CN103867937A - LED (light-emitting diode) illuminating apparatus - Google Patents
LED (light-emitting diode) illuminating apparatus Download PDFInfo
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- CN103867937A CN103867937A CN201210553694.2A CN201210553694A CN103867937A CN 103867937 A CN103867937 A CN 103867937A CN 201210553694 A CN201210553694 A CN 201210553694A CN 103867937 A CN103867937 A CN 103867937A
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- reflector plate
- push rod
- light
- adjusting rod
- lighting device
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Abstract
The invention discloses an LED (light-emitting diode) illuminating apparatus, which comprises a lamp holder shell, a reflector plate, LED modules, a push rod and a regulating stem, wherein the lamp holder shell is provided with a light-emitting opening; the reflector plate is arranged in the light-emitting opening of the lamp holder shell; the reflector plate is a flexure strip, and the reflector plate is provided with a bottom surface and a reflecting surface opposite to the bottom surface; the LED modules pass through the reflector plate, and the light-emitting part of each LED module is located on the reflecting surface; one end of the push rod is provided with a plurality of supporting parts arranged at intervals; the other end of the push rod is provided with a screw-thread part; free ends of the supporting parts are rotatably connected with the middle part of the bottom surface of the reflector plate; one end of the regulating stem is provided with a screw-thread fit part; the screw-thread fit part and the screw-thread part are screwed; when the regulating stem rotates forward, the screw-thread fit part is matched with the screw-thread part, so that the push rod moves towards the light-emitting opening, and the middle part of the reflector plate is pushed, and therefore, the reflecting surface is a convex surface; when the regulating stem rotates backward, the push rod moves far away from the light-emitting opening, and the middle part of the reflector plate is pulled, and therefore, the reflecting surface is a concave surface. The LED illuminating apparatus disclosed by the invention is capable of realizing conversion between flood light and spot light, and simple in operation and convenient to adjust.
Description
[technical field]
The present invention relates to a kind of illuminations, particularly relate to a kind of LED lighting device that carries out optically focused and floodlight adjusting.
[background technology]
For easy to use, usually need need to regulate according to difference optically focused and the floodlight requirement of light fixture, general light fixture only there is optically focused or floodlight, be difficult to realize the conversion between optically focused and floodlight.
[summary of the invention]
In view of above-mentioned condition, be necessary to provide a kind of LED lighting device that carries out the conversion between optically focused and floodlight.
A kind of LED lighting device, it comprises:
Lamp head shell, has light-emitting window;
Reflector plate, is located at the light-emitting window of described lamp head shell, and described reflector plate is a flexure strip, and described reflector plate has bottom surface and the reflecting surface relative with described bottom surface;
LED illuminating module, wears described reflector plate, and its luminous site is on described reflecting surface;
Push rod, one end is provided with multiple spaced support portions, and the other end is provided with threaded portion, and the middle part of the free end of described multiple support portions and the bottom surface of described reflector plate is rotatably connected; And
Adjusting rod, its one end is provided with thread fiting part, and described thread fiting part and described threaded portion are screwed;
Wherein, in the time being rotated in the forward described adjusting rod, described thread fiting part matches with described threaded portion, and described push rod is moved towards described light-emitting window, and promote the middle part of described reflector plate, be convex surface thereby make described reflecting surface; When reverse rotation is when described adjusting rod, described push rod is towards moving away from described light-emitting window, and pulls the middle part of described reflector plate, is concave surface thereby make described reflecting surface.
Above-mentioned LED lighting device is screwed by adjusting rod and push rod, make push rod promote forward or pull back, push rod drives reflector plate generation elastic deformation, in the time that push rod promotes forward, the reflecting surface of reflector plate is convex surface, makes the light of LED lighting device be adjusted to floodlight, in the time that push rod pulls back, the reflecting surface of reflector plate is concave surface, makes the lamp holder of LED lighting device be adjusted to optically focused.Therefore, above-mentioned LED lighting device can be realized the conversion of floodlight and optically focused, and simple to operate, easy to adjust.
In an embodiment, described support portion is arc support chip therein, and described multiple support portion is around the end setting of described push rod, to form the supporting construction of reverse frustoconic; Described support portion is provided with through hole with one end that described reflector plate is connected, the bottom surface of described reflector plate is provided with multiple connecting rings, described multiple connecting ring through the through hole of described multiple support portions, is rotatably connected the bottom surface of described support portion and described reflector plate respectively.
Therein in an embodiment, described threaded portion is the screw of being located on the end face of described push rod one end, and described adjusting rod is the screw rod being screwed with described screw.
In an embodiment, described threaded portion is the double-screw bolt of being located at described push rod one end therein, and described thread fiting part is the screw of being located at the end face of described adjusting rod one end, and described double-screw bolt and described screw are screwed.
In an embodiment, described reflector plate is circular shell fragment therein, and described multiple support portions are symmetrical arranged around the center of circle of described reflector plate, so that described reflector plate deformable is curved reflector.
In an embodiment, described reflector plate is regular polygon therein, and described reflector plate is provided with broken line along the radius of regular polygon, so that described reflector plate deformable is pyramid reflector.
Therein in an embodiment, the inwall of the light-emitting window of described lamp head shell is provided with two spaced stop flanges, described stop flange is along the circumferential extension of described lamp head shell, the periphery of described reflector plate is held between described two stop flanges, and can be rotatable between described two stop flanges;
Described LED lighting device also comprises lamp cylinder, and described lamp cylinder and described lamp head shell are rotatably connected, and described adjusting rod is fixedly connected with described lamp cylinder, drives described adjusting rod to rotate by rotating described lamp cylinder; Described adjusting rod matches with described push rod and drives described reflector plate, makes one in described reflector plate and described two stop flanges connect and deformation occurs.
Therein in an embodiment, the bottom of described lamp cylinder is fixed in one end that described adjusting rod is relative with described thread fiting part, an accommodating cavity of the common formation of described lamp cylinder and described lamp head shell, described adjusting rod, push rod, reflector plate are all installed in described accommodating cavity.
In an embodiment, the outer peripheral edges of described lamp head shell are provided with anti-skidding groove therein.
Therein in an embodiment, also comprise motor and control module, one end that described adjusting rod is relative with described thread fiting part is connected with the driving shaft of described motor, and described motor drives described adjusting rod to rotate, and described control module is for controlling the duty of described motor.
[accompanying drawing explanation]
Fig. 1 is the stereogram of the LED lighting device of embodiment of the present invention;
Fig. 2 is the partial sectional view of LED lighting device shown in Fig. 1;
Fig. 3 is the partial schematic diagram of LED lighting device shown in Fig. 1;
Fig. 4 is the partial schematic diagram at another visual angle of LED lighting device shown in Fig. 1;
Fig. 5 is state diagram when LED lighting device is adjusted to optically focused shown in Fig. 1;
Fig. 6 is state diagram when LED lighting device is adjusted to floodlight shown in Fig. 1.
[specific embodiment]
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.In accompanying drawing, provide preferred embodiment of the present invention.But the present invention can realize in many different forms, be not limited to embodiment described herein.On the contrary, providing the object of these embodiment is to make to the understanding of disclosure of the present invention more thoroughly comprehensively.
It should be noted that, when element is called as " being fixed on " another element, it can be directly on another element or also can have an element placed in the middle.When an element is considered to " connection " another element, it can be directly connected to another element or may have centering elements simultaneously.Term as used herein " vertical ", " level ", " left side ", " right side " and similar statement are just for illustrative purposes.
Unless otherwise defined, all technology that use are herein identical with the implication that belongs to the common understanding of those skilled in the art of the present invention with scientific terminology.The term using in description of the present invention herein, just in order to describe the object of specific embodiment, is not intended to be restriction the present invention.Term as used herein " and/or " comprise one or more relevant Listed Items arbitrarily with all combinations.
Refer to Fig. 1 and Fig. 2, the LED lighting device 100 of embodiment of the present invention, comprises lamp head shell 110, reflector plate 120, LED illuminating module 130, push rod 140 and adjusting rod 150.Lamp head shell 110 is for carrying reflector plate 120, and LED illuminating module 130 is the light source of LED lighting device 100.Adjusting rod 150 matches with push rod 140, is out of shape for ordering about reflector plate 120, makes reflector plate 120 carry out optically focused reflection and floodlight reflection conversion.
See also Fig. 3 and Fig. 4, reflector plate 120 is located at the light-emitting window 111 of lamp head shell 110.Reflector plate 120 is a flexure strip, and reflector plate 120 has bottom surface 121 and the reflecting surface 123 relative with bottom surface 121.Reflector plate 120 can be the sheet metal that reflectivity is higher, and now reflecting surface 123 is directly the surface of sheet metal.Or reflector plate 120 is opaque shell fragment, now reflecting surface 123 applies one deck reflecting layer by the surface at shell fragment, or pastes one deck reflectance coating on the surface of shell fragment.
Specifically in the illustrated embodiment, reflector plate 120 is circular shell fragment, so that reflector plate 120 deformables are curved reflector.
In other embodiments, reflector plate 120 is regular polygon, and reflector plate 120 is provided with broken line along the radius of regular polygon, so that reflector plate 120 deformables are pyramid reflector.
LED illuminating module 130 wears reflector plate 120, and its luminous site is on reflecting surface 123.LED illuminating module 130 can be multiple, and it can be the array arrangement such as annular, rectangle.For example, in the time that reflector plate 120 deformables are curved reflector, now multiple LED illuminating module 130 are circular array and arrange, and LED illuminating module 130 is uniformly distributed around reflector plate 120 center, thereby make the bright dipping after reflector plate 120 transmittings of multiple LED illuminating module 130 comparatively even.Same, in the time that reflector plate 120 deformables are rectangular pyramid shape reflector, multiple LED illuminating module 130 are arranged as rectangular array.
One end of push rod 140 is provided with multiple spaced support portions 141, and the other end is provided with threaded portion 143.The middle part of the bottom surface 121 of the free end of multiple support portions 141 and reflector plate 120 is rotatably connected.Specifically in the illustrated embodiment, support portion 141 is arc support chip, and multiple support portion 141 is around the end setting of push rod 140, to form the supporting construction of reverse frustoconic.Support portion 141 is provided with through hole with one end that reflector plate 120 is connected, the bottom surface 121 of reflector plate 120 is provided with multiple connecting rings 125, multiple connecting rings 125, respectively through the through hole of multiple support portions 141, are rotatably connected support portion 141 and the bottom surface 121 of reflector plate 120.
Further, multiple support portions 141 are symmetrical arranged around the center of circle of reflector plate 120, are curved reflector so that impel reflector plate 120 deformables.
It should be noted that, support portion 141 is not limited to arc support chip, also can be the shaft of other shapes.In addition, support portion 141 is also not limited to adopt connecting ring 125 to be rotatably connected with the mode matching and the reflector plate 120 of through hole, also can adopt other modes, and for example, support portion 141 can adopt the mode of rotating shaft and reflector plate 120 to be rotatably connected.
One end of adjusting rod 150 is provided with thread fiting part 151, and thread fiting part 151 is screwed with the threaded portion 143 of push rod 140.Specifically in the illustrated embodiment, threaded portion 143 is for being located at the screw on the end face of push rod 140 one end, the screw rod of adjusting rod 150 for being screwed with screw.
In other embodiments, threaded portion 143 is for being located at the double-screw bolt of push rod 140 one end, and thread fiting part 151 is the screw of being located at the end face of adjusting rod 150 one end, and double-screw bolt and screw are screwed.
Wherein, in the time being rotated in the forward adjusting rod 150, thread fiting part 151 matches with threaded portion 143, push rod 140 is moved towards the light-emitting window 111 of lamp head shell 110, and promote the middle part of reflector plate 120, thereby make reflecting surface 123 for convex surface; In the time of reverse rotation adjusting rod 150, push rod 140 moves towards the light-emitting window 111 away from lamp head shell 110, and pulls the middle part of reflector plate 120, thereby makes reflecting surface 123 for concave surface.
Please again consult Fig. 1 and Fig. 2, further, in order to facilitate rotary regulating lever 150, LED lighting device 100 also comprises lamp cylinder 160.The inwall of the light-emitting window 111 of lamp head shell 110 is provided with two spaced stop flange (not shown), stop flange is along the circumferential extension of lamp head shell, the periphery of reflector plate 120 is held between two stop flanges, and can be rotatable between two stop flanges.Lamp cylinder 160 is rotatably connected with lamp head shell 110, adjusting rod 150 is fixedly connected with lamp cylinder 160, drive adjusting rod 150 to rotate by rotating lamp cylinder 160, adjusting rod 150 matches with push rod 140 and drives reflector plate 120, makes one in reflector plate 120 and two stop flanges connect and deformation occurs.Specifically in the illustrated embodiment, the bottom of lamp cylinder 160 is fixed in one end that adjusting rod 150 is relative with thread fiting part 151, lamp cylinder 160 and the common accommodating cavity (figure is mark not) that forms of lamp head shell 110, adjusting rod 150, push rod 140, reflector plate 120 are all installed in accommodating cavity.In other words,, because lamp head shell 110 and lamp cylinder 160 are rotatably connected, in practical operation, rotary lamp holder shell 110 or lamp cylinder 160, all can drive push rod 140 and adjusting rod 150 to relatively rotate, and deforms thereby order about reflector plate 120.
Further, lamp head shell 110 is set on lamp cylinder 160, the outer wall of lamp cylinder 160 is provided with two spaced locating slot (not shown), the inwall of lamp head shell 110 is provided with the first positioning convex (not shown) and the second positioning convex (not shown), in the time that lamp head shell 110 turns to respect to lamp cylinder 160 position that the first positioning convex and locating slot fasten, the reflecting surface 123 of reflector plate 120 becomes convex surface; In the time that lamp head shell 110 turns to respect to lamp cylinder 160 position that the second positioning convex and locating slot fasten, the reflecting surface 123 of reflector plate 120 becomes concave surface.Therefore, the first positioning convex of lamp head shell and the second positioning convex match with the locating slot of lamp cylinder 160, thereby play effect accurate, quick adjustment reflector plate 120.
Further, for convenient lamp cylinder 160 or the lamp head shell 110 of rotating, the outer peripheral edges of lamp head shell 110 are provided with anti-skidding groove 113.In operating process, operating personnel can directly block the anti-skidding groove 113 of lamp head shell 110 with hand or employing instrument, thus prevent when operation lamp head shell 110 slide not because of frictional force.
In other embodiments, rotate in order easily, automatically to control to adjust bar 150, LED lighting device 100 also comprises motor and control module, one end that adjusting rod 150 is relative with thread fiting part 151 is connected with the driving shaft of motor, motor drives adjusting rod 150 to rotate, and control module is for controlling the duty of motor.
Please refer to Fig. 5 and Fig. 6, in the time need to regulating the duty of LED lighting device 100, forward rotation lamp head shell 110 or lamp cylinder 160, because adjusting rod 150 is fixedly connected with lamp cylinder 160, push rod 140 is pushed away forward with push rod 140 threaded engagement by adjusting rod 150, the reflecting surface 123 of reflector plate 120 becomes convex surface, and now the light of LED lighting device 100 becomes floodlight; Rotate backward lamp head shell 110 or lamp cylinder 160, because adjusting rod 150 is fixedly connected with lamp cylinder 160, push rod 140 is pulled back with push rod 140 threaded engagement by adjusting rod 150, the reflecting surface 123 of reflector plate 120 becomes concave surface, and now the light of LED lighting device 100 becomes optically focused.
Above-mentioned LED lighting device 100 is screwed by adjusting rod 150 and push rod 140, make push rod 140 promote forward or pull back, push rod 140 drives reflector plate 120 that elastic deformation occurs, in the time that push rod 140 promotes forward, the reflecting surface 123 of reflector plate 120 is convex surface, makes the light of LED lighting device 100 be adjusted to floodlight, in the time that push rod 140 pulls back, the reflecting surface 123 of reflector plate 120 is concave surface, makes the lamp holder of LED lighting device 100 be adjusted to optically focused.Therefore, above-mentioned LED lighting device 100 can be realized the conversion of floodlight and optically focused, and simple to operate, easy to adjust.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a LED lighting device, is characterized in that, comprising:
Lamp head shell, has light-emitting window;
Reflector plate, is located at the light-emitting window of described lamp head shell, and described reflector plate is a flexure strip, and described reflector plate has bottom surface and the reflecting surface relative with described bottom surface;
LED illuminating module, wears described reflector plate, and its luminous site is on described reflecting surface;
Push rod, one end is provided with multiple spaced support portions, and the other end is provided with threaded portion, and the middle part of the free end of described multiple support portions and the bottom surface of described reflector plate is rotatably connected; And
Adjusting rod, its one end is provided with thread fiting part, and described thread fiting part and described threaded portion are screwed;
Wherein, in the time being rotated in the forward described adjusting rod, described thread fiting part matches with described threaded portion, and described push rod is moved towards described light-emitting window, and promote the middle part of described reflector plate, be convex surface thereby make described reflecting surface; When reverse rotation is when described adjusting rod, described push rod is towards moving away from described light-emitting window, and pulls the middle part of described reflector plate, is concave surface thereby make described reflecting surface.
2. LED lighting device as claimed in claim 1, is characterized in that, described support portion is arc support chip, and described multiple support portion is around the end setting of described push rod, to form the supporting construction of reverse frustoconic; Described support portion is provided with through hole with one end that described reflector plate is connected, the bottom surface of described reflector plate is provided with multiple connecting rings, described multiple connecting ring through the through hole of described multiple support portions, is rotatably connected the bottom surface of described support portion and described reflector plate respectively.
