CN107545814A - A kind of teaching easy to use metallic conduction performance apparatus for demonstrating - Google Patents
A kind of teaching easy to use metallic conduction performance apparatus for demonstrating Download PDFInfo
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- CN107545814A CN107545814A CN201710916941.3A CN201710916941A CN107545814A CN 107545814 A CN107545814 A CN 107545814A CN 201710916941 A CN201710916941 A CN 201710916941A CN 107545814 A CN107545814 A CN 107545814A
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- electric wire
- graphic panel
- metallic conduction
- conduction performance
- demonstrating
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- 239000002184 metal Substances 0.000 claims abstract description 14
- 238000012360 testing method Methods 0.000 claims abstract description 10
- 230000005611 electricity Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
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Abstract
The invention discloses a kind of teaching easy to use metallic conduction performance apparatus for demonstrating, including Graphic Panel, battery case is provided with the Graphic Panel, the positive terminal of the battery case is fixedly connected by the first electric wire with the negative terminal of load test lamp, and the positive terminal of load test lamp is fixedly connected by the second electric wire with the negative terminal of battery, ammeter is connected with by wire on first electric wire, chuck is provided with first electric wire, and chuck is fixed metal bar, slide rheostat and knife-like switch are connected with second electric wire.In the present invention, the metallic conduction performance apparatus for demonstrating is fixed on Graphic Panel first, link is provided with Graphic Panel, it can carry out hanging and taking demonstration operation, it is easy to student to be seated on the seat to be observed, secondly the back side surrounding of Graphic Panel is provided with electro-insulating rubber pad so that the back side of Graphic Panel closely will not fit with show stand, improve its radiating efficiency.
Description
Technical field
The present invention relates to teaching aid technical field, more particularly to a kind of teaching easy to use to be drilled with metallic conduction performance
Showing device.
Background technology
When teaching aid instigates the student intuitively, visually to understand each appliances and teachers' instruction used in the content of courses
The general name of the apparatus used.Teaching aid can improve the learning interest of student, enrich perceptual knowledge, and help forms clear and definite concept, send out
Open up the observation ability and thinking ability of student.Typically divide common teaching aid, special teaching aid, the class of Teachig-aid for infant studying 3.Common teaching aid：Including
Conventional and professional teaching aid used in middle and primary schools' basic education and big, all kinds of specialized educations of special secondary school.Typically there is material object, by objective thing
Thing is directly presented in face of student, so as to student's direct feeling；Object simulating, including sample, model and other duplicate, as
Globe, manikin, engineering equipment model etc.；Describe the chart of things image, including picture, photo, map and statistics, design
Etc. various visualization charts；The sophisticated equipment of things image and its process is reproduced, such as projector, television set, recorder, video recording
Machine, slide projector, projecting apparatus etc..The conventional teaching aid used when also giving lessons, such as blackboard, blackboard eraser, blank, chalk.
But existing teaching with metallic conduction performance apparatus for demonstrating in use there is in place of some shortcomings, drill
Showing device is typically all to lie in a horizontal plane in desktop to carry out demonstration operation, student be seated on the seat observation be difficult to observe it is clear, its
The structure of secondary apparatus for demonstrating is excessively simple, typically a simple power circuit, is provided with experimental lamps, battery, passes through
Bright, dark, the progress effect demonstration of experimental lamps, demonstrating effect are more single.
The content of the invention
The invention aims to solve shortcoming present in prior art, and a kind of teaching easy to use proposed
With metallic conduction performance apparatus for demonstrating.
To achieve these goals, present invention employs following technical scheme：A kind of teaching easy to use is led with metal
Electrical property apparatus for demonstrating, including Graphic Panel, battery case is provided with the Graphic Panel, and battery inside is fixed with battery,
The positive terminal of the battery case is fixedly connected by the first electric wire with the negative terminal of load test lamp, and load test
The positive terminal of lamp is fixedly connected by the second electric wire with the negative terminal of battery, passes through wire on first electric wire
Ammeter is connected with, chuck is provided with first electric wire, and chuck is fixed metal bar, second electric wire
On be connected with slide rheostat and knife-like switch, voltmeter is connected with by wire between first electric wire and the second electric wire, institute
State and slot is offered on chuck, grip block is fixed with by shank of bolt on the table wall of both sides inside the slot.
As further describing for above-mentioned technical proposal：
The chuck is provided with two altogether, and two chucks are symmetrical on metal bar.
As further describing for above-mentioned technical proposal：
The wiring duct for coordinating the first electric wire and the second electric wire to use is offered on the Graphic Panel.
As further describing for above-mentioned technical proposal：
The displaying back surrounding is provided with electro-insulating rubber pad.
As further describing for above-mentioned technical proposal：
Link is provided with the Graphic Panel side table wall.
In the present invention, the metallic conduction performance apparatus for demonstrating is fixed on Graphic Panel first, and link is provided with Graphic Panel,
It can carry out hanging and taking demonstration operation, be easy to student to be seated on the seat and observed, secondly the back side surrounding of Graphic Panel is provided with absolutely
Edge rubber blanket so that the back side of Graphic Panel closely will not fit with show stand, improve its radiating efficiency, then have the metallic conduction
Performance demonstration device is provided with knife-like switch, can be after metal bar is fixed, then by knife-like switch turning circuit, is drilled
Show, security is higher, is provided with voltmeter, ammeter and slide rheostat, can be more by observing ammeter and voltmeter
Accurately measure the conductance of different metal bars, secondly slide rheostat setting, can with the size of regulation resistance, so as to
The regulation to electric current is realized, improves the stability of experiment.
Brief description of the drawings
Fig. 1 is a kind of structural representation of teaching metallic conduction performance apparatus for demonstrating easy to use proposed by the present invention
Figure；
Fig. 2 is the structural representation of slot of the present invention；
Fig. 3 is the structure schematic diagram of Graphic Panel of the present invention.
Marginal data：
1- Graphic Panels, 2- battery cases, 3- batteries, the electric wires of 4- first, 5- chucks, 6- metal bars, 7- load tests lamp,
8- ammeters, the electric wires of 9- second, 10- slide rheostats, 11- voltmeters, 12- knife-like switches, 13- slots, 14- shanks of bolt, 15-
Grip block, 16-link, 17- electro-insulating rubber pads.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.
Reference picture 1-3, a kind of teaching easy to use metallic conduction performance apparatus for demonstrating, including Graphic Panel 1, Graphic Panel
Battery case 2 is provided with 1, and battery 3 is fixed with inside battery case 2, the positive terminal of battery case 2 passes through the first electric wire 4
It is fixedly connected with the negative terminal of load test lamp 7, and the positive terminal of load test lamp 7 passes through the second electric wire 9 and storage
The negative terminal of battery 2 is fixedly connected, and is connected with ammeter 8 by wire on the first electric wire 4, card is provided with the first electric wire
Disk 5 is closed, and chuck 5 is fixed metal bar 6, be connected with slide rheostat 10 and knife-like switch 12 on the second electric wire 9, first
Voltmeter 11 is connected with by wire between the electric wire 9 of electric wire 4 and second, offers slot 13 on chuck 5, in slot 13
Grip block 15 is fixed with by shank of bolt 14 on the table wall of portion both sides.
Chuck 5 is provided with two altogether, and two chucks 5 are symmetrical on metal bar 6, state and opened up on Graphic Panel 1
There is the wiring duct for coordinating the first electric wire 4 and the second electric wire 9 to use, the back side surrounding of Graphic Panel 1 is provided with electro-insulating rubber pad 17, shows
Link 16 is provided with the side table wall of plate 1.
Operation principle：In use, can be horizontal positioned by Graphic Panel 1 or it can be passed through according to the place of demonstration first
Link 16 hangs and takes vertical placement, is easy to observation of students, in use, metal bar 6 is blocked by the upper chuck 5 on the first electric wire 4
Conjunction fixes, and now closes knife-like switch 12, and whether observation load test lamp 7 lights, can be to observe whether metal bar 6 leads
Electricity, can be to calculate the conduction of metal bar 6 by observing and recording the numerical value of voltmeter 11, ammeter 8 and slide rheostat 10
Rate, teaching metallic conduction performance apparatus for demonstrating is simple to operate, have intuitively electric current, voltage are shown, effectively improve it
Demonstrating effect.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (5)
1. a kind of teaching easy to use metallic conduction performance apparatus for demonstrating, including Graphic Panel (1), it is characterised in that described
Battery case (2) is provided with Graphic Panel (1), and battery (3), the positive pole of the battery case (2) are fixed with inside battery case (2)
Binding post is fixedly connected by the first electric wire (4) with the negative terminal of load test lamp (7), and load test lamp (7) is just
Pole binding post is fixedly connected by the second electric wire (9) with the negative terminal of battery (2), is passed through on first electric wire (4)
Wire is connected with ammeter (8), and chuck (5) is provided with first electric wire, and chuck (5) is fixed metal bar
(6) slide rheostat (10) and knife-like switch (12), first electric wire (4) and the second electricity, are connected with second electric wire (9)
Voltmeter (11) is connected with by wire between line (9), slot (13), the slot are offered on the chuck (5)
(13) grip block (15) is fixed with by shank of bolt (14) on the table wall of internal both sides.
A kind of 2. teaching easy to use metallic conduction performance apparatus for demonstrating according to claim 1, it is characterised in that
The chuck (5) is provided with two altogether, and two chucks (5) are symmetrical on metal bar (6).
A kind of 3. teaching easy to use metallic conduction performance apparatus for demonstrating according to claim 1, it is characterised in that
The wiring duct for coordinating the first electric wire (4) and the second electric wire (9) to use is offered on the Graphic Panel (1).
A kind of 4. teaching easy to use metallic conduction performance apparatus for demonstrating according to claim 1, it is characterised in that
Graphic Panel (1) back side surrounding is provided with electro-insulating rubber pad (17).
A kind of 5. teaching easy to use metallic conduction performance apparatus for demonstrating according to claim 1, it is characterised in that
Link (16) is provided with the table wall of Graphic Panel (1) side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710916941.3A CN107545814A (en) | 2017-09-30 | 2017-09-30 | A kind of teaching easy to use metallic conduction performance apparatus for demonstrating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710916941.3A CN107545814A (en) | 2017-09-30 | 2017-09-30 | A kind of teaching easy to use metallic conduction performance apparatus for demonstrating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107545814A true CN107545814A (en) | 2018-01-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710916941.3A Pending CN107545814A (en) | 2017-09-30 | 2017-09-30 | A kind of teaching easy to use metallic conduction performance apparatus for demonstrating |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202473045U (en) * | 2012-06-05 | 2012-10-03 | 吕焕然 | Ohm's law demonstration device |
| CN204926633U (en) * | 2015-08-26 | 2015-12-30 | 李萌 | Material electric conductivity presentation device |
| CN205487045U (en) * | 2016-03-05 | 2016-08-17 | 陈树欣 | Material electric conductivity presentation device |
| CN206179351U (en) * | 2016-08-18 | 2017-05-17 | 余波 | Metal electric conductive property presentation device is used in teaching |
| CN207704717U (en) * | 2017-09-30 | 2018-08-07 | 李梦 | A kind of teaching metallic conduction performance apparatus for demonstrating |
-
2017
- 2017-09-30 CN CN201710916941.3A patent/CN107545814A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202473045U (en) * | 2012-06-05 | 2012-10-03 | 吕焕然 | Ohm's law demonstration device |
| CN204926633U (en) * | 2015-08-26 | 2015-12-30 | 李萌 | Material electric conductivity presentation device |
| CN205487045U (en) * | 2016-03-05 | 2016-08-17 | 陈树欣 | Material electric conductivity presentation device |
| CN206179351U (en) * | 2016-08-18 | 2017-05-17 | 余波 | Metal electric conductive property presentation device is used in teaching |
| CN207704717U (en) * | 2017-09-30 | 2018-08-07 | 李梦 | A kind of teaching metallic conduction performance apparatus for demonstrating |
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Application publication date: 20180105 |