CN109806570A - A kind of physical education electronics inductive appliance and application method - Google Patents
A kind of physical education electronics inductive appliance and application method Download PDFInfo
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- CN109806570A CN109806570A CN201910232054.3A CN201910232054A CN109806570A CN 109806570 A CN109806570 A CN 109806570A CN 201910232054 A CN201910232054 A CN 201910232054A CN 109806570 A CN109806570 A CN 109806570A
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Abstract
The invention belongs to teaching aid technical field, a kind of physical education electronics inductive appliance and application method are disclosed;It is provided with crust of the device;Signal generator is welded with above crust of the device;The crust of the device upper left corner and the upper right corner are provided with a timing button;Crust of the device front is welded with a display screen;The display screen upper left corner is provided with electricity displaying block;There are three button, mode button of respectively registering, long-jump mode button, long-distance running mode buttons for the setting of display screen lower left;Display screen lower right corner chain is connected to device switch;Lowermost end is provided with electronic induction chip inside crust of the device;There are one student bracelets with this matched with devices, are provided with bungee;Bungee is connected with the second electronic induction chip placing shell;Second electronic induction chip placing interior of shell is provided with the second electronic induction chip.Functional diversities of the present invention, and the efficiency of teaching in physical education is improved, the work load of games master is reduced, is suitable for large-scale promotion.
Description
Technical field
The invention belongs to teaching aid technical field more particularly to a kind of physical educations with electronics inductive appliance and user
Method.
Background technique
One word of physical education, English copy are physical education, refer to the religion using body movement as means
It educates, literal translates as the education of body, referred to as sport.With the expansion of international association, the scale and level of sports business development are
It is an important symbol for measuring a country, social development progress, also becomes the important hand of diplomacy and cultural exchanges between country
Section.Sport can be divided into the types such as sport for all, athletics sports, school physical education, traditional national sport.Including sports culture, sport
The lot of essential factors such as education, sports, athletic competition, sports equipment, sports organization, sports science technology sport economy.Sport
Teaching is the purposeful and organized course of education worked out a scheme by one with curricular standard progress.Physical education is by Faculty and Students
Common to participate in, task is that sports knowledge, technology and technical ability are taught to student, enhances its constitution, cultivates its morals, will, product
Matter etc..It is the citation form that school physical education realizes, is one of practicable ways of sports purpose.In daily physical education,
P.E. teacher will use many teaching aids, there is no harm in very much a century, and technicalization degree is not high, also rest on previous Catholicism
In mode, need to improve.
In conclusion problem of the existing technology is: in daily physical education, P.E. teacher will use many religions
Apparatus is learned, there is no harm in very much a century, and technicalization degree is not high, also rest in previous old teaching pattern, need to improve.
Summary of the invention
In view of the problems of the existing technology, the present invention provides a kind of physical education electronics inductive appliances and user
Method.
The invention is realized in this way a kind of physical education electronics inductive appliance, the physical education electronic induction
Apparatus is provided with
Crust of the device;
Signal generator is welded with above crust of the device;The crust of the device upper left corner and the upper right corner be provided with a timing by
Button;Crust of the device front is welded with a display screen;The display screen upper left corner is provided with electricity displaying block;Display screen lower left is set
It sets there are three button, three buttons are respectively register mode button, long-jump mode button, long-distance running mode button;Display screen bottom right
Angle chain is connected to device switch;Lowermost end is provided with electronic induction chip inside crust of the device;
Electronic induction chip can carry out induction connection with bracelet with student, and student is provided with bungee with bracelet;It is elastic
Rope is connected with the second electronic induction chip placing shell;Second electronic induction chip placing interior of shell is provided with the second sense electronics
Answer chip;
Enclosure interior is provided with microcontroller, microcontroller and timing button, display screen, mode button of registering, long-jump mould
Formula button, long-distance running mode button and the electrical connection of electronic induction chip, microcontroller are electrically connected by timing circuit with timing button.
Further, the chip placing lid is bolted with crust of the device.
Further, described device case back is provided with USB interface, charges.
Further, the whistle is welded on the left side of crust of the device.
Further, the circuit connection of the electronic induction chip are as follows: C1, C2 are the capacitor of 22pF, connection 32MHz crystal oscillator electricity
Road is used for working normally;C3, C4 are the capacitor of 15pF, the crystal oscillating circuit of 32.768kHz are connected, for working when suspend mode;
C5=0.1 μ F prevents single-chip microcontroller erroneous resets for removing noise jamming;C6~C8 is respectively 100nF, 220n F, 220nF,
As filtering, noise jamming is removed;C9=5.6pF, in circuit balun transformer by capacitor C9 and inductance L1, L2, L3 and
One PCB microwave transmission line composition;L1, L2, L3 are respectively 8.2nH, 22nH, 1.8nH;C10, C11, C12, C13, C14 are to go
Coupled capacitor is used for power filter;Bias resistor R1, R2 are respectively 43k Ω, and 56k Ω, R1 are for being 32MHz crystal oscillation
Precision offset electric current is arranged in device.
