CN202674875U - Light emitting diode (LED) lighting device with light adjusting structure - Google Patents

Light emitting diode (LED) lighting device with light adjusting structure Download PDF

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Publication number
CN202674875U
CN202674875U CN 201120564996 CN201120564996U CN202674875U CN 202674875 U CN202674875 U CN 202674875U CN 201120564996 CN201120564996 CN 201120564996 CN 201120564996 U CN201120564996 U CN 201120564996U CN 202674875 U CN202674875 U CN 202674875U
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CN
China
Prior art keywords
reflector
substrate
fan plate
screw rod
moving fan
Prior art date
Application number
CN 201120564996
Other languages
Chinese (zh)
Inventor
章少华
蔡德晟
谢冰
Original Assignee
南昌大学
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Publication date
Application filed by 南昌大学 filed Critical 南昌大学
Priority to CN 201120564996 priority Critical patent/CN202674875U/en
Application granted granted Critical
Publication of CN202674875U publication Critical patent/CN202674875U/en

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Abstract

The utility model provides a light emitting diode (LED) lighting device with a light adjusting structure. The LED lighting device is used for providing plain light lighting and condensation lighting. A reflector is arranged on the periphery of an LED lamp, the reflector comprises a movable sector board and a fixed reflector, the movable sector board is sector circle shaped, the fixed reflector is arranged inside a gap in a circle of a sector circle, and the gap is complementary to the sector circle. The fixed reflector is fixed on the base board. A gap area is arranged between the movable sector board and the fixed reflector, and the LED lamp is arranged inside the gap area. The movable sector board is connected with the base board through a rotating structure. A rotating joint is fixed on the back surface of the movable sector board. The rotating joint is connected with a lifting rod fixed on a screw sleeve in rotating mode. The screw sleeve is arranged on the screw rod. The screw rod is connected with a driving device in driving mode. A hole for the lifting rod to penetrate through and move is arranged on the base board. When the screw sleeve is moved upwards along the screw rod, the movable sector board can be folded being driven by the lifting rod. When the screw sleeve is moved downwards along the screw rod, the movable sector board is retreated and paved levelly on the base board being driven by the lifting rod. The LED lighting device with the light adjusting structure can be applied on various lamps.

Description

LED lighting device with light modulation structure
Technical field
The utility model relates to a kind of LED lighting.
Background technology
Existing LED lamp device is included in the LED lamp is set on the aluminium base, establishes a reflection shield around the LED lamp.The direction of illumination of these light fixtures and the exposure intensity of this direction generally can not change.Situation at the light fixture that is applied to the LED illumination on the automobile, in order to realize the conversion of distal end illumination and near-end illumination, the LED lamp of multiple different capacity need to be set at the diverse location of light fixture, these lamps are positioned at the different position of reflection shield, realize that by the distance of adjusting reflective focus the distance of light irradiation is switched.This type of light fixture need to use more LED lamp, and circuit is comparatively complicated, and the LED lamp is positioned at the different position of reflection shield, and heat dissipation design also is often to need the problem considered, and radiator structure makes the structure more complex of light fixture.
The utility model content
The utility model purpose provides a kind of LED lamp device, and it can provide zero diopter illumination and spotlighting.
In order to solve above-mentioned technical problem, the utility model proposes a kind of LED lighting device with light modulation structure, comprise substrate and basic onboard led lamp, around the LED lamp, be provided with reflex reflector, and
Described reflex reflector comprises reflector, and reflector comprises moving fan plate and decide reflector, and moving fan plate is the fan annular, decide reflector be located at fan ring place circle, with the breach of fan ring complementation in; Deciding reflector is fixed on the described substrate; Moving fan plate has a relief area with the centre of deciding reflector, establishes the LED lamp in this relief area;
Moving fan plate is connected with substrate by rotational structure, and this rotational structure is upwards turned up by substrate in order to realize moving fan plate, and it surrounded a funnel shaped when moving fan plate was upwards turned up;
Be fixed with cradle head at moving fan backboard face, this cradle head and an elevating lever are rotationally connected, and elevating lever is connected on the swivel nut, and swivel nut is located on the screw rod, is connected with screw flight, and screw rod and power set are in transmission connection;
Be provided with that elevating lever passes and for its movable hole at substrate;
Wherein the relative aluminium base of screw rod is inclined to set, and when swivel nut moved upward along screw rod, elevating lever promoted moving fan plate and turns up; When swivel nut moved downward along screw rod, elevating lever promoted moving fan plate rollback and is tiled on the substrate.
The LED lamp can be that SMD, COB packaged type and lamp insert the various forms such as weldering form.
Preferably: be provided with a hole at described substrate, described elevating lever passes this hole, and the hole is preferably the strip square hole.
Preferably: described rotational structure is lotus leaf.Also can adopt universal shaft structure.This rotational structure can only be one, because move the fan plate when turning up, its inner ring radius can dwindle, and can cause moving fan plate not turn up if two rotational structures are set.
Preferably: described power set are to comprise motor and the gear driving pair that is connected with motor output shaft, and gear driving pair is connected with described screw gear.
Preferably: described substrate is aluminium base or copper base.
Preferably: described reflector is plastics or glued board material, its plated surface reflectorized material.
Preferably: describedly decide reflector and be the annular shape of fan, and be and the fan ring of described moving fan plate place circle complementation.Decide reflector and be fixed on the aluminium base, so whether its shape is that the fan ring is unimportant, it can be designed to other shape.
Preferably: described rotational structure comprises first ring that is located at described moving fan plate bottom and is fixed on second ring on the described substrate, and two ring latch closures form rotational structure together.This simple in structure, cost is low.
The beneficial effects of the utility model:
Compared to existing technology, the utility model is provided with the reflection shield bascule in LED light fixture the inside, and this structure can make the reflection shield not only can be open and flat but also can roll.When reflection shield is open and flat when opening, light fixture can provide the light of dispersing, i.e. near-end illumination; When reflection shield is rolled, lights crowds, light fixture can provide distal end illumination.The circuit of this light fixture is simple, and heat dissipation design is also fairly simple, uses same LED lamp can realize the switching of far-end and near-end.The utility model can be applied on lamp system, flashlight and various shot-light, the spy lamp device.
Description of drawings
Fig. 1 is the structural representation of light fixture of the present utility model.
Fig. 2 is the sectional structure chart of the utility model LED lamp device.
Fig. 3 is the structure chart that elevating lever is arranged on the substrate next door.
The specific embodiment
