JPH03101595A - Wireless transmitter - Google Patents

Abstract

PURPOSE:To attain ease of support or release of a holder by latching and locking a latch of a tip of an operation piece of a holder to a hole of a housing so as to surely support and fix the holder to the housing when the holder is mounted to the housing and depressing the latch so as to release the lock between the latch and the hole when the holder is removed from the housing. CONSTITUTION:A printed circuit board 10 is fixed by abutting a rib 11 of a base 8 and a projection 30 of a cover 9 from both sides and holding. A holder 16 is inserted to a battery accommodation section via a notch. When the holder 16 is inserted, the lock piece of the holder 16 and the projection 18 of the base 8 are engaged with each other and the holder 16 is supported to the base 8 without a play. When the battery 14 is replaced, a recessed part 19a of an operation chip 19 of the holder 16 is pushed from the rear side of the base 8 with a tip of a screw driver 20 to release the engagement between the latch 19b and the hole 21 and the holder 16 is drawn to remove the holder 16, that is, the battery 14 from the transmitter 4.

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] A transmitter that transmits this type of wireless signal generally uses a battery as a power source, and the battery is slidably inserted into the transmitter using a holder.

FIG. 11 shows a conventional example, in which a holder 16' is inserted through a notch provided at the bottom of the transmitter 4, and after insertion, a screw 4
7, the holder 16' was fixed to the transmitter 4 by screwing.

[Problems to be Solved by the Invention] In such a conventional example, the holder 16' is fixed with the screw 47 because the holder 16', that is, the battery is not easily removed. This is to prevent the risk of the battery being swallowed by removing the holder 16'. However, fixing the holder 16' with the screws 47 is cumbersome because the screws 47 must be removed when replacing the battery, and there is also a risk that the screws 47 may be lost. Therefore, the holder 16 can be used without screws.
There was a demand for a structure that would prevent the ' from being easily removed.

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 without screws and in which the holder cannot be easily removed from the housing.

[Means for Solving the Problems] The present invention provides for a holder for holding a battery to be slidably mounted in a housing through a notch provided in a main part of a housing of a transmitter, and for the holder to have elastic operation. forming a piece, and forming a hook part at the tip of the operation piece,
The housing is provided with a hole through which the hook portion is hooked and locked when the holder is attached to the housing.

[Function] When the holder is attached to the housing, the hook at the tip of the operation piece of the holder is hooked into the hole in the housing to securely hold and fix the holder to the housing.
Furthermore, when the holder is removed from the housing, the hook is pushed to release the engagement between the hook and the hole.

[Example] Hereinafter, an example of the present invention will be described with reference to the drawings. 9th
The figure shows an overall configuration diagram, and a transmitter 4 is installed on a wall surface 1 to wirelessly transmit a signal for turning on and off a lighting fixture 3 as a load hanging from a ceiling 2. The wireless signal from this transmitter 4 is, for example, infrared rays, and a receiver 5 for receiving the wireless signal is installed on the ceiling 2. The lighting fixture 3 is connected to the receiver 5 on the back side of the ceiling 2 by an electric wire 6, and the power source is connected to the receiver 5 by an electric wire 7.

FIG. 10 shows a diagram of the transmitter 4 and the receiver 5. The transmitter 4 has an operation switch 51 for turning on and off the lighting equipment 3, and a signal from the operation switch 51 to output the transmission output. The light emitting element driving circuit 53 receives the output from the transmitting circuit 52 and drives the light emitting element 54, and the power supply circuit 55 includes a battery that supplies power to each circuit. 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. 1 and 2, 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 for hooking the heads of wood screws screwed onto the wall surface 1 are formed above and below the center. Furthermore, base 8
Three abbreviated engaging 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. Furthermore, the holder 16 has three support pieces 16a integrally formed inside thereof to support one side of the battery 14, an operation piece 19 is formed at the end, and a hook part 1 having an L-shaped tip.
As shown in FIGS. 7 and 8, a recess 19a is formed on the back surface of the holder 9b, into which the tip of a screwdriver 20 or the like is inserted when the holder 16 is removed. A hole 21 through which the hook portion 19b of the operation piece 19 of the holder 16 is exposed is bored in the base 8. Furthermore, there are protrusions 22 on both sides of the center portion of the base 8.
is a protruding part.

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 part of the light emitting element 54 is inserted is bored through the four parts 26. Then, the recess 26 is covered with an I-type filter 28 by, for example, ultrasonic heat bonding. A membrane nameplate 29 is attached to the concave portion 23, and by pressing the central operating portion 29a, the tongue piece 25 is pushed backward, and the operating switch 51 is pressed for operation.

As shown in FIG. 1(a), on both sides of the back of the cover 9,
Three protrusions 30 are provided to protrude in the vertical direction, and protrusions 31 are provided on both sides of the base 8 at locations corresponding to the protrusions 22. Furthermore, an engagement piece 32 that engages with the engagement protrusion 13 of the base 8 is provided protrudingly 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 10 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 approximately at the center of the front surface of the printed circuit board 10, and a light emitting element 54 is arranged at the top. Printed circuit board 1
A pair of metal fittings 35 and 36 are arranged at the bottom of 0.

The metal fitting 36 mounted on the back side is formed into a substantially T-shape,
Elastic contact pieces 36a are formed that contact 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 10, 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 10 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 X dimension on the side 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. 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. 1(a) and 1(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 10 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 10 is performed by inserting the boss 12 of the base 8 into the hole 34a and the notch 34b of the printed circuit board 10, so that the printed circuit board 10 can be secured between the cover 9 and the base 8 by screwing in place. I am doing it without using it. Further, the tip surfaces of the protrusions 22 and 31 provided on the base 8 and the cover 9 respectively come into contact when the base 8 and the 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 10.

Furthermore, both protrusions 22° 31 are positioned on the outside of the printed circuit board 10, and
It also serves as a guide for 0.

When the base 8 and cover 9 constituting the housing are combined, as shown in FIG. 1(e), there is a notch 48 between the lower base 8 and cover 9 for inserting the holder 16 will be formed. The battery 14 is placed on the support piece 16a of the holder 16, and the holder 16 is inserted into the battery storage portion 15 through the notch 48, as shown in FIG. 1(e). When the holder 16 is inserted, the locking piece 17 of the holder 16 and the protrusion 18 of the base 8 engage, and the holder 16 is held on the base 8 without wobbling.

At the same time, the contact piece 36 a of the metal fitting 36 comes into contact with one side of the battery 14 to establish an electrical connection, and also causes the battery 14 to move forward and backward.
hold. Furthermore, the contact piece 35a of the metal fitting 35 is connected to the battery 14.
The battery 14 is held in the vertical direction while making electrical connection by contacting the peripheral surface of the battery 14 . Here, holder 16
When the operation piece 19 is stored, as shown in Fig. 1(e),
The hook portion 19b of the base 8 is engaged with the hole 21 of the base 8, and the hook portion 1
The recessed portion 19a of the hole 21 is exposed from the opening surface of the hole 21. Further, when the holder 16 is inserted, the rib 39 of the cover 9 comes into contact with one surface of the holder 16 to position the holder 16, as shown in FIG. 1(b). When replacing the battery 14, as shown in FIG. 8, push the concave part 19a of the operation piece 19 of the holder 16 with the tip of the screwdriver 20 from the back of the base 8 to engage the hook part 19b and the hole 21. By releasing and pulling the holder 16, the holder 16, that is, the battery 14 can be removed from the transmitter 4. Further, when disassembling the base 8 and cover 9, the operation is reversed to the above.

Next, a case where the transmitter 4 is installed on the wall surface 1 will be explained. FIG. 5 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, ensuring that the Y dimension in the figure remains constant. On the other hand, as shown in FIGS. 1(c) and 4, 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. 6, 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 onto the wall surface 1 and hung thereon.

First, as shown in FIG.
Screw the wood screw 41 into the mark 46 marked in the figure.

As the wood screw 41 is screwed forward, the head portion 41c of the wood screw 41 has a certain amount of protrusion as described above, and that portion protrudes from the wall surface 1. Therefore, by hooking the transmitter 4 onto the wood screw 41 through the hole 43, 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. There are some that allow you to install 4 without any looseness.

[Effects of the Invention] As described above, the present invention includes a holder for holding a battery that is slidably mounted in the housing through a notch provided in the main part of the housing of the transmitter, and an elastic operation mechanism for the holder. At the same time, a hook is formed at the tip of the operation piece, and a hole is drilled in the housing to catch and lock the hook when the holder is attached to the housing. When the holder is attached to the housing, the hook at the tip of the operating piece of the holder is hooked into the hole in the housing to securely hold and fix the holder to the housing. By pushing the button to release the stop between the hook and the hole, there is no need for screws and the holder cannot be easily removed from the housing.

[Brief explanation of drawings]

FIG. 1(a) is a front view of the transmitter of the present invention, FIG. 1(b)
is a sectional view of line B, -B in Fig. 1(a) above, Fig. 1(e) is a sectional view of Ao A+ line in Fig. 1(a) above, and Fig. 2 is a sectional view of line Ao A+ in Fig. 1(a) above. Figure 3 is an explanatory diagram of the hole in which the base and cover are assembled together, Figure 4 is a sectional view showing how the transmitter is mounted on the wall, and Figure 5 is the same as above. Figure 6 is a diagram showing the installation of the same wood screw as above, Figure 7 is a perspective view of the holder seen from the back of the same as above, and Figure 8 is an explanation showing how to remove the same holder as above. Figure 9 is the overall configuration diagram of the same as above,
FIG. 10 is an overall block diagram of the same as above, and FIG. 11 is a perspective view of essential parts of the conventional example. 4 is a transmitter, 5 is a receiver, 16 is a holder 19 is an operating piece, 19b is a hook, 21 is a hole, and 48 is a notch.

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, the battery is inserted into the housing through a notch provided in the main part of the housing of the transmitter. A holder for holding the holder is slidably attached, and an elastic operating piece is formed on the holder, and a hook is formed at the tip of the operating piece, so that the hook is hooked when the holder is attached to the housing. A wireless transmitter characterized in that a locking hole is bored in the housing.