CN105289014A - Solar acousto-optical wireless control single-phase micromotor stage curtain drawing machine - Google Patents
Solar acousto-optical wireless control single-phase micromotor stage curtain drawing machine Download PDFInfo
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- CN105289014A CN105289014A CN201410283603.7A CN201410283603A CN105289014A CN 105289014 A CN105289014 A CN 105289014A CN 201410283603 A CN201410283603 A CN 201410283603A CN 105289014 A CN105289014 A CN 105289014A
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- stage
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Abstract
The invention relates to the technical field of electronics, in particular to a solar acousto-optical wireless control single-phase micromotor stage curtain drawing machine which comprises a solar power source, a bridge inverter, four stage curtains, four single-phase alternating-current induction micromotors M1, M2, M3 and M4, an acousto-optical control module, a wireless remote-control transmitter and receiver component and four-rail transmission mechanisms; the solar power source can be used for a long time once coming into service, so that power consumption is avoided, and convenience is brought to artistic entertainment performance on stages of gardens and squares; the single-phase alternating-current induction micromotors are large in moment, thereby being capable of drawing large stage curtains; when a plot starts, light becomes strong, a sound system is on, and the acousto-optical sensing single-phase alternating-current induction micromotors rotate forwards to automatically pull the curtains open; after the performance is finished, the sound system is off, the light becomes dim, acousto-optical sensing does not have signals, the single-phase alternating-current induction micromotors rotate reversely to automatically pull the curtains closed, a wireless remote-control unit pulls the curtains closed according to performance content, flexibility and convenience in use are realized, and cultural entertainment performance effect is improved. The solar acousto-optical wireless control single-phase micromotor stage curtain drawing machine is suitable for control of stage performance curtains.
Description
Technical field
The present invention relates to electronic technology field, specifically a kind of solar energy acousto-optic controlled in wireless single-phase micro machine stage curtain drawing machine.
Background technology
In park, square stage literature and art amusement performance, often power supply is laid inconvenient.Curtain is the main curtain of stage, and start for performing and terminate, hand-guided is wasted time and energy, and is not suitable with modern amusement performance requirement.Acousto-optic sensing amusement performance strong illumination, sound equipment has gathered and has automatically controlled to pull open curtain opener, and items on the program terminate the falling of dim light sound equipment and automatically control to draw to change curtain opener, reach performing effect.But, not all performance all needs controlled by sound and light, such as, performance solo, solo, performance need by stage two road curtain, three road curtains replacings or folding, lifting, obviously, controlled by sound and light stage curtain function is limited to, and does not also meet performance requirement, wireless remote control stage curtain can control by performance plot, and both are combined lifting performing effect.
Summary of the invention
The object of this invention is to provide park, the performance of square mobile stage, a kind of solar energy acousto-optic controlled in wireless single-phase micro machine stage curtain drawing machine that curtain controls.
The technology of the present invention solution: comprise sun-generated electric power, bridge-type inverter, four road stage curtains, four single phase ac induction micro machine M
1, M
2, M
3, M
4, controlled by sound and light module, wireless remote control emitter and receiver assembly, four rail draw curtain transmission mechanisms, wherein, controlled by sound and light module is by sound, optical sensor, preamplifier, shaping phase inverter, curtain pulls open stroke timer, curtain drawing stroke timer forms, wireless remote control emitter and receiver assembly are by A, B, C, D, E, F, G, H, I nine channel pulse is encoded, decoding, carrier frequency pulse amplitude modulation is launched, receive, interlocking controls, controlled by sound and light module sound, optical sensor connects curtain pull open stroke timer through a preamplifier shaping phase inverter of connecting, curtain pulls open stroke timer and exports through resistance R
2meet triode VT
1and relay J
1, controlled by sound and light module acousto-optic sensor connects curtain drawing stroke timer through preamplifier two shaping phase inverters of connecting, and curtain drawing stroke timer exports through resistance R
1meet triode VT
2and relay J
2, wireless remote controlled receiver decoding exports channel B through resistance R
3meet triode VT
1and relay J
1, C-channel is through resistance R
4meet triode VT
2and relay J
2, H passage is through resistance R
5meet triode VT
3and relay J
3, I passage is through resistance R
6meet triode VT
4and relay J
4, equally, passage D, E and F, G connect corresponding triode and relay through resistance, single phase ac induction micro machine M
1control circuit control coil L
1by relay contact J
1-1, J
1-2with J
2-1, J
2-2commutation intersection connects sun-generated electric power bridge-type inverter output, magnetizing coil L
2through electric capacity C
2phase shift connects sun-generated electric power bridge-type inverter output, single phase ac induction micro machine M
2~ M
4control circuit and single phase ac respond to micro machine M
1control circuit is identical, and four rail draw curtain transmission mechanisms respond to micro machine M by four single phase acs
1, M
2, M
3, M
4axle all draws four road stage curtain opening and closing, wireless remote control emitter button S respectively through transmission case worm and gear deceleration transmission four rail Timing Belt
1control first road curtain to pull open, button S
2control the curtain drawing of first road, button S
3, S
5control second, the 3rd road curtain pull open, button S
4, S
6control this twice curtain drawing respectively, button S
7control extreme trace curtain to pull open, button S
8control the drawing of extreme trace curtain, A channel is through resistance R
7meet triode VT
5and bistable state memory self-locking relay J
5, often draw contact J
5-1connect acousto-optic controlled circuit modular power source end, normally opened contact J
5-2connect wireless remote controlled receiver power end, tool arm contact connects sun-generated electric power, button S
9control to switch controlled by sound and light and wireless remote control pattern,
Wherein, wireless remote control emitter is by coding chip IC
1pulse code A, B, C, D, E, F, G, H, I nine paths, by nine button S
1~ S
9switch control rule, through wireless transmission assembly A
1strength, modulation, antenna T
1launch telecommand, light emitting diode VD
1remote control indicates;
Wireless receiver is by antenna T
2, radio frequency reception assembly A
2receive remote control command signal amplification, demodulation, export access coding chip IC
2, pulse decoding A, B, C, D, E, F, G, H, I nine paths, interlocking controls, and amplifies respectively drive relay through triode, controls single phase ac induction micro machine M
1, M
2, M
3, M
4positive and negative rotation traction four road stage curtain opening and closing, A channel switches controlled by sound and light and wireless remote control pattern;
Sun-generated electric power is by photovoltaic battery panel E
2export through blocking diode VD
2, relay J contact J
-1meet battery E
3, controlled by sound and light module, wireless remote controlled receiver power end, bridge-type inverter input, battery E
3cross pressure-controlled sampling and meet potentiometer RP
2, adjustable termination window voltage comparable chip ICa positive input terminal, under-voltage control sampling meets potentiometer RP
1, adjustable termination window voltage comparable chip IC
bnegative input end, window voltage comparable chip ICa negative input end and window voltage comparable chip IC
bpositive input terminal is through resistance R
14, R
15divide crimping voltage-stabiliser tube VD
6voltage makes reference, and window voltage compares output through triode contact relay J, battery E
3serial connection quick acting fuse F, and take over control reversal connection diode VD
3;
Bridge-type inverter is by insulated gate power triode VT
6, VT
7, VT
8, VT
9composition PWM pulse width modulated inverter, four pipe grids connect PWM controller signal voltage respectively, and collector and emitter fly-wheel diode in parallel suppresses transformer to produce backward voltage, VT
6emitter stage series connection VT
7colelctor electrode connection transformer T primary inductance TL
1one end, VT
8emitter stage series connection VT
9colelctor electrode connection transformer primary inductance TL
1the other end, sun-generated electric power positive pole meets VT
6, VT
8colelctor electrode, sun-generated electric power negative pole meets VT
7, VT
9emitter stage, transformer secondary output inductance TL
2as bridge-type inverter output, single phase ac induction micro machine is through relay contact J
1-1, J
1-2with J
2-1, J
2-2interconnection commutates, and transformer PL penetrates load pickup current signal feedback and connects PWM controller pulsewidth modulation;
Four rail draw curtain transmission mechanisms connect transmission case respectively by four guide rail two ends, guide rail interior is by Timing Belt closed engagement two ends transmission case gear, Timing Belt engages two the traction cranes in left and right respectively, two, left and right traction crane inserts two groups of hanging wheels subsequently, hook support is put respectively outside transmission case, the transmission case of four guide rail one end is socketed single phase ac by worm shaft and responds to micro-motor, worm engaging worm gear speed reducing transmission, worm gear is coupling transmission case gear, four curtain top, road hooks are hooked on four traction cranes respectively, four road curtain stage curtain end hooks are hooked in four hook support respectively, all the other hooks of four road curtains are hooked on four groups of hanging wheels respectively.
