CN106258070A - A kind of seed freezing storage device and method - Google Patents
A kind of seed freezing storage device and method Download PDFInfo
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- CN106258070A CN106258070A CN201610653730.0A CN201610653730A CN106258070A CN 106258070 A CN106258070 A CN 106258070A CN 201610653730 A CN201610653730 A CN 201610653730A CN 106258070 A CN106258070 A CN 106258070A
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- temperature
- refrigerating sheet
- seed
- difference refrigerating
- layer
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C1/00—Apparatus, or methods of use thereof, for testing or treating seed, roots, or the like, prior to sowing or planting
Abstract
The invention discloses a kind of seed freezing storage device and method, wherein device includes outer container, temperature regulator and hot extension layer it is provided with in outer container, temperature regulator is variable to lead phase transformation chamber receptacle, having a gas dome having on-condensible gas on the variable cavity top leading phase transformation chamber receptacle, the inwall at fluid reservoir posts one layer of wick being filled with hydraulic fluid；Hot extension layer is phase transformation chamber receptacle, also has hydraulic fluid in the cavity of phase transformation chamber receptacle, is provided with first order temperature-difference refrigerating sheet between temperature regulator and hot extension layer, is provided with second level temperature-difference refrigerating sheet on hot extension layer.The present invention uses vigor liquid quick freezing to avoid Interior Seed to form ice crystal and seed cell is damaged, and then strengthens seed vitality；Temperature-difference refrigerating sheet step refrigeration is utilized to reach to reduce device volume, reduce the purposes such as investment, it is achieved the portability of seed freezing storage device, it is simple to popularization and application in common peasant household.
Description
Technical field
The present invention relates to a kind of freezing storage device and method, particularly relate to a kind of Portable seed freezen protective dress
Put and method.
Background technology
In agricultural production, most important goods and materials are exactly germ plasm resource, and under normal operation, seed is generally by giving birth to year after year
Produce the production of hybrid seeds to reserve seed for planting and preserve, but the seed that the holding time is longer, its vigor and bud ratio all can be greatly reduced, even not sprout
Send out.Use deepfreeze technology that the holding time can be made longer, it is possible to allow seed maintain vigour.Conventional compact formula refrigeration produces
Although Cryogenic air can allow seed dormancy, but owing to air conduction coefficient is little so that seed Cold pretreatment process needs
Time is the longest, needs 3 to 5 hours, and due to variations in temperature slowly, first ice crystal produces between seed cell, so
The most intracellular ice crystal that creates again, thus causes intraor extracellular pressure unbalanced, thus destroys protoplasm and cell membrane,
Cell cracking, death may be caused.It addition, compression refrigeration equipment volume is relatively big, apparatus expensive, it is unfavorable for entering in common peasant household
Row is universal to be used.
Being inspired by cell Low-temperature Ice crystallization theory, the freezing curve of combined innovation, the present invention utilizes has special component
Vigor liquid seed is carried out the pretreatment before freezen protective, be greatly shortened pretreatment time, the supercool shape of regulation protoplast
State, avoids Interior Seed to form ice crystal as far as possible, and then prevents the damage in refrigerating process of the cereal seed cell.It addition, this
Bright also proposition uses temperature-difference refrigerating sheet step refrigeration modes, reaches to reduce device volume, reduce the purposes such as investment, it is achieved seed is cold
Freeze the portability of save set, it is simple to popularization and application in common peasant household.
Summary of the invention
For solving the deficiencies in the prior art, the present invention provides a kind of and prevents cereal seed cell damage in refrigerating process
Hinder, be easy to Portable seed freezing storage device and the method for popularization and application in common peasant household.
For solving above-mentioned technical problem, the technical solution used in the present invention is:
A kind of Portable seed freezing storage device, including outer container, it is characterised in that: in described outer container, it is provided with temperature adjusting
Device and hot extension layer, described temperature regulator is variable to lead phase transformation chamber receptacle, at the variable cavity leading phase transformation chamber receptacle
One gas dome having on-condensible gas is arranged at top, has one to have hydraulic fluid in the variable cavity bottom leading phase transformation chamber receptacle
Fluid reservoir, the inwall at described fluid reservoir posts one layer of wick being filled with hydraulic fluid；Described hot extension layer is phase transformation cavity
Container, also has hydraulic fluid in the cavity of phase transformation chamber receptacle, and the cavity wall in phase transformation chamber receptacle also posts one layer and fills
There is the wick of hydraulic fluid；First order temperature-difference refrigerating sheet it is provided with between described temperature regulator and hot extension layer, first
The cold end of level temperature-difference refrigerating sheet and the wall contacts of described temperature regulator, the hot junction of first order temperature-difference refrigerating sheet is expanded with described heat
The contact internal walls of exhibition layer, is provided with second level temperature-difference refrigerating sheet, the cold end of second level temperature-difference refrigerating sheet on described hot extension layer
With the wall contacts of described hot extension layer, fin is set in the hot junction of second level temperature-difference refrigerating sheet, also sets up in described outer container
Have fan and supply module, described fan just to described fin, described supply module and described first order temperature-difference refrigerating sheet and
Second level temperature-difference refrigerating sheet connects.
Described fin includes that substrate and rib wing, described rib wing are distributed on substrate in " rice " font；Every described rib wing
It is to extend in 30 ° of angular both sides by midpoint.
Described supply module includes that lithium battery and the charge and discharge controlling charge and discharge parameter being connected with its outfan control
Module.
Described outer container includes base plate and the top box being positioned on described base plate, and described supply module is arranged on described base plate,
Described temperature regulator and hot extension layer are positioned at described top box.
Being additionally provided with an adiabatic cover plate on described top box, this thermal insulation cover plate is positioned at the upper of described first low pressure cavity container
At end opening.
A kind of method using seed freezing storage device freezen protective seed, it is characterised in that: comprise the steps:
Step one, it is configured to the vigor liquid of pretreatment；
Step 2, the vigor liquid configured is placed in temperature regulator, utilizes temperature-difference refrigerating sheet to carry out step refrigeration, by institute
The vigor liquid temp of stating maintains-60 ~-30 DEG C；
Step 3, carry out temperature adjusting, described vigor liquid is maintained this temperature levels；
Step 4, by seed silk screen parcel and by immersions described vigor liquid, seed immersion described vigor liquid carry out pretreatment
Time be 2 ~ 12 minutes；
Step 5, empty described vigor liquid, seed is carried out air cooling.
Described vigor liquid composition is: plant antifreeze glycoprotein 0.1% ~ 0.5%, the sodium chloride of 10 ~ 15%, the ethanol of 15 ~ 30%,
The chitin of 1 ~ 3% and the water of surplus.
The preferred component of described vigor liquid is: plant antifreeze glycoprotein 0.3%, the sodium chloride of 12.5%, the ethanol of 22.5%,
The chitin of 2% and the water of 82.7%.
Described step refrigeration is by the first order temperature-difference refrigerating sheet of inside and outside two-layer, second level temperature-difference refrigerating sheet and centre thereof
Hot extension layer freeze, the cold end of outer layer temperature-difference refrigerating sheet by described hot extension layer to temperature-difference refrigerating sheet described in internal layer
Hot junction cools down, and makes the cold end of temperature-difference refrigerating sheet described in internal layer reach lower temperature.
Being provided with silk screen in temperature regulator, screen diameter no more than 1mm is to prevent seed from spilling.
Adiabatic cover plate is made up of insulating panels and the handle being easy to movement, vigor liquid can be greatly lowered and dissipate with the external world
Heat, shortening processes the time, improves efficiency, reduces power consumption.
Temperature regulator is one variable to lead phase transformation chamber receptacle, has an air storage having on-condensible gas on its cavity top
Room, cavity inner wall is close to one layer of wick, and appropriate hydraulic fluid is arranged at cavity bottom.Wick is filled with hydraulic fluid.When vigor liquid
When temperature raises, there is evaporative phase-change in hydraulic fluid under heat effect, and in cavity, gas pressure increases, and on-condensible gas volume subtracts
Little, the effective work area of temperature-difference refrigerating sheet increases, and in the unit interval, the external heat output of vigor liquid increases, and temperature reduces, Jin Erda
To the purpose controlling temperature.Vigor liquid normal level should be the 1/3 of the temperature regulator degree of depth to ensure that temperature regulator stablizes work
Make.
