CN219180081U

CN219180081U - Ampere force experimental device

Info

Publication number: CN219180081U
Application number: CN202223082828.5U
Authority: CN
Inventors: 和法鹏; 杨荣志; 丁振金
Original assignee: Jiangsu Xindetong Technology Co ltd
Current assignee: Jiangsu Xindetong Technology Co ltd
Priority date: 2022-11-21
Filing date: 2022-11-21
Publication date: 2023-06-13
Anticipated expiration: 2032-11-21

Abstract

The utility model relates to the technical field of experimental equipment and discloses an ampere force experiment device, which comprises a base, wherein a round hole is formed in the middle of the base, a turntable bearing seat is arranged at the position, corresponding to the round hole, of the top of the base, a degree label is arranged at the top of the inner ring part of the turntable bearing seat, strong magnetic assemblies are arranged at two sides of the top of the outer ring part of the turntable bearing seat, and the inner ring part of the turntable bearing seat is fixed at the top of the base. The utility model can form uniform magnetic field through the two strong magnetic components, and can conveniently explore the relation between the number of turns of the coil, the length L of the conductor, the current flowing through the coil and the angle and ampere force obtained by rotating the coil through the rotation of the two strong magnetic components, the selection of the connecting coil and the change of the current.

Description

Ampere force experimental device

Technical Field

The utility model relates to the technical field of experimental equipment, in particular to an ampere force experimental device.

Background

In the current high school experiment teaching, the experiment device for digitally exploring ampere force is limited, and the experiment teaching for ampere force is in a stage that only experimental phenomena can be observed, but quantitative analysis can not be carried out. Moreover, ampere force under various conditions such as different wire lengths, different angles, different currents and the like is difficult to explore; this approach affects the student's deep understanding of the ampere force formula and reduces the teaching quality.

Disclosure of Invention

The utility model aims to provide an ampere force experiment device for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the ampere force experiment device comprises a base, wherein a round hole is formed in the middle of the base, a turntable bearing seat is arranged at the position, corresponding to the round hole, of the top of the base, a degree label is arranged at the top of the inner ring part of the turntable bearing seat, strong magnetic assemblies are arranged on two sides of the top of the outer ring part of the turntable bearing seat, and the inner ring part of the turntable bearing seat is fixed at the top of the base;

the strain gauge comprises a base, and is characterized by further comprising a fixing piece and a strain gauge, wherein the strain gauge is fixed on one side of the fixing piece, a tray is installed at one end of the top of the strain gauge, a winding coil is fixedly installed at the top of the tray, the fixing piece and the hard surface piece are both arranged in the base, and the winding coil is arranged at a round hole part in the middle of the base;

the base is provided with two binding posts, the base is internally provided with a force PCB, and the strain gauge is arranged on the force PCB.

As a preferred embodiment of the present utility model, a data transmission interface is further included.

As a preferred embodiment of the present utility model, the data transmission interface is a TYPE-C interface.

As a preferable implementation mode of the utility model, the strong magnetic component is connected with the outer ring part of the turntable bearing seat through an acrylic base plate.

In a preferred embodiment of the present utility model, the acryl pad is transparent.

Compared with the prior art, the utility model provides an ampere force experiment device, which has the following beneficial effects:

the ampere force experimental device can form a uniform magnetic field through the two strong magnetic components, and can conveniently explore the relation between the number of turns of the coil, the length L of a conductor, the current flowing through the coil, the angle obtained by rotating the coil and the ampere force through the rotation of the two strong magnetic components, the selection of the connecting coil and the change of the current.

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:

FIG. 1 is a front view of an amperage tester of the present utility model;

FIG. 2 is an exploded view of an Ampere force tester according to the present utility model;

fig. 3 is a circuit diagram of a first and second circuit of a binding post of an ampere force tester according to the present utility model.

In the figure: 1. a base; 2. a turntable bearing seat; 3. degree label; 4. a ferromagnetic component; 5. a fixing member; 6. a strain gage; 7. a tray; 8. winding the coil; 9. binding posts; 10. force PCB board; 11. a data transmission interface; 12. an acrylic backing plate; 13. a bottom plate; 14. a second binding post; 15. a switch; 16. a second switch; 17. a coil.

Detailed Description

For a better understanding of the objects, structure and function of the utility model, an amperage tester according to the utility model will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 and 2, the present utility model provides a technical solution: the ampere force experiment device comprises a base 1, wherein the base 1 is in a cavity shape, the bottom of the base 1 is an opening and is arranged on a bottom plate 13, a round hole is formed in the middle of the base 1, a turntable bearing seat 2 is arranged at the position corresponding to the round hole at the top of the base 1, a degree label 3 is arranged at the top of the inner ring part of the turntable bearing seat 2, strong magnetic assemblies 4 are arranged at two sides of the top of the outer ring part of the turntable bearing seat 2, the inner ring part of the turntable bearing seat 2 is fixed at the top of the base 1, and the outer ring of the turntable bearing seat can drive the strong magnetic assemblies 4 to rotate;

the strain gauge comprises a base 1, and is characterized by further comprising a fixing piece 5 and a strain gauge 6, wherein the strain gauge 6 is fixed on one side of the fixing piece 5, a tray 7 is installed at one end of the top of the strain gauge 6, a winding coil 8 is fixedly installed at the top of the tray 7, the fixing piece 5 and the strain gauge 6 are both arranged in the base 1, and the winding coil 8 is arranged at a round hole part in the middle of the base 1;

the base 1 is provided with a switch 15, a first binding post 9 and a second binding post 14, the first binding post 9 is in a red rubber socket with the specification of 4mm and is used for being connected with an external direct-current power supply positive electrode, the inside of the first binding post is connected with one end of a winding coil 8, the second binding post 14 is externally connected with a direct-current power supply negative electrode, the other end of the winding coil 8 is internally connected with the other end of the winding coil 8, the base 1 is internally provided with a force PCB 10, a strain gauge 6 is arranged on the force PCB 10, the strain gauge 6 is used as a probe and can transmit a force signal to the force PCB 10, the force PCB 10 is connected with a computer and can transmit the signal to the computer to display data on the computer, and the first binding post 9 and the second binding post 14 are used for supplying power to the winding coil 8;

the experimental device is mainly designed for exploring the influence factors of ampere force: the ampere force is calculated by the following formula:

F＝nBILcosθ

the coil 8 is formed by three parts, and comprises two turns of coils 17 (300 turns and 600 turns respectively) and a second switch 16, wherein the first terminal 9 is electrically connected with the second switch 16 through the second switch 15, the output of the second switch 16 can be selectively connected with any one of the coils 17, the other end of the coil is electrically connected with the second terminal 14, the relation between ampere force and turns can be obtained by selecting different turns of the two coils in combination with actual acting force measured by the strain gauge 6 in experiments, namely n (turns) can be verified through different turns of the coils; the change of the current I can be changed by changing an external power supply, and the measurement of the relation of the current intensity I by externally connecting a current sensor can be assisted; lcos θ changes data by rotating the coil to verify the relationship of nB (constant value) ILcos θ

In this embodiment, the device further includes a data transmission interface 11, where the data transmission interface 11 is used for externally connecting a device to output the force sensor.

In this embodiment, the data transmission interface 11 is a TYPE-C interface, and the TYPE-C interface is connected to the force PCB 10 for data transmission.

In this embodiment, the ferromagnetic component 4 is connected to the outer ring of the turntable bearing seat 2 through an acryl cushion plate 12.

In this embodiment, the acryl cushion plate 12 is transparent.

It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. An ampere force experiment device, includes base, its characterized in that: the middle part of the base is provided with a round hole, a turntable bearing seat is arranged at the position, corresponding to the round hole, of the top of the base, a degree label is arranged at the top of the inner ring part of the turntable bearing seat, strong magnetic assemblies are arranged at two sides of the top of the outer ring part of the turntable bearing seat, and the inner ring part of the turntable bearing seat is fixed at the top of the base;

the strain gauge comprises a base, and is characterized by further comprising a fixing piece and a strain gauge, wherein the strain gauge is fixed on one side of the fixing piece, a tray is installed at one end of the top of the strain gauge, a winding coil is fixedly installed at the top of the tray, the fixing piece and the strain gauge are both arranged in the base, and the winding coil is arranged at a round hole part in the middle of the base;

2. An amperage tester as defined in claim 1, wherein: a data transmission interface is also included.

3. An amperage tester as defined in claim 2, wherein: the data transmission interface is a TYPE-C interface.

4. An amperage tester as defined in claim 1, wherein: the strong magnetic component is connected with the outer ring part of the turntable bearing seat through an acrylic base plate.

5. An amperage tester as defined in claim 4, wherein: the acrylic backing plate is transparent.