CN104054472B - A kind of dehumanization method being applicable to seed storage - Google Patents
A kind of dehumanization method being applicable to seed storage Download PDFInfo
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- CN104054472B CN104054472B CN201410213853.3A CN201410213853A CN104054472B CN 104054472 B CN104054472 B CN 104054472B CN 201410213853 A CN201410213853 A CN 201410213853A CN 104054472 B CN104054472 B CN 104054472B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/51—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture specially adapted for storing agricultural or horticultural products
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Abstract
The present invention relates to a kind of dehumanization method being applicable to seed storage, comprise evaporator, be arranged on some circulating fans of evaporator back end successively, for the control assembly that controls all circulating fans and the temperature sensor, humidity sensor and the refrigeration unit that are all connected with control assembly, described control assembly controls the operation of each circulating fan and refrigeration unit by the influence value sum of temperature sensor and humidity sensor, makes temperature and humidity sum real-time in seed storage bank meet the seed safety holding conditions of setting.Invention increases the effect on moisture extraction of seed safety storage, and make dehumidification system be applied to the specificity of agricultural seed warehouse, reasonability, practicality and energy saving and be also largely increased.
Description
Technical field
The present invention relates to agricultural seed storage technique field, particularly relate to a kind of dehumanization method being applicable to seed storage.
Background technology
Seed storage quality determines primarily of seed moisture content, when after seed drying, water content is lower, if (in certain temperature humidity range) can guarantee that water content does not raise in storage, then safer, because water content is elevated to a certain degree, seed is easily decayed, and now not easily preserves.Therefore, the key of seed safety storage is water content control, and water content is by the double influence of temperature and humidity in seed bank, as long as the integrated condition of temperature and humidity meets the water content standard of seed storage, just can preserve seed well.
In prior art, employing dehumidifier realizes the water content control to seed bank usually, the conventional cooled dehumidifier unit mainly single temperature spot of control room environment or humidity point, be applicable to allly require identical refrigerated dehumidification occasion, though applicability is wide, but the temperature and humidity integrated condition that seed safety repository needs can not be met, simultaneously because general cooled dehumidifier unit air circulation can not meet the Wind Volume requirement of seed bank, when general cooled dehumidifier unit is used for seed bank, in storehouse, the uniformity of air themperature and humidity is also undesirable.
In sum, the present invention proposes a kind of be applicable to seed storage dehumidification system and except warm method.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of dehumanization method being applicable to seed storage, for solving the technical problem of the water content control of agricultural seed safe storage.
The technical scheme that the present invention solves the problems of the technologies described above is as follows: a kind of dehumidification system being applicable to seed storage, comprise evaporator, be arranged on some circulating fans of evaporator back end successively, for the control assembly that controls all circulating fans and the temperature sensor, humidity sensor and the refrigeration unit that are all connected with control assembly, described evaporator connects described refrigeration unit, and described control assembly controls the operation of each circulating fan and refrigeration unit by the influence value sum of temperature sensor and humidity sensor.
On the basis of technique scheme, the present invention can also do following improvement.
Further, described dehumidification system also comprises water blocking member, it is arranged on evaporator back end along downstream direction, and installs some circulating fans successively again in water blocking member rear end, and described water blocking member blows to the condensed water of the evaporator surface on water blocking member when circulating fan runs for blocking.
Further, described water blocking member adopts water fender or condenser.
Further, described evaporator lower end is provided with drainpipe, discharges seed storage bank for the condensed water blocked by water blocking member.
Further, the quantity of described circulating fan is at least three.
Further, described evaporator, circulating fan, control assembly, temperature sensor and humidity sensor are all arranged in seed storage bank, and described refrigeration unit is arranged on outside seed storage bank.
Technical scheme of the present invention also comprises a kind of dehumanization method being applicable to seed storage, and it adopts above-mentioned dehumidification system, and concrete steps comprise:
Step 1, setting meets the temperature and humidity sum of seed safety holding conditions;
Step 2, the temperature and humidity in seed storage bank responded to respectively by employing temperature sensor and humidity sensor, and influence value is transferred to control assembly;
Step 3, control assembly controls the operation of each circulating fan and refrigeration unit by the influence value sum of temperature sensor and humidity sensor, makes temperature and humidity sum real-time in seed storage bank meet the seed safety holding conditions of setting in step 1.
Further, described step 3 also comprises: when the temperature and humidity sum in seed storage bank, when can not meet seed safety holding conditions, if temperature value is too high, then control assembly increases the unlatching quantity of circulating fan, realizes fast cooling, after temperature drops to setting range by increasing air quantity, control assembly reduces the unlatching quantity of circulating fan again, makes temperature and humidity sum meet the seed safety holding conditions of setting; If humidity value is too high, then control assembly reduces the unlatching quantity of circulating fan, realizes rapid moisture removal by reducing air quantity.
Further, when control assembly increases the unlatching quantity of circulating fan, air quantity increases, and the condensed water of evaporator surface is blown on water blocking member, after water blocking member blocks condensed water, then by drainpipe, condensed water is discharged seed storage bank.
Further, described step 3 also comprises: when temperature and humidity sum real-time in seed storage bank equals the seed safety holding conditions of setting, described control assembly stops the operation of all circulating fans and refrigeration unit.
The invention has the beneficial effects as follows:
One, the present invention is different from the single control temperature of traditional cooled dehumidifier unit or humidity, guarantee that seed moisture content meets seed safety holding conditions with temperature and humidity sum in seed storage bank, then do not run when temp. and humidity sum meets seed safety holding conditions or run circulating fan and refrigeration unit less, then need humidity, temperature condition simultaneously the to reach start and stop that requirement just can carry out circulating fan of traditional cooled dehumidifier unit.Therefore, dehumidification system of the present invention more traditional cooled dehumidifier unit is short for running time, saves energy consumption.
Two, the temperature range simultaneously due to seed safety preservation is relatively wide, in the region that temperature is high, when opening more circulating fan, air circulation is larger, now refrigeration unit is larger in high-temperature region refrigerating capacity, then just can meet the requirement of freeze drying, simultaneously to be also conducive to seed moisture evaporation in storehouse dried for Wind Volume, and in seed storage bank, the homogeneity question of temperature and humidity have also been obtained solution.
Three, due to air circulation large time, the condensed water on potential evaporation device is blown in seed storage bank, thus reduce effect on moisture extraction, the present invention have also been devised water blocking member, 60% of the water droplet in air-flow can be blocked, and be discharged to seed storage bank from drainpipe.
To sum up, invention increases the effect on moisture extraction of seed safety storage, and make dehumidification system be applied to the specificity of agricultural seed warehouse, reasonability, practicality and energy saving and be also largely increased.
Accompanying drawing explanation
Fig. 1 is the structural representation being applicable to the dehumidification system of seed storage of the present invention;
Fig. 2 is the schematic flow sheet being applicable to the dehumanization method of seed storage of the present invention.
In accompanying drawing, the list of parts representated by each label is as follows:
1, evaporator, 2, circulating fan, 3, control assembly, 4, temperature sensor, 5, humidity sensor, 6, water blocking member, 7, drainpipe, 8, refrigeration unit.
Embodiment
Be described principle of the present invention and feature below in conjunction with accompanying drawing, example, only for explaining the present invention, is not intended to limit scope of the present invention.
As shown in Figure 1, this gives a kind of dehumidification system being applicable to seed storage, comprise evaporator 1, be arranged on some circulating fans 2 of evaporator 1 rear end successively, for the control assembly 3 that controls all circulating fans 2 and the temperature sensor 4, humidity sensor 5 and the refrigeration unit 8 that are all connected with control assembly 3, described evaporator 1 connects described refrigeration unit 8, described evaporator 1, circulating fan 2, control assembly 3, temperature sensor 4 and humidity sensor 5 are all arranged in seed storage bank, and described refrigeration unit 8 is arranged on outside seed storage bank.Described control assembly 3 controls the operation of each circulating fan by the influence value sum of temperature sensor 4 and humidity sensor 5, and controls the refrigeration unit 8 that is arranged on outside storehouse.
For the condensed water avoided evaporating on device is blown in seed storage bank, thus reduction effect on moisture extraction, the present embodiment have also been devised water blocking member 6, it is arranged on evaporator 1 rear end along downstream direction, and in water blocking member 6 rear end, some circulating fans 2 are installed successively again, thus known, water blocking member 6 is arranged between circulating fan 3 and evaporator 1.Described water blocking member 6 blows to the condensed water of the evaporator surface on water blocking member 6 when circulating fan 2 runs for blocking.In actual applications, the condenser that can adopt water fender or have a dash effect is as water blocking member.Meanwhile, described evaporator lower end is provided with drainpipe 7, discharges seed storage bank for the condensed water blocked by water blocking member.In the present embodiment, the quantity of described circulating fan is at least three, for ease of introducing principle of the present invention and feature, hereafter to adopt three circulating fans to be described.
As shown in Figure 2, the concrete steps adopting above-mentioned dehumidification system to carry out seed storage bank dehumidifying comprise:
Step 1, setting meets the temperature and humidity sum of seed safety holding conditions;
Step 2, the temperature and humidity in seed storage bank responded to respectively by employing temperature sensor and humidity sensor, and influence value is transferred to control assembly;
Step 3, control assembly controls the operation of each circulating fan and refrigeration unit by the influence value sum of temperature sensor and humidity sensor, makes temperature and humidity sum real-time in seed storage bank meet the seed safety holding conditions of setting in step 1.
Wherein, described step 3 also comprises: when the temperature and humidity sum in seed storage bank, when can not meet seed safety holding conditions, if temperature value is too high, then control assembly increases the unlatching quantity of circulating fan (for 3 circulating fans, start 3 circulating fans by analysis simultaneously, air quantity is maximum), fast cooling is realized by increasing air quantity, after temperature drops to setting range, control assembly reduces the unlatching quantity of circulating fan again, temperature and humidity sum is made to meet the seed safety holding conditions of setting, evaporator surface condensed water is blown to water blocking member simultaneously, seed storage bank is flowed out by drainpipe again after blocking, if humidity value is higher, control assembly makes that the circulating fan of respective numbers is out of service (only can run 2 circulating fans, relative to the situation of 3, substantially reduce air quantity), to reduce air quantity, realize rapid moisture removal, when temperature and humidity sum real-time in seed storage bank equals the seed safety holding conditions of setting, described control assembly stops all circulating fans and refrigeration unit.
Therefore; as long as temperature (being detected by temperature sensor) and humidity (being detected by humidity sensor) influence value sum; when meeting seed storage safety requirements; circulating fan and refrigeration machine unit can be shut down; do not need temperature and humidity to reach setting value all respectively and could stop circulating fan, more confidential than general freeze drying energy-conservation.
Illustrate below by a concrete application examples.
General crop water content boundary is that wheat, paddy rice, corn seed etc. should below 13%; And vegetable legume seed should below 7%.Seed storage air should meet the following conditions thus: aerial temperature and humidity condition seed is adsorbed and analytic function reaches dynamic equilibrium time seed moisture content (equilibrium water conten) safety value under.Shown in the balance moisture content water content table 1 of general crop, the balance water price water content of dish legume-seeds is as shown in table 2.
Table 1 balances moisture content water content
Table 2 balances moisture content water content
Because seed safety storage key is water content control, and water content is by air themperature and humidity double influence in storehouse, therefore with air Fahrenheit temperature value and rh value sum for condition, that is:
Σ (safety value)=T (C) X1.8+32+RH (%) is control point.
From table 1 and table 2, can determine that the balance moisture content temperature humidity condition of seed safety water content 13% or 7% correspondence calculates Σ (safety value), and in this, as controlling the working procedure of control assembly of dehumidification system, make the temperature and humidity that seed storage bank reaches certain, thus ensure that seed moisture content is under safety value.Such as paddy rice, corn, wheat Σ (safety value)=20x1.8+32+55 (%)=123.It is 115 that physical device operating condition gets Σ (safety value) upper limit, can meet the safety condition containing water amount≤13%.Similarly, Σ (safety value) upper limit that can set Kidney bean class seed bank is 97.
Finally, often increase according to seed " saving and processing " recommending data temperature the holding conditions that 5 DEG C of safe moisture content should reduce by 1% and check, above-mentioned safety value meets the demands, and also conforms to above-mentioned according to external related introduction reserve temperature damp condition simultaneously.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. one kind is applicable to the dehumanization method of seed storage, it is characterized in that, adopt a kind of dehumidification system, described system comprises evaporator, is arranged on some circulating fans of evaporator back end successively, for the control assembly that controls all circulating fans and the temperature sensor, humidity sensor and the refrigeration unit that are all connected with control assembly, described evaporator connects described refrigeration unit, and described control assembly controls the operation of each circulating fan and refrigeration unit by the influence value sum of temperature sensor and humidity sensor; Concrete steps comprise:
Step 1, setting meets the temperature and humidity sum of seed safety holding conditions;
Step 2, the temperature and humidity in seed storage bank responded to respectively by employing temperature sensor and humidity sensor, and influence value is transferred to control assembly;
Step 3, control assembly controls the operation of each circulating fan and refrigeration unit by the influence value sum of temperature sensor and humidity sensor, makes temperature and humidity sum real-time in seed storage bank meet the seed safety holding conditions of setting in step 1;
When the temperature and humidity sum in seed storage bank, when can not meet seed safety holding conditions, if
Be that temperature value is too high, then control assembly increases the unlatching quantity of circulating fan, by increasing air quantity
Realize fast cooling, after temperature drops to setting range, control assembly to reduce circulating fan again
Open quantity, make temperature and humidity sum meet the seed safety holding conditions of setting; If humidity
Be worth too high, then control assembly reduces the unlatching quantity of circulating fan, realizes soon by reducing air quantity
Speed dehumidifying.
2. dehumanization method according to claim 1, it is characterized in that, described system also comprises water blocking member, and it is arranged on evaporator back end along downstream direction, and installs described circulating fan successively again in water blocking member rear end, evaporator lower end is provided with drainpipe, when control assembly increases the unlatching quantity of circulating fan, air quantity increases, and the condensed water of evaporator surface is blown on water blocking member, after water blocking member blocks condensed water, then by drainpipe, condensed water is discharged seed storage bank.
3. dehumanization method according to claim 1, it is characterized in that, described step 3 also comprises: when temperature and humidity sum real-time in seed storage bank equals the seed safety holding conditions of setting, described control assembly stops the operation of all circulating fans and refrigeration unit.
4. dehumanization method according to claim 2, is characterized in that, described water blocking member adopts water fender or condenser.
5. dehumanization method according to claim 1, is characterized in that, the quantity of described circulating fan is at least three.
6. dehumanization method according to claim 2, is characterized in that, described evaporator, circulating fan, control assembly, temperature sensor and humidity sensor are all arranged in seed storage bank, and described refrigeration unit is arranged on outside seed storage bank.
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105993418A (en) * | 2016-05-16 | 2016-10-12 | 李桂杰 | Ventilation and cooling system used for grains and ventilation and cooling method thereof |
| CN107065691A (en) * | 2017-05-27 | 2017-08-18 | 马鞍山绿丰种业有限公司 | A kind of fire-proof and damp-proof system for vegetable seeds storeroom |
| WO2019181007A1 (en) * | 2018-03-19 | 2019-09-26 | シャープ株式会社 | Air-conditioning device, air-conditioning method, and air-conditioning program |
| CN112042732A (en) * | 2020-08-25 | 2020-12-08 | 中国热带农业科学院热带作物品种资源研究所 | Sweet potato storage and preservation method |
| CN112304000A (en) * | 2020-10-23 | 2021-02-02 | 醉好科技运营(深圳)集团有限公司 | Temperature and humidity dynamic circulation control system for fruit and vegetable product cold storage |
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