CN109149972A - A kind of Intelligent DC High Voltage Generator - Google Patents
A kind of Intelligent DC High Voltage Generator Download PDFInfo
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- CN109149972A CN109149972A CN201811143511.3A CN201811143511A CN109149972A CN 109149972 A CN109149972 A CN 109149972A CN 201811143511 A CN201811143511 A CN 201811143511A CN 109149972 A CN109149972 A CN 109149972A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/21—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/217—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
- H02M5/40—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc
- H02M5/42—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters
- H02M5/44—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac
- H02M5/453—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal
- H02M5/458—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Rectifiers (AREA)
Abstract
A kind of Intelligent DC High Voltage Generator, the conducting dutycycle of IGBT or field-effect tube G1, G2 is controlled by microprocessor, by the voltage regulation filtering power output adjustment module for being equipped with diode D5, reactor L1 and capacitor C1, unstable alternating current is converted to the direct current stablized and be continuously adjusted, the DC voltage is sent to the bridge type inverse module equipped with field-effect tube G3, G4, G5 and G6 again, through equipped with high-tension transformer T2 and reactor L2 high pressure voltage changing module, equipped with the voltage doubling rectifier module of diode after obtain high direct voltage.Equipment can control equipment output by PC control software, high-pressure side output current value and low-pressure side output current value can be shown simultaneously have function, automatic boosting, manual voltage boosting, data-printing preservation, remote-wireless or the optical fiber transferring high voltage current value of automatic test Zinc-Oxide Arrester DC parameter by the present invention.
Description
Technical field
The present invention relates to high direct voltage test and detection technique fields, and in particular to a kind of Intelligent DC High Voltage Generator.
Background technique
Currently, domestic substation, the widely used high voltage direct current generator of Electric Power Research Institute, generally use manual control
Molding formula, reverse frequency is low, and equipment volume is big, after the side current measurement of high voltage direct current generator High voltage output, due to high pressure microampere
Table does not have data transport functions, and along with the limitation of safe distance, user of service can only check high pressure in several meters of remote places
Side electric current, voltage is too high just not to see Chu at all afterwards, it is necessary to could be it is clear that making troubles to live use by telescope.
Most of high voltage direct current generator does not have the function of automatic boosting, and Field Force is needed to manually adjust control output
Voltage, when doing the test of Zinc-Oxide Arrester DC break down voltage, test leakage current values fluctuation is bigger, same after replacement personnel
The value of arrester test is not really identical.Since many high voltage direct current generators do not have printing function, rear user of service is finished in test
Pressure test test report can not be provided, incorrect posting, error of omission, few note are easy when oneself can only record, while do multiple pressure tests
Record etc..
High voltage direct current output high-pressure side measurement current value and high voltage direct current output low-pressure side measurement current value can not be shown simultaneously
Show on control flow LCD, many high voltage direct current generator test results can not save, can not by upper computer software (computer) come
Far distance control high voltage direct current generator, use, especially electric power when scene can not accomplish to have barrier to block sight when using
Research institute is when doing pressure resistance to DC transmission system test product, since voltage is generally above 500kV or more, it is desirable that Ren Yuan
High voltage direct current generator is controlled in the room of one safety, distance is remote, and security requirement is high, and conventional DC high pressure generator is basic
It is unable to satisfy above-mentioned test requirements document.
Summary of the invention
The embodiment of the present invention is designed to provide a kind of Intelligent DC High Voltage Generator, and being able to solve the prior art can not
It is remote to read high voltage microammeter electric current, save and check historical data, can not printing test data, can not automatic boosting drop
Pressure, can not automatic measurement Zinc-Oxide Arrester (MOA) leakage current and 1mA reference voltage, can not accurately measure direct current output
Electric current, can not remote safe transmission high-tension current, high voltage microammeter and control host can not communicate, user can not preset over-voltage
Electric voltage over press electric current can not control Intelligent DC High Voltage Generator by computer, can not control intelligence by upper computer software
High voltage direct current generator completes the problems such as normal function.
To achieve the above object, the embodiment of the present invention provides a kind of Intelligent DC High Voltage Generator, the high direct voltage hair
Raw device includes rectification filtering module, voltage sampling module, PID control parameter module, voltage regulation filtering power output adjusting mould
Block, bridge type inverse module, first voltage current sampling module, high pressure voltage changing module, second voltage current sampling module, times repoussage
Filter module, external high pressure current sampling module, analog-to-digital conversion module, D/A converter module and central processing unit are flowed, it is described
The output end of rectification filtering module is connect with the input terminal of the voltage regulation filtering power output adjustment module, rectification filtering module
Output end is also connect with the input terminal of the voltage sampling module；The output end and the proportional integration of the voltage sampling module
The input terminal of differential control module connects；The output end of the PID control parameter module and the voltage regulation filtering power are defeated
The input terminal connection of adjustment module out；The output end of the voltage regulation filtering power output adjustment module and the bridge type inverse module
Input terminal connection；The output end of the bridge type inverse module is connect with the input terminal of the first voltage current sampling module,
The output end of bridge type inverse module is also connect with the input terminal of the high pressure voltage changing module；The output end of the high pressure voltage changing module
It is connect with the input terminal of the voltage multiplying rectifier filter module, the output end of high pressure voltage changing module also takes with the second voltage electric current
The input terminal of egf block connects；The output end of the voltage multiplying rectifier filter module is defeated with the external high pressure current sampling module
Enter end connection, the output end of voltage multiplying rectifier filter module is also connect with the input terminal of the second voltage current sampling module；Institute
The output end for stating second voltage current sampling module is connect with the input terminal of the PID control parameter module, second voltage
The output end of current sampling module is also connect with the central processing unit；The input terminal of the analog-to-digital conversion module and described the
The output end of two voltage and current sampling modules connects, and the output end of analog-to-digital conversion module is connect with the central processing unit；Institute
The output end for stating D/A converter module is connect with the input terminal of the PID control parameter module, D/A converter module it is defeated
Enter end to connect with the central processing unit.
As the preferred embodiment of Intelligent DC High Voltage Generator, it is defeated that the input terminal of the rectification filtering module is connected with power supply
Enter module, the output end of the external high pressure current sampling module is connected with output module.
As the preferred embodiment of Intelligent DC High Voltage Generator, the high voltage direct current generator further includes protection circuit mould
The input terminal of block, the protection circuit module is micro- with the output end of the first voltage current sampling module and proportional integration respectively
Divide the output end connection of control module, the output end of the protection circuit module is connect with the central processing unit.
As the preferred embodiment of Intelligent DC High Voltage Generator, the high voltage direct current generator further includes wireless transmission mould
Block, the input terminal of the wireless transport module are connect with the output end of the external high pressure current sampling module, the wireless biography
The output end of defeated module is connect with the central processing unit.
As the preferred embodiment of Intelligent DC High Voltage Generator, the external high pressure current sampling module and wireless transmission mould
Block is enclosed in the box body of metal material.
As the preferred embodiment of Intelligent DC High Voltage Generator, the high voltage direct current generator further includes voltage control mould
Block, the voltage control module are connect with the central processing unit, and voltage control module uses digital rotary encoder, voltage
Control module sends out the high direct voltage by the way of moving cursor, manually controlling high direct voltage output, preset user data
Raw device completes voltage control.
As the preferred embodiment of Intelligent DC High Voltage Generator, the high voltage direct current generator further includes parameter configuration mould
Block, display module and print module；The parameter configuration module is connect with the central processing unit, the display module and institute
Central processing unit connection is stated, the print module is connect with the central processing unit；The central processing unit is connected with
Communication module, central processing unit are connected with exterior PC computer through the communication module.
As the preferred embodiment of Intelligent DC High Voltage Generator, imitated by control IGBT or field-effect tube G1 and IGBT or field
Should pipe G2 conducting dutycycle, by equipped with diode D5, reactor L1 and capacitor C1 voltage regulation filtering power output adjust mould
Unstable alternating current is converted to and is stablized and continuously adjustable direct current by block, then the DC voltage is sent to equipped with IGBT or
The bridge type inverse module of field-effect tube G3, IGBT or field-effect tube G4, IGBT or field-effect tube G5 and IGBT or field-effect tube G6,
Through equipped with high-tension transformer T2 and reactor L2 high pressure voltage changing module, equipped with the voltage doubling rectifier module of diode after obtain direct current
High pressure.
As the preferred embodiment of Intelligent DC High Voltage Generator, the rectification filtering module includes thyristor Q1, thyristor
Q2, thyristor Q3, thyristor Q4, thyristor Q5 and thyristor Q6, the thyristor Q1 and thyristor Q2 series connection, the thyristor
Q3 and thyristor Q4 series connection, the thyristor Q5 and thyristor Q6 connect, after the thyristor Q1 and thyristor Q2, series connection after series connection
Thyristor Q3 and thyristor Q4, series connection after thyristor Q5 and thyristor Q6 it is in parallel between each other；
The voltage regulation filtering power output adjustment module includes diode D1, capacitor C1 and reactor L1, the diode
In parallel between D1 and the capacitor C1, reactor L1 is connected between diode D1 and capacitor C1；
The bridge type inverse module includes IGBT or field-effect tube G1, IGBT or field-effect tube G2, IGBT or field-effect tube
G3 and IGBT or field-effect tube G4, the IGBT or field-effect tube G1 and IGBT or field-effect tube G2 series connection, IGBT or field-effect
Pipe G3 and IGBT or field-effect tube G4 series connection, IGBT or field-effect tube G1 and IGBT or field-effect tube G2, IGBT after series connection or
It is parallel with one another between field-effect tube G3 and IGBT or field-effect tube G4.
As the preferred embodiment of Intelligent DC High Voltage Generator, the alternating current of input through and being equipped with diode D2, second level
The rectification filtering module of pipe D3, diode D4, diode D6, diode D7, diode D8 and capacitor C3, are equipped with IGBT or field is imitated
Should pipe G5, IGBT or field-effect tube G6, diode D5, reactor L3, capacitor C2 voltage regulation filtering power output adjustment module after
Become the adjustable direct current of steady and continuous, using equipped with IGBT or field-effect tube G7, IGBT or field-effect tube G8, IGBT or field
The bridge type inverse module of effect pipe G9, IGBT or field-effect tube G10, and the high voltage variable equipped with reactor L4 and high-tension transformer T1
It is sent into voltage multiplying rectifier filter module after die block and obtains high direct voltage；
In the voltage multiplying rectifier filter module, according to the height of output high direct voltage, pass through increase and decrease high-voltage capacitance and high pressure
The quantity mode of diode increases and decreases the series of voltage multiplying rectifier.
The embodiment of the present invention has the advantages that can read high voltage microammeter electric current at a distance；Preservation, which is checked, in real time goes through
History data；Real time print test data；It is automatically performed voltage raising and reducing, is intervened without personnel；
It is automatic measurement Zinc-Oxide Arrester (MOA) leakage current and 1mA reference voltage, easy to use；
2 kinds of high voltage direct current output electric currents can be shown that on equipment liquid crystal display, (high voltage direct current exports high-pressure side in real time
Measure current value and high voltage direct current output low-pressure side measure current value), personnel safety, test data is accurate；It being capable of remote nothing
Line transmission passes through optical fiber transferring high voltage current value, avoids live interference, use is safer；
High voltage microammeter and control host real-time communication, find live Insulation Problems in time；Any preset over-voltage voltage mistake
Piezoelectricity flow valuve, the double protected modes of software and hardware are more reliable, Intelligent DC High Voltage Generator controlled by external computer, data are real
When transmission be shown on computer screen, upper computer software automatically generate testing experiment report, facilitate modification and printing save.
Detailed description of the invention
Fig. 1 is the Intelligent DC High Voltage Generator structural schematic diagram provided in the embodiment of the present invention；
Fig. 2 is a kind of high pressure voltage changing module and voltage multiplying rectifier filter module circuit structure provided in the embodiment of the present invention
Figure；
Fig. 3 is another the high pressure voltage changing module and voltage multiplying rectifier filter module circuit knot provided in the embodiment of the present invention
Composition；
Fig. 4 be the embodiment of the present invention in provide the first rectification filtering module, voltage regulation filtering power output adjustment module,
Bridge type inverse module, first voltage current sampling module and high pressure voltage changing module circuit structure diagram；
Fig. 5 be the embodiment of the present invention in provide second of rectification filtering module, voltage regulation filtering power output adjustment module,
Bridge type inverse module, first voltage current sampling module and high pressure voltage changing module circuit structure diagram；
Fig. 6 be the embodiment of the present invention in provide the third rectification filtering module, voltage regulation filtering power output adjustment module,
Bridge type inverse module, first voltage current sampling module and high pressure voltage changing module circuit structure diagram；
Fig. 7 is that D/A converter module and analog-to-digital conversion module pass through photo-coupler and central processing list in the embodiment of the present invention
The circuit diagram of member communication；
Fig. 8 is the communication module circuit schematic in the embodiment of the present invention；
Fig. 9 is the central processing unit circuit power supply circuit schematic diagram in the embodiment of the present invention；
Figure 10 is central processing unit circuit, parameter configuration module circuit and the display module circuit in the embodiment of the present invention
Schematic diagram；
In figure: 1, Power Entry Module；2, rectification filtering module；3, voltage sampling module；4, PID control parameter
Module；5, voltage regulation filtering power output adjustment module；6, bridge type inverse module；7, first voltage current sampling module；8, high pressure
Voltage changing module；9, second voltage current sampling module；10, voltage multiplying rectifier filter module；11, external high pressure current sampling module；
12, analog-to-digital conversion module；13, D/A converter module；14, central processing unit；15, display module；16, print module；17, outer
Portion's PC computer；18, wireless transport module；19, voltage control module；20, parameter configuration module；21, circuit module is protected；22,
Output module；23, communication module.
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book is understood other advantages and efficacy of the present invention easily.
It should be clear that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to cooperate specification to be taken off
The content shown is not intended to limit the invention enforceable qualifications so that those skilled in the art understands and reads, therefore
Do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing the present invention
Under the effect of can be generated and the purpose that can reach, it should all still fall in disclosed technology contents and obtain the model that can cover
In enclosing.Meanwhile cited such as "upper", "lower", " left side ", the right side in this specification ", the term of " centre ", be merely convenient to chat
That states is illustrated, rather than to limit the scope of the invention, relativeness is altered or modified, and is changing skill without essence
It is held in art, when being also considered as the enforceable scope of the present invention.
Embodiment 1
Referring to Fig. 1, a kind of Intelligent DC High Voltage Generator, the high voltage direct current generator includes Power Entry Module 1, whole
Flow filter module 2, voltage sampling module 3, PID control parameter module 4, voltage regulation filtering power output adjustment module 5, bridge
Formula inverter module 6, first voltage current sampling module 7, high pressure voltage changing module 8, second voltage current sampling module 9, times repoussage
Flow filter module 10, external high pressure current sampling module 11, analog-to-digital conversion module 12, D/A converter module 13 and central processing list
Member 14.The output end of rectification filtering module 2 is connect with the input terminal of voltage regulation filtering power output adjustment module 5, rectifying and wave-filtering mould
The output end of block 2 is also connect with the input terminal of voltage sampling module 3；The output end and proportional integral differential of voltage sampling module 3
The input terminal of control module 4 connects；The output end and voltage regulation filtering power output adjustment module of PID control parameter module 4
5 input terminal connection；The output end of voltage regulation filtering power output adjustment module 5 is connect with the input terminal of bridge type inverse module 6；Bridge
The output end of formula inverter module 6 is connect with the input terminal of first voltage current sampling module 7, the output end of bridge type inverse module 6
Also it is connect with the input terminal of high pressure voltage changing module 8；The input of the output end and voltage multiplying rectifier filter module 10 of high pressure voltage changing module 8
End connection, the output end of high pressure voltage changing module 8 are also connect with the input terminal of second voltage current sampling module 9；Voltage multiplying rectifier filter
The output end of wave module 10 is connect with the input terminal of external high pressure current sampling module 11, the output of voltage multiplying rectifier filter module 10
End is also connect with the input terminal of second voltage current sampling module 9；Output end and the ratio product of second voltage current sampling module 9
Divide the input terminal connection of differential control module 4, the output end of second voltage current sampling module 9 also connects with central processing unit 14
It connects；The input terminal of analog-to-digital conversion module 12 is connect with the output end of second voltage current sampling module 9, analog-to-digital conversion module 12
Output end is connect with central processing unit 14；The output end of D/A converter module 13 is defeated with PID control parameter module 4
Enter end connection, the input terminal of D/A converter module 13 is connect with central processing unit 14.
Central processing unit 14 in Fig. 1 can be internal using processors such as arm processor, dsp processor, single-chip microcontrollers
Outside with memory space does not just have to extend out storage chip again, and internal without memory space, data are realized by extension in outside
Storage, the main function of the chip are exactly to realize to control to peripheral circuit, realize the function such as voltage output, data acquisition display printing
Energy；D/A converter module 13 and analog-to-digital conversion module 12 in Fig. 1 can select individual chip, and central processing also can be used
The chip being internally integrated in unit 14 realizes the conversion of analog signal and digital signal, in order to obtain higher sampling or output
Precision can select digital-to-analogue conversion and the modulus conversion chip of 16 or more seniority top digit, can be with the communication of central processing unit 14
It can.
Display module 15 in Fig. 1 all may be used using LCD display, using greyish white liquid crystal display or color touch screen
With as long as trystate and test data can be completely presented in liquid crystal display area.
The printer of print module 16 uses mini-printer (pin type or temperature-sensitive) in Fig. 1, and compact, device panel has
Interface is installed in space, and interface can be matched with central processing unit 14；Communication module 23 in Fig. 1 is according to the need of actual use
It wants, the communication module 23 integrated in central processing unit 14 can be used, communication module can also be extended out, be able to achieve and exterior PC
Computer 17 communicates.
Exterior PC computer 17 in Fig. 1 is using the household or commercialization or industrial personal computer that can install operating system；In Fig. 1
Wireless transport module 18 needs to have serial communication function using individual single-chip microcontroller or arm processor or dsp processor
Can, then extended wireless transceiver module is realized and the communication of central processing unit 14, or extension optic module, is realized by optical fiber
With the communication of central processing unit 14, radio receiving transmitting module is matched with central processing unit 14, and external high pressure electric current is taken
The signal of egf block 11 is transferred to central processing unit 14, realizes that high direct voltage output off current HIGH presses sample side-draw and high direct voltage defeated
Two electric currents of current low-voltage sample side-draw are simultaneously displayed on the LCD display of display module 15 out.
In Fig. 1, PID control parameter module 4 realizes PID control parameter function using operational amplifier circuit, can also
To be integrated in central processing unit 14, the control of PID (proportional integral differential), ratio are completed by software control or algorithm
The main function of integral differential control module 4 is ensuring that the stabilization of output high direct voltage voltage and electric current.
Voltage sampling module 3 uses the principle of electric resistance partial pressure in Fig. 1, after the voltage signal of rectification filtering module 2 is decayed
It is transferred to PID control parameter module 4, plays the role of stable DC voltage.Power Entry Module 1 uses three in attached drawing 1
Phase 380V or single-phase 220V AC power source, according to amount of capacity unrestricted choice, jointing can bear rated output capacity i.e.
It can.
Rectification filtering module 2 uses three-phase rectification bridge or single-phase rectification bridge in Fig. 1, and silicon controlled rectifier also can be used,
Pass through capacitor filtering by lc circuit or individually again, the alternating current of input is converted into stable DC.
Voltage regulation filtering power output adjustment module 5 uses IGBT (Insulated GateBipolar in Fig. 1
Transistor, insulated gate bipolar transistor) module or IGBT or field-effect tube or silicon-controlled, when selecting IGBT module
Or IGBT or field-effect tube, it needs to realize together with filter regulator circuit plus driving circuit by PWM (pulse-width controlled) circuit
The continuously adjustable and voltage stabilization of DC voltage, in addition 6 steady dc voltage of bridge type inverse module is given after LC or C filtering, if
It is to select silicon controlled rectifier, needs to realize that output is straight by PID control parameter module 4 plus controllable silicon drive circuit
Continuously adjustable and voltage stabilization, the controllable silicon drive circuit of galvanic electricity pressure control silicon-controlled angle of flow, in addition after LC or C filtering
Give bridge type inverse module 6 steady dc voltage.
The effect of first voltage current sampling module 7 (sampling low pressure) is by 6 circuit output of bridge type inverse module in Fig. 1
Voltage and current is transferred to protection circuit module 21, if there is situations such as overcurrent or over-voltage, protection circuit module 21 will provide over-voltage
Over-current signal is transferred to central processing unit 14, realizes the real-time display of output low voltage electric current and the real-time guarantor of over-voltage and over-current
Shield.
According to equipment output capacity size, driving frequency arbitrarily adjusts bridge-type inverter module 6, generally that front end is steady in Fig. 1
Fixed direct current such as is converted at the pulsewidths, and frequency is the pulsating voltage signal of 4-50kHz, for driving high pressure voltage changing module 8, high pressure
The high-tension transformer of voltage changing module 8 selects FERRITE CORE, and the high-tension transformer of low capacity uses dry type transformer structure, great Rong
For the high-tension transformer of amount according to dry construction, fever is easy because of the excessively high damage of temperature than more serious, so general using oily formula
High-tension transformer is specifically placed in a metal drum by structure, is then injected into the transformer oil of insulation as high-tension transformer
Coolant, play the role of heat dissipation.High-tension transformer is according to the size (size of capacity) of output electric current using single high voltage variable
Depressor exports the mode of (T2 in attached drawing 2) or double high-tension transformers (T1 in attached drawing 3) output, meets wanting for direct current output capacity
It asks.
Voltage multiplying rectifier filter module 10 is fixed on the insulating material by high-frequency and high-voltage silicon stack and high-voltage capacitance in Fig. 1, according to
Export the size of DC voltage and current (dc power), the voltage multiplying rectifier (see attached drawing 2) of composition single phase transformer driving or double transformations
The voltage doubling rectifing circuit (attached drawing 3) of device driving；Second voltage current sampling module 9 (sampling high pressure) is by following several portions in attached drawing 1
Dividing and constitutes, high tension voltage sampling uses the principle (see attached drawing 2 and attached drawing 3) of electric resistance partial pressure, and R21 is high-tension resistive in attached drawing 2,
R22 is sample resistance；R1 is high-tension resistive in attached drawing 3, and R2 is sample resistance；They are transmitted after high voltage is decayed to low-voltage
To analog-to-digital conversion module 12 in attached drawing 1, the circuit through analog-to-digital conversion module 12 in attached drawing 1 is sent into central processing unit 14, is completed
The sampling of voltage and current is shown.
In Fig. 1, voltage control module 19 uses digital rotary encoder (impulse generator) mobile cursor, manually controls directly
Stream High voltage output, preset user data, control Intelligent DC High Voltage Generator completion institute are functional.
In Fig. 1, parameter configuration module 20 is software preset module, and user can be according to the voltage of required high direct voltage or complete
All data is configured at different function, improves friendly interface degree.
Intelligent DC High Voltage Generator provided in this embodiment can read high voltage microammeter electric current, in intelligence at a distance
The output high-voltage electricity of two kinds of measurement methods of high direct voltage acquisition is shown in high voltage direct current generator control cabinet (platform) LCD screen simultaneously
Flow valuve (high-pressure side sampling and low-pressure side sampling)；It saves, check in real time, printing, uploading 17 historical data of exterior PC computer；Pass through
Upper computer software is checked, calls historical data, remote control equipment output high direct voltage, automatic editor's printing preservation host computer soft
The test report that part generates；It can be by manually controlling output high pressure and automatically controlling output two kinds of boost or depressurization moulds of high pressure
Formula, according to the value of user of service's preset (needing to obtain), equipment can automatically control output module 22, can also be manually operated and reach
To voltage rating, realize that output voltage is equal to preset voltage, it can manually control, direct current can also be exported with automatic control equipment
High pressure, Intelligent DC High Voltage Generator are realized intelligent；
Intelligent DC High Voltage Generator realizes that automatic measurement completes Zinc-Oxide Arrester (MOA) leakage current and 1mA reference
The test process of voltage, and the leakage current testing being automatically performed under 0.75 times of voltage；
Intelligent DC High Voltage Generator is realized remote wireless transmission or transmitted by optical fiber, and intelligent DC high pressure occurs
The current value of device high-voltage output end measurement transfers to Intelligent DC High Voltage Generator control cabinet (platform), and is shown in LCD liquid crystal display
On, avoid live interference.
High voltage microammeter and Intelligent DC High Voltage Generator control cabinet (platform) real-time communication, real-time display high voltage microammeter electricity
The output current value of flow valuve and low-pressure side measurement.
Intelligent DC High Voltage Generator control cabinet (platform) can any preset over-voltage voltage and overcurrent value, output can be with
It can be exported with Discrete control, every section of output voltage duration can be arbitrarily arranged, and voltage and current protection value is protected by software and hardware is double
Shield or software and hardware list protected mode.
Using attached drawing 1, realizing Intelligent DC High Voltage Generator, output voltage stabilization degree is high, and voltage measurement is more acurrate
The features such as (precision is less than 1%), ripple current small (less than 1%).
Embodiment 2
Referring to Fig. 1, Power Entry Module 1, rectification filtering module 2, voltage regulation filtering power output adjustment module 5, bridge-type are inverse
Become module 6 and high pressure voltage changing module 8 implemented in the following way:
Referring to fig. 4, Power Entry Module 1 in attached drawing 1, rectification filtering module 2, steady may be implemented in the circuit of Fig. 5, Fig. 6
Filters pressing wave power exports adjustment module 5, the function of bridge type inverse module 6 and high pressure voltage changing module 8, mainly using approach by equipment
Output power size determines, when output DC voltage and current (power) is smaller, high voltage direct current is used by the way of attached drawing 4
The output of pressure.Diode D1, diode D2, diode D3, diode D4,2 electricity of capacitor C2 composition rectification filtering module in attached drawing 4
Road, IGBT or field-effect tube G1, IGBT or field-effect tube G2, diode D5, reactor L1, capacitor C1 form pressure stabilizing in attached drawing 4
Filtered power exports 5 circuit 3 (attached drawing 1) of adjustment module, and IGBT or field-effect tube G1 and IGBT or field-effect tube G2 is handed in attached drawing 4
For 50% period of conducting, turn-on time is controlled by driving circuit, is imitated by control IGBT or field-effect tube G1 and IGBT or field
Should pipe G2 conducting dutycycle, by diode D5, reactor L1, capacitor C1 composition voltage regulation filtering power output adjustment module
5, unstable alternating current is converted to the direct current stablized and be continuously adjusted, DC voltage is realized and is continuously adjusted and pressure stabilizing
Function, then by the DC voltage be sent to IGBT or field-effect tube G3, IGBT or field-effect tube G4, IGBT or field-effect tube G5,
The inverter circuit of IGBT or field-effect tube G6 composition, send through high-tension transformer T2 and reactor L2 (filter inductance or equivalent inductance)
To with obtain high direct voltage after voltage doubling rectifing circuit (shown in attached drawing 2, attached drawing 3).High-tension transformer T2 can make of a magnetic core
At high-tension transformer, it can also be made into high-tension transformer by more magnetic cores together parallel connection, the coil of high-tension transformer T2 can be used
Dry type and oily formula radiate two kinds.
