CN103904720A - Intelligent equalizing charger - Google Patents
Intelligent equalizing charger Download PDFInfo
- Publication number
- CN103904720A CN103904720A CN201310148214.9A CN201310148214A CN103904720A CN 103904720 A CN103904720 A CN 103904720A CN 201310148214 A CN201310148214 A CN 201310148214A CN 103904720 A CN103904720 A CN 103904720A
- Authority
- CN
- China
- Prior art keywords
- circuit
- change
- battery
- over circuit
- information acquisition
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000006243 chemical reaction Methods 0.000 abstract 8
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000009467 reduction Effects 0.000 description 7
- 238000001914 filtration Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000012937 correction Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000013519 translation Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Images
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to an intelligent equalizing charger which comprises a CPU controller, an AC/DC conversion circuit, a plurality of DC/DC conversion circuits and an auxiliary power circuit. The auxiliary power circuit is electrically connected with the AC/DC conversion circuit, the DC/DC conversion circuits and the CPU controller. The intelligent equalizing charger further comprises a battery pack information collecting circuit and a plurality of single-battery information collecting circuit, wherein the CPU controller is electrically connected with the AC/DC conversion circuit and the DC/DC conversion circuits, meanwhile, the AC/DC conversion circuit is connected with one end of the battery pack information collecting circuit, the other end of the battery pack information collecting circuit is connected with a battery pack, the DC/DC conversion circuits are connected with one end of the single-battery information collecting circuit, and the other end of the single-battery information collecting circuit is connected with single-batteries. By aid of the intelligent equalizing charger, the purpose of equalizing charger is achieved, the utilization rate of batteries is effectively improved, and the service life of the batteries is prolonged.
Description
Technical field
The present invention relates to a kind of charger to charge in batteries such as lithium battery, lead-acid battery, super capacitors, particularly relate to a kind of intelligent equalized charger that can suppress multi-section serial battery Unbalance charging.
Background technology
As everyone knows, there is an operating voltage interval in storage battery, charging deboost is had to strict requirement in the time of charging, once exceed charging deboost, will battery be produced to irreversible and impact that cannot recover.For the charger that uses monoblock battery, the control of charging voltage is very easy to, technical also very ripe.But once become series battery to use polylith battery pack, it is just so uneasy to want to realize to the accurate control of every series-connected cell, has become now technical a great problem.
For meeting the market requirement, conventionally polylith battery strings is unified into battery pack and uses, so as to improving operating voltage and electric current.But affected by the factors such as battery raw material quality, production technology, operating ambient temperature, even same model, the battery of same batch, its performance also can not be identical, comprises capacity, voltage, internal resistance, charging performance and state-of-charge etc.When these battery strings are linked togather after repeatedly use, difference between battery will manifest gradually, there is difference in the voltage of each battery, cause indivedual over-charging of battery or do not fill full, battery pack active volume obviously reduces, even also may occur the danger such as blast, these are all that the appearance of the charger of intelligent equalized charging efficiently solves this technological difficulties because the unbalanced of battery causes.
Because the unbalanced problems of bringing of above-mentioned multiple batteries series connection, rich experiences and the relevant professional knowledge of the inventor based on being engaged in this type of research and development of products design and accumulating for many years, the method of utilization science, actively research and innovation in addition, to designing a kind of novel charger, can overcome the existing unbalanced problem of existing multiple batteries charging, make it have more advance.Through continuous research and design, and through repeatedly studying sample and improvement, finally design the present invention who has practical value.
Summary of the invention
The object of the invention is is providing a kind of intelligent equalized charger, it is by detecting charging voltage and the current information of every batteries, feed back to cpu controller and control DC/DC change-over circuit, make voltage and the capacity of each batteries reach balanced, improve the utilance of battery capacity, extended the life-span of battery.
The object of the invention to solve the technical problems is to adopt following technical scheme to realize.A kind of intelligent equalized charger of the present invention, comprises cpu controller, AC/DC change-over circuit, multiple DC/DC change-over circuit and auxiliary power circuit, and this auxiliary power circuit is electrically connected with AC/DC change-over circuit, multiple DC/DC change-over circuit and cpu controller; It also comprises: battery pack information Acquisition Circuit and multiple single battery information acquisition circuit; Wherein, this cpu controller is connected with AC/DC change-over circuit and multiple DC/DC change-over circuit; This AC/DC change-over circuit connects one end of battery pack information Acquisition Circuit simultaneously, and the other end of battery pack information Acquisition Circuit connects battery pack; Multiple DC/DC change-over circuits connect one end of multiple single battery information acquisition circuits, and the other end of multiple single battery information acquisition circuits connects single battery
Object of the present invention and solve its technical problem and can also be further achieved by the following technical measures.
Preferably, aforesaid intelligent equalized charger, the wherein built-in single-chip microcomputer of this AC/DC change-over circuit, this single-chip microcomputer connects cpu controller and battery pack information Acquisition Circuit.
Preferably, aforesaid intelligent equalized charger, the wherein built-in single-chip microcomputer of this DC/DC change-over circuit, this single-chip microcomputer connects cpu controller and single battery information acquisition circuit.
Preferably, aforesaid intelligent equalized charger, wherein the number of this DC/DC change-over circuit, single battery information acquisition circuit and single battery is identical.
By technique scheme, the intelligent equalized charger of the present invention at least has following advantages and beneficial effect: by the present invention,
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of specification, and for above and other object of the present invention, feature and advantage can be become apparent, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, be described in detail as follows.
Accompanying drawing explanation
Fig. 1 is the structural representation of the intelligent equalized charger of embodiments of the invention.
Embodiment
Technological means and effect of taking for reaching predetermined goal of the invention for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, to its embodiment of the intelligent equalized charger of one, structure, feature and effect thereof of proposing according to the present invention, be described in detail as follows.
Consulting shown in Fig. 1, is the structural representation of the intelligent equalized charger of embodiments of the invention; In an embodiment, this intelligent equalized charger comprises cpu controller 1,2,8 DC/DC change-over circuits 3 of AC/DC change-over circuit, 4,8 single battery information acquisition circuits 4 of battery pack information Acquisition Circuit ' and auxiliary power circuit 5.
This cpu controller 1 is core of the present invention; The single-chip microcomputer 21 of this cpu controller 1 and AC/DC change-over circuit 2, and the single-chip microcomputer 31 of each DC/DC change-over circuit 3 connects, and by CAN communication, receive the electric current and voltage information of battery pack A or single battery, send after treatment control command, determine whether charge.Wherein, in this cpu controller 1, be provided with battery pack maximum charging voltage, battery pack maximum charging current, battery pack number, battery pack reparation voltage pressure reduction, single-unit maximum charging voltage, the maximum euqalizing current of single-unit and battery pack temperature compensation etc.
Before charging, according to demand, first this cpu controller 1 is arranged.For example in the present embodiment, the battery pack number in cpu controller 1 is set to 8, and other are similar, repeat no more.
This AC/DC change-over circuit 2 comprises input soft starting circuit 11, EMC current rectifying and wave filtering circuit 12, circuit of power factor correction 13 and transformer translation filtering circuit 14, simultaneously its built-in single-chip microcomputer 21; This AC/DC change-over circuit 2 is connected with cpu controller 1 by single-chip microcomputer 21, this AC/DC change-over circuit 2 is electrically connected respectively with described 8 DC/DC change-over circuits 3, this AC/DC change-over circuit 2 is electrically connected with battery pack information Acquisition Circuit 4, and this battery pack information Acquisition Circuit 4 is electrically connected with whole battery pack A simultaneously.
In actual applications, the alternating current of input (being conventional alternating current), is converted to after direct current through input soft starting circuit 11, EMC current rectifying and wave filtering circuit 12; Pass through again circuit of power factor correction 13, by transformer translation filtering circuit 14, supply power voltage is converted to the needed supply power voltage of DC/DC change-over circuit 3, and after rectifying and wave-filtering, exports DC/DC change-over circuit 3 to; Simultaneously, this battery pack information Acquisition Circuit 4 gathers the electric current and voltage information of battery pack A, and the electric current and voltage information of this battery pack A is stored in to single-chip microcomputer 21, transfer to again cpu controller 1, this cpu controller 1 is according to the information receiving, send the single-chip microcomputer 21 of control command to AC/DC change-over circuit 2, control AC/DC change-over circuit 2 for battery pack A charging; In the time that this cpu controller 1 detects that battery pack A is full of electricity, this cpu controller 1 sends control command, makes AC/DC change-over circuit 2 stop charging to battery pack A.In charging process, the output voltage of this AC/DC change-over circuit is set as the ceiling voltage of battery pack, guarantee that battery pack A does not overcharge, and the input voltage range of this DC/DC change-over circuit is wider, to receive more easily the power supply of this AC/DC change-over circuit, but to guarantee to work in the minimum and ceiling voltage of battery while setting.
The built-in single-chip microcomputer 31 of this DC/DC change-over circuit 3; By single-chip microcomputer 31, this DC/DC change-over circuit 3 is connected with cpu controller 1, wherein this DC/DC change-over circuit 3 and single battery information acquisition circuit 4 ' be electrically connected this single battery information acquisition circuit 4 ' be electrically connected with single battery again.It should be noted that for simplicity of illustration, Fig. 1 only show 3 and 1 single battery information acquisition circuit 4 of 1 DC/DC change-over circuit ', but shown 8 batteries; In fact, in Fig. 1, this intelligent equalized charger also should comprise 3 and 7 single battery information acquisition circuits 4 of 7 DC/DC change-over circuits ', wherein each single battery respectively with 1 single battery information acquisition circuit 4 ' and 1 DC/DC change-over circuit be electrically connected.Therefore in actual applications, the number of this DC/DC change-over circuit and single battery information acquisition circuit is uncertain, should be consistent with the quantity of single battery, can infinitely increase, the present invention is not limited.
In actual applications, the output of this AC/DC change-over circuit connection battery pack is charged; DC/DC change-over circuit 3, by the DC direct current of input, after the buck or boost by high frequency transformer etc., converts the needed supply power voltage of single battery to; Simultaneously, the electric current and voltage information of this single battery that 8 single battery information acquisition circuits 4 ' collection is answered in contrast, and the electric current and voltage information of this single battery is stored in the single-chip microcomputer 31 of the DC/DC change-over circuit 3 of answering in contrast, then transfer to cpu controller 1; This cpu controller 1 receives respectively after this electric current and voltage information, by its contrast: in the time not existing pressure reduction differential pressure to be less than certain value between each single battery, this cpu controller 1 does not send control command; In the time existing pressure reduction and pressure reduction to reach certain value between each single battery, this cpu controller 1 sends control command, to the single-chip microcomputer 31 of DC/DC change-over circuit 3, controls DC/DC change-over circuit 3 for single battery charges, thereby supplements pressure reduction.Certainly,, in whole charging process, the number of carrying out the single battery of boost charge because of pressure reduction is dissimilar; In contrast, in the time that the voltage of 1 joint single battery is less than the voltage of other single batteries, only the single battery of this low-voltage is carried out to boost charge, or exist the voltages of 2 joint single batteries while being less than the voltage of other single batteries, just this 2 joint single battery is carried out to boost charge, by that analogy, repeat no more, between all single batteries, do not have pressure reduction thereby reach.
This auxiliary power circuit 5 is electrically connected with AC/DC change-over circuit 2, DC/DC change-over circuit 3 and cpu controller 1, it changes the high-voltage variable after circuit of power factor correction 13 into each IC chip required stable lower direct voltage, emphasis is given the core of whole charger, be that cpu controller 1 is powered, as the 12V in Fig. 1.
