CN109584693A - Automatic electrostatic field drawing apparatus - Google Patents
Automatic electrostatic field drawing apparatus Download PDFInfo
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- CN109584693A CN109584693A CN201910084088.2A CN201910084088A CN109584693A CN 109584693 A CN109584693 A CN 109584693A CN 201910084088 A CN201910084088 A CN 201910084088A CN 109584693 A CN109584693 A CN 109584693A
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- 230000005686 electrostatic field Effects 0.000 title claims abstract description 32
- 239000000523 sample Substances 0.000 claims abstract description 124
- 230000003287 optical effect Effects 0.000 claims abstract description 72
- 238000005259 measurement Methods 0.000 claims abstract description 53
- 238000000034 method Methods 0.000 claims abstract description 20
- 230000005684 electric field Effects 0.000 claims description 27
- 239000003990 capacitor Substances 0.000 claims description 14
- 230000005611 electricity Effects 0.000 claims description 12
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 230000009467 reduction Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 3
- 239000011120 plywood Substances 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 101000701286 Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1) Alkanesulfonate monooxygenase Proteins 0.000 description 1
- 101000983349 Solanum commersonii Osmotin-like protein OSML13 Proteins 0.000 description 1
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- 238000004886 process control Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/18—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism
- G09B23/181—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism for electric and magnetic fields; for voltages; for currents
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- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The invention discloses a kind of automatic electrostatic field drawing apparatus, including drawing apparatus, the drawing apparatus includes stepper motor, cross structure, U-shaped measurement arm, lifting platform, steering engine, fixed frame, pen, top plate, lower plywood and electrode sink；The cross structure is made of X-axis and Y-axis, the X-axis and Y-axis are made of two optical axises with fixed plate respectively, the X-axis is connected by optical axis sliding sleeve with sliding sleeve fixed plate with Y-axis, there are four bearings for setting on the inside of the optical axis sliding sleeve and sliding sleeve fixed plate, two stepper motors are located at the X-axis both ends, and two stepper motors are connected with four bearings by belt；The lower plywood is equipped with lifting platform, and electrode sink is placed on the lifting platform.The present invention can independently find potential point, automatic reading, automatically dotting, and while Automatic-searching potential point, display screen comes out the potential real-time display where probe, reduce due to number reading method it is incorrect caused by experimental error.
Description
Technical field
The present invention relates to physical experiment apparatus technical fields, and in particular to a kind of automatic electrostatic field drawing apparatus.
Background technique
In the lab, describing electrostatic field with simulation is a very important Experiments of Electromagnetism, currently, many colleges and universities
Use manually double-layer trough type electrostatic field scanner.The electrostatic field scanner has shortcomings: first, connecting two probes up and down
Fixed handle quality it is larger, it is very big with the frictional force of testing stand, be difficult to control its shift position when moving；Second, hand
The movement of dynamic control probe and handle, makes the potential of probe point need micro- fine-tune close to Place object potential to be measured
When, it is difficult to control the mobile accuracy of probe, thus cause measurement error larger；Third, when describing electrostatic field, using human eye
The method for observing voltmeter reading finds equipotentiality point, and efficiency is very low, and it is larger to read experimental error.
Summary of the invention
The purpose of the present invention is to provide the automations that one kind can independently find potential point, automatic reading, automatically dotting
Electrostatic field scanner, while Automatic-searching potential point, display screen comes out the potential real-time display where probe, reduces
Due to number reading method it is incorrect caused by experimental error, when the potential where the probe is equal with target potential, automatically dotting, into
And potential will be depicted between electrode in the distribution in space.
To further realize above-mentioned purpose, the invention adopts the following technical scheme: automatic electrostatic field drawing apparatus, feature
It is, comprising:
Probe, probe are used to contact with the manipulation of electrode sink, acquire the voltage value of contact point, and through voltage acquisition module tune
Voltage value is transferred to controller after reason；
Pen, installation is contacted by servo driving with paper manipulation in steering engine, for describing electrostatic field figure, the steering engine electricity
Controller is connected, crawl is manipulated by controller；
Electrode sink and paper are fixed on the different layers of lifting platform jointly, and are located at below probe and steering engine；
Steering engine and probe press different height respectively, and coaxial line is fixed on cantilever one end, the cantilever other end and Y optical axis
One end be fixedly connected, X-ray axis is each passed through the through-hole being mutually isolated in sliding sleeve, the X-ray axis perpendicular to Y optical axis, with Y optical axis
And Y optical axis is slidably connected with sliding sleeve, the horizontal layout where clamping plate is parallel to X-ray axis and Y optical axis is connect with sliding sleeve, clamping plate quadrangle
It is respectively vertically installed with rotatable pulley, X-ray axis both ends are fixed, and X-ray axis both ends and Y optical axis connect respectively close to one end of cantilever
The fixed plate for being equipped with sliding roller is connect, Y optical axis is connected and installed with the fixed plate of belt clamp far from one end of cantilever, and a root skin band is successively
Around four pulleys and three sliding rollers, clamp the both ends of belt by belt clamp, the cunning roller point at the X-ray axis both ends
It is not rotated by the first stepper motor and second stepper motor driving, is equipped in first stepper motor and second stepper motor
Stepper motor rotates clockwise drive module and stepper motor rotates counterclockwise drive module, for making first stepper motor
It can rotate clockwise, rotate counterclockwise and stop with second stepper motor, the stepper motor rotates clockwise drive module
Drive module signal, which is rotated counterclockwise, with stepper motor connects the controller；
When the controller at least goes back signal linking objective voltage input circuit, electrode selecting circuit, display module, high frequency
Clock circuit, low-frequency clock circuit, be respectively used to setting target voltage, setting draw electric field methods, show probe collection voltage,
And storage.
Further, the controller also signal connects reset circuit, ACK button, switch button, distance input circuit.
Further, the target voltage input circuit is by increase target voltage selection key K1, reduction target voltage selection
Key K2 composition, mono- end signal of increase target voltage selection key K1 connect the controller, the reduction target voltage selection
Key K2 one end connection signal connects the controller, the increase target voltage selection key K1, reduces target voltage selection key K2
The other end be grounded.
Further, the voltage acquisition module is made of ADS1115 chip and first resistor R1, second resistance R2, institute
First resistor R1 and second resistance R2 series connection is stated, the first resistor R1 other end connects the probe, the second resistance R2
Other end ground connection, the first resistor R1 connects the A0 pin of the ADS1115 chip with second resistance R2 series connection end, described
The VCC pin connection 3.3V power supply of ADS1115 chip, GND pin ground connection, SCL pin and SDA pin are connected separately described
Controller.
Further, the electrode selecting circuit is made of electrode select button K3 and K4.
Further, the reset circuit is made of reset button K3 and first capacitor C1；The reset button K3 and
One capacitor C1 is in parallel, and one end ground connection, the other end connects the controller.
Further, the cantilever is U-shaped measurement arm, on upper arm, lower arm and connection including layered arrangement parallel to each other
The arm beam of arm and lower arm, the steering engine are fixed on the end of upper arm, and the probe is fixed on the end of lower arm.
Further, it is drawn by the electric field method for drafting of automatic electrostatic field above-mentioned drawing apparatus, including the straight coaxial electrode of length
Method processed；The straight coaxial electrode method for drafting of length, its step are as follows:
J1. the positive terminal for being electrically connected electrode sink for growing straight coaxial electrode and negative terminal are used and is powered,
The built-in vertical circular electric field of electrode sink, using two middle lines of electrode sink as X-coordinate axle and Y-coordinate axle, X-coordinate axle is parallel to
X-ray axis, Y-coordinate axle are parallel to Y optical axis, and using electrode sink center as origin, circular electric field is using origin as the center of circle, electromotive force edge
The radial trend in increase, entire circular electric field are divided into four fan-shaped regions by X-coordinate axle and Y-coordinate axle, are respectively at coordinate
First quartile, the second quadrant, third quadrant and fourth quadrant on axis；
J2. before system starting, target voltage is inputted by target voltage input circuit, electrode sink is contacted by probe and is surveyed
Voltage is measured, while is located at probe in the positive axis of X-coordinate axle or the positive axis or negative semiaxis of negative semiaxis or Y-coordinate axle, simultaneously
Controller is according to half of pulse period of clock frequency set；
If J3. probe is located at the negative semiaxis of Y-coordinate axle or third quadrant, when measuring voltage value greater than target voltage values, control
Device processed drives the first stepper motor to rotate clockwise and rotate half of pulse period counterclockwise with second stepper motor simultaneously, makes belt
Belt clamp is pulled, driving probe is moved relative to sliding sleeve along Y-coordinate axle forward direction together with U-shaped measurement arm, Y optical axis；
J4. after the completion of step J3, when measuring voltage value less than target voltage values, controller drives the first step simultaneously again
It is rotated clockwise at the same speed into motor and second stepper motor, shortens the belt close to the first stepping motor side, and close to second
The belt at stepper motor end extends, and driving probe is moved together with U-shaped measurement arm, Y optical axis along X-coordinate axle negative sense, until probe is surveyed
When the voltage value of amount is equal to target voltage values, controller stops the first stepper motor and second stepper motor rotation, and drives rudder
Machine gets pen on paper ready；
J5. step J3, J4 is sequentially repeated several times, until probe is in second to limit or the negative semiaxis of X-coordinate axle；
If J6. probe 15 is located at the negative semiaxis of X-coordinate axle or the second quadrant, when measuring voltage value greater than target voltage values,
Controller drives the first stepper motor and second stepper motor to rotate half of pulse period counterclockwise at the same speed simultaneously again, makes close to the
The belt at one stepper motor end extends, and shortens close to the belt at second stepper motor end, drives probe together with U-shaped measurement arm, Y
Optical axis is moved along X-coordinate axle forward direction；
J7. after the completion of step J6, when measuring voltage value less than target voltage values, controller drives the first stepping simultaneously
Motor is rotated clockwise to be rotated counterclockwise with second stepper motor, and belt is made to pull belt clamp, drives probe together with U-shaped measurement
Arm, Y optical axis are moved relative to sliding sleeve along Y-coordinate axle forward direction, until when the voltage value of probe measurement is equal to target voltage values, controller
Stop the first stepper motor and second stepper motor rotation, and steering engine is driven to get pen on paper ready；
J8. step J6, J7 is sequentially repeated several times, until probe is in first to limit or Y-coordinate axle positive axis；
If J9. probe is located at Y-coordinate axle positive axis or first quartile, when measuring voltage value greater than target voltage values, control
Device processed drives the first stepper motor to rotate counterclockwise simultaneously again and rotates clockwise half of pulse period with second stepper motor, makes skin
With the cunning roller pulled on Y optical axis, driving probe is moved relative to sliding sleeve along Y-coordinate axle negative sense together with U-shaped measurement arm, Y optical axis；
J10. after the completion of step J9, when measuring voltage value less than target voltage values, controller drives the first step simultaneously
It is rotated counterclockwise at the same speed into motor and second stepper motor, extends the belt close to the first stepping motor side, and close to second
The belt at stepper motor end shortens, and driving probe is moved together with U-shaped measurement arm, Y optical axis along X-coordinate axle forward direction, until probe is surveyed
When the voltage value of amount is equal to target voltage values, controller stops the first stepper motor and second stepper motor rotation, and drives rudder
Machine gets pen on paper ready；
J11. step J9, J10 is sequentially repeated several times, until probe is in four-way limit or X-coordinate axle positive axis；
If J12. probe is located at X-coordinate axle positive axis or fourth quadrant, when measuring voltage value greater than target voltage values, control
Device processed drives the first stepper motor and second stepper motor to rotate clockwise half of pulse period at the same speed simultaneously again, makes close to first
The belt at stepper motor end shortens, and extends close to the belt at second stepper motor end, drives probe together with U-shaped measurement arm, Y light
Axis is moved along X-coordinate axle negative sense；
J13. after the completion of step J12, when measuring voltage value less than target voltage values, controller driving first simultaneously again
Stepper motor rotates counterclockwise and second stepper motor rotates clockwise half of pulse period, and belt is made to pull the cunning on Y optical axis
Roller, driving probe are moved relative to sliding sleeve along Y-coordinate axle negative sense together with U-shaped measurement arm, Y optical axis, until the voltage value of probe measurement
When equal to target voltage values, controller stops the first stepper motor and second stepper motor rotation, and steering engine is driven to make pen in paper
On get ready；
J14. step J12, J13 is sequentially repeated several times, until probe is in third to limit or the negative semiaxis of Y-coordinate axle.
