CN101312297B - Power supply apparatus for pulse charging of accumulator - Google Patents

Power supply apparatus for pulse charging of accumulator Download PDF

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Publication number
CN101312297B
CN101312297B CN 200810062026 CN200810062026A CN101312297B CN 101312297 B CN101312297 B CN 101312297B CN 200810062026 CN200810062026 CN 200810062026 CN 200810062026 A CN200810062026 A CN 200810062026A CN 101312297 B CN101312297 B CN 101312297B
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charging
circuit
pulse
discharge
power supply
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CN 200810062026
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CN101312297A (en
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林氦
罗军
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浙江华源电气有限公司
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Abstract

The invention provides a pulse charging power supply for accumulators. A positive output terminal and a negative output terminal of an AC/DC module (AC/DC) are a charging positive terminal and a charging negative terminal, which are capable of being connected with an anode and a cathode of an accumulator to form a charging circuit, a discharge resistor is connected between the charging positive terminal and the charging negative terminal to form a discharge circuit of the accumulator, further a microcomputer (MC), the charging circuit and the discharge circuit are respectively provided with switch circuits (JC, C, Q1) controlled by the microcomputer, wherein the resistance value of the discharge resistor (RF1) is obtained by calculating the set current value of pulse discharge with the voltage of the accumulator, and the charging circuit is further provided with an adjustable resistor (FZC) controlled by the microcomputer. The switch circuits and the adjustable resistor are based on microcomputer-control, the pulse charging power supply of the invention carries out controllable pulse conversion to the direct current supplied by the AC/DC module, realizing the industrialized charging device performing constant-current prior to pulse, wherein variable amplitude and intervals are utilized in pulse, and the pulse is depolarized among the intervals, thereby filling the vacancy in the technical field of charging equipment.

Description

蓄电池脉冲充电电源装置 Pulse charging a battery power supply device

[0001 ] 技术领域本发明涉及的是一种蓄电池脉冲充电电源装置,尤其是输出功率较大的蓄电池脉冲充电电源装置,属于化学能和电能之间直接转变技术领域。 [0001] Technical Field The present invention relates to a pulse charging a battery power supply device, in particular a large output power pulse charging a battery power supply device, is a direct transition between the technical field of chemical and electrical energy.

[0002] 背景技术在蓄电池制造和使用时的化成、充电、维护等操作过程中所用的充电电源,对蓄电池充电的性能优劣直接关系到蓄电池的工作性能、使用寿命、能源利用效率和环境保护等方面。 [0002] BACKGROUND In the manufacture and use of the battery into the charging and maintenance during the operation of the charging power supply used for charging the battery performance advantages and disadvantages performance is directly related to battery life, energy efficiency and environmental protection etc. 为达到良好的充电效果,中国发明专利申请(CN1632981)和(CN1761097)公开了一种先恒流后脉冲且脉冲采用变幅、间隙和在间隙中间以去极化脉冲的充电方法,但目前尚无形成可工业应用的充电装置来实现这一方法所能达到的良好效果,而仅停留在实验装置的技术水平,如中国实用新型专利ZL200420014283. 7阀控式密封铅酸蓄电池的充电装置中公开的“有由高频开关电源构成的充电电源,在充电电源与蓄电池之间有一以微处理器控制的电子开关组成的正负脉冲发生电路”。 In order to achieve a good charging effect, Chinese patent application (CN1632981) and the invention (CN1761097) discloses the latter and the first constant-current pulse using a pulse amplitude, and to remove gaps polarization pulse charging method in the intermediate space, but still the charging device may be formed without the industrial application of this method to achieve good results can be achieved, but only remain in the technical level of the experimental device, a charging device such as a Chinese utility model patent ZL200420014283. 7 VRLA batteries disclosed the "power source composed of a charging frequency switching power supply, has a positive and negative pulse to microprocessor controlled electronic switch consisting generating circuit between the charging power source and the battery." 但是因为高频开关电源装置的造价很高,因此至今工业上所用的大功率充电电源装置,尤其是输出功率在IOkW 以上的充电电源装置都仍然是可控硅整流电源而未能实现脉冲充电。 However, because of the high cost of high-frequency switching power supply apparatus, thus the industry has used high-power charging power supply means, in particular the output power of the charging power supply device in the above IOkW thyristor are still failed to achieve pulse charging power source.

[0003] 发明内容针对上述问题,本发明需要解决的技术问题是如何以较低的造价实现一种先恒流后脉冲且脉冲采用变幅、间隙和间以去极化脉冲的充电方法,并可准确调节脉冲特性及即时向蓄电池输出所要控制的脉冲的蓄电池脉冲充电电源装置。 [0003] SUMMARY In view of the above problems, the present invention is a technical problem to be solved is how to achieve a lower cost and the latter the first constant-current pulse using a pulse amplitude, and the gap between the charging method to remove the polarization of the pulse, and battery pulses may be adjusted accurately to the instant pulse and the pulse characteristics of the battery output to be controlled by a charging power supply device.

[0004] 本发明提供的蓄电池脉冲充电电源装置,有提供直流电源的可控硅整流直流电源装置,可控硅整流直流电源装置的正负输出端是可与蓄电池阳阴两极连接成充电回路的充电正负端,充电正负端之间连接有放电电阻而构成蓄电池的放电回路,还有微机,充电回路和放电回路上各有受微机控制的开关电路,其中放电电阻的阻值以所设定脉冲放电电流值和蓄电池电压计算所得,在充电回路中还有受微机控制的可调电阻;所说的可调电阻有以下结构的电路单元:以一场效应管构成负载,所说场效应管的栅极连接运算放大电路的输出端,该运算放大电路的正输入端连接微机变阻信号输出端;运算放大电路的输出端还经一电阻器与其负输入端连接构成负反馈电路,运算放大电路的负输入端还经一采样电阻与可控硅整流直流电源装置的输出负极连接;上述可 [0004] The pulse charging of the battery power supply device according to the present invention is provided with a silicon-controlled rectifier means for providing a DC power supply DC power, a DC power supply apparatus thyristor rectifier negative output terminal is connected to a battery charging circuit to the poles of the male and female positive and negative side charge, the charge discharging resistor is connected between the positive and negative terminals of the battery discharge circuit is configured, there are a microcomputer, the charging circuit and the discharging loop each switching circuit controlled by a microcomputer, wherein the resistance of the discharge resistor in the set constant current pulse discharge voltage and a calculated value of the battery, the charging circuit also controlled by the microcomputer adjustable resistance; adjustable resistance of said circuit units having the structure: to form a load field effect tube, said field effect an output terminal connected to the gate tube operational amplifier circuit, the positive input of the operational amplifier is connected to a microcomputer varistor signal output terminal; an output terminal of the operational amplifier circuit via a further resistor connected to its negative input terminal of negative feedback circuit, an operational the negative input terminal of the amplifier circuit via a further resistor connected to the negative output sampling thyristor rectified DC power supply apparatus; above may 调电阻单元单个使用或以两个以上在负载两端和在微机变阻信号输出端并联连接后使用。 Adjusting resistance unit using a single or two or more across the load and a microcomputer connected to the varistor in parallel signal output terminal.

[0005] 本发明提供的蓄电池脉冲充电电源装置,有充电回路和放电回路,充电回路和放电回路上的开关电路,除可用微机选择哪个回路工作外还可控制开关的开闭时间,从而形成脉冲;而充电回路中的可调电阻在微机控制下可调节充电回路上与蓄电池串联的阻抗的大小,从而可以对充电电流值进行控制(脉冲充电时即为脉冲幅度)。 [0005] The present invention provides a battery charging pulse power supply apparatus, a charging circuit and a discharge circuit, the charging circuit and the discharging circuit switches back to the road, in addition to which the outer loop operating available microcomputer may control the switch to select the opening and closing time, thereby forming a pulse ; the resistance of the charging circuit is adjustable under computer control to adjust the charge on the way back to the size of the impedance in series with the battery, whereby the charging current can be controlled (that is, when the pulse amplitude of the pulse charging). 基于微机控制的开关电路和可调电阻,本发明对可控硅整流直流电源所提供的直流电流进行了可控的脉冲转换,从而实现了工业化的先恒流后脉冲且脉冲采用变幅、间隙和在间隙中间以去极化脉冲的充电装置,弥补了现有技术在这一技术领域的空白。 Based switching circuitry and the computer-controlled adjustable resistance, the DC current of the thyristor of the present invention is provided by the DC power supply a controlled pulse converter, so as to achieve a constant current pulse after the first pulse and industrial uses amplitude, the gap and the intermediate gap in the charging device of the depolarizing pulses, to make up for gaps in the prior art in this technical field.

[0006] 利用场效应管栅极电压的高低可以改变源漏极之间的导通电阻的特性,用微机输出变阻信号(经D/A转换而得的不同高低的电压信号)来控制接入充电电路的负载阻值从完全导通(阻值近似为零)和截止(阻值近似无限大)之间变化。 [0006] With the FET gate voltage level can change the characteristics of the on-resistance between the source and drain electrodes, varistor microcomputer output signal (obtained by converting the D / A high and low voltage signals) to control the connection the load resistance from the charging circuit is turned completely (approximately zero resistance) and off (approximate infinite resistance) vary. 并在微机变阻信号输出端与场效应管的栅极之间加入具有负反馈电路的运算放大电路,使可调电阻得到稳定、精确和快速的调节,也使本发明对前级可控硅整流直流电源装置的动态响应速度要求降低而扩大应用范围。 Between the microcomputer and the gate signal output terminal of the varistor added FET operational amplifier having a negative feedback circuit, the adjustable resistance stable, accurate and fast adjustment, but also the front stage of the thyristor according to the present invention dynamic response rectified DC power supply device required to reduce and expand the application range.

[0007] 本发明提供的蓄电池脉冲充电电源装置,所说微机变阻信号输出端上连接有一电子开关,电子开关的控制端与微机的脉冲控制信号输出端连接,即充电回路中的充电脉冲是经场效应管的栅极是否加电而使源漏极导通控制充电回路通断产生的,而不用充电回路中的开关通断产生的,以进一步提高精确性和反应速度。 [0007] Battery pulse according to the present invention provides a charging power supply device, said connection having a control terminal of the electronic switch, the electronic switch and the pulse control signal output terminal of the microcomputer is connected to the microcomputer varistor signal output terminal, i.e., a charging circuit charging pulses are the gate of the FET via whether the power drain of the charge control circuit is turned off generated without recharging circuit to generate the switch-off to further improve the accuracy and speed of response.

[0008] 本发明提供的蓄电池脉冲充电电源装置,所说微机还有一个AC/DC控制信号输出端连接可控硅整流直流电源装置的电压控制电路,通过微机对可控硅整流直流电源装置正负输出端之间的电压进行调节,达到输出不同的充电电压给蓄电池,因为蓄电池的只数不同,其串联后进行充电时所需要的充电电压也不同,本发明的这一结构使一台充电装置可适应最大充电电压许可范围以内的任何只数蓄电池的充电需要。 [0008] The present invention provides a battery charging pulse power supply device, and a computer of said AC / DC control signal output terminal connected to the voltage control circuit SCR rectified DC power supply apparatus, the microcomputer of the silicon-controlled rectifier via a DC power supply device is between the output terminal of the negative voltage was adjusted to achieve different output voltage to charge the battery, only because of the different number of battery charging voltage to charge the time required for the different series, the structure of the present invention enables a charging accommodate any number of devices may only need to charge the battery maximum charging voltage is within the allowed range.

[0009] 本发明提供的蓄电池脉冲充电电源装置,所说微机存储器内所寄存的充电程序描述的是按先恒流后脉冲且脉冲采用变幅、间隙和间以去极化脉冲充电方法和所充电蓄电池不同只数经过试验总结出的充电曲线,即本发明用既定的以试验结果总结出的参数按所说充电方法对对应的蓄电池进行充电。 [0009] The present invention provides a battery charging pulse supply means, said microcomputer within the memory storage procedure described by charging after the first constant-current pulse amplitude and pulse employed, and the gap between the charging pulses to depolarize the method and different rechargeable battery only after several tests summed charge curve, i.e., the present invention is to use a predetermined parameter according to the test results summarized corresponding to said charging method to charge the battery.

[0010] 本发明提供的蓄电池脉冲充电电源装置,以所说的充电回路和放电回路及其微机控制电路构成一个充电单元,在一个可控硅整流直流电源装置输出正负端之间并联连接两个以上充电单元。 [0010] The present invention provides a battery charging pulse power supply device to said charging circuit and discharging circuit and a charging circuit including a microcomputer control unit, between a silicon-controlled rectifier positive and negative output terminal of the DC power supply means connected in parallel to two or more charging units.

[0011] 本发明提供的蓄电池脉冲充电电源装置,蓄电池阳极和负极之间还有一条连接有放电电阻的恒流放电电路;恒流放电电路中有受微机控制的可调电阻与放电电阻串联;所说放电电阻的阻值以所设定恒流放电电流值和蓄电池电压并考虑可调电阻的调节量确定。 [0011] The present invention provides a battery charging pulse power supply device, between the anode and the negative electrode of the battery as well as a constant-current discharge circuit is connected to a discharge resistor; constant current discharge circuit has a discharge resistor with adjustable resistance connected in series by computer control; the resistance of said resistor to a constant current discharge discharge current value and battery voltage set by taking into account the determined amount adjusting variable resistor. 恒流放电回路中的可调电阻在微机控制下可调节放电回路上总的放电电阻值的大小,从而可以对放电电流进行调节。 An adjustable resistor in the constant current discharge circuit can be adjusted under computer control back to the discharge path resistance value of the total magnitude of the discharge, so that discharge current can be adjusted.

[0012] 本发明提供的蓄电池脉冲充电电源装置,所说的受微机控制的可调电阻在充电回路和恒流放电电路中是共用,有如下安装关系的切换开关切换使用:在可控硅整流直流电源装置输出正极与蓄电池阳极之间的连接线上有一充电常开触点;在可控硅整流直流电源装置输出负极与蓄电池阴极之间的连接线上有另一充电常开触点和一放电常开触点,充电常开触点在可控硅整流直流电源装置输出负极一侧;在恒流放电回路上有第三个充电常开触点和另一放电常开触点,充电常开触点在蓄电池阴极一侧;三个充电常开触点是同一个充电继电器的触点,两个放电常开触点是同一个放电继电器的触点,所说充电继电器的线包和放电继电器的线包分别连接微机充放电切换信号输出端;可调电阻的两端连接在可控硅整流直流电源装置输出负极与蓄电池阴极之间的两 [0012] The present invention provides a battery charging pulse supply means, said adjustable resistance by the microcomputer control in a constant current charging circuit and the discharge circuit is common, the following relation switching installation switch used: the thyristor connection line between the positive output of the DC power supply means has an anode and a battery charging normally open contact; there is another normally open contact and a charging connection line between the thyristor rectifier means outputting a negative DC power supply and the battery cathode discharge normally open contact, a normally open contact charging thyristor rectifier side DC power supply negative output; in constant current discharge loop has a third normally open contact charging and discharging another normally open contact, often charging the cathode side of the battery contacts open; normally open contacts is three charged with a charging contact of the relay, two normally open contacts is the same discharge a discharge relay contact, said charging and discharge line package relay line package relay computer are connected to the charging and discharging switching signal output terminal; both ends of the variable resistor connected between the DC power supply apparatus thyristor rectifier negative output of the battery cathode two 个常开触点之间和恒流放电回路中两个常开触点之间。 Between two normally open contacts and normally open loop constant-current discharge between the contacts. 如此,可通过微机控制充电装置对蓄电池进行充电或放电操作。 Thus, by controlling the microcomputer to charge the battery charging device or discharging operation.

[0013] 附图说明附图为本发明一实施例之电路图,图中:AC/DC-可控硅整流直流电源装置,C-充电继电器线包,CON-微机通信口,E-蓄电池组,F-放电继电器线包,FZ-充放电可调电阻,JCl、JC2、JC3-充电继电器的常开触点,JF2、JF3-放电继电器的常开触点,Ml、 M2、Mn-作电子负载的MOS管,MC-微机,Ni、N2、Nn-运算放大器,Ql-MOS管,Q2-开关三极管,Rll、R12、Rln、R21、R22、R2n、RSl、RS2、RSn-电阻器,RFl-脉冲放电电阻,RF2-恒流放电电阻,U-交流电源,V-微机工作电源,Zl、Z2、Zn-电阻,1-微机之可控硅整流直流电源装置控制信号输出端,2-微机之脉冲放电回路控制信号输出端,3、4_微机之可调电阻控制信号输出端,5-微机之放电继电器线包控制信号输出端,6-微机之充电继电器线包控制信号输出端。 [0013] The accompanying drawings, a circuit diagram of the embodiment of the present invention, FIG: AC / DC- DC power supply unit thyristor, C- charging line package relay, CON- computer communication port, E- battery pack, F- discharge line package relay, FZ- adjustable discharge resistance, JCl, JC2, JC3- charging relay normally open contact, JF2, JF3- discharge normally open relay contact, Ml, M2, Mn- for electronic load the MOS transistor, MC- microcomputer, Ni, N2, Nn- operational amplifier, Ql-MOS tube, Q2- switching transistor, Rll, R12, Rln, R21, R22, R2n, RSl, RS2, RSn- resistors, RFl- pulse discharge resistor, RF2- constant resistance discharge, AC power U-, V- computer operating power, Zl, Z2, Zn- resistance, the thyristor the microcomputer 1- DC power control signal output terminal means of the microcomputer 2- pulse discharge control signal output terminal circuit, an adjustable resistor 3,4_ control signal output terminal of the microcomputer, the microcomputer 5- discharge line package relay control signal output terminal, the microcomputer of the charging 6- line package relay control signal output terminal.

具体实施方式 Detailed ways

[0014] 1、如附图所示,有一蓄电池脉冲充电电源装置,是由充电单元和可控硅整流直流电源装置AC/DC构成的,可控硅整流直流电源装置有输入电源U,其中充电单元的构成是: 蓄电池组E两极与可控硅整流直流电源装置充电正负输出端连接构成充电回路,蓄电池组E与恒流放电电阻RF2构成恒流放电回路,又与脉冲放电电阻RFl构成脉冲放电回路,在脉冲放电回路中有一以MOS管构成的电子开关Q1。 [0014] 1, as shown in the drawings, a battery charging pulse power supply apparatus is composed of a charging unit and a DC power supply apparatus thyristor AC / DC, DC power supply device with a silicon-controlled rectifier input power U, wherein the charging constituent units are: E bipolar battery pack and a DC power supply means for charging thyristor rectifier negative output terminal connected to a charging circuit configuration, a battery pack E and constant current discharge resistor RF2 constitute constant current discharge circuit, constitute a pulse to pulse discharge resistor RFl discharge circuit, the electronic switch Q1 formed of a MOS transistor in the pulse discharge circuit. 在蓄电池组阳极和可控硅整流直流电源装置正极之间有一充电继电器的常开触点JC1,两阴极之间有一充电继电器的常开触点JC3和一放电继电器的常开触点JF3且充电常开触点在可控硅整流直流电源装置一侧。 A charging relay battery pack between the anode and the thyristor cathode DC power supply device normally open contact JC1, a normally open contact JC3 and a discharge relay normally open contact of a relay charge between the cathodes and the charge JF3 on one side of the normally open contact SCR rectifier DC power supply device. 在蓄电池组和恒流放电电阻之间,蓄电池组的阴极上有一充电继电器的常开触点JC2和一放电继电器的常开触点JF2且充电常开触点在蓄电池组一侧。 A constant current between the battery and the discharge resistance, the battery pack has a cathode JC2 normally open contacts and a normally open relay contacts discharging a charging JF2 relay normally open contact and charging in the battery pack side. 在蓄电池组阴极所引出的分别指向可控硅整流直流电源装置和恒流充电电阻的两条线路中,在各自的充电常开触点和放电常开触点之间接入可调电阻FZ。 In the battery pack cathode lead-out point, respectively, two silicon-controlled rectifier circuit and a constant current DC power supply charging resistor, the charge of each normally open contact and a normally open discharge FZ access adjustable resistance between the contacts. 所说可调电阻的构成是:由1个或η个单元构成,每个单元有一个场效应管(N型MOS管)Ml、Μ2、……、Mn,MOS管的源极经一采样电阻RS1、 RS2、……、RSn后接入蓄电池组与可控硅整流直流电源装置之间的充电常开触点和放电常开触点之间,MOS管的漏极接入蓄电池组与恒流放电电阻之间的充电常开触点和放电常开触点之间。 Said adjustable resistor is constituted by: η 1 or more units, each cell has a field effect transistor (N-type MOS transistors) Ml, Μ2, ......, Mn source, through a MOS transistor is sampling resistor RSl, RS2 between recharges, ......, after the access RSn and the silicon-controlled rectifier battery pack DC power supply means and the discharge normally open contact between the normally open contacts, access to the drain of the MOS transistor of the constant current battery pack charging the discharge resistor between the normally open contact and a normally open discharge between the contacts. 另有一运算放大器Ni、N2、……、Nn,其输出端与MOS管的栅极连接,其输出端与负输入端之间经一电阻Z1、Z2、……、Zn相连接而为运放的负反馈电路,其负输入端还经一电阻R11、R12、……、Rln后连接在采样电阻与MOS管的源极之间,其正输入端经一电阻R21、R22、……、R2n后为控制信号输入端。 Another operational amplifier between a Ni, N2, ......, Nn connected to the gate, an output terminal of the MOS transistor, its output terminal and the negative input terminal via a resistor Z1, Z2, ......, Zn is connected to the op amp a negative feedback circuit, the negative input terminal via a further resistor R11, R12, ......, connected between the source electrode of the MOS transistor and the sampling resistor, the positive input terminal thereof via a resistor R21, R22 after Rln, ......, R2n after the control signal input terminal. 又有一微机MC,其连接有工作电源V并经微机通信口CON与输入信号源连接;另有微机之可控硅整流直流电源装置控制信号输出端1与可控硅整流直流电源装置通信接口连接以控制充电电压值,有微机之脉冲放电回路控制信号输出端2(放电脉冲控制端)与MOS管Ql的栅极连接以控制脉冲放电与否及脉冲特征, 有微机之可调电阻控制信号输出端3(电流控制端)连接在可调电阻的控制信号输入端以调节充放电负载而最终调节充电与否、充电电流值和恒流放电电流值,有微机之可调电阻控制信号输出端4(充电脉冲控制端)连接在一NPN型开关三极管Q2的基极上,开关三极管的集电极连接可调电阻的控制信号输入端,开关三极管的发射极接地,用以控制充电脉冲占空比。 There are a microcomputer MC, which is connected with a working power source V and a microcomputer connected via a communication port CON input source; another silicon-controlled rectifier DC power supply control signal output terminal of the microcomputer 1 is connected with a communication interface thyristor DC power supply device to control the charging voltage value, the pulse discharge circuit of the microcomputer has a control signal output terminal 2 (discharge pulse control terminal) connected to the gate of the MOS transistor Ql to control pulse characteristics and pulse discharge or not, the control signal output of the microcomputer adjustable resistor terminal 3 (current control terminal) connected to the control signal input of the variable resistor to adjust the final adjustment of charging and discharging load or not charging, a charging current value and the constant discharge current value, the control signal output terminal of an adjustable resistor of the microcomputer 4 (charge pulse control terminal) is connected to the base of an NPN type switching transistor Q2, the collector of the switching transistor is connected adjustable resistor control signal input terminal, the emitter connected to ground switching transistor for controlling the duty cycle of the charge pulse. 有微机之放电继电器线包控制信号输出端5经放电继电器线包F后接地以控制放电常开触点的状态,有微机之充电继电器线包控制信号输出端6经充电继电器线包C后接地以控制充电常开触点的状态。 A discharge line package relay microcomputer of a control signal output terminal 5 is grounded via the discharge line after the packet relay F to control the discharge state of the normally open contact, the microcomputer has a charging control signal output line package relay 6 after charging ground line package relay C to control the state of charge of the normally open contact. 微机的存储器中寄存有按先恒流后脉冲且脉冲采用变幅、间隙和间以去极化脉冲充电方法和所充电蓄电池不同只数经过试验总结出的充电曲线确定的时序标准充电电流值(及预定的恒流放电电流值),和按该曲线编写的充电流程控制程序。 Registered in the memory with a microcomputer and a pulse-amplitude pulses using the first constant current, and a gap between the depolarization pulse to the charging of the battery charging method and only the number of different tests summarized through a charging curve determination timing standard charging current value ( and a predetermined constant current discharged value), and a charging control program according to the flow curve prepared.

[0015] 作充电工作时,微机根据所充电的蓄电池组的蓄电池只数调节可控硅整流直流电源装置的输出电压,并向充电继电器线包发送导通信号使充电继电器吸合而使各充电常开触点闭合,常闭触点打开,切入充电模式而使放电回路断路。 [0015] When the charging operation for the battery of the battery pack is charged only a microcomputer according to the number of silicon-controlled rectifier regulated output voltage of the DC source, and on signal transmission line package relay charge charging each charging the relay normally open contacts closed, the normally closed contacts open, cut the charge mode and discharge circuit breaker. 微机电流控制端输出信号并送 Microcomputer current control signal and sent to the output terminal

5达MOS管栅极,使MOS管导通并调节到所需要阻值以控制充电电流值,微机充电脉冲控制端向开关三极管基极输出一个高电平而使其导通,则可调电阻的控制信号输入端为低电平, 即MOS管截止,所以该充电脉冲信号可调节充电脉冲的宽度和间隙长度,恒流充电时不发送信号,脉冲充电时信号时长便为充电电路断路时长(充电脉冲波形中显示为零或负的时长),放电脉冲控制端在充电脉冲控制端发送信号(充电电路断路)期间输出信号,使脉冲放电电路导通而放电在两个充电脉冲之间产生一个放电脉冲,而该放电脉冲两侧与充电脉冲之间都有一个无充放电脉冲的间隙。 The gate of the MOS transistor 5, so that the MOS transistor is turned on and adjusted to the desired resistance value to control the charging current, charge pulse control terminal electrode microcomputer outputs a high level to make the base of the transistor switch is turned on, the adjustable resistor a control signal input terminal is low, i.e., the MOS transistor is turned off, so that the signal charge pulse width and gap length adjustable pulse charging, constant current charging signal is not transmitted, the pulse duration of the charging signal when charging circuit breaking will be long ( duration of the charge pulse waveform display is zero or negative), the discharge pulse control signals during transmission output terminal (charging circuit breaking) control terminal charge pulse signal, the pulse discharge circuit is turned on and discharges between generating a charge pulse discharge pulse, and charge-free gap has a discharge pulse between the discharge pulse and charge pulse on both sides.

[0016] 作恒流放电工作时,向放电继电器线包发送导通信号使放电继电器吸合而使各放电常开触点闭合,常闭触点打开,切入放电模式而使充电回路断路,与此同时,不向充电继电器线包发送导通信号。 [0016] When the constant current discharging operation for transmission on signal to the discharge line package relay so that the discharge of each discharge relay normally open contact closure, normally closed contacts open, cut the charging circuit disconnection discharge mode, and Meanwhile, the on signal is not transmitted to the charging line package relay. 恒流放电操作用来检验蓄电池化成后电池的容量。 Constant current discharge capacity after operation verifies the battery into the battery.

[0017] 在蓄电池组上还串有一电流传感器,用以对蓄电池的充电电流或放电电流进行采样,并与存在器中的该时间电流值进行比较而调整输给运算放大器的信号改变MOS管的导通电阻进而调节充电电流或放电电流达到标准值。 [0017] In the battery pack further has a series current sensor for the battery charging current or discharging current is sampled and compared with the current time value in the presence of an adjusting signal to the operational amplifier changes the MOS transistor thereby regulating the on-resistance of the charging current or discharging current reaches the reference value.

[0018] 可调电阻单元数的确定,是根据所要操作的蓄电池组的充放电电流、恒充放电电阻阻值、可调电阻两端的压差和散热环境下的可调电阻可承受功率确定的。 [0018] The number of adjustable resistance unit determines, based on charge and discharge current of the battery pack to be operated, a constant charge and discharge resistor, the adjustable resistor is an adjustable pressure difference across the resistance and can withstand the thermal environment of the power determination .

[0019] 如按现有散热环境下一件MOS管的可承受功率为50-60W,对IOOAhr的18只铅酸蓄电池进行操作。 [0019] The existing thermal environment by a MOS transistor can withstand the power of 50-60W, lead-acid batteries for 18 IOOAhr operate. 单用作充电的,充电电流为35A,MOS管压差为2V,则功率为70w(理论值)需要2个单元。 As a single charge, the charging current is 35A, MOS tube pressure is 2V, then the power of 70W (theoretical value) requires two units. 需要同时用作放电的,放电电流10A,蓄电池电势18只X12.5v/只为225V。 As the need to discharge, a discharge current 1OA, the potential of the battery 18 X12.5v / only 225V. 恒流放电电阻为18 Ω即分担180V,则可调电阻需要分担45V。 Constant current discharge resistance of 18 Ω i.e. shared 180V, need to share the variable resistor 45V. 所承受功率为450W, 则需要8-9个单元。 The receiving power of 450W, is required 8-9 units.

[0020] 以MOS管为可调电阻的接入办法和控制办法,根据现有技术还可设计其他电路形式,本发明所使用的并不限定于本例的电路结构。 [0020] In the MOS transistor as the access methods and the adjustable resistance control approach, according to the prior art circuits may also be designed other forms, the present invention is not limited to the use of the circuit configuration.

[0021] 2、在一台可控硅整流直流电源装置的正负输出端上并联拉入5套如上例所描述的充电单元。 [0021] 2, the positive and negative output of a silicon-controlled rectifier in parallel to the DC power supply apparatus 5 sets the pull-in as described in Example charging unit. 以可以按需要选择1至5套充电单元同时工作,以适应不同蓄电池组的充电要求,节约能源和扩大现有可控硅整流直流电源装置充电装置的工作范围。 To be selected as required the charging unit 1-5 sets simultaneously to meet the requirements of different rechargeable battery pack, energy conservation and expand existing thyristor DC power supply operating range of the charging device. 在工作时,可控硅整流直流电源装置的输出电压以各套充电单元中所需要充电电压的最高电压输出,对于需要较低充电电压的充电单元,其多余的电压则通过调节可调电阻的阻值进行分压。 In operation, the output voltage of the DC power supply thyristor device to respective sets required charging unit charging maximum voltage of the output voltage, the charging voltage of the charging unit needs to lower its excess voltage by adjusting the variable resistor dividing resistance.

6 6

Claims (7)

  1. 一种蓄电池脉冲充电电源装置,有提供直流电源的可控硅整流直流电源装置,可控硅整流直流电源装置的正负输出端是与蓄电池阳阴两极连接成充电回路的充电正负端,其特征是充电正负端之间连接有放电电阻而构成蓄电池的放电回路,还有微机,充电回路和放电回路上各有受微机控制的开关电路,其中放电电阻的阻值以所设定脉冲放电电流值和蓄电池电压计算所得,在充电回路中还有受微机控制的可调电阻;所说的可调电阻有以下结构的电路单元:以一场效应管构成负载,所说场效应管的栅极连接运算放大电路的输出端,该运算放大电路的正输入端连接微机变阻信号输出端;运算放大电路的输出端还经一电阻器与其负输入端连接构成负反馈电路,运算放大电路的负输入端还经一采样电阻与可控硅整流直流电源装置的输出负极连接;上述可调电阻 A battery charging pulse power supply device, with a silicon-controlled rectifier means for providing a DC power supply DC power, positive and negative output terminal of the DC power supply unit thyristor is connected to the battery to be charged positive and negative poles of the male and female terminal of the charging circuit, which wherein a discharge resistor is connected between the positive and negative side charge and discharge of the battery circuit configuration, as well as the computer, loop charging circuit and the discharging circuit of each switch controlled by a microcomputer, wherein the resistance of the discharge resistor to discharge the set pulse calculating the resulting current and voltage of the battery, the charging circuit also controlled by the microcomputer adjustable resistance; adjustable resistance of said circuit units having the structure: to form a load field effect tube, the gate of said FET electrode connected to an output terminal of the operational amplifier circuit, the operational amplifier positive input terminal connected to the microcomputer varistor signal output terminal; an output terminal of the operational amplifier circuit further via a resistor and its negative input connected to form a negative feedback circuit, an operational amplifier circuit a negative input terminal via a further resistor connected to the negative output sampling thyristor rectified DC power supply device; and the adjustable resistor 元单个使用或以两个以上在负载两端和在微机变阻信号输出端并联连接后使用。 Using a single element or two or more across the load and a microcomputer connected to the varistor in parallel signal output terminal.
  2. 2.如权利要求1所述的蓄电池脉冲充电电源装置,其特征是所说微机变阻信号输出端上连接有一电子开关,电子开关的控制端与微机的脉冲控制信号输出端连接。 2. The battery according to claim 1 pulse charging power supply device, wherein said microcomputer rheostatic pulse control signal output terminal connected to a control terminal of the electronic switch, an electronic switch and a microcomputer connected to the signal output terminal.
  3. 3.如权利要求1所述的蓄电池脉冲充电电源装置,其特征是所说微机还有一个AC/DC 控制信号输出端连接可控硅整流直流电源装置的电压控制电路。 Pulses of the battery as claimed in claim 1, a charging power supply device, wherein said microcomputer and a AC / DC control signal output terminal voltage thyristor DC source connection control circuit.
  4. 4.如权利要求1所述的蓄电池脉冲充电电源装置,其特征是所说微机的存储器内所寄存的充电程序描述的是按先恒流后脉冲且脉冲采用变幅、间隙和间以去极化脉冲充电方法和所充电蓄电池不同只数经过试验总结出的充电曲线。 4. The secondary battery according to a pulse charging power supply device according to claim 1, wherein the memory of said microcomputer from the registered charging procedure is described in pulses and amplitude pulses using the first constant current, and the gap between the electrodes to remove the pulse charge method of charging of the battery and the number of different test summed after only charge curve.
  5. 5.如权利要求1所述的蓄电池脉冲充电电源装置,其特征是以所说的充电回路和放电回路及其微机控制电路构成一个充电单元,在一个可控硅整流直流电源装置输出正负端之间并联连接两个以上充电单元。 5. The secondary battery according to a pulse charging power supply device according to claim 1, which is characterized in said charging circuit and discharging circuit and a charging circuit including a microcomputer control unit, in a thyristor rectifier positive and negative output terminal of the DC power supply device two or more connected in parallel between the charging unit.
  6. 6.如权利要求1所述的蓄电池脉冲充电电源装置,其特征是蓄电池阳极和负极之间还有一条连接有放电电阻的恒流放电电路;恒流放电电路中有受微机控制的可调电阻与放电电阻串联;所说放电电阻的阻值以所设定恒流放电电流值和蓄电池电压并考虑可调电阻的调节量确定。 6. The pulse charging a battery power supply device according to claim 1, characterized in that there is a constant current discharge circuit is connected between the battery discharge resistance of the anode and the cathode; constant-current discharge circuit has a microcomputer controlled by adjustable resistor in series with the discharge resistor; the resistance of said resistor to a constant current discharge discharge current value and battery voltage set by taking into account the determined amount adjusting variable resistor.
  7. 7.如权利要求1或6所述的蓄电池脉冲充电电源装置,其特征是所说的受微机控制的可调电阻在充电回路和恒流放电回路中是共用的,并有如下安装关系的切换开关切换使用:在可控硅整流直流电源装置输出正极与蓄电池阳极之间的连接线上有一充电常开触点;在可控硅整流直流电源装置输出负极与蓄电池阴极之间的连接线上有另一充电常开触点和一放电常开触点,充电常开触点在可控硅整流直流电源装置输出负极一侧;在恒流放电回路上有第三个充电常开触点和另一放电常开触点,充电常开触点在蓄电池阴极一侧; 三个充电常开触点是同一个充电继电器的触点,两个放电常开触点是同一个放电继电器的触点,所说充电继电器的线包和放电继电器的线包分别连接微机充放电切换信号输出端; 可调电阻的两端连接在可控硅整流直流电源装置输出负极与 7. The pulse charging the battery power source device according to claim 16, wherein said computer-controlled by the variable resistor in the charging circuit and constant-current discharge circuit is common, and the switching installation has the following relationship use switch: a normally open contact charging connection line between the positive electrode and the battery output thyristor anode DC power supply device; the connection line between the thyristor rectifier means outputting a negative DC power supply and the battery cathode another charging normally open contact and a normally open contact discharge, the normally open contact charging thyristor anode side of DC power supply output; in constant current discharge loop has a third normally open contacts and the other charging discharging a normally open contact, a normally open contact charging the battery on the cathode side; three normally open contacts is charged with a charge relay contact, two normally open contacts is the same discharging a discharge relay contacts, said charging and discharging line package relay line package relay computer are connected to the charging and discharging switching signal output terminal; both ends of the variable resistor connected to the negative DC power supply output rectifier SCR and 电池阴极之间的两个常开触点之间和恒流放电回路中两个常开触点之间。 Between the cell cathode two normally open contacts and between the two constant-current discharge circuit between a normally open contact.
CN 200810062026 2008-05-16 2008-05-16 Power supply apparatus for pulse charging of accumulator CN101312297B (en)

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