JP6182244B2 - Air conditioner - Google Patents

Description

  The present invention relates to an air conditioner having an utterance function for producing voice.

  Conventionally, in an air conditioner to which a speaker described in Patent Document 1 is attached, when a user operates a remote controller, the speaker emits sound in response to this operation. Thereby, the user can confirm the operation content by voice. In addition, operation terminals such as smartphones, tablet terminals, and mobile phones can communicate with the air conditioner not only indoors but also outdoors. When the user operates the operation terminal outside the room, the operation of the air conditioner can be instructed from outside the room. When an operation terminal such as a remote controller or a smartphone is operated, the air conditioner operates in response to an instruction from the operation terminal and emits a sound according to the instruction.

JP 2007-278600 A

  Here, when the operating terminal is operated outside the room, the air conditioner operates by emitting a sound. At this time, the user in the room may be suspicious that the air conditioner has been activated even though he / she has not operated the remote control, and may misunderstand that an abnormality has occurred.

  In view of the above, an object of the present invention is to provide an air conditioner that can recognize that it has been operated from outside.

  The air conditioner of the present invention includes an utterance unit that emits voice, and a control unit that controls the air-conditioning operation based on an instruction from the operation terminal and controls the utterance unit to emit voice according to the instruction of the operation terminal. Provided, and capable of communicating with the operation terminal. The operation terminal is an indoor operation terminal that can communicate indoors and an external operation terminal that can communicate outdoors and indoors, and the utterance unit emits different sounds depending on the operated operation terminal and the operated location.

  According to this structure, the sound uttered when operated indoors and when operated outdoors is different. At this time, when the same instruction is given from each operation terminal, the sound when the indoor operation terminal is operated indoors may be different from the sound when the external operation terminal is operated outdoors. A user in the room can recognize that the user has been operated from outside the room.

  When the work on the air conditioner is finished, the utterance unit may utter a check item after the work is finished by voice. In this way, it is possible to check the check items while listening to the voice, and work efficiently.

  Aside from the power supplied from the outside, an auxiliary power source is built in, and even if no power is supplied to the air conditioner, the utterance unit may emit a voice by the auxiliary power source. In this way, even if no power is supplied to the air conditioner, the speech unit operates by the auxiliary power source, and the check item is uttered. Therefore, it is not necessary to connect the power supply after the work is completed, and the check work can be completed quickly.

  When a human body detector that detects the presence or absence of a person in the room is provided, the control unit detects that there is no person during the air conditioning operation, stops the air conditioning operation, and the utterance unit stops the air conditioning operation. A message prompting air conditioning operation may be issued.

  With such a configuration, the following cases can be handled. There is a case where it is erroneously detected that there is no person in the room. In such a case, if the air-conditioning operation is stopped, the person in the room becomes uncomfortable. Air conditioning operation can be started by a message, and the room can be made comfortable.

  In addition, when the air-conditioning operation is stopped, the control unit may operate the speech unit so as to issue a message when it is determined that the indoor environment is deteriorated and the air-conditioning operation is necessary. If it does in this way, air-conditioning operation will be performed when the user who heard the message operates an operation terminal. When there is no person in the room, since no one operates the operation terminal, the air-conditioning operation remains stopped, and unnecessary operation can be prevented.

  When the operation terminal is provided with a plurality of operation units, the form of each operation unit can be changed so that the operation unit can be clearly indicated, and when the voice guidance for input instruction is issued from the utterance unit, You may make it change the form of the operation part in which operation according to an input instruction | indication is validated.

  In this way, the user can easily identify the operation unit to be operated by changing the form of the operation unit in which the operation is effective, and can definitely perform the operation.

  When the voice guidance for the input instruction is issued, the operation by the operation unit other than the operation unit for which the operation is valid is invalidated, and when the invalid operation unit is operated, the utterance unit may issue a warning. . In this way, the user can be made aware of an operation mistake quickly, leading to a correct operation.

  The control unit may relatively change the volume of the voice uttered from the utterance unit and the rotational speed of the blower fan so that the voice from the utterance unit can be heard. In this way, the emitted voice is larger than the blowing sound corresponding to the rotational speed of the fan, and the user can easily hear the voice.

  When the utterance unit utters voice, the control unit may decrease the rotation speed of the fan or increase the volume of the utterance unit as the rotation speed of the fan increases. In this way, the volume is relatively higher than the volume of the blowing sound. Therefore, the user can easily hear the voice.

  The speaker has a speaker, the speaker is accommodated in the speaker case, and a part of the front surface of the speaker case is fitted into a hole formed in the front surface of the cabinet of the air conditioner so that the speaker case is fixed to the cabinet. It may be. In this way, the speaker can be correctly positioned and easily fixed.

  A convex portion protruding forward is formed on the front surface of the speaker case, and the convex portion may be fitted into the hole of the cabinet. If it does in this way, a convex part should just be inserted in a hole and a speaker case can be attached easily.

  A sound generating port that emits the sound of the speaker may be formed on the convex portion of the speaker case, and the sound generating port may be exposed from the cabinet toward the front of the cabinet. In this way, the sound emitted from the speaker goes directly into the room, making it easier to hear the sound.

  According to the present invention, when operated from outside, a person in the room can easily recognize that the operation is from outside.

The perspective view of the front panel of the indoor unit of the present invention Perspective view of the front panel with the open panel open Air conditioner control block diagram A flowchart when deciding the sound uttered at the time of operation in a 1st embodiment Flowchart when uttering a check item in the second embodiment The figure which shows the timing which issues a message at the time of the air-conditioning driving | operation stop in 3rd Embodiment. The figure which shows the change of the form of the operation part of the remote control in 4th Embodiment Remote control block diagram Flow chart of input instruction according to voice guidance The figure which shows the change of the audio | voice volume with respect to the blowing sound in 5th Embodiment. Flow chart for changing the sound volume The figure which shows the change of the sound volume with respect to the blowing sound of another form Flow chart for changing the sound volume The figure which shows a part of cabinet in which the speaker in 6th Embodiment was attached. A perspective view of the front panel to which the speaker case is attached as viewed from the rear Cross section of front panel with speaker case Top view of the bottom of the speaker case Cross section of the bottom of the speaker case Top view of the speaker case cover Side view of speaker case cover

(First embodiment)
The air conditioner of 1st Embodiment is a separate type, and is comprised from an indoor unit and an outdoor unit. The indoor unit includes an indoor heat exchanger and a fan for blowing air, and the outdoor unit includes a compressor, a four-way valve, an outdoor heat exchanger, a throttle device, and an outdoor fan. The indoor unit and the outdoor unit are connected by a refrigerant pipe to form a refrigeration cycle, and air conditioning operations such as cooling, heating, and dehumidification are performed.

  As shown in FIGS. 1 and 2, the indoor unit has a suction port 2 for sucking room air in the top surface of the cabinet 1, and a blower outlet 3 in the lower front portion of the cabinet 1. An air passage extending from the suction port 2 to the air outlet 3 is formed inside the cabinet 1, and an indoor heat exchanger and a fan are disposed in the air passage.

  The cabinet 1 includes a back plate and a front panel 4, and the front panel 4 is detachably attached to the back plate. The back plate is formed in a box shape with an open front and is attached to a wall surface in the room. An indoor heat exchanger and a fan for blowing air are attached to the back plate.

The front panel 4 is formed in a box shape with the back side open, and a blowout port 3 is formed in the lower part of the front surface. A louver 5 is provided at the air outlet 3, and the louver 5 is rotatably attached to the front panel 4. An open panel 6 is provided in front of the front panel 4. The open panel 6 is detachably attached to the front panel 4. The open panel 6 covers the upper side of the air outlet 3 of the front panel 4. When the open panel 6 is closed, the front panel 4 is hidden except for the air outlet 3. When the open panel 6 is opened, the front panel 4 appears and a filter or the like can be attached or detached.

  As shown in FIG. 3, the air conditioner includes a control unit 10 that controls the refrigeration cycle and performs air conditioning operations such as cooling, heating, and dehumidification. The air conditioner includes a room temperature detector 11, an outside air temperature detector 12, a humidity detector 13 that detects the humidity in the room, and a human body detector 14 that detects the presence or absence of a person in the room. The indoor unit is provided with a room temperature detector 11, a humidity detector 13, and a human body detector 14. The human body detector 14 uses an infrared sensor. Note that a camera-type sensor such as a CCD or CMOS may be used as the human body detector 14. Further, the infrared sensor and the camera may be combined.

  The air conditioner has an operation terminal that can communicate with the control unit 10. As operation terminals, there are a remote controller 20 that can communicate indoors and an external operation terminal 21 that can communicate indoors and outdoors. The remote controller 20 is one of indoor operation terminals. The external operation terminal 21 is a portable information terminal having a communication function such as a smartphone, a tablet terminal, a mobile phone, and a notebook PC.

  The indoor unit of the air conditioner is provided with a communication unit 22 that communicates with the remote controller 20 and a network communication unit 23 that performs communication through a network. The communication unit 22 performs two-way wireless communication using infrared rays. Thereby, the control unit 10 can communicate with the remote controller 20 through the communication unit 22.

  The network communication unit 23 is communicably connected to the router 24 via a cable, and is connected to the indoor LAN. The router 24 is connected to an external network (WAN) such as the Internet network. The external operation terminal 21 can access the network outdoors and indoors. The external operation terminal 21 communicates bidirectionally with the control unit 10 through a network using a predetermined communication protocol such as TCP / IP.

  The router 24 has a wireless LAN function. Therefore, the external operation terminal 21 can directly perform wireless communication with the router 24 and further can communicate with the control unit 10 via the LAN. Therefore, in the room, the external operation terminal 21 communicates with the control unit 10 via the router 24, and outside, the external operation terminal 21 communicates with the control unit 10 through the router 24 using the network. Note that the router 24 and the network communication unit 23 may perform wireless communication.

  The user operates the remote controller 20 or the external operation terminal 21 to give an instruction to the air conditioner. The control unit 10 includes a CPU, a ROM, a RAM, and a nonvolatile memory, and controls the refrigeration cycle so as to execute the set air conditioning operation in accordance with an instruction from an operation terminal such as the remote controller 20. That is, the user operates the operation terminal to select any operation such as a set temperature and a heating operation, a cooling operation, a dehumidifying operation, and an automatic operation. The operation terminal transmits a control signal based on a user operation to the indoor unit. When the control unit 10 receives a control signal from the communication unit 22 or the network communication unit 23, the control unit 10 performs a compressor, a throttle device, and a fan for blowing air based on the set temperature in the instructed air conditioning operation and the detected room temperature and outside air temperature. 25 is controlled. In addition, the user can operate the operation terminal to instruct to stop the air conditioning operation or set a timer reservation.

Furthermore, the indoor unit is provided with a display unit 26 for notifying various kinds of information and an utterance unit 30 that emits sound. The display unit 26 includes a lamp such as an LED and a display. The lamp and display of the display unit 26 are provided on the front panel 4, and a display window 27 is formed below the open panel 7. When the control unit 10 controls the display unit 26, the lamp is turned on or blinks, and characters and the like are displayed on the display. Even if the open panel 7 is closed, the display on the display unit 26 can be confirmed through the display window 27. The user can obtain information such as the driving situation by looking at the lighting state of the LED.

  The utterance unit 30 includes a speaker 31 that emits sound, and a sound generation unit 32 that generates a sound signal based on a command from the control unit 10 and outputs the sound signal to the speaker 31. The speaker 31 is attached near the air outlet 3 of the front panel 4. Specifically, the speaker 31 is attached near the upper portion of the air outlet 3. The front surface of the speaker 31 is exposed on the front surface of the front panel 4. When the open panel 6 is closed, the speaker 31 is not visible from the outside, but the sound of the speaker 31 comes out from the gap between the front panel 4 and the open panel 6, so that the user can hear the sound of the speaker 31.

  When the operation terminal is operated, an operation signal is transmitted. Upon receiving the operation signal, the control unit 10 identifies the content of the instruction from the operation signal and controls the utterance unit 30 so that a sound corresponding to the operation of the operation terminal is emitted. That is, the control unit 10 outputs a sound generation signal corresponding to the content of the instruction, the operated operation terminal and the operated location to the sound generation unit 32. The utterance unit 30 utters a voice that is generated based on the voice generation signal and that can be understood from where it is operated.

  When the remote controller 20 and the external operation terminal 21 respectively give the same instruction, the sound when the remote control 20 is operated indoors is different from the sound when the external operation terminal 21 is operated outdoors. The sound when the external operation terminal 21 is operated indoors is different from the sound when the external operation terminal 21 is operated outdoors. However, the sound when the remote controller 20 is operated in the room and the sound when the external operation terminal 21 is operated in the same room are the same.

  When the control unit 10 receives an operation signal from the operation terminal, the control unit 10 determines the transmitted operation terminal and the transmitted location. For example, when an instruction to start cooling operation at a set temperature of 28 ° C. is given, as shown in FIG. 4, first, the control unit 10 has received an operation signal from the communication unit 22 or from the network communication unit 23. Is checked to determine whether it is the remote controller 20 or the external operation terminal 21 (S1). In the case of input from the communication unit 22, the operated operation terminal is the remote controller 20. When the control unit 10 confirms that the instruction is from the remote controller 20, the control unit 10 operates the uttering unit 30 so as to emit the voice determined for the instruction from the remote controller 20. A message such as “Start operation at 28 ° C. cooling” is issued from the speaker 31 (S2).

