CN108275029A - A kind of alternating-current charging pile of charge information interaction - Google Patents
A kind of alternating-current charging pile of charge information interaction Download PDFInfo
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- CN108275029A CN108275029A CN201810214049.5A CN201810214049A CN108275029A CN 108275029 A CN108275029 A CN 108275029A CN 201810214049 A CN201810214049 A CN 201810214049A CN 108275029 A CN108275029 A CN 108275029A
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- 230000003993 interaction Effects 0.000 title claims abstract description 15
- 238000004891 communication Methods 0.000 claims abstract description 69
- 230000006854 communication Effects 0.000 claims abstract description 67
- 239000013256 coordination polymer Substances 0.000 claims abstract description 41
- 208000018672 Dilatation Diseases 0.000 claims abstract description 34
- 239000004065 semiconductor Substances 0.000 claims description 45
- 230000003321 amplification Effects 0.000 claims description 6
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000000087 stabilizing effect Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 abstract description 11
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 230000001681 protective effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/30—Constructional details of charging stations
- B60L53/31—Charging columns specially adapted for electric vehicles
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/22—Arrangements for detecting or preventing errors in the information received using redundant apparatus to increase reliability
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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
-
- 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
-
- 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
Abstract
The present invention provides a kind of alternating-current charging piles of charge information interaction, including charhing unit and main control module, it is characterised in that：Include also power line carrier module, CP line dilatations communication module, one of in wireless charging module or two；Wherein, power line carrier module, CP line dilatations communication module, wireless charging module are connected with main control module communication respectively；Power line carrier module is connect with AC charging line；The CP lines dilatation communication module is connect with the CP signal wires in Vehicular charging line, the data-signal for receiving and sending while including multiple voltage values；The beneficial effects of the present invention are：Realize the ability of simultaneously transmission or the reception of intensified charging information.
Description
Technical field
The present invention relates to Vehicular charging technical fields, and in particular to a kind of alternating-current charging pile of charge information interaction.
Background technology
According to national standard, the interface of alternating-current charging pile only has CP lines in Vehicular charging line and PE lines for communicating；It is existing
There is alternating-current charging pile more single in the communication device function of sending out pwm signal, pwm signal can only be sent, and send the letter of PWM
Number capacity is smaller, while the signal of existing charging confirms and mostly realized by way of " switch, contact ", and PWM transmitting terminals are usually not
Have the function of receiving signal, can not identify in the data string signal of transmission, while including such as 12V, 9V, 6V multiple
The signal of voltage magnitude；Data communication capacity is promoted, more data, such as the battery charge situation of transmission electric vehicle are transmitted,
There is also rooms for improvement for existing alternating-current charging pile structure design, it is necessary to be furtherd investigate.
Invention content
For the deficiency in the presence of the prior art, the present invention provides a kind of alternating-current charging pile of charge information interaction,
Its object is to promote the capacity and efficiency of data communication, to realize the ability of simultaneously transmission or the reception of intensified charging information.
To achieve the above object, present invention employs the following technical solutions：
A kind of alternating-current charging pile of charge information interaction, including charhing unit and main control module, also include that power line carries
One of in wave module, CP line dilatations communication module, wireless charging module or two；Wherein, power line carrier module, CP
Line dilatation communication module, wireless charging module are connected with main control module communication respectively；Power line carrier module and AC charging
Line connects；The CP lines dilatation communication module is connect with the CP signal wires in Vehicular charging line, for receiving and sending while wrapping
Data-signal containing multiple voltage values.
Further, the main control module includes the first input/output terminal, the second input/output terminal, for sending, connecing
Receive pwm signal；Also include several control output ends；The CP lines dilatation communication module includes voltage magnitude adjustment unit, signal
Converter unit；
The signal conversion unit include the first metal-oxide-semiconductor, the second metal-oxide-semiconductor, hysteresis loop comparator, latch, with logic circuit,
And not circuit, ground resistance R2 and ground resistance R3；
The voltage magnitude adjustment unit includes switching switch S1, current-limiting resistance R1, NPN triode, base resistance R4, collection
Electrode resistance R5, third metal-oxide-semiconductor and the mutually different zener diode D1 of voltage stabilizing parameter, zener diode D2；
The base stage of the NPN triode is through the independent phase in the control output end one of base resistance R4 and main control module
Even；The emitter of NPN triode is connected with the DC reference ground terminal of CP line dilatation communication modules, the collector warp of NPN triode
Collector resistance R5 is connected with the DC power supply terminal of CP line dilatation communication modules, and the collector of NPN triode and third metal-oxide-semiconductor
Grid be connected；The cathode of the zener diode D1, the cathode of zener diode D2, the source electrode of third metal-oxide-semiconductor, the 2nd MOS
The drain electrode of pipe, the drain electrode of the first metal-oxide-semiconductor, the input terminal of hysteresis loop comparator are connected with each other；The anode of zener diode D1, voltage stabilizing two
The anode of pole pipe D2 is corresponding with the switching end of switching switch respectively to be connected, and switches switch common end and the 3rd MOS of switch
The drain electrode of pipe is connected, and the DC reference ground terminal of CP line dilatation communication modules is connected to through current-limiting resistance R1；
The source electrode of first metal-oxide-semiconductor, the second metal-oxide-semiconductor source electrode respectively with the first input/output terminal, the second input/output terminal one
One correspondence is connected；The grid of first metal-oxide-semiconductor is connected to the output end of and not circuit；The grid of second metal-oxide-semiconductor be connected to
The output end of logic circuit；It is connected to hysteresis after one of and not circuit and logic circuit input terminal are connected with each other
The output end of comparator；It is independently connected to NAND Logic after the latched device in two of which control output end of main control module
Circuit, the input terminal with logic circuit；The first input/output terminal, the second input/output terminal of main control module distinguish grounded electricity
R3 is hindered, ground resistance R2 is connected to the DC reference ground terminal of CP line dilatation communication modules.
The present invention may be selected wireless communication module, power line carrier module and CP line dilatation communication modules and realize charging pile
Information pass to the external device (ED)s such as electric vehicle or the network platform, and realized by CP line dilatation communication modules and filled using existing
Electric CP lines communication path promotes data transmission capacity.
Compared with the prior art, the present invention has the advantages that：
(1), the ability of simultaneously transmission or the reception of intensified charging information is realized；The capacity and effect of transmission data when promoting communication
Rate；
(2), by the control of main control module and latch, the selection and switching of data path can be realized, flexibility is more
Height, also increases the redundancy of data transmission path, and use reliability and replaceability are all strengthened；
(3), kept for the while of communicating have protective effect, traditional counnter attack protective circuit of diode cannot achieve two-way
Communication.
Description of the drawings
Fig. 1 is the schematic diagram of embodiment.
Fig. 2 is the schematic diagram of CP line dilatation communication modules in embodiment.
Fig. 3 is that signal sends the connection diagram that driving unit/signal receives pressure regulation unit in embodiment.
Specific implementation mode
The technical solution in the present invention is further illustrated with reference to the accompanying drawings and embodiments.
A kind of alternating-current charging pile of charge information interaction also wraps as shown in Figure 1, comprising charhing unit and main control module
Containing one of in power line carrier module, CP line dilatations communication module, wireless charging module or two；Wherein, power line
Carrier module, CP line dilatations communication module, wireless charging module are connected with main control module communication respectively；Power line carrier module
It is connect with AC charging line；The CP lines dilatation communication module is connect with the CP signal wires in Vehicular charging line, for receiving simultaneously
The data-signal for sending while including multiple voltage values.Pass through power line carrier module, CP line dilatation communication modules and channel radio
Believe module so that the relevant informations such as the charge data of client's purchase can be sent to electric vehicle user by charging pile, can also be connect
It receives about the charged situation related data in battery management system in electric vehicle, to realize to charging time or queuing time
Grasp, convenient for everybody arrange or selection plan of travel；Wherein, the wireless communication module includes NFC communication unit, 4G communications
The one of which of unit, 3G communication units, bluetooth-communication unit, WIFI communication units, 315M/433M radio frequency communications units；NFC
Communication unit, bluetooth-communication unit, 315M/433M radio frequency communications units enable charging pile directly to be filled with live electric vehicle
Electric data interact；WIFI communication units, 3G communication units, 4G communication units enable charging pile that signal is uploaded to net
Network platform, convenient for checking the jam situation of charging queuing by APP clients using mobile phone.
As shown in Fig. 2, the main control module includes the first input/output terminal t1, the second input/output terminal t2, also include
Several control output end t3-t5；The main control module includes the one of which in ARM embeded processors, FPGA；On the one hand
Pin is more, extends and realizes convenient for scheme, and on the other hand, the crystal oscillator frequency being correspondingly connected with is high, is conducive to the data for promoting transmission
Capacity；The logic function of existing charging pile control unit can be transplanted on main control module, simplify circuit structure, reduce at
This；In conjunction with power line carrier module and CP line dilatation communication modules, can charge information be easily sent to electric vehicle.
The CP lines dilatation communication module includes voltage magnitude adjustment unit, signal conversion unit；The signal transformation is single
Member includes the first metal-oxide-semiconductor Q1, the second metal-oxide-semiconductor Q2, hysteresis loop comparator A1, latch La1 and logic circuit U2, NAND Logic electricity
Road U3, ground resistance R2 and ground resistance R3；
The voltage magnitude adjustment unit include switching switch S1, current-limiting resistance R1, NPN triode Q4, base resistance R4,
Collector resistance R5, third metal-oxide-semiconductor Q3 and the mutually different zener diode D1 of voltage stabilizing parameter, zener diode D2；
The base stage of the NPN triode Q4 is individually connected through base resistance R4 with the control output end t5 of main control module；
The emitter of NPN triode Q4 is connected with the DC reference ground terminal of CP line dilatation communication modules, the collector warp of NPN triode Q4
Collector resistance R5 is connected with the DC power supply terminal of CP line dilatation communication modules, and the collector of NPN triode Q4 and the 3rd MOS
The grid of pipe Q3 is connected；The cathode of the zener diode D1, the cathode of zener diode D2, the source electrode of third metal-oxide-semiconductor Q3,
The drain electrode of two metal-oxide-semiconductor Q2, the drain electrode of the first metal-oxide-semiconductor Q1, the input terminal of hysteresis loop comparator A1 are connected with each other；Zener diode D1's
Anode, the anode of zener diode D2 are corresponding with the switching switching end of switch S1 connected respectively, the switch of switching switch S1
Common end is connected with the drain electrode of third metal-oxide-semiconductor Q3, and the DC reference of CP line dilatation communication modules is connected to through current-limiting resistance R1
Ground terminal；The switching switch S1 includes the one of which of analog switch, relay, and in order to control, control terminal also can be with master control
The control output end of molding block is connected.
The source electrode of first metal-oxide-semiconductor Q1, the source electrode Q2 of the second metal-oxide-semiconductor are defeated with the first input/output terminal t1, the second input respectively
Outlet t2, which is corresponded, to be connected；The grid of first metal-oxide-semiconductor Q1 is connected to the output end of and not circuit U2；Second metal-oxide-semiconductor
Grid is connected to the output end with logic circuit；It is and not circuit U2, mutual with one of logic circuit U3 input terminal
And the output end of hysteresis loop comparator A1 is connected to after connecing；The latched device of two of which control output end t3, t4 of main control module
And not circuit U2, the input terminal with logic circuit U3 are independently connected to after La1；First input of main control module is defeated
Outlet t1, the second input/output terminal t2 distinguish grounded resistance R3, and ground resistance R2 is connected to the straight of CP line dilatation communication modules
Flow reference ground.