Further, the microcontroller AT89C52 and clock circuit, electrification reset circuit constitute the minimum system of single-chip microcontroller
System;
Clock circuit includes crystal oscillator, capacitor C19, C20;Electrification reset circuit include R42, C5, S3, VD1, C3,
R9;
Sign-changing amplifier in crystal oscillator and AT89C52 constitutes oscillator, believes to the CPU clock for providing high stable
Number;Capacitor C19, C20 20pF;
Capacitor C5 and resistance R42 constitutes electrification reset circuit;Key S3 and resistance R9 constitutes key reset circuit.
Further, the end voltage after lithium battery charging complete is 4.2V, is sent into two point by point after VDl, VD2 and VD3 partial pressure
Triode Vl and V2.
Further, CD4020B frequency divider is for separating 555 timer frequencies;S1 is range switch, provides 2 to 20
Minute, 20 to 200 minutes, 200 to 2000 minutes time intervals.
It is described another object of the present invention is to provide a kind of application method of physical education electronics inductive appliance
When in use, the student for allowing needs to have physical education takes matched student and uses the application method of physical education electronics inductive appliance
Mode button of registering, electronic induction chip and the second electricity are pressed in bracelet, subsequent teacher's pressing device switch button, device booting
Sub- induction chip mutual induction, the student around P.E. teacher around 10 meters register success, student need to carry out long-jump or
When person's long-distance running, by opening long-jump mode button, long-distance running mode button, electronic induction chip and the second electronic induction chip phase mutual inductance
It answers, measures the distance between two devices, all of above information is sent to by signal generator into the cell phone of teacher,
Carry out electronical record.
Advantages of the present invention and good effect are as follows: physical education of the present invention is that sport is taught with electronics inductive appliance basic model
Most common Chronograph in, has carried out depth improvement on it, this device is provided with two kinds of electronic induction chip,
Note rice, the function of remembering distance and register can be completed with mutual induction;And this device uses Integration Design, can play
The effect of other physical education apparatus, such as whistle, timer are very convenient quick.
Physical education of the present invention is simple with electronics inductive appliance structure, novel in design, more objects can be replaced with an object, and also
The efficiency of teaching in physical education can be improved, the work load of games master is reduced, is suitable for large-scale promotion.
Detailed description of the invention
Fig. 1 is physical education electronics inductive appliance teacher's apparatus schematic diagram provided in an embodiment of the present invention.
Fig. 2 is the mating student appliance of physical education electronics inductive appliance provided in an embodiment of the present invention.
Fig. 3 is electronic induction chip circuit figure provided in an embodiment of the present invention;
Fig. 4 is microcontroller circuit figure provided in an embodiment of the present invention;
Fig. 5 is electric quantity display circuit figure provided in an embodiment of the present invention;
Fig. 6 is timing circuit circuit diagram provided in an embodiment of the present invention;
In figure: 1, signal generator;2, timing button;3, crust of the device;4, display screen;5, device switchs;6, sense electronics
Answer chip;7, chip placing lid;8, it registers mode button;9, long-jump mode button;10, long-distance running mode button;11, whistle;
12, electricity displaying block;13, bungee;14, the second electronic induction chip placing shell;15, the second electronic induction chip.
Specific embodiment
In order to further understand the content, features and effects of the present invention, the following examples are hereby given, and cooperate attached drawing
Detailed description are as follows.
Structure of the invention is explained in detail with reference to the accompanying drawing.
As shown in Figure 1 to Figure 2, which includes: signal generator 1, timing button 2, dress
Set shell 3, display screen 4, device switch 5, electronic induction chip 6, chip placing lid 7, mode button 8 of registering, long-jump mode
Button 9, long-distance running mode button 10, whistle 11, electricity displaying block 12, bungee 13, the second electronic induction chip placing shell 14,
Second electronic induction chip 15.
Signal generator 1 is welded with above crust of the device 3;3 upper left corner of crust of the device and the upper right corner are provided with a meter
When button 2;3 front of crust of the device is welded with a display screen 4;4 upper left corner of display screen is provided with electricity displaying block 12;Display screen
There are three button, mode button 8 of respectively registering, long-jump mode button 9, long-distance running mode buttons 10 for the setting of 4 lower lefts;Display
Shield 4 lower right corner chains and is connected to device switch 5;3 inside lowermost end of crust of the device is provided with electronic induction chip 6;With this matched with devices
There are one student's bracelet, be provided with bungee 13;Bungee 13 is connected with the second electronic induction chip placing shell 14;
Second electronic induction chip placing shell 14 is internally provided with the second electronic induction chip 15.
