CN206805167U - A kind of timer of senior middle school's natural sciences Physical Experiment - Google Patents
A kind of timer of senior middle school's natural sciences Physical Experiment Download PDFInfo
- Publication number
- CN206805167U CN206805167U CN201720712855.6U CN201720712855U CN206805167U CN 206805167 U CN206805167 U CN 206805167U CN 201720712855 U CN201720712855 U CN 201720712855U CN 206805167 U CN206805167 U CN 206805167U
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- Prior art keywords
- timer
- paper tape
- shakes
- bottom plate
- fixed
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Abstract
The utility model discloses a kind of timer of senior middle school's natural sciences Physical Experiment, including timer bottom plate, coil is fixed with by fixed screw on the timer floor level center line, the inside of the coil, which is run through, the piece that shakes, and the piece other end that shakes is provided with the pin that shakes, permanent magnet is fixed with by mounting seat positioned at the piece side that shakes on the timer bottom plate, on the timer bottom plate paper tape chute is provided with below the pin that shakes, and paper tape chute both ends are symmetrically welded with two spacing holes, level meter is embedded with positioned at paper tape chute side on the timer bottom plate.In the utility model, first by the way that paper tape is fixed provided with paper tape chute, it is fixed compared to traditional using gallows, resistance can be reduced using paper tape chute so that experiment is more accurate, while prevents paper tape from breaking, secondly, by being fixed with paper tape spool by being rotatablely connected axle, collection can be fixed to the paper tape got ready, so that enhanced convenience during experiment.
Description
Technical field
It the utility model is related to teaching experiment equipment technical field, more particularly to a kind of meter of senior middle school's natural sciences Physical Experiment
When device.
Background technology
Dotted timer is a kind of instrument of time of measuring.If the paper tape that moving object drives by dotted timer,
The point laid on paper tape just have recorded the time of object of which movement, and the point on paper tape also indicates moving object not accordingly
Position in the same time.Study the interval between each point on paper tape, so that it may which the motion frequency of object analysis, electromagnetic shooting point timer are
A kind of time keeping instrument using AC power, its operating voltage are less than 6V, usually 4 ~ 6V, and the frequency of power supply is 50Hz, and it is every
Once point is beaten every 0.02s, i.e., makes a call to 50 points within one second.Electric spark clock is that ink marks is got on paper tape using spark discharge
And the time keeping instrument of a mark is shown, using 220V AC voltage, when frequency is 50Hz, it beats once point every 0.02s.Electricity
When spark timer works, the suffered comparison of resistance of paper tape motion is small, and it is smaller than electromagnetic shooting point timer experimental error.Electric fire
Flower gets principle ready：The supply voltage size of alternating current can periodically-varied, when magnitude of voltage reaches it is larger when（It is commonly considered as maximum
When）, electric spark will be released, then electric spark can periodically occur, because paper is non-conductive, so can not attract electric spark
On paper, and the carbon film as conductor just serves the effect of " drawing thunder ", by the marking " beating " on paper tape.
Traditional dotted timer structure is relatively simple, and when being tested, the resistance of paper tape is larger, during experiment error compared with
Greatly, and paper tape collection device is lacked, it is not convenient enough during experiment.
Utility model content
The purpose of this utility model is and a kind of senior middle school's natural sciences thing proposed in order to solve shortcoming present in prior art
Manage the timer of experiment.
To achieve these goals, the utility model employs following technical scheme：A kind of senior middle school's natural sciences Physical Experiment is used
Timer, including timer bottom plate, coil, the line are fixed with by fixed screw on the timer floor level center line
The inside of circle, which is run through, the piece that shakes, and the piece other end that shakes is provided with the pin that shakes, and being located at the piece side that shakes on the timer bottom plate passes through installation
Base is fixed with permanent magnet, and paper tape chute, and paper tape chute both ends pair are provided with below the pin that shakes on the timer bottom plate
Title is welded with two spacing holes, and level meter, the timer bottom are embedded with positioned at paper tape chute side on the timer bottom plate
On plate paper tape spool, described four corners of timer bottom plate are rotatably connected to positioned at paper tape chute one end by being rotatablely connected axle
First support frame is connected with by connecting stud spiral, and the first support frame is slidably connected by chute and support feet.