  In the case of input from the network communication unit 23, the operated operation terminal is the external operation terminal 21. Next, the control unit 10 determines whether the operation is performed indoors or outdoors based on the received operation signal (S3). When communicating via the network, the IP address of the external operation terminal 21 is added to the packet including the operation signal. The network to which the external operation terminal 21 belongs can be identified by the network number of this IP address. The network number for LAN is different from the network number for external network (WAN). Therefore, the control unit 10 checks whether the communication is within the LAN or the Internet based on the IP address, and determines whether the communication is indoor communication or outdoor communication.

When the control unit 10 confirms that the communication is from the outside, the control unit 10 determines that the external operation terminal 21 has been operated outside the room, and operates the uttering unit 30 so as to emit the voice determined for the instruction from the outside. . A message such as “Start operation at 28 ° C. by external communication” is issued from the speaker 31 (S4). On the other hand, when the external operation terminal 21 is operated indoors, when the user operates the external operation terminal 21 indoors with the remote controller 20, the control unit 10 confirms that the communication is from the room It is determined that the operation terminal 21 has been operated indoors.
A message such as “Start operation at 28 ° C. cooling” is issued from the speaker 31 (S5). This message is the same as the message when the remote controller 20 is operated.

  As described above, when the external operation terminal 21 is operated outside and an instruction is given, a message that indicates that the operation is from the outside is issued. Even if the air conditioner is suddenly activated, a user in the room can recognize that the air conditioner has been activated by an instruction from the outside. Also, when the same instruction is given in a room using different operation terminals, the same message is issued, so there is no sense of incongruity. Therefore, by changing the message according to the indoor / outdoor operation, it is possible to convey clear information without bothering the user.

  The term “room” as used herein includes not only a range in which the remote controller 20 can operate the air conditioner but also a range in which the external operation terminal 21 can communicate with the router 24 to operate the air conditioner. For example, indoor ranges include places that can be operated indoors such as other rooms, and outdoors such as gardens, balconies, and verandas.

(Second Embodiment)
By the way, in order to use an air conditioner, installation work is required. In a separate type air conditioner, when the indoor unit of the air conditioner is attached to a wall, the outdoor unit is installed outdoors, and piping and wiring are performed between the two units, the installation work is completed. Thereafter, when a plurality of check items are checked, all operations for the air conditioner are completed. When checking the check items, the worker checks while checking the construction manual. For this reason, if the operator misses the check item or reads the check item and makes a mistake, there is a possibility that the reliable check is not performed. Therefore, the air conditioner of the second embodiment uses a speech function to utter check items by voice. Other configurations are the same as those of the first embodiment.

  When the speech switch is provided in the indoor unit and the speech switch is turned on, the control unit 10 controls the speech unit 30 to utter a plurality of check items by voice. The same list of check items as described in the construction manual is stored in the memory in advance, and the control unit 10 reads the check items from the memory when the speech switch is turned on, and creates a voice generation signal. And output to the utterance unit 30. The utterance unit 30 utters the check items in order.

  As shown in FIG. 5, when the work on the air conditioner is completed, the worker turns on the speech switch (S11). The control unit 10 operates the utterance unit 30, and the speaker 31 of the utterance unit 30 utters one of the check items by voice (S12). The first check item written in the construction manual is read out, and the operator not only reads one of the check items with his / her eyes but also enters his / her ear so that he can check more definitely.

  When the worker confirms the first check item, the worker turns on the speech switch. The next check item is spoken. After making one check item uttered, the control unit 10 confirms whether all the check items have been uttered (S13). When the utterance switch is turned on when the utterance of all the check items is not completed (S11), the control unit 10 causes the utterance unit 30 to utter the next check item. When the utterance of all the check items is completed, the control unit 10 does not operate the utterance unit 30 even when the utterance switch is turned on. At this time, the control unit 10 operates the utterance unit 30 so as to issue a message indicating that the check operation has been completed. The worker can recognize that the check work has been completed. Therefore, check omissions for a plurality of check items can be eliminated.

  The speech switch may be provided on the operation terminal. If the remote control 20 or the external operation terminal 21 is provided with an utterance switch, the operator can operate it by hand and does not have to go to the indoor unit to operate the utterance switch. Therefore, the check operation can be performed efficiently.

  The power source of the air conditioner is a commercial power source. Therefore, when power is supplied from the outside, a voice is emitted from the utterance unit 30. However, when the installation work is completed, the power may not be supplied yet. Therefore, an auxiliary power source such as a battery is built in the indoor unit separately from the commercial power source.

  Even if power is not supplied to the air conditioner, power is supplied to the control unit 10 and the speech unit 30 by the auxiliary power supply. When the utterance switch is turned on, the utterance unit 30 utters a sound related to the check item. Further, even when an operation terminal such as the remote controller 20 is provided with an utterance switch, an operation signal from the operation terminal can be received, so that a check item can be uttered. Thereby, even if the installation work is not completed, a necessary check can be performed during the work, and the air conditioner can be installed without making a mistake.

  In this embodiment, the check is performed by pressing the utterance switch for each check item. However, once the utterance switch is pressed, the check item may be read out every predetermined time. In this way, it is not necessary for the operator to operate the speech switch for each check item, which is convenient because it saves the operation. In addition, when the check is completed within a predetermined time, it may be configured to advance to the next check item by pressing an utterance switch. In this way, the next check can be performed without waiting for the waiting time between the check items (the above-mentioned predetermined time) to elapse, so that the check time can be shortened.

(Third embodiment)
The air conditioner includes a human body detector 14. The human body detector 14 is disposed in front of the indoor unit and uses the indoor floor as a detection range. When it is detected that there is no person in the room during the air conditioning operation, the control unit 10 stops the air conditioning operation. However, the detection range of the human body detector 14 does not reach the entire room. That is, there is a blind spot. Therefore, when there is a person outside the detection range, the human body detector 14 cannot detect a person in the room. Therefore, the air-conditioning operation may be stopped despite the presence of people.

  If the cooling operation is stopped during the summer, the room temperature rises, and the WBGT (wet bulb black bulb temperature), which is an index of the heat index, increases, which may cause heat stroke. Get higher. In the air conditioner described in Japanese Patent Application Laid-Open No. 2012-207867, when it is detected that a heatstroke is likely to occur in a room where it is determined that there is a person, attention is notified from the speaker. Further, when this state continues, the cooling operation is forcibly performed.

  However, in the above air conditioner, when it is determined that there is no person in the room, no warning is given and no cooling operation is performed. If a person in the room cannot be detected, the possibility of heat stroke increases. Therefore, the air conditioner of the third embodiment has an operation mode in which when it is detected that there is no person in the room and the air-conditioning operation is not performed, a message prompting the air-conditioning operation is issued as if there is a person in the room. . In the present embodiment, air conditioning operation corresponding to this mode will be described as automatic operation. Other configurations are the same as those in the first and second embodiments.

  When automatic operation is set for the air conditioner, the room temperature detector 11 detects the room temperature, the humidity detector 13 detects the humidity, and the human body detector 14 detects the presence or absence of a person in the room. When the control unit 10 determines that the air conditioning operation is not necessary based on the information acquired from each detector, the control unit 10 does not perform the air conditioning operation. Here, as the room temperature increases and the humidity increases, the heat index increases. The heat index rises from the safe area to the caution area and then to the danger area.

As shown in FIG. 6, when the air conditioning operation is not performed, the control unit 10 monitors the heat index to check whether the air conditioning operation is performed. If the heat index becomes a dangerous area when there is a person in the room, the control unit 10 determines that the air-conditioning operation is necessary, and automatically starts the cooling operation. At this time, the control part 10 operates the speech part 30 and utters the message of a driving start. The utterance unit 30 issues a message such as “The room has become hot. Driving will start”. By performing the cooling operation, the room temperature and humidity are lowered, and the heat index is lowered.

  When it is detected by the human body detector 14 that there is no person, the control unit 10 stops the cooling operation. At this time, the control unit 10 causes the utterance unit 30 to utter a message prompting the driving together with the guidance for stopping the driving. The utterance unit 30 issues a message such as “Since it is determined that there is no person, the driving has been stopped. If necessary, please drive.”

  By stopping the air conditioning operation, the indoor environment is deteriorated, the heat index is increased, and it becomes a dangerous area. However, the control unit 10 determines that the air conditioning operation is necessary, but determines that there is no person in the room, and therefore does not perform the cooling operation. When a certain time, for example, 30 minutes elapses after the driving is stopped, the control unit 10 causes the utterance unit 30 to utter a message for prompting the driving. The utterance unit 30 issues a message such as "The operation is stopped because it is determined that there is no person. The room is hot. Please drive if necessary." When the air conditioning operation is not performed, the same message is uttered at regular intervals. When a person is detected while the air-conditioning operation is stopped, the control unit 10 automatically starts the air-conditioning operation and causes the utterance unit 30 to utter an operation start message. In addition, the structure which shortens the space | interval of fixed time may be sufficient, so that the heat index in a dangerous area is high. Thereby, the opportunity to call a user's attention can be increased.

  A person who has heard the message in the room operates an operation terminal such as the remote controller 20 to start the cooling operation. Or if a person moves to the place detected by the human body detector 14, a cooling operation will be started. Even if it is not detected by the human body detector 14, there may be a person in the room. For example, when a person is in a corner of a room, the person is outside the detection range (dead angle) of the human body detector 14. In such a case, a message prompting driving can be issued, so that a person in the room can take an action such as operating the operation terminal or moving within the detection range of the human body detector 14, and is semi-forced. The air-conditioning operation can be started and the indoor environment can be improved.

  When there is no person in the room, nothing is operated, so the air conditioning operation is not performed. If the setting is such that the air conditioning operation is forcibly performed when the heat index becomes high, the air conditioning operation is performed in an unattended state. This is an unnecessary operation and consumes power wastefully. However, it is possible to prevent the power from being consumed unnecessarily because the operation is performed only when necessary by taking the action of causing the person in the room to start the air conditioning operation without automatically performing the air conditioning operation.

(Fourth embodiment)
In the air conditioner of the third embodiment, when the indoor environment deteriorates, a message that prompts the air conditioning operation is issued. A user who wants to start the air-conditioning operation starts the air-conditioning operation by operating the operation terminal or moving to a place detected by the human body detector 14. However, when the user tries to start the air conditioning operation by operating the operation terminal, if an incorrect operation is performed, the air conditioning operation may not be started so that the indoor environment cannot be improved. For example, a place where the cooling operation should be started is changed to a heating operation. Therefore, the air conditioner of the fourth embodiment guides the operation of the operation terminal so that the guidance of the input instruction for starting the air conditioning operation is uttered and the operation terminal can be operated without fail. Other configurations are the same as those in the first to third embodiments.

As shown in FIGS. 7 and 8, the remote controller 20 includes a display unit 33, a plurality of operation units 34, a terminal control unit 35, and a communication unit 36. The display unit 33 is a liquid crystal display and is controlled by the terminal control unit 35 of the remote controller 20 to display a screen and a setting screen showing the status of the air conditioning operation. The operation unit 34 is various operation buttons such as operation selection, temperature, and air volume. When the operation unit 34 is operated, the terminal control unit 35 outputs an operation signal corresponding to the operated operation unit 34 to the communication unit 36. The communication unit 36 of the remote controller 20 capable of bidirectional communication transmits an operation signal to the indoor unit. In addition, the communication unit 36 receives a signal transmitted from the communication unit 22 of the indoor unit.

  And the operation part 34 can change the form. That is, the operation unit 34 has a backlight, and the form of the operation unit 34 changes when the backlight emits light or blinks. Thus, the operation unit can be made conspicuous by changing the form of the operation unit. When the display unit 33 is a touch panel, the operation unit 34 is displayed on the screen. And the form of the operation part 34 changes when the shape, color, etc. of the operation part 34 change.

  The air conditioner has a function of forcibly urging the start of air conditioning operation when the indoor environment deteriorates. As shown in FIG. 9, in order to prompt the air conditioning operation, the control unit 10 of the air conditioner operates the uttering unit 30 so as to issue a voice guidance for an operation input instruction, and outputs an input instruction guide signal. Output. The communication unit 22 transmits a guide signal to the remote controller 20 (S21). The voice guidance prompts the user to operate the operation unit 34 that needs to be operated to perform the air conditioning operation. The guide signal includes information on the operation unit 34 in which the operation is validated.

  When the remote controller 20 receives the guide signal, the terminal control unit 35 changes the form of the operation unit 34 in which the operation according to the input instruction is validated (S22). The operation unit 34 for which the operation is valid is an operation button necessary for performing the air conditioning operation, such as an operation / stop button, an operation selection button, a temperature setting button, and the like. The terminal control unit 35 determines an operation unit 34 for which the operation is enabled and an operation unit 34 for which the operation is disabled based on the guide signal.

