CN108710091A - Input adjusting part and the solenoidal field determination experiment instrument comprising the component - Google Patents
Input adjusting part and the solenoidal field determination experiment instrument comprising the component Download PDFInfo
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Abstract
A kind of solenoidal field determination experiment instrument an embodiment of the present invention provides input adjusting part and comprising the component, input adjusting part include：Adjusting knob, photoelectric encoder, microcontroller and display screen；Wherein, adjusting knob is connect with the shaft of the photoelectric encoder, and adjusting knob can drive the shaft of photoelectric encoder to rotate synchronously；The output end of microcontroller and photoelectric encoder connects, pulse signal for being generated according to photoelectric encoder, obtain adjusting knob direction of rotation, rotation angle and rotating speed data, and by microcontroller parse and analyze after, corresponding input object is adjusted.By the input adjusting part comprising photoelectric encoder, it can be achieved that inputting the total digitalization adjusted so that input adjusts not only quickly but also accurate.Solenoidal field determination experiment instrument uses the input adjusting part, and instrument failure in service rate is made to be greatly lowered, and experimental implementation process is more convenient, succinct, to reach better using effect.
Description
Technical field
The present embodiments relate to power electronics fields, more particularly, to a kind of input adjusting part and comprising
The solenoidal field determination experiment instrument of the component.
Background technology
Hall effect is one kind of galvanomagnetic-effect, this phenomenon was American physicist Hall (E.H.Hall) in 1879
It is found when studying the conductive mechanism of metal.When electric current passes through conductor perpendicular to external magnetic field, carrier deflects, vertically
An additional electric field is will produce in the direction in electric current and magnetic field, to generate potential difference at the both ends of conductor, this phenomenon is exactly suddenly
That effect, this potential difference are also referred to as Hull voltage.Many universities are made by opening up solenoidal field determination experiment class
Learner is better understood from Hall effect, and learner is made to have more intuitive understanding to it
In solenoidal field determination experiment, the fine adjustment for carrying out experiment parameter is needed, solenoid magnet field solver
Adjusting knob use is very frequent.But it due to usually using potentiometer inside the adjusting knob of traditional experimental instrument, leads
It causes the problems such as poor contact, data are unstable often occur in experiment, seriously affects the accuracy and experiment effect of experiment.
Invention content
Overcoming the input adjusting part of the above problem and comprising the solenoid of the component an embodiment of the present invention provides a kind of
Magnetic field measuring experiment instrument.
On the one hand an embodiment of the present invention provides a kind of input adjusting part, the input adjusting part includes：Adjust rotation
Button, at least one switching key, photoelectric encoder, microcontroller and display screen；Wherein,
The adjusting knob is connect with the shaft of the photoelectric encoder, and the adjusting knob drives the photoelectricity when rotating
The shaft of encoder rotates synchronously；
At least one switching key is connect with the microcontroller, defeated for waiting for of switching that the microcontroller adjusts
Enter object；
The microcontroller is connect with the output end of the photoelectric encoder, for what is generated according to the photoelectric encoder
Pulse signal obtains direction of rotation, rotation angle and the rotary speed of the adjusting knob, and according to the direction of rotation, institute
Rotation angle and the rotary speed are stated to corresponding input object is adjusted accordingly；
The display screen is connect with the microcontroller, be used to indicate the input adjusting part adjusted it is to be entered right
As.
Further, the microcontroller is C8051F series monolithics or STC series monolithics.
Further, the display screen is 12864LCD liquid crystal displays.
On the other hand an embodiment of the present invention provides a kind of solenoidal field determination experiment instrument, the solenoid magnet field recognitions
Experiment instrument includes：Input adjusting part, exciting current output circuit, Hall sensor input circuit, Hall element and helical
Pipe；Wherein,
The input adjusting part is above-described input adjusting part；
The exciting current output circuit connects with the microcontroller inputted in adjusting part and the solenoid respectively
It connects, for the exciting current in the solenoid to be adjusted by the input adjusting part；
The Hall sensor input circuit respectively with it is described input adjusting part in microcontroller and Hall sensor
Connection, for obtaining the voltage value generated in the Hall sensor.
Further, the exciting current output circuit includes voltage controlled voltage source and voltage controlled current source；Wherein,
The voltage controlled current source includes integrated transporting discharging, field-effect tube and sampling resistor；
The voltage controlled voltage source is connect with the voltage controlled current source, the supply voltage for adjusting the voltage controlled current source,
The voltage at the field-effect tube both ends is controlled in preset value.
Further, the Hall sensor input circuit includes pressure difference clipping amplifier circuit, bias voltage adjustment
Circuit and analog to digital conversion circuit；Wherein,
The pressure difference clipping amplifier circuit respectively with the bias voltage regulator circuit, analog-digital conversion circuit as described and institute
State the output end connection of Hall sensor, the voltage for generating the Hall sensor and the bias voltage regulator circuit
After the voltage amplification to preset range of generation, it is input in analog-digital conversion circuit as described.
A kind of input adjusting part provided in an embodiment of the present invention and the solenoidal field determination experiment instrument comprising the component,
The input adjusting part is connected adjusting knob with microprocessor by photoelectric encoder, by the direction of rotation of adjusting knob,
Rotation angle and rotary speed are converted to pulse signal input microprocessor, and after parsing and analyze by microprocessor, to phase
The object to be entered answered is adjusted, while different objects to be entered can be switched by switching key.By being compiled comprising photoelectricity
The input adjusting part of code device is, it can be achieved that the total digitalization that input is adjusted so that input adjusts not only quickly but also accurate.The helical
Pipe magnetic field measuring experiment instrument includes the input adjusting part so that instrument failure in service rate is greatly lowered, experimental implementation
Process is more convenient, succinct, to reach better using effect.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of input adjusting part provided in an embodiment of the present invention；
Fig. 2 is the flow chart of INT0 interrupt routines in the embodiment of the present invention；
Fig. 3 is the flow chart of timer interrupt routine in the embodiment of the present invention；
The structural schematic diagram of Fig. 4 another input adjusting parts provided in an embodiment of the present invention；
Fig. 5 is a kind of electrical block diagram of solenoidal field determination experiment instrument provided in an embodiment of the present invention；
Fig. 6 is the electrical block diagram of voltage controlled current source in the embodiment of the present invention；
Fig. 7 is the electrical block diagram of pressure difference limiting amplifier in the embodiment of the present invention.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical solution in the embodiment of the present invention is explicitly described, it is clear that described embodiment is the present invention
A part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
The every other embodiment obtained under the premise of creative work is made, shall fall within the protection scope of the present invention.
Fig. 1 is a kind of structural schematic diagram of input adjusting part provided in an embodiment of the present invention, as shown in Figure 1, described defeated
Entering adjusting part includes：Adjusting knob 101, at least one switching key 102, photoelectric encoder 103, microcontroller 104 and aobvious
Show device 105.Wherein：
The adjusting knob 101 is connect with the shaft of the photoelectric encoder 103, the band when adjusting knob 101 rotates
The shaft for moving the photoelectric encoder 103 rotates synchronously.At least one switching key 102 connects with the microcontroller 104
It connects, the object to be entered for switching the adjusting of the microcontroller 104.The microcontroller 104 and the photoelectric encoder 103
Output end connection obtain the rotation of the adjusting knob 101 for the pulse signal that is generated according to the photoelectric encoder 103
Turn direction, rotation angle and rotary speed, and according to the direction of rotation, the rotation angle and the rotary speed to corresponding
Object to be entered be adjusted.
Wherein, it is usually that operator passes through manual rotation, direction of rotation and rotation to input adjusting knob 101 in adjusting part
Amount is determined according to actual demand.The quantity of switching key 102 can be set according to time demand in input adjusting part, but at least
Including a switching key 102, may be implemented the selection of different objects to be entered, after selecting object to be entered, operation is adjusted
Selected object to be entered can be adjusted in knob 101.The display screen 105 is connect with the microcontroller 104, is used for
Indicate the object to be entered that the input adjusting part is adjusted.
Wherein, it should be noted that according to actual demand, display screen 105 can be LED display, be switched by operating
When the object to be entered that the switching input adjusting part of button 102 is adjusted, shining for different location on LED display can be lighted
Diode, each light emitting diode corresponds to an object to be entered, then can be explicitly indicated by display screen 105
The object to be entered adjusted, that is, know which specific object to be entered input adjusting part is adjusting.Certainly, display screen
105 concrete structure is not limited to LED display, for example, adjusting information, display to obtain more rich input adjusting part
105 can be liquid crystal display.
Specifically, input adjusting part mainly realizes the adjusting for treating input object by following steps：
(1) 100 pulses of increment type/circle, the product of A, B two-phase output can be selected in photoelectric encoder 103.Microcontroller is selected to make
For microcontroller 104, it is defeated to be separately connected code device signal for the outer interrupting input INT0 (or INT1) of microcontroller and a port I/O
A, B (or B, A) phase of outlet.
(2) shaping variable COUNT is defined, an initial value x0 is determined (near or) in the intermediate value of the variable-value range.
(3) it in outer interrupt service routine, is rotated and reverse according to encoder and respectively variable COUNT is carried out adding 1 and subtract 1
Operation.
(4) it is function counter to define shaping variable W, W=0,1,2 ... represent corresponding function.
(5) 20ms Interruptions are opened, clothes are being interrupted according to the poor Δ x=x-x0 of the numerical value x of current COUNT and initial value x0
Direction and the speed of encoder rotation are determined in program of being engaged in：
Preferably, as Δ x>When 0, adjusting knob 101 rotates for positive direction, as Δ x<When 0, adjusting knob 101 is negative side
To rotation；Work as 5<∣Δx∣<When 10, adjusting knob 101 be low speed rotation , as ∣ Δ x ∣ >=10, adjusting knob 101 be high speed revolve
Turn.
(6) according to W function counter values, the quick adjusting of corresponding function control memory parameter and fine tune are executed
Section.
Preferably, it quickly adjusts：It rotates forward and adds 20, reversion subtracts 20；It fine-tunes：It rotates forward and adds 1, reversion subtracts 1.Or change cloth
That memory data, executes switching manipulation.The value by variable COUNT is needed to revert to initial value x0 after the completion of executing.
(7) in main program, according to control memory numerical value, the execution of corresponding function is completed.
Further, obtaining by 103 direction of rotation of INT0 implement of interruption function photoelectric encoder, rotation angle and rotary speed
It takes, as shown in Fig. 2, COUNT counter initial values are 100, when encoder rotates, numerical value changes.When photoelectricity rotates
Encoder positive direction rotates, and COUNT numerical value increases, and when optical rotary encoder negative direction rotates, COUNT numerical value is reduced.COUNT
Numerical value change between 0 to 200, in setting time 20ms, COUNT values deviate initial value it is remoter, presentation code device rotation get over
Soon.When COUNT counters deviate initial value and are more than 5 or 10 every time, timer interrupt service that deviation value all can be primary in 20ms
It is repaired, is returned near initial value in program, be completed at the same time corresponding regulatory function.
Further, the handoff functionality of switching key 102 is realized by timer interrupt routine, as shown in figure 3, the program is complete
At the timing scan of encoder and button, timing cycle is 20ms.The initial value of optical pulse counter COUNT is 100, according to coding
Device knob direction, COUNT values increase or reduce.
JM=0-3 is function selection interface, and monitoring programme makes COUNT values return to initial value after changing JM values between 0-3.
Confirm by after key pressing, so that program is entered the interfaces JM+4, go to complete corresponding control function.
JM=4 is bias adjustment interface, and under this interface, DAC0 is completed according to the direction of encoder knob rotation and speed
The increase and decrease of numerical value.COUNT>110 or COUNT<90 indicate that knob quick rotation, DAC0 values are readily adjusted, and adjust 20 every time；When
110>COUNT>105 or 90<COUNT<95 indicate that knob slow rotation, DAC0 values are generally fine-tuned, and change 1 every time.
JM=5 is electric current adjustment interface, and under this interface, DAC1 is completed according to the direction of encoder knob rotation and speed
The increase and decrease of numerical value.COUNT>110 or COUNT<90 indicate that knob quick rotation, DAC1 values are readily adjusted, and adjust 20 every time；When
110>COUNT>105 or 90<COUNT<95 indicate that knob slow rotation, DAC1 values are generally fine-tuned, and change 1 every time.
JM=6 is switch interface, and monitoring programme directly returns to the interfaces JM=2 after executing switch motion.
JM=7 is exciting current direction controlling interface, and monitoring programme directly returns to JM=3 circle after executing commutation action
Face.
A kind of input adjusting part provided in an embodiment of the present invention, by photoelectric encoder by adjusting knob and microprocessor
Connection, is converted to pulse signal input microprocessor, and pass through by the direction of rotation of adjusting knob, rotation angle and rotary speed
Microprocessor parse and analysis after, corresponding object to be entered is adjusted, while can be switched by switching key different
Object to be entered.By the input adjusting part comprising photoelectric encoder, it can be achieved that the total digitalization that input is adjusted so that input
It is not only quickly but also accurate to adjust.
Based on above-described embodiment, it is preferable that as shown in 104 ' in Fig. 4, the microcontroller is C8051F series monolithics
Or STC series monolithics, such as C8051F020 microcontrollers can be selected；As shown in 105 ' in Fig. 4, the display screen is
12864LCD liquid crystal displays, such as SN12864R liquid crystal displays can be selected.It should be noted that microcontroller model listed above and
Panel Type is a kind of preferred model of the embodiment of the present invention can also select other models according to demand in practice
Microcontroller and liquid crystal display.
Fig. 5 is a kind of electrical block diagram of solenoidal field determination experiment instrument provided in an embodiment of the present invention, such as Fig. 5
Shown, the solenoidal field determination experiment instrument includes：It is defeated to input adjusting part, exciting current output circuit, Hall sensor
Enter circuit, Hall element and solenoid.Wherein：
The input adjusting part is to input adjusting part described in above-described embodiment.The exciting current output circuit difference
It is connect with the microcontroller inputted in adjusting part and the solenoid, for passing through the input adjusting part to described
Exciting current in solenoid is adjusted.The Hall sensor input circuit respectively with it is described input adjusting part in it is micro-
Controller is connected with Hall sensor, for obtaining the voltage value generated in the Hall sensor.
Specifically, in carrying out experimentation using solenoidal field determination experiment instrument provided in an embodiment of the present invention, lead to
The switching key overregulated in input adjusting part can select object to be entered, can pass through adjusting after selected input object
Specific object to be entered is adjusted in knob.
A kind of solenoidal field determination experiment instrument provided in an embodiment of the present invention, it includes input adjusting part pass through light
Photoelectric coder connects adjusting knob with microprocessor, and the direction of rotation of adjusting knob, rotation angle and rotary speed are converted
For pulse signal input microprocessor, and after parsing and analyze by microprocessor, corresponding object to be entered is adjusted,
Different objects to be entered can be switched by switching key simultaneously so that the event in the instrument use comprising the input adjusting part
Barrier rate is greatly lowered, and experimental implementation process is more convenient, succinct, to reach better using effect.
Based on above-described embodiment, the exciting current output circuit includes voltage controlled voltage source and voltage controlled current source.Wherein：
The voltage controlled current source includes integrated transporting discharging, field-effect tube and sampling resistor；
The voltage controlled voltage source is connect with the voltage controlled current source, for the voltage control at the field-effect tube both ends to exist
Preset value.
Specifically, as shown in fig. 6, VDC3 is from microcontroller DAC0 outputs, L1 and R16 are that external excitation coil is equivalent
Circuit.Integrated transporting discharging U3A, field-effect adjustment pipe Q1 and sampling resistor R13 etc. constitute constant current voltage controlled current source main body.Integrated transporting discharging
U3B, U3C, U3D and DC-DC module etc. constitute voltage controlled voltage source, and effect is the supply voltage that dynamic adjusts constant-current source.In 0-
In the case of the output of 500mA difference electric currents, field-effect is maintained to adjust pipe Q1 both end voltages always in 2.4V or so.Q1 hairs are reduced in this way
Heat improves power-efficient, while ensureing that short circuit is not feared in excitation output.
Based on above-described embodiment, the Hall sensor input circuit includes pressure difference clipping amplifier circuit, biased electrical
Voltage regulator circuit and analog to digital conversion circuit.Wherein：
The pressure difference clipping amplifier circuit respectively with the bias voltage regulator circuit, analog-digital conversion circuit as described and institute
State the output end connection of Hall sensor, the voltage for generating the Hall sensor and the bias voltage regulator circuit
After the voltage amplification to preset range of generation, it is input in analog-digital conversion circuit as described.
Specifically, as shown in fig. 7, the two-way voltage signal from Hall sensor and bias voltage adjustment circuit is by the ends J1
Mouth access send adc circuit after integrated transporting discharging U1 progress pressure difference amplifications through R5, J2 mouthfuls.2.4V reference voltages from MCU are by VDC1
End introduces, and integrated transporting discharging U2 provides 1.2V output references.Integrated transporting discharging U4A, U4B and U4C etc. constitute amplitude limiter circuit, by the ports J2
The signal voltage of output is limited in -100mV to+2.5V, is played a protective role to rear class adc circuit.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features；
And these modifications or replacements, various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (6)
1. a kind of input adjusting part, which is characterized in that the input adjusting part includes：Adjusting knob, at least one switching
Button, photoelectric encoder, microcontroller and display screen；Wherein,
The adjusting knob is connect with the shaft of the photoelectric encoder, and the adjusting knob drives the photoelectric coding when rotating
The shaft of device rotates synchronously；
At least one switching key is connect with the microcontroller, for switching the to be entered right of the microcontroller adjusting
As；
The microcontroller is connect with the output end of the photoelectric encoder, the pulse for being generated according to the photoelectric encoder
Signal obtains direction of rotation, rotation angle and the rotary speed of the adjusting knob, and according to the direction of rotation, the rotation
Corresponding object to be entered is adjusted in gyration and the rotary speed；
The display screen is connect with the microcontroller, is used to indicate the object to be entered that the input adjusting part is adjusted.
2. inputting adjusting part according to claim 1, which is characterized in that the microcontroller is C8051F series monolithics
Or STC series monolithics.
3. inputting adjusting part according to claim 1, which is characterized in that the display screen is 12864LCD liquid crystal displays.
4. a kind of solenoidal field determination experiment instrument, which is characterized in that the solenoidal field determination experiment instrument includes：Input is adjusted
Save component, exciting current output circuit, Hall sensor input circuit, Hall element and solenoid；Wherein,
The input adjusting part is the input adjusting part described in claim any one of 1-3；
The exciting current output circuit is connect with the microcontroller inputted in adjusting part and the solenoid respectively, is used
The exciting current in the solenoid is adjusted in by the input adjusting part；
The Hall sensor input circuit is connect with the microcontroller inputted in adjusting part and Hall sensor respectively,
For obtaining the voltage value generated in the Hall sensor.
5. solenoidal field determination experiment instrument according to claim 4, which is characterized in that the exciting current output circuit packet
Include voltage controlled voltage source and voltage controlled current source；Wherein,
The voltage controlled current source includes integrated transporting discharging, field-effect tube and sampling resistor；
The voltage controlled voltage source is connect with the voltage controlled current source, the supply voltage for adjusting the voltage controlled current source, by institute
The voltage for stating field-effect tube both ends is controlled in preset value.
6. solenoidal field determination experiment instrument according to claim 4, which is characterized in that the Hall sensor input circuit
Include pressure difference clipping amplifier circuit, bias voltage regulator circuit and analog to digital conversion circuit；Wherein,
The pressure difference clipping amplifier circuit respectively with the bias voltage regulator circuit, analog-digital conversion circuit as described and it is described suddenly
The output end connection of your sensor, voltage and the bias voltage regulator circuit for generating the Hall sensor generate
Voltage amplification to preset range after, be input in analog-digital conversion circuit as described.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810415805.0A CN108710091B (en) | 2018-05-03 | 2018-05-03 | Input adjusting assembly and solenoid magnetic field measurement experiment instrument comprising same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810415805.0A CN108710091B (en) | 2018-05-03 | 2018-05-03 | Input adjusting assembly and solenoid magnetic field measurement experiment instrument comprising same |
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| CN108710091A true CN108710091A (en) | 2018-10-26 |
| CN108710091B CN108710091B (en) | 2024-03-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109932919A (en) * | 2019-03-26 | 2019-06-25 | 佛山市顺德区美的洗涤电器制造有限公司 | Electric appliance controlling equipment and method, electric appliance and electric control method, medium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103076576A (en) * | 2013-01-06 | 2013-05-01 | 山西省电力公司大同供电分公司 | Magnetic field intensity measuring device |
| CN203551757U (en) * | 2013-10-18 | 2014-04-16 | 黄河科技学院 | Experimental device used for measuring solenoid axis magnetic induction intensity by adopting Hall effect method |
| CN104090506A (en) * | 2014-06-11 | 2014-10-08 | 中国人民解放军63680部队 | Digital input module for adjusting show value of electronic instrument |
| CN205139643U (en) * | 2015-11-27 | 2016-04-06 | 昆山龙腾光电有限公司 | Governing system of arc light leak ware |
| CN208255384U (en) * | 2018-05-03 | 2018-12-18 | 华中农业大学 | Input adjusts component and the solenoidal field measurement experiment instrument comprising the component |
-
2018
- 2018-05-03 CN CN201810415805.0A patent/CN108710091B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103076576A (en) * | 2013-01-06 | 2013-05-01 | 山西省电力公司大同供电分公司 | Magnetic field intensity measuring device |
| CN203551757U (en) * | 2013-10-18 | 2014-04-16 | 黄河科技学院 | Experimental device used for measuring solenoid axis magnetic induction intensity by adopting Hall effect method |
| CN104090506A (en) * | 2014-06-11 | 2014-10-08 | 中国人民解放军63680部队 | Digital input module for adjusting show value of electronic instrument |
| CN205139643U (en) * | 2015-11-27 | 2016-04-06 | 昆山龙腾光电有限公司 | Governing system of arc light leak ware |
| CN208255384U (en) * | 2018-05-03 | 2018-12-18 | 华中农业大学 | Input adjusts component and the solenoidal field measurement experiment instrument comprising the component |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109932919A (en) * | 2019-03-26 | 2019-06-25 | 佛山市顺德区美的洗涤电器制造有限公司 | Electric appliance controlling equipment and method, electric appliance and electric control method, medium |
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| CN108710091B (en) | 2024-03-22 |
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