JPH10185275A - Operation control device of air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable quick communication of the contents of a failure diagnosis by a user to a serviceman without being accompanied by a significant change of design. SOLUTION: Whether or not a state of operation is normal is detected on the basis of a sensor for abnormality detection provided in each part of an air conditioning unit of an air conditioner 1, and when it is abnormal, a diagnosis of failure is executed on the basis of the result of detection of the sensor. When a wireless remote control unit 10 is operated in order to know the contents of the diagnosis of failure, on the other hand, a check signal is transmitted from the wireless remote control unit 10. When this check signal is received, the contents of the diagnosis of failure are indicated through a lamp 231 for an operation mode.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an operation control device for an air conditioner having a wireless remote controller, and more particularly to an operation control device for an air conditioner having a function of performing failure diagnosis.

[0002]

2. Description of the Related Art As a conventional example of this kind, there is an operation control device for an air conditioner disclosed in Japanese Patent Publication No. Hei 7-113377.
This is because when an inspection signal issued from the wireless remote controller is received, it checks whether the air-conditioning operation is normal based on the abnormality detection sensor provided in each part of the air-conditioning unit. The basic configuration is such that the contents are notified through a display panel or the like.

[0003]

However, such a function is provided as a hidden function dedicated to a serviceman, and is very convenient because the serviceman can quickly grasp the contents of the trouble. In some cases, repair parts prepared in advance cannot be used, and parts must be ordered later, which is not always satisfactory for users who want quick repair.

[0004] However, it is only necessary to improve the function so that the user can use this function so that a service person can be informed in advance of the failure. However, for this purpose, it is necessary to mount a display panel or the like on the surface of the air conditioner. The air conditioner requires not only the performance but also the design, which greatly increases the cost.

The present invention has been made in view of the above background, and an object of the present invention is to provide an improved operation control device for an air conditioner that does not have the above-mentioned disadvantages.

[0006]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, an operation control device for an air conditioner according to the present invention receives a signal emitted from a wireless remote controller, and operates according to an operation mode included in the signal. While turning on the mode display lamp and controlling the operation of the air conditioning unit, it detects whether the operating state is normal or not based on the abnormality detection sensor provided in each part of the air conditioning unit. It has a basic configuration for performing a failure diagnosis based on a detection result. When an inspection signal included in a signal issued from a wireless remote controller is received, the content of the failure diagnosis is displayed by an operation mode display lamp.

[0007] More preferably, it is preferable to display the contents of the failure diagnosis by a combination of lighting of operation mode display lamps and / or blinking.

Further, when the present invention is applied to an air conditioner having a sound generator for notifying the switching of the operation mode by sound, the content of the fault diagnosis is provided by a sound emitted from the sound generator instead of the operation mode display lamp. You may let them know.

[0009]

According to the present invention, whether or not the operating state is normal is detected based on an abnormality detecting sensor provided in each part of the air conditioning unit. If the operating state is abnormal, failure diagnosis is performed based on the detection result of the sensor. On the other hand, when the wireless remote controller is operated to know the content of the failure diagnosis, an inspection signal is transmitted from the wireless remote controller. When the inspection signal is received, the content of the failure diagnosis is displayed through the operation mode display lamp. Alternatively, the content of the failure diagnosis is output by a sound emitted from a sound generator provided for notifying the switching of the operation mode by a sound.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of an air conditioner operation control device according to the present invention will be described below with reference to the drawings. FIG.
FIG. 2 is a front view of the air conditioner, FIG. 2 is a configuration diagram of the air conditioner, and FIG. 3 is an explanatory diagram showing correspondence between lighting of an operation mode display lamp and failure diagnosis.

The air conditioner operation control device described herein is provided in an air conditioner 1 as shown in FIGS. The air conditioner 1 has an air conditioning unit 20 for air conditioning the room.
And a wireless remote controller 10 for switching the operation of the air conditioning unit 20 and the like. An operation mode display lamp 231 is provided on the surface of the air conditioner main body 23 attached to the indoor wall. .

The operation control device of the air conditioner receives a signal transmitted from the wireless remote controller 10 and operates the operation mode display lamp 2 according to the operation mode included in the signal.
The air conditioner 31 is turned on and the operation of the air conditioning unit 20 is controlled. Based on an abnormality detection sensor (not shown) provided in each part of the air conditioning unit 20, it is detected whether the operating state is normal. In the case of an abnormality, a function of performing a failure diagnosis based on the detection result of the sensor (a failure diagnosis mode) is provided. Hereinafter, each configuration will be described in detail.

The wireless remote controller 10 is a switch for inputting an operation mode or the like, and an input unit 11 including an inspection switch for switching to a failure diagnosis mode.
And a display 12 for displaying and outputting data such as an operation mode.
And a transmission unit 13 for transmitting data such as an operation mode, and a microcomputer 14 for controlling the display unit 12 and the transmission unit 13.

The air conditioning unit 20 includes an outdoor unit 22 installed outdoors and an indoor unit 21 installed indoors.
It is composed of The outdoor unit 22 is provided with a compressor, a four-way valve, an outdoor heat exchanger and the like (not shown), while the indoor unit 21 receives a signal transmitted from the wireless remote controller 10 in addition to the indoor heat exchanger and the like. Receiving section 211, and an operation mode display lamp 231 according to the operation mode and the like input through the receiving section 211.
Is provided, and a microcomputer 212 for controlling the operation of the air conditioning unit 20 is provided.

The input port of the microcomputer 212 is connected to a receiving section 211, and to a fan motor of the indoor unit 21, an abnormality detection sensor (not shown) attached to a heat exchanger, and the like. An abnormality detection sensor (not shown) attached to a power supply line 22, a compressor, and the like is connected. Since the output data of these abnormality detecting sensors is input to the microcomputer 212, it can be determined whether or not each part of the air conditioning unit 20 is operating normally.

