CN106642875B - Fresh-keeping bag using dry ice as cold source - Google Patents
Fresh-keeping bag using dry ice as cold source Download PDFInfo
- Publication number
- CN106642875B CN106642875B CN201710081999.0A CN201710081999A CN106642875B CN 106642875 B CN106642875 B CN 106642875B CN 201710081999 A CN201710081999 A CN 201710081999A CN 106642875 B CN106642875 B CN 106642875B
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- Prior art keywords
- bag
- cover
- bag body
- dry ice
- waterproof
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D3/00—Devices using other cold materials; Devices using cold-storage bodies
- F25D3/12—Devices using other cold materials; Devices using cold-storage bodies using solidified gases, e.g. carbon-dioxide snow
- F25D3/14—Devices using other cold materials; Devices using cold-storage bodies using solidified gases, e.g. carbon-dioxide snow portable, i.e. adapted to be carried personally
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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
- 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
Abstract
The invention relates to the technical field of low-temperature freezing and refrigerating containers, in particular to a fresh-keeping bag using dry ice as a cold source, and discloses a flange arranged on the periphery of a heat-insulating middle layer of a bag cover, a groove body is arranged on the inner side of the lower end surface of the flange, and a waterproof inner layer of the bag cover is coated on the end surface of the flange; the air outlet cover is clamped between the groove body and the waterproof inner layer of the covering; a dry ice bin is enclosed between the ladle cover heat insulation middle layer and the air outlet cover; a steel bottle bag is arranged on the side surface of the outer wall of the bag body; the steel cylinder bag is used for containing CO2A steel cylinder; the CO is2An external pipeline is arranged at the outlet of the steel cylinder, a communicating hole is formed in one side of the covering cap, and the external pipeline penetrates through the communicating hole to be communicated with the dry ice bin. The invention has simple structure, low refrigeration temperature, fast cooling speed in the inclusion, convenient and reliable carrying and use.
Description
Technical Field
The invention relates to the technical field of portable low-temperature freezing and refrigerating containers, in particular to a freshness protection package using dry ice as a cold source.
Background
Most portable refrigeration ice bags in the market at present use a cold plate containing a specific cold storage agent (such as ice blocks) as a cold source, the cold plate is placed in a bag using foam as a heat insulation material to absorb heat in the bag, so that the space in the bag can keep a certain low temperature within a certain time, however, the existing refrigeration ice bags have the following defects:
1. the temperature in the bag is high (generally higher than-10 ℃), and the freezing temperature is difficult to reach;
2. the use is inconvenient, the cold plate needs to be placed in a refrigeration house for freezing before use, and the cold plate needs to be re-frozen after the temperature rises;
3. the heat preservation time is not long, and the freezing or refrigeration can not be continuously carried out for a long time.
Disclosure of Invention
In view of the above, it is necessary to provide a fresh-keeping bag using dry ice as a cooling source, and the invention uses liquid CO2The ice bag is converted into dry ice and kept in the ice bag to be used as a cold source of the ice bag, and the defects of a common portable refrigeration ice bag in the prior art are overcome.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention relates to a fresh-keeping bag using dry ice as a cold source, which comprises the following components: the bag body is covered; the bag body is square, an accommodating space with an opening at the upper part is formed in the bag body, and the bag cover is arranged above the bag body; the bag body comprises a bag body waterproof outer layer, a bag body heat insulation middle layer and a bag body waterproof inner layer; the ladle cover comprises a ladle cover waterproof outer layer, a ladle cover heat insulation intermediate layer and a ladle cover waterproof inner layer;
flanges are arranged on the periphery of the heat-insulating middle layer of the cover, a groove body is formed in the inner side of the lower end face of each flange, and the waterproof inner layer of the cover is coated on the end face of each flange;
the air outlet cover is clamped between the groove body and the waterproof inner layer of the covering;
a dry ice bin is enclosed between the ladle cover heat insulation intermediate layer and the air outlet cover;
a steel bottle bag is arranged on the side surface of the outer wall of the bag body; the steel cylinder bag is used for containing CO2A steel cylinder;
the CO is2An external pipeline is arranged at the outlet of the steel cylinder, a communication hole is formed in one side of the covering cap, and the external pipeline penetrates through the communication hole to be communicated with the dry ice bin.
Furthermore, the heat insulation middle layers of the bag body and the bag cover are foam layers.
Furthermore, the outer edge of the end face of the flange is abutted against the inner edge of the upper end of the bag body.
Furthermore, the waterproof outer layer of the bag body and the waterproof outer layer of the bag cover are connected on the first edge of the opening of the bag body, and the bag body is connected with the rest peripheries of the bag cover by zippers.
Furthermore, an elastic rubber band is arranged at the opening of the steel bottle bag to ensure CO2The steel cylinder can not be separated.
Further, the external pipeline comprises a hose and a stainless steel pipeThe hose is fixedly connected with one end of the stainless steel pipe; the other end of the hose is connected with the CO through a quick connector2The outlet of the steel cylinder is connected, the other end of the stainless steel pipe penetrates through the communicating hole, the end part of the stainless steel pipe is a liquid outlet, and the liquid outlet extends into the dry ice bin.
Furthermore, the bag cover is further provided with a hose storage bag, and the hose storage bag is opened and closed through a storage bag zipper.
Furthermore, a display screen is installed on the outer wall of the bag body, a temperature sensor and a humidity sensor are installed in the bag body, and the temperature sensor and the humidity sensor are electrically connected with the display screen.
Furthermore, two sides of the bag body can be provided with braces connecting buckles.
The beneficial effects of the invention are as follows:
the invention changes the cold source of the existing ice bag and utilizes liquid CO2The dry ice is converted into the dry ice to be used as a cold source and stored in a dry ice bin of the bag cover, and the bag cover has the following advantages:
1. the temperature in the ice bag is low, and the lowest temperature can reach below-30 ℃, so that the requirement of low-temperature freezing is met;
2. the cooling speed is high, and the required low temperature can be achieved in a short time;
3. convenient to use, bottled liquid CO2The bag is placed on two sides outside the bag and can be opened for use at any time;
4. long holding time, CO2The bottle can be replaced at any time, and the heat preservation temperature in the bag cannot be influenced.
Drawings
FIG. 1 is a schematic view of the overall structure of a freshness packet;
FIG. 2 is a schematic view of a partial structure of a freshness packet;
FIG. 3 is a front view of the fresh food package with the cover opened;
FIG. 4 is a schematic diagram of a three-layer structure of a freshness protection package;
FIG. 5 is a cross-sectional view of the front view of the lid of FIG. 3 after the lid has been closed;
fig. 6 is a schematic view of the communication hole of fig. 5 after the stainless steel pipe is installed.
Reference numerals: 1. a bag body; 101. a waterproof outer layer of the bag body; 102. a bag body heat insulation middle layer; 103. a waterproof inner layer of the bag body; 104. the inner side edge of the upper end of the bag body; 2. a display screen; 3. a zipper; 4. a first side; 5. an air outlet cover; 6. covering; 7. a quick coupling; 601. covering a waterproof outer layer; 602. covering a heat insulation middle layer; 603. covering a waterproof inner layer; 604. a flange; 605. a trough body; 606. a communicating hole; 607. the outer side surface edge of the flange end surface; 8. a hose; 9. a steel cylinder switch; 10. CO 22A steel cylinder; 11. a steel bottle bag; 12. a dry ice bin; 13. a liquid outlet; 14. a stainless steel tube; 15. a hose storage bag; 16. a storage bag zipper; 17. a brace connecting buckle.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be further clearly and completely described below with reference to the embodiments of the present invention. It should be noted that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that the terms "upper", "lower", "front", "rear", "left", "right", "horizontal", "top", "inner", and the like are used in an orientation or positional relationship indicated on the basis of the orientation or positional relationship shown in the drawings for convenience in describing the present invention and simplicity in description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be constructed in a particular manner of operation, and therefore should not be construed as limiting the present invention.
The terms "first", "second" and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, features defined as "first", "second", "third" may explicitly or implicitly include one or more of the features. In the description of the present invention, a "group" means two or more unless otherwise specified.
Examples
As shown in fig. 1, the freshness protection package using dry ice as a cold source of the present invention includes: the bag body 1 is covered by a bag cover 6; the bag body 1 is square, and an accommodating space with an opening at the upper part is formed in the bag body and is used for accommodating articles. The bag cover 6 is arranged above the bag body 1.
As shown in fig. 4, the bag 1 comprises a waterproof bag outer layer 101, a heat insulation bag middle layer 102 and a waterproof bag inner layer 103.
As shown in fig. 5, the cover 6 includes an outer waterproof cover layer 601, an intermediate insulating cover layer 602 and an inner waterproof cover layer 603.
As shown in fig. 1 and fig. 2, the bag body waterproof outer layer 101 and the bag cover waterproof outer layer 601 are both made of wear-resistant waterproof cloth and connected to the first edge 4 of the opening of the bag body 1, and the rest peripheries of the bag body 1 and the bag cover 6 are connected by the zipper 3. After the zipper 3 is pulled up, a freezer-thermal bag with good sealing performance is formed. The heat insulation middle layers of the bag body 1 and the bag cover 6 are foam layers.
As shown in fig. 5, a flange 604 is arranged around the intermediate layer 602, a groove 605 is formed in the inner side of the lower end face of the flange 604, and the inner layer 603 is covered on the end face of the flange 604. The air outlet cover 5 is clamped between the groove body 605 and the wrapping cover waterproof inner layer 603, the air outlet cover 5 is clamped between the flange 604 and the wrapping cover waterproof inner layer 603 and fixed, and the wrapping cover heat insulation middle layer 602 and the air outlet cover 5 are enclosed to form the dry ice bin 12.
The outlet hood 5 is shown as a panel with a plurality of holes, and preferably the outlet hood 5 is a stainless steel sheet with a plurality of holes.
As shown in fig. 1 and 3, the left and right sides of the outer wall of the bag body 1 are provided with steel bottle bags 11; the steel bottle bag 11 is used for placing CO2A steel cylinder 10; placing a CO on each of the left and right sides2A steel cylinder 10 and a steel cylinder switch 9 adopt push type switches and are connected with an air inlet hose 8 through a quick coupling 7; one bottle of CO2Liquid CO in cylinder 102After use, the hose 8 can be removed and replaced with another bottle to extend the freezing and incubation times.
The mouth of the steel bottle bag 11 is provided with an elastic rubber band, and the elastic rubber band can further ensure CO through the contraction effect of the rubber band on the mouth of the steel bottle bag2The steel cylinder 10 does not come off.
As shown in fig. 1, 2, 4 and 5, a communication hole 606 is formed in one side of the cover 6, a stainless steel tube 14 is disposed in the communication hole 606, the stainless steel tube 14 is a bent tube, one end of the stainless steel tube 14 is fixedly connected to the hose 8, the other end is a liquid outlet 13, and the liquid outlet 13 is communicated to the dry ice bin 12. When CO is in liquid state2Part of the CO is ejected through the liquid outlet 132After being gasified and expanded in the dry ice bin 12, the gas enters the bag body 1 through the small holes of the gas outlet cover 5, so that the temperature in the bag body 1 is reduced, and the other part of liquid CO is2Directly converted into dry ice and stored in a dry ice bin 12.
When the bag body 1 and the bag cover 6 are closed, the flange end face outer side surface edge 607 of the flange 604 is abutted to the inner side edge 104 of the upper end of the bag body, namely the surface area of the flange 604 is slightly smaller than the opening size of the accommodating space, after the bag body 1 and the bag cover 6 are closed, the flange 604 is matched with the inner side of the upper end face of the waterproof inner layer 603 of the bag cover, so that the upper end face of the waterproof inner layer 603 of the bag cover and the air outlet cover 5 are basically located on the same plane, on one hand, the sealing and heat-insulating effect inside the bag body 1 is ensured, and on the other hand, the accommodating space of the bag body 1 cannot be occupied.
As a further improvement, a hose storage bag 15, a hose 8 and CO are further arranged on the left side surface of the bag cover 62The one end that steel bottle 10 is connected is for dismantling the setting, and the hose 8 is pulled out to the hose when not using and is accomodate bag 15 in place, bag 15 is accomodate to the hose adopts accomodate bag zip fastener 16 and opens and shuts.
As a further improvement scheme, the display screen 2 is installed on the outer wall of the bag body 1, the temperature sensor and the humidity sensor are installed in the bag body 1, and the temperature sensor and the humidity sensor are electrically connected with the display screen 2, so that the temperature change in the freshness protection package can be monitored in real time.
As a further improvement scheme, two sides of the bag body 1 can be provided with a strap connecting buckle 17 to facilitate the installation of straps.
The working principle of the invention is as follows:
placing the articles to be frozen or refrigerated at low temperature in the accommodating space of the bag body 1, covering the bag cover 6, zipping the zipper 3, and then putting the air inlet hose 8 and CO2The quick connector 7 on the steel cylinder 10 is connected, the safety of the steel cylinder switch 9 is opened, the switch handle is pressed for a plurality of seconds, and at the moment, high-pressure liquid CO is obtained2The path through is: quick connector 7 → flexible tube 8 → stainless steel tube 14 → liquid outlet 13 to dry ice bin 12. At this time, a part of the liquid CO2Gasification to cryogenic gaseous CO in the Dry Ice warehouse 122Then flows to the space in the bag through the gas outlet cover 5, so that the temperature of the articles in the bag is reduced, and the other part of liquid CO flows into the space in the bag2Is converted into solid CO2(dry ice) is stored in the dry ice bin 12 and used as a cold source in the bag body 1 to continuously release cold energy and continuously keep the low-temperature state in the bag body 1. The display screen 2 on the outer surface of the bag body 1 can display the temperature and the humidity in the bag.
When the temperature in the bag body rises, solid CO stored in the dry ice bin 122Will be converted into gaseous CO2And the air flows to the space in the bag through the air outlet cover 5, so that the temperature of the articles in the bag is reduced.
When CO is in solid state2After the bag is consumed, the temperature in the bag body can rise again, at the moment, the steel bottle switch 9 is pressed, and high-pressure liquid CO is continuously input2So as to keep the low temperature in the ice bag.
The invention may also be designed into boxes, bags, pouches and other shaped containers.
The freshness protection package is convenient to use, can reach a lower temperature (lower than-30 ℃), has a good effect of freezing articles, and can be used in other occasions with special low-temperature requirements; the temperature and humidity display is provided, and the temperature and humidity conditions in the ice bag can be mastered at any time; by replacing CO2The cylinder 10 can keep the freezing temperature in the bag for a long time.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (3)
1. A freshness protection package using dry ice as a cold source comprises: a bag body and a bag cover; the bag body is internally provided with an accommodating space with an upper opening, and the bag cover is arranged above the bag body; the bag body comprises a bag body waterproof outer layer, a bag body heat insulation middle layer and a bag body waterproof inner layer; the ladle cover comprises a ladle cover waterproof outer layer, a ladle cover heat insulation intermediate layer and a ladle cover waterproof inner layer; the heat-insulating and heat-preserving ladle cover is characterized in that flanges are arranged on the periphery of the heat-insulating middle layer of the ladle cover, a groove body is arranged on the inner side of the lower end face of each flange, and the waterproof inner layer of the ladle cover is coated on the end face of each flange;
the air outlet cover is clamped between the groove body and the waterproof inner layer of the covering;
a dry ice bin is enclosed between the ladle cover heat insulation middle layer and the air outlet cover; the air outlet cover is a porous stainless steel sheet;
a steel bottle bag is arranged on the side surface of the outer wall of the bag body; the steel cylinder bag is used for containing CO2A steel cylinder;
the CO is2An external pipeline is arranged at the outlet of the steel cylinder, a communicating hole is formed in one side of the ladle cover, and the external pipeline penetrates through the communicating hole to be communicated with the dry ice bin; the heat insulation middle layers of the bag body and the bag cover are foam layers; the outer edge of the flange end face of the flange is abutted with the inner edge of the upper end of the bag body; the bag body waterproof outer layer and the bag cover waterproof outer layer are connected on the first edge of the opening of the bag body, and the bag body is connected with the rest peripheries of the bag cover by zippers; the elastic rubber band is arranged at the opening of the steel bottle bag to ensure CO2The steel cylinder can not be pulled out; the external pipeline comprises a hose and a stainless steel pipe, and the hose is fixedly connected with one end of the stainless steel pipe; the other end of the hose is connected with the CO through a quick connector2The other end of the stainless steel pipe penetrates through the communicating hole, the end part of the stainless steel pipe is a liquid outlet, and the liquid outlet extends into the dry ice bin; the bag cover is also provided with a hose storage bag, the bag cover is provided with a hose storage bagThe flexible pipe storage bag is opened and closed by a storage bag zipper.
2. The freshness protection package using the dry ice as the cold source according to claim 1, wherein a display screen is installed on an outer wall of the package body, a temperature sensor and a humidity sensor are installed in the package body, and the temperature sensor and the humidity sensor are both electrically connected with the display screen.