Further, by the electric field method for drafting of automatic electrostatic field above-mentioned drawing apparatus, including focusing electrode with it is parallel
Electrode method for drafting；Its step are as follows:
F1. the positive terminal for being electrically connected electrode sink and negative terminal of focusing electrode or parallel pole are used and is led to
Electricity, in the built-in vertical electric field of electrode sink, using two middle lines of electrode sink as X-coordinate axle and Y-coordinate axle, X-coordinate axle is parallel
In X-ray axis, Y-coordinate axle is parallel to Y optical axis, using electrode sink center as origin, make entire electric field be located at the third of reference axis as
Limit and fourth quadrant, electric field electromotive force are in reduced trend along X-axis positive direction, and equipotential lines is distributed in Y direction；
F2. before system starting, target voltage is inputted by target voltage input circuit, electrode sink is contacted by probe and is surveyed
Voltage is measured, probe is made to be located at coordinate axis origin, while controller is according to half of pulse period of clock frequency set, and in register
Define set distance；
F3. after probe collection is to voltage, controller drives the first stepper motor to rotate counterclockwise and second step simultaneously again
Half of pulse period is rotated clockwise into motor, belt is made to pull the cunning roller on Y optical axis, drives probe together with U-shaped measurement arm, Y
Optical axis is moved relative to sliding sleeve along Y-coordinate axle negative sense；
When measuring voltage value less than target voltage values, controller drives the first stepper motor and the second stepping electricity simultaneously again
Machine rotates clockwise at the same speed, shortens the belt close to the first stepping motor side, and the belt close to second stepper motor end prolongs
Long, driving probe is moved together with U-shaped measurement arm, Y optical axis along X-coordinate axle negative sense, until the voltage value of probe measurement is equal to target
When voltage value, controller stops the first stepper motor and second stepper motor rotation, and steering engine is driven to get pen on paper ready；
When the voltage detected is greater than target voltage, controller drives the first stepper motor and second stepper motor simultaneously
Synchronized rotation counterclockwise extends the belt close to the first stepping motor side, and shortens close to the belt at second stepper motor end,
Driving probe is moved together with U-shaped measurement arm, Y optical axis along X-coordinate axle forward direction, until the voltage value of probe measurement is equal to target voltage
When value, controller stops the first stepper motor and second stepper motor rotation, and steering engine is driven to get pen on paper ready；
F4. be sequentially repeated step F3 several times, until probe to the mobile distance of the negative semiaxis of Y-axis be equal to setting away from
From.
Compared with prior art, the invention has the following beneficial effects:
1. the present invention uses single chip machine controlling circuit, automation is realized, using the potential in probe measurement electric field, is utilized
Voltage acquisition module collection voltages compare the voltage of acquisition and the difference of setting voltage using single-chip microcontroller, anti-by process control
Feedback adjusts the first stepper motor and second stepper motor forwards and reverses, and makes probe is synchronous with pen to move in electric field, finally
Using single-chip microcontroller control steering engine, when the voltage of probe collection is equal to setting voltage, driving pen is got ready on paper, and it is difficult to reduce experiment
Degree.
2. the present invention is using the sliding bar mechanism for intersecting sliding, by belt around the crossover node between slide bar end and slide bar
Mode, drive probe and pen to do curvilinear motion on paper, the needs described suitable for electric field.
3. the present invention uses single-chip microcontroller automatic reading, the accuracy of experiment is improved.
Detailed description of the invention
It, below will be to required in embodiment or description of the prior art in order to illustrate more clearly of technical solution of the present invention
The attached drawing used is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, right
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Its attached drawing.
Fig. 1 is the half-sectional top view of automatic electrostatic field of the present invention drawing apparatus；
Fig. 2 is the facing structure figure of automatic electrostatic field of the present invention drawing apparatus；
Fig. 3 is main circuit diagram of the invention；
Fig. 4 is the main program operational flow diagram of automatic electrostatic field of the present invention drawing apparatus；
Fig. 5 is that the timer interruption of automatic electrostatic field of the present invention drawing apparatus handles function operation flow chart；
Fig. 6 is the serial ports interrupt processing function operation flow chart of automatic electrostatic field of the present invention drawing apparatus；
Fig. 7 is that the external interrupt of automatic electrostatic field of the present invention drawing apparatus handles function operation flow chart；
Fig. 8 is distribution map of the long straight coaxial electrode of the present invention in space potential；
Fig. 9 is distribution map of the focusing electrode of the present invention in space potential；
Figure 10 is distribution map of the parallel pole of the present invention in space potential.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art without creative labor it is obtained it is all its
His embodiment, shall fall within the protection scope of the present invention.
