CN115296376A - Charging system and charging method - Google Patents

Charging system and charging method Download PDF

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Publication number
CN115296376A
CN115296376A CN202211117870.8A CN202211117870A CN115296376A CN 115296376 A CN115296376 A CN 115296376A CN 202211117870 A CN202211117870 A CN 202211117870A CN 115296376 A CN115296376 A CN 115296376A
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CN
China
Prior art keywords
charging
charging interface
charged
interface
negative
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Pending
Application number
CN202211117870.8A
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Chinese (zh)
Inventor
王锐
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Hunan Xingbida Netlink Technology Co Ltd
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Hunan Xingbida Netlink Technology Co Ltd
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Priority to CN202211117870.8A priority Critical patent/CN115296376A/en
Publication of CN115296376A publication Critical patent/CN115296376A/en
Pending legal-status Critical Current

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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
    • 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
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
    • B60L53/14—Conductive energy transfer
    • 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
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/30—Constructional details of charging stations
    • 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
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/30—Constructional details of charging stations
    • B60L53/302—Cooling of charging equipment
    • 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
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/30—Constructional details of charging stations
    • B60L53/35—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles
    • 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
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/60—Monitoring or controlling charging stations
    • B60L53/62—Monitoring or controlling charging stations in response to charging parameters, e.g. current, voltage or electrical charge
    • 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
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/60—Monitoring or controlling charging stations
    • B60L53/66—Data transfer between charging stations and vehicles
    • 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
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/60—Monitoring or controlling charging stations
    • B60L53/66—Data transfer between charging stations and vehicles
    • B60L53/665—Methods related to measuring, billing or payment
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H01R13/631—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only
    • 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
    • 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
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • 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
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/00309—Overheat or overtemperature protection
    • 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
    • H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
    • 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
    • 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
    • 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
    • H02J7/04—Regulation of charging current or voltage
    • 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
    • B60L2200/40—Working vehicles
    • 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 invention provides a charging system and a charging method, wherein the charging system comprises: the device comprises a charger, a positive charging interface, a negative charging interface, a plug-in device, a communication module and a power conversion device; the input end of the power conversion device is connected with a power grid, the output end of the power conversion device is connected with a charger, the charger is mechanically connected with the plug-in device, the plug-in device is mechanically connected with the positive charging interface and the negative charging interface, and the communication module is in communication connection with the charger; the communication module is used for establishing communication between a charger and the operation machinery to be charged, the power conversion device is used for converting alternating current of a power grid into direct current, the charger is used for controlling the plug-in device to move, the plug-in device is used for adjusting the plug-in angle of the positive charging interface and the negative charging interface, and the positive charging interface and the negative charging interface are used for being matched and plugged with the operation machinery to be charged so as to charge the operation machinery to be charged through the direct current, and therefore the working efficiency of the operation machinery is effectively improved.

Description

Charging system and charging method
Technical Field
The invention relates to the technical field of charging, in particular to a charging system and a charging method.
Background
With the ever-increasing environmental demands and emissions, the cost of fuel-powered work machines, such as fuel trucks, is increasing, as is the cost of use and maintenance for the customer. Therefore, the electric operation machine which can meet the requirements of environmental protection and emission, is economical and efficient is gradually accepted by people.
However, the electric working machine has a problem that charging is slow, and the working machine such as a truck waits for charging for a long time, which seriously affects the operating efficiency of the working machine.
Disclosure of Invention
The invention provides a charging system and a charging method, which are used for solving the defect of low charging efficiency in the prior art, high-power charging can be realized through an independent positive electrode charging interface and a negative electrode charging interface, automatic plug-in charging can be completed through a plug-in device, the charging time is effectively shortened, and the charging efficiency is improved.
The present invention provides a charging system including: the device comprises a charger, a positive charging interface, a negative charging interface, a plug-in device, a communication module and a power conversion device;
the input end of the power conversion device is connected with a power grid, the output end of the power conversion device is connected with the charger, the charger is mechanically connected with the plug-in device, the plug-in device is mechanically connected with the positive charging interface and the negative charging interface, and the communication module is in communication connection with the charger;
the communication module is used for establishing communication between the charger and the operation machine to be charged, the power supply conversion device is used for converting alternating current of the power grid into direct current, the charger is used for controlling the plug-in device to move, the plug-in device is used for adjusting the plug-in angle of the positive charging interface and the negative charging interface, and the positive charging interface and the negative charging interface are used for being matched and plugged with the operation machine to be charged so as to charge the operation machine to be charged through the direct current.
According to a charging system provided by the present invention, the plug device includes: the positioning mechanism, the three comprehensive mechanical arms and the guiding mechanism;
the positioning mechanism is used for positioning position information of a power receiving mechanism of the operation machine to be charged, and the guide mechanism is used for controlling the three-comprehensive mechanical arm to move according to the position information, so that the positive charging interface and the negative charging interface are matched and plugged with the power receiving mechanism.
