EP2746687B1 - Klimaanlage - Google Patents

Klimaanlage Download PDF

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Publication number
EP2746687B1
EP2746687B1 EP13191572.0A EP13191572A EP2746687B1 EP 2746687 B1 EP2746687 B1 EP 2746687B1 EP 13191572 A EP13191572 A EP 13191572A EP 2746687 B1 EP2746687 B1 EP 2746687B1
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EP
European Patent Office
Prior art keywords
unit
power
indoor
terminal
outdoor
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EP13191572.0A
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English (en)
French (fr)
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EP2746687A1 (de
Inventor
Hirokazu Iijima
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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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Publication of EP2746687A1 publication Critical patent/EP2746687A1/de
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0003—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station characterised by a split arrangement, wherein parts of the air-conditioning system, e.g. evaporator and condenser, are in separately located units
    • 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
    • F24F11/62—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
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/20—Electric components for separate outdoor units
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2221/00—Details or features not otherwise provided for
    • F24F2221/32—Details or features not otherwise provided for preventing human errors during the installation, use or maintenance, e.g. goofy proof

Definitions

  • the present invention relates to an air conditioner.
  • an indoor-unit power receiving system in which commercial power supply supplied to an indoor unit is supplied to an outdoor unit via a power line
  • an outdoor-unit power receiving system a system in which commercial power supply is received on an outdoor unit side and then supplied to an indoor unit.
  • a power relay is provided on the power supply path from the indoor unit to the outdoor unit and, when the air conditioner is on operational standby, the feeding of power to the outdoor unit is stopped.
  • a power relay is not necessary.
  • An example of a method of switching between the indoor-unit power receiving system and the outdoor-unit power receiving system is a method in which a power-receiving-system data unit, which includes a memory device or a switching unit, such as a jumper wire and a switch, is included and switching is performed between the indoor-unit power receiving system and the outdoor-unit power receiving system on the basis of the information, which is stored in the memory device, for distinguishing between the indoor-unit power receiving system and the outdoor-unit power receiving system, the presence or absence or the position of the jumper wire, or the switching of the switching unit (for example, see Japanese Patent Application Laid-open 2012-117704 ).
  • the present invention is achieved in view of the above and has an object to provide an air conditioner capable of automatically switching between the indoor-unit power receiving system and the outdoor-unit power receiving system in accordance with the situation when the air conditioner is installed without requiring components for setting whether the air conditioner is the indoor power receiving type or the outdoor power receiving type and without requiring a setting operation when the product is shipped or when the product is installed.
  • an air conditioner comprises the features of claim 1.
  • Such an air conditioner includes an indoor unit and an outdoor unit, and is capable of using both an indoor-unit power receiving system, in which a commercial power supply supplied to the indoor unit is supplied to the outdoor unit via a power line, and an outdoor-unit power receiving system, in which the commercial power supply supplied to the outdoor unit is supplied to the indoor unit via the power line, wherein the indoor unit includes a communication circuit that performs a predetermined communication with the outdoor unit via a communication line, and a power-supply control circuit that performs power-supply control in accordance with whether communication with the outdoor unit by the communication circuit is possible, and when power starts to be received, if communication with the outdoor unit by the communication circuit is possible, the power-supply control circuit determines that the outdoor-unit power receiving system is used and performs power-supply control, and, if communication with the outdoor unit by the communication circuit is not possible, the power-supply control circuit determines that the indoor-unit power receiving system is used and performs power-supply
  • FIG. 1 is a diagram illustrating an example of wiring of an indoor-unit power receiving system in one example configuration of an air conditioner according to the embodiment.
  • FIG. 2 is a diagram illustrating an example of wiring of an outdoor-unit power receiving system in one example configuration of the air conditioner according to the embodiment.
  • the air conditioner according to the present embodiment includes an indoor unit 1 and an outdoor unit 2.
  • the indoor unit 1 includes an indoor-unit-side control board 3 and an indoor-unit-side terminal block 5.
  • the indoor-unit-side control board 3 includes an indoor-unit-side power-supply control circuit 7, an indoor-unit-side communication circuit 9, and a relay for supplying commercial power supply (hereinafter, simply referred to as a "relay") 11.
