JP2011018657A - Switch and load control system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To readily add a function of another switch without a new wiring.SOLUTION: A load control system includes a transmitter W1 transmitting a wireless signal using infrared rays as a medium, and a switch S serially connected with a power source AC and a lighting load L via an electric wire to turn on/off the lighting load L according to the operation of an operation handle 20 or the wireless signal transmitted from the transmitter W1. Thus, the transmitter W1 transmitting the wireless signal by detecting presence/absence of a person in a detection area can be used in combination with the switch S equipped with the operation handle 20 and the function of another switch can be readily added without the new wiring. When the operation handle 20 is continuously depressed for a time period longer than usual (for example, two seconds), a control circuit part 1 switches over validity and invalidity of wireless control.

Description

  The present invention relates to a switch disposed on a construction surface such as a wall surface for turning on / off a load, and a load control system including a transmitter and a switch for transmitting a load control wireless signal to the switch. It is.

  2. Description of the Related Art Conventionally, hot wire automatic switches and timer switches are provided as switches that are arranged on a construction surface such as a wall surface to turn on and off a load, in addition to tumbler switches and push button switches that manually operate an operation handle. A hot-wire automatic switch is a switch that automatically opens and closes by detecting the presence or absence of a person in the detection area by detecting the heat rays radiated from the human body. It is used for the purpose of automatically blinking the load (see Patent Document 1). The timer switch is a switch that sets the time by operating the operation unit and operates when the set time is reached. For example, the timer switch is used for automatically lighting the lighting load at a time determined every day (see Patent Document 2). ). This type of switch is connected to a power source (commercial AC power source) and a load by an electric wire, and turns the load on and off by opening and closing a power supply path from the power source to the load.

JP 2000-131456 A JP-A-4-250393

  However, since the hot-wire automatic switch and the timer switch described above are both connected to a power source and a load by electric wires, it is attempted to control the same load by combining these two types of switches or a switch having an operation handle. In this case, since existing wiring cannot be used, it is necessary to newly wire, and it is not easy to add a hot-wire automatic switch or a timer switch to the existing switch.

  The present invention has been made in view of the above problems, and an object of the present invention is to provide a switch and a load control system in which functions of other switches can be easily added without newly wiring.

  The switch of the present invention is a switch that has a body arranged on a construction surface and turns on or off a load when an operation handle provided on the front surface of the body is operated, and transmits radio waves and light as a medium. Receiving means for receiving the received wireless signal, opening / closing means for opening / closing a power supply path from the power source to the load, and control means for turning on / off the load by controlling the opening / closing means according to the wireless signal received by the receiving means And an operation signal output means for detecting an operation state of the operation handle and outputting an operation signal, wherein the control means receives the operation signal detected when the operation handle is continuously operated for a predetermined time or more. The control of the opening / closing means according to the wireless signal is made effective when output from the output means.

  The switch of the present invention is a switch that has a body arranged on a construction surface and turns on or off a load when an operation handle provided on the front surface of the body is operated, and transmits radio waves and light as a medium. Receiving means for receiving the received wireless signal, opening / closing means for opening / closing a power supply path from the power source to the load, and control means for turning on / off the load by controlling the opening / closing means according to the wireless signal received by the receiving means And an operation signal output means for detecting an operation state of the operation handle and outputting an operation signal, and the control means includes an opening / closing means corresponding to the wireless signal each time the operation signal is output from the operation signal output means. It is characterized in that the state in which the control is enabled, the state in which the load is turned on, and the state in which the load is turned off are cyclically switched.

  In this switch, it is preferable that the control means starts counting a predetermined delay time from the time when the operation handle is operated, and switches the load from on to off by controlling the opening / closing means after the delay time is measured.

  The load control system of the present invention includes the switch and one or more types of transmitters that transmit a wireless signal, and the switch is detachably attached to the body and has a protrusion for identification. From the two types of operation handles having no protrusions, detection means for detecting the presence or absence of protrusions, operation signal output means for detecting an operation state of the operation handle and outputting an operation signal, and operation signal output means The control means for turning on / off the load by controlling the opening / closing means in accordance with the output operation signal and enabling the control of the opening / closing means in response to the wireless signal when the detection means detects a protrusion. It is characterized by comprising.

  In this load control system, the switch includes position display means for displaying the position of the operation handle, and control state display means for displaying that the control of the opening / closing means according to the wireless signal is effective, and has a protrusion. Both the position display means and the control state display means are visible when the operation handle is attached to the body, and only the position display means is visible when the operation handle is not attached to the body when it is attached to the body. Preferably it is possible.

  The switch and load control system of the present invention has an effect that functions of other switches can be easily added without newly wiring.

1 is a system configuration diagram showing Embodiment 1 of the present invention. It is a block diagram of the switch in the same as the above. It is a disassembled perspective view of the switch of 2 modules in the same as the above. It is a disassembled perspective view of the switch of 1 module in the same as the above. It is a block diagram of the transmitter in the same as the above. The transmitter in the above is shown, (a) is a front view, and (b) is a left side view. The transmitter of the other structure same as the above is shown, (a) is a front view, (b) is a left side view. It is a state transition diagram for operation | movement description of a switch in the same as the above. It is a time chart for operation | movement description same as the above. It is a state transition diagram for operation | movement description of a switch in the same as the above. It is a state transition diagram for explaining the operation of the switch in the same as above. It is a system block diagram which shows Embodiment 2 of this invention. It is a block diagram of the transmitter in the same as the above. It is a top view of the transmitter in the same as the above. It is a time chart for operation | movement description same as the above. It is a system block diagram which shows Embodiment 3 of this invention. It is a block diagram of the transmitter in the same as the above.

(Embodiment 1)
The load control system of the present embodiment is connected in series via a wire to a transmitter W1 that transmits a wireless signal using infrared as a medium, a power source (commercial AC power source) AC, and a lighting load L as shown in FIG. The switch S is configured to blink the illumination load L in response to an operation of the operation handle 20 or a wireless signal transmitted from the transmitter W1. Here, although the illumination load L which consists of an incandescent lamp is illustrated as a load, it is not the main point limited to this, It is loads other than illumination loads other than other illumination loads, such as a fluorescent lamp and a fluorescent lamp electronic ballast. Also good. Further, the medium for transmitting the wireless signal is not limited to the infrared ray but may be another medium such as a radio wave.

  FIG. 2 shows a block diagram of the switch S. The switch S is provided with a load control unit 2 having a switching element (for example, a triac) that opens and closes a power supply path from the power source AC to the lighting load L. The control circuit unit 1 including a microcomputer controls the load control unit 2. The switching element is subjected to switching control. The switch S has a light receiving element such as a photodiode or a phototransistor and receives a wireless signal using an infrared ray as a medium, and an amplification circuit 4 that amplifies the received signal received by the wireless signal receiving unit 3. A display unit 5 having a light-emitting element such as a light-emitting diode, and performing position display and control validity / invalidity display (control state) described later, and a tact switch that is pushed by the operation handle 20 And a switch input unit 6 for sending an operation signal to the control circuit unit 1 when the tact switch is turned on. That is, every time the operation handle 20 is pushed and an operation signal is sent from the switch input unit 6, the control circuit unit 1 switches the switching element of the load control unit 2 to switch the lighting load L on and off. . Further, the switch S is provided with a power supply circuit unit 7 for supplying operation power to the control circuit unit 1 and the like. When the load control unit 2 closes the power supply path from the power source AC to the lighting load L, the power source circuit unit 7 is supplied with power from the power source AC to create an operating power source and charges a capacitor (not shown) to control the load. When the unit 2 opens a power supply path from the power source AC to the lighting load L, an operating power source is created using the charge charged in the capacitor. For this reason, the switch S of the present embodiment can be connected in series to the power source AC and the illumination load L with two wires. However, since this type of power supply circuit unit 7 is conventionally well-known (see, for example, Japanese Patent Application Laid-Open No. 2000-357443, etc.), illustration and description of a detailed configuration and operation are omitted.

  Here, the switch S of the present embodiment is configured as a delay switch. When the operation handle 20 is pushed and an operation signal is sent from the switch input unit 6 when the illumination load L is lit, the control signal is transmitted. The circuit unit 1 starts measuring a predetermined delay time from the time when the operation signal is received, and controls the load control unit 2 to turn off the illumination load L after the measurement of the delay time. The switch input unit 6 is provided with a variable resistor, and an operation signal corresponding to the resistance value of the variable resistor is sent from the switch input unit 6 to the control circuit unit 1 as will be described later. Then, the delay time is adjusted between several tens of seconds to several tens of minutes based on the operation signal.

  The display unit 5 includes a light emitting element for position display (hereinafter referred to as “position display lamp”) and a light emitting element for display of control status (hereinafter referred to as “control state display lamp”). When the control circuit unit 1 controls the load control unit 2 to turn on the illumination load L, the position indicator lamp is turned off, and while the illumination load L is turned off, the position indicator lamp is turned on. The position of S is notified. On the other hand, the control state indicator lamp is turned on when the control of the illumination load L by the transmitter W1 is valid in the control circuit unit 1, and is turned off when the control of the illumination load L by the transmitter W1 is invalid. is there.

  FIG. 3 is a perspective view of the switch S. FIG. The body 10 of the switch S is made of a synthetic resin molded product in the shape of a rectangular box, is formed in the size of two modules of a wide handle type continuous switch (see JIS C 8304), is attached to the mounting frame 100 and is embedded in the wall surface. Established. Here, the mounting frame 100 can be mounted by connecting three modules of one module size in the short width direction. In the illustrated example, the switch S of the present embodiment and the module of one module size are mounted. A body 110 and a wide handle type switch S ′, which includes an operation handle 111 and turns on and off other loads, are connected to each other. That is, the switch S of the present embodiment can be arranged side by side with the switch S ′ that turns on and off another load by using one mounting frame 100, so that space can be saved. However, as shown in FIG. 4, the container 10 may be formed in one module size. In this case, two switches S ′ and S ″ each having a one-module module 110 and an operation handle 111 are used. Can be attached to the mounting frame 100. Further, since this type of mounting frame 100 is a well-known one that is standardized by Japanese Industrial Standards or the like, detailed illustration and description thereof are omitted.

  The container 10 houses a printed wiring board on which electronic components constituting each part shown in FIG. 2 are mounted, terminals for connecting electric wires, and the like. A pair of shaft portions 11 and 11 for pivotally supporting the operation handle 20 are provided at the front end of the central portion in the vertical direction on the front surface of the container body 10, and project at the right end portion of the central portion in the vertical direction. A round hole 12 for exposing the push button of the tact switch is provided. Further, in the vicinity of the shaft portion 11 on the front surface of the vessel body 10, two window holes 13 a and 13 b that face the two light emitting elements of the display unit 5 and a window hole that faces the light receiving element of the wireless signal receiving unit 3. 13c are arranged in the vertical direction. Further, a long rectangular hole 14a having a narrow rectangular shape and another elongated hole 14b shorter than the elongated hole 14a are provided in the lower part of the front surface of the vessel body 10, and the switch input unit 6 has one elongated hole 14a. An operation knob 15a for operating the variable resistor for adjusting the delay time is slidably inserted in the left-right direction, and the other elongated hole 14b is provided with a switch input unit 6 for selectively switching the channel of the wireless signal. An operation knob 15b of the slide switch is inserted so as to be slidable in the left-right direction.

  The operation handle 20 is formed of a synthetic resin material in a substantially rectangular shape in plan view, and a bearing portion (not shown) rotatably supported by the shaft portions 11 and 11 is provided on the back surface of the left end portion when viewed from the front. Is provided. That is, the operation handle 20 is attached to the front surface of the container 10 so as to be pivotable in the front-rear direction with the left end portion as a fulcrum by attaching the bearing portion to the shaft portions 11, 11, and is pushed from the front to the right end When the part approaches the front surface of the body 10, an operation protrusion (not shown) protruding from the back surface operates the push button of the tact switch exposed from the round hole 12.

  Further, three holes (not shown) facing the three window holes 13a, 13b, and 13c are formed in the left end portion of the operation handle 20, and a band plate-shaped light receiving cover is formed so as to close these three holes. 21 is attached. The light receiving cover 21 is made of a synthetic resin molded product having translucency for infrared rays and shielding light for visible light, and is provided with a position indicator lamp and a control at positions facing the upper and lower two window holes 13a and 13b. The light guide members 21a and 21b for irradiating the light (visible light) emitted by the state indicator lamp forward are embedded, and the light at the time of lighting of the position indicator lamp and the control indicator lamp is blocked by the light receiving cover 21. It can be visually recognized.

  Here, on the back surface of the operation handle 20, a protrusion 22 that protrudes rearward is provided at a portion that is an upper portion in the vertical direction and that is a right end portion when viewed from the front. The protrusion 22 is inserted into the insertion hole 16 provided at the upper right end when viewed from the front of the front surface of the body 10 with the operation handle 20 attached to the front surface of the body 10, and is stored in the body 10. A detection switch (not shown) is operated. The detection switch is composed of, for example, a micro switch, and an operation signal (detection signal) is sent from the switch input unit 6 to the control circuit unit 1 when being operated by the protrusion 22. While receiving this detection signal, the control circuit unit 1 enables the control of the load control unit 2 in accordance with the received signal received by the wireless signal receiving unit 3, and if no detection signal is received, the wireless signal receiving unit 3 The control of the load control unit 2 according to the received signal to be received becomes invalid. That is, there are two types of operation handle 20 with and without the protrusion 22, and when the load control system is configured in combination with the transmitter W 1, the operation handle 20 with the protrusion 22 is included in the body 10. If the switch S is used alone without being combined with the transmitter W1, the operation handle 20 having no protrusion 22 is attached to the body 10 and the wireless signal is controlled by the wireless signal. The control of the lighting load L can be invalidated. The operation handle 20 that does not have the protrusion 22 does not require the light guide member 21a facing the control state indicator lamp. When the operation handle 20 is attached, the control handle indicator lamp is hidden by the light receiving cover 21. Cannot be visually recognized, it can be easily determined whether or not the control of the illumination load L by the transmitter W1 is effective.

  FIG. 5 shows a block diagram of the transmitter W1. This transmitter W1 detects the presence of a person in the detection area by detecting heat rays radiated from the human body by a pyroelectric element, and detects ambient brightness by a photoelectric conversion element and a solar cell. A sensor unit 31 is provided for transmitting the ambient brightness detected by the brightness sensor and the presence / absence of the person detected by the human sensor. The brightness and human body detection results sent from the sensor unit 31 are input to a control circuit unit 30 formed of a microcomputer, and the control circuit unit 30 turns on the illumination load L when a human body is detected by the sensor unit 31. A control signal for generating The control signals generated by the control circuit unit 30 include those detected by the brightness sensor and those having a brightness detected by the brightness sensor that is less than the threshold (hereinafter referred to as “first control signal”). There are two types, one whose brightness is equal to or greater than a threshold value (hereinafter referred to as “second control signal”). The first and second control signals generated by the control circuit unit 30 are amplified by the amplifier circuit 32 and then sent to the wireless signal transmission unit 33. Then, the wireless signal transmission unit 33 drives a light emitting diode (not shown) according to the first and second control signals of the control circuit unit 30, and a wireless signal (first or first) is transmitted using infrared rays emitted from the light emitting diode as a medium. 2 control signal). In addition, the transmitter W1 is provided with a switch circuit unit 34 having a push button switch SW1 for forcibly turning on or off the illumination load L regardless of whether the sensor unit 31 detects the presence or absence of a person, and the push button switch SW1. Is operated and an operation signal is sent from the switch circuit unit 34, the control circuit unit 30 generates a control signal for turning on or off the lighting load L (hereinafter referred to as "third control signal"). It is like that. Further, the switch circuit unit 34 has a setting switch (variable resistor) for setting a threshold value for the brightness sensor, and the control circuit unit 30 responds to the setting signal sent from the switch circuit unit 34. A threshold is set. The transmitter W1 is provided with a power supply unit 35 that supplies an operating power source to each unit using a battery as a power source.

  FIG. 6 shows an external view of the transmitter W1. The transmitter W1 has a housing 40 made of a synthetic resin body 40a and a cover 40b, and a printed wiring board (not shown) on which electronic components constituting each part shown in FIG. Is done. The body 40a has a rectangular plate shape, and is attached to the wall surface by piercing push pins 41 inserted into the four corners from the front. The cover 40b has a substantially rectangular shape in plan view and is attached to the front surface of the body 40a. A lens 42 for condensing heat rays to the human sensor of the sensor unit 31 is provided below the cover 40b, and a wireless signal transmitting light emitting diode LD provided in the wireless signal transmitting unit 33 is provided above the cover 40b. An infrared transmission part 43 that transmits the emitted infrared light is provided. In addition, an operation unit 44 for operating the push button of the push button switch SW1 and an external light transmitting unit 45 for irradiating the brightness sensor with external light are arranged in the center of the cover 40b. Instead of using the push pin 41, as shown in FIG. 7, a double-sided tape 46 may be attached to the back surface of the housing 40 and attached to the wall surface.

  Next, the operation of this embodiment will be described. When the operation handle 20 is pushed and operated from the state where the illumination load L is lit (forced lighting), the control circuit unit 1 counts the set delay time T1 (delayed). Operation), when the counting of the delay time T1 ends (time up) or when the operation handle 20 is pushed again during the counting of the delay time T1, the load control unit 2 is controlled to turn off the illumination load L (forced) Off). The control circuit unit 1 controls the display unit 5 to turn off the position indicator lamp in the forced lighting state, blink the position indicator lamp during the delay time count, and turn on the position indicator lamp in the forced extinction state.

  On the other hand, in the transmitter W1, for example, when the sensor unit 31 detects that there is a person in the detection area when the illumination load L is in the off state and the ambient illuminance is less than the threshold value, the control circuit unit 30 1 control signal is generated and a wireless signal (first control signal) is transmitted from the wireless signal transmitter 33. In the control circuit unit 1 of the switch S that has received the first control signal, the switching element of the load control unit 2 is turned on if the switching element of the load control unit 2 is off, that is, the lighting load L is turned off. When the lighting load L is turned on, a preset operation holding time T2 is counted, and when the operation holding time T2 is counted, the load control unit 2 is controlled (the switching element is turned off) to turn off the lighting load L. To do. When the sensor unit 31 detects the presence of a person again during the operation holding time T2, the transmitter control circuit unit 30 causes the ambient illuminance to be greater than or equal to the threshold value due to the lighting load L being turned on. And a wireless signal (second control signal) is transmitted from the wireless signal transmitter 33. In the control circuit unit 1 of the switch S that has received the second control signal, the count of the operation holding time T2 is retriggered if the switching element of the load control unit 2 is on, that is, the lighting load L is lit. However, if the switch element of the load control unit 2 is turned off when the second control signal is received, that is, the lighting load L is turned off, the surroundings are considered brighter than the threshold value. The circuit unit 1 keeps the lighting load L off without controlling the load control unit 2. Here, since the operation holding time T2 is shared with the delay time T1 in the control circuit unit 1 of the switch S, there is no need to provide a timer for measuring the operation holding time T2 in the transmitter W1, and the configuration of the transmitter W1. Can be simplified. The control circuit unit 1 controls the display unit 5 to indicate that the control by the wireless signal (wireless control) is effective when the operation handle 20 having the projecting portion 22 is attached. Light up.

  FIG. 8 is a state transition diagram of the control circuit unit 1 when the operation handle 20 having no protrusion 22 is attached to the body 10. When the operation handle 20 is pushed from the state where the illumination load L is lit, the control circuit unit 1 counts the set delay time T1 (delay operation), and the count of the delay time T1 ends (time). Or when the operation handle 20 is pushed again during the counting of the delay time T1, the load control unit 2 is controlled to turn off the illumination load L. When the operation handle 20 is pushed while the illumination load L is turned off, the control circuit unit 1 controls the load control unit 2 to turn on the illumination load L (see FIG. 9). The control circuit unit 1 controls the display unit 5 so that the position indicator lamp is turned off when the lighting load L is lit, the position indicator lamp is blinked while the delay time is being counted, and the lighting load L is turned off. Turn on the position indicator. However, when the operation handle 20 not having the protrusion 22 is attached to the body 10, the control circuit unit 1 controls the display unit 5 to indicate that the wireless control is invalid, Turn off the light.

  As described above, the switch S and the load control system according to the present embodiment can be used in combination with the transmitter W1 that detects the presence or absence of a person in the detection area and transmits a wireless signal, without newly wiring. Other switch functions can be easily added. Moreover, since the transmitter W1 provided with a human sensor for detecting the presence or absence of a person and the switch S for controlling the blinking of the illumination load L are separate bodies, the transmitter W1 can be easily provided at a place where an optimal detection area can be obtained. Can be installed.

  By the way, switching of whether or not to enable the wireless control in the control circuit unit 1 of the switch S is performed by pressing the operation handle 20 instead of the presence or absence of the protrusion 22 of the operation handle 20 attached to the body 10. You may do it. For example, as shown in the state transition diagram of FIG. 10, when the lighting load L is on (except during counting of the delay time) or off, the operation handle 20 continues for a longer time than usual (for example, 2 seconds). When the control circuit unit 1 enables the wireless control when the operation handle 20 is pressed and the operation handle 20 is pressed when the illumination load L is turned on or off by the wireless control, the control circuit unit 1 Disable wireless control. Alternatively, as shown in the state transition diagram of FIG. 11, every time the operation handle 20 is pushed, the control circuit unit 1 turns on the lighting load L → (delayed operation) → turns off the lighting load L → effective wireless control → lighting The lighting of the load L may be switched cyclically.

(Embodiment 2)
The load control system of the present embodiment is characterized in that a transmitter W2 having a timer function (described later) is provided in addition to a transmitter W1 equipped with a human sensor and a brightness sensor as shown in FIG. . However, since the configuration and operation of the switch S and the transmitter W1 are the same as those of the first embodiment, the same components are denoted by the same reference numerals and description thereof is omitted.

  FIG. 13 shows a block diagram of the transmitter W2. The transmitter W2 is provided with a timer circuit unit 51 that counts the current time, and data of the current time measured by the timer circuit unit 51 is input to the control circuit unit 50 that includes a microcomputer. The control circuit unit 50 generates a control signal for turning on or off the illumination load L when the current time counted by the timer circuit unit 51 coincides with a preset time (control time). The control signal generated by the control circuit unit 50 is amplified by the amplification circuit 52 and then sent to the wireless signal transmission unit 53. Then, the wireless signal transmission unit 53 drives the light emitting diode LD according to the control signal of the control circuit unit 50, and transmits a wireless signal (control signal) using infrared rays emitted from the light emitting diode LD as a medium. The transmitter W2 includes a switch circuit unit 54 having setting switches 34a to 34d for setting a control time, and a liquid crystal circuit unit 55 having a liquid crystal display 55a for displaying the current time and the control time. The control circuit unit 50 sets the control time according to the setting signal sent from the switch circuit unit 54 and controls the liquid crystal circuit unit 55 to display the current time and the control time on the liquid crystal display 55a. It has become. The transmitter W2 is provided with a power supply unit 56 that supplies an operating power source to each unit using a battery as a power source.

  FIG. 14 shows an external view of the transmitter W2. The transmitter W2 has a housing 60 made of a flat box-shaped synthetic resin molded product, and a printed wiring board (not shown) on which electronic components constituting each part shown in FIG. Is done. The housing 60 is attached to the wall surface using a push pin or a double-sided tape as in the transmitter W1. An infrared transmission unit 61 that transmits infrared rays emitted from the wireless signal transmission light emitting diode LD provided in the wireless signal transmission unit 53 is provided on the upper portion of the housing 60. A liquid crystal display 55a is disposed in the center of the front surface of the housing 60, and operation buttons 62a to 62d for operating four operation switches (not shown) provided in the switch circuit unit 54 are provided below the liquid crystal display 55a. . Each time the operation button 62a is pressed and an operation signal is input from the switch circuit unit 54, the control circuit unit 50 switches from the current time setting mode to the control time setting mode to the normal mode. In the current time setting mode, when the operation buttons 62b and 62c are pressed and an operation signal is input from the switch circuit unit 54, the control circuit unit 50 forwards or reverses the current time of the timer circuit unit 51, and the liquid crystal circuit. The unit 55 is controlled to update the current time display on the liquid crystal display 55a. When the operation button 62d is pressed and an operation signal is input from the switch circuit unit 54, the control circuit unit 50 sets the time currently displayed on the liquid crystal display 55a to the timer circuit unit 51 as the current time. The normal time mode is restored from the current time setting mode. In the control time setting mode, the control time (lighting time) for turning on the lighting load L and the control time (lighting time) for turning it off are selected by pressing the operation buttons 62b and 62c, and the operation button 62d is pressed. Sometimes the lighting time or the lighting time is set in the control circuit unit 50. Here, in this embodiment, two types of timer control, “Kitchi” and “Answering machine”, can be selected. In “Kitchiri”, the lighting load L is lit at the lighting time and the lighting time set each time (daily). In the “answering machine”, the lighting load L is turned on and off at a time randomly determined every day (daily) within a range of, for example, 30 minutes before and after the set lighting time and light-off time. In other words, when leaving the dwelling unit for several days, if the lighting load L is turned on and off at the same time every day, it will be overlooked if the lighting load L is automatically blinked. By changing the time to turn off the light at random every day, it is difficult to see through.

  Next, the operation of this embodiment will be described. In the transmitter W2, it is assumed that the lighting time is set to 6:00 pm and the turn-off time is set to 9:00 pm. Until 6 pm, the control circuit unit 1 of the switch S turns on the illumination load L for the operation holding time T2 in accordance with the wireless signal transmitted from the transmitter W1. At 6:00 pm (lighting time), the control circuit unit 50 of the transmitter W2 generates a control signal for lighting the illumination load L and transmits a wireless signal (control signal) from the wireless signal transmission unit 53. In the control circuit unit 1 of the switch S that has received this control signal, the switching element of the load control unit 2 is turned on to turn on the lighting load L and the wireless signal (first and second control) transmitted from the transmitter W1. Signal) is not accepted. However, when the operation handle 20 of the switch S is pushed, the control circuit unit 1 controls the load control unit 2 to blink the illumination load L. At 9 pm (light-off time), the control circuit unit 50 of the transmitter W2 generates a control signal for turning off the lighting load L and causes the wireless signal transmission unit 53 to transmit a wireless signal (control signal). In the control circuit unit 1 of the switch S that has received this control signal, the switching element of the load control unit 2 is turned off to turn off the illumination load L and the wireless signal (first and second control) transmitted from the transmitter W1. Signal). In the control circuit unit 1 of the switch S, the wireless signal transmitted from the transmitter W2 is set so as not to accept the wireless signal from the transmitter W1 between midnight and 8:00 am, and the illumination load is late at night. Dazzle caused by L being lit is prevented.

  Thus, when a conventional hot-wire automatic switch and a timer switch are combined, if two types of switches are connected in parallel between the power source AC and the lighting load L, each switch can operate independently. The control of the lighting load L due to the above cannot be prohibited, and if two types of switches are connected in series between the power source AC and the lighting load L, one of the switches cannot turn on the lighting load L alone. On the other hand, in the present embodiment, the illumination load L can be controlled independently by the two types of transmitters W1 and W2 as described above, and the control operation of one transmitter W1 is transmitted to the other transmitter. It is also possible to prohibit it from the machine W2.

(Embodiment 3)
The load control system of the present embodiment is characterized in that it includes a transmitter W3 that transmits a wireless signal when the operation handle 81 is pushed as shown in FIG. However, since the configuration and operation of the switch S are the same as those in the first embodiment, the same components are denoted by the same reference numerals and description thereof is omitted.

  FIG. 17 shows a block diagram of the transmitter W3. The transmitter W3 is provided with a switch circuit unit 71 having a push button switch (not shown) that is pushed through an operation handle 81. When the push button switch is turned on, the switch circuit unit 71 controls the control circuit unit 70. An operation signal is sent to The control circuit unit 70 includes a microcomputer, and generates a control signal for turning on or off the lighting load L when an operation signal is received from the switch circuit unit 71. The control signal generated by the control circuit unit 70 is amplified by the amplification circuit 72 and then sent to the wireless signal transmission unit 73. Then, the wireless signal transmission unit 73 drives the light emitting diode according to the control signal of the control circuit unit 70, and transmits a wireless signal (control signal) using infrared rays emitted from the light emitting diode as a medium. The transmitter W3 is provided with a power supply unit 74 that supplies an operating power source to each unit using a battery as a power source.

  Further, the transmitter W3 has a housing 80 made of a box-shaped synthetic resin molded product, and a printed wiring board (not shown) on which electronic components constituting each part shown in FIG. Further, an operation handle 81 is attached to the front surface of the housing 80 so as to be rotatable in the front-rear direction with one end side as a fulcrum. However, since the attachment structure of the operation handle 81 to the housing 80 is the same as the attachment structure of the operation handle 20 to the body 1 of the switch S, illustration and description thereof are omitted. Moreover, the housing 80 is attached to a wall surface using a push pin or a double-sided tape like the transmitters W1 and W2.

  Thus, when the operation handle 81 is pushed, the control circuit unit 70 generates a control signal and causes the wireless signal transmission unit 73 to transmit a wireless signal (control signal). In the control circuit unit 1 of the switch S that has received the control signal, the lighting load L is turned on or off by turning it on if the switching element of the load control unit 2 is off and turning it off if it is on. Therefore, by adding the transmitter W3 of this embodiment to the system, it is possible to add the functions of a three-way switch and a four-way switch without newly wiring.

S switch W1 transmitter AC power supply L lighting load

Claims (5)

  Receives wireless signals transmitted using radio waves and light as a medium in a switch that turns on or off the load when the operation handle provided on the front of the container is operated. Receiving means for opening and closing, opening and closing means for opening and closing a power supply path from the power source to the load, control means for turning on and off the load by controlling the opening and closing means according to a wireless signal received by the receiving means, and operation of the operation handle Operation signal output means for detecting a state and outputting an operation signal, wherein the control means outputs an operation signal detected from the operation signal output means for detecting that the operation handle has been operated continuously for a predetermined time or more. A switch characterized by sometimes enabling control of the opening and closing means according to a wireless signal.   Receives wireless signals transmitted using radio waves and light as a medium in a switch that turns on or off the load when the operation handle provided on the front of the container is operated. Receiving means for opening and closing, opening and closing means for opening and closing a power supply path from the power source to the load, control means for turning on and off the load by controlling the opening and closing means according to a wireless signal received by the receiving means, and operation of the operation handle An operation signal output means for detecting a state and outputting an operation signal, wherein the control means enables the control of the opening / closing means according to the wireless signal every time the operation signal is output from the operation signal output means A switch characterized by cyclically switching between a load-on state and a load-off state.   2. The control unit according to claim 1, wherein the control unit starts measuring a predetermined delay time from the time when the operation handle is operated, and controls the opening / closing unit to switch the load from on to off after the measurement of the delay time. Or the switch of 2.   The switch according to any one of claims 1 to 3 and one or more types of transmitters for transmitting a wireless signal, wherein the switch is detachably attached to the body and has a protrusion for identification. From the two types of operation handles having no protrusions, detection means for detecting the presence or absence of protrusions, operation signal output means for detecting an operation state of the operation handle and outputting an operation signal, and operation signal output means The control means for turning on / off the load by controlling the opening / closing means in accordance with the output operation signal and enabling the control of the opening / closing means in response to the wireless signal when the detection means detects a protrusion. And a load control system.   The switch includes position display means for displaying the position of the operation handle, and control state display means for displaying that the control of the opening / closing means according to the wireless signal is effective. Both the position display means and the control state display means are visible when attached to the control handle, and only the position display means is visible when the operation handle having no protrusion is attached to the body. The load control system according to claim 4.

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