  And the terminal control part 35 changes the form of the operation part 34 in which operation is validated. The backlight of the effective operation unit 34 emits light or blinks. The form of the operation unit 34 in which the operation is invalid does not change. As described above, when the configuration of the operation unit 34 is changed, the operable operation unit 34 among the plurality of operation units 34 can be clearly indicated, and the user can definitely recognize the operation unit 34 to be operated. For example, the operation / stop button, which is a button to be operated, is lit or blinked, and the operation selection button or the temperature setting button whose operation is disabled is not lit or blinked.

  After issuing the voice guidance, the indoor unit waits for input. At this time, the control unit 10 operates the display unit 26 to notify that it is waiting for input. The lamp of the display unit 26 is turned on or blinks, and a message waiting for input is displayed on the display.

  The user who has heard the voice guidance gives input instructions using the remote controller 20. When the operation unit 34 is operated (S23), the remote controller 20 transmits an operation signal to the indoor unit. When receiving the operation signal, the control unit 10 of the indoor unit determines whether the operation is valid or invalid based on the operation signal (S24).

  When the user operates an effective operation unit 34 such as a run / stop button, the control unit 10 determines that the operation is effective based on the received operation signal. The control unit 10 receives an input operation from the remote controller 20 (S25), and controls the air conditioning operation in accordance with an instruction from the remote controller 20. For example, the cooling operation is started. The control unit 10 confirms whether there is an input instruction from the next user (S26).

  When the user subsequently operates the remote controller 20, an operation signal is transmitted from the remote controller 20. The control unit 10 receives an operation signal from the remote controller 20 and confirms that there is a next input instruction. The control unit 10 causes the utterance unit 30 to utter voice guidance for the next input instruction, and transmits a guide signal to the remote controller 20 (S21). The remote controller 20 changes the configuration of the operation unit 34 in which the operation according to the input instruction is validated (S22). Until the user's operation is finished, the operation guide of the remote controller 20 for performing the air conditioning operation is continued.

  If the user does not operate the remote controller 20, the operation signal is not transmitted from the remote controller 20. When it is confirmed that there is no operation signal from the remote controller 20 for a predetermined time, the control unit 10 determines that there is no user input instruction and continues the air conditioning operation being executed.

  When the user operates the wrong operation unit 34 such as the operation selection button or the temperature setting button, that is, when the invalid operation unit 34 is operated, the control unit 10 determines that the operation is invalid based on the received operation signal. . At this time, the control unit 10 invalidates the input of the received operation signal (S27). And the control part 10 alert | reports an input mistake to a user (S28). That is, the control unit 10 causes the communication unit 22 to transmit a warning signal indicating that the operation is invalid. When the remote controller 20 receives the warning signal, the terminal control unit 35 displays a warning indicating that an input error has occurred. Further, the control unit 10 causes the utterance unit 30 to utter an input error warning. Thereafter, the control unit 10 again transmits a guide signal for an input instruction through the communication unit 22, and instructs the utterance unit 30 to issue voice guidance (S21). In this way, the user can be guided through hearing and vision so that the user can operate correctly.

  In the above description, the indoor unit of the air conditioner determines whether the user operation is valid or invalid. However, the remote controller 20 may determine whether the operation is valid or invalid. When the user operates the operation unit 34 of the remote controller 20 after listening to the voice guidance, the terminal control unit 35 checks whether the operated operation unit 34 is a valid operation unit 34 or an invalid operation unit 34.

  When the user operates the operation unit 34 corresponding to the input instruction, the terminal control unit 35 determines that the operation is an effective operation, and transmits an operation signal corresponding to the operation to the indoor unit. When receiving the operation signal, the control unit 10 of the indoor unit receives an input from the remote controller 20 and controls the air conditioning operation.

  When the user operates the operation unit 34 that does not correspond to the input instruction, the terminal control unit 35 determines that the operation is invalid, and notifies the display unit 33 that an input error has occurred. The display unit 33 displays an input error message. The terminal control unit 35 changes the form of the effective operation unit 34 and prompts the user to input again. During this time, the remote controller 20 does not transmit an operation signal to the indoor unit. The control unit 10 of the indoor unit causes the voice guidance to be uttered again when no operation signal is received for a predetermined time. The indoor unit also prompts to perform an operation for the input instruction. An operation signal indicating that the remote controller 20 has been operated invalid may be transmitted to the indoor unit. Upon receiving this operation signal, the control unit 10 recognizes that an invalid operation has been performed on the remote controller 20.

  When the control unit 10 recognizes that an invalid operation has been performed, the control unit 10 causes the utterance unit 30 to utter an input error warning. Thereafter, the control unit 10 may again transmit an input instruction guide signal through the communication unit 22 to instruct the utterance unit 30 to issue voice guidance.

(Fifth embodiment)
In an air conditioner having a voice utterance function, the voice output level can be changed depending on the situation, as described in Japanese Patent Application Laid-Open No. 2007-278600. By the way, when the air-conditioning operation is performed, the fan for blowing the indoor unit is driven and a blowing sound is generated. When sound is emitted during the air conditioning operation, the sound is drowned out by the blowing sound, and the user is difficult to hear the sound. Therefore, the air conditioner of the fifth embodiment relatively changes the volume of the sound emitted from the speech unit 30 and the volume of the blowing sound in order to make it easier to hear the sound emitted during the air conditioning operation. Other configurations are the same as those of the first to fourth embodiments.

  As shown in FIG. 10, the control unit 10 of the air conditioner decreases the air flow rate when the utterance unit 30 utters a sound during the air conditioning operation. The volume of the voice uttered by the utterance unit 30 is set in advance. The control unit 10 determines the amount of decrease in the rotational speed of the fan 25 based on the set volume. Accordingly, the volume of the blowing sound is reduced with respect to the volume of the utterance. In addition, when the rotation speed of the fan 25 is low, the volume of the blowing sound may not be large with respect to the set volume. In this case, the control unit 10 does not change the rotation speed of the fan 25.

  As shown in FIG. 11, when a sound is emitted, the control unit 10 checks whether the rotational speed (FRT) of the fan 25 being driven is equal to or lower than the allowable rotational speed (BFRT) (S31). The allowable number of rotations is the number of rotations when the sound volume of the blown sound is too high with respect to the sound volume when the rotation number of the fan 25 exceeds the rotation number. The allowable rotational speed is determined according to the sound volume, and the allowable rotational speed increases as the volume increases.

  When the rotational speed of the fan 25 is higher than the allowable rotational speed, the control unit 10 sets the rotational speed of the fan 25 as the allowable rotational speed (S32). Since the rotation speed of the fan 25 is lowered, the volume of the blowing sound is reduced. When the sound is emitted (S33), the sound volume is larger than the sound volume of the blowing sound, so that the user can hear the sound. When the utterance ends, the control unit 10 restores the rotational speed of the fan 25 (S34).

  When the rotational speed of the fan 25 is equal to or lower than the allowable rotational speed, the control unit 10 does not change the rotational speed of the fan 25. When the sound is emitted (S35), the sound volume is larger than the blowing sound volume, so that the user can hear the sound.

  As described above, instead of lowering the blowing sound with respect to the voice, as shown in FIG. 12, the volume of the voice uttered by the utterance unit 30 may be made variable to increase the volume with respect to the blowing sound. When the controller 10 emits sound, the controller 10 increases the sound volume based on the sound volume and the rotation speed of the fan 25. The higher the rotation speed of the fan 25, the greater the volume of the utterance unit 30.

  As shown in FIG. 13, when sound is emitted, the control unit 10 checks whether the sound volume (VOL) at the time of utterance is equal to or higher than the allowable sound volume (BVOL) (S41). The allowable sound volume is a sound volume when the sound volume of the blown sound is too high with respect to the sound volume when the sound volume is lower than the allowable sound volume. The allowable sound volume is determined according to the rotation speed of the fan 25 at the time of speaking, and the allowable sound volume increases as the rotation speed of the fan 25 increases. For example, the volume when the air flow is weak is low, and the volume when the air flow is strong is high.

  When the volume at the time of utterance is smaller than the allowable volume, the control unit 10 sets the audio volume to the allowable volume (S42). The volume increases with respect to the blowing sound. When the sound is emitted (S43), the sound volume is larger than the blowing sound, so that the user can hear the sound. When the utterance ends, the control unit 10 restores the volume (S44).

  When the sound volume is equal to or higher than the allowable sound volume, the control unit 10 does not change the sound volume. When the sound is emitted (S45), the sound volume is larger than the sound volume of the blowing sound, so that the user can hear the sound. In the description of FIGS. 10 and 11, the volume of the voice uttered by the uttering unit 30 may be variable.

(Sixth embodiment)
In an air conditioner having a voice utterance function, a speaker is attached to an indoor unit. For example, in an air conditioner described in Japanese Patent Application Laid-Open No. 2006-71165, a speaker is attached to a speaker case. A part of the display case is used as the speaker case. The speaker case is not directly attached to the cabinet of the indoor unit. The position of the speaker is determined according to the mounting position of the display case, and the position of the speaker is restricted. Therefore, when the speaker cannot be directed forward, the sound emitted from the speaker is difficult to reach the user. Speaker installation must be considered for each air conditioner model, and it lacks versatility to expand the speech function to various models. In addition, when an utterance function is added as an option, there is a possibility that a member of the cabinet must be changed in order to attach a speaker.

  Thus, in the air conditioner of the sixth embodiment, a speaker with a high versatility is realized by a structure in which a speaker case is easily attached to a cabinet. Other configurations are the same as those of the first to fifth embodiments.

  As shown in FIGS. 14 to 16, the speaker 31 is housed in the speaker case 40. The speaker case 40 is fixed to the front panel 4 of the cabinet 1. A part of the speaker case 40 protrudes to form a convex portion 41. A circular hole 42 is formed in the front panel 4, and a convex portion 41 is fitted into the hole 42. The speaker case 40 is exposed from the front surface of the front panel 4.

  The speaker case 40 is integrally formed from a bottom 43 formed with a convex portion 41 and a cover 44 engaged with the bottom 43. The speaker 31 is sandwiched and fixed between the bottom 43 and the cover 44.

  As shown in FIGS. 17 and 18, the bottom 43 is formed in a cylindrical shape with one side opened. The convex portion 41 is formed on the front surface of the bottom 43, and is formed by a part of the front wall of the bottom 43 rising upward. The circular convex portion 41 is located offset from the center of the front surface of the bottom 43. On the front surface of the convex portion 41, a sound generation port 45 that emits the sound of the speaker 31 is formed. The sound generation opening 45 has a plurality of through holes 46.

  The inner diameter of the bottom 43 is substantially the same as the outer diameter of the speaker 31, and the speaker 31 is fitted into the bottom 43. A plurality of support ribs 47 are formed on the inner peripheral surface of the bottom 43 to support the side surface of the speaker 31. The rear side of the support rib 47 is formed in a taper shape, so that the speaker 31 can easily enter when the speaker 31 is fitted.

  As shown in FIGS. 19 and 20, the cover 44 is integrally formed from a holding portion 48 for pressing the speaker 31 and an attachment portion 49 attached to the front panel 4. The holding part 48 is formed to be uneven according to the shape of the rear surface of the speaker 31 and contacts the rear surface of the speaker 31. A side wall 50 for positioning the bottom 43 is formed below the holding portion 48.

  The attachment portion 49 is located below the holding portion 48 and is formed to protrude from the holding portion 48 to the left and right. A screw hole 51 is formed in the attachment portion 49, and the attachment portion 49 is screwed to the front panel 4.

  Side plates 53 having engagement holes 52 project from left and right sides of the holding portion 48 of the cover 44. Claws 54 are formed on both the left and right sides of the bottom 43, and the bottom 43 is engaged with the cover 44 by fitting the claws 54 into the engagement holes 53. By bending the side plate 53, the claw 54 is detached from the engagement hole 53, and the bottom 43 can be removed from the cover 44.

  When the speaker 31 is housed in the speaker case 40, the cover 44 comes into contact with the rear surface of the speaker 31, and the peripheral edge of the front surface of the speaker 31 is pressed against the annular rib 55 formed on the front wall of the bottom 43. At this time, a gap is formed between the speaker 31 and the front wall of the bottom 43, and the sound emitted from the speaker 31 passes through the space formed by the convex portion 41 and exits from the sound generation opening 45 to the outside.

  On the front surface of the front panel 4, a stepped portion 56 that is recessed in the left-right direction is formed above the air outlet 3, and a hole 42 is formed in the stepped portion 56. The size of the hole 42 is the same as the outer diameter of the convex portion 41. The convex portion 41 of the speaker case 40 is fitted into the hole 42, and the attachment portion 49 is attached to the front panel 4 with screws. Since the convex portion 41 is in close contact with the hole 42, vibration of the speaker case 40 is suppressed. In addition, by shifting the position of the convex part 41 of the speaker case 40, interference with the protrusion of the front panel 4 and other members can be avoided. Thereby, the restriction | limiting of the attachment position of the speaker case 40 can be absorbed to some extent.

  Since the hole 42 of the front panel 4 is in a position facing the lower part of the open panel 6, the hole 42 is hidden when the open panel 6 is closed. However, since a gap is formed between the step portion 56 and the open panel 6, the convex portion 41 exposed from the front panel 4 is not blocked. Since the gap communicates with the room, the sound emitted from the speaker 31 goes directly into the room without being confined.

