CN203294542U - Movable wireless digital display liquid nitrogen spraying refrigerating low-temperature logistic refrigerator - Google Patents
Movable wireless digital display liquid nitrogen spraying refrigerating low-temperature logistic refrigerator Download PDFInfo
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- CN203294542U CN203294542U CN2013202610614U CN201320261061U CN203294542U CN 203294542 U CN203294542 U CN 203294542U CN 2013202610614 U CN2013202610614 U CN 2013202610614U CN 201320261061 U CN201320261061 U CN 201320261061U CN 203294542 U CN203294542 U CN 203294542U
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Abstract
The utility model discloses a movable wireless digital display liquid nitrogen spraying refrigerating low-temperature logistic refrigerator which comprises a box body, a box door, a box cover, a liquid nitrogen liquid storage device, a controller and a wireless receiver. A heat-preserving structure of the box body is divided into three layers, the outermost layer is a heat-preserving plate outer shell layer, the innermost layer is a vacuum heat-isolating plate layer, and the middle layer is a hard polyurethane heat-isolating layer, namely a composite heat-preserving structure of a vacuum plate and the hard polyurethane heat-isolating layer. A temperature displayer is arranged on the position, on one side of the box body, of the box face, the box body is further provided with a liquid nitrogen ejector used for controlling temperature in the box body, and the controller controls the liquid nitrogen ejector according to the temperature set by the temperature displayer. Due to the fact that the liquid nitrogen ejector ejects liquid nitrogen, the temperature in the box body can be controlled in a range from -70 DEG C to -15 DEG C. The refrigerator is suitable for transport and delivery of high-price and low-temperature articles such as tuna and ice cream in a refrigerated mode. Besides, the bottom of the box body is provided with universal sliding wheels, so that the box body has a movable function.
Description
Technical field
The utility model relates to a kind of transportation or dispensing low temperature logistics cold storage equipment, is specifically related to a kind of mobile wireless digital display liquid nitrogen spray refrigeration low-temperature logistics cold storage case.
Background technology
At present, domestic or international low temperature cold storage case series products, its casing mostly consists of the adiabatic layer between inside and outside wall interlayer and sandwiched inside and outside wall, and adiabatic layer uses the hard polyaminoester thermal insulation material more.Although the heat-insulating property of polyurethane is preferably, insulation can is comparatively thick and heavy.Vacuum heat-insulating plate (Vacuum Insulation Panel); it is state-of-the-art thermal insulation material in the world at present; by filling core and vacuum protection top layer, be composited; the heat transmission that can effectively avoid circulating air to cause; but coefficient of thermal conductivity decrease; less than 0.003w/m.k, therefore has energy-efficient characteristic.Adopt the heat insulating board of vacuum heat-insulating plate as insulation can, warming plate thickness can significantly reduce, and effectively improves the effective volume of insulation can.When but vacuum heat-insulating plate is subject to external force, very easily damage, while using separately, fixing and protection are also had higher requirements.
Simultaneously, for the refrigerant of cold storage refrigeration, what mainly adopt is fluorinated refrigerant (as R22, R502 etc.) or ammonia refrigerant.Fluorinated refrigerant is very large to the harm of air environment, and ammonia refrigerant has stronger corrosion attack to equipment itself.And above-mentioned refrigerant is difficult to realize the low temperature of-70~-50 ℃.
The utility model content
The purpose of this utility model is to propose a kind of liquid nitrogen spray refrigeration low-temperature logistics cold storage case, can greatly improve the low temperature control of the heat insulation effect of cold storage case and realization-70~-50 ℃.