Automatic electrostatic field provided by the invention drawing apparatus, as shown in Figs. 1-2, including cross sliding bar mechanism, the cross are sliding
Linkage includes the X-ray axis 3.1 and Y optical axis 3.2 for crossing through sliding sleeve 16, sets that there are two be mutually isolated and vertical in sliding sleeve 16
Channel, 3.1 both ends of X-ray axis are fixed, and Y optical axis 3.2 is configured to pass through 16 sliding extension of sliding sleeve, energy perpendicular to X-ray axis 3.1
It is slided with sliding sleeve 16 along X-ray axis 3.1, sliding sleeve 16 is fixed on clamping plate 8, and clamping plate 8 is parallel to 3.2 institute of X-ray axis 3.1 and Y optical axis
Horizontal layout, 8 four jiaos of clamping plate are also equipped at least four pulley 17.1, and sliding roller 17.2 is installed on 3.1 both ends of X-ray axis and Y light
One end of axis 3.2, one end of Y optical axis 3.2 are equipped with the belt clamp 5 of fixed belt 4, sliding roller 17.2 and 4 CONTACT WITH FRICTION of belt, institute
It states belt and successively bypasses four pulleys 17.1 and the three sliding connection of rollers 17.2 belt clamps 5,3.1 both ends of X-ray axis are also equipped with driving
The first stepper motor 1.1 and second stepper motor 1.2 that sliding roller 17.2 rotates, it is clockwise along sliding roller 17.2 for drive belt 4
Or rotate counterclockwise, scheme the both ends of Y optical axis 3.2, along the sliding of X-ray axis 3.1 or opposite 16 stretching motion of sliding sleeve, such as with sliding sleeve 16
1, two Y optical axises 3.2 and two X-ray axis 3.1 are equipped with, X-ray axis 3.1 and 3.2 both ends of Y optical axis are separately connected fixed plate 2, fixed plate
First stepper motor 1.1 or second stepper motor 1.2 or belt clamp 5 or bearing (setting) plate 10, bearing (setting) plate 10 are installed on 2
For solid fixed sliding roller 17.2, the first stepper motor 1.1 connects sliding roller 17.2 with 1.2 shaft end of second stepper motor,
Such as Fig. 2, the arm beam 11.3 that U-shaped measures arm 11 connects the fixed plate 2 of wherein one end of Y optical axis 3.2, pen 14 and probe
15 are separately fixed at the end of the upper arm 11.1 of U-shaped measurement arm and lower arm 11.2.
Its 11.1 end of upper arm is further fixed on steering engine 12, fixed frame 13 and pen 14, and the pen 14 and the probe 15 are same
Axis, steering engine 12 is mounted on 11.1 end of upper arm, for driving pen 14 to do crawl movement, is used for holding paper in the arranged beneath of pen 14
Top plate 34, in 15 arranged beneath electrode sink 31 of probe, positive terminal 32, the negative terminal 27 of the electrode sink 31
It is connect by conducting wire with DC power supply positive and negative anodes, the electrode sink 31 and top plate 34 are sequentially installed on lifting platform 30.
Such as Fig. 2, a kind of electrostatic field drafting control system, including voltage acquisition module 41, controller 42, the first stepper motor
1.1, second stepper motor 1.2, steering engine 12, target voltage input circuit 45, reset circuit 46, display module 47, electrode selection
Circuit 48, first stepper motor 1.1 and second stepper motor 1.2 are equipped with stepper motor and rotate clockwise drive module 43
Rotate counterclockwise drive module 44 with stepper motor, the controller 42 respectively with voltage acquisition module 41, stepper motor up time
Needle rotate driving module 43 and stepper motor rotate counterclockwise drive module 44, steering engine 12, target voltage input circuit 45, reset
Circuit 46, display module 47, the connection of 48 signal of electrode selecting circuit；
Such as Fig. 3, the controller 42 is by single-chip microcontroller STM32F401RE chip, reset circuit, high frequency clock circuit and low frequency
Clock circuit composition；STM32F401RE chip, that is, the MCULQFP64, STM32F4 series share 14 timers, by fixed
When device comparison clock frequency set half of pulse period, the high frequency clock circuit by 8MHZ crystal-vibration-chip X1, the second capacitor C2 and
Third capacitor C3 composition, the single-chip microcontroller STM32F401RE chip PH0 pin connect the 8MHz crystal-vibration-chip X1 with PH1 pin
Both ends pin；Described one end second capacitor C2 connects described one end 8MHz crystal-vibration-chip X1 pin, other end ground connection；The third
The one end capacitor C3 connects the other end pin of the 8MHz crystal-vibration-chip X1, other end ground connection.The low-frequency clock circuit by
32.768KHZ crystal-vibration-chip X2, the 4th capacitor C4 and the 5th capacitor C5 composition, the STM32F401RE chip PC14 pin and
PC15 pin is separately connected No. 1 foot and No. 4 feet of the 32.768KHZ crystal-vibration-chip X2；Described 4th one end capacitor C4 connects institute
State No. 1 pin of 32.768KHZ crystal-vibration-chip X2, other end ground connection；It is brilliant that described 5th one end capacitor C5 connects the 32.768KHZ
No. 4 pins of vibration piece X2, other end ground connection.The reset circuit 46 is made of reset button K5 and first capacitor C1；It is described multiple
Position button K5 and first capacitor C1 are in parallel, and one end ground connection, the other end connects the NRST pin of the STM32F401RE chip.Institute
It states target voltage input circuit 45 to be made of increase target voltage selection key K1, reduction target voltage selection key K2, the increase
The one end target voltage selection key K1 connects the PC0 pin of the STM32F401RE chip, the reduction target voltage selection key K2
One end connects the PC1 pin of the STM32F401RE chip, the increase target voltage selection key K1, reduces target voltage choosing
The other end for selecting key K2 is grounded.
Specifically, the display module 42 is made of LCD12864, the LCD12864BLA pin, RST pin and VDD
Pin connects 3.3V power supply, BLK pin and VSS pin ground connection, the PB1 pin of the STM32F401RE chip, PB15 pin,
PB14 pin and PB13 pin be separately connected the PSB pin of the LCD12864, SCLK (E) pin, SID or R/W pin, CS or
RS and pin.
Specifically, first resistor R1 and resistance that the voltage acquisition module 41 is 40K by ADS1115 chip and resistance value size
It is worth the second resistance R2 that size is 10K to form, the first resistor R1 and second resistance R2 series connection, the first resistor R1 are another
End connects the probe 15, the second resistance R2 other end ground connection, and the first resistor R1 and second resistance R2 series connection end connect
The A0 pin of the ADS1115 chip is connect, the VCC pin of the ADS1115 chip connects 3.3V power supply, and GND pin is grounded,
SCL pin and SDA pin are separately connected the PA13 pin and PA14 pin of the STM32F401RE chip.
The PC9 pin of the STM32F401RE chip connects the signal pins of the steering engine 12, the STM32F401RE
PA9 pin, PB10 pin, PB4 pin, PA11 pin and the PA10 pin of chip are separately connected switch button 20 and the step
The DIR pin, STP pin and stepper motor for rotating clockwise drive module 43 into motor rotate counterclockwise drive module 44
The PC13 pin of DIR pin, STP pin, single-chip microcontroller STM32F401RE connects run indicator.Single-chip microcontroller STM32F401RE's
PC2 and PC3 pin is connect with electrode select button K3 and K4 respectively.
The automatic electrostatic field drawing apparatus further comprises rectangle shell 18, is equipped in the rectangle shell 18
Cross sliding bar mechanism, controller 42, display module 47, target voltage input circuit 45 and voltage acquisition module 41, the length
The external side installation display screen 19 of square casing 18, reset button K5, ACK button 26, increases target electricity at switch button 20
It presses selection key K1, reduce target voltage selection key K2, electrode selection key K4 and electrode selection key K3.
The control of circuit can be achieved using single-chip microcontroller and various programmable chips by the present invention, carry out Automatic-searching potential
Point forms System of voltage acquisition, Lai Shixian automatic reading using various voltage checking chips and different resistance.In Automatic-searching electricity
While gesture point, instrument display screen comes out the potential real-time display where probe, reduces by the incorrect institute of number reading method
Caused experimental error.When the potential where probe is equal with target potential, automatically dotting, and then potential between electrode will be depicted
Distribution in space.
Specific process is as follows, with injecting a certain amount of water (water cannot not have electrode) in electrode sink 31, places
On lifting platform 30, by the screw 29 on rotary elevating platform, contact the water surface with probe 15；Circuit is connected, is pressed by switch
Button 20, display screen 19 show Different electrodes title, select to be input to electrode water by electrode selection key K4, electrode selection key K3
Electrode type in slot 31 will be described selected by target voltage selection key K2 selection by increasing target voltage selection key K1, reducing
Potential lines target voltage, by ACK button 26, entire drawing apparatus is started to work；The ADS1115 core of voltage acquisition module 41
Piece constantly sends probe 15 and the voltage where 31 contact position of electrode sink to single-chip microcontroller STM32F401RE, carry out with
Target voltage is compared, and to judge the rotation direction of the first stepper motor 1.1 and the first stepper motor 1.2, drives belt 4
U-shaped measurement arm 11 is slided with Y optical axis 3.2 along X-ray axis 3.1, or opposite sliding sleeve 16 is flexible, and then probe 15 will be driven mobile, and
And voltage is shown by display screen 19；The voltage measured by the probe 15 is single in the permitted range of target voltage
Piece machine STM32F401RE control steering engine 12 is got ready.After the potential lines of selected target voltage are described, by reset button
K5, drawing apparatus are returned to original state, then select another target voltage, are described, until depicting electrode in space
Potential Distributing, as seen in figs. 8-10, Fig. 8 is distribution map of the long straight coaxial electrode in space potential to specific embodiment, and Fig. 9 is to focus
Distribution map of the electrode in space potential；Figure 10 is distribution map of the parallel pole in space potential.
Long straight coaxial electrode method for drafting, comprising the following steps:
J1. the positive terminal 32 for being electrically connected electrode sink 31 for growing straight coaxial electrode and negative terminal 27 are used and is led to
Electricity establishes circular electric field in electrode sink 31, and using two middle lines of electrode sink 31 as X-coordinate axle and Y-coordinate axle, X is sat
Parameter is parallel to X-ray axis 3.1, and Y-coordinate axle is parallel to Y optical axis 3.2, using 31 center of electrode sink as origin, circular electric field with
Origin is the center of circle, and electromotive force is radially in the trend of increase, and entire circular electric field is divided into four fans by X-coordinate axle and Y-coordinate axle
Shape region, first quartile, the second quadrant, third quadrant and the fourth quadrant being respectively in reference axis；
J2. before system starting, target voltage is inputted by target voltage input circuit 45, electrode water is contacted by probe 15
Slot 31 measures voltage, while probe 15 being made to be located at the positive axis of X-coordinate axle or the positive axis or negative half of negative semiaxis or Y-coordinate axle
On axis, while controller is according to half of pulse period of clock frequency set；
If J3. probe 15 is located at the negative semiaxis of Y-coordinate axle or third quadrant, when measuring voltage value greater than target voltage values,
Controller 42 drives the first stepper motor 1.1 to rotate clockwise and half of the pulse of rotation counterclockwise of second stepper motor 1.2 simultaneously
Period makes belt 4 pull belt clamp 5, and driving probe 15 is together with U-shaped measurement arm 11, Y optical axis 3.2 with respect to sliding sleeve 16 along Y-coordinate axle
Forward direction is mobile；
J4. after the completion of step J3, when measuring voltage value less than target voltage values, the driving first simultaneously again of controller 42
Stepper motor 1.1 and second stepper motor 1.2 rotate clockwise at the same speed, and the belt 4 close to 1.1 end of the first stepper motor is made to contract
It is short, and extend close to the belt 4 at second stepper motor end 1.2, driving probe 15 is sat together with U-shaped measurement arm 11, Y optical axis 3.2 along X
Parameter negative sense is mobile, until controller 42 stops the first stepper motor when the voltage value that probe 15 measures is equal to target voltage values
1.1 and second stepper motor 1.2 rotate, and steering engine 12 is driven to get pen 14 on paper ready；
J5. step J3, J4 is sequentially repeated several times, until probe 15 is in second to limit or the negative semiaxis of X-coordinate axle；
If J6. probe 15 is located at the negative semiaxis of X-coordinate axle or the second quadrant, when measuring voltage value greater than target voltage values,
Controller 42 drives the first stepper motor 1.1 and synchronized half of the pulse period of rotation counterclockwise of second stepper motor 1.2 simultaneously again,
The belt 4 close to 1.1 end of the first stepper motor is extended, and is shortened close to the belt 4 at second stepper motor end 1.2, driving is visited
Needle 15 is moved together with U-shaped measurement arm 11, Y optical axis 3.2 along X-coordinate axle forward direction；
J7. after the completion of step J6, when measuring voltage value less than target voltage values, controller 42 drives the first step simultaneously
It rotates clockwise into motor 1.1 and is rotated counterclockwise with second stepper motor 1.2, belt 4 is made to pull belt clamp 5, drive probe 15
