CN202327840U - LED (Light-emitting Diode) projection lamp - Google Patents
LED (Light-emitting Diode) projection lamp Download PDFInfo
- Publication number
- CN202327840U CN202327840U CN2011204349704U CN201120434970U CN202327840U CN 202327840 U CN202327840 U CN 202327840U CN 2011204349704 U CN2011204349704 U CN 2011204349704U CN 201120434970 U CN201120434970 U CN 201120434970U CN 202327840 U CN202327840 U CN 202327840U
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- lamp
- led
- copper sheet
- conductive copper
- snap ring
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Abstract
The utility model provides an LED (Light-emitting Diode) projection lamp comprising a lamp holder, a lamp head mounted on the lamp holder, and a power supply box for supplying power to the lamp head. The LED projection lamp is characterized in that heat radiation sheets which are transversely or vertically arranged at intervals are molded on the outer surface of the lamp holder; a concave cavity is formed on the front surface of the lamp holder and the lamp head is arranged in the concave cavity; the power supply box is mounted at the back part of the lamp holder; and the lamp head is connected with the power supply box through a lead. According to the LED projection lamp disclosed by the utility model, the heat radiation sheets are integrally molded on the lamp holder so as to save a trouble of conventionally arranging a heat radiation structure and improve the heat radiation performance of the lamp; the power supply box is connected to the outer part of a lamp body so that the lamp can be conveniently mounted and dismounted and can radiate heat in time; an electric connection structure of the lamp head is a detachable structure, and a chuck of an external lead and a conductive copper sheet of an LED lamp are not connected by welding, but are electrically connected through tightly screwing a screw, so that the operation is convenient and simple.
Description
Technical field
The utility model relates to a kind of LED lamp, particularly a kind of high power LED projector.
Background technology
In recent years; The high-powered LED lamp technical development is very fast; Thing followed heat dissipation problem also becomes the technical problem that needs to be resolved hurrily in the development of LED light fixture, guarantees that the heat radiation effectively reliably of LED light fixture not only can make light fixture normally to use, and can also prolong the service life of light fixture better.
In the prior art, be that the Chinese invention patent " LED Projecting Lamp " of CN200810115793.6 discloses a kind of like this LED Projecting Lamp, comprise lamp body, LED luminescence unit and lampshade if any application number; The LED luminescence unit is buckled between lampshade and the lamp body by seal closure; Wherein, the front of lamp body is provided with the boss installed surface that is used to install the LED luminescence unit, and lamp body is processed by the good material of heat conduction; And the version making of directly being pressed radiator, also be provided with radiating fin on its back side.Adopt the frame mode of back heat radiation to reach radiating effect in the above-mentioned patent; But be arranged within the cavity of lamp body in this patent the constant-current supply of LED lamp power supply; This makes the replacing of constant-current supply and maintenance bring some inconvenience, and need take lamp body apart can disassemble constant-current supply, and constant-current supply certain heat that can produce when changing jobs; Can increase the heat dissipation capacity of LED lamp body thus; Be unfavorable for the heat radiation of LED lamp body, therefore, said structure awaits to do further improvement.
The utility model content
The utility model technical problem to be solved is to above-mentioned prior art present situation a kind of easy accessibility, the simple in structure and better LED Projecting Lamp of thermal diffusivity to be provided.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of LED Projecting Lamp; Include lamp socket, be installed in the lamp holder on this lamp socket and can give the power supply box of said lamp holder power supply; It is characterized in that: the fin that described lamp socket outer surface forms laterally or longitudinal separation is provided with, the front of this lamp socket offers cavity, and said lamp holder is arranged in this cavity; Said power supply box is installed in the back of said lamp socket, and said lamp holder links to each other with said power supply box through lead.
The monoblock type installation and removal of lamp holder for ease; As preferably, described lamp holder includes lampshade and base plate, and said base plate is fixedly connected and forms a cavity with lampshade; Be equipped with deck, conductive copper sheet and snap ring in the said cavity; On the said deck led chip is installed, said conductive copper sheet comprises anodal conductive copper sheet that welds said led chip positive wire and the negative pole conductive copper sheet that welds said led chip negative wire, and said snap ring is connected on the said deck; Said positive and negative electrode conductive copper sheet is embedded in said snap ring, and said deck is fixed on the base plate; Wherein, Described positive and negative electrode conductive copper sheet respectively has a binding post; The outer ring of said snap ring is provided with the joint that can distinguish the binding post of ccontaining said positive and negative electrode conductive copper sheet; Offer first through hole that can supply screw to pass on the said joint, offer second through hole that can supply said screw to pass on the said binding post, also be provided with the pad that is connected on the said screw and is positioned at said binding post below in the said joint; Be provided with chuck between said binding post and the pad, this chuck is connected with the lead that can link to each other with said power supply box.
In order to enlarge area of dissipation, further improve the thermal diffusivity of led chip, as preferably, the middle part of said deck is formed with boss, and said led chip is fixedly set on this boss.
As preferably; The inner ring of said snap ring is formed with annular slot, and said joint and said annular slot are connected, and said positive and negative electrode conductive copper sheet is embedded in the said annular slot; And, the inner ring of said snap ring also be formed with can and the bulge loop that offsets of the end face of said boss.The setting of annular slot can guarantee the fixing of conductive copper sheet, and makes things convenient for the installation and the location of snap ring and base, improves connection reliability.
Impaired in order to prevent led chip, as preferably, form cavity between the inner ring of said snap ring and the boss of said deck, seal with silica gel in the said cavity.
In order further to improve the sealing reliability of silica gel; Preferred as further; The inner ring of said snap ring also is formed with the latch that is provided with at interval above said annular slot; Form draw-in groove between the adjacent said latch, the outer ring of said silica gel is formed with groove and the double wedge that can distinguish corresponding adaptive said latch and draw-in groove.
In order to realize the adjusting of lamp holder light angle, as preferably, also be connected with the U-shaped support on the said lamp socket, the back of said lamp socket is provided with the brace of two evaginations, between the two ends of said U-shaped support and the corresponding said brace through being hinged and connected.
Compared with prior art, the advantage of the utility model is: at first that fin is one-body molded on lamp socket, saved the trouble of other installation radiator structure, and improved the thermal diffusivity of light fixture; Secondly, power supply box is connected the lamp body outside, when being easy for installation and removal, can in time dispel the heat; The electric connection structure of lamp holder is detachable structure, is not through being welded to connect between the conductive copper sheet of the chuck of external wire and LED lamp, but realizes being electrically connected through the screw back of screwing; When the LED lamp needs repairing or changes chip; Can conveniently lamp holder be pulled down from lamp socket, also need not carry out welding operation when reinstalling, insert again in the joint of snap ring as long as will have the chuck of lead; Screwing with screw gets final product, more convenient to operate simple.
Description of drawings
Fig. 1 is one of perspective view of the utility model embodiment.
Fig. 2 be the utility model embodiment perspective view two.
Fig. 3 is the three-dimensional exploded view of the utility model embodiment.
Fig. 4 is the lamp holder three-dimensional exploded view of the utility model embodiment.
The specific embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
Like Fig. 1～shown in Figure 4; The LED Projecting Lamp of present embodiment is a kind of light fixture that large area lighting is used that is used for; This Projecting Lamp includes lamp socket 7, lamp holder T, power supply box 8 and U-shaped support 9, and wherein, all one-body molded before and after the outer surface of lamp socket 7 have a fin; Being positioned at lamp socket 7 anterior fin is setting at interval longitudinally, and the fin that is positioned at lamp socket 7 backs is horizontally arranged at interval for the edge; The anteriomedial position of lamp socket 7 also offers a cavity 71, is provided with lamp holder T in the cavity 71, and power supply box 8 is fixedly set in the back of lamp socket 7 and this power supply box 8 is realized through lead and the electrical connection of lamp holder T; The back of lamp socket 7 is provided with the brace 72 of two evaginations; The A/F of U-shaped support 9 just in time and the distance between two braces 72 suitable; The two ends of U-shaped support 9 link to each other through bolted splice respectively with between the corresponding brace 72, make lamp socket 7 to rotate with respect to U-shaped support 9, and lamp holder T are arranged in the lamp socket 7; As long as rotate lamp socket 7, just can realize the adjusting of lamp holder T lighting illumination intensity.
Present embodiment adopts following lamp holder T structure in order further to improve the thermal diffusivity of LED lamp, and this lamp holder T includes the lampshade 61 and base plate 62 that is fixedly connected on together; Connect the back between lampshade 61 and the base plate 62 and form a cavity; Be equipped with deck 1, snap ring 2 and conductive copper sheet 3 in this cavity, wherein, the middle part of deck 1 is formed with the boss 11 of the area of dissipation that can increase led chip 4; Can be provided with a plurality of led chips 4 on this boss 11, also offer a plurality of connecting holes 12 on the bottom surface of deck 1;
The centre of snap ring 2 offers the suitable perforate 21 of size and the boss of deck 11; Snap ring 2 is set on the boss 11 of this deck 1; The bottom surface of snap ring 2 links to each other through the screw 34 that passes installing hole 22 and connecting hole 12 between snap ring 2 and the deck 1 along the corresponding installing hole 22 of connecting hole that circumferentially is distributed with on ability and the deck 1; The inner ring of snap ring 2 is along circumferentially offering annular slot 23; The outer ring of snap ring 2 is provided with the joint 24 of the binding post 31 that can distinguish ccontaining positive and negative electrode conductive copper sheet 3; The inner chamber of joint 24 and annular slot 23 are connected; Positive and negative electrode conductive copper sheet 3 is embedded in the annular slot 23, and, the inner ring of snap ring 2 be positioned at annular slot 23 below also be formed with can and the bulge loop 25 that offsets of the end face of boss 11; After snap ring 2 was set on the deck 1, the bulge loop 25 of snap ring 2 inner rings just in time offseted with boss 11 end faces of deck 1.
During assembling; Snap ring 2 and deck 1 is one-body molded fixing through particular manufacturing craft, on the boss 11 of deck 1, stick led chip 4 then, the inner ring perforate 21 of snap ring 2 and post between deck 1 boss 11 of led chip 4 and form cavity; This cavity is with silica gel 5 sealings; In order to improve the connection reliability of snap ring 2 and deck 1, wherein, the inner ring of snap ring 2 also is formed with the latch 261 that concavo-convex interval is provided with above annular slot 23; Form draw-in groove 262 between the adjacent latch 261, the outer ring of silica gel 5 is formed with the groove 51 and double wedge 52 that can distinguish corresponding adaptive latch 261 and draw-in groove 262.
Connection between LED lamp body and the external power supply and dismounting for ease; Offer first through hole 241 that can supply screw 34 to pass on snap ring 2 joints 24 of present embodiment; Then offer second through hole 311 that can supply screw 34 to pass on the binding post 31 of each conductive copper sheet 3; Also be provided with the pad 33 that can supply screw 34 to pass and be positioned at binding post 31 lower ends in the joint 24; The chuck 32 of external wire 321 is inserted between binding post 31 and the pad 33; Then screw 34 is arranged in first through hole 241 and second through hole 311, tightens through screw 34 between joint 24, binding post 31, chuck 32 and the pad 33, an end of external wire 321 promptly is fixed in the joint 24 of snap ring 2; And when LED lamp support 9 is changed or reinstalled to needs; Only need unscrew screw 34 this moment; Just can external wire 321 be separated with LED lamp holder T, be more convenient for installation and removal, need not to use soldering appliance just can realize the quick connection of lead.
Present embodiment adopts lamp socket 7 and fin integral type project organization, has saved material, has made things convenient for installation; And power supply box 8 is installed in outside the lamp socket 7, realizes the electrical connection between lamp holder T and the power supply box 8 through removable chuck; When guaranteeing heat radiation, convenient assembling and dismounting.
Claims (7)
1. LED Projecting Lamp; Include lamp socket, be installed in the lamp holder on this lamp socket and can give the power supply box of said lamp holder power supply; It is characterized in that: the fin that described lamp socket outer surface forms laterally or longitudinal separation is provided with, the front of this lamp socket offers cavity, and said lamp holder is arranged in this cavity; Said power supply box is installed in the back of said lamp socket, and said lamp holder links to each other with said power supply box through lead.
