JPH11150772A - Operation terminal equipment for remote supervisory control system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide operation terminal equipment for a remote supervisory control system where revision of an address and a function of the terminal equipment is easily made, and a signal entry section of a signal transmission reception means is always protected. SOLUTION: A housing 40 whose size covers one module contains a printed circuit board 47 on which a switch SW1 a light emitting diode LD1 of an optical wireless transmission reception circuit 32, and a photo diode PD1 or the like are mounted. A handle hole 49 to expose a handle 48 of the switch SW1 is made to an upper side of the housing 40 and a filter 52 is mounted on the upper face, a transmission reception window 50 or the like being a signal input output section for transmission and reception of an optical wireless signal by the light emitting diode LD1 and the photo diode PD1 is formed and a decoration cover 55 is mounted.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an operation terminal of a remote monitoring control system for remotely controlling loads such as lighting.

[0002]

2. Description of the Related Art FIG.
5 is shown. In this remote monitoring and control system,
The central controller 1 and a switch S in which a unique address is set
₁~ S _FourMonitoring terminals that monitor the operation status of
2. Load L₁~ L_FourControl
Control terminal 3, wireless relay terminal 7, external
Interface terminal 8 and pattern setting terminal 9
They are connected by a pair of signal lines 4.

As shown in FIG. 6, a transmission signal V _S transmitted from the central controller 1 to a signal line 4 includes a start pulse ST indicating the start of signal transmission, mode data MD indicating a signal mode, and a terminal 2 to be accessed. , the address data AD indicating the address of 3,7～9, control data CD indicating the control content for controlling the load L ₁ ~L _4, checksum data CS
And a pulse width modulated multi-pole (± 24V) time-division multiplexed signal (shown in FIG. 6 (a)) composed of a return wait signal WT for setting a return wait period from the terminals 2, 3, 7 to 9. Transmitted.

[0004] When the respective terminal unit 2,3,7～9, where the unique address of the address data AD and the own transmission signals V _S which is received via the signal line 4 match, the transmission signal V
The control data CD of _S is taken in and the transmission signal V _S
The monitor data signal is returned to the central control unit 1 by a current mode return signal obtained by connecting an appropriate low resistance between the signal lines 4 in synchronization with the return standby signal WT.

Here, the central control unit 1 is shown in FIG. 6B returned from one of the operation terminals 2 or the wireless relay terminal 7, the external interface terminal 8, and the pattern setting terminal 9. When such an interrupt signal Vi is received, after polling for detecting the addresses of the interrupt generating terminals 2, 7 to 9, the terminals 2, 7 to 9 having the detected addresses are accessed. An interrupt processing means for returning the monitoring data by the monitoring means is provided. Further, the central control unit 1 accesses the operation terminal 2 or the wireless relay terminal 7, the external interface terminal 8, and the pattern setting terminal 9 as described above, and the monitoring data returned to the central control unit 1. corresponding load L ₁ ~L ₄ with creating a control data CD to be transmitted to the control terminal unit 3 for controlling, with the control terminal unit via the signal line 4 by the transmission signal Vs the control data CD based on the 3 time-division multiplexes transmission to control the load L ₁ ~L _4.

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

The external interface terminal 8 is
The pattern setting terminal 9 is a terminal that performs data transmission with the external control device 8a, and transfers the pattern control data input from the data input unit 9a to the central control device 1.

In this type of remote monitoring and control system, the central control unit 1 is disposed on a distribution board 6, and a control terminal 3 is provided in a control panel 6a provided on each floor of the building.
(And, if necessary, monitoring terminals such as sensors)
A branch signal line 4 'branched from the signal line 4 is wired to the control terminal 3 in the control panel 6a.

The monitoring of the operation switches S _{1 to} S ₄ arranged on each floor and the control of the loads L _{1 to} L ₄ are performed via the central controller 1. The control terminal 3 (and the monitoring terminal) disposed in the distribution board 6 or the control panel 6a is formed to have a standardized size of the electrical board.
In addition, a remote control relay for load control (which can be turned on and off by a hand switch) 5 is controlled by the control output of the control terminal 3.

[0010]

The terminal used in the above-described remote monitoring and control system has conventionally been configured to set an individual address using a dip switch. However, it is not possible to change the setting of the function of the terminal. Could not. In addition, since the DIP switch is used, the operation of changing the setting is very troublesome.

SUMMARY OF THE INVENTION The present invention has been made in view of the above points, and an object of the present invention is to make it possible to use it by embedding and arranging it with a mounting frame like a general wiring instrument, and to use it. It is an object of the present invention to provide an operation terminal of a remote monitoring and control system in which a signal input / output unit of a signal transmission / reception unit can be easily protected, and a signal input / output unit of a signal transmission / reception unit is always protected.

[0012]

In order to achieve the above object, according to the first aspect of the present invention, a plurality of terminals having a unique address are connected to a central controller via a signal line, and the central controller is connected to the terminal. A transmission signal including at least the address data of the terminal to be accessed, control data indicating the control content of the load, and a return standby signal for setting a return standby period from the terminal is transmitted to each terminal, and the central control unit transmits each terminal. It is used in a remote monitoring and control system in which the control unit is individually accessed to transmit control data from the central control unit to each terminal unit, and monitoring data is returned from the terminal unit during the return waiting period, and the load is controlled. And a signal transmitting / receiving means for transmitting / receiving a data signal to / from an external setting device when an address setting is changed or a function is changed. The signal input / output unit of the signal transmission / reception means and the handle of the switch are provided on the surface of the housing, and the signal input / output unit and the handle are covered. Thus, a decorative cover is mounted on the surface of the housing.

According to a second aspect of the present invention, in the first aspect of the invention, a nameplate is attached to the decorative cover.

According to a third aspect of the present invention, in the second aspect of the present invention, a structure is provided in which a name card is sandwiched between a nameplate affixed to the decorative cover and a handle.

According to the present invention, a switch for operating a load as described above and a signal transmitting / receiving means for transmitting / receiving a data signal to / from an external setting device when changing an address setting or a function are provided. A standardized embedded wiring device is arranged in a housing formed to have the size of one module, and a signal input / output part of the signal transmitting / receiving means and a handle of the switch are provided on a surface of the housing. Since a decorative cover is attached to the housing surface to cover the parts and the handle, there is no need for troublesome setting operations such as DIP switches, and addresses and functions can be easily changed. Since it can be installed using the mounting frame in the same way as the above, it can be installed alongside the mounting frame together with other wiring equipment, and the signal input It can be protected by a constantly cosmetic cover a radical 19.

[0016]

DESCRIPTION OF THE PREFERRED EMBODIMENTS (Embodiment 1) FIGS.
1 shows an operation terminal 2 used in an embodiment of the present invention. This implementation
As shown in FIG. 4, the operation terminal in the form
Transmitting and receiving data signals to and from the central controller
For example, an optical wireless connection between the circuit 31 and the external setting device Z.
Signals that use data signals as signal media and transmit data signals.
An optical wireless transmission / reception circuit 32 as signal transmission / reception means,
For the transmission / reception control of the transmission / reception circuits 31 and 32 and the reception data
CPU that performs processing that responds to it and processing that creates transmission data
And a clock for the control circuit 30
A clock generating circuit 33 for generating a signal;
It consists of EEPROM etc. which memorized addresses and functions
Storage circuit 34 and the lighting state of the corresponding lighting are displayed.
Display circuit 35 and switch SW ₁Operation circuit 3 consisting of
6 and initialization of the control circuit 30 at the time of system startup, etc.
And a reset circuit 37 for generating a reset signal
I have.

FIG. 1 is an exploded perspective view of the operation terminal device 2.
FIG. 2 shows the appearance. As shown in FIG. 1, the operation terminal device 2 includes a body 40 a and a cover 4.
0b, and protrusions 45 formed at the lower ends of both ends of the cover 40b are elastically fitted into fitting holes 44a of the engaging portions 44 projecting upward from both end edges of the body 40a.
And the cover 40b are integrally combined. Here, a portion that overlaps with the engaging portion 44 around the projection 45 is recessed into a shape that substantially matches the shape of the engaging portion 44 to facilitate combination.

One end of the body 40a protrudes downward, and a pair of terminals 46 for connecting the signal line 4 is attached to the lower surface of the protruding portion. Here, the terminal 46 includes an L-shaped terminal plate 46a and a terminal screw 46b with a washer screwed onto the terminal plate 46a.

A printed circuit board 47 on which the above-described circuit is mounted is housed inside the body 40a. At one end of the printed circuit board 47, an insertion piece 46c of the terminal plate 46a inserted into the body 40a is soldered as shown in FIG. 2 (d) to connect the terminal 46 to the printed circuit board 47. Will be

[0020] On the upper surface of the printed circuit board 47, at least, a switch SW _1, a light emitting diode LD ₁ and the photodiode PD ₁ of the optical wireless transmission and reception circuit 32 is a signal transmitting and receiving means, two light-emitting diodes of the display circuit 35 It is to implement the LD _2. Here, as the light emitting diodes LD ₂ , LD ₂ having different emission colors such as red and green are used so that the operating state of the lighting can be easily identified by the color.

The cover 40b has a central portion projecting upward,
A switch SW is provided on the upper surface of the protrusion. ₁Handle 48
A handle hole 49 for exposing the filter so that it can move forward and backward, and a filter 52
Is mounted, the light emitting diode LD₁And Photodaio
Do PD₁Signal transmission and reception for optical wireless signals
Transmission / reception window 50 as an output unit, and light emitting diode for display
LD_Two, LD_TwoAnd a display window 51 that exposes
You.

A pair of locking claws 53 protrude from both ends of the cover 40b, and using the locking claws 53, a mounting frame (see FIG. 5 and 60) in the drawing.

A fitting mounting portion 54 is formed at the base of both end surfaces of the projecting portion of the cover 40b so as to be mounted on a metal mounting frame (not shown).

A decorative cover 55 is attached to the upper surface of the projecting portion of the cover 40b. Here, the makeup cover 55
Has a slightly concave upper surface, and a nameplate 56 is adhered in the concave portion. Holes corresponding to the holes 49 of the cover 40b and the windows 50 and 51 are formed on the upper surface. Makeup cover 55
Locking pieces 55a vertically extending from four locations on the lower surface of the cover 40b are elastically fitted to protrusions 57 provided on both sides of the fitting mounting portion 54 of the cover 40b, and are attached to the cover 40b. The nameplate 56 is formed of a transparent material and has a portion 41 for receiving a name card 58.

FIG. 3 shows a state in which the operation terminal device 2 used in the present embodiment is buried in a wall, which is a building, using a mounting frame 60 or the like. . The setting operation device Z includes an operation unit 70 including a plurality of switches for various operations, and a display unit 71 that displays addresses, function contents, and the like. In addition, as a function, for example, a function such as temporary lighting or delayed lighting can be provided to the operation terminal device 2.
Further, the address can be confirmed by the external setting device Z.

As described above, the housing 40 is formed to have a size corresponding to one module having a module size of a ready-made embedded wiring device, and is detachably attached to a mounting frame 60 used when the wiring device is embedded in a wall surface. By doing so, it is possible to easily embed and mount it on a wall surface or the like in the same manner as a ready-made wiring device. Also, when the address setting is changed or the function is changed, the operation terminal device 2 is removed from a wall or the like by providing the optical wireless transmission / reception circuit 32 for performing signal transmission with the external setting device Z using the optical wireless signal. Addresses and functions can be easily changed without the need.

The configuration of the entire remote monitoring and control system using this embodiment is the same as that of the conventional example shown in FIG.

[0028]

According to the first aspect of the present invention, a plurality of terminals each having a unique address are connected to a central control device via a signal line, and the control of the address data and the load of the terminal device at least accessed from the central control device. A transmission signal consisting of control data indicating the contents and a return standby signal for setting a return standby period from the terminal is transmitted to each terminal, and each terminal is individually accessed by the central controller, and each terminal is accessed from the central controller. This switch is used in a remote monitoring and control system in which control data is individually transmitted to the terminal and monitoring data is returned from the terminal during the return standby period.The switch that operates the load and the address setting change and function change At this time, a signal transmitting / receiving means for transmitting / receiving a data signal to / from an external setting device is formed in a size of one module of a standardized embedded wiring device. Since the signal input / output unit of the signal transmission / reception means and the handle of the switch are provided on the housing surface, and a decorative cover is attached to the housing surface to cover the signal input / output unit and the handle. Since the setting operation such as a DIP switch is not troublesome, the address and the function can be easily changed, and the wiring can be arranged by using the mounting frame like the already-built embedded wiring device, so that other wiring can be performed. An effect can be obtained that the signal input / output unit can be always protected by the decorative cover, because the signal input / output unit can always be protected by the decorative cover.

According to a second aspect of the present invention, in the first aspect of the present invention, since a nameplate is attached to the decorative cover, a space for attaching the nameplate can be secured.

According to a third aspect of the present invention, in the second aspect of the present invention, the name card is sandwiched between the nameplate attached to the decorative cover and the handle, so that the name card can be removed simply by removing the decorative cover. Can be exchanged.

[Brief description of the drawings]

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

2 (a) to 2 (d) are a plan view, a side view, a rear view, and a partially cutaway front view of the same operating terminal device after assembly.

FIG. 3 is an explanatory diagram of a method for changing an address or the like using an external setting device in the above.

FIG. 4 is a circuit diagram of the operation terminal device according to the first embodiment;

FIG. 5 is a system configuration diagram of a conventional remote monitoring control system.

FIG. 6 is an explanatory diagram of a transmission signal.

[Explanation of symbols]

2 Operation Terminal 40 Housing 40a Body 40b Cover 47 Printed Circuit Board 49 Handle Hole 50 Transmission / Reception Window 52 Filter 53 Locking Claw 55 Decorative Cover 56 Nameplate 58 Name Cover PD ₁ Photodiode LD ₁ Light Emitting Diode SW ₁ Switch

Claims (3)

[Claims] A plurality of terminals having a unique address are connected to a central controller via a signal line, and address data of the terminal at least accessed from the central controller, control data indicating control contents of the load, and the terminal. A transmission signal consisting of a return wait signal that sets a return wait period from the device is transmitted to each terminal device, and each terminal device is individually accessed by the central control device, and control data is individually transmitted from the central control device to each terminal device. This is used for a remote monitoring and control system in which monitoring data is returned from the terminal during the return standby period, and a switch for operating the load and an external setting device for changing the address setting or function. And a signal transmitting / receiving means for transmitting / receiving a data signal between the module and a standardized embedded wiring device. A signal input / output unit of the signal transmission / reception means and a handle of the switch are provided on the housing surface, and a decorative cover is attached to the housing surface so as to cover the signal input / output unit and the handle. An operation terminal for a remote monitoring and control system, characterized in that: 2. The operation terminal of the remote monitoring and control system according to claim 1, wherein a nameplate is attached to the decorative cover. 3. The operation terminal of the remote monitoring control system according to claim 2, wherein a name card is sandwiched between a nameplate attached to the decorative cover and a handle.