It is moved relative to sliding sleeve 16 along Y-coordinate axle forward direction together with U-shaped measurement arm 11, Y optical axis 3.2, until the voltage value etc. that probe 15 measures
When target voltage values, controller 42 stops the first stepper motor 1.1 and second stepper motor 1.2 rotates, and drives steering engine 12
Get pen 14 on paper ready；
J8. step J6, J7 is sequentially repeated several times, until probe 15 is in first to limit or Y-coordinate axle positive axis；
If J9. probe 15 is located at Y-coordinate axle positive axis or first quartile, when measuring voltage value greater than target voltage values,
Rotation and second stepper motor 1.2 rotate clockwise half of arteries and veins to the first stepper motor of driving 1.1 to controller 42 counterclockwise simultaneously again
The period is rushed, belt 4 is made to pull the cunning roller 17.2 on Y optical axis 3.2, driving probe 15 is opposite together with U-shaped measurement arm 11, Y optical axis 3.2
Sliding sleeve 16 is moved along Y-coordinate axle negative sense；
J10. after the completion of step J9, when measuring voltage value less than target voltage values, controller 42 drives first simultaneously
Stepper motor 1.1 and the synchronized rotation counterclockwise of second stepper motor 1.2, stretch the belt 4 close to 1.1 end of the first stepper motor
It is long, and shorten close to the belt 4 at second stepper motor end 1.2, driving probe 15 is sat together with U-shaped measurement arm 11, Y optical axis 3.2 along X
Parameter forward direction is mobile, until controller 42 stops the first stepper motor when the voltage value that probe 15 measures is equal to target voltage values
1.1 and second stepper motor 1.2 rotate, and steering engine 12 is driven to get pen 14 on paper ready；
J11. step J9, J10 is sequentially repeated several times, until probe 15 is in four-way limit or X-coordinate axle positive axis；
If J12. probe 15 is located at X-coordinate axle positive axis or fourth quadrant, when measuring voltage value greater than target voltage values,
Controller 42 drives the first stepper motor 1.1 and second stepper motor 1.2 to rotate clockwise half of pulse period at the same speed simultaneously again,
Shorten the belt 4 close to 1.1 end of the first stepper motor, and extend close to the belt 4 at second stepper motor end 1.2, driving is visited
Needle 15 is moved together with U-shaped measurement arm 11, Y optical axis 3.2 along X-coordinate axle negative sense；
J13. after the completion of step J12, when measuring voltage value and being less than target voltage values, the driving the simultaneously again of controller 42
Rotation and second stepper motor 1.2 rotate clockwise half of pulse period to one stepper motor 1.1 counterclockwise, and belt 4 is made to pull Y light
Cunning roller 17.2 on axis 3.2, driving probe 15 are moved with respect to sliding sleeve 16 along Y-coordinate axle negative sense together with U-shaped measurement arm 11, Y optical axis 3.2
It is dynamic, until controller 42 stops the first stepper motor 1.1 and second step when the voltage value that probe 15 measures is equal to target voltage values
It is rotated into motor 1.2, and steering engine 12 is driven to get pen 14 on paper ready；
J14. step J12, J13 is sequentially repeated several times, until probe 15 is in third to limit or Y-coordinate axle negative half
Axis；
Focusing electrode and parallel pole method for drafting, comprising the following steps:
F1. using focusing electrode or the positive terminal 32 for being electrically connected electrode sink 31 and negative terminal of parallel pole
It 27 and is powered, electric field is established in electrode sink 31, using two middle lines of electrode sink 31 as X-coordinate axle and Y-coordinate axle, X
Reference axis is parallel to X-ray axis 3.1, and Y-coordinate axle is parallel to Y optical axis 3.2, using 31 center of electrode sink as origin, makes entire electric field
Positioned at the third quadrant and fourth quadrant of reference axis, electric field electromotive force is in reduced trend along X-axis positive direction, in Y direction
Equipotential lines is distributed with；
F2. before system starting, target voltage is inputted by target voltage input circuit 45, electrode water is contacted by probe 15
Slot 31 measures voltage, then probe 15 is made to be located at coordinate axis origin, while controller is according to half of pulse period of clock frequency set, and
Set distance is defined in register；
F3. after probe 15 collects voltage, controller 42 again simultaneously the first stepper motor 1.1 of driving counterclockwise rotation and
Second stepper motor 1.2 rotates clockwise half of pulse period, and belt 4 is made to pull the cunning roller 17.2 on Y optical axis 3.2, and driving is visited
Needle 15 is moved relative to sliding sleeve 16 along Y-coordinate axle negative sense together with U-shaped measurement arm 11, Y optical axis 3.2；
When measuring voltage value less than target voltage values, controller 42 drives the first stepper motor 1.1 and second simultaneously again
Stepper motor 1.2 rotates clockwise at the same speed, shortens the belt 4 close to 1.1 end of the first stepper motor, and close to the second stepping electricity
The belt 4 of generator terminal 1.2 extends, and driving probe 15 is moved together with U-shaped measurement arm 11, Y optical axis 3.2 along X-coordinate axle negative sense, until visiting
When the voltage value that needle 15 measures is equal to target voltage values, controller 42 stops the first stepper motor 1.1 and second stepper motor 1.2
Rotation, and steering engine 12 is driven to get pen 14 on paper ready；
When the voltage detected is greater than target voltage, controller 42 drives the first stepper motor 1.1 and second step simultaneously
Into the synchronized rotation counterclockwise of motor 1.2, extend the belt 4 close to 1.1 end of the first stepper motor, and close to second stepper motor
The belt 4 at end 1.2 shortens, and driving probe 15 is moved together with U-shaped measurement arm 11, Y optical axis 3.2 along X-coordinate axle forward direction, until probe
When the voltage value of 15 measurements is equal to target voltage values, controller 42 stops the first stepper motor 1.1 and 1.2 turns of second stepper motor
It is dynamic, and steering engine 12 is driven to get pen 14 on paper ready；
F4 is sequentially repeated step F3 several times, until probe 15 is equal to set distance to the mobile distance of the negative semiaxis of Y-axis；
The above is a preferred embodiment of the present invention, cannot limit the right model of the present invention with this certainly
It encloses, it is noted that for those skilled in the art, without departing from the principle of the present invention, may be used also
To make several improvement and variation, these, which improve and change, is also considered as protection scope of the present invention.
Claims (9)
1. automatic electrostatic field drawing apparatus characterized by comprising
Probe, probe are used to contact with the manipulation of electrode sink, acquire the voltage value of contact point, and after voltage acquisition module improves
Voltage value is transferred to controller；
Pen, installation is contacted by servo driving with paper manipulation in steering engine, for describing electrostatic field figure, the steering engine electrical connection
Controller manipulates crawl by controller；
Electrode sink and paper are fixed on the different layers of lifting platform jointly, and are located at below probe and steering engine；
Steering engine and probe press different height respectively, and coaxial line is fixed on cantilever one end, and the one of the cantilever other end and Y optical axis
End is fixedly connected, and X-ray axis is each passed through the through-hole being mutually isolated in sliding sleeve, the X-ray axis and Y perpendicular to Y optical axis, with Y optical axis
Optical axis is slidably connected with sliding sleeve, and the horizontal layout where clamping plate is parallel to X-ray axis and Y optical axis is connect with sliding sleeve, and clamping plate quadrangle is each
It is vertically installed with rotatable pulley, X-ray axis both ends are fixed, and X-ray axis both ends and Y optical axis are separately connected close to one end of cantilever
The fixed plate of sliding roller is installed, Y optical axis is connected and installed with the fixed plate of belt clamp far from one end of cantilever, a root skin band successively around
Four pulleys and three sliding rollers are crossed, clamp the both ends of belt by belt clamp, the cunning roller difference at the X-ray axis both ends
It is rotated by the first stepper motor and second stepper motor driving, is equipped with step in first stepper motor and second stepper motor
Rotate clockwise drive module into motor and stepper motor rotate counterclockwise drive module, for make first stepper motor and
Second stepper motor can rotate clockwise, rotates counterclockwise and stop, the stepper motor rotate clockwise drive module and
Stepper motor rotates counterclockwise drive module signal and connects the controller；
The controller at least goes back signal linking objective voltage input circuit, electrode selecting circuit, display module, high frequency clock electricity
Road, low-frequency clock circuit are respectively used to setting target voltage, electric field methods are drawn in setting, are shown the voltage of probe collection and deposited
Storage.
2. automatic electrostatic field according to claim 1 drawing apparatus, which is characterized in that the controller also signal connection is multiple
Position circuit, ACK button, switch button, distance input circuit.
3. automatic electrostatic field according to claim 1 drawing apparatus, which is characterized in that the target voltage input circuit by
Increase target voltage selection key K1, reduce target voltage selection key K2 composition, increase target voltage one end selection key K1 letter
Number connection controller, reductions target voltage selection key K2 one end connection signal connection controller, the increase
Target voltage selection key K1, the other end for reducing target voltage selection key K2 are grounded.
4. automatic electrostatic field according to claim 1 drawing apparatus, which is characterized in that the voltage acquisition module by
ADS1115 chip and first resistor R1, second resistance R2 composition, the first resistor R1 and second resistance R2 series connection, described the
The one resistance R1 other end connects the probe, the second resistance R2 other end ground connection, the first resistor R1 and second resistance
R2 series connection end connects the A0 pin of the ADS1115 chip, and the VCC pin of the ADS1115 chip connects 3.3V power supply, GND
Pin ground connection, SCL pin and SDA pin are connected separately the controller.
5. automatic electrostatic field according to claim 1 drawing apparatus, which is characterized in that the electrode selecting circuit is by electrode
Select button K3 and K4 composition.
6. automatic electrostatic field according to claim 1 drawing apparatus, which is characterized in that the reset circuit is by reset button
K3 and first capacitor C1 composition；The reset button K3 and first capacitor C1 are in parallel, and one end ground connection, the other end connects the control
Device.
7. automatic electrostatic field according to claim 1 drawing apparatus, which is characterized in that the cantilever is U-shaped measurement arm, packet
The upper arm, lower arm and the arm beam for connecting upper and lower arms of layered arrangement parallel to each other are included, the steering engine is fixed on the end of upper arm,
The probe is fixed on the end of lower arm.
8. the electric field method for drafting of automatic electrostatic field drawing apparatus according to claims 1 to 7, which is characterized in that including
Long straight coaxial electrode method for drafting；The straight coaxial electrode method for drafting of length, its step are as follows:
J1. the positive terminal for being electrically connected electrode sink for growing straight coaxial electrode and negative terminal are used and is powered, in electrode
Circular electric field is established in sink, using two middle lines of electrode sink as X-coordinate axle and Y-coordinate axle, X-coordinate axle is parallel to X-ray
Axis, Y-coordinate axle are parallel to Y optical axis, and using electrode sink center as origin, circular electric field is using origin as the center of circle, and electromotive force is along diameter
To in the trend increased, entire circular electric field is divided into four fan-shaped regions by X-coordinate axle and Y-coordinate axle, is respectively at reference axis
On first quartile, the second quadrant, third quadrant and fourth quadrant；
J2. before system starting, target voltage is inputted by target voltage input circuit, electrode sink measurement electricity is contacted by probe
Pressure, while it is located at probe in the positive axis of X-coordinate axle or the positive axis or negative semiaxis of negative semiaxis or Y-coordinate axle, it controls simultaneously
Device is according to half of pulse period of clock frequency set；
If J3. probe is located at the negative semiaxis of Y-coordinate axle or third quadrant, when measuring voltage value greater than target voltage values, controller
It drives the first stepper motor to rotate clockwise simultaneously and rotates half of pulse period counterclockwise with second stepper motor, pull belt
Belt clamp, driving probe are moved relative to sliding sleeve along Y-coordinate axle forward direction together with U-shaped measurement arm, Y optical axis；
J4. after the completion of step J3, when measuring voltage value less than target voltage values, controller drives the first stepping electricity simultaneously again
Machine and second stepper motor rotate clockwise at the same speed, shorten the belt close to the first stepping motor side, and close to the second stepping
The belt of motor side extends, and driving probe is moved together with U-shaped measurement arm, Y optical axis along X-coordinate axle negative sense, until probe measurement
When voltage value is equal to target voltage values, controller stops the first stepper motor and second stepper motor rotation, and steering engine is driven to make
Pen is got ready on paper；
J5. step J3, J4 is sequentially repeated several times, until probe is in second to limit or the negative semiaxis of X-coordinate axle；
If J6. probe 15 is located at the negative semiaxis of X-coordinate axle or the second quadrant, when measuring voltage value greater than target voltage values, control
Device drives the first stepper motor and second stepper motor to rotate half of pulse period counterclockwise at the same speed simultaneously again, makes close to the first step
Belt into motor side extends, and shortens close to the belt at second stepper motor end, drives probe together with U-shaped measurement arm, Y optical axis
It is moved along X-coordinate axle forward direction；
J7. after the completion of step J6, when measuring voltage value less than target voltage values, controller drives the first stepper motor simultaneously
It rotates clockwise and is rotated counterclockwise with second stepper motor, belt is made to pull belt clamp, drive probe together with U-shaped measurement arm, Y light
Axis is moved relative to sliding sleeve along Y-coordinate axle forward direction, until controller stops the when the voltage value of probe measurement is equal to target voltage values
One stepper motor and second stepper motor rotation, and steering engine is driven to get pen on paper ready；
J8. step J6, J7 is sequentially repeated several times, until probe is in first to limit or Y-coordinate axle positive axis；
If J9. probe is located at Y-coordinate axle positive axis or first quartile, when measuring voltage value greater than target voltage values, controller
It drives the first stepper motor to rotate counterclockwise simultaneously again and rotates clockwise half of pulse period with second stepper motor, draw belt
Cunning roller on dynamic Y optical axis, driving probe are moved relative to sliding sleeve along Y-coordinate axle negative sense together with U-shaped measurement arm, Y optical axis；
J10. after the completion of step J9, when measuring voltage value less than target voltage values, controller drives the first stepping electricity simultaneously
Machine and second stepper motor rotate counterclockwise at the same speed, extend the belt close to the first stepping motor side, and close to the second stepping
The belt of motor side shortens, and driving probe is moved together with U-shaped measurement arm, Y optical axis along X-coordinate axle forward direction, until probe measurement
When voltage value is equal to target voltage values, controller stops the first stepper motor and second stepper motor rotation, and steering engine is driven to make
Pen is got ready on paper；
J11. step J9, J10 is sequentially repeated several times, until probe is in four-way limit or X-coordinate axle positive axis；
If J12. probe is located at X-coordinate axle positive axis or fourth quadrant, when measuring voltage value greater than target voltage values, controller
It drives the first stepper motor and second stepper motor to rotate clockwise half of pulse period at the same speed simultaneously again, makes close to the first stepping
The belt of motor side shortens, and extends close to the belt at second stepper motor end, drives probe together with U-shaped measurement arm, Y optical axis edge
X-coordinate axle negative sense is mobile；
J13. after the completion of step J12, when measuring voltage value less than target voltage values, controller drives the first stepping simultaneously again
Motor rotates counterclockwise and second stepper motor rotates clockwise half of pulse period, and belt is made to pull the cunning roller on Y optical axis, drives
Dynamic probe is moved relative to sliding sleeve along Y-coordinate axle negative sense together with U-shaped measurement arm, Y optical axis, until the voltage value of probe measurement is equal to mesh
When marking voltage value, controller stops the first stepper motor and second stepper motor rotation, and steering engine is driven to get pen on paper ready；
J14. step J12, J13 is sequentially repeated several times, until probe is in third to limit or the negative semiaxis of Y-coordinate axle.
9. the electric field method for drafting of automatic electrostatic field drawing apparatus according to claims 1 to 7, which is characterized in that including
Focusing electrode and parallel pole method for drafting；Its step are as follows:
F1. the positive terminal for being electrically connected electrode sink and negative terminal of focusing electrode or parallel pole are used and is powered,
In the built-in vertical electric field of electrode sink, using two middle lines of electrode sink as X-coordinate axle and Y-coordinate axle, X-coordinate axle is parallel to X
Optical axis, Y-coordinate axle are parallel to Y optical axis, using electrode sink center as origin, make entire electric field be located at reference axis third quadrant and
Fourth quadrant, electric field electromotive force are in reduced trend along X-axis positive direction, and equipotential lines is distributed in Y direction；
F2. before system starting, target voltage is inputted by target voltage input circuit, electrode sink measurement electricity is contacted by probe
Pressure, then probe is made to be located at coordinate axis origin, while controller is according to half of pulse period of clock frequency set, and default in register
Adopted set distance；
F3. after probe collection is to voltage, controller drives that the first stepper motor rotate counterclockwise and the second stepping is electric simultaneously again
Machine rotates clockwise half of pulse period, and belt is made to pull the cunning roller on Y optical axis, drives probe together with U-shaped measurement arm, Y optical axis
It is moved relative to sliding sleeve along Y-coordinate axle negative sense；
When measuring voltage value less than target voltage values, controller drives the first stepper motor and second stepper motor same simultaneously again
Speed rotates clockwise, and shortens the belt close to the first stepping motor side, and extends close to the belt at second stepper motor end, drives
Dynamic probe is moved together with U-shaped measurement arm, Y optical axis along X-coordinate axle negative sense, until the voltage value of probe measurement is equal to target voltage values
When, controller stops the first stepper motor and second stepper motor rotation, and steering engine is driven to get pen on paper ready；
When the voltage detected is greater than target voltage, controller drives the first stepper motor and second stepper motor synchronized simultaneously
Rotation counterclockwise extends the belt close to the first stepping motor side, and shortens close to the belt at second stepper motor end, driving
Probe is moved together with U-shaped measurement arm, Y optical axis along X-coordinate axle forward direction, until the voltage value of probe measurement is equal to target voltage values
When, controller stops the first stepper motor and second stepper motor rotation, and steering engine is driven to get pen on paper ready；
F4. step F3 is sequentially repeated several times, until probe is equal to the distance of setting to the mobile distance of the negative semiaxis of Y-axis.
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| CN112389923A (en) * | 2020-10-29 | 2021-02-23 | 兰剑智能科技股份有限公司 | Single-drive pallet cargo anti-loose stack clamping device |
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