阅读说明：本技术 一种输入端口数可调的模块化高增益整流电路 (A kind of adjustable modularization high-gain rectification circuit of input port number ) 是由 邾玢鑫 王慧慧 佘小莉 杨楠 李振华 黄悦华 于 2019-08-14 设计创作，主要内容包括：一种输入端口数可调的模块化高增益整流电路,该整流器包含一个输入电源,<I>m</I>个模块、<I>m</I>为偶数；第一个模块由<I>n</I>个电容<I>C</I><Sub>11</Sub>、<I>C</I><Sub>12</Sub>...<I>C</I><Sub>1<I>n</I></Sub>以及<I>n</I>个二极管D<Sub>11</Sub>、D<Sub>12</Sub>...D<Sub>1<I>n</I></Sub>构成；第二个模块由<I>n</I>个电容<I>C</I><Sub>21</Sub>、<I>C</I><Sub>22</Sub>...<I>C</I><Sub>2<I>n</I></Sub>以及<I>n</I>个二极管D<Sub>21</Sub>、D<Sub>22</Sub>...D<Sub>2<I>n</I></Sub>构成；……以此类推至第m-1模块,第m-1模块由<I>n</I>个电容<I>C</I><Sub> (<I>m</I>-1)1</Sub>、<I>C</I><Sub> (<I>m</I>-1)2</Sub>...<I>C</I><Sub> (<I>m</I>-1)<I>n</I>以及<I>n</I>个二极管D (<I>m</I>-1)1</Sub>、D<Sub> (<I>m</I>-1)2</Sub>...D<Sub> (<I>m</I>-1)<I>n</I></Sub>构成；第<I>m</I>个模块,第<I>m</I>个模块由<I>n</I>个电容<I>C</I><Sub><I>m</I>1</Sub>、<I>C</I><Sub><I>m</I>2</Sub>...<I>C</I><Sub><I>mn</I></Sub>以及<I>n</I>个二极管D<Sub><I>m</I>1</Sub>、D<Sub><I>m</I>2</Sub>...D<Sub><I>mn</I></Sub>构成。本发明一种输入端口数可调的模块化高增益整流电路,根据不用的应用场合,能灵活调整模块数,实现高增益输出、电流的自动均流、以及功率的均匀分配。(A kind of adjustable modularization high-gain rectification circuit of input port number, the rectifier include an input power, m A module, m For even number；First module by n A capacitor C 11 、 C 12 ... C 1 n And n A diode D 11 、D 12 ...D 1 n It constitutes；Second module by n A capacitor C 21 、 C 22 ... C 2 n And n A diode D 21 、D 22 ...D 2 n It constitutes；... and so on to m-1 module, m-1 module by n A capacitor C ( m ‑1)1 、 C ( m ‑1)2 ... C ( m ‑1) n And n A diode D ( m ‑1)1 、D ( m ‑1)2 ...D ( m ‑1) n It constitutes；The m A module, the m A module by n A capacitor C m 1 、 C m 2 ... C mn And n A diode D m 1 、D m 2 ...D mn It constitutes.Number of modules can be adjusted flexibly according to unused application in a kind of adjustable modularization high-gain rectification circuit of input port number of the present invention, realize evenly distributing for high-gain output, the automatic current equalizing of electric current and power.)

1. a kind of adjustable modularization high-gain rectification circuit of input port number, which is characterized in that the rectifier includes one defeated Enter power supply, m module, m are even number；

First module is by n capacitor C₁₁、C₁₂...C_1nAnd n diode D₁₁、D₁₂...D_1nIt constitutes；

Second module is by n capacitor C₂₁、C₂₂...C_2nAnd n diode D₂₁、D₂₂...D_2nIt constitutes；

……

And so on to m-1 module, m-1 module is by n capacitor C_(m-1)1、C_(m-1)2...C_(m-1)nAnd n diode D_(m-1)1、D_(m-1)2...D_(m-1)nIt constitutes；

M module, m-th of module is by n capacitor C_m1、C_m2...C_mnAnd n diode D_m1、D_m2...D_mnIt constitutes；

In first module, capacitor C₁₁One termination input power one end, capacitor C₁₁The other end is separately connected diode D₁₁Cathode, Capacitor C₁₂One end, diode D₁₁Anode connect the input power other end；

Capacitor C₁₂The other end is separately connected diode D₁₂Cathode, capacitor C₁₃One end, diode D₁₂Anode connect input power The other end；

Capacitor C₁₃The other end is separately connected diode D₁₃Cathode, capacitor C₁₄One end, diode D₁₃Anode connect input power The other end；

... and so on:

Capacitor C_1(n-1)The other end is separately connected diode D_1(n-1)Cathode, capacitor C_1nOne end, diode D_1(n-1)Anode connection The input power other end；

Capacitor C_1nThe other end connects diode D_1nCathode, diode D_1nAnode connects the input power other end；

In second module,

Capacitor C₂₁One termination input power one end, capacitor C₂₁The other end is separately connected diode D₂₁Cathode, capacitor C₂₂One end, Diode D₂₁Anode connect the input power other end；

Capacitor C₂₂The other end is separately connected diode D₂₂Cathode, capacitor C₂₃One end, diode D₂₂Anode connect input power The other end；

... and so on:

Capacitor C_2(n-1)The other end is separately connected diode D_2(n-1)Cathode, capacitor C_2nOne end, diode D_2(n-1)Anode connection The input power other end；

Capacitor C_2nThe other end connects diode D_2nCathode, diode D_2nAnode connects the input power other end；

……

And so on,

In m-1 module,

Capacitor C_(m-1)1One termination input power one end, capacitor C_(m-1)1The other end is separately connected diode D_(m-1)1Cathode, capacitor C_(m-1)2One end, diode D_(m-1)1Anode connect the input power other end；

Capacitor C_(m-1)2The other end is separately connected diode D_(m-1)2Cathode, capacitor C_(m-1)3One end, diode D_(m-1)2Anode Connect the input power other end；

... and so on, capacitor C_(m-1)(n-1)The other end is separately connected diode D_(m-1)(n-1)Cathode, capacitor C_(m-1)nOne end, Diode D_(m-1)(n-1)Anode connect the input power other end；

Capacitor C_(m-1)nThe other end connects diode D_(m-1)nCathode, diode D_(m-1)nAnode connects the input power other end；

In m module,

Capacitor C_m1One termination input power one end, capacitor C_m1The other end is separately connected diode D_m1Cathode, capacitor C_m2One end, Diode D_m1Anode connect the input power other end；

Capacitor C_m2The other end is separately connected diode D_m2Cathode, capacitor C_m3One end, diode D_m2Anode connect input power The other end；

... and so on, capacitor C_m(n-1)The other end is separately connected diode D_m(n-1)Cathode, capacitor C_mnOne end, diode D_m(n-1)Anode connect the input power other end；

Capacitor C_mnThe other end connects diode D_mnCathode, diode D_mnAnode connects the input power other end；

It is connected between modules as follows:

Diode D in first module₁₁Cathode connect the second module in diode D₂₁Anode, diode D in the second module₂₁ Cathode connection third module in diode D₃₁Anode ... ... m-1 module in diode D_(m-1)1Cathode connect m mould Diode D in block_m1Anode；

Diode D in first module₁₂Cathode connect the second module in diode D₂₂Anode, diode D in the second module₂₂ Cathode connection third module in diode D₃₂Anode ... ... m-1 module in diode D_(m-1)2Cathode connect m mould Diode D in block_m2Anode；

... and so on,

Diode D in first module_1nCathode connect the second module in diode D_2nAnode, diode D in the second module_2n Cathode connection third module in diode D_3nAnode ... ... m-1 module in diode D_(m-1)nCathode connect m mould Diode D in block_mnAnode；

Capacitor C_m1One end and load R_LOne end be connected, load R_LThe other end and capacitor C_mnOne end is connected.

Technical field

The present invention relates to a kind of non-isolation type rectification circuit, specifically a kind of adjustable modularization high-gain of input port number Rectification circuit.

Background technique

Under the demands such as chip high voltage power supply, the acquisition of super-pressure cation and its acceleration, from the thirties in last century It rises, high-gain rectification circuit (Voltage Multiplier, VM) and its modeling and analysis methods have obtained extensive research and development. It is mentioned at present using more the CW-VM circuit for mainly thering is Cockcroft and Walton to be proposed and Luscher and Dickson D-VM circuit out, structure is respectively as shown in Fig. 1, Fig. 2 of Figure of description, and two kinds of circuits are by a series of diodes and capacitor It constitutes, there is high-efficient, at low cost and advantages of simple structure and simple.But overcurrent of its input power because being limited to semiconductor diode Ability, and the application being difficult in high-power applications occasion.

Summary of the invention

To solve the problems, such as that large capacity voltage doubling rectifing circuit is difficult to construct in the prior art, the present invention provides a kind of input terminal Number of modules can be adjusted flexibly according to unused application in the mouth adjustable modularization high-gain rectification circuit of number, realize high-gain Output, the automatic current equalizing of electric current and power evenly distribute.

The technical scheme adopted by the invention is as follows:

A kind of adjustable modularization high-gain rectification circuit of input port number, the rectifier include an input power, and m is a Module, m are even number；

First module is by n capacitor C₁₁、C₁₂...C_1nAnd n diode D₁₁、D₁₂...D_1nIt constitutes；

Second module is by n capacitor C₂₁、C₂₂...C_2nAnd n diode D₂₁、D₂₂...D_2nIt constitutes；

……

And so on to m-1 module, m-1 module is by n capacitor C_(m-1)1、C_(m-1)2...C_(m-1)nAnd n two poles Pipe D_(m-1)1、D_(m-1)2...D_(m-1)nIt constitutes；

M module, m-th of module is by n capacitor C_m1、C_m2...C_mnAnd n diode D_m1、D_m2...D_mnIt constitutes；

In first module, capacitor C₁₁One termination input power one end, capacitor C₁₁The other end is separately connected diode D₁₁Yin Pole, capacitor C₁₂One end, diode D₁₁Anode connect the input power other end；

Capacitor C₁₂The other end is separately connected diode D₁₂Cathode, capacitor C₁₃One end, diode D₁₂Anode connect input The power supply other end；

Capacitor C₁₃The other end is separately connected diode D₁₃Cathode, capacitor C₁₄One end, diode D₁₃Anode connect input The power supply other end；

... and so on:

Capacitor C_1(n-1)The other end is separately connected diode D_1(n-1)Cathode, capacitor C_1nOne end, diode D_1(n-1)Anode Connect the input power other end；

Capacitor C_1nThe other end connects diode D_1nCathode, diode D_1nAnode connects the input power other end；

In second module,

Capacitor C₂₁One termination input power one end, capacitor C₂₁The other end is separately connected diode D₂₁Cathode, capacitor C₂₂One End, diode D₂₁Anode connect the input power other end；

Capacitor C₂₂The other end is separately connected diode D₂₂Cathode, capacitor C₂₃One end, diode D₂₂Anode connect input The power supply other end；

... and so on:

Capacitor C_2(n-1)The other end is separately connected diode D_2(n-1)Cathode, capacitor C_2nOne end, diode D_2(n-1)Anode Connect the input power other end；

Capacitor C_2nThe other end connects diode D_2nCathode, diode D_2nAnode connects the input power other end；

……

And so on,

In m-1 module,

Capacitor C_(m-1)1One termination input power one end, capacitor C_(m-1)1The other end is separately connected diode D_(m-1)1Cathode, Capacitor C_(m-1)2One end, diode D_(m-1)1Anode connect the input power other end；

Capacitor C_(m-1)2The other end is separately connected diode D_(m-1)2Cathode, capacitor C_(m-1)3One end, diode D_(m-1)2's Anode connects the input power other end；

... and so on, capacitor C_(m-1)(n-1)The other end is separately connected diode D_(m-1)(n-1)Cathode, capacitor C_(m-1)n One end, diode D_(m-1)(n-1)Anode connect the input power other end；

Capacitor C_(m-1)nThe other end connects diode D_(m-1)nCathode, diode D_(m-1)nAnode connects the input power other end；

In m module,

Capacitor C_m1One termination input power one end, capacitor C_m1The other end is separately connected diode D_m1Cathode, capacitor C_m2One End, diode D_m1Anode connect the input power other end；

Capacitor C_m2The other end is separately connected diode D_m2Cathode, capacitor C_m3One end, diode D_m2Anode connect input The power supply other end；

... and so on, capacitor C_m(n-1)The other end is separately connected diode D_m(n-1)Cathode, capacitor C_mnOne end, two poles Pipe D_m(n-1)Anode connect the input power other end；

Capacitor C_mnThe other end connects diode D_mnCathode, diode D_mnAnode connects the input power other end；

It is connected between modules as follows:

Diode D in first module₁₁Cathode connect the second module in diode D₂₁Anode, two poles in the second module Pipe D₂₁Cathode connection third module in diode D₃₁Anode ... ... m-1 module in diode D_(m-1)1Cathode connection Diode D in m module_m1Anode；

Diode D in first module₁₂Cathode connect the second module in diode D₂₂Anode, two poles in the second module Pipe D₂₂Cathode connection third module in diode D₃₂Anode ... ... m-1 module in diode D_(m-1)2Cathode connection Diode D in m module_m2Anode；

... and so on,

Diode D in first module_1nCathode connect the second module in diode D_2nAnode, two poles in the second module Pipe D_2nCathode connection third module in diode D_3nAnode ... ... m-1 module in diode D_(m-1)nCathode connection Diode D in m module_mnAnode；

Capacitor C_m1One end and load R_LOne end be connected, load R_LThe other end and capacitor C_mnOne end is connected.

A kind of adjustable modularization high-gain rectification circuit of input port number of the present invention, technical effect are as follows:

1), the present invention realizes that high-gain exports using the adjustable modular rectifier circuit of input port number, adjusts according to demand The number of diode and capacitor improves gain in whole each module.The voltage stress of diode is also reduced simultaneously, is mentioned The high working efficiency of translation circuit.Wherein:

Input and output gain is (zero load):

The voltage stress of diode are as follows:

Wherein, m is number of modules, and n is the quantity of transforming circuit secondary side diode and capacitor in module.

2) automatic current equalizing, the power-sharing of transforming circuit, without passing can be realized when, the translation circuit multiple module paralleling is run Inductive circuit and control strategy guarantee to flow.

3) high-gain, is realized using modular construction, eliminates AC transformation circuit that is heavy and accounting for volume, reduces and is System volume, reduces system cost, has wide range of applications, improve the whole work efficiency of translation circuit.

Detailed description of the invention

Present invention will be further explained below with reference to the attached drawings and examples:

Fig. 1 is CW-VM circuit structure diagram.

Fig. 2 is D-VM circuit structure diagram.

Fig. 3 is circuit theory total figure of the present invention.

Fig. 4 is that circuit of the present invention is m=4, the circuit topology figure of n=2.

Fig. 5 (a) is the capacitor C for the model machine that load is 6400 Ω₁₁、C₂₁、C₃₁、C₄₁Voltage oscillogram.

Fig. 5 (b) is the capacitor C for the model machine that load is 6400 Ω₁₂、C₂₂、C₃₂、C₄₂Voltage oscillogram.

Fig. 5 (c) is the capacitor C for the model machine that load is 6400 Ω₁₁、C₂₁、C₃₁、C₄₁Voltage ripple figure.

Fig. 5 (d) is the capacitor C for the model machine that load is 6400 Ω₁₂、C₂₂、C₃₂、C₄₂Voltage ripple figure.

Fig. 5 (e) is the input voltage u for the model machine that load is 6400 Ω_in, output voltage u_oWith ripple Δ u_o, output electric current i_o Waveform diagram.

Specific embodiment

The present invention is described in further detail below in conjunction with the accompanying drawings.

As shown in figure 4, a kind of 4 module rectification circuits of modularization high-gain, include an input power, 4 modules are born Carry R_L.First module is by 2 capacitor C₁₁、C₁₂And 2 diode D₁₁、D₁₂It constitutes, the second module is by 2 capacitor C₂₁、C₂₂And 2 Diode D₂₁、D₂₂It constitutes, third module is by 2 capacitor C₃₁、C₃₂And 2 diode D₃₁、D₃₂It constitutes, the 4th module is by 2 electricity Hold C₄₁、C₄₂And 2 diode D₄₁、D₄₂It constitutes.The specific connection type of the rectification circuit is as follows:

In 4 modules,

First module, capacitor C₁₁One end is drawn, capacitor C₁₁Another termination capacitor C₁₂One end, capacitor C₁₁With capacitor C₁₂ Node meet diode D₁₁Cathode and extraction, diode D₁₁Anode is drawn, capacitor C₁₂Another terminating diode D₁₂Cathode And it draws, diode D₁₂Anode is drawn；

Second module, capacitor C₂₁One end is drawn, capacitor C₂₁Another termination capacitor C₂₂One end, capacitor C₂₁With capacitor C₂₂ Node meet diode D₂₁Cathode and extraction, diode D₂₁Anode is drawn, capacitor C₂₂Another terminating diode D₂₂Cathode And it draws, diode D₂₂Anode is drawn；

Third module, capacitor C₃₁One end is drawn, capacitor C₃₁Another termination capacitor C₃₂One end, capacitor C₃₁With capacitor C₃₂ Node meet diode D₃₁Cathode and extraction, diode D₃₁Anode is drawn, capacitor C₃₂Another terminating diode D₃₂Cathode And it draws, diode D₃₂Anode is drawn；

4th module, capacitor C₄₁One end is drawn, capacitor C₄₁Another termination capacitor C₄₂One end, capacitor C₄₁With capacitor C₄₂ Node meet diode D₄₁Cathode, D₄₁Anode is drawn, capacitor C₄₂Another terminating diode D₄₂Cathode and extraction, two poles Pipe D₄₂Anode is drawn.

Connection relationship between modules:

First module, capacitor C₁₁One termination input power one end, diode D₁₁Cathode meet diode D₂₁Anode, two Pole pipe D₁₁Anode meets the input power other end, diode D₁₂Anode meet diode D₄₁Cathode；

Second module, capacitor C₂₁The one termination input power other end, diode D₂₁Cathode meet diode D₃₁Anode, Diode D₂₂Cathode meet diode D₃₂Anode；

Third module, capacitor C₃₁One termination input power one end, diode D₃₁Cathode meet diode D₄₁Anode, two Pole pipe D₃₂Cathode meet diode D₄₂Anode；

4th module, capacitor C₄₁The one termination input power other end, diode D₄₁Cathode meet diode D₁₂Anode；

Finally, capacitor C₄₁One end and load R_LOne end be connected, load R_LThe other end and capacitor C₄₂One end is connected.

According to the difference of power switch state, circuit can be divided into three kinds of working conditions:

(1), initial time, when all diodes are all in off state, load is by capacitor C₄₁With capacitor C₄₂Power supply.

(2), when input AC electricity is in positive axis, input power passes through capacitor C₁₁, diode D₂₁, capacitor C₂₁It is formed Capacitor C is given in circuit₂₁Capacitor C is given in charging₁₁Electric discharge, passes through capacitor C₁₂With diode D₂₂To capacitor C₂₂C is given in charging₁₂Electric discharge；Together When input power pass through capacitor C₃₁, diode D₄₁, capacitor C₄₁Forming circuit, to capacitor C₄₁C is given in charging₃₁Electric discharge, passes through capacitor C₃₂With diode D₄₂To capacitor C₄₂C is given in charging₃₂Electric discharge；Diode D₁₁、D₁₂、D₃₁、D₃₂It is turned off.

(3), when input AC electricity is in negative semiaxis, input power passes through capacitor C₂₁, diode D₃₁, capacitor C₃₁It is formed Circuit, to capacitor C₃₁Capacitor C is given in charging₂₁Electric discharge, passes through capacitor C₂₂With diode D₃₂To capacitor C₃₂C is given in charging₂₂Electric discharge；Together When input power pass through capacitor C₄₁, diode D₁₂, capacitor C₁₂Forming circuit, to capacitor C₁₂C is given in charging₄₁Electric discharge, passes through two poles Pipe D₁₁With capacitor C₁₁With, give C₁₁Charging；Diode D₂₁、D₂₂、D₄₁、D₄₂It is turned off.

Flow principle:

In the steady state, according to capacitor C in VM unit₁₂、C₂₂、C₃₂、C₄₂A cycle in charge and discharge electric equilibrium, it is known that I_D42 Equal to output electric current I₀, due to capacitor C₃₂Presence, flow through diode D₃₂On electric current I_D32Equal to I_D42, and so on, first Branch road, flows through diode D₁₂On electric current I_D12Equal to output electric current I₀.Similarly, according to capacitor C₁₁、C₂₁、C₃₁、C₄₁Charge and discharge Electric equilibrium, the electric current that other branches flow through diode are also equal to output electric current I₀.It, can in the positive half period of input voltage source Using the average current for obtaining each input port from formula (1) (to flow into port as positive direction).In input voltage negative half period Interim, the average current of input port provides in formula (2).

Similarly, in the positive half period of input voltage, can as obtained in formula (3) each capacitor half period it is flat Equal electric current (using capacitor electric discharge as capacitance current positive direction).In the negative half-cycle of input voltage, it can be obtained by formula (4) The average current of each capacitor.

Above-mentioned analysis is expanded into the topology with m input port and n VM unit, each input terminal in half period The average current of mouth and capacitor provides in (8) in formula (5)-formula.

In the positive half period of input voltage, capacitance current and input current average value:

i_cij=(- 1)ⁱ⁺¹·(n+1-j)·I_o (6)

In the negative half-cycle of input voltage, capacitance current and input current average value:

i_cij=(- 1)ⁱ·(n+1-j)·I_o (8)

Wherein, [1, m] i ∈, j ∈ [1, n].

Experiment parameter:

AC-input voltage source peak value and frequency 100V/1kHz, diode model IDT12S60C, input port number m= Capacitor in 4, VM unit number n=2, VM units is 10 μ F, and load filter capacitor is 50 μ F, and load resistance value is 6400 Ω.Experiment Shown in waveform such as Fig. 5 (a), 5 (b), 5 (c), 5 (d), 5 (e), the voltage waveform at capacitor both ends such as Fig. 5 (a) and 5 (b) in VM unit It is shown, their voltage effective value are as follows: u_c11=90.64V, u_c21=171.7V, u_c31=252.5V, u_c41=341.5V, u_c12= 340.9V, u_c22=332.4V, u_c32=322.8V, u_c42=319V.Shown in the voltage ripple of capacitor such as Fig. 5 (c) and 5 (d), Middle Δ u_vm=9.2V.Shown in output voltage waveforms such as Fig. 5 (e), u_o=658.6V.

Compared to conventional rectifier circuit, a kind of adjustable modularization high-gain rectification circuit of input port number of the present invention is defeated It is high and adjustable to enter output voltage gain, each module input current can automatic current equalizing, solve multiple module paralleling operation Shi Junliu Complicated problem, and diode voltage stress is also reduced, and the working efficiency of rectification circuit is improved.