CN218848933U

CN218848933U - Human body simulation electric shock experimental device for teaching

Info

Publication number: CN218848933U
Application number: CN202222289592.6U
Authority: CN
Inventors: 倪明; 杨泽艳; 饶庆亚; 倪进; 卢军; 郭勇; 王居明; 朱芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-08-29
Filing date: 2022-08-29
Publication date: 2023-04-11
Anticipated expiration: 2032-08-29

Abstract

The utility model discloses a human body simulation electric shock experimental apparatus is used in teaching, high-voltage arc analogue means are located one side of panel, have laid analog circuit on the panel, and analog circuit includes live wire, zero line, connecting wire and current conducting plate intercommunication, and the current conducting plate is located one side of panel, and live wire and zero line can switch on, and live wire and connecting wire can switch on, and zero line and connecting wire can not switch on. The beneficial effects of the utility model are that: through high-voltage arc analogue means, can simulate stride and electrocute and electric arc and electrocute, through analog circuit, make live wire and zero line can switch on, live wire and connecting wire can switch on, zero line and connecting wire can not switch on, and then can launch single live wire electrocute teaching, the teaching of double-line electrocute, single zero line electrocute teaching, human and ground insulation do not electrocute teaching, the teaching of suing and labouring is executed and laboured to the electric shock, the student is whether bright through observing LED's lamp, can audio-visual judgement human whether electrocute, improve student's participation and study enthusiasm.

Description

Human body simulation electric shock experimental device for teaching

Technical Field

The utility model relates to a human electric shock experiment, especially a human simulation electric shock experimental apparatus for teaching.

Background

The teaching material utilizes the form of pictures to show several conditions which can cause electric shock, the form is single, the intuition is lacked, students cannot experience the body in person, the warning performance is not strong, and therefore the attention of the students to electric shock accidents is not enough to be aroused. In the experimental device, the LED emergency lamp is provided with a power supply, the voltage is low, the LED emergency lamp forms a channel to emit light, the phenomenon is obvious and safe, and the participation degree of students is improved; the neon tube in the test pencil is lighted by the electrified Tesla coil, a high-voltage electric arc electric shock which is not common in real life is displayed, the low-voltage small colored lamp is used for conducting light emission between two feet to simulate a high-voltage step electric shock, and the safety education is carried out while the on-site simulation is carried out on the harm caused by violating the safety power utilization rule.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's shortcoming, provide a human simulation electric shock experimental apparatus for teaching.

The purpose of the utility model is realized through the following technical scheme: the utility model provides a human body simulation electric shock experimental apparatus for teaching, includes panel and high-voltage arc analogue means, and high-voltage arc analogue means is located one side of panel, has laid analog circuit on the panel, and analog circuit includes live wire, zero line, connecting wire and current conducting plate, and connecting wire and current conducting plate intercommunication, and the current conducting plate is located one side of panel, and live wire and zero line can switch on, and live wire and connecting wire can switch on, and zero line and connecting wire can not switch on.

Optionally, the analog circuit further includes a first node, a second node, a third node, a fourth node, a fifth node, a first diode, a second diode, a third diode, a fourth diode, a fifth diode and a sixth diode, the live wire is connected to the first node, the first node is connected to the second node through a first wire, the first wire is provided with the first diode, the anode of the first diode is connected to the first node, the cathode of the first diode is connected to the second node, the second node is connected to the third node through a second wire, the second wire is provided with the second diode, the anode of the second diode is connected to the second node, the cathode of the second diode is connected to the third node, the zero line is connected to the third node, the second node is further connected to the fourth node through a third wire, the fourth node is provided with a third diode, the anode of the third diode is connected with the second node, the cathode of the third diode is connected with the fourth node, the fourth node is connected with the fifth node through a fourth lead, a fourth diode is arranged on the fourth lead, the anode of the fourth diode is connected with the fourth node, the cathode of the fourth diode is connected with the fifth node, the fifth node is connected with the first node through a fifth lead, a sixth diode is arranged on the fifth lead, the anode of the sixth diode is connected with the fifth node, the cathode of the sixth diode is connected with the first node, the third node is connected with the fifth node through a sixth lead, a fifth diode is arranged on the sixth lead, the anode of the fifth diode is connected with the third node, the cathode of the fifth diode is connected with the fifth node, and a connecting wire is connected with the fourth node.

