Classifications

• • 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
  • F24F11/63—Electronic processing
  • F24F11/65—Electronic processing for selecting an operating mode
• • 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
  • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
  • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
  • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
  • F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
• • 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
  • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
  • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
  • F24F11/79—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling the direction of the supplied air
• • 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
  • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
  • F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
  • F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
  • F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
• • 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
  • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
  • F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
  • F24F11/87—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling absorption or discharge of heat in outdoor units
  • F24F11/871—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling absorption or discharge of heat in outdoor units by controlling outdoor fans
• • 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
• • G—PHYSICS
  • G05—CONTROLLING; REGULATING
  • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
  • G05D23/00—Control of temperature
  • G05D23/19—Control of temperature characterised by the use of electric means
  • G05D23/1902—Control of temperature characterised by the use of electric means characterised by the use of a variable reference value
• • 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
  • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
  • F24F11/32—Responding to malfunctions or emergencies
  • F24F11/38—Failure diagnosis
• • 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
  • F24F11/41—Defrosting; Preventing freezing
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F24—HEATING; RANGES; VENTILATING
  • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
  • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
  • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
  • F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
  • F24F2003/144—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by dehumidification only
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F24—HEATING; RANGES; VENTILATING
  • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
  • F24F2110/00—Control inputs relating to air properties
  • F24F2110/10—Temperature
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F24—HEATING; RANGES; VENTILATING
  • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
  • F24F2110/00—Control inputs relating to air properties
  • F24F2110/10—Temperature
  • F24F2110/12—Temperature of the outside air
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F24—HEATING; RANGES; VENTILATING
  • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
  • F24F2130/00—Control inputs relating to environmental factors not covered by group F24F2110/00
  • F24F2130/10—Weather information or forecasts
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F24—HEATING; RANGES; VENTILATING
  • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
  • F24F2140/00—Control inputs relating to system states
  • F24F2140/50—Load

