CN203301379U - Ultra low frequency high-voltage generator - Google Patents

Ultra low frequency high-voltage generator Download PDF

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Publication number
CN203301379U
CN203301379U CN2013202928044U CN201320292804U CN203301379U CN 203301379 U CN203301379 U CN 203301379U CN 2013202928044 U CN2013202928044 U CN 2013202928044U CN 201320292804 U CN201320292804 U CN 201320292804U CN 203301379 U CN203301379 U CN 203301379U
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China
Prior art keywords
module
amplitude
low frequency
frequency high
signal
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Expired - Fee Related
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CN2013202928044U
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Chinese (zh)
Inventor
毕青春
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YANGZHOU HUANDIAN ELECTRIC Co Ltd
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YANGZHOU HUANDIAN ELECTRIC Co Ltd
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Abstract

The utility model discloses an ultra low frequency high-voltage generator. A photoelectric isolation module receives a control signal from a single-chip microcomputer module and transmits the control signal. A power controllable silicon module modulates the voltage (220V/50Hz) into an amplitude-modulated wave with carrier of 50Hz and envelope of 0.1Hz, a booster transformer converts the amplitude-modulated wave with carrier of 50Hz and envelope of 0.1Hz into a high-voltage amplitude-modulated wave, a sampling module demodulates the high-voltage amplitude-modulated wave into an ultra low frequency high-voltage signal of 0.1Hz, the ultra low frequency high-voltage signal of 0.1Hz is subjected to filtering, amplitude converting and analog-to-digital converting by a feedback module to generate a feedback signal, an auxiliary function module receives a control signal generated by the single-chip microcomputer module according to the feedback signal, and finally the displaying, printing and data storing are accomplished. The ultra low frequency high-voltage generator effectively solves the defects of the existing high-voltage generator that complicated manufacture process, poor reliability, not flexible control and large size, and has features of low production cost and high use reliability.

Description

A kind of ultra-low frequency high-pressure generator
Technical field
The utility model belongs to electric and electronic technical field, relates in particular to a kind of ultra-low frequency high-pressure generator.
Background technology
The mechanical type ultra-low frequency high-pressure generator that prior art provides, to adopt a rotation voltage regulator to carry out amplitude adjustment control to the power-frequency voltage of 50Hz, make it to produce the amplitude-modulated signal take 0.1Hz as envelope, by step-up transformer, boost again, then in high-pressure side, with diode and high-voltage switch gear, be demodulated into the ultra-low frequency high-pressure of 0.1Hz.
Manufacturing process complexity, the poor reliability of the mechanical type ultra-low frequency high-pressure generator that prior art provides, control is dumb, volume is large, heavy.
The utility model content
The purpose of this utility model is to provide a kind of ultra-low frequency high-pressure generator, and the manufacturing process that is intended to solve the mechanical type ultra-low frequency high-pressure generator that prior art provides is complicated, be difficult for batch production, poor reliability, control is dumb, volume is large, heavy problem.
The utility model is achieved in that a kind of ultra-low frequency high-pressure generator, and this ultra-low frequency high-pressure generator comprises:
For instruction and the signal according to receiving, generate control signal, and the one-chip computer module that the control signal that generates is exported;
With described one-chip computer module, be connected, be used to receiving the control signal of described one-chip computer module output, and the photoelectric isolation module that the control signal that receives is transmitted;
With described photoelectric isolation module, be connected, for receiving the control signal of described photoelectric isolation module output, for the voltage modulated of 50Hz, 220V is become to carrier wave is that 50Hz, envelope are the amplitude-modulated wave of 0.1Hz, and be that 50Hz, envelope are the power silicon controlled module that the amplitude-modulated wave of 0.1Hz is exported to carrier wave;
With described power silicon controlled module, being connected, is that 50Hz, envelope are the amplitude-modulated wave of 0.1Hz be used to the carrier wave that receives the output of described power silicon controlled module, by carrier wave, is that 50Hz, envelope are the step-up transformer that the amplitude-modulated wave of 0.1Hz is converted to the amplitude-modulated wave of high pressure;
With described step-up transformer, be connected, for the amplitude-modulated wave of the high pressure by described step-up transformer output, be demodulated to the sampling module of the ultra-low frequency high-pressure signal of 0.1Hz;
Input is connected with described sampling module, output is connected with described one-chip computer module, ultra-low frequency high-pressure signal filtering for the 0.1Hz that receives the output of described sampling module, ultra-low frequency high-pressure signal to the 0.1Hz that receives carries out filtering, amplitude conversion and analog-to-digital conversion, generate feedback signal, and the feedback signal that generates is exported to the feedback module of described one-chip computer module;
With described one-chip computer module, be connected, be used to receiving described one-chip computer module according to the control signal that feedback signal generates, complete the miscellaneous function module of demonstration, printing, data storage function.
Further, described power silicon controlled module is comprised of two antiparallel high-power silicon controlled rectifiers.
Further, described sampling module is that a Zinc-oxide piezoresistor connects the parallel branch ground connection that consists of two Zinc-oxide piezoresistors and electric capacity, then is connected in series a Zinc-oxide piezoresistor formation.
Further, described feedback module is by filter circuit, and amplitude change-over circuit and analog to digital converter connect and compose.
the ultra-low frequency high-pressure generator that the utility model provides, one-chip computer module generates control signal according to the instruction that receives and signal, photoelectric isolation module receives the control signal of one-chip computer module output, and the control signal that receives is transmitted, the power silicon controlled module is by 50Hz, it is 50Hz that the voltage modulated of 220V becomes carrier wave, envelope is the amplitude-modulated wave of 0.1Hz, step-up transformer is 50Hz by carrier wave, envelope is the amplitude-modulated wave that the amplitude-modulated wave of 0.1Hz is converted to high pressure, sampling module is demodulated to the amplitude-modulated wave of the high pressure of step-up transformer output the ultra-low frequency high-pressure signal of 0.1Hz, the feedback module is carried out filtering to the ultra-low frequency high-pressure signal of the 0.1Hz of reception, amplitude conversion and analog-to-digital conversion, generate feedback signal, the miscellaneous function module receives the control signal that one-chip computer module generates according to feedback signal, complete demonstration, print, data storage function, the utility model has solved existing high pressure generator manufacturing process complexity, poor reliability, control is dumb, volume is heavy shortcoming effectively, and production cost is low, and dependability is high, has stronger propagation and employment and is worth.
The accompanying drawing explanation
Fig. 1 is the structured flowchart of the ultra-low frequency high-pressure generator that provides of the utility model embodiment.
In figure: 11, one-chip computer module; 12, photoelectric isolation module; 13, power silicon controlled module; 14, step-up transformer; 15, sampling module; 16, feedback module; 17, miscellaneous function module.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Fig. 1 shows the structure of the ultra-low frequency high-pressure generator that the utility model embodiment provides.For convenience of explanation, only show the part relevant to the utility model embodiment.
This ultra-low frequency high-pressure generator comprises:
For instruction and the signal according to receiving, generate control signal, and the one-chip computer module 11 that the control signal that generates is exported;
With one-chip computer module 11, be connected, be used to receiving the control signal of one-chip computer module 11 output, and the photoelectric isolation module 12 that the control signal that receives is transmitted;
With photoelectric isolation module 12, be connected, for receiving the control signal of photoelectric isolation module 12 outputs, for the voltage modulated of 50Hz, 220V is become to carrier wave is that 50Hz, envelope are the amplitude-modulated wave of 0.1Hz, and be that 50Hz, envelope are the power silicon controlled module 13 that the amplitude-modulated wave of 0.1Hz is exported to carrier wave;
With power silicon controlled module 13, being connected, is that 50Hz, envelope are the amplitude-modulated wave of 0.1Hz for the carrier wave of received power silicon controlled module 13 output, by carrier wave, is that 50Hz, envelope are the step-up transformer 14 that the amplitude-modulated wave of 0.1Hz is converted to the amplitude-modulated wave of high pressure;
With step-up transformer 14, be connected, for the amplitude-modulated wave of the high pressure by step-up transformer 14 outputs, be demodulated to the sampling module 15 of the ultra-low frequency high-pressure signal of 0.1Hz;
Input is connected with sampling module 15, output is connected with one-chip computer module 11, ultra-low frequency high-pressure signal filtering for the 0.1Hz that receives sampling module 15 output, ultra-low frequency high-pressure signal to the 0.1Hz that receives carries out filtering, amplitude conversion and analog-to-digital conversion, generate feedback signal, and the feedback signal that generates is exported to the feedback module 16 of one-chip computer module 11;
With one-chip computer module 11, be connected, be used to receiving one-chip computer module 11 according to the control signal that feedback signal generates, complete the miscellaneous function module 17 of demonstration, printing, data storage function.
As shown in Figure 2, in the utility model embodiment, power silicon controlled module 13 is comprised of two antiparallel high-power silicon controlled rectifiers.
As shown in Figure 3, in the utility model embodiment, sampling module 15 is that a Zinc-oxide piezoresistor connects the parallel branch ground connection that consists of two Zinc-oxide piezoresistors and electric capacity, then is connected in series a Zinc-oxide piezoresistor formation.
As shown in Figure 4, in the utility model embodiment, feedback module 16 is by filter circuit, and amplitude change-over circuit and analog to digital converter connect and compose.
Below in conjunction with drawings and the specific embodiments, application principle of the present utility model is further described.
As shown in Figure 1, ultra-low frequency high-pressure generator provided by the invention comprises: one-chip computer module 11, photoelectric isolation module 12, power silicon controlled module 13, step-up transformer 14, sampling module 15, feedback module 16, miscellaneous function module 17;
One-chip computer module 11 is carried out instruction and the signal that receives, and by low-voltage regulated power supply, powers, and produces a series of data controlling signal, by photoelectric isolation module 12 power ratio control silicon controlled module 13 work;
Photoelectric isolation module 12 connects power silicon controlled module 13, transmits the control signal of one-chip computer module 11,13 work of power ratio control silicon controlled module;
Power silicon controlled module 13 is comprised of two antiparallel high-power silicon controlled rectifiers, by the power supply of 50Hz, 220V, connects the low-pressure side of step-up transformer 14;
The low-pressure side of step-up transformer 14 connects power supply and the power silicon controlled module 13 of 50Hz, 220V, and high-pressure side connects sampling module 15;
Sampling module 15 comprises Zinc-oxide piezoresistor and electric capacity, circuit is connected the parallel branch ground connection that consists of two Zinc-oxide piezoresistors and electric capacity by a Zinc-oxide piezoresistor, being connected in series a Zinc-oxide piezoresistor forms again, be responsible for demodulating the ultra-low frequency high-pressure signal of 0.1Hz, and realize voltage and current sample and pass to feedback module 16;
Feedback module 16 connects sampling modules 15, and feedback module 16 comprises: filter circuit, amplitude change-over circuit and analog to digital converter are into be used to changing sampled voltage and sample rate current the signal that one-chip computer module 11 can identifying processings;
One-chip computer module 11 receives and processes the signal that 16 conversions of feedback module come, and generates command adapted thereto to miscellaneous function module 17;
Miscellaneous function module 17 connects one-chip computer module 11, for to subscriber equipment, carrying instruction and complete demonstration, printing, data storage function.
operation principle: one-chip computer module 11 is powered by low-voltage regulated power supply, carry out the instruction set control signal that receives, produce a series of data controlling signal, by photoelectric isolation module 12, transmit data controlling signal, 13 work of power ratio control silicon controlled module, power silicon controlled module 13 is by 50Hz, it is 50Hz that the voltage modulated of 220V becomes carrier wave, envelope is the amplitude-modulated wave of 0.1Hz, then through step-up transformer 14, boost, make it to become the amplitude-modulated wave of high pressure, by a series of Zinc-oxide piezoresistors in sampling module 15, be demodulated to again the ultra-low frequency high-pressure signal of 0.1Hz, sampling is by 16 filtering of feedback module, the amplitude conversion, after analog-to-digital conversion, generate signal to one-chip computer module 11, by one-chip computer module 11, control miscellaneous function module 17 and realize follow-up demonstration, print, the functions such as data storage.
The present invention is by adopting digital and electronic amplitude modulation technology and high-pressure electronic demodulation techniques, make ultra-low frequency high-pressure generator electronization fully, without any mechanical part, effectively solved existing high pressure generator manufacturing process complexity, poor reliability, control dumb, the shortcomings such as heaviness, through practical application, production cost has saved 2/3rds than existing product, the volume of equipment, weight only have original half, have strengthened the reliability of using.
the ultra-low frequency high-pressure generator that the utility model embodiment provides, one-chip computer module 11 generates control signal according to the instruction that receives and signal, photoelectric isolation module 12 receives the control signal of one-chip computer module 11 outputs, and the control signal that receives is transmitted, power silicon controlled module 13 is by 50Hz, it is 50Hz that the voltage modulated of 220V becomes carrier wave, envelope is the amplitude-modulated wave of 0.1Hz, step-up transformer 14 is 50Hz by carrier wave, envelope is the amplitude-modulated wave that the amplitude-modulated wave of 0.1Hz is converted to high pressure, sampling module 15 is demodulated to the amplitude-modulated wave of the high pressure of step-up transformer 14 outputs the ultra-low frequency high-pressure signal of 0.1Hz, the ultra-low frequency high-pressure signal of the 0.1Hz of 16 pairs of receptions of feedback module carries out filtering, amplitude conversion and analog-to-digital conversion, generate feedback signal, miscellaneous function module 17 receives the control signal that one-chip computer module 11 generates according to feedback signal, complete demonstration, print, data storage function, the utility model has solved existing high pressure generator manufacturing process complexity, poor reliability, control is dumb, volume is heavy shortcoming effectively, and production cost is low, and dependability is high, has stronger propagation and employment and is worth.
These are only preferred embodiment of the present utility model, not in order to limit the utility model, all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection range of the present utility model.

Claims (4)

1. a ultra-low frequency high-pressure generator, is characterized in that, this ultra-low frequency high-pressure generator comprises:
For instruction and the signal according to receiving, generate control signal, and the one-chip computer module that the control signal that generates is exported;
With described one-chip computer module, be connected, be used to receiving the control signal of described one-chip computer module output, and the photoelectric isolation module that the control signal that receives is transmitted;
With described photoelectric isolation module, be connected, for receiving the control signal of described photoelectric isolation module output, for the voltage modulated of 50Hz, 220V is become to carrier wave is that 50Hz, envelope are the amplitude-modulated wave of 0.1Hz, and be that 50Hz, envelope are the power silicon controlled module that the amplitude-modulated wave of 0.1Hz is exported to carrier wave;
With described power silicon controlled module, being connected, is that 50Hz, envelope are the amplitude-modulated wave of 0.1Hz be used to the carrier wave that receives the output of described power silicon controlled module, by carrier wave, is that 50Hz, envelope are the step-up transformer that the amplitude-modulated wave of 0.1Hz is converted to the amplitude-modulated wave of high pressure;
With described step-up transformer, be connected, for the amplitude-modulated wave of the high pressure by described step-up transformer output, be demodulated to the sampling module of the ultra-low frequency high-pressure signal of 0.1Hz;
Input is connected with described sampling module, output is connected with described one-chip computer module, ultra-low frequency high-pressure signal filtering for the 0.1Hz that receives the output of described sampling module, ultra-low frequency high-pressure signal to the 0.1Hz that receives carries out filtering, amplitude conversion and analog-to-digital conversion, generate feedback signal, and the feedback signal that generates is exported to the feedback module of described one-chip computer module;
With described one-chip computer module, be connected, be used to receiving described one-chip computer module according to the control signal that feedback signal generates, complete the miscellaneous function module of demonstration, printing, data storage function.
2. ultra-low frequency high-pressure generator as claimed in claim 1, is characterized in that, described power silicon controlled module is comprised of two antiparallel high-power silicon controlled rectifiers.
3. ultra-low frequency high-pressure generator as claimed in claim 1, is characterized in that, described sampling module is that a Zinc-oxide piezoresistor connects the parallel branch ground connection that consists of two Zinc-oxide piezoresistors and electric capacity, then be connected in series a Zinc-oxide piezoresistor formation.
4. ultra-low frequency high-pressure generator as claimed in claim 1, is characterized in that, described feedback module is by filter circuit, and amplitude change-over circuit and analog to digital converter connect and compose.
CN2013202928044U 2013-05-16 2013-05-16 Ultra low frequency high-voltage generator Expired - Fee Related CN203301379U (en)

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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107425837A (en) * 2017-07-27 2017-12-01 北京航空航天大学 A kind of high_voltage isolation type MOSFET drive circuits
CN107632189A (en) * 2017-09-20 2018-01-26 国家电网公司 Subscribers' line checking device
CN109142819A (en) * 2018-08-24 2019-01-04 湖北仪天成电力设备有限公司 A kind of ultra-low frequency high-pressure generator

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107425837A (en) * 2017-07-27 2017-12-01 北京航空航天大学 A kind of high_voltage isolation type MOSFET drive circuits
CN107632189A (en) * 2017-09-20 2018-01-26 国家电网公司 Subscribers' line checking device
CN107632189B (en) * 2017-09-20 2023-07-14 国家电网公司 Subscriber line checking device
CN109142819A (en) * 2018-08-24 2019-01-04 湖北仪天成电力设备有限公司 A kind of ultra-low frequency high-pressure generator
CN109142819B (en) * 2018-08-24 2020-12-11 湖北仪天成电力设备有限公司 Ultralow frequency high voltage generator

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Assignee: Yangzhou Suzhong Power Equipment Co., Ltd.

Assignor: Yangzhou HuanDian Electric Co., Ltd.

Contract record no.: 2014320000471

Denomination of utility model: Ultra-low frequency high-pressure generator

Granted publication date: 20131120

License type: Exclusive License

Record date: 20140530

LICC Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20131120

Termination date: 20190516

CF01 Termination of patent right due to non-payment of annual fee