JPH03195195A - Remote supervisory and control system - Google Patents

Abstract

PURPOSE:To pack a telephone control system correspondent type air conditioner into a remote supervisory and control system as load and to enable ON/OFF control for the air conditioner by the remote supervisory and control system by providing a terminal equipment with the telephone control system correspondent type air conditioner as the load. CONSTITUTION:A terminal equipment 10 is provided with a telephone control system correspondent type air conditioner L5, which operation can be controlled by using a telephone line 4, as the load. Thus, the telephone control system correspondent type air conditioner L5 can be packed into the remote supervisory and control system as the load and for the air conditioner, the ON/OFF control can be executed by the remote supervisory and control system.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application J] The present invention relates to a remote monitoring and control system for remotely monitoring and controlling the operation of a load.

[Conventional technology] This type of remote monitoring and control system is shown in FIG.

This remote monitoring and control system includes a central control device 1, a plurality of monitoring terminals 2 each having a unique address and monitoring switches S, ~S, a control terminal 3 controlling loads and ~L4, and a wireless The relay terminal 7, the external interface terminal 8, and the pattern setting terminal 9 are connected by a pair of signals #14, and the central control I! c position 1
The transmission signal Vs sent from the signal line 4 to the signal line 4 is shown in FIG.
), a start pulse signal ST indicating the start of signal transmission, a mode data signal MD indicating the signal mode, an address data signal AD transmitting 8-bit address data for calling the terminal device 2°3.7 to 9, and a load. A bipolar ( It is a time division multiplexed signal of ±24 cm), and data is transmitted by pulse width modulation. In each terminal device 2.3.7 to 9, when the address data of the transmission signal S received via the signal M4 matches its own unique address data, it takes in the control data of the transmission signal Vs, and The monitoring data signal is converted into a current mode signal (signal A14ff) in synchronization with the return standby signal WT of the signal Vs.
1 is short-circuited through an appropriate low impedance and sent back as a signal). Further, the central control device 1 includes a dummy signal transmitting means for constantly transmitting a dummy transmission signal with the mode data signal MD in a dummy mode, and either a monitoring terminal 2 or a wireless relay terminal 7 or an external interface terminal. 8. When the interrupt signal Vi as shown in FIG. 9(b) returned from the pattern setting terminal 9 is received, the interrupt generating terminal 2, 7 to 9 is detected and the terminal 2, 7 is Interrupt processing means is provided for accessing .about.9 and returning monitoring data. Also, central control! If! ! 1, the corresponding load is calculated based on the monitoring data sent back to the central control device 1 from the monitoring terminal 2 or the wireless relay terminal 7, the external interface terminal 8, and the pattern setting terminal 9 as described above. , ~L4, and time-division multiplex transmission of the control data to the control terminal 3 via the signal line 4 to control the loads L1~L. It's meant to be controlled.

The wireless relay terminal 7 is a terminal that relays data in an optical wireless system consisting of an optical wireless transmitter Y, an optical wireless receiver X, and a wireless signal line 10, and transmits the optical signal transmitted from the optical wireless transmitter Y The optical wireless receiver X receives the received data via the wireless signal line 10, and also transfers this data to the central control device 1.

The external interface terminal 8 is a terminal that performs data transmission with the external control device 8a, and the pattern setting terminal 9 transmits pattern control data input from the data input section 9a to the central control device 1. This is the terminal device for the transfer. The monitoring terminal 2 and the control terminal 3 installed in the distribution board 6 or relay control panel 6a have the dimensions agreed upon in the distribution board, and their control output enables the remote control relay for load control. (The latching relay 5 is controlled so that it can be turned on and off using a hand switch.

[Problem to be Solved by the Invention 1] By the way, in the conventional remote monitoring and control system of this type for garden use, it is used for remote monitoring and control of lighting. Also, recently there is a telephone control system that allows you to turn on and off the air conditioner via a telephone line. There is a desire to be able to remotely monitor and control lt using the above-mentioned remote monitoring and control system for lighting.

The present invention has been made in view of the above points, and its object is to provide a remote monitoring and control system that can also remotely monitor and control an air conditioner unit compatible with a telephone control system.

[Means for Solving the Problems 1] In order to achieve the above object, the present invention includes a terminal device whose load is an air conditioner digitalizer compatible with a telephone control system capable of controlling operations using a telephone line.

When installing a terminal device for remote monitoring and control of a near conditioner that is compatible with a telephone control system, the terminal device and the air conditioner must be connected to each other, taking into account that telephone control systems are standardized under the Japan Electrical Manufacturers Association standards. An interface unit compliant with the Japan Electrical Manufacturers Association standards may be provided between the receiver and the switcher.

Furthermore, this inter7ace unit may be built into the terminal.

Further, the telephone control device may be connected to the interface unit in parallel with the terminal device so that the operation of the air conditioner can be controlled by the telephone controller register.

Furthermore, in order to easily set the address of the terminal device, it may be provided with a receiving circuit that receives a signal from a transmitter that performs wireless address setting, and a storage circuit that stores address data.

If the terminal device is to be buried in a construction surface such as a wall, the casing of the terminal device must be sized to allow installation using a mounting frame that embeds standardized ready-made wiring devices in the construction surface. At the same time, it is preferable to form it into a structure that can be attached to the mounting frame.

[Function 1] As described above, the present invention provides remote monitoring and control using a near conditioner compatible with a telephone control system as a load by providing a terminal device whose load is an air conditioner compatible with a telephone control system. It is designed so that it can be incorporated into a system, and the air conditioner can be turned on and off by a remote monitoring and control system.

Note that if an interface unit compliant with the Japan Electrical Manufacturers Association standards is provided between the terminal device and the air conditioner unit, it is possible to comply with the standardization according to the Japan Electrical Manufacturers Association standards.

Furthermore, if the terminal device incorporates the interface unit, there are advantages in terms of cost, construction, etc.

Furthermore, if a telephone control device is connected to the interface unit in parallel with the terminal, the operation of the near conditioner can also be controlled by the telephone control system.

Furthermore, if the above-mentioned terminal device is provided with a receiving circuit that receives a signal from a transmitter that performs wireless 7-address setting, and a memory circuit that stores address data, the address of the terminal device can be set by remote control using the transmitter. can do.

Here, if the casing of the terminal device is formed to a size that allows installation of a standardized off-the-shelf wiring device by embedding it in the construction surface using a mounting frame, and is formed into a structure that can be attached to the mounting frame, the off-the-shelf wiring device can be installed. The terminal device can be buried in the construction surface using a mounting frame that attaches it to the construction surface.

[Example 11 An embodiment of the present invention is shown in FIGS. 1 to 3.

Note that FIG. 1 shows only the portion of the remote monitoring and control system according to the present invention. This remote monitoring and control system includes a terminal device 1o that can control the operation using a telephone line, for example, an air conditioner digital switch compatible with a telephone control system based on JISC9612 regulations, and the operation of this load. A monitoring terminal device 12 that monitors the operating state of the control switch S.
The terminals 10 and 11 are connected in parallel to the signal line 4 along with other monitoring terminals 2 and control terminals 3 (not shown). By the way, the telephone control system has been standardized according to the Japan Electrical Manufacturers Association standards, so taking this into consideration, the interface unit (hereinafter referred to as IFU) 12 and the terminal device 10 are used as near-conditioners. This is the setting.

When controlling the operation of the load using this remote monitoring and control system, switch S is operated. In addition, the terminal device 10
．． 11 and central control! The transmission and reception of open data between the 12 and 1 is performed based on the operation described above, and when the switch SS is operated, signal transmission is performed between the monitoring terminal 11 and the central control device 1, and the central control device 1 load on the terminal device 10.

The terminal device 10 sends control data to operate the FU1
A control signal is sent to the load L5 through the load L5 to operate the load L5. In addition, at this time, the load and the monitor signal are transferred to the IFU.
12 to the terminal device 10, and the terminal device 10 sends back monitoring data corresponding to this monitor signal to the central control device 1.

Figure 2 shows the specific circuit configuration of the terminal device 10 and IFU 12, where IFU 12 has 7 automatic couplers P C1-P.
The photocapacitor PC2 is provided with a photocapacitor PC2, and the terminal device 10 is insulated and separated from the load by the photocoupler PC2. In addition, IFU12 and load L5 are each based on the Japan Electrical Manufacturers Association standard (
Equipped with HA terminal 4 standardized in JEM standard 1427), each control terminal CItC2 is open and monitor terminal M, .
Connect M2 open.

The terminal device 10 transmits and receives signals to and from the central control device 1 and processes the signals, controls the transmission of control signals for controlling the operation of the load L5, processes the reception of monitor signals from the load L5, and performs load control based on the operating status of the load L5. CP that performs signal processing such as operation display processing
A control circuit 13 consisting of a control circuit 13, a power supply circuit 14 that creates an operating power source from the signal line 4, an address setting circuit 15 that sets a unique address, an operation display circuit 16 that displays the operation of the load L5, and sends out control signals. A transmitter circuit 17 receives a monitor signal, and a receiver circuit 18 receives a monitor signal.

That is, when the switch S is operated as shown in FIG. 3(a), the terminal device 10 receives control data via the central controller 1, and at this time, the transmitting circuit 17 sends the control data as shown in FIG. 3(b).
A control signal Vc shown in FIG. 1 is sent to the load controller via the IFU 12 to control the operation of the load controller. Then, the load inputs the monitor signal V- indicating the operating state shown in FIG. 3(e) to I.
It is sent back to the terminal device 10 via the FU 12. The control circuit 13 receives this monitor signal V win via the receiving circuit 18, and
Loaded.

The operation display circuit 16 determines the operating state of FIG. 3(d).
) is displayed, and at the same time the central control i! Monitoring data indicating the load and operating status of 7c is returned to station 1.

In this way, by providing the terminal device 10 which is loaded with a telephone control system compatible near-control system, the telephone control system compatible type machine 7 can be installed.
The conditioner can be integrated into a remote monitoring and control system as a load, and the near conditioner can be controlled on and off by the remote monitoring and control system.

By the way, according to the JEM1427 standard, the control signal Vc has a pulse width Tp of 200 to 300, as shown in FIG. 3(b).
Tsuru S stipulates that the pulse interval Ti (on/off interval of load 2) is at least 200 m5 or more.

When receiving this control signal Vc, the load L5 reverses its operating state and turns on and off. In addition, the response time of the load indicated by T in Figure 3 is 350 m.
It is specified that the number is 5 or less.

By the way, in the above explanation, the IFU 2 is provided separately, but it may be built in the terminal device 10 as shown in FIG. 4. This is advantageous in terms of cost, construction, etc.

Further, as shown in FIG. 5, a telephone control device 19 may be connected to the IFtJ 12 in parallel with the terminal device 10, so that the telephone control system can control the operation of the telephone. However, in this case, the transmitter/receiver circuits 17 and 18 are constructed using 7 Otokabura PCs, , and PCs, respectively, and are electrically isolated from the telephone control system side to avoid system problems. In this case, it is necessary to use the DC power supply device 20 to supply power to the connecting fins connected to the IFU 12 from the outside.

Further, in the terminal device 10 described above, the address setting circuit 15 performs the address setting, but the address of the terminal device 10 may be set by remote operation using a transmitter. In this case, as shown in the specific circuit of FIG. 6, a light receiving circuit 21 is provided to receive an optical signal from an address setting transmitter (not shown), and the address data received by this light receiving circuit 21 is Memory circuit 2
3 should be provided. Here, the memory circuit 23 is composed of a nonvolatile memory (EEPROM). Further, it is preferable that the terminal device 10 is provided with a light projecting circuit 22, as shown in FIG. 6, so that it can be confirmed whether the address data from the transmitter has been reliably received by the terminal device io@.

Furthermore, the casing 25 of the terminal device 10 is attached to a series of standardized ready-made wiring devices so that the terminal device 10 can be buried in the construction surface using the mounting frame 24 for attaching the ready-made wiring device to the construction surface. The casing 25 is formed with a monoyl size (the size of three wiring devices of one module size lined up vertically), and has a locking claw etc. that fits and locks on the mounting frame 24.
It is best to form Incidentally, when the casing 25 is attached to a wall, the operation display element 26 and the light emitting/receiving elements 27 and 28 of the transmitter are exposed from the surface of the casing 25, as shown in FIG.

[Effects of the Invention 1] As described above, the present invention is equipped with a terminal device whose load is an air conditioner display compatible with a telephone control system. The air conditioner can be turned on and off using a remote monitoring and control system.

Note that by providing an interface unit compliant with the Japan Electrical Manufacturers Association standards between the terminal device and the air conditioner, it is possible to comply with the standardization according to the Japan Electrical Manufacturers Association standards.

Furthermore, if the terminal device incorporates the interface unit, there are advantages in terms of cost, construction, etc.

Furthermore, if a telephone control device is connected to the interface unit in parallel with the terminal device, the operation of the air conditioner display can also be controlled by the telephone control system.

Furthermore, if the terminal device is provided with a receiving circuit that receives a signal from a transmitter that performs wireless address setting and a memory circuit that stores address data, the address of the terminal device can be set by remote control using the transmitter. It ends with that.

Here, if the casing of the terminal device is formed to a size that allows installation of a standardized off-the-shelf wiring device by embedding it in the construction surface using a mounting frame, and is formed into a structure that can be attached to the mounting frame, the off-the-shelf wiring device can be installed. The terminal device can be buried in the construction surface using a mounting frame that attaches it to the construction surface.

[Brief explanation of drawings]

Fig. 1 is a system configuration diagram of an embodiment of the present invention, Fig. 2 is a specific circuit diagram of the same as above, Fig. 3 is an explanatory diagram of the same as above, Fig. 4 is a circuit diagram of a terminal device incorporating an interface unit, Figure 5 is a circuit diagram of a terminal device in which the operation of the air conditioner can be controlled by a telephone control system, and Figure 6 is a specific circuit diagram of a terminal device in which address setting can be performed wirelessly. FIG. 7 is an explanatory diagram for installing a terminal, FIG. 8 is a system configuration diagram of a conventional remote monitoring and control system, and FIG. 9 is a signal 7t-mat same as above. 1 is a central control unit, 2, 3.10 is a terminal device, 4 is a signal line, L, ~L is a load, 12 is an interface unit, 19 is a telephone control device, 21 is a light receiving circuit,
23 is a memory circuit, 24 is a mounting frame, and 25 is a casing.

Claims (6)

[Claims] (1) Connect the central control unit and multiple terminal devices with unique addresses via a pair of signal lines, access each terminal device from the central control unit, and time-division multiplex the monitoring data and control data. A remote monitoring and control system that transmits data and is equipped with a terminal device that is loaded with an air conditioner that is compatible with a telephone control system and can control operations using a telephone line. (2) The remote monitoring and control system according to claim 1, further comprising an interface unit compliant with the Japan Electrical Manufacturers Association standard for controlling signal transmission between the terminal device and the air conditioner. (3) The remote monitoring and control system according to claim 2, wherein a terminal device incorporates the interface unit. (4) The remote monitoring and control system according to claim 2, wherein the telephone control device is connected to the interface unit in parallel with the terminal device. (5) The remote monitoring and control system according to claim 1, further comprising a receiving circuit that receives a signal from a transmitter that performs wireless address setting, and a storage circuit that stores address data. (6) Claim 1, wherein the casing of the terminal device is formed to a size that allows it to be attached to a mounting frame by embedding a standardized ready-made wiring device in the construction surface, and is also formed in a structure to be attached to the mounting frame. Remote monitoring and control system as described.