CN109539025A - Can double-side LED spotlight - Google Patents
Can double-side LED spotlight Download PDFInfo
- Publication number
- CN109539025A CN109539025A CN201811384186.XA CN201811384186A CN109539025A CN 109539025 A CN109539025 A CN 109539025A CN 201811384186 A CN201811384186 A CN 201811384186A CN 109539025 A CN109539025 A CN 109539025A
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- China
- Prior art keywords
- led
- heat
- circuit board
- light source
- led light
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
- F21V19/0015—Fastening arrangements intended to retain light sources
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
- F21V23/004—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array arranged on a substrate, e.g. a printed circuit board
- F21V23/005—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array arranged on a substrate, e.g. a printed circuit board the substrate is supporting also the light source
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/90—Heating arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Abstract
The present invention relates to LED spotlights.It is a kind of can double-side LED spotlight, the Lamp cup that links together including lamp cap, one end with lamp cap and the lens for being connected to the Lamp cup other end, Lamp cup and lens surround cavity, LED light source and radiator are equipped in cavity, LED light source includes the LED driver luminous with driving LED of the circuit board equipped with several LED；Radiator is used to support circuit board and falls the LED heat loss generated, Lamp cup is translucent construction, there are two LED light sources, the two sides of the heat sink are arranged in two LED light sources, one LED light source is irradiated towards the lens lighting, another LED light source towards the direction far from lens, and radiator links together with the Lamp cup.The present invention is intended to provide a kind of illumination zone that can be irradiated towards both direction it is big can double-side LED spotlight, solve the problems, such as that existing LED spotlight is merely able to irradiate facing one direction.
Description
The application be application number 2016112223141, applicant on December 27th, 2016, it is entitled " can double-side
The divisional application of LED spotlight ".
Technical field
The present invention relates to LED spotlight, more particularly to it is a kind of can double-side LED spotlight, belong to lighting area.
Background technique
Since LED has many advantages, such as that small in size, power consumption is low, long service life, high brightness, environmental protection and sturdy and durable,
It is widely used in lamps and lanterns.
Wherein the structure type of LED spotlight be include lamp cap, for same pedestal connect with fix shot-light and introduce power supply；Lamp
Cup links together for same lamp cap and constitutes a cavity, is translucent construction；LED light source, if with LED driver and being equipped with
The circuit board of dry LED, LED driver go driving LED to shine after being used to receive the power supply of lamp cap introducing；Heat sink is used to support
The circuit board and by LED generate heat loss fall.
Existing LED spotlight has the following deficiencies: light source only is arranged in the side of the separate lamp cap of heat sink, causing can only
Enough irradiations facing one direction (to be irradiated towards the direction far from lamp cap), if installed in such a way that lamp cap is underlying
Then the lower section of shot-light can generate the dark area of large area, seriously affect illuminating effect；LED driver uses discrete original part system
Make, it is bulky.
Summary of the invention
The present invention is intended to provide a kind of illumination zone that can be irradiated towards both direction it is big can the LED of double-side penetrate
Lamp solves the problems, such as that existing LED spotlight is merely able to irradiate facing one direction.
The above technical problem is solved through the following technical scheme: the Lamp cup that lamp cap, one end link together with lamp cap
With the lens for being connected to the Lamp cup other end, the Lamp cup and lens surround cavity, are equipped with LED light source and heat dissipation in the cavity
Device, the LED light source include the LED driver luminous with driving LED of the circuit board equipped with several LED；The radiator is used for
It supporting the circuit board and falls the LED heat loss generated, the Lamp cup is translucent construction, and there are two the LED light sources, two
A LED light source is arranged in the two sides of the heat sink, and a LED light source is towards the lens lighting, another LED light source
It is irradiated towards the direction far from lens, the outer surface of the Lamp cup is equipped with thermally conductive film layer, and the radiator is connected to the Lamp cup
Together.
The present invention by the two sides of heat sink be all arranged light source carry out it is luminous, be enable to towards both direction into
Row irradiation and illumination zone are able to greatly expansion, especially lamp cap and are carried out downward in use, the improvement of illuminating effect is especially bright
It is aobvious.Two light sources can share led driver or led driver is used independently.
