CN101926279B - Intelligent cultivation method and device for producing bean sprouts - Google Patents
Intelligent cultivation method and device for producing bean sprouts Download PDFInfo
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- CN101926279B CN101926279B CN2010102213926A CN201010221392A CN101926279B CN 101926279 B CN101926279 B CN 101926279B CN 2010102213926 A CN2010102213926 A CN 2010102213926A CN 201010221392 A CN201010221392 A CN 201010221392A CN 101926279 B CN101926279 B CN 101926279B
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Abstract
The invention discloses an intelligent cultivation method for bean sprouts. An incubator, a water tank, a base and a control system are provided, and the method comprises the following steps of control on heating, humidification and illumination. For the heating and humidification control, PID closed-loop control is adopted; a temperature and humidity sensor is installed in the incubator; a single chip processes a detected temperature and humidity signal and outputs a corresponding control signal; and a temperature and humidity control module realizes accurate control on the temperature and humidity in the incubator. The heating method is characterized in that air is directly heated by a heating rod, water is atomized by an ultrasonic atomizer, and then the hot air and the water mist are mixed by a fan at the bottom of a heating room and delivered mixture to the incubator. The illumination control is realized by using an LED lamp. The invention solves the problems of non-uniform spraying, excessive waste water, slow heating, high energy consumption, inaccurate temperature and humidity control and the like in the existing bean sprout cultivation device, and is applied to the devices such as a bean sprout incubator, a seed incubator, a household bean sprout growing machine, etc.
Description
Technical field
The invention belongs to a kind of intelligent cultural method of bud dish and be applicable to the intelligent culture apparatus of this method.Method of the present invention and isolated plant thereof can be used in the devices such as various bud dish incubators, seed culture case, family expenses bean sprout growing machine.
Background technology
Along with the raising of people's living standard, the food of some green healths more and more is subjected to people's attention, and people are also more and more higher to the security requirement of food simultaneously.The bean sprouts has been subjected to broad masses' welcome as a kind of pollution-free food.But the phenomenon of abusing violated chemicalss such as chemical fertilizer, hormone in recent years in the bean sprouts produces happens occasionally, and uses this class medicine with the serious harm health.Because market surveillance mechanism is perfect not enough, the difficult quality guarantee of bean sprouts causes the considerable part consumer dare not buy, eat the bean sprouts of selling on the market.Therefore, produce an urgent demand that nuisanceless bean sprouts, green bean sprouts become the consumer, the dish culture apparatus is also given birth to regard to application.
Bud dish culture apparatus or family expenses bean sprout growing machine have only the developing history in several years.The trickle mode that family expenses bean sprout growing machine in the market generally all adopts water pump to draw water, as described in Chinese patent CN 200969774Y, CN 200994268Y etc., the subject matter that the germination mode of this trickle is brought is: tend to cause the bean sprouts uneven because trickle is inhomogeneous; In addition, the consumption of this germination mode of trickle water is big, can produce a large amount of waste water.For using water wisely, prior art (family expenses bean sprout growing machine) generally adopts the mode of recycling water, and this mode can be impelled the bacterium raised growth again, and after adopting this mode to germinate to finish, the glassware for drinking water in the bean sprout growing machine has tangible peculiar smell.Have influence on the safety of bean sprouts in order to solve growing of bacterium, Chinese patent CN 201328299Y improves this automatic circulation trickle bean sprout growing machine, adopt ventilative boccaro to make pottery and replace the plastic production bean sprout growing machine, keep the ventilation of circulation trickle, the spoilage problems of water can be alleviated, but cycle water problem apt to deteriorate can not be fundamentally eliminated.In addition, make pottery to replace the plastic production bean sprout growing machine also to bring the cost height, problem such as weight increases and fictile is easy broken with boccaro.
