CN107456000A - A kind of large-scale frozen food showcase Temperature Distribution adjusting means and its adjusting method - Google Patents
A kind of large-scale frozen food showcase Temperature Distribution adjusting means and its adjusting method Download PDFInfo
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- CN107456000A CN107456000A CN201710845055.6A CN201710845055A CN107456000A CN 107456000 A CN107456000 A CN 107456000A CN 201710845055 A CN201710845055 A CN 201710845055A CN 107456000 A CN107456000 A CN 107456000A
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- pearl
- medium
- liquid medium
- density
- showcase
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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
-
- 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
- F25D23/00—General constructional features
- F25D23/003—General constructional features for cooling refrigerating machinery
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention discloses a kind of large-scale frozen food showcase Temperature Distribution adjusting means and its adjusting method; the technical problem of solution is the inhomogeneities of frozen food showcase internal temperature field distribution under refrigeration unit stopped status; ensure display food quality, reduce because of the increased power consumption of the frequent start-stop of reach in freezer.The present invention includes shell, is provided with liquid medium in shell and freezes pearl, the described medium I for freezing pearl and including membrane structure and being coated in membrane structure.The present invention is used to be located at its bottom according to the evaporator of refrigerated display case, reach in freezer internal temperature field presents the low regularity of distribution of relative superiority or inferiority, obvious rule is varied with temperature by freezing bead density, realize its moving freely in liquid medium, showcase bottom cold is delivered at the top of showcase, realizes the uniformity regulation of showcase Temperature Distribution.
Description
Technical field
The present invention relates to Food Freezing and Cold Storage apparatus field, and in particular to a kind of large-scale frozen food showcase Temperature Distribution
Adjusting means and its adjusting method.
Background technology
Important realization rate of the Food Freezing and Cold Storage industry as food fresh keeping, with the improvement of people's living standards, right
The demand of fresh food quality is quickly grown in recent years.Food show case enormous amount in the whole country, it is cold in typical supermarket
Freeze refrigerating equipment power consumption and account for the 60% of total power consumption.And showcase is the major part of supermarket's consumption electric energy, its energy consumption accounts for surpassing
More than half of city's power consumption.The huge energy consumption of refrigerator display case have compressed the profit margin of supermarket, the section of refrigerator display case
It can run and seem more important.
Serious non-uniform temperature phenomenon in refrigerator display case be present.Due to self structure, evaporator is positioned at old
Row bottom of cabinet portion, temperature of lower in cabinet is caused to be less than upper temp, the food storage temperature difference is big.Particularly at showcase refrigeration system
When stopped status, because inner loop blower fan is out of service, showcase interior temperature distribution inhomogeneities is especially prominent.Temperature
The inhomogeneities of distribution causes the fluctuation of the frequent starting and food temperature of showcase refrigeration system.Prior art mainly uses
Optimize air curtain and refrigeration system to solve the problems, such as that in-cabinet temperature fluctuation and the temperature difference are larger.It can be optimized using optimization air curtain technology old
Row cabinet internal temperature field, but larger wind speed had both added the power consumption of equipment, caused food water to reduce the quality brought again
Decline.Refrigeration system is optimized, can solve the problems, such as food temperature fluctuation, but without effectively solution food product temperature
The problem of spending skewness.
The content of the invention
The technical problem to be solved in the present invention is frozen food showcase internal temperature field under refrigeration unit stopped status
The inhomogeneities of distribution, ensure display food quality, reduce because of the increased power consumption of the frequent start-stop of reach in freezer, there is provided be a kind of internal
Uniform distribution of temperature field, the large-scale frozen food showcase Temperature Distribution tune for ensureing food quality, reducing reach in freezer equipment energy consumption
Regulating device and its adjusting method.
In order to solve the above technical problems, the present invention uses following technical proposals：A kind of large-scale frozen food showcase temperature
Profile adjustment device, including shell, shell is interior to be provided with liquid medium and freezes pearl, and the described pearl that freezes includes membrane structure
With the liquid medium being coated in membrane structure.
Described liquid medium is alcohol water blend, and described membrane structure is high fever coefficient higher than 62W/mK elasticity modelings
Expect film.
Described membrane structure is spherical or regular dodecahedron structure.
Described liquid medium is calcium chloride water or sodium-chloride water solution.
Described shell upper is provided with safety valve and service valve.
A kind of adjusting method of large-scale frozen food showcase Temperature Distribution adjusting means, comprises the following steps：1. will be outer
Shell is positioned in frozen food showcase, and liquid medium is placed with shell and freezes pearl；2. showcase bottom temp is relatively low
When, freeze the reduction of pearl temperature in liquid medium, freeze the liquid medium inside pearl and solid-state is progressively converted into by liquid, freeze
Bead up sub- global density to reduce, the position in liquid medium rises, and gradually rises up to liquid medium surface；3. freeze pearl
After rising to liquid medium surface, freeze pearl and absorb the heat being passed to by shell, freeze pearl and pass through itself contained cold
Shell is transmitted to showcase upper air；4. freeze after itself contained cold is transmitted to showcase upper air by pearl, to freeze
Pearl internal liquid medium gradually melts, and global density increase, sinks in liquid medium and is reduced to the bottom of liquid medium.
The described liquid medium for freezing pearl and including membrane structure and being coated in membrane structure.
Described medium is the change of density with temperature and changes and phase occurs in the range of -50 DEG C ~ -10 DEG C of operating temperature
The liquid of change；Liquid medium density reduces with the reduction of temperature, density；Liquid medium density is with the rise of temperature, density
Increase.
Density is more than the density of liquid medium when the liquid medium is in liquid, and density is less than liquid Jie during in solid-state
The density of matter.
The evaporator that the present invention is used for refrigerated display case is located at its bottom, and reach in freezer internal temperature field presents low point of relative superiority or inferiority
Cloth rule.By freezing bead density variation with temperature rule, its moving freely in liquid medium is realized, by showcase
Bottom cold is carried to top, realizes the uniformity regulation of showcase Temperature Distribution.Solve in large-scale frozen food showcase
The problem of portion's thermo parameters method is uneven, for ensureing food quality, reducing reach in freezer equipment energy consumption has positive effect.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the structural representation that the present invention freezes pearl；
Fig. 3 is the structural representation that the present invention is installed on showcase；
Fig. 4 is the motion path schematic diagram that the course of work of the present invention freezes pearl.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not paid
Embodiment, belong to the scope of protection of the invention.
As shown in Figures 1 to 4, a kind of large-scale frozen food showcase Temperature Distribution adjusting means, including shell 3, shell 3
Interior to be provided with liquid medium 4 and freeze pearl 5, the described pearl 5 that freezes includes membrane structure 51 and is coated in membrane structure
Medium I52.Shell 3 is arranged to barrel property or a cubic form according to the structure of frozen food showcase.The present invention is independent dress
Put, be directly positioned over the regulation that temperature can be achieved inside refrigerated display case on demand；Its size and installation site can be according to old
Row cabinet inner space is adjusted flexibly.It is placed directly in the reach in freezer 6 that need to adjust thermo parameters method, as shown in Figure 3, you can
Realize the adjustment of temperature.The device can be additionally used in large-scale food product refrigeration storehouse occasion, and it can be used cooperatively in freezer capital construction wall, neither
Cool house internal space is wasted, ensures the uniform of freezer internal temperature again.Independent adjusting means can flexibly be installed on and need to adjust
In the showcase of whole Temperature Distribution.Installed after fixing, freeze dotted line institute in the motion path such as Fig. 4 of pearl inside device
Showing, it is floated up at the top of device after bottom of device absorbs cold, after absorbing the heat in the comparative high temperature air of top,
Return mechanism bottom again.And the air of showcase middle and upper part and freeze pearl heat exchange after, temperature reduce, progressively with bottom air temperature
Degree reaches unanimity, and has reached the purpose of regulation showcase interior temperature distribution.
Described medium I52 is alcohol water blend, and described membrane structure 51 is high fever coefficient higher than 62W/mK elasticity
Plastic foil.
Described membrane structure is spherical or regular dodecahedron structure.Spherical or regular dodecahedron structural area is larger, passes
Thermal effect is good.
Alcohol water blend density reduces with the reduction of temperature, density；Medium I52 density is with the rise of temperature, density
Increase.Membrane structure 51 is polymer material film, such as has the elastoplast film of high thermal conductivity coefficient, elastic good, membrane structure 51
Change with the change of medium I52 volumes, with the reduction of temperature, freeze after pearl interior media I52 density changes,
The transformation of solid-state and liquid also occurs for its state.Bead structure can be ensured by freezing the flexible membrane structure outside pearl
Completely.
Described liquid medium 4 is calcium chloride water or sodium-chloride water solution.Undersaturated calcium chloride water or chlorine
Change sodium water solution density with temperature and change unobvious, its freezing point is relatively low and has very big thermal inertia, begins in the range of 0 ~ -50 DEG C
Liquid is kept eventually, ensure that freezing pearl can rely on the change of autologous density to realize moving freely in liquid medium.Liquid
Medium does not freeze in showcase temperature range, keeps its liquid condition.It is responsible for transport cold, it is not responsible to produce.
The described top of shell 3 is provided with safety valve 1 and service valve 2.The setting of safety valve 1 prevents that pearl should be freezed larger
Volume Changes cause the deformation of shell of the present invention, and service valve 2 is used to overhauling and changing liquid medium and freezes pearl.
A kind of adjusting method of large-scale frozen food showcase Temperature Distribution adjusting means, comprises the following steps：1. will be outer
Shell 3 is positioned in frozen food showcase 6, and liquid medium 4 is placed with shell 3 and freezes pearl 5；2. showcase bottom temp
When relatively low, freeze the reduction of the temperature of pearl 5 in liquid medium 4, freeze the liquid medium I52 inside pearl 5 and progressively turned by liquid
Solid-state is turned to, freezes the reduction of the global density of pearl 5, the position in liquid medium 4 rises, and gradually rises up to liquid medium 4
Surface；3. freeze after pearl 5 rises to the surface of liquid medium 4, to freeze pearl and absorb the heat being passed to by shell 3, freeze pearl 5
Itself contained cold is transmitted to showcase upper air by shell 3；4. freeze pearl 5 itself contained cold is transmitted to it is old
After row cabinet upper air, freeze the internal liquid medium I52 of pearl 5 and gradually melt, global density increase, in liquid medium 4 under
Sink and be reduced to the bottom of liquid medium.The present invention is located at its bottom, reach in freezer inside temperature due to the evaporator of refrigerated display case
Present the low regularity of distribution of relative superiority or inferiority in degree field.By freezing bead density variation with temperature rule, realize it in liquid medium
Move freely, by showcase bottom cold be carried to top, realize showcase Temperature Distribution uniformity regulation.
The described medium I52 for freezing pearl 5 and including membrane structure 51 and being coated in membrane structure.
Described medium I52 is the change of density with temperature and changes and sent out in the range of -50 DEG C ~ -10 DEG C of operating temperature
The liquid of raw phase transformation；Medium I52 density reduces with the reduction of temperature, density；Medium I52 density is close with the rise of temperature
Degree increase.
Density is more than the density of liquid medium 4 when the medium I52 is in liquid, and density is small when medium I52 is in solid-state
In the density of liquid medium 4.Medium I52 can be adjusted with the concentration of medium 4 by operating temperature range, meet variable density demand.
With temperature change, freeze bead density change, allow to freeze any position that pearl is located at liquid medium.When
When the bottom temp of shell 3 is relatively low, freezes the reduction of pearl temperature, freeze the liquid medium I52 inside pearl 5 and progressively converted by liquid
For solid-state, density reduces, and freezes pearl and floats at the top of liquid medium；Freeze pearl after apical sink heat, temperature rise,
Freeze the liquid medium I52 inside pearl 5 progressively by it is solid state transformed be liquid, density increase, be deposited on liquid medium bottom.
Medium I52 realizes that it freely rises in liquid medium 4 by the relation of its density and the density of liquid medium 4
With decline, the heat exchange of simultaneous and extraneous air, without consuming the extra energy.Medium I52 and liquid medium 4
Density needs to match by correlation computations, adapts to no temperature range.
Claims (9)
- A kind of 1. large-scale frozen food showcase Temperature Distribution adjusting means, it is characterised in that：Including shell（3）, shell（3）It is interior Provided with liquid medium（4）With freeze pearl（5）, described freezes pearl（5）Including membrane structure（51）Be coated on membranaceous knot Medium I in structure（52）.
- 2. large-scale frozen food showcase Temperature Distribution adjusting means according to claim 1, it is characterised in that：Described Medium I（52）For alcohol water blend, described membrane structure（51）It is higher than 62W/mK elastoplast films for high fever coefficient.
- 3. large-scale frozen food showcase Temperature Distribution adjusting means according to claim 2, it is characterised in that：Described Membrane structure is spherical or regular dodecahedron structure.
- 4. large-scale frozen food showcase Temperature Distribution adjusting means according to claim 1, it is characterised in that：Described Liquid medium（4）For calcium chloride water or sodium-chloride water solution.
- 5. large-scale frozen food showcase Temperature Distribution adjusting means according to claim 1, it is characterised in that：Described Shell（3）Top is provided with safety valve（1）And service valve（2）.
- 6. the regulation side of the large-scale frozen food showcase Temperature Distribution adjusting means according to claim any one of 1-5 Method, it is characterised in that comprise the following steps：1. by shell（3）It is positioned over frozen food showcase（6）In, shell（3）Interior placement There is liquid medium（4）With freeze pearl（5）；2. showcase bottom temp is relatively low, liquid medium（4）In freeze pearl（5） Temperature reduces, and freezes pearl（5）Internal medium I（52）Solid-state is progressively converted into by liquid, freezes pearl（5）Global density subtracts It is small, in liquid medium（4）In position rise, and gradually rise up to liquid medium（4）Surface；3. freeze pearl（5）Rise to Liquid medium（4）Behind surface, freeze pearl and absorb by shell（3）Incoming heat, freezes pearl（5）Itself contained cold is led to Cross shell（3）It is transmitted to showcase upper air；4. freeze pearl（5）Itself contained cold is transmitted to showcase upper air Afterwards, pearl is freezed（5）Interior media I（52）Gradually melt, global density increase, in liquid medium（4）Middle sinking is simultaneously reduced to The bottom of liquid medium.
- 7. the adjusting method of large-scale frozen food showcase Temperature Distribution adjusting means according to claim 6, its feature It is：Described freezes pearl（5）Including membrane structure（51）With the medium I being coated in membrane structure（52）.
- 8. the adjusting method of large-scale frozen food showcase Temperature Distribution adjusting means according to claim 7, its feature It is：Described medium I（52）It is the change of density with temperature and changes and occur in the range of -50 DEG C ~ -10 DEG C of operating temperature The liquid of phase transformation；Medium I（52）Density reduces with the reduction of temperature, density；Medium I（52）Density with the rise of temperature, Density increases.
- 9. the adjusting method of large-scale frozen food showcase Temperature Distribution adjusting means according to claim 7, its feature It is：The medium I（52）Density is more than liquid medium during in liquid（4）Density, medium I（52）Density during in solid-state Less than liquid medium（4）Density.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710845055.6A CN107456000B (en) | 2017-09-19 | 2017-09-19 | Temperature distribution adjusting device and method for large frozen food display cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710845055.6A CN107456000B (en) | 2017-09-19 | 2017-09-19 | Temperature distribution adjusting device and method for large frozen food display cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107456000A true CN107456000A (en) | 2017-12-12 |
| CN107456000B CN107456000B (en) | 2023-03-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710845055.6A Active CN107456000B (en) | 2017-09-19 | 2017-09-19 | Temperature distribution adjusting device and method for large frozen food display cabinet |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114296497A (en) * | 2021-04-10 | 2022-04-08 | 陈段明 | Energy consumption self-regulating temperature control device for freezing preservation |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003336950A (en) * | 2002-05-23 | 2003-11-28 | Hoshizaki Electric Co Ltd | Refrigerating show case device |
| CN201149408Y (en) * | 2008-07-08 | 2008-11-12 | 西安交通大学 | Combined shelf for refrigerated display case |
| US20140157619A1 (en) * | 2012-11-08 | 2014-06-12 | TekDry, LLC | Dryer for portable electronics |
| CN205158520U (en) * | 2015-11-19 | 2016-04-13 | 唐蓝君 | Freezing formula automatic vending machine |
-
2017
- 2017-09-19 CN CN201710845055.6A patent/CN107456000B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003336950A (en) * | 2002-05-23 | 2003-11-28 | Hoshizaki Electric Co Ltd | Refrigerating show case device |
| CN201149408Y (en) * | 2008-07-08 | 2008-11-12 | 西安交通大学 | Combined shelf for refrigerated display case |
| US20140157619A1 (en) * | 2012-11-08 | 2014-06-12 | TekDry, LLC | Dryer for portable electronics |
| CN205158520U (en) * | 2015-11-19 | 2016-04-13 | 唐蓝君 | Freezing formula automatic vending machine |
Non-Patent Citations (2)
| Title |
|---|
| 吴学红;王春煦;李伟平;张军;: "敞开式食品冷藏陈列柜研究进展" * |
| 陈奇;胡鹏辉;: "食品冷冻冷藏陈列柜若干问题的研究" * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114296497A (en) * | 2021-04-10 | 2022-04-08 | 陈段明 | Energy consumption self-regulating temperature control device for freezing preservation |
| CN114296497B (en) * | 2021-04-10 | 2022-09-27 | 安徽美乐柯制冷空调设备有限公司 | Energy consumption self-regulating temperature control device for freezing preservation |
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| CN107456000B (en) | 2023-03-17 |
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