WO2014002635A1 - Concentrated controller - Google Patents

Concentrated controller Download PDF

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Publication number
WO2014002635A1
WO2014002635A1 PCT/JP2013/063667 JP2013063667W WO2014002635A1 WO 2014002635 A1 WO2014002635 A1 WO 2014002635A1 JP 2013063667 W JP2013063667 W JP 2013063667W WO 2014002635 A1 WO2014002635 A1 WO 2014002635A1
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WO
WIPO (PCT)
Prior art keywords
centralized controller
main body
lan port
port
lan
Prior art date
Application number
PCT/JP2013/063667
Other languages
French (fr)
Japanese (ja)
Inventor
祥一 蓮池
岡田　良平
Original Assignee
ダイキン工業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ダイキン工業株式会社 filed Critical ダイキン工業株式会社
Priority to CN201380030873.0A priority Critical patent/CN104380003B/en
Publication of WO2014002635A1 publication Critical patent/WO2014002635A1/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/56—Remote control
    • F24F11/58—Remote control using Internet communication
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/52—Indication arrangements, e.g. displays
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/54—Control or safety arrangements characterised by user interfaces or communication using one central controller connected to several sub-controllers

Definitions

  • the present invention relates to a centralized controller.
  • a centralized controller for centrally managing a plurality of equipment installed in an office building has been used.
  • the centralized controller is connected to a terminal for remotely monitoring and remotely operating equipment such as an air conditioner and lighting as disclosed in Patent Document 1 (Japanese Patent Laid-Open No. 2003-307335) via a network. ing.
  • the centralized controller connected to the network is provided with, for example, a LAN port for attaching a LAN cable connector.
  • An object of the present invention is to provide a centralized controller that can efficiently perform maintenance work.
  • the centralized controller is installed in an office building and centrally manages a plurality of equipment including at least an air conditioner.
  • the centralized controller includes a main body, a mounting portion, a display, a first LAN port, and a second LAN port.
  • An attachment part is a member for attaching and installing a main body to a wall surface.
  • the display is arranged in front of the main body and is a touch panel type.
  • the first LAN port is disposed on the back surface of the main body, and a LAN cable connector used for connection to a remote management device that remotely manages equipment is mounted.
  • the second LAN port is disposed on a surface other than the back surface of the main body, and a LAN cable connector used for connection with the equipment is attached.
  • the second LAN port is arranged on a surface other than the back surface of the main body, such as the front surface of the main body, and is used during maintenance work.
  • the second LAN port is arranged at a location accessible from the front side of the main body. Therefore, the LAN cable connector can be easily attached to and detached from the second LAN port during maintenance work. Therefore, the centralized controller according to the first aspect can efficiently perform maintenance work.
  • the centralized controller according to the second aspect of the present invention is the centralized controller according to the first aspect, and further includes a changeover switch for switching between the first mode and the second mode.
  • the first mode is a mode in which the first LAN port is valid and the second LAN port is invalid.
  • the second mode is a mode in which the first LAN port is invalid and the second LAN port is valid.
  • the centralized controller according to the second aspect includes a changeover switch for enabling one of the first LAN port and the second LAN port and disabling the other. The maintenance worker can operate the changeover switch to switch to the first mode in which only the first LAN port is valid during normal operation, and to switch to the second mode in which only the second LAN port is valid during maintenance work.
  • the centralized controller can perform maintenance work more efficiently.
  • a centralized controller is the centralized controller according to the second aspect, and further includes a second mode prevention mechanism.
  • the second mode prevention mechanism prevents the changeover switch from being in the second mode.
  • the centralized controller according to the third aspect can prohibit the second mode in which only the second LAN port is enabled by the second mode prevention mechanism except during maintenance work. Thereby, the use of the second LAN port during normal operation can be prohibited. Therefore, the centralized controller according to the third aspect can prevent a maintenance worker from making mistakes during maintenance work.
  • a centralized controller according to a fourth aspect of the present invention is the centralized controller according to the third aspect, further comprising a port cover.
  • the port cover covers the second LAN port from the front side of the main body.
  • the port cover can be attached to and detached from the main body. Since the centralized controller according to the fourth aspect includes a port cover that covers the second LAN port, a user of the centralized controller other than the maintenance worker is prevented from using the second LAN port. Therefore, the centralized controller according to the fourth aspect can prevent user errors during normal operation.
  • a centralized controller according to a fifth aspect of the present invention is the centralized controller according to the fourth aspect, and the second mode prevention mechanism is a cover attachment prevention mechanism that prevents the port cover from being attached to the main body.
  • the centralized controller according to the fifth aspect prevents the port cover covering the second LAN port from being attached to the main body in the second mode in which only the second LAN port is enabled.
  • the maintenance worker can switch the centralized controller from the second mode to the first mode without forgetting after the maintenance work of the centralized controller is completed. Therefore, the centralized controller according to the fifth aspect can prevent the maintenance worker from making mistakes during the maintenance work.
  • a centralized controller according to a sixth aspect of the present invention is the centralized controller according to any one of the first to fifth aspects, and the second LAN port is disposed in front of the main body.
  • the centralized controller according to the sixth aspect since the second LAN port is disposed on the front surface of the main body, the maintenance worker can easily access the second LAN port. Therefore, the centralized controller according to the sixth aspect can perform maintenance work more efficiently.
  • the centralized controller according to the first aspect of the present invention can efficiently perform maintenance work.
  • the centralized controller according to the second and sixth aspects of the present invention can perform maintenance work more efficiently.
  • the centralized controller according to the third and fifth aspects of the present invention can prevent a maintenance worker from making mistakes during maintenance work.
  • the centralized controller according to the fourth aspect of the present invention can prevent user mistakes during normal operation.
  • the refrigeration apparatus management system 100 is a system that manages the air conditioning apparatus 10 as a refrigeration apparatus installed in an office building 90.
  • the refrigeration apparatus management system 100 is a system that centrally monitors and controls the air conditioner 10 at a location away from the installation location of the air conditioner 10.
  • (1) Overall Configuration of Refrigeration Device Management System As shown in FIG. 1, the refrigeration device management system 100 mainly includes an air conditioner 10, a centralized controller 20, and a remote management device 30.
  • a plurality of air conditioners 10 are installed in the office building 90.
  • the centralized controller 20 is a device for centrally monitoring and controlling the plurality of air conditioners 10.
  • the centralized controller 20 is installed in an administrator room of the office building 90 or the like.
  • the centralized controller 20 is connected to the air conditioner 10 by a dedicated line 70.
  • the remote management device 30 is a server installed in the remote management center 13 in the office building 90.
  • the remote management device 30 is connected to the centralized controller 20 through a LAN cable 80 by wire using the intranet 60 of the office building 90.
  • the remote management device 30 is a device for monitoring and controlling the air conditioner 10 by accessing the centralized controller 20 via the intranet 60.
  • An administrator of the refrigeration apparatus management system 100 can transmit a command for causing the air conditioner 10 to execute a predetermined operation mode from the centralized controller 20 or the remote management apparatus 30.
  • the predetermined operation modes are, for example, a cooling operation mode, a heating operation mode, and an inspection mode.
  • each component of the refrigeration apparatus management system 100 will be described.
  • (2) Configuration of Air Conditioner As shown in FIG. 2, the air conditioner 10 is mainly composed of one outdoor unit 11 and a plurality of indoor units 12 connected to the outdoor unit 11. A maximum of 64 indoor units 12 can be connected to one outdoor unit 11. That is, one refrigerant circuit is composed of one outdoor unit 11 and a maximum of 64 indoor units 12.
  • the air conditioner 10 configures a refrigerant circuit as a whole that includes a compressor, a heat exchanger, and the like (not shown).
  • the outdoor unit 11 and the indoor unit 12 are connected by a dedicated line 70 and a refrigerant pipe (not shown).
  • the centralized controller 20 mainly includes a main body 21, a mounting portion 22, a display 23, a first LAN port 24, and a second LAN port 25.
  • the switch 26, the port cover 28, and the cover attachment prevention mechanism 27 are configured.
  • the second LAN port 25 and the changeover switch 26 are covered with the port cover 28 and are in an invisible position.
  • the cover attachment prevention mechanism 27 is a boss 27 formed on the port cover 28.
  • the centralized controller 20 is embedded and installed in a wall surface 40 such as a manager room of an office building 90.
  • a user of the centralized controller 20 such as an administrator of the office building 90 can operate the centralized controller 20 embedded in the wall surface 40 to centrally monitor and control the plurality of air conditioners 10.
  • the main body 21 is a plastic casing of the centralized controller 20.
  • the main body 21 is provided with a mounting portion 22, a display 23, a first LAN port 24, a second LAN port 25, a changeover switch 26, and a port cover 28.
  • the port cover 28 can be detached from the main body 21 and can be attached to the main body 21.
  • FIG. 4 shows the centralized controller 20 with the port cover 28 removed.
  • the centralized controller 20 has a storage unit, a control unit, and the like (not shown) inside the main body 21.
  • the storage unit is a ROM, a RAM, a hard disk, or the like that stores data and programs used for management of the air conditioning apparatus 10.
  • the storage unit stores operation data, an operation schedule, and the like of the air conditioner 10.
  • the control unit is a CPU or the like that executes a program stored in the storage unit and processes predetermined data.