By the present embodiment, can make the output voltage of all single batteries very consistent, reach the object of equalizing charge, effectively improve the utilance of battery, extending battery life.
The above, it is only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction, although the present invention discloses as above with preferred embodiment, but not in order to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, when can utilizing the technology contents of above-mentioned announcement to make a little change or being modified to the equivalent embodiment of equivalent variations, in every case be the content that does not depart from technical solution of the present invention, any simple modification of above embodiment being done according to technical spirit of the present invention, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (4)
1. an intelligent equalized charger, comprises cpu controller, AC/DC change-over circuit, multiple DC/DC change-over circuit and auxiliary power circuit, and this auxiliary power circuit is electrically connected with AC/DC change-over circuit, multiple DC/DC change-over circuit and cpu controller; It is characterized in that it also comprises: battery pack information Acquisition Circuit and multiple single battery information acquisition circuit;
Wherein, this cpu controller is connected with AC/DC change-over circuit and multiple DC/DC change-over circuit; This AC/DC change-over circuit connects one end of battery pack information Acquisition Circuit simultaneously, and the other end of battery pack information Acquisition Circuit connects battery pack; Multiple DC/DC change-over circuits connect one end of multiple single battery information acquisition circuits, and the other end of multiple single battery information acquisition circuits connects single battery.
2. intelligent equalized charger according to claim 1, is characterized in that the wherein built-in single-chip microcomputer of this AC/DC change-over circuit, and this single-chip microcomputer connects cpu controller and battery pack information Acquisition Circuit.
3. intelligent equalized charger according to claim 1, is characterized in that the wherein built-in single-chip microcomputer of this DC/DC change-over circuit, and this single-chip microcomputer connects cpu controller and single battery information acquisition circuit.
4. intelligent equalized charger according to claim 1, is characterized in that wherein the number of this DC/DC change-over circuit, single battery information acquisition circuit and single battery is identical.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202152391U CN203218939U (en) | 2013-04-25 | 2013-04-25 | Intelligent equalizing charger |
| CN201310148214.9A CN103904720A (en) | 2013-04-25 | 2013-04-25 | Intelligent equalizing charger |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202152391U CN203218939U (en) | 2013-04-25 | 2013-04-25 | Intelligent equalizing charger |
| CN201310148214.9A CN103904720A (en) | 2013-04-25 | 2013-04-25 | Intelligent equalizing charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103904720A true CN103904720A (en) | 2014-07-02 |
Family
ID=59495050
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310148214.9A Pending CN103904720A (en) | 2013-04-25 | 2013-04-25 | Intelligent equalizing charger |
| CN2013202152391U Expired - Lifetime CN203218939U (en) | 2013-04-25 | 2013-04-25 | Intelligent equalizing charger |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202152391U Expired - Lifetime CN203218939U (en) | 2013-04-25 | 2013-04-25 | Intelligent equalizing charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN103904720A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105006873A (en) * | 2015-05-26 | 2015-10-28 | 合肥协力仪表控制技术股份有限公司 | Intelligent quick charger |
| WO2018094501A1 (en) * | 2016-11-24 | 2018-05-31 | Blue Solutions Canada Inc. | Conversion circuit device for uninterruptible power supply (ups) systems |
| CN109038754A (en) * | 2018-08-27 | 2018-12-18 | 珠海市古鑫电子科技有限公司 | A kind of system of battery pack balancing, a kind of method using battery pack balancing system |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103904720A (en) * | 2013-04-25 | 2014-07-02 | 洛阳嘉盛电源科技有限公司 | Intelligent equalizing charger |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1855606A (en) * | 2005-04-18 | 2006-11-01 | 万向钱潮股份有限公司 | Method for forming battery running system of electric vehicle and system said above |
| CN101800341A (en) * | 2010-04-09 | 2010-08-11 | 中国科学院电工研究所 | Lithium-ion battery monomer balancer |
| CN203218939U (en) * | 2013-04-25 | 2013-09-25 | 洛阳嘉盛电源科技有限公司 | Intelligent equalizing charger |
-
2013
- 2013-04-25 CN CN201310148214.9A patent/CN103904720A/en active Pending
- 2013-04-25 CN CN2013202152391U patent/CN203218939U/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1855606A (en) * | 2005-04-18 | 2006-11-01 | 万向钱潮股份有限公司 | Method for forming battery running system of electric vehicle and system said above |
| CN101800341A (en) * | 2010-04-09 | 2010-08-11 | 中国科学院电工研究所 | Lithium-ion battery monomer balancer |
| CN203218939U (en) * | 2013-04-25 | 2013-09-25 | 洛阳嘉盛电源科技有限公司 | Intelligent equalizing charger |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105006873A (en) * | 2015-05-26 | 2015-10-28 | 合肥协力仪表控制技术股份有限公司 | Intelligent quick charger |
| WO2018094501A1 (en) * | 2016-11-24 | 2018-05-31 | Blue Solutions Canada Inc. | Conversion circuit device for uninterruptible power supply (ups) systems |
| CN110192319A (en) * | 2016-11-24 | 2019-08-30 | 加拿大蓝色解决方案有限公司 | Conversion circuit device for uninterrupted power source (UPS) system |
| CN109038754A (en) * | 2018-08-27 | 2018-12-18 | 珠海市古鑫电子科技有限公司 | A kind of system of battery pack balancing, a kind of method using battery pack balancing system |
| CN109038754B (en) * | 2018-08-27 | 2021-06-08 | 珠海市古鑫电子科技有限公司 | Battery pack balancing system and method for applying battery pack balancing system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN203218939U (en) | 2013-09-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101609994B (en) | Balanced charging device and balanced charging method | |
| CN103236732B (en) | Active equalizing system and equalizing method for power lithium ion battery pack | |
| CN101826745B (en) | Lithium ion power battery lossless charger | |
| CN201985554U (en) | Active self-management charging device for lithium ion power battery | |
| CN101777784A (en) | Equalizing charge device and equalizing charge method | |
| CN102593893A (en) | System for realizing balanced discharging of battery sets | |
| CN107147197A (en) | A kind of flexible trailing type intelligent charging method and charging device | |
| CN103051034A (en) | Equalizing charging device and control method | |
| CN102709964A (en) | Balance maintaining device of power battery set | |
| CN202309117U (en) | Balanced system for storage battery pack | |
| CN203218939U (en) | Intelligent equalizing charger | |
| CN106451604A (en) | Dual-battery energy storage system | |
| CN103346605B (en) | A kind of accumulator battery voltage balancer | |
| CN108321889A (en) | Super capacitance cell equilibrium high efficiency power system and its method of supplying power to | |
| CN202856422U (en) | Bidirectional electrical energy transfer circuit | |
| CN102904317A (en) | Bidirectional electric energy transfer circuit | |
| CN118263495B (en) | A DC bus-based series-connected capacity production and detection system | |
| CN107370222A (en) | A kind of energy complement formula grading system | |
| CN202150719U (en) | Mutual charging type energy saving charging circuit of storage battery | |
| CN204068357U (en) | A kind of 4 joint series battery Bidirectional charging-discharging equalizing circuits | |
| CN204538732U (en) | Fully-automatic intelligent charging, reparation all-in-one | |
| CN202503325U (en) | A valley-filling balance module for a power lithium battery pack | |
| CN106571659A (en) | Two-level equalized charging system and equalized charging method for power battery pack management | |
| CN204794196U (en) | Balanced control system of group battery initiative | |
| CN201025677Y (en) | battery charger |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140702 |
|
| WD01 | Invention patent application deemed withdrawn after publication |