CN109798455A - LED illumination lamp and assemble method - Google Patents
LED illumination lamp and assemble method Download PDFInfo
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- CN109798455A CN109798455A CN201910069644.9A CN201910069644A CN109798455A CN 109798455 A CN109798455 A CN 109798455A CN 201910069644 A CN201910069644 A CN 201910069644A CN 109798455 A CN109798455 A CN 109798455A
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Abstract
The present invention relates to a kind of LED illumination lamp and assemble methods, comprising: LED light source, metal heat-conducting plate and metal shell；The bottom of the metal shell is provided with first annular step, the top surface of the metal heat-conducting plate, lateral surface fit with the first annular step, it is interference fitted between the metal shell and the metal heat-conducting plate, the bottom surface of the metal heat-conducting plate is provided with accommodating cavity, the LED light source and the metal heat-conducting plate fit and are located in the accommodating cavity, are provided with wiring hole at the top of the metal heat-conducting plate.The present invention has the effect of sound construction, good heat dissipation effect.
Description
Technical field
The present invention relates to technical fields of lighting fixtures, more particularly, to a kind of LED illumination lamp and assemble method.
Background technique
Human lives' class is not opened the light, and illumination is be unable to do without, and country was wideling popularize LED illumination lamp in recent years, to respond generation
The concept on boundary's " green, environmental protection ", with the continuous improvement of white LED light source light efficiency, LED illumination lamp becomes the following illumination mainstream and becomes
Gesture.
Existing LED illumination lamp generally comprises: shell, LED light source and heat-conducting plate, LED light source are fixedly connected on thermally conductive
On plate, then by heat-conducting glue heat-conducting plate is adhesively fixed inside the shell, or heat-conducting plate is locked by lock screw
In shell.
Prior art among the above has the following deficiencies: in LED light source work, can generate heat, and heat can be first
It is transmitted on heat-conducting plate, it is thermally conductive due to non-direct contact (such as there is heat-conducting glue or air) between heat-conducting plate and shell
Heat on plate is indirectly transferred to shell, radiates slow, causes the heat dissipation effect of the LED illumination lamp unobvious, so
Have much room for improvement.
Summary of the invention
The purpose of the present invention one is to provide a kind of LED illumination lamp, has the advantages that sound construction, good heat dissipation effect.
Above-mentioned purpose one of the invention has the technical scheme that a kind of LED illumination lamp, comprising: LED
Light source, metal heat-conducting plate and metal shell；
The bottom of the metal shell is provided with first annular step, the top surface of the metal heat-conducting plate, lateral surface and described the
One ring-shaped step fits, and is interference fitted between the metal shell and the metal heat-conducting plate, the bottom of the metal heat-conducting plate
Face is provided with accommodating cavity, and the LED light source and the metal heat-conducting plate fit and be located in the accommodating cavity, and the metal is led
Wiring hole is provided at the top of hot plate.
By using above-mentioned technical proposal, due to being interference fitted between metal shell and metal heat-conducting plate, metal shell and
Between metal heat-conducting plate without other heat-conducting mediums (such as heat-conducting glue or air), and make metal shell and metal heat-conducting
The energy bonding of similar metal key is formed between plate, such heat (lattice temperature vibration+electronics warm-up movement) passes from metal heat-conducting plate
It is very fast to be delivered to metal shell speed, and heat distribution is very uniform；LED light source lights the heat of generation simultaneously, leads metal
Hot plate thermally expands, thus make cooperating even closer, is firm between metal shell and metal heat-conducting plate, maximum efficiency
The thermal resistance among heat-conducting medium is reduced, reaching heat, quickly derived purpose, heat dissipation effect are fairly obvious.
The present invention is further arranged to, and the periphery wall of the metal shell is provided with a plurality of protrusion being vertically arranged, adjacent
Arranged for interval between the protrusion.
By using above-mentioned technical proposal, protrusion increases the contact surface between metal shell outer surface and external air
Product, so that heat can be exported quickly from metal shell, further improves LED photograph to be conducive to that heat exchange occurs
The heat dissipation effect of bright lamp.
The present invention is further arranged to, further includes: lens and cover, the bottom of the metal shell are provided with the second annular
Step, it is recessed to cooperate second ring-shaped step to form annular that the first annular step is stretched out in the bottom of the metal heat-conducting plate
The bulge loop that slot whole structure in a ring at the cover and is provided in the insertion annular groove, the cover cooperate the gold
Belong to heat-conducting plate to clamp the lens.
By using above-mentioned technical proposal, the light that LED light source issues can be reflected and/or be reflected export by lens,
Lens have certain protective effect to LED light source simultaneously, since metal heat-conducting plate and the second ring-shaped step have cooperatively formed ring
Connected in star, can just with the mutual inlay card of the bulge loop of cover, so that cover can also clamp lens while installing fixed,
Structure is very secured, and assembling is simple.
The present invention is further arranged to, and the top surface of the lens is provided with diffuser compatible with the LED light source, institute
State diffuser flare shape.
By using above-mentioned technical proposal, diffuser can individually match with each LED light source, to ensure LED light
The light that source issues has bigger range of scatter, expands the illumination zone of the LED illumination lamp to a certain extent.
The present invention is further arranged to, and the bottom surface outer edge of the lens is set as convex arc surface, the bottom surface of the cover
Inward flange is set as annular and concaves face.
By using above-mentioned technical proposal, the light diffusion that convex arc surface can further be such that lens reflect is annular recessed
Inclined-plane then can be to avoid the light reflected through lens by cover institute barrier, the further expansion illumination model of the LED illumination lamp
It encloses, while the design of convex arc surface and the annular face that concaves, makes the bottom surface of the LED illumination lamp with more aesthetic feeling.
The present invention is further arranged to, and the periphery wall of the lens is provided with several first fixture blocks, the metal heat-conducting plate
Bottom be provided with several card slots, first fixture block is connected in the card slot.
By using above-mentioned technical proposal, after the first fixture block is mutually clamped with card slot, card slot there is limit to make the first fixture block
With so that lens are not easy to rotate relative to metal heat-conducting plate, so that the structure of the LED illumination lamp is stronger.
The present invention is further arranged to, and needle stand is plugged at the top of the metal shell, stretching is fixed on the needle stand
Connecting contact pin at the top of it is fixed with circuit board in the needle stand, and the circuit board is electrically connected with the connecting contact pin, the electricity
Road plate is electrically connected by the electric wire through the wiring hole with the LED light source.
By using above-mentioned technical proposal, needle stand can provide stable installation site for connecting contact pin and circuit board, from
And after connecting contact pin, circuit board and LED light source three electrical connection, it can be connected by connecting contact pin with external power supply,
Electric energy is steadily obtained, the LED illumination lamp of structure design facilitates installation and stable structure is secured.
The present invention is further arranged to, and the inner sidewall of the metal shell is provided with annular skewed slot, the periphery of the needle stand
Wall is provided with several second fixture blocks, and the outer surface of second fixture block is provided with inclined-plane compatible with the annular skewed slot.
By using above-mentioned technical proposal, during gradually needle stand is inserted at the top of metal shell, the second fixture block
After inclined-plane has good guiding role, while the second fixture block and annular skewed slot are mutually clamped, this reverse buckling type designs can be to prevent
Only needle stand is detached from metal shell, connects even closer, secured.
The present invention is further arranged to, and the inner sidewall of the metal shell is provided with locating slot, the periphery wall of the needle stand
It is provided with locating piece, the locating piece is vertically inserted into the locating slot.
By using above-mentioned technical proposal, locating slot has certain position-limiting action to locating piece, so that needle stand is not easy phase
Metal shell is rotated, so that the structure of the LED illumination lamp is stronger.
The purpose of the present invention two is to provide a kind of assemble method, and the LED illumination lamp assembled has sound construction, heat dissipation
The good advantage of effect.
Above-mentioned purpose two of the invention has the technical scheme that a kind of assemble method, for assembling
Such as above-mentioned LED illumination lamp, the assemble method includes:
S1. it heats solder(ing) paste and is pre-fixed LED light source on a sheet metal by solder(ing) paste, by the LED light source and institute
Sheet metal is stated to be welded and fixed；
S2. molding die is customized, the sheet metal for being welded with LED light source is placed in the molding die, using liquid
Press equipment to the metallic plate punching metal heat-conducting plate is made；
S3. extrusion die is customized, metal heat-conducting plate and metal shell are placed into corresponding extrusion die, using hydraulic device
The metal heat-conducting plate is squeezed into the metal shell, is interference fitted between the two with realizing.
By using above-mentioned technical proposal, the LED illumination lamp that assembles have sound construction, good heat dissipation effect it is excellent
Point, and solder(ing) paste can pre-fix LED light source on sheet metal, thus facilitate it is subsequent LED light source weld it is solid
It is fixed, molding die and hydraulic device are then reused, metal heat-conducting plate is made in metallic plate punching, it is this first to fix LED light
Source, reshaping metal heat-conducting plate method, can be to avoid because metal heat-conducting plate first forms, to lead to weld operating space limited
Problem, assembling process more easily, simply, improve the production efficiency of the LED illumination lamp indirectly；Again by extrusion tool and hydraulic
Equipment makes to be interference fitted between metal heat-conducting plate and metal shell, to be conducive to heat in metal heat-conducting plate and metal shell
Between conduct, to realize the purpose of improving radiating effect.
In conclusion advantageous effects of the invention are as follows:
First, not having between metal shell and metal heat-conducting plate due to being interference fitted between metal shell and metal heat-conducting plate
Other heat-conducting mediums (such as heat-conducting glue or air), and make to form similar metal key between metal shell and metal heat-conducting plate
Energy bonding, such heat (lattice temperature vibration+electronics warm-up movement) is transmitted to metal shell speed very from metal heat-conducting plate
Fastly, and heat distribution is very uniform；LED light source lights the heat of generation simultaneously, thermally expands metal heat-conducting plate, to make
Cooperating even closer, is firm between metal shell and metal heat-conducting plate, the heat of maximum efficiency reduced among heat-conducting medium
Resistance, reaching heat, quickly derived purpose, heat dissipation effect are fairly obvious；
Second, the light that LED light source issues can be reflected and/or reflect export by lens, while lens have LED light source
Certain protective effect can just and cover since metal heat-conducting plate and the second ring-shaped step have cooperatively formed annular groove
The mutual inlay card of bulge loop, so that cover can also clamp lens while installing fixed, structure is very secured, assembling letter
It is single.
Detailed description of the invention
Fig. 1 is the schematic cross-sectional view of the embodiment of the present invention one；
Fig. 2 is the explosive view that the embodiment of the present invention one is in oblique upward view angle visual angle；
Fig. 3 is the explosive view that the embodiment of the present invention one is in oblique depression angle visual angle；
Fig. 4 is the enlarged drawing in Fig. 3 at A；
Fig. 5 is the flow diagram of the embodiment of the present invention two.
Appended drawing reference: 1, LED light source；2, metal heat-conducting plate；21, wiring hole；22, card slot；3, metal shell；31, first
Ring-shaped step；32, the second ring-shaped step；33, raised；34, annular skewed slot；35, locating slot；4, lens；41, diffuser；42, convex
Arc surface；43, the first fixture block；5, cover；51, bulge loop；52, annular concaves face；6, needle stand；61, the second fixture block；611, inclined-plane；
62, locating piece；7, circuit board；8, connecting contact pin.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Embodiment one:
It referring to Figures 1 and 2, is a kind of LED illumination lamp disclosed by the invention, comprising: LED light source 1, metal heat-conducting plate 2 and gold
Belong to shell 3, metal heat-conducting plate 2 and metal shell 3 can be aluminum alloy material or copper material, to can not only guarantee the two
Structural strength, also have good heating conduction, cost also relatively low.
The bottom of metal shell 3 is provided with first annular step 31, top surface, lateral surface and the first ring of metal heat-conducting plate 2
Shape step 31 fits, and is interference fitted between metal shell 3 and metal heat-conducting plate 2, and the bottom surface of metal heat-conducting plate 2 is provided with accommodating
Chamber, LED light source 1 and metal heat-conducting plate 2 fit and are located in accommodating cavity, and the top of metal heat-conducting plate 2 is provided with wiring hole 21.
The LED illumination lamp further include: lens 4 and cover 5, the bottom of metal shell 3 are provided with the second ring-shaped step 32, gold
First annular step 31 is stretched out to cooperate the second ring-shaped step 32 to form annular groove in the bottom for belonging to heat-conducting plate 2, and cover 5 is whole to be in
Ring structure and the bulge loop 51 being provided in insertion annular groove, 5 complexed metal heat-conducting plate 2 of cover clamps lens 4.
The light that LED light source 1 issues can be reflected and/or be reflected export by lens 4, while lens 4 are to LED light source 1
It can be just since metal heat-conducting plate 2 and the second ring-shaped step 32 have cooperatively formed annular groove with certain protective effect
With the mutual inlay card of bulge loop 51 of cover 5, so that cover 5 can also clamp lens 4 while installing fixed, structure is very firm
Gu assembling is simple.
The bottom surface outer edge of lens 4 is set as convex arc surface 42, and the bottom surface inward flange of cover 5 is set as annular and concaves face
611, the light diffusion that convex arc surface 42 can further be such that lens 4 reflect, annular concaves face 611 then can be to avoid through lens
4 light reflected are by 5 barriers of cover, the further expansion illumination zone of the LED illumination lamp, while 42 He of convex arc surface
Annular concaves the design in face 611, makes the bottom surface of the LED illumination lamp with more aesthetic feeling.
The periphery wall setting of lens 4 is there are four the first fixture block 43, wherein three the first fixture blocks 43 are horizontally disposed, another the
One fixture block 43 is vertically arranged, and there are four card slot 22, corresponding three card slots 22 are horizontal relatively for the bottom setting of metal heat-conducting plate 2
Long, another card slot 22 is vertical deep, and the first fixture block 43 is connected in card slot 22.First fixture block 43 is mutually clamped with card slot 22
Afterwards, card slot 22 has position-limiting action to the first fixture block 43, so that lens 4 are not easy to rotate relative to metal heat-conducting plate 2, so that should
The structure of LED illumination lamp is stronger.
In conjunction with shown in Fig. 3 and Fig. 4, the top surface of lens 4 is provided with diffuser 41 compatible with LED light source 1, diffuser 41
Flare shape, diffuser 41 can individually match with each LED light source 1, to ensure that the light that LED light source 1 issues has
There is bigger range of scatter, expands the illumination zone of the LED illumination lamp to a certain extent.
The top of metal shell 3 is plugged with needle stand 6, and the connecting contact pin 8 stretched out at the top of it is fixed on needle stand 6, and connection is inserted
Sealant pouring and sealing is fixed between needle 8 and needle stand 6, and circuit board 7 is fixed in needle stand 6, can pass through card between circuit board 7 and needle stand 6
Binding closes screw locking, and circuit board 7 is electrically connected with connecting contact pin 8, and circuit board 7 passes through the electric wire and LED light through wiring hole 21
Source 1 is electrically connected.
Needle stand 6 can provide stable installation site for connecting contact pin 8 and circuit board 7, thus connecting contact pin 8, circuit board 7
After 1 three of LED light source electrical connection, it can be connected by connecting contact pin 8 with external power supply, steadily obtain electric energy,
The LED illumination lamp of structure design facilitates installation and stable structure is secured.
The inner sidewall of metal shell 3 is provided with annular skewed slot 34, and there are three the second fixture blocks for the periphery wall integrated molding of needle stand 6
61, three 61 uniform intervals of the second fixture block arrangements, the outer surface of the second fixture block 61 is provided with compatible with annular skewed slot 34 oblique
Face 611, during needle stand 6 is gradually inserted into 3 top of metal shell, the inclined-plane 611 of the second fixture block 61 has good lead
To effect, while the second fixture block 61, with after annular 34 phase of skewed slot clamping, this reverse buckling type design can prevent needle stand 6 to be detached from gold
Belong to shell 3, connects even closer, secured.
The periphery wall of metal shell 3 is provided with a plurality of protrusion 33 being vertically arranged, and arranged for interval between adjacent protrusion 33 is convex
It plays 33 and increases contact area between 3 outer surface of metal shell and external air, to be conducive to that heat exchange occurs, thus hot
Amount can be exported quickly from metal shell 3, further improve the heat dissipation effect of the LED illumination lamp.
The inner sidewall of metal shell 3 is provided with locating slot 35, and the periphery wall of needle stand 6 is provided with locating piece 62, locating piece 62
It is vertically arranged and outer surface is in semicircle cambered surface, for locating piece 62 vertically in insertion locating slot 35, locating slot 35 has locating piece 62
Certain position-limiting action, so that needle stand 6 is not easy to rotate relative to metal shell 3, so that the structure of the LED illumination lamp is more firm
Gu.
The implementation principle of the present embodiment are as follows: due to being interference fitted between metal shell 3 and metal heat-conducting plate 2, metal shell 3
Between metal heat-conducting plate 2 without other heat-conducting mediums (such as heat-conducting glue or air), and make metal shell 3 and metal
The energy bonding of similar metal key is formed between heat-conducting plate 2, such heat (lattice temperature vibration+electronics warm-up movement) is from metal heat-conducting
It is very fast that plate 2 is transmitted to 3 speed of metal shell, and heat distribution is very uniform；LED light source 1 lights the heat of generation simultaneously, makes
Metal heat-conducting plate 2 thermally expands, thus make cooperating even closer, is firm between metal shell 3 and metal heat-conducting plate 2,
The thermal resistance of maximum efficiency reduced among heat-conducting medium, reaching heat, quickly derived purpose, heat dissipation effect are fairly obvious.
Embodiment two:
It is a kind of assemble method disclosed by the invention, for assembling the LED illumination as described in embodiment one referring to Fig. 2 and Fig. 5
Lamp, assemble method includes: S1. heating solder(ing) paste and is pre-fixed LED light source 1 on a sheet metal by solder(ing) paste, by LED
Light source 1 and sheet metal are welded and fixed；S2. molding die is customized, the sheet metal for being welded with LED light source 1 is placed on
In molding die, use hydraulic device to metallic plate punching metal heat-conducting plate 2 is made；S3. extrusion die is customized, by metal
Heat-conducting plate 2 and metal shell 3 are placed into corresponding extrusion die, and metal heat-conducting plate 2 is squeezed into metal using hydraulic device
In shell 3, it is interference fitted between the two with realizing；S4. connecting contact pin 8 is injected in needle stand 6, then inserts connection by process for filling colloid
Needle 8 is connected and fixed with needle stand 6, circuit board 7 is then passed through screw locking in needle stand 6, in connecting contact pin 8, circuit board 7, LED
Welding wire between light source 1；S5. the locating piece 62 of needle stand 6 is aligned the locating slot 35(of metal shell 3 with reference to Fig. 3 and with figure
4) needle stand 6, is firmly squeezed into metal shell 3, so that close fit between needle stand 6 and metal shell 3；S6. by the of lens 4
One fixture block 43 is directed at the card slot 22 of metal heat-conducting plate 2, firmly makes to engage between lens 4 and metal heat-conducting plate 2 and pre-fixes, and then detains
Upper cover 5 is being fixedly clamped lens 4 in the LED illumination lamp.Hydraulic device employed in the present embodiment is normal on the market
The impact molding machine seen.
The implementation principle of the present embodiment are as follows: solder(ing) paste can pre-fix LED light source 1 on sheet metal, thus convenient
It is subsequent that LED light source 1 is welded and fixed, molding die and hydraulic device are then reused, gold is made in metallic plate punching
Belong to heat-conducting plate 2, this method for first fixing LED light source 1, reshaping metal heat-conducting plate 2 can be to avoid because of 2 elder generation of metal heat-conducting plate
It forms and leads to weld the limited problem in operating space, assembling process more easily, simply, improves the LED illumination lamp indirectly
Production efficiency；Again by extrusion tool and hydraulic device, make to be interference fitted between metal heat-conducting plate 2 and metal shell 3, to have
Conducted between metal heat-conducting plate 2 and metal shell 3 conducive to heat, to realize the purpose of improving radiating effect, thus assembling and
At LED illumination lamp have the advantages that sound construction, good heat dissipation effect.
The embodiment of present embodiment is presently preferred embodiments of the present invention, not limits protection of the invention according to this
Range, therefore: the equivalence changes that all structures under this invention, shape, principle are done, should all be covered by protection scope of the present invention it
It is interior.
Claims (10)
1. a kind of LED illumination lamp characterized by comprising LED light source (1), metal heat-conducting plate (2) and metal shell (3)；
The bottom of the metal shell (3) is provided with first annular step (31), top surface, the outside of the metal heat-conducting plate (2)
Face fits with the first annular step (31), and interference is matched between the metal shell (3) and the metal heat-conducting plate (2)
It closes, the bottom surface of the metal heat-conducting plate (2) is provided with accommodating cavity, and the LED light source (1) is affixed with the metal heat-conducting plate (2)
It closes and is located in the accommodating cavity, be provided with wiring hole (21) at the top of the metal heat-conducting plate (2).
2. LED illumination lamp according to claim 1, which is characterized in that the periphery wall of the metal shell (3) is provided with more
The protrusion (33) that item is vertically arranged, arranged for interval between adjacent raised (33).
3. LED illumination lamp according to claim 1, which is characterized in that further include: lens (4) and cover (5), the gold
The bottom for belonging to shell (3) is provided with the second ring-shaped step (32), and the bottom of the metal heat-conducting plate (2) is stretched out described first annular
Step (31) the whole structure in a ring of the cover (5) and is set with cooperating second ring-shaped step (32) to form annular groove
It is equipped with the bulge loop (51) being inserted into the annular groove, the cover (5) cooperates the metal heat-conducting plate (2) by the lens
(4) it clamps.
4. LED illumination lamp according to claim 3, which is characterized in that the top surface of the lens (4) be provided with it is described
The compatible diffuser (41) of LED light source (1), diffuser (41) the flare shape.
5. LED illumination lamp according to claim 3, which is characterized in that the bottom surface outer edge of the lens (4) is set as convex
Arc surface (42), the bottom surface inward flange of the cover (5) are set as annular and concave face (611).
6. LED illumination lamp according to claim 3, which is characterized in that the periphery wall of the lens (4) is provided with several
The bottom of one fixture block (43), the metal heat-conducting plate (2) is provided with several card slots (22), and first fixture block (43) is connected in institute
It states in card slot (22).
7. LED illumination lamp according to claim 1 and assemble method, which is characterized in that the top of the metal shell (3)
It is plugged with needle stand (6), the connecting contact pin (8) stretched out at the top of it is fixed on the needle stand (6), is fixed in the needle stand (6)
Circuit board (7), the circuit board (7) are electrically connected with the connecting contact pin (8), and the circuit board (7) is by running through the wiring
The electric wire in hole (21) is electrically connected with the LED light source (1).
8. LED illumination lamp according to claim 7, which is characterized in that the inner sidewall of the metal shell (3) is provided with ring
Shape skewed slot (34), the periphery wall of the needle stand (6) are provided with several second fixture blocks (61), the outer surface of second fixture block (61)
It is provided with the compatible inclined-plane (611) with the annular skewed slot (34).
9. LED illumination lamp according to claim 7, which is characterized in that the inner sidewall of the metal shell (3) is provided with fixed
Position slot (35), the periphery wall of the needle stand (6) are provided with locating piece (62), and the locating piece (62) is vertically inserted into the locating slot
(35) in.
10. a kind of assemble method, which is characterized in that for assembling LED illumination lamp, institute as described in any one of claim 1-9
Stating assemble method includes:
S1. it heats solder(ing) paste and is pre-fixed LED light source (1) on a sheet metal by solder(ing) paste, by the LED light source
(1) it is welded and fixed with the sheet metal；
S2. molding die is customized, the sheet metal for being welded with LED light source (1) is placed in the molding die, is used
Hydraulic device is to the metallic plate punching metal heat-conducting plate (2) are made；
S3. extrusion die is customized, metal heat-conducting plate (2) and metal shell (3) are placed into corresponding extrusion die, using liquid
Pressure equipment squeezes into the metal heat-conducting plate (2) in the metal shell (3), is interference fitted between the two with realizing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910069644.9A CN109798455B (en) | 2019-01-24 | 2019-01-24 | LED illuminating lamp and assembling method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910069644.9A CN109798455B (en) | 2019-01-24 | 2019-01-24 | LED illuminating lamp and assembling method |
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| CN109798455A true CN109798455A (en) | 2019-05-24 |
| CN109798455B CN109798455B (en) | 2021-03-05 |
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| CN208204571U (en) * | 2018-04-11 | 2018-12-07 | 宁波亚茂光电股份有限公司 | A kind of once light-distribution structure of directional light sources |
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