CN114389346A - Multi-path power supply device of battery replacing cabinet - Google Patents
Multi-path power supply device of battery replacing cabinet Download PDFInfo
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- CN114389346A CN114389346A CN202210279978.0A CN202210279978A CN114389346A CN 114389346 A CN114389346 A CN 114389346A CN 202210279978 A CN202210279978 A CN 202210279978A CN 114389346 A CN114389346 A CN 114389346A
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- power supply
- battery
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- charging
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
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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
- B60L53/80—Exchanging energy storage elements, e.g. removable batteries
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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
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
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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
- H02J7/04—Regulation of charging current or voltage
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
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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
- H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J2207/40—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries adapted for charging from various sources, e.g. AC, DC or multivoltage
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a multi-path power supply device of a battery replacing cabinet, which relates to the technical field of charging equipment and comprises the following components: the input power supply module is used for providing electric energy; the voltage regulation module is used for regulating voltage; the intelligent control module is used for receiving the signal output by the module and controlling the module to work; the first charging control module and the second charging control module are used for controlling sectional type multi-path energy storage work and constant-current multi-path output electric energy of the energy storage battery in the power exchange cabinet and are used for detecting state information and fault information of the energy storage battery; and the path fault identification module is used for processing the fault information. The multi-path power supply device of the power exchange cabinet adopts a mains voltage and solar power supply mode, the cruising ability of the power exchange cabinet is increased, the voltage adjusting module carries out primary power supply multi-path output, the first charging control module adopts sectional multi-path power supply to further carry out charging control on energy storage batteries of the same type, and meanwhile fault detection is carried out on multi-path output electric energy, so that the power supply safety is improved.
Description
Technical Field
The invention relates to the technical field of charging equipment, in particular to a multi-path power supply device of a battery replacement cabinet.
Background
The utility model provides a trade electricity cabinet also known as sharing battery cabinet, be to the quick battery replacement product that trades that the storage battery car of going out for a long time use crowd released, can help the user to carry out the battery fast with trading, the phenomenon of outage appears in the storage battery car when the prevention is gone out, then better service society, current trade electricity cabinet adopts solitary fault detection to the energy storage battery of trading electricity cabinet, the hardware circuit part volume that leads to trading the electricity cabinet is great, and because need long-term work, lead to trading the electricity cabinet to break down easily, the power output of trading the electricity cabinet is unanimous, adopt unified electric energy to charge to different rechargeable batteries, lead to few to the selectivity of energy storage battery, when the power consumption demand is big, the power supply capacity of rated operating power restriction trade electricity cabinet, it is not enough to the suitability of energy storage battery, and power supply mode for energy storage battery is single.
Disclosure of Invention
The embodiment of the invention provides a multi-path power supply device of a battery replacement cabinet, which aims to solve the problems in the background technology.
According to an embodiment of the present invention, a multi-path power supply device for a power exchange cabinet is provided, the multi-path power supply device for the power exchange cabinet includes: the intelligent charging control system comprises an input power supply module, a voltage regulation module, an intelligent control module, a first charging control module, a second charging control module and a path fault identification module;
the input power supply module is connected with the intelligent control module, is used for converting solar energy into direct current and outputting a first direct current, is used for rectifying and filtering electric energy output by mains voltage and outputting a second direct current, is used for performing DC-DC conversion on the first direct current and the second direct current and outputting first electric energy, is used for receiving and storing the first electric energy and is used for providing standby electric energy;
the voltage regulating module is connected with the input power supply module and is used for regulating, rectifying, filtering and outputting the first electric energy output by the input power supply module;
the intelligent control module is used for controlling the work of the input power supply module through an MPPT algorithm, receiving signals output by each module, outputting control signals and controlling the work of each module;
the first charging control module and the second charging control module are connected with the voltage regulating module, are used for receiving electric energy output by the voltage regulating module, are connected with the intelligent control module, are used for receiving control signals output by the intelligent control module, improving the driving capability of the control signals and controlling the sectional type multi-path energy storage work of energy storage batteries in the power conversion cabinet, are used for carrying out constant-current multi-path output electric energy, are used for installing energy storage batteries required to be charged, are used for detecting fault information of the energy storage batteries and are used for detecting the states of the energy storage batteries;
and the path fault identification module is connected with the intelligent control module, the first charging control module and the second charging control module and is used for amplifying the fault information and transmitting the fault information to the intelligent control module.
Compared with the prior art, the invention has the beneficial effects that: the multi-path power supply device of the power exchange cabinet adopts mains voltage and solar energy as the power supply mode of the power exchange cabinet, provides multi-element power supply simulation for the power exchange cabinet, avoids shutdown of the power exchange cabinet caused by power failure of a single power supply, increases the cruising ability of the power exchange cabinet, performs primary power supply multi-path output by adopting the voltage regulating module, provides different voltage environments required for the charging batteries of the first charging control module and the second charging control module, improves the power supply ability of the power exchange cabinet when the power demand is high, further performs charging control on the same type of energy storage batteries by adopting sectional multi-path power supply for the first charging control module, improves the control precision of the energy storage batteries, performs fault detection on multi-path output electric energy, and improves the power supply safety of the power exchange cabinet.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a schematic block diagram of a multi-path power supply device of a power exchange cabinet according to an embodiment of the present invention.
Fig. 2 is a schematic connection diagram of a first charging control module according to an embodiment of the present invention.
Fig. 3 is a schematic connection diagram of a first battery charging unit according to an embodiment of the present invention.
Fig. 4 is a connection circuit diagram of a multi-path power supply device of the power exchange cabinet according to the embodiment of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a multi-path power supply device of a power exchange cabinet includes: the intelligent charging control system comprises an input power module 1, a voltage regulating module 2, an intelligent control module 3, a first charging control module 4, a second charging control module 5 and a path fault identification module 6;
specifically, the input power module 1 is connected to the intelligent control module 3, and is configured to convert solar energy into direct current and output first direct current, rectify and filter electric energy output by mains voltage and output second direct current, perform DC-DC conversion on the first direct current and the second direct current and output first electric energy, receive and store the first electric energy output by the voltage conversion unit 102, and provide standby electric energy;
the voltage regulating module 2 is connected with the input power supply module 1 and is used for regulating, rectifying and filtering the voltage of the first electric energy output by the input power supply module 1 and outputting the first electric energy;
the intelligent control module 3 is used for controlling the work of the input power supply module 1 through an MPPT algorithm, receiving signals output by each module, outputting control signals and controlling the work of each module;
the first charging control module 4 and the second charging control module 5 are connected with the voltage regulating module 2, are used for receiving electric energy output by the voltage regulating module 2, are connected with the intelligent control module 3, are used for receiving control signals output by the intelligent control module 3, improving the driving capability of the control signals and controlling the sectional type multi-path energy storage work of the energy storage battery in the power conversion cabinet, are used for carrying out constant-current multi-path output electric energy, are used for installing the energy storage battery to be charged, are used for detecting fault information of the energy storage battery and are used for detecting the state of the energy storage battery;
and the path fault identification module 6 is connected with the intelligent control module 3, the first charging control module 4 and the second charging control module 5, and is used for amplifying the fault information and transmitting the fault information to the intelligent control module 3.
In a specific embodiment, the input power module 1 supplies power by using a mains voltage and solar energy mode, the standby power supply stores energy for standby, and performs AC-DC and DC-DC processing on electric energy; the voltage regulating module 2 can adopt a high-frequency transformer to regulate and multiplex output the input electric energy; the intelligent control module 3 can adopt, but is not limited to microcontroller such as a single chip microcomputer and a Digital Signal Processor (DSP), and the like to realize processing calculation of input signals and control the work of each module; the first charging control module 4 and the second charging control module 5 are output ends of a power supply, and are specifically illustrated in fig. 2, 3 and 4; the path fault identification module 6 can identify faults by using an amplifying circuit composed of operational amplifiers.
