CN109579451A - A kind of alkali-free fructus lycii drying machine remote monitoring system and its control method - Google Patents
A kind of alkali-free fructus lycii drying machine remote monitoring system and its control method Download PDFInfo
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- CN109579451A CN109579451A CN201811438015.0A CN201811438015A CN109579451A CN 109579451 A CN109579451 A CN 109579451A CN 201811438015 A CN201811438015 A CN 201811438015A CN 109579451 A CN109579451 A CN 109579451A
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- temperature
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- drying
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
- F26B9/06—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B5/00—Drying solid materials or objects by processes not involving the application of heat
- F26B5/04—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Sustainable Development (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a kind of alkali-free fructus lycii drying machine remote monitoring systems, including heater, for being thermally dried to fructus lycii；Vacuum pump, for carrying out vacuumize process in hothouse；Temperature sensor, for being detected to the indoor temperature of drying；Humidity sensor, for being detected to the indoor humidity of drying；Baroceptor, for being detected to the indoor vacuum degree of drying；Humidity-temperature feedback module, for carrying out feedback adjustment to the temperature setting curve after detection moment according to the variation of humidity；Temperature adjustmemt module, for being modified according to temperature value of the vacuum degree to detection moment；Controller adjusts heater and vacuum pump according to the output valve of temperature sensor, humidity sensor, baroceptor, humidity-temperature feedback module and temperature adjustmemt module in real time.The present invention is able to solve the deficiencies in the prior art, realizes long-range control, improves the control precision of technical process.
Description
Technical field
The present invention relates to fructus lycii deep process technology field, especially a kind of alkali-free fructus lycii drying machine remote monitoring system and its
Control method.
Background technique
Fructus lycii needs to be dried after picking, just can be carried out prolonged storage.Existing dry technology is
Fructus lycii is heated under vacuum conditions, is allowed to moisture content rapid evaporation, it is dry to achieve the purpose that.Traditional drying is set
For for drying process control accuracy difference, artificial experience is more relied on.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of alkali-free fructus lycii drying machine remote monitoring system and its controlling parties
Method is able to solve the deficiencies in the prior art, realizes long-range control, improves the control precision of technical process.
In order to solve the above technical problems, the technical solution used in the present invention is as follows.
A kind of alkali-free fructus lycii drying machine remote monitoring system, it is characterised in that: including,
Heater, for being thermally dried to fructus lycii；
Vacuum pump, for carrying out vacuumize process in hothouse；
Temperature sensor, for being detected to the indoor temperature of drying；
Humidity sensor, for being detected to the indoor humidity of drying；
Baroceptor, for being detected to the indoor vacuum degree of drying；
Humidity-temperature feedback module, for being carried out according to the variation of humidity to the temperature setting curve after detection moment
Feedback adjustment；
Temperature adjustmemt module, for being modified according to temperature value of the vacuum degree to detection moment；
Controller, according to temperature sensor, humidity sensor, baroceptor, humidity-temperature feedback module and temperature
The output valve of correction module adjusts heater and vacuum pump in real time.
A kind of control method of above-mentioned alkali-free fructus lycii drying machine remote monitoring system, comprising the following steps:
A, controller starts heater and preheats to hothouse according to preset preheating temperature curve；
B, after preheating, controller starts vacuum pump and vacuumizes to hothouse according to preset curve of vacuum；
C, controller controls the heating power of heater according to preset drying temperature curve；
D, the hothouse real-time humidity that humidity-temperature feedback module is detected according to humidity sensor, after detection moment
Temperature setting curve carry out feedback adjustment；
E, the hothouse vacuum degree that temperature adjustmemt module is detected according to baroceptor carries out the humidity value of detection moment
Amendment；
F, controller is adjusted according to heating power of the result in step D and step E to heater.
Preferably, carrying out feedback adjustment to the temperature setting curve after detection moment includes following step in step D
Suddenly,
D1, controller carry out reduction and raised variation to the heating power of heater respectively, to temperature in change procedure
It is recorded with the change curve of humidity；
D2, show that the offset correction function of temperature and humidity closes by regression analysis according to the change curve of temperature and humidity
System；
D3, the offset that the hothouse real-time humidity that humidity sensor in normal drying process detects is brought into temperature and humidity
Correction function relationship, obtains temperature adjustmemt amount, and controller is adjusted according to heating power of the temperature adjustmemt amount to heater.
Preferably, regression analysis includes the following steps in step D2,
D21, by different change curve normalizeds, and be put into the same coordinate system；
D22, change curve is segmented according to the size of the degree of deviation between different change curves, for same paragraph section
In curved section carry out feature point extraction, using extraction characteristic point carry out normal distribution fitting, then will be located at (μ-σ, μ+σ)
Characteristic point outside section is deleted；
D23, remaining characteristic point is re-started into curve matching, the curve after fitting is kept and the linear phase of virgin curve section
It closes；
D24, the curve of fitting is reconfigured as change curve, temperature is then obtained by regression analysis using change curve
The offset correction functional relation of degree and humidity.