  As described above, the speaker case 40 can be easily fixed to the cabinet 1 by fitting the convex portion 41 of the speaker case 40 into the hole 42 of the front panel 4. In addition, since the sound generation port 45 of the speaker case 40 is exposed from the front panel 4, the user can directly hear the sound emitted from the speaker 31. Moreover, by forming the hole 42 which fits the speaker case 40 in the cabinet 1, the speaker case 40 can be retrofitted, and a speech function can be easily added to the air conditioner as an option.

  As the shape of the sound generation opening 45, the front surface of the convex portion 41 may be formed in a net shape. Alternatively, the thickness of the front surface of the convex portion 41 may be reduced. Sound can be transmitted to the outside by vibrating the front surface of the convex portion 41. Further, the convex portion 41 is not limited to a cylindrical shape, but may be a polygonal cylindrical shape such as a rounded square cylindrical shape with rounded corners or a rounded triangular cylindrical shape.

  As described above, the air conditioner of the present invention controls the air conditioning operation based on the instruction from the operation terminal and the utterance unit 30 that emits the sound, and the utterance unit 30 so as to emit the sound according to the instruction of the operation terminal. The control part 10 to control is provided. The operation terminals are an indoor operation terminal such as a remote control 20 that can communicate indoors and an external operation terminal 21 that can communicate outdoors and indoors, and the utterance unit 30 depends on the operated operation terminal and the operated location. A different voice is emitted.

  The case where the external operation terminal 21 is operated from outside the room and the case where the operation terminal is operated indoors can be discriminated by the sound emitted from the utterance unit. The user can recognize that it has been operated from the outside, and can prevent misunderstandings such as the occurrence of an abnormality.

  When the same instruction is given from each operation terminal, the sound when the indoor operation terminal is operated indoors is different from the sound when the external operation terminal 21 is operated outdoors.

That is, when receiving the operation signal from the operation terminal, the control unit 10 determines whether the operation is performed using the indoor operation terminal or the external operation terminal 21 based on the operation signal, and the operation is performed indoors or outdoors. Determine whether the operation is to be performed and determine the sound to be emitted. Therefore, the sound emitted is different between the operation from the outside and the operation from the room.

  The sound when the indoor operation terminal is operated indoors is the same as the sound when the external operation terminal 21 is operated indoors.

  When the indoor operation terminal or the external operation terminal 21 is operated in the same room, the user in the room knows that one of the operation terminals has been operated. Therefore, when the control unit 10 confirms that any one of the operation terminals is operated in the room, the control unit 10 controls the uttering unit 30 to emit the same voice.

  The sound when the indoor operation terminal is operated indoors may be different from the sound when the external operation terminal 21 is operated indoors. When there are a user who has an indoor operation terminal and a user who has the external operation terminal 21 in the room, the control unit 10 confirms the operation terminal operated in the room when receiving the operation signal, and performs the operation. The utterance unit 30 is controlled to emit a sound corresponding to the operated terminal. A user in the room can recognize that another user has operated.

  The indoor operation terminal communicates with the control unit 10, the external operation terminal 21 and the control unit 10 communicate via the router 24, and the external operation terminal 21 communicates with the router 24 indoors and the network outside. Communication with the router 24. The communication method of the communication of the indoor operation terminal and the communication of the external operation terminal 21 are different. Therefore, the control part 10 can discriminate | determine the operated operating terminal and the operated place.

  The control unit 10 outputs a voice generation signal to the utterance unit 30 based on an instruction from the operation terminal, and the utterance unit 30 generates a voice signal based on the voice generation signal and emits a voice. Thereby, a sound signal corresponding to each operation is generated by generating a sound signal corresponding to the operated operation terminal and the operated place.

  When the work on the air conditioner is finished, the utterance unit 30 utters a check item after the work is finished by voice. Since you can work while listening to the check items, you can check efficiently.

  Aside from the power supplied from the outside, an auxiliary power supply is built in, and even if no power is supplied to the air conditioner, the utterance unit 30 emits sound by the power supplied from the auxiliary power supply.

  When the work is finished, the power may not be supplied yet. If there is an auxiliary power source, the control unit 10 and the speech unit 30 can be operated.

  When the speech switch provided in the air conditioner is operated, or when the operation terminal is operated, the speech unit 30 issues check items in order.

  When the operator operates the speech switch or the operation terminal when the work is completed, the control unit 10 can recognize the completion of the work. In response to this operation, a check item can be uttered. When one check is finished and the speech switch or the like is operated, the next check item is uttered.

  A human body detector 14 for detecting the presence or absence of a person in the room is provided. When the control unit 10 detects that there is no person during the air conditioning operation, the air conditioning operation is stopped, and the speech unit 30 stops the air conditioning operation. A message prompting air conditioning operation is issued.

Even if it is detected that there is no person in the room, there is a possibility that a person is outside the detection range of the human body detector 14. Therefore, the control unit 10 utters a message prompting the air-conditioning operation when detecting that there is no person. When there is a person, the user who hears the message performs an operation for the air conditioning operation, and the air conditioning operation is started.

  When the control unit 10 determines that the air-conditioning operation is stopped and the indoor environment is deteriorated and the air-conditioning operation is necessary, the control unit 10 operates the speech unit 30 to issue a message.

  If the indoor environment deteriorates, the possibility of heat stroke increases. Therefore, the possibility can be reduced by prompting the air conditioning operation when there is a person.

  When the control unit 10 forcibly performs the air-conditioning operation, the control unit 10 transmits an input instruction to the operation terminal and instructs the speech unit 30 to issue a voice guidance. When the control unit 10 gives an input instruction, the operation terminal changes the form of the operation unit 34.

  When the air conditioning operation stops and when a certain time has elapsed since the air conditioning operation stopped, the speech unit issues a message.

  That is, the control unit 10 operates the utterance unit at a determined timing. By repeatedly issuing the message, the user in the room can recognize that the air-conditioning operation is necessary.

  When the operation terminal is provided with a plurality of operation units 34, the configuration of each operation unit 34 can be changed so that the operation unit 34 can be clearly shown, and voice guidance for input instruction is issued from the speech unit 30. The operation terminal changes the form of the operation unit 34 in which the operation according to the input instruction is valid.

  The operation terminal changes the form of the operation unit 34 according to an instruction from the control unit 10. The user who has heard the voice guidance can recognize the operation unit 34 to be operated by seeing that the form of the operation unit 34 has changed. Thereby, the user can definitely input.

