WO1998045651A1 - Systeme de refrigeration/climatisation - Google Patents
Systeme de refrigeration/climatisation Download PDFInfo
- Publication number
- WO1998045651A1 WO1998045651A1 PCT/JP1998/001602 JP9801602W WO9845651A1 WO 1998045651 A1 WO1998045651 A1 WO 1998045651A1 JP 9801602 W JP9801602 W JP 9801602W WO 9845651 A1 WO9845651 A1 WO 9845651A1
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- WO
- WIPO (PCT)
- Prior art keywords
- temperature
- side unit
- unit
- air
- type
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B5/00—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity
- F25B5/02—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity arranged in parallel
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
- A47F3/00—Show cases or show cabinets
- A47F3/04—Show cases or show cabinets air-conditioned, refrigerated
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B7/00—Compression machines, plants or systems, with cascade operation, i.e. with two or more circuits, the heat from the condenser of one circuit being absorbed by the evaporator of the next circuit
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/22—Refrigeration systems for supermarkets
Definitions
- the present invention relates to, for example, a refrigeration apparatus installed in a supermarket or the like that requires a plurality of types of temperature environments.
- a refrigerated showcase provided in a supermarket or the like has been conventionally known as disclosed in Japanese Patent Application Publication No. 62-94785.
- This type of case includes a refrigeration system in which a compressor, a condenser, an expansion valve, and an evaporator are connected by refrigerant piping. Further, in the showcase, in addition to a food display space, an air passage for circulating air between the display case and the display space is formed. And the said evaporator is arrange
- the refrigerant discharged from the compressor is condensed in the condenser and then decompressed by the expansion valve. Subsequently, the refrigerant evaporates by performing heat exchange with air flowing through the air passage in the evaporator, and cools the air. The cooled air is supplied from the air passage to the display space to keep the food at a predetermined low temperature. This freezer keeps the food fresh.
- the above-mentioned supermarkets are also equipped with air-conditioning devices for air conditioning inside stores and employee offices.
- This air conditioner is configured such that an outdoor unit installed outdoors and an indoor unit installed on a ceiling or the like in a store are connected by a refrigerant pipe or the like, and between these outdoor units and the indoor unit. It transports heat and cools stores and offices.
- This air conditioner keeps the inside of the store and the employee office in an appropriate air condition. —Solutions—
- a refrigeration apparatus and an air conditioner which are different from an area where food is displayed, such as a showcase, and an area where a person is present, such as in a store or an employee office, are provided.
- the refrigerating device and the air conditioner realize an environment according to the requirements of each area. That is, the refrigerating device and the air conditioner were independent of each other.
- the present invention has been made in view of these points, and a single device can meet the requirements of a plurality of types of temperature environments such as a supermarket and the like, and at the same time, can simplify the entire configuration.
- the purpose is to reduce the installation space.
- the present invention provides a heat source side unit, a first type of use side unit forming a binary refrigeration cycle with the heat source side unit, and a heat source side unit.
- a unit type refrigeration cycle is connected to the second type of use-side unit, and a different temperature environment can be set for each use-side unit.
- a first solution is to firstly provide a heat source side unit (60) having a compressor (61) and a heat source side heat exchanger (62), and a liquid pipe (72) to the heat source side unit (60). And a plurality of user-side units (11, 11) connected by a gas pipe (71) and connected in parallel with each other. 21, 31, 41, 51).
- each of the use-side units (11, 21, 31, 41, 51) is constituted by at least one of a first-type use-side unit and a second type use-side unit forming a different refrigeration cycle. I have.
- the first-type use-side unit (11, 21, 31) is a refrigerant heat exchanger () that exchanges heat between the heat-source-side refrigerant supplied from the heat-source-side unit (60) and the use-side refrigerant. 13, 23, 33) and a first use side heat exchanger that exchanges heat with the use side refrigerant supplied from the refrigerant heat exchanger (13, 23, 33) and air to adjust the air to a predetermined temperature. It has a closed-circuit use-side refrigerant circuit (12, 22, 32) having an exchanger (16, 26, 36). Then, the first type utilization side unit (11, 21, 31) constitutes a multiple refrigeration cycle with the heat source side unit (60).
- the second type use side unit (41, 51) directly exchanges heat between the refrigerant supplied from the heat source side unit (60) and air to adjust the air to a predetermined temperature. Equipped with heat exchangers (46, 56).
- the second type utilization side unit (41, 51) constitutes a unitary refrigeration cycle with the heat source side unit (60).
- the refrigerant heat exchanger (13, 23, 33) in the first type utilization side unit (11, 21, 31) may be referred to as a so-called cascade heat exchanger.
- the first type utilization side unit (11, 21, 31) performs a multi-refrigeration cycle operation with the heat source side unit (60). Therefore, for example, when the use side heat exchangers (16, 26, 36) perform an endothermic operation, it is possible to obtain relatively low-temperature cold heat.
- the second type utilization side unit (41, 51) performs the operation of the unitary refrigeration cycle with the heat source side unit (60). Therefore, for example, when the use side heat exchanger (46, 56) performs an endothermic operation, the temperature of the obtained cold heat is higher than that of the first type.
- the second solution is the first solution, wherein the temperature of the blown air or the temperature of the suction air of each of the use-side units (11, 21, 31, 41, 51) is set to a predetermined target temperature.
- a setting change means (82) for outputting a change signal for changing the target temperature of the other user-side unit (51) to the control means (81) is provided so as to increase the temperature.
- a third solution is the above-mentioned second solution, wherein the setting change means (82) is configured so that the outlet air temperature or the suction air temperature of the first type usage-side unit (11, 21, 31) is a target.
- the setting change means (82) is configured so that the outlet air temperature or the suction air temperature of the first type usage-side unit (11, 21, 31) is a target.
- a fourth solution is the temperature sensing device (Th-r-th) which detects the temperature of the blown air or the temperature of the suction air of the user-side unit (11, 21, 31, 41, 51). ) Is provided.
- the use side heat exchangers (16, 26, 36, 46, 56) of each use side unit (11, 21, 31, 41, 51) are composed of evaporators in which the refrigerant evaporates. Furthermore, setting change means
- the second type of use side It is configured to output a change signal for increasing the target temperature of the unit (51).
- the capability of the first-type user unit (11, 21, 31) is secured in preference to the second-type user unit (41, 51). I do.
- the first type of use side unit (11, 21, 31) is operated to stably obtain relatively low-temperature cold heat.
- the fifth solution is that, in the first solution, the user unit (11, 21) of the first type is provided in a showcase (10, 20) for food display in a supermarket. Have been.
- the second type user side unit (51) is installed indoors so as to perform air conditioning in the supermarket store.
- the first type of use side unit (11) constituting a binary refrigeration cycle between the heat source side unit (60) and one heat source side unit (60) is provided.
- 21,31) and the heat source side unit (60) are connected to the second type of use side units (41,51) constituting a unitary refrigeration cycle.
- Different temperature environments can be reliably obtained depending on the port (11, 21, 31, 41, 51).
- a device having one heat source side unit (60) can realize various types of temperature environments with greatly different temperature levels.
- the target temperature of the other use-side unit (51) is increased so as to increase the capacity of this use-side unit (11). Since there is a user unit (11) that requires a particularly stable refrigeration capacity, the capacity of the user unit (11) can be maintained. In other words, since the capability of the specific user unit (11) is preferentially maintained, it is necessary for the specific user unit (11) without requiring a large capacity as a whole. You can get the necessary abilities.
- the refrigerating capacity of the first type of use side unit (11, 21, 31) is increased by the second type of the use side unit (41, 51). Since the control is performed prior to the refrigerating capacity, the capacity of the first-type user-side units (11, 21, 31) exhibiting a particularly large refrigerating capacity can be maintained preferentially.
- the first type of use side unit (11, 21, 31) that can exhibit high refrigeration capacity is often used as a use side unit that requires particularly stable refrigeration capacity. In this case, by giving priority control to the user units (11, 21, 31) of the first type described above, it is possible to reliably avoid losing the ability to meet this stable capacity requirement. it can.
- the first type user unit (11, 21) is provided in a showcase (10, 20) for food display in a supermarket, and the second type user unit (11, 21) is provided. Since 51) is installed indoors to provide air conditioning in the store, multiple types of temperature environments required by the supermarket can be realized with a single device. Further, since the first type of use side unit (11, 21) is preferentially controlled, the inside of the showcase (10, 20) can always be maintained at a stable low temperature. As a result, the freshness of the food can be ensured for a long period of time, so that the practicality of the device can be improved.
- FIG. 1 is a piping diagram of a refrigeration / air-conditioning system according to an embodiment of the present invention.
- FIG. 2 is a flowchart showing an operation procedure for performing priority control of a showcase.
- a refrigeration apparatus according to the present invention is applied to a supermarket refrigeration and air conditioning system. Therefore, first, the temperature environment required for each area such as an in-store section of a supermarket and an employee office will be described.
- a frozen showcase (10) for displaying frozen foods and a refrigerated showcase (20) for displaying refrigerated foods are installed.
- a freezer showcase (10) requires an in-case temperature environment of 120 ° C
- a refrigerated showcase (20) requires an in-case temperature environment of 0 ° C.
- the supermarket also has a storage room (30), which is a room generally called a back yard and stores various foods, and a food processing room where employees perform work such as packing foods.
- a storage room (30) requires a temperature environment of 12 ° C
- a food processing room (40) requires a temperature environment of 15 ° C
- a general air conditioning room (50) requires a temperature environment of 2 ° C.
- a temperature environment of 5 ° C is required.
- This refrigeration and air-conditioning system consists of one outdoor unit (60) as a heat source side unit, three refrigeration units (11, 21, 31) and two air conditioning units (41, 51) as user side units. It has.
- Each of the refrigeration units (11, 21, 31) and each of the air conditioning units (41, 51) include the refrigerated showcase (10), the refrigerated showcase (20), the storage (30), and the food processing room (40). ) And a general air-conditioning room (50).
- the outdoor unit (60) is installed outside the supermarket, and includes a compressor (61) and an outdoor heat exchanger (62) which is a heat source side heat exchanger.
- the outdoor heat exchanger (62) is connected to the refrigerant discharge side of the compressor (61), and has an outdoor fan (F-o) arranged close to it.
- the suction side of the compressor (61) is connected to each refrigeration unit (11, 21, 31) and each air conditioning unit (41, 51) by a gas side communication pipe (71).
- the liquid side of (62) is connected to each refrigeration unit (11, 21, 31) and each air conditioning unit by the liquid side connecting pipe (72). (41,51).
- the gas-side communication pipe (71) and the liquid-side communication pipe (72) are branched into a plurality of sections on the way, and the branch ends are connected to the refrigeration units (11, 21, 31) and the air conditioning units (41, 51). ) Are connected to the gas side and the liquid side, respectively.
- each refrigeration unit (11, 21, 31) and each air conditioning unit (41, 51) will be described.
- Each of the refrigeration units (11, 21, 31) is a first type usage-side unit installed in a refrigeration showcase (10), a refrigerated showcase (20), and a storage (30).
- Each of the above air conditioning units (41, 51) is a second type of use side unit installed in the food processing room (40) and the general air conditioning room (50).
- the refrigeration units (11, 21, 31) of the refrigerated showcase (10), the refrigerated showcase (20), and the storage (30) are provided with a closed use-side refrigerant circuit (12, 22, 32). ing.
- the use side refrigerant circuit (12, 22, 32) is configured to exchange heat with the refrigerant supplied from the outdoor unit (60) through the liquid side communication pipe (72).
- the refrigeration unit (11, 21, 31) heats the refrigerant between the refrigerant supplied from the outdoor unit (60) via the liquid-side connecting pipe (72) and the use-side refrigerant circuit (12, 22, 32). It is equipped with a refrigerant heat exchanger (13, 23, 33) for replacement.
- the refrigerant heat exchanger (13, 23, 33) is referred to as a cascade-type heat exchanger (cascade condenser) that cools the condensation heat of the low-temperature side refrigerant by the evaporation heat of the high-temperature side refrigerant. In some cases.
- the use side refrigerant circuit (12,22,32) includes a compressor (14,24,34) and a condensing section (13a, 23a) as a use side heat exchange section of the refrigerant heat exchanger (13,23,33). , 33a), an expansion valve (15, 25, 35), and an evaporator (16, 26, 36) as a first use side heat exchanger are connected in order by refrigerant piping (17, 27, 37). It is configured.
- a fan (F) is arranged close to the evaporator (16, 26, 36).
- An expansion valve (18, 28, 38) is provided at a branch of the liquid side communication pipe (72) extending from the outdoor unit (60).
- the low-pressure side of the expansion valve (18, 28, 38) at the branch of the liquid-side communication pipe (72) is connected to an evaporator (13b, 13b) as a heat source-side heat exchanger of the refrigerant heat exchanger (13, 23, 33). 23b, 33b). Therefore, between the outdoor unit (60) and the freezing units (11, 21, 31) of the freezing showcase (10), the refrigerated showcase (20) and the storage (30), the heat source side circuit ( A so-called multi-type binary refrigeration system is constructed in which a plurality of use side circuits (secondary side circuits) are connected to the primary side circuit).
- the primary refrigerant circuit is composed of the evaporating sections (13b, 23b, 33b) of 13,23,33).
- the compressor (14,24,34) of each of the refrigeration units (11,21,31), the condenser (13a, 23a, 33a) of the refrigerant heat exchanger (13,23,33), and the expansion valve (15, 25, 35) and the evaporator (16, 26, 36) constitute a secondary refrigerant circuit. Heat transfer is performed between these refrigerant circuits.
- the air conditioning unit (41, 51) includes an indoor heat exchanger (46, 56) as a second use side heat exchanger.
- expansion valves (45, 55) are provided at the branch of the liquid-side communication pipe (72) extending from the outdoor unit (60).
- the low pressure side of the expansion valve (45, 55) at the branch of the liquid side communication pipe (72) is connected to the indoor heat exchanger (46, 56).
- the air conditioner unit (41,51) has a compressor (61) and an outdoor heat exchanger (62) of an outdoor unit (60), a food processing room (40), and a general air conditioner room (50).
- Air conditioning unit (41,5) has a compressor (61) and an outdoor heat exchanger (62) of an outdoor unit (60), a food processing room (40), and a general air conditioner room (50).
- Air conditioning unit (41,5) has a compressor (61) and an outdoor heat exchanger (62) of an outdoor unit (60), a food processing room (40), and a general air conditioner room (50).
- the unitary refrigeration cycle is constructed by connecting the expansion valve (45, 55) and the indoor heat exchanger (46, 56) in order 1).
- the refrigerant discharged from the compressor (61) of the outdoor unit (60) and condensed in the outdoor heat exchanger (62) is decompressed by the expansion valves (45, 55) of the air conditioning units (41, 51).
- the indoor heat exchanger (46, 56) heat is exchanged with indoor air to evaporate.
- each of the refrigeration units (11, 21, 31) and the air conditioning units (41, 51) has a temperature sensor (Thr r) as a temperature detection means for detecting the temperature of the blown air or the temperature of the intake air. ) Is provided.
- the temperature sensor (Thr) in the present embodiment actually detects the temperature of the blown air.
- the refrigeration / air-conditioning system also has sensors for detecting the discharge pipe temperature, discharge pressure, suction pressure, etc. of each compressor (61, 14, 24, 34). It has been done.
- the refrigeration / air-conditioning system is provided with a controller (80).
- the controller (80) is provided with control means (81) and setting change means (82).
- the control means (81) controls the operating capacity of each of the compressors (61, 14, 24, 34) and the opening degree of the expansion valve (15, 18, 25, 28, 35, 38, 45, 55).
- each refrigeration unit (11, 21, 31) and each air conditioning unit (41, 51) can obtain the above-mentioned temperature environment. That is, the control means (81) controls each of the above-mentioned devices so that the temperature of the blown air or the temperature of the sucked air of each of the refrigeration units (11, 21, 31) and each of the air conditioning units (41, 51) becomes a predetermined target temperature. Control.
- the setting change means (82) receives the output of the temperature sensor (Thr), and receives the output air temperature or suction air of the refrigeration unit (11, 21) of the refrigeration showcase (10) or the refrigerated showcase (20).
- the predetermined temperature for increasing the target temperature of the air conditioning unit (51) of the general air conditioning room (50) is, for example, 5 degrees.
- the compressors (61, 14, 24, 34) of the outdoor unit (60) and the refrigerating units (11, 21, 31) are driven.
- the operating capacity of this compressor (61,14,24,34), the degree of expansion of each expansion valve (15,18,25,28,35,38,45,55), and the rotation speed of the fan (Fo, F) are controlled by control means (81).
- the temperature of the blown air or the temperature of the sucked air of each of the refrigeration units (11, 21, 31) and each of the air conditioning units (41, 51) is controlled so as to reach a predetermined target temperature.
- the refrigerated showcase (10), refrigerated showcase (20), and storage (30) The refrigeration units (11, 21, 31) are configured in a binary refrigeration cycle with the outdoor unit (60), so that relatively low-temperature cooling can be obtained. At that time, the temperature of each part is as described above.
- the air conditioning units (41, 51) of the food processing room (40) and the general air conditioning room (50) are configured as a unitary refrigeration cycle with the outdoor unit (60). (11,21,31), it is possible to obtain cold heat with a relatively high temperature. At that time, the temperatures of these parts are also as described above.
- the situation where the refrigeration capacity is insufficient is, for example, when new foods are displayed in the refrigerated showcase (10) or the refrigerated showcase (20), and the refrigerated showcase (10) or the refrigerated showcase (20) is temporarily May have increased internal temperature.
- Other situations where the refrigeration capacity is insufficient include a case where the outdoor functional capacity is reduced due to contamination of the outdoor heat exchanger (62) or the like.
- the operation when the internal temperature of the freezing showcase (10) rises will be described.
- step ST1 the air temperature (Tr) to the refrigeration showcase (10) detected by the outlet temperature sensor (Thr) and the target set temperature (TsetA) of the refrigeration showcase (10) are determined. Compare.
- the target set temperature (TsetA) is, for example, ⁇ 20 ° C. If the blown air temperature (Tr) is higher than the target set temperature (TsetA) by a predetermined amount t or more, the determination in step ST1 becomes YES, and the process proceeds to step ST2.
- the predetermined amount t is, for example, 5 deg.
- step ST2 the target set temperature (TsetB) of the general air-conditioning room (50) is set higher by a predetermined amount. For example, the target set temperature (TsetB) is increased by 5 deg, and the cooling demand of the general air-conditioning room (50) is set small.
- step ST2 the air conditioning unit (51) of the general air conditioning room (50) suspends the air conditioning operation, so-called thermo-off.
- This sum-off operation is, for example, This is done by fully closing the expansion valve (55).
- the air-conditioning unit (51) of the general air-conditioning room (50) does not restart the air-conditioning operation until the room temperature becomes at least 5 deg higher than the original target temperature.
- the air conditioning unit (51) does not turn on the so-called thermo-on until the room temperature becomes higher than the original target temperature by 5 degrees or more.
- step ST4 the process proceeds to step ST4, and by the above-described operation, it is not necessary to supply the refrigerant to the air conditioning unit (51) of the general air conditioning room (50), so that the refrigeration unit (11) of the refrigeration showcase (10) is not required.
- a large amount of refrigerant can be supplied for a predetermined time. That is, the refrigerant supply amount of the refrigeration unit (11) increases until the air conditioning unit (51) turns on.
- step ST5 it is determined whether or not the outlet air temperature (Tr) of the frozen showcase (10) has reached the target set temperature (TsetA).
- the determination in step ST5 becomes YES, and the process proceeds to step ST6.
- the target set temperature (TsetB) of the general air conditioning room (50) is returned to the original value. That is, the target set temperature (TsetB) is reduced by 5 deg.
