CN211557582U - Dimming signal conversion device and dimming system - Google Patents

Abstract

The utility model discloses a dimming signal conversion device and a dimming system, which are applied to the control of lamp equipment and comprise a wireless module, a serial port signal module, a PWM signal module, a contact signal module, an alternating current signal module and a DALI signal module; the serial port signal module, the PWM signal module, the contact signal module, the alternating current signal module and the DALI signal module are all electrically connected with the wireless module; the wireless module identifies the control signals converted by the serial port signal module, the PWM signal module, the contact signal module, the alternating current signal module or the DALI signal module, and sends the control instructions of the identified control signals to the lamp equipment. The utility model discloses with serial signals, the PWM signal, contact signal, alternating current signal and DALI signal unified processing for lighting apparatus's control is more intelligent.

Description

Dimming signal conversion device and dimming system

Technical Field

The utility model relates to a signal transmission field especially relates to a signal conversion equipment and dimming system adjust luminance.

Background

Nowadays, the popularization of electronic products and various control modes are also on the market, and accordingly, control signal systems are more and more diversified. At present, 0/1-10V dimming signals, DAL I signals, dry contact signals, wall switches, RS232 and other control signals of various systems are common. The diversification of the control signals also results in that the control cannot be used in a centralized manner, which causes inconvenience to users when using the above-mentioned systems with different control signals.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a light modulation signal conversion device, which can convert and transmit various control information in a centralized manner.

In order to achieve the above object, the present invention provides a light modulation signal conversion device, which is applied to control of a lighting apparatus, and comprises a wireless module, a serial port signal module, a PWM signal module, a contact signal module, an ac signal module, and a DALI signal module; the device comprises a serial port signal module, a PWM signal module, a contact signal emitting end, an alternating current signal module, a DALI signal module and a DALI signal receiving end, wherein the serial port signal module is used for being electrically connected with a serial port signal port and converting a serial port signal into a digital signal, the PWM signal module is used for being electrically connected with the PWM signal port and converting a PWM signal into a digital signal, the contact signal module is used for being connected with the contact signal emitting end, the alternating current signal module is used for being connected with the alternating current signal emitting end and converting an alternating current signal into a digital signal; the serial port signal module, the PWM signal module, the contact signal module, the alternating current signal module and the DALI signal module are all electrically connected with the wireless module; the wireless module identifies the control signals converted by the serial port signal module, the PWM signal module, the contact signal module, the alternating current signal module or the DALI signal module, and sends the control instructions of the identified control signals to the lamp equipment.

Furthermore, the alternating current signal module comprises a voltage reduction circuit, a voltage stabilizing circuit and a level conversion circuit; the voltage reduction circuit is electrically connected with a signal source of an alternating current signal, the voltage reduction circuit, the voltage stabilizing circuit and the level conversion circuit are electrically connected in sequence, and the level conversion circuit is electrically connected with the wireless module so as to convert the alternating current signal accessed by the voltage reduction circuit into a level signal after voltage reduction and voltage stabilization processing and identify and send a corresponding control instruction to the lamp equipment by the wireless module.

Furthermore, the voltage reduction circuit comprises a first resistor and an electrolytic capacitor, one end of the first resistor is electrically connected with a signal source of the alternating current signal, one end of the electrolytic capacitor is connected between the first resistor and the alternating current signal input end, and the other end of the electrolytic capacitor is grounded so as to carry out voltage reduction processing on the input alternating current signal.

Further, the voltage stabilizing circuit comprises a first voltage stabilizing diode, a second resistor, a third resistor and a capacitor; one end of the cathode of the first voltage-stabilizing diode is electrically connected with the other end of the first resistor, one end of the anode of the first voltage-stabilizing diode is electrically connected with the capacitor, and the other end of the capacitor is grounded; one end of the second resistor is connected between the first voltage stabilizing diodes of the first resistor, and the other end of the second resistor is grounded; one end of the third resistor is connected between the first voltage stabilizing diode and the capacitor, and the other end of the third resistor is connected to the level conversion circuit; one end of the cathode of the second voltage stabilizing diode is connected between the third resistor and the level conversion battery, and one end of the anode of the second voltage stabilizing diode is grounded.

Furthermore, the level conversion circuit comprises an MOS (metal oxide semiconductor) tube and a photoelectric coupler, the grid electrode of the MOS tube is connected with the cathode of the second voltage stabilizing diode, and the source electrode and the drain electrode of the MOS tube are connected with the photoelectric coupler; and the collector of the photoelectric coupler is connected with the wireless module.

Furthermore, the DALI signal module includes a second resistor and a triode, one end of the second resistor is electrically connected to a signal source of the DALI signal, the other end of the second resistor is electrically connected to a base of the triode, a collector of the triode is electrically connected to the wireless module, and an emitter of the triode is grounded.

Furthermore, the dimming signal conversion device further comprises an alternating current-direct current conversion module, wherein the direct current conversion module is electrically connected with alternating current of an external power supply so as to convert the accessed alternating current electric energy into direct current electric energy; the direct current conversion module is respectively and electrically connected with the wireless module, the serial port signal module, the PWM signal module, the contact signal module, the alternating current signal module and the DALI signal module so as to convert the accessed alternating current electric energy into direct current electric energy to respectively provide electric energy for the wireless module, the serial port signal module, the PWM signal module, the contact signal module, the alternating current signal module and the DALI signal module.

Furthermore, the serial port signal module comprises an ASCLL conversion unit, wherein one end of the ASCLL conversion unit is electrically connected with the serial port signal port so as to convert a computer signal of the serial port signal into a digital signal; the other end of the ASCLL conversion unit is electrically connected with the wireless module so as to send the converted serial port signal.

Further, the wireless module includes a bluetooth unit or a ZigBee (ZigBee) unit.

The invention provides a dimming system which comprises any one dimming signal conversion device, wherein the dimming signal conversion device is electrically connected with lamp equipment so as to control the lamp equipment through a control command.

The beneficial effects of the utility model reside in that, the control signal that dimming signal conversion equipment produced serial port signal, PWM signal, contact signal, alternating current signal and DALI signal sends to wireless module, and wireless module selects the control command that corresponds with control signal in the control command of reserving according to control signal, controls lighting apparatus's switch, and characteristics such as luminance have realized the unified processing of signal to and lighting apparatus's intelligent control.

Drawings

Fig. 1 is a schematic block diagram of a dimming system according to an embodiment of the present invention;

fig. 2 is a circuit diagram of an ac signal module of the dimming signal conversion apparatus according to an embodiment of the present invention;

fig. 3 is a circuit diagram of a PWM module of the dimming signal conversion apparatus according to an embodiment of the present invention;

the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, an embodiment of the present invention provides a light modulation system, which includes a light modulation signal conversion device, and the light modulation signal conversion device is electrically connected to a lighting apparatus 20 to control the lighting apparatus.

The dimming signal conversion device includes a wireless module 10, a serial port signal module 11, a PWM (Pulse width modulation) signal module 12, a contact signal module 13, an ac signal module 14, and a DALI (Digital Addressable Lighting Interface) signal module 15; the serial port signal module 11 is used for being electrically connected with a serial port signal port, the PWM signal module 12 is used for being electrically connected with the PWM signal port and converting a PWM signal into a digital signal, the contact signal module 13 is used for being connected with a contact signal transmitting end, the ac signal module 14 is used for being connected with an ac signal transmitting end and converting an ac signal into a digital signal, and the DALI signal module 15 is used for being electrically connected with a DALI signal transmitting end and converting an ac signal into a digital signal; the serial port signal module 11, the PWM signal module 12, the contact signal module 13, the ac signal module 14, and the DALI signal module 15 are all electrically connected to the wireless module 10, and the wireless module 10 recognizes signals converted by the serial port signal module 11, the PWM signal module 12, the contact signal module 13, the ac signal module 14, or the DALI signal module 15, and sends corresponding control instructions to the lighting apparatus 20.

