CN206961389U - A kind of teaching tests fixed value resistance with electrophysics - Google Patents
A kind of teaching tests fixed value resistance with electrophysics Download PDFInfo
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- CN206961389U CN206961389U CN201720466875.XU CN201720466875U CN206961389U CN 206961389 U CN206961389 U CN 206961389U CN 201720466875 U CN201720466875 U CN 201720466875U CN 206961389 U CN206961389 U CN 206961389U
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- fixed value
- value resistance
- resistance
- fixed
- electrophysics
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Abstract
The utility model discloses a kind of teaching fixed value resistance is tested with electrophysics, including experimental provision body, the first fixed value resistance, the second fixed value resistance, the 3rd fixed value resistance and the 4th fixed value resistance are equidistantly provided with the experimental provision body, binding post is symmetrically fixed with positioned at the both ends of the first fixed value resistance, the second fixed value resistance, the 3rd fixed value resistance and the 4th fixed value resistance on the experimental provision body, first fixed value resistance, the second fixed value resistance, the 3rd fixed value resistance and the 4th fixed value resistance both ends are symmetrically welded with connection pin.In the utility model, pass through the fixed value resistance provided with four different resistances first, it may be respectively used for the Experiments of Electricity of different requirements, it is more convenient when in use, secondly, by being provided with fixing nut on the pin of fixed value resistance both ends, fixed value resistance is fixed on experimental provision body by fixing nut, it is more convenient compared to traditional welding manner, replacing of the fixed form to resistance.
Description
Technical field
Teaching aid technical field is the utility model is related to, more particularly to a kind of teaching tests definite value electricity with electrophysics
Resistance.
Background technology
Electricity is one of subdiscipline of physics, and the main formation and its application for studying " electricity ", " electricity " one word is in west
It is to turn meaning from the word of Greek amber one, is then extracted in China from lightning phenomenon.Since the mid-eighteenth century with
Come, the gradual mushroom development of research to electricity.The great discovery of it each all causes extensive Practical Research, so as to the skill that advances science
The rapid development of art, now, human lives, science and technology activity and activity in material production all be unable to do without electricity, electricity
It is the basic subject that significance is had much in physics.
Electrophysics experiment fixed value resistance is one of most basic experiment equipment of Experiments of Electricity, and traditional electrophysics is tested
Fixed value resistance is mostly to be individually present, and is easily lost, and traditional electrophysics experiment fixed value resistance is that welding is fixed mostly, is gone out
During existing failure, resistance can not be changed, so as to cause to waste.
Utility model content
The purpose of this utility model is and a kind of teaching physics proposed in order to solve shortcoming present in prior art
Experiments of Electricity fixed value resistance.
To achieve these goals, the utility model employs following technical scheme：A kind of teaching is tested with electrophysics
Fixed value resistance, including experimental provision body, the first fixed value resistance, the second definite value electricity are equidistantly provided with the experimental provision body
Resistance, the 3rd fixed value resistance and the 4th fixed value resistance, positioned at the first fixed value resistance, the second definite value electricity on the experimental provision body
The both ends of resistance, the 3rd fixed value resistance and the 4th fixed value resistance are symmetrically fixed with binding post, and first fixed value resistance, second are determined
Value resistance, the 3rd fixed value resistance and the 4th fixed value resistance both ends are symmetrically welded with connection pin, and connect spiral socket on pin
There is the fixing nut for fixing fixed value resistance, the binding post lower inside is provided with sheet metal, the binding post inner upper
It is embedded with by compressing switch, and presses switch bottom and welded by adjustable spring and connection sheet, the binding post procapsid is along vertical
Center line offers positioning hole and wiring hole successively from top to bottom.
As further describing for above-mentioned technical proposal：
The experimental provision body bottom portion is symmetrically arranged with support base.
As further describing for above-mentioned technical proposal：
First fixed value resistance, the second fixed value resistance, each not phase of the resistance of the 3rd fixed value resistance and the 4th fixed value resistance
Together.
As further describing for above-mentioned technical proposal：
First fixed value resistance, the second fixed value resistance, the 3rd fixed value resistance and the output end of the 4th fixed value resistance and its
Corresponding binding post input is electrically connected with.
As further describing for above-mentioned technical proposal：
The pressing switch case is provided with locating dowel, and locating dowel is hemispherical.
In the utility model, first by the fixed value resistance provided with four different resistances, different requirements are may be respectively used for
Experiments of Electricity, it is more convenient when in use, while prevent resistance from losing, secondly, by being set on the pin of fixed value resistance both ends
There is fixing nut, fixed value resistance is fixed on by experimental provision body by fixing nut, compared to traditional welding manner, works as electricity
During resistance damage, replacing of the fixed form to resistance is more convenient, further, by provided with by compressing switch, using physics electricity
It is more convenient to learn wiring when experiment fixed value resistance is tested, and wiring is more stable, prevents short circuit or loose contact
Phenomenon, while reduce damage to wire.
Brief description of the drawings
Fig. 1 be the utility model proposes a kind of teaching electrophysics test fixed value resistance structural representation；
Fig. 2 be the utility model proposes a kind of teaching electrophysics test fixed value resistance fixed value resistance structural representation
Figure；
Fig. 3 be the utility model proposes a kind of teaching electrophysics test fixed value resistance binding post structure signal
Figure.
Marginal data：
1- experimental provisions body, the fixed value resistances of 2- first, the fixed value resistances of 3- second, the fixed value resistances of 4- the 3rd, 5- the 4th are fixed
Value resistance, 6- support bases, 7- binding posts, 8- connections pin, 9- fixing nuts, 10- by compress switch, 11- positioning holes, 12- connect
String holes, 13- sheet metals, 14- connection sheets, 15- adjustable springs.
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 1-3, a kind of teaching test fixed value resistance, including experimental provision body 1, experimental provision sheet with electrophysics
The first fixed value resistance 2, the second fixed value resistance 3, the 3rd fixed value resistance 4 and the 4th fixed value resistance 5 are equidistantly provided with body 1, is tested
Positioned at the both ends of the first fixed value resistance 2, the second fixed value resistance 3, the 3rd fixed value resistance 4 and the 4th fixed value resistance 5 on device body 1
It is symmetrically fixed with binding post 7, the first fixed value resistance 2, the second fixed value resistance 3, the 3rd fixed value resistance 4 and the 4th fixed value resistance 5
Both ends are symmetrically welded with connection pin 8, and connect spiral on pin 8 and be socketed with the fixing nut 9 for fixing fixed value resistance, connect
The lower inside of terminal 7 is provided with sheet metal 13, and the inner upper of binding post 7 is embedded with by compressing switch 10, and is led to by 10 bottoms that compress switch
Cross adjustable spring 15 to weld with connection sheet 14, the procapsid of binding post 7 offers positioning hole 11 successively from top to bottom along vertical center line
With wiring hole 12.
The bottom symmetrical of experimental provision body 1 is provided with support base 6, the first fixed value resistance 2, the second fixed value resistance the 3, the 3rd
The resistance of the fixed value resistance 5 of fixed value resistance 4 and the 4th is different, the first fixed value resistance 2, the second fixed value resistance 3, the 3rd definite value electricity
The corresponding input of binding post 7 of output end of the fixed value resistance 5 of resistance 4 and the 4th is electrically connected with, by being set on 10 housings that compress switch
There is locating dowel, and locating dowel is hemispherical.
Operation principle：The teaching tests fixed value resistance in use, passing through the both ends of the first fixed value resistance 2 first with electrophysics
First fixed value resistance 2 is fixed on experimental provision body 1 by the fixing nut 9 on connection pin 8, according still further to the above method successively
By the second fixed value resistance 3, the 3rd fixed value resistance 4, the 4th fixed value resistance 5 being fixed on experimental provision body 1 equidistantly, so should
Teaching is completed with electrophysics experiment fixed value resistance, when carrying out electrophysics experimental wiring, is chosen first needed for experiment
Fixed value resistance, then connecting wire is linked into the wiring hole 12 corresponding to the fixed value resistance chosen on binding post 7, then press
Under by compressing switch 10, connection sheet 14 that at this moment adjustable spring 15 welds can be with sheet metal 13 by conductor clamping, while by compressing switch
Locating dowel on 10 can be connected in positioning hole 11, so as to keep binding post 7 to be connected with wire.
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 teaching tests fixed value resistance, including experimental provision body with electrophysics（1）, it is characterised in that the experiment
Device body（1）On be equidistantly provided with the first fixed value resistance（2）, the second fixed value resistance（3）, the 3rd fixed value resistance（4）With the 4th
Fixed value resistance（5）, the experimental provision body（1）It is upper to be located at the first fixed value resistance（2）, the second fixed value resistance（3）, the 3rd definite value
Resistance（4）With the 4th fixed value resistance（5）Both ends be symmetrically fixed with binding post（7）, first fixed value resistance（2）, second
Fixed value resistance（3）, the 3rd fixed value resistance（4）With the 4th fixed value resistance（5）Both ends are symmetrically welded with connection pin（8）, and connect
Pin（8）Upper spiral is socketed with the fixing nut for fixing fixed value resistance（9）, the binding post（7）Lower inside is provided with gold
Belong to piece（13）, the binding post（7）Inner upper is embedded with by compressing switch（10）, and by compressing switch（10）Bottom passes through the bullet that stretches
Spring（15）With connection sheet（14）Welding, the binding post（7）Procapsid offers positioning hole successively from top to bottom along vertical center line
（11）And wiring hole（12）.
2. a kind of teaching according to claim 1 tests fixed value resistance with electrophysics, it is characterised in that the experiment dress
Put body（1）Bottom symmetrical is provided with support base（6）.
3. a kind of teaching according to claim 1 tests fixed value resistance with electrophysics, it is characterised in that described first is fixed
It is worth resistance（2）, the second fixed value resistance（3）, the 3rd fixed value resistance（4）With the 4th fixed value resistance（5）Resistance it is different.
4. a kind of teaching according to claim 1 tests fixed value resistance with electrophysics, it is characterised in that described first is fixed
It is worth resistance（2）, the second fixed value resistance（3）, the 3rd fixed value resistance（4）With the 4th fixed value resistance（5）Output end it is corresponding
Binding post（7）Input is electrically connected with.
5. a kind of teaching according to claim 1 tests fixed value resistance with electrophysics, it is characterised in that described by pressing off
Close（10）Housing is provided with locating dowel, and locating dowel is hemispherical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720466875.XU CN206961389U (en) | 2017-04-28 | 2017-04-28 | A kind of teaching tests fixed value resistance with electrophysics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720466875.XU CN206961389U (en) | 2017-04-28 | 2017-04-28 | A kind of teaching tests fixed value resistance with electrophysics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206961389U true CN206961389U (en) | 2018-02-02 |
Family
ID=61374231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720466875.XU Expired - Fee Related CN206961389U (en) | 2017-04-28 | 2017-04-28 | A kind of teaching tests fixed value resistance with electrophysics |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206961389U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109036049A (en) * | 2018-10-16 | 2018-12-18 | 王令剑 | A kind of electronic instruction Ohm's law display device |
| CN113078484A (en) * | 2021-04-14 | 2021-07-06 | 蔡若煊 | A exempt from to rotate electrical connection post for physical resistance experiment |
-
2017
- 2017-04-28 CN CN201720466875.XU patent/CN206961389U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109036049A (en) * | 2018-10-16 | 2018-12-18 | 王令剑 | A kind of electronic instruction Ohm's law display device |
| CN109036049B (en) * | 2018-10-16 | 2020-12-11 | 马鞍山市浩宇仪表有限公司 | Ohm law display device for electronic teaching |
| CN113078484A (en) * | 2021-04-14 | 2021-07-06 | 蔡若煊 | A exempt from to rotate electrical connection post for physical resistance experiment |
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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 |
Granted publication date: 20180202 Termination date: 20180428 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |