CN101160078A - Modular refrigeration cassette - Google Patents

Modular refrigeration cassette Download PDF

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Publication number
CN101160078A
CN101160078A CNA2005800491479A CN200580049147A CN101160078A CN 101160078 A CN101160078 A CN 101160078A CN A2005800491479 A CNA2005800491479 A CN A2005800491479A CN 200580049147 A CN200580049147 A CN 200580049147A CN 101160078 A CN101160078 A CN 101160078A
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CN
China
Prior art keywords
evaporator
condenser
module
refrigeration cassette
refrigeration
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
Application number
CNA2005800491479A
Other languages
Chinese (zh)
Inventor
B·J·米德
E·D·小达迪斯
M·A·丹尼尔斯
D·R·克拉克
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.)
Carrier Corp
Original Assignee
Carrier 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
Application filed by Carrier Corp filed Critical Carrier Corp
Publication of CN101160078A publication Critical patent/CN101160078A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • F25B19/00—Machines, plants or systems, using evaporation of a refrigerant but without recovery of the vapour
    • 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
    • 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
    • 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
    • A47F3/0408—Cases or cabinets of the closed type with forced air circulation
    • 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
    • A47F3/0482—Details common to both closed and open types
    • 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
    • F25D19/00—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
    • 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
    • F25D19/00—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
    • F25D19/02—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors plug-in type
    • 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
    • F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/14—Collecting or removing condensed and defrost water; Drip trays
    • 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
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/065—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the air return
    • F25D2317/0651—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the air return through the bottom
    • 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
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/066—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the air supply
    • F25D2317/0661—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the air supply from the bottom
    • 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
    • F25D2323/00—General constructional features not provided for in other groups of this subclass
    • F25D2323/002—Details for cooling refrigerating machinery
    • F25D2323/0026—Details for cooling refrigerating machinery characterised by the incoming air flow
    • F25D2323/00264—Details for cooling refrigerating machinery characterised by the incoming air flow through the front bottom part
    • 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
    • F25D2323/00—General constructional features not provided for in other groups of this subclass
    • F25D2323/002—Details for cooling refrigerating machinery
    • F25D2323/0027—Details for cooling refrigerating machinery characterised by the out-flowing air
    • F25D2323/00271—Details for cooling refrigerating machinery characterised by the out-flowing air from the back bottom
    • 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
    • F25D2331/00—Details or arrangements of other cooling or freezing apparatus not provided for in other groups of this subclass
    • F25D2331/80—Type of cooled receptacles
    • F25D2331/803—Bottles

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)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
  • Freezers Or Refrigerated Showcases (AREA)
  • Removal Of Water From Condensation And Defrosting (AREA)

Abstract

The interior space within a refrigeration unit cassette (50) associated with a refrigerated merchandiser (10) is divided by a division wall (68) into a first section in air flow communication with interior product display space of the cabinet (20), and a second section isolated from the first section and in fluid flow communication with the environment exterior of the cabinet. An evaporator module (160) is disposed within the first section, and a condenser module (170) and the compressor are disposed within the second section. The refrigeration cassette (50) can be selectively inserted or disengaged from the equipment chamber to facilitate the maintenance to the refrigeration equipment at the inner side, and the maintenance includes the taking-out and the replacement of the evaporator module (160) and the condenser module (170).

Description

Modular refrigeration cassette
The cross reference of related application
Quoted that on March 18th, 2005 submitted and title is the U.S. Provisional Application No.60/663 of " being used for the modular refrigeration cassette design of refrigerated merchandisers ", 112 and the application require its priority and rights and interests, the application combines the full content of this provisional application by reference.
The application with assign to the application's commonly-assigned us and relevant to the following application that United States Patent (USP) trademark office submits on the same day with the application:
Title is the international patent application serial number No.PCT/US05/ (attorney docket No.210_817PCT) of " refrigerated merchandisers ";
Title is the international patent application serial number No.PCT/US05/ (attorney docket No.210_816PCT) of " sealing system that is used for refrigerating box ";
Title is the international patent application serial number No.PCT/US05/ (attorney docket No.210_879PCT) of " modular refrigeration cassette with condensate evaporative tray ";
Title is the international patent application serial number No.PCT/US05/ (attorney docket No.210_818PCT) of " bottom deck assembly that is used for refrigerated merchandisers "; And
Title is the international patent application serial number No.PCT/US05/ (attorney docket No.210_819PCT) of " evaporator fan/motor sub-assembly mounting bracket ".
The application's its full content by reference combines each listed patent application of front.
Invention field
The present invention is broadly directed to refrigerated merchandisers, and more specifically relates to a kind of refrigerated merchandisers that is loaded in the refrigeration unit in the compartment of separating with the refrigerated interior display space of refrigerator that comprises.
Background of invention
Refrigerated merchandisers has the refrigeration system related with it so that the refrigerated interior display space in being limited to the cupboard of refrigerated merchandisers provides cooler environment.The refrigeration system of this refrigerated merchandisers is general to be adopted well-known Kano kind of refrigeration cycle and comprises evaporimeter and evaporator fan, condenser, condenser fan and compressor with the refrigerated interior display space operative association of refrigerator.In stand alone cabinets, compressor, condenser and condenser fan are housed in the equipment compartment of separating and isolating with the refrigerated interior display space of refrigerator.Refrigerant lines connects compressor, condenser and evaporimeter in a conventional manner so that form the closed-loop path.Cold-producing medium passed through condenser and evaporimeter by compressor cycle before returning compressor.Air in the isolation refrigerated interior display space of refrigerator is in the evaporimeter of heat exchange relationship so that the cooling air by evaporator fan circulation process and cold-producing medium.Evaporimeter and evaporator fan can be arranged on the cooled interior of refrigerator, for example at an upper portion thereof in the zone.
Yet well-known evaporimeter and evaporator fan can also be housed in the equipment compartment of the part of the equipment compartment that is positioned at same compressor, condenser and condenser fan isolation.In other used, such refrigerated merchandisers can be at the supermarket, be used as the product display cases of refrigeration or frozen food in grocery store, gas station, convenience store and other retail division, as vending machine and as the cold drink vending machine.For example, cold drink (for example soft drink, beer, drinks cold drink etc.) generally in refrigerated merchandisers by the self-service purchase of consumer.Such conventional beverage vending machine comprises the isolation cabinet of the glass door that limits the one or more inlets that are provided to this product display space of having of refrigerated interior display display space.Normally become jar or become the beverage products of bottle single or with on the shelf of six packaging and storings in the refrigerated display space of cupboard.In order to obtain your drink, the consumer opens a door and stretches in the refrigerator so that take out required product from shelf.
For example, disclose in U.S. Patent No. 5347827, No.5402654, No.5417079 and No.5417081 by people such as Rudick and be equipped with the refrigerated merchandisers that is arranged on the refrigeration unit below the refrigerator.In these refrigerated merchandisers, upwards flow through the back wall of flow duct from equipment compartment from the refrigerated air of refrigeration unit, and flow towards the front portion of cupboard, and flow to the chassis of product display region from the front portion of cupboard downwards along the roof of cupboard along cupboard.Refrigerated air can also flow through flow duct is entered product display region with a plurality of openings in the panel of product display region separation from the back.The air that turns back to through connecting the cupboard chassis from the refrigerated air of product display region returns inlet Returning equipment compartment, enters the upstream of evaporator refrigeration unit at this.
Wherein disclosed refrigeration unit comprises evaporimeter, condenser and the compressor that is configured in jointly on the pedestal, and base supports is being attached on a plurality of slide plates (skid) of base bottom.Compressor and condenser are positioned on the front portion of pedestal, and separate by the vertical clapboard and the evaporimeter that are arranged at therebetween.Evaporimeter is arranged on the top of collection from the evaporation of water device dish of the air setting by evaporimeter.The water of collecting flows out to the shallow condenser pan that is positioned on the pedestal chassis from evaporator plate in the condenser fan exhaust pathway, from the hot-air of condenser fan discharging thus above condenser pan by and evaporation be collected in wherein water.
Refrigerated interior display space is had in the separated wall from equipment compartment in the refrigerated merchandisers of air duct, during operation, run duration or between the delivery period unexpected liquid or other pollutant that overflows can enter refrigeration unit.The overflowing liquid that flows to refrigeration unit through air intake from product display zone can be made dirty or otherwise damage refrigeration unit components such as evaporimeter heat exchange coil, motor and fan.Overflowing liquid can also damage and connect the surface that refrigeration unit limits air flow path.The liquid overflow can come from that product in the product display zone breaks, cleaning and attended operation or condensation.
Exist box wherein is suitable for handling overflowing liquid and condensate and does not damage the demand of the refrigeration cassette on refrigeration unit components or surface.Refrigeration cassette also should adapt to and make things convenient for the use of modular refrigeration unit components.
Summary of the invention
An object of the present invention is to provide a kind of refrigeration cassette (refrigeration cassette) with improved reliability and applicability (serviceability).
The purpose of one aspect of the invention provides a kind of refrigeration cassette that is suitable for discharging the liquid overflow from flimsy refrigeration unit components.
The purpose of one aspect of the invention provides a kind of refrigeration cassette that combines the lining with the contoured surface that is used to improve air-flow.
The purpose of one aspect of the invention provides a kind of combining by the refrigeration cassette with lining that improved chemoresistance material makes.
The purpose of one aspect of the invention provides a kind of refrigeration cassette that is suitable for adapting to and making things convenient for the modular refrigeration unit components use.
Refrigerated merchandisers with cupboard provides modular refrigeration cassette, and this cupboard has to be used for accommodating under cold storage environment plans the refrigerated interior space of the product selected for the consumer.Refrigeration cassette be arranged to equipment compartment in the inner space operative association, this equipment compartment is separated by common wall and refrigerated interior space.Common wall has first opening that circulation of air is provided in it between refrigerated interior space and equipment compartment.Refrigeration cassette comprises roughly box-shaped (box-like) structure that limits the inner space, this box structure have isolate with the first of the described first opening circulation of air and with described first and with the second portion of cupboard external environment condition fluid flow.In an embodiment, box structure comprises header board, backboard, pair of side plates and the substrate of common qualification inner space, and the space bar that extends between respective side panels is partitioned into corresponding first and second portion with the inner space in the described box structure.Evaporator module is arranged in the first.Condenser module and compressor are arranged in the second portion.Compressor and evaporator module and condenser module connect into the cold-producing medium circulation, so that by evaporator module and condenser module circularly cooling.This box structure optionally inserts and the separation instrumentation compartment.
Evaporator module can comprise housing, be arranged in the housing evaporator coil and with the evaporator coil operative association and be installed in evaporator fan/motor sub-assembly on the housing.Condenser module can comprise condenser coil and with the condenser fan/motor sub-assembly of condenser coil operative association.
Lining can be arranged in the first of inner space of refrigeration cassette, and it comprises the bowl-like depression that is suitable for receiving evaporator module.This lining can have the contoured surface that is used to reduce windage loss and can be made by plastics or other material with high relatively chemoresistance.
Brief Description Of Drawings
In order further to understand above-mentioned and other purpose of the present invention, with reference to follow-up detailed description of the present invention, this detailed description will be read in conjunction with the accompanying drawings, wherein:
Fig. 1 is the side cross-sectional view that is equipped with the refrigerated merchandisers of modular refrigeration cassette;
Fig. 2 is the side cross-sectional view along the line 2-2 of Fig. 1;
Fig. 3 is the perspective view of the embodiment of modular refrigeration cassette according to the present invention;
Fig. 4 is the side cross-sectional view of the described modular refrigeration cassette of Fig. 3;
Fig. 5 is the plan view along the cross section 5-5 of Fig. 4; And
Fig. 6 is the perspective view of lining (liner) embodiment that is used for the described modular refrigeration cassette of Fig. 3.
Detailed description of the invention
Specifically see figures.1.and.2 now, a kind of refrigeration cold drink vending machine (totally by Reference numeral 10 indications) has been described, it comprises and is used to hold product 110, the interior product display space 100 of for example bottled or canned soda water, milk, water, fruit juice, fruit beverage, beer and other beverage.Although present invention is described with reference to the described embodiment that refrigerates the cold drink vending machine, but be appreciated that the present invention is applicable to that other is used to display perishable and frozen foods and beverage, comprise meat for example, poultry, fish, daily product, the refrigeration display merchandiser of packing frozen foods and need remain on the other products under the controllable environment in advance.
Beverage dispenser 10 comprises accommodates refrigerated interior display display space 100 and separates setting and the cupboard 20 of the autonomous device compartment 55 of the isolation of conducting heat with refrigerated interior display display space 100.Cupboard 20 have roof 22 and comprise rear wall 34, antetheca 32 and the relative sidewall 36 that roughly vertically extends and 38 around side wall construction.Cupboard also comprise be set in place in refrigerated interior display display space 100 and the lower wall 24 between the equipment compartment below it 55.Interior product display space 100 can be carried out access from cupboard 20 outsides by access aperture, and this access aperture is the open area that is positioned at the cupboard front in described embodiment.As in described embodiment, this open area can be opened or be covered by at least one door 40 that is installed on the cupboard 20 to the external world.Door 40 is crossed over open areas and is extended and have a transparent observing zone, and face glass for example can be observed at least a portion of interior product display space 100 by viewing area.Door 40 can access interior product display space 100 be located so that carry out selectivity between the release position that the taking-up product is bought in closed position that covers the open area and consumer.Although the embodiment of described in the accompanying drawings display merchandiser 10 only has a door 40, should understand display merchandiser and can have common one, two, three or more doors that cover the open area when in the closed position.Door 40 can be installed on the cupboard 20 in a conventional manner, for example is installed to the track that is used on the hinge that pivot moves or is used for sliding between release position and closed position.
In described embodiment, that roof 22, lower wall 24, rear wall 34 and sidewall 36 and 38 are isolated for conducting heat so that refrigerated interior display space 100 is isolated with the external environment condition of interior product display space 100.A plurality of shelf 112 are arranged in the interior product display space 100.Shelf 112 are adjusted into and are suitable for supporting the specific products that display is sold.It doesn't matter and belong to the technical ability that those of ordinary skills select the specific products display for concrete quantity, arrangement and the configuration of shelf 112 and the present invention.
Provide from rear wall 34 inside rear boards 134 at interval so that part is set up refrigerated air service 104 between rear wall 34 and rear board 134.Interior product display space 100 in the refrigerated interior of showcase 20 is by roof 22, lower wall 24, sidewall 36,38 and limited by the part institute of rear wall 34 and rear board 134 respectively.In described embodiment, the refrigerated air part enters product display space 100 so that cool off the product that it displays by air outlet slit 109 and the part that is positioned at 104 upper ends, air supply pipe road by a plurality of openings 135 that are provided at rear board 134.Refrigerated air flows out product display space 100 by the opening that is provided in the lower wall 24.
Equipment compartment 55 is positioned at the cupboard 20 of lower wall 24 belows and is separated with the refrigerated interior display display space 100 of cupboard by lower wall 24.Lower wall 24 forms the common wall of refrigerated interior space and equipment compartment.This lower wall has the end face of the chassis that forms interior product display space or base plate and has towards the lower surface of the refrigeration unit cassette 50 that is housed in the refrigeration unit 15 in the equipment compartment.Refrigeration unit 15 comprises: comprise the evaporator coil 60 that is arranged in the shell 61 and the evaporator module 160 of at least one associated evaporator fan/motor sub-assembly 62; The condenser module 170 that comprises condenser coil 70 and at least one associated condenser fan/motor sub-assembly 72; And compressor 74.Evaporator coil 60 and associated evaporator fan/motor sub-assembly 62 thereof are housed in by in the first 53 of spaced walls 68 with the refrigeration unit cassette 50 of second portion 57 separations of refrigeration unit cassette 50, and condenser 70, its associated condenser fan/motor sub-assembly 72 and compressor 74 are housed in the second portion 57.The size of the first 53 of refrigeration unit cassette 50 is defined as the evaporator module with different load ability 1 60 of holding certain limit, and the size of the second portion 57 of refrigeration unit cassette 50 is defined as the condenser module with different load ability 170 of holding certain limit, guarantees that thus given box design can be used for the refrigeration load-bearing capacity of relative wide region.
Refer again to Fig. 3, Fig. 4 and Fig. 5 now, refrigeration unit cassette 50 comprises the box structure of the essentially rectangular that limits the inner space, the surrounding wall structure 56 that it has top flange (top flange) 52, substrate 54 and roughly vertically extends between top flange 52 and substrate 54, surrounding wall structure 56 is formed by header board 56A, backboard 56B and opposing sideplates 56C.Spaced walls 68 between the opposing sideplates 56C from the box 50 the forward direction zone extend to backboard 56B so that the inside of refrigeration unit cassette 50 is separated into above-mentioned first 53 and second portion 57.Condenser coil 70, its associated condenser fan/motor sub-assembly 72 and compressor 74 are installed on the substrate 54 on the chassis that forms cassette refrigeration 50.Condenser coil 70 and associated condenser fan/motor sub-assembly thereof can be installed on the public gripper shoe, and this gripper shoe is suitable for being installed on the substrate 54, forms condenser module 170 thus.Substrate 54 slidably is installed in the compartment 55 so that box 50 turnover compartments 55 thereby be convenient to the maintenance of the refrigerating equipment in it comprise with the different units form and take out or replace evaporator module 160 and condenser module 170.Can provide condensate tray 76 so that collect the condensate that drips from evaporator coil 60.Condensate tray 76 is as condensate evaporative tray, wherein, be collected in it condensate by when hot-air above condensate tray 76 by the time hot-air that flows out from condenser evaporate.
Evaporator coil 60, condenser coil 70 and compressor 74 are coupling in the closed-loop refrigerant circulation circuit (not shown) in a conventional manner so that by well-known Carnot cycle the air from product interior display space 100 is freezed.Condenser fan/motor sub-assembly 72 (normally single fan box motor) be operating as the opening 59 of (usually only when compressor 74 running) header board 56A by being provided at box 50 and above condenser coil 70 outside from refrigerated merchandisers 10 suck air, for example the preceding grid 12 in the following antetheca 32 through being provided at cupboard 20 is from its outside external environment.Pass through become the condenser coil 70 of heat exchange relationship at the cold-producing medium that therefrom passes through with compressor 74 effect along with extraneous air above, cold-producing medium is cooled and air is heated.After passing condenser coil 70, hot-air is discharged compartment 55 and is got back to external environment condition so that be formed on the exhaust passage 77 of first 53 belows in the rear portion through box 50 second portions 57.The portion of air of inhaling box 50 by condenser fan above compressor 74 by so that help cooling compressor.
The cold-producing medium of cooling is recycled to evaporator coil 60 from condenser coil 70 through the closed-loop refrigerant circulation circuit (not shown).Evaporator fan/motor sub-assembly 62 (can be single fan and motor or a plurality of fans that have associated motor) be operating as product display space 100 internally through the air of lower wall 24 return inlet opening 102 air is drawn into the first 53 (being also referred to as evaporator compartment) of refrigeration unit 50 and will make thus air above evaporator coil 60 by and return product display space 100 through refrigerated air service 104.Along with circulating air passes through above evaporator coil 60, along with become heat exchange relationship to pass through by compressor 74 circulation through the cooling refrigeration agent of evaporator coil 60, air is cooled, and cold-producing medium is heated and evaporate.The air outlet slit 108 that returns that evaporator fan 62 will pass the lower wall 24 of refrigerated air through being positioned at rear board 134 rear portions of evaporator coil 60 loops back refrigerated interior display display space 100 and enters refrigerated air service 104 from evaporator compartment 53.
Cover plate 120 can be arranged on concern at interval with basal wall 24 and with its super contiguous air intake 102 tops of returning, form flow channel thus between cover plate 120 and basal wall 24, the refrigerated air of returning from product display space 100 flows into air through this flow channel and returns inlet 102.Cover plate 120 covers air and returns inlet 102, make thus that along with the lower area of refrigerated air the refrigerated air of Zhi Xianging outwards flows so that the air that is passed in the lower wall 24 returns in the inlet 102 towards the surrounding wall of cupboard down below cover plate 120 near product display space 100.When doing like this, refrigerated air is returned in the inlet 102 to returning air so that cool off this product more equably and stop refrigerated air directly to be bled downwards by the product on the following shelf.Cover plate 120 also limits and is fed directly in the evaporator compartment 53 and make dirty evaporimeter and/or evaporator fan assembly from overflow in the product display space 100 or leakage.
In one embodiment, cover plate 120 comprises that the peripheral flange 126 that roughly vertically extends downwardly into basal wall 24 since then is so that the air that cover plate 120 is supported in the basal wall 24 returns inlet 102 tops.A plurality of circumferentially spaced openings 125 are provided on peripheral flange 126 will be connected to the air flow passage of the evaporator compartment 53 of refrigeration unit cassette 50 with the refrigerated interior space 100 that air returns 102 one-tenth circulation relationships of inlet so that form.
Space bar 68 has anterior 68A and rear portion 68B.The rear portion 68B of space bar 68 concerns and approximate horizontal extension thereon at interval with substrate 54 below evaporator assemblies, so that form path 77 in the rear portion of condenser compartment 57.Path 77 is formed the exhaust passage, and the hot-air that leaves condenser coil 70 flows out the external environment condition that the opening of equipment compartment 55 through being positioned at cupboard 20 backs arrives refrigerated merchandisers 10 through this exhaust passage.Condenser coil 70, its associated condenser fan/motor sub-assembly 72 and compressor 74 are installed to the front portion of substrate 54.The downward-sloping rear portion 68B with space bar 68 from the last forefoot area of condenser compartment 57 of the anterior 68A of space bar 68 intersects.When doing like this, between the anterior 68A of substrate 54 and space bar, limit the convergence path 73 that extends to the opening of exhaust passage 77 from the outlet of condenser coil 70.Assemble path 73 and effectively define the nozzle that is used for the condenser exhaust jet stream that passes through through it is accelerated to higher relatively speed, that is to say speed far above the condenser exhaust jet stream speed of leaving condenser module 170.The forward direction part 68A of space bar 68 is described as having two parts of different gradient.Yet, should understand if necessary, the forward direction part 68A of space bar 68 can have constant slope or or even curvilinear slope.
The drainage pipeline 89 of the condensate that evaporator coil 60 in the rear portion that is arranged on evaporator compartment 53 is dripped through connecting spaced walls 68 flow into evaporator compartment 53 belows and is arranged in the exhaust passage 77 so that collect in the condensate tray 76 of the condensate that drips from evaporator coil 60.Condensate tray 76 can be integrally formed in the substrate 54.For example, condensate tray 76 can be limited by the raised brim 78 that punching press as shown in Figure 4 and Figure 5 is formed in the substrate 54.As alternative, condensate tray 76 can be the absolute construction that is fastened on the substrate 54.For example, condensate tray 76 can be limited by punching press as shown in Figure 4 and Figure 5 or the raised brim 78 that otherwise are formed in the substrate 54.As alternative, condensate tray 76 can be the independent insert that is fastened on the substrate 54.In this case, condensate tray 76 can be formed by the material different with substrate, for example nonmetallic materials (for example ABS plastic) or by aluminium or other metal material punching press or otherwise form.
Condenser fan 72 sucks outside airs through condenser coil 70 and comes cold-producing medium is carried out condensation so that absorb heat from the cold-producing medium by condenser coil in a conventional manner.Along with by assembling path 73 and entering exhaust passage 77, the hot-air that leaves condenser 70 quickens.The condensate surface of high velocity, hot air in being collected in condensate tray 76 by exhaust passage 77 passed through.The high velocity characteristic of the hot-air by exhaust passage 77 has strengthened being collected in the evaporation of the condensate in the condensate tray 76, and this is because contact the increase of the evaporation rate of the condensate that causes with the enhancing of condensate owing to air.
Now specifically with reference to Fig. 3, Fig. 4 and Fig. 6, plastic lining 80 can be inserted in the evaporator compartment 53 so that prevent to form the chemical erosion that the metal sheet surface of the structure of refrigeration unit cassette 50 is not subjected to overflow or to flow into from product display region 100 liquid in this box.Plastic lining 80 is formed and is had around its flange 82 that circumferentially extends, in downward-sloping chassis 84 of its forward end and the bowl-like depression 86 that is positioned at its rear end.Plastic lining 80 form be configured in the 68 super contiguous compartment 53 of space bar in, simultaneously flange 82 is supported on the top flange 52 of box 50.Bowl-like depression 86 is suitable for receiving evaporator module 160, and it all is installed to one or more evaporator fan/motor sub-assemblies 62 on the evaporator shell 64 by bracing frame 66 by evaporimeter 60, housing 64 and each.For example, evaporator module 160 releasably is fastened to the sidewall 56C of lining 80 and/or refrigeration unit cassette 50 by bolt or screw.The size of bowl-like depression 86 is defined as the evaporator module with different load ability of holding certain limit, makes given refrigeration cassette can be used for the refrigeration load-bearing capacity of wide region thus.It should be understood that the nonplastic formable material that lining 80 can be had more chemoresistance and intensity by the metallic walls than refrigeration cassette 50 and be enough to support evaporator module forms, such as for example glass fibre.
The profile of plastic lining 80 be defined as have relative radius (generous radii) so that reduce along with refrigerated air from product display region 100 by evaporimeter 60 and the windage loss that enters refrigerated air service 104.In addition, can in the tilt chassis 84 of lining 80, form groove 88 so that collect and guiding is overflowed or flow into any liquid in the refrigeration unit cassette 50.
Sealing system is provided, it comprises and is positioned at the containment member 58 between lower wall 24 and the refrigeration unit cassette 50 and is used to make refrigeration unit cassette 50 to become the positioning devices 150 of sealing relationship with common wall, the lower wall 24 of common wall for refrigerated interior display display space 100 is separated with equipment compartment 55 in described embodiment.The circuitous evaporimeter 60 of refrigerated air that sealing system prevents to turn back to from product display space 100 refrigeration unit 15 returns inlet 102 arrival air supply pipe roads 104 and flow directly into inlet 108 from air.The sealing system prevents that also being drawn into air in lower wall 24 from the outside air of refrigeration unit cassette 50 outsides (for example outside air that has sucked by condenser 70 through preceding grid 12) returns to enter the mouth and 102 return in the refrigerated air of refrigeration unit 15.
Containment member 58 can be installed to around the opening 102 of lower wall 24 on the lower surface of lower wall 24, perhaps can be mounted or simply carried upon on the upper surface of top flange 52 of refrigeration unit cassette 50.As shown in Figure 3, containment member 58 gets around a mouthful 51A at least and extends to refrigeration cassette 50, substantially quite also circulation of the opening 102 in this opening and the lower wall 24.As shown in Figure 3, containment member 58 can also extend around being provided at opening 51A rear opening 51B, opening 51B open with lower wall 24 in opening 108 circulations.In described embodiment, containment member 58 adopts the rectangular frame form with the cross member 58A that extends along housing 64 tops of evaporator module 60 of extending along top flange 52.
The one or more compressible seal member that provide on the refrigeration unit cassette 50 can be provided containment member 58, when the operation owing to positioning devices 150 raises cassette refrigeration 50 in compartment 55, and relative lower wall 24 compressions of this compressible seal member.Yet, containment member 58 can also comprise one or more non-compressible seal member, for example contact seal, the corresponding apparent surface of itself and refrigeration unit cassette and common wall that refrigerated interior space is separated with equipment compartment cooperate and around wherein respective openings so that required seal arrangement is provided when cassette refrigeration 50 is positioned to therebetween containment member 58 of clamping by the operation of boost device 150.
In this application with reference to for purpose of explanation and the one exemplary embodiment that is described in the drawings for the ease of understanding the present invention refrigerating box of the present invention is described.Those skilled in the art can make amendment to described embodiment under the situation that does not break away from the spirit and scope of the present invention, and wherein some modification hints hereinbefore.

Claims (20)

1. refrigeration cassette that is used to have the refrigerated merchandisers of cupboard, described cupboard has to be used for accommodating under cold storage environment plans the refrigerated interior space of the product selected for the consumer, described refrigeration cassette be arranged to equipment compartment in described inner space operative association, described equipment compartment is separated by common wall and described refrigerated interior space, and described common wall has first opening that circulation of air is provided in it between described refrigerated interior space and described equipment compartment; Described refrigeration cassette comprises:
Limit the roughly box structure of inner space, described inner space have isolate with the first of the described first opening air communication and with described first and with the second portion of the external environment condition fluid flow of described cupboard;
Be arranged on the evaporator module in the described first;
Be arranged on the condenser module in the described second portion; And
With the compressor that described evaporator module and described condenser module become the cold-producing medium circulation to be connected, described compressor is used for carrying out circularly cooling by described evaporator module and described condenser module;
Described box structure optionally inserts and breaks away from described equipment compartment.
2. refrigeration cassette according to claim 1, it is characterized in that, described evaporator module comprises housing, be arranged in the described housing evaporator coil and with described evaporator coil operative association and be installed to evaporator fan/motor sub-assembly on the described housing.
3. refrigeration cassette according to claim 1 is characterized in that, described condenser module comprise condenser coil and with the condenser fan/motor sub-assembly of described condenser coil operative association.
4. refrigeration cassette according to claim 1 is characterized in that, described refrigeration cassette further comprises the lining in the described first of the described inner space that is arranged on described box structure; Described lining comprises the bowl-like depression that is suitable for receiving described evaporator module.
5. refrigeration cassette according to claim 4 is characterized in that, described lining comprises the rear portion that downward-sloping hypocrateriform is anterior and have bowl-like depression.
6. refrigeration cassette according to claim 5 is characterized in that, described lining has in order to reduce the contoured surface of windage loss.
7. refrigeration cassette according to claim 4 is characterized in that described lining is made by the material with high relatively chemoresistance.
8. refrigeration cassette according to claim 4 is characterized in that described lining is made by plastic material.
9. refrigeration cassette that is used to have the refrigerated merchandisers of cupboard, described cupboard has to be used for accommodating under cold storage environment plans the refrigerated interior space of the product selected for the consumer, described refrigeration cassette be arranged to equipment compartment in described inner space operative association, described equipment compartment is separated by common wall and described refrigerated interior space, and described common wall has first opening that circulation of air is provided in it between described refrigerated interior space and described equipment compartment; Described refrigeration cassette comprises:
Box structure roughly limits header board, backboard, pair of side plates and the substrate of inner space jointly;
Between the respective side panels of described pair of side plates, extend so that the described inner space in the described box structure is partitioned into the spaced walls of first and second portion, described first and the described first opening circulation of air, described second portion and described first isolate and with the external environment condition fluid flow of described cupboard;
Be arranged on the evaporator module in the described first;
Be arranged on the condenser module in the described second portion; And
With the compressor that described evaporator module and described condenser module become the cold-producing medium circulation to be connected, described compressor is used for carrying out circularly cooling by described evaporator module and described condenser module;
Described box structure optionally inserts and breaks away from described equipment compartment.
10. refrigeration cassette according to claim 9, it is characterized in that, described evaporator module comprises housing, be arranged in the described housing evaporator coil and with described evaporator coil operative association and be installed at least one evaporator fan/motor sub-assembly on the described housing.
11. refrigeration cassette according to claim 9 is characterized in that, described condenser module comprise condenser coil and with the condenser fan/motor sub-assembly of described condenser coil operative association.
12. refrigeration cassette according to claim 9 is characterized in that, described refrigeration cassette further comprises the lining in the described first of the described inner space that is arranged on described box structure; Described lining comprises the bowl-like depression that is suitable for receiving described evaporator module.
13. refrigeration cassette according to claim 9 is characterized in that, described lining comprises the rear portion that downward-sloping hypocrateriform is anterior and have bowl-like depression.
14. refrigeration cassette according to claim 13 is characterized in that, described lining has the contoured surface that is used to reduce windage loss.
15. refrigeration cassette according to claim 12 is characterized in that, described lining is made by the material with high relatively chemoresistance.
16. refrigeration cassette according to claim 12 is characterized in that, described lining is made by plastic material.
17. the refrigerated merchandisers with refrigerated interior space comprises:
Cupboard with a plurality of walls that limit described inner space;
By one in described a plurality of cupboard walls refrigeration unit compartment as common wall and the separation of described inner space;
Be positioned at the opening that described common wall provides air to return inlet, described air returns inlet and has set up the flow channel that arrives described compartment from described inner space through described common wall;
Alternative navigates in the described refrigeration unit compartment and breaks away from the refrigeration cassette of described refrigeration unit compartment, described refrigeration cassette has header board, backboard, pair of side plates and substrate so that form the box structure that limits the inner space, and described refrigeration cassette has the spaced walls that described inner space is partitioned into first and second portion, described first and described air return the inlet circulation of air, described second portion and described first isolate and with the external environment condition fluid flow of described cupboard;
Be arranged on the evaporator module in the described first;
Be arranged on the condenser module in the described second portion; And
With the compressor that described evaporator module and described condenser module become the cold-producing medium circulation to be connected, described compressor is used for carrying out circularly cooling by described evaporator module and described condenser module.
18. refrigerated merchandisers according to claim 17, it is characterized in that, described evaporator module comprises housing, be arranged in the described housing evaporator coil and with described evaporator coil operative association and be installed at least one evaporator fan/motor sub-assembly on the described housing.
19. refrigerated merchandisers according to claim 18, it is characterized in that, described condenser module comprise condenser coil and with the condenser fan/motor sub-assembly of described condenser coil operative association, described condenser coil is installed on the common base on the described substrate that is suitable for being installed to described refrigeration cassette.
20. refrigerated merchandisers according to claim 17, it is characterized in that, described evaporator module comprises housing, be arranged in the described housing evaporator coil and with described evaporator coil operative association and be installed to a plurality of evaporator fan/motor sub-assemblies on the described housing.
CNA2005800491479A 2005-03-18 2005-09-16 Modular refrigeration cassette Pending CN101160078A (en)

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CN106949695A (en) * 2012-03-22 2017-07-14 B/E航空公司 Vehicles refrigeration plant with steam circulation
CN104395681A (en) * 2012-04-10 2015-03-04 爱尔兰浓缩加工公司 Hybrid refrigerator using two step cooling process
CN104482698A (en) * 2014-12-02 2015-04-01 四川长虹电器股份有限公司 Split refrigerating appliance
CN104482698B (en) * 2014-12-02 2016-09-07 四川长虹电器股份有限公司 Separating refrigerating utensil
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CN110160299A (en) * 2019-05-29 2019-08-23 天津大学 It is a kind of can independent ice making modular artificial ice stadium

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WO2006101514A1 (en) 2006-09-28
US20060207278A1 (en) 2006-09-21
KR20070032655A (en) 2007-03-22
MX2007011446A (en) 2007-10-15
CA2565526A1 (en) 2005-09-28
RU2007138619A (en) 2009-04-27
EP1858376A4 (en) 2009-05-06
EP1859210A1 (en) 2007-11-28
KR100841526B1 (en) 2008-06-25
CA2600943A1 (en) 2006-09-28
RU2007138616A (en) 2009-04-27
EP1859210A4 (en) 2009-05-06
AU2005329417A1 (en) 2006-09-28
WO2006101515A1 (en) 2006-09-28
BRPI0511247A (en) 2007-11-27
BRPI0520158A2 (en) 2009-09-15
US20060207277A1 (en) 2006-09-21
AU2005329416A1 (en) 2006-09-28
CN1954182A (en) 2007-04-25
MXPA06013427A (en) 2007-06-19
KR20070111530A (en) 2007-11-21
EP1858376A1 (en) 2007-11-28

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