CN207397136U - Three gas formula shaking table control systems - Google Patents
Three gas formula shaking table control systems Download PDFInfo
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- CN207397136U CN207397136U CN201721004693.7U CN201721004693U CN207397136U CN 207397136 U CN207397136 U CN 207397136U CN 201721004693 U CN201721004693 U CN 201721004693U CN 207397136 U CN207397136 U CN 207397136U
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Abstract
The utility model discloses a kind of three gas formula shaking table control systems, including main control chip, temperature control equipment and humidity conditioner, the temperature control equipment, humidity conditioner are connected with main control chip, CO2 control devices, Nitrogen Control Units, Oxygen control device, illumination control device, motor control assembly are further included, the CO2 control devices, Nitrogen Control Units, Oxygen control device, illumination control device, motor control assembly are all connected with main control chip.Not only realizing the control of shaking table system basic function also increases control to CO2, nitrogen, oxygen these three gases, and the control of illumination is more intelligent, and the utility model makes shaking table system function more perfect, and control is more intelligent.
Description
Technical field
The present invention relates to microbial cultivation equipment technical field, more particularly, to a kind of three gas formula shaking table control systems.
Background technology
Biological temperature-constant culture shaking table is also referred to as oscillator, is a kind of common laboratory equipment, belongs to biochemical instrument, is to plant
Object, biology, microorganism, heredity, virus, environmental protection, medicine is carried out when scientific researches, education and production division can not when prepared by accurate culture
The laboratory equipment lacked.It is widely used in the Bacteria Culture having higher requirements to temperature and frequency of oscillation, fermentation, hybridization, life
Object chemically reacts and enzyme and fabric study etc..With the increasingly expansion of constant-temperature shaking incubator application field, test to shaking table chamber
Indoor gas content proposes higher requirement with illumination degree of intelligence.
However, currently on the market without occur three gas formula shaking tables, that is, control temperature, humidity, motor while pair
Nitrogen, carbon dioxide, oxygen in shaking table case carry out content control, and can be with the intensity of illumination in the artificial intelligence external world.
103614289 A of Chinese invention patent application CN disclose a kind of shaking for microculture and bacterial screening
Bed, including shaking flask, shaking table chassis, concussion system and microcontroller, shaking flask is at least one, the bottle sealing capping of shaking flask, shaking flask
It is placed on shaking table chassis；Microcontroller controls shaking table chassis to act by shaking system, and then drives shaking flask action；Shaking flask
Inside stretch into dissolved oxygen quantity sensor, PH sensor, reaction product concentration sensor, two feed supplement pipes；Dissolved oxygen quantity sensor, PH sensings
Device, the outer end of reaction product concentration sensor are electrically connected with microcontroller；The outer end of two feed supplement pipes respectively with a feed supplement bottle
Connection, two feed supplement bottles are respectively used to contain acid solution, lye.
The content of the invention
For above-mentioned existing demand, the object of the present invention is to provide a kind of three gas formula shaking table control systems, it has accurate
Control the function of various gas contents and artificial intelligence intensity of illumination in shaking table chamber.
To achieve these goals, the technical solution adopted in the present invention is：Three gas formula shaking table control systems, including master control
Chip, temperature control equipment and motor control assembly, the temperature control equipment, motor control assembly are connected with main control chip
It connects, further includes CO2Control device, Nitrogen Control Units, Oxygen control device, illumination control device, humidity conditioner,
The CO2Control device, Nitrogen Control Units, Oxygen control device, illumination control device, humidity conditioner are all
It is connected with main control chip.
Preferably, the humidity conditioner includes voltage sampling circuit, and the illumination control device is also adopted including voltage
Sample circuit, the voltage sampling circuit are connected by double integrator conversion circuit with main control chip.
Preferably, the voltage sampling circuit includes voltage input end, and the voltage input end passes through resistance R11 and amplification
The electrode input end of device U5 is connected, and the electrode input end of the amplifier U5 passes through diode D15 electricity in parallel with capacitance C12
Road is connected with power supply VCC, reversal connection diode D16, the amplification between the electrode input end of the amplifier U5 and power supply VEE
The electrode input end of device U5 is grounded by resistance R21；The negative input of the amplifier U5 is grounded by resistance R12, described
The negative input of amplifier U5 is connected by resistance R22 with the output terminal of the amplifier U5, and the amplifier U5's is defeated
Outlet is connected by resistance R84 with voltage sampling circuit output terminal, and the voltage sampling circuit output terminal passes through resistance R101
It is connected with power supply VCC.
Preferably, the CO2Control device includes current sampling circuit, and the Oxygen control device also includes current sample
Circuit, the electric current sample circuit are connected by double integrator conversion circuit with main control chip.
Preferably, the current sampling circuit includes current input terminal, and the current input terminal passes through diode D1 and electricity
Source VCC is connected, and the current input terminal is grounded by resistance R1, and the current input terminal passes through resistance R6's and amplifier U1
Electrode input end is connected, and the electrode input end of the amplifier U1 passes through the parallel circuit and power supply of diode D2 and capacitance C1
VCC is connected, and reversal connection diode D8 between the electrode input end of the amplifier U1 and power supply VEE, the amplifier U1 is just
Pole input terminal is grounded by resistance R18；The negative input of the amplifier U1 is grounded by resistance R13, the amplifier U1
Negative input be connected by resistance R25 with the output terminal of the amplifier U1, the output terminal of the amplifier U1 passes through
Resistance R81 is connected with current sampling circuit output terminal, and the current sampling circuit output terminal passes through resistance R98 and power supply VCC
It is connected.
Preferably, the double integration circuit includes integration input terminal, and the integration input terminal passes through resistance R136 and integration
The negative input of device U1C is connected, the electrode input end ground connection of the integrator U1C；The output terminal of the integrator U1C leads to
The negative input that capacitance C38 is crossed with integrator U1C is connected, and the output terminal of the integrator U1C passes through resistance R137 and two
The parallel circuit ground connection of pole pipe D17, the negative input of the output terminal of the integrator U1C and the integrator U1D, the product
Divide the electrode input end ground connection of device U1D, the output terminal of the integrator U1D passes through resistance R139 and the port P33 of main control chip
It is connected；The port P33 of the main control chip is connected by resistance R138 with power supply VCC, and the anode of the integrator U1D is defeated
Enter end by diode D21 with the port P33 of main control chip to be connected.
Preferably, the CO2Control device, Nitrogen Control Units and Oxygen control device all include silicon-controlled output mould
Block.
Preferably, the silicon-controlled output module includes the silicon-controlled U18 of optocoupler, No. 1 pin of the silicon-controlled U18 of optocoupler
It is connected with the collector of triode Q2, the emitter of the triode Q2 is connected with power supply VCC, the base of the triode Q2
Pole is connected by resistance R117 with the port P21 of main control chip；No. 2 pins of the silicon-controlled U18 of optocoupler pass through resistance R91
Ground connection, No. 6 pins of the silicon-controlled U18 of optocoupler are connected with the control pole of silicon-controlled TR5, the cathode of the silicon-controlled TR5
It is connected by resistance R127 with the control pole of silicon-controlled TR5, the anode of the silicon-controlled TR5 can by resistance R121 and optocoupler
No. 4 pins of control silicon U18 are connected；Parallel resistance R131, the resistance R131 two between the anode and cathode of the control silicon TR5
Hold the series circuit of shunt capacitance C40 and resistance R141.
Preferably, the temperature control equipment and humidity conditioner all include relay output module.
Preferably, No. 1 pin of the relay output module including optocoupler U15, the optocoupler U15 by resistance R5 with
The port RD3 of main control chip is connected, No. 2 pins ground connection of the optocoupler U15；No. 4 pins of the optocoupler U15 and 12V electricity
Source is connected, and No. 4 pins of the optocoupler U15 are connected with No. 1 pin of relay K2；No. 4 pins of the optocoupler U15 with
Reversal connection diode D19 between No. 2 pins of relay K2；No. 3 pins of the optocoupler U15 pass through resistance R20 and triode Q3
Base stage be connected, the collector of the triode Q3 is connected with No. 2 pins of relay K2, the transmitting of the triode Q3
Pole is grounded, and resistance R21 is connected between the base stage and emitter of the triode Q3.
The present invention proposes a kind of New Shaking Table control system：Main control chip and each control program composition control centre,
And then each device is controlled, realize the content control to three kinds of shaking table chamber indoor carbon dioxide, nitrogen, oxygen gases,
Sample is enable to be cultivated in more good environment；And illumination control program is divided into control illumination manually and automatically controls light
According to the respective change that intensity of illumination is carried out according to the period of system intelligence can be allowed by automatically controlling intensity of illumination, be made entire
System is more intelligent.
Description of the drawings
The present invention is further described with reference to the accompanying drawings and examples：
Fig. 1 is the three gas formula shaking table system schematic diagrames of the embodiment of the present invention；
Fig. 2 is 1~4V sample circuit schematic diagrams of the embodiment of the present invention.
Fig. 3 is 4~20mA sample circuit schematic diagrams of the embodiment of the present invention.
Fig. 4 is the SERVO CONTROL current detecting schematic diagram of the embodiment of the present invention.
Fig. 5 is the Serve Motor Control schematic diagram of the embodiment of the present invention.
Fig. 6 is the illumination output principle figure of the embodiment of the present invention.
Fig. 7 is the silicon-controlled output principle figure of the embodiment of the present invention.
Fig. 8 is the relay output principle figure of the embodiment of the present invention.
Fig. 9 is the double integrator conversion circuit schematic diagram of the embodiment of the present invention.
In figure：
101st, main control chip；
210、CO2Control device, 220, Nitrogen Control Units, 230, Oxygen control device, 240, illumination control device,
250th, temperature control equipment, 260, humidity conditioner, 270, motor control assembly.
Specific embodiment
Embodiment is seen figure 1 and figure 2：Three gas formula shaking table control systems, including main control chip 101, CO2Control device
210th, Nitrogen Control Units 220, Oxygen control device 230, illumination control device 240, temperature control equipment 250, humid control
Device 260, motor control assembly 270.
Wherein：
The CO2Control device 210, Nitrogen Control Units 220, Oxygen control device 230, illumination control device 240, temperature
Degree control device 250, temperature control equipment 260, motor control assembly 270 are all connected with main control chip 101.Main control chip
101 are each responsible for controlling corresponding device, realize in whole system CO2 concentration, nitrogen gas concn, oxygen concentration, illumination it is strong
The accurate control of degree, temperature, humidity and motor.Work as CO2Concentration is higher or when oxygen concentration is higher, and main control chip 101 will control
Nitrogen is filled with cavity, then carries out CO2With the PID control of oxygen, finally make CO2Concentration and oxygen concentration reach preset value.
Preferably, the humidity conditioner includes voltage sampling circuit, and the illumination control device is also adopted including voltage
Sample circuit, the voltage sampling circuit are connected by double integrator conversion circuit with main control chip.As shown in Fig. 2, the voltage
Sample circuit includes voltage input end, and the voltage input end is connected by resistance R11 with the electrode input end of amplifier U5,
The electrode input end of the amplifier U5 is connected by diode D15 with the parallel circuit of capacitance C12 with power supply VCC, described
Reversal connection diode D16 between the electrode input end of amplifier U5 and power supply VEE, the electrode input end of the amplifier U5 pass through electricity
Hinder R21 ground connection；The negative input of the amplifier U5 is grounded by resistance R12, and the negative input of the amplifier U5 leads to
The output terminal that resistance R22 is crossed with the amplifier U5 is connected, and the output terminal of the amplifier U5 is adopted by resistance R84 with voltage
Sample circuit output end is connected, and the voltage sampling circuit output terminal is connected by resistance R101 with power supply VCC.Such as Fig. 9 institutes
Show, the double integration circuit includes integration input terminal, and the integration input terminal is defeated by resistance R136 and the cathode of integrator U1C
Enter end to be connected, the electrode input end ground connection of the integrator U1C；The output terminal of the integrator U1C passes through capacitance C38 and product
The negative input of point device U1C is connected, the parallel connection that the output terminal of the integrator U1C passes through resistance R137 and diode D17
Circuit ground, the negative input of the output terminal of the integrator U1C and the integrator U1D, the anode of the integrator U1D
Input end grounding, the output terminal of the integrator U1D are connected by resistance R139 with the port P33 of main control chip 101；It is described
The port P33 of main control chip 101 is connected by resistance R138 with power supply VCC, and the electrode input end of the integrator U1D passes through
Diode D21 is connected with the port P33 of main control chip 101.The voltage signal that sensor inputs is converted by the sample circuit
For the voltage of double integration circuit conversion, believe so as to which it is converted into analog quantity from voltage signal by double integrator conversion circuit
Number, processing of the final analog signals Jing Guo program and obtain measured value.
Preferably, the CO2Control device includes current sampling circuit, and the Oxygen control device also includes current sample
Circuit, the current sampling circuit are connected by double integrator conversion circuit with main control chip.As shown in figure 3, the electric current is adopted
Sample circuit includes current input terminal, and the current input terminal is connected by diode D1 with power supply VCC, the current input terminal
It is grounded by resistance R1, the current input terminal is connected by resistance R6 with the electrode input end of amplifier U1, the amplification
The electrode input end of device U1 is connected by diode D2 with the parallel circuit of capacitance C1 with power supply VCC, the amplifier U1's
Reversal connection diode D8 between electrode input end and power supply VEE, the electrode input end of the amplifier U1 are grounded by resistance R18；
The negative input of the amplifier U1 is grounded by resistance R13, the negative input of the amplifier U1 by resistance R25 with
The output terminal of the amplifier U1 is connected, and the output terminal of the amplifier U1 is exported by resistance R81 and current sampling circuit
End is connected, and the current sampling circuit output terminal is connected by resistance R98 with power supply VCC.What current sampling circuit used
Double integrator conversion circuit is identical with voltage sampling circuit, which is converted into voltage signal by the current signal of 4~20mA first,
It carries out double integrator conversion again and generates analog signals, finally obtain CO2With the measurement of oxygen concentration.
Fig. 4 and Fig. 5 is 270 schematic diagram of current sampling circuit 370 and motor control assembly in example, has the motor speed big
Scope is adjustable, stable, safe and reliable characteristic.
Fig. 6 is the illumination output principle figure in embodiment, mainly adjusts voltage by using the PWM square waves of I/O port output
Value, then by voltage come regulating illumination intensity, illumination control program 105 divides to control illumination manually and automatically controls illumination,
Control illumination, that is, user oneself sets intensity of illumination manually, and setting value of the illumination control device 240 according to set by user carries out
The change of intensity of illumination, it is that the illumination that illumination control program is allowed to simulate one day automatically according to different periods is strong to automatically control illumination
Degree variation.
Preferably, the CO2Control device, Nitrogen Control Units and Oxygen control device all include silicon-controlled output mould
Block, the temperature control equipment and humidity conditioner all include relay output module.It is two kinds respectively shown in Fig. 7 and Fig. 8
The way of output, one kind are silicon-controlled output, and one kind exports for relay, CO in this example2Control device 210, nitrogen control dress
It puts 220, Oxygen control device 230 and employs the silicon-controlled way of output, realize high frequency break-make；And temperature control equipment 250, humidity
Control device 260 then employs the relay way of output, safer.Wherein, as shown in fig. 7, the silicon-controlled output module
Including the silicon-controlled U18 of optocoupler, No. 1 pin of the silicon-controlled U18 of optocoupler is connected with the collector of triode Q2, three pole
The emitter of pipe Q2 is connected with power supply VCC, and the base stage of the triode Q2 passes through the port of resistance R117 and main control chip 101
P21 is connected；No. 2 pins of the silicon-controlled U18 of optocoupler are grounded by resistance R91, No. 6 pipes of the silicon-controlled U18 of optocoupler
Foot is connected with the control pole of silicon-controlled TR5, and the cathode of the silicon-controlled TR5 passes through the control of resistance R127 and silicon-controlled TR5
Pole is connected, and the anode of the silicon-controlled TR5 is connected by resistance R121 with No. 4 pins of the silicon-controlled U18 of optocoupler；The control
Parallel resistance R131 between the anode and cathode of silicon TR5, the resistance R131 both ends shunt capacitance C40 connect with resistance R141's
Circuit.As shown in figure 8, No. 1 pin of the relay output module including optocoupler U15, the optocoupler U15 by resistance R5 with
The port RD3 of main control chip 101 is connected, No. 2 pins ground connection of the optocoupler U15；No. 4 pins and 12V of the optocoupler U15
Power supply is connected, and No. 4 pins of the optocoupler U15 are connected with No. 1 pin of relay K2；No. 4 pins of the optocoupler U15
The reversal connection diode D19 between No. 2 pins of relay K2；No. 3 pins of the optocoupler U15 pass through resistance R20 and triode
The base stage of Q3 is connected, and the collector of the triode Q3 is connected with No. 2 pins of relay K2, the hair of the triode Q3
Emitter grounding is connected with resistance R21 between the base stage and emitter of the triode Q3.
In conclusion the present invention proposes a kind of new three gas formula shaking table control system, realize to CO2, oxygen, nitrogen
Control, and can be with illumination simulation so that entire shaking table controller more improves and intelligence.
The foregoing is merely the preferred embodiment of the present invention, are not intended to limit the scope of the invention, every utilization
It is related to be directly or indirectly used in other for the equivalent structure or equivalent flow shift that description of the invention and accompanying drawing content are made
Technical field, be included within the scope of the present invention.
Claims (10)
1. three gas formula shaking table control systems, including main control chip (101), temperature control equipment (250) and motor control assembly
(270), the temperature control equipment (250), motor control assembly (270) are connected with main control chip (101), and feature exists
In：Further include CO2Control device (210), Nitrogen Control Units (220), Oxygen control device (230), illumination control device
(240), humidity conditioner (260),
The CO2Control device (210), Nitrogen Control Units (220), Oxygen control device (230), illumination control device
(240), humidity conditioner (260) is all connected with main control chip (101).
2. three gas formula shaking table control system according to claim 1, it is characterised in that：The humidity conditioner (260)
Including voltage sampling circuit, the illumination control device (240) also includes voltage sampling circuit, and the voltage sampling circuit passes through
Double integrator conversion circuit is connected with main control chip (101).
3. three gas formula shaking table control system according to claim 2, it is characterised in that：The voltage sampling circuit includes electricity
Input terminal is pressed, the voltage input end is connected by resistance R11 with the electrode input end of amplifier U5, the amplifier U5's
Electrode input end is connected by diode D15 with the parallel circuit of capacitance C12 with power supply VCC, the anode of the amplifier U5
Reversal connection diode D16 between input terminal and power supply VEE, the electrode input end of the amplifier U5 are grounded by resistance R21；It is described
The negative input of amplifier U5 is grounded by resistance R12, the negative input of the amplifier U5 by resistance R22 with it is described
The output terminal of amplifier U5 is connected, and the output terminal of the amplifier U5 passes through resistance R84 and voltage sampling circuit output terminal phase
Connection, the voltage sampling circuit output terminal are connected by resistance R101 with power supply VCC.
4. three gas formula shaking table control system according to claim 1, it is characterised in that：The CO2Control device (210) wraps
Current sampling circuit is included, the Oxygen control device (230) also includes current sampling circuit, and the electric current sample circuit passes through biproduct
Conversion circuit is divided to be connected with main control chip (101).
5. three gas formula shaking table control system according to claim 4, it is characterised in that：The current sampling circuit includes electricity
Input terminal is flowed, the current input terminal is connected by diode D1 with power supply VCC, and the current input terminal is connect by resistance R1
Ground, the current input terminal are connected by resistance R6 with the electrode input end of amplifier U1, and the anode of the amplifier U1 is defeated
Enter end be connected by diode D2 with the parallel circuit of capacitance C1 with power supply VCC, the electrode input end of the amplifier U1 and
Reversal connection diode D8 between power supply VEE, the electrode input end of the amplifier U1 are grounded by resistance R18；The amplifier U1
Negative input be grounded by resistance R13, the negative input of the amplifier U1 passes through resistance R25 and the amplifier U1
Output terminal be connected, the output terminal of the amplifier U1 is connected by resistance R81 with current sampling circuit output terminal, described
Current sampling circuit output terminal is connected by resistance R98 with power supply VCC.
6. the three gas formula shaking table control systems according to claim 2 or 4, it is characterised in that：The double integration circuit includes
Input terminal is integrated, the integration input terminal is connected by resistance R136 with the negative input of integrator U1C, the integrator
The electrode input end ground connection of U1C；The negative input phase that the output terminal of the integrator U1C passes through capacitance C38 and integrator U1C
Connection, the output terminal of the integrator U1C are grounded by the parallel circuit of resistance R137 and diode D17, the integrator U1C
Output terminal and the integrator U1D negative input, the electrode input end ground connection of the integrator U1D, the integrator
The output terminal of U1D is connected by resistance R139 with the port P33 of main control chip (101)；The port of the main control chip (101)
P33 is connected by resistance R138 with power supply VCC, and the electrode input end of the integrator U1D passes through diode D21 and master control core
The port P33 of piece (101) is connected.
7. three gas formula shaking table control system according to claim 1, it is characterised in that：The CO2Control device (210), nitrogen
Gas control device (220) and Oxygen control device (230) all include silicon-controlled output module.
8. three gas formula shaking table control system according to claim 7, it is characterised in that：The silicon-controlled output module includes
The silicon-controlled U18 of optocoupler, No. 1 pin of the silicon-controlled U18 of optocoupler are connected with the collector of triode Q2, the triode Q2
Emitter be connected with power supply VCC, the base stage of the triode Q2 passes through the port of resistance R117 and main control chip (101)
P21 is connected；No. 2 pins of the silicon-controlled U18 of optocoupler are grounded by resistance R91, No. 6 pipes of the silicon-controlled U18 of optocoupler
Foot is connected with the control pole of silicon-controlled TR5, and the cathode of the silicon-controlled TR5 passes through the control of resistance R127 and silicon-controlled TR5
Pole is connected, and the anode of the silicon-controlled TR5 is connected by resistance R121 with No. 4 pins of the silicon-controlled U18 of optocoupler；The control
Parallel resistance R131 between the anode and cathode of silicon TR5, the resistance R131 both ends shunt capacitance C40 connect with resistance R141's
Circuit.
9. three gas formula shaking table control system according to claim 1, it is characterised in that：The temperature control equipment (250)
All include relay output module with humidity conditioner (260).
10. three gas formula shaking table control system according to claim 9, it is characterised in that：The relay output module bag
No. 1 pin for including optocoupler U15, the optocoupler U15 is connected by resistance R5 with the port RD3 of main control chip (101), the light
No. 2 pins ground connection of coupling U15；No. 4 pins of the optocoupler U15 are connected with 12V power supplys, No. 4 pins of the optocoupler U15 with
No. 1 pin of relay K2 is connected；Reversal connection diode between No. 4 pins of the optocoupler U15 and No. 2 pins of relay K2
D19；No. 3 pins of the optocoupler U15 are connected by resistance R20 with the base stage of triode Q3, the current collection of the triode Q3
Pole is connected with No. 2 pins of relay K2, the emitter ground connection of the triode Q3, the base stage of the triode Q3 and transmitting
Resistance R21 is connected between pole.
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| CN201721004693.7U CN207397136U (en) | 2017-08-11 | 2017-08-11 | Three gas formula shaking table control systems |
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| CN107315437A (en) * | 2017-08-11 | 2017-11-03 | 宁波市机电工业研究设计院有限公司 | Three gas formula shaking table control systems |
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| CN107315437A (en) * | 2017-08-11 | 2017-11-03 | 宁波市机电工业研究设计院有限公司 | Three gas formula shaking table control systems |
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