CN105879765B - The magnetic stirring apparatus and its kneading control method of temperature linkage motor self adaptive control - Google Patents
The magnetic stirring apparatus and its kneading control method of temperature linkage motor self adaptive control Download PDFInfo
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- CN105879765B CN105879765B CN201610348724.4A CN201610348724A CN105879765B CN 105879765 B CN105879765 B CN 105879765B CN 201610348724 A CN201610348724 A CN 201610348724A CN 105879765 B CN105879765 B CN 105879765B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/80—Mixing plants; Combinations of mixers
- B01F33/81—Combinations of similar mixers, e.g. with rotary stirring devices in two or more receptacles
- B01F33/813—Combinations of similar mixers, e.g. with rotary stirring devices in two or more receptacles mixing simultaneously in two or more mixing receptacles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/45—Magnetic mixers; Mixers with magnetically driven stirrers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/20—Measuring; Control or regulation
- B01F35/22—Control or regulation
- B01F35/2201—Control or regulation characterised by the type of control technique used
- B01F35/2202—Controlling the mixing process by feed-back, i.e. a measured parameter of the mixture is measured, compared with the set-value and the feed values are corrected
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/20—Measuring; Control or regulation
- B01F35/22—Control or regulation
- B01F35/221—Control or regulation of operational parameters, e.g. level of material in the mixer, temperature or pressure
- B01F35/2214—Speed during the operation
- B01F35/22142—Speed of the mixing device during the operation
- B01F35/221422—Speed of rotation of the mixing axis, stirrer or receptacle during the operation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/20—Measuring; Control or regulation
- B01F35/22—Control or regulation
- B01F35/221—Control or regulation of operational parameters, e.g. level of material in the mixer, temperature or pressure
- B01F35/2215—Temperature
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/90—Heating or cooling systems
- B01F35/92—Heating or cooling systems for heating the outside of the receptacle, e.g. heated jackets or burners
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/90—Heating or cooling systems
- B01F2035/99—Heating
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The present invention relates to a kind of magnetic stirring apparatus and its kneading control method of the self adaptive control of temperature linkage motor, magnetic stirring apparatus includes being stirred to react stove and control box, it is stirred to react stirring area and control zone that stove is equipped with closing connection, temperature sensor is equipped in stirring area, stirring area is equipped at least one stirred tank, control zone is internally provided with electric boiling plate and stirring driving plate, have at least one by stirring motor and the molecular magnetic stirring mechanism of magnetic stirring in stirring driving plate, magnetic stirring mechanism is arranged in the bottom of stirred tank；There is the magnetic coder rotated together with shaft in the shaft of stirring motor, there is controller, electric boiling plate, stirring driving plate, temperature sensor and magnetic coder to be electrically connected with the controller in control box.The magnetic stirring apparatus can be changed rotating speed in real time by temperature linkage stirring motor, be stirred in the way of magnetic agitation, stable temperature control stirs evenly, and work efficiency is high and energy saving beauty on the basis of temperature is realized and is precisely controlled.
Description
Technical field
It can vary with temperature and adaptively adjusted the present invention relates to a kind of magnetic stirring apparatus more particularly to a kind of mixing speed
The magnetic stirring apparatus of control, specifically a kind of magnetic stirring apparatus for using temperature linkage motor to carry out adaptive mixing control with
And self-adaptation control method, it applies in chemical industry, belongs to the control of chemical industry precision and polyester chemical fibre structural device technical field.
Background technology
It is easy to some in industry with the development of the industries such as medicine, food, organic synthesis, petrochemical industry and nuclear industry
Combustion, the stirring of explosive, toxic, strong corrosive and valuable medium are stirred to react the requirement of process and are increasingly stringenter, therefore, to stirring
The accurate mixing control for mixing device is concerned.There are three effects for general magnetic stirring apparatus tool：First, reactant is made to be uniformly mixed,
Keep temperature uniform；Second is that effect is can to prevent bumping in a closed vessel in heating；Three are to speed up reaction speed or add
Fast evaporation rate.In polyester production of chemical fibres, need to be stirred experiment, the magnetic stirring apparatus on existing market to raw material
It is a kind of characteristic using magnetisable material homopolar-repulsion, magnetic stirrer is pushed by constantly converting the polarity at both ends of pedestal
Rotation, then sample rotation is driven by the rotation of magnetic stirrer, so that sample is reached a kind of mixed uniformly instrument.But it is existing
The purchase cost of magnetic stirring apparatus is high, and can not adapt to the demand of different user, and inconvenient to use, working efficiency is low.Cause
This, gets well there is an urgent need for a kind of at low cost, mixing effect and disclosure satisfy that the magnetic stirring apparatus of different demands.
