CN110189596A - A kind of energy-storage travelling wave tube charging and discharging demonstration device - Google Patents
A kind of energy-storage travelling wave tube charging and discharging demonstration device Download PDFInfo
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- CN110189596A CN110189596A CN201910468975.XA CN201910468975A CN110189596A CN 110189596 A CN110189596 A CN 110189596A CN 201910468975 A CN201910468975 A CN 201910468975A CN 110189596 A CN110189596 A CN 110189596A
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- G09B23/182—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism for components
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- 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
- G09B23/183—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism for circuits
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Abstract
This application discloses a kind of energy-storage travelling wave tube charging and discharging demonstration devices, including capacitor charge and discharge module and inductance charge-discharge modules, capacitor charge and discharge module and inductance charge-discharge modules include: energy-storage travelling wave tube, the first group of indicator elment arranged by the charge waveforms figure of energy-storage travelling wave tube and the second group of indicator elment arranged by the discharge waveform figure of energy-storage travelling wave tube, charge-discharge modules and comparison module.Charging and discharging demonstration device provided herein, both the charge and discharge process of capacitor can be demonstrated, the charge and discharge process of inductor can also be demonstrated, simultaneously, two groups of indicator elments are arranged according to the waveform diagram of charge and discharge respectively, the discharge and recharge rule of energy-storage travelling wave tube can be more intuitively found out, to reach the height in conjunction with theoretical knowledge.
Description
Technical field
This application involves energy-storage travelling wave tube fields, more particularly to a kind of energy-storage travelling wave tube charging and discharging demonstration device.
Background technique
Energy-storage travelling wave tube (capacitor, inductance) is pith in Circuit Course and engineering common component in practice.
The charge and discharge of energy-storage travelling wave tube are the common phenomena in production and living, and the charge rule and discharging law for seeking energy-storage travelling wave tube are circuits
The difficult point of teaching.Existing energy-storage travelling wave tube charging and discharging demonstration device can only demonstrate a kind of discharge and recharge rule of energy-storage travelling wave tube, and use
In instruction lamp bead or light emitting diode by arranged in a straight line, it is not intuitive enough when demonstrating the discharge and recharge rule of energy-storage travelling wave tube, this
Sample is extremely difficult to the height in conjunction with theoretical knowledge.
Therefore, how to provide a kind of scheme of solution above-mentioned technical problem is that those skilled in the art need to solve at present
Problem.
Summary of the invention
The purpose of the application is to provide a kind of energy-storage travelling wave tube charging and discharging demonstration device, can fill to capacitor and inductor
Discharge process is demonstrated, and the arrangement mode of two groups of indicator elments more intuitive can find out the discharge and recharge rule of energy-storage travelling wave tube, is reached
To the height in conjunction with theoretical knowledge.
In order to solve the above technical problems, this application provides a kind of energy-storage travelling wave tube charging and discharging demonstration device, including capacitor fills
Discharge module and inductance charge-discharge modules, the capacitor charge and discharge module and the inductance charge-discharge modules include:
Energy-storage travelling wave tube, the first group of indicator elment arranged by the charge waveforms figure of the energy-storage travelling wave tube and by energy storage member
Second group of indicator elment of the discharge waveform figure arrangement of part；
Charge-discharge modules are instructed for being charged for the energy-storage travelling wave tube when receiving charging instruction when receiving electric discharge,
For energy-storage travelling wave tube electric discharge；
Comparison module, for obtaining the corresponding virtual voltage of energy-storage travelling wave tube described in charging process or discharge process, by institute
It states virtual voltage to be compared respectively with multiple reference voltages, when comparison result meets indicated condition, to the reference voltage pair
The indicator elment answered sends indication signal；
Each indicator elment is used to when receiving the indication signal, is in the first instruction state, when not receiving
The indication signal is in the second instruction state；
Energy-storage travelling wave tube in the capacitor charge and discharge module is capacitor, the energy-storage travelling wave tube in the inductance charge-discharge modules
For inductor.
Preferably, the charge-discharge modules include voltage source, resistor and single-pole double-throw switch (SPDT)；
The voltage source is the energy storage when connecting for the non-moving end in the single-pole double-throw switch (SPDT) with the first moved end
Element charging；
The resistor, for being described when the non-moving end of the single-pole double-throw switch (SPDT) is connected with the second moved end
Energy-storage travelling wave tube electric discharge.
Preferably, the voltage source includes the AA battery of multi-section serial.
Preferably, the voltage source includes lithium battery and booster circuit.
Preferably, the comparison module includes three pieces LM324 chip.
Preferably, the charging and discharging demonstration device further include:
Divider carries out partial pressure operation for the output voltage to the voltage source, to generate multiple reference voltages.
Preferably, the resistor is adjustable potentiometer.
Preferably, which includes multiple concatenated energy-storage travelling wave tubes, further include with it is multiple concatenated
The single pole multiple throw of the energy-storage travelling wave tube connection.
Preferably, the indicator elment is light emitting diode.
This application provides a kind of energy-storage travelling wave tube charging and discharging demonstration devices, including capacitor charge and discharge module and inductance charge and discharge
Module, capacitor charge and discharge module and inductance charge-discharge modules include: energy-storage travelling wave tube, the charge waveforms figure arrangement by energy-storage travelling wave tube
First group of indicator elment and by energy-storage travelling wave tube discharge waveform figure arrange second group of indicator elment；Charge-discharge modules are used for
It when receiving charging instruction, charges for energy-storage travelling wave tube, when receiving electric discharge instruction, discharges for energy-storage travelling wave tube；Comparison module is used for
Obtain the corresponding virtual voltage of energy-storage travelling wave tube in charging process or discharge process, by virtual voltage and multiple reference voltages respectively into
Row compares, and when comparison result meets indicated condition, sends indication signal to the corresponding indicator elment of the reference voltage；Each finger
Show element, be used to when receiving indication signal, be in the first instruction state, when no indication is received signal, in the second instruction shape
State；Energy-storage travelling wave tube in capacitor charge and discharge module is capacitor, and the energy-storage travelling wave tube in inductance charge-discharge modules is inductor.In reality
In the application of border, using charging and discharging demonstration device provided herein, the charge and discharge process of capacitor can both be demonstrated,
The charge and discharge process of inductor can also be demonstrated, meanwhile, two groups of indicator elments are arranged according to the waveform diagram of charge and discharge respectively
Column setting, can more intuitively find out the discharge and recharge rule of energy-storage travelling wave tube, to reach the height in conjunction with theoretical knowledge.
Detailed description of the invention
It in order to more clearly explain the technical solutions in the embodiments of the present application, below will be to institute in the prior art and embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the application
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of structural schematic diagram of energy-storage travelling wave tube charging and discharging demonstration device provided herein；
Fig. 2 is a kind of distribution map of indicator elment provided herein；
Fig. 3 a is the connection schematic diagram of a kind of charge-discharge modules and capacitor provided herein；
Fig. 3 b is the connection schematic diagram of a kind of charge-discharge modules and inductor provided herein；
Fig. 4 a is a kind of structural schematic diagram of capacitor charge and discharge module provided herein；
Fig. 4 b is a kind of structural schematic diagram of inductance charge-discharge modules provided herein；
Fig. 5 is the structural schematic diagram of another capacitor charge and discharge module provided herein；
Fig. 6 is the structural schematic diagram of another capacitor charge and discharge module provided herein.
Specific embodiment
The core of the application is to provide a kind of energy-storage travelling wave tube charging and discharging demonstration device, can fill to capacitor and inductor
Discharge process is demonstrated, and the arrangement mode of two groups of indicator elments more intuitive can find out the discharge and recharge rule of energy-storage travelling wave tube, is reached
To the height in conjunction with theoretical knowledge.
To keep the purposes, technical schemes and advantages of the embodiment of the present application clearer, below in conjunction with the embodiment of the present application
In attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is
Some embodiments of the present application, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall in the protection scope of this application.
Fig. 1 is please referred to, Fig. 1 is a kind of structural schematic diagram of energy-storage travelling wave tube charging and discharging demonstration device provided herein,
Including capacitor charge and discharge module 1 and inductance charge-discharge modules 2, capacitor charge and discharge module 1 and inductance charge-discharge modules 2 include:
Energy-storage travelling wave tube, by energy-storage travelling wave tube charge waveforms figure arrange first group of indicator elment 51 and putting by energy-storage travelling wave tube
Second group of indicator elment 52 of electrical waveform figure arrangement；
Energy-storage travelling wave tube in capacitor charge and discharge module 1 is capacitor C, and the energy-storage travelling wave tube in inductance charge-discharge modules 2 is electricity
Sensor L；
Specifically, demonstrating the discharge and recharge rule of capacitor C and the charge and discharge of inductor L simultaneously by an instrument to realize
Rule, energy-storage travelling wave tube charging and discharging demonstration device provided herein include capacitor charge and discharge module 1 and inductance charge-discharge modules
2, the energy-storage travelling wave tube in capacitor charge and discharge module 1 is capacitor C, and the energy-storage travelling wave tube in inductance charge-discharge modules 2 is inductor L,
Indicator elment is specifically as follows light emitting diode.In the application, light emitting diode is arranged by Charge-discharge wave shape figure, energy-storage travelling wave tube
In charging, the shape that charge waveforms figure exponentially rises, therefore, the setting of first group of indicator elment 51 is referring in particular to Fig. 2
In curve 1. shown in, energy-storage travelling wave tube is in electric discharge, the shape that discharge waveform figure exponentially declines, therefore second group of instruction member
Curve in specific Fig. 2 of setting of part 52 is 2. shown, when two groups of light emitting diodes are arranged by above-mentioned two curved arrangements, right
When energy-storage travelling wave tube carries out charge-discharge test, the discharge and recharge rule of energy-storage travelling wave tube can be preferably embodied, certainly, two groups of indicator elments
Number need according to actual requirement of engineering determine, the application is it is not limited here.
Charge-discharge modules 3, for being charged for energy-storage travelling wave tube when receiving charging instruction, when receiving electric discharge instruction, for storage
It can component discharges；
Specifically, charge-discharge modules 3 specifically include the voltage source 31 for charging for energy-storage travelling wave tube, resistor R and list
Double-pole double throw switch S1.In capacitor charge and discharge module 1, the connection schematic diagram reference of each device and capacitor C in charge-discharge modules 3
Shown in Fig. 3 a, the output end of voltage source 31 is connect, single-pole double-throw switch (SPDT) with the first moved end (i.e. the end A1) of single-pole double-throw switch (SPDT) s1
The non-moving end (i.e. the end C1) of s1 is connect with the first end of resistor R, and the second end of resistor R is connect with the first end of capacitor C,
The second end of capacitor C and the second moved end (i.e. the end B1) of single-pole double-throw switch (SPDT) s1 are grounded, when receiving charging instruction, hilted broadsword
When the C-terminal of commutator s1 is connect with the end A, voltage source 31 is capacitor C charging by resistor R, is instructed when receiving electric discharge,
When the C-terminal of single-pole double-throw switch (SPDT) s1 is connect with the end B, discharged by resistor R capacitor C.In inductance charge-discharge modules 2, fill
For the connection schematic diagram of each device and inductor L in discharge module 3 referring to shown in Fig. 3 b, the output end and hilted broadsword of voltage source 31 are double
The end A of throw switch s1 connects, and the C-terminal of single-pole double-throw switch (SPDT) s1 is connect with the first end of inductor L, the second end of inductor L and
The first end of resistor R connects, and the second end of resistor R is grounded with the end B of single-pole double-throw switch (SPDT) s1, and charge-discharge modules 3 are right
The charge and discharge process of inductor L is similar with capacitor C, and details are not described herein by the application.
