FPGA (field programmable gate array) control-based all-solid-state high-voltage nanosecond pulse generator

A high-voltage nanosecond square wave and pulse generator technology, which is applied in biochemical instruments, stress-stimulated microbial growth methods, biochemical equipment and methods, etc., can solve the problem of accurate display and adjustment of pulse parameters and real-time adjustment of unfavorable pulse parameters. , low output pulse repetition frequency, etc., to achieve the effect of ensuring insulation, avoiding electromagnetic interference, and compact structure

Active Publication Date: 2012-05-09
REMEDICINE CO LTD
View PDF3 Cites 38 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The main disadvantages of this device are: a spark gas switch is used as the main switch, and the maintenance and replacement costs are high, which limits the service life of the device; the output pulse repetition frequency is low, which is not conducive to the selection of nanosecond pulse electric field electro-treatment effect window parameters in tumor cells ;The output pulse pulse width adjustment needs to increase or decrease the network module manually, it is difficult to realize the accurate display and adjustment of the pulse parameters, which is not conducive to the real-time adjustment of the pulse parameters; it needs a high-precision load resistance to match it to output a square wave pulse , which limits the use of the device

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • FPGA (field programmable gate array) control-based all-solid-state high-voltage nanosecond pulse generator
  • FPGA (field programmable gate array) control-based all-solid-state high-voltage nanosecond pulse generator
  • FPGA (field programmable gate array) control-based all-solid-state high-voltage nanosecond pulse generator

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Such as Figure 1~2 As shown, an all-solid-state high-voltage nanosecond square wave pulse generator based on FPGA control mainly includes a power supply system 1, a pulse forming system 2, a pulse measurement system 3, an FPGA control system 4, a signal conversion system 5 and a portable computer 6.

[0027] The power supply system 1 includes a power supply, an isolation transformer (both voltage and frequency conversion ratios are 1:1), a high-voltage DC module, a switching power supply T1, a switching power supply T2, and a DC-DC module. The power supply is 220V mains, connected to the primary side of the isolation transformer through wires, and the secondary side of the isolation transformer is connected to the input end of the high-voltage DC module through wires to provide AC power for the high-voltage DC module. The high-voltage direct current module is a commercially available module that outputs direct current with a maximum voltage amplitude of 2000V and a m...

Embodiment 2

[0034] An all-solid-state high-voltage nanosecond square-wave pulse generator based on FPGA control is the same as in Embodiment 1, wherein the Max circuit 7 of the pulse forming system 2 is composed of 4 voltage units 8 with bypass diodes connected in series on the motherboard.

Embodiment 3

[0036] An all-solid-state high-voltage nanosecond square wave pulse generator based on FPGA control is the same as in Embodiment 1, wherein the Max circuit 7 of the pulse forming system 2 is composed of 10 voltage units 8 with bypass diodes connected in series on the motherboard.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention provides an FPGA (field programmable gate array) control-based all-solid-state high-voltage nanosecond pulse generator, and belongs to the field of bio-electromagnetic technology. The nanosecond pulse generator mainly comprises a power supply system, a pulse forming system, a pulse measurement system, an FPGA control system, a signal conversion system and a portable computer. In the generator, the output pulse amplitude is between 0 and 10kV, the pulse width is between 200 and 1000ns, the pulse frequency is between 1 and 1000Hz, the falling edge is between 30 and 40ns, the number of pulse is between 1 and 1000, and particular parameters are determined according the requirement of tumor treatment. The FPGA control-based all-solid-state high-voltage nanosecond pulse generator has the characteristics of intelligent regulation of pulse parameters (pulse amplitude, width, frequency and number), optical fiber transmission, high parameter accuracy, long service life, small size, low failure rate, good security and the like; and the generator outputs high pulse frequency, and is advantageous to quick searching of the optimal window parameters for inducing tumor cell apoptosis by virtue of intelligent regulation, so that the tumor treatment effect is improved. The FPGA control-based all-solid-state high-voltage nanosecond pulse generator can be widely applied to tumor treatment.

Description

technical field [0001] The invention belongs to the field of bioelectromagnetic technology, in particular to an all-solid-state high-voltage nanosecond square-wave pulse generator based on Field Programmable Gate Array (FPGA) control. Background technique [0002] At present, nanosecond pulse power technology is being more and more widely used in research fields such as high-tech research, high-tech and civil industry, mainly in oil exploration, accelerators, excimer lasers, particle beams, electron beams and medical technology Applied research in other fields. As far as the biomedical field in the civilian field is concerned, the influence of nanosecond pulsed electric fields on cell structure and function and its therapeutic effect on organisms have become research hotspots in the field of bioelectromagnetic technology. Studies have shown that when the pulse width is reduced to the nanosecond (ns) level and the electric field strength is increased to 10kV / cm and above, th...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Applications(China)
IPC IPC(8): A61N1/32C12M1/42
CPCC12M41/48C12M35/02
Inventor 姚陈果章锡明李成祥米彦郭飞董守龙孙才新
Owner REMEDICINE CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap