JP5481238B2 - Building monitoring control system and building monitoring control method - Google Patents

Description

  The present invention relates to a building supervisory control system and a building supervisory control method used for performing automatic operation in conjunction with a plurality of facilities in a building.

  There are many facilities in the building, and some of these are operated by automatic control in conjunction with monitoring information such as the operating state of other facilities and measurement results. For example, there is a case where the local controller detects that a power outage has occurred in the power supply equipment in the facility and automatically controls to start private power generation operation.

  A technique for performing automatic control of facilities in conjunction with each other is described in Patent Document 1.

  In one form of the distributed control system described in Patent Document 1, a certain rule is set in advance in the master station computer in the system, and when a condition based on this rule is established, the system is connected to the equipment in the facility. It is controlled to transmit a predetermined message to the slave station. For example, the master computer constantly monitors the output of the fire sensor and stops the air conditioner when a fire signal is input from the fire sensor to notify that a fire has occurred (when a rule-based condition is met) Is transmitted to the slave station to control the corresponding air conditioner to be stopped.

  By automatically controlling the operation of the facilities in the facility using this system, even if an abnormality occurs in the facility, it is possible to efficiently execute an appropriate operation without an operator's operation each time.

JP 2000-3214 A

  In the automatic control using the technology disclosed in Patent Document 1, an abnormality occurs in the remote I / O device or local controller in the system, and it is not possible to acquire an operation state value or a measured value from the corresponding equipment or sensor. Sometimes automatic control itself stops.

  However, in this case, the operation status values and sensor measurement values are not acquired, and no abnormality has occurred in each facility itself. Therefore, every time an abnormality occurs in the remote I / O device or local controller, all automatic control stops. It was inconvenient. Especially in large buildings, since many equipment and sensors are installed, there is a high probability that an abnormality will occur in any of the devices connected to them, and there is a high possibility that automatic control will stop halfway. There was a problem that.

  In addition, when such an abnormality occurs, the supervisor must manually operate each equipment device that has stopped one by one according to the automatic control information, which is complicated and complicated automatic control information. There was a problem that only a watcher who was aware of the contents of this could respond.

  The present invention has been made in view of the above circumstances, and even when an abnormality occurs in the system and monitoring information of the equipment cannot be acquired, automatic control linked with the equipment can be executed with a simple operation. An object of the present invention is to provide a building monitoring control system and a building monitoring control method that are possible.

In order to achieve the above object, a monitoring control system according to claim 1 of the present invention is obtained by a device information acquisition device that acquires monitoring information of a first facility in a facility to be monitored and controlled, and the device information acquisition device. Based on the monitoring information of the first equipment, the control device for automatically controlling the operation of the second equipment in the facility to be monitored and controlled , and connected to the control device and acquired by the device information acquisition device In a building monitoring and control system comprising a display device for displaying monitoring information , when the control device detects that the monitoring information of the first facility cannot be acquired from the device information acquisition device, accepting alternative monitoring information to allow the state, based on the acquired alternate monitoring information Thus, the switching operation of the second equipment to automatically control, the monitoring information of the first facilities alternative Only when you are in the permitted state is attached, and wherein the displaying the information specifying that it is the permission state to the display device.

Moreover, Claim 2 is the monitoring control system according to Claim 1 , wherein the control device allows the monitoring information of the first facility from the device information acquisition device after enabling the reception of the alternative monitoring information. When it is further detected that the information can be acquired, the monitoring control is disabled based on the monitoring information of the first equipment acquired by the device information acquisition device, and the reception of the replacement monitoring information is disabled. The operation is switched so as to automatically control the operation of the second equipment in the target facility.

Further, a third aspect of the present invention is the monitoring control system according to the second aspect , wherein the control device allows the monitoring information of the first facility to be received from the device information acquisition device after permitting acceptance of the alternative monitoring information. When it is further detected that acquisition is possible, the monitoring information of the first facility acquired by the device information acquisition device is switched in a stepwise manner from the alternative monitoring information. .

The claim 4 is a monitoring control system according to claim 1, wherein the control device, after the reception of the monitoring information of the substitute to the permission state, the monitoring information of the first facilities from the device information acquisition device When it is further detected that the information can be acquired, the monitoring information can be acquired from the device information acquisition device in order to cause the monitor to perform an operation of disallowing reception of the alternative monitoring information. It is characterized in that information that clearly indicates that it has been displayed is displayed on the display device.

In the building monitoring control method according to claim 5 of the present invention, the device information acquisition device acquires the monitoring information of the first equipment in the facility to be monitored and controlled, and the device information acquisition device acquires the monitoring information. Based on the monitoring information of the first equipment, the control device automatically controls the operation of the second equipment in the facility to be monitored and controlled, and the monitoring information acquired by the device information acquisition device is connected. A step of displaying on the device, and when the control device detects that the monitoring information of the first facility cannot be acquired from the device information acquisition device, the acceptance of the replacement monitoring information of the first facility is permitted. based on the acquired alternate monitoring information Thus, the step of switching the operation of the second equipment to automatically control, the control device, the reception of the monitoring information of the first facilities alternative When you have allowed state, the information specifying that it is the permitted state, and having a step of displaying on the display device.

  According to the building monitoring control system and the building monitoring control method of the present invention, automatic control linked with equipment is executed with a simple operation even when an abnormality occurs in the system and monitoring information of the equipment cannot be acquired. be able to.

It is explanatory drawing which shows the structure of the load control system to which the building monitoring control system by one Embodiment of this invention is applied. It is a block diagram which shows the structure of the building monitoring control system by one Embodiment of this invention. It is a flowchart which shows operation | movement of the building monitoring control system by one Embodiment of this invention. It is explanatory drawing which shows a structure when abnormality generate | occur | produces in the building monitoring control system by one Embodiment of this invention.

  As one embodiment of the present invention, a monitoring control system used for load control by a private power generator in a building to be monitored and controlled will be described.

  The configuration of the load control system using the private power generator will be described with reference to FIG.

  The load control system by the private power generator includes a commercial power source 1, a power receiving circuit breaker 2, a power generator 3, a power generator starting device 4, a voltage detector 5, a communication circuit breaker 6, and a load side circuit breaker 7a. , 7b, 7c and loads 8a, 8b, 8c.

  The load control system using a private power generator supplies power from the generator 3 to the loads 8a to 8c, for example, when a commercial power supply 1 fails, and sets the priority of power supply to the loads 8a to 8c. In addition, according to the power generated by the generator 3, the power supply to the low priority load is cut off, and the power supply to the high priority load is performed without causing the generator 3 to trip. Is.

  The operation of the load control system by the private power generator is as follows. First, when a power failure of the commercial power source 1 is detected, the power receiving circuit breaker 2 is opened and the generator 3 is activated. When the voltage detector 5 detects that the voltage of the generator 3 has become equal to or higher than a predetermined voltage, the communication breaker 6 is closed and load control is performed.

  In the load control, the generated power of the generator 3 is compared with the consumed power of the loads 8a to 8c, and when the generated power of the generator 3 is lower than the consumed power of the loads 8a to 8c, the power supply of the loads 8a to 8c is Based on the priority, the load-side circuit breaker 7 connected to the low priority load 8 is opened, the power supply to the low priority load 8 is cut off, and the power supply to the high priority load 8 is performed. Continue.

<Configuration of Building Monitoring and Control System According to One Embodiment>
The configuration of the building monitoring control system according to the present embodiment will be described with reference to FIG.

  The building monitoring and control system according to this embodiment includes a remote I / O device 10-1 as a device information acquisition device connected to the generator activation device 4 and a remote as a control information input device connected to the voltage detector 5. I / O device 10-2, remote I / O device 10-3 as a device information acquisition device connected to the contact circuit breaker 6, and remote as a device information acquisition device connected to the load side circuit breaker 7 respectively I / O devices 10-4a, 4b, and 4c, a local controller 20 as a control device connected to a higher level of the remote I / O device 10, and a central monitoring control device 30 connected to a higher level of the local controller 20 Prepare. Although FIG. 2 shows the case where one local controller 20 is connected to the central monitoring control device 30, a plurality of local controllers may be connected corresponding to each equipment system or the like. FIG. 2 shows the case where four remote I / O devices 10-1 to 10-4 are connected to the local controller 20. However, the number of equipment and sensors to be monitored and controlled is further increased. Many remote I / O devices may be connected.

