CN120200362B - Lithium battery intelligent charging control system of battery replacement cabinet - Google Patents
Lithium battery intelligent charging control system of battery replacement cabinetInfo
- Publication number
- CN120200362B CN120200362B CN202510682146.7A CN202510682146A CN120200362B CN 120200362 B CN120200362 B CN 120200362B CN 202510682146 A CN202510682146 A CN 202510682146A CN 120200362 B CN120200362 B CN 120200362B
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- Prior art keywords
- power tube
- electric energy
- module
- charging
- charging module
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
- H02J7/02—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries for charging batteries from AC mains by converters
- H02J7/04—Regulation of charging current or voltage
- H02J7/06—Regulation of charging current or voltage using discharge tubes or semiconductor devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- 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
- B60L53/80—Exchanging energy storage elements, e.g. removable batteries
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
- H02J7/90—Regulation of charging or discharging current or voltage
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
- H02J7/90—Regulation of charging or discharging current or voltage
- H02J7/933—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—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
- H02J7/90—Regulation of charging or discharging current or voltage
- H02J7/96—Regulation of charging or discharging current or voltage in response to battery voltage
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of DC power input into DC power output
- H02M3/02—Conversion of DC power input into DC power output without intermediate conversion into AC
- H02M3/04—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters
- H02M3/10—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/156—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
- H02M3/158—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of DC power input into DC power output
- H02M3/22—Conversion of DC power input into DC power output with intermediate conversion into AC
- H02M3/24—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters
- H02M3/28—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC
- H02M3/325—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33569—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements
- H02M3/33576—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements having at least one active switching element at the secondary side of an isolation transformer
- H02M3/33584—Bidirectional converters
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2207/00—Details of circuit arrangements for charging or discharging batteries or supplying loads from batteries
- H02J2207/20—Charging or discharging characterised by the power electronics converter
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
本发明公开了一种换电柜的锂电池智能充电控制系统，涉及换电柜技术领域，包括微控制模块，控制第一变换模块进行电能传输、功率调节、储能滤波、升压和双路变压且在第一变换模块停止电能传输时，控制第二变换模块进行电能传输、功率调节、储能滤波、升压和双路变压，在完成一个充电周期后，重新进行电能传输控制，实现对第一变换模块和第二变换模块不同时间段的电能变换调节控制，根据第一充电模块、第二充电模块、第三充电模块和第四充电模块的充电状态，由双向扩流模块对充电模块之间进行相互扩流处理。本发明换电柜的锂电池智能充电控制系统可避免在进行多路电能变换调节时，电流下降的情况，提高稳压恒流供电效率，提高充电速率。
The present invention discloses a lithium battery intelligent charging control system for a battery swap cabinet, which relates to the technical field of battery swap cabinets and includes a microcontroller module, which controls a first conversion module to perform power transmission, power regulation, energy storage filtering, voltage boosting, and dual-channel voltage transformation, and when the first conversion module stops power transmission, controls a second conversion module to perform power transmission, power regulation, energy storage filtering, voltage boosting, and dual-channel voltage transformation. After completing a charging cycle, power transmission control is performed again to achieve power conversion and regulation control of the first conversion module and the second conversion module in different time periods. According to the charging status of the first charging module, the second charging module, the third charging module, and the fourth charging module, the bidirectional current expansion module performs mutual current expansion processing between the charging modules. The lithium battery intelligent charging control system for the battery swap cabinet of the present invention can avoid the current drop when performing multi-channel power conversion and regulation, improve the efficiency of the voltage-stabilized constant-current power supply, and increase the charging rate.
Description
Technical Field
The invention relates to the technical field of battery changing cabinets, in particular to an intelligent lithium battery charging control system of a battery changing cabinet.
Background
The utility model provides a trade electric cabinet, an intelligent device for quick battery replacement service is provided to electronic two wheeler, user's accessible sweeps sign indicating number or APP operation, puts into the lithium cell of electronic two wheeler and carries out charge control in the cabinet, and the electric cabinet that trades among the prior art is for realizing the charge control to a plurality of lithium cells, generally possesses a plurality of battery bins, realizes the charge control to multiunit lithium cell, but when carrying out multiunit lithium cell and charge jointly, can reduce charging current, then reduces lithium cell charging efficiency, therefore remains to improve.
Disclosure of Invention
The embodiment of the invention provides an intelligent lithium battery charging control system of a battery changing cabinet, which aims to solve the problems in the background technology.