- the first type refrigeration unit (11, 21, 31) constituting the dual refrigeration cycle and the single refrigeration cycle are provided for one outdoor unit (60).
- the second type of air conditioning unit (41, 51) The refrigeration and air-conditioning system can realize many kinds of temperature environments with greatly different temperature levels.
- the target set temperature (TsetB) of the general air conditioning room (50) is forcibly changed and the refrigeration showcase (10 ) And so on, so that the operation control is performed with priority given to the temperature environment, so that the freshness of the food can be maintained for a long time.
- the refrigeration units (11, 21, 31) constitute a binary refrigeration cycle with the outdoor unit (60)
- the use-side refrigerant circuit (12, 22, 32) which is a low-temperature side refrigerant circuit, is provided.
- the desired low temperature can be obtained only by changing the temperature.
- variations of the refrigeration and air conditioning system are improved, and versatility is improved.
- the present invention is not limited to this, and may be applied to a refrigeration system for buildings and the like.
- the refrigeration apparatus according to the present invention is useful for obtaining regions having different temperature environments.
- the refrigeration apparatus according to the present invention is suitable for performing case freezing and indoor air conditioning in a supermarket.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
- Air Conditioning Control Device (AREA)
- Surgical Instruments (AREA)
Description
Claims
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB988004453A CN1159555C (zh) | 1997-04-08 | 1998-04-07 | 冷冻装置 |
EP98911234A EP0907056B1 (en) | 1997-04-08 | 1998-04-07 | Refrigerator |
DK98911234T DK0907056T3 (da) | 1997-04-08 | 1998-04-07 | Köleanlæg |
DE69822748T DE69822748T2 (de) | 1997-04-08 | 1998-04-07 | Kälte- bzw klimaanlage |
JP54260098A JP3861294B2 (ja) | 1997-04-08 | 1998-04-07 | 冷凍装置 |
US09/147,273 US6131401A (en) | 1997-04-08 | 1998-04-07 | Refrigerating system |
AU65237/98A AU727210B2 (en) | 1997-04-08 | 1998-04-07 | Refrigerating system |
NO985640A NO309062B1 (no) | 1997-04-08 | 1998-12-03 | Kjølesystem |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9/89164 | 1997-04-08 | ||
JP8916497 | 1997-04-08 |
Publications (1)
Publication Number | Publication Date |
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WO1998045651A1 true WO1998045651A1 (fr) | 1998-10-15 |
Family
ID=13963185
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1998/001602 WO1998045651A1 (fr) | 1997-04-08 | 1998-04-07 | Systeme de refrigeration/climatisation |
Country Status (11)
Country | Link |
---|---|
US (1) | US6131401A (ja) |
EP (1) | EP0907056B1 (ja) |
JP (1) | JP3861294B2 (ja) |
CN (1) | CN1159555C (ja) |
AU (1) | AU727210B2 (ja) |
DE (1) | DE69822748T2 (ja) |
DK (1) | DK0907056T3 (ja) |
ES (1) | ES2218811T3 (ja) |
MY (1) | MY114473A (ja) |
NO (1) | NO309062B1 (ja) |
WO (1) | WO1998045651A1 (ja) |
Cited By (9)
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US6393858B1 (en) | 1998-07-24 | 2002-05-28 | Daikin Industries, Ltd. | Refrigeration system |
JP2002174470A (ja) * | 2000-12-08 | 2002-06-21 | Daikin Ind Ltd | 冷凍装置 |
JP2002228284A (ja) * | 2001-02-06 | 2002-08-14 | Daikin Ind Ltd | 冷凍装置 |
JP2002277098A (ja) * | 2001-03-21 | 2002-09-25 | Daikin Ind Ltd | 冷凍装置 |
WO2003036189A1 (fr) | 2001-10-23 | 2003-05-01 | Daikin Industries,Ltd. | Congelateur |
JP2005098607A (ja) * | 2003-09-25 | 2005-04-14 | Mitsubishi Electric Corp | 空気調和機 |
JP2006292225A (ja) * | 2005-04-08 | 2006-10-26 | Daikin Ind Ltd | 冷凍・空調システム |
EP2112444A1 (en) | 2001-06-26 | 2009-10-28 | Daikin Industries, Ltd. | Refrigeration apparatus |
WO2011158305A1 (ja) * | 2010-06-18 | 2011-12-22 | 三菱電機株式会社 | 冷凍空調装置 |
Families Citing this family (50)
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US6047557A (en) | 1995-06-07 | 2000-04-11 | Copeland Corporation | Adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor |
JP3094997B2 (ja) * | 1998-09-30 | 2000-10-03 | ダイキン工業株式会社 | 冷凍装置 |
TWI263025B (en) * | 2002-01-24 | 2006-10-01 | Daikin Ind Ltd | Freezing device |
JP3956784B2 (ja) * | 2002-07-04 | 2007-08-08 | ダイキン工業株式会社 | 冷凍装置 |
JP4088671B2 (ja) * | 2002-10-30 | 2008-05-21 | 株式会社日立製作所 | 冷凍空調装置 |
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- 1998-04-07 EP EP98911234A patent/EP0907056B1/en not_active Expired - Lifetime
- 1998-04-07 CN CNB988004453A patent/CN1159555C/zh not_active Expired - Lifetime
- 1998-04-07 ES ES98911234T patent/ES2218811T3/es not_active Expired - Lifetime
- 1998-04-07 DK DK98911234T patent/DK0907056T3/da active
- 1998-04-07 AU AU65237/98A patent/AU727210B2/en not_active Ceased
- 1998-04-07 WO PCT/JP1998/001602 patent/WO1998045651A1/ja active IP Right Grant
- 1998-04-07 DE DE69822748T patent/DE69822748T2/de not_active Expired - Lifetime
- 1998-04-07 US US09/147,273 patent/US6131401A/en not_active Expired - Lifetime
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
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US6393858B1 (en) | 1998-07-24 | 2002-05-28 | Daikin Industries, Ltd. | Refrigeration system |
JP2002174470A (ja) * | 2000-12-08 | 2002-06-21 | Daikin Ind Ltd | 冷凍装置 |
JP2002228284A (ja) * | 2001-02-06 | 2002-08-14 | Daikin Ind Ltd | 冷凍装置 |
JP2002277098A (ja) * | 2001-03-21 | 2002-09-25 | Daikin Ind Ltd | 冷凍装置 |
EP2112444A1 (en) | 2001-06-26 | 2009-10-28 | Daikin Industries, Ltd. | Refrigeration apparatus |
WO2003036189A1 (fr) | 2001-10-23 | 2003-05-01 | Daikin Industries,Ltd. | Congelateur |
US6883346B2 (en) | 2001-10-23 | 2005-04-26 | Daikin Industries, Ltd. | Freezer |
JP2005098607A (ja) * | 2003-09-25 | 2005-04-14 | Mitsubishi Electric Corp | 空気調和機 |
JP2006292225A (ja) * | 2005-04-08 | 2006-10-26 | Daikin Ind Ltd | 冷凍・空調システム |
WO2011158305A1 (ja) * | 2010-06-18 | 2011-12-22 | 三菱電機株式会社 | 冷凍空調装置 |
Also Published As
Publication number | Publication date |
---|---|
DE69822748T2 (de) | 2004-08-05 |
DE69822748D1 (de) | 2004-05-06 |
NO985640D0 (no) | 1998-12-03 |
CN1222966A (zh) | 1999-07-14 |
EP0907056A1 (en) | 1999-04-07 |
EP0907056A4 (en) | 2000-03-29 |
AU727210B2 (en) | 2000-12-07 |
ES2218811T3 (es) | 2004-11-16 |
JP3861294B2 (ja) | 2006-12-20 |
US6131401A (en) | 2000-10-17 |
NO309062B1 (no) | 2000-12-04 |
NO985640L (no) | 1998-12-03 |
DK0907056T3 (da) | 2004-08-16 |
AU6523798A (en) | 1998-10-30 |
CN1159555C (zh) | 2004-07-28 |
MY114473A (en) | 2002-10-31 |
EP0907056B1 (en) | 2004-03-31 |
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