CN209196578U - A kind of LED light source device - Google Patents
A kind of LED light source device Download PDFInfo
- Publication number
- CN209196578U CN209196578U CN201822252603.7U CN201822252603U CN209196578U CN 209196578 U CN209196578 U CN 209196578U CN 201822252603 U CN201822252603 U CN 201822252603U CN 209196578 U CN209196578 U CN 209196578U
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- heat
- light source
- conducting part
- shell
- circuit board
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Abstract
The utility model discloses a kind of LED light source devices, comprising: radiator, the radiator include heat-conducting part and radiating part；Light supply apparatus, the light supply apparatus offset with the heat-conducting part；Shell, the shell are hollow structure, and the light supply apparatus is sealed in the shell, and the heat-conducting part is set in the shell, and the radiating part is set to outside the shell.By being provided with heat-conducting part inside the shell in the utility model, light supply apparatus and heat-conducting part are offseted, the heat of light source generation is quickly absorbed using heat-conducting part, again by with heat-conducting part one and be set to the radiating part of shell exterior the heat absorbed on heat-conducting part be dispersed into the external world, the heat that light source generates efficiently can be dispersed into the external world out of shell, improve the radiating efficiency of light source.
Description
Technical field
The utility model relates to technical fields of lighting fixtures, more specifically to a kind of LED light source device.
Background technique
LED light is widely used in many occasions due to having many advantages, such as high brightness, energy conservation.But LED light source is sent out
Heat is big, often needs to radiate otherwise to will lead to the raising of LED light temperature to guarantee its normal work, luminous efficiency reduces, service life contracting
It is short.
However, for some LED light applied under special occasions, such as applied to outdoor LED light, in order to protect
LED light is not influenced by foreign object, dust, rainwater etc., it will usually a shell be arranged outside LED light, for protecting LED light.And
LED light radiating efficiency provided with shell is low, and the meeting of working long hours is so that the LED light gathers a large amount of heat, and gathers a large amount of
Heat the light efficiency of LED can be made to reduce, further reduce LED service life.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of LED light source device, it is intended to solve traditional have
The technical issues of LED light radiating efficiency of shell is low, and LED light temperature is easy to cause to increase, and luminous efficiency reduces.
A kind of LED light source device provided by the utility model, comprising:
Radiator, the radiator include heat-conducting part and radiating part；
Light supply apparatus, the light supply apparatus offset with the heat-conducting part；
Shell, the shell are hollow structure, and the light supply apparatus is sealed in the shell, and the heat-conducting part is set
In in the shell, the radiating part is set to outside the shell.
Optionally, the heat-conducting part is hollow structure, and the top of the heat-conducting part is connect with the radiating part, described to lead
The bottom end opening in hot portion；
The light supply apparatus includes circuit board and light source driving circuit plate, and light source and the electricity are provided on the circuit board
Road plate fits in the lateral wall of the heat-conducting part, and the light source driving circuit plate is set in the heat-conducting part.
Optionally, the circuit board top is provided with the first conductive lug boss, and light source driving circuit plate top is set
It is equipped with the second conductive lug boss；
The radiating part bottom end is provided with the first groove and the second groove, and first lug boss is inserted into first groove
It is interior and be electrically connected with first groove, second lug boss be inserted into second groove and with second groove
Electrical connection, so that the circuit board is electrically connected with the light source driving circuit plate by the radiating part.
Optionally, multiple radiating surfaces are provided on the heat-conducting part lateral wall, the circuit board is set to the radiating surface
On, the heating column toward outer lug is provided between two adjacent radiating surfaces.
Optionally, the lateral wall of the heating column is arc surface shape, and multiple heating columns is outer on the heat-conducting part
Side wall is on the cylindrical surface of same cylindrical body, and the central axes of the cylindrical body are overlapped with the central axes of the heat-conducting part.
Optionally, the gap inside the heat-conducting part and the heat-conducting part periphery are filled with marine glue, for sealing
The heat-conduction circuit board and the light source driving circuit plate.
Optionally, the gap inside the heat-conducting part and the heat-conducting part periphery are filled with marine glue, for sealing
The heat-conduction circuit board and the light source driving circuit plate；
The outer surface of the heating column is exposed to outside marine glue, for conducting heat in extraneous air.
Optionally, shell is additionally provided with outside the heat-conducting part, the shell is hollow structure and the housing top end is open,
The housing top end opening and the radiating part are tightly connected, for the heat-conducting part to be sealed in the shell；
Hollow out is provided at least one thermal vias on the lateral wall of the shell, and the heating column is from the thermal vias
It leans out and is exposed in extraneous air, the gap between the side wall of the heating column and the marginal portion of the thermal vias is close
Envelope has marine glue.
Optionally, the outer casing bottom is provided with plug-in through-hole, and light source driving circuit board bottom portion is provided with conductive pin,
The conductive pin leans out from the plug-in through hole and connect with extraneous power supply；
Gap sealing setting between the conductive pin and the plug-in through-hole.
Optionally, sealed set has waterproof washer between the radiating part and the shell.
As can be seen from the above technical solutions, the utility model has the following beneficial effects:
By being provided with heat-conducting part inside the shell in the utility model, light supply apparatus and heat-conducting part are offseted, using leading
Hot portion quickly absorbs the heat of light source generation, then by with heat-conducting part one and be set to the radiating part of shell exterior for heat-conducting part
The heat of upper absorption is dispersed into the external world, and the heat that light source generates efficiently can be dispersed into the external world out of shell, improve light
The radiating efficiency in source.
Detailed description of the invention
Below in conjunction with accompanying drawings and embodiments, the utility model is described in further detail, in attached drawing:
Fig. 1 is a kind of structural schematic diagram of LED light source device provided by the embodiment of the utility model；
Fig. 2 is a kind of structural blast schematic diagram of LED light source device provided by the embodiment of the utility model；
Fig. 3 is a kind of bottom view of radiating part provided by the embodiment of the utility model；
Fig. 4 is a kind of structural blast schematic diagram of light supply apparatus provided by the embodiment of the utility model；
Fig. 5 is a kind of structural schematic diagram of shell provided by the embodiment of the utility model；
Fig. 6 is a kind of another structural schematic diagram of shell provided by the embodiment of the utility model.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.
It should be appreciated that specific embodiment described herein is only used to explain the utility model, it is not used to limit this
Utility model.It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element
On one element or it may be simultaneously present centering elements.When an element is known as " being connected to " another element, it can
To be directly to another element or may be simultaneously present centering elements.It should also be noted that, the utility model is real
Apply the positional terms such as left and right, upper and lower in example, be only each other relative concept or with the normal operating condition of product for reference
, and should not be regarded as restrictive.
It is refering to fig. 1 a kind of structural schematic diagram of LED light source device provided by the embodiment of the utility model to 3, Fig. 1；Fig. 2
For a kind of structural blast schematic diagram of LED light source device provided by the embodiment of the utility model；Fig. 3 is the utility model embodiment
A kind of bottom view of the radiating part provided.
A kind of LED light source device provided by the embodiment of the utility model, comprising: radiator 1, light supply apparatus 2 and shell 3,
The radiator 1 includes heat-conducting part 11 and radiating part 12；The light supply apparatus 2 offsets with the heat-conducting part 11, heat-conducting part 11
The heat on light supply apparatus 2 can quickly be absorbed；The shell 3 is hollow structure, and the light supply apparatus 2 is sealed at described
In shell 3, the heat-conducting part 11 is set in the shell 3, and the radiating part 12 is set to outside the shell 3.Wherein, heat-conducting part 11
It is integrated design with radiating part 12, heat-conducting part 11 absorbs the heat on light supply apparatus 2, and is rapidly transferred to radiating part 12
On, the external world is distributed heat to by radiating part 12.
In a kind of optional embodiment, the heat-conducting part 11 be hollow structure, and the top of the heat-conducting part 11 with
The radiating part 12 connects, the bottom end opening of the heat-conducting part 11；The light supply apparatus 2 includes circuit board 21 and light source driving electricity
Road plate 22, is provided with light source 211 on the circuit board 21 and the circuit board 21 fits in the lateral wall of the heat-conducting part 11, institute
Light source driving circuit plate 22 is stated to be set in the heat-conducting part 11.It is thermally conductive since the inside of heat-conducting part 11 is hollow structure
11 inner space of portion can be used, and the light source driving circuit plate 22 can be set inside the heat-conducting part 11, a side
Face can be realized the protection to light source driving circuit plate 22 by heat-conducting part 11；It on the other hand can also be rationally using in heat-conducting part 11
Portion space reduces the volume of LED light source device.
It specifically, can be a kind of structure of light supply apparatus provided by the embodiment of the utility model refering to Fig. 3 and Fig. 4, Fig. 4
Perspective view of the explosion.Wherein, heat-conducting part 11 has been concealed in Fig. 3, only shows radiating part 12.21 top of circuit board is provided with conduction
The first lug boss 212,22 top of light source driving circuit plate is provided with the second conductive lug boss 221；The radiating part
12 bottom ends are provided with the first groove 121 and the second groove 122, and first lug boss 212 on 21 top of heat-conduction circuit board is inserted into heat dissipation
It is electrically connected in first groove 121 of 12 bottom end of portion and with first groove 121, the second of 22 top of light source driving circuit plate
Lug boss 221 is inserted into the second groove 122 of 12 bottom end of radiating part and is electrically connected with second groove 122, so that
The heat-conduction circuit board 21 is electrically connected with the light source driving circuit plate 22 by the radiating part 12.It is understood that
Radiating part 12 itself can be an electric conductor, can be by heat dissipation performance and electric conductivity preferable metal material (such as aluminium
Or copper) be made, when the second lug boss 221 is inserted into the second groove 122, the second groove 122 and the second lug boss 221 are electrical
Connection, the second groove 122 can then be considered as the driving signal input mouth of radiating part 12, and radiating part 12 itself can play conduction
The effect of signal is transmitted, then the first groove 121 can be considered as the driving signal output end mouth of radiating part 12, with the first groove 121
First lug boss 212 of electrical connection can then obtain corresponding driving signal, and be transmitted at light source, so that light source can be with work
It illuminates.By the setting of the first groove 121 and the second groove 122 on radiating part 12, on the one hand realizes radiating part 12 and increasing
Driving signal can also be transmitted by adding while heat dissipation area, be avoided between heat-conduction circuit board 21 and light source driving circuit plate 22
Many and diverse wiring is set, so that overall structure is simplified and occupies little space；On the other hand due to groove and lug boss cooperation,
The position of heat-conduction circuit board 21 and light source driving circuit plate 22 can also be limited, heat-conduction circuit board 21 is avoided to radiate
Sliding or light source driving circuit plate 22 are in 11 inside shaking of heat-conducting part on face.
In the utility model embodiment, in order to avoid the conduction of radiating part 12 is influenced with foreign matter on radiating part 12
One layer of insulated paint can be plated at rate, the outer surface on 12 top of radiating part and the inner surface of bottom end, so that radiating part 12
Outer surface and inner surface it is non-conductive, and the first groove 121 of 12 bottom end of radiating part and the second groove 122 are not coated with then absolutely
The normal transmission of driving signal may be implemented in edge paint.
In a kind of optional embodiment, in order to improve the illumination effect of light supply apparatus 2, it can be installed in shell 3
Multiple light sources are provided with multiple thermal conductive surfaces on the heat carrier lateral wall, are provided between two adjacent thermal conductive surfaces toward evagination
The heating column 111 risen, the top of the heating column 111 and the bottom of the heat dissipation end cap offset.For scheming, on heat carrier
There are three thermal conductive surfaces for setting, and are provided with a heating column 111 between thermal conductive surface two-by-two, and there are three heating columns 111 altogether.Wherein,
The area of first circuit board 21 can be set to it is essentially identical with the area of thermal conductive surface, since the left and right sides of each thermal conductive surface is equal
It is provided with the heating column 111 toward outer lug, heating column 111 can also play the role of limit, i.e. thermal conductive surface can be considered as one
The left and right sides is equipped with the slot of limited post, and first circuit board 21 is installed in the slot.Wherein, first circuit board 21 can only be from leading
It is inserted on thermal conductive surface above or below hot face, can be avoided first circuit board 21 and move left and right.In addition, being arranged toward outer lug
Heating column 111 increase the heat accumulation area of heat carrier, can quickly absorb more heats on first circuit board 21, reduce by the
Temperature on one circuit board 21, ensures the working environment of light source.
In addition, reducing space occupied by light supply apparatus 2, the outside of the heating column 111 to reduce the volume of heat carrier
Wall can be arc surface shape, and the lateral wall of multiple heating columns 111 is in the circle of same cylindrical body on the heat carrier
On cylinder, the central axes of the cylindrical body are overlapped with the central axes of the heat carrier.Multiple heating columns 111 are designed as central axes
Consistent arc surface shape not only ensure that the heat-conducting area of heating column 111 can be as large as possible, but also reduce heat carrier entirety
Volume, avoid 2 occupied space of light supply apparatus excessive.In addition, after heating column 111 is set as arc surface shape, 111 liang of heating column
The inner wall of side can limit the position of first circuit board 21 in radial directions, i.e., guarantee first circuit board 21 is whole
A face is tightly attached on thermal conductive surface, avoids between first circuit board 21 and thermal conductive surface that there are gaps.
In some usage scenarios, such as outdoor lighting, it often may require that LED light source device 2 has the function of waterproof, with
Exempt from when raining or fog is larger, LED light source device 2 can not normal use.Therefore, anti-to have light supply apparatus 2
Water function, in a kind of optional embodiment provided by the embodiment of the utility model, gap, institute inside the heat-conducting part 11
It states the gap between heat-conducting part 11 and the radiating part 12 and 11 periphery of the heat-conducting part and is filled with marine glue, for sealing
The heat-conduction circuit board 21 and the light source driving circuit plate 22.
In a kind of optional embodiment, when being provided with heating column 111 on heat-conducting part 11, in order to realize waterproof
Meanwhile and can guarantee the heat dissipation effect of heating column 111, it can be in the gap inside the heat-conducting part 11, the heat-conducting part 11
Gap and 11 periphery of the heat-conducting part between the radiating part 12 are filled with marine glue, for sealing the thermally conductive electricity
Road plate 21 and the light source driving circuit plate 22；The outer surface of the heating column 111 is exposed to outside marine glue, for passing heat
It is directed in extraneous air, i.e. the outer surface of heating column 111 is not covered with marine glue, will not influence heating column 111 and dissipates heat
It is sent in outside air.Specifically, the heat-conducting part 11 for being provided with heating column 111 can be placed in one has cylindrical cavity
It is also provided with the groove to match with the heating column 111 of protrusion in mold, on the inner sidewall of the mold, is filled to mould inside
During glue, is ensconced due to heating column 111 in the groove of mould inside, 111 surface of heating column can be made not to be covered with
Marine glue is covered with marine glue on 21 surface of heat-conduction circuit board only on the outside of radiating surface.In addition it is also possible to heat-conducting part 11
Periphery cover upper marine glue after, the marine glue on 111 surface of heating column is scraped off using the hard object such as pocket knife, so that heating column 111
Surface be exposed in air, realize rapid cooling.
It can be a kind of structural schematic diagram of shell provided by the embodiment of the utility model refering to Fig. 5, Fig. 5.One kind can
In the embodiment of choosing, when being provided with heating column 111 on heat-conducting part 11, in order to while realizing waterproof, and it can guarantee
The heat dissipation effect of heating column 111, the heat-conducting part 11 are additionally provided with shell 3 outside, and the shell 3 is hollow structure and the shell
3 top end openings are tightly connected at 3 top end opening of shell with the radiating part 12, for setting the heat-conducting part 11 sealing
It is placed in the shell 3；In addition, hollow out is provided at least one thermal vias 31 on the lateral wall of the shell 3, it is described to lead
Plume 111 leans out from the thermal vias 31 and is exposed in extraneous air, the side wall of the heating column 111 and the heat dissipation
Gap seals between the marginal portion of through-hole 31 have marine glue.Since heating column 111 is visited from the thermal vias 31 of shell 3
Out, normal heat exchange can be realized with extraneous air, quickly distribute heat into air；In addition heating column 111 and heat dissipation are logical
Gap seals between hole 31 have marine glue, and rainwater can not enter in shell 3 from gap, realize seamless waterproof, both have both
The function of rapid cooling, and had both the function of waterproof.It is worth noting that, the lateral surface of heating column 111 is tightly attached to shell 3
Inner sidewall, therefore when being provided with thermal vias 31 on the side wall of shell 3, the gap between heating column 111 and shell 3 is smaller,
It can be sealed easily with marine glue.
It can be a kind of another structural schematic diagram of shell provided by the embodiment of the utility model refering to Fig. 6, Fig. 6.In order to
It is connect convenient for light source driving circuit plate 22 with extraneous power supply, realizes the power supply of light source driving circuit plate 22,3 bottom of shell
It is provided with plug-in through-hole 32,22 bottom of light source driving circuit plate is provided with conductive pin 222, and the conductive pin 222 is from institute
It states and leans out at plug-in through-hole 32 and connect with extraneous power supply；When using light supply apparatus 2, it is only necessary to will be stuck in outside shell 3
Conductive pin 222 is inserted into the matched power supply for light source driving circuit plate 22 in electrical outlet, can be realized, and guarantees light source
Normal luminous.In addition, in order to avoid rainwater, water mist etc. enter in transparent outer cover 3 from the plug-in through-hole 32 of 3 bottom of shell
Portion, the gap sealing between the conductive pin 222 and the plug-in through-hole 32 are provided with marine glue.In assembling process,
It, can be in the outside of shell 3 by conductive pin 222 and plug-in by conductive pin 222 after leaning out and fixing in plug-in through-hole 32
Tiny gap is sealed using the marine glue of liquid and is blocked between through-hole 32, and plug-in can be realized after marine glue solidification
The sealing waterproof of through-hole 32.
