JPH03128594A - Terminal for remote control - Google Patents

Abstract

PURPOSE:To easily bury and arrange a terminal in a wall surface by forming a terminal case to standardized dimensions of wiring accessories and forming an attaching frame for burying and arrangement integrally with the terminal case. CONSTITUTION:A terminal case 20 is formed to standardized dimensions (double module dimensions) of wiring appliance and consists of a box-shaped case main body 20a opened to the front and a cover 20b where an attaching piece 21 is formed integrally and can be assembled with screws 22. The attaching piece 21 is provided with an attaching hole 21a for wiring box, an attaching hole 21b for direct attachment to wall, an attaching hole 21c for L-shaped clipping metal fittings, and a tapped hole 21d for attachment of face cover and can be buried and arranged. The figure shows the case that the attaching hole 21a for wiring box is used to attach the case to a double wiring box 25 by box screws 26.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a remote control terminal device that performs load control by receiving time-division multiplexed transmission signals from a central control device.

[Prior Art] FIG. 18 shows a schematic configuration of a remote monitoring and control system using a remote control terminal according to the present invention.
A plurality of monitoring terminals 2 that monitor S 4, a load L l
A control terminal 3 for controlling ""-L-, a wireless relay terminal 7, an external interface terminal 8, and a pattern setting terminal 9 are connected by a pair of signals a4, and the central control device 1 As shown in FIG. 19(a), the transmission signal Vs sent to the signal line 4 from the terminal device 2, 3, . 8 calling 7-9
The address data signal AD transmits the bit address data, the control data signal CD transmits the control data to load and control 1 to L4, the checksum data signal C8, and the return period from the terminals 2.3.7 to 9. This is a bipolar <±24V> time division multiplexed signal consisting of the return standby signal WT to be set, and data is transmitted by pulse width modulation.

When the address data of the transmission signal Vs received via the signal line 4 and its own unique address data match, each terminal device 2, 3.7 to 9 captures the control data of the transmission signal Vs, and Return waiting signal W of signal Vs
The monitoring data signal is sent back as a current mode signal (a signal sent by short-circuiting the signal lines 4 via an appropriate low impedance) in synchronization with T. In addition, the central controller 1 , a dummy signal transmitting means that always sends out a dummy transmission signal with the mode data signal MD in a dummy mode, any of the monitoring terminal 2 or the wireless relay terminal 7, the external interface terminal 8, and the pattern setting terminal 9. When the interrupt signal Vi shown in FIG. 19(b) returned from In addition, the central control device 1 is provided with an interrupt processing means for sending back the information.Furthermore, the central control device 1 is provided with the monitoring terminal 2 or the wireless relay terminal 7, the external interface terminal 8, and the pattern setting terminal 9 as described above. Based on the monitoring data sent back to the central control device 1 from The loads L1 to L are controlled by time-division multiplex transmission to the terminal device 3.

The wireless relay terminal device 7 is a terminal device that relays data of an optical wireless system consisting of an optical wireless transmitter Y, an optical wireless receiver is received by the optical wireless receiver X, the received data is received via the wireless signal line 4a, and this data is transferred to the central control unit l.

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. This is a terminal device that transfers data to 1. 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. (Also turned on by hand switch,
A latching relay (5) that can be turned off is controlled.

By the way, conventionally, the control terminal device 3 has been built into an electrical device that is a load (for example, a lighting fixture), or has been arranged within the distribution board 6.

[Problems to be Solved by the Invention] However, in the above-mentioned conventional example, since the terminal case was formed to be used to embed equipment or to be installed in a distribution board, there was a problem that it could not be embedded in the wall. The present invention has been made in view of the above points, and its object is to provide a remote control terminal that can be easily embedded in a wall surface.

[Means for Solving the Problems] A remote control terminal device of the present invention receives transmission signals including data such as address data and control data sent from a central control device via a pair of signal lines, and transmits the signals. A signal processing circuit for processing, an address setting section for setting a unique address, and a load control relay are housed in a terminal case, and the received address data and the unique address are compared, and when the addresses match, the control data of the transmission signal is set. In a remote control terminal device that has a signal processing circuit configured to take in data to control a load control relay and send back monitoring data indicating the operating status of the load control relay to a central control device, the above terminal device coos is used. It is formed to the standardized dimensions of a wiring device, and a mounting frame for embedded mounting is integrally formed with the terminal case.

Further, in the second aspect of the invention, the address setting section is an EEPROM.
In addition, data writing means is provided for writing a unique address into the EEPROM using a signal from an optical wireless data setter.

[Function] The present invention is configured as described above, and is a remote control terminal that receives time-division multiplexed transmission signals from a central control device and performs switch monitoring, load control, etc. Since the case is formed to have standardized dimensions for wiring devices, and the mounting frame for embedded mounting is integrally formed with the terminal case, it can be easily embedded in a wall surface.

Furthermore, if the address setting section is formed of an EEFROM and a data writing means for writing the unique address into the EEFROM using a signal from an optical wireless data setting device is provided, the unique address can be easily set and changed. is now possible.

[Embodiment] FIG. 1 shows an embodiment of a control terminal 3 for controlling loads L1 to L, which includes a signal processing circuit 10 made of a microcomputer, an address setting section 11 formed of an EEPROM, , an optical signal receiving section 12 consisting of a photodiode PD and transistors Qs and Q@, an optical signal transmitting section 13 consisting of a light emitting diode LD and a transistor Q4, a Zener diode ZD and a transistor Q
2, a return circuit 15 including a resistor R and a transistor Q3, and a reset circuit 16. Here, the transmission signal Vs transmitted via the signal line 4 is rectified by the diode bridge DB, and is inputted to the signal input terminal of the signal processing circuit 10 via the transistor Q, and includes the signal processing circuit 10. Circuit power for each terminal circuit is supplied via a power supply circuit 14 that makes the rectified voltage of the transmission signal Vs constant. In addition, the signal processing circuit 10 determines whether the unique address data set in the address setting section 11 matches the address data of the received transmission signal Vs, and determines the control data to be transmitted subsequently when the addresses match. Load control relay R via drive transistors Q~Q+t
Controls y + ~ Ry 4, main relay contact ra + ~ ra
4, it controls the load L I" L 4, checks the states of auxiliary relay contacts rb and -rb, forms monitoring data, and sends the monitoring data from the return circuit r5 to a current mode signal (between signal lines 4 and 4). A low resistance resistor R is inserted, and a return signal Vs to be sent back to the central control device 1 is sent to the signal line 4.

Note that the hand control switch SW is a switch for forcibly turning on or forcibly turning off the load L4 regardless of remote control.

On the other hand, writing of data to the EEPROM constituting the address setting section 11 is performed by the signal processing circuit 10, and the data to be written is processed by signal processing of the signal received by the optical signal receiving section 12. formed and the second
Predetermined 32-bit data as shown in the figure is written. Here, the signal received by the optical signal receiving section 12 is as follows:
This is an optical wireless signal transmitted from a data setting device (not shown), and a response signal such as a received N acknowledgment signal is transmitted from the optical signal transmitting unit 13 as an optical wireless signal, and the monitoring terminal 2 and the data setting device Data can now be reliably transmitted wirelessly between

3 and 4 show the structure and layout of an embodiment of the present invention, in which the terminal case 20 is formed to the standardized dimensions (dual module dimensions) of a wiring device, and is The open box-shaped case body 20a and the mounting piece 21
and a cover 20b integrally formed, and can be assembled using screws 22. The above mounting piece 21 has a wiring box mounting hole 21a, a mounting hole 21b for direct wall mounting, and a single-shaped scissor fitting mounting hole 21.
c and a screw hole 21d for attaching the decorative cover, so that it can be embedded. In the case of FIG. 3, a case is shown in which the wiring box 25 for 2-mine is attached to the wiring box 25 using the wiring box mounting hole 21a with box screws 26, and the decorative plate 27 covered on the front side is shown.
is screwed into the screw hole 21d.

Further, a signal processing circuit 10 consisting of a microcomputer
, the address setting section 11 consisting of an EEPROM, the load control relays Ry + to Ry 4, the photodiode PD and light emitting diode LD for transmitting and receiving optical wireless signals, and the confirmation light emitting diode LDc are integrated on one printed circuit board. 30, this printed circuit board 30 is housed in the terminal case 20, and the printed circuit board 30 is mounted on the terminal case 2.
0, that is, on the cover 20b, there is a light emitting diode L.
D, photodiode PD, confirmation light emitting diode LD
Openings 31a, 31b, and 31c are provided corresponding to the openings 31a, 31b, and 31c, and a protruding opening 32 is provided for protruding the operating portion of the hand control switch SW that forcibly turns on and off the load.

The operation of the embodiment will be described below. Now, the terminal case 20 of the control terminal 3 has standardized dimensions (
Since the mounting frame 21 is integrally formed in the terminal case 20, when installing it embedded in the wall surface, as shown in Fig. 3, This can be easily done using the wiring box (switch box) 25. In addition, the embedded cast on the wall is
Needless to say, for direct mounting on the wall, it may be directly fixed to the wall using screws using the mounting holes 21b, or it may be fixed with scissors using the mounting holes 21c for scissors.

Figure 5 shows switches S and -S in the triple wiring box.
, a monitoring terminal 2 that monitors , and the above-mentioned control terminal 3
The monitoring terminal 2 is provided with light emitting diodes LDa and LDb corresponding to each switch 81 to S to display the load operating state.

On the other hand, in the embodiment, the address setting unit 11 is an EEPROM
The data (32 bits) written to this EEPROM consists of 4-bit page data, 4-bit upper address data, and 4-bit upper address data, as shown in FIG.
These are lower address data of 4 bits, load number data of 4 bits, identification data of 8 bits, reply data A of 4 bits, and reply data B of 4 bits, and are sent to the signal processing circuit 10.
It is possible to write and read data as needed. In other words, if the unique address, terminal type, control method, or monitoring method is changed during system construction or when changing the load or switch layout, the data setter can be used to set the specified data. When the settings are made and an optical wireless signal is transmitted, this optical wireless signal is received by the optical signal receiving section 12, and the data processed by the signal processing circuit 10 is sent to the address setting section 1.
1 EEPROM. In this case, EEPR
Since the OM saves data even in a power outage, there is no need for a backup power source, and since the data can be electrically rewritten, unique addresses can be easily set and changed.

6 and 7, the terminal case 20 has the standardized dimensions of a single module of wiring equipment, so that one load can be controlled, and the other TF4 commands are the same as in the previous embodiment. It is. Note that a quick-connect terminal block 28 is mounted on the printed circuit board [30. Further, FIG. 8 shows a case where the monitoring terminal 2 and the control terminal 3 are installed together in a dual wiring box.

FIGS. 9 to 15 show still other embodiments,
The terminal case 20 has a fitting part 40 fitted on the side surface of the mounting frame 21° made of gold R, and an engaging protrusion 41 engaged with the mounting frame (not shown) made of synthetic resin. The fitting portion 41 is connected to the fitting portions 42 and 43 of the metal mounting frame 21°.
The mounting frame 21' is fitted to the terminal case 20 to integrally attach the mounting frame 21' to the terminal case 20. It goes without saying that it is also possible to attach to a wiring box (switch box) via a synthetic resin attachment frame using the engagement protrusion 41 of the terminal case 2o.

In addition, a load connection terminal T I-T-1 power supply terminal T provided on the back surface of the terminal device case 20, and a sending power supply terminal T,
are connecting terminals 29a to 2 that can connect the power line with one touch.
9c, as shown in FIGS. 11(b) and 11(c), a terminal plate 46, a locking spring 47, and a release button 48 are housed in the terminal body 45, and the tapping screw 48 is attached to the printed circuit board 30. The terminal board 46 is soldered to the printed circuit board 30, which makes it easier to wire the power supply line, requires less space, and prevents live parts from being exposed. ing. Note that the signal line connection terminal 28 is a screw terminal.

In addition, the exposure holes 37a and 37b for the operation buttons of the hand control switches SWa and SWb are provided in the bottom of a recess 36 formed in the upper front surface of the cover 20b, so that they can be operated at hand by pushing them with a screwdriver or the like. , the load can be forcibly operated regardless of remote control during construction or maintenance inspection, and furthermore, it prevents careless operation. Note that FIG. 13 and FIG. 14 show the circuit configuration, and the circuit is approximately the same as that of the above embodiment. In the figure, 17a is a relay drive circuit, 17b is a status monitoring circuit, 18 is an operating section consisting of hand control switches SWa and SWb, 19 is a confirmation display section consisting of a light emitting diode LDc, It is an inverter circuit. Also,
FIG. 15 is an explanatory diagram showing the distribution state, in which each control terminal 3 installed in the wiring box can control loads L1 to L4 such as lighting fixtures installed on the ceiling. I have to. Further, 2' is a centralized selector switch terminal which is formed by combining a plurality of switch monitoring terminals 2 and performs centralized control of loads or setting of pattern control data.

16 and 17 show still another embodiment, in which a filter 33 is provided across the transmitting opening 31a and the receiving opening 31b, and the filter 33 is arranged so as not to protrude from the surface of the cover 20b. A recess 34 is provided. Further, a light shielding rib 35 is provided in the center of the recess 34 to prevent the optical wireless signal transmitted from the light emitting diode LD from entering the photodiode PD.

[Effects of the Invention] The present invention is configured as described above, and is a remote control terminal that receives time-division multiplexed transmission signals from a central control device and performs switch monitoring, load control, etc. Since the device case is formed to the standardized dimensions of the wiring device, and the mounting frame for embedded installation is integrally formed with the terminal device case, there is an effect that it can be easily embedded in the wall surface.

In addition, if the address setting section is formed of an EEPROM and a data writing means is provided for writing the unique address into the EEFROM using a signal from an optical wireless data setting device, setting and changing the unique address can be facilitated. The effect is that it can be done.

[Brief explanation of the drawing]

Fig. 1 is a circuit diagram of an embodiment of the present invention, Fig. 2 is an explanatory diagram of the same operation as above, Fig. 3 is an exploded perspective view of an embodiment of the present invention, Fig. 4 is a front view of the same as above, and Fig. 5 is Fig. 6 is an exploded perspective view of another embodiment; Fig. 7 is a front view of the same; Fig. 8 is a case in which the above monitoring terminal is also installed. 9 is an exploded perspective view of another embodiment, FIG. 10(a) is a front view of the same, and 10th [! 1if(
b) is a side view of the same as above, FIG. 10(c) is a back view of the same as above,
Figure 10(d) is a bottom view of the same as above, Figure 11(a) (b)
) (c) is a cross-sectional view of the same essential parts as above, FIG. 12 is an exploded perspective view of essential parts as above, FIG. 13 is a block circuit diagram of same as above, and
The figure is a specific circuit diagram of the same as the above, FIG. 15 is an explanatory diagram showing the arrangement state of the same as the above, and FIG. 16 is a sectional view of the main part of another embodiment.
171st! I is an exploded perspective view of the same essential parts as above, FIG. 18 is a schematic configuration diagram of the remote monitoring and control system according to the present invention, and FIG. 19 is an explanatory diagram of the operation of the same. 1 is a central control unit, 2 is a monitoring terminal, 3 is a control terminal, 4 is a signal line, 10 is a signal processing circuit, 11 is an address setting section, 20 is a terminal case, 21° 21° is a mounting frame be.

Claims (2)

[Claims] (1) A signal processing circuit that receives transmission signals including data such as address data and control data sent from a central control unit via a pair of signal lines and processes the signals; and an address setting section that sets a unique address. The load control relay is housed in the terminal case, and the received address data is compared with the unique address, and when the addresses match, the control data of the transmission signal is taken in to control the load control relay and sent to the central control unit. In a remote control terminal device in which a signal processing circuit is formed to return monitoring data indicating the operating status of a load control relay, the terminal case is formed to the standardized dimensions of a wiring device, and is mounted for embedded installation. A remote control terminal characterized in that a frame is integrally formed with the terminal case. (2) The remote control according to claim 1, characterized in that the address setting section is formed of an EEPROM, and data writing means for writing the unique address into the EEPROM using a signal from an optical wireless data setting device is provided. terminal device.