CN201910186U

CN201910186U - Safety electricity utilization simulation teaching board

Info

Publication number: CN201910186U
Application number: CN2011200144743U
Authority: CN
Inventors: 张长生
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-01-18
Filing date: 2011-01-18
Publication date: 2011-07-27
Anticipated expiration: 2021-01-18

Abstract

The utility model relates to the field of teaching aids, and particularly provides a safety electricity utilization simulation teaching board, which structurally and mainly comprises a bottom board, a bulb, leads, resistors and binding posts. The bulb is arranged in the middle of the bottom board by the aid of a lamp base; the four leads are led out of the lamp base; the first binding post and the second binding post are arranged on the right upper portion of the bottom board; the third binding post and the fourth binding post are arranged on the left upper portion of the bottom board; the fifth binding post, the sixth binding post, the seventh binding post and the eighth binding post are sequentially arranged on the lower portion of the bottom board from left to right; the first binding post and the third binding post are connected with each other by the aid of one lead; the second binding post and the fourth binding post are connected with each other by the aid of one lead; the fourth binding post and the fifth binding post are connected with each other by the aid of one lead; the fifth binding post and the sixth binding post are connected with each other by the aid of one lead; the first resistor is serially connected between the sixth binding post and the seventh binding post; and the second resistor is serially connected between the seventh binding post and the eighth binding post. Compared with the prior art, the safety electricity utilization simulation teaching board has the advantages of direct vision, understandability, flexibility and convenience in use and the like.

Description

Safety utilization of electric power simulation demonstrator

Technical field

The utility model relates to the teaching aid field, and a kind of safety utilization of electric power simulation demonstrator specifically is provided.

Background technology

Safety utilization of electric power is that everyone needs the daily knowledge understood, especially the essential content of grasping of each student.At present, all be by teacher's explanation for the classroom instruction of various electric shock situations, cooperate picture presentation to finish.Though oral explanation also can the various electric shock situations of total number, and is directly perceived inadequately, is unfavorable for that the student understands.And picture presentation also is difficult to the requirement that reaches flexible.

Summary of the invention

The utility model is at above-mentioned the deficiencies in the prior art, and a kind of safety utilization of electric power reasonable in design, visual and understandable, flexible and convenient to use simulation demonstrator is provided.

The technical scheme that its technical matters that solves the utility model adopts is: safety utilization of electric power simulation demonstrator, mainly by base plate, bulb, lead, resistance and binding post constitute, bulb is arranged on the base plate middle part by lamp socket, there are four leads to draw from lamp socket, be provided with first binding post at the base plate upper right quarter, second binding post, the base plate upper left quarter is provided with the 3rd binding post and the 4th binding post, the base plate bottom is provided with the 5th binding post from left to right successively, the 6th binding post, the 7th binding post and the 8th binding post, between first binding post and the 3rd binding post, between second binding post and the 4th binding post, between the 4th binding post and the 5th binding post, all directly be connected between the 5th binding post and the 6th binding post by lead, be serially connected with first resistance between the 6th binding post and the 7th binding post, be serially connected with second resistance between the 7th binding post and the 8th binding post.

During use, the lead between first binding post and the 3rd binding post can be equivalent to " live wire "; Lead between second binding post and the 4th binding post can be equivalent to " zero line "; Lead between the 4th binding post and the 5th binding post can be equivalent to " wall "; The lead of the 5th binding post to the eight binding posts is equivalent to " ground ".

In order to make displaying more vivid, can be at the base plate middle part the fixing little human model of toy, toy person of low position model four limbs can free activity, lamp socket is fixed on toy person of low position model chest, four leads of drawing from lamp socket fix with the four limbs of the little human model of toy respectively.

Described lead is bare wire.

Safety utilization of electric power of the present utility model simulation demonstrator is compared with prior art, can show various electric shocks on same demonstrator or the situation of can not getting an electric shock, and has intuitively, easy to understand, characteristics such as flexible and convenient to use.

Description of drawings

Accompanying drawing 1 is the structural representation of the utility model safety utilization of electric power simulation demonstrator.

Embodiment

The utility model is described in further detail below in conjunction with the drawings and specific embodiments, but not as to qualification of the present utility model.

Provide a most preferred embodiment below:

Safety utilization of electric power simulation demonstrator mainly is made of base plate 1, toy person of low position model 2, bulb 3, first binding post 4, second binding post 5, the 3rd binding post 6, the 4th binding post 7, the 5th binding post 8, the 6th binding post 9, the 7th binding post 10, the 8th binding post 11, the first resistance 12 and second resistance 13.

Toy person of low position model 2 is fixed on base plate 1 middle part, and its four limbs can be free movable.Bulb 3 is fixed on the chest of toy person of low position model 2 by lamp socket.Have four leads (lead a, lead b, lead c, lead d) to draw from lamp socket, four leads (lead a, lead b, lead c, lead d) four limbs with toy person of low position model 2 respectively fix.

First binding post 4, second binding post 5 are fixed on base plate 1 upper right quarter; The 3rd binding post 6 and the 4th binding post 7 are fixed on base plate 1 upper left quarter; The 5th binding post 8, the 6th binding post 9, the 7th binding post 10 and the 8th binding post 11 are fixed on base plate 1 bottom from left to right successively.

First binding post 4 is connected by lead 14 with the 3rd binding post 6; Second binding post 5 is connected by lead 15 with the 4th binding post 7; The 4th binding post 7 is connected by lead 16 with the 5th binding post 8; The 5th binding post 8 is connected by lead 17 with the 6th binding post 9; First resistance 12 is serially connected between the 6th binding post 9 and the 7th binding post 10; Second resistance 13 is serially connected between the 7th binding post 10 and the 8th binding post 11.

During use, at first, first binding post 4, second binding post 5 are connected with battery plus-negative plate respectively.Lead 14 between first binding post 4 and the 3rd binding post 6 can be equivalent to " live wire "; Lead 15 between second binding post 5 and the 4th binding post 7 can be equivalent to " zero line "; Lead 16 between the 4th binding post 7 and the 5th binding post 8 can be equivalent to " wall "; Be equivalent to " ground " between the 5th binding post 8 to the 8th binding posts 11.

Concrete demo content:

1, the phenomenon of not getting an electric shock

People's (little human model of toy) has only hand contact live wire (lead 14), and other parts of health and the earth, wall insulate, people's can not get an electric shock (bulb 3 does not work).

2, electric shock phenomenon

Though A, people and the earth insulation, two hands contact can get an electric shock (bulb 3 is bright) with live wire (lead 14) respectively simultaneously with zero line (lead 15);

Though B, people and the earth insulation, two hands contact can get an electric shock (bulb 3 is bright) with live wire (lead 14) respectively simultaneously with wall (lead 16);

C, people stand in big ground (lead is connected between lead c or lead d and the 5th binding post 8 to the 8th binding posts 11), as long as a hand contacts can get an electric shock (bulb 3 is bright) with live wire (lead 14);

Resistance between D, human body and the live wire is big more, the extent of injury more little (bulb 3 brightness are more little) when taking place to get an electric shock.

3, the electric shock that strides

Live wire falls on the ground when certain position between the 5th binding post 8 to the 8th binding posts 11 is connected (be lead 14 with):

A, people's both feet close up stand still (lead c, lead d contact with same position), do not have step voltage, can not get an electric shock (bulb 3 does not work);

When between B, bipod step voltage having been arranged, people's get an electric shock (bulb 3 is bright);

Distance between C, bipod is big more, and step voltage is big more, extent of injury big more (bulb 3 brightness are big more) after the people gets an electric shock.

Claims

1. demonstrator is simulated in safety utilization of electric power, it is characterized in that, mainly by base plate, bulb, lead, resistance and binding post constitute, bulb is arranged on the base plate middle part by lamp socket, there are four leads to draw from lamp socket, be provided with first binding post at the base plate upper right quarter, second binding post, the base plate upper left quarter is provided with the 3rd binding post and the 4th binding post, the base plate bottom is provided with the 5th binding post from left to right successively, the 6th binding post, the 7th binding post and the 8th binding post, between first binding post and the 3rd binding post, between second binding post and the 4th binding post, between the 4th binding post and the 5th binding post, all directly be connected between the 5th binding post and the 6th binding post by lead, be serially connected with first resistance between the 6th binding post and the 7th binding post, be serially connected with second resistance between the 7th binding post and the 8th binding post.

2. safety utilization of electric power simulation demonstrator according to claim 1, it is characterized in that, be fixed with the little human model of toy at the base plate middle part, toy person of low position model four limbs can be free movable, lamp socket is fixed on toy person of low position model chest, and four leads of drawing from lamp socket fix with the four limbs of the little human model of toy respectively.