3. LED lighting device as claimed in claim 1, is characterized in that, described threaded portion is the screw of being located on the end face of described push rod one end, and described adjusting rod is the screw rod being screwed with described screw.
4. LED lighting device as claimed in claim 1, is characterized in that, described threaded portion is the double-screw bolt of being located at described push rod one end, and described thread fiting part is the screw of being located at the end face of described adjusting rod one end, and described double-screw bolt and described screw are screwed.
5. LED lighting device as claimed in claim 1, is characterized in that, described reflector plate is circular shell fragment, and described multiple support portions are symmetrical arranged around the center of circle of described reflector plate, so that described reflector plate deformable is curved reflector.
6. LED lighting device as claimed in claim 1, is characterized in that, described reflector plate is regular polygon, and described reflector plate is provided with broken line along the radius of regular polygon, so that described reflector plate deformable is pyramid reflector.
7. LED lighting device as claimed in claim 1, it is characterized in that, the inwall of the light-emitting window of described lamp head shell is provided with two spaced stop flanges, described stop flange is along the circumferential extension of described lamp head shell, the periphery of described reflector plate is held between described two stop flanges, and can be rotatable between described two stop flanges;
Described LED lighting device also comprises lamp cylinder, and described lamp cylinder and described lamp head shell are rotatably connected, and described adjusting rod is fixedly connected with described lamp cylinder, drives described adjusting rod to rotate by rotating described lamp cylinder; Described adjusting rod matches with described push rod and drives described reflector plate, makes one in described reflector plate and described two stop flanges connect and deformation occurs.
8. LED lighting device as claimed in claim 7, it is characterized in that, the bottom of described lamp cylinder is fixed in one end that described adjusting rod is relative with described thread fiting part, an accommodating cavity of the common formation of described lamp cylinder and described lamp head shell, described adjusting rod, push rod, reflector plate are all installed in described accommodating cavity.
9. LED lighting device as claimed in claim 1, is characterized in that, the outer peripheral edges of described lamp head shell are provided with anti-skidding groove.
10. LED lighting device as claimed in claim 1, it is characterized in that, also comprise motor and control module, one end that described adjusting rod is relative with described thread fiting part is connected with the driving shaft of described motor, described motor drives described adjusting rod to rotate, and described control module is for controlling the duty of described motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210553694.2A CN103867937A (en) | 2012-12-18 | 2012-12-18 | LED (light-emitting diode) illuminating apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210553694.2A CN103867937A (en) | 2012-12-18 | 2012-12-18 | LED (light-emitting diode) illuminating apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN103867937A true CN103867937A (en) | 2014-06-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210553694.2A Pending CN103867937A (en) | 2012-12-18 | 2012-12-18 | LED (light-emitting diode) illuminating apparatus |
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| CN (1) | CN103867937A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110440162A (en) * | 2019-03-13 | 2019-11-12 | 宁波市加合灯具有限公司 | A kind of security lamp |
| CN110762407A (en) * | 2019-11-11 | 2020-02-07 | 上海理工大学 | Focus-adjustable illuminating lamp based on light-gathering bowl curvature adjustment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001013034A1 (en) * | 1999-08-13 | 2001-02-22 | Thomas Strobl | Mobile lamp |
| US6357893B1 (en) * | 2000-03-15 | 2002-03-19 | Richard S. Belliveau | Lighting devices using a plurality of light sources |
| CN102606984A (en) * | 2012-03-09 | 2012-07-25 | 马明宝 | Reflection-free LED lamp adjustable in light beam |
-
2012
- 2012-12-18 CN CN201210553694.2A patent/CN103867937A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001013034A1 (en) * | 1999-08-13 | 2001-02-22 | Thomas Strobl | Mobile lamp |
| US6357893B1 (en) * | 2000-03-15 | 2002-03-19 | Richard S. Belliveau | Lighting devices using a plurality of light sources |
| CN102606984A (en) * | 2012-03-09 | 2012-07-25 | 马明宝 | Reflection-free LED lamp adjustable in light beam |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110440162A (en) * | 2019-03-13 | 2019-11-12 | 宁波市加合灯具有限公司 | A kind of security lamp |
| CN110762407A (en) * | 2019-11-11 | 2020-02-07 | 上海理工大学 | Focus-adjustable illuminating lamp based on light-gathering bowl curvature adjustment |
| CN110762407B (en) * | 2019-11-11 | 2021-08-13 | 上海理工大学 | Focus-adjustable illuminating lamp based on light-gathering bowl curvature adjustment |
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Application publication date: 20140618 |