JP2007192492A - Self-diagnosis display device for air-conditioner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To eliminate the need for special knowledge when determining inspection positions in an air-conditioner and shorten a time for specifying trouble factors. <P>SOLUTION: During operating an inspection position display switch 5, an inspection position data extracting means 7 extracts predetermined items for positions in the air-conditioner to be inspected as trouble information from a troubled condition determined by a trouble determining means 3 and a plurality of inspection position data for every troubled condition and displays them on a display part 4. This eliminates the need for special knowledge when determining the inspection positions in the air-conditioner and shortens a time for specifying trouble factors. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a self-diagnosis display device for an air conditioner.

  Conventionally, in this type of self-diagnosis display device, for example, there is a self-diagnosis display device described in FIG. 7 (see, for example, Patent Document 1).

In FIG. 7, failure determination means 103 that determines a failure from a signal from a sensor 102 that detects the state of each part of the air conditioner, a display unit 104 that displays a failure signal, and an operation that causes the display unit 104 to display a failure signal A failure display device 101 having a switch 105 and a storage unit 106 for storing a failure signal of the air conditioner is provided. The failure display device 101 determines a failure signal determined by the failure determination means 103 when the operation switch 105 is operated. Is symbolized and displayed on the display unit 104.
JP-A-9-1113013

  However, in the conventional configuration, since the failure signal determined by the failure determination means 103 is symbolized and displayed on the display unit 104, expertise is required to determine the inspection location of the air conditioner from the symbolized failure display. However, there is a problem that it takes time to identify the cause of failure. In addition, there is a problem in that parts that do not need to be replaced may be replaced, resulting in unnecessary service costs.

  The present invention solves the above-described conventional problems, and the inspection location data extraction means determines a location to be inspected of the air conditioner from a failure state determined by the failure determination portion and a plurality of inspection location data for each failure state. The self-diagnosis display device of the air conditioner that does not require specialized knowledge to determine the inspection location of the air conditioner, and can reduce the time for identifying the cause of failure and the service cost The purpose is to provide.

  In order to solve the above-mentioned conventional problems, the self-diagnosis display device for an air conditioner according to the present invention includes failure determination means for determining a failure state of the air conditioner from a plurality of sensor values for detecting a control state of the air conditioner. A display unit that displays failure information when the air conditioner fails, a check point data storage unit that stores a plurality of check point data for each failure state, and a display unit that displays the check point data of the air conditioner by operation. A self-diagnosis display device for an air conditioner having an inspection location display switch and an inspection location data extraction means to be displayed, wherein the inspection location data extraction means determines each failure state and failure state determined by the failure determination means. A predetermined item is extracted from the plurality of inspection location data of the air conditioner and displayed on the display unit as failure information.

  This eliminates the need for specialized knowledge in determining the inspection location of the air conditioner, and can reduce the time for identifying the failure factor.

  The self-diagnosis display device for an air conditioner according to the present invention does not require specialized knowledge to determine the inspection location of the air conditioner, and can reduce the time for identifying a failure factor.

  The first invention includes a failure determination means for determining a failure state of the air conditioner from a plurality of sensor values for detecting a control state of the air conditioner, a display unit for displaying failure information when the air conditioner fails, a failure An air conditioner equipped with an inspection point data storage unit for storing a plurality of inspection point data for each state, an inspection point display switch for displaying the inspection point data of the air conditioner on the display unit by operation, and an inspection point data extraction means Self-diagnosis display device, where the inspection location data extraction means is determined by the failure determination means when the inspection location display switch is operated, and the location where the air conditioner should be inspected from a plurality of inspection location data for each failure status Is extracted and displayed on the display unit as failure information. This configuration eliminates the need for expert knowledge in determining the inspection location of the air conditioner and identifies the cause of failure. It is possible to reduce the amount of time.

  According to a second aspect of the present invention, there is provided a failure determination means for determining a failure state of the air conditioner from a plurality of sensor values for detecting a control state of the air conditioner, a display unit for displaying failure information when the air conditioner has failed, A component replacement rate data storage unit that stores a plurality of component replacement rate data for each state, a component replacement rate display switch that causes the display unit to display the component replacement rate data of the air conditioner by operation, and a component replacement rate data extraction unit A self-diagnosis display device for an air conditioner equipped with a component replacement rate data extraction means determined by a failure determination means during operation of a component replacement rate display switch, and a plurality of component replacement rate data for each failure state. Predetermined items to be replaced in the air conditioner are extracted and displayed on the display unit as failure information. This configuration eliminates the need for expert knowledge in determining the replacement of air conditioner parts. It can be exerted on the repair of the air conditioner service time and reduce service costs.

  The third invention is provided with a device code storage unit, and in particular, narrows down the conditions for extracting the failure information of the first or second invention by limiting to the data stored in the device code storage unit. As a result, it is possible to extract failure information peculiar to each device code, and to reduce service time and service cost for repairing the air conditioner.

  The fourth invention is provided with an extraction year setting means, and in particular, the year to be extracted can be easily set as the condition for extracting the failure information of the third invention. Failure information can be extracted, and service time and service cost for repairing the air conditioner can be reduced.

  The fifth invention is provided with failure information transmitting means, and in particular, by transmitting the failure information extracted in the first to fourth inventions to the bidirectional remote controller, it is possible to carry the failure information and to repair the air conditioner. Such service workability can be improved.

  The sixth invention is provided with a voice output means, and in particular, by outputting the failure information extracted by the first to fifth inventions by voice, it is possible to output detailed failure information that is difficult to display on the display unit, Service time and service cost for repairing the air conditioner can be reduced.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the embodiments.

(Embodiment 1)
FIG. 1 is a block diagram of a self-diagnosis display device 1 for an air conditioner according to Embodiment 1 of the present invention.

  In FIG. 1, the air conditioner self-diagnosis display device 1 includes a failure determination unit 3, a display unit 4, an inspection point display switch 5, an inspection point data storage unit 6, and an inspection point data extraction unit 7.

  The operation and action of the self-diagnosis display device for an air conditioner configured as described above will be described below.

  The failure determination means 3 detects the failure state of the air conditioner (sensor open, sensor short, over-temperature abnormality, refrigerant pressure) from the detection values of a plurality of sensors (2A,..., 2n) that detect the control state of the air conditioner. Overabnormality abnormality etc.) is determined and symbolized (H19, F99, etc.).

  The display unit 4 sequentially displays a plurality of pieces of failure information for each failure state of the air conditioner.

  The inspection location display switch 5 displays a plurality of inspection location data for each failure state of the air conditioner on the display unit as failure information.

  The inspection location data storage unit 6 includes a plurality of inspection location data (power supply, current, excessive refrigerant amount, excessive refrigerant amount, indoor fan motor, outdoor fan) for each symbolized failure state (H19, F99, etc.) of the air conditioner. Memory).

  The inspection location data extraction means 7 indicates a location to be inspected for each failure state of the air conditioner as failure information (1. indoor heat exchanger temperature sensor open / short, 2. indoor fan motor, etc.), a predetermined item, a plurality of Extract.

  In the air conditioner self-diagnosis display device configured as described above, when the inspection location display switch 5 is operated, the inspection location data extraction means 7 has a plurality of failure states determined by the failure determination means 3 and a plurality of failure states. A predetermined item is extracted as failure information from the inspection location data of the air conditioner and displayed on the display unit 4.

  Therefore, specialized knowledge is not required for determining the inspection location of the air conditioner, and the time for specifying the failure factor can be reduced.

  In addition, it is possible to suppress the case where parts that do not need to be replaced are replaced and an unnecessary service cost is generated, and the service cost can be reduced.

(Embodiment 2)
FIG. 2 shows a block diagram of a self-diagnosis display device 1 for an air conditioner according to Embodiment 2 of the present invention. In FIG. 2, the same reference numerals are used for the portions described in the first embodiment, and description thereof is omitted.

  The component replacement rate display switch 8 causes the display unit to display a plurality of component replacement rate data for each failure state (H19, F99, etc.) symbolized by the operation as failure information.

  The component replacement rate data storage unit 9 stores a plurality of component replacement rate data (H19: indoor fan motor 50%, indoor control board 30%, indoor heat exchanger temperature sensor 10%, etc.) for each failure state of the air conditioner. To do.

  The component replacement rate data extraction means 10 indicates failure information (1. indoor fan motor 50%, 2. indoor control board 30%, 3. indoor heat exchanger temperature sensor 10) for each failure condition of each air conditioner. %).

In the self-diagnosis display device for an air conditioner configured as described above, the component replacement rate data extraction unit 10 performs the failure status determined by the failure determination unit 3 and each failure status when the component replacement rate display switch 8 is operated. A predetermined item is extracted as failure information from the plurality of component replacement rate data, and displayed on the display unit 4.

  Therefore, no specialized knowledge is required for determining the replacement of air conditioner parts, and the time for identifying the failure factor can be reduced.

  In addition, it is possible to suppress the case where parts that do not need to be replaced are replaced and an unnecessary service cost is generated, and the service cost can be reduced.

(Embodiment 3)
FIG. 3 is a block diagram of the self-diagnosis display device 1 for an air conditioner according to Embodiment 3 of the present invention. In FIG. 3, the same reference numerals are used for the portions described in the first embodiment, and description thereof is omitted.

  The device code storage unit 11 stores a device code (such as CS-123X) for each air conditioner.

  The air conditioner self-diagnosis display device 1 configured as described above narrows down the conditions for extracting failure information to data stored in the device code storage unit 11. Therefore, failure information peculiar to each device code can be extracted, and service time and service cost for repairing the air conditioner can be reduced.

(Embodiment 4)
FIG. 4 shows a block diagram of a self-diagnosis display device 1 for an air conditioner according to Embodiment 4 of the present invention. In FIG. 4, the same reference numerals are used for the portions described in the first embodiment, and description thereof is omitted.

  The extraction year setting means 12 sets year data to be extracted (2004, 2005, etc.).

