CN102707728A - Movement limiting device for lamp and moving lamp - Google Patents
Movement limiting device for lamp and moving lamp Download PDFInfo
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- CN102707728A CN102707728A CN2011100755277A CN201110075527A CN102707728A CN 102707728 A CN102707728 A CN 102707728A CN 2011100755277 A CN2011100755277 A CN 2011100755277A CN 201110075527 A CN201110075527 A CN 201110075527A CN 102707728 A CN102707728 A CN 102707728A
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- switch
- motor
- driving lever
- gear leg
- light fixture
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Abstract
The invention discloses a movement limiting device for a lamp. The movement limiting device comprises a first limiting unit and a second limiting unit. The invention further provides a lamp containing the movement limiting device. The movement limiting device has the beneficial effects: when a lamp moving structure rotates to a limit position, a limiting protection device for switching off a power supply of a motor to stop the motor from running through a touch switch elastic sheet is adopted; and a gear supporting leg is arranged and is used for stopping a shifting rod or a bracket from rotating when a switch is damaged, so that the operating load of the motor is increased, the motor is stopped from rotating by using the overload protection of the motor, and the moving lamp is protected. The movement limiting device can be used for preventing the lamp from being damaged easily.
Description
Technical field
The part technical field that the present invention relates to throw light on especially relates to a kind of motion light fixture that is used for the sports limiting device of light fixture and adopts this device.
Background technology
The motion structure of light fixture from the consideration of protection light fixture, generally can be provided with certain position limitation protection at the extreme position that motion structure rotates usually.Existing light fixture motion structure is when rotating, and extreme position adopts single position limitation protection more, and have even complete unprotect is easy to cause light fixture to damage like this.
Summary of the invention
The present invention discloses a kind of sports limiting device that is used for light fixture, and purpose provides the multilayer position limitation protection when being to rotate for light fixture, and protection motion light fixture is not fragile.
For realizing the object of the invention, the sports limiting device that is used for light fixture of the present invention comprises first position-limiting unit.First position-limiting unit comprises fixed head, first runner assembly and first limit assembly.First runner assembly and first limit assembly are arranged on the fixed head.
First runner assembly comprises first motor, main shaft and pole.Strut fixation is in the main shaft outside, and first motor can drive main shaft and rotate, and pole is along with main shaft rotates synchronously.
First limit assembly comprises first switch, second switch, driving lever, driving lever rotating shaft, the first gear leg and the second gear leg.Driving lever is connected with fixed head through the driving lever rotating shaft, and driving lever can be that rotate at the center with the driving lever rotating shaft.The first gear leg and the second gear leg symmetry are fixed on the both sides of driving lever.First switch and second switch are the position limitation protection switch of first motor, are symmetricly set on the both sides of driving lever, and first switch and second switch are in the outside of the first gear leg and the second gear leg.
It is that rotate at the center with the driving lever rotating shaft that pole can be stirred driving lever, driving lever is touched to first switch or second switch cut off first motor power, and first motor is shut down.The first gear leg or the second gear leg can block driving lever stops operating it, through the motor overload protection said first motor is shut down.
More preferably, the sports limiting device that is used for light fixture of the present invention also comprises second position-limiting unit.
Second position-limiting unit comprises fixed mount, the second turning discreteness and second limit assembly, and the second turning discreteness and second limit assembly are arranged on the fixed mount.
The second turning discreteness comprises second motor, rack shaft and support.It is that rotate at the center with the rack shaft that second motor can drive support.
Second limit assembly comprises the 3rd switch, the 4th switch and third gear leg.The 3rd switch and the 4th switch are the position limitation protection switches of second motor, are set up in parallel on fixed mount.The third gear leg is fixed on the 3rd switch, between the 4th switch and the support.Support can touch to the 3rd switch or the 4th switch and cut off second motor power, and second motor is shut down.The third gear leg can block support stops operating it, through the motor overload protection said second motor is shut down.
Rack shaft is vertical each other with main shaft.
More preferably, the sports limiting device that is used for light fixture of the present invention, the first gear leg and the said second gear leg between driving lever rotating shaft and main shaft near driving lever rotating shaft one side.
More preferably, the sports limiting device that is used for light fixture of the present invention, pole has the centre position, i.e. on the straight line that main shaft and driving lever rotating shaft confirmed and pole away from the position of driving lever rotating shaft.
More preferably, the sports limiting device that is used for light fixture of the present invention, first switch and second switch are respectively equipped with first switch shrapnel and second switch shell fragment.
Pole is being rotated in 0 °-180 ° scope from middle position under the drive of first motor along clockwise direction or counterclockwise.When pole when rotation surpasses 180 ° from middle position, driving lever is stirred by pole and is pressed and contact first switch shrapnel or second switch shell fragment, thereby touches first switch respectively or second switch cuts off first motor power, and first motor is shut down.
More preferably; The sports limiting device that is used for light fixture of the present invention, the first gear leg or the second gear leg are used for, and are touching the damage of the second switch or first switch; In the time of can not touching the second switch or first switch first motor stopped operating; Block the driving lever that is rotated further it is stopped operating, the operating load of first motor is strengthened, and through the motor overload protection said first motor is shut down.
More preferably, the sports limiting device that is used for light fixture of the present invention, the 3rd switch and the 4th switch are respectively equipped with the 3rd switch shrapnel and the 4th switch shrapnel.
Support rotates under the drive of second motor, and support is pressed and to be contacted the 3rd switch shrapnel or the 4th switch shrapnel, thereby touches the 3rd switch respectively or the 4th switch cuts off second motor power, and second motor is shut down.
More preferably; The sports limiting device that is used for light fixture of the present invention, the third gear leg is used for, and damages at the 3rd switch or the 4th switch; In the time of can not touching the 3rd switch or the 4th switch second motor shut down; Block the support that is rotated further it is stopped operating, the operating load of second motor is strengthened, and through the motor overload protection said second motor is shut down.
Another object of the present invention is to provide a kind of motion light fixture, comprise base and lampshade; Also comprise the sports limiting device; One end of said sports limiting device is connected with base through main shaft; The other end is fixed in the lampshade, makes said first position-limiting unit be used for lampshade sports limiting in the horizontal direction, and said second position-limiting unit is used for lampshade sports limiting in vertical direction.
Beneficial effect of the present invention is, when the light fixture motion structure turns to extreme position, adopts the touch switch shell fragment to cut off the limiting and protecting device that motor power makes its stop motion; And be provided with the gear leg, the gear leg stops the rotation of driving lever or support with resistance when switch damages, and the operating load of expanded motor utilizes the overload protection of motor that motor is shut down, and through the multilayer position limitation protection, protection motion light fixture is not fragile.The beneficial effect of motion light fixture of the present invention is that an end of seal closely is connected with bearing, and the other end closely is connected with the opening of lampshade, makes to form airtight space in the lampshade; Realize waterproof effect preferably, simultaneously, owing to adopted bearing; The inner ring of bearing tightly is enclosed within on the main shaft; The outer ring closely is connected with an end of seal, and seal can rotate and can produce not interfere with main shaft with lampshade together, can not damage seal.
Description of drawings
Fig. 1 is the sports limiting device perspective view that is used for light fixture of the present invention;
Fig. 2 is the first position-limiting unit structural representation that is used for the sports limiting device of light fixture of the present invention;
Fig. 3 is a synoptic diagram that direction is spacing of first position-limiting unit shown in Figure 2;
Fig. 4 is the spacing synoptic diagram of another direction of first position-limiting unit shown in Figure 2;
Fig. 5 is the second position-limiting unit structural representation that is used for the sports limiting device of light fixture of the present invention;
Fig. 6 is a synoptic diagram that direction is spacing of second position-limiting unit shown in Figure 5;
Fig. 7 is the spacing synoptic diagram of another direction of second position-limiting unit shown in Figure 5;
Fig. 8 is the synoptic diagram of motion light fixture provided by the invention;
Fig. 9 is the diagrammatic cross-section of motion light fixture shown in Figure 8;
Figure 10 is motion light fixture shown in Figure 8 (not comprising a sports limiting device) diagrammatic cross-section.
Embodiment
For purpose, technical scheme and the advantage of the stop means that makes motion light fixture of the present invention are clearer,, the stop means of motion light fixture of the present invention is further elaborated below in conjunction with concrete accompanying drawing and specific embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Embodiment one
As depicted in figs. 1 and 2, first position-limiting unit comprises fixed head 1, the first runner assembly 2 and first limit assembly 3.First runner assembly 2 is arranged on the said fixed head 1 with said first limit assembly 3.
First runner assembly 2 comprises first motor, main shaft 21 and pole 22.Pole 22 is fixed on main shaft 21 outsides, and first motor can drive main shaft 21 and rotate, and pole 22 is along with main shaft 21 rotates synchronously.
First limit assembly 3 comprises first switch 31, second switch 32, driving lever 33, driving lever rotating shaft 331, the first gear legs 34 and the second gear leg 35.Driving lever 33 is connected with fixed head 1 through driving lever rotating shaft 331, and driving lever 33 can be that rotate at the center with driving lever rotating shaft 331; The first gear leg 34 and the second gear leg, 35 symmetries are fixed on the both sides of driving lever 33, and the first gear leg 34 and the second gear leg 35 between driving lever rotating shaft 331 and main shaft 21 near driving lever rotating shaft 33 1 sides.First switch 31 is the position limitation protection switch of first motor with second switch 32, is symmetricly set on the both sides of driving lever 33; And first switch 31 and the outside of second switch 32 at the first gear leg 34 and the second gear leg 35.
Like Fig. 3 and shown in Figure 4, pole 22 from middle position, is rotated in 0 °-180 ° scope under the drive of first motor along clockwise direction or counterclockwise; When pole 22 is rotated above 180 ° from middle position; Driving lever 33 is stirred by pole 22 and is pressed and contact first switch shrapnel 311 or second switch shell fragment 321; Thereby touch first switch 31 or second switch 32 cut-outs first motor power respectively, said first motor is shut down.
The first gear leg 34 or the second gear leg 35 are used for; Damage at the second switch 32 or first switch 31; In the time of can not touching the second switch 32 or first switch 31 first motor stopped operating; Block the driving lever 33 that is rotated further it is stopped operating, the operating load of first motor is strengthened, and through the motor overload protection said first motor is shut down.
In the horizontal direction, the sports limiting device of light fixture of the present invention has adopted double spacing, has guaranteed that light fixture rotates in the angle with rational scope in the horizontal direction, thereby makes light fixture not fragile when rotating.
Fig. 5 is the second position-limiting unit structural representation that is used for the sports limiting device of light fixture of the present invention, and like Fig. 1 and shown in Figure 5, second position-limiting unit comprises fixed mount 4, the second turning discreteness 5 and second limit assembly 6.The second turning discreteness 5 and second limit assembly 6 are arranged on the fixed mount 4.
The second turning discreteness 5 comprises second motor, rack shaft 51 and support 52.It is that rotate at the center with rack shaft 51 that second motor can drive support 52.
Second limit assembly 6 comprises the 3rd switch 61, the four switches 62 and third gear leg 63.The 3rd switch 61 and the 4th switch 62 are position limitation protection switches of second motor, are set up in parallel on fixed mount 4, and third gear leg 63 is fixed between the 3rd switch 61, the four switches 62 and the support 52.
The 3rd switch 61 and the 4th switch 62 are respectively equipped with the 3rd switch shrapnel 611 and the 4th switch shrapnel 621.
Like Fig. 6 and shown in Figure 7; Support 52 rotates under the drive of second motor; Support 52 is pressed and is contacted the 3rd switch shrapnel 611 or the 4th switch shrapnel 621, thereby touches the 3rd switch 61 or the 4th switch 62 cut-outs second motor power respectively, and second motor is shut down.
In vertical direction, the sports limiting device of light fixture of the present invention has adopted double spacing, has guaranteed that light fixture rotates in the angle with rational scope in vertical direction, thereby makes light fixture not fragile when rotating.
Preferably, main shaft 21 is vertical each other with rack shaft 51.