  • the relay 11 has a function of stopping the supply of a commercial power supply 12 to the outdoor unit 2 when the air conditioner is on operational standby.
  • the indoor-unit-side terminal block 5 includes an S1 terminal (first terminal) 21 that is connected to the ungrounded-side power-supply input terminal of the indoor-unit-side power-supply control circuit 7 via the relay 11; an S2 terminal (second terminal) 22 that is connected to the grounded-side power-supply input terminal of the indoor-unit-side power-supply control circuit 7; an S3 terminal (third terminal) 23 that is connected to the grounded-side power-supply input terminal of the indoor-unit-side power-supply control circuit 7 via the indoor-unit-side communication circuit 9; an L terminal (fourth terminal) 24 that is connected to the ungrounded-side power-supply input terminal of the indoor-unit-side power-supply control circuit 7; and an N terminal (fifth terminal) 25 that is connected to the S2 terminal 22.
  • the L terminal (fourth terminal) 24 and the N terminal (fifth terminal) 25 are connected to the commercial power supply 12.
  • the L terminal (fourth terminal) 24 and the N terminal (fifth terminal) 25 form a pair of commercial-power-supply input paths to which the commercial power supply 12 is input via the outdoor unit 2.
  • the S1 terminal (first terminal) 21 and the S2 terminal (second terminal) 22 form a pair of commercial-power-supply output paths that supplies the commercial power supply 12 input to the L terminal (fourth terminal) 24 and the N terminal (fifth terminal) 25 to the outdoor unit 2 via the relay 11.
  • the outdoor unit 2 includes an outdoor-unit-side control board 4 and an outdoor-unit-side terminal block 6.
  • the outdoor-unit-side control board 4 includes an outdoor-unit-side power-supply control circuit 8 and an outdoor-unit-side communication circuit 10.
  • the outdoor-unit-side terminal block 6 includes an L1 terminal (sixth terminal) 26 that is connected to the ungrounded-side power-supply input terminal of the outdoor-unit-side power-supply control circuit 8; an N1 terminal (seventh terminal) 27 that is connected to the grounded-side power-supply input terminal of the outdoor-unit-side power-supply control circuit 8; an S3' terminal (eighth terminal) 28 that is connected to the grounded-side power-supply input terminal of the outdoor-unit-side power-supply control circuit 8 via the outdoor-unit-side communication circuit 10; an L2 terminal (ninth terminal) 29 that is connected to the L1 terminal 26; and an N2 terminal (tenth terminal) 30 that is connected to the N1 terminal 27.
  • the commercial power supply 12 is input to the L1 terminal (sixth terminal) 26 and the N1 terminal (seventh terminal) 27 via the indoor unit 1.
  • the L1 terminal (sixth terminal) 26 and the N1 terminal (seventh terminal) 27 form a pair of commercial-power-supply input paths to which the commercial power supply 12 is connected.
  • the L2 terminal (ninth terminal) 29 and the N2 terminal (tenth terminal) 30 form a pair of commercial-power-supply output paths that supplies the commercial power supply 12 input to the L1 terminal (sixth terminal) 26 and the N1 terminal (seventh terminal) 27 to the indoor unit 1.
  • FIG. 1 illustrates an example of wiring of the indoor-unit power receiving system as described above.
  • the commercial power supply 12 is connected between the L terminal 24 and the N terminal 25 on the indoor unit 1 side; the S1 terminal 21 on the indoor unit 1 side and the L1 terminal 26 on the outdoor unit 2 side are connected by a power line 13; the S2 terminal 22 on the indoor unit 1 side and the N1 terminal 27 on the outdoor unit 2 side are connected by a power-supply and communication common line 14; and the S3 terminal 23 on the indoor unit 1 side and the S3' terminal 28 on the outdoor unit 2 side are connected by a communication line 15.
  • the power supplied between the L terminal 24 and the N terminal 25 of the indoor-unit-side terminal block 5 from the commercial power supply 12 is supplied to the indoor-unit-side power-supply control circuit 7 and the power is also supplied to the outdoor-unit-side power-supply control circuit 8 via the power line 13 and the power-supply and communication common line 14 by the indoor-unit-side power-supply control circuit 7 closing the relay 11.