Optionally, still include the LED emergency light, the one end and the live wire of LED emergency light are connected, and the other end and the human body of LED emergency light are connected, and the human body stands on the current conducting plate.

Optionally, the LED emergency lamp further comprises an LED emergency lamp and an insulator, the insulator is placed on the conducting plate, a human body stands on the insulator, one end of the LED emergency lamp is connected with the live wire, the other end of the LED emergency lamp is connected with the human body, and the human body is connected with the zero line through a wire.

Optionally, still include the LED emergency light, the one end and the zero line of LED emergency light are connected, and the other end and the human body of LED emergency light are connected, and the human body stands on the current conducting plate.

Optionally, the LED emergency lamp further comprises an LED emergency lamp and an insulator, wherein the insulator is placed on the conducting plate, a human body stands on the insulator, one end of the LED emergency lamp is connected with the live wire, and the other end of the LED emergency lamp is connected with the human body.

Optionally, the LED emergency lamp further comprises an LED emergency lamp A, LED, a human body A and a human body B, wherein the human body B is in an insulating state and stands on the current-conducting plate, the human body A stands on the current-conducting plate, one end of the LED emergency lamp A is connected with the live wire, the other end of the LED emergency lamp A is connected with the human body A, the human body A is connected with the human body B, one end of the LED emergency lamp B is connected with the human body B, and the other end of the LED emergency lamp B is connected with the current-conducting plate.

Optionally, still include LED emergency light A, LED emergency light B, human A and human B all stand on the current conducting plate, LED emergency light A's one end and live wire are connected, LED emergency light A's the other end and human A are connected, and be provided with the second switch on the wire between LED emergency light A and the live wire, LED emergency light B's one end and live wire are connected, be provided with the third switch on the wire of LED emergency light B's the other end, human B and LED emergency light B are connected with the wire between the third switch.

It is optional, still including a plurality of little color lamps and the human body of series connection, the insulating pad has been placed on the current conducting plate, the top of insulating pad is connected with safety power supply through the wire, safety power supply's the other end and high-voltage arc analogue means are connected, a plurality of little color lamps twine on human body, and the series circuit's of a plurality of little color lamps one end is connected with human left foot, another one end of the series circuit of a plurality of little color lamps is connected with human right foot, human left foot is connected with the current conducting plate, human right foot and current conducting plate lug connection or human right foot step on the insulating pad, high-voltage arc analogue means still is connected with the current conducting plate.

Optionally, the high-voltage arc simulator includes a support frame and a high-voltage arc simulator, and the high-voltage arc simulator is mounted on the support frame.

The utility model has the advantages of it is following: the utility model discloses a human body simulation electric shock experimental apparatus is used in teaching, through high-voltage arc analogue means, can simulate stride electric shock and electric arc electric shock, through analog circuit, make live wire and zero line can switch on, live wire and connecting wire can switch on, zero line and connecting wire can not switch on, and then can launch single live wire electric shock teaching, the teaching of double-wire electric shock, single zero line electric shock teaching, human and ground insulation do not electric shock teaching, the teaching of suing and labouring is taked or rescue to the electric shock, the teaching of switch mounted position, whether the student is bright through observing LED's lamp, thereby can audio-visual judgement human whether electric shock, student's participation and study enthusiasm have been improved.

Drawings

FIG. 1 is a schematic structural diagram of the present invention

FIG. 2 is a schematic diagram of an analog circuit

FIG. 3 is a schematic diagram of single live wire electric shock teaching;

FIG. 4 is a schematic diagram of two-wire shock teaching;

FIG. 5 is a schematic view of single zero line electric shock teaching;

FIG. 6 is a schematic view of teaching that human body is insulated from ground and does not get an electric shock;

FIG. 7 is a schematic view of the teaching of electric shock rescue;

FIG. 8 is a schematic view of a switch mounting position teaching;

FIG. 9 is a schematic view of step-by-step electric shock teaching;

in the figure, 101-live wire, 102-neutral wire, 103-connecting wire, 104-first node, 105-second node, 106-third node, 107-fourth node, 108-fifth node, 109-first diode, 110-second diode, 111-third diode, 112-fourth diode, 113-fifth diode, 114-sixth diode, 115-conductive plate, 100-analog circuit, 200-display plate, 300-high-voltage arc simulator, 301-support frame and 302-high-voltage arc simulator.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which the products of the present invention are conventionally placed in use, or the position or positional relationship which the skilled person conventionally understand, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the reference is made must have a specific position, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 and 2, a human body simulation electric shock experimental apparatus for teaching, including panel 200 and high-voltage arc simulator 300, high-voltage arc simulator 300 is located one side of panel 200, analog circuit 100 has been laid on panel 200, analog circuit 100 includes live wire 101, zero line 102, connecting wire 103 and conducting plate 115 communicate, and conducting plate 115 is located one side of panel 200, and live wire 101 and zero line 102 can switch on, live wire 101 and connecting wire 103 can switch on, zero line 102 and connecting wire 103 can not switch on.

In this embodiment, as shown in fig. 2, the analog circuit 100 further includes a first node 104, a second node 105, a third node 106, a fourth node 107, a fifth node 108, a first diode 109, a second diode 110, a third diode 111, a fourth diode 112, a fifth diode 113, and a sixth diode 114, the live wire 101 is connected to the first node 104, the first node 104 is connected to the second node 105 through a first wire, the first diode 109 is disposed on the first wire, the anode of the first diode 109 is connected to the first node 104, the cathode of the first diode 109 is connected to the second node 105, the second node 105 is connected to the third node 106 through a second wire, the second diode 110 is disposed on the second wire, the anode of the second diode 110 is connected to the second node 105, the cathode of the second diode 110 is connected to the third node 106, the neutral wire 102 is connected to the third node 106, the second node 105 is further connected to the fourth node 107 through a third wire, the fourth diode 107 is mounted on the fourth node 107, the third diode 111 is connected to the cathode of the fourth diode 107, the fourth diode 107 is connected to the fourth diode 107, the anode of the fourth diode 107 is connected to the fourth diode 107, the anode of the fourth diode 107 is connected to the fourth diode 107, the anode of the fifth diode 113 is connected to the third node 106, the cathode of the fifth diode 113 is connected to the fifth node 108, and the connection line 103 is connected to the fourth node 107, so that current can flow from the live line 101 to the neutral line 102, and current can also flow from the live line 101 to the connection line 103, but no conduction exists between the neutral line 102 and the connection line 103, that is, current cannot flow from the neutral line 102 to the connection line 103, and current cannot flow from the connection line 103 to the neutral line 102, in this embodiment, the conductive plate 115 is one of a steel plate, an aluminum plate, or a copper plate, preferably, an aluminum plate is used, and the conductive plate 115 is placed on the ground, so the connection line 103 and the conductive plate 115 simulate the ground, in this embodiment, the following teaching experiment can be performed based on the analog circuit 100: the teaching of single live wire 101 electric shock, the teaching of double-wire electric shock, the teaching of single zero line 102 electric shock, human and ground insulation do not get an electric shock teaching, electric shock rescue teaching, switch mounted position teaching will expand the description respectively below, and in this application, the human body all is the mr who has trained through the specialty, has abundant physical teaching, experimental experience.

The first embodiment is as follows: single live wire 101 electric shock teaching, as shown in fig. 3, in this embodiment, a human simulation is electrocute experimental apparatus for teaching, still include the LED emergency light, the one end and the live wire 101 of LED emergency light are connected, the other end and the human body of LED emergency light are connected, the human body is stood on current conducting plate 115, the LED emergency light belongs to the market and buys the product, when the LED emergency light has the return circuit that switches on, the LED emergency light is then luminous, consequently, in this embodiment, the live wire 101, the human body, connecting wire 103, the electric conductor has then formed the return circuit, the LED emergency light is bright this moment, the description is when the human body is stood on the ground, human body and live wire 101 contact, the electric current then can be through the human body, thereby lead to the human body to electrocute.

Example two: two-wire electric shock teaching, as shown in fig. 4, in this embodiment, a teaching is with human simulation electric shock experimental apparatus, still include LED emergency light and insulator, it is preferred, the insulator is insulating bench, the insulator is placed on current conducting plate 115, the human body stands on the insulator, the one end and the live wire 101 of LED emergency light are connected, the other end and the human body of LED emergency light are connected, the human body passes through the wire with zero line 102 and is connected, consequently, the LED emergency light, live wire 101, zero line 102 and human body have become the return circuit that switches on, the LED emergency light is bright this moment, the explanation stands on the insulator when the human body, if the human body contacts with live wire 101 and zero line 102 simultaneously, the electric current then can pass through the human body, thereby lead to the human electric shock.

Example three: the teaching of single zero line 102 electric shock, as shown in fig. 5, still include the LED emergency light, the one end of LED emergency light with zero line 102 is connected, the other end of LED emergency light is connected with the human body, the human body is stood on current conducting plate 115, because zero line 102 and current conducting plate 115 do not switch on, therefore LED emergency light, zero line 102, the human body and current conducting plate 115 then can not form the return circuit, the LED emergency light is not bright this moment, explain, when the human body stands on the ground, the human body contacts with zero line 102, the electric current then can not pass through the human body, thereby the human body does not get an electric shock, that is to say, when the human body stands on the ground, only with zero line 102 contact, the human body does not have the risk of getting an electric shock.

Example four: human and ground insulation do not electrocute teaching, as shown in fig. 6, in this embodiment, a teaching is with human simulation experiment device that electrocutes, still include LED emergency light and insulator, the insulator is placed on current conducting plate 115, the human body stands on the insulator, the one end and the live wire 101 of LED emergency light are connected, the other end and the human body of LED emergency light are connected, at this moment, the LED emergency light, live wire 101, connecting wire 103, current conducting plate 115, can not form the return circuit between insulator and the human body, the LED emergency light is not bright, explain, stand on the insulator when the human body, even if human and live wire 101 contact, at this moment, the human body also can not have the electric current to pass through, the human body then does not have the risk of electrocuting at this moment.

Example five: the electric shock rescue teaching is as shown in fig. 7, in this embodiment, a human body simulation electric shock experimental device for teaching further comprises an LED emergency lamp A, LED emergency lamp B, a human body a and a human body B, the human body B is in an insulated state and stands on a conductive plate 115, the human body a stands on the conductive plate 115, one end of the LED emergency lamp a is connected with a live wire 101, the other end of the LED emergency lamp a is connected with the human body a, the human body a is connected with the human body B, one end of the LED emergency lamp B is connected with the human body B, and the other end of the LED emergency lamp B is connected with the conductive plate 115.

Example six: teaching of switch installation position, as shown in fig. 8, in this embodiment, a teaching human body simulation electric shock experimental apparatus, further includes an LED emergency lamp A, LED emergency lamp B, a human body a and a human body B, the human body a and the human body B both stand on a conductive plate 115, one end of the LED emergency lamp a is connected with a live wire 101, the other end of the LED emergency lamp a is connected with the human body a, a second switch is arranged on a wire between the LED emergency lamp a and the live wire 101, one end of the LED emergency lamp B is connected with the live wire 101, a third switch is arranged on a wire at the other end of the LED emergency lamp B, the human body B is connected with a wire between the LED emergency lamp B and the third switch, during the teaching, the second switch and the third switch are both turned off, at this time, the LED emergency lamp a and the LED emergency lamp B are both turned on, it is explained that the human body a and the human body B are both get an electric shock, then the second switch and the third switch are both turned on, at this time, the LED emergency lamp a goes off, and the LED emergency lamp B still emits light, and it is explained that the switch can only be installed between the live wire 101 and the power utilization equipment.

In this embodiment, based on the high-voltage arc simulator 300, it is also possible to simulate high-voltage arc shock teaching and step shock teaching, and the description of the arc shock teaching and step shock teaching will be given below.

Example seven: arc electrocution teaching, in this embodiment, high-voltage arc analogue means 300 includes support frame 301 and high-voltage arc simulator 302, high-voltage arc simulator 302 is installed on support frame 301, it is preferred, high-voltage arc simulator 302 is the transformer that adopts the simulation of tesla coil, tesla coil belongs to the commercial product, after the power-on of tesla coil, can form electric arc, at this moment, the experiment mr then handheld test pencil is close to high-voltage arc analogue means 300 gradually, when the test pencil is close to high-voltage arc simulator 302, the lamp of test pencil is bright this moment, thereby explain when the human body is close to high-voltage transformer, have the electric arc risk of electrocution.

Example eight: in this embodiment, as shown in fig. 9, a human body simulated electric shock experimental device for teaching further comprises a plurality of small colored lamps and a human body connected in series, an insulating pad is placed on a conductive plate 115, the top of the insulating pad is connected with a safety power supply through a wire, the other end of the safety power supply is connected with a high-voltage arc simulation device 300, the plurality of small colored lamps are wound on the human body, one end of a series circuit of the plurality of small colored lamps is connected with the left foot of the human body, one end of the series circuit of the plurality of small colored lamps is connected with the right foot of the human body, the left foot of the human body is connected with the conductive plate 115, the right foot of the human body is directly connected with the conductive plate 115 or the right foot of the human body steps on the insulating pad, the high-voltage arc simulation device 300 is further connected with the conductive plate, in this embodiment, the safety power supply simulates a high-voltage wire, that is a simulated high-voltage wire falls to the ground, when the human body is in the electrically conductive region, if save oneself, and a human foot and the contact of current conducting plate 115, another foot is insulating with current conducting plate 115, then the simulation is striding, this moment, a foot when the human body is on current conducting plate 115, another foot is on the insulating pad, little color lamp, the current conducting plate, form the return circuit between safety power supply and the high-voltage arc analogue means, little color lamp is bright this moment, it is electrically conductive to explain the human body, when the human body drops the electrically conductive region on ground at the high-voltage line, the walking of striding then can lead to the human body to electrocute, and when two feet of the human body and leg leap on current conducting plate 115, little color lamp, the current conducting plate, then can not form the return circuit between safety power supply and the high-voltage arc analogue means, little color lamp is not bright this moment, explain when the human body is located the electrically conductive region that the high-voltage line dropped ground, adopt the mode of leap to realize saving oneself.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a human simulation electric shock experimental apparatus for teaching which characterized in that: including panel and high-voltage arc analogue means, high-voltage arc analogue means is located one side of panel, high-voltage arc analogue means includes support frame and high-voltage arc simulator, the high-voltage arc simulator is installed on the support frame, analogue circuit has been laid on the panel, analogue circuit includes live wire, zero line, connecting wire and current conducting plate, the connecting wire with the current conducting plate intercommunication, just the current conducting plate is located one side of panel, just the live wire with the zero line can switch on, the live wire with the connecting wire can switch on, the zero line with the connecting wire can not switch on.

2. The human body simulation electric shock experimental device for teaching of claim 1, characterized in that: the analog circuit further comprises a first node, a second node, a third node, a fourth node, a fifth node, a first diode, a second diode, a third diode, a fourth diode, a fifth diode and a sixth diode, wherein the live wire is connected with the first node, the first node is connected with the second node through a first lead, the first lead is provided with the first diode, the anode of the first diode is connected with the first node, the cathode of the first diode is connected with the second node, the second node is connected with the third node through a second lead, the second lead is provided with the second diode, the anode of the second diode is connected with the second node, the cathode of the second diode is connected with the third node, and the zero line is connected with the third node, the second node is also connected with the fourth node through a third lead, a third diode is installed on the fourth node, the anode of the third diode is connected with the second node, the cathode of the third diode is connected with the fourth node, the fourth node is connected with the fifth node through a fourth lead, a fourth diode is arranged on the fourth lead, the anode of the fourth diode is connected with the fourth node, the cathode of the fourth diode is connected with the fifth node, the fifth node is connected with the first node through a fifth lead, a sixth diode is arranged on the fifth lead, the anode of the sixth diode is connected with the fifth node, the cathode of the sixth diode is connected with the first node, and the third node is connected with the fifth node through a sixth lead, and a fifth diode is arranged on the sixth lead, the anode of the fifth diode is connected with the third node, the cathode of the fifth diode is connected with the fifth node, and the connecting wire is connected with the fourth node.

3. The human body simulated electric shock experimental device for teaching according to claim 1 or 2, characterized in that: still include the LED emergency light, the one end of LED emergency light with the live wire is connected, the other end and the human body of LED emergency light are connected, the human body is stood on the current conducting plate.

4. The human body simulated electric shock experimental device for teaching according to claim 1 or 2, characterized in that: the LED emergency lamp comprises a conducting plate, a human body and an LED emergency lamp body, and is characterized by further comprising the LED emergency lamp body and an insulator, wherein the insulator is placed on the conducting plate, the human body stands on the insulator, one end of the LED emergency lamp body is connected with the live wire, the other end of the LED emergency lamp body is connected with the human body, and the human body is connected with the zero line through a wire.

5. The human body electric shock simulation experimental device for teaching according to claim 1 or 2, characterized in that: still include LED emergency light, the one end of LED emergency light with the zero line is connected, the other end and the human body of LED emergency light are connected, the human body is stood on the current-conducting plate.

6. The human body electric shock simulation experimental device for teaching according to claim 1 or 2, characterized in that: the LED emergency lamp comprises a conducting plate, a live wire and an LED emergency lamp body, and is characterized by further comprising the LED emergency lamp body and an insulator, wherein the insulator is placed on the conducting plate, a human body stands on the insulator, one end of the LED emergency lamp body is connected with the live wire, and the other end of the LED emergency lamp body is connected with the human body.

7. The human body simulated electric shock experimental device for teaching according to claim 1 or 2, characterized in that: still include LED emergency light A, LED emergency light B, human A and human B, human B is insulating to be stood on the current conducting plate, human A stands on the current conducting plate, LED emergency light A's one end with the live wire is connected, LED emergency light A's the other end with human A connects, human A and human B connect, just LED emergency light B's one end with human B connects, LED emergency light B's the other end with the current conducting plate is connected.

8. The human body simulated electric shock experimental device for teaching according to claim 1 or 2, characterized in that: still include LED emergency light A, LED emergency light B, human A and human B all stand on the current conducting plate, LED emergency light A's one end with the live wire is connected, LED emergency light A's the other end with human A connects, just LED emergency light A with be provided with the second switch on the wire between the live wire, LED emergency light B's one end with the live wire is connected, be provided with the third switch on the wire of LED emergency light B's the other end, human B with LED emergency light B with wire between the third switch is connected.

9. The human body simulated electric shock experimental device for teaching according to claim 1 or 2, characterized in that: still including a plurality of little color lamps of series connection and human, insulating pad has been placed on the current conducting plate, the top of insulating pad is connected with safety power supply through the wire, safety power supply's the other end with high-voltage arc analogue means connects, and is a plurality of little color lamp winding is in on the human body, and the series circuit's of a plurality of little color lamps one end is connected with human left foot, and another one end of the series circuit of a plurality of little color lamps is connected with human right foot, human left foot with the current conducting plate is connected, human right foot with current conducting plate lug connection or human right foot is stepped on the insulating pad, high-voltage arc analogue means still with the current conducting plate is connected.