CN205797549U - Atomization controls device - Google Patents
Atomization controls device Download PDFInfo
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- CN205797549U CN205797549U CN201620668047.XU CN201620668047U CN205797549U CN 205797549 U CN205797549 U CN 205797549U CN 201620668047 U CN201620668047 U CN 201620668047U CN 205797549 U CN205797549 U CN 205797549U
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- electrothermal tube
- chip microcomputer
- single chip
- atomization
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Abstract
The utility model discloses a kind of atomization and control device, including PIC single chip microcomputer, temperature sampling circuit, oil pump driven circuit and electrothermal tube drive circuit, described temperature sampling circuit, oil pump driven circuit and electrothermal tube drive circuit are all connected with PIC single chip microcomputer, and described temperature sampling circuit is also connected with electrothermal tube drive circuit;Electrothermal tube drive circuit includes electrothermal tube, arranges heating wire inside described electrothermal tube;Temperature sampling circuit gathers heating wire temperature, and by heating wire Temperature Feedback to PIC single chip microcomputer, PIC single chip microcomputer is adjusted by PWM pulsewidth, then by pin output to electrothermal tube drive circuit, heating wire is rapidly heated to fiducial temperature, PIC single chip microcomputer drives operation of oil pump by oil pump driven circuit, oil pump is by pipeline extraction aerosol and by inside aerosol transmission to electrothermal tube, then aerosol expands rapidly atomization through heat, the injection of smog is carried out again by the electrothermal tube mouth of pipe, PIC single chip microcomputer is by internal PID regulator regulation PWM pulse duty cycle, and then regulation output.
Description
Technical field
This utility model relates to atomization plant technical field, and especially a kind of atomization controls device.
Background technology
At present, traditional fog machine electric-heating technology is due to nonlinear characteristics such as the big inertia of heating wire, big time-varying, purely retarded
Existence, the main mesh using feedback-less or temperature switch cutting-off controlling relay power to reach to change heating power output
, there is techniques below problem in traditional fog machine: on the one hand, and fog machine is by the error of instrument own and temperature switch electrical endurance
Impact, break-make frequency is relatively low, and temperature fluctuation range is relatively big, and on the other hand, tradition smog body is long-pending big, needs in actual application
Use alternating voltage is powered, and meanwhile, tradition fog machine needs preheating just can normally use, it is impossible to carry with.
Utility model content
The purpose of this utility model is for overcoming above-mentioned the deficiencies in the prior art, it is provided that a kind of atomization controls device.
For achieving the above object, this utility model employing following technical proposals:
Atomization controls device, including PIC single chip microcomputer, temperature sampling circuit, oil pump driven circuit and electrothermal tube drive circuit,
Described temperature sampling circuit, oil pump driven circuit and electrothermal tube drive circuit are all connected with PIC single chip microcomputer, described temperature sampling electricity
Road is also connected with electrothermal tube drive circuit;Electrothermal tube drive circuit includes electrothermal tube, arranges heating wire inside described electrothermal tube;
Temperature sampling circuit gathers heating wire temperature, and by heating wire Temperature Feedback to PIC single chip microcomputer, PIC single chip microcomputer is led to
Crossing PWM pulsewidth to be adjusted, then by pin output to electrothermal tube drive circuit, heating wire is rapidly heated to benchmark temperature
Degree, then, PIC single chip microcomputer drives operation of oil pump by oil pump driven circuit, and oil pump is by pipeline extraction aerosol and by smog
Agent is transmitted to electrothermal tube, and then aerosol expands rapidly atomization through heat, then is carried out the spray of smog by the electrothermal tube mouth of pipe
Penetrating, in smog course of injection, PIC single chip microcomputer is by internal PID regulator regulation PWM pulse duty cycle, and then regulation output
Power, plays the effect of regulation heater strip temperature, it is ensured that aerosol spraying amount relative constancy.
Preferably, described temperature sampling circuit includes voltage source and the electric capacity C12 of parallel connection, described voltage source and electrothermal tube string
PIC single chip microcomputer sampled signal input pin is accessed after connection, described electrothermal tube outer wall attachment NTC thermistor, and during electrothermal tube is
Hollow tubular structure.By electrothermal tube being set to the structure of hollow pipe so that under low voltage situations and not by the situation of external force
Under can also spray.
Temperature sampling circuit uses accurate voltage source TL431 to realize accurate voltage sampling, voltage signal sampling obtained
Being processed to PIC single chip microcomputer by the input of sampled signal input pin, temperature sampling circuit gathers electrothermal tube mid frequency, nothing
Need to manually regulate, there is higher degree of regulation.
Preferably, described atomization control device also includes wireless receiving circuit, described wireless receiving circuit and PIC single chip microcomputer
Output pin connect, wireless receiving circuit and remote media terminal carry out radio communication, and remote media terminal is connect by wireless
Receive circuit PIC single chip microcomputer is remotely controlled.
Preferably, described electric heating tube wall attachment heating wire, the heating wire being attached to electric heating tube wall insulate not with electric heating tube wall
Thermal insulation, and electric heating tube wall arranges insulant.Described electrothermal tube can design according to power requirement, i.e. user can be according to applied environment
Making the electrothermal tube being suitable for power, safety in utilization is higher.
During actual application, when needing high-power aerosol spraying mist: electric heating tube wall attachment heating wire, described heating wire and electric heating tube wall
Insulate but the most adiabatic.By heating wire is attached to electric heating tube wall, and heating wire insulate with electric heating tube wall, it is possible to achieve on a large scale
Smog sprays, simultaneously as do not have voltage on electrothermal tube, it is possible to use conventional voltage standard or other voltage carry out circuit and sets
Meter, it is achieved high power, the electrothermal tube drive circuit of low cost.
It addition, electrothermal tube structure can be designed according to the actual requirements, by the NTC thermistor being attached on electrothermal tube
Realize the transmission of temperature data.Electrothermal tube can use in parallel or in series according to practical situation with NTC thermistor connected mode
Mode, connected mode is various, and practicality is good.
Preferably, described atomization control device also includes that valve, described valve are arranged at the electrothermal tube mouth of pipe, by arranging valve
Door, it is achieved that the shunting of aerosol, user can control valve according to actual needs, and then change the flow direction of aerosol, it is achieved
Multi-angle multifunctional direction is sprayed.The described electrothermal tube mouth of pipe arranges injector head, and described injector head end arranges some spray-holes, and
Also setting up flow adjustment knob on injector head, described flow adjustment knob is used for regulating spray-hole aperture, it is achieved inner stream flow
Regulation, finally realizes spray area and the regulation of spraying distance.
Preferably, described electrothermal tube replaces with heating wire or burning things which may cause a fire disaster heater.Heating wire and burning things which may cause a fire disaster heater are heating
Material.
Preferably, described atomization controls device and also includes electric supply installation, and described electric supply installation uses direct current or exchange width
Power voltage supply.By using direct current or exchange wide-voltage range to power, user selects adaptive model according to voltage request, it is achieved
Atomization controls the mobile use of device.
The beneficial effects of the utility model are:
1. this utility model passes through PIC single chip microcomputer and temperature sampling circuit, oil pump driven circuit and electrothermal tube drive circuit,
Realizing the accurate control to electrothermal tube temperature, PIC single chip microcomputer realizes temperature control by PWM, and temperature fluctuation range is little, control
Accuracy processed is high;
2. electric supply installation uses direct current or exchange Width funtion to power, and user selects adaptive model according to voltage request, real
Now atomization controls the mobile use of device, and therefore, user is not limited to the mode that traditional alternating voltage is powered, and power supply mode is many
Sample;
2., by using NTC thermistor as temperature element, there is good stability, the advantage of temperature measuring area field width, pass through
Use PIC single chip microcomputer, overcome the conventional shortcoming compensating error, there is the effect of soft start, baseline stability;
3. this utility model is by being set to hollow tubular structure by electrothermal tube so that can realize under electrothermal tube low voltage situations
Spraying, meanwhile, hollow tubular structure makes to spray without by external force, such as uses the mode that fan blows or manpower blows, practical
Property is good, and atomizing effect is preferable;
4., by preset reference temperature in PIC single chip microcomputer, realize the control of spray amount by changing operation of oil pump frequency,
I.e. achieve the real-time regulation of spray amount, meanwhile, by arranging flow adjustment knob on injector head, it is achieved spray-hole aperture
Regulation, it is achieved the regulation of spray amount;
5. due to PIC single chip microcomputer, temperature sampling circuit, oil pump driven circuit and electrothermal tube drive circuit small volume, can
To use low-voltage, therefore, atomization controls the removable use of device, if either circuit breaks down, ties up faulty circuit
Repair or change, do not affect normal use;
6. also set up flow adjustment knob on injector head, and injector head by being arranged by the electrothermal tube mouth of pipe, sprayed by installation
Penetrate head and flow adjustment knob, it is achieved spray area and the regulation of spraying distance.
Accompanying drawing explanation
Fig. 1 is the circuit diagram that the atomization that this utility model provides controls device;
Fig. 2 is the electrothermal tube structure schematic diagram that this utility model provides;
Fig. 3 is that the atomization that this utility model provides controls the temperature curve that device PWM is corresponding;
Wherein, 1. electrothermal tube, 2. heating wire.
Detailed description of the invention
With embodiment, this utility model is further illustrated below in conjunction with the accompanying drawings.
As it is shown in figure 1, atomization controls device, including PIC single chip microcomputer, temperature sampling circuit, oil pump driven circuit and electric heating
Silk drive circuit, described temperature sampling circuit, oil pump driven circuit and heating wire drive circuit are all connected with PIC single chip microcomputer;
Described post oil pump driven circuit includes oil pump, the first metal-oxide-semiconductor Q2, the first audion Q6 and the second audion Q7, institute
Stating oil pump and the first metal-oxide-semiconductor Q2 drain electrode connects, described first metal-oxide-semiconductor Q2 grid and the first audion Q6 colelctor electrode connect, and first
Audion Q6 and the second audion Q7 colelctor electrode connect, and the second audion Q7 base stage drives pin to be connected with PIC single chip microcomputer input;
Described heating wire drive circuit includes the second metal-oxide-semiconductor Q1, the 3rd audion Q5 and the 4th audion Q4, electrothermal tube with
Second metal-oxide-semiconductor Q1 drain electrode connects, and described second metal-oxide-semiconductor Q1 grid and the 3rd audion Q5 colelctor electrode connect, the 3rd audion Q5
Base stage is connected with the 4th audion Q4 colelctor electrode, and the 4th audion Q4 base stage is connected with PIC single chip microcomputer output pin.
Described temperature sampling circuit, including voltage source in parallel and electric capacity C12, described voltage source is connected with electrothermal tube and is followed by
Entering PIC single chip microcomputer sampled signal input pin, described electrothermal tube is hollow tubular structure, and electric heating tube wall arranges heating wire.
Temperature sampling circuit uses accurate voltage source TL431 to realize accurate voltage sampling, voltage signal sampling obtained
Being processed to PIC single chip microcomputer by the input of sampled signal input pin, temperature sampling circuit gathers electrothermal tube mid frequency, nothing
Need to manually regulate, there is higher degree of regulation.
Described electric heating tube wall attachment heating wire, is attached to electric heating tube wall heating wire and insulate with electric heating tube wall, and electric heating tube wall
Insulant is set.As in figure 2 it is shown, by heating wire is attached to electric heating tube wall, and heating wire is without cease with the insulation of electric heating tube wall
Heat, can realize high-power smog injection on a large scale.If heating wire is directly connected safe voltage, which achieves small-power
Little scope is sprayed, simultaneously as be safe voltage on electrothermal tube, heating wire drive circuit can realize small size, mobility
Good design requirement.
Control the control method of device based on above-mentioned atomization, comprise the following steps:
Step one: starting PIC single chip microcomputer, PIC single chip microcomputer is according to power and aerosol type set fiducial temperature, and passes through
PWM pulsewidth is modulated, and PIC single chip microcomputer pin output is to electrothermal tube drive circuit, and heating wire is rapidly heated to benchmark temperature
Degree;Fiducial temperature can be regulated by user voluntarily;
Step 2: PIC single chip microcomputer drives operation of oil pump by oil pump driven circuit, oil pump is by pipeline extraction aerosol also
Inside aerosol transmission to electrothermal tube, aerosol expands rapidly atomization through heat, then carries out smog by the electrothermal tube mouth of pipe
Injection;
Step 3: PIC single chip microcomputer, by internal PID regulator regulation PWM pulse duty cycle, plays regulation heater strip temperature
Effect, it is ensured that aerosol spraying amount relative constancy.
Concrete, described step 2 specifically includes following steps:
PIC single chip microcomputer pin output PWM pulse-width signal is believed to oil pump driven circuit, oil pump according to PWM pulsewidth modulation
Number extraction aerosol, and by aerosol transmission to inside electrothermal tube, owing to the heating wire in electrothermal tube is warming up to fiducial temperature, cigarette
Mist agent heat expands rapidly atomization, forms smog, then carries out smog injection by the electrothermal tube mouth of pipe.
PWM pulse duty cycle is the biggest, shows that the frequency that PIC single chip microcomputer pin exports is the highest, owing to oil pump is in different merits
Rate drives lower extraction speed different, and when oil pump is under the driving of altofrequency pin, oil pump extraction aerosol speed is the fastest, extraction
The amount of aerosol is the biggest, and the amount of smoke that aerosol is circulated to electrothermal tube internal preheating atomization generation is the biggest.
PIC single chip microcomputer preset reference temperature, realizes the control of spray amount, actual application by changing operation of oil pump frequency
In, operation of oil pump frequency is the highest, and electrothermal tube power is the biggest, and meanwhile, fiducial temperature is the highest, and spraying demand is big.As it is shown in figure 1,
First metal-oxide-semiconductor Q2 belongs to voltage-controlled device, owing to the working cycle of oil pump is 50Hz, and cycle 20ms, so PIC single chip microcomputer
The high level driving time of pin is 10ms, now the first audion Q6 conducting, and the second audion Q7 is not turned on, the first metal-oxide-semiconductor
Q2 turns on, and by changing the low level driving time of PIC single chip microcomputer pin, changes the operating frequency of oil pump, just can regulate in real time
Atomization controls the spray amount of device.
Embodiment:
Illustrate that the smog regulation of PIC single chip microcomputer and temperature regulate process below in conjunction with embodiment
PIC single chip microcomputer operational factor is as follows: pic chip internal PID actuator scale parameter is P, and PID regulator parameter is amassed
Between timesharing, initial value is I, is connected with display by pic chip, the temperature data that display real-time displays temperature sample circuit gathers,
And temperature data is shown in real time by temperature curve.
First, carrying out the debugging of scale parameter P, set pid parameter initial value as I as infinitely great, I is set to by specific experiment
9999, d=0, P=1, make PID become a pure proportional algorithm, now change P numerical value, observe temperature sampling electricity by display
The temperature data that road gathers, until temperature curve is damped oscillation, transit time is shorter, obtains suitable proportional band, really
Certainty ratio FACTOR P is 7.
The time of integration I: integral action eliminate atomization control device steady-state error.In the case of proportionality coefficient P is certain,
The time of integration, I was the least, and integral action is the strongest, and I is too small there is a possibility that atomization controls device instability, therefore, sets initial integration
Time is 100s, and by great many of experiments, atomization controls device to be occurred substantially postponing, and therefore, I should select suitably to be worth, the most really
Definite integral time I is 50s.
Through great many of experiments, native system does not use differential to regulate.
Atomization controls, in device, to use the structure arranging heating wire inside electrothermal tube, and heating wire is exhausted with electrothermal tube inwall
Edge.In actual application, electrothermal tube can be replaced following exothermic material, such as: heating wire or burning things which may cause a fire disaster heater.
PIC single chip microcomputer obtains electrothermal tube temperature data by temperature sampling circuit, and it is bent to draw temperature according to temperature data
Line.Due to electrothermal tube internal circulation aerosol, electric heating tube wall arranges heating wire, and heating wire variations in temperature electrothermal tube temperature simultaneously is real
Shi Bianhua, as it is shown on figure 3, Fig. 3 figure below represents electrothermal tube temperature curve ideally, upper figure is that this utility model provides
Atomization controls the temperature curve that device obtains, and in actual application, staff sets fiducial temperature according to plant capacity grade,
PIC single chip microcomputer obtains feedback temperature by electrothermal tube, and by poor to described feedback temperature and fiducial temperature, acquisition feedback temperature and
The difference of fiducial temperature, described difference is temperature allowance, and PIC single chip microcomputer carries out the real-time of PWM duty cycle by temperature allowance
Regulation.Being found out by figure, the temperature curve that this utility model provides is damped oscillation, and later stage hunting range is less.When benchmark temperature
When degree differs the least with feedback temperature, the output of the PWM pulse duty cycle that atomization controls device is almost nil, because there is no need
Carry out high-power heating, when fiducial temperature differs greatly with feedback temperature, in order to realize oepration at full load to reach benchmark temperature
Degree, atomization controls the output duty cycle of device and is close to 1, i.e. atomization controls the temperature curve of device close to temperature ideally
Write music line.
This utility model uses PWM pulse modulation technology, reduces temperature fluctuation present in tradition atomization control process
Big problem, makes the temperature of aerosol be maintained in certain interval range, and the spray amount then making the electrothermal tube mouth of pipe is stable,
In actual application, comfort level is higher, simultaneously as temperature fluctuation range is little so that atomization is more fully with stable.
