WO2019206263A1 - 一种智能灯控系统及其闪断开关检测电路 - Google Patents

一种智能灯控系统及其闪断开关检测电路 Download PDF

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Publication number
WO2019206263A1
WO2019206263A1 PCT/CN2019/084483 CN2019084483W WO2019206263A1 WO 2019206263 A1 WO2019206263 A1 WO 2019206263A1 CN 2019084483 W CN2019084483 W CN 2019084483W WO 2019206263 A1 WO2019206263 A1 WO 2019206263A1
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Prior art keywords
circuit
resistor
control circuit
switch
power
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PCT/CN2019/084483
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English (en)
French (fr)
Inventor
孙胜利
魏巍
姜兆宁
刘达平
Original Assignee
青岛亿联客信息技术有限公司
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Priority claimed from CN201810384211.8A external-priority patent/CN108684116A/zh
Application filed by 青岛亿联客信息技术有限公司 filed Critical 青岛亿联客信息技术有限公司
Publication of WO2019206263A1 publication Critical patent/WO2019206263A1/zh

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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/105—Controlling the light source in response to determined parameters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection

Definitions

  • the present application relates to the field of circuit switching technologies, and in particular, to an intelligent light control system and a flash switch detection circuit thereof.
  • a flash switch is a switch that only causes the circuit to flash when it is touched, and does not always cut off the power of the circuit. It only temporarily de-energizes the circuit or drops the voltage, and then the circuit voltage is restored to the touch. The previous state.
  • the purpose of the present application is to provide an intelligent light control system and a flash switch detection circuit thereof for detecting a switching action of a flash switch by a voltage change, thereby adjusting an operating state of the smart light.
  • the present application discloses a flash switch detection circuit, including a rectification filter circuit, a detection circuit, a DC-DC converter, and a control circuit;
  • An input end of the rectifying and filtering circuit is connected to an alternating current power source through a flashing switch, and an output end of the rectifying and filtering circuit is connected to an input end of the detecting circuit and an input end of the DC-DC converter, and Rectifying and filtering the input alternating current to output a DC bus voltage;
  • An output end of the detecting circuit is connected to the first AD input end of the control circuit, and is configured to sample the DC bus voltage to detect a switching action of the flash switch, generate and output a flash detection signal to the Control circuit
  • An output end of the DC-DC converter is connected to a power supply end of the control circuit for supplying power to the control circuit;
  • the control circuit is configured to determine a switch state of the flash switch according to the flash detection signal.
  • the detecting circuit includes a first resistor and a second resistor
  • One end of the first resistor is connected to an output end of the rectifying and filtering circuit, and the other end is respectively connected to one end of the second resistor and a first AD input end of the control circuit; One end is grounded.
  • the detecting circuit further includes a first capacitor connected in parallel with the second resistor.
  • the method further includes distinguishing the circuit
  • An input end of the distinguishing circuit is connected to an output end of the rectifying and filtering circuit, and an output end of the distinguishing circuit is connected to a second AD input end of the control circuit for delay sampling the DC bus voltage
  • a power-off detection signal is generated and outputted to the control circuit, and the control circuit distinguishes the flashing and power-off of the alternating current.
  • the distinguishing circuit includes a diode, a third resistor, a fourth resistor, and a second capacitor;
  • An anode of the diode is connected to an output end of the rectifying and filtering circuit, a cathode is connected to one end of the third resistor, and another end of the third resistor is respectively connected to one end of the fourth resistor and the second capacitor
  • One end of the control circuit is connected to the second AD input terminal; the other end of the fourth resistor and the other end of the second capacitor are both grounded.
  • the method further includes distinguishing the circuit
  • An input end of the distinguishing circuit is connected to an output end of the DC-DC converter, and an output end of the distinguishing circuit is connected to a second AD input end of the control circuit for extending the DC bus voltage Time sampling to detect the power-off phenomenon of the alternating current, generating and outputting a power-off detection signal to the control circuit, and the control circuit distinguishes the flashing and power-off of the alternating current.
  • the distinguishing circuit includes a third resistor, a fourth resistor, and a second capacitor;
  • One end of the third resistor is connected to an output end of the DC-DC converter, and the other end is respectively connected to one end of the fourth resistor, one end of the second capacitor, and a second input end of the control circuit.
  • the other end of the fourth resistor and the other end of the second capacitor are both grounded.
  • a capacitance of the second capacitor is greater than a capacitance of the first capacitor.
  • the present application further discloses an intelligent light control system including a flash switch, a driving circuit, a lamp group, and any of the flash switch detecting circuits described above;
  • An input end of the flash switch detecting circuit is connected to an alternating current power source through the flash switch; a power supply end of the driving circuit is connected to an output end of the rectifying and filtering circuit, an input end of the driving circuit and the control An output of the circuit is coupled, the output of the drive circuit being coupled to the input of the set of lights for driving the set of lights in accordance with a control command sent by the control circuit.
  • the input end of the driving circuit and the output end of the control circuit are communicably connected through a wireless communication unit; the driving circuit is specifically configured to adjust the light group according to a wireless control command sent by the control circuit Working status.
  • the flash switch detection circuit comprises a rectification filter circuit, a detection circuit, a DC-DC converter and a control circuit; the input end of the rectification filter circuit is used for connecting with an AC power source through a flash switch, the rectification filter An output of the circuit is coupled to the input of the detection circuit and the input of the DC-DC converter for rectifying and filtering the input alternating current to output a DC bus voltage; the output of the detection circuit is The first AD input end of the control circuit is connected to sample the DC bus voltage to detect a switching action of the flash switch, generate and output a flash detection signal to the control circuit; An output end of the DC converter is connected to a power supply end of the control circuit for supplying power to the control circuit; and the control circuit is configured to determine a switch state of the flash switch according to the flash detection signal.
  • the flash switch detection circuit uses the detection circuit to sample the DC bus voltage outputted by the rectifier filter circuit according to the voltage drop and rebound phenomenon during the flashing process of the flash switch, and utilizes the AD conversion of the control circuit.
  • the function performs voltage magnitude analysis, which can effectively determine the switching state of the flashing switch and identify the switching action of the flashing switch, so as to adjust the working state of the powered device based on the switching action of the flashing switch.
  • the intelligent light control system provided by the present application includes the above-described flash switch detection circuit, which also has the above beneficial effects.
  • FIG. 1 is a circuit block diagram of a flash switch detection circuit disclosed in the present application.
  • FIG. 2 is a circuit structural diagram of a detecting circuit disclosed in the present application.
  • FIG. 3 is a circuit block diagram of still another flash switch detection circuit disclosed in the present application.
  • FIG. 4 is a circuit structural diagram of the distinguishing circuit of FIG. 3 disclosed in the present application.
  • FIG. 5 is a circuit block diagram of still another flash switch detecting circuit disclosed in the present application.
  • FIG. 6 is a circuit structural diagram of the distinguishing circuit of FIG. 5 disclosed in the present application.
  • FIG. 7 is a circuit block diagram of an intelligent light control system disclosed in the present application.
  • the core of the application is to provide an intelligent light control system and a flash switch detection circuit for detecting the switching action of the flash switch by voltage change, thereby adjusting the working state of the smart light.
  • the flash switch can be a circuit switch that only flashes the circuit and then recovers after being touched.
  • the one-time switching operation of the flash switch will perform two switching of the state-initiated circuit on/off state: that is, when the flash switch is touched, the circuit is switched from the on state to the off state, and the voltage is made. Drop or power off; and when the flash switch is released at the end of the touch, the circuit switches to the on state, so that the voltage rises back, or the flash switch can be internally set with an automatic timed rebound structure. After the open time reaches the preset fixed duration, the circuit is automatically switched to the on state. Since the entire process of the circuit is turned off and turned on for a short period of time, the flash switch will cause a flash of the circuit each time it is touched.
  • an embodiment of the present application discloses a flash switch detection circuit, which mainly includes a rectification filter circuit, a detection circuit, a DC-DC converter, and a control circuit.
  • the input end of the rectifying and filtering circuit is connected to the AC power source through a flashing switch, and the output end of the rectifying and filtering circuit is connected to the input end of the detecting circuit and the input end of the DC-DC converter for rectifying the input alternating current and Filtering to output a DC bus voltage;
  • the output of the detection circuit is connected to the first AD input of the control circuit for sampling the DC bus voltage to detect the switching action of the flash switch, generating and outputting a flash detection signal to the control circuit
  • the output end of the DC-DC converter is connected to the power supply end of the control circuit for supplying power to the control circuit; the control circuit is configured to determine the switching state of the flash switch according to the flash detection signal.
  • the flash switch can control the access and disconnection of the alternating current: when the flash switch is touched, the flash switch is turned off, and the alternating current is cut off; after the flashing, the flash switch is automatically closed and the alternating current is re-accessed.
  • the rectifying and filtering circuit comprises a rectifying circuit and a filtering circuit for rectifying and filtering the alternating current input through the flashing switch, wherein the rectified and obtained DC ripple voltage comprises a DC voltage component and an AC voltage component, and the AC voltage component can be filtered by filtering.
  • the DC bus voltage value is high, and it is not suitable for directly supplying power to the control circuit. Therefore, it is necessary to use a DC-DC converter to perform voltage conversion on the DC bus voltage to obtain a stable voltage supply voltage as a control circuit. powered by.
  • the control circuit includes a microprocessor or associated electronic device integrated with a microprocessor and has an AD conversion function; the microprocessor includes an MCU or a DSP or the like.
  • the control circuit may further include a wireless module to transmit a wireless control command for regulating the working state of the smart light through the wireless module after detecting the switching action of the flash switch.
  • the detection circuit samples and monitors the DC bus voltage, and inputs the sampling signal, that is, the flash detection signal, to the first AD input end of the control circuit, and through the AD conversion and analysis of the flash detection signal, the control circuit can obtain the flash switch.
  • the switch state determines the switching action of the flash switch.
  • the detecting circuit samples and monitors the DC bus voltage outputted by the rectifying and filtering circuit, and outputs the flashing detection signal to the control circuit, and the voltage of the flashing detection signal is directly related to the DC bus voltage.
  • the flash switch is touched and the AC power is cut off, the DC bus voltage will drop. Accordingly, the voltage of the flash detection signal will also drop; when the AC power is re-connected after the flash, the DC bus voltage will be A voltage rise phenomenon occurs, and accordingly, the voltage of the flash detection signal will also rise. Thereby, the switching state of the flashing switch can be obtained according to the voltage change of the flash detection signal, and the switching operation of the flashing switch is detected.
  • the flash switch detection circuit includes an input end of the rectification filter circuit for connecting to an AC power source through a flash switch, an output end of the rectification filter circuit and an input end of the detection circuit and an input end of the DC-DC converter Both are connected to rectify and filter the input AC to output the DC bus voltage; the output of the detection circuit is connected to the first AD input of the control circuit for sampling the DC bus voltage to detect the switch of the flash switch Acting to generate and output a flash detection signal to the control circuit; the output of the DC-DC converter is connected to the power supply end of the control circuit for supplying power to the control circuit; and the control circuit is configured to determine the flash switch according to the flash detection signal switch status.
  • the flash switch detection circuit uses the detection circuit to sample the DC bus voltage outputted by the rectifier filter circuit according to the voltage drop and rebound phenomenon during the flashing process of the flash switch, and utilizes the AD conversion of the control circuit.
  • the function performs voltage magnitude analysis, which can effectively determine the switching state of the flashing switch and identify the switching action of the flashing switch, so as to adjust the working state of the powered device based on the switching action of the flashing switch.
  • an embodiment of the present application discloses a circuit structure of a detection circuit.
  • the detecting circuit includes a first resistor R1 and a second resistor R2; one end of the first resistor R1 is connected to an output end of the rectifying and filtering circuit, and the other end is respectively connected to the second resistor One end of R2 is connected to the first AD input terminal of the control circuit; the other end of the second resistor R2 is grounded.
  • the detecting circuit in the embodiment detects the DC bus voltage by using a resistor divider circuit having a simple structure and low cost. It is easy to understand that the output of the flash detection signal is the voltage across the second resistor R2, and those skilled in the art can reasonably set the resistance value according to the actual application requirements.
  • the detecting circuit may further include a first capacitor C1 connected in parallel across the second resistor R2, so as to reduce the voltage ripple by the filtering action of the first capacitor C1, and improve the detection precision.
  • the capacitance of the first capacitor C1 should not be too large, so as to avoid the discharge phenomenon of the first capacitor C1 from affecting the accuracy of the voltage detection.
  • the first capacitor C1 can be specifically set to 100 nF.
  • the flash detection signal directly reflects the power-off phenomenon of the AC input in the circuit.
  • the control circuit recognizes the power-off phenomenon of the alternating current according to the voltage change of the flash detection signal, and is regarded as the switching action of the flash switch, but in actual use, the long-term power-off phenomenon of the power grid may flash.
  • the switching action detection of the switch causes interference. Therefore, the distinction between the two can be made by adding related circuits to further improve the accuracy of the detection result.
