CN205827737U - A kind of period of single pendulum measurement apparatus - Google Patents
A kind of period of single pendulum measurement apparatus Download PDFInfo
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- CN205827737U CN205827737U CN201620291192.0U CN201620291192U CN205827737U CN 205827737 U CN205827737 U CN 205827737U CN 201620291192 U CN201620291192 U CN 201620291192U CN 205827737 U CN205827737 U CN 205827737U
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- period
- measurement apparatus
- base
- single pendulum
- measuring device
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Abstract
The utility model discloses a kind of period of single pendulum measurement apparatus, including base, the middle part of described base is provided with impulse measuring device, impulse measuring device be arranged over U-shaped bracing frame, the two ends, bottom of described U-shaped bracing frame are fixing with base to be connected, and the top connection of described U-shaped bracing frame has cycloid, the bottom of cycloid connects iron ball, described base is provided with two shifting chutes, and shifting chute is distributed in the bottom activity clamping of the both sides of impulse measuring device one end, shifting chute and support bar.This period of single pendulum measurement apparatus is reasonable in design, to provide vacuum environment for experiment by bell glass, avoid iron ball to be affected by air drag in experimentation, this device is additionally provided with expansion link and shifting chute to control the starting altitude of iron ball, data more accurately are drawn with this, this period of single pendulum measurement apparatus can form Experimental comparison's property, so that experimental result is more accurate during measuring.
Description
Technical field
This utility model relates to technical field of physical experiment, is specially a kind of period of single pendulum measurement apparatus.
Background technology
In physics laboratory, the acceleration of gravity of locality typically can be measured with simple pendulum device.Traditional simple pendulum device
It is made up of the heavy ball of a rigidity light fine rule and small volume, first measures pendulum length during measurement, then measure list with stopwatch
The hunting period of pendulum, just can calculate local acceleration of gravity, there is following error in traditional measurement apparatus: first, uses hands
After swing ball is pulled away from equilbrium position, swing ball swings back and forth and the situation of conical pendu0 in a plane, may not i.e. occurs；Second,
Use stopwatch record, need whether operator's perusal swing ball reaches equilbrium position, there is personal error；3rd, in the process of measurement
Middle iron ball athletic meeting is affected by air drag, and experimental result is produced certain impact.To this end, it is proposed that a kind of single pendulum
Period measurement device.
Utility model content
The purpose of this utility model is to provide a kind of period of single pendulum measurement apparatus, to solve to propose in above-mentioned background technology
Problem.
For achieving the above object, this utility model following technical scheme of offer: a kind of period of single pendulum measurement apparatus, the end of including
Seat, the middle part of described base is provided with impulse measuring device, impulse measuring device be arranged over U-shaped bracing frame, described U-shaped bracing frame
Two ends, bottom are fixing with base to be connected, and the top of described U-shaped bracing frame connects cycloid, and the bottom of cycloid connects iron ball,
Described base is provided with two shifting chutes, and shifting chute is distributed in the both sides of impulse measuring device one end, shifting chute and support bar
Bottom activity clamping, the top of two support bars is connected by cross bar, and the middle part of cross bar is provided with electric magnet, described base
Side is provided with switch, and the opposite side of base is provided with and stores room, described in store room be provided with intelligent computer, the upper table of described base
Face is provided with bell glass, and the side of bell glass is provided with in air extraction tube, and air extraction tube and is provided with valve.
Preferably, described support bar is expansion link.
Preferably, described electric magnet and impulse measuring device electrically connect with switch respectively, and the outfan of impulse measuring device is even
Connect the input of intelligent computer.
Preferably, described in store the both sides, inside of room and be provided with slide rail, the side of slide rail correspondence intelligent computer is provided with pulley,
Described pulley coordinates installation with slide rail, and the number of pulley is no less than four and equidistant arrangement.
Preferably, bottom sides edge and the base of described bell glass is sealed by sealing gasket and arranges.
Compared with prior art, the beneficial effects of the utility model are: this period of single pendulum measurement apparatus is reasonable in design, practical
Property strong, this device is provided with bell glass to provide vacuum environment for experiment, it is to avoid iron ball in experimentation by air drag
Impact, this device is additionally provided with expansion link and shifting chute to control the starting altitude of iron ball, draws with this and count more accurately
According to, this period of single pendulum measurement apparatus can form Experimental comparison's property, so that experimental result is more accurate during measuring.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation；
Fig. 2 is this utility model overall structure schematic diagram.
In figure: 1 base, 2 support bars, 3 electric magnet, 4 shifting chutes, 5 cycloids, 6 iron balls, 7 U-shaped bracing frames, 8 impulsive measurements
Instrument, 9 intelligent computers, 10 store room, 11 switches, 12 bell glasss, 13 air extraction tubes, 14 valves.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under making creative work premise
The every other embodiment obtained, broadly falls into the scope of this utility model protection.
Referring to Fig. 1-2, a kind of technical scheme of this utility model offer: a kind of period of single pendulum measurement apparatus, including base
1, the middle part of base 1 is provided with impulse measuring device 8, impulse measuring device 8 be arranged over U-shaped bracing frame 7, the bottom of U-shaped bracing frame 7
Two ends are fixing with base 1 to be connected, and the top of U-shaped bracing frame 7 connects cycloid 5, and the bottom of cycloid 5 connects iron ball 6, iron ball
6 internal soundnesses are uniform, and center of gravity is positioned in iron ball 6 in the heart, and the elastic deformation that U-shaped bracing frame 7 produces in iron ball 6 swing process is micro-
It is micro-, it is to avoid the external power impact on experimental result in experimentation, base 1 is provided with two shifting chutes 4, and shifting chute
4 both sides being distributed in impulse measuring device 8 one end, shifting chute 4 and the bottom activity clamping of support bar 2, the top of two support bars 2
Being connected by cross bar, and the middle part of cross bar is provided with electric magnet 3, support bar 2 is expansion link, and electric magnet 3 is inhaled before measurement starts
Attached iron ball 6, support bar 2 changes the starting altitude of iron ball 6 by moving and stretching, conveniently draws and organize experimental data more, make reality
Testing resultant error less, the side of base 1 is provided with switch 11, and the opposite side of base 1 is provided with and stores room 10, stores in room 10 and is provided with
Intelligent computer 9, the both sides, inside storing room 10 are provided with slide rail, and the side of slide rail correspondence intelligent computer 9 is provided with pulley, pulley
Coordinate installation with slide rail, the number of pulley is no less than four and equidistant arrangement, and intelligent computer 9 can be deposited after experiment
In storing room 10, then with when can take out in storing room 10 again, electric magnet 3 and impulse measuring device 8 are respectively and open
Close 11 electrical connections, and the outfan of impulse measuring device 8 connects the input of intelligent computer 9, by impulse measuring device 8 and intelligence
The cooperation of computer 9 can calculate period of single pendulum, and the upper surface of base 1 is provided with bell glass 12, the bottom sides edge of bell glass 12
Sealing setting with base 1 by sealing gasket, the side of bell glass 12 is provided with in air extraction tube 13, and air extraction tube 13 installation
Having a valve 14, bell glass 12 is that experiment provides vacuum environment, it is to avoid iron ball 6 in experimentation by the shadow of air drag
Ringing, make experimental result more accurate, this period of single pendulum measurement apparatus can form Experimental comparison's property during measuring, so that
Experimental result is more accurate.
Embodiment the most of the present utility model, for the ordinary skill in the art,
It is appreciated that in the case of without departing from principle of the present utility model and spirit and these embodiments can be carried out multiple change, repair
Changing, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a period of single pendulum measurement apparatus, including base (1), it is characterised in that: the middle part of described base (1) is provided with pulse and surveys
Amount instrument (8), impulse measuring device (8) be arranged over U-shaped bracing frame (7), the two ends, bottom of described U-shaped bracing frame (7) and base
(1) fixing connection, the top of described U-shaped bracing frame (7) connects cycloid (5), and the bottom of cycloid (5) connects iron ball (6),
Described base (1) is provided with two shifting chutes (4), and shifting chute (4) is distributed in the both sides of impulse measuring device (8) one end, mobile
Groove (4) and the bottom activity clamping of support bar (2), the top of two support bars (2) is connected by cross bar, and the middle part peace of cross bar
Equipped with electric magnet (3), the side of described base (1) is provided with switch (11), and the opposite side of base (1) is provided with and stores room (10), institute
Stating to store and be provided with intelligent computer (9) in room (10), the upper surface of described base (1) is provided with bell glass (12), bell glass (12)
Side be provided with in air extraction tube (13), and air extraction tube (13) valve (14) be installed.
A kind of period of single pendulum measurement apparatus the most according to claim 1, it is characterised in that: described support bar (2) is flexible
Bar.
A kind of period of single pendulum measurement apparatus the most according to claim 1, it is characterised in that: described electric magnet (3) and pulse
Measuring instrument (8) electrically connects with switch (11) respectively, and the outfan of impulse measuring device (8) connects the input of intelligent computer (9)
End.
A kind of period of single pendulum measurement apparatus the most according to claim 1, it is characterised in that store the inside of room (10) described in:
Both sides are provided with slide rail, and the side of slide rail correspondence intelligent computer (9) is provided with pulley, and described pulley coordinates installation, pulley with slide rail
Number no less than four and equidistant arrangement.
A kind of period of single pendulum measurement apparatus the most according to claim 1, it is characterised in that: the bottom of described bell glass (12)
Edge and base (1) are sealed by sealing gasket and arrange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620291192.0U CN205827737U (en) | 2016-04-11 | 2016-04-11 | A kind of period of single pendulum measurement apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620291192.0U CN205827737U (en) | 2016-04-11 | 2016-04-11 | A kind of period of single pendulum measurement apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205827737U true CN205827737U (en) | 2016-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620291192.0U Expired - Fee Related CN205827737U (en) | 2016-04-11 | 2016-04-11 | A kind of period of single pendulum measurement apparatus |
Country Status (1)
| Country | Link |
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| CN (1) | CN205827737U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107038936A (en) * | 2017-05-19 | 2017-08-11 | 安徽信息工程学院 | Doppler effect experimental provision |
| CN111031974A (en) * | 2017-08-30 | 2020-04-17 | 马尼株式会社 | Back-flushing needle |
-
2016
- 2016-04-11 CN CN201620291192.0U patent/CN205827737U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107038936A (en) * | 2017-05-19 | 2017-08-11 | 安徽信息工程学院 | Doppler effect experimental provision |
| CN111031974A (en) * | 2017-08-30 | 2020-04-17 | 马尼株式会社 | Back-flushing needle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161221 Termination date: 20180411 |
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| CF01 | Termination of patent right due to non-payment of annual fee |