A single-fireline thyristor wireless intelligent dimmer

Abstract

The present invention discloses and provides a single-live-wire thyristor wireless intelligent dimmer. The device comprises a single-live-wire input (1), a single-live-wire output (2), an AC / DC circuit (3), a rectifier bridge (4), a frequency / zero point detection circuit (5), a chopping dimming circuit (6), an overload protection circuit (7), a single-chip computer minimum system (8), an input device (9), a brightness display circuit (10), a minimum chopping value setting circuit (11), a chopping phase selection circuit (12), and an RF transceiver circuit (13). The single-live-wire power supply mode can maintain the normal operation of the entire system, and overcome the problem of insufficient maintenance current caused by wireless transceiver, which makes the entire system unable to work normally. The device can automatically identify and adapt to 50HZ or 60HZ alternating current, can select a chopping phase (front edge or rear edge chopping), is more compatible with the control of other power supplies, can set a minimum chopping value, has overload protection and brightness display percentage, and has good technical and practical properties.

Description

Technical Field

[0001] The present invention relates to a control technology for single-live-wire power supply and wireless control of thyristor dimming, and in particular to a single-live-wire thyristor wireless intelligent dimmer that uses a single-live-wire power supply to maintain the power supply of the entire controller and wirelessly controls thyristor dimming. Background Art

[0002] With the development of LED lighting technology, new thyristor dimmer products are emerging, and at the same time, newer requirements are put forward for thyristor dimmers. Single live wire power supply and wireless control dimming will become the future development direction.

[0003] Most thyristor dimmer products on the market currently have one or more of the following problems:

[0004] 1. The control scheme of thyristor can only perform leading edge phase dimming;

[0005] 2. You cannot choose leading edge dimming or trailing edge dimming, which is not compatible with adjustable lamps;

[0006] 3. It is not a single live wire power supply, single input and single output wiring method;

[0007] 4. Cannot automatically identify 50HZ or 60HZ AC power (some foreign mains electricity is 50HZ or 60HZ mains electricity);

[0008] 5. No overload protection function;

[0009] 6. There is no minimum brightness setting;

[0010] 7. The current brightness percentage is not displayed;

[0011] 8. Wireless control cannot be achieved by taking power from a single live wire.

[0012] In summary, most thyristor dimmer products currently on the market cannot directly achieve single-live-wire power supply and wireless dimming control, so the present invention provides a single-live-wire thyristor wireless intelligent dimmer. Summary of the invention

[0013] The problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a single-live-wire thyristor wireless intelligent dimmer.

[0014] The technical solution adopted by the present invention is: a single-live-wire thyristor wireless intelligent dimmer, which includes a single-live-wire input, a single-live-wire output, an AC / DC circuit, a rectifier bridge, a frequency / zero point detection circuit, a chopping dimming circuit, an overload protection circuit, a single-chip minimum system, an input device, a brightness display circuit, a minimum chopping value setting circuit, a chopping phase selection circuit, and an RF transceiver circuit. The single-live-wire input is connected to the rectifier bridge, the single-live-wire output is connected to the overload protection circuit, the AC / DC circuit is connected to the rectifier bridge, the overload protection circuit, the single-chip minimum system, the input device, the brightness display circuit, the minimum chopping value setting circuit, the chopping phase selection circuit, and the RF transceiver circuit. The bridge rectifier is connected to the frequency / zero point detection circuit and the chopping dimming circuit, the frequency / zero point detection circuit is connected to the single-chip minimum system, the chopping dimming circuit is connected to the overload protection circuit and the single-chip minimum system, the overload protection circuit is connected to the single-chip minimum system, the input device, the brightness display circuit, the minimum chopping value setting circuit, the chopping phase selection circuit, and the RF transceiver circuit, the single-chip minimum system is connected to the input device, the brightness display circuit, the minimum chopping value setting circuit, the chopping phase selection circuit, and the RF transceiver circuit.

[0015] The single live wire input and single live wire output are both suitable for 50HZ or 60HZ alternating current. The rectifier bridge includes a rectifier stack or a diode, which can convert the 50HZ or 60HZ alternating current from a sine wave to a steamed wave. The AC / DC circuit provides working power for the machine, and includes an integrated AC / DC chip or an AC / DC function implemented by discrete components. The frequency / zero point detection circuit is used to identify the frequency of the input alternating current and the zero point judgment, and has a high and low level or ADC detection function. The chopper dimming circuit includes a chopper dimming photoelectric device with MOS or IGBT as the thyristor part. The overload protection circuit is a protection circuit for preventing the machine from overloading, including high and low levels or ADC detection, the single-chip computer minimum system is used for data acquisition, calculation, processing and control, the input device obtains operation input including a key module or a touch module, the brightness display circuit is used to display the current brightness percentage, the minimum chopping value setting circuit includes a dip switch or a potentiometer to set the minimum chopping value, the chopping phase selection circuit includes a dip switch or a potentiometer to select the phase of the leading edge chopping or the trailing edge chopping, and the RF transceiver circuit includes infrared and Bluetooth, which serves as the intelligent control of wireless transceiver.

[0016] The beneficial effects of the present invention are as follows: since the present invention includes a single live wire input, a single live wire output, an AC / DC circuit, a rectifier bridge, a frequency / zero point detection circuit, a chopping dimming circuit, an overload protection circuit, a single-chip computer minimum system, an input device, a brightness display circuit, a minimum chopping value setting circuit, a chopping phase selection circuit, and an RF transceiver circuit, the single live wire power supply method can maintain the normal operation of the entire system, and overcome the problem of insufficient maintenance current caused by wireless transceiver causing the entire system to not work properly. The chopping phase (leading edge or trailing edge chopping) can be selected, and the control of other power supplies can be better compatible. The minimum chopping value can be set, and the system has overload protection and brightness display percentage, etc., and the system has better technicality and practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic block diagram of the circuit structure of the present invention;

[0018] Figure 2 It is a schematic diagram of the principle of the single live wire input circuit of the present invention;

[0019] Figure 3 It is a schematic diagram of the single live wire output circuit principle of the present invention;

[0020] Figure 4 It is a schematic diagram of the AC / DC circuit principle of the present invention;

[0021] Figure 5 It is a schematic diagram of the rectifier bridge circuit principle of the present invention;

[0022] Figure 6 It is a schematic diagram of the principle of the frequency / zero point detection circuit of the present invention;

[0023] Figure 7 It is a schematic diagram of the principle of the chopper dimming circuit of the present invention;

[0024] Figure 8 This is a schematic diagram of the overload protection circuit principle of the present invention.

[0025] Fig. 9 It is a schematic diagram of the circuit principle of the single chip microcomputer minimum system of the present invention;

[0026] Fig.10 It is a schematic diagram of the circuit principle of the input device of the present invention;

[0027] Fig.11 It is a schematic diagram of the brightness display circuit principle of the present invention;

[0028] Fig.12 It is a schematic diagram of the principle of the minimum chopping value setting circuit of the present invention;

[0029] Fig.13 It is a schematic diagram of the principle of the chopper phase selection circuit of the present invention;

[0030] Fig.14 It is a schematic diagram of the principle of the RF transceiver circuit of the present invention. DETAILED DESCRIPTION

[0031] like Figures 1 to 14 As shown, a single-live-wire thyristor wireless intelligent dimmer includes a single-live-wire input 1, a single-live-wire output 2, an AC / DC circuit 3, a rectifier bridge 4, a frequency / zero point detection circuit 5, a chopping dimming circuit 6, an overload protection circuit 7, a single-chip minimum system 8, an input device 9, a brightness display circuit 10, a minimum chopping value setting circuit 11, a chopping phase selection circuit 12, and an RF transceiver circuit 13. The single-live-wire input 1 is connected to the rectifier bridge 4, the single-live-wire output 2 is connected to the overload protection circuit 7, the AC / DC circuit 3 is connected to the rectifier bridge 4, the overload protection circuit 7, the single-chip minimum system 8, the input device 9, the brightness display circuit 10, the minimum chopping value setting circuit 11, the chopping phase selection circuit 12, and the RF transceiver circuit 13. The rectifier bridge 4 is connected to the frequency / zero point detection circuit 5 and the chopping dimming circuit 6, the frequency / zero point detection circuit 5 is connected to the single-chip minimum system 8, the chopping dimming circuit 6 is connected to the overload protection circuit 7 and the single-chip minimum system 8, the overload protection circuit 7 is connected to the single-chip minimum system 8 and the input device 9), the brightness display circuit 10, the minimum chopping value setting circuit 11, the chopping phase selection circuit 12, and the RF transceiver circuit 13, the single-chip minimum system 8 is connected to the input device 9, the brightness display circuit 10, the minimum chopping value setting circuit 11, the chopping phase selection circuit 12, and the RF transceiver circuit 13.

[0032] The single live wire input 1 and the single live wire output 2 are both suitable for 50HZ or 60HZ alternating current. The rectifier bridge 4 includes a rectifier stack or a diode, which can convert the 50HZ or 60HZ alternating current from a sine wave to a steamed bun wave. The AC / DC circuit 3 provides working power for the machine, and it includes an integrated AC / DC chip or an AC / DC function implemented by discrete components. The frequency / zero point detection circuit 5 is used to identify the frequency of the input alternating current and the zero point judgment, and has a high and low level or ADC detection function. The chopper dimming circuit 6 includes a chopper dimming circuit with MOS or IGBT as the thyristor part. The overload protection circuit 7 is a protection circuit to prevent the machine from overloading, including high and low levels or ADC detection. The single-chip minimum system 8 is used for data acquisition, calculation, processing and control. The input device 9 obtains the operation input including a key module or a touch module. The brightness display circuit 10 is used to display the current brightness percentage. The minimum chopping value setting circuit 11 includes a dip switch or a potentiometer to set the minimum chopping value. The chopping phase selection circuit 12 includes a dip switch or a potentiometer to select the phase of the leading edge chopping or the trailing edge chopping. The RF transceiver circuit 13 includes infrared and Bluetooth, and the frequencies are 433M and 2.4G respectively, which serves as the intelligent control of wireless transceiver.

[0033] In this embodiment, the single live wire power supply method can maintain the normal operation of the entire system and overcome the problem of insufficient maintenance current caused by wireless transmission and reception that causes the entire system to fail to work normally. The chopping phase (leading edge or trailing edge chopping) can be selected to be more compatible with the control of other power supplies. The minimum chopping value can be set, and it has overload protection and brightness display percentage, etc., and has better technicality and practicality.

Claims

1. A single-live-wire thyristor wireless intelligent dimmer, characterized in that: It comprises a single live wire input (1), a single live wire output (2), an AC / DC circuit (3), a rectifier bridge (4), a frequency / zero point detection circuit (5), a chopping dimming circuit (6), an overload protection circuit (7), a single-chip computer minimum system (8), an input device (9), a brightness display circuit (10), a minimum chopping value setting circuit (11), a chopping phase selection circuit (12), and an RF transceiver circuit (13). The single live wire input (1) is connected to the rectifier bridge (4), the single live wire output (2) is connected to the overload protection circuit (7), the AC / DC circuit (3) is connected to the rectifier bridge (4), the overload protection circuit (7), the single-chip computer minimum system (8), the input device (9), the brightness display circuit (10), the minimum chopping value setting circuit (11), the chopping phase selection circuit (12), and the RF transceiver circuit (13). 12), an RF transceiver circuit (13), the rectifier bridge (4) is connected to the frequency / zero point detection circuit (5) and the chopping dimming circuit (6), the frequency / zero point detection circuit (5) is connected to the single-chip minimum system (8), the chopping dimming circuit (6) is connected to the overload protection circuit (7) and the single-chip minimum system (8), the overload protection circuit (7) is connected to the single-chip minimum system (8), an input device (9), a brightness display circuit (10), a minimum chopping value setting circuit (11), a chopping phase selection circuit (12), and an RF transceiver circuit (13), and the single-chip minimum system (8) is connected to the input device (9), the brightness display circuit (10), the minimum chopping value setting circuit (11), the chopping phase selection circuit (12), and the RF transceiver circuit (13).

2. The single-live-wire thyristor wireless intelligent dimmer according to claim 1 is characterized in that: The single live wire input (1) and the single live wire output (2) are both suitable for 50 Hz or 60 Hz alternating current. The rectifier bridge (4) includes a rectifier stack or a diode, which can convert the 50 Hz or 60 Hz alternating current from a sine wave to a steamed wave. The AC / DC circuit (3) provides working power for the machine, and includes an integrated AC / DC chip or an AC / DC function implemented by discrete components. The frequency / zero point detection circuit (5) is used to identify the frequency of the input alternating current and the zero point judgment, and has a high and low level or ADC detection function. The chopper dimming circuit (6) includes a chopper dimming circuit with MOS or IGBT as the thyristor part. The overload protection circuit (7) is a protection circuit for preventing the machine from overloading, including high and low levels or ADC detection. The single-chip computer minimum system (8) is used for data acquisition, calculation and processing. The input device (9) obtains the operation input and includes a key module or a touch module. The brightness display circuit (10) is used to display the current brightness percentage. The minimum chopping value setting circuit (11) includes a dip switch or a potentiometer for setting the minimum chopping value. The chopping phase selection circuit (12) includes a dip switch or a potentiometer for selecting the phase of the leading edge chopping or the trailing edge chopping. The RF transceiver circuit (13) includes infrared and Bluetooth, and serves as an intelligent control of wireless transceiver.

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