CN104904894A - Tea leaf aroma improving machine and tea leaf intelligent control aroma improving pattern - Google Patents
Tea leaf aroma improving machine and tea leaf intelligent control aroma improving pattern Download PDFInfo
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- CN104904894A CN104904894A CN201510388643.2A CN201510388643A CN104904894A CN 104904894 A CN104904894 A CN 104904894A CN 201510388643 A CN201510388643 A CN 201510388643A CN 104904894 A CN104904894 A CN 104904894A
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Abstract
The invention discloses a tea leaf aroma improving machine and a tea leaf intelligent control aroma improving pattern. The tea leaf aroma improving machine comprises a box body, a heating device, a temperature and humidity sensor and a fuzzy PID controller. The control pattern is provided based on the tea leaf aroma improving machine. The control pattern applies a self-adapted fuzzy PID technology, and combines properties of physical and chemical changes of tea leaves in an aroma improving technology; a control mathematic model is established through an intelligent control algorithm and an aroma improving machine control system is planted; the control pattern is adjusted by verification of specific experiments. The control pattern can be used for machining given tea leaves, and can detect the moisture content and the feeding amount; the control system can be used for automatically calculating and adjusting equipment to reach optimal temperature and humidity; or technological parameters of the aroma improving machine on a control interface, such as temperature, time and the opening degree of a humidity discharging hole, can be directly set, and the technological parameters of a plurality of sections in an operation process also can be modified. Therefore, the intelligence of aroma improvement of the tea leaves is realized on the basis of guaranteeing the tea making effect.
Description
Technical field
The present invention relates to a kind of perfuming machine for tea and tealeaves intelligentized control method Titian pattern.
Background technology
Tea aroma is the important quality feature of tealeaves, and the Iron Guanyin, narcissus, Dongding Oolong Tea etc. of excellent quality have the natural fragrance of a flower; High-quality black tea often has fragrant and sweet and fruity fragrant; Jasmine tea fragrance is different according to the fragrant flower of institute's basement, has jasmin, the white orchid fragrance of a flower, bitter citrus immature flower perfume, the Zhulan tree fragrance of a flower, fragrance of osmanthus, Rose Essentielle etc.Fragrance component hundreds of kind in known tealeaves, different odor types is the different event of aroma substance composition.Tea aroma is evaporated by Tea Processing, the Titian technique of tealeaves is the committed step that the good fragrance of tealeaves is formed, particularly Famous High-quality Tea, needs high-quality slender joss stick deep and remote length, has tender odor type, different flavor such as milli odor type, ripe Chinese chestnut odor type etc. according to tea tree breed is different with leaf tenderness.
At present, the Titian of most of tealeaves carries out on fragrance extracting machine or Titian curer, adopt during fragrance extracting machine Titian and need to keep the homogeneous temperature in it constant, this not only needs reasonably to arrange heater, also need the air correct cycles made in fragrance extracting machine, only reach these 2 requirements and homogeneous temperature in fragrance extracting machine could be kept constant.Existing perfuming machine for tea, primarily of having the band door casing of air inlet and moisture exhausting port, blower fan, the rack be arranged in casing, heater and the formation such as temperature sensor, PLC, temperature sensor is connected with controller and controls heater by PLC.Existing perfuming machine for tea controls the power output of heater to regulate the temperature in casing by PLC, and control effects is bad, and in casing, temperature fluctuation is larger.
Summary of the invention
The technical problem to be solved in the present invention is to provide the good perfuming machine for tea of a kind of control effects.
The technical solution adopted for the present invention to solve the technical problems is: perfuming machine for tea, comprise casing, be arranged on casing and with its inner air inlet of being communicated with and moisture exhausting port and the heater be arranged in casing and temperature inductor; This fragrance extracting machine also comprises the fuzzy controller be arranged on casing, and described heater and temperature inductor are electrically connected with fuzzy controller respectively; Described fuzzy controller comprises obfuscation module and PID controller, and described obfuscation module comprises defuzzification interface, rule base, database, inference machine and ambiguity solution interface.
Further, in the casing that records according to temperature inductor of described fuzzy controller, temperature value calculates temperature deviation e
1with temperature deviation rate of change e
1c, and carry out obfuscation, building database Sum fanction storehouse, fuzzy reasoning and de-fuzzy process by obfuscation module, obtain the correction value of PID temperature-controlled parameter, then control the power output of heater by PID controller.
Further, described moisture exhausting port is provided with adjusting device, is also provided with the humidity sensor of adjustable moisture exhausting port aperture in described casing; Described adjusting device and humidity sensor are electrically connected with fuzzy controller respectively.
Further, the casing humidity value that described fuzzy controller records according to humidity sensor calculates humidity deviation e
2with humidity deviation rate of change e
2c, and carry out obfuscation, building database Sum fanction storehouse, fuzzy reasoning and de-fuzzy process by obfuscation module, obtains PID and to wet the correction value of control parameter, then control to adjust by PID controller the aperture that device regulates moisture exhausting port.
Present invention also offers a kind of tealeaves intelligentized control method Titian pattern based on above-mentioned perfuming machine for tea, comprise temperature-controlled process and humidity control method; Described temperature-controlled process comprises the following steps:
The temperature of a, kind, moisture content and inlet amount determination tea aroma raising according to tealeaves, and be preset in fuzzy controller;
B, the temperature value obtained by temperature inductor in casing, and compare with preset temperature value, calculate temperature deviation e
1with temperature deviation rate of change e
1c;
C, by temperature deviation e
1with temperature deviation rate of change e
1c carries out obfuscation as the input of obfuscation module, and sets up rule base and database based on a large amount of empirical data, then obtains the correction value of PID temperature-controlled parameter through fuzzy reasoning and de-fuzzy, and is input in PID controller control;
D, control the power output of heater by PID controller;
E, when temperature inductor detects that in casing, temperature is not equal to design temperature, repeat a ~ Step d.
Further, shown temperature-controlled process also comprises being in and comprises c ' step between step c and Step d; C ' step is by temperature deviation e
1be input in PID controller; A preset temperature deviate is also preset with in above-mentioned a step; B step also comprises and judges temperature deviation e
1with the size of preset temperature deviate, as temperature deviation e
1enter step c when being greater than preset temperature deviate and skip c ' step, as temperature deviation e
1skip step c when being less than or equal to preset temperature deviate and directly enter c ' step.
Further, the day part temperature control data according to obtaining after temperature-controlled process test of many times set up computer temperature-control program, and implant in computer by computer temperature-control program, by the power output of computer controlled refrigerating/heating apparatus.
Further, described humidity control method comprises the following steps:
A, in Fuzzy PID Control System preset a humidity value;
B, the humidity value obtained by humidity sensor in casing, and compare with default humidity value, calculate humidity deviation e
2with humidity deviation rate of change e
2c;
C, by humidity deviation e
2with humidity deviation rate of change e
2c carries out obfuscation as the input of obfuscation module, and sets up rule base and database based on a large amount of empirical data, the correction value of the control parameter that then wets through fuzzy reasoning and de-fuzzy acquisition PID, and is input in PID controller control;
D, to be controlled to adjust the aperture that device regulates moisture exhausting port by PID controller;
E, when humidity sensor detects that casing humidity is not equal to setting humidity, repeat A ~ D step.
Further, shown humidity control method also comprises being in and comprises C ' step between step C and D step; C ' step is by humidity deviation e
2be input in PID controller; A default humidity deviation value is also preset with in above-mentioned step A; Step B also comprises and judges humidity deviation e
2with the size of default humidity deviation value, as humidity deviation e
2enter step C when being greater than default humidity deviation value and skip C ' step, as humidity deviation e
2skip step C when being less than or equal to default humidity deviation value and directly enter C ' step.
Further, set up computer according to the day part humidity control data obtained after humidity control method test of many times and to wet control program, and the control program that wet by computer is implanted in computer, control by computer the aperture that adjusting device regulates moisture exhausting port.
The invention has the beneficial effects as follows: by fuzzy controller, temperature and humidity in casing is controlled to adjust, combine the advantage of fuzzy control and PID control, not only meet the requirement that exact matching controls, stability of control system is good simultaneously, make that the homogeneous temperature in casing is constant, humidity is suitable for, be of value to the quality improving Tea Processing, effectively meet the needs of tea aroma raising, improve the quality of tealeaves.
Accompanying drawing explanation
Fig. 1 is the enforcement structural representation of perfuming machine for tea in the present invention;
Fig. 2 is the temperature controlled schematic diagram of fuzzy;
Fig. 3 is the schematic diagram of fuzzy humid control;
Be labeled as in figure: casing 1, air inlet 11, moisture exhausting port 12, adjusting device 13, crosswind road 14, heater 2, temperature inductor 3, fuzzy controller 4, humidity sensor 5, blower fan 6, rotary shelf for placing articles 7, drive motors 8.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figure 1, perfuming machine for tea, comprise casing 1, be arranged on casing 1 and with its inner air inlet 11 of being communicated with and moisture exhausting port 12, be arranged on heater 2 in casing 1 and temperature inductor 3, the fuzzy controller 4 be arranged on casing 1; Described heater 2 and temperature inductor 3 are electrically connected with fuzzy controller 4 respectively; Described fuzzy controller 4 comprises obfuscation module and PID controller, and described obfuscation module comprises defuzzification interface, rule base, database, inference machine and ambiguity solution interface.Wherein, temperature inductor 3 is for detecting temperature in casing 1 in real time and feeding back to fuzzy controller 4.Shown in composition graphs 2, in the casing 1 that described fuzzy controller 4 records according to temperature inductor 3, temperature value calculates temperature deviation e
1with temperature deviation rate of change e
1c, and carry out obfuscation, building database Sum fanction storehouse, fuzzy reasoning and de-fuzzy process by obfuscation module, obtain the correction value of PID temperature-controlled parameter, then control the power output of heater 2 by PID controller.Temperature in fuzzy controller 4 pairs of casings 1 that this fragrance extracting machine is combined by obfuscation module and PID controller controls, improve temperature controlled accuracy and stability, make the homogeneous temperature in casing constant, be of value to the quality improving Tea Processing, effectively meet the needs of tea aroma raising, improve the quality of tealeaves.
As a preferred embodiment of the present invention, more as shown in Figure 1, described moisture exhausting port 12 is provided with the adjusting device 13 of adjustable moisture exhausting port 12 aperture, is also provided with humidity sensor 5 in described casing 1; Described adjusting device 13 and humidity sensor 5 are electrically connected with fuzzy controller 4 respectively.Adjusting device 13 is by changing the aperture of moisture exhausting port 12 to regulate the humidity in casing 1, and adjusting device 13 is generally stepper motor driven electrically operated valve or other gates.Preferably, shown in composition graphs 3, the casing 1 humidity value that described fuzzy controller 4 records according to humidity sensor 5 calculates humidity deviation e
2with humidity deviation rate of change e
2c, and carry out obfuscation, building database Sum fanction storehouse, fuzzy reasoning and de-fuzzy process by obfuscation module, obtains PID and to wet the correction value of control parameter, then controlled to adjust the aperture of device 13 by PID controller.Humidity in fuzzy controller 4 pairs of casings 1 that this fragrance extracting machine is combined by obfuscation module and PID controller controls, improve accuracy and the stability of humid control, humidity in casing is suitable for, be of value to the quality improving Tea Processing, effectively meet the needs of tea aroma raising, improve the quality of tealeaves.
Concrete, more as shown in Figure 1, this fragrance extracting machine also comprises the blower fan 6 be electrically connected with fuzzy controller 4; Be provided with crosswind road 14 in the sidewall of described casing 1, described blower fan 6 is arranged on crosswind road 14; The import in described crosswind road 14 and outlet respectively with the inner space of casing 1, import is arranged on the centre position of casing 1 madial wall, and outlet is two and in the bottom being separately positioned on casing 1 and top inner wall; Heater 2 generally includes two groups of heating tube groups be separately positioned on casing 1 sidewall of blower fan about 6 both sides, often organizes heating tube group and comprises at least two heating tubes.Blower fan 6 and air channel 14 make the air in casing 1 to form circulation, and Titian effect is better.Crosswind road 14 can be the passage being set directly at pars intramuralis in casing 1, also can be to be made up of the interlayer be arranged on casing 1 inwall, can also be made up of the pipeline be arranged on casing 1 inwall.Heater 2 heating effect that the two groups of heating tube groups laying respectively at blower fan about 6 both sides are formed is better, and layout is more reasonable, and hot-air can be blown in crosswind road 14 in time.Consider that heat itself has the characteristic of upwards assembling, in order to make heater 2 pairs of casing 1 internal upper parts consistent with the temperature of the air heat of bottom, the quantity being usually located at heating tube in the heating tube group on the upside of blower fan 6 is less than the quantity of the heating tube group heating tube be arranged on the downside of blower fan 6, and heating tube is preferably far-infrared heating tube.Usually the inductor for detecting circulating air flow velocity is also provided with in casing 1; the rotating speed of circulating air flow control blower fan 6 of fuzzy controller 4 by detecting, and the controlled quentity controlled variable revising heater 2 and adjusting device 13 according to the rate of change of circulating air flow velocity and circulating air flow velocity further.
More even in order to make the tealeaves being positioned over zones of different be heated, the tealeaves that obtained quality is higher, more as shown in Figure 1, this fragrance extracting machine also comprises and is arranged on rotary shelf for placing articles 7 in casing 1 and drive motors 8; Described rotary shelf for placing articles 7 comprises the rotating shaft and about at least two pieces shelfs be disposed in rotating shaft that vertically arrange; Described rotating shaft is connected with drive motors 8, and described drive motors 8 is electrically connected with fuzzy controller 4.Order about rotary shelf for placing articles 7 by fuzzy controller 4 drive motors 8 processed to rotate, further increase the intelligence degree of this fragrance extracting machine.This fragrance extracting machine also comprises usually for directly actuated man-machine interface.Man-machine interface is connected with fuzzy controller 4 by known control circuit.
Present invention also offers a kind of tealeaves intelligentized control method Titian pattern based on above-mentioned perfuming machine for tea, comprise temperature-controlled process and humidity control method; Described temperature-controlled process comprises the following steps:
The temperature of a, kind, moisture content and inlet amount determination tea aroma raising according to tealeaves, and be preset in fuzzy controller 4; A preset temperature deviate is preset in fuzzy controller 4; Time of usual Titian is also determined according to the kind of tealeaves, moisture content and inlet amount;
B, obtain the temperature value in casing 1 by temperature inductor 3, and compare with preset temperature value, calculate temperature deviation e
1with temperature deviation rate of change e
1c; Judge temperature deviation e
1with the size of preset temperature deviate, as temperature deviation e
1enter step c when being greater than preset temperature deviate and skip c ' step, as temperature deviation e
1skip step c when being less than or equal to preset temperature deviate and directly enter c ' step;
C, by temperature deviation e
1with temperature deviation rate of change e
1c carries out obfuscation as the input of obfuscation module, and set up rule base and database based on a large amount of empirical data, then obtain the correction value of PID temperature-controlled parameter through fuzzy reasoning and de-fuzzy, and the correction value of PID temperature-controlled parameter is input in PID controller control;
C ', by temperature deviation e
1be input in PID controller;
D, control the power output of heater 2 by PID controller;
E, when temperature inductor 3 detects that temperature in casing 1 is not equal to design temperature (temperature value namely in the casing 1 that gets of temperature inductor 3 is not equal to the temperature value preset in a step), repeat a ~ Step d.
Undertaken by said temperature control method, in the process of Titian, not only increasing temperature controlled accuracy and stability, can also reduce the steady-state error of fuzzy controller 4, control effects is better simultaneously.
Preferably, the day part temperature control data according to obtaining after temperature-controlled process test of many times set up computer temperature-control program, and implant in computer by computer temperature-control program, by the power output of computer controlled refrigerating/heating apparatus 2.
