WO2013099275A1 - Climatiseur - Google Patents

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Publication number
WO2013099275A1
WO2013099275A1 PCT/JP2012/008413 JP2012008413W WO2013099275A1 WO 2013099275 A1 WO2013099275 A1 WO 2013099275A1 JP 2012008413 W JP2012008413 W JP 2012008413W WO 2013099275 A1 WO2013099275 A1 WO 2013099275A1
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WO
WIPO (PCT)
Prior art keywords
unit
power
power supply
state
outdoor
Prior art date
Application number
PCT/JP2012/008413
Other languages
English (en)
Japanese (ja)
Inventor
伸 東山
岡野　貴史
万里央 林
浩 堂前
Original Assignee
ダイキン工業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ダイキン工業株式会社 filed Critical ダイキン工業株式会社
Publication of WO2013099275A1 publication Critical patent/WO2013099275A1/fr

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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/52—Indication arrangements, e.g. displays
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/56—Remote control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/88—Electrical aspects, e.g. circuits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/46—Improving electric energy efficiency or saving
    • F24F11/47—Responding to energy costs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C2201/00—Transmission systems of control signals via wireless link
    • G08C2201/10—Power supply of remote control devices
    • G08C2201/12—Power saving techniques of remote control or controlled devices

Definitions

  • the present invention relates to an air conditioner including an outdoor unit, an indoor unit, and a wired remote controller, and particularly relates to a measure for reducing standby power.
  • an air conditioner equipped with an outdoor unit and an indoor unit is known.
  • an outdoor unit and an indoor unit are connected to each other by a pair of power wires connected to an AC power source and a single signal line.
  • power is supplied from the AC power source to the outdoor unit and the indoor unit, and signals are transmitted and received between the indoor unit and the outdoor unit.
  • an open / close relay is provided in the power supply circuit on the outdoor unit side connected to the control unit on the outdoor unit side and the inverter. This open / close relay is turned off when the air conditioner shifts from the operating state to the standby state. Therefore, in the air conditioner, power supply to the outdoor unit is interrupted during standby and power is supplied only to the indoor unit, and power consumption (standby power) during standby is reduced.
  • a wireless remote controller is used for operation, but a wired remote controller may be used in addition to the wireless remote controller.
  • the wired remote controller is normally connected to an indoor unit and supplied with power from the indoor unit. For this reason, in the wired remote controller, the same amount of power as that during operation is consumed even during standby, and as a result, a situation in which standby power of the entire apparatus cannot be sufficiently reduced has occurred.
  • the present invention has been made in view of this point, and aims to sufficiently reduce the standby power of the entire apparatus by reducing the power consumption of the wired remote controller during standby.
  • the first invention includes an indoor unit (20), an outdoor unit (10), and a wired remote controller (30), and power is supplied from the AC power source (50) to the indoor unit (20) and the outdoor unit (10). Air conditioning that can be shifted between the operating state of the power supply and the standby state in which power is supplied from the AC power supply (50) to the indoor unit (20) and the power supply to the outdoor unit (10) is cut off Intended for equipment.
  • the wired remote controller (30) includes a display unit (34), a communication unit (33) that transmits and receives signals between the indoor unit (20), and the AC power source (50) from the AC power source (50) during operation. Power is supplied to the display unit (34) and the communication unit (33) via the indoor unit (20), and power is supplied to at least one of the display unit (34) and the communication unit (33) during a standby state. And a blocking portion (35) for blocking.
  • At least one of the display unit (34) and the communication unit (33) is turned off by the blocking unit (35) during the standby state.
  • the display unit (34) and the communication unit (33) consume relatively large power in the wired remote controller (30). Therefore, in the wired remote controller (30), power consumption during the standby state is significantly reduced.
  • the wired remote controller (30) supplies the power supplied from the indoor unit (20) to the display unit (34) and the communication unit (33).
  • the shut-off unit (35) shuts off power supply from the power supply unit (32) to at least one of the display unit (34) and the communication unit (33) during a standby state. It is characterized by that.
  • power is supplied from the indoor unit (20) to the power supply unit (32), and power is supplied from the power supply unit (32) to at least one of the display unit (34) and the communication unit (33). Is cut off. Therefore, the power supply from the indoor unit (20) to the power supply unit (32) is maintained even in the standby state, and power is supplied from the power supply unit (32) to the other parts that operate in the standby state.
  • the wired remote controller (30) has an operation button, and the power supply to the display unit (34) is blocked by the blocking unit (35).
  • the blocking by the blocking unit (35) is canceled in preference to the normal operation by the operation button.
  • the normal operation by the operation button for example, the operation start operation by the operation button
  • the blocking unit (35 ) Is released and the display (34) is turned on.
  • the user presses the operation button while the display unit (34) is on normal operation is performed. Therefore, the user can turn on the display unit (34) once before performing normal operation (for example, before the start of operation) and check the display contents.
  • the wired remote controller (30) is configured such that power supply to the display unit (34) is blocked by the blocking unit (35). In this case, when the communication unit (33) receives the error information, the block by the blocking unit (35) is canceled and the error information is displayed.
  • the communication unit (33) when the communication unit (33) receives error information when the display unit (34) is in the off state, the interruption of power supply by the blocking unit (35) is released, and the error information is displayed on the display unit. (34) is displayed. Therefore, the user can check the error information when an error occurs.
  • the power supply to at least one of the display unit (34) and the communication unit (33), which consumes relatively large power in the wired remote controller (30), is cut off during the standby state. . Therefore, in the wired remote controller (30), the power consumption (standby power) during the standby state can be significantly reduced, and as a result, the standby power of the entire air conditioner (1) can be sufficiently reduced.
  • the second invention power is supplied from the indoor unit (20) to the power supply unit (32) during the standby state, and the display unit (34) and the communication unit (33) are supplied from the power supply unit (32).
  • the power supply to at least one of them was cut off. Therefore, power can be supplied to other parts during the standby state to ensure necessary operation.
  • the display unit (34) when the operation button is pressed when the display unit (34) is in the off state, the display unit (34) is turned on without performing the normal operation by the operation button. As a result, the user can turn on the display unit (34) once before normal operation to check the display contents, and prevent erroneous operations.
  • the error information when the display unit (34) is in the off state, the error information is displayed by turning on the display unit (34). As a result, the user can immediately obtain error information when an error occurs.
  • FIG. 1 is a block diagram (suspended state) of the electrical system of the air-conditioning apparatus according to the present embodiment.
  • FIG. 2 is a block diagram of the remote controller according to the present embodiment.
  • FIG. 3 is a state transition diagram of the air-conditioning apparatus according to this embodiment.
  • FIG. 4 is a diagram illustrating a state of each relay at the time when a circuit charged in the smoothing capacitor is formed.
  • FIG. 5 is a diagram illustrating a state of each relay after the transition to the charging state is completed.
  • FIG. 6 is a diagram illustrating the state of each relay in the wait state.
  • FIG. 7 is a diagram showing the state of each relay in the operating state.
  • FIG. 1 is a block diagram of an electrical system of an air conditioner (1) according to an embodiment of the present invention.
  • the air conditioner (1) includes an outdoor unit (10), an indoor unit (20), and a remote controller (30).
  • the outdoor unit (10) is provided with devices such as an electric compressor, an outdoor heat exchanger, an outdoor fan, and an expansion valve.
  • the indoor unit (20) includes an indoor heat exchanger, Equipment such as a fan is provided.
  • these devices constitute a refrigerant circuit (not shown) that performs a refrigeration cycle.
  • the outdoor unit (10) receives AC (three-phase AC of 200 V in this example) from the commercial AC power source (50) to receive the circuit in the outdoor unit (10) and the electric compressor.
  • AC three-phase AC of 200 V in this example
  • the two-phase part of the three-phase alternating current is fed to the indoor unit (20).
  • signal communication is performed between the outdoor unit (10) and the indoor unit (20) for the purpose of controlling the outdoor unit (10) from the indoor unit (20) side.
  • power wiring (L) for transmitting AC power from a commercial AC power supply (50) (hereinafter also simply referred to as AC power supply), and a signal line (S) for transmitting the signal Three wires (internal / external wiring) of a common line (N) shared for transmission of the AC power and transmission of the signal are provided between the outdoor unit (10) and the indoor unit (20).
  • the power wiring (L) is connected to the R phase of the AC power source (50) in the outdoor unit (10), and the common line (N) is the S phase of the AC power source (50) in the outdoor unit (10). It is connected to the. That is, the indoor unit (20) is connected to the R phase and the S phase of the AC power supply (50) and supplied with single-phase AC.
  • the signal line (S) is used for transmission of AC power, as described later, in addition to transmission / reception of the signal. Therefore, the signal line (S) employs a wiring member having a current capacity corresponding to the transmission power. In the present embodiment, the same wiring member as the power wiring (L) and the common line (N) is used for the signal line (S).
  • the outdoor unit (10) has, as an electrical system, a first outdoor power circuit (14), a second outdoor power circuit (12), an outdoor unit transmission circuit (11), an outdoor control circuit (13), a relay (K13R , K14R, K15R).
  • the first outdoor power supply circuit (14) converts the three-phase alternating current received from the alternating current power supply (50) into direct current and supplies it to a so-called intelligent power module (hereinafter referred to as IPM) or outdoor fan motor. .
  • the IPM converts the input direct current into alternating current having a predetermined frequency and voltage, and supplies power to the motor of the electric compressor.
  • the first outdoor power supply circuit (14) includes a noise filter (14a), two main relays (14b), two diode bridge circuits (14c), a reactor (14d), and a smoothing capacitor (14e). I have.
  • the noise filter (14a) is formed by a capacitor and a coil.
  • the two main relays (14b) are respectively provided in the three-phase AC R-phase and T-phase supply lines. These main relays (14b) are so-called A contact relays. Specifically, the main relay (14b) has one fixed contact and one movable contact, and when the coil of the main relay (14b) is energized, these contacts are connected (ON). Of the two diode bridge circuits (14c), one inputs the R phase and S phase of the three-phase AC and the other inputs the S phase and T phase of the three-phase AC and inputs the AC Is full-wave rectified.
  • the outputs of these diode bridge circuits (14c) are input to the smoothing capacitor (14e) via the reactor (14d) and smoothed by the smoothing capacitor (14e).
  • the direct current smoothed by the smoothing capacitor (14e) is supplied to the IPM and the outdoor fan motor.
  • the second outdoor power supply circuit (12) converts the two phases of the three-phase alternating current R phase and S phase into direct current (5 V in this example) and supplies it to the outdoor control circuit (13).
  • the second outdoor power supply circuit (12) includes a diode bridge circuit (12a), a smoothing capacitor (12b), and a switching power supply (12c).
  • the diode bridge circuit (12a) has one input connected to a relay (K13R), which will be described in detail later, and the other input connected to the S phase of the three-phase AC.
  • the output of the diode bridge circuit (12a) is smoothed by the smoothing capacitor (12b) and then input to the switching power supply (12c).
  • the switching power supply (12c) is composed of, for example, a DC-DC converter, converts the input DC voltage into a predetermined voltage (5V), and outputs the voltage to the outdoor control circuit (13).
  • the outdoor unit transmission circuit (11) performs signal communication with the indoor unit transmission circuit (21). In this communication, high-level and low-level binary digital signals are communicated based on the potential difference between the signal line (S) and the common line (N).
  • the communication circuit (not shown) in the indoor unit transmission circuit (21) has one end connected to the common line (N) and the other end connected to the signal line (S) via the relay (K14R). ing.
  • the relay (K13R) is a relay that switches the AC supply path to the second outdoor power supply circuit (12).
  • the relay (K13R) is a so-called C contact relay.
  • the relay (K13R) has two fixed contacts and one movable contact. If the coil of the relay (K13R) is not energized, one fixed contact (referred to as a normally closed contact) When the movable contact is connected and the coil is energized, the other fixed contact (referred to as a normally open contact) and the movable contact are connected.
  • the outdoor control circuit (13) controls switching of the relay (K13R) (whether or not the coil is energized).
  • the movable contact of the relay (K13R) is connected to the input of the diode bridge circuit (12a).