3. The freshness protection package using dry ice as a cold source according to claim 1, wherein braces connecting buckles can be further arranged on two sides of the package body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710081999.0A CN106642875B (en) | 2017-02-15 | 2017-02-15 | Fresh-keeping bag using dry ice as cold source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710081999.0A CN106642875B (en) | 2017-02-15 | 2017-02-15 | Fresh-keeping bag using dry ice as cold source |
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| Publication Number | Publication Date |
|---|---|
| CN106642875A CN106642875A (en) | 2017-05-10 |
| CN106642875B true CN106642875B (en) | 2022-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710081999.0A Active CN106642875B (en) | 2017-02-15 | 2017-02-15 | Fresh-keeping bag using dry ice as cold source |
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| CN (1) | CN106642875B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109573269B (en) * | 2018-11-29 | 2020-12-01 | 陈露 | Frozen food transport case |
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| US3922878A (en) * | 1974-01-11 | 1975-12-02 | Karchay Javid Jalali | Portable cooling unit |
| JPH02307819A (en) * | 1989-05-23 | 1990-12-21 | Iwatani Internatl Corp | Continuous production device of routine sized dry ice |
| CN1131625A (en) * | 1994-12-12 | 1996-09-25 | 株式会社科尔波 | Method and apparatus for transporting/storing chilled goods |
| EP0854334A1 (en) * | 1997-01-20 | 1998-07-22 | Carboxyque Française | Container for receiving carbon dioxide snow |
| CN1239773A (en) * | 1998-06-11 | 1999-12-29 | 株式会社科尔波 | Small chilling system and cold-keeping bag |
| JP2000065453A (en) * | 1998-08-19 | 2000-03-03 | Ishino Seisakusho:Kk | Cold insulation cover |
| CN2539946Y (en) * | 2002-04-08 | 2003-03-12 | 朱行郎 | Deep cold high efficient dry-ice machine |
| JP2005030674A (en) * | 2003-07-11 | 2005-02-03 | Masanobu Yatsugi | Cold air discharger |
| CN206514585U (en) * | 2017-02-15 | 2017-09-22 | 广州鲜之源生态冷链技术有限公司 | A kind of utilization dry ice is the fresh-keeping bag of low-temperature receiver |
| CN107914969A (en) * | 2017-12-29 | 2018-04-17 | 崔洋 | Biological sample storage device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070074539A1 (en) * | 2005-10-03 | 2007-04-05 | Rossewey Thomas A | Dry ice container and portable apparatus and process for the production of dry ice |
| US20080083763A1 (en) * | 2006-10-06 | 2008-04-10 | Peter Nielsen | Drinking Vessel Dry Ice Filling Apparatus and Method |
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2017
- 2017-02-15 CN CN201710081999.0A patent/CN106642875B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3922878A (en) * | 1974-01-11 | 1975-12-02 | Karchay Javid Jalali | Portable cooling unit |
| JPH02307819A (en) * | 1989-05-23 | 1990-12-21 | Iwatani Internatl Corp | Continuous production device of routine sized dry ice |
| CN1131625A (en) * | 1994-12-12 | 1996-09-25 | 株式会社科尔波 | Method and apparatus for transporting/storing chilled goods |
| EP0854334A1 (en) * | 1997-01-20 | 1998-07-22 | Carboxyque Française | Container for receiving carbon dioxide snow |
| CN1239773A (en) * | 1998-06-11 | 1999-12-29 | 株式会社科尔波 | Small chilling system and cold-keeping bag |
| JP2000065453A (en) * | 1998-08-19 | 2000-03-03 | Ishino Seisakusho:Kk | Cold insulation cover |
| CN2539946Y (en) * | 2002-04-08 | 2003-03-12 | 朱行郎 | Deep cold high efficient dry-ice machine |
| JP2005030674A (en) * | 2003-07-11 | 2005-02-03 | Masanobu Yatsugi | Cold air discharger |
| CN206514585U (en) * | 2017-02-15 | 2017-09-22 | 广州鲜之源生态冷链技术有限公司 | A kind of utilization dry ice is the fresh-keeping bag of low-temperature receiver |
| CN107914969A (en) * | 2017-12-29 | 2018-04-17 | 崔洋 | Biological sample storage device |
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| CN106642875A (en) | 2017-05-10 |
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