Although detailed description of the invention of the present utility model is described by the above-mentioned accompanying drawing that combines, but not new to this practicality
The restriction of type protection domain, one of ordinary skill in the art should be understood that on the basis of the technical solution of the utility model, ability
Field technique personnel need not to pay various amendments or deformation that creative work can make still at protection model of the present utility model
Within enclosing.
Claims (8)
1. atomization controls device, it is characterized in that, drives including PIC single chip microcomputer, temperature sampling circuit, oil pump driven circuit and electrothermal tube
Galvanic electricity road, described temperature sampling circuit, oil pump driven circuit and electrothermal tube drive circuit be all connected with PIC single chip microcomputer, described temperature
Degree sample circuit is also connected with electrothermal tube drive circuit;Electrothermal tube drive circuit includes electrothermal tube, and described electrothermal tube is internal to be arranged
Heating wire;
Temperature sampling circuit gathers heating wire temperature, and by heating wire Temperature Feedback to PIC single chip microcomputer, PIC single chip microcomputer passes through PWM
Pulsewidth is adjusted, and then by pin output to electrothermal tube drive circuit, heating wire is rapidly heated to fiducial temperature, so
After, PIC single chip microcomputer drives operation of oil pump by oil pump driven circuit, and aerosol by pipeline extraction aerosol and is transmitted by oil pump
To electrothermal tube, then aerosol expands rapidly atomization through heat, then is carried out the injection of smog by the electrothermal tube mouth of pipe, at cigarette
During mist jet, PIC single chip microcomputer is by internal PID regulator regulation PWM pulse duty cycle, and then regulation output, rises
Effect to regulation heater strip temperature, it is ensured that aerosol spraying amount relative constancy.
2. atomization as claimed in claim 1 controls device, it is characterized in that, described temperature sampling circuit includes the voltage source of parallel connection
With electric capacity C12, described voltage source accesses PIC single chip microcomputer sampled signal input pin, outside described electrothermal tube after connecting with electrothermal tube
Wall adheres to NTC thermistor, and electrothermal tube is hollow tubular structure.
3. atomization as claimed in claim 2 controls device, it is characterized in that, described atomization controls device and also includes wireless receiving electricity
Road, described wireless receiving circuit is connected with the output pin of PIC single chip microcomputer, and wireless receiving circuit and remote media terminal carry out nothing
Line communicates, and PIC single chip microcomputer is remotely controlled by remote media terminal by wireless receiving circuit.
4. atomization as claimed in claim 1 controls device, it is characterized in that, described electric heating tube wall attachment heating wire, is attached to electricity
The heating wire of heat pipe wall is the most adiabatic with the insulation of electric heating tube wall, and electric heating tube wall arranges insulant.
5. atomization as claimed in claim 1 controls device, it is characterized in that, described atomization controls device and also includes valve, described
Valve is arranged at the electrothermal tube mouth of pipe.
6. atomization as claimed in claim 1 controls device, it is characterized in that, the described electrothermal tube mouth of pipe arranges injector head, described spray
Penetrating cephalic par and arrange some spray-holes, and also set up flow adjustment knob on injector head, described flow adjustment knob is used for regulating
Spray-hole aperture, it is achieved the regulation of inner stream flow.
7. atomization as claimed in claim 6 controls device, it is characterized in that, described electrothermal tube replaces with heating wire or burning things which may cause a fire disaster heating
Body.
8. atomization as claimed in claim 1 controls device, it is characterized in that, described atomization controls device and also includes electric supply installation,
Described electric supply installation uses direct current or exchange Width funtion to power.
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CN201620668047.XU CN205797549U (en) | 2016-06-29 | 2016-06-29 | Atomization controls device |
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CN201620668047.XU CN205797549U (en) | 2016-06-29 | 2016-06-29 | Atomization controls device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106040469A (en) * | 2016-06-29 | 2016-10-26 | 青岛凌鼎智能科技有限公司 | Atomization control device and control method |
-
2016
- 2016-06-29 CN CN201620668047.XU patent/CN205797549U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106040469A (en) * | 2016-06-29 | 2016-10-26 | 青岛凌鼎智能科技有限公司 | Atomization control device and control method |
CN106040469B (en) * | 2016-06-29 | 2018-10-16 | 青岛凌鼎智能科技有限公司 | It is atomized control device and control method |
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