WO2022021567A1

WO2022021567A1 - Thin-walled cavity-type convection heat dissipating led lamp housing

Info

Publication number: WO2022021567A1
Application number: PCT/CN2020/115448
Authority: WO
Inventors: 周福珍
Original assignee: 苏州讯能光电科技有限公司
Priority date: 2020-07-30
Filing date: 2020-09-16
Publication date: 2022-02-03
Also published as: CN111853729A; CN111853729B

Abstract

The present invention relates to the technical field of lamp heat dissipation, and specifically relates to a thin-walled cavity-type convection heat dissipating LED lamp housing, comprising a mounting plate; the front side of the mounting plate is fixedly connected to a lamp holder provided for the placement of an illuminating lamp; the outer side of the lamp holder is provided with a housing bolted to the mounting plate; a heat dissipation mechanism is arranged at left and right ends of the inner side of the housing; the rear side of the mounting plate is fixedly connected to a connecting frame, and the inner side of the connecting frame is provided with a cooling mechanism. By means of providing a heat dissipation mechanism, the present invention uses a cooling fan to discharge air inside a device, quicken internal air circulation, reduce heat buildup inside the lamp housing, and prevent the lamp from being damaged by high temperatures. By means of providing a cooling mechanism, the present invention can further enhance the heat dissipation capabilities of the device, and effectively extend the service life of the lamp. By means of providing a sealing ring, the present invention can enhance the sealing performance of the device, prevent the leakage of the cooling water during the flowing process, and enhance the use stability of the lamp. By means of providing a second cooling pipe, the present invention can cool the lamp holder.

Description

A thin-wall cavity type convection heat dissipation LED lamp housing

technical field

The invention relates to the technical field of heat dissipation of lamps, in particular to a thin-wall cavity type convection heat dissipation LED lamp housing.

Background technique

LED lights refer to lamps that use light-emitting diodes as light sources, which can directly convert electricity into light. Generally, silver glue or white glue is used to cure the semiconductor LED on the bracket, then silver or gold wire is used to connect the chip and circuit board, and epoxy resin is used to seal the surrounding to protect the inner core wire. LED lights have the advantages of energy saving, longevity, environmental protection, shock resistance, etc., and can directly emit seven colors of light, which are usually used in traffic lights, display screens, car lights and other fields. LED lamp housing is a kind of LED accessories, which is a protective cover to better gather the light, make the light more concentrated, and reduce the damage of the light to the eyes. The LED lamp housing is not only used to cover the lamp to gather the light together, but also to prevent electric shock and protect the eyes, so each lamp will have a lamp housing.

At present, thin-walled cavity LED lamps are widely used, which greatly improves the aesthetics of the lamps while saving space. However, the existing thin-walled cavity LED lamp housings have small internal space and poor heat dissipation, resulting in Lamps are easy to cause heat accumulation when they emit light and heat for a long time, and high temperature will damage the lamps and reduce the service life of lamps. Therefore, in view of the above situation, it is urgent to develop a thin-walled cavity convection cooling LED lamp housing. In order to overcome the deficiencies in current practical applications.

technical problem

Type a technical problem description paragraph here.

technical solutions

The purpose of the present invention is to provide a thin-wall cavity type convection heat dissipation LED lamp housing to solve the above-mentioned problems in the background art.

To achieve the above object, the present invention provides the following technical solutions:

A thin-walled cavity type convection heat dissipation LED lamp housing, comprising a mounting plate, the front side of the mounting plate is fixedly connected with a lamp holder for placing the lighting lamp, and the outer side of the lamp holder is provided with a housing bolted to the mounting plate, so the The left and right ends of the inner side of the housing are provided with heat dissipation mechanisms, the rear side of the mounting plate is fixedly connected with a connection frame, and the inner side of the connection frame is provided with a cooling mechanism.

As a further solution of the present invention: the heat dissipation mechanism includes heat dissipation pipes fixedly connected to the left and right ends of the inner side of the casing, the inner side of the heat dissipation pipe is bolted and provided with a cooling fan, and the inner side of the connection between the casing and the heat dissipation pipe is provided with several The air outlet is fixedly connected with an air intake box at the bottom of the casing.

As a further solution of the present invention: a plurality of air inlets are arranged at the bottom of the air inlet box, a filter screen is fixedly connected to the inner side of the air inlet box, an activated carbon filter layer is clamped on the inner side of the air inlet box, and the inlet An air intake pipe is fixedly connected between the top end of the air box and the casing.

As a further solution of the present invention: the cooling mechanism includes a water tank bolted on the inner side of the connection frame, a water pump is bolted on the left side of the water tank, the input end of the water pump is connected to the water tank, and the output end of the water pump passes through a water conduit It is connected with the first cooling pipe which is fixedly connected and arranged inside the shell, the output end of the first cooling pipe is connected with the condenser arranged inside the connection frame through the return pipe, and the output end of the condenser is connected with the water tank.

As a further solution of the present invention: a connecting pipe is fixedly connected to the outer side of one end of the first cooling pipe, the water conduit and the return pipe, the outer edge of the top of the connecting pipe is provided with a groove, and the inner side of the groove is provided with a seal lock up.

As a further solution of the present invention, a second cooling pipe is arranged inside the lamp holder, and the input end and the output end of the second cooling pipe are respectively connected to the water conduit and the return pipe through branch pipes.

As a further solution of the present invention: a heat-absorbing plate fixedly connected to the water tank is arranged between the water pump and the water tank, the condenser and the water tank, and a heat-conducting pipe is fixedly connected to the front side of the heat-absorbing plate, and the heat-conducting pipe is close to the heat dissipation A number of cooling fins are fixedly connected to the outside of one end of the tube.

Compared with the prior art, the beneficial effects of the present invention are:

1. By setting a heat dissipation mechanism, the air inside the device is exhausted by a heat dissipation fan, which speeds up the internal air circulation, reduces the accumulation of heat inside the lamp housing, and avoids damage to the lamp due to high temperature;

2. By setting the air intake box, the air entering the device can be purified by using the filter screen and the activated carbon filter layer, so as to prevent the dust in the air from entering the device and reducing the heat dissipation efficiency of the device;

3. By setting the cooling mechanism, the heat dissipation capacity of the device can be further enhanced, and the service life of the lamp can be effectively improved. By setting the sealing ring, the sealing performance of the device can be enhanced, and the leakage of cooling water can be avoided during the flow process, which can enhance the stability of the use of the lamp. The lamp holder can be cooled by setting the second cooling pipe;

4. By setting the heat-absorbing plate, heat-conducting pipe and heat-dissipating fins, the heat generated during the operation of the water pump and the condenser can be exported, which is beneficial to improve the operation stability of the cooling mechanism and improve the heat-dissipation efficiency.

Description of drawings

FIG. 1 is a schematic structural diagram of a thin-wall cavity type convection heat dissipation LED lamp housing.

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 .

FIG. 3 is a front view of a thin-wall cavity type convection heat dissipation LED lamp housing.

FIG. 4 is a schematic three-dimensional structure diagram of a thin-wall cavity type convection heat dissipation LED lamp housing.

In the picture: 1- mounting plate, 2- mounting hole, 3- housing, 4- transparent glass, 5- lamp holder, 6- lighting lamp, 7- air outlet, 8- cooling pipe, 9- cooling fan, 10 -Intake pipe, 11-connection frame, 12-water tank, 13-water pump, 14-water pipe, 15-first cooling pipe, 16-return pipe, 17-condenser, 18-heat absorption plate, 19-heat conduction pipe, 20- cooling fin, 21- second cooling pipe, 22- branch pipe, 23- connecting pipe, 24- groove, 25- sealing ring, 26- air intake box, 27- air inlet, 28- filter screen, 29 - Activated carbon filter layer.

Embodiments of the present invention

The technical solution of the present patent will be described in further detail below in conjunction with specific embodiments.

Embodiments of the present patent are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present patent, but should not be construed as a limitation on the present patent.

Example 1

Referring to FIGS. 1-4 , in an embodiment of the present invention, a thin-walled cavity type convection heat dissipation LED lamp housing includes a mounting plate 1 , and a lamp holder 5 for placing a lighting lamp 6 is fixedly connected to the front side of the mounting plate 1 . , the outer side of the lamp holder 5 is provided with a housing 3 bolted to the mounting plate 1, the left and right ends of the inner side of the housing 3 are provided with heat dissipation mechanisms, and the rear side of the mounting plate 1 is fixedly connected with a connection frame 11, A cooling mechanism is provided inside the connection frame 11 .

Example 2

In this embodiment, the heat dissipation mechanism includes heat dissipation pipes 8 fixedly connected to the left and right ends of the inner side of the housing 3 . The inner side of the heat dissipation pipe 8 is bolted and provided with a cooling fan 9 . A number of air outlets 7 are arranged on the inside, and the bottom of the housing 3 is fixedly connected with an air intake box 26. By setting a heat dissipation mechanism, the air inside the device is discharged by a heat dissipation fan 9, which speeds up the internal air circulation and reduces the heat accumulation inside the lamp housing. , to avoid high temperature damage to lamps.

In this embodiment, a plurality of air inlets 27 are provided at the bottom of the air inlet box 26 , a filter screen 28 is fixedly connected to the inner side of the air inlet port 27 , and an activated carbon filter layer 29 is snap-fitted to the inner side of the air inlet box 26 . , an air intake pipe 10 is fixedly connected between the top of the air intake box 26 and the housing 3. By setting the air intake box 26, the filter screen 28 and the activated carbon filter layer 29 can be used to purify the air entering the inside of the device to avoid air pollution. The dust in the device enters the inside of the device, which reduces the heat dissipation efficiency of the device.

In this embodiment, the cooling mechanism includes a water tank 12 bolted to the inner side of the connection frame 11 , a water pump 13 is bolted to the left side of the water tank 12 , the input end of the water pump 13 is connected to the water tank 12 , and the water pump 13 The output end is connected to the first cooling pipe 15 fixedly connected to the inner side of the housing 3 through the water conduit 14, and the output end of the first cooling pipe 15 is connected to the condenser 17 arranged inside the connection frame 11 through the return pipe 16, so The output end of the condenser 17 is connected to the water tank 12, and by setting the cooling mechanism, the heat dissipation capability of the device can be further enhanced, and the service life of the lamp can be effectively improved.

In this embodiment, a connecting pipe 23 is fixedly connected to the outer side of one end of the first cooling pipe 15 that is connected to the water conduit 14 and the return pipe 16 , and a groove 24 is provided on the outer edge of the top end of the connecting pipe 23 . The inner side of 24 is provided with a sealing ring 25. By arranging the sealing ring 25, the sealing performance of the device can be enhanced, the leakage of cooling water during the flow can be avoided, and the stability of the use of the lamp can be enhanced.

In this embodiment, a second cooling pipe 21 is provided inside the lamp holder 5 , and the input end and the output end of the second cooling pipe 21 are respectively connected to the water conduit 14 and the return pipe 16 through the branch pipe 22 . The tube 21 can cool the lamp holder 5 .

In this embodiment, a heat absorbing plate 18 fixedly connected to the water tank 12 is provided between the water pump 13 and the water tank 12 , the condenser 17 and the water tank 12 , and a heat-conducting pipe 19 is fixedly connected to the front side of the heat absorbing plate 18 , a number of heat dissipation fins 20 are fixedly connected to the outer side of one end of the heat pipe 19 close to the heat pipe 8. By setting the heat absorption plate 18, the heat pipe 19 and the heat dissipation fins 20, the heat generated when the water pump 13 and the condenser 17 are running can be dissipated. The heat dissipation is beneficial to improve the operation stability of the cooling mechanism and improve the heat dissipation efficiency. By arranging the condenser 17, the water in the water tank 12 can always be kept at a low temperature, thereby ensuring the effectiveness of the cooling mechanism operation.

In this embodiment, the left and right ends of the mounting plate 1 are provided with a plurality of mounting holes 2 .

In this embodiment, a transparent glass 4 is fixedly connected to the inner side of the front end of the casing 3 .

The thin-wall cavity type convection heat dissipation LED lamp housing, by setting the heat dissipation mechanism, uses the cooling fan 9 to discharge the air inside the device, accelerates the internal air circulation, reduces the accumulation of heat inside the lamp housing, and avoids high temperature damage to the lamp, by setting the air intake box 26 , it can purify the air entering the device, and prevent the dust in the air from entering the device and reduce the heat dissipation efficiency of the device. By setting a cooling mechanism, the heat dissipation capacity of the device can be further enhanced, and the service life of the lamp can be effectively improved. By setting a sealing ring 25. It can enhance the sealing performance of the device, avoid the leakage of cooling water during the flow, and enhance the stability of the lamp. The heat conduction pipe 19 and the heat dissipation fins 20 can dissipate the heat generated when the water pump 13 and the condenser 17 operate, which is beneficial to improve the operation stability of the cooling mechanism and improve the heat dissipation efficiency.

The working principle of the present invention is as follows: when the lamp is in use, start the cooling fan 9, and use the cooling fan 9 to discharge the air inside the device, which can speed up the internal air circulation, thereby reducing the accumulation of heat inside the lamp housing, avoiding high temperature damage to the lamp, and the outside air passing through The air intake box 26 enters the inside of the housing 3, and the filter screen 28 and the activated carbon filter layer 29 arranged on the inside of the air intake box 26 can purify the air entering the device, so as to prevent dust in the air from entering the device and reducing the heat dissipation efficiency of the device , the cooling mechanism can further enhance the heat dissipation capacity of the device, start the water pump 13, the water pump 13 pumps out the water in the water tank 12, the water flows along the water conduit 14, and part of the water enters the first cooling pipe 15 from the connecting pipe 23 to remove the inside of the casing 3 It can absorb the heat of the lamp holder 5, thereby greatly improving the heat dissipation capacity of the device and effectively improving the service life of the lamp. , The heat absorbing plate 18 between the condenser 17 and the water tank 12 absorbs the heat generated when the water pump 13 and the condenser 17 are running, and the absorbed heat is transferred to the heat dissipation fins 20 along the heat pipe 19. Under the action of the heat dissipation fan 9 This part of the heat can be discharged, which is beneficial to improve the operation stability of the cooling mechanism and improve the heat dissipation efficiency.

The above are only the preferred embodiments of the present invention. It should be pointed out that for those skilled in the art, some modifications and improvements can be made without departing from the concept of the present invention, and these should also be regarded as the protection of the present invention. scope, these will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims

A thin-wall cavity type convection heat dissipation LED lamp housing, comprising a mounting plate (1), characterized in that a lamp holder (5) for placing a lighting lamp (6) is fixedly connected to the front side of the mounting plate (1), The outer side of the lamp holder (5) is provided with a housing (3) bolted to the mounting plate (1). The side fixed connection is provided with a connection frame (11), and a cooling mechanism is arranged on the inner side of the connection frame (11).
The thin-walled cavity type convection heat dissipation LED lamp housing according to claim 1, wherein the heat dissipation mechanism comprises heat dissipation pipes (8) fixedly connected to the left and right ends of the inner side of the casing (3), and the heat dissipation pipes ( 8) A cooling fan (9) is provided in the inner bolt connection, a plurality of air outlets (7) are arranged on the inner side of the connection between the housing (3) and the cooling pipe (8), and the bottom of the housing (3) is fixedly connected with a set of air outlets (7). Air intake box (26).
The thin-walled cavity type convection heat dissipation LED lamp housing according to claim 2, wherein a plurality of air inlets (27) are arranged at the bottom of the air inlet box (26), and the inner side of the air inlet (27) is fixed A filter screen (28) is provided in connection, an activated carbon filter layer (29) is provided in the inner side of the air intake box (26) by clamping, and a fixed connection between the top of the air intake box (26) and the casing (3) is provided with an activated carbon filter layer (29). Intake pipe (10).
The thin-walled cavity type convection heat dissipation LED lamp housing according to claim 1, wherein the cooling mechanism comprises a water tank (12) bolted to the inner side of the connection frame (11), and the left side of the water tank (12) The bolt connection is provided with a water pump (13), the input end of the water pump (13) is connected with the water tank (12), and the output end of the water pump (13) is fixedly connected to a water pump (13) arranged on the inner side of the casing (3) through a water conduit (14). A first cooling pipe (15) is connected, and the output end of the first cooling pipe (15) is connected to a condenser (17) arranged inside the connection frame (11) through a return pipe (16), the condenser (17) The output end is connected to the water tank (12).
The thin-walled cavity type convection heat dissipation LED lamp housing according to claim 4, characterized in that, the first cooling pipe (15) is fixedly connected with the water conduit (14) and the return pipe (16) on the outside of one end of the connection end. The connecting pipe (23) is provided with a groove (24) on the outer edge of the top end of the connecting pipe (23), and a sealing ring (25) is provided on the inner side of the groove (24).
The thin-walled cavity type convection heat dissipation LED lamp housing according to claim 5, characterized in that a second cooling pipe (21) is arranged inside the lamp holder (5), and an input end of the second cooling pipe (21) is provided. and the output end are respectively connected with the water conduit (14) and the return pipe (16) through the branch pipe (22).
The thin-walled cavity type convection heat dissipation LED lamp housing according to claim 4, characterized in that a water tank is provided between the water pump (13) and the water tank (12), the condenser (17) and the water tank (12). (12) A heat-absorbing plate (18) fixedly connected, a heat-conducting pipe (19) is fixedly connected on the front side of the heat-absorbing plate (18), and the heat-conducting pipe (19) is fixedly connected to the outer side of one end of the heat-dissipating pipe (8) A number of cooling fins (20) are provided.