Embodiment 3
Referring to Fig. 5, thyristor Q1, thyristor Q2, thyristor Q3, thyristor Q4, thyristor Q5, thyristor Q6, diode
The circuit of the circuit and voltage regulation filtering power output adjustment module 5 of D1, capacitor C1 and reactor L1 composition rectification filtering module 2,
Thyristor Q1 and thyristor Q2 series connection, thyristor Q3 and thyristor Q4 series connection, thyristor Q5 and thyristor Q6 series connection, after series connection
Thyristor Q3 after thyristor Q1 and thyristor Q2, series connection and the thyristor Q5 after thyristor Q4, series connection and thyristor Q6 are mutual
Between it is in parallel；Voltage regulation filtering power output adjustment module 5 includes diode D1, capacitor C1 and reactor L1, diode D1 and electricity
Hold parallel connection, reactor L1 between C1 to be connected between diode D1 and capacitor C1.
By the conducting for controlling thyristor Q1, thyristor Q2, thyristor Q3, thyristor Q4, thyristor Q5 and thyristor Q6
Angle size, then filtered through diode D1, capacitor C1 and reactor L1, unstable alternating current is converted to stable and continuously adjustable
Direct current, the direct current be sent to IGBT or field-effect tube G1, IGBT or field-effect tube G2, IGBT or field-effect tube G3 and
The inverter circuit of the bridge type inverse mold of IGBT or field-effect tube G4 composition, by the reactor L1 of high pressure voltage changing module 8, high pressure
Transformer T1 obtains high voltage direct current after giving the circuit (see attached drawing 2, attached drawing 3) of voltage doubling rectifier module.
Embodiment 4
Referring to Fig. 6, wherein diode D2, diode D3, diode D4, diode D6, diode D7, diode D8 and electricity
Hold the circuit of the composition rectification filtering module 2 of C3, IGBT or field-effect tube G5, IGBT or field-effect tube G6, diode D5, reactance
The voltage regulation filtering power output of device L3 and capacitor C2 composition voltage regulation filtering power output adjustment module 5 adjusts circuit (voltage regulation filtering
Power output, which adjusts circuit, can use PWM (KA3525) chip or other PWM chips, can also be by central processing unit 14
Control and data storage circuitry pass through software realization PWM output control), the alternating current of input becomes steady after the two circuits
Surely continuously adjustable direct current, by IGBT or field-effect tube G7, IGBT or field-effect tube G8, IGBT or field-effect tube G9,
The inverter circuit of the bridge type inverse module 6 of IGBT or field-effect tube G10 composition, forms through reactor L4 and high-tension transformer T1
It is sent into after the circuit of high pressure voltage changing module 8 in the circuit of voltage doubling rectifier module (Fig. 2 or Fig. 3) and obtains high direct voltage.
Embodiment 5
Referring in Fig. 7, OP1, OP2 are photo-coupler, play the left and right of Phototube Coupling, the U1 control model in Figure 10 to OP1,
After OP2, in Fig. 1 D/A converter module 13 and analog-to-digital conversion module 12 communicated.
Referring in Fig. 8, M1, M2, M3 are serial ports isolating chip, the U1 in Figure 10 by after U2 again through in Fig. 8 M1, M2,
The isolation circuit of M3 composition, it is safe to be communicated with host computer and exterior PC computer (computer), protect central processing unit
14, not by the interference of exterior PC computer and other level, play a protective role.The circuit that note 2, note 3 in Fig. 8 are enclosed is surge
Circuit is protected, prevents surge voltage from damaging serial ports isolating chip.
Referring to Fig. 9, wherein U3 is that Switching Power Supply controls chip, and working frequency 250kHz, C26, C27, C29, C30 are filter
Wave capacitor, L1 are filter inductance, and PD4 is surge protection diode.R29, C28, C31, R32, C25, R33, R31, R30, D1 are
The peripheral circuit of U3 chip MP2403, by adjusting the resistance value size of R33, R31, R30, the output voltage of adjustable VDD, figure
Unstable direct current is converted to highly stable and jamproof DC voltage by 9 entire circuit, to the print module in Fig. 1
16 power supplies, while also power supply is provided to circuit in Fig. 7, Fig. 8, Figure 10.The voltage stabilization of output is reliable, avoids live power supply
And influence of other electromagnetic interferences to central processing unit 14 in Fig. 1, it is ensured that the reliable and stable work of equipment.
Referring to Figure 10, wherein U1 is the control chip of central processing unit 14, and there is the operation of control equipment, data operation to protect
The effects of depositing processing realizes the effect of the central processing unit 14 in Fig. 1, Figure 10 by the programming Control to U1 microprocessor
In U2 be communication chip, U1 carries out data exchange and control action by U2 and upper computer software.
Although above having used general explanation and specific embodiment, the present invention is described in detail, at this
On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore,
These modifications or improvements without departing from theon the basis of the spirit of the present invention are fallen within the scope of the claimed invention.
Claims (9)
1. a kind of Intelligent DC High Voltage Generator, it is characterised in that: the high voltage direct current generator includes rectification filtering module
(2), voltage sampling module (3), PID control parameter module (4), voltage regulation filtering power output adjustment module (5), bridge-type
Inverter module (6), first voltage current sampling module (7), high pressure voltage changing module (8), second voltage current sampling module (9),
Voltage multiplying rectifier filter module (10), external high pressure current sampling module (11), analog-to-digital conversion module (12), D/A converter module
(13) it is adjusted with central processing unit (14), the output end of the rectification filtering module (2) and the voltage regulation filtering power output
The input terminal of module (5) connects, and the output end of rectification filtering module (2) also connects with the input terminal of the voltage sampling module (3)
It connects；The output end of the voltage sampling module (3) is connect with the input terminal of the PID control parameter module (4)；It is described
The output end of PID control parameter module (4) is connect with the input terminal of the voltage regulation filtering power output adjustment module (5)；
The output end of the voltage regulation filtering power output adjustment module (5) is connect with the input terminal of the bridge type inverse module (6)；It is described
The output end of bridge type inverse module (6) is connect with the input terminal of the first voltage current sampling module (7), bridge type inverse module
(6) output end is also connect with the input terminal of the high pressure voltage changing module (8)；The output end of the high pressure voltage changing module (8) with
The input terminal of the voltage multiplying rectifier filter module (10) connects, the output end of high pressure voltage changing module (8) also with the second voltage
The input terminal of current sampling module (9) connects；The output end of the voltage multiplying rectifier filter module (10) and external high pressure electricity
The input terminal connection of sampling module (11) is flowed, the output end of voltage multiplying rectifier filter module (10) also takes with the second voltage electric current
The input terminal of egf block (9) connects；The output end of the second voltage current sampling module (9) and the proportional integral differential control
The input terminal of molding block (4) connects, the output end of second voltage current sampling module (9) also with the central processing unit (14)
Connection；The input terminal of the analog-to-digital conversion module (12) is connect with the output end of the second voltage current sampling module (9), mould
The output end of number conversion module (12) is connect with the central processing unit (14)；The output end of the D/A converter module (13)
It is connect with the input terminal of the PID control parameter module (4), the input terminal of D/A converter module (13) and the center
Processing unit (14) connection.
2. a kind of Intelligent DC High Voltage Generator according to claim 1, it is characterised in that: the rectification filtering module
(2) input terminal is connected with Power Entry Module (1), and the output end of the external high pressure current sampling module (11) is connected with defeated
Module (22) out.
3. a kind of Intelligent DC High Voltage Generator according to claim 1, it is characterised in that: the high voltage direct current generator
Further include protection circuit module (21), it is described protection circuit module (21) input terminal respectively with the first voltage current sampling
The output end of module (7) is connected with the output end of PID control parameter module (4), described to protect the defeated of circuit module (21)
Outlet is connect with the central processing unit (14).
4. a kind of Intelligent DC High Voltage Generator according to claim 1, it is characterised in that: the high voltage direct current generator
It further include wireless transport module (18), the input terminal of the wireless transport module (18) and the external high pressure current sampling module
(11) output end connection, the output end of the wireless transport module (18) are connect with the central processing unit (14).
5. a kind of Intelligent DC High Voltage Generator according to claim 4, it is characterised in that: the external high pressure electric current takes
Egf block (11) and wireless transport module (18) are enclosed in the box body of metal material.
6. a kind of Intelligent DC High Voltage Generator according to claim 1, it is characterised in that: the high voltage direct current generator
It further include voltage control module (19), the voltage control module (19) connect with the central processing unit (14), voltage control
Molding block (19) uses digital rotary encoder, voltage control module (19) using mobile cursor, to manually control high direct voltage defeated
Out, the mode of preset user data makes the high voltage direct current generator complete voltage control.
7. a kind of Intelligent DC High Voltage Generator according to claim 1, it is characterised in that: the high voltage direct current generator
It further include parameter configuration module (20), display module (15) and print module (16)；The parameter configuration module (20) with it is described
Central processing unit (14) connection, the display module (15) connect with the central processing unit (14), the print module
(16) it is connect with the central processing unit (14)；The central processing unit (14) is connected with communication module (23), centre
It manages unit (14) and is connected with exterior PC computer (17) through the communication module (23).
8. a kind of Intelligent DC High Voltage Generator according to claim 1, it is characterised in that: imitated by control IGBT or field
Should pipe G1 and IGBT or field-effect tube G2 conducting dutycycle, through being equipped with diode D5, reactor L1 and capacitor C1 pressure stabilizing
Filtered power exports adjustment module (5), and unstable alternating current is converted to the direct current stablized and be continuously adjusted, then this is straight
Galvanic electricity is sent to equipped with IGBT or field-effect tube G3, IGBT or field-effect tube G4, IGBT or field-effect tube G5 and IGBT or field effect
Should pipe G6 bridge type inverse module (6), through equipped with high-tension transformer T2 and reactor L2 high pressure voltage changing module (8), be equipped with two
High direct voltage is obtained after the voltage doubling rectifier module of pole pipe.
9. a kind of Intelligent DC High Voltage Generator according to claim 1, it is characterised in that: pass through the alternating current of input
Rectifying and wave-filtering mould equipped with diode D2, diode D3, diode D4, diode D6, diode D7, diode D8 and capacitor C3
Block (2), the pressure stabilizing filter equipped with IGBT or field-effect tube G5, IGBT or field-effect tube G6, diode D5, reactor L3, capacitor C2
Wave power output adjustment module (5) after become the adjustable direct current of steady and continuous, using be equipped with IGBT or field-effect tube G7,
The bridge type inverse module (6) of IGBT or field-effect tube G8, IGBT or field-effect tube G9, IGBT or field-effect tube G10, and it is equipped with electricity
The high pressure voltage changing module (8) of anti-device L4 and high-tension transformer T1 is sent into voltage multiplying rectifier filter module (10) obtains direct current height afterwards
Pressure；
In the voltage multiplying rectifier filter module (10), according to the height of output high direct voltage, pass through increase and decrease high-voltage capacitance and high pressure
The quantity mode of diode increases and decreases the series of voltage multiplying rectifier.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811143511.3A CN109149972A (en) | 2018-09-28 | 2018-09-28 | A kind of Intelligent DC High Voltage Generator |
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| CN201811143511.3A CN109149972A (en) | 2018-09-28 | 2018-09-28 | A kind of Intelligent DC High Voltage Generator |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110707950A (en) * | 2019-11-11 | 2020-01-17 | 广东工业大学 | Dual-mode control high-voltage electrostatic spinning power supply and generation method |
| CN111044871A (en) * | 2020-01-08 | 2020-04-21 | 广东电网有限责任公司 | Integrated 10kV zinc oxide arrester test system and method |
| CN112730933A (en) * | 2020-12-25 | 2021-04-30 | 国网宁夏电力有限公司电力科学研究院 | Windproof direct-current high-voltage generator and windproof direct-current high-voltage generator assembly |
| CN112730934A (en) * | 2020-12-25 | 2021-04-30 | 国网宁夏电力有限公司电力科学研究院 | Direct current high voltage generator, direct current high voltage generator assembly and control system |
| CN113904580A (en) * | 2021-11-03 | 2022-01-07 | 成都菲斯洛克电子技术有限公司 | Alternating current high-voltage module, high-voltage alternating current and direct current power supply and high-voltage alternating current and direct current power supply method |
| CN114001439A (en) * | 2021-11-30 | 2022-02-01 | 海信（广东）空调有限公司 | Air conditioner and control device and method thereof |
| CN116455225A (en) * | 2023-01-09 | 2023-07-18 | 珠海市奥德维科技有限公司 | High-voltage power supply and adjusting method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2924928Y (en) * | 2005-12-05 | 2007-07-18 | 浙江大学 | Intelligent high-voltage pulse generator |
| CN201290070Y (en) * | 2008-11-07 | 2009-08-12 | 苏州市华电电气技术有限公司 | Extra-high voltage DC generator |
| CN202261024U (en) * | 2011-08-19 | 2012-05-30 | 肖智俊 | Intelligent type DC high voltage generator |
| CN203313081U (en) * | 2013-06-08 | 2013-11-27 | 国家电网公司 | Intelligent DC high voltage generator |
| CN106712547A (en) * | 2016-12-12 | 2017-05-24 | 成都金创立科技有限责任公司 | High power dedicated power supply using plasma technology to prepare graphite |
-
2018
- 2018-09-28 CN CN201811143511.3A patent/CN109149972A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2924928Y (en) * | 2005-12-05 | 2007-07-18 | 浙江大学 | Intelligent high-voltage pulse generator |
| CN201290070Y (en) * | 2008-11-07 | 2009-08-12 | 苏州市华电电气技术有限公司 | Extra-high voltage DC generator |
| CN202261024U (en) * | 2011-08-19 | 2012-05-30 | 肖智俊 | Intelligent type DC high voltage generator |
| CN203313081U (en) * | 2013-06-08 | 2013-11-27 | 国家电网公司 | Intelligent DC high voltage generator |
| CN106712547A (en) * | 2016-12-12 | 2017-05-24 | 成都金创立科技有限责任公司 | High power dedicated power supply using plasma technology to prepare graphite |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110707950A (en) * | 2019-11-11 | 2020-01-17 | 广东工业大学 | Dual-mode control high-voltage electrostatic spinning power supply and generation method |
| CN111044871A (en) * | 2020-01-08 | 2020-04-21 | 广东电网有限责任公司 | Integrated 10kV zinc oxide arrester test system and method |
| CN112730933A (en) * | 2020-12-25 | 2021-04-30 | 国网宁夏电力有限公司电力科学研究院 | Windproof direct-current high-voltage generator and windproof direct-current high-voltage generator assembly |
| CN112730934A (en) * | 2020-12-25 | 2021-04-30 | 国网宁夏电力有限公司电力科学研究院 | Direct current high voltage generator, direct current high voltage generator assembly and control system |
| CN113904580A (en) * | 2021-11-03 | 2022-01-07 | 成都菲斯洛克电子技术有限公司 | Alternating current high-voltage module, high-voltage alternating current and direct current power supply and high-voltage alternating current and direct current power supply method |
| CN114001439A (en) * | 2021-11-30 | 2022-02-01 | 海信（广东）空调有限公司 | Air conditioner and control device and method thereof |
| CN116455225A (en) * | 2023-01-09 | 2023-07-18 | 珠海市奥德维科技有限公司 | High-voltage power supply and adjusting method thereof |
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Application publication date: 20190104 |