  When the voice guidance for the input instruction is issued, the operation by the operation unit 34 other than the operation unit 34 for which the operation is valid is invalidated, and when the invalid operation unit 34 is operated, the speech unit 30 issues a warning.

  When the operation unit 34 is operated, it is determined in the control unit 10 or the operation terminal whether the operation is valid or invalid. If the operation is confirmed to be invalid, a warning is issued and the user notices that the operation was incorrect.

  When an incorrect operation is performed in response to the input instruction, the utterance unit 30 again issues voice guidance, and the operation terminal again changes the form of the operation unit 34 in which the operation is effective.

  When an invalid operation is performed, the control unit 10 recognizes that an incorrect operation has been performed. At this time, in order to guide the user to perform a correct operation, the control unit 10 utters voice guidance again and changes the form of the operation unit 34.

  That is, when the operation unit 34 of the operation terminal is operated, the operation terminal transmits an operation signal to the control unit 10, and the control unit 10 determines whether the operation is an effective operation or an invalid operation based on the operation signal. When the operation is an operation, the control unit 10 controls the air-conditioning operation according to an instruction from the operation terminal. When the operation is an invalid operation, the control unit 10 transmits a re-input instruction to the operation terminal, and again, Commands the utterance unit to give voice guidance.

  The control unit 10 relatively changes the volume of the sound uttered from the utterance unit 30 and the rotation speed of the fan 25 for blowing so that the sound from the utterance unit 30 can be heard.

  The sound volume is relatively increased with respect to the blowing sound caused by the rotation of the fan 25. Thereby, the voice is not drowned out by the blowing sound, and the user can easily hear the voice.

  When the utterance unit 30 utters sound, the control unit 10 decreases the rotation speed of the fan 25 or increases the volume of the utterance unit as the rotation number of the fan 25 increases.

  When the number of rotations of the fan 25 decreases, the blowing sound becomes low and it becomes easy to hear the sound without changing the volume. Further, since the sound volume only needs to be higher than the blowing sound, when the rotation speed of the fan 25 is low and the blowing sound is low, the volume may be small. When the rotational speed of the fan 25 is high and the blowing sound is high, the volume is increased. Thereby, it is possible to prevent the voice from becoming unnecessarily loud.

  The utterance unit 30 includes a speaker 31. The speaker 31 is housed in a speaker case 40, and a part of the front surface of the speaker case 40 is fitted into a hole 42 formed in the front surface of the cabinet 1 of the air conditioner. 40 is fixed to the cabinet 1.

  The speaker 31 can be positioned by fitting a part of the speaker case 40 into the hole 42 of the cabinet 1. Moreover, a part of speaker case 40 will be exposed to the front surface of the cabinet 1, the speaker 31 can be directed indoors, and the sound from the speaker 31 can be emitted indoors without stress.

  A convex portion 41 protruding forward is formed on the front surface of the speaker case 40, and the convex portion 41 is fitted into the hole 42 of the cabinet 1. Further, a sound generating port 45 that emits the sound of the speaker 31 is formed in the convex portion 41 of the speaker case 40, and the sound generating port 45 is exposed from the cabinet 1 toward the front of the cabinet 1.

  When the convex portion 41 is fitted into the hole 42 of the cabinet 1, the speaker case 40 is positioned and fixed, and the speaker case 40 can be easily attached. If there is a hole 42 that fits the convex portion 41, the speaker case 40 can be attached anywhere in the cabinet 1. In addition, since sound is directly emitted from the sound generation opening 45 into the room, clear sound can be emitted.

  The speaker case 40 is formed of a bottom 43 formed with a convex portion 41 and a cover 44 engaged with the bottom 43, and the speaker 31 is sandwiched and fixed between the bottom 43 and the cover 44. The speaker 31 can be unitized, and the speaker 31 can be easily attached.

  The speaker 31 is fitted into the bottom 43, and the cover 44 engaged with the bottom 43 comes into contact with the rear surface of the speaker 31 to press the speaker 31 against the bottom 43. Since the speaker 31 is sandwiched and fixed between two members, a fixing member such as a screw can be omitted, and the fixing work of the speaker 31 is facilitated.

  The convex portion 41 of the speaker case 40 is formed at a position shifted from the center of the front surface of the speaker case 40. The speaker case 40 can be attached to the cabinet 1 so as not to hit the protrusions and other members of the cabinet 1.

In addition, this invention is not limited to the said embodiment, Of course, many corrections and changes can be added within the scope of the present invention. The air conditioner is not limited to the separator type, and may be an integrated air conditioner. The indoor operation terminal is not limited to the remote controller 20, and may be an information terminal that can perform wireless communication with the indoor unit. In this case, the wireless communication method is not limited to infrared communication, and short-range wireless communication such as Bluetooth (registered trademark) or ZigBee (registered trademark) is used. Further, the indoor operation terminal may be communicable with the indoor unit by wireless LAN. In this case, the ID of the indoor operation terminal and the ID of the external operation terminal are registered in advance in the control unit of the indoor unit. The control unit discriminates between the indoor operation terminal and the external operation terminal based on the ID included in the operation signal.

  As a seventh embodiment, words that can specify a person, such as a name, nickname, and a note associated with the external operation terminal 21, are used as voices when the external operation terminal 21 is operated and an instruction is given. You may add and emit. Thereby, the person who instructed driving can be specified.

  As an eighth embodiment, when the form of the operation unit 34 of the operation terminal is changed along with the voice guidance, the form of the operation unit of the external operation terminal 21 may be changed. Similarly to the remote controller 20, the external operation terminal 21 includes a display unit, a plurality of operation units, a terminal control unit, and a communication unit. When there is the external operation terminal 21 in the room, the form of the operation unit is changed with the voice guidance.

DESCRIPTION OF SYMBOLS 1 Cabinet 3 Outlet 4 Front panel 6 Open panel 10 Control part 11 Room temperature detector 13 Humidity detector 14 Human body detector 20 Remote control 21 External operation terminal 22 Communication part 23 Network communication part 24 Router 25 Fan 26 for ventilation | blower Display part 30 Speaking section 31 Speaker 33 Display section 34 Operation section 35 Terminal control section 40 Speaker case 41 Convex section 42 Hole 43 Bottom 44 Cover 45

Claims (1)

A refrigeration cycle for circulating refrigerant and exchanging heat with room air;
A blower fan for blowing indoor air after heat exchange into the room;
An utterance unit that emits voice;
The air conditioning operation is performed by controlling the refrigeration cycle and the blower fan, and includes a control unit that controls the speech unit,
The control unit has permissible rotational speed information of the blower fan according to the sound volume uttered by the utterance unit , and when making a sound, before making the sound, the rotational speed of the blower fan is equal to or less than the permissible rotational speed. air conditioner and controlling the.

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