CN113418953A - Device and method for monitoring freezing process - Google Patents
Device and method for monitoring freezing process Download PDFInfo
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- CN113418953A CN113418953A CN202110192422.3A CN202110192422A CN113418953A CN 113418953 A CN113418953 A CN 113418953A CN 202110192422 A CN202110192422 A CN 202110192422A CN 113418953 A CN113418953 A CN 113418953A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/02—Investigating or analyzing materials by the use of thermal means by investigating changes of state or changes of phase; by investigating sintering
- G01N25/04—Investigating or analyzing materials by the use of thermal means by investigating changes of state or changes of phase; by investigating sintering of melting point; of freezing point; of softening point
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Abstract
The invention discloses a device and a method for monitoring a freezing process, which are characterized by comprising the following steps: arranging containers connected in series on a frozen article, isolating adjacent containers connected in series through a bursting sheet, arranging a piston which applies pressure and moves in a single direction in the first container, and arranging an icicle which props against the piston between the piston and the bursting sheet; the icicle is heated and melted into water, the volume of the water is reduced, and the piston moves forwards in a single direction; freezing water again to form ice, expanding volume and cracking sheets; the icicle is melted into water again, enters a lower-level container from the crack piece gap, and the piston moves forwards in a single direction; freezing water again to form ice volume expansion, expanding the lower-level expansion fragments, circulating in sequence, and observing whether the expansion fragments at all levels are expanded or not and whether ice and water exist in the container or not to know the melting frequency of the frozen articles; according to the method, the previous product thawing times can be obtained, and the product quality can be effectively judged.
Description
The original application of the divisional application is an invention application, and the original application number is as follows: 201910264770X, original invention name: a method for monitoring a freezing process, which is applied for the date of the original application: year 2019, 04 and 03.
Technical Field
The invention relates to unfreezing monitoring in a cold chain process of frozen product storage and transportation, in particular to a method and a device for monitoring a freezing process, which are used for monitoring unfreezing times.
Background
Some frozen products such as meat, meat products, fishing products, medicines and the like need to ensure a certain temperature in the process of a cold chain for storage and transportation, so that the quality of hand products of users can be ensured, and the products are influenced by factors such as equipment, environment, human factors and the like.
Disclosure of Invention
In order to solve the above problems, the present invention provides a method for monitoring a freezing process, comprising the steps of:
a. arranging containers connected in series on a frozen article, isolating adjacent containers connected in series through a bursting sheet, arranging a piston which applies pressure and moves in a single direction in the first container, and arranging an icicle which props against the piston between the piston and the bursting sheet;
b. the icicle is heated and melted into water, the volume of the water is reduced, and the piston moves forwards in a single direction;
c. freezing water again to form ice, expanding volume and cracking sheets;
d. the icicle is melted into water again, enters a lower-level container from the crack piece gap, and the piston moves forwards in a single direction;
e. and (4) freezing water again to form ice volume expansion, expanding the lower-level expansion fragments, circulating in sequence, and observing whether the expansion fragments at all levels are expanded or not and whether ice and water exist in the container or not to know the melting frequency of the frozen articles.
The device for implementing the monitoring method of the freezing process is characterized by comprising a primary container and a monitoring container, wherein the primary container is at least connected in series with more than two stages of monitoring containers, adjacent containers connected in series are isolated by a bursting sheet, a piston which applies pressure and moves in a single direction is arranged in the primary container, and an icicle which props against the piston is arranged between the piston and the bursting sheet;
furthermore, an upper positioning column inserted into the ice column and abutted against the piston is arranged at the central position of the upper end of the ice column, and a lower positioning column inserted into the ice column and fixedly connected with the primary container is arranged at the central position of the lower end of the ice column.
Furthermore, the cracking sheet is a hard sheet, and crossed tearing grooves are formed in the cracking sheet.
Furthermore, the expansion and cracking sheet is a flexible elastic membrane, and a sharp object capable of puncturing the flexible elastic membrane is arranged on one side of the flexible elastic membrane.
Furthermore, a pressure spring is arranged on one side of the piston opposite to the icicle, the piston is connected with inverted teeth through elastic sheets, and clamping positions which are matched with the inverted teeth and distributed along the moving direction of the piston are arranged on the inner wall of the primary container.
Furthermore, the piston is connected with a torsion spring, the piston is connected with a piston rod, the piston rod is matched with the threads on the inner wall of the primary container, and the torsion spring can drive the piston to rotate and feed forwards.
Furthermore, the piston is provided with an air leakage hole, and the lower part of the air leakage hole is provided with a floater sealing plug.
Furthermore, the monitoring container is provided with an air leakage hole, and the lower part of the air leakage hole is provided with a floater sealing plug.
Furthermore, a metal isolation plate is arranged between the adjacent series-connected containers, and a through hole is formed in the isolation plate.
Further, at least one of the first-stage container and the monitoring container is connected with the product through a binding belt.
According to the method, the first-stage bursting sheet can be cracked during each freezing process, and flows into the next-stage container after being unfrozen, so that the unfreezing times of the product can be obtained according to the method, and the quality of the product can be effectively judged.
Drawings
FIG. 1 is a schematic overall view of a second embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of a second embodiment of the invention.
Part name number in the figure: 1, a first-stage container; 2 monitoring the container; 3, a piston; 5, positioning columns are arranged; 6, lower positioning columns; 7, a spring; 8, a spring plate; 9, chamfering; 10 clamping; 11 an elastic film; 12 a sharp object; 13 air leakage holes; 14, sealing and blocking a floater; 15 a partition plate.
Detailed Description
The embodiment one of the invention provides a method for monitoring a freezing process, which comprises the following steps:
a. arranging containers in series on a frozen article, setting series stages according to the maximum meltable times of the product, isolating adjacent containers in series through a bursting sheet, arranging a piston which applies pressure and moves in one direction in the first container, and arranging an icicle which props against the piston between the piston and the bursting sheet;
b. the icicle is heated and melted into water, the volume of the water is reduced, and the piston moves forwards in a single direction;
c. freezing water again to form ice, expanding volume and cracking sheets;
d. the icicle is melted into water again, enters a lower-level container from the crack piece gap, and the piston moves forwards in a single direction;
e. and the frozen water is changed into ice for volume expansion again, the lower-level expansion fragments are expanded, the circulation is carried out in sequence, the times of melting the frozen articles can be known by observing whether the expansion fragments at all levels are expanded and whether ice and water exist in the container, and the product quality is effectively judged.
The second embodiment of the invention, the device for implementing the freezing process monitoring method comprises a primary container 1 and a monitoring container 2, the capacity of the primary container is larger than that of the monitoring container, the primary container is cylindrical, the primary container is at least connected in series with more than two monitoring containers, the series stages can be set according to the maximum melting frequency of the product, adjacent series containers are isolated by a bursting sheet, a unidirectional movable piston 3 for applying pressure is arranged in the primary container, an icicle for propping against the piston is arranged between the piston and the bursting sheet, the icicle can be formed by freezing water, an upper positioning column 5 for inserting the icicle and stopping the piston is arranged at the central position of the upper end of the icicle, a lower positioning column 6 for fixedly connecting the icicle and the primary container is arranged at the central position of the lower end of the icicle, different supports can be provided at different stages of temperature rise by adjusting the diameter and the length of the upper and the lower positioning columns, the temperature rise which does not affect the product quality is not enough to melt the icicle completely, the icicle support breaking piston moves forward beyond the temperature; in order to avoid the piston from retreating, a pressure spring 7 is arranged on one side, opposite to the icicle, of the piston, the piston is connected with a pawl 9 through an elastic sheet 8, screens 10 which are matched with the pawl and distributed along the moving direction of the piston are arranged on the inner wall of the primary container, the piston can only move forwards and cannot retreat, and the screens in all rows can be staggered, so that the stepping precision of feeding and retreat prevention is higher, and during implementation, a torsion spring is connected with the piston, the piston is connected with a piston rod, the piston rod is connected with threads matched with the inner wall of the primary container, and the torsion spring can drive the piston to rotate to feed forwards; the expansion crack sheet of the embodiment is a flexible elastic film 11, one side of the flexible elastic film is provided with a sharp object 12 capable of puncturing the flexible elastic film, the sharp object is needle-shaped, knife-edge-shaped or tooth-shaped, when water is frozen, the elastic film is extruded to the sharp object by volume expansion to be broken or cracked, when the expansion crack sheet is implemented, the expansion crack sheet can also be a hard sheet, such as plastic or metal, and the upper surface of the hard sheet is provided with crossed tearing grooves, so that the same purpose can be achieved; the piston is provided with an air leakage hole 13, and the lower part of the air leakage hole is provided with a floater sealing plug 14 which can discharge redundant air; a metal isolation plate 15 is arranged between the adjacent containers connected in series, and a through hole is formed in the isolation plate, so that water can permeate when the containers are melted, and the containers are quickly frozen and isolated when the containers are frozen; according to the method, the first-stage bursting sheet can be cracked during each freezing process, and flows into the next-stage container after being unfrozen, so that the unfreezing times of the product can be obtained according to the method, and the quality of the product can be effectively judged.
When the device is implemented, the monitoring container can also be provided with an air leakage hole, and the lower part of the air leakage hole is provided with a floater sealing plug to realize air exhaust; at least one of the first-level container and the monitoring container is connected with products through a binding belt, one batch of devices track to the bottom, and the same batch of products in the same device can be ensured by sticking bar codes identical to the tracing codes.
In summary, the present invention is only a specific embodiment, but not limited to the embodiment, and various technical features may be recombined to realize more implementations, and equivalent modifications and additions made by the present application without departing from the spirit of the present invention are considered to be within the technical scope of the present invention.
Claims (10)
1. A method of monitoring a freezing process, comprising the steps of:
a. arranging containers connected in series on a frozen article, isolating adjacent containers connected in series through a bursting sheet, arranging a piston which applies pressure and moves in a single direction in the first container, and arranging an icicle which props against the piston between the piston and the bursting sheet;
b. the icicle is heated and melted into water, the volume of the water is reduced, and the piston moves forwards in a single direction;
c. freezing water again to form ice, expanding volume and cracking sheets;
d. the icicle is melted into water again, enters a lower-level container from the crack piece gap, and the piston moves forwards in a single direction;
e. and (4) freezing water again to form ice volume expansion, expanding the lower-level expansion fragments, circulating in sequence, and observing whether the expansion fragments at all levels are expanded or not and whether ice and water exist in the container or not to know the melting frequency of the frozen articles.
2. An apparatus for implementing the method of monitoring a freezing process according to claim 1, comprising a first-stage container and a monitoring container, wherein the first-stage container is connected in series with at least two stages of monitoring containers, adjacent containers connected in series are isolated from each other by a bursting sheet, a piston capable of moving in one direction for applying pressure is arranged in the first-stage container, and an icicle for supporting the piston is arranged between the piston and the bursting sheet.
3. A device for monitoring the freezing process as claimed in claim 2, wherein the center of the upper end of the icicle is provided with an upper positioning post inserted into the icicle to abut against the piston, and the center of the lower end of the icicle is provided with a lower positioning post inserted into the icicle to be fixedly connected with the primary container.
4. The freezing process monitoring device according to claim 2, wherein the bursting disk is a hard disk provided with intersecting tearing grooves.
5. The device for monitoring a freezing process according to claim 2, wherein the bursting disk is a flexible elastic membrane, and a sharp object capable of being pierced is arranged on one side of the flexible elastic membrane.
6. A device for monitoring freezing process according to claim 2, wherein a pressure spring is provided on the side of the piston opposite to the icicle, the piston is connected with a pawl through a spring plate, and the inner wall of the primary container is provided with a clip which is matched with the pawl and is distributed along the moving direction of the piston.
7. The freezing process monitoring device of claim 2, wherein the piston is connected with a torsion spring, the piston is connected with a piston rod, the piston rod is provided with a thread matched with the inner wall of the primary container, and the torsion spring can drive the piston to rotate and feed forwards.
8. A device for monitoring freezing process according to claim 2, wherein said piston is provided with a ventilation hole, and a float seal is provided at the lower part of the ventilation hole.
9. A device for monitoring freezing process according to claim 2, wherein said monitoring container is provided with a ventilation hole, and a float sealing plug is provided at the lower part of the ventilation hole.
10. A device for monitoring a freezing process according to claim 2, wherein a metal isolation plate is provided between adjacent containers connected in series, and the isolation plate is provided with a through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110192422.3A CN113418953A (en) | 2019-04-03 | 2019-04-03 | Device and method for monitoring freezing process |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910264770.XA CN109932386B (en) | 2019-04-03 | 2019-04-03 | Method for monitoring freezing process |
| CN202110192422.3A CN113418953A (en) | 2019-04-03 | 2019-04-03 | Device and method for monitoring freezing process |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910264770.XA Division CN109932386B (en) | 2019-04-03 | 2019-04-03 | Method for monitoring freezing process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113418953A true CN113418953A (en) | 2021-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110192422.3A Pending CN113418953A (en) | 2019-04-03 | 2019-04-03 | Device and method for monitoring freezing process |
| CN201910264770.XA Active CN109932386B (en) | 2019-04-03 | 2019-04-03 | Method for monitoring freezing process |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910264770.XA Active CN109932386B (en) | 2019-04-03 | 2019-04-03 | Method for monitoring freezing process |
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| Country | Link |
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Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57101721A (en) * | 1980-12-17 | 1982-06-24 | Mayekawa Mfg Co Ltd | Measuring device of freezing rate |
| ES2000152A6 (en) * | 1986-12-10 | 1987-12-16 | Garrido Vazquez Jose Angel | A frozen foodstuffs thawing detector device. |
| DE102006032435A1 (en) * | 2006-07-13 | 2008-01-17 | Sixt, Bernhard, Dr. | Transport container for keeping refrigerated frozen goods |
| CN103712704B (en) * | 2013-12-23 | 2015-12-09 | 朱宇尘 | A kind of storing temperature change frequency register |
| CN103760193B (en) * | 2014-02-13 | 2015-07-01 | 南京农业大学 | Method for quickly identifying freezing-thawing frequency of poultry meat |
| CN107144593B (en) * | 2017-06-01 | 2020-09-08 | 北京路桥通国际工程咨询有限公司 | Detector and detection method for freezing depth in tunnel in cold region |
| CN107389656A (en) * | 2017-07-31 | 2017-11-24 | 江南大学 | The method of beef fat quality comparison during Raman Characterization multigelation |
| CN108675662A (en) * | 2018-06-04 | 2018-10-19 | 安徽理工大学 | A kind of recycled aggregate Frozen-thawed cycled preprocess method |
| CN109112180B (en) * | 2018-09-10 | 2022-07-15 | 山东职业学院 | Method for measuring freeze-thaw times in freezing storage process |
-
2019
- 2019-04-03 CN CN202110192422.3A patent/CN113418953A/en active Pending
- 2019-04-03 CN CN201910264770.XA patent/CN109932386B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109932386A (en) | 2019-06-25 |
| CN109932386B (en) | 2021-06-15 |
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