2. LED Projecting Lamp according to claim 1; It is characterized in that: described lamp holder includes lampshade and base plate; Said base plate is fixedly connected and forms a cavity with lampshade, be equipped with deck, conductive copper sheet and snap ring in the said cavity, on the said deck led chip is installed; Said conductive copper sheet comprises anodal conductive copper sheet that welds said led chip positive wire and the negative pole conductive copper sheet that welds said led chip negative wire; Said snap ring is connected on the said deck, and said positive and negative electrode conductive copper sheet is embedded in said snap ring, and said deck is fixed on the base plate;
Wherein, Described positive and negative electrode conductive copper sheet respectively has a binding post; The outer ring of said snap ring is provided with the joint that can distinguish the binding post of ccontaining said positive and negative electrode conductive copper sheet; Offer first through hole that can supply screw to pass on the said joint, offer second through hole that can supply said screw to pass on the said binding post, also be provided with the pad that is connected on the said screw and is positioned at said binding post below in the said joint; Be provided with chuck between said binding post and the pad, this chuck is connected with the lead that can link to each other with said power supply box.
3. LED Projecting Lamp according to claim 2 is characterized in that: the middle part of said deck is formed with boss, and said led chip is fixedly set on this boss.
4. LED Projecting Lamp according to claim 3; It is characterized in that: the inner ring of said snap ring is formed with annular slot; Said joint and said annular slot are connected; Said positive and negative electrode conductive copper sheet is embedded in the said annular slot, and, the inner ring of said snap ring also be formed with can and the bulge loop that offsets of the end face of said boss.
5. LED Projecting Lamp according to claim 4 is characterized in that: form cavity between the inner ring of said snap ring and the boss of said deck, seal with silica gel in the said cavity.
6. LED Projecting Lamp according to claim 5; It is characterized in that: the inner ring of said snap ring also is formed with the latch that is provided with at interval above said annular slot; Form draw-in groove between the adjacent said latch, the outer ring of said silica gel is formed with groove and the double wedge that can distinguish corresponding adaptive said latch and draw-in groove.
7. according to the described LED Projecting Lamp of arbitrary claim in the claim 1～6; It is characterized in that: also be connected with the U-shaped support on the said lamp socket; The back of said lamp socket is provided with the brace of two evaginations, between the two ends of said U-shaped support and the corresponding said brace through being hinged and connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204349704U CN202327840U (en) | 2011-11-04 | 2011-11-04 | LED (Light-emitting Diode) projection lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204349704U CN202327840U (en) | 2011-11-04 | 2011-11-04 | LED (Light-emitting Diode) projection lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202327840U true CN202327840U (en) | 2012-07-11 |
Family
ID=46439821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204349704U Expired - Fee Related CN202327840U (en) | 2011-11-04 | 2011-11-04 | LED (Light-emitting Diode) projection lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202327840U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105757530A (en) * | 2016-02-03 | 2016-07-13 | 南通中铁华宇电气有限公司 | High-power projection LED optical engine based on high-heat-dissipation substrate and integrated packaging technology |
-
2011
- 2011-11-04 CN CN2011204349704U patent/CN202327840U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105757530A (en) * | 2016-02-03 | 2016-07-13 | 南通中铁华宇电气有限公司 | High-power projection LED optical engine based on high-heat-dissipation substrate and integrated packaging technology |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: NINGBO LUSHENG PHOTOELECTRIC CO., LTD. Assignor: Ningbo Yinzhou Jiatao Light Co., Ltd. Contract record no.: 2012330000449 Denomination of utility model: LED (light-emitting diode) projection lamp Granted publication date: 20120711 License type: Exclusive License Record date: 20120730 |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: NINGBO LUSHENG PHOTOELECTRIC CO., LTD. Assignor: Ningbo Yinzhou Jiatao Light Co., Ltd. Contract record no.: 2012330000449 Denomination of utility model: LED (light-emitting diode) projection lamp Granted publication date: 20120711 License type: Exclusive License Record date: 20120730 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120711 Termination date: 20161104 |