CN211455019U

CN211455019U - Demonstration device for conservation of energy

Info

Publication number: CN211455019U
Application number: CN201820680414.7U
Authority: CN
Inventors: 李玉山
Original assignee: Heze University
Current assignee: Heze University
Priority date: 2018-05-08
Filing date: 2018-05-08
Publication date: 2020-09-08
Anticipated expiration: 2028-05-08

Abstract

The utility model discloses a presentation device of conservation of energy, the on-line screen storage device comprises a base, the bottom outer wall four corners of base all has the universal wheel through the fix with screw, and the top outer wall both sides of base all have a fixed plate, two through the fix with screw the top outer wall of fixed plate all has same fixed station through the fix with screw, and the top outer wall of fixed station has the support frame through the fix with screw, the slide spout has all been opened to support frame both sides inner wall, and the inner wall sliding connection of slide spout has the slide, the top inner wall of fixed station has driving motor through the fix with screw, and the driving motor output shaft is fixed in the one end outer wall of threaded shaft through the shaft coupling. The utility model discloses can change the experiment condition and carry out a lot of experiments, help improving the experiment effect, the measuring result is accurate, can reduce the experimental error, helps strengthening the confidence degree of experimental result, can change the experiment parameter, also be convenient for operation and control simultaneously, has improved the convenient degree of experiment.

Description

Demonstration device for conservation of energy

Technical Field

The utility model relates to a physical experiment technical field especially relates to a presentation device of conservation of energy.

Background

Physics is the subject of studying the most general law of motion and basic structure of substances, and is the leading subject of natural science, and the theory of physics studies the most basic motion form and law of all substances, such as universe, particles, etc., so it becomes the research foundation of other natural science subjects.

The mechanical energy conservation law is a basic law in dynamics, namely, if any object system does not work with external force or the sum of the external force does zero, and only the conservative force does work in the system, the mechanical energy of the system is kept unchanged.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an energy conservation demonstration device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a demonstration device for energy conservation comprises a base, universal wheels are fixed at four corners of the outer wall of the bottom of the base through screws, fixing plates are fixed at two sides of the outer wall of the top of the base through screws, the outer walls of the tops of two fixing plates are fixed with the same fixing table through screws, a supporting frame is fixed at the outer wall of the top of the fixing table through screws, sliding plate sliding grooves are formed in the inner walls of two sides of the supporting frame, sliding plates are connected to the inner walls of the sliding plate sliding grooves in a sliding mode, a driving motor is fixed at the inner wall of the top of the fixing table through screws, an output shaft of the driving motor is fixed to the outer wall of one end of a threaded shaft through a coupler, an initial rail is fixed at the inner wall of the bottom of the base through screws, measuring rail mounting holes are formed in the outer wall of one side of the initial rail and the outer wall, and the top of the inner wall at one side of the measuring track and the top of the outer wall at one side of the initial track are both provided with adjusting track chutes, the inner walls of the adjusting track chutes are all connected with the same adjusting track in a sliding manner, the outer wall at one side of the adjusting track is sleeved with a support ring, the outer walls at two sides of the support frame are respectively fixed with a graduated scale and a side plate through screws, and the outer wall at one side of the side plate is fixed with a display screen through screws.

Preferably, the outer wall of the top of the sliding plate 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 through threads.

Preferably, the supporting rods are fixed to two sides of the outer wall of the top of the sliding plate through screws, and the outer walls of the tops of the two supporting rods are fixed to the outer walls of two sides of the supporting ring through screws respectively.

Preferably, a sleeve is fixed on the inner wall of the bottom of the initial track through a screw, a sliding rod chute is formed in the outer wall of one side of the sleeve, and a sliding rod is connected to the inner wall of the sliding rod chute in a sliding mode.

Preferably, the same thrust spring is fixed on the outer wall of the bottom of the sliding rod and the inner wall of the bottom of the initial track through screws, and an iron block is fixed on the outer wall of the top of the sliding rod through screws.

Preferably, an electromagnetic coil is fixed to the bottom of the inner wall of one side of the initial track through a screw, 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 on the bottom of the inner wall of one side of the adjusting track and one side of the inner wall of the top of the measuring track through screws, and a signal output end of the first speed sensor and a signal output end of the second speed sensor are both connected with the processor through signal lines.

