JP2023115397A - Maintenance support method and maintenance support program - Google Patents

Abstract

To provide a maintenance support method and a maintenance support program capable of facilitating recognition of an abnormality in an electronic appliance and identification of a method for coping with the abnormality.SOLUTION: The maintenance support method executed by a communication terminal 400 includes: a model information acquisition step of acquiring model information of an electronic appliance; a maintenance coping step of displaying, on an operation monitor screen, a maintenance coping receiving unit for receiving a link to a maintenance support screen corresponding to a model of the electronic appliance recognized from the model information; and a maintenance support screen display step of displaying, on a display unit, the maintenance support screen in response to a reception requesting operation to the maintenance coping receiving unit.SELECTED DRAWING: Figure 6

Description

The present invention relates to a maintenance support method and a maintenance support program.

Conventionally, a method has been proposed in which a communication terminal that communicates with the electrical appliance monitors the operating status of the electrical appliance (see, for example, Patent Document 1). Patent Document 1 discloses a configuration in which a communication terminal receives temperature detection information of storage chambers in the refrigerator and displays a monitor screen showing the temperature of each storage chamber on a display unit, and a configuration in which a refrigerator is equipped with a monitor screen that indicates the temperature of each storage chamber. A configuration is described in which an error code indicating the type of abnormality is displayed on the monitor screen.
Furthermore, in the configuration described in Patent Document 1, a button of "error code quick reference table" is displayed on the monitor screen, and when the "error code quick reference table" button is selected and operated, an error code and its explanation are displayed. it's shown.

Japanese Patent Application Laid-Open No. 2018-36740

In the invention described in Patent Document 1, a maintenance worker who performs maintenance of a refrigerator can visually check the general operating status of the refrigerator from the detected temperature of each compartment of the refrigerator displayed on the communication terminal. When an error code is displayed, a maintenance worker or the like can select and operate the "error code quick reference table" button to confirm the error code displayed on the monitor screen and its explanation.
However, since the type of abnormality covered by the error code is limited, when the maintenance worker recognizes the abnormality of the refrigerator from the temperature status shown on the monitor screen, the error code may not be displayed. In addition, although the error code is displayed, it may be difficult to understand the maintenance method for the abnormality only with the information obtained from the explanation of the error code quick reference table. There was the inconvenience of having to refer to documents such as manuals to find out how to deal with anomalies.
SUMMARY OF THE INVENTION It is an object of the present invention to provide a maintenance support method and a maintenance support program that can easily recognize an abnormality in an electrical appliance and identify a method for coping with the abnormality. do.

In order to solve the above-described conventional problems, the maintenance support method of the present invention provides maintenance of an electric appliance having a drive unit and a detection unit that detects a first physical quantity that changes according to the operation of the drive unit. wherein the communication terminal acquires operating status information indicating the operating status of the driving unit and the first physical quantity detected by the detecting unit. an operation monitor screen display step in which the communication terminal causes the display unit to display an operation monitor screen showing the operation status of the electrical appliance based on the operation status information; a model information acquisition step of acquiring the model information of the communication terminal, and a maintenance response reception unit that receives a link to a maintenance support screen corresponding to the model of the electrical appliance recognized from the model information on the operation monitor screen. and a maintenance support screen display step of displaying the maintenance support screen on the display section in response to an operation requesting reception to the maintenance support reception section.

Further, the program for maintenance support of the present invention supports maintenance of an electrical appliance provided with a drive unit and a detection unit that detects a first physical quantity that changes according to the operation of the drive unit, using a communication terminal having a display unit. an operating status information acquiring unit configured to acquire operating status information including the operating status of the drive unit and the first physical quantity detected by the detecting unit; An operation monitor screen display unit for displaying an operation monitor screen showing the operation status of the electrical appliance on the display unit of the communication terminal based on the operation status information, and a model information acquisition unit for acquiring model information of the electrical appliance. a maintenance handling unit for displaying on the operation monitor screen a maintenance support reception unit for accepting a link to a maintenance support screen corresponding to the model of the electrical appliance recognized from the model information; and a reception to the maintenance reception unit. It functions as a maintenance support screen display section for displaying the maintenance support screen on the display section according to a request operation.

As a result, a user of a communication terminal (such as a maintenance worker of an electrical appliance) who visits the location of an electrical appliance can detect an abnormality in the electrical appliance by viewing the operation monitor screen displayed on the display of the communication terminal. can be easily verified. Then, when the user recognizes an abnormality in the electric appliance, the user selects and operates the maintenance support reception part displayed on the operation monitor screen to quickly display the maintenance support screen and acquire information on how to deal with the abnormality. can do.

According to the maintenance support method and the maintenance support program of the present invention, the maintenance worker of the electrical appliance can recognize the operation status of the electrical appliance from the operation monitor screen displayed by the display unit of the communication terminal. Then, when the maintenance worker recognizes an abnormality in the electrical appliance, the maintenance support screen can be displayed by performing a selection operation of the maintenance response receiving section shown on the operation monitor screen. By checking the maintenance information according to the model of the electrical appliance on the maintenance support screen, the maintenance worker can quickly recognize the countermeasures for the abnormality without referring to the documents such as the maintenance manual. Therefore, it is possible for maintenance workers to easily recognize an abnormality in the electrical appliance and identify a method for coping with the abnormality.

An explanatory diagram of the situation in which maintenance of electrical appliances installed in a house is carried out 1 is a front external view of a refrigerator, which is an electrical appliance according to an embodiment; Explanatory drawing by cross section from the side of the refrigerator Explanatory drawing of the air flow in the refrigerator by the fan Refrigerator control block diagram Communication terminal control block diagram Flowchart of main routine by operation monitor program Flowchart of real-time display processing Explanatory diagram of the operation monitor screen Explanatory diagram of the layout display screen Flowchart of remote setting change processing Explanatory diagram of remote setting change screen Flowchart of maintenance support processing Explanatory diagram of the maintenance support screen Explanatory diagram of disassembly procedure correspondence screen Explanatory diagram of the screen corresponding to the disassembly procedure in the refrigerator compartment Explanatory diagram of execution procedure screen of sub-process 1 Explanatory diagram of execution procedure screen of sub-process 2 Explanatory diagram of the action procedure screen corresponding to the error code Explanatory diagram of the execution procedure screen for sub-process 1 of the procedure corresponding to the error code

A first invention is a maintenance support method for supporting maintenance of an electrical appliance having a drive unit and a detection unit that detects a first physical quantity that changes according to the operation of the drive unit, using a communication terminal having a display unit. an operating status information acquiring step in which the communication terminal acquires operating status information indicating the operating status of the driving unit and the first physical quantity detected by the detecting unit; and an operation monitor screen display step for displaying an operation monitor screen showing an operation status of the electrical appliance on the display unit based on the information; and a model information acquisition step for the communication terminal to acquire model information of the electrical appliance. a maintenance support step in which the communication terminal displays, on the operation monitor screen, a maintenance support reception unit that receives a link to a maintenance support screen corresponding to the model of the electrical appliance recognized from the model information; and the maintenance support reception. and a maintenance support screen display step of displaying the maintenance support screen on the display unit in response to an operation requesting acceptance to the unit.
According to the first invention, in the operation status information acquisition step, the communication terminal acquires operation status information indicating the operation status of the drive unit of the electrical appliance and the first physical quantity detected by the detection unit. Then, the communication terminal displays, on the display unit, an operation monitor screen showing the operation status of the electrical appliance based on the operation status information in the operation monitor screen display step. In addition, the communication terminal acquires the model information of the electric appliance by the model information acquisition step, and displays the maintenance support receiving section on the operation monitor screen by the maintenance support step. Then, in the maintenance support screen display step, the communication terminal displays the maintenance support screen on the display unit when an operation for requesting reception to the maintenance support reception unit is performed on the operation monitor screen. As a result, the maintenance worker of the electrical appliance can check the operation status of the electrical appliance on the operation monitor screen and recognize the abnormality of the electrical appliance. Then, when an abnormality in the electrical appliance is recognized, the maintenance worker can display the maintenance support screen and easily confirm how to deal with the abnormality.

In a second aspect based on the first aspect, in the maintenance support screen display step, the communication terminal displays the maintenance support screen displaying failure information related to the model of the electrical appliance recognized from the model information, displayed on the display unit.
According to the second invention, by displaying the failure information related to the model of the electrical appliance on the maintenance support screen, the maintenance worker is made to recognize the failure information specific to the model and respond to the abnormality of the electrical appliance. It can facilitate the identification of measures.

In a third invention according to the first invention or the second invention, in the maintenance support screen display step, the communication terminal displays the maintenance support screen for receiving start or stop of operation of the drive unit on the display unit. , and when the communication terminal accepts the start or stop of the operation of the driving unit in response to the display of the maintenance support screen, the electric appliance is operated when the start of operation is accepted and a drive section operation corresponding step for instructing the stop of the operation when the stop of the operation is received.
According to the third invention, the maintenance worker of the electrical appliance can operate the driving section to start and stop using the communication terminal, and can confirm the normal operation of the driving section. In addition, the maintenance worker can switch between operating and stopping the driving unit according to the content of the maintenance work.

In a fourth invention, in any one of the first to third inventions, the model information is associated with a plurality of problems that may occur in the electrical appliance and corresponding measures for resolving each of the problems. and work procedure data in which work procedures for carrying out each of the plurality of handling processes included in the trouble handling data are associated with each other, and in the maintenance support screen display step, the communication The terminal displays, on the display unit, the maintenance support screen that displays a defect information reception unit that receives input of defect information for the electrical appliance, and the defect information is input by an operation requesting reception to the defect information reception unit. when the trouble handling data is referred to, a countermeasure corresponding to the inputted trouble information is extracted, and a work procedure for the extracted countermeasure is extracted by referring to the work procedure data, Displayed on the maintenance support screen.
According to the fourth invention, the maintenance worker of the electric appliance can check the work procedure for dealing with the problem by inputting the problem information into the problem information receiving section of the maintenance support screen.

In a fifth aspect of the invention, the work procedure data includes video data showing the work procedure, and in the maintenance support screen display step, the communication terminal displays the work procedure as a video obtained by reproducing the video data. Display on the support screen.
According to the fifth aspect, the maintenance worker can easily confirm the work procedure for the trouble shooting by viewing the moving image showing the work procedure.

In a sixth aspect based on any one of the first to fifth aspects, the model information includes disassembly procedure data indicating a disassembly procedure for the electrical appliance, and the maintenance support screen display step includes: , the communication terminal shows a product configuration diagram showing a plurality of components constituting the electrical appliance, and disassembles the selected components step by step according to a first selection operation in the product configuration diagram. An exploded configuration diagram is displayed on the maintenance support screen, a disassembly procedure corresponding to the portion selected by the second selection operation in the exploded configuration diagram is extracted by referring to the disassembly procedure data, and the extracted disassembly procedure is extracted. , is displayed on the maintenance support screen.
According to the sixth invention, a maintenance worker for an electrical appliance can confirm the disassembly procedure by selecting a portion to be disassembled for maintenance from the product configuration diagram.

In a seventh aspect based on the sixth aspect, the disassembly procedure data includes video data indicating the disassembly procedure, and in the maintenance support screen display step, the communication terminal displays the disassembly procedure and the video data. The reproduced moving image is displayed on the maintenance support screen.
According to the sixth aspect, the maintenance worker can easily confirm the disassembly procedure for the selected portion by viewing the moving image showing the disassembly procedure.

In an eighth invention, the communication terminal detects a second physical quantity and transmits, by radio, detection information indicating the second physical quantity detected by the wireless detector. a second physical quantity information obtaining step of obtaining second physical quantity information indicating two physical quantities; The operation monitor screen showing the second physical quantity recognized from the second physical quantity information together with the physical quantity is displayed on the display unit.
According to the eighth invention, the maintenance worker places the wireless detector at a location where the second physical quantity is desired to be confirmed, thereby displaying the detected value of the second physical quantity at the location on the operation monitor screen. abnormalities can be determined.

In a ninth aspect of the invention, the electrical appliance is a refrigerator having a plurality of storage chambers, the drive unit is a compressor and a fan for sending cool air to the storage chamber from a duct communicating with the storage chamber, and the detection The unit is a temperature sensor that is individually provided in each of the storage chambers and detects temperature as the first physical quantity, and the wireless detector detects temperature as the second physical quantity.
According to the ninth invention, the maintenance worker of the refrigerator confirms the operation status of the compressor and the fan displayed on the operation monitor screen, the temperature detected in each storage room, and the temperature detected by the wireless detector, and abnormalities can be determined.

In a tenth aspect of the present invention, when a predetermined condition for starting determination of normal operation is satisfied, the communication terminal uses the wireless detector placed in the vicinity of the outlet of cold air from the duct to the storage chamber by the fan. A normal operation determination step of repeatedly receiving the transmitted detection information and determining normal operation of the refrigerator based on a change in the detected temperature recognized from the detection information.
According to the tenth invention, it is possible to recognize that the compressor is operating and cool air is being delivered to the storage chamber based on a change in the temperature detected by the wireless detector placed near the cool air delivery port. Therefore, it can be quickly determined that the refrigerator is operating normally.

An eleventh invention is implemented by a communication terminal having a display unit to support maintenance of an electric appliance having a driving unit and a detecting unit that detects a first physical quantity that changes according to the operation of the driving unit. A program comprising: an operation status information acquisition unit configured to acquire operation status information including the operation status of the driving unit and the first physical quantity detected by the detection unit; an operation monitor screen display unit for displaying an operation monitor screen showing the operation status of the electrical appliance on the display unit of the communication terminal; a model information acquisition unit for acquiring model information of the electrical appliance; and the operation monitor. a maintenance response unit for displaying on a screen a maintenance support reception unit that receives a link to a maintenance support screen corresponding to the model of the electrical appliance recognized from the model information; and a maintenance support screen display section for displaying the maintenance support screen on the display section.
According to the eleventh invention, the program of the tenth invention is executed by the communication terminal, and the communication terminal is used as an operation status information acquisition unit, an operation monitor screen display unit, a maintenance support reception unit, and a maintenance support screen display unit. By making it function, the same effects as those of the first invention can be obtained.

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments of the present invention will be described with reference to the drawings. It should be noted that the present invention is not limited by this embodiment.

[1. Mode of use of communication terminal]
FIG. 1 shows a mode of use of a communication terminal in which the operation monitoring method and operation monitoring program of the present invention and the maintenance support method and maintenance support program of the present invention are executed. The communication terminal 400 of this embodiment is a tablet-type communication terminal having a touch panel 460 . A maintenance worker PS, who is a user of the communication terminal 400, visits the house H to perform maintenance (inspection, adjustment, repair, etc.) of the refrigerator 1 (corresponding to the electrical appliance of the present invention). 400 is used.

The refrigerator 1 includes a controller 100 that controls the operation of the refrigerator 1, and an operation panel 15 that sets operating conditions (operating parameters) of the refrigerator 1, displays error codes, and the like. The controller 100 periodically (for example, for several minutes to several tens of minute).

Then, the controller 100 sends current first information indicating the current operating state of the driving unit and the temperature detected by the sensor at the current time (corresponding to the predetermined time of the present invention) recognized by monitoring, and the time of monitoring to the house H. and the communication network 510 to the management server 520. The management server 520 receives the current first information, adds it to the operation history data 521, and records it. The management server 520 also stores model-specific data 522 in which information about various electric appliances such as refrigerators, washing machines, televisions, and air conditioners is recorded for each model. The model-specific data 522 includes defect handling data, work procedure data, disassembly procedure data, and moving image data of the present invention.

Communication terminal 400 also communicates with management server 520 via gateway 500 and communication network 510 to acquire operation history information of refrigerator 1 recorded in operation history data 521 . Communication terminal 400 also acquires model-specific data for the model of refrigerator 1 from management server 520 . In addition, communication terminal 400 performs wireless communication with wireless temperature sensor 300 that wirelessly transmits detection data, and acquires temperature information detected by wireless temperature sensor 300 .

[2. Refrigerator configuration]
The configuration of the refrigerator 1 will be described with reference to FIGS. 2 to 4. FIG. FIG. 2 is an explanatory view showing the front appearance of the refrigerator 1. As shown in FIG. As shown in FIG. 2, the refrigerator 1 has a main box body 2 that opens to the front. A chamber 60 is formed. In addition, a partial/chilled switching compartment 20 is arranged in the refrigerating compartment 10 . The refrigerating compartment 10, the partial/chilled switching compartment 20, the ice making compartment 30, the fresh freezing compartment 40, the freezing compartment 50, and the vegetable compartment 60 correspond to storage compartments of the present invention.

The front opening of the refrigerator compartment 10 is provided with a rotating left door 11a and a rotating right door 11b. An operation panel 15 is provided on the inner wall on the left side of the refrigerating compartment 10 for changing operating conditions of the refrigerator 1, displaying errors, and the like. The ice making compartment 30, the fresh freezing compartment 40, the freezing compartment 50, and the vegetable compartment 60 are provided with drawers 31, 41, 51, and 61 for storing food, respectively.

Next, FIG. 3 is an explanatory diagram showing a cross section of the internal structure of the refrigerator 1 as viewed from the right side. The refrigerator compartment 10 is provided with a left door opening/closing sensor 12a for detecting the opening/closing state of the left door 11a and a right door opening/closing sensor 12b for detecting the opening/closing state of the right door 11b. The left door open/close sensor 12a outputs a closed detection signal when the left door 11a is closed, and outputs an open detection signal when the left door 11a is open. Similarly, the right door open/close sensor 12b outputs a closed detection signal when the right door 11b is closed, and outputs an open detection signal when the right door 11b is open.

The ice making chamber 30 is provided with an ice making chamber open/close sensor 32 for detecting opening and closing of the opening of the ice making chamber 30 . An ice making chamber opening/closing sensor 32 outputs a closed detection signal when the drawer 31 is accommodated in the ice making chamber 30, and outputs an open detection signal when the drawer 31 is pulled out from the ice making chamber 30. - 特許庁Similarly, the fresh-freezing chamber 40 is provided with a fresh-freezing chamber open/close sensor 42 for detecting opening and closing of the opening of the fresh-freezing chamber 40 . Further, the freezer compartment 50 is provided with a freezer compartment opening/closing sensor 52 for detecting opening/closing of the opening of the freezer compartment 50, and the vegetable compartment 60 is provided with a vegetable compartment opening/closing sensor 62 for detecting opening/closing of the opening of the vegetable compartment 60. is provided. The fresh freezing compartment open/close sensor 42 , the freezer compartment open/close sensor 52 , and the vegetable compartment open/close sensor 62 output closed detection signals and open detection signals, like the ice making compartment open/close sensor 32 .

The refrigerating chamber 10 is provided with a refrigerating chamber temperature sensor 13 for detecting the temperature inside the refrigerating chamber 10, and the partial/chilled switching chamber 20 is provided with a switching chamber temperature sensor 23 for detecting the temperature inside the partial/chilled switching chamber 20. is provided. The ice making compartment 30 is provided with an ice making compartment temperature sensor 33 for detecting the temperature inside the ice making compartment 30, and the fresh freezing compartment 40 is provided with a fresh freezing compartment temperature sensor 43 for detecting the temperature inside the fresh freezing compartment 40. ing. The freezer compartment 50 is provided with a freezer compartment temperature sensor 53 that detects the temperature inside the freezer compartment 50 , and the vegetable compartment 60 is provided with a vegetable compartment temperature sensor 63 that detects the temperature inside the vegetable compartment 60 .

A compressor 71 , a condenser 72 , and a machine room fan 73 are arranged in the upper machine room 70 . The evaporator 74 arranged in the duct 75 is connected to the compressor 71 and the condenser 72 through refrigerant paths (not shown) to form a refrigeration cycle. Air (cold air) cooled by the evaporator 74 is supplied to the duct 75 from a plurality of cold air outlets 79 provided in the duct 75 to the refrigerating chamber 10, the partial/chilled switching chamber 20, the ice making chamber 30, and the fresh freezing chamber 40. , the freezer compartment 50 and the vegetable compartment 60 are provided with a cooling fan 76 .

Furthermore, the duct 75 is provided with a fresh-freezing chamber fan 77 for sending cool air to the fresh-freezing chamber 40 and a defrosting temperature sensor 78 for detecting the temperature of the evaporator 74 . An evaporating dish 81 and an evaporating dish fan 82 are provided in the lower machine room 80 . FIG. 3 shows an example in which a wireless temperature sensor 300 is placed near the cool air outlet 79 of the refrigerator compartment 10 . In this way, by placing the wireless temperature sensor 300 at an arbitrary location where the temperature is desired to be checked, the temperature at the arbitrary location can be checked with the communication terminal 400, as will be described later.

Next, FIG. 4 is an explanatory diagram of the air flow in the refrigerator 1 by the fan. The air cooled by the evaporator 74 in the cooling compartment 95 is passed through the duct 75 by the cooling fan 76 to the refrigerator compartment 10, the partial/chilled switching compartment 20, the ice making compartment 30, the fresh freezing compartment 40, the freezing compartment 50, and the vegetable compartment 60. is sent to Cool air is also delivered from the duct 75 to the fresh freezer compartment 40 by the fresh freezer compartment fan 77 .

The duct 75 is provided with a refrigerating compartment damper 90 that adjusts the amount of cool air supplied to the refrigerating compartment 10 as a damper for adjusting the amount of cool air supplied by opening and closing, and a refrigerating compartment damper 90 that adjusts the amount of cool air supplied to the partial/chilled switching compartment 20 . A partial/chilled switching compartment damper 91 that controls the temperature, a vegetable compartment damper 92 that adjusts the amount of cool air supplied to the vegetable compartment 60, and a freezer compartment damper 93 that adjusts the amount of cool air supplied to the freezer compartment 50 are provided.

Cold air supplied from the cooling chamber 95 to the refrigerator compartment 10, the partial/chilled switching compartment 20, the ice making compartment 30, the fresh freezing compartment 40, the freezing compartment 50, and the vegetable compartment 60 through the duct 75 passes through a return duct (not shown). to return to the cooling room.

In the upper machine room 70, a machine room fan 73 draws outside air through the left vent to cool the condenser 72 and the compressor 71, and exhausts heat through the right vent. In the lower machine room 80, an evaporating dish fan 82 draws in outside air from the left ventilation hole to accelerate the evaporation of the defrosted water and cool an evaporating dish pipe (not shown), and exhaust heat from the right ventilation hole.

[3. refrigerator control block]
FIG. 5 is a control block diagram of the refrigerator 1. As shown in FIG. The controller 100 is an electronic circuit unit including a CPU 110, a memory 130, a communication section 140, a date/time recognition section 141, and the like. The controller 100 is connected to the operation panel 15 , and the operation signal of the operation panel 15 is input to the controller 100 , and the display of the operation panel is controlled by the control signal output from the controller 100 .

Temperature detection signals from the temperature sensors 13, 23, 33, 43, 53, 63, 17 and opening/closing detection signals from the opening/closing sensors 12a, 12b, 32, 42, 52, 62 are input to the controller 100. FIG. Also, the operation of the compressor 71, the fans 73, 76, 77, 82, and the dampers 90, 91, 92, 93 is controlled by control signals output from the controller 100. FIG.

The communication unit 140 wirelessly communicates with the management server 520 via the communication network 510 . Also, the communication unit 140 wirelessly communicates with the communication terminal 400 via the communication network 510 or directly. Wireless communication via the communication network 510 is performed by Wi-Fi (registered trademark) or the like. Direct wireless communication with the communication terminal 400 is performed by Wi-Fi Direct, Bluetooth (registered trademark), or the like. The date and time recognition unit 141 counts the current date and time and outputs date and time information indicating the current date and time to the CPU 110 .

The CPU 110 functions as a main control unit 111 , a maintenance support unit 112 , and an operation history storage unit 113 by executing a refrigerator control program 131 stored in the memory 130 . The main control unit 111 controls the temperature detection signals output from the temperature sensors 13, 23, 33, 43, 53, and 63 of the refrigerator 1 to control the refrigerator compartment 10, the partial/chilled switching compartment 20, the ice making compartment 30, and the fresh freezing compartment 40. , freezer compartment 50, and vegetable compartment 60.

Then, the main control unit 111 controls the operation of the compressor 71, the fans 73, 76, 77, 82, and the dampers 90, 91, 92, 93 based on the recognized temperature, thereby refrigerating chamber 10, partial Controls the temperatures of the /chilled switching compartment 20, the ice making compartment 30, the fresh freezing compartment 40, the freezing compartment 50, and the vegetable compartment 60.

The maintenance handling unit 112 performs processing in the test mode and service mode according to the operation of the operation panel 15 . In the test mode, the maintenance handling unit 112 executes a confirmation test of ice making, the number of revolutions of the compressor 71, and other controls. Further, in the service mode, the maintenance support unit 112 updates the temperature detected by the temperature sensors 13, 23, 33, 43, 53, 63, the operating frequency of the compressor 71, the accumulated operating time of the compressor 71, etc. Display on the display.

Further, when the maintenance support unit 112 receives the real-time monitoring start information transmitted from the communication terminal 400 , the maintenance support unit 112 transmits to the communication terminal 400 current first information indicating the operating status of the refrigerator 1 at the current time. The current first information includes the date and time of the current time (measurement time), the temperature detected by the temperature sensor at the current time, the opening/closing status of each chamber detected by the opening/closing sensors 12a, 12b, 32, 42, 52, and 62, the compressor 71 , operating conditions of the fans 73, 76, 77, 82, open/closed states of the dampers 90, 91, 92, 93, and the like. The current first information corresponds to the operating status information of the present invention.

The operation history storage unit 113 collects the current temperature detected by the temperature sensors 13, 23, 33, 43, 53, 63, the opening/closing sensors 12a, 12b, The opening/closing status of each chamber detected by 32, 42, 52, 62, the operating status of compressor 71, the operating status of fans 73, 76, 77, 82, etc. are recognized. The operation history storage unit 113 then transmits the recognized information and the operation monitor information indicating the measurement time point to the management server 520 via the communication unit 140 . Note that the operation history for the most recent past several days may also be stored in the memory 130 .

[4. Configuration of communication terminal]
The configuration of communication terminal 400 will be described with reference to FIG. The communication terminal 400 includes a control unit 410 , a communication section 450 , a speaker 451 , a touch panel 460 and a storage section 470 .

The control unit 410 is an electronic circuit unit including a CPU (Central Processing Unit) 420, a memory 430, and an interface circuit (not shown). The CPU 420 functions as an operation monitor control unit 421 by executing the operation monitor program 431 stored in the memory 430 . The CPU 420 also functions as a maintenance support control unit 422 by executing a maintenance support program 432 stored in the memory 430 . The maintenance support program 432 may be integrated with the operation monitor program 431 , or conversely, the maintenance support program 432 may be integrated with the operation monitor program 431 .

Control unit 410 is connected to communication section 450 , speaker 451 , touch panel 460 , and storage section 470 . The communication unit 450 wirelessly communicates with the management server 520 via the communication network 510 and directly communicates with the refrigerator 1 and the wireless temperature sensor 300 . The touch panel 460 includes a flat-panel display 461 configured by a liquid crystal panel or the like, and touch switches 462 arranged to cover the surface of the display 461 . The display 461 displays various screens according to the image control signal output from the control unit 410 . The touch switch 462 inputs an operation signal to the control unit 410 according to a touch operation by the maintenance worker PS or the like.

The maintenance support control unit 422 acquires the model-specific data 480a for the model of the refrigerator 1 through communication with the management server 520 in response to the operation of the touch switch 462 by the maintenance worker PS, and stores it in the storage unit 470. . Similarly, the maintenance handling unit 112 acquires model-specific data 480b, 480c, . The process by which the maintenance support unit 112 acquires the model-specific data 480a, 480b, 480c, . It corresponds to the model-specific information acquisition unit.

In the model-specific data 480a, trouble handling data 481a indicating countermeasures for solving troubles that may occur in the model of the refrigerator 1, work procedure data 482a indicating procedures of the countermeasures, and moving images explaining the countermeasures. Work moving image data 483a and the like are included. The same applies to the model-specific data 480b, 480c, .

[5. Processing by communication terminal]
The control unit 410 of the communication terminal 400 executes the operation monitor program 431 and the maintenance support program 432 by the CPU 420 when the maintenance worker PS starts the operation monitor application. Then, when the model of the refrigerator 1 is selected, the operation monitor control section 421 and the maintenance support control section 422 execute the processing according to the flowchart shown in FIG.

In step S<b>1 in FIG. 7 , the operation monitor control unit 421 establishes wireless communication with the refrigerator 1 . The operation monitor control unit 421 then repeats the loop of steps S2 to S5. In step S2, the operation monitor control unit 421 displays the operation monitor screen WM0 shown in FIG. The operation monitor control unit 421 displays the operation monitor screen WM0 and operation monitor screens WM1 and WM2, which will be described later, on the display device 461, and corresponds to the operation monitor screen display step of the present invention.

9, the operation monitor screen WM0 includes a model display portion 700 indicating the model and serial number of the refrigerator 1, and a maintenance button 701 for instructing switching to a maintenance support screen (to be described later). a graph/illustration switching button 702 for instructing switching to an illustration monitor screen, which will be described later, a real-time data acquisition button 703 for instructing display of the driving situation from the current time, and a remote setting change, which will be described later. A remote setting change button 704 for instructing switching to the screen and a display target selection button 705 for selecting a display target are displayed. The process of displaying the maintenance button 701 corresponds to the maintenance support step in the maintenance support method of the present invention, and the configuration of displaying the maintenance button 701 corresponds to the maintenance support unit of the present invention.

In the next step S3, when the maintenance worker PS touches the real-time data acquisition button 703 and selects "real-time data acquisition", the operation monitor control unit 421 advances the process to step S100 and " real-time display processing". Further, in step S4, when the maintenance worker PS touches the remote setting change button 704 and selects "remote setting change", the operation monitor control unit 421 advances the process to step S200 to " Remote setting change process". Further, in step S5, when the maintenance operator PS touches the maintenance button 701 and selects "maintenance support", the operation monitor control unit 421 advances the process to step S300 to perform "maintenance support processing". ”.

[6. Real-time display processing]
The execution procedure of the "real-time display process" will be described according to the flowchart shown in FIG. In step S101 of FIG. 8, the operation monitor control unit 421 acquires the current first information indicating the current operation status and detection status of the driving unit from the refrigerator 1 . The drive unit includes a compressor 71, a machine compartment fan 73, a cooling fan 76, a fresh freezing compartment fan 77, an evaporating dish fan 82, a refrigerating compartment damper 90, a partial/chilled switching compartment damper 91, a vegetable compartment damper 92, and a freezing compartment. A damper 93 is included. The process of step S101 corresponds to the operation status information acquisition step in the maintenance support method of the present invention, and the configuration for performing the process of step S101 corresponds to the operation status information acquisition unit.

The detected conditions include temperatures detected by the refrigerator compartment temperature sensor 13, the switching compartment temperature sensor 23, the ice making compartment temperature sensor 33, the fresh freezing compartment temperature sensor 43, the freezer compartment temperature sensor 53, and the vegetable compartment temperature sensor 63. Furthermore, the detection status includes the opening/closing states detected by the left door opening/closing sensor 12a, the right door opening/closing sensor 12b, the ice making compartment opening/closing sensor 32, the fresh freezing compartment opening/closing sensor 42, the freezer compartment opening/closing sensor 52, and the vegetable compartment opening/closing sensor 62. is included.

In subsequent step S<b>102 , operation monitor control unit 421 determines whether or not wireless communication with wireless temperature sensor 300 is established. The communication between the communication terminal 400 and the wireless temperature sensor 300 may be established automatically when the power of the wireless temperature sensor 300 is turned on, or may be performed by a connection operation by the maintenance operator PS. You may do so.

When communication between communication terminal 400 and wireless temperature sensor 300 is established, operation monitor control section 421 advances the process to step S110. On the other hand, when communication between communication terminal 400 and wireless temperature sensor 300 has not been established, operation monitor control section 421 advances the process to step S103. In step S110, the operation monitor control unit 421 receives current second information indicating the current temperature detected by the wireless temperature sensor 300 from the wireless temperature sensor 300, and advances the process to step S103. The current second information corresponds to the second physical quantity information of the present invention.

In step S103, the operation monitor control unit 421 displays real-time data acquisition information 710 as shown in FIG. The real-time data acquisition information 710 displays a temperature transition graph 711 showing the transition of the temperature detected by the temperature sensor from the start of the "real-time display process" and an operating condition graph 712 showing the operating condition of the drive unit.

In FIG. 9, the temperature transition graph 711 shows the outside air temperature (the temperature detected by the outside air temperature sensor 17), the defrosting sensor temperature, the freezer compartment temperature (the temperature detected by the freezer compartment temperature sensor 53, indicated as FC temperature in FIG. 9), vegetables An example of displaying the room temperature (the temperature detected by the vegetable compartment temperature sensor 63, indicated as VC temperature in FIG. 9) and the refrigerator compartment temperature (the temperature detected by the refrigerator compartment temperature sensor 13, indicated as PC temperature in FIG. 9) is shown. ing. The temperature shown in the temperature transition graph 711 is the display object selected by the display object selection button 705 (all room information, refrigerator compartment, ice making compartment, freezer compartment, or vegetable compartment). In addition, the operation monitor control unit 421 also displays the temperature detected by the wireless temperature sensor 300 together with the temperature transition graph 711 when the current second information is acquired in step S110.

The operating status graph 712 shows an example of displaying the operating status of the compressor 71, the cooling fan 76 (indicated as FC fan in FIG. 9), and the freezer compartment damper 93 (indicated as FC damper in FIG. 9). In addition, the operation monitor control unit 421 controls the machine room fan 73, the fresh freezing room fan 77, the evaporating dish fan 82, the refrigerating room damper 90, the partial/chilled switching room damper 91, and the The operation status of the vegetable compartment damper 92 is similarly displayed.

The operation monitor control unit 421 advances the process to step S106 to end the "real-time display process" when the maintenance worker PS performs a measurement end operation in step S104, or when the measurement period ends in step S105. do.

The operation monitor control unit 421 switches the operation monitor screen WM0 to the operation monitor screen WM1 shown in FIG. 10 when the graph/illustration switching button 702 is operated by the maintenance worker PS. A front layout 720a of the refrigerator 1 and a right side layout 720b of the refrigerator 1 are displayed on the operation monitor screen WM1.

In the front layout 720a, an operation panel state display section 721 showing setting states of operating conditions by the operation panel 15 and a display state 726 of the display section is shown. In addition, the opening/closing state 730 of the left door 11a and the right door 11b is shown at the location of the refrigerating chamber 10 in the front layout 720a, the opening/closing state 731 of the ice making chamber 30 is shown at the location of the ice making chamber 30, and the fresh freezing chamber 40 is shown. An open/closed state 732 of the fresh freezer 40 is shown at the point. In the front layout 720a, an open/closed state 733 of the freezer compartment 50 is shown at the location of the freezer compartment 50, and an open/closed state 734 of the vegetable compartment 60 is shown at the location of the vegetable compartment 60. FIG.

Furthermore, the operation monitor control unit 421 acquires the operation history data of the refrigerator 1 from the operation history data 521 of the management server 520, and the number of openings and closings of the refrigerator compartment 10 in the most recent past three days 740, the number of openings and closings of the ice making compartment 30, and so on. The time and number of times of ice making 741, the number of times of opening/closing of the fresh freezing compartment 40 and time 742, the number of times of opening/closing of the freezer compartment 50 and time 743, and the current outside temperature 744 are displayed on the front layout 720a.

On the right side layout 720b, the operating state 760 of the machine room fan 73 is displayed at the position of the machine room fan 73, the operating state 761 of the compressor 71 is displayed at the position of the compressor 71, and the fresh freezing chamber fan 77 is displayed. , the operating state 763 of the cooling fan 76 is displayed at the arrangement position of the cooling fan 76, and the operating state of the evaporating dish fan 82 is displayed at the arrangement position of the evaporating dish fan 82. is displayed.

Further, on the right side layout 720b, a detected temperature 750 of the refrigerating chamber temperature sensor 13 is indicated at the arrangement position of the refrigerating chamber 10, and a detected temperature 751 of the switching chamber temperature sensor 23 is indicated at the arranging position of the partial/chilled switching chamber 20. , and the detected temperature 752 of the fresh-freezing chamber temperature sensor 43 is indicated at the location of the fresh-freezing chamber 40 . In the right side layout 720b, the detected temperature 753 of the freezer compartment temperature sensor 53 is indicated at the arrangement position of the freezer compartment 50, and the detected temperature 754 of the vegetable compartment temperature sensor 63 is indicated at the arrangement position of the vegetable compartment 60. A detected temperature 755 of the defrosting temperature sensor 78 is indicated at the position where the defrosting temperature sensor 78 is arranged.

Further, on the right side layout 720b, the detected temperature 756 of the outside air temperature sensor 17 is shown at the arrangement position of the outside air temperature sensor 17, and the detected temperature 757 of the wireless temperature sensor 300 is shown between the front layout 720a and the right side layout 720b. shown.

In this way, the operation monitor screen WM1 includes the left door open/close sensor 12a, the right door open/close sensor 12b, the ice making compartment open/close sensor 32, the fresh freeze compartment open/close sensor 42, the freezer compartment open/close sensor 52, and the vegetable compartment in the front layout 720a. Current open/closed states 730, 731, 732, 733, and 734 detected by the open/close sensor 62 are indicated at detection target positions of the respective open/close sensors.

In addition, the right side layout 720b includes a refrigerating compartment temperature sensor 13, a switching compartment temperature sensor 23, a fresh freezing compartment temperature sensor 43, a freezing compartment temperature sensor 53, a vegetable compartment temperature sensor 63, an outside air temperature sensor 17, and a defrosting temperature sensor. Temperatures 750, 751, 752, 753, 754, 755, and 756 detected by 78 are indicated at detection target positions of the respective temperature sensors. Furthermore, on the right side layout 720b, the operating states (operation/stop) 760, 761, 762, 763, 764 are shown at the location of each drive. Further, the current temperature 757 detected by the wireless temperature sensor 300 is displayed on the operation monitor screen WM1.

Therefore, the maintenance worker PS can easily visually recognize the current temperature of each part of the refrigerator 1, the open/closed state of each room, the operation status of the driving part, and the temperature of the location where the wireless temperature sensor 300 is placed, on the operation monitor screen WM1. By doing so, the overall operation status of the refrigerator 1 can be confirmed. This can assist the maintenance worker PS in determining whether the refrigerator 1 is abnormal. Further, for example, when the user PU feels that the cooling of the refrigerator 1 is weak, the maintenance worker PS shows the operation monitor screen WM1 to the user PU of the refrigerator 1 to check the actual operation status of the refrigerator 1. can be explained. As a result, the maintenance worker PS can inform the user PU that the cause of weak cooling is not the malfunction of the refrigerator 1 but the arrangement of the products in the refrigerator, or the frequent opening and closing of the door. can be explained.

Further, when communication with wireless temperature sensor 300 has been established, operation monitor control unit 421 controls refrigerator 1 based on the degree of decrease in the temperature detected by wireless temperature sensor 300 from when refrigerator 1 started operating. The normal operation may be judged and the judgment result may be displayed on the display 461 . According to this configuration, the maintenance worker PS can quickly confirm normal operation of the refrigerator 1 by placing the wireless temperature sensor 300 near the cold air outlet 79 of the duct 75 . This normal operation determination process corresponds to the normal operation determination step of the present invention.

[7. Remote setting change process]
The execution procedure of the "remote setting change process" will be described according to the flowchart shown in FIG. In step S201 of FIG. 11, the operation monitor control unit 421, as shown in FIG. and the operation monitor screen WM2 showing the test mode menu 771 is displayed on the display 461.

The operator setting menu 770 includes maximum rotation speed switching (low noise) mode, minimum rotation speed switching (low vibration) mode, refrigerator room temperature adjustment, pipe heater power supply rate change, partial chilled room temperature adjustment, and turning off the blue LED in the refrigerator compartment. , electronic sound volume switching setting, eco-navi stop, humidity sensor duty ratio correction disabled, evaporator fan voltage fixed, partial LED white lighting, and vegetable compartment humidity sensor correction disabled Button for changing each parameter (operating condition) is shown. The test mode menu 771 shows buttons for setting each parameter in the test mode of cold room temperature, partial/chilled room temperature, freezer/fresh freezer/ice making room temperature, and ice making stop setting.

In the next step S202, when the operation monitor control unit 421 recognizes that either the operator setting menu 770 or the test mode menu 771 button has been touched, the process proceeds to step S210. In step S210, the operation monitor control unit 421 displays a popup screen for changing the parameter selected by the touch operation. FIG. 12 illustrates a pop-up screen 772 when the "maximum rotation speed switching (low noise) mode" is selected. The maintenance worker PS can touch the pop-up screen 772 to switch between ON (enabled) and OFF (disabled) of the maximum rotational speed switching (low noise) mode.

In subsequent step S211, the operation monitor control unit 421 transmits parameter change information for instructing change of parameter setting to the refrigerator 1 in response to the maintenance worker PS's transfer operation on the pop-up screen 772, and the process proceeds to step S203. proceed. In the refrigerator 1, the maintenance handling unit 112 of the controller 100 that receives the parameter change information changes the parameter setting according to the parameter change information.

In step S<b>203 , the operation monitor control unit 421 determines whether or not an end instruction has been given by touching the return switch 722 . Then, when the end instruction is issued, the process advances to step S204 to end the "remote setting change process" and return to the main routine process of FIG. The process of setting each parameter in the test mode by the "remote setting change process" corresponds to the test mode corresponding step of the present invention. Further, the process of changing the operation parameter of the refrigerator 1 by the "remote setting change process" corresponds to the operation parameter change step of the present invention.

[8. Maintenance support processing]
The execution procedure of the "maintenance support process" will be described according to the flowchart shown in FIG. The maintenance support control unit 422 displays the maintenance support screen MS0 shown in FIG. 14 on the display 461 in step S301 of FIG. The process by which the maintenance support control unit 422 displays the maintenance support screen MS0 and maintenance support screens MS1 to MSMS6, which will be described later, on the display 461 corresponds to the maintenance support screen display step of the present invention. Also, the configuration for executing the process of step S301 corresponds to the maintenance support screen display unit of the present invention.

Referring to FIG. 14, maintenance menu 800 is displayed on maintenance support screen MS0. The maintenance menu 800 includes repair work precautions 801, error code list 802, disassembly/assembly procedure 803, service mode 804, overview 805, installation method 806, circuit diagram 807, model-specific news 808, symptom-specific failure diagnosis 809, It contains item buttons for parts exploded view/price list 810, test mode 811, technical commentary 812, handling operation method 813, outline drawing 814, and QS practice text 815.

In subsequent step S302, the maintenance support control unit 422 determines whether or not any of the item buttons 801 to 815 of the maintenance menu 800 has been selected by touch operation. Then, the maintenance support control unit 422 advances the process to step S310 when any item button is selected, and advances the process to step S303 when the item button is not operated.

In step S310, the maintenance support control unit 422 displays on the display 461 the maintenance support screen corresponding to the selected item button. For example, when the disassembly/assembly procedure 803 item button is selected, the maintenance support control unit 422 displays the maintenance support screen MS1 shown in FIG.

The maintenance support screen MS1 corresponding to the disassembly/assembly procedure 803 includes a door layout diagram 820 showing the layout of the doors of the refrigerator 1, an interior layout diagram 821 showing the layout of the interior of the refrigerator 1, and the top surface of the refrigerator 1. A product configuration diagram including a top view 822 and a machine room layout diagram 823 showing the layout of the machine room of the refrigerator 1 is shown.

With respect to the door layout drawing 820, the maintenance worker PS touches the refrigerating compartment left door PCL, refrigerating compartment right door PCR, ice making compartment door IC, fresh freezing compartment door SC, freezing compartment door FC, and vegetable compartment door VC. Either can be selected. In addition, the maintenance worker PS can select any one of the inside of the refrigerator compartment, the ice-making/fresh-freezing/freezing compartment, and the vegetable compartment by a touch operation with respect to the interior layout diagram 821 . .

Furthermore, the maintenance worker PS can select the top surface of the top surface view 822 by touch operation. In addition, the maintenance worker PS can select either the upper machine room or the lower machine room in the machine room layout drawing 823 by touch operation.

In the maintenance support control unit 422, the maintenance worker PS operates any one of the door layout 820, the interior layout 821, the top view 822, and the machine room layout 823, and selects one of them. Sometimes, as shown in FIG. 16, a maintenance support screen MS2 showing a parts tree 830 (corresponding to an exploded configuration diagram of the present invention) in which the parts arranged at the selected location are tree-displayed according to the disassembly process is displayed. displayed on the device 461.

FIG. 16 illustrates a case where the maintenance worker PS selects the inside of the refrigerator compartment with respect to the inside layout diagram 821, starting from "1. Partial chilled door", "2. Partial plate top", " 3. Plate duct AS", .

The maintenance operator PS can select a part to be maintained from among the parts displayed in the parts tree 830 by touch operation. FIG. 16 shows a state in which "6. Inject tube AS" is selected, and in response to this selection, the maintenance support control unit 422 changes the configuration state of the parts indicated by the parts tree 830 shown in FIG. Partial chilled door”, “2. Partial plate top”, “3. Plate tank side AS”, and “4. , “5. Cover plate tank”, and “6. Inject tube AS”.

Then, as shown in FIG. 17, the maintenance support control unit 422 displays on the display 461 a maintenance support screen MS3 showing a sub-process list 840 listing the extracted sub-processes. In the sub-process list 840, display areas 841-846 of sub-processes 1-6 are displayed. The maintenance operator PS can select a sub-process for displaying the work procedure by touching any of the display areas 841-846 of the sub-processes 1-6.

FIG. 17 exemplifies a state in which sub-process 1 is selected, and the maintenance support control unit 422 refers to the model-specific data 480a for the model of the refrigerator 1 stored in the storage unit 470 to perform the sub-process. Acquire disassembly procedure data associated with 1 (description of the disassembly procedure and video data of the disassembly procedure). Then, the maintenance support control unit 422 enlarges the display area 831 of the sub-process 1 and displays an explanation 841a of the work procedure of the sub-process 1 (partial chilled door) and a moving image area 841b. The maintenance support control unit 422 reproduces the work moving image of the sub-process 1 according to the touch operation of the moving image area 841b by the maintenance worker PS.

Also, FIG. 18 exemplifies the maintenance support screen MS4 in a state where the sub-process 6 (inject tube AS) is selected. In FIG. 18, the maintenance support control unit 422 expands the display area 846 of the sub-process 6 to display an explanation 846a of the disassembling procedure of the sub-process 6 and a video area 846b. The maintenance support control unit 422 reproduces the moving image of the disassembly procedure of the sub-process 6 according to the touch operation of the moving image area 846b by the maintenance worker PS.

In this way, when the countermeasure is divided into several sub-processes, the maintenance worker PS can select the sub-process for which he wants to know the work procedure, and view the explanation part and the explanation moving image. Therefore, compared to the case where all the work procedures of the countermeasure are collectively output as explanation texts and explanation videos, the maintenance worker PS can efficiently visually recognize only the work procedures of the sub-processes that he/she wants to know, and perform maintenance promptly. work can be done.

Next, in the maintenance menu 800 of the maintenance support screen MS0 shown in FIG. 14, when the maintenance worker PS selects the error code list 802 and selects the error code "H21", the maintenance support control unit 422 19 is displayed on the display 461. The error code corresponds to defect information of the present invention.

The maintenance support screen MS5 includes a symptom 850 corresponding to the error code "H21" (here, "ice machine malfunction"), an error detection condition 851 (here, "ice making motor rotation malfunction"), three countermeasures 852 to 854, and a selection button 860 for selecting a corresponding action. Then, when the maintenance worker PS selects one of the selection buttons 860, details of the selected countermeasure are displayed.

FIG. 20 shows the maintenance support screen MS6 when "Action (2) Replace Ice Mechanism AS" is selected from among the three countermeasures. ) of the display areas 852 to 854, the display area 852 of the selected treatment (2) is enlarged to display the work procedure of the treatment (2).

In the "treatment (2) ice mechanism AS replacement", there are three sub-processes: "sub-process 1 ice making chamber/fresh freezing room door", "sub-process 2 ice maker (ice plate top)", and "sub-process 3 ice mechanism AS". process is included. Therefore, the maintenance support control unit 422 displays display areas 861 to 863 for three sub-processes.

The maintenance worker PS can select one of the three sub-process display areas 861 to 863, and the maintenance support control unit 422 expands the selected display area according to this selection to display the work procedure. Display information. FIG. 20 shows a case where "sub-process 1 ice making chamber door/fresh freezing room door" is selected, and the maintenance support control unit 422 expands the display area 861 of sub-process 1, An explanation 861a of the work procedure and a work animation 861b are displayed.

The maintenance support control unit 422 refers to the work moving image data 483a for the model of the refrigerator 1 stored in the storage unit 470 when the maintenance worker PS issues a work moving image reproduction instruction (touch operation in the moving image area 861b). Then, the work moving image data of sub-process 1 is acquired and the work moving image is reproduced. By visually recognizing the explanation 861a and the work moving image 861b, the maintenance worker PS can easily understand the work procedure and proceed with the maintenance work quickly.

In addition, the maintenance worker PS can select and visually recognize the explanatory note and the work animation for each sub-process regarding the work procedure of the countermeasure. Therefore, it is possible to efficiently acquire work procedure information and quickly perform maintenance work, as compared with the case of collectively visually recognizing explanatory texts and work videos of all work procedures of the countermeasure.

When maintenance worker PS selects model-specific news item button 808 on maintenance support screen MS0 shown in FIG. Information about one model is acquired and displayed on the display 641 . As a result, the maintenance worker PS can easily acquire information about an abnormality peculiar to the model of the refrigerator 1 and the like.

When the maintenance worker PS selects the service mode item button 804 on the maintenance support screen MS0 shown in FIG. display the menu screen for Then, according to the operation of the maintenance worker PS, the maintenance support control unit 422 transmits to the refrigerator 1 information instructing to start or stop the operation of the driving unit, and according to the reception of this information, maintenance of the refrigerator 1 is performed. The corresponding unit 112 starts or stops the operation of the driving unit. Thereby, for example, the maintenance worker PS can give an instruction such as opening a specific damper so as to facilitate the maintenance work. Thus, the process of instructing the start or stop of the operation of the drive unit corresponds to the drive unit operation corresponding step of the present invention.

[9. Other embodiments]
In the above embodiment, the refrigerator 1 was described as an example of the product of the present invention, but the present invention can also be applied to electrical appliances other than refrigerators, such as air conditioners, washing machines, and televisions. Further, although the compressor 71, the cooling fan 76, etc. are shown as the driving section, other types of driving section may be used. Also, although the temperature is shown as the first physical quantity and the second physical quantity, humidity, amount of heat, amount of air, illuminance, etc. may be used.

In the above-described embodiment, the tablet-type communication terminal 400 is shown as the terminal device of the present invention, but the present invention is not limited to this, and a notebook computer, a smart phone, or the like can be used as the terminal device of the present invention.

INDUSTRIAL APPLICABILITY As described above, the maintenance support method and the maintenance support program according to the present invention provide the maintenance worker who visits the place where the electrical appliance is installed with information on the operation status of the electrical appliance on the operation monitor screen displayed on the communication terminal. It is possible to support determination, and when it is determined that an electrical appliance is abnormal, switching from the operation monitor screen to the maintenance support screen can support identification of measures to deal with the abnormality.

1 refrigerator 13 cold storage compartment temperature sensor 23 switching compartment temperature sensor 33 ice making compartment temperature sensor 43 fresh freezing compartment temperature sensor 53 freezing temperature sensor 63 vegetable compartment temperature sensor 71 compressor 73 machine compartment fan 76 cooling fan 77 fresh freezing compartment fan 78 defrosting Temperature sensor 100 Controller 300 Wireless temperature sensor 400 Communication terminal 410 Control unit 420 CPU
421 operation monitor control unit 422 maintenance support control unit 430 memory 431 operation monitor program 432 maintenance support program 450 communication unit 460 touch panel 461 display device 462 touch switch 470 storage unit 480a model-specific data PS maintenance operator PU user WM0 to WM2 Operation monitor screen MS0 to MS6 Maintenance support screen

In order to solve the above-described conventional problems, a maintenance support method of the present invention facilitates maintenance of an electrical appliance having a movable part including a driving part and a detection part that detects a first physical quantity that changes according to the state of the movable part. and a maintenance support method supported by a communication terminal having a display unit, wherein the communication terminal acquires operation status information indicating the state of the movable part and the first physical quantity detected by the detection unit. an operation status information acquisition step, wherein the communication terminal displays the operation status of the electric appliance, the state of the driving unit, and the transition of the first physical quantity in a graph based on the operation status information; and a first operation monitor screen. and an operation monitor screen displaying step of displaying on the display unit, the communication terminal displaying a layout image showing the configuration of the electrical appliance, and displaying the state of the movable unit in the layout image. and displaying the first physical quantity detected by the detection unit at the detection position of the first physical quantity detected by the detection unit in the layout image, a switching button for accepting switching to a second operation monitor screen, a step of displaying on the first operation monitor screen; a step of the communication terminal switching the display of the display unit from the first operation monitor screen to the second operation monitor screen in accordance with the operation of the switch button; maintenance support methods including;

Further, the program for maintenance support of the present invention supports maintenance of an electrical appliance provided with a drive unit and a detection unit that detects a first physical quantity that changes according to the state of the drive unit, using a communication terminal having a display unit. an operating status information acquiring unit for acquiring operating status information indicating the status of the movable part and the first physical quantity detected by the detecting unit; An operation monitor screen display for displaying, on the display unit, a first operation monitor screen for displaying the operation status of the electric appliance, the state of the drive unit, and the transition of the first physical quantity in a graph based on the operation status information. and a layout image showing the configuration of the electric appliance, the state of the movable part is displayed at the position of the movable part in the layout image, and the first physical quantity detected by the detection unit is displayed. displaying, on the first operation monitor screen, a switch button for accepting switching to a second operation monitor screen, which is displayed at the detection position of the first physical quantity by the detection unit in the layout image; an operation monitor control unit for switching the display of the display unit from the first operation monitor screen to the second operation monitor screen;
A maintenance support program that functions as

Claims (11)

A maintenance support method for supporting maintenance of an electrical appliance including a drive unit and a detection unit that detects a first physical quantity that changes according to the operation of the drive unit, using a communication terminal provided with a display unit,
an operating status information acquiring step in which the communication terminal acquires operating status information indicating the operating status of the driving unit and the first physical quantity detected by the detecting unit;
an operation monitor screen display step in which the communication terminal causes the display unit to display an operation monitor screen showing the operation status of the electrical appliance based on the operation status information;
a model information acquisition step in which the communication terminal acquires model information of the electrical appliance;
a maintenance support step in which the communication terminal displays, on the operation monitor screen, a maintenance support reception unit that receives a link to a maintenance support screen corresponding to the model of the electrical appliance recognized from the model information;
and a maintenance support screen display step of displaying the maintenance support screen on the display unit in response to a reception request operation to the maintenance support reception unit. In the maintenance support screen displaying step, the communication terminal displays on the display unit the maintenance support screen displaying failure information related to the model of the electrical appliance recognized from the model information. Item 1. The maintenance support method according to item 1. In the maintenance support screen display step, the communication terminal displays the maintenance support screen for accepting start or stop of operation of the drive unit on the display unit;
When the communication terminal receives the start or stop of the operation of the driving unit according to the display of the maintenance support screen, the electric appliance is instructed to start the operation when the start of the operation is accepted. 3. The maintenance support method according to claim 1 or 2, further comprising a driving unit operation corresponding step of instructing the operation stop when the operation stop is accepted. The model information includes trouble handling data in which a plurality of troubles that may occur in the electrical appliance are associated with handling measures for solving each trouble, and each handling process is associated with the plurality of handling processes included in the trouble handling data. and work procedure data that associates work procedures for implementation,
In the maintenance support screen display step, the communication terminal displays, on the display unit, the maintenance support screen for displaying a defect information reception unit for receiving input of defect information for the electrical appliance, and sends a message to the defect information reception unit. When the trouble information is input by an acceptance request operation, the trouble handling data is referred to, a countermeasure corresponding to the inputted trouble information is extracted, and a work procedure of the extracted countermeasure is applied to the work. 4. The maintenance support method according to any one of claims 1 to 3, wherein the procedure data is extracted by referring to it and displayed on the maintenance support screen. The work procedure data includes video data showing the work procedure,
5. The maintenance support method according to claim 4, wherein, in said maintenance support screen display step, said communication terminal displays said work procedure on said maintenance support screen by means of a video obtained by reproducing said video data. the model information includes disassembly procedure data indicating a disassembly procedure for the electrical appliance;
In the maintenance support screen display step, the communication terminal displays a product configuration diagram showing a plurality of components constituting the electrical appliance, and selects a configuration according to a first selection operation in the product configuration diagram. An exploded configuration diagram in which parts are disassembled step by step is displayed on the maintenance support screen, and for a portion selected by a second selection operation in the exploded configuration diagram, a corresponding disassembly procedure is extracted by referring to the disassembly procedure data. and displaying the extracted disassembly procedure on the maintenance support screen. the disassembly procedure data includes video data showing the disassembly procedure;
7. The maintenance support method according to claim 6, wherein, in said maintenance support screen display step, said communication terminal displays said disassembly procedure on said maintenance support screen using a moving image obtained by reproducing said moving image data. The communication terminal detects a second physical quantity and uses a wireless detector that wirelessly transmits detection information indicating the detected second physical quantity to detect the second physical quantity detected by the wireless detector. including a second physical quantity information obtaining step of obtaining physical quantity information;
In the operation monitor screen display step, the communication terminal displays the operation status of the driving unit and the first physical quantity recognized from the operation status information, and the operation monitor that displays the second physical quantity recognized from the second physical quantity information. The maintenance support method according to any one of claims 1 to 7, wherein a screen is displayed on the display unit. the appliance is a refrigerator having a plurality of storage compartments,
The drive unit is a compressor and a fan for sending cold air to the storage chamber from a duct communicating with the storage chamber,
the detection unit is a temperature sensor that is individually provided in the plurality of storage chambers and detects temperature as the first physical quantity;
The maintenance support method according to claim 8, wherein the wireless detector detects temperature as the second physical quantity. Said communication terminal transmits said detection information from said wireless detector placed near a delivery port of cool air from said duct to said storage chamber by said fan when a predetermined condition for starting determination of normal operation is satisfied. 10. The maintenance support method according to claim 9, further comprising a normal operation determining step of repeatedly receiving the temperature and determining whether the refrigerator is operating normally based on the change in the detected temperature recognized from the detected information. A program that is executed by a communication terminal equipped with a display unit to support maintenance of an electric appliance equipped with a driving unit and a detecting unit that detects a first physical quantity that changes according to the operation of the driving unit, the communication terminal,
an operating status information acquiring unit configured to acquire operating status information including the operating status of the driving unit and the first physical quantity detected by the detecting unit;
an operation monitor screen display unit for displaying, on a display unit of the communication terminal, an operation monitor screen showing the operation status of the electrical appliance based on the operation status information;
a model information acquisition unit that acquires model information of the electrical appliance;
a maintenance response unit that displays on the operation monitor screen a maintenance response reception unit that receives a link to a maintenance support screen corresponding to the model of the electrical appliance recognized from the model information;
A program for maintenance support, characterized by functioning as a maintenance support screen display section for displaying the maintenance support screen on the display section in response to an operation requesting reception to the maintenance support reception section.

Images