Multifunctional electromagnetic pulse experiment instrument

An electromagnetic pulse and experimental instrument technology, applied in the direction of instruments, educational tools, teaching models, etc., can solve the high performance requirements of high-voltage power supply, limit the experimental content or the expansion of experimental items, and the DC high voltage can not be large Amplitude adjustment and other issues to achieve the effect of reducing power consumption, convenient adjustment, and good effect

Inactive Publication Date: 2009-02-04
DEZHOU UNIV
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Problems solved by technology

Known high-voltage electrostatic experiment device has following some defectives: 1, function is single and can only do the experiment of static static phenomenon; There are high requirements for the power output part of the high-voltage power supply and the performance of the regulated power supply; 3. The output DC high voltage cannot be greatly adjusted, which limits the expansion of the experimental content or experimental items; 4. When doing experiments, use the earth As the ground wire, it is neither safe nor convenient
Biophysics is a subject with great development prospects. One of its important research fields is to use electric or magnetic physical quantities to act on biological tissues or organisms to study their production increase, epidemic prevention, disease treatment, high-quality improvement of breeding, etc. Aspect data, this just needs a kind of electromagnetic pulse experimental instrument, but there is no known such experimental instrument at present

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  • Multifunctional electromagnetic pulse experiment instrument
  • Multifunctional electromagnetic pulse experiment instrument
  • Multifunctional electromagnetic pulse experiment instrument

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Embodiment Construction

[0013] In Figure 1, the 220V AC mains is connected to the input terminal U1, and then sent to the power transformer B1 through the power switch K1 for step-down, the voltage U2 output from the output terminal of the secondary coil is 19V and sent to the first-stage DC voltage regulator power supply. The first-stage DC regulated power supply is first rectified into DC by a bridge rectifier composed of four rectifier diodes D1, D2, D3, and D4, and then sent to a series connection composed of peripheral components such as compound adjusting transistors T1, T2 and sampling amplifying transistor T3. Voltage stabilizer circuit, the final stabilized voltage output is about 12-15 volts, and is directly supplied to the pulse frequency controller, the high-voltage oscillation circuit and the second-stage adjustable DC stabilized power supply. The second-stage adjustable DC stabilized power supply is composed of peripheral components such as compound adjusting transistors T5, T4 and samp...

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Abstract

The invention provides a multifunctional electromagnetic pulse experiment instrument which comprises a wide-range adjustable DC power supply composed of two regulated power supplies; the experiment instrument also comprises a multi-frequency direct-reading and ultra-low frequency adjustable pulse frequency controller, a high voltage generator demodulated by the pulse frequency controller, a high voltage ammeter, a movable experimental component and a pulse switch signal output socket; an experiment platform with a high-voltage discharge prevention shell is constructed on the top part of the experiment instrument; the movable experiment component and an adjustable electromagnet are mounted on the platform. The multifunctional electromagnetic pulse experiment instrument not only can output the stable high-voltage direct current, but also can output the pulse high-voltage electricity with adjustable frequency and pulse width, and output the pulse magnetic field or provide independent pulse switch signals for various electromagnets. The multifunctional electromagnetic pulse experiment instrument can be adopted for conducting a plurality of high-voltage static experiments and the experiments in biological, physical and medical fields efficiently and conveniently. The invention provides an electromagnetic pulse experiment instrument which has the advantages of complete functions, convenient application, low cost and practicality for the college teaching and research.

Description

technical field [0001] The invention relates to an electromagnetic experiment instrument, in particular to a multifunctional electromagnetic pulse experiment instrument. Background technique [0002] In the process of college physics teaching, some high-voltage electrostatic experiments are usually done to deepen students' understanding and memory of the theory. The well-known high-voltage electrostatic experimental device usually consists of a high-voltage generator, which converts the 220-volt AC mains into a constant high-voltage direct current of tens of thousands of volts, and then leads out the high-voltage direct current, and then cooperates with some accessories outside the high-voltage electrostatic generator. The experiment of high voltage static electricity is carried out in place. For example, a Chinese patent (Patent No. 03243505.3, Authorized Announcement No. CN2619407Y) titled "A Small Electrostatic High-voltage Power Supply and Testing Device" by Liaoning Un...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09B23/18
Inventor 赵杰王吉华
Owner DEZHOU UNIV
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