  • the mounting portion 22 is made of metal or resin used to fix the main body 21 to the wall surface 40 when the centralized controller 20 is embedded in the wall surface 40 of a manager's room or the like of the office building 90. It is a member. As shown in FIG. 6, the attachment portion 22 is fixedly attached to the main body 21. At the upper and lower ends of the attachment portion 22, attachment pieces 22a are provided so as to face each other. The attachment piece 22a is attached to the wall surface 40 with screws or the like. (3-3) Display The display 23 is a touch panel type device arranged in the main body 21.
  • FIG. 5 shows the centralized controller 20 viewed from the rear.
  • the display 23 has functions as a display device and an input device of the centralized controller 20.
  • the centralized controller 20 can display the management setting screen of the air conditioner 10 as shown in FIGS. 3 and 4 on the display 23.
  • First LAN Port A connector of a LAN cable 80 for connecting the centralized controller 20 and the intranet 60 is attached to the first LAN port 24.
  • the first LAN port 24 is disposed on the back surface of the main body 21. Therefore, during normal operation of the refrigeration apparatus management system 100, that is, in a state where the centralized controller 20 is embedded in the wall surface 40 such as a management room of the office building 90, the user of the centralized controller 20
  • the LAN cable 80 attached to the first LAN port 24 cannot be seen.
  • the connector of the LAN cable 80 attached to the first LAN port 24 is not removed from the first LAN port 24 during both normal operation and maintenance work of the refrigeration apparatus management system 100.
  • the second LAN port 25 is disposed in front of the main body 21. Similar to the first LAN port 24, the second LAN port 25 is a port to which a LAN cable connector can be attached. During normal operation of the refrigeration apparatus management system 100, the second LAN port 25 is covered with a port cover 28. The second LAN port 25 is used during maintenance work of the refrigeration apparatus management system 100. A maintenance worker of the refrigeration apparatus management system 100 attaches a LAN cable connector to the second LAN port 25 in order to temporarily connect his / her maintenance terminal and the centralized controller 20 via the LAN cable. Normally, the maintenance worker of the refrigeration apparatus management system 100 is not the user of the centralized controller 20.
  • the changeover switch 26 is disposed in front of the main body 21. During normal operation of the refrigeration apparatus management system 100, the changeover switch 26 is covered with a port cover 28.
  • the changeover switch 26 is a switch for enabling one of the first LAN port 24 and the second LAN port 25 and disabling the other. Specifically, it is possible to switch between the central controller 20 in the first mode and the central controller 20 in the second mode by operating the changeover switch 26. In the central controller 20 in the first mode, the first LAN port 24 is enabled and the second LAN port 25 is disabled. In the central controller 20 in the second mode, the first LAN port 24 is disabled and the second LAN port 25 is enabled.
  • the changeover switch 26 has a convex portion 26a that can move in the horizontal direction.
  • the convex portion 26a of the changeover switch 26 is located on the left side in the first mode, and is located on the right side in the second mode.
  • a maintenance worker of the refrigeration apparatus management system 100 can manually perform the switching operation of the changeover switch 26.
  • the maintenance worker of the refrigeration apparatus management system 100 switches the changeover switch 26 from the first mode to the second mode at the start of the maintenance work of the refrigeration apparatus management system 100, and sets the changeover switch 26 to the first when the maintenance work is completed. Switch from 2 mode to 1st mode.
  • the centralized controller 20 is in the first mode.
  • a connector of a LAN cable 80 connected to the intranet 60 is attached to the first LAN port 24.
  • the centralized controller 20 is in the second mode.
  • a connector of a LAN cable 80 connected to the intranet 60 is attached to the first LAN port 24, and the second LAN port 24 is connected to a maintenance work terminal of a maintenance worker of the refrigeration apparatus management system 100.
  • a LAN cable connector is attached.
  • the port cover 28 is a member that covers the second LAN port 25 and the changeover switch 26.
  • the port cover 28 is attached to the front side of the main body 21.
  • the port cover 28 has the same color and material as the main body 21 or similar to the main body 21.
  • FIG. 7 is an external view of the port cover 28 attached to the main body 21 as viewed from the back side of the main body 21.
  • the surface that becomes invisible when attached to the main body 21 is referred to as the “back surface” of the port cover 28.
  • a boss 27, which is a cover attachment prevention mechanism 27 described later, is formed.
  • the second LAN port 25 and the changeover switch 26 are covered with a port cover 28.
  • the person who removes the port cover 28 from the main body 21 is only the maintenance worker of the refrigeration apparatus management system 100. That is, only the maintenance worker accesses the second LAN port 25 and the changeover switch 26 of the centralized controller 20.
  • FIGS. 8 to 10 are views of the main body 21 of the centralized controller 20 as viewed from below.
  • the cover attachment prevention mechanism 27 is a boss 27 formed on the back surface of the port cover 28.
  • the boss 27 is a protrusion disposed on the back surface of the port cover 28.
  • the boss 27 of the port cover 28 is disposed at a position that interferes with the changeover switch 26.
  • the centralized controller 20 is in the second mode, that is, when the convex portion 26a of the changeover switch 26 is located on the right side, as shown in FIG.
  • the tip of the portion 26 a is in a position where it contacts the tip of the boss 27 of the port cover 28.
  • the boss 27 of the port cover 28 is a cover attachment prevention mechanism 27 that prevents the port cover 28 from being attached to the central controller 20 in the second mode. Further, the boss 27 of the port cover 28 prevents the second operator from forgetting to switch the centralized controller 20 from the second mode to the first mode after the maintenance work of the refrigeration apparatus management system 100 is completed.
  • Mechanism 27. (4) Configuration of Remote Management Device The remote management device 30 is a server having a function of accessing the centralized controller 20 via the intranet 60 of the office building 90 to centrally monitor and control the air conditioner 10. Similar to the centralized controller 20, the remote management device 30 has a storage unit, a control unit, and the like.
  • the storage unit is a ROM, a RAM, a hard disk, or the like that stores data and programs used for management of the air conditioning apparatus 10.
  • the storage unit stores, for example, operation data and an operation schedule of the air conditioner 10.
  • the control unit is a CPU or the like that executes a program stored in the storage unit and processes data.
  • the remote management device 30 issues an operation control command to the air conditioner 10 via the centralized controller 20 to control the operation of the air conditioner 10.
  • the centralized controller 20 is used to remotely monitor and remotely operate the plurality of air conditioners 10 from the remote management apparatus 30 via the intranet 60 of the office building 90.
  • the centralized controller 20 includes a first LAN port 24 and a second LAN port 25 having the same function.
  • the first LAN port 24 is disposed on the back surface of the main body 21 and is used for connection between the centralized controller 20 and the intranet 60 during normal operation of the refrigeration apparatus management system 100. Since the centralized controller 20 is a device embedded in the wall surface 40 such as a manager's room of the office building 90, the user of the centralized controller 20 looks at the first LAN port 24 during normal operation of the refrigeration apparatus management system 100. I can't.
  • the centralized controller 20 includes a changeover switch 26 for enabling one of the first LAN port 24 and the second LAN port 25 and disabling the other.
  • a maintenance worker of the refrigeration apparatus management system 100 can easily switch between the central controller 20 in the first mode and the central controller 20 in the second mode by operating the changeover switch 26.
  • the maintenance worker removes the centralized controller 20 embedded in the wall surface 40 of the manager room of the office building 90 from the wall surface 40, removes the connector of the LAN cable 80 from the first LAN port 24, and performs a maintenance work terminal. There is no need to perform a series of operations of attaching another LAN cable for connection to the first LAN port 24.
  • the maintenance worker can easily disable the first LAN port 24 and enable the second LAN port 25 by operating the changeover switch 26 to switch the centralized controller 20 from the first mode to the second mode. can do. Therefore, the maintenance worker operates the changeover switch 26 to temporarily switch to the second mode, and only performs the work of attaching the LAN cable for connecting to the maintenance work terminal to the second LAN port 25. It can be performed. Therefore, the centralized controller 20 according to the present embodiment can perform maintenance work more efficiently.
  • the second LAN port 25 and the changeover switch 26 are covered with the port cover 28 during normal operation of the refrigeration apparatus management system 100.
  • the maintenance worker removes the port cover 28 from the main body 21 and operates the changeover switch 26 to switch the centralized controller 20 from the first mode to the second mode.
  • the maintenance worker operates the changeover switch 26 to switch the centralized controller 20 from the second mode to the first mode, and the port cover 28 to the main body 21.
  • Install By attaching the port cover 28 to the main body 21, a user of the centralized controller 20 other than the maintenance worker is prevented from using the second LAN port 25 and the changeover switch 26. Therefore, the centralized controller 20 according to the present embodiment can prevent user mistakes during normal operation.
  • the boss 27 formed on the port cover 28 prevents the port cover 28 from being attached to the main body 21 in a state where the convex portion 26a of the changeover switch 26 is in the second mode position. To do. That is, the maintenance worker of the refrigeration apparatus management system 100 cannot attach the port cover 28 to the main body 21 in a state where the centralized controller 20 is in the second mode. Thereby, the maintenance operator can switch the centralized controller 20 from the second mode to the first mode without forgetting after the maintenance work is completed. Therefore, the centralized controller 20 according to this embodiment can prevent a maintenance worker from making mistakes during maintenance work.
  • the refrigeration apparatus management system 100 is a system that centrally monitors and controls the air conditioning apparatus 10 using the centralized controller 20.
  • the centralized controller 20 according to the present embodiment may be used in a system that centrally monitors and controls not only the air conditioner 10 but also equipment other than the air conditioner 10.
  • the second LAN port 25 of the centralized controller 20 is disposed on the front surface of the main body 21. However, if the second LAN port 25 is a part other than the back surface of the main body 21 and can be accessed in a state where the centralized controller 20 is embedded in the wall surface 40, the second LAN port 25 is arranged in another part of the main body 21. May be. For example, the second LAN port 25 may be disposed on the side surface of the main body 21.
  • the remote management apparatus 30 is connected to one centralized controller 20 installed in an office building 90, as shown in FIG. However, the remote management device 30 may be connected to a plurality of centralized controllers 20 installed in the office building 90. The remote management device 30 may be connected to the centralized controller 20 installed in each of the plurality of office buildings 90.
  • the remote management apparatus 30 is installed in an office building 90 and is connected to the centralized controller 20 via an intranet 60.
  • the remote management device 30 may be installed in a property other than the office building 90 and connected to the centralized controller 20 of the office building 90 via the Internet and a telephone line.
  • the centralized controller according to the present invention can efficiently perform maintenance work.
  • Centralized Controller 21 Main Body 22 Mounting Portion 23 Display 24 First LAN Port 25 Second LAN Port 26 Changeover Switch 27 Boss (Second Mode Prevention Mechanism) 28 Port cover 27 Boss (Cover attachment prevention mechanism) 30 Remote management device

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

A concentrated controller (20) is installed in an office building (90), and concentratedly manages multiple pieces of equipment including at least an air-conditioning device (10). The concentrated controller (20) is provided with a main body (21), an attachment part (22), a display (23), a first LAN port (24), and a second LAN port (25). The attachment part (22) is a member for attaching and installing the main body (21) onto a wall surface. The display (23) is disposed on the front surface of the main body (21) and is of a touch panel type. The first LAN port (24) is disposed in the back surface of the main body (21), and a connector of a LAN cable (80) used for connection with a remote management device (30) for remotely managing the equipment is mounted thereto. The second LAN port (25) is disposed in a surface other than the back surface of the main body (21). The connector of the LAN cable (80) can be mounted to the second LAN port (25) from the front surface side of the main body (21).

Description

集中コントローラCentralized controller
　本発明は、集中コントローラに関する。 The present invention relates to a centralized controller.
　従来、オフィスビル内に設置される複数の設備機器を集中的に管理するための集中コントローラが用いられている。集中コントローラは、特許文献１（特開２００３－３０７３３５号公報）に開示されるように、空気調和装置および照明等の設備機器を遠隔監視および遠隔操作するための端末に、ネットワークを介して接続されている。ネットワークに接続される集中コントローラには、例えば、ＬＡＮケーブルのコネクタを装着するためのＬＡＮポートが設けられている。 Conventionally, a centralized controller for centrally managing a plurality of equipment installed in an office building has been used. The centralized controller is connected to a terminal for remotely monitoring and remotely operating equipment such as an air conditioner and lighting as disclosed in Patent Document 1 (Japanese Patent Laid-Open No. 2003-307335) via a network. ing. The centralized controller connected to the network is provided with, for example, a LAN port for attaching a LAN cable connector.
　しかし、集中コントローラが壁面に埋め込まれて設置される機器である場合、通常、外観を考慮して、ＬＡＮポートは集中コントローラ本体の背面に設けられている。そのため、集中コントローラの保守作業を実施する際には、壁面に埋め込まれている集中コントローラを取り外してＬＡＮケーブルの配線を行う必要があり、効率的に作業することが困難であった。
　本発明の目的は、保守作業を効率的に実施することができる集中コントローラを提供することである。 However, when the centralized controller is a device that is installed embedded in a wall surface, the LAN port is usually provided on the back of the centralized controller body in consideration of the appearance. For this reason, when performing maintenance work on the centralized controller, it is necessary to remove the centralized controller embedded in the wall surface and perform LAN cable wiring, which makes it difficult to work efficiently.
An object of the present invention is to provide a centralized controller that can efficiently perform maintenance work.
　本発明の第１観点に係る集中コントローラは、オフィスビル内に設置され、かつ、少なくとも空気調和装置を含む複数の設備機器を集中的に管理する。集中コントローラは、本体と、取付部と、ディスプレイと、第１ＬＡＮポートと、第２ＬＡＮポートとを備える。取付部は、本体を壁面に取り付けて設置するための部材である。ディスプレイは、本体の正面に配置され、タッチパネル式である。第１ＬＡＮポートは、本体の背面に配置され、設備機器を遠隔から管理する遠隔管理装置との接続に用いられるＬＡＮケーブルのコネクタが装着される。第２ＬＡＮポートは、本体の背面以外の面に配置され、設備機器との接続に用いられるＬＡＮケーブルのコネクタが装着される。第２ＬＡＮポートは、本体の正面側から、ＬＡＮケーブルのコネクタを装着することができる。
　第１観点に係る集中コントローラは、設備機器を遠隔監視および遠隔操作するための端末である遠隔管理装置にＬＡＮケーブルを介して接続され、ＬＡＮケーブルのコネクタが装着される第１ＬＡＮポートおよび第２ＬＡＮポートを備える。第１ＬＡＮポートおよび第２ＬＡＮポートは、同一の機能を有し、集中コントローラの本体の互いに異なる場所に配置されている。第１ＬＡＮポートは、本体の背面に配置され、通常運用時において使用される。集中コントローラが壁面に埋め込まれて設置される機器である場合、通常運用時には第１ＬＡＮポートは外部からは見えない。一方、第２ＬＡＮポートは、本体の正面等、本体の背面以外の面に配置され、保守作業時において使用される。第２ＬＡＮポートは、本体の正面側からアクセス可能な場所に配置されている。そのため、保守作業時において、容易に、ＬＡＮケーブルのコネクタを第２ＬＡＮポートに装着し、また、第２ＬＡＮポートから取り外すことができる。従って、第１観点に係る集中コントローラは、保守作業を効率的に実施することができる。 The centralized controller according to the first aspect of the present invention is installed in an office building and centrally manages a plurality of equipment including at least an air conditioner. The centralized controller includes a main body, a mounting portion, a display, a first LAN port, and a second LAN port. An attachment part is a member for attaching and installing a main body to a wall surface. The display is arranged in front of the main body and is a touch panel type. The first LAN port is disposed on the back surface of the main body, and a LAN cable connector used for connection to a remote management device that remotely manages equipment is mounted. The second LAN port is disposed on a surface other than the back surface of the main body, and a LAN cable connector used for connection with the equipment is attached. A LAN cable connector can be attached to the second LAN port from the front side of the main body.
A centralized controller according to a first aspect is connected to a remote management device, which is a terminal for remotely monitoring and remotely operating equipment, via a LAN cable, and a first LAN port and a second LAN port to which a LAN cable connector is attached Is provided. The first LAN port and the second LAN port have the same function and are arranged at different locations on the main body of the centralized controller. The first LAN port is disposed on the back of the main body and is used during normal operation. When the centralized controller is a device that is embedded in a wall surface, the first LAN port is not visible from the outside during normal operation. On the other hand, the second LAN port is arranged on a surface other than the back surface of the main body, such as the front surface of the main body, and is used during maintenance work. The second LAN port is arranged at a location accessible from the front side of the main body. Therefore, the LAN cable connector can be easily attached to and detached from the second LAN port during maintenance work. Therefore, the centralized controller according to the first aspect can efficiently perform maintenance work.
　本発明の第２観点に係る集中コントローラは、第１観点に係る集中コントローラであって、第１モードと第２モードとを切り替える切替スイッチをさらに備える。第１モードは、第１ＬＡＮポートが有効であり、第２ＬＡＮポートが無効であるモードである。第２モードは、第１ＬＡＮポートが無効であり、第２ＬＡＮポートが有効であるモードである。
　第２観点に係る集中コントローラは、第１ＬＡＮポートおよび第２ＬＡＮポートのいずれか一方を有効にし、他方を無効にするための切替スイッチを備える。保守作業者は、切替スイッチを操作して、通常運用時には第１ＬＡＮポートのみが有効である第１モードに切り替え、保守作業時には第２ＬＡＮポートのみが有効である第２モードに切り替えることができる。これにより、集中コントローラを壁面から取り外して第１ＬＡＮポートからＬＡＮケーブルのコネクタを取り外す作業を行うことなく、第１ＬＡＮポートを一時的に無効にして、保守作業用の端末が接続されているＬＡＮケーブルのコネクタを第２ＬＡＮポートに装着することができる。従って、第２観点に係る集中コントローラは、保守作業をより効率的に実施することができる。 The centralized controller according to the second aspect of the present invention is the centralized controller according to the first aspect, and further includes a changeover switch for switching between the first mode and the second mode. The first mode is a mode in which the first LAN port is valid and the second LAN port is invalid. The second mode is a mode in which the first LAN port is invalid and the second LAN port is valid.