The utility model has the advantages that:

1. through setting up threaded shaft, slide and regulation track, start driving motor and drive the threaded shaft and rotate, promote the slide and slide, promote through bracing piece and support ring and adjust the track and reciprocate, can change the experimental condition and carry out experiment many times, help improving the experiment effect.

2. Through setting up first speed sensor and second speed sensor, detect initial speed and finish speed respectively, the measuring result is accurate, can reduce the experimental error, helps strengthening the confidence of experimental result.

3. Through setting up solenoid and thrust spring, adsorb the iron plate and move down compression thrust spring after solenoid circular telegram, thrust spring promotes the subject rebound after the solenoid outage and gives the subject initial velocity, and the initial velocity of subject is changed through control solenoid's live time, can change the experiment parameter, and the convenient degree of experiment has been improved in operation and control of also being convenient for simultaneously.

Drawings

Fig. 1 is a schematic structural diagram of an energy conservation demonstration apparatus provided by the present invention;

fig. 2 is a schematic side view of an energy conservation demonstration apparatus according to the present invention;

fig. 3 is a schematic structural diagram of an electromagnetic coil of an energy conservation demonstration apparatus according to the present invention.

In the figure: the device comprises a base 1, an initial track 2, a first speed sensor 3, a fixed table 4, an adjusting track 5, a supporting frame 6, a supporting ring 7, a supporting rod 8, a threaded shaft 9, a graduated scale 10, a sliding plate 11, a driving motor 12, a second speed sensor 13, a measuring track 14, a fixed plate 15, a side plate 16, a display screen 17, a solenoid coil 18, a thrust spring 19, a sliding rod 20 and a sleeve 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, the utility model provides a demonstration device of conservation of energy, including base 1, base 1's bottom outer wall four corners all has the universal wheel through the fix with screw, and base 1's top outer wall both sides all have fixed plate 15 through the fix with screw, and the top outer wall of two fixed plates 15 all has same fixed station 4 through the fix with screw, and the top outer wall of fixed station 4 has support frame 6 through the fix with screw, and the slide spout has all been opened to the inner wall in 6 both sides of support frame, and the inner wall sliding connection of slide spout has slide 11.

Wherein, the top inner wall of fixed station 4 is fixed with driving motor 12 through the screw, and driving motor 12 output shaft is fixed in the one end outer wall of screw shaft 9 through the shaft coupling. Base 1's bottom inner wall has initial track 2 through the fix with screw, and one side outer wall of initial track 2 and two fixed plates 15 has all opened and has measured the track mounting hole, the inner wall of three measurement track mounting hole is all pegged graft and is had same measurement track 14, and one side inner wall top of measuring track 14 and one side outer wall top of initial track 2 have all opened the regulation track spout, the equal sliding connection of inner wall of two regulation track spouts has same regulation track 5, and one side outer wall of regulation track 5 has cup jointed support ring 7, the both sides outer wall of support frame 6 has scale 10 and curb plate 16 through the fix with screw respectively, and one side outer wall of curb plate 16 has display screen 17 through the fix with screw.

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

A sleeve 21 is fixed on the bottom inner wall of the initial track 2 through a screw, and a slide rod chute is arranged on one side outer wall of the sleeve 21. The inner wall of the slide rod chute is connected with a slide rod 20 in a sliding way, and the same thrust spring 19 is fixed on the outer wall of the bottom of the slide rod 20 and the inner wall of the bottom of the initial track 2 through screws. The top outer wall of the slide rod 20 is fixed with an iron block by a screw. An electromagnetic coil 18 is fixed at the bottom of the inner wall of one side of the initial track 2 through a screw, and the electromagnetic coil 18 and the driving motor 12 are both connected with a switch which is connected with a processor.

After the electromagnetic coil 18 is electrified, the adsorption iron block moves downwards to compress the thrust spring 19, after the electromagnetic coil 18 is powered off, the thrust spring 19 pushes the experimental object to move upwards to give an initial speed to the experimental object, the bottom of the inner wall of one side of the adjusting track 5 and the side of the inner wall of the top of the measuring track 14 are respectively fixed with the first speed sensor 3 and the second speed sensor 13 through screws, and the signal output end of the first speed sensor 3 and the signal output end of the second speed sensor 13 are connected with the processor through signal lines.

When the experiment is started, the driving motor 12 is started to drive the threaded shaft 9 to rotate, the sliding plate 11 is pushed to slide, the adjusting rail 5 is pushed to move through the supporting rod 8 and the supporting ring 7, and the height of the adjusting rail 5 is changed. The electromagnetic coil 18 is electrified, the magnetic adsorption iron block moves downwards to compress the thrust spring 19, the thrust spring 19 pushes the experimental object to move upwards to give an initial speed to the experimental object after the electromagnetic coil 18 is powered off, the first speed sensor 3 and the second speed sensor 13 respectively detect the initial speed and the finishing speed, and the energy conservation principle is verified through the height difference between the first speed sensor 3 and the second speed sensor 13 and two speed values.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The demonstration device for conservation of energy comprises a base (1) and is characterized in that universal wheels are fixed at four corners of the outer wall of the bottom of the base (1) through screws, fixing plates (15) are fixed at two sides of the outer wall of the top of the base (1), the outer walls of the tops of the two fixing plates (15) are fixed with a same fixing table (4) through screws, a supporting frame (6) is fixed at the outer wall of the top of the fixing table (4) through screws, sliding plate sliding grooves are formed in the inner walls of two sides of the supporting frame (6), sliding plates (11) are connected to the inner walls of the sliding plate sliding grooves in a sliding mode, a driving motor (12) is fixed at the inner wall of the top of the fixing table (4) through screws, an output shaft of the driving motor (12) is fixed at the outer wall of one end of a threaded shaft (9) through a coupler, an initial track (2, and one side outer wall of initial track (2) and one side outer wall of two fixed plates (15) all opened and measure the track mounting hole, and is three the inner wall of measuring the track mounting hole all pegs graft and has same measurement track (14), and one side inner wall top of measuring track (14) and one side outer wall top of initial track (2) all opened and adjust the track spout, two the equal sliding connection of inner wall of adjusting the track spout has same regulation track (5), and just one side outer wall of adjusting track (5) has cup jointed support ring (7), the both sides outer wall of support frame (6) is respectively through fix with screw scale (10) and curb plate (16), and one side outer wall of curb plate (16) has display screen (17) through the fix with screw.

2. An energy conservation demonstration apparatus as claimed in claim 1 wherein the top outer wall of the slide plate (11) is threaded and the inner wall of the threaded hole is threadedly attached to one side outer wall of the threaded shaft (9).

3. An energy conservation demonstration device as claimed in claim 1 wherein the sliding plate (11) is fixed with support bars (8) by screws on both sides of the top outer wall, and the top outer walls of the two support bars (8) are fixed with screws on the outer walls of both sides of the support ring (7).

4. The demonstration device for conservation of energy as claimed in claim 1, wherein the sleeve (21) is fixed on the bottom inner wall of the initial track (2) through screws, and a slide rod chute is arranged on one side outer wall of the sleeve (21), and the inner wall of the slide rod chute is connected with the slide rod (20) in a sliding way.

5. An energy conservation demonstration apparatus as claimed in claim 4 wherein the bottom outer wall of the slide rod (20) and the bottom inner wall of the primary track (2) are both screwed with the same thrust spring (19) and the top outer wall of the slide rod (20) is screwed with an iron block.

6. The demonstration device for energy conservation according to claim 1, wherein an electromagnetic coil (18) is fixed at the bottom of the inner wall of one side of the initial track (2) through a screw, and the electromagnetic coil (18) and the driving motor (12) are both connected with a switch which is connected with a processor.

7. The demonstration device for conservation of energy as claimed in claim 1, wherein the first speed sensor (3) and the second speed sensor (13) are fixed to the bottom of the inner wall of one side of the adjusting track (5) and the side of the inner wall of the top of the measuring track (14) through screws respectively, and the signal output end of the first speed sensor (3) and the signal output end of the second speed sensor (13) are connected with the processor through signal lines.