CN205646951U - Battery package fills electronic control system - Google Patents
Battery package fills electronic control system Download PDFInfo
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- CN205646951U CN205646951U CN201620526602.5U CN201620526602U CN205646951U CN 205646951 U CN205646951 U CN 205646951U CN 201620526602 U CN201620526602 U CN 201620526602U CN 205646951 U CN205646951 U CN 205646951U
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- HEZMWWAKWCSUCB-PHDIDXHHSA-N (3R,4R)-3,4-dihydroxycyclohexa-1,5-diene-1-carboxylic acid Chemical compound O[C@@H]1C=CC(C(O)=O)=C[C@H]1O HEZMWWAKWCSUCB-PHDIDXHHSA-N 0.000 claims abstract description 64
- 239000000178 monomer Substances 0.000 claims abstract description 48
- 238000002955 isolation Methods 0.000 claims abstract description 33
- 230000001681 protective effect Effects 0.000 claims description 18
- 238000001514 detection method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000000740 bleeding effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
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Abstract
The utility model provides a battery package fills electronic control system, include: the machine, DCDC of charging charge module, monomer voltage acquisition module, keep apart module and battery controller. The machine that charges wraps the battery respectively and DCDC charges, and the module is supplied power. Every battery cell in the battery package is parallelly connected DCDC module of charging all, and the positive output end that DCDC charges the module links to each other with the anodal of battery cell, and the negative pole that DCDC charges cathode output and the battery cell of module links to each other. Each battery cell of monomer voltage acquisition pair of module battery package series connection carries out voltage acquisition, and the output of monomer voltage acquisition module links to each other with the input of battery controller. The battery controller is through the charge power output of module of isolation mode block control DCDC. When arbitrary monomer voltage of monomer voltage acquisition module collection equaled first threshold value, DCDC charged pair of module battery cell and charges. The utility model discloses can improve the life of battery package.
Description
Technical field
This utility model relates to batteries of electric automobile technical field, particularly relates to a kind of battery bag charge control system.
Background technology
One of electric automobile important directions having had become as development of automobile, the charging modes of existing battery bag is to be charged battery bag terminal voltage by charger, the effect of charging the most very well for this mode battery bag when equilibrium state is the best, when the monomer voltage concordance of battery bag is crossed poor, it is the most charged full that this mode may result in the higher battery cell of voltage, and the relatively low cell of voltage is still without charging complete, it also results in when vehicle travels electric discharge, the problem that the relatively low cell of voltage has over-discharge.Owing to the capacity of cell there are differences, when with identical charging current for charging, the cell underfill that can cause, and some cells cross the phenomenon of punching, this cell charging unbalanced, seriously reduce the service life of battery bag.Therefore, how equalizaing charge is always the important topic that the charging of battery bag controls.
Existing equalizaing charge scheme is broadly divided into passive type and active two kinds, and passive type is to bleeding off by higher for cell voltage, is to realize equilibrium by energy expenditure；Active, it is that electric quantity of single batteries higher for electricity in battery bag is transferred to the cell that cell voltage is relatively low, is by the way of energy secondary shifts, realize battery voltage balanced.There is the problem of energy dissipation in the control mode of passive equilibrium, and active mode, there is manufacturing cost high, control the problem that difficulty is big.
Utility model content
This utility model provides a kind of battery bag charge control system, energy dissipation and control the problem that difficulty is big during to solve existing equalizaing charge, improves the service life of battery bag.
For realizing object above, this utility model offer techniques below scheme:
A kind of battery bag charge control system, including: charger, DCDC charging module, monomer voltage acquisition module, isolation module and battery controller；
The cathode output end of described charger electrode input end with the positive pole incoming end of battery bag and described DCDC charging module respectively electrically connects, and the cathode output end of described charger negative input with the negative pole incoming end of battery bag and described DCDC charging module respectively electrically connects；
Each cell of series connection described DCDC charging module all in parallel in battery bag, the cathode output end of described DCDC charging module is connected with the positive pole of described cell, and the cathode output end of described DCDC charging module is connected with the negative pole of described cell；
Described monomer voltage acquisition module carries out voltage acquisition to each cell in battery bag, and the outfan of described monomer voltage acquisition module is connected with the input of described battery controller；
The input of described isolation module is connected with the outfan of described battery controller, and the outfan of described isolation module is connected with the control end of described DCDC charging module；
The HVDC of described charger is converted into low-voltage direct output by described DCDC charging module；
When the voltage of arbitrary cell that described monomer voltage acquisition module gathers is more than first threshold, the outfan output high level of described battery controller, so that each cell is charged by the output voltage of described DCDC charging module.
Preferably, positive pole relay and negative pole relay are also included；
The input of described positive pole relay is connected with the cathode output end of described charger, and the outfan of described positive pole relay is connected with the positive pole incoming end of battery bag, and the end that controls of described positive pole relay is connected with the second outfan of described battery controller；
The input of described negative pole relay is connected with the cathode output end of described charger, and the outfan of described negative pole relay is connected with the negative pole incoming end of battery bag, and the end that controls of described negative pole relay is connected with the 3rd outfan of described battery controller；
When the monomer voltage that described monomer voltage acquisition module gathers is more than first threshold, the second outfan of described battery controller or the 3rd outfan output low level, disconnect described charger and the positive pole incoming end of battery bag or the connection of negative pole incoming end.
Preferably, described monomer voltage acquisition module includes: monomer battery voltage Acquisition Circuit and monomer voltage acquisition chip；
The outfan of described monomer voltage Acquisition Circuit is connected with the input of described monomer voltage acquisition chip, and the voltage of described monomer voltage Acquisition Circuit detection cell, each cell is detected by a described monomer voltage Acquisition Circuit；
When described monomer voltage Acquisition Circuit detects the voltage of described cell more than Second Threshold, the outfan output low level of described battery controller, so that the DCDC charging module disconnection out-put supply that described cell is corresponding；
Described Second Threshold is cell the highest protection voltage threshold.
Preferably, described DCDC charging module includes: resonance circuit, transformator, rectification circuit and power supply output control module；
The input of described resonance circuit is as the input of described DCDC charging module, the outfan of described resonance circuit is connected with the input of described transformator, the outfan of described transformator is connected with the input of described rectification circuit, the outfan of described rectification circuit is connected with the input of described power supply output control module, the outfan of described power supply output control module is as the outfan of described DCDC charging module, and the control end of described power supply output control module is as the control end of described DCDC charging module；
When the control end of described power supply output control module is high level, described DCDC charging module output voltage, the most not output voltage.
Preferably, described isolation module is made up of side by side many group isolation circuit, and often the outfan of group isolation circuit and the control end of a described DCDC charging module are connected, and the outfan that the input of described often group isolation circuit is corresponding with described battery controller is connected.
Preferably, described isolation circuit includes: light corner isolating chip, the first protective resistance, the second protective resistance；
One end of described first protective resistance is connected with the input of described smooth corner isolating chip, and the other end of described first protective resistance is as the input of described isolation circuit；
One end of described second protective resistance is connected with the outfan of described smooth corner isolating chip, and the other end of described second protective resistance is as the outfan of described isolation circuit.This utility model provides a kind of battery bag charge control system, by each cell DCDC charging module in parallel, coordinate charger that battery bag is charged, realize the accurate charging of cell, the problem that when solving equalizaing charge, energy dissipation is big with controlling difficulty, overcharge when avoiding the occurrence of charging and not enough phenomenon, improve the service life of battery bag.
Accompanying drawing explanation
In order to be illustrated more clearly that the specific embodiment of the present invention, the accompanying drawing used required in embodiment will be briefly described below.
Fig. 1: be the structural representation of a kind of battery bag charge control system that this utility model first embodiment provides；
Fig. 2: be the structural representation of a kind of battery bag charge control system that this utility model the second embodiment provides；
Fig. 3: be the circuit diagram of a kind of DCDC charging module that this utility model embodiment provides；
Fig. 4: be that the one that this utility model embodiment provides isolates circuit diagram.
Detailed description of the invention
In order to make those skilled in the art be more fully understood that the scheme of the embodiment of the present invention, with embodiment, the embodiment of the present invention is described in further detail below in conjunction with the accompanying drawings.
For current power automobile battery bag equalize fill time, capacity volume variance due to the cell of battery bag, easily cause part charging unbalanced, overcharge when producing charging and not enough problem, this utility model uses a DCDC charging module in parallel on each cell, having cell to occur when charging is saturated in making battery bag, other cell uses DCDC charging module accurately to charge.Avoid overcharging the problem with undercharge, improve the service life of battery bag.
As it is shown in figure 1, the structural representation of a kind of battery bag charge control system provided for this utility model first embodiment, this system includes: charger, DCDC charging module, monomer voltage acquisition module, isolation module and battery controller.The cathode output end of charger electrically connects with the positive pole incoming end of battery bag and the electrode input end of DCDC charging module respectively, and the cathode output end of charger electrically connects with the negative pole incoming end of battery bag and the negative input of DCDC charging module respectively.Each cell of series connection DCDC charging module all in parallel in battery bag, the cathode output end of DCDC charging module is connected with the positive pole of cell, and the cathode output end of DCDC charging module is connected with the negative pole of cell.Monomer voltage acquisition module carries out voltage acquisition to each cell in battery bag, and the outfan of monomer voltage acquisition module is connected with the input of described battery controller.The input of isolation module is connected with the outfan of battery controller, and the outfan of isolation module is connected with the control end of DCDC charging module.
Specifically, owing to the charging voltage of cell is different from the magnitude of voltage of the charging voltage of battery bag, therefore, the high pressure of charger output is needed to be converted to voltage when cell charges, the HVDC of described charger is converted into low-voltage direct output by its DCDC charging module, and each cell connected in making battery bag can be directly by DCDC charging module for power supply.When the voltage of arbitrary cell that described monomer voltage acquisition module gathers is more than first threshold, the outfan output high level of described battery controller, so that each cell is charged by described DCDC charging module output voltage.It should be noted that battery bag can be composed in series to multiple cells such as cell n by cell 1, relatively, the corresponding DCDC charging module 1 of cell 1, cell n correspondence DCDC charging module n.
In order to better control over the charger charging to battery bag, as in figure 2 it is shown, the structural representation of a kind of battery bag charge control system provided for this utility model the second embodiment.This battery bag charge control system also includes positive pole relay and negative pole relay.The input of positive pole relay is connected with the cathode output end of charger, and the outfan of positive pole relay is connected with the positive pole incoming end of battery bag, and the end that controls of positive pole relay is connected with the second outfan of battery controller.The input of negative pole relay is connected with the cathode output end of charger, and the outfan of negative pole relay is connected with the negative pole incoming end of battery bag, and the end that controls of negative pole relay is connected with the 3rd outfan of battery controller.When the monomer voltage that monomer voltage acquisition module gathers is greatly equal to first threshold, battery controller the second outfan or the 3rd outfan output low level, disconnect charger and the positive pole incoming end of battery bag or the connection of negative pole incoming end.It should be noted that disconnect the charger charging connection to battery bag, it is also possible to realize by positive and negative electrode relay is all disconnected.
Monomer voltage acquisition module includes: monomer battery voltage Acquisition Circuit and monomer voltage acquisition chip.The outfan of monomer voltage Acquisition Circuit is connected with the input of monomer voltage acquisition chip, and the voltage of monomer voltage Acquisition Circuit detection cell, each cell is detected by a monomer voltage Acquisition Circuit.When described monomer voltage Acquisition Circuit detects the voltage of described cell greatly equal to Second Threshold, the outfan output low level of described battery controller, make the DCDC charging module that described cell is corresponding disconnect output voltage.Wherein, Second Threshold is cell the highest protection voltage threshold.
This DCDC charging module includes: resonance circuit, transformator, rectification circuit and power supply output control module.The input of resonance circuit is as the input of DCDC charging module, the outfan of resonance circuit is connected with the input of transformator, the outfan of transformator is connected with the input of rectification circuit, the outfan of rectification circuit is connected with the input of power supply output control module, the outfan of power supply output control module is as the outfan of DCDC charging module, and the control end of power supply output control module is as the control end of DCDC charging module.When the control end of power supply output control module is high level, DCDC charging module output voltage, the most not output voltage.
In actual applications, as it is shown on figure 3, the circuit diagram of a kind of DCDC charging module provided for this utility model embodiment, resonance circuit can be made up of insurance F, diode D1 and electric capacity C1, and rectification circuit is made up of self-induction coil L2, electric capacity C2, C3, E1.Its input voltage is exported by after transformator L1 transformation after resonance circuit.It should be noted that power supply output control module can be made up of on-off circuit, it is achieved power supply output controls, in order to protect the equipment of outfan, often meet protection electric capacity C4.
Described isolation module is made up of many group isolation circuit, and often the outfan of group isolation circuit and the control end of a described DCDC charging module are connected, and the outfan that often input of group isolation circuit is corresponding with described battery controller is connected.As shown in Figure 4, a kind of isolation circuit diagram provided for this utility model embodiment, described isolation circuit includes: light corner isolating chip, the first protective resistance R1, the second protective resistance R2.One end of described first protective resistance R1 is connected with the input of described smooth corner isolating chip, and the other end of described first protective resistance R1 is as the input of described isolation circuit.One end of described second protective resistance R2 is connected with the outfan of described smooth corner isolating chip, and the other end of described second protective resistance R2 is as the outfan of described isolation circuit.It should be noted that described isolating chip can be selected for the chip of Multiple Type, such as use the isolation optocoupler conducting chip TLP2301 of TOSHIBA manufacturer.
Visible, this utility model provides a kind of battery bag charge control system, by each cell DCDC charging module in parallel, coordinate charger that battery bag terminal voltage is charged, realize the accurate charging of cell, the problem that when solving equalizaing charge, energy dissipation is big with controlling difficulty, it is to avoid occur overcharging during charging and the phenomenon of deficiency, improve the service life of battery bag.
Of the present utility model structure, feature and action effect are described in detail above according to diagrammatically shown embodiment; the foregoing is only preferred embodiment of the present utility model; but this utility model is not to limit practical range shown in drawing; every change made according to conception of the present utility model; or it is revised as the Equivalent embodiments of equivalent variations; still without departing from description with diagram contained spiritual time, all should be in protection domain of the present utility model.
Claims (6)
1. a battery bag charge control system, it is characterised in that including: charger, DCDC charging module, monomer voltage acquisition module, isolation module and battery controller；
The cathode output end of described charger electrode input end with the positive pole incoming end of battery bag and described DCDC charging module respectively electrically connects, and the cathode output end of described charger negative input with the negative pole incoming end of battery bag and described DCDC charging module respectively electrically connects；
Each cell of series connection described DCDC charging module all in parallel in battery bag, the cathode output end of described DCDC charging module is connected with the positive pole of described cell, and the cathode output end of described DCDC charging module is connected with the negative pole of described cell；
Described monomer voltage acquisition module carries out voltage acquisition to each cell in battery bag, and the outfan of described monomer voltage acquisition module is connected with the input of described battery controller；
The input of described isolation module is connected with the outfan of described battery controller, and the outfan of described isolation module is connected with the control end of described DCDC charging module；
The HVDC of described charger is converted into low-voltage direct output by described DCDC charging module；
When the voltage of arbitrary cell that described monomer voltage acquisition module gathers is more than first threshold, the outfan output high level of described battery controller, so that each cell is charged by described DCDC charging module output voltage.
Battery bag charge control system the most according to claim 1, it is characterised in that also include positive pole relay and negative pole relay；
The input of described positive pole relay is connected with the cathode output end of described charger, and the outfan of described positive pole relay is connected with the positive pole incoming end of battery bag, and the end that controls of described positive pole relay is connected with the second outfan of described battery controller；
The input of described negative pole relay is connected with the cathode output end of described charger, and the outfan of described negative pole relay is connected with the negative pole incoming end of battery bag, and the end that controls of described negative pole relay is connected with the 3rd outfan of described battery controller；
When the monomer voltage that described monomer voltage acquisition module gathers is more than first threshold, the second outfan of described battery controller or the 3rd outfan output low level, disconnect described charger and the positive pole incoming end of battery bag or the connection of negative pole incoming end.
Battery bag charge control system the most according to claim 2, it is characterised in that described monomer voltage acquisition module includes: monomer battery voltage Acquisition Circuit and monomer voltage acquisition chip；
The outfan of described monomer voltage Acquisition Circuit is connected with the input of described monomer voltage acquisition chip, and the voltage of described monomer voltage Acquisition Circuit detection cell, each cell is detected by a described monomer voltage Acquisition Circuit；
When described monomer voltage Acquisition Circuit detects the voltage of described cell more than Second Threshold, the outfan output low level of described battery controller, so that the DCDC charging module disconnection output voltage that described cell is corresponding；
Described Second Threshold is cell the highest protection voltage threshold.
Battery bag charge control system the most according to claim 1, it is characterised in that described DCDC charging module includes: resonance circuit, transformator, rectification circuit and power supply output control module；
The input of described resonance circuit is as the input of described DCDC charging module, the outfan of described resonance circuit is connected with the input of described transformator, the outfan of described transformator is connected with the input of described rectification circuit, the outfan of described rectification circuit is connected with the input of described power supply output control module, the outfan of described power supply output control module is as the outfan of described DCDC charging module, and the control end of described power supply output control module is as the control end of described DCDC charging module；
When the control end of described power supply output control module is high level, described DCDC charging module output voltage, the most not output voltage.
5. according to the battery bag charge control system described in any one of Claims 1-4, it is characterized in that, described isolation module is made up of many group isolation circuit, often the outfan of group isolation circuit and the control end of a described DCDC charging module are connected, and the outfan that often input of group isolation circuit is corresponding with described battery controller is connected.
Battery bag charge control system the most according to claim 5, it is characterised in that described isolation circuit includes: light corner isolating chip, the first protective resistance, the second protective resistance；
One end of described first protective resistance is connected with the input of described smooth corner isolating chip, and the other end of described first protective resistance is as the input of described isolation circuit；
One end of described second protective resistance is connected with the outfan of described smooth corner isolating chip, and the other end of described second protective resistance is as the outfan of described isolation circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620526602.5U CN205646951U (en) | 2016-05-27 | 2016-05-27 | Battery package fills electronic control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620526602.5U CN205646951U (en) | 2016-05-27 | 2016-05-27 | Battery package fills electronic control system |
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| CN205646951U true CN205646951U (en) | 2016-10-12 |
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| CN201620526602.5U Expired - Fee Related CN205646951U (en) | 2016-05-27 | 2016-05-27 | Battery package fills electronic control system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106712185A (en) * | 2016-12-28 | 2017-05-24 | 中国电子科技集团公司第十八研究所 | Charging equipment for zinc-silver storage battery pack |
| CN107482701A (en) * | 2016-12-26 | 2017-12-15 | 宝沃汽车（中国）有限公司 | Charge control method, system and vehicle |
| CN110676913A (en) * | 2019-11-11 | 2020-01-10 | Oppo广东移动通信有限公司 | Charging method, terminal, conversion device and storage medium |
| CN111391714A (en) * | 2020-03-18 | 2020-07-10 | 华为技术有限公司 | Drive circuit for electric vehicle and charging and discharging method |
| CN114243832A (en) * | 2021-12-14 | 2022-03-25 | 青岛特来电新能源科技有限公司 | Charging system and charging device |
-
2016
- 2016-05-27 CN CN201620526602.5U patent/CN205646951U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107482701A (en) * | 2016-12-26 | 2017-12-15 | 宝沃汽车（中国）有限公司 | Charge control method, system and vehicle |
| CN107482701B (en) * | 2016-12-26 | 2019-09-20 | 宝沃汽车（中国）有限公司 | Charge control method, system and vehicle |
| CN106712185A (en) * | 2016-12-28 | 2017-05-24 | 中国电子科技集团公司第十八研究所 | Charging equipment for zinc-silver storage battery pack |
| CN110676913A (en) * | 2019-11-11 | 2020-01-10 | Oppo广东移动通信有限公司 | Charging method, terminal, conversion device and storage medium |
| CN110676913B (en) * | 2019-11-11 | 2023-08-04 | Oppo广东移动通信有限公司 | Charging method, terminal, conversion device and storage medium |
| CN111391714A (en) * | 2020-03-18 | 2020-07-10 | 华为技术有限公司 | Drive circuit for electric vehicle and charging and discharging method |
| CN111391714B (en) * | 2020-03-18 | 2022-01-14 | 华为数字能源技术有限公司 | Drive circuit for electric vehicle and charging and discharging method |
| CN114454776A (en) * | 2020-03-18 | 2022-05-10 | 华为数字能源技术有限公司 | Drive circuit for electric vehicle and charging and discharging method |
| CN114454776B (en) * | 2020-03-18 | 2023-06-27 | 华为数字能源技术有限公司 | Driving circuit for electric vehicle and charging and discharging method |
| CN114243832A (en) * | 2021-12-14 | 2022-03-25 | 青岛特来电新能源科技有限公司 | Charging system and charging device |
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| C14 | Grant of patent or utility model | ||
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| CP01 | Change in the name or title of a patent holder |
Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee before: Anhui Jianghuai Automotive Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161012 Termination date: 20190527 |
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| CF01 | Termination of patent right due to non-payment of annual fee |