CN206441432U - A kind of senior middle school physics teaching ampere force presentation device - Google Patents
A kind of senior middle school physics teaching ampere force presentation device Download PDFInfo
- Publication number
- CN206441432U CN206441432U CN201720075297.7U CN201720075297U CN206441432U CN 206441432 U CN206441432 U CN 206441432U CN 201720075297 U CN201720075297 U CN 201720075297U CN 206441432 U CN206441432 U CN 206441432U
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- CN
- China
- Prior art keywords
- copper rod
- plastic casing
- fixed
- balance plate
- ampere force
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- 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.)
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Abstract
The utility model discloses a kind of senior middle school physics teaching ampere force presentation device, including plastic casing and circuit fixing pipe, battery case is provided with the plastic casing front, and level meter is installed on plastic casing, protective cover is installed above the plastic casing, and it is fixed with resistance box on plastic casing in front of protective cover, the second knife switch and the first knife switch are installed on the inside of the resistance box, the first copper rod and the second copper rod are fixed with the balance plate, copper rod connecting line is fixed with inside the circuit fixing pipe, the magnet-fixation grooves both sides are fixed with circuit fixing pipe.The senior middle school physics teaching ampere force presentation device; structure setting is reasonable; protected using protecting glass; reduce the influence that external environment is tested to equipment; and set circuit fixing pipe that circuit is fixed in copper rod side, pulling force of the wire to balance plate is reduced, experimental data is influenceed; Ampere force can be preferably demonstrated, promotes the development of physics teaching equipment.
Description
Technical field
The utility model is related to physics teaching demonstration equipment technical field, specially a kind of senior middle school physics teaching Ampere force
Apparatus for demonstrating.
Background technology
Existing ampere force presentation instrument shows ampere by deflection angle of the electrified wire in magnetic field in senior teaching material
The presence of power, demonstrates the size of Ampere force and the relation of current strength, conductor length and magnetic induction intensity, and display effect is not good,
And wire deflection observation is inconvenient.
Utility model content
The purpose of this utility model is to provide a kind of senior middle school physics teaching ampere force presentation device, to solve the above-mentioned back of the body
The display effect proposed in scape technology is not good, and the problems such as wire deflection observation inconvenience.
To achieve the above object, the utility model provides following technical scheme：A kind of senior middle school physics teaching is drilled with Ampere force
It is provided with battery case, and plastic casing and pacifies on showing device, including plastic casing and circuit fixing pipe, the plastic casing front
Equipped with level meter, it is provided with above the plastic casing in front of protective cover, and protective cover and is fixed with resistance box on plastic casing, institute
State to be provided with inside the second knife switch and the first knife switch, the protective cover on the inside of resistance box and fixed by magnet-fixation grooves
Have and balance plate fixed mount is installed in the middle part of U-shaped magnet, and protective cover, by balancing connecting spring above the balance plate fixed mount
Connect and the first copper rod and the second copper rod are fixed with balance plate, the balance plate, first copper rod and the second copper rod both sides point
It is not connected with inside copper rod connecting line, the circuit fixing pipe and is fixed with copper rod connecting line, the magnet-fixation grooves both sides is fixed
There is circuit fixing pipe.
It is preferred that, first knife switch is connected to form unimpeded circuit by copper rod connecting line with the first copper rod, and the
Two knife switches are connected to form unimpeded circuit by copper rod connecting line with the second copper rod, are connected with while being respectively mounted between two circuits
Resistance box.
It is preferred that, the balance plate is constituted for engineering plastic materials, and balance plate is arc-shaped structure, while the first copper rod
Axis is arranged symmetrically on balance plate with the second copper rod.
It is preferred that, the protective cover is constituted for clear glass material, and is detachable knot between protective cover and plastic casing
Structure.
It is preferred that, the level meter is provided with two, and installation is fixed on the adjacent both sides of plastic casing.
Compared with prior art, the beneficial effects of the utility model are：The senior middle school physics teaching ampere force presentation device,
Structure setting rationally, is protected using protecting glass, reduces the influence that external environment is tested to equipment, and in copper rod side
Set circuit fixing pipe that circuit is fixed, reduce pulling force of the wire to balance plate, experimental data is influenceed, using in resistance box
The replacing of resistance changes size of current, carries out the relation between detection electric current and Ampere force, is set using balance plate, and observation is more
Intuitively, Ampere force can be preferably demonstrated, promotes the development of physics teaching equipment.
