CN102658930A - Multi-temperature control refrigerated container and temperature adjusting method thereof - Google Patents
Multi-temperature control refrigerated container and temperature adjusting method thereof Download PDFInfo
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- CN102658930A CN102658930A CN2012101509005A CN201210150900A CN102658930A CN 102658930 A CN102658930 A CN 102658930A CN 2012101509005 A CN2012101509005 A CN 2012101509005A CN 201210150900 A CN201210150900 A CN 201210150900A CN 102658930 A CN102658930 A CN 102658930A
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Abstract
The invention discloses a multi-temperature control refrigerated container and a temperature adjusting method of the multi-temperature control refrigerated container; the multi-temperature control refrigerated container comprises a return air duct arranged, a return air inlet, a return air fan, control equipment which are arranged on the top of a container, and a movable attemperators for dividing the inner region of the container into a plurality of regions with different temperatures according to the different stored refrigerated goods, wherein the circulation of air distribution is formed by the return air duct, the return air inlet and an air supply outlet of the container, the return air duct arranged at the upper part of the container body is provided with the return air inlet, the return air inlet is provided with the return air fan and a temperature sensor, the acquired temperature of the return air inlet is transmitted to a controller, an embedded color steel plate partition effectively divides a temperature field into a plurality of regions within the area which is larger in temperature gradient change according to the distribution condition of the internal temperature field in the case that the refrigerated container is fully loaded, and the different goods can be loaded within different temperature regions; therefore, the refrigerating quality can be guaranteed, the inner space of the container can be adequately used, and the additional value can be increased for the transportation of the refrigerated container.
Description
Technical field
Present technique belongs to the refrigerated transport field, is specifically related to many temperature controls refrigerated container and temperature control method thereof, regulates as required according to the different temperature fields of realizing with the stacking mode of loading.
Background technology
The refrigerated container transportation is a ring important in " refrigerated transport ", and refrigerated container is the most flexible and the most rising " door t door " transportation means.Refrigerated container can remain at various perishable freight under the required separately storage temperature; Carry out a large amount of, quick and cheap transportation to all over the world; Being that development in recent years becomes later-model important transportation mode in the international trade, also will be important refrigerated transport instrument of 21 century.And refrigerated container in transit, because of the temperature inside the box skewness causes problems such as goods damage, perplexs this shipping community always.According to incompletely statistics, decrease up to the many trillion dollar because of the direct economic loss that the refrigerated container goods damage causes in the annual whole world.It is embodied in:
1. the refrigerated container feature dimension is big, mainly solves door end air-supply problem through T type floor.According to the ISO relevant regulations, before dispatching from the factory, empty container all need pass through thermal testing, and the temperature inside the box field distribution maximum difference should be above 3 ℃.And when loading; Excessive through T type floor blowing span; Cause the temperature inside the box field distribution uneven, cause that local temperature is too high and cause goods rot, go rotten, rotten, or local temperature is crossed low and is caused the goods frostbite, does and decrease etc.; Thereby cause that the refrigerated transport quality worsens, and causes direct economic loss.
2. produce economic dispute and legal dispute between lessee and the carrier, for company brings fame and credibility loss.Because of in the broccoli refrigerated transport process, the broccoli temperature rise is rotten and cause 11,998.80 dollars of direct economic losses, and is that two companies cause fame loss in various degree like Atlantic Ocean Co., Ltd in 2007 and Cosco Group.
3. the refrigerated container space availability ratio is not enough, and loading space degree of utilization less than 70% is as shown in Figure 1.The stacks of goods sign indicating number successively decreases to Men Duan from cold machine end successively, if goods requires above zero refrigerant temperature, and when the control temperature accuracy had relatively high expectations, almost can not freight near the door end, or the not enough container height of pile height is half the.This will certainly cause the rising of transportation economics cost, and the refrigerated transport added value reduces, and in the time of all can't accomplishing loading because of existing refrigerated container, both satisfied temperature was even, can make full use of the inner space of refrigerated container again.
Summary of the invention
The technical matters that the present invention will solve provides many temperature controls refrigerated container and temperature control method thereof; The inner space of refrigerated container is divided into different some temperature provinces; In order to depositing the goods different, thereby utilize the temperature field distribution character, improve space availability ratio refrigerant temperature.
For achieving the above object, technical scheme of the present invention is following:
A kind of many temperature controls refrigerated container; It is characterized in that: comprise by the unit end; The casing that door end and floor constitute, air outlet is arranged at bottom half, and return air inlet is arranged at casing top; Said air outlet and return air inlet form the air current composition circulating path, and it is several independent temperature zones that said casing is cut off by dismountable embedded color steel plate.
Preferably, said casing top also is provided with return air duct, in the said return air duct return air inlet is set, and the return air inlet place is provided with return air fan and temperature sensor, and the protractor sensor is transferred to controller with the return air inlet temperature of gathering.
Preferably, said return air duct also is provided with power supply, is each return air duct blower fan and control convenience power supply.
Preferably, said near being provided with batten in the floor blowing pipeline in the temperature province of unit end, stop up a part of air channel.
Preferably, the said placement near the unit end regions had relatively high expectations to responsive to temperature, needs the goods of deepfreeze; Said deposit refrigerant temperature value demand near the door end regions relatively low, the goods that refrigerant temperature is high slightly.
Preferably, color steel is a 2-4 temperature province with spatial division in the case, and color steel top and refrigerated container top spacing are 33cm, and the bottom is the 20cm grid.
Preferably, color steel is the polyurethane color steel.
The temperature control method of many temperature controls refrigerated container is gathered affiliated area return air inlet temperature and is transferred to controller, and with return air inlet temperature and the comparison of controller settings;
(1) when return air temperature is lower than setting value, return air fan shuts down, and return air is got back to return air inlet automatically through cutting off upper space, cuts off and helps to stop the inner space gas flow, avoids inner space air heat exchange and causes that the reefer cargo local temperature raises;
(2) when return air temperature during or a little higher than setting value identical with setting value, return air fan is opened, and forms refrigerated container part cool storage area top negative pressure, and cold wind is driven away hot blast from bottom to top, and reefer cargo is cooled under forced convection in the case;
(3) when return air temperature during far above setting value, the aggravation of return air fan rotating speed, whole return air temperature rises in the air channel, and refrigerated container unit end air output increases, and wind pushing temperature descends, and air turbulence strengthens in the cool storage area, and the reefer cargo refrigerant temperature descends.
Preferably, said temperature sensor is many pieces, and with the feedback signal of the maximum temperature value of gathering as rotation speed of fan control.
Through technique scheme, the invention has the beneficial effects as follows:
Distribution situation according to refrigerated container internal temperature field under the full load conditions; Zone in that thermal drop changes is greatly divided, and is divided into some intervals to the temperature field actv., under the effect of return air fan; Increase cold flow and inner space airiness degree of disturbing; Interval thermal drop is reduced, and the effect of blower fan is to force cold wind to move from bottom to top, the flow of control cold air; At the different goods of the interval loading of different temperature, to satisfy of the requirement of cargo-carring goods, can guarantee to refrigerate quality to refrigerant temperature, can make full use of the internal container space again, increase the goods carrying capacity, be that the refrigerated container transportation increases added value.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is loading of conventional refrigeration freight container and inner air circulation figure.
11-unit end; 12-door end; 13-T type floor (air-supply passage); The 14-air outlet; The 15-return air inlet; Stacks of goods sign indicating number in the 16-case; 17-stacks of goods code interval
Fig. 2 divides and airiness figure for many temperature controls of the present invention refrigerated container inner space.
21-unit end; 22-door end; 23-T type floor (air-supply passage); The 24-air outlet; The 25-return air inlet; Stacks of goods sign indicating number in the 26-case; 27-polyurethane color steel cuts off; The 28-return air duct; 29-return air fan and return air inlet
Fig. 3: many temperature controls of the present invention refrigerated container birds-eye view.
31-return air inlet and grid; 22-door end; The 28-return air duct; 27-polyurethane color steel cuts off; 35-first district's return air inlet; 36-second district's return air inlet and return air fan; 37-second district's temperature sensor; 38-the 3rd district's return air inlet and return air fan; 39-the 3rd district's temperature sensor; 310 second area controllers; 311-the 3rd area controller; The 312-power lead
The I-first area; The II-second area; III-the 3rd zone
The specific embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect and be easy to understand and understand, below in conjunction with concrete diagram, further set forth the present invention.
Of Fig. 2; Many temperature controls refrigerated container comprises by the unit end, the casing that door end and floor constitute; Air outlet is arranged at bottom half; Return air inlet is arranged at casing top, and said air outlet and return air inlet form the air channel circulation, and said casing is several independent temperature zones by embedding T type floor and detachable color steel partition.
Said casing top also is provided with return air duct, in the said return air duct return air inlet is set, and the return air inlet place is provided with return air fan and temperature sensor, and the protractor sensor is transferred to controller with the return air inlet temperature of gathering.
Said near being provided with batten in the T type floor blowing pipeline in the air outlet zone of unit end, stop up a part of air channel.
Saidly place the goods higher, saidly deposit the relatively low goods of refrigerant temperature value demand near the door end regions to temperature requirement near the unit end regions.
Color steel is a 2-4 temperature province with spatial division in the case, and its top and refrigerated container top spacing are 33cm, and the bottom is the 20cm grid.
Color steel is the polyurethane color steel.
In conjunction with knowing the simulation of refrigerated container internal temperature field distribution, refrigerated container is when loading, and the temperature highest zone often appears at the door end and the door end upper area of refrigerated container, and the temperature lowermost extent appears at cold machine air outlet place.
Therefore carry out interval division according to the variation of thermal drop.
Refrigerated container is from air outlet 24 air-supplies; Along with increasing of goods; The cold wind temperature rises gradually, polyurethane color steel partition 27 is set this moment makes stacks of goods sign indicating number front and back separately, and cold wind is carried through T type floor 23; The polyurethane color steel cuts off the bottom and leaves certain grid, thereby does not influence cold wind conveying in 23 from T type floor; Generally cut off in the second area of dividing and the 3rd zone, be transported to the designated area by actv., tend to adopt batten that a part is stopped up in the air channel T type floor rail of first area for ensureing its inner cold wind at polyurethane color steel 27.
When this zone return air temperature was lower than setting value, return air fan shut down, and return air is got back to cold machine end return air inlet automatically through cutting off upper space, cut off to help to stop the inner space to flow, and avoided inner space air heat exchange and caused reefer cargo local temperature rise.
During or a little higher than setting value identical with setting value, return air fan is opened, and forms refrigerated container part cool storage area top negative pressure when return air temperature, and cold wind is driven away hot blast from bottom to top, and reefer cargo is cooled under forced convection in the case.
When return air temperature during far above setting value, the aggravation of return air fan rotating speed, whole return air temperature rises in the air channel, and refrigerated container unit end air output increases, and wind pushing temperature descends.Air turbulence strengthens in the cool storage area, and the reefer cargo refrigerant temperature descends.
As shown in Figure 3, second, third regional return air fan 36,38 starts, and cold wind moves from bottom to top, owing to be that Forced Convection Heat Transfer is effective, makes the goods cooling.
Temperature sensor (37,39) places the return air inlet place, and return air temperature is transferred to controller (310,311).Controller (310,311) compares according to transmission signals and setting signal, thereby the adjustment rotation speed of fan changes return air amount and regional gas stream and organizes the disturbance situation, and Men Duandi three regional wind pushing temperatures are high than other zones.
The power supply of controller and return air motor is all introduced from cold machine end, and is arranged in the return airway, reequips simple and safe easy row, does not influence the design standard of refrigerated container.Need like refrigerated transport, can air channel and attendant equipment be removed, recover the conventional refrigeration container construction.
The color steel diaphragm 34 of polyurethane mainly is to guarantee that the air-supply of institute zoning and return air vertical direction flow, cold wind from down and on hot air " is driven " Huis air pipe line, the realization uniform heat exchange, the thermal drop disturbance is little, the temperature field is even.When the whole return air temperature of return air duct rose, refrigerating unit can the automatically regulating air output, realized the coupling of air-supply and return air in the case, thereby kept the stable of case internal gas pressure.
Embodiment 1: the refrigerated transport of chilled meat
Through the cold fresh meat of refrigerating, its specification is 1000 * 800 * 600mm, and goods is divided into some buttress in refrigerated container, about place, length is that the high 214cm its spacing of the wide 95cm of 1160cm is 20cm.The cold wind import is positioned at bottom, refrigerated container end, the long 200cm in air port, high 20cm, and the top is the long 118cm of return air inlet, high 20cm.The refrigerating unit wind pushing temperature is set is-18 ℃.Do not open return fan, the air outlet regional temperature maintains-19 ℃, and door end temperature is at-12 ℃; Open return fan, middle part and door end temperature are near whole refrigerated container temperature-17 ℃.
Embodiment 2: the refrigerated transport of steck
Be generally 100 * 50 * 9mm through its specification of steck of cold treatment and put into pallet, be divided into some buttress, every buttress is 33cm apart from the deep freezer distance from top.The steck refrigeration cycle has relatively high expectations for a short time, requires ice crystal less, and wind pushing temperature speed should not be too big, starts blower fan, increases the cold wind disturbance, makes it reach refrigerant temperature in the short period of time, and especially door end return fan will fully guarantee to require temperature.
More than show and described groundwork of the present invention and principal character and advantage of the present invention.The technical personnel of the industry should be understood; The present invention is not restricted to the described embodiments; That describes in the foregoing description and the specification sheets just explains principle of the present invention; Under the prerequisite that does not break away from spirit and scope of the invention, the present invention also has various changes and modifications, and these variations and improvement all fall in the scope of the invention that requires protection.The present invention requires protection domain to be defined by appending claims and equivalent thereof.
Claims (9)
1. temperature control refrigerated container more than a kind; It is characterized in that: comprise by the unit end; The casing that door end and floor constitute, air outlet is arranged at bottom half, and return air inlet is arranged at casing top; Said air outlet and return air inlet form the air current composition circulating path, and it is several independent temperature zones that said casing is cut off by dismountable embedded color steel plate.
2. a kind of many temperature controls refrigerated container according to claim 1; It is characterized in that: said casing top also is provided with return air duct; In the said return air duct return air inlet is set; The return air inlet place is provided with return air fan and temperature sensor, and the protractor sensor is transferred to controller with the return air inlet temperature of gathering.
3. a kind of many temperature controls refrigerated container according to claim 2, it is characterized in that: said return air duct also is provided with power supply, is each return air duct blower fan and control convenience power supply.
4. a kind of many temperature controls refrigerated container according to claim 1 is characterized in that: said near being provided with batten in the floor blowing pipeline in the temperature province of unit end, stop up a part of air channel.
5. a kind of many temperature controls refrigerated container according to claim 1 is characterized in that: the said placement near the unit end regions had relatively high expectations to responsive to temperature, needs the goods of deepfreeze; Said deposit refrigerant temperature value demand near the door end regions relatively low, the goods that refrigerant temperature is high slightly.
6. a kind of many temperature controls refrigerated container according to claim 1 is characterized in that: color steel is a 2-4 temperature province with spatial division in the case, and color steel top and refrigerated container top spacing are 33cm, and the bottom is the 20cm grid.
7. a kind of many temperature controls refrigerated container according to claim 6 is characterized in that: color steel is the polyurethane color steel.
8. the temperature control method of many temperature controls refrigerated container is gathered affiliated area return air inlet temperature and is transferred to controller, and with return air inlet temperature and the comparison of controller settings;
(1) when return air temperature is lower than setting value, return air fan shuts down, and return air is got back to return air inlet automatically through cutting off upper space, cuts off and helps to stop the inner space gas flow, avoids inner space air heat exchange and causes that the reefer cargo local temperature raises;
(2) when return air temperature during or a little higher than setting value identical with setting value, return air fan is opened, and forms refrigerated container part cool storage area top negative pressure, and cold wind is driven away hot blast from bottom to top, and reefer cargo is cooled under forced convection in the case;
(3) when return air temperature during far above setting value, the aggravation of return air fan rotating speed, whole return air temperature rises in the air channel, and refrigerated container unit end air output increases, and wind pushing temperature descends, and air turbulence strengthens in the cool storage area, and the reefer cargo refrigerant temperature descends.
9. the temperature control method of many temperature controls refrigerated container according to claim 8 is characterized in that: said temperature sensor is many pieces, and with the feedback signal of the maximum temperature value of gathering as rotation speed of fan control.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210150900.5A CN102658930B (en) | 2012-05-15 | 2012-05-15 | Multi-temperature control refrigerated container and temperature adjusting method thereof |
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| CN201210150900.5A CN102658930B (en) | 2012-05-15 | 2012-05-15 | Multi-temperature control refrigerated container and temperature adjusting method thereof |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103444865A (en) * | 2013-09-11 | 2013-12-18 | 山东商业职业技术学院 | Tempering and transshipment tank for processed grains |
| CN103708137A (en) * | 2014-01-15 | 2014-04-09 | 南京农业大学 | Method for improving evenness of temperature of refrigerator truck |
| CN103964088A (en) * | 2013-01-28 | 2014-08-06 | 中国国际海运集装箱(集团)股份有限公司 | Ventilation device and refrigerated container with same |
| CN106275910A (en) * | 2016-08-17 | 2017-01-04 | 北京中聚高科科技有限公司 | One has thermostatic container location equipment |
| CN106394384A (en) * | 2016-08-31 | 2017-02-15 | 武汉巨力鼎兴冷链股份有限公司 | Multi-temperature-zone cold storage vehicle system |
| CN106679829A (en) * | 2017-03-07 | 2017-05-17 | 福建农林大学 | System for visualizing temperature tracks of cold chain logistics |
| CN106871544A (en) * | 2017-04-11 | 2017-06-20 | 天津商业大学 | A kind of refrigerating box blast type automated three-dimensional freezer |
| CN108438565A (en) * | 2018-03-23 | 2018-08-24 | 深圳市中集冷链科技有限公司 | A kind of multifunctional modular combination ice chest |
| CN109353707A (en) * | 2018-10-23 | 2019-02-19 | 珠海格力电器股份有限公司 | Container temperature regulating system and container |
| CN109398981A (en) * | 2018-11-26 | 2019-03-01 | 珠海格力电器股份有限公司 | Thermal insulation container |
| CN110260580A (en) * | 2019-07-22 | 2019-09-20 | 中集冷链发展有限公司 | A kind of cold storage plant of adjustable air-out chamber |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103964088B (en) * | 2013-01-28 | 2017-10-31 | 中国国际海运集装箱(集团)股份有限公司 | Ventilation unit and the frozen products insulated container with the ventilation unit |
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| CN106679829A (en) * | 2017-03-07 | 2017-05-17 | 福建农林大学 | System for visualizing temperature tracks of cold chain logistics |
| CN106679829B (en) * | 2017-03-07 | 2023-08-01 | 福建农林大学 | Cold chain logistics temperature track visualization system |
| CN106871544A (en) * | 2017-04-11 | 2017-06-20 | 天津商业大学 | A kind of refrigerating box blast type automated three-dimensional freezer |
| CN108438565A (en) * | 2018-03-23 | 2018-08-24 | 深圳市中集冷链科技有限公司 | A kind of multifunctional modular combination ice chest |
| CN109353707A (en) * | 2018-10-23 | 2019-02-19 | 珠海格力电器股份有限公司 | Container temperature regulating system and container |
| CN109398981A (en) * | 2018-11-26 | 2019-03-01 | 珠海格力电器股份有限公司 | Thermal insulation container |
| CN110260580A (en) * | 2019-07-22 | 2019-09-20 | 中集冷链发展有限公司 | A kind of cold storage plant of adjustable air-out chamber |
| CN110260580B (en) * | 2019-07-22 | 2023-12-29 | 青岛中集冷方科技有限公司 | Refrigerating device with adjustable air outlet cavity |
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