CN206134040U - Acceleration of gravity test physics experimental apparatus - Google Patents
Acceleration of gravity test physics experimental apparatus Download PDFInfo
- Publication number
- CN206134040U CN206134040U CN201620483266.0U CN201620483266U CN206134040U CN 206134040 U CN206134040 U CN 206134040U CN 201620483266 U CN201620483266 U CN 201620483266U CN 206134040 U CN206134040 U CN 206134040U
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- acceleration
- vacuum cylinder
- switch
- connection
- processor
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Abstract
The utility model discloses an acceleration of gravity test physics experimental apparatus, including test platform, the test platform surface sets gradually level bar, transparent vacuum cylinder and aspiration pump, transparent vacuum cylinder sets up height scale, the test platform bottom sets up four adjusting bolt, transparent vacuum cylinder bottom sets up the vulcanie pad, the inside pressure sensor that sets up of vulcanie pad, transparent vacuum cylinder upper portion sets up electric telescopic handle, electric telescopic handle connects telescopic link controlling means, the electric telescopic handle top sets up the electro -magnet, electromagnet switch is connected to the electro -magnet, electromagnet switch connect the processor, pressure sensor connect the processor, switch is connected to the treater, switch connects the battery, the battery is connected to the aspiration pump, the time -recorder is connected to the treater. The utility model provides an acceleration of gravity test physics experimental apparatus test method is simply directly perceived, easy to operate.
Description
Technical field
This utility model is related to a kind of physics facility, and in particular to a kind of acceleration of gravity test Physical Experiment dress
Put.
Background technology
Gravity acceleration g is a very important concept in high school physicses, and its physical connotation is also very abundant, and gravity accelerates
Degree test experiments are also one of Physical Experiment that high school student must do.At present, the conventional method of testing of acceleration of gravity is surveyed for single pendulum
Examination method and falling ball method, when being tested using single pendulum method of testing, need the secondary of the full vibration of one personal record of a personal record time
Number, operate it is more complicated, and two personal record single pendulums full vibration number and the single pendulum time be very easy to very big mistake occur
Difference, needs carry out operation is repeated several times, and have a strong impact on the progress of student experimenting；Falling ball method measuring gravity acceleration, principle is simple, ratio
It is relatively directly perceived, contribute to the understanding of student, but when testing in this way, the time that gravitation ball falls be shorter, timing with
The landing time can cause certain error to have a strong impact on the result of experiment.Chinese Patent Application No.：201520164332.3 it is open
Acceleration of gravity experiment teaching aid, by arranging the vacuum-pumping tube being adapted with evacuator in upper sealing-plug, and upper and lower
Sealing-plug is respectively provided with electric magnet to adsorb lower falling sphere, when being tested opens control circuit, ultrasonic range finder and first,
Second electric magnet, the lower falling sphere of absorption, but need when in use to find level table, or adjusted using other supplementary meanss
Engagement positions are horizontal, meanwhile, the device can only be tested from sustained height, and test process is more single.So, can
To fall from differing heights, the acceleration of gravity test device of convenient adjustment horizontal level becomes an emphasis of current research.
Utility model content
The purpose of this utility model is to provide a kind of acceleration of gravity physics facility, can only be to solve existing apparatus
Sustained height carries out the problem for testing acceleration of gravity.
A kind of acceleration of gravity test physics facility that this utility model is provided, including test platform, the test
Platform surface sets gradually horizon rule, transparent vacuum cylinder and air pump, and the transparent vacuum cylinder rational height scale is described transparent
Vacuum cylinder connects air pump using trachea, and the test platform bottom arranges four regulating bolts, the transparent vacuum cylinder bottom
Vulcanie pad is set, pressure transducer is set inside the vulcanie pad, the transparent vacuum cylinder top arranges electronic stretching
Contracting bar, the electric expansion bar connection expansion link control device arrange electric magnet, the electric magnet at the top of the electric expansion bar
Iron ball is set, and the electric magnet connection connection electro-magnet switch, the electro-magnet switch connect processor, the pressure transducer
Connection processor, the processor connect on and off switch, and the on and off switch connects battery, and the air pump connects battery, institute
Processor connection timer is stated, the processor, on and off switch, battery and timer are arranged in control box.
Further, the electromagnetism iron surface is provided with arc groove.
Further, sealed using fluid sealant between the transparent vacuum cylinder bottom and test platform.
Further, sealed using fluid sealant and flexible bar controlling between at the top of the transparent vacuum cylinder.
Further, the regulating bolt is uniformly arranged on four angles of test platform bottom.
The beneficial effects of the utility model are：
（1）The acceleration of gravity test physics facility that this utility model is provided, when being tested, first by and off switch
Open, iron ball adsorbs on electric magnet, then carries out evacuation, make test environment be in vacuum state, it is to avoid air drag pair
Test result produces impact, is then shut off electro-magnet switch, iron ball free-falling, while timer starts meter, when iron ball is reached
During bottom, pressure transducer receives signal, and by signal transmission to processor, processor control timer stops, finally according to when
Between and iron ball fall height easily acceleration of gravity is calculated.
（2）The acceleration of gravity test physics facility that this utility model is provided, by being arranged on test platform bottom
Four regulating bolts, can conveniently adjust the horizontal level of this device, it is to avoid existing test equipment or device adjust level
The more troublesome problem of state；Meanwhile, the height from vulcanie pad of iron ball can be adjusted by electric expansion bar, be beneficial to
Classmate carries out the iron ball experiment with falling objects of differing heights, deepens classmate and acceleration of gravity is further understood；Additionally, transparent
Vacuum cylinder facilitates classmate to observe the movement locus of iron ball, and the various problems to producing in experiment are corrected in time, on vacuum cylinder
The altitude scale of setting can make classmate intuitively measure the height of iron ball whereabouts, it is to avoid using the trouble of supplemental measurement tool.
Description of the drawings
Fig. 1 is that a kind of acceleration of gravity of this utility model tests physics facility structural representation；
Accompanying drawing sign 1, test platform；2nd, horizon rule；3rd, transparent vacuum cylinder；4th, air pump；5th, regulating bolt；6th, hard rubber
Rubber cushion；7th, pressure transducer；8th, electric expansion bar；9th, stretch bar controlling；10th, electric magnet；11st, iron ball；12nd, processor；
13rd, on and off switch；14th, battery；15th, timer；16th, electro-magnet switch；17th, control box.
Specific embodiment
Principle of the present utility model and feature are described below in conjunction with example, example is served only for explaining this practicality
It is new, it is not intended to limit scope of the present utility model.
As shown in figure 1, a kind of acceleration of gravity tests physics facility, including test platform 1, the test platform 1
Surface sets gradually horizon rule 2, transparent vacuum cylinder 3 and air pump 4, and 3 rational height scale of the transparent vacuum cylinder is described transparent
Vacuum cylinder 3 connects air pump 4 using trachea, and 1 bottom of the test platform arranges four regulating bolts 5, the transparent vacuum cylinder 3
Bottom arranges vulcanie pad 6, and pressure transducer 7 is arranged inside the vulcanie pad 6, and 3 top of transparent vacuum cylinder sets
Electric expansion bar 8 is put, 8 connection expansion link control device 9 of the electric expansion bar arranges electromagnetism at the top of the electric expansion bar 8
Ferrum 10, the electric magnet 10 arrange iron ball 11, the connection connection electro-magnet switch 16 of the electric magnet 10, the electro-magnet switch 16
Connection processor 12, the connection processor 12 of the pressure transducer 7, the connection on and off switch 13 of the processor 12, the power supply
13 connection battery 14 of switch, the connection battery 14 of the air pump 4,12 connection timer 15 of the processor, the processor 12,
On and off switch 13, battery 14 and timer 15 are arranged in control box 17.
Further, 10 surface of the electric magnet is provided with arc groove.
Further, sealed using fluid sealant between 3 bottom of transparent vacuum cylinder and test platform 1.
Further, sealed using fluid sealant and flexible bar controlling 9 between at the top of the transparent vacuum cylinder 3.
Further, the regulating bolt 5 is uniformly arranged on four angles of 1 bottom of test platform.
Preferred embodiment of the present utility model is the foregoing is only, it is not to limit this utility model, all in this practicality
Within new spirit and principle, any modification, equivalent substitution and improvements made etc. should be included in guarantor of the present utility model
Within the scope of shield.
Claims (5)
1. a kind of acceleration of gravity tests physics facility, including test platform（1）, it is characterised in that：The test platform
（1）Surface sets gradually horizon rule（2）, transparent vacuum cylinder（3）And air pump（4）, the transparent vacuum cylinder（3）Rational height is carved
Degree, the transparent vacuum cylinder（3）Air pump is connected using trachea（4）, the test platform（1）Bottom arranges four regulating bolts
（5）, the transparent vacuum cylinder（3）Bottom arranges vulcanie pad（6）, the vulcanie pad（6）It is internal that pressure sensing is set
Device（7）, the transparent vacuum cylinder（3）Top arranges electric expansion bar（8）, the electric expansion bar（8）Connection expansion link is controlled
Device（9）, the electric expansion bar（8）Top arranges electric magnet（10）, the electric magnet（10）Iron ball is set（11）, the electricity
Magnet（10）Connection electro-magnet switch（16）, the electro-magnet switch（16）Connection processor（12）, the pressure transducer（7）
Connection processor（12）, the processor（12）Connection on and off switch（13）, the on and off switch（13）Connection battery（14）, institute
State air pump（4）Connection battery（14）, the processor（12）Connection timer（15）, the processor（12）, on and off switch
（13）, battery（14）And timer（15）It is arranged on control box（17）It is interior.
2. a kind of acceleration of gravity according to claim 1 tests physics facility, it is characterised in that：The electric magnet
（10）Surface is provided with arc groove.
3. a kind of acceleration of gravity according to claim 1 tests physics facility, it is characterised in that：It is described transparent true
Empty cylinder（3）Bottom and test platform（1）Between sealed using fluid sealant.
4. a kind of acceleration of gravity according to claim 1 tests physics facility, it is characterised in that：It is described transparent true
Empty cylinder（3）Top and flexible bar controlling（9）Between sealed using fluid sealant.
5. a kind of acceleration of gravity according to claim 1 tests physics facility, it is characterised in that：The regulation spiral shell
Bolt（5）Test platform is arranged on uniformly（1）Four angles of bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620483266.0U CN206134040U (en) | 2016-05-25 | 2016-05-25 | Acceleration of gravity test physics experimental apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620483266.0U CN206134040U (en) | 2016-05-25 | 2016-05-25 | Acceleration of gravity test physics experimental apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206134040U true CN206134040U (en) | 2017-04-26 |
Family
ID=58560578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620483266.0U Expired - Fee Related CN206134040U (en) | 2016-05-25 | 2016-05-25 | Acceleration of gravity test physics experimental apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206134040U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107356959A (en) * | 2017-06-27 | 2017-11-17 | 中国地震局工程力学研究所 | Integral sensor leveling device |
| CN107680454A (en) * | 2017-11-23 | 2018-02-09 | 钟建成 | A kind of experimental provision for being used to measure local gravitational acceleration |
| CN108538157A (en) * | 2018-04-23 | 2018-09-14 | 韩昱威 | A kind of physics experiment with falling objects improvement device |
| CN108877421A (en) * | 2018-07-20 | 2018-11-23 | 佛山科枫文化传播有限公司 | A kind of physics teaching free fall experimental device |
| CN109192012A (en) * | 2018-08-31 | 2019-01-11 | 南京理工大学 | A kind of physical mechanics acceleration of gravity measuring device |
| CN109345921A (en) * | 2018-10-18 | 2019-02-15 | 华北理工大学 | A kind of simplified teaching mode of mechanics |
| CN110148335A (en) * | 2019-05-25 | 2019-08-20 | 侯凯文 | A kind of high school physics experiment with falling objects simulator |
| CN113240980A (en) * | 2021-03-25 | 2021-08-10 | 桂林电子科技大学 | Gravity acceleration measuring device and measuring method thereof |
| CN113568059A (en) * | 2021-07-22 | 2021-10-29 | 柯琪 | Device for measuring gravity acceleration by laser method |
-
2016
- 2016-05-25 CN CN201620483266.0U patent/CN206134040U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107356959A (en) * | 2017-06-27 | 2017-11-17 | 中国地震局工程力学研究所 | Integral sensor leveling device |
| CN107356959B (en) * | 2017-06-27 | 2023-05-23 | 中国地震局工程力学研究所 | Integrated sensor level adjusting device |
| CN107680454A (en) * | 2017-11-23 | 2018-02-09 | 钟建成 | A kind of experimental provision for being used to measure local gravitational acceleration |
| CN108538157A (en) * | 2018-04-23 | 2018-09-14 | 韩昱威 | A kind of physics experiment with falling objects improvement device |
| CN108877421A (en) * | 2018-07-20 | 2018-11-23 | 佛山科枫文化传播有限公司 | A kind of physics teaching free fall experimental device |
| CN109192012A (en) * | 2018-08-31 | 2019-01-11 | 南京理工大学 | A kind of physical mechanics acceleration of gravity measuring device |
| CN109345921A (en) * | 2018-10-18 | 2019-02-15 | 华北理工大学 | A kind of simplified teaching mode of mechanics |
| CN110148335A (en) * | 2019-05-25 | 2019-08-20 | 侯凯文 | A kind of high school physics experiment with falling objects simulator |
| CN110148335B (en) * | 2019-05-25 | 2020-12-29 | 侯凯文 | High school physics free fall experiment analogue means |
| CN113240980A (en) * | 2021-03-25 | 2021-08-10 | 桂林电子科技大学 | Gravity acceleration measuring device and measuring method thereof |
| CN113240980B (en) * | 2021-03-25 | 2023-05-30 | 桂林电子科技大学 | Gravity acceleration measuring device and measuring method thereof |
| CN113568059A (en) * | 2021-07-22 | 2021-10-29 | 柯琪 | Device for measuring gravity acceleration by laser method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170426 Termination date: 20210525 |
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| CF01 | Termination of patent right due to non-payment of annual fee |