CN112102695A - Ampere force experiment demonstration device - Google Patents
Ampere force experiment demonstration device Download PDFInfo
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- CN112102695A CN112102695A CN202011142441.7A CN202011142441A CN112102695A CN 112102695 A CN112102695 A CN 112102695A CN 202011142441 A CN202011142441 A CN 202011142441A CN 112102695 A CN112102695 A CN 112102695A
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- ampere
- electronic scale
- magnetic field
- demonstration device
- scale platform
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- G—PHYSICS
- 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
- G09B23/181—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism for electric and magnetic fields; for voltages; for currents
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Abstract
The invention is suitable for the technical field of teaching equipment, and provides an ampere force experiment demonstration device, which comprises: the upper surface of the electronic scale platform is provided with a mounting frame; a magnetic field region mounted on the mounting bracket for generating a magnetic field; the conductor bar is movably arranged in the magnetic field region, and current is formed in the conductor bar and ampere force is generated in the magnetic field; the gravity block is placed on the electronic scale platform and is connected with the gravity block through a pull wire; and the voice module is connected with the electronic scale platform and used for broadcasting the weighing information in real time. The invention has the advantages that: simple structure, convenient operation, good detection intuition and convenient popularization and implementation.
Description
Technical Field
The invention belongs to the technical field of teaching equipment, and particularly relates to an ampere force experiment demonstration device.
Background
With the development of society and the progress of science and technology, parents are more and more aware of the importance of education, the education intensity of the parents and schools is more and more strong, and the education demonstration instrument is particularly important because some physical and chemical phenomena need visual expression to be understood and accepted by students. Exploring ampere force is an important experiment in physics teaching in middle school. The course standard requires students to recognize the ampere force through experiments, learn to judge the direction of the ampere force and calculate the magnitude of the ampere force in the uniform magnetic field. Meanwhile, the physical classroom should embody the physical ideas of lattice object awareness and all things principle, accord with the cognitive rule from shallow to deep and cycle to gradual, experience the perceptual process of being personally on the scene and being as personally on the scene, stimulate and mobilize students to ask the root, trace the exploration spirit of the source, and peel off the body and taste layer by layer, and really look like a great wonderful feeling. Traditional laboratory glassware, its experimental principle that experimental phenomenon expresses is too audio-visual to be conveyed for the student, and is interesting enough not strong simultaneously yet.
Disclosure of Invention
The embodiment of the invention aims to provide an ampere force experiment demonstration device, and aims to solve the problem that demonstration is not intuitive.
The invention is thus realized, an ampere force experiment demonstration apparatus, comprising:
the upper surface of the electronic scale platform is provided with a mounting frame;
a magnetic field region mounted on the mounting bracket for generating a magnetic field;
the conductor bar is movably arranged in the magnetic field region, and current is formed in the conductor bar and ampere force is generated in the magnetic field;
the gravity block is placed on the electronic scale platform and is connected with the conductor bar through a pull wire;
and the voice module is connected with the electronic scale platform and used for broadcasting the weighing information in real time.
In the embodiment of the invention, a gravity block is placed on an electronic scale platform, the electronic scale platform is started, at the moment, a stay wire is in a tensioning state, a magnetic field area is started, and a conductor rod is in a power-on state, the electronic scale platform weighs the gravity block and can clean up a symmetrical amount, so that the weighing display is direct, current is generated in the conductor rod, the conductor rod forms an ampere force, the stay wire is pulled under the action of the ampere force, the stay wire pulls the gravity block, the force of the gravity block pressing down the electronic scale platform is changed, the gravity of the weighing gravity block of the electronic scale platform is changed, the electronic scale platform displays a weighing value, the ampere force test display is direct and visible, a student can understand the ampere force conveniently, the weighing information is broadcasted in real time through a voice module, the test result is changed more obviously, the attention of the student is attracted, and the interest of, making the test more obvious. The invention has the advantages that: simple structure, convenient operation, good detection intuition and convenient popularization and implementation.
Drawings
Fig. 1 is a perspective structural view of an ampere force experiment demonstration device provided in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an ampere force experiment demonstration device provided in an embodiment of the present invention;
fig. 3 is a schematic structural view of a supporting leg in an ampere force experiment demonstration apparatus provided in an embodiment of the present invention;
in the drawings: electronic scale platform 1, voice module 2, mounting bracket 3, magnetic field region 4, conductor bar 5, power connection 6, sliding tray 7, box body 8, handle 9, slide support 10, movable pulley 11, support frame 12, act as go-between 13, gravity piece 14, stabilizer blade 15, connecting wire 16, mount pad 17, threaded rod 18, rotating part 19, supporting legs 20.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
As shown in fig. 1-2, a structure diagram of an ampere force experiment demonstration apparatus provided in an embodiment of the present invention includes:
the upper surface of the electronic scale platform 1 is provided with a mounting frame 3;
a magnetic field region 4 mounted on the mounting frame 3 for generating a magnetic field;
a conductor bar 5 movably disposed inside the magnetic field region 4, which forms a current therein and generates an ampere force in the magnetic field;
the gravity block 14 is placed on the electronic scale platform 1 and is connected with the conductor bar 5 through a pull wire 13;
and the voice module 2 is connected with the electronic scale platform 1 and used for broadcasting the weighing information in real time.
In the embodiment of the invention, a gravity block 14 is placed on an electronic scale platform 1, the electronic scale platform 1 is started, at the moment, a pull wire 13 is in a tensioning state, a magnetic field area 4 is started, a conductor rod 5 is in a power-on state, the electronic scale platform 1 weighs the gravity block 14, the weighing can be cleaned, the weighing display is direct, current is generated in the conductor rod 5, so that the conductor rod 5 forms ampere force, the pull wire 13 is pulled under the action of the ampere force, the pull wire 13 pulls the gravity block 14, so that the force of the gravity block 14 pressing the electronic scale platform 1 is changed, the gravity of the gravity block 14 of the electronic scale platform 1 is changed, the electronic scale platform 1 displays the weighing value, the ampere force test display is direct, students can understand the ampere force conveniently, weighing information is broadcasted in real time through a voice module 2, so that the test result is changed more obviously, and the attention of students is attracted conveniently, the interestingness of the students is improved, and the test is more obvious.
In an example of the present invention, the electronic scale platform 1 may be an electronic scale, and is provided with a control display member for conveniently opening and closing the electronic scale platform 1 and displaying a weighing result, the mounting frame 3 may be fixed on an upper surface side wall of the electronic scale platform 1, the mounting frame 3 may be a plate-shaped structure for facilitating installation and support, the magnetic field region 4 is fixedly connected to the mounting frame 3, the magnetic field region 4 may be a permanent magnet or an electromagnet and may generate a uniform and parallel magnetic field for conveniently generating a uniform ampere force, the conductor bar 5 may be slidably disposed inside the magnetic field region 4 and provided with a reset member, and the reset member may enable the conductor bar 5 to be restored to an original position in a case where the ampere force disappears. The magnetic field area 4 can be arranged on the outer side or the inner side of the mounting frame 3, the pull wire 13 can be light thin cotton wire, the weight is light, the gravity is small, the influence interference is small, the elasticity of the cotton wire is small, and the force transmission is facilitated.
As a preferred embodiment of the invention, the conductor bar 5 is connected on the mounting frame 3 or the magnetic field area 4 through the connecting line 16 and interacts with the pull wire 13 to be in a suspension state, so that the friction force of the gravity block 14 is reduced, the connecting line 16 is in an inclined state and is matched with the pull wire 13, the component force of the connecting line 16 in the horizontal direction is opposite to the same direction of the pulling force of the pull wire 13, the component force of the connecting line 16 in the vertical direction is equal to the gravity of the conductor bar 5, so that the conductor bar 5 is in the suspension state, and when the ampere force disappears, the conductor bar returns to the original position under the action of the pulling force of the connecting line 16 and is connected through the connecting line 16, and the.
As a preferred embodiment of the present invention, the mounting frame 3 or the magnetic field region 4 is provided with a power connector 6, the power connector 6 is electrically connected to both ends of the conductor bar 5, and the power connector 6 is clamped on the power connector 6 by a power clip, so that the conductor bar 5 is connected to a power source, and thus, the power can be conducted conveniently and quickly. Of course, the conductor bar 5 can be directly connected with a power supply, and the current magnitude can be controlled by the controller.
As a preferred embodiment of the invention, the mounting frame 3 is fixedly connected with a sliding support 10, and the pull wire 13 can be steered through the sliding support 10, so that the pull wire 13 can pull the gravity block 14 conveniently and in a tensioned state and can be steered with the pull wire 13, and the pull of the gravity block 14 is convenient and quick. The sliding support 10 includes a support frame 12 and a sliding wheel 11, the support frame 12 is connected to the mounting frame 3, the sliding wheel 11 is rotatably connected to the support frame 12, and the pull wire 13 bypasses the sliding wheel 11, thereby performing support.
As a preferred embodiment of the invention, the box body 8 is detachably arranged on the electronic scale platform 1, the box body 8 covers the electronic scale platform 1, the pull wire 13 and the gravity block 14, the box body 8 is arranged to prevent sundries, air flow and the like from influencing the pull wire 13 and the gravity block 14, so that the detection safety and the interference are increased, and the box body 8 can be formed by combining a frame and a partition plate, so that the supporting stability of the box body 8 is increased. The isolation plate can be made of glass, transparent plastic and the like, so that the weighing condition of the electronic scale platform 1 can be observed conveniently. The box body 8 is fixedly provided with a handle 9, and the handle 9 is convenient for taking and placing the box body 8.
As a preferred embodiment of the invention, the mounting rack 3 is provided with a vertical sliding groove 7, the top of the sliding groove 7 is inserted into the mounting rack 3, the box body 8 is provided with a sliding strip, and when the box body 8 is covered on the electronic scale platform 1, the sliding strip is embedded into the sliding groove 7, so that the placing stability of the box body 8 is improved.
As shown in fig. 3, as another preferred embodiment of the present invention, support legs 15 are fixedly disposed at four corners of the bottom of the electronic scale platform 1, and the support legs 15 support the electronic scale platform 1, so as to increase the stability of the electronic scale platform 1.
As a preferred embodiment of the invention, the supporting leg 15 comprises an installation seat 17, a supporting leg 20, a rotating part 19 and a threaded rod 18, the rotating part 19 is connected to the threaded rod 18, threads in opposite directions are arranged on the threaded rod 18 on two sides of the rotating part 19, two ends of the threaded rod 18 are nested on the installation seat 17 and the supporting leg 20 in a matching mode, the rotating part 19 is screwed to enable the threaded rod 18 to rotate, so that the height of the supporting leg 15 is adjusted, the levelness of the support of the electronic scale platform 1 is adjusted, and the conductor bar 5 is prevented from being influenced by gravity deviation to test accuracy. The supporting leg 20 can be a truncated cone-shaped structure, so that the supporting area is increased, and the bottom of the supporting leg 20 is provided with an anti-slip layer, so that the supporting stability of the supporting leg 15 is improved.
The embodiment of the invention provides an ampere force experiment demonstration device, an electronic scale platform 1 displays a weighing value, so that the ampere force test display is directly visible, students can conveniently understand the ampere force, and weighing information is broadcasted in real time through a voice module 2, so that the test result is changed more obviously, the attention of the students is attracted, the interestingness of the students is improved, and the test is more obvious.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. An ampere-force experiment demonstration apparatus, characterized in that it comprises:
the upper surface of the electronic scale platform is provided with a mounting frame;
a magnetic field region mounted on the mounting bracket for generating a magnetic field;
the conductor bar is movably arranged in the magnetic field region, and current is formed in the conductor bar and ampere force is generated in the magnetic field;
the gravity block is placed on the electronic scale platform and is connected with the conductor bar through a pull wire;
and the voice module is connected with the electronic scale platform and used for broadcasting the weighing information in real time.
2. An ampere-force test demonstration device according to claim 1 wherein the conductor bars are connected by connecting wires and are in suspension in interaction with the pull wires.
3. An ampere-force experiment demonstration device according to claim 1, wherein a power connection is provided on the mounting bracket or the magnetic field region.
4. An ampere-force experiment demonstration device according to claim 1, wherein a sliding support for steering the stay wire is fixedly connected to the mounting bracket.
5. An ampere-force test demonstration device according to claim 4 wherein the sliding support includes a support frame and a sliding wheel, the support frame being attached to the mounting bracket and the sliding wheel being rotatably attached to the support frame.
6. An ampere-force experiment demonstration device according to claim 1, wherein a box is detachably mounted on the electronic scale platform, and covers the electronic scale platform, the pull wire and the gravity block.
7. An ampere-force experiment demonstration device according to claim 6, wherein the box body is formed by combining a frame and a partition plate.
8. An ampere force experiment demonstration device according to claim 6, wherein a vertical sliding groove is formed in the mounting frame, the top of the sliding groove is penetrated through the mounting frame, a sliding strip is arranged on the box body, and the sliding strip is detachably embedded into the sliding groove.
9. An ampere force experiment demonstration device according to any one of claims 1 to 8, wherein support legs are fixedly arranged at four corners of the bottom of the electronic scale platform.
10. The ampere-force experiment demonstration device according to claim 9, wherein the support leg comprises a mounting seat, a support leg, a rotating portion and a threaded rod, the rotating portion is connected to the threaded rod, threads in opposite directions are formed on the threaded rod on two sides of the rotating portion, two ends of the threaded rod are nested on the mounting seat and the support leg in a matched mode, and the rotating portion is screwed to enable the threaded rod to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011142441.7A CN112102695A (en) | 2020-10-23 | 2020-10-23 | Ampere force experiment demonstration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011142441.7A CN112102695A (en) | 2020-10-23 | 2020-10-23 | Ampere force experiment demonstration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112102695A true CN112102695A (en) | 2020-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011142441.7A Pending CN112102695A (en) | 2020-10-23 | 2020-10-23 | Ampere force experiment demonstration device |
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| CN (1) | CN112102695A (en) |
Citations (7)
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| US20110171967A1 (en) * | 2010-01-08 | 2011-07-14 | Samsung Electronics Co. Ltd. | Method and apparatus for requesting resource allocation in mobile communication terminal |
| CN202133458U (en) * | 2011-06-17 | 2012-02-01 | 广东宇星锑业有限公司 | Windshield of electronic balance |
| CN204990937U (en) * | 2015-09-14 | 2016-01-20 | 王鹏翔 | Multi -purpose presentation device of controllable ampere force directly perceived |
| CN207441251U (en) * | 2017-12-21 | 2018-06-01 | 天津市鼎立工贸有限公司 | A kind of novel and multifunctional instrument and meter leveling base |
| CN207439525U (en) * | 2017-11-23 | 2018-06-01 | 任中委 | Intelligent electronic-scale and intelligent electronic-scale system |
| CN109935142A (en) * | 2019-04-11 | 2019-06-25 | 王天权 | A kind of apparatus for demonstrating that can demonstrate different types of active force and reaction force |
| CN110716164A (en) * | 2019-11-28 | 2020-01-21 | 辽东学院 | Multifunctional magnetic force tester |
-
2020
- 2020-10-23 CN CN202011142441.7A patent/CN112102695A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110171967A1 (en) * | 2010-01-08 | 2011-07-14 | Samsung Electronics Co. Ltd. | Method and apparatus for requesting resource allocation in mobile communication terminal |
| CN202133458U (en) * | 2011-06-17 | 2012-02-01 | 广东宇星锑业有限公司 | Windshield of electronic balance |
| CN204990937U (en) * | 2015-09-14 | 2016-01-20 | 王鹏翔 | Multi -purpose presentation device of controllable ampere force directly perceived |
| CN207439525U (en) * | 2017-11-23 | 2018-06-01 | 任中委 | Intelligent electronic-scale and intelligent electronic-scale system |
| CN207441251U (en) * | 2017-12-21 | 2018-06-01 | 天津市鼎立工贸有限公司 | A kind of novel and multifunctional instrument and meter leveling base |
| CN109935142A (en) * | 2019-04-11 | 2019-06-25 | 王天权 | A kind of apparatus for demonstrating that can demonstrate different types of active force and reaction force |
| CN110716164A (en) * | 2019-11-28 | 2020-01-21 | 辽东学院 | Multifunctional magnetic force tester |
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Application publication date: 20201218 |
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| RJ01 | Rejection of invention patent application after publication |