CN209833413U - New forms of energy electric motor car BMS trades electric identification system - Google Patents
New forms of energy electric motor car BMS trades electric identification system Download PDFInfo
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- CN209833413U CN209833413U CN201920320556.7U CN201920320556U CN209833413U CN 209833413 U CN209833413 U CN 209833413U CN 201920320556 U CN201920320556 U CN 201920320556U CN 209833413 U CN209833413 U CN 209833413U
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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
- 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
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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
- 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
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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
- 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
-
- 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
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
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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
- 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
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
- Y02T90/167—Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
- Y04S30/10—Systems supporting the interoperability of electric or hybrid vehicles
- Y04S30/14—Details associated with the interoperability, e.g. vehicle recognition, authentication, identification or billing
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Abstract
The utility model discloses a new energy electric vehicle BMS trades electric identification system, including battery package unit, PDU unit, high in the clouds database unit; the battery pack unit comprises a plurality of dry batteries, a plurality of battery information acquisition units and a BSU unit; the input ends of the plurality of battery information acquisition units are connected with corresponding batteries; the output ends of the plurality of battery information acquisition units are electrically connected with the BSU unit; the BSU unit is electrically connected with the PDU unit, and a first communication module is arranged in the BSU unit; the first communication module is in communication connection with the cloud database unit; the utility model discloses a battery package information of matching high in the clouds database selects the battery of the SOH that corresponds with the primary battery package, ensures that SOH's search deviation is no longer than 5%, has improved reliability and security that battery package and whole car information match, and the practicality is strong.
Description
Technical Field
The utility model relates to a new forms of energy electric motor car trades the electric field, what especially relate to is a new forms of energy electric motor car BMS trades electric identification system.
Background
With the vigorous development of new energy electric vehicles, the exposure problem is more and more. The battery continuation of the journey mileage is still obvious not enough, and people also more and more do not satisfy the charge time on the new forms of energy electric motor car simultaneously, and the charge time of new forms of energy electric motor car is generally too long, and the charge time overlength then can seriously influence work efficiency and increase the availability factor who fills electric pile to the user that runs long-distance.
In the current market, more and more companies adopt battery pack power exchange technology. However, most of the passenger car battery replacement technology in the industry adopts the replacement of batteries in whole bags. That is, the entire battery pack is completely replaced, and all ECUs integrated inside the battery pack, of the BMS, the fuse, the relay, the pre-dump resistor, and the like inside the battery pack, are all replaced. In addition, devices such as a BMS, a fuse, a relay, a pre-charging resistor, and the like of a general medium-and large-sized commercial electric logistics vehicle are not integrated inside a battery pack, but integrated in a special high-voltage distribution box, so that a battery replacement system of the medium-and large-sized commercial electric logistics vehicle is more complicated.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the BMS battery replacement recognition system for the new energy electric vehicle is provided for the problem of poor matching between a battery pack and vehicle information when the new energy electric vehicle is replaced with battery.
The technical scheme of the utility model as follows: the utility model provides a new forms of energy electric motor car BMS trades electric identification system, includes: the system comprises a battery pack unit, a PDU unit and a cloud database unit; the battery pack unit comprises a plurality of dry batteries, a plurality of battery information acquisition units and a BSU unit; the input ends of the plurality of battery information acquisition units are connected with corresponding batteries; the output ends of the plurality of battery information acquisition units are electrically connected with the BSU unit; the BSU unit is electrically connected with the PDU unit, and a first communication module is arranged in the BSU unit; the first communication module is in communication connection with the cloud database unit.
Preferably, the number of the battery and the battery information acquisition units can be set according to actual needs; the battery information acquisition unit is an IC circuit integrated by a battery information acquisition circuit formed by discrete components, an LTC6811 chip and an MC33771 chip; the battery information acquisition units are connected by adopting a daisy chain topology; the BSU is connected with the last battery information acquisition circuit.
Preferably, the BSU unit further includes a switching power supply, a real-time clock module, a first MCU module, a daisy chain to SPI module, a first can module, and a transformer isolator; the real-time clock module and the first MCU module are in telecommunication connection with the first communication module; the first MCU module is electrically connected with the PDU unit through the first can module; the first MCU module is electrically connected with the battery information acquisition units through the daisy chain to SPI conversion module and the transformer isolator.
Preferably, the BSU unit further includes a memory, a SIM card; the memory, the SIM card and the first MCU module are electrically connected, and the memory and the SIM card are electrically connected with the PDU unit through the first can module.
Preferably, the real-time clock module may be made of PCF8563 of NXP, or may be made of other integrated ICs, for example, PCF8563, and the real-time clock module has a timing wake-up function, that is, the real-time clock module can set a time for the first MCU module, and then PCF8563 automatically sends a high level to the MCU to wake up the first MCU module.
Preferably, the PDU unit includes several relays, a shunt, a fuse, and a BMU unit; the BMU unit comprises a second communication module; the multiple relays are respectively and electrically connected with the multiple batteries and the BMU unit through corresponding shunts and fuses, the BMU unit is electrically connected with the real-time clock module, the first MCU module and the first communication module, and the second communication module is in communication connection with the cloud database unit.
Preferably, the BMU unit further includes a plurality of vehicle communication modules, a plurality of detection ports, a plurality of isolators, a relay control port, a voltage reduction module, and a second MCU module; the vehicle communication modules, the isolators and the relay control port are electrically connected with the second MCU module; the detection ports are electrically connected with the second MCU module through a plurality of isolators; the voltage reduction module is electrically connected with the second MCU module through the vehicle communication module.
Preferably, the plurality of vehicle communication modules include a vehicle CAN module, a second CAN module, an internal CAN module, and a charging pile signal interface.
Preferably, the detection ports comprise a voltage detection end, a total current detection end and an insulation impedance detection end which are electrically connected with the batteries.
Preferably, the isolator is set as an optocoupler, a transformer isolator or an isolator IC.
Preferably, the voltage reduction module is a buck voltage reduction circuit of non-isolated DC-DC, LM5575/LM 5576.
Preferably, the first communication module and the second communication module are both set to be GPRS or bluetooth.
Preferably, the cloud database unit is a mobile communication terminal, a PC terminal or a database.
Adopt above-mentioned scheme, the utility model discloses beneficial effect is:
the utility model collects the battery information through the battery information collecting unit of the battery pack unit and transmits the battery information to the BSU module, and the battery information is transmitted to the cloud database unit through the first remote communication module in the BSU module; the BSU module carries out unique ID coding on the current battery pack and sends the unique ID coding to the BMU module through the CAN bus; when the battery pack of the electric vehicle needs to be replaced, the BMU transmits the information of the primary battery pack to the background cloud database through the second remote communication module, and meanwhile, the BMU performs data matching in the background cloud database, finds out the SOH battery corresponding to the primary battery pack and moves to replace the battery pack; after the BMU is successfully replaced, the BMU searches in a cloud database unit according to the ID number sent by the BSU, and the BMU performs coverage updating on the data in the BMU; meanwhile, after the battery pack is fully charged and put in a warehouse in the battery replacement station, the old battery pack is awakened regularly through a real-time clock module in the battery pack unit, various information of the battery is monitored and recorded, and the information is sent to a cloud for real-time updating; the master-slave interaction is more rigorous, and the background cloud can also monitor in real time, so that the reliability and the safety of information matching of the battery pack and the whole vehicle are improved, and the practicability is enhanced.
Drawings
FIG. 1 is a simplified topological diagram of the present invention;
fig. 2 is a circuit diagram of the internal circuit of the BSU unit of the present invention;
fig. 3 is a circuit diagram of the BMU unit according to the present invention.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments;
as shown in fig. 1 to 3: the embodiment provides a BMS battery replacement identification system for a new energy electric vehicle, which comprises a battery pack unit 1, a PDU unit 2 and a cloud database unit 3; the battery pack unit 1 comprises a plurality of batteries 11, a plurality of battery information acquisition units CSU and a BSU unit 12; the input ends of the plurality of battery information acquisition units CSU are connected with corresponding batteries; the BSU unit 12 is connected with the output end of the battery information acquisition circuit; the output end of the BSU unit 12 is electrically connected with the PDU unit 2, and a first communication module 131 is disposed in the BSU unit 12; the first communication module 131 is in communication connection with the cloud database 3 unit.
The CSUs are integrated IC circuits of a battery information acquisition circuit, an LTC6811 chip and an MC33771 chip which are formed by discrete components; the plurality of battery information acquisition units CSUs are connected by adopting a daisy chain topology.
The BSU unit 12 further includes a switching power supply 132, a real-time clock module 133, a first MCU module 134, a daisy chain to SPI module 135, a first can module 136, and a transformer isolator 137; the real-time clock module 133 and the first MCU module 134 are electrically connected to the first communication module 131; the first MCU module 134 is electrically connected to the PDU unit 2 via a first can module 136; the first MCU module 34 is electrically connected to the battery information collection units CSU via the daisy chain to SPI module 135 and the transformer isolator 137.
The BSU unit 12 further includes a memory 138, a SIM card 139; the memory 138 and the SIM card 139 are electrically connected to the first MCU module 134, and both the memory 138 and the SIM card 139 are electrically connected to the PDU unit 2 through the first can module 136.
The first MCU module must have a standby mode; under the premise of a single battery pack (namely, the battery pack is not connected with a BMU), or under the premise that the BMS is not started, the whole system falls into a standby mode, then is awakened by a real-time clock module, monitors and records various information of the battery, and continues to fall into the standby after being sent to a cloud.
The BSU has the functions of storing data of all the battery information acquisition units CSU, sending the data to the cloud database unit through the first remote communication module, and carrying out unique ID coding on the battery pack in which the data is located.
The PDU unit 2 comprises a relay 21, a current divider 22, a fuse 23 and a BMU unit 24; the second communication module 241; the relay includes first relay 211, second relay 212, first relay 211, second relay 212 respectively through shunt 22, fuse 23 and a plurality of battery 11, BMU unit 24 electric connection, BMU unit 24 and real-time clock module 133, first MCU module 134, first communication module 131 electric connection, second communication module 241 and cloud database unit 3 communication connection.
The BMU unit 24 further includes a number of vehicle communication modules 242, a number of detection ports 243, a number of isolators 244, a relay control port 245, a voltage reduction module 246, and a second MCU module 247; the vehicle communication modules 242, the isolators 244 and the relay control port 245 are electrically connected with the second MCU module 247; the detection ports 243 are electrically connected with the second MCU module 247 through the corresponding isolators 244; the voltage reduction module 246 is electrically connected with the second MCU module 247 through the vehicle communication module 242.
The plurality of vehicle communication modules 242 include a vehicle CAN module 242a, a second CAN module 242b, an internal CAN module 242c, and a charging pile signal interface 242 d.
The detection ports 243 comprise a total pressure detection end 243a, a total current detection end 243b and an insulation resistance detection end 243 c; the total voltage detection end 243a, the total current detection end 243b and the insulation resistance detection end 243c are electrically connected to the plurality of batteries 11.
The cloud database unit 3 can be a mobile communication terminal, a PC terminal or a database.
The utility model discloses a theory of operation: the battery information is collected by a battery information collection module of the battery pack unit and then collected to the BSU module, and the battery information is transmitted to the cloud database unit through a first remote communication module in the BSU module; the BSU module carries out unique ID coding on the current battery pack and transmits the unique ID coding to the BMU module through the CAN bus; when the battery pack of the electric vehicle needs to be replaced, the BMU transmits the information of the primary battery pack to the background cloud database through the second remote communication module, and meanwhile, the BMS performs data matching in the background cloud database, searches for an SOH battery corresponding to the primary battery pack and replaces the battery pack; after the replacement is successful, the BMU searches in a cloud database unit according to the ID number sent by the BSU, and updates the data in the BMU in a covering manner, so that the background cloud can also perform real-time monitoring while the master-slave interaction is more rigorous; meanwhile, after the battery changing station is fully charged and put in a warehouse, the old battery pack is awakened at regular time through a real-time clock module in the battery pack unit, various information of the battery is monitored and recorded, and the information is sent to the cloud for real-time updating.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a new forms of energy electric motor car BMS trades electric identification system which characterized in that: the system comprises a battery pack unit, a PDU unit and a cloud database unit; the battery pack unit comprises a plurality of dry batteries, a plurality of battery information acquisition units and a BSU unit; the input ends of the plurality of battery information acquisition units are connected with corresponding batteries; the output ends of the plurality of battery information acquisition units are electrically connected with the BSU unit; the BSU unit is electrically connected with the PDU unit, and a first communication module is arranged in the BSU unit; the first communication module is in communication connection with the cloud database unit.
2. The BMS battery replacement identification system of a new energy electric vehicle of claim 1, wherein: the battery information acquisition units are integrated IC circuits of a battery information acquisition circuit, an LTC6811 chip and an MC33771 chip which are formed by discrete components; the battery information acquisition units are connected by adopting a daisy chain topology.
3. The BMS battery replacement identification system of a new energy electric vehicle of claim 1, wherein: the BSU unit further comprises a switching power supply, a real-time clock module, a first MCU module, a daisy chain transfer SIP module, a first can module and a transformer isolator; the real-time clock module and the first MCU module are both in telecommunication connection with the first communication module; the first MCU module is electrically connected with the PDU unit through the first can module; the first MCU module is also electrically connected with the battery information acquisition units through the daisy chain to SPI conversion module and the transformer isolator.
4. The BMS battery replacement identification system of a new energy electric vehicle of claim 3, wherein: the BSU unit further comprises a memory and a SIM card; the memory, the SIM card and the first MCU module are electrically connected, and the memory and the SIM card are electrically connected with the PDU unit through the first can module.
5. The BMS battery replacement identification system of a new energy electric vehicle of claim 1, wherein: the PDU unit comprises a plurality of relays, a shunt, a fuse and a BMU unit; the BMU unit comprises a second communication module; the relays are electrically connected with the batteries and the BMU unit through corresponding shunts and fuses respectively; the BMU unit is electrically connected with the real-time clock module, the first MCU module and the first communication module; and the second communication module is in communication connection with the cloud database unit.
6. The BMS battery replacement identification system of a new energy electric vehicle of claim 5, wherein: the BMU unit also comprises a plurality of vehicle communication modules, a plurality of detection ports, a plurality of isolators, a relay control port, a voltage reduction module and a second MCU module; the vehicle communication modules, the isolators and the relay control port are electrically connected with the second MCU module; the detection ports are electrically connected with the second MCU module through corresponding isolators; the voltage reduction module is electrically connected with the second MCU module through the vehicle communication module.
7. The BMS battery replacement identification system of the new energy electric vehicle as claimed in claim 6, wherein: the vehicle communication modules comprise a whole vehicle CAN module, a second CAN module, an internal CAN module and a charging pile signal interface.
8. The BMS battery replacement identification system of the new energy electric vehicle as claimed in claim 6, wherein: the detection ports comprise a total pressure detection end, a total current detection end and an insulation impedance detection end; the total pressure detection end, the total current detection end and the insulation impedance detection end are electrically connected with the batteries.
9. The BMS battery replacement identification system of the new energy electric vehicle as claimed in claim 6, wherein: the isolators are optical couplers, transformer isolators or isolating ICs; the voltage reduction module is a buck voltage reduction circuit of non-isolated DC-DC and LM5575/LM 5576.
10. The BMS battery replacement identification system of the new energy electric vehicle as claimed in claim 1 or 5, wherein: the first communication module and the second communication module are both set to be GPRS or Bluetooth; the cloud database unit comprises a mobile communication terminal, a PC terminal or a database.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920320556.7U CN209833413U (en) | 2019-03-12 | 2019-03-12 | New forms of energy electric motor car BMS trades electric identification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920320556.7U CN209833413U (en) | 2019-03-12 | 2019-03-12 | New forms of energy electric motor car BMS trades electric identification system |
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| Publication Number | Publication Date |
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| CN209833413U true CN209833413U (en) | 2019-12-24 |
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| CN201920320556.7U Expired - Fee Related CN209833413U (en) | 2019-03-12 | 2019-03-12 | New forms of energy electric motor car BMS trades electric identification system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113103911A (en) * | 2021-04-12 | 2021-07-13 | 湖北亿纬动力有限公司 | Battery replacement management system and method for battery module |
| CN113291194A (en) * | 2021-04-06 | 2021-08-24 | 北汽福田汽车股份有限公司 | Vehicle, and battery swapping method, battery swapping device and computer-readable storage medium thereof |
| CN115284965A (en) * | 2022-09-29 | 2022-11-04 | 西华大学 | Battery replacement station preselection method of battery replacement type commercial vehicle based on combination optimization method |
-
2019
- 2019-03-12 CN CN201920320556.7U patent/CN209833413U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113291194A (en) * | 2021-04-06 | 2021-08-24 | 北汽福田汽车股份有限公司 | Vehicle, and battery swapping method, battery swapping device and computer-readable storage medium thereof |
| CN113103911A (en) * | 2021-04-12 | 2021-07-13 | 湖北亿纬动力有限公司 | Battery replacement management system and method for battery module |
| CN115284965A (en) * | 2022-09-29 | 2022-11-04 | 西华大学 | Battery replacement station preselection method of battery replacement type commercial vehicle based on combination optimization method |
| CN115284965B (en) * | 2022-09-29 | 2022-12-13 | 西华大学 | Battery replacement station preselection method of battery replacement type commercial vehicle based on combination optimization method |
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