CN206249733U - A kind of ampere force direction exploring instrument - Google Patents
A kind of ampere force direction exploring instrument Download PDFInfo
- Publication number
- CN206249733U CN206249733U CN201621169964.XU CN201621169964U CN206249733U CN 206249733 U CN206249733 U CN 206249733U CN 201621169964 U CN201621169964 U CN 201621169964U CN 206249733 U CN206249733 U CN 206249733U
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- CN
- China
- Prior art keywords
- led
- metal guide
- guide rail
- double
- indicator lamps
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The utility model provides a kind of ampere force direction exploring instrument.It includes insulator foot, U-shaped magnet, two metal guide rails, graphite rod, two groups of LED arrows indicator lamps, double-point double-throw switch and adapters；Two metal guide rails are fixed on insulator foot, and graphite rod is freely placed in metal guide rail, and graphite rod is vertical with metal guide rail；Upper, another magnetic pole is under for one magnetic pole of the U-shaped magnet；Adapter is connected to form loop by double-point double-throw switch with two metal guide rails, and two groups of LED arrows indicator lamps are connected across between two metal guide rails respectively；The conducting direction of the LED bulb in two groups of LED arrow indicator lamps is opposite.The utility model is easy to intuitively grasp relation between ampere force direction, the sense of current, magnetic direction.
Description
Technical field
The utility model belongs to teaching aid field, more particularly to a kind of ampere force direction exploring instrument.
Background technology
At present, when being used to demonstrate the experiment of electrical conductor cutting magnetic induction line generation Ampere force in physics teaching, can only be directly perceived
See that electrical conductor is moved on guide rail, it is impossible to intuitively see by the sense of current of conductor, be not easy to intuitively grasp
Relation between ampere force direction, the sense of current, magnetic direction.
Utility model content
It is not easy to intuitively grasp the deficiency of relation between ampere force direction, the sense of current, magnetic direction for prior art,
The utility model provides a kind of ampere force direction exploring instrument.
In order to solve the above technical problems, the utility model is achieved through the following technical solutions：
A kind of ampere force direction exploring instrument, it is characterised in that：Including insulator foot 1, U-shaped magnet 7, the first metal guide rail
21st, the second metal guide rail 22, graphite rod 4, a LED arrows indicator lamp 31, the 2nd LED arrows indicator lamp 32, DPDT are opened
Close 6 and adapter 5；
The first LED arrows indicator lamp 31, the 2nd LED arrows indicator lamp 32 are by group after the series connection of several LED bulbs
Into arrowhead form；
The double-point double-throw switch 6 includes four corner connection terminals and two knife binding posts；
The input connection 220V alternating voltages of the adapter 5, the adapter 5 has output plus terminal and output negative
End；
The metal guide rail 22 of first metal guide rail 21 and second is fixed on insulator foot 1, first metal guide rail
21 and second metal guide rail 22 it is parallel to each other, the graphite rod 4 is freely placed at the first metal guide rail 21 and the second metal guide rail
On 22, the graphite rod 4 is vertical with the first metal guide rail 21；
The axis of symmetry of the U-shaped magnet 7 is with graphite rod 4 in same level；One of magnetic pole of U-shaped magnet 7
Upper, another magnetic pole is under；
The output plus terminal of the adapter 5 is connected with the first knife binding post 65 of double-point double-throw switch 6, the adapter 5
Output negative terminal be connected with the second knife binding post 66 of double-point double-throw switch 6, the He of the first corner connection terminal 61 of double-point double-throw switch 6
The post of the third angle wiring 63 is electrically connected with the first metal guide rail 21, the second corner connection terminal 62 of the double-point double-throw switch 6 and
Corner binding post 64 is electrically connected with the second metal guide rail 22, and the first corner connection terminal 61 and the second corner connection terminal 62 can be with
First knife binding post 65 is contacted, and the second corner connection terminal 62 and fourth angle binding post 64 can connect with the second knife binding post 66
Touch；
The first LED arrows indicator lamp 31, the arrow direction indication of the 2nd LED arrows indicator lamp 32 are conversely, a LED
Arrow indicator lamp 31, the 2nd LED arrows indicator lamp 32 arrow direction indication it is parallel with the sense of current for flowing through graphite rod 4；The
One LED arrows indicator lamp 31, the 2nd LED arrows indicator lamp 32 are connected across between two metal guide rails respectively；First LED arrows refer to
Show the conducting direction of LED bulb in the LED arrows indicator lamp 32 of lamp 31 and the 2nd conversely, a LED arrows indicator lamp 31, second
The conducting direction of the LED bulb in LED arrows indicator lamp 32 is consistent with arrow direction indication.
Preferably, the output voltage of above-mentioned adapter 5 is 18 volts, the LED arrows indicator lamp 31 and the 2nd LED arrows
LED bulb quantity in head indicator lamp 32 is 7 or 9.
Preferably, above-mentioned first metal guide rail 21, the second metal guide rail 22 are copper guide rail.
Preferably, above-mentioned U-shaped magnet is nd-fe-b magnet.
Compared with prior art, it is beneficial in that the utility model：（1）The utility model is led using the unidirectional of LED
The LED arrow indicator lamps being electrically made, can intuitively show the sense of current, and then show ampere force direction, electric current side
To the space multistory relation between, magnetic direction；（2）Double-point double-throw switch of the present utility model can switch metal guide rail and stone
The sense of current in inker；（3）Graphite rod replaces existing copper rod, and contact between copper rod and copper metal guide rail can be avoided instantaneously high
Temperature causes adhesion；（4）Nd-fe-b magnet improves magnetic, increases Ampere force, makes experiment effect more preferable.
Brief description of the drawings
Fig. 1 is dimensional structure diagram of the present utility model；
Fig. 2 is circuit theory diagrams of the present utility model.
Wherein：1- insulator foots, the metal guide rails of 21- first, the metal guide rails of 22- second, the LED arrow indicator lamps of 31- the,
The LED arrow indicator lamps of 32- the 2nd, 4- graphite rods, 5- adapters, 6- double-point double-throw switch, 61- the first corner connection terminals, 62- second
Corner connection terminal, 63- the third angle wiring, 64- fourth angle binding posts, 65- the first knife binding posts, 66- the second knife binding posts, 7-U shapes
Magnet.
Specific embodiment
Referring to Fig. 1 to Fig. 2, specific embodiment of the present utility model is provided, for doing the utility model into one
Step explanation, but the utility model is not limited to specific embodiment discussed below.
Such as Fig. 1 and 2, a kind of ampere force direction exploring instrument, including insulator foot 1, U-shaped magnet 7, the first metal guide rail 21,
Second metal guide rail 22,4, two groups of LED arrows indicator lamps 3 of graphite rod, double-point double-throw switch 6 and adapter 5.
The first LED arrows indicator lamp 31, the 2nd LED arrows indicator lamp 32 are by group after the series connection of several LED bulbs
Into arrowhead form；
The essence of the double-point double-throw switch is two single-pole double-throw switch (SPDT)s, specifically, each single-pole double-throw switch (SPDT) includes
Two corner connection terminals and a knife binding post.
The input connection 220V alternating voltages of the adapter 5, the adapter 5 has output plus terminal and output negative
End；Adapter exports 18V direct currents.
The metal guide rail 22 of first metal guide rail 21 and second is fixed on insulator foot 1, first metal guide rail
21 and second metal guide rail 22 it is parallel to each other, the metal guide rail be copper guide rail.
The graphite rod 4 is freely placed on the first metal guide rail 21 and the second metal guide rail 22, the graphite rod 4 with
First metal guide rail 21 is vertical；Graphite rod replaces existing copper rod, and contact between copper rod and copper metal guide rail can be avoided instantaneously high
Temperature causes adhesion.
The axis of symmetry of the U-shaped magnet 7 is with graphite rod 4 in same level；Upper, S poles exist for the N poles of U-shaped magnet
Under；The U-shaped magnet is nd-fe-b magnet, and nd-fe-b magnet improves magnetic, increases Ampere force, makes experiment effect more preferable.
The output plus terminal of the adapter 5 is connected with the first knife binding post 65 of double-point double-throw switch 6, the adapter 5
Output negative terminal be connected with the second knife binding post 66 of double-point double-throw switch 6, the He of the first corner connection terminal 61 of double-point double-throw switch 6
The post of the third angle wiring 63 is electrically connected with the first metal guide rail 21, the second corner connection terminal 62 of the double-point double-throw switch 6 and
Corner binding post 64 is electrically connected with the second metal guide rail 22, and the first corner connection terminal 61 and the second corner connection terminal 62 can be with
First knife binding post 65 is contacted, and the second corner connection terminal 62 and fourth angle binding post 64 can connect with the second knife binding post 66
Touch；
The first LED arrows indicator lamp 31, the arrow direction indication of the 2nd LED arrows indicator lamp 32 are conversely, a LED
Arrow indicator lamp 31, the 2nd LED arrows indicator lamp 32 arrow direction indication it is parallel with the sense of current for flowing through graphite rod 4；The
One LED arrows indicator lamp 31, the 2nd LED arrows indicator lamp 32 are connected across between two metal guide rails respectively；First LED arrows refer to
Show the conducting direction of LED bulb in the LED arrows indicator lamp 32 of lamp 31 and the 2nd conversely, a LED arrows indicator lamp 31, second
The conducting direction of the LED bulb in LED arrows indicator lamp 32 is consistent with arrow direction indication.
Pressure drop in view of LED bulb is general between 1.6-3.2V, the LED in every group of LED arrow indicator lamps
Bubble quantity set is 7 or 9.
