CN203874467U - Solar wireless remote control acousto-optical sensing stage curtain-drawing machine with three-phase motors - Google Patents
Solar wireless remote control acousto-optical sensing stage curtain-drawing machine with three-phase motors Download PDFInfo
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- CN203874467U CN203874467U CN201420339809.2U CN201420339809U CN203874467U CN 203874467 U CN203874467 U CN 203874467U CN 201420339809 U CN201420339809 U CN 201420339809U CN 203874467 U CN203874467 U CN 203874467U
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- curtain
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Abstract
The utility model relates to the technical field of electronics, in particular to a solar wireless remote control acousto-optical sensing stage curtain-drawing machine with three-phase motors. The solar wireless remote control acousto-optical sensing stage curtain-drawing machine comprises a solar power supply, a three-phase inverter, four stage curtains, four three-phase alternating current induction micromotors M1, M2, M3 and M4, an acousto-optical control module, a wireless remote control transmitter and receiver module and a four-track curtain-drawing transmission mechanism. The three-phase alternating current induction micromotors are large in driving torque and high in load-bearing capability and pull the large stage curtains, and the solar power supply is put into use in one time and used for a long term, is free of electric consumption and facilitates garden and square stage art and entertainment performances. When dramas start, light becomes strong and sounds go off, the three-phase alternating current induction micromotors perform forward direction transmission due to acousto-optical sensing, the curtains are automatically pulled open; when the performances are finished, the sounds fall back and light is dim, no acousto-optical sensing signal is available, the three-phase alternating current induction micromotors perform reverse transmission, the curtains are automatically closed; the curtains are pulled open or closed according to performance contents through wireless remote control, and the solar wireless remote control acousto-optical sensing stage curtain-drawing machine is flexible and convenient to use and improves culture and entertainment performance effect. The solar wireless remote control acousto-optical sensing stage curtain-drawing machine is suitable for stage performance curtain control.
Description
Technical field
The utility model relates to electronic technology field, specifically a kind of solar wireless remote-controlled acousto-optic sensing three phase electric machine stage curtain drawing machine.
Background technology
In park, square mobile stage literature and art amusement performance, often power supply is laid inconvenient.Curtain is the main curtain of stage, starts and finishes for performing, and hand-guided is wasted time and energy, and is not suitable with modern amusement performance requirement.Acousto-optic sensing amusement performance strong illumination and strong sound equipment have gathered automatically to be controlled and pulls open curtain opener, and items on the program finish dim light sound equipment and fall control automatically after rise and draw and change curtain opener, reach performing effect.But, not all performance all needs controlled by sound and light, for example, performance solo, solo, performance need be by stage two road curtains, three road curtain replacings or folding, lifting, obviously, controlled by sound and light stage curtain function limitation, does not also meet performance requirement, wireless remote control stage curtain can be by the control of performance plot, and both are combined with lifting performing effect.
Summary of the invention
The purpose of this utility model is to provide mobile stage performance, controls the solar wireless remote-controlled acousto-optic sensing of the one three phase electric machine stage curtain drawing machine of curtain.
The utility model technical solution: comprise sun-generated electric power, three-phase inverter, four road stage curtains, four three-phase alternating current 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 composition, wireless remote control emitter and receiver assembly are by A, B, C, D, E, F, G, H, I nine channel pulse codings, decoding, carrier frequency pulse amplitude modulation transmitting, receive, interlocking is controlled, controlled by sound and light module sound, optical sensor connects curtain through a shaping phase inverter of preamplifier series connection and pulls open stroke timer, 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 two shaping phase inverters of preamplifier series connection, and curtain drawing stroke timer is exported through resistance R
1meet triode VT
2and relay J
2, wireless remote controlled receiver decoding B passage is 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, same, passage D, E and F, G connect corresponding triode and relay through resistance, three-phase alternating current induction micro machine M
1control circuit is through current overload thermal protector FR, relay contact J
1-1with J
2-1meet A.C. contactor K
1contact K
1-1, K
1-2, K
1-3with K
2-1, K
2-2, K
2-3phase sequence intersection turns to reversible sun-generated electric power three-phase inverter output a, b, the c of connecing, three-phase alternating current induction micro machine M
2～M
4control circuit and three-phase alternating current induction micro machine M
1control circuit is identical, and four rail draw curtain transmission mechanisms are by four three-phase alternating current induction micro machine M
1, M
2, M
3, M
4axle all draws respectively four road stage curtain opening and closing, wireless remote control emitter button S through transmission case worm and gear deceleration transmission four rail Timing Belts
1control first road curtain and pull open, button S
2control the curtain drawing of first road, button S
3, S
5control second, San road curtain pull open, button S
4, S
6control respectively this twice curtain drawing, button S
7control extreme trace curtain and 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 and 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, through wireless transmission assembly A
1strength, modulation, antenna T
1transmitting telecommand, light emitting diode VD
1remote control instruction;
Wireless receiver is by antenna T
2, radio frequency reception assembly A
2receive remote control command signal amplification, demodulation, output access coding chip IC
2, pulse decoding A, B, C, D, E, F, G, H, I nine paths, interlocking is controlled, and amplifies and drives relay respectively through triode, controls three-phase alternating current induction micro machine M
1, M
2, M
3, M
4four road stage curtain opening and closing are drawn in positive and negative rotation, and A channel switches controlled by sound and light and wireless remote control pattern;
Sun-generated electric power is by photovoltaic battery panel E
2output is 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, three-phase 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 is made reference, and window voltage is relatively exported through triode and connect relay J, and battery E3 is connected in series quick fuse F, and takes over control reversal connection diode VD
3;
Three-phase inverter is by insulated gate power triode VT
6, VT
7, VT
8, VT
9, VT
10, VT
11composition PWM pulsewidth modulation inversion, six pipe grids connect respectively PWM controller signals voltage, and collector and emitter fly-wheel diode in parallel suppresses transformer and produces backward voltage, VT
6emitter stage series connection VT
9colelctor electrode meets transformer T primary inductance TL
1, VT
7emitter stage series connection VT
10colelctor electrode meets primary inductance TL
2, VT
9emitter stage series connection VT
11colelctor electrode meets transformer T primary inductance TL
3, sun-generated electric power positive pole meets VT
6, VT
7, VT
8colelctor electrode, sun-generated electric power negative pole meets VT
9, VT
10, VT
11emitter stage, transformer secondary output inductance TL
1 ', TL
2 ', TL
3 'as three-phase inverter output a, b, c, relay contact J
1-1, J
1-2a.C. contactor K connects respectively
1, K
2access center line N, phase line, three-phase induction micro machine M
1control circuit is through current overload thermal protector FR, ac contactor contact K
1-1, K
1-2, K
1-3with K
2-1, K
2-2, K
2-3be connected into the reversible commutation of phase sequence, three-phase alternating current induction micro machine M
2～M
4control circuit and three-phase induction micro machine M
1control circuit is identical, through fuse F
1, F
2, F
3connect three-phase inverter output, transformer PL penetrates phase line and picks up load current signal feedback and connect the pulsewidth modulation of PWM controller;
Four rail draw curtain transmission mechanisms connect respectively transmission case by four guide rail two ends, guide rail inside is by the closed engagement of Timing Belt two ends transmission case gear, Timing Belt engages respectively two the traction cranes in left and right, two of left and right traction crane is inserted two groups of hanging wheels subsequently, hook support is put respectively in transmission case outside, the transmission case of four guide rail one end is by worm shaft socket three-phase alternating current induction micro-motor, worm engaging worm gear speed reducing transmission, the worm gear transmission case gear that is coupling, four curtain top, road hooks are hooked in respectively on four traction cranes, four road curtain end hooks are hooked in respectively in four hook support, all the other hooks of four road curtains are hooked in respectively on four groups of hanging wheels.
The utility model produces good effect: sun-generated electric power is without laying electric network source, once drop into long-term use, there is no electricity charge consumption, facilitate park, square mobile stage literature and art amusement performance, three-phase alternating current induction micro machine driving torque is large, the strong folding of heavy burden ability is steady, traction pulls the large-scale stage curtain of thick and heavy cloth, Timing Belt and meshed transmission gear traction curtain are quiet, set accurately and control by performance plot, acousto-optic sensing is controlled folding curtain opener automatically, pull open or drawing stage two road curtains according to performance content wireless remote control, three road curtains, flexible and convenient to use, abundant performance increases enjoyment, promote entertainment effect, give the relaxed and joyful happiness of spectators.Switch light-operated and wireless remote control power supply change control model, components and parts are multiplexing, save cost.
