CN202819243U - Small phytotron for animal experiment - Google Patents

Small phytotron for animal experiment Download PDF

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Publication number
CN202819243U
CN202819243U CN 201220401767 CN201220401767U CN202819243U CN 202819243 U CN202819243 U CN 202819243U CN 201220401767 CN201220401767 CN 201220401767 CN 201220401767 U CN201220401767 U CN 201220401767U CN 202819243 U CN202819243 U CN 202819243U
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window
phytotron
temperature
circuit
sensor
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Withdrawn - After Issue
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CN 201220401767
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Chinese (zh)
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林初文
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Shandong Lvdu Bio Sicience & Technology Co Ltd
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Shandong Lvdu Bio Sicience & Technology Co Ltd
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Abstract

A small phytotron for animal experiment includes a body and a circuit controller, wherein the body comprises an animal feeding area, a temperature and humidity control area and a dividing cavity. The small phytotron for animal experiment is characterized in that the animal feeding area is provided with a temperature sensor, a humidity sensor, a barometric sensor, a gas components sensor, a light sensor, a wind speed sensor and a headlamp and the temperature and humidity control area is provided with an electric heating, a humidifier and a set of refrigeration equipment. A microcontroller is connected with the control circuit of the electric heating tube and the humidifier through a solid state relay, with the control circuit of the headlight through a digital rheostat, and with an exhaust blower and a blower through light isolated thyristor driving circuit. The small phytotron for animal experiment achieves the measurement and regulation of climate parameters, temperature, humidity, pressure, air components, light and wind speed in the animal feeding area, wherein the temperature is in the range of 0 DEG C to 50 DEG C, humidity is from 30% RH to 70% RH, the wind speed is regulated from 0.5 m/s to 5 m/s. The small phytotron for animal experiment overcomes the shortage of less or single simulated environment parameter in prior art.

Description

Meiofauna experiment phytotron
Technical field
The utility model relates to a kind of meiofauna experiment phytotron, in particular, relates in particular to a kind of meiofauna experiment phytotron that integrates temperature, humidity, illumination, wind speed, air pressure detection and regulate.
Background technology
In the manufacturing process of medicine seedling, zoopery is absolutely necessary.And it is more important to do the environmental condition that zoopery will reach.Many experiments are very high to environmental requirement, for example, sometimes need the environmental condition model (temperature be higher than 40 degrees centigrade, humidity be higher than simultaneously 70%RH and wind speed reach 1.5m/s when above) of high temperature, high humidity; The experiment condition that has not only has harsh requirement to temp. and humidity, and the air pressure in the experimental situation, illuminance and air pollutant are also had certain requirement; For above-mentioned experiment, and common Experimental Establishment (instrument and equipment) is difficult to reach required requirement of experiment, and experiment can't be carried out.
Summary of the invention
The utility model provides a kind of meiofauna experiment phytotron that integrates temperature, humidity, illumination, wind speed, air pressure detection and regulate in order to overcome the shortcoming of above-mentioned technical problem.
Meiofauna experiment phytotron of the present utility model has comprised the casing of insulation and sealing function and the circuit controller of the interior climatic environment of control casing, and box house is split into animal feeding district, Temperature and Humidity Control district and separate cavities; Be connected by rear connected entrance, front connected entrance respectively between described animal feeding district and Temperature and Humidity Control district, Temperature and Humidity Control district and the separate cavities, be connected by outlet regulating window, inlet adjusting window respectively between animal feeding district, separate cavities and the external world; Its special feature is: the inboard of described inlet adjusting window, outlet regulating window is respectively arranged with air exhauster, fan blower; Be provided with temperature sensor, humidity sensor, baroceptor, gas composition sensor, optical sensor, air velocity transducer in the animal feeding district, the top in animal feeding district is provided with illuminating lamp; Be provided with electric heating tube, humidifier and refrigeration plant in the Temperature and Humidity Control district;
Described circuit controller comprises microcontroller, and described temperature sensor, humidity sensor, baroceptor, gas composition sensor, optical sensor, air velocity transducer all are connected with the signals collecting port of microcontroller; The output of microcontroller is connected with the control circuit of electric heating tube, humidifier and refrigeration plant respectively by different solid-state relays, be connected with the control circuit of illuminating lamp by digital rheostat, be connected with the drive circuit of air exhauster and fan blower respectively by different light isolation controllable silicon drive circuits.
The animal feeding district is the experimental work zone, and separate cavities is used for wiring and electrical equipment is set, and the Temperature and Humidity Control district is used for laying heating, damping device.Extraneous air-flow enters into the animal feeding district by inlet adjusting window, front connected entrance, rear connected entrance successively, is flowing out by the outlet regulating window, for the gas exchange in the realization animal feeding district and the control of corresponding climate parameter.Air exhauster, fan blower are separately positioned on inlet adjusting window, outlet regulating window place, by the regulation and control to air exhauster, fan blower, can change the wind speed in the animal feeding district.Microcontroller leads to temperature sensor, humidity sensor, baroceptor, gas composition sensor, optical sensor, air velocity transducer realizes respectively measurement to temperature, humidity, air pressure, gas componant, intensity of illumination and wind velocity signal; By the control of solid-state relay realization to electric heating tube, humidifier duty, by the control of digital rheostat realization to the illuminating lamp luminous power, by the control of light isolation controllable silicon drive circuit realization to air exhauster, fan blower operating power.
Meiofauna experiment phytotron of the present utility model, the outside of described inlet adjusting window and outlet regulating window is provided with air cleaner; Be provided with import window stepper motor and exit window stepper motor that its aperture is controlled on inlet adjusting window, the outlet regulating window; Described import window stepper motor all is connected with microcontroller by impulse circuit, direction drive circuit and enable circuits with the exit window stepper motor, impulse circuit, direction drive circuit and enable circuits form by driving triode and photoelectric isolating circuit, and the control end that drives triode is connected with the output port of microcontroller.
By air cleaner is set, the effective airborne pollutant of filtering; Microcontroller can be controlled the aperture of inlet adjusting window, outlet regulating window respectively by import window, exit window stepper motor.
Meiofauna experiment phytotron of the present utility model, described microcontroller also is connected with the liquid crystal display control flow by the liquid crystal display driver module.By the liquid crystal display control flow, can show control information, also can carry out input operation.
Meiofauna experiment phytotron of the present utility model is provided with window on the casing of top, described animal feeding district; Described illuminance sensor is arranged at the bottom in animal feeding district; Air velocity transducer is arranged near the fan blower place.The staff can observe the situation in animal feeding zone by window.