  • the normally closed contact is connected to the signal line (S), and the normally open contact is connected to the R phase of the three-phase alternating current. That is, when the coil of the relay (K13R) is not energized, the normally closed contact and the movable contact are connected, and one input of the diode bridge circuit (12a) is connected to the signal line (S).
  • the coil of the relay (K13R) is energized, the movable contact and the normally open contact are connected and AC is input to the diode bridge circuit (12a) of the second outdoor power supply circuit (12).
  • the relay (K14R) is a relay that switches connection and disconnection between the signal line (S) and the outdoor unit transmission circuit (11).
  • the relay (K14R) is a so-called A contact relay, and when the coil is energized, the fixed contact and the movable contact are turned on.
  • the outdoor control circuit (13) controls on / off of the relay (K14R).
  • the relay (K14R) has a movable contact connected to the signal line (S) and another fixed contact connected to one end of a communication circuit (not shown) in the outdoor unit transmission circuit (11).
  • the A contact relay the correspondence between the input signal and each contact may be reversed.
  • a relay (K15R) is a relay which switches the presence or absence of the electric power supply to an outdoor unit transmission circuit (11).
  • the relay (K15R) is a so-called A contact relay.
  • One contact of the relay (K15R) is connected to the power supply node of the outdoor unit transmission circuit (11), and the other contact is connected to the R phase of the three-phase AC.
  • the outdoor control circuit (13) controls on / off of the relay (K15R).
  • the outdoor control circuit (13) includes a microcomputer and a memory storing a program for operating the microcomputer (not shown).
  • the outdoor control circuit (13) controls, for example, the electric compressor according to the signal received by the outdoor unit transmission circuit (11) from the indoor unit transmission circuit (21), and activates the outdoor unit (10). Also controls the time.
  • the outdoor side control circuit (13) stops operating because the power supply is cut off.
  • the indoor unit (20) includes, as an electrical system, an indoor power supply circuit (22), an indoor unit transmission circuit (21), an indoor control circuit (23), a relay (K2R), a first diode (D1), and a second A diode (D2) is provided.
  • the indoor power supply circuit (22) includes a noise filter (22a), a diode bridge circuit (22b), a smoothing capacitor (22c), and a switching power supply (22d).
  • the indoor side power supply circuit (22) converts the alternating current supplied from the alternating current power source (50) through the power wiring (L) and the common line (N) into direct current (in this example, direct current of 5V), and controls the indoor side control. Supply to circuit (23).
  • the noise filter (22a) is formed of two coils.
  • the diode bridge circuit (22b) performs full-wave rectification on the alternating current input from the power wiring (L) and the common line (N) via the noise filter (22a).
  • the smoothing capacitor (22c) is formed of, for example, an electrolytic capacitor, and smoothes the output of the diode bridge circuit (22b).
  • the switching power supply (22d) is composed of, for example, a DC-DC converter or the like, converts the direct current smoothed by the smoothing capacitor (22c) into a predetermined voltage (5V), and outputs the same to the indoor control circuit (23).
  • the indoor unit transmission circuit (21) performs signal communication with the outdoor unit transmission circuit (11).
  • digital signal communication is performed based on the potential difference between the signal line (S) and the common line (N)
  • one end of the communication circuit of the indoor unit transmission circuit (21) is connected to the second diode ( D2) is connected to the signal line (S)
  • the other end of the communication circuit is connected to the common line (N).
  • the relay (K2R) is a so-called A contact relay.
  • the relay (K2R) and the first diode (D1) are provided in the indoor unit (20), and are connected in series between the power wiring (L) and the signal line (S). More specifically, the movable contact of the relay (K2R) is connected to the power wiring (L), and the fixed contact of the relay (K2R) is connected to the cathode of the first diode (D1). The anode of the first diode (D1) is connected to the signal line (S).
  • the relay (K2R) functions as a switch that switches on and off between the power wiring (L) and the signal line (S).
  • the indoor control circuit (23) controls the on / off of the relay (K2R).
  • the first diode (D1) blocks an alternating current flowing in the direction into the indoor unit transmission circuit (21).
  • the positional relationship between the first diode (D1) and the relay (K2R) may be reversed. That is, the cathode of the first diode (D1) is connected to the power wiring (L), the anode of the first diode (D1) is connected to one contact of the relay (K2R), and the other of the relay (K2R) is connected. You may make it connect a contact to a signal wire
  • the anode of the second diode (D2) is connected to the connection node (ND1) of the first diode (D1) and the signal line (S), and the cathode is connected to the signal input node (ND2) in the indoor unit transmission circuit (21). It is connected.
  • the second diode (D2) blocks an alternating current flowing in the direction from the indoor unit transmission circuit (21).
  • the common line (N) is connected to the S phase of the AC power supply (50), so the communication signal between the indoor unit transmission circuit (21) and the outdoor unit transmission circuit (11)
  • the S-phase alternating current is half-wave rectified by the second diode (D2) and superimposed.
  • the indoor side control circuit (23) has a microcomputer and a memory storing a program for operating the microcomputer (not shown), receives power from the indoor side power supply circuit (22), and receives air from the air conditioner (1) Control the operating state of The indoor side control circuit (23) includes an I / F circuit (24).
  • the I / F circuit (24) is connected to the remote control (30) via a pair of transmission lines (31), and supplies power to the remote control (30), Send and receive signals between.
  • the remote controller (30) is connected to the indoor unit (20) via the transmission line (31), and constitutes the wired remote controller of the present invention.
  • the remote control (30) includes, as an electrical system, a power supply unit (32), a communication unit (33), a display unit (34), a blocking unit (35), an operation unit (38), and a control unit (40). ing.
  • the power supply unit (32) is connected to the I / F circuit (24) of the indoor unit (20) via the transmission line (31), and further includes a communication unit (33), a display unit (34), and a control unit. (40) is connected to each.
  • the power supply unit (32) converts the power supplied from the I / F circuit (24) into DC power and supplies the DC power to each unit (33, 34, 40).
  • the communication unit (33) is connected to the transmission line (31) in parallel with the power supply unit (32), and transmits and receives signals to and from the I / F circuit (24).
  • the display unit (34) is, for example, a liquid crystal display screen, and displays operation details of the air conditioner (1) and user operation details.
  • the blocking unit (35) includes a communication unit side relay (36) and a display unit side relay (37).
  • the communication unit side relay (36) is provided between the power supply unit (32) and the communication unit (33), and turns on / off the power supply from the power supply unit (32) to the communication unit (33). Then, the communication unit (33) is turned on / off.
  • the display unit side relay (37) is provided between the power supply unit (32) and the display unit (34), and turns on / off the power supply from the power supply unit (32) to the display unit (34). Thus, the display unit (34) is turned on / off.
  • the operation unit (38) has a plurality of operation buttons including a driving button (39), and outputs operation contents of the user as a signal to the control unit (40).
  • the operation button (39) is for starting or stopping the operation of the air conditioner (1).
  • the control unit (40) includes a microcomputer and a program for operating the microcomputer (not shown). For example, the control unit (40) outputs a signal instructing operation start or operation stop to the communication unit (33), or a blocking unit (35 Open / close control of two relays (36, 37).
  • control unit (40) performs control so that the two relays (36, 37) are turned off during the suspended state while being turned on during the operating state.
  • the control unit (40) allows the user to press one of the operation buttons on the operation unit (38) so that the normal operation (driving) In the case of the button (39), the operation start operation) is not started, and the display side relay (37) is turned on. That is, when the display unit side relay (37) is in the OFF state, the ON operation of the display unit side relay (37) is performed with priority over the normal operation by the operation button. After that, when the display unit side relay (37) is in the ON state, when the user presses the operation button, the control unit (40) starts normal operation by the operation button.
  • control unit (40) forces the display side relay (37) when an error such as filter replacement or drain pump abnormality occurs while the display side relay (37) is in the off state during the suspended state.
  • the error information is displayed on the display unit (34).
  • FIG. 3 is a state transition diagram of the air conditioner (1).
  • the air conditioner (1) transitions between four states: a suspended state, a charged state, a wait state, and an operating state, which will be described below.
  • the suspended state is a standby state according to the present invention, in which power is supplied to the indoor unit (20) and power is not supplied to the outdoor unit (10).
  • the suspended state of the present embodiment is a state in which the power consumption of the entire air conditioner (1) is minimized.
