JPH0617412Y2 - Operation switch device for remote control system - Google Patents

Description

TECHNICAL FIELD The present invention relates to an operation switch device for a remote control system.

[Background Art] In a remote control system for remotely controlling a load using time division multiplex transmission, there is a problem that a conventional operation switch device for operating a load has a small push button and is difficult to operate. There is a problem in that it looks unnatural when it is installed together with a switch device of general wiring equipment that gives a high-class feeling by using the operation handle in a shape.

[Object of the Invention] The present invention has been made in view of the above problems, and its purpose is to use a large flat plate-shaped operation handle for easy operation and a high-grade general wiring. Another object of the present invention is to provide an operation switch device for a remote control system that does not give a strange feeling even when it is installed together with a switch device of an instrument.

DISCLOSURE OF THE INVENTION The present invention is connected to a central control unit through a pair of signal lines, transmits switch operation data to the central control unit, and transmits control data of a corresponding load control terminal from the central control unit. In a remote monitoring control system operation switch device that transmits a transmission signal to a load control terminal device via a signal line, a switch main body including a circuit part and a push-on / push-off type switch part and a mounting frame are internally provided. Then
A plate for fixing the switch body to the mounting frame by fitting the protrusion formed on the surface of the switch body from the back into the window hole of the mounting frame, and exposed to the surface of the protrusion so that it can swing freely to both sides. A middle handle that is exposed on the surface of the protrusion and pushes the switch portion in the switch body to turn it on and off by swinging, and a flat plate-like shape that is housed in an opening window opened on the surface of the plate and coupled to the middle handle. A large-sized operation handle and a load-state display light-emitting element that is exposed on the surface of the switch body and faces the load-state display window formed on the operation handle. The feature is that an operation handle can be realized, and even if it is installed together with a switch device for general wiring equipment using the same operation handle, it does not give a strange feeling.

FIG. 1 is a diagram showing a configuration example of a remote monitoring and controlling system according to the present invention, in which a central control unit 1 and a plurality of monitoring terminals 2 and control terminals 3 each having a unique address are paired. As shown in FIG. 2 (a), the transmission signal V _S connected to the signal line 4 and transmitted from the central control unit 1 to the signal line 4 is a start pulse signal S indicating the start of signal transmission.
T, a mode data signal MD indicating a signal mode, an address data signal AD for calling the terminals 2 and 3, loads L ₁ , L ₂ ,
A multi-pole (± 24) composed of a control data signal CD for controlling L ₃₁ , L _32, ..., a checksum data signal CS, and a return standby signal WT for setting a return signal period from the terminals 2 and 3.
V) is a time division multiplexed signal, and data is transmitted by pulse width modulation. In each of the terminals 2 and 3, when the address data of the transmission signal V _S received via the signal line 4 and its own unique address data match, the control data of the transmission signal V _S is taken in and the transmission signal V _S is received. _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 the return standby signal WT of _S. Further, the central control unit 1 has a dummy transmission signal V in which the mode data signal MD is set to the dummy mode.
_When a dummy signal transmitting means for constantly transmitting _S and an interrupt signal V _i as shown in FIG. 2 (b) returned from one of the monitoring terminals 2 are received, the interrupt generating terminal 2
And an interrupt processing means for detecting the error, accessing the terminal device 2 and returning the monitoring data. On the other hand, when the monitoring terminal 2 receives a monitoring input by operating the switches S ₁ , S ₂₁ , S ₂₃ , S ₃₁ ... S _3n, it synchronizes with the start pulse signal ST of the dummy transmission signal V _S. And an interrupt generation means for generating an interrupt signal V _i, and returning its own unique address data in synchronization with a return standby signal WT of the transmission signal V _{S in} the address confirmation mode from the central control device 1, and a central control device. Data return means for returning the monitoring data corresponding to the monitoring input when the transmission signal V _S in the interrupt access mode in response to the interrupt is transmitted from 1. Further, in the central controller 1,
Based on the monitoring data returned from the monitoring terminal device 2 to the central control device 1, the control data to be transmitted to the control terminal device 3 is created, and is also transmitted to the control terminal device 3 to load the data.
It is designed to control L ₁ , L ₂ , L ₃₁ , L ₃₂ .... The control terminal 3 arranged in the distribution board 6 or the relay control board 6a has a contracted size according to the distribution board, and the control output thereof causes a remote control relay for load control (also turned on by a hand switch). , The latching relay 5 that can be turned off is controlled.

FIG. 3 shows a circuit configuration of the monitoring terminal device 2, in which the control terminal device 2 transmits the transmission signal V transmitted via the signal line 4.
A power supply circuit 7 forming a circuit power supply from _S and a transmission signal V _S
A signal processing circuit 8 for receiving and processing the received signal and forming and transmitting a return signal V _B , an address setting unit 9 for setting a unique address, a load number setting unit 10 for selecting a bit of control data, Light emitting element 11 for displaying load status
The signal processing circuit 8 detects a match between the address data of the transmission signal V _S and the unique address, and the address is formed by the drive circuit 12 that drives a and 11 b and the monitor circuit 13 that monitors the switch S. When the coincidence is detected, the control data is fetched and the control output V _C is formed based on a predetermined control bit to form the load state display light emitting elements 11a and 11b.
Further, the switch operation data based on the operation monitoring input of the switch S input via the monitoring circuit 13 is returned to the central control unit 1 by the current mode return signal V _B as the return monitoring data. ing. For setting the unique addresses of the monitoring terminal device 2 and the control terminal device 3, the lower 6 bits of the address data of 8 bits are usually set by the user as a user setting unit, and the upper 2 bits are set. It is a manufacturer setting section that indicates the type of terminal device (for monitoring and control), and the user setting parts for the unique addresses of the monitoring and control terminals 2 and 3 can be set to the same value for both terminals 2 and 3. The load connected to the control terminal 3 can be controlled based on the monitor data returned from the monitor terminal 2 set to the same value.

Here, the operation switch device for the remote control system of the present invention comprises the switch S and the monitoring terminal 2, and is made of a synthetic resin molded product, and the wiring device module has dimensions of 1.
The terminal unit 2 is provided in the switch body 16 that employs 5 modules.
And a switch S are built in. The switch body 16 is composed of a body 16a and a cover 16b, and the printed wiring boards 14a and 14b in which the circuit section and the switch S are arranged are housed in the body 16a. Both printed wiring boards 14a and 14b are connected to a flat cable 15 to connect the circuits of both printed wiring boards 14a and 14b. When the printed wiring boards 14a and 14b are housed in the body 16, the lower printed wiring board 14a is It is placed on the rib 18 in the body 16, and the upper printed wiring board 14b is placed on the rib 18 '.

The body 16a is integrally formed with a terminal block 23 provided with a pair of connection terminal fittings 17 for connecting the signal line 4 on the bottom surface of the body 16a.
Insert the mold tip 17a from the hole 39 on the bottom of the body 16 into the body 16
It is inserted inside and is connected to the hole 19 formed in the lower printed wiring board 14a, fixed by soldering or the like and electrically connected to the circuit portion, and the signal line 4 is connected by the terminal screw 17A. It is like this. Further, as shown in FIG. 5, on the bottom of the body 16a, the operation unit of the 8-bit bit switch and the load number setting unit 10 constituting the address setting unit 9 attached to the lower surface of the lower printed wiring board 14a.
Square holes 20a and 20b for exposing the operation portions of the 2-bit bit switches constituting the above are exposed. The square hole 20a is formed to have a size to expose the operation portion corresponding to the lower 6 bits of the address data described above, but the operation portion for the remaining 2 bits is covered.
It is also possible to form the V groove 21 around the bottom portion 22 of a and set the address data to be 8 bits by setting the portion 22 by pressing and breaking it.

The upper printed wiring board 14b has two push-on and push-off type switches S connected in parallel on the upper surface thereof, and load-state display light emitting elements 11a and 11b arranged in parallel.

On the other hand, the body 16b has a protrusion 24 formed at the center thereof, and the surface of the protrusion 24 has the light emitting element 11 for displaying the load state.
Small holes 28a and 28b for exposing the heads of a and 11b are bored, and the middle handle 25 for pushing the push button of the switch S is swingably supported on both sides to support the middle handle 25. A window 26 having an exposed tip is opened.

Thus, the cover 16b is attached to the upper opening of the body 16a and fixed to the mounting frame 28 together with the body 16a by the mounting screw 36. That is, the mounting screw 36 is inserted through the insertion holes 27 formed on both sides of the body 16a and the insertion holes 35 formed on both sides of the cover 16b, and in this state, the protrusion 24 is inserted into the window hole 29 of the mounting frame 28. The mounting screw 28 is screwed into the screw holes 30 that are fitted from the back side and are drilled on both sides of the mounting frame 28, and are fixed by tightening.

The mounting frame 28 is made of a metal plate and is internally fixed in the opening window 32 of the decorative plate 31 of the decorative plate 31,
It is fixed to the opening of the embedded box or wall panel with screws or mounting brackets like ordinary wiring equipment.

After fixing the switch body 16 to the mounting frame 28,
A flat plate-shaped operation handle 33, which is slightly smaller than the opening area of the opening window 32, is fitted into the opening window 32 of the decorative plate 31, and the intermediate handle 25 is inserted into the coupling recess 41 provided on the back surface of the operation handle 33 as shown in FIG. The tip of the connecting spring 4
The switch device of the present invention is completed by connecting them using 0.

Here, the back surfaces of both ends of the operation handle 33 are supported by the projecting portions 28a at both ends of the mounting frame 28, and by swinging in either direction on both sides, the middle handle 25 is swung, and the middle handle 25 in the swinging direction. Switch S corresponding to the back of the
The push button can be pushed to turn it on or off. Since the two switches S are connected in parallel, the switch operation data can be given to the monitoring circuit 13 by moving the operation handle 33 in either direction. The 7th
Reference numeral 44 in the drawing denotes a support metal fitting for supporting the middle handle 25, which is fixed to the body 16. Reference numeral 43 denotes a support portion of the middle handle 25, which is swingably supported on a support fitting 44. Further, 45 is a return spring of the middle handle 44.

When the operation state of the target load L is changed by the operation, the control data corresponding to this change is transmitted from the central monitoring device 6, and the load state display light emitting element 11a or 11b is turned on to determine whether the load L is in the ON state. It can be displayed whether or not it is in the off state, and the display can be visually confirmed through the lens portion of the load state display window 34 that is perforated in the operation handle 33.

In the above embodiment, one switch device is provided, but since the mounting frame 28 corresponds to three modules, even if two switch devices are mounted as shown in FIG. Good, in this case, the operation handle 33 is half the size of the above embodiment, but the operability is not inferior to that of the above embodiment. Further, in this case, since each switch device is completely independent, it is possible to set different addresses, and the corresponding control load can be easily changed.

[Effects of the Invention] As described above, the present invention has a switch main body having a built-in circuit portion and a push-on / push-off type switch portion, and a mounting frame, and the above switch from behind in a window hole of the mounting frame. A plate that fits the protrusion formed on the surface of the main body to fix the switch body to the mounting frame, and is exposed to the surface of the protrusion, and is exposed to the surface of the protrusion so that it can swing to both sides. Since it consists of a middle handle that pushes the switch in the switch body to turn it on and off and a flat operation handle that is housed in an opening window opened on the surface of the plate and joined to the middle handle, Push-on and push-off can be performed with the operation handle, and even if it is installed side by side with general wiring equipment that uses a large-sized operation handle, it does not give a sense of discomfort and gives a high-class feeling. Since the handle is large, it has the effect of making it easier to operate, and it is exposed on the surface of the switch body.
Since the load state display light emitting element facing the load state display window formed on the operation handle is provided, the operation state of the corresponding load can be visually confirmed from the surface of the operation handle even if the operation handle is large. .

[Brief description of drawings]

FIG. 1 is a schematic configuration diagram of a remote control system according to the present invention,
FIG. 2 is a diagram for explaining the operation of the above, and FIG. 3 is a first embodiment of the present invention.
FIG. 4 is an exploded perspective view of the same as the above, FIG. 5 is a perspective view of the body of the same as above, FIGS. 6 and 7 are explanatory views of main parts of the same as above, and FIG. 8 is an embodiment of the present invention. 2 is an exploded perspective view of FIG. DESCRIPTION OF SYMBOLS 1 ... Central control device, 2 ... Monitoring terminal device, 2 ... Control terminal device, 4 ... Signal line, 11a, 11b ... Load state display light emitting element, 16 ... Switch main body, 28 ... Mounting frame, 29 ... Window hole , 31 ... decorative plate, 32 ... open window, 33 ... operation handle, 34 ... load state display window, S ... switch.

Claims (1)

[Scope of utility model registration request] 1. A central control unit is connected via a pair of signal lines, switch operation data is transmitted to the central control unit, and control data of a corresponding load control terminal device is transmitted from the central control unit to the load control unit. In the operation switch device for remote monitoring and control system that transmits the signal to the terminal device through the signal line, the switch body with the built-in circuit part and the push-on / push-off type switch part and the mounting frame are built in and mounted. A plate for fixing the switch body to the mounting frame by fitting the protrusion formed on the surface of the switch body from the back into the window hole of the frame, and the plate exposed on the surface of the protrusion and swingable to both sides. It is exposed on the surface of the protrusion, and when it swings, it pushes the switch in the switch body to turn it on and off. A plate-shaped operating handle that is, exposed to the switch body surface, remote control for the system operation switch device comprising a load status display light emitting element facing the load condition display window formed in the operating handle.