Humidity control method comprises the following steps:
A, in Fuzzy PID Control System, preset a humidity value and humidity deviation value;
B, obtain the humidity value in casing 1 by humidity sensor 5, and compare with default humidity value, calculate humidity deviation e
2with humidity deviation rate of change e
2c; Judge humidity deviation e
2with the size of default humidity deviation value, as humidity deviation e
2enter step C when being greater than default humidity deviation value and skip C ' step, as humidity deviation e
2skip step C when being less than or equal to default humidity deviation value and directly enter C ' step;
C, by humidity deviation e
2with humidity deviation rate of change e
2c carries out obfuscation as the input of obfuscation module, and set up rule base and database based on a large amount of empirical data, the correction value of the control parameter that then wets through fuzzy reasoning and de-fuzzy acquisition PID, and the correction value of the control parameter that wet by PID is input in PID controller control;
C ', by humidity deviation e
2be input in PID controller;
D, control to adjust by PID controller the aperture that device 13 regulates moisture exhausting port 12;
E, when humidity sensor 5 detects that casing 1 humidity is not equal to setting humidity (humidity value namely in the casing 1 that gets of humidity sensor 5 is not equal to the humidity value preset in step A), repetition A ~ D step.
Undertaken by above-mentioned humidity control method in the process of Titian, not only increase accuracy and the stability of humid control, can also reduce the steady-state error of fuzzy controller 4, control effects is better simultaneously.
Preferably, set up computer according to the day part humidity control data obtained after humidity control method test of many times and to wet control program, and the control program that wet by computer is implanted in computer, control by computer the aperture that adjusting device 13 regulates moisture exhausting port 12.
Claims (10)
1. perfuming machine for tea, comprise casing (1), be arranged on casing (1) upper and with its inner air inlet (11) of being communicated with and moisture exhausting port (12) and the heater (2) be arranged in casing (1) and temperature inductor (3); It is characterized in that: also comprise the fuzzy controller (4) be arranged on casing (1), described heater (2) and temperature inductor (3) are electrically connected with fuzzy controller (4) respectively; Described fuzzy controller (4) comprises obfuscation module and PID controller, and described obfuscation module comprises defuzzification interface, rule base, database, inference machine and ambiguity solution interface.
2. perfuming machine for tea as claimed in claim 1, is characterized in that: casing (1) the interior temperature value that described fuzzy controller (4) records according to temperature inductor (3) calculates temperature deviation e
1with temperature deviation rate of change e
1c, and carry out obfuscation, building database Sum fanction storehouse, fuzzy reasoning and de-fuzzy process by obfuscation module, obtain the correction value of PID temperature-controlled parameter, then control the power output of heater (2) by PID controller.
3. perfuming machine for tea as claimed in claim 1 or 2, it is characterized in that: described moisture exhausting port (12) is provided with the adjusting device (13) of adjustable moisture exhausting port (12) aperture, is also provided with humidity sensor (5) in described casing (1); Described adjusting device (13) and humidity sensor (5) are electrically connected with fuzzy controller (4) respectively.
4. perfuming machine for tea as claimed in claim 3, is characterized in that: casing (1) the humidity value that described fuzzy controller (4) records according to humidity sensor (5) calculates humidity deviation e
2with humidity deviation rate of change e
2c, and carry out obfuscation, building database Sum fanction storehouse, fuzzy reasoning and de-fuzzy process by obfuscation module, obtain PID wet control parameter correction value, then by PID controller control to adjust device (13) regulate moisture exhausting port (12) aperture.
5., based on the tealeaves intelligentized control method Titian pattern of the perfuming machine for tea described in claim 3 or 4, it is characterized in that: comprise temperature-controlled process and humidity control method; Described temperature-controlled process comprises the following steps:
The temperature of a, kind, moisture content and inlet amount determination tea aroma raising according to tealeaves, and be preset in fuzzy controller (4);
B, obtain the temperature value in casing (1) by temperature inductor (3), and compare with preset temperature value, calculate temperature deviation e
1with temperature deviation rate of change e
1c;
C, by temperature deviation e
1with temperature deviation rate of change e
1c carries out obfuscation as the input of obfuscation module, and sets up rule base and database based on a large amount of empirical data, then obtains the correction value of PID temperature-controlled parameter through fuzzy reasoning and de-fuzzy, and is input in PID controller control;
D, controlled the power output of heater (2) by PID controller;
E, when temperature inductor (3) detects that in casing (1), temperature is not equal to design temperature, repeat a ~ Step d.
