CN207585097U - A kind of biological particles furnace control system - Google Patents
A kind of biological particles furnace control system Download PDFInfo
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- CN207585097U CN207585097U CN201720922044.9U CN201720922044U CN207585097U CN 207585097 U CN207585097 U CN 207585097U CN 201720922044 U CN201720922044 U CN 201720922044U CN 207585097 U CN207585097 U CN 207585097U
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Abstract
The utility model discloses a kind of biological particles furnace control system, and including sensor circuit, velocity checking circuits, water level detection circuit and thermocouple detection circuit, above-mentioned each circuit is respectively used to the working condition of detection particle furnace；CPU, for receiving and processing the input signal of above-mentioned each circuit；Drive module, for receiving the order of CPU driving particle furnace work；Power module, for providing stable voltage for above-mentioned each module.The utility model control system is relatively easy, it can be achieved that the intelligent automation work of biological particles stove.
Description
Technical field
The utility model is related to a kind of biological particles furnace control system, air-heater for biomass burning particle furnace,
Hot-water heating and the control for waiting various heating equipments.
Background technology
Biological particles stove is a type of boiler, be exactly with biomass energy as fuel particle furnace biomass
Particle furnace is divided into biomass steam particle furnace, biomass hot water particle furnace, biomass thermal wind furnace, biomass heat-conduction oil oven, vertical
Biological particles stove, horizontal biological particles stove etc..Biological particles stove includes feeding system, combustion system, soot blower system, cigarette
Wind system and robot control system(RCS), complicated due to biological particles stove, component is more, and robot control system(RCS) is also sufficiently complex, and
And power unit is separately provided, and causes that robot control system(RCS) is complicated and function module is less, it is impossible to fully achieve biomass
Grain stove automatically controls.
Utility model content
In view of the drawbacks of the prior art, the technical problem to be solved by the present invention is to provide a kind of biological particles stove controls
System processed, the control system are relatively easy, it can be achieved that the intelligent automation work of biological particles stove.
In order to solve the technical problem, the technical solution adopted in the utility model is：A kind of biological particles stove control
System, including sensor circuit, velocity checking circuits, water level detection circuit, air door detection circuit and thermocouple detection circuit, on
State the working condition that each circuit is respectively used to detection particle furnace；CPU, for receiving and processing the input signal of above-mentioned each circuit；
Drive module, for receiving the order of CPU driving particle furnace work；Power module, it is stable for being provided for above-mentioned each module
Voltage；The drive module includes control machines isolation circuit, silicon-controlled high-voltage driving circuit and relay drive circuit, can
The output terminal of the input terminal connection CPU of silicon triggering isolation circuit is controlled, the output terminal of control machines isolation circuit connects respectively can
The input terminal of silicon high-voltage driving circuit and relay drive circuit is controlled, control machines isolation circuit is used for the+5V for exporting CPU
Voltage is converted into+12V, and the output terminal of silicon-controlled high-voltage driving circuit and relay drive circuit is connected to each execution of particle furnace
Component.
Biological particles furnace control system described in the utility model, the silicon-controlled isolation circuit include chip
The input terminal of ULN2003A, ULN2003A are connected to the output terminal of CPU by resistance respectively, and silicon-controlled high-voltage driving circuit includes
Optocoupler and reverse-blocking tetrode thyristor, the output of the input connection ULN2003A of optocoupler, the output of optocoupler are connected to the defeated of reverse-blocking tetrode thyristor
Enter, the output of reverse-blocking tetrode thyristor is connected to terminals, and relay drive circuit includes relay, and relay coil is connected to
The output of ULN2003A, relay switch are connected to terminals, and terminals are connected to each execution unit of particle furnace.
Biological particles furnace control system described in the utility model, have respectively the silicon-controlled high-voltage driving circuit in 4 roads and 2 tunnels after
Electrical apparatus driving circuit, the terminals of the silicon-controlled high-voltage driving circuit in 4 roads connect blanking motor, air-heater, induced-draft fan and drum respectively
Wind turbine, the terminals of 2 road relay drive circuits connect circulating pump motor, fire rod respectively.
Biological particles furnace control system described in the utility model, power module described in the power module include power supply core
Piece TNY277PN, zero cross detection circuit and rectification circuit, the input termination AC220V voltages of rectification circuit, between 220V voltages
Safety capacitance C22 is connected with, and passes through rectifier diode D7, D8, D9, D10, D11 and AC220V is converted into high direct voltage,
Middle rectifying half bridge diode D9, D11 is connected to zero cross detection circuit by current-limiting resistance R23, and the zero cross detection circuit includes
Optocoupler U8 and current-limiting resistance R23, rectifier diode D9, D10 half-bridge are connected to the input terminal of optocoupler U8 by current-limiting resistance R23,
The output terminal of optocoupler U8 is connected to CPU, and rectifier diode D9, D11 are connected to common mode by diode D7 and control inductance L2 sides,
The opposite side ground connection of L2, is finally attached to C20 and is filtered, which generates DC300 volt left and right high pressures, and 300 volts of high pressures are through electricity
Resistance R11, R17 are connected to the Enable Pin of power supply chip TNY277PN, and the reference voltage terminal BP of power supply chip TNY277PN is connected as
It provides the capacitance C19 of internal reference voltage, and the Enable Pin of power supply chip TNY277PN is connected to feedback optocoupler U5, optocoupler U5's
Output terminal is connected to power supply output 12v voltages through resistance R2 all the way, and another way is respectively connected to capacitance C18 and benchmark electricity through resistance R9
The cathode ground connection of chip T431, T431 are pressed, the other end of capacitance C18 meets power supply output 12v voltages, capacitance C18 through resistance R19
The other end is grounded through resistance R18；The primary side of the output terminal connection high frequency transformer T1 of power supply chip TNY227PN, transformer T1's
6 one tunnel of secondary pin connects high-frequency rectification diode D1, the resistance R1 and capacitance C1 of another way connection series connection, after this two-way merges
C3 is connected to through inductance L1, the anode of C4 provides the+12V that mainboard uses, and the secondary pin 5 of transformer TH1 is connected to C3, C4
Negative terminal the GND that uses of mainboard is provided.
Biological particles furnace control system described in the utility model further includes Voltage stabilizing module, and it is steady that Voltage stabilizing module includes first
7805 and second voltage-stablizer AMS1117 of depressor, 7805 input termination+12V voltages, output terminal output+5V, and 7805 it is defeated
Outlet is connected to the input terminal of AMS1117, the output terminal output+3.3V voltages of AMS1117, and 7805 output terminal passes through respectively
Capacitance C6, C7 are grounded, and the output terminal of AMS1117 is grounded respectively through capacitance C5, C8.
Biological particles furnace control system described in the utility model, thermocouple detection circuit include terminals and Temperature Treatment
Device MAX6675, terminals are connected between thermocouple and Temperature processor MAX6675, Temperature processor MAX6675 and CPU phases
Even.
Biological particles furnace control system described in the utility model, water level detection circuit include level detection sensor, connect
Line terminals and peripheral circuit, wire connection terminal are connected between level detection sensor and peripheral circuit, and peripheral circuit includes resistance
R40, R41, R42, capacitance C24, C33 and triode Q2, the delivery outlet connection resistance R40 of wire connection terminal, the other end of resistance R40
It is connected to the base stage of triode Q2 all the way, another way is grounded respectively through capacitance C24 and resistance R41, and the collector of triode Q2 connects
Ground, all the way through resistance R42 connection CPU, another way is grounded the emitter of triode Q2 by capacitance C33；The peripheral circuit has 3
Road is connected on the different delivery outlets of wire connection terminal respectively.
Biological particles furnace control system described in the utility model, velocity checking circuits detect blanking using Hall sensor
The rotating speed of motor.
Biological particles furnace control system described in the utility model shares 5 road sensor detection circuits, sensor detection electricity
Road includes wire connection terminal, resistance R4, resistance R13 and capacitance C12, and 1 one tunnel of delivery outlet of wire connection terminal is grounded through resistance R4, another
Road is grounded through resistance R13, capacitance C12, and the delivery outlet 2 of wire connection terminal is connected to CPU；The terminals of 5 road sensor detection circuits
Son is respectively connected to water temperature detection sensor, material temperature detection sensor, room temperature detection sensor, hydraulic pressure detection sensor and chamber pressure
Detection sensor.
The beneficial effects of the utility model：Biological particles furnace control system described in the utility model is made using microcontroller
For master control system, input terminal water level, furnace temperature, plate temperature, room temperature, motor speed feedback, lacks and expects that detection etc. passes through high-precision cipher telegram water temperature
Resistance high speed acquisition operation inputs to microcontroller；Output terminal deashing motor, smoke evacuation motor, perfusion wind turbine, feeding motor, circulating pump electricity
Machine, ignition system etc. are worked by ULN2003A and 3021 Phototube Couplings, the silicon-controlled high-voltage driving circuit of MCU driving, so as to
Drive motor works；The utility model uses independent power module, and power module is powered for each circuit, and is examined including zero passage
Slowdown monitoring circuit, can it is high-precision control wind turbine stepless time adjustment so that fan operation is steady, and noise is told somebody what one's real intentions are.This system can be real
Existing automatic ignition, temperature automatically controlled, accessory state-detection, lacks material alarm, water-level alarm, water temperature alarm, room temperature report at Automatic-feeding
Alert, furnace temperature alarm and the multiple functions of timing.
Description of the drawings
Fig. 1 is the circuit diagram of CPU part；
Fig. 2 is the circuit diagram of drive module；
Fig. 3 is the circuit diagram of power module；
Fig. 4 is the circuit diagram of Voltage stabilizing module；
Fig. 5 is the schematic diagram of thermocouple detection circuit；
Fig. 6 is the schematic diagram of water level detection circuit；
Fig. 7 is the schematic diagram of air door detection circuit；
Fig. 8 is the schematic diagram of velocity checking circuits；
Fig. 9 is the schematic diagram of sensor detection circuit；
Figure 10 is the schematic diagram of buzzer drive circuit；
Figure 11 is the schematic diagram of display screen keystroke interface circuit.
Specific embodiment
The utility model is described further in the following with reference to the drawings and specific embodiments.
A kind of biological particles furnace control system, including sensor circuit, velocity checking circuits, water level detection circuit, wind
Door detection circuit and thermocouple detection circuit, above-mentioned each circuit are respectively used to the working condition of detection particle furnace；CPU, for connecing
Receive and handle the input signal of above-mentioned each circuit；Drive module, for receiving the order of CPU driving particle furnace work；Power supply mould
Block, for providing stable voltage for above-mentioned each module；The drive module includes control machines isolation circuit, silicon-controlled height
Driving circuit and relay drive circuit are pressed, the output terminal of the input terminal connection CPU of control machines isolation circuit is silicon-controlled to touch
The output terminal of hair isolation circuit connects the input terminal of silicon-controlled high-voltage driving circuit and relay drive circuit respectively, silicon-controlled to touch
Hair isolation circuit is used to the+5V voltages that CPU is exported being converted into+12V, silicon-controlled high-voltage driving circuit and relay drive circuit
Output terminal be connected to each execution unit of particle furnace.
As shown in Figure 1, the circuit diagram for CPU part, CPU is microcontroller, serial using STC15, specially
STC15W4K60S4-LQFP64, the microcontroller are enhanced 8051 CPU, and 1T single clocks/machine cycle, instruction code is complete
Compatible tradition 8051, internal high-precision R/C clocks, ± 1 % temperature drifts, 10 high-speed ADCs of totally 8 channel, speed up to 300,000 times/
Second, ISP（In-system programmable components）/ IAP（It is programmable in application）, advanced instruction set architecture, compatible common 8051 instruction set,
There is hardware multiplication/divide instruction, the features such as reliability is high.The input terminal of microcontroller connects each signal deteching circuit, by acquisition
Data and user's setup parameter and inner parameter integrated operation, so as to the stable operation of control device.
As shown in figure 5, the schematic diagram for thermocouple detection circuit, thermocouple detection circuit is used to detect the temperature of combustion flame
Degree, thermocouple detection circuit include wire connection terminal P7 and Temperature processor MAX6675, and thermocouple is connected on wire connection terminal P7,
Wire connection terminal P7 is connect with Temperature processor MAX6675, Temperature processor MAX6675 respectively by resistance R37, R38, R39 with
CPU is connected.
As shown in fig. 6, the schematic diagram for water level detection circuit, water level detection circuit includes level detection sensor, wiring
Terminals P 8 and peripheral circuit, wire connection terminal P8 have 4 ports, and preceding 3 ports are respectively connected to level detection sensor and periphery
Between circuit, port 4 meets+12V, and the peripheral circuit for being connected to port 1 includes resistance R40, R41, R42, capacitance C24, C33 and three
Pole pipe Q2, the delivery outlet connection resistance R40 of wire connection terminal, the other end of resistance R40 are connected to the base stage of triode Q2 all the way, separately
It is grounded respectively through capacitance C24 and resistance R41 all the way, the grounded collector of triode Q2, the emitter of triode Q2 is all the way through electricity
R42 connection CPU are hindered, another way is grounded by capacitance C33；It is connected to the peripheral circuit of P8 ports 2,3 and the peripheral circuit of port 1
It is identical, for detecting the water level signal of 3 level detection sensor acquisitions.
As shown in fig. 7, the schematic diagram for air door driving circuit, air door driving circuit be used to adjusting air inlet of combustion chamber into
Tolerance, air door driving circuit include wire connection terminal P11, and the port 1 of wire connection terminal P11 meets+5V, and port 2 is connected with CPU, port 3
Ground connection, port 2 are connected again with the regulating valve at air inlet, and regulating valve adjusts the air inlet of combustion chamber according to the order of CPU
Amount.
As shown in figure 8, the schematic diagram for velocity checking circuits, velocity checking circuits are using Hall sensor detection blanking electricity
The rotating speed of machine, and Hall sensor is connected by wire connection terminal P6 with CPU, and the sensor signal of acquisition is transferred to CPU.
As shown in figure 9, the schematic diagram for sensor detection circuit, shares 5 road sensor detection circuits, sensor detection electricity
Road includes wire connection terminal, resistance R4, resistance R13 and capacitance C12, and 1 one tunnel of delivery outlet of wire connection terminal is grounded through resistance R4, another
Road is grounded through resistance R13, capacitance C12, and the delivery outlet 2 of wire connection terminal is connected to CPU；The terminals of 5 road sensor detection circuits
Sub- P1, P2, P3, P4, P5 are respectively connected to water temperature detection sensor, material temperature detection sensor, room temperature detection sensor, hydraulic pressure inspection
Survey sensor and chamber pressure detection sensor.
In the present embodiment, the sensor circuit, velocity checking circuits, water level detection circuit, air door detection circuit and heat
Galvanic couple detection circuit is respectively used to the input terminal water level of detection biological particles stove, water temperature, furnace temperature, room temperature, motor speed, lacks material
The signals such as detection simultaneously pass through circuit and pass to microcontroller, and microcontroller is comprehensive by the data of acquisition and user's setup parameter and inner parameter
Operation is closed, so as to the stable operation of control device.
In the present embodiment, microcontroller is worked by drive module drive motor, and the drive module includes control machines
Isolation circuit, silicon-controlled high-voltage driving circuit and relay drive circuit, the input terminal connection CPU of control machines isolation circuit
Output terminal, the output terminal of control machines isolation circuit connects silicon-controlled high-voltage driving circuit and relay drive circuit respectively
Input terminal, control machines isolation circuit is used to the+5V voltages that CPU export being converted into+12V, and silicon-controlled high drive is electric
The output terminal of road and relay drive circuit is connected to each execution unit of particle furnace.
As shown in Fig. 2, the circuit diagram for drive module, the drive module include control machines isolation circuit,
Silicon-controlled high-voltage driving circuit and relay drive circuit, the output terminal of the input terminal connection CPU of control machines isolation circuit,
The output terminal of control machines isolation circuit connects the input terminal of silicon-controlled high-voltage driving circuit and relay drive circuit respectively,
Control machines isolation circuit is used to the+5V voltages that CPU is exported being converted into+12V, silicon-controlled high-voltage driving circuit and relay
The output terminal of driving circuit is connected to each execution unit of particle furnace.The silicon-controlled isolation circuit includes chip ULN2003A,
The input terminal of ULN2003A is connected to the output terminal of CPU by resistance respectively, and silicon-controlled high-voltage driving circuit includes optocoupler and can
Transwitch is controlled, the output of the input connection ULN2003A of optocoupler, the output of optocoupler is connected to the input of reverse-blocking tetrode thyristor, silicon-controlled
The output of switch is connected to terminals, and relay drive circuit includes relay, and relay coil is connected to the defeated of ULN2003A
Go out, relay switch is connected to terminals, and terminals are connected to each execution unit of particle furnace.
In the present embodiment, there are the silicon-controlled high-voltage driving circuit in 4 roads and 2 road relay drive circuits, the silicon-controlled height in 4 roads respectively
The terminals of pressure driving circuit connect blanking motor, air-heater, induced-draft fan and air blower respectively, 2 road relay drive circuits
Terminals connect circulating pump motor, fire rod respectively.
In this implementation, for the power supply chip of power module using TinySwitch-III series, TinySwitch-III is knot
High voltage power switch mosfet is closed with the power-supply controller of electric in an equipment, different from traditional PWM（Pulsewidth modulation）Control
Device processed, it adjusts output voltage using simple ON/OFF control.The controller includes an oscillator, enabled circuit（Detection
And logic）, limited current state machine, 5.85V voltage-stablizers, bypass/multifunctional pin is under-voltage overvoltage circuit, selection circuit electric current limit
System, overheat protector, current limit circuit, lead-edge-blanking and the additional circuits of 700V power MOSFET.TinySwitch-III
Integrated line pressure sensitive resets automatically, the extension of self-adaptive switch period turn-on time, frequency jitter.Easily meet all logical
With energy ef ciency regulations：Non-loaded no biasing<265 winding of 150mW volts,<50mW windings bias, and ON/OFF control provides permanent
Determine ef ciency and drop to the requirement that CEC regulations and 1W computer standbies are forced during ideal extremely light load.
As shown in figure 3, the circuit diagram for power module, power module described in the power module includes power supply chip
TNY277PN, zero cross detection circuit and rectification circuit, the input of rectification circuit terminate AC220V voltages, connect between 220V voltages
Safety capacitance C22 is connected to, and passes through rectifier diode D7, D8, D9, D10, D11 and AC220V is converted into high direct voltage, wherein
Rectifying half bridge diode D9, D11 is connected to zero cross detection circuit by current-limiting resistance R23, and the zero cross detection circuit includes light
Coupling U8 and current-limiting resistance R23, rectifier diode D9, D10 half-bridge are connected to the input terminal of optocoupler U8, light by current-limiting resistance R23
The output terminal of coupling U8 is connected to CPU, and rectifier diode D9, D11 are connected to common mode by diode D7 and control inductance L2 sides, L2
Opposite side ground connection, be finally attached to C20 and be filtered, the capacitance generate DC300 volt left and right high pressure, 300 volts of high pressures are through resistance
R11, R17 are connected to the Enable Pin of power supply chip TNY277PN, and the reference voltage terminal BP of power supply chip TNY277PN is connected as it
The capacitance C19 of internal reference voltage is provided, the Enable Pin of power supply chip TNY277PN is connected to feedback optocoupler U5, and optocoupler U5's is defeated
Outlet is connected to power supply output 12v voltages through resistance R2 all the way, and another way is respectively connected to capacitance C18 and reference voltage through resistance R9
The cathode ground connection of chip T431, T431, the other end of capacitance C18 connect power supply output 12v voltages through resistance R19, and capacitance C18 is another
One end is grounded through resistance R18；The primary side of the output terminal connection high frequency transformer T1 of power supply chip TNY227PN, the pair of transformer T1
Pin 6 one tunnel in side connects high-frequency rectification diode D1, the resistance R1 and capacitance C1 of another way connection series connection, this two-way passes through after merging
Inductance L1 is connected to C3, and the anode of C4 provides the+12V that mainboard uses, and the secondary pin 5 of transformer TH1 is connected to C3, C4's
Negative terminal provides the GND that mainboard uses.
Zero cross detection circuit can it is high-precision control wind turbine stepless time adjustment so that fan operation is steady, noise is low.
In order to give electronic component power supply different in control system, Voltage stabilizing module is further included, as shown in figure 4, Voltage stabilizing module
Including the first voltage-stablizer 7805 and the second voltage-stablizer AMS1117,7805 input termination+12V voltages, output terminal output+5V, and
And 7805 output terminal is connected to the input terminal of AMS1117, the output terminal output+3.3V voltages of AMS1117, and 7805 it is defeated
Outlet is grounded respectively through capacitance C6, C7, and the output terminal of AMS1117 is grounded respectively through capacitance C5, C8.
In the present embodiment, buzzer drive circuit is further included, is the schematic diagram of buzzer drive circuit as shown in Figure 10,
Including resistance R8, R10, triode Q1 and buzzer LS1, CPU is connected with buzzer drive circuit, as shown in the figure, its interface
Mono- tunnels of ALARM are connected to buzzer LS1 by resistance R8, and another way is connected to the base stage of triode Q1, three poles by resistance R10
The grounded collector of pipe Q1, emitter are connected to the another port of buzzer LS1.When state detection circuit detects material position, water
When position, water temperature, room temperature, furnace temperature are more than given threshold, CPU drives buzzer warning by buzzer drive circuit.
As shown in figure 11, for display screen keystroke interface circuit, including wire connection terminal P9, wire connection terminal P9 be connected to CPU and
Between display screen, for showing the operating status of equipment.In the present embodiment, display screen selects the big resolution ratio man-machine interfaces of 128*64
Liquid crystal display, cost performance is high, can fully show the operating status of equipment, and push relevant information with window form.
Described above is only the basic principle and preferred embodiment of the utility model, and those skilled in the art are according to this reality
With the novel improvement and replacement made, belong to the scope of protection of the utility model.
Claims (9)
1. a kind of biological particles furnace control system, it is characterised in that：Including sensor circuit, velocity checking circuits, water level inspection
Slowdown monitoring circuit and thermocouple detection circuit, above-mentioned each circuit are respectively used to the working condition of detection particle furnace；CPU, for receiving simultaneously
Handle the input signal of above-mentioned each circuit；Drive module, for receiving the order of CPU driving particle furnace work；Power module is used
In providing stable voltage for above-mentioned each module；The drive module includes control machines isolation circuit, controllable silicon high-voltage drives
Dynamic circuit and relay drive circuit, air door driving circuit, the output of the input terminal connection CPU of control machines isolation circuit
End, the output terminal of control machines isolation circuit connect the input of silicon-controlled high-voltage driving circuit and relay drive circuit respectively
End, control machines isolation circuit are used to the+5V voltages that CPU is exported being converted into+12V, silicon-controlled high-voltage driving circuit and after
The output terminal of electrical apparatus driving circuit is connected to each execution unit of particle furnace.
2. biological particles furnace control system according to claim 1, it is characterised in that：The silicon-controlled isolation circuit packet
The input terminal for including chip ULN2003A, ULN2003A is connected to the output terminal of CPU, silicon-controlled high drive electricity by resistance respectively
Road includes optocoupler and reverse-blocking tetrode thyristor, the output of the input connection ULN2003A of optocoupler, and the output of optocoupler is connected to silicon-controlled open
The input of pass, the output of reverse-blocking tetrode thyristor are connected to terminals, and relay drive circuit includes relay, relay coil connection
To the output of ULN2003A, relay switch is connected to terminals, and terminals are connected to each execution unit of particle furnace.
3. biological particles furnace control system according to claim 2, it is characterised in that：There is the controllable silicon high-voltage in 4 tunnels respectively
Driving circuit and 2 road relay drive circuits, the terminals of the silicon-controlled high-voltage driving circuit in 4 roads connect blanking motor, heat respectively
Wind turbine, induced-draft fan and air blower, the terminals of 2 road relay drive circuits connect circulating pump motor, fire rod respectively.
4. biological particles furnace control system according to claim 1, it is characterised in that：Power supply described in the power module
Module includes power supply chip TNY277PN, zero cross detection circuit and rectification circuit, and the input of rectification circuit terminates AC220V voltages,
Safety capacitance C22 is connected between 220V voltages, and passes through rectifier diode D7, D8, D9, D10, D11 and turns AC220V
High direct voltage is changed to, wherein rectifying half bridge diode D9, D11 is connected to zero cross detection circuit, the mistake by current-limiting resistance R23
Zero detection circuit includes optocoupler U8 and current-limiting resistance R23, and rectifier diode D9, D10 half-bridge are connected to light by current-limiting resistance R23
The input terminal of coupling U8, the output terminal of optocoupler U8 are connected to CPU, and rectifier diode D9, D11 are connected to common mode by diode D7 and grip
Inductance L2 sides processed, the opposite side ground connection of L2, are finally attached to C20 and are filtered, capacitance generation DC300 volt high pressures, 300 volts
High pressure is connected to the Enable Pin of power supply chip TNY277PN, the reference voltage terminal of power supply chip TNY277PN through resistance R11, R17
BP is connected as it and provides the capacitance C19 of internal reference voltage, and the Enable Pin of power supply chip TNY277PN is connected to feedback optocoupler U5,
The output terminal of optocoupler U5 is connected to power supply output 12v voltages through resistance R2 all the way, and another way is respectively connected to capacitance C18 through resistance R9
It being grounded with the cathode of reference voltage chip T431, T431, the other end of capacitance C18 connects power supply output 12v voltages through resistance R19,
The capacitance C18 other ends are grounded through resistance R18；The primary side of the output terminal connection high frequency transformer T1 of power supply chip TNY227PN, becomes
6 one tunnel of the secondary pin connection high-frequency rectification diode D1 of depressor T1, the resistance R1 and capacitance C1 of another way connection series connection, this two
C3 is connected to through inductance L1 after the merging of road, the anode of C4 provides the+12V that mainboard uses, and the secondary pin 5 of transformer TH1 connects
To C3, the negative terminal of C4 provides the GND that mainboard uses.
5. biological particles furnace control system according to claim 1, it is characterised in that：Further include Voltage stabilizing module, voltage stabilizing
Module include the first voltage-stablizer 7805 and the second voltage-stablizer AMS1117,7805 input termination+12V voltages, output terminal output+
5V, and 7805 output terminal is connected to the input terminal of AMS1117, the output terminal output+3.3V voltages of AMS1117, and
7805 output terminal is grounded respectively through capacitance C6, C7, and the output terminal of AMS1117 is grounded respectively through capacitance C5, C8.
6. biological particles furnace control system according to claim 1, it is characterised in that：Thermocouple detection circuit includes connecing
Line end and Temperature processor MAX6675, terminals are connected between thermocouple and Temperature processor MAX6675, Temperature processor
MAX6675 is connected with CPU.
7. biological particles furnace control system according to claim 1, it is characterised in that：Water level detection circuit includes water level
Detection sensor, wire connection terminal and peripheral circuit, wire connection terminal are connected between level detection sensor and peripheral circuit, periphery
Circuit includes resistance R40, R41, R42, capacitance C24, C33 and triode Q2, the delivery outlet connection resistance R40 of wire connection terminal, electricity
The other end of resistance R40 is connected to the base stage of triode Q2 all the way, and another way is grounded respectively through capacitance C24 and resistance R41, triode
The grounded collector of Q2, all the way through resistance R42 connection CPU, another way is grounded the emitter of triode Q2 by capacitance C33；Institute
Stating peripheral circuit has 3 tunnels, is connected on the different delivery outlets of wire connection terminal respectively.
8. biological particles furnace control system according to claim 1, it is characterised in that：Velocity checking circuits use Hall
Sensor detects the rotating speed of blanking motor.
9. biological particles furnace control system according to claim 1, it is characterised in that：Share No. 5 sensor detection electricity
Road, sensor detection circuit include wire connection terminal, resistance R4, resistance R13 and capacitance C12, and 1 one tunnel of delivery outlet of wire connection terminal passes through
Resistance R4 is grounded, and another way is grounded through resistance R13, capacitance C12, and the delivery outlet 2 of wire connection terminal is connected to CPU；No. 5 sensor inspections
The wire connection terminal of slowdown monitoring circuit is respectively connected to water temperature detection sensor, material temperature detection sensor, room temperature detection sensor, hydraulic pressure inspection
Survey sensor and chamber pressure detection sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720922044.9U CN207585097U (en) | 2017-07-27 | 2017-07-27 | A kind of biological particles furnace control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720922044.9U CN207585097U (en) | 2017-07-27 | 2017-07-27 | A kind of biological particles furnace control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207585097U true CN207585097U (en) | 2018-07-06 |
Family
ID=62718592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720922044.9U Expired - Fee Related CN207585097U (en) | 2017-07-27 | 2017-07-27 | A kind of biological particles furnace control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207585097U (en) |
-
2017
- 2017-07-27 CN CN201720922044.9U patent/CN207585097U/en not_active Expired - Fee Related
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Granted publication date: 20180706 Termination date: 20210727 |