CN202737745U - Heavy-current switch power supply and heavy-current switch power supply system - Google Patents
Heavy-current switch power supply and heavy-current switch power supply system Download PDFInfo
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- CN202737745U CN202737745U CN2012202154585U CN201220215458U CN202737745U CN 202737745 U CN202737745 U CN 202737745U CN 2012202154585 U CN2012202154585 U CN 2012202154585U CN 201220215458 U CN201220215458 U CN 201220215458U CN 202737745 U CN202737745 U CN 202737745U
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Abstract
The embodiment of the utility model discloses a heavy-current switch power supply and a heavy-current switch power supply system. The heavy-current switch power supply is composed of a rectification module, a power conversion module, a drive module and a current doubler rectification module. The rectification module allows an input three-phase AC signal to be filtered by an electromagnetic interference power supply filter, thereby effectively preventing electromagnetic interference. The drive module helps to provide a PWM drive signal to the power conversion module, thereby controlling a duty ratio of an output signal of the power conversion module. A passive soft switch absorption circuit technology is employed by the power conversion module to allow an IGBT module to be switched on with zero voltage and switched off with zero current, thereby improving the efficiency, power factors and the service life of a whole machine. An RCD absorption circuit and a filtering capacitor are utilized by the current doubler rectification module, thereby effectively absorbing switch ripples of a Schottky diode, reducing an output ripple coefficient and total harmonic wave current, and greatly improving the reliability of a high-power rectification circuit.
Description
Technical field
The utility model relates to the power technology field, relates in particular to a kind of high-current switch power supply and high-current switch power-supply system.
Background technology
At present, electrolysis, plating, storage battery etc. increase day by day to the demand of industrial power device output current, and therefore, it is particularly important that the design of high-current switch power supply seems.
Existing high-current switch power supply realization High-current output is mainly realized by following mode:
By the alternating current of electrical network by behind the Industrial Frequency Transformer buck or boost, by obtaining high power DC output after the rectification in parallel of a plurality of rectifier transformers, but current efficiency that there is the complete machine output voltage in it is low, power factor is little, bulky, the shortcoming such as quality is heavy, electric energy is seriously polluted, and existing high-current switch power supply reliability and validity are poor.
The utility model content
The utility model embodiment provides a kind of high-current switch power supply and high-current switch power-supply system, is used for improving reliability and the validity of high-current switch power supply.
For solving the problems of the technologies described above, the utility model embodiment provides following technical scheme:
A kind of high-current switch power supply comprises:
Be used for the three-phase ac signal of input is converted into the rectification module of direct current signal, wherein, above-mentioned rectification module comprises: for the electromagnetic interference power filter that the three-phase ac signal of above-mentioned input is carried out filtering, and be connected with the output of above-mentioned electromagnetic interference power filter, for the rectification circuit that the input signal of above-mentioned electromagnetic interference power filter is carried out rectification, wherein, the output signal of above-mentioned rectification circuit is the output signal of above-mentioned rectification module;
Be connected with the output of above-mentioned rectification module, be used for the output signal of above-mentioned rectification module is converted into the power conversion module of AC signal, wherein, above-mentioned power conversion module is by passive soft switching snubber, single tube insulated gate bipolar transistor IGBT module and high frequency transformer circuits built;
Be connected with the above-mentioned IGBT module of above-mentioned power conversion module, be used for providing pulse width modulation (PWM) to drive the driver module of signal to above-mentioned power conversion module, in order to drive signal by adjusting said PWM, make above-mentioned power conversion module the output signal of above-mentioned rectification module is converted into the AC signal of different duty;
Be connected with the output of institute power conversion module, what be used for output signal rectification with above-mentioned power conversion module and be the heavy DC signal doubly flows rectification module, wherein, above-mentioned times of stream rectification module made up by Schottky diode, high-frequency inductor, RCD absorbing circuit and filter capacitor.
Further, above-mentioned power conversion module is comprised by passive soft switching snubber, single tube insulated gate bipolar transistor IGBT module and high frequency transformer circuits built:
Above-mentioned power conversion module is by the first passive soft switching snubber, the second passive soft switching snubber, an IGBT module, the 2nd IGBT module, the 3rd IGBT module, the 4th IGBT module and high frequency transformer circuits built;
Wherein, above-mentioned high frequency transformer circuit comprises:
High frequency transformer, the first high-frequency inductor and the first capacitance;
Above-mentioned the first high-frequency inductor is connected with the first branch road of above-mentioned high frequency transformer prime;
Above-mentioned the first capacitance is connected with the second branch road of above-mentioned high frequency transformer prime;
Wherein, above-mentioned the first passive soft switching snubber comprises:
The anode of above-mentioned diode 1 is connected with the cathode output end of above-mentioned rectification module;
The negative electrode of above-mentioned diode 1 respectively with an end of above-mentioned the first electric capacity be connected an end of the second electric capacity and be connected;
The other end of above-mentioned the first electric capacity respectively with the emitter of an above-mentioned IGBT module be connected the collector electrode of the 2nd IGBT module and be connected;
The other end of above-mentioned the second electric capacity respectively with an end of above-mentioned the 3rd electric capacity and the anodic bonding of above-mentioned diode 2;
The other end of above-mentioned the 3rd electric capacity is connected with the input of above-mentioned the first capacitance;
The negative electrode of above-mentioned diode 2 is connected with the cathode output end of above-mentioned rectification module;
Wherein, above-mentioned the second passive soft switching snubber comprises:
Diode 3, diode 4, the four electric capacity, the 5th electric capacity and the 6th electric capacity;
The anode of above-mentioned diode 3 is connected with the cathode output end of above-mentioned rectification module;
The negative electrode of above-mentioned diode 3 respectively with an end of above-mentioned the 4th electric capacity be connected an end of the 5th electric capacity and be connected;
The other end of above-mentioned the 4th electric capacity respectively with the emitter of above-mentioned the 3rd IGBT module be connected the collector electrode of the 4th IGBT module and be connected;
The other end of above-mentioned the 5th electric capacity respectively with an end of above-mentioned the 6th electric capacity and the anodic bonding of above-mentioned diode 4;
The other end of above-mentioned the 6th electric capacity is connected with the input of above-mentioned the first high-frequency inductor;
The negative electrode of above-mentioned diode 4 is connected with the cathode output end of above-mentioned rectification module;
Wherein, the collector electrode of an above-mentioned IGBT module is connected with the cathode output end of above-mentioned rectification module; The emitter of above-mentioned the 2nd IGBT module is connected with the cathode output end of above-mentioned rectification module, and the collector electrode of above-mentioned the 2nd IGBT module is connected with the emitter of an above-mentioned IGBT module; The collector electrode of above-mentioned the 3rd IGBT module is connected with the cathode output end of above-mentioned rectification module, and the emitter of above-mentioned the 3rd IGBT module is connected with the input of above-mentioned the first high-frequency inductor; The emitter of above-mentioned the 4th IGBT module is connected with the cathode output end of above-mentioned rectification module, and the collector electrode of above-mentioned the 4th IGBT module is connected with the emitter of above-mentioned the 3rd IGBT module;
Wherein, the output signal of above-mentioned high frequency transformer rear class is the output signal of above-mentioned power conversion module.
Further, above-mentioned times of stream rectification module made up by Schottky diode, high-frequency inductor, RCD absorbing circuit and filter capacitor, comprising:
Above-mentioned times of stream rectification module comprises Schottky diode 1, Schottky diode 2, Schottky diode 3, Schottky diode 4, the second high-frequency inductors, third high is inductance frequently, the one RCD absorbing circuit, the 2nd RCD absorbing circuit, the first filter capacitor and the second filter capacitor;
Wherein, an above-mentioned RCD absorbing circuit comprises:
Above-mentioned the 2nd RCD absorbing circuit comprises:
Diode 6, the eight electric capacity and the second resistance;
Wherein, the negative electrode of the negative electrode of above-mentioned Schottky diode 1, above-mentioned Schottky diode 2 is connected with the cathode output end of above-mentioned power conversion module respectively; The negative electrode of the negative electrode of above-mentioned Schottky diode 3, above-mentioned Schottky diode 4 is connected with the cathode output end of above-mentioned power conversion module respectively; The anode interconnect of the anode of the anode of the anode of above-mentioned Schottky diode 1, above-mentioned Xiao Te diode 2, above-mentioned Xiao Te diode 3 and above-mentioned Xiao Te diode 4;
Above-mentioned the second high-frequency inductor is connected on the positive pole output branch road of above-mentioned times of stream rectification module;
Above-mentioned third high frequently inductance is connected on the negative pole output branch road of above-mentioned times of stream rectification module;
Above-mentioned the first filter capacitor and the series connection of the second filter capacitor, and the end that above-mentioned the first filter capacitor is not connected with above-mentioned the second filter capacitor is connected with the output of above-mentioned the second high-frequency inductor, and the end that above-mentioned the second filter capacitor is not connected with above-mentioned the first filter capacitor is connected with the output of above-mentioned third high frequency inductance;
The anode of above-mentioned diode 5 is connected with the cathode output end of above-mentioned power conversion module;
The negative electrode of above-mentioned diode 5 respectively with an end of above-mentioned the 7th electric capacity be connected an end of the first resistance and be connected;
The other end of above-mentioned the first resistance is connected on the connection line of above-mentioned the first filter capacitor and above-mentioned the second filter capacitor;
The other end of above-mentioned the 7th electric capacity is connected with an end of above-mentioned the 8th electric capacity;
The other end of above-mentioned the 8th electric capacity respectively with an end of above-mentioned the second resistance and the anodic bonding of above-mentioned diode 6;
The other end of above-mentioned the second resistance is connected with the output of above-mentioned third high frequency inductance;
The negative electrode of above-mentioned diode 6 is connected with the cathode output end of above-mentioned power conversion module.
Further, above-mentioned driver module is made up by digital signal processor DSP.
A kind of high-current switch power-supply system is characterized in that, comprising:
Plural switch power module, wherein, above-mentioned plural switch power module is in parallel;
Wherein, above-mentioned switch power module comprises:
Be used for the three-phase ac signal of input is converted into the rectification module of direct current signal, wherein, above-mentioned rectification module comprises: for the electromagnetic interference power filter that the three-phase ac signal of above-mentioned input is carried out filtering, and be connected with the output of above-mentioned electromagnetic interference power filter, for the rectification circuit that the input signal of above-mentioned electromagnetic interference power filter is carried out rectification, wherein, the output signal of above-mentioned rectification circuit is the output signal of above-mentioned rectification module.
Be connected with the output of above-mentioned rectification module, be used for the output signal of above-mentioned rectification module is converted into the power conversion module of AC signal, wherein, above-mentioned power conversion module is by passive soft switching snubber, single tube insulated gate bipolar transistor IGBT module and high frequency transformer circuits built;
Be connected with the above-mentioned IGBT module of above-mentioned power conversion module, be used for providing pulse width modulation (PWM) to drive the driver module of signal to above-mentioned power conversion module, in order to drive signal by adjusting said PWM, make above-mentioned power conversion module the direct current signal of above-mentioned rectification module output is converted into the AC signal of different duty;
Be connected with the output of above-mentioned rectification module, what be used for output signal rectification with above-mentioned power conversion module and be the heavy DC signal doubly flows rectification module, wherein, above-mentioned times of stream rectification module made up by Schottky diode, high-frequency inductor, RCD absorbing circuit and filter capacitor.
Therefore, in the high-current switch power supply of the utility model embodiment, on the one hand, rectification module carries out filtering by electromagnetic interference power filter to the three-phase ac signal of inputting, effectively prevent electromagnetic interference, improved the operational reliability of high-current switch power supply; On the other hand, provide PWM to drive signal by driver module to the power conversion module, can realize the control to the duty ratio of the output signal of power conversion module, the power conversion module adopts the passive soft switching snubber technology, make IGBT module realization no-voltage open zero-current switching, widened the IGBT safety operation area, reduced the power device switching loss, save electric energy, improved overall efficiency, power factor and useful life; On the one hand, doubly flow rectification module and utilized RCD absorbing circuit and filter capacitor again, effectively absorb the switching harmonics of Schottky diode, reduce output ripple coefficient and harmonic wave total current, greatly improved the reliability of high power rectification circuit.To sum up, the high-current switch power supply among the utility model embodiment has the characteristics of reliability and validity.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Example structure schematic diagram of high-current switch power supply that Fig. 1 provides for the utility model embodiment;
Embodiment circuit theory diagrams of rectification module that Fig. 2 provides for the utility model embodiment;
Embodiment circuit theory diagrams of power conversion module that Fig. 3 provides for the utility model embodiment;
Fig. 4 doubly flows embodiment circuit theory diagrams of rectification module for what the utility model embodiment provided;
Example structure schematic diagram of high-current switch power-supply system that Fig. 5 provides for the utility model embodiment.
Embodiment
Along with Economic Development Mode and industrial structure upgrading transition, the requirement of energy-saving and emission-reduction becomes social consensus, have benefited from the development of power electronic device and Semiconductor Converting Technology, it is a kind of feasible means of row that the requirement that the application of by high frequency transformer, power conversion circuit, doubly flowing commutation technique etc. reaches energy-saving and emission-reduction to traditional energy consumption upgrading has been proved.
The utility model embodiment provides a kind of high-current switch power supply and high-current switch power-supply system.
For so that utility model purpose of the present utility model, feature, advantage can be more obvious and understandable, below in conjunction with the accompanying drawing among the utility model embodiment, technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, but not whole embodiment.
The below is described a kind of high-current switch power supply among the utility model embodiment, sees also Fig. 1, and the high-current switch power supply 100 among the utility model embodiment comprises:
Wherein, rectification module 101 is used for the three-phase ac signal of input is converted into direct current signal, wherein, rectification module 101 comprises: for the electromagnetic interference (EMI that the three-phase ac signal of inputting is carried out filtering, Electro Magnetic Interference) power-supply filter, and be connected with the output of EMI power-supply filter, for the rectification circuit that the input signal of this EMI power-supply filter is carried out rectification, wherein, the output signal of above-mentioned rectification circuit is the output signal of rectification module 101.
Be illustrated in figure 2 as the circuit theory diagrams of rectification module 101, EMI power-supply filter 1011 is connected with W with U phase, the V phase of three-phase alternating-current supply, EMI power-supply filter 1011 exports filtered signal to rectification circuit 1012 and carries out rectification, and rectification circuit 1012 (is comprised of such as the D1 among Fig. 2 ~ D6) and 1 filter capacitor (such as the C1 among Fig. 2) 6 diodes.The signal of 1012 pairs of EMI power-supply filters of rectification circuit, 1011 inputs carries out exporting after the rectification.
Concrete, power conversion module 102 is by the first passive soft switching snubber, the second passive soft switching snubber, an IGBT module, the 2nd IGBT module, the 3rd IGBT module, the 4th IGBT module and high frequency transformer circuits built.The circuit theory diagrams of power conversion module 102 can be as shown in Figure 3, wherein, above-mentioned high frequency transformer circuit comprises: high frequency transformer (T1 as shown in Figure 3), the first high-frequency inductor (L1 as shown in Figure 3) and the first capacitance (C8 as shown in Figure 3); L1 connects with the first branch road of T1 prime; C8 connects with the second branch road of T1 prime.Wherein, above-mentioned the first passive soft switching snubber comprises: diode 1(D8 as shown in Figure 3), diode 2(D7 as shown in Figure 3), the first electric capacity (C4 as shown in Figure 3), the second electric capacity (C2 as shown in Figure 3) and the 3rd electric capacity (C3 as shown in Figure 3); The anode of D8 is connected with the cathode output end of above-mentioned rectification module; The negative electrode of D8 is connected an end with the end of C4 respectively and is connected with C2; The other end of C4 is connected with the emitter of an above-mentioned IGBT module (Q 1 as shown in Figure 3) and the collector electrode of the 2nd IGBT module (Q2 as shown in Figure 3) respectively; The other end of C2 respectively with the end of C3 and the anodic bonding of D7; The other end of C3 is connected with the input of C8; The negative electrode of D7 is connected with the cathode output end of above-mentioned rectification module.Wherein, above-mentioned the second passive soft switching snubber comprises: diode 3(D10 as shown in Figure 3), diode 4(D9 as shown in Figure 3), the 4th electric capacity (C7 as shown in Figure 3), the 5th electric capacity (C5 as shown in Figure 3) and the 6th electric capacity (C6 as shown in Figure 3); The anode of D10 is connected with the cathode output end of above-mentioned rectification module; The negative electrode of D10 is connected an end with the end of C7 respectively and is connected with C5; The other end of C7 respectively with the emitter of above-mentioned the 3rd IGBT module (Q3 as shown in Figure 3) be connected the collector electrode of the 4th IGBT module (Q4 as shown in Figure 3) and be connected; The other end of C5 respectively with the end of C6 and the anodic bonding of D9; The other end of C6 is connected with the input of L1; The negative electrode of D9 is connected with the cathode output end of above-mentioned rectification module.Wherein, the collector electrode of Q1 is connected with the cathode output end of above-mentioned rectification module; The emitter of Q2 is connected with the cathode output end of above-mentioned rectification module, and the collector electrode of Q2 is connected with the emitter of Q1; The collector electrode of Q3 is connected with the cathode output end of above-mentioned rectification module, and the emitter of Q3 is connected with the input of L1; The emitter of Q4 is connected with the cathode output end of above-mentioned rectification module, and the collector electrode of Q4 is connected with the emitter of Q3.Wherein, the output signal of T1 rear class is the output signal of power conversion module 102.Need to prove that as shown in Figure 2, Q1 and Q2 are realized by a Dual module IGBT who comprises 7 pins, Q3 and Q4 are realized by a Dual module IGBT who comprises 7 pins, in actual applications, Q1, Q2, Q3 and Q4 also can be by 4 independently single module IGBT realizations, are not construed as limiting herein.
Doubly flowing rectification module 103 is connected with the output of power conversion module 102, doubly flowing rectification module 103 is the heavy DC signal for the output signal rectification with power conversion module 102, wherein, doubly flowing rectification module 103 is made up by Schottky diode, high-frequency inductor, RCD absorbing circuit and filter capacitor.
