Light controller

Abstract

The utility model relates to the technical field of light control, in particular to a light controller, which mainly comprises a main controller, a first control module, a second control module, an audio acquisition module and a DMX512 communication module, and is characterized in that the main controller is respectively connected with the first control module and the second control module through virtual interfaces; the audio acquisition module is connected with the first control module, and the DMX512 communication module is connected with the main controller. According to the utility model, each functional area is controlled separately, a main controller is respectively connected with a first control module and a second control module through virtual interfaces, an audio acquisition module is connected with the first control module, a DMX512 communication module is connected with the main controller, and the second control module is connected with other modules. Therefore, the control areas are separated for respective control, mutual interference is avoided, and the stability of the product is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to light control technical field, especially a light controller. BACKGROUND

[0002] Modern light design is complicated and changeable, especially stage light is an important component of performance space composition, needs according to the development of plot to the character and the required specific scene carries out all -round visual environment light design, and purposefully reproduces the design intention to the audience in the visual image mode artistic creation, therefore modern light especially stage light needs light controller to control its switch to cooperate the required specific scene. But the existing light controller does not divide control area design, and various functions are unified control, and there is the risk of mutual interference. SUMMARY

[0003] In view of the deficiencies of prior art, the utility model aims at providing a light controller, which divides control area design to avoid mutual interference.

[0004] To achieve the above-mentioned purpose, the utility model can be realized through the following technical schemes:

[0005] A light controller, comprising a main controller, further comprising a first control module, a second control module, an audio acquisition module and a DMX512 communication module, the main controller is connected with the first control module and the second control module through virtual interface respectively, the audio acquisition module is connected with the first control module, and the DMX512 communication module is connected with the main controller.

[0006] Further, the DMX512 communication module comprises a first optocoupler U28, a second optocoupler U29, a third optocoupler U30 and a differential bus transceiver U5;

[0007] The I / O port PB11 of the main controller is connected with the output terminal VO of the first optocoupler U28, the output terminal VO of the first optocoupler U28 is connected with the power supply through pull-up resistance R21, the voltage terminal VCC and the starting terminal VE of the first optocoupler U28 are connected with the power supply, the IR anode ANODE of the first optocoupler U28 is connected with the power supply through pull-up resistance R95, and the IR cathode CATHODE of the first optocoupler U28 is connected with the receiver input terminal R of the differential bus transceiver U5;

[0008] The I / O port PB10 of the main controller is connected with the IR cathode CATHODE of the second photoelectric coupler U29, the IR anode ANODE of the second photoelectric coupler U29 is connected with the power supply through the resistor R97, the voltage end VCC and the starting end VE of the second photoelectric coupler U29 are connected with the power supply, the output end VO of the second photoelectric coupler U29 is connected with the driver output end D of the differential bus transceiver U5 through the pull-up resistor R98, and the output end of the second photoelectric coupler U29 is connected with the driver output end D of the differential bus transceiver U5.

[0009] The I / O port PB1 of the main controller is connected with the cathode of the third photoelectric coupler U30, the anode of the third photoelectric coupler U30 is connected with the power supply through the resistor R16, the collector of the third photoelectric coupler U30 is connected with the power supply through the resistor R71, the collector of the third photoelectric coupler U30 is also connected with the receiver enable end RE and the driver enable end DE of the differential bus transceiver, and the emitter of the third photoelectric coupler U30 is grounded.

[0010] The non-inverted end A and the inverted end B of the differential bus transceiver U5 are connected with the interface J5 through the fuse F1 and the fuse F2 respectively.

[0011] Further, the transient suppression diode D3 is connected in parallel between the non-inverted end and the inverted end of the differential bus transceiver, the non-inverted end of the differential bus transceiver is connected with the power supply through the resistor R19, the power supply end of the differential bus transceiver is connected with the power supply, the transient suppression diode D4 is connected in parallel between the non-inverted end and the ground of the differential bus transceiver, and the transient suppression diode D5 and the resistor R20 are connected in parallel between the inverted end and the ground of the differential bus transceiver respectively.

[0012] Further, the audio acquisition module comprises a seven-segment spectrum acquisition chip U12, the audio input end IN of the seven-segment spectrum acquisition chip U12 is connected with the I / O port P1.2 of the first control module U11 through the capacitor C37, the channel selection end STROBE is connected with the I / O port P3.7 of the first control module U11, the multi-channel switch selection reset end RESET is connected with the I / O port P1.1 of the first control module U11, the multi-channel switch selection direct current output end OUT is connected with the I / O port P1.0 of the first control module U11 through the resistor R56, the ground end GND is grounded through the capacitor C46, the clock oscillator input end CKIN is connected with the power supply through the resistor R55 and grounded through the capacitor C38 respectively, one end of the capacitor C39 is connected between the resistor R55 and the power supply, and the other end is grounded.

[0013] Further, the second control module is connected with the rocker input end, the relay and the zero fire input end respectively.

[0014] Further, the main controller is connected with the USB module, the FLASH module and the Ethernet module respectively through the SPI bus.

[0015] Further, the infrared transmitting module and the infrared receiving module are further included, and the main controller is connected with the infrared transmitting module and the infrared receiving module respectively.

[0016] Further, the buzzer is further included, and the main controller is connected with the buzzer.

[0017] Further, the debugging interface and the PC communication serial port are further included, and the main controller is connected with the debugging interface and the PC communication serial port respectively.

[0018] Further, the display nixie tube and the key are further included, and the main controller is connected with the display nixie tube and the key respectively.

[0019] Compared with the prior art, the utility model has following beneficial effects:

[0020] The utility model discloses the control of each function area is separated, and the main controller is connected with the first control module and the second control module respectively through the virtual interface, the audio acquisition module is connected with the first control module, the DMX512 communication module is connected with the main controller, and the second control module is connected with other module, and thus the control area is separated and is controlled respectively, avoids the mutual interference, and increases the stability of product. BRIEF DESCRIPTION OF DRAWINGS

[0021] Fig. 1 It is the circuit principle diagram of the utility model;

[0022] Fig. 2 It is the circuit structure diagram of the DMX512 communication module of the utility model;

[0023] Fig. 3 It is the circuit structure diagram of the audio acquisition module of the utility model. DETAILED DESCRIPTION

[0024] The utility model will be further explained below by combining with the drawings and specific embodiment. The terms such as "upper", "inner", "middle", "left", "right" and "one" in this specification are only for the clear understanding of the description, and not for limiting the scope of the utility model, and the change or adjustment of relative relationship is also regarded as the scope of the utility model under the condition of no substantial change of technical content.

[0025] As Figs. 1-3The light controller shown comprises a main controller, further comprises a first control module, a second control module, an audio acquisition module and a DMX512 communication module, the main controller is connected with the first control module and the second control module through a virtual interface, the audio acquisition module is connected with the first control module, and the DMX512 communication module is connected with the main controller.

[0026] The DMX512 communication module is used for being connected with a light device, signal transmission is carried out between the main controller and the light device through the DMX512 communication module, and accurate control of the light device is realized. The DMX512 communication module comprises a first optoelectronic coupler U28, a second optoelectronic coupler U29, a third optoelectronic coupler U30 and a differential bus transceiver U5, the DMX512 communication module of the prior art is prone to burning the DMX interface, the first optoelectronic coupler U28, the second optoelectronic coupler U29 and the third optoelectronic coupler U30 are added as optical coupling isolation in the application, the circuit is more stable, and the probability of burning the device is reduced.

[0027] The specific circuit structure is as follows:

[0028] The I / O port PB11 of the main controller is connected with the output end VO of the first optoelectronic coupler U28, the output end VO of the first optoelectronic coupler U28 is connected with the power supply through a pull-up resistor R21, the voltage end VCC and the starting end VE of the first optoelectronic coupler U28 are connected with the power supply, the IR anode ANODE of the first optoelectronic coupler U28 is connected with the power supply through a pull-up resistor R95, and the IR cathode CATHODE of the first optoelectronic coupler U28 is connected with the receiver input end R of the differential bus transceiver U5.

[0029] The I / O port PB10 of the main controller is connected with the IR cathode CATHODE of the second optoelectronic coupler U29, the IR anode ANODE of the second optoelectronic coupler U29 is connected with the power supply through a resistor R97, the voltage end VCC and the starting end VE of the second optoelectronic coupler U29 are connected with the power supply, the output end VO of the second optoelectronic coupler U29 is connected with the power supply through a pull-up resistor R98, and the output end of the second optoelectronic coupler U29 is connected with the driver output end D of the differential bus transceiver U5.

[0030] The I / O port PB1 of the main controller is connected with the cathode of the third optoelectronic coupler U30, the anode of the third optoelectronic coupler U30 is connected with the power supply through the resistor R16, the collector of the third optoelectronic coupler U30 is connected with the power supply through the resistor R71, the collector of the third optoelectronic coupler U30 is also connected with the receiver enable end RE and the driver enable end DE of the differential bus transceiver, and the emitter of the third optoelectronic coupler U30 is grounded.

[0031] The non-inverting end A and the inverting end B of the differential bus transceiver U5 are connected with the interface J5 through the fuse F1 and the fuse F2 respectively, and the interface J5 is connected with the light equipment. The main functions of the fuse F1 and the fuse F2 are overcurrent and overheating protection, which can quickly cut off the circuit when a short circuit occurs and automatically reconnect the circuit after the short circuit is eliminated, thereby avoiding the problem of frequent replacement of fuses.

[0032] The non-inverting end and the inverting end of the differential bus transceiver are connected in parallel with the transient suppression diode D3, the non-inverting end of the differential bus transceiver is connected with the power supply through the pull-up resistor R19, the power supply end of the differential bus transceiver is connected with the power supply, the non-inverting end of the differential bus transceiver is connected in parallel with the transient suppression diode D4 between the ground, and the inverting end of the differential bus transceiver is connected in parallel with the transient suppression diode D4 and the pull-down resistor R20 between the ground. When a transient overvoltage or surge voltage occurs in the circuit, the transient suppression diodes D3, D4 and D4 can quickly respond to change from a high resistance state to a low resistance state, thereby shunting and clamping the surge voltage and protecting other elements in the circuit from damage. The pull-up resistor R19 and the pull-down resistor R20 ensure that the UART maintains a high level when idle.

[0033] The main functions of the first optoelectronic coupler U28, the second optoelectronic coupler U29 and the third optoelectronic coupler U30 are electrical signal transmission and isolation. The electrical signals between the main controller and the light equipment are transmitted through light as a medium, which effectively isolates interference signals and protects the subsequent circuit. Then, the differential bus transceiver U5 uses two lines to transmit signals simultaneously. The signal amplitudes on the two lines are equal but opposite in phase, so the differential pair is not sensitive to external noise, which can effectively resist external interference such as radio interference and other signal changes, ensure accurate data transmission, improve the anti-interference ability of the signal and realize long-distance transmission.

[0034] The audio acquisition module comprises a seven-segment spectrum acquisition chip U12, an audio input end IN of the seven-segment spectrum acquisition chip U12 is connected with an I / O port P1.2 of the first control module U11 through a capacitor C37, a channel selection end STROBE is connected with an I / O port P3.7 of the first control module U11, a multi-channel switch selection reset end RESET is connected with an I / O port P1.1 of the first control module U11, a multi-channel switch selection direct current output end OUT is connected with an I / O port P1.0 of the first control module U11 through a resistor R56, a ground end GND is grounded through a capacitor C46, a clock oscillator input end CKIN is connected with a power supply through a resistor R55 and grounded through a capacitor C38, one end of a capacitor C39 is connected between the resistor R55 and the power supply, and the other end is grounded. The seven-segment spectrum acquisition chip U12 is preferably an ET7207 seven-segment spectrum acquisition chip, can acquire data for two main low frequency bands of 63Hz and 160Hz, and can analyze and process the data, and can realize accurate analysis and acquisition of bass signals. The audio acquisition module can acquire, for example, computer audio signals.

[0035] In order to enhance the control function of the light controller, and link other devices, the second control module is used to control other functional modules separately, for example, the second control module can be connected with the rocker input end, the relay and the zero fire input end respectively.

[0036] Further expansion, the main controller is connected with the USB module, the FLASH module and the Ethernet module through the SPI bus respectively, the USB module uses the CH376T chip to collect the U disk, realizes system upgrade, or OTA upgrade.

[0037] The utility model further can include infrared emission module, infrared receiving module, buzzer and outside wall panel, main controller is connected with infrared emission module, infrared receiving module, buzzer and outside wall panel respectively. Infrared emission module and infrared receiving module can be used to control the switch of air conditioner. The interface of outside wall panel can be connected with other equipment.

[0038] The utility model further includes debugging interface and PC communication serial ports, and the main controller is connected with the debugging interface and the PC communication serial ports respectively.

[0039] The utility model further includes display nixie tube and key, and the main controller is connected with display nixie tube and key respectively, is used to display and key input.

[0040] The working principle of the utility model:

[0041] The utility model discloses a main control unit and light equipment between through DMX512 communication module carry out signal transmission, realize accurate control to light equipment, still can further with USB module, FLASH module and ethernet module, infrared emission module, infrared receiving module, buzzer and outside wall panel, debugging interface, PC communication serial ports, display nixie tube and key etc. connection, the connection of extension main control unit and other function modules or equipment, enhance the control function of light controller. The first control module is responsible for controlling audio acquisition module, and audio signal is collected. The second control module is responsible for connecting with the input end of shaking wheat, relay and zero fire input end, and the control function is expanded.

[0042] The utility model discloses a DMX512 communication module adds first photoelectric coupler U28, second photoelectric coupler U29, third photoelectric coupler U30 as photoelectric coupler isolation, makes circuit more stable, reduces the probability of burning equipment. The utility model divides each function area and controls, and main control unit is connected with first control module and second control module respectively through virtual interface, audio acquisition module is connected with first control module, DMX512 communication module is connected with main control unit, and second control module is connected with other module, so that can link light equipment and other function equipment, and enhance the linkage function, can also control respectively to avoid mutual interference, and increase the stability of product.

[0043] The embodiment of the utility model is not limited to this, according to the above content of the utility model, using the ordinary technical knowledge and usual means in the art, under the prerequisite of not departing from the above basic technical thought of the utility model, the utility model can also make other various forms of modification, replacement or combination, all fall within the scope of protection of the utility model.

Claims

1. A light controller comprising a master controller, characterized by: Also include a first control module, a second control module, audio acquisition module and DMX512 communication module, the main controller is connected with the first control module and the second control module through virtual interface respectively, the audio acquisition module is connected with the first control module, the DMX512 communication module is connected with the main controller.

2. The light controller of claim 1, wherein: The DMX512 communication module includes a first optoelectronic coupler U28, a second optoelectronic coupler U29, a third optoelectronic coupler U30 and a differential bus transceiver U5; The I / O port PB11 of the main controller is connected with the output terminal VO of the first optoelectronic coupler U28, the output terminal VO of the first optoelectronic coupler U28 is connected with the power supply through the pull-up resistor R21, the voltage terminal VCC and the start terminal VE of the first optoelectronic coupler U28 are both connected with the power supply, the IR anode ANODE of the first optoelectronic coupler U28 is connected with the power supply through the pull-up resistor R95, and the IR cathode CATHODE of the first optoelectronic coupler U28 is connected with the receiver input terminal R of the differential bus transceiver U5; The I / O port PB10 of the main controller is connected with the IR cathode CATHODE of the second optoelectronic coupler U29, the IR anode ANODE of the second optoelectronic coupler U29 is connected with the power supply through the resistor R97, the voltage terminal VCC and the start terminal VE of the second optoelectronic coupler U29 are both connected with the power supply, the output terminal VO of the second optoelectronic coupler U29 is connected with the power supply through the pull-up resistor R98, and the output terminal of the second optoelectronic coupler U29 is connected with the driver output terminal D of the differential bus transceiver U5; The I / O port PB1 of the main controller is connected with the cathode of the third optoelectronic coupler U30, the anode of the third optoelectronic coupler U30 is connected with the power supply through the resistor R16, the collector of the third optoelectronic coupler U30 is connected with the power supply through the resistor R71, the collector of the third optoelectronic coupler U30 is also connected with the receiver enable terminal RE and the driver enable terminal DE of the differential bus transceiver, and the emitter of the third optoelectronic coupler U30 is grounded. The non-inverting terminal A and the inverting terminal B of the differential bus transceiver U5 are connected with the interface J5 through the fuse F1 and the fuse F2 respectively.

3. The light controller of claim 2, wherein: The non-inverting terminal and the inverting terminal of the differential bus transceiver are connected in parallel with the transient suppression diode D3, the non-inverting terminal of the differential bus transceiver is connected with the power supply through the resistor R19, the power supply terminal of the differential bus transceiver is connected with the power supply, the non-inverting terminal and the ground of the differential bus transceiver are connected in parallel with the transient suppression diode D4, and the inverting terminal and the ground of the differential bus transceiver are connected in parallel with the transient suppression diode D5 and the resistor R20 respectively.

4. The light controller of claim 1, wherein: The audio acquisition module comprises a seven-segment spectrum acquisition chip U12, an audio input end IN of the seven-segment spectrum acquisition chip U12 is connected with an I / O port P1.2 of the first control module U11 through a capacitor C37, a channel selection end STROBE is connected with an I / O port P3.7 of the first control module U11, a multi-channel switch selection reset end RESET is connected with an I / O port P1.1 of the first control module U11, a multi-channel switch selection direct current output end OUT is connected with an I / O port P1.0 of the first control module U11 through a resistor R56, a ground end GND is grounded through a capacitor C46, a clock oscillator input end CKIN is connected with a power supply through a resistor R55 and grounded through a capacitor C38, one end of a capacitor C39 is connected between the resistor R55 and the power supply, and the other end is grounded.

5. The light controller of claim 1, wherein: The second control module is connected with a rocker input end, a relay and a zero fire input end respectively.

6. The light controller of claim 1, wherein: The main controller is connected with a USB module, a FLASH module and an Ethernet module respectively through an SPI bus.

7. The light controller of claim 1, wherein: The main controller is connected with an infrared emission module and an infrared receiving module respectively.

8. The light controller of claim 1, wherein: The main controller is connected with a buzzer.

9. The light controller of claim 1, wherein: The main controller is connected with a debugging interface and a PC communication serial port respectively.

10. The light controller of claim 1, wherein: The main controller is connected with a display nixie tube and a key respectively.

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