The charging system further comprises a dust removal mechanism;
and before the positive charging interface and the negative charging interface are matched and plugged with the power receiving mechanism, the dust removing mechanism is used for removing impurities on the power receiving mechanism.
According to the present invention, there is provided a charging system, further comprising: a liquid cooling loop;
and the liquid cooling loop is used for cooling the charger, the positive charging interface and the negative charging interface.
The invention also provides a charging method, which is applied to the charging system as described in any one of the above, and the method comprises the following steps:
receiving a charging request of an operating machine to be charged, wherein the charging request is sent after the operating machine to be charged is detected to be fault-free;
according to the charging request, the plug-in devices are controlled to be respectively used for matching plug-in of the positive electrode charging interface and the negative electrode charging interface with the power receiving mechanism of the operation machine to be charged;
after the matched plugging is completed, detecting the charging required power of the power receiving mechanism;
and controlling the positive charging interface and the negative charging interface to charge the operation machine to be charged with target charging power based on the charging demand power.
According to a charging method provided by the invention, the control plug device is respectively used for matching and plugging a positive electrode charging interface and a negative electrode charging interface with a power receiving mechanism of the operation machine to be charged, and the charging method comprises the following steps:
respectively controlling the positive charging interface and the negative charging interface to be aligned with a power receiving mechanism of the operation machine to be charged;
detecting the distance values between the positive charging interface and the negative charging interface and the power receiving mechanism;
when the distance value is a first preset distance value, controlling a dust removal mechanism to remove impurities on the power receiving mechanism; when the distance value is a second preset distance value, opening a cover plate of a charging interface of the power receiving mechanism to complete the matched plug-in connection of the positive charging interface, the negative charging interface and the power receiving mechanism;
the second preset distance value is smaller than the first preset distance value.
According to the charging method provided by the invention, the method further comprises the following steps:
receiving a charging completion instruction, wherein the charging completion instruction is generated after a battery is fully charged or a charging stop signal is received;
based on the charging completion instruction, reducing the charging current according to a preset mode;
and when the charging motor is reduced to zero, the plug-in device is controlled to withdraw the positive charging interface and the negative charging interface.
According to a charging method provided by the present invention, after receiving a charging completion instruction, the method further includes:
determining the frame number and the charging amount of the work machine to be charged;
determining a charging fee based on the frame number and the charge amount.
According to the charging method provided by the invention, the method further comprises the following steps:
and when the operation machine to be charged is disconnected with the charging system and the charging port cover plate of the power receiving mechanism is closed, sending a moving instruction to the operation machine to be charged.
According to the charging method provided by the invention, the method further comprises the following steps:
respectively detecting the charging temperature of the positive electrode charging interface, the negative electrode charging interface and the charger;
and when any charging temperature is higher than the preset temperature, a liquid cooling loop is started to cool the positive electrode charging interface, the negative electrode charging interface and the charger.
The invention also provides an electronic device comprising a memory, a processor and a computer program stored on the memory and capable of running on the processor, wherein the processor executes the program to realize the charging method.
The invention also provides a non-transitory computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements a charging method as described in any of the above.
The invention also provides a computer program product comprising a computer program which, when executed by a processor, implements a charging method as described in any one of the above.
The invention provides a charging system and a charging method, wherein the charging system comprises: the device comprises a charger, a positive charging interface, a negative charging interface, a plug-in device, a communication module and a power conversion device; the input end of the power conversion device is connected with a power grid, the output end of the power conversion device is connected with a charger, the charger is mechanically connected with an insertion device, the insertion device is mechanically connected with a positive charging interface and a negative charging interface, and the communication module is in communication connection with the charger; the communication module is used for establishing communication between a charger and the operation machine to be charged, the power supply conversion device is used for converting alternating current of a power grid into direct current, the charger is used for controlling the plug-in device to move, the plug-in device is used for adjusting the plug-in angle of the positive charging interface and the negative charging interface, the positive charging interface and the negative charging interface are used for being in matched plug-in connection with the operation machine to be charged, the operation machine to be charged is charged through the direct current, charging of the operation machine to be charged can be rapidly completed by improving the charging power of the positive charging interface and the negative charging interface, and due to the fact that the positive charging interface and the negative charging interface are automatically in matched plug-in connection with the operation machine to be charged, the problems that due to the fact that the charging power of the positive charging interface and the negative charging interface is improved, charging cables become thick, weight becomes heavy and manual plug-in difficulty are solved, charging time is shortened, and working efficiency of the operation machine is effectively improved.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a charging system according to an embodiment of the present invention;
fig. 2 is a schematic flow chart of a charging method according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a charging device according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an electronic device provided in the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
A charging system and a charging method according to the present invention are described below with reference to fig. 1 to 4.
Fig. 1 is a schematic structural diagram of a charging system according to an embodiment of the present invention.
As shown in fig. 1, the present embodiment provides a charging system, including: the device comprises a charger, a positive charging interface, a negative charging interface, a plug-in device, a communication module and a power conversion device; the input end of the power conversion device is connected with a power grid, the output end of the power conversion device is connected with a charger, the charger is mechanically connected with an insertion device, the insertion device is mechanically connected with a positive charging interface and a negative charging interface, and the communication module is in communication connection with the charger; the communication module is used for establishing communication between the charger and the operation machine to be charged, the power supply conversion device is used for converting alternating current of a power grid into direct current, the charger is used for controlling the plug-in device to move, the plug-in device is used for adjusting the plug-in angle of the positive charging interface and the negative charging interface, and the positive charging interface and the negative charging interface are used for being matched and plugged with the operation machine to be charged so as to charge the operation machine to be charged through the direct current.
In a specific implementation process, the work machine to be charged is illustrated by taking a truck as an example, the power conversion device includes a power converter and a transformer, the transformer is connected to the high-voltage power grid, the transformer converts the voltage of the high-voltage power grid to obtain the charging voltage required by quick charging, and then the alternating current is converted into the direct current through the power converter, so that the high-current direct current is connected to the charger. When the truck has a charging requirement, the driver parks the truck to a corresponding parking charging position, and at the moment, the truck is in communication connection with a communication module of the charging system. For example, the communication connection may be 5G communication, after the communication connection is established, the charger needs to control the plug device to move, and the plug device is controlled to adjust the positions, the plug angles, and the like of the positive charging interface and the negative charging interface, so that the positive charging interface and the negative charging interface can be accurately matched and plugged with a truck. Therefore, the charger charges the power battery of the truck by using the converted large-current direct current.
The positive electrode charging interface and the negative electrode charging interface are independent charging interfaces and are direct current charging interfaces. The meaning of the charging interface in this embodiment is an interface matched with a power receiving end of the work machine to be charged, that is, if the power receiving end is a female end, the charging interface is a male end, and if the power receiving end is a male end, the charging interface is a female end. In order to ensure the safety of charging, the charging device can also be arranged on a grounding interface. The positive electrode charging interface, the negative electrode charging interface and the grounding interface adopt a single-end plug mode, and the requirements (including but not limited to insulation withstand voltage and creepage distance) of the maximum voltage of 1500V are met; the positive electrode charging interface and the negative electrode charging interface adopt a terminal inlet cooling mode, the maximum charging current of 3000A is met, and more than ten thousand effective plugging times are met. Meanwhile, in order to ensure the safe insertion of the positive charging interface, the negative charging interface and the operation machine to be charged, the insertion state detection is required before charging, and only after the positive charging interface, the negative charging interface and the grounding interface are completely inserted in place, the charger can control the next operation in the charging process.
The positive charging interface, the negative charging interface and the plug-in device are charging equipment, namely movable parts, the charger is a fixed part, and the connection between the charger and the power conversion device is also fixed. After the charger is installed, the charger is connected with a high-voltage power grid through a power converter and a transformer to be electrified. When the charging is carried out specifically, only the positive charging interface and the negative charging interface need to be moved through the plug-in device. The plug-in device, the positive charging interface and the negative charging interface are movably arranged on the charging machine, when charging is not needed, the plug-in device, the positive charging interface and the negative charging interface contract with the charging machine, use safety is guaranteed, and space is saved. When charging is needed, the plug-in device controls the positive charging interface and the negative charging interface to stretch out, and after the plug-in device is positioned to a power receiving mechanism of the operation machine to be charged, matching plug-in is automatically completed to charge. And through the independent positive electrode charging interface and the negative electrode charging interface, high-voltage and high-current quick charging can be realized, the receiving power of electric traction is improved to 1-4 megawatts, charging of electricity of more than 1000 ℃ can be completed in each hour, and the charging time is greatly shortened.
For example, the driver needs to charge the truck, and the driver needs to drive the truck to be charged to a charging location, where the truck may automatically establish communication with the charging system, or the driver may send a communication request with the charging system through an in-vehicle control system or an intelligent terminal such as a mobile phone. After the communication is established, a charging request can be sent through a whole vehicle charging button or a mobile phone terminal, and the charging system can automatically control the plug-in device to adjust the positive charging interface and the negative charging interface according to the charging request so as to finish charging the truck through the charging system.
