CN205428325U - Ampere force demonstration instrument - Google Patents
Ampere force demonstration instrument Download PDFInfo
- Publication number
- CN205428325U CN205428325U CN201520987484.3U CN201520987484U CN205428325U CN 205428325 U CN205428325 U CN 205428325U CN 201520987484 U CN201520987484 U CN 201520987484U CN 205428325 U CN205428325 U CN 205428325U
- Authority
- CN
- China
- Prior art keywords
- mounting stud
- conductor mounting
- groove
- cradling piece
- stub
- 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.)
- Active
Links
Landscapes
- Instructional Devices (AREA)
Abstract
The utility model discloses an ampere force demonstration instrument, including U -shaped magnet 101, base 104, support 106, conductor terminal 1, conductor terminal 2, conductor terminal 3 and conductor terminal 4, stub 102, stub 103, support 106 is installed on base 104, including the cradling piece of the cradling piece that is on a parallel with the base 1061, cradling piece 1062 and perpendicular to base 1063, cradling piece 1064, conductor terminal 1 and conductor terminal 2 are placed on cradling piece 1061 parallelly, and stub 102 is placed on conductor terminal 1 and 2 to it is 2 perpendicular with conductor terminal 1 and conductor terminal, conductor terminal 3 and conductor terminal 4 are placed on cradling piece 1062 parallelly, and stub 103 is placed on conductor terminal 3 and 4 to it is 4 perpendicular with conductor terminal 3 and conductor terminal.
Description
Technical field
This utility model relates to the demonstration instrument in a kind of magnetic strength field, particularly relates to a kind of ampere force presentation instrument.
Background technology
The power that electrified wire is subject in magnetic field is referred to as Ampere force.In laboratory of middle school, the experiment of demonstration Ampere force, it is to be placed in U magnet with the rope lead frame that plays, judges the size of Ampere force by rope inclined degree under Ampere force effect, it appears the simplest and the crudest, can only judge qualitatively.
The visionary that student carries out abstract thinking and space for the judgement of ampere force direction is not enough, and the factor judgement on affect Ampere force size simultaneously has difficulties.
Summary of the invention
For problems of the prior art, the utility model proposes a kind of ampere force presentation instrument, including U magnet 101, pedestal 104, support 106, conductor mounting stud 1, conductor mounting stud 2, conductor mounting stud 3 and conductor mounting stud 4, stub 102, stub 103；Described support 106 is arranged on pedestal 104, including being parallel to the cradling piece 1061 of pedestal, cradling piece 1062 and being perpendicular to the cradling piece 1063 of pedestal, cradling piece 1064；Conductor mounting stud 1 and conductor mounting stud 2 are arranged in parallel on cradling piece 1061, and stub 102 is placed on conductor mounting stud 1 and 2, and vertical with conductor mounting stud 1 and conductor mounting stud 2；Conductor mounting stud 3 and conductor mounting stud 4 are arranged in parallel on cradling piece 1062, and stub 103 is placed on conductor mounting stud 3 and 4, and vertical with conductor mounting stud 3 and conductor mounting stud 4.
Wherein, cradling piece 1061 includes groove 1071 and groove 1072；Cradling piece 1062 includes groove 1073, groove 1074, groove 1075 and groove 1076.
Wherein, the distance between groove 1071 and groove 1072 is equal with the distance between groove 1073 and groove 1076 and be the twice of spacing of groove 1074 and groove 1075.
Wherein, described demonstration instrument also includes base 105, and described U magnet 101 is placed on the pedestal 105, and base 105 is placed on pedestal 104.
Wherein, upper rail includes conductor mounting stud 1, conductor mounting stud 2 and stub 102, and lower guideway includes conductor mounting stud 3, conductor mounting stud 4 and stub 103.
Wherein, by upper and lower rails parallel connection in identical power supply, one ammeter of each series connection and an adjustable resistance in the loop of upper and lower rails；Main line connects a main switch.
This utility model has the following characteristics that
1. double-layer guide rail, can determine whether stress size by the movement velocity of the more upper and lower stub of macroscopic view, directly judges to affect the factor of Ampere force size.
2. having two ammeters the most accurately to measure the electric current in upper and lower two-tier circuit allows student intuitively find out the curent change of circuit, improves the qualitative cogency probing into Ampere force result
3. horsehoe magnet provides uniform magnetic field straight down or upwards, and on horizontal guide rail, movable conductors rod is for testing the sense of current providing vertical with magnetic direction, and both establish an orthogonal physical model, contribute to the content of Students ' Learning left hand rule.
4. experimental phenomena is substantially directly perceived, simple to operate, only need to turn on the power switch, standardsizing rheostat can operate in experimentation.
5. the visibility of experimental phenomena is high, and suitable classroom instruction is demonstrated.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model ampere force presentation instrument；
Fig. 2 is experimental principle figure of the present utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is elaborated.