The utility model proposes a kind of LED lighting device with light modulation structure, comprise substrate and basic onboard led lamp, around the LED lamp, be provided with reflex reflector, and described reflex reflector comprises reflector, reflector comprises moving fan plate and decides reflector, moving fan plate is the fan annular, decide reflector be located at fan ring place circle, with the breach of fan ring complementation in; Deciding reflector is fixed on the described substrate; Moving fan plate has a relief area with the centre of deciding reflector, establishes the LED lamp in this relief area; Moving fan plate is connected with substrate by rotational structure, and this rotational structure is upwards turned up by substrate in order to realize moving fan plate, and it surrounded a funnel shaped when moving fan plate was upwards turned up; Moving fan plate has certain hardness, and it can fold, and after folding up, is unlikely to weak, and therefore, it is drawn materials can be the suitable material of the soft durometer such as glassine paper of aluminium skin and plating reflective membrane; Be fixed with cradle head at moving fan backboard face, this cradle head and an elevating lever are rotationally connected, and elevating lever is connected on the swivel nut, and swivel nut is located on the screw rod, is connected with screw flight, and screw rod and power set are in transmission connection; Be provided with that elevating lever passes and for its movable hole at substrate; Wherein the relative aluminium base of screw rod is inclined to set, and when swivel nut moved upward along screw rod, elevating lever promoted moving fan plate and turns up; When swivel nut moved downward along screw rod, elevating lever promoted moving fan plate rollback and is tiled on the substrate.
By the following examples the technical solution of the utility model is elaborated, but protection domain of the present utility model is not limited to the following scope of putting down in writing.
The embodiment of the light fixture that the utility model relates to is extremely shown in Figure 3 referring to Fig. 1.
This LED lamp device comprises substrate 6 and basic onboard led lamp 5, is provided with reflex reflector around LED lamp 5.
Reflex reflector comprises reflector, and reflector comprises moving fan plate 1 and decides reflector 4.Moving fan plate 1 is the fan annular, decide reflector 4 be located at fan ring place circle, with the complementary breach of fan ring in, it can take whole barbed portion, also can only account for a little zone of barbed portion, but for rear kind of situation, the reflecting effect meeting is more inferior.Deciding reflector 4 is fixed on the substrate 6.Moving fan plate 1 has a relief area 3 with the centre of deciding reflector 4, establishes LED lamp 5 in this relief area 3.LED lamp 5 can be that packaged type and packaged fluorescent tube are welded on device on the aluminium base on paster LED, the plate.
Moving fan plate 1 is connected with substrate 6 by rotational structure 2, this has a place 2 of this rotational structures, it is upwards turned up by substrate in order to realize moving fan plate, and it preferably is located on the moving fan plate symmetry axis, and inwardly the distance of retraction is identical and symmetrical when turning up in the bottom on fan-shaped like this both sides.The embodiment that rotational structure can be selected for example can be the way of example of lotus leaf; Also can adopt the universal shaft structure way of example; Perhaps in one embodiment, rotational structure comprises first ring that is located at moving fan plate bottom and is fixed on second ring on the described substrate, and two ring latch closures form rotational structure together.
Be fixed with cradle head 8 at moving fan plate 1 back side, this cradle head 8 is rotationally connected with elevating lever 7, and elevating lever 7 is connected on the swivel nut 11, and elevating lever and swivel nut are fixed together, and swivel nut 11 is located on the screw rod 10, is connected with screw flight.Screw rod 10 is in transmission connection with power set.Be provided with that elevating lever passes and for its movable hole 9, hole 9 is preferably the strip square hole at substrate 6, hole 9 is shown in the dotted line among Fig. 1; Wherein screw rod 10 relative aluminium bases are inclined to set, and as shown in Figure 2, when swivel nut 11 moved upward along screw rod 10, elevating lever 7 promoted moving fan plate 1 and turns up; As shown in Figure 3, when swivel nut 11 moved downward along screw rod 10, elevating lever promoted moving fan plate rollback and is tiled on the substrate.
Power set are to comprise motor and the gear driving pair that is connected with motor output shaft, and gear driving pair is connected with screw gear.LED lamp 5 can be that SMD, COB packaged type and lamp insert the various forms such as weldering form.Substrate 6 is aluminium base or copper base.
In one embodiment, reflector can be plastics or glued board material, its plated surface reflectorized material.
Deciding reflector can be for fanning annular shape, and is and fan ring that described moving fan plate place circle is complementary.Decide reflector and be fixed on the aluminium base, so whether its shape is that the fan ring is unimportant, it can be designed to other shape.
During use, when needing moving fan plate 1 to turn up, motor and transmission drive screw turns, swivel nut rises along screw rod, and elevating lever promotes moving fan plate and is upwards turned up by platen surface, until surround the structure of a reflection shield cylinder along with rising.At this moment, can make the LED lamp send optically focused.If want to use zero diopter, reverse drive screw rod then, regain moving fan plate, it is tiled on the substrate, owing to deciding the cooperation of reflector, they can provide complete reflecting effect, the light that send this moment does not have light-gathering, relatively disperse, if cooperate a honeycomb secondary lens at the LED lamp, just can send not dazzling light.

Claims (6)

1. the LED lighting device with light modulation structure comprises substrate and basic onboard led lamp, is provided with reflex reflector around the LED lamp, it is characterized in that:
Described reflex reflector comprises reflector, and reflector comprises moving fan plate and decide reflector, and moving fan plate is the fan annular, decide reflector be located at fan ring place circle, with the breach of fan ring complementation in; Deciding reflector is fixed on the described substrate; Moving fan plate has a relief area with the centre of deciding reflector, establishes the LED lamp in this relief area;
Moving fan plate is connected with substrate by rotational structure, and this rotational structure is upwards turned up by substrate in order to realize moving fan plate, and it surrounded a funnel shaped when moving fan plate was upwards turned up;
Be fixed with cradle head at moving fan backboard face, this cradle head and an elevating lever are rotationally connected, and elevating lever is connected on the swivel nut, and swivel nut is located on the screw rod, is connected with screw flight, and screw rod and power set are in transmission connection;
Be provided with that elevating lever passes and for its movable hole at substrate;
Wherein the relative aluminium base of screw rod is inclined to set, and when swivel nut moved upward along screw rod, elevating lever promoted moving fan plate and turns up; When swivel nut moved downward along screw rod, elevating lever promoted moving fan plate rollback and is tiled on the substrate.
2. the LED lighting device with light modulation structure according to claim 1, it is characterized in that: described power set are to comprise motor and the gear driving pair that is connected with motor output shaft, and gear driving pair is connected with described screw gear.
3. the LED lighting device with light modulation structure according to claim 1, it is characterized in that: described substrate is aluminium base or copper base.
4. the LED lighting device with light modulation structure according to claim 1, it is characterized in that: described reflector is plastics or glued board material, its plated surface reflectorized material.
5. the LED lighting device with light modulation structure according to claim 1 is characterized in that: describedly decide reflector and be the annular shape of fan, and be and the fan ring of described moving fan plate place circle complementation.
6. the LED lighting device with light modulation structure according to claim 1, it is characterized in that: described rotational structure comprises first ring that is located at described moving fan plate bottom and is fixed on second ring on the described substrate, and two ring latch closures form rotational structure together.
CN 201120564996 2011-12-30 2011-12-30 Light emitting diode (LED) lighting device with light adjusting structure CN202674875U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201120564996 CN202674875U (en) 2011-12-30 2011-12-30 Light emitting diode (LED) lighting device with light adjusting structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201120564996 CN202674875U (en) 2011-12-30 2011-12-30 Light emitting diode (LED) lighting device with light adjusting structure

Publications (1)

Publication Number Publication Date
CN202674875U true CN202674875U (en) 2013-01-16

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CN 201120564996 CN202674875U (en) 2011-12-30 2011-12-30 Light emitting diode (LED) lighting device with light adjusting structure

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103953865A (en) * 2014-04-30 2014-07-30 深圳慧盈生态科技有限公司 Dimmable type plant growing lamp
CN105240772A (en) * 2015-11-10 2016-01-13 德文能源股份有限公司 Vehicle illumination lamp
CN107355753A (en) * 2017-08-10 2017-11-17 安徽英冉信息咨询有限公司 A kind of illuminating lamp of adjustable illuminating intensity
CN109058774A (en) * 2018-06-29 2018-12-21 安徽捷泰智能科技有限公司 A kind of LED light source beam condensing unit
CN109373285A (en) * 2018-10-09 2019-02-22 周家滨 Anti-glare automatically adjusts car headlight device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103953865A (en) * 2014-04-30 2014-07-30 深圳慧盈生态科技有限公司 Dimmable type plant growing lamp
CN105240772A (en) * 2015-11-10 2016-01-13 德文能源股份有限公司 Vehicle illumination lamp
CN107355753A (en) * 2017-08-10 2017-11-17 安徽英冉信息咨询有限公司 A kind of illuminating lamp of adjustable illuminating intensity
CN109058774A (en) * 2018-06-29 2018-12-21 安徽捷泰智能科技有限公司 A kind of LED light source beam condensing unit
CN109373285A (en) * 2018-10-09 2019-02-22 周家滨 Anti-glare automatically adjusts car headlight device
CN109373285B (en) * 2018-10-09 2021-03-02 周家滨 Anti-dazzle automatic regulating automobile lighting device

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EXPY Termination of patent right or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130116

Termination date: 20141230