For reaching this purpose, the utility model by the following technical solutions:
Mobile wireless digital display liquid nitrogen spray refrigeration low-temperature logistics cold storage case, comprise casing, chamber door, case lid, controller and wireless receiver, the insulation construction of described casing is divided into three layers, outermost layer is the warming plate outer shell, innermost layer is the vacuum insulation flaggy, and centre is the composite, insulating structure of hard polyaminoester thermal insulation layer; A temperature indicator is housed on the case face of described casing one side, on described casing, also is provided with the liquid nitrogen spray device of controlling temperature in described casing; The temperature that described controller is set according to described temperature indicator is controlled described liquid nitrogen spray device, can utilize the liquid nitrogen of-196 ℃ in-70~-15 ℃ of scopes, to control the box house temperature; Described wireless receiver is arranged on described casing, and is connected with described controller.
Preferably, described warming plate outer shell adopts corrosion-resistant steel, aluminum alloy or glass-felt plastic to make.
Preferably, described thermal insulation layer is the composite, insulating structure of RPUF layer and vacuum insulation flaggy.
Preferably, the thickness of described vacuum insulation flaggy is 10~30mm.
Preferably, the thickness of described RPUF layer is 20~60mm.
Preferably, described chamber door and casing are fixing in succession by hinge, and the outer wall of described casing is provided with the snap close of chamber door and casing fastening.
Preferably, described chamber door place is provided with handle.
Preferably, described bottom half is provided with Universal pulley.
Preferably, the range of temperatures of requirement is lower, and the thickness of the thermal insulation structure of described casing is thicker.
The beneficial effects of the utility model are: because the insulation construction of casing is divided into three layers, outermost layer is the warming plate outer shell, and innermost layer is stainless steel layer, and interlayer is the thermal insulation layer of the composite, insulating structure of RPUF layer and vacuum insulation flaggy; So this casing has advantages of good adiabatic function, lightweight, volume is small and exquisite, simultaneously on casing, be provided with temperature indicator and can read the insulation can internal temperature, by the liquid nitrogen spray device, spray liquid nitrogen, the box house temperature can be controlled to-70~-15 ℃, be suitable for the cold storage of high price cold items, such as tuna, ice cream and frozen food etc.In addition, in the bottom of casing, be provided with Universal pulley, make casing possess movably function.
The accompanying drawing explanation
Fig. 1 is the cross-sectional view of the utility model specific embodiment 1;
Fig. 2 is the structural representation of the utility model specific embodiment 1.
In figure:
1, temperature indicator; 2, chamber door; 3, handle; 4, Universal pulley; 5, snap close; 6, outer shell; 7, intermediate thermal insulating layer (hard polyaminoester thermal insulation layer); 8, vacuum insulation flaggy; 10, liquid nitrogen spray device; 11, controller; 12, wireless receiver; 13, liquid nitrogen reservoir.
The specific embodiment
Below in conjunction with accompanying drawing and by the specific embodiment, further illustrate the technical solution of the utility model.
As shown in Figure 1 to Figure 2, mobile wireless digital display liquid nitrogen spray refrigeration low-temperature logistics cold storage case, comprise casing, chamber door, case lid, the insulation construction of casing is divided into three layers, outermost layer is warming plate outer shell 6, and innermost layer is vacuum insulation flaggy 8, and centre is the intermediate thermal insulating layer 7 of hard polyaminoester thermal insulation layer, the thickness of vacuum insulation flaggy 8 is 10~30mm, and intermediate thermal insulating layer 7 thickness are 20~60mm.Thermal insulation layer thickness, both vacuum insulation flaggy 8 and the two-layer thickness of intermediate thermal insulating layer 7 depended on the requirement of product temperature in casing, its temperature is-18 ℃ ,-33 ℃ ,-60 ℃ etc.Temperature is lower, and the thickness of thermal insulation layer is just thicker.
The casing of three-decker had both improved heat-insulating property, had reduced the thickness of casing, had also alleviated the weight of casing simultaneously; when casing is subject to the shock of external force; utilize the elasticity of intermediate thermal insulating layer 7 own, can also protect vacuum insulation flaggy 8, play the shock absorbing External Force Acting.
Warming plate outer shell 6 upper surfaces are enclosed with corrosion-resistant steel, aluminum alloy or frp layer, to food non-pollution safety and firm anticollision, casing are had to protective effect, have improved the bulk strength of heat-insulation and heat-preservation case.Chamber door 2 is fixedly connected with by the corrosion-resistant steel hinge with casing, on the sidewall of casing, is provided with two snap closes that make casing and chamber door 2 fastenings, guarantees that case lid closely is connected with casing, the leakproofness of insulation can.Chamber door 2 centers are provided with handle 3, and bottom half is equipped with four Universal pulleys 4, is convenient to casing and moves stop, have reduced simultaneously the carrying intensity of casing, are convenient to insulation can and move carrying, can effectively increase work efficiency.
The heat-proof quality of a kind of liquid nitrogen spray refrigeration stream cold storage case described in the utility model is good, keep the time of low temperature in case longer, and the insulation construction of its casing, case lid, chamber door 2 is divided into three layers, three layers of insulation construction reduce the thickness of warming plate, make the volume of cabinets cavity larger, can efficiently preserve the more article of preservation.In addition, a temperature indicator 1 is housed, be used to showing the temperature of box house on the case face of casing one side.
In addition, on casing, also be provided with liquid nitrogen spray device 10, liquid nitrogen reservoir 13 and the controller 11 of controlling temperature in casing; Controller 11 is controlled liquid nitrogen spray device 10 according to the temperature of temperature indicator 1, and the box house temperature is controlled in-70~-15 ℃ of scopes, control accuracy is ± 1 ℃.Be suitable for the cold storage of high price cold items, for example tuna, ice cream.
In addition, on casing, also be provided with wireless receiver 12, wireless receiver 12 is connected with controller 11, by wireless receiver 12, just can carry out remote control by the remote controller of outside, to control unlatching of the present utility model, to close and other operation.
Above embodiment has just set forth groundwork of the present utility model and characteristic; the utility model is not limited by above-described embodiment; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various variations and change, and these variations and change all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (8)
1. mobile wireless digital display liquid nitrogen spray refrigeration low-temperature logistics cold storage case, it is characterized in that: comprise casing, chamber door, case lid, liquid nitrogen reservoir, controller and wireless receiver, the insulation construction of described casing is divided into three layers, outermost layer is the warming plate outer shell, innermost layer is the vacuum insulation flaggy, centre is the hard polyaminoester thermal insulation layer, i.e. the compound insulation structure of evacuated panel and hard polyaminoester thermal insulation layer; A temperature indicator is housed on the case face of described casing one side, on described casing, also is provided with the liquid nitrogen spray device of controlling temperature in described casing; The temperature that described controller is set according to described temperature indicator is controlled described liquid nitrogen spray device, can in-70~-15 ℃ of scopes, control the box house temperature; Described wireless receiver is arranged on described casing, and is connected with described controller.
2. mobile wireless digital display liquid nitrogen spray refrigeration low-temperature logistics cold storage case as claimed in claim 1, is characterized in that, described warming plate outer shell adopts corrosion-resistant steel, aluminum alloy or glass-felt plastic to make.
3. mobile wireless digital display liquid nitrogen spray refrigeration low-temperature logistics cold storage case as claimed in claim 1, is characterized in that, described thermal insulation layer is the composite, insulating structure of polyurethane foam layer and vacuum insulation flaggy.
4. mobile wireless digital display liquid nitrogen spray refrigeration low-temperature logistics cold storage case as claimed in claim 3, is characterized in that, the thickness of described vacuum insulation flaggy is 10~30mm.
5. mobile wireless digital display liquid nitrogen spray refrigeration low-temperature logistics cold storage case as claimed in claim 1, is characterized in that, the thickness of described polyurethane foam layer is 20~60mm.
6. mobile wireless digital display liquid nitrogen spray refrigeration low-temperature logistics cold storage case as claimed in claim 1, is characterized in that, described chamber door and casing are fixing in succession by hinge, and the outer wall of described casing is provided with the snap close of chamber door and casing fastening.
7. mobile wireless digital display liquid nitrogen spray refrigeration low-temperature logistics cold storage case as claimed in claim 1, is characterized in that, selection of land, and described chamber door place is provided with handle.
8. mobile wireless digital display liquid nitrogen spray refrigeration low-temperature logistics cold storage case as claimed in claim 1, is characterized in that, described bottom half is provided with Universal pulley.
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CN2013202610614U CN203294542U (en) | 2013-05-14 | 2013-05-14 | Movable wireless digital display liquid nitrogen spraying refrigerating low-temperature logistic refrigerator |
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CN2013202610614U CN203294542U (en) | 2013-05-14 | 2013-05-14 | Movable wireless digital display liquid nitrogen spraying refrigerating low-temperature logistic refrigerator |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103723379A (en) * | 2014-01-11 | 2014-04-16 | 苏州安特实业有限公司 | Heat insulation cold closet for medical supplies |
CN103983064A (en) * | 2014-05-16 | 2014-08-13 | 苏州安特实业有限公司 | Passive vehicle-mounted refrigerator |
CN103991637A (en) * | 2014-05-16 | 2014-08-20 | 苏州安特实业有限公司 | Passive type vehicle-mounted refrigerating box |
CN104705476A (en) * | 2013-12-17 | 2015-06-17 | 四平宏宝莱饮品股份有限公司 | Making method of ice cream |
CN104859958A (en) * | 2015-04-16 | 2015-08-26 | 华南农业大学 | Double-working-condition semiconductor refrigeration type fruit and vegetable distribution box and control method thereof |
CN106081363A (en) * | 2016-06-06 | 2016-11-09 | 中国科学院合肥物质科学研究院 | A kind of liquid nitrogen zero is lost biological specimen low-temperature storing apparatus |
CN110127171A (en) * | 2019-06-10 | 2019-08-16 | 甘肃龙腾科技有限责任公司 | A kind of pregnant mare serum long-distance transport storage device |
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2013
- 2013-05-14 CN CN2013202610614U patent/CN203294542U/en not_active Expired - Fee Related
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104705476A (en) * | 2013-12-17 | 2015-06-17 | 四平宏宝莱饮品股份有限公司 | Making method of ice cream |
CN103723379A (en) * | 2014-01-11 | 2014-04-16 | 苏州安特实业有限公司 | Heat insulation cold closet for medical supplies |
CN103723379B (en) * | 2014-01-11 | 2015-12-30 | 苏州安特实业有限公司 | Medicines insulation refrigeration case |
CN103983064A (en) * | 2014-05-16 | 2014-08-13 | 苏州安特实业有限公司 | Passive vehicle-mounted refrigerator |
CN103991637A (en) * | 2014-05-16 | 2014-08-20 | 苏州安特实业有限公司 | Passive type vehicle-mounted refrigerating box |
CN103983064B (en) * | 2014-05-16 | 2016-04-13 | 苏州安特实业有限公司 | Passive car refrigerator |
CN103991637B (en) * | 2014-05-16 | 2016-06-15 | 苏州安特实业有限公司 | Passive type mounted refrigerating case |
CN104859958A (en) * | 2015-04-16 | 2015-08-26 | 华南农业大学 | Double-working-condition semiconductor refrigeration type fruit and vegetable distribution box and control method thereof |
CN106081363A (en) * | 2016-06-06 | 2016-11-09 | 中国科学院合肥物质科学研究院 | A kind of liquid nitrogen zero is lost biological specimen low-temperature storing apparatus |
CN106081363B (en) * | 2016-06-06 | 2019-04-09 | 中国科学院合肥物质科学研究院 | A kind of loss of liquid nitrogen zero biological sample low-temperature storing apparatus |
CN110127171A (en) * | 2019-06-10 | 2019-08-16 | 甘肃龙腾科技有限责任公司 | A kind of pregnant mare serum long-distance transport storage device |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131120 |