JPH0667015B2 - Central control unit for remote monitoring and control - Google Patents

Description

TECHNICAL FIELD The present invention relates to a central controller for remote monitoring control.

[Prior Art] FIG. 8 shows a schematic configuration of a conventional remote monitoring and controlling system, such as a central controller 1, a monitoring terminal 2 for monitoring the operation switches S _{1 to} S ₄ , and a lighting fixture. Load L ₁
And a control terminal device 3 for controlling the ~L ₄ are connected by a pair of signal lines 4, division multiplex transmission time control data or monitoring data to and from each terminal unit 2 and the central control unit 1, the illumination The loads L _{1 to} L ₄ such as appliances can be remotely controlled from operation switches S _{1 to} S ₄ (for individual control and pattern control) provided at distant positions.

FIG. 9 shows a transmission signal V _s transmitted from the central control unit 1, which includes a start signal ST and a mode data signal M.
D, address data signal AD, control data signal CD
T, a checksum data signal CS, and a return waiting period setting signal WT. The central control unit 1 accesses each of the terminals 2 and 3 and the monitoring terminal 2 switches the switches S _{1 to} S ₄ . together to return the monitoring data, by based on the returned monitoring data to create control data of the load L ₁ ~L _4, and transmits the access control terminal unit 3 of the control data, the load L ₁ ~ It is designed to remotely control L ₄ .

FIG. 10 shows an example of the arrangement of the remote monitoring control system, in which switch monitoring terminals 2a, 2b, 2c in which the operation switch S is integrated are arranged at the important points (distributed to each floor).
In addition, the control terminal 3 is built in the lighting fixture L, the signal line 4 is wired by the feed wiring, and the central control device 1 is installed in the distribution board 30. An external light sensor 31 having a built-in monitoring terminal 3 is disposed near the window, and the output of the external light sensor 31 is returned to the central control device 1 via the signal line 4 so that the lighting fixture L near the window is It is designed to flash according to the external light.

FIG. 11 shows a circuit configuration of the central control unit 1, which includes a signal processing circuit 40, a transmission signal generating circuit 41, a reception signal discriminating circuit 42, a signal transmitting circuit 43, and a signal receiving circuit 4.
4, a step-down transformer 45, and a power supply circuit 46. Here, since the central control device 1 is arranged on the distribution board 30, the case in which the main body of the central control device is housed is set to the distribution board agreement size.

[Problems to be Solved by the Invention] However, in the above-described conventional example, in order to dispose the central control device 1 in which the case size is set to the distribution board agreement size, a distribution board similar to a distribution board is installed. Need a box,
When it is installed in a general house, there is a problem that an appropriate space may not be secured, which makes the construction troublesome.

The present invention has been made in view of the above points, and an object thereof is to provide a central controller for remote monitoring control that can be easily installed even when installed in a general house. .

[Means for Solving the Problem] The present invention is configured to perform time-division multiplex transmission of control data and monitoring data between a plurality of monitoring and controlling terminals connected by a pair of signal lines and each terminal. In the remote control central controller for remote monitoring and control, the case in which the main body of the central controller is housed is set to have three, two, and one module dimensions of standardized wiring equipment for mounting the switch box.

Further, a signal line connection terminal is provided on the back surface of the case, a fitting claw for fitting and attaching to a wiring device mounting frame is provided on the side surface of the case, and a signal line short-circuit indicating lamp is exposed on the front surface of the case.

[Operation] The present invention is configured as described above, and in a central controller for remote monitoring and controlling, which performs time-division multiplex transmission of control data and monitoring data with a plurality of monitoring and controlling terminals. , 3 of standardized wiring equipment for attaching the switch box to the case that houses the central control unit body
Since the module size is set to one, two, and one, the central control unit can be embedded in the wall by using the switch box, and construction can be easily performed even when installing in a general house. ing. Further, by providing the fitting claws that fit into the wiring device mounting frame, the wiring device mounting frame can be more easily embedded and arranged. Furthermore, since the signal line connection terminals are on the back side of the case, it is possible to easily connect the signal line that was previously wired.In addition, the signal line short-circuit indicator lamp is exposed on the case surface, so when the signal line is short-circuited, the external From this, it can be seen that the signal line is short-circuited.

[Embodiment] FIG. 1 and FIG. 2 show an embodiment of the present invention, in which a plurality of monitoring terminals 2 and control terminals 3 are connected by a pair of signal lines 4 and each terminal 2, 3 is connected. In a central controller 1 for remote monitoring control similar to the conventional example in which control data and monitoring data are time-division-multiplexed with a switch box, a case 11 in which a central controller body 10 is housed is attached. It is set to the standardized size of three wiring equipment modules. Here, in the embodiment,
The components constituting the central control device body 10 are separately mounted on two printed circuit boards 15a and 15b, and the case 10 for accommodating the central control device body 10 is formed of a body 11a and a cover 11b. Engagement part 1
4a is engaged with the engaging claw 14b of the cover 11b, and the case 1
1 is assembled, and the printed circuit boards 15a and 15b are fixed to the body 11a and the cover 11b respectively with fixing screws 16
It is attached by a and 16b.

In addition, on the side surface of the case 11 (side surface of the cover 11b),
A fitting claw 13b for fitting and attaching to the fitting portion 13a of the wiring device mounting frame 12 is provided, and the case 11 is fitted and mounted to the wiring device mounting frame 12, and the switch is inserted through the wiring device mounting frame 12. It can be easily attached to the box. The wiring box mounting frame 12 has a switch box mounting hole 2
0, a scissors mounting part 21, and a plate mounting screw hole 22 are provided. In the example, case 1
Projecting pieces 23 and 24 having screw insertion holes 23a and 24a are provided on the side surfaces of the central portion of the body 11a and the cover 11b of No. 1 and the fixing screw 25 inserted into the screw insertion holes 23a and 24a is attached to the wiring device. By screwing into the screw holes 26 provided on the back surface of the frame 12, the body 11a and the cover 11b and the wiring device mounting frame 12 can be securely fixed. In the figure, 27 is a signal line connection terminal,
28 is a power supply line connection terminal block. Also. Case 1
A signal line short-circuit indicating lamp 29 is provided on the front surface of No. 1 and lights up when the signal line 4 is short-circuited to notify that there is a problem in signal transmission.

Now, in this embodiment, the case 11 in which the main body 10 of the central control unit is housed is set to the module size of three standardized wiring accessories for mounting the switch box.
The central control unit 1 can be embedded in a wall by using a switch box, and construction can be easily performed even when installed in a general house.

3 to 5 show another embodiment, in which the case 11 in which the main body 10 of the central control unit is housed is set to have a module size, and other configurations are substantially the same as those of the above embodiment. The printed boards 15a and 15b are fixed to the body 11a with fixing screws 16a and 16b.

6 and 7 show still another embodiment,
The case 11 in which the main body 10 of the central control unit is housed is set to have a module size of one standardized wiring device, and other configurations are substantially the same as those in the above-described embodiment.

[Advantages of the Invention] The present invention is configured as described above, and remote control central control for time-division multiplex transmission of control data and monitoring data between a plurality of monitoring and control terminals. In the equipment, the case in which the main body of the central control unit is stored is a standardized wiring device for mounting the switch box.
Since the module size is set to one, two, and one, the central control unit can be embedded in the wall by using the switch box, and the effect that the construction can be easily performed even when installed in a general house In addition, since the signal line connection terminals are provided on the back of the case and the fitting claws for fitting and attaching to the wiring equipment mounting frame are provided on the side of the case, the mounting on the mounting frame can be done easily, and as a result, to the switch box. Mounting is as simple as that of general embedded wiring equipment, and since the signal line connection terminals are on the back side of the case, it is possible to easily connect the signal line that was previously wired. Since the display lamp is exposed, there is an effect that it can be seen from the outside that the signal line is short-circuited when the signal line is short-circuited.

[Brief description of drawings]

FIG. 1 is a perspective view of an embodiment of the present invention, FIG. 2 is an exploded perspective view of the same as above, FIG. 3 is a perspective view of another embodiment, FIG. 4 is an exploded perspective view of the same as above, and FIG. FIG. 6 is a perspective view of still another embodiment, FIG. 7 is an exploded perspective view of the same as above, FIG. 8 is a schematic configuration diagram of a conventional remote monitoring control system, and FIG. FIG. 10 and FIG. 10 are explanatory views showing an arrangement example of the above, and FIG. 11 is a circuit diagram of a central controller for remote monitoring control. 1 is a central control device, 2 is a monitoring terminal device, 3 is a control terminal device, 4 is a signal line, 10 is a central control device body, 11 is a case, and 12 is a mounting frame.

Claims (3)

[Claims] 1. A central controller for remote supervisory control, which is connected to a plurality of supervisory and control terminals by a pair of signal lines to transmit control data and supervisory data to and from each terminal by time division multiplexing. In the case, the case where the main body of the central control unit is housed is set to the module size of three standardized wiring accessories for mounting the switch box, the signal line connection terminals are provided on the back surface of the casing, and the wiring equipment mounting frame is provided on the side surface of the casing. A central control device for remote monitoring control, wherein a fitting claw for fitting and mounting is provided on the case, and a signal line short-circuit display lamp is exposed on the surface of the case. 2. A central controller for remote supervisory control, which is connected to a plurality of supervisory and control terminals by a pair of signal lines to transmit control data and supervisory data to and from each terminal by time division multiplexing. In the case, the case where the main body of the central control unit is housed is set to the module size of two standardized wiring fittings for mounting the switch box, the signal line connection terminals are provided on the back surface of the case, and the wiring fitting mounting frame is provided on the side surface of the case. A central control device for remote monitoring control, wherein a fitting claw for fitting and mounting is provided on the case, and a signal line short-circuit display lamp is exposed on the surface of the case. 3. A central controller for remote supervisory control, which is connected to a plurality of supervisory and control terminals by a pair of signal lines to transmit control data and supervisory data to and from each terminal by time division multiplexing. In, the case where the main body of the central control unit is stored is set to the module size of one standardized wiring device for mounting the switch box, the signal line connection terminal is provided on the back side of the case, and the wiring device mounting frame is on the side surface of the case. A central control device for remote monitoring control, wherein a fitting claw for fitting and mounting is provided on the case, and a signal line short-circuit display lamp is exposed on the surface of the case.