When sending PWM waveform, signal is sent by main control module, after latched device, determines only first metal-oxide-semiconductor of selection
Or second metal-oxide-semiconductor conducting, when third metal-oxide-semiconductor be connected, zener diode D1, zener diode D2 and switching switch be short-circuited,
The signal amplitude voltage that main control module is sent out is constant；When third metal-oxide-semiconductor is obstructed, the S1 selections of switching switch connect zener diode
Then signal amplitude can be restricted to corresponding voltage accordingly after D1 or zener diode D2；By main control module to NPN tri-
The antilogical of pole pipe controls, and realizes the quick acting of third metal-oxide-semiconductor, you can it includes different voltages amplitude PWM simultaneously to send out
Signal can promote the capacity of pwm signal, i.e., be simultaneously emitted by the pwm signal of two or three of amplitude using this characteristic；
When preparing reception while comprising the pwm signal of two kinds of amplitudes, main control module sends out signal in advance so that latches
It is 1 that device, which is output to the input of logic circuit, and not circuit, and the component parameters design of hysteresis loop comparator makes its overturning electricity
The high side voltage of pressure is more than the smaller voltage of amplitude in pwm signal, thus the only voltage arriving time lag of maximum amplitude in the signal
Return output switching activity or the variation of comparator.When PWM count is according to transmission, the voltage of highest amplitude signal comes interim, and hysteresis loop comparator is defeated
Go out high level, then by with after logic circuit, and not circuit, the second metal-oxide-semiconductor conducting, the first metal-oxide-semiconductor disconnects, master control molding
Second input/output terminal of block receives the high level of pwm signal；When PWM count is according to transmission, the voltage of weak amplitude signal arrives
When, due to the turnover voltage less than hysteresis loop comparator, hysteresis loop comparator exports low-voltage, by with logic circuit, NAND Logic
After circuit, the second metal-oxide-semiconductor disconnects, the conducting of the first metal-oxide-semiconductor；At this point, the second input/output terminal of main control module is due to through resistance
Ground connection is low level, and the first input/output terminal can then normally receive and identify the pwm signal of weak amplitude.
Driving unit, signal reception pressure regulation list are sent as shown in figure 3, above-mentioned CP lines dilatation communication module also includes signal
Member, driving power, the first transmitting-receiving control switch, the second transmitting-receiving control switch；Wherein, it includes times magnification that signal, which sends driving unit,
Linear amplifier of the number more than 1, can be used in-phase amplifier and emitter follower, and the input terminal of in-phase amplifier is sent out as signal
The input terminal of driving unit is sent, and is connected with the input terminal of hysteresis loop comparator；The output end and emitter follower of in-phase amplifier
Input terminal be connected, the output end of the output end of emitter follower as signal transmission driving unit；In-phase amplifier, emitter-base bandgap grading with
It is connected with driving power by the first transmitting-receiving control switch with the feeder ear of device；It includes that amplification factor is small that signal, which receives pressure regulation unit,
In 1 linear amplification unit, inverting amplifier can be used, the input terminal of inverting amplifier receives the defeated of pressure regulation unit as signal
Enter end, the output of inverting amplifier receives the output end of pressure regulation unit as signal；The feeder ear of inverting amplifier passes through second
Transmitting-receiving control switch is connected with driving power；The first transmitting-receiving control switch, the second transmitting-receiving control switch comprising relay or
Metal-oxide-semiconductor；It is reverse phase on the whole that signal, which sends the signal that driving unit is sent out and receives the signal that pressure regulation unit receives with signal, as a result,
Logical relation is convenient for identification and correction process of the control unit for communication data；Parameter designing by amplification factor and drive
The size selection of dynamic power supply can easily provide the voltage logic of data communication in wider range, it is logical to also increase data
The driving capability of letter；The feeder ear that signal sends driving unit is connected through the first transmitting-receiving control switch with driving power, and signal connects
The feeder ear for receiving pressure regulation unit is connected through the second transmitting-receiving control switch with driving power；Signal sends the input of driving unit, letter
It number receives the output of pressure regulation unit mutually and is connected to the input terminal of hysteresis loop comparator；Signal sends the output of driving unit, signal
The CP lines for receiving the input of pressure regulation unit mutually and being connected in Vehicular charging line；First transmitting-receiving control switch, the second transmitting-receiving control
The control terminal of switch is correspondingly connected with the input terminal for being connected to latch with logic circuit, and not circuit respectively；Pass through PWM
The output of signal transmitting and receiving control unit makes the first transmitting-receiving control switch, the second transmitting-receiving control by switching selection or structure design
Switch while only one of which switch conduction, to be squeezed to communication line when pwm signal being avoided to send with pwm signal reception
Account for and signal interference, and only when pwm signal transmitting-receiving control unit sends out once command, at the same to the first transmitting-receiving control switch,
Second transmitting-receiving control switch, the first metal-oxide-semiconductor, the second metal-oxide-semiconductor synchronous control, need not occupy control unit more multiplex roles or beat
Resource, you can it realizes, it is convenient and efficient；On the other hand, it is led by the switch of the first transmitting-receiving control switch, the second transmitting-receiving control switch
Logical control so that any time, which only has signal to send driving unit or signal reception pressure regulation unit, to be worked normally, thus
Keep having protective effect while communication, and although traditional protective circuit of diode has protective effect, but can not be compatible with
Two-way communication.In addition, the output end in inverting amplifier and/or in-phase amplifier is further connected with Overvoltage protecting unit, such as connect steady
Diode is pressed, to ensure the voltage security in data communication process, improves system reliability.
Finally illustrate, the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although with reference to compared with
Good embodiment describes the invention in detail, it will be understood by those of ordinary skill in the art that, it can be to the skill of the present 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 right of invention.
Claims (8)
1. a kind of alternating-current charging pile of charge information interaction, including charhing unit and main control module, it is characterised in that：Also include
One of in power line carrier module, CP line dilatations communication module, wireless charging module or two；Wherein, power line carries
Wave module, CP line dilatations communication module, wireless charging module are connected with main control module communication respectively；Power line carrier module with
AC charging line connects；The CP lines dilatation communication module is connect with the CP signal wires in Vehicular charging line, concurrent for receiving
Send while including the data-signal of multiple voltage values.
2. a kind of alternating-current charging pile of charge information interaction as described in claim 1, it is characterised in that：The main control module
Including the first input/output terminal, the second input/output terminal, for sending, receiving pwm signal；Also include several control output ends；
The CP lines dilatation communication module includes voltage magnitude adjustment unit, signal conversion unit；
The signal conversion unit include the first metal-oxide-semiconductor, the second metal-oxide-semiconductor, hysteresis loop comparator, latch, with logic circuit, with it is non-
Logic circuit, ground resistance R2 and ground resistance R3；
The voltage magnitude adjustment unit includes switching switch S1, current-limiting resistance R1, NPN triode, base resistance R4, collector
Resistance R5, third metal-oxide-semiconductor and the mutually different zener diode D1 of voltage stabilizing parameter, zener diode D2；
The base stage of the NPN triode is individually connected through base resistance R4 with one of main control module control output end；
The emitter of NPN triode is connected with the DC reference ground terminal of CP line dilatation communication modules, and the collector of NPN triode is through current collection
Electrode resistance R5 is connected with the DC power supply terminal of CP line dilatation communication modules, and the grid of the collector of NPN triode and third metal-oxide-semiconductor
Extremely it is connected；The cathode of the zener diode D1, the cathode of zener diode D2, the source electrode of third metal-oxide-semiconductor, the second metal-oxide-semiconductor
Drain electrode, the drain electrode of the first metal-oxide-semiconductor, the input terminal of hysteresis loop comparator are connected with each other；Anode, the zener diode of zener diode D1
The anode of D2 is corresponding with the switching end of switching switch respectively to be connected, and switches switch common end and the third metal-oxide-semiconductor of switch
Drain electrode is connected, and the DC reference ground terminal of CP line dilatation communication modules is connected to through current-limiting resistance R1；
The source electrode of first metal-oxide-semiconductor, the source electrode of the second metal-oxide-semiconductor are a pair of with the first input/output terminal, the second input/output terminal one respectively
It should be connected；The grid of first metal-oxide-semiconductor is connected to the output end of and not circuit；The grid of second metal-oxide-semiconductor is connected to and logic
The output end of circuit；And not circuit, it is connected with each other with one of logic circuit input terminal after be connected to hysteresis compared with
The output end of device；NAND Logic electricity is independently connected to after the latched device in two of which control output end of main control module
Road, the input terminal with logic circuit；The first input/output terminal, the second input/output terminal of main control module distinguish grounded resistance
R3, ground resistance R2 are connected to the DC reference ground terminal of CP line dilatation communication modules.
