CN210502289U - Power battery energy storage type tramcar charging device - Google Patents
Power battery energy storage type tramcar charging device Download PDFInfo
- Publication number
- CN210502289U CN210502289U CN201921461729.3U CN201921461729U CN210502289U CN 210502289 U CN210502289 U CN 210502289U CN 201921461729 U CN201921461729 U CN 201921461729U CN 210502289 U CN210502289 U CN 210502289U
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- Prior art keywords
- energy storage
- tram
- vehicle
- control system
- power battery
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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
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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
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- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model belongs to the technical field of urban rail electric drive system technique and specifically relates to a power battery energy storage formula tram charging device, include the tram that utilizes the pantograph to get electricity from the contact rail, the control system that charges for the energy supply, the on-vehicle energy storage management system who sets up in the tram and the ground signal machine that sets up in the platform, the control system that charges comprises machine and machine controller that charges, the contact rail passes through the cable and is connected with the machine that charges, control system and tram all are provided with WIFI-AP, utilize WIFI-AP technique to solve the problem that a large amount of data carry out real-time transmission when the lithium cell charges; considering the situation that the vehicles going up and down simultaneously enter the station, the vehicle-mounted energy storage management system helps the charging control system to distinguish the corresponding vehicles by acquiring the number information of the current station from the signal system due to the fact that wireless transmission is not directional, and the difficult problem of identification of the charging vehicles is solved.
Description
Technical Field
The utility model belongs to the technical field of city rail electricity transmission system technique and specifically relates to a power battery energy storage formula tram charging device.
Background
The tramcar is a light rail transportation vehicle which is driven by electric power and runs on a rail, the tramcar is a public transportation vehicle, the tramcar is driven by the electric power, and the vehicle does not discharge waste gas, so the tramcar is a pollution-free environment-friendly transportation vehicle. In the existing charging scheme of the tramcar, the vehicle-mounted energy storage type power supply mode basically adopts a scheme of a super capacitor or a super capacitor plus a small-capacity lithium battery, and because the energy density of the super capacitor is low, the vehicle-mounted energy storage energy is limited, and the vehicle endurance mileage is short; the super capacitor is matched with a small-capacity lithium battery to improve vehicle-mounted energy storage energy, but the energy is increased in a limited mode, and although the station distance can be effectively increased, the station charging is still needed. The project selects a vehicle-mounted energy storage mode of a pure lithium battery, the vehicle-mounted energy storage energy is improved by more than 5 times, the endurance mileage is effectively improved, however, due to the characteristics of the lithium battery, the risk of blind charging of the lithium battery is high, particularly, in a quick charging mode, a charger needs to acquire the characteristics of the lithium battery to control charging current and voltage to charge the lithium battery, and therefore the charger needs to establish a communication channel with the vehicle-mounted lithium battery.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the invention provides a power battery energy storage type tramcar charging device and a charging method thereof, which utilize a mode of matching a vehicle-mounted wireless AP and a ground signal position identification system to carry out data transmission of a power battery charging control system.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a power battery energy storage formula tram charging device, including the tram of utilizing the pantograph to get the electricity from the contact rail, a control system that charges for the energy supply, set up the on-vehicle energy storage management system in the tram and set up the ground signal machine in the platform, control system that charges comprises machine and machine controller that charges, the contact rail passes through the cable and is connected with the machine that charges, the ground signal machine sends current platform serial number to the tram through the OVC antenna, ground signal machine passes through RS485 bus connection with the machine controller that charges, the machine controller that charges passes through the switch and is connected with platform WIFI-AP equipment, machine controller and on-vehicle energy storage management system pass through WIFI wireless connection.
Furthermore, a main control system VCU and a signal system OBU with an OVC antenna are arranged in a middle compartment of the tramcar, vehicle-mounted energy storage management systems are arranged in head and tail end compartments of the tramcar, each vehicle-mounted energy storage management system comprises a BMS and a WIFI-AP, and the main control system VCU is connected with the vehicle-mounted energy storage management systems through an MVB bus.
The beneficial effects of the utility model are that, use industrial-grade WIFI-AP equipment, configure into point-to-point quick matching mode, start the communication connection when the vehicle is close to the charging station platform, the connection has been accomplished when the vehicle arrives at a station, on-vehicle signal system OBU has also accomplished essential data interaction through nearly ground radio frequency communication antenna OVC and ground signal machine, realize the real-time contactless transmission of data, OBU sends the platform serial number that obtains to on-vehicle VCU through vehicle MVB bus, realize charging vehicle's quick identification.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic diagram of charging according to the present invention.
In the figure, 1, a pantograph, 2, a contact rail, 3, a tramcar, 4, a charger, 5, a charger controller, 6, an exchanger, 7, a platform and 8, a ground signal machine are arranged.
Detailed Description
As shown in figure 1, the power battery energy storage type tramcar charging device comprises a tramcar 3 which utilizes a pantograph 1 to take electricity from a contact rail 2, a charging control system for supplying energy, a vehicle-mounted energy storage management system arranged in the tramcar 3 and a ground signal machine 8 arranged in a station platform 7, wherein the charging control system is composed of a charger 4 and a charger controller 5, the contact rail 2 is connected with the ground charger 4 through a cable, the ground signal machine 8 sends a current station platform number to the tramcar 3 through an OVC antenna, the ground signal machine 8 is connected with the charger controller 5 through an RS485 bus, the charger controller 5 is connected with station platform WIFI-AP equipment through an exchanger 6, the charger controller 5 is wirelessly connected with the vehicle-mounted energy storage management system through WIFI, and the pantograph 1 is an electric device for taking electric energy from the contact rail 2 by an electric traction vehicle, the intelligent management system is mounted on the top of a carriage, the OVC refers to a near-earth radio frequency communication antenna, WIFI-APs which are matched with each other are arranged on a charger controller 5 and a tramcar 3, the WIFI-APs refer to wireless devices for realizing point-to-point data communication, a main control system VCU and an OBU with the OVC antenna are arranged in the middle carriage of the tramcar 3, the OBU refers to a vehicle-mounted signal system unit, the VCU refers to a core electronic control unit for realizing the control logic of the whole vehicle, vehicle-mounted energy storage management systems are arranged in carriages at the head end and the tail end of the tramcar 3, each vehicle-mounted energy storage management system comprises a BMS and the WIFI-AP, the main control system VCU is connected with the vehicle-mounted energy storage management systems through an MVB bus, the BMS refers to a battery management system, and the MVB refers to a.
Using industrial-grade WIFI-AP equipment, configuring a point-to-point quick matching mode, starting communication connection when a vehicle approaches a charging station, and completing connection when the vehicle arrives at the station; meanwhile, in the process that the vehicle enters the station and stops, the OBU (on-board unit) completes basic data interaction with a ground signal machine through the near-earth radio frequency communication antenna OVC; and the OBU sends the obtained platform number to the vehicle-mounted VCU through a vehicle MVB bus.
When a driver selects to lift the bow, the VCU sends a bow lifting instruction and a platform number to a vehicle-mounted energy storage management system BMS through a vehicle MVB bus; the BMS packs the pantograph lifting command, the platform number and the related parameters of the power battery pack and sends the packaged parameters to the ground charger controller through the WIFI-AP; the charger controller 5 receives the data sent by the BMS, extracts the station number information from the data, compares the station number information with the station number sent by the ground signal controller 8, and when the station numbers are consistent, the charger controller 5 controls the charger to enter a pre-charging state; when the pantograph is lifted to the position and the vehicle finishes charging preparation work, the VCU sends the pantograph lifting to the position and the platform numbering signals to the BMS again; the BMS sends a charging request instruction to the charger controller 5 through the WIFI-AP; the charger controller 5 receives the instruction and starts charging after detecting the voltage fed back by the pantograph 1; the BMS sends the parameters of the power battery to the charger controller 5 in real time through the WIFI-AP; when the driver selects the bow reduction, the VCU firstly sends a charging stop instruction to the BMS; the BMS sends a charging stopping instruction to the controller of the charger 4 preferentially through the WIFI-AP; the charger controller 5 immediately stops charging of the ground charger 4 after receiving the charging stop instruction; after the charging is completely stopped, the charger controller 5 sends a charging stop feedback signal to the BMS through the WIFI-AP; the BMS sends a charging stop feedback signal to the VCU through a vehicle MVB bus; and the VCU executes the pantograph reducing instruction after acquiring the charging stop feedback signal. The problem of real-time transmission of a large amount of data during lithium battery charging is solved by using the WIF-AP technology; considering the situation that the vehicles going up and down simultaneously enter the station, because the wireless transmission is not directional, the charging system obtains the number information of the current station platform from the signal system to help the charging control system to distinguish the corresponding vehicles, and the difficult problem of the identification of the charging vehicles is solved.
The foregoing description is intended to be illustrative rather than limiting, and it will be appreciated by those skilled in the art that many modifications, variations or equivalents may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (8)
1. The utility model provides a power battery energy storage formula tram charging device, characterized by, including utilizing tram (3) that pantograph (1) got the electricity from contact rail (2), a control system that charges for the energy supply, set up on-vehicle energy storage management system in tram (3) and set up ground signal computer (8) in platform (7), ground signal computer (8) send current platform serial number to tram (3) through the OVC antenna, ground signal computer (8) pass through RS485 bus connection with the control system that charges, the control system that charges passes through switch (6) and is connected with WIFI platform-AP equipment, control system that charges and on-vehicle energy storage management system pass through WIFI wireless connection.
2. A power battery energy storage type tram charging device according to claim 1, characterized in that the charging control system is composed of a charger (4) and a charger controller (5).
3. A power battery energy storage type tram charging device according to claim 2, characterized in that the charger (4) is connected with the contact rail (2) through a cable.
4. The power battery energy storage type tram charging device according to claim 2, wherein the charger controller (5) is connected with a ground signal (8) through an RS485 bus.
5. The power battery energy storage type tramcar charging device according to claim 2, wherein the charger controller (5) is connected with a station WIFI-AP device through an exchanger (6).
6. A power battery energy storage type tramcar charging device according to claim 1, characterized in that a main control system VCU and a signal system OBU with OVC antenna are arranged in the middle compartment of the tramcar (3).
7. A power battery energy storage type tram charging device according to claim 1, characterized in that a vehicle-mounted energy storage management system is arranged in each of the two compartments of the tram (3).
8. The power battery energy storage type tramcar charging device according to claim 7, wherein the vehicle-mounted energy storage management system comprises a BMS and a WIFI-AP, and the main control system VCU is connected with the vehicle-mounted energy storage management system through an MVB bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921461729.3U CN210502289U (en) | 2019-09-04 | 2019-09-04 | Power battery energy storage type tramcar charging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921461729.3U CN210502289U (en) | 2019-09-04 | 2019-09-04 | Power battery energy storage type tramcar charging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210502289U true CN210502289U (en) | 2020-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921461729.3U Expired - Fee Related CN210502289U (en) | 2019-09-04 | 2019-09-04 | Power battery energy storage type tramcar charging device |
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| CN (1) | CN210502289U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110435433A (en) * | 2019-09-04 | 2019-11-12 | 中车戚墅堰机车有限公司 | A kind of power battery energy storage type tramcar charging system and its charging method |
| CN113060172A (en) * | 2021-03-10 | 2021-07-02 | 交控科技股份有限公司 | Air conditioning system of wisdom train high pressure energy storage formula power supply |
| US20230406147A1 (en) * | 2022-05-18 | 2023-12-21 | Ford Global Technologies, Llc | Bidirectional electric vehicle charging system |
| WO2024027462A1 (en) * | 2022-08-04 | 2024-02-08 | 中车资阳机车有限公司 | Pantograph type charging system for locomotive power battery |
-
2019
- 2019-09-04 CN CN201921461729.3U patent/CN210502289U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110435433A (en) * | 2019-09-04 | 2019-11-12 | 中车戚墅堰机车有限公司 | A kind of power battery energy storage type tramcar charging system and its charging method |
| CN110435433B (en) * | 2019-09-04 | 2024-08-20 | 中车戚墅堰机车有限公司 | Power battery energy storage type tramcar charging system and charging method thereof |
| CN113060172A (en) * | 2021-03-10 | 2021-07-02 | 交控科技股份有限公司 | Air conditioning system of wisdom train high pressure energy storage formula power supply |
| US20230406147A1 (en) * | 2022-05-18 | 2023-12-21 | Ford Global Technologies, Llc | Bidirectional electric vehicle charging system |
| US12508939B2 (en) * | 2022-05-18 | 2025-12-30 | Ford Global Technologies, Llc | Bidirectional electric vehicle charging system |
| WO2024027462A1 (en) * | 2022-08-04 | 2024-02-08 | 中车资阳机车有限公司 | Pantograph type charging system for locomotive power battery |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200512 |
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| CF01 | Termination of patent right due to non-payment of annual fee |