CN2231470Y

CN2231470Y - Remote control light regulating device

Info

Publication number: CN2231470Y
Application number: CN 95207676
Authority: CN
Inventors: 贾怿
Original assignee: BEIHAICHEN ART Co BEIJING
Current assignee: BEIHAICHEN ART Co BEIJING
Priority date: 1995-04-08
Filing date: 1995-04-08
Publication date: 1996-07-17
Anticipated expiration: 2005-04-08

Abstract

The utility model relates to a remote control light regulating device, which is composed of a main control station circuit, a main control power supply, a modulation transmission circuit, a controlled unit circuit, a controlled power source, a synchronous circuit, and a controlled unit signal receiving circuit. The controlled unit circuit, the main control power supply, and the modulation transmission circuit share an AC transmission cable. The utility model is characterized in that controlled units and lamps are combined into one body; control signals are delivered to the controlled units of the lamps by strong electric cables; the remote control light regulating device can carry out remote operation at an orchestra pit or an auditorium site, etc. in front of a stage. The utility model can control the intensity variation of the lights and can observe a performing panorama simultaneously.

Description

The remote control light regulating device

The utility model relates to a kind of remote control light regulating device, and this device is to control the device that light of stage opens and closes by ac cable carrier wave or radio wave transmissions computer serial signal.

The present light of stage control device that generally adopts, all be to concentrate the mode that line traffic control is arranged, controller wherein is to connect by multiple conducting wires to controlled cell, and controlled cell is connected with light fixture by the forceful electric power cable, send out analog signal by control desk, control controlled cell, thereby the variation that control light opens and closes.Concerning the performance unit of often flowing, unload in the process of platform at the dress platform, the cable that connects light fixture is more and mixed and disorderly, at present on the most stages of China, slave station is less, and the place of performer's behind-the-scene activities seldom and adopts Light Control Unit really will take a position of slave station, directly influence performer's activity, exist again the performer by cable trip, potential danger such as electric shock, fire.In addition, whole scenes that performance can not be watched in the position of light operator work influence the operation of light.

The purpose of this utility model is to propose a kind of improved remote control light regulating device, controlled cell and light fixture are integrated, control signal is sent into controlled cell on the light fixture with the forceful electric power cable, can arrive position straighforward operations such as orchestra before the stage or auditorium, the power of control light changes.

The purpose of this utility model is achieved in that a kind of remote control light regulating device, be made up of master station circuit, master control power supply and modulation transtation mission circuit, controlled cell circuit, controlled source and synchronous circuit, controlled cell signal receiving circuit, controlled cell circuit and master control power supply and modulation transtation mission circuit use same supply line; In the master station circuit, form microsystem by chip microprocessor and address latch and program storage, a plurality of potentiometers insert the input of analog to digital conversion circuit, its output is through address bus, control bus and data/address bus are connected with the microsystem signal, a plurality of command key are electrically connected with the input of interface circuit, the output P3.1 of chip microprocessor is electrically connected with the input of master control power supply and modulation transtation mission circuit, in master control power supply and modulation transtation mission circuit, oscillating circuit is arranged, frequency dividing circuit, the output of this oscillating circuit inserts the CP end of frequency dividing circuit, the output access transistor T6 base stage of frequency dividing circuit, its output is through the input of coupling transformer access transistor T5, and the resonance of T5 amplifies output through electric capacity, inductance coil is coupled on the ac cable; In the controlled cell circuit, form single-chip minimum system by chip microprocessor and address latch and program storage, the output P3.4 of chip microprocessor connects the base stage of transistor T 4 by resistance, the emitter of T4 connects photoelectrical coupler through resistance, the control utmost point of the output termination controllable silicon T7 of photoelectrical coupler; In controlled source and synchronous circuit, constitute synchronous signal circuit by transistor T 1, resistance and inverter, its output inserts chip microprocessor input P3.2; In the controlled cell signal receiving circuit, electric capacity of series connection in the primary coil, in secondary side, form resonant circuit by electric capacity, inductance coil, form signal acquisition circuit by coil, electric capacity, its output access transistor T2 base terminal, the T2 collector electrode connects transistor T 3 base terminals through electric capacity, detector diode D3, and the T3 collector electrode inserts the input P3.0 of chip microprocessor through inverter.The utility model is intended to by the key-input operation in the master station circuit.Constantly the electric potential signal of a plurality of potentiometers is input to chip microprocessor by D/A converting circuit, each controlled cell circuit all has own specific address number, the CPU of chip microprocessor delivers to modulation circuit to the associated luminance signal by serial ports P3.1 according to operator's intention, after carrier signal modulated, deliver on the 220V ac cable by electric capacity.After the controlled cell signal receiving circuit is received signal by electric capacity, amplify through T2, the D3 detection is delivered to P3.0 again after T3 amplifies.After receiving signal, the CPU of the chip microprocessor of controlled cell with home address relatively, when the both sides address is identical,, thereby reaches the purpose of the variation of control lamplight brightness promptly according to the angle of flow of semaphore request control controllable silicon T7.