The present invention produces good effect: sun-generated electric power removes laying electric network source from, once drop into Long-Time Service, there is no electricity charge consumption, facilitate park, square mobile stage literature and art amusement performance, acousto-optic sensing controls folding curtain opener automatically, accurately controls by the setting of performance plot, pull open or drawing stage two road curtain, three road curtains according to performance content wireless remote control, flexible and convenient to use, abundant performance increases enjoyment, promotes entertainment effect.Switch and light-operatedly change control model with wireless remote control power supply, components and parts are multiplexing, save cost.
Accompanying drawing explanation
Fig. 1 technical solution of the present invention schematic circuit
Fig. 2 tetra-rail single phase ac induction micro machine control circuit
Fig. 3 wireless remote control emitter
Fig. 4 wireless remote controlled receiver
Fig. 5 solar-electricity source control circuit
Fig. 6 tetra-rail stage curtain drawing machine schematic diagram
Detailed description of the invention
With reference to Fig. 1,2,3,4,5,6, the specific embodiment of the invention and embodiment: comprise sun-generated electric power 10, bridge-type inverter 16, four road stage curtain 8,9, four single phase ac induction micro machine M
1, M
2, M
3, M
44, 5, controlled by sound and light module 1, wireless remote control emitter 2 and receiver 3 assembly, four rail draw curtain transmission mechanisms 6, 7, wherein, controlled by sound and light module 1 is by sound, optical sensor 11, preamplifier 12, shaping phase inverter 13, curtain pulls open stroke timer 14, curtain drawing stroke timer 15 forms, wireless remote control emitter 2 and receiver 3 assembly are by A, B, C, D, E, F, G, H, I nine channel pulse is encoded, decoding, carrier frequency pulse modulate emission, receive, interlocking controls, controlled by sound and light module 1 is by sound, optical sensor 11 connects curtain pull open stroke timer 15 through a preamplifier 12 shaping phase inverter 13 of connecting, curtain pulls open stroke timer 15 and exports through resistance R
2meet triode VT
1and relay J
1, controlled by sound and light module 1 sound, optical sensor 11 connect curtain drawing stroke timer 14 through preamplifier 12 two shaping phase inverters 13 of connecting, and curtain drawing stroke timer 14 exports through resistance R
1meet triode VT
2and relay J
2, wireless remote controlled receiver 3 decoding exports channel B through resistance R
3meet triode VT
1and relay J
1, C-channel is through resistance R
4meet triode VT
2and relay J
2, H passage is through resistance R
5meet triode VT
3and relay J
3, I passage is through resistance R
6meet triode VT
4and relay J
4, equally, passage D, E and F, G connect corresponding triode and relay through resistance, single phase ac induction micro machine M
1control circuit Q
1control coil L
1by relay contact J
1-1, J
1-2with J
2-1, J
2-2commutation intersection connects sun-generated electric power 10 bridge-type inverter 16 output, magnetizing coil L
2through electric capacity C
2phase shift connects sun-generated electric power 10 bridge-type inverter 16 output, single phase ac induction micro machine M
2~ M
4control circuit Q
2~ Q
4micro machine M is responded to single phase ac
1control circuit Q
1identical, four rail draw curtain transmission mechanisms 6,7 respond to micro machine M by four single phase acs
1, M
2, M
3, M
44,5 axles all draw four road stage curtain 8,9 opening and closing respectively through transmission case worm and gear deceleration transmission four rail Timing Belt, wireless remote control emitter 2 button S
1control first road curtain 8 to pull open, button S
2control curtain 8 drawing of first road, button S
3, S
5control second, the 3rd road curtain pull open, button S
4, S
6control this twice curtain drawing respectively, button S
7control extreme trace curtain 9 to pull open, button S
8control the drawing of extreme trace curtain 9, A channel is through resistance R
7meet triode VT
5and bistable state memory self-locking relay J
5, normally-closed contact J
5-1connect acousto-optic controlled circuit modular power source 1 end, normally opened contact J
5-2meet wireless remote controlled receiver 3 power end Vcc, tool arm contact connects sun-generated electric power 10, button S
9control to switch controlled by sound and light and wireless remote control pattern.
