JP4667000B2 - Building management system - Google Patents

Description

  The present invention relates to a building management system that performs monitoring control of equipment in a building.

In the conventional building management system, the equipment device setting information is managed by using paper or an offline equipment ledger system as data collected offline. For example, in the building management support system for the purpose of ledger management disclosed in Patent Document 1, facility setting data and inspection data are stored in a work diary database mounted on a personal computer, and data is input to the work diary database. Manually input information confirmed by the workers offline.

Japanese Patent Laid-Open No. 2002-251443 (pages 2 and 3, FIG. 1)

Since the conventional building management system is configured as described above, when setting or changing information for a facility, the setting information of related devices is checked in advance using a paper ledger or an offline equipment ledger system. It was necessary to determine the setting information after confirming, and then manually set it on the device side. In the above work, it has been very difficult to prevent mistakes due to human factors such as mistakes in selecting related devices, setting information determination errors, and setting errors on the device side.
In addition, when setting work is performed while the main circuit is transmitting power to the load, if there is a lack of confirmation of the current operation status, the circuit breaker may be accidentally opened if the setting is changed. There was also the possibility of a major accident.
In this situation, multiple checks must be performed to prevent human error.
There was a problem that work efficiency was getting worse.

The present invention has been made to solve the above-described problems, and is a building management system that collects facility equipment setting information automatically and creates a database for centralized management, thereby improving the efficiency of facility management operations. The goal is to get a system.

In the building management system according to the present invention, a local controller that monitors and controls the operating state of the equipment installed in the building and collects setting information of the equipment is connected to the local controller via a network. The center server that collects the setting information of the equipment collected by the center server and accumulates in the database, and the monitoring control terminal connected to the center server , in the center server, the specifications and setting information of the equipment are registered in advance, Compare the collected setting information of the equipment with the registered setting information of the equipment of the same specification. If there is a discrepancy, display the collected setting information of the equipment on the monitor control terminal and set the collected equipment settings. It informs of information error .

As described above, the present invention is a local controller that monitors and controls the operating state of equipment installed in a building and collects setting information of equipment, and is connected to the local controller via a network. The center server that collects the setting information of the equipment collected by the center server and accumulates in the database, and the monitoring control terminal connected to the center server , in the center server, the specifications and setting information of the equipment are registered in advance, Compare the collected setting information of the equipment with the registered setting information of the equipment of the same specification. If there is a discrepancy, display the collected setting information of the equipment on the monitor control terminal and set the collected equipment settings. It will inform error of information, reduce the errors due to human factors in the collection of configuration information of the equipment, building It is possible to improve the efficiency of management operations, if the equipment is exchanged also can compare the set value before and after the replacement, to prevent erroneous setting when replacement of the equipment.

Embodiment 1 FIG.
A first embodiment of the present invention will be described below with reference to FIG.
FIG. 1 is a block diagram showing a building management system according to Embodiment 1 of the present invention.
In FIG. 1, the center server 1 is connected to the equipment 5 via a network 10 and a local controller 4 via a network 10. The local controller 4 inputs / outputs a monitoring control signal to / from the facility device 5 to be monitored and controlled, and collects setting information of the facility device 5 in a function for monitoring and controlling the operation state of the facility device 5. It adds a function. The center server 1 automatically collects the setting information of the equipment 5 via the network controller 3 and the local controller 4 and stores it in the database 1a. The accumulated setting information of the equipment 5 is displayed on the screen of the monitoring control terminal 2.

Next, the operation will be described.
Setting values (setting information) set in the equipment 5 are collected by the local controller 4 through communication with the local controller 4. As a communication protocol at this time, an open protocol such as the Internet protocol or LonWorks is used in addition to the original protocol.
Even when the equipment 5 is replaced, the local controller 4 automatically detects and collects the set values. The set values collected for each equipment group are collectively collected by the center server 1 via the network controller 3. As a communication protocol between the network controller 3 and the center server 1, in addition to the original protocol, an Internet protocol, B
An open protocol such as ACnet is used. The set values collected by the center server 1 are accumulated in the database 1a and can be displayed on the screen of the monitoring control terminal 2.
As described above, in the first embodiment, the setting information of the equipment device 5 can be collected and stored in the center server 1 online, and the setting values can be automatically collected even when the equipment device 5 is replaced. Then, the set values before and after replacement of the equipment 5 are accumulated, and the monitoring control terminal 2
By the display request from, it becomes possible to compare and display the accumulated set values before and after replacement of the equipment 5 on the monitoring control terminal 2.

According to the first embodiment, since the setting information of the equipment 5 is automatically collected and stored in the database, errors due to human factors in the collection of the setting information are reduced, and thus the efficiency of building management work is improved. Can be planned.
Also, when the equipment was replaced, the setting values before and after replacement were compared.
An erroneous setting at the time of replacement of the equipment 5 can be prevented.

Embodiment 2. FIG.
The second embodiment of the present invention will be described below with reference to FIG.
In the second embodiment, the setting information of the equipment 5 collected by the center server 1 is checked for an upper limit value and a lower limit value, and setting information that does not deviate from the upper and lower limits is accumulated in the database 1a.
In FIG. 1, the center server 1 is connected to a network controller 3 via a network 10.
And connected to the equipment 5 via the local controller 4. The center server 1 automatically collects the setting information of the equipment 5 via the network controller 3 and the local controller 4, and after checking the upper limit value and the lower limit value, if not deviating from the upper and lower limit values,
Accumulate in database 1a. The accumulated setting information of the equipment 5 is displayed on the screen of the monitoring control terminal 2. Setting information that deviates from the upper and lower limit values is attached with an error flag and is not validated on the system.

According to the second embodiment, it is possible to check the upper limit value and the lower limit value of the setting information of the equipment collected by the center server, and to store the setting information within the range in the database.

Embodiment 3 FIG.
In the first embodiment, the case where the setting values before and after replacement of the equipment 5 are compared and displayed has been described. In the third embodiment, the specifications such as the model name of the equipment 5 are registered in the center server 1. Compare the set values of the collected equipment to the set values of the registered equipment 5 of the same specification, and if the collected equipment is set differently, by displaying it on the monitoring control terminal 2, This is intended to prevent erroneous settings.

According to the third embodiment, specifications such as the model name of the equipment 5 are registered in the center server 1, and the collected setting values of the equipment are compared with the registered settings of the equipment 5 of the same specification. If the collected equipment is set differently, it is possible to prevent erroneous setting by displaying it on the monitoring control terminal 2.

Embodiment 4 FIG.
FIG. 2 is a block diagram showing a building management system according to Embodiment 4 of the present invention.
2, 1 to 4 and 10 are the same as those in FIG. The local controller 4 is connected with a metering meter 6 such as a watt hour meter.

In the first embodiment, the case where the set values before and after replacement of the equipment 5 are compared and displayed has been described. However, in the fourth embodiment, as shown in FIG. 2, the meter 6 such as a watt hour meter is used as the equipment.
Was installed to collect information on the metering meter 6. In this case, the center server 1
Based on information such as IDs that can individually identify the metering meter 6, it is detected that the metering meter 6 has been replaced. Conventionally, when the metering meter is replaced, the operator reads the guideline value before and after the replacement and manually sets it. The center server 1 automatically corrects the guideline correction work before and after the replacement.
That is, the center server 1 stores the multiplying factor and the guideline value of the metering meter before replacement, and calculates the difference between the multiplying factor and the guideline value of the metering meter automatically collected after replacement, Correct the end-of-month indicator value of the metering meter after replacement.

According to the fourth embodiment, this makes it possible to improve work efficiency at the time of exchanging the metering meter and eliminate manual setting, thereby reducing work mistakes.

Embodiment 5. FIG.
FIG. 3 is a block diagram showing a building management system according to Embodiment 5 of the present invention.
In FIG. 3, 1 to 5 and 10 are the same as those in FIG. The local controller 4 is provided with an equipment device increase / decrease monitoring unit 4a for monitoring an increase / decrease in equipment. The equipment 5a added to the equipment 5 is shown.

In the third and fourth embodiments, the comparison processing / correction processing before and after replacement of the equipment that has already been monitored and controlled has been described. In the fifth embodiment, the equipment connected to the local controller 4 via a transmission line is described. By providing the equipment device increase / decrease monitoring unit 4a that monitors the increase / decrease of the equipment 5, when a facility equipment 5a to be monitored and controlled is newly added, this is automatically detected, and setting information of the equipment equipment 5a is obtained. Collected and added to the monitoring control target database 1a.

The facility equipment increase / decrease monitoring unit 4a periodically performs health check communication with the equipment connected to the transmission line, and monitors the response of the equipment. When a new equipment is installed, a response message is received from the equipment not defined in the local controller 4 in this health check communication. Therefore, the newly installed equipment 5a can be detected. it can. The local controller 4 sends a definition information transmission request to the detected new equipment 5a, and registers the newly installed equipment 5a as a management target equipment based on the received definition information. The center server 1 also registers the newly installed equipment 5a as a management target device in the database 1a. After this registration, it is handled in the same way as the existing equipment 5, and the monitoring control data is communicated between the center server 1 and the equipment 5 via the local controller 4 and monitoring control is performed.
In a conventional building management system, a management device address is assigned to a management target device to which a designer or user is added, and definition information such as device name, measurement range, unit, and measurement pulse multiplication factor are all manually created. I was registered. Therefore, there are problems such as duplicating device addresses and registering incorrect definition information.

In the fifth embodiment, when the added equipment device 5a is detected by the equipment device increase / decrease monitoring unit 4a, the device address is automatically assigned and the definition information collected from the equipment device 5a is registered. While mitigating, it is possible to prevent registration errors as described above.
In addition to registering as a management target device in the database 1a, an appropriate screen display symbol is automatically generated based on information such as a device type code, a sequence number, and a measurement unit included in the definition information of the facility device 5a. It is also possible to assign and automatically register it on a list-type monitoring control screen.
Moreover, not only when the equipment 5a is added, but also when the equipment 5 is deleted, this is automatically detected, and the deleted equipment 5 is automatically detected from the database 1a and the monitoring control screen. The registration work of the building management system database 1a associated with the removal of the equipment 5 can be greatly reduced.

According to the fifth embodiment, when facility equipment is added and deleted, it can be automatically registered and deleted in the database of the building management system, and the manual and manual operations for these registration and deletion can be greatly reduced. Can do.

Embodiment 6 FIG.
FIG. 4 is a block diagram showing a building management system according to Embodiment 6 of the present invention.
In FIG. 4, 1 to 5 are the same as those in FIG. The local controller 4 is connected to a protection device 7 for receiving and transforming equipment, and detects accidents such as eddy currents and ground faults. The protective device 7 is connected to a circuit breaker 8 or the like, and the circuit breaker is opened in accordance with a command from the protective device 7, thereby disconnecting the accident point from the power transmission system and suppressing the expansion of the influence of the accident.

In the first embodiment, the case where the set values before and after replacement of the equipment are compared and displayed has been described. However, in the sixth embodiment, as shown in FIG. 4, a protection device 7 for the receiving / transforming equipment is installed as the equipment. The setting information of the protection device 7 is set and changed online from the monitoring control terminal 2 via the network controller 3 and the local controller 4.
The protection device 7 may be a single-function protection device or a composite protection device having a plurality of protection functions. The settling information refers to a tap value, a dial value, or the like of the protection device 7. When setting information is set or changed in the protection device 7, the set information is automatically read online from the protection device 7 as a result of the work, and the work result is confirmed by the monitoring control terminal 2. You can also.

When setting / changing the settling information of the protection device 7, the information stored in advance can be displayed on the center server 1 to reduce setting work errors. Specifically, it is displayed on the screen of the monitoring control terminal 2, and setting information is set and changed from this screen. The settling information input from the screen is transmitted to the protection device 7 via the center server 1, the network controller 3, and the local controller 4. Based on this, the setting information of the protection device 7 is set and changed.
Further, when performing the setting work on the protection device 7, the work can be performed only when, for example, the main circuit is out of power according to the state of the main circuit protected by the target protection device 7. Limits may be provided. When setting is performed while the main circuit is transmitting power to the load, when the setting is changed and the circuit breaker is set to be released, it is determined from the current value of the main circuit, etc. Alarms can be made to prevent accidents due to setting mistakes.

Further, in the second embodiment, the monitoring based on the upper and lower limit values of the setting information has been described. Even when the settling information is changed from the monitoring control terminal 2, the upper and lower limit values are automatically set based on the setting and changing work results. The setting information may be changed to an appropriate value.

Moreover, in Embodiment 3, although the case where it alarmed when the setting value differs about the apparatus of the same specification was described, when setting and changing the settling information of the protective device 7 from the monitoring control terminal 2, it is the same specification. Compared with the device, an alarm can be issued before the information is actually transmitted to the protection device 7, and the setting work mistake can be reduced.

In the sixth embodiment, the case of setting and changing the setting information of the protection device 7 of the power receiving / transforming equipment has been described. However, the setting parameter of the generator or the uninterruptible power supply, the multiplier of the watt hour meter, etc. may be used.
The same effect as the protective device is achieved.

According to the sixth embodiment, settling information such as the protection device 7 of the power receiving / transforming equipment can be set and changed online from the monitoring control terminal 2 via the network controller 3 and the local controller 4.

Embodiment 7 FIG.
FIG. 5 is a block diagram showing a building management system according to Embodiment 7 of the present invention.
In FIG. 5, 1 to 5 are the same as those in FIG. An equipment ledger management apparatus 9 for automatically registering and updating in the equipment ledger is connected to the center server 1 via a network.

In the first embodiment, the case where the set values before and after replacement of the equipment are compared and displayed has been described. However, in the seventh embodiment, as shown in FIG. 5, the setting information of various equipment collected in the center server 1 Is added dynamically, and an equipment ledger management device 9 that can automatically register and update the equipment ledger has been added. Thereby, conventionally, the setting information of each facility device that has been registered and updated in the equipment ledger can be automatically registered and updated in the equipment ledger by manual input.

According to the seventh embodiment, since the equipment ledger management apparatus is provided, conventionally, registration is performed manually.
The updated setting information of each equipment can be automatically registered and updated in the equipment ledger.

It is a block diagram which shows the building management system by Embodiment 1 of this invention. It is a block diagram which shows the building management system by Embodiment 4 of this invention. It is a block diagram which shows the building management system by Embodiment 5 of this invention. It is a block diagram which shows the building management system by Embodiment 6 of this invention. It is a block diagram which shows the building management system by Embodiment 7 of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Center server 1a Database 2 Monitoring control terminal 3 Network controller 4 Local controller 4a Equipment apparatus increase / decrease monitoring part 5 Equipment equipment 5a Added equipment equipment 6 Metering meter 7 Protection device 8 Circuit breaker 9 Equipment ledger management apparatus 10 Network

Claims (5)

A local controller that monitors and controls the operating status of equipment installed in the building and collects the setting information of the equipment.
A center server that is connected to the local controller via a network, collects the setting information of the equipment collected by the local controller, and stores it in a database,
And a monitoring control terminal connected to the center server,
In the center server, the specification and setting information of the equipment is registered in advance, and the collected setting information of the equipment is compared with the registered setting information of the equipment of the same specification. The building management system is characterized in that the setting information of the installed equipment is displayed on the monitor / control terminal and an error in the collected setting information of the equipment is reported . The equipment is a weighing meter, and when the center server detects the replacement of the weighing meter, the center server calculates the difference between the multiplication factor and the pointer value before and after the replacement of the weighing meter, thereby measuring the weight after the replacement. claim 1 Symbol mounting building management system and corrects the pointer value of the meter. The local controller has an equipment device increase / decrease monitoring unit that detects addition and deletion of the equipment, and when the equipment device increase / decrease monitoring unit detects an increase / decrease in the equipment, the local controller notifies the center server, The center server that receives the notification registers in the database as a management target device when the facility device is added, and deletes the facility device from the database when the facility device is deleted. The building management system according to claim 1 or 2 . The building management system according to any one of claims 1 to 3 , wherein the monitoring control terminal sets and changes setting information in the facility device via a network. From the center server, the equipment dynamically obtain configuration information of the device, to one of the claims 1 to 4, characterized in that it comprises a facility ledger management apparatus for registering and updating of the equipment ledger The building management system described.

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