Definitions

• the present invention relates to automatic setting of an operation mode of an air conditioner capable of performing a cooling operation, a heating operation, a dehumidification or a dry operation.
• a plurality of temperature zones A to L are set vertically and horizontally using a plurality of room temperature setting values and a plurality of outside air temperature setting values, for example, a temperature zone A is set as a heating operation setting zone, Temperature zones K, G, and H are used as dehumidifying operation setting zones, temperature zone L is used as cooling operation setting zone, and other zones are monitored (detecting room temperature at regular intervals). Judgment was made whether the temperature and temperature were both in the zone, and the operation mode was automatically selected.
• the one described in Japanese Patent Application Laid-Open No. 63-364344 is one in which four seasons are determined using room temperature and date information. Usually, the four seasons are determined based on the date information, and in the “fluctuating period” that meets the conditions of multiple seasons, the seasons are determined by examining the maximum and minimum temperatures in one day.
• the present invention provides an operation mode setting device capable of setting an optimum temperature zone even in the intermediate period.
• An operation mode setting device is an operation mode setting device for an air conditioner that automatically sets any one of a cooling mode, a heating mode, and a dehumidifying mode having a dehumidifying effect.
• a zone setting section that determines a plurality of temperature zones from a plurality of room temperature setting values and a plurality of outside temperature setting values, and a zone that sets a cooling mode and a cooling mode for each zone, and a dehumidification zone
• the first zone distribution section that divides the zone into the mode setting zone and other zones, and the zone that sets the other zones to one of the cooling mode, heating mode, and dehumidification mode based on the date
• a second zone distributing section which detects the room temperature and the outside air temperature and automatically sets the operation mode.
• a plurality of room temperature setting values and a plurality of outside temperature setting (A zone setting section that sets multiple temperature zones from the beginning, and a first section that divides each zone into a zone for setting cooling operation, a zone for setting heating operation, and other zones.
• the zone distribution unit and other zones are divided into multiple zones based on the outside temperature, and each of the divided zones is either cooling operation, heating operation, or dehumidification operation according to
• a second zone distributing section is provided for dividing the zone into zones for setting the operating temperature and detecting the room temperature and the outside air temperature and automatically setting the operation mode.
• the operation mode setting device configured as described above changes the operation mode of some temperature zones based on a calendar date.
• FIG. 1 is a main block diagram showing an electric circuit of an air conditioner showing an embodiment of the present invention.
• FIG. 2 is a flowchart showing main operations of the air conditioner shown in FIG.
• Fig. 3 is a diagram showing temperature zones based on room temperature and outside temperature.
• Fig. 4 is a diagram showing the operation when setting the operation mode.
• Fig. 1 shows a separate air conditioner consisting of an indoor unit and an outdoor unit. It is an electric circuit diagram of a Japanese-style machine.
• 1 is a commercial AC power supply of: I 0 ⁇ [V], which supplies AC power to the indoor unit and the outdoor unit.
• a varistor 2 absorbs surge voltage.
• Numeral 3 is a coil and numeral 4 is a choke coil. .
• Reference numeral 5 denotes a diode bridge, which rectifies a single-digit commercial AC in a full-wave manner and outputs it to an inverter bridge 6. At this time, the AC voltage having an effective value of 100 [V] is converted into a DC voltage of about 280 [V] by the voltage doubler rectifier circuit 7 and then supplied to the inverter bridge 6.
• This invertable bridge is composed of six switching elements connected in a three-phase bridge. Is output.
• Reference numeral 9 denotes a DC detection circuit, which converts a detected DC current (DC) into a DC voltage and applies it to an AZD (analog Z digital) input port of the microprocessor 1].
• the microprocessor 11 detects the frequency of the pseudo sine wave supplied to the compressor so that the current detected by the current detection circuit 9 does not exceed a predetermined current.
• Reference numeral 12 denotes a temperature sensor which detects the temperature of the compressor 8.
• the microprocessor 11 detects the frequency of the pseudo sine wave input through the temperature detection circuit 31 and supplied to the compressor so that the temperature does not exceed the predetermined temperature as described above.
• 13 is an interface between the microprocessor of the indoor unit and the microprocessor of the outdoor unit. --Sends and receives data. From the indoor unit, an operation signal of a cooling operation, a heating operation, a dehumidification operation, a signal for determining a frequency of a three-phase pseudo sine wave supplied to the compressor 8, and the like are sent. In addition, it transmits the temperature data detected by the outside air temperature sensor 19 and data indicating an abnormality at the time of occurrence of an abnormality to the indoor unit.
• Reference numeral 14 denotes a signal spreading circuit, which spreads the power of the 0 N 0 F F signal output from the microprocessor 11 to a size that can drive the switching element of the inverter 6.
• the switching signal based on the PWM theory is a signal generated by the microprocessor 11 based on the frequency signal.
• Reference numerals 15 and 16 denote relay joints and photo traffic, respectively.
• Is controlled by 17 is a four-way valve, and 18 is a blower for the outdoor heat exchanger ffl.
• the refrigerant cycle can be switched between the cooling cycle for cooling operation) and the refrigerant cycle for heating operation.
• the number of revolutions of the blower is changed by changing the outside air temperature, and the method is performed by changing the firing angle of the photo triac.
• the microprocessor 20 transmits and receives the above-described data to and from the microprocessor 1] via the interface 21.
• Reference numeral 22 denotes a normally open contact piece, and its opening / closing operation is controlled by a relay 23.
• Microprocessor 2 [] supplies electricity to relay 23 and closes contact piece 22 to supply power to the outdoor unit when performing air-conditioning operation.
• contact piece 2 At the same time, the interface 21 interrupts the transmission and reception of the signal at the same time so that the signal does not go to the outdoor unit.
• the microprocessor 20 calculates an increase / decrease value of the frequency of the pseudo sine wave supplied to the compressor 8 based on the temperature detected by the room temperature sensor 24 and the desired temperature, and transmits a new frequency signal to the outdoor unit.
• PID control and fuzzy control As a method of obtaining the increase / decrease value of the frequency, there is PID control and fuzzy control.
• This operation data is transmitted from the remote control as a wireless signal when the remote control is flickering and received by this input circuit.
• Reference numerals 26 and 27 denote fans for blowing air and a motor for driving a flap for changing the wind direction, which are controlled by motor controllers 28 and 29.
• Reference numeral 30 denotes a power supply circuit, which supplies DC power to the indoor unit.
• the microprocessor 2'0 controls the rotation speed of the fan motor 26 and the rotation angle of the flap drive motor, and internally configures a clock and a calendar in a program. Each time the clock measures a day, the date advances by one day. Therefore, if an initial value is set when the power is turned on, it can be used as a clock and force renderer.
• FIG. 2 is a flowchart showing main operations of the air conditioner configured as described above.
• step S When the operation of the air conditioner is started in step S], data is received in step S2.
• step S2 (1)-outdoor air temperature data from the outdoor unit, frequency data driving the compressor 8, defrosting data, data indicating the type of abnormality when an abnormality occurs in the outdoor unit, and other data.
• step S2 When using a wireless remote control, if it receives a signal transmitted from the remote control, it takes in the signal.
• step S3 it is determined whether or not the operation mode needs to be set (or changed).
• the operation mode is set in step S4. If it becomes "necessary" in step S3, when the operation mode is automatically selected by the switch or the like, when the operation starts for the first time, after the operation has been stopped for more than 2 hours, When the operation starts (operation mode change), when operation is performed by remote control (HA input), when the setting changes from manual operation mode setting to automatic operation mode setting, etc. .
• step S5 a frequency value to be transmitted to the outdoor unit is calculated from the room temperature and the desired temperature. If an abnormal condition of the air conditioner is determined in step S6, the countermeasure is taken.
• step S7 the indoor unit is set, that is, the rotation speed of the fan motor 26 / the rotation angle of the flap driving motor 27 is determined.
• step S8 data is transmitted to the outdoor unit. That is, it transmits operation mode data (cooling operation, heating operation, dehumidification operation) for controlling 0 NZ 0FF of the four-way valve 17, frequency data of a pseudo sine wave supplied to the compressor 8, and the like.
• FIG. 3 is an explanatory view showing a temperature zone used when determining the operation mode in step S4.
• a plurality of temperature zones are set using a plurality of room temperature set values TR 1 and TR 2 and a plurality of outside temperature set values. These temperature zones are set in the virtual space by the zone setting program (zone setting unit) of the micro processor 20.
• zones Z [) to Z5 are zone distribution programs (second zone distribution units) that operate based on the date (a day and time of day and month stored and accumulated by the microprocessor 20).
• Zone for setting the cooling operation, zone for setting the heating operation, and operation with dehumidification effect (dehumidification operation with reheater, dry operation for simple dehumidification by intermittent operation of indoor fans) Is redistributed to one of the zones that set up such as: For example, if the statement stored in the microprocessor 20 is 1 from May to 1 ⁇ month, the zone Z0 to Z5 is set as the zone where dry operation is set, and 2 1 the zone is from January to April. Let Z 0 and Z 1 be the zones where dry operation is set, and
• Zones 2 to Z5 are the zones for setting the heating operation. .
• FIG. 4 is a specific flowchart for setting the operation mode using the temperature zone shown in FIG.
• the room temperature is the temperature detected by the room temperature sensor 24
• the outside air temperature is the temperature detected by the outside air temperature sensor 19 of the outdoor unit
• the outside air temperature is the power of the microprocessor 11 Sent to Microprocessor 20.
• steps S42 to S44 it is determined which temperature zone the room temperature and the outside air temperature belong to, and when it belongs to zone C, the cooling operation is set in step S48, and If it belongs to zone H, the heating operation is set in step S46. If it belongs to zones ZO and Z1, the dry operation is set in step S47. If it belongs to the remaining zone, it is determined in step S45 whether the date is between May and October, and if the date is between May and 1Q, step S4 The dry operation is set in step 7, and the heating stand is set in step S46 when the date is between January and April.
• the distribution of the zones Z0 to Z5 and the setting of the date are not limited to the above embodiment.
• one year is divided into six periods of winter, spring, rainy season, summer, autumn and early winter, and zones Z0 to Z5 are set for each season so that the optimal temperature zone can be obtained according to each season. You can change it.
• the date used for setting the operation mode is calculated by the microprocessor 20 of the indoor unit, and the stored force and this date and time are calculated and stored by the remote control. And indoor unit It may be transmitted to. At this time, the date data can be displayed on the remote control.
• a plurality of temperature zones are set using a plurality of room temperature setting values and a plurality of outside temperature setting values.
• the setting of the cooling operation and the setting of the dehumidifying operation are performed depending on whether they belong to the same cycle, and the temperature zone that changes the operation mode to be set according to the date (month and day) is provided.
• the tendency of the setting of the operation mode using the temperature zone can be set to be closer to the cooling operation or the closer to the heating operation according to the date. Therefore, the temperature zone can be automatically changed in accordance with the human experience, such as heating in spring and cooling in autumn, so that the optimal operation mode can be set throughout the year.