Solar cell E
2daylight supplies stage curtain folding, simultaneously to battery E
3charging, night is by battery E
3power supply.Window voltage comparable chip IC
a, Ic
boutput level is through triode VT
10relay J is driven to control under-voltage, the overvoltage of charging, protection battery E
3normal operation.
Control that sun-generated electric power is under-voltage, at battery E
3when voltage is lower than window voltage comparable chip ICa reference voltage, relay J adhesive, contact J
-1connect battery E
3charging, as battery E
3voltage is sufficient, and overvoltage control voltage is higher than window voltage comparable chip IC
bduring reference voltage, relay J releasing contact J
-1, cut off solar cell E
2to battery E
3charging.Stage curtain folding power consumption reduces battery E
3voltage, sun-generated electric power recovers charging.Switch S
11control acousto-optic, wireless remote controlled receiver power supply, switch S
12control bridge-type inverter input power.
Relay J two ends diode VD in parallel
7suppress backward voltage.Voltage-stabiliser tube VD
6and resistance R
13, electric capacity C
5voltage stabilizing ensures that under-voltage, overvoltage accurately controls.Window voltage comparable chip IC selects LM358 double operational.
Four rail draw curtain drive mechanisms (be example by one act, all the other are identical), guide rail 6a, transmission case 6b, Timing Belt 6c, hanging wheel 6d, traction crane 6e, hook support 6f, single phase ac induction micro machine 4,5, stage curtain 8,9.
Wireless remote control emitter coding chip IC
1select TM701, emitting module A
1hS101, battery Eq powers, receiving unit A
2hS201, coding chip IC
2tM702, voltage regulator chip IC
3three end 78 series, wireless remote control carrier frequency 433MHz, receives/sends out built-in aerial T
1, T
2, maximum of control distance about 100m.
Relay J
5zS01 bistable state is selected to remember self-locking type.Switch light-operated with wireless remote control power supply, change two kinds of control models, triode VT
1, VT
2and relay J
1, J
2light-operated multiplexing with wireless remote control, save components and parts, reduce costs.
Near acousto-optic sensor installing stage, performance starts along with plot culmination sound equipment and strong illumination, stroke timer is pulled open in the control of acousto-optic sensor output signal, connect the transmission of single phase ac induction micro machine forward, automatic control is drawn and is changed curtain, when items on the program terminate the sound low and dim, light-sensitive device dull thread irradiates, sound sensing no signal exports, the reverse transmission of curtain drawing stroke Timer Controlling single phase ac induction micro machine, curtain is closed up in automatic control, pulls open and closes up according to performing content setting.Also can be connected with multi-media central control system, Programmed control.
Stage curtain selects pleuche, georgette velvet, numb suede, silk floss piece goods, Fu Chunfang etc., and curtain size looks the design of stage size, and thick material weight is large, and require that transmission traction heavy burden ability is strong, rotational noise is low.Transmission mechanism worm and gear of the present invention slows down, and driving torque is large, precision is high, can meet instructions for use.
Two roads, three road curtain wireless remote control operations, can pull open or close up in shunting, for solo, sing, or drama, open and close in opera fragment and change stage property and setting, four road curtains can be used as stage background or wing flats, play strengthen the sense of spectators' visual stereoscopic to stage both sides aesthetic design, flexible and convenient to use, abundant performance increases enjoyment, promotes entertainment effect.
Single phase ac induction micro machine driving torque is large, and can draw and pull thick and heavy cloth stage curtain, folding is steady, and it is quiet that Timing Belt and meshed transmission gear draw curtain.Sun-generated electric power once drops into Long-Time Service, does not have electricity charge consumption, facilitates park, square mobile stage literature and art amusement performance.