Brief description of the drawings
Fig. 1 technical solutions of the utility model schematic circuit
Fig. 2 tetra-rail three-phase alternating current induction micro machine control circuits
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 diagrames
Detailed description of the invention
With reference to Fig. 1,2,3,4,5,6, the utility model detailed description of the invention and embodiment: comprise sun-generated electric power 10, three-phase inverter 16, four road stage curtains 8,9, four three-phase alternating current 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 assemblies, 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 assemblies are by A, B, C, D, E, F, G, H, I nine channel pulse codings, decoding, carrier frequency pulse modulate emission, receive, interlocking is controlled, controlled by sound and light module 1 is by sound, optical sensor 11 connects curtain and pulls open stroke timer 15 through the 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 the shaping phase inverters 13 of connecting, and curtain drawing stroke timer 14 is exported through resistance R
1meet triode VT
2and relay J
2, wireless remote controlled receiver 3 decoding B passages are 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, same, passage D, E and F, G connect corresponding triode and relay through resistance, three-phase alternating current induction micro machine M
1control circuit Q
1through current overload thermal protector FR, relay contact J
1-1with J
2-1meet A.C. contactor K
1contact K
1-1, K
1-2, K
1-3with K
2-1, K
2-2, K
2-3phase sequence intersection turns to reversible sun-generated electric power 10 three-phase inverter 16 output a, b, the c of connecing, three-phase alternating current induction micro machine M
2～M
4control circuit Q
2～Q
4with three-phase alternating current induction micro machine M
1control circuit Q
1identical, four rail draw curtain transmission mechanisms 6,7 are by four three-phase alternating current induction micro machine M
1, M
2, M
3, M
44,5 axles all draw respectively four road stage curtain 8,9 opening and closing, wireless remote control emitter 2 button S through transmission case worm and gear deceleration transmission four rail Timing Belts
1control first road curtain 8 and pull open, button S
2control curtain 8 drawings of first road, button S
3, S
5control second, San road curtain pull open, button S
4, S
6control respectively this twice curtain drawing, button S
7control extreme trace curtain 9 and pull open, button S
8control 9 drawings of extreme trace curtain, 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 the power end V of wireless remote controlled receiver 3
cc, tool arm contact connects sun-generated electric power 10, button S
9control and switch controlled by sound and light and wireless remote control pattern.
Solar cell E
2daylight is for folding stage curtain, simultaneously to battery E
3charging, night is by battery E
3power supply.Window voltage comparable chip ICa, Ic
boutput level is through triode VT
12drive under-voltage, the overvoltage of relay J control charging, protection battery E
3normal operation.
Control that sun-generated electric power is under-voltage, at battery E
3voltage is during lower than window voltage comparable chip ICa reference voltage, relay J adhesive, contact J
-1connect battery E
3charging, as battery E
3voltage abundance, crosses pressure-controlled voltage higher than window voltage comparable chip IC
bwhen reference voltage, relay J releasing contact J
-1, cut off solar cell E
2to battery E
3charging.Folding stage curtain power consumption reduces battery E
3voltage, sun-generated electric power is recovered charging.Switch S
11control acousto-optic sensing, wireless receiver power supply, switch S
12control three-phase inverter input power.
Relay J two ends diode VD in parallel
7suppress backward voltage.Voltage-stabiliser tube VD
6and resistance R
13, capacitor C
4voltage stabilizing guarantee is under-voltage, overvoltage is accurately controlled.Window voltage comparable chip IC selects LM358 double operational.
Four rail draw curtain drive mechanisms (by one act be example, all the other are identical), guide rail 6a, transmission case 6b, Timing Belt 6c, hanging wheel 6d, traction crane 6e, hook support 6f, three-phase alternating current induction micro machine 4,5, stage curtain 8,9.
Wireless remote control emitter coding chip IC
1select TM701, emitting module A
1hS101, battery Eq power supply, 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 100m left and right.
Relay J
5select ZS01 bistable state memory self-locking type.Switch light-operated and 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 story of a play or opera sound equipment and strong illumination, acousto-optic sensor control signal is pulled open stroke timer, connect the transmission of three-phase alternating current induction micro machine forward, automatically control to draw and change curtain, items on the program finish the low and light of the sound when dimmed, light-sensitive device dull thread irradiates, the output of sound sensing no signal, the reverse transmission of curtain drawing stroke Timer Controlling three-phase alternating current induction micro machine, automatically control and close up curtain, pull open and close up according to performance content setting.Also can be connected with multi-media central control system sequencing control.
