CN210006314U

CN210006314U - magnetic detection device for physics experiments

Info

Publication number: CN210006314U
Application number: CN201920095598.5U
Authority: CN
Inventors: 杨昕
Original assignee: Pinghu Shanghua Plastic Industry Co Ltd
Current assignee: Pinghu Shanghua Plastic Industry Co Ltd
Priority date: 2019-01-21
Filing date: 2019-01-21
Publication date: 2020-01-31
Anticipated expiration: 2029-01-21

Abstract

The utility model discloses an magnetism detection device for physics experiments, comprises a workbench, electromagnetic conversion device and magnetic force induction device, the both ends of workstation all are fixed with the backup pad, be provided with electromagnetic conversion device between two backup pads, the middle part interlude of two backup pads has loop bars, the inherent iron ring of cover on the loop bar, the top of loop bar is provided with magnetic force induction device, beneficial effect is: through inserting between the backup pad and being equipped with the sleeve pipe, be used for fixed iron ring, be convenient for simultaneously change the iron ring of different footpaths according to the demand, have stronger regulation nature, through be provided with the spring tensiometer between slider and iron sheet, magnetic attraction when being used for detecting the electromagnetic conversion, be convenient for accurate audio-visual suction is shown out, through be provided with two magnetic force induction device on the second loop bar, be used for responding to the detection to the magnetic force in different position, be convenient for the contrast, be favorable to studying electromagnetic conversion law.

Description

magnetic detection device for physics experiments

Technical Field

The utility model relates to a physics experiment equipment technical field specifically is magnetism detection device for physics experiments.

Background

Experimental physics is relative to theoretical physics, which is a discipline for theoretically exploring the basic laws of material structure, interaction and material motion unknown in nature, and is an important discipline of in high school teaching, and teachers usually demonstrate the principles of object motion trend and interaction by using equipment during teaching, especially electromagnetic knowledge, the principles of which are abstract, and usually demonstrate the conversion relationship between magnetic force and electricity by using a magnetic detection device during teaching.

The magnetism detection device function list that uses at present, the adjustability is relatively poor, is not convenient for directly show the testing data, and the testing data is directly perceived inadequately, and is difficult to the accurate change relation of drawing size when contrasting out the number of winding turns, detects not comprehensive enough.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing magnetic detection devices for physical experiments aiming at the problems existing at present.

In order to realize the purpose, the utility model discloses a technical scheme is:

kind of magnetism detection device for physics experiments, including the workstation of rectangle structure, the electromagnetism conversion equipment and the magnetic force induction system of rectangle structure, the both ends of workstation all are fixed with the backup pad, two be provided with between the backup pad electromagnetism conversion equipment, electromagnetism conversion equipment includes loop bar, iron ring, battery, switch, ampere meter and adjustable resistance, two the middle part interlude of backup pad has the loop bar, it is inherent to overlap on the loop bar the iron ring for fix the iron ring between the backup pad, the below of iron ring just is located from left to right be fixed with in proper order on the workstation the battery switch the ampere meter and adjustable resistance for adjustment electric current and resistance, the top of loop bar is provided with magnetic force induction system, magnetic force induction system includes the iron sheet of second loop bar, slider, spring tensiometer and square structure, the top of second loop bar just is located two be fixed with between the backup pad bar, slidable two on the second loop bar the slider is equipped with the slider, the slider of being convenient for the slider, the equal slip of spring is equipped with the attraction of lacing wire rope-tie up the bottom of the attraction is used for the equal attraction of the attraction.

Preferably, a winding post is fixed to the work table on the side of of the battery, and an electric wire is wound around the winding post.

Preferably, the end of the wire is wound around the iron ring and connected to the negative end of the adjustable resistor.

Preferably, the other end of the wire is connected to the positive electrode of the storage battery, and the negative electrode of the storage battery is connected in series with the power switch, the ammeter and the adjustable resistor through a wire.

Preferably, the workbench is provided with a recording plate, and four corners of the bottom of the workbench are respectively fixed with a rubber pad.

Preferably, the th loop bar and the second loop bar are both made of rubber materials.

Due to the adoption of the technical scheme, the beneficial effects of the utility model are that through inserting between the backup pad and being equipped with the sleeve pipe for fixed iron ring, be convenient for change the iron ring of different footpaths according to the demand simultaneously, have stronger regulation nature, through be provided with the spring tensiometer between slider and iron sheet, magnetic attraction when being used for detecting electromagnetic conversion, be convenient for accurate audio-visual presents suction, through be provided with two magnetic force induction system on the second loop bar, be used for responding to the detection to the magnetic force in different position, the contrast of being convenient for, be favorable to studying the electromagnetic conversion law.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

In the drawing, 1, a workbench, 2, a support plate, 3, th loop bars, 4, an iron ring, 5, a winding post, 6, a storage battery, 7, a power switch, 8, an ammeter, 9, an adjustable resistor, 10, an electric wire, 11, a second loop bar, 12, a sliding block, 13, a spring tension meter, 14, a binding rope, 15, an iron sheet, 16, a recording plate, 17 and a rubber pad.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are partial embodiments of the present invention , rather than all embodiments, and all other embodiments obtained by a person having ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Please refer to fig. 1, the utility model provides an technical scheme, magnetism detection device for physics experiments, workstation 1 including the rectangle structure, the electromagnetic conversion device and the magnetic force induction device of rectangle structure, both ends of workstation 1 all are fixed with backup pad 2, play the supporting role, be provided with the electromagnetic conversion device between two backup pads 2, the electromagnetic conversion device includes loop bar 3, iron ring 4, battery 6, switch 7, ampere meter 8 and adjustable resistance 9, second loop bar 3 has been cross-inserted at the middle part of two backup pads 2, the inherent iron ring 4 of cover on loop bar 3, be used for letting in electric current and produce magnetic force, the below of iron ring 4 and be located workstation 1 from left to right be fixed with battery 6 in proper order, switch 7, ampere meter 8 and adjustable resistance 9, form closed circuit, be convenient for adjustment electric current and resistance simultaneously, the top of loop bar 3 is provided with the magnetic force induction device, the magnetic force induction device includes second loop bar 11, slider 12, spring tensiometer 13 and square structure's iron sheet 15, the fixed iron sheet 15 that the top of second loop bar is located the fixed slider 2 and the slider 12 is equipped with the slider that the slider 12 that the sliding force detection has all been used for the slider bottom sliding force detection through the slider 12, the slider 12 is connected with the slider that the fixed of the slider that the slider is equipped with the slider that the sliding rope.

Preferably, a winding post 5 is fixed on the workbench 1 at the side of the storage battery 6, and an electric wire 10 is wound on the winding post 5 for winding up an excess electric wire, so as to avoid the electric wire from being arranged in disorder.

Preferably, the end of the wire 10 is wound around the iron ring 4 and connected to the negative terminal of the adjustable resistor 9 to facilitate adjustment of the resistance in the circuit.

Preferably, the other end of the wire 10 is connected to the positive electrode of the battery 6, and the negative electrode of the battery 6 is connected in series with the power switch 7, the ammeter 8 and the adjustable resistor 9 through the provided wires to form a closed circuit.

Preferably, the workbench 1 is provided with a recording plate 16, and four corners of the bottom of the workbench 1 are respectively fixed with a rubber pad 17 to prevent the workbench 1 from shaking.

Preferably, the sleeve rod 3 and the second sleeve rod 11 are made of rubber materials, and have light weight, smooth surface and no influence on magnetism.

In this embodiment, the operation process of the magnetic detection device is as follows:

and , connecting the end of the wire 10 to the negative electrode of the adjustable resistor 9, and winding the other end of the wire 10 on the iron coil 4, wherein the wire can be uniformly wound during winding, or the wire can be wound in a state that the end coil is compact and the end coil gap is large according to requirements.

And step two, after the coil is wound, winding the redundant electric wire 10 on the winding post 5 for fixing, and connecting the other end of the electric wire 10 to the positive end of the storage battery 6.

Step three: the storage battery 6, the power switch 7, the ammeter 8 and the adjustable resistor 9 are connected in series through conducting wires to form a closed circuit.

Step four: the power switch 7 is pressed down to supply power to the electric wire 10, the iron ring 4 has magnetism according to the electromagnetic conversion principle, then the sliding blocks 12 are respectively slid to drive the iron sheet 15 to transversely move above the iron ring 4, the iron ring 4 pulls the iron sheet 15 to the iron ring 4 through self attraction, the spring tension meter 13 detects the tension in real time and visually presents the tension, the position of the iron sheet 15 is adjusted through the sliding blocks 12 to detect the magnetic force, the operation is simple and direct, and the data are visual.

Step five: the data detected by the spring tension meter 13 are written on the recording plate 16, the current is adjusted through the adjustable resistor 9, the magnetic force under different currents is detected, the magnetic force generated in different sizes is detected by replacing the iron ring 4, the data are recorded, and the rules among the magnetic force, the current, the resistor and the winding density are conveniently summarized.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1, magnetism detection device for physics experiments, including workstation (1) of rectangle structure, the electromagnetism conversion device and the magnetic force induction system of rectangle structure, its characterized in that the both ends of workstation (1) all are fixed with backup pad (2), two be provided with between backup pad (2) electromagnetism conversion device, electromagnetism conversion device includes that the middle part of backup pad (2) alternates there is second loop bar (3), it is inherent to overlap on second loop bar (3) iron ring (4), the below of iron ring (4) just is located be fixed with in proper order on workstation (1) battery (6), switch (7), ammeter (8) and adjustable resistance (9), the top of 539 2 loop bar (3) is provided with the magnetic force induction system, the magnetic force induction system includes second loop bar (11), slider (12), square structure's the slider (13) is equipped with through the second spring tie bar (11) the spring position 15) the slider (13) is equipped with from left to right between the second sliding force meter (13) the slider (11) the slider (15) and the slider (13) is equipped with the slider of second spring tie bar (11) and the slider (13) is located on the slider.

2. The magnetic detecting device for kinds of physical experiments, according to claim 1, wherein a winding post (5) is fixed on the working table (1) at side of the battery (6), and an electric wire (10) is wound on the winding post (5).

3. The kind of magnetic detector for physics experiments according to claim 2, wherein the end of the wire (10) is wound around the iron ring (4) and connected to the negative terminal of the adjustable resistor (9).

4. The magnetic detector for physics experiments according to claim 3, wherein the other end of the wire (10) is connected to the positive pole of the battery (6), and the negative pole of the battery (6) is connected in series with the power switch (7), the ammeter (8) and the adjustable resistor (9) through the wires.

5. The kind of magnetism detecting devices for physical experiments as claimed in claim 1, wherein the workbench (1) is provided with a recording plate (16), and rubber pads (17) are fixed at four corners of the bottom of the workbench (1).

6. The magnetic detector for physics experiments as claimed in claim 1, wherein the sleeve rod (3) and the second sleeve rod (11) are made of rubber material.