CN207068316U - Be powered parallel straight wire interaction demonstration device - Google Patents
Be powered parallel straight wire interaction demonstration device Download PDFInfo
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- CN207068316U CN207068316U CN201720681944.9U CN201720681944U CN207068316U CN 207068316 U CN207068316 U CN 207068316U CN 201720681944 U CN201720681944 U CN 201720681944U CN 207068316 U CN207068316 U CN 207068316U
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- demonstration table
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Abstract
The utility model discloses a kind of parallel straight wire interaction demonstration device that is powered, including Demonstration table and the demonstration support being arranged on institute's Demonstration table, power supply is provided with Demonstration table, there are two spaced first binding posts at the top of demonstration support, connected between two the first binding posts by the first connector, two the first binding posts include the fastener for adjusting elasticity, with the height of the first binding post described in the length adjustment according to straight wire, so that one end of the straight wire of different length can be inserted into the fastener, there are two grooves being arranged at intervals for inserting the other end of straight wire on Demonstration table；Two the second binding posts are provided with Demonstration table, are connected respectively by the second connector between two the second binding posts and the groove, the 3rd binding post is additionally provided with the top of support, are connected between the 3rd binding post and the first connector by the 3rd connector.Demonstration device of the present utility model is suitable for the straight wire of different length, improves the practicality of experiment.
Description
Technical field
Experimental instrument technology is the utility model is related to, more particularly to a kind of parallel straight wire interaction demonstration that is powered
Device.
Background technology
It is that an important physical in electromagnetism shows with parallel straight wire is powered come the interaction between the electric current demonstrated
As.Multi-purpose mercury is as logical electric connecting conductor the parallel straight wire of two, the instrument made in the past below, instrument itself without power supply,
It is very inconvenient.When being driven with student power source, output current is small, and caused phenomenon unobvious, be not easy to do teaching demonstration；Use electric power storage
Power supply is done in pond, although demonstrating effect can be obtained, the charging and long-term maintenance of battery are fairly cumbersome；While and due to
Mercury is noxious material, not only dangerous but also pollution environment；And existing demonstration device can not adapt to the straight wire of different length, fit
It is very limited with property.
In view of the defects of above-mentioned, it is necessary to propose a kind of new demonstration device.
The content of the invention
Main purpose of the present utility model is to provide a kind of parallel straight wire interaction demonstration device that is powered, it is intended in solution
State defect.
To achieve the above object, the utility model proposes energization parallel straight wire interaction demonstration device, for being powered
In the lecture experiment of parallel straight wire interaction, the demonstration device includes Demonstration table and is arranged on drilling on the Demonstration table
Show support, the power supply of promising straight parallel wire power supply is set in the Demonstration table, the output wiring terminal of the power supply exposes described
Demonstration table outer surface, described demonstrate at the top of support have two spaced first binding posts, two first binding posts
Between pass through the first conductive connector and connect, two first binding posts include the fastener for adjusting elasticity；It is described
Have two spaced conductive grooves on Demonstration table, be connected between the groove and first binding post two it is parallel
Straight wire, one end of two straight wires is connected with groove, and the other end is connected with first connector；The Demonstration table
On be provided with two the second binding posts, pass through the second conductive connection between two second binding posts and the groove respectively
Part is connected, and the 3rd binding post is additionally provided with the top of the support, is led between the 3rd binding post and first connector
Cross the connection of the 3rd connector.
Preferably, the direction board of indicator current flow direction is provided with the demonstration support.
Preferably, the Demonstration table is circular Demonstration table.
Preferably, the bottom of the Demonstration table is provided with three legs.
Preferably, the bottom of the Demonstration table is additionally provided with the levelling device of the flatness for adjusting demonstration device.
Demonstration device in technical solutions of the utility model includes Demonstration table and the demonstration branch being arranged on the Demonstration table
Frame, the interior power supply for setting promising straight parallel wire power supply of the Demonstration table, the output wiring terminal of the power supply expose the demonstration
Platform outer surface, described demonstrate has two spaced first binding posts at the top of support, between two first binding posts
Connected by the first connector of conduction, two first binding posts include the fastener for adjusting elasticity, with according to institute
The height of the first binding post described in the length adjustment of straight wire is stated, so as to can be inserted into this tight for one end of the straight wire of different length
In firmware；There are two grooves being arranged at intervals for inserting the other end of the straight wire on the Demonstration table；The demonstration
Two the second binding posts are provided with platform, are connected respectively by the second of conduction between two second binding posts and the groove
Fitting connects, and the 3rd binding post is additionally provided with the top of the support, between the 3rd binding post and first connector
Connected by the 3rd connector.By setting power supply in Demonstration table, only power supply need to be powered is demonstration device of the present utility model
It can be tested.Solve existing needs additionally to realize the completion of experiment by high-current supply or need to pass through electric power storage
The drawbacks of pond is to complete.And the height adjustable of the first binding post in the utility model, to adapt to the straight wire of different length,
Make the straight wire of different length stably can be fastened on the first binding post.
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to the structure shown in these accompanying drawings.
Fig. 1 is the structure chart of the demonstration device of the utility model embodiment；
Fig. 3 is the structure chart coordinated with straight wire of the first binding post in Fig. 1；
Fig. 3 is the structure chart of Fig. 1 Demonstration table；
Fig. 4 is another viewing angle constructions figure of Fig. 1 Demonstration table.
Drawing reference numeral explanation：
| Label | Title | Label | Title |
| 100 | Demonstration device | 15 | 3rd connector |
| 10 | Demonstration table | 16 | Straight wire |
| 11 | Demonstrate support | 17 | Second binding post |
| 12 | First binding post | 18 | Output wiring terminal |
| 13 | First connector | 19 | Knob |
| 14 | 3rd binding post | 20 | Groove |
| 21 | Second connector | 22 | Stud |
| 23 | Nut | 24 | Shrinkage pool |
Realization, functional characteristics and the advantage of the utility model purpose will be described further referring to the drawings in conjunction with the embodiments.
Specific 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 part of the embodiment of the present utility model, rather than all
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belong to the scope of the utility model protection.
It is to be appreciated that the directional instruction of institute in the utility model embodiment（Such as up, down, left, right, before and after ...）
It is only used for explaining in a certain particular pose（As shown in drawings）Under relative position relation between each part, motion conditions etc., such as
When the fruit particular pose changes, then directionality instruction also correspondingly changes therewith.
In addition, and it can not be managed in the utility model such as relating to the description of " first ", " second " etc. is only used for describing purpose
Solve to indicate or implying its relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " the
One ", at least one this feature can be expressed or be implicitly included to the feature of " second ".It is " more in description of the present utility model
It is individual " it is meant that at least two, such as two, three etc., unless otherwise specifically defined.
In the utility model, unless otherwise clearly defined and limited, term " connection ", " fixation " etc. should do broad sense reason
Solution, for example, " fixation " can be fixedly connected or be detachably connected, or integrally；Can mechanically connect, also may be used
Be electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, can be the connection of two element internals
Or the interaction relationship of two elements, limited unless otherwise clear and definite.For the ordinary skill in the art, can be with
Concrete meaning of the above-mentioned term in the utility model is understood as the case may be.
In addition, the technical scheme between each embodiment of the utility model can be combined with each other, but must be with ability
Domain those of ordinary skill can be implemented as basis, will be understood that when the combination appearance of technical scheme is conflicting or can not realize
The combination of this technical scheme is not present, also not within the protection domain of the requires of the utility model.
The utility model proposes a kind of demonstration device 100, it is intended to solves the existing parallel straight wire interaction demonstration that is powered
The drawbacks of device.
It refer to Fig. 1 and Fig. 4, the demonstration device 100 in the utility model embodiment, parallel straight wire 16 is mutual for being powered
In the lecture experiment of effect, the demonstration device 100 includes Demonstration table 10 and the demonstration support being arranged on the Demonstration table 10
11, the interior power supply for setting promising straight parallel wire 16 to power of the Demonstration table 10, the output wiring terminal 18 of the power supply exposes institute
State the outer surface of Demonstration table 10, two spaced first binding posts 12 are arranged at the top of the demonstration support 11, two described the
Connected between one binding post 12 by the first connector 13 of conduction, two first binding posts 12 include being used for adjusting elasticity
Fastener（Do not indicate）, with the height of the first binding post 12 described in the length adjustment according to the straight wire 16, so that different
One end of the straight wire 16 of length can be inserted into the fastener；Have on the Demonstration table 10 two be arranged at intervals it is described for making
The groove of the other end insertion of straight wire 16；It is provided with two the second binding posts 17 on the Demonstration table 10, two described second
Connected by the second connector 21 of conduction between binding post 17 and the groove 20, be additionally provided with the top of the support respectively
3rd binding post 14, connected between the 3rd binding post 14 and first connector 13 by the 3rd connector 15.This reality
With new demonstration device 100 by setting power supply in Demonstration table 10, only power supply, which need to be powered, to be tested.Solve existing
The drawbacks of some is needed additionally by high-current supply to realize the completion of experiment or need by battery to complete.And
The height adjustable of the first binding post 12 in the utility model, to adapt to the straight wire 16 of different length, makes the straight of different length
What wire 16 can be stablized is fastened on the first binding post 12.
In the present embodiment, by setting power supply in Demonstration table 10, to be powered to the straight wire 16 on Demonstration table 10.This reality
The Demonstration table 10 applied in example is circular Demonstration table 10, and the corner of square Demonstration table 10 is eliminated using circular Demonstration table 10, makes behaviour
Make get up safety coefficient it is higher.
Certain power supply includes power inlet and delivery outlet, and power inlet is generally arranged at the back side of demonstration device 100
That is the back side of Demonstration table 10, the power supply introduced by power line in large-current electric to Demonstration table 10, the output wiring terminal of the power supply
18 expose the outer surface of Demonstration table 10, and the general output wiring terminal 18 is in the front of whole demonstration device 100, namely Demonstration table 10
Front.Demonstration support 11 is additionally provided with wherein described Demonstration table 10, two interval settings are arranged at the top of the demonstration support 11
The first binding post 12, and between two the first binding posts 12 by conduction the first connector 13 connect, first connector
13 can use the connector of metal material, and the effect of the first connector 13 is mainly used in making leading between two the first binding posts 12
It is logical.Be additionally provided with two conductive grooves 20 in the upper surface of Demonstration table 10, the groove 20 and first binding post 12 it
Between be connected with two parallel straight wires 16.
Referring specifically to Fig. 1 and Fig. 2, one end connecting groove 20 of two straight wires 16, the other end is connected to the first binding post
On 12, wherein, first binding post 12 includes the fastener of adjustable-tightness, and the fastener is provided with towards one end of straight wire
Shrinkage pool 24, because the both ends of straight wire 16 are tip, therefore, straight wire 16 can be inserted directly into the shrinkage pool 24.And by
One binding post 12 is arranged to elastic adjustable structure, and main purpose is to adapt to the straight wire 16 of different length.Work as straight wire
When 16 length is longer, first by the groove 20 on one end insertion Demonstration table of straight wire 16, the first binding post 12 is then adjusted
It is elastic, that is, adjust the first binding post 12 expose demonstration support 11 part length, reduce the first binding post 12 expose demonstration
The length of the part of support 11, so that straight wire 16 can be inserted into the shrinkage pool 24 in the fastener of first binding post 12, and
When both be just in close contact, will not be too tight or too loose, make the fixing-stable of straight wire 16.And when the length of straight wire 16 is shorter
When, then the first binding post 12 is adjusted toward close to the direction of straight wire 16, straight wire 16 is can be inserted into the shrinkage pool 24 of the fastener
It is interior.The straight wire 16 that a demonstration device is suitable for different length is thus achieved, improves the practicality of demonstration device.
It should be noted that reference picture 2, the fastener includes stud 22 and the nut 23 on stud 22, and
The part with shrinkage pool 24 with the one of nut 23 is set in nut 23, straight wire 16 can be made directly to be plugged in the shrinkage pool.
By rotating the first binding post 12, the height of the first binding post 12 is adjusted, to change the stud 22 for being fixed on the first binding post 12
On nut 23 and straight wire between spacing.
In addition, it is corresponding with groove 20, two the second binding posts 17, the second binding post 17 are additionally provided with Demonstration table 10
It is connected between groove 20 by the second connector 21 of conduction.It should be noted that a groove 20 and second wiring
Post 17 connects, and is to connect correspondingly.In addition, the groove 20 is the groove for being available for straight wire 16 to insert, straight wire
16 insert in the groove, realize the rotation connection with groove 20.
Reference picture 1, during work, turn on the power switch, the power switch is equally provided in the outer surface of Demonstration table 10, tool
Body position does not limit, and is defined by the energization that can realize power supply with end points.When power switch is opened, the electric current of plant-grid connection is from electricity
Source positive pole flows to power cathode.Whole current trend is：Triggered from positive source, flow to by wire and be connected with positive source
The second binding post 17, then flowed to by the second connector 21 being connected with the second binding post 17 in the straight wire 16 on the left side,
And then again by the straight wire 16 on the first connector 13 flow direction the right, the on the right of the second connector 21 flow direction on the right of process
Two binding posts 17, finally flow to negative pole by wire.During this, the electric current of two parallel straight wires 16 is opposite, and
It can meet to test needs.
When the flowing to identical of electric current for needing to make two parallel straight wires 16, also set at the top of the demonstration support 11
The 3rd binding post 14 is equipped with, the 3rd binding post 14 is connected by the 3rd connector 15 of conduction with the first connector 13.It is described
The effect of 4th binding post is the state for two parallel straight wires 16 can be made to be in parallel, so that two straight parallels are led
The sense of current of line 16 is identical.
It is identical with straight wire 16 when differing from the sense of current for verifying the parallel straight wire 16 that is powered in terms of two simultaneously
Stressing conditions.And the connection in series-parallel situation of specific straight wire 16 can be realized according to the connected mode for changing wire, differ herein
One repeats.
Further, the flow direction of electric current is apparent from during lecture experiment for convenience, in the demonstration support
The direction board of indicator current flow direction is provided with 11.
Further, the outside of the Demonstration table 10 offers heat emission hole.
Further, the bottom of the Demonstration table 10 is provided with three legs, to demonstration when carrying demonstration device 100 to reduce
The impact of power supply inside platform 10.
Further, reference picture 3, the bottom of the Demonstration table 10 are additionally provided with the leveling of the flatness of regulation demonstration device.
The levelling device includes being used for the knob 19 for adjusting flatness.When needing to adjust demonstration device, then knob 19 is adjusted into pine, adjusted
The flatness of demonstration device, screwed after the flatness of demonstration device has been conditioned, then by knob 19.
Preferred embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model,
Every equivalent structure under utility model of the present utility model design, made using the utility model specification and accompanying drawing content
Conversion, or directly/be used in other related technical areas indirectly and be included in scope of patent protection of the present utility model.
Claims (5)
- The parallel straight wire interaction demonstration device 1. one kind is powered, the lecture experiment for the parallel straight wire interaction that is powered In, it is characterised in that the demonstration device includes Demonstration table and the demonstration support being arranged on the Demonstration table, the Demonstration table The interior power supply for setting promising straight parallel wire power supply, the output wiring terminal of the power supply exposes the Demonstration table outer surface, described There are two spaced first binding posts at the top of demonstration support, pass through the first of conduction between two first binding posts Connector connects, and two first binding posts include the fastener for adjusting elasticity, with the length according to the straight wire The height of first binding post is adjusted, so that one end of the straight wire of different length can be inserted into the fastener；It is described to drill Showing has two grooves being arranged at intervals for inserting the other end of the straight wire on platform；Two are provided with the Demonstration table Second binding post, the second connector between two second binding posts and the groove respectively by conduction connects, described The 3rd binding post is additionally provided with the top of support, passes through the 3rd connector between the 3rd binding post and first connector Connection.
- 2. the parallel straight wire interaction demonstration device according to claim 1 that is powered, it is characterised in that the demonstration support On be provided with indicator current flow direction direction board.
- 3. the parallel straight wire interaction demonstration device according to claim 2 that is powered, it is characterised in that the Demonstration table is Circular Demonstration table.
- 4. the parallel straight wire interaction demonstration device of energization according to claim any one of 1-3, it is characterised in that described The bottom of Demonstration table is provided with three legs.
- 5. the parallel straight wire interaction demonstration device of energization according to claim any one of 1-3, it is characterised in that described The bottom of Demonstration table is additionally provided with the levelling device of the flatness for adjusting demonstration device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720681944.9U CN207068316U (en) | 2017-06-13 | 2017-06-13 | Be powered parallel straight wire interaction demonstration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720681944.9U CN207068316U (en) | 2017-06-13 | 2017-06-13 | Be powered parallel straight wire interaction demonstration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207068316U true CN207068316U (en) | 2018-03-02 |
Family
ID=61508607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720681944.9U Active CN207068316U (en) | 2017-06-13 | 2017-06-13 | Be powered parallel straight wire interaction demonstration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207068316U (en) |
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2017
- 2017-06-13 CN CN201720681944.9U patent/CN207068316U/en active Active
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