CN211455019U - Demonstration device for conservation of energy - Google Patents

Abstract

The utility model discloses a demonstration device for energy conservation, which comprises a base, the four corners of the bottom outer wall of the base are fixed with universal wheels by screws, and the two sides of the top outer wall of the base are fixed with fixing plates by screws. The top outer wall of the fixing plate is fixed with the same fixing table by screws, and the top outer wall of the fixing table is fixed with a support frame by screws, and the inner walls of both sides of the support frame are provided with slide slide grooves, and the inner walls of the slide slide groove slide A sliding plate is connected, the top inner wall of the fixing table is fixed with a driving motor by screws, and the output shaft of the driving motor is fixed on the outer wall of one end of the threaded shaft through a coupling. The utility model can change the experimental conditions to carry out multiple experiments, which helps to improve the experimental effect, the measurement results are accurate, the experimental error can be reduced, the reliability of the experimental results can be enhanced, the experimental parameters can be changed, and the operation and control are also convenient. , which improves the convenience of experiments.

Description

A demonstration device for energy conservation

technical field

The utility model relates to the technical field of physical experiment devices, in particular to a demonstration device of energy conservation.

Background technique

Physics is a discipline that studies the most general laws of matter motion and the basic structure of matter. As the leading discipline of natural science, physics studies the most basic motion forms and laws of all matter ranging from the universe to elementary particles. The research basis of scientific disciplines, its theoretical structure fully uses mathematics as its working language, and uses experiments as the only standard to test the correctness of the theory. It is the most sophisticated natural science discipline today.

The law of conservation of mechanical energy is the basic law in dynamics, that is, if any object system has no external force to do work or the sum of the external force to do work is zero, and there is only a conservative force to do work in the system, the mechanical energy of the system remains unchanged, and the existing energy conservation demonstration The structure of the device is fixed, which is inconvenient to adjust, and the measurement is inconvenient, and the error is large, which affects the teaching effect.

Utility model content

The purpose of the utility model is to propose a demonstration device of energy conservation in order to solve the shortcomings in the prior art.

In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

A demonstration device for energy conservation, comprising a base, the four corners of the bottom outer wall of the base are fixed with universal wheels by screws, and the two sides of the top outer wall of the base are fixed with fixing plates by screws, and the tops of the two fixing plates are fixed with screws. The outer walls are all fixed with the same fixing table by screws, and the top outer wall of the fixing table is fixed with a support frame by screws, the inner walls of both sides of the support frame are provided with slide slide grooves, and the inner walls of the slide slide groove are slidably connected with slide plates, so The top inner wall of the fixing table is fixed with a driving motor by screws, and the output shaft of the driving motor is fixed to the outer wall of one end of the threaded shaft through a coupling, and the bottom inner wall of the base is fixed with an initial track by screws, and the outer wall of one side of the initial track is fixed. There are measuring track mounting holes on one side of the outer wall of the two fixing plates, and the same measuring track is inserted into the inner walls of the three measuring track mounting holes, and the top of the inner wall of one side of the measuring track and one side of the initial track are inserted. The top of the outer wall is provided with an adjustment track chute, the inner walls of the two adjustment track chute are slidably connected with the same adjustment track, and one side outer wall of the adjustment track is sleeved with a support ring, and the two outer walls of the support frame are A scale and a side plate are respectively fixed by screws, and a display screen is fixed on one outer wall of the side plate by screws.

Preferably, a threaded hole is formed on the outer wall of the top of the slide plate, and the inner wall of the threaded hole is connected to the outer wall of one side of the threaded shaft through a thread.

Preferably, both sides of the top outer wall of the slide plate are fixed with support rods by screws, and the top outer walls of the two support rods are respectively fixed to the two side outer walls of the support ring by screws.

Preferably, the inner wall of the bottom of the initial track is fixed with a sleeve by screws, and one outer wall of the sleeve is provided with a sliding rod chute, and the inner wall of the sliding rod chute is slidably connected with a sliding rod.

Preferably, the bottom outer wall of the sliding rod and the bottom inner wall of the initial track are both fixed with the same thrust spring by screws, and the top outer wall of the sliding rod is fixed with iron blocks by screws.

Preferably, the bottom of one inner wall of the initial track is fixed with an electromagnetic coil by screws, and the electromagnetic coil and the driving motor are both connected with a switch, and the switch is connected with a processor.

Preferably, a first speed sensor and a second speed sensor are respectively fixed by screws at the bottom of the inner wall of one side of the adjusting track and the inner wall of the top of the measuring track, and the signal output end of the first speed sensor and the signal output end of the second speed sensor are respectively The signal output terminals are all connected with the processor through signal lines.

The beneficial effects of the present utility model are:

1. By setting the threaded shaft, the sliding plate and the adjustment track, start the drive motor to drive the threaded shaft to rotate, push the sliding plate to slide, and push the adjustment track to move up and down through the support rod and the support ring, which can change the experimental conditions and conduct multiple experiments, which is helpful to improve the experiment. Effect.

2. By setting the first speed sensor and the second speed sensor to detect the initial speed and the end speed respectively, the measurement results are accurate, which can reduce the experimental error and help to enhance the confidence of the experimental results.

3. By setting the electromagnetic coil and the thrust spring, after the electromagnetic coil is energized, the iron block moves downward to compress the thrust spring, and after the electromagnetic coil is powered off, the thrust spring pushes the experimental object to move upward to give the experimental object the initial speed, and the energization time of the electromagnetic coil is controlled to change. The initial speed of the experimental object can change the experimental parameters, and it is also easy to operate and control, which improves the convenience of the experiment.

Description of drawings

Fig. 1 is the structural representation of a kind of energy conservation demonstration device proposed by the utility model;

Fig. 2 is the side view structure schematic diagram of a kind of energy conservation demonstration device proposed by the utility model;

FIG. 3 is a schematic structural diagram of the electromagnetic coil of an energy conservation demonstration device proposed by the present invention.

In the picture: 1 base, 2 initial track, 3 first speed sensor, 4 fixed table, 5 adjustment track, 6 support frame, 7 support ring, 8 support rod, 9 threaded shaft, 10 scale, 11 slide plate, 12 drive motor , 13 second speed sensor, 14 measuring track, 15 fixed plate, 16 side plate, 17 display screen, 18 electromagnetic coil, 19 thrust spring, 20 sliding rod, 21 sleeve.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example.

1-3, the present invention provides a demonstration device for energy conservation, including a base 1, the four corners of the bottom outer wall of the base 1 are fixed with universal wheels by screws, and both sides of the top outer wall of the base 1 are fixed by screws There is a fixing plate 15, the top outer walls of the two fixing plates 15 are fixed with the same fixing table 4 by screws, and the top outer wall of the fixing table 4 is fixed with a support frame 6 by screws. A sliding plate 11 is slidably connected to the inner wall of the sliding groove of the sliding plate.

The drive motor 12 is fixed to the top inner wall of the fixing table 4 by screws, and the output shaft of the drive motor 12 is fixed to the outer wall of one end of the threaded shaft 9 by a coupling. The bottom inner wall of the base 1 is fixed with the initial track 2 by screws, and one side outer wall of the initial track 2 and one side outer wall of the two fixing plates 15 are provided with measuring track mounting holes, and the inner walls of the three measuring track mounting holes are all inserted. There is the same measurement track 14, and the top of one side of the inner wall of the measurement track 14 and the top of one side of the outer wall of the initial track 2 are provided with an adjustment track chute, and the inner walls of the two adjustment track chute are slidably connected with the same adjustment track 5 , and the outer wall of one side of the adjustment track 5 is sleeved with a support ring 7, the outer walls of both sides of the support frame 6 are respectively fixed with a scale 10 and a side plate 16 by screws, and one side of the outer wall of the side plate 16 is fixed with a display screen by screws 17.

In an embodiment of the present invention, the outer wall of the top of the sliding plate 11 is provided with a threaded hole, and the inner wall of the threaded hole is connected to the outer wall of one side of the threaded shaft 9 through a thread. Both sides of the top outer wall of the slide plate 11 are fixed with support rods 8 by screws, and the top outer walls of the two support rods 8 are respectively fixed to the outside of the two sides of the support ring 7 by screws.

A sleeve 21 is fixed on the bottom inner wall of the initial track 2 by screws, and a sliding rod chute is opened on one outer wall of the sleeve 21 . A sliding rod 20 is slidably connected to the inner wall of the sliding rod chute, and the same thrust spring 19 is fixed to the bottom outer wall of the sliding rod 20 and the bottom inner wall of the initial track 2 by screws. The top outer wall of the sliding rod 20 is fixed with iron blocks by screws. The bottom of one inner wall of the initial track 2 is fixed with an electromagnetic coil 18 by screws, and the electromagnetic coil 18 and the driving motor 12 are both connected with a switch, and the switch is connected with a processor.

After the electromagnetic coil 18 is energized, the adsorption iron block moves down to compress the thrust spring 19. After the electromagnetic coil 18 is powered off, the thrust spring 19 pushes the test object to move upward to give the test object the initial speed, and adjust the bottom of the inner wall of one side of the track 5 and the top of the measurement track 14. The first speed sensor 3 and the second speed sensor 13 are respectively fixed on one side of the inner wall by screws, and the signal output end of the first speed sensor 3 and the signal output end of the second speed sensor 13 are both connected to the processor through signal lines.

When starting the experiment, first start the drive motor 12 to drive the threaded shaft 9 to rotate, push the slide plate 11 to slide, and push the adjustment rail 5 to move through the support rod 8 and the support ring 7 to change the height of the adjustment rail 5 . The electromagnetic coil 18 is energized, and the magnetic force attracts the iron block to move down to compress the thrust spring 19. After the electromagnetic coil 18 is powered off, the thrust spring 19 pushes the test object to move upward to give the test object the initial speed. The first speed sensor 3 and the second speed sensor 13 detect the detection respectively. For the initial speed and the end speed, the principle of energy conservation is verified by the height difference between the first speed sensor 3 and the second speed sensor 13 and two speed values.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. Equivalent replacement or modification of the new technical solution and its utility model concept shall be included within the protection scope of the present utility model.

Claims (7)

1. a demonstration device for energy conservation, comprising a base (1), characterized in that the four corners of the bottom outer wall of the base (1) are all fixed with universal wheels by screws, and both sides of the top outer wall of the base (1) are A fixing plate (15) is fixed by screws, the top outer walls of the two fixing plates (15) are fixed with the same fixing table (4) by screws, and a support frame is fixed on the top outer wall of the fixing table (4) by screws (6), the inner walls of both sides of the support frame (6) are provided with sliding plate chute, and the inner wall of the sliding plate chute is slidably connected with a sliding plate (11), and the top inner wall of the fixing table (4) is fixed with a drive through screws The motor (12), and the output shaft of the drive motor (12) is fixed to the outer wall of one end of the threaded shaft (9) through a coupling, and the bottom inner wall of the base (1) is fixed with an initial track (2) by screws, and the initial track One side outer wall of (2) and one side outer wall of the two fixing plates (15) are provided with measuring track mounting holes, and the inner walls of the three measuring track mounting holes are all plugged with the same measuring track (14), and The top of one inner wall of the measuring track (14) and the top of one side of the outer wall of the initial track (2) are provided with adjustment track chute, and the inner walls of the two adjustment track chute are slidably connected with the same adjustment track (5) , and the outer wall of one side of the adjusting track (5) is sleeved with a support ring (7), the outer walls of both sides of the support frame (6) are respectively fixed with a scale (10) and a side plate (16) by screws, and the side walls A display screen (17) is fixed on one outer wall of the board (16) by screws. 2. A demonstration device for energy conservation according to claim 1, characterized in that, the top outer wall of the slide plate (11) is provided with a threaded hole, and the inner wall of the threaded hole is connected to the threaded shaft (9) by threading. side wall. 3. The demonstration device of a kind of energy conservation according to claim 1, is characterized in that, both sides of the top outer wall of described slide plate (11) are all fixed with support rods (8) by screws, and two support rods (8) ) top outer walls are respectively fixed to the two outer walls of the support ring (7) by screws. 4. A demonstration device for energy conservation according to claim 1, characterized in that, a sleeve (21) is fixed on the bottom inner wall of the initial track (2) by screws, and one side of the sleeve (21) is fixed with a sleeve (21). The outer wall is provided with a sliding rod chute, and the inner wall of the sliding rod chute is slidably connected with a sliding rod (20). 5. The demonstration device of a kind of energy conservation according to claim 4, is characterized in that, the bottom outer wall of described sliding rod (20) and the bottom inner wall of initial track (2) are all fixed with the same thrust spring (19) by screws ), and the top outer wall of the sliding rod (20) is fixed with iron blocks by screws. 6. A demonstration device for energy conservation according to claim 1, characterized in that, an electromagnetic coil (18) is fixed with a screw at the bottom of one inner wall of the initial track (2), and the electromagnetic coil (18) and The drive motors (12) are all connected with switches, and the switches are connected with processors. 7. The demonstration device of energy conservation according to claim 1, characterized in that, one side of the inner wall bottom of the adjusting track (5) and the top inner wall side of the measuring track (14) are respectively fixed with a No. A speed sensor (3) and a second speed sensor (13), and the signal output end of the first speed sensor (3) and the signal output end of the second speed sensor (13) are both connected to the processor through signal lines.

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