The output port of the microcomputer 212 is connected to a motor, a solenoid valve, etc. (not shown) provided in the outdoor unit 22, the indoor unit 21, and an operation mode display lamp 231.

The operation mode display lamp 231 is an LED 2
311 to 2314, and the LED 231
The current operation mode of the air conditioning unit 20 is set to cool (cooling), hot (heating), dry (dehumidification), and timer (timer reservation) by lighting of 1, 2312, 2313, and 2314.
It turns out that it is.

The operation mode display lamp 231 displays the contents of the failure diagnosis (abnormal state). The way of display is as shown in FIG. For example,
When the LEDs 2311 and 2313 are lit, it is known that there is no abnormality. When the LEDs 2321 and 2313 are lit, it is known that the indoor fan motor is locked.

Hereinafter, the operation of the operation control device for an air conditioner configured as described above will be described. First, when the user inputs an operation mode through the input unit 11 of the wireless remote controller 10, the operation mode is displayed and output on the display 12, and at the same time, a signal is transmitted from the wireless remote controller 10.

When the signal transmitted from the wireless remote controller 10 is received by the receiver 211 of the indoor unit 21, the operation of the air conditioning unit 20 is switched. That is, according to the newly set operation mode, the operation mode display lamp 2
At the same time when 31 is turned on, the motor, the solenoid valve and the like provided in the air conditioning unit 20 operate.

When the user feels that the air conditioner has failed and presses the check switch of the wireless remote controller 10, a signal is transmitted from the wireless remote controller 10 in the same manner as when the operation mode is set.

When the signal transmitted from the wireless remote controller 10 is received by the receiver 211 of the indoor unit 21, the operation of the air conditioning unit 20 switches to the failure diagnosis mode.
That is, the microcomputer 212 inputs the output data of the abnormality detection sensor and, based on this data,
It is determined whether or not each unit is working normally.

When it is determined that there is no abnormality, the LEDs 2311 and 2313 of the operation mode display lamps 231 are turned on. On the other hand, when it is diagnosed that there is an abnormality, the operation mode display lamp 231 is turned on according to the content of the failure diagnosis. Let it.

Since the operation control device of the air conditioner operates as described above, even if the user does not grasp the contents of the failure diagnosis displayed by the operation mode display lamp 231, the operation mode display lamp 231 can be used. By simply telling the serviceman which of the lights is on, the serviceman can grasp the contents of the failure diagnosis before visiting the user's house.

The operation control device of the air conditioner of the present invention is not necessarily limited to the above-described example. For example, the type, number and arrangement of the operation mode display lamps 231 are not particularly limited. Alternatively, the form of the failure diagnosis may be displayed by blinking the operation mode display lamp 231.

When the inspection switch of the wireless remote controller 10 is pressed, a failure diagnosis is performed, and the result is not displayed on the operation mode display lamp 231.
The failure diagnosis may be performed at all times during the operation of the air conditioning unit 20 and the content of the failure diagnosis may be displayed on the operation mode display lamp 231 when the check switch is pressed.

When the operation mode is switched by operating the wireless remote controller 10, the air conditioning unit 20
When the present invention is applied to an air conditioner having a function of generating a beep from a sound generator provided in the apparatus, the sound generated from the sound generator is not used to notify the contents of the failure diagnosis using the operation mode display lamp 231. May be notified in the form of a Morse code.

[0028]

As described above, the air conditioner operation control device according to the first and second aspects of the present invention is configured such that the contents of the failure diagnosis are displayed using the operation mode display lamp. Before the serviceman visits the user's home, the user can inform the serviceman of the contents of the failure diagnosis,
As a result, quick repair can be performed. In addition, there is no need to separately install a display for displaying the contents of the failure diagnosis on the surface of the air conditioner, and it can be realized with a slight improvement. Therefore, both high performance and low cost of the air conditioner can be achieved. There is great significance in planning.

In the air conditioner operation control device according to the third aspect of the present invention, the content of the failure diagnosis is output using a sound generator for notifying the switching of the operation mode by sound. Since the existing sound generator is used as in the case of the operation mode display lamp, the same effects as those of the first and second aspects can be obtained.

[Brief description of the drawings]

FIG. 1 is a diagram for describing an embodiment of an operation control device for an air conditioner of the present invention, and is a front view of the air conditioner.

FIG. 2 is a configuration diagram of the air conditioner.

FIG. 3 is an explanatory diagram showing a correspondence between lighting of an operation mode display lamp provided in the air conditioner and details of a failure diagnosis.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Air conditioner 10 Wireless remote control 20 Air conditioning unit 231 Operation mode display lamp

Claims (3)

[Claims] 1. An apparatus for receiving a signal emitted from a wireless remote controller, turning on an operation mode display lamp according to an operation mode included in the signal, and controlling operation of the air conditioning unit. An air conditioner operation control device having a function of detecting whether an operating state is normal based on an abnormality detection sensor provided in each unit and performing a failure diagnosis based on a detection result of the sensor when the operation state is abnormal. , An operation control device for an air conditioner, characterized in that when an inspection signal included in a signal emitted from a wireless remote controller is received, the content of the failure diagnosis is displayed by an operation mode display lamp. 2. The operation control device for an air conditioner according to claim 1, wherein the content of the failure diagnosis is displayed by a combination of lighting and / or blinking of an operation mode display lamp. 3. An operation control device for an air conditioner including a sound generator for notifying a change of an operation mode by sound, in place of the operation mode display lamp according to claim 1.
2. The operation control device for an air conditioner according to claim 1, wherein the content of the failure diagnosis is notified by a sound emitted from a sound generator.