CN105786054A - Granary ventilation control system and granary ventilation control method - Google Patents
Granary ventilation control system and granary ventilation control method Download PDFInfo
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- CN105786054A CN105786054A CN201410822614.8A CN201410822614A CN105786054A CN 105786054 A CN105786054 A CN 105786054A CN 201410822614 A CN201410822614 A CN 201410822614A CN 105786054 A CN105786054 A CN 105786054A
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Abstract
The invention discloses a granary ventilation control system and a granary ventilation control method. The granary ventilation control system comprises a granary inside humiture sensor, a granary outside humidity sensor, and a controller. The granary inside humiture sensor is used to acquire the temperature and the humidity inside the granary. The granary outside humidity sensor is used to acquire the temperature and the humidity outside the granary. Under the control of the controller, when the difference between the temperature inside the granary and the temperature outside the granary is greater than the first preset threshold value, the ventilation can be carried out in the first way; when the difference between the temperature inside the granary and the temperature outside the granary is greater than the second preset threshold value, the ventilation can be carried out in the second way; and the first preset threshold value is smaller than the second preset threshold value. The ventilation of the granary and the ventilation way can be controlled according to the temperature and the humidity inside and outside the granary, and the automatic control of the granary ventilation can be realized, and therefore the power consumption can be reduced, the good ventilation effect can be achieved, and the energy-saving and emission-reduction effect can be realized.
Description
Technical field
The present invention relates to silo Ventilation Control technology, in particular it relates to a kind of silo ventilated control system and method.
Background technology
Silo is aerated in good time, because of grain ageing and the loss caused inferior during grain storage can be reduced, at present, ventilation operation is usually by manually completing, generally, it is aerated at the ventilation unit that the set time of every day opens each silo by operator, is aerated without the practical situation according to each silo.Such draft type accounts for have more than is needed too many manpower, if arranging full-time staff, compares waste of manpower, if arranging part-time staff, it is also possible to because lack a sense of responsibility or making time not cause ventilation improper thus causing damage.If additionally, the long meeting of ventilation time causes that grain moisture content causes the unnecessary loss in weight very little, if the too short meeting of ventilation time causes grain moldy metamorphism, damage grain quality.
Summary of the invention
It is an object of the invention to provide a kind of silo ventilated control system and method, for solving to automatically control the problem that silo ventilates.
To achieve these goals, the invention provides a kind of silo ventilated control system, this system includes: temperature sensor in storehouse, for obtaining the temperature in silo；Temperature sensor outside storehouse, for obtaining the temperature outside silo；And controller, when temperature in described silo and the temperature difference outside described silo are more than the first predetermined threshold, be aerated in the first manner, and the temperature difference outside the temperature in described silo and described silo more than the second predetermined threshold time, be aerated in the second；Wherein said first predetermined threshold is less than described second predetermined threshold.
Preferably, this system also includes: wind sensor, for obtaining the wind scale outside silo；And rain sensor, for obtaining the rainfall outside silo；Wherein, temperature difference outside described controller temperature in described silo and described silo more than the first predetermined threshold, described silo outside wind scale more than predetermined wind scale and described silo outside rainfall when being zero, being aerated in the first manner, this first kind of way is natural ventilation system.
Preferably, when the temperature difference outside described controller temperature in described silo and described silo is less than three predetermined thresholds, stopping being aerated in the first manner, described 3rd predetermined threshold is less than or equal to described first predetermined threshold.
Preferably, this system also includes: storehouse humidity sensor, for obtaining the humidity in silo；Humidity sensor outside storehouse, for obtaining the humidity outside silo；Wherein, temperature difference outside described controller temperature in described silo and described silo more than the humidity in the second predetermined threshold, described silo more than or equal to described silo outside humidity and temperature outside described silo more than dew point temperature time, being aerated in the second, this second way is force ventilation mode.
Preferably, when the temperature difference outside described controller temperature in described silo and described silo is less than four predetermined thresholds, stopping being aerated in the second, described 4th predetermined threshold is less than or equal to described second predetermined threshold.
Correspondingly, present invention also offers a kind of silo aeration control method, the method includes: obtain the temperature in silo；Obtain the temperature outside silo；And the temperature difference outside the temperature in described silo and described silo more than the first predetermined threshold time, it is aerated in the first manner, and the temperature difference outside the temperature in described silo and described silo more than the second predetermined threshold time, be aerated in the second；Wherein said first predetermined threshold is less than described second predetermined threshold.
Preferably, the method also includes: obtain the wind scale outside silo；Obtain the rainfall outside silo；And the temperature difference outside the temperature in described silo and described silo more than the first predetermined threshold, described silo outside wind scale more than predetermined wind scale and described silo outside rainfall when being zero, being aerated in the first manner, this first kind of way is natural ventilation system.
Preferably, the method also includes: when the temperature in described silo and the temperature difference outside described silo are less than three predetermined thresholds, stops being aerated in the first manner, and described 3rd predetermined threshold is less than or equal to described first predetermined threshold.
Preferably, the method also includes: obtain the humidity in silo；Obtain the humidity outside silo；Temperature difference outside temperature in described silo and described silo more than the humidity in the second predetermined threshold, described silo more than or equal to described silo outside humidity and temperature outside described silo more than dew point temperature time, being aerated in the second, this second way is force ventilation mode.
Preferably, the method also includes: when the temperature in described silo and the temperature difference outside described silo are less than four predetermined thresholds, stops being aerated in the second, and described 4th predetermined threshold is less than or equal to described second predetermined threshold.
Pass through technique scheme, the present invention by controlling the ventilation to silo and draft type according to the temperature and humidity in silo and outside silo, achieve automatically controlling that silo ventilates, such that it is able to reduce energy consumption and reach good ventilation effect, achieve energy-saving and emission-reduction well.
Other features and advantages of the present invention will be described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and constitutes the part of description, is used for explaining the present invention, but is not intended that limitation of the present invention together with detailed description below.In the accompanying drawings:
Fig. 1 is the block diagram of silo ventilated control system provided by the invention；
Fig. 2 is the block diagram of another silo ventilated control system provided by the invention；And
Fig. 3 is the flow chart of silo aeration control method provided by the invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.It should be appreciated that detailed description of the invention described herein is merely to illustrate and explains the present invention, it is not limited to the present invention.
Fig. 1 is the block diagram of silo ventilated control system provided by the invention, as it is shown in figure 1, this system includes temperature sensor and controller outside temperature sensor in storehouse, storehouse.In storehouse, temperature sensor is for obtaining the temperature in silo, outside storehouse, temperature sensor is for obtaining the temperature outside silo, when temperature difference outside controller temperature in silo and silo is more than the first predetermined threshold, it is aerated in the first manner, and the temperature difference outside the temperature in silo and silo more than the second predetermined threshold time, being aerated in the second, wherein the first predetermined threshold is less than the second predetermined threshold.
Specifically, when the temperature in silo and the temperature difference outside silo are less than or equal to the first predetermined threshold, it is not aerated；When temperature in silo and the temperature difference outside silo are more than the first predetermined threshold and less than or equal to the second predetermined threshold, it is aerated in the first manner；When temperature in silo and the temperature difference outside silo are more than the second predetermined threshold, it is aerated in the second.Wherein, the first predetermined threshold such as can be 2 DEG C, and the second predetermined threshold such as can be 8 DEG C, and certainly, the first predetermined threshold and the second predetermined threshold can be adjusted according to practical situation, for instance, in subtropical zone, the second predetermined threshold can set that to be 6 DEG C.
Fig. 2 is the block diagram of another silo ventilated control system provided by the invention, as in figure 2 it is shown, this system also includes wind sensor and rain sensor, this wind sensor is for obtaining the wind scale outside silo, and rain sensor is for obtaining the rainfall outside silo.Wherein, the temperature difference outside controller temperature in silo and silo more than the first predetermined threshold, silo outside wind scale more than predetermined wind scale and silo outside rainfall when being zero, be aerated in the first manner.
First predetermined threshold can be 2 DEG C, and predetermined wind scale can be 3 grades, i.e. tInterior temperature-tOuter temperature> 2 DEG C, wind-force > 3 grades and when rainfall is 0, it is aerated in the first manner, wherein tInterior temperatureFor the temperature in silo, tOuter temperatureTemperature outside for silo.First kind of way as described herein is natural ventilation system, and natural ventilation system such as includes being aerated by automatic storehouse window.
When temperature difference outside controller temperature in silo and silo is less than three predetermined thresholds, stopping being aerated in the first manner, the 3rd predetermined threshold is less than or equal to the first predetermined threshold.Such as, when the first predetermined threshold is 2 DEG C, the 3rd predetermined threshold can be the value less than or equal to 2 DEG C, for instance, it is possible to it is 2 DEG C, 1 DEG C etc..When the second predetermined threshold is 2 DEG C, then controller can at tInterior temperature-tOuter temperature< when 2 DEG C, stop being aerated in the first manner.
System as shown in Figure 2 also includes humidity sensor outside storehouse humidity sensor and storehouse.Storehouse humidity sensor is for obtaining the humidity in silo, and outside storehouse, humidity sensor is for obtaining the humidity outside silo.Temperature difference outside controller temperature in silo and silo more than the humidity in the second predetermined threshold, silo more than or equal to silo outside humidity and temperature outside silo more than dew point temperature time, be aerated in the second.