The centralized controller according to the second aspect includes a changeover switch for enabling one of the first LAN port and the second LAN port and disabling the other. The maintenance worker can operate the changeover switch to switch to the first mode in which only the first LAN port is valid during normal operation, and to switch to the second mode in which only the second LAN port is valid during maintenance work. Thus, without removing the central controller from the wall surface and removing the LAN cable connector from the first LAN port, the first LAN port is temporarily disabled, and the LAN cable to which the maintenance terminal is connected is connected. A connector can be attached to the second LAN port. Therefore, the centralized controller according to the second aspect can perform maintenance work more efficiently.
　本発明の第３観点に係る集中コントローラは、第２観点に係る集中コントローラであって、第２モード防止機構をさらに備える。第２モード防止機構は、切替スイッチが第２モードにある状態を防止する。
　第３観点に係る集中コントローラは、第２モード防止機構によって、第２ＬＡＮポートのみが有効になっている第２モードを保守作業時以外において禁止することができる。これにより、通常運用時における第２ＬＡＮポートの使用を禁止することができる。従って、第３観点に係る集中コントローラは、保守作業時における保守作業者のミスを防止することができる。 A centralized controller according to a third aspect of the present invention is the centralized controller according to the second aspect, and further includes a second mode prevention mechanism. The second mode prevention mechanism prevents the changeover switch from being in the second mode.
The centralized controller according to the third aspect can prohibit the second mode in which only the second LAN port is enabled by the second mode prevention mechanism except during maintenance work. Thereby, the use of the second LAN port during normal operation can be prohibited. Therefore, the centralized controller according to the third aspect can prevent a maintenance worker from making mistakes during maintenance work.
　本発明の第４観点に係る集中コントローラは、第３観点に係る集中コントローラであって、ポートカバーをさらに備える。ポートカバーは、本体の正面側から第２ＬＡＮポートを覆う。ポートカバーは、本体に対して取り付けおよび取り外しが可能である。
　第４観点に係る集中コントローラは、第２ＬＡＮポートを覆うポートカバーを備えるので、保守作業者以外の集中コントローラの利用者が、第２ＬＡＮポートを使用することを防止する。従って、第４観点に係る集中コントローラは、通常運用時における利用者のミスを防止することができる。 A centralized controller according to a fourth aspect of the present invention is the centralized controller according to the third aspect, further comprising a port cover. The port cover covers the second LAN port from the front side of the main body. The port cover can be attached to and detached from the main body.
Since the centralized controller according to the fourth aspect includes a port cover that covers the second LAN port, a user of the centralized controller other than the maintenance worker is prevented from using the second LAN port. Therefore, the centralized controller according to the fourth aspect can prevent user errors during normal operation.
　本発明の第５観点に係る集中コントローラは、第４観点に係る集中コントローラであって、第２モード防止機構は、本体にポートカバーを取り付けることを防止するカバー取付防止機構である。
　第５観点に係る集中コントローラは、第２ＬＡＮポートのみが有効になっている第２モードにおいて、第２ＬＡＮポートを覆うポートカバーを本体に取り付けることを防止する。これにより、保守作業者は、集中コントローラの保守作業を終えた後に、集中コントローラを第２モードから第１モードに忘れずに切り替えることができる。従って、第５観点に係る集中コントローラは、保守作業時における保守作業者のミスを防止することができる。 A centralized controller according to a fifth aspect of the present invention is the centralized controller according to the fourth aspect, and the second mode prevention mechanism is a cover attachment prevention mechanism that prevents the port cover from being attached to the main body.
The centralized controller according to the fifth aspect prevents the port cover covering the second LAN port from being attached to the main body in the second mode in which only the second LAN port is enabled. Thus, the maintenance worker can switch the centralized controller from the second mode to the first mode without forgetting after the maintenance work of the centralized controller is completed. Therefore, the centralized controller according to the fifth aspect can prevent the maintenance worker from making mistakes during the maintenance work.
　本発明の第６観点に係る集中コントローラは、第１乃至第５観点のいずれか１つに係る集中コントローラであって、第２ＬＡＮポートは、本体の正面に配置されている。
　第６観点に係る集中コントローラでは、第２ＬＡＮポートは本体の正面に配置されているので、保守作業者は、第２ＬＡＮポートに容易にアクセスすることができる。従って、第６観点に係る集中コントローラは、保守作業をより効率的に実施することができる。 A centralized controller according to a sixth aspect of the present invention is the centralized controller according to any one of the first to fifth aspects, and the second LAN port is disposed in front of the main body.
In the centralized controller according to the sixth aspect, since the second LAN port is disposed on the front surface of the main body, the maintenance worker can easily access the second LAN port. Therefore, the centralized controller according to the sixth aspect can perform maintenance work more efficiently.
　本発明の第１観点に係る集中コントローラは、保守作業を効率的に実施することができる。
　本発明の第２観点および第６観点に係る集中コントローラは、保守作業をより効率的に実施することができる。
　本発明の第３観点および第５観点に係る集中コントローラは、保守作業時における保守作業者のミスを防止することができる。
　本発明の第４観点に係る集中コントローラは、通常運用時における利用者のミスを防止することができる。 The centralized controller according to the first aspect of the present invention can efficiently perform maintenance work.
The centralized controller according to the second and sixth aspects of the present invention can perform maintenance work more efficiently.
The centralized controller according to the third and fifth aspects of the present invention can prevent a maintenance worker from making mistakes during maintenance work.
The centralized controller according to the fourth aspect of the present invention can prevent user mistakes during normal operation.
本発明の実施形態に係る冷凍装置管理システムの構成を示す図である。It is a figure which shows the structure of the freezing apparatus management system which concerns on embodiment of this invention. 空気調和装置の構成を示す図である。It is a figure which shows the structure of an air conditioning apparatus. 正面から見た集中コントローラを示す図である。It is a figure which shows the concentration controller seen from the front. ポートカバーが取り外された状態における、正面から見た集中コントローラを示す図である。It is a figure which shows the centralized controller seen from the front in the state where the port cover was removed. 背面から見た集中コントローラを示す図である。It is a figure which shows the concentration controller seen from the back surface. 壁面に埋設された集中コントローラを示す図である。It is a figure which shows the centralized controller embed | buried under the wall surface. 裏面から見たポートカバーの外観図である。It is an external view of the port cover seen from the back. 集中コントローラが第２モードにある場合における、ポートカバーのボスと切替スイッチとの位置関係を示す図である。It is a figure which shows the positional relationship of the boss | hub of a port cover, and a changeover switch in case a centralized controller exists in a 2nd mode. 集中コントローラが第１モードにある場合における、ポートカバーのボスと切替スイッチとの位置関係を示す図である。It is a figure which shows the positional relationship of the boss | hub of a port cover, and a changeover switch in case a centralized controller exists in 1st mode. 図９において、ポートカバーが本体に取り付けられた状態を示す図である。In FIG. 9, it is a figure which shows the state in which the port cover was attached to the main body.
　本発明の実施形態に係る集中コントローラ２０を備える冷凍装置管理システム１００について、図面を参照しながら説明する。冷凍装置管理システム１００は、オフィスビル９０に設置される冷凍装置としての空気調和装置１０を管理するシステムである。冷凍装置管理システム１００は、空気調和装置１０の設置場所から離れた場所において、空気調和装置１０を集中的に監視および制御するシステムである。
　（１）冷凍装置管理システムの全体構成
　図１に示されるように、冷凍装置管理システム１００は、主として、空気調和装置１０と、集中コントローラ２０と、遠隔管理装置３０とから構成される。オフィスビル９０には、複数の空気調和装置１０が設置されている。集中コントローラ２０は、複数の空気調和装置１０を集中的に監視および制御するための機器である。集中コントローラ２０は、オフィスビル９０の管理人室等に設置される。集中コントローラ２０は、空気調和装置１０と専用線７０によって接続されている。遠隔管理装置３０は、オフィスビル９０にある遠隔管理センター１３に設置されるサーバである。遠隔管理装置３０は、オフィスビル９０のイントラネット６０を利用して、ＬＡＮケーブル８０によって集中コントローラ２０と有線接続されている。遠隔管理装置３０は、イントラネット６０経由で集中コントローラ２０にアクセスして空気調和装置１０を監視および制御するための機器である。 A refrigeration apparatus management system 100 including a centralized controller 20 according to an embodiment of the present invention will be described with reference to the drawings. The refrigeration apparatus management system 100 is a system that manages the air conditioning apparatus 10 as a refrigeration apparatus installed in an office building 90. The refrigeration apparatus management system 100 is a system that centrally monitors and controls the air conditioner 10 at a location away from the installation location of the air conditioner 10.
(1) Overall Configuration of Refrigeration Device Management System As shown in FIG. 1, the refrigeration device management system 100 mainly includes an air conditioner 10, a centralized controller 20, and a remote management device 30. A plurality of air conditioners 10 are installed in the office building 90. The centralized controller 20 is a device for centrally monitoring and controlling the plurality of air conditioners 10. The centralized controller 20 is installed in an administrator room of the office building 90 or the like. The centralized controller 20 is connected to the air conditioner 10 by a dedicated line 70. The remote management device 30 is a server installed in the remote management center 13 in the office building 90. The remote management device 30 is connected to the centralized controller 20 through a LAN cable 80 by wire using the intranet 60 of the office building 90. The remote management device 30 is a device for monitoring and controlling the air conditioner 10 by accessing the centralized controller 20 via the intranet 60.
