JP2008108637A - Automatic switch with heat-ray sensor - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To carry out lighting control which allows a person to pretend to be in a house other than lighting control using a heat-ray sensor. <P>SOLUTION: This automatic switch with a heat-ray sensor is provided with the heat-ray sensor 5 detecting heat rays of a human body, and a time-setting part 64 for setting a forced lighting time zone for forcibly lighting a lighting load L. Further, the switch is provided with a control part 66 changing every day a first control mode of lighting the lighting load L until a preset time elapses whenever the heat-ray sensor 5 detects the heat rays over to either a second control mode of lighting the lighting load L at the forced lighting time zone irrespective of the detection of the heat rays by the heat-ray sensor 5, or a third control mode of changing the forced lighting time zone within a preset range of a time and lighting the light load L at the changed time zone irrespective of the detection of the heat rays by the heat-ray sensor 5. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to an automatic switch with a heat ray sensor that switches between turning on and off a lighting load.

  As a conventional automatic switch with a heat ray sensor for switching on and off the lighting load, as shown in FIG. 7, by operating a manual switch (around 5 o'clock and around 16:30 in FIG. 7), the lighting load is set for a certain period of time. Is turned on until the time elapses (automatic switch with heat ray sensor of the first conventional example).

  However, the automatic switch with a heat ray sensor of the first conventional example has a problem that it is not possible to perform timer control for lighting the illumination load even if the manual switch is not operated.

As a solution to the above problem, Patent Document 1 discloses that a time schedule is set in advance, and the lighting load is turned off and turned off according to the set time schedule after the surroundings are dark. An apparatus (automatic switch with a heat ray sensor of a second conventional example) is disclosed.
JP-A-10-284262 (paragraphs 0040 and 0041 and FIG. 1)

  However, in the automatic switch with a heat ray sensor of the second conventional example, when going out for a long time, since the time schedule is fixed, the lighting load is turned on and off at the same time every day, so there is no family member. There was a problem that it was known.

  The present invention has been made in view of the above points, and an object of the present invention is to provide an automatic switch with a heat ray sensor capable of performing illumination control pretending to be at home in addition to illumination control by a heat ray sensor. It is in.

  The invention of claim 1 is an automatic switch with a heat ray sensor for switching between lighting on and off of the lighting load, and sets a heat ray sensor for detecting a heat ray from a human body and a forced lighting time zone for forcibly turning on the lighting load. A first control mode in which the lighting load is turned on until a preset time elapses when the heat ray sensor detects the heat ray, and whether or not the heat ray is detected by the heat ray sensor. Regardless of whether the heat ray is detected by the heat ray sensor, the second control mode in which the lighting load is turned on regardless of the forced lighting time zone, or the forced lighting time zone is changed within a preset range. It is characterized by comprising control means for daily switching to one of the third control modes in which the lighting load is turned on in the changed time zone.

  According to the first aspect of the present invention, in addition to the illumination control by the heat ray sensor, automatic lighting and automatic extinguishing can be performed in the set time zone, so that it is possible to perform illumination control that pretends to be at home.

(Embodiment 1)
First, the structure of the automatic switch with a heat ray sensor according to the first embodiment of the present invention will be described with reference to FIGS.

  As shown in FIG. 1, the automatic switch 1 with a heat ray sensor switches between lighting and extinguishing of the lighting load L, and includes a body 2 disposed on a construction surface (not shown), An operation handle 3 pivotally supported on the front surface 230, a handle cover 4 pivotally attached to the front side of the operation handle 3, a heat ray sensor 5 for detecting heat rays from a human body, and an illumination load A circuit unit 6 that controls turning on and off of L is provided, and is connected to a series circuit of a commercial power supply AC (see FIG. 4) and the lighting load L. An external perspective view of the automatic switch 1 with a heat ray sensor is shown in FIG.

  As shown in FIG. 1, the container body 2 has a rectangular parallelepiped shape, and includes a synthetic resin body 20 having a front opening and a synthetic resin cover 21 having a rear opening. The container body 2 is a single-use module formed to a size corresponding to three embedded wiring devices having a standardized unit module size (one module size). Moreover, the dimension of the left-right direction (Y-axis direction of FIG. 1) of the container body 2 is substantially equal to the left-right direction (short direction) of the window hole 70 of the mounting frame 7 for the existing embedded wiring apparatus mentioned later.

  The body 20 includes a pair of assembly protrusions 201 and 201 integrally provided on the upper surface 200 and the lower surface. The body 20 accommodates a terminal group 202 that becomes power terminals 662 and 663 and load terminals 664 and 665 which will be described later.

  On the other hand, the cover 21 includes a pair of assembly pieces 211 and 211 extending rearward from the rear edges of the upper surface 210 and the lower surface. The cover 21 is coupled to the body 20 so that the openings are aligned with each other when the assembly protrusions 201 of the body 20 are engaged with the assembly holes 212 of the respective assembly pieces 211.

  The cover 21 protrudes from the right side wall 213, which is one side wall in the left-right direction (Y-axis direction in FIG. 1), and has a pair of mounting claws 214 that can be engaged with the device mounting hole 72 of the mounting frame 7. Two pairs of attachment claws (not shown) that protrude from the left side wall and can be engaged with the instrument attachment hole 72 of the attachment frame 7 are provided. In the right side wall 213 of the cover 21, two cut grooves 215 and 215 whose rear ends are opened on both the upper and lower sides of the portion where the pair of mounting claws 214 project are provided in the front-rear direction (X-axis direction in FIG. 1). ) And a bending piece 216 having flexibility in the thickness direction is provided at a portion between the two cut grooves 215 and 215. A space is formed on the back surface side of the bending piece 216 in the cover 21, and the pair of mounting claws 214 and 214 provided on the bending piece 216 are formed by bending the bending piece 216 to the inside of the cover 21. The cover 21 can be elastically retracted from the side surface.

  Here, the attachment frame 7 will be described. The mounting frame 7 is a single unit that can mount three embedded wiring devices having standardized unit module dimensions (one module size) in the longitudinal direction (Z-axis direction in FIG. 1). Three pairs of instrument mounting holes 72 for mounting a wiring instrument are formed on both side pieces 71, 71 surrounding the window hole 70 of the mounting frame 7. The body 2 is fixed to the mounting frame 7 by engaging the mounting claws 214 of the cover 21 with the instrument mounting holes 72. When attaching the container 2 to the attachment frame 7, an attachment claw (not shown) provided on the left side wall of the cover 21 is inserted into the instrument attachment hole 72 of the attachment frame 7 and provided on the right side wall 213. If the front part of the container 2 is inserted into the window hole 70 of the attachment frame 7 so that the attachment claws 214 and 214 are retracted from the side surface of the cover 21, the attachment claws 214 and 214 of the right side wall 213 are attached to the instrument attachment hole 72. And the body 2 is held by the mounting frame 7. On the other hand, when removing the body 2, if the bending piece 216 is pushed into the inside of the cover 21, the mounting claws 214, 214 provided on the bending piece 216 come out of the device mounting hole 72 and come out of the mounting frame 7. The body 2 can be removed.

  Each of the upper and lower frame pieces 73, 73 of the attachment frame 7 is formed with one long hole 74, 74 for inserting the box screws 740, 740. The box screw 740 inserted through each of the long holes 74 is screwed into a screw portion (not shown) of an embedded box embedded in a construction surface such as a wall surface, so that the mounting frame 7 is constructed with a construction material ( The rear portion of the container 2 fixed to the mounting frame 7 is buried in the construction material. Furthermore, each frame piece 73 is formed with a pair of screw holes 75 for plate screws. The mounting frame 7 is screwed using a plate frame (not shown) and a plate screw (not shown) formed in a rectangular frame shape with synthetic resin on the front side. A decorative plate 76 is detachably attached to the front side of the plate frame. Each of the plate frame and the decorative plate 76 is formed with a window hole 760 that is longer and wider than the window hole 70 of the mounting frame 7 so that the front surface of the automatic switch 1 with a heat ray sensor is exposed through the window hole 760. It has become.

  The cover 21 is formed with three circular window holes 220, 221 and 232, and one circular window hole 222 smaller than these window holes 220, 221 and 232. Further, on the front surface of the cover 21, a projecting portion 223 that protrudes forward is provided. A protruding portion 224 having a front surface formed in a rectangular shape protrudes forward from the protruding portion 223. A square hole-shaped insertion hole 225 is formed at the approximate center in the left-right direction of the convex portion 224, and a slide button 670 of a changeover switch 67 described later is exposed from the insertion hole 225. In addition, an opening 226 is formed below the front surface of the protrusion 223. Arc-shaped protrusions 227 and 228 are provided above and below the opening 226.

  Further, the cover 21 includes a pair of shaft portions 231 and 231 that are integrally provided so as to protrude forward from the left end portion of the front surface 230 in order to pivotally mount the operation handle 3. The front end portion of each shaft portion 231 is formed in a columnar shape along the longitudinal direction of the cover 21.

  The operation handle 3 has a dimension in which the left-right direction is substantially the same as the left-right direction (short direction) of the window hole 760 of the decorative plate 76, and the vertical direction is approximately two-thirds of the vertical direction (longitudinal direction) of the window hole 760. It is formed in the shape of a rectangular plate with a synthetic resin. The operation handle 3 includes a bearing portion (not shown) provided on the back surface of the left side portion 30. The bearing handle is pivotally supported by the shaft portions 231 and 231 of the cover 21 so that the operation handle 3 is rotated to the front surface 230 of the body body 2 so as to cover the upper half of the front surface 215 of the body body 2. It is supported freely.

  Further, the operation handle 3 includes a push projection 31 provided on a back surface provided at a portion facing a later-described operation element 610 exposed on the front surface 230 of the cover 21. When the right side portion 32 of the operation handle 3 is pushed, the operation handle 3 rotates about the shaft portions 231 and 231, the operation element 610 is pushed by the push protrusion 31 of the operation handle 3, and the operation switch 61 is turned on. Turn on. On the other hand, when the pressing force disappears from the operation handle 3, the operation handle 3 receives the reaction force of the operation element 610 and returns to the return position, and the operation switch 61 is turned off. Since the operation handle 3 has the left edge pivotally supported by the shaft portions 231 and 231 in surface contact with the front surface of the mounting frame 7, even if the left side portion 30 of the operation handle 3 is pressed, the operation handle 3 It can be prevented from tilting.

  Further, the operation handle 3 has a thin portion 33, and a portion corresponding to the window holes 220, 221, and 232 of the cover 21 in the thin portion 33 has an operation holding time setting portion (setting operation portion) 62 described later, a brightness. Opening windows 34 and 35 are formed at portions facing the operation holding time setting unit 62 and the brightness sensor adjusting unit 63 in order to allow the height sensor adjusting unit 63 and the time setting unit 64 to be inserted.

  The operation handle 3 is attached to the upper side of the cover 21, while the decorative cover 36 is attached to the lower side of the cover 21. In the decorative cover 36, an insertion hole 360 is formed at a position facing the center of the insertion hole 225 of the cover 21 in the left-right direction (Y-axis direction in FIG. 1), and an opening 361 is formed at a position facing the opening 226. Yes.

  The handle cover 4 is pivotally attached to the front surface of the operation handle 3 so as to cover the thin portion 33 of the operation handle 3. The horizontal and vertical dimensions of the handle cover 4 are substantially the same as the horizontal and vertical directions of the thin portion 33, respectively. Further, the handle cover 4 is provided with a shaft portion 40 that is pivotally supported by shaft portions 37 provided on both upper and lower side surfaces of the operation handle 3. As described above, the shaft cover 40 is pivotally supported by the shaft portions 37 and 37 of the operation handle 3, whereby the handle cover 4 selects a position where the opening windows 34 and 35 are exposed and a position where the opening windows 34 and 35 are covered. It is freely attached to the front surface of the operation handle 3 so as to be freely rotatable. By using such a handle cover 4, most of the thin portion 33 can be hidden when the handle cover 4 is closed, so that a clean design can be achieved.

  The heat ray sensor 5 includes a sensor element such as a pyroelectric element, and detects a heat ray from a human body existing in a preset region, and is mounted on a circuit board 60 of the circuit unit 6 described later. The heat ray sensor 5 is configured integrally with a brightness sensor 50 such as CdS or a photodiode, and the brightness of the surroundings can be identified by the brightness sensor 50.

  Such a heat ray sensor 5 is covered with a sensor cover 51 on the front side. The sensor cover 51 is formed with a detection window 510 that exposes the heat ray sensor 5. Through the detection window 510, the heat ray sensor 5 detects heat rays from the human body from the outside. The sensor cover 51 is accommodated in the container 2 so as to be sandwiched between the cover 21 and the circuit unit 6.

  A pair of shutters 52, 52 are provided between the sensor cover 51 and the cover 21. Each shutter 52 is integrally provided with an arcuate base 520 and a handle 521 extending from one end of the base 520 with an angle. Each shutter 52 provided between the cover 21 and the sensor cover 51 is movable in the left-right direction and covers a part of the heat ray sensor 5. That is, the base portion 520 is moved by an operation using the handle portion 521 by the user, and the opening / closing state of the detection window 510 of the sensor cover 51 is adjusted. Thereby, since the detection area of the heat ray sensor 5 can be adjusted, a detection area can be optimized.

  The circuit unit 6 is for setting a lighting time of a lighting load L (see FIG. 4), a circuit board 60 such as a printed wiring board, an operation switch 61 having an operation element 610 pushed and driven by the operation handle 3, and the like. An operation holding time setting unit 62, a brightness sensor adjusting unit 63 for setting the brightness detection level of the brightness sensor 50, and a forced lighting time zone (forcing setting time) for forcibly lighting the illumination load L A time setting unit 64 to be set and a slide-type changeover switch 67 for manually switching on and off of the illumination load L are provided and housed in the body 2. A heat radiating plate 65 is provided on the back side of the circuit unit 6.

  The operation element 610 of the operation switch 61 is exposed on the front surface 230 of the container 2 and is pushed and driven by the operation handle 3.

  The operation holding time setting unit 62 is, for example, a rotary switch, and is provided on the front surface 230 of the container 2 and sets the operation holding time T1 by a user operation. As shown in FIG. 3, the operation holding time can be set in a range from 10 seconds to 30 minutes. Thereby, the lighting time of the illumination load L can be optimized. The brightness sensor adjustment unit 63 is a rotary switch, for example, and ranges from “dark” (for example, 5 Lx or less) to “bright” (for example, 100 Lx or more) by the user's operation. This is what you set. Further, when “OFF” is set, the function of the brightness sensor 50 is stopped. As a result, it is possible to prevent the lighting load L from being turned on when the surroundings are bright, and energy saving can be achieved.

  The time setting unit 64 is a rotary switch, for example, and is provided on the front surface of the container 2 and is used for setting a forced lighting time zone by a user operation. As shown in FIG. 3, the forced lighting time zone can be set up to a maximum of 8 hours. If the forced lighting time zone is not set, set it to “Off”. The start of the forced lighting time period may be set, for example, when the user sets the time setting unit 64 or when the surroundings become darker than the threshold by the detection of the brightness sensor 50.

  The changeover switch 67 enables the slide button 670 to be set to “OFF”, “AUTO”, and “CONTINUOUS ON”. When the slide button 670 is set to “OFF”, the illumination load L is forcibly turned off, and the slide button 670 remains turned off unless otherwise set. When the slide button 670 is set to “automatic”, the illumination load L can be turned on or off based on detection by the heat ray sensor 5. On the other hand, when the slide button 670 is set to “continuous on”, the illumination load L is forcibly continuously turned on unless the slide button 670 is set to another. Thereby, the lighting load L can be switched on and off even manually.

  Here, the circuit configuration of the circuit unit 6 will be described with reference to FIG. The circuit unit 6 inputs outputs of the heat ray sensor 5 and the brightness sensor 50 to a control unit (microcomputer) 66. The control unit 66 performs A / D conversion on the outputs of the heat ray sensor 5 and the brightness sensor 50, and further determines the presence or absence of a person in a preset detection area based on the output value of the heat ray sensor 5. The control unit 66 has a function of controlling the opening / closing of an opening / closing element 661 such as a triac through the driving unit 660. The opening / closing element 661 is connected between a power supply terminal 662 for connecting the commercial power supply AC and a load terminal 665 for connecting the lighting load L, and the conduction angle is controlled by the control unit 66 to adjust the power supplied to the lighting load L. Then, the lighting load L is turned on with a desired light output. The power supply terminals 662 and 663 are connected to a DC stabilized power supply 666 that receives a commercial power supply AC and generates a DC constant voltage. The DC stabilized power supply 666 supplies operating power to the internal circuit.

  The basic operation of the control unit 66 is based on a change in the heat dose incident on the heat ray sensor 5 in a state where the brightness detected by the brightness sensor 50 is darker than a preset brightness threshold. Is detected (when a human body detection signal is generated), the operation of turning on the lighting load L, and the time during which the lighting load L is turned on (operation holding time) is limited by the timer means configured by the control unit 66.

  As the operation mode of the control unit 66, the first control mode in which the illumination load L is turned on until the preset operation holding time T1 elapses when the heat ray sensor 5 detects the heat ray, whether the heat ray sensor 5 detects the heat ray. Regardless of the second control mode in which the lighting load L is lit during the forced lighting time zone, the forced lighting time zone is changed within a preset range, and the changed time regardless of whether the hot wire sensor 5 detects heat rays. There is a third control mode for lighting the illumination load L in the band. The controller 66 switches the first control mode to either the second control mode or the third control mode every day.

  Next, operation | movement of the automatic switch 1 with a heat ray sensor which concerns on Embodiment 1 is demonstrated using FIG. First, the first day will be described. First, when the heat ray sensor 5 detects a heat ray around 6 o'clock, the illumination load L is turned on until the operation holding time T1 elapses. Thereafter, the heat ray sensor 5 detects the heat ray before 12:00. However, since the brightness sensor 50 detects that the surroundings are bright, no control is performed to turn on the illumination load L. Then, the heat ray sensor 5 detects a heat ray at around 17:00. Since the surroundings are dark at this time, the illumination load L is turned on until the operation holding time T1 elapses. Thereafter, when the timer control is set for 5 hours when going out after 18:00, the illumination load L is turned on regardless of the presence or absence of detection by the heat ray sensor 5.

  Next, the second day and the third day will be described. On the second day, the heat ray is not detected by the heat ray sensor 5, but the lighting load L is turned on around 20:00, and the lighting load L is turned off before 23:00. On the third day, no heat ray is detected by the heat ray sensor 5, but the lighting load L is turned on after 19:00, and the lighting load L is turned off around 23:00.

  As described above, according to the first embodiment, in addition to the illumination control by the heat ray sensor 5, automatic lighting and automatic extinguishing can be performed in the set time zone, so that it is possible to perform illumination control that pretends to be at home.

(Embodiment 2)
The configuration of the automatic switch 1a with a heat ray sensor according to the second embodiment of the present invention will be described with reference to FIG. This automatic switch with a heat ray sensor 1a includes an operation handle 3, a handle cover 4, a heat ray sensor 5, and a circuit unit 6 in the same manner as the automatic switch with a heat ray sensor 1 of the first embodiment (see FIG. 1). However, the automatic switch 1 with a heat ray sensor according to the first embodiment has the following characteristic portion.

  The automatic switch 1a with a heat ray sensor of the second embodiment includes a container body 2a as shown in FIG. 6 instead of the container body 2 of the first embodiment (see FIG. 1). The container body 2a is formed in a module size of two pieces, and can be juxtaposed with another wiring device (for example, a switch) formed in a single module size. Note that when only the automatic switch with a heat ray sensor 1a is attached to the attachment frame 7, a gap corresponding to one wiring device having a unit module size is formed. Therefore, a blank chip 77 that closes this gap may be attached to the attachment frame 7. . The blank chip 77 has a substantially rectangular front surface, and is formed so that the horizontal and vertical dimensions are substantially the same as the wiring module having a unit module size, and mounting means (not shown) for mounting to the mounting frame 7 ). In addition, the container 2a is the same as the container 2 of Embodiment 1 in points other than the above.

  In addition, about operation | movement of the automatic switch 1a with a heat ray sensor which concerns on Embodiment 2, it is the same as that of the automatic switch 1 with a heat ray sensor of Embodiment 1. FIG.

  As described above, according to the second embodiment, the same effect as that of the first embodiment can be obtained even when the automatic switch 1a with a heat ray sensor has two modules.

It is a disassembled perspective view of the automatic switch with a heat ray sensor which concerns on Embodiment 1 of this invention. It is an automatic switch with a heat ray sensor which concerns on the same as the above, Comprising: It is an external appearance perspective view when a handle cover is open. It is a figure which shows the operation part of the automatic switch with a heat ray sensor which concerns on the same as the above. It is a circuit block diagram of the automatic switch with a heat ray sensor which concerns on the same as the above. It is a time chart of the automatic switch with a heat ray sensor which concerns on the same as the above. It is a front view of the automatic switch with a heat ray sensor which concerns on Embodiment 2 of this invention. It is a time chart of the conventional automatic switch with a heat ray sensor.

Explanation of symbols

1, 1a Automatic switch with heat ray sensor 5 Heat ray sensor 64 Time setting unit 66 Control unit L Lighting load

Claims (1)

An automatic switch with a hot-wire sensor that switches between turning on and off the lighting load,
A heat ray sensor for detecting heat rays from the human body;
A time setting means for setting a forced lighting time zone for forcibly lighting the lighting load, and
When the heat ray sensor detects the heat ray, the first control mode in which the lighting load is turned on until a preset time elapses is set to the forced lighting time period regardless of whether the heat ray is detected by the heat ray sensor. The second control mode for turning on the lighting load, or the forced lighting time zone is changed within a preset range, and the changed time zone regardless of whether or not the heat ray is detected by the heat ray sensor. An automatic switch with a heat ray sensor, characterized by comprising control means for daily switching to one of the third control modes for lighting the illumination load.

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