  The air conditioner self-diagnosis display device 1 configured as described above freely sets a year to be extracted and varies a failure information extraction condition. Therefore, failure information peculiar to each manufacturing year can be extracted, and service time and service cost for repairing the air conditioner can be reduced.

(Embodiment 5)
FIG. 5 shows a block diagram of a self-diagnosis display device 1 for an air conditioner according to Embodiment 5 of the present invention. In FIG. 5, the same reference numerals are used for the portions described in the first embodiment, and description thereof is omitted.

  The failure information transmitting means 13 transmits failure information (1. indoor heat exchanger temperature sensor open / short, 2. indoor fan motor, etc.) to the bidirectional remote controller.

  The bidirectional remote controller 14 receives the transmitted failure information and displays the received plurality of failure information on the liquid crystal unit.

  The air conditioner self-diagnosis display device 1 configured as described above transmits a plurality of pieces of extracted failure information to the bidirectional remote controller 14. Therefore, the failure information of the air conditioner can be carried around, and the service workability required for repairing the air conditioner can be improved.

(Embodiment 6)
FIG. 6 is a block diagram of the self-diagnosis display device 1 for an air conditioner according to Embodiment 6 of the present invention. In FIG. 6, the same reference numerals are used for the portions described in the first embodiment, and description thereof is omitted.

  The sound output means 15 outputs detailed failure information (the detected abnormality is F91. Check the outdoor heat exchanger temperature sensor and the refrigerant gas amount, etc.) by sound.

  The air conditioner self-diagnosis display device 1 configured as described above outputs the extracted failure information by the sound output means 15. Accordingly, more detailed failure information can be output, and service time and service cost for repairing the air conditioner can be reduced.

  In addition, since failure information that is difficult to display on the display unit can be output by voice, the display contents and component configuration of the display unit can be simplified, and the manufacturing cost can be reduced.

  As described above, the self-diagnosis display device for an air conditioner according to the present invention extracts a predetermined item to be inspected and displays it on the display unit as failure information, so that specialized knowledge is not necessary for determining the inspection location. Since the failure factor specifying time and the service cost can be reduced, the failure factor specifying time of the installation type system equipment that is difficult to move can be applied.

1 is a block diagram of a self-diagnosis display device for an air conditioner according to Embodiment 1 of the present invention. The block diagram of the self-diagnosis display device of the air conditioner in Embodiment 2 of this invention The block diagram of the self-diagnosis display device of the air conditioner in Embodiment 3 of this invention The block diagram of the self-diagnosis display device of the air conditioner in Embodiment 4 of this invention Block diagram of a self-diagnosis display device for an air conditioner in Embodiment 5 of the present invention The block diagram of the self-diagnosis display device of the air conditioner in Embodiment 6 of this invention Block diagram of a conventional self-diagnosis display device for an air conditioner

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Self-diagnosis display device of air conditioner 2A, 2n sensor 3 Failure determination means 4 Display part 5 Inspection location display switch 6 Inspection location data storage 7 Inspection location data extraction means 8 Parts replacement rate display switch 9 Parts replacement rate data storage DESCRIPTION OF SYMBOLS 10 Parts exchange rate data extraction means 11 Equipment code memory | storage part 12 Extraction year setting means 13 Failure information transmission means 14 Bidirectional remote control 15 Voice output means

Claims (6)

A failure determination means for determining a failure state of the air conditioner from a plurality of sensor values for detecting a control state of the air conditioner; a display unit for displaying failure information when the air conditioner fails; and a plurality of failure states for each failure state Self-diagnosis of an air conditioner equipped with a check point data storage unit for storing check point data, a check point display switch for displaying the check point data of the air conditioner on the display unit by operation, and a check point data extracting means In the display device, the inspection location data extraction unit extracts a predetermined item of a location to be inspected of the air conditioner from the failure state determined by the failure determination unit and a plurality of inspection location data for each failure state. A self-diagnosis display device for an air conditioner. A failure determination means for determining a failure state of the air conditioner from a plurality of sensor values for detecting a control state of the air conditioner; a display unit for displaying failure information when the air conditioner fails; and a plurality of failure states for each failure state A component replacement rate data storage unit that stores the component replacement rate data, a component replacement rate display switch that causes the display unit to display the component replacement rate data of the air conditioner by operation, and an air that includes a component replacement rate data extraction unit A self-diagnosis display device for a conditioner, wherein the component replacement rate data extraction unit determines a failure status determined by the failure determination unit and a plurality of component replacement rate data for each failure status. A self-diagnosis display device for an air conditioner characterized by extracting predetermined items. The self-diagnosis display device for an air conditioner according to claim 1 or 2, further comprising a device code storage unit capable of specifying the capability and form of the air conditioner. 4. The self-diagnosis display device for an air conditioner according to claim 3, further comprising an extraction year setting means for setting a year when extracting the part replacement rate data for each failure state and for each year of the air conditioner. . 5. A self-diagnosis display device for an air conditioner according to claim 1, further comprising failure information transmitting means for transmitting failure information of the air conditioner to the bidirectional remote controller. 6. A self-diagnosis display device for an air conditioner according to claim 1, further comprising voice output means for voice guidance of failure information of the air conditioner.

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