CN201232904Y - Light source assembly of LED street lamp - Google Patents
Light source assembly of LED street lamp Download PDFInfo
- Publication number
- CN201232904Y CN201232904Y CNU2008200953996U CN200820095399U CN201232904Y CN 201232904 Y CN201232904 Y CN 201232904Y CN U2008200953996 U CNU2008200953996 U CN U2008200953996U CN 200820095399 U CN200820095399 U CN 200820095399U CN 201232904 Y CN201232904 Y CN 201232904Y
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- Prior art keywords
- light
- led road
- cylindrical
- led
- source component
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Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model discloses an LED street lamp illuminant component, which at least comprises an LED street lamp illuminant and joints enclosed on both ends of the LED street lamp illuminant. The LED street lamp illuminant is a cylindrical LED street lamp illuminant, which comprises at least one cylindrical baseplate. A plurality of LEDs are electrically connected on the cylindrical baseplate. By adopting the structure, the cylindrical LED street lamp illuminant can be directly arranged in the prior general street lamp housing through the joints, which can be directly exchanged with the general street lamp illuminant, thus significantly reducing the cost for rebuilding the conventional street lamp into the LED street lamp and facilitating the popularization and the application of the LED street lamp.
Description
Technical field
The utility model relates to lighting technical field, relates in particular to a kind of LED road lamp light source component.
Background technology
As everyone knows, street lamp is one of important applied field of electric light technology.Along with the continuous development of science and technology, the street lamp product is also constantly being weeded out the old and bring forth the new: develop into mercury lamp from incandescent lamp, to metal halid lamp, arrive sodium vapor lamp (high pressure, low pressure) again, up-to-date LED (Light Emitting Diode, light emitting diode) semiconductor lamp.Therefore the LED street lamp more and more obtains people's favor because have advantages such as life-span length, energy-saving and environmental protection.
The LED street lamp generally is made of LED road-light light-source, radiator, reflector and lamp socket etc.Existing LED street lamp adopts plate lighting, and its LED road-light light-source is plate LED road-light light-source, just some LEDs is welded on the one flat plate type substrate for example plate PCB (Printed CircuitBoard, printed circuit board (PCB)).Described plate LED road-light light-source can be made up of many ￠ 5mm low-power LEDs, perhaps plate LED road-light light-source is made up of great power LEDs such as many 1W, 3W or 5W, perhaps plate LED road-light light-source is made up of great power LEDs such as many 10W, 20W, and plate LED road-light light-source, radiator, reflector and lamp socket can be integrated.Because illuminating LED belongs to the power type semiconductor device, it has a lot of heats and sends when work, needs in time heat to be dispersed in the air to go, not so the LED temperature rises, brightness will soon decay, even damages LED, and the life-span of LED road-light light-source is reduced.So the LED street lamp generally all will adopt the radiator structure design, normally adopts aluminium base to add the aluminium section bar fin, adds natural heat dissipation, wind-cooling heat dissipating or heat pipe heat radiation, also have and adopt semiconductor chilling plate to dispel the heat.Because the LED road-light light-source of existing LED street lamp is plate, and universal road-light light-source is a cylindrical, so existing plate LED road-light light-source is difficult to directly be installed in the universal streetlamp housing, so it is poor with universal road-light light-source interchangeability, must change existing universal street lamp lamp socket if want to use the LED street lamp, cause the cost of street lamp improvement project too high, this has had a strong impact on the popularization and application of LED street lamp undoubtedly.
In summary, existing LED road lamp light source component obviously exists inconvenience and defective, so be necessary to be improved on reality is used.
The utility model content
At above-mentioned defective, the purpose of this utility model is to provide a kind of LED road lamp light source component, and it can be directly installed in the universal streetlamp housing, thereby helps the popularization and application of LED street lamp.
To achieve these goals, the utility model provides a kind of LED road lamp light source component, at least include the LED road-light light-source and be sheathed on the joint at described LED road-light light-source two ends respectively, described LED road-light light-source is a cylindrical LED road-light light-source, described cylindrical LED road-light light-source comprises at least one cylindrical substrate, and electricly on the described cylindrical substrate is connected with some LEDs.
According to LED road lamp light source component of the present utility model, described LED road-light light-source is with at least one light transmission body outward, and described two joints are set in the two ends of described light transmission body respectively.
According to LED road lamp light source component of the present utility model, the face of cylinder type that is shaped as of described light transmission body, fan cylindrical, polygon cylindrical or polygon fan cylindrical.
According to LED road lamp light source component of the present utility model, the material of described light transmission body is simple glass, quartz glass, lucite or PVC; And/or the surface of described light transmission body is transparent type or frosted type.
According to LED road lamp light source component of the present utility model, the port of described at least one joint is provided with fan or air pump; And/or radiator or heat pipe be installed in the cavity of described cylindrical substrate; And/or the back side of described cylindrical substrate is covered with at least one metallic radiating layer or alloy heat dissipating layer.
According to LED road lamp light source component of the present utility model, described LED road lamp light source component is fixed in the universal streetlamp housing by described two joints.
According to LED road lamp light source component of the present utility model, described some LEDs are welded on the described cylindrical substrate with SMD or plug-in type; And/or the power of described single LEDs is 0.03W～5W.
According to LED road lamp light source component of the present utility model, the face of cylinder type that is shaped as of described cylindrical substrate, fan cylindrical, polygon cylindrical or polygon fan cylindrical.
According to LED road lamp light source component of the present utility model, described cylindrical substrate is pcb board, flexible PCB plate, aluminium base or copper base.
According to LED road lamp light source component of the present utility model, described cylindrical substrate is positioned to type by several plate substrate windings; Perhaps described cylindrical substrate is by a plate substrate bending forming.
LED road-light light-source of the present utility model adopts cylindrical LED road-light light-source, described cylindrical LED road-light light-source comprises the cylindrical substrate, and electricly on the described cylindrical substrate be connected with some LEDs, and cylindrical LED road-light light-source can be directly installed in the existing universal streetlamp housing by joint, can directly exchange with universal road-light light-source, thereby greatly reduce the improvement cost that conventional road lamp is transform as the LED street lamp, play the effect of the popularization and application that promotes the LED street lamp.Preferably, described cylindrical LED road-light light-source can also outer be with the light transmission body, to play the effect of protection cylindrical LED road-light light-source; More preferably, described cylindrical LED road-light light-source directly passes through wind-cooling heat dissipating.
Description of drawings
Fig. 1 is the three-dimensional structure diagram of the preferred LED road lamp light source component of the utility model;
Fig. 2 is the three-dimensional exploded view of the preferred LED road lamp light source component of the utility model;
Fig. 3 is the sectional structure chart of the preferred LED road lamp light source component of the utility model;
Fig. 4 A and Fig. 4 B are respectively the front fabric swatch figure and the bottom surface fabric swatch figure of the preferred cylindrical substrate of the utility model (PCB);
Fig. 5 is the circuit theory diagrams of the preferred cylindrical LED of the utility model road-light light-source;
Fig. 6 A～Fig. 6 C is respectively three enforcement stereograms of cylindrical LED road-light light-source of the present utility model;
Fig. 7 is the schematic diagram that the utility model LED road lamp light source component is installed to universal streetlamp housing.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Basic thought of the present utility model is: in the LED street lamp traditional plate LED road-light light-source changed into and adopt cylindrical LED road-light light-source, this cylindrical LED road-light light-source can be directly installed in the existing universal streetlamp housing, thereby helps the penetration and promotion of LED street lamp application.
Fig. 1～Fig. 3 shows the preferred LED road lamp light source component of the utility model structure, and described LED road lamp light source component 10 comprises cylindrical LED road-light light-source 1, light transmission body 2 and two joints 3.At least one light transmission body 2 of described cylindrical LED road-light light-source 1 overcoat, and two joints 3 can be set in the two ends of light transmission body 2 respectively, and viscose glue.Described joint 3 outsides are that insulation or nonisulated material are made, and are preferably plastic connector.Described LED road lamp light source component 10 can be fixed in traditional universal streetlamp housing by two joints 3.
LED road-light light-source of the present utility model adopts cylindrical LED road-light light-source 1, the shape of this cylindrical LED road-light light-source 1 is preferably Fig. 1～face of cylinder type shown in Figure 3, at least one cylindrical substrate of providing electronic devices and components to be electrically connected of being used to is provided described cylindrical LED road-light light-source 1, and electricly on the described cylindrical substrate is connected with some LEDs.Described cylindrical substrate can be pcb board, flexible PCB plate, aluminium base or copper base etc.Fig. 4 A and Fig. 4 B are respectively the front fabric swatch figure and the bottom surface fabric swatch figure of the preferred cylindrical substrate of the utility model, and the cylindrical substrate in this example adopts pcb board.Preferably, by mode windings such as plastic plate and rivet location moulding, perhaps described cylindrical substrate is by a plate substrate bending forming by several plate substrates for the cylindrical substrate of cylindrical LED road-light light-source 1 of the present utility model.The bending radius scope of this cylindrical substrate is preferably 10mm～100mm, and the length of this cylindrical substrate is preferably 50mm～500mm.Described some LEDs are welded on the described cylindrical substrate with SMD or plug-in type, and the power of described single LEDs is preferably 0.03W～5W, and LED number and unrestricted.
Fig. 5 is the circuit theory diagrams of the preferred cylindrical LED of the utility model road-light light-source 1, be provided with 1800 LED among Fig. 5 on the cylindrical substrate altogether, wherein adopt 10 LED series connection to become 1 LED lamp group, totally 180 such LED lamp groups are connected in parallel to each other, externally under the power supply of power supply, 1800 LED of cylindrical LED road-light light-source 1 use of can throwing light on simultaneously.
The shape of cylindrical LED road-light light-source 1 of the present utility model can also be other cylindricals except being the type of the face of cylinder.As shown in Figure 6A, the shape of cylindrical LED road-light light-source 1 can be the fan cylindrical, and this fan cylinder fan angular range is preferably 10 degree～360 degree.Shown in Fig. 6 B, the shape of cylindrical LED road-light light-source 1 can be polygon cylindrical.Shown in Fig. 6 C, the fan cylindrical that the shape of cylindrical LED road-light light-source 1 can also not sealed just directly bends to an arc to substrate.Certainly, the shape of cylindrical LED road-light light-source 1 also is cylindricals such as polygon fan cylindrical, does not do at this and gives unnecessary details.
Because the LED street lamp has when work and sends a large amount of heats, need in time heat to be dispersed in the air to go, therefore preferably be provided with fan 4 on the port of at least one joint 3 of described LED road lamp light source component 10, the fan 4 preferred screws that adopt are connected with joint 3, and fan 4 also can adopt air pump to substitute certainly.The wind of fan 4 fan-outs is to the cylindrical substrate of cylindrical LED road-light light-source 1, to realize direct wind-cooling heat dissipating.In addition, in the cavity of the cylindrical substrate of described cylindrical LED road-light light-source 1 radiator or heat pipe etc. can also be installed,, can certainly adopt semiconductor chilling plate to realize heat radiation to realize radiator heat-dissipation or heat pipe heat radiation.In addition, described cylindrical substrate adopts double layer substrate, for example double-deck pcb board, the front of cylindrical substrate is electrically connected some LED, and the back side of cylindrical substrate also can be covered with at least one metallic radiating layer or alloy heat dissipating layer, for example copper layer, aluminium lamination or copper aluminium composite bed etc., described metallic radiating layer or the alloy heat dissipating layer heat that the cylindrical substrate is produced when removing the work of LED street lamp of can accelerating to loose.
Fig. 7 is the schematic diagram that the utility model LED road lamp light source component is installed to universal streetlamp housing, described LED road lamp light source component 10 can be fixed on traditional universal streetlamp housing 20 by two joints 3, this universal streetlamp housing 20 is the cylindrical streetlamp housing, therefore LED road lamp light source component 10 can directly exchange with universal road-light light-source, thereby plays the effect of the popularization and application that promotes the LED street lamp.
In summary, LED road-light light-source of the present utility model adopts cylindrical LED road-light light-source, described cylindrical LED road-light light-source comprises the cylindrical substrate, and electricly on the described cylindrical substrate be connected with some LEDs, and cylindrical LED road-light light-source can be directly installed in the existing universal streetlamp housing by joint, can directly exchange with universal road-light light-source, thereby greatly reduce the improvement cost that conventional road lamp is transform as the LED street lamp, play the effect of the popularization and application that promotes the LED street lamp.Preferably, described cylindrical LED road-light light-source can also outer be with the light transmission body, to play the effect of protection cylindrical LED road-light light-source; More preferably, described cylindrical LED road-light light-source directly passes through wind-cooling heat dissipating.
Certainly; the utility model also can have other various embodiments; under the situation that does not deviate from the utility model spirit and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the utility model.
Claims (10)
1, a kind of LED road lamp light source component, at least include the LED road-light light-source and be sheathed on the joint at described LED road-light light-source two ends respectively, it is characterized in that, described LED road-light light-source is a cylindrical LED road-light light-source, described cylindrical LED road-light light-source comprises at least one cylindrical substrate, and electricly on the described cylindrical substrate is connected with some LEDs.
2, LED road lamp light source component according to claim 1 is characterized in that, described LED road-light light-source is with at least one light transmission body outward, and described two joints are set in the two ends of described light transmission body respectively.
3, LED road lamp light source component according to claim 2 is characterized in that, the face of cylinder type that is shaped as of described light transmission body, fan cylindrical, polygon cylindrical or polygon fan cylindrical.
4, LED road lamp light source component according to claim 2 is characterized in that, the material of described light transmission body is simple glass, quartz glass, lucite or PVC; And/or
The surface of described light transmission body is transparent type or frosted type.
5, LED road lamp light source component according to claim 1 is characterized in that, the port of described at least one joint is provided with fan or air pump; And/or
Radiator or heat pipe are installed in the cavity of described cylindrical substrate; And/or
The back side of described cylindrical substrate is covered with at least one metallic radiating layer or alloy heat dissipating layer.
6, LED road lamp light source component according to claim 1 is characterized in that, described LED road lamp light source component is fixed in the universal streetlamp housing by described two joints.
7, LED road lamp light source component according to claim 1 is characterized in that, described some LEDs are welded on the described cylindrical substrate with SMD or plug-in type; And/or
The power of described single LEDs is 0.03W～5W.
8, according to each described LED road lamp light source component of claim 1～7, it is characterized in that the face of cylinder type that is shaped as of described cylindrical substrate, fan cylindrical, polygon cylindrical or polygon fan cylindrical.
9, LED road lamp light source component according to claim 8 is characterized in that, described cylindrical substrate is pcb board, flexible PCB plate, aluminium base or copper base.
10, LED road lamp light source component according to claim 8 is characterized in that, described cylindrical substrate is positioned to type by several plate substrate windings; Perhaps described cylindrical substrate is by a plate substrate bending forming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200953996U CN201232904Y (en) | 2008-07-10 | 2008-07-10 | Light source assembly of LED street lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200953996U CN201232904Y (en) | 2008-07-10 | 2008-07-10 | Light source assembly of LED street lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201232904Y true CN201232904Y (en) | 2009-05-06 |
Family
ID=40619284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200953996U Expired - Fee Related CN201232904Y (en) | 2008-07-10 | 2008-07-10 | Light source assembly of LED street lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201232904Y (en) |
-
2008
- 2008-07-10 CN CNU2008200953996U patent/CN201232904Y/en not_active Expired - Fee Related
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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: 20090506 Termination date: 20130710 |