  • the outdoor unit (10) receives power and supplies it to the indoor unit (20), but power is supplied to each internal circuit, electric compressor, and the like. It is a state that has not been done.
  • power supply to each circuit of the outdoor unit (10) is cut off, and standby power can be reduced.
  • the indoor unit (20) is in a state where the power consumption is minimized.
  • the part related to signal reception from the remote control (30) in the indoor side control circuit (23) is the indoor side power circuit ( 22) It is receiving power from operation.
  • the remote control (30) is in a state where the power consumption is minimized, the user can accept driving operation, and the power supply to the communication unit (33) and the display unit (34) is cut off. .
  • the degree of power consumption (standby power) of the indoor unit (20) and the remote control (30) is not limited to this.
  • the power consumption of the indoor unit (20) is the same as in the suspended state.
  • the wait state is a state in which the above charging state is exited at the start of operation, and a transition from the operation state (described later) when the operation is stopped.
  • the outdoor unit (10) This refers to a state that can be shifted to an operating state (described later).
  • the operation of the outdoor unit transmission circuit (11) and the outdoor control circuit (13) is also possible.
  • the weight state at the time of operation stop (weight state that transitions from the operation state) is used to equalize the refrigerant pressure in the electric compressor, or when the scule operation that repeats the operation start and operation stop is set. The time is 10 minutes, for example.
  • the operational state refers to a state where electric power is supplied from the first outdoor power supply circuit (14) to the IPM and the fan motor, and the electric compressor and the outdoor fan can be operated or are operating.
  • the power consumption of the remote control (30) is the same as the charged state.
  • the power consumption of the indoor unit (20) is higher than in each of the above states because the indoor fan or the like is in an operating state.
  • the main relay (14b) is off, and power is not supplied from the first outdoor power supply circuit (14) to the IPM and the outdoor fan motor.
  • the relay (K14R) and the relay (K15R) are in an off state, and the outdoor unit transmission circuit (11) is disconnected from the signal line (S) and also supplied with power.
  • the relay (K13R) is a state in which the normally closed contact and the movable contact are connected.
  • the diode bridge circuit (12a) of the second outdoor power supply circuit (12) has one input as a signal line (S). It is connected to the. In this state, the second outdoor power supply circuit (12) is not energized, and no power is supplied to the outdoor control circuit (13). Thus, the outdoor unit (10) is shut off from the power supply.
  • the relay (K2R) is off, and the signal line (S) and power wiring (L) are not electrically connected.
  • the part related to the signal reception from the remote control (30) in the indoor side control circuit (23) operates by receiving power from the indoor side power supply circuit (22).
  • the two relays (36, 37) of the blocking unit (35) are in the off state, and the display unit (34) and the communication unit (33) are supplied with power from the power supply unit (32). It has been refused.
  • FIG. 4 is a diagram showing the state of each relay at the time when a circuit for charging the smoothing capacitor (12b) of the second outdoor side power supply circuit (12) is formed.
  • FIG. 5 is a diagram illustrating a state of each relay after the transition to the charging state is completed.
  • the control unit (40) When the user presses one of the operation buttons (including the operation button (39)) on the remote control (30), the control unit (40) turns on the display side relay (37) of the shut-off unit (35) and supplies power Power is supplied from the unit (32) to the display unit (34). Thereafter, when the user presses the operation button (39), the control unit (40) turns on the communication unit side relay (36), and power is supplied from the power supply unit (32) to the communication unit (33). An operation start signal is transmitted from the communication unit (33) to the indoor unit (20).
  • the indoor side control circuit (23) turns on the relay (K2R). Then, from the R phase of the three-phase alternating current, the second outdoor power supply circuit (L), the relay (K2R), the first diode (D1), the signal line (S), and the relay (K13R) are connected. The route to 12) is formed. Thereby, a circuit is formed in which the smoothing capacitor (12b) of the second outdoor power supply circuit (12) is charged (see FIG. 4).
  • the switching power supply (12c) can output the specified DC voltage (5 V in this example).
  • the outdoor control circuit (13) is activated.
  • the activated outdoor control circuit (13) energizes the coil of the relay (K13R) to connect the normally open contact and the movable contact.