It is illustrated in figure 1 the structural representation of ampere force presentation instrument of the present utility model.This demonstration instrument includes U magnet 101, and U magnet 101 is placed on the pedestal 105, and base 105 is placed on pedestal 104.The described a length of 54cm of pedestal 104, a width of 14cm, a height of 1.3cm.Support 106 is arranged on pedestal 104, and support 106 is perpendicular to by two that the cradling piece 1063 of pedestal, cradling piece 1064 and two are parallel to the cradling piece 1061 of pedestal, cradling piece 1062 forms.Two are had apart for groove 1071 and the groove 1072 of 6cm on cradling piece 1061；Cradling piece 1062 has four grooves, respectively groove 1073, groove 1074, groove 1075 and groove 1076, groove 1073 and groove 1076 at a distance of 6cm, and groove 1074, groove 1075 are at a distance of 3cm.The hollow copper bar of the long a length of 50cm of diameter 0.5mm is arranged on double-layer scaffold, keeps level.
In practical operation, it is ensured that the distance between groove 1071 and groove 1072 is equal with the distance between groove 1073 and groove 1076 and be the twice of spacing of groove 1074 and groove 1075, the physical dimension of remainder meets experiment demand.The sized data of this part is merely illustrative, and those skilled in the art can reasonably select to meet the sized data of experiment demand according to practical operation demand.
Conductor mounting stud 1 and conductor mounting stud 2 are arranged in parallel on cradling piece 1061, and stub 102 is placed on conductor mounting stud 1 and 2, and perpendicular；Conductor mounting stud 3 and conductor mounting stud 4 are arranged in parallel on cradling piece 1062, and stub 103 is placed on conductor mounting stud 3 and 4, and perpendicular.
Fig. 2 is experimental principle figure of the present utility model.By upper and lower rails parallel connection in identical power supply, described upper rail includes conductor mounting stud 1, conductor mounting stud 2 and stub 102, and lower guideway includes conductor mounting stud 3, conductor mounting stud 4 and stub 103；One ammeter of each series connection and an adjustable resistance in the loop of upper and lower rails；Main line connects a main switch.
Magnetic field can produce the effect of power to electric current.U magnet can provide the environment of uniform magnetic field, the movable conductors rod 102,103 in the upper and lower rails of level is allowed to be in uniform magnetic field, and it is vertical with magnetic direction, when being passed through electric current to stub 102,103, left hand rule can determine whether the electrical conductor rod 102,103 Impact direction in uniform magnetic field.
When the electric current I of upper strata electrical conductor rod 102 is bigger than the electric current I of lower floor's electrical conductor rod 103, the acceleration of the acceleration ratio lower floor electrical conductor rod 103 of upper strata electrical conductor rod 102 is big；When effective length L of upper strata electrical conductor rod 102 is longer than effective length L of lower floor's electrical conductor rod 103, the acceleration of the acceleration ratio lower floor electrical conductor rod 103 of upper strata electrical conductor rod 102 is big.When the magnetic field B residing for upper strata electrical conductor rod 102 is more higher than the magnetic field B residing for lower floor's electrical conductor rod 103, the acceleration of the acceleration ratio lower floor electrical conductor rod 103 of upper strata electrical conductor rod 102 is big.The electric current of upper and lower two-tier circuit is the most accurately read by two ammeters.
Below by two concrete experiments, the utility model is described in further detail.
Scheme 1: checking magnetic field can produce the effect of power to electric current:
Open main switch, power supply is respectively connected to upper and lower rails, allow stub 102,103 be in the middle of uniform magnetic field.When the switch is closed, the electrical conductor rod 102,103 of upper and lower layer moves.
Scheme 2: probe into the direction of Ampere force:
Turn on the power switch, allow magnetic direction straight down or upwards, power supply is connect respectively upper and lower rails, and makes stub 102,103 vertical with magnetic direction.Guan Bi switch, electrical conductor rod 102,103 moves, and can sum up the left hand rule judging ampere force direction according to experimental phenomena.
Scheme 3: the qualitative size probing into Ampere force
(1) the electric current I impact on Ampere force F, is probed into:
Two binding posts on cradling piece 1062 are apart for 6cm, so effective length L=6cm of upper strata electrical conductor rod, effective length L=6cm of lower floor's electrical conductor rod, when B with L keeps identical, switch on power, applicable current value needed for the slide rheostat of regulation the upper and lower circuit provides for circuit respectively, relatively the motion speed of upper and lower two-layer stub.
(2) impact on Ampere force F of electrical conductor length L, is probed into:
In this part is tested, when B with I keeps identical, allow two binding posts on cradling piece 1062 at a distance of for 3cm, so effective length L=6cm of upper strata electrical conductor rod, effective length L=3cm of lower floor's electrical conductor rod, switches on power, relatively the motion speed of upper and lower two-layer stub.
(3) impact on Ampere force F of magnetic field intensity B, is probed into:
In this part is tested, needing two U-shaped Magnet, a magnetic is very strong, and a magnetic is more weak, in order to provide strong and weak different magnetic field to experiment.U-shaped Magnet different for two pieces of powers is individually placed to two, keeps bilevel L with I identical, switch on power, it can be seen that bilevel stub motion speed is different.
