CN202488114U - Intelligent lithium battery guard plate - Google Patents
Intelligent lithium battery guard plate Download PDFInfo
- Publication number
- CN202488114U CN202488114U CN201220122467XU CN201220122467U CN202488114U CN 202488114 U CN202488114 U CN 202488114U CN 201220122467X U CN201220122467X U CN 201220122467XU CN 201220122467 U CN201220122467 U CN 201220122467U CN 202488114 U CN202488114 U CN 202488114U
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- guard plate
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model relates to an intelligent lithium battery guard plate. The intelligent lithium battery guard plate comprises a main plate, a light emitting diode (LED) electric quantity display plate and a control circuit. The control circuit is arranged on the main plate and comprises a microprogrammed control unit (MCU) chip, a dedicated chip of the battery guard plate, a charge-discharge electric controller, a current detection circuit, a pressure detection circuit, a temperature detection circuit, a balance control circuit, a communication port, an electrically erasable programmable read-only memory (EEPROM) memory and a display module. The dedicated chip of the battery guard plate is connected with the charge-discharge electric controller, the current detection circuit, the pressure detection circuit, the temperature detection circuit and the balance control circuit. The MCU chip is connected with the display module, the EEPROM memory and the communication port. The MCU chip and the dedicated chip of the battery guard plate are connected together through a control bus and a data bus. The intelligent lithium battery guard plate is reasonable in design. The MCU chip and the dedicated chip are structurally adopted and accordingly the protection function for the lithium battery is achieved. The intelligent lithium battery guard plate is high in intelligent degree, stable in performance, low in power consumption, few in periphery devices, low in cost and the like.
Description
Technical field
The utility model belongs to the li-ion cell protection technical field, especially a kind of intelligent li-ion cell protection plate.
Background technology
Lithium battery has the voltage height, stores and has extended cycle life, charged maintenance energy is strong, lowly pollute and have advantage such as big operating temperature range to obtain application more and more widely.Usually, lithium battery is connected with the li-ion cell protection plate, through the firm and hard existing lithium battery of li-ion cell protection only put, do not overcharge, function such as overcurrent and output short circuit protection not.The problem that existing li-ion cell protection plate exists is: higher, the poor reliability of (1) cost; (2) the baffle parameter can't be changed flexibly, and versatility is poor; (3) intelligent degree is low, is difficult to the function expansion.
Summary of the invention
The purpose of the utility model is to overcome the deficiency of prior art, the intelligent li-ion cell protection plate that a kind of intelligent degree height, stable performance, highly versatile are provided, is easy to expand.
The utility model solves its technical problem and takes following technical scheme to realize:
A kind of intelligent li-ion cell protection plate; Comprise mainboard, LED electric weight display panel and control circuit; On baffle, be provided with battery battery core wiring insert row, power supply terminal, LED wiring insert row; LED electric weight display panel switch, LED electric weight indicator light and mainboard insert row are arranged on LED electric weight display panel, and LED wiring insert row is connected with the mainboard insert row; Control circuit is installed on the mainboard; Constitute by MCU chip, battery protecting plate special chip, charging-discharging controller, current detection circuit, voltage detecting circuit, temperature sensing circuit, balancing control circuit, PORT COM, eeprom memory and display module; The battery protecting plate special chip is connected with charging-discharging controller, current detection circuit, voltage detecting circuit, temperature sensing circuit, balancing control circuit; The MCU chip is connected with display module, eeprom memory, PORT COM, is connected with data/address bus through control bus between MCU chip and the battery protecting plate special chip.
And what described MCU chip adopted is OKI 5227 chips, and what described battery protecting plate special chip adopted is OKI 5208 chips.
And said battery battery core wiring insert row is the composite type insert row, comprises two four pins and two three cushion rows.
And described power supply terminal comprises total positive terminal of battery, charging negative terminals, total negative terminals of battery and load negative terminals.
And described LED wiring insert row, mainboard insert row are five pin jack-plug sockets.
And described charging-discharging controller adopts metal-oxide-semiconductor IRF2807.
