Current and voltage teaching demonstration experiment device

Abstract

The utility model discloses a current and voltage teaching demonstration experiment device, which comprises a display board and a first water tank arranged on the left side of the front part of the display board. When the current and voltage teaching demonstration experiment device is used, a magnet plate is firstly embedded in a placement groove, so that the magnet plate is mounted on the rear side of a mounting ring, and then the mounting ring is connected with a connecting column, so that the mounting ring is mounted on the rear sides of a first water tank, a second water tank, a water flow indicator, a valve, a water flow meter, a water pump and a portable power supply; then the first water tank, the second water tank, the water flow indicator, the valve, the water flow meter, the water pump and the portable power supply are attracted to the front portion of the display board through a magnet plate on the rear side of the mounting ring, and through the arrangement of the magnet plate, the convenience of mounting and dismounting of the current and voltage teaching demonstration experiment device is enhanced; and the stability of the current and voltage teaching demonstration experiment device installed at the front part of the display board is enhanced.

Description

Technical Field

[0001] This utility model belongs to the technical field of teaching demonstration, specifically relating to a current and voltage teaching demonstration experimental device. Background Technology

[0002] The current and voltage teaching demonstration experiment device is an experimental tool specifically designed for physics teaching. It allows students to intuitively observe and understand current, voltage, and the relationship between them. Since the principle of a flow meter is similar to that of an ammeter, the flow meter can be used to demonstrate current, allowing students to observe more intuitively. Existing current and voltage teaching demonstration experiment devices are mainly composed of components such as a first water tank, a second water tank, a water flow indicator, valves, a flow meter, a display board, a water pump, a portable power supply, a delivery pipe, and a power cord. However, existing current and voltage teaching demonstration experiment devices are inconvenient to install and disassemble and fail to deepen students' understanding of ammeters. Therefore, a newer current and voltage teaching demonstration experiment device is essential. Utility Model Content

[0003] The purpose of this invention is to provide a current and voltage teaching demonstration experiment device to solve the problems mentioned in the background art, such as the inconvenience of installing and disassembling the demonstration device and the inability to deepen students' understanding of ammeters.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a current and voltage teaching demonstration experimental device, comprising...

[0005] The display panel and the first water tank located on the front left side of the display panel;

[0006] The front of the display panel, below the first water tank, is provided with a water flow indicator, a valve, and a water flow meter from left to right.

[0007] A second water tank is provided at the front of the display panel and below the water flow meter;

[0008] A water pump is installed at the front of the display panel and above the first water tank, and a portable power supply is installed at the front of the display panel and below the water pump. The water pump and the portable power supply are connected by a power cord.

[0009] The first water tank is connected to the water flow indicator, the water flow indicator to the valve, the valve to the water flow meter, and the first and second water tanks to the water pump via delivery pipes.

[0010] The first water tank, the second water tank, the water flow indicator, the valve, the water flow meter, the water pump, and the portable power supply are provided with connection holes at the rear positions, and a connecting post is installed inside the connection hole;

[0011] A mounting ring is connected to the rear side of the connecting column, and a placement groove is provided inside the mounting ring. A magnet plate is embedded inside the placement groove.

[0012] The magnetic plate not only enhances the ease of installation and disassembly of the current and voltage teaching demonstration experiment device, but also improves the stability of the device when installed on the front of the display board.

[0013] Preferably, the outer wall of the connecting column is provided with an external thread, and the inner wall of the connecting hole is provided with an internal thread.

[0014] Preferably, the connecting post and the mounting ring are an integral structure. The connecting post is connected to the internal thread of the connecting hole through the external thread of the outer wall, so that the mounting ring is installed on the rear side of the first water tank, the second water tank, the water flow indicator, the valve, the water flow meter, the water pump and the portable power supply.

[0015] Preferably, both the connecting post and the mounting ring are made of transparent acrylic material, and the magnetic plate is connected to the display panel by magnetic adsorption. The connection post and the connecting hole enhance the ease of installation and removal of the mounting ring.

[0016] Preferably, connectors are installed at the lower end of the first water tank, the water flow indicator, the valve, the water flow meter, and the left and right ends of the water pump, and the inner wall of the connectors is provided with internal threads.

[0017] Preferably, the outer wall of the conveying pipe is provided with an external thread, and the conveying pipe is connected to the inner thread of the connector through the external thread on the outer wall, so that the first water tank is connected to the water flow indicator, the water flow indicator is connected to the valve, the valve is connected to the water flow meter, and the first and second water tanks are connected to the pump through the conveying pipe.

[0018] Preferably, a waterproof ring is installed at the outer position of the conveying pipe, and the waterproof ring is fixed to the conveying pipe by threads, so that the waterproof ring is installed on the outer wall of the connector. The waterproof ring is made of rubber material.

