CN204361203U - A kind of battery balanced module voltage separate-blas estimation trims system - Google Patents

A kind of battery balanced module voltage separate-blas estimation trims system Download PDF

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Publication number
CN204361203U
CN204361203U CN201420842527.4U CN201420842527U CN204361203U CN 204361203 U CN204361203 U CN 204361203U CN 201420842527 U CN201420842527 U CN 201420842527U CN 204361203 U CN204361203 U CN 204361203U
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voltage
module
balance module
master control
balance
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CN201420842527.4U
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华大授
奚淡基
周逊伟
王丽琴
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Hangzhou Polytron Technologies Inc
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HANGZHOU BMSER TECHNOLOGY Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

A kind of battery balanced module voltage separate-blas estimation trims system, comprise by the balance module trimmed, described balance module is connected with the automatic regulating voltage deviation master control borad trimmed its output voltage, described automatic regulating voltage deviation master control borad is also connected with the direct current programmable power supply of power supply, described automatic regulating voltage deviation master control borad comprises single-chip microcomputer, described single-chip microcomputer is connected with and the input voltage of balance module and output voltage is sampled and exports to its voltage sample module, the voltage regulator module after receiving its voltage deviation signal obtained, the output voltage of balance module adjusted, the input voltage of the balance module that the voltage sample module samples received arrives by described single-chip microcomputer and output voltage relatively after, output voltage deviate signal is to voltage regulator module, the output voltage of balance module trims to consistent with input voltage according to voltage deviation value by voltage regulator module.

Description

A kind of battery balanced module voltage separate-blas estimation trims system
Technical field
The utility model relates to a kind of battery balanced module voltage separate-blas estimation and trims system.
Background technology
Along with the fast development of economy and improving constantly of living standard, the demand of the mankind to the energy constantly expands.Traditional energy brings two large problems to society: one is energy crisis---and traditional energy day by day reduces having of getting and uses up, and two is environmental pollutions---and traditional energy becomes increasingly conspicuous to the harm that environment causes.At this moment novel energy can be had to carry out the energy resource structure of the supplementary mankind with regard to needing, maintaining long-range sustainable development.Lithium battery becomes the focus that people pay attention to its exclusive advantage.Especially the application on electric automobile, is approved gradually widely as car load power supply.In order to obtain required voltage and electric current, often need connection in series-parallel a large amount of for lithium battery to rise and be used as a whole bag use, but there is very large difference between single lithium battery, when carrying out discharge and recharge to whole bag battery, due to the difference of monomer, life-span and the cycle period of battery will be shortened greatly.Just based on this situation, battery balancedly just seem particularly important, but due to the consistency of the voltage deviation of battery balanced module own, this will directly have influence on the quality of battery balanced effect, so need automatically to detect their difference and adjust corresponding voltage deviation.
Prior art is series-connected batteries automatic equalization regulating method and device, this device is made up of a DC/DC converter, the positive and negative end of its input termination battery pack, and the identical DC output end of N group receives the positive and negative electrode of N corresponding battery respectively, as long as start high frequency pulse generator work, converter just directly can carry out power energy allocation according to each cell voltage height, realize being shifted by the electricity of high-capacity battery to low-capacity batteries, make each cell voltage, electricity tend to consistent, realize balanced.This automatic equalization regulating method can avoid battery pack that overcharge and overdischarge phenomenon occur in charge and discharge process, and protection battery pack, extends its useful life.But the design comparison of the program theorizes, implement very difficult, and it is higher to realize cost.But also there is following shortcoming in balance module: traditional voltage bias Detection and adjustment mainly adjusts the voltage bias of chip-scale, but after chip is used for module, due to the impact of external circuit, new voltage error will be there is in the voltage bias adjusted, although generally this deviate can't be very large, but it is battery balanced very high to voltage accuracy requirement, particularly to the battery that platform voltage is more flat, as ferric phosphate lithium cell, need to adjust voltage bias accurately, so, after balance module is carried out, need to carry out voltage deviation adjustment, improve voltage accuracy.If only adjust voltage in the chips, due to other elements in application circuit, as electronics, electric capacity etc. as in the past, the impact of precision, the voltage bias of final products can not reach optimum state, can make to be mixed with defective item in the product produced, and reduces the rate of finished products of product.If such products application is on battery, cell can be caused to be drawn partially, thus affect the life-span of FCL battery, even damage battery, cause system to use, also poorer than not adding equilibrium.And traditional voltage bias adjustment is difficult to the final test result of statistical module, for the upgrading of product and development also unfavorable to some extent, and Voltage Cortrol process is irreversible, namely shapes once adjust, and is easy to the infringement and the waste that cause module like this.
Summary of the invention
The utility model provides a kind of easy and simple to handle understandable, trims speed fast, effective, can improve the outgoing of product and the portfolio effect of battery, and the battery balanced module voltage separate-blas estimation extending the life-span of battery pack trims system.
The technical solution adopted in the utility model is:
A kind of battery balanced module voltage separate-blas estimation trims system, it is characterized in that: comprise by the balance module trimmed, described balance module is connected with the automatic regulating voltage deviation master control borad trimmed its output voltage, described automatic regulating voltage deviation master control borad is also connected with the direct current programmable power supply of power supply, described automatic regulating voltage deviation master control borad comprises single-chip microcomputer, described single-chip microcomputer is connected with and the input voltage of balance module and output voltage is sampled and exports to its voltage sample module, the voltage regulator module after receiving its voltage deviation signal obtained, the output voltage of balance module adjusted, the input voltage of the balance module that the voltage sample module samples received arrives by described single-chip microcomputer and output voltage relatively after, output voltage deviate signal is to voltage regulator module, the output voltage of balance module trims to consistent with input voltage according to voltage deviation value by voltage regulator module.The mode of operation of the utility model balance module to have on energy arq mode under arq mode and energy, the voltage of upper and lower two element cells of balance module primary equalization, when a upper cell voltage is greater than the voltage of next unit battery, balance module is operated in arq mode under energy, when next cell voltage is greater than the voltage of a upper element cell, balance module is operated in arq mode on energy, automatic regulating voltage deviation master control borad is sampled to the magnitude of voltage under balance module different working modes, voltage deviation value is drawn again by corresponding algorithm, then adjust according to the output voltage of voltage deviation value to balance module, the utility model is directly adjusted the output voltage of balance module by automatic regulating voltage deviation master control borad, make it consistent with input voltage, eliminate the error that peripheral circuit is introduced, under identical components accuracy, reduce the error of final products.
