JPH03101596A - Wireless transmitter - Google Patents

Abstract

PURPOSE:To easily mount/dismount a transmitter to/from a wall face by making a tumbler shaped hole latched and locked removably to a head of a screw fitted onto the wall face to the rear face of the transmitter. CONSTITUTION:A pasteboard 45 is adhered to a prescribed position of a wall face 1 on which a transmitter 4 is going to be installed and a wooden screw 41 is screwed to a part of a mark 46 indicated on the pasteboard 45. When the wooden screw 41 is screwed, a prescribed margin is ensured for the part of a head 41c of the wooden screw 41 and the part projects from the wall face 1. Then the hole 43 of the transmitter 4 is latched to the wooden screw 41 to fix the transmitter 4 onto the prescribed position of the wall face 1. Moreover, a tapered face 44 is formed to the part of the edge of the hole 43, then the rear side of the head 41c of the wooden screw 41 is abutted onto the tapered face 44 to fit the transmitter 4 without any play.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a wireless transmitter that transmits a wireless signal to a receiver and controls on/off, for example, a lighting load connected to the receiver.

[Prior Art] Conventional transmitters of this type have been fixed to a wall using screws or the like.

[Problem to be solved by the invention] Conventionally, the transmitter was fixed to the wall with screws,
When replacing the battery, the transmitter cannot be removed from the wall unless the screws are loosened and removed, and there is a problem in that it is complicated to attach and remove the transmitter from the wall when replacing the battery.

Furthermore, even when the transmitter is removed for use, there is a problem in that the transmitter cannot be easily removed from the wall surface.

The present invention has been provided in view of the above-mentioned points, and an object of the present invention is to provide a wireless transmitter that can be easily attached to and detached from a wall.

[Means for Solving the Problems] The present invention is characterized in that a pot-shaped hole is drilled in the back of the transmitter to be removably hooked onto the head of a screw attached to a wall surface. It is.

[Function] Therefore, the potbell-shaped hole drilled on the back of the transmitter allows
It is designed to be removably hooked onto the head of a screw attached to the wall surface.

[Example] Hereinafter, an example of the present invention will be briefly explained with reference to the drawings. Fig. 9 shows an overall configuration diagram, in which a lighting fixture 3 as a load suspended from a ceiling 2 on a wall surface 1 is turned on and off. A transmitter 4 that wirelessly transmits a signal is installed. The wireless signal from this transmitter 4 is, for example, infrared,
A receiver 5 for receiving wireless signals is installed on the ceiling 2. The lighting fixture 3 is connected to the receiver 5 and the electric wire 6 on the back side of the ceiling 2.
The power source is connected to the receiver 5 by an electric wire 7.

FIG. 10 shows a block diagram of the transmitter 4 and receiver 5. The transmitter 4 includes an operation switch 51 for turning on and off the lighting fixture 3, a transmission circuit 52 that outputs a transmission output based on a signal from the operation switch 51, and a light emitting element 54 driven by receiving the output of the transmission circuit 52. It is composed of a light emitting element drive circuit 53 for controlling the light emitting element, a power supply circuit 55 made of a battery for supplying power to each circuit, and the like. Moreover, the receiver 5 is
A light receiving element 56 that receives a signal from the light emitting element 54 of the transmitter 4, an amplifying circuit 57 that amplifies the output of the light receiving element 56, and a signal processing circuit 58 that processes the output of the amplifying circuit 57.
It is comprised of an output drive circuit 59 for driving an output circuit 60 with the output of the signal processing circuit 58, a power supply circuit 61 for supplying power to each circuit, and the like. The receiver 5 receives power from a commercial power source. The receiver 5 wirelessly receives a signal transmitted by operating the operation switch 51 of the transmitter 4, and controls the lighting equipment 3 on and off.

Next, the structure of the transmitter 4, which is the gist of the present invention, will be explained. In FIGS. 4 and 5, the transmitter 4 has an outer shell composed of a flat base 8 and a flat cover 9 covering the front surface of the base 8, and the base 8 and cover 9 form an electronic circuit. The mounted printed circuit board 10 is held in place without screws.

Ribs 11 are provided in a grid pattern on the front surface of the base 8, and bosses 12 are formed above and below the center for hooking onto the heads of wood screws screwed onto the wall surface 1. Furthermore, base 8
Three abbreviated retaining protrusions 13 with their tips facing upward are protruded from both sides of the front surface. A battery storage section 15 for storing a button-shaped battery 14 is formed on the right side of the lower part of the base 8, and a holder 16 for holding the battery 14 is formed in the battery storage section 1.
5 so that it can be put in and taken out freely.

Elastic locking pieces 17 having a substantially doglegged shape are formed at the ends of both sides of the holder 16 , and a substantially doglegged protrusion 18 that engages with this locking piece 17 is formed on the battery storage portion 15 . It is. Further, the holder 16 has three supporting pieces 16a integrally formed inside thereof to support one side of the battery 14, and an operating piece 19 is formed at the end. As shown in FIGS. 7 and 8, a recess 19a is formed on the back surface, into which the tip of a screwdriver 20 or the like is inserted when removing the holder 16. The base 8 is provided with an opening 21 through which the hook 19b of the operating piece 19 of the holder 16 is hooked and locked to expose the recess 19a. Furthermore, protrusions 22 are provided protruding from both sides of the central portion of the base 8.

A slightly recessed concave portion 23 is formed in the center of the cover 9, and a U-shaped slit 24 is formed in the center to form a tongue piece 25 for operating the operating switch 51 that is visible inside. are doing. A recess 26 is formed in the upper part of the cover 9, and an insertion hole 27 through which the light emitting portion of the light emitting element 54 is inserted is bored into the recess 26. Then, the recess 26 is covered with an L-shaped filter 28 by, for example, ultrasonic heat bonding. In addition, a membrane nameplate 29 is provided on the concave portion 23.
is attached, and by pressing the central operation part 29a, the tongue piece 25 is pushed backward, and the operation switch 51 is pressed to operate it.

As shown in FIG. 4(a), three protrusions 30 are provided on both sides of the back surface of the cover 9 in the vertical direction, and there are also protrusions at locations corresponding to the protrusions 22 on the base 8. 31 are provided protruding from both sides. Furthermore, an engagement piece 32 that engages with the engagement protrusion 13 of the base 8 is protrudingly provided on the back surface of the cover 9, and the engagement piece 32 has a tip end of the engagement protrusion 13, as shown in FIG. An engagement hole 32a that engages with is formed.

The printed circuit board 33 on which the electronic circuit is mounted has a hole 34a and a notch 34b through which the boss 12 of the base 8 is inserted. An operation switch 51 such as a tact switch is mounted on the front surface of the printed circuit board 33, and a light emitting element 54 is arranged on the upper part. Printed circuit board 3
A pair of metal fittings 35 and 36 are arranged at the bottom of 3.

The metal fitting 36 mounted on the back side is formed into a substantially T-shape,
Elastic contact pieces 36a are formed that come into contact with one side of the battery 14 from both sides of the base. At the lower part of the metal fitting 35 mounted on the front side of the printed circuit board 33, an elastic contact piece 35a that contacts the circumferential surface of the battery 14 is formed in a substantially V-shape.

The base 8 and cover 9 are connected as follows.
That is, the printed circuit board 33 is placed on the rib 11 of the base 8, and the cover 9 is positioned slightly above the base 8, as shown in FIG. Make it correspond. Then, push the cover 9 diagonally downward as shown by the arrow in the figure, so that the tip of the engagement protrusion 13 and the engagement piece 3
The second engagement hole 32a is engaged with the second engagement hole 32a. In this case, base 8
Only the side χ dimension is caught on the cover 9 side. At this time, the engagement between the engagement protrusion 13 and the engagement piece 32 prevents vertical shaking, and furthermore, the width of the engagement protrusion 13 is adjusted so that the width of the engagement hole 32a is adjusted as shown in FIG. 4(a). By making the width approximately the same as the width, it is possible to prevent the base 8 and the cover 9 from shaking in the left and right direction. L protruding from both sides of the battery storage section 15 of the base 8
As shown in FIGS. 4(a) and 4(b), a protrusion 37a is formed inside the rib 37 of the mold, and a protrusion 38a that engages with this protrusion 37a is formed on a rib 38 protruding from the cover 9. .

The printed circuit board 33 is fixed by being held between the ribs 11 of the base 8 and the protrusions 30 of the cover 9 by coming into contact with them from both sides. Further, the positioning of the printed circuit board 33 is performed by inserting the boss 12 of the base 8 into the hole 34a and the notch 34b of the printed circuit board 33, so that the printed circuit board 33 can be secured between the cover 9 and the base 8 by screwing in one screw. I am doing it without using it. Further, the tip surfaces of the protrusions 22 and 31 provided on the base 8 and cover 9, respectively, come into contact when the base 8 and cover 9 are combined. Therefore, even if the surface of the cover 9 other than the operating portion 29a is pressed, no load is applied to the printed circuit board 33.

Further, both protrusions 22° 31 are located outside the printed circuit board 33, and
It also serves as a guide for part 3.

After the base 8 and the cover 9 are assembled, the battery 14 is placed on the support piece 16a of the holder 16, and the holder 16 is inserted into the battery storage section 15 as shown in FIG. 4(e). When the holder 16 is inserted, the locking piece 1 of the holder 16
7 and the protrusion 18 of the base 8 engage to hold the holder 16 on the base 8. At the same time, the contact piece 36 of the metal fitting 36
a contacts one side of the battery 14 to establish an electrical connection and to hold the battery 14 in the front-rear direction. Further, the contact piece 35a of the metal fitting 35 comes into contact with the circumferential surface of the battery 14 to establish an electrical connection and also holds the battery 14 in the vertical direction.

Here, when the holder 16 is stored, the hook part 19b of the operating piece 19 is engaged with the opening part 21, and the recessed part 19a is attached to the base 8.
It is exposed through the opening 21 of. Also, when the holder 16 is inserted, the rib 3 of the cover 9
9 comes into contact with one surface of the holder 16 to position the holder 16. When replacing the battery 14, as shown in FIG. 8, push the recess 19a of the working piece 19 of the holder 16 with the tip of the screwdriver 20 from the back of the base 8 to engage the hook 19b and the opening 21. By pulling the holder 16 at the same time as releasing the stop, the holder 16 is removed from the transmitter 4.
In other words, the battery 14 can be removed. Furthermore, when the base 8 and cover 9 are to be disassembled, the operation opposite to the above is performed.

Next, a case where the transmitter 4 is installed on the wall surface 1 will be explained. FIG. 3 shows a wood screw 41 for attaching the transmitter 4, and the threaded portion 41a is only formed halfway;
The washer 42 can be inserted only up to the base 41b of the wood screw 41. Therefore, the wood screw 41 can only be tightened up to the washer 42,
It will not close any further, and the 7 dimensions in the figure can be kept constant. On the other hand, as shown in FIG. 4(c) and FIG. 2, an inclined surface 44 is formed in the upper part of the hole 43 through which the wood screw 41 of the boss 12 of the base 8 is inserted.

As shown in FIG. 1, this hole 43 is formed in the shape of a so-called pothole, and has a structure in which a wooden screw 41 is screwed into the wall surface 1 and hung thereon.

First, as shown in FIG.
Screw the wood screw 41 into the mark 46 marked in 5. As the wood screw 41 is screwed forward, the head 41c of the wood screw 41 is secured with a certain amount of protrusion, as described above.
That part has a shape that protrudes from the wall surface 1. Therefore, by hooking it on the wood screw 41 through the hole 43 of the transmitter 4,
The transmitter 4 is fixed at a predetermined position on the wall surface 1. Furthermore, by forming an inclined surface 44 at the edge of the hole 43, as shown in FIG. 4 can be installed without any looseness.

[Effects of the Invention] As described above, the present invention has a potbell-shaped hole drilled in the back of the transmitter that is removably hooked onto the head of a screw attached to the wall surface. The potbell-shaped hole drilled on the back of the device allows it to be removably hooked onto the head of a screw attached to the wall, allowing the screw to be attached to the head of a screw attached to the wall as long as it is within range of transmitting and receiving wireless signals. The transmitter can be attached to any desired position on the wall surface and the transmitter can be easily attached to the screw, and it can also be easily attached and detached when replacing the battery or when it is used after being removed. be.

[Brief explanation of drawings]

Fig. 1 is a diagram showing how the wood screws are installed in an embodiment of the present invention, Fig. 2 is a sectional view showing how the above transmitter is attached to the wall, and Fig. 3 is a diagram showing the wood screws in the same example. Figure 4 (a
) is a front view of the same transmitter, and Figure 4(b) is the same as the fourth transmitter.
A cross-sectional view of the BOB5 line in Figure (,), Figure 4(e) is A in Figure 4(,) above. - A cross-sectional view of the A1 line, Figure 5 is an exploded perspective view of the transmitter shown above, Figure 6 is an explanatory diagram when the base and cover are combined, Figure 7 is a perspective view of the holder seen from the back side of the same FIG. 8 is an explanatory view showing the case where the holder is removed, FIG. 9 is an overall configuration diagram of the same, and FIG. 10 is a block diagram of the entire same. 1 is a wall surface, 4 is a transmitter, 5 is a receiver, 41 is a wood screw, 4
3 is a hole. Figure 1 1... Wall surface 4... Transmitter 41... Wood screw 43... Hole

Claims (1)

[Claims] (1) In a wireless transmitter that transmits a predetermined signal from the transmitter to the receiver and controls the load using the signal, it has a potbelly shape that is removably hooked onto the head of a screw attached to the wall. A wireless transmitter characterized in that a hole is bored in the back of the transmitter.