  • the embodiment of the present application discloses another flash switch detection circuit, including a rectification filter circuit, a detection circuit, a DC-DC converter, a control circuit, and a distinguishing circuit.
  • the input end of the rectifying and filtering circuit is connected to the AC power source through a flashing switch, and the output end of the rectifying and filtering circuit is connected to the input end of the detecting circuit and the input end of the DC-DC converter for rectifying the input alternating current and Filtering to output a DC bus voltage;
  • the output of the detection circuit is connected to the first AD input of the control circuit for sampling the DC bus voltage to detect the switching action of the flash switch, generating and outputting a flash detection signal to the control circuit
  • the output end of the DC-DC converter is connected to the power supply end of the control circuit for supplying power to the control circuit;
  • the control circuit is configured to determine the switching state of the flash switch according to the flash detection signal; distinguishing the input end of the circuit from the rectification and filtering circuit
  • the output terminal is connected, and the output end of the distinguishing circuit is connected with the second AD input end of the control circuit, and is used for delay sampling of the DC bus voltage to detect the power-off phenomenon of the alternating current, generating
  • the embodiment is further provided with a distinguishing circuit for identifying a long-term power failure of the power grid by delay sampling the DC bus voltage outputted by the rectifying and filtering circuit, and outputting the delayed sampling signal, that is, the power-off detecting signal, to the control circuit.
  • the second AD input terminal performs AD conversion and voltage magnitude analysis by the control circuit, so that the control circuit distinguishes the long-term power-off of the power grid from the short-term power-off, that is, the AC flashing phenomenon caused by the switching action of the flash switch.
  • the detecting circuit outputs a corresponding flashing detection signal to the control circuit for the control circuit to recognize.
  • the distinguishing circuit for delay sampling will output a corresponding power-off detection signal to the control circuit according to the length of the circuit disconnection time, so that the control circuit can cause the AC flashing phenomenon caused by the switching action of the flashing switch. Distinguish from the long-term power outage of the power grid.
  • the embodiment of the present application discloses a circuit structure of the distinguishing circuit in FIG. 3;
  • the distinguishing circuit includes a diode D, a third resistor R3, a fourth resistor R4, and a second capacitor C2; an anode of the diode D and The output of the rectifying and filtering circuit is connected, the cathode is connected to one end of the third resistor R3, and the other end of the third resistor R3 is respectively connected to one end of the fourth resistor R4, one end of the second capacitor C2 and the second AD input end of the control circuit.
  • the other end of the fourth resistor R4 and the other end of the second capacitor C2 are both grounded.
  • the distinguishing circuit in the embodiment uses a circuit composed of a resistor and a capacitor to perform delayed sampling detection on the DC bus voltage, which not only has a simple circuit structure but also has low cost.
  • the capacitance of the second capacitor C2 is greater than the capacitance of the first capacitor C1.
  • the second capacitor C2 is a large capacitance, for example, specifically of the order of ⁇ F or even F. Since the second capacitor C2 has a large capacitance value, the discharge phenomenon is remarkable after the AC power is cut off. Compared with the DC bus voltage, the power-off detection signal output by the distinguishing circuit is slowed down, and the resistance value is appropriately set by The capacitance value adjusts the rate of decrease.
  • the distinguishing circuit and the detecting circuit in the embodiment are disposed at the output end of the rectifying and filtering circuit, in order to prevent the discharge current of the second capacitor C2 in the distinguishing circuit from affecting the output signal of the detecting circuit, the present embodiment In the example, a diode D is arranged between the third resistor R3 and the output of the rectifying and filtering circuit to ensure normal operation and monitoring of the circuit.
  • the maximum length is no more than 5s. Therefore, the voltage value of the short-circuit power failure when the flash switch is switched will be reduced to not lower than a certain value. Within the range of the preset voltage threshold. Conversely, for long periods of power outage due to grid outages, the voltage value of the output of the discrimination circuit will be significantly lower than the voltage threshold, even close to zero.
  • the detecting circuit After detecting the power-off phenomenon by the detecting circuit, if the voltage level of the power-off detecting signal outputted by the circuit is lower than the voltage threshold, it is determined that the power grid is powered off for a long time; If the voltage level of the detection signal is not lower than the voltage threshold, it is determined to be a temporary power-off of the flash switch.
  • the embodiment of the present application discloses another flash switch detection circuit, including a rectification filter circuit, a detection circuit, a DC-DC converter, a control circuit, and a distinguishing circuit.
  • the input end of the rectifying and filtering circuit is connected to the AC power source through a flashing switch, and the output end of the rectifying and filtering circuit is connected to the input end of the detecting circuit and the input end of the DC-DC converter for rectifying the input alternating current and Filtering to output a DC bus voltage;
  • the output of the detection circuit is connected to the first AD input of the control circuit for sampling the DC bus voltage to detect the switching action of the flash switch, generating and outputting a flash detection signal to the control circuit
  • the output end of the DC-DC converter is connected to the power supply end of the control circuit for supplying power to the control circuit;
  • the control circuit is for judging the switch state of the flash switch according to the flash detection signal; distinguishing the input end of the circuit from the DC-DC
  • the output end of the converter is connected, and the output end of the distinguishing circuit is connected with the second AD input end of the control circuit for delay sampling of the DC bus voltage to detect the power-off phenomenon of the alternating current, generating and outputting the power
  • the embodiment is also provided with a distinguishing circuit for detecting a long-term power failure of the power grid by delay sampling detection of the power supply voltage outputted by the DC-DC converter, and outputting the delayed sampling signal, that is, the power-off detection signal to
  • the second AD input terminal of the control circuit performs AD conversion and voltage magnitude analysis by the control circuit, so that the control circuit distinguishes the long-term power-off of the power grid from the flash-off phenomenon caused by the switching action of the flash switch.
  • the power supply voltage outputted by the DC-DC converter is a stable voltage output after being regulated by the internal regulator circuit of the converter. Compared with the DC bus voltage, the power supply voltage drops slowly after the AC power is cut off. . Therefore, when the flashing switch performs the switching action and causes the alternating current to flash, the delayed sampling value of the power supply voltage, that is, the power-off detection signal, will not be lower than a certain voltage threshold; and when the power grid is cut off, the entire circuit is cut off. When the power supply is supplied, the delayed sampling value of the power supply voltage, that is, the power-off detection signal, will be significantly lower than the voltage threshold, thereby realizing the AC flashing phenomenon caused by the switching action of the flashing switch and the power grid. The distinction between long-term power outages.