Hot extension layer is a conventional phase transformation chamber receptacle, is close to one layer of wick at its cavity inner wall, and cavity bottom has suitable
Amount hydraulic fluid.Wick is full of described hydraulic fluid.Fixed gas in first order temperature-difference refrigerating sheet is because of described temperature regulator
During minimizing that volume expansion causes effective work area to reduce, refrigeration is exerted oneself, second level temperature-difference refrigerating sheet can be by sending out in hot extension layer
The hot junction of raw evaporation-condensation phase-change heat-exchange effect cooling first order temperature-difference refrigerating sheet.The design of hot extension layer is greatly improved the
The film-cooled heat of two grades of temperature-difference refrigerating sheets, and evaporation-condensation phase-change heat-exchange performance is the most superior, is conducive to promoting temperature-difference refrigerating
Performance.The retainer ring that a circle is coated with heat-insulating material is had, it is simple to described hot extension layer is with described above described hot extension layer
Fixing of outer container.
Outer container is equipped with the heat radiation of fan and supply module, beneficially supply module, it is ensured that power supply safety.Fan is just blowing fin
To strengthen the heat radiation of temperature-difference refrigerating sheet, improve work efficiency, reduce energy consumption.Supply module include lithium battery and with its outfan phase
The charge and discharge control module controlling charge and discharge parameter even.Described outer container is metal shell, if inside and outside wall is provided with dry hole, and side
The power supply of fan cooling and described temperature-difference refrigerating sheet stated by toilet；Top is provided with tapping hole, facilitates the fixing of described hot extension layer.
Temperature switch is positioned at inside temperature regulator, connects during higher than-30 DEG C；Display lamp is connected in its branch road.Gear
When switch is positioned at pretreatment shelves, temperature-difference refrigerating sheet all works；When being positioned at post processing shelves, temperature-difference refrigerating sheet part works, by temperature
The break-make of degree on-off control remainder.Display lamp is easy to user and is understood device duty: luminous, then contain in temperature regulator
The cooling medium put is higher than design temperature, is not available for operation；Extinguish, then device reaches duty, can operate.
Beneficial effect
The present invention relates to a kind of seed freezing storage device and method.The present invention utilizes-60 ~-30 DEG C to remain to keep liquid condition
Vigor liquid seed is carried out the pretreatment before freezen protective, can within a short period of time quick freezing avoid Interior Seed to form ice
Brilliant and seed cell damage, and then enhancing seed vitality；Utilize temperature-difference refrigerating sheet step refrigeration reach to reduce device volume,
Reduce the purposes such as investment, it is achieved the portability of seed freezing storage device, it is simple to popularization and application in common peasant household.
Accompanying drawing explanation
Fig. 1 seed freezing storage device axonometric drawing；
Fig. 2 seed freezing storage device explosive view；
Fig. 3 temperature regulator generalized section；
Fig. 4 is the A portion enlarged diagram of Fig. 3；
Fig. 5 hot extension layer generalized section；
Fig. 6 is the B portion enlarged diagram of Fig. 5；
Fig. 7 seed freezing storage device circuit diagram；
Fig. 8 star fin axonometric drawing；
Fig. 9 hot extension layer sidewall chamber liquid phase flow schematic diagram.
In figure, 1. adiabatic cover plate；2. temperature regulator；3. temperature-difference refrigerating sheet；The hottest extension layer；5. fin；6. go up
Case；7. fan；8. supply module；9. base plate；10. the louvre of outer container；11. gas domes；Suction in 12. temperature regulators
Wick-containing；Wick in 13. hot extension layers；14. retainer ring；15. thermal insulating warm-keeping layers.
Detailed description of the invention
Below in conjunction with the accompanying drawings the present invention is described in more detail:
A kind of Portable seed freezing storage device that the present invention proposes, overall as it is shown in figure 1, explosive view is as in figure 2 it is shown, include
Vigor liquid, silk screen, adiabatic cover plate 1, temperature regulator 2, temperature-difference refrigerating sheet 3, hot extension layer 4, star fin 5, equipped with power supply mould
Block 8 and the outer container of fan 7, driving switch, temperature switch and display lamp.
Adiabatic cover plate is by insulating panels and is easy to the handle of movement and forms, covering temperature regulator uncovered on.
The preferred component of vigor liquid is plant antifreeze glycoprotein 0.3%, the sodium chloride of 12.5%, the ethanol of 22.5%, the first of 2%
Shell element and the water of 82.7%.
Silk screen is placed in temperature regulator, and aperture is less than 1mm.
As shown in Figure 3, Figure 4.Temperature regulator is one variable to lead phase transformation chamber receptacle, and its cavity top has one to have not coagulate
The gas dome 11 of gas, cavity inner wall is close to one layer of wick, and appropriate hydraulic fluid is arranged at cavity bottom.Wick is filled with working solution
Body.The heat of absorption vigor liquid, the hydraulic fluid generation evaporative phase-change in cavity sidewalls wick, produce gas, run into and the
After the outer wall that the cold end of one-level temperature-difference refrigerating sheet is affixed, heat release condenses, and condensed fluid flow in cavity lower liquid along wall.
As shown in Figure 5, Figure 6.Hot extension layer is conventional phase transformation chamber receptacle, and its cavity inner wall is close to one layer of wick, empty
Appropriate hydraulic fluid is arranged at bottom, chamber.Wick is filled with hydraulic fluid.
In hot extension layer sidewall chamber, gas liquid two-phase flow is as shown in Figure 9.Absorb the heat in first order temperature-difference refrigerating sheet hot junction
Amount, the hydraulic fluid generation evaporative phase-change in cavity sidewalls wick, produce gas, run into what end cold with temperature-difference refrigerating sheet was affixed
After outer wall, heat release condenses, and condensed fluid flow in cavity lower liquid along wall.Under the effect of capillary wick capillary force, under wick
The liquid of side rises and evaporates, and then realizes circulated heat transmission continuously.
Temperature-difference refrigerating sheet carries out step refrigeration by supply module to its charging.The hot and cold two ends of internal layer temperature-difference refrigerating sheet
Face inwall with the outer wall of temperature regulator, hot extension layer respectively is affixed.The cold end of outer layer temperature-difference refrigerating sheet is close to hot extension layer
Outer wall, fin is posted in hot junction.
Fin is as shown in Figure 8: rib wing is distributed on substrate in " rice " font；Every rib wing is 30 ° of angular both sides by midpoint
Extend.
Outer container is divided into top box 6 and base plate 9 two parts.The top of top box arranges tapping hole, and some holes all arranged by inside and outside wall
Road, arranges the fan just blowing fin between inside and outside wall.Base plate is arranged supply module.Top box uses metal material with base plate, as
Aluminium alloy, annealed steel etc..
Supply module includes a lithium battery and a charge and discharge control module.Lithium battery is carried out by charge and discharge control module
Charge and temperature-difference refrigerating sheet is powered.
Temperature switch is positioned at inside temperature regulator, connects during higher than-30 DEG C；Display lamp is connected in its branch road.Gear
When switch is positioned at pretreatment shelves, temperature-difference refrigerating sheet all works；When being positioned at post processing shelves, temperature-difference refrigerating sheet part works, by temperature
The break-make of degree on-off control residue temperature-difference refrigerating sheet.
Claims (9)
1. a seed freezing storage device, including outer container, it is characterised in that: be provided with in described outer container temperature regulator with
And hot extension layer, described temperature regulator is variable to lead phase transformation chamber receptacle, on the variable cavity top leading phase transformation chamber receptacle
There is a gas dome having on-condensible gas, have a liquid storage having hydraulic fluid in the variable cavity bottom leading phase transformation chamber receptacle
Room, the inwall at described fluid reservoir posts one layer of wick being filled with hydraulic fluid；Described hot extension layer is phase transformation chamber receptacle,
In the cavity of phase transformation chamber receptacle, also there is hydraulic fluid, posts one layer at phase transformation chamber receptacle wall and be filled with hydraulic fluid
Wick；First order temperature-difference refrigerating sheet, first order temperature-difference refrigerating sheet it is provided with between described temperature regulator and hot extension layer
The wall contacts of cold end and described temperature regulator, the hot junction of first order temperature-difference refrigerating sheet connects with the inwall of described hot extension layer
Touch, described hot extension layer is provided with second level temperature-difference refrigerating sheet, the cold end of second level temperature-difference refrigerating sheet and described heat extension
The wall contacts of layer, arranges fin in the hot junction of second level temperature-difference refrigerating sheet, is additionally provided with fan and confession in described outer container
Electricity module, described fan is just to described fin, described supply module and described first order temperature-difference refrigerating sheet and second level temperature difference system
Cold connection.
Seed freezing storage device the most according to claim 1, it is characterised in that: described fin includes substrate and rib
Wing, described rib wing is distributed on substrate in " rice " font；Every described rib wing is to extend in 30 ° of angular both sides by midpoint.
Seed freezing storage device the most according to claim 1, it is characterised in that: described supply module include lithium battery and
The charge and discharge control module controlling charge and discharge parameter being connected with its outfan.
Seed freezing storage device the most according to claim 1, it is characterised in that: described outer container includes base plate and is positioned at institute
Stating the top box on base plate, described supply module is arranged on described base plate, and described temperature regulator and hot extension layer are positioned at institute
State in top box.
Seed freezing storage device the most according to claim 4, it is characterised in that: on described top box, it is additionally provided with one exhausted
Hot cover plate, this thermal insulation cover plate is positioned at the upper end open of described first low pressure cavity container.
6. the method using the arbitrary described seed freezing storage device freezen protective seed of claim 1-5, its feature exists
In: comprise the steps:
Step one, it is configured to the vigor liquid of pretreatment；
Step 2, the vigor liquid configured is placed in temperature regulator, utilizes temperature-difference refrigerating sheet to carry out step refrigeration, by institute
The vigor liquid temp of stating maintains-60 ~-30 DEG C；
Step 3, carry out temperature adjusting, described vigor liquid is maintained this temperature levels；
Step 4, by seed silk screen parcel and by immersions described vigor liquid, seed immersion described vigor liquid carry out pretreatment
Time be 2 ~ 12 minutes；
Step 5, empty described vigor liquid, seed is carried out long-time air cooling preservation.
Method the most according to claim 1, it is characterised in that: described vigor liquid composition is: plant antifreeze glycoprotein 0.1% ~
0.5%, the sodium chloride of 10 ~ 15%, the ethanol of 15 ~ 30%, the chitin of 1 ~ 3% and the water of surplus.
Method the most according to claim 7, it is characterised in that: the preferred component of described vigor liquid is: plant freeze proof sugar egg
White 0.3%, the sodium chloride of 12.5%, the ethanol of 22.5%, the chitin of 2% and the water of 82.7%.
9. according to the method described in claim 6,7 or 8, it is characterised in that: described step refrigeration is by the first of inside and outside two-layer
The hot extension layer of level temperature-difference refrigerating sheet, second level temperature-difference refrigerating sheet and centre thereof freezes, the cold end of outer layer temperature-difference refrigerating sheet
By described hot extension layer, the hot junction of temperature-difference refrigerating sheet described in internal layer is cooled down, make the cold end of temperature-difference refrigerating sheet described in internal layer
Reach lower temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610653730.0A CN106258070B (en) | 2016-08-10 | 2016-08-10 | A kind of seed freezing storage device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610653730.0A CN106258070B (en) | 2016-08-10 | 2016-08-10 | A kind of seed freezing storage device and method |
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| Publication Number | Publication Date |
|---|---|
| CN106258070A true CN106258070A (en) | 2017-01-04 |
| CN106258070B CN106258070B (en) | 2017-07-28 |
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| CN201610653730.0A Active CN106258070B (en) | 2016-08-10 | 2016-08-10 | A kind of seed freezing storage device and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108522500A (en) * | 2018-06-22 | 2018-09-14 | 南京中丰益农业科技有限公司 | A kind of cold-induced device and method of seed based on ultrasonic technology |
| CN108719280A (en) * | 2018-07-14 | 2018-11-02 | 沿河后花园农业观光旅游综合开发有限公司 | A kind of store method of lily ball tissue |
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| CN108719280A (en) * | 2018-07-14 | 2018-11-02 | 沿河后花园农业观光旅游综合开发有限公司 | A kind of store method of lily ball tissue |
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| Publication number | Publication date |
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| CN106258070B (en) | 2017-07-28 |
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