JPH102599A - Remote control signal judgment method for air conditioner - Google Patents

Abstract

(57) [Summary] [PROBLEMS] When an operator performs a remote control operation that is incompatible with the operation of an air conditioner, it determines whether the remote control signal is appropriate and issues an alarm sound. When a remote control signal is received in a step (20), it is determined in a step (21) whether or not the signal is a "determined beat signal", and in a step (22) whether or not the set temperature is within an upper limit and a lower limit. In step 23, it is determined whether or not "temperature setting during air cleaning" is performed. In step 24, it is determined whether or not "mini power setting during high power operation". In step 26, it is determined whether or not it is "timer setting without initial time setting". If it is determined that the signal is incompatible with the operation, the "alarm" in step 27 is determined. Sound generation ”.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a method for determining a remote control signal of an air conditioner.

[0002]

2. Description of the Related Art In an air conditioner (air conditioner), it is very common to remotely control the operation of the air conditioner using a remote control (abbreviation for remote control). In recent years, as the functions of air conditioners have become highly functional and diversified, the content of operations with a remote controller has also been diversified.

[0003] For this reason, the operator often operates a remote controller having an inappropriate content as the operation of the air conditioner. For example, when the set temperature during automatic operation exceeds the upper and lower limits, or when the operation of the air conditioner is not suitable, such as temperature setting during air cleaning operation, mini power setting during high power operation, etc. However, in these cases, the prohibition is displayed on the screen of the liquid crystal display device, or the operation command is ignored by the air conditioner body or the remote controller.

[0004] However, if there is no liquid crystal display screen or no prohibition display signal is given on the liquid crystal screen, it is difficult for the user to understand. For this reason, the user does not notice his own mistake and responds to the operation. I was often irritated by the lack of action.

[0005]

SUMMARY OF THE INVENTION Accordingly, the present invention relates to a remote control operation of such an air conditioner, in which a signal from the remote control that is incompatible with the operation of the air conditioner is received. Provides a remote control signal determination method for air conditioners that enables users to confirm that their operation is incompatible even if there is no display signal or no prohibition signal is displayed on the LCD screen It is intended to do so.

[0006]

According to a first aspect of the present invention, there is provided a method for judging a remote control signal of an air conditioner according to the first aspect of the present invention. Is notified by a buzzer sound of an alarm device when is received.

[0007] In this way, by notifying the user with a buzzer sound different from that at the time of driving / stopping, it is possible to make the user confirm that the content of his / her operation is incompatible.

[0008] According to a second aspect of the present invention, there is provided a method for judging a remote control signal of an air conditioner, wherein the signal incompatible with the operation of the air conditioner is a predetermined beat signal or a temperature setting during air cleaning. , The temperature setting is within the range of the upper and lower limits, the setting of the mini power operation during the high power operation, the time setting during the timer operation, or the timer operation setting without the initial time setting Is determined by determining whether or not

Thus, even if a signal that is incompatible with the operation of the air conditioner is transmitted from the remote controller, it is possible to reliably judge the quality of the signal and allow the user to confirm that the content of his / her operation is incompatible. To

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An air conditioner to which the present invention is applied is composed of an outdoor unit installed outdoors and an indoor unit installed indoors. Connected by

The outdoor unit is equipped with an outdoor heat exchanger (heat source side heat exchanger), an outdoor fan, a compressor, a four-way valve for switching the circulation direction of the refrigerant, and an outdoor controller.

The indoor unit is equipped with an indoor heat exchanger (use side heat exchanger), an indoor fan including a cross flow fan, and an indoor control unit described later. in this case,
The indoor cooling and heating temperatures can be maintained at desired set temperatures by microcomputer control based on the detection output of a temperature sensor arranged near the indoor fan.

FIG. 1 is an electric circuit diagram of a main part of a control unit mounted on the indoor unit. A switch (POWEROFF / POWER ON / TESTRU) for setting the basic mode of the air conditioner is provided in the microcomputer 1 (for example, TMS2600 or MC196 manufactured by Intel Corporation) can be used.
From the switch for selecting N, the switch for the serviceman to display the abnormal history, etc.), the operation display (display of cooling / heating operation, display during cold air prevention operation, etc.), and the remote control (not shown) A signal receiving circuit 2 for outputting a control code after receiving and demodulating the wireless signal to the microcomputer 1 is provided as an operation interface.

The remote control is for turning on / off the air conditioner,
Switching of cooling operation / heating operation / blowing operation, setting of room temperature, strong / medium / weak / automatic selection of air flow by indoor fan (H / M
/ L / auto), setting the timer operation time to start / stop the operation after the timer set time, setting the discharge direction of conditioned air (heated or cooled air) (setting any angle / automatic change Setting), and the operation of detecting the room temperature around the remote controller and automatically transmitting a value indicating the room temperature to the signal receiving circuit 2 at predetermined time intervals (2 to 3 minutes).

The microcomputer 1 controls the operation of the air conditioner based on a signal sent from a remote controller.
Based on the setting of the cooling operation / heating operation / blowing operation, during the heating operation, a signal for turning on (energizing) the four-way valve via the terminal of the connector 6 is output to the control unit of the outdoor unit, and the magnitude of the room temperature and the set temperature is determined. And ON / OF of the compressor
An F (energized / deenergized) signal is output to the control unit of the outdoor unit via the terminal of the connector 6.

Here, control of each section of the outdoor unit in accordance with a command from the microcomputer 1 of the indoor unit is performed by transmitting a control signal via the serial circuit 5 to the microcomputer of the outdoor unit.

Reference numeral 7A denotes a stepping motor for changing the direction of the conditioned air (flap) to change the discharge direction of the conditioned air up and down. 7B is also a stepping motor for changing the direction of the conditioned air to the left or right by changing the angle of the wind direction adjusting plate.

Reference numeral 3 denotes a DC brushless motor for driving an indoor fan, and a driving circuit of the DC brushless motor 3 is controlled by the microcomputer 1.

TH1 and TH2 are temperature sensors, respectively. TH1 is a thermistor mounted so as to detect the temperature of the indoor heat exchanger, and TH2 is mounted so as to detect the temperature of indoor air sucked by an indoor fan. Thermistor.

The temperature detected by the thermistor TH1 is determined by detecting the frost formation of the outdoor heat exchanger during the heating operation (start of defrosting), preventing the cold air during the heating operation, preventing the freezing during the cooling operation, and the high load state of the refrigeration cycle. Used for detection.

The temperature detected by the thermistor TH2 is compared with the room temperature transmitted from the remote controller, and when the room temperature transmitted from the remote controller is determined to be abnormal (for example, when the remote controller is exposed to direct sunlight, the air conditioner, or the like). When the remote controller cannot receive regular transmissions (such as when the air discharged from the unit is hit) or when the remote control is in the shade or when the remote control is stored in a drawer, etc. It is used as room temperature.

The alarm device 4 composed of a piezoelectric speaker is controlled by the microcomputer 1 so as to generate a signal sound corresponding to each operation of the air conditioner body or the remote controller, or to an erroneous operation, an inappropriate operation, or the like. You.

Next, a method of judging a signal of the remote control signal that is incompatible with the operation will be described with reference to the flowchart of FIG.

When a remote control signal is received in step 20, it is determined in step 21 whether the received remote control signal is a "determined beat signal".
If it is not the "set beat signal", it is determined that the signal is inappropriate for the operation, and the "alarm sound generation" of step 27 is performed.
Leads to.

If the received remote control signal is "determined beat signal", it is determined in step 22 whether "set temperature is within the upper limit and lower limit", and if "set temperature is not within the upper limit and lower limit", It is determined that the signal is unsuitable for the operation, and the process proceeds to step 27 "generation of alarm sound".

When it is determined that "the set temperature is within the upper and lower limits", a desired temperature is set, and at the same time, in the next step 23, it is determined whether or not "the temperature is set during air cleaning". In the case of "temperature setting during air cleaning", it is determined that the signal is incompatible with the operation, and the process proceeds to step 27 "generation of alarm sound".

If it is determined that the setting is not "temperature setting during air cleaning", a desired temperature setting is performed, and at the same time, it is determined in the next step 24 whether or not "mini power setting during high power operation". In the case of "mini-power setting during high-power operation", it is determined that the signal is inappropriate for the operation, and the process proceeds to "generation of alarm sound" in step 27.

If the setting is not "mini power operation during high power operation", mini power operation is set. At the same time, in the next step 25, "Time setting during timer operation"
Is determined, and if "time setting during timer operation" is determined, it is determined that the signal is incompatible with the operation, and the process proceeds to "generation of alarm sound" in step 27.

If it is not "time setting during timer operation", time setting is performed. At the same time, it is determined in step 26 in the next stage whether or not "timer setting without initial time setting" is performed. If the timer is set to "None", it is determined that the signal is incompatible with the operation, and step 2
7 "generation of alarm sound". If the setting is not "timer setting without initial time setting", the timer is set.

As described above, among the remote control signals, items which are regarded as signals incompatible with the operation are sequentially judged by the microcomputer of the air conditioner body. Also,
It goes without saying that if the received remote control signal does not include a matter to be determined in each of the above steps, the process proceeds to the next step one after another.

FIG. 3 shows an example of the operation pulse of the alarm sound. The signal transmitted from the remote control emits an operation sound in which the 150 ms pulse (a) is repeated twice during the ON operation, and the 150 ms pulse (b) is 1 during the OFF operation.
It emits operating sound only once. When a signal that is incompatible with the operation of the air conditioner is transmitted from the remote controller, an error signal according to the determination step of FIG.
The signal of s is continuously emitted. These operation pulses modulate a carrier wave and are supplied to an alarm 4 composed of a piezoelectric speaker.

As a result, even if a signal that is incompatible with the operation of the air conditioner is transmitted from the remote controller, the quality of the signal is determined without fail, and the user is notified by a warning sound that the content of his / her operation is incompatible. Make it possible.

[0033]

As described above, according to the method for judging a remote control signal of an air conditioner of the present invention, when an operator performs a remote control operation that is incompatible with the operation of the air conditioner, for example,
When the temperature set during automatic operation exceeds the upper and lower limits, or when the operation of the air conditioner is not appropriate, such as temperature setting during air cleaning operation, setting of high power or mini power, etc. Even when there is no display screen or no prohibition display signal is displayed on the LCD screen, the user can be made to confirm that the content of his / her operation is incompatible. Not notice the mistake of
The inconvenience felt because the operation corresponding to the operation is not performed can be eliminated.

[Brief description of the drawings]

FIG. 1 is a control unit of an indoor unit.

FIG. 2 is a flow of generating an alarm sound when a nonconforming signal is generated.

FIG. 3 shows an alarm sound operation pulse.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Microcomputer 2 Receiving circuit 3 Indoor fan motor 4 Alarm 5 Serial circuit 6 Indoor unit connector

Claims (2)

[Claims] 1. An air conditioner in which a buzzer sound of an alarm sounds when a signal from the remote controller that is incompatible with the operation of the air conditioner is received in a remote control operation operation of the air conditioner. Remote control signal judgment method. 2. A signal that is incompatible with the operation of the air conditioner is a determined beat signal, whether the temperature setting is within a range of an upper limit value and a lower limit value, or a temperature setting during air cleaning.
Whether the setting is mini power operation during high power operation,
2. The remote control signal determination method for an air conditioner according to claim 1, wherein the determination is made by determining whether the time is set during the timer operation or the timer operation is performed without setting the initial time.