KR100375303B1 - Managing system for air conditioning facility using communication network - Google Patents

Abstract

The present invention includes a remote monitoring unit 11 for individual control of each part on the air conditioning facility 10 installed at the contract site of a specific company, and in this system that can be controlled on a national scale: Head office system (20) comprising a plurality of workstations (21) connected to a remote monitoring unit (11) of a communication network and a network server (25) connected to each workstation (21) by a LAN (23). ; And a plurality of workstations 21 connected to each remote monitoring unit 11 by a communication network in a certain area range, and a router 34 connected to each of the workstations 21 by a LAN 33. It is characterized by including a plurality of branch office systems (30).

As a result, air-conditioning facilities such as air conditioners installed at contract sites scattered throughout the country can be monitored and processed remotely from a certain place to achieve high efficiency and low cost.

Description

Management system for air conditioning facility using communication network

The present invention relates to a system for managing air conditioning equipment using a network, and more particularly, to monitor and process air conditioning equipment, such as an air conditioner installed at a contract site scattered throughout the country, at a certain place by remotely monitoring and processing a network for achieving high efficiency and low cost. It relates to the management system of the air conditioning equipment used.

Air conditioning equipment such as air conditioners, thermo-hygrostats, and other air conditioners is essential for buildings where many people live and work, and it is necessary for a specific contractor to manage these facilities on a national scale.

As a current maintenance method, each company regularly visits the site and takes necessary precautions, and it can be dispatched and processed immediately at the request of the owner or manager.

However, this method not only raises the cost of maintenance costs by incurring the burden of manpower, processing time, transportation logistics costs, etc., but also has limitations in terms of processing capacity that is related to driving reliability, resulting in inconvenience for many people in case of unexpected failure. Or in severe cases, it may cause a major accident.

Accordingly, the present invention is to solve the above problems, the management of the air conditioning equipment using a network that monitors and processes the air conditioning equipment, such as air conditioners installed in contract sites scattered throughout the country remotely at a certain place to achieve high efficiency and low cost To provide a system for that purpose.

1 is a block diagram schematically showing the overall connection of the system according to the invention,

2 is a block diagram showing the structure of the overall software according to the present invention;

3 is a block diagram showing a software flow of a network server according to the present invention;

4 is a block diagram illustrating the overall flow of operation on a network according to the invention,

5 is a block diagram illustrating automatic circulation checking and data transmission according to the present invention;

6 is a block diagram illustrating information transmission and alert flow in accordance with the present invention.

Explanation of symbols on the main parts of the drawings

10: HVAC equipment

11: Remote Monitoring Unit (R.M.U.)

20: Headquarter System 21: Workstation

22: modem 23: LAN

24: Router 25: Network Server

30: branch office system 31: workstation

32: modem 33: LAN

34: Router 40: Frame Relay

In order to achieve the above object, the present invention includes a remote monitoring unit 11 for individual control of each part on the air conditioning facility 10 installed at the contract site of a specific company, and in this system that can be controlled on a national scale. : A plurality of workstations 21 connected to each remote monitoring unit 11 by a communication network in a certain area range, and a network server 25 connected to each of the workstations 21 by a LAN 23. Head office system 20; And a plurality of workstations 21 connected to each remote monitoring unit 11 by a communication network in a certain area range, and a router 34 connected to each of the workstations 21 by a LAN 33. It is characterized by including a plurality of branch office systems (30).

At this time, the head office system 20 is connected to the routers 34 of the branch system 30 through the frame relay 40 at the router 24 at the same time.

The network server 25 receives the monitoring information from the workstation 31 of the branch office system 30, evaluates the information, and transmits the processing result to the workstation 31 and the remote monitoring unit 11, This information is stored in a database.

In addition, the network server 25 sequentially processes the plurality of remote monitoring units 11 and performs alarm processing several times in the event of an alarm situation.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 shows a block diagram schematically illustrating the overall connection of a system according to the invention.

The present invention includes a remote monitoring unit 11 for the individual control of each part on the air conditioning facility 10 installed at the contract site of a specific company, which relates to a system capable of controlling on a national scale through the remote monitoring unit 11 receives monitoring information including control information such as setting value change, start, stop, or alarm status from individual air conditioners in the air conditioning facility 10 through a dialup modem and an RS486C communication port. A plurality of U.C. (Unit Controller) connected to the remote monitoring unit 11 in the air conditioning facility 10 means an individual control device.

On the other hand, regarding the remote monitoring unit 11, refer to the applicant's prior patent application "Remote maintenance system of the air conditioner", Application No. 10-1999-43318, where the central monitoring instead of the remote monitoring unit 11 Represented by the apparatus 2 and its detailed configuration and operation are described.

The present invention is roughly divided into one head office system 20 and a plurality of branch office systems 30 and is integrated on one network through the mutual frame relay 40. That is, it consists of a frame relay (X.25) network. The head office system 20 and the branch office system 30 are connected to the frame relay 40 through respective routers 24 and 34.

In addition, the head office system 20 and the branch office system 30 each include a plurality of workstations 21 and 31, and the configuration in which these are integratedly connected through the respective LANs 23 and 33 is also the same. On the other hand, the head office system 20 is provided with a network server 25 to enable comprehensive control. Reference numeral 26 denotes an uninterruptible power supply (UPS).

Since the connection between the workstation 21 and the remote monitoring unit 11 of the head office system 20 is relatively short and the amount of data is relatively small, it is possible to use a public telephone network, but the routers 24 and 34 and the frame relay ( 40) has a large amount of data, so it is preferable to use a dedicated circuit network. As shown, when receiving data from the remote monitoring unit 11 through the public telephone network, all workstations 21 and 31 are provided with modems 22 and 32, but a dedicated line is used instead of the public telephone network. The modems 22 and 32 can also be omitted.

The connection of the router 24 and the frame relay 40 of the head office system 20 is appropriately 512 kbps and two lines, while the connection of the router 34 and the frame relay 40 of the branch office system 30 is 256 kbps, one line. proper. This is, of course, calculated based on the number of workstations 21 and 31 at approximately 50, so that higher capacity can be selected as the data throughput increases.

The network using the frame relay 40 is a method of simplifying a network protocol and simply performing relay and multiplexing functions of data frames, thereby improving data throughput and reducing transmission delay, thereby realizing high-speed data communication. Focusing on the call connection function, high-speed communication is possible by performing simple procedures such as frame structure, length, and error detection, and is a logical communication path by the frame multiple link (DLCI) corresponding to the logical channel of X.25. It is possible to multiplex processing of frames by setting, and to communicate by connecting up to 254 terminals on one line to realize instantaneous mass transfer of data by connecting to the site where a large amount of data is intermittently generated. Suitable for

Figure 2 is a block diagram showing the structure of the overall software according to the present invention, Figure 3 is a block diagram showing the software flow of the network server according to the present invention.

In Fig. 2, workstations 21 and 31, represented by each monitoring operating terminal, are connected as a client to a plurality of service server groups, and the plurality of service server groups are connected to a database. One side of the service server drives the display for displaying the situation to facilitate the recognition of the worker.

In FIG. 3, the characteristic software required for the present invention is a graphical interface that facilitates user recognition on a monitor, a client manager for controlling multiple workstations 21 and 31 without collision, and the state of the air conditioning system 10. There is a monitoring program for checking, an operating program for inputting and outputting from a database, and a communication processing module for matching a protocol of communication. Here, the monitoring program includes a control processing module, a system status monitoring module, a real time monitoring module, an information processing module, and the operating program includes a history data processing module, a report processing module, an operating data processing module, a situation analysis data processing module, and the like. There is this.

4 is a block diagram illustrating the overall flow of operation on a network in accordance with the present invention.

Of the monitoring information generated by the remote monitoring unit 11, upon receiving the alarm status information (S1), the work station 31 outputs an alarm status and instructs the person in charge to instruct the processing of the information in relation to the alarm status information. S2) Here, the call of the owner is programmed so that the alarm sound can be output simultaneously with the popup window displayed as text on the monitor of the person in charge connected to the workstation 31. Subsequently, the situation is transmitted to the network server 25 (S3) and the remote monitoring and processing is performed in the remote monitoring unit 11 (S4). When the worker's processing is completed, the workstation 31 reports the processing result to the network server 25 (S5), and the network server 25 analyzes the processing state (S6) and sends it to the workstation 31. The workstation 31 repeats the process according to the analysis result. (S7) In step S5, the air conditioner of the corresponding air conditioner having an abnormal symptom (alarm status information) in the processing of the worker (person in charge) is detected by the remote sensing unit 11. ) Means that the air conditioner has performed maintenance so that it can be restarted again smoothly after being controlled by a control program set in advance in the same way. The data is processed (maintenance processing data) and uploaded to the network server 25, and the network server 25 analyzes the uploaded maintenance processing data and re-enters the maintenance processing analysis data which is the analyzed maintenance processing data again. Download to station 31. Here, the workstation 31 reads the downloaded maintenance processing analysis data and controls the remote sensing unit 11 so that the air conditioner can be properly restarted if the air conditioner is not properly maintained by the operator. The air conditioner having abnormal symptoms caused by the repetition of step S7 is controlled to be able to restart correctly in real time.

At this time, when the branch manager is absent, call the head office manager and command the remote inspection and processing from the head office as necessary. (S8) In this case, the absence of the branch manager is output on the monitor of the PC of the manager in step S2. If there is no response to the pop-up window, if such a situation occurs, the alarm event of the network server 25 provided in the headquarters system 20 from the head office staff to the mobile communication terminal (cellular phone and PCS) SMS (Short Message Service) informs the alarm status so that the head office staff can perform remote inspection and processing.

In addition, the network server 25 transmits the processing result to the company through the workstation 21, and performs a function of transmitting the monthly driving status report data. In this case, the monthly operation status report data includes alarm status information related to abnormal symptoms generated by each air conditioner (including equipment management data including production year, etc.) controlled by individual remote monitoring units 11 distributed throughout the country. By being sent together, it is possible to predict abnormal symptoms that may occur in each air conditioner operated by the relevant air conditioning equipment company, thereby enabling air conditioning preliminary management to prevent this.

FIG. 5 is a block diagram illustrating automatic circulation checking and data transmission according to the present invention, and FIG. 6 is a block diagram illustrating information transmission and alarm flow according to the present invention.

In FIG. 5, it can be seen that the monitoring operation terminal of each branch office that checks the on-site air conditioning facility 10 transmits the circulating data to the network server 25. For example, the area classification is 01-Seoul, 02-Daejeon, 03-Busan, 04-Gwangju, 05-Jeju, the site code is assigned four digits of 0000, the equipment number is assigned three digits of 000, and the operation data is If OPR extension is given and alarm data is given an ARM extension, 010001001.OPR is classified as operation data for the 0001 site 001 equipment in Seoul area and stored and transmitted in the database.

In FIG. 6, when there is alarm data among data transmitted from the remote monitoring unit 11 in the field to the workstations 21 and 31 and the network server 25, the workstations 21 and 31 and the network server 25 are shown. ) Simultaneously drives an alarm eventer to quickly deliver the required alarms. Here, the alarm provided by the alarm event at the workstations 21 and 31 means that the alarm sound is output together with the pop-up window displayed as text on the monitor of the corresponding PC. The workstations 21 and 31 are provided. If there is no response from the person in charge of the alarm provided by the alarm event of the network server 25 detects this, the alarm event provided in the network server 25 includes the cellular phone and PCS of the head office personnel The mobile communication terminal is configured to notify the alarm status by a short message service (SMS).

At this time, considering the absence of the person in charge, a plurality of callees are selected and input so that the call can be made in three times.

In the system of the present invention, it is possible to manage, search, and output the management status of the contractor and the equipment status for each region. In addition, it can be seen that it is possible to perform various functions such as search and output of device management data by company, search and output of operation data by device, search and output of alarm data by company, and search and output of alarm data by device.

According to the above configuration and operation, the present invention has the effect of achieving high efficiency and low cost by remotely monitoring and processing air conditioning facilities such as air conditioners installed at contract sites scattered throughout the country at a certain place.

It is apparent to those skilled in the art that the present invention is not limited to the described embodiments, and that various modifications and variations can be made without departing from the spirit and scope of the present invention. Therefore, such modifications or variations will have to belong to the claims of the present invention.

Claims (4)

On the air-conditioning facility 10 installed at the contract site of a specific company, a remote monitoring unit 11 for generating monitoring information by generating individual control data and the controlled information of each part is included. In: If abnormal symptoms (alarm status information) occur on the air conditioner in each remote monitoring unit 11 in a certain area range, generate maintenance processing data which is a result of the air conditioner being repaired to restart properly, and maintain the generated data. A plurality of branch office systems 30 including a plurality of workstations 31 for receiving maintenance processing data through a communication network, a router 34 connected to the respective workstations 31 via a LAN 33, and If abnormal symptoms (alarm status information) occur on the air conditioner in each remote monitoring unit 11 in a certain area range, generate maintenance processing data which is a result of the air conditioner being repaired to restart properly, and maintain the generated data. And a plurality of workstations 21 for receiving maintenance data via a communication network, and a router 34 connected to each of the workstations 21 via a LAN 33, wherein the plurality of branch office systems 30 are provided. It analyzes all the maintenance processing data including maintenance processing data transmitted from the system and saves the maintenance processing analysis data which is the result of processing in the database. And a network server 25 for controlling transmission to the workstations 21 and 31 included in the plurality of branch office systems 30. Headquartered system 20, And a frame relay 40, which is a data transmission path for stably transmitting data between the routers 34 of the branch office systems and the routers 24 of the head office system. Management system. delete The method of claim 1, Among the data transmitted from the network server 25, the operation status report data for each cycle includes an abnormal symptom related alarm generated for each air conditioner among the monitoring information generated by the remote sensing units of the head office system 20 and the branch system 30. A management system for an air conditioning system using a network comprising status data (including information on the production year of the air conditioner in which an abnormal symptom occurs). The method of claim 1, The individual workstations 21 and 31 provided in the head office system 20 and the branch office system 30 may generate a maintenance process data by recognizing this when an abnormal symptom (alarm status information) occurs on the air conditioner. In order to be recognized by the person in charge, a pop-up window and an alarm sound displayed in text on the monitor of the PC connected to the workstations 21 and 31 are processed several times, and the response to the generated alarm process is answered. If there is not, the network server (25) that recognizes this, the management system of the air conditioning equipment using the network, characterized in that for transmitting the SMS to the mobile communication terminal of the person in charge several times.