In this embodiment, the wireless module 10 receives and recognizes the control signal processed by the signal module, and sends a control instruction of the recognized control signal to the lighting apparatus 20, so as to remotely control the lighting apparatus 20. It can be understood that the serial port signal module 11, the PWM signal module 12, the contact signal module 13, the ac signal module 14, and the DALI signal module 15 correspond to different types of control signal modules, respectively. Specifically, the serial port signal module 11 is configured to connect to a serial port channel of a computer, and receive and process a control signal of a serial port of the computer, so as to send the control signal to the wireless module 10 for identification. The PWM signal module 12 is configured to receive a PWM control signal of 0-10V or 1-10V and convert the PWM signal into a digital signal, identify a duty ratio of the PWM control signal by the wireless module 10 to generate a corresponding control instruction, and send the control instruction to control the illumination brightness of the lighting fixture 20. The contact signal module 13 is configured to be electrically connected to the contact signal transmitter, detect the level of the contact signal control circuit, send the detection result to the wireless module 10 for identification, and send a corresponding control instruction to control the switch of the lighting device 20. The ac signal module 14 is configured to detect an input mains voltage control signal, convert the voltage control signal into a digital signal, and identify a control instruction corresponding to the voltage control signal by the wireless module 10 to generate a control instruction to control the lighting device 20. The DALI signal module 15 is electrically connected with the DALI signal module, receives the DALI control signal, and the wireless module 10 recognizes the control signal to generate a corresponding control instruction, and sends the control instruction to the lighting device 20 to perform lighting control. Specifically, the wireless module 10 includes a bluetooth unit or a ZigBee (ZigBee) unit. In this embodiment, the wireless module 10 includes a CC2530 chip, and the CC2530 chip can implement ZigBee communication, so as to implement communication connection with the lighting device 20. Specifically, different control instructions corresponding to different control signals are preset in the wireless module 10, and according to the control signal sent by the signal module, different control instructions are selected to be sent to control the lighting fixture 20.

Preferably, the ac signal module 14 includes a voltage reduction circuit, a voltage regulation circuit, and a level conversion circuit; the voltage reduction circuit is electrically connected with a signal source of an alternating current signal, the voltage reduction circuit, the voltage stabilizing circuit and the level conversion circuit are electrically connected in sequence, and the level conversion circuit is electrically connected with the wireless module 10 so as to convert the alternating current signal accessed by the voltage reduction circuit into a level signal after voltage reduction and voltage stabilization processing, and the level signal is identified by the wireless module 10 and sends a corresponding control instruction to the lamp device 20.

In this embodiment, please refer to fig. 2, the ac signal module 14 is connected to the commercial power 220V, and the voltage value of the control signal needs to be reduced to an appropriate voltage signal that can be received by the wireless module 10 through the voltage reduction circuit, and then the voltage is further stabilized through the voltage stabilizing circuit. Specifically, the voltage reduction circuit comprises a first resistor R1 and an electrolytic capacitor EC1, one end of the first resistor R1 is electrically connected to a signal source LS _ IN of an alternating current signal, one end of the electrolytic capacitor EC1 is connected between the first resistor R1 and the alternating current signal LS _ IN, and the other end of the electrolytic capacitor EC1 is grounded to perform voltage reduction processing on the input alternating current signal; the voltage stabilizing circuit comprises a first voltage stabilizing diode D1, a second voltage stabilizing diode D2, a second resistor R2, a fifth resistor R3 and a capacitor C1; one end of the cathode of the first voltage-stabilizing diode is electrically connected with the other end of the first resistor R1, one end of the anode of the first voltage-stabilizing diode D1 is electrically connected with the capacitor C1, and the other end of the capacitor C1 is grounded; one end of the second resistor R2 is connected between the first resistor R1 and the first voltage-stabilizing diode D1, and the other end of the second resistor R2 is grounded; one end of the fifth resistor R3 is connected between the first zener diode D1 and the capacitor C1, and the other end of the fifth resistor R3 is connected to the level shift circuit; one end of the cathode of the second zener diode D2 is connected between the fifth resistor R3 and the level conversion circuit, and one end of the anode of the second zener diode D2 is grounded. The resistance of the first resistor R1 is 100K, the resistance of the second resistor R2 is 100K, the resistance of the fifth resistor R3 is 10K, and the electrolytic capacitor EC1 is 2.2 muF. The control signal subjected to the voltage stabilization processing is sent to the level conversion circuit, converted into a high-low level signal, and according to the high-low level signal, the wireless module 10 generates a control instruction of the lighting apparatus 20 to control the illumination intensity of the lighting apparatus 20.

Preferably, the level shift circuit includes a MOS transistor Q1 and a photo coupler U, the gate of the MOS transistor Q1 is connected to the cathode of the second zener diode, and the source and drain of the MOS transistor Q1 are connected to ground and the photo coupler U; the collector of the photocoupler U is connected to the wireless module 10.

In this embodiment, a voltage control signal for reducing and stabilizing voltage is input to the gate of the MOS transistor Q1, so that the MOS transistor Q1 is turned on, the MOS transistor Q1 is turned on, so that the pin 2 of the photoelectric coupler U is turned on, and then the pin 4 of the photoelectric coupler U generates a high level, and the wireless module 10 receives the high and low level signal of the photoelectric coupler U, generates a control command, and transmits the control command to the user terminal through ZigBee or bluetooth. The pin 1 of the photoelectric coupler U is also connected with a resistor R10, the resistance of the resistor R10 is 4.7K, and the resistor R10 is also connected with a power supply; a resistor R11 is further connected between the pin 4 of the photoelectric coupler U and the wireless module 10, the resistance of the resistor R1 is 4.7K, and the resistor R11 is further connected with a power supply.

Preferably, the DALI signal module 15 includes a second resistor R4 and a transistor Q2, one end of the second resistor R4 is electrically connected to a DALI _ PWM signal source of the DALI signal, the other end of the second resistor R4 is electrically connected to a base of the transistor Q2, a collector of the transistor Q2 is electrically connected to the wireless module 10, and an emitter of the transistor Q2 is grounded.

In this embodiment, referring to fig. 3, the DALI control signal is PWM, and the conduction characteristic of the transistor Q2 is utilized to change the PWM duty ratio, so that the wireless module 10 selects a corresponding control command to control the lighting device 20 according to the change of the duty ratio. Specifically, a sixth resistor R6, a seventh resistor R7, an eighth resistor R8, and a ninth resistor R9 are connected in series, a collector of the transistor Q2 is connected between the sixth resistor R6 and the seventh resistor R7, and the other end of the ninth resistor R9 is connected to the wireless module 10. One end of the tenth resistor R5 is connected to the power supply, the other end is connected to the cathode of the third zener diode D3, and the sixth resistor R6 is connected between the tenth resistor R5 and the third zener diode D3 to provide power for the DALI signal module 15. One end of the capacitor C2 is connected between the seventh resistor R7 and the eighth resistor R8, the capacitor C3 is connected between the eighth resistor R8 and the ninth resistor R9, and one end of the capacitor C4 is connected between the ninth resistor R9 and the wireless module 10, so as to achieve the voltage stabilizing effect. Wherein, the resistance of the sixth resistor R6 is 1K, the resistance of the seventh resistor R7 is 1K, the resistance of the eighth resistor R8 is 2K, and the resistance of the ninth resistor R9 is 2K; the capacitance values of the capacitor C2, the capacitor C3 and the capacitor C4 are all 10 muF.

Preferably, the serial signal module 11 includes an ascil (American Standard Code for information exchange) conversion unit, one end of the ascil conversion unit is electrically connected to the serial signal port to convert the computer signal of the serial signal into a digital signal; the other end of the ASCLL conversion unit is electrically connected with the wireless module 10 to send the converted serial port signal.

Specifically, the ASCLL conversion unit is connected to the computer, converts an ASCLL code output by the computer into a digital signal, transmits the digital signal to the wireless module 10, and generates a corresponding control instruction by the wireless module 10 to send a control command to the lighting fixture 20.

Preferably, the dimming signal conversion device further comprises a dc conversion module, and the dc conversion module is electrically connected to an ac power of an external power supply to convert an accessed ac power into a dc power; the direct current conversion module is electrically connected with the wireless module 10, the serial port signal module 11, the PWM signal module 12, the contact signal module 13, the alternating current signal module 14 and the DALI signal module 15, so as to respectively provide direct current power for the wireless module 10, the serial port signal module 11, the PWM signal module 12, the contact signal module 13, the alternating current signal module 14 and the DALI signal module 15.

In the above embodiment, the dimming signal conversion apparatus sends the serial port signal, the PWM signal, the contact signal, the ac signal and the control signal generated by the DALI signal to the wireless module 10, and the wireless module 10 selects the control instruction corresponding to the control signal from the reserved control instructions according to the control signal, so as to control the characteristics of the lighting equipment 20, such as on/off and brightness, and thus, the signal is processed uniformly and the lighting equipment 20 is controlled intelligently.

It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.

The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims (10)

1. A dimming signal conversion device is applied to control of lamp equipment and is characterized by comprising a wireless module, a serial port signal module, a PWM (pulse-width modulation) signal module, a contact signal module, an alternating current signal module and a DALI (digital addressable lighting interface) signal module; the device comprises a serial port signal module, a PWM signal module, a contact signal emitting end, an alternating current signal module, a DALI signal module and a DALI signal receiving end, wherein the serial port signal module is used for being electrically connected with a serial port signal port and converting a serial port signal into a digital signal, the PWM signal module is used for being electrically connected with the PWM signal port and converting a PWM signal into a digital signal, the contact signal module is used for being connected with the contact signal emitting end, the alternating current signal module is used for being connected with the alternating current signal emitting end and converting an alternating current signal into a digital signal; the serial port signal module, the PWM signal module, the contact signal module, the alternating current signal module and the DALI signal module are all electrically connected with the wireless module; the wireless module identifies the control signals converted by the serial port signal module, the PWM signal module, the contact signal module, the alternating current signal module or the DALI signal module, and sends the control instructions of the identified control signals to the lamp equipment.

2. The apparatus of claim 1, wherein the ac signal module comprises a voltage step-down circuit, a voltage stabilizing circuit, and a level conversion circuit; the voltage reduction circuit is electrically connected with a signal source of an alternating current signal, the voltage reduction circuit, the voltage stabilizing circuit and the level conversion circuit are electrically connected in sequence, and the level conversion circuit is electrically connected with the wireless module so as to convert the alternating current signal accessed by the voltage reduction circuit into a level signal after voltage reduction and voltage stabilization processing and identify and send a corresponding control instruction to the lamp equipment by the wireless module.

3. The dimming signal conversion device according to claim 2, wherein the voltage-reducing circuit comprises a first resistor and an electrolytic capacitor, one end of the first resistor is electrically connected to a signal source of the ac signal, one end of the electrolytic capacitor is connected between the first resistor and the ac signal input terminal, and the other end of the electrolytic capacitor is grounded to reduce the voltage of the input ac signal.

4. The apparatus according to claim 3, wherein the voltage regulator circuit comprises a first zener diode, a second resistor, a third resistor, and a capacitor; one end of the cathode of the first voltage-stabilizing diode is electrically connected with the other end of the first resistor, one end of the anode of the first voltage-stabilizing diode is electrically connected with the capacitor, and the other end of the capacitor is grounded; one end of the second resistor is connected between the first voltage stabilizing diodes of the first resistor, and the other end of the second resistor is grounded; one end of the third resistor is connected between the first voltage stabilizing diode and the capacitor, and the other end of the third resistor is connected to the level conversion circuit; one end of the cathode of the second voltage stabilizing diode is connected between the third resistor and the level conversion battery, and one end of the anode of the second voltage stabilizing diode is grounded.

5. The device according to claim 4, wherein the level shift circuit comprises an MOS transistor and an opto-coupler, a gate of the MOS transistor is connected to a cathode of the second zener diode, a source of the MOS transistor is grounded, and a drain of the MOS transistor is connected to the opto-coupler; and the collector of the photoelectric coupler is connected with the wireless module.

6. The apparatus according to claim 1, wherein the DALI signal module comprises a second resistor and a transistor, one end of the second resistor is electrically connected to a signal source of the DALI signal, the other end of the second resistor is electrically connected to a base of the transistor, a collector of the transistor is electrically connected to the wireless module, and an emitter of the transistor is grounded.

7. The dimming signal conversion device according to claim 1, further comprising an ac/dc conversion module electrically connected to an ac power of an external power source to convert the input ac power into dc power; the direct current conversion module is respectively and electrically connected with the wireless module, the serial port signal module, the PWM signal module, the contact signal module, the alternating current signal module and the DALI signal module so as to convert the accessed alternating current electric energy into direct current electric energy to respectively provide electric energy for the wireless module, the serial port signal module, the PWM signal module, the contact signal module, the alternating current signal module and the DALI signal module.

8. The dimming signal conversion device according to claim 1, wherein the serial signal module comprises an ASCLL conversion unit, one end of the ASCLL conversion unit is electrically connected with the serial signal port to convert a computer signal of the serial signal into a digital signal; the other end of the ASCLL conversion unit is electrically connected with the wireless module so as to send the converted serial port signal.

9. The dimming signal conversion device according to claim 1, wherein the wireless module comprises a bluetooth unit or a ZigBee unit.

10. A dimming system, comprising a dimming signal conversion device according to any one of claims 1 to 9, wherein the dimming signal conversion device is configured to be electrically connected to a lighting apparatus to control the lighting apparatus according to the control command.

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