　冷凍装置管理システム１００の管理者は、集中コントローラ２０または遠隔管理装置３０から、空気調和装置１０に対して所定の運転モードを実行させるための指令を送信することができる。所定の運転モードは、例えば、冷房運転モード、暖房運転モードおよび点検モードである。
　次に、冷凍装置管理システム１００の各構成要素について説明する。
　（２）空気調和装置の構成
　図２に示されるように、空気調和装置１０は、主として、一台の室外機１１と、室外機１１に接続される複数の室内機１２とから構成される。一台の室外機１１には、最大６４台の室内機１２を接続することができる。すなわち、一つの冷媒回路は、一台の室外機１１と最大６４台の室内機１２とから構成される。空気調和装置１０は、図示されない圧縮機および熱交換器等から構成される冷媒回路を全体として構成する。室外機１１と室内機１２とは、専用線７０および図示されない冷媒配管により接続される。 An administrator of the refrigeration apparatus management system 100 can transmit a command for causing the air conditioner 10 to execute a predetermined operation mode from the centralized controller 20 or the remote management apparatus 30. The predetermined operation modes are, for example, a cooling operation mode, a heating operation mode, and an inspection mode.
Next, each component of the refrigeration apparatus management system 100 will be described.
(2) Configuration of Air Conditioner As shown in FIG. 2, the air conditioner 10 is mainly composed of one outdoor unit 11 and a plurality of indoor units 12 connected to the outdoor unit 11. A maximum of 64 indoor units 12 can be connected to one outdoor unit 11. That is, one refrigerant circuit is composed of one outdoor unit 11 and a maximum of 64 indoor units 12. The air conditioner 10 configures a refrigerant circuit as a whole that includes a compressor, a heat exchanger, and the like (not shown). The outdoor unit 11 and the indoor unit 12 are connected by a dedicated line 70 and a refrigerant pipe (not shown).
　（３）集中コントローラの構成
　図３～５に示されるように、集中コントローラ２０は、主として、本体２１と、取付部２２と、ディスプレイ２３と、第１ＬＡＮポート２４と、第２ＬＡＮポート２５と、切替スイッチ２６と、ポートカバー２８と、カバー取付防止機構２７とから構成される。図３において、第２ＬＡＮポート２５および切替スイッチ２６は、ポートカバー２８で覆われて見えない位置にある。後述するように、カバー取付防止機構２７は、ポートカバー２８に形成されるボス２７である。
　図６に示されるように、集中コントローラ２０は、オフィスビル９０の管理人室等の壁面４０に埋め込まれて設置される。オフィスビル９０の管理人等である集中コントローラ２０の利用者は、壁面４０に埋設された集中コントローラ２０を操作して、複数の空気調和装置１０を集中的に監視および制御することができる。 (3) Configuration of Centralized Controller As shown in FIGS. 3 to 5, the centralized controller 20 mainly includes a main body 21, a mounting portion 22, a display 23, a first LAN port 24, and a second LAN port 25. The switch 26, the port cover 28, and the cover attachment prevention mechanism 27 are configured. In FIG. 3, the second LAN port 25 and the changeover switch 26 are covered with the port cover 28 and are in an invisible position. As will be described later, the cover attachment prevention mechanism 27 is a boss 27 formed on the port cover 28.
As shown in FIG. 6, the centralized controller 20 is embedded and installed in a wall surface 40 such as a manager room of an office building 90. A user of the centralized controller 20 such as an administrator of the office building 90 can operate the centralized controller 20 embedded in the wall surface 40 to centrally monitor and control the plurality of air conditioners 10.
　次に、集中コントローラ２０の各構成要素について説明する。
　　（３－１）本体
　本体２１は、集中コントローラ２０のプラスチック製の筐体である。本体２１には、取付部２２と、ディスプレイ２３と、第１ＬＡＮポート２４と、第２ＬＡＮポート２５と、切替スイッチ２６と、ポートカバー２８とが配置されている。ポートカバー２８は、本体２１から取り外すことが可能であり、本体２１に取り付けることが可能である。図４は、ポートカバー２８が取り外された集中コントローラ２０を示す。
　集中コントローラ２０は、本体２１の内部に、図示されない記憶部および制御部等を有する。記憶部は、空気調和装置１０の管理に用いられるデータおよびプログラムを記憶するＲＯＭ、ＲＡＭおよびハードディスク等である。記憶部は、空気調和装置１０の運転データおよび運転スケジュール等を記憶する。制御部は、記憶部に記憶されているプログラムを実行して所定のデータを処理するＣＰＵ等である。 Next, each component of the centralized controller 20 will be described.
(3-1) Main Body The main body 21 is a plastic casing of the centralized controller 20. The main body 21 is provided with a mounting portion 22, a display 23, a first LAN port 24, a second LAN port 25, a changeover switch 26, and a port cover 28. The port cover 28 can be detached from the main body 21 and can be attached to the main body 21. FIG. 4 shows the centralized controller 20 with the port cover 28 removed.
The centralized controller 20 has a storage unit, a control unit, and the like (not shown) inside the main body 21. The storage unit is a ROM, a RAM, a hard disk, or the like that stores data and programs used for management of the air conditioning apparatus 10. The storage unit stores operation data, an operation schedule, and the like of the air conditioner 10. The control unit is a CPU or the like that executes a program stored in the storage unit and processes predetermined data.
　　（３－２）取付部
　取付部２２は、オフィスビル９０の管理人室等の壁面４０に集中コントローラ２０を埋設する際に、本体２１を壁面４０に固定するために用いられる金属製または樹脂製の部材である。図６に示されるように、取付部２２は、本体２１に固定して取り付けられている。取付部２２の上下端部には、取付片２２ａが互いに対向して突設されている。取付片２２ａは、ねじ等によって壁面４０に取り付けられる。
　　（３－３）ディスプレイ
　ディスプレイ２３は、本体２１に配置されるタッチパネル式の機器である。以下、ディスプレイ２３が配置される側の面を、本体２１の「正面」と呼び、本体２１の正面の反対側の面を、本体２１の「背面」と呼ぶ。図３および図４は、正面から見た集中コントローラ２０を示し、図５は、背面から見た集中コントローラ２０を示す。ディスプレイ２３は、集中コントローラ２０の表示装置および入力装置としての機能を有する。例えば、集中コントローラ２０は、図３および図４に示されるような空気調和装置１０の管理設定画面をディスプレイ２３に表示することができる。オフィスビル９０の管理人等である集中コントローラ２０の利用者は、ディスプレイ２３の所定の部分を指で触れることで、ディスプレイ２３に表示されているインターフェイスを用いて空気調和装置１０の管理に用いられるデータを入力することができる。 (3-2) Mounting portion The mounting portion 22 is made of metal or resin used to fix the main body 21 to the wall surface 40 when the centralized controller 20 is embedded in the wall surface 40 of a manager's room or the like of the office building 90. It is a member. As shown in FIG. 6, the attachment portion 22 is fixedly attached to the main body 21. At the upper and lower ends of the attachment portion 22, attachment pieces 22a are provided so as to face each other. The attachment piece 22a is attached to the wall surface 40 with screws or the like.
(3-3) Display The display 23 is a touch panel type device arranged in the main body 21. Hereinafter, the surface on the side where the display 23 is arranged is referred to as the “front surface” of the main body 21, and the surface opposite to the front surface of the main body 21 is referred to as the “back surface” of the main body 21. 3 and 4 show the centralized controller 20 viewed from the front, and FIG. 5 shows the centralized controller 20 viewed from the rear. The display 23 has functions as a display device and an input device of the centralized controller 20. For example, the centralized controller 20 can display the management setting screen of the air conditioner 10 as shown in FIGS. 3 and 4 on the display 23. A user of the centralized controller 20, such as an administrator of the office building 90, uses the interface displayed on the display 23 to manage the air conditioner 10 by touching a predetermined portion of the display 23 with a finger. Data can be entered.
　　（３－４）第１ＬＡＮポート
　第１ＬＡＮポート２４には、集中コントローラ２０とイントラネット６０とを接続するためのＬＡＮケーブル８０のコネクタが装着されている。図５に示されるように、第１ＬＡＮポート２４は、本体２１の背面に配置される。そのため、冷凍装置管理システム１００の通常運用時、すなわち、オフィスビル９０の管理人室等の壁面４０に集中コントローラ２０が埋設されている状態では、集中コントローラ２０の利用者は、第１ＬＡＮポート２４、および、第１ＬＡＮポート２４に装着されているＬＡＮケーブル８０を見ることができない。また、冷凍装置管理システム１００の通常運用時および保守作業時のいずれにおいても、第１ＬＡＮポート２４に装着されているＬＡＮケーブル８０のコネクタは、第１ＬＡＮポート２４から取り外されない。 (3-4) First LAN Port A connector of a LAN cable 80 for connecting the centralized controller 20 and the intranet 60 is attached to the first LAN port 24. As shown in FIG. 5, the first LAN port 24 is disposed on the back surface of the main body 21. Therefore, during normal operation of the refrigeration apparatus management system 100, that is, in a state where the centralized controller 20 is embedded in the wall surface 40 such as a management room of the office building 90, the user of the centralized controller 20 In addition, the LAN cable 80 attached to the first LAN port 24 cannot be seen. In addition, the connector of the LAN cable 80 attached to the first LAN port 24 is not removed from the first LAN port 24 during both normal operation and maintenance work of the refrigeration apparatus management system 100.
　　（３－５）第２ＬＡＮポート
　図４に示されるように、第２ＬＡＮポート２５は、本体２１の正面に配置される。第２ＬＡＮポート２５は、第１ＬＡＮポート２４と同様に、ＬＡＮケーブルのコネクタを装着することができるポートである。
　冷凍装置管理システム１００の通常運用時において、第２ＬＡＮポート２５は、ポートカバー２８で覆われている。第２ＬＡＮポート２５は、冷凍装置管理システム１００の保守作業時に使用される。冷凍装置管理システム１００の保守作業者は、自身の保守作業用端末と集中コントローラ２０とをＬＡＮケーブルを介して一時的に接続するために、第２ＬＡＮポート２５にＬＡＮケーブルのコネクタを装着する。なお、通常、冷凍装置管理システム１００の保守作業者は、集中コントローラ２０の利用者ではない。 (3-5) Second LAN Port As shown in FIG. 4, the second LAN port 25 is disposed in front of the main body 21. Similar to the first LAN port 24, the second LAN port 25 is a port to which a LAN cable connector can be attached.
During normal operation of the refrigeration apparatus management system 100, the second LAN port 25 is covered with a port cover 28. The second LAN port 25 is used during maintenance work of the refrigeration apparatus management system 100. A maintenance worker of the refrigeration apparatus management system 100 attaches a LAN cable connector to the second LAN port 25 in order to temporarily connect his / her maintenance terminal and the centralized controller 20 via the LAN cable. Normally, the maintenance worker of the refrigeration apparatus management system 100 is not the user of the centralized controller 20.
　　（３－６）切替スイッチ
　図４に示されるように、切替スイッチ２６は、本体２１の正面に配置される。冷凍装置管理システム１００の通常運用時において、切替スイッチ２６は、ポートカバー２８で覆われている。切替スイッチ２６は、第１ＬＡＮポート２４および第２ＬＡＮポート２５のいずれか一方を有効にし、かつ、他方を無効にするためのスイッチである。具体的には、切替スイッチ２６を操作することで、第１モードの集中コントローラ２０と、第２モードの集中コントローラ２０との間を切り替えることができる。第１モードの集中コントローラ２０は、第１ＬＡＮポート２４が有効になっており、第２ＬＡＮポート２５が無効になっている。第２モードの集中コントローラ２０は、第１ＬＡＮポート２４が無効になっており、第２ＬＡＮポート２５が有効になっている。 (3-6) Changeover Switch As shown in FIG. 4, the changeover switch 26 is disposed in front of the main body 21. During normal operation of the refrigeration apparatus management system 100, the changeover switch 26 is covered with a port cover 28. The changeover switch 26 is a switch for enabling one of the first LAN port 24 and the second LAN port 25 and disabling the other. Specifically, it is possible to switch between the central controller 20 in the first mode and the central controller 20 in the second mode by operating the changeover switch 26. In the central controller 20 in the first mode, the first LAN port 24 is enabled and the second LAN port 25 is disabled. In the central controller 20 in the second mode, the first LAN port 24 is disabled and the second LAN port 25 is enabled.
　図４に示されるように、切替スイッチ２６は、水平方向に移動可能な凸部２６ａを有する。集中コントローラ２０を正面から見た場合、切替スイッチ２６の凸部２６ａは、第１モードでは左側に位置し、第２モードでは右側に位置している。冷凍装置管理システム１００の保守作業者は、手動で切替スイッチ２６の切り替え操作を行うことができる。冷凍装置管理システム１００の保守作業者は、冷凍装置管理システム１００の保守作業の開始時において、切替スイッチ２６を第１モードから第２モードに切り替え、保守作業の完了時において、切替スイッチ２６を第２モードから第１モードに切り替える。
　冷凍装置管理システム１００の通常運用時において、集中コントローラ２０は、第１モードの状態にある。この場合、第１ＬＡＮポート２４には、イントラネット６０に接続されるＬＡＮケーブル８０のコネクタが装着されている。一方、冷凍装置管理システム１００の保守作業時において、集中コントローラ２０は、第２モードの状態にある。この場合、第１ＬＡＮポート２４には、イントラネット６０に接続されるＬＡＮケーブル８０のコネクタが装着され、第２ＬＡＮポート２４には、冷凍装置管理システム１００の保守作業者の保守作業用端末に接続されるＬＡＮケーブルのコネクタが装着されている。 As shown in FIG. 4, the changeover switch 26 has a convex portion 26a that can move in the horizontal direction. When the centralized controller 20 is viewed from the front, the convex portion 26a of the changeover switch 26 is located on the left side in the first mode, and is located on the right side in the second mode. A maintenance worker of the refrigeration apparatus management system 100 can manually perform the switching operation of the changeover switch 26. The maintenance worker of the refrigeration apparatus management system 100 switches the changeover switch 26 from the first mode to the second mode at the start of the maintenance work of the refrigeration apparatus management system 100, and sets the changeover switch 26 to the first when the maintenance work is completed. Switch from 2 mode to 1st mode.
During normal operation of the refrigeration apparatus management system 100, the centralized controller 20 is in the first mode. In this case, a connector of a LAN cable 80 connected to the intranet 60 is attached to the first LAN port 24. On the other hand, during the maintenance work of the refrigeration apparatus management system 100, the centralized controller 20 is in the second mode. In this case, a connector of a LAN cable 80 connected to the intranet 60 is attached to the first LAN port 24, and the second LAN port 24 is connected to a maintenance work terminal of a maintenance worker of the refrigeration apparatus management system 100. A LAN cable connector is attached.
　　（３－７）ポートカバー
　ポートカバー２８は、第２ＬＡＮポート２５および切替スイッチ２６を覆う部材である。ポートカバー２８は、本体２１の正面側に取り付けられる。ポートカバー２８は、本体２１と同じ、または、本体２１に近似している色および材質を有している。図７は、本体２１に取り付けられるポートカバー２８を、本体２１の背面側から見た外観図である。以下、本体２１に取り付けた場合に見えなくなる面を、ポートカバー２８の「裏面」と呼ぶ。ポートカバー２８の裏面には、後述するカバー取付防止機構２７であるボス２７が形成されている。
　冷凍装置管理システム１００の通常運用時には、第２ＬＡＮポート２５および切替スイッチ２６は、ポートカバー２８で覆われている。通常、ポートカバー２８を本体２１から取り外す者は、冷凍装置管理システム１００の保守作業者のみである。すなわち、保守作業者のみが、集中コントローラ２０の第２ＬＡＮポート２５および切替スイッチ２６にアクセスする。 (3-7) Port Cover The port cover 28 is a member that covers the second LAN port 25 and the changeover switch 26. The port cover 28 is attached to the front side of the main body 21. The port cover 28 has the same color and material as the main body 21 or similar to the main body 21. FIG. 7 is an external view of the port cover 28 attached to the main body 21 as viewed from the back side of the main body 21. Hereinafter, the surface that becomes invisible when attached to the main body 21 is referred to as the “back surface” of the port cover 28. On the back surface of the port cover 28, a boss 27, which is a cover attachment prevention mechanism 27 described later, is formed.
During normal operation of the refrigeration apparatus management system 100, the second LAN port 25 and the changeover switch 26 are covered with a port cover 28. Normally, the person who removes the port cover 28 from the main body 21 is only the maintenance worker of the refrigeration apparatus management system 100. That is, only the maintenance worker accesses the second LAN port 25 and the changeover switch 26 of the centralized controller 20.
　　（３－８）カバー取付防止機構
　図８～１０は、集中コントローラ２０の本体２１を下から見た図である。カバー取付防止機構２７は、ポートカバー２８の裏面に形成されているボス２７である。ボス２７は、ポートカバー２８の裏面に配置されている突起である。ポートカバー２８のボス２７は、切替スイッチ２６に干渉する位置に配置されている。具体的に説明すると、集中コントローラ２０が第２モードにある場合、すなわち、切替スイッチ２６の凸部２６ａが右側に位置している場合には、図８に示されるように、切替スイッチ２６の凸部２６ａの先端は、ポートカバー２８のボス２７の先端に当たる位置にある。そのため、集中コントローラ２０が第２モードにある場合は、ポートカバー２８を本体２１に取り付けることができない。一方、集中コントローラ２０が第１モードにある場合、すなわち、切替スイッチ２６の凸部２６ａが左側に位置している場合には、図９に示されるように、切替スイッチ２６の凸部２６ａの先端は、ポートカバー２８のボス２７の先端に当たらない位置にある。そのため、図１０に示されるように、集中コントローラ２０が第１モードにある場合は、ポートカバー２８を本体２１に確実に取り付けることができる。 (3-8) Cover Attachment Prevention Mechanism FIGS. 8 to 10 are views of the main body 21 of the centralized controller 20 as viewed from below. The cover attachment prevention mechanism 27 is a boss 27 formed on the back surface of the port cover 28. The boss 27 is a protrusion disposed on the back surface of the port cover 28. The boss 27 of the port cover 28 is disposed at a position that interferes with the changeover switch 26. Specifically, when the centralized controller 20 is in the second mode, that is, when the convex portion 26a of the changeover switch 26 is located on the right side, as shown in FIG. The tip of the portion 26 a is in a position where it contacts the tip of the boss 27 of the port cover 28. Therefore, the port cover 28 cannot be attached to the main body 21 when the centralized controller 20 is in the second mode. On the other hand, when the centralized controller 20 is in the first mode, that is, when the convex portion 26a of the changeover switch 26 is located on the left side, the tip of the convex portion 26a of the changeover switch 26 is shown in FIG. Is in a position not hitting the tip of the boss 27 of the port cover 28. Therefore, as shown in FIG. 10, when the centralized controller 20 is in the first mode, the port cover 28 can be securely attached to the main body 21.
　従って、ポートカバー２８のボス２７は、第２モードの集中コントローラ２０にポートカバー２８を取り付けることを防止するカバー取付防止機構２７である。また、ポートカバー２８のボス２７は、冷凍装置管理システム１００の保守作業が完了した後に、保守作業者が、集中コントローラ２０を第２モードから第１モードに切り替え忘れることを防止する第２モード防止機構２７である。
　（４）遠隔管理装置の構成
　遠隔管理装置３０は、オフィスビル９０のイントラネット６０経由で集中コントローラ２０にアクセスして、空気調和装置１０を集中監視および集中制御する機能を有するサーバである。遠隔管理装置３０は、集中コントローラ２０と同様に、記憶部および制御部等を有する。記憶部は、空気調和装置１０の管理に用いられるデータおよびプログラムを記憶するＲＯＭ、ＲＡＭおよびハードディスク等である。記憶部は、例えば、空気調和装置１０の運転データおよび運転スケジュールを記憶する。制御部は、記憶部に記憶されているプログラムを実行してデータを処理するＣＰＵ等である。遠隔管理装置３０は、集中コントローラ２０を介して、空気調和装置１０に運転制御指令を発行して、空気調和装置１０の動作を制御する。 Accordingly, the boss 27 of the port cover 28 is a cover attachment prevention mechanism 27 that prevents the port cover 28 from being attached to the central controller 20 in the second mode. Further, the boss 27 of the port cover 28 prevents the second operator from forgetting to switch the centralized controller 20 from the second mode to the first mode after the maintenance work of the refrigeration apparatus management system 100 is completed. Mechanism 27.
(4) Configuration of Remote Management Device The remote management device 30 is a server having a function of accessing the centralized controller 20 via the intranet 60 of the office building 90 to centrally monitor and control the air conditioner 10. Similar to the centralized controller 20, the remote management device 30 has a storage unit, a control unit, and the like. The storage unit is a ROM, a RAM, a hard disk, or the like that stores data and programs used for management of the air conditioning apparatus 10. The storage unit stores, for example, operation data and an operation schedule of the air conditioner 10. The control unit is a CPU or the like that executes a program stored in the storage unit and processes data. The remote management device 30 issues an operation control command to the air conditioner 10 via the centralized controller 20 to control the operation of the air conditioner 10.
　（５）特徴
　　（５－１）
　本実施形態に係る冷凍装置管理システム１００では、集中コントローラ２０は、遠隔管理装置３０からオフィスビル９０のイントラネット６０経由で複数の空気調和装置１０を遠隔監視および遠隔操作するために使用される。集中コントローラ２０は、同一の機能を有する第１ＬＡＮポート２４および第２ＬＡＮポート２５を備える。第１ＬＡＮポート２４は、本体２１の背面に配置され、冷凍装置管理システム１００の通常運用時において、集中コントローラ２０とイントラネット６０との間の接続に使用される。集中コントローラ２０は、オフィスビル９０の管理人室等の壁面４０に埋設される機器であるので、冷凍装置管理システム１００の通常運用時において、集中コントローラ２０の利用者は、第１ＬＡＮポート２４を見ることができない。一方、第２ＬＡＮポート２５は、本体２１の正面に配置され、冷凍装置管理システム１００の保守作業時において、集中コントローラ２０と保守作業者の保守作業用端末との間の接続のために一時的に使用される。第２ＬＡＮポート２５は、本体２１の正面側からアクセス可能な位置に配置されているので、集中コントローラ２０が壁面４０に埋設されている状態で、保守作業者は、ＬＡＮケーブルのコネクタを第２ＬＡＮポート２５に装着することができる。そのため、保守作業者は、自身の保守作業用端末との接続に使用されるＬＡＮケーブルのコネクタを第２ＬＡＮポート２５に容易に装着し、取り外すことができる。従って、本実施形態に係る集中コントローラ２０は、保守作業を効率的に実施することができる。 (5) Features (5-1)
In the refrigeration apparatus management system 100 according to the present embodiment, the centralized controller 20 is used to remotely monitor and remotely operate the plurality of air conditioners 10 from the remote management apparatus 30 via the intranet 60 of the office building 90. The centralized controller 20 includes a first LAN port 24 and a second LAN port 25 having the same function. The first LAN port 24 is disposed on the back surface of the main body 21 and is used for connection between the centralized controller 20 and the intranet 60 during normal operation of the refrigeration apparatus management system 100. Since the centralized controller 20 is a device embedded in the wall surface 40 such as a manager's room of the office building 90, the user of the centralized controller 20 looks at the first LAN port 24 during normal operation of the refrigeration apparatus management system 100. I can't. On the other hand, the second LAN port 25 is arranged in front of the main body 21 and temporarily serves for connection between the centralized controller 20 and the maintenance work terminal of the maintenance worker during maintenance work of the refrigeration apparatus management system 100. used. Since the second LAN port 25 is disposed at a position accessible from the front side of the main body 21, the maintenance worker can connect the LAN cable connector to the second LAN port while the centralized controller 20 is embedded in the wall surface 40. 25 can be attached. Therefore, the maintenance worker can easily attach and detach the connector of the LAN cable used for connection with his / her maintenance work terminal to / from the second LAN port 25. Therefore, the centralized controller 20 according to the present embodiment can efficiently perform maintenance work.
　　（５－２）
　本実施形態に係る集中コントローラ２０は、第１ＬＡＮポート２４および第２ＬＡＮポート２５のいずれか一方を有効にし、他方を無効にするための切替スイッチ２６を備える。冷凍装置管理システム１００の保守作業者は、切替スイッチ２６を操作して、第１モードの集中コントローラ２０と第２モードの集中コントローラ２０との間を容易に切り替えることができる。これにより、保守作業者は、オフィスビル９０の管理人室等の壁面４０に埋設されている集中コントローラ２０を壁面４０から取り外し、第１ＬＡＮポート２４からＬＡＮケーブル８０のコネクタを取り外し、保守作業用端末と接続するための別のＬＡＮケーブルを第１ＬＡＮポート２４に装着するという一連の作業を行う必要がない。すなわち、保守作業者は、切替スイッチ２６を操作して、集中コントローラ２０を第１モードから第２モードに切り替えることで、容易に、第１ＬＡＮポート２４を無効にして、第２ＬＡＮポート２５を有効にすることができる。そのため、保守作業者は、切替スイッチ２６を操作して一時的に第２モードに切り替え、保守作業用端末と接続するためのＬＡＮケーブルを第２ＬＡＮポート２５に装着する作業を行うだけで、保守作業を行うことができる。従って、本実施形態に係る集中コントローラ２０は、保守作業をより効率的に実施することができる。 (5-2)
The centralized controller 20 according to the present embodiment includes a changeover switch 26 for enabling one of the first LAN port 24 and the second LAN port 25 and disabling the other. A maintenance worker of the refrigeration apparatus management system 100 can easily switch between the central controller 20 in the first mode and the central controller 20 in the second mode by operating the changeover switch 26. As a result, the maintenance worker removes the centralized controller 20 embedded in the wall surface 40 of the manager room of the office building 90 from the wall surface 40, removes the connector of the LAN cable 80 from the first LAN port 24, and performs a maintenance work terminal. There is no need to perform a series of operations of attaching another LAN cable for connection to the first LAN port 24. In other words, the maintenance worker can easily disable the first LAN port 24 and enable the second LAN port 25 by operating the changeover switch 26 to switch the centralized controller 20 from the first mode to the second mode. can do. Therefore, the maintenance worker operates the changeover switch 26 to temporarily switch to the second mode, and only performs the work of attaching the LAN cable for connecting to the maintenance work terminal to the second LAN port 25. It can be performed. Therefore, the centralized controller 20 according to the present embodiment can perform maintenance work more efficiently.
　　（５－３）
　本実施形態に係る集中コントローラ２０では、冷凍装置管理システム１００の通常運用時において、第２ＬＡＮポート２５および切替スイッチ２６は、ポートカバー２８に覆われている。冷凍装置管理システム１００の保守作業時において、保守作業者は、ポートカバー２８を本体２１から取り外し、切替スイッチ２６を操作して集中コントローラ２０を第１モードから第２モードに切り替える。そして、保守作業者は、第２ＬＡＮポート２５を使用して保守作業を完了した後に、切替スイッチ２６を操作して集中コントローラ２０を第２モードから第１モードに切り替え、ポートカバー２８を本体２１に取り付ける。ポートカバー２８を本体２１に取り付けることで、保守作業者以外の集中コントローラ２０の利用者が、第２ＬＡＮポート２５および切替スイッチ２６を使用することが防止される。従って、本実施形態に係る集中コントローラ２０は、通常運用時における利用者のミスを防止することができる。 (5-3)
In the centralized controller 20 according to the present embodiment, the second LAN port 25 and the changeover switch 26 are covered with the port cover 28 during normal operation of the refrigeration apparatus management system 100. During maintenance work of the refrigeration apparatus management system 100, the maintenance worker removes the port cover 28 from the main body 21 and operates the changeover switch 26 to switch the centralized controller 20 from the first mode to the second mode. Then, after completing the maintenance work using the second LAN port 25, the maintenance worker operates the changeover switch 26 to switch the centralized controller 20 from the second mode to the first mode, and the port cover 28 to the main body 21. Install. By attaching the port cover 28 to the main body 21, a user of the centralized controller 20 other than the maintenance worker is prevented from using the second LAN port 25 and the changeover switch 26. Therefore, the centralized controller 20 according to the present embodiment can prevent user mistakes during normal operation.
　　（５－４）
　本実施形態に係る集中コントローラ２０では、ポートカバー２８に形成されるボス２７は、切替スイッチ２６の凸部２６ａが第２モードの位置にある状態において、ポートカバー２８の本体２１への取り付けを防止する。すなわち、冷凍装置管理システム１００の保守作業者は、集中コントローラ２０が第２モードになっている状態でポートカバー２８を本体２１に取り付けることができない。これにより、保守作業者は、保守作業が完了した後に、集中コントローラ２０を第２モードから第１モードに忘れずに切り替えることができる。従って、本実施形態に係る集中コントローラ２０は、保守作業時における保守作業者のミスを防止することができる。
　（６）変形例
　　（６－１）変形例Ａ
　本実施形態において、冷凍装置管理システム１００は、集中コントローラ２０を用いて空気調和装置１０を集中的に監視および制御するシステムである。しかし、本実施形態に係る集中コントローラ２０は、空気調和装置１０のみでなく、空気調和装置１０以外の設備機器をも集中的に監視および制御するシステムに用いられてもよい。 (5-4)
In the centralized controller 20 according to the present embodiment, the boss 27 formed on the port cover 28 prevents the port cover 28 from being attached to the main body 21 in a state where the convex portion 26a of the changeover switch 26 is in the second mode position. To do. That is, the maintenance worker of the refrigeration apparatus management system 100 cannot attach the port cover 28 to the main body 21 in a state where the centralized controller 20 is in the second mode. Thereby, the maintenance operator can switch the centralized controller 20 from the second mode to the first mode without forgetting after the maintenance work is completed. Therefore, the centralized controller 20 according to this embodiment can prevent a maintenance worker from making mistakes during maintenance work.
(6) Modification (6-1) Modification A
In the present embodiment, the refrigeration apparatus management system 100 is a system that centrally monitors and controls the air conditioning apparatus 10 using the centralized controller 20. However, the centralized controller 20 according to the present embodiment may be used in a system that centrally monitors and controls not only the air conditioner 10 but also equipment other than the air conditioner 10.
　　（６－２）変形例Ｂ
　本実施形態において、集中コントローラ２０の第２ＬＡＮポート２５は、本体２１の正面に配置されている。しかし、第２ＬＡＮポート２５は、本体２１の背面以外の部分であって、かつ、集中コントローラ２０が壁面４０に埋設されている状態でアクセス可能な部分であれば、本体２１の他の部分に配置されてもよい。例えば、第２ＬＡＮポート２５は、本体２１の側面に配置されてもよい。
　　（６－３）変形例Ｃ
　本実施形態に係る冷凍装置管理システム１００では、図１に示されるように、遠隔管理装置３０は、オフィスビル９０に設置された一の集中コントローラ２０に接続されている。しかし、遠隔管理装置３０は、オフィスビル９０に設置された複数の集中コントローラ２０に接続されてもよい。また、遠隔管理装置３０は、複数のオフィスビル９０にそれぞれ設置された集中コントローラ２０に接続されてもよい。 (6-2) Modification B
In the present embodiment, the second LAN port 25 of the centralized controller 20 is disposed on the front surface of the main body 21. However, if the second LAN port 25 is a part other than the back surface of the main body 21 and can be accessed in a state where the centralized controller 20 is embedded in the wall surface 40, the second LAN port 25 is arranged in another part of the main body 21. May be. For example, the second LAN port 25 may be disposed on the side surface of the main body 21.
(6-3) Modification C
In the refrigeration apparatus management system 100 according to the present embodiment, the remote management apparatus 30 is connected to one centralized controller 20 installed in an office building 90, as shown in FIG. However, the remote management device 30 may be connected to a plurality of centralized controllers 20 installed in the office building 90. The remote management device 30 may be connected to the centralized controller 20 installed in each of the plurality of office buildings 90.
　　（６－４）変形例Ｄ
　本実施形態に係る冷凍装置管理システム１００では、図１に示されるように、遠隔管理装置３０は、オフィスビル９０に設置され、イントラネット６０を介して集中コントローラ２０に接続されている。しかし、遠隔管理装置３０は、オフィスビル９０以外の物件に設置され、インターネットおよび電話回線等を介してオフィスビル９０の集中コントローラ２０に接続されてもよい。 (6-4) Modification D
In the refrigeration apparatus management system 100 according to the present embodiment, as shown in FIG. 1, the remote management apparatus 30 is installed in an office building 90 and is connected to the centralized controller 20 via an intranet 60. However, the remote management device 30 may be installed in a property other than the office building 90 and connected to the centralized controller 20 of the office building 90 via the Internet and a telephone line.
　本発明に係る集中コントローラは、保守作業を効率的に実施することができる。 The centralized controller according to the present invention can efficiently perform maintenance work.
　２０　　　集中コントローラ
　２１　　　本体
　２２　　　取付部
　２３　　　ディスプレイ
　２４　　　第１ＬＡＮポート
　２５　　　第２ＬＡＮポート
　２６　　　切替スイッチ
　２７　　　ボス（第２モード防止機構）
　２８　　　ポートカバー
　２７　　　ボス（カバー取付防止機構）
　３０　　　遠隔管理装置 20 Centralized Controller 21 Main Body 22 Mounting Portion 23 Display 24 First LAN Port 25 Second LAN Port 26 Changeover Switch 27 Boss (Second Mode Prevention Mechanism)
28 Port cover 27 Boss (Cover attachment prevention mechanism)
30 Remote management device
特開２００３－３０７３３５号公報JP 2003-307335 A

Claims (6)

  1. 　オフィスビル内に設置され、かつ、少なくとも空気調和装置を含む複数の設備機器を集中的に管理する集中コントローラであって、
    　本体（２１）と、
    　前記本体を壁面に取り付けて設置するための取付部（２２）と、
    　前記本体の正面に配置され、タッチパネル式であるディスプレイ（２３）と、
    　前記本体の背面に配置され、前記設備機器を遠隔から管理する遠隔管理装置（３０）との接続に用いられるＬＡＮケーブルのコネクタが装着される第１ＬＡＮポート（２４）と、
    　前記本体の背面以外の面に配置され、前記コネクタが装着される第２ＬＡＮポート（２５）と、
    を備え、
    　前記第２ＬＡＮポートは、前記本体の正面側から前記コネクタを装着することができる、
    集中コントローラ（２０）。     A centralized controller that is installed in an office building and centrally manages a plurality of equipment including at least an air conditioner,
    A body (21);
    A mounting portion (22) for mounting the main body on a wall surface;
    A display (23) which is arranged in front of the main body and is a touch panel type;
    A first LAN port (24) to which a connector of a LAN cable used for connection to a remote management device (30) for remotely managing the equipment is disposed;
    A second LAN port (25) disposed on a surface other than the back surface of the main body, to which the connector is attached;
    With
    The second LAN port can be mounted with the connector from the front side of the main body.
    Centralized controller (20).
  2. 　前記第１ＬＡＮポートが有効であり前記第２ＬＡＮポートが無効である第１モードと、前記第１ＬＡＮポートが無効であり前記第２ＬＡＮポートが有効である第２モードとを切り替える切替スイッチ（２６）をさらに備える、
    請求項１に記載の集中コントローラ。     A changeover switch (26) for switching between a first mode in which the first LAN port is valid and the second LAN port is invalid and a second mode in which the first LAN port is invalid and the second LAN port is valid Prepare
    The centralized controller according to claim 1.
  3. 　前記切替スイッチが前記第２モードにある状態を防止する第２モード防止機構（２７）をさらに備える、
    請求項２に記載の集中コントローラ。     A second mode prevention mechanism (27) for preventing the changeover switch from being in the second mode;
    The centralized controller according to claim 2.
  4. 　前記本体の正面側から前記第２ＬＡＮポートを覆い、かつ、前記本体に対して取り付けおよび取り外しが可能であるポートカバー（２８）をさらに備える、
    請求項３に記載の集中コントローラ。     A port cover (28) that covers the second LAN port from the front side of the main body and can be attached to and detached from the main body;
    The centralized controller according to claim 3.
  5. 　前記第２モード防止機構は、前記本体に前記ポートカバーを取り付けることを防止するカバー取付防止機構（２７）である、
    請求項４に記載の集中コントローラ。     The second mode prevention mechanism is a cover attachment prevention mechanism (27) for preventing the port cover from being attached to the main body.
    The centralized controller according to claim 4.
  6. 　前記第２ＬＡＮポートは、前記本体の正面に配置されている、
    請求項１から５のいずれか１項に記載の集中コントローラ。     The second LAN port is disposed in front of the main body,
    The centralized controller according to any one of claims 1 to 5.
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