CN201965826U - Demonstration instrument for human body conductivity and low-voltage electric shock - Google Patents
Demonstration instrument for human body conductivity and low-voltage electric shock Download PDFInfo
- Publication number
- CN201965826U CN201965826U CN2011201027018U CN201120102701U CN201965826U CN 201965826 U CN201965826 U CN 201965826U CN 2011201027018 U CN2011201027018 U CN 2011201027018U CN 201120102701 U CN201120102701 U CN 201120102701U CN 201965826 U CN201965826 U CN 201965826U
- Authority
- CN
- China
- Prior art keywords
- electrode
- electric shock
- power supply
- direct current
- current amplifier
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model relates to a demonstration instrument for human body conductivity and low-voltage electric shock, which comprises a first electrode, a second electrode, a direct current amplifier, a flash controller, light emitting diode (LED) lamp groups and a power supply, wherein the direct current amplifier is connected with the two ends of the power supply, the first electrode is connected with the input end of the direct current amplifier, the flash controller is connected between the output end of the direct current amplifier and the anode of the power supply, the second electrode is connected with the anode of the power supply and the LED lamp groups are connected with the flash controller. The demonstration instrument has the advantages that the demonstration instrument can be used for demonstrating the human body conductivity and the low-voltage electric shock, the structure is simple, the cost is low, the practicability is high, electric shock accidents caused by the reason that pupils do not understand the common knowledge of safe electricity use can be effectively avoided, when the demonstration instrument is used for conducting electricity use cultivation to vast middle school students and pupils, the interests of the students can be improved and the effect of getting twofold results with half the effort can be reached.
Description
Technical field
The utility model relates to a kind of human-body conduction low pressure electric shock demonstrator, belongs to electronic technology field.
Background technology
Every year in all parts of the country students in middle and primary schools are arranged all and do not cause the generation of electric shock accidents, caused greatly injury for family and society because do not understand the general knowledge of safety utilization of electric power.
Human-body conduction, low pressure (being lower than 1000 volts voltage) these phenomenons of getting an electric shock can only allow the student that individual abstraction cognition is arranged by language and computer courseware in Electrical Safety education, student's understanding and memory are not dark, getting an electric shock dangerously also can not allow the student go to experience, and does not also have to demonstrate the instrument of these functions on the market.
The utility model content
Problem to be solved in the utility model is at above problem, provides a kind of human-body conduction low pressure to get an electric shock and drills
Show instrument, can demonstrate human-body conduction and low pressure and get an electric shock, simple in structure, cost is low, practical.
For overcoming the above problems, the technical solution adopted in the utility model is as follows: human-body conduction low pressure electric shock demonstrator, it is characterized in that: comprise first electrode, second electrode, direct current amplifier, flash controller, LED lamp group and power supply, direct current amplifier is connected the two ends of power supply, first electrode connects the input end of direct current amplifier, flash controller is connected between the output terminal and positive source of direct current amplifier, and second electrode connects positive source, and LED lamp group is connected with flash controller.
As further improvement in the technical proposal:
Be provided with the voice module in parallel with flash controller between the output terminal of described direct current amplifier and the positive source, voice module is connected with loudspeaker.
Be provided with the relay in parallel between the output terminal of described direct current amplifier and the positive source with flash controller.
Described flash controller, voice module and relay are in series with switch respectively.
Described direct current amplifier comprises triode T1, triode T2 and resistance R, first electrode connects the base stage of triode T1, the collector of triode T1 connects positive source through resistance R, the emitter of triode T1 connects the base stage of triode T2, the collector of triode T2 connects flash controller, and the emitter of triode T2 connects the negative pole of power supply.
Two binding post groups are set between described first electrode and second electrode, and one of them binding post group is connected with first electrode, and another one binding post group is connected with second electrode.
The quantity of described LED lamp group is two groups.
The utility model adopts above technical scheme, compared with prior art, have the following advantages: can demonstrate human-body conduction and low pressure and get an electric shock, simple in structure, cost is low, flash controller, voice module and relay have three kinds of different way of outputs, and be practical, can effectively avoid the pupil because do not understand that the general knowledge of safety utilization of electric power causes electric shock accidents, use this teaching aid when numerous students in middle and primary schools are carried out electricity consumption education, can strengthen student's interest, reach the effect of getting twice the result with half the effort.
The utility model is described in further detail below in conjunction with drawings and Examples.
Description of drawings
Accompanying drawing is the circuit theory diagrams of human-body conduction low pressure electric shock demonstrator among the utility model embodiment.
Embodiment
Embodiment, as shown in the figure, human-body conduction low pressure electric shock demonstrator, comprise first electrode A, second electrode B, direct current amplifier, flash controller, LED lamp group and power supply G, direct current amplifier is connected the two ends of power supply G, and first electrode A connects the input end of direct current amplifier, and flash controller, voice module and relay are connected in parallel between the output terminal and power supply G positive pole of direct current amplifier, second electrode B connects power supply G positive pole
Flash controller, voice module and relay are in series with switch respectively, voice module is connected with loudspeaker, direct current amplifier comprises triode T1, triode T2 and resistance R, the model of triode T1 and triode T2 is 9014, first electrode A connects the base stage of triode T1, the collector of triode T1 connects power supply G positive pole through resistance R, the emitter of triode T1 connects the base stage of triode T2, the collector of triode T2 connects flash controller, the emitter of triode T2 connects the negative pole of power supply G, LED lamp group is connected with flash controller, the quantity of LED lamp group is two groups, and two binding post groups are set between first electrode A and second electrode B, and each binding post group comprises two binding posts, wherein two binding post groups are connected with first electrode A, and two other binding post group is connected with second electrode B.
For the ease of touching, select for use bigger metallic object as first electrode A, flash controller is selected motor automobile-used LED flasher circuit for use, 12 volts of rated voltages, binding post are the binding posts with audio amplifier, can live by the spring handle wire clamp, ground wire grounded simulation electrode is layered on the ground, when first electrode A, when second electrode B is connected by human body, triode T1 and triode T2 conducting are amplified the rear drive flash controller by high power, the flash of light of flash controller control LED lamp group.
Using method:
1, human-body conduction demonstration: staff or other exposed positions touch first electrode A, second electrode B, direct current amplifier conducting, the flash of light of LED lamp group;
Low pressure needs the earth simulation electrode (tabular metallic object), live wire, zero line when getting an electric shock demonstration.Second electrode B simulation live wire, first electrode A simulation zero line, the earth simulation electrode is received ground wire above the binding post by electric wire; Live wire is received the live wire place of binding post, and zero line is received the zero line place of binding post.
2, single line gets an electric shock and demonstrates: need the people to take off footwear, step down on the earth simulation electrode, use another position of health to contact " live wire ", the flicker of LED lamp group;
Expand: can demonstrate with hand and hold dry wooden stick contact live wire, lamp does not work; Wooden stick is held the contact live wire with water-soaked with hand, and lamp is bright; Also can demonstrate to stand on the dry wooden stool and on the metal stool and demonstrate.
3, two-wire gets an electric shock and demonstrates: the people stands on the dry wooden stool, and region contacts zero line and live wire simultaneously, because the circuit turn-on lamp is bright.
4, practical: the annual generation that all has students in middle and primary schools not cause electric shock accidents because of the general knowledge of not understanding safety utilization of electric power in all parts of the country, when being carried out electricity consumption education, numerous students in middle and primary schools use this teaching aid, flash controller, voice module and relay have three kinds of different way of outputs, relay can connect other electrical equipment, can strengthen student's interest, reach the effect of getting twice the result with half the effort.
Claims (7)
1. human-body conduction low pressure electric shock demonstrator, it is characterized in that: comprise first electrode (A), second electrode (B), direct current amplifier, flash controller, LED lamp group and power supply (G), direct current amplifier is connected the two ends of power supply (G), first electrode (A) connects the input end of direct current amplifier, flash controller is connected between the output terminal and power supply (G) positive pole of direct current amplifier, second electrode (B) connects power supply (G) positive pole, and LED lamp group is connected with flash controller.
2. human-body conduction low pressure electric shock demonstrator as claimed in claim 1 is characterized in that: be provided with the voice module in parallel with flash controller between the output terminal of described direct current amplifier and power supply (G) positive pole, voice module is connected with loudspeaker.
3. human-body conduction low pressure electric shock demonstrator as claimed in claim 1 or 2 is characterized in that: be provided with the relay in parallel with flash controller between the output terminal of described direct current amplifier and power supply (G) positive pole.
4. human-body conduction low pressure electric shock demonstrator as claimed in claim 3, it is characterized in that: described flash controller, voice module and relay are in series with switch respectively.
5. human-body conduction low pressure electric shock demonstrator as claimed in claim 4, it is characterized in that: described direct current amplifier comprises triode T1, triode T2 and resistance R, first electrode (A) connects the base stage of triode T1, the collector of triode T1 connects power supply (G) positive pole through resistance R, the emitter of triode T1 connects the base stage of triode T2, the collector of triode T2 connects flash controller, and the emitter of triode T2 connects the negative pole of power supply (G).
6. human-body conduction low pressure electric shock demonstrator as claimed in claim 5, it is characterized in that: between described first electrode (A) and second electrode (B) two binding post groups are set, one of them binding post group is connected with first electrode (A), and another one binding post group is connected with second electrode (B).
