JP3193782B2 - Display operation device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for monitoring a device connected to a terminal by connecting a plurality of terminals to a control device in a multiple access system and transmitting data between the control device and the terminal. The present invention relates to a display / operation device that is used in a remote monitoring control system that performs control and that is connected to a control device and that can display an operation state of each device and operate each device.

[0002]

2. Description of the Related Art Conventionally, a remote monitoring and control system has been developed so that the operating state of each device can be centrally controlled in a power / power receiving / distribution system, a lighting / air conditioning system, etc. of a building such as an intelligent building. Monitoring and control of each device is considered by using this. If the number of devices that make up the system is very large, besides performing batch management as a whole in a machine room, etc.,
It is considered that distributed management is performed for each floor.

For example, when a remote monitoring and control system is used as a power and power distribution system, as shown in FIG. 11, a plurality of local control units (not shown) are connected to a central control unit (not shown) via a communication line Lc such as the RS485 standard. A control device 11 is connected, and a plurality of terminals 12 are connected to each local control device 11 via a signal line Ls. Local controller 1
From 1, a serial signal in which start signals, mode data, address data, control data, checksum data, signal return time slots and the like are arranged in a time series is transmitted by a time division multiplex transmission system. Each terminal 12
Each address is set individually. When the address data included in the signal transmitted from the local control device 11 matches the address of the terminal device 12, the control data is taken in to control the load and the like. Is transmitted from the terminal device 12 to the local control device 11 in synchronization with the signal return time slot. The terminal device 12 is provided in a power system 20 that controls a load 21 such as a motor, and a power distribution system 30 that monitors the amount of electric power used.

[0004] In the power system 20, a contact type output device 22 such as a breaker, an electromagnetic contactor, a thermal relay, and a timer relay is controlled by control data from the terminal device 12 to control the load 21 on / off. A control signal corresponding to control data from the terminal device 12 is output through the control circuit 23, and a drive circuit 24 such as an inverter is controlled based on the control signal to control power supplied to the load 21. By using the control circuit 23 and the drive circuit 24, it is possible to control the number of revolutions of a motor or the like.

On the other hand, in the power receiving and distribution system 30, a power distribution monitoring unit 31 and an integrated wattmeter 32 are connected to the terminal 12. The distribution monitoring unit 31 monitors the voltage, current, power, power factor, and the like of the distribution line to which each load is connected, and transmits these data to the local control device 11 as monitoring data through the terminal device 12. In addition, the integrated wattmeter 3
2 is also transmitted to the local control device 11 as monitoring data.

By the way, each local control device 11 has:
For a device connected to the terminal device 12 monitored and controlled by the local control device 11, a display operation device 13 capable of displaying an operation state or instructing an operation state is provided.
They are connected via a communication line Ld of the RS232C standard. That is, the local control device 11 controls the devices according to data from the central control device and the display / operation device 13, and the operation state of each device is transmitted to the central control device and the display / operation device 13 via the local control device 11. .

As shown in FIG. 12, the display operating device 13 is a display 41 comprising a liquid crystal display as a display means.
And a touch switch 42 as an operation means attached to the screen of the display 41 so as to overlap. Touch switch 42
Is formed in a transparent sheet shape, and the screen display of the display 41 can be visually recognized through the touch switch 4. The touch switch 42 is a key matrix in which minute switches are arranged in a matrix so that the touched position can be detected when touched with a finger or the like. Display 4
1 is provided with a backlight 46 behind the display 41.
Is made easy to see.

The contents of the display 41 are determined by inputting screen data from an arithmetic and control unit 40 comprising a microcomputer through a display driving circuit 43. The input of the touch switch 42 is input to the arithmetic control unit 40 through the key scan circuit 44. Here, the output of the touch switch 42 is processed by the arithmetic and control unit 40 so as to function effectively as a switch when a specific area corresponding to the display content of the display 41 is touched. That is, the arithmetic control unit 40 performs display on the display 41 based on screen data registered in advance, and when a finger or the like touches a specific area of the touch switch 42 set for each screen data, The operation of the function assigned to each area is performed. The arithmetic control unit 40 is connected to the communication line Ld
RS232C standard communication interface 4 connectable to
5 and connected to the local control device 11 via the communication interface 45, and also allows external setting and confirmation of screen data.

The display and operation device 13 has a function of graphically displaying the layout of each device of the power system 20 and the power receiving and distribution system 30, a function of displaying the operation state of each device connected to the power system 20, and a function of the power system. A function of operating the touch switch 20 for maintenance of each device connected to the power supply 20, a function of displaying monitoring data from each device connected to the power receiving and distribution system 30, and an abnormality among the devices. Various functions such as a function of displaying a list of things are provided, and the function to be operated can be selected on a menu screen that displays the name of each function as a menu. In addition, a function of displaying the operating current of the load detected by the power receiving and distribution system 30 on the screen of the display 41 as a bar graph is also provided.

[0010]

By the way, in the above-mentioned conventional configuration, when an abnormality occurs in a device such as the load 21,
Although abnormal by alarm sound such as a buzzer is reported, for the type of abnormal is only one type for one device is set, displaying a plurality of types of abnormality for one device This is not considered, and there is a problem that it takes time to find the cause because there is little information on abnormality of each device.

[0011] The present invention is aimed to solve the above problems, it is possible to display a plurality of types of abnormality for each apparatus, to provide a display operation device which is able to see the anomalies occur rapidly It is assumed that.

[0012]

According to the present invention, a plurality of terminals are connected to a control device through a signal line by a multiple access system, and data is transmitted between the control device and each terminal. Used in a remote monitoring and control system that monitors and controls the devices connected to each terminal, and is connected to the control device to display the operating status of each device on display means, and to display the operating status of each device. The present invention is based on the premise that the display operation device is operated by the operation means.

According to the first aspect of the present invention , each device has one
Each terminal can detect multiple types of abnormalities for each device, and each type of abnormalities has a priority set. For each of the devices, there is provided an abnormality display control means for displaying a plurality of abnormalities on the display means in order from the abnormality having the highest priority.

[0014]

According to the first aspect of the present invention , each device is made to correspond to one terminal, so that a plurality of types of abnormalities can be detected for each terminal, and a priority is set for the type of the abnormalities. Since the plurality of abnormalities are displayed on the display means in order from the highest abnormality, the plurality of types of abnormality of each device can be displayed within the display area of the display means. In addition, since the priorities are set for the types of abnormalities, abnormalities with a high degree of urgency can always be displayed on the display means.

[0015]

FIG. 11 shows the overall configuration of the remote monitoring control system.
Is similar to the conventional configuration shown in FIG. Further, in the display operating device 13 used in the present embodiment, as shown in FIG. 2, a backlight drive circuit 47 is inserted between the arithmetic control unit 40 and the backlight 46, and a blink signal from the arithmetic control unit 40 is provided. Thus, the on / off of the backlight 46 can be controlled.

In the present embodiment, the screen data constituting the display screen as shown in FIG. 1 is registered in the arithmetic and control unit 40 of the display operation device 13, and the touch switch 42 is operated while each display screen is displayed. By the operation, the control by the arithmetic control unit 40 is performed so that the display screen can be sequentially switched in the direction of the arrow in FIG. That is, when not operating the display operation device 13, nothing has become non-display screen P ₁ not displayed on the screen of the display unit 41.
In non-display screen P _1, the backlight 46 calculation control section 4
The light is turned off by 0. Touching anywhere entire touch switch 42 in the no-display screen P _1, to display the menu screen P _2, the backlight 46 is turned on. In the menu screen P _2, as shown in FIG. 3, function names are displayed for the next selectable functions. Each function name is surrounded by a frame, and an area within the frame of the touch switch 42 is a switch S ₃ for selecting a function corresponding to the function name.
Become ~S _9. In this screen, each switch S ₃ ~S
₉ is a graphic screen P ₃ , an individual status list screen P ₄ ,
Individual maintenance list screen P _5, the group state list screen P _6, measurement monitoring list screen P _7, weighing monitoring list screen P _8,
It has a function to switch to the abnormality list each screen of the screen P _9.
Further, the display operation device 13 has a built-in buzzer (not shown), and the character "Buzzer release" is displayed in a frame and displayed so that the buzzer sounding at the time of abnormality or the like can be stopped. corresponding area of the switch 42 functions as a switch S ₁₀ a buzzer releasing further switch S for the corresponding region is returned to the non-display screen P ₁ of the touch switch 42 characters are displayed within the frame of the "non-display" Will function as _one .

[0017] touch in the menu screen P ₂ switch 42
If touch long (eg over 30 minutes) to automatically will return to non-display screen P ₁ as the absence of the operator. As described above, since the backlight 46 is automatically turned off, the operator does not need to perform a special operation for turning on and off the backlight, and the usability is good. Further, if the backlight 46 is turned on about once a month (30 minutes), the life of the display 41 is greatly extended compared to the case where the backlight 46 is always turned on. is there.

The message area D ₁ is provided in the upper right corner on the screen of the display unit 41, the message as required is displayed. Further, the display operation device 13 of the present embodiment can use the above-described functions, but if there is an unnecessary function, screen data is not set for the screen. The screen data the arithmetic control unit 40 determines whether the screen data for each screen in the storage portion that is registered, for screen display data is not present, so as not to display the function name in the menu screen P _2, also Regarding the touch switch 42, no area is reserved for the function name. In short, for the screen function is not set, it is to is not listed in the menu screen P ₂ to automatically determine. As a result, even if the menu is selected, the next screen is not displayed and the user does not feel uncomfortable.

[0019] choose to display a graphic screen P _3, the graphic screen P ₃ that displays graphics and layout of the devices shown in FIG. 4 is displayed. FIG.
In graphic screen P ₃ shown layout of equipment "5 floor south machine room" is not more being displayed on the external shape of the machine room, the entrance of the location, the name and location of each device is displayed. In graphic screen P _3, by touching the cursor key S _11, S ₁₂ which is set at the lower left portion of the screen, subjected to repeated screen, and to be able to sequentially display the layout of equipment in other locations. Further, similarly to the menu screen P _2, set the switch S ₁ of the buzzer released further, is displayed in the character is surrounded by a frame lower-right corner of the "menu screen", the corresponding area is a menu screen of the touch switch 42 functions as a switch S ₁₃ to return to the P _2.

[0020] Selecting an individual state list screen P ₄ in the menu screen P _2, as shown in FIG. 5, the operation state of each device is displayed as a list on the operation display region D _2. Here, the display contents of the operation status of each device include the identification number, the device name,
OFF state, whether the control of the device is remote control, hand control, automatic control, numerical value indicating the appropriate value of the operating current of the device, bar graph indicating the actually measured operating current, operation attached to the bar graph These are the upper and lower limits of the current. If an abnormality occurs in the on / off state,
The word "abnormal" is displayed. Regarding the control form, the remote control means control by data transmission between the local control device 11 and the terminal device 12, and the local control means control by not operating a data transmission system by operating a switch attached to each device. The automatic control is a control mode other than the remote control and the hand control, and indicates that the device automatically operates.

The values shown in the bar graph are the menu screen P
Or are taken from the local control device 11 to the display operation device 13 at the time of switching the individual state list display screen P _{4 2,} or which is displayed at the bottom of the individual state list screen P ₄ "operating current once display request at the time of operating the switch S ₁₄ which is set to correspond to the letter "is the value taken from the local control device 11. Whenever operating the switch S ₁₄ in this manner, the refresh current value is taken from the local control device 11 in the bar graph.
If operating the switch S _14, the value taken during the screen switching is displayed. As described above, the display of the bar graph is not the real-time display but the display of the past current value. Even if the current value is continuously taken in, the display between the local control device 11 and the display operation device 13 is not performed. In addition, it takes time for data transmission between the local control device 11 and each terminal device 12, and it is meaningless to continuously take in the current value. Conversely, by which to capture the current value only when operating the switch S _14, when an abnormality occurs will be readily be compared with the current value before the,
This makes it easy to estimate the cause of the abnormality.

[0022] By the way, in the individual state list display screen P _4, in the same manner as the graphics screen P _3, switch S ₁ of the buzzer released, the cursor key S _11, S _12, switch S ₁₃ to return to the menu screen is set, further The text “Maintenance individual start / stop list” is displayed, and touch switch 42 is displayed.
Corresponding region functions as a switch S ₁₅ a. The function of the switch S ₁₅ will be described later. Here, if the cursor keys S ₁₁ and S ₁₂ are operated, the page turning of the individual state list display screen P ₄ is performed as shown in FIGS. 6 and 7.
Here, although the switch S ₁₅ in FIG. 6 and 7 are omitted and do not require the function of the switch S _15, it may be such a screen configuration.

[0023] By operating the switch S _15, as shown in FIG. 8, to enter the personal identification number as the identification code identifying the operator, the personal identification number setup screen P _11. In PIN setting screen P _11, the number input area D ₃ for inputting a 4 digit personal identification number, a ten key S _16, a clear key S ₁₇ and input keys S ₁₈ adjacent the ten key S ₁₆ is displayed. Here, enter the 4-digit PIN by ten key S _16, entered when operating the key S _18, the process proceeds to the maintenance individual start-stop list screen P ₁₂ if they match the secret number registered in advance, If the passwords do not match, a message (message in parentheses in FIG. 8) is displayed to prompt re-input. At the time of input of a personal identification number, if noticing the input mistake before the operation of the input key S _18, it is possible to modify the input by operating the clear key S _17. In the personal identification number setting screen P _11, is at the bottom of the screen is set switch S ₁ of the buzzer released, also the switch S ₁₉ to correspond to the character returns to the individual state list screen P ₄ of the "individual state List" Is set.

[0024] PIN matches the PIN code setting screen P _11, will maintain separate chronograph coupling list screen P ₁₂ as shown in FIG. On this screen, the individual status list screen P
From the operating state display region D ₂ in the ₄ bar graph displays has been operating state display region D ₂ 'is omitted, it is possible to operate the on-off each device. That is, "UP" is at the bottom of the screen, "DOWN", "ON", switch S ₂₀ a character is displayed _{"OFF", S 21, S 22, S} 23 are set respectively, cursor keys S _11, S ₁₂ , a buzzer release switch S ₁ , and a switch S ₁₉ for returning to the individual state list screen P ₄ are set. In this screen, turning the cursor keys S ₁₁ and S ₁₂ turns the page of the screen.
The lines corresponding to the two devices are highlighted and “U
By operating the respective switches S ₂₀ and S ₂₁ of “P” and “DOWN”, the position of the reverse display displayed on the screen can be sequentially moved up and down line by line.
By operating one of the switches S _22, S ₂₃ "ON", "OFF", it is possible to manipulate the state of the on-off devices that are highlighted.

The group status list screen P ₆ shown in FIG.
PIN setting screen P _13, the list screen P ₁₄ stops the maintenance group airport, each individual state list screen P _4, personal identification number setup screen P _11, a substantially same screen as maintenance individual chronograph coupling list screen P _12, these Screen shows multiple devices as one
The point that one operation is performed collectively is different from the individual control. In addition, from a group state list screen P ₆ it is possible to move to the schedule list screen P _13,
A time schedule for devices whose time is managed can be displayed. For example, since the illuminance at the window in the room changes between daytime and evening, the lighting load as a device is turned on and off according to such a change.

[0026] The individual maintenance list screen P ₅ is basically be the same as the maintenance individual start-stop list screen P _12, it is different in that it can not, such as the operation of the equipment on and off. That is, it is a screen for confirming ON / OFF of each device. In the measurement list screen P ₇ and metering list screen P _8, at room temperature was detected by measurement and sensors in electric power reception and distribution system 30, the weight value of the water level of the elevated tank is displayed.

The abnormality list screen P _9, as shown in FIG. 10, a screen displaying a list of devices that abnormality has occurred in the abnormal device display area D _4, the identification number of the device, device name, abnormal Is shown. Further, a cursor key S _11, S ₁₂ for repeated screen, switch S ₁ for buzzer release, the switch S ₁₃ to return to the menu screen is set. Abnormalities include short circuit, overcurrent, overload,
Up to three of the following are displayed: leakage, open phase, overload notice, light load alarm, and leakage notice. In the case of a notice or a warning, "notice warning" is displayed, and in other cases, "abnormal" is displayed. In addition, abnormalities are displayed prior to the warning alarm.In the case of abnormalities, the priorities are set in the order of leakage, short-circuit / overcurrent, overload, and open-phase. , Priorities are set in the order of overload notice.
Here, the device names are displayed in the order of occurrence of abnormalities.

Such an abnormality or an advance warning is issued to the terminal 12
Is generated when the local control device 11 receives monitoring data from the control circuit 23 connected to the terminal device 12. Each terminal device 12 has a connection relationship such that one device corresponds to each terminal device 12. It is possible to display a plurality of abnormal contents at the same time. Further, the abnormality list screen P ₉ is may be selected from the menu screen P _2, when the abnormality may be unsubstituted display screen P ₁ is generated, and is automatically displayed. Therefore, the occurrence of the abnormality can be promptly notified.

[0029]

According to the first aspect of the present invention , each device corresponds to one terminal device, a plurality of types of abnormalities can be detected for each terminal device, and a priority is set for the type of abnormalities. Since a plurality of abnormalities are displayed on the display means in order from the abnormality having the highest priority, there is an advantage that a plurality of types of abnormalities of each device can be displayed within a display area of the display means. In addition, since the priorities are set for the types of abnormalities, there is an effect that abnormalities with a high degree of urgency can always be displayed on the display means.

[Brief description of the drawings]

FIG. 1 is an operation explanatory diagram showing transition of a screen showing an embodiment.

FIG. 2 is a block circuit diagram of the embodiment.

FIG. 3 is an operation explanatory diagram showing a menu screen in the embodiment.

FIG. 4 is an operation explanatory diagram showing a graphic screen in the embodiment.

FIG. 5 is an operation explanatory diagram showing an individual state list screen in the embodiment.

FIG. 6 is an operation explanatory diagram showing an individual status list screen in the embodiment.

FIG. 7 is an operation explanatory diagram showing an individual state list screen in the embodiment.

FIG. 8 is an operation explanatory view showing a personal identification number setting screen in the embodiment.

FIG. 9 is an operation explanatory diagram showing a maintenance individual start / stop list screen in the embodiment.

FIG. 10 is an operation explanatory view showing an abnormality list screen in the embodiment.

FIG. 11 is a schematic configuration diagram of a remote monitoring control system using the display operation device according to the present invention.

FIG. 12 is a block circuit diagram showing a conventional example.

[Explanation of symbols]

 Reference Signs List 11 local control device 12 terminal device 13 display operation device 21 load 40 arithmetic control unit 41 display device 42 touch switch 43 display drive circuit 44 key scan circuit 45 communication interface 46 backlight 47 backlight drive circuit Lc communication line Ld communication line Ls Signal line

Continuation of the front page (58) Field surveyed (Int. Cl. ⁷ , DB name) G08B 23/00-31/00 G09G 5/00 H04Q 9/00

Claims (1)

(57) [Claims] 1. A device in which a plurality of terminals are connected to a control device via a signal line by a multiple access system, and connected to each terminal by data transmission between the control device and each terminal. used in remote monitoring and control system adapted to monitor and control, control and displays on the display means an operation state of the connected various devices to control apparatus, to operate the operating means an operation state of each device In the display operation device described above, each device corresponds to one terminal device, and each terminal
The device can detect multiple types of abnormalities for each device.
Priorities are set for each type of abnormality, and
If an error occurs in the device,
Multiple abnormalities are displayed in order from the one with the highest priority for each
A display operation device provided with an abnormality display control means for displaying on the means .