Meiofauna experiment phytotron of the present utility model, described microcontroller also is connected with clock circuit and RS232 communication module.Clock circuit is used for providing date information to microcontroller, in order to phytotron is carried out period control.
Meiofauna experiment phytotron of the present utility model is provided with the pwm circuit module that light isolation controllable silicon drive circuit is carried out pwm signal control in the described microcontroller.Adopt pwm signal, can effectively realize the power adjusting of air exhauster, fan blower.
The beneficial effects of the utility model are: the utility model has been realized the measurement of temperature, humidity, air pressure, gas componant, illuminance and wind speed climate parameter in the animal feeding district effectively by sensor is set; And effectively realized raising the control of temperature, humidity and illuminance in the district by electric heating tube, humidifier, illuminating lamp, by the power control to air exhauster, fan blower, realized that the wind speed of raising the district regulates; And by the control to the aperture of inlet adjusting window, outlet regulating window, effectively realized raising the adjusting of district's internal gas pressure.The utility model in the animal feeding district, can realize temperature at 0~50 ℃, humidity in the random control and regulation between 0.5~5m/s of 30%~90%RH, wind speed.Meiofauna of the present utility model is tested the detection of phytotron collection temperature, humidity, wind speed, illumination and air pressure many kinds of parameters and is controlled in one, be convenient to simulate more complicated climatic environment, change the in the past less or single defective of phytotron simulated environmental parameters, had very high use value.
Description of drawings
Fig. 1 is the structural representation of front view of the present utility model;
Fig. 2 is the structural representation of vertical view of the present utility model;
Fig. 3 is the circuit theory diagrams of circuit controller in the utility model;
Fig. 4, Fig. 5 and Fig. 6 have formed the circuit diagram of circuit controller in the utility model.
Among the figure: 1 casing, 2 animal feeding districts, 3 Temperature and Humidity Control districts, 4 separate cavities, 5 inlet adjusting windows, 6 front connected entrances, 7 rear connected entrances, 8 outlet regulating windows, 9 windows, 10 air cleaners, 11 air exhausters, 12 electric heating tubes, 13 humidifiers, 14 temperature sensors, 15 humidity sensors, 16 baroceptors, 17 gas composition sensors, 18 optical sensors, 19 air velocity transducers, 20 fan blowers, 21 air cleaners, 22 illuminating lamps, 23 A.C. contactors, 24 circuit controllers, 25 microcontrollers, 26 liquid crystal display driver modules, 27 liquid crystal display control flows, 28 clock circuits, 29 RS232 communication modules, 30 refrigeration plants.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing and embodiment.
As depicted in figs. 1 and 2, provided the structure principle chart of meiofauna experiment phytotron of the present utility model, it comprises casing 1, animal feeding district 2, Temperature and Humidity Control district 3, separate cavities 4, inlet adjusting window 5, front connected entrance 6, rear connected entrance 7, outlet regulating window 8, window 9, air cleaner 10, air exhauster 11, fan blower 20, air cleaner 21.1 insulation of shown casing and sealing function, it can adopt polyurethane sheet to form and form; The internal cavities of casing 1 is separated into animal feeding district 2, Temperature and Humidity Control district 3 and separate cavities 4.Separate cavities 4 is connected by inlet adjusting window 5 with extraneous, separate cavities 4 is connected by front connected entrance 6 with Temperature and Humidity Control district 3, Temperature and Humidity Control district 3 is connected by rear connected entrance 7 with animal feeding district 2, animal feeding district 2 is connected by outlet regulating window 8 with extraneous, like this, can realize between animal feeding district, Temperature and Humidity Control district and the separate cavities gas communication and with the exchange of ambient atmos.
Inlet adjusting window 5 can adopt shutter, is provided with import window stepper motor on the inlet adjusting window 5, in order to the aperture of inlet adjusting window 5 is regulated.The inside and outside both sides of inlet adjusting window 5 are respectively arranged with air exhauster 11 and air cleaner 10, and air exhauster 11 is used for the air in the external world is pumped into separate cavities 4, the filtration that air cleaner 10 is realized air.Be provided with the exit window stepper motor on the outlet regulating window 8, in order to the aperture of outlet regulating window 8 is regulated; The inside and outside both sides of outlet regulating window 8 are respectively arranged with fan blower 20 and air cleaner 21, and fan blower 20 is used for the gas in animal feeding district 2 is discharged, flat and with the cooperating of air exhauster 11, realize the wind speed regulating action.
In animal feeding district 2, be provided with temperature sensor 14, humidity sensor 15, baroceptor 16, gas composition sensor 17, optical sensor 18, air velocity transducer 19, in order to realize the detection to the temperature in the animal feeding district, humidity, air pressure, gas componant, illuminance and wind velocity signal.Top in animal feeding district 2 also is provided with illuminating lamp 22; In order to realize accurately measuring of signal, optical sensor 18 is positioned at the bottom in animal feeding district 2, and air velocity transducer 19 is arranged at the zone near fan blower 20.Be provided with electric heating tube 12, humidifier 13, refrigeration plant 30 and A.C. contactor 23 in the Temperature and Humidity Control district 3, the heat effect that electric heating tube 12 is realized casing 1 interior gas, humidifier 13 is realized the humidification in casing 1 zone, by refrigeration plant 30, but the temperature in the fast reducing animal feeding district 2.The normal operation of the whole phytotron of circuit controller 24 controls.
As shown in Figure 3, provided the circuit theory diagrams of circuit controller in the utility model, it comprises microcontroller 25, liquid crystal display control flow 27, clock circuit 28 and RS232 communication module 29; Microcontroller 25 is realized the effect of signals collecting, data operation and control signal output, the output of temperature sensor 14, humidity sensor 15, baroceptor 16, gas composition sensor 17, optical sensor 18, air velocity transducer 19 all is connected with the input port of microcontroller 25, in order to various signal parameters are gathered.Clock circuit 28 is used for providing date information to microcontroller, in order to phytotron is carried out period control.Liquid crystal display control flow 27 is connected with microcontroller 25 by liquid crystal display driver module 26, in order to realize the input of control information demonstration and control instruction.Microcontroller is realized the communication effect by the RS232 communication module.
The output port of microcontroller 25 can be controlled the duty of electric heating tube, humidifier respectively by different solid-state relays, so that wet circuit is heated, adds in real time opening and closing.The output of microcontroller 25 changes series impedance in illuminating lamp 22 circuit by digital rheostat, reaches the control to illuminating lamp 22 luminous powers, finally reaches the adjusting to animal feeding district 2 illuminance.The output port of microcontroller 22 is controlled air exhauster 11, fan blower 20 respectively by two different light isolation controllable silicon drive circuits, in order to realize the power adjusting to air exhauster 11, fan blower 20.
Wherein, casing 1 can adopt the thick polyurethane purification plate of 5cm from making a casing, and panel weight is light, good heat insulating.Casing 1 can adopt following size: 165cm*95cm*90cm.In the bottom of casing 4 universal wheels can be installed; Conveniently moving.
Fig. 4, Fig. 5 and Fig. 6 have formed the circuit diagram of circuit controller in the utility model, and shown A7 is the Temperature Humidity Sensor insert row, are used for being connected with humidity sensor with temperature sensor; The A1 insert row is connected with air velocity transducer, after the processing of wind velocity signal through phase inverter chip 74HC14, is connected to the input port of microcontroller.The output signal of baroceptor adopts the RS485 communication modes, is connected to the input port of SP3485; The output of illumination signal transducer such as signal at first pass through after the amplification processing and voltage follow of power amplifier LM358, are being converted into the frequency signal that microprocessor can read by the RC4151 chip.
The duty of electric heater, humidifier and electric heater is controlled respectively in the two-way relay output of microcontroller, the output of microcontroller realizes the power of illuminating lamp is controlled through FET, triode, in order to adopt the PWM ripple of different duty to control the luminous power of illuminating lamp.Import window stepper motor all is connected with microcontroller by impulse circuit, direction drive circuit and enable circuits with the exit window stepper motor, and impulse circuit, direction drive circuit and enable circuits form by driving triode and photoelectric isolating circuit.
The climate state control method of meiofauna experiment phytotron of the present utility model, establishing the temperature value that requires to obtain is that A, humidity value are that B, wind speed are that C, illuminance are that D, atmospheric pressure value are E; It is characterized in that, may further comprise the steps:
A. temperature control, microcontroller 25 compares collecting temperature value and A by the temperature that temperature sensor 14 gathers in the animal feeding district 2; If equal A, not freezing does not heat yet; If greater than A, then control refrigeration plant and lower the temperature; If less than A, then control electric heating tube and heat;
B. humidity control, microcontroller compares humidity value and the B that gathers by the humidity that humidity sensor 15 gathers in the animal feeding district; If more than or equal to B, then control humidifier 13 and quit work; If less than B, then control humidifier and continue humidification;
C. wind speed control, the wind speed by air velocity transducer 19 gathers in the animal feeding district compares wind speed and the C that gathers; If greater than C, then reduce simultaneously the power of air exhauster 11 and fan blower 20; If less than C, then improve simultaneously the power of air exhauster and fan blower; If equal C, then keep the current power inconvenience of air exhauster and fan blower;
D. illumination control, the illuminance by optical sensor 18 gathers in the animal feeding district compares illuminance and the D that gathers; If greater than D, then increase the resistance of digital rheostat place in circuit, reduce the luminous power of illuminating lamp 22; If less than D, then reduce the resistance of digital rheostat place in circuit, increase the luminous power of illuminating lamp 22; If equal D, then keep the resistance inconvenience of digital rheostat place in circuit;
E. air pressure control, the air pressure by baroceptor 16 gathers in the animal feeding district compares atmospheric pressure value and the E that gathers; If greater than E, then reduce the aperture of inlet adjusting window 5, increase simultaneously the aperture of outlet regulating window 8; If less than E, then increase the aperture of inlet adjusting window, reduce simultaneously the aperture of outlet regulating window; If equal E, then keep the aperture inconvenience of inlet adjusting window, outlet regulating window.
Meiofauna of the present utility model is tested the detection of phytotron collection temperature, humidity, wind speed, illumination and air pressure many kinds of parameters and is controlled in one, be convenient to simulate more complicated climatic environment, change the in the past less or single defective of phytotron simulated environmental parameters, had very high use value.

Claims (6)

1. a meiofauna is tested phytotron, comprised the casing (1) of insulation and sealing function and the circuit controller (24) of the interior climatic environment of control casing, box house is split into animal feeding district (2), Temperature and Humidity Control district (3) and separate cavities (4); Be connected by rear connected entrance (7), front connected entrance (6) respectively between described animal feeding district and Temperature and Humidity Control district, Temperature and Humidity Control district and the separate cavities, be connected by outlet regulating window (8), inlet adjusting window (5) respectively between animal feeding district, separate cavities and the external world; It is characterized in that: the inboard of described inlet adjusting window, outlet regulating window is respectively arranged with air exhauster (11), fan blower (20); Be provided with temperature sensor (14), humidity sensor (15), baroceptor (16), gas composition sensor (17), optical sensor (18), air velocity transducer (19) in the animal feeding district, the top in animal feeding district is provided with illuminating lamp (22); Be provided with electric heating tube (12), humidifier (13) and refrigeration plant (30) in the Temperature and Humidity Control district (3);
Described circuit controller (24) comprises microcontroller (25), and described temperature sensor, humidity sensor, baroceptor, gas composition sensor, optical sensor, air velocity transducer all are connected with the signals collecting port of microcontroller; The output of microcontroller is connected with the control circuit of electric heating tube, humidifier and refrigeration plant respectively by different solid-state relays, be connected with the control circuit of illuminating lamp by digital rheostat, be connected with the drive circuit of air exhauster and fan blower respectively by different light isolation controllable silicon drive circuits.
2. meiofauna according to claim 1 is tested phytotron, and it is characterized in that: the outside of described inlet adjusting window (5) and outlet regulating window (8) is provided with air cleaner; Be provided with import window stepper motor and exit window stepper motor that its aperture is controlled on inlet adjusting window, the outlet regulating window; Described import window stepper motor all is connected with microcontroller by impulse circuit, direction drive circuit and enable circuits with the exit window stepper motor, impulse circuit, direction drive circuit and enable circuits form by driving triode and photoelectric isolating circuit, and the control end that drives triode is connected with the output port of microcontroller.
3. meiofauna according to claim 1 and 2 is tested phytotron, and it is characterized in that: described microcontroller (25) also is connected with liquid crystal display control flow (27) by liquid crystal display driver module (26).
4. meiofauna experiment phytotron according to claim 1 and 2 is characterized in that: be provided with window (9) on the casing (1) of top, described animal feeding district (2); Described optical sensor (18) is arranged at the bottom of animal feeding district (2); Air velocity transducer (19) is arranged near fan blower (20) and locates.
5. meiofauna according to claim 1 and 2 is tested phytotron, and it is characterized in that: described microcontroller (25) also is connected with clock circuit (28) and RS232 communication module (29).
6. meiofauna experiment phytotron according to claim 1 and 2 is characterized in that: be provided with the pwm circuit module that light isolation controllable silicon drive circuit is carried out pwm signal control in the described microcontroller (25).
CN 201220401767 2012-08-15 2012-08-15 Small phytotron for animal experiment Withdrawn - After Issue CN202819243U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102805039A (en) * 2012-08-15 2012-12-05 山东绿都生物科技有限公司 Miniature animal experiment phytotron and control method
CN107773326A (en) * 2017-11-21 2018-03-09 何庆 A kind of animal experimental chamber and its operation principle
CN110702592A (en) * 2019-09-11 2020-01-17 中国兵器工业第五九研究所 Multi-factor comprehensive plateau high-cold climate environment simulation acceleration test method
CN113484224A (en) * 2021-06-04 2021-10-08 武汉科技大学 Use method of accelerated aging test device based on wooden lacquerware cultural relics in collection environment
CN114303960A (en) * 2021-12-28 2022-04-12 广东呼研菲兰科技有限责任公司 Experimental system and experimental method for quantitative exposure of animal blowing environment

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102805039A (en) * 2012-08-15 2012-12-05 山东绿都生物科技有限公司 Miniature animal experiment phytotron and control method
CN102805039B (en) * 2012-08-15 2014-04-02 山东绿都生物科技有限公司 Miniature animal experiment phytotron and control method
CN107773326A (en) * 2017-11-21 2018-03-09 何庆 A kind of animal experimental chamber and its operation principle
CN110702592A (en) * 2019-09-11 2020-01-17 中国兵器工业第五九研究所 Multi-factor comprehensive plateau high-cold climate environment simulation acceleration test method
CN113484224A (en) * 2021-06-04 2021-10-08 武汉科技大学 Use method of accelerated aging test device based on wooden lacquerware cultural relics in collection environment
CN114303960A (en) * 2021-12-28 2022-04-12 广东呼研菲兰科技有限责任公司 Experimental system and experimental method for quantitative exposure of animal blowing environment
CN114303960B (en) * 2021-12-28 2023-03-14 广东呼研菲兰科技有限责任公司 Experimental system and experimental method for quantitative exposure of animal blowing environment

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Granted publication date: 20130327

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