[0019] Preferably, the conveying pipe, the first water tank, the second water tank, and the water flow indicator are all made of transparent acrylic material. By setting the water flow meter, students can learn about the ammeter, overcome teaching difficulties, and deepen their understanding of the ammeter. The waterproof ring enhances the sealing of the conveying pipe, and the transparent acrylic teaching equipment enhances the transparency and visibility of the teaching equipment, improving students' visibility.

[0020] Compared with the prior art, this utility model provides a current and voltage teaching demonstration experiment device, which has the following beneficial effects:

[0021] 1. In this current and voltage teaching demonstration experiment device, when using the device, the magnetic plate is first embedded inside the placement slot, so that the magnetic plate is installed on the back side of the mounting ring. Then, the mounting ring is connected to the connecting column, so that the mounting ring is installed on the back side of the first water tank, the second water tank, the water flow indicator, the valve, the water flow meter, the water pump, and the portable power supply. Next, the first water tank, the second water tank, the water flow indicator, the valve, the water flow meter, the water pump, and the portable power supply are attached to the front of the display board by the magnetic plate on the back side of the mounting ring. The setting of the magnetic plate not only enhances the convenience of installation and disassembly of the current and voltage teaching demonstration experiment device, but also enhances the stability of the current and voltage teaching demonstration experiment device installed on the front of the display board.

[0022] 2. In this current and voltage teaching demonstration experiment device, when using the device, first connect the delivery pipe to the inner thread of the connector through the external thread on the outer wall. This connects the first water tank to the water flow indicator, the water flow indicator to the valve, the valve to the water flow meter, and the first and second water tanks to the pump via the delivery pipe. Then, fix the waterproof ring to the delivery pipe with threads, so that the waterproof ring is installed on the outer wall of the connector. The inner wall of the waterproof ring will compress the delivery pipe. At this time, connect the pump to the portable power supply through the power cord. Then, turn on the switch to start the pump body inside the pump. The pump will then pump the second water tank... Water inside the tank is drawn into the pump through a delivery pipe, and then transported to the first tank through the same pipe. Water from the first tank then flows through the delivery pipe, passing through a flow indicator, a valve, and a flow meter before flowing into the second tank. Since the principle of the flow meter is similar to that of an ammeter, it can be used to demonstrate current, allowing students to observe more intuitively. The flow meter helps students understand the ammeter, overcoming teaching difficulties and deepening their understanding of ammeters. The waterproof ring enhances the sealing of the delivery pipe, while the transparent acrylic teaching equipment enhances the visibility of the equipment, improving student visibility. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall structure of the current and voltage teaching demonstration experimental device of this utility model.

[0024] Figure 2 This is an enlarged structural schematic diagram of the mounting ring of the current and voltage teaching demonstration experimental device of this utility model.

[0025] Figure 3 This is a magnified structural diagram of the ammeter in the current and voltage teaching demonstration experimental device of this utility model.

[0026] In the diagram: 1. First water tank; 2. Mounting ring; 3. Water flow indicator; 4. Valve; 5. Water flow meter; 6. Second water tank; 7. Display board; 8. Portable power supply; 9. Water pump; 10. Power cord; 11. Delivery pipe; 12. Connecting hole; 13. Magnetic plate; 14. Connecting column; 15. Placement slot; 16. Connector; 17. Waterproof ring. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] This utility model provides, for example Figure 1-3The current and voltage teaching demonstration experiment device shown includes a display board 7 and a first water tank 1 located on the front left side of the display board 7; a water flow indicator 3, a valve 4, and a water flow meter 5 are arranged sequentially from left to right on the front of the display board 7 and below the first water tank 1; a second water tank 6 is located on the front of the display board 7 and below the water flow meter 5; a water pump 9 is located on the front of the display board 7 and above the first water tank 1, and a portable power supply 8 is located on the front of the display board 7 and below the water pump 9. The water pump 9 and the portable power supply 8 are connected by a power cord 10; the first water tank 1 is connected to the water flow indicator 3, and the water flow indicator 3 is connected to the valve 4. Valve 4 is connected to flow meter 5, and the first water tank 1 and the second water tank 6 are connected to pump 9 via delivery pipe 11. Connection holes 12 are provided at the rear of the first water tank 1, the second water tank 6, the flow indicator 3, valve 4, flow meter 5, pump 9, and portable power supply 8. A connecting post 14 is installed inside the connection hole 12. An installation ring 2 is connected to the rear of the connecting post 14. A placement groove 15 is provided inside the installation ring 2, and a magnet plate 13 is embedded inside the placement groove 15. The magnet plate 13 not only enhances the ease of installation and disassembly of the current and voltage teaching demonstration experiment device, but also enhances the stability of the current and voltage teaching demonstration experiment device installed at the front of the display board 7.

