CN207911091U

CN207911091U - Signal control device

Info

Publication number: CN207911091U
Application number: CN201721682507.5U
Authority: CN
Inventors: 孟泽
Original assignee: SHANGHAI EUCHIPS INDUSTRIAL Co Ltd
Current assignee: SHANGHAI EUCHIPS INDUSTRIAL Co Ltd
Priority date: 2017-12-06
Filing date: 2017-12-06
Publication date: 2018-09-25
Anticipated expiration: 2027-12-06

Abstract

The utility model discloses a kind of signal control devices, are related to lighting device field of circuit technology.The control device includes microcontroller, DC D/C voltages conversion module, overload and short-circuit detecting circuit, address setup module, triode push-pull circuit, metal-oxide-semiconductor driving circuit, 0 10V dim signals input module and DMX512 signal input modules.Described device supports the input of DMX512 signals and the input of 0 10V signals, solves the irrealizable effect of tradition light modulation institute, can meet the light variation effect of various stages, theater, and wiring is simple, easy to control, efficient.

Description

Signal control device

Technical field

The utility model is related to lighting device field of circuit technology more particularly to a kind of achievable DMX512 signals and 0- The signal control device of 10V signals input.

Background technology

Currently, traditional light regulating technology controllable silicon light modulation, only use can with common incandescent lamp and halogen lamp generally use Control silicon light modulation.Because it must be sine wave, because of it that incandescent lamp and halogen lamp, which are a pure resistance devices, it does not require input voltage Current waveform as voltage waveform, so having regardless of as long as voltage waveform deviates sine wave, changes input voltage Valid value can dim, the silicon-controlled sine wave exactly to alternating current is used to reach the mesh for changing its virtual value to cut 's.The silicon-controlled shape for destroying sine wave, to reduce power factor value, usual PF less than 0.5 and also the angle of flow it is smaller When power factor it is poorer light modulation to 1/4th when there was only 0.25.Equally, non-sinusoidal waveform increases harmonic constant.It is non-sinusoidal Waveform can generate on the line serious interference signal EMI, be easy in low-load it is unstable, must also add cascading water electric thus Resistance will at least consume 1-2 watts of power.It also will produce in the driving power of common controllable silicon light modulation circuit output to LED imaginary Less than the problem of, that is exactly the LC filters of input terminal that silicon-controlled generation oscillation, this concussion can be made for incandescent lamp, halogen lamp It is indifferent, because the thermal inertia of incandescent lamp makes human eye not see this oscillation at all.But for the driving power of LED It just will produce the flicker of noise and LED light.And for LED drive power, light modulation power also have limitation, Bu Nengshi Now synchronous, complicated signal light control, high-power dimming, control node are few, cannot be driven with the LED of each producer compatible well.

As the lamp light control systems such as digitizing technique and the widely available of computer technology, stage and studio hall are by tradition Simulation control be changed into it is digital control.Traditional brightness adjustment control cannot meet it is required, in order to solve each plant equipment Compatibility issue, theater technology association of U.S. USITT have formulated DMX512 consensus standards.Since the agreement is simple and practical, control Light variation effect convenient, that various complexity can be met.Current almost all of light and stage equipment factory commercial city branch The international standard held the agreement, make signal light control.

The RS485 communication technologys are based on when DMX512 signals dim：Use difference signal positive logic, logical one with line-to-line Voltage difference is+and (2~6) V indicates, and logical zero with the voltage difference of line-to-line is-and (2~6) V indicates.Interface signal level ratio RS- 232-C is reduced, is just hardly damaged the chip of interface circuit and the level is compatible with Transistor-Transistor Logic level, can facilitate and TTL circuits company It connects.The data maximum transmission rate of RS-485 is 10Mbps, transmission speed is fast.RS-485 interfaces are to use balance driver and difference The combining of point receiver, the enhancing of anti-common mode interference ability, i.e. noise immunity are good.The maximum communication distance of DMX512 signals is about For 1219m, facilitate far distance controlled.Fast response time, peak transfer rate 10Mbps, control the size extensively, can reach 128 or 256 nodes maximum can be supported to 400 nodes.

As energy conservation and environmental protection, low-carbon are paid attention to by more and more people, LED illumination has been a kind of trend, wherein light regulating technology It is generally had an optimistic view of as technology most promising in LED illumination Drive Control Technique.Light modulation is LED illumination actuation techniques The main trend of development.0-10V light regulating technologies, advantage is using simple, easy-to-connect, no compared with traditional brightness adjustment control The features such as there are poor compatibilities.Its is efficient, precision is high and good dimming effect, facilitate control, its control voltage 0-10V electricity Shading value that is safer in pressure range, not polluting power grid, light can be controlled according to different needs.

Utility model content

Technical problem to be solved in the utility model be how to provide a kind of input of support standard DMX512 signals and Simulate the input of 0-10V signals, the signal control device that control node is more, wiring is simple, easy to control.

In order to solve the above technical problems, technical solution adopted in the utility model is：A kind of signal control device, including Microcontroller, DC-DC voltage transformations module, overload and short-circuit detecting circuit, address setup module, triode push-pull circuit, metal-oxide-semiconductor Driving circuit, 0-10V dim signals input module and DMX512 signal input modules, the DC-DC voltage transformations module Output end needs the power input for the module powered to connect with the control device, for providing working power for it；Institute The output end for stating DMX512 signal input modules is connect with the signal input part of the microcontroller, for converting DMX512 signals The microcontroller is inputted for TTL signal；The input terminal of the output end and the microcontroller of the 0-10V dim signals input module Connection inputs the microcontroller for 0-10V analog signals to be converted to 0-5V analog signals；The overload and short-circuit detecting electricity The output end on road is connect with the signal input part of the microcontroller, for determining short circuit and overload whether occur in product use simultaneously Feedback signal is sent to the middle fracture of microcontroller；The signal input part of the addresses DMX512 setup module and the microcontroller Connection, for address of the product in control device to be arranged；The signal output end of the microcontroller recommends electricity through the triode Road is connect with the input terminal of the metal-oxide-semiconductor driving circuit.

Further technical solution is：The DC-DC voltage transformations module includes zener diode D5, the voltage stabilizing two The input terminal of the just extremely described DC-DC voltage transformations module of pole pipe D5, the cathode of the diode D5 are divided into three tunnels, the first via It being grounded through capacitance CD1, the second tunnel connect with 7 feet of voltage transformation chip U3, and third road is divided into after resistance R24 as two-way, the It is grounded all the way through resistance R28, the second tunnel is connect with 2 feet of voltage transformation chip U3, the 5 feet ground connection of the U3,6 feet of the U3 It being grounded through resistance R26, the 8 foot meridian capacitor C13 of the U3 connect with 1 foot of the U3, and 3 feet of the U3 are divided into two-way, and first Road is grounded after capacitance C12 and resistance R29 successively, and the second tunnel is grounded after capacitance C10；4 feet of the U3 are divided into two-way, the It being grounded all the way through resistance R28, the second tunnel is connect after resistance R27 with one end of inductance L2, and the other end of inductance L2 is divided into two-way, The first via is connect with 1 foot of the U3, and the second tunnel is grounded after diode D1, and one end ground connection of capacitance CD2, capacitance CD2's is another The node of one terminating resistor R27 and inductance L2, capacitance C11 is in parallel with capacitance CD2, the node of the inductance L2 and capacitance C11 with The input terminal of voltage transformation chip U4 connects, and capacitance CD3 and capacitance C4 are in parallel with the output end of voltage transformation chip U4, The output end of the voltage transformation chip U4 is the output end of the DC-DC voltage transformations module.

Further technical solution is：The microcontroller uses STM8S105K4T6C type microcontrollers.