6. tealeaves intelligentized control method Titian pattern as claimed in claim 5, is characterized in that: shown temperature-controlled process also comprises being in and comprises c ' step between step c and Step d; C ' step is by temperature deviation e
1be input in PID controller; A preset temperature deviate is also preset with in above-mentioned a step; B step also comprises and judges temperature deviation e
1with the size of preset temperature deviate, as temperature deviation e
1enter step c when being greater than preset temperature deviate and skip c ' step, as temperature deviation e
1skip step c when being less than or equal to preset temperature deviate and directly enter c ' step.
7. the tealeaves intelligentized control method Titian pattern as described in claim 5 or 6, it is characterized in that: the day part temperature control data according to obtaining after temperature-controlled process test of many times set up computer temperature-control program, and computer temperature-control program is implanted in computer, by the power output of computer controlled refrigerating/heating apparatus (2).
8. the tealeaves intelligentized control method Titian pattern as described in claim 5 or 6, is characterized in that: described humidity control method comprises the following steps:
A, in Fuzzy PID Control System preset a humidity value;
B, obtain the humidity value in casing (1) by humidity sensor (5), and compare with default humidity value, calculate humidity deviation e
2with humidity deviation rate of change e
2c;
C, by humidity deviation e
2with humidity deviation rate of change e
2c carries out obfuscation as the input of obfuscation module, and sets up rule base and database based on a large amount of empirical data, the correction value of the control parameter that then wets through fuzzy reasoning and de-fuzzy acquisition PID, and is input in PID controller control;
D, to be controlled to adjust the aperture that device (13) regulates moisture exhausting port (12) by PID controller;
E, when humidity sensor (5) detects that casing (1) humidity is not equal to setting humidity, repeat A ~ D step.
9. tealeaves intelligentized control method Titian pattern as claimed in claim 8, is characterized in that: shown humidity control method also comprises being in and comprises C ' step between step C and D step; C ' step is by humidity deviation e
2be input in PID controller; A default humidity deviation value is also preset with in above-mentioned step A; Step B also comprises and judges humidity deviation e
2with the size of default humidity deviation value, as humidity deviation e
2enter step C when being greater than default humidity deviation value and skip C ' step, as humidity deviation e
2skip step C when being less than or equal to default humidity deviation value and directly enter C ' step.
10. tealeaves intelligentized control method Titian pattern as claimed in claim 9, it is characterized in that: set up computer according to the day part humidity control data obtained after humidity control method test of many times and to wet control program, and the control program that wet by computer is implanted in computer, control by computer the aperture that adjusting device (13) regulates moisture exhausting port (12).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510388643.2A CN104904894B (en) | 2015-06-30 | 2015-06-30 | Perfuming machine for tea and tealeaves intelligentized control method Titian mode |
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|---|---|---|---|
| CN201510388643.2A CN104904894B (en) | 2015-06-30 | 2015-06-30 | Perfuming machine for tea and tealeaves intelligentized control method Titian mode |
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| CN104904894B CN104904894B (en) | 2019-02-19 |
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| CN106070927A (en) * | 2016-06-14 | 2016-11-09 | 四川中测量仪科技有限公司 | Folium Camelliae sinensis basement perfume (or spice) machine and Folium Camelliae sinensis basement perfume (or spice) intelligentized control method pattern |
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| CN112006118A (en) * | 2020-08-03 | 2020-12-01 | 湖北采花茶业有限公司 | Intelligent tea aroma raising system |
| CN113545401A (en) * | 2021-07-16 | 2021-10-26 | 岳西县长城机械有限公司 | Method for improving aroma of tea |
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| CN112006118A (en) * | 2020-08-03 | 2020-12-01 | 湖北采花茶业有限公司 | Intelligent tea aroma raising system |
| CN113545401A (en) * | 2021-07-16 | 2021-10-26 | 岳西县长城机械有限公司 | Method for improving aroma of tea |
| CN113545401B (en) * | 2021-07-16 | 2023-12-19 | 岳西县长城机械有限公司 | Tea aroma improving method |
| CN115325783A (en) * | 2022-07-20 | 2022-11-11 | 广西电网有限责任公司电力科学研究院 | Heat pump drying system for preserved fruits and control system thereof |
| CN115325783B (en) * | 2022-07-20 | 2023-08-22 | 广西电网有限责任公司电力科学研究院 | Control system of heat pump drying system for preserved fruits |
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