CN202371575U - MR16 type LED (Light-Emitting Diode) spot lamp - Google Patents
MR16 type LED (Light-Emitting Diode) spot lamp Download PDFInfo
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- CN202371575U CN202371575U CN2011204867493U CN201120486749U CN202371575U CN 202371575 U CN202371575 U CN 202371575U CN 2011204867493 U CN2011204867493 U CN 2011204867493U CN 201120486749 U CN201120486749 U CN 201120486749U CN 202371575 U CN202371575 U CN 202371575U
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- light
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- spot lamp
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Abstract
The utility model discloses an MR16 type LED (Light-Emitting Diode) spot lamp, comprising a spot lamp shell component, an LED light source component, a power driving component and a radiating component, wherein the spot lamp shell component is a closed cavity shell consisting of a spot lamp shell, a light-transmitting piece and a bottom plate; the LED light source component comprises an LED chip particle and a reflecting cup; the power driving component comprises a power supply device; radiating fins are distributed and connected at the periphery of the spot lamp shell in a ring-shaped covering manner; a ring-shaped boss is arranged on the bottom plate in the closed cavity of the spot lamp shell component; heat conducting glue is laid on the bottom plate and in a round hole at the lower part of the ring-shaped boss; a ceramic chip is bonded on the heat conducting glue; the LED chip particle is fixedly arranged on the ceramic chip; the outward-bending part at the top of the spot lamp shell and the light-transmitting piece form a front surface of the spot lamp; ventilating holes are uniformly distributed in the outward-bending part of the top of the spot lamp shell along the circumferential direction; and the ventilating holes are communicated with radiating grooves of the radiating fins so as to form a heat-convection channel. The MR16 type LED spot lamp disclosed by the utility model has the advantages of excellent radiating performance, reasonable structure and low processing and manufacturing cost and the like.
Description
Technical field
The utility model relates to a kind of MR16 type shot-light, and the MR16 type LED shot-light of particularly a kind of good heat dissipation effect, long service life belongs to technical field of semiconductor illumination.
Background technology
LED has that volume is little, power consumption is low, long service life, high brightness, low in calories, environmental protection, sturdy and durable, changeable advantage such as unreal; Be called as after incandescent lamp, sodium vapor lamp, fluorescent lamp the 4th generation light source; Be widely used in various indoor, outdoor display screens, in the view and white-light illuminating of building such as traffic signals, tunnel, mansion, outdoor billboard, park night scene, airport, subway, overhead viaduct.MR16 is a kind of by standard specification halogen reflectoscope that numerous manufacturer formulated.The heat dispersion of existing MR16 type LED shot-light on the market is not very desirable, and the luminous efficiency of LED and life-span can be affected.Some MR16 type LED shot-light complex structure, the processing and manufacturing cost is higher.
The utility model content
The purpose of the utility model is to overcome the not enough of prior art and a kind of MR16 type LED shot-light is provided, and has that heat dispersion is superior, rational in infrastructure, the processing and manufacturing low cost and other advantages.The radiator structure of the utility model LED shot-light can make the heat of the luminous generation of LED derive rapidly, and is dispersed into fast in the air, can significantly improve the service life of shot-light.
Create purpose for reaching foregoing invention, the utility model adopts following technical proposals:
A kind of MR16 type LED shot-light is made up of the enclosed cavity housing that the shot-light housing unit is made up of shot-light shell, light transmission piece and base plate shot-light housing unit, led light source assembly, power drives assembly, radiating subassembly; The led light source assembly comprises at least one led chip particle and reflector; The led light source assembly is installed in the enclosed cavity of shot-light housing unit, and the enclosed cavity rear portion of shot-light housing unit also connects a power source cavity, and the power drives assembly comprises the supply unit that is arranged in the power source cavity; Supply unit is electrically connected with led chip particle and power taking pin pin respectively; The peripheral annular of shot-light shell distributes to cover and connects radiating fin, on base plate, has a wiring hole, and the lead between led chip particle and the supply unit passes wiring hole; On the base plate in the enclosed cavity of shot-light housing unit annular boss is installed; Heat-conducting glue is being laid on the base plate and in the circular port scope in the annular boss bottom in the bottom of the top support reflector of annular boss, and potsherd is bonded on the heat-conducting glue; The led chip granulopexy is on potsherd; It is positive that the outside bending part of shot-light cover top portion and light transmission piece are formed shot-light, and the outside bending part of shot-light cover top portion is along circumferential even distribution passage, between the radiating groove of passage and radiating fin together with and form the thermal convection current passage.
Above-mentioned supply unit has the constant-current circuit system; The constant-current circuit system comprises AC/DC module and DC/DC step-down module; The AC/DC module is connected with the alternating current input circuit; The DC output end of AC/DC module is electrically connected with the HVDC electrical input of DC/DC step-down module; The low-voltage DC output of DC/DC step-down module is connected with the low-voltage DC output circuit of supply unit, and the low-voltage DC output of low-voltage DC output circuit is electrically connected with the led chip particle through lead, and the input of alternating current input circuit is electrically connected with power taking pin pin.
As the technological improvement of the utility model, also be provided with thermal-shutdown circuit in the above-mentioned supply unit.
The front end and the light transmission piece of above-mentioned shot-light shell are tightly connected; Light transmission piece is fixed through a snap ring; Snap ring is close to the front side of the outside bending part of shot-light cover top portion and is tightened light transmission piece; Snap ring is provided with the through hole corresponding with the passage of shot-light shell, and snap ring and shot-light shell are fastenedly connected through screw.
The front end of above-mentioned shot-light shell is provided with cannelure, is provided with sealing ring in the cannelure or inserts fluid sealant, and light transmission piece is connected with the shot-light body seal.
The top of above-mentioned reflector is fixed by light transmission piece.
Above-mentioned shot-light shell and base plate are preferably one-body molded member.
The utility model has following substantive distinguishing features and advantage compared with prior art:
1. the passage of the through hole of the snap ring of the utility model LED shot-light and the outside bending part of cover top portion has strengthened circulation, the convection current of air, not only helps heat radiation, the lightweight that also helps alleviating the LED shot-light, and save material cost.
2. the shot-light shell of the utility model LED shot-light and radiating fin form the bridge of heat conduction, can the heat energy that the LED shot-light produces be derived rapidly, and be dispersed in the air.
3. the radiator structure of the utility model LED shot-light is realized conduction pattern and the collaborative heat radiation of convection type; The heat of the luminous generation of LED is derived rapidly; And be dispersed into fast in the air, can significantly improve the service life of shot-light, and help improving the luminous efficiency of led chip particle.
4. the thermal-shutdown circuit of the power supply of the utility model LED shot-light helps protecting the led chip particle; When the temperature of led chip particle surpasses 80 ℃; Supply unit is outage automatically, prevents that led chip particle Yin Wendu is too high and burns out, and improves the working life of led chip particle.
5. sealing ring below the light transmission piece of the utility model LED shot-light or fluid sealant have played the effect of good water proof and dust proof, and the enclosed cavity that the shot-light housing unit is formed has better air-tightness and water-stop property.
Description of drawings
Fig. 1 is the axial cutaway view of the LED shot-light of the utility model embodiment one.
Fig. 2 is the light-emitting area front-end architecture front view of the LED shot-light of the utility model embodiment one.
Fig. 3 is the external structure sketch map of the LED shot-light of the utility model embodiment one.
Fig. 4 is the axial cutaway view of the LED shot-light of the utility model embodiment three.
Fig. 5 is the light-emitting area front-end architecture front view of the LED shot-light of the utility model embodiment three.
The specific embodiment
The preferred embodiment accompanying drawings of the utility model is following:
Embodiment one:
Referring to Fig. 1～Fig. 3; A kind of MR16 type LED shot-light is made up of the enclosed cavity housing that the shot-light housing unit is made up of shot-light shell 1, light transmission piece 2 and base plate 8 shot-light housing unit, led light source assembly, power drives assembly, radiating subassembly; The led light source assembly comprises at least one led chip particle 15 and reflector 5; The led light source assembly is installed in the enclosed cavity of shot-light housing unit, and the enclosed cavity rear portion of shot-light housing unit also connects a power source cavity 10, and the power drives assembly comprises the supply unit 11 that is arranged in the power source cavity 10; Supply unit 11 is electrically connected with led chip particle 15 and power taking pin pin 12 respectively; The peripheral annular of shot-light shell 1 distributes to cover and connects radiating fin 6, on base plate 8, has a wiring hole 9, and the lead between led chip particle 15 and the supply unit 11 passes wiring hole 9; Annular boss 7 is installed on the base plate 8 in the enclosed cavity of shot-light housing unit; Heat-conducting glue 13 is being laid on the base plate 8 and in the circular port scope of annular boss 7 bottoms in the bottom of the top support reflector 5 of annular boss 7, and potsherd 14 is bonded on the heat-conducting glue 13; Led chip particle 15 is fixed on the potsherd 14; It is positive that the outside bending part in shot-light shell 1 top and light transmission piece 2 formed shot-lights, and the outside bending part in shot-light shell 1 top is along circumferential even distribution passage 17, between the radiating groove of passage 17 and radiating fin 6 together with and form the thermal convection current passage.In the present embodiment, the passage 17 of the outside bending part in shot-light shell 1 top has strengthened circulation, the convection current of air, not only helps heat radiation, the lightweight that also helps alleviating the LED shot-light, and save material cost; And shot-light shell 1 and radiating fin 6 form the bridge of heat conduction, can the heat energy that the LED shot-light produces be derived rapidly, and be dispersed in the air.Through the collaborative heat radiation of conduction pattern and convection type, the heat of the luminous generation of LED is derived rapidly, and be dispersed into fast in the air, can significantly improve the service life of shot-light, and help improving the luminous efficiency of led chip particle.In the present embodiment, the material of shot-light shell 1 and radiating fin 6 can adopt the plastics of high thermal conductivity, not only helps heat conduction, has also improved the security performance of light fixture.And plastics adopt injection mo(u)lding, do not need secondary operations, low cost of manufacture.
Referring to Fig. 1; After supply unit 11 energisings; The AC/DC module transforms direct current with the alternating current of 220V; DC/DC step-down module is converted into low-voltage DC with driving LED chip particle 15 with high voltage direct current, makes led chip particle 15 luminous, and the heat of led chip particle 15 luminous generations is transmitted on the base plate 8 through potsherd 14, heat-conducting glue 13.Heat on the base plate 8 is transmitted on the radiating fin 6 through shot-light shell 1, and the heat on the radiating fin 6 is dispersed in the ambient air.And passage 17 has promoted flowing of hot-air, has strengthened comprehensive radiating effect.
Referring to Fig. 1; In the present embodiment; Shot-light shell 1 and base plate 8 member that is formed in one makes the shot-light housing unit get globality intensity and obtain better guarantees, and its processing and manufacturing is convenient; Make the sealing of enclosed cavity of shot-light housing unit more reliable, strengthened the whole shake-proof ability of light fixture simultaneously.
Embodiment two:
The technical scheme of present embodiment and embodiment one is basic identical, and difference is:
Also be provided with thermal-shutdown circuit in the supply unit 11.In the present embodiment, be provided with thermal-shutdown circuit in the power supply 11, when the temperature of led chip particle surpassed 80 ℃, supply unit is outage automatically, and led chip particle 15 is quit work.Prevent that led chip particle 15 from burning out because of temperature is too high, play the effect of better protection chip, can improve the working life of led chip particle 15.
Embodiment three:
The technical scheme of present embodiment and embodiment one and embodiment two is basic identical, and difference is:
Referring to Fig. 4 and Fig. 5; The front end of shot-light shell 1 and light transmission piece 2 are tightly connected; Light transmission piece 2 is fixing through a snap ring 16; Snap ring 16 is close to the front side of the outside bending part in shot-light shell 1 top and is tightened light transmission piece 2, and snap ring 16 is provided with the through hole corresponding with the passage of shot-light shell 1 17, and snap ring 16 is fastenedly connected through screw 18 with shot-light shell 1.In the present embodiment; Passage 17 positions of the outside bending part of the through hole of snap ring 16 and shot-light shell 1 top are corresponding and form the air conducting passage, strengthened circulation, the convection current of air, not only help heat radiation; Also help alleviating the lightweight of LED shot-light, and save material cost.
Referring to Fig. 4, in the present embodiment, the front end of shot-light shell 1 is provided with cannelure 4, is provided with sealing ring 3 in the cannelure 4 or inserts fluid sealant, and light transmission piece 2 and shot-light shell 1 are tightly connected.Sealing ring 3 below the light transmission piece 2 has played the effect of good water proof and dust proof.
Referring to Fig. 4, the top of reflector 5 is fixed by light transmission piece 2.Reflector 5 compresses through light transmission piece 2, can guarantee the structural stability that reflector 5 is installed, and strengthens the whole shake-proof ability of light fixture.
Combine accompanying drawing that the utility model embodiment is illustrated above; But the utility model is not limited to the foregoing description; Can also make multiple variation according to the purpose that the utility model of the utility model is created, change, the modification of making under all spirit according to the utility model technical scheme and the principle, substitute, combination, simplify, all should be equivalent substitute mode; As long as meet the structure and the aufbauprinciple that are used for the utility model MR16 type LED shot-light, all belong to the protection domain of the utility model.
Claims (9)
1. MR16 type LED shot-light; Form by shot-light housing unit, led light source assembly, power drives assembly, radiating subassembly; The enclosed cavity housing that said shot-light housing unit is made up of shot-light shell (1), light transmission piece (2) and base plate (8); Said led light source assembly comprises at least one led chip particle (15) and reflector (5); Said led light source assembly is installed in the enclosed cavity of said shot-light housing unit; The enclosed cavity rear portion of said shot-light housing unit also connects a power source cavity (10); Said power drives assembly comprises the supply unit (11) that is arranged in the said power source cavity (10), and said supply unit (11) is electrically connected with said led chip particle (15) and power taking pin pin (12) respectively, and the peripheral annular of said shot-light shell (1) distributes to cover and connects radiating fin (6); It is characterized in that: on said base plate (8), have a wiring hole (9); Lead between said led chip particle (15) and the said supply unit (11) passes said wiring hole (9), and the base plate in the enclosed cavity of said shot-light housing unit (8) is gone up annular boss (7), the bottom of the said reflector of top support (5) of said annular boss (7) are installed; Go up and in the circular port scope of said annular boss (7) bottom, lay heat-conducting glue (13) at said base plate (8); Potsherd (14) is bonded on the said heat-conducting glue (13), and led chip particle (15) is fixed on the said potsherd (14), and it is positive that outside bending part in said shot-light shell (1) top and said light transmission piece (2) are formed shot-light; The outside bending part in said shot-light shell (1) top is along circumferential even distribution passage (17), between the radiating groove of said passage (17) and said radiating fin (6) together with and form the thermal convection current passage.
2. MR16 type LED shot-light according to claim 1; It is characterized in that: said supply unit (11) has the constant-current circuit system; Said constant-current circuit system comprises AC/DC module and DC/DC step-down module; The AC/DC module is connected with the alternating current input circuit; The DC output end of said AC/DC module is electrically connected with the HVDC electrical input of said DC/DC step-down module; The low-voltage DC output of said DC/DC step-down module is connected with the low-voltage DC output circuit of said supply unit (11), and the low-voltage DC output of said low-voltage DC output circuit is electrically connected with said led chip particle (15) through lead, and the input of said alternating current input circuit is electrically connected with said power taking pin pin (12).
3. MR16 type LED shot-light according to claim 2, it is characterized in that: said supply unit also is provided with thermal-shutdown circuit in (11).
4. according to any described MR16 type LED shot-light in the claim 1～3; It is characterized in that: the front end of said shot-light shell (1) and said light transmission piece (2) are tightly connected; Said light transmission piece (2) is fixing through a snap ring (16); Said snap ring (16) is close to the front side of the outside bending part in said shot-light shell (1) top and is tightened said light transmission piece (2); Said snap ring (16) is provided with the through hole corresponding with the passage (17) of said shot-light shell (1), and said snap ring (16) is fastenedly connected through screw (18) with shot-light shell (1).
5. MR16 type LED shot-light according to claim 4; It is characterized in that: the front end of said shot-light shell (1) is provided with cannelure (4); Be provided with sealing ring (3) in the said cannelure (4) or insert fluid sealant, said light transmission piece (2) and shot-light shell (1) are tightly connected.
6. MR16 type LED shot-light according to claim 4, it is characterized in that: the top of said reflector (5) is fixed by light transmission piece (2).
7. according to any described MR16 type LED shot-light in the claim 1～3, it is characterized in that: said shot-light shell (1) and base plate (8) member that is formed in one.
8. MR16 type LED shot-light according to claim 5 is characterized in that: said shot-light shell (1) and base plate (8) member that is formed in one.
9. MR16 type LED shot-light according to claim 6 is characterized in that: said shot-light shell (1) and base plate (8) member that is formed in one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204867493U CN202371575U (en) | 2011-11-30 | 2011-11-30 | MR16 type LED (Light-Emitting Diode) spot lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204867493U CN202371575U (en) | 2011-11-30 | 2011-11-30 | MR16 type LED (Light-Emitting Diode) spot lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202371575U true CN202371575U (en) | 2012-08-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204867493U Expired - Fee Related CN202371575U (en) | 2011-11-30 | 2011-11-30 | MR16 type LED (Light-Emitting Diode) spot lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202371575U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016023343A1 (en) * | 2014-08-15 | 2016-02-18 | 佛山市崇达照明电器有限公司 | Novel led lamp |
| CN106851981A (en) * | 2017-03-08 | 2017-06-13 | 漳州立达信光电子科技有限公司 | A kind of integral LED shot-light |
| CN107883207A (en) * | 2017-11-11 | 2018-04-06 | 惠州市无龄康态健康科技有限公司 | The through heat dissipation device of LED lamp of ripple sheet |
-
2011
- 2011-11-30 CN CN2011204867493U patent/CN202371575U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016023343A1 (en) * | 2014-08-15 | 2016-02-18 | 佛山市崇达照明电器有限公司 | Novel led lamp |
| GB2543974A (en) * | 2014-08-15 | 2017-05-03 | Avatar Ind Ltd | Novel LED lamp |
| CN106851981A (en) * | 2017-03-08 | 2017-06-13 | 漳州立达信光电子科技有限公司 | A kind of integral LED shot-light |
| CN107883207A (en) * | 2017-11-11 | 2018-04-06 | 惠州市无龄康态健康科技有限公司 | The through heat dissipation device of LED lamp of ripple sheet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120808 Termination date: 20121130 |