In addition, in order to guarantee the sealed waterproof effect between radiating part 12 and shell 3, the radiating part 12 and the shell
Sealed set has waterproof washer 4 between 3, enters from the gap of radiating part 12 and shell 3 to avoid rainwater.In addition it is also possible to
Marine glue is coated on gap between radiating part 12 and shell 3, to be sealed waterproof.
The embodiments of the present invention are described above in conjunction with attached drawing, but the utility model is not limited to
The specific embodiment stated, the above mentioned embodiment is only schematical, rather than restrictive, this field it is common
Technical staff is not departing from the utility model aims and scope of the claimed protection situation under the enlightenment of the utility model
Under, many forms can be also made, these are belonged within the protection of the utility model.
Claims (10)
1. a kind of LED light source device characterized by comprising
Radiator, the radiator include heat-conducting part and radiating part；
Light supply apparatus, the light supply apparatus offset with the heat-conducting part；
Shell, the shell are hollow structure, and the light supply apparatus is sealed in the shell, and the heat-conducting part is set to institute
It states in shell, the radiating part is set to outside the shell.
2. LED light source device according to claim 1, which is characterized in that the heat-conducting part is hollow structure, and described is led
The top in hot portion is connect with the radiating part, the bottom end opening of the heat-conducting part；
The light supply apparatus includes circuit board and light source driving circuit plate, and light source and the circuit board are provided on the circuit board
The lateral wall of the heat-conducting part is fitted in, the light source driving circuit plate is set in the heat-conducting part.
3. LED light source device according to claim 2, which is characterized in that the circuit board top is provided with conductive the
One lug boss, light source driving circuit plate top are provided with the second conductive lug boss；
The radiating part bottom end is provided with the first groove and the second groove, and first lug boss is inserted into first groove simultaneously
It is electrically connected with first groove, second lug boss is inserted into second groove and electrical with second groove
Connection, so that the circuit board is electrically connected with the light source driving circuit plate by the radiating part.
4. LED light source device according to claim 3, which is characterized in that be provided on the heat-conducting part lateral wall multiple
Radiating surface, the circuit board are set on the radiating surface, are provided between two adjacent radiating surfaces toward the thermally conductive of outer lug
Column.
5. LED light source device according to claim 4, which is characterized in that the lateral wall of the heating column is arc surface shape
Shape, the lateral wall of multiple heating columns is on the cylindrical surface of same cylindrical body on the heat-conducting part, the cylindrical body
Central axes are overlapped with the central axes of the heat-conducting part.
6. LED light source device according to claim 2, which is characterized in that gap inside the heat-conducting part and described
Heat-conducting part periphery is filled with marine glue, for sealing the circuit board and the light source driving circuit plate.
7. LED light source device according to claim 5, which is characterized in that gap inside the heat-conducting part and described
Heat-conducting part periphery is filled with marine glue, for sealing the circuit board and the light source driving circuit plate；
The outer surface of the heating column is exposed to outside marine glue, for conducting heat in extraneous air.
8. LED light source device according to claim 5, which is characterized in that it is additionally provided with shell outside the heat-conducting part, it is described
Shell is hollow structure and the housing top end is open, and the housing top end opening and the radiating part are tightly connected, and is used for
The heat-conducting part is sealed in the shell；
Hollow out is provided at least one thermal vias on the lateral wall of the shell, and the heating column is leant out from the thermal vias
And be exposed in extraneous air, the gap seals between the side wall of the heating column and the marginal portion of the thermal vias have
Marine glue.
9. LED light source device according to claim 8, which is characterized in that the outer casing bottom is provided with plug-in through-hole, described
Light source driving circuit board bottom portion is provided with conductive pin, the conductive pin leant out from the plug-in through hole and with extraneous power supply
Connection；
Gap sealing setting between the conductive pin and the plug-in through-hole.
10. LED light source device according to claim 9, which is characterized in that sealed between the radiating part and the shell
It is provided with waterproof washer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822252603.7U CN209196578U (en) | 2018-12-29 | 2018-12-29 | A kind of LED light source device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822252603.7U CN209196578U (en) | 2018-12-29 | 2018-12-29 | A kind of LED light source device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209196578U true CN209196578U (en) | 2019-08-02 |
Family
ID=67430820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822252603.7U Active CN209196578U (en) | 2018-12-29 | 2018-12-29 | A kind of LED light source device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209196578U (en) |
-
2018
- 2018-12-29 CN CN201822252603.7U patent/CN209196578U/en active Active
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