KR20070068867A - Unifying control system for multi-airconditioner and error control method thereof - Google Patents

Abstract

An integral control system for a multi-type air conditioner and an error control method thereof are provided to report error states of an air conditioner from which abnormal states are sensed after re-checking of the abnormal states for precise diagnosis and fast countermeasures. An integral control system for a multi-type air conditioner includes local controllers(200) for carrying out control for a plurality of air conditioners installed in a building by receiving and transmitting data from or to the air conditioners. An integral management server(100) is connected to at least one or more local controllers for sensing abnormal states of the air conditioners according to the state information data of the air conditioners received from the local controllers, and classifies the states, wherein failure history data on the abnormal states are transmitted to a service center by e-mail or SMS(Short Message Service) after a predetermined time. The integral management server includes a DB server(400) for storing data such as the state information data received from the local controllers, and product information and set information data of the air conditioners and the local controllers.

Description

Unifying control system for multi-airconditioner and error control method

1 is an overall configuration diagram of a multi-air conditioning integrated management system according to the prior art,

2 is a flow chart showing an error notification method of a multi-air conditioner integrated management system according to the prior art,

3 is an overall configuration diagram showing a multi-air conditioning integrated management system according to the present invention,

Figure 4 is a block diagram showing in detail the internal configuration of the multi-air conditioning integrated management system according to the present invention,

5 is a flowchart illustrating an error management method of a multi-air conditioner integrated management system according to the present invention;

6 is an exemplary view showing an embodiment of a multi-air conditioning integrated management system according to the present invention.

<Explanation of symbols on main parts of the drawings>

100: integrated management server 200: local controller

300: error management unit 400: DB server

310: error control module 330: error review module

340: timer 360: error notification module

The present invention relates to a multi-air conditioning integrated management system and an error management method thereof, and more particularly, accumulate and store abnormal state data of a multi-air conditioner, and notify an abnormal state of an air conditioner that maintains an error state after a predetermined time elapses. The present invention relates to a multi-air conditioner integrated management system and an error management method thereof, by recording a series of state information including an error occurrence time to more efficiently manage an abnormal state of each multi-air conditioner.

In recent years, as the use of air conditioners has increased greatly, indoor units are provided in every room in a home or office in a building, and multi-type air conditioners composed of outdoor units connected to the indoor units provided in each room are commonly referred to as multi-air conditioner systems. do.

1 is a configuration diagram schematically showing the configuration of a multi-air conditioning integrated management system according to the prior art.

Multi-air conditioner integrated management system according to the prior art is basically connected to each of the multi-air conditioner (30) consisting of at least one indoor unit and at least one outdoor unit connected to each indoor unit and connected to each outdoor unit built in one building It is configured to include a local controller 20 for monitoring the status of the outdoor unit and the indoor unit and control the operation of the integrated or individually.

Therefore, since the outdoor unit grasps the control state of each indoor unit and transmits the control state to the local controller 20, when a cooling command is directly input to one indoor unit, the local controller 20 receives any command to any indoor unit connected to any outdoor unit. It is possible to determine whether this is input, and accordingly to transmit a control command to adjust the degree of condensation of the refrigerant to the outdoor unit.

In addition, the multi-air conditioning integrated management system is configured to include at least one local controller 20 and the integrated management server 10 is connected through the Internet network to the integrated management of the operation state of each local controller 20, each multi When an abnormal condition occurs in the air conditioner 30 or the local controller 20, it is detected and notified to the manager or service center of the integrated management system.

However, in the case of the integrated management system of the multi-air conditioner according to the prior art configured as described above, if an error is detected in each of the multi-air conditioners 30 or the local controller 20, an error is immediately notified to the manager or service center. If a message is received, there is a problem that an overload occurs in the administrator or service center.

2 is a flowchart illustrating an error notification method of a multi-air conditioner integrated management system according to the prior art.

That is, the integrated management system of the multi-air conditioner according to the prior art receives the state information of each multi-air conditioner connected to the local controller, and analyzes the received state information data to determine whether the air conditioner is abnormal. (S1, S2).

As a result of the determination, when an abnormal state (error) occurs, error data is generated, stored in a database, and transmitted to an administrator or a service center. (S3, S4)

Therefore, while the error condition of the multi-air conditioner can be detected and responded promptly, if an error or a temporary error that requires no repair / maintenance occurs, an error message transmitted to the service center or the manager causes an overload.

For example, in more detail, in the case of a network failure, most of the time is a temporary failure except when a physical problem occurs in the network, so that the abnormal state can be automatically recovered after a certain time.

In particular, since a network failure may occur in multiple multi-air conditioners simultaneously, dozens of error messages may arrive at the manager or service center at the same time even in a temporary case, and data may be received from another local controller due to the overload. Can interfere.

In addition, even when an error occurs due to a mistake of the operation of the system user, if an error occurs during the user's input, the error message for this immediately arrives at the service center, thereby causing inconvenience to both the user and the service center. Can be.

The present invention has been made to solve the above-mentioned problems of the prior art, when the abnormal condition of the multi-air conditioner is detected only after a predetermined time elapses the condition of the air conditioner to maintain the error state only in the case of an air condition Multi-air conditioner integrated management system and error management method to record the minimum error occurrence time, type of error occurred, error review time and result so that the abnormal condition of each air conditioner can be managed more efficiently. The purpose is to provide.

Multi-air conditioning integrated management system according to the present invention for solving the above problems is a local controller for controlling the operation of the multi-air conditioner by transmitting and receiving data with a plurality of multi-air conditioner in the building, connected to at least one local controller And an integrated management server for detecting and classifying a state abnormality of each of the multi-air conditioners through the state information data of each multi-air conditioner received from the local controller, and transmitting the failure history data to the service center after a predetermined time elapses. It is characterized in that the configuration.

In addition, the error management method of the multi-air conditioner integrated management system according to the present invention has a first step of detecting the abnormal state of each multi-air conditioner through the state information data received from a plurality of multi-air conditioner built in several buildings, The second step of generating a failure history data according to the detection, and storing the failure history data of each of the multi-air conditioner generated for a predetermined time by operating a timer, and the accumulated history history data after the predetermined time And a third step of notifying the manager or service center of the integrated management system and receiving a corresponding command accordingly.

 The error management method of the multi-air conditioner integrated management system according to the second embodiment of the present invention is a first step of detecting an abnormal state of each multi-air conditioner through state information data received from a plurality of multi-air conditioners constructed in several buildings. And a second step of generating fault history data according to an abnormal state detected and operating a timer to accumulate and store fault history data of each of the multi-air conditioners generated for a predetermined time; Receiving the current status data from the multi-air conditioner corresponding to the data to review the abnormal condition, and selecting the failure history data of the multi-air conditioner to maintain the abnormal status as a result of the re-examination and notify the administrator or service center of the integrated management system Characterized in that comprises a step.

Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings. 3 is an overall configuration diagram showing a multi-air conditioning integrated management system according to the present invention.

Multi-air conditioning integrated management system according to the present invention is a plurality of multi-air conditioner built in the building, the local controller 200 for controlling the operation of the multi-air conditioner by transmitting and receiving data with the multi-air conditioner, in each building or by a certain unit An integrated management server 100 connected to the built-in local controller 200 to receive state information data of each of the multi-air conditioners from the local controller 200 and to collectively manage the multi-air conditioners and the local controller 200. It is configured to include.

In addition, the integrated management server 100 is a DB server 400 that stores data such as product information or setting information data of each of the local controller 200 and the multi-air conditioner and status information received from the local controller 200. It is configured to include.

Therefore, the integrated management server 100 determines the abnormal state of the multi-air conditioner through the status information data received from the local controller 200 and notifies the manager or service center of the management system. The format may be SMS or email as a basic format, but is not limited thereto.

4 is a detailed block diagram showing the internal configuration of the multi-air conditioning integrated management system according to the present invention, Figure 4a is a block diagram showing the overall internal configuration of the multi-air conditioning integrated management system, Figure 4b is the integrated management A block diagram showing an internal configuration of an error management unit of a server is shown.

