EP0466431B2 - Klimagerätregeleinrichtung - Google Patents

Klimagerätregeleinrichtung Download PDF

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Publication number
EP0466431B2
EP0466431B2 EP91306170A EP91306170A EP0466431B2 EP 0466431 B2 EP0466431 B2 EP 0466431B2 EP 91306170 A EP91306170 A EP 91306170A EP 91306170 A EP91306170 A EP 91306170A EP 0466431 B2 EP0466431 B2 EP 0466431B2
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EP
European Patent Office
Prior art keywords
auxiliary heating
air
air conditioner
heating elements
temperatures
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
EP91306170A
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English (en)
French (fr)
Other versions
EP0466431A1 (de
EP0466431B1 (de
Inventor
Takahiro Misubishi Denki K.K. Murayama
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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
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Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of EP0466431A1 publication Critical patent/EP0466431A1/de
Publication of EP0466431B1 publication Critical patent/EP0466431B1/de
Application granted granted Critical
Publication of EP0466431B2 publication Critical patent/EP0466431B2/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
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
    • F24F1/0057—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in or on a wall
    • 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
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/009—Indoor units, e.g. fan coil units characterised by heating arrangements
    • F24F1/0093—Indoor units, e.g. fan coil units characterised by heating arrangements with additional radiant heat-discharging elements, e.g. electric heaters
    • 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
    • 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
    • F24F11/875—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling heat-storage apparatus
    • 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
    • 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
    • F24F2221/00—Details or features not otherwise provided for
    • F24F2221/54—Heating and cooling, simultaneously or alternatively

Definitions

  • the present invention relates to a controller which is capable of preventing a user from being cooled too much when an air conditioner is under cooling mode, in particular while he or she is asleep.
  • reference numeral 1 designates a compressor.
  • Reference numeral 2 designates a four port reversing valve.
  • Reference numeral 3 designates an outdoor heat exchanger.
  • Reference numeral 4 designates a throttle expansion device.
  • Reference numeral 5 designates an indoor heat exchanger.
  • Reference numeral 6 designates an outdoor fan.
  • Reference numeral 7 designates an indoor fan.
  • Reference numeral 8 designates an auxiliary heater.
  • a thermistor 9 which detects a room temperature, and which is connected to an electrical control circuit 10 together with the auxiliary heater 8.
  • Reference numeral 11 designates a desired temperature input device, through which a desired room temperature can inputted.
  • Reference numerals 12 and 13 designate a user A and a user B, respectively.
  • a high temperature and high pressure refrigerant gas which has been discharged from the compressor 1 passes through the four port reversing valve 2, and enters the outdoor heat exchanger 3.
  • the refrigerant gas is heat exchanged by the outdoor fan 6. Then the refrigerant gas enters the indoor heat exchanger 5 through the throttle expansion device 4, is heat exchanged by the indoor fan 7, flows into the four port reversing valve 2 again, and returns to the compressor 1.
  • Step 20 When the cooling operation is turned on at Step 20, the program proceeds to Step 21, where a desired temperature t 1 is inputted into the electrical control circuit 10 through the desired temperature input device 11.
  • an actual room temperature t 2 is read into the electrical control circuit 10 through the room temperature detecting thermistor 9.
  • Step 23 it is determined whether the inequality t 1 > t 2 is satisfied or not. If affirmative, or if the actual room temperature is the desired room temperature or less (which means that it too cool), the heater 8 is turned on to increase the room temperature at Step 24. If negative, the heater 8 is turned off at Step 25.
  • Step 26 it is determined whether the cooling operation should be continued or not. If affirmative, the program returns to Step 21.
  • An air conditioner which is provided with such auxiliary heater 8 has been known in e.g. Japanese Examined Patent Publication No. 25049/1986.
  • the conventional air conditioner controller constructed as mentioned above, the actual room temperature can be equally maintained.
  • the conventional controller involves a problem in that when there are a plurality of persons in a room to be air conditioned, a desired temperature which is comfortable to one of them may be a temperature which the other person(s) feels cold or uncomfortable. This is because a desired comfortable temperature varies depending on persons.
  • US-A-4543796 describes an air conditioner which comprises: a plurality of heating elements; -desired temperature input means for inputting a desired temperature; and auxiliary heating element control means for separately controlling the auxiliary heating elements based on the desired temperatures which have been inputted in the desired temperature input means.
  • the air conditioning system has a temperature sensor at the air outlet into the room, which ensures that the air discharged into the room can never be excessively cold. This is achieved by overriding the normal control system for the entire volume of air discharged. It is not possible to provide air streams of different temperature selectively during cooling operation.
  • the system can also be operated in a heating mode.
  • auxiliary electric heating elements are provided. These heating elements can be energized selectively in order to provide a desired outlet temperature, but each heating element heats the entire volume of air discharged into the room. It is not possible to produce different discharge air temperatures in different regions of the room.
  • the present invention provides an air conditioner according to claim 1.
  • the plural auxiliary heating elements are separately controlled by the auxiliary heating element control means to feed conditioned air in such manner that the control temperatures of the conditioned air are different from one portion thereof to another, so as to be suitable to the inputted desired temperatures.
  • This arrangement allows different persons in the room to receive their own comfortable air, thereby offering the advantage that comfortable air conditioning can be obtained in such manner that individual persons will not feel too cool during cooling operation.
  • the auxiliary heating elements are arranged to separately heat different portions of conditioned air fed by a fan of the air conditioner.
  • the auxiliary heating elements may be arranged to be opposite to different portions of a fan of the air conditioner.
  • the air conditioner comprises a fan for simultaneously feeding conditioned air, the controlled temperatures of which are different depending on portions thereof.
  • the desired temperature input means is preferably constituted by a plurality of desired temperature input units to separately control the auxiliary heating elements.
  • the auxiliary heating element control means may control the auxiliary heating elements separately one after another.
  • the auxiliary heating element control means further separately controls the auxiliary heating elements based on conditioned air temperatures which are detected by a plurality of temperature sensors located near to an outlet port of the air conditioner.
  • the auxiliary heating element control means may have a separate control mode and a collective control mode, which are selectable by a user, the separate control mode for separately controlling the auxiliary heating elements (as aforesaid, and the collective control mode for collectively controlling the auxiliary heating elements.
  • reference numeral 1 designates a compressor.
  • Reference numeral 2 designates a four port reversing valve.
  • Reference numeral 3 designates an outdoor heat exchanger.
  • Reference numeral 4 designates a throttle expansion device.
  • Reference numeral 5 designates an indoor heat exchanger.
  • Reference numeral 6 designates an outdoor fan.
  • Reference numeral 7 designates an indoor fan.
  • Reference numeral 8 designates auxiliary heating means which heats conditioned air to be blown off from an air conditioner (not shown), and which is divided into two parts across the width of the indoor heat exchanger 5 to form a first auxiliary heating element 8a and a second auxiliary heating element 8b.
  • Reference numeral 9 designates room temperature detecting means which detects room temperatures at locations near to an outlet port (not shown), which is arranged to correspond to the first and second auxiliary heating elements 8a and 8b across the width of the indoor heat exchanger 5, and which is constituted by a first room temperature detecting thermistor 9a and a second room temperature detecting thermistor 9b.
  • Reference numeral 10 designates an electrical control circuit which controls the operation of the air conditioner (not shown), and to which the first and second auxiliary heating elements 8a and 8b, the first room and second temperature detecting thermistors 9a and 9b and the like are connected.
  • Reference numeral 11 designates desired temperature input means through which desired temperatures can be inputted, and which is constituted by a first desired room temperature input unit 11a and a second desired room temperature input unit 11b.
  • the input units can transmit signals indicative of the desired temperatures to the electrical control circuit 10 by use of e.g. remote control system (not shown).
  • Reference numerals 12 and 13 designate a first user and a second user, respectively, who are in a room to be air conditioned.
  • the first user 12 is at the side of the first auxiliary heating element 8a
  • the second user 13 is at the side of the second auxiliary heating element 8b.
  • Reference numeral 14 designates auxiliary heating element control means which can be constituted by a microcomputer(not shown) and soon in the electrical control circuit 10. Based on the desired room temperatures which have been inputted through the input units 11a and 11b, the desired room temperatures are compared to corresponding detection temperatures which are detected by the first and second thermistors 9a and 9b. An on and off control is separately carried out in energisation of the first and second auxiliary heating elements 8a and 8b to adjust the temperatures of conditioned air, thereby to bring the detected room temperatures near the corresponding desired temperatures.
  • the auxiliary heating element control means 14 may carry out a collective control wherein the on and off operations of the auxiliary heating elements (8b, 8b) are collectively controlled.
  • the present invention is applicable to a case wherein the separate control and the collective control can be selected.
  • Step 30 If a cooling operation is turned on at Step 30, the program proceeds to Step 31.
  • Step 31 it is determined whether the users 12 and 13 of the air conditioner have turned on a "separate air conditioning mode" switch (not shown) which means that the auxiliary heating elements are separately controlled. If affirmative, the program proceeds to Step 32, where the first user 12 uses the first input unit 11a to input a desired temperature t 1 a into the auxiliary heating elements control means 14 of the electrical control circuit 10.
  • the second user 13 uses the second input unit 11b to input a desired temperature t 1 b into the auxiliary heating element control means 14 of the electrical control circuit 10.
  • the first and second thermistors 9a and 9b detect actual room temperatures t 2 a and t 2 b, and transmit signals indicative of the detected actual room temperatures to the auxiliary heating element control means 14.
  • the actual room temperature t 2 a is compared to the desired room temperature t 1 a of the first user 12. If t 1 a > t 2 a (which means that it is too cool) the first auxiliary heating element 8a is turned on at Step 35 to increase the temperature of the conditioned air at the side of the first user 12, thereby raising the room temperature at the side of the first user 12.
  • the first auxiliary heating element 8a is turned off to decrease the room temperature at the side of the first user 12, thereby carrying out such temperature control that the first user 12 can obtain a comfortable temperature.
  • Step 40 it is determined whether the operation should be continued or not If affirmative, the program returns to Step 30.
  • the present invention is applicable to the case wherein the location of the first user 12 and the location of the second user 13 with respect to the air conditioner are automatically detected by use of a sensor or the like, and the on and off control is accordingly carried out forthe first and second heating elements 8a and 8b, thereby offering an advantage in that the operation can be made in an easy and precise manner.
  • a finer voltage control for energisation of the auxiliary heating means 8 which has for example a strong mode, an intermediate mode, a weak mode and an off mode, may be done instead of the on and off control.
  • the present invention is applicable to a case wherein during heating as well the auxiliary heating means 8 is used to adjust partly the temperature of heated air, thereby offering an advantage in that heating can be carried out to match with comfortable temperatures of a plurality of users.
  • the auxiliary heating elements can be arranged behind the indoor heat exchanger as shown in Figures 3 and 4.
  • the auxiliary heating elements may be arranged in the outlet port in the air conditioner, as shown in fig 5.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Conditioning Control Device (AREA)
  • Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)

Claims (7)

  1. Raumklimaanlage mit einem Gehäuse, einer Luftkühleinrichtung (5) im Gehäuse, einer Einrichtung (7) zum Ausgeben gekühlter Luft durch eine Auslassöffnung aus dem Gehäuse in den zu klimatisierenden Raum, einer Einrichtung (9, 10, 11) zum Regeln der Temperatur der ausgegebenen Luft, und mit einer im Auslassstrom im Gehäuse angeordneten Hilfsheizeinrichtung (8);
    dadurch gekennzeichnet, dass:
    - die Hilfsheizeinrichtung mehrere unabhängig regelbare zusätzliche Hilfsheizelemente (8a, 8b) aufweist, die so ausgebildet sind, dass sie verschiedene Teile des Luftauslassstroms beheizen, und dass sie eine vom Benutzer betätigbare Solltemperatur-Eingabeeinrichtung (11) zum Eingeben mehrerer gewünschter Temperaturen für die Ausgabeluft aufweist; und
    - eine Hilfsheizelement-Regelungseinrichtung (14) zum getrennten Regeln der Hilfsheizelemente (8a, 8b) auf Grundlage der gewünschten Temperaturen, die in die Solltemperatur-Eingabeeinrichtung (11) eingegeben wurden, vorhanden ist, wodurch die Klimaanlage gleichzeitig durch die Auslassöffnungen Teilluftströme mit verschiedenen Temperaturen ausgeben kann.
  2. Klimaanlage nach Anspruch 1, dadurch gekennzeichnet, dass die Einrichtung zum Ausgeben gekühlter Luft in den Raum ein Lüfter (7) ist und die Hilfsheizelemente (8a, 8b) so angeordnet sind, dass sie verschiedenen Abschnitten des Lüfters (7) gegenüberstehen.
  3. Klimaanlage nach Anspruch 1, dadurch gekennzeichnet, dass die Einrichtung zum Ausgeben gekühlter Luft einen Lüfter (7) zum gleichzeitigen Zuführen klimatisierter Luft aufweist, die bereichsabhängig verschiedene geregelte Temperaturen aufweist.
  4. Klimaanlage nach einem der Ansprüche 1, 2 oder 3, dadurch gekennzeichnet, dass die Solltemperatur-Eingabeeinrichtung (11) durch mehrere Solltemperatur-Eingabeeinheiten (lla, llb) gebildet wird, um die Hilfsheizelemente (8b) getrennt zu regeln.
  5. Klimaanlage nach einem der Ansprüche 1, 2 oder 3, dadurch gekennzeichnet, dass die Hilfsheizelement-Regelungseinrichtung (14) die Hilfsheizelemente (8a, 8b) getrennt nacheinander regelt.
  6. Klimaanlage nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass die Hilfsheizelement-Regelungseinrichtung (14) ferner die Hilfsheizelemente (8a, 8b) getrennt auf Grundlage der Temperaturen der klimatisierten Luft regelt, die durch mehrere Temperatursensoren (9a, 9b) erfasst werden, die nahe bei der Auslassöffnung der Klimaanlage angeordnet sind.
  7. Klimaanlage nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass die Hilfsheizelement-Regelungseinrichtung (14) einen Getrenntregelungsmodus und einen Sammelregelungsmodus aufweist, die von einem Benutzer wählbar sind, wobei der Getrenntregelungsmodus dazu dient, die Hilfsheizelemente (8a, 8b) wie vorstehend genannt getrennt zu regeln, und der Sammelregelungsmodus dazu dient, die Hilfsheizelemente (8a, 8b) gemeinsam zu regeln.
EP91306170A 1990-07-06 1991-07-08 Klimagerätregeleinrichtung Expired - Lifetime EP0466431B2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2178541A JPH0468251A (ja) 1990-07-06 1990-07-06 空気調和機の制御装置
JP178541/90 1990-07-06

Publications (3)

Publication Number Publication Date
EP0466431A1 EP0466431A1 (de) 1992-01-15
EP0466431B1 EP0466431B1 (de) 1994-04-13
EP0466431B2 true EP0466431B2 (de) 1996-11-27

Family

ID=16050284

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91306170A Expired - Lifetime EP0466431B2 (de) 1990-07-06 1991-07-08 Klimagerätregeleinrichtung

Country Status (5)

Country Link
EP (1) EP0466431B2 (de)
JP (1) JPH0468251A (de)
AU (1) AU637509B2 (de)
DE (1) DE69101674T3 (de)
HK (1) HK111994A (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0468251A (ja) * 1990-07-06 1992-03-04 Mitsubishi Electric Corp 空気調和機の制御装置
JPH07117275B2 (ja) * 1991-03-08 1995-12-18 株式会社ノーリツ ドライヤ付空気調和機の制御方法
EP0959308B1 (de) * 1993-11-12 2004-11-03 SANYO ELECTRIC Co., Ltd. Klimaanlage
JPH0979656A (ja) * 1995-09-13 1997-03-28 Matsushita Electric Ind Co Ltd 空気調和機の室内ユニット
AU719205B2 (en) * 1996-08-23 2000-05-04 Mitsubishi Denki Kabushiki Kaisha Air conditioner indoor unit
US5967411A (en) * 1998-01-23 1999-10-19 Carrier Corporation Method and apparatus for controlling supplemental heat in a heat pump system
JP2009198141A (ja) * 2008-02-25 2009-09-03 Nippon Spindle Mfg Co Ltd 熱交換装置
CN110006103B (zh) * 2019-04-01 2023-10-03 广州百立可科技有限公司 一种温湿度调节方法
CN114076394A (zh) * 2020-08-18 2022-02-22 广东美的制冷设备有限公司 空调器的制热控制方法、装置、空调器及存储介质
CN115210509A (zh) * 2021-02-01 2022-10-18 日立江森自控空调有限公司 空调机
CN113623815A (zh) * 2021-07-31 2021-11-09 美的集团武汉制冷设备有限公司 空调器的控制方法、系统、空调器及存储介质

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3224635A1 (de) * 1981-10-23 1983-05-05 Mitsubishi Denki K.K., Tokyo Ventilationsvorrichtung
JPS6091152A (ja) * 1983-10-26 1985-05-22 Hitachi Ltd ヒ−トポンプ式空気調和機
US4543796A (en) * 1984-06-15 1985-10-01 American Standard Inc. Control and method for tempering supply air
KR900003870B1 (ko) * 1986-11-19 1990-06-02 미츠비시 덴키 가부시키가이샤 공기조화기의 송풍 제어장치
US4925089A (en) * 1989-06-30 1990-05-15 Jc Systems, Inc. Environmental response control apparatus and method
JPH0468251A (ja) * 1990-07-06 1992-03-04 Mitsubishi Electric Corp 空気調和機の制御装置

Also Published As

Publication number Publication date
JPH0468251A (ja) 1992-03-04
EP0466431A1 (de) 1992-01-15
EP0466431B1 (de) 1994-04-13
AU637509B2 (en) 1993-05-27
AU7930791A (en) 1992-01-09
DE69101674T3 (de) 1997-04-17
DE69101674D1 (de) 1994-05-19
DE69101674T2 (de) 1994-10-20
HK111994A (en) 1994-10-21

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