JP3124790B2 - Terminal for remote control system - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a terminal for a remote control system.

[0002]

2. Description of the Related Art FIG. 10 shows a basic example of a remote control system using time division multiplex transmission. In this system, a plurality of control terminals are connected to a transmission line 4 consisting of a pair of lines from a central control unit 1. The terminal 3 and the monitoring terminal 2 are connected, the load, here the load 5, is connected to the control terminal 3, and the operation switch 6 is connected to the monitoring terminal 2.

The operation of this system will be described with reference to a transmission signal shown in FIG.
Transmits a transmission signal Vs having a format as shown in FIG. 11A, and controls the control terminal 3 and the monitoring terminal 2. That is, the transmission signal Vs
Are a start pulse ST indicating the start of signal transmission, mode data MD indicating a signal mode, address data AD,
This is a bipolar (± 24 V) time-division multiplexed signal including control data CD for controlling the load, checksum data CS for detecting a transmission error, and a signal return period WT for setting a return period for return data ((FIG. 11 ( b)), data is transmitted by pulse width modulation. In the control terminal 3 and the monitoring terminal 2, when the address data AD of the transmission signal Vs received via the transmission line 4 matches the preset own address, respectively, the transmission signal Vs The control data CD is taken in, and the return data is returned as a current mode signal (a signal transmitted by short-circuiting the transmission lines 4 through an appropriate low impedance) in synchronization with the signal return period WT of the transmission signal Vs. It is supposed to.

On the other hand, the central control unit 1 is provided with a dummy signal transmitting means and an interrupt processing means. The dummy signal transmitting means always transmits a transmission signal Vs in which the mode data MD is set to the dummy mode. Further, when the interrupt signal Vi as shown in FIG. 11 (c) is returned, the interrupt processing means returns the return data from the monitoring terminal 2 which has generated the interrupt signal Vi.
That is, the monitoring terminal 2 connects the switch output of the operation switch 6, and sends an interrupt signal Vi in response to a change in the switch input when the switch output is turned on or off. The central control unit 1 transmits a transmission signal Vs for an address search for each group address in order to search for the interrupted terminal 2 in response to the interrupt signal Vi. The interrupted monitoring terminal 2 returns its own unique address as return data when the group to which it belongs is accessed.

[0005] By this return, the central controller 1 can determine the monitoring terminal 2 that has caused the interruption, and then transmits the transmission signal Vs having the address data AD of the monitoring terminal 2 to transmit the transmission signal Vs. The monitoring device 2 is accessed and the status of the switch output connected from the monitoring terminal device 2 is returned as return data. Based on the return data returned from the monitoring terminal 2 in this manner, the central control device 1 transmits the control data CD to the control terminal 3 that controls the load 5 corresponding to the monitoring terminal 2. The transmission signal Vs including the control data CD
The load 5 is individually controlled to be turned on and off by time division multiplex transmission to the control terminal 3 via the control terminal 3.

In the central control unit 1, a correspondence with a control terminal 3 to which a load 5 to be controlled is connected is set in response to return data from the monitoring terminal 2, and control is performed according to this correspondence. ON / OFF control of the load 5 of the communication terminal 3. Here, conventionally, when on / off control of a load such as a plurality of lights is performed, the monitoring terminal device 2 is gathered in one place, and the selector switch device 7 that can be operated in one place with respective operation switches is provided. What was called was used.

[0007]

However, when a large number of operation switches are provided, it is unclear which operation switch corresponds to which load, and there is a case where the operation switch is turned on / off by mistake. In addition, there is a problem that even if the transmission lines can be formed with two transmission lines 4 for each monitoring terminal 2, if the number is large, it takes time and effort.