  The remote I / O device 10-1 transmits a startup command from the local controller 20 to the generator startup device 4, and acquires startup information of the generator 3 as monitoring information from the generator startup device 4 at predetermined time intervals. To the local controller 20.

  The remote I / O device 10-2 acquires voltage measurement values from the voltage detector 5 at predetermined time intervals and transmits them to the local controller 20. The local controller 20 determines whether the acquired voltage measurement value is equal to or greater than a predetermined value.

  The remote I / O device 10-3 transmits an opening / closing command from the local controller 20 to the communication breaker 6 and acquires the switching information of the communication breaker 6 as monitoring information at a predetermined time interval and transmits it to the local controller 20. To do.

  The remote I / O devices 10-4a, 4b, and 4c transmit an opening / closing command from the local controller 20 to the load-side circuit breakers 7a, 7b, and 7c, and open and close the load-side circuit breakers 7a, 7b, and 7c as monitoring information. Information is acquired at predetermined time intervals and transmitted to the local controller 20.

  The local controller 20 monitors monitoring information such as operation state values of each facility device and measurement values of sensors via a plurality of connected remote I / O devices, and the monitoring information and preset automatic control information. Based on this, automatic control is performed so that a plurality of equipments operate in conjunction with each other.

  In this embodiment, the local controller 20 includes the startup information of the generator startup device 4 transmitted from the remote I / O device 10-1 and the voltage measurement value of the voltage detector 5 transmitted from the remote I / O device 10-2. Based on the above, an open / close command for the communication breaker 6 and the load side breakers 7a, 7b, 7c is generated and transmitted to the remote I / O devices 10-3, 10-4a, 4b, 4c.

  Further, when the local controller 20 detects that the monitoring information cannot be acquired from the remote I / O device 10-1 or 10-2, the local controller 20 enables the reception of the alternative monitoring information transmitted from the central monitoring control device 30. Based on this alternative monitoring information, switching is performed so that an open / close command for each circuit breaker 6, 7 a 7 b, 7 c is generated and transmitted to the remote I / O device 10.

  Further, when the local controller 20 further detects that the monitoring information can be acquired from the remote I / O devices 10-1 and 10-2 after enabling the reception of the replacement monitoring information, the replacement is performed. The monitoring information received by the remote I / O devices 10-1 and 10-2 is generated, and an open / close command for each circuit breaker 6, 7a, 7b, 7c is generated based on the monitoring information acquired by the remote I / O devices 10-1 and 10-2. The transmission is switched to the remote I / O device 10.

  The central monitoring control device 30 functions as a display device for displaying monitoring information such as the operation state value of each facility device acquired by the local controller 20 and the measurement value of the sensor in order to provide the monitoring personnel. It has a function as an input device that inputs an operation state value or measurement value of each facility device or sensor by operation and transmits it to the local controller 20.

<Operation of Building Monitoring and Control System According to One Embodiment>
Next, the operation of the building monitoring control system according to the present embodiment will be described with reference to the flowchart of FIG.

  First, when the commercial power source 1 becomes a power failure and the power receiving circuit breaker 2 is opened, the power supply is switched to private power generation. In the remote I / O device 10-1, the startup information of the generator 3 is monitored as monitoring information at predetermined time intervals. It is acquired from the generator activation device 4 and transmitted to the local controller 20 (S1). In the remote I / O device 10-2, voltage measurement values are acquired from the voltage detector 5 as monitoring information at predetermined time intervals, and the local controller (S2), the remote I / O device 10-3 acquires the switching information of the contact breaker 6 as monitoring information at predetermined time intervals and transmits it to the local controller 20 (S3).