The advantage and the good effect of the utility model are:
1, this battery protecting plate adopts MCU+ special chip structure to realize the defencive function to lithium battery, has characteristics such as intelligent degree height, stable performance, low in energy consumption, used peripheral components are few, with low cost.
2, this battery protecting plate is protected through the lithium battery group that battery battery core wiring insert row can be applied to the various materials of 5 to 13 strings, and highly versatile has the complete protection function, comprises the protection of charging/discharging voltage, charging and discharging currents, short circuit and high low temperature.
3, this battery protecting plate utilizes the communication function of MCU chip OKI 5227 to be connected with host computer; Be used for computer monitoring, messages such as operating state that residual capacity, temperature and the battery pack of the total voltage that shows current lithium battery group and each monomer battery voltage and minimax voltage, charging and discharging currents, battery pack located at present and fault.
3, this battery protecting plate available programs programming mode protects the threshold values of voltage, protective current, protection temperature and defencive function to carry out flexible scalable to all, can accomplish to be the customization of client's degree of depth.
4, the OKI 5208 built-in chip type balancers of this battery protecting plate employing, maximum is supported 100mA chip internal euqalizing current, at utmost guarantees the consistency of lithium battery group voltage.
5, the electric weight SOC statistical function of this battery protection strip self-learning function, SOC account form that can be different according to the battery types different choice, and carry out electric weight according to battery condition and revise certainly.
6, this battery protecting plate has the residual capacity display unit, adopts 1 red 3 green 4 paths of LEDs to show the lithium battery residual capacity, the various types of display modes of following support, and LED shows can be set to alarm indication simultaneously, under the system exception state, provides warning message.
7, this battery protecting plate is provided with data storage device; Be used to store the information such as voltage, electric current, charging times, electric weight of lithium battery; Can carry out the charge/discharge electricity amount statistics; System's automatic preceding electric weight that discharges and recharges for 200 times of storage in EEPROM, statistics can read out to PC through the UART port, is convenient to client's gather data and Fault analytical.
Description of drawings
Fig. 1 is the mainboard view of the utility model;
Fig. 2 is the LED electric weight display panel view of the utility model;
Fig. 3 is the control circuit block diagram of the utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is done further detailed description:
A kind of intelligent li-ion cell protection plate comprises mainboard, LED electric weight display panel and control circuit.As shown in Figure 1, be provided with four power supply terminals 1,4,5 and 6, LED wiring insert row 2, PORT COM 3 and battery battery core wiring insert row 7 in a side of baffle; Described four power supply terminals are respectively total positive terminal of battery, charging negative terminals, total negative terminals of battery and load negative terminals; Described battery battery core wiring insert row is the composite type insert row, is respectively two four pins and two three cushion rows, can be input into the row combination according to concrete battery strings; PORT COM is used for being connected with host computer and carries out communication and realize monitoring function; LED wiring insert row is five pin jack-plug sockets, is used for being connected with LED electric weight display panel.As shown in Figure 2; LED electric weight display panel switch 9, LED electric weight indicator light 8 and mainboard insert row (not shown) are arranged on LED electric weight display panel; Wherein, LED electric weight display panel switch is used for controlling the lamp plate switch, and LED electric weight indicator light is used to show current battery electric quantity; The mainboard insert row is five pin jack-plug sockets, and the inboard that is positioned at LED electric weight display panel is used for being connected with mainboard.
As shown in Figure 3; Control circuit is installed on the mainboard; Constitute by MCU chip OKI 5227, battery protecting plate special chip OKI 5208, charging-discharging controller, current detection circuit, voltage detecting circuit, temperature sensing circuit, balancing control circuit, PORT COM, eeprom memory and display module; Battery protecting plate special chip OKI 5208 is connected with charging-discharging controller, current detection circuit, voltage detecting circuit, temperature sensing circuit, balancing control circuit; MCU chip OKI 5227 is connected with display module, eeprom memory, PORT COM, is connected with data/address bus through control bus between MCU chip OKI 5227, the battery protecting plate special chip OKI 5208.MCU chip OKI 5227, battery protecting plate special chip OKI 5208 are used to realize the defencive function of whole protecting plate as the core of control circuit; Charging-discharging controller adopts metal-oxide-semiconductor IRF2807, is used to control the break-make realization corresponding protection function of baffle main circuit; Voltage detecting circuit, temperature sensing circuit and balancing control circuit are connected with battery battery core wiring insert row and read each electric core voltage, battery temperature respectively and battery is carried out equilibrium control; Current detection circuit is realized the measuring ability to charging and discharging currents; MCU chip OKI 5227 has communication function, and it connects host computer through PORT COM and realizes monitoring function; What display module adopted is LED electric weight display panel, shows current cell voltage through the LED lamp.
The operation principle of the utility model is: the various signals of 5227 pairs of battery protecting plate special chips of MCU chip OKI OKI5208 transmission carry out the AD conversion; Obtain various real time datas and draw the control corresponding scheme according to program; Then send the corresponding command through the I2C bus, commander's chip OKI 5208 accomplishes the control corresponding action.MCU chip OKI 5227 gives an order through the I2C bus, lets chip OKI 5208 collect various voltage signals, comprises the core voltage that respectively economizes on electricity, thermistor voltage, seizure resistance voltage etc., and passes to MCU 5227 one by one through particular port and carry out the AD conversion.MCU 5227 can obtain corresponding data through the AD conversion; Like each economize on electricity core voltage, battery temperature, charging and discharging currents etc.; Through calculating the control corresponding scheme, then send the corresponding command through the I2C bus then, commander's chip OKI 5208 accomplishes the control corresponding action.Chip OKI 5208 can accomplish the protection to lithium battery according to the break-make of order control metal-oxide-semiconductor IRF 2807.OKI 5208 built-in chip type balancers; Can open according to the commands for controlling chip internal metal-oxide-semiconductor of MCU 5227, single-unit electricity core discharged, accomplish passive equilibrium through two resistance; Maximum is supported 100mA chip internal euqalizing current, at utmost guarantees the consistency of lithium battery group voltage.MCU 5227 in the course of the work can be real-time deposit information such as the voltage of battery, electric current, charging times, electric weight among the EEPROM of baffle in; Can carry out the charge/discharge electricity amount statistics according to data; Automatically learn the accurate capacity of battery; Accomplish the electric weight SOC statistical function of band learning functionality, SOC account form that can be different according to the battery types different choice, and carry out electric weight according to battery condition and revise certainly.Baffle is furnished with LED and shows lamp plate, on the LED lamp plate, adopts 1 red 3 green 4 paths of LEDs to show the lithium battery residual capacity, and LED shows can be set to alarm indication simultaneously, under the system exception state, provides warning message, and supports various types of display modes.MCU 5227 provides UART communication function; It is connected with host computer through PORT COM and is used for computer monitoring, shows the total voltage and each monomer battery voltage of current lithium battery group, charging and discharging currents; The residual capacity of battery pack, messages such as operating state that temperature and battery pack are located at present and fault.System's automatic preceding electric weight that discharges and recharges for 200 times of storage in EEPROM, statistics can read out to PC through the UART port, is convenient to client's gather data and Fault analytical.
It is emphasized that; The described embodiment of the utility model is illustrative; Rather than it is determinate; Therefore the utility model is not limited to the embodiment described in the embodiment, every by those skilled in the art according to other execution modes that the technical scheme of the utility model draws, belong to the scope of the utility model protection equally.
Claims (6)
1. intelligent li-ion cell protection plate; It is characterized in that: comprise mainboard, LED electric weight display panel and control circuit; On baffle, be provided with battery battery core wiring insert row, power supply terminal, LED wiring insert row; LED electric weight display panel switch, LED electric weight indicator light and mainboard insert row are arranged on LED electric weight display panel, and LED wiring insert row is connected with the mainboard insert row; Control circuit is installed on the mainboard; Constitute by MCU chip, battery protecting plate special chip, charging-discharging controller, current detection circuit, voltage detecting circuit, temperature sensing circuit, balancing control circuit, PORT COM, eeprom memory and display module; The battery protecting plate special chip is connected with charging-discharging controller, current detection circuit, voltage detecting circuit, temperature sensing circuit, balancing control circuit; The MCU chip is connected with display module, eeprom memory, PORT COM, is connected with data/address bus through control bus between MCU chip and the battery protecting plate special chip.
2. intelligent li-ion cell protection plate according to claim 1 is characterized in that: what described MCU chip adopted is OKI 5227 chips, and what described battery protecting plate special chip adopted is OKI 5208 chips.
3. intelligent li-ion cell protection plate according to claim 1 is characterized in that: said battery battery core wiring insert row is the composite type insert row, comprises two four pins and two three cushion rows.
4. intelligent li-ion cell protection plate according to claim 1 is characterized in that: described power supply terminal comprises total positive terminal of battery, charging negative terminals, total negative terminals of battery and load negative terminals.
5. intelligent li-ion cell protection plate according to claim 1 is characterized in that: described LED wiring insert row, mainboard insert row are five pin jack-plug sockets.
6. intelligent li-ion cell protection plate according to claim 1 is characterized in that: described charging-discharging controller adopts metal-oxide-semiconductor IRF2807.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220122467XU CN202488114U (en) | 2012-03-28 | 2012-03-28 | Intelligent lithium battery guard plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220122467XU CN202488114U (en) | 2012-03-28 | 2012-03-28 | Intelligent lithium battery guard plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202488114U true CN202488114U (en) | 2012-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201220122467XU Expired - Fee Related CN202488114U (en) | 2012-03-28 | 2012-03-28 | Intelligent lithium battery guard plate |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105356552A (en) * | 2015-12-08 | 2016-02-24 | 覃盛安 | Efficient intelligent management cell protection plate |
| CN105449790A (en) * | 2016-01-06 | 2016-03-30 | 北京臻迪智能科技有限公司 | Intelligent battery pack and control method |
| CN104052087B (en) * | 2013-03-13 | 2016-06-15 | 中国科学院沈阳自动化研究所 | Electric vehicle intelligent lithium ion battery management system and balance control method thereof |
| CN106945529A (en) * | 2017-05-09 | 2017-07-14 | 苏州载物强劲新材料科技有限公司 | A kind of inexpensive power train in vehicle application li-ion cell protection system |
| CN107742916A (en) * | 2017-11-30 | 2018-02-27 | 深圳市科卫泰实业发展有限公司 | A kind of universal lithium battery group protection circuit and universal lithium battery group |
| CN109713747A (en) * | 2018-12-21 | 2019-05-03 | 深圳运存科技有限公司 | Intelligence control system is used in a kind of charging of lithium battery |
-
2012
- 2012-03-28 CN CN201220122467XU patent/CN202488114U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104052087B (en) * | 2013-03-13 | 2016-06-15 | 中国科学院沈阳自动化研究所 | Electric vehicle intelligent lithium ion battery management system and balance control method thereof |
| CN105356552A (en) * | 2015-12-08 | 2016-02-24 | 覃盛安 | Efficient intelligent management cell protection plate |
| CN105449790A (en) * | 2016-01-06 | 2016-03-30 | 北京臻迪智能科技有限公司 | Intelligent battery pack and control method |
| CN105449790B (en) * | 2016-01-06 | 2018-11-16 | 北京臻迪机器人有限公司 | A kind of intelligent battery group and control method |
| CN106945529A (en) * | 2017-05-09 | 2017-07-14 | 苏州载物强劲新材料科技有限公司 | A kind of inexpensive power train in vehicle application li-ion cell protection system |
| CN107742916A (en) * | 2017-11-30 | 2018-02-27 | 深圳市科卫泰实业发展有限公司 | A kind of universal lithium battery group protection circuit and universal lithium battery group |
| CN109713747A (en) * | 2018-12-21 | 2019-05-03 | 深圳运存科技有限公司 | Intelligence control system is used in a kind of charging of lithium battery |
| CN109713747B (en) * | 2018-12-21 | 2022-07-05 | 深圳运存科技有限公司 | Intelligent control system for lithium battery charging |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121010 Termination date: 20140328 |