Concrete, doubly flow rectification module 103 and comprise Schottky diode 1, Schottky diode 2, Schottky diode 3, Schottky diode 4, the second high-frequency inductors, third high is inductance frequently, the one RCD absorbing circuit, the 2nd RCD absorbing circuit, the first filter capacitor and the second filter capacitor., the circuit theory diagrams that doubly flow rectification module 103 can be as shown in Figure 4, and wherein, an above-mentioned RCD absorbing circuit comprises: diode 5(D15 as shown in Figure 4), the 7th electric capacity (C9 as shown in Figure 4) and the first resistance (R1 as shown in Figure 4); Above-mentioned the 2nd RCD absorbing circuit comprises: diode 6(D16 as shown in Figure 4), and the 8th electric capacity (C10 as shown in Figure 4) and the second resistance (R2 as shown in Figure 4); Wherein, negative electrode Schottky diode 1(D11 as shown in Figure 4), Schottky diode 2(D13 as shown in Figure 4) negative electrode be connected with the cathode output end of power conversion module 102 respectively; Schottky diode 3(D12 as shown in Figure 4) negative electrode, Schottky diode 4(D14 as shown in Figure 4) negative electrode be connected with the cathode output end of power conversion module 102 respectively; The anode of the anode of D11, the anode of D13, D12 and the anode interconnect of D14; Above-mentioned the second high-frequency inductor (L3 as shown in Figure 4) is connected on the positive pole output branch road that doubly flows rectification module 103; Above-mentioned third high frequently inductance (L2 as shown in Figure 4) is connected on the negative pole output branch road that doubly flows rectification module 103; The series connection of above-mentioned the first filter capacitor (C12 as shown in Figure 4) and above-mentioned the second filter capacitor (C11 as shown in Figure 4), and the end that C12 is not connected with C11 is connected with the output of L3, and the end that C11 is not connected with C12 is connected with the output of L2; The anode of D15 is connected with the cathode output end of power conversion module 102; The negative electrode of the D15 respectively end of C9 is connected an end and is connected with R1; The other end of R1 is connected on the connection line of C12 and C11; The other end of C9 is connected with the end of C 10; The other end of C10 respectively with the end of R2 and the anodic bonding of D16; The other end of R2 is connected with the output of L2; The negative electrode of D16 is connected with the cathode output end of power conversion module 102.
Driver module 104 is connected with IGBT module in the power conversion module 102, be used for providing pulse width modulation (PWM to the power conversion module, Pulse Width Modulation) drives signal, drive signal in order to state the PWM of driver module 104 outputs by adjustment, cut-offfing of control IGBT module makes power conversion module 102 output signal of rectification module 101 is converted into the AC signal of different duty.In the utility model embodiment, driver module 104 is made up by digital signal processor (DSP, Digital Signal Processing), and certainly, driver module 104 also can be made up by other processor, is not construed as limiting herein.The peripheral circuit of driver module 104 drives signal formation and amplifying circuit, IGBT conservation treatment circuit etc. by PWM and forms.In the utility model embodiment, in conjunction with Fig. 2, then driver module 104 can connect respectively the pin 4 and 5 of Q1, the pin 6 and 7 of Q2, the pin 4 and 5 of Q3, the pin 6 and 7 of Q4, driver module 104 is controlled respectively the pin 3 and 1 of Q1, the pin 1 and 2 of Q2, pin 3 and 1, the pin 1 of Q4 and 2 turn on and off of Q3 by driving signal to Q1, Q2, Q3 and Q4 input PWM respectively.
High-current switch power supply 100 among the utility model embodiment can be applied to industrial power field and the large-capacity battery charge power supply fields such as electrolysis, plating.
Therefore, in the high-current switch power supply of the utility model embodiment, on the one hand, rectification module carries out filtering by electromagnetic interference power filter to the three-phase ac signal of inputting, effectively prevent electromagnetic interference, improved the operational reliability of high-current switch power supply; On the other hand, provide PWM to drive signal by driver module to the power conversion module, can realize the control to the duty ratio of the output signal of power conversion module, the power conversion module adopts the passive soft switching snubber technology, make IGBT module realization no-voltage open zero-current switching, widened the IGBT safety operation area, reduced the power device switching loss, save electric energy, improved overall efficiency, power factor and useful life; On the one hand, doubly flow rectification module and utilized RCD absorbing circuit and filter capacitor again, effectively absorb the switching harmonics of Schottky diode, reduce output ripple coefficient and harmonic wave total current, greatly improved the reliability of high power rectification circuit.To sum up, the high-current switch power supply among the utility model embodiment has the characteristics of reliability and validity.
In addition, the rectification module that doubly flows among the utility model embodiment adopts novel times of stream commutation technique, and with under the texts, with respect to full-wave rectification and full-bridge rectification, Schottky diode quantity reduces half, therefore can reduce production costs widely; Power conversion module among the utility model embodiment adopts the passive soft switching snubber technology, and the nondestructive buffering network that is made of noninductive electric capacity and diode consists of LC resonance with the leakage inductance of auxiliary induction and high frequency transformer, and control simply.
The utility model embodiment also provides a kind of high-current switch power-supply system, and as shown in Figure 5, high-current switch power-supply system 50 is comprised of N switch power module, and wherein, the N value is for being greater than or equal to 2.Wherein, the composition structure of the switch power module 1 ~ N among the utility model embodiment can be with reference to the switch power module shown in Fig. 2 ~ 4.
More than a kind of high-current switch power supply provided by the utility model and high-current switch power-supply system are described in detail, for one of ordinary skill in the art, thought according to the utility model embodiment, all will change in specific embodiments and applications, to sum up, this description should not be construed as restriction of the present utility model.
Claims (8)
1. a high-current switch power supply is characterized in that, comprising:
Be used for the three-phase ac signal of input is converted into the rectification module of direct current signal, wherein, described rectification module comprises: for the electromagnetic interference power filter that the three-phase ac signal of described input is carried out filtering, and be connected with the output of described electromagnetic interference power filter, for the rectification circuit that the input signal of described electromagnetic interference power filter is carried out rectification, wherein, the output signal of described rectification circuit is the output signal of described rectification module;
Be connected with the output of described rectification module, be used for the output signal of described rectification module is converted into the power conversion module of AC signal, wherein, described power conversion module is by passive soft switching snubber, single tube insulated gate bipolar transistor IGBT module and high frequency transformer circuits built;
Be connected with the described IGBT module of described power conversion module, be used for providing pulse width modulation (PWM) to drive the driver module of signal to described power conversion module, in order to drive signal by adjusting described PWM, make described power conversion module the output signal of described rectification module is converted into the AC signal of different duty;
Be connected with the output of institute power conversion module, what be used for output signal rectification with described power conversion module and be the heavy DC signal doubly flows rectification module, wherein, described times of stream rectification module made up by Schottky diode, high-frequency inductor, RCD absorbing circuit and filter capacitor.
2. dc charging motor according to claim 1 is characterized in that,
Described power conversion module is comprised by passive soft switching snubber, single tube insulated gate bipolar transistor IGBT module and high frequency transformer circuits built:
Described power conversion module is by the first passive soft switching snubber, the second passive soft switching snubber, an IGBT module, the 2nd IGBT module, the 3rd IGBT module, the 4th IGBT module and high frequency transformer circuits built;
Wherein, described high frequency transformer circuit comprises:
High frequency transformer, the first high-frequency inductor and the first capacitance;
Described the first high-frequency inductor is connected with the first branch road of described high frequency transformer prime;
Described the first capacitance is connected with the second branch road of described high frequency transformer prime;
Wherein, described the first passive soft switching snubber comprises:
Diode 1, diode 2, the first electric capacity, the second electric capacity and the 3rd electric capacity;
The anode of described diode 1 is connected with the cathode output end of described rectification module;
The negative electrode of described diode 1 respectively with an end of described the first electric capacity be connected an end of the second electric capacity and be connected;
The other end of described the first electric capacity respectively with the emitter of a described IGBT module be connected the collector electrode of the 2nd IGBT module and be connected;
The other end of described the second electric capacity respectively with an end of described the 3rd electric capacity and the anodic bonding of described diode 2;
The other end of described the 3rd electric capacity is connected with the input of described the first capacitance;
The negative electrode of described diode 2 is connected with the cathode output end of described rectification module;
Wherein, described the second passive soft switching snubber comprises:
Diode 3, diode 4, the four electric capacity, the 5th electric capacity and the 6th electric capacity;
The anode of described diode 3 is connected with the cathode output end of described rectification module;
The negative electrode of described diode 3 respectively with an end of described the 4th electric capacity be connected an end of the 5th electric capacity and be connected;
The other end of described the 4th electric capacity respectively with the emitter of described the 3rd IGBT module be connected the collector electrode of the 4th IGBT module and be connected;
The other end of described the 5th electric capacity respectively with an end of described the 6th electric capacity and the anodic bonding of described diode 4;
The other end of described the 6th electric capacity is connected with the input of described the first high-frequency inductor;
The negative electrode of described diode 4 is connected with the cathode output end of described rectification module;
Wherein, the collector electrode of a described IGBT module is connected with the cathode output end of described rectification module; The emitter of described the 2nd IGBT module is connected with the cathode output end of described rectification module, and the collector electrode of described the 2nd IGBT module is connected with the emitter of a described IGBT module; The collector electrode of described the 3rd IGBT module is connected with the cathode output end of described rectification module, and the emitter of described the 3rd IGBT module is connected with the input of described the first high-frequency inductor; The emitter of described the 4th IGBT module is connected with the cathode output end of described rectification module, and the collector electrode of described the 4th IGBT module is connected with the emitter of described the 3rd IGBT module;
Wherein, the output signal of described high frequency transformer rear class is the output signal of described power conversion module.
3. high-current switch power supply according to claim 1 and 2 is characterized in that,
Described times of stream rectification module made up by Schottky diode, high-frequency inductor, RCD absorbing circuit and filter capacitor, comprising:
Described times of stream rectification module comprises Schottky diode 1, Schottky diode 2, Schottky diode 3, Schottky diode 4, the second high-frequency inductors, third high is inductance frequently, the one RCD absorbing circuit, the 2nd RCD absorbing circuit, the first filter capacitor and the second filter capacitor;
Wherein, a described RCD absorbing circuit comprises:
Diode 5, the seven electric capacity and the first resistance;
Described the 2nd RCD absorbing circuit comprises:
Diode 6, the eight electric capacity and the second resistance;
Wherein, the negative electrode of the negative electrode of described Schottky diode 1, described Schottky diode 2 is connected with the cathode output end of described power conversion module respectively; The negative electrode of the negative electrode of described Schottky diode 3, described Schottky diode 4 is connected with the cathode output end of described power conversion module respectively; The anode interconnect of the anode of the anode of the anode of described Schottky diode 1, described Xiao Te diode 2, described Xiao Te diode 3 and described Xiao Te diode 4;
Described the second high-frequency inductor is connected on the positive pole output branch road of described times of stream rectification module;
Described third high frequently inductance is connected on the negative pole output branch road of described times of stream rectification module;
Described the first filter capacitor and the series connection of the second filter capacitor, and the end that described the first filter capacitor is not connected with described the second filter capacitor is connected with the output of described the second high-frequency inductor, and the end that described the second filter capacitor is not connected with described the first filter capacitor is connected with the output of described third high frequency inductance;
The anode of described diode 5 is connected with the cathode output end of described power conversion module;
The negative electrode of described diode 5 respectively with an end of described the 7th electric capacity be connected an end of the first resistance and be connected;
The other end of described the first resistance is connected on the connection line of described the first filter capacitor and described the second filter capacitor;
The other end of described the 7th electric capacity is connected with an end of described the 8th electric capacity;
The other end of described the 8th electric capacity respectively with an end of described the second resistance and the anodic bonding of described diode 6;
The other end of described the second resistance is connected with the output of described third high frequency inductance;
The negative electrode of described diode 6 is connected with the cathode output end of described power conversion module.
4. high-current switch power supply according to claim 1 and 2 is characterized in that,
Described driver module is made up by digital signal processor DSP.
5. a high-current switch power-supply system is characterized in that, comprising:
Plural switch power module, wherein, described plural switch power module is in parallel;
Wherein, described switch power module comprises:
Be used for the three-phase ac signal of input is converted into the rectification module of direct current signal, wherein, described rectification module comprises: for the electromagnetic interference power filter that the three-phase ac signal of described input is carried out filtering, and be connected with the output of described electromagnetic interference power filter, for the rectification circuit that the input signal of described electromagnetic interference power filter is carried out rectification, wherein, the output signal of described rectification circuit is the output signal of described rectification module.
Be connected with the output of described rectification module, be used for the output signal of described rectification module is converted into the power conversion module of AC signal, wherein, described power conversion module is by passive soft switching snubber, single tube insulated gate bipolar transistor IGBT module and high frequency transformer circuits built;
Be connected with the described IGBT module of described power conversion module, be used for providing pulse width modulation (PWM) to drive the driver module of signal to described power conversion module, in order to drive signal by adjusting described PWM, make described power conversion module the direct current signal of described rectification module output is converted into the AC signal of different duty;
Be connected with the output of described rectification module, what be used for output signal rectification with described power conversion module and be the heavy DC signal doubly flows rectification module, wherein, described times of stream rectification module made up by Schottky diode, high-frequency inductor, RCD absorbing circuit and filter capacitor.
6. high-current switch power-supply system according to claim 5 is characterized in that,
Described power conversion module is comprised by passive soft switching snubber, single tube insulated gate bipolar transistor IGBT module and high frequency transformer circuits built:
Described power conversion module is by the first passive soft switching snubber, the second passive soft switching snubber, an IGBT module, the 2nd IGBT module, the 3rd IGBT module, the 4th IGBT module and high frequency transformer circuits built;
Wherein, described high frequency transformer circuit comprises:
High frequency transformer, the first high-frequency inductor and the first capacitance;
Described the first high-frequency inductor is connected with the first branch road of described high frequency transformer prime;
Described the first capacitance is connected with the second branch road of described high frequency transformer prime;
Wherein, described the first passive soft switching snubber comprises:
Diode 1, diode 2, the first electric capacity, the second electric capacity and the 3rd electric capacity;
The anode of described diode 1 is connected with the cathode output end of described rectification module;
The negative electrode of described diode 1 respectively with an end of described the first electric capacity be connected an end of the second electric capacity and be connected;
The other end of described the first electric capacity respectively with the emitter of a described IGBT module be connected the collector electrode of the 2nd IGBT module and be connected;
The other end of described the second electric capacity respectively with an end of described the 3rd electric capacity and the anodic bonding of described diode 2;
The other end of described the 3rd electric capacity is connected with the input of described the first capacitance;
The negative electrode of described diode 2 is connected with the cathode output end of described rectification module;
Wherein, described the second passive soft switching snubber comprises:
Diode 3, diode 4, the four electric capacity, the 5th electric capacity and the 6th electric capacity;
The anode of described diode 3 is connected with the cathode output end of described rectification module;
The negative electrode of described diode 3 respectively with an end of described the 4th electric capacity be connected an end of the 5th electric capacity and be connected;
The other end of described the 4th electric capacity respectively with the emitter of described the 3rd IGBT module be connected the collector electrode of the 4th IGBT module and be connected;
The other end of described the 5th electric capacity respectively with an end of described the 6th electric capacity and the anodic bonding of described diode 4;
The other end of described the 6th electric capacity is connected with the input of described the first high-frequency inductor;
The negative electrode of described diode 4 is connected with the cathode output end of described rectification module;
Wherein, the collector electrode of a described IGBT module is connected with the cathode output end of described rectification module; The emitter of described the 2nd IGBT module is connected with the cathode output end of described rectification module, and the collector electrode of described the 2nd IGBT module is connected with the emitter of a described IGBT module; The collector electrode of described the 3rd IGBT module is connected with the cathode output end of described rectification module, and the emitter of described the 3rd IGBT module is connected with the input of described the first high-frequency inductor; The emitter of described the 4th IGBT module is connected with the cathode output end of described rectification module, and the collector electrode of described the 4th IGBT module is connected with the emitter of described the 3rd IGBT module;
Wherein, the output signal of described high frequency transformer rear class is the output signal of described power conversion module.
7. according to claim 5 or 6 described high-current switch power-supply systems, it is characterized in that,
Described times of stream rectification module made up by Schottky diode, high-frequency inductor, RCD absorbing circuit and filter capacitor, comprising:
Described times of stream rectification module comprises Schottky diode 1, Schottky diode 2, Schottky diode 3, Schottky diode 4, the second high-frequency inductors, third high is inductance frequently, the one RCD absorbing circuit, the 2nd RCD absorbing circuit, the first filter capacitor and the second filter capacitor;
Wherein, a described RCD absorbing circuit comprises:
Diode 5, the seven electric capacity and the first resistance;
Described the 2nd RCD absorbing circuit comprises:
Diode 6, the eight electric capacity and the second resistance;
Wherein, the negative electrode of the negative electrode of described Schottky diode 1, described Schottky diode 2 is connected with the cathode output end of described power conversion module respectively; The negative electrode of the negative electrode of described Schottky diode 3, described Schottky diode 4 is connected with the cathode output end of described power conversion module respectively; The anode interconnect of the anode of the anode of the anode of described Schottky diode 1, described Xiao Te diode 2, described Xiao Te diode 3 and described Xiao Te diode 4;
Described the second high-frequency inductor is connected on the positive pole output branch road of described power conversion circuit;
Described third high frequently inductance is connected on the negative pole output branch road of described power conversion circuit;
Described the first filter capacitor and the series connection of the second filter capacitor, and the end that described the first filter capacitor is not connected with described the second filter capacitor is connected with the output of described the second high-frequency inductor, and the end that described the second filter capacitor is not connected with described the first filter capacitor is connected with the output of described third high frequency inductance;
The anode of described diode 5 is connected with the cathode output end of described power conversion module;
The negative electrode of described diode 5 respectively with an end of described the 7th electric capacity be connected an end of the first resistance and be connected;
The other end of described the first resistance is connected on the connection line of described the first filter capacitor and described the second filter capacitor;
The other end of described the 7th electric capacity is connected with an end of described the 8th electric capacity;
The other end of described the 8th electric capacity respectively with an end of described the second resistance and the anodic bonding of described diode 6;
The other end of described the second resistance is connected with the output of described third high frequency inductance;
The negative electrode of described diode 6 is connected with the cathode output end of described power conversion module.
8. according to claim 5 or 6 described high-current switch power-supply systems, it is characterized in that,
Described driver module is made up by digital signal processor DSP.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202154585U CN202737745U (en) | 2012-05-14 | 2012-05-14 | Heavy-current switch power supply and heavy-current switch power supply system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202154585U CN202737745U (en) | 2012-05-14 | 2012-05-14 | Heavy-current switch power supply and heavy-current switch power supply system |
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| CN202737745U true CN202737745U (en) | 2013-02-13 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102664527A (en) * | 2012-05-14 | 2012-09-12 | 株洲泰格豪斯工具系统有限公司 | High-current switch power supply and high-current switch power supply system |
| US11259413B2 (en) | 2018-04-05 | 2022-02-22 | Abb Power Electronics Inc. | Inductively balanced power supply circuit and method of manufacture |
-
2012
- 2012-05-14 CN CN2012202154585U patent/CN202737745U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102664527A (en) * | 2012-05-14 | 2012-09-12 | 株洲泰格豪斯工具系统有限公司 | High-current switch power supply and high-current switch power supply system |
| US11259413B2 (en) | 2018-04-05 | 2022-02-22 | Abb Power Electronics Inc. | Inductively balanced power supply circuit and method of manufacture |
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