CN112769174A - Auxiliary power supply for off-board charging motor and method thereof - Google Patents
Auxiliary power supply for off-board charging motor and method thereof Download PDFInfo
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- CN112769174A CN112769174A CN202011580510.2A CN202011580510A CN112769174A CN 112769174 A CN112769174 A CN 112769174A CN 202011580510 A CN202011580510 A CN 202011580510A CN 112769174 A CN112769174 A CN 112769174A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/00047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with provisions for charging different types of batteries
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
- H02J7/00045—Authentication, i.e. circuits for checking compatibility between one component, e.g. a battery or a battery charger, and another component, e.g. a power source
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
- H02J7/007182—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery voltage
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J2207/40—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries adapted for charging from various sources, e.g. AC, DC or multivoltage
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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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
-
- 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
Abstract
The utility model provides an auxiliary power supply for off-board charging motor and method thereof, including 12V 24V double voltage switching auxiliary power supply module, auxiliary power supply relay, total control module and collection control panel, wherein, 12V 24V double voltage switching auxiliary power supply module's 12V power and 24V power are connected to the different output terminal of auxiliary power supply relay respectively, the collection control panel gathers 12V 24V double voltage switching auxiliary power supply module's output voltage and auxiliary power supply relay's control signal, transmits it to the total control module of machine that charges through the CAN bus, CAN avoid burning out BMS's condition emergence because of user's improper operation, also CAN satisfy multiple vehicle and charge.
Description
Technical Field
The disclosure belongs to the technical field of charging power supplies, and particularly relates to an auxiliary power supply for a non-vehicle charger and a method thereof.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
Charging piles are divided into a direct current mode and an alternating current mode, an auxiliary power supply module for supplying power to a vehicle BMS is arranged in the direct current pile, the types of the auxiliary power supply which is commonly used at present are 24V (mainly serving buses) and 12V (mainly serving small vehicles), and for the selection/switching of the types of the auxiliary power supplies with the two amplitudes, the conventional solutions are two types according to the understanding of the inventor: 1. the direct current fills electric pile and provides two kinds of auxiliary power supply, and the user is autonomic through manual switching 12V and 24V auxiliary power supply module, and the risk point lies in that the improper condition that causes the BMS of burning out or not knowing how to select of user's operation. 2. The direct current charging pile only provides a single type of auxiliary power supply, and the disadvantage of the mode is that the selection of various vehicles cannot be met.
Disclosure of Invention
In order to solve the problems, the disclosure provides an auxiliary power supply for an off-board charging machine and a method thereof, and the auxiliary power supply can avoid the situation that a BMS is burnt due to improper user operation, and can also meet the charging requirement of various vehicles.
According to some embodiments, the following technical scheme is adopted in the disclosure:
the utility model provides an auxiliary power supply for off-board charging machine, includes 12V 24V double voltage switching auxiliary power module, auxiliary power relay, total accuse module and gathers the control panel, wherein, 12V 24V double voltage switching auxiliary power module's 12V power and 24V power are connected to respectively on auxiliary power relay's the different output terminal, gather the control panel and gather 12V 24V double voltage switching auxiliary power module's output voltage and auxiliary power relay's control signal, transmit it for the total accuse module of machine that charges through the CAN bus.
By way of further limitation, the dual voltage switching auxiliary power module is configured to provide 12V and 24V two types of power and wiring ports, the KC + and KC-terminals of the wiring ports are connected to the two terminals of the auxiliary power relay REL, the 12V + and 12VG power sources are respectively connected to the OUT + and OUT-terminals of the wiring ports, when KC is not operating, i.e. the auxiliary power relay REL is not operating, the OUT + and OUT-outputs are defaulted, the output is 12V power, and when KC is operating, i.e. the auxiliary power relay REL is operating, there is 24V power output.
By way of further limitation, the dual-voltage switching auxiliary power supply module further comprises an AC-DC conversion circuit, and the AC-DC conversion circuit converts alternating current into two direct current power supplies 12V + and 12VG for output.
As a further limitation, the KC + and KC-ends of the wiring port are connected with an acquisition control board.
A control method of an auxiliary power supply system for an off-board charger is characterized in that based on a voltage value of a vehicle BMS, a charging pile master control module outputs corresponding KC control quantity, further adjusts the voltage output of a 12V/24V double-voltage switching auxiliary power supply module, detects whether the output voltage of an auxiliary power supply is correct, and then controls an auxiliary power supply relay so as to output corresponding auxiliary power supply voltage.
As a further limitation, if 12V needs to be output, the acquisition module KC controls 12V/24V dual-voltage switching auxiliary power supply to output 12V, corresponding output voltage acquisition is performed at the output end of the dual-voltage switching auxiliary power supply, the output voltage is fed back to the acquisition module, after the output voltage is judged to be correct, the acquisition module controls the auxiliary power supply relay to output 12V to the BMS, and if the output voltage is judged to be incorrect, the auxiliary power supply relay does not act.
A charging control system comprises an auxiliary power supply for the non-vehicle-mounted charging machine, a charging station camera and a monitoring background, wherein a master control module of the auxiliary power supply for the non-vehicle-mounted charging machine is connected with the monitoring background, and the monitoring background is connected with the charging station camera for collecting vehicle information.
A control method of a charging control system comprises the steps of collecting a license plate of a vehicle to be served, BMS power specifications and frame numbers and storing the license plate and the frame numbers of the vehicle to be served when the vehicle is transacted with a card or recharged, collecting the license plate and the frame numbers of the vehicle to be served by a camera, obtaining the BMS power specifications of the vehicle by a monitoring background according to inquiry, sending the BMS power specifications to a charging pile master control module, collecting output voltage of a 12V/24V double-voltage switching auxiliary power module by a collection control board, and not switching the output voltage if the output voltage is consistent with the BMS power specifications of the vehicle, otherwise, switching the output voltage to make the output voltage consistent with.
Compared with the prior art, the beneficial effect of this disclosure is:
two auxiliary power supplies are integrated on one auxiliary power supply, the structural space is reduced, the default 12V output is realized, the stability of the system is ensured, and the risk of burning 12VBMS is avoided.
Through the voltage of gathering power module output to whether judge that the output is vehicle BMS demand voltage after, switch auxiliary power supply relay again, the correctness of whole automatic switch-over state is ensured to the switch-on BMS.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure and are not to limit the disclosure.
FIG. 1 is a diagram of a 12V/24V dual voltage switching auxiliary power system;
FIG. 2 is a diagram of an AC-DC to 12V/24V dual voltage system;
FIG. 3 is a diagram of an auxiliary power system;
the specific implementation mode is as follows:
the present disclosure is further described with reference to the following drawings and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present disclosure. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The utility model provides an auxiliary power supply for off-board charging motor, includes 12V 24V double voltage switching auxiliary power module, auxiliary power relay, total accuse module and acquisition control panel, wherein, 12V 24V double voltage switching auxiliary power module's 12V power and 24V power are connected to respectively on the different output terminal of connector, and it has second electric capacity C2 and third electric capacity C3 to connect in parallel between 12V power and the 24V power output, acquisition control panel is connected to connector KC + and KC-, acquires the KC controlled variable of acquisition control panel.
The charging management system further comprises a charging station camera and a monitoring background.
1) As shown in figure 1, KC + and KC-are connected with an acquisition control board, the acquisition control board controls 12V or 24V power output, A + and A-are connected with 24V output of figure 2, 12V + and 12VG are connected with 12V output of figure 2. When the KC is not active, i.e. the relay REL is not active, the OUT + and OUT-outputs are defaulted, which outputs 12V power, and when the KC is active, i.e. the relay REL is active, there is 24V power output.
2) Fig. 2 shows an AC-DC converter circuit for converting AC220V AC power into two DC power outputs to obtain two kinds of power supplies, 24V and 12V.
3) As shown in fig. 3, the output of 24V or 12V is controlled by the acquisition control board, the acquisition control board is controlled by the master control, the master control is controlled by the background communication, and the judgment of the background is based on the acquired data of the camera. When the vehicle is transacted with the card or is charged, the license plate and the frame number of the service vehicle are firstly recorded in the background, the BMS power supply specification of the vehicle is known according to the inquiry, and the BMS power supply specification is stored in the background. When the vehicle is charged, the license plate and the frame number of the vehicle are collected by the camera and then compared with the vehicle registered in the background, when the license plate and the frame number are consistent, the background sends the specification of the BMS power supply corresponding to the charging pile master control, and then the charging pile master control works, otherwise, the background and the human-computer interface report faults.
A control method is based on the voltage value of a vehicle BMS and is issued to a charging pile master control by a background so as to give corresponding KC control quantity, and then adjusting the voltage output of the auxiliary power supply module, detecting whether the output voltage of the auxiliary power supply is correct, and then controlling an auxiliary power supply relay, (if the output voltage needs to be 12V through background verification, the acquisition module KC controls the 12V/24V double-voltage switching auxiliary power supply to output 12V, corresponding output voltage acquisition is carried out at the output end of the double-voltage switching auxiliary power supply, the output voltage is fed back to the acquisition module, after the output voltage is judged to be correct, the acquisition module KC controls the auxiliary power supply relay to output 12V to the BMS, if the output voltage is judged to be wrong, the auxiliary power supply relay does not act and feeds back to a background and a human-computer interface, and the double-voltage switching power supply has faults and needs to be overhauled) so as to output the auxiliary.
As will be appreciated by one skilled in the art, embodiments of the present disclosure may be provided as a method, system, or computer program product. Accordingly, the present disclosure may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present disclosure may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and so forth) having computer-usable program code embodied therein.
The present disclosure is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the disclosure. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The above description is only a preferred embodiment of the present disclosure and is not intended to limit the present disclosure, and various modifications and changes may be made to the present disclosure by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present disclosure should be included in the protection scope of the present disclosure.
Although the present disclosure has been described with reference to specific embodiments, it should be understood that the scope of the present disclosure is not limited thereto, and those skilled in the art will appreciate that various modifications and changes can be made without departing from the spirit and scope of the present disclosure.
Claims (8)
1. The utility model provides an off-board auxiliary power supply for machine that charges, characterized by: the intelligent charging device comprises a 12V/24V double-voltage switching auxiliary power supply module, an auxiliary power supply relay, a master control module and an acquisition control panel, wherein a 12V power supply and a 24V power supply of the 12V/24V double-voltage switching auxiliary power supply module are respectively connected to different output terminals of the auxiliary power supply relay, and the acquisition control panel acquires the output voltage of the 12V/24V double-voltage switching auxiliary power supply module and a control signal of the auxiliary power supply relay and transmits the output voltage and the control signal to the master control module of the charging machine through a CAN bus.
2. The auxiliary power supply for the off-board charger according to claim 1, characterized in that: the double-voltage switching auxiliary power supply module is provided with 12V + and 12VG two types of power supplies and wiring ports by a configuration bit, KC + and KC-ends of the wiring ports are connected with two ends of an auxiliary power supply relay REL, 12V + and 12VG power supplies are respectively connected with OUT + and OUT-ends of the wiring ports, when KC does not act, namely the auxiliary power supply relay REL does not act, OUT + and OUT-outputs are defaulted, the 12V power supply is output at the moment, and when KC acts, namely the auxiliary power supply relay REL acts, 24V power supply output exists.
3. The auxiliary power supply for the off-board charger according to claim 1, characterized in that: the double-voltage switching auxiliary power supply module further comprises an AC-DC conversion circuit which converts alternating current into two direct current power supplies 12V + and 12VG to be output.
4. The auxiliary power supply for the off-board charger according to claim 2, characterized in that: and the KC + and KC-ends of the wiring port are connected with an acquisition control board.
5. A control method of an auxiliary power supply system for an off-board charger is characterized by comprising the following steps: based on the voltage value of vehicle BMS, fill the corresponding KC controlled quantity of total control module output of electric pile, and then adjust the voltage output of 12V 24V dual voltage switching auxiliary power module, detect whether auxiliary power's output voltage is correct, then control the auxiliary power relay to the corresponding auxiliary power voltage of output.
6. The control method according to claim 5, wherein: if 12V needs to be output, the acquisition module KC controls the 12V/24V double-voltage switching auxiliary power supply to output 12V, corresponding output voltage acquisition is carried out at the output end of the double-voltage switching auxiliary power supply, the output voltage is fed back to the acquisition module, after the output voltage is judged to be correct, the acquisition module controls the auxiliary power supply relay to output 12V to the BMS, and if the output voltage is judged to be incorrect, the auxiliary power supply relay does not act.
7. A charging control system is characterized in that: the auxiliary power supply for the non-vehicle-mounted charger, the charging station camera and the monitoring background are included, a master control module of the auxiliary power supply for the non-vehicle-mounted charger is connected with the monitoring background, and the monitoring background is connected with the charging station camera for collecting vehicle information.
8. A control method of a charging control system is characterized in that: when the vehicle is transacted with the card or is supplemented with money, the license plate of waiting to serve the vehicle is gathered, BMS power specification and frame number are saved, the license plate and frame number of serving the vehicle are gathered to the camera, the BMS power specification of its vehicle is known according to the inquiry in the control backstage, issue to fill the BMS power specification that electric pile total control module corresponds, the output voltage of 12V 24V double voltage switching auxiliary power module is gathered to the collection control panel, if consistent with the BMS power specification of vehicle then do not switch, otherwise switch output voltage, make it consistent with the BMS power specification of vehicle.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011580510.2A CN112769174B (en) | 2020-12-28 | 2020-12-28 | Auxiliary power supply for off-board charging motor and method thereof |
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| CN202011580510.2A CN112769174B (en) | 2020-12-28 | 2020-12-28 | Auxiliary power supply for off-board charging motor and method thereof |
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| CN112769174A true CN112769174A (en) | 2021-05-07 |
| CN112769174B CN112769174B (en) | 2023-02-17 |
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| CN116632980A (en) * | 2023-06-20 | 2023-08-22 | 南通国轩新能源科技有限公司 | Self-adaptive charging system and method for 12V and 24V auxiliary power supply |
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| Publication number | Publication date |
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| CN112769174B (en) | 2023-02-17 |
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