JPH0530581A - Terminal equipment for remote control - Google Patents

Abstract

PURPOSE:To make it possible to control a 200V circuit by means of a relay constituted of two circuits and to use this remote control terminal equipment as a flush type apparatus. CONSTITUTION:A terminal equipment case 20 is formed as the size of a so- called serial module corresponding to the connection size of three regulated wiring apparatus modules. The relay 16 consisting of two circuits is stored in a body 20a. Locking projections 35 for fixing the body 20a to a fixing frame 36 are projected on both the sides of a cover 20b. Respective contacts of the relay 16 are inserted and connected to respective poles of a power supply.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a remote control terminal device for receiving a transmission signal which is time-division-multiplexed and transmitted from a central control unit and performing load control.

[0002]

2. Description of the Related Art FIG. 6 shows a schematic configuration of a remote monitoring control system using a control terminal of this type. The central control unit 1 and switches S _{1 to} S ₄ each having a unique address are set.
A plurality of monitoring terminals 2 for monitoring the load, a control terminal 3 for controlling the loads L _{1 to} L ₄ , a wireless relay terminal 7, an external interface terminal 8 and a selector switch terminal 9 as a pair of signal lines. Connected at 4.

The transmission signal Vs sent from the central control unit 1 to the signal line 4 is, as shown in FIG. 7A, a start pulse signal ST indicating the start of signal transmission, a mode data signal MD indicating the signal mode, and a terminal. vessels 2, 3, address data signal AD for transmitting 8-bit address data for calling the 7-9, the control data signal CD for transmitting the control data for controlling the load L ₁ ~L _4, check sum data signal CS and the terminal device It is a multi-pole (± 24V) time division multiplex signal composed of a return standby signal WT for setting a return period from 2, 3, 7 to 9, and data is transmitted by pulse width modulation.

In each of the terminals 2, 3, 7-9, when the address data of the transmission signal Vs received via the signal line 4 and its own unique address data match, the transmission signal V
The control data of s is taken in and the monitoring data signal is returned as a current mode signal (a signal which is short-circuited between the signal lines 4 via an appropriate low impedance) in synchronization with the return standby signal WT of the transmission signal Vs. It is supposed to do.

In the central control unit 1, dummy signal transmitting means for constantly transmitting a dummy transmission signal in which the mode data signal MD is set to a dummy mode, any monitoring terminal 2 or the wireless relay terminal 7, and the external device. When the interrupt signal Vi returned from the interface terminal device 8 and the selector switch terminal device 9 as shown in FIG. 7B is received, the interrupt generating terminal devices 2, 7 to 9 are detected and the terminal device 2, An interrupt processing means for accessing 7 to 9 to return the monitoring data is provided.

Further, in the central control unit 1, as described above,
The monitoring terminal 2 or the wireless relay terminal 7,
External interface terminal 8, selector switch terminal
Based on the monitoring data returned from the device 9 to the central control unit 1.
Corresponding load L₁~ L_FourControl terminal 3 for controlling
Create the control data to be transmitted and
Data to the control terminal device 3 via the signal line 4 by time division multiplexing.
Transmit and load L₁~ L _FourTo control.

The wireless relay terminal device 7 is a terminal device for relaying data of an optical wireless system including an optical wireless transmitter X, an optical wireless receiver Y and a wireless signal line 4a, and is transmitted from the optical wireless transmitter X. The optical wireless receiver Y receives the received optical signal, the received data is received via the wireless signal line 4a, and the data is transferred to the central controller 1.

Further, the external interface terminal 8 is
The selector switch terminal 9 is a terminal that performs data transmission with the external control device 8a, and is a terminal that centrally controls a large number of loads. The monitoring terminal 2 and the control terminal 3 arranged in the distribution board 6 or the relay control panel 6a have a distribution board agreement size, and a remote control relay for load control is provided by the control output. (Latching relay that can be turned on and off also by a hand switch) 5 is controlled.

[0009]

The relay 5 used in the control terminal 3 has one circuit configuration, and although it can be used when the power source is 100V, it is difficult to control the 200V circuit. There has been a demand for a control terminal device using a circuit relay. The present invention is provided in view of the above-mentioned point, and a remote control terminal device capable of controlling a 200V circuit by using a two-circuit relay and being used as an implantable device is provided. Is provided.

[0010]

According to the present invention, there is provided a transmission signal processing circuit for receiving transmission signals such as address data and control data sent from a central control unit through a pair of signal lines and processing the signals. The address setting unit that sets a unique address is housed in the terminal case, the received address data is compared with the unique address, and when the address data matches, the control data of the transmission signal is taken in and the built-in relay is controlled, In the remote control terminal device in which the transmission signal processing circuit is formed so as to control the load by the on / off operation of the relay, the relay has at least two circuit configurations,
The size of the terminal device case is set to the size of three standardized wiring device modules, and the terminal device case is provided with a mounting means that is detachably mounted to a mounting frame embedded in a wall surface or the like.

[0011]

The 200V circuit can be controlled by inserting and connecting one circuit of the relay to each pole of the power source, and the size of the terminal case is standardized. The terminal device can be used as an embedded device because the device module has a size of three and the mounting case is detachably attached to the mounting frame in the terminal device case. Therefore, the terminal device can be used as a housing. It can be used for business.

[0012]

Embodiments of the present invention will be described below with reference to the drawings. Since the entire system is the same as the conventional example, the control terminal which is the gist of the present invention will be described in detail. FIG. 5 shows a block circuit diagram of the control terminal device 3, which includes a transmission signal processing circuit 10 including a microcomputer, an address setting unit 11 including a dip switch, a power supply including a Zener diode ZD ₁ and a transistor Q _2. It is composed of a circuit 12, a return circuit 13 including a resistor R ₁ and a transistor Q ₃ , a reset circuit 14 and an oscillation circuit 15.

The control terminal 3 is provided with a relay 16.
The relay 16 that controls this load is a set winding.
Two-winding latching relay with line S and reset winding R
The control data of the transmission signal from the central control unit.
On / off control is performed by the transmission signal processing circuit 10 based on
It This relay 16 has three contacts S₁~ S₃Have, within
Two contact points S₁, S₂Load L and power supply (eg 200
V) are inserted and connected respectively. Contact of relay 16
Contact S between each pole of the power supply using two circuits₁, S ₂Contact
It continues.

Now, the transmission signal transmitted via the signal line 4 is input to the transmission signal processing circuit 10 at the signal input terminal via the transistor Q ₁ , and the transmission signal processing circuit 10
Circuit power of each terminal circuit including is supplied via a power supply circuit 12 that makes the rectified voltage of the transmission signal a constant voltage.
Further, in the transmission signal processing circuit 10, the address setting unit 11
It is determined whether the unique address data set in the above and the address data of the received transmission signal match, the control data that is transmitted subsequently at the time of address matching is taken in, and the relay 16 corresponding to the specified load is controlled. It is like this.

FIG. 1 and FIG. 2 show the structure of the control terminal device 3, and the terminal device case 20 has a size equivalent to one standardized wiring device module and is a size in which three connected devices are so-called. The size of a series of modules. Terminal case 2
Reference numeral 0 is composed of a body 20a and a cover 20b.
In the body 20a, a relay 16, an address setting unit 11 including a dip switch, and a printed circuit board 22 on which the transmission signal processing circuit 10 is mounted are arranged. In addition, the body 20a is provided with an accommodating portion 24 in which a main terminal block 23 connected to a load is installed.

The main terminal block 23 includes a terminal plate 25 which is connected to a conductor of an electric wire from the outside, a lock spring 26 which biases the conductor to bring it into contact with the terminal plate 25, and a biasing force of the lock spring 26. Release button 27 for releasing the contact between the conductor and the terminal plate 25
Etc., and has a so-called quick-connect terminal structure.
Then, as shown in FIG. 2B, on the back surface of the body 20a, an insertion hole 28 for inserting an external electric wire and a hole 29 for inserting the tip of a tool such as a driver to urge the release button 27 are inserted.
Has been drilled.

In addition, opening windows 30 and 31 are formed on the bottom surface of the body 20a so as to face the dip switches constituting the address setting section 11. Further, at the bottom of the body 20a, a signal terminal 32, which is composed of a terminal plate and a terminal screw and to which the signal line 4 is connected, is fixed by caulking, and the signal terminal 32 is as shown in FIG. 2 (b). Further, it is formed so as to be exposed on the back surface of the body 20a.

Retaining pieces 33 having elasticity are projectingly provided at four corners of the back surface of the cover 20b which is provided on the opening surface of the body 20a. The engaging pieces 33 are engaged with the recesses 34 formed in the body 20a. Then, both are assembled and coupled. Cover 2
Two pairs of locking projections 35 are provided on both sides of 0b so as to be locked to the stepped portion 37 of the standardized mounting frame 36 for mounting wiring equipment, which is embedded in the wall surface. ..

Here, the mounting frame 36 made of an insulating material has a size such that three wiring devices (for example, switches, outlets, etc.) each having a size of one standardized wiring device module can be mounted. On one side piece, three elastic pieces 38 having elasticity with the step portions 37 formed on both sides are formed. A locking hole 39 is formed on the other side piece of the mounting frame 36 so as to correspond to each step 37.

Therefore, by inserting one locking projection 35 of the terminal case 20 into the locking hole 39 of the mounting frame 36 and locking the other locking projection 35 to the step portion 37 of the mounting frame 36,
The terminal case 20, that is, the control terminal 3 is detachably attached to the attachment frame 36. In addition, terminal case 2
The locking projection 35 of 0 constitutes the mounting means. Further, recesses 40 are formed on both side surfaces of the cover 20b so that the cover 20b can be mounted on a metal mounting frame.

The contacts S ₁ of the relay 16 in this embodiment,
The connection between the load L of S ₂ and the power supply (AC200V) is shown in FIG.
Also, as shown in FIG. 4, each pole is inserted and connected, which makes it possible to control a 200 V circuit. Here, FIG.
As shown in FIG. 3, a switch S ₁ such as a wall switch corresponding to the control terminal 3 and the control terminal 3 are arranged in one switch box 41.

[0022]

As described above, the present invention includes a transmission signal processing circuit for receiving transmission signals such as address data and control data sent from a central control unit through a pair of signal lines and processing the signals. The address setting unit that sets a unique address is housed in the terminal case, the received address data is compared with the unique address, and when the address data matches, the control data of the transmission signal is taken in and the built-in relay is controlled, In the remote control terminal device in which the transmission signal processing circuit is formed so as to control the load by the ON / OFF operation of the relay, the relay device has at least two circuit configurations, and the size of the terminal device case is standardized wiring equipment. The size of the module is three, and the terminal case is provided with mounting means that is detachably mounted to the mounting frame embedded in the wall surface or the like. It is possible to control a 200V circuit by inserting and connecting one circuit of the array to each pole of the power supply. Moreover, the size of the terminal case is equivalent to that of three standardized wiring equipment modules. In addition to having a size, the terminal case can be used as an embedded device because the terminal case is provided with a mounting means that is detachably mounted to the mounting frame, and therefore the terminal can be used for residential use. It is effective.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a control terminal according to an embodiment of the present invention.

2 (a) and 2 (b) are a plan view and a rear view of the above control terminal device.

FIG. 3 is a main part circuit diagram of the above.

FIG. 4 is an explanatory diagram showing a connection state between a load of the relay and a power source of the same.

FIG. 5 is a block circuit diagram of the above control terminal device.

FIG. 6 is a schematic configuration diagram of a remote control system.

FIG. 7 is an operation explanatory diagram of FIG. 6 above.

[Explanation of symbols]

 1 Central Control Unit 2 Monitoring Terminal 3 Control Terminal 4 Signal Line 10 Transmission Signal Processing Circuit 11 Address Setting Section 16 Relay 20 Terminal Case 36 Mounting Frame

Claims (1)

Claim: What is claimed is: 1. A transmission signal processing circuit for receiving a transmission signal, such as address data and control data, sent from a central control unit through a pair of signal lines and processing the signal, An address setting unit for setting an address is housed in the terminal case, the received address data and the unique address are compared, and when the address data match, the control data of the transmission signal is taken in and the built-in relay is controlled to control the relay. In the remote control terminal device in which the transmission signal processing circuit is formed so as to control the load by the on / off operation of, the relay has at least two circuit configurations, and the size of the terminal device case is:
A terminal device for remote control, characterized in that the terminal device case has a standardized size of three wiring equipment modules, and mounting means for detachably mounting to a mounting frame embedded in a wall surface or the like.