3. a kind of alternating-current charging pile of charge information interaction as described in claim 1, it is characterised in that：The switching switch packet
One of which containing analog switch, relay.
4. a kind of alternating-current charging pile of charge information interaction as described in claim 1, it is characterised in that：The main control module
Including the one of which in ARM embeded processors, FPGA.
5. a kind of alternating-current charging pile of charge information interaction as claimed in claim 2, it is characterised in that：The CP lines dilatation is logical
It includes that signal sends driving unit, signal receives pressure regulation unit, driving power, the first transmitting-receiving control switch to believe module also, and second
Transmitting-receiving control switch；Wherein, it includes the linear amplifier that amplification factor is more than 1 that signal, which sends driving unit, and signal receives pressure regulation
Unit includes the linear amplification unit that amplification factor is less than 1, and the feeder ear that signal sends driving unit is opened through the first transmitting-receiving control
Pass is connected with driving power, and the feeder ear that signal receives pressure regulation unit is connected through the second transmitting-receiving control switch with driving power；Letter
Number send the input of driving unit, signal receives the output of pressure regulation unit mutually and is connected to the input terminal of hysteresis loop comparator；Signal
Send the output of driving unit, the CP lines that signal receives the input of pressure regulation unit mutually and is connected in Vehicular charging line；First receives
The control terminal of control switch, the second transmitting-receiving control switch is generated respectively with being connected to latch and logic circuit, NAND Logic electricity
Road input terminal connects one to one.
6. a kind of alternating-current charging pile of charge information interaction as claimed in claim 5, it is characterised in that：The signal, which receives, to be adjusted
It includes inverting amplifier to press unit, and it includes in-phase amplifier and emitter follower that the signal, which sends driving unit,；Wherein same phase
The output of amplifier is connected with the input of emitter follower；The input terminal of in-phase amplifier is the input that signal sends driving unit
End, the output end of emitter follower are the output end that signal sends driving unit；The input terminal of inverting amplifier receives for signal
The input terminal of pressure regulation unit, the output end of inverting amplifier are the output end that signal receives pressure regulation unit.
7. a kind of alternating-current charging pile of charge information interaction as claimed in claim 6, it is characterised in that：In inverting amplifier
And/or the output end of in-phase amplifier is further connected with Overvoltage protecting unit.
8. a kind of alternating-current charging pile of charge information interaction as described in claim 1, it is characterised in that：The radio communication mold
Block is penetrated comprising NFC communication unit, 4G communication units, 3G communication units, bluetooth-communication unit, WIFI communication units, 315M/433M
The one of which of frequency communication unit.
Priority Applications (1)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109130942A (en) * | 2018-10-23 | 2019-01-04 | 成都理工大学 | Charging pile for electric vehicle remote control device for mobile phone and its control method based on FPGA |
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| CN109130942A (en) * | 2018-10-23 | 2019-01-04 | 成都理工大学 | Charging pile for electric vehicle remote control device for mobile phone and its control method based on FPGA |
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