Because the utility model is integrated controlled cell and light fixture, control signal sent into controlled cell on the light fixture by the forceful electric power cable, thereby has following advantage:

1, position straighforward operations such as orchestra that can be downstage or auditorium, the power of control light changes, and can observe the panorama of performance simultaneously.

2, because master station does not relate to forceful electric power power, reduced volume greatly.

3, because the forceful electric power cable is to concentrate to deliver on the light fixture, and do not have huge controlled cell to be placed on the slave station, therefore do not influence performer's activity.

The utility model is described in further detail below in conjunction with drawings and Examples.

Fig. 1, master station circuit electrical schematic diagram

Fig. 2, master control power supply and modulation transtation mission circuit

Fig. 3, controlled cell circuit theory diagrams

Fig. 4, controlled source and synchronous circuit figure

Fig. 5, controlled cell signal receiving circuit

Fig. 6, master station circuit and controlled cell connection diagram

Fig. 7, controlled cell structure chart

Fig. 8, master control power supply architecture figure

Referring to Fig. 1, in the master station circuit, form microsystem by MCS51 chip microprocessor Q18 (its model is 80C31) and address latch Q17 (its model is 74HC873) and program storage Q16 (its model is 27C64), eight potentiometer R20-R27 insert analog to digital conversion circuit Q19 (its model is AD0809) input, its output is through address bus AD, control bus CD and data/address bus DATABUS are connected with signal transmssion line with microsystem, 16 command key SW1-SW16, be electrically connected with the input of interface circuit Q15 (its model is 81C55), switch A2, resistance R 19, capacitor C 25 is formed reset circuit, and M3 is the 6M crystal oscillator.

Referring to Fig. 2, master control power supply and modulation transtation mission circuit, the 220V alternating current becomes direct current by noise filter NF and transformer TR, rectifier bridge Q10, to+12V, supplies with master station circuit and modulation transtation mission circuit through pressurizer Q12 voltage stabilizing to+5V by pressurizer Q11 voltage stabilizing again.Capacitor C 22, C19, C21, C18, C20 is a filter capacitor, Q14A-Q14C forms oscillating circuit by hex inverter, (the hex inverter model is 74LS04), also has resistance R 17 in this circuit, R18, capacitor C 16, C17, crystal oscillator M2, by counter Q13 (comprising Q13A, Q13B, model is 74LS74) the formation frequency dividing circuit, the output of described oscillating circuit inserts the CP end of frequency dividing circuit, the output access transistor T6 base stage of frequency dividing circuit, its output inserts the T5 input through coupling transformer, the resonance of T5 amplifies output through capacitor C 12, C13, inductance coil L1 is coupled to and exchanges on the transmission cable, the output P3.1 of chip microprocessor is electrically connected with the input Q14D of master control power supply and modulation transtation mission circuit, and modulation signal is anti-phase through Q14D, control Q13 clear terminal RD, when P3.1 was high potential, Q13 was cleared.Oscillator signal is sent into the Q13CP end.Behind Q13 four frequency divisions, send into the T6 base stage by resistance R 15, R16 dividing potential drop.Capacitor C 15, inductance coil L2 are the load of T6, deliver on the alternating current circuit after amplifying through T5 resonance, and when P3.1 was low level, Q13A, Q13B were count status, promptly exportable frequency of oscillation, thus reach keying frequency modulation purpose.

Referring to Fig. 3, in the controlled cell circuit, form minimum microprocessor system by chip microprocessor Q9 (its model is 80C31) and address latch Q8 (its model is 74HC373) and program storage Q7 (its model is 27C64), crystal oscillator M1, capacitor C 10, C11 are crystal oscillating circuit, capacitor C 9, switch A1, resistance R 14 are formed reset circuit, the output P3.4 of chip microprocessor Q9 connects the base stage of transistor T 4 by resistance R 13, the emitter of T4 meets photoelectrical coupler Q6 through resistance R 12, the control utmost point of the output termination controllable silicon T7 of photoelectrical coupler; Inverter Q5 (its model is 40106) receives serial signal, send into computer after the shaping, P3.2 receives the power supply zero cross signal as synchronizing signal, drives photoelectrical coupler Q6 by P3.4, by resistance R 10, R11, make controllable silicon T7 conducting, thereby light stage lighting LA.

Referring to Fig. 4, in controlled source and synchronous circuit, constitute synchronous signal circuit by resistance R 1, transistor T 1, resistance R 2 and inverter Q3, its output inserts chip microprocessor Q9 input P3.2; The 220V alternating current passes through capacitor C 1 step-down, rectifier bridge Q1 rectification, and diode D1 voltage stabilizing becomes square wave, takes out zero cross signal by R1, T1, R2, and after the Q3 shaping, sending into P3.2 is synchronizing signal.Become the 5V direct current as computer power supply by diode D2, capacitor C 2, C3, regulator block Q2 (its model is 7805) voltage stabilizing.

Referring to accompanying drawing 5, in the controlled cell signal receiving circuit, series capacitance C4 in the primary coil, in secondary side, form resonant circuit by capacitor C 5, inductance coil L3, form signal acquisition circuit, its output access transistor T2 base terminal by coil L4, capacitor C 6, the T2 collector electrode connects transistor T 3 base terminals through capacitor C 7, detector diode D3, and the T3 collector electrode inserts chip microprocessor Q9 input P3.0 through inverter Q4 and Q5.Signal is sent into T2 by C6 and is amplified, and R3, R4 are the T2 biasing resistor, and R5 is the T2 load resistance, signal after the amplification after straight, by being amplified, sent into P3.0 after the Q4 shaping by T3 again after the D3 detection C6 filtering, becomes serial data signal through C7, R6, R7 is the T3 biasing resistor, and R8 is the T3 load resistance.

Referring to accompanying drawing 6, light fixture 1 and controlled cell 2 separately are installed together, and three-phase alternating current cable 3 is electrically connected with it, and master station power supply 5 is electrically connected with three-phase alternating current cable 3 by single phase alternating current (A.C.) cable 4, and a plurality of potentiometers 6 and a plurality of button 8 are housed on the master station 7.

Referring to accompanying drawing 7, controllable silicon and radiator 10, system circuit board 11, power supply and signal receiving circuit 12 are installed in the housing 9 of controlled cell.

Referring to accompanying drawing 8, power supply and modulation transmitter card 14, noise filter 15 and power transformer 16 are installed in the master control power shell 13.

Because each controlled cell can be a computer system, thereby functional reliability is increased greatly, and volume is dwindled greatly, thereby can be directly installed on the light fixture, therefore, can reduce many intermediate links, therefore reduce cost, alleviate staff's burden.

Claims

1, a kind of remote control light regulating device, it is characterized in that, be made up of master station circuit, master control power supply and modulation transtation mission circuit, controlled cell circuit, controlled source and synchronous circuit, controlled cell signal receiving circuit, controlled cell circuit and master control power supply and modulation transtation mission circuit use same supply line; In the master station circuit, form microsystem by chip microprocessor (Q18) and address latch (Q17) and program storage (Q16), a plurality of potentiometers (R20-27) insert analog to digital conversion circuit (Q19) input, its output is through address bus, control bus and data/address bus are connected with the microsystem signal, a plurality of command key (SW1-SW16) are electrically connected with the input of interface circuit (Q15), the output P3.1 of chip microprocessor is electrically connected with the input Q14D of master control power supply and modulation transtation mission circuit, in master control power supply and modulation transtation mission circuit, Q14A-Q14C forms oscillating circuit by hex inverter, counter Q13 constitutes frequency dividing circuit, the output of this oscillating circuit inserts the CP end of frequency dividing circuit (Q13), the output access transistor T6 base stage of frequency dividing circuit, its output inserts the T5 input through coupling transformer, and the resonance of T5 amplifies output through electric capacity (C12, C13), inductance coil (L1) is coupled to and exchanges on the transmission cable; In the controlled cell circuit, form single-chip minimum system by chip microprocessor (Q9) and address latch (Q8) and program storage (Q7), the output P3.4 of chip microprocessor (Q9) connects the base stage of transistor T 4 by resistance (R13), the emitter of T4 connects photoelectrical coupler (Q6) through resistance (R12), the control utmost point of the output termination controllable silicon T7 of photoelectrical coupler; In controlled source and synchronous circuit, constitute synchronous signal circuit by resistance R 1, transistor T 1, resistance R 2 and inverter (Q3), its output inserts chip microprocessor (Q9) input P3.2; In the controlled cell signal receiving circuit, series capacitance in the primary coil (C4), in secondary side, form resonant circuit by electric capacity (C5), inductance coil (L3), form signal acquisition circuit by coil (L4), electric capacity (C6), its output access transistor T2 base terminal, the T2 collector electrode connects transistor T 3 base terminals through electric capacity (C7), detector diode (D3), and the T3 collector electrode reaches through inverter (Q4) and (Q5) inserts chip microprocessor (Q9) input P3.0.