Comparison module 4 will practical electricity for obtaining the corresponding virtual voltage of energy-storage travelling wave tube in charging process or discharge process
Pressure is compared respectively with multiple reference voltages, when comparison result meets indicated condition, to the corresponding instruction of the reference voltage
Element sends indication signal；
Each indicator elment is used to when receiving indication signal, is in the first instruction state, believes when no indication is received
Number, it is in the second instruction state.
It is understood that the electricity in capacitor charge and discharge module 1, on virtual voltage corresponding with capacitor C, that is, capacitor C
It presses, in inductance charge-discharge modules 2, in order to detect the electric current for flowing through inductor L, the electric current to resistor R is needed to sample, because
Voltage on this virtual voltage corresponding with inductor L, that is, resistor R.During carrying out charge and discharge to energy-storage travelling wave tube, than
Virtual voltage corresponding with energy-storage travelling wave tube can be obtained in real time compared with module 4, and virtual voltage and a series of reference voltage are carried out
Compare, reference voltage and indicator elment have default corresponding relationship, when the comparison result of virtual voltage and a certain reference voltage is full
When sufficient indicated condition, indication signal can be sent to indicator elment corresponding with the reference voltage, so that indicator elment is receiving
It is in after to indication signal the first instruction state (being specifically as follows illuminating state), further to make each group display element embody storage
The discharge and recharge rule of energy element, reference voltage can be arranged according to respective rule, such as be arranged from low to high.With filling for capacitor C
For electric process, referring to shown in Fig. 2, the charging process of capacitor C is 1. corresponding with curve, and curve is 1. by first group of indicator elment 51
(including D11-D18) is constituted.It is understood that during the charging process, the virtual voltage on capacitor C gradually rises,
For reference voltage by being arranged from low to high, comparison procedure is specifically as follows the size for comparing virtual voltage and reference voltage, works as reality
When voltage is greater than reference voltage, indication signal is generated, then first group of indicator elment 51 should be according to the sequence from D11-D18
It successively lights, the quantity that indicator elment is lighted can represent the height of the virtual voltage on capacitor C.
Further, energy-storage travelling wave tube charging and discharging demonstration device provided herein had both included capacitor as shown in fig. 4 a
Charge-discharge modules 1 also include inductor charge-discharge modules as shown in Figure 4 b, and the two can share same voltage source 31, and capacitor fills
1 corresponding two group of indicator elment of discharge module can be set to the first face of energy-storage travelling wave tube charging and discharging demonstration device, inductance charge and discharge mould
2 corresponding two groups of indicator elments of block are set to the second face of energy-storage travelling wave tube charging and discharging demonstration device.
This application provides a kind of energy-storage travelling wave tube charging and discharging demonstration devices, including capacitor charge and discharge module and inductance charge and discharge
Module, capacitor charge and discharge module and inductance charge-discharge modules include: energy-storage travelling wave tube, the charge waveforms figure arrangement by energy-storage travelling wave tube
First group of indicator elment and by energy-storage travelling wave tube discharge waveform figure arrange second group of indicator elment；Charge-discharge modules are used for
It when receiving charging instruction, charges for energy-storage travelling wave tube, when receiving electric discharge instruction, discharges for energy-storage travelling wave tube；Comparison module is used for
Obtain the corresponding virtual voltage of energy-storage travelling wave tube in charging process or discharge process, by virtual voltage and multiple reference voltages respectively into
Row compares, and when comparison result meets indicated condition, sends indication signal to the corresponding indicator elment of the reference voltage；Each finger
Show element, be used to when receiving indication signal, be in the first instruction state, when no indication is received signal, in the second instruction shape
State；Energy-storage travelling wave tube in capacitor charge and discharge module is capacitor, and the energy-storage travelling wave tube in inductance charge-discharge modules is inductor.In reality
In the application of border, using charging and discharging demonstration device provided herein, the charge and discharge process of capacitor can both be demonstrated,
The charge and discharge process of inductor can also be demonstrated, meanwhile, two groups of indicator elments are arranged according to the waveform diagram of charge and discharge respectively
Column setting, can more intuitively find out the discharge and recharge rule of energy-storage travelling wave tube, to reach the height in conjunction with theoretical knowledge.
On the basis of the above embodiments:
Embodiment as one preferred, voltage source 31 include the AA battery of multi-section serial.
Embodiment as one preferred, voltage source 31 include lithium battery and booster circuit.
Specifically, voltage source 31 can select lower-cost AA battery, it can specifically include four section strings in voltage source 31
The AA battery of connection.The lithium battery that self discharge is small, has extended cycle life can certainly be selected, also needs setting to rise when selecting lithium battery
Volt circuit.
Embodiment as one preferred, comparison module 4 include three pieces LM324 chip.
Embodiment as one preferred, the charging and discharging demonstration device further include:
Divider carries out partial pressure operation for the output voltage to voltage source 31, to generate multiple reference voltages.
Specifically, comparison module 4 can specifically select three pieces LM324 chip, every LM324 chip includes four voltage ratios
Compared with device, for comparing the virtual voltage and reference voltage of energy-storage travelling wave tube.Further, reference voltage can be provided by divider,
Correspondingly, divider can be made of multiple divider resistances, complete to generate multiple bases to the partial pressure of voltage source 31 by divider resistance
The number of quasi- voltage, the resistance of partial pressure can be determined by the number of voltage comparator.
Referring to Figure 5, by taking the charging process of capacitor C as an example, the scheme of the present embodiment is illustrated: all voltages
The non-inverting input terminal of comparator with capacitor C anode connect, the inverting input terminal of all voltage comparators respectively with 12
Reference voltage connection, it is anti-that the reference voltage that i-th of voltage comparator inverting input terminal receives is less than i+1 voltage comparator
The reference voltage that phase input terminal receives, i=1,2 ..., 11.The output end of each voltage comparator is separately connected two and shines
The anode of diode, in the two light emitting diodes in top position be light-emitting diodes in first group of indicator elment 51
Pipe, being below position is the light emitting diode in second group of indicator elment 52, and the cathode of two light emitting diodes passes through
One double-point double-throw switch S ground connection, specifically, in charging process, the first non-moving end C2 of double-point double-throw switch S and the first moved end
B2 connection, in discharge process, the first non-moving end C2 of double-point double-throw switch S is connect with the second moved end A2, with charging process
It carrying out, the virtual voltage on capacitor C gradually rises, when the virtual voltage that voltage comparator receives is greater than reference voltage,
The output end of voltage comparator, which is equivalent to, exports a high level signal to light emitting diode, lights light emitting diode, can be with
Understand, the virtual voltage on capacitor C is higher, and the number that light emitting diode is lighted is more.
Certainly, LM324 can also be replaced with four high guaily units such as TL084.
Embodiment as one preferred, resistor R are adjustable potentiometer.
Specifically, understanding the meaning of charge constant for the ease of student, resistor R is set adjustable electric by the application
Device is hindered, to adjust charge constant.
Embodiment as one preferred, the charging and discharging demonstration device include multiple concatenated energy-storage travelling wave tubes, further include with
The single pole multiple throw of multiple concatenated energy-storage travelling wave tube connections.
It may include multiple concatenated capacitor C on the basis of a upper embodiment, in capacitor charge and discharge module 1, and
Single pole multiple throw S2 connected to it includes two concatenated capacitor C1 in capacitor charge and discharge module 1 referring to shown in Fig. 6
And C2 accesses the capacitor of charge circuit when the non-moving end C3 of single pole multiple throw S2 is connected from different moved ends (A3 or B3)
Value is not identical, therefore, can change the capacitance of access charge circuit by changing the connection of single pole multiple throw, thus
Change charge constant, inductance charge-discharge modules 2 are similarly.
