CN102425765B - Light spot regulating device of shadowless lamp - Google Patents

Light spot regulating device of shadowless lamp Download PDF

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Publication number
CN102425765B
CN102425765B CN 201110458827 CN201110458827A CN102425765B CN 102425765 B CN102425765 B CN 102425765B CN 201110458827 CN201110458827 CN 201110458827 CN 201110458827 A CN201110458827 A CN 201110458827A CN 102425765 B CN102425765 B CN 102425765B
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CN
China
Prior art keywords
light source
support
source module
lamp
motor
Prior art date
Application number
CN 201110458827
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Chinese (zh)
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CN102425765A (en
Inventor
杨焕兵
何新广
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东莞勤上光电股份有限公司
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Priority to CN 201110458827 priority Critical patent/CN102425765B/en
Publication of CN102425765A publication Critical patent/CN102425765A/en
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Publication of CN102425765B publication Critical patent/CN102425765B/en

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Abstract

The invention relates to a light spot regulating device of a shadowless lamp. The light spot regulating device comprises a lamp body provided with a concave spherical surface, wherein a plurality of light source module mounting bases are distributed on the concave spherical surface of the lamp body; light source modules are arranged on the light source module mounting bases through supports and transmission assemblies; the supports are fixedly connected with the corresponding light source module mounting base and are movably hinged with the light source modules through support shafts on the supports; the support shafts are vertical to the radial positions of the lamp body, so that light spots are positioned on the central axis of the lamp body when the light source modules regulate light emergent angles; and the transmission assemblies are worm gear mechanisms which are driven by a motor connected with a control circuit and are arranged between the light source modules and the supports so as to control the light source module to swing back and forth around the support shafts to regulate the light emergent angles. By utilizing the structure, the light spot regulating device provided by the invention has the characteristics of compact structure, easiness in assembly and high regulation accuracy of the light emergent angles of the light source modules.

Description

A kind of hot spot adjusting device of shadowless lamp
Technical field
The present invention relates to field of illumination lamp technology, refer in particular to a kind of hot spot adjusting device of shadowless lamp.
Background technology
Along with the continuous development of lighting engineering, various light fixtures are constantly weeded out the old and bring forth the new.As in the light fixture a special class light fixture---shadowless lamp is widely used on the medical operating platform.
Existing medical shadowless lamp, lamp body on the whole, as a concave spherical surface, the inwall of this concave spherical surface of distribution of light sources, light source also are to be sphere to distribute, thus all light all can cover to the centre of sphere place of this sphere.After lamp body completes, sphere center position is just fixing, therefore need the angle between light modulation source module and the sphere centre axle, the facula position that the light source module is concentrated moves up and down along the sphere centre axle, satisfy different operation lighting requirements, light source herein a lot all adopts energy-conservation and the high led light source of luminous efficiency.
At present, adopt the method for mechanical light modulation usually, add gear at adjusting rod, be installed in gear-box in the lamp body by transmission on the adjusting rod, gear-box drives connecting rod, and connecting rod spurs the light source module again, makes light source module swing certain angle realize light modulation.But a plurality of gears of this use add connecting rod regulates some bad phenomenon that the mode of light class can be brought: mechanical light modulation has neutral gear, the rigging error between a plurality of parts and part, and the precise decreasing that makes the rising angle adjusting, and this structure assembling is complicated.
Summary of the invention
Purpose of the present invention is exactly the hot spot adjusting device that a kind of compact conformation is provided at the deficiencies in the prior art part, assembles the shadowless lamp easy, that light source module rising angle degree of regulation is high.
For achieving the above object, technical scheme of the present invention is: a kind of hot spot adjusting device of shadowless lamp, include: have the lamp body of concave spherical surface and several and be distributed in light source module on the lamp body, the light source module is located on the light source module mount pad by support and transmission component, support is fixedly connected on the lamp body, support is movably hinged by the support shaft on the support and light source module, described transmission component is the worm-and-wheel gear of the driven by motor that connected by control circuit, and this worm-and-wheel gear is arranged between light source module and the support with control light source module around the support shaft adjusting rising angle that swings back and forth.
Described support shaft perpendicular to the position of described lamp body radius so that the hot spot of light source module when regulating rising angle all be positioned on the central shaft of lamp body.
Described motor is fixedly connected on an end of support; Described worm-and-wheel gear includes worm screw and straight-plate-type turbine, worm screw is connected on the output of motor, the straight-plate-type turbine is fixed on the bottom of light source module, after the assembling, the transmission that cooperatively interacts of described worm screw and corresponding straight-plate-type turbine moves up and down and makes corresponding light source module around the support shaft adjusting rising angle that swings back and forth to control straight plate worm gear.
Described control circuit comprises the corresponding single motor control module that is arranged on the light source module back side respectively, single motor control module and corresponding motor are electrically connected to control the rotation of motor or stop, the inner or outside operating equipment that also is provided with to control the work of single motor control module of lamp body.
Described operating equipment is the handle that is located at the lamp body center, and handle is provided with by the touch-switch of spring reset and drives the total control module that all light source module motors are worked simultaneously; Total control module is electrically connected with single motor control module on each light source module.
Described operating equipment is the peripheral operation box that is located at described lamp body outside, is provided with the external motor control module that makes total control module connect the single motor control module in the peripheral operation box.
Described support includes support left end, support right-hand member, described support shaft and is used for being connected the connector of support left end, support right-hand member, described support shaft, support shaft is positioned at the below medium position of support left end, support right-hand member, has the screw that several are used for being connected corresponding light source module mount pad at support left end and support right-hand member; Between the two ends of the two ends of support shaft and support left end, be connected with two left radiating tubes, between the two ends of the two ends of support shaft and support right-hand member, be connected with two right radiating tubes.
The bottom of described light source module is provided with the support shaft standing groove, and during assembling, described support shaft is connected the location by cover plate after being placed on this support shaft standing groove with screw.
The bottom surface of described light source module is provided with some fin.
The bottom surface of described light source module also is provided with microswitch, is provided with in the contact of this microswitch correspondence at support, and when worm screw entered worm gear fully, microswitch is triggered in the contact made motor stop operating.
After adopting said structure, when motor is receiving working signal in the control circuit, motor on the support rotates, the worm gear of the direct transmission light source of worm screw module bottom, make worm gear drives light source module around the certain angle of support shaft swing, realize regulating the mode of spot size, easy for installation, degree of regulation is higher.This kind drive mechanism has solved conventional lights and has used a plurality of gears to add some bad phenomenon that connecting rod adjusting light class brings: the neutral gear of mechanical light modulation, and the rigging error between a plurality of parts and part, assembling is complicated.Therefore, the present invention has compact conformation, easy, the high characteristics of light source module rising angle degree of regulation of assembling.
Description of drawings
Fig. 1 is shadowless lamp stereoscopic-state schematic diagram of the present invention.
Fig. 2 is the perspective view of lamp body of the present invention, light source module mount pad and handle.
Fig. 3 is the three-dimensional assembly structure schematic diagram of light source module of the present invention and support.
Fig. 4 is the three-dimensional assembly structure schematic diagram of light source module of the present invention and support and light source module mount pad.
Fig. 5 is the three-dimensional decomposition texture schematic diagram of light source module of the present invention and support.
Fig. 6 is the three-dimensional assembly structure schematic diagram of microswitch of the present invention and light source module and support.
Fig. 7 is control circuit structural representation of the present invention.
The specific embodiment
1-7 is described in further detail below in conjunction with accompanying drawing:
A kind of hot spot adjusting device of shadowless lamp, include: the lamp body 10 with concave spherical surface, concave spherical surface at lamp body 10 is distributed with several light source module mount pads 20, several light source modules 30 respectively on the corresponding light source module mount pad 20 that is located at so that the hot spot that light source module 30 irradiates be positioned on the sphere centre axle of this concave spherical surface, be located on the light source module mount pad 20 by support 40 and transmission component at light source module 30, support 40 is fixedly connected at the bottom of the corresponding light source module on the mount pad 20, the support shaft 41 of support 40 by on the support 40 is movably hinged with light source module 30, described support shaft 41 perpendicular to the position of described lamp body 10 radiuses so that the hot spot of light source module 30 when regulating rising angles all be positioned on the central shaft of lamp body 10; Described transmission component is the worm-and-wheel gear 60 that is driven by the motor 50 that control circuit connects, and this worm-and-wheel gear is arranged between light source module 30 and the support 40 to control light source module 30 around the support shaft 41 adjusting rising angle that swings back and forth.
Described motor 50 is fixedly connected on an end of support 40; Described worm-and-wheel gear 60 includes worm screw 61 and straight-plate-type turbine 62, worm screw 61 is connected on the output of motor 50, straight-plate-type turbine 62 is fixed on the bottom of light source module 30, after the assembling, the transmission that cooperatively interacts of described worm screw 62 and corresponding straight-plate-type turbine 61 moves up and down and makes corresponding light source module 30 around the support shaft 41 adjusting rising angle that swings back and forth to control straight plate worm gear 62.
Described support 40 includes support left end 42, support right-hand member 43, described support shaft 41 and is used for being connected the connector 44 of support left end 42, support right-hand member 43, described support shaft 41, support shaft 41 is positioned at the below medium position of support left end 42, support right-hand member 43, has the screw 45 that several are used for being connected corresponding light source module mount pad 20 at support left end 42 and support right-hand member 43; Between the two ends of the two ends of support shaft 41 and support left end 42, be connected with two left radiating tubes 46, between the two ends of the two ends of support shaft 41 and support right-hand member 43, be connected with two right radiating tubes 47.
The bottom of described light source module 30 is provided with support shaft standing groove 31, and during assembling, described support shaft 41 is placed on these support shaft standing groove 31 backs and is connected the location with screw by cover plate 31a.
Be with bearing 41a on the described support shaft 41.
Has the concavo-convex interface arrangment 31b that cooperates that makes support shaft 41 axial location between described support shaft standing groove 31 and the support shaft 41.
Described motor 50 is stepper motor,
Described control circuit comprises the corresponding single motor control module 80 that is arranged on light source module 30 back sides respectively, single motor control module 80 and corresponding motor 50 are electrically connected to control the rotation of motor 50 or stop, the lamp body 10 inner or outside operating equipments that also are provided with to control 80 work of single motor control module.
Described operating equipment is the handle 70 that is located at the lamp body center, and handle 70 is provided with by the touch-switch 71 of spring reset and drives the total control module 90 that all light source module motors are worked simultaneously; Total control module 90 is electrically connected with single motor control module 80 on each light source module 30.
Described operating equipment is the peripheral operation box 100 that is located at described lamp body 10 outsides, is provided with the external motor control module 101 that makes total control module 90 connect single motor control module 80 in the peripheral operation box 100.
The bottom surface of described light source module 30 is provided with some fin 32.
The bottom surface of described light source module 30 also is provided with microswitch 33, is provided with in the contact 48 of this microswitch 33 correspondences at support 40, and when worm screw 62 entered worm gear 62 fully, microswitch 33 is triggered in contact 48 made motor 50 stop operating.
During use, joystick 70, make the rotation of handle rotating seat and handle base, gear on the handle rotating seat touches the touch-switch on the handle base, moment is connected control circuit, when control circuit acknowledge(ment) signal feedback motor, control circuit is with motor 50 connection work, motor 50 drives worm screw 61 and rotates, worm screw 61 directly is transferred to the worm gear 62 on light source module 30 bottom surfaces, worm gear 62 is moved up and down, so light source module 30 just centered by support shaft 41 axle can come and go rotation, reach the purpose of the rising angle of regulating light source module 30 with this.Owing to when support 40 is installed on the lamp body 10, be to install perpendicular to the position of lamp body 10 radiuses with support shaft 41, so no matter how many angles light source module 30 rotates, the hot spot of its bright dipping all is positioned on the central shaft of lamp body 10, can not produce shade.And when worm screw 61 enters worm gear 62 fully and puts in place; microswitch 33 is triggered in contact 48 makes motor 50 stop operating; on the one hand worm-and-wheel gear is carried out position limitation protection, guarantee that on the other hand the angle that each light source module 30 is adjusted is consistent, and makes the angular adjustment precision higher.
The present invention improves precision by the worm and gear transmission greatly, and it is easy for installation that the position that can accurately regulate hot spot adapts to requirement and the assembly structure of the present invention of various operations, and the degree of regulation height has overcome the deficiencies in the prior art.
Below only be the specific embodiment of the present invention, do not limit the protection domain of patent of the present invention, those skilled in the art can do suitable accommodation, and the motor position that for example will constitute worm gear of the present invention and have a worm screw exchanges etc.; And light source module of the present invention has comprised led light source module and other light sources module commonly used.This type of equivalent arrangements all should be within protection scope of the present invention.

Claims (7)

1. the hot spot adjusting device of a shadowless lamp, include: have the lamp body of concave spherical surface and several and be distributed in light source module on the lamp body, it is characterized in that: the light source module is located on the light source module mount pad by support and transmission component, support is fixedly connected on the lamp body, support is movably hinged by the support shaft on the support and light source module, described transmission component is the worm-and-wheel gear of the driven by motor that connected by control circuit, and this worm-and-wheel gear is arranged between light source module and the support with control light source module around the support shaft adjusting rising angle that swings back and forth;
Described support shaft perpendicular to the position of described lamp body radius so that the hot spot of light source module when regulating rising angle all be positioned on the central shaft of lamp body;
Described motor is fixedly connected on an end of support; Described worm-and-wheel gear includes worm screw and straight-plate-type turbine, worm screw is connected on the output of motor, the straight-plate-type turbine is fixed on the bottom of light source module, after the assembling, the transmission that cooperatively interacts of described worm screw and corresponding straight-plate-type turbine moves up and down and makes corresponding light source module around the support shaft adjusting rising angle that swings back and forth to control straight plate worm gear.
2. the hot spot adjusting device of a kind of shadowless lamp according to claim 1, it is characterized in that: described control circuit comprises the corresponding single motor control module that is arranged on the light source module back side respectively, single motor control module and corresponding motor are electrically connected to control the rotation of motor or stop, the inner or outside operating equipment that also is provided with to control the work of single motor control module of lamp body.
3. the hot spot adjusting device of a kind of shadowless lamp according to claim 2, it is characterized in that: described operating equipment is the handle that is located at the lamp body center, and handle is provided with by the touch-switch of spring reset and drives the total control module that all light source module motors are worked simultaneously; Total control module is electrically connected with single motor control module on each light source module.
4. the hot spot adjusting device of a kind of shadowless lamp according to claim 1, it is characterized in that: described support includes support left end, support right-hand member, described support shaft and is used for being connected the connector of support left end, support right-hand member, described support shaft, support shaft is positioned at the below medium position of support left end, support right-hand member, has the screw that several are used for being connected corresponding light source module mount pad at support left end and support right-hand member; Between the two ends of the two ends of support shaft and support left end, be connected with two left radiating tubes, between the two ends of the two ends of support shaft and support right-hand member, be connected with two right radiating tubes.
5. according to the hot spot adjusting device of each described a kind of shadowless lamp of claim 1-4, it is characterized in that: the bottom of described light source module is provided with the support shaft standing groove, during assembling, described support shaft is connected the location by cover plate after being placed on this support shaft standing groove with screw.
6. according to the hot spot adjusting device of each described a kind of shadowless lamp of claim 1-4, it is characterized in that: the bottom surface of described light source module is provided with some fin.
7. according to the hot spot adjusting device of each described a kind of shadowless lamp of claim 1-4, it is characterized in that: the bottom surface of described light source module also is provided with microswitch, be provided with in the contact of this microswitch correspondence at support, when worm screw entered worm gear fully, microswitch is triggered in the contact made motor stop operating.
CN 201110458827 2011-12-31 2011-12-31 Light spot regulating device of shadowless lamp CN102425765B (en)

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Application Number Priority Date Filing Date Title
CN 201110458827 CN102425765B (en) 2011-12-31 2011-12-31 Light spot regulating device of shadowless lamp

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Application Number Priority Date Filing Date Title
CN 201110458827 CN102425765B (en) 2011-12-31 2011-12-31 Light spot regulating device of shadowless lamp

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CN102425765A CN102425765A (en) 2012-04-25
CN102425765B true CN102425765B (en) 2013-07-03

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104421783B (en) * 2013-08-20 2017-02-08 芜湖德豪润达光电科技有限公司 Light emitting diode (LED) lamp and method for adjusting elevation angle of light source module of LED lamp
CN104763928B (en) * 2015-03-23 2017-07-18 广东工业大学 A kind of LED light source and its control method for NI Vision Builder for Automated Inspection

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2268182Y (en) * 1996-05-30 1997-11-19 石一宇 Ring-type operation shadowless-lamp
CN202082819U (en) * 2010-11-26 2011-12-21 深圳市通用科技有限公司 Lamp irradiation direction regulating structure

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100951650B1 (en) * 2008-07-18 2010-04-07 임선택 Lamp device using LED
CN202432436U (en) * 2011-12-31 2012-09-12 东莞勤上光电股份有限公司 Light spot regulation device for shadowless lamp

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2268182Y (en) * 1996-05-30 1997-11-19 石一宇 Ring-type operation shadowless-lamp
CN202082819U (en) * 2010-11-26 2011-12-21 深圳市通用科技有限公司 Lamp irradiation direction regulating structure

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Effective date of registration: 20171101

Address after: 523565 Guangdong city of Dongguan province Changping Zhen Heng Jiang Jiang Xia Heng Industrial Road, set up a file

Patentee after: KINGSUN OPTOELECTRONIC CO., LTD.

Address before: 523000 Guangdong city of Dongguan province Changping Zhen Heng Jiang set up a file

Patentee before: Dongguan Qinshang Photoelectric Co., Ltd.

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