JP2797262B2 - Motion switch - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a human switch for detecting the presence of a person in a room by detecting a heat ray radiated from a human body to control on / off of a load such as a lighting fixture. It is.

[Prior art]

In general, in this type of human sensation switch, a hot-wire sensor radiated from a human body and a control unit that controls on / off of a load when a human body is detected by the hot-wire sensor are housed in the same housing.

[Problems to be solved by the invention]

By the way, the hot-wire sensor used for the motion switch is
Since the detection area is limited, when setting a wide detection area that cannot be covered by the detection area of one heat ray sensor, it is necessary to use a plurality of heat ray sensors. On the other hand, a power supply line from a power supply and a load control line to a load are connected to each of the human switches, and at least four terminals are required.
The problem that wiring becomes very complicated arises. In addition, if the load is a lighting fixture, it may be desirable to turn on or turn off the lights continuously regardless of whether a person enters or exits the detection area. It is considered to set a mode such as continuous lighting. However, in order to switch the mode, the operation unit for mode switching must be provided at a position accessible to the user.
The location where the human switch is mounted is limited to a wall surface or the like, and the detection area cannot be set near the center of a large room. In addition, when a plurality of human switches are used, it is required that all the human switches in the room are set to the same mode. However, in the above configuration, the mode switch of each human switch must be performed individually. If there are a plurality of human switches, the mode switching is troublesome. The present invention is aimed at solving the above problems,
By providing a separate unit that detects heat rays from the human body and a master unit that turns on and off the load when a person is detected by the slave unit, the detection area can be set at any place in the room. In addition, the present invention aims to provide a human-sensible switch in which the body of the parent device can be mounted in an embedded box standardized for wiring equipment and can be constructed in the same manner as a normal switch. Things.

[Means for Solving the Problems]

According to the first aspect of the present invention, in order to achieve the above object, a child device provided with a hot-wire sensor for detecting a heat ray radiated from a human body, and the child device are separate from each other and are connected to the child device via a signal line. And a master unit that is connected to the load via a load control line and controls on / off of the load when a human body is detected by the slave unit, and the slave unit is a heating wire that detects a heat ray from the human body. A housing for housing the sensor, a flange provided at one end of the housing and abutting against the indoor side surface of the building construction material, and the flanges on both sides of the housing inserted into mounting holes formed in the building construction material; The distance between them is variable, and a mounting bracket for sandwiching the construction material with the indoor flange, and a light receiving unit provided on the end face of one end of the housing and for taking in a heat ray to the heat ray sensor from the outside, Master unit is standardized A body having dimensions adapted to be mounted on the mounting frame for embedded wiring equipment, a timer circuit that is housed in the body and a child unit detects a human body and operates a load for a set time, and sets the set time. Mode setting for setting the time to perform, the mode to turn on the load regardless of the presence or absence of the human body detection of the child unit, the mode to turn off the load, and the automatic mode to turn on and off the load by the human body detection of the child unit Means, a plurality of slaves are connected to the signal line, and the master unit controls the load on / off when a human body is detected by at least one of the slave units. And According to a second aspect of the present invention, in the first aspect of the present invention, the slave unit includes a terminal through which a signal line can be sent and wired.

[Action]

According to the first aspect of the present invention, a child device provided with a heat ray sensor for detecting a heat ray radiated from a human body, and a child device which is separate from the child device and connected to the child device via a signal line, and And a master unit that is connected via a load control wire and controls the load on and off when a human body is detected by the slave unit.The slave unit has a housing for detecting heat rays from the human body, and one end of the housing. The distance between the flange abutting on the indoor side surface of the provided building construction material and the flanges on both sides of the housing inserted into the mounting hole formed in the building construction material is variable, and the indoor side flange is provided. And a light-receiving unit provided on the end face of one end of the housing for taking in heat rays to the heat ray sensor from the outside, so that the child device is attached to the construction material. Is easy to do The detection area can be set at any place in the inside, while the parent device has a body having dimensions adapted to be mounted on a standardized mounting frame for embedded wiring equipment, and a child device housed in the body. A timer circuit for detecting a human body and operating the load for a set time; a time setting means for setting the set time; a mode for turning on the load regardless of whether or not a human body of the slave is detected; and a mode for turning off the load. ,
It has mode setting means for setting an automatic mode in which the load is turned on / off by detecting the human body of the slave unit, so that the embedded switch using the mounting frame can be used similarly to the embedded wiring device, and a normal switch can be used. In addition to the above, the same embedding box can be used for the installation, and the signal line connecting the slave unit and the master unit and the load control line from the master unit to the load can be used. It is possible to incorporate the advance wiring work into the wiring, and it is possible to eliminate the intermittent operation of the load due to the intermittent detection of the human body by the timer circuit, and to function as a delay switch. The setting of the operation time, the continuous turning on or the continuous turning off of the load, and the setting of the automatic control by the human body detection of the child device can be set intensively on the parent device side. Also, a plurality of slaves are connected to the signal line, and the master unit controls on / off of a load when a human body is detected by at least one of the slave units. It can be set widely, and the master unit needs 6 terminals for the signal line, load control line, and power supply line. Will also be easier. Further, in the invention of claim 2, in the invention of claim 1, the terminal has a terminal through which a signal line can be sent and wired.
Since it is sufficient to connect the slave units by sequentially performing feed wiring, wiring work is further facilitated.

【Example】

FIG. 1 shows a basic configuration of the present invention, in which a lighting fixture 3 is used as a load. The ceiling material 6 includes a plurality of child devices 1
Is attached, each child device 1, master device 2 via a line Route l _S
Connected to. As shown in FIG. 2, a plurality of slaves 1 are arranged at important points in a room, and signal lines l _S connecting the slaves 1 are sent and wired. That is, the slaves 1 are connected in parallel. Here, an example in which the child device 1 is provided in the restroom is shown. For example, the child device 1 is provided in the washroom 4a, the area 4b in which the urinal is arranged, the booth 4c in which the toilet is arranged, and the like. Be placed. Here, for example, when the child device 1 is arranged in a conference room or the like, the child device 1 may be arranged so that the vicinity of the desk is the detection area, and the arrangement position of the child device 1 is appropriately set according to the purpose. . Master unit 2 is attached to a wall, the main unit 2, is connected to the lighting apparatus 3 through a load control line l _C, also feed wire load control line l _C that connects the lighting apparatus 3 You. In addition, the master set 2, the commercial power source 5 is connected via a feed line l _P. The slave 1 is formed in the shape shown in FIG. That is, the housing 10 has a disc-shaped flange 12 at the lower end of the body 11, and a hemispherical light-receiving lens 13 is formed at the center of the lower surface of the flange 12 so as to protrude. Light receiving lens
A pyroelectric element (not shown) as a heat ray sensor is disposed inside the housing 10 at a portion corresponding to 13, and when a heat ray is incident through the light receiving lens 13, the detection output is generated only when the heat dose changes. can get. A Fresnel lens is used as the light receiving lens 13, and the light receiving lens 13 is
The detection direction can be adjusted by swinging the head. A detection output obtained when a heat ray is received is taken out from a pair of terminals 14 provided on the upper surface of the body 11. Each terminal 14 has a terminal screw 15, and a partition wall 16 protrudes around both terminals 14 as shown in FIG. 3 (c). put it here,
The partition wall 16 is formed in a straight line, and a signal line l _S can be connected to each terminal 14 from both upper and lower directions in FIG. 3 (c). Therefore, the signal lines l _S can be sequentially sent and wired. One end of an integral mounting bracket 17 is pivotally connected to the upper surface of the body 11. The mounting bracket 17 has a pair of tension pieces 17a and 17b at a middle portion through a bent portion of approximately 90 °.
Pressing pieces 17c and pivot pieces 17d are formed to extend from the leading edges of a and 17b via bent portions bent in the opposite direction to the bent portions. This pivot piece 17d is body 1
It is pivotally attached to the top of 1. A long hole (not shown) that is long in the longitudinal direction of the mounting bracket 17 is formed in a portion that straddles both the tension pieces 17a and 17b. In addition, one end of a return spring 18 formed of a sandwiching spring is engaged with the presser piece 17c, and the other end of the return spring 18 is engaged with a side surface of the body 11 and urges the mounting bracket 17 in a direction of erecting. . That is, in FIG. 3 (a), the right mounting bracket 17 is urged counterclockwise, and the left mounting bracket 17 is urged clockwise. In other words, when no external force is applied, the two mounting brackets 17 are urged to approach each other, and the distance between the tips of the mounting brackets 17 is reduced. The flange 12 corresponds to each mounting bracket 17
A bolt insertion hole 19 long in the diameter direction of 12 is formed.
A bolt 20 is inserted through the bolt insertion hole 19, and a tip end of the bolt 20 is screwed to the nut 21 through the above-described elongated hole formed in the mounting bracket 17. The nut 21 is a square nut, and is prevented from rotating by its peripheral edge contacting one of the tension pieces 17a, 17b. Therefore, when the bolt 20 is tightened, the mounting bracket 17 rotates so as to lower the holding piece 17c against the spring force of the return spring 18 as the screwing amount of the nut 21 to the bolt 20 increases. That is, with the tightening of the bolt 20, the right-hand mounting bracket 17 in FIG. 3 (c) rotates clockwise, and the left-hand mounting bracket 17 rotates counterclockwise. According to the above configuration, the mounting hole 7 having a size that allows the body 11 and the bolt 20 to be inserted into the ceiling material 6 is formed, and the upper part of the housing 10 is inserted into the mounting hole 7 with the bolt 20 loosened. After tightening the bolt 20, the mounting bracket
The holding piece 17c of 17 is drawn to the flange 12, and the ceiling member 6 at the peripheral portion of the mounting hole 7 can be sandwiched between the flange 12 and the holding piece 17c. As shown in FIG. 4, the body 22 of the parent device 2 has a mounting frame 24 so that it can be attached to an embedded box such as a switch box standardized by JIS standards. 3 times the height of the wiring equipment
The width is set to double. As the attachment frame 24, one standardized by the Wiring Equipment Manufacturers Association is used. That is,
Engaging claws 23 are protruded from the side surface of the body 22, and a mounting frame 24 is provided.
To be engaged with. The mounting frame 24 has an elongated hole 25 through which a box screw screwed into the embedding box is inserted.
Also, a screw hole 26 into which a plate screw inserted into the decorative plate is screwed is provided. Therefore, the parent device 2 can be constructed using the same embedding box or decorative plate as a normal wiring device such as a switch or an outlet, and the construction method can use the technology of a normal wiring device. Things. Here, the mounting frame 24 may be integral with or separate from the body 22. By the way, on the front surface of the body 22 of the master unit 2, switch handles 31a to 31c for selecting a mode for controlling the load and a time for maintaining the state of the load after a person is detected by the slave unit 1 are set. Operation knob 32 is provided, and display lamps 33a to 33c that light up in accordance with the selected mode are provided. The switch handle 31c and the operation knob 32 are covered by a door 34, and are arranged as shown in FIG. 4 (e). Here, since the pyroelectric element for detecting a heat ray from the human body in the slave unit 1 is a differential sensor, a timer is provided in the master unit 2 in order to hold the output for a predetermined time after detecting the person. A circuit is provided, and the operation knob 32 is provided to adjust the time limit of the timer circuit according to the wiring location. The switch handle 31a turns on the load (turns on the lighting device 3) when a person is detected by the slave 1, and turns off the load (turns off the lighting device 3) when no person is detected. It is provided for selecting the automatic on / off mode. When this mode is selected, the display lamp 33a is turned on. The display lamp 33b blinks in response to the on / off of the load. Further, when it is desired to turn off the lighting device 3 regardless of the detection of a person as in the case of performing slide projection, the continuous off mode is selected by the switch handle 31b. In this mode, the display lamp 33b is turned on. The switch handle 31c is provided so as to select the continuous ON mode when the lighting fixture 3 is desired to be turned on regardless of the detection of a person. When the continuous on mode is selected, the indicator lamp 33a of the automatic on / off mode is turned off, and the indicator lamp 3 for displaying the operation of the load is displayed.
Since 3b is continuously turned on, it is possible to identify the automatic on / off mode or the continuous on mode based on the display state of the display lamps 33a and 33b. Two sets (four) of threaded terminals 27 for connecting the signal line l _S are provided on the back surface of the body 22 of the master unit 2. The power supply line l _P and the load control line l _C are connected to each other. Wire insertion hole 28 for insertion
a, 28b are provided. Body corresponding to electric wire insertion holes 28a, 28b
Inside the 22 so-called quick connect terminal is provided for holding the wire between the terminal plate and the locking spring, the wire insertion hole 28a, the introduced feed line l _P and load control line l _C is connected through 28b Is done. Release holes 29a and 29b for inserting a driver and the like when disconnecting the connection are provided near the electric wire insertion holes 28a and 28b.

【The invention's effect】

According to the first aspect of the present invention, a child device provided with a heat ray sensor for detecting a heat ray radiated from a human body, and a child device which is separate from the child device and connected to the child device via a signal line, and And a master unit that is connected via a load control wire and controls the load on and off when a human body is detected by the slave unit.The slave unit has a housing for detecting heat rays from the human body, and one end of the housing. The distance between the flange and the flange that is provided and abuts on the indoor side surface of the building construction material, and on both sides of the housing that is inserted into the mounting hole formed in the building construction material, is variable. A mounting bracket for holding the building construction material at the end face of one end of the housing,
Since it is provided with a light receiving unit that takes in a heat ray to the heat ray sensor from the outside, it can be easily attached to a building construction material of a slave unit, and a detection area can be set at an arbitrary place in a room. The parent device has a body adapted to be attached to a standardized mounting frame for embedded wiring equipment, and a timer circuit that is housed in the body and detects the human body by the child device and operates the load for a set time. A time setting means for setting the set time, a mode for turning on the load regardless of the presence or absence of a human body detection of the slave, a mode for turning off the load,
Since it has mode setting means for setting an automatic mode for turning on / off the load by detecting the human body of the slave unit, embedded wiring using a mounting frame is possible similarly to the embedded wiring device, so that ordinary switches and the like can be used. In addition to the above, it is possible to use the existing embedding box in the installation, and to wire the signal line connecting the slave unit and the master unit and the load control line from the master unit to the load. In addition, it is possible to adopt the prior wiring construction, and furthermore, it is possible to make intermittent operation of the load due to the intermittent detection of the human body by the timer circuit, and to function as a delay switch. The setting of the operation time, the continuous turning on or the continuous turning off of the load, and the setting of the automatic control by the human body detection of the child device can be set intensively on the parent device side. Also, a plurality of slaves are connected to the signal line, and the master unit controls on / off of a load when a human body is detected by at least one of the slave units. It can be set widely, and the master unit needs 6 terminals for the signal line, load control line, and power supply line. This also has the effect of being easy. Further, in the invention of claim 2, in the invention of claim 1,
Since the above-mentioned slave unit has a terminal capable of sending and wiring a signal line, when connecting a plurality of slave units, it is only necessary to sequentially perform sending wiring and connect the slave units, so that wiring work is performed. This has the effect of being easier.

[Brief description of the drawings]

FIG. 1 is a schematic configuration diagram showing an embodiment of the present invention, FIG. 2 is a layout diagram showing an arrangement state of slave units in the embodiment, and FIG.
FIGS. 4A to 4C are side, bottom, and top views, respectively, of the slave unit used in the same embodiment, and FIGS. 4A to 4E are front, bottom, side, and rear views of the control unit used in the same. It is a principal part front view. 1 ... slave unit, 2 ... master unit, 3 ... lighting equipment, 6 ... ceiling material, 14 ... terminal, 22 ... body, l _C ... load control line, l _P ...
... feed line, l _S ... signal line.

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁶ , DB name) H01H 35/00 G01V 9/04 F21V 23/04

Claims (2)

(57) [Claims] 1. A child device provided with a hot wire sensor for detecting a heat ray radiated from a human body, and a child device which is separate from the child device and is connected to the child device via a signal line, and a load is applied to a load. A main unit that is connected via a control line and controls on / off of the load when a human body is detected by the child unit, wherein the child unit houses a heat ray sensor that detects a heat ray from the human body,
The distance between the flange provided on one end of the housing and abutting against the indoor side surface of the building construction material and both sides of the housing inserted into the mounting hole formed in the building construction material is variable. A mounting bracket for sandwiching the building construction material with the indoor side flange, and a light receiving unit provided on the end face of one end of the housing and for taking in a heat ray to the heat ray sensor from outside, the parent device is standardized. A body having dimensions adapted to be mounted on the mounting frame for embedded wiring equipment, a timer circuit that is housed in the body and a child unit detects a human body and operates a load for a set time, and sets the set time. Time setting means, a mode in which the load is turned on regardless of the presence or absence of the human body detection of the child device, a mode in which the load is turned off, and an automatic mode in which the load is turned on / off by the human body detection of the child device. A plurality of slave units are connected to the signal line, and the master unit controls on / off of a load when a human body is detected by at least one of the slave units. A human switch characterized by the following. 2. The human sensation switch according to claim 1, wherein said slave unit has a terminal through which a signal line can be sent and wired.