CN109274155A - Wireless private network charging pile control system based on 1.8G frequency range - Google Patents
Wireless private network charging pile control system based on 1.8G frequency range Download PDFInfo
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- CN109274155A CN109274155A CN201811361978.5A CN201811361978A CN109274155A CN 109274155 A CN109274155 A CN 109274155A CN 201811361978 A CN201811361978 A CN 201811361978A CN 109274155 A CN109274155 A CN 109274155A
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- 238000004891 communication Methods 0.000 claims abstract description 23
- 238000012544 monitoring process Methods 0.000 claims abstract description 19
- 238000001514 detection method Methods 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 9
- 239000004065 semiconductor Substances 0.000 claims description 65
- 239000003381 stabilizer Substances 0.000 claims description 28
- 239000003990 capacitor Substances 0.000 claims description 24
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 15
- 229910052710 silicon Inorganic materials 0.000 claims description 15
- 239000010703 silicon Substances 0.000 claims description 15
- 230000006855 networking Effects 0.000 claims description 8
- 238000005070 sampling Methods 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 5
- 238000011010 flushing procedure Methods 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 230000003750 conditioning effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- H02J7/0077—
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
A kind of wireless private network charging pile control system based on 1.8G frequency range provided by the invention, including power supply unit, control unit, charging pile controller, 1.8GHz wireless network module and remote power monitoring service unit；Said supply unit, for alternating current to be converted to electric energy required for vehicle and is supplied to vehicle；Control unit works for detecting the power supply state in power supply unit power supply process, and according to the start and stop that power supply state controls power supply unit；Charging pile controller exports control instruction to control unit for the detection signal of reception control unit and the instruction of remote power monitoring service unit；Remote power monitoring service unit is communicated to connect by 1.8GHz wireless network module and charging pile controller, exports control instruction for obtaining real time charging information, and to charging pile controller；It can ensure that the real time communication of multiple charging pile high amount of traffic, there is transmission rate height, strong real-time, strong security, and do not need individually to be laid with dedicated communications cable, use cost is low.
Description
Technical field
The present invention relates to charging pile fields more particularly to a kind of wireless private network charging pile based on 1.8G frequency range to control system
System.
Background technique
As the development and the global high request for the energy, environment, electric car of the technology of electric car are possessed
Measure increasing, so that the demand of the charging pile for charging to electric vehicle is increasing, charging pile was charging
It needs that charging pile itself and monitoring system is made to establish communication connection relationship in journey, to upload in real time, currently, most of charging pile
It is all based on wired networking plan of RS485 and CAN or the public network networking plan of GPRS and WIFI, is needed based on wired networking plan
Specialized communication cable is laid in each parking lot or charging pile, higher cost and flexibility is poor；Networking side based on GPRS
Although case can access, number of nodes is higher, and the program haves the shortcomings that traffic rate is low, safety is poor and campus network is high.Base
Although the networking plan traffic rate in WIFI is higher, number of nodes is lower and transmission range is limited in the presence of can access for the program
The shortcomings that, it be easy to cause the charging pile signal of communication of covering marginal position unstable；On the other hand, existing charging pile itself
Stability is poor, carries out good protection to electric vehicle to be difficult to ensure.
In order to solve the above-mentioned technical problem, it needs to propose a kind of new solution.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of wireless private network charging pile control system based on 1.8G frequency range,
It can ensure that the real time communication of multiple charging pile high amount of traffic, there is transmission rate height, strong real-time, strong security, and be not required to
It to be individually laid with dedicated communications cable, use cost is low, moreover, entire charging pile system stability is good, it can be to electric car
Battery carry out good protection.
