CN203273537U - LED bulb and LED streetlamp - Google Patents
LED bulb and LED streetlamp Download PDFInfo
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- CN203273537U CN203273537U CN2013202435174U CN201320243517U CN203273537U CN 203273537 U CN203273537 U CN 203273537U CN 2013202435174 U CN2013202435174 U CN 2013202435174U CN 201320243517 U CN201320243517 U CN 201320243517U CN 203273537 U CN203273537 U CN 203273537U
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- led
- led bulb
- electric fan
- voltage
- rectifier bridge
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- 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
Abstract
The utility model provides an LED bulb and an LED streetlamp. When the LED bulb provided by the embodiment of the utility model is used, the LED bulb is connected onto a lamp holder via a connector, then direct electric voltage is input, and finally multiple LEDs on an LED lamp board start to emit light. Meanwhile, as an electric fan is connected between the connector and the LED lamp board in series, the electric fan also starts to work, that is, the electric fan requires no independent power supply; as a rectifier bridge is connected into the bulb, the whole LED bulb has no polarity and is supplied with power only via a screwed socket. Due to a 5mm clearance between an outer case and a glass board, a positive ventilation channel for the LEDs is added, the size of the LED streetlamp is reduced, the complexity of circuits and the complexity of installation are lowered, and the cost is reduced.
Description
Technical field
The utility model relates to lighting technical field, especially relates to a kind of LED bulb and LED street lamp.
Background technology
Street lamp is the important component part of city illumination, and traditional street lamp often adopts high-pressure mercury lamp or high-pressure sodium lamp, and high-pressure mercury lamp or high-pressure sodium lamp luminous energy consumption are higher, and luminous efficiency is lower.The advantages such as light emitting diode (Lighting Emitting Diode, LED) street lamp is high with directional lighting, fast response time, shock resistance, long service life, environmental protection enter into gradually people the visual field, become the energy-conserving light source of new generation that has in the world alternative conventional light source advantage most.
A kind of LED street lamp is provided in prior art, it comprises: LED road-light light-source and be sheathed on respectively the joint at LED road-light light-source two ends, the LED road-light light-source is cylindrical LED road-light light-source, cylindrical LED road-light light-source comprises at least one cylindrical substrate, and electricly on this cylindrical substrate be connected with some LEDs, be arranged with electric fan on this joint.
The LED street lamp that prior art provides has increased electric fan apparatus, can dispel the heat to LED by electric fan, but fan and LED need power supply separately, and the LED street lamp is for there being the polarity street lamp, volume is larger, cause existing LED street lamp can not directly be combined with screw socket and cost higher.
The utility model content
The utility model provides a kind of LED bulb and the LED street lamp that can power simultaneously to LED and electric fan, and is non-polar bulb and LED street lamp, and volume is equal to existing sodium vapor lamp substantially.
The utility model proposes a kind of LED bulb, comprising:
Shell, glass, electric fan, voltage-stabiliser tube, rectifier bridge and the joint that is connected with described shell, described joint is used for input direct voltage when described LED bulb is connected to lamp socket, it is characterized in that,
The front of described shell is provided with the LED lamp plate, is provided with some LED on described LED lamp plate;
Be provided with transparent glass on described LED lamp plate, described transparent glass covers described LED;
Described voltage-stabiliser tube is in parallel with described electric fan;
Described electric fan is connected with described LED lamp plate;
Described joint is connected with the input of rectifier bridge, the output of described rectifier bridge just with just being connected of electric fan, the output of described rectifier bridge is negative to be connected with the negative of LED lamp plate.
Preferably, described electric fan is connected with described LED lamp plate;
Operating voltage when preferably, the voltage of voltage regulation of described voltage-stabiliser tube equals described electric fan constant voltage driving.
Preferably, the type of the joint in described LED bulb is E27, is nonpolarity LED bulb.
Preferential, described rectifier bridge is installed in the enclosure.
Preferably, the voltage of the input of the joint in described LED bulb is 360 volts.
Preferably, the described enclosure in described LED bulb is provided with radiator structure, and the position of described radiator structure is relative with the air inlet of described electric fan or air outlet.
Preferably, be provided with transparent glass on the described LED lamp plate in described LED bulb, described transparent glass covers described LED.
Preferably, between described LED lamp plate and transparent glass, the gap of 5 millimeters is arranged.
Preferably, the thickness of the described transparent glass in described LED bulb is less than or equal to 1 millimeter.
Preferably, the lighting angle of the described LED in described LED bulb is less than or equal to 120 degree.The utility model embodiment also provides a kind of LED street lamp, and it comprises LED bulb as above, and described LED bulb is arranged on the lamp socket of described LED street lamp.
As from the foregoing, the LED bulb that provides at utility model the present embodiment is connected on lamp socket by joint in use, and then input direct voltage, and the some LED on the LED lamp plate begin luminous.Simultaneously, because electric fan is connected between described joint and described LED lamp plate, electric fan is also started working, and namely electric fan does not need independent power supply, because rectifier bridge is connected to bulb inside, whole LED bulb is nonpolarity, only need to power by joint, due to 5 millimeters gaps between shell and glass plate, increased the vent passages in LED front, the volume of LED street lamp is reduced, reduced the complexity of circuit, saved cost.
Description of drawings
Fig. 1 is the structural representation of the LED bulb that provides of the utility model embodiment;
Fig. 2 is the circuit theory diagrams of the LED bulb that provides of the utility model embodiment.
The realization of the utility model purpose, functional characteristics and advantage are described further with reference to accompanying drawing in connection with following embodiment.
The specific embodiment
Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
Referring to Fig. 1-2, Fig. 1 is the structural representation of the LED bulb that provides of the utility model embodiment, and Fig. 2 is the circuit theory diagrams of the LED bulb that provides of the utility model embodiment.
As shown in the figure, the LED bulb in the present embodiment comprises: shell 10, electric fan 20 and the joint 30 that stretches out from described shell 10 sidewalls.Wherein, described joint 30 is used for input direct voltage when described LED bulb is connected to lamp socket.The front of described shell 10 is provided with LED lamp plate 11, be provided with some LED on described LED lamp plate, described electric fan 20 is connected between described joint 30 and described LED lamp plate 11, after described electric fan 20 is connected with described LED lamp plate 11, constant current drives, constant current value is by the operating current decision of fan 20, and rectifier bridge 40 is arranged in shell 10.
The LED bulb that provides at utility model the present embodiment is connected on lamp socket by joint 30 in use, and then input direct voltage, and the some LED on the LED lamp plate begin luminous.Simultaneously, because electric fan 20 is connected between described joint 30 and described LED lamp plate 11, electric fan 20 is also started working, and namely electric fan 20 does not need independent power supply, has reduced the complexity of circuit, has saved cost.Because rectifier bridge 40 is connected to bulb inside, whole LED bulb is nonpolarity, only need to power by screw socket.Due to 5 millimeters gaps between shell 10 and glass plate, increased the vent passages in LED front, the volume of LED street lamp is reduced.
In addition, electric fan 20 is connected between described joint 30 and described LED lamp plate 11, can also make electric fan 20 use in the environment under high voltage supply, has broken traditional thoughtcast, has improved the versatility of electric fan.
Continuation is referring to Fig. 2, in the LED bulb that the present embodiment provides, joint 30 comprises first input end 31 and the second input 32, described first input end 31 be connected input 32 and be connected with two inputs of bridge rectifier (abbreviation rectifier bridge) 40 respectively, described electric fan 20 and described LED lamp plate 11 are connected between two outputs of described bridge rectifier 40.Concrete, the output of rectifier bridge 40 just with just being connected of electric fan 20, the output of described rectifier bridge 40 is negative to be connected with the negative of LED lamp plate 11, rectifier bridge 40 is arranged in shell 10, as a part of LED bulb.As the optional mode of another kind, the output of rectifier bridge 40 just can also with just being connected of LED lamp plate 11, the output of described rectifier bridge 40 is negative to be connected with the negative of electric fan 20.
The LED bulb that the utility model embodiment provides becomes the bridge rectifier function of traditional diode the commutation function use of DC circuit; make the LED bulb in the connection of input terminal (being joint 30) regardless of both positive and negative polarity; avoid making a mistake in installation process and damage fluorescent tube; traditional LED bulb that polarity is arranged is become non-polar LED bulb, embodied protection and fool-proof design that both positive and negative polarity need not be distinguished.
In the present embodiment, electric fan 20 is parallel with voltage-stabiliser tube (ZENER1) 21, and voltage-stabiliser tube 21 can play the effect of clamper protection, the operating voltage the when voltage of voltage regulation of voltage-stabiliser tube 21 can equal electric fan 20 constant voltages driving.The type of drive of the electric fan 20 that the present embodiment provides is that constant current, pressure limiting drive, make electric fan 20 work under permanent power, because the wind flow of electric fan 20 is to be controlled by the power of electric fan 20, like this, we have just controlled the flow of wind, the heat of having guaranteed the LED lamp can fall apart to enclosure, forms internal heat exchange.
In the present embodiment, the voltage of the input of the joint 30 of LED bulb is 360 volts, and this voltage is used for LED lamp plate 11 and electric fan 20 are powered.
In the LED bulb that the utility model embodiment provides, the type of joint 30 can be E27, and then the LED bulb that the utility model embodiment provides can use E27, E40 and E27 to change the mode of E40 lamp holder, can be widely used in various outdoor illuminating lamps (street lamp, floodlight, Tunnel Lamp, garden lamp etc.), solve with the outdoor light source such as traditional sodium vapor lamp, mercury lamp compatibling problem is installed.
Continuation is referring to Fig. 1, in the LED bulb that the utility model embodiment provides, described shell 10 inside are provided with radiator structure 12, and the position of described radiator structure 12 is relative with air inlet or the air outlet of described electric fan 20, and radiator structure 12 is specifically as follows dentation.In the LED bulb that the utility model embodiment provides, the double heat sink functionality of shell 10 uses shell 10 inner geometry figures to enlarge interior surface area ventilations (exhausting and blowing) heat radiation, and is higher than traditional outer surface radiating efficiency.In addition, due to the gap of 5 millimeters being arranged between LED lamp plate and glass plate, (exhausting and blowing) dispels the heat to make the positive and negative of LED lamp plate 11 ventilate simultaneously, makes area of dissipation enlarge, and therefore dwindles to greatest extent the volume of LED bulb.
In the utility model embodiment, be provided with transparent glass on described LED lamp plate 11, described transparent glass covers LED, and the thickness of described transparent glass is less than or equal to 1 millimeter, and the lighting angle of LED is less than or equal to 120 degree.In addition, the gap of 5 millimeters is arranged between LED lamp plate and transparent glass.
In the utility model embodiment, the bulb light-emitting area is used ultra-thin glass 1mm and below 1mm, make light transmittance high, the lighting angle of LED is for being not more than 120 degree, guarantee effective use in conventional road lamp, improve the effective rate of utilization of light, satisfy the cloth light curve compatibility of cloth light curve and traditional sodium vapor lamp of street lamp.In addition, the design width of light-emitting area is identical with traditional sodium vapor lamp diameter, can utilize the cloth light effect of conventional lamp, need not redesign the cloth light effect of lamp.
The LED bulb that the utility model embodiment provides when mounted, can select angle rotatable greater than the screw socket (being interface 30) of 270 degree, the anglec of rotation of fluorescent tube is greater than 270 degree after screw socket is tightened, during installation if the upper mark of lamp socket aim at the back side center line of LED bulb can make bulb light-emitting area accurately down.
The utility model embodiment also provides a kind of LED street lamp, and it comprises LED bulb as above, and described LED bulb is arranged on the lamp socket of LED street lamp.In the LED bulb that prior art provides, fans drive is all that the constant voltage of using drives usually, what the utility model embodiment used is that constant current, pressure limiting drive, make fan work under permanent power, because the wind flow of fan is to be controlled by the power of fan, so just control the flow of wind, guaranteed that the heat of LED lamp can fall apart to enclosure, formed internal heat exchange.And fan is all low-voltage driving, due to fan is connected with lamp plate, makes fan to use under high voltage supply.
In addition, the power supply of LED bulb in the utility model embodiment, traditional thoughtcast is direct current supply, its polarity of the power supply of direct current can not be put upside down, the utility model embodiment has adopted rectifier bridge, thoroughly break the thoughtcast that the power supply polarity of LED can not be put upside down, made the power supply of LED regardless of both positive and negative polarity, become nonpolarity LED bulb.Rectifier bridge only has rectification function in traditional circuit application, the utility model embodiment expands the function of rectifier bridge, and rectifier bridge not only has the effect of rectification, also has the communtation protection function, and another has broken traditional thoughtcast.
In addition, in the utility model embodiment, the heat radiation of LED bulb is the heat radiations of LED tow sides.Usually the heat radiation of LED is all to dispel the heat with aluminium base behind, the utility model embodiment has used glass plate, lamp plate and glass plate keep the spacing of 5mm, make the LED heat dissipation channel that positive and negative two passages be arranged, greatly improved radiating efficiency, dwindle the volume of bulb, reduced the weight of bulb, made bulb can be directly installed on the lamp socket of street lamp screw socket.
Should be understood that; these are only preferred embodiment of the present utility model; can not therefore limit the scope of the claims of the present utility model; every equivalent mechanism or equivalent flow process conversion that utilizes the utility model specification and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in scope of patent protection of the present utility model.
Claims (9)
1. a LED bulb, comprise shell, transparent glass, electric fan, voltage-stabiliser tube, rectifier bridge and the joint that is connected with described shell, and described joint is used for input direct voltage when described LED bulb is connected to lamp socket, it is characterized in that,
The front of described shell is provided with the LED lamp plate, is provided with some LED on described LED lamp plate;
Be provided with transparent glass on described LED lamp plate, described transparent glass covers described LED;
Described voltage-stabiliser tube is in parallel with described electric fan;
After described electric fan is connected with described LED lamp plate, constant current drives, and constant current value is determined by the operating current of fan;
Described joint is connected with the input of rectifier bridge, the output of described rectifier bridge just with just being connected of electric fan, the output of described rectifier bridge is negative to be connected with LED lamp plate negative or the output of described rectifier bridge just just is connected with the LED lamp plate, and the output of described rectifier bridge is born and is connected with the negative of electric fan.
2. LED bulb according to claim 1, is characterized in that,
The operating voltage when voltage of voltage regulation of described voltage-stabiliser tube equals described electric fan constant voltage driving.
3. LED bulb according to claim 1, is characterized in that, described rectifier bridge is arranged in described shell.
4. LED bulb according to claim 1 and 2, is characterized in that, the type of described joint is E40, E27.
5. LED bulb according to claim 4, is characterized in that, described enclosure is provided with radiator structure, and the position of described radiator structure is relative with the air inlet of described electric fan or air outlet.
6. LED bulb according to claim 5, is characterized in that, described radiator structure is dentation.
7. LED bulb according to claim 1, is characterized in that between described LED lamp plate and transparent glass, the gap of 5 millimeters being arranged.
8. LED bulb according to claim 7, is characterized in that, the thickness of described transparent glass is less than or equal to 1 millimeter.
9. a LED street lamp, is characterized in that, comprises LED bulb as described in claim 1 to 8 any one, and described LED bulb is arranged on the lamp socket of described LED street lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202435174U CN203273537U (en) | 2013-05-08 | 2013-05-08 | LED bulb and LED streetlamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202435174U CN203273537U (en) | 2013-05-08 | 2013-05-08 | LED bulb and LED streetlamp |
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| Publication Number | Publication Date |
|---|---|
| CN203273537U true CN203273537U (en) | 2013-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202435174U Expired - Fee Related CN203273537U (en) | 2013-05-08 | 2013-05-08 | LED bulb and LED streetlamp |
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| CN (1) | CN203273537U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103234157A (en) * | 2013-05-08 | 2013-08-07 | 金明武 | Light-emitting diode (LED) bulb and LED street lamp |
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2013
- 2013-05-08 CN CN2013202435174U patent/CN203273537U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103234157A (en) * | 2013-05-08 | 2013-08-07 | 金明武 | Light-emitting diode (LED) bulb and LED street lamp |
| CN103234157B (en) * | 2013-05-08 | 2014-11-19 | 金明武 | Light-emitting diode (LED) bulb and LED street lamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131106 Termination date: 20160508 |
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| CF01 | Termination of patent right due to non-payment of annual fee |