CN212208676U - Air suspension ball movement comprehensive experiment instrument - Google Patents
Air suspension ball movement comprehensive experiment instrument Download PDFInfo
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- CN212208676U CN212208676U CN202020189353.1U CN202020189353U CN212208676U CN 212208676 U CN212208676 U CN 212208676U CN 202020189353 U CN202020189353 U CN 202020189353U CN 212208676 U CN212208676 U CN 212208676U
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- air suspension
- suspension ball
- platform
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Abstract
The utility model provides an air suspension ball movement comprehensive experiment instrument. The comprehensive experiment instrument for the air suspension ball movement comprises a platform; the eight height adjusting screws are arranged on the platform; a restraint rail mounted on a top side of the platform; the two baffles are respectively arranged on two sides of the constraint guide rail; an air suspension ball mounted on a top side of the restraint rail; the fixed pulley is arranged on one side of the platform; a host mounted on a top side of the platform; a lithium battery mounted on a top side of the platform; reflective photovoltaic gates, three of which are mounted on the topside of the platform. The utility model provides an air suspension ball motion comprehensive experiment appearance has with low costs, light in weight, portable, the manifold advantage of function.
Description
Technical Field
The utility model relates to a test equipment technical field especially relates to an air suspension ball motion comprehensive experiment appearance.
Background
The existing air cushion guide rail can complete most of physical experiments in a state needing low resistance, such as demonstrating the inertia phenomenon of an object, verifying Newton's second law, verifying momentum conservation law and the like. The existing air cushion guide rail and matched experimental equipment have the following obvious defects: (1) the weight is large and the portability is poor; (2) because an electric air pump and an electronic timer are used, the electric air pump and the electronic timer cannot work in places without commercial power; (3) when the device is used for carrying out related physical experiments, experimental results cannot be obtained visually and rapidly, and experimental data needs to be processed manually.
Therefore, there is a need to provide a new air suspension ball movement comprehensive experiment instrument to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The technical problem solved by the utility model is to provide a low cost, light in weight, portable's gas suspension ball motion comprehensive experiment appearance.
In order to solve the technical problem, the utility model provides an air suspension ball motion comprehensive experiment appearance includes: a platform; the eight height adjusting screws are arranged on the platform; a restraint rail mounted on a top side of the platform; the two baffles are respectively arranged on two sides of the constraint guide rail; an air suspension ball mounted on a top side of the restraint rail; the fixed pulley is arranged on one side of the platform; a host mounted on a top side of the platform; a lithium battery mounted on a top side of the platform; reflective photovoltaic gates, three of which are mounted on the topside of the platform.
Preferably, the host computer includes singlechip, bluetooth module, TFT serial ports screen and matrix keyboard, and the model of singlechip is STM32F103C8T 6.
Preferably, the distance between two adjacent reflective photovoltaic gates is thirty centimeters.
Preferably, the platform is a black acrylic plate eight millimeters thick, one hundred twenty centimeters long, and thirty centimeters wide.
Preferably, the height adjusting screw has a diameter of eight millimeters and a length of four millimeters.
Preferably, the restraining guide rail is a glass fiber rod made of materials with the diameter of four millimeters and the length slightly smaller than the length of the platform, and the restraining guide rail divides the platform into two parts with the widths of thirteen centimeters and seventeen centimeters respectively.
Preferably, the fixed pulley is four centimeters higher than the upper surface of the platform.
Preferably, a dry battery is installed in the air suspension ball, and the air suspension ball can be downwards sprayed to form an air cushion after being electrified, so that the air suspension ball is suspended two millimeters above the platform.
Preferably, the bottom side of the air suspension ball is provided with a limiting hole, the width and the depth of the limiting hole are slightly larger than four millimeters, and the limiting hole is matched with the constraint guide rail.
Preferably, the top of the air suspension ball is fixedly provided with a light blocking sheet, the width of the light blocking sheet is forty millimeters, and the light blocking sheet and the diameter of the limiting hole are on the same vertical plane.