In the present embodiment, referring to fig. 2 and fig. 3, the first charging control module 4 includes a charging driving unit 401, a first battery charging unit 402, and a second battery charging unit 403;
specifically, the charging driving unit 401 is configured to receive a control signal output by the intelligent control module 3 and improve driving capability of the control signal, and is configured to drive the first battery charging unit 402 and the second battery charging unit 403 to operate;
the first battery charging unit 402 and the second battery charging unit 403 are both used for installing energy storage batteries to be charged, both used for receiving control signals output by the intelligent control module 3 and controlling energy storage work of the energy storage batteries, both used for detecting fault information of the energy storage batteries, and both used for detecting states of the energy storage batteries;
the charging driving unit 401, one end of the first battery charging unit 402 and one end of the second battery charging unit 403 are all connected to the intelligent control module 3, and the other end of the first battery charging unit 402 and the other end of the second battery charging unit 403 are all connected to the access failure recognition module 6.
In a specific embodiment, the charging driving unit 401 may adopt an operational amplifier circuit to improve the driving capability of the intelligent control module 3 for outputting the control signal, and then drive the power transistor to operate; the first battery charging unit 402 and the second battery charging unit 403 respectively supply power to the energy storage battery and can be used as power supplies of one energy storage battery, it should be noted that the first charging control module 4 is not limited to the first battery charging unit 402 and the second battery charging unit 403 to supply power to the energy storage battery, and the power supply of the energy storage battery can be expanded according to needs, and the expanded circuits are the same as the circuit structure of the first battery charging unit 402.
Further, the circuit configuration of the second charging control module 5 is the same as that of the first charging control module 4.
Further, the first battery charging unit 402 includes a charging path control circuit 4021, a first detection circuit 4022, a battery state identification circuit 4023, and a battery mounting circuit 4024;
a battery mounting circuit 4024 for mounting an energy storage battery to be charged;
the charging path control circuit 4021 is configured to receive the control signal output by the intelligent control module 3 and control energy storage operation of the energy storage battery in the battery arrangement circuit 4024;
the first detection circuit 4022: for detecting failure information in the battery mounting circuit 4024;
the battery state identification circuit 4023 is used for detecting the state of the energy storage battery;
one end of the charging path control circuit 4021, one end of the first detection circuit 4022, and one end of the battery state identification circuit 4023 are connected to the intelligent control module 3, and the other end of the charging path control circuit 4021, the other end of the first detection circuit 4022, and the other end of the battery state identification circuit 4023 are connected to the battery installation circuit 4024.
In a specific embodiment, the charging path control circuit 4021 may adopt an impedance compensation circuit mode, and the intelligent control module 3 controls the operation of the battery installation circuit 4024; the first detection circuit 4022 can detect the output electric energy condition through a voltage regulator tube in a mode of matching the voltage regulator tube with an isolation transmission circuit, and the output electric energy condition is isolated and transmitted by the isolation transmission circuit; the battery state identification circuit 4023 may adopt, but is not limited to, a pressure detection circuit, a level detection circuit, and other detection circuits to detect whether an energy storage battery is placed in the charging slot; the battery mounting circuit 4024 may fix the energy storage battery by using a charging slot, which is not described in detail.
In this embodiment, referring to fig. 4, the input power module 1 includes a commercial voltage and solar energy conversion unit 101, a voltage conversion unit 102, and a standby power unit 103;
specifically, the solar energy conversion unit 101 is configured to convert solar energy into direct current and regulate the output direct current;
the voltage conversion unit 102 is used for rectifying and filtering electric energy output by mains voltage and outputting direct current, and is used for performing DC-DC conversion on the direct current output by the solar energy conversion unit 101 and the direct current after the mains voltage processing and outputting first electric energy;
a standby power supply unit 103 for receiving and storing the first power output by the voltage conversion unit 102 and providing standby power;
the output end of the commercial voltage and the output end of the solar energy conversion unit 101 are both connected with the input end of the voltage conversion unit 102, the first output end of the voltage conversion unit 102 is connected with the voltage regulation module 2, and the second output end of the voltage conversion unit 102 is connected with the standby power supply unit 103.
In a specific embodiment, the solar energy conversion unit 101 can adopt, but is not limited to, a cell panel such as a monocrystalline silicon cell panel, a polycrystalline silicon cell panel, a thin film solar cell panel, etc. to realize conversion of solar energy; the voltage conversion unit 102 adopts a rectification, filtering and voltage transformation circuit to realize the processing of the mains voltage, and also adopts a double-Boost circuit to realize the processing of the solar energy conversion electric energy; the standby power supply unit 103 may adopt a standby power supply and a charger to store and output standby electric energy, which is not described in detail.
Further, the voltage regulation module 2 includes a first transformer W1, a second transformer W2, a third transformer W3, a first diode D1, a first capacitor C1, a second capacitor C2, and a first resistor R1;
specifically, a first end and a second end of the first transformer W1 are both connected to the voltage conversion unit 102, a first end of the second transformer W2 is connected to an anode of the first diode D1 and is connected to a cathode of the first diode D1 and one end of the first capacitor C1 sequentially through the first resistor R1 and the second capacitor C2, the other end of the first capacitor C1 and the second end of the second transformer W2 are both grounded, and a first end and a second end of the third transformer W3 are both connected to the second charging control module 5.
In a specific embodiment, the first transformer W1 is a primary side, the second transformer W2 and the third transformer W3 are both secondary sides, the first transformer W1, the second transformer W2 and the third transformer W3 form a high-frequency transformer, and the number of the secondary sides of the high-frequency transformer is expanded and configured as required.
Further, the charging driving unit 401 includes a first operational amplifier OP1, a second resistor R2, a first power transistor VT1, a third resistor R3, a third capacitor C3, a first voltage regulator VD1, and a first inductor L1; the intelligent control module 3 comprises a first controller U1;
specifically, the inverting terminal of the first operational amplifier OP1, one end of the third resistor R3, and the source of the first power tube VT1 are all connected to the second IO terminal of the first controller U1, the non-inverting terminal of the first operational amplifier OP1 is connected to the first IO terminal of the first controller U1, the output terminal of the first operational amplifier OP1 is connected through the second resistor R2, the drain of the first power tube VT1 is connected to one end of the third capacitor C3, one end of the first inductor L1, and the anode of the first voltage regulator VD1, and the cathode of the first voltage regulator VD1 and the other end of the third capacitor C3 are both connected to the cathode of the first diode D1.
Further, the charging path control circuit 4021 includes a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, a first switch tube N1, a second switch tube N2, a second power tube VT2, and a seventh resistor R7; the battery seat circuit 4024 includes a first charging slot;
specifically, one end of the fourth resistor R4 is connected to the third IO end of the first controller U1, the other end of the fourth resistor R4 is connected to one end of the fifth resistor R5, one end of the sixth resistor R6 and the base of the second switch tube N2, the other end of the sixth resistor R6 is connected to the collector of the first switch tube N1, the emitter of the first switch tube N1 and the other end of the fifth resistor R5 are both grounded, the collector of the second switch tube N2 is connected to the gate of the second power tube VT2 and is connected to the drain of the second power tube VT2 and the first end of the first charging notch through the seventh resistor R7, and the source of the second power tube VT2 is connected to the cathode of the first diode D1.
In one embodiment, the first controller U1 may be a TMS320F28027 chip, and the first power transistor VT1 may be an N-channel enhancement mode Metal Oxide Semiconductor Field Effect Transistor (MOSFET); the first operational amplifier OP1 can be selected from OP07 series operational amplifiers; the first switch tube N1 and the second switch tube N2 can be NPN transistors; the second power transistor VT2 may be a pmos fet.