Preferably, in step E, the modification method to humidity value is,
Wherein, P is predetermined vacuum degree, and P ' is practical vacuum degree, and h is actual humidity, and h ' is humidity after amendment, and k is ratio
Coefficient.
Brought beneficial effect is by adopting the above technical scheme: the present invention is by redesigning the long-range of drying equipment
Monitoring system accurately detects and controls temperature, humidity and vacuum, realizes the long-range monitoring of the dry overall process of fructus lycii
And control.By changing the heating power of heater, the offset correction functional relation of temperature and humidity is calculated, to improve
The control precision of the monitoring system fructus lycii drying process different for water content.The use characteristic point sieve of regression analysis process innovation
The mode of choosing reduces the operand of regression analysis in the colleague of guarantee regression analysis accuracy.Further by establishing humidity
With the functional relation of vacuum degree, influence of the fluctuation vacuum to moisture measurement can be reduced, to further increase heating temperature
Control precision.
Detailed description of the invention
Fig. 1 is the structure chart of a specific embodiment of the invention.
Specific embodiment
The standardized element used in the present invention can commercially, and shaped piece is according to specification and attached drawing
Record can carry out customized, and the specific connection type of each part is all made of in the prior art mature bolt, rivet, weldering
The conventional means such as connect, paste, this will not be detailed here.
Referring to Fig.1, the specific embodiment of the present invention includes,
Heater 1, for being thermally dried to fructus lycii；
Vacuum pump 2, for carrying out vacuumize process in hothouse；
Temperature sensor 3, for being detected to the indoor temperature of drying；
Humidity sensor 4, for being detected to the indoor humidity of drying；
Baroceptor 5, for being detected to the indoor vacuum degree of drying；
Humidity-temperature feedback module 6, for being carried out according to the variation of humidity to the temperature setting curve after detection moment
Feedback adjustment；
Temperature adjustmemt module 7, for being modified according to temperature value of the vacuum degree to detection moment；
Controller 8, according to temperature sensor 3, humidity sensor 4, baroceptor 5, humidity-temperature feedback module 6 with
And the output valve of temperature adjustmemt module 7 adjusts heater 1 and vacuum pump 2 in real time.
A kind of control method of above-mentioned alkali-free fructus lycii drying machine remote monitoring system, comprising the following steps:
A, controller 8 starts heater 1 and preheats to hothouse according to preset preheating temperature curve；
B, after preheating, controller 8 starts vacuum pump 2 and take out very to hothouse according to preset curve of vacuum
It is empty；
C, controller 8 controls the heating power of heater 1 according to preset drying temperature curve；
D, the hothouse real-time humidity that humidity-temperature feedback module 6 is detected according to humidity sensor 4, to detection moment it
Temperature setting curve afterwards carries out feedback adjustment；
E, the hothouse vacuum degree that temperature adjustmemt module 7 is detected according to baroceptor 5, to the humidity value of detection moment into
Row amendment；
F, controller 8 is adjusted according to heating power of the result in step D and step E to heater 1.
In step D, feedback adjustment is carried out to the temperature setting curve after detection moment and is included the following steps,
D1, controller 8 carry out reduction and raised variation to the heating power of heater 1 respectively, to change procedure medium temperature
Degree and the change curve of humidity are recorded；
D2, show that the offset correction function of temperature and humidity closes by regression analysis according to the change curve of temperature and humidity
System；
D3, the hothouse real-time humidity that humidity sensor 4 in normal drying process detects is brought into temperature and humidity inclined
Correction function relationship is moved, obtains temperature adjustmemt amount, controller 8 is adjusted according to heating power of the temperature adjustmemt amount to heater 1
It is whole.
In step D2, regression analysis includes the following steps,
D21, by different change curve normalizeds, and be put into the same coordinate system；
D22, change curve is segmented according to the size of the degree of deviation between different change curves, for same paragraph section
In curved section carry out feature point extraction, using extraction characteristic point carry out normal distribution fitting, then will be located at (μ-σ, μ+σ)
Characteristic point outside section is deleted；
Two endpoints of curved section are extracted as characteristic point, and are kept it from deleted；
D23, remaining characteristic point is re-started into curve matching, the curve after fitting is kept and the linear phase of virgin curve section
It closes；If two endpoints of curved section are fallen into outside the section (μ-σ, μ+σ), then the both ends of the curve after fitting are smoothed；
D24, the curve of fitting is reconfigured as change curve, temperature is then obtained by regression analysis using change curve
The offset correction functional relation of degree and humidity.
In step E, the modification method to humidity value is,
Wherein, P is predetermined vacuum degree, and P ' is practical vacuum degree, and h is actual humidity, and h ' is humidity after amendment, and k is ratio
Coefficient.
The present invention carries out temperature, humidity and vacuum accurate by the remote monitoring system of redesign drying equipment
It detects and controls, realizes the long-range monitoring and control of the dry overall process of fructus lycii.
In the description of the present invention, it is to be understood that, term " longitudinal direction ", " transverse direction ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown is merely for convenience of the description present invention, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (5)
1. a kind of alkali-free fructus lycii drying machine remote monitoring system, it is characterised in that: including,
Heater (1), for being thermally dried to fructus lycii；
Vacuum pump (2), for carrying out vacuumize process in hothouse；
Temperature sensor (3), for being detected to the indoor temperature of drying；
Humidity sensor (4), for being detected to the indoor humidity of drying；
Baroceptor (5), for being detected to the indoor vacuum degree of drying；
Humidity-temperature feedback module (6) carries out the temperature setting curve after detection moment for the variation according to humidity anti-
Feedback adjustment；
Temperature adjustmemt module (7), for being modified according to temperature value of the vacuum degree to detection moment；
Controller (8), according to temperature sensor (3), humidity sensor (4), baroceptor (5), humidity-temperature feedback module
(6) and the output valve of temperature adjustmemt module (7) adjusts heater (1) and vacuum pump (2) in real time.
2. a kind of control method of alkali-free fructus lycii drying machine remote monitoring system described in claim 1, it is characterised in that including
Following steps:
A, controller (8) starts heater (1) and preheats to hothouse according to preset preheating temperature curve；
B, after preheating, controller (8) starts vacuum pump (2) and take out very to hothouse according to preset curve of vacuum
It is empty；
C, controller (8) controls the heating power of heater (1) according to preset drying temperature curve；
D, the hothouse real-time humidity that humidity-temperature feedback module (6) is detected according to humidity sensor (4), to detection moment it
Temperature setting curve afterwards carries out feedback adjustment；
E, the hothouse vacuum degree that temperature adjustmemt module (7) is detected according to baroceptor (5), to the humidity value of detection moment into
Row amendment；
F, controller (8) is adjusted according to heating power of the result in step D and step E to heater (1).
3. the control method of alkali-free fructus lycii drying machine remote monitoring system according to claim 2, it is characterised in that: step
In D, feedback adjustment is carried out to the temperature setting curve after detection moment and is included the following steps,
D1, controller (8) carry out reduction and raised variation to the heating power of heater (1) respectively, to change procedure medium temperature
Degree and the change curve of humidity are recorded；
D2, the offset correction functional relation for obtaining temperature and humidity by regression analysis according to the change curve of temperature and humidity；
D3, the offset that the hothouse real-time humidity that humidity sensor (4) in normal drying process detects is brought into temperature and humidity
Correction function relationship, obtains temperature adjustmemt amount, and controller (8) is carried out according to heating power of the temperature adjustmemt amount to heater (1)
Adjustment.
4. the control method of alkali-free fructus lycii drying machine remote monitoring system according to claim 3, it is characterised in that: step
In D2, regression analysis includes the following steps,
D21, by different change curve normalizeds, and be put into the same coordinate system；
D22, change curve is segmented according to the size of the degree of deviation between different change curves, in same paragraph section
Curved section carries out feature point extraction, carries out normal distribution fitting using the characteristic point of extraction, then will be located at the section (μ-σ, μ+σ)
Outer characteristic point is deleted；
D23, remaining characteristic point is re-started into curve matching, the curve after fitting keeps linearly related with virgin curve section；
D24, the curve of fitting is reconfigured as change curve, then using change curve by regression analysis obtain temperature and
The offset correction functional relation of humidity.
5. the control method of alkali-free fructus lycii drying machine remote monitoring system according to claim 2, it is characterised in that: step
In E, the modification method to humidity value is,
Wherein, P is predetermined vacuum degree, and P ' is practical vacuum degree, and h is actual humidity, and h ' is humidity after amendment, and k is proportionality coefficient.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111123793A (en) * | 2019-12-29 | 2020-05-08 | 中国科学院西安光学精密机械研究所 | Vacuum test control system and method |
| CN113606891A (en) * | 2021-08-19 | 2021-11-05 | 安徽源光电器有限公司 | Drying system is used in capacitor fitting production |
| CN116931435A (en) * | 2023-09-07 | 2023-10-24 | 北京博远欣绿生物科技有限公司 | Automatic regulation and control system and method for cistanche deserticola processing and drying |
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| CN111123793A (en) * | 2019-12-29 | 2020-05-08 | 中国科学院西安光学精密机械研究所 | Vacuum test control system and method |
| CN113606891A (en) * | 2021-08-19 | 2021-11-05 | 安徽源光电器有限公司 | Drying system is used in capacitor fitting production |
| CN113606891B (en) * | 2021-08-19 | 2022-07-12 | 安徽源光电器有限公司 | Drying system is used in capacitor fitting production |
| CN116931435A (en) * | 2023-09-07 | 2023-10-24 | 北京博远欣绿生物科技有限公司 | Automatic regulation and control system and method for cistanche deserticola processing and drying |
| CN116931435B (en) * | 2023-09-07 | 2023-12-19 | 北京博远欣绿生物科技有限公司 | Automatic regulation and control system and method for cistanche deserticola processing and drying |
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