Claims (6)
1. a solar energy acousto-optic controlled in wireless single-phase micro machine stage curtain drawing machine, is characterized in that: comprise sun-generated electric power, bridge-type inverter, four road stage curtains, four single phase ac induction micro machine M
1, M
2, M
3, M
4, controlled by sound and light module, wireless remote control emitter and receiver assembly, four rail draw curtain transmission mechanisms, wherein, controlled by sound and light module is by sound, optical sensor, preamplifier, shaping phase inverter, curtain pulls open stroke timer, curtain drawing stroke timer forms, wireless remote control emitter and receiver assembly are by A, B, C, D, E, F, G, H, I nine channel pulse is encoded, decoding, carrier frequency pulse amplitude modulation is launched, receive, interlocking controls, controlled by sound and light module sound, optical sensor connects curtain pull open stroke timer through a preamplifier shaping phase inverter of connecting, curtain pulls open stroke timer and exports through resistance R
2meet triode VT
1and relay J
1, controlled by sound and light module acousto-optic sensor connects curtain drawing stroke timer through preamplifier two shaping phase inverters of connecting, and curtain drawing stroke timer exports through resistance R
1meet triode VT
2and relay J
2, wireless remote controlled receiver decoding exports channel B through resistance R
3meet triode VT
1and relay J
1, C-channel is through resistance R
4meet triode VT
2and relay J
2, H passage is through resistance R
5meet triode VT
3and relay J
3, I passage is through resistance R
6meet triode VT
4and relay J
4, equally, passage D, E and F, G connect corresponding triode and relay through resistance, single phase ac induction micro machine M
1control circuit control coil L
1by relay contact J
1-1, J
1-2with J
2-1, J
2-2commutation intersection connects sun-generated electric power bridge-type inverter output, magnetizing coil L
2through electric capacity C
2phase shift connects sun-generated electric power bridge-type inverter output, single phase ac induction micro machine M
2~ M
4control circuit and single phase ac respond to micro machine M
1control circuit is identical, and four rail draw curtain transmission mechanisms respond to micro machine M by four single phase acs
1, M
2, M
3, M
4axle all draws four road stage curtain opening and closing, wireless remote control emitter button S respectively through transmission case worm and gear deceleration transmission four rail Timing Belt
1control first road curtain to pull open, button S
2control the curtain drawing of first road, button S
3, S
5control second, the 3rd road curtain pull open, button S
4, S
6control this twice curtain drawing respectively, button S
7control extreme trace curtain to pull open, button S
8control the drawing of extreme trace curtain, A channel is through resistance R
7meet triode VT
5and bistable state memory self-locking relay J
5, often draw contact J
5-1connect acousto-optic controlled circuit modular power source end, normally opened contact J
5-2connect wireless remote controlled receiver power end, tool arm contact connects sun-generated electric power, button S
9control to switch controlled by sound and light and wireless remote control.
2. solar energy acousto-optic controlled in wireless according to claim 1 single-phase micro machine stage curtain drawing machine, is characterized in that: wireless remote control emitter is by coding chip IC
1pulse code A, B, C, D, E, F, G, H, I nine paths, by nine button S
1~ S
9switch control rule, through wireless transmission assembly A
1strength, modulation, antenna T
1launch telecommand, light emitting diode VD
1remote control indicates.
3. solar energy acousto-optic controlled in wireless according to claim 1 single-phase micro machine stage curtain drawing machine, is characterized in that: wireless receiver is by antenna T
2, radio frequency reception assembly A
2receive remote control command signal amplification, demodulation, export access coding chip IC
2, pulse decoding A, B, C, D, E, F, G, H, I nine paths, interlocking controls, and amplifies respectively and drives relay, control single phase ac induction machine M through triode
1, M
2, M
3, M
4positive and negative rotation traction four road stage curtain opening and closing, A channel switches controlled by sound and light and wireless remote control pattern.
4. solar energy acousto-optic controlled in wireless according to claim 1 single-phase micro machine stage curtain drawing machine, is characterized in that: sun-generated electric power is by photovoltaic battery panel E
2export through blocking diode VD
2, relay J contact J
-1meet battery E
3, controlled by sound and light module, wireless remote controlled receiver power end, bridge-type inverter input, battery E
3cross pressure-controlled sampling and meet potentiometer RP
2, adjustable termination window voltage comparable chip ICa positive input terminal, under-voltage control sampling meets potentiometer RP
1, adjustable termination window voltage comparable chip IC
bnegative input end, window voltage comparable chip ICa negative input end and window voltage comparable chip IC
bpositive input terminal is through resistance R
14, R
15divide crimping voltage-stabiliser tube VD
6voltage makes reference, and window voltage compares output through triode contact relay J, battery E
3serial connection quick acting fuse F, and take over control reversal connection diode VD
7.
5. solar energy acousto-optic controlled in wireless according to claim 1 single-phase micro machine stage curtain drawing machine, is characterized in that: bridge-type inverter is by insulated gate power triode VT
6, VT
7, VT
8, VT
9composition PWM pulse width modulated inverter, four pipe grids connect PWM controller signal voltage respectively, and collector and emitter fly-wheel diode in parallel suppresses transformer to produce backward voltage, VT
6emitter stage series connection VT
7colelctor electrode connection transformer T primary inductance TL
1one end, VT
8emitter stage series connection VT
9colelctor electrode connection transformer primary inductance TL
1the other end, sun-generated electric power positive pole meets VT
6, VT
8colelctor electrode, sun-generated electric power negative pole meets VT
7, VT
9emitter stage, transformer secondary output inductance TL
2as bridge-type inverter output, single phase ac induction micro machine is through relay contact J
1-1, J
1-2with J
2-1, J
2-2interconnection commutates, and transformer PL penetrates load pickup current signal feedback and connects PWM controller pulsewidth modulation.
6. solar energy acousto-optic controlled in wireless according to claim 1 single-phase micro machine stage curtain drawing machine, it is characterized in that: four rail draw curtain transmission mechanisms connect transmission case respectively by four guide rail two ends, guide rail interior is by Timing Belt closed engagement two ends transmission case gear, Timing Belt engages two the traction cranes in left and right respectively, two, left and right traction crane inserts two groups of hanging wheels subsequently, hook support is put respectively outside transmission case, the transmission case of four guide rail one end is socketed single phase ac by worm shaft and responds to micro-motor, worm engaging worm gear speed reducing transmission, worm gear is coupling transmission case gear, four curtain top, road hooks are hooked on four traction cranes respectively, four road curtain curtain end hooks are hooked in four hook support respectively, all the other hooks of four road curtains are hooked on four groups of hanging wheels respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410283603.7A CN105289014B (en) | 2014-06-13 | 2014-06-13 | The single-phase micro machine stage curtain drawing machine of solar energy acousto-optic controlled in wireless |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410283603.7A CN105289014B (en) | 2014-06-13 | 2014-06-13 | The single-phase micro machine stage curtain drawing machine of solar energy acousto-optic controlled in wireless |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105289014A true CN105289014A (en) | 2016-02-03 |
| CN105289014B CN105289014B (en) | 2018-01-05 |
Family
ID=55187248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410283603.7A Active CN105289014B (en) | 2014-06-13 | 2014-06-13 | The single-phase micro machine stage curtain drawing machine of solar energy acousto-optic controlled in wireless |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105289014B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106168362A (en) * | 2016-06-28 | 2016-11-30 | 上海衡亮电子科技有限公司 | LED projector lamp based on DMX512 communication protocol and electronic curtain drawing mechanism control system |
| CN111084997A (en) * | 2019-11-28 | 2020-05-01 | 重庆汇锦工程技术(集团)有限公司 | Big data visualization platform |
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| CN202677605U (en) * | 2012-07-18 | 2013-01-16 | 北京京东方光电科技有限公司 | Draw curtain and display device |
| CN103875486A (en) * | 2014-03-11 | 2014-06-25 | 北京华农农业工程设计咨询有限公司 | Draw curtain buffer device and draw curtain system |
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| CN2077323U (en) * | 1990-10-09 | 1991-05-22 | 天津舞台科学技术研究所 | Microcomputerized controller for stage suspension rod |
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| CN111084997A (en) * | 2019-11-28 | 2020-05-01 | 重庆汇锦工程技术(集团)有限公司 | Big data visualization platform |
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| Publication number | Publication date |
|---|---|
| CN105289014B (en) | 2018-01-05 |
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