CN215204449U - General low-speed vehicle direct current charger device - Google Patents
General low-speed vehicle direct current charger device Download PDFInfo
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- CN215204449U CN215204449U CN202121587568.XU CN202121587568U CN215204449U CN 215204449 U CN215204449 U CN 215204449U CN 202121587568 U CN202121587568 U CN 202121587568U CN 215204449 U CN215204449 U CN 215204449U
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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
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Abstract
The utility model discloses a general low-speed car direct current charger device, relate to the low-speed car charging technology, whether receive message information through the charger connection back and judge low-speed car battery type, when the charger is online after, if receive message information, indicate that the battery system of this vehicle is lithium battery power supply system, the output voltage and the output current of charger are judged through the message information of receiving battery management system to the charger this moment, when the charger is online and overtime after, still can not receive message information, indicate that the battery system of this vehicle is the power supply system of lead acid battery as the power supply, the storage battery voltage of gathering, judge the demand voltage that charges, automatically regulated charger's output voltage and electric current, charge the battery; the multifunctional desk realizes multiple purposes and is universal; the service efficiency of the equipment is improved, the number of chargers arranged in large-scale factories, business overload places or other large-scale transfer places is reduced, and the equipment investment is reduced.
Description
Technical Field
The utility model belongs to the field of charging relates to the low-speed car technique of charging, specifically is a general low-speed car direct current charger device.
Background
The electric low-speed vehicle refers to a simple electric vehicle with the speed lower than 40Km/h, such as an electric tricycle, a low-speed electric vehicle, a golf cart, a warehouse truck, an electric forklift, a freight car, a sightseeing vehicle, an overhead working truck and other low-speed running vehicles taking electricity as driving energy, and the power energy of the low-speed running vehicles takes a lead-acid storage battery as a power chemical power supply.
In recent years, the market of low-speed vehicles taking lithium batteries as power energy is increasingly strong, and the lithium batteries have the advantages of light weight, large-current discharge, multiple charge-discharge cycle times, long service life and the like, so that the lithium batteries are widely applied to the application market of the low-speed vehicles, such as large-scale factories, business supermans or other large-scale transportation places; since the market development of low-speed vehicles is disordered, the types and voltage grades of batteries adopted by different manufacturers are different, the output voltage, current and output power of the chargers matched with the low-speed vehicles are different according to the types, such as 24V, 36V, 48V, 60, 72V, 90V and the like, the output current is 15A, 20A, 30A and the like, various lithium battery chargers or lead-acid battery chargers with different voltages are required to be arranged according to the characteristics of the batteries of different vehicles, great inconvenience is brought to the use, and the waste of equipment resources is also caused.
Therefore, a general direct current charger device for low-speed vehicles is provided.
SUMMERY OF THE UTILITY MODEL
The utility model provides a general low-speed car direct current charger device can satisfy most different voltage levels, and different battery type low-speed cars or battery supply unit's the demand of charging realize that the machine of charging is suitable for different low-speed cars as much as possible and charges, reduces large-scale mill, and the business surpasses, or other large-scale transportation places are equipped with machine of charging quantity, reduce the equipment input.
The purpose of the utility model can be realized by the following technical scheme:
a general low-speed vehicle direct current charger device is used for charging general low-speed vehicles and comprises a charger, wherein a vehicle charging port is formed in one side of the charger and is connected with a connector, and the charger comprises a power supply conversion module, a charging control module, a processor, a current and voltage sampling module, a data acquisition module and a controlled charging switch;
the other end of the connector is connected with a low-speed vehicle battery pack, and the low-speed vehicle battery pack comprises a storage battery pack or a lithium battery pack;
the battery pack of the low-speed vehicle is connected with the charger through a controller local area network; the low-speed vehicle battery pack is connected with a charger through a connector;
the current and voltage sampling module is connected with the low-speed vehicle battery pack through a vehicle charging port and is used for detecting output current and output voltage through the vehicle charging port;
the charging control module is respectively connected with the power supply conversion module and the processor, and the processor controls the power supply conversion module through the charging control module.
Furthermore, the battery pack of the low-speed vehicle is connected with a charger through a connector to form a charging main loop, and the charging main loop is connected with a controlled charging switch in series.
Further, the current and voltage sampling module is connected with the low-speed vehicle battery pack through the vehicle charging port and used for detecting output current and output voltage through the vehicle charging port.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a wide range direct current voltage output's conversion module that charges, whether receive message information through charging machine connection back and judge low-speed car battery type, after charging machine is online, if receive message information, the battery system who demonstrates this vehicle is lithium battery power supply system, the machine that charges judges the output voltage and the output current that charge machine through the message information who receives battery management system this moment, on the contrary, after charging machine is online and overtime, still can not receive message information, the battery system who demonstrates this vehicle is the power supply system of lead acid battery for the power supply, before the machine switches on according to charging switch, the storage battery voltage of gathering, judge the demand voltage that charges, automatically regulated charges the output voltage and the electric current of machine, charge to the battery.
The charger system can be connected with low-speed vehicles with different battery types and different voltage grades, and automatically switched to a corresponding charging mode according to the collected information to charge the vehicles, so that the multifunctional charger system is multipurpose and general; the service efficiency of the equipment is improved, the number of chargers arranged in large-scale factories, business overload places or other large-scale transfer places is reduced, and the equipment investment is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is the utility model relates to a general low-speed vehicle direct current charger device structure chart.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1, a general low-speed vehicle dc charger device is used for charging general low-speed vehicles, and includes a charger, a vehicle charging port is disposed on one side of the charger, the vehicle charging port is connected to a connector, and the charger includes a power conversion module, a charging control module, a processor, a current and voltage sampling module, a data acquisition module, and a controlled charging switch;
the other end of the connector is connected with a low-speed vehicle battery pack, and the low-speed vehicle battery pack comprises a storage battery pack or a lithium battery pack;
the low-speed vehicle battery pack is connected with the charger through a controller local area network, and the data acquisition module is used for acquiring the information of the low-speed vehicle battery pack and sending the information of the low-speed vehicle battery pack to the battery management module; the information of the battery pack of the low-speed vehicle comprises rated charging voltage, rated charging current and the type of the battery pack; the battery management module generates a message according to the information of the low-speed vehicle battery pack sent by the data acquisition module and sends the message to the charger, and the charger generates response information and sends the response information to the battery management module; the response information comprises actual charging voltage and actual charging current;
the low-speed vehicle battery pack is connected with a charger through a connector to form a charging main loop, and a controlled charging switch is connected in series on the charging main loop;
it should be noted that the current-voltage sampling module is connected to the low-speed vehicle battery pack through a vehicle charging port and is configured to detect output current and output voltage through the vehicle charging port, when the controlled charging switch is turned off, voltage of the low-speed vehicle battery pack is sampled by the current-voltage sampling module, when the charger works, the controlled charging switch is turned on, output voltage of the charger is sampled by the current-voltage sampling module and transmits the detected output voltage to the processor, the current-voltage sampling module is connected in series to a charging main circuit at the front end of the controlled charging switch, and when the charger works, output current of the charger is sampled by the current sensor and is transmitted to the processor.
The processor controls the power conversion module through the charging control module to adjust the output voltage and current of the power conversion module; when the charger works, the sampling signals of the current and voltage sampling module are respectively sent to the processor and the charging control module, and the processor adjusts the output of the power supply conversion module according to the sampled output voltage and current.
The charging of the device for the lithium battery pack comprises the following charging steps:
s01, in the online stage, the charger is electrified, the auxiliary power supply in the charger supplies power, the processor starts to work, the controller local area network in the charger receives the information of the low-speed vehicle battery pack of the battery management module and waits for online, and if the online is successful, the next step is carried out;
s02, handshake phase: the charger receives the information of the low-speed vehicle battery pack and analyzes the information of the low-speed vehicle battery pack, if the information analysis fails, the charging process is quitted, and the charger does not output;
s03, charging stage: the charger successfully analyzes the information of the battery pack of the low-speed vehicle, the processor unit analyzes the information into corresponding charging voltage and current demand information, the power supply conversion module is switched on to adjust output current and output voltage, the charging switch is switched on, and a charging process is started;
s04, keeping stage: the processor receives the message, analyzes the charging demand information, simultaneously monitors and outputs actual charging voltage and actual charging current in real time through the current and voltage sampling module, and judges whether the electric quantity is full or not by adjusting the output of the power supply conversion module;
s05, end stage: and the processor receives the message information that the battery management module is full of electric quantity, closes the output of the power conversion module, and disconnects the controlled charging switch, so that the charging process is finished.
The charging of the storage battery pack comprises the following charging steps:
t01, online stage: the method comprises the following steps that a charger is powered on, an auxiliary power supply in the charger supplies power, a processor starts to work, a controller local area network in the charger receives information of a low-speed vehicle battery pack of a battery management module and waits for connection, if the connection fails, an overtime waiting stage is started, and the system waits for time T and then enters a voltage detection stage;
t02, voltage detection stage, namely after the online overtime time is over, the charger processor detects the output voltage of the charger through the current and voltage sampling module, if the voltage cannot be detected, the charging process is quitted, and the charger does not output;
if the direct-current voltage is detected to exist, entering a storage battery charging stage;
the processor detects the direct-current voltage through the current and voltage sampling module and judges the voltage grade of the battery pack of the low-speed vehicle;
t03, charging phase: the charger judges the voltage of the battery pack of the low-speed vehicle by detecting the voltage of the charging connection port, and switches on the power conversion module and the controlled charging switch to start a charging process;
t04, holding stage: the processor is connected with the output of the power supply conversion module, monitors the output voltage and current information in real time through the current and voltage sampling module, adjusts the output of the power supply conversion module, and judges whether the electric quantity is full;
and T05, ending the charging process, namely, when the processor detects that the voltage of the storage battery reaches a set value, closing the output of the power supply conversion module, disconnecting the controlled charging switch and ending the charging process.
In the embodiments provided in the present disclosure, it should be understood that the disclosed apparatus, device and method may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the modules is only one logical functional division, and there may be other divisions when the actual implementation is performed; the modules described as separate parts may or may not be physically separate, and parts displayed as modules may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the method of the embodiment.
Finally, it should be noted that the above embodiments are only used for illustrating the technical method of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical method of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical method of the present invention.
Claims (3)
1. A general low-speed vehicle direct current charger device is used for charging general low-speed vehicles and is characterized by comprising a charger, wherein one side of the charger is provided with a vehicle charging port, the vehicle charging port is connected with a connector, and the charger comprises a power supply conversion module, a charging control module, a processor, a current and voltage sampling module, a data acquisition module and a controlled charging switch;
the other end of the connector is connected with a low-speed vehicle battery pack, and the low-speed vehicle battery pack comprises a storage battery pack or a lithium battery pack;
the battery pack of the low-speed vehicle is connected with the charger through a controller local area network; the low-speed vehicle battery pack is connected with a charger through a connector;
the current and voltage sampling module is connected with the low-speed vehicle battery pack through a vehicle charging port and is used for detecting output current and output voltage through the vehicle charging port;
the charging control module is respectively connected with the power supply conversion module and the processor, and the processor controls the power supply conversion module through the charging control module.
2. The direct-current charger device for universal low-speed vehicles according to claim 1, wherein the battery pack of the low-speed vehicle is connected with the charger through a connector to form a main charging loop, and a controlled charging switch is connected in series on the main charging loop.
3. The device as claimed in claim 1, wherein the current and voltage sampling module is connected to the battery pack of the low-speed vehicle through a vehicle charging port for detecting the output current and the output voltage through the vehicle charging port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121587568.XU CN215204449U (en) | 2021-07-13 | 2021-07-13 | General low-speed vehicle direct current charger device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121587568.XU CN215204449U (en) | 2021-07-13 | 2021-07-13 | General low-speed vehicle direct current charger device |
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| CN215204449U true CN215204449U (en) | 2021-12-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116278963A (en) * | 2023-04-18 | 2023-06-23 | 安徽威斯姆电子科技有限公司 | Intelligent high-frequency charger of electric forklift and charging method thereof |
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2021
- 2021-07-13 CN CN202121587568.XU patent/CN215204449U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116278963A (en) * | 2023-04-18 | 2023-06-23 | 安徽威斯姆电子科技有限公司 | Intelligent high-frequency charger of electric forklift and charging method thereof |
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