  Next, the local controller 20 determines whether or not a load control condition is satisfied (S4). When it is determined that all the conditions are satisfied, load control is started (S5).

  In the load control, the generated power of the generator 3 and the consumed power of the loads 8a to 8c are compared (S6). When the generated power of the generator 3 is smaller than the consumed power of the loads 8a to 8c, it is provided separately. Based on the priority table of the loads 8a to 8c, the load-side circuit breaker 7 connected to the low priority load is opened (S7).

  At this time, if the load control condition is not satisfied, the load control is not started conventionally, and the automatic control is stopped.

  This is because the load control condition is determined based on the monitoring information from the remote I / O devices 10-1 to 10-3, and the load condition is established as an actual equipment device. Load control because the remote I / O devices 10-1 to 10-3 or the signal lines or transmission lines connected to the remote I / O devices 10-1 to 10-3 are abnormal and monitoring information cannot be acquired. It is conceivable that the automatic control stops because the condition is not satisfied.

  Therefore, in the present embodiment, when the load control condition is not satisfied, it is determined whether or not there is a monitoring information transmission abnormality, and when it is determined that the transmission abnormality is detected, the alternative monitoring information is accepted. Then, the automatic control is continued using the input alternative monitoring information.

  In other words, when the local controller 20 determines whether or not the load control condition is satisfied and determines that the load control condition is not satisfied (S4), the remote I / O device 10-1 that is the load control condition determines that the load control condition is not satisfied. It is determined whether the start-up information of the generator 3, the voltage measurement value from the remote I / O device 10-2, and the switching information of the communication breaker 6 from the remote I / O device 10-3 are correctly transmitted ( S8). For example, it can be detected that an abnormality has occurred in the remote I / O device 10 or a signal line or transmission line connected to the remote I / O device 10 because it has not been acquired at a predetermined cycle, and it has been transmitted by itself. It is detected that an abnormality has occurred in the signal line or transmission line connected to the remote I / O devices 10-1 to 10-3 or the remote I / O devices 10-1 to 10-3 due to the difference from the command signal. be able to.

  When it is detected that an abnormality has occurred in the signal line or the transmission line connected to the remote I / O devices 10-1 to 10-3 or the remote I / O devices 10-1 to 10-3, alternative monitoring Acceptance of information is set to a permission state (S9). At this time, it is possible to prevent other normally acquired monitoring information from being erroneously changed by setting the acceptance of the replacement monitoring information to only the monitoring information that is no longer acquired. . For example, when the switching information of the communication circuit breaker 6 is not correctly transmitted, only the switching information of the communication circuit breaker 6 is set in a permission state for accepting alternative switching information.

  Under the control of the local controller 20, information clearly indicating that the acceptance of the alternative switching information regarding the switching information of the communication circuit breaker 6 is permitted is displayed on the central monitoring controller 30, and the switching of the communication circuit breaker 6 is displayed. By clearly indicating that the acceptance of the alternative opening / closing information regarding the information is permitted, the monitoring staff is notified that an abnormality has occurred at the location and the opening / closing information can be manually input.

  The information displayed on the central supervisory control device 30 is confirmed by the supervisor, and as shown in FIG. 4, alternative opening / closing information is manually input from the central supervisory control device 30 in order to perform control based on the automatic control information. Then, it is acquired by the local controller 20 (S10).

  The local controller 20 determines whether or not the load control condition is satisfied based on the acquired alternative opening / closing information (S4), and determines whether or not the load condition based on the actual operating state of the equipment is satisfied. When the load control condition is satisfied, the load control is executed (S5, S6, S7).

  According to the above embodiment, even when an abnormality occurs in the building monitoring control system and the operation state value of the equipment and the measured value of the sensor cannot be acquired, automatic control linked with the equipment is continuously executed. This can reduce the burden on the system administrator. Moreover, even if the supervisor does not understand the contents of complicated automatic control information, automatic control can be continuously executed only by inputting alternative monitoring information.

  In addition, the abnormality generated in the remote I / O devices 10-1 to 10-3 or the signal lines connected to the remote I / O devices 10-1 to 10-3 is resolved, and the local controller 20 returns to the normal state. When the monitoring information can be acquired at the time, the local controller 20 determines that the monitoring system is switched to the transmitted monitoring information and performs the control and sets the acceptance of the replacement monitoring information to the non-permitted state. When there is no control, it is possible to prevent the control using the monitoring information instead of the manual input.

  Further, the case where the alternative monitoring information is switched to the monitoring information transmitted from the remote I / O device 10 by the determination of the local controller 20 when the generated abnormality is resolved and the normal state is restored has been described. Information that clearly indicates that monitoring information can be acquired from the O / O device 10 is displayed on the central monitoring control device 30 so that the monitoring staff can perform an operation of disallowing reception of alternative monitoring information. May be.

  Furthermore, in the output control of the generator (not shown), when the voltage measurement value of the voltage detector 5 is used, when the generated abnormality is resolved and the normal state is restored, the alternative voltage measurement value and When there is a difference between the acquired voltage measurement value and a preset threshold value or more, the voltage measurement value may be changed step by step. By controlling in this way, it is possible to suppress the influence on the control system due to a sudden change in the voltage measurement value.

DESCRIPTION OF SYMBOLS 1 ... Commercial power supply 2 ... Power receiving circuit breaker 3 ... Generator 4 ... Generator starter 5 ... Voltage detector 6 ... Connection circuit breaker 7a, 7b, 7c ... Load side circuit breaker 8a, 8b, 8c ... Load 10-1 -10-4 Remote I / O device 20 Local controller 30 Central monitoring and control device

Claims (5)

A device information acquisition device for acquiring monitoring information of the first equipment in the facility to be monitored and controlled;
A control device for automatically controlling the operation of the second equipment in the facility to be monitored and controlled based on the monitoring information of the first equipment acquired by the device information acquisition device ;
A building monitoring and control system comprising: a display device connected to the control device and displaying the monitoring information acquired by the device information acquisition device ;
When the control device detects that the monitoring information of the first facility cannot be acquired from the device information acquisition device, the control device is allowed to accept the replacement monitoring information of the first facility, and the replacement device acquired thereby Based on the monitoring information, switching to automatically control the operation of the second equipment, and when accepting the replacement monitoring information of the first equipment is in a permitted state, information that clearly indicates the permitted state A monitoring control system characterized by displaying on the display device . When the control device further detects that the monitoring information of the first facility can be acquired from the device information acquisition device after enabling the reception of the replacement monitoring information, the control device The monitoring information reception is disabled, and the operation is switched to automatically control the operation of the second equipment in the monitoring target facility based on the monitoring information of the first equipment acquired by the device information acquisition device. The supervisory control system according to claim 1, wherein When the control device further detects that the monitoring information of the first facility can be acquired from the device information acquisition device after enabling the reception of the replacement monitoring information, the control device The monitoring control system according to claim 2 , wherein the monitoring information is switched in a stepwise manner from monitoring information to monitoring information of the first facility acquired by the device information acquisition device . When the control device further detects that the monitoring information of the first facility can be acquired from the device information acquisition device after enabling the reception of the replacement monitoring information, the control device In order to make the monitor perform an operation of disallowing reception of monitoring information, information indicating that monitoring information can be acquired from the device information acquisition device is displayed on the display device <br / The monitoring control system according to claim 1 , wherein: A step in which the device information acquisition device acquires monitoring information of the first equipment in the facility to be monitored and controlled;
The control device automatically controls the operation of the second equipment in the facility to be monitored and controlled based on the monitoring information of the first equipment acquired by the device information acquisition device;
Displaying the monitoring information acquired by the device information acquisition device on a connected display device; and
When the control device detects that the monitoring information of the first facility cannot be acquired from the device information acquisition device, the control device is allowed to accept the replacement monitoring information of the first facility, and the replacement device acquired thereby Switching to automatically control the operation of the second equipment based on monitoring information;
When the control device is in a permitted state of accepting the replacement monitoring information of the first facility, the step of causing the display device to display information that clearly indicates the permitted state;
A building monitoring control method characterized by comprising:

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