CN107154564A - Charging pile plug, socket and its control method of a kind of AC/DC universal - Google Patents
Charging pile plug, socket and its control method of a kind of AC/DC universal Download PDFInfo
- Publication number
- CN107154564A CN107154564A CN201610850314.XA CN201610850314A CN107154564A CN 107154564 A CN107154564 A CN 107154564A CN 201610850314 A CN201610850314 A CN 201610850314A CN 107154564 A CN107154564 A CN 107154564A
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- Prior art keywords
- charging
- socket
- module
- contact pin
- plug
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
- H01R13/6675—Structural association with built-in electrical component with built-in electronic circuit with built-in power supply
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
- H01R13/6683—Structural association with built-in electrical component with built-in electronic circuit with built-in sensor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/26—Connectors or connections adapted for particular applications for vehicles
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a kind of charging pile plug of AC/DC universal, socket and its control method, described plug is arranged on charging pile, it is connected by cable with the respective lines or unit inside charging pile, socket is arranged on the battery or battery controller for needing to be charged using charging pile, contact pin in described plug includes charging module, auxiliary power module and infomation detection and monitoring module, described charging module, auxiliary power module and infomation detection are electrically connected with monitoring module with control module, described control module is single-chip microcomputer, the jack with contact pin respective amount and position is provided with socket, described plug is connected with charging pile, when the socket is arranged on AC charging electric automobile, the present invention is rational in infrastructure, solve the problem of charging pile alternating current-direct current can not be charged with unitary plug, and charging effect is stable, safety, efficiently, it effectively prevent the damage caused in charging process to battery.
Description
Technical field
The present invention relates to charging pile applied technical field, and in particular to charging pile plug, the socket of a kind of AC/DC universal
And its control method.
Background technology
With the high speed development of novel energy, country supports the exploitation and innovation of new-energy automobile technology, currently, electricity energetically
Electrical automobile is represented as the prominent of new energy development, it has also become lead the important development direction of automobile industry New Times, and electronic
The charging and conversion electric system of automobile then serves the effect of energy supply, is the continuous fast running of electric automobile, not by the charging interval
Constraint, which is provided, to be ensured, is the important base support system of electric automobile.
In traditional power network, traditional electric energy, is only connected to by various cables during the object transmitted by conventional wire cable
Corresponding transformation station could use electric energy.For electric automobile, the battery that can make its work is the core of electric automobile
One of part.And the battery charging problems for how solving electric automobile turn into technical problem in the urgent need to address.
In the prior art, electric automobile typically has two kinds of charging modes, and one kind is that alternating current is charged, another
That direct current is charged, alternating-current charging pile be usually small-power charging, as long as advantage, which is to have, can fill socket, can at any time with
Ground is charged, and direct-current charging post has the function of high-power charging, but charging pile can be only installed at fixed place, electronic
Automobile is according to different demands using two kinds of different charging modes, and corresponding plug and socket can not be used uniformly, to electricity
The charging of electrical automobile brings more trouble.
Application publication number is the A of CN 101834388, and a kind of entitled patent application document of plug and socket is disclosed
A kind of plug and socket of charging pile, but the patent is to connect different cables in plug and socket and realize to hand over
Flow direct current connection to be powered, can not realize that a plug judges to select AC and DC charging as needed, therefore, one kind is handed over straight
The charging pile plug of circulation and socket are urgently demands.
The content of the invention
The invention discloses charging pile plug, socket and its control method of a kind of AC/DC universal, existing skill is solved
The problem of alterating and direct current electrical automobile charging plug can not share and charge single in art.
The technical proposal of the invention is realized in this way：
Charging pile plug, the socket of a kind of AC/DC universal, described plug are arranged on charging pile, pass through cable and charging pile
Internal respective lines or unit connection, socket are arranged on the battery or battery controller for needing to be charged using charging pile, institute
Contact pin in the plug stated includes charging module, auxiliary power module and infomation detection and monitoring module, described charging module
Including the first contact pin DC+/L, the second contact pin DC-/N, the 3rd contact pin PE；The 4th described contact pins A+, five contact pins As-composition fills
The auxiliary power module of electric stake, described infomation detection is realized with monitoring module with other contact pins in plug, described
Charging module, auxiliary power module and infomation detection and monitoring module and control module are electrically connected, described control module
For single-chip microcomputer, the jack with contact pin respective amount and position is provided with socket, it is electronic that the socket is arranged on AC charging
When on automobile, the cable connecting portion of the corresponding connection of the 4th jack corresponding with accessory power supply, the 5th jack is breaking in socket；
When the socket is arranged on DC charging electric automobile, the 4th jack, the cable of the 5th jack correspondence connection in socket
Connecting portion is path.
Described infomation detection and monitoring module include the 6th contact pin CC1, the 7th contact pin CC2, described infomation detection with
Monitoring module is used to detect whether the connection status of charging pile plug and socket is normal in DC circuit；Infomation detection and monitoring
Module is used to detect connection status and PWM detection in alternating current circuit.
Described infomation detection and monitoring module also include the 8th contact pin S+, the 9th contact pin S-, described the 8th contact pin S+,
The cable that 9th contact pin S- is connected is standby Can buses, for transmitting detection information or charge information in charging circuit.
Described infomation detection also includes the authentication information and charging status information of detection rechargeable battery with monitoring module, when
After plug is connected with socket, described infomation detection detects the authentication information of battery with monitoring module, then by the electricity detected
Pond authentication information feeds back to control module, and by charging of the control module according to static battery authentication information regulating cell two ends
Voltage and charging current.
Described infomation detection includes Charge Management detection module, described Charge Management detection module quilt with monitoring module
It is configured to detect and receives the electric current value information in the voltage value information at battery two ends in charging process, charging process.
The connection state information of plug and socket, the authentication information of rechargeable battery and charged state in described charging circuit
Electric current value information in information, the voltage value information at battery two ends and charging process passes through in infomation detection and monitoring module
One or more contact pins are transmitted.
A kind of charging pile plug, the control method of socket connection charging,
The first step：Charging pile plug and socket are connected and carry out contact UNICOM；
Second step：After accessory power supply contact pin jack contact connection corresponding with socket in plug, detection contact pin connects with socket
Whether it is path after logical；
3rd step：The testing result of second step is fed back into control module, if feedback result is path, control module passes through choosing
Select switch selection and connect charged with direct current circuit；If feedback result is open circuit, control module selects to exchange by selecting switch
Electric charging circuit；
4th step：When selecting DC charging circuit, the first contact pin described in charging module in plug is passed through direct current positive pole
DC+, the second contact pin is passed through direct current negative pole DC-, and the 3rd contact pin PE is ground wire, when current charge circuit is chosen friends in choosing, and charge mould
The first contact pin described in block in plug is passed through alternating current fire wire L, and the second contact pin is passed through alternating current zero line N, the 3rd contact pin
PE is ground wire；
5th step：If control module selection alternating current circuit charging, connects AC charging circuit, then charging valve by selecting switch
The voltage and corresponding charging current information that battery two ends are directly received after detection module is connected by contact pin with jack are managed, is filled
Fulgurite manages detection module by the voltage at the battery two ends received and corresponding charging current feedback of the information to control module, institute
The information that the control module stated is received according to Charge Management detection module adjusts voltage, the electricity of charging circuit by transformer
Stream, so as to meet the charging needs at rechargeable battery two ends；If control module selection DC circuit charging, Charge Management detection module
The voltage and corresponding charging current information at battery two ends, Charge Management detection are directly detected after being connected by contact pin with jack
Module is by the voltage at the battery two ends detected and corresponding charging current feedback of the information to control module, and control module passes through
The charging voltage and charging current at dc-dc regulating cell two ends.
6th step：Output voltage, the charging circuit of output current after regulation is transmitted to the two ends of battery, starts to fill
Electricity.
Described Charge Management detection module includes a microprocessor, and described microprocessor is included in DC charging electricity
Voltage detection unit, current detecting unit are provided with road, the charging voltage for detecting battery two ends during DC charging
With charging current information, when charging circuit selects AC charging circuit, microprocessor is directly received and transmitted by contact pin
Battery two ends charging voltage and the information of charging current, if microprocessor does not receive the voltage at battery two ends and corresponding
Current information, then the conventional charging circuit of charging circuit selection, described microprocessor passes through cable and examined with Charge Management
Survey module to be connected, Charge Management detection module is by the feedback of the information received to control module, and control module is according to feedback information
So as to adjust voltage, the electric current output of charging module.
In described AC charging circuit, ac rated voltage is no more than 690V, and exchange rated current is no more than 250A, frequency
Rate is 50Hz；In described DC charging circuit, DC rated voltage is no more than 1000V, and rated current is no more than 400A.
Described charging module uses constant current in DC charging circuit to the circuit of battery two ends charging connection -- and it is permanent
Pressure -- safeguard that three sections of mise-a-la-masse methods of charging are charged.
Beneficial effects of the present invention are as follows：The present invention by the cable run being connected in socket with contact pin by dividing into charging
Module, auxiliary power module and infomation detection and monitoring module, are connect by auxiliary power module and infomation detection with monitoring module
The detection signal that receives simultaneously feeds back to control module, and control module selects corresponding charging circuit according to feedback information.This hair
It is bright rational in infrastructure, by contact pin and socket cooperating, the information that make use of charging pile contact pin to be obtained, by control module certainly
The main corresponding charging circuit of selection, so that the problem of charging pile alternating current-direct current can not be charged with unitary plug is solved, and by filling
Fulgurite manages detection module, detects or receives the charging voltage at battery two ends, charging current information, and feed back to infomation detection with
Monitoring module, the output voltage and output current in charging circuit is adjusted eventually through control module, so as to reach that charging pile fills
Electric purpose efficiently, stably, safe, and effectively prevent the damage caused in charging process to battery.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is electrical structure schematic diagram inside direct-current charging post in the prior art；
Fig. 2 is electrical structure schematic diagram inside alternating-current charging pile in the prior art；
Fig. 3 is electrical structure schematic diagram inside the charging pile of the present invention；
Fig. 4 is the civil power transformational structure schematic diagram of charging pile plug of the present invention and socket；
Fig. 5 is the alternating current-direct current decision flow chart of charging pile plug of the present invention and socket；
Fig. 6 is the civil power conversion alternating current-direct current charging flow figure that five contact pins of charging pile plug of the present invention and socket are connected；
Fig. 7 is dynamic regulation output voltage, the control method flow of electric current after charging pile plug of the present invention is connected with socket
Figure；
Fig. 8 is that i.e. dynamic regulation output voltage, electric current detect connection shape again after charging pile plug of the present invention is connected with socket
State control method flow chart；
Fig. 9 is that i.e. static regulation output voltage, electric current detect connection shape again after charging pile plug of the present invention is connected with socket
The control method flow chart of state；
Figure 10 is charging pile plug forward sight structure chart of the invention；
Figure 11 is charging pile plug side block diagram of the invention；
Figure 12 is charging pile socket forward sight structure chart of the invention；
Figure 13 is charging pile socket side block diagram of the invention；
Figure 14 is the charging pile plug of the present invention and the schematic diagram of socket grafting；
Figure 15 is the charging pile plug of the present invention and the schematic side view of socket grafting；
Wherein, 5. plug；501. first contact pin DC+/L；502. second contact pin DC-/N；503. the 3rd contact pin PE；504. the
Four contact pins As+；505. the 5th contact pins As-；506. the 6th contact pin CC1；507. the 7th contact pin CC2；508. the 8th contact pin S+；
509. the 9th contact pin S-；510. plug connection walls；511. plug locking systems；6. socket；601. first jacks；602.
Second jack；603. the 3rd jacks；604. the 4th jacks；605. the 5th jacks；606. the 6th jacks；607. the 7th insert
Hole；608. the 8th jacks；609. the 9th jacks；610. socket connection walls；611. socket locking systems.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not paid
Embodiment, belongs to the scope of protection of the invention.
The invention discloses a kind of charging pile plug and socket, described charging pile plug is generally located on charging pile,
Be connected by cable with the respective lines or unit inside charging pile, socket be arranged on need using charging pile charge battery or
On battery controller, described plug includes the first contact pin DC+/L501, the second contact pin DC-/N502, the 3rd contact pin PE503, the
Four contact pins As+504, the 5th contact pins A -505, wherein, when plug connects DC power supply circuit, the first contact pin is being passed through direct current just
Pole DC+, the second contact pin is passed through direct current negative pole DC-, when plug incoming transport power circuit, and the first contact pin is passed through alternating current fire
Line L, it is ground wire, the 4th contact pins A+connect for auxiliary positive source that the second contact pin, which is passed through alternating current zero line N, the 3rd contact pin PE,
Electric wire, the 5th contact pins A-connected wires for auxiliary power cathode；Include in described socket and contact pin respective amount and position
Jack, including the first jack 601, the second jack 602, the 3rd jack 603, the 4th jack 604, the 5th jack 605, in plug 5
On be provided with the cable run connecting portion of connection corresponding with contact pin, the cable of connection corresponding with jack is provided with socket 6
Road connecting portion, when the socket is arranged on battery or battery controller using alternating current charging, is inserted in socket with accessory power supply
It is breaking between corresponding two jacks of pin, though the auxiliary contact pins A of pressure contact pin the 4th of plug+, the 5th contact pins A-with pair in socket
Answer after jack connection, accessory power supply is still off state, can't power；The socket is arranged in battery or battery control
Between two jacks corresponding with accessory power supply contact pin it is path in socket when using charged with direct current on device, it is auxiliary when plug
Pressing contact pin the 4th contact pins A ,+, the 5th contact pins A-after the corresponding jack connection in socket, accessory power supply will be to BMS battery managements system
System is powered；The first contact pin DC+/L501, the second contact pin DC-/N502, the 3rd contact pin PE503 in the plug are constituted
The charging module of charging pile, the 4th contact pins A+504, the 5th contact pins A -505 constitutes the auxiliary power module of charging pile, and described fills
Electric module, auxiliary power module and control module are electrically connected, and described control module is single-chip microcomputer.
Specifically, the cable run of the 4th jack 604, the 5th jack 605 in described alternating current charging socket is set
For open circuit, the 4th jack 604, the cable run of the 5th jack 605 in charged with direct current socket are set to path.
It is preferred that, contact pin in the plug 5 also includes the 6th contact pin CC1506, the 7th contact pin CC2507, and described the
Six contact pin CC1506, the 7th contact pin CC2507 are used for the information for transmitting charging pile infomation detection and monitoring module, and in charging pile
The circuit information received is fed back into control module after plug and socket connection.
Further, the 6th contact pin CC1506, the 7th contact pin CC2507 in the plug 5 with corresponding socket 6
It is provided with after the 6th jack 606, the connection of the 7th jack 607, the 6th contact pin in described infomation detection and monitoring module
CC1506, the 7th contact pin CC2507 can be in DC circuits for whether just to detect the connection status of charging pile plug and socket
Often；Described the 6th contact pin CC1506, the 7th contact pin CC2507 is used to detect connection status and PWM inspection in alternating current circuit
Survey, only when charging connection status indicator lamp is normally shown, control module can just start charging module and start to charge up, the setting
Be to user reminding charge when plug be normally connected with socket so that effectively improve the present invention safety and reliability.
Further, described infomation detection is inserted with monitoring module including the 8th contact pin S+508 in plug 5, the 9th
Pin S-509, is provided with the 8th jack 608, the 9th jack 609, described infomation detection and monitoring module in corresponding socket 6
In the 8th contact pin S+508, the 9th contact pin S-509 be standby Can buses, described standby Can buses can be used for detection electricity
The authentication information in pond and the charging status information of battery, specifically, being provided with socket 6 comprising all charge informations of battery
Module, described charge information module is electrically connected with the 8th jack 608 and the 9th jack 609, after plug 5 is connected with socket 6, control
The information for the charge information module that molding block is returned by standby Can bus feedbacks carries out judging whether battery is legal, if right
Battery is charged；And then the charging status information of battery in battery charging process, can also be obtained.
Further, described infomation detection includes Charge Management detection module, described Charge Management with monitoring module
Detection module includes detecting and receives the electric current of charging circuit in the voltage value information at battery two ends, charging process in charging process
Value information, described Charge Management detection module is arranged on the plug side of charging pile, and with the contact pin cable in charging pile plug
Line is connected, after charging pile plug 5 is connected with socket 6, when the plug selection DC charging circuit charging of charging pile, then charging valve
The voltage and corresponding charging current information that battery two ends are directly detected after detection module is connected by contact pin with jack are managed, if
During the plug selection AC charging circuit charging of charging pile, then after Charge Management detection module is connected by contact pin and jack directly
Receive the voltage and corresponding charging current information at battery two ends, Charge Management detection module is by the battery being detected or received
The voltage at two ends and corresponding charging current feedback of the information are to control module；If not feeding back battery two in AC charging circuit
The charging circuit of the voltage at end and corresponding current information, then charging circuit selection routine, such as charging voltage are line voltage, control
Molding block is so as to adjust the output voltage and output current of charging circuit.
Specifically, described Charge Management detection module includes a microprocessor, described microprocessor is included in directly
Voltage detection unit, current detecting unit are provided with current charge circuit, for detecting battery two ends during DC charging
Charging voltage and charging current information, when charging circuit selects AC charging circuit, microprocessor is directly received by contact pin
The charging voltage and the information of charging current at the battery two ends transmitted, described microprocessor pass through cable and charging valve
Manage detection module to be connected, Charge Management detection module is by the feedback of the information received to control module, and control module is according to feedback
Information exports so as to adjust the voltage of charging module, electric current.
Information in described Charge Management detection module can be by one of infomation detection and monitoring module or more
Pin contact pin is transmitted.
The selection of described charging circuit is controlled by selecting switch, and described selecting switch is opened including alternating current circuit
Close and DC circuit switch, described selecting switch carries out Automated condtrol by control module.
The operation principle of the present invention is as follows：Described plug 5 and socket 6 are connected by circuit and be connecteds control, when plug and
After socket insertion connection, the circuit of the circuit and infomation detection of accessory power supply and monitoring module is connected first, if auxiliary
Power circuit is path, then charging circuit selection DC circuit；If auxiliary power circuit is open circuit, charging circuit selection is friendship
Current charge circuit, control module determines charging circuit according to the information of charge information module feedback, specifically, described control mould
Block is electrically connected with selecting switch, when city is electrically accessed selecting switch, will access if charging circuit selection is AC charging circuit
Mains circuit selection and AC charging switch connection, the circuit of incoming transport charge switch passes through AC process resume module
Exported afterwards, specifically, described AC process module include electricity statistical signal circuit, expense statistical signal circuit,
Emergent stop signal circuit etc., in addition, alternating current charging circuit carries out voltage conversion as desired by transformer, if need not electricity
Then alternating current directly exports mains circuit if pressure conversion, and the contact pin of output circuit and charging module in charging village plug is carried out
Cable is connected；If charging circuit selection is DC charging circuit, the mains circuit selection of access and DC charging switch are connect
Logical, the circuit of access DC charging switch is exported after the processing of DC charging processing module, specifically, direct current will be accessed
The civil power of electric charging circuit carries out being converted to DC circuit by rectifier, and the DC circuit after conversion enters through dc-dc
Row DC circuit is changed, and DC voltage, DC current required for charging is converted to, by the DC converting circuit after conversion through filter
Ripple device is handled, in addition, being also equipped with electricity statistical signal circuit, expense statistical signal electricity in charged with direct current circuit
Road, emergent stop signal circuit etc., the circuit after processing carry out cable with the contact pin of charging module in charging village plug and are connected；It is elected
When selecting switch selection AC charging switch, DC charging circuit open circuit, when selecting switch selects dc switch, AC charging electricity
Road open circuit；After described charging circuit selection, contact pin and the socket of charging module just proceed by energization.
Further, described control module by the charging voltage at battery two ends in the charging process that receives with filling
Voltage and electric current in electric current information, regulation charging circuit, specifically, in DC circuit, mains circuit is passed through into DC-DC
Converter is converted to electric current, the voltage that charging needs；In alternating current circuit, if charging circuit needs access is line voltage,
Mains circuit is then directly accessed charging circuit, if charging circuit need access be other voltages circuit, civil power is led to
Cross transformer and be converted into the voltage that charging circuit needs to access, so as to reach output voltage and output in effectively regulation charging circuit
The purpose of electric current.
It is preferred that, described charging module uses permanent in DC charging circuit to the circuit of battery two ends charging connection
Stream -- constant pressure -- safeguards that three sections of mise-a-la-masse methods of charging are charged；Specifically, when being charged using DC circuit, charger is whole
Stream part uses three-phase Vienna rectifications, and DC/DC DC transfer circuits use three Level Full Bridge DC converters, and rectification circuit is adopted
Range restraint and average current method is taken to control, chop section is controlled using Sofe Switch, in charging process, infomation detection and monitoring
The voltage of the battery charging terminal of voltage monitoring unit and current monitoring unit to detecting in module is fed back to current information
Control module and then charging circuit is selected, so as to ensure charging pile stable and reliable operation, efficiency high, power factor is met
It is required that, can automatic conversion charging modes.
Further, when using constant current -- constant pressure -- to safeguard the charging modes of charging, battery terminal voltage during constant-current charge
Constantly rise, when rising to rated voltage, switch to constant-voltage charge, now charging current can constantly decline, when dropping to 0.01C
（C is the rated capacity of battery）When enter safeguard charging, safeguard charging is exactly constant-voltage charge 1min, stop filling 9min circulation,
The self discharge of battery can be so made up, the set-up mode effectively reduces the infringement that overcharge and overdischarge are caused to battery,
So as to improve the service life of rechargeable battery.
It is preferred that, in described AC charging circuit, ac rated voltage is no more than 690V, and exchange rated current is no more than
250A, frequency is 50Hz, specifically, the charge power of alternating current could be arranged to 7Kw, 22Kw, 40Kw；Described DC charging
In circuit, DC rated voltage is no more than 1000V, and rated current is no more than 400A, specifically, the charge power of direct current can be with
It is set to 60Kw, 120Kw, 200Kw.
Further, after plug and socket are connected, infomation detection and the authentication information that battery is detected in monitoring module
And control module is fed back to, charging circuit has been selected in judgement after AC charging circuit or DC charging circuit, according to electricity
The authentication information in pond, in AC charging circuit, the output voltage of charging circuit is adjusted by transformer；In DC charging circuit
In, voltage, the electric current of output are adjusted by DC-DC change-over switches, so as to be completed according to static battery information in charging circuit
The regulation of battery both end voltage, electric current.
It is preferred that, hat spring is provided with described jack, the reliability that contact pin is connected with jack has been effectively ensured.
Further, the 3rd contact pin PE length of described charging pile plug is most long, during connection, and the 3rd contact pin PE is with inserting
The 3rd jack 603 on seat 6 is contacted at first；During disconnection, the 3rd contact pin PE is finally separating with the 3rd jack 603 on socket 6.
It is preferred that, the above-below direction that described the first contact pin DC+/L501, the second contact pin DC-/N502 is arranged on plug 5 is leaned on
Position in the middle of near, the 3rd contact pin PE503 is arranged on the first contact pin DC+/L501, the second contact pin DC-/N502 lower section, described
The 4th contact pins A+504, the 5th contact pins A -505 be arranged on the 3rd contact pin PE503 left and right sides, the first contact pin DC+/
L501, the second contact pin DC-/N502 top set the 6th contact pin CC1506, the 7th contact pin CC2507, the 8th contact pin S+508, the
Nine contact pin S-509, described the 6th contact pin CC1506, the 7th contact pin CC2507, the 8th contact pin S+508, the 9th contact pin S-509 exist
Arranged on plug 5 in T fonts, the setting both ensure that the cable of the difference in functionality of plug was separated from each other, and in turn ensure that plug 5
With being plugged with and only a kind of inserting mode for socket 6, it is to avoid bring unnecessary trouble due to mispluging in use.
Further, the contact pin of the plug is arranged on pedestal, and the border of pedestal is provided with plug connection wall 510,
Plug locking system 511 is provided with a side of plug linking arm 510, is provided with the border of respective socket pedestal slotting
Seat connection wall 610, socket locking system is provided with after plug 5, socket 6 are connected with the corresponding position of plug locking system 511
611, described plug linking arm 510 is connected with socket connection wall 610, on the one hand ensures to the contact pin on socket 5 and inserts
Jack on seat 6 plays certain protective effect, on the other hand also improves reliability and safety that plug 5 is connected with socket 6
Property.
Specifically, described socket locking system 611 is stretches out the block tongue of socket connection wall 610, in socket locking system
Buckling groove is provided with 611, described block tongue is connected with buckling groove, and the setting ensure that plug connects with socket in charging
The stability connect, so that limited avoid the plug in charging process from being come off with socket, it is ensured that plug is inserted with socket in charging
The safety and reliability connect.
Further, described plug 5 is arranged on charging gun, and the setting is grasped when being easy to use charging pile charging
Make plug 5 to be attached with socket 6, so as to improve the agility of the present invention.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God is with principle, and any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (10)
1. charging pile plug, the socket of a kind of AC/DC universal, described plug are arranged on charging pile, pass through cable and charging
Respective lines or unit connection inside stake, socket are arranged on the battery or battery controller for needing to be charged using charging pile,
It is characterized in that：Described plug（5）In contact pin include charging module, auxiliary power module and infomation detection with monitoring mould
Block, described charging module includes the first contact pin DC+/L（501）, the second contact pin DC-/N（502）, the 3rd contact pin PE（503）；Institute
The 4th contact pins A stated+（504）, the 5th contact pins A-（505）Constitute the auxiliary power module of charging pile, described infomation detection with
Monitoring module realized with other contact pins in plug, described charging module, auxiliary power module and infomation detection and prison
Control module is electrically connected with control module, and described control module is single-chip microcomputer, in socket（6）Inside it is provided with corresponding with contact pin
Quantity and the jack of position, the socket（6）When being arranged on AC charging electric automobile, socket（6）Interior and accessory power supply pair
The 4th jack answered（604）, the 5th jack（605）The cable connecting portion of correspondence connection is open circuit；The socket（6）It is arranged on
When on DC charging electric automobile, socket（6）The 4th interior jack（604）, the 5th jack（605）The cable of correspondence connection connects
Socket part is path.
2. charging pile plug, the socket of a kind of AC/DC universal according to claim 1, it is characterised in that：Described letter
Breath detection includes the 6th contact pin CC1 with monitoring module（506）, the 7th contact pin CC2（507）, described infomation detection and monitoring mould
Block is used to detect whether the connection status of charging pile plug and socket is normal in DC circuit；Infomation detection exists with monitoring module
It is used to detect connection status and PWM detection in alternating current circuit.
3. charging pile plug, the socket of a kind of AC/DC universal according to claim 1, it is characterised in that：Described letter
Breath detection also includes the 8th contact pin S+ with monitoring module（508）, the 9th contact pin S-（509）, described the 8th contact pin S+（508）、
9th contact pin S-（509）The cable of connection is standby Can buses, for transmitting detection information or charging in charging circuit
Information.
4. charging pile plug, the socket of a kind of AC/DC universal according to claim 1, it is characterised in that：Described letter
Breath is detected also includes the authentication information and charging status information of detection rechargeable battery with monitoring module, when plug and socket connection
Afterwards, described infomation detection detects the authentication information of battery with monitoring module, then by the battery authentication feedback of the information detected
To control module, and by control module according to the charging voltage at static battery authentication information regulating cell two ends and charging electricity
Stream.
5. charging pile plug, the socket of a kind of AC/DC universal according to claim 1, it is characterised in that：Described letter
Breath detection includes Charge Management detection module with monitoring module, and described Charge Management detection module is configured as detecting and received
Electric current value information in charging process in the voltage value information at battery two ends, charging process.
6. charging pile plug, the socket of a kind of AC/DC universal according to one of claim 1 ~ 5, it is characterised in that：Institute
The connection state information of plug and socket, the authentication information of rechargeable battery and charging status information, battery in the charging circuit stated
Electric current value information in the voltage value information and charging process at two ends by one in infomation detection and monitoring module or
Many contact pins are transmitted.
7. the control method of a kind of charging pile plug, socket connection charging, it is characterised in that：
The first step：Charging pile plug and socket are connected and carry out contact UNICOM；
Second step：After accessory power supply contact pin jack contact connection corresponding with socket in plug, detection contact pin connects with socket
Whether it is path after logical；
3rd step：The testing result of second step is fed back into control module, if feedback result is path, control module passes through choosing
Select switch selection and connect charged with direct current circuit；If feedback result is open circuit, control module selects to exchange by selecting switch
Electric charging circuit；
4th step：When selecting DC charging circuit, the first contact pin described in charging module in plug is passed through direct current positive pole
DC+, the second contact pin is passed through direct current negative pole DC-, and the 3rd contact pin PE is ground wire, when current charge circuit is chosen friends in choosing, and charge mould
The first contact pin described in block in plug is passed through alternating current fire wire L, and the second contact pin is passed through alternating current zero line N, the 3rd contact pin
PE is ground wire；
5th step：If control module selection alternating current circuit charging, connects AC charging circuit, then charging valve by selecting switch
The voltage and corresponding charging current information that battery two ends are directly received after detection module is connected by contact pin with jack are managed, is filled
Fulgurite manages detection module by the voltage at the battery two ends received and corresponding charging current feedback of the information to control module, institute
The information that the control module stated is received according to Charge Management detection module adjusts voltage, the electricity of charging circuit by transformer
Stream, so as to meet the charging needs at rechargeable battery two ends；If control module selection DC circuit charging, Charge Management detection module
The voltage and corresponding charging current information at battery two ends, Charge Management detection are directly detected after being connected by contact pin with jack
Module is by the voltage at the battery two ends detected and corresponding charging current feedback of the information to control module, and control module passes through
The charging voltage and charging current at dc-dc regulating cell two ends,
6th step：Output voltage, the charging circuit of output current after regulation is transmitted to the two ends of battery, started to charge up.
8. the control method of a kind of charging pile plug according to claim 7, socket connection charging, it is characterised in that：Institute
The Charge Management detection module stated includes a microprocessor, and described microprocessor, which is included in DC charging circuit, to be provided with
Voltage detection unit, current detecting unit, charging voltage and charging current for detecting battery two ends during DC charging
Information, when charging circuit selects AC charging circuit, microprocessor directly receives the battery two ends transmitted by contact pin
Charging voltage and charging current information, if microprocessor do not receive battery two ends voltage and corresponding electric current letter
The charging circuit of breath, then charging circuit selection routine, described microprocessor passes through cable and Charge Management detection module phase
Even, Charge Management detection module is by the feedback of the information received to control module, and control module is according to feedback information so as to adjust
The voltage of charging module, electric current output.
9. the control method of a kind of charging pile plug according to claim 7, socket connection charging, it is characterised in that：Institute
In the AC charging circuit stated, ac rated voltage is no more than 690V, and exchange rated current is no more than 250A, and frequency is 50Hz；
In described DC charging circuit, DC rated voltage is no more than 1000V, and rated current is no more than 400A.
10. the control method of a kind of charging pile plug according to claim 7, socket connection charging, it is characterised in that：Institute
The charging module stated uses constant current -- constant pressure -- to safeguard charging in the circuit of battery two ends charging connection in DC charging circuit
Three sections of mise-a-la-masse methods charged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610850314.XA CN107154564B (en) | 2016-09-26 | 2016-09-26 | AC/DC universal charging pile plug, AC/DC universal charging pile socket and control method of AC/DC universal charging pile plug and AC/DC universal charging pile socket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610850314.XA CN107154564B (en) | 2016-09-26 | 2016-09-26 | AC/DC universal charging pile plug, AC/DC universal charging pile socket and control method of AC/DC universal charging pile plug and AC/DC universal charging pile socket |
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| Publication Number | Publication Date |
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| CN107154564A true CN107154564A (en) | 2017-09-12 |
| CN107154564B CN107154564B (en) | 2019-12-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610850314.XA Active CN107154564B (en) | 2016-09-26 | 2016-09-26 | AC/DC universal charging pile plug, AC/DC universal charging pile socket and control method of AC/DC universal charging pile plug and AC/DC universal charging pile socket |
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| Country | Link |
|---|---|
| CN (1) | CN107154564B (en) |
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