CN208908096U - It is a kind of for physics single pendulum and the electronic device of electromagnetic motion teaching demonstration - Google Patents

Abstract

The utility model discloses a kind of for physics single pendulum and the electronic device of electromagnetic motion teaching demonstration, including pedestal, move swing rod and bracket, the chassis interior bottom end installation is cored, magnet driver coil is set on the iron core, the chassis interior top is separately installed with alarm and voice module, power module, core control devices and sub-controlling unit, the base upper surface is equipped with sliding rail, the bracket bottom end is welded on base upper surface, the frame upper is fixed with fixed link, described fixed link one end is equipped with pivot angle indication dial disc, swing rod support shaft is installed below the fixed link, swing rod support shaft one end is connect with movement swing rod, the movement swing rod and swing rod support shaft connection place are equipped with angular transducer.The advantages of the utility model has accurate setting, adjustment, display cycle, and the parameters such as angle and pendulum length facilitate the Quantitative experimental study for realizing single pendulum, ocular demonstration for electromagnetic conversion and electromagnetic motion.

Description

It is a kind of for physics single pendulum and the electronic device of electromagnetic motion teaching demonstration

Technical field

The utility model relates to teaching experiments and Proof-Of Principle technical field, specially a kind of to be used for physics single pendulum and electricity The electronic device of magnetic movement teaching demonstration.

Background technique

Physics is to study the subject of motion of matter universal law and substance basic structure, theoretical just using experiment as inspection The sole criterion of true property, existing physics single pendulum demonstration apparatus is manual control operation, is suitable for qualitatively testing, and for The physical parameters such as period, the angle of pendulum can not be accurately arranged, so affect accordingly study deeply and relevant issues it is accurate It calculates, and not can be carried out the ocular demonstration of electromagnetic conversion and electromagnetic motion.

Utility model content

The purpose of this utility model is to provide a kind of for physics single pendulum and the electronics of electromagnetic motion teaching demonstration Device while having single pendulum demonstration, can accurately be arranged, adjust, the display cycle, the parameters such as angle and pendulum length, Ke Yifang Just the Quantitative experimental study of single pendulum is realized, for the ocular demonstration of electromagnetic conversion and electromagnetic motion, making electric and magnetic fields, these are seen Lose the advantages of impalpable substance is come out by the lively demonstration of device, solve the physical parameters such as period, the angle of pendulum without Method is accurately arranged, and then affects deeply accurately calculating with relevant issues of accordingly studying, not can be carried out electromagnetic conversion and electricity The problem of ocular demonstration of magnetic movement.

To achieve the above object, the utility model provides the following technical solutions: one kind is transported for physics single pendulum and electromagnetism Cored, institute is installed in the electronic device of dynamic teaching demonstration, including pedestal, movement swing rod and bracket, the chassis interior bottom end It states and is set with magnet driver coil on iron core, chassis interior top four corners are separately installed with alarm and voice mould Block, power module, core control devices and sub-controlling unit, the base front surface side are equipped with light-emitting diode display, the bottom The positive other side of seat is equipped with input matrix keyboard, and the pedestal side is equipped with power switch, the power switch side peace Equipped with AC power interface, the base upper surface is equipped with sliding rail, and the bracket bottom end is welded in base upper surface rear end Between, the frame upper is fixed with fixed link, and the fixed link is equipped with pivot angle indication dial disc, institute away from one end of bracket It states and offers scale on pivot angle indication dial disc, swing rod support shaft, the swing rod support shaft back are installed below the fixed link One end and movement swing rod rotation connection from bracket, the movement swing rod and swing rod support shaft connection place are equipped with angle sensor Device, the movement swing rod top are equipped with pivot angle pointer, and the movement swing rod bottom end is equipped with magnet, the magnet driver Coil output is electrically connected with angular transducer input terminal, the angular transducer, input matrix keyboard, power module and auxiliary Control device output end is electrically connected with core control devices input terminal, the core control devices output end and light-emitting diode display and Alarm is electrically connected with voice module input terminal.

Preferably, the magnet driver number of coils is two, and two magnet driver coils are with iron core axis Line is symmetrical.

Preferably, the sliding rail length is consistent with base length.

Preferably, the base front surface is inclined surface.

Preferably, the swing rod support shaft is adapted with movement swing rod.

Compared with prior art, the beneficial effects of the utility model are as follows:

1, the utility model has reached accurate setting, adjustment, display by setting input matrix keyboard and light-emitting diode display The effect of the parameters such as period, angle and pendulum length, the utility model are provided with input matrix keyboard and light-emitting diode display, device work When making, by the digital key input number on input matrix keyboard, 0-9 totally 10 kinds of operating modes are corresponded to, into corresponding Working mould Formula inputs relevant parameter from input matrix keyboard, and press acknowledgement key according to prompt, and system then starts to ring according to Pattern completion Function is answered, is such as swung by fixed angle, is swung with a constant period, embody various data on light-emitting diode display, it is convenient Viewing.

2, the utility model has reached the effect of the ocular demonstration for electromagnetic conversion and electromagnetic motion by setting sliding rail Fruit, the utility model is provided with sliding rail, and after device is powered, iron core and magnet driver coil are powered and generate magnetic force, will be used for Electromagnetic planar moves back and forth object and places on the slide rail, under the action of the magnetic force of iron core and magnet driver coil, object It realizes and moves back and forth on the slide rail, making electric and magnetic fields, these are not seen impalpable substance and are gone out by the lively demonstration of device Come.

3, the utility model has achieved the effect that accurate display swing angle, this reality by setting pivot angle indication dial disc It is provided with pivot angle indication dial disc with novel, corresponding parameter is arranged by input matrix keyboard, movement swing rod is made to do single pendulum fortune Dynamic, pivot angle pointer is moved with movement swing rod, and pivot angle pointer indicates on pivot angle indication dial disc, observes scale, can be intuitive Obtain the angle-data of simple harmonic motion.

Detailed description of the invention

Fig. 1 is the schematic view of the front view of the utility model；

Fig. 2 is the right side structural representation of the utility model；

Fig. 3 is the chassis interior overlooking structure diagram of the utility model；

Fig. 4 is the electric connection figure of the utility model.

In figure: 1- pedestal；2- sliding rail；3- magnet；4- moves swing rod；5- angular transducer；6- pivot angle pointer；7- pivot angle refers to Show dial；8- bracket；9- scale；10- input matrix keyboard；11-LED display；12- fixed link；13- swing rod support shaft； 14- AC power interface；15- power switch；16- alarm and voice module；17- magnet driver coil；18- power supply mould Block；19- core control devices；20- iron core；21- sub-controlling unit.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

A kind of embodiment provided by the utility model referring to FIG. 1 to FIG. 4: one kind is transported for physics single pendulum and electromagnetism The electronic device of dynamic teaching demonstration, including pedestal 1, movement swing rod 4 and bracket 8,1 inner bottom of pedestal installation cored 20, Magnet driver coil 17 is set on iron core 20,17 quantity of magnet driver coil is two, two solenoid actuateds Device coil 17 is symmetrical with 20 central axes of iron core, 1 inner tip four corners of pedestal be separately installed with alarm and voice module 16, Power module 18, core control devices 19 and sub-controlling unit 21,1 front of pedestal are inclined surface, the positive side installation of pedestal 1 There is light-emitting diode display 11, the positive other side of pedestal 1 is equipped with input matrix keyboard 10, and the utility model is provided with input matrix key Disk 10 and light-emitting diode display 11, when device works, by digital key input on input matrix keyboard 10 number, corresponding 0-9 totally 10 Kind operating mode, according to prompt, inputs relevant parameter from input matrix keyboard 10, and press confirmation into corresponding operating mode Key, system then start such as to swing by fixed angle according to Pattern completion response function, swing with a constant period, show in LED Various data are embodied on device 11, facilitate viewing, 1 side of pedestal is equipped with power switch 15,15 side of power switch peace Equipped with AC power interface 14,1 upper surface of pedestal is equipped with sliding rail 2, and 2 length of sliding rail is consistent with 1 length of pedestal, this is practical new Type is provided with sliding rail 2, and after device is powered, iron core 20 and magnet driver coil 17 are powered and generate magnetic force, will be used for electromagnetism and put down Face moves back and forth object and is placed on sliding rail 2, and under the action of the magnetic force of iron core 20 and magnet driver coil 17, object exists It realizes and moves back and forth on sliding rail 2, making electric and magnetic fields, these are not seen impalpable substance and are come out by the lively demonstration of device, 8 bottom end of bracket is welded on 1 upper surface rear end middle of pedestal, and 8 top of bracket is fixed with fixed link 12, and fixed link 12 deviates from bracket 8 one end is equipped with pivot angle indication dial disc 7, and the utility model is provided with pivot angle indication dial disc 7, passes through input matrix keyboard The 10 corresponding parameters of setting, make movement swing rod 4 do simple harmonic motion, and pivot angle pointer 6 is moved with movement swing rod 4, and pivot angle pointer 6 refers to Show on pivot angle indication dial disc 7, observes scale 9, can intuitively obtain the angle-data of simple harmonic motion, pivot angle indicating graduation Offer scale 9 on disk 7, swing rod support shaft 13 be installed below fixed link 12, swing rod support shaft 13 away from bracket 8 one end with It moves swing rod 4 to be rotatablely connected, swing rod support shaft 13 is adapted with movement swing rod 4, movement swing rod 4 and 13 junction of swing rod support shaft Angular transducer 5 is installed, angular transducer 5 uses SSA03XXU2-V005 model, which surveys with twin shaft Amount, measurement accuracy is high, the moderate advantage of range, and movement 4 top of swing rod is equipped with pivot angle pointer 6, and movement 4 bottom end of swing rod is equipped with Magnet 3,17 output end of magnet driver coil are electrically connected with 5 input terminal of angular transducer, angular transducer 5, input matrix Keyboard 10, power module 18 and 21 output end of sub-controlling unit are electrically connected with 19 input terminal of core control devices, core control 19 output end of device is electrically connected with light-emitting diode display 11 and alarm with 16 input terminal of voice module.

Working principle: in utility model works, AC power interface 14 connects 220V power supply, turns on the power switch 15, more The work of road DC power supply, exports each road DC power supply, and system enters self-test, and when the system is normal, alarm is mentioned with voice module 16 Show that system is normal, by digital key input on input matrix keyboard 10 number, corresponding 0-9 totally 10 kinds of operating modes, into pair Operating mode is answered, inputs relevant parameter from input matrix keyboard 10, and press acknowledgement key, system then starts to ring according to Pattern completion Function is answered, it is more preferable compared to traditional product.

It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting Related claim.

Claims (5)

1. it is a kind of for physics single pendulum and the electronic device of electromagnetic motion teaching demonstration, including pedestal (1), movement swing rod (4) and bracket (8), it is characterised in that: pedestal (1) inner bottom installs cored (20), is set on the iron core (20) Have magnet driver coil (17), pedestal (1) the inner tip four corners be separately installed with alarm and voice module (16), Power module (18), core control devices (19) and sub-controlling unit (21), the positive side of the pedestal (1) are equipped with LED Display (11), the positive other side of the pedestal (1) are equipped with input matrix keyboard (10), and pedestal (1) side is equipped with Power switch (15), power switch (15) side are equipped with AC power interface (14), pedestal (1) the upper surface installation Have sliding rail (2), bracket (8) bottom end is welded on pedestal (1) upper surface rear end middle, and bracket (8) top is fixed with Fixed link (12), the fixed link (12) are equipped with pivot angle indication dial disc (7) away from the one end of bracket (8), and the pivot angle refers to Show and offer scale (9) on dial (7), is equipped with swing rod support shaft (13) below the fixed link (12), the swing rod branch It supports axis (13) to be rotatablely connected away from the one end of bracket (8) and movement swing rod (4), the movement swing rod (4) and swing rod support shaft (13) junction is equipped with angular transducer (5), and movement swing rod (4) top is equipped with pivot angle pointer (6), the movement pendulum Bar (4) bottom end is equipped with magnet (3), magnet driver coil (17) output end and angular transducer (5) input terminal electricity Connection, the angular transducer (5), input matrix keyboard (10), power module (18) and sub-controlling unit (21) output end It is electrically connected with core control devices (19) input terminal, core control devices (19) output end and light-emitting diode display (11) and report Police is electrically connected with voice module (16) input terminal.

2. it is according to claim 1 a kind of for physics single pendulum and the electronic device of electromagnetic motion teaching demonstration, Be characterized in that: magnet driver coil (17) quantity is two, and two magnet driver coils (17) are with iron core (20) central axes are symmetrical.

3. it is according to claim 1 a kind of for physics single pendulum and the electronic device of electromagnetic motion teaching demonstration, Be characterized in that: sliding rail (2) length is consistent with pedestal (1) length.

4. it is according to claim 1 a kind of for physics single pendulum and the electronic device of electromagnetic motion teaching demonstration, Be characterized in that: pedestal (1) front is inclined surface.

5. it is according to claim 1 a kind of for physics single pendulum and the electronic device of electromagnetic motion teaching demonstration, Be characterized in that: the swing rod support shaft (13) is adapted with movement swing rod (4).