CN201527147U - Fresh keeping storage in micro difference pressing jack type - Google Patents

Fresh keeping storage in micro difference pressing jack type Download PDF

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Publication number
CN201527147U
CN201527147U CN200920250205XU CN200920250205U CN201527147U CN 201527147 U CN201527147 U CN 201527147U CN 200920250205X U CN200920250205X U CN 200920250205XU CN 200920250205 U CN200920250205 U CN 200920250205U CN 201527147 U CN201527147 U CN 201527147U
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China
Prior art keywords
storage
fresh
isolation
keeping
temperature
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Expired - Fee Related
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CN200920250205XU
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Chinese (zh)
Inventor
朱志强
张平
李江阔
王世军
任朝晖
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National Engineering Technology Research Centre for Preservation of Agricultural Products Tianjin
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National Engineering Technology Research Centre for Preservation of Agricultural Products Tianjin
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Priority to CN200920250205XU priority Critical patent/CN201527147U/en
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Publication of CN201527147U publication Critical patent/CN201527147U/en
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  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)

Abstract

The utility model relates to a fresh keeping storage in micro difference pressing jack type, wherein return wind isolation layers divided by vertical isolation wall boards are adhered to three walls in the storage, a top isolation grid board is provided on the top of the storage space outside the return wind isolation layer, a static pressure layer chamber is provided above the top isolation grid board, the space of the fresh-keeping storage under the top isolation grid board is a storage chamber, a refrigerating evaporator and an auxiliary wind fan are assembled on the isolation board of the static pressure layer chamber above the top isolation grid board close to the return wind isolation layer chamber, and a return wind slit is provided on the isolation wall board beneath the return wind isolation layer. The fresh keeping storage improved in such a structure is mainly used for storage and fresh-keeping of various kinds of fruits and vegetables under precise condition of storage temperature, the temperature difference at different position in the storage is less than 0.3 DEG C or lower, the cold air has uniform flow direction, uniform flow speed, nearly without affecting the utilization of the storage volume of the original fresh keeping storage.

Description

A kind of elementary errors is pressed the jacket type fresh-keeping warehouse
Technical field
The inventive method belongs to fresh-keeping warehouse makes, and particularly a kind of elementary errors is pressed the jacket type fresh-keeping warehouse.
Background technology
Increase year by year in China's miniature fresh-keeping storehouse quantity at present, and this storehouse whole agricultural product such as fresh and alive fruits and vegetables of storage more than 80%, for the supply the market of regulating fresh and alive fruits and vegetables, promote the logistics development, keep the fruits and vegetables producer to increase income all having played positive effect.But fresh and alive fruit vegetables storing temperature requirement is very strict, and irrational temperature can cause ruining of the product of storing.Temperature is too high or temperature fluctuation is excessive (>1 ℃), causes fruits and vegetables self respiratory intensity to strengthen, and quickens senescence process, and rotting rate increases, and temperature is low excessively, causes fruit and vegetable food to produce to damage to plants caused by sudden drop in temperature, freeze injury, and final storage failure causes the tremendous economic loss for the storage family.
Evaporimeter all adopts air-cooled evaporimeters (the part southern area adopts the water-cooled evaporimeter) in the current miniature fresh-keeping storehouse, make to form forced draft in the storeroom fruits and vegetables are cooled off, by forced draft make that temperature regime tends towards stability in the refrigerating chamber, unified.But because the supporting not science of evaporimeter factors such as (condensation area, air output, defrosting) being provided with, storage goods put unreasonable, often cause in the storage each position temperature deviation very big, after tested the temperature difference the highest can>4 ℃, fruits and vegetables as storage are in this storage for a long time, cause the failure of storage unavoidably.How to control the storage indoor temperature is the key content that fresh-keeping warehouse is built producer's research always, and uniformity, the stability that improves each position temperature in the storeroom also is the key content of research.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of elementary errors to press the jacket type fresh-keeping warehouse, common miniature fresh-keeping storehouse can be transformed into the even and stable fruit vegetables storing storehouse of storage indoor temperature with this.On the basis in original miniature fresh-keeping storehouse, scrap build becomes temperature uniformity and the high elementary errors of stability to press the method for jacket type fresh-keeping warehouse with the coupling fraction by increasing the part material, solve the excessive realistic problem of the inner megadyne temperature degree deviation of storeroom, the quality of preserving fruits and vegetables is had certain guarantee.
Technology contents of the present invention is:
A kind of elementary errors is pressed jacket type miniature fresh-keeping storehouse, it is characterized in that: close three sidewalls in fresh-keeping warehouse are with the return air interlayer (8) that is partitioned into by vertical partition plate (2,4), top grid plate (3) is arranged at the top in the fresh-keeping warehouse space beyond the return air interlayer, its grid plate top, top is static pressure floor chamber (7), the fresh-keeping warehouse space of grid plate below, top is storeroom (6), and refrigerating evaporator (1) and accessory fan (5) are equipped with near on the partition plate of return air interlayer chamber in static pressure floor chamber, top grid plate top; On the partition plate of return air interlayer below the return air slit is arranged.
Effect of the present invention and advantage are: flow of cooled air direction unanimity, Flow Field Distribution are even in storeroom, eliminate temperature and air-flow dead angle in the storage space in the storehouse effectively, the excessive problem of the inner megadyne temperature degree deviation of storeroom, help preserving the storage quality of fruits and vegetables, as shown in Figure 5, transform back fresh-keeping warehouse temperature fluctuation value relatively mild (temperature difference≤0.3), and the fresh-keeping warehouse temperature fluctuation that Fig. 6 does not transform violent (temperature difference 〉=0.5 ℃).
Press the jacket type fresh-keeping warehouse to be mainly used in the preservation and freshness of the accurate temperature holding conditions of various fruits and vegetables with the elementary errors behind this structure of modification, storeroom different parts temperature difference<0.3 ℃, the flow of cooled air direction is even, and wind speed is even, influences former fresh-keeping warehouse storage hardly.
Description of drawings
Fig. 1 is that elementary errors is pressed jacket type fresh-keeping warehouse front section view
Fig. 2 is that elementary errors is pressed jacket type fresh-keeping warehouse side sectional view
Fig. 3 is airflow direction figure in the former miniature fresh-keeping storehouse
Fig. 4 is that elementary errors is pressed airflow direction figure in the jacket type fresh-keeping warehouse
Fig. 5 is transformed into elementary errors to press jacket type fresh-keeping warehouse temperature profile (temperature fluctuation value<0.3 ℃)
Fig. 6 is former miniature fresh-keeping storehouse temperature curve map
Specific implementation method:
A kind of elementary errors is pressed the jacket type fresh-keeping warehouse, it is characterized in that: close three sidewalls in fresh-keeping warehouse are with the return air interlayer (8) that is partitioned into by vertical partition plate (2,4), top grid plate (3) is arranged at the top in the fresh-keeping warehouse space beyond the return air interlayer, its grid plate top, top is static pressure floor chamber (7), the fresh-keeping warehouse space of grid plate below, top is storeroom (6), and refrigerating evaporator (1) and accessory fan (5) are equipped with near on the partition plate of return air interlayer chamber in static pressure floor chamber, top grid plate top; On the partition plate of return air interlayer below the return air slit is arranged.
Press the original miniature fresh-keeping of jacket type fresh-keeping warehouse structure of modification storehouse by this elementary errors, promptly on the basis in original miniature fresh-keeping storehouse, increase chuck return air interlayer is installed, i.e. top interlayer, wall interlayer, and in the interlayer of top, accessory fan is installed.The top interlayer can be installed according to situation in the former storehouse, with 120m 3The storehouse be example, top interlayer board 3 is apart from former storehouse top 60~80cm, wall interlayer board 2 is apart from former wall 10~15cm, interlayer board 4 (making things convenient for the I﹠M of equipment) apart from about the former wall 35cm, wall interlayer 2 and 4 is apart from about the 15cm of ground.The start-stop of accessory fan 5 is changed by the difference of each position temperature in the storeroom to control.After the installation, refrigeration plant and accessory fan can make plenum chamber and storeroom that certain pressure differential is arranged after opening like this, and increased interlayer in the former storehouse, make the cold air flow path direction that refrigeration fan flows out in the former storehouse that variation take place, along the interlayer forced flow, after promptly flowing out from refrigeration fan 1, along the top interlayer to moving away from the blower fan direction, simultaneously owing to gravity reason and hydrostatic pressure, air-flow is along with the airflow hole of top interlayer 7 flows in the storeroom 6, make that airflow direction becomes Fig. 4 state by Fig. 3 state in the former storehouse, mandatory variation has taken place in airflow direction in this process.After air-flow enters storeroom, reserve refrigeration fan is got back in the return air slit from the jacket space between wall interlayer and the former storehouse body wall air intake along the wall interlayer on ground.Because the minute-pressure difference effect of plenum chamber and storeroom, cold wind form piston flow during toward current downflow, eliminate the dead band in the storage space storehouse in effectively, even temperature, wind speed Flow Field Distribution are compared in maintenance.Wherein top interlayer and wall interlayer play balanced ventilation and fixing return air direction function.
When preserving the fluctuations in indoor temperature value greater than the regulation required value, promptly open the fresh-keeping warehouse refrigeration plant, open accessory fan 5 simultaneously, in addition, exceed setting value (as 0.3) as storeroom inside megadyne temperature difference and then open air draught in the even static pressure layer of accessory fan, enter storeroom 6, make the storeroom temperature difference narrow down to design load, at this moment not necessarily open the refrigeration of refrigeration plant.This mini cold storage room is transformed elementary errors and is pressed jacket type fresh-keeping warehouse method specific implementation method to require to (with the volume is 120m 3Miniature storehouse be example):
Former storage is divided into three parts, i.e. storeroom 6, static pressure floor chamber 7, return air interlayer 8.As shown in Figure 1, 2.
Wall interlayer 2 materials can select for use plank, plastic plate etc. all can, its heat-insulating property is not done requirement.Wall interlayer 2 is apart from former wall heat-insulation layer 10~15cm, and interlayer board 4 is apart from about the former wall 35cm, and wall interlayer 2 and 4 is apart from about the 15cm of ground.
Top interlayer board 3 adopt the metallic plate of porous medias or other plate of material all can, but not isometric storehouse pore size differs (get by calculating), pushes up 60~80cm in former storehouse.
Accessory fan 5 is installed in the interlayer of top, and the air quantity of blower fan and blast can be decided according to former storage capacity is long-pending, and accessory fan is wanted parallel installation with evaporimeter 1, makes wind direction aspect unanimity.
At the storeroom different parts temperature precise sensors (0.1 ℃ of precision) is installed, and requires stability high, and different parts is established mounting points more in the storehouse.
Increase multi-point temp acquisition system (chip) at original fresh-keeping warehouse temperature controller, require to have the temperature difference and the writing function that calculates the each point temperature sensor.

Claims (1)

1. an elementary errors is pressed the jacket type fresh-keeping warehouse, it is characterized in that: close three sidewalls in fresh-keeping warehouse are with the return air interlayer (8) that is partitioned into by vertical partition plate (2,4), top grid plate (3) is arranged at the top in the fresh-keeping warehouse space beyond the return air interlayer, its grid plate top, top is static pressure floor chamber (7), the fresh-keeping warehouse space of grid plate below, top is storeroom (6), and refrigerating evaporator (1) and accessory fan (5) are equipped with near on the partition plate of return air interlayer chamber in static pressure floor chamber, top grid plate top; On the partition plate of return air interlayer below the return air slit is arranged.
CN200920250205XU 2009-11-12 2009-11-12 Fresh keeping storage in micro difference pressing jack type Expired - Fee Related CN201527147U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN200920250205XU CN201527147U (en) 2009-11-12 2009-11-12 Fresh keeping storage in micro difference pressing jack type

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Application Number Priority Date Filing Date Title
CN200920250205XU CN201527147U (en) 2009-11-12 2009-11-12 Fresh keeping storage in micro difference pressing jack type

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102506539A (en) * 2012-01-04 2012-06-20 天津商业大学 Cold damage prevention refrigeration house
CN103924790A (en) * 2014-04-14 2014-07-16 襄汾县侯临农业科技有限公司 Method for transforming old factory buildings into fresh keeping storehouses
CN107455449A (en) * 2017-07-18 2017-12-12 宁夏中玺枣业股份有限公司 The efficient tunnel differential pressure controlled atmosphere Pre-cooling equipment of Lingwu Long Jujube
CN110487013A (en) * 2019-07-01 2019-11-22 灏云(张家港)智能设备有限公司 A kind of freezer cold wind endless form

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102506539A (en) * 2012-01-04 2012-06-20 天津商业大学 Cold damage prevention refrigeration house
CN103924790A (en) * 2014-04-14 2014-07-16 襄汾县侯临农业科技有限公司 Method for transforming old factory buildings into fresh keeping storehouses
CN107455449A (en) * 2017-07-18 2017-12-12 宁夏中玺枣业股份有限公司 The efficient tunnel differential pressure controlled atmosphere Pre-cooling equipment of Lingwu Long Jujube
CN107455449B (en) * 2017-07-18 2020-07-07 天津绿新低温科技有限公司 Efficient tunnel differential pressure air-conditioning precooling equipment for Lingwu long jujubes
CN110487013A (en) * 2019-07-01 2019-11-22 灏云(张家港)智能设备有限公司 A kind of freezer cold wind endless form

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100714

Termination date: 20171112

CF01 Termination of patent right due to non-payment of annual fee