CN209859438U - Current formation demonstration teaching aid - Google Patents
Current formation demonstration teaching aid Download PDFInfo
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- CN209859438U CN209859438U CN201920270130.5U CN201920270130U CN209859438U CN 209859438 U CN209859438 U CN 209859438U CN 201920270130 U CN201920270130 U CN 201920270130U CN 209859438 U CN209859438 U CN 209859438U
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Abstract
The utility model relates to a current forms demonstration teaching aid, including the demonstration panel, the demonstration lamp area is flowed to the current, electron removes demonstration lamp area, a power supply, the bulb, route change over switch, the battery shows appearance and key, demonstration lamp area is flowed to the current and electron removes demonstration lamp area and arranges side by side in the demonstration panel openly, the bulb, battery show appearance and key set up in the demonstration panel openly, and show appearance positive negative pole formation loop and process key and bulb with the battery in the demonstration lamp area vision is flowed to the current that arranges, the demonstration lamp area is flowed to the current, electron removes demonstration lamp area and bulb and is connected with the power and forms parallel circuit, the key sets up on the trunk, switch through route change over switch between demonstration lamp area is flowed to the current and the electron removes the demonstration lamp area. The utility model discloses can carry out clear demonstration to electric current flow direction and electron moving direction, effectively assist the student to understand the formation of electric current.
Description
Technical Field
The utility model belongs to the technical field of teaching aid, especially, relate to an electric current forms demonstration teaching aid.
Background
The explanation of current formation can only be explained through the textbook in the physics classroom in the beginning now, does not have corresponding teaching aid and can demonstrate the removal of electric current electron in order to help the student to understand the formation of electric current, leads to the student to understand the degree of difficulty to this knowledge point of electric current formation greatly.
Disclosure of Invention
The utility model aims to solve the technical problem that a current formation demonstration teaching aid is provided, can carry out clear demonstration to electric current flow direction and electron moving direction, effectively assist the student to understand the formation of electric current.
The technical proposal adopted by the utility model for solving the technical problems is to provide a current formation demonstration teaching aid, which comprises a demonstration panel, a current flowing demonstration lamp belt, an electronic mobile demonstration lamp belt, a power supply, a bulb, a passage change-over switch, a battery sample and a key, the current flowing demonstration lamp strip and the electronic moving demonstration lamp strip are arranged on the front surface of the demonstration panel in parallel, the bulb, the battery sample and the key are arranged on the front surface of the demonstration panel, the current flowing demonstration lamp belt and the electronic moving demonstration lamp belt which are arranged in parallel visually form a loop with the positive and negative electrodes of the battery sample and pass through the key and the bulb, the current flowing demonstration lamp belt, the electronic moving demonstration lamp belt and the bulb are connected with a power supply to form a parallel circuit, the key is arranged on the trunk, and the current flowing demonstration lamp band and the electronic mobile demonstration lamp band are switched on and off through the passage selector switch.
The current flowing demonstration lamp belt and the electronic moving demonstration lamp belt are arranged in parallel in a rectangular shape on the demonstration panel, the battery sample is located in the middle of the upper side of the rectangle, the bulb is located in the middle of the lower side of the rectangle, and the key is located on the side of the rectangle.
The electric current flows demonstration lamp area and electron removes demonstration lamp area and is two heterochrosis LED horse race lamp areas, and the horse race lamp in two horse race lamp areas changes the opposite direction.
The current flow demonstration lamp belt is a red LED horse race lamp belt, and the electronic mobile demonstration lamp belt is a green LED horse race lamp belt.
The power supply, the access switch and the circuit line are arranged on the back of the demonstration panel.
The passage change-over switch adopts a single-pole double-throw switch.
And positive and negative electrode positions of the battery sample are respectively provided with a positive electrode mark and a negative electrode mark.
The demonstration panel is arranged on the support, the bottom of the demonstration panel is supported through the support, and the lockable universal wheels are installed at the bottom of the support.
The battery sample is a battery pattern printed on the front side of the demonstration panel.
Advantageous effects
The utility model discloses a break-make in control current flow demonstration lamp area and electron removal demonstration lamp area can carry out clear demonstration to current flow direction and electron moving direction, key control trunk current break-make, and the lamp bulb keeps luminous under the light area lights the state, can effectively assist the student to understand the formation of electric current and the reverse movement of electric current electron.
Drawings
Fig. 1 is a schematic front structural view of the present invention.
Fig. 2 is a circuit diagram of the components of the present invention.
Detailed Description
The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.
A current formation demonstration teaching aid as shown in figures 1 and 2 comprises a demonstration panel 1, a current flowing demonstration lamp strip 2, an electronic mobile demonstration lamp strip 3, a power supply 4, a lamp bulb 5, a passage change-over switch 6, a battery sample 7 and a key 8.
Demonstration panel 1 sets up on support 9, and demonstrates panel 1 bottom and support through support 9, makes things convenient for the demonstration of this teaching aid, but the universal wheel 10 of locking is installed to the bottom of support 9. Current flow demonstration lamp area 2 and electron remove demonstration lamp area 3 and arrange in the front of demonstration panel 1 side by side, and arrange along the rectangle, and bulb 5, battery show appearance 7 and key 8 set up in the front of demonstration panel 1, and power 4, route change over switch 6 and circuit line set up in the back of demonstration panel 1. The battery sample 7 is a battery pattern printed on the front surface of the demonstration panel 1, and positive and negative electrode positions of the battery sample 7 are respectively provided with a positive electrode mark and a negative electrode mark.