[0008] The present invention has been made in view of the above problems, it is an object of the invention of claim 1 has no erroneous operation known at a glance the operation switch and the operation target, the wiring construction Easy to add desired functions to the terminal
To provide a terminal unit of a remote control system that can. The object of the second aspect of the present invention is that, in addition to the object of the first aspect of the present invention, a divided area or the like to be displayed on a liquid crystal display is provided.
It is an object of the present invention to provide a remote control system terminal capable of efficiently creating display data . The object of the third aspect of the invention is to operate with mischief in accordance with the object of the first aspect of the invention.
Another object of the present invention is to provide a terminal of a remote control system that prevents the terminal device from being damaged.

[0009]

In order to achieve the above-mentioned object, according to the first aspect of the present invention, a plurality of terminals having individually set addresses are centrally controlled via a transmission line composed of a pair of lines. Connected to the device, transmission from the central control unit to each terminal unit including address data for individually specifying the terminal unit, transmission data to each terminal unit, and return data from the terminal unit to the central control unit A terminal used in a remote control system in which signals are transmitted in a time-division multiplex manner and a load connected to the other terminal is controlled in response to a monitoring input input to one of the terminals to which a correspondence relationship by an address is set. A liquid crystal display for displaying a divided area in which a load to be controlled is disposed, a panel switch disposed on the liquid crystal display, and a load control displayed on the liquid crystal display.
When the control panel switch is operated, the operation signal is returned as return data to the central control device as a monitor input for controlling the load of the section area , and the terminal device is operated .
Mode for adding functions related to the operation of
Panel switch to switch the terminal operation mode to
When the switch is operated, the option mode is
And a terminal device circuit section for operating the terminal device in a mode. According to a second aspect of the invention, in the invention of claim 1, said
Functions are displayed on the liquid crystal display, such as the divided area
It is characterized by a map input function for reading and storing data from outside .

According to a third aspect of the present invention, in the first aspect of the present invention, the function is a password for restricting a use operation.
Password, and the entered password is
Password that permits switch operation when the password matches
It is characterized in that it is a function for inputting data .

[0011]

According to the terminal of the remote control system of the present invention, the user can operate the load corresponding to the divided area only by touching the panel switch corresponding to the divided area displayed on the liquid crystal display. An operation signal of the panel switch, which is information, is taken into the terminal circuit unit as a monitoring input, and can be returned as reply data in response to a call from the central control unit. Therefore, a mistake as in the related art is unlikely to occur due to the correspondence between the divided areas and the panel switches.
Also, operate the panel switch corresponding to the option mode.
The operation mode of the terminal to the option mode.
Instead, it is possible to add functions related to the operation of the terminal.
So that one terminal can have various functions
Can be.

In addition, the terminal device may have a map input function.
Reads display data created externally by
Can be stored in a personal computer, for example.
Areas using advanced programs such as computer
Create detailed diagrams efficiently by creating detailed diagrams.
Can be In addition, a password input device
Passwords that have been set in advance.
Switch operation cannot be performed unless the
And mischief can be prevented.

[0013]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. FIG.
Shows a configuration of a terminal device circuit section of the terminal device T of the remote control system of the present invention. The liquid crystal display device 10 includes a backlight for displaying a screen such as a divided area, and a CPU for performing signal processing of the terminal device. A liquid crystal driver 12 for driving the liquid crystal display 10 by writing display data by the signal processing circuit 11 to display a screen based on the display data; and a liquid crystal driver 12 disposed on the screen surface of the liquid crystal display 10. Panel switch 13 and the panel switch 1
Key input matrix circuit 1 for detecting the XY coordinate point of the operation position of No. 3 and providing the operation signal to the signal processing circuit 11
4, a RAM 15 for rewritably storing display data and other data, and a transmission signal Vs transmitted from the central control unit 1 via the transmission line 4 to be given to the signal processing circuit 11, A receiving / replying circuit 18 for short-circuiting the transmission line 4 via an impedance based on the return data from the circuit 11 and returning it as a current mode return signal.
And a reset circuit 16 for resetting the signal processing circuit 11 at the start of the system, and an RS232C for communicating with an external data creating means such as a personal computer (of course, RS485 may be used). And a communication control circuit 17.

As shown in FIG. 2, the terminal T has a panel of the liquid crystal display 10 arranged on the front of the body 20, a connector 21 for RS232C on the side of the rear of the body 20, and both sides of the upper surface of the rear. Is provided with a connection terminal 22 for connecting the transmission line 4 of the remote control system and a power supply terminal 23 for connecting an external power supply for obtaining a power supply inside the terminal. The mounting frame 20 of the triple module of the general wiring device is mounted around the front of the body 20. The mounting frame 24 is for mounting to a switch box (not shown), and mounting holes 25 for inserting fixing screws (not shown) are formed in the upper and lower frame sides.

In this embodiment, a normal mode actually operating as a terminal and a panel switch 1 in a divided area
A setting mode for setting the relationship between the operation 3 and the control mode and the like; a division mode for creating a display area such as a divided area to be displayed on the liquid crystal display 10 and characters on the screen of the liquid crystal display 10; , Furthermore, communication function, input function to read the display data file of the classification data from the external data creator, furthermore, password input function to limit the use operation, and display the operation state of the target load with predetermined pictures, characters, etc. And a mode for setting options such as a function for displaying a moving image, and the switching and setting of these modes are performed based on function keys displayed on the liquid crystal display 10. Do.

First, in the normal mode, the signal processing circuit 11 uses the display data of the parent screen registered in advance to
The whole map of the place where the remote control system is installed and the contents of the function keys are displayed. FIG. 3 shows an example of the main screen A. In this state, the signal processing circuit 1
1 is in a stand-by state in which the key input shown by the flowchart in FIG. 7 is taken. The remote control system is ready to receive the transmission signal Vs.

Here, on the screen of FIG. 3, "design" and "management" are performed.
This is a screen for group control or pattern control of the entire load in the divided area displayed with characters such as "meeting room" and a frame. The details of these divided areas are shown in advance in the main screen A as shown in FIG. Is divided into a plurality (~
Are divided into four) and displayed on the sub-screens B ₁ ... Created corresponding to the respective divided areas.

This screen switching is performed while the main screen is being displayed.
Function keys displayed in screen bottom may press the position of "pages", the signal processing circuit 11 determines the operation contents by reading the operating position of the panel switch 13 through the key input matrix circuit 14, the child picture B ₁ ... of to display a child screen B ₁ ... on the basis of the display data. In this case, the sub-screen B ₁ displayed every time the “Page” key is operated…
Is switched cyclically.

Switching from the child screen display to the parent screen display can be performed by pressing the position of the function key indicated as "parent". The signal processing circuit 11 recognizes this operation and switches the screen to the parent screen A. Is supplied to the liquid crystal driver 12 to switch to the original parent screen A. The divided areas on the detailed map displayed on the sub-screens B ₁ ... Indicate areas for turning on / off individual loads in the divided areas.

Therefore, when the display position of the divided area on the main screen is pressed, the corresponding address for group control or pattern control of the load 5 belonging to this divided area is transmitted to the central control unit 1 via the reception / reply circuit 18. The central controller 1 sends control data to the control terminal 3 corresponding to the load 5 by the transmission signal Vs, and turns the load 5 on or off.

Similarly, when the display position of the divided area on the sub-screen B ₁ ... Is pressed, the corresponding address for controlling the load 5 belonging to this divided area is returned to the central control unit 1 through the reception / reply circuit 18, The central control unit 1 sends control data to the control terminal 3 corresponding to the load 5 by the transmission signal Vs, and turns the load 5 on or off. The display during the pattern or group control or the status display of the individual loads 5 is controlled or turned on based on the control data CD transmitted from the central control device 1 to the terminal T of the present invention. If there is, the display is switched to the reverse display, and the control state of the divided area and the state of the load 5 can be understood from the display state.