Further technical solution is：The overload and detection circuit include resistance R12 and resistance R61, the electricity It is the signal input part of the overload and detection circuit after one end connection of resistance R12 and resistance R61, the resistance R12's is another One end is grounded；The other end of the resistance R61 is divided into two-way, and the first via is connect with the grid of field-effect tube Q5, the second tunnel and three The collector of pole pipe Q4 connects, the emitter ground connection of the triode Q4, and the source electrode of the field-effect tube Q5 is divided into three tunnels, and first Road is connect with the base stage of the triode Q4, and the second tunnel is grounded through resistance R56, and third road is connect with one end of resistance R13, resistance The other end of R13 is divided into two-way, and the first via is grounded through capacitance C9, and the second tunnel is the output end of the overload and detection circuit, institute The drain electrode for stating field-effect tube Q5 is the control signal of the overload and detection circuit.

Further technical solution is：The addresses DMX512 setup module include resistance R46-R55, resistance R30 with And the 1-10 feet ground connection of toggle switch SW, the toggle switch SW, 11 feet of the toggle switch SW are divided into two-way, first via warp Resistance R30 meets VCC, and the second tunnel is a terminals of described address setup module；12 feet of the toggle switch SW are divided into two Road, the first via meet VCC through resistance R46, and the second tunnel is a terminals of described address setup module；The toggle switch SW's 13 feet are divided into two-way, and the first via meets VCC through resistance R47, and the second tunnel is a terminals of described address setup module；Described group 14 feet of code switch SW are divided into two-way, and the first via meets VCC through resistance R48, and the second tunnel is that one of described address setup module connects Line end；15 feet of the toggle switch SW are divided into two-way, and the first via meets VCC through resistance R49, and the second tunnel is that mould is arranged in described address One terminals of block；16 feet of the toggle switch SW are divided into two-way, and the first via meets VCC through resistance R50, and the second tunnel is described One terminals of address setup module；17 feet of the toggle switch SW are divided into two-way, and the first via meets VCC through resistance R52, the Two tunnels are a terminals of described address setup module；18 feet of the toggle switch SW are divided into two-way, and the first via is through resistance R53 meets VCC, and the second tunnel is a terminals of described address setup module；19 feet of the toggle switch SW are divided into two-way, the VCC is met through resistance R54 all the way, the second tunnel is a terminals of described address setup module；20 feet of the toggle switch SW It is divided into two-way, the first via meets VCC through resistance R55, and the second tunnel is a terminals of described address setup module.

Further technical solution is：The signal input part of the 0-10V dim signals input module is divided into three tunnels, the All the way through capacitance C20 be grounded, the second tunnel through resistance R35 be grounded, third road after resistance R34 respectively with 1 foot of LM358 and 2 feet Connection, 3 feet of the LM358 are divided into two-way, and the first via is grounded after capacitance C3, the second tunnel after resistance R32 respectively with two poles One end connection of pipe D3 anodes and resistance R2, one end ground connection of resistance R31, the other end of resistance R31 and bearing for diode D3 Pole connects, and the node of the resistance R31 and diode D3 is the signal output end of the dim signal input module, the resistance The other end of R2 is divided into three tunnels, and the first via is grounded through diode ZDS1, and the second tunnel is connect after resistance R36 with 5 feet of LM358, Third road is connect after resistance R60 with 7 feet of LM358, and the 4 feet ground connection of LM358,1 foot of LM358 connects with one end of resistance R4 It connecing, the other end of resistance R4 is the control signal of the dim signal input module, and 6 feet of LM358 are grounded after resistance R6, 7 feet of LM358 are connect after resistance R64 with 6 feet of LM358, and 8 feet of LM358 meet power supply VCC.

Further technical solution is：The DMX512 signal input modules include sn65lbc184 cake core U5, institute 1 foot for stating U5 is RX signal input parts, and 2 feet and 3 feet of the U5 signal input part in order to control, 4 feet of the U5 are TX signals 6 feet of output end, the 5 feet ground connection of the U5, the U5 are D+ signal input parts, and 7 feet of the U5 are D- signal output ends, institute 8 feet for stating U5 meet VCC, a termination VCC of resistance R14, and the other end of resistance R14 is connect with 7 feet of the U5, resistance R15's One end is grounded, and the other end of resistance R15 is connect with 6 feet of the U5.

