CN211742420U - Theoretical mechanics teaching aid - Google Patents
Theoretical mechanics teaching aid Download PDFInfo
- Publication number
- CN211742420U CN211742420U CN202020690529.1U CN202020690529U CN211742420U CN 211742420 U CN211742420 U CN 211742420U CN 202020690529 U CN202020690529 U CN 202020690529U CN 211742420 U CN211742420 U CN 211742420U
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- sliding plate
- teaching aid
- motion sensor
- data display
- fixed
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Abstract
The utility model belongs to the technical field of mechanics teaching aids and discloses a theoretical mechanics teaching aid.A data display is connected to the right side glue at the bottom in a teaching aid box; the left side is connected with a test article storage box through glue, and the right middle position is connected with a sliding plate; an infrared sensor is fixed at the top end of the left side of the sliding plate, a motion sensor is fixed at the bottom of the right side of the sliding plate, a protractor is fixed in front of the motion sensor, and a pointer is arranged on the protractor; the top of the teaching aid box is provided with a handle; the data display passes through the fixed sleeve and the inner groove of the sliding plate through a lead and is connected with the infrared sensor, and the data display passes through the fixed sleeve through a lead and is connected with the motion sensor. The utility model discloses the angle of sliding plate can be detected to the protractor that sets up, provides basic data for the teaching process to kinetic energy, momentum, speed, process acceleration and theoretical frictional force data through the data display demonstration can fuse kinematics knowledge, improve the student to each kinetic parameter's understanding, and improve student's interest in learning.
Description
Technical Field
The utility model belongs to the technical field of the mechanics teaching aid, especially, relate to a theoretical mechanics teaching aid.
Background
At present, inside the course of theoretical mechanics of universities, kinematics is the basis of learning dynamics. Because of the abstract nature of the learning content, students often feel boring and abstract and are difficult to combine knowledge, the corresponding kinematics teaching aids are rare, and only mechanics teaching aids belong to laboratory test articles in schools and cannot be used for conventional teaching.
Through the above analysis, the problems and defects of the prior art are as follows:
(1) the existing kinematics teaching aid is only used for laboratory tests and cannot be used for conventional teaching;
(2) the existing kinematics teaching aid can only carry out experimental teaching on single knowledge, and can not combine all knowledge points of kinematics for teaching.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems existing in the prior art, the utility model provides a theoretical mechanics teaching aid.
The utility model discloses a realize like this, a theoretical mechanics teaching aid, theoretical mechanics teaching aid is provided with:
a teaching aid box;
the right side of the bottom in the teaching aid box is connected with a data display by glue; the left side is connected with a test article storage box through glue, and the right middle position is connected with a sliding plate; an infrared sensor is fixed at the top end of the left side of the sliding plate, a motion sensor is fixed at the bottom of the right side of the sliding plate, a protractor is fixed in front of the motion sensor, and a pointer is arranged on the protractor; the top of the teaching aid box is provided with a handle.
Furthermore, the data display passes through the fixed sleeve and the inner groove of the sliding plate through a lead and is connected with the infrared sensor, and the data display passes through the fixed sleeve through a lead and is connected with the motion sensor.
Furthermore, the end parts of the sliding plate and the motion sensor are connected with the rotating shaft, and the end part of the sliding plate is connected with the pointer through hard metal.
Furthermore, the infrared sensor is perpendicular to the top of the sliding plate, and the motion sensor is perpendicular to the bottom of the sliding plate.
Furthermore, the bottom central point puts and is provided with electric telescopic handle in the teaching aid incasement, and electric telescopic handle's top is connected the sliding plate.
Furthermore, the back of the sliding plate is provided with a guide rail, a sliding block is connected in the guide rail, and a connecting ring is arranged on the sliding block.
Combine foretell all technical scheme, the utility model discloses the advantage that possesses and positive effect are:
first, the effect and advantage of the ownership: the utility model discloses the angle of sliding plate can be detected to the protractor that sets up, provides basic data for the teaching process to kinetic energy, momentum, speed, process acceleration and theoretical frictional force data through the data display demonstration can fuse kinematics knowledge, improve the student to each kinetic parameter's understanding, and improve student's interest in learning.
Second, technical effects and advantages from the right:
the utility model discloses the inside slot of fixed sleeve and sliding plate that sets up can make the wire can not appear in the teaching aid, avoids the damage of wire.
The utility model discloses sliding plate, motion sensor rotate along the pivot, realize the regulation of angle, and the sliding plate is when rotatory simultaneously, and the pointer also follows the sliding plate and rotates, realizes the definite of angle.
The utility model discloses the perpendicular setting of infrared inductor, motion sensor and sliding plate that sets up can make the test result more accurate.
The utility model discloses the electric telescopic handle who sets up can realize the regulation to the sliding plate angle.
The utility model discloses the even regulation of sliding plate angle can conveniently be realized to guide rail, the slider that set up, avoids the range of regulation too big.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments of the present application will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained from the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a theoretical mechanics teaching aid provided by an embodiment of the present invention;
fig. 2 is a schematic view of a structure of a rotating shaft according to an embodiment of the present invention;
fig. 3 is a schematic view of a position structure of an electric telescopic rod provided by the embodiment of the present invention;
fig. 4 is a schematic diagram of a structure of a guide rail position provided by an embodiment of the present invention;
in the figure: 1. a teaching aid box; 2. a data display; 3. a test article storage box; 4. an infrared sensor; 5. a sliding plate; 6. a pointer; 7. a motion sensor; 8. a protractor; 9. a handle; 10. a rotating shaft; 11. an electric telescopic rod; 12. a slider; 13. a guide rail; 14. and (7) connecting rings.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following 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.
To the problem that prior art exists, the utility model provides a theoretical mechanics teaching aid, it is right to combine the figure below the utility model discloses do detailed description.
As shown in fig. 1, a data display 2 is glued on the right side of the bottom in a teaching aid box 1; the left side is connected with a test article storage box 3 by glue, and the right middle position is connected with a sliding plate 5; an infrared sensor 4 is fixed at the top end of the left side of the sliding plate 5, a motion sensor 7 is fixed at the bottom of the right side of the sliding plate, a protractor 8 is fixed in front of the motion sensor 7, and a pointer 6 is arranged on the protractor 8; the top of the teaching aid box 1 is provided with a handle 9.
The infrared sensor 4 is XKC-001A-AC and is used for detecting the initial time of the iron ball or iron block gliding or falling.
The motion sensor 7 is divided into a speed sensor and an infrared sensor, wherein the model of the speed sensor is W10L, and the model of the infrared sensor is XKC-001A-AC, and the speed sensor is used for detecting the end time and the end speed of the gliding or falling of the iron ball or the iron block.
The data display 2 can display the kinetic energy, momentum, speed, process acceleration and theoretical friction of the iron ball or iron block through an internal program.
The utility model discloses the angle of sliding plate 5 can be detected to the protractor 8 that sets up, provides basic data for the teaching process to kinetic energy, momentum, speed, process acceleration and theoretical frictional force data that show through data display 2 can fuse kinematics knowledge, improve the student to each kinetic parameter's understanding, and improve student's interest in learning.
The data display 2 passes through a fixed sleeve and a groove in the sliding plate 5 through a lead and is connected with the infrared sensor 4, and the data display 2 passes through the fixed sleeve through a lead and is connected with the motion sensor 7.
The utility model discloses the fixed sleeve and the inside slot of sliding plate 5 that set up can make the wire can not appear in the teaching aid, avoid the damage of wire.
As shown in fig. 2, the sliding plate 5 and the motion sensor 7 are connected to the rotating shaft 10 at their ends, and the sliding plate 5 is connected to the pointer 6 at its end by a hard metal.
The utility model discloses sliding plate 5, motion sensor 7 rotate along pivot 10, realize the regulation of angle, and sliding plate 5 is when rotatory simultaneously, and pointer 6 also follows sliding plate 5 and rotates, realizes the definite of angle.
As shown in fig. 1 and 2, the infrared sensor 4 is perpendicular to the top of the sliding plate 5, and the motion sensor 7 is perpendicular to the bottom of the sliding plate 5.
The utility model discloses the perpendicular setting of infrared inductor 4, motion sensor 7 and sliding plate 5 that set up can make the test result more accurate.
As shown in figure 3, an electric telescopic rod 11 is arranged at the center of the bottom in the teaching aid box 1, and a sliding plate 5 is connected to the top of the electric telescopic rod 11.
The utility model discloses the electric telescopic handle 11 that sets up can realize the regulation to 5 angles of sliding plate.
As shown in fig. 4, the back of the sliding plate 5 is provided with a guide rail 13, a slider 12 is connected in the guide rail 13, and the slider 12 is provided with a connecting ring 14.
Wherein, the connecting ring 14 is connected with the top of the electric telescopic rod 11.
The utility model discloses the even regulation of sliding plate 5 angles can conveniently be realized to guide rail 13, slider 12 that set up, avoids the range of regulation too big.
The utility model discloses when using, at first open data display 2, take out corresponding experiment heavy object in experimental articles for use storage box 3, then adjust the angle of sliding plate 5 through electric telescopic handle 11 according to the teaching requirement, the back is accomplished in the adjustment, with the top free fall of heavy object self-sliding plate 5, infrared inductor 4 detects the time of whereabouts, and collect speed and time when stopping the whereabouts through motion inductor 7, under the calculation of 2 inside programs of data display, obtain the kinetic energy of heavy object, momentum, speed, process acceleration and theoretical frictional force data, through data analysis, can make the student know the contact between each data of kinematics, and improve the interest in learning.
The above description is only for the preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art should be covered by the protection scope of the present invention within the technical scope of the present invention, any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention.
Claims (6)
1. The utility model provides a theoretical mechanics teaching aid which characterized in that, theoretical mechanics teaching aid is provided with:
a teaching aid box;
the right side of the bottom in the teaching aid box is connected with a data display by glue; the left side is connected with a test article storage box through glue, and the right middle position is connected with a sliding plate; an infrared sensor is fixed at the top end of the left side of the sliding plate, a motion sensor is fixed at the bottom of the right side of the sliding plate, a protractor is fixed in front of the motion sensor, and a pointer is arranged on the protractor; the top of the teaching aid box is provided with a handle.
2. A theoretical mechanics teaching aid as claimed in claim 1, wherein the data display is connected to the infrared sensor by wires passing through the fixed sleeve and the sliding plate internal groove, and the data display is connected to the motion sensor by wires passing through the fixed sleeve.
3. A theoretical mechanics teaching aid according to claim 1 wherein the ends of the sliding plate and the motion sensor are connected to the rotating shaft, and the end of the sliding plate is connected to the pointer by hard metal.
4. A theoretical mechanics teaching aid according to claim 1 wherein the infrared sensor is perpendicular to the top of the sliding plate and the motion sensor is perpendicular to the bottom of the sliding plate.
5. A theoretical mechanics teaching aid according to claim 1, wherein the bottom center position in the teaching aid case is provided with an electric telescopic rod, and the top of the electric telescopic rod is connected with a sliding plate.
6. A theoretical mechanics teaching aid according to claim 1, wherein the back of the sliding plate is provided with a guide rail, a sliding block is connected in the guide rail, and a connecting ring is arranged on the sliding block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020690529.1U CN211742420U (en) | 2020-04-29 | 2020-04-29 | Theoretical mechanics teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020690529.1U CN211742420U (en) | 2020-04-29 | 2020-04-29 | Theoretical mechanics teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211742420U true CN211742420U (en) | 2020-10-23 |
Family
ID=72852348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020690529.1U Expired - Fee Related CN211742420U (en) | 2020-04-29 | 2020-04-29 | Theoretical mechanics teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211742420U (en) |
-
2020
- 2020-04-29 CN CN202020690529.1U patent/CN211742420U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201023 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |