CN209730084U - A kind of battery based on management system - Google Patents
A kind of battery based on management system Download PDFInfo
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- CN209730084U CN209730084U CN201920246373.5U CN201920246373U CN209730084U CN 209730084 U CN209730084 U CN 209730084U CN 201920246373 U CN201920246373 U CN 201920246373U CN 209730084 U CN209730084 U CN 209730084U
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model belongs to battery technology field, discloses a kind of battery based on management system, battery pack, battery management system and temperature control management system, battery pack, battery management system and temperature control system are sequentially connected；The utility model solves the problems, such as the prior art in battery temperature lower region can not work normally, practicability is low and battery system has a single function.
Description
Technical field
The utility model belongs to battery technology field, and in particular to a kind of battery based on management system.
Background technique
Lithium battery has operating voltage height, light weight, specific energy height, has extended cycle life, the good characteristics such as quick charge, quilt
It is considered the important development direction of coming years new energy power supply, and in mobile electronic equipment, meteorology and defence and military
Etc. be more and more widely used in new and high technologies.With the continuous improvement of new material, new process, lithium ion battery low temperature
Discharge performance steps up, but part low temperature discharge type lithium ion battery does not still have the characteristic of low temperature charging, high current
Low temperature charging can improve battery pack temperature, but internal battery pack non-uniform temperature constitutes battery protecting plate and impacts, battery sheet
Know from experience and generate analysis lithium state, influencing battery makes have the service life, and each battery core in parallel that charges under high current low temperature environment is difficult to reach electric current
It is balanced.Low current charge seriously affects the charging time again under low temperature environment.
As lithium ion battery is in meteorological and military industry field extensive use and rapid development, cryogenic property is not adapted to
The shortcomings that special microthermal climate or extreme environment, is also more obvious.Under cryogenic conditions, effective discharge capacity of lithium ion battery and
Effective discharge energy can all significantly decrease, while it is hardly chargeable in the environment of being lower than -10 DEG C, be in low temperature
There is discharge voltage plateaus to decline for the lithium ion battery power supply of environment, discharge capacity is low, capacity attenuation is fast, high rate performance is poor etc.
Feature.This seriously restricts the application of lithium ion battery power supply.
The prior art has the following problems:
(1) battery can not work normally in temperature lower region, and practicability is low, and part battery is in -10 DEG C of building rings of entrance
It is had begun under border and voltage decay phenomenon occurs, discharge time is short, influences equipment normal operation, and battery is outdoors and temperature
It compared under low environment, is limited by battery material characteristic, can be directly realized by the case where low temperature rather harsh currently without battery
Charge function, electricity supplement are difficult；
(2) existing battery system has a single function, and the specific data of battery pack can not be acquired and be shown, can not learn battery
Specific works situation, the maintenance and detection of battery pack can not be carried out.
Utility model content
In order to solve the above problems existing in the present technology, the utility model aim is to provide a kind of based on management system
Battery, for solving the prior art in battery temperature lower region can not work normally, practicability is low and battery system
The problem of having a single function.
The technology employed by the present utility model is
A kind of battery based on management system, battery pack, battery management system and temperature control management system, battery pack, electricity
Pond management system and temperature control system are sequentially connected；
The positive bus and negative bus and battery management system of battery pack are electrically connected, and it includes several is arranged in series
Single battery；
Battery management system includes charging circuit, discharge circuit, the first controller, battery protection unit, DATA REASONING list
Member and the first communication unit, the first controller respectively with battery protection unit, DATA REASONING unit and the first communication unit
Communication connection, the first communication unit and temperature control system communicate to connect, DATA REASONING unit respectively with charging circuit and discharge circuit
Communication connection, the both ends of charging circuit and the both ends of discharge circuit are electrically connected with the bus of battery pack and temperature control system respectively；
Temperature control system includes second controller, current distribution unit, temperature measurement unit, heating unit, the second communication list
Member, third communication unit, charging interface, electric discharge interface, display screen and buzzer, second controller distribute with electric current single respectively
Member, temperature measurement unit, heating unit, the second communication unit, third communication unit, display screen and buzzer communication connection,
Heating unit and temperature measurement unit are all set in the surface of each single battery, and the second communication unit and the first communication unit are logical
Letter connection, third communication unit and host computer communication connection, charging interface and electric discharge interface and corresponding charging circuit and electric discharge
Circuit is electrically connected.
Further, DATA REASONING unit includes the current sensor and voltage sensor with the communication connection of the first controller
One end of device, current sensor is connect with charging circuit and discharge circuit respectively, and the other end is connect with battery pack, voltage sensor
Device is in parallel with single battery.
Further, temperature measurement unit includes the internal layer temperature sensor and outer layer temperature with temperature control system communication connection
Spend sensor；
Internal layer temperature sensor is set to the surface of each single battery, and is located at the heating region and monomer of heating unit
Between battery, exospheric temperature sensor is set to the surface of each single battery, and be located at the non-heated region of heating unit with
Between single battery.
Further, heating unit wraps up each single battery setting, and it includes heating film, heating plate and heating
Piece.
Further, battery management system is that SMBus communicates battery protecting plate, and its model HK13S18A-JHFK.
Further, the first communication unit and the second communication unit are RS232 communication interface, and third communication unit is
RS485 communication interface.
Further, the model of internal layer temperature sensor and exospheric temperature sensor is PT100.
The utility model has the following beneficial effects:
(1) this programme provides a kind of battery based on management system, and heating unit improves battery to low temperature environment
Adaptability can make the battery for not having low temperature charge characteristic have low temperature charge function, and improve battery in low temperature environment
Under the conditions of charging efficiency；
(2) electric current, voltage and the electricity consumption information of the management system acquisition battery pack of this programme, improves battery use
Convenience, while providing battery protection unit, prevent overcurrent or over-voltage from causing to damage to battery pack, improve safety
Property, and carry out the extraction prevention of failure；
(3) battery of this programme can make battery pack exist according to charging situation dynamic adjustment charging current and heating power
Quick charge under low-temperature condition, host computer and display screen can real time inspection battery set charge/discharge information and heated condition information,
And can as needed enforced opening or close battery charging and discharging, heating and control temperature rise function, avoid forced charge and bring
Insecurity factor；
(4) this programme set battery charge and discharge protecting, battery status monitoring and battery heated multi-function, improve
The practicability and convenience of battery.
Detailed description of the invention
Fig. 1 is the battery structure block diagram based on management system；
Fig. 2 is power-supply management system circuit diagram；
Fig. 3 is temperature control system circuit diagram；
Fig. 4 is charging circuit schematic diagram；
Fig. 5 is discharge circuit schematic diagram.
Specific embodiment
With reference to the accompanying drawing and specific embodiment is further elaborated the utility model.
Embodiment 1:
As shown in Figure 1, a kind of battery based on management system, battery pack, battery management system and temperature control management system,
Battery pack, battery management system and temperature control system are sequentially connected；
The positive bus and negative bus and battery management system of battery pack are electrically connected, and it includes several is arranged in series
Single battery；
Battery management system includes charging circuit, discharge circuit, the first controller, battery protection unit, DATA REASONING list
Member and the first communication unit, the first controller respectively with battery protection unit, DATA REASONING unit and the first communication unit
Communication connection, the first communication unit and temperature control system communicate to connect, DATA REASONING unit respectively with charging circuit and discharge circuit
Communication connection, the both ends of charging circuit and the both ends of discharge circuit are electrically connected with the bus of battery pack and temperature control system respectively,
Battery management system as shown in Fig. 2, charging circuit as shown in figure 4, discharge circuit is as shown in Figure 5；
Temperature control system includes second controller, current distribution unit, temperature measurement unit, heating unit, the second communication list
Member, third communication unit, charging interface, electric discharge interface, display screen and buzzer, second controller distribute with electric current single respectively
Member, temperature measurement unit, heating unit, the second communication unit, third communication unit, display screen and buzzer communication connection,
Heating unit and temperature measurement unit are all set in the surface of each single battery, and the second communication unit and the first communication unit are logical
Letter connection, third communication unit and host computer communication connection, charging interface and electric discharge interface and corresponding charging circuit and electric discharge
Circuit is electrically connected, and the circuit of temperature control system is as shown in Figure 3.
In the present embodiment, DATA REASONING unit includes passing with the current sensor of the first controller communication connection and voltage
One end of sensor, current sensor is connect with charging circuit and discharge circuit respectively, and the other end is connect with battery pack, and voltage passes
Sensor is in parallel with single battery.
In the present embodiment, temperature measurement unit includes the internal layer temperature sensor and outer layer with temperature control system communication connection
Temperature sensor；
Internal layer temperature sensor is set to the surface of each single battery, and is located at the heating region and monomer of heating unit
Between battery, exospheric temperature sensor is set to the surface of each single battery, and be located at the non-heated region of heating unit with
Between single battery.
In the present embodiment, each single battery setting is wrapped up in the winding of heating unit " S " type, and is EPC heating film.
In the present embodiment, battery management system is that SMBus communicates battery protecting plate, and its model HK13S18A-
JHFK。
In the present embodiment, the first communication unit and the second communication unit are RS232 communication interface, and third communication unit is
RS485 communication interface.
In the present embodiment, the model of internal layer temperature sensor and exospheric temperature sensor is PT100.
In the present embodiment, battery pack bus is connect with battery management system, that is, SMBus communication battery protecting plate, heating film
EPC1, EPC2, EPC3, EPC4 and ectonexine temperature sensor connect the temperature control of BTCTM4P1S160E model with temperature control system
System has reversal connection protection function, once connection error controller can also work normally, but not charges to battery pack；Electricity
The output end of the output end of the charging circuit of pond management system and discharge circuit respectively with the charging interface of corresponding temperature control system
It is connected with electric discharge interface, the RS485 communication interface connection of host computer and temperature control system receives the voltage, electric current, electricity of battery pack
Percentage and temperature conditions；
Battery management system stores electrical equipment standby current value, the model TI BQ3060 of battery protection unit, charging
Device 4 selects 16.8V lithium battery charger, and selecting the DC-DC power module of VICOR VI-J01-CY model is required equipment
Electric energy is provided；Battery management system by current sensor acquire discharge current data, and with electrical equipment standby current value into
Row compares, and control DC-DC power module stops working, and system is made to enter energy-saving mode；
The battery pack information or charging (0 DEG C or less) that the current distribution unit of temperature control system is read according to battery management system
Or (0 DEG C or more) or electric discharge (60 DEG C above freezing-subzero 40 DEG C of sections are without cut-off), it dynamically distributes charging current and heating film EPC drives
Streaming current, under normal operating conditions, temperature control system drives electric energy used in heating film to come from charger；When charger stops work
After work, host computer are by instruction enforced opening heating film, electric energy used in Charge Management and temperature control panel driving heating film is come from
Battery pack, in not preheating, lithium battery group can simultaneously charge and discharge, without temperature control system, automatically
Judge that user's charging and discharging state, charging and discharging currents realize system suspend mode when being less than threshold value, display screen alternately displays when greater than threshold value
Voltage, electric current, electricity percentage, temperature conditions, and status information is sent out by the timing of RS485 communication interface；
Host computer can be obtained SMBus by the RS485 communication interface of temperature control system and communicate battery pack letter in battery protecting plate
Breath, heating film work state information, additionally it is possible to control heating film and open or close, instruct control SMBus communication electricity by SBS
Charging and discharging metal-oxide-semiconductor in pond protection board enforced opening or charge closing circuit and discharge circuit；Being charged and discharged metal-oxide-semiconductor is
The second controller of the control switch of charging circuit and discharge circuit, control terminal and temperature control system communicates to connect；Temperature control system
With protocol conversion function, the MODBus protocol conversion that can send host computer is SBS agreement, realizes host computer access
SMBus communicates battery protecting plate function.
Power-supply management system circuit is as shown in Fig. 2, U1 selects SILICON C8051F310 as the in power-supply management system
One controller；U2 selects HOLTE HT82B42R as interface chip；N1, N2 control battery discharge output, using AO
4409MOS pipe；XS1, XS2 are that SMBus communicates battery protection plate interface, and XS3 is output interface, and XS4 is to start switch interface,
XS5 is run indicator and charge status indicating light interface, and XS6 is USB interface, and XS7 is DC-DC power module interface.
Temperature control system circuit is as shown in figure 3, the second controller D1 of temperature control system selects C8051F021 processor, D2 choosing
With ADM2483 as RS485 Magnetic isolation conversion chip, RS485A, RS485B pin have V6, V7 transient state that pipe is inhibited to be protected respectively
Shield；Temperature measurement fraction is that 4 line PT100 temperature measurement circuits are made of N1 voltage follower TLC2274；Heating sheet drives by V1 and V2
Control, fault alarm buzzer are controlled by V3, and V1, V2, V3 select 2N2907；XS1 is that the power output of temperature control system connects
Mouthful, for providing heating unit work energy, while providing accessory power supply in electrical equipment access, XS2 is charging interface,
XS3 is electric discharge interface, and XS4 is the second communication interface, is connect with host computer, and XS5 is heating unit interface, and XS6 is the first communication
Interface, XS7 are inside and outside temperature sensor interface.
Working principle: battery internal layer temperature is acquired using internal layer temperature sensor first, is adopted using exospheric temperature sensor
Set battery exospheric temperature uses external temperature sensor acquisition system external temperature, when charger accesses temperature control system, judgement
Whether battery exospheric temperature is less than -10 DEG C of default heating temperature, if conducting heating is single then while charging circuit is connected
Member carries out the heating of battery body, when battery internal layer temperature is more than 10 DEG C of preset stopping heating temperature, closes heating unit,
Stop heating, charging circuit is otherwise only connected, performs battery charging；When electrical equipment access, the drive of current heating unit
Streaming current comes from battery body.
The utility model provides a kind of battery based on management system, solves the prior art in battery in the lower area of temperature
The problem of domain can not work normally, practicability is low and battery system has a single function.
The utility model is not limited to above-mentioned optional embodiment, anyone can obtain under the enlightenment of the utility model
Other various forms of products, however, making any variation in its shape or structure, all the utility model rights that falls into are wanted
The technical solution in confining spectrum is sought, is all fallen within the protection scope of the utility model.
Claims (7)
1. a kind of battery based on management system, it is characterised in that: battery pack, battery management system and temperature control management system,
The battery pack, battery management system and temperature control system are sequentially connected；
The positive bus and negative bus and battery management system of the battery pack are electrically connected, and it includes several is arranged in series
Single battery；
The battery management system includes charging circuit, discharge circuit, the first controller, battery protection unit, DATA REASONING list
Member and the first communication unit, first controller are communicated with battery protection unit, DATA REASONING unit and first respectively
Unit communication connection, first communication unit and temperature control system communicate to connect, and the DATA REASONING unit is electric with charging respectively
The both ends of road and discharge circuit communication connection, the both ends of the charging circuit and discharge circuit respectively with the bus of battery pack and temperature
Control system is electrically connected；
The temperature control system includes second controller, current distribution unit, temperature measurement unit, heating unit, the second communication list
Member, third communication unit, charging interface, electric discharge interface, display screen and buzzer, the second controller divide with electric current respectively
With unit, temperature measurement unit, heating unit, the second communication unit, third communication unit, display screen and buzzer communication link
It connects, the heating unit and temperature measurement unit are all set in the surface of each single battery, second communication unit and
The communication connection of one communication unit, the third communication unit and host computer communicate to connect, the charging interface and electric discharge interface and
Corresponding charging circuit and discharge circuit are electrically connected.
2. the battery according to claim 1 based on management system, it is characterised in that: the DATA REASONING unit includes equal
The current sensor and voltage sensor communicated to connect with the first controller, one end of the current sensor are electric with charging respectively
Road is connected with discharge circuit, and the other end is connect with battery pack, and the voltage sensor is in parallel with single battery.
3. the battery according to claim 1 based on management system, it is characterised in that: the temperature measurement unit includes equal
With the internal layer temperature sensor and exospheric temperature sensor of temperature control system communication connection；
The internal layer temperature sensor is set to the surface of each single battery, and is located at the heating region and monomer of heating unit
Between battery, the exospheric temperature sensor is set to the surface of each single battery, and is located at the unheated zone of heating unit
Between domain and single battery.
4. the battery according to claim 3 based on management system, it is characterised in that: the heating unit wraps up each list
The setting of body battery, and it includes heating film, heating plate and heating sheet.
5. the battery according to claim 1 based on management system, it is characterised in that: the battery management system is
SMBus communicates battery protecting plate, and its model HK13S18A-JHFK.
6. the battery according to claim 1 based on management system, it is characterised in that: first communication unit and second
Communication unit is RS232 communication interface, and the third communication unit is RS485 communication interface.
7. the battery according to claim 3 based on management system, it is characterised in that: the internal layer temperature sensor and outer
The model of layer temperature sensor is PT100.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920246373.5U CN209730084U (en) | 2019-02-28 | 2019-02-28 | A kind of battery based on management system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920246373.5U CN209730084U (en) | 2019-02-28 | 2019-02-28 | A kind of battery based on management system |
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| CN209730084U true CN209730084U (en) | 2019-12-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024187742A1 (en) * | 2023-03-14 | 2024-09-19 | 宁德时代新能源科技股份有限公司 | Battery, charging device, charging method, battery management system and electric apparatus |
-
2019
- 2019-02-28 CN CN201920246373.5U patent/CN209730084U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024187742A1 (en) * | 2023-03-14 | 2024-09-19 | 宁德时代新能源科技股份有限公司 | Battery, charging device, charging method, battery management system and electric apparatus |
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