Further, boosting fuse for heightening multiple parallel connections of output voltage after blowing and the step-down fuse for turning down multiple parallel connections of output voltage after blowing is provided with in described balance module.If the input voltage of balance module is 3.30V, output voltage values is 3.34V, can by blowing a certain step-down fuse in balance module, and voltage is dropped to 3.28V, and in the disconnected balance module that reburns, it is raised to 3.30V by a certain boosting fuse.The boost value that each boosting fuse is corresponding is different, and the step-down value that each step-down fuse is corresponding is also different, can carry out as required arranging.
Further, described voltage regulator module comprises the Voltage Cortrol control module be connected with single-chip microcomputer, described Voltage Cortrol control module is connected with by its control to enter adjustment modes enter voltage-constrained mode switch, by its control according to voltage deviation value select the selector switch of corresponding boosting fuse or step-down fuse in balance module, by its control to export blow that signal blows corresponding fuse to balance module blow switch.Voltage regulator module is after the voltage deviation value signal receiving single-chip microcomputer transmission, Voltage Cortrol control module will enter voltage-constrained mode switch and be adjusted to Dietary behavior, corresponding boosting fuse or step-down fuse is selected according to voltage deviation value signal again by selector switch, finally export and blow signal by blowing switch and blow the fuse that selector switch selects to balance module, realize the adjustment of balance module bias voltage.
Further, described automatic regulating voltage deviation master control borad also comprises the multiple power supplies be connected with direct current programmable power supply, and described multiple power supplies is connected with single-chip microcomputer, voltage sample module, voltage regulator module respectively.
Further, described automatic regulating voltage deviation master control borad is also provided with and selects the type of balance module and the toggle switch of mode of operation, show multiple indicator light of its operating state and the buzzer of warning.Before trimming, need type and the mode of operation of first being selected balance module by toggle switch.Indicator light is then used for showing the current residing state of master control borad, and when power pack is normal, the lantern festival of VCC is light; Work as everything in readiness, when waiting for work, the indicator light of Ready can be bright; When master control borad trims, the indicator light of Burning can be bright; When module trims successfully, the indicator light of pass can be light.
Further, described automatic regulating voltage deviation master control borad also with for printing shows data and output order is connected to its PC.The input voltage sampled and output voltage and voltage deviation value are sent to PC display and preserve by automatic regulating voltage deviation master control borad, check or assign work order with personnel to be tested.
The beneficial effects of the utility model: the Voltage Cortrol directly carried out balance module, eliminate the error that peripheral circuit is introduced, and under identical components accuracy, reduce the error of final products.Except improving except voltage accuracy, also can preserve a large amount of test datas, balance module voltage bias is added up, for product up-gradation and effective rate of utilization etc. are as original foundation.
Accompanying drawing explanation
Fig. 1 is schematic block circuit diagram of the present utility model.
Fig. 2 is concrete structure block diagram of the present utility model.
Fig. 3 is workflow diagram of the present utility model.
Embodiment
Below in conjunction with specific embodiment, the utility model is further described, but the utility model is not confined to these embodiments.One skilled in the art would recognize that the utility model covers all alternatives, improvement project and the equivalents that may comprise in Claims scope.
With reference to Fig. 1-3, a kind of battery balanced module voltage separate-blas estimation trims system, comprise by the balance module 1 trimmed, described balance module 1 is connected with the automatic regulating voltage deviation master control borad 2 trimmed its output voltage, described automatic regulating voltage deviation master control borad 2 is also connected with the direct current programmable power supply 3 of power supply, described automatic regulating voltage deviation master control borad 2 comprises single-chip microcomputer 21, described single-chip microcomputer 21 is connected with and the input voltage of balance module 1 and output voltage is sampled and exports to its voltage sample module 22, the voltage regulator module after receiving its voltage deviation signal obtained, the output voltage of balance module 1 adjusted, the input voltage of the balance module 1 that the voltage sample module 22 received samples by described single-chip microcomputer 21 and output voltage relatively after, output voltage deviate signal is to voltage regulator module, the output voltage of balance module 1 trims to consistent with input voltage according to voltage deviation value by voltage regulator module.The mode of operation of the utility model balance module 1 to have on energy arq mode under arq mode and energy, the voltage of upper and lower two element cells of balance module 1 primary equalization, when a upper cell voltage is greater than the voltage of next unit battery, balance module 1 is operated in arq mode under energy, when next cell voltage is greater than the voltage of a upper element cell, balance module 1 is operated in arq mode on energy, magnitude of voltage under automatic regulating voltage deviation master control borad 2 pairs of balance module 1 different working modes is sampled, voltage deviation value is drawn again by corresponding algorithm, then adjust according to the output voltage of voltage deviation value to balance module 1, the utility model is directly adjusted the output voltage of balance module 1 by automatic regulating voltage deviation master control borad 2, make it consistent with input voltage, eliminate the error that peripheral circuit is introduced, under identical components accuracy, reduce the error of final products.
Boosting fuse (not indicating in figure) for heightening multiple parallel connections of output voltage after blowing and the step-down fuse (not indicating in figure) for turning down multiple parallel connections of output voltage after blowing is provided with in balance module 1 described in the utility model.If the input voltage of balance module 1 is 3.30V, output voltage values is 3.34V, and by blowing a certain step-down fuse in balance module 1, voltage can be dropped to 3.28V, in the disconnected balance module 1 that reburns, it is raised to 3.30V by a certain boosting fuse.The boost value that each boosting fuse is corresponding is different, and the step-down value that each step-down fuse is corresponding is also different, can carry out as required arranging.
Voltage regulator module described in the utility model comprises the Voltage Cortrol control module 23 be connected with single-chip microcomputer 21, described Voltage Cortrol control module 23 is connected with by its control to enter adjustment modes enter voltage-constrained mode switch 24, by its control according to voltage deviation value select the selector switch 25 of corresponding boosting fuse or step-down fuse in balance module 1, by its control to export blow that signal blows corresponding fuse to balance module 1 blow switch 26.Voltage regulator module is after the voltage deviation value signal receiving single-chip microcomputer 21 transmission, Voltage Cortrol control module 23 will enter voltage-constrained mode switch 24 and be adjusted to Dietary behavior, corresponding boosting fuse or step-down fuse is selected according to voltage deviation value signal again by selector switch 25, finally export and blow signal by blowing switch 26 and blow the fuse that selector switch selects to balance module 1, realize the adjustment of balance module 1 bias voltage.
Described in the present embodiment, automatic regulating voltage deviation master control borad 2 also comprises the multiple power supplies 27 be connected with direct current programmable power supply 3, and described multiple power supplies 27 is connected with single-chip microcomputer 21, voltage sample module 22, voltage regulator module respectively.
Automatic regulating voltage deviation master control borad 2 described in the present embodiment is also provided with and selects the type of balance module 1 and the toggle switch (not indicating in figure) of mode of operation, show multiple indicator lights (not indicating in figure) of its operating state and the buzzer (not indicating in figure) of warning.Before trimming, need type and the mode of operation of first being selected balance module 1 by toggle switch.Indicator light is then used for showing the current residing state of master control borad, and when power pack is normal, the lantern festival of VCC is light; Work as everything in readiness, when waiting for work, the indicator light of Ready can be bright; When master control borad trims, the indicator light of Burning can be bright; When module trims successfully, the indicator light of pass can be light.
Automatic regulating voltage deviation master control borad 2 described in the present embodiment also with for printing shows data and output order is connected to its PC 4.The input voltage sampled and output voltage and voltage deviation value are sent to PC 4 and show preservation by automatic regulating voltage deviation master control borad 2, check or assign work order with personnel to be tested.
When the utility model uses, before automatic regulating voltage deviation master control borad 2 powers on, need type and the mode of operation of being selected balance module by toggle switch.After automatic regulating voltage deviation master control borad 4 powers on, system initialization, after initialization completes, system carries out parameter configuration, then enters test, carrys out control voltage sampling by external hardware button, and PC 4 can print corresponding test result, after judging that data effectively, need to calculate voltage deviation when balance module 1 works, then export corresponding level by control optocoupler and carry out voltage deviation adjustment.Once trim failure, will change the main control chip of balance module 1, because fuse just cannot recover once blowing, the main control chip voltage of each module trims just cannot have been changed once end.
The concrete operating procedure of the utility model is as follows:
1. voltage input, corresponding different balance module 1 arranges different magnitudes of voltage and cut-off current.Switch power supply, now the lantern festival of VCC is light, shows that automatic regulating voltage deviation master control borad 2 is powered normally.
2. the connecting line on measurement jig is received on automatic regulating voltage deviation master control borad 2.
3. oscilloscope is connected, see that whether system is working properly.
4. be denoted as BOOT0 by toggle switch, the dial-up of DEBUG is dialled up, and now, the indicator light of Ready is bright, shows ready, waits beginning to be tested.
5. balance module 1 is put on measurement jig.
6. click the button of beginning, now, the indicator light of Burning lights, and shows to detect to trim, and detects the result that trims by serially printing on PC.
7. wait for test result.
If 8. trim successfully, now, the indicator light of pass lights, and show that balance module 1 trims successfully, buzzer is once.If the indicator light of Fail lights, show that current equalization module 1 trims failure, buzzer call.
9. the balance module 1 trimming failure is put into module recovery place and waits for aftertreatment, then carry out the coordination of next balance module 1.
10. from the 5th step, carry out next one test and trim work.

Claims (6)

1. a battery balanced module voltage separate-blas estimation trims system, it is characterized in that: comprise by the balance module trimmed, described balance module is connected with the automatic regulating voltage deviation master control borad trimmed its output voltage, described automatic regulating voltage deviation master control borad is also connected with the direct current programmable power supply of power supply, described automatic regulating voltage deviation master control borad comprises single-chip microcomputer, described single-chip microcomputer is connected with and the input voltage of balance module and output voltage is sampled and exports to its voltage sample module, the voltage regulator module after receiving its voltage deviation signal obtained, the output voltage of balance module adjusted, the input voltage of the balance module that the voltage sample module samples received arrives by described single-chip microcomputer and output voltage relatively after, output voltage deviate signal is to voltage regulator module, the output voltage of balance module trims to consistent with input voltage according to voltage deviation value by voltage regulator module.
2. battery balanced module voltage separate-blas estimation as claimed in claim 1 trims system, it is characterized in that: be provided with boosting fuse for heightening multiple parallel connections of output voltage after blowing and the step-down fuse for turning down multiple parallel connections of output voltage after blowing in described balance module.
3. battery balanced module voltage separate-blas estimation as claimed in claim 2 trims system, it is characterized in that: described voltage regulator module comprises the Voltage Cortrol control module be connected with single-chip microcomputer, described Voltage Cortrol control module is connected with by its control to enter adjustment modes enter voltage-constrained mode switch, by its control according to voltage deviation value select the selector switch of corresponding boosting fuse or step-down fuse in balance module, by its control to export blow that signal blows corresponding fuse to balance module blow switch.
4. battery balanced module voltage separate-blas estimation as claimed in claim 1 trims system, it is characterized in that: described automatic regulating voltage deviation master control borad also comprises the multiple power supplies be connected with direct current programmable power supply, and described multiple power supplies is connected with single-chip microcomputer, voltage sample module, voltage regulator module respectively.
5. battery balanced module voltage separate-blas estimation as claimed in claim 1 trims system, it is characterized in that: described automatic regulating voltage deviation master control borad is also provided with and selects the type of balance module and the toggle switch of mode of operation, show multiple indicator light of its operating state and the buzzer of warning.
6. the battery balanced module voltage separate-blas estimation as described in one of claim 1 ~ 5 trims system, it is characterized in that: described automatic regulating voltage deviation master control borad also with for printing shows data and output order is connected to its PC.
CN201420842527.4U 2014-12-25 2014-12-25 A kind of battery balanced module voltage separate-blas estimation trims system Active CN204361203U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104577228A (en) * 2014-12-25 2015-04-29 杭州协能科技有限公司 System for detecting and trimming voltage deviation of battery equalization modules

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104577228A (en) * 2014-12-25 2015-04-29 杭州协能科技有限公司 System for detecting and trimming voltage deviation of battery equalization modules
WO2016101918A1 (en) * 2014-12-25 2016-06-30 杭州协能科技股份有限公司 System for detecting and adjusting voltage deviation of battery equalization module

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Address after: Zhejiang science and technology industrial building 80 No. 310012 Zhejiang city of Hangzhou province Xihu District GUCUI Road Room 801

Patentee after: Hangzhou Polytron Technologies Inc

Address before: Hangzhou City, Zhejiang province 310012 GUCUI Road No. 80, Zhejiang science and Technology Industrial Building 8 floor

Patentee before: Hangzhou Bmser Technology Co., Ltd.