A kind of wireless private network charging pile control system based on 1.8G frequency range provided by the invention, including power supply unit, control
Unit, DC charging rifle, AC charging rifle, charging pile controller, 1.8GHz wireless network module and remote power monitoring processed
Service unit；
Said supply unit, for exporting direct current and alternating current, DC output end is connect with DC charging rifle, is handed over
Stream output end is connect with AC charging rifle；
Control unit for detecting the power supply state in power supply unit power supply process, and is controlled according to power supply state and is powered
The start and stop of unit work；
Charging pile controller, for the detection signal of reception control unit, the charging signals of DC charging rifle output, exchange
The instruction of the charging signals and remote power monitoring service unit of charging gun output exports control instruction to control unit；
Remote power monitoring service unit is communicated to connect by 1.8GHz wireless network module and charging pile controller, is used
Control instruction is exported in acquisition real time charging information, and to charging pile controller.
Further, said supply unit includes prime rectification circuit, inverter, rear class rectification circuit；
The input terminal of the prime rectification circuit is electrically connected with city, the output end of the prime rectification circuit and inverter
Input terminal connection, the output end of the inverter connect with the input terminal of rear class rectification circuit, the output end of the inverter and
The input terminal of AC charging rifle connects, and the output end of the rear class rectification circuit is connect with DC charging rifle, the AC charging
The communication interface of rifle and DC charging rifle and charging pile controller communicate to connect, and the control terminal and charging pile of the inverter control
Device connection.
Further, described control unit includes power supply protection control circuit and exchange output detection circuit；
The power supply protection control circuit is set between prime rectification circuit and inverter, the power supply protection control electricity
Road is also connect with charging pile controller；
The exchange output detection circuit is set to the output end of inverter, for acquiring the exchange telecommunications of inverter output
Number and monitoring signals are input to flushing device controller.
Further, the power supply protection control circuit includes fuse F1, voltage-stabiliser tube DW1, voltage-stabiliser tube DW2, voltage-stabiliser tube
DW3, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, resistance R9, resistance R10, electricity
Hold C1, capacitor C2, capacitor C3, silicon-controlled Q1, adjustable resistance RT, triode Q2, triode Q3, metal-oxide-semiconductor Q4, triode Q5, fortune
Put U1 and controllable source of stable pressure U2；
One end of the fuse F1 is connected to the positive output end of prime rectification circuit Z1, the other end connection of fuse F1
It drains in metal-oxide-semiconductor Q4, the points of common connection between fuse F1 and the drain electrode of metal-oxide-semiconductor Q4 is connect with the cathode of voltage-stabiliser tube DW1, surely
The anode of pressure pipe DW1 is grounded by resistance R1, and the anode of silicon-controlled Q1 is connected to the drain electrode of metal-oxide-semiconductor Q4, the cathode of silicon-controlled Q1
Ground connection, the control electrode of silicon-controlled Q1 are connected to the anode of voltage-stabiliser tube DW1 by resistance R2；
The drain electrode of metal-oxide-semiconductor Q1 is connect by resistance R3 with one end of adjustable resistance RT, the other end ground connection of adjustable resistance RT,
Points of common connection between adjustable resistance RT and resistance R3 is connect with the reference pole of controllable source of stable pressure U2, and the drain electrode of metal-oxide-semiconductor Q4 is logical
Resistance R4 and resistance R5 ground connection is crossed, the drain electrode of metal-oxide-semiconductor Q4 is also connect with the emitter of triode Q2, and the collector of triode Q2 connects
It is connected to the source electrode of metal-oxide-semiconductor Q4, the base stage of triode Q2 is connected to the points of common connection between resistance R4 and resistance R5, triode Q2
Base stage be grounded by capacitor C1, the drain electrode of metal-oxide-semiconductor Q4 is connect by resistance R6 with the grid of metal-oxide-semiconductor Q4, the grid of metal-oxide-semiconductor Q4
It is grounded by resistance R7, the collector of triode Q3 is connected to the drain electrode of metal-oxide-semiconductor Q4, and the emitter of triode Q3 is connected to MOS
The emitter of the grid of pipe Q4, triode Q3 is connect with the cathode of voltage-stabiliser tube DW2, the plus earth of voltage-stabiliser tube DW2, metal-oxide-semiconductor Q4
Source electrode be grounded by capacitor C2, the source electrode of metal-oxide-semiconductor Q4 is connect with the cathode of voltage-stabiliser tube DW3, the plus earth of voltage-stabiliser tube DW3,
Input of the source electrode of metal-oxide-semiconductor Q4 as the output end of power supply protection control circuit and the input terminal of inverter and DC charging rifle
End connection；
The reverse side of amplifier U1 is connected to the drain electrode of metal-oxide-semiconductor Q4, the in-phase end of amplifier U1 and controllable pressure stabilizing by resistance R8
The cathode of source U2 connects, and the cathode of the plus earth of controllable source of stable pressure U2, controllable source of stable pressure U2 is connected to MOS by resistance R11
The in-phase end of the drain electrode of pipe Q4, amplifier U1 is grounded by capacitor C3, and the output end of amplifier U1 is connect with one end of resistance R9, resistance
The other end of R9 is connect with the base stage of the base stage of triode Q3 and triode Q5 respectively；The emitter of triode Q5 is grounded, three poles
The collector of pipe Q5 is connected to the points of common connection between capacitor C2 and the source electrode of metal-oxide-semiconductor Q4；
One end of resistance R10 is connected to the points of common connection between resistance R3 and adjustable resistance RT, the other end of resistance R10
It is connected to charging pile controller；
Wherein, triode Q2 is p-type triode, and metal-oxide-semiconductor Q4 is p-type metal-oxide-semiconductor.
Further, the exchange output detection circuit includes transformer T1, sampling rectification circuit and sample circuit；
The primary coil of the transformer T1 is serially connected with the negative output terminal of inverter, the secondary coil of transformer T1 and sampling
The input terminal of rectification circuit connects, and the input terminal of the output end and sample circuit that sample rectification circuit connects, the sample circuit
Output end connect with the input terminal of charging pile controller.
Further, the remote power monitoring unit includes power regulation server and charging pile server；
The charging pile server is communicated to connect with charging pile controller by 1.8GHz wireless network module, the charging
Stake server is connected with power scheduling server communication.
It further, further include NFC reader, the NFC reader and charging pile controller communicate to connect.
Further, charging pile server and charging pile controller carry out group-net communication by the following method:
Wireless private network base station is to charging pile controller broadcast networking information, after charging pile controller receives mesh information, to
Wireless private network base station sending device essential information and access information, equipment essential information include: terminal name, terminal running state
With identity registration information；
After wireless private network base station receives access information, to charging pile controller distribution frequency point, IP address and MAC Address, and
Network management information table is established, after completing network information table foundation, wireless private network base station exists to each charging pile controller unicast
Net builds table information；
Charging pile controller according to frequency point, IP address and the MAC Address built in net in table information, adjust itself frequency point,
IP address and MAC Address are simultaneously linked into the wireless private network of 1.8 frequency ranges；
The equipment essential information for building table information and charging pile in net is sent to charging pile server by wireless private network base station, is filled
Electric stake server is by building the equipment essential information of table information and charging pile in net and controlling according to ICP/IP protocol and charging pile
Device sets up communication connection.
Beneficial effects of the present invention: through the invention, it can be ensured that the real time communication of multiple charging pile high amount of traffic has and passes
Defeated rate is high, strong real-time, strong security, and does not need individually to be laid with dedicated communications cable, and use cost is low, moreover, whole
A charging pile system stability is good, can carry out good protection to the battery of electric car.
Detailed description of the invention
The invention will be further described with reference to the accompanying drawings and examples:
Fig. 1 is the principle of the present invention structure chart.
Fig. 2 is power supply protection control circuit schematic diagram of the invention.
Fig. 3 is exchange output detection circuit of the invention.
Specific embodiment
Further description is made to the present invention below in conjunction with Figure of description:
A kind of wireless private network charging pile control system based on 1.8G frequency range provided by the invention, including power supply unit, control
Unit, DC charging rifle, AC charging rifle, charging pile controller, 1.8GHz wireless network module and remote power monitoring processed
Service unit；
Said supply unit, for exporting direct current and alternating current, DC output end is connect with DC charging rifle, is handed over
Stream output end is connect with AC charging rifle；
Control unit for detecting the power supply state in power supply unit power supply process, and is controlled according to power supply state and is powered
The start and stop of unit work；
Charging pile controller, for the detection signal of reception control unit, the charging signals of DC charging rifle output, exchange
The instruction of the charging signals and remote power monitoring service unit of charging gun output exports control instruction to control unit；
Remote power monitoring service unit is communicated to connect by 1.8GHz wireless network module and charging pile controller, is used
In obtaining real time charging information, and control instruction is exported to charging pile controller, wherein the remote power monitoring unit includes
Power regulation server and charging pile server；
The charging pile server is communicated to connect with charging pile controller by 1.8GHz wireless network module, the charging
Stake server connected with power scheduling server communication, pass through above structure, it can be ensured that multiple charging pile high amount of traffic it is real-time
Communication has transmission rate height, strong real-time, strong security, and does not need individually to be laid with dedicated communications cable, use cost
It is low, moreover, entire charging pile system stability is good, good protection can be carried out to the battery of electric car；Wherein, electric power
Dispatch server is used to send instruction by charging pile server, to realize scheduling controlling；Wherein, charging pile controller uses
Backup power source power supply, such as rechargeable storage battery, thus even if after starting fusing mechanism, it still can be with charging pile service
Device is communicated.
In the present embodiment, said supply unit includes prime rectification circuit, inverter, rear class rectification circuit；
The input terminal of the prime rectification circuit is electrically connected with city, the output end of the prime rectification circuit and inverter
Input terminal connection, the output end of the inverter connect with the input terminal of rear class rectification circuit, the output end of the inverter and
The input terminal of AC charging rifle connects, and the output end of the rear class rectification circuit is connect with DC charging rifle, the AC charging
The communication interface of rifle and DC charging rifle and charging pile controller communicate to connect, and the control terminal and charging pile of the inverter control
Device connection, prime rectification circuit and rear class rectification circuit use the whole bridge rectifier circuit of existing diode composition, inverter
The inverter formed using IGBT, DC charging rifle and AC charging rifle are the prior art, and not in this to go forth.
In the present embodiment, described control unit includes power supply protection control circuit and exchange output detection circuit；
The power supply protection control circuit is set between prime rectification circuit and inverter, the power supply protection control electricity
Road is also connect with charging pile controller；
The exchange output detection circuit is set to the output end of inverter, for acquiring the exchange telecommunications of inverter output
Number and monitoring signals are input to flushing device controller.
Specifically, the power supply protection control circuit includes fuse F1, voltage-stabiliser tube DW1, voltage-stabiliser tube DW2, voltage-stabiliser tube
DW3, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, resistance R9, resistance R10, electricity
Hold C1, capacitor C2, capacitor C3, silicon-controlled Q1, adjustable resistance RT, triode Q2, triode Q3, metal-oxide-semiconductor Q4, triode Q5, fortune
Put U1 and controllable source of stable pressure U2；Wherein, controllable source of stable pressure is TL431；
One end of the fuse F1 is connected to the positive output end of prime rectification circuit Z1, the other end connection of fuse F1
It drains in metal-oxide-semiconductor Q4, the points of common connection between fuse F1 and the drain electrode of metal-oxide-semiconductor Q4 is connect with the cathode of voltage-stabiliser tube DW1, surely
The anode of pressure pipe DW1 is grounded by resistance R1, and the anode of silicon-controlled Q1 is connected to the drain electrode of metal-oxide-semiconductor Q4, the cathode of silicon-controlled Q1
Ground connection, the control electrode of silicon-controlled Q1 are connected to the anode of voltage-stabiliser tube DW1 by resistance R2；
The drain electrode of metal-oxide-semiconductor Q1 is connect by resistance R3 with one end of adjustable resistance RT, the other end ground connection of adjustable resistance RT,
Points of common connection between adjustable resistance RT and resistance R3 is connect with the reference pole of controllable source of stable pressure U2, and the drain electrode of metal-oxide-semiconductor Q4 is logical
Resistance R4 and resistance R5 ground connection is crossed, the drain electrode of metal-oxide-semiconductor Q4 is also connect with the emitter of triode Q2, and the collector of triode Q2 connects
It is connected to the source electrode of metal-oxide-semiconductor Q4, the base stage of triode Q2 is connected to the points of common connection between resistance R4 and resistance R5, triode Q2
Base stage be grounded by capacitor C1, the drain electrode of metal-oxide-semiconductor Q4 is connect by resistance R6 with the grid of metal-oxide-semiconductor Q4, the grid of metal-oxide-semiconductor Q4
It is grounded by resistance R7, the collector of triode Q3 is connected to the drain electrode of metal-oxide-semiconductor Q4, and the emitter of triode Q3 is connected to MOS
The emitter of the grid of pipe Q4, triode Q3 is connect with the cathode of voltage-stabiliser tube DW2, the plus earth of voltage-stabiliser tube DW2, metal-oxide-semiconductor Q4
Source electrode be grounded by capacitor C2, the source electrode of metal-oxide-semiconductor Q4 is connect with the cathode of voltage-stabiliser tube DW3, the plus earth of voltage-stabiliser tube DW3,
Input of the source electrode of metal-oxide-semiconductor Q4 as the output end of power supply protection control circuit and the input terminal of inverter and DC charging rifle
End connection；
The reverse side of amplifier U1 is connected to the drain electrode of metal-oxide-semiconductor Q4, the in-phase end of amplifier U1 and controllable pressure stabilizing by resistance R8
The cathode of source U2 connects, and the cathode of the plus earth of controllable source of stable pressure U2, controllable source of stable pressure U2 is connected to MOS by resistance R11
The in-phase end of the drain electrode of pipe Q4, amplifier U1 is grounded by capacitor C3, and the output end of amplifier U1 is connect with one end of resistance R9, resistance
The other end of R9 is connect with the base stage of the base stage of triode Q3 and triode Q5 respectively；The emitter of triode Q5 is grounded, three poles
The collector of pipe Q5 is connected to the points of common connection between capacitor C2 and the source electrode of metal-oxide-semiconductor Q4；
One end of resistance R10 is connected to the points of common connection between resistance R3 and adjustable resistance RT, the other end of resistance R10
It is connected to charging pile controller；
Wherein, triode Q2 is p-type triode, and metal-oxide-semiconductor Q4 is p-type metal-oxide-semiconductor；When starting power up, power supply protection control
Circuit is without output, to prevent the impact to subsequent conditioning circuit, plays good protection, principle is as follows: powering on initial time, due to
The source voltage of metal-oxide-semiconductor and the difference of grid voltage are insufficient to allow metal-oxide-semiconductor to be connected, and electric current is charged by resistance R4 to C1, Er Qieyou
It is greater than base voltage in the emitter voltage of triode Q2, triode Q2 conducting can't be at this point, capacitor C2 is also electrically charged
Back-end circuit output, when the difference of the voltage of capacitor C2 and resistance R7 both end voltage is greater than the conducting voltage of metal-oxide-semiconductor Q4, MOS
Pipe Q4 conducting, also, since the charging of capacitor C1 acts on, so that the emitter voltage difference of the voltage of capacitor C1 and triode Q2
Less than the conducting voltage of triode Q2, Q2 cut-off by above structure, realizes the slow output of entire circuit, prevents to rear end
The impact of circuit；
Resistance R3 and adjustable resistance R4 samples prime rectification circuit output end direct current, and is made up of amplifier U1
Comparator with by the sampled voltage of resistance R8 compared with the setting voltage of controllable source of stable pressure U2, when being greater than setting voltage, then U1
High level is exported, triode Q3 and triode Q5 are simultaneously turned on, at this point, the grid voltage of metal-oxide-semiconductor Q4 increases, and source voltage subtracts
It is small, so that metal-oxide-semiconductor Q4 ends, the power supply of subsequent conditioning circuit is disconnected, also, triode Q5 continues to lead after metal-oxide-semiconductor Q4 cut-off
It is logical, it discharges capacitor C2, to prepare for starting next time；
When the voltage of prime rectification circuit output is excessive, i.e., greater than the safe voltage set, at this point, voltage-stabiliser tube DW1 is connected,
So that silicon-controlled Q1 conducting, after silicon-controlled Q1 conducting, entire back-end circuit short circuit, the electric current for flowing through fuse F1 increases, insurance
Silk F1 fusing, so that the battery to subsequent conditioning circuit and electric car carries out good protection；
Resistance R10 exports reference signal to charging pile controller, judges that entire circuit is in normal by the reference signal
It is normal condition as long as being insufficient to allow controlled silicon conducting even if there is fluctuation in operation, if resistance R10 no signal exports,
Then indicate that power-off or blown fuse protection starting, charging pile controller send corresponding alarm signal to charging pile server
Number.
In the present embodiment, the exchange output detection circuit includes transformer T1, sampling rectification circuit and sample circuit；
The primary coil of the transformer T1 is serially connected with the negative output terminal of inverter, the secondary coil of transformer T1 and sampling
The input terminal of rectification circuit connects, and the input terminal of the output end and sample circuit that sample rectification circuit connects, the sample circuit
Output end connect with the input terminal of charging pile controller, wherein sampling rectification circuit using existing diode composition it is complete
Bridge rectifier, sample circuit use existing sampling A/D chip, DC signal are converted to digital signal and are supplied to and is filled
Electric stake controller, charging pile controller control the duty ratio of the switch of the IGBT in inverter, thus right according to the signal of feedback
The power of inverter is adjusted.
It further include NFC reader in the present embodiment, the NFC reader and charging pile controller communicate to connect, and pass through
NFC reader, user for identification, and be conducive to carry out charging to user, it charges without scene, by associated with nfc card
Account payment, is easy to use；It for charging accounting, is then counted by the signal fed back in charging gun, existing charging
Rifle is provided with the detection function for the spent electric energy that charges, disconnects control function, and charging gun detects to charge during the charging process
Electric current and voltage and charging time, and it is sent to charging pile controller, thus realize charging, on the other hand, charging pile control
Device is according to dispatch command, and pause to charging gun output control instruction in use, can make charging gun without output, these are all existing
There is technology, be not belonging within the improvement threshold of the application, not in this to go forth.
In the present embodiment, charging pile server and charging pile controller carry out group-net communication by the following method:
Wireless private network base station is to charging pile controller broadcast networking information, after charging pile controller receives mesh information, to
Wireless private network base station sending device essential information and access information, equipment essential information include: terminal name, terminal running state
With identity registration information；
After wireless private network base station receives access information, to charging pile controller distribution frequency point, IP address and MAC Address, and
Network management information table is established, after completing network information table foundation, wireless private network base station exists to each charging pile controller unicast
Net builds table information；
Charging pile controller according to frequency point, IP address and the MAC Address built in net in table information, adjust itself frequency point,
IP address and MAC Address are simultaneously linked into the wireless private network of 1.8 frequency ranges；
The equipment essential information for building table information and charging pile in net is sent to charging pile server by wireless private network base station, is filled
Electric stake server is by building the equipment essential information of table information and charging pile in net and controlling according to ICP/IP protocol and charging pile
Device sets up communication connection.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the scope of the claims of invention.
Claims (8)
1. a kind of wireless private network charging pile control system based on 1.8G frequency range, it is characterised in that: single including power supply unit, control
Member, DC charging rifle, AC charging rifle, charging pile controller, 1.8GHz wireless network module and remote power monitoring service
Unit；
Said supply unit, for exporting direct current and alternating current, DC output end is connect with DC charging rifle, is exchanged defeated
Outlet is connect with AC charging rifle；
Control unit controls power supply unit for detecting the power supply state in power supply unit power supply process, and according to power supply state
Start and stop work；
Charging pile controller, for the detection signal of reception control unit, the charging signals of DC charging rifle output, AC charging
The instruction of the charging signals and remote power monitoring service unit of rifle output exports control instruction to control unit；
Remote power monitoring service unit is communicated to connect by 1.8GHz wireless network module and charging pile controller, for obtaining
Real time charging information is taken, and exports control instruction to charging pile controller.
2. the wireless private network charging pile control system based on 1.8G frequency range according to claim 1, it is characterised in that: the confession
Electric unit includes prime rectification circuit, inverter, rear class rectification circuit；
The input terminal of the prime rectification circuit is electrically connected with city, the input of the output end and inverter of the prime rectification circuit
End connection, the output end of the inverter connect with the input terminal of rear class rectification circuit, the output end of the inverter with exchange
The input terminal of charging gun connects, and the output end of the rear class rectification circuit is connect with DC charging rifle, the AC charging rifle with
The communication interface and charging pile controller of DC charging rifle communicate to connect, and the control terminal and charging pile controller of the inverter connect
It connects.
3. the wireless private network charging pile control system based on 1.8G frequency range according to claim 1, it is characterised in that: the control
Unit processed includes power supply protection control circuit and exchange output detection circuit；
The power supply protection control circuit is set between prime rectification circuit and inverter, and the power supply protection control circuit is also
It is connect with charging pile controller；
The exchange output detection circuit is set to the output end of inverter, for acquiring the ac signal of inverter output simultaneously
Monitoring signals are input to flushing device controller.
4. the wireless private network charging pile control system based on 1.8G frequency range according to claim 3, it is characterised in that: the confession
Electric protection control circuit includes fuse F1, voltage-stabiliser tube DW1, voltage-stabiliser tube DW2, voltage-stabiliser tube DW3, resistance R1, resistance R2, resistance
R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, resistance R9, resistance R10, capacitor C1, capacitor C2, capacitor C3, can
Control silicon Q1, adjustable resistance RT, triode Q2, triode Q3, metal-oxide-semiconductor Q4, triode Q5, amplifier U1 and controllable source of stable pressure U2；
One end of the fuse F1 is connected to the positive output end of prime rectification circuit Z1, and the other end of fuse F1 is connected to
Metal-oxide-semiconductor Q4 drain electrode, the points of common connection between fuse F1 and the drain electrode of metal-oxide-semiconductor Q4 are connect with the cathode of voltage-stabiliser tube DW1, pressure stabilizing
The anode of pipe DW1 is grounded by resistance R1, and the anode of silicon-controlled Q1 is connected to the drain electrode of metal-oxide-semiconductor Q4, and the cathode of silicon-controlled Q1 connects
Ground, the control electrode of silicon-controlled Q1 are connected to the anode of voltage-stabiliser tube DW1 by resistance R2；
The drain electrode of metal-oxide-semiconductor Q1 is connect by resistance R3 with one end of adjustable resistance RT, the other end ground connection of adjustable resistance RT, adjustable
Points of common connection between resistance RT and resistance R3 is connect with the reference pole of controllable source of stable pressure U2, and the drain electrode of metal-oxide-semiconductor Q4 passes through electricity
R4 and resistance R5 ground connection is hindered, the drain electrode of metal-oxide-semiconductor Q4 is also connect with the emitter of triode Q2, and the collector of triode Q2 is connected to
The source electrode of metal-oxide-semiconductor Q4, the base stage of triode Q2 are connected to the points of common connection between resistance R4 and resistance R5, the base of triode Q2
Pole is grounded by capacitor C1, and the drain electrode of metal-oxide-semiconductor Q4 is connect by resistance R6 with the grid of metal-oxide-semiconductor Q4, and the grid of metal-oxide-semiconductor Q4 passes through
Resistance R7 ground connection, the collector of triode Q3 are connected to the drain electrode of metal-oxide-semiconductor Q4, and the emitter of triode Q3 is connected to metal-oxide-semiconductor Q4
Grid, the emitter of triode Q3 connect with the cathode of voltage-stabiliser tube DW2, the plus earth of voltage-stabiliser tube DW2, the source of metal-oxide-semiconductor Q4
Pole is grounded by capacitor C2, and the source electrode of metal-oxide-semiconductor Q4 is connect with the cathode of voltage-stabiliser tube DW3, the plus earth of voltage-stabiliser tube DW3, metal-oxide-semiconductor
The source electrode of Q4 connects as the input terminal of the output end of power supply protection control circuit and the input terminal of inverter and DC charging rifle
It connects；
The reverse side of amplifier U1 is connected to the drain electrode of metal-oxide-semiconductor Q4, the in-phase end of amplifier U1 and controllable source of stable pressure U2 by resistance R8
Cathode connection, the cathode of the plus earth of controllable source of stable pressure U2, controllable source of stable pressure U2 is connected to metal-oxide-semiconductor Q4 by resistance R11
Drain electrode, the in-phase end of amplifier U1 is grounded by capacitor C3, and the output end of amplifier U1 is connect with one end of resistance R9, resistance R9's
The other end is connect with the base stage of the base stage of triode Q3 and triode Q5 respectively；The emitter of triode Q5 is grounded, triode Q5
Collector be connected to the points of common connection between capacitor C2 and the source electrode of metal-oxide-semiconductor Q4；
One end of resistance R10 is connected to the points of common connection between resistance R3 and adjustable resistance RT, the other end connection of resistance R10
In charging pile controller；
Wherein, triode Q2 is p-type triode, and metal-oxide-semiconductor Q4 is p-type metal-oxide-semiconductor.
5. the wireless private network charging pile control system based on 1.8G frequency range according to claim 3, it is characterised in that: the friendship
Stream output detection circuit includes transformer T1, sampling rectification circuit and sample circuit；
The primary coil of the transformer T1 is serially connected with the negative output terminal of inverter, and the secondary coil of transformer T1 and sampling rectify
The input terminal of circuit connects, and the input terminal of the output end and sample circuit that sample rectification circuit connects, the sample circuit it is defeated
Outlet is connect with the input terminal of charging pile controller.
6. the wireless private network charging pile control system based on 1.8G frequency range according to claim 1, it is characterised in that: described remote
Journey power monitoring unit includes power regulation server and charging pile server；
The charging pile server is communicated to connect with charging pile controller by 1.8GHz wireless network module, the charging pile clothes
Business device is connected with power scheduling server communication.
7. the wireless private network charging pile control system based on 1.8G frequency range according to claim 1, it is characterised in that: further include
NFC reader, the NFC reader and charging pile controller communicate to connect.
8. the wireless private network charging pile control system based on 1.8G frequency range according to claim 6, it is characterised in that: charging pile
Server and charging pile controller carry out group-net communication by the following method:
Wireless private network base station is to charging pile controller broadcast networking information, after charging pile controller receives mesh information, to wireless
Private network base station sending device essential information and access information, equipment essential information include: terminal name, terminal running state and body
Part registration information；
After wireless private network base station receives access information, to charging pile controller distribution frequency point, IP address and MAC Address, and establish
Network management information table, after completing network information table foundation, wireless private network base station is built to each charging pile controller unicast in net
Table information；
Charging pile controller is according to frequency point, IP address and the MAC Address built in table information in net, with adjusting frequency point, the IP of itself
Location and MAC Address are simultaneously linked into the wireless private network of 1.8 frequency ranges；
The equipment essential information for building table information and charging pile in net is sent to charging pile server, charging pile by wireless private network base station
Server is by building the equipment essential information of table information and charging pile in net and building according to ICP/IP protocol and charging pile controller
Erect communication connection.
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