JPH04282525A - Relay device - Google Patents

Abstract

PURPOSE:To eliminate generation of a trouble such as misoperating a relay, causing damage in the relay and so on further to prevent generation of uncomfortable noise by vibration generated in the relay. CONSTITUTION:Vibration, propagated to a rubber damper 5 through a small printed wiring board 6, is damped by the rubber damper 5. Vibration, propagated to a soft copper wire 4 through the small printed wiring board 6, is damped by the soft copper wire 4. Also vibration, propagated to a rubber sheet 2, is damped in the rubber sheet 2.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention generally relates to a relay device, and more particularly to a relay device suitable as dial signal sending means for an electronic key telephone device.

0002

2. Description of the Related Art FIG. 2 is a perspective view showing the overall structure of a conventionally used relay device of this type.

The conventional relay device shown in FIG. 2 includes a relay 1 that transmits a DP dial to a telephone line (not shown) by switching contacts based on an input control signal, and a relay 1 that transmits a DP dial to a telephone line (not shown). , and a printed wiring board 3 on which various circuit components (not shown) are mounted and mounted. In the conventional relay device having the above-described configuration, the relay 1 is directly mounted and fixed onto the printed wiring board 3 by soldering. That is, by this soldering, the printed wiring board 3 of the relay 1
In addition to the mechanical connection to the top, the relay 1 and various circuit components (not shown) mounted on the printed wiring board 3 are connected via printed wiring (not shown) on the printed wiring board 3. ) was also used to make electrical connections between the

0004

[Problems to be Solved by the Invention] As mentioned above, in the conventional relay device, the relay 1 is directly mounted and fixed on the printed wiring board 3 by soldering, so that When the contacts of the relay 1 perform a switching operation to send out the DP dial, vibrations generated in the relay 1 due to this switching operation immediately propagate to the printed wiring board 3.

[0005] As described above, when the vibration generated in the relay 1 is propagated to the printed wiring board 3, the vibration is further propagated from the printed wiring board 3 to the casing (not shown) housing the printed wiring board 3. . Then, due to the propagation of this vibration, the printed wiring board 3 and the casing (not shown) cause mechanical resonance,
There is a problem in that this mechanical resonance generates unpleasant noise, which gives a feeling of discomfort to speakers and the like.

[0006] In order to solve this problem, methods such as covering the relay 1 with a cover member such as a metal case (not shown) or sealing the relay 1 with a metal case etc. have been proposed. was proposed.

However, if the above method is adopted, not only will the cost increase significantly, but the temperature of the relay 1 will increase because the heat generated in the relay 1 is not released to the outside, and this temperature increase causes the relay 1 to malfunction or
There were problems such as damage.

[0008] Therefore, the present invention has been made in consideration of the above-mentioned circumstances, and its purpose is to prevent problems such as relay malfunction or damage to the relay, and to eliminate vibrations caused by the relay. To provide a relay device that does not generate unpleasant noise at low cost.

[0009]

[Means for Solving the Problems] In order to achieve the above object, the present invention provides a circuit component holding member configured to allow mounting and mounting of circuit components, and a circuit mounted and mounted on the circuit component holding member. A relay that can be mounted together with a component and whose contacts perform a predetermined operation based on an input control signal, and a space defined by the relay and the circuit component holding member, and the relay is held in a space defined by the relay and the circuit component holding member. a vibration propagation regulating member that is mounted and fixed at a predetermined mounting position of the circuit component holding member and restricts vibrations generated by the operation of the relay from propagating to the circuit component holding member; The structure is equipped with the following features.

0010

[Operation] In the above configuration, since the relay is held by the vibration propagation regulating member and fixed at a predetermined mounting position of the circuit component holding member, the contacts of the relay perform a predetermined operation based on the input control signal. As a result, even if vibration occurs in the relay, propagation of this vibration toward the circuit component holding member is regulated by the vibration propagation regulating member. Therefore, the vibration generated in the relay propagates to the circuit component holding member, and further propagates from the circuit component holding member to the casing in which this circuit component holding member is housed, causing mechanical damage to the circuit component holding member and the casing. It is possible to prevent resonance from occurring and this mechanical resonance from becoming unpleasant noise. In addition, since the relay is held in the vibration propagation regulating member, the outer circumferential surface of the relay is not sealed and the heat generated in the relay is naturally released to the outside, so the relay may malfunction due to temperature rise. This also eliminates problems such as damage or breakage.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is a perspective view showing the overall structure of a relay device according to an embodiment of the present invention. Similarly to the relay device shown in FIG. 2, the relay device shown in FIG. 1 is suitably used as dial signal sending means of an electronic key telephone device.

In FIG. 1, the printed wiring board 3 has a thin flat plate shape as a whole. This printed wiring board 3
On the upper surface shown in FIG. 1, printed wiring (not shown) is provided on the printed wiring board 3 so that electrical connections can be made between various circuit components (not shown) to be mounted and mounted. .

In the relay device according to this embodiment, the mounting position of the relay 1 on the printed wiring board 3 is set at approximately the center of the upper surface of the printed wiring board 3, as shown in FIG. At approximately the center of the upper surface of the printed wiring board 3 described above, a rubber damper 5 having a substantially rectangular prism shape is attached and fixed to the upper surface of the printed wiring board 3 in a collapsed state as shown in the figure. This rubber damper 5 is provided not only to hold the relay 1 and mount and fix it on the printed wiring board 3, but also to prevent the vibration generated in the relay 1 from propagating to the printed wiring board 3 side. It is set up for the purpose of That is, the rubber damper 5 damps the vibrations generated in the relay 1, thereby preventing the vibrations from propagating from the relay 1 to the printed wiring board 3 side.

[0015] A small printed wiring board 6, which has a thin flat plate shape as a whole, is attached and fixed to the upper part of the rubber damper 5 mentioned above. The area of the upper surface of this small printed circuit board 6 has a generally square prism shape as a whole, and is designed to be installed and fixed in a laid down state, that is, with its long direction extending in the lateral direction in FIG. The area of the bottom of the relay 1 is set to be larger than the area of the bottom of the relay 1, and the area of the top surface of the printed wiring board 3 is set to be sufficiently smaller. By making the area somewhat larger than the bottom area of the relay 1 in this manner, the small printed wiring board 6 can securely hold the relay 1. On the upper surface of the small printed wiring board 6 shown in FIG.
Printed wiring (not shown) is installed to enable electrical connection between the relay 1 held on the small printed wiring board 6 and various circuit components (not shown) mounted on the printed wiring board 3 described above. is applied. The printed wiring (not shown) provided on the small printed wiring board 6 and the printed wiring (not shown) provided on the printed wiring board 3
(not shown) are electrically connected by a plurality of annealed copper wires 4 whose both ends are fixedly attached to the respective printed wirings by soldering.

Further, on the upper surface of the small printed wiring board 6 shown in FIG. 1, the relay 1, which has a substantially square columnar shape as a whole as described above, has its longitudinal direction extending in the lateral direction in FIG. It is attached and fixed by soldering in this state. The relay 1 is not only attached and fixed to the upper surface of the small printed wiring board 6 by the soldering, but also electrically connected to the printed wiring (not shown) provided on the small printed wiring board 6 by the soldering. It is being In this embodiment, a rubber sheet 2 is attached to the top surface and two rectangular side surfaces of the relay 1. The rubber sheet 2 covers the top surface and the two side surfaces of the relay 1 so that the end portion thereof has a substantially U-shape when viewed from the surface direction in FIG. The rubber sheet 2, like the rubber damper 5 described above, damps the vibrations generated in the relay 1.
This is provided in order to prevent vibrations generated from propagating to the printed wiring board 3, the casing (not shown), and the like.

The relay 1 switches a contact point (not shown) based on a control signal output from a control section (not shown) of an electronic button telephone device, thereby transmitting DP to a telephone line (not shown). It is designed to send out a dial.

Note that in this embodiment, the rubber damper 5
Double-sided tape (not shown) is attached to the upper and lower parts of the board, respectively. The rubber damper 5 is attached and fixed onto the printed wiring board 3 by the double-sided tape on the lower side of the rubber damper 5, and on the other hand, the double-sided tape on the upper side of the rubber damper 5 allows the small printed wiring board to be fixed. 6 is attached and fixed to the rubber damper 5.

In the above configuration, the relay 1 is configured to send the DP dial to the telephone line (not shown) based on the control signal output from the control section (not shown) mentioned above.
When the contacts switch, this switching action generates vibrations. This vibration is caused by the small printed wiring board 6
It not only propagates to the rubber damper 5 via the small printed wiring board 6, but also propagates to the annealed copper wire 4 via the small printed wiring board 6, and further propagates from the relay 1 to the rubber sheet 2.

However, since the vibrations propagated to the rubber damper 5 via the small printed wiring board 6 are attenuated by the rubber damper 5, they hardly propagate to the printed wiring board 3 side. Furthermore, the vibrations propagated to the annealed copper wire 4 via the small printed wiring board 6 are attenuated by the annealed copper wire 4, and therefore hardly propagated to the printed wiring board 3 side. Similarly, relay 1
Vibrations propagated from the rubber sheet 2 to the rubber sheet 2 are also attenuated in the rubber sheet 2. Therefore, even if vibration occurs in the relay 1 due to the switching operation of the contacts of the relay 1, this vibration propagates from the relay 1 to the printed wiring board 3 and the casing (not shown). It is possible to prevent mechanical resonance from occurring in a body (not shown), etc., and thereby causing unpleasant noise. In other words, the vibrations generated in the relay 1 are only heard by the speaker and the like as the operating sound of the relay 1 itself.

Furthermore, in the relay device according to this embodiment, since the rubber sheet 2 is not attached to the two square-shaped side surfaces of the relay 1 as shown in the figure, the switching operation of the contacts of the relay 1 is difficult. Even if heat is generated in the relay 1 due to such reasons, this heat is released to the outside from the two side surfaces. Therefore, the temperature of the relay 1 rises due to the heat generated by the relay 1 itself, and problems such as the relay 1 malfunctioning or being damaged due to this temperature rise can be eliminated.

The content described above relates to one embodiment of the present invention, and the present invention is not limited only to the above content. A member other than the rubber damper 5 and the rubber sheet 2 may be used as a member for regulating the propagation of vibrations generated in the relay 1. Also, attaching the small printed wiring board 6 to the rubber damper 5, and attaching the printed wiring board 3 to the rubber damper 5.
The upward attachment may be performed by using an adhesive instead of the double-sided tape provided on the upper and lower parts of the rubber damper 5, respectively.

[0023]

[Effects of the Invention] As explained above, according to the present invention,
The relay is interposed in a space defined by the relay and the circuit component holding member in a state in which the relay is held and fixed at a predetermined mounting position of the circuit component holding member, and the vibration generated by the operation of the relay is Since it is equipped with a vibration propagation regulating member that regulates the propagation of vibration to the circuit component holding member, problems such as relay malfunction or damage will not occur, and unpleasant noise caused by vibration generated in the relay will not occur. It is possible to provide a relay device that does not cause this problem at low cost.

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing the overall configuration of a relay device according to an embodiment of the present invention.

FIG. 2 is a perspective view showing the overall configuration of a relay device according to the prior art.

[Explanation of symbols]

1 Relay 2 Rubber sheet 3 Printed wiring board 4 Annealed copper wire 5 Rubber damper 6. Small printed wiring board

Claims (2)

[Claims] 1. A circuit component holding member configured to be able to mount and mount a circuit component; and a circuit component holding member configured to be able to mount and mount a circuit component; a relay configured to perform a predetermined operation; and a space defined by the relay and the circuit component holding member, the relay being held and fixed to a predetermined mounting position of the circuit component holding member. 1. A relay device comprising: a vibration propagation regulating member that is interposed in a state where vibrations generated by the operation of the relay are prevented from propagating to the circuit component holding member. 2. The relay device according to claim 1, wherein the bottom portion of the relay is attached and fixed to a relay holding member whose width is set to hold the bottom portion of the relay, and the bottom portion of the relay is fixedly attached to the relay holding member. The relay is mounted and fixed to the vibration propagation restricting member, and the surface of the relay except the bottom part is provided with a vibration propagation control member separate from the vibration propagation restricting member in order to restrict vibrations generated from the relay from propagating to other parts. Covered by a regulating member, between the relay and the circuit component mounted on the circuit component holding member, an annealed copper wire provided between the relay holding member and the circuit component holding member is provided. A relay device characterized in that it is configured to be electrically connected using the relay device.