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CN113375385A - Vacuum refrigerator - Google Patents

Vacuum refrigerator Download PDF

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Publication number
CN113375385A
CN113375385A CN202011478462.6A CN202011478462A CN113375385A CN 113375385 A CN113375385 A CN 113375385A CN 202011478462 A CN202011478462 A CN 202011478462A CN 113375385 A CN113375385 A CN 113375385A
Authority
CN
China
Prior art keywords
box
vacuum
cover
box body
opening
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.)
Pending
Application number
CN202011478462.6A
Other languages
Chinese (zh)
Inventor
马丁纳斯·亨迪克·多曼
金加丰
钱芮柱
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Jiuji Outdoor Sporting Goods Co ltd
Original Assignee
Shanghai Jiuji Outdoor Sporting Goods Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shanghai Jiuji Outdoor Sporting Goods Co ltd filed Critical Shanghai Jiuji Outdoor Sporting Goods Co ltd
Priority to CN202011478462.6A priority Critical patent/CN113375385A/en
Publication of CN113375385A publication Critical patent/CN113375385A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D3/00Devices using other cold materials; Devices using cold-storage bodies
    • F25D3/02Devices using other cold materials; Devices using cold-storage bodies using ice, e.g. ice-boxes
    • F25D3/06Movable containers
    • F25D3/08Movable containers portable, i.e. adapted to be carried personally
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/042Air treating means within refrigerated spaces
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00General constructional features
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00General constructional features
    • F25D23/02Doors; Covers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00Arrangement or mounting of control or safety devices

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

The invention relates to a vacuum refrigerating box, which comprises a box body and a box cover, wherein the box cover is in sealing connection with an opening of the box body in a sealing manner, the box cover comprises a box cover shell, an operation cavity is arranged in the center of the box cover shell, an operation cavity cover is arranged on an opening at the top of the operation cavity arranged on the top of the outer side of the box cover shell in a covering manner, a vacuum gauge and a vacuum pumping valve are arranged at the bottom in the operation cavity, ultraviolet sterilizing lamps are arranged in the box cover shell outside two sides of the operation cavity, and a cold source is arranged in the box body. The vacuum refrigerating box adopts a vacuum negative pressure mode to enhance the heat preservation effect, reduces the oxidation of stored articles and the probability of loss and leakage, and has the characteristics of good refrigerating and heat preservation effects, oxidation resistance and fresh-keeping effects.