Principle of the present utility model is：Adapter accesses power supply, the first knife of double-point double-throw switch and the first corner connection terminal
61 contacts, the second knife of double-point double-throw switch contacts with fourth angle binding post 64, adapter, the first metal guide rail, graphite rod, the
Two metal guide rails constitute galvanic circle, and magnetic direction is downward, one end that the sense of current is contacted from graphite rod with the first metal guide rail
Flow to one end that graphite rod is contacted with the second metal guide rail, a LED arrows indicator lamp 31 is lighted, ampere force direction to the right, stone
Inker is moved right, and meets left hand rule.Switching switch, changes the sense of current, and concrete operations are：The first of double-point double-throw switch
Knife is contacted with the second corner connection terminal 62, and the second knife of double-point double-throw switch is contacted with the third angle binding post 63, and the sense of current is from stone
One end that inker is contacted with the second metal guide rail flows to one end that graphite rod is contacted with the first metal guide rail, and the 2nd LED arrows refer to
Show that lamp 32 is lighted, to the left, graphite rod is to left movement for ampere force direction.Magnetic direction can be according to the two poles of the earth of U-shaped magnet intuitively
Judge, the sense of current is shown by LED arrow indicator lamps, the direction of motion of graphite rod can also intuitively be found out,
Therefore, the utility model can intuitively obtain the relation between ampere force direction, the sense of current, magnetic direction, improve teaching
Effect.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be in other specific forms realized.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires to be limited rather than described above, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each implementation method is included
One independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should be by
Used as an entirety, technical scheme in each embodiment can also be through appropriately combined, and forming those skilled in the art can for specification
With the other embodiment for understanding.
Claims (4)
1. a kind of ampere force direction exploring instrument, it is characterised in that：Including insulator foot（1）, U-shaped magnet（7）, the first metal guide rail
（21）, the second metal guide rail（22）, graphite rod（4）, a LED arrow indicator lamps（31）, the 2nd LED arrow indicator lamps（32）、
Double-point double-throw switch（6）And adapter（5）；
The first LED arrow indicator lamps（31）, the 2nd LED arrow indicator lamps（32）Group after being connected by several LED bulbs
Into arrowhead form；
The double-point double-throw switch（6）Including four corner connection terminals and two knife binding posts；
The adapter（5）Input connection 220V alternating voltages, the adapter（5）It is negative with output plus terminal and output
End；
First metal guide rail（21）With the second metal guide rail（22）It is fixed on insulator foot（1）On, first metal is led
Rail（21）With the second metal guide rail（22）It is parallel to each other, the graphite rod（4）It is freely placed at the first metal guide rail（21）With
Two metal guide rails（22）On, the graphite rod（4）With the first metal guide rail（21）Vertically；
The U-shaped magnet（7）The axis of symmetry and graphite rod（4）In same level；U-shaped magnet（7）One of magnetic
Upper, another magnetic pole is under for pole；
The adapter（5）Output plus terminal and double-point double-throw switch（6）The first knife binding post（65）Connection, the adapter
（5）Output negative terminal and double-point double-throw switch（6）The second knife binding post（66）Connection, double-point double-throw switch（6）First jiao
Binding post（61）With the third angle wiring（63）Post with the first metal guide rail（21）Electrical connection, the double-point double-throw switch（6）'s
Second corner connection terminal（62）With fourth angle binding post（64）With the second metal guide rail（22）Electrical connection, the first corner connection terminal
（61）With the second corner connection terminal（62）Can be with the first knife binding post（65）Contact, the second corner connection terminal（62）And fourth angle
Binding post（64）Can be with the second knife binding post（66）Contact；
The first LED arrow indicator lamps（31）, the 2nd LED arrow indicator lamps（32）Arrow direction indication conversely, a LED
Arrow indicator lamp（31）, the 2nd LED arrow indicator lamps（32）Arrow direction indication with flow through graphite rod（4）The sense of current put down
OK；First LED arrow indicator lamps（31）, the 2nd LED arrow indicator lamps（32）It is connected across respectively between two metal guide rails；First
LED arrow indicator lamps（31）With the 2nd LED arrow indicator lamps（32）In LED bulb conducting direction conversely, a LED arrows
Indicator lamp（31）, the 2nd LED arrow indicator lamps（32）In LED bulb conducting direction it is consistent with arrow direction indication.
2. a kind of ampere force direction exploring instrument as claimed in claim 1, it is characterised in that：The adapter（5）Output electricity
It is 18 volts to press, the LED arrow indicator lamps（31）With the 2nd LED arrow indicator lamps（32）In LED bulb quantity be 7
Or 9.
3. a kind of ampere force direction exploring instrument as claimed in claim 1 or 2, it is characterised in that：First metal guide rail
（21）, the second metal guide rail（22）It is copper guide rail.
4. a kind of ampere force direction exploring instrument as claimed in claim 3, it is characterised in that：The U-shaped magnet（7）It is rubidium iron boron
Magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621169964.XU CN206249733U (en) | 2016-11-02 | 2016-11-02 | A kind of ampere force direction exploring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621169964.XU CN206249733U (en) | 2016-11-02 | 2016-11-02 | A kind of ampere force direction exploring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206249733U true CN206249733U (en) | 2017-06-13 |
Family
ID=58997252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621169964.XU Expired - Fee Related CN206249733U (en) | 2016-11-02 | 2016-11-02 | A kind of ampere force direction exploring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206249733U (en) |
-
2016
- 2016-11-02 CN CN201621169964.XU patent/CN206249733U/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: 20170613 Termination date: 20171102 |