CN2618239Y - Instrument for demonstrating and having experiment of high voltage electrostatic personally - Google Patents
Instrument for demonstrating and having experiment of high voltage electrostatic personally Download PDFInfo
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- CN2618239Y CN2618239Y CNU032308159U CN03230815U CN2618239Y CN 2618239 Y CN2618239 Y CN 2618239Y CN U032308159 U CNU032308159 U CN U032308159U CN 03230815 U CN03230815 U CN 03230815U CN 2618239 Y CN2618239 Y CN 2618239Y
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Abstract
The utility model relates to a high-voltage electrostatic device used for demonstration and personal experiencing, and is characterized in that: the utility model comprises an insulating stand, a controlling stand, a metal sphere and a controlling circuit; a display screen is positioned in the controlling stand; the metal sphere is positioned on the top of the insulating stand; the controlling circuit comprises a power switch, a voltage regulator, a high-voltage DC generator and a follow-up DC voltage generator, an A/D converter and a CPU; the output of the high-voltage DC generator is electrically connected with the metal sphere. When demonstrating, testees stand on the insulating stand, putting the hands on a spherical shell and the high-voltage DC generator can pass electric charge to the spherical shell until 200 thousand volt dynamic balance is reached. With the effectiveness of electrostatic repulsion, hair of the testees can stand on the end, making the testees feel the experience of being in high potential state and know more about principles of high voltage protection and high-voltage live-line operation as well as phenomenon of equal potential and electrostatic repulsion, thus promoting the high-voltage electrostatic knowledge.
Description
Technical field
The utility model relates to and a kind ofly is used to demonstrate and the device of the high-pressure electrostatic that undergoes.
Background technology
In classroom instruction,, generally adopt model De Graff electrostatic generator to demonstrate for the reason of high-pressure electrostatic is described, but this demonstration can only allow the person of receiving instruction obtain a kind of knowledge of the rational faculty, which type of impression as for saying under the situation of high pressure is, the person of receiving instruction can't experience, and also dare not experience.
Summary of the invention
The utility model is in order to solve the defective in the existing high-pressure electrostatic teaching demonstration, and provide a kind of in teaching with in scientific exhibit, be used to demonstrate and the device of the high-pressure electrostatic that undergoes, demonstration by this device, can make the person of receiving instruction and visitor experience the impression that is under the high potential state in person, thereby popularize high-pressure electrostatic knowledge, make everybody understand the principle of high voltage protection, high-voltage hot-line work, eliminate people, understand the security of human body under equipotential the high-tension feared state of mind..
The technical measures that the utility model is taked are, a kind ofly are used to demonstrate and the device of the high-pressure electrostatic that undergoes, and are characterized in, comprising: an insulating stand, a control desk, a metal ball body and a control circuit; Described control desk is provided with display screen; Described metal ball body is located at the top of insulating stand upper pillar stand; Described control circuit comprises high-voltage D.C. generator that a power switch, a voltage regulator that is electrically connected with power switch, are electrically connected with the output terminal of voltage regulator respectively and servo-actuated DC voltage generator, an A/D converter, a CPU; Described high-voltage D.C. generator is located in the insulating stand under casing, and its output is electrically connected with metal ball body; The output terminal of described servo-actuated DC voltage generator is connected with A/D converter, and the output terminal of A/D converter is connected with the CPU input end, and the output terminal of CPU is connected with display screen.
Above-mentionedly a kind ofly be used to demonstrate and the device of the high-pressure electrostatic that undergoes, wherein, described device also comprises a voltage display unit, this voltage display unit by stand, be located at a plurality of voltage cue marks of stand front surface and be located at the corresponding a plurality of voltage displays that be arranged in parallel of stand front surface with each voltage cue mark; The input end of described each voltage display is electrically connected with the output terminal of CPU by D/A converter.
Above-mentionedly a kind ofly be used to demonstrate and the device of the high-pressure electrostatic that undergoes, wherein, described high voltage direct current source generator is made of high pressure silicon serializer circuit.
Above-mentionedly a kind ofly be used to demonstrate and the device of the high-pressure electrostatic that undergoes, wherein, described high pressure servo-actuated direct supply generator is made of the unidirectional multiplication of voltage loop that is connected with electric voltage regulator.
Above-mentionedly a kind ofly be used to demonstrate and the device of the high-pressure electrostatic that undergoes, wherein, described each voltage display is made of a plurality of neon light tubes of a plurality of relays controls.
Above-mentionedly a kind ofly be used to demonstrate and the device of the high-pressure electrostatic that undergoes, wherein, described device also comprises a circle safety barrier that is located at around the insulating stand.
Above-mentionedly a kind ofly be used to demonstrate and the device of the high-pressure electrostatic that undergoes, wherein, described device also comprises one at the discharging rod that is used for discharging the static on the metal ball body after the test.
Because the utility model has been taked above technical scheme, during operation, the person of receiving instruction or visitor stand on the insulation platform of insulating capacity up to 400,000 volts, hand is pressed on spherical shell, high-voltage D.C. generator in the under casing is sent to electric charge on the spherical shell by lead, utilize the characteristics of insulated conductor electrostatic equilibrium, CHARGE DISTRIBUTION is at the spherical shell outside surface, accumulation along with electric charge, the current potential of spherical shell raises gradually, the current potential of its current potential and spherical shell raises simultaneously, till 200,000 volts of mobile equilibrium, because hair has faint electric conductivity, a part of electric charge passes on the hair, hair can be holded up by the root root under the effect of electrostatic repulsion, make the person of receiving instruction and visitor experience the impression that is under the high potential state in person, thereby make everybody understand high voltage protection, the principle of high-voltage hot-line work, and can make the person of receiving instruction and visitor understand the phenomenon of equipotential and electrostatic repulsion, popularized high-pressure electrostatic knowledge
Description of drawings
Concrete structure of the present utility model is further provided by following embodiment and accompanying drawing thereof.
Fig. 1 is an one-piece construction synoptic diagram of the present utility model.
Fig. 2 is a control circuit block scheme of the present utility model.
Fig. 3 is the electrical schematic diagram of high-voltage D.C. generator of the present utility model.
Fig. 4 is the electrical schematic diagram of high pressure servo-actuated direct supply generator of the present utility model.
Fig. 5 is the synoptic diagram of the utility model demenstration method.
Fig. 6 is the utility model workflow synoptic diagram.
Embodiment
See also Fig. 1.A kind ofly be used to demonstrate and the device of the high-pressure electrostatic that undergoes, comprise an insulating stand 1, a control desk 2, a metal ball body 3 and a control circuit 4; Control desk 2 is provided with display screen 5.Insulating stand 1 adopts high performance high voltage insulating materials to constitute overhead more than 50 centimetres, acrylic organic glass insulating material for example, and the class of insulation is up to about more than 400,000 volts, to guarantee personal safety.Metal ball body 3 is located at the top of insulating stand 1 upper pillar stand 11.Present embodiment metal ball body 3 adopts stainless steel material to constitute, and diameter is 600mm, and smooth surface is attractive and durable; Display screen on the control desk 2 adopts the LED charactron of PM-1000 35 type digital panel meters to show the high tension voltage value in real time, and form is XXX KV.Also comprise display unit 6, described voltage display unit 6 by stand 61, be located at background board 62 between the stand, be located at a plurality of voltage cue marks 63 before the background board and be located at background board before the corresponding a plurality of voltage displays 64 that be arranged in parallel with each voltage cue mark constitute; Wherein, background board 62 adopts the medium-density plate material to constitute, and some metal devices that spray paint can be set to increase effect on it.Described each voltage display 64 is made of a plurality of neon light tubes of a plurality of relay controls, can show high pressure generator voltage in real time.For safety, the utility model device also comprises a circle safety barrier 7 that is located at around the insulating stand 1, the back up pad 71 of this crash barrier adopts wood materials to constitute in the present embodiment, railing 72 adopts the stainless steel metal material, wholely protect that to block diameter be 5000mm, other visitors can not meet experimenter on the insulating stand when guaranteeing to test.
See also Fig. 2.Control circuit 4 comprises a power switch 41, a voltage regulator that is electrically connected with power switch 42, a high-voltage D.C. generator 43 that is electrically connected with the output terminal of voltage regulator respectively and servo-actuated DC voltage generator 44, an A/D converter 45, a CPU46; Described high-voltage D.C. generator 43 is located in the under casing 12 of insulating stand 1, and its output is electrically connected with metal ball body 3; The output terminal of described servo-actuated DC voltage generator 44 is connected with A/D converter 45, the output terminal of A/D converter 45 is connected with the CPU46 input end, the output terminal of CPU46 is connected with display screen 5, and is connected with voltage display 64 by D/A converter 47, relay 48.
See also Fig. 3, Fig. 4, high voltage direct current source generator of the present utility model and high pressure servo-actuated direct supply generator are made of typical high pressure silicon serializer circuit and unidirectional multiplication of voltage loop respectively, repeat no more.This high voltage direct current source generator is located in the insulating stand under casing 12, output dc voltage 20KV ± 10%, and output DC stream≤3mA, this output is connected with metal ball body 3.
See also Fig. 5, the utility model is in when demonstration, and practitioner (person of undergoing) 8 stands on 500,000 volts the insulating stand, thoroughly insulate with the earth, hand is placed on the metal ball body, then by support personnel's control operation.
See also Fig. 6, workflow of the present utility model is: the practitioner stands on the insulating stand, and hand is placed on the metal ball body; Support personnel's energized switch 41, regulation voltage pressure regulator as requested, pressure regulator is exported given voltage; Lead up to high pressure silicon serializer circuit, low-voltage direct is become high-voltage DC power supply, and this high voltage direct current is crimped on the metal ball body spheroid, make on the metal ball body spheroid about 200,000 volts of static electricity gathered, when the current potential of human body and metal ball body are increased to 200,000 volts simultaneously, hair will be holded up; Another road produces the output of 0 ~ 10V servo-actuated DC voltage, produces one group of code through OMRON analog quantity load module and exports OMRON CPU to and carry out data processing, and export the result to each relay contact to control neon tube by I/O point, and neon tube shows in real time.
The utility model also comprises a discharging rod (not shown), and this discharging rod adopts epoxide resin material to make in the present embodiment, long 1000mm, and diameter 30mm is at the static that is used for after the test discharging on the metal ball body.
The related main knowledge point of the utility model is:
Equipotential: by the class of insulation is 400,000 volts insulating stand, and human body and the earth are thoroughly insulated, and when human body contacts with metal ball body, human body will be an equipotential with metal ball body like this, so human body just do not have electric current and pass through, and has guaranteed the security of human body.
Electrostatic repulsion: because the hair of human body has faint electric conductivity, when the current potential and the metal ball body of human body improved simultaneously, a part of charge-conduction was to hair, and hair just can be holded up by the root root under the effect of electrostatic repulsion.
Claims (7)
1, a kind ofly is used to demonstrate and the device of the high-pressure electrostatic that undergoes, it is characterized in that, comprising: an insulating stand, a control desk, a metal ball body and a control circuit; Described control desk is provided with display screen; Described metal ball body is located at the top of insulating stand upper pillar stand; Described control circuit comprises high-voltage D.C. generator that a power switch, a voltage regulator that is electrically connected with power switch, are electrically connected with the output terminal of voltage regulator respectively and servo-actuated DC voltage generator, an A/D converter, a CPU; Described high-voltage D.C. generator is located in the insulating stand under casing, and its output is electrically connected with metal ball body; The output terminal of described servo-actuated DC voltage generator is connected with A/D converter, and the output terminal of A/D converter is connected with the CPU input end, and the output terminal of CPU is connected with display screen.
2, according to claim 1ly a kind ofly be used to demonstrate and the device of the high-pressure electrostatic that undergoes, it is characterized in that, described device also comprises a voltage display unit, this voltage display unit by stand, be located at a plurality of voltage cue marks of stand front surface and be located at the corresponding a plurality of voltage displays that be arranged in parallel of stand front surface with each voltage cue mark; The input end of described each voltage display is electrically connected with the output terminal of CPU by behind the D/A converter.
3, according to claim 1ly a kind ofly be used to demonstrate and the device of the high-pressure electrostatic that undergoes, it is characterized in that described high voltage direct current source generator is made of high pressure silicon serializer circuit.
4, according to claim 1ly a kind ofly be used to demonstrate and the device of the high-pressure electrostatic that undergoes, it is characterized in that described high pressure servo-actuated direct supply generator is made of the unidirectional multiplication of voltage loop that is connected with electric voltage regulator.
5, according to claim 1ly a kind ofly be used to demonstrate and the device of the high-pressure electrostatic that undergoes, it is characterized in that described each voltage display is made of a plurality of neon light tubes of a plurality of relays controls.
6, according to claim 1ly a kind ofly be used to demonstrate and the device of the high-pressure electrostatic that undergoes, it is characterized in that, described device also comprises a circle safety barrier that is located at around the insulating stand.
7, according to claim 1ly a kind ofly be used to demonstrate and the device of the high-pressure electrostatic that undergoes, it is characterized in that described device also comprises one at the discharging rod that is used for discharging the static on the metal ball body after the test.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNU032308159U CN2618239Y (en) | 2003-04-30 | 2003-04-30 | Instrument for demonstrating and having experiment of high voltage electrostatic personally |
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CNU032308159U CN2618239Y (en) | 2003-04-30 | 2003-04-30 | Instrument for demonstrating and having experiment of high voltage electrostatic personally |
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CNU032308159U Expired - Fee Related CN2618239Y (en) | 2003-04-30 | 2003-04-30 | Instrument for demonstrating and having experiment of high voltage electrostatic personally |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101256723B (en) * | 2007-07-02 | 2011-04-13 | 赵绍兴 | Simulation demonstrating apparatus of electric field line |
CN103578340A (en) * | 2012-07-18 | 2014-02-12 | 上海宝钢工业技术服务有限公司 | High voltage electric safety body feeling testing device |
CN104537934A (en) * | 2014-11-07 | 2015-04-22 | 国家电网公司 | High-voltage discharge demonstration system and method |
US11133756B2 (en) | 2019-03-26 | 2021-09-28 | King Fahd University Of Petroleum And Minerals | Static electrostatic generator for high voltage low power applications |
-
2003
- 2003-04-30 CN CNU032308159U patent/CN2618239Y/en not_active Expired - Fee Related
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101256723B (en) * | 2007-07-02 | 2011-04-13 | 赵绍兴 | Simulation demonstrating apparatus of electric field line |
CN103578340A (en) * | 2012-07-18 | 2014-02-12 | 上海宝钢工业技术服务有限公司 | High voltage electric safety body feeling testing device |
CN103578340B (en) * | 2012-07-18 | 2017-07-18 | 上海宝钢工业技术服务有限公司 | The safe body-sensing experimental rig of high-voltage electrical apparatus |
CN104537934A (en) * | 2014-11-07 | 2015-04-22 | 国家电网公司 | High-voltage discharge demonstration system and method |
US11133756B2 (en) | 2019-03-26 | 2021-09-28 | King Fahd University Of Petroleum And Minerals | Static electrostatic generator for high voltage low power applications |
US11496069B2 (en) | 2019-03-26 | 2022-11-08 | King Fahd University Of Petroleum And Minerals | Electrostatic generator having metallic patterned surface |
US11563387B2 (en) | 2019-03-26 | 2023-01-24 | King Fahd University Of Petroleum And Minerals | Air ionizer for air purification |
US11575333B2 (en) | 2019-03-26 | 2023-02-07 | King Fahd University Of Petroleum And Minerals | Electrostatic generator with patterned metal sphere |
US11581824B2 (en) | 2019-03-26 | 2023-02-14 | King Fahd University Of Petroleum And Minerals | Concentric wire and tube electrostatic generator |
US11588415B2 (en) | 2019-03-26 | 2023-02-21 | King Fahd University Of Petroleum And Minerals | Copper block-patterned spherical static electrostatic generator |
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