CN207704717U - A kind of teaching metallic conduction performance apparatus for demonstrating - Google Patents
A kind of teaching metallic conduction performance apparatus for demonstrating Download PDFInfo
- Publication number
- CN207704717U CN207704717U CN201721276891.9U CN201721276891U CN207704717U CN 207704717 U CN207704717 U CN 207704717U CN 201721276891 U CN201721276891 U CN 201721276891U CN 207704717 U CN207704717 U CN 207704717U
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- Prior art keywords
- electric wire
- display board
- teaching
- metallic conduction
- conduction performance
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- 239000002184 metal Substances 0.000 claims abstract description 15
- 238000012360 testing method Methods 0.000 claims abstract description 10
- 238000010586 diagram Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 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 utility model discloses a kind of teaching metallic conduction performance apparatus for demonstrating, including display board, it is provided with battery case on the display board, 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 accumulator, ammeter is connected with by conducting wire on first electric wire, it is provided with chuck on first electric wire, and chuck is fixed metal bar, and slide rheostat and knife-like switch are connected on second electric wire.In the utility model, the metallic conduction performance apparatus for demonstrating is fixed on display board first, link is provided on display board, it can carry out hanging and taking demonstration operation, it is seated on the seat and observes convenient for student, secondly the back side surrounding of display board is provided with electro-insulating rubber pad so that the back side of display board will not closely fit with show stand, improve its radiating efficiency.
Description
Technical field
The utility model is related to teaching aid technical field more particularly to a kind of teaching metallic conduction performance demonstration dresses
It sets.
Background technology
When teaching aid instigates student that can intuitively, visually understand each appliances used in the content of courses and teachers' instruction
The general name of the apparatus used.The learning interest of student can be improved in teaching aid, enriches perceptual knowledge, and help forms specific concept, sends out
Open up the observation ability and thinking ability of student.Generally divide common teaching aid, special teaching aid, 3 class of Teachig-aid for infant studying.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.Generally there is material object, by objective thing
Object 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 for reproducing things image and its process, 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.
However existing teaching is with metallic conduction performance apparatus for demonstrating that there is some shortcomingss in use, drills
Showing device be typically all lie in a horizontal plane in desktop carry out demonstration operation, student be seated on the seat observation be difficult to observe it is clear,
The structure of secondary apparatus for demonstrating is too simple, typically a simple power circuit, is provided with experimental lamps, accumulator, passes through
Bright, dark, the progress effect demonstration of experimental lamps, demonstrating effect are more single.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of teaching metal proposed
Demonstrating conductive property device.
To achieve the goals above, the utility model uses following technical solution：A kind of teaching metallic conduction performance
Apparatus for demonstrating, including display board are provided with battery case on the display board, and battery inside is fixed with accumulator, the electricity
The positive terminal of pond box is fixedly connected by the first electric wire with the negative terminal of load test lamp, and load test lamp is just
Pole binding post is fixedly connected by the second electric wire with the negative terminal of accumulator, is connected with by conducting wire on first electric wire
Ammeter is provided with chuck on first electric wire, and chuck is fixed metal bar, is connected on second electric wire
There are slide rheostat and knife-like switch, voltmeter, the engaging are connected with by conducting wire between first electric wire and the second electric wire
It offers engaging slot on disk, grip block is fixed with by shank of bolt on the table wall of both sides inside the engaging slot.
As further describing for above-mentioned technical proposal：
There are two the chuck is arranged altogether, and two chucks are symmetrical about metal bar.
As further describing for above-mentioned technical proposal：
The wiring duct that the first electric wire of cooperation and the second electric wire use is offered on the display board.
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：
It is provided with link on the display board side table wall.
In the utility model, the metallic conduction performance apparatus for demonstrating is fixed on display board first, is provided on display board
Link can carry out hanging and taking demonstration operation, be seated on the seat and observe convenient for student, secondly the back side surrounding setting of display board
There is electro-insulating rubber pad so that the back side of display board will not closely fit with show stand, improve its radiating efficiency, then have the metal
Demonstrating conductive property device is provided with knife-like switch, can be after fixing metal bar, then by knife-like switch turning circuit, carries out
Demonstration, safety higher are provided with voltmeter, ammeter and slide rheostat, can be more by observing ammeter and voltmeter
Add the conductivity for accurately measuring different metal bars, secondly the setting of slide rheostat, can with the size of regulation resistance, from
And realize the adjusting to electric current, improve the stability of experiment.
Description of the drawings
Fig. 1 be the utility model proposes a kind of teaching metallic conduction performance apparatus for demonstrating structural schematic diagram；
Fig. 2 is the structural schematic diagram of the utility model engaging slot；
Fig. 3 is the structure schematic diagram of the utility model display board.
Marginal data：
1- display boards, 2- battery cases, 3- accumulators, the first electric wires of 4-, 5- chucks, 6- metal bars, 7- load tests lamp,
8- ammeters, the second electric wires of 9-, 10- slide rheostats, 11- voltmeters, 12- knife-like switches, 13- engaging slots, 14- shanks of bolt, 15-
Grip block, 16-links, 17- electro-insulating rubber pads.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-3, a kind of impart knowledge to students uses metallic conduction performance apparatus for demonstrating, including display board 1, is provided on display board 1
Battery case 2, and accumulator 3 is fixed with inside battery case 2, the positive terminal of battery case 2 passes through the first electric wire 4 and load test
The negative terminal of lamp 7 is fixedly connected, and the positive terminal of load test lamp 7 passes through the cathode of the second electric wire 9 and accumulator 2
Binding post is fixedly connected, and ammeter 8 is connected with by conducting wire on the first electric wire 4, chuck 5 is provided on the first electric wire, and block
It closes disk 5 to be fixed and have metal bar 6, is connected with slide rheostat 10 and knife-like switch 12 on the second electric wire 9, the first electric wire 4 and the
Voltmeter 11 is connected with by conducting wire between two electric wires 9, engaging slot 13,13 inside both sides table of engaging slot are offered on chuck 5
Grip block 15 is fixed with by shank of bolt 14 on wall.
There are two chuck 5 is arranged altogether, and two chucks 5 are symmetrical about metal bar 6, state and opened up on display board 1
There are the wiring duct that the first electric wire 4 of cooperation and the second electric wire 9 use, 1 back side surrounding of display board to be provided with electro-insulating rubber pad 17, shows
It is provided with link 16 on 1 side table wall of plate.
Operation principle：In use, display board 1 can be horizontally arranged or be passed through according to the place of demonstration first
Link 16 hangs and takes vertical placement, is convenient for observation of students, in use, metal bar 6 is blocked by the upper chuck 5 on the first electric wire 4
Conjunction fixes, and is at this time closed knife-like switch 12, and whether observation load test lamp 7 lights, and can observe whether metal bar 6 leads
Electricity can 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 easy to operate, and there is intuitive electric current, voltage to show, effectively improve it
Demonstrating effect.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
Be confined to this, any one skilled in the art within the technical scope disclosed by the utility model, according to this practicality
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (5)
1. a kind of teaching metallic conduction performance apparatus for demonstrating, including display board (1), which is characterized in that on the display board (1)
It is provided with battery case (2), and accumulator (3) is fixed with inside battery case (2), the positive terminal of the battery case (2) passes through
First electric wire (4) is fixedly connected with the negative terminal of load test lamp (7), and the positive terminal of load test lamp (7) is logical
It crosses the second electric wire (9) to be fixedly connected with the negative terminal of accumulator (3), be connected with by conducting wire on first electric wire (4)
Ammeter (8) is provided with chuck (5) on first electric wire, and chuck (5) is fixed metal bar (6), and described
Slide rheostat (10) and knife-like switch (12) are connected on two electric wires (9), between first electric wire (4) and the second electric wire (9)
It is connected with voltmeter (11) by conducting wire, engaging slot (13), the engaging slot (13) internal two are offered on the chuck (5)
Grip block (15) is fixed with by shank of bolt (14) on the table wall of side.
2. a kind of teaching metallic conduction performance apparatus for demonstrating according to claim 1, which is characterized in that the chuck
(5) altogether there are two settings, and two chucks (5) are symmetrical about metal bar (6).
3. a kind of teaching metallic conduction performance apparatus for demonstrating according to claim 1, which is characterized in that the display board
(1) wiring duct that the first electric wire of cooperation (4) and the second electric wire (9) use is offered on.
4. a kind of teaching metallic conduction performance apparatus for demonstrating according to claim 1, which is characterized in that the display board
(1) back side surrounding is provided with electro-insulating rubber pad (17).
5. a kind of teaching metallic conduction performance apparatus for demonstrating according to claim 1, which is characterized in that the display board
(1) link (16) is provided on side table wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721276891.9U CN207704717U (en) | 2017-09-30 | 2017-09-30 | A kind of teaching metallic conduction performance apparatus for demonstrating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721276891.9U CN207704717U (en) | 2017-09-30 | 2017-09-30 | A kind of teaching metallic conduction performance apparatus for demonstrating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207704717U true CN207704717U (en) | 2018-08-07 |
Family
ID=63021251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721276891.9U Expired - Fee Related CN207704717U (en) | 2017-09-30 | 2017-09-30 | A kind of teaching metallic conduction performance apparatus for demonstrating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207704717U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107545814A (en) * | 2017-09-30 | 2018-01-05 | 成都众孚理想科技有限公司 | A kind of teaching easy to use metallic conduction performance apparatus for demonstrating |
-
2017
- 2017-09-30 CN CN201721276891.9U patent/CN207704717U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107545814A (en) * | 2017-09-30 | 2018-01-05 | 成都众孚理想科技有限公司 | A kind of teaching easy to use metallic conduction performance apparatus for demonstrating |
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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: 20180807 Termination date: 20190930 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |