CN212258524U - UPS power supply system of mobile energy storage vehicle - Google Patents

UPS power supply system of mobile energy storage vehicle Download PDF

Info

Publication number
CN212258524U
CN212258524U CN202021048449.2U CN202021048449U CN212258524U CN 212258524 U CN212258524 U CN 212258524U CN 202021048449 U CN202021048449 U CN 202021048449U CN 212258524 U CN212258524 U CN 212258524U
Authority
CN
China
Prior art keywords
converter
energy storage
power supply
ups
battery pack
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202021048449.2U
Other languages
Chinese (zh)
Inventor
蔡安慰
胡家仕
郑宣清
张鹏
张劢
魏佳骏
杨尚勇
赵银福
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujian Super Power New Energy Co ltd
Original Assignee
Fujian Super Power New Energy Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujian Super Power New Energy Co ltd filed Critical Fujian Super Power New Energy Co ltd
Priority to CN202021048449.2U priority Critical patent/CN212258524U/en
Application granted granted Critical
Publication of CN212258524U publication Critical patent/CN212258524U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/72—Electric energy management in electromobility
    • 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

  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The utility model discloses a UPS power supply system of mobile energy storage car, including the group battery, the output of group battery passes through the input of circuit breaker connection DC/AC converter, and the output of DC/AC converter connects UPS uninterrupted power source's input, alternating current load and AC/DC converter's alternating current end respectively, and direct current load, BMS battery management system and UPS uninterrupted power source's output are connected to the direct current end of AC/DC converter, and AC/DC converter is bidirectional converter; the BMS battery management system is used for monitoring the current, voltage, temperature and other information of the battery pack, and when the BMS battery management system judges that the voltage of the battery pack is lower than a set value, the circuit breaker is controlled to be disconnected. The utility model discloses a group battery and UPS uninterrupted power source realize continuously supplying power to supplementary electrical equipment in the car, even if under the no external power supply condition, satisfy the power consumption demand, improved the reliability of supplementary electrical equipment operation greatly, guarantee the operating stability who removes the energy storage car.

Description

UPS power supply system of mobile energy storage vehicle
Technical Field
The utility model belongs to the technical field of the power supply unit and specifically relates to a UPS power supply system of mobile energy storage car.
Background
With the progress of new energy science and technology, the electric automobile is expected to gradually replace a fuel oil automobile to become a main force army in the automobile market. The 'Shenzhen city pure electric mudhead vehicle popularization and use implementation scheme' shows that the reserve capacity of pure electric engineering vehicles which are put into operation in the whole city at the end of 2019 strives to reach 3000, which approximately accounts for total 1/4 of engineering vehicles, but as charging stations are relatively fixed, the engineering vehicles are transferred along with construction sites, and the electricity supplementing difficult problems that the charging distance is long, the retracing work efficiency is low, the electricity supplementing is fixed in the charging period, the queuing is needed, the ground charging pile power is low, the charging speed is low, and the like are often encountered. The existing charging facility is difficult to meet the charging requirement of the engineering truck, so that the mobile energy storage truck can be transported as required, and emergency power supply can be realized for the engineering truck. The mobile energy storage vehicle has high flexibility, can provide reliable and convenient real-time electricity supplementing service for the electric vehicle, and has huge market prospect as an important charging supplementing mode.
Chinese patent CN207719855U discloses a charging and storing integrated mobile electricity supplementing car system, which comprises a first switch, a second switch, a third switch, a fourth switch, an energy storing component, a vehicle-mounted energy storing bidirectional converter and a DC/DC conversion circuit, wherein the energy storing component is electrically connected with the DC/DC conversion circuit through the fourth switch, the DC/DC conversion circuit is electrically connected with a direct current load, the energy storing component is also electrically connected with the direct current side of the vehicle-mounted energy storing bidirectional converter through the third switch, the alternating current side of the vehicle-mounted energy storing bidirectional converter is connected with a power grid through the first switch, and the alternating current side of the vehicle-mounted energy storing bidirectional converter is also connected with the alternating current load through the second switch. However, the mobile electricity supplementing vehicle is a vehicle-mounted mobile power station designed for coping with power supply of an electric engineering vehicle, various emergencies or working sites and the like, so that the requirement on the operation stability of auxiliary electrical equipment in the vehicle is high. When the group battery insufficient voltage and fail in time to insert the commercial power or fill electric pile, the auxiliary electrical equipment as direct current load or alternating current load does not have mains operated, and the power consumption demand can't satisfy for auxiliary electrical equipment can't maintain normal operating, and key equipment wherein can't accomplish from black start-up, leads to removing the benefit trolley-bus easily and drops or important data loses, influences the operating stability who removes the energy storage car, influences the safe operation of system even, causes huge economic loss.
SUMMERY OF THE UTILITY MODEL
The utility model provides a UPS power supply system of removal energy storage car rational in infrastructure to the current unstable problem of operation that exists of above-mentioned removal energy storage car, provides a UPS power supply system of removal energy storage car rational in infrastructure, supplies power for the load through UPS uninterrupted power source when the group battery is insufficient voltage, guarantees the normal operation of interior auxiliary electrical equipment of car, the removal energy storage car can normally travel and start to guarantee the operating stability who removes the energy storage car.
The utility model discloses the technical scheme who adopts as follows:
the UPS power supply system of the mobile energy storage vehicle comprises a battery pack, wherein the output end of the battery pack is connected with the input end of a DC/AC converter through a circuit breaker, the output end of the DC/AC converter is respectively connected with the input end of a UPS uninterrupted power supply, an alternating current load and the alternating current end of the AC/DC converter, the direct current end of the AC/DC converter is connected with the direct current load, a BMS battery management system and the output end of the UPS uninterrupted power supply, and the AC/DC converter is a bidirectional converter; the BMS battery management system is used for monitoring information such as current, voltage and temperature of the battery pack, and when the BMS battery management system judges that the voltage of the battery pack is lower than a set value, the circuit breaker is controlled to be disconnected, and the UPS is used for supplying power to the direct current load and the alternating current load.
As a further improvement of the above technical solution:
the UPS outputs direct current.
The battery pack is connected with the charging pile and the PCS energy storage and conversion unit, and the PCS energy storage and conversion unit is connected with the commercial power.
The PCS energy storage and conversion unit comprises a PCS energy storage converter and an isolation transformer which are connected in series, and the PCS energy storage converter is a bidirectional converter.
The PCS energy storage and conversion unit is a PCS energy storage converter with an isolation transformer.
The output end of the battery pack is connected with a discharging interface through a DC/DC converter, and the discharging interface is a charging gun.
The utility model has the advantages as follows:
(1) the utility model discloses a BMS battery management system can monitor information such as electric current, voltage, temperature of group battery, when BMS battery management system judges that the voltage of group battery is on the low side, when insufficient voltage operation, the disconnection of control circuit breaker makes the group battery and AC load, direct current load and the connection disconnection of UPS uninterrupted power source, changes into and is supplied power to direct current load, AC load by UPS uninterrupted power source, prevents effectively that the group battery from continuing insufficient voltage operation, prolongs the life of group battery;
(2) the utility model discloses a circuit breaker is closed, and when the group battery normally supplied power, UPS uninterrupted power source's inside battery charges, and when the group battery was disconnected, UPS uninterrupted power source's inside battery discharged, can directly provide the direct current, also can provide the alternating current through the AC/DC converter, can satisfy the distribution demand of different equipment;
(3) the utility model discloses a group battery and UPS uninterrupted power source realize continuously supplying power to supplementary electrical equipment in the car, even if under the no external power supply condition, satisfy the power consumption demand, improved the reliability of supplementary electrical equipment operation greatly, guarantee the operating stability who removes the energy storage car.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. a battery pack; 2. a BMS battery management system; 3. a direct current load; 4. an AC/DC converter; 5. an alternating current load; 6. a UPS (uninterrupted power supply); 7. a DC/AC converter; 8. a circuit breaker; 9. a PCS energy storage current transformation unit; 10. charging piles; 11. commercial power; 12. a discharge interface; 13. a DC/DC converter.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1, UPS power supply system of mobile energy storage car, including group battery 1, group battery 1 connects and fills electric pile 10, PCS energy storage converter unit 9, commercial power 11 is connected to PCS energy storage converter unit 9, the input of DC/AC converter 7 is connected through circuit breaker 8 to the output of group battery 1, UPS uninterrupted power source 6's input is connected respectively to DC/AC converter 7's output, alternating current load 5 and AC/DC converter 4's alternating current end, direct current load 3 is connected to AC/DC converter 4's direct current end, BMS battery management system 2 and UPS uninterrupted power source 6's output. The BMS battery management system 2 can monitor information such as current, voltage and temperature of the battery pack 1, when the BMS battery management system 2 judges that the voltage of the battery pack 1 is lower than a set value and runs in a power shortage state, the circuit breaker 8 is controlled to be disconnected, so that the battery pack 1 is disconnected from the alternating current load 5, the direct current load 3 and the UPS (uninterrupted power supply) 6 and is converted into power supply for the direct current load 3 and the alternating current load 5 by the UPS uninterrupted power supply 6, continuous power supply for auxiliary electrical equipment in the vehicle is realized, even under the condition of no external power supply, the power utilization requirement is met, the running reliability of the auxiliary electrical equipment is greatly improved, and the running stability of the mobile energy; at this moment, the internal battery of the UPS 6 discharges, direct current can be directly provided, alternating current can also be provided through the AC/DC converter 4, the power distribution requirements of different devices can be met, meanwhile, the battery pack 1 is effectively prevented from running due to insufficient voltage, and the service life of the battery pack 1 is prolonged.
The AC/DC converter 4 is a bidirectional converter. The output of the UPS uninterruptible power supply 6 is dc power. The PCS energy storage converter unit 9 includes a PCS energy storage converter and an isolation transformer connected in series, or a PCS energy storage converter with an isolation transformer, where the PCS energy storage converter is a bidirectional converter. The output end of the battery pack 1 is connected with a discharging interface 12 through a DC/DC converter 13, the discharging interface 12 is a 160KW charging gun and is used for connecting an electric automobile or an electric engineering vehicle and the like, high-voltage direct current of the battery pack is converted into lower direct current through the DC/DC converter 13, and then the external electric automobile or the electric engineering vehicle and the like are charged through the charging gun.
The working principle of the utility model is as follows:
1. when the UPS starts to work, the UPS 6 serves as a starting power supply to supply power to the direct current load 3 and the alternating current load 5;
2. when external electric quantity is input, the commercial power 11 is converted into direct current through the PCS energy storage and conversion unit 9 to charge the battery pack 1; or the direct current charging pile 10 directly charges the battery pack 1; meanwhile, the BMS battery management system 2 controls the circuit breaker 8 to be closed, the high-voltage direct current of the battery pack 1 is converted into 220V alternating current through the DC/AC converter 7 to supply power for the alternating current load 5 and the UPS uninterrupted power supply 6, the alternating current is converted into direct current through the AC/DC converter 4 to supply power for the direct current load 3, and at the moment, the internal battery of the UPS uninterrupted power supply 6 is charged;
3. when no input is provided from the outside and the voltage of the battery pack 1 is normal, the breaker 8 is closed, the high-voltage direct current of the battery pack 1 is converted into 220V alternating current through the DC/AC converter 7, and the alternating current is used for supplying power to the alternating current load 5 and the UPS 6 in the vehicle; the alternating current is converted into direct current through the AC/DC converter 4 to supply power for the direct current load 3, and an internal battery of the UPS 6 is charged;
4. when no input is made from the outside and the voltage of the battery pack 1 is lower than a set value, the BMS battery management system 2 judges that the battery pack 1 is in a power shortage state, the BMS battery management system 2 controls the breaker 8 to be disconnected, the internal battery of the UPS uninterruptible power supply 6 discharges, and the UPS uninterruptible power supply 6 directly supplies power to the direct current load 3 and converts the power to alternating current through the AC/DC converter 4 to supply power to the alternating current load 5.
The above description is illustrative of the present invention and is not intended to limit the present invention, and the present invention may be modified in any manner without departing from the spirit of the present invention.

Claims (6)

1. The utility model provides a UPS power supply system of mobile energy storage car which characterized in that: the battery pack comprises a battery pack (1), wherein the output end of the battery pack (1) is connected with the input end of a DC/AC converter (7) through a circuit breaker (8), the output end of the DC/AC converter (7) is respectively connected with the input end of a UPS (uninterrupted power supply) (6), an Alternating Current (AC) load (5) and the alternating current (AC/DC) end of the AC/DC converter (4), the direct current end of the AC/DC converter (4) is connected with the output ends of a direct current load (3), a BMS battery management system (2) and the UPS (uninterrupted power supply) (6), and the AC/DC converter (4) is a bidirectional converter; the BMS battery management system (2) is used for monitoring the current, voltage and temperature information of the battery pack (1), and when the BMS battery management system (2) judges that the voltage of the battery pack (1) is lower than a set value, the circuit breaker (8) is controlled to be disconnected.
2. The UPS power supply system of the mobile energy storage vehicle of claim 1, wherein: the UPS (6) outputs direct current.
3. The UPS power supply system of the mobile energy storage vehicle of claim 1, wherein: the battery pack (1) is connected with the charging pile (10) and the PCS energy storage and conversion unit (9), and the PCS energy storage and conversion unit (9) is connected with the mains supply (11).
4. The UPS power supply system of the mobile energy storage vehicle of claim 3, wherein: the PCS energy storage and conversion unit (9) comprises a PCS energy storage converter and an isolation transformer which are connected in series, and the PCS energy storage converter is a bidirectional converter.
5. The UPS power supply system of the mobile energy storage vehicle of claim 3, wherein: the PCS energy storage and conversion unit (9) is a PCS energy storage converter with an isolation transformer.
6. The UPS power supply system of the mobile energy storage vehicle of claim 1, wherein: the output end of the battery pack (1) is connected with a discharging interface (12) through a DC/DC converter (13), and the discharging interface (12) is a charging gun.
CN202021048449.2U 2020-06-09 2020-06-09 UPS power supply system of mobile energy storage vehicle Active CN212258524U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021048449.2U CN212258524U (en) 2020-06-09 2020-06-09 UPS power supply system of mobile energy storage vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021048449.2U CN212258524U (en) 2020-06-09 2020-06-09 UPS power supply system of mobile energy storage vehicle

Publications (1)

Publication Number Publication Date
CN212258524U true CN212258524U (en) 2020-12-29

Family

ID=73988079

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021048449.2U Active CN212258524U (en) 2020-06-09 2020-06-09 UPS power supply system of mobile energy storage vehicle

Country Status (1)

Country Link
CN (1) CN212258524U (en)

Similar Documents

Publication Publication Date Title
CN108162989B (en) Traction-assisted integrated vehicle-mounted energy storage system for urban rail transit vehicle
CN107571817B (en) Vehicle-mounted composite power supply system
CN108407625B (en) Bidirectional charging and discharging system for new energy automobile
CN102083665B (en) Power storage device for hybrid or electric motor vehicles, and associated electric power management method thereof
KR20120012659A (en) Electric vehicles and method for battery charging control thereof
CN111711237A (en) Mobile energy storage vehicle
CN110497808A (en) A kind of charging system for electric automobile and charging method with a variety of charge modes
CN111532291B (en) Non-network self-walking two-way output storage battery and two-way charger system for rail transit
CN110116638A (en) Shield battery truck hybrid power power supply based on lead-acid battery and super capacitor
CN201830015U (en) Vehicle-mounted power voltage monitoring and standby battery charge-discharge control device
CN111660878B (en) Braking energy recovery and emergency traction energy storage system, power supply system and control method
CN212400926U (en) Multi-power-source engineering machinery energy management system
CN212500083U (en) Power distribution system for mobile energy storage vehicle
CN212258524U (en) UPS power supply system of mobile energy storage vehicle
CN115946547A (en) Hybrid power system based on carbon-based capacitor battery and control method
CN216672609U (en) Capacity-increasing type mobile energy storage system
CN213007648U (en) Topological structure of hydrogen energy power generation equipment
CN212649118U (en) Mobile energy storage vehicle
CN201504220U (en) Elevator power conservation device using super capacitor
CN212605086U (en) Non-net self-walking storage battery and auxiliary converter system for rail transit
CN209844611U (en) Battery charging and discharging equipment
CN203589818U (en) Uninterrupted power supply system for operation of smart vehicle-mounted substation
CN113479104A (en) Intelligent charging multilayer safety protection system
CN202260579U (en) Charging device for a hybrid power vehicle
CN216819407U (en) New energy power generation vehicle

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant