CN112952455B - Waterproof charging socket and charging method - Google Patents
Waterproof charging socket and charging method Download PDFInfo
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- CN112952455B CN112952455B CN202110154964.1A CN202110154964A CN112952455B CN 112952455 B CN112952455 B CN 112952455B CN 202110154964 A CN202110154964 A CN 202110154964A CN 112952455 B CN112952455 B CN 112952455B
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 12
- 239000000741 silica gel Substances 0.000 claims description 12
- 229910002027 silica gel Inorganic materials 0.000 claims description 12
- 238000005070 sampling Methods 0.000 claims description 11
- 238000004891 communication Methods 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 6
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5213—Covers
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5202—Sealing means between parts of housing or between housing part and a wall, e.g. sealing rings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/627—Snap or like fastening
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
- H01R13/6666—Structural association with built-in electrical component with built-in electronic circuit with built-in overvoltage protection
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
- H01R13/6675—Structural association with built-in electrical component with built-in electronic circuit with built-in power supply
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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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The invention discloses a waterproof charging socket and a charging method, and belongs to the field of sockets. The socket has the advantages of convenience in use, good waterproof performance and waterproof effect, offline charging, continuous charging after power failure, full automatic stop, self-checking of hardware, and functions of dust prevention, water prevention, insulation, fire prevention, time-limited protection, overload protection, short-circuit protection, power mutation protection, overvoltage protection and undervoltage protection.
Description
Technical Field
The invention relates to the field of waterproof charging sockets and a charging method.
Background
The existing electric bicycle charging technical scheme mainly adopts a main board integrated multi-path power supply output control, adopts a centralized management method to perform voltage stabilization rectification and current limiting on each path of power supply, and the output of a host is mostly divided into 2/10/20/30 paths, so that the installation scene of the charging technical equipment is limited, meanwhile, more electric wires need to be pulled, two electric wires need to be pulled from a main control box by each power strip, the cost is higher, and meanwhile, the charging socket requirements of scenes with complex topography and different numbers cannot be met.
Disclosure of Invention
The invention aims to provide a waterproof charging socket and a charging method, which solve the technical problems in the background technology.
The utility model provides a waterproof socket that charges, includes socket housing, arranges and inserts front shroud, waterproof back shroud and PCB board, waterproof back shroud sets up the rear end at socket housing, the PCB board is fixed on waterproof back shroud, arrange and insert front shroud and fix the front end at socket housing, socket housing's front end top sets up to protruding structure, protruding structure sets up to the waterproof house eaves board of U-shaped, and the PCB board is provided with the socket, and the PCB board is connected with outside commercial power line.
Further, joint of the front row of plug cover plates and the socket shell is provided with a sealing rubber strip, the front row of plug cover plates are provided with a PCB fixing hole, a row of plug fixing holes, a rubber head inserting hole and a wire penetrating hole, an external commercial power wire penetrates through the wire penetrating hole to be connected with the PCB, K-704 organic silica gel is arranged between the commercial power wire and the wire penetrating hole to seal, a bolt penetrates through the row of plug fixing holes to be fixed on an external object, a screw is arranged to fix the PCB on the PCB fixing hole, and the front row of plug cover plates are fixed on the rubber head inserting hole by the front cover plate fixing rubber head.
Further, the front cover plate of the extension socket is provided with a jack, the jack is provided with a silica gel pad, and the external plug is closely contacted with the silica gel pad.
Further, the PCB board includes transformer circuit, electric quantity storage circuit, power supply circuit, voltage conversion circuit, controller circuit, socket control circuit, voltage and current sampling circuit, zero crossing detection circuit, wireless communication circuit and overcurrent detection circuit, transformer circuit's input is connected with the commercial power, and transformer circuit is connected with power supply circuit through electric quantity storage circuit, power supply circuit is connected with voltage conversion circuit, controller circuit is connected with socket circuit through socket control circuit, voltage and current sampling circuit, zero crossing detection circuit and overcurrent detection circuit's input all are connected with socket circuit, and the output all is connected with controller circuit, and controller circuit is connected with server wireless connection through wireless communication circuit.
Further, the electric quantity storage circuit comprises a capacitor C1-C2, a resistor R19 and a diode D14, one end of the resistor R19 is connected with a power line, the other end of the resistor R19 is connected with the positive electrode of the capacitor C1, the negative electrode of the capacitor C1 is connected with the positive electrode of the capacitor C2, the negative electrode of the capacitor C2 is grounded, the input end of the diode D14 is connected with the positive electrode of the capacitor C1, and the output end of the diode D is connected with the power line.
Further, the socket control circuit comprises a power relay RL1, resistors R29-R30, a diode D21, a triode Q1 and an inductor L52, one end of a switch wire of the power relay RL1 is connected with the mains supply, the other end of the switch wire is connected with the socket circuit, one control wire is connected with the power supply, the other control wire end is connected with the C pole of the triode Q1 and the input end of the diode D21, the output end of the diode D21 is connected with the power supply, one end of the resistor R29 is connected with an IO port of the controller circuit, the other end of the resistor R29 is connected with the b pole of the triode Q1 and one end of the resistor R30, the e pole of the triode Q1 is connected with the other end of the resistor R30, one end of the inductor L52 and the ground, and the other end of the inductor L52 is grounded.
Further, the overcurrent detection circuit comprises a current waveform amplifying circuit, a voltage follower circuit, an alternating current positive half-wave detection circuit and an alternating current negative half-wave detection circuit, wherein the output end of the voltage follower circuit is connected with the current waveform amplifying circuit, the digital end of the current waveform amplifying circuit is respectively connected with the alternating current positive half-wave detection circuit and the alternating current negative half-wave detection circuit, the voltage follower circuit comprises an inductor L51, a capacitor C52-C53, a resistor R83-R84, a resistor 54 and an amplifier U5D, one end of the inductor L51 is connected with one end of a direct current power supply and the capacitor C52, the other end is connected with the other direct current power supply input end, one end of the capacitor C53 and one end of the resistor R83, the other end of the capacitor C53 is connected with the other end of the capacitor C52 and grounded, the other end of the resistor R83 is connected with one end of the resistor R84 and the positive input end of the amplifier U5D, the other end of the resistor R84 is grounded, the negative input end of the amplifier U5D is connected with the output end and one end of the resistor R54, the current waveform amplifying circuit comprises a capacitor C50-C51, a capacitor C70-C71, resistors R52-R53 and R55 and an amplifier U5C, the capacitor C70 and the capacitor C71 are respectively connected in series with two wires of alternating current input, the resistor R52 and the resistor R53 are respectively connected in series with the rear ends of the capacitor C70 and the capacitor C71, the positive input end and the negative input end of the amplifier U5C are respectively connected with one ends of the resistor R52 and the resistor R53, one end of the resistor R55 is connected with the negative input end of the amplifier U5C, the other end is connected with the output end of the amplifier U5C, the alternating current positive half-wave detection circuit comprises a resistor R81-R82, a resistor R59, a capacitor C55 and an amplifier U5B, the negative input end of the amplifier U5B is connected with the output end of the amplifier U5C through the resistor R59, one end of a resistor R82 is connected with a power supply, the other end of the resistor R82 is connected with one end of a capacitor C55, one end of the resistor R81 is connected with the positive input end of an amplifier U5B, the other end of the resistor R81 is connected with the other end of the capacitor C55 and grounded, the alternating current negative half-wave detection circuit comprises resistors R56-R58, a capacitor C54 and an amplifier U5A, the negative input end of the amplifier U5A is connected with the output end of the amplifier U5C through the resistor R56, one end of the resistor R58 is connected with the power supply, the other end of the resistor R58 is connected with one end of the capacitor C54, one end of the resistor R57 is connected with the positive input end of the amplifier U5A, and the other end of the resistor R57 is connected with the other end of the capacitor C54 and grounded.
Further, the zero-crossing detection circuit comprises an operational amplifier U9, resistors R95-R96 and a capacitor C67, wherein the positive input end of the operational amplifier U9 is grounded, the negative input end of the operational amplifier U9 is connected with one end of the resistor R95 and one end of the resistor R96, the other end of the resistor R96 is connected with a live wire of the socket circuit, the other end of the resistor R95 is connected with the output end of the operational amplifier U9, one end of the capacitor C67 is connected with a direct-current power supply and the power supply of the operational amplifier U9, and the other end of the capacitor C67 is grounded.
A charging method of a waterproof charging socket is characterized in that a plurality of wireless sockets, a management host and a server are arranged, the plurality of wireless sockets are in wireless connection with the management host, the management host is in wired or wireless connection with the server, a user inserts the sockets into the idle wireless sockets, scans two-dimension codes on the wireless sockets, selects charging and charging amount, charges payment amount, a user mobile phone is connected with the server, after receiving the payment amount, the server sends a charging instruction to the management host, the management host sends wireless data to the wireless sockets in a wireless mode according to the charging instruction, and the wireless sockets are started to charge to finish charging.
Further, a wireless module, a gateway manager and a 4G module are arranged on the management host, the gateway manager is connected with the server through the 4G module, the gateway manager is connected with a plurality of wireless sockets through the wireless module, the gateway manager configures and manages the gateways of the plurality of wireless sockets, the server is provided with an operation monitoring platform, an operation and maintenance monitoring platform and an equipment monitoring platform, the operation monitoring platform is used for detecting the state of the charging socket, charging data, user portraits and operation data of each site, and analyzing whether the charging site needs to be added with the charging socket or reduce the scheme of charging according to the utilization rate of the charging socket, the utilization time of the charging user data and site charging data, the operation and maintenance monitoring platform is used for safety monitoring, checking the alarm operation condition of each charging station, when an alarm is generated, the system automatically sends a notification to related responsibility person, timely troubleshooting the problem and solves the fault, the state of the equipment monitoring platform is used for monitoring the state of the equipment, the state of the real-time monitoring equipment, and the position and the abnormal socket are located when the socket is abnormal, and the abnormal problem of the abnormal socket is found, and the manager is maintained.
The invention adopts the technical proposal and has the following technical effects:
1. the socket provided by the invention is convenient to use, has the advantages of good waterproof performance and waterproof effect, realizes offline charging, power-off continuous charging, full automatic stop, hardware self-detection, and has the functions of dust prevention, water prevention, insulation, fire prevention, time-limited protection, overload protection, short-circuit protection, power mutation protection, overvoltage protection and undervoltage protection;
2. the charging method adopts a gateway-electric pile wireless networking mode to form a personal area network for data communication, and the charging equipment carries out uplink and downlink data transmission with the rear-end server through the network, so that the charging equipment is convenient to install and low in cost, and is not limited by the topography and the number of sockets; the number of the single electric pile network nodes can reach 1-90, and the multi-network compatibility is satisfied, so that the use requirements of most installation scenes can be satisfied; and the maintenance is easy, and the whole network communication is not affected by the fault of a single charging socket.
3. The gateway carries out centralized management on the networking charging equipment, carries out data forwarding and processing through the 4G and the background, has stable network communication quality and low disconnection rate, reduces communication flow while meeting daily switching power operation and power data transmission, and reduces operation and maintenance costs of software and hardware.
4. For the traditional charging pile with centralized control of multiplexing output, each socket of the scheme is provided with an independent power supply module, and the charging circuit is independently subjected to voltage stabilization, overvoltage, overcurrent, power detection and abnormal circuit protection operation, so that abnormal risks are dispersed to each socket, and the safety of products is improved.
5. The charging socket has the functions of mobile phone code scanning and power on, remote power off, charging data real-time monitoring, order independent management and remote upgrading, and charging requirements of different users are considered; the charging socket monitors charging data in real time, finds out abnormality and timely cuts off power supply and informs a user, so that the charging safety risk is effectively avoided; the server generates a voltage curve, a current curve and a power curve based on charging data such as voltage, current, power, electric quantity and the like uploaded by each charging socket in real time, and the power assisting operation and maintenance personnel know the circuit state of the charging vehicle by analyzing the curves and inform the data to a user so that the user can master the charging condition of the vehicle.
Drawings
Fig. 1 is a front view of a socket of the present invention.
Fig. 2 is a side view of the receptacle of the present invention.
Fig. 3 is a front view of the socket of the present invention with the front cover removed.
Fig. 4 is a circuit block diagram of a PCB board of the present invention.
Fig. 5 is a schematic diagram of a power circuit of the present invention.
Fig. 6 is a schematic diagram of a voltage-current sampling circuit and a socket circuit according to the present invention.
Fig. 7 is a schematic diagram of a controller circuit according to the present invention.
Fig. 8 is a schematic diagram of a zero crossing detection circuit of the present invention.
Fig. 9 is a schematic diagram of a jack control circuit of the present invention.
Fig. 10 is a schematic diagram of an overcurrent detection circuit according to the present invention.
Fig. 11 is a schematic diagram of a charging method according to the present invention.
Reference numerals in the drawings: 1-a socket housing; 2-a front patch panel; 3-jack; 4-fixing the rubber head on the front cover plate; 5-a waterproof rear cover plate; 6-PCB fixing holes; 7-arranging a plug fixing hole; 8-a rubber head inserting hole; 9-wire perforation.
Detailed Description
The present invention will be described in further detail with reference to preferred embodiments for the purpose of making the objects, technical solutions and advantages of the present invention more apparent. It should be noted, however, that many of the details set forth in the description are merely provided to provide a thorough understanding of one or more aspects of the invention, and that these aspects of the invention may be practiced without these specific details.
1-3, including socket housing 1, row insert front shroud 2, waterproof back shroud 5 and PCB board, waterproof back shroud 5 sets up the rear end at socket housing 1, the PCB board is fixed on waterproof back shroud 5, row insert front shroud 2 is fixed at the front end of socket housing 1, and socket housing 1's front end top sets up to protruding structure, and protruding structure sets up to the waterproof house eaves board of U-shaped, and the PCB board is provided with the socket, and the PCB board is connected with outside commercial power line. The joint of row inserts front shroud 2 and socket housing 1 is provided with joint strip, is provided with PCB board fixed orifices 6 on the row inserts front shroud 2, arranges to insert fixed orifices 7, glues first patchhole 8 and electric wire perforation 9, and outside commercial power electric wire passes electric wire perforation 9 and is connected with the PCB board, is provided with K-704 organic silica gel between commercial power electric wire and the electric wire perforation 9 and seals, sets up the bolt and passes row and insert fixed orifices 7 to fix on the external object, sets up the screw and fixes the PCB board on PCB board fixed orifices 6, sets up front shroud fixed gluey head 4 and fixes row inserts front shroud 2 on gluey first patchhole 8. The front cover plate 2 of the socket is provided with a jack 3, the jack 3 is provided with a silica gel pad, and an external plug is closely contacted with the silica gel pad.
A sealing silica gel pad is arranged in the socket hole and the socket channel, the protruding part of the shell is a U-shaped waterproof roof cornice, a sealing rubber strip is arranged on a waterproof back cover plate, the waterproof back cover plate is fixed on the shell through screws, and a zero-live wire outlet below the shell is sealed by using K-704 organic silica gel. When charging connector inserts on the socket, the equal in close contact of socket and charging connector, many places are installed the silica gel pad additional and are sealed, effectively strengthen waterproof performance, if meet rainy, the waterproof house eaves board of U-shaped can block the rainwater, prevents that the rainwater from flowing into the socket through the jack, effectively avoids taking place the short circuit and damaging the socket that charges.
In the embodiment of the invention, as shown in fig. 4, the PCB board comprises a transformation circuit, an electric quantity storage circuit, a power supply circuit, a voltage conversion circuit, a controller circuit, a socket control circuit, a voltage and current sampling circuit, a zero-crossing detection circuit, a wireless communication circuit and an overcurrent detection circuit, wherein the input end of the transformation circuit is connected with the mains supply, the transformation circuit is connected with the power supply circuit through the electric quantity storage circuit, the power supply circuit is connected with the voltage conversion circuit, the controller circuit is connected with the socket circuit through the socket control circuit, the input ends of the voltage and current sampling circuit, the zero-crossing detection circuit and the overcurrent detection circuit are all connected with the socket circuit, and the output end of the voltage and current sampling circuit, the zero-crossing detection circuit and the overcurrent detection circuit are all connected with the controller circuit, and the controller circuit is connected with the server through the wireless communication circuit.
As shown in fig. 5-10, the electric quantity storage circuit comprises a capacitor C1-C2, a resistor R19 and a diode D14, wherein one end of the resistor R19 is connected with a power line, the other end of the resistor R is connected with the anode of the capacitor C1, the cathode of the capacitor C1 is connected with the anode of the capacitor C2, the cathode of the capacitor C2 is grounded, the input end of the diode D14 is connected with the anode of the capacitor C1, and the output end of the diode D is connected with the power line.
The socket control circuit comprises a power relay RL1, resistors R29-R30, a diode D21, a triode Q1 and an inductor L52, wherein one end of a switch wire of the power relay RL1 is connected with mains supply, the other end of the switch wire is connected with the socket circuit, one control wire is connected with a power supply, the other control wire end is connected with a C pole of the triode Q1 and an input end of the diode D21, an output end of the diode D21 is connected with the power supply, one end of the resistor R29 is connected with an IO port of the controller circuit, the other end of the resistor R29 is connected with a b pole of the triode Q1 and one end of the resistor R30, an e pole of the triode Q1 is connected with the other end of the resistor R30, one end of the inductor L52 and the ground, and the other end of the inductor L52 is grounded.
The overcurrent detection circuit comprises a current waveform amplifying circuit, a voltage following circuit, an alternating current positive half-wave detection circuit and an alternating current negative half-wave detection circuit, wherein the output end of the voltage following circuit is connected with the current waveform amplifying circuit, the digital end of the current waveform amplifying circuit is respectively connected with the alternating current positive half-wave detection circuit and the alternating current negative half-wave detection circuit, the voltage following circuit comprises an inductor L51, a capacitor C52-C53, a resistor R83-R84, a resistor 54 and an amplifier U5D, one end of the inductor L51 is connected with one end of a direct current power supply and the capacitor C52, the other end is connected with the other direct current power supply input end, one end of the capacitor C53 and one end of the resistor R83, the other end of the capacitor C53 is connected with the other end of the capacitor C52 and grounded, the other end of the resistor R83 is connected with one end of the resistor R84 and the positive input end of the amplifier U5D, the other end of the resistor R84 is grounded, the negative input end of the amplifier U5D is connected with the output end and one end of the resistor R54, the current waveform amplifying circuit comprises a capacitor C50-C51, a capacitor C70-C71, resistors R52-R53 and R55 and an amplifier U5C, the capacitor C70 and the capacitor C71 are respectively connected in series with two wires of alternating current input, the resistor R52 and the resistor R53 are respectively connected in series with the rear ends of the capacitor C70 and the capacitor C71, the positive input end and the negative input end of the amplifier U5C are respectively connected with one ends of the resistor R52 and the resistor R53, one end of the resistor R55 is connected with the negative input end of the amplifier U5C, the other end is connected with the output end of the amplifier U5C, the alternating current positive half-wave detection circuit comprises a resistor R81-R82, a resistor R59, a capacitor C55 and an amplifier U5B, the negative input end of the amplifier U5B is connected with the output end of the amplifier U5C through the resistor R59, one end of a resistor R82 is connected with a power supply, the other end of the resistor R82 is connected with one end of a capacitor C55, one end of the resistor R81 is connected with the positive input end of an amplifier U5B, the other end of the resistor R81 is connected with the other end of the capacitor C55 and grounded, the alternating current negative half-wave detection circuit comprises resistors R56-R58, a capacitor C54 and an amplifier U5A, the negative input end of the amplifier U5A is connected with the output end of the amplifier U5C through the resistor R56, one end of the resistor R58 is connected with the power supply, the other end of the resistor R58 is connected with one end of the capacitor C54, one end of the resistor R57 is connected with the positive input end of the amplifier U5A, and the other end of the resistor R57 is connected with the other end of the capacitor C54 and grounded.
The zero-crossing detection circuit comprises an operational amplifier U9, resistors R95-R96 and a capacitor C67, wherein the positive input end of the operational amplifier U9 is grounded, the negative input end of the operational amplifier U9 is connected with one end of the resistor R95 and one end of the resistor R96, the other end of the resistor R96 is connected with a live wire of the socket circuit, the other end of the resistor R95 is connected with the output end of the operational amplifier U9, one end of the capacitor C67 is connected with a direct-current power supply and the power supply of the operational amplifier U9, and the other end of the capacitor C67 is grounded.
As shown in fig. 5-10, F1 is a switching power supply input fuse, protecting the switching power supply. And C57 is a safety X2 capacitor, and the capacitor cannot generate electric shock when being invalid, so that personal safety is not endangered, and meanwhile, the capacitor is also a component part of the EMI filter and is used for filtering differential mode interference. L0 is common mode inductance, and is a component part of the EMI filter for filtering common mode interference. D11 is a rectifier bridge, converting alternating current into direct current; c11 is a filter capacitor and is matched with the rectifier bridge, so that direct current is more gentle; u1 power supply chip, T1A, T1B high-frequency transformer, D13, D15 diode, R11, R13, R14, R15, R16, R17 resistance, C12, C13, C15, 16, C17 electric capacity jointly form switching power supply, converts 310V high-voltage direct current into 5V low-voltage direct current. And C1 and C2 large-capacity capacitors can still maintain the operation of the singlechip for a plurality of seconds when 220V is powered off, and the current state is stored and sent to a server. R19 resistance is C1 and C2 charging resistance;
d14 diodes are C1, C2 discharge diodes. TVS1 and TVS2 are transient suppression diodes for suppressing transient surges of the 5V power supply; the U4 power chip converts 5V into 3.3V; c21, C22, C34, C35, C42, C44, C45, C52, C53, C62, C63, C64, C65, C66, C67 are filter capacitors. L31, L51, L52 and L55 are filter inductors; MOV1 is a piezoresistor for 220V transient voltage protection; the F2 fuse protects the 220V charging loop.
RL1 is a power relay, J2 is a charging socket, and R5 is a current sampling resistor; r31, R32 resistance, C31, C32 electric capacity, constitute the current sampling input circuit. R33, R34, R35, R36 and R37 resistors and C33 capacitors form a voltage sampling input circuit.
U3 is a power acquisition chip, R29, R30 resistors, Q1 triode and D21 diode, and forms a relay control circuit. And the U9 operational amplifier, R96 and R95 resistors form a zero-crossing detection circuit for judging whether 220V is normal or not. R50, R51, R52, R53, R55 resistance, C50, C51 capacitance, U5C operational amplifier, constitute alternating current waveform amplifying circuit. The resistors R83, R84 and R54 and the U5D operational amplifier form a voltage follower circuit, and a fixed direct current component is added to the alternating current waveform, so that the current sine wave waveform is complete. R59, R81, R82 resistance, C55 capacitance, U5B operational amplifier constitute the comparator, detect whether alternating current waveform positive half wave overflows or short circuit. R56, R57, R58 resistance, C54 capacitance, U5A operational amplifier constitute the comparator, detect whether alternating current waveform negative half wave overflows or short circuit. U2 is a singlechip, and is used for controlling the whole circuit, R90, R91 and R92 resistors, C58, C59 and C60 capacitors and Y61 crystal oscillator to form a singlechip U2 minimum system operation circuit. R97 resistance, L53, L54 inductance, ANT1 antenna constitute wireless radio frequency circuit, and U8 is flash memory chip for the relevant parameter of memory system.
A charging method of a waterproof charging socket is disclosed in fig. 11, wherein a plurality of wireless sockets, a management host and a server are arranged, the plurality of wireless sockets are in wireless connection with the management host, the management host is in wired or wireless connection with the server, a user inserts the sockets into the idle wireless sockets, the user scans two-dimension codes on the wireless sockets, charging and charging amount are selected, payment amount is charged, a user mobile phone is connected with the server, after receiving the payment amount, the server sends a charging instruction to the management host, the management host sends wireless data to the wireless sockets through wireless according to the charging instruction, and the wireless sockets are started to charge to finish charging.
The management host is provided with a wireless module, a gateway manager and a 4G module, the gateway manager is connected with the server through the 4G module, the gateway manager is connected with a plurality of wireless sockets through the wireless module in a wireless mode, the gateway manager configures and manages the gateways of the plurality of wireless sockets, the server is provided with an operation monitoring platform, an operation and maintenance monitoring platform and an equipment monitoring platform, the operation monitoring platform is used for detecting the state of a charging socket, charging data, user portraits and operation data of each site, analyzing whether the charging site needs to be added with the charging socket or reduce the charging scheme according to the utilization rate of the charging socket, the service time, the charging user data and the site charging data, the operation and maintenance monitoring platform is used for safety monitoring, checking the alarm operation condition of each charging station, when an alarm is generated, the system automatically informs related responsibility personnel, timely checks the problem and solves the fault, the equipment monitoring platform is used for monitoring the information of the state of the equipment, the position distribution, the abnormal alarm and the state of flow cards, and sending the specific problem of the abnormal socket to the manager for maintenance when the socket is abnormal.
Charging socket real-time monitoring, automatic operation and maintenance, anti-theft charging, intelligent warning, comprehensive attribute modeling, business intelligence and charging cloud atlas. The charge ssas service will core platform capabilities and hardware device invocation capabilities. The method is opened to operators with customization demands, and the operators can rapidly meet the customization demands of customers through paying treasured trails or embedding Kaiyun charging SD K and H5 page customization services.
The code scanning and the number are powered on, the payment is convenient and fast, and the real-time message informs the moon card of payment, so that the charging is more convenient and money is saved. Remote control switch is powered on, continuous charging is carried out after power failure, charging records are checked at any time, charging is flexible, and payment is safe. And (3) rapidly installing and configuring equipment, monitoring the state of the equipment in real time, and checking the distribution condition of the host computers and the sockets of all sites. And checking the income situation, trading statement information and charging data analysis at any time in real time, and easily realizing site management. The system has the characteristics of platform safety monitoring management, platform expansion capability, big data analysis and the like, and the power-assisted government and the supervision departments know the condition of the charging station in the district. The equipment is monitored in real time, the operation and maintenance are automated, and the management is more reliable. And socket operation indexes including real-time power, charging time and various abnormal warnings are comprehensively monitored, so that excellent user experience is ensured.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (7)
1. A waterproof charging socket, its characterized in that: the waterproof socket comprises a socket shell (1), a socket front cover plate (2), a waterproof rear cover plate (5) and a PCB (printed circuit board), wherein the waterproof rear cover plate (5) is arranged at the rear end of the socket shell (1), the PCB is fixed on the waterproof rear cover plate (5), the socket front cover plate (2) is fixed at the front end of the socket shell (1), a protruding structure is arranged above the front end of the socket shell (1), the protruding structure is a U-shaped waterproof roof cornice, the PCB is provided with a socket, and the PCB is connected with an external commercial power line;
the overcurrent detection circuit comprises a current waveform amplifying circuit, a voltage following circuit, an alternating current positive half-wave detection circuit and an alternating current negative half-wave detection circuit, wherein the output end of the voltage following circuit is connected with the current waveform amplifying circuit, the digital end of the current waveform amplifying circuit is respectively connected with the alternating current positive half-wave detection circuit and the alternating current negative half-wave detection circuit, the voltage following circuit comprises an inductor L51, a capacitor C52-C53, a resistor R83-R84, a resistor 54 and an amplifier U5D, one end of the inductor L51 is connected with one end of a direct current power supply and the capacitor C52, the other end is connected with the other direct current power supply input end, one end of the capacitor C53 and one end of the resistor R83, the other end of the capacitor C53 is connected with the other end of the capacitor C52 and grounded, the other end of the resistor R83 is connected with one end of the resistor R84 and the positive input end of the amplifier U5D, the other end of the resistor R84 is grounded, the negative input end of the amplifier U5D is connected with the output end and one end of the resistor R54, the current waveform amplifying circuit comprises a capacitor C50-C51, a capacitor C70-C71, resistors R52-R53 and R55 and an amplifier U5C, the capacitor C70 and the capacitor C71 are respectively connected in series with two wires of alternating current input, the resistor R52 and the resistor R53 are respectively connected in series with the rear ends of the capacitor C70 and the capacitor C71, the positive input end and the negative input end of the amplifier U5C are respectively connected with one ends of the resistor R52 and the resistor R53, one end of the resistor R55 is connected with the negative input end of the amplifier U5C, the other end is connected with the output end of the amplifier U5C, the alternating current positive half-wave detection circuit comprises a resistor R81-R82, a resistor R59, a capacitor C55 and an amplifier U5B, the negative input end of the amplifier U5B is connected with the output end of the amplifier U5C through the resistor R59, one end of a resistor R82 is connected with a power supply, the other end of the resistor R82 is connected with one end of a capacitor C55, one end of the resistor R81 is connected with the positive input end of an amplifier U5B, the other end of the resistor R81 is connected with the other end of the capacitor C55 and grounded, an alternating current negative half-wave detection circuit comprises resistors R56-R58, a capacitor C54 and an amplifier U5A, the negative input end of the amplifier U5A is connected with the output end of the amplifier U5C through the resistor R56, one end of the resistor R58 is connected with the power supply, the other end of the resistor R58 is connected with one end of the capacitor C54, one end of the resistor R57 is connected with the positive input end of the amplifier U5A, and the other end of the resistor R57 is connected with the other end of the capacitor C54 and grounded;
the zero-crossing detection circuit comprises an operational amplifier U9, resistors R95-R96 and a capacitor C67, wherein the positive input end of the operational amplifier U9 is grounded, the negative input end of the operational amplifier U9 is connected with one end of the resistor R95 and one end of the resistor R96, the other end of the resistor R96 is connected with a live wire of the socket circuit, the other end of the resistor R95 is connected with the output end of the operational amplifier U9, one end of the capacitor C67 is connected with a direct-current power supply and the power supply of the operational amplifier U9, and the other end of the capacitor C67 is grounded;
the PCB board includes transformer circuit, electric quantity storage circuit, power supply circuit, voltage conversion circuit, controller circuit, socket control circuit, voltage and current sampling circuit, zero crossing detection circuit, wireless communication circuit and overcurrent detection circuit, transformer circuit's input is connected with the commercial power, and transformer circuit is connected with power supply circuit through electric quantity storage circuit, power supply circuit is connected with voltage conversion circuit, controller circuit is connected with socket circuit through socket control circuit, voltage and current sampling circuit, zero crossing detection circuit and overcurrent detection circuit's input all are connected with socket circuit, and the output all is connected with controller circuit, and controller circuit is connected with server wireless connection through wireless communication circuit.
2. A waterproof charging socket according to claim 1, wherein: the connection part of the row plug front cover plate (2) and the socket shell (1) is provided with a sealing rubber strip, the row plug front cover plate (2) is provided with a PCB fixing hole (6), a row plug fixing hole (7), a rubber head inserting hole (8) and an electric wire perforating hole (9), an external commercial power wire penetrates through the electric wire perforating hole (9) to be connected with the PCB, K-704 organic silica gel is arranged between the commercial power wire and the electric wire perforating hole (9) to seal, a bolt penetrates through the row plug fixing hole (7) to be fixed on an external object, a screw is arranged to fix the PCB on the PCB fixing hole (6), and the row plug front cover plate (2) is fixed on the rubber head inserting hole (8) through the front cover plate fixing rubber head (4).
3. A waterproof charging socket according to claim 2, wherein: the front cover plate (2) of the socket is provided with a jack (3), the jack (3) is provided with a silica gel pad, and the external plug is closely contacted with the silica gel pad.
4. A waterproof charging socket according to claim 3, wherein: the electric quantity storage circuit comprises capacitors C1-C2, a resistor R19 and a diode D14, one end of the resistor R19 is connected with a power line, the other end of the resistor R19 is connected with the positive electrode of the capacitor C1, the negative electrode of the capacitor C1 is connected with the positive electrode of the capacitor C2, the negative electrode of the capacitor C2 is grounded, the input end of the diode D14 is connected with the positive electrode of the capacitor C1, and the output end of the diode D is connected with the power line.
5. A waterproof charging socket according to claim 3, wherein: the socket control circuit comprises a power relay RL1, resistors R29-R30, a diode D21, a triode Q1 and an inductor L52, wherein one end of a switch wire of the power relay RL1 is connected with mains supply, the other end of the switch wire is connected with the socket circuit, one control wire is connected with a power supply, the other control wire end is connected with a C pole of the triode Q1 and an input end of the diode D21, an output end of the diode D21 is connected with the power supply, one end of the resistor R29 is connected with an IO port of the controller circuit, the other end of the resistor R29 is connected with a b pole of the triode Q1 and one end of the resistor R30, an e pole of the triode Q1 is connected with the other end of the resistor R30, one end of the inductor L52 and the ground, and the other end of the inductor L52 is grounded.
6. A method of charging a waterproof charging jack according to any one of claims 1 to 5, wherein: the wireless socket is connected with the management host in a wired or wireless mode, a user inserts the socket into an idle wireless socket, the user scans two-dimension codes on the wireless socket, the user selects charging and charging amount, payment amount is charged, a user mobile phone is connected with the server, after receiving the payment amount, the server sends a charging instruction to the management host, the management host sends wireless data to the wireless socket in a wireless mode according to the charging instruction, and the wireless socket is started to charge to finish charging.
7. The charging method of a waterproof charging jack of claim 6, wherein: the management host is provided with a wireless module, a gateway manager and a 4G module, the gateway manager is connected with the server through the 4G module, the gateway manager is connected with a plurality of wireless sockets through the wireless module in a wireless mode, the gateway manager configures and manages the gateways of the plurality of wireless sockets, the server is provided with an operation monitoring platform, an operation and maintenance monitoring platform and an equipment monitoring platform, the operation monitoring platform is used for detecting the state of a charging socket, charging data, user portraits and operation data of each site, analyzing whether the charging site needs to be added with the charging socket or reduce the charging scheme according to the utilization rate of the charging socket, the service time, the charging user data and the site charging data, the operation and maintenance monitoring platform is used for safety monitoring, checking the alarm operation condition of each charging station, when an alarm is generated, the system automatically informs related responsibility personnel, timely checks the problem and solves the fault, the equipment monitoring platform is used for monitoring the information of the state of the equipment, the position distribution, the abnormal alarm and the state of flow cards, and sending the specific problem of the abnormal socket to the manager for maintenance when the socket is abnormal.
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Effective date of registration: 20240910 Address after: 530000, 1st Floor, Building 8, No. 237 Wangzhou South Road, Xingning District, Nanning City, Guangxi Zhuang Autonomous Region Patentee after: GUANGXI LETTER KAY SECURITY ENGINEERING CO.,LTD. Country or region after: China Address before: 530000 kindergarten, 237 Wangzhou South Road, Xingning District, Nanning City, Guangxi Zhuang Autonomous Region Patentee before: Guangxi Zhongkai Technology Co.,Ltd. Country or region before: China |