  • FIG. 2 illustrates an example of wiring of the outdoor-unit power receiving system as described above.
  • the commercial power supply 12 is connected between the L1 terminal 26 and the N1 terminal 27 on the outdoor unit 2 side; the L terminal 24 on the indoor unit 1 side and the L2 terminal 29 on the outdoor unit 2 side are connected by the power line 13; the N terminal 25 on the indoor unit 1 side and the N2 terminal 30 on the outdoor unit 2 side are connected by the power-supply and communication common line 14; and the S3 terminal 23 on the indoor unit 1 side and the S3' terminal 28 on the outdoor unit 2 side are connected by the communication line 15.
  • the power supplied between the L1 terminal 26 and the N1 terminal 27 of the outdoor-unit-side terminal block 6 from the commercial power supply 12 is supplied to the outdoor-unit-side power-supply control circuit 8 and the power is also supplied to the indoor-unit-side power-supply control circuit 7 via the power line 13 and the power-supply and communication common line 14.
  • the indoor-unit-side communication circuit 9 performs a predetermined communication with the outdoor-unit-side communication circuit 10 of the outdoor-unit-side control board 4 via the communication line 15 and the power-supply and communication common line 14.
  • the power is supplied to the indoor-unit-side power-supply control circuit 7 from the commercial power supply 12.
  • the relay 11 is open at this point; therefore, the power is not supplied to the outdoor-unit-side control board 4.
  • the power is not supplied to the outdoor-unit-side communication circuit 10 and communication between the indoor-unit-side communication circuit 9 and the outdoor-unit-side communication circuit 10 is not established.
  • the indoor-unit-side power-supply control circuit 7 shorts the relay 11 to supply power to the outdoor-unit-side control board 4.
  • a predetermined communication is performed between the indoor-unit-side communication circuit 9 and the outdoor-unit-side communication circuit 10.
  • the indoor-unit-side power-supply control circuit 7 opens the relay 11 to stop supplying power to the outdoor-unit-side control board 4.
  • the standby power can be reduced by stopping the supply of power to the outdoor-unit-side control board 4 when the air conditioner is on operational standby.
  • the indoor unit 1 is provided with an indoor heat exchanger, an indoor fan, a sensor, a display, and the like, which are a mechanical system.
  • the outdoor unit 2 is provided with an outdoor heat exchanger, an outdoor fan, a refrigerant switching valve, a compressor, and the like, which are a mechanical system.
  • FIG. 3 is a diagram illustrating an example of a power-receiving-system determination flow in the indoor unit of the air conditioner according to the embodiment.
  • the indoor-unit-side power-supply control circuit 7 determines whether communication from the outdoor-unit-side communication circuit 10 to the indoor-unit-side communication circuit 9 is performed normally (Step ST102). As described above, at this point, the relay 11 is open (OFF).
  • a method of determining whether communication from the outdoor-unit-side communication circuit 10 to the indoor-unit-side communication circuit 9 is performed normally for example, it is satisfactory to determine whether the indoor-unit-side communication circuit 9 receives a signal in a preset format from the outdoor-unit-side communication circuit 10.
  • the method of determining whether communication from the outdoor-unit-side communication circuit 10 to the indoor-unit-side communication circuit 9 is performed normally does not limit the present invention.
  • Step ST102 If the communication from the outdoor-unit-side communication circuit 10 to the indoor-unit-side communication circuit 9 is performed normally (Yes in Step ST102), it is determined that the air conditioner is operated under the outdoor-unit power receiving system (Step ST103) and the power-receiving-system determination flow ends. Thereafter, the control is performed on the assumption that power continues to be supplied to the indoor-unit-side control board 3 and the air conditioner is operated under the outdoor-unit power receiving system until the indoor unit 1 is reset. When the control is performed on the assumption that the air conditioner is operated under the outdoor-unit power receiving system, the control of shorting and opening of the relay 11 is not performed.
  • Step ST102 If the communication from the outdoor-unit-side communication circuit 10 to the indoor-unit-side communication circuit 9 is not performed normally (No in Step ST102), a count is made of the number of times the communication from the outdoor-unit-side communication circuit 10 to the indoor-unit-side communication circuit 9 is not performed normally from when the power starts to be supplied to the indoor-unit-side control board 3 (the number of times the communication fails), and it is determined whether the number of times the communication fails exceeds a predetermined number of times (n times in this example) (Step ST104). If the number of times the communication fails does not exceed the predetermined number of times (n times in this example) (No in Step ST104), the process returns to Step ST102.
  • Step ST104 If the number of times the communication fails exceeds the predetermined number of times (n times in this example) (Yes in Step ST104), it is determined that the air conditioner is operated under the indoor-unit power receiving system (Step ST105) and the air conditioner transitions to an operational standby state (Step ST106).
  • Step ST104 it is possible to count the elapsed time (communication failure elapsed time) from when the power starts to be supplied to the indoor-unit-side control board 3 instead of using the method of counting the number of times the communication fails from when the power starts to be supplied to the indoor-unit-side control board 3 and then to determine whether the communication failure elapsed time exceeds a predetermined time (x seconds in this example).
  • a predetermined time x seconds in this example
  • Step ST104 it is satisfactory that if the communication failure elapsed time does not exceed the predetermined time (x seconds in this example) (No in Step ST104), the process returns to Step ST102, and, if the communication failure elapsed time exceeds the predetermined time (x seconds in this example) (Yes in Step ST104), it is determined that the air conditioner is operated under the indoor-unit power receiving system (Step ST105) and the air conditioner transitions to an operational standby state (Step ST106).
  • the following method may also be used. Specifically, both the number of times the communication fails and the communication failure elapsed time are counted and it is determined whether any one of them exceeds a predetermined value.
  • Step ST104 If the number of times the communication fails or the communication failure elapsed time does not exceed the predetermined value (n times or x seconds) (No in Step ST104), the process returns to Step ST102. If the number of times the communication fails or the communication failure elapsed time exceeds the predetermined value (n times or x seconds) (Yes in Step ST104), it is determined that the air conditioner is operated under the indoor-unit power receiving system (Step ST105) and the air conditioner transitions to an operational standby state (Step ST106).
  • the indoor-unit-side power-supply control circuit 7 determines whether communication between the indoor-unit-side communication circuit 9 and the outdoor-unit-side communication circuit 10 is performed normally (Step ST108).
  • a method of determining whether communication between the indoor-unit-side communication circuit 9 and the outdoor-unit-side communication circuit 10 is performed normally for example, it is satisfactory to determine whether the indoor-unit-side communication circuit 9 receives a response signal from the outdoor-unit-side communication circuit 10 in response to the signal transmitted from the indoor-unit-side communication circuit 9.
  • the method of determining whether communication between the indoor-unit-side communication circuit 9 and the outdoor-unit-side communication circuit 10 is performed normally does not limit the present invention.
  • Step ST108 If the communication between the indoor-unit-side communication circuit 9 and the outdoor-unit-side communication circuit 10 is performed normally (Yes in Step ST108), a normal control in the case of the indoor-unit power receiving system is performed, for example, the operation of the air conditioner is started (Step ST109) and the power-receiving-system determination flow ends.
  • Step ST108 If the communication between the indoor-unit-side communication circuit 9 and the outdoor-unit-side communication circuit 10 is not performed normally (No in Step ST108), a count is made of the number of times the communication between the indoor-unit-side communication circuit 9 and the outdoor-unit-side communication circuit 10 is not performed normally from when the power starts to be supplied to the outdoor-unit-side control board 4 (number of times the communication fails), and it is determined whether the number of times the communication fails exceeds a predetermined number of times (m times in this example) (Step ST110). If the number of times the communication fails does not exceed the predetermined number of times (m times in this example) (No in Step ST110), the process returns to Step ST108.
  • the indoor-unit-side power-supply control circuit 7 determines that a communication error has occurred, opens (OFF) the relay 11 to stop the supply of power to the outdoor unit 2, and performs an abnormal-time control of announcing the occurrence of a communication error by performing a process of, for example, indicating an abnormality on a display (not illustrated) or making a warning sound (Step ST111), and the power-receiving-system determination flow ends.
  • Step ST110 it is possible to count the elapsed time (communication failure elapsed time) from when the power starts to be supplied to the outdoor-unit-side control board 4 instead of using the method of counting the number of times the communication fails from when the power starts to be supplied to the outdoor-unit-side control board 4 and then to determine whether the communication failure elapsed time exceeds a predetermined time (y seconds in this example).
  • a predetermined time y seconds in this example
  • Step ST110 it is satisfactory that if the communication failure elapsed time does not exceed the predetermined time (y seconds in this example) (No in Step ST110), the process returns to Step ST108, and, if the communication failure elapsed time exceeds the predetermined time (y seconds in this example) (Yes in Step ST110), it is determined that a communication error has occurred, and the supply of power to the outdoor unit 2 is stopped by opening (OFF) the relay 11 and an abnormal-time control as described above is performed (Step ST111).
  • the following method may also be used. Specifically, both the number of times the communication fails and the communication failure elapsed time are counted and it is determined whether any one of them exceeds a predetermined value.
  • Step ST110 If the number of times the communication fails or the communication failure elapsed time does not exceed the predetermined value (m times or y seconds) (No in Step ST110), the process returns to Step ST108. If the number of times the communication fails or the communication failure elapsed time exceeds the predetermined value (m times or y seconds) (Yes in Step ST110), it is determined that a communication error has occurred, and the supply of power to the outdoor unit 2 is stopped by opening (OFF) the relay 11 and an abnormal-time control as described above is performed (Step ST111).
  • the indoor-unit-side control board when the indoor-unit-side control board starts to receive power, it is determined whether communication from the outdoor-unit-side communication circuit to the indoor-unit-side communication circuit is performed normally. If the communication from the outdoor-unit-side communication circuit to the indoor-unit-side communication circuit is performed normally, power-supply control is performed on the assumption that the air conditioner is operated under the outdoor-unit power receiving system. If the communication from the outdoor-unit-side communication circuit to the indoor-unit-side communication circuit is not performed normally, power-supply control is performed on the assumption that the air conditioner is operated under the indoor-unit power receiving system.
  • the air conditioner can use both the indoor-unit power receiving system and the outdoor-unit power receiving system with the same indoor-unit-side control board; therefore, it is not necessary to develop an indoor-unit-side control board or software for controlling the indoor-unit-side control board for each of the indoor power receiving type and the outdoor power receiving type.
  • the development cost can be reduced and the development period can be shortened.
  • an effect is obtained where it is possible to automatically switch between the indoor-unit power receiving system and the outdoor-unit power receiving system in accordance with the situation when the product is installed without requiring components for setting whether the air conditioner is the indoor power receiving type or the outdoor power receiving type and without requiring a setting operation when the product is shipped or when the product is installed and thus the handling cost when the product is manufactured or after the product is shipped, and the component cost and component mounting cost can be reduced.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Air Conditioning Control Device (AREA)

Claims (11)

  1. Klimaanlage, die eine Inneneinheit (1), eine Außeneinheit (2), eine Stromleitung (13) und eine Kommunikationsleitung (15) umfasst und entweder mit einem Inneneinheit-Stromaufnahmesystem, in dem eine Netzstromversorgung (12), die der Inneneinheit (1) zugeführt wird, der Außeneinheit (2) über die Stromleitung (13) zugeführt wird, oder mit einem Außeneinheit-Stromaufnahmesystem, in dem die Netzstromversorgung (12), die der Außeneinheit (2) zugeführt wird, der Inneneinheit (1) über die Stromleitung (13) zugeführt wird, betrieben werden kann,
    wobei die Inneneinheit (1) einen Inneneinheit-seitigen Kommunikationsschaltkreis (9) umfasst, der zum Durchführen einer vorgegebenen Kommunikation mit der Außeneinheit (2) mittels der Kommunikationsleitung (15) ausgebildet ist,
    wobei die Klimaanlage dadurch gekennzeichnet ist, dass die Inneneinheit (1) ferner umfasst:
    ein Relais (11), das so ausgebildet ist, dass es die Zuführung der Netzstromversorgung (12) zu der Außeneinheit (2) über die Stromleitung (13) stoppen kann, wenn die Klimaanlage mit dem Inneneinheit-Stromaufnahmesystem betrieben wird, und
    einen Inneneinheit-seitigen Stromversorgungssteuerschaltkreis (7), der zum Steuern des Kurzschließens und Öffnens des Relais (11) und zum Bestimmen, wann der Strom durch die Inneneinheit (1) aufgenommen wird, ausgebildet ist, wobei bezüglich dessen, ob eine Kommunikation mit der Außeneinheit (2) durch den Inneneinheit-seitigen Kommunikationsschaltkreis (9) möglich ist, während das Relais (11) offen ist, der Inneneinheit-seitige Stromversorgungssteuerschaltkreis (7), wenn die Kommunikation möglich ist, ferner ausgebildet ist zum Bestimmen, dass die Klimaanlage mit dem Außeneinheit-Stromaufnahmesystem betrieben wird, und zum Durchführen einer entsprechenden Stromversorgungssteuerung, und, wenn die Kommunikation nicht möglich ist, zum Bestimmen, dass die Klimaanlage mit dem Inneneinheit-Stromaufnahmesystem betrieben wird, und zum Durchführen einer entsprechenden Stromversorgungssteuerung.
  2. Klimaanlage nach Anspruch 1, bei welcher der Inneneinheit-seitige Stromversorgungssteuerschaltkreis (7) zum Zählen der Anzahl, wie häufig eine Kommunikation durch den Inneneinheit-seitigen Kommunikationsschaltkreis (9) ab dem Zeitpunkt, wenn die Stromaufnahme durch die Inneneinheit (1) beginnt, fehlschlägt, und, wenn die Anzahl, wie häufig die Kommunikation fehlschlägt, eine vorgegebene Anzahl übersteigt, zum Bestimmen, dass die Kommunikation mit der Außeneinheit (2) nicht möglich ist, ausgebildet ist.
  3. Klimaanlage nach Anspruch 1 oder 2, bei welcher der Inneneinheit-seitige Stromversorgungssteuerschaltkreis (7) zum Zählen der vergangenen Zeit des Kommunikationsversagens, während der die Kommunikation durch den Inneneinheit-seitigen Kommunikationsschaltkreis (9) fehlschlägt, ab dem Zeitpunkt, wenn die Stromaufnahme durch die Inneneinheit (1) beginnt, und, wenn die Zeit des Kommunikationsversagens eine vorgegebene Zeit übersteigt, zum Bestimmen, dass die Kommunikation mit der Außeneinheit (2) nicht möglich ist, ausgebildet ist.
  4. Klimaanlage nach einem der Ansprüche 1 bis 3, bei der
    die Inneneinheit (1)
    ein Paar von Netzstromversorgung-Eingangspfaden (24, 25), mit denen die Netzstromversorgung (12) verbunden ist, wenn sie mit dem Inneneinheit-Stromaufnahmesystem betrieben wird, und mit denen die Netzstromversorgung (12) mittels der Außeneinheit (2) versorgt wird, wenn sie mit dem Inneneinheit-Stromaufnahmesystem betrieben wird, und
    ein Paar von Netzstromversorgung-Ausgangspfaden (21, 22) umfasst, welche die Netzstromversorgung (12), die mit den Netzstromversorgung-Eingangspfaden (24, 25) verbunden ist, der Außeneinheit (2) mittels des Relais (11) zuführen, wenn sie mit dem Inneneinheit-Stromaufnahmesystem betrieben wird,
    und in einem Fall, bei dem die Klimaanlage mit dem Inneneinheit-Stromaufnahmesystem betrieben wird, der Inneneinheit-seitige Stromversorgungssteuerschaltkreis (7) weiter so ausgebildet ist, dass dann, wenn sich die Klimaanlage im Bereitschaftsbetrieb befindet, das Zuführen von Strom zu der Außeneinheit (2) durch Öffnen des Relais (11) gestoppt wird.
  5. Klimaanlage nach Anspruch 4, bei welcher der Inneneinheit-seitige Stromversorgungssteuerschaltkreis (7) ferner ausgebildet ist, nachdem bestimmt worden ist, dass die Klimaanlage mit dem Inneneinheit-Stromaufnahmesystem betrieben wird, und nachdem mit dem Zuführen von Strom zu der Außeneinheit (2) durch Kurzschließen des Relais (11) begonnen worden ist, wenn mit einem Betrieb begonnen wird, zum Bestimmen, ob eine Kommunikation mit der Außeneinheit (2) durch den Inneneinheit-seitigen Kommunikationsschaltkreis (9) möglich ist, wobei der Inneneinheit-seitige Stromversorgungssteuerschaltkreis (7) ferner ausgebildet ist, wenn die Kommunikation möglich ist, zum Durchführen einer normalen Steuerung, und wenn die Kommunikation nicht möglich ist, zum Stoppen des Zuführens von Strom zu der Außeneinheit (2) durch Öffnen des Relais (11) und Durchführen einer anomale Zeit-Steuerung des Ankündigens eines Auftretens eines Kommunikationsfehlers.
  6. Klimaanlage nach Anspruch 5, bei welcher der Inneneinheit-seitige Stromversorgungssteuerschaltkreis (7) zum Zählen der Anzahl, wie häufig eine Kommunikation durch den Inneneinheit-seitigen Kommunikationsschaltkreis (9) ab dem Zeitpunkt, wenn die Stromaufnahme durch die Außeneinheit (2) beginnt, fehlschlägt, und, wenn die Anzahl, wie häufig die Kommunikation fehlschlägt, eine vorgegebene Anzahl übersteigt, zum Bestimmen, dass die Kommunikation mit der Außeneinheit nicht möglich ist, ausgebildet ist.
  7. Klimaanlage nach Anspruch 5 oder 6, bei welcher der Inneneinheit-seitige Stromversorgungssteuerschaltkreis (7) zum Zählen der vergangenen Zeit des Kommunikationsversagens, während der die Kommunikation durch den Kommunikationsschaltkreis (9) fehlschlägt, ab dem Zeitpunkt, wenn die Stromaufnahme durch die Außeneinheit (2) beginnt, und, wenn die Zeit des Kommunikationsversagens eine vorgegebene Zeit übersteigt, zum Bestimmen, dass die Kommunikation mit der Außeneinheit nicht möglich ist, ausgebildet ist.
  8. Klimaanlage nach einem der Ansprüche 1 bis 7, bei der die Inneneinheit (1) eine Inneneinheit-seitige Steuertafel (3) und einen Inneneinheit-seitigen Anschlussblock (5) umfasst,
    wobei die Inneneinheit-seitige Steuertafel (3) umfasst:
    den Inneneinheit-seitigen Stromversorgungssteuerschaltkreis (7),
    den Inneneinheit-seitigen Kommunikationsschaltkreis (9) und
    das Relay (11),
    wobei der Inneneinheit-seitige Anschlussblock (5) umfasst:
    einen ersten Anschluss (21), der mit einem Stromversorgungseingangsanschluss der ungeerdeten Seite des Inneneinheit-seitigen Stromversorgungssteuerschaltkreises (7) mittels des Relais (11) verbunden ist,
    einen zweiten Anschluss (22), der mit einem Stromversorgungseingangsanschluss der geerdeten Seite des Inneneinheit-seitigen Stromversorgungssteuerschaltkreises (7) verbunden ist,
    einen dritten Anschluss (23), der mit dem Stromversorgungseingangsanschluss der geerdeten Seite des Inneneinheit-seitigen Stromversorgungssteuerschaltkreises (7) mittels des Inneneinheit-seitigen Kommunikationsschaltkreises (9) verbunden ist,
    einen vierten Anschluss (24), der mit dem Stromversorgungseingangsanschluss der ungeerdeten Seite des Inneneinheit-seitigen Stromversorgungssteuerschaltkreises (7) verbunden ist, und
    einen fünften Anschluss (25), der mit dem zweiten Anschluss (22) verbunden ist.
