CN103746439A - Energy-saving type storage battery formation charge and discharge power supply - Google Patents
Energy-saving type storage battery formation charge and discharge power supply Download PDFInfo
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- CN103746439A CN103746439A CN201310703392.3A CN201310703392A CN103746439A CN 103746439 A CN103746439 A CN 103746439A CN 201310703392 A CN201310703392 A CN 201310703392A CN 103746439 A CN103746439 A CN 103746439A
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Abstract
The invention discloses an energy-saving type storage battery formation charge and discharge power supply which is rapid in response speed, simple in circuit and convenient to adjust, and capable of realizing positive and negative pulse charging and discharging, and realizing constant current charging and discharging. The energy-saving type storage battery formation charge and discharge power supply comprises a power supply transformer, a three-phase rectifier bridge and a DC bus unit. The output end of the power supply transformer is connected with the input end of the three-phase rectifier bridge. The output end of the three-phase rectifier bridge is connected with the DC bus unit which is connected with at least one pair of charge and discharge units. Each charge and discharge unit comprises one reversible charge circuit and one discharge circuit. The input end of the charge circuit is connected with a positive DC bus. The output end of the discharge circuit and the negative electrode output end of the charge and discharge unit are connected with a negative DC bus. The output end of the charge circuit is connected with the input end of the discharge circuit and then connected with the positive electrode output end of the charge and discharge unit. The power factor of the energy-saving type storage battery formation charge and discharge power supply is greater than 0.92.
Description
Technical field
The present invention relates to a kind of charging/discharging apparatus for the production of storage battery, refer more particularly to changing into and discharge and recharge power supply wherein.
Background technology
At present, the power supply that discharges and recharges using when storage battery is changed into is mainly comprised of power transformer, controllable silicon full-controlled rectifier device and conditioning controller, and conditioning controller is mainly used to regulate the parameters such as charging/discharging voltage, electric current and controls controllable silicon phase shift and trigger.This traditional shortcoming that discharges and recharges power supply is: be difficult to reach the more accurate and complicated requirement that the advanced forming technology of storage battery proposes charging and discharging currents waveform key element, and the time that changes into is long, charge efficiency is low, power consumption is large, power factor is low.In addition, the pulsed of using at present discharges and recharges in power supply, conventionally adopts resistance or alternate manner electric discharge, causes energy waste; And, whole control circuit complexity, manufacturing cost is higher, and power consumption is larger.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of fast response time, circuit simple, easy to adjust, not only can realize positive negative pulse stuffing and discharge and recharge, but also can realize the energy-saving accumulated electric power source of constant current charge-discharge.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of energy-saving accumulated electric power source, comprise: power transformer, three-phase commutation bridge and DC bus unit, the output of power transformer is connected with the input of three-phase commutation bridge, the output of three-phase commutation bridge is connected with DC bus unit, DC bus unit is connected with at least one pair of charge/discharge unit, each charge/discharge unit comprises: a reversible charging circuit and a discharge circuit, the input of charging circuit is connected with positive direct-current bus, the output of discharge circuit is all connected with negative DC bus with the cathode output end of charge/discharge unit, after the output of charging circuit is connected with the input of discharge circuit, be connected to the cathode output end of charge/discharge unit.
Charging circuit in described charge/discharge unit and discharge circuit all adopt full control electric power electronic module.
The primary coil group of described power transformer is that triangular form connects, and secondary is provided with two secondary coil groups, and wherein, a secondary coil group triangular form connects, the star-like connection of another secondary coil group.
Between the output of described charging circuit and the junction of the input of discharge circuit and the cathode output end of charge/discharge unit, be connected in series energy storage inductor.
Between described three-phase commutation bridge and DC bus, be provided with filter.
Described filter comprises: the filter resistance connecting together and filter capacitor.
Between the positive direct-current bus of described DC bus unit and negative DC bus, be also provided with bus discharge unit.
Described bus discharge unit comprises: the controllable electronic switch being serially connected and discharge resistance.
Described controllable electronic switch is full-control type power electronic module.
The invention has the beneficial effects as follows: owing to having adopted reversible charging circuit, realized alternately discharging and recharging of charge/discharge unit, electric energy is fully utilized, reduced energy waste; And, at positive negative pulse stuffing, discharging and recharging and change in working method, the polarization of the battery pole plates that positive pulse produces can be eliminated in time by negative pulse, thereby has improved charge acceptance, has reduced the consumption of electric energy, can save energy more than 30%; Saving changes into the time more than 30%; Also reduced the temperature rise of battery, reduced sour gas and separate out, reduced the pollution to atmospheric environment simultaneously; And the positive negative pulse stuffing that frequency is very high can make the activation grade of active material in storage battery increase, thereby can improve the capacity of storage battery.In addition, charging circuit in described charge/discharge unit and discharge circuit have all adopted full control electric power electronic module, cooperation is with conventional pwm control circuit, both can realize the working method that changes into that positive negative pulse stuffing discharges and recharges, also can realize the working method that changes into of permanent DC charging, permanent direct-current discharge, and the width of positive and negative pulse and amplitude are all adjustable, regulate very conveniently, circuit is very simple; By the former and deputy limit of power transformer being arranged to the mixed structure of △/Y and Δ/Δ, power network current waveform is approached sinusoidal, odd harmonic reduces greatly, thereby significantly improved power network current waveform, reduced the loss of power supply unit, circuit and charging device itself, and, can realize easily compensation of power factor.Owing to being provided with bus discharge unit, in charge/discharge unit electric discharge time-histories, when the electric energy of positive and negative DC bus has more than needed, that is: when the voltage of positive direct-current bus has the trend of rising, direct current more than needed consumes by bus discharge unit, make the harmonic pollution of electrical network greatly reduce, power factor (PF) is greater than 0.92.
Accompanying drawing explanation
Fig. 1 is electric functional-block diagram of the present invention.
Fig. 2 is part electricity theory structure schematic diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, describe the specific embodiments of energy-saving accumulated electric power source of the present invention in detail:
As Fig. 1, shown in Fig. 2, energy-saving accumulated electric power source of the present invention, its structure comprises: the power transformer T1 that its former limit is connected with electric network source, the primary coil group of power transformer T1 is that triangular form connects, secondary is provided with two secondary coil groups that power is equal, wherein, a secondary coil group triangular form connects, the star-like connection of another secondary coil group, two secondary coil groups of power transformer T1 are connected with respectively three-phase commutation bridge Z1 and Z2, the identical output of three-phase commutation bridge Z1 and Z2 and connect after just, negative output terminal A1 and B1 respectively with DC bus unit 5 just, negative DC bus A+ is connected with B mono-, just, bear on DC bus A+ and B mono-and be connected to the filter 3 being formed by filter capacitor C1 and filter resistance R1, filter capacitor C1 not only has smothing filtering effect, and, can also store certain energy, on positive and negative DC bus A+ and B mono-, be also parallel with the first charge/discharge unit 6, multiple charge/discharge units such as the second charge/discharge unit 7, this charge/discharge unit is also referred to as high-frequency PWM translation circuit, every road charge/discharge unit comprises: a reversible charging circuit and a discharge circuit, charging circuit and discharge circuit all adopt full-control type power electronic module, in the present embodiment, reversible charging circuit mainly consists of (in the first charge/discharge unit 6 and the second charge/discharge unit 7 IGBT of a built-in backward diode, this IGBT refers to respectively power tube Q11 and Q21), can certainly adopt the IGBT that there is no backward diode, backward diode is external, discharge circuit mainly consists of (in the first charge/discharge unit 6 and the second charge/discharge unit 7 IGBT, this IGBT refers to respectively power tube Q12 and Q22), the input of two charging circuits is that the collector electrode of power tube Q11 and Q21 is connected with positive direct-current bus A+, the output of two discharge circuits is that the emitter of power tube Q12 and Q22 and the cathode output end of the first charge/discharge unit 6 and the second charge/discharge unit 7 are connected with negative DC bus B mono-, the output of each charging circuit is connected to the cathode output end of charge/discharge unit after being connected with the input of discharge circuit, that is: the emitter of power tube Q11 connects the cathode output end of the first charge/discharge unit 6 after being connected with the collector electrode of power tube Q12, the emitter of power tube Q21 connects the cathode output end of the second charge/discharge unit 7 after being connected with the collector electrode of power tube Q22, between positive and negative DC bus A+ and B mono-, go back and be connected to the discharge resistance R0 being serially connected and the bus discharge unit 4 forming as the insulated gate bipolar transistor npn npn Q0 of controllable electronic switch.
During practical application, can be according to the size of the kind of produced storage battery, power etc. because usually determining the way that discharges and recharges power supply medium-high frequency PWM translation circuit, the storage battery that needs are changed into is connected to the output of high-frequency PWM translation circuit.
Its operation principle is: the different operating mode of utilizing full-control type power electronic module Q11 and Q12, realize to storage battery different change into working method: when need be to the permanent DC charging of storage battery, make Q11 conducting, Q12 cut-off, now Q11 and energy-storage reactor L1 have just formed voltage-dropping type DC/DC converter, realize the permanent DC charging of storage battery; When need be to the permanent direct-current discharge of storage battery, make Q11 cut-off, Q12 conducting, now Q12 and energy-storage reactor L1 have just formed step-up DC/DC converter, realize the permanent direct-current discharge of storage battery; When need be to accumulator positive negative pulse charging, make conducting and the cut-off in turn of Q11 and Q12 gap, realize storage battery positive negative pulse stuffing charging change into working method.The regulating and controlling circuit of Q11 and Q12 can be adjusted respectively the operating state of Q11 and Q12, can also adjust respectively width and the amplitude of positive negative pulse stuffing, the technical property requirements discharging and recharging to realize pulse.
In foregoing circuit, adopted the full-control type power electronic module being comprised of insulated gate bipolar transistor npn npn (IGBT), this electric power electronic module all can high-frequency PWM mode be worked, and the loss of conducting and cut-off state is all very little, thereby operating efficiency is very high.
With battery B1, discharge below, battery B2 is charged as example, specifically describe the course of work of the present invention: when the power tube Q12 in the first charge/discharge unit 6 discharges to battery B1, power tube Q11 is in off state, power tube Q12 works in PWM mode, at power tube Q12 turn-on cycle, power flow energy storage inductor L1 in battery B1, and be stored in energy storage inductor L1, at power tube Q12, turn-off the cycle, the electric energy being stored in energy storage inductor L1 flows to positive direct-current bus by the backward diode of power tube Q11, by positive direct-current bus, flow to the power tube Q21 in the second charge/discharge unit 7 charging again, turn-on cycle at power tube Q21 charges to battery B2, the second charge/discharge unit 7 is in charging overall process, power tube Q22 is all the time in off state.Electric energy in battery B1 in discharge condition is just converted into the electric energy of battery B2 like this, electric energy is fully utilized between storage battery, certainly, in charge and discharge process alternately, when especially the above charge/discharge unit in You San road is worked, its electric energy of emitting and the impossible complete equipilibrium of the electric energy that needs input, when the electric energy of DC bus unit 5 has more than needed, that is: when the voltage of positive direct-current bus A+ has the trend of rising, on capacitor C1, there will be pump to rise overvoltage, now, it is bus discharge unit 4 that charge/discharge control circuit will be opened excess voltage protection, by discharge resistance R0, unnecessary electric energy is discharged, when the electric energy of DC bus unit 5 is not enough, by three-phase commutation bridge Z1 and Z2, worked, supplement in time.
Claims (9)
1. energy-saving accumulated electric power source, comprise: power transformer, three-phase commutation bridge and DC bus unit, the output of power transformer is connected with the input of three-phase commutation bridge, the output of three-phase commutation bridge is connected with DC bus unit, DC bus unit is connected with at least one pair of charge/discharge unit, each charge/discharge unit comprises: a reversible charging circuit and a discharge circuit, the input of charging circuit is connected with positive direct-current bus, the output of discharge circuit is all connected with negative DC bus with the cathode output end of charge/discharge unit, after the output of charging circuit is connected with the input of discharge circuit, be connected to the cathode output end of charge/discharge unit.
2. energy-saving accumulated electric power source according to claim 1, is characterized in that: the charging circuit in described charge/discharge unit and discharge circuit all adopt full control electric power electronic module.
3. energy-saving accumulated electric power source according to claim 1, it is characterized in that: the primary coil group of described power transformer is that triangular form connects, secondary is provided with two secondary coil groups, wherein, a secondary coil group triangular form connects, the star-like connection of another secondary coil group.
4. energy-saving accumulated electric power source according to claim 1, is characterized in that: between the output of described charging circuit and the junction of the input of discharge circuit and the cathode output end of charge/discharge unit, be connected in series energy storage inductor.
5. according to the energy-saving accumulated electric power source described in any one in claim 1 to 4, it is characterized in that: between described three-phase commutation bridge and DC bus, be provided with filter.
6. energy-saving accumulated electric power source according to claim 5, is characterized in that: described filter comprises: the filter resistance connecting together and filter capacitor.
7. according to the energy-saving accumulated electric power source described in any one in claim 1 to 4, it is characterized in that: between the positive direct-current bus of described DC bus unit and negative DC bus, be also provided with bus discharge unit.
8. according to the energy-saving accumulated electric power source described in any one in claim 1 to 4, it is characterized in that: described bus discharge unit comprises: the controllable electronic switch being serially connected and discharge resistance.
9. energy-saving accumulated electric power source according to claim 8, is characterized in that: described controllable electronic switch is full-control type power electronic module.
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| CN201310703392.3A CN103746439A (en) | 2013-12-19 | 2013-12-19 | Energy-saving type storage battery formation charge and discharge power supply |
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| CN201310703392.3A CN103746439A (en) | 2013-12-19 | 2013-12-19 | Energy-saving type storage battery formation charge and discharge power supply |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105048527A (en) * | 2014-04-25 | 2015-11-11 | 柯尼卡美能达株式会社 | Charging control device and image forming apparatus incorporating the same |
| CN106451658A (en) * | 2016-11-14 | 2017-02-22 | 泉州华威国维电子科技有限公司 | Charge/discharge control circuit for forming storage battery |
| CN104409787B (en) * | 2014-10-17 | 2018-09-07 | 苏州安靠电源有限公司 | The chemical synthesizing method of monomer secondary cell |
| CN109979739A (en) * | 2019-04-22 | 2019-07-05 | 上海兆启新能源科技有限公司 | A kind of rectifier transformer applied to movable charging vehicle |
| CN112670607A (en) * | 2020-12-22 | 2021-04-16 | 江苏金帆电源科技有限公司 | Control system for multi-battery series formation |
| WO2022120835A1 (en) * | 2020-12-11 | 2022-06-16 | 杭州铅锂智行科技有限公司 | Storage battery formation charging and discharging power supply and formation method therefor |
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| JP2002233068A (en) * | 2001-01-31 | 2002-08-16 | Sanyo Electric Co Ltd | Charger |
| CN2562476Y (en) * | 2002-06-01 | 2003-07-23 | 张家港市金帆电源有限公司 | Accumulated electric power source |
| CN102364742A (en) * | 2011-09-21 | 2012-02-29 | 江苏金帆电源科技有限公司 | Storage battery formation processing charging and discharging main circuit structure |
| CN102364638A (en) * | 2011-09-21 | 2012-02-29 | 江苏金帆电源科技有限公司 | Three-phase rectifier transformer |
| CN203632333U (en) * | 2013-12-19 | 2014-06-04 | 江苏金帆电源科技有限公司 | Energy-saving storage battery forming charging and discharging power supply |
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2013
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2002233068A (en) * | 2001-01-31 | 2002-08-16 | Sanyo Electric Co Ltd | Charger |
| CN2562476Y (en) * | 2002-06-01 | 2003-07-23 | 张家港市金帆电源有限公司 | Accumulated electric power source |
| CN102364742A (en) * | 2011-09-21 | 2012-02-29 | 江苏金帆电源科技有限公司 | Storage battery formation processing charging and discharging main circuit structure |
| CN102364638A (en) * | 2011-09-21 | 2012-02-29 | 江苏金帆电源科技有限公司 | Three-phase rectifier transformer |
| CN203632333U (en) * | 2013-12-19 | 2014-06-04 | 江苏金帆电源科技有限公司 | Energy-saving storage battery forming charging and discharging power supply |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105048527A (en) * | 2014-04-25 | 2015-11-11 | 柯尼卡美能达株式会社 | Charging control device and image forming apparatus incorporating the same |
| CN105048527B (en) * | 2014-04-25 | 2017-12-08 | 柯尼卡美能达株式会社 | Charging control device and image forming apparatus incorporating the same |
| CN104409787B (en) * | 2014-10-17 | 2018-09-07 | 苏州安靠电源有限公司 | The chemical synthesizing method of monomer secondary cell |
| CN106451658A (en) * | 2016-11-14 | 2017-02-22 | 泉州华威国维电子科技有限公司 | Charge/discharge control circuit for forming storage battery |
| CN109979739A (en) * | 2019-04-22 | 2019-07-05 | 上海兆启新能源科技有限公司 | A kind of rectifier transformer applied to movable charging vehicle |
| WO2022120835A1 (en) * | 2020-12-11 | 2022-06-16 | 杭州铅锂智行科技有限公司 | Storage battery formation charging and discharging power supply and formation method therefor |
| CN112670607A (en) * | 2020-12-22 | 2021-04-16 | 江苏金帆电源科技有限公司 | Control system for multi-battery series formation |
| CN112670607B (en) * | 2020-12-22 | 2023-09-05 | 江苏金帆电源科技有限公司 | Control system for multi-battery serial formation |
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Application publication date: 20140423 |