Early stage family expenses bean sprout growing machine does not generally all have heater, this bean sprout growing machine just can not be used for having cultivated the bean sprouts in winter, in order also to cultivate the bean sprouts in winter, need on bean sprout growing machine, increase electro-heat equipment, the heater of family expenses bean sprout growing machine all is to be installed on water tank bottom at present, water in the water tank is heated, as Chinese patent CN 201015338Y, CN 200994268Y etc. are described, there is following drawback in this mode that directly water body is heated: (1) energy consumption height, programming rate is slow, the temperature that the water in the water tank (the approximately water of 2.2L) will be heated to the growth of suitable bean sprouts in winter needs a large amount of electric energy, and programming rate is slow; (2) bean sprouts is heated inhomogeneously, and the bean sprouts temperature of being drenched by warm water is suitable, growth better, the bean sprouts growth of being drenched by warm water is relatively poor; (3) the easy breed bacteria of warm water, because water body is heated, its temperature also relatively is fit to the growth of bacterium, therefore can have influence on the safety of bean sprouts.
Notification number is that the utility model of CN 201504466U discloses a kind of bean sprout growing machine with atomizer and heater, it is said to solve non-uniform spraying, the waste water problem how that automatic water spray type bean sprout growing machine exists, but the specification of this patent does not all relate to its heating and air-humidification method, control circuit etc. at all, cause this patent disclosure insufficient, make those skilled in the art can't implement this patent, and reach the described effect of this patent.
Along with the attention of masses for health, pursue healthy life, the consumer is more and more outstanding for the demand of the safety of bean sprouts and quality.So at above problem, we have developed a kind of intelligent cultural method of bud dish.
Summary of the invention
The objective of the invention is to overcome the defective of prior art, a kind of intelligent cultural method that the bud dish is cultivated and special intelligent culture apparatus that is applicable to this method of being applicable to is provided, the non-uniform spraying, the waste water that exist in the existing family expenses bud dish culture apparatus are many, programming rate is slow, energy consumption is high to solve, problems such as temperature control inaccuracy, particularly intelligent management inconvenience.
The present invention is achieved through the following technical solutions:
A kind of intelligent cultural method of bud dish, it comprises incubator (14), water tank (1), base (12) and control system, its step comprises heating, humidification and illumination control.Described base is positioned at the bottom of water tank, is provided with heating clamber (3) and spray chamber (11) in the base, and the top of spray chamber links to each other with the bottom of the guide duct (13) of water tank centre.One-chip computer module in the control system (18) respectively with heating module (19), humidification module (20), LED illumination module (21), temperature detecting module (22), temperature alarming module (23), display module (24) is connected with power module (25).The described thermal control step that adds adopts the PID closed-loop control, a digital temperature sensor (16) has been installed in described incubator, detect the temperature signal in the incubator and be sent to described input of single chip, described single-chip microcomputer with the processes temperature signal that obtains after PWM ripple of output, by control circuit of bidirectional thyristor, realize the incubator accuracy control over temperature.Wherein mode of heating is by the electric heater (4) that is installed in the heating clamber (3) air directly to be heated, by the fan (6) that is installed on the heating clamber bottom hot-air is sent into spray chamber (11) again, hot-air at spray chamber with after water smoke mixes, send in the incubator (14) by guide duct (13), make the temperature in the incubator also can remain 25 ℃-30 ℃ in winter.The digital temperature sensor (5) that another one is used for overtemperature protection also has been installed in heating clamber bottom; when single-chip microcomputer detects the temperature of heating clamber when too high; export a control signal; connect warning circuit; realize audio alarm; turn-off bidirectional triode thyristor simultaneously, stop heating, bud dish culture apparatus is realized defencive function.Humidity control step also is the closed loop control method that adopts, wherein humidification is by the water atomization of the ultrasonic ultrasonic delay line memory (10) that is positioned at spray chamber bottom tank with tank, and by the same fan of heating clamber bottom water smoke is sent in the incubator by same guide duct, make the relative moisture in the incubator remain 90%-95%.Illumination control in the incubator is controlled three groups of LED lamp glow colors and luminous power by single-chip microcomputer, and it is red, blue and white that the color of these three groups of LED lamps is respectively.
The applicant has designed a kind of intelligent culture apparatus that is exclusively used in said method, and this device comprises incubator (14), water tank (1), base (12) and control circuit board (9), and specific design is as follows:
A, described water tank (1) bottom are provided with base, and base (12) bottom is provided with bottom (8), and guide duct (13) is positioned in the middle of the water tank, and the spray chamber (11) in its lower end and the base links to each other, are connected with incubator (14) on it; Described water tank is connected for living with base, and guide duct is fixed the connection or the connection of living with water tank;
B, the interior middle part of described base (12) are provided with spray chamber (11), and the spray chamber left side is provided with heating clamber (3); The upper left side of described heating clamber is provided with air outlet (2), and this air outlet links to each other with spray chamber; The bottom of the guide duct in the middle of spray chamber top and the water tank links to each other, in the tank of spray chamber bottom ultrasonic ultrasonic delay line memory (10) is installed, below, spray chamber outside installation control circuit board (9);
The left side of C, described bottom (8) has air inlet (7), and fan (6) is installed at the air inlet place, and a digital temperature sensor (5) is installed on the support on fan, is used for measuring the temperature of heating clamber; Described electric heater (4) is a heating rod, and it is fixed on the support above the fan, and places the central part of described heating clamber;
One-chip computer module (18) in D, the described circuit board is connected with temperature control modules (21), temperature detecting module (22) temperature alarming module (23), humidity control module (24), humidity detecting module (25), LED illumination module (26), display module (27), keyboard input module (28) and power module (29) respectively.
E, described digital temperature sensor (16), humidity sensor (17) and LED illumination lamp (18) are installed on the top cover (15) on incubator (14) top.
F, described incubator (14) adopt with the installation site of described water tank (1) and arrange up and down or parallel arrangement.
The hot-air of heater generation is in the present invention sent into spray chamber by its bottom mounted fan, and the water smoke that produces with ultrasonic ultrasonic delay line memory mixes, and by same fan mixed hot-air and water smoke is sent into incubator by guide duct again.Hot-air and water smoke have not only guaranteed to cultivate the uniformity of the temperature inside the box and humidity, but also can make incubator oxygen abundance, the growth of favourable bud dish through fully mixing.
Adopt above-mentioned heating steps directly to add hot-air rather than directly add hot water, can saves energy, can guarantee simultaneously that the water body in the water tank is in lower room temperature always, be not easy breed bacteria, guarantee the quality requirements of bud dish growth and the requirement of safety, solved directly water body is added energy consumption height, the bean sprouts of pining for the existing problems such as inhomogeneous, the easy breed bacteria of warm water of being heated.
Adopt above-mentioned humidification step, the water fog particle that ultrasonic ultrasonic delay line memory produces is tiny evenly, the humidity that can guarantee incubator is even, this humidification method water-saving result is good simultaneously, basically do not produce waste water and the atomization quantity of ultrasonic ultrasonic delay line memory is to determine by a large amount of germination experiment, can guarantee that the bud dish reaches the highest to the absorption rate of water, bud dish growth evenly, thereby solved problems such as the big and trickle of the consumption of the water that exists in the trickle mode is inhomogeneous.In addition, the atomization quantity of ultrasonic ultrasonic delay line memory also can manual adjustment, can regulate the size of humidification amount according to the difference of bud dish of being cultivated or seed variety, to adapt to the demand of different cultivars plant to water.
Description of drawings
Accompanying drawing 8 is bean sprouts growth curve charts of two kinds of different heating humidification cultural methods;
Accompanying drawing 9 is incubator temperature response curve figure of temperature controlling step involved in the present invention.
Embodiment
The invention will be further described below in conjunction with accompanying drawing:
Control system theory diagram of the present invention as shown in Figure 3, the one-chip computer module in the control system (20) is connected with temperature control modules (21), temperature detecting module (22) temperature alarming module (23), humidity control module (24), humidity detecting module (25), LED illumination module (26), display module (27), keyboard input module (28) and power module (29) respectively.That described single-chip microcomputer adopts is MSP430, and that temperature detecting module adopts is digital temperature sensor DS18B20, and what heater element adopted is heating rod, and what the humidification device adopted is ultrasonic ultrasonic delay line memory, has the adjustable and excessive low water level protection function of atomization quantity.Described control system temperature control program flow chart is followed successively by single-chip microcomputer initialize routine (30), temperature survey program (31), temperature alarming program (32), display routine (33), temperature control program (34) etc. as shown in Figure 4.
When connecting power switch, SCM system starts and carries out corresponding control programs, and the temp. and humidity in the incubator is realized intelligent control.
Two temperature sensors in the circuit of Fig. 5, have been used; a temperature that is used for measuring heating clamber (3); when the heating clamber temperature surpasses set point of temperature; buzzer (LS1) sends chimes of doom; single-chip microcomputer turn-offs bidirectional triode thyristor (BT138) by the corresponding pulse signal of output simultaneously, makes heater stop heating; thereby the protection control device is avoided the too high control device that burns out of temperature.Another temperature sensor is used for measuring the temperature of incubator (14), realizes the closed-loop control of temperature.The incubator temperature controlling mainly is to utilize the PWM ripple of the EDM Generator of Adjustable Duty Ratio of a 100Hz of single-chip microcomputer output to isolate also anti-phase through photocoupler (model is moc3041), obtain a pulse signal, utilize this pulse signal to trigger bidirectional triode thyristor, the break-make of control bidirectional triode thyristor.The dutycycle that changes the PWM ripple just can change the phase shift (pilot angle) of trigger impulse, thereby changes the angle of flow of bidirectional triode thyristor, the size of regulating rectifier output voltage, and the work of control heater then realizes the incubator temperature controlling.The size of the dutycycle of PWM ripple is according to the actual temperature T of incubator and design temperature T
0Difference determine that when actual temperature is lower than design temperature, and the temperature difference is bigger, i.e. T
0During-T 〉=5 ℃, the dutycycle of PWM ripple is 1: 1, at this moment makes the angle of flow maximum of bidirectional triode thyristor, and control heater is with peak power work, and when actual temperature is lower than design temperature, and the temperature difference is less, i.e. T
0During-T＜5 ℃, carry out PID control, the dutycycle of PWM ripple increases along with reducing of the temperature difference, the trigger impulse phase gt of photocoupler output, the pilot angle of bidirectional triode thyristor is increased, the angle of flow reduces, output voltage reduces, the heat that adds of heater reduces, thereby improves control accuracy of temperature, when actual temperature reaches setting value, making the bidirectional triode thyristor angle of flow by the phase shift that changes trigger impulse is zero, be that bidirectional triode thyristor is in off state, output voltage is zero, and heater stops heating.
What the humidity control in the incubator was adopted also is closed-loop control, with the temperature control mode basically identical, specifically implements circuit as shown in Figure 6.Humidity sensor (HIH4000) detects the relative moisture in the incubator, deliver to the analog quantity input port of single-chip microcomputer, single-chip microcomputer is according to humidity size of setting in advance and the actual humidity value in the incubator, utilize pid control algorithm, export a PWM ripple, by the humidification amount of SCR control circuit control ultrasonic ultrasonic delay line memory, thereby realize the humidity control that incubator is interior.
Fig. 7 is the display floater circuit theory diagrams, single-chip microcomputer reads the data of incubator temperature sensor and directly exports the driving charactron by P3.0-P3.7 and P5.2-P5.3 port and shows corresponding temperature value, in addition, also have 3 LED lights to be used as heating, humidification and power supply indication.
Fig. 8 is the mung bean sprouts growth curve that adopts heating of the present invention and air-humidification method to cultivate, and the mung bean sprouts growth curve that adopts the spray bean sprout growing machine cultivation of commercially available normal domestic use band water body heating, test period is winter, environmental temperature is 15 ℃, used mung bean is No., medium green, purchases the happy agricultural industry Co., Ltd of planting in Hubei.By contrasting two bean sprouts growth curves, visible heating of the present invention and air-humidification method have the effect of highly significant to the growth that promotes the bean sprouts.Fig. 9 is to use the temperature response curve figure of bud dish culture apparatus incubator in this test of warming and humidifying method of the present invention, in this test, described incubator (14) directly places the top (stacking up and down) of water tank (1), in other test, described incubator (14) is parallel placement with water tank, and two kinds of embodiments all can reach above-mentioned effect.
Claims (6)
1. the intelligent cultural method of a bud dish, it comprises incubator (14), water tank (1), base (12) and control system, its step comprises heating, humidification and illumination control, it is characterized in that, base is positioned at the bottom of water tank, be provided with heating clamber (3) and spray chamber (11) in the base, the top of spray chamber links to each other with the bottom of the guide duct (13) of water tank centre; One-chip computer module in the control system (20) is connected with temperature control modules (21), temperature detecting module (22), temperature alarming module (23), humidity control module (24), humidity detecting module (25), LED illumination module (26), display module (27), keyboard input module (28) and power module (29) respectively; The described thermal control step that adds adopts closed loop control method, be air directly to be heated by the electric heater (4) that is installed in the heating clamber (3), by the fan (6) that is installed on the heating clamber bottom hot-air is sent into spray chamber (11) again, hot-air, is sent in the incubator (14) by guide duct (13) with after water smoke mixes at spray chamber; A digital temperature sensor (16) has been installed in described incubator, detect the temperature signal in the incubator and be sent to described input of single chip, described single-chip microcomputer with the processes temperature signal that obtains after control signal of output, by the temperature in the control circuit control incubator of bidirectional triode thyristor; The digital temperature sensor (5) that another one is used for overtemperature protection also has been installed in heating clamber bottom, has been realized reporting to the police and overtemperature protection; Described humidification control step adopts closed loop control method, be by the water atomization of the ultrasonic ultrasonic delay line memory (10) that is positioned at spray chamber bottom tank with tank, and the same fan bottom heating clamber is sent into water smoke in the incubator by same guide duct, a humidity sensor (17) has been installed in incubator, detect the relative moisture in the incubator, and transmit signals to the analog quantity input port of described single-chip microcomputer, described single-chip microcomputer is handled control signal of back output with the moisture signal that obtains, by the humidity in the control circuit control incubator of bidirectional triode thyristor.
2. the method for claim 1 is characterized in that, the illumination control in the incubator is controlled LED lamp glow color and luminous power by single-chip microcomputer.
3. method as claimed in claim 2, wherein the LED lamp adopts three groups of lamps of rubescent look, blueness and white light respectively.
4. the method for claim 1 is characterized in that, the temperature in the described incubator (14) is 25 ℃-30 ℃, and relative moisture is 90%--95%.
5. be exclusively used in the intelligent culture apparatus of the described method of claim 1, comprise incubator (14), top cover (15), water tank (1), base (12) and control circuit board (9), it is characterized in that:
A, described water tank (1) bottom are provided with base, and base (12) bottom is provided with bottom (8), and guide duct (13) is positioned in the middle of the water tank, and the spray chamber (11) in its lower end and the base links to each other, are connected with incubator (14) on it; Described water tank is connected for living with base, and guide duct is fixed the connection or the connection of living with water tank;
B, the interior middle part of described base (12) are provided with spray chamber (11), and the spray chamber left side is provided with heating clamber (3); The upper left side of described heating clamber is provided with air outlet (2), and this air outlet links to each other with spray chamber; The bottom of the guide duct in the middle of spray chamber top and the water tank links to each other, in the tank of spray chamber bottom ultrasonic ultrasonic delay line memory (10) is installed, below, spray chamber outside installation control circuit board (9);
The left side of C, described bottom (8) has air inlet (7), and fan (6) is installed at the air inlet place, and a digital temperature sensor (5) is installed on the support on fan, is used for measuring the temperature of heating clamber; Described electric heater (4) is a heating rod, and it is fixed on the support above the fan, and places the central part of described heating clamber;
One-chip computer module (20) in D, the described control circuit board (9) is connected with temperature control modules (21), temperature detecting module (22) temperature alarming module (23), humidity control module (24), humidity detecting module (25), LED illumination module (26), display module (27), keyboard input module (28) and power module (29) respectively;
E, digital temperature sensor (16), humidity sensor (17) and LED lamp (18) are installed on the top cover (15) on incubator (14) top.
6. the described intelligent culture apparatus of claim 5 is characterized in that, the installation site of described incubator (14) and described water tank (1) is for arranging up and down or being arranged in parallel.
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| CN2010102213926A CN101926279B (en) | 2010-06-29 | 2010-06-29 | Intelligent cultivation method and device for producing bean sprouts |
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| CN2010102213926A CN101926279B (en) | 2010-06-29 | 2010-06-29 | Intelligent cultivation method and device for producing bean sprouts |
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| CN114698543B (en) * | 2022-05-13 | 2023-11-17 | 湖北玉如意生物科技股份有限公司 | Living bean sprout culture device and monitoring method |
| CN116491423A (en) * | 2023-06-01 | 2023-07-28 | 湖南省棉花科学研究所 | Sweet potato tissue culture rapid propagation method and sterilization device applied to sweet potato tissue culture rapid propagation |
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