  • the embodiment of the present application discloses a circuit structure diagram of the distinguishing circuit in FIG. 5;
  • the distinguishing circuit includes a third resistor R3, a fourth resistor R4, and a second capacitor C2;
  • One end of R3 is connected to an output end of the DC-DC converter, and the other end is respectively connected to one end of the fourth resistor R4, one end of the second capacitor C2, and a second AD input end of the control circuit;
  • the other end of the fourth resistor R4 and the other end of the second capacitor C2 are both grounded.
  • the distinguishing circuit in the embodiment uses a circuit composed of a resistor and a capacitor to perform time-delay sampling detection on the DC bus voltage, which not only has a simple circuit structure but also has low cost. It is easy to understand that the output power-off detection signal is the voltage across the fourth resistor R4. Those skilled in the art can appropriately set the resistance values of the third resistor R3 and the fourth resistor R4 according to actual application requirements to adjust the second. The discharge time of capacitor C2. In particular, the third resistor R3 and the fourth resistor R4 may be variable resistors to facilitate adjustment of the resistance.
  • the capacitance of the second capacitor C2 is greater than the capacitance of the first capacitor C1, that is, the second capacitor C2 is a large capacitance, for example, specifically of the order of ⁇ F or even F. Since the second capacitor C2 has a large capacitance value, the discharge phenomenon is remarkable after the AC power is cut off. Compared with the DC bus voltage, the power-off detection signal output by the distinguishing circuit is slowed down, and the resistance value is appropriately set by The capacitance value adjusts its rate of decline.
  • the control circuit stops working, and the voltage across the second capacitor C2 begins to drop. If the AC power disconnection time is long, the wireless module or microprocessor in the control circuit will restart. When the AC power is re-powered, the power supply voltage gradually rises to the normal value, and the wireless module or microprocessor in the control circuit starts. In normal operation, the control circuit continues to use the AD conversion function to perform voltage analysis on the power-off detection signal.
  • the power of the second capacitor C2 is not completely discharged, that is, The second capacitor C2 is still in a discharging state, and the voltage is high; for a long-term power failure of the power grid, since the AC power-off time is long, the power of the second capacitor C2 is almost completely discharged, and the second capacitor C2 is re-powered when the circuit is powered on again. The battery has returned to zero and the voltage is low and will be ready to start charging.
  • the detecting circuit After detecting the power-off phenomenon by the detecting circuit, if the voltage level of the power-off detecting signal output by the distinguishing circuit is lower than a preset voltage threshold, it is determined that the power grid is powered off for a long time; When the voltage level of the power-off detection signal is not lower than the voltage threshold, it is determined that the AC power is flashed due to the switching operation of the flash switch.
  • an embodiment of the present application discloses an intelligent light control system, including a flash switch, a driving circuit, a lamp group, and any flash switch detecting circuit as described above;
  • the input end of the flashing switch detecting circuit is connected to the AC power source through a flashing switch; the power supply end of the driving circuit is connected with the output end of the rectifying and filtering circuit, the input end of the driving circuit is connected with the output end of the control circuit, and the output end of the driving circuit is The input of the lamp set is connected for driving the lamp set according to a control command sent by the control circuit.
  • the input end of the driving circuit and the output end of the control circuit are communicatively connected through the wireless communication unit; the driving circuit is specifically configured to adjust the working state of the light group according to the wireless control command sent by the control circuit.
  • control circuit may send a state inversion control command to the driving circuit after detecting a switching action of the flashing switch, so that the lamp group is turned over, for example, from the on state to the off state, that is, off.
  • the lamp operates, or is turned from the off state to the on state, that is, the light is turned on.
  • the detection circuit is used to sample the DC bus voltage outputted by the rectifying and filtering circuit, and the voltage conversion analysis is performed by the AD conversion function of the control circuit, which can effectively judge the flashing.
  • the switching state of the switch identifies the switching action of the flashing switch to regulate the working state of the powered device based on the switching action of the flashing switch.

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Abstract

一种闪断开关检测电路及智能灯控系统，所述闪断开关检测电路包括：整流滤波电路的输入端用于通过闪断开关与交流电源连接，整流滤波电路的输出端与检测电路的输入端和DC-DC变换器的输入端均连接，用于对输入的交流电进行整流和滤波以输出直流母线电压；检测电路的输出端与控制电路的第一AD输入端连接，用于对直流母线电压进行采样以检测闪断开关的开关动作，生成并输出闪断检测信号至控制电路；DC-DC变换器的输出端与控制电路的供电端连接，用于向控制电路供电；控制电路用于根据闪断检测信号判断闪断开关的开关状态。本申请可有效判断闪断开关的开关状态，以便对用电设备的工作状态进行调控。

Description

一种智能灯控系统及其闪断开关检测电路
本申请要求于2018年4月26日提交中国专利局、申请号为201810384211.8、专利名称为“一种智能开关电路”的中国专利申请的优先权，本申请还要求于2019年4月19日提交中国专利局、申请号为201910319572.9、专利名称为“一种智能开关电路灯控系统及其闪断开关检测电路”的中国专利申请的优先权，本申请还要求于2019年4月19日提交中国专利局、申请号为201920548852.2、专利名称为“一种智能开关电路灯控系统及其闪断开关检测电路”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及电路开关技术领域，尤其涉及一种智能灯控系统及其闪断开关检测电路。
背景技术
传统的墙壁开关在关断状态下将彻底切断用电设备的供电电源，如此将不利于支持WIFI远程遥控的智能电气设备(例如智能灯)的应用，令这类智能电气设备因断电而无法接收WIFI调控指令并进行相应的调节。闪断开关是一种在被触按后仅会导致电路闪断、而不会一直切断电路电源的开关，它只会令电路暂时失电或者电压跌落，而后电路电压又会重新恢复到触按之前的状态。但是，现有技术中却缺乏一种行之有效又简便实用的检测电路来对闪断开关的开关动作进行检测，鉴于此，提供一种解决上述技术问题的方案是本领域技术人员所亟需解决的。
发明内容
本申请的目的在于提供一种智能灯控系统及其闪断开关检测电路，以便通过电压变化检测出闪断开关的开关动作，进而调节智能灯的工作状态。
为解决上述技术问题，第一方面，本申请公开了一种闪断开关检测电路，包括整流滤波电路、检测电路、DC-DC变换器和控制电路；
所述整流滤波电路的输入端用于通过闪断开关与交流电源连接，所述整流滤波电路的输出端与所述检测电路的输入端和所述DC-DC变换器的输入端均连接，用于对输入的交流电进行整流和滤波以输出直流母线电压；
所述检测电路的输出端与所述控制电路的第一AD输入端连接，用于对所述直流母线电压进行采样以检测所述闪断开关的开关动作，生成并输出闪断检测信号至所述控制电路；
所述DC-DC变换器的输出端与所述控制电路的供电端连接，用于向所述控制电路供电；
所述控制电路用于根据所述闪断检测信号判断所述闪断开关的开关状态。
可选地，所述检测电路包括第一电阻和第二电阻；
所述第一电阻的一端与所述整流滤波电路的输出端连接，另一端分别与所述第二电阻的一端和所述控制电路的第一AD输入端均连接；所述第二电阻的另一端接地。
可选地，所述检测电路还包括与所述第二电阻并联的第一电容。
可选地，还包括区分电路；
所述区分电路的输入端与所述整流滤波电路的输出端连接，所述区分电路的输出端与所述控制电路的第二AD输入端连接，用于对所述直流母线电压进行延时采样以检测所述交流电的断电现象，生成并输出断电检测信号至所述控制电路，由所述控制电路区分所述交流电的闪断和断电。
可选地，所述区分电路包括二极管、第三电阻、第四电阻和第二电容；
所述二极管的阳极与所述整流滤波电路的输出端连接，阴极与所述第三电阻的一端连接；所述第三电阻的另一端分别与所述第四电阻的一端、所述第二电容的一端、所述控制电路的第二AD输入端连接；所述第四电阻的另一端和所述第二电容的另一端均接地。