Further, the first detection circuit 4022 includes an eighth resistor R8, an optocoupler J1, a second voltage regulator VD2, a ninth resistor R9, and a first power source VCC 1; the path fault identification module 6 comprises a tenth resistor R10, an eleventh resistor R11, a fourth capacitor C4, a fifth capacitor C5, a twelfth resistor R12, a thirteenth resistor R13, a sixth capacitor C6, a second operational amplifier OP2, a fourteenth resistor R14 and a seventh capacitor C7;
specifically, a first end of the optical coupler J1 is connected with an anode of a second voltage regulator VD2, a cathode of the second voltage regulator VD2 is connected with a second end of the first charging slot, a second end of the optical coupler J1 is connected with a base of the first switching tube N1 through an eighth resistor R8, a third end of the optical coupler J1 is connected with a first power source VCC1, a fourth end of the optical coupler J1 is connected with one end of a tenth resistor R10, a first end of a fourth capacitor C4 and one end of an eleventh resistor R11 through a ninth resistor R9, the other end of the tenth resistor R10, one end of a twelfth resistor R12, a second end of a fourth capacitor C4 and one end of a fifth capacitor C5 are all grounded, the other end of the fifth capacitor C5 and the other end of an eleventh resistor R11 are connected with the same-phase end of the second operational amplifier OP2, an inverting end of the second operational amplifier 2 is connected with one end of the thirteenth resistor R13 and the other end of the eleventh resistor R12 and the sixth resistor R6 and the other end of the sixth resistor R6 is connected with the sixth resistor R6, An output end of the second operational amplifier OP2 and one end of a fourteenth resistor R14, the other end of the fourteenth resistor R14 and one end of a seventh capacitor C7 are both connected to a fourth IO end of the first controller U1, and the other end of the seventh capacitor C7 is grounded.
Further, the circuit structure of the second battery charging unit 403 is the same as that of the first battery charging unit 402, the second battery charging unit 403 is in series with the first battery charging unit 402, the first terminal of the second battery charging unit 403 is connected to the second terminal of the first charging slot, the second terminal of the second battery charging unit 403 is connected to the cathode of the first diode D1, the third terminal of the second battery charging unit 403 is connected to the other terminal of the first inductor L1, and the fourth terminal of the second battery charging unit 403 is connected to the first terminal of the fourth capacitor C4.
In a specific embodiment, the optical coupler J1 may be an MOC1000 optical coupler; the second operational amplifier OP2 can be selected from OP07 series operational amplifiers; the fault information output by the first detection unit is identified and distinguished through the ninth resistor R9, and the resistance value of the ninth resistor R9 can be set according to the requirement of personnel.
The invention relates to a multi-path power supply device of a battery replacing cabinet, which provides electric energy required by the battery replacing cabinet through an input power module 1, wherein the input power module 1 comprises a solar energy conversion unit 101, a standby power unit 103, a voltage conversion unit 102 and a mains voltage, the mains voltage and the solar energy jointly provide the electric energy for the battery replacing cabinet, the provided electric energy is correspondingly processed through the voltage conversion unit 102, reasonable electric energy is output to provide the electric energy for a voltage regulating module 2 and the standby power unit 103, the standby power unit 103 stores the electric energy and provides standby electric energy when the mains voltage is cut off, the voltage regulating module 2 regulates the input electric energy through a first transformer W1, a second transformer W2 and a third transformer W3 and outputs the electric energy in a shunting way, the output electric energy respectively provides power for a first charging control module 4 and a second charging control module 5, in the first charging control module 4, a control signal is output by a second IO end of a first controller U1, the control signal is amplified by a first operational amplifier OP1 and then drives a first power tube VT1 to be conducted, at the moment, the first charging control module 4 can start to work, when the first charging notch detects that an energy storage battery is put in, a third IO end of the first controller U1 outputs the control signal to control the conduction of a second switch tube N2, a second power tube VT2 is then conducted, the first charging slot provides electric energy for the energy storage battery, a second voltage stabilizing tube VD2 determines whether the voltage flowing through the first charging notch exceeds the through voltage of the first switch tube, when the voltage exceeds the through voltage, an optical coupler J1 is conducted, a first switch tube N1 is conducted, the power supply of the fault is stopped, fault information is output through an optical coupler J1, a voltage sample consisting of a ninth resistor R9 and a tenth resistor R10 is amplified by the second operational amplifier OP 3 and transmitted to the first controller U1 for receiving, wherein the resistance value of the ninth resistor R9 is used as the basis of the first charging notch for identifying the first charging notch, here, the operation principle of the second battery charging unit 403 is the same as that of the first battery charging unit 402, and the second battery charging unit 403 is connected in series with the first battery charging unit 402, so that both the first battery charging unit 402 and the second battery charging unit 403 can receive the electric energy output by the second transformer W2 and are in a constant current charging state.
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 attributes 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 description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The utility model provides a trade multichannel power supply unit of electric cabinet which characterized in that:
this multichannel power supply unit who trades electricity cabinet includes: the intelligent charging control system comprises an input power supply module, a voltage regulation module, an intelligent control module, a first charging control module, a second charging control module and a path fault identification module;
the input power supply module is connected with the intelligent control module, and is used for converting solar energy into direct current and outputting first direct current, rectifying and filtering electric energy output by mains voltage and outputting second direct current, respectively performing DC-DC conversion on the first direct current and the second direct current and outputting first electric energy, receiving and storing the first electric energy and providing standby electric energy;
the voltage regulating module is connected with the input power supply module and is used for regulating, rectifying, filtering and outputting the first electric energy output by the input power supply module;
the intelligent control module is used for controlling the work of the input power supply module through an MPPT algorithm, receiving signals output by each module, outputting control signals and controlling the work of each module;
the first charging control module and the second charging control module are connected with the voltage regulating module, are used for receiving electric energy output by the voltage regulating module, are connected with the intelligent control module, are used for receiving control signals output by the intelligent control module, improving the driving capability of the control signals and controlling the sectional type multi-path energy storage work of energy storage batteries in the power conversion cabinet, are used for carrying out constant-current multi-path output electric energy, are used for installing energy storage batteries required to be charged, are used for detecting fault information of the energy storage batteries and are used for detecting the states of the energy storage batteries;
and the path fault identification module is connected with the intelligent control module, the first charging control module and the second charging control module and is used for amplifying the fault information and transmitting the fault information to the intelligent control module.
2. The multi-path power supply device for the battery replacing cabinet as claimed in claim 1, wherein the input power supply module comprises a mains voltage, a solar energy conversion unit, a voltage conversion unit and a standby power supply unit;
the solar energy conversion unit is used for converting solar energy into direct current and outputting first direct current;
the voltage conversion unit is used for rectifying and filtering electric energy output by mains voltage and outputting second direct current, and is used for performing DC-DC conversion on the first direct current and the second direct current and outputting first electric energy;
the standby power supply unit is used for receiving and storing the first electric energy output by the voltage conversion unit and providing standby electric energy;
the output end of the commercial voltage and the output end of the solar energy conversion unit are both connected with the input end of the voltage conversion unit, the first output end of the voltage conversion unit is connected with the voltage regulation module, and the second output end of the voltage conversion unit is connected with the standby power supply unit.
3. The multi-path power supply device for the battery replacing cabinet as claimed in claim 2, wherein the voltage regulating module comprises a first transformer, a second transformer, a third transformer, a first diode, a first capacitor, a second capacitor, a first resistor;
the first end and the second end of the first transformer are connected with the voltage conversion unit, the first end of the second transformer is connected with the anode of the first diode and is connected with the cathode of the first diode and one end of the first capacitor sequentially through the first resistor and the second capacitor, the other end of the first capacitor and the second end of the second transformer are grounded, and the first end and the second end of the third transformer are connected with the second charging control module.
4. The multi-channel power supply device of the power exchange cabinet as claimed in claim 3, wherein the first charging control module comprises a charging driving unit, a first battery charging unit, and a second battery charging unit;
the charging driving unit is used for receiving the control signal output by the intelligent control module, improving the driving capability of the control signal and driving the first battery charging unit and the second battery charging unit to work;
the first battery charging unit and the second battery charging unit are used for installing energy storage batteries to be charged, receiving control signals output by the intelligent control module and controlling energy storage work of the energy storage batteries, detecting fault information of the energy storage batteries and detecting states of the energy storage batteries;
the intelligent control module is connected with the charging driving unit, one end of the first battery charging unit and one end of the second battery charging unit, and the other end of the first battery charging unit and the other end of the second battery charging unit are connected with the access fault identification module.
5. The multi-channel power supply device of the power conversion cabinet as claimed in claim 4, wherein the circuit structure of the second charging control module is the same as the circuit structure of the first charging control module.
6. The multi-channel power supply device of the power change cabinet as claimed in claim 4, wherein the first battery charging unit comprises a charging path control circuit, a first detection circuit, a battery state identification circuit and a battery installation circuit;
the battery arranging circuit is used for installing an energy storage battery to be charged;
the charging channel control circuit is used for receiving the control signal output by the intelligent control module and controlling the energy storage work of the energy storage battery in the battery arrangement circuit;
the first detection circuit is used for detecting fault information in the battery arrangement circuit;
the battery state identification circuit is used for detecting the state of the energy storage battery;
one end of the charging access control circuit, one end of the first detection circuit and one end of the battery state identification circuit are all connected with the intelligent control module, and the other end of the charging access control circuit, the other end of the first detection circuit and the other end of the battery state identification circuit are all connected with the battery arrangement circuit.
7. The multi-path power supply device for the battery replacing cabinet as claimed in claim 6, wherein the charging driving unit comprises a first operational amplifier, a second resistor, a first power tube, a third resistor, a third capacitor, a first voltage regulator tube and a first inductor; the intelligent control module comprises a first controller;
the inverting terminal of the first operational amplifier, one end of the third resistor and the source electrode of the first power tube are connected with the second IO terminal of the first controller, the non-inverting terminal of the first operational amplifier is connected with the first IO terminal of the first controller, the output terminal of the first operational amplifier is connected through the second resistor, the drain electrode of the first power tube is connected with one end of the third capacitor, one end of the first inductor and the anode of the first voltage-regulator tube, and the cathode of the first voltage-regulator tube and the other end of the third capacitor are connected with the cathode of the first diode.
8. The multi-path power supply device for the battery replacing cabinet as claimed in claim 7, wherein the charging path control circuit comprises a fourth resistor, a fifth resistor, a sixth resistor, a first switch tube, a second power tube and a seventh resistor; the battery seating circuit includes a first charging slot;
the one end of fourth resistance is connected the third IO end of first controller, and the one end of fifth resistance, the one end of sixth resistance and the base of second switch tube are connected to the other end of fourth resistance, and the collecting electrode of first switch tube is connected to the other end of sixth resistance, and the projecting pole of first switch tube and the other end of fifth resistance all ground connection, and the grid of second power tube is connected to the collecting electrode of second switch tube and through the drain electrode of seventh resistance connection second power tube and the first end of first notch of charging, the source connection of second power tube the negative pole of first diode.
9. The multi-path power supply device for the battery replacing cabinet as claimed in claim 8, wherein the first detection circuit comprises an eighth resistor, an optocoupler, a second voltage regulator tube, a ninth resistor and a first power supply; the path fault identification module comprises a tenth resistor, an eleventh resistor, a fourth capacitor, a fifth capacitor, a twelfth resistor, a thirteenth resistor, a sixth capacitor, a second operational amplifier, a fourteenth resistor and a seventh capacitor;
the first end of the optocoupler is connected with the anode of the second voltage-regulator tube, the cathode of the second voltage-regulator tube is connected with the second end of the first charging notch, the second end of the optocoupler is connected with the base electrode of the first switching tube through an eighth resistor, the third end of the optocoupler is connected with the first power supply, the fourth end of the optocoupler is connected with one end of a tenth resistor, one end of a fourth capacitor and one end of an eleventh resistor through a ninth resistor, the other end of the tenth resistor, one end of a twelfth resistor, the second end of the fourth capacitor and one end of a fifth capacitor are all grounded, the other end of the fifth capacitor and the other end of the eleventh resistor are connected with the in-phase end of the second operational amplifier, the inverting end of the second operational amplifier is connected with one end of a thirteenth resistor and the other end of the twelfth resistor and is connected with the other end of the thirteenth resistor, the output end of the second operational amplifier and one end of the fourteenth resistor through a sixth capacitor, the other end of the fourteenth resistor and one end of the seventh capacitor are both connected with the fourth IO end of the first controller, the other end of the seventh capacitor is grounded.
10. The multi-power-supplying apparatus of a power-exchanging cabinet as claimed in claim 9, wherein the circuit structure of the second battery charging unit is the same as that of the first battery charging unit, the second battery charging unit is connected in series with the first battery charging unit, the first terminal of the second battery charging unit is connected to the second terminal of the first charging slot, the second terminal of the second battery charging unit is connected to the cathode of the first diode, the third terminal of the second battery charging unit is connected to the other terminal of the first inductor, and the fourth terminal of the second battery charging unit is connected to the first terminal of the fourth capacitor.
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