Description

Vacuum refrigerator
Technical Field
The invention relates to a refrigerator, in particular to an improved vacuum refrigerator, and belongs to the field of refrigeration storage and transportation.
Background
The existing refrigerating boxes in the market are all normal pressure, and the heat preservation function is mainly realized by low heat conductivity materials of the box body and/or heat preservation materials in an interlayer of the box body. The structure of the incubator is traditionally basically composed of a case cover, a lower case body, a sealing strip, a hinge and a lock catch. The cold source of the refrigerator generally adopts ice blocks or ice boxes. The homogenization of the existing products is very serious, the heat preservation effect of the refrigerating box is limited by a heat preservation material and a cold source, and the oxidation resistance quality guarantee and the fresh-keeping effect of the articles in the refrigerating box are poor.
Disclosure of Invention
The invention discloses a new scheme, which adopts a vacuum refrigerating box scheme for enhancing the heat preservation effect by utilizing a vacuum negative pressure mode and reducing the chances of oxidation and loss leakage of stored goods, and solves the problems of poor refrigeration heat preservation effect, poor oxidation resistance and poor fresh-keeping effect of the existing similar products.
The invention discloses a vacuum refrigerating box, which comprises a box body and a box cover, wherein the box cover is connected with an opening sealing cover of the box body, the box cover comprises a box cover shell, an operation cavity is arranged in the center of the box cover shell, an operation cavity cover is covered on an opening at the top of the operation cavity arranged on the top of the outer side of the box cover shell, a vacuum gauge and a vacuum pumping valve are arranged on the bottom in the operation cavity, ultraviolet sterilizing lamps are arranged in the box cover shell outside two sides of the operation cavity, and a cold source is arranged in the box body.
Further, the rear end of the case lid of this scheme passes through hinged joint with the open-ended rear end of box, and the front end of case lid is connected through a plurality of hasp subassemblies with the open-ended front end of box, is equipped with the sealing ring of the closed loop that extends along circumference on the border of the inboard of case lid, is equipped with the seal groove that extends along circumference on the open-ended terminal surface of box, and the sealing ring forms sealing connection with the seal groove cooperation.
Furthermore, the hasp subassembly of this scheme is including establishing the hook piece spare on the front end outside of case lid, establishing the hasp piece on the open-ended front end outside of box, and hook piece spare forms the hookup with the cooperation of the hasp piece that corresponds.
Furthermore, the outside center of the operation chamber cover of this scheme is equipped with and turns round the recess, turns round to be equipped with bellied and turns round the board in the recess, and the inboard of operation chamber cover forms rotatory joint with the open-top of operation chamber.
Furthermore, the operating chamber cover of the scheme is a transparent cover-shaped structure, and the reading of the vacuum gauge in the operating chamber is observed through the operating chamber cover.
Further, the up end of the front end of the case cover of this scheme is equipped with the size scale sign along long limit direction.
Further, the sterilamp of this scheme includes the outer lamp body of semicolumn, is equipped with a plurality of sterilamp tubes in the outer lamp body, and sterilamp tube includes outer fluorescent tube, is equipped with the wick pipe in the outer fluorescent tube, and sterilamp tube is connected with the battery electricity of the one end of establishing in the outer lamp body, and the battery is connected with the USB interface electricity that charges on the bottom in the operation chamber, and the USB interface that charges is connected with outside charging source electricity.
Furthermore, be equipped with the cold source cavity on the lateral wall in the box of this scheme, be equipped with ice or ice chest in the cold source cavity, the middle part in the box is equipped with horizontal or fore-and-aft ice chest slot, and the interpolation of ice chest slot is equipped with the ice chest.
Furthermore, the vacuum refrigeration box of the scheme also comprises a U-shaped lifting rod, one end of the U-shaped lifting rod is hinged with the upper part of one side of the box body, and the other end of the U-shaped lifting rod is hinged with the upper part of the other side of the box body.
Furthermore, the corner end of the bottom of the box body is provided with an anti-skidding foot pad.
The vacuum refrigerating box adopts a vacuum negative pressure mode to enhance the heat preservation effect and reduce the oxidation of stored articles and the probability of loss and leakage elimination, and has the characteristics of good refrigerating and heat preservation effects and good oxidation resistance and fresh-keeping effects.
Drawings
FIG. 1 is a schematic view of a vacuum cooler.
Fig. 2 is a schematic view of the outside of the cover with the operating chamber cover removed.
Fig. 3 is a schematic view of the inside of the case cover.
Fig. 4 is a schematic view of an ultraviolet germicidal lamp.
Fig. 5 is a schematic view of the case.
Wherein, 100 is the case lid, 101 is the case lid casing, 102 is the hinge, 103 is the hook piece, 110 is the operation chamber lid, 111 is the wrench board, 120 is the operation cavity, 121 is the vacuometer, 122 is the evacuation valve door, 123 is the USB interface that charges, 130 is sterilamp, 131 is outer lamp body, 132 is the sterilamp, 133 is the battery, 200 is the box, 201 is the seal groove, 202 is the hasp, 210 is "U" type shadoof.
Detailed Description
As shown in fig. 1, 2 and 3, the vacuum refrigerating box of the present invention comprises a box body and a box cover, wherein the box cover is connected with an opening sealing cover of the box body, the box cover comprises a box cover shell, an operation chamber is arranged in the center of the box cover shell, an operation chamber cover is arranged on the top opening upper cover of the operation chamber arranged on the top outside the box cover shell, a vacuum gauge and a vacuum pumping valve are arranged on the bottom inside the operation chamber, ultraviolet sterilizing lamps are arranged inside the box cover shell outside two sides of the operation chamber, and a cold source is arranged inside the box body. The vacuum refrigeration box has the advantages that the heat preservation effect is enhanced by the mode of utilizing vacuum negative pressure, the possibility of oxidation of memory articles and loss and leakage elimination is reduced, the vacuumizing valve arranged in the operation chamber is connected with external vacuumizing equipment, so that the purpose of negative pressure refrigeration is realized by vacuumizing in the box body, and meanwhile, the vacuum degree in the box body is timely mastered by the vacuum gauge, and the negative pressure is convenient to control. The scheme also realizes the sterilization and fresh-keeping functions by arranging the ultraviolet sterilization lamp in the box cover. The ultraviolet sterilization preservation and the negative pressure heat preservation are combined, so that the comprehensive effect of refrigeration is effectively enhanced, the refrigeration and heat preservation effects and the anti-oxidation and preservation effects are better, and the condition of loss and leakage of substances stored in the box body is reduced.
In order to meet the requirement of sealing connection between the box cover and the box body, as shown in fig. 1, 2, 3 and 5, the rear end of the box cover of the scheme is connected with the rear end of the opening of the box body through a hinge, the front end of the box cover is connected with the front end of the opening of the box body through a plurality of locking components, a sealing ring of a closed ring extending along the circumferential direction is arranged on the edge of the inner side of the box cover, a sealing groove extending along the circumferential direction is arranged on the end face of the opening of the box body, and the sealing ring is matched with the sealing groove to form sealing connection. Based on above scheme, in order to realize the function of hasp subassembly, this scheme discloses a mode of stress hasp, and hasp subassembly is including establishing the hook piece spare on the front end outside of case lid, establishing the hasp piece on the open-ended front end outside of box, and hook piece spare forms the hookup with the hasp piece cooperation that corresponds.
In order to facilitate the taking and placing operation of the operation chamber cover, as shown in fig. 1, a wrenching groove is formed in the center of the outer side of the operation chamber cover, a raised wrenching plate is arranged in the wrenching groove, and the inner side of the operation chamber cover and the top opening of the operation chamber form rotary clamping. Based on the scheme, in order to meet the requirement of conveniently observing the vacuum gauge in the operation chamber, the operation chamber cover is of a transparent cover-shaped structure, and the reading of the vacuum gauge in the operation chamber is observed through the operation chamber cover.
In order to facilitate the rapid determination of the box volume of the vacuum refrigerating box, as shown in fig. 1 and 2, the upper end surface of the front end of the box cover is provided with dimension scale marks along the long edge direction.
In order to realize sterilamp's function, improve the fresh-keeping efficiency of ultraviolet sterilization, the fresh-keeping effect of reinforcing sterilization, guarantee carrying of vacuum fridge of being convenient for under the fresh-keeping prerequisite of ultraviolet sterilization, remove, as shown in fig. 2, 3, 4, the sterilamp of this scheme includes the outer lamp body of semicircle column, be equipped with a plurality of sterilamp tubes in the outer lamp body, sterilamp tube includes outer fluorescent tube, be equipped with the wick pipe in the outer fluorescent tube, sterilamp tube is connected with the battery electricity of the one end of establishing in the outer lamp body, the USB that the battery is connected with the interface electricity that charges on the bottom in the operation chamber, USB charges the interface and is connected with the external charging power supply electricity. The USB charging interface mode ensures that the ultraviolet germicidal lamp has sufficient electric energy supply and meets the requirements of portability and mobility of the vacuum refrigerating box.
In order to meet the setting requirement of a cold source, the cold storage temperature in the box body is guaranteed, a cold source cavity is arranged on the side wall in the box body, ice or ice boxes are arranged in the cold source cavity, a transverse or longitudinal ice box slot is formed in the middle in the box body, and an ice box is inserted into the ice box slot. The cold source is arranged in a mode that the cold storage temperature at the inner side of the box body is guaranteed, the cold storage temperature in the box body is guaranteed, and the refrigerating time effect of the cold source is remarkably prolonged.
In order to meet the requirement of convenient carrying, as shown in fig. 1, the vacuum refrigerating box of the scheme further comprises a U-shaped lifting rod, one end of the U-shaped lifting rod is hinged with the upper part of one side of the box body, and the other end of the U-shaped lifting rod is hinged with the upper part of the other side of the box body. In order to meet the requirement of skid resistance, the corner end of the bottom of the box body is provided with a skid-proof foot pad.
The scheme discloses a vacuum refrigerating box applied to aspects such as cold chain storage and transportation, food quality and freshness preservation, vaccine and medicine storage and transportation, sports and leisure, compared with a traditional heat preservation box, the vacuum refrigerating box realizes negative pressure enhanced heat preservation, reduces the chance of food or medicine oxidation, reduces the technical effects of loss and leakage of pollutants in the box and the like, and meanwhile, the ultraviolet sterilizing lamp improves the level of food safety protection measures.
The operation chamber cover 110 of the scheme is a transparent cover, so that the air pressure condition inside a product can be clearly seen, the vacuum gauge 121 can monitor the air pressure change inside the box in real time, and the vacuumizing valve 122 is matched with a vacuum pump to suck away the air inside the box. The present solution is distinguished from the prior art in that the negative pressure environment in the box body 200 can be reduced to below-60 kpa by the vacuum pumping through the vacuum pumping valve 122 in the operation chamber 120 in the middle of the box cover 100. The combination of the fastener 202 and the hook tab member 103 provides for better closure of the sealed lid. The U-shaped lifting rod 210 is convenient for people to use, and the UV germicidal lamp 130 in the box cover serves as an accessory to provide the functions of sterilization and fresh keeping of food.
The cold insulation mechanism of the scheme is that besides a cold source and a body heat insulation material, a better heat insulation and fresh keeping effect is realized by utilizing a vacuum negative pressure environment, so that the vacuum refrigerating box of the scheme has a better heat insulation effect, the heat insulation time is longer, and meanwhile, the food oxidation degree of storage and transportation can be reduced due to rare air, and the quality and fresh keeping effect is better. Moreover, after a cold source is added in the negative pressure environment, the fresh-keeping agent can be better stored and prolonged in fresh-keeping, and meanwhile, the fresh-keeping agent has the functions of vacuum storage, vacuum refrigeration and fresh-keeping and the like.
The devices, components, and the like disclosed in the present disclosure may be implemented by general and conventional means known in the art, unless otherwise specified. The present vacuum refrigeration container is not limited to the disclosure of the specific embodiments, the technical solutions presented in the examples can be extended based on the understanding of the skilled person in the art, and the simple alternatives made by the skilled person in the art according to the present solution in combination with the common general knowledge also belong to the scope of the present solution.

