KR100940197B1 - Contacting device for remote control - Google Patents

Abstract

The present invention relates to a remote control contact device that improves the contact reliability of the terminal, and to improve the operation speed for the contact and separation process between the movable contact portion and the fixed contact portion, the remote configuration of the configuration for increasing the contact force of the movable contact portion It is to provide a control contact device.

The present invention includes a rectifier circuit unit 110 for receiving the operation signal remotely and rectified to generate a half-wave input signal; A small switching means (120) connected to the rectifier circuit unit (110) and converting between normal close (NC) and normal open (NO) contacts when an operation signal is generated; An operation electromagnet device 130 for generating an electromagnetic force from the half-wave input signal to advance and retract the movable core 131 accommodated therein; An operation lever 140 which rotates clockwise (forward direction) and counterclockwise (reverse direction) according to the forward and backward motions of the movable core 131; A movable contact unit 150 coupled to one side of the operation lever 140 and moving according to a rotation operation of the operation lever 140; A fixed contact unit 160 fixed to the housing 180 and configured to determine an open position and a closed position state of the main circuit by contact with the movable contact unit 150; It is configured to include a rotating lever 170 is connected to the upper rotation of the operation lever 140 and interlocked together when the operation of the operation lever 140, one end of the operation lever 140 is movable The operation lever pressing portion 143 protruding in a curved direction toward the contact portion 150 is formed to increase the contact pressure on the movable contact portion 150 in the operation of rotating in the forward direction, the lower end of one side of the operation lever 140 The engaging projection 145 is protruded by engaging with the movable contact portion 150 is characterized in that it is possible to quickly pull the movable contact portion 150 in the rotation to rotate in the reverse direction.

Description

Contact device for remote control with improved contact reliability of terminals {Contacting device for remote control}

The present invention relates to a contact control device for remote control that improves the contact reliability of the terminal, and more specifically, a short AC waveform of about 20ms to open and close the electrical contact using the principle of electromagnets and permanent magnets, such as a remote control breaker or a remote control relay The present invention relates to a remote control contact device used to remotely control various load power sources such as lighting.

In general, the contact point device for remote control is to open and close the electrical contact point using the principle of electromagnets and permanent magnets according to the remote control signal, which is an essential device for intelligent building and lighting equipment, and precise operation characteristics are required.

Such a remote control contact device can implement its operation by using a small switching means having a C contact (chang-over contact: conversion contact) method, Figure 1 is an operation circuit diagram of a conventional remote control contact device, 2 is a main configuration diagram of a conventional remote control contact device.

In the remote control contact device as described above, when a short AC waveform of about 20 ms is applied by a remote signal from an operation controller from the outside, the rectifier diode rectifies it and converts the half-wave input signal to the NC (Normal Close) of the small switching means 10. The magnet is transferred to the operation electromagnet device 20 through the contact and excited, and the movable core 21 accommodated in the operation electromagnet device 20 moves forward or backward by the electromagnetic force. The front end of the movable core 21 is coupled to the lower end of the operation lever 30 by a connecting pin 22 and interlocked with each other. The operation lever 30 is centered on the rotating shaft 31 according to the forward or backward movement of the movable core. Turn clockwise or counterclockwise to move the movable contact portion 40 coupled to one side of the operation lever 30 in contact with the fixed contact portion 50 or to be spaced apart to turn on the power supply of the main circuit. The / OFF state is switched. At this time, even if the power applied from the operation controller is cut off, the current state of the movable contact portion 40 is maintained from the permanent magnet of the operation electromagnet device 20.

Protruding portion 32 for pressing the small switching means 10 is formed in the upper part of the operating lever 30 to press or switch the contact point of the small switching means 10 according to the rotation operation of the operating lever 30. In this process, the positive direction circuit and the negative direction circuit are switched each other.

However, in the conventional remote control contact device having the above configuration, the movable contact portion 40 driven together with the operation lever 30 moves depending on whether the operation electromagnet device 20 is driven, but the operation speed and reliability of the contact. Was not considered. That is, the movable contact portion and the fixed contact portion must be quickly contacted or spaced for reliable operation, and thus a remote control contact device for improving the contact reliability of the terminal is required.

Accordingly, the present invention has been made to solve the above-described problems of the prior art, and improves the operation speed for the contact and separation process between the movable contact portion and the fixed contact portion in the remote control contact device, and improves the operation reliability It is an object of the present invention to provide a contact control device for remote control of the configuration for increasing the contact force of the movable contact portion.

As a technical means for achieving the above object, the present invention includes a rectifying circuit unit for receiving the operating signal remotely and rectified to generate a half-wave input signal; A small switching means connected to the rectifying circuit unit and converting an NC (Normal Close) contact and a NO (Normal Open) contact with each other when an operation signal is generated; An operation electromagnet device for generating an electromagnetic force from the half-wave input signal to advance and retract the movable core housed therein; An operating lever which rotates clockwise (forward direction) and counterclockwise (reverse direction) according to the forward and backward motions of the movable core; A movable contact part coupled to one side of the operation lever and moving according to a rotation operation of the operation lever; A fixed contact portion fixed to the housing and configured to determine an open position and a closed position state of the main circuit by contact with the movable contact portion; A rotation lever connected to be rotatable at an upper portion of the operation lever and interlocked together when the operation lever is rotated, wherein a lower end of one side of the operation lever protrudes linearly toward the movable contact portion; It is formed to increase the contact pressure to the movable contact portion in the operation of rotating in the forward direction, and the locking projection protrudes on one side lower end of the operating lever is engaged with the movable contact portion, so that the movable contact portion can be quickly pulled and rotated in the reverse rotation operation. It is characterized by being.

In addition, the center of the movable contact portion formed a curved portion bent toward the operating lever to receive the contact pressure of the operating lever pressing portion when the operating lever is rotated, the center of the curved portion forms a through-hole engaging projection hole through the engaging projection of the operating lever through After the engagement is to form a locking state, the upper portion of the movable contact portion is formed with a spring support portion bent and protruded in the shape of "┛", the center of the operation lever is formed through the movable contact portion coupling hole, the mutual engagement, one side of the operation lever Spring is installed between the "자" -shaped spring support portion is characterized in that to increase the contact force of the movable contact terminal and to absorb the shock during the contact process.

According to the remote control contact device which improves the contact reliability of the terminal according to the present invention, there is an effect of increasing the contact pressure of the movable contact portion through the operation lever pressing portion during the forward rotation of the operation lever, the operation lever pressure protruding gradually curved The part also has the effect of gradually increasing the contact pressure during the rotation of the operating lever.

In addition, since there is no clearance between the components because it makes a rigid locking engagement state with the movable contact portion from the locking projection of the operating lever, there is also an effect that can be quickly pulled by the movable contact portion during the reverse rotation of the operating lever.

In addition, the spring installed between the operating lever and the movable contact portion increases the contact force of the terminal and absorbs the impact during the contact process, and has the effect of dragging the spring to the critical point by the magnetic force of the permanent magnet without stopping in the middle.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

3 is an exploded perspective view of a remote control contact device according to an embodiment of the present invention, Figure 4 is an assembled perspective view of the main configuration of the remote control contact device according to an embodiment of the present invention.

In addition, Figure 5 is a block diagram showing a state in which the contact in the remote control contact apparatus according to an embodiment of the present invention, Figure 6 is a state in which the contact is spaced apart from the remote control contact apparatus according to an embodiment of the present invention The configuration diagram is shown.

As described above, the remote control contact device 100 according to the present invention is connected to the rectifier circuit unit 110 and the rectifier circuit unit 110 to receive the operation signal remotely and rectify it to generate a half-wave input signal, switching Small switching means 120 for controlling the operation, the operation electromagnet device 130 for generating an electromagnetic force from the half-wave input signal to move forward and backward accommodated therein, and clockwise according to the forward and backward movement of the movable core And an operation lever 140 that rotates in a counterclockwise direction and switches the power ON / OFF state of the main circuit accordingly, and is coupled to a lower end side of the operation lever 140 in accordance with a rotation operation of the operation lever 140. A movable contact unit 150 moving together, a fixed contact unit 160 fixed to the housing 180 and determining an ON / OFF state of a main circuit power supply by contact with the movable contact unit 150, and the operation lever 140 It is configured, including the connected part so as to be able to rotate in one rotation lever (170) for rotational motion with rotation operation of the operation lever 140, a housing 180 for accommodating the above-described configuration and protection.

The rectifier circuit unit 110 corresponds to a rectifier circuit that generates a half wave signal by rectifying the rectified diode when a short AC waveform of about 20 ms is applied from a remote signal of an external operation controller.

Small switching means 120 is connected to the rectifier circuit unit 110 to control the switching operation, made of a C contact (chang-over contact: conversion contact) method, the contact by the touch of the rotary lever 170 The pressing lever 121 for changing the state is formed to protrude to the outside.

The operation electromagnet device 130 generates an electromagnetic force from the half-wave input signal and advances and retracts the movable core 131 accommodated therein by the repulsive force and the attraction force of the magnet. The crossbar 132 is provided at the front end of the movable core 131. Is connected but the front end of the crossbar 132 is connected to be rotatable from the connecting pin 133 at the lower end of the operating lever 140.

The operation lever 140 rotates clockwise (forward direction) and counterclockwise (reverse direction) according to the forward and backward motions of the movable core 131, and the position change determines the contact between the movable contact portion and the fixed contact portion. By switching the main circuit to the open position and the closed position, the detailed configuration of the operation lever 140 is the same as the perspective view shown in FIG. 7 and the side view shown in FIG.

9 is an exploded perspective view of the operation lever, the movable contact portion, and the rotation lever described below.

As described above, the operation lever 140 is formed so that the operating lever rotation shaft 141 protrudes on both sides of the center portion is rotatably coupled to both sides of the housing 180, the lower end connection pin coupling hole 142 is formed to connect the pin The crossbar 132 of the operation electromagnet device 130 is rotatably connected together with the combination of the 133. That is, according to the forward and backward movements of the crossbar 132 integrally connected from the movable core 131, the operation lever 140 is clockwise (forward direction) and counterclockwise (reverse direction) around the operation lever rotation shaft 141. It is rotating.

One side of the operation lever 140 is connected to the movable contact portion 150, the movable contact portion coupling hole 144 is formed in the center is coupled to the spring support 153 of the movable contact portion 150.

In addition, the lower end of one side where the movable contact portion 150 is located is formed with an operation lever pressing portion 143 protruding in a curved shape toward the movable contact portion 150, such operation lever pressing portion 143 is operated Pressing the curved portion 151 of the movable contact portion 150 in the process of rotating the lever 140 in the clockwise direction (forward direction) to increase the contact pressure, and also in the rotation process of the operating lever 140, the contact pressure gradually increases It is structured to receive less pressure at initial contact point.

In addition, the engaging projection 145 is protruded on one side of the operation lever 140 is connected to the movable contact portion 150 to form a coupling state through the engaging projection coupling hole 152 of the movable contact portion 150. . The locking projection 145 as described above is capable of quickly pulling and rotating the movable contact unit 150 engaged by the operation lever 140 while rotating in the counterclockwise direction (reverse direction). Movable contact portion 150 also serves to provide a strong connection so that there is no play between each other.

In addition, the upper portion of the operation lever 140 is rotatably connected to the arc connecting groove 171 of the rotary lever 170 to be described later protruding the connection protrusion 146, the electromagnetic force generated in the operation electromagnet device 130 Before and after the reciprocating operation of the movable core 131 is to be connected to the rotation operation of the operating lever 140 and the rotary lever 170.

The movable contact unit 150 is coupled to one side of the lower end of the operation lever 140 to move together in accordance with the rotation operation of the operation lever 140, and the opening and closing positions of the main circuit in contact with the fixed contact unit 160 By converting, the configuration is the same as the exploded perspective view shown in FIG.

The center of the movable contact portion 150 forms a curved portion 151 that is bent toward the operating lever 140 to receive the contact pressure of the operating lever pressing portion 143 when the operating lever 140 rotates, and the curved portion ( 151, the center is formed through the engaging projection engaging hole 152 to form a locking state after the engaging projection 145 of the operating lever 140 through the coupling.

The upper portion of the movable contact portion 150 is formed by a spring support 153 is formed to be bent and protruded in the shape of "되어" to penetrate through the movable contact portion coupling hole 144 of the operating lever 140, operation lever 140 Spring 154 is installed between one surface of the " " and " shaped "

The fixed contact unit 160 is installed to face the movable contact unit 150 and is fixed to the housing 180, and the opening and closing positions of the main circuit are determined by contact with the movable contact unit 150. .

The rotary lever 170 is connected to be rotatable at the upper side of the operation lever 140 and interlocked together during the rotation operation of the operation lever 140, the configuration of which is as shown in the exploded perspective view shown in FIG.

As described above, the arc-shaped connecting groove 171 is formed on the upper portion of the rotary lever 170 is to be interlocked with the operation lever 140 by being coupled to the connection projection 146 of the operation lever 140, The rotating lever rotating shaft 172 is formed in the center portion to serve as a central axis of the rotational operation through the configuration coupled to both sides of the housing 180, the lower end to press the pressing lever 121 of the small switching means 120 The rotary lever pressing protrusion 173 is bent and protruded in one direction.

As described above, although the technical idea of the present invention has been described with reference to the preferred embodiments, those skilled in the art will be able to vary the present invention without departing from the spirit and scope of the present invention as set forth in the claims below. Can be modified and changed.

1 is an operation circuit diagram of a conventional remote control contact device,

2 is a main configuration of a conventional remote control contact device,

3 is an exploded perspective view of a remote control contact device according to an embodiment of the present invention,

Figure 4 is an assembled perspective view of the main configuration of the remote control contact device according to an embodiment of the present invention,

5 is an assembly configuration showing the contact state of the contact in the remote control contact device according to an embodiment of the present invention,

6 is an assembly configuration showing a state in which the contact is spaced apart from the remote control contact device according to an embodiment of the present invention,

7 is a perspective view of an operation lever according to an embodiment of the present invention,

8 is a side view of the operation lever according to the embodiment of the present invention,

9 is an exploded perspective view of the operation lever, the movable contact portion, and the rotation lever according to the embodiment of the present invention.

<Description of Symbols for Main Parts of Drawings>

100: contact device for remote control 110: rectifier circuit

120: small switching means 121: pressure lever

130: operation electromagnet device 131: movable core

132: crossbar 133: connecting pin

140: operation lever 141: operation lever rotation axis

142: connecting pin coupling hole 143: operating lever pressing portion

144: movable contact portion coupling hole 145: locking projection

146: connection protrusion 150: movable contact

151: curved portion 152: locking projection coupling hole

153: spring support 154: spring

160: fixed contact portion 170: rotary lever

171: arc connection groove 172: rotary lever rotary shaft

173: rotary lever pressing protrusion 180: housing

Claims (2)

delete A rectifying circuit unit 110 receiving the operation signal remotely and rectifying it to generate a half-wave input signal; A small switching means (120) connected to the rectifier circuit unit (110) and converting between normal close (NC) and normal open (NO) contacts when an operation signal is generated; An operation electromagnet device 130 for generating an electromagnetic force from the half-wave input signal to advance and retract the movable core 131 accommodated therein; An operation lever 140 which rotates clockwise (forward direction) and counterclockwise (reverse direction) according to the forward and backward motions of the movable core 131; A movable contact unit 150 coupled to one side of the operation lever 140 and moving according to a rotation operation of the operation lever 140; A fixed contact unit 160 fixed to the housing 180 and configured to determine an open position and a closed position state of the main circuit by contact with the movable contact unit 150; It is configured to include; a rotation lever 170 connected to be rotatable in the upper portion of the operation lever 140 and interlocked together during the rotation operation of the operation lever 140, The lower end of one side of the operation lever 140 has a contact lever pressure portion 143 protruding in a curved direction toward the movable contact portion 150 to form a contact pressure with respect to the movable contact portion 150 in an operation of rotating in a forward direction. To increase, one side lower end of the operation lever 140 is protruding by the engaging projection 145 is coupled to the movable contact portion 150 is to be able to quickly pull the movable contact portion 150 in the rotation to rotate in the reverse direction, The center of the movable contact portion 150 forms a curved portion 151 that is bent toward the operating lever 140 to receive the contact pressure of the operating lever pressing portion 143 when the operating lever 140 rotates, and the curved portion 151 ) In the center to form a through-engagement engaging hole 152 through the engaging projection 145 of the operating lever 140 to form a locking state after the through-coupling,  The upper portion of the movable contact portion 150 is formed with a spring support 153 bent and protruded in the shape of "┛", the center of the operating lever 140, the movable contact portion coupling hole 144 is formed through the mutual coupling , Between the one surface of the operating lever 140 and the "┛" shaped spring support 153 is a spring 154 is installed to increase the contact force of the movable contact portion 150 terminal and to absorb the shock during the contact process Remote control contact device with improved contact reliability.

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