JPH0361892A - Apparatus for sensing human body - Google Patents

Abstract

PURPOSE:To improve assembling property and to make it possible to change a detecting area readily by forming an engaging part for engagement to the engaging holes at both side-edge parts of a translucent cover which is inserted from the outside of an opening window. CONSTITUTION:A plurality of engaging holes 34 which are engaged with protruding engaging parts 9 of a device 2 are formed at both side-edge parts of a translucent cover 33. The translucent cover 33 is inserted through the front side of an opening window 5, and the engaging holes 34 can be engaged with the engaging parts 9. Adjusting slide switches 55 are provided at operating holes 14 and 14 of the device 2. The adjustment of the slide switches 55 is not required at the normal time. The adjusting slide switches 55 and operating parts 59 and 60 for an adjusting variable resistors 56 are covered with a display plate 35. The translucent cover 33 is inserted through the front side of the opening window 5 of the device 2 at the final stage of assembling steps, and the engaging holes 34 are engaged with the engaging parts 9. When the rotating operation is performed with an operating knob 28, a rotary frame 20 is turned by a shaft part 25 as the center. The rotary frame 20 and an infrared-ray sensor 51 are turned, and a detecting area can be readily adjusted and changed.

Description

[Detailed Description of the Invention] [Object of the Invention] (Industrial Application Field) The present invention relates to a human body sensing device, for example, which is attached to a wall surface, detects the approach of a person, and blinks a light. The present invention relates to a human body sensing device for controlling a load.

(Prior art) In a conventional human body sensing device of this type, the detection area can be changed by changing the direction of the infrared sensor. At the same time, an infrared sensor is attached to this rotating frame opposite to the lens part, and the shaft portions formed at the upper and lower parts of this rotating frame are rotatably attached to the body. In order to protect the lens portion of the rotating frame, the infrared sensor, etc., a translucent cover was attached to the opening window of the frame. This translucent cover was designed to be attached from inside the opening window of the vessel.

(Problems to be Solved by the Invention) In the conventional human body detection device described above, a semi-cylindrical light control cup <- is attached to the opening window of the device body from the inside of the opening window, so that the device body can be rotated. Before attaching the frame, etc., the rotating frame, infrared sensor, etc. cannot be attached unless a translucent cover is attached to the opening window of the vessel from the inside. There were problems in that the translucent cup was a hindrance to the installation, the installation of the rotating frame, infrared sensor, etc. was time-consuming, and the assembly work was poor.

The present invention was made in view of the above-mentioned problems, and after a rotating frame incorporating an infrared sensor is rotatably attached to the container body,
To provide a human body sensing device in which a translucent cover can be attached to the opening window from the outside of the device body at the final assembly stage, and the overall assemblability is improved.

[Structure of the invention]

(Means for Solving the Problems) The human body sensing device of the present invention includes a container body formed with an opening window, and a container body formed in a substantially semi-cylindrical shape and rotatably attached to the container body so as to face the opening window. a rotating frame having shaft portions at the top and bottom thereof and having a lens portion; a substantially semicircular arc plate-shaped translucent cover disposed in the opening window facing the front side of the rotating frame; In the device, the translucent cover has retaining holes formed on both side edges of the device, which includes a board attached to the rear of the rotating frame and connected to an infrared sensor, and a case with an open front to which the device body is attached. , characterized in that a retaining portion is formed inside the opening window of the vessel body to engage with the engagement hole on both side edges of the translucent cover inserted from outside the opening window. It is.

(Function) In the human body sensing device of the present invention, the translucent cover is attached to the body during the final assembly process, such as rotatably attaching the rotating frame incorporating the lens section and the infrared sensor to the body. The locking hole can be inserted through the front opening window of the container and engaged with the retaining part formed inside the opening window of the container body. Therefore, when assembling the lens part, rotation frame, infrared sensor, etc., the light-transmitting cover is not incorporated, so assembly efficiency is improved.Furthermore, the light-transmitting cover is made of a plate material and is attached to the edge. The configuration is simplified by simply forming a matching hole, and by rotating the rotating frame, the infrared sensor is also rotated integrally, making it possible to easily change the detection area.

(Example) The configuration of an embodiment of the present invention will be described with reference to the drawings.

Reference numeral 1 denotes a main body case, which is housed and fixed in a built-in box or the like embedded in a wall or the like via a support frame, and a container body 2 is attached to the front surface of the case 1 with screws.

The container body 2 has a pair of semi-disc-shaped receivers at the upper and middle portions, and protrusions 3 and 4 are integrally protruded from each other.
．． An opening window 5 is opened between 4 and 4. In this receiver, an arcuate guide ridge 6 is formed along the front edge of the protrusion 3.4, and the front surface of this guide ridge 6 is formed into an articulated uneven surface 7. Further, in this receiver, a groove-shaped bearing portion 8 is formed on each of the opposing surfaces of the protrusions 3 and 4, which is open at the center of the rear edge and extends toward the front side.

Further, a plurality of protruding engagement portions 9 are formed on the inner side of the opening window 5 of the container body 2 at intervals in the vertical direction.

Furthermore, a fitting hole 10 is formed at the lower front of the container body 2.
An engagement step 11 is cut out at the front edge of the fitting hole IO.

In addition, locking parts 12 are formed on both sides of this body 2 to be locked to a support frame for a connected wiring device, and while it is attached to the support frame, it can be attached to a box etc. that is embedded and fixed in a wall surface etc. .

Further, a display hole 13 and an operation hole 14 are formed at the lower front of the container body 2.

Further, reference numeral 20 denotes a rotating frame, and this rotating frame 20 is formed in a substantially semi-cylindrical shape, and an opening 21 is opened in the center, and engaging protrusions 22 are formed on both side edges of this opening 2X. At the same time, engaging protrusions 23 are formed on the upper and lower edges. Further, elastic arm portions 24 are protruded from the upper and lower inner surfaces of the central portion of the rotating frame 20, respectively, and the bearings are rotatably engaged with the portions 8 on the outer surfaces of the tips of both arm portions 24. A shaft portion 25 is provided in a protruding manner. In addition, locking recesses 26 are formed on the inner surfaces of both sides of the opening 21 of the rotating frame 20 and are spaced apart in the vertical direction, and furthermore, the board is fixed oppositely to the rear portions of both locking recesses 26. A piece 27 is formed respectively. Furthermore, an articulation protrusion (not shown) that engages with the articulation uneven surface 7 is provided on the inner surface of the vertical center portion of the rotation frame 20.
is installed protrudingly. Further, an operation knob 28 is formed at the center of the front surface of the rotating frame 20.

Reference numeral 30 denotes a lens portion, and the engaging protrusion 22 of the rotating frame 20
A semi-circular condensing Fresnel lens surface is formed to match the front surface of the rotating frame 20, and retaining protrusions 31 that are engaged with the locking recesses 26 of the rotating frame 20 are projected on both side edges of the lens portion 30. It is set up.

Further, reference numeral 33 denotes a translucent cover that transmits at least infrared rays, and is formed in the shape of a semicircular arc plate, and the both side edges of this translucent cover 33 are engaged with the protruding engaging portions 9 of the container body 2. A plurality of engagement holes 34 are formed, and the translucent cover 33 is inserted from the front of the opening window 5 of the vessel body 2 so that the engagement holes 34 can be engaged with the engagement portion 9. There is.

Further, numeral 35 denotes a display plate, which is attached to the front lower part of the container body, and has a circular hole 36 formed in the center thereof corresponding to the fitting hole 10 of the container body 2. Furthermore, a display hole 37 corresponding to the display hole 13 is formed in the display plate 35.

Reference numeral 40 denotes a rotary operator, which is composed of a knob 41 and an operating part 42, and this knob 41 is connected to the circular hole 3 of the display plate 35.
Projected from 6. Then, the knob portion 41 is fitted into the fitting hole 10 of the container body 2, and the inner peripheral edge is rotatably and slidably engaged with the engagement step portion 11 of the fitting hole 1G. In addition, the operating section 42
is a substantially circular protrusion 43 that is fitted into the fitting hole 10 from the inner side.
is formed, the protrusion 43 is fitted into the fitting hole 10 from the inner side, and the knob 41 is fitted into the fitting hole 10 from the front side.
are connected with a screw 44 to constitute a rotary operator 40 that is rotatably attached to the fitting hole IO.

Further, a drive hole 45 is formed in the actuating portion 42 .

Further, this actuating portion 42 is provided with an elastic articulation portion 47 that engages with an articulation uneven surface 46 formed on the upper part of the inner periphery of the fitting hole 11 of the container body 2. It is provided in a protruding manner on an arm portion 48 formed in a substantially annular shape at the upper portion of the actuating portion 42 .

Reference numeral 50 designates a first circuit board, and this circuit board 5° is attached to the board fixing piece 27 of the rotating frame 20 with screws, and the circuit board 5o has an infrared sensor 51 facing the lens portion 3o. installed. A second circuit board 53 connected to this circuit board 50 by a lead wire 52 includes:
A slide switch 54 that detects the load within a set time and switches between automatic operation (automatic), constant operation of the load (continuous), and constant non-operation of the load (off), a slide switch 55 for adjusting the amount of operation retention, and a variable resistor 56 for adjustment. , display light emitting diodes 57 and 58 are provided. The operating section 5 of the adjusting slide switch 55 and the adjusting variable resistor 56
9.60 faces the operation hole 14.14 of the container body 2, and the display light emitting diode 57.58 faces the display hole 13.13.
is being forced to face

Further, the operating portion 61 of the slide switch 54 is engaged with the drive hole 45 of the operating portion 42 of the rotary operator 40 to detect the load within the set time and switch between automatic operation, constant operation of the load, and constant non-operation of the load. By rotation of the rotary operator 40, the operating section 61 is operated linearly, and the slide switch 54 is switched.

Further, a third circuit board electrically connected to this second circuit board 53
Necessary electronic components forming a timer circuit, an amplifier, a relay circuit, etc. for setting an additional operating time are attached to the circuit board 63 of the main body case 1.
It is stored in.

Next, the operation of this embodiment will be explained.

The lens part 30 is attached to the rotating frame 20 by engaging the engaging protrusions 31 on both side edges of the lens part 30 with the locking recesses 26 of the rotating frame 20. In addition, the first circuit board 51 with the infrared sensor 51 attached is attached to the board fixing piece 27 with screws, and the rotating frame 20 is inserted into the opening window 5 formed between the protrusions 3 and 4. The end shaft portion 25 of the elastic arm portion 24 protruding from the upper and lower inner surfaces of the rotating frame 20 is engaged with the bearing portions 8 of the protrusions 3 and 4 elastically. The rotating frame 20 is rotatably attached to the container body 2 by engaging the upper and lower parts of the inner surface with the guide flange 6. In this state, the rotation frame 20
The articulating protrusions formed on the inner surface of the upper and lower central parts of the articulating uneven surface 7
is engaged with. Further, the protrusion 43 of the actuating part 42 is fitted into the fitting hole 10 from the inner side, and the knob 41 fitted into the fitting hole 10 from the front side is coupled with the screw 44 to form the fitting hole 10.
A rotary operator 40 is configured to be rotatably attached to the rotor. When the second circuit board 53 is attached to the inner surface of the container body 2, the operating portion 61 of the slide switch 54 is engaged with the drive hole 45 formed in the operating portion 42 of the rotary operator 40, and the rotary operator With the rotation of 40 degrees, the operating section 61 is operated linearly, and the slide switch 54 can be switched.

Further, various parts such as a third circuit board 63 are attached to the main body case 1 so as to obtain the necessary basic performance as a human body sensing device. Then, it is attached to the rear side of the container body 2 to this main body case l. Further, the display plate 35 is attached and the operating section 41 is made to protrude from the circular hole 36. In this state, the display hole 13 of the container body 2 is communicated with the display hole 37, and the blinking state of the light emitting diodes 57 and 58 can be confirmed from the outside. In addition, the operation hole 14 of the vessel body 2
．． The operating portions 59 and 60 of the adjusting slide switch 55 and the adjusting variable resistor 56, which are exposed to the display panel 14 and do not require adjustment in normal times, are covered by the display board 35. In the final stage of the assembly process, the translucent cover 33 is attached to the opening window 5 of the vessel body 2.
The light-transmitting cover 33 is engaged with the protrusion-shaped retaining part 9 of the container body 2 by inserting it from the front and engaging the engaging hole 34 with the engaging part 9. Part 30° infrared sensor 5
1 etc. to cover and protect.

Then, the main body case 1 is attached to a built-in box or the like embedded and fixed in a wall surface or the like in the same manner as a wiring device.

Note that when the rotating frame 20 is rotated using the operating knob 28 provided at the center of the front surface, the rotating frame 20 is rotated about the shaft portion 25, and together with the rotating frame 20, the lens portion 30 and the circuit board 50 are rotated. The infrared sensor 51 attached to the
Adjust or change the detection area.

Then, by rotating the operating part 41 of the rotary operator 40, the operating part 61 of the slide switch 54, which was engaged with the drive hole 45 of the actuating part 42, is moved linearly, and within the set time set by the timer circuit. Detects a load, such as a lighting fixture in the load, and switches between automatic operation, always operation, and always non-operation.

〔Effect of the invention〕

According to the present invention, the translucent cover has engagement holes formed on both side edges thereof, and the both side edges of the translucent cover are inserted into the opening window of the vessel from the outside of the opening window. Since we have formed a retaining part that engages with the engagement hole of The cover can be inserted through the front opening window of the container and the locking hole can be engaged with the engaging part formed inside the opening window of the container, allowing assembly of the lens part, rotating frame, infrared sensor, etc. In some cases, the light-transmitting cover is not incorporated, which improves the ease of assembly.Furthermore, the light-transmitting cover is made of a plate-like material and the structure is simplified by simply forming an engagement hole at the edge. By rotating the rotation frame, the infrared sensor is also rotated integrally, and the detection area can be easily changed.

[Brief explanation of drawings]

Fig. 1 is an exploded side view of the human body sensing device main body showing an embodiment of the present invention, Fig. 2 is a perspective view of the same as above, Fig. 3 is an inner view of the movement control part of the same, and Fig. 4 is a longitudinal cross-sectional plane of the same as above. It is a diagram. 2. Body, 5. Opening window, 9. Engaging portion, 20. Rotating frame, 25. Shaft portion, 30. Lens portion, 33. Translucent light control cover, 34. - Engagement hole, 51... Infrared sensor.

Claims (1)

[Claims] (1) A container body with an opening window formed therein, a shaft portion formed in a substantially semi-cylindrical shape and rotatably attached to the container body facing the opening window, respectively provided at the upper and lower portions, and having a lens portion. A rotating frame, a substantially semicircular arc plate-shaped translucent light control cover disposed on the opening window facing the front side of the rotating frame, and an infrared sensor attached to the rear of the rotating frame. and a case with an open front surface to which the container body is attached, and the translucent cover has engagement holes formed on both side edges thereof, and the openings are provided inwardly of the opening window of the container body. A human body sensing device characterized in that an engaging portion is formed to engage with an engaging hole on both side edges of the translucent cover inserted from the outside of the window.