CN215864205U - Heat-preservation luggage case - Google Patents

Heat-preservation luggage case Download PDF

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Publication number
CN215864205U
CN215864205U CN202121302036.7U CN202121302036U CN215864205U CN 215864205 U CN215864205 U CN 215864205U CN 202121302036 U CN202121302036 U CN 202121302036U CN 215864205 U CN215864205 U CN 215864205U
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Prior art keywords
box body
box
luggage
insulated
heat
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CN202121302036.7U
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Chinese (zh)
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谢如鹤
陈欢
罗贵秀
杨光明
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Guangzhou Dedao Logistics Technology Co ltd
Guangzhou University
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Guangzhou Dedao Logistics Technology Co ltd
Guangzhou University
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Abstract

The utility model discloses a heat preservation luggage case, which comprises: the box body is provided with a box cover on one side; the zipper is arranged at the position where the box cover and the box body are closed externally; the sealing rubber ring is arranged at the closed part of the box cover and the box body; the heat insulation layer is arranged on the inner surface of the box body; the universal idler wheel is arranged at the bottom of the box body; the pull rod is arranged at the top of the box body. According to the utility model, through the arrangement of the heat insulation layers on the inner surfaces of the box body and the box cover, heat insulation can be carried out on articles to be transported; the sealing rubber ring is arranged at the closed position of the box cover and the box body, so that heat exchange between the inside and the outside of the box body through a zipper gap is avoided, and the heat insulation performance is further improved; the utility model has convenient use and carrying, good heat preservation performance and high reliability, can be used for heat preservation transportation of articles, avoids environmental pollution and waste, and can be widely applied to the technical field of cold chains.

Description

Heat-preservation luggage case
Technical Field
The utility model relates to the technical field of cold chains, in particular to a heat-insulation luggage case.
Background
Along with the development of cold chains, more and more industries relate to cold chain links, people demand cold chains more and more frequently, the requirements for the cold chains are more and more strict, the equipment demand of the cold chains is more and more diversified, the cold chains are more and more popular, and in order to meet the transportation and carrying of various cold chain products, a plurality of cold chain equipment are designed and developed and enter the daily life of people.
For example, a consumer has certain consumption preference for fresh agricultural products in own hometown, but the carrying and transportation mode of the fresh agricultural products has a great problem, the amount of the fresh agricultural products purchased by the consumer at one time is not very large, but the fresh agricultural products have certain weight, and the fresh agricultural products purchased and carried by the consumer generally need to be carried for a long time (about 10 hours, including taking airplanes, high-speed rails and short-distance connected transportation means, which can basically cover a trip distance of 2000 Km), if the fresh agricultural products are not protected at all, the food quality of the purchased fresh agricultural products is changed and reduced in a long-time transportation process, so that the food flavor is changed, and the requirement for the long-time fresh food carrying and transportation equipment is met.
The main modes of carrying and transporting a cold chain product with a certain quality for a long time are as follows: the use of "foam boxes + ice bags" for cold insulation or no cold insulation measures is common when customers bring themselves to a city of work or residence (or vice versa) after purchasing fresh featured foods in their hometown. Because the foam box (mostly used for many times) is inconvenient to carry the cold chain products with certain weight, the heat insulation performance of the foam box is poor, and the foam box filled with ice bags with certain weight is easy to have the phenomena of extrusion damage and poor sealing, the fresh-keeping requirement of a user on the cold chain products is difficult to realize, the quality of the cold chain products after being carried and transported for a long time is greatly influenced, the food safety is further endangered, and the temperature difference between the inside and the outside is particularly serious; in addition, the use of foam case can produce white pollution, is unfavorable for the protection of environment to and foam case has certain restriction when carrying the transportation and depositing, has brought a great deal of inconvenience for the row, has influenced consumer's trip and has experienced.
SUMMERY OF THE UTILITY MODEL
To solve at least one of the above technical problems, the present invention aims to: provides a convenient and reliable heat-insulating luggage case.
The technical scheme adopted by the utility model is as follows:
an insulated luggage case comprising:
the box body is provided with a box cover on one side;
the zipper is arranged at the position where the box cover and the box body are closed externally;
the sealing rubber ring is arranged at the closed part of the box cover and the box body;
the heat insulation layer is arranged on the inner surfaces of the box body and the box cover;
the universal idler wheel is arranged at the bottom of the box body;
the pull rod is arranged at the top of the box body.
Further, the heat insulation layer is a vacuum heat insulation plate.
Further, the thickness of the vacuum heat insulation plate is 10 to 15 millimeters.
Furthermore, a coolant is arranged in the box body.
Further, the coolant is a refrigerating coolant or a freezing coolant.
Furthermore, the pull rod is a telescopic pull rod.
Further, the heat preservation suitcase still includes temperature sensor, temperature sensor sets up the inside of box, temperature sensor is used for detecting the inside temperature of box.
Furthermore, the heat preservation luggage case still includes temperature indicating device, temperature indicating device sets up the top of box, temperature indicating device with temperature sensor signal connection.
Further, the temperature indicating device is a display screen or an indicator light.
Further, the box body is one of a light metal box body, a plastic box body, a canvas box body and a leather box body.
The utility model has the beneficial effects that: the heat preservation suitcase includes the box, the case lid, the zip fastener, the sealing rubber circle, the insulating layer, universal gyro wheel and pull rod, can place waiting to transport article inside the box when using, close the case lid through the zip fastener, then carry the transportation through universal gyro wheel and pull rod, because the setting of box and case lid internal surface insulating layer in the transportation, can wait to transport article and keep warm, and be equipped with the sealing rubber circle in the closed department of case lid and box, avoided the box inside and outside to carry out the heat exchange through the zip fastener gap, thermal insulation performance has further been improved. The utility model has convenient use and carrying, good heat preservation performance and high reliability, can be used for heat preservation and transportation of articles, can be repeatedly used for many times, improves the resource utilization rate and avoids environmental pollution and waste.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of an insulated luggage case according to an embodiment of the present invention;
fig. 2 is a side view of an insulated luggage case according to an embodiment of the present invention.
Reference numerals:
10. a box body; 20. a box cover; 30. sealing the rubber ring; 40. a thermal insulation layer; 50. a universal roller; 60. a pull rod.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
Referring to fig. 1 and 2, an embodiment of the present invention provides an insulated luggage case, including:
a box body 10, wherein a box cover 20 is arranged on one side of the box body 10;
a zipper (not shown in figures 1 and 2) provided at the outer closure of the lid 20 with the box 10;
a sealing rubber ring 30 (not shown in fig. 2), the sealing rubber ring 30 being provided at the inner closed portion of the case cover 20 and the case body 10;
the heat insulation layer 40 is arranged on the inner surfaces of the box body 10 and the box cover 20;
the universal roller 50, the universal roller 50 is arranged at the bottom of the box body 10;
the pull rod 60, the pull rod 60 is arranged on the top of the box body 10.
Specifically, the heat preservation suitcase includes box 10, case lid 20, the zip fastener, sealing rubber circle 30, insulating layer 40, universal gyro wheel 50 and pull rod 60, can place the article of waiting to transport inside box 10 when using, close case lid 20 through the zip fastener, then carry the transportation through universal gyro wheel 50 and pull rod 60, in the transportation because the setting of box 10 and the 20 internal surface insulating layer 40 of case lid, can wait to transport the article and keep warm, and be equipped with sealing rubber circle 30 in the closed department of case lid 20 and box 10, avoided inside and outside the box 10 to carry out the heat exchange through the zip fastener gap, further improved thermal insulation performance. The utility model has convenient use and carrying, good heat preservation performance and high reliability, can be used for heat preservation and transportation of articles, can be repeatedly used for many times, improves the resource utilization rate and avoids environmental pollution and waste.
In the embodiment of the utility model, the sealing rubber ring 30 is made of heat insulating material with good sealing performance, the sealing rubber rings 30 are arranged on the box body 10 and the box cover 20, and a sealing space is formed when the box cover 20 and the box body 10 are closed, so that heat exchange at the closed position of the box body 10 and the box cover 20 can be avoided; the universal rollers 50 can rotate in multiple directions, and the four universal rollers 50 are symmetrically arranged at the bottom of the box body 10, so that the stability of the whole heat-insulation suitcase can be improved. It will be understood that the universal rollers 50 in fig. 1 and 2 are superimposed two by two and are not all shown.
Further as an alternative embodiment, the insulation layer 40 is a vacuum insulation panel.
Specifically, the Vacuum Insulation Panel (VIP Panel) is one of Vacuum Insulation materials, is formed by compounding a filling core material and a Vacuum protection surface layer, and can effectively avoid heat transfer caused by air convection, so that the thermal conductivity coefficient can be greatly reduced and is less than 0.035W/(m · K), and the Vacuum Insulation Panel has the characteristics of environmental protection, high efficiency and energy saving, and is a relatively advanced high-efficiency Insulation material. In the embodiment of the utility model, the vacuum insulation panels are arranged on the inner surfaces of the box body 10 and the box cover 20, so that the heat insulation performance can be further improved.
Further as an alternative embodiment, the vacuum insulation panel has a thickness of 10 to 15 mm.
Specifically, the thickness of the vacuum insulation panel used in the embodiment of the present invention can be calculated by the following formula:
Q=m1ΔTc=Q1+Q2+Q3
Q1=3.6F2K2(t1-t2)Z
Q2=0.1Q1
Q3=m1q1z1
Figure BDA0003108945150000041
wherein Q represents a content energy variation value (W); q1A cold consumption value (W) representing cold leakage; q2A cold consumption value (W) representing the leakage; q3 denotes cold consumption (W) of respiration of contents; k2Represents the thermal conductivity (W/m.K) of the vacuum insulation panel; f2Indicates the inner surface area (m) of the case2) (ii) a Z represents the time (h) of heat transfer; Δ T represents a temperature range (K) of the contents during the safety consignment; a. theWRepresents an outer surface heat exchange coefficient (W/m.K); an represents An inner surface heat exchange coefficient (W/m.K); deltaiThe thickness (m) of the material of the ith layer of the vacuum insulation panel is shown; lambda [ alpha ]iThe heat conductivity coefficient (W/m.K) of the material of the ith layer of the vacuum heat insulation plate is shown; t is t1Represents the temperature (K) outside the case 10; t is t2Indicates the temperature (K) in the tank 10; m is1Represents the amount (kg) of the contents; q. q.s1The temperature of the contents in the case 10 is expressed as kJ/(h.kg); z is a radical of1Indicating a time (h) when the contents are in the container; c represents specific heat capacity [ J/(kg × K) ] of the contents.
In the embodiment of the present invention, the model of the case 10 is as shown in table 1 below.
Model number Case size (cm) Maximum weight (kg) of contents
Number 1 19×28×11 5
Number 2 28×40×13 15
No. 3 32×45×18 25
Number 4 34×50×20 35
Number 5 39×58×24 50
TABLE 1
According to the size and the maximum weight of the container 10 and the related formula of calculating the thickness of the vacuum insulation panel in table 1, it can be obtained that the vacuum insulation panel of the embodiment of the present invention has an optimum thickness of 10 to 15mm, which can save materials while maximizing the insulation effect.
Further as an alternative embodiment, the inside of the case 10 is provided with a coolant.
Specifically, the coolant is used for improving the heat preservation performance of the interior of the box body 10 on the cold chain products, and the coolant can be specifically selected according to the size of the box body 10 and the storage and transportation temperature required by the cold chain products specifically stored and transported by the box body 10.
Further alternatively, the coolant may be a refrigerating coolant or a freezing coolant.
Specifically, the phase change potential heat value of the coolant is preferably higher than 240kJ/kg when the refrigerant is loaded with the refrigerant (from-15 to-20 ℃), and higher than 280kJ/kg when the refrigerant is loaded with the refrigerant (from 0 to 8 ℃).
Further as an alternative embodiment, the pull rod 60 is a telescopic pull rod.
Specifically, the length of the pull rod 60 of the embodiment of the present invention is manually adjustable, so that the pull rod is more convenient for a user to carry and move.
As a further optional embodiment, the thermal luggage case further includes a temperature sensor, the temperature sensor is disposed inside the case body 10, and the temperature sensor is used for detecting the internal temperature of the case body 10.
Specifically, the temperature sensor is used to detect the internal temperature of the box 10, so that the user can know the temperature inside the box 10 in time.
As a further optional embodiment, the thermal luggage further comprises a temperature indicating device, the temperature indicating device is arranged on the top of the luggage body 10, and the temperature indicating device is in signal connection with the temperature sensor.
Specifically, the temperature indicating device mounted on the top of the box 10 can display the internal temperature of the box 10 in real time, so that the user can know the temperature inside the box 10 at any time without opening the box cover 20, which is more convenient.
Further as an alternative embodiment, the temperature indicating device is a display screen or an indicator light.
Specifically, the internal temperature value of the cabinet 10 may be directly displayed through the display screen, or the range of the internal temperature of the cabinet 10 may be indicated through the indicator light, for example, the green light indicates 0 to 10 ℃, the yellow light indicates 10 to 20 ℃, and the red light indicates more than 20 ℃, and different temperature ranges may be selected for indication in different heat preservation scenes, which is not limited herein.
Further as an alternative embodiment, the case 10 is one of a lightweight metal case, a plastic case, a canvas case, and a leather case.
The structure of the embodiment of the present invention is explained above. The vacuum heat insulation plate with good heat insulation effect is selected as the heat insulation layer in the embodiment of the utility model; a sealing rubber ring with a heat insulation function is adopted at the closed position of the box body and the box cover; in order to be convenient to carry and transport, the box body is also provided with a rotatable universal roller and a retractable manual pull rod. The heat-preservation luggage case provided by the embodiment of the utility model not only has the functions of a common luggage case, but also can select cases with different specifications and sizes according to the actual weight of the contents, and can selectively add the cold storage type coolant or the freezing type coolant according to the types of the contents, and further can be configured with different doses of coolant according to the product characteristics and the actual requirements, so that sufficient cold energy is ensured, the heat-preservation luggage case can be used for carrying and transporting for a longer time, the quality of cold chain products for carrying and transporting is ensured, and the cases can be repeatedly used for multiple times, so that the resource utilization efficiency is improved, and the waste is reduced.
The following further explains the embodiments of the present invention with reference to the related application scenarios.
When a consumer purchases 25Kg of refrigerated products, the products are precooled to 0 ℃, the products need to be carried to a place B from the place A, the average external temperature is taken to be 30 ℃ in the whole process from the place A to the place B, the medium-sized heat-insulation trunk capable of containing 25Kg can be selected, the heat-insulation layer of the heat-insulation trunk is a vacuum heat-insulation plate, the thickness is 15mm, the temperature rise of the products in the heat-insulation trunk is basically guaranteed not to exceed 5 ℃ when the products reach the place B, and the quality requirement is met; and a certain amount of cold storage type coolant can be added into the box body according to the situation for carrying and transporting for a longer time.
It can be understood that the size and shape of the heat-insulating luggage case can be adaptively modified according to actual carrying and transporting requirements, so that the actual carrying and transporting requirements are ensured; the bottom rollers of the box body and the external structure of the box body are mainly used for bearing the box body, and can be correspondingly replaced and modified as long as the bearing requirements of the box body can be met; the manual pull rod of box top retractable type mainly used makes things convenient for carrying of box, and concrete shape and outward appearance all can carry out the adaptability adjustment according to actual need.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims (10)

1. An insulated luggage case, comprising:
the box body is provided with a box cover on one side;
the zipper is arranged at the position where the box cover and the box body are closed externally;
the sealing rubber ring is arranged at the closed part of the box cover and the box body;
the heat insulation layer is arranged on the inner surfaces of the box body and the box cover;
the universal idler wheel is arranged at the bottom of the box body;
the pull rod is arranged at the top of the box body.
2. The insulated luggage of claim 1, wherein: the heat insulation layer is a vacuum heat insulation plate.
3. The insulated luggage of claim 2, wherein: the thickness of the vacuum heat insulation plate is 10-15 mm.
4. The insulated luggage of claim 1, wherein: the inside of box is equipped with the coolant.
5. The insulated luggage of claim 4, wherein: the coolant is a refrigerating coolant or a freezing coolant.
6. The insulated luggage of claim 1, wherein: the pull rod is a telescopic pull rod.
7. The insulated luggage of claim 1, wherein: the heat preservation suitcase still includes temperature sensor, temperature sensor sets up the inside of box, temperature sensor is used for detecting the inside temperature of box.
8. The insulated luggage of claim 7, wherein: the heat preservation luggage case also comprises a temperature indicating device, the temperature indicating device is arranged at the top of the case body, and the temperature indicating device is in signal connection with the temperature sensor.
9. The insulated luggage of claim 8, wherein: the temperature indicating device is a display screen or an indicating lamp.
10. An insulated luggage case according to any one of claims 1 to 9, wherein: the box body is one of a light metal box body, a plastic box body, a canvas box body and a leather box body.
CN202121302036.7U 2021-06-09 2021-06-09 Heat-preservation luggage case Active CN215864205U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121302036.7U CN215864205U (en) 2021-06-09 2021-06-09 Heat-preservation luggage case

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121302036.7U CN215864205U (en) 2021-06-09 2021-06-09 Heat-preservation luggage case

Publications (1)

Publication Number Publication Date
CN215864205U true CN215864205U (en) 2022-02-18

Family

ID=80315353

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121302036.7U Active CN215864205U (en) 2021-06-09 2021-06-09 Heat-preservation luggage case

Country Status (1)

Country Link
CN (1) CN215864205U (en)

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