seted up the louvre in the shell both sides, shell lower extreme bolted connection has the mount pad.

Preferably, two the perpendicular setting that the limiting plate level corresponds, one-level baffle, second grade baffle and tertiary baffle are from bottom to top horizontally arranged in the battery package top, and level four baffle sets up in the battery package below.

Preferably, the U-shaped shaft and the rotating shaft are respectively positioned above and below the support, and the U-shaped shaft horizontally corresponds to the water pipe.

Preferably, the first-stage ventilation opening is vertically provided with one side of the impeller and extends out of the shell, and the second-stage ventilation opening and the heat conducting plate which are horizontally provided are positioned on the other side of the impeller.

Preferably, the springs are horizontally distributed at equal intervals from top to bottom, and two ends of the buffer plate are respectively and slidably abutted against the upper end and the lower end of the shell.

Preferably, the limiting plate and the buffer plate are both of a mesh plate structure provided with mesh holes.

Preferably, the heat dissipation holes are obliquely formed in two side walls of the shell from top to bottom.

Preferably, the mounting seat is horizontally connected to the lower end of the housing, and the mounting seat is located below the primary vent.

Compared with the prior art, the invention has the following advantages:

1. according to the invention, the upper end of the battery pack is connected with the heat collection plate and the heat conduction rod, the alcohol solution is filled between the limiting plates by utilizing the primary partition plate, the secondary partition plate and the tertiary partition plate, and the heat conduction rod is arranged in the alcohol solution, so that the alcohol solution is quickly evaporated by absorbing heat.

2. The heat-conducting plate is connected to the lower end of the battery pack, the rotating shaft and the U-shaped shaft which are integrally structured are rotatably arranged on one side of the heat-conducting plate, and the impeller on the rotating shaft rotates by opening the ventilation opening, so that the flow replacement of cold and hot gas at the lower end of the battery pack is accelerated.

3. The cooling water tank and the water pipe which are integrally structured are nested in the lower end of the battery pack, and the telescopic piston is movably arranged in the water pipe by utilizing the U-shaped shaft, so that the low-temperature water source can flow in the cooling water tank comprehensively, the contact area between the low-temperature water source and the battery pack is increased, and the comprehensive heat absorption is realized.

4. According to the invention, the buffer plates are arranged on two sides of the battery pack by using the springs, and the aluminum foil plates which are in cross correspondence are arranged on the limiting plates and the buffer plates of the grid structure, so that flowing gas is in contact with the aluminum foil plates, and the aluminum foil plates are used for cooling the gas.

In summary, the heat collecting plate and the heat conducting rod which absorb heat and conduct heat are arranged at the upper end of the battery pack, and the first-stage partition plate, the second-stage partition plate and the third-stage partition plate form the sealed cavity filled with the alcohol solution, so that the alcohol solution absorbs heat rapidly through the heat conducting rod to evaporate, and the cooling effect is realized; the heat conducting plate is connected to the lower end of the battery pack, the rotating shaft and the U-shaped shaft which are integrally structured are rotationally arranged, and the impeller is driven to rotate by using air pressure difference caused by high and low air temperatures so as to accelerate cold and hot airflow flow in the shell; the cooling water tank and the water pipe are arranged at the lower end of the battery pack, and the piston pulled by the U-shaped shaft is arranged in the water pipe, so that a low-temperature water source can flow in the cooling water tank comprehensively, the contact area between the low-temperature water source and the battery pack is increased, and the cooling range is enlarged; through set up the aluminium foil board that alternately corresponds on limiting plate and buffer board, utilize aluminium foil board self microthermal characteristic to cool down the gaseous of flow to reach the mesh that reduces driving power supply ambient temperature.

Drawings

Fig. 1 is a schematic structural diagram of an LED driving power supply with high heat dissipation performance according to the present invention;

FIG. 2 is an enlarged view of a portion A of the LED driving power supply with high heat dissipation performance according to the present invention;

FIG. 3 is an enlarged view of a portion B of the LED driving power supply with high heat dissipation according to the present invention;

FIG. 4 is an enlarged view of a portion C of the LED driving power supply with high heat dissipation according to the present invention;

fig. 5 is a schematic structural diagram of a housing of the LED driving power supply with high heat dissipation performance according to the present invention;

fig. 6 is a schematic diagram of a limiting plate structure of the LED driving power supply with high heat dissipation performance according to the present invention;

fig. 7 is a schematic view of a connection structure between a cooling water tank and a water pipe of the LED driving power supply with high heat dissipation performance.

In the figure: the heat-collecting plate comprises a shell 1, a battery pack 2, a limiting plate 3, a groove 4, a heat-collecting plate 5, a first-stage partition plate 6, a second-stage partition plate 7, a third-stage partition plate 8, a heat-conducting rod 9, micropores 10, a fourth-stage partition plate 11, a base plate 12, a side plate 13, a support 14, a rotating shaft 15, a 16U-shaped shaft, an impeller 17, a cooling water tank 18, a water pipe 19, a piston 20, a heat-conducting plate 21, a first-stage ventilation opening 22, a second-stage ventilation opening 23, a spring 24, a buffer plate 25, an aluminum foil plate 26, heat dissipation holes 27 and a mounting seat 28.

Detailed Description

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

Referring to fig. 1-7, an LED driving power source with high heat dissipation includes a housing 1 and a battery pack 2, the battery pack 2 is fixedly sleeved in the housing 1 with a hollow structure, and both sides of the battery pack 2 are fixedly connected with limiting plates 3 welded to the housing 1, the battery pack 2 is limited and fixed in the housing 1 by the limiting plates 3 to protect the battery pack 2, a groove 4 is formed at the upper end of the battery pack 2, a heat collecting plate 5 is fixedly nested in the groove 4, the heat collecting plate 5 can intensively absorb heat generated when the battery pack 2 is powered, a primary partition plate 6, a secondary partition plate 7 and a tertiary partition plate 8 are respectively connected at the upper end between the two limiting plates 3, an alcohol solution is filled between the primary partition plate 6 and the secondary partition plate 7, a heat conducting rod 9 hermetically penetrating through the primary partition plate 6 and extending into the alcohol solution is fixedly connected to the heat collecting plate 5, high-temperature heat on the heat collecting plate 5 is transferred to the alcohol solution through the heat conducting rod 9, a micro hole 10 is formed in the secondary partition plate 7, the heat-absorbed alcohol solution is rapidly evaporated, and the gasified alcohol moves to a sealed space between the secondary partition plate 7 and the tertiary partition plate 8 through the micro hole 10 to prevent leakage;

referring to the accompanying drawings 1 and 3, a fourth-stage partition plate 11 is fixedly connected at the lower end between two limiting plates 3, a backing plate 12 and a side plate 13 connected with a battery pack 2 are respectively connected on the fourth-stage partition plate 11, the backing plate 12 is positioned in the middle of the fourth-stage partition plate 11, the two side plates 13 are positioned at two sides of the fourth-stage partition plate 11, a support 14 is connected between the backing plate 12 and the side plates 13, a rotating shaft 15 and a U-shaped shaft 16 which are of an integrated structure are rotatably connected in the support 14, an impeller 17 is fixedly sleeved on the rotating shaft 15, referring to the accompanying drawings 1 and 7, a cooling water tank 18 is arranged in the lower end of the battery pack 2, the cooling water tank 18 is of a flat structure and is fixedly nested in the battery pack 2, a water pipe 19 positioned on the backing plate 12 is communicated with the lower end of the cooling water pipe 19, a piston 20 which is slidably sleeved in the water pipe 19 is movably connected on the U-shaped shaft 16, there is displacement difference in the horizontal direction, thus drive the piston 20 to move back and forth in the water pipe 19 that sets up horizontally, in order to extrude the low temperature water in water pipe 19 and cooling water tank 18, make the low temperature water flow, in order to carry on the overall contact heat absorption to the battery package 2, the battery package 2 bottom end fixedly connects with the heat-conducting plate 21 that runs through the support 14, and set up one-level vent 22 and second grade vent 23 in four-level baffle 11 and the curb plate 13 respectively, it should be noted, under the influence of high temperature of the heat-conducting plate 21, make the space atmospheric pressure between four-level baffle 11 and battery package 2 reduce, and the outer low temperature high pressure of shell 1, under the influence of the pressure difference of inside and outside air, the outside cold air of shell 1 can enter shell 1 through one-level vent 22, the directional flow of cold air impacts impeller 17, thereby driving the impeller 17, the rotating shaft 15 and the U-shaped shaft 16 to rotate;

spring 24 has all been welded to the inner wall of 1 both sides of shell, and the welding has the buffer board 25 of slidable mounting in 1 both sides of shell on the spring 24, and the crisscross aluminium foil board 26 that distributes of equal fixedly connected with on limiting plate 3 and the buffer board 25, and has all seted up louvre 27 in 1 both sides of shell, and 1 lower extreme bolted connection of shell has mount pad 28.

It is worth mentioning that: the aluminum foil material is a low-temperature metal, the aluminum foil is a good thermal conductor, when the aluminum foil is in contact with a high-temperature object, high-temperature heat in the high-temperature object can be efficiently absorbed, and the loss of the heat is accelerated by utilizing the low-temperature property of the aluminum foil. In this technical scheme, the in-process that flows between high temperature hot gas flow buffer board 25 and the limiting plate 3 because aluminium foil board 26 sets up alternately, so increases the flow time of high temperature hot gas to make high temperature hot gas contact with low temperature aluminium foil board 26 is comprehensive in winding and meandering motion route, thereby utilize aluminium foil board 26 can carry out the heat absorption cooling to high temperature hot gas, thereby reduce the ambient temperature in the drive power supply.

The two limiting plates 3 are horizontally and vertically arranged, the primary partition plate 6, the secondary partition plate 7 and the tertiary partition plate 8 are horizontally arranged above the battery pack 2 from bottom to top so as to be convenient for arranging a heat conduction and alcohol solution filling structure in the shell 1, the heat consumption of the battery pack 2 is accelerated by utilizing the heat absorption and evaporation characteristics of the alcohol solution, and the four-stage partition plate 11 is horizontally arranged below the battery pack 2 so as to be convenient for arranging a cold and hot air flow replacement accelerating structure in the shell 1.

The U-shaped shaft 16 and the rotating shaft 15 are respectively positioned above and below the bracket 14, the U-shaped shaft 16 horizontally corresponds to the water pipe 19, and the piston 20 is driven to horizontally reciprocate by utilizing the displacement difference of the U-shaped shaft 16 in the rotating process, so that the low-temperature water body flows in the cooling water tank 18, and the contact range of the low-temperature water body with the battery pack 2 is enlarged.

The primary ventilation opening 22 is vertically provided with one side of the impeller 17 and extends to the outside of the casing 1 so as to facilitate the low-temperature airflow outside the casing 1 to enter the casing 1, and the horizontally provided secondary ventilation opening 23 and the heat conducting plate 21 are positioned at the other side of the impeller 17 so as to facilitate the high-temperature hot airflow inside the casing 1 to be discharged outwards, thereby forming the replacement of high-temperature and low-temperature air.

The springs 24 are horizontally distributed from top to bottom at equal intervals, and two ends of the buffer plate 25 are respectively and slidably abutted against the upper end and the lower end of the shell 1.

Limiting plate 3 and buffer board 25 are the network plate structure of seting up the mesh, and limiting plate 3 and buffer board 4 all can adopt insulating plastic material to make, through carrying on spacing fixed in order to reach the guard action to battery package 2, also be convenient for install the aluminium foil board 26 that has the cooling effect.

The heat dissipation holes 27 are obliquely formed in the two side walls of the housing 1 from top to bottom, so that the high-temperature hot air in the housing 1 can be exhausted out of the housing 1 through the heat dissipation holes 27, thereby reducing the accumulation of the high-temperature hot air.

The mounting seat 28 is horizontally connected to the lower end of the housing 1, and the mounting seat 28 is located below the primary vent 22, so that the ventilation of the primary vent 22 can be ensured.

The invention can be illustrated by the following operating modes:

firstly, in the power supply process of the driving power supply, the battery pack 2 continuously generates heat, the heat collecting plate 5 transmits the heat to the heat conducting rod 9, the alcohol solution absorbs the heat and evaporates under the influence of the heat transmitted by the heat conducting rod 9, the evaporated alcohol solution permeates between the secondary partition plate 7 and the tertiary partition plate 8 through the micropores 10, and the alcohol solution which absorbs the heat and evaporates is used for primarily cooling the battery pack 2;

secondly, the current-conducting plate 21 conducts heat synchronously to the battery pack 2, so that the air temperature on one side of the impeller 17 in the lower end of the shell 1 is increased and the air pressure is reduced, high-pressure low-temperature cold air outside the shell 1 enters the shell 1 through the primary vent 22, the impeller 17 is driven to rotate in the process of entering the cold air, and the impeller 17 drives the rotating shaft 15 to rotate in the same direction as the U-shaped shaft 16;

thirdly, the impeller 17 rotates to enable high-temperature hot gas in the lower end of the shell 1 to move to the position of the limiting plate 3 through the secondary vent 23, the limiting plate 3 and the buffer plate 25 are of a grid structure, the high-temperature hot gas moves to a position between the limiting plate 3 and the buffer plate 25 through the limiting plate 3, and the aluminum foil plates 26 are distributed in a crossed mode, so that the high-temperature hot gas is in overall contact with the aluminum foil plates 26 in the moving process, the temperature is reduced, and the gas after being reduced is discharged outwards through the heat dissipation holes 27;

fourthly, the U-shaped shaft 16 is rotated under the drive of the rotating shaft 15, because the U-shaped shaft 16 is of a bending structure and pulls the piston 20, the piston 20 extrudes a low-temperature water source in the water pipe 19 in the horizontal movement process, so that the low-temperature water source flows comprehensively in the cooling water tank 18, the contact area between the low-temperature water source and the battery pack 2 is increased, and the heat of the battery pack 2 is absorbed.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims

1. An LED driving power supply with high heat dissipation performance comprises a shell (1) and a battery pack (2), and is characterized in that the battery pack (2) is fixedly sleeved in the shell (1) of a hollow structure, limiting plates (3) welded with the shell (1) are fixedly connected to two sides of the battery pack (2), a groove (4) is formed in the upper end of the battery pack (2), a heat collecting plate (5) is fixedly nested in the groove (4), a primary partition plate (6), a secondary partition plate (7) and a tertiary partition plate (8) are respectively connected to the upper end between the two limiting plates (3), alcohol solution is filled between the primary partition plate (6) and the secondary partition plate (7), a heat conducting rod (9) penetrating through the primary partition plate (6) and extending into the alcohol solution is fixedly connected to the heat collecting plate (5), and a micropore (10) is formed in the secondary partition plate (7); a four-stage partition plate (11) is fixedly connected to the lower end between the two limiting plates (3), a base plate (12) and a side plate (13) connected with the battery pack (2) are respectively connected to the four-stage partition plate (11), a support (14) is connected between the base plate (12) and the side plate (13), a rotating shaft (15) and a U-shaped shaft (16) which are of an integrated structure are rotatably connected to the support (14), an impeller (17) is fixedly sleeved on the rotating shaft (15), a cooling water tank (18) is fixedly sleeved in the lower end of the battery pack (2), a water pipe (19) positioned on the base plate (12) is communicated with the lower end of the cooling water tank (18), a piston (20) which is slidably sleeved in the water pipe (19) is movably connected to the U-shaped shaft (16), a heat conducting plate (21) penetrating through the support (14) is fixedly connected to the lower end of the battery pack (2), and a primary vent (22) and a secondary vent (23) are respectively arranged in the four-stage partition plate (11) and the side plate (13);

spring (24) are all welded to shell (1) both sides inner wall, and have buffer board (25) of slidable mounting in shell (1) both sides on spring (24), aluminium foil plate (26) of equal fixedly connected with crisscross distribution on limiting plate (3) and buffer board (25), and all seted up louvre (27) in shell (1) both sides, shell (1) lower extreme bolted connection has mount pad (28).

2. The LED driving power supply with high heat dissipation performance as recited in claim 1, wherein the two limiting plates (3) are vertically disposed in a horizontal manner, the primary partition (6), the secondary partition (7) and the tertiary partition (8) are horizontally disposed from bottom to top above the battery pack (2), and the quaternary partition (11) is horizontally disposed below the battery pack (2).

3. The LED driving power supply with high heat dissipation performance as set forth in claim 1, wherein the U-shaped shaft (16) and the rotating shaft (15) are respectively positioned above and below the bracket (14), and the U-shaped shaft (16) horizontally corresponds to the water pipe (19).

4. The LED driving power supply with high heat dissipation performance as claimed in claim 2, wherein the primary ventilation opening (22) is vertically opened on one side of the impeller (17) and extends to the outside of the casing (1), and the horizontally opened secondary ventilation opening (23) and the heat conducting plate (21) are positioned on the other side of the impeller (17).

5. The LED driving power supply with high heat dissipation according to claim 4, wherein the springs (24) are horizontally and equidistantly distributed from top to bottom, and both ends of the buffer plate (25) are respectively in sliding contact with the upper and lower ends of the housing (1).

6. The LED driving power supply with high heat dissipation performance as recited in claim 5, wherein the limiting plate (3) and the buffer plate (25) are both of mesh plate structures with meshes.

7. The LED driving power supply with high heat dissipation performance as set forth in claim 5, wherein the heat dissipation holes (27) are obliquely formed in both side walls of the case (1) from top to bottom.

8. The LED driving power supply with high heat dissipation performance as recited in claim 7, wherein the mounting seat (28) is horizontally connected to the lower end of the housing (1), and the mounting seat (28) is located below the primary vent (22).