Although describing this utility model by embodiment, skilled addressee will appreciate that, this utility model has many deformation and change without deviating from spirit of the present utility model, it is desirable to appended claim includes that these deformation and change are without deviating from spirit of the present utility model.
Claims (6)
1. an ampere force presentation instrument, it is characterized in that: this demonstration instrument includes U magnet (101), pedestal (104), support (106), first conductor mounting stud (1), the second conductor mounting stud (2), the 3rd conductor mounting stud (3) and the 4th conductor mounting stud (4), the first stub (102), the second stub (103)；
Described support (106) is arranged on pedestal (104), including being parallel to first cradling piece (1061) of pedestal, the second cradling piece (1062) and being perpendicular to the 3rd cradling piece (1063) of pedestal, the 4th cradling piece (1064)；
First conductor mounting stud (1) and the second conductor mounting stud (2) are arranged in parallel on the first cradling piece (1061), first stub (102) is placed on the first conductor mounting stud (1) and the second conductor mounting stud (2), and vertical with the first conductor mounting stud (1) and the second conductor mounting stud (2)；3rd conductor mounting stud (3) and the 4th conductor mounting stud (4) are arranged in parallel on the second cradling piece (1062), second stub (103) is placed on the 3rd conductor mounting stud (3) and the 4th conductor mounting stud (4), and vertical with the 3rd conductor mounting stud (3) and the 4th conductor mounting stud (4).
Ampere force presentation instrument the most according to claim 1, it is characterised in that: include the first groove (1071) and the second groove (1072) on the first cradling piece (1061)；Second cradling piece (1062) includes the 3rd groove (1073), the 4th groove (1074), the 5th groove (1075) and the 6th groove (1076).
Ampere force presentation instrument the most according to claim 2, it is characterised in that: the distance between the first groove (1071) and the second groove (1072) is equal with the distance between the 3rd groove (1073) and the 6th groove (1076) and be the twice of spacing of the 4th groove (1074) and the 5th groove (1075).
4. according to the ampere force presentation instrument described in any one of claim 1-3, it is characterized in that: described demonstration instrument also includes base (105), described U magnet (101) is placed on base (105), and base (105) is placed on pedestal (104).
5. according to the ampere force presentation instrument described in any one of claim 1-3, it is characterized in that: upper rail includes the first conductor mounting stud (1), the second conductor mounting stud (2) and the first stub (102), lower guideway includes the 3rd conductor mounting stud (3), the 4th conductor mounting stud (4) and the second stub (103).
Ampere force presentation instrument the most according to claim 5, it is characterised in that: by upper and lower rails parallel connection in identical power supply, one ammeter of each series connection and an adjustable resistance in the loop of upper and lower rails；Main line connects a main switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520987484.3U CN205428325U (en) | 2015-12-02 | 2015-12-02 | Ampere force demonstration instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520987484.3U CN205428325U (en) | 2015-12-02 | 2015-12-02 | Ampere force demonstration instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205428325U true CN205428325U (en) | 2016-08-03 |
Family
ID=56535821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520987484.3U Active CN205428325U (en) | 2015-12-02 | 2015-12-02 | Ampere force demonstration instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205428325U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2015
- 2015-12-02 CN CN201520987484.3U patent/CN205428325U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108447362A (en) | A kind of physics education magnetic induction demonstrating experiment device | |
| CN204989408U (en) | Aging testing device of circuit board | |
| CN205428325U (en) | Ampere force demonstration instrument | |
| CN203117290U (en) | Resistance test tool | |
| CN207097310U (en) | A kind of ampere force presentation device | |
| CN206541513U (en) | Left hand rule and electromagnetic induction demonstration device | |
| CN106971655A (en) | Ampere force experiment device for teaching | |
| CN206688752U (en) | A kind of physics teaching operating desk | |
| CN201397600Y (en) | Novel Ampere force demonstration apparatus | |
| CN201191468Y (en) | Teaching instrument for quantitatively measuring Ampere force | |
| CN206179353U (en) | Motor principle demonstration teaching aid | |
| CN206057442U (en) | Circuit breaker contact persistence batch detecting device | |
| CN211827819U (en) | Multifunctional electromagnetic display instrument | |
| CN103353311B (en) | Hall element testing apparatus | |
| CN209168500U (en) | A kind of physics education magnetic induction demonstrating experiment device | |
| CN110782758A (en) | Magnetic suspension analytic experiment system and method | |
| CN206773012U (en) | LED lamp aging testing rack and ageing tester | |
| CN103824489A (en) | Wind power tester | |
| CN207663643U (en) | A kind of teaching aid for observing triode state | |
| CN201315108Y (en) | Ampere force presenter | |
| CN210515843U (en) | Coulomb force experiment instrument based on light lever | |
| CN207425181U (en) | A kind of high school physics uniformly accelerated motion tester | |
| CN207397562U (en) | A kind of Ampere force quantitative analysis apparatus for demonstrating | |
| CN215770198U (en) | Demonstration equipment is verified in teaching of newton's third law | |
| CN201812420U (en) | Ampere force and magnetic induction intensity experimental instrument |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |