CN109888145A - Battery modules and battery pack with wireless communication function - Google Patents
Battery modules and battery pack with wireless communication function Download PDFInfo
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- CN109888145A CN109888145A CN201910258873.5A CN201910258873A CN109888145A CN 109888145 A CN109888145 A CN 109888145A CN 201910258873 A CN201910258873 A CN 201910258873A CN 109888145 A CN109888145 A CN 109888145A
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- wireless communication
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- battery
- communication function
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- 238000004891 communication Methods 0.000 title claims abstract description 151
- 230000005540 biological transmission Effects 0.000 claims abstract description 64
- 238000001514 detection method Methods 0.000 claims abstract description 18
- 230000005611 electricity Effects 0.000 claims description 10
- 230000000087 stabilizing effect Effects 0.000 claims description 8
- 238000011897 real-time detection Methods 0.000 claims description 6
- 238000007689 inspection Methods 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 6
- 230000006698 induction Effects 0.000 description 4
- 230000010354 integration Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/50—Charging stations characterised by energy-storage or power-generation means
- B60L53/53—Batteries
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
-
- 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
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
Landscapes
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Computer Networks & Wireless Communication (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Signal Processing (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The present invention relates to electric vehicle battery packet technology field more particularly to a kind of battery modules and battery pack with wireless communication function；Including battery modules unit, running parameter detection module, wireless communication receiver chip and wireless communication transmission chip；The running parameter detection module is electrically connected by signal wire with the wireless communication transmission chip；The wireless communication transmission chip is electrically connected with the wireless communication receiver chip by signal wire；Battery modules and battery pack disclosed in this invention with wireless communication function, by the way that the wireless communication transmission chip and the wireless communication receiver chip are arranged between battery modules unit, battery pack internal low-voltage acquisition harness is cancelled, it is changed to wirelessly communicate, package space is saved, battery pack total weight is mitigated；Harness constraint is got rid of simultaneously, and acquisition and communication module can be arranged in more suitable position.
Description
Technical field
The present invention relates to electric vehicle battery packet technology field more particularly to a kind of battery moulds with wireless communication function
Group and battery pack.
Background technique
Recent years, pure electric automobile have obtained significant progress, in the whole nation and worldwide, every country and enterprise
Industry is all greatly developing implementation pure electric automobile.And battery pack is as the power exporting machine structure on pure electric automobile, important work
With being also self-evident.
Power battery is less than 1m3Space in need to arrange under nearly 100 groups of batteries (lithium battery voltage is 3~4V, battery
Packet need to export 400V voltage, need to connect 100 groups or more), every group of battery requires collection voltages, temperature collection, in entire packet
It also needs to acquire electric current etc., while having height pressure control apparatus, cut-off equipment and management equipment etc. all need between these complex devices
Harness is wanted to be attached, all harness in entire battery pack are added together nearly hundred meters, and corresponding terminal plug etc. is also required to closely
Hundred.
In the design process of battery pack, the trend for the low voltage communication harness that needs to arrange, the fixation point of harness, harness
Fixed mechanism, the connection type etc. of collection point are the engineerings of a system and complexity.The arrangement of harness is corresponded to simultaneously, in order to
Corresponding components caused by service harness also occupy biggish space and higher quality in battery.
If the low voltage communication harness in battery pack can be cancelled, becomes wirelessly communicating, largely be set then can save
Between timing and development cost, while the volume/weight energy density of battery pack can be promoted, so that the arrangement of battery core becomes more square
Just.
Therefore, to solve the above-mentioned problems, it is badly in need of inventing a kind of new battery modules and electricity with wireless communication function
Chi Bao.
Summary of the invention
It is an object of the invention to: a kind of battery modules and battery pack with wireless communication function, low voltage communication are provided
Using wireless communication (including voltage acquisition, temperature acquisition etc.), harness cost can be saved, the space that release harness occupies subtracts
The complexity of few structure design.
The present invention provides following proposals:
A kind of battery modules with wireless communication function, including battery modules unit, it is electrically connected to the battery modules
On unit for battery modules cell operation parameter described in real-time detection running parameter detection module, be used for wireless receiving institute
State the wireless communication receiver chip of battery modules cell operation parameter and for transmitting wirelessly the battery modules cell operation ginseng
Several wireless communication transmission chips；The running parameter detection module is electrically connected by signal wire and the wireless communication transmission chip
It connects；The wireless communication transmission chip is electrically connected with the wireless communication receiver chip by signal wire.
Preferably, the battery modules with wireless communication function further include passing through confession with the battery modules unit
The power supply Voltage stabilizing module of electric wire parallel connection, the power supply Voltage stabilizing module pass through respectively supply lines and the running parameter detection module,
The wireless communication transmission chip and wireless communication receiver chip electrical connection.
Preferably, the running parameter detection module includes being parallel on the battery modules unit output end for detecting
The voltage sensor of battery modules unit output voltage and temperature sensor for detecting the battery modules cell temperature, institute
It states voltage sensor and the temperature sensor passes through signal wire respectively and is electrically connected with the wireless communication transmission chip；The electricity
Pressure sensor and the temperature sensor pass through supply lines respectively and are electrically connected with the power supply Voltage stabilizing module.
Preferably, the voltage sensor, the temperature sensor, the wireless communication transmission chip and the channel radio
Letter receives chip in integrated setting on same pcb board.
It further, include multiple in sequence interval the present invention also provides a kind of battery pack with wireless communication function
The battery modules with wireless communication function of arrangement, further include for detecting and receiving each battery modules unit
The battery manager of running parameter；The battery manager respectively with the nothing that is located on the first battery modules unit
Line communications reception chip and the wireless communication transmission chip on the battery modules unit at end pass through wireless communication
Number electrical connection；Another adjacent with its sequence of the wireless communication transmission chip on one of them described battery modules unit
The wireless communication receiver chip on a battery modules unit is electrically connected by wireless signal, and with this in each electricity
The running parameter of the battery modules unit is sequentially transmitted between the module group unit of pond.
Preferably, the battery pack with wireless communication function further includes the electric current being arranged on battery pack supply lines
Sensor, the current sensor are electrically connected with the power supervisor by signal wire.
Preferably, the current sensor is electrically connected with the power supervisor by wireless signal.
Preferably, the wireless communication receiver chip is identical with the type of the wireless communication transmission chip.
Preferably, the wireless communication receiver chip is that Infrared Wireless Communication receives chip, NFC wireless communication receiver chip
In any.
Preferably, the wireless communication transmission chip is Infrared Wireless Communication transmission chip, NFC wireless communication transmission chip
In any.
It is that the present invention generates the utility model has the advantages that
1, the battery modules and battery pack disclosed in this invention with wireless communication function, including battery modules unit,
The running parameter inspection for battery modules cell operation parameter described in real-time detection being electrically connected on the battery modules unit
Survey module, for the wireless communication receiver chip of battery modules cell operation parameter described in wireless receiving and for transmitting wirelessly
State the wireless communication transmission chip of battery modules cell operation parameter；The running parameter detection module by signal wire with it is described
Wirelessly communicate transmission chip electrical connection；The wireless communication transmission chip and the wireless communication receiver chip pass through signal wire electricity
Connection；It, will by the way that the wireless communication transmission chip and the wireless communication receiver chip are arranged between battery modules unit
Battery pack internal low-voltage, which acquires harness, to be cancelled, and is changed to wirelessly communicate, is saved package space, mitigates battery pack total weight；It puts simultaneously
The constraint of off-line beam, acquisition and communication module can be arranged in more suitable position.
2, the wireless communication transmission chip wirelessly communicates transmission chip using NFC, and the wireless communication receiver chip is adopted
With NFC wireless communication receiver chip；Select near-field communication as the medium (NFC) of wireless transmission, NFC is by non-contact radio-frequency
Identification (RFID) and the integration of interconnection and interflow technology are evolved, and pass through integrated induction formula card reader, induction type on a single chip
The function of card and point-to-point communication；The reason of selecting NFC for, first, technical maturity is very high, along in moving field
The use of scape, the cost of NFC is very low at present, the degree of reliability is very high.Second, 13.56MHz frequency run on 20 centimetres away from
From interior.Its transmission speed reaches as high as 424Kbit/ seconds, meets CAN protocol in current battery packet and needs 250Kbit baud rate
Demand.Third, power consumption is very low, and single NFC chip power consumption also only has 20 μ A in the case where full working scope, not will increase battery pack
Additional power consumption.
Detailed description of the invention
Fig. 1 is the structural block diagram of the battery modules with wireless communication function of the invention.
Fig. 2 is the structural block diagram of the battery pack with wireless communication function of the invention.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Embodiment one
It is shown in Figure 1, a kind of battery modules with wireless communication function, including battery modules unit, be electrically connected to
The running parameter detection module for battery modules cell operation parameter described in real-time detection on the battery modules unit, use
The wireless communication receiver chip of battery modules cell operation parameter described in wireless receiving and for transmitting wirelessly the battery mould
The wireless communication transmission chip of group cell operation parameter；The running parameter detection module passes through signal wire and the wireless communication
Transmission chip electrical connection；The wireless communication transmission chip is electrically connected with the wireless communication receiver chip by signal wire.Institute
The battery modules with wireless communication function stated further include steady by supply lines power supply in parallel with the battery modules unit
Die block, the power supply Voltage stabilizing module passes through supply lines respectively and the running parameter detection module, the wireless communication are sent
Chip and wireless communication receiver chip electrical connection.The running parameter detection module includes being parallel to the battery modules list
For detecting the voltage sensor of battery modules unit output voltage and for detecting the battery modules unit on first output end
The temperature sensor of temperature, the voltage sensor and the temperature sensor pass through signal wire respectively and the wireless communication is sent out
Chip is sent to be electrically connected；The voltage sensor and the temperature sensor pass through supply lines and power supply Voltage stabilizing module electricity respectively
Connection.The voltage sensor, the temperature sensor, the wireless communication transmission chip and the wireless communication receiver chip
In integrated setting on same pcb board.The wireless communication receiver chip is NFC wireless communication receiver chip.It is described wireless
Communicating transmission chip is that NFC wirelessly communicates transmission chip.
The battery modules of wireless communication function are had described in the present embodiment, including battery modules unit, are electrically connected to institute
It states the running parameter detection module for being used for battery modules cell operation parameter described in real-time detection on battery modules unit, be used for
The wireless communication receiver chip of battery modules cell operation parameter described in wireless receiving and for transmitting wirelessly the battery modules
The wireless communication transmission chip of cell operation parameter；The running parameter detection module is sent out by signal wire and the wireless communication
Chip is sent to be electrically connected；The wireless communication transmission chip is electrically connected with the wireless communication receiver chip by signal wire；Pass through
The wireless communication transmission chip and the wireless communication receiver chip are set between battery modules unit, inside battery pack
Low pressure acquires harness and cancels, and is changed to wirelessly communicate, and saves package space, mitigates battery pack total weight；Harness constraint is got rid of simultaneously,
Acquisition and communication module can be arranged in more suitable position.
The battery modules of wireless communication function are had described in the present embodiment, the wireless communication transmission chip uses NFC
Transmission chip is wirelessly communicated, the wireless communication receiver chip uses NFC wireless communication receiver chip；Select near-field communication as
The medium (NFC) of wireless transmission, NFC are evolved by non-contact radio-frequency identification (RFID) and the integration of interconnection and interflow technology,
Pass through the function of integrated induction formula card reader, icah wavw and point-to-point communication on a single chip；The reason of selecting NFC
For, first, technical maturity is very high, and along in the use in mobile context, the cost of NFC is very low at present, reliable journey
It spends very high.Second, it is run in a distance of 20 centimeters in 13.56MHz frequency.Its transmission speed reaches as high as 424Kbit/ seconds,
Meets the needs of CAN protocol needs 250Kbit baud rate in current battery packet.Third, power consumption is very low, the full working scope the case where
Under single NFC chip power consumption also only have 20 μ A, not will increase the additional power consumption of battery pack.
The battery modules of wireless communication function, the original low voltage communication Working mould of battery pack are had described in the present embodiment
Formula is that had point of contact position is connected with the BMS in packet, and BMS is fixed on the designated position in packet, and all harness are here
Collect.One side transmitting digital signals, while also transmission of analogue signal (voltage, electric current, that is, transmission of analogue signal to BMS master control borad
Handled), the transmission of digital signal directly becomes wireless transmission, but the transmission of analog signal needs certain processing.
The battery modules of wireless communication function are had described in the present embodiment, every string battery modules match one piece of pcb board, above
It is acquired voltage equipped with LTC6811 (voltage sensor), while taking electricity after source of stable pressure to monolith PCB from a string of battery both ends
Power supply, while temperature collection analog signal are converted into electric signal through mould-electricity circuit, voltage/temperature information in entire plate via
NFC chip is sent to the junior's pcb board closed on.Match pcb board simultaneously at current acquisition, plate voltage takes electricity from mould group is closed on, and leads to
It crosses Hall sensor and adopts to obtain current analog signal, by MLX91208, be converted into digital signal, transmitted downwards via NFC module.
In control terminal, as a same reason, electricity is taken from mould group nearby, receives control signal via NFC.Whole system uses daisy chain form
(ending be connected) both communicate without each module with BMS, the only connection nearest with it of each module, only need to have a ring and
BMS connection.
Embodiment two, the present embodiment are improved on the basis of example 1, contents described in embodiment one
It is no longer specifically to be repeated herein possessed by the present embodiment.
Referring to shown in Fig. 1 to Fig. 2, a kind of battery pack with wireless communication function includes multiple arranging in sequence interval
The battery modules with wireless communication function further include joining for detecting and receiving the work of each battery modules unit
Several battery managers；The battery manager respectively with the wireless communication that is located on the first battery modules unit
It receives chip and the wireless communication transmission chip on the battery modules unit at end is electrically connected by wireless signal
It connects；Described in another adjacent with its sequence of the wireless communication transmission chip on one of them described battery modules unit
The wireless communication receiver chip on battery modules unit is electrically connected by wireless signal, and with this in each battery modules
The running parameter of the battery modules unit is sequentially transmitted between unit.The battery pack with wireless communication function is also wrapped
It includes the current sensor being arranged on battery pack supply lines, the current sensor and the power supervisor and passes through signal wire electricity
Connection.The current sensor is electrically connected with the power supervisor by wireless signal.The wireless communication receiver chip and
The type of the wireless communication transmission chip is identical.The wireless communication receiver chip is NFC wireless communication receiver chip.It is described
Wirelessly communicating transmission chip is that NFC wirelessly communicates transmission chip.
Have the battery pack of wireless communication function described in the present embodiment, including battery modules unit, be electrically connected to it is described
On battery modules unit for battery modules cell operation parameter described in real-time detection running parameter detection module, be used for nothing
Line receives the wireless communication receiver chip of the battery modules cell operation parameter and for transmitting wirelessly the battery modules list
The wireless communication transmission chip of first running parameter；The running parameter detection module is sent by signal wire and the wireless communication
Chip electrical connection；The wireless communication transmission chip is electrically connected with the wireless communication receiver chip by signal wire；By
The wireless communication transmission chip and the wireless communication receiver chip are set between battery modules unit, it will be low inside battery pack
Pressure acquisition harness is cancelled, and is changed to wirelessly communicate, saves package space, mitigates battery pack total weight；Harness constraint is got rid of simultaneously, is adopted
Collection and communication module can be arranged in more suitable position.
Described in the present embodiment have wireless communication function battery pack, the wireless communication transmission chip use NFC without
Line communicates transmission chip, and the wireless communication receiver chip uses NFC wireless communication receiver chip；Select near-field communication as nothing
The medium (NFC) of line transmission, NFC are evolved by non-contact radio-frequency identification (RFID) and the integration of interconnection and interflow technology, are led to
Cross the function of integrated induction formula card reader, icah wavw and point-to-point communication on a single chip；The reason of selecting NFC for,
First, technical maturity is very high, and along in the use in mobile context, the cost of NFC is very low at present, the degree of reliability is non-
Chang Gao.Second, it is run in a distance of 20 centimeters in 13.56MHz frequency.Its transmission speed reaches as high as 424Kbit/ seconds, meets
CAN protocol needs the demand of 250Kbit baud rate in current battery packet.Third, power consumption is very low, places an order in the case where full working scope
One NFC chip power consumption also only has 20 μ A, not will increase the additional power consumption of battery pack.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of battery modules with wireless communication function, it is characterised in that: including battery modules unit, be electrically connected to it is described
On battery modules unit for battery modules cell operation parameter described in real-time detection running parameter detection module, be used for nothing
Line receives the wireless communication receiver chip of the battery modules cell operation parameter and for transmitting wirelessly the battery modules list
The wireless communication transmission chip of first running parameter；The running parameter detection module is sent by signal wire and the wireless communication
Chip electrical connection；The wireless communication transmission chip is electrically connected with the wireless communication receiver chip by signal wire.
2. the battery modules according to claim 1 with wireless communication function, it is characterised in that: further include and the electricity
Pond module group unit passes through supply lines and the work by the power supply Voltage stabilizing module of supply lines parallel connection, the power supply Voltage stabilizing module respectively
Make parameter detection module, the wireless communication transmission chip and wireless communication receiver chip electrical connection.
3. the battery modules according to claim 2 with wireless communication function, it is characterised in that: the running parameter inspection
Surveying module includes being parallel on the battery modules unit output end to pass for detecting the voltage of battery modules unit output voltage
Sensor and temperature sensor for detecting the battery modules cell temperature, the voltage sensor and the temperature sensor
It is electrically connected respectively by signal wire with the wireless communication transmission chip；The voltage sensor and temperature sensor difference
It is electrically connected by supply lines with the power supply Voltage stabilizing module.
4. the battery modules according to claim 3 with wireless communication function, it is characterised in that: the voltage sensor
Device, the temperature sensor, the wireless communication transmission chip and the wireless communication receiver chip are in integrated setting in same
On one pcb board.
5. a kind of battery pack with wireless communication function, it is characterised in that: including it is multiple in sequence interval arrangement such as right
It is required that any battery modules for having wireless communication function in 1-4, further include for detecting and receiving each battery mould
The battery manager of the running parameter of group unit；The battery manager is respectively and on the first battery modules unit
The wireless communication receiver chip and the wireless communication transmission chip on the battery modules unit at end it is logical
Cross wireless signal electrical connection；The wireless communication transmission chip on one of them described battery modules unit with its sequence phase
The wireless communication receiver chip on another adjacent described battery modules unit by wireless signal electrical connection, and with this
The running parameter of the battery modules unit is sequentially transmitted between each battery modules unit.
6. the battery pack according to claim 5 with wireless communication function, it is characterised in that: further include being arranged in battery
Current sensor on packet supply lines, the current sensor are electrically connected with the power supervisor by signal wire.
7. the battery pack according to claim 6 with wireless communication function, it is characterised in that: the current sensor with
The power supervisor is electrically connected by wireless signal.
8. the battery pack according to claim 7 with wireless communication function, it is characterised in that: the wireless communication receiver
Chip is identical with the type of the wireless communication transmission chip.
9. the battery pack according to claim 8 with wireless communication function, it is characterised in that: the wireless communication receiver
Chip is any in Infrared Wireless Communication reception chip, NFC wireless communication receiver chip.
10. the battery pack according to claim 9 with wireless communication function, it is characterised in that: the wireless communication hair
Chip is sent to wirelessly communicate any in transmission chip for Infrared Wireless Communication transmission chip, NFC.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910258873.5A CN109888145A (en) | 2019-04-01 | 2019-04-01 | Battery modules and battery pack with wireless communication function |
| PCT/CN2019/082073 WO2020199237A1 (en) | 2019-04-01 | 2019-04-10 | Battery module with wireless communication function and battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910258873.5A CN109888145A (en) | 2019-04-01 | 2019-04-01 | Battery modules and battery pack with wireless communication function |
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| CN112670606A (en) * | 2020-12-23 | 2021-04-16 | 重庆峘能电动车科技有限公司 | Battery pack and electric automobile |
| CN113078380A (en) * | 2021-03-30 | 2021-07-06 | 珠海冠宇电池股份有限公司 | Single battery and battery module |
| CN113542440A (en) * | 2020-04-16 | 2021-10-22 | 郑州宇通集团有限公司 | Battery pack wireless information acquisition device and addressing method and addressing system thereof |
| CN114654988A (en) * | 2022-02-24 | 2022-06-24 | 中国第一汽车股份有限公司 | Battery pack integrated with vehicle body function and vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116365631A (en) * | 2021-12-27 | 2023-06-30 | 南京泉峰科技有限公司 | Battery management system and battery pack |
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Also Published As
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| WO2020199237A1 (en) | 2020-10-08 |
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