The present embodiment provides a charging system, including: the device comprises a charger, a positive charging interface, a negative charging interface, a plug-in device, a communication module and a power conversion device; the input end of the power conversion device is connected with a power grid, the output end of the power conversion device is connected with a charger, the charger is mechanically connected with an insertion device, the insertion device is mechanically connected with a positive charging interface and a negative charging interface, and the communication module is in communication connection with the charger; the communication module is used for establishing communication between a charger and the operation machinery to be charged, the power conversion device is used for converting alternating current of a power grid into direct current, the charger is used for controlling the plug-in device to move, the plug-in device is used for adjusting plug-in angles of the positive charging interface and the negative charging interface, the positive charging interface and the negative charging interface are used for being plugged in the operation machinery to be charged in a matching mode, the operation machinery to be charged is charged through the direct current, charging of the operation machinery to be charged can be completed rapidly by improving charging power of the positive charging interface and the negative charging interface, and due to the fact that the positive charging interface and the negative charging interface are automatically plugged in the operation machinery to be charged in a matching mode, the problems that charging cables are thick, weight is heavy and manual plugging is difficult due to the fact that the charging power of the positive charging interface and the negative charging interface is improved are solved, charging time is shortened, and working efficiency of the operation machinery is effectively improved.
Further, on the basis of the above embodiment, the plug device in this embodiment includes: the positioning mechanism, the three-integrated mechanical arm and the guide mechanism; the positioning mechanism is used for positioning the position information of the power receiving mechanism of the operation machine to be charged, and the guide mechanism is used for controlling the three comprehensive mechanical arms to move the positive charging interface and the negative charging interface to complete matching and plugging with the power receiving mechanism according to the position information.
Specifically, the main function of the plugging device is to automatically control the positive charging interface and the negative charging interface to complete the matching plugging with the power receiving mechanism of the operation machine to be charged. When the charging device is not charged, the positions of the positive charging interface and the negative charging interface are fixed, so that the position information of the power receiving mechanism of the working machine to be charged needs to be determined, and the positioning mechanism has the main function of accurately positioning the position information of the power receiving mechanism, for example, the position information of the power receiving mechanism can be captured by a camera, the position of the power receiving mechanism can be determined by infrared induction, and the like. The main function of the guide mechanism is to help the three-integrated mechanical arm to quickly complete the connection of the positive charging interface and the negative charging interface with the power receiving mechanism. The positive electrode charging interface and the negative electrode charging interface can be quickly and accurately matched and plugged with the power receiving mechanism through the combined action of the positioning mechanism, the guide mechanism and the three comprehensive mechanical arms.
Further, on the basis of the above embodiment, the charging system in this embodiment further includes a dust removal mechanism; before the positive electrode charging interface and the negative electrode charging interface are matched and plugged with the power receiving mechanism, the dust removing mechanism is used for removing impurities on the power receiving mechanism.
Specifically, in a working machine such as a truck, the working environment includes a mine, a construction site, and the like, and many places have dust, and therefore, impurities such as slow dust are accumulated on the working machine. Therefore, the charging system in this embodiment is provided with the dust removing mechanism, and before the positive electrode charging interface and the negative electrode charging interface are plugged into the power receiving mechanism, dust on the surface of the power receiving mechanism is removed by the dust removing mechanism. For example, the dust collector may be a blower that blows away dust on the surface of the power receiving mechanism, for example, the dust collector may suck away dust on the surface of the power receiving mechanism, for example, the dust on the surface of the power receiving mechanism may be brushed away by a brush structure, as long as the dust on the surface of the power receiving mechanism can be effectively removed.
Through getting rid of the dust on receiving the mechanism surface effectively for when carrying out anodal interface, the negative pole that charges and receiving the matching grafting of mechanism, can reduce the dust and make and cause the pollution to inserting the electric hole, also can guarantee the direct full connection of interface moreover, avoid because the risk of the contact failure that dust caused.
Further, on the basis of the above embodiment, the charging system in this embodiment further includes: a liquid cooling loop; the liquid cooling loop is used for cooling the charger, the positive charging interface and the negative charging interface.
Specifically, because the charging system in this embodiment implements fast charging, the charging cables corresponding to the positive charging interface and the negative charging interface are thickened, and when high power and large current are charged, the temperature of the charging cables is raised quickly, and in order to avoid danger caused by over-high temperature, a liquid cooling loop can be selected to cool the cables. The liquid medium or the cooling water is used for heat dissipation, so that the cooling and heat dissipation effects can be guaranteed, the charging efficiency is guaranteed, and meanwhile, the danger possibly brought by high temperature can be avoided.
Fig. 2 is a schematic flowchart of a charging method according to an embodiment of the present invention.
As shown in fig. 2, the charging method provided in this embodiment is applied to the charging system according to any of the above embodiments, that is, the execution subject may be the charging system, and the method mainly includes the following steps:
201. and receiving a charging request of the working machine to be charged, wherein the charging request is sent after detecting that the working machine to be charged has no fault.
In one specific implementation, the driver drives the work machine to be charged to the charging position, and then the driver actively or automatically completes the communication connection with the charging system. After the communication connection is established, the driver can send a charging request to the charging system through a vehicle charging button or an intelligent terminal such as a mobile phone, and for the charging system, the charging request of the operation machine to be charged is received. After the charging request is determined to be a legal charging request, the charging system can be handshake with the operation machine to be charged, and connection is established.
In order to ensure the safety of the charging process, after the charging system is in communication connection with the work machine to be charged, the fault conditions of the work machine to be charged, including the insulation fault of the power receiving mechanism and other faults of the whole vehicle, are detected first. If the fault of the operation machine to be charged is detected, the operation machine to be charged is not directly charged, and a prompt can be sent so that a driver and other personnel can maintain the fault of the operation machine to be charged in time, and only after the contact fault is determined, the next charging operation can be carried out, so that the charging safety is better ensured.
The communication method of the charging system with the work machine to be charged or the terminal such as a mobile phone may be network communication, for example, 5G network communication, or other communication methods, for example, bluetooth communication. In this embodiment, no specific limitation is made, and only the direct communication connection between the charging system and the work machine to be charged can be effectively established, so that normal data interaction between the charging system and the work machine to be charged can be performed.
202. And according to the charging request, the plug-in devices are controlled to be respectively used for matching plug-in of the positive charging interface and the negative charging interface with the power receiving mechanism of the operation machine to be charged.
After it is determined that the work machine to be charged is not faulty and the communication connection with the work machine to be charged is successfully established, the connection of the charging system to the work machine to be charged can be established. The main way to control the connection between the charging system and the work machine to be charged is to control the connection with the power receiving mechanism of the work machine to be charged through the plug device.
Because the charging system in the embodiment is a high-power charging system, different from a common charging gun structure, charging is performed through an independent positive charging interface and a negative charging interface, so that high power of charging is ensured. Therefore, the charging system controls the plugging device to complete the movement of the positive charging interface and the negative charging interface according to the charging request, so as to realize the matching plugging of the positive charging interface and the negative charging interface with the power receiving mechanism of the operation machine to be charged. I.e. the automatic establishment of the plugging of the male end with the female end by means of the plugging device.
203. After the matching plug-in is completed, the charging demand power of the power receiving mechanism is detected.
After the positive charging interface, the negative charging interface and the power receiving mechanism are controlled to be matched and plugged, the charging preparation work is completed. Therefore, the required charging power of the power receiving mechanism, that is, the required power of the high-power lithium battery of the operation machine to be charged, needs to be detected, and the required power refers to the most efficient charging power.
In a finished automobile system of the operation machine to be charged, parameters of the power battery exist, so that the required charging power of the power battery is detected, the parameter information of the power battery can be read through a bus instruction and a finished automobile battery management system, and the accuracy of acquiring the parameter information of the power battery is ensured.
204. And controlling the positive charging interface and the negative charging interface to charge the to-be-charged operation machine with the target charging power based on the charging required power.
After the charging demand power of the operation machine to be charged is determined, the charging powers of the corresponding positive electrode charging interface and the negative electrode charging interface can be adjusted according to the charging demand power, so that the power battery of the operation machine to be charged is charged with the target charging power, and the target charging power can be equal to the charging demand power or in a certain proportional relation with the charging demand power.
After the charging power of the positive electrode charging interface and the negative electrode charging interface is adjusted, it is indicated that the charging condition of the power battery is met at the moment. At the moment, the charging contact of the charger in the charging system can be controlled to be closed, the charger is effectively connected with the power battery, and the power battery is charged.
In the charging method in this embodiment, the power battery of the operation machine to be charged is charged by the charging system in any one of the above embodiments, in order to effectively shorten the charging time, high-power charging is selected, in order to ensure the safety of high-power charging, an independent positive charging interface and a negative charging interface are selected, and in order to solve the problem that manual movement of the positive charging interface and the negative charging interface is inconvenient, the positive charging interface and the negative charging interface are automatically matched and plugged with the power receiving mechanism of the operation machine to be charged by the plugging device, so that the charging preparation work is ensured to be quickly completed, and the high-power charging can ensure that the charging time during charging is effectively shortened, so that the charging efficiency is improved, and the working efficiency of the operation machine is also effectively improved.
Further, on the basis of the above embodiment, the control plug device in this embodiment is respectively used for matching and plugging the positive charging interface and the negative charging interface with the power receiving mechanism of the to-be-charged working machine, and includes: respectively controlling the positive charging interface and the negative charging interface to align with a power receiving mechanism of the operation machine to be charged; detecting the distance values between the positive charging interface and the negative charging interface and the power receiving mechanism; when the distance value is a first preset distance value, controlling the dust removal mechanism to remove impurities on the power receiving mechanism; when the distance value is a second preset distance value, opening a charging interface cover plate of the power receiving mechanism to complete the matched plug-in connection of the positive charging interface, the negative charging interface and the power receiving mechanism; the second preset distance value is smaller than the first preset distance value.
Specifically, the control plug device is respectively used for the positive electrode charging interface, the negative electrode charging interface and the power receiving mechanism to be matched and plugged, the positive electrode charging interface and the negative electrode charging interface are firstly required to be aligned with the power receiving mechanism, the alignment means that only the forward movement or the backward movement is required to be controlled according to the current angle, and the advancing angle of the positive electrode charging interface or the negative electrode charging interface is not required to be controlled and changed. After the alignment, the positive electrode charge interface of control and the negative electrode charge interface move, and the distance value that charges interface and negative electrode when the positive electrode is charged is first to predetermine the distance value with receiving the mechanism is, and control dust removal mechanism work this moment to clear away impurity such as dust on receiving the mechanism surface. For example, the dust removing mechanism may be controlled to operate for a preset time period. After impurity is clear away and is accomplished, just continue the removal of control positive pole interface and the negative pole interface that charges, when detecting the distance value and predetermine the distance value for the second, just need send the power receiving mechanism and charge mouthful apron and open the instruction this moment, the control power receiving mechanism charge mouthful apron and open, then after detecting the power receiving mechanism and be in opening completely, the control positive pole interface and the negative pole interface that charges continue to remove to accomplish the positive pole interface that charges, the negative pole charges the interface and is pegged graft with the matching of power receiving mechanism.
Further, on the basis of the foregoing embodiment, the charging method in this embodiment may further include: receiving a charging completion instruction, wherein the charging completion instruction is generated after the battery is fully charged or a charging stop signal is received; based on the charging completion instruction, reducing the charging current according to a preset mode; when the charging motor is reduced to zero, the plug device is controlled to withdraw the positive charging interface and the negative charging interface.
Specifically, after the charging is completed, a charging completion instruction is received, where the charging completion instruction may be a charging stop instruction actively sent by a user or an instruction automatically generated when the charging is fully charged, and after the charging completion instruction is received, the charger is controlled to reduce the charging current according to a preset mode, so as to gradually reduce the charging current to zero. Then, after the recharging current is reduced to zero, the plug device can be controlled to recover the positive charging interface and the negative charging structure, and the charging is finished.
In the charging process, a driver can check the charging progress in real time through a battery management system or an intelligent terminal such as a mobile phone, the driver can select full charging or charging to 80% and the like according to actual requirements, if the driver selects to finish charging after the charging to 80%, the driver can actively initiate a charging stop instruction, and the charging system receives the charging stop instruction and gradually reduces the charging current to zero. Due to the high-power charging system, the charging current needs to be gradually reduced, and damage to the power battery or the charging system is avoided.
Further, on the basis of the foregoing embodiment, after receiving the charging completion instruction in this embodiment, the method further includes: determining the number of a frame and the charging amount of the operation machine to be charged; based on the number of the vehicle frame and the amount of charge, a charge fee is determined.
Specifically, after the charging is completed, the charging system determines the charging fee according to the frame number and the charging amount of the work machine to be charged, the frame number corresponds to the vehicle owner identification information, the charging amount determines the charging fee corresponding to the vehicle owner information, the charging fee to be paid by the vehicle owner is determined according to the charging amount, the charging fee may be determined according to the charging time, the user may automatically select the electric quantity of the charging target charging fee during the charging, and the charging fee is automatically calculated in an online manner, so that the settlement is completed.
Further, on the basis of the above embodiment, the present embodiment further includes: when the operation machine to be charged is disconnected with the charging system and the charging port cover plate of the power receiving mechanism is closed, a moving instruction is sent to the operation machine to be charged.
Specifically, in order to ensure the driving safety of the work machine to be charged, it is necessary to ensure that the work machine to be charged can be moved only in a state where the charging port of the work machine to be charged is completely closed. That is, it is ensured that the operation machine to be charged is disconnected from the charging system, no current is transmitted between the operation machine to be charged and the charging system, and when the charging port cover plate of the power receiving mechanism is completely closed, a movement instruction is sent to the operation machine to be charged, and when any one of the two is not satisfied, the operation machine to be charged is controlled not to move. The safety accidents caused by the movement of the vehicle in the charging process or in the state that the charging system is connected with the power receiving mechanism are effectively prevented.
Further, on the basis of the above embodiment, the present embodiment further includes: respectively detecting the charging temperature of the positive charging interface, the charging temperature of the negative charging interface and the charging temperature of the charger; and when any charging temperature is higher than the preset temperature, the liquid cooling loop is started to cool the positive charging interface, the negative charging interface and the charger.
Specifically, in order to guarantee charging safety in the charging process, the charging temperatures of the positive charging interface, the negative charging interface and the charger in the charging process need to be detected in real time, the cable temperature is also included, when the charging temperature of any one is detected to be higher than the preset temperature, the temperature at the moment is indicated to be too high, cooling processing needs to be carried out, a liquid cooling loop is controlled to be opened to cool the positive charging interface, the negative charging interface and the charger, the safety temperature in the charging process is guaranteed, charging safety can be guaranteed, and charging efficiency can be guaranteed.
Based on the same general inventive concept, the present invention also provides a charging device, which is described below, and the charging device described below and the charging method described above may be referred to in correspondence.
Fig. 3 is a schematic structural diagram of a charging device according to an embodiment of the present invention.
As shown in fig. 3, the charging device provided in this embodiment includes:
the receiving module 301 is configured to receive a charging request of a to-be-charged working machine, where the charging request is sent after detecting that the to-be-charged working machine is fault-free;
the plug-in module 302 is used for controlling plug-in devices to be respectively used for matching plug-in of the positive charging interface and the negative charging interface with the power receiving mechanism of the operation machine to be charged according to the charging request;
a detection module 303, configured to detect a charging required power of the power receiving mechanism after the matching plug is completed;
the control module 304 is configured to control the positive charging interface and the negative charging interface to charge the work machine to be charged with a target charging power based on the charging required power.
Further, the plug-in module 302 in this embodiment is specifically configured to:
respectively controlling the positive charging interface and the negative charging interface to be aligned with a power receiving mechanism of the operation machine to be charged;
detecting the distance values between the positive charging interface and the negative charging interface and the power receiving mechanism;
when the distance value is a first preset distance value, controlling a dust removal mechanism to remove impurities on the power receiving mechanism; when the distance value is a second preset distance value, opening a charging interface cover plate of the power receiving mechanism to complete the matched insertion of the positive charging interface, the negative charging interface and the power receiving mechanism;
the second preset distance value is smaller than the first preset distance value.
Further, the receiving module 301 in this embodiment is further configured to:
receiving a charging completion instruction, wherein the charging completion instruction is generated after a battery is fully charged or a charging stop signal is received;
based on the charging completion instruction, reducing the charging current in a preset mode;
and when the charging motor is reduced to zero, the plug-in device is controlled to withdraw the positive charging interface and the negative charging interface.
Further, the present embodiment further includes a determining module, configured to:
determining the frame number and the charging amount of the work machine to be charged;
determining a charging fee based on the frame number and the charge amount.
Further, this embodiment further includes a safety prompt module, configured to:
and when the operation machine to be charged is disconnected with the charging system and the charging port cover plate of the power receiving mechanism is closed, sending a moving instruction to the operation machine to be charged.
Further, still include the cooling module in this embodiment for:
respectively detecting the charging temperature of the positive charging interface, the charging temperature of the negative charging interface and the charging machine;
and when any charging temperature is higher than the preset temperature, the liquid cooling loop is started to cool the positive electrode charging interface, the negative electrode charging interface and the charger.
Fig. 4 is a schematic structural diagram of an electronic device provided in the present invention.
As shown in fig. 4, the electronic device may include: a processor (processor) 410, a communication Interface 420, a memory (memory) 430 and a communication bus 440, wherein the processor 410, the communication Interface 420 and the memory 430 are communicated with each other via the communication bus 440. The processor 410 may call logic instructions in the memory 430 to perform a charging method comprising: receiving a charging request of an operating machine to be charged, wherein the charging request is sent after the operating machine to be charged is detected to be fault-free; according to the charging request, controlling the plugging devices to be respectively used for matching and plugging of the positive charging interface and the negative charging interface with the power receiving mechanism of the operation machine to be charged; after the matched plugging is completed, detecting the charging required power of the power receiving mechanism; and controlling the positive charging interface and the negative charging interface to charge the operation machine to be charged with target charging power based on the charging demand power.
In addition, the logic instructions in the memory 430 may be implemented in the form of software functional units and stored in a computer readable storage medium when the software functional units are sold or used as independent products. Based on such understanding, the technical solution of the present invention or a part thereof which substantially contributes to the prior art may be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk, and various media capable of storing program codes.
In another aspect, the present invention also provides a computer program product, the computer program product comprising a computer program, the computer program being storable on a non-transitory computer-readable storage medium, the computer program, when executed by a processor, being capable of executing the charging method provided by the above methods, the method comprising: receiving a charging request of an operating machine to be charged, wherein the charging request is sent after detecting that the operating machine to be charged has no fault; according to the charging request, controlling the plugging devices to be respectively used for matching and plugging of the positive charging interface and the negative charging interface with the power receiving mechanism of the operation machine to be charged; after the matched plugging is completed, detecting the charging required power of the power receiving mechanism; and controlling the positive charging interface and the negative charging interface to charge the operation machine to be charged with target charging power based on the charging demand power.
In yet another aspect, the present invention also provides a non-transitory computer-readable storage medium having stored thereon a computer program, which when executed by a processor, is implemented to perform the charging method provided by the above methods, the method comprising: receiving a charging request of an operating machine to be charged, wherein the charging request is sent after the operating machine to be charged is detected to be fault-free; according to the charging request, controlling the plugging devices to be respectively used for matching and plugging of the positive charging interface and the negative charging interface with the power receiving mechanism of the operation machine to be charged; after the matched plugging is completed, detecting the charging required power of the power receiving mechanism; and controlling the positive charging interface and the negative charging interface to charge the operation machine to be charged with target charging power based on the charging demand power.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units 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 solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. Based on the understanding, the above technical solutions substantially or otherwise contributing to the prior art may be embodied in the form of a software product, which may be stored in a computer-readable storage medium, such as ROM/RAM, magnetic disk, optical disk, etc., and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method according to the various embodiments or some parts of the embodiments.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (10)

1. An electrical charging system, comprising: the device comprises a charger, a positive charging interface, a negative charging interface, a plug-in device, a communication module and a power conversion device;
the input end of the power conversion device is connected with a power grid, the output end of the power conversion device is connected with the charger, the charger is mechanically connected with the plug-in device, the plug-in device is mechanically connected with the positive charging interface and the negative charging interface, and the communication module is in communication connection with the charger;
the communication module is used for establishing communication between the charger and the operation machine to be charged, the power supply conversion device is used for converting alternating current of the power grid into direct current, the charger is used for controlling the plug-in device to move, the plug-in device is used for adjusting the plug-in angle of the positive charging interface and the negative charging interface, and the positive charging interface and the negative charging interface are used for being matched and plugged with the operation machine to be charged so as to charge the operation machine to be charged through the direct current.
2. The charging system of claim 1, wherein the plug device comprises: the positioning mechanism, the three comprehensive mechanical arms and the guiding mechanism;
the positioning mechanism is used for positioning position information of a power receiving mechanism of the operation machinery to be charged, and the guide mechanism is used for controlling the three comprehensive mechanical arms to move according to the position information, and the positive electrode charging interface and the negative electrode charging interface are matched and plugged with the power receiving mechanism.
3. The charging system according to claim 2, further comprising a dust removal mechanism;
and before the positive charging interface and the negative charging interface are matched and plugged with the power receiving mechanism, the dust removing mechanism is used for removing impurities on the power receiving mechanism.
4. The charging system according to any one of claims 1 to 3, further comprising: a liquid cooling loop;
and the liquid cooling loop is used for cooling the charger, the positive charging interface and the negative charging interface.
5. A charging method, characterized in that the charging system according to any one of claims 1-4 is applied, the method comprising:
receiving a charging request of an operating machine to be charged, wherein the charging request is sent after detecting that the operating machine to be charged has no fault;
according to the charging request, controlling the plugging devices to be respectively used for matching and plugging of the positive charging interface and the negative charging interface with the power receiving mechanism of the operation machine to be charged;
after the matched plugging is completed, detecting the charging required power of the power receiving mechanism;
and controlling the positive charging interface and the negative charging interface to charge the operation machine to be charged with target charging power based on the charging demand power.
6. The charging method according to claim 5, wherein the control plug devices are respectively used for matching and plugging a positive charging interface and a negative charging interface with a power receiving mechanism of the work machine to be charged, and the method comprises the following steps:
respectively controlling the positive electrode charging interface and the negative electrode charging interface to be aligned with a power receiving mechanism of the operation machine to be charged;
detecting the distance values between the positive electrode charging interface and the negative electrode charging interface and the power receiving mechanism;
when the distance value is a first preset distance value, controlling a dust removal mechanism to remove impurities on the power receiving mechanism; when the distance value is a second preset distance value, opening a cover plate of a charging interface of the power receiving mechanism to complete the matched plug-in connection of the positive charging interface, the negative charging interface and the power receiving mechanism;
the second preset distance value is smaller than the first preset distance value.
7. The charging method according to claim 5, further comprising:
receiving a charging completion instruction, wherein the charging completion instruction is generated after a battery is fully charged or a charging stop signal is received;
based on the charging completion instruction, reducing the charging current according to a preset mode;
and when the charging motor is reduced to zero, controlling the plug-in device to withdraw the positive charging interface and the negative charging interface.
8. The charging method according to claim 7, further comprising, after the receiving a charging completion instruction:
determining the frame number and the charging amount of the working machine to be charged;
determining a charging fee based on the frame number and the charge amount.
9. The charging method according to claim 5, further comprising:
and when the operation machine to be charged is disconnected with the charging system and the charging port cover plate of the power receiving mechanism is closed, sending a moving instruction to the operation machine to be charged.
10. The charging method according to claim 5, further comprising:
respectively detecting the charging temperature of the positive charging interface, the charging temperature of the negative charging interface and the charging machine;
and when any charging temperature is higher than the preset temperature, the liquid cooling loop is started to cool the positive electrode charging interface, the negative electrode charging interface and the charger.
CN202211117870.8A 2022-09-14 2022-09-14 Charging system and charging method Pending CN115296376A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116653641A (en) * 2023-05-26 2023-08-29 安徽威斯姆电子科技有限公司 Intelligent charger and charging method for charging lithium battery of electric forklift

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116653641A (en) * 2023-05-26 2023-08-29 安徽威斯姆电子科技有限公司 Intelligent charger and charging method for charging lithium battery of electric forklift

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