CN201418353Y - Ice-temperature freshness-preservation storehouse for fruits and vegetables - Google Patents
Ice-temperature freshness-preservation storehouse for fruits and vegetables Download PDFInfo
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- CN201418353Y CN201418353Y CN2009200967211U CN200920096721U CN201418353Y CN 201418353 Y CN201418353 Y CN 201418353Y CN 2009200967211 U CN2009200967211 U CN 2009200967211U CN 200920096721 U CN200920096721 U CN 200920096721U CN 201418353 Y CN201418353 Y CN 201418353Y
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Abstract
The utility model discloses an ice-temperature freshness-preservation storehouse for fruits and vegetables, and aims to provide an ice-temperature freshness-preservation storehouse for fruits and vegetables which has the advantages of high-precision control as well as extremely uniform wind field and temperature field, and can meet the requirements of ice-temperature storage. A storehouse body comprises a bottom-layer insulating layer, as well as an outer-layer insulating storehouse body and an inner-layer non-insulating storehouse body which are connected with the bottom-layer insulating layer, wherein an air interlayer serving as an air return passage is arranged between the inner-layer non-insulating storehouse body and the outer-layer insulating storehouse body, a plurality of cold airblowers which are connected in parallel for alternative work or defrosting are mounted in the air interlayer at the top part of the outer-layer storehouse body, a top air supply pore plate is arranged in the interior of the inner-layer storehouse body, a static pressure tank layer is formed between the top air supply pore plate and the top part of the inner-layer non-insulating storehouse body, aplurality of air return inlets are formed on the periphery of the bottom part of the non-insulating storehouse body, and temperature sensors are arranged below the static pressure tank layer and at the air return inlets. The utility model has the advantages that the temperature inside the ice-temperature freshness-preservation storehouse for fruits and vegetables is stable, the velocity field andthe temperature field are uniform, no impacts can be caused on temperature inside the storehouse during defrosting, the control accuracy is high, and the temperature fluctuation inside an empty storehouse is within plus or minus 0.3 degree.
Description
Technical field
The utility model relates to a kind of fruits and vegetables ice temperature fresh-keeping storehouse.
Background technology
Icetemperature Storage (hyo-on storage) be with food storage 0 ℃ with in the scope of separately chill point, be to belong to non-freezing to preserve, be the third generation preservation technique after refrigeration, CA storage.Long-term application shows: very fast during refrigeration because of food after-ripening, corrupt speed, can not realize the long term storage of food; Though freezing energy long term storage food because juice loss appears in food cell death when thawing, can not keep original local flavor of food.Icetemperature Storage can keep the intrinsic local flavor and the freshness of proper mature (ripe) fruits and vegetables long-term effectively, therefore can improve the value of commodity, ice-temperature technique in farming, hold, herd, extensively utilized in the fields such as the storage transportation of aquatic products and medical science, aspect fruit vegetables storing, the ice temperature fresh-keeping of pears, peach, winter jujube, grape, strawberry, red bayberry and valuable ingredient of traditional Chinese medicine etc. has all been obtained success.
In fact, owing to ice warm storage temperature relatively near the chill point temperature, temperature is out of control a little, organize just to begin to freeze, so the Icetemperature Storage specification requirement is very strict.Because the setting in ice temperate zone, control is difficulty, the specification requirement height invest greatlyyer, and the influence of the factors such as research and development hysteresis of the necessary accessories of suitable this technology has limited its development.Ice-temperature technique has obtained to develop by leaps and bounds as countries such as Japan, the U.S., Korea S only in minority developed country.In recent years, China also develops electronics and ices the warm equipment of ice such as warm incubator, ice temperature thickener, for Icetemperature Storage, ice warm cold chain, freezing point and regulate the popularization of preservation techniques such as storage, super ice temperature technical support is provided.
At present, mostly fruits and vegetables ice temperature fresh-keeping storehouse is to form by increasing circulating fan and hold-over plate transformation on the basis of original freezer, and the uniformity of storehouse flow field is relatively poor, and there are the dead angle in temperature and wind speed, is difficult to reach the requirement of ice temperature storage.And mostly the control of temperature fluctuation is to regulate or control by thermal compensation by compressor variable frequency, and converter technique control is comparatively complicated, and initial cost is also higher, and thermal compensation control method energy loss is too big.
The utility model content
The utility model is in order to overcome weak point of the prior art, and a kind of fruits and vegetables ice temperature fresh-keeping storehouse of high accuracy control is provided, and wind speed field and temperature field are all very even in the storehouse in, can satisfy the requirement that the ice temperature is stored.
The utility model is achieved through the following technical solutions:
A kind of fruits and vegetables ice temperature fresh-keeping storehouse, it is characterized in that, comprise refrigeration system and storehouse body, the storehouse body is provided with Ku Men, described storehouse body comprises the bottom heat-insulation layer, outer heat-preservation warehouse body that is connected with the bottom heat-insulation layer and the non-heat-preservation warehouse body of internal layer, between non-heat-preservation warehouse body of internal layer and outer heat-preservation warehouse body, be provided with air blanketing as return air channel, the air-cooler of the alternation of many parallel connections or defrosting is installed in the air blanketing at body top, outer storehouse in the refrigeration system, be provided with top air-supply orifice plate in body inside, internal layer storehouse, described top air-supply orifice plate is provided with the porous silk floss, between top air-supply orifice plate and the non-heat-preservation warehouse body of internal layer top, form the plenum chamber layer, be provided with a plurality of return air inlets in inside around the non-heat-preservation warehouse body bottom, reach the return air inlet place and be provided with temperature sensor respectively below the plenum chamber layer, described temperature sensor is connected with controller.
In the non-heat-preservation warehouse body of internal layer, the ultrasonic wave automatic humidifier is set.
Described refrigeration system comprises refrigeration compressor set, many air-coolers, liquid pump, heat exchanger, liquid reserve tank, the refrigerant outlet of described refrigeration compressor set is connected with the refrigerant inlet of heat exchanger, the back flow of refrigerant mouth of described refrigeration compressor set is connected with the refrigerant outlet of heat exchanger, the refrigerating medium outlet of heat exchanger is connected with the import of liquid pump, the outlet of liquid pump is connected with the import of triple valve, an outlet of triple valve is connected with the refrigerating medium import of air-cooler by supplying valve respectively, another outlet of triple valve is connected with the refrigerant inlet of liquid reserve tank, the refrigerating medium outlet back in parallel of every air-cooler is connected with the refrigerating medium import of liquid reserve tank, the refrigerating medium outlet of liquid reserve tank is connected with the refrigerating medium import of heat exchanger, in liquid reserve tank, be provided with temperature sensor, the temperature sensor in the liquid reserve tank, refrigeration compressor set, triple valve and a plurality of supplying valve, the blower fan of every air-cooler is connected with controller respectively.
Adopting with the journey system of air-cooler for the liquid back pipe road.Refrigerating medium is an ethylene glycol.
Be provided with deep bead at each air-cooler import and export, described deep bead comprises a plurality of baffle plates, and each baffle plate is rotatably connected with fixed bar respectively, closes air inlet or air outlet after a plurality of baffle combination.
The utlity model has following technique effect:
1. reach top layer around the fruits and vegetables ice temperature fresh-keeping of the present utility model storehouse and adopt the double-deck enclosed structure of forming by outer heat-preservation warehouse body and the non-heat-preservation warehouse body of internal layer, between the body of inside and outside layer storehouse air blanketing is arranged, the existence of air blanketing and the non-heat-preservation warehouse body of internal layer has increased the cold insulation ability of enclosed structure, the heat of external environment condition is by air blanketing and the blocking-up of internal layer storehouse body, can not directly import in the storehouse, so the stability of storehouse temperature improves greatly.
2. the air supply mode in fruits and vegetables ice temperature fresh-keeping of the present utility model storehouse adopts the top air-supply, return air inlet return air around the inner bottom part of storehouse, air-flow at first is blown into the plenum chamber layer from evaporimeter, in the plenum chamber layer, form bigger pressure, make air down send in the storehouse very uniformly, form uniform airflow, return air inlet from the storehouse inner bottom part enters air blanketing then, air-flow enters into the air-cooler air inlet, velocity field in the storehouse along the air blanketing layer chuck that return back to top that rise, the temperature field is all very even, there is not the dead angle to produce, and wind speed is very little in the storehouse, is generally less than 0.1m/s, and very little wind speed can significantly reduce the drying loss of fruit.
3. fruits and vegetables ice temperature fresh-keeping of the present utility model storehouse cold provisioning technique adopts the mode of many air-cooler parallel connections, promptly a cover refrigeration system provides cold for the air-cooler of many parallel connections, one or two above air-coolers are worked simultaneously during work, an air-cooler is in halted state or defrosting state, many intermittently defrostings of air-cooler, when air-cooler defrosting wherein, other outer air-coolers are still in work, the fluctuation of temperature when having avoided icing the defrosting of warm storehouse, make to keep temperature constant in the storehouse, help the storage of article.
4. adopting with the journey system for the liquid back pipe road of air-cooler, promptly the total length of every air-cooler feed pipe and liquid back pipe is identical, guarantees that feed flow is even between each air-cooler.
5. in the non-heat-preservation warehouse body of internal layer, the ultrasonic wave automatic humidifier is set, guarantees the humidity requirement of ice temperature storage.
6. be provided with deep bead at each air-cooler air inlet, in blower fan when work,, because the wind speed effect forms a plurality of baffle plates of deep bead and open automatically, when blower fan stopped, baffle plate was because air inlet is closed in the self gravitation effect, and the heat when preventing defrosting sheds.
7. adopting ethylene glycol is that the air-cooler storehouse in is supplied cold as refrigerating medium, regulate the flow of ethylene glycol according to the requirement of refrigeration duty in the storehouse, can make storehouse temperature keep stable by regulating the ethylene glycol flow, fluctuation is less than ± 0.3 ℃, compare energy-conservation about 20% with the high-precision temperature control system that assisted heating device has been installed, ratio control system is simple mutually with the compressor variable frequency adjusting, and initial cost is few.
Description of drawings
Fig. 1 is the cutaway view in the utility model fruits and vegetables ice temperature fresh-keeping storehouse;
Fig. 2 is the vertical view in the utility model fruits and vegetables ice temperature fresh-keeping storehouse;
Fig. 3 is the structural representation of the utility model fruits and vegetables ice temperature fresh-keeping storehouse refrigeration system;
Fig. 4 is the deep bead schematic diagram.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in detail.
The schematic diagram in the utility model fruits and vegetables ice temperature fresh-keeping storehouse as depicted in figs. 1 and 2, comprise refrigeration system and storehouse body, the storehouse body is provided with storehouse door 9, described storehouse body comprises bottom heat-insulation layer 8, the non-heat-preservation warehouse body 4 of outer heat-preservation warehouse body 1 that is connected with bottom heat-insulation layer 8 and internal layer, between non-heat-preservation warehouse body 4 of internal layer and outer heat-preservation warehouse body 1, be provided with air blanketing 2 as return air channel, the air-cooler 3 of the alternation of many parallel connections or defrosting in the refrigeration system is installed in the air blanketing at body top, outer storehouse, be provided with top air-supply orifice plate 6 in body inside, internal layer storehouse, top air-supply orifice plate 6 is provided with the porous silk floss, between top air-supply orifice plate and the non-heat-preservation warehouse body of internal layer top, form plenum chamber layer 5, be provided with a plurality of return air inlets 7 in inside around the non-heat-preservation warehouse body bottom, reach the return air inlet place and be provided with temperature sensor respectively below the plenum chamber layer, described temperature sensor is connected with controller.
In order to guarantee to ice the humidity requirement of temperature storage, in the non-heat-preservation warehouse body of internal layer, the ultrasonic wave automatic humidifier is set.
The schematic diagram of the refrigeration system that adopt in this fruits and vegetables ice temperature fresh-keeping storehouse as shown in Figure 3, comprise refrigeration compressor set 10, many air-coolers 3, liquid pump 12, heat exchanger 11, liquid reserve tank 14, the refrigerant outlet of refrigeration compressor set 10 is connected with the refrigerant inlet of heat exchanger 11, the back flow of refrigerant mouth of refrigeration compressor set is connected with the refrigerant outlet of heat exchanger, the refrigerating medium outlet of heat exchanger 11 is connected with the import of liquid pump 12, the outlet of liquid pump 12 is connected with the import of triple valve 13, an outlet of triple valve 13 is respectively by supplying valve 15, supplying valve 16, supplying valve 17 is connected with the refrigerating medium import of air-cooler 3, another outlet of triple valve 13 is connected with the refrigerant inlet of liquid reserve tank 14, the refrigerating medium outlet back in parallel of every air-cooler is connected with the refrigerating medium import of liquid reserve tank, and the refrigerating medium outlet of liquid reserve tank is connected with the refrigerating medium import of heat exchanger.Be provided with temperature sensor in liquid reserve tank, the blower fan of the temperature sensor in the liquid reserve tank, refrigeration compressor set, triple valve and a plurality of supplying valves, every air-cooler is connected with controller respectively, realizes control automatically by controller.Refrigeration compressor set 10 can be a water-cooled or air-cooled, and heat exchanger can be a plate type heat exchanger, also can be other forms of heat exchanger.Refrigerating medium in this refrigeration system is an ethylene glycol.
Adopting with the journey system for the liquid back pipe road of air-cooler, promptly to be connected to the total length of the feed pipe of triple valve 13 and the liquid back pipe that is connected to liquid reserve tank 14 identical with other air-cooler confession liquid back pipe total length for one of them air-cooler.
Refrigerating medium is delivered in the storehouse in the air-cooler 3 by liquid pump 12, and for cold is provided in the storehouse, refrigerating medium is at first got back to open type liquid reserve tank 14 after coming out from air-cooler, enters into heat exchanger 11 again, carries out heat exchange with cold-producing medium in the heat exchanger.The refrigerating medium flow that is transported in the storehouse is regulated by triple valve 13, to satisfy different refrigeration duty demands in the storehouse.
The intermittently defrosting of different air-cooler when air-cooler defrosting wherein, is closed with the supplying valve that this air-cooler is connected, and institute's configuration blower fan quits work, and other air-cooler is refrigeration work still, cold supply in the assurance storehouse.When Ruo Kunei was provided with n platform air-cooler, then the heat exchange area of She Ji (n-1) platform air-cooler can satisfy refrigeration duty demand in the storehouse, did not have temperature rise when guaranteeing defrosting.
When the air-cooler defrosting, its heat that comes out can influence the temperature of top, storehouse chuck layer, be head it off, be provided with deep bead respectively at each air-cooler air inlet and air outlet place, Fig. 4 is the deep bead schematic diagram, described deep bead comprises a plurality of baffle plates 18, and each baffle plate is rotatably connected with fixed bar 19 respectively, closes air inlet or air outlet after a plurality of baffle combination.In blower fan when work,, because the wind speed effect, deep bead is opened automatically, and when blower fan stopped, deep bead was because air inlet and air outlet are closed in the self gravitation effect, and the heat when preventing defrosting sheds.Arrange drainpipe below every air-cooler, defrosting water is discharged to outside the storehouse by drainpipe.
Refrigeration compressor set is carried out two formula start-stop controls.Controller detects the temperature of refrigerating medium in the liquid reserve tank 14 by temperature sensor, when the temperature of refrigerating medium in the liquid reserve tank 14 is higher than a certain setting value, refrigeration compressor set starts, and when the temperature of refrigerating medium in the liquid reserve tank 14 was lower than a certain setting value, refrigeration compressor set stopped.
Food is before entering fruits and vegetables ice temperature fresh-keeping storehouse and storing, putting into pre-freezer earlier is chilled to about 2 ℃ in advance, put into fruits and vegetables ice temperature fresh-keeping storehouse again, avoid directly the food of high temperature being put into fruits and vegetables ice temperature fresh-keeping storehouse and cause storehouse temperature to raise suddenly, influence food quality variation in the bunker.Air-flow at first is blown into the plenum chamber layer from air-cooler, in the plenum chamber layer, form bigger pressure, make air down send in the storehouse very uniformly, form uniform airflow, return air inlet from the storehouse inner bottom part enters air blanketing then, air-flow rises along air blanketing and backs on top, and enters into the air-cooler suction inlet.Velocity field, temperature field all very evenly do not have the dead angle to produce in the storehouse, and wind speed is very little in the storehouse, is generally less than 0.1m/s, can reduce the fruit drying loss greatly.
Fruits and vegetables ice temperature fresh-keeping of the present utility model Kuku body structure has proposed return air uniform air flow organizational technology around the static pressure air-supply of top, storehouse, the bottom, makes and can form very even velocity field and temperature field in the storehouse; The storehouse temperature precision Control Technology has been proposed, set up variable load cryogen flow feed flow, the intermittently defrosting of air-cooler cooling in parallel, the type of cooling in the storehouse of the novel cooling blower structure that import and export are closed automatically when multi-point temp FEEDBACK CONTROL and defrosting, formed simple and energy-conservation method for integrating technique than the accurate control of large space temperature, the ice Wen Ku that builds of technology has reached ± 0.3 ℃ of storehouse temperature fluctuation according to this, the space wind velocity gradient is less than 5% technical indicator, compare energy-conservationly about 20% with the high-precision temperature control system that assisted heating device has been installed, compare with compressor variable frequency control and to have saved initial cost.
Although special description has been carried out in disclosed a kind of fruits and vegetables ice temperature fresh-keeping storehouse that relates to reference to embodiment, embodiment described above is illustrative and not restrictive, under the situation that does not break away from spirit and scope of the present utility model, all variations and modification are all within scope of the present utility model.
Claims (6)
1, a kind of fruits and vegetables ice temperature fresh-keeping storehouse, it is characterized in that, comprise refrigeration system and storehouse body, the storehouse body is provided with Ku Men, described storehouse body comprises the bottom heat-insulation layer, outer heat-preservation warehouse body that is connected with the bottom heat-insulation layer and the non-heat-preservation warehouse body of internal layer, between non-heat-preservation warehouse body of internal layer and outer heat-preservation warehouse body, be provided with air blanketing as return air channel, the air-cooler of the alternation of many parallel connections or defrosting is installed in the air blanketing at body top, outer storehouse in the refrigeration system, be provided with top air-supply orifice plate in body inside, internal layer storehouse, described top air-supply orifice plate is provided with the porous silk floss, between top air-supply orifice plate and the non-heat-preservation warehouse body of internal layer top, form the plenum chamber layer, be provided with a plurality of return air inlets in inside around the non-heat-preservation warehouse body bottom, reach the return air inlet place and be provided with temperature sensor respectively below the plenum chamber layer, described temperature sensor is connected with controller.
2, fruits and vegetables ice temperature fresh-keeping according to claim 1 storehouse is characterized in that, in the non-heat-preservation warehouse body of internal layer the ultrasonic wave automatic humidifier is set.
3, fruits and vegetables ice temperature fresh-keeping according to claim 1 and 2 storehouse, it is characterized in that, described refrigeration system comprises refrigeration compressor set, many air-coolers, liquid pump, heat exchanger, liquid reserve tank, the refrigerant outlet of described refrigeration compressor set is connected with the refrigerant inlet of heat exchanger, the back flow of refrigerant mouth of described refrigeration compressor set is connected with the refrigerant outlet of heat exchanger, the refrigerating medium outlet of heat exchanger is connected with the import of liquid pump, the outlet of liquid pump is connected with the import of triple valve, an outlet of triple valve is connected with the refrigerating medium import of air-cooler by supplying valve respectively, another outlet of triple valve is connected with the refrigerant inlet of liquid reserve tank, the refrigerating medium outlet back in parallel of every air-cooler is connected with the refrigerating medium import of liquid reserve tank, the refrigerating medium outlet of liquid reserve tank is connected with the refrigerating medium import of heat exchanger, in liquid reserve tank, be provided with temperature sensor, the temperature sensor in the liquid reserve tank, refrigeration compressor set, triple valve and a plurality of supplying valve, the blower fan of every air-cooler is connected with controller respectively.
4, fruits and vegetables ice temperature fresh-keeping according to claim 3 storehouse is characterized in that, the adopting with the journey system for the liquid back pipe road of air-cooler.
5, fruits and vegetables ice temperature fresh-keeping according to claim 4 storehouse, it is characterized in that be provided with deep bead at each air-cooler import and export, described deep bead comprises a plurality of baffle plates, each baffle plate is rotatably connected with fixed bar respectively, closes air inlet or air outlet after a plurality of baffle combination.
6, fruits and vegetables ice temperature fresh-keeping according to claim 4 storehouse is characterized in that refrigerating medium is an ethylene glycol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200967211U CN201418353Y (en) | 2009-05-12 | 2009-05-12 | Ice-temperature freshness-preservation storehouse for fruits and vegetables |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009200967211U CN201418353Y (en) | 2009-05-12 | 2009-05-12 | Ice-temperature freshness-preservation storehouse for fruits and vegetables |
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| CN2009200967211U Expired - Lifetime CN201418353Y (en) | 2009-05-12 | 2009-05-12 | Ice-temperature freshness-preservation storehouse for fruits and vegetables |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102144655A (en) * | 2011-01-18 | 2011-08-10 | 深圳市杨林科技有限公司 | Fresh and alive agricultural product ice film freshness-retaining method |
| CN101551189B (en) * | 2009-05-12 | 2012-05-30 | 天津商业大学 | Ice-temperature vault |
| CN102972501A (en) * | 2012-12-13 | 2013-03-20 | 浙江海洋学院 | Ice-temperature fresh-keeping insulation can for large yellow croaker |
| CN103651762A (en) * | 2012-09-24 | 2014-03-26 | 天津市宏民微型保鲜冷库研究所 | Phase temperature controlled atmosphere fresh-keeping storehouse for fruits and vegetables |
| CN105910366A (en) * | 2016-05-18 | 2016-08-31 | 中国农业大学 | Special refrigerated cabinet for near-freezing-point refrigeration of fruits and vegetables and temperature control method for refrigerated cabinet |
| CN106652197A (en) * | 2016-12-28 | 2017-05-10 | 深圳市芯海互联技术有限公司 | Three-dimensional air supply system used for self-help meal selling machine |
| CN106766493A (en) * | 2017-01-16 | 2017-05-31 | 中国农业科学院农产品加工研究所 | Interlayer honeycomb airflow circulating ice-temp. fresh-preserving device |
| CN107047737A (en) * | 2017-01-23 | 2017-08-18 | 天津商业大学 | A kind of removable chain type fruit-vegetable differential pressure precooling device |
| CN108507260A (en) * | 2018-04-03 | 2018-09-07 | 乔玉环 | A kind of intelligent fresh-keeping warehouse of thermostatic control physiology freezing point temperature |
| CN108895751A (en) * | 2018-07-24 | 2018-11-27 | 华东交通大学 | Air-cooler device in a kind of freezing-cooling storeroom of novel refrigerant piping |
| CN110547127A (en) * | 2019-08-27 | 2019-12-10 | 广东富华机械装备制造有限公司 | Container for plant cultivation |
| CN111578577A (en) * | 2020-05-26 | 2020-08-25 | 珠海格力电器股份有限公司 | Fruit and vegetable fresh-keeping chamber and refrigerator |
-
2009
- 2009-05-12 CN CN2009200967211U patent/CN201418353Y/en not_active Expired - Lifetime
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101551189B (en) * | 2009-05-12 | 2012-05-30 | 天津商业大学 | Ice-temperature vault |
| CN102144655A (en) * | 2011-01-18 | 2011-08-10 | 深圳市杨林科技有限公司 | Fresh and alive agricultural product ice film freshness-retaining method |
| CN102144655B (en) * | 2011-01-18 | 2012-12-26 | 深圳市杨林科技有限公司 | Fresh and alive agricultural product ice film freshness-retaining method |
| CN103651762A (en) * | 2012-09-24 | 2014-03-26 | 天津市宏民微型保鲜冷库研究所 | Phase temperature controlled atmosphere fresh-keeping storehouse for fruits and vegetables |
| CN103651762B (en) * | 2012-09-24 | 2016-06-08 | 天津绿新低温科技有限公司 | Fruit vegetables temperature modified atmosphere fresh-keeping storage mutually |
| CN102972501A (en) * | 2012-12-13 | 2013-03-20 | 浙江海洋学院 | Ice-temperature fresh-keeping insulation can for large yellow croaker |
| CN105910366A (en) * | 2016-05-18 | 2016-08-31 | 中国农业大学 | Special refrigerated cabinet for near-freezing-point refrigeration of fruits and vegetables and temperature control method for refrigerated cabinet |
| CN106652197A (en) * | 2016-12-28 | 2017-05-10 | 深圳市芯海互联技术有限公司 | Three-dimensional air supply system used for self-help meal selling machine |
| CN106766493A (en) * | 2017-01-16 | 2017-05-31 | 中国农业科学院农产品加工研究所 | Interlayer honeycomb airflow circulating ice-temp. fresh-preserving device |
| CN107047737A (en) * | 2017-01-23 | 2017-08-18 | 天津商业大学 | A kind of removable chain type fruit-vegetable differential pressure precooling device |
| CN108507260A (en) * | 2018-04-03 | 2018-09-07 | 乔玉环 | A kind of intelligent fresh-keeping warehouse of thermostatic control physiology freezing point temperature |
| CN108895751A (en) * | 2018-07-24 | 2018-11-27 | 华东交通大学 | Air-cooler device in a kind of freezing-cooling storeroom of novel refrigerant piping |
| CN110547127A (en) * | 2019-08-27 | 2019-12-10 | 广东富华机械装备制造有限公司 | Container for plant cultivation |
| CN111578577A (en) * | 2020-05-26 | 2020-08-25 | 珠海格力电器股份有限公司 | Fruit and vegetable fresh-keeping chamber and refrigerator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100310 Effective date of abandoning: 20090512 |