Demonstration teaching aid for safe electricity utilization
By designing safety electricity demonstration teaching aids that simulate household circuits and electric shock phenomena, the problem of the lack of intuitive teaching aids in existing teaching methods is solved, students' understanding and memory of safety electricity knowledge are improved, and the teaching effect is enhanced.
Patent Information
- Application Number
- CN202520287384.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-22
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2035-02-22
AI Technical Summary
Existing teaching methods for safe electricity use lack vivid and intuitive teaching aids, resulting in students' shallow understanding and memory of safe electricity use knowledge, their inability to experience the dangers of electric shock, and poor teaching effectiveness.
A safe electricity demonstration teaching aid was designed, including a board assembly, a positive electrode plate and a negative electrode plate, equipped with a power supply, a digital display energy meter, an air switch, a fuse and simulation components, to simulate household circuits and electric shock phenomena. A human-shaped doll simulates an electric shock situation to demonstrate the circuit's cut-off and protection mechanisms.
This vividly and intuitively demonstrates the structure of household circuits and the phenomenon of electric shock, helping students understand circuit composition and protection mechanisms, improving teaching effectiveness, and enhancing their awareness of safe electricity use.
Smart Images
Figure CN223665110U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to demonstration material technical field, concretely is a safe demonstration teaching aid of using electricity. BACKGROUND
[0002] Because of lacking safe electricity knowledge, various types of electric shock accidents occur from time to time, especially the youth, because its curiosity is very strong and lively, thus in their electric shock accident incidence is higher than adult, caused great harm to family and society. The reason is that the youth is limited to the level of theory to safe electricity knowledge, lacks enough perceptual intuitive understanding, thereby in actual management and use just exists lucky and paralytic psychology. And the safe electricity teaching of existing, often just limit to knowledge transmission, theory explanation and case analysis, lacks relevant vivid intuitive teaching aid, can not directly demonstrate, can only let student have abstract understanding, student's understanding and memory are not deep, electric shock exists danger and can not let student experience, and the teaching effect is not ideal. Therefore, it is very necessary to develop a set of safe electricity demonstration teaching aid which is suitable for domestic actual situation and vivid and intuitive. CONTENT OF UTILITY MODEL
[0003] The utility model aims at providing a safe demonstration teaching aid of using electricity to solve the problems in the above background technology.
[0004] In order to achieve the above object, the utility model provides the following technical scheme: a safe demonstration teaching aid of using electricity, including board body assembly, the board body assembly includes display board, positive plate and negative plate laid in the display board, one side of the display board is equipped with power supply, and the power supply is connected with the digital electric energy meter, and the outgoing line of the digital electric energy meter is connected with the air switch, the zero line outgoing line of the air switch is connected with the negative plate, wherein the fire line outgoing line of the air switch is connected with the fuse, and the outgoing line of the fuse is connected with the positive plate, the display board is also equipped with first simulation component, and the first simulation component is equipped with second simulation area, and the second simulation area is used for simulating indoor electric shock phenomenon.
[0005] As the preferred technical scheme of the utility model: one end of the first simulation component is equipped with positive terminal post, and the other end of the first simulation component is equipped with negative terminal post, wherein the first wire of the positive terminal post is connected with the positive plate, and the negative terminal post is connected with the negative plate through the second wire.
[0006] As the preferred technical scheme of the utility model: the bottom of the first simulation component is hinged with the display board through the hinge.
[0007] As a preferred technical scheme of the utility model: the first simulation component is connected with the display board through the fixed plate arranged at one end away from the hinge.
[0008] As a preferred technical scheme of the utility model: the positive plate and the negative plate are connected with the outside through the wiring terminal arranged, and are connected with the wiring terminal through the fastener arranged, so as to fix the power line on the wiring terminal.
[0009] As a preferred technical scheme of the utility model: one end of the display board is also provided with a containing cavity for storing power supply, and the other end of the display board is fixed with the positive plate and the negative plate in the display board through the cover plate arranged.
[0010] As a preferred technical scheme of the utility model: the first simulation component is connected with the display board through the fixed plate arranged at one end away from the hinge.
[0011] As a preferred technical scheme of the utility model: the first simulation component is connected with the display board through the fixed plate arranged at one end away from the hinge.
[0012] As a preferred technical scheme of the utility model: the second simulation area is also provided with a second model for simulating household appliances; the second model is connected with the negative plate, and one side of the second model is also provided with a conductive plate connected with the positive plate.
[0013] As a preferred technical scheme of the utility model: the display board is also provided with a second simulation component; wherein, the second simulation component comprises a lamp holder connected with the negative plate on one side; the other side of the lamp holder is connected with the switch arranged through the power line, and the other side of the switch is connected with the positive plate through the power line.
[0014] The utility model discloses the beneficial effects are: 1. when simulating electric shock, the hand of the human doll is conducted with the positive plate, the foot of the human doll is conducted with the negative plate, the air switch trips at this moment, realizes the cut-off of circuit, simulates the phenomenon of indoor electric shock and the function of air switch;
[0015] 2. the setting of fuse explains the protection function of fuse in circuit and how to cut off power supply when circuit overload or short circuit to students, and the setting of digital electric energy meter is convenient for introducing the reading method of digital electric energy meter and its function in household circuit to students.
[0016] 3. The power supply is connected with the digital electric energy meter, the lead-out wire of the digital electric energy meter is connected with the air switch; the zero line lead-out wire of the air switch is connected with the negative pole piece; the fire line lead-out wire of the air switch is connected with the fuse, and the lead-out wire of the fuse is connected with the positive pole piece, thus the composition of the household circuit can be demonstrated to the students again. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 The main body structure schematic diagram of the utility model after the first simulation component is unfolded;
[0018] Figure 2 The main body structure schematic diagram of the utility model after the first simulation component is folded;
[0019] Figure 3 The main body structure schematic diagram of the first simulation component of the utility model;
[0020] Figure 4 The partial structure schematic diagram of the plate assembly of the utility model;
[0021] Figure 5 The Figure 4 The local enlarged schematic diagram of A in the middle;
[0022] Figure 6 The main body structure schematic diagram of the second simulation component of the utility model.
[0023] In the figure: 1, plate assembly; 2, first wire; 3, first simulation component; 30, first simulation area; 31, first model; 32, conductive ring; 33, positive pole terminal post; 34, second simulation area; 35, conductive plate; 36, second model; 37, negative pole terminal post; 38, first conductive rod; 39, second conductive rod; 4, fuse; 5, air switch; 6, digital electric energy meter; 7, power supply; 8, second simulation component; 80, lamp holder; 81, switch; 9, second wire; 10, fastener; 11, display board; 12, accommodating cavity; 13, wiring terminal; 14, positive pole piece; 15, negative pole piece; 16, cover plate; 17, hinge; 18, fixed plate. DETAILED DESCRIPTION
[0024] The embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application. In the description of the present application, it should be understood that the terms "upper", "lower", "front", "upper surface" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.
[0025] Referring to Figures 1-6 The utility model provides an embodiment: a safe demonstration teaching aid of using electricity, including board assembly 1, board assembly 1 includes display board 11, the positive plate 14 and the negative plate 15 of laying in display board 11, the one side of display board 11 is equipped with power 7, just power 7 is connected with the digital electric energy meter 6 of being equipped with, and the outgoing line of digital electric energy meter 6 is connected with the air switch 5 of being equipped with, the zero line outgoing line of air switch 5 is connected with the negative plate 15, wherein the fire line outgoing line of air switch 5 is connected with the fuse 4 of being equipped with, and the outgoing line of fuse 4 is connected with the positive plate 14, and based on this, the circuit connection between power 7 and each device is completed, so as to provide the circuit model and composition of household circuit inlet end for students,
[0026] At the same time, the display board 11 is also provided with a first simulation assembly 3, and the first simulation assembly 3 is provided with a second simulation area 34, and the second simulation area 34 is used for simulating indoor electric shock phenomenon. Therefore, students can also be provided with a circuit model and composition of household circuit indoor.
[0027] In specific use, when simulating electric shock, the hand of the doll is connected with the positive plate 14, the foot of the doll is connected with the negative plate 15, and the hand and the foot of the doll can be directly connected by the power line; when electric shock occurs, the air switch 5 trips, the circuit is cut off, the phenomenon of indoor electric shock and the role of the air switch in the circuit are simulated; at the same time, the fuse 4 can also be used to show students the protection role of the fuse 4 in the circuit and how to cut off the power supply when the circuit is overloaded or short-circuited, and the digital electric energy meter 6 can also be used to introduce the reading method of the digital electric energy meter 6 to students and its role in the household circuit.
[0028] In summary, the device can show students the composition of the household circuit and the circuit composition after entering the house, so as to facilitate the understanding of students, and also can vividly demonstrate the electric shock condition, the phenomenon of the entire circuit when electric shock and the action of each electrical equipment after electric shock.
[0029] Specifically, one end of the first simulation component 3 is provided with a positive terminal post 33, and the other end of the first simulation component 3 is provided with a negative terminal post 37; wherein the first wire 2 provided with the positive terminal post 33 is connected with the positive plate 14, and the negative terminal post 37 is connected with the negative plate 15 through the second wire 9 provided thereon, so that the two wires can provide power supply for the first simulation component 3 while also tensioning one end of the first simulation component 3 on the display board 11.
[0030] Further, since the bottom of the first simulation component 3 is hinged to the display board 11 through the hinge 17 provided thereon, the first simulation component 3 can be freely opened or closed on the display board 11, so as to facilitate the movement of the device; at the same time, when the first simulation component 3 is unfolded, the teacher can also stand behind the display board 11 and operate on the first simulation component 3, so that the students can more intuitively watch the demonstration of the teacher.
[0031] In addition, since the end of the first simulation component 3 away from the hinge 17 is connected with the display board 11 through the fixing plate 18 provided thereon, specifically, the fastener 10 passes through both ends of the fixing plate 18 and is connected with the display board 11 and the first simulation component 3, so that the closed first simulation component 3 can be fixed on the display board 11 by the fixing plate 18.
[0032] In order to facilitate the teacher and students to build the circuit, the positive plate 14 and the negative plate 15 are both connected with the outside through the wire terminal 13 provided thereon, and the fastener 10 is connected with the wire terminal 13 to fix the power line on the wire terminal 13. Specifically, the wire terminal 13 is arranged along the length direction of the positive plate 14 and the negative plate 15, and the fastener 10 is threadedly connected with the wire terminal 13, so that the power line can be easily and conveniently connected on the display board 11 to facilitate the teacher to build the circuit needed on the display board 11 and the students to complete the circuit construction by themselves.
[0033] In addition, since the one end of the display board 11 is also provided with the containing cavity 12 for storing the power supply 7, the storage and taking out of the power supply 7 are simple and convenient, and the device can be moved away from the mains, thereby ensuring the safety of students when constructing the circuit. Further, since the other end of the display board 11 is fixed with the positive plate 14 and the negative plate 15 in the display board 11 through the cover plate 16, the positive plate 14 and the negative plate 15 can be installed in the display board 11 through the disassembly of the cover plate 16, and the end faces of the positive plate 14 and the negative plate 15 can be sealed by the cover plate 16, so as to reduce the direct contact of foreign matters with the positive plate 14 and the negative plate 15, and ensure that the short circuit phenomenon does not occur between the two plates.
[0034] On the basis of the above-mentioned scheme, the first simulation assembly 3 is further provided with the first simulation area 30; the first simulation area 30 is provided with a plurality of concentric conductive rings 32, wherein the circuit connection mode between the conductive rings 32 is that the conductive rings 32 located at the outside are connected with the negative plate 15, the conductive rings 32 located at the inside are connected with the positive plate 14, and the circuit connection of all the conductive rings 32 is completed in turn.
[0035] After being powered on, the potential distribution area formed by the high-voltage line falling on the ground can be simulated; then the two ends of the power supply line are installed on the feet of the doll respectively, when the feet of the doll contact different conductive rings 32 and emit sound or light, the students are shown that different potentials have been contacted and a loop is formed; and according to the principle that the step voltage depends on the distance from the grounding point and the distance between the feet, the closer to the grounding point and the greater the distance between the feet, the higher the step voltage, and the greater the harm to the person. The farther from the power line and the closer the distance between the feet, the smaller the harm of the voltage to the human body. The formation of the step voltage and how to save oneself in danger are specifically shown to the students according to the above-mentioned principle.
[0036] Further, since the second simulation area 34 is provided with the first model 31 for simulating the power pole, and the first model 31 is provided with the first conductive rod 38 exposed and connected with the negative plate 15 and the second conductive rod 39 connected with the positive plate 14. Therefore, the double-line electric shock demonstration can be simulated; specifically, the power supply line is connected between the hands of the doll, when the power supply line on one hand of the doll contacts the first conductive rod 38 and the power supply line on the other hand contacts the second conductive rod 39, the double-line electric shock demonstration can be simulated to the students.
[0037] Further, the second simulation area 34 is further provided with a second model 36 for simulating household appliances; the second model 36 is connected with the negative electrode sheet 15, and one side of the second model 36 is further provided with a conductive plate 35 connected with the positive electrode sheet 14, thus the demonstration of touching the metal shell of the electrical appliances to cause electric shock can be simulated, specifically, the power line is connected between the hands and the feet of the human-shaped doll, at this time the hands of the doll contact the second model 36, at this time the feet of the doll contact the conductive plate 35, to simulate the electric shock phenomenon caused by contacting the electrical equipment.
[0038] In order to further enrich the simulation capability of the device, the display board 11 is further provided with a second simulation assembly 8; wherein the second simulation assembly 8 comprises a lamp holder 80 connected with the negative electrode sheet 15 on one side; the other side of the lamp holder 80 is connected with a switch 81 through a power line, and the other side of the switch 81 is connected with the positive electrode sheet 14 through a power line. Thus, the students can be demonstrated by the second simulation assembly 8 to build the circuit between the bulb and the switch 81, and the students can also complete the construction of the indoor lighting circuit by themselves.
[0039] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the described embodiments. For those skilled in the art, various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, and still fall within the protection scope of the utility model.
Claims
1. A safe electricity demonstration teaching aid, comprising a plate body assembly (1), characterized in that: The plate assembly (1) comprises a display plate (11), a positive plate (14) and a negative plate (15) laid in the display plate (11); One side of the display plate (11) is provided with a power supply (7), and the power supply (7) is connected with a digital electric energy meter (6) provided; the outgoing line of the digital electric energy meter (6) is connected with an air switch (5) provided; The zero line outgoing line of the air switch (5) is connected with the negative plate (15); wherein the fire line outgoing line of the air switch (5) is connected with a fuse (4) provided, and the outgoing line of the fuse (4) is connected with the positive plate (14); The display plate (11) is further provided with a first simulation assembly (3), and the first simulation assembly (3) is provided with a second simulation area (34); the second simulation area (34) is used for simulating indoor electric shock phenomenon.
2. A safety demonstration teaching aid according to claim 1, wherein: One end of the first simulation assembly (3) is provided with a positive terminal post (33), and the other end of the first simulation assembly (3) is provided with a negative terminal post (37); wherein the first wire (2) provided in the positive terminal post (33) is connected with the positive plate (14), and the negative terminal post (37) is connected with the negative plate (15) through the second wire (9) provided.
3. A safety demonstration teaching aid according to claim 2, wherein: The bottom of the first simulation assembly (3) is hinged to the display plate (11) through the hinge (17) provided.
4. A safety demonstration teaching aid according to claim 3, wherein: The end of the first simulation assembly (3) away from the hinge (17) is connected with the display plate (11) through the fixing plate (18) provided.
5. A safety demonstration teaching aid according to claim 4, wherein: The positive plate (14) and the negative plate (15) are connected with the outside through the terminal (13) provided, and are connected with the terminal (13) through the fastener (10) provided, so as to fix the power line on the terminal (13).
6. A safety demonstration teaching aid according to claim 5, wherein: One end of the display plate (11) is further provided with a containing cavity (12) for storing the power supply (7), and the other end of the display plate (11) is fixed with the positive plate (14) and the negative plate (15) in the display plate (11) through the cover plate (16) provided.
7. A safety demonstration teaching aid as claimed in any one of claims 1 to 6, wherein: The first simulation assembly (3) is further provided with a first simulation area (30), and a plurality of concentric conductive rings (32) are provided on the first simulation area (30).
8. A safety demonstration teaching aid according to claim 7, wherein: The second simulation area (34) is provided with a first model (31) for simulating a power pole, and the first model (31) is provided with a first conductive rod (38) exposed and connected with the negative plate (15) and a second conductive rod (39) connected with the positive plate (14).
9. A safety demonstration kit for using electricity according to claim 8, characterized in that: The second simulation area (34) is further provided with a second model (36) for simulating household appliances; the second model (36) is connected with the negative plate (15), and one side of the second model (36) is further provided with a conductive plate (35) connected with the positive plate (14).
10. A safety demonstration teaching aid according to claim 9, wherein: The display board (11) is further provided with a second simulation component (8); wherein the second simulation component (8) comprises a lamp holder (80) connected with the negative plate (15) on one side; the other side of the lamp holder (80) is connected with a switch (81) through a power line, and the other side of the switch (81) is connected with the positive plate (14) through a power line.