Claims (10)

1. Vacuum fridge, characterized by includes box, case lid, the case lid with the sealed lid of opening of box connects, the case lid includes the case lid casing, the central authorities of case lid casing are equipped with the operation cavity, establish on case lid casing outside top the open-top upper cover of operation cavity is equipped with the operation chamber lid, be equipped with the vacuum gauge on the bottom in the operation cavity, evacuation valve, outside the both sides of operation cavity be equipped with sterilamp in the case lid casing, be equipped with the cold source in the box.
2. The vacuum refrigerating box as claimed in claim 1, wherein the rear end of the lid is hinged to the rear end of the opening of the box, the front end of the lid is connected to the front end of the opening of the box by a plurality of locking members, a sealing ring of a closed loop extending in a circumferential direction is provided on the edge of the inner side of the lid, a sealing groove extending in a circumferential direction is provided on the end surface of the opening of the box, and the sealing ring is engaged with the sealing groove to form a sealing connection.
3. The vacuum cooler of claim 2, wherein said locking means comprises a hook piece provided on an outer side of a front end of said lid, a hook piece provided on an outer side of a front end of said opening of said box, said hook piece engaging with said hook piece to form a hook.
4. The vacuum cooler of claim 1, wherein said operating chamber cover is centrally provided with a wrench recess in the outer side thereof, said wrench recess being provided with a raised wrench plate, said operating chamber cover being rotatably engaged with the top opening of said operating chamber in the inner side thereof.
5. The vacuum cooler of claim 4, wherein said operating chamber cover is a transparent cover-like structure through which readings of said vacuum gauge in said operating chamber are observed.
6. The vacuum refrigerating container as claimed in claim 1, wherein a dimension scale mark is provided on an upper end surface of a front end of said cover in a longitudinal direction.
7. The vacuum cooler as set forth in claim 1, wherein said UV germicidal lamp comprises a semi-cylindrical outer lamp housing, said outer lamp housing having a plurality of UV germicidal tubes disposed therein, said UV germicidal tubes comprising an outer tube, said outer tube having a wick tube disposed therein, said UV germicidal tubes being electrically connected to a battery disposed at one end of said outer lamp housing, said battery being electrically connected to a USB charging port disposed on a bottom portion of said operating chamber, said USB charging port being electrically connected to an external charging source.
8. The vacuum refrigerating box as claimed in claim 1, wherein a cold source chamber is formed on a sidewall inside the box body, ice or ice boxes are disposed in the cold source chamber, a horizontal or longitudinal ice box insertion slot is formed in a middle portion inside the box body, and an ice box is inserted into the ice box insertion slot.
9. The vacuum cooler of claim 1, further comprising a "U" shaped lever, one end of said "U" shaped lever being hinged to an upper portion of one side of said box body, the other end of said "U" shaped lever being hinged to an upper portion of the other side of said box body.
10. The vacuum cooler of claim 1, wherein an anti-slip foot pad is provided at a corner end of a bottom of said body.
CN202011478462.6A 2020-12-15 2020-12-15 Vacuum refrigerator Pending CN113375385A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011478462.6A CN113375385A (en) 2020-12-15 2020-12-15 Vacuum refrigerator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011478462.6A CN113375385A (en) 2020-12-15 2020-12-15 Vacuum refrigerator

Publications (1)

Publication Number Publication Date
CN113375385A true CN113375385A (en) 2021-09-10

Family

ID=77569084

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011478462.6A Pending CN113375385A (en) 2020-12-15 2020-12-15 Vacuum refrigerator

Country Status (1)

Country Link
CN (1) CN113375385A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024109956A1 (en) * 2022-11-24 2024-05-30 深圳市利孚医疗技术有限公司 Cosmetic storage box

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1427938A (en) * 2000-03-02 2003-07-02 坦普拉技术公司 Portable heating/cooling and dispensing device
CN205119613U (en) * 2015-04-01 2016-03-30 合肥华凌股份有限公司 Steam sterilization forced air cooling refrigerator
CN206156080U (en) * 2016-10-08 2017-05-10 广西吉顺能源科技有限公司 Novel portable open air case that keeps fresh
DE102018126204A1 (en) * 2017-11-08 2019-05-09 Miele & Cie. Kg Cooling device for a steam sterilizer, steam sterilizer and method for operating a cooling device for a steam sterilizer

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1427938A (en) * 2000-03-02 2003-07-02 坦普拉技术公司 Portable heating/cooling and dispensing device
CN205119613U (en) * 2015-04-01 2016-03-30 合肥华凌股份有限公司 Steam sterilization forced air cooling refrigerator
CN206156080U (en) * 2016-10-08 2017-05-10 广西吉顺能源科技有限公司 Novel portable open air case that keeps fresh
DE102018126204A1 (en) * 2017-11-08 2019-05-09 Miele & Cie. Kg Cooling device for a steam sterilizer, steam sterilizer and method for operating a cooling device for a steam sterilizer

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
庞南生: "《电力工程施工技术与管理》", 28 February 2013, 知识产权出版社 *
陈其斌: "《甘蔗糖手册 下》", 30 June 1988, 轻工业出版社 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024109956A1 (en) * 2022-11-24 2024-05-30 深圳市利孚医疗技术有限公司 Cosmetic storage box

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Application publication date: 20210910

RJ01 Rejection of invention patent application after publication