CN108995551B - Storage battery emergency charging circuit for motor car - Google Patents
Storage battery emergency charging circuit for motor car Download PDFInfo
- Publication number
- CN108995551B CN108995551B CN201810813698.7A CN201810813698A CN108995551B CN 108995551 B CN108995551 B CN 108995551B CN 201810813698 A CN201810813698 A CN 201810813698A CN 108995551 B CN108995551 B CN 108995551B
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- Prior art keywords
- contactor
- storage battery
- power supply
- emergency
- port
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- 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
- B60L2200/00—Type of vehicles
- B60L2200/26—Rail 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
- 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
- Y02T90/14—Plug-in electric vehicles
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses an emergency charging circuit for a storage battery for a bullet train, and belongs to the technical field of rail transit. When the storage battery of the motor train unit is over-discharged, the storage battery with serious feed is charged by means of the vehicle-mounted charger of the motor train unit, the emergency starting switch is closed, the general power supply supplies power to the coil of the contactor through a power supply loop formed by the anti-reverse diode and the closed emergency switch, the feedback contact is closed after the contactor is electrified, the charger controller controls the vehicle-mounted charger to output high-power direct-current voltage to start charging the storage battery, the emergency starting switch is disconnected after the storage battery is fully charged, the power supply loop of the general power supply is cut off, and the emergency charging process is ended. According to the invention, the emergency starting power supply circuit is designed and added in the existing converter of the bullet train, only one contactor is used, and the vehicle-mounted charger charges the storage battery under the condition of not using external special charging equipment, so that the circuit structure is simple, the operation is convenient, and the maintenance cost and time are saved.
Description
Technical Field
The invention relates to the technical field of rail transit, in particular to an emergency charging circuit for a storage battery for a bullet train.
Background
When the motor train unit normally rises to operate the pantograph, the vehicle-mounted charger equipment supplies power to the whole vehicle direct current equipment and charges the vehicle-mounted storage battery. Under the condition that the motor train unit does not rise, the vehicle-mounted charger cannot work without an input power supply, and the electric energy stored by the storage battery supplies power to the direct current load of the whole motor train unit. However, if an emergency situation that the power supply stored in the storage battery is serious or exhausted occurs, the storage battery must be charged, otherwise the whole vehicle equipment cannot work normally. Most of the existing methods use special charging equipment to charge a storage battery from the outside, and the charging equipment is removed after charging is completed. This not only increases the cost of the maintenance equipment and the complexity of the operation, but also causes a situation that the charging is difficult to complete in a short time in some situations where the external dedicated charging equipment cannot be used (for example, when a station without dedicated equipment stops for a long time), and affects the normal operation of the motor train.
CN105529796A discloses a battery charging circuit and an in-warehouse auxiliary machine testing device, wherein when the battery is over-discharged, a power conversion module of the in-warehouse auxiliary machine testing device receives the ac power of an in-warehouse socket through a closed first circuit breaker, and charges the battery through a battery charger of the in-warehouse auxiliary machine testing device. To the storage battery charging problem of electric locomotive, adopt the mode of combining such as power conversion module, circuit breaker and a plurality of contactors, the charging structure is comparatively complicated.
Disclosure of Invention
The invention provides an emergency charging circuit for a storage battery for a bullet train, aiming at the problems in the prior art, the emergency charging circuit is used for charging the storage battery with serious feed by means of a bullet train vehicle-mounted charger, has a simple circuit design structure, and can realize the charging of the bullet train storage battery under the condition that no special charging equipment is provided.
In order to solve the technical problems, the invention provides the following technical scheme:
an emergency charging circuit for a storage battery for a bullet train comprises a universal direct-current power supply, a charger controller, a vehicle-mounted charger and the storage battery; the method is characterized in that: it also has anti-reverse diode, emergency starting switch, direct current contactor; the anode of the anti-reverse diode is connected with the output anode of the universal direct-current power supply, and the cathode of the anti-reverse diode is connected with the emergency starting switch; and the direct current contactor is respectively connected with the emergency starting switch and the charger controller.
Preferably, the direct current contactor comprises contactor coils A1, A2 and a contactor feedback contact; contactor coil A2 is connected with general DC power supply output negative pole, and coil A1 is connected with emergent starting switch, contactor coil A1, A2 connect the positive negative pole of charger controller power input port respectively.
Preferably, the charger controller further comprises a detection port and a signal control port, the detection port is connected with the contactor feedback contact, and the signal control port is connected with the vehicle-mounted charger.
Preferably, the vehicle-mounted charger comprises a 380VAC input power supply interface, a control signal receiving port and a charging output port, the input power supply interface is connected with the 380VAC input interface of the universal direct-current power supply, the control signal receiving port is connected with a signal control port of the charger controller, and the charging output port is connected with the storage battery.
Preferably, the contactor feedback contact is arranged on the contactor, is connected with a detection port of a charger controller through a cable, and is used for transmitting a feedback signal to the charger controller, detecting the charging state and feeding back the function of the charging state, and after a coil of the contactor is electrified, the contactor is closed, and the contactor feedback contact is closed.
Preferably, the anti-reverse diode is used for controlling current to flow from the universal direct-current power supply to the contactor and the charger controller.
Preferably, a signal control port of the charger controller is connected to a control signal receiving port of the vehicle-mounted charger through a signal line, and is used for controlling the high-power direct-current voltage output by the vehicle-mounted charger.
Preferably, after the storage battery is fully charged, the emergency starting switch is disconnected, the power supply loop of the general direct-current power supply is cut off, and the charging process is ended.
Compared with the prior art, the invention has the advantages and positive effects that:
the emergency charging circuit for the storage battery is applied to the field of charging of motor train units, only one contactor is used, the storage battery is charged by using a vehicle-mounted charger under the condition of not using external special charging equipment, the circuit structure is simple, and the maintenance cost and time are greatly saved in the aspect of operation.
(1) The universal direct-current power supply provides a necessary power supply for the charger controller, the vehicle-mounted charger is started, and the storage battery with serious feed is charged.
(2) The circuit of the power supply loop is ensured through the contactor and the feedback contact, the state of the contactor can be detected and fed back, and the function of detecting whether to carry out charging state and feeding back is achieved.
(3) Through an emergency starting switch, the emergency starting power supply has the function of starting and stopping the output of the emergency starting power supply at any time, and a driver can conveniently control the charging process.
(4) The reverse diode is arranged, so that electric energy can only flow to the load contactor and the charger controller from the output port of the universal direct-current power supply, reverse application of the electric energy cannot be caused, and the universal direct-current power supply protection device has the function of protecting the universal direct-current power supply.
Drawings
Fig. 1 is a circuit diagram of an emergency charging circuit for a storage battery for a motor car.
Wherein: 1 universal direct-current power supply, 2 anti-reverse diode, 3 emergency starting switch, 4 contactor, K4 contactor coil, 41 contactor feedback contact, 5 charger controller, 6 vehicle-mounted charger and 7 storage battery
Detailed Description
Hereinafter, embodiments of the present invention will be further described with reference to the accompanying drawings.
The invention provides an emergency charging circuit for a storage battery of a bullet train, which is applied to emergency power supply of the bullet train, the storage battery is charged by using a vehicle-mounted charger of the bullet train under the condition of not using external special charging equipment, the circuit structure is simple, and the maintenance cost and time are greatly saved in the aspect of operation.
The emergency charging circuit structure of the storage battery for the bullet train is shown in figure 1 and comprises a universal direct-current power supply 1, a charger controller 5, a vehicle-mounted charger 6 and a storage battery 7; it also has anti-reverse diode 2, emergency starting switch 3, direct current contactor 4; the anode of the anti-reverse diode 2 is connected with the output anode of the universal direct current power supply 1, and the cathode of the anti-reverse diode is connected with the emergency starting switch 3; and the direct current contactor 4 is respectively connected with the emergency starting switch 3 and the charger controller 5.
The direct current contactor 4 comprises a contactor coil K4 and a contactor feedback contact 41; contactor coil A2 is connected with general DC power supply 1 output negative pole, and coil A1 is connected with emergent starting switch 3, contactor coil A1, A2 connect the positive negative pole of charger controller power input port respectively.
The charger controller 5 further comprises a detection port and a signal control port, the detection port is connected with the contactor feedback contact 41, and the signal control port is connected with the vehicle-mounted charger 6.
The vehicle-mounted charger 6 comprises a 380VAC input power supply interface, a control signal receiving port and a charging output port, the input power supply interface is connected with the 380VAC input interface of the universal direct-current power supply 1, the control signal receiving port is connected with a signal control port of the charger controller 5, and the charging output port is connected with the storage battery 7.
The specific working principle is as follows:
when the storage battery 7 of the bullet train is over-discharged, firstly, the emergency starting switch 3 is closed, then the universal direct current power supply converts the 380VAC alternating current into direct current, the direct current is output to the contactor 4 through a power supply loop formed by the anti-reverse diode 2 and the closed emergency starting switch 3, power is supplied to a contactor coil K4, the contactor 4 is normally closed, a contactor feedback contact 41 is closed, the charger controller 5 normally works, and the vehicle-mounted charger 6 outputs high-power direct current voltage to start charging the storage battery 7; and when the storage battery 7 is fully charged, the emergency starting switch 3 is switched off, the charging process is ended, and the emergency starting charging function is completed.
According to the emergency charging circuit for the storage battery for the bullet train, the universal direct-current power supply 1 only needs to supply power to the contactor coil K4 and the charger controller 5, and the required power is low; the anti-reverse diode 2 is used for controlling current to flow from the output end of the general direct current power supply 1 to the contactor 4 and the charger controller 5, so that electric energy cannot be applied reversely, and the general direct current power supply is protected.
The contactor feedback contact 41 is arranged on the contactor 4, is connected with the charger controller 5 through a cable, and is used for transmitting a feedback signal to the charger controller 5, detecting the charging state and feeding back the function of the charging state, when a coil of the contactor is electrified, the contactor 4 is closed, the contactor feedback contact 41 is closed, and 1 is output to be in the charging state; otherwise, the contactor 4 is disconnected, the contactor feedback contact 41 is disconnected, and 0 is output, namely the non-charging state. And a signal control port of the charger controller 5 is connected to a control signal receiving port of the vehicle-mounted charger 6 through a signal line and is used for controlling the high-power direct-current voltage output by the vehicle-mounted charger.
And after the storage battery 7 is fully charged, the emergency starting switch 3 is switched off, the power supply loop of the universal direct current power supply 1 is cut off, and the charging process is finished.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.
Claims (5)
1. An emergency charging circuit for a storage battery for a bullet train comprises a universal direct-current power supply, a charger controller, a vehicle-mounted charger and the storage battery; the method is characterized in that: it also has anti-reverse diode, emergency starting switch, direct current contactor;
the anode of the anti-reverse diode is connected with the output anode of the universal direct-current power supply, and the cathode of the anti-reverse diode is connected with the emergency starting switch;
the direct current contactor comprises contactor coils A1 and A2 and a contactor feedback contact; the contactor coil A2 is connected with the output negative electrode of the universal direct-current power supply, and the coil A1 is connected with the emergency starting switch; the contactor coils A1 and A2 are respectively connected with the positive electrode and the negative electrode of a power supply input port of the charger controller;
the charger controller also comprises a detection port and a signal control port, the detection port is connected with the feedback contact of the contactor, and the signal control port is connected with the vehicle-mounted charger;
the vehicle-mounted charger comprises a 380VAC input power supply interface, a control signal receiving port and a charging output port, wherein the input power supply interface is connected with the 380VAC input interface of the universal direct-current power supply, the control signal receiving port is connected with a signal control port of the charger controller, and the charging output port is connected with the storage battery.
2. The emergency charging circuit for the storage battery of the bullet train according to claim 1, wherein the feedback contact of the contactor is arranged on the contactor, is connected with the detection port of the charger controller through a cable, and is used for transmitting a feedback signal to the charger controller, detecting the charging state and feeding back the function of the charging state, and after the coil of the contactor is electrified, the contactor is closed, and the feedback contact of the contactor is closed.
3. The emergency charging circuit for a storage battery of a motor vehicle according to claim 1, wherein the anti-reverse diode is used for controlling current to flow from the general direct current power supply to the contactor and the charger controller.
4. The emergency charging circuit for the storage battery of the bullet train as claimed in claim 1, wherein the signal control port of the charger controller is connected to the control signal receiving port of the vehicle-mounted charger through a signal line, and is used for controlling the high-power direct-current voltage output by the vehicle-mounted charger.
5. The emergency charging circuit for a storage battery for a motor vehicle according to claim 1, wherein: and after the storage battery is fully charged, the emergency starting switch is switched off, a power supply loop of the universal direct-current power supply is cut off, and the charging process is ended.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810813698.7A CN108995551B (en) | 2018-07-23 | 2018-07-23 | Storage battery emergency charging circuit for motor car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810813698.7A CN108995551B (en) | 2018-07-23 | 2018-07-23 | Storage battery emergency charging circuit for motor car |
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| Publication Number | Publication Date |
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| CN108995551A CN108995551A (en) | 2018-12-14 |
| CN108995551B true CN108995551B (en) | 2020-07-03 |
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| CN201810813698.7A Active CN108995551B (en) | 2018-07-23 | 2018-07-23 | Storage battery emergency charging circuit for motor car |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109703374B (en) * | 2019-01-18 | 2020-07-28 | 中车青岛四方机车车辆股份有限公司 | Train emergency starting circuit, starting system and starting method |
| CN117246178A (en) * | 2019-12-13 | 2023-12-19 | 山东电工电气集团新能科技有限公司 | DC charging pile power distribution one-in four-out switch module device and control method |
| CN111781509A (en) * | 2020-07-31 | 2020-10-16 | 中车青岛四方机车车辆股份有限公司 | Train storage battery electric quantity estimation method and related equipment |
| CN113085911A (en) * | 2021-04-06 | 2021-07-09 | 中车株洲电力机车有限公司 | Power-concentrated electric vehicle group and power supply control method thereof |
| CN118024958A (en) * | 2024-03-18 | 2024-05-14 | 阿维塔科技(重庆)有限公司 | AC charging circuit, method, storage medium, and program product |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07274309A (en) * | 1994-03-28 | 1995-10-20 | Toyota Autom Loom Works Ltd | Safety unit for charging vehicle mounted battery |
| JP5562195B2 (en) * | 2010-09-29 | 2014-07-30 | 株式会社日立製作所 | Charge control device |
| CN103587484B (en) * | 2013-11-29 | 2015-10-07 | 重庆长安汽车股份有限公司 | A kind of electrical vehicle charging connection device |
| CN206517079U (en) * | 2016-11-04 | 2017-09-22 | 王奉瑾 | A kind of DC power control type charging equipment |
| CN207368684U (en) * | 2017-07-26 | 2018-05-15 | 深圳市沃特玛电池有限公司 | A kind of quick charge control circuit |
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