Invention content
The purpose of the present invention is to provide a kind of magnetic stirring apparatus of temperature linkage motor self adaptive control and its stirring controls
Method processed, the magnetic stirring apparatus can be linked by the numerical value of temperature sensor and stirred on the basis of temperature is realized and is precisely controlled
Motor changes rotating speed in real time, and is sufficiently stirred to chemical solution in the way of magnetic agitation, and stable temperature control stirs evenly,
Work efficiency is high and energy saving beauty.
To achieve the goals above, the technical solution adopted by the present invention is, a kind of temperature linkage motor self adaptive control
Magnetic stirring apparatus, including it is stirred to react stove and control box, the stove that is stirred to react is equipped with stirring area and control zone, the stirring
Area, which is arranged the top in control zone and is closed with control zone, to be connected；Temperature sensor is equipped in stirring area, on the stirring area
Equipped at least one stirred tank, the control zone is internally provided with electric boiling plate and stirring driving plate, is set in the stirring driving plate
Have at least one by stirring motor and the molecular magnetic stirring mechanism of magnetic stirring, the magnetic stirring mechanism setting is being stirred
The bottom of slot；The shaft of the stirring motor is equipped with the magnetic coder rotated together with shaft, and control is equipped in the control box
Device processed, the electric boiling plate, stirring driving plate, temperature sensor and magnetic coder are electrically connected with the controller.
As an improvement of the present invention, the stirring motor be fixed on stirring driving plate on, the shaft of stirring motor with
The center of magnetic stirrer is fixedly connected, and the center of the magnetic stirrer and the center of stirred tank are located on same vertical line.
As an improvement of the present invention, the stirring motor use direct current generator, have it is small, light-weight, be easy to
The advantages that installation, can be conveniently installed in stirring driving plate, while also effectively reduce the volume for being stirred to react stove.
As an improvement of the present invention, the quantity of the stirred tank is 1-10, and each stirred tank can be used alone, from
And realize multiple raw materials while stirring, easy to use, work efficiency is high；The shape of the stirred tank is bullet type, anatomic shape
And can be convenient for that developmental tube is inserted into stirred tank and can be bonded developmental tube closely with stirred tank during the test, help to carry
The heating stirring uniformity of high raw material.
As an improvement of the present invention, it is equipped with metal heat transfer pipe in the bottom of the stirred tank, the electric boiling plate will
Heat first passes to metal heat transfer pipe, then transfers heat to stirred tank by metal heat transfer pipe, is driven in metal heat transfer pipe and stirring
It is equipped with insulated thermal insulating layer between movable plate, prevents stirring driving plate from being damaged by high temperature.
As an improvement of the present invention, multiple magnetic patch are equipped on the lateral wall of the control zone, by changing magnetic patch
Quantity carry out the change frequency of the rotating excitation field in auxiliary adjustment stirring area, to the mixing speed of changeable magnetic stirrer.
As an improvement of the present invention, the control box is equipped with control panel, and the control panel is aobvious equipped with PV
Show window, SV display windows, on ＆ off switch, indicator light, function key and adjusting key；In addition, temperature control in order to prevent, in the control
Box processed is equipped with the buzzer of high temperature alarm, and the buzzer connects controller by relay, once temperature is beyond setting threshold
Value, buzzer can alarm immediately, prevent accident.
As an improvement of the present invention, the controller includes sef-adapting filter and main control chip, the master control core
On piece is equipped with motor drive module and temperature control modules, and the temperature sensor connects master control core by sef-adapting filter
Piece, the stirring driving plate, magnetic coder are connected with motor drive module, and the electric boiling plate is connected with temperature control modules,
The input terminal of the output end connection motor drive module of the temperature control modules.
A kind of adaptive kneading control method of temperature linkage motor applied to above-mentioned magnetic stirring apparatus, on the control panel
Set temperature setting value is simultaneously inputted as the temperature of temperature control modules, and temperature control modules are according to temperature sensor and adaptive
It answers the temperature error that filter feedback comes to carry out temperature self-adaptation adjustment, ensures the temperature value and temperature that temperature sensor measures
Setting value is consistent；The correspondence between the temperature value output of temperature control modules and the tachometer value of stirring motor is established, and
It is inputted the temperature value output of temperature control modules as the signal of motor drive module, motor drive module is exported according to temperature
Correspondence between value and tachometer value generates the pulse frequency changed with temperature self-adaptation, the stirring speed for controlling stirring motor
Degree；Specifically comprise the following steps：
(1) mathematical modeling is carried out to the error of temperature sensor temperature detection, establishes the physical equation of measuring temperature error；
(2) temperature that the temperature value S (n) set by control panel is used as to temperature control modules inputs, and by temperature
The value V that setting value S (n) is solved with the temperature error equation corresponding to the temperature0(n) carry out read group total after gained value d
(n) it is inputted as the original signal of sef-adapting filter, the value V that temperature sensor is detected1(n) as sef-adapting filter
Reference signal inputs, the estimated value y (n) for the value that the output of sef-adapting filter is solved by temperature error equation；
(3) the temperature output e (n) of temperature control modules is solved out by desired temperature S (n), the temperature error equation
Value V0(n) and sef-adapting filter output Temperature estimate value y (n) algebraical sum, i.e. e (n)=S (n)+V0(n)-y(n)；
(4) temperature of temperature control modules output e (n) is compared with desired temperature S (n), if the two is unequal
Heating signal driving electric boiling plate heating is then sent until the two is equal；
After realizing being precisely controlled of whipping temp, horse is stirred using the temperature value output of temperature control modules as control
Up to a feedback of rotating speed, realizes the process of temperature linkage motor control, reach different temperatures and correspond to different mixing speeds
Effect, it is specific as follows：
(5) the correspondence formula between the rotating speed V (n) of stirring motor and output temperature e (n) is established
Wherein, the unit of e (n) is DEG C that the unit of V (n) is r/min；
(6) temperature of temperature control modules is exported into a feedback input signal as motor drive module, motor drives
Dynamic model root tuber generates the pulse frequency changed with temperature self-adaptation, stirring according to the correspondence formula between temperature value output and tachometer value
Driving plate carries out automatic speed regulation after receiving pulse duration frequency signal to stirring motor, to realize the adaptive speed regulation of stirring motor,
To which the changes of magnetic field frequency that magnetic stirrer generates also changes, achieve the purpose that different mixing effects.
Compared with the existing technology, advantages of the present invention is as follows：The overall construction design of magnetic stirring apparatus is ingenious, dismounting assembling
Convenient maintenance and replacement, cost is relatively low, and mixing effect is good, energy saving beauty；Electric boiling plate pair is passed through using the controller in control box
The experimental temperature being stirred to react in stove is precisely controlled, and heating temperature controls in advance, and stable temperature control fully meets certainization
The temperature harsh conditions for learning experiment help to generate normal chemical reaction to the chemical solution being stirred to react in stove；According to building
Correspondence between vertical temperature and stirring motor rotating speed realizes electricity by the temperature data linkage stirring motor of temperature sensor
The automatic speed regulation of machine changes the speed of rotation of rotating excitation field, is more favorable for being sufficiently mixed for chemical solution indirectly；And utilize magnetic force
Agitating mode is indirectly sufficiently stirred chemical solution, not only avoids the inconvenience artificially stirred, reduces due to artificial
The solution of stirring wastes, it is ensured that the personal safety of laboratory technician, and also achieve the strong full-automatic agitating function of robustness.
In addition, being equipped with multiple stirred tanks on reacting furnace, each stirred tank can be used alone, stir evenly, and can adapt to different user
Demand, easy to use, work efficiency is high, and the shape of each stirred tank is both configured to bullet type, not only anatomic shape, also just
In developmental tube is inserted into stirred tank during the test and developmental tube is allowed to be bonded closely with stirred tank, raw material is helped to improve
Heating stirring uniformity.
Description of the drawings
Fig. 1 is the structural schematic diagram of magnetic stirring apparatus proposed by the invention.
Fig. 2 is to be stirred to react stove sectional view in magnetic stirring apparatus proposed by the invention.
Fig. 3 is the electric control principle block diagram of magnetic stirring apparatus proposed by the invention.
Fig. 4 is the temperature self-adaptation control principle drawing of the present invention.
Fig. 5 is the rotating speed and vs. temperature figure of the stirring motor of the present invention.
In figure：1, control box, 2, conducting wire, 3, buzzer, 4, be stirred to react stove, 5, PV display windows, 6, SV display windows,
7, on ＆ off switch, 8, indicator light, 9, function key, 10, adjusting key, 11, stirring area, 12, control zone, 13, stirred tank, 14, magnetic patch,
15, driving plate is stirred, 16, magnetic stirrer, 17, electric boiling plate.
Specific implementation mode
In order to deepen the understanding of the present invention and understanding furthers elucidate this with reference to the accompanying drawings and detailed description
Invention, it should be understood that following specific implementation modes are only illustrative of the invention and is not intended to limit the scope of the invention.It needs to illustrate
, word "front", "rear" used in the following description, "left", "right", "up" and "down" refer to the direction in attached drawing, word
Language "inner" and "outside" refer respectively to the direction towards or away from geometric center of specific component.
As shown in Fig. 1-Fig. 3, a kind of magnetic stirring apparatus of temperature linkage motor self adaptive control, including it is stirred to react stove 4
With control box 1, the stove 4 that is stirred to react is equipped with stirring area 11 and control zone 12, and the stirring area 11 is arranged in control zone 12
Top and with control zone 12 close connect.It is equipped with thermocouple temperature sensor in stirring area 11, is set on the stirring area 11
There are nine stirred tanks 13, be divided into three rows, it is evenly distributed often to arrange three stirred tanks 13.Each stirred tank 13 can be used alone, to
It realizes multiple raw materials while stirring, easy to use, work efficiency is high；The shape of all stirred tanks 13 is bullet type, anatomic shape
And can be convenient for that developmental tube is inserted into stirred tank 13 and can be bonded developmental tube closely with stirred tank 13 during the test, it helps
In the heating stirring uniformity for improving raw material.
The control zone 12 is internally provided with electric boiling plate 17 and stirring driving plate 15, and the stirring driving plate 15 is equipped with nine
A magnetic stirring mechanism, each magnetic stirring mechanism are made of stirring motor and magnetic stirrer 16, and the stirring motor is solid
It is scheduled in stirring driving plate 15, the shaft of stirring motor is fixedly connected with the center of magnetic stirrer 16, the magnetic stirrer
16 center is located at the center of stirred tank 13 on same vertical line.The shaft of the stirring motor is equipped with to be turned with shaft
Dynamic magnetic coder, magnetic coder measure the rotating speed of stirring motor, make the pulse frequency self-adaptive temperature value of control motor and change
Become, realize the automatic speed regulation of motor, will also change to the frequency of changes of magnetic field, and achieve the purpose that different mixing effects.
In addition, the stirring motor use direct current generator, have many advantages, such as it is small, light-weight, be easily installed, can be conveniently installed at
It stirs in driving plate 15, while also effectively reducing the volume for being stirred to react stove 4.And on the lateral wall of the control zone 12
Equipped with multiple magnetic patch 14, by changing the quantity of magnetic patch 14 come the change frequency of the rotating excitation field in auxiliary adjustment stirring area 11,
To the mixing speed of changeable magnetic stirrer 16.
It is equipped with aluminum metal heat transfer pipe in the bottom of the stirred tank 13, heat is first passed to gold by the electric boiling plate 17
Belong to heat-transfer pipe, then stirred tank 13 is transferred heat to by metal heat transfer pipe, is equipped between metal heat transfer pipe and stirring driving plate 15
Insulated thermal insulating layer prevents stirring driving plate 15 from being damaged by high temperature.
Control panel and controller, the electric boiling plate 17, stirring driving plate 15, thermocouple are equipped in the control box 1
Temperature sensor and magnetic coder are electrically connected with the controller by conducting wire 2.The front of the control panel is shown equipped with PV
Window 5, SV display windows 6, on ＆ off switch 7, indicator light 8, function key 9 and adjusting key 10, PV display windows 5 show set temperature,
SV display windows 6 show instantaneous temperature, and indicator light 8 is bright when on ＆ off switch 7 is opened, and function key 9 is used for the modification of setting value, parameter,
Adjusting key 10 can with adjustment parameter or enter definition status.Wherein, the controller includes sef-adapting filter and main control chip,
The main control chip is equipped with motor drive module and temperature control modules, and the thermocouple temperature sensor is by adaptively filtering
Wave device connects main control chip, and the stirring driving plate 15, magnetic coder be connected with motor drive module, the electric boiling plate 17 and
Temperature control modules are connected, the input terminal of the output end connection motor drive module of the temperature control modules.In addition, in order to anti-
Only temperature control, is equipped with the buzzer 3 of high temperature alarm in the control box 1, and the buzzer 3 is connected by relay and controlled
Device, once temperature exceeds given threshold, buzzer 3 can alarm immediately, prevent accident.
As shown in figure 4, a kind of adaptive kneading control method of temperature linkage motor applied to above-mentioned magnetic stirring apparatus,
On control panel set temperature setting value and as the temperature of temperature control modules input, temperature control modules are according to thermocouple temperature
The temperature error that degree sensor and sef-adapting filter feedback come carries out temperature self-adaptation adjustment, ensures that electric thermo-couple temperature passes
The temperature value that sensor measures is consistent with desired temperature；Establish the temperature value output and stirring motor of temperature control modules
Correspondence between tachometer value, and inputted the temperature value output of temperature control modules as the signal of motor drive module, electricity
Machine drive module generates the pulse frequency changed with temperature self-adaptation according to the correspondence between temperature value output and tachometer value, uses
In the mixing speed of control stirring motor；Specifically comprise the following steps：
(1) mathematical modeling is carried out to the error of thermocouple temperature sensor temperature detection, establishes the object of measuring temperature error
Manage equation T=± T0* K, wherein T is error temperature (unit：DEG C), T0For measuring temperature (unit：DEG C), K is electric thermo-couple temperature
The permitted worst error coefficient (%) of sensor, be specifically dependent upon thermocouple temperature sensor model and manufacturer to accidentally
The calibration of difference, the value of K generally have 0.4%, 0.5%, 0.75% etc..
(2) the temperature value S (n) set in control panel is inputted as the temperature of temperature control modules, and temperature is set
The value V that definite value S (n) is solved with the temperature error equation corresponding to the temperature0(n)(V0(n)=± S (n) * K) carry out summation meter
The value d (n) of gained is inputted as the original signal of sef-adapting filter after calculation, the value V that thermocouple temperature sensor is detected1
(n) it is inputted as the reference signal of sef-adapting filter, the value that the output of sef-adapting filter is solved by temperature error equation
Estimated value y (n)；Wherein, adaptive-filtering implement body uses auto-adaptive fir filter, the impulse of auto-adaptive fir filter to ring
W (n)={ w (0), w (1) ..., w (N-1) } is should be, therefore the output of sef-adapting filter is y (n)=V1(n)*w(n)。
(3) the temperature output e (n) of temperature control modules is solved out by desired temperature S (n), the temperature error equation
Value V0(n) and sef-adapting filter output Temperature estimate value y (n) algebraical sum, i.e. e (n)=S (n)+V0(n)-y(n)；
(4) temperature of temperature control modules output e (n) is compared with desired temperature S (n), if the two is unequal
Heating signal driving electric boiling plate 17 heating is then sent until the two is equal；
After realizing being precisely controlled of whipping temp, using the temperature value of temperature control modules output as control stirring horse
Up to a feedback of rotating speed, realizes the process of temperature linkage motor control, reach different temperatures and correspond to different mixing speeds
Effect, it is specific as follows：
(5) the correspondence formula between the rotating speed V (n) of stirring motor and output temperature e (n) is established
Wherein, the unit of e (n) is DEG C that the unit of V (n) is r/min；
(6) temperature of temperature control modules is exported and is inputted as a signal of motor drive module, motor drives mould
Root tuber generates the pulse frequency changed with temperature self-adaptation, stirring driving according to the correspondence formula between temperature value output and tachometer value
Plate 15 carries out automatic speed regulation after receiving pulse duration frequency signal to stirring motor, to realize the adaptive speed regulation of stirring motor, from
And the changes of magnetic field frequency that magnetic stirrer 16 generates also changes, and achievees the purpose that different mixing effects.
The technical means disclosed in the embodiments of the present invention is not limited only to the technological means disclosed in the above embodiment, further includes
By the above technical characteristic arbitrarily the formed technical solution of combination.It should be pointed out that for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (8)
1. a kind of magnetic stirring apparatus of temperature linkage motor self adaptive control, it is characterised in that：Including being stirred to react stove and control
Box, the stove that is stirred to react are equipped with stirring area and control zone, and the top in control zone and and control zone is arranged in the stirring area
Closing connection；Temperature sensor is equipped in stirring area, the stirring area is equipped at least one stirred tank, in the control zone
Portion is equipped with electric boiling plate and stirring driving plate, and the stirring driving plate is equipped at least one by stirring motor and magnetic stirrer
The magnetic stirring mechanism of composition, the magnetic stirring mechanism are arranged in the bottom of stirred tank；The quantity of the stirred tank is 1-10
A, the shape of stirred tank is bullet type；The shaft of the stirring motor is equipped with the magnetic coder rotated together with shaft, described
Stirring motor is fixed in stirring driving plate, and the shaft of stirring motor is fixedly connected with the center of magnetic stirrer, the magnetism
The center of stirrer and the center of stirred tank are located on same vertical line, and controller, the electrical heating are equipped in the control box
Plate, stirring driving plate, temperature sensor and magnetic coder are electrically connected with the controller.
2. the magnetic stirring apparatus of temperature linkage motor self adaptive control as described in claim 1, which is characterized in that the stirring
Motor uses direct current generator.
3. the magnetic stirring apparatus of temperature linkage motor self adaptive control as described in claim 1, which is characterized in that stirred described
The bottom for mixing slot is equipped with metal heat transfer pipe, and heat is first passed to metal heat transfer pipe by the electric boiling plate, then by metal heat transfer pipe
Stirred tank is transferred heat to, insulated thermal insulating layer is equipped between metal heat transfer pipe and stirring driving plate.
4. the magnetic stirring apparatus of temperature linkage motor self adaptive control as claimed in claim 3, which is characterized in that in the control
The lateral wall in area processed is equipped with multiple magnetic patch.
5. the magnetic stirring apparatus of temperature linkage motor self adaptive control as described in claim 1, which is characterized in that the control
Box is equipped with control panel, and the control panel is equipped with PV display windows, SV display windows, on ＆ off switch, indicator light, function key
And adjusting key, the buzzer of high temperature alarm is equipped in the control box, the buzzer connects controller by relay.
6. the magnetic stirring apparatus of temperature linkage motor self adaptive control as claimed in claim 5, which is characterized in that the control
Device includes sef-adapting filter and main control chip, and the main control chip is equipped with motor drive module and temperature control modules, institute
It states temperature sensor and main control chip is connected by sef-adapting filter, the stirring driving plate, magnetic coder and motor drive mould
Block is connected, and the electric boiling plate is connected with temperature control modules, and the output end connection motor of the temperature control modules drives mould
The input terminal of block.
7. a kind of adaptive kneading control method of temperature linkage motor applied to magnetic stirring apparatus as claimed in claim 6,
It is characterized in that, on the control panel set temperature setting value and as the temperature of temperature control modules input, temperature control
Molding root tuber carries out temperature self-adaptation adjustment according to the temperature error that temperature sensor and sef-adapting filter feedback come, and ensures
The temperature value that temperature sensor measures is consistent with desired temperature；Establish temperature value output and the stirring of temperature control modules
Correspondence between the tachometer value of motor, and the temperature value output of temperature control modules is defeated as the signal of motor drive module
Enter, motor drive module generates the pulse frequency changed with temperature self-adaptation according to the correspondence between temperature value output and tachometer value
Rate, the mixing speed for controlling stirring motor.
8. adaptive kneading control method as claimed in claim 7, which is characterized in that this method specifically comprises the following steps：
(1) mathematical modeling is carried out to the error of temperature sensor temperature detection, establishes the physical equation of measuring temperature error；
(2) the temperature value S (n) set in control panel is inputted as the temperature of temperature control modules, and by desired temperature S
(n) the value V solved with the temperature error equation corresponding to the temperature0(n) carry out read group total after gained value d (n) conducts
The original signal of sef-adapting filter inputs, the value V that temperature sensor is detected1(n) believe as the reference of sef-adapting filter
Number input, the estimated value y (n) for the value that the output of sef-adapting filter is solved by temperature error equation；
(3) the value V that the temperature output e (n) of temperature control modules is solved out by desired temperature S (n), temperature error equation0
(n) and sef-adapting filter output Temperature estimate value y (n) algebraical sum, i.e. e (n)=S (n)+V0(n)-y(n)；
(4) temperature of temperature control modules output e (n) is compared with desired temperature S (n), is sent out if the two is unequal
Send heating signal driving electric boiling plate heating until the two is equal；
(5) the correspondence formula between the rotating speed V (n) of stirring motor and temperature output e (n) is established
Wherein, the unit of e (n) is DEG C that the unit of V (n) is r/min；
(6) temperature of temperature control modules is exported and is inputted as the feedback signal of motor drive module, motor drive module root
The pulse frequency changed with temperature self-adaptation is generated according to the correspondence formula between temperature value output and tachometer value, stirring driving plate connects
Automatic speed regulation is carried out to stirring motor after receiving pulse duration frequency signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610348724.4A CN105879765B (en) | 2016-05-24 | 2016-05-24 | The magnetic stirring apparatus and its kneading control method of temperature linkage motor self adaptive control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610348724.4A CN105879765B (en) | 2016-05-24 | 2016-05-24 | The magnetic stirring apparatus and its kneading control method of temperature linkage motor self adaptive control |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105879765A CN105879765A (en) | 2016-08-24 |
| CN105879765B true CN105879765B (en) | 2018-09-07 |
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| CN101637711A (en) * | 2009-08-24 | 2010-02-03 | 山东大学威海分校 | Method and device for efficiently controlling temperature of reaction kettle |
| CN204911488U (en) * | 2015-07-26 | 2015-12-30 | 莆田市荔城区聚慧科技咨询有限公司 | Reactor of resin production facility |
| CN205020020U (en) * | 2015-09-14 | 2016-02-10 | 鼎泰（湖北）生化科技设备制造有限公司 | Various article magnetic stirrers |
| CN205761108U (en) * | 2016-05-24 | 2016-12-07 | 南京汉之力化工科技有限公司 | The magnetic stirring apparatus controlled based on temperature self-adaptation |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101637711A (en) * | 2009-08-24 | 2010-02-03 | 山东大学威海分校 | Method and device for efficiently controlling temperature of reaction kettle |
| CN204911488U (en) * | 2015-07-26 | 2015-12-30 | 莆田市荔城区聚慧科技咨询有限公司 | Reactor of resin production facility |
| CN205020020U (en) * | 2015-09-14 | 2016-02-10 | 鼎泰（湖北）生化科技设备制造有限公司 | Various article magnetic stirrers |
| CN205761108U (en) * | 2016-05-24 | 2016-12-07 | 南京汉之力化工科技有限公司 | The magnetic stirring apparatus controlled based on temperature self-adaptation |
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