Enclosure interior is provided with microcontroller, microcontroller and timing button, display screen, mode button of registering, long-jump mould
Formula button, long-distance running mode button and the electrical connection of electronic induction chip, microcontroller are electrically connected by timing circuit with timing button.
Preferably, chip placing lid 7 is bolted with crust of the device 3.
Preferably, 3 back of crust of the device is provided with USB interface, can charge for it.
Preferably, whistle 11 is welded on the left side of crust of the device 3.
As shown in figure 3, electronic induction chip 6 selects the CC2430 chip with low power consumption characteristic, C1, C2 22pF in figure
Capacitor, connect the crystal oscillating circuit of 32MHz, this quartz crystal oscillator for work normally use.C3, C4 are the capacitor of 15pF, connection
The crystal oscillating circuit of 32.768kHz, this quartz crystal oscillator is used to work when suspend mode, to reduce power consumption.C5=0.1 μ F, for removing
Some noise jamming prevent single-chip microcontroller erroneous resets.C6~C8 is respectively 100nF, 220n F, 220nF, is used as filtering, removal
Noise jamming keeps voltage more stable.C9=5.6pF, balun transformer is by capacitor C9 and inductance L1, L2, L3 and one in circuit
A PCB microwave transmission line composition, total meet the requirement of RF input/output build-out resistor (50 Ω), L1, L2, L3 difference
For 8.2nH, 22nH, 1.8nH.C10, C11, C12, C13, C14 are decoupling capacitance, power filter are used for, to improve chip work
The stability of work.Bias resistor R1, R2 are respectively 43k Ω, and 56k Ω, R1 are used to be arranged for 32MHz crystal oscillator accurate inclined
Set electric current.
As shown in figure 4, microcontroller selects AT89C52, AT89C52 and clock circuit (including crystal oscillator, capacitor
C19, C20), electrification reset circuit (including R42, C5, S3, VD1, C3, R9) constitutes the minimum system of single-chip microcontroller.Wherein, crystal
Oscillator selects the passive crystal oscillator of high stable of 12MHz, it constitutes oscillator with the sign-changing amplifier in AT89C52, gives
The clock signal of CPU offer high stable.Capacitor C19, C20 can play frequency trim, and capacitance is selected between 5pF~30pF
It selects, this circuit selects 20pF.Capacitor C5 and resistance R42 constitutes electrification reset circuit.When electric power starting, power supply charges to capacitor C5,
A high impulse is generated in the reset terminal of CPU.As long as high level is held time greater than two machine cycles (24 cycles of oscillation).
CPU can reset.The effect of diode VD1 is when power is off, the charge stored by capacitor C5 can be made to discharge rapidly, so as to next time
Reliable reset when powering on.Capacitor C5 can filter out High-frequency Interference, prevent monolithic chance error from resetting.It is multiple that key S3 and resistance R9 constitutes key
Position circuit.
As shown in figure 5, the end voltage after lithium battery charging complete is about 4.2V, sent point by point after VDl, VD2 and VD3 partial pressure
Enter two triodes Vl and V2.Because partial pressure value is different, the driving voltage of two LED is also different, with the reduction of supply voltage
And it reduces.When supply voltage is 4.2V, two IED shine, and instruction electricity is sufficient.When supply voltage is down to 3.6V, VD5
Extinguish because 8V pressure drop is not achieved, instruction electricity dies down.When supply voltage is down to 3.1V again, VD4 also can gradually extinguish, instruction
Electricity has exhausted, and needs to charge in time.In practical application, lithium battery voltage drops to 3.3V should just charge in time, so
It just deactivates after VD4 extinguishes completely, and charges in time.
As shown in fig. 6, CD4020B frequency divider is used to separate 555 timer frequencies, S1 is a range switch, it
Provide 2 to 20 minutes, 20 to 200 minutes, 200 to 2000 minutes time intervals.
In the use of the present invention, the student for allowing needs to be had physical education first takes matched student's bracelet, subsequent teacher
5 button of pressing device switch, device booting, presses register 8 button of mode button, electronic induction chip 6 and the second electronic induction
15 mutual induction of chip, the student around P.E. teacher around 10 meters can register success, student need to carry out long-jump or
When person's long-distance running, long-jump mode button 9,10 button of long-distance running mode button, electronic induction chip 6 and the second electronic induction chip are pressed out
15 mutual inductions, measure the distance between two devices, above all information can be sent to by signal generator into
In the cell phone of teacher, electronical record is carried out.
The above is only the preferred embodiments of the present invention, and is not intended to limit the present invention in any form,
Any simple modification made to the above embodiment according to the technical essence of the invention, equivalent variations and modification, belong to
In the range of technical solution of the present invention.
Claims (9)
1. a kind of physical education electronics inductive appliance, which is characterized in that the physical education is provided with electronics inductive appliance
Crust of the device;
Signal generator is welded with above crust of the device;The crust of the device upper left corner and the upper right corner are provided with a timing button;
Crust of the device front is welded with a display screen;The display screen upper left corner is provided with electricity displaying block;The setting of display screen lower left
There are three button, three buttons are respectively register mode button, long-jump mode button, long-distance running mode button;The display screen lower right corner
Chain is connected to device switch;Lowermost end is provided with electronic induction chip inside crust of the device;
Electronic induction chip can carry out induction connection with bracelet with student, and student is provided with bungee with bracelet;Bungee connects
It is connected to the second electronic induction chip placing shell;Second electronic induction chip placing interior of shell is provided with the second electronic induction core
Piece;
Enclosure interior is provided with microcontroller, and microcontroller and timing button, display screen, mode button of registering, long-jump mode are pressed
Button, long-distance running mode button and the electrical connection of electronic induction chip, microcontroller are electrically connected by timing circuit with timing button.
2. physical education as described in claim 1 electronics inductive appliance, which is characterized in that the chip placing lid and dress
Shell is set to be bolted.
3. physical education as described in claim 1 electronics inductive appliance, which is characterized in that the setting of described device case back
There is USB interface, charges.
4. physical education as described in claim 1 electronics inductive appliance, which is characterized in that the whistle is welded on outside device
The left side of shell.
5. physical education as described in claim 1 electronics inductive appliance, which is characterized in that the electricity of the electronic induction chip
Road connection are as follows: C1, C2 are the capacitor of 22pF, connect 32MHz crystal oscillating circuit, are used for working normally;C3, C4 are the electricity of 15pF
Hold, the crystal oscillating circuit of 32.768kHz is connected, for working when suspend mode;C5=0.1 μ F prevents monolithic for removing noise jamming
Machine erroneous resets;C6~C8 is respectively 100nF, 220nF, 220nF, is used as filtering, removes noise jamming;C9=5.6pF, circuit
Middle balun transformer is by L1, L2, L3 and PCB microwave transmission line compositions of capacitor C9 and inductance;L1, L2, L3 are respectively
8.2nH, 22nH, 1.8nH;C10, C11, C12, C13, C14 are decoupling capacitance, are used for power filter;Bias resistor R1, R2
Respectively 43k Ω, 56k Ω, R1 are for being arranged precision offset electric current for 32MHz crystal oscillator.
6. physical education as described in claim 1 electronics inductive appliance, which is characterized in that the microcontroller AT89C52
With clock circuit, electrification reset circuit constitutes the minimum system of single-chip microcontroller;
Clock circuit includes crystal oscillator, capacitor C19, C20;Electrification reset circuit includes R42, C5, S3, VD1, C3, R9;
Sign-changing amplifier in crystal oscillator and AT89C52 constitutes oscillator, provides the clock signal of high stable to CPU;Electricity
Hold C19, C20 20pF;
Capacitor C5 and resistance R42 constitutes electrification reset circuit;Key S3 and resistance R9 constitutes key reset circuit.
7. physical education as described in claim 1 electronics inductive appliance, which is characterized in that the end after lithium battery charging complete
Voltage is 4.2V, is sent into two triodes Vl and V2 point by point after VDl, VD2 and VD3 partial pressure.
8. physical education as described in claim 1 electronics inductive appliance, which is characterized in that CD4020B frequency divider is for dividing
From 555 timer frequencies;S1 is range switch, provides 2 to 20 minutes, 20 to 200 minutes, 200 to 2000 minutes when
Between be spaced.
9. a kind of application method of physical education as described in claim 1 electronics inductive appliance, which is characterized in that the sport
When in use, the student for allowing needs to have physical education takes matched student's hand to the application method of teaching electronic inductive appliance
Mode button of registering, electronic induction chip and the second electronics are pressed in ring, subsequent teacher's pressing device switch button, device booting
Induction chip mutual induction, the student around P.E. teacher around 10 meters register success, student need to carry out long-jump or
When long-distance running, by opening long-jump mode button, long-distance running mode button, electronic induction chip and the second electronic induction chip mutual induction,
The distance between two devices are measured, all of above information is sent to by signal generator into the cell phone of teacher, into
Row electronical record.
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Cited By (1)
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CN113259882A (en) * | 2021-06-25 | 2021-08-13 | 成都怡康科技有限公司 | Bracelet distribution system and method for sports class tactical box |
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Application publication date: 20190528 |