Preferably, two LED light sources are respectively provided with a LED cut-off switch, the heat sink includes two panels heat dissipation
Piece, flexible sealing ring, cut spring and cooling fin folding structure, the circuit board of described two LED light sources are installed correspondingly
On the two panels cooling fin；When powering off under control of the LED light source in the LED cut-off switch, the cooling fin is closed
Hold together structure driving two panels cooling fin to splice together；When two LED light sources are not all in the control of the LED cut-off switch
When powering off down, formed between two panels cooling fin and flexible sealing ring with the disconnected of the cavity under the action of cut spring
The airflow channel opened, the airflow channel are equipped with the heat release hole of the exterior space of connection cavity.Each LED light source is arranged
LED cut-off switch, controls light source independently, so that user can according to need the irradiation side of selection shot-light
To.When a freely light source luminescent, then two panels cooling fin is all for the luminous light source heat radiation, but if two light sources all
When shining, there is heat source due to the two sides of heat sink, therefore existing cooling plate structure can not carry out good heat dissipation, and the knot
Structure then forms the heat dissipation channel with external connection when two sides all shine inside heat sink, so that heat can be fully
It loses.Since heat dissipation channel is not connected to inside cavity, then dust etc. will not be entered in cavity through heat dissipation channel and be led
LED is caused to cover dirt and influence illumination effect.
Preferably, linkage section and one end that the Lamp cup, which includes one end, to link together with lamp cap are rotatably connected on connection
Drum-shaped section on the section other end, the lens are connected on the other end of the drum-shaped section, and the heat sink is the same as the linkage section
It links together, the light source turns off the switch as button switch and is located in the cavity, the cooling fin folding structure setting
It is pressed in the slide opening of drum-shaped section, the button turned off the switch by the light source that is plugged in slide opening towards first slided in slide opening
Compression bar, the first pressing lever of driving stretch out the reset spring of slide opening and when the first pressing lever is retracted in slide opening by the first pressing lever
The second pressing lever for driving and driving two panels cooling fin being gone to close up.It is simple and compact for structure.
Preferably, the slide opening is equipped with using the pivot center of drum-shaped section as the arc avoid holes of center line, described second
Pressing lever links together with a piece of in the two panels cooling fin, and second pressing lever is threaded through in the avoid holes and same
First pressing lever abuts together.
Preferably, constituting the device setting of the LED driver on circuit boards.It can be improved structural compactness.
Preferably, constituting in the device of the LED driver, at least part is IC chip structure.IC chip and pass through
It is the prior art that chip, which constitutes driver,.It can reduce the volume of LED driver, so that LED driver is concentrated on circuit boards
When influence to illuminating effect it is small.
Preferably, Lamp cup has two sections, and one section is linked together by another section with lamp cap；Heat sink is fixed on institute
It states between two sections.It is convenient when fixed heat sink, and enable to heat sink that heat is more efficiently passed to Lamp cup and is scattered and disappeared
Fall.
Preferably, the lamp cap is equipped with power supply line, power supply line is bare wire, for drawing power supply to the LED light source；Electricity
Source line is arranged with insulation sleeve, and insulation sleeve is translucent construction.It can reduce influence of the power supply line to reflecting effect.
Preferably, the material of insulation sleeve is identical with the material of Lamp cup.Easily insulation sleeve can be connected to Lamp cup
Together, the fixation of insulation sleeve is completed when so that fixing Lamp cup, to improve convenience when production.It can also ensure that Lamp cup
It will not generate large error because of assembly with the relative position of insulation sleeve and influence electric property.
The invention also includes heating structure, the LED is green light LED, and the heating structure includes heat-conducting substrate and setting
Chip-R on heat-conducting substrate, the heat sink are equipped with the circuit board installation pit being connected together and heating structure installation
Hole, the heat-conducting substrate are mounted in the heating structure mounting hole, and the heat-conducting substrate is integrally formed with being threaded through the electricity
Thermally conductive bowl in the plate installation pit of road, the circuit board are connected in the thermally conductive bowl；Temperature thermally conductive bowl when being 25 DEG C or more
It is abutted together with the circuit board installation pit, the linear expansion coefficient of the heat sink is less than the linear expansion of the thermally conductive bowl
Coefficient.
Requirement of the green LED to environment temperature is especially high, and when environment temperature is lower than 25 DEG C, its brightness is reduced, and is higher than 30 DEG C
Shi Liangdu is equally reduced, thus green LED use when should in view of heat dissipation again in view of heating, especially winter use,
Environment temperature is relatively low, there is nearly -25 DEG C of temperature of some countries, does not work at all to the product for the LED for using green, right at present
There are two types of the heating methods of LED, a kind of to carry out to wind heating tape on LED and then LED being installed to the mode on heat sink
Heating, it is bad which will lead to LED heat dissipation when being radiated, so being seriously unsuitable for the heating of LED.It is another
Kind heats heat sink for a power resistor to be placed in the heat dissipation plate surface of LED, then will be hot by heat sink
Amount passes to LED, very very long when passing to the starting of LED green LED due to heat dissipation its heat of heat dissipation plate surface, in low temperature ring
Starting duration (LED is heated to the duration of 25 DEG C or more progress normal luminous) in border wants 30 minutes or more at least,
I.e. heating efficiency is low, and the above reason can not use green light LED so as to cause existing shot-light.
Original power resistor is substituted for Chip-R and is attached on heat-conducting plate by the technical program, and the heat of resistance is allowed to transmit
To thermally conductive bowl, need to heat LED when temperature is lower than 25 DEG C, at this time under shrinkage effect circuit board installation pit with thermally conductive
Clearance fit is formed between bowl, the heat that can be effectively prevented LED is further lost and plays the work for improving heating efficiency
With so that the heat generated quickly can pass to circuit board and heat to LED.When temperature rises, make in heat expansion
With circuit board mounting hole between thermally conductive bowl formed tight fit and carry out it is good thermally conductive so that good heat dissipation effect.It is enough automatic real
It is improved when LED declines with the heat-conducting effect between heat sink, radiates when now heating.
Preferably, side of the heat-conducting substrate far from the circuit board installation pit is the same as the heating structure mounting hole
Hole wall it is separated.Heat when heating can be flowed to largely at where thermally conductive bowl, play the role of improving heating effect, and
Obstruction when to heat dissipation is few.
Preferably, the Chip-R is arranged on side of the heat-conducting substrate far from the circuit board installation pit.
It can not only guarantee the heat transfer of Chip-R to heat-conducting plate but also the presence of Chip-R is enabled to not interfere heat-conducting plate and electricity
Heat transfer effect between the plate of road.
Preferably, the thermally conductive bowl and heat sink are sealed connected together by annular reservoir, the thermally conductive bowl dissipates
Seal chamber is formed between hot plate and annular reservoir, the seal chamber is with annular reservoir connection and in the elasticity of annular reservoir
Insulation liquid under contraction in annular reservoir can flow in seal chamber.Since when being lower than 25 DEG C, shrinkage effect can be led
It causes to generate gap between thermally conductive bowl and circuit board installation pit and reduce the heat-conducting effect between thermally conductive bowl and heat sink and play and mention
The effect of high heating effect, insulation liquid is filled into the gap to play and further increases insulation effect and make heating effect at this time
More preferably.When temperature is higher than 25 DEG C or 30 DEG C and needs to radiate, supported between thermally conductive bowl and circuit board installation pit under heat expansion effect
Tightly together, push against during the insulation liquid between thermally conductive bowl and circuit board installation pit squeezed out and be stored in annular reservoir
It is interior.Heating effect when heating can be further increased.
The present invention have an advantage that can double-sided illumination, illumination zone is big, is restricted by use environment small.
Detailed description of the invention
Fig. 1 is the schematic diagram of the embodiment of the present invention one.
Fig. 2 is the partial schematic diagram of the embodiment of the present invention two.
Fig. 3 is the partial enlargement diagram at the A of Fig. 2.
Fig. 4 is the partial enlargement diagram at the B of Fig. 3.
Fig. 5 is connection relationship diagram of the circuit board in embodiment three with heat sink.
Fig. 6 is connection relationship diagram of the circuit board in example IV with heat sink.
In figure: heat sink 71, circuit board installation pit 711, heating structure mounting hole 712, cooling fin 713, airflow channel
714, flexible sealing ring 715, cooling fin folding structure 716, slide opening 7161, the first pressing lever 7162, reset spring 7163, second
Pressing lever 7164, arc avoid holes 7165, interior driving inclined-plane 7166, heat release hole 717, cut spring 718, Lamp cup 72, linkage section
721, drum-shaped section 722, insulation sleeve 723, cavity 724, clamp 725, annular slot 726, heating structure 73, heat-conducting substrate 731, patch
Sheet resistance 732, thermally conductive bowl 734, LED light source 74, circuit board 741, LED driver 742, LED743, LED cut-off switch 744, ring
Shape reservoir 75, seal chamber 76, lamp cap 77, power supply line 771, lens 79.
Specific embodiment
The present invention will be further described below with reference to the accompanying drawings and embodiments.
Embodiment one, referring to Fig. 1, it is a kind of can double-side LED spotlight, including lamp cap 77, Lamp cup 72,71 and of heat sink
LED light source 74.
Lamp cap 77 is equipped with power supply line 771.Power supply line 771 has two.Power supply line 771 exposed structure, i.e. not no insulated hull
Bare wire.
Lamp cup 72 is translucent construction.Lamp cup 72 is glassware.One end of Lamp cup 72 links together with lamp cap 77, another
End links together with lens 79.Insulation sleeve 723 is equipped in the space that Lamp cup 72 is surrounded.The same Lamp cup of the material of insulation sleeve 723
72 material is identical.One end of insulation sleeve 723 links together with one end of Lamp cup 72, and preferred weld or integrated molding are connected
It connects.Lamp cup 72 and lens 79 constitute cavity 724.
Heat sink 71 is bonded in Lamp cup 72 by heat-conducting glue.
There are two LED light sources 74.Two LED light sources 74 are fixed on the two sides of heat sink 71.One LED light source is described in
Lens lighting, another LED light source are irradiated towards the direction far from lens.LED light source 74 includes circuit board 741.On circuit board 741
Equipped with LED driver 742 and several LED743.LED driver 742 be using it is existing constitute LED driver IC chip and
Original part is separated to constitute.
Power supply line 771 is electrically connected after passing through insulation sleeve 723 with two LED drivers 742.
It realizes the fixed present invention in use, lamp cap 77 links together with lamp holder and introduces electric.LED driver 742 receives
LED743 is driven to shine after electricity.Since 2 two sides of heat sink are designed with LED light source 74, so two sides can all issue, the light of sending from
Two sections of Lamp cup project simultaneously.The heat that LED743 is generated passes to Lamp cup and lamp cap etc. through heat sink 71 and loses.
Embodiment two, with the difference of embodiment one are as follows:
Referring to fig. 2, Lamp cup has two sections, is specially linkage section 721 and drum-shaped section 722.722 appearance of linkage section 721 and drum-shaped section
Thermally conductive film layer 78 is all enclosed on face.One end of linkage section 721 links together with lamp cap.722 company of being rotatably connected on of drum-shaped section
It connects in section 721.Heat sink 71 includes two panels cooling fin 713.Airflow channel 714 is formed between two panels cooling fin 713.Airflow channel
714 disconnect with cavity 724.The circuit board 741 of two LED light sources 74 is mounted on correspondingly on two panels cooling fin 713.
Referring to Fig. 3, linkage section 721 is equipped with several clamps 725 being axially distributed along drum-shaped section 722.Drum-shaped section 722 is equipped with edge
The annular slot 726 of drum-shaped section circumferentially extending.Clamp 725 is connected to linkage section 721 and drum-shaped section 722 in annular slot 726
It links together, so that the two is relatively rotatable to each other.
Two LED light sources 74 are respectively provided with a LED cut-off switch 744.LED cut-off switch 744 is push switch.Two
The LED cut-off switch 744 of a LED light source is along the circumferentially distributed of drum-shaped section 722 and is fixed on heat sink 71.
Heat sink 71 is fixed together with linkage section 721.Heat sink 71 further includes that flexible sealing ring 715 and cooling fin close up
Structure 716.Airflow channel 714 is surrounded by flexible sealing ring 715 and two panels cooling fin 713.Airflow channel 714 is equipped with connection cavity
The heat release hole 717 of 724 exterior space.Heat release hole 717 extends to outside Lamp cup 72 through linkage section 721.Heat release hole 717 has at least
It 6 and is uniformly distributed along the circumferential direction of drum-shaped section 722.
Cooling fin folding structure 716 includes slide opening 7161, the first pressing lever 7162, reset spring 7163 and the second pressing lever
7164.Slide opening 7161 is arranged on drum-shaped section 722.Slide opening 7161 is equipped with and keeps away by the arc of center line of the pivot center of drum-shaped section
Allow hole 7165.First pressing lever 7162 is plugged in slide opening 7161.The inner segment of first pressing lever 7162 is equipped with interior driving inclined-plane
7166.The outer end of first pressing lever 7162 is equipped with guide surface to block between the button of same LED cut-off switch.Reset bullet
Spring 7163 is located in slide opening 7161.One end of reset spring 7163 links together with the bottom wall of slide opening 7161, the other end is the same as the
The inner end of one pressing lever 7162 links together.One end of second pressing lever 7164 is fixed in a piece of in two panels thermally conductive sheet 713
Together, the other end abuts together after passing through arc avoid holes 7165 with interior driving inclined-plane 7166.
Referring to fig. 4, flexible sealing ring 715 is hollow structure.Cut spring 718 is equipped in flexible sealing ring 715.
Referring to fig. 2, Fig. 3 and Fig. 4, when do not need which LED light source 74 do not work i.e. when not in use, rotate drum-shaped section 722
It is abutted together to the first pressing lever 7162 with the button of corresponding LED cut-off switch 744, the first pressing lever 7162 drives at this time
LED cut-off switch makes while the power-off of corresponding LED light source, the button of LED cut-off switch 744 drives the first pressing lever 7162
Towards 7161 contract of slide opening, driving reset spring 7163 shrinks energy storage and oblique by interior driving when the first pressing lever 7162 is shunk
Face 7166 drives the second pressing lever 7164 to stretch out arc avoid holes 7165, and the second pressing lever 7164 drives two panels thermally conductive sheet 723 folded
It is connected together and drive cut spring 718 to shrink energy storage.
When proceeding to the first pressing lever 7162 and being all staggered with LED cut-off switch 744, LED cut-off switch 744 reset so that
LED light source is not powered off, two panels cooling fin 713 separates and makes airflow channel under the action of cut spring 718 at this time
714 regenerate；First pressing lever 7162 stretches out slide opening 7161 again and resets under the action of reset spring 7163.
Embodiment three, with the difference of embodiment two are as follows:
Referring to Fig. 5, heat sink 71 is also connected with heating structure 73.
The cooling fin 713 of heat sink 71 is equipped with circuit board installation pit 711 and heating structure mounting hole 712.Circuit board peace
Dress hole 711 is circle.Heating structure mounting hole 712 is rectangular opening.Circuit board installation pit 711 and heating structure mounting hole 712 pass through
Logical, the circle specially where circuit board installation pit 711 extend into the mode in heating structure mounting hole 712 namely the mode of intersection
Perforation.Circuit board installation pit 711 is identical with the extending direction namely depth direction of both heating structure mounting holes 712, is all edge
The thickness direction of heat sink extends.
Circuit board 741 is disc.
Heating structure 73 includes heat-conducting substrate 731 and the Chip-R 732 being arranged on heat-conducting substrate.Heat-conducting substrate 731
It is bonded in heating structure mounting hole 712 in a manner of horizontal by being insulated glue 733.Heat-conducting substrate 731 is far from circuit board 41
Side with heating structure mounting hole 712 hole wall it is separated.Chip-R 732 is arranged in heat-conducting substrate 731 far from circuit board
On 41 side.Heat-conducting substrate 731 is equipped with thermally conductive bowl 734.Heat-conducting substrate 731 and thermally conductive bowl 734 are integrally formed.Thermally conductive bowl
734 are threaded through in circuit board installation pit 711.Circuit board 741 is worn and thermal conductivity is connected in thermally conductive bowl 734 and is suspended in electricity
In road plate installation pit 711.The linear expansion coefficient of thermally conductive bowl 734 is greater than the linear expansion coefficient of heat sink 71, that is, expands with heat and contract with cold
When thermally conductive bowl generate the variable quantity of apparent size and be greater than the variable quantity of the apparent size that circuit board installation pit generates.Temperature is 25 DEG C
When above, thermally conductive bowl 734 with circuit board installation pit 711 abutting realize circuit board 741 with circuit board installation pit 711 together
It abuts indirectly together.
In use, when 741 temperature of circuit board is higher than 25 DEG C then not to the energization of heating structure 73 namely to Chip-R
732 are powered, and the apparent size amount of becoming larger of thermally conductive bowl 734 is greater than the apparent size amount of becoming larger of circuit board installation pit 711, so that thermally conductive
Bowl 734 is closely abutted together with circuit board installation pit 711 and is carried out be more good thermally conductive.What circuit board 41 generated
Heat passes to heat sink 71 by thermally conductive bowl and heat-conducting substrate 731 and realizes heat dissipation.When 741 temperature of circuit board is lower than 25 DEG C
When, be powered to Chip-R 732, the heat transfer that Chip-R 732 generates to heat-conducting substrate 731, enter through thermally conductive bowl and pass
It passs the realization of circuit board 741 and be heated to temperature not less than 25 DEG C to LED to circuit board 41, when temperature is less than 25 DEG C, lead
The apparent size amount of becoming smaller of hot bowl 734 is greater than the apparent size reduction volume of circuit board installation pit 711, so that thermally conductive bowl 734 is the same as electricity
Gap is generated between road plate installation pit 711, so that playing the role of the thermally conductive bowl 734 of reduction transfers heat to heat sink 71, is made
Circuit board 741 can substantially more be passed to by obtaining the heat that the thermally conductive transmitting of bowl 734 comes, to play the work for improving heating effect
With
Example IV, with the difference of embodiment three are as follows:
Referring to Fig. 6, the cooling fin 713 of thermally conductive bowl 734 and heat sink 71 passes through annular reservoir 75 and is sealed connected together.Annular
Reservoir 75 is provided with insulation liquid, and insulation liquid makes annular reservoir 75 be in elastic unfolded state.Temperature be 25 DEG C with
When lower, seal chamber 76 is formed between thermally conductive bowl 734, the cooling fin 713 of heat sink 71 and annular reservoir 75.The same ring of seal chamber 76
Shape reservoir 75 is connected to.
When being lower than 25 DEG C, shrinkage effect will lead to and generate gap between thermally conductive bowl and circuit board installation pit and to seal
Chamber 76 occurs, and the insulation liquid under the elastic shrinkage effect of annular reservoir in annular reservoir 75 flows to seal chamber 76 at this time
It is interior, the amount that thermally conductive bowl 734 passes to heat sink 71 that further decreases is played, so that heating effect is further promoted.Work as temperature
When needing to radiate higher than 25 DEG C or 30 DEG C, pushes against between thermally conductive bowl and circuit board installation pit under heat expansion effect and make together
Seal chamber 76 disappears, and the insulation liquid in seal chamber 76 is extruded in winding shape reservoir 75 again and stores.
Claims (7)
1. one kind can double-side LED spotlight, the Lamp cup to link together including lamp cap, one end with lamp cap and be connected to Lamp cup
The lens of the other end, the Lamp cup and lens surround cavity, are equipped with LED light source and radiator, the LED light source in the cavity
Including the circuit board equipped with several LED and the LED driver for driving LED luminous；The radiator is used to support the circuit board
And the LED heat loss generated is fallen, which is characterized in that further include heating structure, the Lamp cup is translucent construction, the LED
There are two light sources, and two LED light sources are arranged in the two sides of the heat sink, a LED light source towards the lens lighting,
Another LED light source is irradiated towards the direction far from lens, and the radiator links together with the Lamp cup, and the LED is green
Light LED, the heating structure include heat-conducting substrate and the Chip-R that is arranged on heat-conducting substrate, and the heat sink is equipped with connection
Circuit board installation pit and heating structure mounting hole together, the heat-conducting substrate are mounted in the heating structure mounting hole,
For the heat-conducting substrate integrally formed with the thermally conductive bowl being threaded through in the circuit board installation pit, the circuit board is connected to described lead
In hot bowl；The thermally conductive bowl abuts together with the circuit board installation pit when temperature is 25 DEG C or more, the line of the heat sink
Property the coefficient of expansion be less than the thermally conductive bowl linear expansion coefficient, side of the heat-conducting substrate far from the circuit board installation pit
With the heating structure mounting hole hole wall it is separated.
2. it is according to claim 1 can double-side LED spotlight, which is characterized in that two LED light sources are respectively provided with
One LED cut-off switch, the heat sink include two panels cooling fin, flexible sealing ring, cut spring and cooling fin folding structure,
The circuit board of described two LED light sources is mounted on correspondingly on the two panels cooling fin；When the LED light source is described
When powering off under the control of LED cut-off switch, the cooling fin folding structure driving two panels cooling fin splices together；When two institutes
When stating LED light source and all not powering off under the control of the LED cut-off switch, two panels dissipates under the action of the cut spring
The airflow channel of the disconnection with the cavity is formed between backing and flexible sealing ring, the airflow channel is equipped with connection cavity
The heat release hole of exterior space.
3. it is according to claim 2 can double-side LED spotlight, which is characterized in that the Lamp cup includes the same lamp in one end
The linkage section and one end that head links together are rotatably connected on the drum-shaped section on the linkage section other end, and the lens are connected to described
On the other end of drum-shaped section, the heat sink links together with the linkage section, and the light source turns off the switch as button switch
And be located in the cavity, the slide opening of drum-shaped section is arranged in the cooling fin folding structure, be plugged in slide opening by described
Button that light source turns off the switch and the reset spring that slide opening is stretched out towards the first pressing lever, the first pressing lever of driving slided in slide opening
With the second pressing for being driven when the first pressing lever is retracted in slide opening by the first pressing lever and driving two panels cooling fin being gone to close up
Bar.
4. it is according to claim 3 can double-side LED spotlight, which is characterized in that the slide opening be equipped with drum-shaped section
Pivot center be center line arc avoid holes, second pressing lever is connected to one with a piece of in the two panels cooling fin
It rises, second pressing lever is threaded through in the avoid holes and abuts together with first pressing lever.
5. it is according to claim 1 can double-side LED spotlight, which is characterized in that Lamp cup has two sections, and one section is logical
Another section is crossed to link together with lamp cap；Heat sink is fixed on described between two sections.
6. described according to claim 1 or 2 or 3 or 43 can double-side LED spotlight, which is characterized in that constitute the LED
The device setting of driver is on circuit boards.
7. it is according to claim 1 or 2 or 3 can double-side LED spotlight, which is characterized in that the thermally conductive bowl and dissipate
Hot plate is sealed connected together by annular reservoir, forms seal chamber between the thermally conductive bowl, heat sink and annular reservoir,
The seal chamber is the same as annular reservoir connection and the insulation liquid under the effect of the elastic shrinkage of annular reservoir in annular reservoir
Body can flow in seal chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811384186.XA CN109539025B (en) | 2016-12-27 | 2016-12-27 | LED spotlight capable of emitting light from two sides |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611222314.1A CN106594588B (en) | 2016-12-27 | 2016-12-27 | Can double-side LED spotlight |
| CN201811384186.XA CN109539025B (en) | 2016-12-27 | 2016-12-27 | LED spotlight capable of emitting light from two sides |
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| CN201611222314.1A Division CN106594588B (en) | 2016-12-27 | 2016-12-27 | Can double-side LED spotlight |
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| CN109539025A true CN109539025A (en) | 2019-03-29 |
| CN109539025B CN109539025B (en) | 2021-03-23 |
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| CN201611222314.1A Active CN106594588B (en) | 2016-12-27 | 2016-12-27 | Can double-side LED spotlight |
| CN201811384183.6A Active CN109681808B (en) | 2016-12-27 | 2016-12-27 | LED spot lamp with glass lamp cup capable of emitting light on two sides |
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| CN201611222314.1A Active CN106594588B (en) | 2016-12-27 | 2016-12-27 | Can double-side LED spotlight |
| CN201811384183.6A Active CN109681808B (en) | 2016-12-27 | 2016-12-27 | LED spot lamp with glass lamp cup capable of emitting light on two sides |
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| CN108019628B (en) * | 2017-11-06 | 2019-07-30 | 宁波凯耀电器制造有限公司 | If the LED light and its assembly method of revolving fragment |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202835299U (en) * | 2012-08-31 | 2013-03-27 | 厦门市光美光电科技有限公司 | Self-opening and self-closing radiating type light-emitting diode (LED) shell body |
| CN203836865U (en) * | 2014-04-28 | 2014-09-17 | 霸州市皓天光电科技有限公司 | Improved LED lamp tube cooling shield |
| CN104051099A (en) * | 2014-06-27 | 2014-09-17 | 深圳市业展电子有限公司 | Production method of high-power precision alloy SMD (surface mount device) resistor |
| CN104100926A (en) * | 2013-08-22 | 2014-10-15 | 浙江雷士灯具有限公司 | Split LED (light emitting diode) bulb lamp cover and full-angle LED bulb lamp based on same |
| CN204116999U (en) * | 2014-10-08 | 2015-01-21 | 北京国科欣翼科技有限公司 | Temperature control system of semiconductor laser |
| CN204853302U (en) * | 2015-07-30 | 2015-12-09 | 广西迈进电子科技有限公司 | Energy -conserving street lamp of solar energy |
| US20160245462A1 (en) * | 2015-02-25 | 2016-08-25 | Cree, Inc. | Led lamp |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4096927B2 (en) * | 2004-08-03 | 2008-06-04 | 松下電器産業株式会社 | LED lighting source |
| CN201814898U (en) * | 2010-10-08 | 2011-05-04 | 首雷光电科技(厦门)有限公司 | Photocatalyst purification device |
| CN103597283B (en) * | 2011-06-10 | 2016-10-12 | 马田专业公司 | There is the illuminator of multi-layer heat dissipation device |
| CN203384722U (en) * | 2013-07-19 | 2014-01-08 | 歌尔声学股份有限公司 | LED (light-emitting diode) bulb lamp |
| CN203595073U (en) * | 2013-08-22 | 2014-05-14 | 浙江雷士灯具有限公司 | Omnidirectional LED globular bulb |
| CN204005495U (en) * | 2014-04-30 | 2014-12-10 | 四川海金汇光电有限公司 | A kind of LED wall lamp of two-sided bright dipping |
| CN203940323U (en) * | 2014-06-25 | 2014-11-12 | 昆山天重星光电科技有限公司 | A kind of low-power shot-light with globe-type luminescence body |
| CN104832802B (en) * | 2015-03-18 | 2016-12-07 | 浙江恒曼光电科技有限公司 | It is provided with LED bulb and the bulb assemble method of radiating tube |
| US20160341382A1 (en) * | 2015-05-20 | 2016-11-24 | Su-Fang Ho | Structure of a liquid motion lamp with isolated heating device |
| CN206617819U (en) * | 2016-12-27 | 2017-11-07 | 浙江雷士灯具有限公司 | The two-sided shot-lights of LED |
-
2016
- 2016-12-27 CN CN201811384186.XA patent/CN109539025B/en active Active
- 2016-12-27 CN CN201611222314.1A patent/CN106594588B/en active Active
- 2016-12-27 CN CN201811384183.6A patent/CN109681808B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202835299U (en) * | 2012-08-31 | 2013-03-27 | 厦门市光美光电科技有限公司 | Self-opening and self-closing radiating type light-emitting diode (LED) shell body |
| CN104100926A (en) * | 2013-08-22 | 2014-10-15 | 浙江雷士灯具有限公司 | Split LED (light emitting diode) bulb lamp cover and full-angle LED bulb lamp based on same |
| CN203836865U (en) * | 2014-04-28 | 2014-09-17 | 霸州市皓天光电科技有限公司 | Improved LED lamp tube cooling shield |
| CN104051099A (en) * | 2014-06-27 | 2014-09-17 | 深圳市业展电子有限公司 | Production method of high-power precision alloy SMD (surface mount device) resistor |
| CN204116999U (en) * | 2014-10-08 | 2015-01-21 | 北京国科欣翼科技有限公司 | Temperature control system of semiconductor laser |
| US20160245462A1 (en) * | 2015-02-25 | 2016-08-25 | Cree, Inc. | Led lamp |
| CN204853302U (en) * | 2015-07-30 | 2015-12-09 | 广西迈进电子科技有限公司 | Energy -conserving street lamp of solar energy |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106594588B (en) | 2019-01-18 |
| CN109681808B (en) | 2020-12-15 |
| CN109539025B (en) | 2021-03-23 |
| CN106594588A (en) | 2017-04-26 |
| CN109681808A (en) | 2019-04-26 |
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