Second predetermined threshold can be 8 DEG C, i.e. tInterior temperature-tOuter temperature> 8 DEG C, humidity outside humidity >=silo in silo and tOuter temperature> dew point temperature time, be aerated in the second, dew point temperature here be condensation time temperature.Wherein, first kind of way as described herein is force ventilation mode, and force ventilation mode such as includes being aerated by axial flow blower or centrifugal blower.
When temperature difference outside controller temperature in silo and silo is less than four predetermined thresholds, stopping being aerated in the second, the 4th predetermined threshold is less than or equal to the second predetermined threshold.Such as, when the second predetermined threshold is 8 DEG C, the 4th predetermined threshold can be the value less than or equal to 8 DEG C, for instance, 4 DEG C, 6 DEG C, 8 DEG C etc..When the 4th predetermined threshold is 4 DEG C, then controller can at tInterior temperature-tOuter temperature< when 4 DEG C, stop being aerated in the second.
It should be noted that when the 4th predetermined threshold is more than the second predetermined threshold, then controller is at the second predetermined threshold < tInterior temperature-tOuter temperature< during four predetermined thresholds, stop being aerated in the second, but can be aerated in the first manner.But, if the 4th predetermined threshold is less than or equal to the second predetermined threshold, then at tInterior temperature-tOuter temperature< during four predetermined thresholds, when stopping being aerated in the second, without starting the first draft type.
Fig. 3 is the flow chart of silo aeration control method provided by the invention, as it is shown on figure 3, the method includes: obtain the temperature in silo；Obtain the temperature outside silo；And the temperature difference outside the temperature in silo and silo more than the first predetermined threshold time, be aerated in the first manner, and the temperature in silo with silo outside temperature difference more than the second predetermined threshold time, be aerated in the second；Wherein the first predetermined threshold is less than the second predetermined threshold.
Specifically, as in figure 2 it is shown, first obtain the temperature in silo and obtain the temperature outside silo, it may be judged whether tInterior temperature-tOuter temperature< the second predetermined threshold, if it is judged that be yes, i.e. tInterior temperature-tOuter temperature< the second predetermined threshold, then be aerated in the second, if it is judged that be no i.e. tInterior temperature-tOuter temperature>=the second predetermined threshold, then continue to determine whether tInterior temperature-tOuter temperature< the first predetermined threshold.If it is judged that be yes, i.e. tInterior temperature-tOuter temperature< the first predetermined threshold, then be aerated in the first manner, if it is judged that be no, i.e. and tInterior temperature-tOuter temperature>=the first predetermined threshold, then do not start ventilation.
It should be noted that the detail of silo aeration control method provided by the invention and benefit are similar with silo ventilated control system provided by the invention, in this, it will not go into details.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing; but; the present invention is not limited to the detail in above-mentioned embodiment; in the technology concept of the present invention; technical scheme can being carried out multiple simple variant, these simple variant belong to protection scope of the present invention.
By technology provided by the invention, poor efficiency ventilation, invalid ventilation, excessive ventilation and harmful ventilation can be prevented effectively from, it is possible to effectively prevent condensation, Automated condtrol ventilation time and draft type, good ventilation effect can be reached with less energy consumption, achieve energy-saving and emission-reduction well.
It is further to note that each the concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, it is possible to be combined by any suitable mode.In order to avoid unnecessary repetition, various possible compound modes are no longer illustrated by the present invention separately.
Additionally, can also carry out combination in any between the various different embodiment of the present invention, as long as it is without prejudice to the thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (10)
1. a silo ventilated control system, it is characterised in that this system includes:
Temperature sensor in storehouse, for obtaining the temperature in silo；
Temperature sensor outside storehouse, for obtaining the temperature outside silo；And
Controller, when temperature in described silo and the temperature difference outside described silo are more than the first predetermined threshold, be aerated in the first manner, and the temperature difference outside the temperature in described silo and described silo more than the second predetermined threshold time, be aerated in the second；
Wherein said first predetermined threshold is less than described second predetermined threshold.
2. system according to claim 1, it is characterised in that this system also includes:
Wind sensor, for obtaining the wind scale outside silo；And
Rain sensor, for obtaining the rainfall outside silo；
Wherein, temperature difference outside described controller temperature in described silo and described silo more than the first predetermined threshold, described silo outside wind scale more than predetermined wind scale and described silo outside rainfall when being zero, being aerated in the first manner, this first kind of way is natural ventilation system.
3. system according to claim 2, it is characterized in that, when temperature difference outside described controller temperature in described silo and described silo is less than three predetermined thresholds, stopping being aerated in the first manner, described 3rd predetermined threshold is less than or equal to described first predetermined threshold.
4. system according to claim 1, it is characterised in that this system also includes:
Storehouse humidity sensor, for obtaining the humidity in silo；
Humidity sensor outside storehouse, for obtaining the humidity outside silo；
Wherein, temperature difference outside described controller temperature in described silo and described silo more than the humidity in the second predetermined threshold, described silo more than or equal to described silo outside humidity and temperature outside described silo more than dew point temperature time, being aerated in the second, this second way is force ventilation mode.