It is using advantageous effect caused by above-mentioned technical proposal：The control device supports DMX512 signals and 0- 10V signals input jointly, the problem of capable of effectively meeting different places complexity signal light control；Solving traditional brightness adjustment control cannot The problem of control, and wiring it is simple, it is easy to control, without light jitter problem.

Description of the drawings

Utility model will be further described in detail below with reference to the attached drawings and specific embodiments.

Fig. 1 is the functional block diagram of signal control device described in the utility model embodiment；

Fig. 2 is the circuit diagram of the modules of DC-DC voltage transformations described in the utility model embodiment；

Fig. 3 is the circuit diagram of microcontroller described in the utility model embodiment；

Fig. 4 is the circuit diagram of overload and short-circuit detecting circuit in the utility model embodiment；

Fig. 5 is the circuit diagram of address setup module in the utility model embodiment；

Fig. 6 is the circuit diagram of 0-10V dim signals input module in the utility model embodiment；

Fig. 7 is the circuit diagram of DMX512 signal input modules in the utility model embodiment.

Specific implementation mode

With reference to the attached drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear Chu is fully described by, it is clear that and described embodiment is only a part of the embodiment of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.

Many details are elaborated in the following description in order to fully understand the utility model, but this practicality is new Type can also be implemented using other different from other manner described here, and those skilled in the art can be without prejudice to this reality With doing similar popularization in the case of novel intension, therefore the utility model is not limited by following public specific embodiment.

As shown in Figure 1, the utility model embodiment discloses a kind of signal control device, including microcontroller, DC-DC voltages Conversion module, overload and short-circuit detecting circuit, address setup module, triode push-pull circuit, metal-oxide-semiconductor driving circuit, 0-10V tune Optical signal input module and DMX512 signal input modules.The output end of the DC-DC voltage transformations module and the control The power input for the module powered is needed to connect in device, for providing working power for it；The DMX512 signals input The output end of module is connect with the signal input part of the microcontroller, and institute is inputted for DMX512 signals to be converted to TTL signal State microcontroller, microcontroller drives metal-oxide-semiconductor by Transistor-Transistor Logic level to trigger the pwm signal of respective channel.

The output end of the 0-10V dim signals input module is connect with the input terminal of the microcontroller, is used for 0-10V Analog signal is converted to 0-5V analog signals and inputs the microcontroller, and microcontroller is come by the analog signal of collected 0-5V The pwm signal for triggering respective channel drives metal-oxide-semiconductor.The letter of the output end and the microcontroller of the overload and short-circuit detecting circuit Whether the connection of number input terminal occurs short circuit for determining product in and overloads and feedback signal is sent in microcontroller Fracture, if detecting that load has been more than rated value or load short circuits, positive closing pwm signal is protected product not by microcontroller Damage.The addresses DMX512 setup module is connect with the signal input part of the microcontroller, is filled in control for product to be arranged Address in setting, microcontroller by check toggle switch and corresponding microcontroller pin low and high level, the section of controller is arranged The address of point corresponding product.The signal output end of the microcontroller drives electricity through the triode push-pull circuit and the metal-oxide-semiconductor The input terminal on road connects.

As shown in Fig. 2, the DC-DC voltage transformations module includes zener diode D5, the zener diode D5 is just The cathode of the input terminal of the extremely described DC-DC voltage transformations module, the diode D5 is divided into three tunnels, and the first via is through capacitance CD1 Ground connection, the second tunnel connect with 7 feet of voltage transformation chip U3, and third road is divided into after resistance R24 as two-way, and the first via is through resistance R28 is grounded, and the second tunnel is connect with 2 feet of voltage transformation chip U3, and the 5 feet ground connection of the U3,6 feet of the U3 are through resistance R26 Ground connection, the 8 foot meridian capacitor C13 of the U3 are connect with 1 foot of the U3, and 3 feet of the U3 are divided into two-way, and the first via is successively through electricity It is grounded after holding C12 and resistance R29, the second tunnel is grounded after capacitance C10；4 feet of the U3 are divided into two-way, and the first via is through resistance R28 is grounded, and the second tunnel is connect after resistance R27 with one end of inductance L2, and the other end of inductance L2 is divided into two-way, the first via and institute The 1 foot connection of U3 is stated, the second tunnel is grounded after diode D1, one end ground connection of capacitance CD2, another terminating resistor of capacitance CD2 The node of R27 and inductance L2, capacitance C11 is in parallel with capacitance CD2, node and the voltage transformation core of the inductance L2 and capacitance C11 The input terminal of piece U4 connects, and capacitance CD3 and capacitance C4 are in parallel with the output end of voltage transformation chip U4, and the voltage becomes The output end for changing chip U4 is the output end of the DC-DC voltage transformations module.

Direct current 12V-55V passes through diode D5, using MP4560, inductance L2, afterflow after being filtered using capacitance CD4 Voltage is down to 12V by the switching mode regulator circuit of the compositions such as diode D1, and 12V DC electricity is defeated using three sections of voltage-stabiliser tube 78M05 Go out 5V direct currents, 5V direct currents are filtered again using capacitance CD3, obtain stablizing smooth 5V power supplys for be other moulds Block is powered.

As shown in figure 3, the microcontroller uses STM8S105K4T6C type microcontrollers.Fortune of the microcontroller as described device Calculate processing unit, be the core devices of the device, be mainly responsible for the processing to DMX512 signals, 0-10V signals with it is corresponding defeated Go out pwm signal, the detection to load short circuits, the driving to metal-oxide-semiconductor circuit and filtering operation and processing to collecting signal Deng.

As shown in figure 4, the overload and detection circuit include resistance R12 and resistance R61, the resistance R12 and electricity It is the signal input part of the overload and detection circuit, the other end ground connection of the resistance R12 after one end connection of resistance R61；Institute The other end for stating resistance R61 is divided into two-way, and the first via is connect with the grid of field-effect tube Q5, the current collection on the second tunnel and triode Q4 Pole connects, and the source electrode of the emitter ground connection of the triode Q4, the field-effect tube Q5 is divided into three tunnels, the first via and three pole The base stage of pipe Q4 connects, and the second tunnel is grounded through resistance R56, and third road is connect with one end of resistance R13, the other end of resistance R13 It is divided into two-way, the first via is grounded through capacitance C9, and the second tunnel is the output end of the overload and detection circuit, the field-effect tube Q5 Drain electrode be it is described overload and detection circuit control signal.

Pwm signal drives metal-oxide-semiconductor Q5, high current to cross metal-oxide-semiconductor and again pass through high-power resistance R56 by deburring resistance R61 Flow direction, it just will produce a small voltage on resistance R56.If electric current is bigger or load short circuits, the electricity of resistance R56 partial pressures Pressure can be bigger.Microcontroller acquires the value on resistance R56 by resistance R13, if collection value has been more than the valve set by microcontroller Value, microcontroller turn off pwm signal, and protection MOS is without damage.

As shown in figure 5, the addresses DMX512 setup module includes resistance R46-R55, resistance R30 and toggle switch The 1-10 feet of SW, the toggle switch SW are grounded, and 11 feet of the toggle switch SW are divided into two-way, and the first via connects through resistance R30 VCC, the second tunnel are a terminals of described address setup module；12 feet of the toggle switch SW are divided into two-way, the first via VCC is met through resistance R46, the second tunnel is a terminals of described address setup module；13 feet of the toggle switch SW are divided into Two-way, the first via meet VCC through resistance R47, and the second tunnel is a terminals of described address setup module；The toggle switch SW 14 feet be divided into two-way, the first via meets VCC through resistance R48, and the second tunnel is a terminals of described address setup module；It is described 15 feet of toggle switch SW are divided into two-way, and the first via meets VCC through resistance R49, and the second tunnel is one of described address setup module Terminals；16 feet of the toggle switch SW are divided into two-way, and the first via meets VCC through resistance R50, and the second tunnel is arranged for described address One terminals of module；17 feet of the toggle switch SW are divided into two-way, and the first via meets VCC through resistance R52, and the second tunnel is institute State a terminals of address setup module；18 feet of the toggle switch SW are divided into two-way, and the first via meets VCC through resistance R53, Second tunnel is a terminals of described address setup module；19 feet of the toggle switch SW are divided into two-way, and the first via is through electricity Resistance R54 meets VCC, and the second tunnel is a terminals of described address setup module；20 feet of the toggle switch SW are divided into two-way, The first via meets VCC through resistance R55, and the second tunnel is a terminals of described address setup module.

Resistance R46-R55, resistance R30 mainly act the pin voltage for drawing high corresponding microcontroller, and 10 toggle switch play Drag down pin voltage function, if wherein one or several of 10 toggle switch dial under, microcontroller will detect the pipe The voltage of foot is low level, and microcontroller is corresponded to the low and high level of pin by detection, corresponding address can be arranged.

As shown in fig. 6, the signal input part of the 0-10V dim signals input module is divided into three tunnels, the first via is through capacitance C20 is grounded, and the second tunnel is grounded through resistance R35, and third road is connect with 1 foot of LM358 and 2 feet respectively after resistance R34, described 3 feet of LM358 are divided into two-way, and the first via is grounded after capacitance C3, the second tunnel after resistance R32 respectively with diode D3 anodes with And one end connection of resistance R2, one end ground connection of resistance R31, the other end of resistance R31 is connect with the cathode of diode D3, described The node of resistance R31 and diode D3 is the signal output end of the dim signal input module, the other end of the resistance R2 It is divided into three tunnels, the first via is grounded through diode ZDS1, and the second tunnel is connect after resistance R36 with 5 feet of LM358, third Lu Jing electricity It is connect with 7 feet of LM358 after resistance R60, the 4 feet ground connection of LM358,1 foot of LM358 is connect with one end of resistance R4, resistance R4's The other end is the control signal of the dim signal input module, and 6 feet of LM358 are grounded after resistance R6,7 feet of LM358 It is connect with 6 feet of LM358 after resistance R64,8 feet of LM358 meet power supply VCC.

0-10V dim signals are amplified to 0-5V by amplifier comparator LM358,0-10V voltage synchronous, by R34 with It after R35 partial pressures, is filtered by capacitance C20, stable analog signal is sent to microcontroller, is sampled for microcontroller, microcontroller is same 4 road PWM of step output drive metal-oxide-semiconductor.

As shown in fig. 7, the DMX512 signal input modules include sn65lbc184 cake cores U5,1 foot of the U5 is RX signal input parts, 2 feet and 3 feet of the U5 signal input part in order to control, 4 feet of the U5 are TX signal output ends, described 5 feet of U5 are grounded, and 6 feet of the U5 are D+ signal input parts, and 7 feet of the U5 are D- signal output ends, and 8 feet of the U5 connect A termination VCC of VCC, resistance R14, the other end of resistance R14 are connect with 7 feet of the U5, one end ground connection of resistance R15, electricity The other end of resistance R15 is connect with 6 feet of the U5.

The positive negative signal of DMX512 outputs after resistance R14, R15 pull-up and drop-down by entering RS485 chips, RS485 cores DMX512 differential signals are converted into Transistor-Transistor Logic level and are conveyed to microcontroller by piece, and microcontroller is the Transistor-Transistor Logic level received by operation Reason, resynchronisation 4 road pwm signals of output, for driving metal-oxide-semiconductor.

The DC-DC module of the utility model embodiment inputs 12-55V high voltage direct currents, exports 5V stable DCs, supplies Microcontroller, DMX512 signal receiving modules and 0-10V signaling modules.DMX512 signal input modules turn after receiving DMX512 signals It is changed to TTL, 0-10V signal input modules receive 0-10V voltages, are converted into 0-5V analog signals, based on this microcontroller By receiving these signals, the PWM drive signal driving metal-oxide-semiconductor of duty ratio corresponding is exported, realizes 0-255% grades of light modulations.

Described device supports the input of DMX512 signals and the input of 0-10V signals, solves tradition light modulation and can not achieve Effect, the light variation effect of various stages, theater can be met, and wiring is simple, easy to control, efficient.

Claims

1. a kind of signal control device, it is characterised in that：Including microcontroller, DC-DC voltage transformations module, overload and short-circuit detecting Circuit, address setup module, triode push-pull circuit, metal-oxide-semiconductor driving circuit, 0-10V dim signals input module and The mould powered is needed in DMX512 signal input modules, the output end of the DC-DC voltage transformations module and the control device The power input of block connects, for providing working power for it；The output end of the DMX512 signal input modules with it is described The signal input part of microcontroller connects, and the microcontroller is inputted for DMX512 signals to be converted to TTL signal；The 0-10V The output end of dim signal input module is connect with the input terminal of the microcontroller, for 0-10V analog signals to be converted to 0- 5V analog signals input the microcontroller；The output end of the overload and short-circuit detecting circuit and the signal of the microcontroller input Whether end connection occurs middle fracture that is short-circuit and overloading and be sent to feedback signal microcontroller for determining product in； The addresses DMX512 setup module is connect with the signal input part of the microcontroller, for product to be arranged in control device Address；Input terminal of the signal output end of the microcontroller through the triode push-pull circuit and the metal-oxide-semiconductor driving circuit connects It connects.

2. signal control device as described in claim 1, it is characterised in that：The DC-DC voltage transformations module includes voltage stabilizing The input terminal of the just extremely described DC-DC voltage transformations module of diode D5, the zener diode D5, the diode D5's Cathode is divided into three tunnels, and the first via is grounded through capacitance CD1, and the second tunnel is connect with 7 feet of voltage transformation chip U3, and third road is through resistance It being divided into after R24 as two-way, the first via is grounded through resistance R28, and the second tunnel is connect with 2 feet of voltage transformation chip U3, and the 5 of the U3 Foot is grounded, and 6 feet of the U3 are grounded through resistance R26, and the 8 foot meridian capacitor C13 of the U3 are connect with 1 foot of the U3, the U3 3 feet be divided into two-way, the first via is grounded after capacitance C12 and resistance R29 successively, and the second tunnel is grounded after capacitance C10；It is described 4 feet of U3 are divided into two-way, and the first via is grounded through resistance R28, and the second tunnel is connect after resistance R27 with one end of inductance L2, inductance The other end of L2 is divided into two-way, and the first via is connect with 1 foot of the U3, and the second tunnel is grounded after diode D1, and the one of capacitance CD2 End ground connection, the node of another the terminating resistor R27 and inductance L2 of capacitance CD2, capacitance C11 is in parallel with capacitance CD2, the inductance L2 It is connect with the node of capacitance C11 with the input terminal of voltage transformation chip U4, capacitance CD3 and capacitance C4 and the voltage transformation core The output end of piece U4 is in parallel, and the output end of the voltage transformation chip U4 is the output end of the DC-DC voltage transformations module.

3. signal control device as described in claim 1, it is characterised in that：The microcontroller uses STM8S105K4T6C types Microcontroller.

4. signal control device as described in claim 1, it is characterised in that：The overload and detection circuit include resistance R12 And resistance R61, the resistance R12 and resistance R61 one end connection after be it is described overload and detection circuit signal input End, the other end ground connection of the resistance R12；The other end of the resistance R61 is divided into two-way, the grid of the first via and field-effect tube Q5 Pole connects, and the second tunnel is connect with the collector of triode Q4, the emitter ground connection of the triode Q4, the field-effect tube Q5's Source electrode is divided into three tunnels, and the first via is connect with the base stage of the triode Q4, and the second tunnel is grounded through resistance R56, third road and resistance One end of R13 connects, and the other end of resistance R13 is divided into two-way, and the first via is grounded through capacitance C9, and the second tunnel is the overload and inspection The output end of slowdown monitoring circuit, the drain electrode of the field-effect tube Q5 are the control signal of the overload and detection circuit.

5. signal control device as described in claim 1, it is characterised in that：The addresses DMX512 setup module includes resistance The 1-10 feet of R46-R55, resistance R30 and toggle switch SW, the toggle switch SW are grounded, 11 feet of the toggle switch SW It is divided into two-way, the first via meets VCC through resistance R30, and the second tunnel is a terminals of described address setup module；The dial-up is opened 12 feet for closing SW are divided into two-way, and the first via meets VCC through resistance R46, and the second tunnel is a terminals of described address setup module； 13 feet of the toggle switch SW are divided into two-way, and the first via meets VCC through resistance R47, and the second tunnel is described address setup module One terminals；14 feet of the toggle switch SW are divided into two-way, and the first via meets VCC through resistance R48, and the second tunnel is described address One terminals of setup module；15 feet of the toggle switch SW are divided into two-way, and the first via connects VCC, the second tunnel through resistance R49 For a terminals of described address setup module；16 feet of the toggle switch SW are divided into two-way, and the first via connects through resistance R50 VCC, the second tunnel are a terminals of described address setup module；17 feet of the toggle switch SW are divided into two-way, the first via VCC is met through resistance R52, the second tunnel is a terminals of described address setup module；18 feet of the toggle switch SW are divided into Two-way, the first via meet VCC through resistance R53, and the second tunnel is a terminals of described address setup module；The toggle switch SW 19 feet be divided into two-way, the first via meets VCC through resistance R54, and the second tunnel is a terminals of described address setup module；It is described 20 feet of toggle switch SW are divided into two-way, and the first via meets VCC through resistance R55, and the second tunnel is one of described address setup module Terminals.

6. signal control device as described in claim 1, it is characterised in that：The letter of the 0-10V dim signals input module Number input terminal is divided into three tunnels, and the first via is grounded through capacitance C20, and the second tunnel is grounded through resistance R35, and third road is after resistance R34 point It is not connect with 1 foot of LM358 and 2 feet, 3 feet of the LM358 are divided into two-way, and the first via is grounded after capacitance C3, the second road warp It is connect respectively with one end of diode D3 anodes and resistance R2 after resistance R32, one end ground connection of resistance R31, resistance R31's is another One end is connect with the cathode of diode D3, and the node of the resistance R31 and diode D3 is the dim signal input module The other end of signal output end, the resistance R2 is divided into three tunnels, and the first via is grounded through diode ZDS1, and the second tunnel is through resistance R36 It being connect afterwards with 5 feet of LM358, third road is connect after resistance R60 with 7 feet of LM358, the 4 feet ground connection of LM358, and the 1 of LM358 Foot is connect with one end of resistance R4, and the other end of resistance R4 is the control signal of the dim signal input module, LM358's 6 feet are grounded after resistance R6, and 7 feet of LM358 are connect after resistance R64 with 6 feet of LM358, and 8 feet of LM358 meet power supply VCC.

7. signal control device as described in claim 1, it is characterised in that：The DMX512 signal input modules include 1 foot of sn65lbc184 cake cores U5, the U5 are RX signal input parts, and signal inputs in order to control for 2 feet and 3 feet of the U5 4 feet at end, the U5 are TX signal output ends, and 5 feet of the U5 are grounded, and 6 feet of the U5 are D+ signal input parts, the U5 7 feet be D- signal output ends, 8 feet of the U5 meet VCC, a termination VCC of resistance R14, the other end of resistance R14 with it is described 7 feet of U5 connect, and one end ground connection of resistance R15, the other end of resistance R15 is connect with 6 feet of the U5.