According to the embodiment of the invention, the lithium battery intelligent charging control system of the battery changing cabinet comprises a power supply module, a charging module and a charging module, wherein the power supply module is used for rectifying the accessed alternating current electric energy and outputting first electric energy;
The micro control module is connected with the first charging module, the second charging module, the third charging module, the fourth charging module, the bidirectional current expansion module, the first conversion module and the second conversion module, and is used for outputting a first control signal and a first regulating signal when the first charging module or the second charging module is charged, stopping outputting the first control signal when the charging voltage reaches the required voltage, outputting a second control signal and a second regulating signal when the third charging module or the fourth charging module is charged and stopping outputting the first control signal, stopping outputting the second control signal when the charging voltage reaches the required voltage, and outputting the first control signal again when the first conversion module completes a charging period, controlling the bidirectional current expansion module to perform current expansion processing on the first charging module and the fourth charging module according to the charging state of the first charging module, the second charging module, the third charging module and the fourth charging module, and performing current division processing on the first charging module, the second charging module, the third charging module or the fourth charging module according to the current expansion state;
The first conversion module is connected with the power supply module and is used for receiving a first control signal and transmitting first electric energy, receiving a first regulation signal, performing power regulation, energy storage filtering, boosting and double-path voltage transformation on the transmitted first electric energy, stopping the transmission of the first electric energy, performing boosting on the stored electric energy and outputting second electric energy;
the second conversion module is connected with the power supply module and is used for receiving a second control signal and transmitting first electric energy, receiving a second regulation signal, performing power regulation, energy storage filtering, boosting and double-path voltage transformation on the transmitted first electric energy, stopping transmitting the first electric energy, performing boosting on the stored electric energy and outputting third electric energy;
the first charging module is connected with the first conversion module and is used for rectifying, filtering and shunting the second electric energy and outputting fourth electric energy;
the second charging module is connected with the first conversion module and is used for rectifying, filtering and shunting the second electric energy and outputting fifth electric energy;
The third charging module is connected with the second conversion module and is used for rectifying, filtering and shunting the third electric energy and outputting sixth electric energy;
the fourth charging module is connected with the second conversion module and is used for rectifying, filtering and shunting the third electric energy and outputting seventh electric energy;
The bidirectional flow expansion module is connected with the first charging module, the second charging module, the third charging module and the fourth charging module and is used for controlling the fourth electric energy to perform flow expansion processing on the seventh electric energy or the seventh electric energy to perform flow expansion processing on the fourth electric energy and controlling the fifth electric energy to perform flow expansion processing on the sixth electric energy or the sixth electric energy to perform flow expansion processing on the fifth electric energy.
The micro-control module comprises a first controller, a second power tube, a third power tube, a first inductor, a first capacitor, a second capacitor, a third capacitor, a first diode, a second diode, a third inductor and a first transformer;
Preferably, the first end and the second end of the power interface are respectively connected with the first end and the second end of the first rectifier, the third end of the first rectifier is connected with the drain electrode of the first power tube, the source electrode of the first power tube is connected with the drain electrode of the third power tube and is connected with the source electrode of the second power tube and one end of the third capacitor through the first inductor, the other end of the third inductor is connected with the first end of the primary side of the first transformer, the second end of the primary side of the first transformer is connected with the cathode of the second diode, the anode of the first diode and one end of the third capacitor and is connected with the cathode of the first diode, one end of the first capacitor and the drain electrode of the second power tube through the second capacitor, the other end of the third capacitor is connected with the anode of the second diode, the other end of the first capacitor, the source electrode of the third power tube and the fourth end of the first rectifier, the grid electrode of the first power tube, the grid electrode of the second power tube and the IO1 end of the IO3 end of the first side of the first transformer are respectively connected with the first secondary side of the first transformer and the second secondary side of the first transformer are respectively connected with the first secondary charging module and the second secondary charging module.
As a still further proposal of the invention, the first charging module comprises a second rectifier, a fourth capacitor, a seventh power tube, a first resistor and a first interface;
Preferably, the first end and the second end of the second rectifier are respectively connected with the first end and the second end of the first secondary side of the first transformer, the third end of the second rectifier is connected with the drain electrode of the seventh power tube and one end of the first interface and is connected with the fourth end of the second rectifier, one end of the first resistor, the other end of the first interface and the ground end through a fourth capacitor, and the grid electrode of the seventh power tube is connected with the IO8 end of the first controller.
The second charging module comprises a third rectifier, a fifth capacitor, an eighth power tube, a second resistor and a second interface;
Preferably, the first end and the second end of the third rectifier are respectively connected with the first end and the second end of the second secondary side of the first transformer, the fourth end of the third rectifier is connected with the drain electrode of the eighth power tube and one end of the second interface and is connected with the fourth end of the third rectifier, one end of the eighth resistor, the other end of the second interface and the ground end through a fifth capacitor, the source electrode of the eighth power tube is connected with the other end of the second resistor, and the grid electrode of the eighth power tube is connected with the IO10 end of the first controller.
The second conversion module comprises a fourth power tube, a fifth power tube, a sixth power tube, an electric energy conversion device and a second transformer;
Preferably, the drain electrode of the fourth power tube is connected with the third end of the first rectifier, the source electrode of the fourth power tube is connected with the drain electrode of the fifth power tube and is connected with the source electrode of the sixth power tube and the second input end of the electric energy conversion device through the second inductor, the drain electrode of the sixth power tube is connected with the first input end of the electric energy conversion device, the source electrode of the fifth power tube is connected with the fourth end of the first rectifier, the grounding end of the electric energy conversion device is grounded, the first output end and the second output end of the electric energy conversion device are respectively connected with the first end and the second end of the primary side of the second transformer, and the first secondary side and the second secondary side of the second transformer are respectively connected with the third charging module and the fourth charging module.
The invention further provides a charging system, which comprises a third charging module, a second charging module and a third charging module, wherein the third charging module comprises a fourth rectifier, a sixth capacitor, a thirteenth power tube, a third resistor and a third interface;
Preferably, the first end and the second end of the fourth rectifier are respectively connected with the first end and the second end of the first secondary side of the second transformer, the third end of the fourth rectifier is connected with the drain electrode of the thirteenth power tube and the first end of the third interface, the source electrode of the thirteenth power tube is connected with the other end of the third interface, the other end of the sixth capacitor, the fourth end and the ground end of the first rectifier through a third resistor, the grid electrode of the thirteenth power tube is connected with the IO9 end of the first controller, the first input end and the second input end of the electric energy control device are respectively connected with the first end and the second end of the second secondary side of the second transformer, the output end of the electric energy control device is connected with one end of the fourth interface, the ground end of the electric energy control device is connected with the other end of the fourth interface, and the shunt end of the electric energy control device is connected with the IO7 end of the first controller.
As a still further scheme of the invention, the bidirectional current expansion module comprises a ninth power tube, a tenth power tube, an eleventh power tube and a twelfth power tube;
Preferably, the drain electrode of the ninth power tube is connected with the output end of the electric energy control device, the source electrode of the ninth power tube is connected with the source electrode of the tenth power tube, the drain electrode of the tenth power tube is connected with the third end of the second rectifier, the drain electrode of the eleventh power tube is connected with the third end of the fourth rectifier, the source electrode of the eleventh power tube is connected with the source electrode of the twelfth power tube, the drain electrode of the twelfth power tube is connected with the third end of the third rectifier, and the grid electrode of the ninth power tube, the grid electrode of the tenth power tube, the grid electrode of the eleventh power tube and the grid electrode of the twelfth power tube are respectively connected with the IO7 end, the IO8 end, the IO9 end and the IO10 end of the first controller.
Compared with the prior art, the intelligent lithium battery charging control system of the battery changing cabinet has the advantages that the micro control module can control the first conversion module to perform electric energy transmission, power adjustment, energy storage filtering, boosting and double-circuit voltage transformation adjustment, and when the first conversion module stops electric energy transmission, the second conversion module is controlled to start electric energy transmission, power adjustment, energy storage filtering, boosting and double-circuit voltage transformation adjustment, after the first conversion module completes one charging period, electric energy transmission control is performed again, electric energy conversion adjustment control of the first conversion module and the second conversion module in different time periods is achieved, current drop is avoided when electric energy conversion adjustment is performed simultaneously, constant-voltage constant-current power supply efficiency is improved, and according to the charging states of the first charging module, the second charging module, the third charging module and the fourth charging module, mutual current expansion processing is performed among the charging modules by the bidirectional current expansion module, and charging rate of the lithium battery is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic block diagram of a lithium battery intelligent charging control system of a battery changing cabinet according to an embodiment of the present invention.
Fig. 2 is a circuit diagram of a lithium battery intelligent charging control system of a battery changing cabinet provided by an embodiment of the invention.
Fig. 3 is a circuit diagram of a fourth charging module according to an embodiment of the invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In one embodiment, referring to fig. 1, an intelligent charging control system for a lithium battery of a battery changing cabinet includes:
Specifically, the power module 1 is configured to rectify the accessed ac power and output first power;
The micro control module 4 is connected with the first charging module 5, the second charging module 6, the third charging module 7, the fourth charging module 8, the bidirectional current spreading module 9, the first conversion module 2 and the second conversion module 3, and is used for outputting a first control signal and a first regulating signal when the first charging module 5 or the second charging module 6 is charged, stopping outputting the first control signal when the charging voltage reaches a required voltage, outputting a second control signal and a second regulating signal when the third charging module 7 or the fourth charging module 8 is charged and stopping outputting the first control signal, stopping outputting the second control signal when the charging voltage reaches the required voltage, re-outputting the first control signal when the first conversion module 2 is completed in a charging period, controlling the bidirectional current spreading module 9 to perform current spreading processing on the first charging module 5 and the fourth charging module 8 according to the charging state of the first charging module 5, the second charging module 6, the third charging module 7 and the fourth charging module 8, performing current spreading processing on the second charging module 6 and the third charging module 7 according to the charging state of the first charging module 5, the third charging module 8 and performing current spreading processing on the second charging module 7 or the fourth charging module 8 according to the charging state of the first conversion module 8;
The first conversion module 2 is connected with the power module 1 and is used for receiving a first control signal and transmitting first electric energy, receiving a first regulation signal, performing power regulation, energy storage filtering, boosting and double-path voltage transformation on the transmitted first electric energy, stopping the transmission of the first electric energy, performing boosting on the stored electric energy and outputting second electric energy;
The second conversion module 3 is connected with the power module 1 and is used for receiving a second control signal and transmitting first electric energy, receiving a second regulation signal and performing power regulation, energy storage filtering, boosting and double-path voltage transformation on the transmitted first electric energy, stopping the transmission of the first electric energy, boosting the stored electric energy and outputting third electric energy;
the first charging module 5 is connected with the first conversion module 2 and is used for rectifying, filtering and splitting the second electric energy and outputting fourth electric energy;
The second charging module 6 is connected with the first conversion module 2 and is used for rectifying, filtering and splitting the second electric energy and outputting fifth electric energy;
the third charging module 7 is connected with the second conversion module 3 and is used for rectifying, filtering and splitting the third electric energy and outputting sixth electric energy;
the fourth charging module 8 is connected with the second conversion module 3 and is used for rectifying, filtering and splitting the third electric energy and outputting seventh electric energy;
The bidirectional flow expansion module 9 is connected with the first charging module 5, the second charging module 6, the third charging module 7 and the fourth charging module 8 and is used for controlling the fourth electric energy to perform flow expansion processing on the seventh electric energy or the seventh electric energy to perform flow expansion processing on the fourth electric energy and controlling the fifth electric energy to perform flow expansion processing on the sixth electric energy or the sixth electric energy to perform flow expansion processing on the fifth electric energy.
In a specific embodiment, the power module 1 may be a power circuit composed of a power interface and a rectifier, and may be connected to ac power and perform rectification processing; the first conversion module 2 can adopt a first conversion circuit formed by a field effect transistor, a capacitor, an inductor, a transformer and the like, can perform electric energy transmission, performs power regulation, energy storage filtering, boosting and double-path voltage transformation on the transmitted electric energy, stops the electric energy transmission after the output electric energy reaches the required electric energy, namely charging voltage, and performs boosting and double-path voltage transformation on the stored electric energy; the second conversion module 3 can adopt a second conversion circuit composed of a field effect transistor, a capacitor, an inductor, a transformer and the like, can perform power transmission, energy storage filtering, boosting and double-path transformation treatment on the transmitted electric energy, stops the electric energy transmission after the output electric energy reaches required electric energy, namely charging voltage, and then performs boosting and double-path transformation treatment on the stored electric energy, the micro control module 4 can adopt a micro control circuit composed of a singlechip, integrates a plurality of components such as an arithmetic unit, a controller, a memory, an input/output device and the like, realizes functions of signal processing, data storage, module control, timing control and the like, the first charging module 5 can adopt a first charging circuit composed of a rectifier, a field effect transistor and a resistor, can perform rectifying and filtering on the input electric energy and supply power to a connected lithium battery, can perform shunt power supply when the input electric energy is not connected with the lithium battery, the second charging module 6 can adopt a second charging circuit composed of the rectifier, the field effect transistor and the resistor, can perform rectifying and filtering on the input electric energy and supply power to the connected lithium battery when the input electric energy is not connected with the lithium battery, the third charging module 7 can adopt a third charging circuit formed by a rectifier, a field effect tube and a resistor, can carry out rectifying and filtering on input electric energy and supply power for a connected lithium battery, and can carry out splitting and supplying power when the third charging module is not connected with the lithium battery, the fourth charging module 8 can adopt a fourth charging circuit formed by the rectifier, the field effect tube and the resistor, can carry out rectifying and filtering on the input electric energy and supply power for the connected lithium battery, and can carry out splitting and supplying power when the third charging module is not connected with the lithium battery, the bidirectional current expansion module 9 can adopt a bidirectional current expansion circuit formed by the field effect tube, can carry out bidirectional transmission control on the electric energy, realizes that the first charging module 5 carries out current expansion treatment on the fourth charging module 8 or the fourth charging module 8 carries out current expansion treatment on the first charging module 5, and realizes that the second charging module 6 carries out current expansion treatment on the third charging module 7 or the third charging module 7.
In another embodiment, referring to fig. 1,2 and 3, the power module 1 includes a power interface and a first rectifier T1, the first conversion module 2 includes a first power tube Q1, a second power tube Q2, a third power tube Q3, a first inductor L1, a first capacitor C1, a second capacitor C1, a third capacitor C3, a first diode D1, a second diode D2, a third inductor L3 and a first transformer B1, and the micro-control module 4 includes a first controller U1;
Specifically, the first end and the second end of the power interface are respectively connected to the first end and the second end of the first rectifier T1, the third end of the first rectifier T1 is connected to the drain electrode of the first power tube Q1, the source electrode of the first power tube Q1 is connected to the drain electrode of the third power tube Q3 and is connected to the source electrode of the second power tube Q2 and one end of the third capacitor C3 through the first inductor L1, the other end of the third inductor L3 is connected to the first end of the primary side of the first transformer B1, the second end of the primary side of the first transformer B1 is connected to the cathode of the second diode D2, the anode of the first diode D1 and one end of the third capacitor C3 are connected to the cathode of the first diode D1, one end of the first capacitor C1 and the drain electrode of the second power tube Q2 through the second capacitor C1, the other end of the third capacitor C3 is connected to the anode of the second diode D2, the other end of the first capacitor C1, the source electrode of the third power tube Q3 and the first end of the first rectifier T1, the second end of the first diode Q1, the first end of the second diode Q1 and the first secondary side of the second diode Q1 are connected to the first end of the second secondary power tube Q1 and the second secondary side of the second IO1 and the second secondary side of the second power tube Q1 and the second IO1 is connected to the first end of the second secondary power tube, and the second IO1 and the second secondary side of the charging module is connected to the first terminal 1 and the second terminal of the charging module and 3.
In a specific embodiment, the first controller U1 may be an STM32 single chip microcomputer, the first power tube Q1, the second power tube Q2 and the third power tube Q3 may be N-channel field effect tubes, where the first power tube Q1 performs power transmission control, and cooperates with the second power tube Q2 and the first inductor L1 to perform power adjustment processing, and the third power tube Q3 is turned on to reduce the flux linkage of the first transformer B1, reduce the temperature, and complete a charging cycle, and the second capacitor C1, the first diode D1, the third capacitor C3, the second diode D2, the third inductor L3 and the first transformer B1 perform resonance adjustment processing to implement energy storage filtering and boosting transformation processing.
Further, the first charging module 5 includes a second rectifier T2, a fourth capacitor C4, a seventh power transistor Q7, a first resistor R1, and a first interface;
Specifically, the first end and the second end of the second rectifier T2 are respectively connected to the first end and the second end of the first secondary side of the first transformer B1, the third end of the second rectifier T2 is connected to the drain of the seventh power tube Q7 and one end of the first interface and is connected to the fourth end of the second rectifier T2, one end of the first resistor R1, the other end of the first interface and the ground end through the fourth capacitor C4, and the gate of the seventh power tube Q7 is connected to the IO8 end of the first controller U1.
In a specific embodiment, the seventh power tube Q7 may be an N-channel field effect tube, and is matched with the first resistor R1 to perform the shunt processing, and the first interface is connected with the charging end of the lithium battery.
Further, the second charging module 6 includes a third rectifier T3, a fifth capacitor C5, an eighth power transistor Q8, a second resistor R2, and a second interface;
Specifically, the first end and the second end of the third rectifier T3 are respectively connected to the first end and the second end of the second secondary side of the first transformer B1, the fourth end of the third rectifier T3 is connected to the drain of the eighth power tube Q8 and one end of the second interface and is connected to the fourth end of the third rectifier T3, one end of the eighth resistor, the other end of the second interface and the ground end through the fifth capacitor C5, the source of the eighth power tube Q8 is connected to the other end of the second resistor R2, and the gate of the eighth power tube Q8 is connected to the IO10 end of the first controller U1.
In a specific embodiment, the eighth power tube Q8 may be an N-channel field effect tube, and is matched with a second resistor R2 to perform current spreading treatment, and the second interface is connected with a charging end of the lithium battery.
Further, the second conversion module 3 includes a fourth power tube Q4, a fifth power tube Q5, a sixth power tube Q6, an electric energy conversion device and a second transformer B2;
Specifically, the drain electrode of the fourth power tube Q4 is connected to the third end of the first rectifier T1, the source electrode of the fourth power tube Q4 is connected to the drain electrode of the fifth power tube Q5 and is connected to the source electrode of the sixth power tube Q6 and the second input end of the power conversion device through the second inductor, the drain electrode of the sixth power tube Q6 is connected to the first input end of the power conversion device, the source electrode of the fifth power tube Q5 is connected to the fourth end of the first rectifier T1, the ground of the power conversion device is grounded, the first output end and the second output end of the power conversion device are respectively connected to the first end and the second end of the primary side of the second transformer B2, and the first secondary side and the second secondary side of the second transformer B2 are respectively connected to the third charging module 7 and the fourth charging module 8.
In a specific embodiment, the fourth power transistor Q4, the fifth power transistor Q5 and the sixth power transistor Q6 are all N-channel field effect transistors, wherein the fourth power transistor Q4 performs power transmission control, and cooperates with the sixth power transistor Q6 and the second inductor to perform power adjustment, and the conduction of the fifth power transistor Q5 can reduce the flux linkage of the second transformer B2, reduce the temperature and complete a charging cycle, and the circuit composition structure of the electric energy conversion device is the same as the circuit composition structure of the first capacitor C1, the second capacitor C1, the third capacitor C3, the first diode D1, the second diode D2 and the third inductor L3.
Further, the third charging module 7 comprises a fourth rectifier T4, a sixth capacitor C6, a thirteenth power tube Q13, a third resistor R3 and a third interface, and the fourth charging module 8 comprises an electric energy control device and a fourth interface;
Specifically, the first end and the second end of the fourth rectifier T4 are respectively connected to the first end and the second end of the first secondary side of the second transformer B2, the third end of the fourth rectifier T4 is connected to the drain of the thirteenth power tube Q13 and the first end of the third interface, the source of the thirteenth power tube Q13 is connected to the other end of the third interface, the other end of the sixth capacitor C6, the fourth end and the ground end of the first rectifier T1 through the third resistor R3, the gate of the thirteenth power tube Q13 is connected to the IO9 end of the first controller U1, the first input end and the second input end of the electric energy control device are respectively connected to the first end and the second end of the second secondary side of the second transformer B2, the output end of the electric energy control device is connected to one end of the fourth interface, the ground end of the electric energy control device is connected to the other end of the fourth interface, and the shunt end of the electric energy control device is connected to the IO7 end of the first controller U1.
In a specific embodiment, the thirteenth power tube Q13 may be an N-channel field effect tube, and is matched with the third resistor R3 to perform the shunt processing, the third interface and the fourth interface may be both connected to the charging end of the lithium battery, and the circuit composition structure of the electric energy control device is the same as the circuit composition structure of the fourth rectifier T4, the sixth capacitor C6, the thirteenth power tube Q13, and the third resistor R3.
Further, the bidirectional current spreading module 9 includes a ninth power tube Q9, a tenth power tube Q10, an eleventh power tube Q11, and a twelfth power tube Q12;
Specifically, the drain electrode of the ninth power tube Q9 is connected to the output end of the electric energy control device, the source electrode of the ninth power tube Q9 is connected to the source electrode of the tenth power tube Q10, the drain electrode of the tenth power tube Q10 is connected to the third end of the second rectifier T2, the drain electrode of the eleventh power tube Q11 is connected to the third end of the fourth rectifier T4, the source electrode of the eleventh power tube Q11 is connected to the source electrode of the twelfth power tube Q12, the drain electrode of the twelfth power tube Q12 is connected to the third end of the third rectifier T3, and the gate electrodes of the ninth power tube Q9, the tenth power tube Q10, the eleventh power tube Q11 and the twelfth power tube Q12 are respectively connected to the IO7 end, the IO8 end, the IO9 end and the IO10 end of the first controller U1.
In a specific embodiment, the ninth power transistor Q9, the tenth power transistor Q10, the eleventh power transistor Q11, and the twelfth power transistor Q12 may be N-channel field effect transistors, which all perform power transmission control.
In the lithium battery intelligent charging control system of the battery-changing cabinet of the embodiment, the power supply interface is connected with alternating current electric energy, the first rectifier T1 carries out rectification treatment and outputs first electric energy, when the first charging module 5 or the second charging module 6 carries out charging, the IO1 end of the first controller U1 outputs a first control signal, the first power tube Q1 can be controlled to be conducted, then the first electric energy is transmitted, the IO2 end of the first controller U1 outputs a first adjusting signal and controls the second power tube Q2 to be conducted, the first inductor L1 stores energy and supplies power, the first capacitor C1, the second capacitor C1 and the third capacitor C3 carry out energy storage and filtering, the first transformer B1 carries out boosting treatment and outputs second electric energy, and when the second electric energy reaches required voltage, namely charging voltage, the first controller U1 stops outputting the first control signal, and at the moment, the first electric energy is stopped being transmitted, the first capacitor C1 is used for storing energy and filtering, The second capacitor C1 and the third capacitor C3 are matched with the first inductor L1 to discharge, the first transformer B1 performs transformation and maintains the supply of charging voltage, after the first inductor L1 finishes discharging, the IO3 end of the first controller U1 outputs a first adjusting signal and controls the third power tube Q3 to be conducted, the flux linkage of the first transformer B1 is reduced, the temperature is reduced, a charging period is completed, and similarly, when the third charging module 7 or the fourth charging module 8 charges, the first controller U1 can control the conduction states of the fourth power tube Q4, the fifth power tube Q5 and the sixth power tube Q6, and the electric energy conversion device is matched to realize electric energy transmission, power regulation, energy storage filtering, The boosting and double-path voltage transformation processing and circuit temperature reduction are needed, when the first controller U1 stops outputting the first control signal, the second transformation module 3 starts to perform electric energy transmission, and retransmits the first electric energy after the first transformation module 2 completes a charging period, at this time, the second transformation module 3 is in a disconnected state with the power supply module 1, so as to realize the alternate power consumption control of the first transformation module 2 and the second transformation module 3 on the power supply module 1, and then provide constant power supply, the output second electric energy can be subjected to rectification filtering processing through the second rectifier T2 and the fourth capacitor C4 and transmitted to the first interface, the third electric energy is subjected to rectification filtering processing through the third rectifier T3 and the fifth capacitor C5 and transmitted to the second interface, the output third electric energy is subjected to rectification filtering processing through the electric energy control device and transmitted to the fourth interface, the fourth rectifier T4 and the sixth capacitor C6 are used for rectifying and filtering treatment and transmitting the treatment to the third interface, the first interface is connected with the lithium battery or the second interface is connected with the lithium battery, when the third interface is not connected with the lithium battery, the IO9 end of the first controller U1 can control the conduction of the thirteenth power tube Q13 and the eleventh power tube Q11, the third resistor R3 is matched for carrying out shunt treatment and expanding the flow of the second interface, when the fourth interface is not connected with the lithium battery, the IO7 end of the first controller U1 can control the electric energy control device to carry out shunt, the ninth power tube Q9 is controlled to be conducted and expanding the flow of the first interface, the third interface is connected with the lithium battery or the fourth interface, the first interface is not connected with the lithium battery, the first charging module 5 can carry out expanding the flow of the fourth charging module 8, the second interface is not connected with the lithium battery, the third charging module 7 may be current-expanded by the second charging module 6.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (4)
1. The utility model provides a lithium cell intelligent charging control system of trading electric cabinet which characterized in that, this system includes:
The power module is used for rectifying the accessed alternating current electric energy and outputting first electric energy;
The micro control module is connected with the first charging module, the second charging module, the third charging module, the fourth charging module, the bidirectional current expansion module, the first conversion module and the second conversion module, and is used for outputting a first control signal and a first regulating signal when the first charging module or the second charging module is charged, stopping outputting the first control signal when the charging voltage reaches the required voltage, outputting a second control signal and a second regulating signal when the third charging module or the fourth charging module is charged and stopping outputting the first control signal, stopping outputting the second control signal when the charging voltage reaches the required voltage, and outputting the first control signal again when the first conversion module completes a charging period, controlling the bidirectional current expansion module to perform current expansion processing on the first charging module and the fourth charging module according to the charging state of the first charging module, the second charging module, the third charging module and the fourth charging module, and performing current division processing on the first charging module, the second charging module, the third charging module or the fourth charging module according to the current expansion state;
The first conversion module is connected with the power supply module and is used for receiving a first control signal and transmitting first electric energy, receiving a first regulation signal, performing power regulation, energy storage filtering, boosting and double-path voltage transformation on the transmitted first electric energy, stopping the transmission of the first electric energy, performing boosting on the stored electric energy and outputting second electric energy;
the second conversion module is connected with the power supply module and is used for receiving a second control signal and transmitting first electric energy, receiving a second regulation signal, performing power regulation, energy storage filtering, boosting and double-path voltage transformation on the transmitted first electric energy, stopping transmitting the first electric energy, performing boosting on the stored electric energy and outputting third electric energy;
the first charging module is connected with the first conversion module and is used for rectifying, filtering and shunting the second electric energy and outputting fourth electric energy;
the second charging module is connected with the first conversion module and is used for rectifying, filtering and shunting the second electric energy and outputting fifth electric energy;
The third charging module is connected with the second conversion module and is used for rectifying, filtering and shunting the third electric energy and outputting sixth electric energy;
the fourth charging module is connected with the second conversion module and is used for rectifying, filtering and shunting the third electric energy and outputting seventh electric energy;
The bidirectional flow expansion module is connected with the first charging module, the second charging module, the third charging module and the fourth charging module and is used for controlling the fourth electric energy to perform flow expansion processing on the seventh electric energy or the seventh electric energy to perform flow expansion processing on the fourth electric energy and controlling the fifth electric energy to perform flow expansion processing on the sixth electric energy or the sixth electric energy to perform flow expansion processing on the fifth electric energy;
The micro-control module comprises a first controller, a second power tube, a third power tube, a fourth power tube, a fifth power tube, an electric energy conversion device and a second transformer;
The drain electrode of the fourth power tube is connected with the third end of the first rectifier, the source electrode of the fourth power tube is connected with the drain electrode of the fifth power tube and is connected with the source electrode of the sixth power tube and the second input end of the electric energy conversion device through the second inductor, the drain electrode of the sixth power tube is connected with the first input end of the electric energy conversion device, the source electrode of the fifth power tube is connected with the fourth end of the first rectifier, the grounding end of the electric energy conversion device is grounded, the first output end and the second output end of the electric energy conversion device are respectively connected with the first end and the second end of the primary side of the second transformer, and the first secondary side and the second secondary side of the second transformer are respectively connected with the third charging module and the fourth charging module;
the third charging module comprises a fourth rectifier, a sixth capacitor, a thirteenth power tube, a third resistor and a third interface, and comprises an electric energy control device and a fourth interface;
The first end and the second end of the fourth rectifier are respectively connected with the first end and the second end of the first secondary side of the second transformer, the third end of the fourth rectifier is connected with the drain electrode of the thirteenth power tube and the first end of the third interface, the source electrode of the thirteenth power tube is connected with the other end of the third interface, the other end of the sixth capacitor, the fourth end and the ground end of the first rectifier through a third resistor, the grid electrode of the thirteenth power tube is connected with the IO9 end of the first controller, the first input end and the second input end of the electric energy control device are respectively connected with the first end and the second end of the second secondary side of the second transformer, the output end of the electric energy control device is connected with one end of the fourth interface, the ground end of the electric energy control device is connected with the other end of the fourth interface, and the shunt end of the electric energy control device is connected with the IO7 end of the first controller;
The bidirectional current expansion module comprises a ninth power tube, a tenth power tube, an eleventh power tube and a twelfth power tube;
The drain electrode of the ninth power tube is connected with the output end of the electric energy control device, the source electrode of the ninth power tube is connected with the source electrode of the tenth power tube, the drain electrode of the tenth power tube is connected with the third end of the second rectifier, the drain electrode of the eleventh power tube is connected with the third end of the fourth rectifier, the source electrode of the eleventh power tube is connected with the source electrode of the twelfth power tube, the drain electrode of the twelfth power tube is connected with the third end of the third rectifier, and the grid electrode of the ninth power tube, the grid electrode of the tenth power tube, the grid electrode of the eleventh power tube and the grid electrode of the twelfth power tube are respectively connected with the IO7 end, the IO8 end, the IO9 end and the IO10 end of the first controller.
2. The intelligent lithium battery charging control system of the battery-changing cabinet according to claim 1, wherein the power module comprises a power interface and a first rectifier, and the first conversion module comprises a first power tube, a second power tube, a third power tube, a first inductor, a first capacitor, a second capacitor, a third capacitor, a first diode, a second diode, a third inductor and a first transformer;
The first end and the second end of the power interface are respectively connected with the first end and the second end of the first rectifier, the third end of the first rectifier is connected with the drain electrode of the first power tube, the source electrode of the first power tube is connected with the drain electrode of the third power tube and is connected with the source electrode of the second power tube and one end of the third capacitor through the first inductor, the other end of the third inductor is connected with the first end of the primary side of the first transformer, the second end of the primary side of the first transformer is connected with the cathode of the second diode, the anode of the first diode and one end of the third capacitor and is connected with the cathode of the first diode, one end of the first capacitor and the drain electrode of the second power tube through the second capacitor, the other end of the third capacitor is connected with the anode of the second diode, the other end of the first capacitor, the source electrode of the third power tube and the fourth end of the first rectifier, the grid electrode of the second power tube and the grid electrode of the third power tube are respectively connected with the IO1 end, 2 end and IO3 end of the primary side of the first transformer, and the first secondary side and the second secondary side of the first transformer are respectively connected with the first secondary charging module and the second secondary charging module.
3. The intelligent lithium battery charging control system of a battery-changing cabinet according to claim 2, wherein the first charging module comprises a second rectifier, a fourth capacitor, a seventh power tube, a first resistor and a first interface;
The first end and the second end of the second rectifier are respectively connected with the first end and the second end of the first secondary side of the first transformer, the third end of the second rectifier is connected with the drain electrode of the seventh power tube and one end of the first interface and is connected with the fourth end of the second rectifier, one end of the first resistor, the other end of the first interface and the ground end through a fourth capacitor, and the grid electrode of the seventh power tube is connected with the IO8 end of the first controller.
4. The intelligent lithium battery charging control system of a battery-changing cabinet according to claim 3, wherein the second charging module comprises a third rectifier, a fifth capacitor, an eighth power tube, a second resistor and a second interface;
The first end and the second end of the third rectifier are respectively connected with the first end and the second end of the second secondary side of the first transformer, the fourth end of the third rectifier is connected with the drain electrode of the eighth power tube and one end of the second interface and is connected with the fourth end of the third rectifier, one end of the eighth resistor, the other end of the second interface and the ground end through a fifth capacitor, the source electrode of the eighth power tube is connected with the other end of the second resistor, and the grid electrode of the eighth power tube is connected with the IO10 end of the first controller.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118868269A (en) * | 2023-04-18 | 2024-10-29 | 北京骑胜科技有限公司 | A charging and battery swapping cabinet and charging method |
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| DE102017124469B4 (en) * | 2017-09-28 | 2021-10-14 | Engeln & Masnitza & Wagner GbR (vertretungsberechtigte Gesellschafter Michael Masnitza, 90473 Nürnberg, Tobias Wagner, 81735 München, Johannes Engeln A, 85053 Ingolstadt) | Modular device for time-shifted charging of several electric vehicles at one charging station |
| CN221293026U (en) * | 2023-12-22 | 2024-07-09 | 北京骑胜科技有限公司 | Electricity changing cabinet |
| CN221669600U (en) * | 2024-02-02 | 2024-09-06 | 惠州市超力源科技有限公司 | Intelligent charging system for power exchange cabinet and power exchange cabinet |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118868269A (en) * | 2023-04-18 | 2024-10-29 | 北京骑胜科技有限公司 | A charging and battery swapping cabinet and charging method |
Non-Patent Citations (1)
| Title |
|---|
| DC-DC 变换器分层级构造方法;张 洋;《电 工 技 术 学 报》;20231031;第38卷(第20期);第5483页，左栏第1行-右栏最后1行，附图20 * |
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