Compared with the prior art, the utility model provides an air suspension ball motion comprehensive experiment appearance has following beneficial effect:
the utility model provides an air suspension ball movement comprehensive experiment instrument, which uses the air suspension ball and the restraint guide rail to realize the function of the prior air cushion guide rail, thereby greatly saving the cost; the integrated host is used for realizing rich interaction functions and rapid data processing; the air suspension ball is powered by a dry battery, the main machine is powered by a lithium battery, and the air suspension ball can work by being separated from commercial power.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;
FIG. 2 is a side view of the structure of FIG. 1;
FIG. 3 is a schematic front view of the air suspension ball shown in FIG. 1;
FIG. 4 is a schematic side view of the air suspension ball shown in FIG. 1;
fig. 5 is a schematic structural diagram of a second embodiment of the present invention.
Reference numbers in the figures: 1. platform, 2, height adjusting screw, 3, restraint guide rail, 4, baffle, 5, gas suspension ball, 6, fixed pulley, 7, host computer, 8, lithium cell, 9, reflection type photoelectric door, 10, light barrier, 11, spacing hole.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
The first embodiment:
please refer to fig. 1-4 in combination, which illustrate a first embodiment of the present invention. The comprehensive experiment instrument for air suspension ball movement comprises: a platform 1;
the height adjusting device comprises height adjusting screws 2, eight height adjusting screws 2 are arranged on a platform 1;
a restraint rail 3, said restraint rail 3 mounted on the top side of the platform 1;
the two baffles 4 are respectively arranged on two sides of the restraint guide rail 3;
an air suspension ball 5, wherein the air suspension ball 5 is installed on the top side of the restraint guide rail 3;
the fixed pulley 6 is arranged on one side of the platform 1;
a host 7, the host 7 being mounted on a top side of the platform 1;
a lithium battery 8, the lithium battery 8 being mounted on the top side of the platform 1;
reflective photovoltaic gates 9, three of said reflective photovoltaic gates 9 being mounted on the top side of said platform 1.
The host computer includes singlechip, bluetooth module, TFT serial ports screen and matrix keyboard, and the model of singlechip is STM32F103C8T 6.
The distance between two adjacent reflective photoelectric gates 9 is thirty centimeters.
The platform 1 is a black acrylic plate with the thickness of eight millimeters, the length of one hundred twenty centimeters and the width of thirty centimeters.
The height adjusting screw 2 has a diameter of eight millimeters and a length of four millimeters.
The restraining guide rail 3 is a glass fiber rod made of materials with the diameter of four millimeters and the length slightly smaller than that of the platform 1, and the platform 1 is divided into two parts with the widths of thirteen centimeters and seventeen centimeters by the restraining guide rail 3.
The fixed pulley 6 is four centimeters higher than the upper surface of the platform 1.
A dry battery is arranged in the air suspension ball 5, and the air suspension ball 5 can blow air downwards to form an air cushion after being electrified, so that the air suspension ball 5 is suspended two millimeters above the platform 1.
The bottom side of the air suspension ball 5 is provided with a limiting hole 11, the width and the depth of the limiting hole 11 are slightly larger than four millimeters, and the limiting hole 11 is matched with the constraint guide rail 3.
The top of the air suspension ball 5 is fixedly provided with a light blocking sheet 10, the width of the light blocking sheet 10 is forty millimeters, and the diameters of the light blocking sheet 10 and the limiting hole 11 are on the same vertical plane.
In the test of the first embodiment, a high-precision electronic scale is required for measuring the mass of the air suspension ball and the magnitude of resultant force during the movement of the air suspension ball.
The utility model provides an air suspension ball motion comprehensive experiment appearance's theory of operation as follows:
the experimental operation steps are as follows: measuring the mass m of two balls by an electronic scale1And m2Inputting the measured data into the host computer; adjusting the experimental platform to be horizontal, placing the touched ball at the position close to the reflective photoelectric gate 2 between the reflective photoelectric gates 1 and 2, and placing the incident ball at the outer side close to the reflective photoelectric gate 1; the incident ball is quickly pushed to give an initial speed, and a hand must be loosened before the incident ball reaches the reflective photoelectric door 1; the velocity v of the incident ball is measured by the reflective photoelectric gate 10The two balls collide between the reflecting photoelectric gates 1 and 2, and the reflecting photoelectric gate 2 measures the final speed v of the collided balls2The final velocity of the incident ball, if measured by the reflective phototransistor 2, is v1If measured by the reflective shutter 1, the signal indicates a bounce of-v1. The main machine automatically calculates the total momentum m of the system before collision1.v0Total momentum m of the system after collision1.v1+m2.v2Or-m1.v1+m2.v2(case of incident ball bounce).