可选地，还包括区分电路；
所述区分电路的输入端与所述DC-DC变换器的输出端连接，所述区分电路的输出端与所述控制电路的第二AD输入端连接，用于对所述直流母线电压进行延时采样以检测所述交流电的断电现象，生成并输出断电检 测信号至所述控制电路，由所述控制电路区分所述交流电的闪断和断电。
可选地，所述区分电路包括第三电阻、第四电阻和第二电容；
所述第三电阻的一端与所述DC-DC变换器的输出端连接，另一端分别与所述第四电阻的一端、所述第二电容的一端、所述控制电路的第二输入端连接；所述第四电阻的另一端和所述第二电容的另一端均接地。
可选地，所述第二电容的容值大于所述第一电容的容值。
第二方面，本申请还公开了一种智能灯控系统包括闪断开关、驱动电路、灯组以及如上所述的任一种闪断开关检测电路；
所述闪断开关检测电路的输入端通过所述闪断开关与交流电源连接；所述驱动电路的供电端与所述整流滤波电路的输出端连接，所述驱动电路的输入端与所述控制电路的输出端连接，所述驱动电路的输出端与所述灯组的输入端连接，用于根据所述控制电路发送的控制指令驱动所述灯组。
可选地，所述驱动电路的输入端与所述控制电路的输出端通过无线通信单元而通信连接；所述驱动电路具体用于根据所述控制电路发送的无线控制指令调节所述灯组的工作状态。
本申请所提供的闪断开关检测电路包括整流滤波电路、检测电路、DC-DC变换器和控制电路；所述整流滤波电路的输入端用于通过闪断开关与交流电源连接，所述整流滤波电路的输出端与所述检测电路的输入端和所述DC-DC变换器的输入端均连接，用于对输入的交流电进行整流和滤波以输出直流母线电压；所述检测电路的输出端与所述控制电路的第一AD输入端连接，用于对所述直流母线电压进行采样以检测所述闪断开关的开关动作，生成并输出闪断检测信号至所述控制电路；所述DC-DC变换器的输出端与所述控制电路的供电端连接，用于向所述控制电路供电；所述控制电路用于根据所述闪断检测信号判断所述闪断开关的开关状态。
可见，本申请所提供的闪断开关检测电路，根据闪断开关闪断过程中的电压跌落和回升现象，利用检测电路对整流滤波电路输出的直流母线电压进行采样，并利用控制电路的AD转换功能进行电压大小分析，可有效判断闪断开关的开关状态，识别闪断开关的开关动作，以便基于闪断开关的开关动作对用电设备的工作状态进行调控。本申请所提供的智能灯控系 统包括上述闪断开关检测电路，同样具有上述有益效果。
附图说明
为了更清楚地说明现有技术和本申请实施例中的技术方案，下面将对现有技术和本申请实施例描述中需要使用的附图作简要的介绍。当然，下面有关本申请实施例的附图描述的仅仅是本申请中的一部分实施例，对于本领域普通技术人员来说，在不付出创造性劳动的前提下，还可以根据提供的附图获得其他的附图，所获得的其他附图也属于本申请的保护范围。
图1为本申请公开的一种闪断开关检测电路的电路模块图；
图2为本申请公开的一种检测电路的电路结构图；
图3为本申请公开的又一种闪断开关检测电路的电路模块图；
图4为本申请公开的图3中的区分电路的一种电路结构图；
图5为本申请公开的又一种闪断开关检测电路的电路模块图；
图6为本申请公开的图5中的区分电路的一种电路结构图；
图7为本申请公开的一种智能灯控系统的电路模块图。
具体实施方式
本申请的核心在于提供一种智能灯控系统及其闪断开关检测电路，以便通过电压变化检测出闪断开关的开关动作，进而调节智能灯的工作状态。
为了对本申请实施例中的技术方案进行更加清楚、完整地描述，下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行介绍。显然，所描述的实施例仅仅是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
如前所述，闪断开关可以即为在被触按后仅令电路发生瞬间闪断、而后又恢复的电路开关。具体来说，闪断开关进行的一次开关动作将进行两次状态引发电路通断状态的两次切换：，即在闪断开关被触按时，电路由导通状态切换为关断状态，令电压跌落或者断电；，并在触按结束即闪断开关 被松开时，电路切换为导通状态，令电压回升恢复，或者，闪断开关内部可设置有自动定时回弹结构，在电路断开时间达到预设固定时长后，自动将电路恢复切换为导通状态。由于电路断开又导通的整个过程时间较短，因此，闪断开关在每次被触按后将令电路发生一次闪断。
参见图1所示，本申请实施例公开了一种闪断开关检测电路，主要包括整流滤波电路、检测电路、DC-DC变换器和控制电路；
整流滤波电路的输入端用于通过闪断开关与交流电源连接，整流滤波电路的输出端与检测电路的输入端和DC-DC变换器的输入端均连接，用于对输入的交流电进行整流和滤波以输出直流母线电压；检测电路的输出端与控制电路的第一AD输入端连接，用于对直流母线电压进行采样以检测闪断开关的开关动作，生成并输出闪断检测信号至控制电路；DC-DC变换器的输出端与控制电路的供电端连接，用于向控制电路供电；控制电路用于根据闪断检测信号判断闪断开关的开关状态。
具体地，闪断开关可控制交流电的接入与切断：在闪断开关被触按时，闪断开关断开、交流电被切断；闪断之后闪断开关又自动闭合、交流电被重新接入。整流滤波电路包括整流电路和滤波电路，对经由闪断开关输入的交流电进行整流和滤波，其中，整流后得到直流脉动电压包含有直流电压成分和交流电压成分，通过滤波可滤除交流电压成分，获得电压稳定的直流母线电压。一般地，若输入的交流电为220V市电，则直流母线电压为310V。
一般来说，直流母线电压值较高，不适合直接为控制电路供电，因此需要利用DC-DC变换器对直流母线电压进行电压变换，以获取电压值较低的、稳定的供电电压为控制电路供电。
控制电路包括微处理器或者集成有微处理器的相关电子设备，并且具有AD转换功能；所述微处理器包括MCU或者DSP等。特别地，控制电路还可以包括无线模块，以便在检测到闪断开关的开关动作后通过无线模块发送用于调控智能灯工作状态的无线调控指令。检测电路通过对直流母线电压进行采样监测，将采样信号即闪断检测信号输入至控制电路的第一AD输入端，通过对闪断检测信号进行AD转换和分析，控制电路可以获 取闪断开关的开关状态，判断出闪断开关的开关动作。
检测电路对整流滤波电路所输出的直流母线电压进行采样监测，并将闪断检测信号输出至控制电路，闪断检测信号的电压大小与直流母线电压直接相关。当闪断开关被触按、交流电被切断时，直流母线电压将出现电压跌落现象，相应地，闪断检测信号的电压也将跌落；当闪断之后交流电被重新接入时，直流母线电压将出现电压回升现象，相应地，闪断检测信号的电压也将回升。由此，依据闪断检测信号的电压变化即可获取闪断开关的开关状态，检测出闪断开关的开关动作。
本申请所提供的闪断开关检测电路，包括整流滤波电路的输入端用于通过闪断开关与交流电源连接，整流滤波电路的输出端与检测电路的输入端和DC-DC变换器的输入端均连接，用于对输入的交流电进行整流和滤波以输出直流母线电压；检测电路的输出端与控制电路的第一AD输入端连接，用于对直流母线电压进行采样以检测闪断开关的开关动作，生成并输出闪断检测信号至控制电路；DC-DC变换器的输出端与控制电路的供电端连接，用于向控制电路供电；控制电路用于根据闪断检测信号判断闪断开关的开关状态。可见，本申请所提供的闪断开关检测电路，根据闪断开关闪断过程中的电压跌落和回升现象，利用检测电路对整流滤波电路输出的直流母线电压进行采样，并利用控制电路的AD转换功能进行电压大小分析，可有效判断闪断开关的开关状态，识别闪断开关的开关动作，以便基于闪断开关的开关动作对用电设备的工作状态进行调控。
参见图2所示，本申请实施例公开了一种检测电路的电路结构。在图1的基础上，所述检测电路包括第一电阻R1和第二电阻R2；所述第一电阻R1的一端与所述整流滤波电路的输出端连接，另一端分别与所述第二电阻R2的一端和所述控制电路的第一AD输入端均连接；所述第二电阻R2的另一端接地。
具体地，本实施例中的检测电路利用结构简单、成本低廉的电阻分压电路对直流母线电压进行检测。容易理解的是，输出的闪断检测信号就是第二电阻R2的两端电压，本领域技术人员可以根据实际应用需要而合理 设置电阻阻值。
进一步地，所述检测电路还可以包括并联在所述第二电阻R2两端的第一电容C1，以便利用第一电容C1的滤波作用减少电压纹波，提高检测精度。需要说明的是，第一电容C1的容值不宜过大，以免避免第一电容C1的放电现象影响电压检测的精确度。例如，可具体将第一电容C1设置为100nF。
实际上，闪断检测信号直观体现了电路中所输入的交流电的断电现象。在前述内容中，控制电路根据闪断检测信号的电压变化识别到交流电的断电现象，进而视为闪断开关的开关动作，但是在实际使用中，电网的长时间断电现象会对闪断开关的开关动作检测造成干扰。因此，可通过增设相关电路来进行两者的区分，以便进一步提高检测结果的精确度。
参见图3所示，本申请实施例公开了又一种闪断开关检测电路，包括整流滤波电路、检测电路、DC-DC变换器、控制电路和区分电路；
整流滤波电路的输入端用于通过闪断开关与交流电源连接，整流滤波电路的输出端与检测电路的输入端和DC-DC变换器的输入端均连接，用于对输入的交流电进行整流和滤波以输出直流母线电压；检测电路的输出端与控制电路的第一AD输入端连接，用于对直流母线电压进行采样以检测闪断开关的开关动作，生成并输出闪断检测信号至控制电路；DC-DC变换器的输出端与控制电路的供电端连接，用于向控制电路供电；控制电路用于根据闪断检测信号判断闪断开关的开关状态；区分电路的输入端与整流滤波电路的输出端连接，区分电路的输出端与控制电路的第二AD输入端连接，用于对直流母线电压进行延时采样以检测交流电的断电现象，生成并输出断电检测信号至控制电路，由控制电路区分交流电的闪断和断电。
具体地，本实施例还设置有区分电路，通过对整流滤波电路输出的直流母线电压进行延时采样来识别电网的长时间断电，并将延时采样信号即断电检测信号输出至控制电路的第二AD输入端，由控制电路进行AD转换和电压大小分析，以便控制电路将电网的长时间断电与因闪断开关进行开关动作而导致的短暂断电即交流电闪断现象进行区分。
由此，当闪断开关进行开关动作导致交流电闪断时，或者当电网出现长时间断电时，检测电路将向控制电路输出对应的闪断检测信号，以便控制电路识别。在此基础上，用于延时采样的区分电路将根据电路断开时间的长短向控制电路输出对应的断电检测信号，以便控制电路对因闪断开关进行开关动作而导致的交流电闪断现象和电网长时间断电现象进行区分。
参见图4所示，本申请实施例公开了图3中的区分电路的一种电路结构；区分电路包括二极管D、第三电阻R3、第四电阻R4和第二电容C2；二极管D的阳极与整流滤波电路的输出端连接，阴极与第三电阻R3的一端连接；第三电阻R3的另一端分别与第四电阻R4的一端、第二电容C2的一端和控制电路的第二AD输入端连接；第四电阻R4的另一端和第二电容C2的另一端均接地。
具体地，本实施例中的区分电路利用电阻、电容构成的电路对直流母线电压进行延时采样检测，不仅电路结构简单，而且成本低廉。其中需要注意的是，第二电容C2的容值大于第一电容C1的容值。具体地，第二电容C2为大容值电容，例如，具体可为μF数量级甚至F数量级。由于第二电容C2容值较大，因此在交流电断电后其放电现象显著，相比于直流母线电压，区分电路所输出的断电检测信号下降较为缓慢，并且，通过合理设置电阻阻值和电容容值可调节下降速率。
还需说明的是，由于本实施例中的区分电路与检测电路同样设置在整流滤波电路的输出端，因此，为了防止区分电路中第二电容C2的放电电流影响检测电路的输出信号，本实施例中在第三电阻R3与整流滤波电路的输出端之间设置了二极管D，以便保障电路的正常运行和监测。
鉴于用户在使用闪断开关时的触按时长较短，一般最长不超过5s，因此，对于闪断开关进行开关动作时出现的短暂断电，的电压值将会下降到不低于某一预设电压阈值的范围内。相反地，对于电网断电导致的长时间断电，区分电路的输出的电压值将会显著低于该电压阈值，甚至接近于零。由此，在利用检测电路检测到断电现象后，若区分电路输出的断电检测信号的电压大小低于所述电压阈值，则判定为电网的长时间断电；若区分电 路输出的断电检测信号的电压大小不低于所述电压阈值，则判定为闪断开关的短暂断电。
参见图5所示，本申请实施例公开了又一种闪断开关检测电路；包括整流滤波电路、检测电路、DC-DC变换器、控制电路和区分电路；
整流滤波电路的输入端用于通过闪断开关与交流电源连接，整流滤波电路的输出端与检测电路的输入端和DC-DC变换器的输入端均连接，用于对输入的交流电进行整流和滤波以输出直流母线电压；检测电路的输出端与控制电路的第一AD输入端连接，用于对直流母线电压进行采样以检测闪断开关的开关动作，生成并输出闪断检测信号至控制电路；DC-DC变换器的输出端与控制电路的供电端连接，用于向控制电路供电；控制电路用于根据闪断检测信号判断闪断开关的开关状态；区分电路的输入端与DC-DC变换器的输出端连接，区分电路的输出端与控制电路的第二AD输入端连接，用于对直流母线电压进行延时采样以检测交流电的断电现象，生成并输出断电检测信号至控制电路，由控制电路区分交流电的闪断和断电。
具体地，本实施例也设置有区分电路，通过对DC-DC变换器输出的供电电压进行延时采样检测来识别电网的长时间断电，并将延时采样信号即断电检测信号输出至控制电路的第二AD输入端，由控制电路进行AD转换和电压大小分析，以便控制电路将电网的长时间断电与因闪断开关进行开关动作而导致的闪断现象进行区分。
容易理解的是，DC-DC变换器输出的供电电压是经由变换器内部稳压电路的稳压后输出的稳定电压，与直流母线电压相比，供电电压在交流电断电后的下降速率较为缓慢。因此，当闪断开关进行开关动作而导致交流电闪断时，对供电电压的延时采样值即断电检测信号的大小将不低于某个电压阈值；而当电网断电切断了整个电路的供电电源时，对供电电压的延时采样值即断电检测信号的大小将明显低于所述电压阈值，由此即可实现对因闪断开关进行开关动作而导致的交流电闪断现象和电网长时间断电现象的区分。
参见图6所示，本申请实施例公开了图5中的区分电路的一种电路结构图；所述区分电路包括第三电阻R3、第四电阻R4和第二电容C2；所述第三电阻R3的一端与所述DC-DC变换器的输出端连接，另一端分别与所述第四电阻R4的一端、所述第二电容C2的一端和所述控制电路的第二AD输入端连接；所述第四电阻R4的另一端和所述第二电容C2的另一端均接地。
类似地，本实施例中的区分电路利用电阻、电容构成的电路对直流母线电压进行延时采样检测，不仅电路结构简单，而且成本低廉。容易理解的是，输出的断电检测信号是第四电阻R4的两端电压，本领域技术人员可以根据实际应用需要而合理设置第三电阻R3和第四电阻R4的阻值，以调节第二电容C2的放电时间。特别地，第三电阻R3和第四电阻R4可以是可变电阻，以方便调节阻值。
此外，第二电容C2的容值大于第一电容C1的容值，即第二电容C2为大容值电容，例如，具体可为μF数量级甚至F数量级。由于第二电容C2容值较大，因此在交流电断电后其放电现象显著，相比于直流母线电压，区分电路所输出的断电检测信号下降较为缓慢，并且，通过合理设置电阻阻值和电容容值可调节其下降速率。
当交流电断开后，直流母线电压快速下降，当降到一定程度后，供电电压才开始下降，当供电电压降低到一定值时，控制电路停止工作，第二电容C2两端的电压开始下降。若交流电断开时间较长，控制电路中的无线模块或者微处理器等将重启，当交流电重新上电后，供电电压逐渐升高到正常值，控制电路中的无线模块或者微处理器等开始正常工作，控制电路继续利用AD转换功能对断电检测信号进行电压分析。因此，对于因闪断开关进行开关动作而发生的交流电闪断，因交流电断电时间较短，所以当闪断之后电路迅速恢复供电时，第二电容C2的电量还未完全被放掉，即第二电容C2仍处于放电状态，电压较高；对于电网长时间断电，因为交流电断电时间较长，所以第二电容C2的电量近乎释放完全，在电路重新上电时第二电容C2的电量已经归零，电压较低，将准备开始充电。
由此，在利用检测电路检测到断电现象后，若区分电路所输出的断电检测信号的电压大小低于预设的电压阈值，则判定为电网的长时间断电；若区分电路输出的断电检测信号的电压大小不低于所述电压阈值，则判定为因闪断开关进行开关动作而导致的交流电闪断。
参见图7所示，本申请实施例公开了一种智能灯控系统，包括闪断开关、驱动电路、灯组以及如上所述的任一项闪断开关检测电路；
闪断开关检测电路的输入端通过闪断开关与交流电源连接；驱动电路的供电端与整流滤波电路的输出端连接，驱动电路的输入端与控制电路的输出端连接，驱动电路的输出端与灯组的输入端连接，用于根据控制电路发送的控制指令驱动灯组。
其中，作为一种具体实施例，驱动电路的输入端与控制电路的输出端通过无线通信单元而通信连接；驱动电路具体用于根据控制电路发送的无线控制指令调节灯组的工作状态。
例如，具体地，控制电路可在检测到闪断开关的一次开关动作之后，向驱动电路发送状态翻转控制指令，以便令灯组进行工作状态翻转，例如由开启状态翻转为关闭状态，即进行关灯操作，或者由关闭状态翻转为开启状态，即进行开灯操作。
可见，根据闪断开关闪断过程中的电压跌落和回升现象，利用检测电路对整流滤波电路输出的直流母线电压进行采样，并利用控制电路的AD转换功能进行电压大小分析，可有效判断闪断开关的开关状态，识别闪断开关的开关动作，以便基于闪断开关的开关动作对用电设备的工作状态进行调控。
本申请所提供的智能灯控系统的具体实施方式与上文所描述的闪断开关检测电路可相互对应参照，此处就不再赘述。
本申请中各个实施例采用递进的方式描述，每个实施例重点说明的都是与其他实施例的不同之处，各个实施例之间相同相似部分互相参见即可。对于实施例公开的装置而言，由于其与实施例公开的方法相对应，所以描 述的比较简单，相关之处参见方法部分说明即可。
还需说明的是，在本申请文件中，诸如“第一”和“第二”之类的关系术语，仅仅用来将一个实体或者操作与另一个实体或者操作区分开来，而不一定要求或者暗示这些实体或者操作之间存在任何这种实际的关系或者顺序。此外，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者设备所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括所述要素的过程、方法、物品或者设备中还存在另外的相同要素。
以上对本申请所提供的技术方案进行了详细介绍。本文中应用了具体个例对本申请的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本申请的方法及其核心思想。应当指出，对于本技术领域的普通技术人员来说，在不脱离本申请原理的前提下，还可以对本申请进行若干改进和修饰，这些改进和修饰也落入本申请的保护范围内。

Claims (10)

  1. 一种闪断开关检测电路，其特征在于，包括整流滤波电路、检测电路、DC-DC变换器和控制电路；
    所述整流滤波电路的输入端用于通过闪断开关与交流电源连接，所述整流滤波电路的输出端与所述检测电路的输入端和所述DC-DC变换器的输入端均连接，用于对输入的交流电进行整流和滤波以输出直流母线电压；
    所述检测电路的输出端与所述控制电路的第一AD输入端连接，用于对所述直流母线电压进行采样以检测所述闪断开关的开关动作，生成并输出闪断检测信号至所述控制电路；
    所述DC-DC变换器的输出端与所述控制电路的供电端连接，用于向所述控制电路供电；
    所述控制电路用于根据所述闪断检测信号判断所述闪断开关的开关状态。
  2. 根据权利要求1所述的闪断开关检测电路，其特征在于，所述检测电路包括第一电阻和第二电阻；
    所述第一电阻的一端与所述整流滤波电路的输出端连接，另一端分别与所述第二电阻的一端和所述控制电路的第一AD输入端均连接；所述第二电阻的另一端接地。
  3. 根据权利要求2所述的闪断开关检测电路，其特征在于，所述检测电路还包括与所述第二电阻并联的第一电容。
  4. 根据权利要求3所述的闪断开关检测电路，其特征在于，还包括区分电路；
    所述区分电路的输入端与所述整流滤波电路的输出端连接，所述区分电路的输出端与所述控制电路的第二AD输入端连接，用于对所述直流母线电压进行延时采样以检测所述交流电的断电现象，生成并输出断电检测信号至所述控制电路，由所述控制电路区分所述交流电的闪断和断电。
  5. 根据权利要求4所述的闪断开关检测电路，其特征在于，所述区分电路包括二极管、第三电阻、第四电阻和第二电容；
    所述二极管的阳极与所述整流滤波电路的输出端连接，阴极与所述第 三电阻的一端连接；所述第三电阻的另一端分别与所述第四电阻的一端、所述第二电容的一端、所述控制电路的第二AD输入端连接；所述第四电阻的另一端和所述第二电容的另一端均接地。
  6. 根据权利要求3所述的闪断开关检测电路，其特征在于，还包括区分电路；
    所述区分电路的输入端与所述DC-DC变换器的输出端连接，所述区分电路的输出端与所述控制电路的第二AD输入端连接，用于对所述直流母线电压进行延时采样以检测所述交流电的断电现象，生成并输出断电检测信号至所述控制电路，由所述控制电路区分所述交流电的闪断和断电。
  7. 根据权利要求6所述的闪断开关检测电路，其特征在于，所述区分电路包括第三电阻、第四电阻和第二电容；
    所述第三电阻的一端与所述DC-DC变换器的输出端连接，另一端分别与所述第四电阻的一端、所述第二电容的一端、所述控制电路的第二输入端连接；所述第四电阻的另一端和所述第二电容的另一端均接地。
  8. 根据权利要求5或者7所述的闪断开关检测电路，其特征在于，所述第二电容的容值大于所述第一电容的容值。
  9. 一种智能灯控系统，其特征在于，包括闪断开关、驱动电路、灯组以及如权利要求1至8任一项所述的闪断开关检测电路；
    所述闪断开关检测电路的输入端通过所述闪断开关与交流电源连接；所述驱动电路的供电端与所述整流滤波电路的输出端连接，所述驱动电路的输入端与所述控制电路的输出端连接，所述驱动电路的输出端与所述灯组的输入端连接，用于根据所述控制电路发送的控制指令驱动所述灯组。
  10. 根据权利要求9所述的智能灯控系统，其特征在于，所述驱动电路的输入端与所述控制电路的输出端通过无线通信单元而通信连接；所述驱动电路具体用于根据所述控制电路发送的无线控制指令调节所述灯组的工作状态。
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04206390A (ja) * 1990-11-30 1992-07-28 Hitachi Lighting Ltd 点灯装置
CN201674273U (zh) * 2010-04-28 2010-12-15 施耐德万高（天津）电气设备有限公司 自动转换开关控制器
CN107148124A (zh) * 2017-07-14 2017-09-08 深圳市明微电子股份有限公司 一种开关调光调色温led驱动控制电路以及方法
CN109041374A (zh) * 2018-07-12 2018-12-18 青岛亿联客信息技术有限公司 闪断开关检测电路及智能灯具
CN109041373A (zh) * 2018-07-12 2018-12-18 青岛亿联客信息技术有限公司 闪断开关检测电路及智能灯具

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04206390A (ja) * 1990-11-30 1992-07-28 Hitachi Lighting Ltd 点灯装置
CN201674273U (zh) * 2010-04-28 2010-12-15 施耐德万高（天津）电气设备有限公司 自动转换开关控制器
CN107148124A (zh) * 2017-07-14 2017-09-08 深圳市明微电子股份有限公司 一种开关调光调色温led驱动控制电路以及方法
CN109041374A (zh) * 2018-07-12 2018-12-18 青岛亿联客信息技术有限公司 闪断开关检测电路及智能灯具
CN109041373A (zh) * 2018-07-12 2018-12-18 青岛亿联客信息技术有限公司 闪断开关检测电路及智能灯具

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