7. human-body conduction low pressure electric shock demonstrator as claimed in claim 6, it is characterized in that: the quantity of described LED lamp group is two groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201027018U CN201965826U (en) | 2011-04-11 | 2011-04-11 | Demonstration instrument for human body conductivity and low-voltage electric shock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201027018U CN201965826U (en) | 2011-04-11 | 2011-04-11 | Demonstration instrument for human body conductivity and low-voltage electric shock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201965826U true CN201965826U (en) | 2011-09-07 |
Family
ID=44528377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201027018U Expired - Fee Related CN201965826U (en) | 2011-04-11 | 2011-04-11 | Demonstration instrument for human body conductivity and low-voltage electric shock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201965826U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102723027A (en) * | 2012-06-08 | 2012-10-10 | 郑州万特电气有限公司 | Body-withstanding current somatosensory device in different humidity |
| CN102750858A (en) * | 2012-06-08 | 2012-10-24 | 郑州万特电气有限公司 | Somatosensory circuit and device for current capable of being borne by human body |
| CN102842258A (en) * | 2012-08-08 | 2012-12-26 | 中国电力科学研究院 | Interactive electric power safety training system and training method thereof |
| CN103354052A (en) * | 2013-06-28 | 2013-10-16 | 雷建设 | Resistor series-parallel connection demonstrator |
| CN110033677A (en) * | 2019-06-12 | 2019-07-19 | 张柱祖 | A kind of portable multi-function electric shock explosion demonstrator |
-
2011
- 2011-04-11 CN CN2011201027018U patent/CN201965826U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102723027A (en) * | 2012-06-08 | 2012-10-10 | 郑州万特电气有限公司 | Body-withstanding current somatosensory device in different humidity |
| CN102750858A (en) * | 2012-06-08 | 2012-10-24 | 郑州万特电气有限公司 | Somatosensory circuit and device for current capable of being borne by human body |
| CN102842258A (en) * | 2012-08-08 | 2012-12-26 | 中国电力科学研究院 | Interactive electric power safety training system and training method thereof |
| CN102842258B (en) * | 2012-08-08 | 2016-04-20 | 中国电力科学研究院 | A kind of interactive electric power safety training system and Training Methodology thereof |
| CN103354052A (en) * | 2013-06-28 | 2013-10-16 | 雷建设 | Resistor series-parallel connection demonstrator |
| CN110033677A (en) * | 2019-06-12 | 2019-07-19 | 张柱祖 | A kind of portable multi-function electric shock explosion demonstrator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201965826U (en) | Demonstration instrument for human body conductivity and low-voltage electric shock | |
| CN201007864Y (en) | Teaching model for simulating human body electric shock | |
| CN201000686Y (en) | Demonstrator for simulating remote electric power transmission | |
| CN102214406A (en) | Body pyroelectric infrared sensor and Fresnel lens combined control circuit demonstrator | |
| CN202838777U (en) | Practical training device for photovoltaic electronic products | |
| CN203217820U (en) | Electronic smog alarm for teaching | |
| CN201667265U (en) | Displaying sliding rheostat used for testing | |
| CN204303229U (en) | Characteristic of photoresistance value and application experiment instrument | |
| CN204904710U (en) | Alcohol gas sensor characteristic and applied demonstration appearance | |
| CN204537578U (en) | Self-inductive phenomenon demonstration instrument | |
| CN213092617U (en) | Current display type slide rheostat | |
| CN204257065U (en) | Wet-out phenomenon demonstrator | |
| CN202838766U (en) | Fluorescent lamp test demonstration device | |
| CN205375931U (en) | Acoustooptic controlled delay economize on electricity light switch principle demonstration appearance | |
| CN205943243U (en) | Zener diode working characteristics demonstrates appearance | |
| CN201000685Y (en) | DC current direction demonstration instrument | |
| CN202352197U (en) | Teaching demonstration device for temperature indication simulation circuit | |
| CN201910186U (en) | Safety electricity utilization simulation teaching board | |
| CN205428326U (en) | Touch economize on electricity light switch principle demonstrates appearance | |
| CN203910130U (en) | Human body conductive ball | |
| CN202976627U (en) | Lightning and thunder simulating circuit | |
| CN202394426U (en) | Teaching presentation device for solar automatic road lamp control circuit | |
| CN104407245A (en) | Photoresistor characteristics and application tester | |
| CN200976232Y (en) | Multifunctional circuit demonstrator | |
| CN204242488U (en) | Simple and easy conductor resistance and length relation illustrative circuitry |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110907 Termination date: 20120411 |