Next, the correspondence setting between the divided areas and the group control will be described. For example, in FIG. 3, when the position of the function key displayed as “SET” is pressed, the signal processing circuit 11 that recognizes this operation switches the operation mode to the setting mode, and first, as shown in FIG. In addition to the dashed lines, function keys required for setting are displayed.

On this screen, "→""←""↑"
When the cursor on the screen is operated by operating the position of the cursor key indicated by "↓" and the "line" key is operated, the signal processing circuit 11 is operated by the liquid crystal driver 12 through the liquid crystal driver 12 based on this operation. Draw an area indicated by a solid line in each section area on the screen of FIG. 10, and after completing the creation of this area, operate the key displayed as “SET” to select and set the address assigned to the group control. The data of the correspondence between the address of the group control and the address of the control terminal 3 of the load 5 belonging to the sectioned area is returned to the central control unit 1, and the setting content is set in the table showing the address relation of the central control unit 1. Can be written. By operating the key displayed as "cancel", the settings can also be canceled. Addresses can be assigned to individual loads 5 by the same operation.

After the setting is completed, when the key indicated as "EXIT" is operated, the signal processing circuit 11 recognizes this operation, returns to the original screen shown in FIG. 3, and returns to the normal operation mode. return. In addition, when the function key indicated as “fill” in FIG. 3 is operated, a mode for creating a diagram of the divided area is set. In this mode, a key display similar to that in FIG. 5 is displayed.
With the key of the "line", the figure of the divided area can be created while being displayed on the screen, and similarly, the display characters can be created by the dot matrix of P * Q as shown in FIG. The screen display data is stored as a display data file in the RAM 15 by the signal processing circuit 11 when the "SET" key is operated, and the screen can be displayed based on the display data.

Further, when an "option" function key is created on the screen of FIG. 3, the operation mode shifts to the option mode, and functions such as a communication function, a map input function, a password input function, a pictogram switching function, and a moving image switching function are selected. Will be able to The communication function is a function used not only as a terminal device for controlling the normal lighting load 5 but also as a display mode of another interface, and is an RS232C (RS485 is of course good).
, The display screen is switched based on this command, and the screen can be displayed corresponding to the interface.

The map input function is realized by connecting a personal computer PC, which is an external data generating means, to the terminal T of the present invention by using the RS232C communication control circuit 17 as shown in FIG. This function is to read the display data file of the figure of the divided area and store it in the RAM 15. In other words, by creating a diagram of the divided area on the personal computer PC using an advanced program such as the map creation software FD, it is possible to more efficiently create a diagram of the divided area than on the terminal T side, and to obtain a detailed It becomes easy to obtain the figure.

In the password input function, since the operation control of the lighting load 5 is also performed in a common area, a floor, or the like, when the terminal T of the present invention is installed in such a place, there is a risk of mischievous operation. . Therefore, in order to prevent mischief, this is a function for preventing a switch operation without inputting a predetermined password, and the operation state of the load 5 can be displayed even when this function is set. Of course.

Further, the pictogram switching function and the moving picture switching function are functions for displaying the load state and the control state by pictograms and moving pictures when it is difficult to understand the load state and the control state by the reverse display. That is, as shown in FIG. 9, the display control software program PR is started to specify the display method, and the RAM 1
For example, an ON display data file area 15a storing ON state display data of each load 5 in a predetermined area 5a.
₁ ... and it reads the display data in accordance with the off-display data file area 15b ₁ ... and for storing data of the off-state display to the load condition, is to perform display by pictograms or video based on the display data.

[0029]

According to the first aspect of the present invention, only by touching a panel switch corresponding to a divided area displayed on the liquid crystal display, the operation of the panel switch which is operation information of a load corresponding to the divided area is performed. The signal is taken into the terminal circuit as a monitoring input and can be returned as reply data in response to the call of the central control unit. This has the effect of being less likely to occur, and has the effect of facilitating the wiring work, since the transmission wiring of the transmission line as in the case of using a plurality of monitoring terminals is unnecessary. Also, the panel corresponding to the option mode
When the switch is operated, the operation mode of the terminal device becomes optional.
Mode, and adds functions related to terminal operation.
So you can add various functions to one terminal
You can have.

Further, according to a second aspect of the present invention, the above function is a liquid crystal.
Display data such as the area to be displayed on the display
Since it is a map input function that reads and stores from
You can read and store the display data created in
Can be used, for example, with a personal computer, etc.
Create a diagram of a segmented area using a sophisticated program
Has the effect that detailed diagrams can be created efficiently.
You. Further, the invention according to claim 3 is characterized in that the above-mentioned function controls the use operation.
Enter the password to restrict, enter the entered path
If the password matches the preset password, the switch
Password input function that permits touch operation.
If you do not enter the set password,
It can be prevented from being performed and can prevent mischief
Has the effect.

[Brief description of the drawings]

FIG. 1 is a circuit block diagram showing one embodiment of the present invention.

FIG. 2 is a perspective view showing the appearance of one embodiment of the present invention.

FIG. 3 is a diagram showing an example of a display screen of a liquid crystal display according to an embodiment of the present invention.

FIG. 4 is an explanatory diagram showing a relationship between a main screen and a sub-screen of the liquid crystal display according to one embodiment of the present invention.

FIG. 5 is a diagram showing an example of a screen of a liquid crystal display for explaining the operation of one embodiment of the present invention.

FIG. 6 is a flowchart of one embodiment of the present invention.

FIG. 7 is an explanatory diagram of a character creation example according to an embodiment of the present invention.

FIG. 8 is an explanatory diagram of a map input function according to an embodiment of the present invention.

FIG. 9 is an explanatory diagram of a pictographic character input function according to one embodiment of the present invention.

FIG. 10 is an overall configuration diagram of a remote control system.

FIG. 11 is an explanatory diagram of a transmission signal used in the remote control system.

[Explanation of symbols]

 Reference Signs List 10 liquid crystal display 11 signal processing circuit 12 liquid crystal driver 13 panel switch 14 key input matrix circuit 15 RAM 16 reset circuit 17 communication control circuit 18 reception / reply circuit

──────────────────────────────────────────────────続 き Continued on the front page (58) Fields surveyed (Int.Cl. ⁷ , DB name) H04Q 9/00-9/16 H05B 37/02 G06F 3/033 360

Claims (3)

(57) [Claims] A plurality of terminals each having an individually set address are connected to a central controller via a transmission line composed of a pair of lines, and each terminal is connected to each terminal from the central controller. A terminal in which a transmission signal including separately specified address data, transmission data to each terminal device, and return data from the terminal device to the central control unit is time-division multiplex-transmitted, and a correspondence relationship by an address is set. A terminal device used in a remote control system in which a load connected to the other device is controlled in accordance with a monitoring input input to one of the devices, and displays a divided area in which a load to be controlled is arranged. a liquid crystal display, a panel switch disposed on the liquid crystal display, the panel switch for load control which is displayed on the liquid crystal display device is operated with the operation signal controls the loading of the segment area It sends back a reply data to the central control device as a monitor input, related to the operations of the terminal device
Terminal operation in option mode for adding functions
Panel switches for switching modes are operated
And the terminal device in the option mode according to the operation signal.
A terminal device of a remote control system, comprising: a terminal device circuit section to be operated . 2. The function as described above is divided into sections displayed on a liquid crystal display.
Read and store display data such as areas from outside
The terminal device of the remote control system according to claim 1, wherein the terminal device has a map input function . 3. The function according to claim 1, further comprising:
Password, and the entered password is set in advance.
Switch operation is permitted when the password matches
The terminal of the remote control system according to claim 1 , wherein the terminal is a password input function .