Brief description of the drawings
Fig. 1 is the utility model structure schematic elevation view；
Fig. 2 is the utility model structure schematic side view.
In figure：1st, battery case, the 2, first knife switch, 3, plastic casing, 4, circuit fixing pipe, 5, copper rod connecting line, 6, U
Type magnet, 7, balance plate, the 8, second knife switch, 9, resistance box, 10, protective cover, the 11, first copper rod, the 12, second copper rod, 13,
Magnet-fixation grooves, 14, balance plate fixed mount, 15, level meter, 16, balance connecting spring.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Fig. 1-2 are referred to, the utility model provides a kind of technical scheme：A kind of senior middle school physics teaching ampere force presentation
It is provided with battery case 1, and plastic casing 3 and pacifies on device, including plastic casing 3 and circuit fixing pipe 4, the front of plastic casing 3
Equipped with level meter 15, level meter 15 is provided with two, and installs fixation on the adjacent both sides of plastic casing 3, equipment is placed water
Flat, the top of plastic casing 3, which is provided with protective cover 10, and the front plastic casing 3 of protective cover 10, is fixed with resistance box 9, resistance box 9
Inner side is provided with the second knife switch 8 and the first knife switch 2, and the first knife switch 2 passes through the copper rod of copper rod connecting line 5 and first
11 connections form unimpeded circuit, and the second knife switch 8 is connected to form unimpeded electricity by copper rod connecting line 5 with the second copper rod 12
Road, resistance box 9 is connected with while being respectively mounted between two circuits, is changed size of current using the replacing of resistance in resistance box 9, is carried out
Inside relation between detection electric current and Ampere force, protective cover 10 U-shaped magnet 6, and protection are fixed with by magnet-fixation grooves 13
The middle part of cover 10 is provided with balance plate fixed mount 14, and protective cover 10 is constituted for clear glass material, and protective cover 10 and plastic casing 3
Between be demountable structure, the top of balance plate fixed mount 14 connects balance plate 7 by balancing connecting spring 16, and balance plate 7 is work
Engineering plastics material is constituted, and balance plate 7 is arc-shaped structure, while during the first copper rod 11 and the second copper rod 12 are on balance plate 7
Axisymmetrical is arranged, the first copper rod 11 and the second copper rod 12, the first copper rod 11 and the both sides of the second copper rod 12 are fixed with balance plate 7
It is connected to inside copper rod connecting line 5, circuit fixing pipe 4 and is fixed with copper rod connecting line 5, the both sides of magnet-fixation grooves 13 is fixed with
Circuit fixing pipe 4.
Operation principle：When using the senior middle school physics teaching ampere force presentation device, equipment is placed on experiment first
On platform, by the level meter 15 for observing both sides, it is ensured that equipment level, influence of the extraneous factor to experiment, outside protection are reduced
Cover 10 uses clear glass material, facilitates observation of students experiment conversion, the presence of Ampere force is intuitively experienced, on two circuits
Resistance change same resistance into, the plug-in strip of the first knife switch 2 in battery box for placing cell in ether 1, will be pressed, power on circuitry, in peace
The meeting run-off the straight of balance plate 7 in the presence of power is trained, front electrified wire has Ampere force in magnetic field, by the second knife switch 8
Plug-in strip press, balance plate 7 returns to poised state, to inside resistance box 9 resistance change, change line current, tested,
Here it is the whole process that the senior middle school physics teaching is worked with ampere force presentation device.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out in the case where not departing from principle of the present utility model and spirit a variety of changes, repaiies
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of senior middle school physics teaching ampere force presentation device, including plastic casing (3) and circuit fixing pipe (4), its feature
It is：It is provided with plastic casing (3) front on battery case (1), and plastic casing (3) and level meter (15) is installed, institute
State to be provided with above plastic casing (3) in front of protective cover (10), and protective cover (10) and be fixed with resistance box on plastic casing (3)
(9), it is provided with the inside of the resistance box (9) in the second knife switch (8) and the first knife switch (2), the protective cover (10)
Portion is fixed with the middle part of U-shaped magnet (6), and protective cover (10) by magnet-fixation grooves (13) and is provided with balance plate fixed mount (14),
Connect fixed on balance plate (7), the balance plate (7) by balancing connecting spring (16) above the balance plate fixed mount (14)
There are the first copper rod (11) and the second copper rod (12), first copper rod (11) and the second copper rod (12) both sides are connected to copper rod
Copper rod connecting line (5) is fixed with inside connecting line (5), the circuit fixing pipe (4), magnet-fixation grooves (13) both sides are fixed
There is circuit fixing pipe (4).
2. a kind of senior middle school physics teaching ampere force presentation device according to claim 1, it is characterised in that：Described first
Knife switch (2) is connected to form unimpeded circuit by copper rod connecting line (5) with the first copper rod (11), and the second knife switch (8)
It is connected to form unimpeded circuit with the second copper rod (12) by copper rod connecting line (5), electricity is connected with while being respectively mounted between two circuits
Hinder box (9).
3. a kind of senior middle school physics teaching ampere force presentation device according to claim 1, it is characterised in that：The balance
Plate (7) is constituted for engineering plastic materials, and balance plate (7) is arc-shaped structure, while the first copper rod (11) and the second copper rod
(12) axis is arranged symmetrically on balance plate (7).
4. a kind of senior middle school physics teaching ampere force presentation device according to claim 1, it is characterised in that：The protection
Cover (10) to constitute for clear glass material, and be demountable structure between protective cover (10) and plastic casing (3).
5. a kind of senior middle school physics teaching ampere force presentation device according to claim 1, it is characterised in that：The level
Instrument (15) is provided with two, and installation is fixed on the adjacent both sides of plastic casing (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720075297.7U CN206441432U (en) | 2017-01-19 | 2017-01-19 | A kind of senior middle school physics teaching ampere force presentation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720075297.7U CN206441432U (en) | 2017-01-19 | 2017-01-19 | A kind of senior middle school physics teaching ampere force presentation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206441432U true CN206441432U (en) | 2017-08-25 |
Family
ID=59636243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720075297.7U Expired - Fee Related CN206441432U (en) | 2017-01-19 | 2017-01-19 | A kind of senior middle school physics teaching ampere force presentation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206441432U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107516457A (en) * | 2017-08-28 | 2017-12-26 | 齐齐哈尔大学 | A kind of method for making Ampere force and static-electronic driving engine |
| CN107578681A (en) * | 2017-11-01 | 2018-01-12 | 张恺頔 | A kind of senior middle school's electromagnetic induction integrated experimental device |
| CN108766155A (en) * | 2018-08-09 | 2018-11-06 | 浙江大学城市学院 | The parallel copper rod stress demonstrating of two energization of one kind and quantitative measurment experiment instrument |
| CN108766095A (en) * | 2018-07-19 | 2018-11-06 | 广州番禺职业技术学院 | A kind of fault diagnosis repair teaching experiment platform |
-
2017
- 2017-01-19 CN CN201720075297.7U patent/CN206441432U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107516457A (en) * | 2017-08-28 | 2017-12-26 | 齐齐哈尔大学 | A kind of method for making Ampere force and static-electronic driving engine |
| CN107516457B (en) * | 2017-08-28 | 2019-07-16 | 齐齐哈尔大学 | A method of making Ampere force and static-electronic driving engine |
| CN107578681A (en) * | 2017-11-01 | 2018-01-12 | 张恺頔 | A kind of senior middle school's electromagnetic induction integrated experimental device |
| CN108766095A (en) * | 2018-07-19 | 2018-11-06 | 广州番禺职业技术学院 | A kind of fault diagnosis repair teaching experiment platform |
| CN108766155A (en) * | 2018-08-09 | 2018-11-06 | 浙江大学城市学院 | The parallel copper rod stress demonstrating of two energization of one kind and quantitative measurment experiment instrument |
| CN108766155B (en) * | 2018-08-09 | 2023-05-12 | 浙江大学城市学院 | Two-way-electrified parallel copper bar stress demonstration and quantitative measurement experiment instrument |
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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: 20170825 Termination date: 20180119 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |