CN209357316U - A kind of Physical Experiment demonstration apparatus for energy conversion - Google Patents

Abstract

The utility model discloses a kind of Physical Experiment demonstration apparatus for energy conversion, including regulatable magnetic force electromagnet, the upper side wall of the regulatable magnetic force electromagnet is screwed the glass spring seat of tubbiness.The glass spring seat inner upper end face is connected with spring, and the upper surface of the spring is connected with baffle, and the inner sidewall of the glass spring seat is fixedly connected with position-limiting tube, and the lateral wall of the position-limiting tube has speed sensor by what cylinder clip was fixed.The position-limiting tube upper side wall is equipped with plug.Whether the utility model has magnetic principle when the energization and power-off of electromagnet is not only utilized, control the compression of spring, the instantaneous velocity of object can be surveyed with velocity sensor, elastic potential energy conversion gravitional force and power potential energy can be observed, also use the resilient properties of spring itself, gravity is received when bead falls from high-altitude, compressed spring can observe gravitional force and switch to elastic potential energy.

Description

A kind of Physical Experiment demonstration apparatus for energy conversion

Technical field

The utility model relates to physics demonstration experiment engineering device technique field, specific field turns for a kind of Physical Experiment energy Change apparatus for demonstrating.

Background technique

There is considerably complicated transforming relationship between energy in actual life around us, such as electric energy conversion is mechanical Energy, chemical energy conversion thermal energy, thermal energy conversion mechanical energy, mechanical energy conversion thermal energy, luminous energy conversion thermal energy etc., in senior middle school physics teaching In, energy is a highly important concept, while it is also very abstract concept, can not be learned by intuitive material object display Life is not easy to better understand this concept, if there is a kind of apparatus for demonstrating can express the conversion between several energy simultaneously Out, it will learn for student and understand that energy conception provides good help.

Utility model content

The purpose of this utility model is to provide a kind of Physical Experiment demonstration apparatus for energy conversion, to solve above-mentioned background The problem of being proposed in technology.

To achieve the above object, the utility model provides the following technical solutions: a kind of Physical Experiment demonstrating energy conversion The upper side wall of device, including regulatable magnetic force electromagnet, the regulatable magnetic force electromagnet is screwed the glass bullet of tubbiness The inner upper end face of spring abutment, the glass spring seat is connected with spring by groove, and the upper surface of the spring is connected with baffle, The inner sidewall of the glass spring seat is fixedly connected with position-limiting tube, and the lateral wall of the position-limiting tube is fixed with speed by cylinder clip Inductor is spent, the upper end of the position-limiting tube is equipped with plug；

The cylinder clip includes annulus A, with notch, the lateral wall of the annulus A and in notch on the annulus A Both ends symmetric position, which is welded on two annulus B, the annulus B, has oval notch, and the inside of two annulus B is equipped with Pole, the side wall middle part of the pole have circular hole, and running through in two circular holes has bolt, and the bolt is equipped with nut.

Preferably, the inner sidewall of the glass spring seat is equipped with internal screw thread, the lateral wall lower part of the position-limiting tube be equipped with The matched external screw thread of internal screw thread.

Preferably, the lateral wall of the glass spring seat and position-limiting tube is equipped with graduation mark.

Preferably, the spring is 304 stainless steel springs.

Compared with prior art, the utility model has the beneficial effects that a kind of Physical Experiment demonstration apparatus for energy conversion, By falling using bead from high-altitude, baffle is touched, baffle compressed spring causes the elastic deformation of spring, can demonstrate weight Power potential energy is elastic potential energy, by attracting the bead on spring using the magnetic force of electromagnet, makes spring-compressed, is closing The power supply of electromagnet, electromagnet bounce spring without magnetism, and the elastic force effect that bead receives spring pops up, then leads to The instantaneous velocity that speed sensor measures bead is crossed, elastic potential energy can be demonstrated and be converted into gravitional force and power potential energy；This reality Not only it is utilized when electromagnet is powered and powers off whether have magnetic principle with novel, the compression and speed for controlling spring pass Sensor can survey the instantaneous velocity of object, can observe elastic potential energy conversion gravitional force and power potential energy, also use spring The resilient properties of itself receive gravity when bead falls from high-altitude, and compressed spring can observe gravitional force and switch to elasticity Potential energy.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the structural schematic diagram of the glass spring seat of the utility model；

Fig. 3 is the structural schematic diagram of the cylinder clip of the utility model.

In figure: 1- regulatable magnetic force electromagnet, 2- glass spring seat, 3- spring, 4- baffle, 5- position-limiting tube, 6- velocity response Device, 7- plug, 8- cylinder clip, 801- annulus A, 802- annulus B, 803- pole, 804- bolt.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Referring to Fig. 1, the utility model provides a kind of technical solution: a kind of Physical Experiment demonstration apparatus for energy conversion, Including regulatable magnetic force electromagnet 1, the upper side wall of the regulatable magnetic force electromagnet is screwed the glass spring seat of tubbiness 2, the inner upper end face of the glass spring seat is connected with spring 3 by groove, and the upper surface of the spring is connected with baffle 4, The inner sidewall of the glass spring seat is fixedly connected with position-limiting tube 5, the structure separated by glass spring seat with position-limiting tube, and Spring is connected on spring base, is convenient for changing the spring of different spring constants, increases the reliability of the data of device, the limit Pipe lateral wall is fixed with speed sensor 6 by cylinder clip 8, keeps speed sensor more square by the quick detachable property of cylinder clip Just position is replaced, the reliability of the data of device is increased, the upper end of the position-limiting tube is equipped with plug 7, prevents bead by spring Elastic force effect, the position-limiting tube that flies out injures the personnel for doing and testing, increases the safety of device.Adjustable electromagnet can not also be utilized And velocity sensor, only by bead, steadily the slave position-limiting tube upper surface without initial velocity puts position-limiting tube into, and bead passes through gravity Compressed spring on baffle is fallen on, gravitional force can be observed and be converted into elastic potential energy；

Referring to Fig. 3, the cylinder clip includes annulus A801, there is notch on the annulus A, the annulus A's is outer It side wall and is welded on two annulus B802, the annulus B in the both ends symmetric position of notch there is oval notch, described in two The inside of annulus B is equipped with pole 803, has circular hole in the middle part of the side wall of the pole, running through in two circular holes has bolt 804, the bolt is equipped with nut, and the structure of cylinder clip is simple, is the elastic of adjustable cylinder card hoop by adjusting bolt, Realize the up and down adjustment to speed sensor.

Referring to Fig. 2, specifically, the inner sidewall of the glass spring seat is equipped with internal screw thread, the outside of the position-limiting tube Wall lower part is equipped with the matched external screw thread of internal screw thread, and the mode being connected through a screw thread makes the disassembly of glass spring seat and position-limiting tube It is more convenient.

Referring to Fig. 2, specifically, the lateral wall of the glass spring seat and position-limiting tube is equipped with graduation mark, the glass The graduation mark of glass spring base lateral wall helps the numerical value for observing the deformation quantity of spring-compressed, and calculating elastic potential energy is facilitated to be converted into Whether gravitional force and the numerical value of power potential energy are equal, the graduation mark of the lateral wall of the position-limiting tube, help writing speed limit The height and position of device facilitates and calculates elastic potential energy and be converted into gravitional force and whether the numerical value of power potential energy is equal.

Specifically, the spring is 304 stainless steel springs, due to manufacturing process, 304 stainless steels have part Product band is magnetic, and the spring need to be selected without 304 stainless steels that are magnetic, and electromagnet is made only to attract bead, excludes electromagnet Magnetic force spring itself is influenced, keep device more scientific.

Working principle: the utility model is touched spring, causes the elastic shape of spring by being fallen using bead from high-altitude Become, gravitional force can be demonstrated and be converted into elastic potential energy, by attracting the bead on spring using the magnetic force of electromagnet, makes bullet Spring compression, powers off electromagnet, is bouncing spring, and the elastic force effect that bead receives spring pops up, then passes through speed sense It answers device to measure the instantaneous velocity of bead, elastic potential energy can be demonstrated and be converted into gravitional force and power potential energy.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (4)

1. a kind of Physical Experiment demonstration apparatus for energy conversion, it is characterised in that: including regulatable magnetic force electromagnet (1), it is described can The upper side wall of adjustable magnetic power electromagnet (1) is screwed the glass spring seat (2) of tubbiness, the glass spring seat (2) Inner upper end face is connected with spring (3) by groove, and the upper surface of the spring (3) is connected with baffle (4), the glass spring The inner sidewall of seat (2) is fixedly connected with position-limiting tube (5), and the lateral wall of the position-limiting tube (5) is fixed with speed by cylinder clip (8) It spends inductor (6), the upper end of the position-limiting tube (5) is equipped with plug (7)；

The cylinder clip (8) includes (801) annulus A, has notch on the annulus A (801), the annulus A (801) it is outer Side wall and two annulus B (802) are welded in the both ends symmetric position of notch, there is oval notch on the annulus B (802), The inside of two annulus B (802) is equipped with pole (803), has circular hole in the middle part of the side wall of the pole (803), and two Through having bolt (804) in the circular hole, the bolt (804) is equipped with nut.

2. a kind of Physical Experiment demonstration apparatus for energy conversion according to claim 1, it is characterised in that: the glass bullet The inner sidewall of spring abutment (2) is equipped with internal screw thread, and the lateral wall lower part of the position-limiting tube (5) is equipped with and the matched external screw thread of internal screw thread.

3. a kind of Physical Experiment demonstration apparatus for energy conversion according to claim 1, it is characterised in that: the glass bullet The lateral wall of spring abutment (2) and position-limiting tube (5) is equipped with graduation mark.

4. a kind of Physical Experiment demonstration apparatus for energy conversion according to claim 1, it is characterised in that: the spring It (3) is 304 stainless steel springs.