CN204928326U - Battery becomes electricity charging device - Google Patents
Battery becomes electricity charging device Download PDFInfo
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- CN204928326U CN204928326U CN201520641066.9U CN201520641066U CN204928326U CN 204928326 U CN204928326 U CN 204928326U CN 201520641066 U CN201520641066 U CN 201520641066U CN 204928326 U CN204928326 U CN 204928326U
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Abstract
The utility model provides a battery becomes electricity charging device, including vary voltage module, three -phase bridge type rectifier module, primary module, a collection module, the 2nd collection module and control module, wherein, three -phase bridge type rectifier module links to each other with vary voltage module and primary module respectively for be the direct current with the alternating current rectification of vary voltage module output, and the primary module is given in output, a collection module is used for exporting electric current, the magnitude of voltage of the vary voltage module output of gathering for control module, the 2nd collection module is used for exporting the charging current of the battery of gathering, magnitude of voltage for control module, control module links to each other with the primary module for according to charging current, the magnitude of voltage of battery, the control primary module carries out pulse width modulation to the direct current of three -phase bridge type rectifier module output, and the direct current after will making is exported for the battery. The utility model discloses can carry out high efficiency to the battery and charge, eliminate the polarization phenomenon, reduce the harm to the battery.
Description
Technical field
The utility model relates to accumulator charging technology field, more specifically, relates to a kind of storage battery time-dependent current charging device.
Background technology
Storage battery is the important component part of marine electric installation, its startup power supply not only as diesel engine on boats and ships, but also needs for the equipment such as boats and ships communication, navigation and emergency lighting provide electric energy.The general voltage-type charging device that adopts charges to boats and ships storage battery at present.
But, carrying out in the process of charging at employing voltage-type charging device, for ensureing to be filled the charging capacity of storage battery, usually needing administrative staff to monitor in real time charging device, simultaneously according to the corresponding adjustment charging voltage of monitoring situation.
From the above, there is following shortcoming in existing charging device: the charging current curve that the labour intensity of personnel controls the charging voltage in charging process greatly, not easily, charge efficiency is low, charging current dynamically can not follow the tracks of storage battery according to the state variation of storage battery, and, a large amount of gas evolutions is easily caused in charging process, the gas of separating out easily corrodes positive plate (namely easily causing the polarization phenomena of storage battery), thus cause battery damage, and then the serious useful life affecting storage battery, be unfavorable for that boats and ships navigate by water for a long time.
Utility model content
In view of the above problems, the purpose of this utility model is to provide a kind of storage battery time-dependent current charging device, to solve the problem that existing battery charging equipment charge efficiency is low, storage battery polarization phenomena are serious.
The storage battery time-dependent current charging device that the utility model provides, comprising: voltage changing module, three-phase bridge commutating module, primary module, the first acquisition module, the second acquisition module and control module; Wherein, three-phase bridge commutating module is connected with primary module with voltage changing module respectively, is direct current, and exports to primary module for the AC rectification exported by voltage changing module; First acquisition module is connected with control module with voltage changing module respectively, and for gathering electric current, magnitude of voltage that voltage changing module exports, and the electric current exported by the voltage changing module collected, magnitude of voltage export to control module; Second acquisition module is connected with control module with storage battery respectively, for gathering charging current, the magnitude of voltage of storage battery, and the charging current of the storage battery collected, magnitude of voltage is exported to control module; Control module is connected with primary module, for the charging stage residing for the charging current according to the storage battery collected, magnitude of voltage determination storage battery, and electric current, magnitude of voltage that the charging stage residing for the storage battery determined exports with the voltage changing module collected, control primary module and pulse width modulation is carried out to the direct current that three-phase bridge commutating module exports, and the direct current after pulse width modulation is exported to storage battery.
In addition, preferred structure is: primary module comprises IPM module and AC/DC module, and wherein, IPM module is connected with three-phase bridge commutating module, direct current for being exported by three-phase bridge commutating module is converted to alternating current, and carries out pulse width modulation to changed alternating current; AC/DC module is connected with IPM module, for the alternating current after pulse width modulation is converted to direct current; Wherein, by high frequency transformer, step-down is carried out to the alternating current carried out after pulse width modulation, and filter rectification is carried out to the alternating current after step-down, to export charging current, the magnitude of voltage needed for charge in batteries.
In addition, preferred structure is: IPM module comprises IGBT, by control module control IGBT, to carry out pulse width modulation to changed alternating current, and electric current, magnitude of voltage that corresponding adjustment AC/DC module exports.
In addition, preferred structure is: the negative pulse circuit produced by pulse width modulation is discharged to storage battery.
In addition, preferred structure is: also comprise accessory power supply, for providing working power for the first acquisition module, the second acquisition module, primary module and control module.
In addition, preferred structure is: control module is digital signal processor.
In addition, preferred structure is: control module comprises voltage regulator and current regulator, by adopting self-tuning fuzzy adaptive PID control voltage regulator and current regulator.
In addition, preferred structure is: the charging stage of storage battery comprises constant-current charging phase, pulse current charge stage and constant voltage charging phase; Current regulator is for regulating the charging current in constant-current charging phase and pulse current charge stage; Voltage regulator is for regulating the charging voltage of constant voltage charging phase.
Utilize above-mentioned according to storage battery time-dependent current charging device of the present utility model, charging current is controlled in real time according to battery tension, charging current is made to meet boost battery charge current curve, negative pulse discharge is adopted in charging process, storage battery is made to flow through a larger negative pulse current, eliminate the polarization phenomena in charging process, thus while realization is rapidly and efficiently charged to storage battery, reduce the infringement to storage battery.
Accompanying drawing explanation
By reference to the content below in conjunction with the description of the drawings and claims, and understand more comprehensively along with to of the present utility model, other object of the present utility model and result will be understood and easy to understand more.In the accompanying drawings:
Fig. 1 is the first logical construction schematic diagram of the storage battery time-dependent current charging device according to the utility model embodiment;
Fig. 2 is the second logical construction schematic diagram of the storage battery time-dependent current charging device according to the utility model embodiment;
The part circuit structure schematic diagram of storage battery time-dependent current charging device of Fig. 3 for providing according to the utility model.
Label identical in all of the figs indicates similar or corresponding feature or function.
Embodiment
Below with reference to accompanying drawing, specific embodiment of the utility model is described in detail.
The problem that charge efficiency is low, energy consumption is high, polarization phenomena are serious is there is for aforementioned existing battery charging plant, the storage battery time-dependent current charging device that the utility model provides, charging current is controlled in real time according to battery tension, charging current is made to meet boost battery charge current curve, thus realization carries out charging rapidly and efficiently to storage battery, reduces the infringement to storage battery simultaneously.
In order to the storage battery time-dependent current charging device that the utility model provides is described, Fig. 1 shows the first logical construction of the storage battery time-dependent current charging device according to the utility model embodiment, and Fig. 2 shows the second logical construction of the storage battery time-dependent current charging device according to the utility model embodiment.
As shown in Figure 1, the storage battery time-dependent current charging device 100 that the utility model provides comprises: voltage changing module 110, three-phase bridge commutating module 120, primary module 130, first acquisition module 140, second acquisition module 150 and control module 160.
Wherein, the alternating current (AC) of input, first after voltage changing module 110 carries out step-down, exports to three-phase bridge commutating module 120.The input of three-phase bridge commutating module 120 is connected with voltage changing module 110, output is connected with primary module 130, for being direct current (that is: the AC rectification exported by voltage changing module is direct current) by the AC rectification after step-down, and export to primary module 130 by the output of three-phase bridge commutating module 120.
First acquisition module 140 is connected with control module 160 with voltage changing module 110 respectively.Wherein, electric current, magnitude of voltage that the first acquisition module 140 exports to three-phase bridge commutating module 120 for gathering voltage changing module 110, and the electric current exported by collected voltage changing module 110, magnitude of voltage export to control module 160.
Second acquisition module 150 is connected with control module 160 with storage battery 170 respectively.The charging current of the storage battery 170 collected, magnitude of voltage for gathering charging current, the magnitude of voltage of storage battery 170, and are exported to control module 160 by the second acquisition module 150.
Control module 160 is connected with primary module 130, for the charging stage residing for the charging current of the storage battery 170 that collects according to the second acquisition module 150, magnitude of voltage determination storage battery, and electric current, magnitude of voltage that the voltage changing module 110 that collects of charging stage residing for the storage battery 170 determined and the first acquisition module 140 exports, control the direct current that the primary module 130 pairs of three-phase bridge commutating modules 120 export and carry out pulse width modulation, to charge required charging current, magnitude of voltage to obtain storage battery 170; Storage battery 170 is connected with primary module 130, for accepting electric current, magnitude of voltage that primary module 130 exports.
Further, as shown in Figure 2, voltage changing module 110 is by after the alternating current transformation of input, and export to three-phase bridge commutating module 120, the direct current after rectification is exported to primary module by three-phase bridge commutating module 120.Wherein, primary module comprises IPM (IntelligentPowerModule, Intelligent Power Module) module 131 and AC/DC module 132.Wherein, IPM module 131 is connected with three-phase bridge commutating module 120, direct current for being exported by three-phase bridge commutating module 120 is converted to alternating current, and the electric current collected according to the first acquisition module 140 and the second acquisition module 150, magnitude of voltage carry out pulse width modulation (wherein to changed alternating current, electric current, magnitude of voltage that first acquisition module 140 exports for gathering voltage changing module 110, the second acquisition module 150 is for gathering charging current, the magnitude of voltage of storage battery 170); AC/DC module 132 is connected with IPM module 131, for the alternating current after pulse width modulation is converted to direct current; Wherein, by high frequency transformer, step-down is carried out to the alternating current carried out after pulse width modulation, and filter rectification is carried out to the alternating current after step-down, to export charging current, the magnitude of voltage needed for charge in batteries.
Particularly, in order to realize charging stage by stage to storage battery, IPM module 131 also comprises IGBT (InsulatedGateBipolarTransistor, insulated gate bipolar transistor), controlled by control module 160 couples of IGBT, thus pulse width modulation is carried out to changed alternating current, and electric current, magnitude of voltage that corresponding adjustment AC/DC module 132 exports.It should be noted that, in the process of carrying out pulse width modulation, the negative pulse circuit produced by pulse width modulation is discharged to storage battery, thus eliminates the polarization reaction of storage battery.
Further, Fig. 3 shows the part circuit structure of the storage battery time-dependent current charging device provided according to the utility model.
As shown in Figure 3, the alternating current of input enters rectified three-phase circuit (D1 ~ D6) after transformation, AC rectification after transformation is through L1 after direct current by rectified three-phase circuit, R1, after C1 filtering, pass through again by Q1 ~ Q4, direct current is converted to alternating current by the inverter circuit of D7 ~ D10 composition, and by the break-make of control IGBT, pulse width modulation is carried out to changed alternating current, utilize the negative pulse circuit of generation to eliminate the polarization reaction of storage battery simultaneously, then will through C2, T1, D11, D12 carries out step-down, and pass through L3, C3 carries out filter rectification to the alternating current after step-down, to export the charging current needed for charge in batteries, magnitude of voltage.
In addition, the storage battery time-dependent current charging device that the utility model provides also comprises the accessory power supply (not shown) for providing working power to the first acquisition module, the second acquisition module, primary module and control module.This accessory power supply adopts special AC/DC power module to form, and can provide reliable working power for above-mentioned each module.
In the process that the storage battery time-dependent current charging device provided utilizing the utility model charges to storage battery, the charging stage of storage battery comprises constant-current charging phase, pulse current charge stage and constant voltage charging phase.Wherein, realize constant current to the charge in batteries stage or Isobarically Control by the control algolithm preset, and by the judgement to battery condition, realize the conversion of different charging stage pattern.
In addition, control module can adopt the digital signal processor DSP 28335 of TI company as master controller, and it can provide the Real-Time Monitoring of charged state for whole charging process and accurately control.Wherein, control module comprises voltage regulator and current regulator two parts composition, by adopting fuzzy self-tuning PID (ProportionalIntegralDerivative, proportion integration differentiation) control above-mentioned voltage regulator and current regulator, and according to the input as control module of the charging current of storage battery, the error of voltage and error rate, adjusted the controling parameters of PID by the value of input, thus ensure that control module has good stability and dynamic response performance.
Particularly, as follows in the process utilizing above-mentioned charging device to charge to storage battery:
Constant-current charging phase: adopt the first charging current to carry out constant current charge to storage battery, until when the magnitude of voltage of storage battery reaches the first preset voltage value, enters the pulse current charge stage; Wherein, the first charging current value sets according to the rated capacity of storage battery, and the first preset voltage value sets according to the load voltage value of storage battery.
The pulse current charge stage: according to the positive pulse charging interval of presetting and negative pulse discharge time, positive pulse charging is adopted to carry out cycle pulse charging with the mode that negative pulse discharge replaces to storage battery, at the end of a cycle pulse charge cycle, reduce positive pulse current value and negative pulse current value, and reduce positive pulse charging interval and negative pulse discharge time simultaneously, then next cycle pulse charge cycle is carried out, until when positive pulse current value reaches the second charging current value, enter constant voltage charging phase.
Constant voltage charging phase: adopt constant voltage charging method to carry out boost charge to storage battery; Wherein, the magnitude of voltage of boost charge sets according to the load voltage value of storage battery.
In above-mentioned charging process, current regulator regulates constant-current charging phase and the charging current in pulse current charge stage; The charging voltage of voltage regulator to constant voltage charging phase regulates.Wherein, when the electric current that control module exports is less than pre-set current value, voltage regulator plays regulatory role, and when output current is greater than or equal to default current value, current regulator plays regulatory role.
By above-mentioned known, the storage battery time-dependent current charging device that the utility model provides adopts variable pulse multistage charging modes to charge to storage battery, and charging current can be made to meet boost battery charge curve; Meanwhile, in charging process, adopt negative pulse to eliminate the polarity effect of storage battery, while raising charge efficiency, reduce the infringement to storage battery.
Describe in an illustrative manner according to storage battery time-dependent current charging device of the present utility model above with reference to accompanying drawing.But, it will be appreciated by those skilled in the art that the storage battery time-dependent current charging device that above-mentioned the utility model is proposed, various improvement can also be made on the basis not departing from the utility model content.Therefore, protection range of the present utility model should be determined by the content of appending claims.
Claims (8)
1. a storage battery time-dependent current charging device, comprises voltage changing module, it is characterized in that, also comprises three-phase bridge commutating module, primary module, the first acquisition module, the second acquisition module and control module; Wherein,
Described three-phase bridge commutating module is connected with described primary module with described voltage changing module respectively, is direct current, and exports to described primary module for the AC rectification exported by described voltage changing module;
Described first acquisition module is connected with described control module with described voltage changing module respectively, and for gathering electric current, magnitude of voltage that described voltage changing module exports, and the electric current exported by the described voltage changing module collected, magnitude of voltage export to described control module;
Described second acquisition module is connected with described control module with storage battery respectively, for gathering charging current, the magnitude of voltage of described storage battery, and the charging current of the described storage battery collected, magnitude of voltage is exported to described control module;
Described control module is connected with described primary module, the charging stage residing for described storage battery is determined for the charging current according to the described storage battery that collects, magnitude of voltage, and electric current, magnitude of voltage that the charging stage residing for the described storage battery determined exports with the described voltage changing module collected, control described primary module and pulse width modulation is carried out to the direct current that described three-phase bridge commutating module exports, and the direct current after pulse width modulation is exported to described storage battery.
2. storage battery time-dependent current charging device as claimed in claim 1, it is characterized in that, described primary module comprises IPM module and AC/DC module, wherein,
Described IPM module is connected with described three-phase bridge commutating module, is converted to alternating current for the direct current exported by described three-phase bridge commutating module, and carries out pulse width modulation to changed alternating current;
Described AC/DC module is connected with described IPM module, for the alternating current after pulse width modulation is converted to direct current; Wherein, by high frequency transformer, step-down is carried out to the alternating current carried out after pulse width modulation, and filter rectification is carried out to the alternating current after step-down, to export charging current, the magnitude of voltage needed for described charge in batteries.
3. storage battery time-dependent current charging device as claimed in claim 2, it is characterized in that, described IPM module comprises IGBT, controls described IGBT by described control module, to carry out pulse width modulation to changed alternating current, and electric current, magnitude of voltage that the described AC/DC module of corresponding adjustment exports.
4. storage battery time-dependent current charging device as claimed in claim 3, it is characterized in that, the negative pulse circuit produced by pulse width modulation is discharged to described storage battery.
5. storage battery time-dependent current charging device as claimed in claim 1, is characterized in that, also comprise accessory power supply, for providing working power for described first acquisition module, the second acquisition module, primary module and control module.
6. storage battery time-dependent current charging device as claimed in claim 1, it is characterized in that, described control module is digital signal processor.
7. storage battery time-dependent current charging device as claimed in claim 1, it is characterized in that, described control module comprises voltage regulator and current regulator, by adopting voltage regulator and current regulator described in self-tuning fuzzy adaptive PID control.
8. storage battery time-dependent current charging device as claimed in claim 7, it is characterized in that, the charging stage of described storage battery comprises constant-current charging phase, pulse current charge stage and constant voltage charging phase; Wherein,
Described current regulator is for regulating the charging current in described constant-current charging phase and pulse current charge stage;
Described voltage regulator is for regulating the charging voltage of described constant voltage charging phase.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520641066.9U CN204928326U (en) | 2015-08-24 | 2015-08-24 | Battery becomes electricity charging device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520641066.9U CN204928326U (en) | 2015-08-24 | 2015-08-24 | Battery becomes electricity charging device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018045920A1 (en) * | 2016-09-08 | 2018-03-15 | 宁德新能源科技有限公司 | Method and apparatus for charging secondary batteries |
| WO2021190339A1 (en) * | 2020-03-26 | 2021-09-30 | 华为技术有限公司 | Charging circuit, method and system, and battery and electronic device |
-
2015
- 2015-08-24 CN CN201520641066.9U patent/CN204928326U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018045920A1 (en) * | 2016-09-08 | 2018-03-15 | 宁德新能源科技有限公司 | Method and apparatus for charging secondary batteries |
| WO2021190339A1 (en) * | 2020-03-26 | 2021-09-30 | 华为技术有限公司 | Charging circuit, method and system, and battery and electronic device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151230 Termination date: 20160824 |
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| CF01 | Termination of patent right due to non-payment of annual fee |