  • one input of the diode bridge circuit (12a) is connected to the R phase of the three-phase alternating current via the power transmission path in the outdoor unit (10). That is, the outdoor control circuit (13) switches to a state where power is supplied from the AC power supply (50) without passing through the signal line (S) (see FIG. 5).
  • the transition from the suspended state to the charged state is completed.
  • FIG. 6 is a diagram illustrating the state of each relay when the transition to the wait state is completed.
  • the relay (K2R) is turned off after a predetermined time (a time sufficient for starting the outdoor control circuit (13)) has elapsed since the relay (K2R) was turned on.
  • the signal line (S) can be used for signal transmission and reception.
  • the outdoor control circuit (13) turns on the relay (K15R) and power is supplied to the outdoor unit transmission circuit (11) in anticipation of the relay (K2R) being turned off. And turn on the relay (K14R).
  • the communication circuit in the outdoor unit transmission circuit (11) is connected to the indoor unit transmission circuit (21) via the signal line (S) and the common line (N), and communicates with the indoor unit transmission circuit (21). It becomes possible.
  • the air conditioner (1) enters a state where it can exit the charging state and shift to the immediate operation state (that is, a wait state).
  • FIG. 7 is a diagram showing the state of each relay in the operating state.
  • the outdoor control circuit (13) turns on the two main relays (14b).
  • electric power is supplied to the IPM and the outdoor fan motor by the first outdoor power supply circuit (14), and the electric compressor and the like are put into operation, for example, cooling is performed.
  • the outdoor control circuit (13) switches the main relay (14b) of the first outdoor power supply circuit (14) from on to off (see FIG. 6). Thereby, the power supply to the IPM and the outdoor fan motor is cut off, and the electric compressor and the like are stopped. Thus, the transition from the operating state to the wait state is completed.
  • the remote controller (30) determines whether or not it is possible to shift to the suspend state based on whether or not a predetermined time has elapsed. When the predetermined time has elapsed, the remote controller (30) determines that the transition to the suspended state is possible. Thereafter, the remote controller (30) transmits a blocking request signal to the indoor unit (20), and the indoor unit (20) transmits a blocking request signal to the outdoor unit (10).
  • the outdoor control circuit (13) turns off the relay (K14R) and the relay (K15R). Furthermore, when the outdoor control circuit (13) sets the normally closed contact and the movable contact of the relay (K13R) to be connected, the power supply to the second outdoor power supply circuit (12) is cut off ( (See FIG. 1). Further, before the power supply is cut off, the outdoor unit (10) transmits a cut-off execution signal to the indoor unit (20), and the indoor unit (20) transmits a cut-off execution signal to the remote controller (30).
  • the control unit (40) turns off the two relays (36, 37) of the cutoff unit (35). Thereby, the power supply from the power supply unit (32) to the display unit (34) and the communication unit (33) is cut off (see FIG. 2). Thus, the transition to the suspended state is completed.
  • ⁇ Effect in this embodiment> power supply to the display unit (34) and the communication unit (33) is interrupted during the suspended state.
  • the display unit (34) and the communication unit (33) consume relatively large power in the wired remote controller (30). Therefore, in the wired remote controller (30), power consumption (standby power) in the suspended state can be significantly reduced, and as a result, the standby power of the entire air conditioner (1) can be sufficiently reduced.
  • power is supplied from the indoor unit (20) to the power supply unit (32), and power is supplied from the power supply unit (32) to the display unit (34) and the communication unit (33).
  • the display unit (34) and the communication unit (33) can be turned off while supplying necessary power to the other units such as the control unit (40) in the suspended state to ensure necessary operations.
  • the user when the display unit side relay (37) of the blocking unit (35) is in the off state during the suspend state, the user includes the operation button (the operation button (39) of the operation unit (38). ), The display unit side relay (37) is turned on and the display unit (34) is turned on without performing the normal operation by the operation button. As a result, the user can turn on the display unit (34) once before performing normal operation with the operation buttons (before starting operation in the case of the operation button (39)) to check the display contents, thereby preventing erroneous operation. be able to.
  • the communication unit (33) when the communication unit (33) receives error information when the display unit side relay (37) of the blocking unit (35) is in the off state during the suspend state, the communication unit (33) receives the error information.
  • the relay (37) is turned on and error information is displayed on the display (34). As a result, the user can obtain error information immediately.
  • the communication unit side relay (36) and the display unit side relay (37) are provided in the blocking unit (35).
  • the configuration of the blocking section (35) is not limited to this, and for example, only one of these two relays (36, 37) may be provided.
  • a relay that turns on / off the communication unit (33) and the display unit (34) together may be provided.
  • the relay (36, 37) of the shut-off unit (35) is turned off when the remote control (30) receives the shut-off execution signal from the indoor unit (20) during the operation stop operation.
  • the timing of turning off the relay (36, 37) is not limited to this.
  • the relay (36, 37) may be turned off after a predetermined time has elapsed since the user pressed the operation button (39). I do not care.
  • the present invention is useful for an air conditioner that harmonizes indoor air.
  • Air conditioner 10 Outdoor unit 20 Indoor unit 30 Remote control (wired remote control) 32 Power supply unit 33 Communication unit 34 Display unit 35 Shutdown unit 39 Operation button 50 Commercial AC power supply (AC power supply)

Abstract

La présente invention porte sur un climatiseur, avec lequel une consommation d'alimentation en vielle peut être réduite. Grâce à ce climatiseur (1), une commande à distance (30) connectée à une unité intérieure (20) comporte une unité d'affichage (34), une unité de communication (33) et une unité d'interruption (35). L'unité d'interruption interrompt la fourniture d'alimentation à l'unité d'affichage (34) et à l'unité de communication (33) pendant un état suspendu dans lequel la fourniture d'alimentation à partir d'une alimentation en courant alternatif commerciale (50) jusqu'à une unité extérieure (10) a été interrompu.
PCT/JP2012/008413 2011-12-28 2012-12-27 Climatiseur WO2013099275A1 (fr)

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JP2011287093A JP2013137114A (ja) 2011-12-28 2011-12-28 空気調和装置
JP2011-287093 2011-12-28

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WO2013099275A1 true WO2013099275A1 (fr) 2013-07-04

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3379162A3 (fr) * 2017-03-24 2018-11-21 Mitsubishi Heavy Industries Thermal Systems, Ltd. Système de conditionnement d'air et procédé de commande
CN113983652A (zh) * 2021-11-05 2022-01-28 万合智联(浙江)科技有限公司 节能降耗的中央空调管理方法及其系统

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017090182A1 (fr) * 2015-11-27 2017-06-01 東芝キヤリア株式会社 Système de climatisation et unité intérieure utilisée dans celui-ci
CN108168048B (zh) * 2017-11-16 2020-04-24 青岛海尔空调器有限总公司 识别空调电路的方法、装置及空调
CN112833520B (zh) * 2021-01-19 2022-02-22 海信（广东）空调有限公司 控制装置、空调控制器、空调器及其控制方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004286319A (ja) * 2003-03-24 2004-10-14 Gastar Corp 省電力リモートコントローラ
JP2008101895A (ja) * 2006-10-18 2008-05-01 Samsung Electronics Co Ltd 空気調和機及びその制御方法
JP2009041857A (ja) * 2007-08-09 2009-02-26 Sharp Corp 空気調和機
JP2009144961A (ja) * 2007-12-13 2009-07-02 Panasonic Corp 空気調和機のリモコン

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004286319A (ja) * 2003-03-24 2004-10-14 Gastar Corp 省電力リモートコントローラ
JP2008101895A (ja) * 2006-10-18 2008-05-01 Samsung Electronics Co Ltd 空気調和機及びその制御方法
JP2009041857A (ja) * 2007-08-09 2009-02-26 Sharp Corp 空気調和機
JP2009144961A (ja) * 2007-12-13 2009-07-02 Panasonic Corp 空気調和機のリモコン

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3379162A3 (fr) * 2017-03-24 2018-11-21 Mitsubishi Heavy Industries Thermal Systems, Ltd. Système de conditionnement d'air et procédé de commande
CN113983652A (zh) * 2021-11-05 2022-01-28 万合智联(浙江)科技有限公司 节能降耗的中央空调管理方法及其系统

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