  9. Klimaanlage nach einem der Ansprüche 1 bis 8, bei der die Außeneinheit (2) eine Außeneinheit-seitige Steuertafel (4) und einen Außeneinheit-seitigen Anschlussblock (6) umfasst,
    wobei die Außeneinheit-seitige Steuertafel (4) umfasst:
    einen Außeneinheit-seitigen Stromversorgungssteuerschaltkreis (8) und
    einen Außeneinheit-seitigen Kommunikationsschaltkreis (10),
    wobei der Außeneinheit-seitige Anschlussblock (6) umfasst:
    einen sechsten Anschluss (26), der mit einem Stromversorgungseingangsanschluss der ungeerdeten Seite des Außeneinheit-seitigen Stromversorgungssteuerschaltkreises (8) verbunden ist,
    einen siebten Anschluss (27), der mit einem Stromversorgungseingangsanschluss der geerdeten Seite des Außeneinheit-seitigen Stromversorgungssteuerschaltkreises (8) verbunden ist,
    einen achten Anschluss (28), der mit dem Stromversorgungseingangsanschluss der geerdeten Seite des Außeneinheit-seitigen Stromversorgungssteuerschaltkreises (8) mittels des Außeneinheit-seitigen Kommunikationsschaltkreises (10) verbunden ist,
    einen neunten Anschluss (29), der mit dem sechsten Anschluss (26) verbunden ist, und
    einen zehnten Anschluss (30), der mit dem siebten Anschluss (27) verbunden ist.
  10. Klimaanlage nach Anspruch 8 und 9, die ferner eine gemeinsame Stromversorgungs- und Kommunikationsleitung (14) umfasst und bei der, wenn sie mit dem Inneneinheit-Stromaufnahmesystem betrieben wird, die Netzstromversorgung (12) zwischen dem vierten Anschluss (24) und dem fünften Anschluss (25) angeschlossen ist, der erste Anschluss (21) und der sechste Anschluss (26) durch die Stromleitung (13) verbunden sind, der zweite Anschluss (22) und der siebte Anschluss (27) mit der gemeinsamen Stromversorgungs- und Kommunikationsleitung (14) verbunden sind, und der dritte Anschluss (23) und der achte Anschluss (28) durch die Kommunikationsleitung (15) verbunden sind, und, wenn sie mit dem Außeneinheit-Stromaufnahmesystem betrieben wird, die Netzstromversorgung (12) zwischen dem sechsten Anschluss (26) und dem siebten Anschluss (27) angeschlossen ist, der vierte Anschluss (24) und der neunte Anschluss (29) durch die Stromleitung (13) verbunden sind, der fünfte Anschluss (25) und der zehnte Anschluss (30) mit der gemeinsamen Stromversorgungs- und Kommunikationsleitung (14) verbunden sind, und der dritte Anschluss (23) und der achte Anschluss (28) durch die Kommunikationsleitung (15) verbunden sind.
  11. Klimaanlage nach einem der Ansprüche 1 bis 10, bei welcher der Inneneinheit-seitige Stromversorgungssteuerschaltkreises (7) ausgebildet ist, wenn eine Stromversorgungssteuerung unter der Annahme durchgeführt wird, dass die Klimaanlage mit dem Außeneinheit-Stromaufnahmesystem betrieben wird, die Steuerung des Kurzschließens und Öffnens des Relais (11) nicht durchzuführen, und, wenn eine Stromversorgungssteuerung unter der Annahme durchgeführt wird, dass die Klimaanlage mit dem Inneneinheit-Stromaufnahmesystem betrieben wird, das Relais (11) kurzzuschließen, wenn die Klimaanlage ein Betriebsbeginnsignal erhält, und das Relais (11) zu öffnen, wenn die Klimaanlage ein Betriebstoppsignal erhält.
EP13191572.0A 2012-12-20 2013-11-05 Klimaanlage Active EP2746687B1 (de)

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JP5769692B2 (ja) * 2012-12-20 2015-08-26 三菱電機株式会社 空気調和機
CN104850023B (zh) * 2015-05-12 2017-07-28 广东美的制冷设备有限公司 空调器及其室外机的电流环通信与供电控制电路和方法
JP2020165315A (ja) * 2019-03-28 2020-10-08 三菱重工サーマルシステムズ株式会社 空調機制御装置、これを備える空調機、空調機の制御方法および空調機の制御プログラム
CN112032981B (zh) * 2020-07-24 2021-10-22 广东积微科技有限公司 空调室内外机通讯电路及空调
CN111895499A (zh) * 2020-08-14 2020-11-06 珠海格力电器股份有限公司 空调系统、空调器及空调系统的控制方法
CN111811040A (zh) * 2020-08-14 2020-10-23 珠海格力电器股份有限公司 空调系统及空调系统的控制方法

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