WO2017148441A1 - Switch control circuit and control method thereof - Google Patents

Switch control circuit and control method thereof Download PDF

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Publication number
WO2017148441A1
WO2017148441A1 PCT/CN2017/075641 CN2017075641W WO2017148441A1 WO 2017148441 A1 WO2017148441 A1 WO 2017148441A1 CN 2017075641 W CN2017075641 W CN 2017075641W WO 2017148441 A1 WO2017148441 A1 WO 2017148441A1
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WO
WIPO (PCT)
Prior art keywords
control circuit
state
switch control
switch
closed
Prior art date
Application number
PCT/CN2017/075641
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French (fr)
Chinese (zh)
Inventor
周永康
Original Assignee
中兴通讯股份有限公司
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Publication of WO2017148441A1 publication Critical patent/WO2017148441A1/en

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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10Controlling the light source
    • H05B47/105Controlling the light source in response to determined parameters
    • H05B47/115Controlling the light source in response to determined parameters by determining the presence or movement of objects or living beings
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10Controlling the light source
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40Control techniques providing energy savings, e.g. smart controller or presence detection

Definitions

  • the present disclosure relates to the field of communications, for example, to a switch control circuit and a control method thereof.
  • the inductive switch based on the pyroelectric infrared sensor can be set to open and close the illumination of the lamp, for example, when someone enters the detection range of the infrared sensor, the switch is closed, the lamp is illuminated; when the person leaves the infrared The detection range of the sensor, the switch is turned off, and the light is automatically turned off.
  • This way to achieve "on-demand lighting", to avoid the consumption of electrical energy, is an environmentally friendly control.
  • the lighting fixture needs to be continuously illuminated in a short time. Even if there is no one in the detection area of the infrared sensor, the lamp cannot be extinguished. At this time, the above ordinary infrared induction automatic switch cannot meet the requirement.
  • the present disclosure provides a switch control circuit and a control method thereof, which can control an infrared induction automatic switch to be continuously closed in a short time.
  • a first aspect of the present disclosure provides a switch control circuit including: a power supply, a control circuit, an infrared sensor, and a relay; wherein the power source is configured to convert the alternating current into a direct current, to supply a control circuit, an infrared sensor, and a relay;
  • the switch control circuit controls the relay to be closed or opened according to a signal from the infrared sensor, and determines whether the switch control circuit is switched from the active state to the fail-closed state according to the switching frequency of the power supply to the unpowered state; And when the switch control circuit is in a fail-closed state, the control circuit controls the relay to be closed.
  • the relay is turned off, the switch control circuit is in a fail-open state, and the power supply is again powered. Switching to the powered state, the switch control circuit transitions to an active state.
  • control circuit is configured to: when the number of times that the power source is powered to the unpowered state is less than the predetermined number of times, the switch control circuit is in an active state; and within a preset time period.
  • the control circuit is in a fail-closed state when it is detected that the number of times the power source is supplied from the power supply to the no-power state reaches a predetermined number of times.
  • the circuit further includes a wireless transceiver, wherein the control circuit is connected to the control terminal through the wireless transceiver, and receives a wireless control signal from the control terminal to control the relay to be closed or disconnected through the wireless transceiver; or the control circuit The state of the switch control circuit is switched according to the wireless control signal.
  • a wireless transceiver wherein the control circuit is connected to the control terminal through the wireless transceiver, and receives a wireless control signal from the control terminal to control the relay to be closed or disconnected through the wireless transceiver; or the control circuit The state of the switch control circuit is switched according to the wireless control signal.
  • the wireless control signal includes a timing table, where the timing table includes an action of controlling the relay and a time corresponding to the execution action.
  • control circuit is further configured to: when the wireless transceiver requests to query the infrared sensor for a valid range, obtain the detection result from the infrared sensor, and feed the detection result to the wireless transceiver.
  • the infrared sensor is a pyroelectric infrared sensor, and the infrared sensor is configured to send an electrical signal to the control circuit after detecting the effective object within a predetermined range, and the control circuit is configured to control after receiving the electrical signal The relay is closed and the control relay is turned off when an electrical signal from the infrared sensor is not received.
  • a second aspect of the present disclosure provides a control method of a switch control circuit, including: controlling a switch control circuit to be closed or broken according to whether a valid object is detected within a specified range when the switch control circuit is in an active state After determining that the switch control circuit is switched from the active state to the fail-closed state according to the switching frequency of the switch control circuit from being powered to the unpowered state, the control switch control circuit is closed, the switch control circuit is switched to the fail-closed state; When the control circuit is in the fail-closed state, if the power supply in the switch control circuit is switched from being powered to the unpowered state, the switch control circuit is turned off, the switch control circuit is switched to the fail-open state, and the power supply is switched from the unpowered state. Until the power is supplied, the switch control circuit is switched to the active state.
  • controlling whether the switch control circuit is closed or opened according to whether the active object is detected within the specified range includes: detecting that the switch control circuit is closed within a preset time period The switch control circuit remains in an active state until the number of disconnections does not reach the predetermined number of times; and the control circuit switches to the failure condition when the number of times the switch circuit is detected from closed to open reaches a predetermined number of times within a preset period of time Closed state.
  • the method further includes: controlling the switch control circuit to be closed or disconnected according to the received wireless control signal from the control terminal; or switching the state of the switch control circuit according to the wireless control signal, wherein the wireless control signal includes a timing table
  • the timing table includes the actions of controlling the switch control circuit and the timing corresponding to the execution of the action.
  • the foregoing method further includes: if the control terminal receives the query, whether the presence of the specified range exists When the effect is requested, the detection result is obtained from the infrared sensor in the switch control circuit, and the detection result is fed back to the control terminal.
  • the solution provided by the embodiment of the present disclosure can determine the opening and closing of the switch circuit according to the power supply state of the switch control circuit, and can control the switch control circuit to continuously close in a short time.
  • FIG. 1 is a schematic diagram of a switch control circuit according to Embodiment 1 of the present disclosure
  • FIG. 2 is a schematic diagram of a switch control circuit according to Embodiment 2 of the present disclosure
  • FIG. 3 is a schematic diagram of applying a switch control circuit in a lighting circuit in Embodiment 3 of the present disclosure
  • FIG. 4 is a flow chart of switching to a fail-closed state by a second switch control switch control circuit in Embodiment 3 of the present disclosure
  • Embodiment 5 is a state transition diagram of an infrared sensing automatic switch in Embodiment 3 of the present disclosure
  • FIG. 6 is a flow chart of switching an infrared sensing automatic switch from a fail-closed state to an active state in Embodiment 4 of the present disclosure
  • FIG. 7 is a schematic diagram of applying an infrared sensing automatic switch to an illumination lamp circuit in Embodiment 4 of the present disclosure
  • FIG. 8 is a state transition diagram of a state switching of an infrared sensing automatic switch according to a change state command sent by an APP according to Embodiment 5 of the present disclosure
  • FIG. 9 is a state transition diagram of state switching of an infrared sensing automatic switch according to a timing table sent by an APP according to Embodiment 5 of the present disclosure
  • FIG. 10 is a schematic diagram of an APP interface when an infrared sensing automatic switch is in an active state according to Embodiment 5 of the present disclosure
  • FIG. 11 is a schematic diagram of an APP interface for displaying a setting timing table in Embodiment 5 of the present disclosure
  • FIG. 12 is a schematic diagram of an interface for querying an infrared sensing automatic switch state by an APP according to Embodiment 5 of the present disclosure
  • FIG. 13 is a schematic diagram of an APP interface when a plurality of infrared sensing automatic switches are in an active state in Embodiment 5 of the present disclosure
  • FIG. 14 is a schematic diagram of networking of an infrared sensing automatic switch by an APP in Embodiment 5 of the present disclosure
  • Figure 15 is a flowchart of a control method of a switch control circuit in Embodiment 6 of the present disclosure.
  • FIG. 1 is a schematic diagram of the control circuit.
  • the switch control circuit includes: a power supply, a control circuit, an infrared sensor, and a relay.
  • the power supply is set to convert the alternating current into direct current, and is supplied to the control circuit, the infrared sensor and the relay; when the switch control circuit is in an active state, the control circuit controls the relay to be closed or opened according to the signal from the infrared sensor, and is powered according to the power source.
  • the switching frequency of the unpowered state determines whether the switch control circuit is switched from the active state to the fail-closed state; when the switch control circuit is in the fail-closed state, the control circuit controls the relay to be closed, and when the power supply is switched from the powered state to the unpowered state, the relay When disconnected, the switch control circuit is in a fail-open state, and the switch control circuit is switched to the active state after the power supply is switched from the no-power state to the powered state.
  • the control circuit in the fail-closed state and the fail-open state of the switch control circuit, the control circuit does not control the relay to be closed or opened according to the signal of the infrared sensor, and the control circuit is based on the between the powered state and the unpowered state of the power supply. Switch the control relay to close or open.
  • control circuit is configured to: when the number of times that the power source is powered to the unpowered state is less than the predetermined number of times, the switch control circuit is in an active state; and within a preset time period.
  • the control circuit is in a fail-closed state when it is detected that the number of times the power supply has been supplied to the unpowered state reaches a predetermined number of times.
  • the switch control circuit may further include a wireless transceiver (also referred to as a wireless module), wherein the control circuit is connected to the control terminal through the wireless transceiver, and receives a wireless control signal from the control terminal through the wireless transceiver to control the relay to close or Disconnected; or the control circuit switches the state of the switch control circuit in accordance with the wireless control signal.
  • the switching of the state of the switch control circuit includes switching between an active state, a fail-closed state, and a fail-open state.
  • the wireless signal may further include a timing table, and the timing table includes an action of the control relay and an execution action corresponding to Moment.
  • control circuit is further configured to request the infrared sensor to query the infrared sensor
  • the detection result is obtained from the infrared sensor, and the detection result is fed back to the wireless transceiver, and the wireless transceiver notifies the control terminal to the control terminal, so that the user can control the switch control according to the detection result of the control terminal receiving.
  • the state of the circuit is further configured to request the infrared sensor to query the infrared sensor.
  • the infrared sensor in this embodiment is a pyroelectric infrared sensor, and the infrared sensor is configured to send an electrical signal to the control circuit after the active object is detected within a predetermined range, and the control circuit is configured to receive The control relay is closed after the electrical signal is applied, and the control relay is turned off when an electrical signal from the infrared sensor is not received.
  • the solution provided by the embodiment is simple in operation, low in cost, energy-saving, rich in functions, convenient and fast, and can be applied to commercial places such as offices, classrooms, and commercial halls, and can also be applied to households, and is an electrical device capable of realizing smart home.
  • the switch control circuit also referred to as an infrared induction automatic switch, may include a pyroelectric infrared sensor, a power supply, and a control circuit. , a wireless transceiver, a relay, a first switch, and application software for controlling the terminal (not shown).
  • the power supply can be set to rectify 220V AC voltage to 5V and 3.3V DC, and supply power to pyroelectric infrared sensors, relays, control circuits and wireless transceivers.
  • the application software of the control terminal is connected to the infrared sensor automatic switch wirelessly, and the infrared sensor automatic switch can also be wirelessly connected to the wireless router.
  • the control circuit is the core of the infrared induction automatic switch, and can receive the signal of the pyroelectric infrared sensor, the instruction of the wireless transceiver, and the power-off and power-on times information of the power source, and send a control electric signal to the relay through logic judgment, and control the first
  • the switch is opened or closed.
  • the relay itself may include a switch, and the first switch of the present disclosure may be a switch in the relay.
  • the wireless transceiver in this embodiment adopts Wireless Fidelity (WiFi) wireless technology to facilitate connection with most smart phones supporting WiFi technology.
  • WiFi Wireless Fidelity
  • the pyroelectric infrared sensor generates an electrical signal after detecting a human or an animal within a certain range, and after receiving the electrical signal, the control circuit logically determines that the first switch is closed by the relay; and the pyroelectric infrared sensor No human or animal is detected within its detection range, no electrical signal is generated, and the control circuit is logically determined to control the first switch to be turned off by the relay.
  • the switch control circuit has a counting function, a state memory function (the state that remains stored after the power is off is not lost), a storage function, and a timing function.
  • the states memorized by the switch control circuit include an active state, a fail-closed state, and a fail-open state, which are consistent with the state in the above-described Embodiment 1, and the switch control circuit can only be in one of three states at a time.
  • the switch control circuit When the switch control circuit is in the active state, within the preset time (for example, 15 seconds) (the power can still be timed), if the control circuit detects the 5V DC output of the power supply, "power off to power on" once, the status counter When the state counter reaches the preset number threshold (for example, 3), the control circuit outputs an electrical signal. After receiving the electrical signal, the relay controls the first switch to close, and the infrared sensing automatic switch enters a fail-closed state. The first switch will not open regardless of whether there is a person or an animal within the detection range of the pyroelectric infrared sensor. Optionally, if the first switch is closed, if the power supply does not output 5V direct current (power off), the relay cannot control the first switch to close, the first switch is turned off, and the infrared induction automatic switch enters an active state.
  • the preset time for example, 15 seconds
  • the control circuit detects the 5V DC output of the power supply, "power off to power on"
  • an infrared induction automatic switch as provided in Embodiment 1 and Embodiment 2 is added to the illumination circuit to form an illumination circuit with infrared induction automatic switch control, as shown in FIG.
  • an infrared induction automatic switch can control a circular area with a radius of 5.5 meters.
  • a suitable number of illuminators e.g., three illuminators in Figure 3 are mounted on the ceiling and controlled by an infrared-sensing automatic switch.
  • the second switch in this embodiment is configured to switch the infrared sensing automatic switch to a fail-closed state. For example, within 15 seconds, the second switch continuously switches from off to closed three times in the pyroelectric infrared sensor. The illumination of the infrared-sensing automatic switch is always on, regardless of whether there is a person or an animal within the detection range.
  • the control flow is shown in Figure 4 and includes the following steps:
  • the second switch is closed, and the infrared sensing automatic switch is in an active state, the value of the counter in the control circuit is 0, and the first switch is in an off state;
  • the control circuit determines whether the status counter is 0. If the status counter is 0, the timer is cleared, the 15 second timing is started, and the next step is entered; if not, the next step is entered;
  • the control circuit determines if the timer has reached 15 seconds: if it is 15 seconds, the status counter is cleared. Zero, end; if not 15 seconds, go to the next step;
  • the status counter is incremented by one
  • the control circuit determines whether the status counter is equal to 3, if the status counter is not equal to 3, returns to the step of disconnecting the second switch; if the status counter is equal to 3, proceeds to the next step;
  • the control circuit outputs an electric signal, and after receiving the electric signal, the relay controls the first switch to be closed, and the illumination light controlled by the infrared induction automatic switch is illuminated, and the infrared induction automatic switch enters a fail-closed state, and the pyroelectric infrared sensor detects the range at this time. No matter whether someone or an animal, does not affect the state of the light, go to the next step;
  • the status calculator is cleared.
  • Embodiment 3 of the present disclosure can switch the infrared induction automatic switch to the single-pole single-throw switch, which can meet the requirement that all the illumination lamps need to be always bright in some occasions.
  • the infrared switch automatic switch is switched from the fail-closed state to the active state, the second switch can be turned off, and then the second switch can be closed at any time.
  • the control flow is as shown in FIG.
  • the state transition diagram is shown in Figure 5.
  • the process shown in Figure 6 can include the following steps:
  • the infrared sensing automatic switch is in a fail-closed state or a failed-open state
  • the infrared sensing automatic switch When the second switch is closed, the infrared sensing automatic switch enters an active state.
  • a plurality of illumination lamps can be controlled, and the number and position of the required infrared induction automatic switches can be calculated according to a circular area with a control radius of 5.5 meters of an infrared induction automatic switch.
  • the circuit schematic is shown in FIG. 7.
  • the main switch in addition to controlling the main power supply to open and close, can also be set to control the switching between all the infrared sensing automatic switches in the active state and the fail-closed state.
  • the total switch can be switched from "off to close" three times in 15 seconds. All infrared sensors are detected within the detection range of all pyroelectric infrared sensors, whether or not there are people or animals. The illumination of the automatic switch control is not extinguished, and the switching process is the same as that in the first embodiment. kind.
  • all of the infrared sensing switches are switched from the fail-closed state to the active state, the main switch can be turned off, and then the main switch can be closed.
  • the state switching of the plurality of infrared sensing automatic switches can be performed, thereby avoiding the operation of “opening to closing” of the second switch one by one, thereby improving the control efficiency.
  • control circuit can be automatically interconnected with the smart phone application (Application, APP) through the wireless transceiver via the wireless transceiver, and the smart phone APP can control the infrared induction automatic switch.
  • the smart phone application Application, APP
  • the smart phone APP can control the infrared induction automatic switch.
  • the smartphone app can send four commands: changing the status command, querying the command, turning the light on or off, and setting the timer command.
  • the three states of the infrared sensing automatic switch can be switched by the change state command sent by the smart phone APP, and the partial light can be switched on or off.
  • the state transition diagram is shown in Figure 8, and the APP interface is shown in Figures 10, 11 and 12.
  • the smart phone APP can set the timing meter and the corresponding opening and closing action for the infrared sensing automatic switch.
  • the timing time is up, the infrared sensing automatic switch automatically changes the state according to the action set in the timing table. Its state transition diagram is shown in Figure 9.
  • the smart phone APP can be used at the near end, and can remotely query and change the state of one or more infrared sensing automatic switches through the Internet, and can also query the data stored by the infrared sensing automatic switch, such as the time and duration of the disconnection of the first switch. And the time and duration of the closure, as well as the statistics of electricity consumption.
  • the smart phone APP can be used at the near end and remotely through the Internet to check whether there is a person or an animal in the control range of one or more infrared sensing automatic switches, thereby determining whether a light-off operation is required.
  • the schematic diagram of the APP interface is shown in Figure 13.
  • the infrared induction automatic switch can be displayed in red (the infrared sensing automatic switch 2 and the infrared sensing in the background of the dot in Fig. 13) Automatic switch 4) and flashes.
  • the smart phone APP sends the wireless router's wireless local area network (WLAN) connection name and password to the wireless transceiver, and the control circuit receives the WLAN connection name and password. Save once it is detected
  • the wireless router's WiFi signal can be automatically connected to the wireless router.
  • the corresponding settings can be made through WiFi and networking buttons. Among them, click the WiFi button, the smart phone can send the wireless router's WLAN connection name and password to the wireless circuit; click the network button, the smart phone can indicate the infrared sensor automatic switch to access the Internet through WiFi.
  • the smart phone APP realizes the query and control of the near-end and the remote infrared-sensing automatic switch.
  • the light can be remotely controlled, and the light can be turned on when no one is at home. Thieves, and meet the needs of user statistics and electricity consumption data.
  • the solution of the embodiment adopts a pyroelectric infrared sensor to realize the "on-demand illumination” automatic switching function, which saves electric energy and avoids unnecessary loss; and can be performed by means of manual, smart phone APP (near end and remote) and timing meter Switching and control between the three states, to meet the "Changming", smart phone APP to turn on the lights, turn off the lights (can check whether there are people under the lights before turning off the lights), smart phone APP setting timer, batch turn off lights, remote Operational and statistical data requirements.
  • FIG. 15 is a flowchart of the method.
  • step 110 when the switch control circuit is in an active state, the switch control circuit is controlled to be closed or opened depending on whether or not the active is detected within the specified range.
  • step 120 after determining that the switch control circuit is switched from the active state to the fail-closed state according to the switching frequency of the switch control circuit from being powered to the no-power state, the control switch control circuit is closed and the switch control circuit is switched to the fail-closed state.
  • step 130 in the process that the switch control circuit is in the fail-closed state, if the power supply in the switch control circuit is switched from the power supply to the no-power supply state, the switch control circuit is turned off, and the switch control circuit is switched to the fail-open state. After the power supply is switched from the unpowered state to the powered state, the switch control circuit is switched to the active state.
  • controlling whether the switch control circuit is closed or opened according to whether the effective object is detected within the specified range may include: detecting that the switch circuit is closed to open within a preset time period In the case where the number of times does not reach the predetermined number of times, the switch control circuit remains in an active state; and in the case where the number of times the switch control circuit is detected to be closed to the predetermined number of times is reached within a preset period of time, the control circuit shifts to the fail-closed state.
  • the above method may further include: controlling to open according to the received wireless control signal from the control terminal The control circuit is closed or disconnected; or the state of the switch control circuit is switched according to the wireless control signal, wherein the wireless control signal includes a timing table, and the timing table includes an action of controlling the switch control circuit and a time corresponding to the execution of the action.
  • the method further includes: when receiving the request for the control terminal to query whether there is a valid object within the specified range, acquiring the detection result from the infrared sensor in the switch control circuit, and feeding back the detection result to the control terminal.
  • a switch control circuit and a control method thereof are provided in an embodiment of the present disclosure, which can control the switch control circuit to continuously close in a short time.

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Abstract

A switch control circuit and a control method thereof. The switch control circuit comprises: a power supply, a control circuit, an infrared sensor, and a relay. A power supply circuit is configured to convert an alternating current into a direct current and supply the direct current to the control circuit, the infrared sensor, and the relay; when the switch control circuit is in an active state, the control circuit controls the relay to be turned on or off according to a signal of the infrared sensor and determines, according to a switching frequency of the power supply from a powered state to an unpowered state, whether to switch the switch control circuit from the active state to a failure closed state. When the switch control circuit is in a failure closed state, the relay is controlled to be closed, and after the power supply is switched from the powered state to the unpowered state, the relay is turned off, and the switch control circuit is in a failure off state; the switch control circuit is switched to the active sate after the power supply is switched from the unpowered state to the powered state again.

Description

开关控制电路及其控制方法Switch control circuit and control method thereof 技术领域Technical field
本公开涉及通讯领域,例如涉及一种开关控制电路及其控制方法。The present disclosure relates to the field of communications, for example, to a switch control circuit and a control method thereof.
背景技术Background technique
基于不同技术原理的自动感应开关已经广泛应设置为灯具以及设备控制之中。其中,基于热释电红外传感器的感应开关,可以设置为对灯具照明进行开闭控制,例如,当有人进入到红外传感器的探测范围之内时,开关闭合,灯被点亮;当人离开红外传感器的探测范围,开关断开,灯就自动熄灭。这种方式实现了“按需照明”,避免了电能的消耗,是一种环保的控制方式。Auto-sensing switches based on different technical principles have been widely installed in luminaires and equipment control. Wherein, the inductive switch based on the pyroelectric infrared sensor can be set to open and close the illumination of the lamp, for example, when someone enters the detection range of the infrared sensor, the switch is closed, the lamp is illuminated; when the person leaves the infrared The detection range of the sensor, the switch is turned off, and the light is automatically turned off. This way to achieve "on-demand lighting", to avoid the consumption of electrical energy, is an environmentally friendly control.
但是,在一些特殊的应用场景下,需要照明灯具在短时间内持续照明,即使红外传感器探测区域之内没有人,灯也不能熄灭,这时上述普通的红外感应自动开关就无法满足要求。However, in some special application scenarios, the lighting fixture needs to be continuously illuminated in a short time. Even if there is no one in the detection area of the infrared sensor, the lamp cannot be extinguished. At this time, the above ordinary infrared induction automatic switch cannot meet the requirement.
发明内容Summary of the invention
本公开提供一种开关控制电路及其控制方法,可以控制红外感应自动开关能够短时间内持续闭合。The present disclosure provides a switch control circuit and a control method thereof, which can control an infrared induction automatic switch to be continuously closed in a short time.
本公开的第一方面,提供了一种开关控制电路,包括:电源、控制电路、红外感应器以及继电器;其中,电源设置为将交流电转换为直流电,供给控制电路、红外感应器以及继电器;在开关控制电路处于有效状态下,控制电路根据来自红外感应器的信号控制继电器闭合或断开,根据电源由被供电至无供电状态的切换频率确定开关控制电路是否由有效状态转换至失效闭合状态;以及在开关控制电路处于失效闭合状态下,控制电路控制继电器闭合,待电源由被供电状态转换至无供电状态时,继电器断开,开关控制电路处于失效断开状态,待电源再由无供电状态转换至被供电状态,开关控制电路转换至有效状态。A first aspect of the present disclosure provides a switch control circuit including: a power supply, a control circuit, an infrared sensor, and a relay; wherein the power source is configured to convert the alternating current into a direct current, to supply a control circuit, an infrared sensor, and a relay; When the switch control circuit is in an active state, the control circuit controls the relay to be closed or opened according to a signal from the infrared sensor, and determines whether the switch control circuit is switched from the active state to the fail-closed state according to the switching frequency of the power supply to the unpowered state; And when the switch control circuit is in a fail-closed state, the control circuit controls the relay to be closed. When the power supply is switched from the powered state to the unpowered state, the relay is turned off, the switch control circuit is in a fail-open state, and the power supply is again powered. Switching to the powered state, the switch control circuit transitions to an active state.
可选的,上述控制电路设置为,在预设时间段内检测到电源由有供电至无供电状态的次数未达到预定次数的情况下,开关控制电路处于有效状态;以及在预设时间段内检测到电源由供电到无供电状态的次数达到预定次数的情况下,控制电路处于失效闭合状态。 Optionally, the control circuit is configured to: when the number of times that the power source is powered to the unpowered state is less than the predetermined number of times, the switch control circuit is in an active state; and within a preset time period. The control circuit is in a fail-closed state when it is detected that the number of times the power source is supplied from the power supply to the no-power state reaches a predetermined number of times.
可选的,上述电路还包括无线收发器,其中,控制电路通过无线收发器与控制终端连接,并通过无线收发器接收来自控制终端的无线控制信号控制继电器闭合或断开;或所述控制电路根据无线控制信号切换开关控制电路的状态。Optionally, the circuit further includes a wireless transceiver, wherein the control circuit is connected to the control terminal through the wireless transceiver, and receives a wireless control signal from the control terminal to control the relay to be closed or disconnected through the wireless transceiver; or the control circuit The state of the switch control circuit is switched according to the wireless control signal.
可选的,上述无线控制信号中包括定时表,定时表中包括控制继电器的动作以及执行动作对应的时刻。Optionally, the wireless control signal includes a timing table, where the timing table includes an action of controlling the relay and a time corresponding to the execution action.
可选的,上述控制电路还设置为,在无线收发器请求查询红外感应器的指定范围内是否存在有效物时,从红外感应器获取检测结果,将检测结果反馈给无线收发器。Optionally, the control circuit is further configured to: when the wireless transceiver requests to query the infrared sensor for a valid range, obtain the detection result from the infrared sensor, and feed the detection result to the wireless transceiver.
可选的,红外感应器为热释电红外感应器,红外感应器设置为在预定范围内探测到有效物后,向控制电路发送电信号,以及控制电路设置为,在接收到电信号后控制继电器闭合,在未接收到来自红外感应器的电信号时控制继电器断开。Optionally, the infrared sensor is a pyroelectric infrared sensor, and the infrared sensor is configured to send an electrical signal to the control circuit after detecting the effective object within a predetermined range, and the control circuit is configured to control after receiving the electrical signal The relay is closed and the control relay is turned off when an electrical signal from the infrared sensor is not received.
本公开的第二个方面,提供了一种开关控制电路的控制方法,包括:在开关控制电路处于有效状态下,根据在指定范围内是否检测到有效物的情况来控制开关控制电路闭合或断开;在根据开关控制电路由被供电至无供电状态的切换频率确定将开关控制电路由有效状态转换至失效闭合状态后,控制开关控制电路闭合,开关控制电路转换至失效闭合状态;以及在开关控制电路处于失效闭合状态的过程中,如果开关控制电路中的电源由被供电转换至无供电状态,开关控制电路断开,开关控制电路转换至失效断开状态,待电源再由无供电状态转换至被供电状态,开关控制电路转换至有效状态。A second aspect of the present disclosure provides a control method of a switch control circuit, including: controlling a switch control circuit to be closed or broken according to whether a valid object is detected within a specified range when the switch control circuit is in an active state After determining that the switch control circuit is switched from the active state to the fail-closed state according to the switching frequency of the switch control circuit from being powered to the unpowered state, the control switch control circuit is closed, the switch control circuit is switched to the fail-closed state; When the control circuit is in the fail-closed state, if the power supply in the switch control circuit is switched from being powered to the unpowered state, the switch control circuit is turned off, the switch control circuit is switched to the fail-open state, and the power supply is switched from the unpowered state. Until the power is supplied, the switch control circuit is switched to the active state.
可选的,在开关控制电路处于有效状态下,根据在指定范围内是否检测到有效物的情况来控制开关控制电路闭合或断开,包括:在预设时间段内检测到开关控制电路由闭合至断开的次数未达到预定次数的情况下,开关控制电路保持有效状态;以及在预设时间段内检测到开关电路由闭合至断开的次数达到预定次数的情况下,控制电路转换至失效闭合状态。Optionally, when the switch control circuit is in an active state, controlling whether the switch control circuit is closed or opened according to whether the active object is detected within the specified range, includes: detecting that the switch control circuit is closed within a preset time period The switch control circuit remains in an active state until the number of disconnections does not reach the predetermined number of times; and the control circuit switches to the failure condition when the number of times the switch circuit is detected from closed to open reaches a predetermined number of times within a preset period of time Closed state.
可选的,上述方法还包括:根据接收到的来自控制终端的无线控制信号控制开关控制电路闭合或断开;或根据无线控制信号切换开关控制电路的状态,其中,无线控制信号中包括定时表,定时表中包括控制开关控制电路的动作以及执行动作对应的时刻。Optionally, the method further includes: controlling the switch control circuit to be closed or disconnected according to the received wireless control signal from the control terminal; or switching the state of the switch control circuit according to the wireless control signal, wherein the wireless control signal includes a timing table The timing table includes the actions of controlling the switch control circuit and the timing corresponding to the execution of the action.
可选的,上述方法还包括:在接收到控制终端查询指定范围内是否存在有 效物的请求时,从开关控制电路中的红外感应器获取检测结果,将检测结果反馈给控制终端。本公开实施例提供的方案,可以根据开关控制电路的供电状态确定该开关电路的断开与闭合,能够在短时间内控制开关控制电路持续闭合。Optionally, the foregoing method further includes: if the control terminal receives the query, whether the presence of the specified range exists When the effect is requested, the detection result is obtained from the infrared sensor in the switch control circuit, and the detection result is fed back to the control terminal. The solution provided by the embodiment of the present disclosure can determine the opening and closing of the switch circuit according to the power supply state of the switch control circuit, and can control the switch control circuit to continuously close in a short time.
附图说明DRAWINGS
图1是本公开实施例1提供的开关控制电路的示意图;1 is a schematic diagram of a switch control circuit according to Embodiment 1 of the present disclosure;
图2是本公开实施例2提供的开关控制电路的示意图;2 is a schematic diagram of a switch control circuit according to Embodiment 2 of the present disclosure;
图3是本公开实施例3中在照明电路中应用开关控制电路的示意图;3 is a schematic diagram of applying a switch control circuit in a lighting circuit in Embodiment 3 of the present disclosure;
图4是本公开实施例3中通过第二开关控制开关控制电路切换至失效闭合状态的流程图;4 is a flow chart of switching to a fail-closed state by a second switch control switch control circuit in Embodiment 3 of the present disclosure;
图5是本公开实施例3中红外感应自动开关的状态迁移图;5 is a state transition diagram of an infrared sensing automatic switch in Embodiment 3 of the present disclosure;
图6是本公开实施例4中将红外感应自动开关由失效闭合状态切换为有效状态的流程图;6 is a flow chart of switching an infrared sensing automatic switch from a fail-closed state to an active state in Embodiment 4 of the present disclosure;
图7是本公开实施例4中将红外感应自动开关应用于照明灯电路中的示意图;7 is a schematic diagram of applying an infrared sensing automatic switch to an illumination lamp circuit in Embodiment 4 of the present disclosure;
图8是本公开实施例5中红外感应自动开关根据APP发送的改变状态指令进行状态切换的状态迁移图;8 is a state transition diagram of a state switching of an infrared sensing automatic switch according to a change state command sent by an APP according to Embodiment 5 of the present disclosure;
图9是本公开实施例5中是红外感应自动开关根据APP发送的定时表进行状态切换的状态迁移图;9 is a state transition diagram of state switching of an infrared sensing automatic switch according to a timing table sent by an APP according to Embodiment 5 of the present disclosure;
图10是本公开实施例5中红外感应自动开关处于有效状态时的APP界面示意图;10 is a schematic diagram of an APP interface when an infrared sensing automatic switch is in an active state according to Embodiment 5 of the present disclosure;
图11是本公开实施例5中显示设置定时表的APP界面示意图;11 is a schematic diagram of an APP interface for displaying a setting timing table in Embodiment 5 of the present disclosure;
图12是本公开实施例5中通过APP查询红外感应自动开关状态的界面示意图;12 is a schematic diagram of an interface for querying an infrared sensing automatic switch state by an APP according to Embodiment 5 of the present disclosure;
图13是本公开实施例5中在多个红外感应自动开关均处于有效状态时的APP界面示意图;13 is a schematic diagram of an APP interface when a plurality of infrared sensing automatic switches are in an active state in Embodiment 5 of the present disclosure;
图14是本公开实施例5中通过APP对红外感应自动开关联网的示意图;以及 14 is a schematic diagram of networking of an infrared sensing automatic switch by an APP in Embodiment 5 of the present disclosure;
图15是本公开实施例6中开关控制电路的控制方法的流程图。Figure 15 is a flowchart of a control method of a switch control circuit in Embodiment 6 of the present disclosure.
具体实施方式detailed description
以下结合附图以及实施例,对本公开进行详细说明。此处所描述的实施例仅仅用以解释本公开,并不限定本公开。在不冲突的情况下,以下实施例以及实施例中的技术特征可以相互任意组合。The present disclosure will be described in detail below with reference to the accompanying drawings and embodiments. The embodiments described herein are merely illustrative of the disclosure and are not limiting of the disclosure. The technical features in the following embodiments and the embodiments may be arbitrarily combined with each other without conflict.
实施例1Example 1
本实施例提供了一种开关控制电路,图1是该控制电路的示意图,如图1所示,该开关控制电路包括:电源、控制电路、红外感应器以及继电器。电源设置为将交流电转换为直流电,供给控制电路、红外感应器以及继电器;在开关控制电路处于有效状态下,控制电路根据来自红外感应器的信号控制继电器闭合或断开,根据电源由被供电至无供电状态的切换频率确定开关控制电路是否由有效状态转换至失效闭合状态;在开关控制电路处于失效闭合状态下,控制电路控制继电器闭合,待电源由被供电状态转换至无供电状态时,继电器断开,开关控制电路处于失效断开状态,待电源再由无供电状态转换至被供电状态,开关控制电路转换至有效状态。其中,在所述开关控制电路的失效闭合状态和失效断开状态中,控制电路不根据红外感应器的信号控制继电器闭合或断开,控制电路根据电源的被供电状态和无供电状态之间的切换控制继电器的闭合或断开。This embodiment provides a switch control circuit. FIG. 1 is a schematic diagram of the control circuit. As shown in FIG. 1, the switch control circuit includes: a power supply, a control circuit, an infrared sensor, and a relay. The power supply is set to convert the alternating current into direct current, and is supplied to the control circuit, the infrared sensor and the relay; when the switch control circuit is in an active state, the control circuit controls the relay to be closed or opened according to the signal from the infrared sensor, and is powered according to the power source. The switching frequency of the unpowered state determines whether the switch control circuit is switched from the active state to the fail-closed state; when the switch control circuit is in the fail-closed state, the control circuit controls the relay to be closed, and when the power supply is switched from the powered state to the unpowered state, the relay When disconnected, the switch control circuit is in a fail-open state, and the switch control circuit is switched to the active state after the power supply is switched from the no-power state to the powered state. Wherein, in the fail-closed state and the fail-open state of the switch control circuit, the control circuit does not control the relay to be closed or opened according to the signal of the infrared sensor, and the control circuit is based on the between the powered state and the unpowered state of the power supply. Switch the control relay to close or open.
可选的,上述控制电路设置为,在预设时间段内检测到电源由有供电至无供电状态的次数未达到预定次数的情况下,开关控制电路处于有效状态;以及在预设时间段内检测到电源由有供电到无供电状态的次数达到预定次数的情况下,控制电路处于失效闭合状态。Optionally, the control circuit is configured to: when the number of times that the power source is powered to the unpowered state is less than the predetermined number of times, the switch control circuit is in an active state; and within a preset time period. The control circuit is in a fail-closed state when it is detected that the number of times the power supply has been supplied to the unpowered state reaches a predetermined number of times.
上述开关控制电路还可以包括无线收发器(也可称为无线模块),其中,控制电路通过该无线收发器与控制终端连接,并通过无线收发器接收来自控制终端的无线控制信号控制继电器闭合或断开;或所述控制电路根据无线控制信号切换开关控制电路的状态。开关控制电路的状态的切换包括有效状态、失效闭合状态以及失效断开状态之间的切换,可选的,该无线信号中还可以包括定时表,定时表中包括控制继电器的动作以及执行动作对应的时刻。The switch control circuit may further include a wireless transceiver (also referred to as a wireless module), wherein the control circuit is connected to the control terminal through the wireless transceiver, and receives a wireless control signal from the control terminal through the wireless transceiver to control the relay to close or Disconnected; or the control circuit switches the state of the switch control circuit in accordance with the wireless control signal. The switching of the state of the switch control circuit includes switching between an active state, a fail-closed state, and a fail-open state. Optionally, the wireless signal may further include a timing table, and the timing table includes an action of the control relay and an execution action corresponding to Moment.
可选的,上述控制电路还设置为,在无线收发器请求查询红外感应器的指 定范围内是否存在有效物时,从红外感应器获取检测结果,将检测结果反馈给无线收发器,无线收发器将检测结果告知给控制终端,方便用户根据控制终端的接收的检测结果控制开关控制电路的状态。Optionally, the above control circuit is further configured to request the infrared sensor to query the infrared sensor When there is a valid object in the range, the detection result is obtained from the infrared sensor, and the detection result is fed back to the wireless transceiver, and the wireless transceiver notifies the control terminal to the control terminal, so that the user can control the switch control according to the detection result of the control terminal receiving. The state of the circuit.
可选的,本实施例中的红外感应器为热释电红外感应器,红外感应器设置为在预定范围内探测到有效物后,向控制电路发送电信号,以及控制电路设置为,在接收到电信号后控制继电器闭合,在未接收到来自红外感应器的电信号时控制继电器断开。Optionally, the infrared sensor in this embodiment is a pyroelectric infrared sensor, and the infrared sensor is configured to send an electrical signal to the control circuit after the active object is detected within a predetermined range, and the control circuit is configured to receive The control relay is closed after the electrical signal is applied, and the control relay is turned off when an electrical signal from the infrared sensor is not received.
本实施例提供的方案操作简单、成本低廉、节省电能、功能丰富、方便快捷,既可应用于办公室、教室以及商用大厅等商用场所,也可以应用于家庭,是可实现智慧家居的电气设备。The solution provided by the embodiment is simple in operation, low in cost, energy-saving, rich in functions, convenient and fast, and can be applied to commercial places such as offices, classrooms, and commercial halls, and can also be applied to households, and is an electrical device capable of realizing smart home.
实施例2Example 2
图2是本公开实施例2提供的开关控制电路的示意图,如图1和图2所示,该开关控制电路,也称红外感应自动开关,可以包括热释电红外感应器、电源、控制电路、无线收发器、继电器、第一开关,以及控制终端的应用软件(图中未示出)。2 is a schematic diagram of a switch control circuit according to Embodiment 2 of the present disclosure. As shown in FIG. 1 and FIG. 2, the switch control circuit, also referred to as an infrared induction automatic switch, may include a pyroelectric infrared sensor, a power supply, and a control circuit. , a wireless transceiver, a relay, a first switch, and application software for controlling the terminal (not shown).
其中,电源可以设置为将220V交流电变压整流为5V以及3.3V直流电,并为热释电红外感应器、继电器、控制电路和无线收发器供电。控制终端的应用软件通过无线方式与红外感应自动开关相连,红外感应自动开关也可以以无线的方式接入无线路由器中。Among them, the power supply can be set to rectify 220V AC voltage to 5V and 3.3V DC, and supply power to pyroelectric infrared sensors, relays, control circuits and wireless transceivers. The application software of the control terminal is connected to the infrared sensor automatic switch wirelessly, and the infrared sensor automatic switch can also be wirelessly connected to the wireless router.
控制电路是红外感应自动开关的核心,可以接收热释电红外感应器的信号、无线收发器的指令以及电源的断电和通电次数信息,通过逻辑判断,给继电器发送控制电信号,控制第一开关的断开或者闭合。继电器本身可以包括开关,本公开的第一开关可以是继电器里的开关。The control circuit is the core of the infrared induction automatic switch, and can receive the signal of the pyroelectric infrared sensor, the instruction of the wireless transceiver, and the power-off and power-on times information of the power source, and send a control electric signal to the relay through logic judgment, and control the first The switch is opened or closed. The relay itself may include a switch, and the first switch of the present disclosure may be a switch in the relay.
可选地,本实施例中的无线收发器采用无线保真(Wireless Fidelity,WiFi)无线技术,方便与支持WiFi技术的大多数智能手机连接。Optionally, the wireless transceiver in this embodiment adopts Wireless Fidelity (WiFi) wireless technology to facilitate connection with most smart phones supporting WiFi technology.
热释电红外感应器在一定的范围内探测到人或动物后,产生电信号,控制电路收到该电信号后,经过逻辑判定,通过继电器控制第一开关闭合;以及热释电红外感应器在其探测范围内没有探测到人或动物,不会产生电信号,控制电路经过逻辑判定,通过继电器控制第一开关断开。 The pyroelectric infrared sensor generates an electrical signal after detecting a human or an animal within a certain range, and after receiving the electrical signal, the control circuit logically determines that the first switch is closed by the relay; and the pyroelectric infrared sensor No human or animal is detected within its detection range, no electrical signal is generated, and the control circuit is logically determined to control the first switch to be turned off by the relay.
可选的,开关控制电路具有计数功能、状态记忆功能(断电后仍然保持存储的状态不丢失)、存储功能以及定时功能。开关控制电路记忆的状态包括有效状态、失效闭合状态和失效断开状态,该三种状态与上述实施例1中的状态一致,开关控制电路每一时刻只能处于三种状态中的一种。当开关控制电路处于有效状态时,在预设时间(如,15秒)内(断电仍能计时),若控制电路每检测到电源输出的5V直流电“断电切换到通电”一次,状态计数器加1,当状态计数器达到预设次数阈值(如,3)时,则控制电路输出电信号,继电器收到该电信号后,控制第一开关闭合,红外感应自动开关进入失效闭合状态,此时热释电红外感应器的探测范围内无论是否有人或动物,第一开关均不会断开。可选的,在第一开关闭合的情况下,若电源没有输出5V直流电(断电),则继电器无法控制第一开关闭合,第一开关断开,红外感应自动开关进入有效状态。Optionally, the switch control circuit has a counting function, a state memory function (the state that remains stored after the power is off is not lost), a storage function, and a timing function. The states memorized by the switch control circuit include an active state, a fail-closed state, and a fail-open state, which are consistent with the state in the above-described Embodiment 1, and the switch control circuit can only be in one of three states at a time. When the switch control circuit is in the active state, within the preset time (for example, 15 seconds) (the power can still be timed), if the control circuit detects the 5V DC output of the power supply, "power off to power on" once, the status counter When the state counter reaches the preset number threshold (for example, 3), the control circuit outputs an electrical signal. After receiving the electrical signal, the relay controls the first switch to close, and the infrared sensing automatic switch enters a fail-closed state. The first switch will not open regardless of whether there is a person or an animal within the detection range of the pyroelectric infrared sensor. Optionally, if the first switch is closed, if the power supply does not output 5V direct current (power off), the relay cannot control the first switch to close, the first switch is turned off, and the infrared induction automatic switch enters an active state.
实施例3Example 3
本实施例在照明电路中增加如实施例1以及实施例2中提供的红外感应自动开关,形成带红外感应自动开关控制的照明电路,如图3所示。In this embodiment, an infrared induction automatic switch as provided in Embodiment 1 and Embodiment 2 is added to the illumination circuit to form an illumination circuit with infrared induction automatic switch control, as shown in FIG.
本实施例中的热释电红外感应器的探测距离为6米时,如果照明灯距地面2.5米,一个红外感应自动开关可控制的范围为半径5.5米的圆形区域。在此范围内,在天花板安装合适数量的照明灯(例如图3中3个照明灯),由一个红外感应自动开关控制。When the detection distance of the pyroelectric infrared sensor in this embodiment is 6 meters, if the illumination lamp is 2.5 meters away from the ground, an infrared induction automatic switch can control a circular area with a radius of 5.5 meters. Within this range, a suitable number of illuminators (e.g., three illuminators in Figure 3) are mounted on the ceiling and controlled by an infrared-sensing automatic switch.
本实施例中的第二开关设置为将红外感应自动开关切换为失效闭合状态,例如,在15秒内,第二开关连续“由断开切换到闭合”三次,在热释电红外感应器的探测范围之内无论是否有人或者动物,红外感应自动开关控制的照明灯都常亮。控制流程如图4所示,包括以下步骤:The second switch in this embodiment is configured to switch the infrared sensing automatic switch to a fail-closed state. For example, within 15 seconds, the second switch continuously switches from off to closed three times in the pyroelectric infrared sensor. The illumination of the infrared-sensing automatic switch is always on, regardless of whether there is a person or an animal within the detection range. The control flow is shown in Figure 4 and includes the following steps:
第二开关闭合,且红外感应自动开关处于有效状态,控制电路中的计数器的值为0,第一开关处于断开状态;The second switch is closed, and the infrared sensing automatic switch is in an active state, the value of the counter in the control circuit is 0, and the first switch is in an off state;
断开第二开关,立即闭合第二开关,控制电路检测到电源输出的5V直流电“由断电切换至通电”一次;Disconnecting the second switch, immediately closing the second switch, and the control circuit detects that the 5V DC output of the power supply is "switched from power-off to power-on" once;
控制电路判断状态计数器是否为0,如果状态计数器是0,则将定时器清零,开始15秒定时,进入下一步;如果不为0,则进入下一步;The control circuit determines whether the status counter is 0. If the status counter is 0, the timer is cleared, the 15 second timing is started, and the next step is entered; if not, the next step is entered;
控制电路判断定时器是否到了15秒:如果到了15秒,则将状态计数器清 零,结束;如果没有到15秒,进入下一步;The control circuit determines if the timer has reached 15 seconds: if it is 15 seconds, the status counter is cleared. Zero, end; if not 15 seconds, go to the next step;
状态计数器加1;The status counter is incremented by one;
控制电路判断状态计数器是否等于3,如果状态计数器不等于3,返回断开第二开关的步骤;如果状态计数器等于3,进入下一步;The control circuit determines whether the status counter is equal to 3, if the status counter is not equal to 3, returns to the step of disconnecting the second switch; if the status counter is equal to 3, proceeds to the next step;
控制电路输出电信号,继电器收到该电信号后,控制第一开关闭合,红外感应自动开关控制的照明灯点亮,红外感应自动开关进入失效闭合状态,此时热释电红外感应器探测范围内无论是否有人或者动物,均不影响照明灯的状态,进入下一步;以及The control circuit outputs an electric signal, and after receiving the electric signal, the relay controls the first switch to be closed, and the illumination light controlled by the infrared induction automatic switch is illuminated, and the infrared induction automatic switch enters a fail-closed state, and the pyroelectric infrared sensor detects the range at this time. No matter whether someone or an animal, does not affect the state of the light, go to the next step;
状态计算器清零。The status calculator is cleared.
红外感应自动开关的状态迁移图如图5所示。The state transition diagram of the infrared sensing automatic switch is shown in Figure 5.
本公开的实施例3可以将红外感应自动开关切换为单刀单掷开关,可以满足在一些场合需要照明灯全部常亮的需求。Embodiment 3 of the present disclosure can switch the infrared induction automatic switch to the single-pole single-throw switch, which can meet the requirement that all the illumination lamps need to be always bright in some occasions.
在本实施例中,要将红外感应自动开关由失效闭合状态切换为有效状态,可以将所述第二开关断开,然后在任何时候闭合第二开关都可以,控制流程如图6所示,状态迁移图如图5所示,图6所示的流程可以包括如下步骤:In this embodiment, the infrared switch automatic switch is switched from the fail-closed state to the active state, the second switch can be turned off, and then the second switch can be closed at any time. The control flow is as shown in FIG. The state transition diagram is shown in Figure 5. The process shown in Figure 6 can include the following steps:
红外感应自动开关处于失效闭合状态或失效断开状态;The infrared sensing automatic switch is in a fail-closed state or a failed-open state;
断开第二开关,由于继电器没有供电,无法控制第一开关闭合,所以第一开关断开;以及Disconnecting the second switch, since the relay is not powered, the first switch cannot be controlled to be closed, so the first switch is turned off;
闭合第二开关,红外感应自动开关进入有效状态。When the second switch is closed, the infrared sensing automatic switch enters an active state.
实施例4Example 4
本实施例中,可以控制多个照明灯,可以按照一个红外感应自动开关的控制半径为5.5米的圆形区域,计算所需的红外感应自动开关数量和位置,电路示意图如图7所示。In this embodiment, a plurality of illumination lamps can be controlled, and the number and position of the required infrared induction automatic switches can be calculated according to a circular area with a control radius of 5.5 meters of an infrared induction automatic switch. The circuit schematic is shown in FIG. 7.
其中,总开关除了控制总电源断开和闭合外,还可以设置为控制将所有红外感应自动开关在有效状态和失效闭合状态之间的切换。Among them, in addition to controlling the main power supply to open and close, the main switch can also be set to control the switching between all the infrared sensing automatic switches in the active state and the fail-closed state.
当所有第二开关处于闭合状态,可以在15秒内,连续“由断开切换到闭合”总开关三次,在所有热释电红外感应器的探测范围之内无论是否有人或者动物,所有红外感应自动开关控制的照明灯都不熄灭,切换流程与实施例3中流程一 样。When all the second switches are in the closed state, the total switch can be switched from "off to close" three times in 15 seconds. All infrared sensors are detected within the detection range of all pyroelectric infrared sensors, whether or not there are people or animals. The illumination of the automatic switch control is not extinguished, and the switching process is the same as that in the first embodiment. kind.
在本实施例中,将所有红外感应开关由失效闭合状态切换为有效状态,可以将总开关断开,然后闭合总开关。In this embodiment, all of the infrared sensing switches are switched from the fail-closed state to the active state, the main switch can be turned off, and then the main switch can be closed.
本实施例可以对多个红外感应自动开关进行状态切换,避免了逐个对第二开关进行“断开切换至闭合”的操作,提高了控制效率。In this embodiment, the state switching of the plurality of infrared sensing automatic switches can be performed, thereby avoiding the operation of “opening to closing” of the second switch one by one, thereby improving the control efficiency.
实施例5Example 5
本实施例中,控制电路可以通过无线收发器以WiFi无线方式与智能手机应用(Application,APP)自动实现互连,智能手机APP可对红外感应自动开关进行控制。In this embodiment, the control circuit can be automatically interconnected with the smart phone application (Application, APP) through the wireless transceiver via the wireless transceiver, and the smart phone APP can control the infrared induction automatic switch.
智能手机APP可以发送四种指令:改变状态指令、查询指令、开灯或关灯指令和设置定时表指令。The smartphone app can send four commands: changing the status command, querying the command, turning the light on or off, and setting the timer command.
红外感应自动开关的三种状态(有效状态、失效闭合状态以及失效断开状态)可以通过智能手机APP发送的改变状态指令进行互相切换,开灯或关灯指令也可以实现部分状态的切换。状态迁移图如图8所示,APP界面示意图如图10、11和12所示。The three states of the infrared sensing automatic switch (active state, fail-closed state, and fail-opened state) can be switched by the change state command sent by the smart phone APP, and the partial light can be switched on or off. The state transition diagram is shown in Figure 8, and the APP interface is shown in Figures 10, 11 and 12.
智能手机APP可以为红外感应自动开关设置定时表以及相应的开闭动作,当定时时间到,红外感应自动开关自动按照定时表中设定的动作改变状态。其状态迁移图如图9所示。The smart phone APP can set the timing meter and the corresponding opening and closing action for the infrared sensing automatic switch. When the timing time is up, the infrared sensing automatic switch automatically changes the state according to the action set in the timing table. Its state transition diagram is shown in Figure 9.
智能手机APP既可以近端,又可以远程通过互联网查询、改变一个或多个红外感应自动开关的状态,还可以查询红外感应自动开关存储的数据,如第一开关的断开的时间点和时长,以及闭合的时间点和时长,还可以统计用电数据。The smart phone APP can be used at the near end, and can remotely query and change the state of one or more infrared sensing automatic switches through the Internet, and can also query the data stored by the infrared sensing automatic switch, such as the time and duration of the disconnection of the first switch. And the time and duration of the closure, as well as the statistics of electricity consumption.
智能手机APP既可以近端,又可以远程通过互联网查询一个或多个红外感应自动开关的控制范围内是否有人或者动物,从而决定是否需要进行关灯操作。APP界面示意图如图13所示,当一些红外感应自动开关控制的范围内有人或者动物时,可以将该红外感应自动开关显示为红色(图13中点状背景的红外感应自动开关2和红外感应自动开关4)并闪烁。The smart phone APP can be used at the near end and remotely through the Internet to check whether there is a person or an animal in the control range of one or more infrared sensing automatic switches, thereby determining whether a light-off operation is required. The schematic diagram of the APP interface is shown in Figure 13. When some people or animals are in the range controlled by the infrared induction automatic switch, the infrared induction automatic switch can be displayed in red (the infrared sensing automatic switch 2 and the infrared sensing in the background of the dot in Fig. 13) Automatic switch 4) and flashes.
如果需要让红外感应自动开关接入无线路由器,那么智能手机APP给无线收发器发送无线路由器的无线局域网络(Wireless Local Area Networks,WLAN)连接名称和密码,控制电路收到WLAN连接名称和密码后保存,一旦探测到该 无线路由器的WiFi信号,可自动接入该无线路由器,如图14所示,可以通过WiFi和联网按钮来进行相应的设置。其中,点击WiFi按钮,智能手机可以给无线电路发送无线路由器的WLAN连接名称和密码;点击联网按钮,智能手机可以指示红外感应自动开关通过WiFi接入互联网。If the infrared sensor automatic switch needs to be connected to the wireless router, the smart phone APP sends the wireless router's wireless local area network (WLAN) connection name and password to the wireless transceiver, and the control circuit receives the WLAN connection name and password. Save once it is detected The wireless router's WiFi signal can be automatically connected to the wireless router. As shown in Figure 14, the corresponding settings can be made through WiFi and networking buttons. Among them, click the WiFi button, the smart phone can send the wireless router's WLAN connection name and password to the wireless circuit; click the network button, the smart phone can indicate the infrared sensor automatic switch to access the Internet through WiFi.
本实施例通过智能手机APP实现了近端和远程对红外感应自动开关的查询和控制,在用户出门前忘记关灯的情况下,可以通过远程控制照明灯,无人在家时也可开灯防贼,并满足用户统计用电数据等需求。In this embodiment, the smart phone APP realizes the query and control of the near-end and the remote infrared-sensing automatic switch. When the user forgets to turn off the light before going out, the light can be remotely controlled, and the light can be turned on when no one is at home. Thieves, and meet the needs of user statistics and electricity consumption data.
本实施例的方案采用热释电红外感应器实现“按需照明”自动开关功能,节省了电能,避免了无谓损耗;利用手动、智能手机APP(近端和远程)和定时表等方式可进行三种状态之间的切换和控制,满足“常明”、智能手机APP开灯、关灯(关灯前可以查询灯下是否有人)、智能手机APP设置定时表、批量开灯关灯、远程操作以及统计数据等需求。The solution of the embodiment adopts a pyroelectric infrared sensor to realize the "on-demand illumination" automatic switching function, which saves electric energy and avoids unnecessary loss; and can be performed by means of manual, smart phone APP (near end and remote) and timing meter Switching and control between the three states, to meet the "Changming", smart phone APP to turn on the lights, turn off the lights (can check whether there are people under the lights before turning off the lights), smart phone APP setting timer, batch turn off lights, remote Operational and statistical data requirements.
实施例6Example 6
本实施例提供了一种开关控制电路控制方法,图15是该方法的流程图。This embodiment provides a switch control circuit control method, and FIG. 15 is a flowchart of the method.
在步骤110中,在开关控制电路处于有效状态下,根据在指定范围内是否检测到有效物的情况来控制开关控制电路闭合或断开。In step 110, when the switch control circuit is in an active state, the switch control circuit is controlled to be closed or opened depending on whether or not the active is detected within the specified range.
在步骤120中,在根据开关控制电路由被供电至无供电状态的切换频率确定将开关控制电路由有效状态转换至失效闭合状态后,控制开关控制电路闭合,开关控制电路转换至失效闭合状态。In step 120, after determining that the switch control circuit is switched from the active state to the fail-closed state according to the switching frequency of the switch control circuit from being powered to the no-power state, the control switch control circuit is closed and the switch control circuit is switched to the fail-closed state.
在步骤130中,在开关控制电路处于失效闭合状态的过程中,如果开关控制电路中的电源的由被供电转换至无供电状态,开关控制电路断开,开关控制电路转换至失效断开状态,待电源再由无供电状态转换至被供电状态,开关控制电路转换至有效状态。In step 130, in the process that the switch control circuit is in the fail-closed state, if the power supply in the switch control circuit is switched from the power supply to the no-power supply state, the switch control circuit is turned off, and the switch control circuit is switched to the fail-open state. After the power supply is switched from the unpowered state to the powered state, the switch control circuit is switched to the active state.
在开关控制电路处于有效状态下,根据在指定范围内是否检测到有效物的情况来控制开关控制电路闭合或断开,可以包括:在预设时间段内检测到开关电路由闭合至断开的次数未达到预定次数的情况下,开关控制电路保持有效状态;以及在预设时间段内检测到开关控制电路由闭合至断开的次数达到预定次数的情况下,控制电路转换至失效闭合状态。When the switch control circuit is in an active state, controlling whether the switch control circuit is closed or opened according to whether the effective object is detected within the specified range may include: detecting that the switch circuit is closed to open within a preset time period In the case where the number of times does not reach the predetermined number of times, the switch control circuit remains in an active state; and in the case where the number of times the switch control circuit is detected to be closed to the predetermined number of times is reached within a preset period of time, the control circuit shifts to the fail-closed state.
上述方法还可以包括:根据接收到的来自控制终端的无线控制信号控制开 关控制电路闭合或断开;或根据无线控制信号切换开关控制电路的状态,其中,无线控制信号中包括定时表,定时表中包括控制开关控制电路的动作以及执行动作对应的时刻。The above method may further include: controlling to open according to the received wireless control signal from the control terminal The control circuit is closed or disconnected; or the state of the switch control circuit is switched according to the wireless control signal, wherein the wireless control signal includes a timing table, and the timing table includes an action of controlling the switch control circuit and a time corresponding to the execution of the action.
所述方法还包括:在接收到控制终端查询指定范围内是否存在有效物的请求时,从开关控制电路中的红外感应器获取检测结果,将检测结果反馈给控制终端。The method further includes: when receiving the request for the control terminal to query whether there is a valid object within the specified range, acquiring the detection result from the infrared sensor in the switch control circuit, and feeding back the detection result to the control terminal.
工业实用性Industrial applicability
本公开实施例提供的一种开关控制电路及其控制方法,能够在短时间内控制开关控制电路持续闭合。 A switch control circuit and a control method thereof are provided in an embodiment of the present disclosure, which can control the switch control circuit to continuously close in a short time.

Claims (10)

  1. 一种开关控制电路,包括:A switch control circuit comprising:
    电源、控制电路、红外感应器以及继电器;其中,Power supply, control circuit, infrared sensor and relay; among them,
    所述电源设置为将交流电转换为直流电,供给所述控制电路、所述红外感应器以及所述继电器;在所述开关控制电路处于有效状态下,所述控制电路根据来自所述红外感应器的信号控制所述继电器闭合或断开,根据所述电源由被供电至无供电状态的切换频率确定所述开关控制电路是否由有效状态转换至失效闭合状态;以及在所述开关控制电路处于失效闭合状态下,所述控制电路控制所述继电器闭合,待所述电源由被供电状态转换至无供电状态时,所述继电器断开,所述开关控制电路处于失效断开状态,待所述电源再由无供电状态转换至被供电状态,所述开关控制电路转换至有效状态。The power source is configured to convert alternating current into direct current, to supply the control circuit, the infrared sensor, and the relay; and when the switch control circuit is in an active state, the control circuit is based on the infrared sensor Signaling that the relay is closed or opened, determining whether the switch control circuit is transitioned from an active state to a fail-closed state according to a switching frequency of the power supply to a no-power state; and the switch control circuit is in a fail-closed state In the state, the control circuit controls the relay to be closed. When the power source is switched from the powered state to the unpowered state, the relay is turned off, and the switch control circuit is in a fail-open state, and the power supply is further Switching from the no-power state to the powered state, the switch control circuit transitions to an active state.
  2. 根据权利要求1所述的电路,其中,所述控制电路是设置为,在预设时间段内检测到所述电源由有供电至无供电状态的次数未达到预定次数的情况下,所述开关控制电路处于有效状态;以及在所述预设时间段内检测到所述电源由有供电到无供电状态的次数达到预定次数的情况下,所述控制电路处于失效闭合状态。The circuit according to claim 1, wherein said control circuit is configured to: in the case where it is detected within a preset period of time that the number of times the power source has been supplied to the unpowered state has not reached a predetermined number of times, the switch The control circuit is in an active state; and the control circuit is in a fail-closed state in the event that the number of times the power source has been powered to the unpowered state is detected for a predetermined number of times during the predetermined period of time.
  3. 根据权利要求1所述的电路,还包括无线收发器,其中,所述控制电路通过所述无线收发器与控制终端连接,并通过所述无线收发器接收来自所述控制终端的无线控制信号控制所述继电器闭合或断开;或所述控制电路根据所述无线控制信号切换所述开关控制电路的状态。The circuit of claim 1 further comprising a wireless transceiver, wherein said control circuit is coupled to the control terminal via said wireless transceiver and receives wireless control signal control from said control terminal via said wireless transceiver The relay is closed or opened; or the control circuit switches the state of the switch control circuit in accordance with the wireless control signal.
  4. 根据权利要求3所述的电路,其中,所述无线控制信号中包括定时表,所述定时表中包括控制所述继电器的动作以及执行所述动作对应的时刻。The circuit according to claim 3, wherein said wireless control signal includes a timing table including an action of controlling said relay and a timing at which said action is performed.
  5. 根据权利要求3所述的电路,其中,所述控制电路还设置为,在所述无线收发器请求查询所述红外感应器的指定范围内是否存在有效物时,从所述红 外感应器获取检测结果,将所述检测结果反馈给所述无线收发器。The circuit of claim 3 wherein said control circuit is further configured to: from said red when said wireless transceiver requests to query for a valid range within said specified range of said infrared sensor The outer sensor acquires the detection result, and feeds the detection result to the wireless transceiver.
  6. 根据权利要求1所述的电路,其中,所述红外感应器为热释电红外感应器,所述红外感应器设置为在预定范围内探测到有效物后,向所述控制电路发送电信号,以及所述控制电路设置为,在接收到所述电信号后控制所述继电器闭合,在未接收到来自所述红外感应器的电信号时控制所述继电器断开。The circuit of claim 1 wherein said infrared sensor is a pyroelectric infrared sensor, said infrared sensor being arranged to transmit an electrical signal to said control circuit after detecting an active object within a predetermined range, And the control circuit is configured to control the relay to close after receiving the electrical signal, and to control the relay to open when an electrical signal from the infrared sensor is not received.
  7. 一种开关控制电路的控制方法,包括:A control method for a switch control circuit includes:
    在所述开关控制电路处于有效状态下,根据在指定范围内是否检测到有效物的情况来控制所述开关控制电路闭合或断开;When the switch control circuit is in an active state, the switch control circuit is controlled to be closed or opened according to whether a valid object is detected within a specified range;
    在根据所述开关控制电路由被供电至无供电状态的切换频率确定将所述开关控制电路由有效状态转换至失效闭合状态后,控制所述开关控制电路闭合,所述开关控制电路转换至失效闭合状态;以及Controlling the switch control circuit to close after switching the switch control circuit from the active state to the fail-closed state according to the switching frequency of the switch control circuit from being powered to the no-power state, the switch control circuit transitioning to the failure Closed state;
    在所述开关控制电路处于失效闭合状态的过程中,如果所述开关控制电路中的电源由被供电转换至无供电状态,所述开关控制电路断开,所述开关控制电路转换至失效断开状态,待所述电源再由无供电状态转换至被供电状态,所述开关控制电路转换至有效状态。In the process that the switch control circuit is in a fail-closed state, if the power supply in the switch control circuit is switched from being powered to a no-power state, the switch control circuit is turned off, and the switch control circuit is switched to fail-open In a state, the power supply is switched from the unpowered state to the powered state, and the switch control circuit is switched to the active state.
  8. 根据权利要求7所述的方法,其中,所述在所述开关控制电路处于有效状态下,根据在指定范围内是否检测到有效物的情况来控制所述开关控制电路闭合或断开,包括:The method according to claim 7, wherein said controlling said switch control circuit to be closed or opened according to whether said active object is detected within a specified range when said switch control circuit is in an active state comprises:
    在预设时间段内检测到所述开关控制电路由闭合至断开的次数未达到预定次数的情况下,所述开关控制电路保持有效状态;以及在所述预设时间段内检测到所述开关控制电路由闭合至断开的次数达到预定次数的情况下,所述控制电路转换至失效闭合状态。The switch control circuit remains in an active state if the number of times the switch control circuit is detected to be closed to off a predetermined number of times within a preset period of time; and the detected in the preset time period In the case where the number of times the switch control circuit is closed to open reaches a predetermined number of times, the control circuit switches to a fail-closed state.
  9. 根据权利要求7所述的方法,还包括: The method of claim 7 further comprising:
    根据接收到的来自控制终端的无线控制信号控制所述开关控制电路闭合或断开;或根据所述无线控制信号切换所述开关控制电路的状态,其中,所述无线控制信号中包括定时表,所述定时表中包括控制所述开关控制电路的动作以及执行所述动作对应的时刻。Controlling the switch control circuit to be closed or disconnected according to the received wireless control signal from the control terminal; or switching the state of the switch control circuit according to the wireless control signal, wherein the wireless control signal includes a timing table, The timing table includes an action of controlling the switch control circuit and a time at which the action is performed.
  10. 根据权利要求7所述的方法,还包括:The method of claim 7 further comprising:
    在接收到控制终端查询指定范围内是否存在有效物的请求时,从所述开关控制电路中的红外感应器获取检测结果,将所述检测结果反馈给所述控制终端。 When receiving the request for the control terminal to query whether there is a valid object within the specified range, the detection result is obtained from the infrared sensor in the switch control circuit, and the detection result is fed back to the control terminal.
PCT/CN2017/075641 2016-03-04 2017-03-03 Switch control circuit and control method thereof WO2017148441A1 (en)

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