Landscapes

• Engineering & Computer Science (AREA)
• General Engineering & Computer Science (AREA)
• Chemical & Material Sciences (AREA)
• Combustion & Propulsion (AREA)
• Mechanical Engineering (AREA)
• Physics & Mathematics (AREA)
• Signal Processing (AREA)
• Human Computer Interaction (AREA)
• Fluid Mechanics (AREA)
• Thermal Sciences (AREA)
• Fuzzy Systems (AREA)
• Mathematical Physics (AREA)
• General Physics & Mathematics (AREA)
• Automation & Control Theory (AREA)
• Air Conditioning Control Device (AREA)

Priority Applications (6)

Applications Claiming Priority (2)

Publications (1)

Family

ID=17105993

Family Applications (1)

Country Status (11)

Families Citing this family (24)

Citations (4)

Family Cites Families (9)

• 1991
  • 1991-09-24 JP JP03243584A patent/JP3123783B2/ja not_active Expired - Fee Related
• 1992
  • 1992-09-01 TW TW081106927A patent/TW219970B/zh active
  • 1992-09-10 WO PCT/JP1992/001155 patent/WO1993006420A1/ja not_active Ceased
  • 1992-09-10 SG SG1996001009A patent/SG48735A1/en unknown
  • 1992-09-10 BR BR9205408A patent/BR9205408A/pt not_active IP Right Cessation
  • 1992-09-10 KR KR1019930701523A patent/KR970001289B1/ko not_active Expired - Fee Related
  • 1992-09-10 DE DE69215209T patent/DE69215209T2/de not_active Expired - Fee Related
  • 1992-09-10 US US08/030,475 patent/US5400852A/en not_active Expired - Lifetime
  • 1992-09-10 EP EP92919535A patent/EP0559905B1/en not_active Expired - Lifetime
  • 1992-09-10 CA CA002095144A patent/CA2095144C/en not_active Expired - Fee Related
  • 1992-09-24 CN CN92112068A patent/CN1073224C/zh not_active Expired - Fee Related

Patent Citations (4)

Non-Patent Citations (1)

Also Published As

Similar Documents

Legal Events