CN208874474U - Charging pile control device based on wireless private network - Google Patents
Charging pile control device based on wireless private network Download PDFInfo
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- CN208874474U CN208874474U CN201821888134.1U CN201821888134U CN208874474U CN 208874474 U CN208874474 U CN 208874474U CN 201821888134 U CN201821888134 U CN 201821888134U CN 208874474 U CN208874474 U CN 208874474U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
- Y02T90/167—Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
- Y04S30/10—Systems supporting the interoperability of electric or hybrid vehicles
- Y04S30/12—Remote or cooperative charging
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
A kind of charging pile control device based on wireless private network provided by the utility model, including power supply unit, control unit, DC charging rifle, AC charging rifle, charging pile controller and 1.8GHz wireless network module；Said supply unit, for exporting direct current and alternating current, DC output end is connect with DC charging rifle, and ac output end is connect with AC charging rifle；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; for the detection signal of reception control unit, the charging signals of the charging signals of DC charging rifle output and the output of AC charging rifle; the charging pile controller is communicated to connect by 1.8GHz wireless network module and remote monitoring center; with transmission rate height; strong real-time, strong security; entire charging pile control device stability is good, can carry out good protection to the battery of electric car.
Description
Technical field
The utility model relates to charging pile field more particularly to a kind of charging pile control devices based on wireless private network.
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.
Utility model content
In view of this, the purpose of the utility model is to provide a kind of charging pile control device based on wireless private network, it can be true
The real time communication of multiple charging pile high amount of traffic is protected, there is transmission rate height, strong real-time, strong security, and do not need list
It is solely laid with dedicated communications cable, use cost is low, moreover, entire charging pile control device stability is good, it can be to electric car
Battery carry out good protection.
A kind of charging pile control device based on wireless private network provided by the utility model, including power supply unit, control list
Member, DC charging rifle, AC charging rifle, charging pile controller and 1.8GHz wireless network module；
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 and friendship
The charging signals of current charge rifle output, the charging pile controller are logical by 1.8GHz wireless network module and remote monitoring center
Letter connection, and the charging that the detection signal of control unit, the charging signals of DC charging rifle output and AC charging rifle are exported
Signal uploads, and receives the dispatch command of remote monitoring center.
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.
It further, further include NFC reader, the NFC reader and charging pile controller communicate to connect.
The utility model has the beneficial effects that passing through the utility model, it can be ensured that the real-time of multiple charging pile high amount of traffic leads to
Letter 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 control device stability is good, good protection can be carried out to the battery of electric car.
Detailed description of the invention
The utility model is further described with reference to the accompanying drawings and examples:
Fig. 1 is the structural block diagram of the utility model.
Fig. 2 is the power supply protection control circuit schematic diagram of the utility model.
Fig. 3 is the exchange output detection circuit of the utility model.
Specific embodiment
Further description is made to the utility model below in conjunction with Figure of description:
A kind of charging pile control device based on wireless private network provided by the utility model, including power supply unit, control list
Member, DC charging rifle, AC charging rifle, charging pile controller and 1.8GHz wireless network module；
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 and friendship
The charging signals of current charge rifle output, the charging pile controller are logical by 1.8GHz wireless network module and remote monitoring center
Letter connection, and the charging that the detection signal of control unit, the charging signals of DC charging rifle output and AC charging rifle are exported
Signal uploads, and receives the dispatch command of remote monitoring center；Charging pile controller is powered using backup power source, such as chargeable
Battery, to even if still can be communicated with charging pile server after starting fusing mechanism；It is practical new by this
Type, it can be ensured that the real time communication of multiple charging pile high amount of traffic, strong real-time, strong security high with transmission rate, and not
It needing individually to be laid with dedicated communications cable, use cost is low, moreover, entire charging pile control device stability is good, it can be to electricity
The battery of electrical automobile carries out good protection.
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；
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 upload alarm signal to remote monitoring center.
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 the dispatch command of remote monitoring center, and pause to charging gun output control instruction in use, can make charging gun without defeated
Out, these are all the prior arts, are not belonging within the improvement threshold of the application, and not in this to go forth.
Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng
The utility model is described in detail according to preferred embodiment, those skilled in the art should understand that, it can be to this
The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model
It encloses, should all cover in the scope of the claims of the utility model.
Claims (6)
1. a kind of charging pile control device based on wireless private network, it is characterised in that: including power supply unit, control unit, direct current
Charging gun, AC charging rifle, charging pile controller and 1.8GHz wireless network module；
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, the charging signals exported for the detection signal of reception control unit, DC charging rifle are filled with exchanging
The charging signals of electric rifle output, the charging pile controller pass through 1.8GHz wireless network module and remote monitoring center communication link
The charging signals for connecing, and the detection signal of control unit, the charging signals of DC charging rifle output and AC charging rifle being exported
It uploads, and receives the dispatch command of remote monitoring center.
2. the charging pile control device based on wireless private network according to claim 1, it is characterised in that: said supply unit packet
Include 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 charging pile control device based on wireless private network according to claim 2, it is characterised in that: described control unit packet
Include power supply protection control circuit with 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 charging pile control device based on wireless private network according to claim 3, it is characterised in that: the power supply protection control
Circuit processed include fuse F1, voltage-stabiliser tube DW1, voltage-stabiliser tube DW2, voltage-stabiliser tube DW3, resistance R1, resistance R2, resistance R3, resistance R4,
It is resistance R5, resistance R6, resistance R7, resistance R8, resistance R9, resistance R10, capacitor C1, capacitor C2, capacitor C3, silicon-controlled 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 charging pile control device based on wireless private network according to claim 4, it is characterised in that: the exchange output inspection
Slowdown monitoring 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 charging pile control device based on wireless private network according to claim 1, it is characterised in that: further include NFC card reading
Device, the NFC reader and charging pile controller communicate to connect.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821888134.1U CN208874474U (en) | 2018-11-15 | 2018-11-15 | Charging pile control device based on wireless private network |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109274155A (en) * | 2018-11-15 | 2019-01-25 | 国家电网有限公司 | Wireless private network charging pile control system based on 1.8G frequency range |
| CN110203097A (en) * | 2019-07-04 | 2019-09-06 | 广东海洋大学 | A kind of charging pile |
-
2018
- 2018-11-15 CN CN201821888134.1U patent/CN208874474U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109274155A (en) * | 2018-11-15 | 2019-01-25 | 国家电网有限公司 | Wireless private network charging pile control system based on 1.8G frequency range |
| CN109274155B (en) * | 2018-11-15 | 2021-09-24 | 国家电网有限公司 | Wireless private network charging pile control system based on 1.8G frequency band |
| CN110203097A (en) * | 2019-07-04 | 2019-09-06 | 广东海洋大学 | A kind of charging pile |
| CN110203097B (en) * | 2019-07-04 | 2024-02-09 | 广东海洋大学 | Charging pile |
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