As further describing for above-mentioned technical proposal：
Side spiral on the timer bottom plate positioned at coil is connected with binding post.
As further describing for above-mentioned technical proposal：
The output end of the binding post and the input of coil are electrically connected with.
As further describing for above-mentioned technical proposal：
The permanent magnet, which is socketed in, to shake on piece.
As further describing for above-mentioned technical proposal：
The paper tape chute is mutually perpendicular to the piece that shakes.
In the utility model, first by the way that paper tape is fixed provided with paper tape chute, platen is used compared to traditional
Frame is fixed, and can reduce resistance using paper tape chute so that experiment is more accurate, while prevents paper tape from breaking, and secondly, leads to
Cross and be fixed with paper tape spool by being rotatablely connected axle, collection can be fixed to the paper tape got ready, so that during experiment
Enhanced convenience, further, by provided with the first support frame, and the first support frame and support feet cooperate, so that connect passing through
When connecing stud regulation height, it can be adjusted by sliding first support with the support feet face of being bonded to each other, so as to carry out height
It is more fine accurate during regulation so that timer bottom plate keep level, to improve the accuracy of experiment.
Brief description of the drawings
Fig. 1 be the utility model proposes a kind of senior middle school's natural sciences Physical Experiment timer structural representation；
Fig. 2 be the utility model proposes a kind of senior middle school's natural sciences Physical Experiment timer supporting foot structure signal
Figure.
Marginal data：
1- timers bottom plate, 2- rotation connection axle, 3- paper tapes spool, 4- connecting studs, 5- binding posts, 6- fixed screws,
7- coils, 8- shake piece, 9- mounting seats, 10- permanent magnets, 11- shake pin, 12- paper tapes chute, 13- spacing holes, 14- level meters,
The support frames of 15- first, 16- chutes, 17- support feets.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.
Reference picture 1-2, a kind of timer of senior middle school's natural sciences Physical Experiment, including timer bottom plate 1, timer bottom plate 1
Coil 7 is fixed with by fixed screw 6 on horizontal central line, the inside of coil 7, which is run through, the piece 8 that shakes, and the other end of piece 8 that shakes is provided with and shaken
Pin 11, permanent magnet 10 is fixed with by mounting seat 9 positioned at the side of piece 8 that shakes on timer bottom plate 1, timer bottom plate 1 is upper
In shaking, the lower section of pin 11 is provided with paper tape chute 12, and the both ends of paper tape chute 12 are symmetrically welded with two spacing holes 13, timer bottom plate 1
It is upper to be embedded with level meter 14 positioned at the side of paper tape chute 12, pass through rotation positioned at the one end of paper tape chute 12 on timer bottom plate 1 and connect
Spindle 2 is rotatably connected to paper tape spool 3, and 1 four corners of timer bottom plate are connected with the first support by the spiral of connecting stud 4
Frame 15, and the first support frame 15 is slidably connected by chute 16 and support feet 17, the power supply that binding post 5 is connected is 5V power supplys.
Side spiral on timer bottom plate 1 positioned at coil 7 is connected with binding post 5, output end and the coil 7 of binding post 5
Input be electrically connected with, permanent magnet 10, which is socketed in, to be shaken on piece 8, and paper tape chute 12 is mutually perpendicular to the piece 8 that shakes, the first support frame
15 and support feet 17 be leg Mitsubishi rod structure, and the first support frame 15 is identical with width with the chamfer length of support feet 17,
So that when adjusting height by connecting stud 4, what can be adjusted is more fine accurate.
Operation principle：The timer of senior middle school's natural sciences Physical Experiment by the paper tape got ready in use, be fixed on paper first
In spool of tape 3, then one end of paper tape is fixed on to the inside of paper tape chute 12 by spacing hole 13, then from the spacing of the other end
Hole 13 is passed, and when carrying out getting timing ready, 5V power supplys are connected for binding post 5, experimental tool is fixed in one end of paper tape, is opened
Power switch, at this moment coil 7 be initially powered up, the piece 8 that shakes starts to repeat to shake up and down in the presence of coil 7 and permanent magnet 10
Dynamic, so that the pin 11 that shakes is got ready on paper tape, experimenter can carry out timing according to the number of the point of paper tape.
It is described above, the only preferable embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, any one skilled in the art is in the technical scope that the utility model discloses, according to this practicality
New technical scheme and its utility model design are subject to equivalent substitution or change, should all cover in protection model of the present utility model
Within enclosing.
Claims (5)
1. a kind of timer of senior middle school's natural sciences Physical Experiment, including timer bottom plate（1）, it is characterised in that the timer
Bottom plate（1）Pass through fixed screw on horizontal central line（6）It is fixed with coil（7）, the coil（7）Inside through there is the piece that shakes（8）,
And the piece that shakes（8）The other end is provided with the pin that shakes（11）, the timer bottom plate（1）It is upper to be located at the piece that shakes（8）Side passes through mounting seat（9）
It is fixed with permanent magnet（10）, the timer bottom plate（1）It is upper to be located at the pin that shakes（11）Lower section is provided with paper tape chute（12）, and paper tape
Chute（12）Both ends are symmetrically welded with two spacing holes（13）, the timer bottom plate（1）It is upper to be located at paper tape chute（12）Side
It is embedded with level meter（14）, the timer bottom plate（1）It is upper to be located at paper tape chute（12）One end is by being rotatablely connected axle（2）Rotate
It is connected with paper tape spool（3）, the timer bottom plate（1）Four corners pass through connecting stud（4）Spiral is connected with first
Support（15）, and the first support frame（15）Pass through chute（16）With support feet（17）It is slidably connected.
A kind of 2. timer of senior middle school's natural sciences Physical Experiment according to claim 1, it is characterised in that the timer
Bottom plate（1）It is upper to be located at coil（7）Side spiral be connected with binding post（5）.
A kind of 3. timer of senior middle school's natural sciences Physical Experiment according to claim 2, it is characterised in that the binding post
（5）Output end and coil（7）Input be electrically connected with.
A kind of 4. timer of senior middle school's natural sciences Physical Experiment according to claim 1, it is characterised in that the permanent magnetic
Iron（10）It is socketed in the piece that shakes（8）On.
5. the timer of a kind of senior middle school's natural sciences Physical Experiment according to claim 1, it is characterised in that the paper tape is slided
Groove（12）With the piece that shakes（8）It is mutually perpendicular to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720712855.6U CN206805167U (en) | 2017-06-19 | 2017-06-19 | A kind of timer of senior middle school's natural sciences Physical Experiment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720712855.6U CN206805167U (en) | 2017-06-19 | 2017-06-19 | A kind of timer of senior middle school's natural sciences Physical Experiment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206805167U true CN206805167U (en) | 2017-12-26 |
Family
ID=60747777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720712855.6U Expired - Fee Related CN206805167U (en) | 2017-06-19 | 2017-06-19 | A kind of timer of senior middle school's natural sciences Physical Experiment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206805167U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108364547A (en) * | 2018-02-08 | 2018-08-03 | 枣庄学院 | A kind of machinery system dynamics experimental provision |
| CN109192012A (en) * | 2018-08-31 | 2019-01-11 | 南京理工大学 | A kind of physical mechanics acceleration of gravity measuring device |
-
2017
- 2017-06-19 CN CN201720712855.6U patent/CN206805167U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108364547A (en) * | 2018-02-08 | 2018-08-03 | 枣庄学院 | A kind of machinery system dynamics experimental provision |
| CN109192012A (en) * | 2018-08-31 | 2019-01-11 | 南京理工大学 | A kind of physical mechanics acceleration of gravity measuring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20171226 Termination date: 20180619 |