CN102077043A - Remote refrigeration display case system - Google Patents
Remote refrigeration display case system Download PDFInfo
- Publication number
- CN102077043A CN102077043A CN2008801301460A CN200880130146A CN102077043A CN 102077043 A CN102077043 A CN 102077043A CN 2008801301460 A CN2008801301460 A CN 2008801301460A CN 200880130146 A CN200880130146 A CN 200880130146A CN 102077043 A CN102077043 A CN 102077043A
- Authority
- CN
- China
- Prior art keywords
- display case
- evaporimeter
- condenser
- compressor
- refrigerated display
- 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.)
- Pending
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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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
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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
- A47F3/0404—Cases or cabinets of the closed type
- A47F3/0426—Details
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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
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/385—Dispositions with two or more expansion means arranged in parallel on a refrigerant line leading to the same evaporator
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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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D15/00—Devices not covered by group F25D11/00 or F25D13/00, e.g. non-self-contained movable devices
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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
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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
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/37—Capillary tubes
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Freezers Or Refrigerated Showcases (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The present invention relates to a remote refrigeration display case system including a display case, air flow passages, and a refrigeration system including a air condition duty compressor, a condenser, a expansion/throttle device, a evaporator, and pipes connecting these components, wherein the air condition duty compressor and the condenser are installed remotely, and the saturated evaporating temperature of the evaporator is -4 to 2 DEG C. With the present invention the display case system can reduce the power consumption by 20% and can be produced with lower cost. Furthermore, the display case system according to the above embodiment operates with lower noise level and higher reliability.
Description
Technical field
The present invention relates in general to a kind of long-range refrigerated display case system, and this system is used for commercial field of cooling to show and to preserve chilled food etc.
Background technology
Usually the refrigerated display case system is equipped with,, to show fresh food or drink to client in supermarket and convenience store.All refrigeration show cabinet systems comprise following parts at least: compressor, condenser, at least one evaporimeter, the expansion/throttle device (such as expansion valve) that are associated with showcase and the suitable refrigeration piping that is connected these equipment.Expansion valve is arranged in the pipeline of upstream of cold-producing medium stream of evaporator inlet with the expanding liquid cold-producing medium.The function of expansion valve is to make liquid refrigerant expand into the low pressure of the expectation of selecting into particular refrigerant before cold-producing medium enters evaporimeter.The result of this expansion is that the temperature of liquid refrigerant also obviously descends.Along with when the evaporator tube from absorption of air heat by evaporator surface, the low pressure, low temperature liquid evaporation.Usually, the refrigeration system of supermarket and convenience store comprise a plurality of evaporimeters of being arranged in a plurality of showcases, set and one or more condenser of a plurality of compressors of being called compressor rack.
In existing show cabinet system, the operation evaporating temperature of condenser and compressor is approximately-15 ℃, and the evaporating temperature of the general evaporimeter that adopts is approximately-10 ℃--8 ℃.As known, the performance of condenser and compressor changes along with evaporating temperature and condensation temperature, and wherein, particularly refrigerating efficiency descends along with evaporating temperature and reduces.To this, in order to obtain higher refrigerating efficiency, it is high that evaporating temperature should keep as much as possible.
Therefore, the evaporating temperature that increases evaporimeter in the refrigerated display case system not only can reduce power consumption to reduce compression ratio, reduces sound level, and can reduce cost when obtaining high reliability.Introduced the evaporimeter described among the United States Patent (USP) 6460372Bl in a preferred embodiment of the invention to reach purpose of the present invention.Simultaneously, reference is carried out in the open merging of United States Patent (USP) 6460372Bl therewith.
Summary of the invention
The application's purpose is to provide a kind of long-range refrigerated display case system, comprising: showcase, and it comprises product display area and at least one compartment that separates with product display area; Airflow path is used for being connected air between show area and compartment; And refrigeration system, comprise idle call compressor, condenser, expansion/throttle device, evaporimeter and be connected the pipeline of these assemblies, wherein, remotely install an air-conditioner with compressor and condenser, and the saturated evaporating temperature of evaporimeter is-4 ℃ to 2 ℃.
Description of drawings
After the reference accompanying drawing was read specific embodiments of the invention, those skilled in the art can be expressly understood various aspects of the present invention more, wherein:
Fig. 1 illustrates the schematic block diagram according to the refrigerated display case with condensing unit (CDU) of one or more aspects of the present invention; And
Fig. 2 illustrates the front view of the representational layout of the long-range refrigerated display case that Fig. 1 schematically shows.
Wherein, the implication of the label in the accompanying drawing of description is listed as follows:
010 condensing unit (CDU)
011 compressor
012 condenser
020 expansion/throttle device
030 evaporimeter
040 pressure equalizing device
041 capillary
042 magnetic valve
100 refrigerated display case
110 cabinets
111 button fly fronts
112 airflow paths
114 airflow paths
116 airflow paths
118 airflow paths
120 compartments
130 fans
140 product display area
150 shelf.
The specific embodiment
Embodiments of the invention are described below with reference to accompanying drawings.Wherein, the refrigeration system shown in Fig. 1 and Fig. 2 is depicted as has the single evaporimeter that is associated with refrigerated display case, single condenser and single compressor.Be appreciated that this refrigerated display case can be used among the various embodiment of the commercial refrigeration system that have single or multiple showcases (having one or more evaporimeters in each cabinet), single or multiple condenser and/or single or multiple compressor arrange.
Fig. 1 is the schematic block diagram according to the refrigerated display case with condensing unit (CDU) of one or more aspects of the present invention.
As shown in Figure 1, preferred refrigerated display case is made up of 5 basic elements of character: condensing unit 010, has the pressure equalizing device 040 of capillary 041 and magnetic valve 042 and the pipeline 050 that is used to be connected these parts at the evaporimeter 030 that is associated comprising compressor 011 and condenser 012, expansion/throttle device 020, with refrigerated display case 100.Yet, be appreciated that refrigeration system can comprise optional feature, control device and annex.The evaporating temperature of compressor 011 can be higher than-5 ℃.Although can use the conventional expanded equipment of any concrete form, bloating plant 020 optimally comprises the expansion valve with thermal induction element, the sense light that contacts to earth and install such as the aspiration line hot joining with the outlet downstream of evaporimeter 030.Sense light is linked thermostatic expansion valve 020 042 time by traditional capillary 041 and magnetic valve, wherein, capillary 041 and magnetic valve 042 decomposition pressure balancing equipment 040, pressure equalizing device 040 is added between pressure piping and the low pressure pipeline, with equalizing pressure during the compressor dwell time.The high-efficiency evaporator that employing United States Patent (USP) 6460372B1 mentions is as the evaporimeter of current embodiment, and its evaporating temperature is-4 ℃ to 2 ℃.To send to condenser 012 from the cold-producing medium of compressor 011, be cooled therein then.In this embodiment, compressor 011 and condenser 012 make up condensing unit (CDU), and this condensing unit is remotely installed.In CDU processed after, cold-producing medium weakens inflow evaporator then by expansion/throttle device 020.The function of evaporimeter is to make the cold-producing medium evaporation and temperature is dropped to desired grade.
Compare with traditional show cabinet system, saturated evaporating temperature is increased to is higher than-5 ℃, and reduce compression ratio, consequently, can adopt cost-efficient A.C. compressor.
With reference to Fig. 2, refrigerated display case 100 comprises upright, button fly front, the adiabatic cabinet 110 of the product display area 140 that has within it and compartment 120.In the embodiment that describes, for the evaporimeter 030 of sheet and tube heat exchange coil is arranged in the compartment 120, this compartment separates under product display area 140 and with product display area 140.Yet as required, compartment 120 can be arranged on the product display area or back.In conventional practice, be arranged in the air circulation device in the compartment 120, for example, one or more fans 130, make the air flow passage 112,114 that forms in the wall of air circulation by cabinet 110 and 116 and enter product display area 140, remain on desired temperatures with the product that will store on the shelf in the product display area 140.The air of part refrigeration comes out from air flow passage, roughly down passes the front of show area 104, thereby forms air curtain between the environment temperature near the store area refrigerated product display 140 and showcase 100.Usually be positioned at the correct liquid refrigerating dosage that expansion/throttle device 020 that showcase 100 still can be installed in any position of pipeline is used to measure inflow evaporator 030 near evaporimeter 030.
Evaporator pressure balancing equipment 040 operation that can comprise capillary 041 and magnetic valve 042 maintains the pressure in the evaporimeter expectation operating pressure of preliminary election to leave the cold-producing medium stream of evaporimeter by adjusting.By the operating pressure in the evaporimeter is maintained desired pressure, will be maintained at and the relevant specified temp of particular refrigerant that passes through evaporimeter in the temperature of evaporimeter 030 inner refrigerant from the expansion of liquids to the steam.
Compare with legacy system, adopt the show cabinet system of technique scheme can reduce power consumption 20%, and can low-costly make the show cabinet system that adopts technique scheme.In addition, according to the show cabinet system of the foregoing description with the more reliability operation of low level of noise and Geng Gao.
Be appreciated that gamma correction, inverse gamma correction and matrix computations wherein and conversion are those skilled in the art's known technologies when describing one or more aspect of the present invention in conjunction with the accompanying drawings, therefore in that this will the descriptions thereof are omitted.
More than, by describing specific embodiments of the invention with reference to the accompanying drawings.Yet, those skilled in the art will appreciate that under the situation that does not break away from the spirit and scope of the present invention and can carry out various changes and replacement specific embodiment of the present invention.These changes and replacement will fall into claim restricted portion of the present invention.
Claims (4)
1. long-range refrigerated display case system comprises:
Showcase, it comprises product display area and at least one compartment that separates with product display area,
Airflow path is used for being connected air between show area and compartment, and
Refrigeration system, the pipeline that it comprises idle call compressor, condenser, expansion/throttle device, evaporimeter and is connected these parts,
Wherein, idle call compressor and condenser are remotely installed, and the saturated evaporating temperature of evaporimeter is-4 ℃ to 2 ℃.
2. long-range refrigerated display case according to claim 1 system, wherein, described refrigeration system also comprises: pressure equalizing device, it is made up of at least one capillary and at least one magnetic valve.
3. long-range refrigerated display case according to claim 1 and 2 system, wherein, the saturated evaporating temperature of idle call compressor is to be higher than-5 ℃.
4. long-range refrigerated display case according to claim 1 and 2 system, wherein, evaporimeter is installed in the described compartment.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2008/001244 WO2010000088A1 (en) | 2008-06-30 | 2008-06-30 | Remote refrigeration display case system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102077043A true CN102077043A (en) | 2011-05-25 |
Family
ID=41465442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008801301460A Pending CN102077043A (en) | 2008-06-30 | 2008-06-30 | Remote refrigeration display case system |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2310773A4 (en) |
| CN (1) | CN102077043A (en) |
| WO (1) | WO2010000088A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107752587A (en) * | 2016-08-16 | 2018-03-06 | 开利公司 | Refrigerated display case, refrigeration system and constant-temperature control method |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2178796B8 (en) | 2007-07-11 | 2021-03-17 | Clene Nanomedicine, Inc. | Continuous method for treating liquids and manufacturing certain constituents |
| US11559147B2 (en) | 2019-05-07 | 2023-01-24 | Carrier Corporation | Refrigerated display cabinet utilizing a radial cross flow fan |
| US11116333B2 (en) | 2019-05-07 | 2021-09-14 | Carrier Corporation | Refrigerated display cabinet including microchannel heat exchangers |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56110864A (en) * | 1980-02-07 | 1981-09-02 | Mitsubishi Electric Corp | Heat accumulation type heat recovery system |
| US4748820A (en) * | 1984-01-11 | 1988-06-07 | Copeland Corporation | Refrigeration system |
| JPH0650646A (en) * | 1992-07-31 | 1994-02-25 | Sanyo Electric Co Ltd | Refrigerator |
| JPH08128760A (en) * | 1994-10-28 | 1996-05-21 | Hitachi Ltd | Air conditioner |
| JPH09145245A (en) * | 1995-11-20 | 1997-06-06 | Sanyo Electric Co Ltd | Cooling showcase |
| CN1197191A (en) * | 1997-03-11 | 1998-10-28 | 三电有限公司 | Refrigerating/freezing display case unit |
| US6324856B1 (en) * | 2000-07-07 | 2001-12-04 | Spx Corporation | Multiple stage cascade refrigeration system having temperature responsive flow control and method |
| US6460372B1 (en) | 2001-05-04 | 2002-10-08 | Carrier Corporation | Evaporator for medium temperature refrigerated merchandiser |
| WO2006101566A1 (en) * | 2005-03-18 | 2006-09-28 | Carrier Commercial Refrigeration, Inc. | High side pressure regulation for transcritical vapor compression |
| US20070089453A1 (en) * | 2005-10-20 | 2007-04-26 | Hussmann Corporation | Refrigeration system with distributed compressors |
| US8136364B2 (en) * | 2006-09-18 | 2012-03-20 | Carrier Corporation | Refrigerant system with expansion device bypass |
| GB2442241B (en) * | 2006-09-29 | 2008-11-26 | Sew Hing Woo | Improved refrigeration apparatus for supermarkets |
-
2008
- 2008-06-30 WO PCT/CN2008/001244 patent/WO2010000088A1/en active Application Filing
- 2008-06-30 CN CN2008801301460A patent/CN102077043A/en active Pending
- 2008-06-30 EP EP08772997.6A patent/EP2310773A4/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107752587A (en) * | 2016-08-16 | 2018-03-06 | 开利公司 | Refrigerated display case, refrigeration system and constant-temperature control method |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2010000088A1 (en) | 2010-01-07 |
| EP2310773A1 (en) | 2011-04-20 |
| EP2310773A4 (en) | 2014-01-01 |
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