Certainly, in addition to aforesaid way can be used to change access charge circuit capacitance, toggle switch can also be set
Mode is realized, that is, capacitor C is arranged, and the anode connection toggle switch of capacitor C is different by selection toggle switch
Gear accesses charge circuit to export different capacitances.
To sum up, the application can not only demonstrate the discharge and recharge rule of capacitor C but also can demonstrate the charge and discharge rule of inductor L
Rule, capacitance, inductance value and resistance value are adjustable, i.e., time constant is adjustable, are easy to understand the meaning of time constant；Light-emitting diodes
Pipe instruction is intuitive, and double-sided display, space efficient is cheap, easy to carry, does not need other instruments auxiliary, facilitates electricity
Teacher is learned to demonstrate on classroom.
It should also be noted that, in the present specification, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes that
A little elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or
The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except there is also other identical elements in the process, method, article or equipment for including element.
The foregoing description of the disclosed embodiments makes professional and technical personnel in the field can be realized or use the application.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the application.Therefore, the application
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (9)
1. a kind of energy-storage travelling wave tube charging and discharging demonstration device, which is characterized in that including capacitor charge and discharge module and inductance charge and discharge mould
Block, the capacitor charge and discharge module and the inductance charge-discharge modules include:
Energy-storage travelling wave tube, by the energy-storage travelling wave tube charge waveforms figure arrange first group of indicator elment and by the energy-storage travelling wave tube
Second group of indicator elment of discharge waveform figure arrangement；
Charge-discharge modules, for being charged for the energy-storage travelling wave tube when receiving charging instruction, when receiving electric discharge instruction, for institute
State energy-storage travelling wave tube electric discharge；
Comparison module, for obtaining the corresponding virtual voltage of energy-storage travelling wave tube described in charging process or discharge process, by the reality
Border voltage is compared respectively with multiple reference voltages, corresponding to the reference voltage when comparison result meets indicated condition
Indicator elment sends indication signal；
Each indicator elment is used to when receiving the indication signal, is in the first instruction state, described when not receiving
Indication signal is in the second instruction state；
Energy-storage travelling wave tube in the capacitor charge and discharge module is capacitor, and the energy-storage travelling wave tube in the inductance charge-discharge modules is electricity
Sensor.
2. charging and discharging demonstration device according to claim 1, which is characterized in that the charge-discharge modules include voltage source,
Resistor and single-pole double-throw switch (SPDT)；
The voltage source is the energy-storage travelling wave tube when connecting for the non-moving end in the single-pole double-throw switch (SPDT) with the first moved end
Charging；
The resistor, for when the non-moving end of the single-pole double-throw switch (SPDT) is connected with the second moved end, being the energy storage
Component discharges.
3. charging and discharging demonstration device according to claim 2, which is characterized in that the voltage source includes the AA of multi-section serial
Battery.
4. charging and discharging demonstration device according to claim 2, which is characterized in that the voltage source includes lithium battery and boosting
Circuit.
5. charging and discharging demonstration device according to claim 1, which is characterized in that the comparison module includes three pieces LM324
Chip.
6. charging and discharging demonstration device according to claim 2, which is characterized in that the charging and discharging demonstration device further include:
Divider carries out partial pressure operation for the output voltage to the voltage source, to generate multiple reference voltages.
7. charging and discharging demonstration device according to claim 1, which is characterized in that the resistor is adjustable potentiometer.
8. charging and discharging demonstration device described in -7 any one according to claim 1, which is characterized in that the charging and discharging demonstration device
It further include the single pole multiple throw being connect with multiple concatenated energy-storage travelling wave tubes including multiple concatenated energy-storage travelling wave tubes.
9. charging and discharging demonstration device according to claim 8, which is characterized in that the indicator elment is light emitting diode.
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