The front of the demonstration panel 1 is visually, and the current flowing demonstration lamp strip 2 and the electronic moving demonstration lamp strip 3 which are arranged in parallel form a loop with the positive electrode and the negative electrode of the battery sample 7 and sequentially pass through the key 8 and the bulb 5. The battery shows appearance 7 and is located the rectangle middle part above that demonstration lamp area 2 and the electron removes demonstration lamp area 3 formation of arranging of electric current flow, and bulb 5 is located rectangle lower middle part, and key 8 is located the rectangle side.
As shown in fig. 2, the current flowing play light strip 2, the electronic moving play light strip 3 and the bulb 5 are connected with the power source 4 to form a parallel circuit. The key 8 is arranged on the trunk circuit and can control the on-off of the current of the trunk circuit. The current flow demonstration lamp strip 2 and the electronic mobile demonstration lamp strip 3 are switched on and off through a path change-over switch 6, and the path change-over switch 6 is a single-pole double-throw switch. Current flow demonstration lamp area 2 is red LED horse race lamp area, and electron removes demonstration lamp area 3 and is green LED horse race lamp area, and the horse race lamp in two horse race lamp areas changes the opposite direction, is used for simulating the direction of flow of demonstration current and the direction of movement of electron respectively.
This electric current forms demonstration teaching aid and removes the break-make in demonstration lamp area 3 through control current flow demonstration lamp area 2 and electron, can carry out clear demonstration to current flow direction and electron moving direction, and 8 control trunk circuit electric currents break-make in the key, and bulb 5 keeps luminous under the state is lighted in the lamp area, can effectively assist the student to understand the formation of electric current and the reverse motion of current electron.
Claims (9)
1. The utility model provides a current forms demonstration teaching aid which characterized in that: the demonstration device comprises a demonstration panel (1), a current flowing demonstration lamp belt (2), an electronic moving demonstration lamp belt (3), a power supply (4), a bulb (5), a passage switch (6), a battery sample indicating (7) and a key (8), wherein the current flowing demonstration lamp belt (2) and the electronic moving demonstration lamp belt (3) are arranged in parallel on the front surface of the demonstration panel (1), the bulb (5), the battery sample indicating (7) and the key (8) are arranged on the front surface of the demonstration panel (1), the current flowing demonstration lamp belt (2) and the electronic moving demonstration lamp belt (3) which are arranged in parallel form a loop with the positive electrode and the negative electrode of the battery sample indicating (7) visually and pass through the key (8) and the bulb (5), the current flowing demonstration lamp belt (2), the electronic moving demonstration lamp belt (3) and the bulb (5) are connected with the power supply (4) to form a parallel circuit, the key (8) is arranged on a trunk, the current flowing demonstration lamp strip (2) and the electronic mobile demonstration lamp strip (3) are switched on and off through the channel switch (6).
2. A current forming demonstration teaching aid as claimed in claim 1, wherein: the demonstration lamp area (2) and the electron removal demonstration lamp area (3) that flow of current are the rectangle on demonstration panel (1) and arrange side by side, battery appearance (7) are located rectangle upper limit middle part, bulb (5) are located rectangle lower limit middle part, key (8) are located rectangle side.
3. An electric current formation demonstration teaching aid as claimed in claim 1 or 2 wherein: the electric current flows demonstration lamp area (2) and electron removes demonstration lamp area (3) and is two heterochrosis LED horse race lamp areas, and the horse race lamp in two horse race lamp areas changes the opposite direction.
4. A current forming demonstration teaching aid as claimed in claim 3 wherein: the current flowing demonstration lamp belt (2) is a red LED horse race lamp belt, and the electronic moving demonstration lamp belt (3) is a green LED horse race lamp belt.
5. A current forming demonstration teaching aid as claimed in claim 1, wherein: the power supply (4), the channel switch (6) and the circuit line are arranged on the back of the demonstration panel (1).
6. An electric current formation demonstration teaching aid as claimed in claim 1 or 5 wherein: the passage change-over switch (6) adopts a single-pole double-throw switch.
7. A current forming demonstration teaching aid as claimed in claim 1, wherein: and positive and negative electrode positions of the battery sample (7) are respectively provided with a positive electrode mark and a negative electrode mark.
8. A current forming demonstration teaching aid as claimed in claim 1, wherein: demonstration panel (1) sets up on support (9) and the bottom supports through support (9), but locking universal wheel (10) are installed to the bottom of support (9).
9. A current forming demonstration teaching aid as claimed in claim 1, wherein: the battery sample (7) is a battery pattern printed on the front surface of the demonstration panel (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920270130.5U CN209859438U (en) | 2019-03-04 | 2019-03-04 | Current formation demonstration teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920270130.5U CN209859438U (en) | 2019-03-04 | 2019-03-04 | Current formation demonstration teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209859438U true CN209859438U (en) | 2019-12-27 |
Family
ID=68932589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920270130.5U Active CN209859438U (en) | 2019-03-04 | 2019-03-04 | Current formation demonstration teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209859438U (en) |
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2019
- 2019-03-04 CN CN201920270130.5U patent/CN209859438U/en active Active
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