CN104676352A - Taxiway center line light and reciprocating driving mechanism thereof - Google Patents

Taxiway center line light and reciprocating driving mechanism thereof Download PDF

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Publication number
CN104676352A
CN104676352A CN201310611560.6A CN201310611560A CN104676352A CN 104676352 A CN104676352 A CN 104676352A CN 201310611560 A CN201310611560 A CN 201310611560A CN 104676352 A CN104676352 A CN 104676352A
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CN
China
Prior art keywords
rotating shaft
tumbler
support
center line
line light
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201310611560.6A
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Chinese (zh)
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CN104676352B (en
Inventor
周明杰
张表新
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Oceans King Lighting Science and Technology Co Ltd
Shenzhen Oceans King Lighting Science and Technology Co Ltd
Oceans King Dongguan Lighting Technology Co Ltd
Shenzhen Oceans King Lighting Engineering Co Ltd
Original Assignee
Oceans King Lighting Science and Technology Co Ltd
Oceans King Dongguan Lighting Technology Co Ltd
Shenzhen Oceans King Lighting Engineering Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Oceans King Lighting Science and Technology Co Ltd, Oceans King Dongguan Lighting Technology Co Ltd, Shenzhen Oceans King Lighting Engineering Co Ltd filed Critical Oceans King Lighting Science and Technology Co Ltd
Priority to CN201310611560.6A priority Critical patent/CN104676352B/en
Publication of CN104676352A publication Critical patent/CN104676352A/en
Application granted granted Critical
Publication of CN104676352B publication Critical patent/CN104676352B/en
Active legal-status Critical Current
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00Lighting devices intended for fixed installation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V14/00Controlling the distribution of the light emitted by adjustment of elements
    • F21V14/02Controlling the distribution of the light emitted by adjustment of elements by movement of light sources
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21WINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2111/00Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00
    • F21W2111/06Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00 for aircraft runways or the like

Abstract

The invention discloses a taxiway center line light and a reciprocating driving mechanism thereof. The reciprocating driving mechanism comprises a first bracket, a rotating part equipped with a first rotating shaft which rotatably passes through the first bracket, a second bracket which is arranged in parallel and at intervals to the first bracket, a swinging part equipped with a second rotating shaft which rotatably passes through the second bracket, a connecting rod of which two ends are respectively rotatably connected with the rotating part and the swinging part, and a transmission rod sleeved with a worm gear which is fixedly connected with the transmission rod and drives the transmission rod to link, wherein the swinging part is equipped with an arc-shaped side edge of which the circle center is the second rotating shaft, and inclined teeth textures which are arranged along the arc-shaped side edge are arranged in the arc-shaped side edge; the worm gear engages with the inclined teeth textures in the arc-shaped side edge. The reciprocating driving mechanism can drive a light cap to pass through a hole by reciprocating while rotating and then strobes in a plurality of directions so as to achieve a good warning effect, and other light areas can be conveniently distinguished; in addition, the light is easily recognized under a poor visibility.

Description

Taxiway center line light and reciprocating drive mechanism thereof
[technical field]
The present invention relates to a kind of airport light fixture, particularly relate to a kind of reciprocating drive mechanism of taxiway center line light.
[background technology]
The light that airport taxiway centre-line light sends is for navigating to driver.But, tradition airport taxiway centre-line light can only be in long bright state, the light easily making taxiway center line light send can be obscured mutually with the light that other neighbouring indicator lamps send, or is difficult to identification when visibility is poor, causes its alarming effect poor.
[summary of the invention]
In view of above-mentioned condition, be necessary to provide the good taxiway center line light of a kind of alarming effect and reciprocating drive mechanism thereof.
A reciprocating drive mechanism for taxiway center line light, comprising:
First support;
Be provided with the tumbler of the first rotating shaft, described first rotating shaft penetrates rotatably described first support, makes described tumbler dynamic relative to described first bracket-rotatable;
The second support arranged with described first support spacing side by side;
Be provided with the swing component of the second rotating shaft, described second rotating shaft penetrates rotatably described second support, and described swing component can be swung back and forth relative to described second support; The curved edge that it is the center of circle that described swing component has with described second rotating shaft, and described curved edge is provided with the diagonal pitch arranged along described curved edge;
The connecting rod that one end and described tumbler are rotatably connected away from the position of described first rotating shaft, the position between described curved edge and described second rotating shaft of the other end and described swing component is rotatably connected, one end of described connecting rod is around described first axis of rotation, and the other end carrys out back rotation around described second rotating shaft; And
Be arranged with the drive link of worm gear, described worm gear is fixedly connected with described drive link, and drives described drive link to link together; Described worm gear is meshed with the diagonal pitch of described curved edge;
Wherein, described tumbler drives described swing component to swing back and forth within the scope of predetermined angle by described connecting rod, described curved edge is made to carry out back rotation around described second rotating shaft, the diagonal pitch of described curved edge engages with the described worm gear on described drive link, and described drive link is axially being moved around along self while self axial rotation.
The reciprocating drive mechanism of above-mentioned taxiway center line light drives swing component to carry out back rotation by the rotation of tumbler, and swing component is provided with the diagonal pitch be meshed with the worm gear on drive link, thus make swing component drive drive link rotation when carrying out back rotation, and move back and forth while rotation; The end of drive link is used for the lamp holder of fixing taxiway center line light, lamp holder rotates with drive link and moves back and forth, make lamp holder while rotation back and forth through loophole, carry out multi-faceted stroboscopic, thus play good warning function, be convenient to distinguish with other light, and also easily identification under the poor condition of visibility.
Wherein in an embodiment, described tumbler is crank, and described first rotating shaft is vertically fixed on one end of described crank, and the end of described connecting rod is rotatably connected by the other end of pivot and described crank.
Wherein in an embodiment, described tumbler is disk, and described first rotating shaft is vertically fixed on the center of circle of described disk, and the end of described connecting rod is rotatably connected by the edge of pivot and described disk.
Wherein in an embodiment, described tumbler is cam, and described first rotating shaft is vertically fixed on the axle center of described cam, and the end of described connecting rod is rotatably connected by the chimb of pivot and described cam.
Wherein in an embodiment, described swing component comprises swing arm and arc wheel hub, one end of described swing arm is fixedly connected with the mid point of described arc wheel hub, the other end is connected with described second rotating shaft is vertical, described arc wheel hub with described swing arm for radius, with described second rotating shaft for the center of circle, described curved edge is the outward flange of described arc wheel hub.
Wherein in an embodiment, also comprise motor, the driving shaft of described motor is fixedly connected with described first rotating shaft is coaxial, and tumbler described in described driven by motor moves in a circle or arc angle moves back and forth.
Wherein in an embodiment, described first rotating shaft is through described tumbler, described first support comprises two the first mounting lugs, described two the first mounting lug parallel interval are arranged, described tumbler is between described two the first mounting lugs, and the two ends of described first rotating shaft are rotatable through described two the first mounting lugs respectively.
Wherein in an embodiment, described second rotating shaft is through described swing component, described second support comprises two the second mounting lugs, described two the second mounting lug parallel interval are arranged, described swing component is between described two the second mounting lugs, and the two ends of described second rotating shaft are rotatable through described two the second mounting lugs respectively.
Wherein in an embodiment, also comprise shell, two side plates be oppositely arranged that described shell comprises base plate and is fixedly connected with the opposite end of described base plate respectively, described power transmission shaft rotatably wears described two side plates, and one end of described power transmission shaft exposes to outside described shell; Described first support and described second support are all positioned at described shell, and are fixed on described base plate.
Meanwhile, the present invention also provides a kind of taxiway center line light adopting above-mentioned reciprocating drive mechanism.
A kind of taxiway center line light, it comprises:
Above-mentioned reciprocating drive mechanism; And
Be fixed on the lamp holder on one end that described power transmission shaft exposes to outside described shell.
[accompanying drawing explanation]
Fig. 1 is the structural representation of the taxiway center line light of embodiment of the present invention.
[detailed description of the invention]
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.Preferred embodiment of the present invention is given in accompanying drawing.But the present invention can realize in many different forms, is not limited to embodiment described herein.On the contrary, provide the object of these embodiments be make the understanding of disclosure of the present invention more comprehensively thorough.
It should be noted that, when element is called as " being fixed on " another element, directly can there is element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be directly connected to another element or may there is centering elements simultaneously.Term as used herein " vertical ", " level ", "left", "right" and similar statement are just for illustrative purposes.
Unless otherwise defined, all technology used herein and scientific terminology are identical with belonging to the implication that those skilled in the art of the present invention understand usually.The object of term used in the description of the invention herein just in order to describe specific embodiment, is not intended to be restriction the present invention.Term as used herein " and/or " comprise arbitrary and all combinations of one or more relevant Listed Items.
Refer to Fig. 1, the taxiway center line light 10 of one embodiment of the present invention comprises reciprocating drive mechanism 100 and lamp holder 200, and reciprocating drive mechanism 100 rotates simultaneously for driving lamp holder 200 and moves back and forth.
Reciprocating drive mechanism 100 comprises the first support 110, tumbler 120, second support 130, swing component 140, connecting rod 150 and drive link 160.First support 110 for support rotating part 120, second support 130 for supporting swing component 140.Tumbler 120 drives swing component 140 by connecting rod 150, and swing component 140 matches with drive link 160, makes drive link 160 rotation simultaneously and moves back and forth.
Tumbler 120 is provided with the first rotating shaft (figure does not mark), and the first rotating shaft penetrates rotatably the first support 110, makes tumbler 120 rotatable relative to the first support 110.Specifically in the illustrated embodiment in which, first rotating shaft is through tumbler 120, first support 110 comprises two the first mounting lugs (figure does not mark), two the first mounting lug parallel interval are arranged, tumbler 120 is between two the first mounting lugs, and the two ends of the first rotating shaft are rotatable through two the first mounting lugs respectively.
Because tumbler 120 is between two the first mounting lugs, be subject to the spacing of two the first mounting lugs, avoid tumbler 120 double swerve in rotation process, thus tumbler 120 is stably rotated.
The structure of tumbler 120 can design as required, and such as, in the illustrated embodiment in which, tumbler 120 is crank, and the first rotating shaft is vertically fixed on one end of crank, and the end of connecting rod 150 is rotatably connected by the other end of pivot and crank.
In other embodiments, tumbler 120 is disk, and the first rotating shaft is vertically fixed on the center of circle of disk, and the end of connecting rod 150 is rotatably connected by the edge of pivot and disk.
In another embodiment, tumbler 120 is cam, and the first rotating shaft is vertically fixed on the axle center of cam, and the end of connecting rod 150 is rotatably connected by the chimb of pivot and cam.
Second support 130 and the first support 110 spacing side by side are arranged.Swing component 140 is provided with the second rotating shaft, and the second rotating shaft penetrates rotatably the second support 130, and swing component 140 can be swung back and forth relative to the second support 130.The curved edge that it is the center of circle that swing component 140 has with the second rotating shaft, and curved edge is provided with the diagonal pitch of arcuately edge arrangement.
Specifically in the illustrated embodiment in which, second rotating shaft is through swing component 140, second support 130 comprises two the second mounting lugs, two the second mounting lug parallel interval are arranged, swing component 140 is between two the second mounting lugs, and the two ends of the second rotating shaft are rotatable through two the second mounting lugs respectively.
Because swing component 140 is between two the second mounting lugs of the second support 130, is subject to the spacing of two the second mounting lugs, avoids swing component 140 double swerve in rotation process.
The structure of swing component 140 can design as required, such as, in the illustrated embodiment in which, swing component 140 comprises swing arm 141 and arc wheel hub 143, one end of swing arm 141 is fixedly connected with the mid point of arc wheel hub 143, and the other end is connected with the second rotating shaft is vertical, arc wheel hub 143 with swing arm 141 for radius, with the second rotating shaft for the center of circle, curved edge is the outward flange of arc wheel hub 143.
Because swing component 140 is formed primarily of swing arm 141 and arc wheel hub 143, lighter weight, reduces the inertia of swing component 140, thus it is comparatively steady that swing component 140 is swung.Further, one end of swing arm 141 is fixedly connected with the mid point of arc wheel hub 143, makes arc wheel hub 143 stressed comparatively even at rotation process.
Certainly, in the present invention, swing component 140 can also be structure, and such as, in other embodiments, swing component 140 is sector disk, and the second rotating shaft is vertically fixed on the circle centre position of sector disk.
One end of connecting rod 150 and tumbler 120 are rotatably connected away from the position of the first rotating shaft, and the position between curved edge and the second rotating shaft of the other end and swing component 140 is rotatably connected.One end of connecting rod 150 is around the first axis of rotation, and the other end carrys out back rotation around the second rotating shaft.
Drive link 160 is arranged with worm gear 170, and worm gear 170 is fixedly connected with drive link 160, and drives drive link 160 to link together.Worm gear 170 is meshed with the diagonal pitch of the curved edge of swing component 140.
Wherein, tumbler 120 drives swing component 140 to swing back and forth within the scope of predetermined angle by connecting rod 150, the curved edge of swing component 140 is made to carry out back rotation around the second rotating shaft, the diagonal pitch of the curved edge of swing component 140 engages with the worm gear 170 on drive link 160, and drive link 160 is axially being moved around along self while self axial rotation.
Further, reciprocating drive mechanism 100 also comprises motor, and the driving shaft of motor is fixedly connected with the first rotating shaft is coaxial, and driven by motor tumbler 120 moves in a circle or arc angle moves back and forth.
Further, reciprocating drive mechanism 100 also comprises shell 180, two side plates be oppositely arranged 183 that shell 180 comprises base plate 181 and is fixedly connected with the opposite end of base plate 181 respectively, power transmission shaft rotatably wears two side plates 183, and one end of power transmission shaft exposes to outside shell 180.First support 110 and the second support 130 are all positioned at shell 180, and are fixed on base plate 181.
Further, reciprocating drive mechanism 100 also comprises two elastic components, two elastic components lay respectively at the both sides of the second support 130, the side that the two ends of one of them elastic component are positioned at the second support 130 with the middle part of swing arm 141 and the base plate 181 of shell 180 is respectively fixedly connected with, for providing an elastic pulling force to swing arm 141.The opposite side that the two ends of another one elastic component are positioned at the second support 130 with the middle part of swing arm 141 and the base plate 181 of shell 180 is respectively fixedly connected with, for providing an elastic pulling force to swing arm 141, thus the swing arm 141 made is subject to the active force of two elastic component symmetries, plays the effect of damping when light fixture stops.
Lamp holder 200 is fixed on one end that power transmission shaft exposes to outside shell 180.When drive link 160 rotates and moves back and forth, lamp holder 200 is followed drive link 160 and is rotated together and move back and forth.Be provided with opening 301 at body of wall/baffle plate 300 place of the centre of two panels irradiated region, lamp holder 200 can shuttle thus in turn at two irradiation areas, make to see outside body of wall/baffle plate that the light source of lamp holder 200 is flashings, from realizing warning function in opening 301.But in fact the light source of lamp holder 200 is in normal bright state always, service life can not be reduced because of the light source of lamp holder 200 because of stroboscopic.
The reciprocating drive mechanism 100 of above-mentioned taxiway center line light 10 drives swing component 140 to carry out back rotation by the rotation of tumbler 120, and swing component 140 is provided with the diagonal pitch be meshed with the worm gear 170 on drive link 160, thus make swing component 140 drive drive link 160 rotation when carrying out back rotation, and move back and forth while rotation; The end of drive link 160 is used for the lamp holder 200 of fixing taxiway center line light 10, lamp holder 200 rotates with drive link 160 and moves back and forth, make lamp holder 200 while rotation back and forth through loophole, carry out multi-faceted stroboscopic, thus play good warning function, be convenient to distinguish with other light, and also easily identification under the poor condition of visibility.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not 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 reciprocating drive mechanism for taxiway center line light, is characterized in that, comprising:
First support;
Be provided with the tumbler of the first rotating shaft, described first rotating shaft penetrates rotatably described first support, makes described tumbler dynamic relative to described first bracket-rotatable;
The second support arranged with described first support spacing side by side;
Be provided with the swing component of the second rotating shaft, described second rotating shaft penetrates rotatably described second support, and described swing component can be swung back and forth relative to described second support; The curved edge that it is the center of circle that described swing component has with described second rotating shaft, and described curved edge is provided with the diagonal pitch arranged along described curved edge;
The connecting rod that one end and described tumbler are rotatably connected away from the position of described first rotating shaft, the position between described curved edge and described second rotating shaft of the other end and described swing component is rotatably connected, one end of described connecting rod is around described first axis of rotation, and the other end carrys out back rotation around described second rotating shaft; And
Be arranged with the drive link of worm gear, described worm gear is fixedly connected with described drive link, and drives described drive link to link together; Described worm gear is meshed with the diagonal pitch of described curved edge;
Wherein, described tumbler drives described swing component to swing back and forth within the scope of predetermined angle by described connecting rod, described curved edge is made to carry out back rotation around described second rotating shaft, the diagonal pitch of described curved edge engages with the described worm gear on described drive link, and described drive link is axially being moved around along self while self axial rotation.
2. the reciprocating drive mechanism of taxiway center line light as claimed in claim 1, it is characterized in that, described tumbler is crank, and described first rotating shaft is vertically fixed on one end of described crank, and the end of described connecting rod is rotatably connected by the other end of pivot and described crank.
3. the reciprocating drive mechanism of taxiway center line light as claimed in claim 1, it is characterized in that, described tumbler is disk, and described first rotating shaft is vertically fixed on the center of circle of described disk, and the end of described connecting rod is rotatably connected by the edge of pivot and described disk.
4. the reciprocating drive mechanism of taxiway center line light as claimed in claim 1, it is characterized in that, described tumbler is cam, and described first rotating shaft is vertically fixed on the axle center of described cam, and the end of described connecting rod is rotatably connected by the chimb of pivot and described cam.
5. the reciprocating drive mechanism of taxiway center line light as claimed in claim 1, it is characterized in that, described swing component comprises swing arm and arc wheel hub, one end of described swing arm is fixedly connected with the mid point of described arc wheel hub, the other end is connected with described second rotating shaft is vertical, described arc wheel hub is with described swing arm for radius, and with described second rotating shaft for the center of circle, described curved edge is the outward flange of described arc wheel hub.
6. the reciprocating drive mechanism of taxiway center line light as claimed in claim 1, it is characterized in that, also comprise motor, the driving shaft of described motor is fixedly connected with described first rotating shaft is coaxial, and tumbler described in described driven by motor moves in a circle or arc angle moves back and forth.
7. the reciprocating drive mechanism of taxiway center line light as claimed in claim 1, it is characterized in that, described first rotating shaft is through described tumbler, described first support comprises two the first mounting lugs, described two the first mounting lug parallel interval are arranged, described tumbler is between described two the first mounting lugs, and the two ends of described first rotating shaft are rotatable through described two the first mounting lugs respectively.
8. the reciprocating drive mechanism of taxiway center line light as claimed in claim 7, it is characterized in that, described second rotating shaft is through described swing component, described second support comprises two the second mounting lugs, described two the second mounting lug parallel interval are arranged, described swing component is between described two the second mounting lugs, and the two ends of described second rotating shaft are rotatable through described two the second mounting lugs respectively.
9. the reciprocating drive mechanism of the taxiway center line light as described in any one of claim 1 ~ 8, it is characterized in that, also comprise shell, two side plates be oppositely arranged that described shell comprises base plate and is fixedly connected with the opposite end of described base plate respectively, described power transmission shaft rotatably wears described two side plates, and one end of described power transmission shaft exposes to outside described shell; Described first support and described second support are all positioned at described shell, and are fixed on described base plate.
10. a taxiway center line light, is characterized in that, comprising:
Reciprocating drive mechanism as claimed in claim 9; And
Be fixed on the lamp holder on one end that described power transmission shaft exposes to outside described shell.
CN201310611560.6A 2013-11-26 2013-11-26 Taxiway center line light and its reciprocating drive mechanism Active CN104676352B (en)

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CN104676352B CN104676352B (en) 2018-10-12

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106195792A (en) * 2016-08-28 2016-12-07 张子和 A kind of stage lighting units being easy to oscillating lifting
CN106545781A (en) * 2015-09-23 2017-03-29 大金工业株式会社 Light fixture, air-conditioner indoor unit panel and indoor apparatus of air conditioner
CN108487516A (en) * 2018-03-30 2018-09-04 刘振华 A kind of curtain wall decoration structure

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Publication number Priority date Publication date Assignee Title
GB479546A (en) * 1936-11-10 1938-02-08 John Eskdale Fishburn Improvements relating to ticket cancelling machines
CN201162984Y (en) * 2007-11-23 2008-12-10 宋春永 Scanning anti-fog lamp for automobile
CN101521479A (en) * 2009-02-21 2009-09-02 张晋 Worm wheel connecting rod driven planar solar autotracker based on reciprocation
CN201329532Y (en) * 2008-12-29 2009-10-21 浙江名媛工艺饰品有限公司 Reciprocating movement structure for grinding and polishing roll
CN102996379A (en) * 2012-12-11 2013-03-27 西南交通大学 Checkerboard type road micro-energy collecting system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB479546A (en) * 1936-11-10 1938-02-08 John Eskdale Fishburn Improvements relating to ticket cancelling machines
CN201162984Y (en) * 2007-11-23 2008-12-10 宋春永 Scanning anti-fog lamp for automobile
CN201329532Y (en) * 2008-12-29 2009-10-21 浙江名媛工艺饰品有限公司 Reciprocating movement structure for grinding and polishing roll
CN101521479A (en) * 2009-02-21 2009-09-02 张晋 Worm wheel connecting rod driven planar solar autotracker based on reciprocation
CN102996379A (en) * 2012-12-11 2013-03-27 西南交通大学 Checkerboard type road micro-energy collecting system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106545781A (en) * 2015-09-23 2017-03-29 大金工业株式会社 Light fixture, air-conditioner indoor unit panel and indoor apparatus of air conditioner
CN106545781B (en) * 2015-09-23 2021-05-28 大金工业株式会社 Machine in panel and air conditioning in lighting assembly, air conditioning
CN106195792A (en) * 2016-08-28 2016-12-07 张子和 A kind of stage lighting units being easy to oscillating lifting
CN108487516A (en) * 2018-03-30 2018-09-04 刘振华 A kind of curtain wall decoration structure

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