Stage curtain is selected pleuche, georgette velvet, numb suede, silk floss piece goods, Fu Chunfang etc., and curtain size is looked the design of stage size, and thick material weight is large, requires transmission traction heavy burden ability strong, and rotational noise is low.The utility model transmission mechanism worm and gear 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 dancing, solo, performance, or in drama, opera fragment, open and close and change stage property and setting, four road curtains can be used as stage background or wing flats, and to stage both sides aesthetic feeling, design is played and strengthened spectators' vision third dimension, flexible and convenient to use, abundant performance increases enjoyment, promotes entertainment effect.
Three-phase alternating current induction micro machine driving torque is large, and the strong folding of heavy burden ability is steady, and traction pulls the large-scale stage curtain of thick and heavy cloth, and Timing Belt and meshed transmission gear traction curtain are quiet.Sun-generated electric power, without laying electric network source, once drops into long-term use, there is no electricity charge consumption, facilitates park, square mobile stage literature and art amusement performance.
Claims (6)
1. a solar wireless remote-controlled acousto-optic sensing three phase electric machine stage curtain drawing machine, is characterized in that: comprise sun-generated electric power, three-phase inverter, four road stage curtains, four three-phase alternating current 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 composition, wireless remote control emitter and receiver assembly are by A, B, C, D, E, F, G, H, I nine channel pulse codings, decoding, carrier frequency pulse amplitude modulation transmitting, receive, interlocking is controlled, controlled by sound and light module sound, optical sensor connects curtain through a shaping phase inverter of preamplifier series connection and pulls open stroke timer, 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 two shaping phase inverters of preamplifier series connection, and curtain drawing stroke timer is exported through resistance R
1meet triode VT
2and relay J
2, wireless remote controlled receiver decoding B passage is 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, same, passage D, E and F, G connect corresponding triode and relay through resistance, three-phase alternating current induction micro machine M
1control circuit is through current overload thermal protector FR, relay contact J
1-1with J
2-1meet A.C. contactor K
1contact K
1-1, K
1-2, K
1-3with K
2-1, K
2-2, K
2-3phase sequence intersection turns to reversible sun-generated electric power three-phase inverter output a, b, the c of connecing, three-phase alternating current induction micro machine M
2～M
4control circuit and three-phase alternating current induction micro machine M
1control circuit is identical, and four rail draw curtain transmission mechanisms are by four three-phase alternating current induction micro machine M
1, M
2, M
3, M
4axle all draws respectively four road stage curtain opening and closing, wireless remote control emitter button S through transmission case worm and gear deceleration transmission four rail Timing Belts
1control first road curtain and pull open, button S
2control the curtain drawing of first road, button S
3, S
5control second, San road curtain pull open, button S
4, S
6control respectively this twice curtain drawing, button S
7control extreme trace curtain and 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 and switch controlled by sound and light and wireless remote control.
2. solar wireless remote-controlled acousto-optic sensing three phase electric machine stage curtain drawing machine according to claim 1, 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, through wireless transmission assembly A
1strength, modulation, antenna T
1transmitting telecommand, light emitting diode VD
1remote control instruction.
3. solar energy acousto-optic sensing wireless remote control three phase electric machine stage curtain drawing machine according to claim 1, is characterized in that: wireless receiver is by antenna T
2, radio frequency reception assembly A
2receive remote control command signal amplification, demodulation, output access coding chip IC
2, pulse decoding A, B, C, D, E, F, G, H, I nine paths, interlocking is controlled, and amplifies and drives relay respectively through triode, controls three phase alternating current motor M
1, M
2, M
3, M
4four road stage curtain opening and closing are drawn in positive and negative rotation, and A channel switches controlled by sound and light and wireless remote control pattern.
4. solar wireless remote-controlled acousto-optic sensing three phase electric machine stage curtain drawing machine according to claim 1, is characterized in that: sun-generated electric power is by photovoltaic battery panel E
2output is 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, three-phase 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 is made reference, and window voltage is relatively exported through triode and connect relay J, battery E
3be connected in series quick fuse F, and take over control reversal connection diode VD
3.
5. solar wireless remote-controlled acousto-optic sensing three phase electric machine stage curtain drawing machine according to claim 1, is characterized in that: three-phase inverter is by insulated gate power triode VT
6, VT
7, VT
8, VT
9, VT
10, VT
11composition PWM pulsewidth modulation inversion, six pipe grids connect respectively PWM controller signals voltage, and collector and emitter fly-wheel diode in parallel suppresses transformer and produces backward voltage, VT
6emitter stage series connection VT
9colelctor electrode meets transformer T primary inductance TL
1, VT
7emitter stage series connection VT
10colelctor electrode meets primary inductance TL
2, VT
9emitter stage series connection VT
11colelctor electrode meets transformer T primary inductance TL
3, sun-generated electric power positive pole meets VT
6, VT
7, VT
8colelctor electrode, sun-generated electric power negative pole meets VT
9, VT
10, VT
11emitter stage, transformer secondary output inductance TL
1 ', TL
2 ', TL
3 'as three-phase inverter output a, b, c, relay contact J
1-1, J
1-2a.C. contactor K connects respectively
1, K
2access center line N, phase line, three-phase induction micro machine M
1control circuit is through current overload thermal protector FR, ac contactor contact K
1-1, K
1-2, K
1-3with K
2-1, K
2-2, K
2-3be connected into the reversible commutation of phase sequence, three-phase alternating current induction micro machine M
2～M
4control circuit and three-phase induction micro machine M
1control circuit is identical, through fuse F
1, F
2, F
3connect three-phase inverter output, transformer PL penetrates phase line and picks up load current signal feedback and connect the pulsewidth modulation of PWM controller.
6. solar wireless remote-controlled acousto-optic sensing three phase electric machine stage curtain drawing machine according to claim 1, it is characterized in that: four rail draw curtain transmission mechanisms connect respectively transmission case by four guide rail two ends, guide rail inside is by the closed engagement of Timing Belt two ends transmission case gear, Timing Belt engages respectively two the traction cranes in left and right, two of left and right traction crane is inserted two groups of hanging wheels subsequently, hook support is put respectively in transmission case outside, the transmission case of four guide rail one end is by worm shaft socket three-phase alternating current induction micro-motor, worm engaging worm gear speed reducing transmission, the worm gear transmission case gear that is coupling, four curtain top, road hooks are hooked in respectively on four traction cranes, four road curtain end hooks are hooked in respectively in four hook support, all the other hooks of four road curtains are hooked in respectively on four groups of hanging wheels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420339809.2U CN203874467U (en) | 2014-06-13 | 2014-06-13 | Solar wireless remote control acousto-optical sensing stage curtain-drawing machine with three-phase motors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420339809.2U CN203874467U (en) | 2014-06-13 | 2014-06-13 | Solar wireless remote control acousto-optical sensing stage curtain-drawing machine with three-phase motors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203874467U true CN203874467U (en) | 2014-10-15 |
Family
ID=51675013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420339809.2U Expired - Fee Related CN203874467U (en) | 2014-06-13 | 2014-06-13 | Solar wireless remote control acousto-optical sensing stage curtain-drawing machine with three-phase motors |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203874467U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104645643A (en) * | 2014-06-13 | 2015-05-27 | 阮树成 | Solar wireless remote control acousto-optic induction three-phase motor stage curtain drawing machine |
| CN107560115A (en) * | 2016-06-30 | 2018-01-09 | 浙江大丰实业股份有限公司 | Stage background brightness adaptive control system |
| CN107561961A (en) * | 2016-06-30 | 2018-01-09 | 浙江大丰实业股份有限公司 | Stage background brightness self-adaptation control method |
-
2014
- 2014-06-13 CN CN201420339809.2U patent/CN203874467U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104645643A (en) * | 2014-06-13 | 2015-05-27 | 阮树成 | Solar wireless remote control acousto-optic induction three-phase motor stage curtain drawing machine |
| CN107560115A (en) * | 2016-06-30 | 2018-01-09 | 浙江大丰实业股份有限公司 | Stage background brightness adaptive control system |
| CN107561961A (en) * | 2016-06-30 | 2018-01-09 | 浙江大丰实业股份有限公司 | Stage background brightness self-adaptation control method |
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