[0029] like Figure 1 and Figure 2 As shown, to enhance the ease of installation and disassembly of the current and voltage teaching demonstration experiment device, when using the device, the magnet plate 13 is first embedded inside the placement slot 15, so that the magnet plate 13 is installed on the rear side of the mounting ring 2. Then, the mounting ring 2 is connected to the connecting column 14, so that the mounting ring 2 is installed on the rear side of the first water tank 1, the second water tank 6, the water flow indicator 3, the valve 4, the water flow meter 5, the water pump 9, and the portable power supply 8. Next, the first water tank 1, the second water tank 6, the water flow indicator 3, the valve 4, the water flow meter 5, the water pump 9, and the portable power supply 8 are attached to the front of the display board 7 by the magnet plate 13 on the rear side of the mounting ring 2. The setting of the magnet plate 13 not only enhances the ease of installation and disassembly of the current and voltage teaching demonstration experiment device, but also enhances the stability of the device installed on the front of the display board 7.

[0030] The connecting post 14 has an external thread on its outer wall and an internal thread on its inner wall. The connecting post 14 and the mounting ring 2 are an integral structure. The connecting post 14 is connected to the internal thread on the inner wall of the connecting hole 12 through the external thread on its outer wall. This allows the mounting ring 2 to be installed on the rear side of the first water tank 1, the second water tank 6, the water flow indicator 3, the valve 4, the water flow meter 5, the water pump 9, and the portable power supply 8. Both the connecting post 14 and the mounting ring 2 are made of transparent acrylic material. The magnetic plate 13 is connected to the display plate 7 by magnetic adsorption. The design of the connecting post 14 and the connecting hole 12 enhances the convenience of installing and removing the mounting ring 2.

[0031] like Figure 1 and Figure 2 As shown, to enhance the ease of installation and disassembly of the mounting ring 2, when using the current and voltage teaching demonstration experiment device, the mounting ring 2 is first connected to the connecting post 14. Then, the connecting post 14 is connected to the internal thread of the connecting hole 12 through the external thread on the outer wall. This allows the mounting ring 2 to be installed on the rear side of the first water tank 1, the second water tank 6, the water flow indicator 3, the valve 4, the water flow meter 5, the water pump 9, and the portable power supply 8. The connection post 14 and the connecting hole 12 enhance the ease of installation and disassembly of the mounting ring 2, thus enabling the current and voltage teaching demonstration experiment device to be used more effectively.

[0032] Connectors 16 are installed at the lower end of the first water tank 1, the water flow indicator 3, the valve 4, the water flow meter 5, and both ends of the pump 9. The inner wall of the connector 16 has an internal thread, and the outer wall of the delivery pipe 11 has an external thread. The delivery pipe 11 connects to the inner thread of the connector 16 via the external thread on its outer wall. This allows the first water tank 1 to be connected to the water flow indicator 3, the water flow indicator 3 to the valve 4, the valve 4 to the water flow meter 5, and the first and second water tanks 6 to the pump 9 via the delivery pipe 11. A waterproof ring 17 is installed on the outer part of the delivery pipe 11. 7 is fixed to the conveying pipe 11 by threads, so that the waterproof ring 17 is installed on the outer wall of the connector 16. The waterproof ring 17 is made of rubber material. The conveying pipe 11, the first water tank 1, the second water tank 6, and the water flow indicator 3 are all made of transparent acrylic material. With the water flow meter 5, students can learn about the ammeter by using the water flow meter 5, which can help overcome teaching difficulties and deepen students' understanding of the ammeter. The waterproof ring 17 strengthens the sealing of the conveying pipe 11. The transparent acrylic teaching equipment enhances the transparency and visibility of the teaching equipment and improves students' visibility.

[0033] like Figure 1 and Figure 3As shown, in order to overcome the teaching difficulties and deepen students' understanding of ammeters, when using the current and voltage teaching demonstration experiment device, firstly, the delivery pipe 11 is connected to the inner thread of the connector 16 through the external thread on the outer wall. This connects the first water tank 1 to the water flow indicator 3, the water flow indicator 3 to the valve 4, the valve 4 to the water flow meter 5, and the first water tank 1 and the second water tank 6 to the water pump 9 through the delivery pipe 11. Then, the waterproof ring 17 is fixed to the delivery pipe 11 through threads, so that the waterproof ring 17 is installed on the outer wall of the connector 16. The inner wall of the waterproof ring 17 will squeeze the delivery pipe 11. At this time, the water pump 9 is connected to the portable power supply 8 through the power cord 10. Then, the switch button is turned on, so that the water pump body inside the water pump 9 works, and water... The pump draws water from the second water tank 6 into the pump 9 through the delivery pipe 11, and then delivers it to the first water tank 1 through the same pipe. Water from the first water tank 1 flows through the delivery pipe 11, passing sequentially through the water flow indicator 3, valve 4, and water flow meter 5, before flowing into the second water tank 6. Since the principle of the water flow meter 5 is similar to that of an ammeter, it can be used to demonstrate current, allowing students to observe more intuitively. The water flow meter 5 helps students understand the ammeter, overcoming teaching difficulties and deepening their understanding of ammeters. The waterproof ring 17 enhances the sealing of the delivery pipe 11, and the transparent acrylic teaching equipment enhances the visibility of the equipment, improving student visibility.

[0034] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A current and voltage teaching demonstration experimental device, characterized in that: include Display panel (7) and a first water tank (1) located on the left side of the front part of the display panel (7); The display panel (7) is provided with a water flow indicator (3), a valve (4) and a water flow meter (5) arranged from left to right at the front and below the first water tank (1); A second water tank (6) is provided at the front of the display panel (7) and below the water flow meter (5); A water pump (9) is provided at the front of the display board (7) and above the first water tank (1), and a portable power supply (8) is provided at the front of the display board (7) and below the water pump (9). The water pump (9) and the portable power supply (8) are connected by a power cord (10). The first water tank (1) is connected to the water flow indicator (3), the water flow indicator (3) is connected to the valve (4), the valve (4) is connected to the water flow meter (5), and the first water tank (1) and the second water tank (6) are connected to the water pump (9) through the delivery pipe (11); The first water tank (1), the second water tank (6), the water flow indicator (3), the valve (4), the water flow meter (5), the water pump (9) and the portable power supply (8) are provided with connection holes (12) at the rear positions, and a connecting column (14) is installed inside the connection hole (12); A mounting ring (2) is connected to the rear side of the connecting column (14), and a placement groove (15) is provided inside the mounting ring (2). A magnet plate (13) is embedded inside the placement groove (15). The setting of the magnet plate (13) not only enhances the convenience of installation and disassembly of the current and voltage teaching demonstration experiment device, but also enhances the stability of the current and voltage teaching demonstration experiment device installed in front of the display board (7).

2. The current and voltage teaching demonstration experimental device according to claim 1, characterized in that: The outer wall of the connecting column (14) is provided with an external thread, and the inner wall of the connecting hole (12) is provided with an internal thread.

3. The current and voltage teaching demonstration experimental device according to claim 2, characterized in that: The connecting post (14) and the mounting ring (2) are an integral structure. The connecting post (14) is connected to the internal thread of the connecting hole (12) through the external thread of the outer wall, so that the mounting ring (2) is installed on the rear side of the first water tank (1), the second water tank (6), the water flow indicator (3), the valve (4), the water flow meter (5), the water pump (9) and the portable power supply (8).

4. The current and voltage teaching demonstration experimental device according to claim 3, characterized in that: The connecting post (14) and the mounting ring (2) are both made of transparent acrylic material. The magnet plate (13) and the display plate (7) are connected by magnetic adsorption. The connection post (14) and the connecting hole (12) enhance the ease of installation and disassembly of the mounting ring (2).

5. The current and voltage teaching demonstration experimental device according to claim 3, characterized in that: Connectors (16) are installed at the lower end of the first water tank (1), the water flow indicator (3), the valve (4), the water flow meter (5), and the left and right ends of the pump (9). The inner wall of the connector (16) is provided with internal threads.

6. The current and voltage teaching demonstration experimental device according to claim 1, characterized in that: The outer wall of the conveying pipe (11) is provided with an external thread. The conveying pipe (11) is connected to the inner thread of the connector (16) through the external thread of the outer wall, so that the first water tank (1) is connected to the water flow indicator (3), the water flow indicator (3) is connected to the valve (4), the valve (4) is connected to the water flow meter (5), and the first water tank (1) and the second water tank (6) are connected to the pump (9) through the conveying pipe (11).

7. The current and voltage teaching demonstration experimental device according to claim 6, characterized in that: A waterproof ring (17) is installed on the outside of the conveying pipe (11). The waterproof ring (17) is fixed to the conveying pipe (11) by threads, so that the waterproof ring (17) is installed on the outer wall of the connector (16). The waterproof ring (17) is made of rubber material.

8. The current and voltage teaching demonstration experimental device according to claim 7, characterized in that: The conveying pipe (11), the first water tank (1), the second water tank (6), and the water flow indicator (3) are all made of transparent acrylic material. With the water flow meter (5), students can learn about the ammeter by using the water flow meter (5), which helps to overcome teaching difficulties and deepen students' understanding of the ammeter. The waterproof ring (17) strengthens the sealing of the conveying pipe (11), and the transparent acrylic teaching equipment enhances the transparency and visibility of the teaching equipment, improving students' visibility.

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