The beneficial effect of the stop means of motion light fixture of the present invention is, when the light fixture motion structure turns to extreme position, adopts the touch switch shell fragment to cut off the limiting and protecting device that motor power makes its stop motion; And be provided with the gear leg, the gear leg stops the rotation of driving lever or support with resistance when switch damages, and the operating load of expanded motor utilizes the overload protection of motor that motor is shut down, and through the multilayer position limitation protection, protection motion light fixture is not fragile.
Embodiment two
Like Fig. 8 and shown in Figure 9, motion light fixture 100 comprises base 110 and lampshade 120; Also comprise embodiment one described sports limiting device; One end of sports limiting device is connected with base 110 through main shaft 21; The other end is fixed in the lampshade 120; Make said first position-limiting unit be used for lampshade 120 sports limiting in the horizontal direction, said second position-limiting unit is used for lampshade 120 sports limiting in vertical direction.
Wherein, light source is installed on the sports limiting device, is positioned at lampshade 120.
Preferably, shown in figure 10, also comprise seal 130 and water-sealed bearing 140; The inner ring of said water-sealed bearing 140 tightly is enclosed within the end that said main shaft links to each other with said base, and the outer ring of said water-sealed bearing closely is connected with an end of said seal 130, and the other end of said seal closely is connected with the opening of said lampshade.
Shown in figure 10, also comprise pressing plate 150 and web member 160, said web member 160 is pressed on the other end of said seal between the housing of opening part of said pressing plate 150 and said lampshade.
Said seal 130 closely be wrapped in said water-sealed bearing 140 the outer ring outside and with the both sides of said outside adjacency.
Like Fig. 8, Fig. 9 and shown in Figure 10 also comprises the gland 170 that is arranged between said base 110 and the said seal 130.
Shown in figure 10, said base 110 is provided with host cavity 180, and said water-sealed bearing 140 is installed in the said host cavity 180.
The beneficial effect of motion light fixture of the present invention is that an end of seal closely is connected with bearing, and the other end closely is connected with the opening of lampshade, makes to form airtight space in the lampshade; Realize waterproof effect preferably, simultaneously, owing to adopted bearing; The inner ring of bearing tightly is enclosed within on the main shaft; The outer ring closely is connected with an end of seal, and seal can rotate and can produce not interfere with main shaft with lampshade together, can not damage seal.
Should be noted that at last that obviously those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these revise and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification.
Claims (10)
1. sports limiting device that is used for light fixture is characterized in that:
Comprise first position-limiting unit; Said first position-limiting unit comprises fixed head (1), first runner assembly (2) and first limit assembly (3), and said first runner assembly (2) and said first limit assembly (3) are arranged on the said fixed head (1);
Said first runner assembly (2) comprises first motor, main shaft (21) and pole (22); Said pole (22) is fixed on said main shaft (21) outside, and said first motor can drive said main shaft (21) and rotate, and said pole (22) is along with said main shaft (21) rotates synchronously;
Said first limit assembly (3) comprises first switch (31), second switch (32), driving lever (33), driving lever rotating shaft (331), the first gear leg (34) and the second gear leg (35); Said driving lever (33) is connected with said fixed head (1) through said driving lever rotating shaft (331), and said driving lever (33) can be that rotate at the center with said driving lever rotating shaft (331); Said first gear leg (34) and said second gear leg (35) symmetry are fixed on the both sides of said driving lever (33); Said first switch (31) and said second switch (32) are the position limitation protection switch of said first motor, are symmetricly set on the both sides of said driving lever (33); And said first switch (31) and said second switch (32) are in the outside of said first gear leg (34) and the said second gear leg (35);
It is that rotate at the center with said driving lever rotating shaft (331) that said pole (22) can be stirred said driving lever (33), makes said driving lever (33) touch said first switch (31) or said first motor power of second switch (32) cut-out, and said first motor is shut down; Said first gear leg (34) or the said second gear leg (35) can block said driving lever (33) stops operating it, through the motor overload protection said first motor is shut down.
2. the sports limiting device that is used for light fixture according to claim 1 is characterized in that:
Also comprise second position-limiting unit; Said second position-limiting unit comprises fixed mount (4), the second turning discreteness (5) and second limit assembly (6), and said the second turning discreteness (5) and second limit assembly (6) are arranged on the said fixed mount (4);
Said the second turning discreteness (5) comprises second motor, rack shaft (51) and support (52); It is that rotate at the center with said rack shaft (51) that said second motor can drive said support (52);
Said second limit assembly (6) comprises the 3rd switch (61), the 4th switch (62) and third gear leg (63); Said the 3rd switch (61) is the position limitation protection switch of said second motor with said the 4th switch (62), is set up in parallel on said fixed mount (4); Said third gear leg (63) is fixed on said the 3rd switch (61), between said the 4th switch (62) and the said support (52); Said support (52) can touch said the 3rd switch (61) or the 4th switch (62) cuts off said second motor power, and said second motor is shut down; Said third gear leg (63) can block said support (52) stops operating it, through the motor overload protection said second motor is shut down;
Said rack shaft (51) is vertical each other with said main shaft (21).
3. the sports limiting device that is used for light fixture according to claim 1 is characterized in that:
Said first gear leg (34) and the said second gear leg (35) between said driving lever rotating shaft (331) and said main shaft (21) near said driving lever rotating shaft (331) one sides.
4. the sports limiting device that is used for light fixture according to claim 1 is characterized in that:
Said pole (22) has the centre position, on the straight line that to be said main shaft (21) confirm with said driving lever rotating shaft (331) of said centre position and said pole (22) away from the position of said driving lever rotating shaft (331).
5. the sports limiting device that is used for light fixture according to claim 4 is characterized in that:
Said first switch (31) and said second switch (32) are respectively equipped with first switch shrapnel (311) and second switch shell fragment (321);
Said pole (22) is being rotated in 0 °-180 ° scope from middle position under the drive of said first motor along clockwise direction or counterclockwise; When said pole (22) is rotated above 180 ° from said centre position; Said driving lever (33) is stirred by said pole (22) and is pressed and contact said first switch shrapnel (311) or said second switch shell fragment (321); Cut off said first motor power thereby touch said first switch (31) or said second switch (32) respectively, said first motor is shut down.
6. the sports limiting device that is used for light fixture according to claim 5 is characterized in that,
Said first gear leg (34) or the said second gear leg (35) are used for; Damage at said second switch (32) or said first switch (31); In the time of can not touching said second switch (32) or said first switch (31) said first motor stopped operating; Block the said driving lever (33) that is rotated further it is stopped operating, the operating load of said first motor is strengthened, and through the motor overload protection said first motor is shut down.
7. the sports limiting device that is used for light fixture according to claim 2 is characterized in that:
Said the 3rd switch (61) and said the 4th switch (62) are respectively equipped with the 3rd switch shrapnel (611) and the 4th switch shrapnel (621);
Said support (52) rotates under the drive of said second motor; Said support (52) is pressed and is contacted said the 3rd switch shrapnel (611) or said the 4th switch shrapnel (621); Cut off said second motor power thereby touch said the 3rd switch (61) or said the 4th switch (62) respectively, said second motor is shut down.
8. the sports limiting device that is used for light fixture according to claim 2 is characterized in that,
Said third gear leg (63) is used for; Damage at said the 3rd switch (61) or said the 4th switch (62); In the time of can not touching said the 3rd switch (61) or said the 4th switch (62) said second motor shut down; Block the said support (52) that is rotated further it is stopped operating, the operating load of said second motor is strengthened, and through the motor overload protection said second motor is shut down.
9. a motion light fixture (100) comprises base (110) and lampshade (120); It is characterized in that:
Also comprise the described sports limiting device of claim 8; One end of said sports limiting device is connected with base (110) through main shaft (21); The other end is fixed in the lampshade (120); Make said first position-limiting unit be used for lampshade (120) sports limiting in the horizontal direction, said second position-limiting unit is used for lampshade (120) sports limiting in vertical direction.
10. motion light fixture according to claim 9 is characterized in that:
Also comprise seal (130) and water-sealed bearing (140); The inner ring of said water-sealed bearing (140) tightly is enclosed within the end that said main shaft (21) links to each other with said base (110); The outer ring of said water-sealed bearing (140) closely is connected with an end of said seal (130), and the other end of said seal (130) closely is connected with the opening of said lampshade (120);
Also comprise pressing plate (150) and web member (160), said web member (160) is pressed on the other end of said seal (130) between the housing of opening part of said pressing plate (150) and said lampshade (120);
Said seal (130) closely be wrapped in said water-sealed bearing (140) the outer ring outside and with the both sides of said outside adjacency;
Also comprise the gland (170) that is arranged between said base (110) and the said seal (130);
Said base (110) is provided with host cavity (180), and said water-sealed bearing (140) is installed in the said host cavity (180).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110075527.7A CN102707728B (en) | 2011-03-28 | 2011-03-28 | Sports limiting device and motion light fixture for light fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110075527.7A CN102707728B (en) | 2011-03-28 | 2011-03-28 | Sports limiting device and motion light fixture for light fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102707728A true CN102707728A (en) | 2012-10-03 |
| CN102707728B CN102707728B (en) | 2016-08-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110075527.7A Expired - Fee Related CN102707728B (en) | 2011-03-28 | 2011-03-28 | Sports limiting device and motion light fixture for light fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102707728B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104421890A (en) * | 2013-08-28 | 2015-03-18 | 深圳市海洋王照明工程有限公司 | Lamp and lamp holder adjustment mechanism thereof |
| CN111142573A (en) * | 2019-12-27 | 2020-05-12 | 兰州空间技术物理研究所 | Two-dimensional rotary table accompanying light projection lighting equipment in space microgravity environment |
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| US1537770A (en) * | 1919-08-23 | 1925-05-12 | Sperry Gyroscope Co Ltd | Positioning mechanism for searchlights |
| CN2442091Y (en) * | 2000-08-03 | 2001-08-08 | 上海纽福克斯汽车配件有限公司 | Radio remote control light lamp |
| US6428196B1 (en) * | 1999-09-30 | 2002-08-06 | Koito Manufacturing Co., Ltd. | Beam angle adjusting device for vehicular headlamp |
| CN2653286Y (en) * | 2003-09-02 | 2004-11-03 | 煜发有限公司 | Remote control combined signal lamp and spotlight |
| CN201306676Y (en) * | 2008-10-16 | 2009-09-09 | 邱诗咏 | Searchlight |
| CN201736002U (en) * | 2010-07-07 | 2011-02-09 | 常州星宇车灯股份有限公司 | Positioning installation mechanism for lamp press-fit device |
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2011
- 2011-03-28 CN CN201110075527.7A patent/CN102707728B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1537770A (en) * | 1919-08-23 | 1925-05-12 | Sperry Gyroscope Co Ltd | Positioning mechanism for searchlights |
| US6428196B1 (en) * | 1999-09-30 | 2002-08-06 | Koito Manufacturing Co., Ltd. | Beam angle adjusting device for vehicular headlamp |
| CN2442091Y (en) * | 2000-08-03 | 2001-08-08 | 上海纽福克斯汽车配件有限公司 | Radio remote control light lamp |
| CN2653286Y (en) * | 2003-09-02 | 2004-11-03 | 煜发有限公司 | Remote control combined signal lamp and spotlight |
| CN201306676Y (en) * | 2008-10-16 | 2009-09-09 | 邱诗咏 | Searchlight |
| CN201736002U (en) * | 2010-07-07 | 2011-02-09 | 常州星宇车灯股份有限公司 | Positioning installation mechanism for lamp press-fit device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104421890A (en) * | 2013-08-28 | 2015-03-18 | 深圳市海洋王照明工程有限公司 | Lamp and lamp holder adjustment mechanism thereof |
| CN104421890B (en) * | 2013-08-28 | 2018-09-11 | 深圳市海洋王照明工程有限公司 | Lamps and lanterns and its lamp cap regulating mechanism |
| CN111142573A (en) * | 2019-12-27 | 2020-05-12 | 兰州空间技术物理研究所 | Two-dimensional rotary table accompanying light projection lighting equipment in space microgravity environment |
| CN111142573B (en) * | 2019-12-27 | 2023-06-13 | 兰州空间技术物理研究所 | Two-dimensional turntable accompanying light projection lighting equipment in space microgravity environment |
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| Publication number | Publication date |
|---|---|
| CN102707728B (en) | 2016-08-03 |
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Granted publication date: 20160803 Termination date: 20190328 |