That is, in the multi-air conditioner integrated management system according to the present invention, as shown in Figure 4a, the integrated management server 100, the state information of each of the multi-air conditioner is output and accordingly the user can input a control command A control program for generating a control program, a command data for executing a control command input from the control program, analyzing the received state information data, and a command data received from the control unit 110. It is configured to include a communication module 140 for transmitting to the controller 200 and the status information data received from the local controller 200 to the control unit 110.

In addition, the control program is configured to include a memory 120 for storing a drive program for driving the control program or setting data input from the control program.

The local controller 200 includes a UI 230 for inputting a user's operation command separately from the integrated management server 100 and outputting state information to the outside, and the UI 230 or the integrated management server 100. In accordance with the control command received from the) is configured to include a control unit 210 for controlling the operation of the corresponding air conditioner.

In addition, the memory 220 to store the setting information and status information of each of the multi-air conditioner connected to the local controller 200, and the communication module 240 to transmit and receive data with the integrated management server 100 It is configured to include.

On the other hand, the DB server 400 is a DB that stores data such as product information, setting information, status information and user information of each of the local controller 200 and the multi-air conditioner delivered through the integrated management server 100 ( 420, a database), a communication module 430 that enables data transmission and reception with the integrated management server 100, and a data request command of the integrated management server 100 is received through the communication module 430. It is configured to include a control unit 410 to retrieve the corresponding data from the DB (420) and transfer to the communication module (430).

In particular, the integrated management server 100 according to the present invention detects the abnormal state of each of the local controller 200 and the multi-air conditioner and generates failure history data according thereto, and integrates the history data selected according to a certain standard It includes an error management unit 300 for notifying the manager or service center of the management system to notify the abnormal state.

In this case, the configuration of the error management unit will be described with reference to FIG. 4B. 4B is a block diagram illustrating an internal configuration of the error management unit.

That is, the error management unit 300 analyzes the state information data of the multi-air conditioners received from each of the local controllers 200 to determine whether the outdoor unit / room of the multi-air conditioner is in a normal or abnormal state. ), A timer 340 for generating and outputting a signal informing that the predetermined time has elapsed, and failure history data generated during an operation time of the timer 340, and a time-lapse signal from the timer 340 is accumulated. When received, it is configured to include an error control module 310 for outputting the accumulated failure history data to the outside.

In addition, the error management unit 300 when the time lapse signal is received from the timer 340 checks the state of each air conditioner is determined to be an abnormal state again error determination module 330 to determine whether or not the abnormal state is maintained It is configured to include.

The error management unit 300 converts the data so that failure history data of the multi-air conditioner determined to be maintained by the error review module 330 is transmitted to the administrator or service center in the form of an email or SMS. It is configured to include an error notification module 360 to output.

The error management unit 300 may further include a temporary memory 350 in which state information data of each of the multi-air conditioners received from the control unit 110 is temporarily accumulated and stored while the timer 340 is operating. Can be.

At this time, the state determination module 320 compares the normal state data of each of the multi-air conditioners or the local controller 200 and the received state information data beforehand to match the normal state (operation), and if not, the abnormal state The abnormal state of the air conditioner can be determined by a method such as (operation), but is not limited to the presented method.

In addition, the error review module 330 requests the current state data to each air conditioner classified as an abnormal state when the time elapsed signal is received, and the failure history data and the request in which the abnormal state is recorded when the requested state data is received. Accordingly, by comparing the received state data, it is possible to determine whether the abnormal state is maintained or recovered.

Therefore, the failure history data is the time when the abnormal state is first detected by the status determination module 320, the type and number of the abnormal state, and whether or not to recover or maintain the abnormal state as a result of the re-examination by the error review module 330. Information may be recorded and transmitted to the DB server 400 and accumulated and stored for each multi-air conditioner or local controller.

The error management method of the multi-air conditioner integrated control system of the present invention configured as described above is as follows. FIG. 5 is a flowchart illustrating an error management method according to the present invention. FIG. 5A is a flowchart illustrating an entire error management method of an integrated control system, and FIG. 5B is a flowchart illustrating a rechecking method of the error review module.

6 is an exemplary view showing an embodiment of a multi-air conditioning integrated management system according to the present invention.

First, as shown in FIG. 6A, state information data is received from a plurality of multi-air conditioners built in several connected buildings.

The received state information data is transmitted to the error management unit of the integrated management server, and determines the abnormal state of each of the multi-air conditioner from the received state information data.

In this case, the abnormal state determination method of each of the multi-air conditioner compares the reference state information data generated when each of the multi-air conditioner normal operation and the state information data received from the multi-air conditioner, if the value is different from each other to an error state 6B, the fault history data is generated by recording the information on the normal or abnormal state of the corresponding multi-air conditioner as shown in FIG. 6B.

Next, it is determined whether there is a timer currently running. The timer is for preventing a notification message indicating an abnormal condition for a predetermined time from being transmitted to an administrator or service center of an integrated management system even when an abnormal condition is detected. When the timer is in operation, the timer generates the fault history data generated. Accumulate and store, and generate a timer for operation when there is no running timer. (S3 to S5)

When a predetermined time set in the timer has elapsed, the timer generates a notification signal and notifies it, and the error control module of the error management unit which receives the notification signal reads the fault history data accumulated and stored sequentially (S6 and S7). )

Next, the information on the fault history data is analyzed, and data is transmitted and received with the corresponding multi-air conditioner to check whether the multi-air conditioner maintains an abnormal state until the present time or is recovered and is in a normal state.

As a result of the re-examination, when the multi-air conditioner maintains an abnormal state as shown in FIG. 6C, the failure history data and error message are transmitted to the administrator or service center of the integrated management system to notify the error. (S9)

In this case, the error notification method may be applied via SMS or e-mail transmission through the mobile communication network.

Next, when the corresponding command message for the error message notified from the administrator or the service center is received, it reads it and executes the corresponding command to recover the abnormal state of the corresponding multi-air conditioner.

At this time, with reference to Figure 5b, the error re-check method in the error management method of the integrated management system in more detail as follows.

When the timer completes the operation, the fault history data stored temporarily is read. (S11)

The fault history data read is read to analyze and classify the kind of abnormal state such as an operation command error or a network error (S12).

Next, check the status of the corresponding multi-air conditioner according to the classified error type. That is, the data request command for the current status information is transmitted to the multi-air conditioner corresponding to the read failure history data, and when the current status information data is received from the multi-air conditioner, the received status information data is analyzed to analyze the failure history data. It is determined whether or not it matches the state information recorded in (S13, S14).

At this time, the failure history data records and updates the time at which the data request command is transmitted to the multi-air conditioner, the time at which the current state information data is received, and the current state information (S15).

On the other hand, if it is determined that the abnormal state data of the fault history data and the received current state data coincide with each other, the multi-air conditioner determines that the abnormal state is maintained and transmits the updated fault history data to the manager. S16, S17)

As described above, the multi-air conditioning integrated management system and the error management method thereof according to the present invention have been described with reference to the illustrated drawings, but the present invention is not limited by the embodiments and drawings disclosed herein, and the scope of the technical idea is protected. It can be easily applied by those skilled in the art within.

Multi-air conditioner integrated management system and its error management method according to the present invention configured as described above is determined whether or not the abnormal state occurred by rechecking after a certain time has elapsed when an abnormal state occurs in a predetermined multi-air conditioner and accordingly By recovering the fault condition, it is possible to diagnose the fault condition of each multi-air conditioner more accurately, and to notify the service center of the exact current fault condition and respond quickly according to the fault condition. There is an effect that can efficiently perform failure history management and repair.

Claims (16)

A local controller for controlling the operation of the multi-air conditioner by transmitting and receiving data to and from a plurality of multi-air conditioners built in the building; Connected to at least one local controller and detects and classifies a state abnormality of each of the multi air conditioners through state information data of each multi air conditioner received from the local controller, and transmits the failure history data according to the service center after a predetermined time. Multi-air conditioning integrated management system, characterized in that configured to include an integrated management server to transmit. The method of claim 1, The integrated management server is a multi-air conditioner integrated management system, characterized in that further comprises a DB server for accumulating and storing the setting information data and failure history data of each of the local controller and the multi-air conditioner connected thereto. The method of claim 1, The integrated management server may include a memory in which a driving program or setting data of the server is stored; And a controller including an error management unit for detecting an abnormality from the state information data received from each local controller by the driving program and generating a failure history data according to a predetermined time and transmitting the error history data to the service center. Multi-air conditioning integrated management system, characterized in that. The method of claim 3, wherein The error management unit includes a timer for generating and outputting a signal informing of the setting time elapsed; And an error control module for accumulating fault history data generated during the operation time of the timer and outputting the accumulated fault history data to the outside when a time elapsed signal is received from the timer. Integrated management system. The method of claim 4, wherein The error management unit includes an error review module for determining whether an abnormal state is recovered or maintained by receiving current state data of each air conditioner determined as an abnormal state when a time elapsed signal is received from the timer. Multi air conditioner integrated management system. The method of claim 5, The failure history data is a multi-air conditioner integrated management system, characterized in that the time when the first abnormal state is detected, the type of the abnormal state and whether or not the recovery or maintenance of the abnormal state determined by the error review module is recorded. The method of claim 5, The error management unit is configured to include a status determination module for analyzing the state information data of each of the multi-air conditioner transmitted from the control unit to determine the operation abnormality or state abnormality. The method of claim 5, The error management unit is configured to include an error notification module for converting the failure history data of the multi-air conditioner determined that the abnormal state is maintained by the error review module to be transmitted to the service center in the form of e-mail or SMS. Multi air conditioner integrated management system. The method of claim 5, The error management unit further comprises a temporary memory for temporarily accumulating and storing state information data of each of the multi air conditioners received from the control unit while the timer is operating. A first step of detecting an abnormal state of each multi-air conditioner through state information data received from a plurality of multi-air conditioners constructed in various buildings; A second step of generating fault history data according to the detection of an abnormal state and accumulating and storing fault history data of each multi-air conditioner generated for a predetermined time by operating a timer; And a third step of notifying the manager or the service center of the integrated management system and receiving a corresponding command after the predetermined time has elapsed. How to manage. The method of claim 10, The second step includes a history data generation process of generating fault history data in which setting information of the abnormal state air conditioner and a state occurrence time are recorded when an abnormal state is detected; A timer operating step of detecting whether the timer is operated and operating the timer according to a set time when the timer is not operated; And a cumulative storage process of temporarily accumulating and storing the fault history data generated while the timer is operating. The method of claim 10, The third step is an error management method of the integrated multi-air conditioner management system, characterized in that for transmitting the failure history data in the form of email or SMS over the Internet. The method of claim 10, The third step may further include an error rechecking process for re-determining whether each of the multi-air conditioners corresponding to the accumulated failure history data maintains an abnormal state after a predetermined time elapses. Error management method. A first step of detecting an abnormal state of each multi-air conditioner through state information data received from a plurality of multi-air conditioners constructed in various buildings; A second step of generating fault history data according to the detection of an abnormal state and accumulating and storing fault history data of each multi-air conditioner generated for a predetermined time by operating a timer; After a predetermined time elapses, the present condition data is received from the multi-air conditioners corresponding to the fault history data, and the abnormal state is reviewed. And a third step of notifying an administrator or a service center. The method of claim 14, The third step may further include an error response process of receiving and performing command data corresponding thereto from the manager or service center after notifying the selected failure history data. Error management method. The method of claim 14, The third step may include: a current data request process of reading temporary data stored temporarily after a predetermined time and analyzing types of abnormal conditions and requesting current status data from an air conditioner having an abnormal status; An error discrimination process of reading the current state data transmitted according to the request and comparing the abnormal state recorded in the history data with the read state data; In the case of the multi-air conditioner determined as the abnormal state to be maintained, the fault history data is updated and transmitted to the manager or the service center, and in the case of the multi-air conditioner determined to have recovered the abnormal state, the fault history data is updated and stored. Error management method of a multi-air conditioning integrated management system, characterized in that comprising an error notification process.

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