5. system according to claim 4, it is characterized in that, when temperature difference outside described controller temperature in described silo and described silo is less than four predetermined thresholds, stopping being aerated in the second, described 4th predetermined threshold is less than or equal to described second predetermined threshold.
6. a silo aeration control method, it is characterised in that the method includes:
Obtain the temperature in silo；
Obtain the temperature outside silo；And
When temperature in described silo and the temperature difference outside described silo are more than the first predetermined threshold, it is aerated in the first manner, and the temperature difference outside the temperature in described silo and described silo more than the second predetermined threshold time, be aerated in the second；
Wherein said first predetermined threshold is less than described second predetermined threshold.
7. method according to claim 6, it is characterised in that the method also includes:
Obtain the wind scale outside silo；
Obtain the rainfall outside silo；And
Temperature difference outside temperature in described silo and described silo more than the first predetermined threshold, described silo outside wind scale more than predetermined wind scale and described silo outside rainfall when being zero, being aerated in the first manner, this first kind of way is natural ventilation system.
8. method according to claim 7, it is characterised in that the method also includes:
When temperature in described silo and the temperature difference outside described silo are less than three predetermined thresholds, stopping being aerated in the first manner, described 3rd predetermined threshold is less than or equal to described first predetermined threshold.
9. method according to claim 6, it is characterised in that the method also includes:
Obtain the humidity in silo；
Obtain the humidity outside silo；
Temperature difference outside temperature in described silo and described silo more than the humidity in the second predetermined threshold, described silo more than or equal to described silo outside humidity and temperature outside described silo more than dew point temperature time, being aerated in the second, this second way is force ventilation mode.
10. method according to claim 9, it is characterised in that the method also includes:
When temperature in described silo and the temperature difference outside described silo are less than four predetermined thresholds, stopping being aerated in the second, described 4th predetermined threshold is less than or equal to described second predetermined threshold.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410822614.8A CN105786054A (en) | 2014-12-25 | 2014-12-25 | Granary ventilation control system and granary ventilation control method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410822614.8A CN105786054A (en) | 2014-12-25 | 2014-12-25 | Granary ventilation control system and granary ventilation control method |
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| CN201410822614.8A Pending CN105786054A (en) | 2014-12-25 | 2014-12-25 | Granary ventilation control system and granary ventilation control method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108353648A (en) * | 2018-02-11 | 2018-08-03 | 成都朗博旺科技发展有限公司 | A kind of multi-mode grain heap cooling system and silo for silo |
| CN113687671A (en) * | 2021-08-24 | 2021-11-23 | 大农(苏州)农业科技有限公司 | Control system for intelligently adjusting temperature of greenhouse |
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| US20030200773A1 (en) * | 2002-04-24 | 2003-10-30 | Lg Electronics Inc. | Combination drier and washer and aeration apparatus thereof |
| CN102393764A (en) * | 2011-11-14 | 2012-03-28 | 哈尔滨蒙鹰科技有限公司 | Automatic dehumidification system for food storehouse |
| CN202870656U (en) * | 2012-06-21 | 2013-04-10 | 广西中储粮仓储设备科技有限公司 | Intelligent ventilation control system for warehouse |
| CN104238488A (en) * | 2014-06-13 | 2014-12-24 | 吉林大学 | Method for carrying out granary mechanical ventilation operation management and control through water flow graph |
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2014
- 2014-12-25 CN CN201410822614.8A patent/CN105786054A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1041228A (en) * | 1989-08-09 | 1990-04-11 | 中华人民共和国商业部粮食储运局 | Automatic ventilation-controlling system for stored grain |
| US20030200773A1 (en) * | 2002-04-24 | 2003-10-30 | Lg Electronics Inc. | Combination drier and washer and aeration apparatus thereof |
| CN102393764A (en) * | 2011-11-14 | 2012-03-28 | 哈尔滨蒙鹰科技有限公司 | Automatic dehumidification system for food storehouse |
| CN202870656U (en) * | 2012-06-21 | 2013-04-10 | 广西中储粮仓储设备科技有限公司 | Intelligent ventilation control system for warehouse |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108353648A (en) * | 2018-02-11 | 2018-08-03 | 成都朗博旺科技发展有限公司 | A kind of multi-mode grain heap cooling system and silo for silo |
| CN113687671A (en) * | 2021-08-24 | 2021-11-23 | 大农(苏州)农业科技有限公司 | Control system for intelligently adjusting temperature of greenhouse |
| CN113687671B (en) * | 2021-08-24 | 2023-03-10 | 大农(苏州)农业科技有限公司 | Control system for intelligently adjusting temperature of greenhouse |
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