CN113715660A - Intelligent charging pile - Google Patents
Intelligent charging pile Download PDFInfo
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- CN113715660A CN113715660A CN202111175622.4A CN202111175622A CN113715660A CN 113715660 A CN113715660 A CN 113715660A CN 202111175622 A CN202111175622 A CN 202111175622A CN 113715660 A CN113715660 A CN 113715660A
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- 230000001105 regulatory effect Effects 0.000 claims 4
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 11
- 229910052710 silicon Inorganic materials 0.000 description 11
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- 238000010248 power generation Methods 0.000 description 2
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- 239000002699 waste material Substances 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
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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
- B60L53/50—Charging stations characterised by energy-storage or power-generation means
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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
- B60L53/50—Charging stations characterised by energy-storage or power-generation means
- B60L53/53—Batteries
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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
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F15/00—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity
- G07F15/003—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity for electricity
- G07F15/005—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity for electricity dispensed for the electrical charging of vehicles
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F15/00—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity
- G07F15/10—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity with alarm or warning devices, e.g. indicating the interrupting of the supply
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/12—Messaging; Mailboxes; Announcements
- H04W4/14—Short messaging services, e.g. short message services [SMS] or unstructured supplementary service data [USSD]
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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
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
- Y02T90/167—Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
- Y04S30/10—Systems supporting the interoperability of electric or hybrid vehicles
- Y04S30/12—Remote or cooperative charging
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
An intelligent charging pile comprises a charging pile body, a generator and a storage battery, wherein the charging pile body is provided with a main power supply conversion module and a standby power supply conversion module; the power failure detection circuit, the generator starting circuit, the switching circuit and the short message prompting circuit are also arranged; the storage battery, the power failure detection circuit, the generator starting circuit, the switching circuit, the short message prompting circuit, the power supply conversion module and the generator are installed in the charging pile body and are electrically connected. The power supply switching device is provided with a main power supply switching module and a standby power supply switching module, when in use, after power failure occurs on site, a generator starting circuit can automatically switch a starting generator to generate power to charge a vehicle, and the generator can be automatically closed after power is supplied; after the main power supply conversion module breaks down, the switching circuit can automatically switch the standby power supply conversion module to charge the vehicle; when power is off, a short message prompt can be automatically sent to a remote management personnel to inform the follow-up generator fuel supplementation, so that intelligent management is realized, and great convenience is brought to vehicle charging.
Description
Technical Field
The invention relates to the technical field of charging pile equipment, in particular to an intelligent charging pile.
Background
The electric automobile has increasingly large keeping quantity due to low use cost and environmental protection. The charging pile is used as charging equipment of the electric automobile, and mainly has the advantages that an alternating current power supply is converted into a direct current power supply through a power supply conversion module (the power supply conversion module is controlled to output or not output a power supply to a charging gun through a main control circuit board, and a vehicle owner controls the output of the power supply to the charging gun after paying), so that the charging gun of the charging pile is inserted into a charging socket on the vehicle when the vehicle owner needs to charge, and further, the storage battery on the vehicle is supplied with power.
Although the existing charging pile brings convenience for charging of an owner, some problems are still needed to be solved due to structural limitation. The method comprises (1) power failure on site due to various factors, which can result in vehicle being unable to be charged after power failure; (2): the existing charging pile only has one set of power supply conversion module, so that the vehicle can not be charged after the existing charging pile breaks down. In conclusion, it is especially necessary to provide a charging pile which has the functions of the existing common charging pile, can also supply charging for a vehicle through power generation of a generator in the case of power failure, is provided with two sets of power supply conversion modules, and can automatically switch the standby power supply conversion module to continuously supply the charging function for the vehicle after the main power supply module is damaged.
Disclosure of Invention
In order to overcome the defect that the existing charging pile cannot continuously charge the vehicle after power failure or power conversion module fails due to structural limitation, the intelligent charging pile is provided with two sets of the main power conversion module and the standby power conversion module based on the charging pile body.
The technical scheme adopted by the invention for solving the technical problems is as follows:
an intelligent charging pile comprises a charging pile body, a generator and a storage battery, and is characterized in that the charging pile body is provided with a main power supply conversion module and a standby power supply conversion module; the power failure detection circuit, the generator starting circuit, the switching circuit and the short message prompting circuit are also arranged; the storage battery, the power failure detection circuit, the generator starting circuit, the switching circuit, the short message prompting circuit, the power supply conversion module and the generator are arranged in the charging pile body; the power supply input end of the power failure detection circuit, the first control power supply input end and the second control power supply input end of the switching circuit are respectively and electrically connected with the alternating current power supply; the power output end of the power failure detection circuit is electrically connected with the two poles of the storage battery and the two power input ends of the short message prompting circuit respectively, and the trigger power output end of the power failure detection circuit is electrically connected with the signal input end of the short message prompting circuit; the first path of control signal end of the power failure detection circuit is electrically connected with the two ends of the input end of the flameout electromagnetic valve power supply of the generator respectively; the second path of control signal end of the power failure detection circuit is electrically connected with the power supply input ends of the generator starting circuit and the switching circuit respectively; the power output end of the generator is electrically connected with the signal input end of the generator starting circuit and the third control power input end of the switching circuit respectively.
Further, the power failure detection circuit comprises a voltage-stabilized power supply, an optocoupler, a resistor, a diode, an NPN triode and a relay which are electrically connected, wherein one end of a power supply input of the voltage-stabilized power supply is connected with one end of a first resistor, the other end of the first resistor is connected with the anode of a built-in photodiode of the optocoupler, the other end of the power supply input of the voltage-stabilized power supply is connected with the cathode of the diode, the anode of the diode is connected with the anode of the built-in photodiode of the optocoupler, one end of a second resistor is connected with the anode power supply output end of the voltage-stabilized power supply, the anode power supply input end and control power supply input end of the first relay, the anode power supply input end of the second relay and the anode control power supply input end of the second relay, the other end of the second resistor is connected with the collector of the NPN triode and the base electrode of the NPN triode, and the collector electrode of the first relay and the cathode power supply input end of the second relay are connected, the emitter of the photoelectric triode built in the optical coupler is connected with the emitter of the NPN triode and the input end of the control power supply of the negative electrode of the second relay.
The generator starting circuit comprises a time control switch, a relay, a voltage stabilizing module, a resistor, a capacitor, an NPN triode, a PNP triode, a relay and a controlled silicon which are electrically connected, wherein the power output end of the time control switch is respectively connected with the two ends of the power input end of a first relay, the negative power input end of the time control switch is connected with the normally closed contact end of a second relay, one end of the first resistor is connected with one end of the second resistor and the positive electrode of the capacitor, the other end of the second resistor is connected with the base electrode of the NPN triode, the collector electrode of the NPN triode is connected with the base electrode of the PNP triode, the collector electrode of the PNP triode is connected with the control electrode of the controlled silicon, the cathode of the controlled silicon is connected with the positive power input end of the second relay, the emitter electrode of the PNP triode is connected with the anode of the controlled silicon, the other end of the first resistor is connected with the positive power output end of the voltage stabilizing module, and the negative power output end of the voltage stabilizing circuit and the negative electrode of the capacitor, The emitter of the NPN triode, the power input end of the negative electrode of the second relay and the control power input end are connected.
Furthermore, a control contact end and a normally open contact end of a first relay of the generator starting circuit are respectively connected with two contacts under a starting key of the generator.
Further, the switching circuit comprises three relays which are electrically connected, two normally closed contact ends of a first relay, two control power input ends of a third relay and two poles of an alternating current power supply are respectively connected, two normally open contact ends of the first relay and two ends of a power output of a generator are respectively connected, the control power input end of the first relay is electrically connected with the power input end of the main power conversion module, the power output end of the main power conversion module is connected with two ends of the power input of the second relay, two normally open contact ends of the first relay and two ends of the power input of the third relay are respectively connected, two normally closed contact ends of the third relay are electrically connected with the power input end of the standby power conversion module, the power output end of the standby power conversion module is connected with two normally closed contact ends of the second relay, two control power input ends of the second relay are electrically connected with the power input end of the main control circuit board of the charging pile body, the power output end of the main control circuit board is electrically connected with the two power input ends of the charging gun respectively.
Further, the short message prompting circuit is a short message prompting module.
The invention has the beneficial effects that: the invention is based on the charging pile body and is provided with two sets of main power supply conversion modules and standby power supply conversion modules, when in use, after power failure occurs on site, the starting circuit of the generator can automatically switch and start the generator to generate power to provide a charging function for a vehicle, and the generator can be automatically closed after power failure occurs. In the invention, after the main power supply conversion module breaks down, the switching circuit can automatically switch the standby power supply conversion module to provide a charging function for the vehicle; the invention can automatically send short message prompt to remote management personnel when power is cut off so as to inform the follow-up generator fuel supplementation, thereby realizing intelligent management and bringing great convenience to vehicle charging. Based on the above, the invention has good application prospect.
Drawings
The invention is further illustrated below with reference to the figures and examples.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a circuit diagram of the present invention.
Detailed Description
As shown in fig. 1 and 2, an intelligent charging pile comprises a charging pile body 1, a generator M and a storage battery G1, wherein two sets of power conversion modules are arranged on the charging pile body, one set of power conversion modules is used as a main power conversion module CD, the other set of power conversion modules is used as a standby power conversion module CD1, the two sets of power conversion modules are arranged at the upper part in a shell of the charging pile body 1, the generator M is arranged at the lower end in the shell, and the front end of the shell is provided with air permeability 101 (ensuring that the generator M works as a demand for air and discharges waste air); the power failure detection circuit 2, the generator starting circuit 3, the switching circuit 4 and the short message prompting circuit 5 are also arranged; the storage battery G1, the power failure detection circuit 2, the generator starting circuit 3, the switching circuit 4 and the short message prompting circuit 5 are arranged on a circuit board in the shell.
As shown in fig. 1, 2, generator M is a 6.5KW diesel generator; the battery G1 was a 12V/10Ah lithium battery. The power failure detection circuit comprises a stabilized voltage power supply A1, an optical coupler A5, resistors R1 and R2, a diode VD, an NPN triode Q1, relays K and K5 which are connected through circuit board wiring, wherein a pin 1 at the power input end of the stabilized voltage power supply A1 is connected with one end of a first resistor R1, the other end of the first resistor R1 is connected with the anode of a photodiode built in the optical coupler A5, a pin 2 at the power input end of the stabilized voltage power supply A1 is connected with the cathode of the diode VD, the anode of the diode VD is connected with the anode of the photodiode built in the optical coupler A5, one end of a second resistor R2 is connected with a pin 3 at the anode power output end of the stabilized voltage power supply A1, the anode power input end and a control power input end of the first relay K5, the anode power input end and an anode control power input end of the second relay K5, the other end of the second resistor R2 is connected with the collector built in the optical coupler A5 and the base of the NPN triode Q1, the collector of the NPN triode Q1 is connected with the negative power input ends of the first relay K5 and the second relay K5, and the emitter of the photoelectric triode built in the optocoupler A5 is connected with the emitter of the NPN triode Q1 and the negative control power input end of the second relay K5. The starting circuit of the generator comprises a time control switch A2, relays K2 and K1, a voltage stabilizing module A3, resistors R3 and R4, a capacitor C1, an NPN triode Q2, a PNP triode Q3 and a silicon controlled rectifier VS which are connected through circuit board wiring, a power output end pin 3 and a pin 4 of the time control switch A2 are respectively connected with two ends of a power input end of a first relay K2, a negative power input end pin 2 of the time control switch A2 is connected with a normally closed contact end of a second relay K1, one end of a first resistor R3 is connected with one end of a second resistor R4 and a positive electrode of a capacitor C1, the other end of the second resistor R4 is connected with a base electrode of an NPN triode Q2, a collector electrode of the NPN triode Q56 is connected with a base electrode of a PNP triode Q3, a collector electrode of the PNP triode Q3 is connected with a silicon controlled rectifier VS control electrode, a negative electrode of the silicon controlled rectifier VS is connected with a power input end of the second relay K1, an emitter of the PNP triode Q3 is connected with an anode 823672, the other end of the first thyristor is connected with a voltage stabilizing module 3, the 4 feet of the negative power output end of the voltage stabilizing module A3 are connected with the negative electrode of the capacitor C1, the emitting electrode of the NPN triode Q2, the negative power input end of the second relay K1 and the control power input end. The control contact end and the normally open contact end of a first relay K2 of the generator starting circuit are respectively connected with two contacts under a starting power switch S (equivalent to a key power switch) of the generator.
As shown in fig. 1 and 2, the switching circuit includes three relays K3, K4 and K6 connected by circuit board wiring, two normally closed contact ends of a first relay K3, two control power input ends of a third relay K6 and two poles of an alternating current 220V power supply are respectively connected, two normally open contact ends of a first relay K3 and two ends of a power output of a generator M are respectively connected, a control power input end of the first relay K3 and a power input end of a main power conversion module CD are connected by a wire, a power output end of the main power conversion module CD and two ends of a power input of a second relay K4 and two normally open contact ends of the power input of the third relay K6 are respectively connected, two normally closed contact ends of a third relay K6 and a power input end of a backup power conversion module CD1 are connected by a wire, a power output end of a backup power conversion module CD1 and two normally closed contact ends of the second relay K4 are connected, two control power input ends of the second relay K4 are connected with a power input end of a main control circuit board of the charging pile body through leads, and a power output end of the main control circuit board is connected with two power input ends of a charging gun CT of the charging pile body through leads respectively. The short message presentation circuit a4 is a short message presentation module.
As shown in fig. 1 and 2, pins 1 and 2 of power failure detection circuit power input terminal voltage-stabilized power supply a1, two normally closed contact terminals of first control power input terminal relay K3 and two control power input terminals of second control power input terminal relay K6 of the switching circuit, and a 220V ac power supply are respectively connected through wires. The pins 3 and 4 of the power output end voltage-stabilized power supply A1 of the power failure detection circuit are respectively connected with the two poles of the storage battery G1 and the pins 1 and 2 of the power input end of the short message prompt circuit A4 through leads. The collector of the trigger power output end NPN triode Q1 of the power failure detection circuit is connected with the pin 3 of the signal input end of the short message prompting circuit A4 through a lead. Two normally closed contact ends of a first path of control signal end relay K5 of the power failure detection circuit are respectively connected with two input ends of a flameout electromagnetic valve DC power supply of the generator through leads. The normally open contact end of a second path control signal end relay K of the power failure detection circuit, the emitting electrode of an NPN triode Q1, pins 1 and 2 of a time control switch A2 of the power input end of the generator starting circuit and the two ends of the power input end of a power input end relay K3 of the switching circuit are respectively connected through leads. The power output end of the generator M, pins 1 and 2 of the voltage stabilizing module A3 at the signal input end of the generator starting circuit and two normally open contact ends of a relay K3 at the third control power input end of the switching circuit are respectively connected through leads.
As shown in fig. 1 and 2, other using processes and methods of the present invention are completely the same as those of the existing charging pile, and the ac power is converted into the dc power by the power conversion module (the main control circuit board controls the power conversion module to output or not output power to the charging gun, and the owner pays to control the output power to the charging gun), so that the charging gun of the charging pile is inserted into the charging socket of the vehicle when the owner needs to charge, and further the storage battery of the vehicle is supplied. After the 220V alternating current power supply enters the pins 1 and 2 of the stabilized voltage power supply A1, the pins 3 and 4 of the stabilized voltage power supply A1 can output 12V power supply to enter the two poles of the storage battery G1 to charge the storage battery G1, and the normal power supply requirement of the invention is ensured. When the charging pile body is not powered off, two poles of a 220V alternating current power supply enter a power supply input end of a main power supply conversion module CD through two normally closed contact ends of a relay K3 and two control power supply input ends, a power supply output end of the main power supply conversion module CD outputs a direct current power supply to enter a power supply input end and a normally open contact end of a relay K4, the relay K4 is electrified to attract the control power supply input end and the normally open contact end to be closed, so that the direct current power supply can enter a power supply input end of a charging gun CT through a main control circuit board A6, and after a vehicle needs to be charged and code scanning payment and the like, the main power supply conversion module CD can output the power supply to charge the vehicle through the charging gun CT; meanwhile, the power output by the power output end of the main power conversion module CD can enter two ends of the power input of the relay K6, so that the relay K6 is electrified to attract the control power input end and the normally closed contact to be open, and the standby power conversion module CD1 cannot be electrified to output power to enter the charging gun; when the main power supply conversion module CD does not have a fault during charging, the main power supply conversion module CD is directly used for charging the vehicle.
As shown in fig. 1 and 2, when the main power conversion module CD is damaged due to various reasons and does not output power any more, then the relay K4 loses power and does not attract the control power input end and the normally open contact end thereof to open, the control power input end and the normally closed contact end thereof to close, and simultaneously the relay K6 loses power and does not attract the control power input end and the normally closed contact end thereof to close, so that a 220V ac power supply enters the power input end of the standby power conversion module CD1, a power output from the power output end of the standby power conversion module CD1 enters the CT power input end of the charging gun through the two normally closed contact ends of the relay K6 and the two control power input ends of the main control circuit board a6, and thus after a subsequent vehicle needs to be charged, code scanning payment and the like, the standby power conversion module CD outputs power to charge the vehicle through the charging gun CT. When no power is cut off on site, one pole of the 220V alternating current power supply is subjected to voltage reduction and current limitation through the resistor R1 and enters the anode of the built-in photodiode of the optocoupler A5, the other pole of the 220V alternating current power supply enters the cathode of the photodiode through the diode VD half-wave rectification, the photodiode is electrified and emits light, the built-in phototriode of the optocoupler is conducted, the collector outputs low level to the base of the NPN triode Q1, the base of the NPN triode Q1 is in a cut-off state without proper forward bias, then the relay K is not electrified and attracts the input end of the control power supply and the normally open contact end of the relay K to continue opening the circuit, and the 220V alternating current power supply normally supplies power to the charging gun through the main power supply conversion module CD. After power failure, because the photodiode built in the optocoupler A5 is not conducted any more, and then the phototriode is also stopped, the collector of the phototriode does not output low level any more, the base of the NPN triode Q1 is subjected to voltage reduction and current limitation through the resistor R2 to obtain forward bias conduction, the collector of the phototriode outputs low level to enter the negative power input end of the relay K (meanwhile, the negative power input end of the NPN triode Q1 enters the first trigger signal input end of the short message module A4, the short message module A4 pushes a short message of field power failure for the mobile phone of a remote administrator), the relay K is electrified to attract the control power input end and the normally closed contact end of the relay K to be open, the control power input end of the relay K is electrified to be open, the control power input end of the relay K is close to the normally open contact end, the 12V power can enter the positive power input end of the time control switch A2 (simultaneously, the relay K3 is electrified to attract the control power input end of the relay K to be closed to be open), and the control power input end of the relay K2 is electrified after the relay K is electrified, and the 3 and 4 pins can output power time set by technicians to be output every 7 seconds after the time of the internal circuit and the time of the 3 and 4 pins after the time of the time switch A2 is set by the time of the internal circuit, the time of the time switch A2, the time of the time switch A The power supply enters the power supply input end of the relay K2, so the relay K2 is electrified and attracted for 10 seconds at intervals of 7 seconds, thus a starting power switch S of the diesel generator S is closed for 10 seconds at intervals of 7 seconds, the diesel generator M is started for 10 seconds at intervals of 7 seconds for multiple times, and multiple times of starting prevents the unsuccessful starting of the generator for one time and can not provide a charging power supply for the vehicle when power is cut off.
As shown in fig. 1 and 2, during starting of the diesel generator M, the output power of the diesel generator M is converted into 12V dc power through the voltage stabilizing module A3 to charge the capacitor C1, during the initial time period, when the generator M is not started effectively, although the power is output every 7 seconds and enters the capacitor C1, because the capacitor C1 is not fully charged due to insufficient time (the continuous charging time is far less than 30 seconds, the charging of the capacitor C1 is released quickly after the 10 seconds of starting), the 12V power is reduced through the resistors R3 and R4, the base voltage of the current-limiting power-supplying power to the NPN triode Q2 is lower than 0.7V, the NPN triode Q2 is cut off, the relay module K1 is not powered, the control power input end and the normally closed contact end of the battery G normally enters the negative power input end of the time control switch a2, the time control switch a2 normally powers the start power switch S, the battery G, the battery and the time switch b 2 are circularly connected through the relay module K2, The generator M is cyclically started. When the time that the power supply output by the generator M is used for continuously charging the capacitor C1 exceeds 30 seconds after the generator M is effectively started, after the capacitor C1 is fully charged, the voltage of the positive electrode of the 12V power supply is reduced by the resistors R3 and R4 and limited by current, the voltage of the base electrode of the NPN triode Q2 is higher than 0.7V, then the NPN triode Q2 is conducted, the collector electrode outputs low level and enters the base electrode of the PNP triode Q3, the PNP triode Q3 is conducted, the collector electrode outputs high level and enters the control electrode of the silicon controlled rectifier VS, the electrical appliance K1 can be electrically connected after the silicon controlled rectifier VS is conducted, the control power supply input end and the normally closed contact end of the electrical appliance are electrically connected, then the time control switch A2 can lose power and no longer work, the relay K2 can lose power and no longer attract, and the diesel generator M is started after the S contact of the power supply switch is open and no longer started. Through the circuit function, the invention can automatically start the diesel generator to supply power for the charging gun after the power failure on site; and the starting power switch S can be automatically closed after starting, so that the condition that the power of a matched storage battery of the generator is insufficient due to continuous starting of the generator is prevented. The power supply output after the generator M generates electricity enters the power supply input end of the main power supply conversion module CD through the normally open contact end of the relay K3 and the control power supply input end, and therefore the main power supply module CD normally charges the charging gun body. According to the invention, after the power supply of the generator M is cut off, the generator M is started, and after the subsequent 220V power supply is restored, the NPN triode Q1 is cut off, and the relay K5 is powered off, so that the control power supply input end and the normally closed contact end are closed, the flameout electromagnetic valve DC of the generator can be powered on, and the generator M automatically flameout, so that waste caused by unnecessary power generation of the generator M after power supply is received is prevented. After power failure, the relay K5 is electrified to attract the control power supply input end and the normally closed contact end to be open, so that the flameout electromagnetic valve DC loses power, and the normal starting of the generator M is ensured.
As shown in figures 1 and 2, through the combined action of the circuits and the related mechanisms, the invention is based on a charging pile body, and in use, after power failure occurs on site, a generator starting circuit can automatically switch a starting generator to generate power to provide a charging function for a vehicle, and can automatically turn off the generator after power failure occurs. In the invention, the switching circuit can automatically switch the standby power supply conversion module to provide a charging function for the vehicle after the main power supply conversion module fails; the invention can also send short message prompt to the mobile phone of a remote manager to inform the follow-up generator fuel supplementation when power is cut off, thereby realizing intelligent management and bringing great convenience to vehicle charging. In the circuit, the resistances of the resistors R1, R2, R3 and R4 are 100K, 47K, 2.7M and 470K respectively; relays K, K5, K2, K3, K1 are DC12V relays, relays K6, K4 are DC72V relays; the models of NPN triodes Q1 and Q2 are 9013; the model of the PNP triode Q3 is 9012; the model of the optical coupler A5 is 4N 25; the model of the capacitor C1 is 10 mu F/25V; the time control switch A2 is a finished product of a full-automatic microcomputer time control switch with model KG316T, the microcomputer time control switch is provided with a display screen, seven keys of canceling/restoring, time correcting, week correcting, automatic/manual, timing and clock, and is provided with two power input ends 1, 2 pins and two power output ends 3, 4 pins, a user respectively presses and operates the seven keys, the interval time of the two power output ends for outputting power and the time of outputting power each time can be set, and the power failure can not cause the change of the set power output time as long as the next key operation setting is not carried out after one time setting. The voltage-stabilizing power supply A1 and the voltage-stabilizing module A3 are finished products of switch power supply modules of 220V/12V type, namely alternating current 220V to direct current 12V; the controllable silicon VS is a model MCR100-1 plastic package unidirectional controllable silicon. The short message module A4 is a short message alarm module of type GSM 800, the finished product of the short message alarm module has two power input ends 1 and 2 pins, the signal input ends 3-8 pins, after each signal input end inputs a low level signal, the finished product of the short message alarm module can send a short message through a wireless mobile network, the short message alarm module stores the short message (in this embodiment, a user edits a power failure text message in advance through the self function of the finished product of the short message alarm module, after the low level signal is input into the pin 3 of the signal input end of the short message alarm module A4, the short message alarm module A4 can send a short message; the type of the diode VD is 1N 4007. in the invention, considering that the driving current of the triode NPN Q1 is limited, the collector of the NPN triode Q1 can be directly connected with the power input end of the negative pole of a relay, the power input end of the positive pole of the relay is connected with the positive pole of the storage battery, The input end of the relay control power supply is connected with the cathode of the storage battery, and the normally closed contact end of the relay is connected with the pin 3 of the short message module A4 and the input end of the relay K5 cathode power supply; thus, the NPN transistor Q1 only drives one relay to ensure stable operation.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but is capable of 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.
Furthermore, it should be understood that although the present description refers to embodiments, the embodiments do not include only one independent technical solution, and such description is only for clarity, and those skilled in the art should take the description as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments that can be understood by those skilled in the art.
Claims (6)
1. An intelligent charging pile comprises a charging pile body, a generator and a storage battery, and is characterized in that the charging pile body is provided with a main power supply conversion module and a standby power supply conversion module; the power failure detection circuit, the generator starting circuit, the switching circuit and the short message prompting circuit are also arranged; the storage battery, the power failure detection circuit, the generator starting circuit, the switching circuit, the short message prompting circuit, the power supply conversion module and the generator are arranged in the charging pile body; the power supply input end of the power failure detection circuit, the first control power supply input end and the second control power supply input end of the switching circuit are respectively and electrically connected with the alternating current power supply; the power output end of the power failure detection circuit is electrically connected with the two poles of the storage battery and the two power input ends of the short message prompting circuit respectively, and the trigger power output end of the power failure detection circuit is electrically connected with the signal input end of the short message prompting circuit; the first path of control signal end of the power failure detection circuit is electrically connected with the two ends of the input end of the flameout electromagnetic valve power supply of the generator respectively; the second path of control signal end of the power failure detection circuit is electrically connected with the power supply input ends of the generator starting circuit and the switching circuit respectively; the power output end of the generator is electrically connected with the signal input end of the generator starting circuit and the third control power input end of the switching circuit respectively.
2. The intelligent charging pile according to claim 1, wherein the power failure detection circuit comprises a regulated power supply, an optocoupler, a resistor, a diode, an NPN triode and a relay, which are electrically connected, one end of the power input of the regulated power supply is connected with one end of a first resistor, the other end of the first resistor is connected with the anode of a photodiode included in the optocoupler, the other end of the power input of the regulated power supply is connected with the cathode of the diode, the anode of the diode is connected with the anode of the photodiode included in the optocoupler, one end of a second resistor is connected with the anode power output end of the regulated power supply, the anode power input end of the first relay and the control power input end, the anode power input end of the second relay and the anode control power input end of the second relay, the other end of the second resistor is connected with the collector of the phototriode included in the optocoupler, the base of the NPN triode, the collector of the NPN triode is connected with the cathode power input ends of the first relay and the second relay, the emitter of the photoelectric triode built in the optical coupler is connected with the emitter of the NPN triode and the input end of the control power supply of the negative electrode of the second relay.
3. The intelligent charging pile according to claim 1, wherein the generator starting circuit comprises a time control switch, a relay, a voltage stabilizing module, a resistor, a capacitor, an NPN triode, a PNP triode, a relay and a thyristor, which are electrically connected, a power output end of the time control switch is respectively connected with two ends of a power input end of a first relay, a negative power input end of the time control switch is connected with a normally closed contact end of a second relay, one end of the first resistor is connected with one end of the second resistor and a positive electrode of the capacitor, the other end of the second resistor is connected with a base electrode of the NPN triode, a collector electrode of the NPN triode is connected with a base electrode of the PNP triode, a collector electrode of the PNP triode is connected with a control electrode of the thyristor, a cathode of the thyristor is connected with a power input end of a positive electrode of the second relay, an emitter electrode of the PNP triode is connected with an anode of the thyristor, the other end of the first resistor is connected with a positive power output end of the voltage stabilizing module, the negative power output end of the voltage stabilizing circuit is connected with the negative electrode of the capacitor, the emitting electrode of the NPN triode, the negative power input end of the second relay and the control power input end.
4. The intelligent charging pile according to claim 3, wherein the first relay control contact terminal and the normally open contact terminal of the generator starting circuit are connected with the two contacts under the starting button of the generator respectively.
5. The intelligent charging pile according to claim 1, wherein the switching circuit comprises three relays electrically connected, two normally closed contact ends of a first relay, two control power input ends of a third relay and two poles of an alternating current power supply are respectively connected, two normally open contact ends of the first relay and two ends of a power output of the generator are respectively connected, the control power input end of the first relay and the power input end of the main power conversion module are electrically connected, the power output end of the main power conversion module and two ends of the power input end of the second relay and two ends of the normally open contact ends and two ends of the power input end of the third relay are respectively connected, two normally closed contact ends of the third relay and the power input end of the standby power conversion module are electrically connected, the power output end of the standby power conversion module and two normally closed contact ends of the second relay are connected, two control power input ends of the second relay and the power input end of the main control circuit board of the charging pile body are electrically connected, and the power output end of the main control circuit board and the two power input ends of the charging gun are electrically connected respectively.
6. The intelligent charging pile according to claim 1, wherein the short message prompting circuit is a short message prompting module.
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Application publication date: 20211130 |