CN111232388A - Express delivery fridge based on liquid nitrogen refrigeration - Google Patents

Express delivery fridge based on liquid nitrogen refrigeration Download PDF

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Publication number
CN111232388A
CN111232388A CN202010145458.1A CN202010145458A CN111232388A CN 111232388 A CN111232388 A CN 111232388A CN 202010145458 A CN202010145458 A CN 202010145458A CN 111232388 A CN111232388 A CN 111232388A
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CN
China
Prior art keywords
liquid nitrogen
air supply
box
refrigeration
express delivery
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202010145458.1A
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Chinese (zh)
Inventor
郭鑫
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Jiangsu Normal University
Original Assignee
Jiangsu Normal University
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Filing date
Publication date
Application filed by Jiangsu Normal University filed Critical Jiangsu Normal University
Priority to CN202010145458.1A priority Critical patent/CN111232388A/en
Publication of CN111232388A publication Critical patent/CN111232388A/en
Withdrawn legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/02—Internal fittings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/02—Internal fittings
    • B65D25/04—Partitions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D53/00—Sealing or packing elements; Sealings formed by liquid or plastics material
    • B65D53/02—Collars or rings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/18—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/38—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation
    • B65D81/3813—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation rigid container being in the form of a box, tray or like container
    • B65D81/3823—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation rigid container being in the form of a box, tray or like container formed of different materials, e.g. laminated or foam filling between walls

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)

Abstract

An express delivery refrigerating box based on liquid nitrogen refrigeration comprises a box body, a box cover and a liquid nitrogen bottle, wherein a partition plate is arranged at one corner of the inner wall of the box body, a liquid nitrogen bottle placing cavity is formed in the inner side of the partition plate, a refrigerating cavity is formed in the outer side of the partition plate, the liquid nitrogen bottle is placed in the liquid nitrogen bottle placing cavity, an inner pad matched with the refrigerating cavity is arranged at the bottom of the box cover, an air supply branch pipe is embedded in the inner pad, a main air supply pipe is fixed at one end of the air supply branch pipe, a nozzle is arranged on the air supply branch pipe, and the box; adopt the liquid nitrogen bottle as the cold source to set up the pipeline of supplying gas on the case lid, close the back when the case lid, liquid nitrogen in the liquid nitrogen bottle can export the liquid nitrogen along the pipeline of supplying gas and cool down in to the box, has realized comparatively lasting cold-stored effect, and the quality is light simultaneously, portable, and the liquid nitrogen bottle can be changed at any time, extension cold-stored time, and the effectual edible material to in the fridge carries out long-time cold-stored, keeps fresh.

Description

Express delivery fridge based on liquid nitrogen refrigeration
Technical Field
The invention relates to the technical field of refrigerated containers, in particular to an express delivery refrigerated container based on liquid nitrogen refrigeration.
Background
Although the improvement of people's standard of living, use the express delivery to carry out the quick transportation of fresh edible material, it is more and more common. In the existing express delivery, the refrigeration measures are generally to place an ice bag, but the cooling time of the ice bag is short, and the refrigeration effect is often poor for some fresh food materials which need a long time to be conveyed to the destination.
Disclosure of Invention
In order to overcome the problems in the background art, the invention provides an express delivery cold closet based on liquid nitrogen refrigeration.
The technical scheme of the invention is as follows: the utility model provides an express delivery fridge based on liquid nitrogen refrigeration, the power distribution box comprises a box body, case lid and liquid nitrogen bottle, the inner wall one corner of box is equipped with the division board, the inboard formation liquid nitrogen bottle of division board places the chamber, the outside formation refrigeration chamber of division board, the liquid nitrogen bottle is arranged in the liquid nitrogen bottle and is placed the chamber, the bottom of case lid be equipped with cold-stored chamber complex interior pad, inlay in the interior pad and be equipped with the branch pipe of supplying gas, the one end of branch pipe of supplying gas is fixed with main supply pipe, be equipped with the nozzle on the branch pipe of supplying gas, the case lid closes when on the box, main supply.
Preferably, the number of the air supply branch pipes is three, one of the air supply branch pipes is distributed along the length side of the inner mat, the other air supply branch pipe is distributed along the width side of the inner mat, and the remaining one air supply branch pipe is distributed along the diagonal line of the inner mat.
Preferably, the number of nozzles in one air supply manifold is at least two.
Preferably, the main air supply pipe is in a hollow pipe shape, and an air supply port communicated with the air supply branch pipe is formed in the side wall of the main air supply pipe.
Preferably, the box cover is provided with an adjusting knob, the outer wall of the adjusting knob is provided with a blocking block, the blocking block is attached to the inner wall of the main air supply pipe, the height of the blocking block is larger than the diameter of the air supply opening, and the arc length of the blocking block is smaller than the diameter of the air supply opening.
Preferably, the bottom of the box cover is positioned on the outer side of the inner pad and provided with a gasket, and the gasket is attached to the upper edge of the box body.
Preferably, the division plate is detachably connected with the box body, the two ends of the division plate are provided with protrusions, and the inner wall of the box body is provided with grooves corresponding to the protrusions.
Compared with the prior art, the invention has the beneficial effects that:
according to the refrigerator, the liquid nitrogen bottle is used as a cold source, the gas supply pipeline is arranged on the refrigerator cover, and after the refrigerator cover is closed, liquid nitrogen in the liquid nitrogen bottle can be output into the refrigerator body along the gas supply pipeline for cooling, so that a relatively long-lasting refrigerating effect is realized, meanwhile, the refrigerator is light in weight and convenient to carry, the liquid nitrogen bottle can be replaced and can be repeatedly used, food materials in the refrigerator can be effectively refrigerated for a long time, and the freshness of the food materials is kept.
Drawings
Fig. 1 is a schematic structural diagram of an express delivery refrigerator based on liquid nitrogen refrigeration according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a case cover according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a main air supply pipe according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of the blocking block according to the embodiment of the present invention.
In the above fig. 1-4, 1, the box body; 101. a refrigerated chamber; 102. a liquid nitrogen bottle placing cavity; 11. a partition plate; 2. a box cover; 201. a gasket; 21. an inner cushion; 3. a liquid nitrogen bottle; 4. a main air supply pipe; 401. an air supply port; 41. an air supply branch pipe; 42. a nozzle; 5. adjusting a knob; 51. and (7) blocking.
The specific implementation mode is as follows:
the invention is further described below with reference to the accompanying drawings.
Examples
As shown in fig. 1, an express delivery fridge based on liquid nitrogen refrigeration, including box 1, case lid 2 and liquid nitrogen bottle 3, wherein, box 1, case lid 2 is the heat preservation foam material, or other heat preservation composite material, preferably the light material of quality, the inner wall one corner of box 1 is equipped with division board 11, it is concrete, in order to demolish division board 11, enlarge the volume of box 1 under the condition that does not need cold-stored, division board 11 can be dismantled with box 1 and be connected, the both ends of division board 11 are equipped with the arch, the inner wall of box 1 is equipped with the recess that corresponds with the arch, arch and recess are vertical distribution, upwards pull division board 11 and can accomplish and demolish and install.
As shown in fig. 1, a liquid nitrogen bottle placing cavity 102 is formed inside a partition plate 11, a refrigerating cavity 101 is formed outside the partition plate 11, a liquid nitrogen bottle 3 is placed in the liquid nitrogen bottle placing cavity 102, an inner pad 21 matched with the refrigerating cavity 101 is provided at the bottom of a box cover 2, the inner pad 21 and the box cover 2 are integrally formed, an air supply branch pipe 41 is embedded in the inner pad 21, a main air supply pipe 4 is fixed at one end of the air supply branch pipe 41, a nozzle 42 is provided on the air supply branch pipe 41, the distribution of the nozzle 42 is shown in fig. 2, the air supply branch pipe 41, the main air supply pipe 4 and the nozzle 42 are all made of stainless steel, when the box cover 2 is covered on the box body 1, the main air supply pipe 4 extends into the liquid nitrogen bottle 3, at this time, liquid nitrogen in the liquid nitrogen bottle 3 is dispersed into the air supply branch pipe 41 through the main air supply pipe.
Specifically, as shown in fig. 2, the number of the air supply branch pipes 41 is three, one of the air supply branch pipes 41 is distributed along the length side of the inner mat 21, the other air supply branch pipe 41 is distributed along the width side of the inner mat 21, and the remaining one air supply branch pipe 41 is distributed along the diagonal line of the inner mat 21, so that the cool air can be more uniformly diffused into the entire cooling chamber 101 through the air supply branch pipes 41 distributed, and specifically, the number of the nozzles 42 on one air supply branch pipe 41 is at least two.
Specifically, as shown in fig. 3, the main air supply pipe 4 has a hollow pipe shape, and an air supply port 401 communicating with the air supply branch pipe 41 is opened in a side wall of the main air supply pipe 4.
Specifically, as shown in fig. 1 and 4, an adjusting knob 5 is provided on the box cover 2, a blocking piece 51 is provided on the outer wall of the adjusting knob 5, the blocking piece 51 is attached to the inner wall of the main air supply pipe 4, the height of the blocking piece 51 is larger than the diameter of the air supply port 401, the arc length of the blocking piece 51 is smaller than the diameter of the air supply port 401, when the adjusting knob 5 is rotated, the blocking piece 51 slides on the inner side of the air supply port 401, and further the through diameter of the communication between the main air supply pipe 4 and the air supply port 401 is controlled, so that the flow rate of liquid nitrogen is controlled, and the purpose of temperature control is.
Specifically, the bottom of the case cover 2 is provided with a gasket 201 on the outer side of the inner pad 21, the gasket 201 is attached to the upper edge of the case body 1, and the gasket 201 and the case cover 2 are integrally formed.
The working principle is as follows: when the box cover 2 is opened, the liquid nitrogen bottle 3 is plugged by a plug, food materials can be placed in the box body 1, after the food materials are placed, the box cover 2 is closed, the main air supply pipe 4 extends into the liquid nitrogen bottle 3, at the moment, liquid nitrogen in the liquid nitrogen bottle 3 is dispersed into the air supply branch pipe 41 through the main air supply pipe 4 and is finally sprayed out through the nozzle 42, so that cold air is uniformly dispersed into the whole refrigeration cavity 101, when the adjusting knob 5 is rotated, the blocking block 51 slides on the inner side of the air supply opening 401, and further the through diameter of the communication between the main air supply pipe 4 and the air supply opening 401 is controlled, so that the flow of the liquid nitrogen is controlled, and the purpose of controlling the temperature is achieved.
The above description is only a preferred embodiment of the present invention, and all equivalent changes or modifications of the structure, characteristics and principles described in the present invention are included in the scope of the present invention.

Claims (7)

1. An express delivery fridge based on liquid nitrogen refrigeration is characterized by comprising a box body (1), a box cover (2) and a liquid nitrogen bottle (3), a partition plate (11) is arranged at one corner of the inner wall of the box body (1), a liquid nitrogen bottle placing cavity (102) is formed at the inner side of the partition plate (11), a refrigerating cavity (101) is formed at the outer side of the (11), the liquid nitrogen bottle (3) is arranged in the liquid nitrogen bottle placing cavity (102), the bottom of the box cover (2) is provided with an inner pad (21) matched with the refrigerating cavity (101), an air supply branch pipe (41) is embedded in the inner pad (21), a main air supply pipe (4) is fixed at one end of the air supply branch pipe (41), and the air supply branch pipe (41) is provided with a nozzle (42), and when the box cover (2) is covered on the box body (1), the main air supply pipe (4) extends into the liquid nitrogen bottle (3).
2. An express delivery refrigerator based on liquid nitrogen refrigeration as claimed in claim 1, wherein the number of the air supply branch pipes (41) is three, and one of the air supply branch pipes (41) is distributed along the length side of the inner pad (21), the other air supply branch pipe (41) is distributed along the width side of the inner pad (21), and the remaining one air supply branch pipe (41) is distributed along the diagonal line of the inner pad (21).
3. An express delivery cooler based on liquid nitrogen refrigeration as claimed in claim 1, characterized in that the number of said nozzles (42) on one said delivery manifold (41) is at least two.
4. The liquid nitrogen refrigeration-based express delivery refrigeration box as claimed in claim 1, wherein the main air supply pipe (4) is hollow tubular, and an air supply port (401) communicated with the air supply branch pipe (41) is opened on the side wall of the main air supply pipe (4).
5. The liquid nitrogen refrigeration-based express delivery refrigeration box as claimed in claim 4, wherein an adjusting knob (5) is arranged on the box cover (2), a block (51) is arranged on the outer wall of the adjusting knob (5), the block (51) is attached to the inner wall of the main air supply pipe (4), the height of the block (51) is larger than the diameter of the air supply opening (401), and the arc length of the block (51) is smaller than the diameter of the air supply opening (401).
6. The liquid nitrogen refrigeration-based express delivery refrigeration box as claimed in claim 1, wherein a gasket (201) is arranged at the bottom of the box cover (2) and positioned at the outer side of the inner pad (21), and the gasket (201) is attached to the upper edge of the box body (1).
7. The liquid nitrogen refrigeration-based express delivery refrigeration box as claimed in claim 1, wherein the partition plate (11) is detachably connected with the box body (1), two ends of the partition plate (11) are provided with protrusions, and the inner wall of the box body (1) is provided with grooves corresponding to the protrusions.
CN202010145458.1A 2020-03-03 2020-03-03 Express delivery fridge based on liquid nitrogen refrigeration Withdrawn CN111232388A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010145458.1A CN111232388A (en) 2020-03-03 2020-03-03 Express delivery fridge based on liquid nitrogen refrigeration

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Application Number Priority Date Filing Date Title
CN202010145458.1A CN111232388A (en) 2020-03-03 2020-03-03 Express delivery fridge based on liquid nitrogen refrigeration

Publications (1)

Publication Number Publication Date
CN111232388A true CN111232388A (en) 2020-06-05

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CN202010145458.1A Withdrawn CN111232388A (en) 2020-03-03 2020-03-03 Express delivery fridge based on liquid nitrogen refrigeration

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113978937A (en) * 2021-11-15 2022-01-28 无锡市第二人民医院 Small-size pathogenic bacterial strain transport case

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204416082U (en) * 2015-01-22 2015-06-24 舟山市定海区龙强机械设备厂 A kind of outdoor thermal insulation case
CN104990323A (en) * 2015-07-23 2015-10-21 天津商业大学 Jacket type liquid nitrogen spraying refrigerator
CN205010788U (en) * 2015-09-02 2016-02-03 庄光明 Preservation of fishery products case of fresh -keeping high quality
CN105987195A (en) * 2015-03-06 2016-10-05 徐林波 Casing pipe type straight valve
CN107631529A (en) * 2017-09-30 2018-01-26 广东产品质量监督检验研究院 A kind of portable example quick freezing and cold preserving case
JP3224830U (en) * 2018-11-16 2020-01-23 碧波庭國際有限公司 Pressure regulating valve used for cupping negative pressure equipment

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204416082U (en) * 2015-01-22 2015-06-24 舟山市定海区龙强机械设备厂 A kind of outdoor thermal insulation case
CN105987195A (en) * 2015-03-06 2016-10-05 徐林波 Casing pipe type straight valve
CN104990323A (en) * 2015-07-23 2015-10-21 天津商业大学 Jacket type liquid nitrogen spraying refrigerator
CN205010788U (en) * 2015-09-02 2016-02-03 庄光明 Preservation of fishery products case of fresh -keeping high quality
CN107631529A (en) * 2017-09-30 2018-01-26 广东产品质量监督检验研究院 A kind of portable example quick freezing and cold preserving case
JP3224830U (en) * 2018-11-16 2020-01-23 碧波庭國際有限公司 Pressure regulating valve used for cupping negative pressure equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113978937A (en) * 2021-11-15 2022-01-28 无锡市第二人民医院 Small-size pathogenic bacterial strain transport case
CN113978937B (en) * 2021-11-15 2022-11-22 无锡市第二人民医院 Small-size pathogenic bacterial strain transport case

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Application publication date: 20200605

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