The verification method comprises the following steps: and comparing whether the total momentum of the system before and after collision is equal or not, thereby verifying the momentum conservation law.
Interpretation of experimental results:
| conservation of energy in collisions |
| Collision mass: 193g impacted mass: 126g |
| Width of the speed measuring light barrier: 40mm |
| Initial velocity of collision object: 125cm/s |
| Collision object final speed: 63cm/s |
| End speed of the collided object: 94cm/s |
| Total momentum of the system before collision: 24125g.cm/s |
| Total momentum of system after collision: 24003g.cm/s |
| Conservation of energy in collisions |
| Collision mass: 126g impacted mass: 193g |
| Width of the speed measuring light barrier: 40mm |
| Initial velocity of collision object: 182cm/s |
| Collision object final speed: 13cm/s |
| End speed of the collided object: 115cm/s |
| Total momentum of the system before collision: 22932g.cm/s |
| Total momentum of system after collision: 22699g.cm/s |
| Conservation of energy in collisions |
| Collision mass: 193g impacted mass: 193g |
| Width of the speed measuring light barrier: 40mm |
| Initial velocity of collision object: 208cm/s |
| Collision object final speed: 29cm/s |
| End speed of the collided object: 178cm/s |
| Total momentum of the system before collision: 40144g.cm/s |
| Total momentum of system after collision: 39951g.cm/s |
From left to right, the experimental results of the collision of a large mass with a small mass, the collision of a small mass with a large mass and the collision of two balls with the same mass are respectively shown. The interpretation result with the first set of data is: mass m of incident ball1193g, mass m of ball hit2126g, width d of light barrier 40mm, initial velocity v of incident ball0＝125cm/s、Last velocity v1Speed v of the ball being hit at 63cm/s2The total momentum of the system before and after collision is 24125g.cm/s and 24003g.cm/s respectively, the total momentum of the system before and after collision is equal in an error allowable range, and the momentum conservation law is proved.
Second embodiment:
in the test of the second embodiment, a high-precision electronic scale is required for measuring the mass of the air suspension ball and the resultant force during the movement of the air suspension ball.
Based on the air suspension ball movement comprehensive experiment instrument provided by the first embodiment of the application, the second embodiment of the application provides another air suspension ball movement comprehensive experiment instrument. The second embodiment is merely a preferred way of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.
The second embodiment of the present invention will be further explained with reference to the drawings and the embodiments.
Referring to fig. 5, the difference between the present embodiment and the first embodiment is:
the experimental operation steps are as follows: referring to fig. 5, one end of the experiment platform is raised so that the air suspension ball can slide down along the inclined plane acceleration under the action of the gravity component of the air suspension ball; electronically measuring the quality of the balloon, and inputting data into a host; one end of the string is tied with a small sucker, the sucker is sucked in the center of the electronic scale pan, the other end of the string crosses over a fixed pulley to be connected with the air suspension ball, the position of the electronic scale is adjusted to enable the string to be perpendicular to the scale pan, the reading of the electronic scale is equal to the downward gravity component of the air suspension ball along the inclined plane under the balance condition, namely the downward resultant force F of the air suspension ball, and the resultant force F is input into the host; the air suspension ball is separated from the string and freely slides down along the inclined plane, and the shading time of the air suspension ball passing through the first photoelectric gate is delta t1The light shielding time of the third photogate is delta t2The time difference of passing through one, three and two photoelectric gates is t, d is the width of the light blocking sheet, and the single chip microcomputer automatically calculates the acceleration through the following formula:
the verification method comprises the following steps: the single chip microcomputer automatically calculates the product ma of the mass m of the air suspension ball and the acceleration a of the air suspension ball, and only needs to compare whether the resultant force F is equal to the ma, so that Newton's second law can be verified.
Interpretation of experimental results:
| verification of Newton's second law |
| Mass of the object: m is 193g |
| Width of the baffle: d is 40mm |
| The magnitude of the resultant force is as follows: F-0.1891N |
| Acceleration: a is 0.9796m/s |
| Mass-multiplied acceleration: m/s of 0.1890Kg2 |
The mass m of the air suspension ball is 193g, the width d of the light barrier is 40mm, the resultant force F of the air suspension ball sliding is 0.1891N, the acceleration a is 0.9796m/s2, and the product m of the mass of the air suspension ball and the acceleration isaM/s2 of 0.1990kg. Within the allowable range of experimental error, F is equal to ma, and Newton's second law proves.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (10)
1. The utility model provides an air suspension ball motion comprehensive experiment appearance which characterized in that includes:
a platform;
the eight height adjusting screws are arranged on the platform;
a restraint rail mounted on a top side of the platform;
the two baffles are respectively arranged on two sides of the constraint guide rail;
an air suspension ball mounted on a top side of the restraint rail;
the fixed pulley is arranged on one side of the platform;
a host mounted on a top side of the platform;
a lithium battery mounted on a top side of the platform;
reflective photovoltaic gates, three of which are mounted on the topside of the platform.
2. The comprehensive experiment instrument for air suspension ball sports of claim 1, wherein the host comprises a single chip microcomputer, a Bluetooth module, a TFT serial port screen and a matrix keyboard, and the model of the single chip microcomputer is STM32F103C8T 6.
3. The comprehensive air suspension ball movement tester as claimed in claim 1, wherein the distance between two adjacent reflective photoelectric gates is thirty centimeters.
4. The comprehensive air suspension ball exercise tester as claimed in claim 1, wherein the platform is a black acrylic plate with a thickness of eight millimeters, a length of one hundred twenty centimeters and a width of thirty centimeters.
5. The comprehensive air suspension ball movement tester as claimed in claim 1, wherein the height adjusting screw has a diameter of eight millimeters and a length of four millimeters.
6. The comprehensive experimental instrument for the movement of the air suspension ball as claimed in claim 1, wherein the constraining guide rail is a glass fiber rod made of a material with a diameter of four millimeters and a length slightly less than the length of the platform, and divides the platform into two parts with widths of thirteen centimeters and seventeen centimeters respectively.
7. The comprehensive air suspension ball movement tester as claimed in claim 1, wherein the fixed pulley is four centimeters higher than the upper surface of the platform.
8. The comprehensive experiment instrument for air suspension ball movement according to claim 1, wherein a dry battery is installed in the air suspension ball, and the air suspension ball can blow air downwards after being electrified to form an air cushion, so that the air suspension ball is suspended two millimeters above the platform.
9. The comprehensive experiment instrument for air suspension ball movement according to claim 1, wherein a limiting hole is formed in the bottom side of the air suspension ball, the width and the depth of the limiting hole are slightly larger than four millimeters, and the limiting hole is matched with the constraint guide rail.
10. The comprehensive experiment instrument for air suspension ball movement according to claim 1, wherein a light blocking sheet is fixedly installed at the top of the air suspension ball, the width of the light blocking sheet is forty millimeters, and the light blocking sheet and the diameter of the limiting hole are on the same vertical plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020189353.1U CN212208676U (en) | 2020-02-20 | 2020-02-20 | Air suspension ball movement comprehensive experiment instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020189353.1U CN212208676U (en) | 2020-02-20 | 2020-02-20 | Air suspension ball movement comprehensive experiment instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212208676U true CN212208676U (en) | 2020-12-22 |
Family
ID=73819881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020189353.1U Expired - Fee Related CN212208676U (en) | 2020-02-20 | 2020-02-20 | Air suspension ball movement comprehensive experiment instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212208676U (en) |
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2020
- 2020-02-20 CN CN202020189353.1U patent/CN212208676U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201222 |