CN208324915U - Portable DC charging machine and DC charging system - Google Patents
Portable DC charging machine and DC charging system Download PDFInfo
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- CN208324915U CN208324915U CN201820547934.0U CN201820547934U CN208324915U CN 208324915 U CN208324915 U CN 208324915U CN 201820547934 U CN201820547934 U CN 201820547934U CN 208324915 U CN208324915 U CN 208324915U
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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
- Y02T90/14—Plug-in electric vehicles
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Abstract
The utility model belongs to charging technique field, provides a kind of Portable DC charging machine and DC charging system；The Portable DC charging machine includes: the first interface for accessing first via alternating current and the first control guidance signal；It is electrically connected with first interface, is configured to being converted to first via alternating current into the accessory power supply of low-voltage DC；It communicates to connect with first interface, is electrically connected with accessory power supply, be configured to generate DC charging control signal, and obtain the master board of exchange power detection signal according to the first control guidance signal；It is electrically connected with first interface, is communicated to connect with master board, be configured to that first via alternating current is converted to the first charging conversion circuit of predetermined DC electricity according to exchange power detection signal；Large power supply can be directly exported by predetermined DC electricity；It can solve the problems, such as that charge power present in existing Portable DC charging equipment is low and it is inconvenient to obtain high-power ac power by the utility model.
Description
Technical field
The utility model belongs to charging technique field more particularly to a kind of Portable DC charging machine and DC charging system
System.
Background technique
Along with the raising of people's living standard, electric car has gradually obtained more next in people's daily life
It is more extensive universal；Since electric car needs to consume in driving procedure a large amount of electric energy, how easily and quickly to give
Electric car electric energy supplement becomes the major subjects of the limitation good and fast development of electric car industry at present；It is asked to solve this
Topic, the prior art use a large amount of charging pile to carry out quick charge for electric car；By stopping in residential area, office building
Multiple quick charge websites are set up in the regions such as parking lot and Public Parking, can solve current electric car to a certain extent
The difficult problem of the charging occurred in the process of moving.
However, common class alternating-current charging pile utilization rate is extremely low in the prior art, main cause includes following two points:
1, the power to be charged by alternating-current charging pile to electric car is lower, therefore the charging time of alternating-current charging pile
It is longer, it is generally the case that electric car needs the time charged by charging pile up to 7~8 hours, and user can not wait
To such a long time.
2, the rated power of the Vehicular charger of current alternating-current charging pile is exported power and electric car has not been
It is complete matched；The high-power ac power of portion portable DC charging motor product obtains simultaneously inconvenient simultaneously, can not effective benefit
With existing alternating-current charging pile, to reduce the experience sense of user.
In summary it discusses, Portable DC charging equipment charge power is lower in the prior art, and obtains high-power friendship
It is inconvenient to flow power input, and then causes the usage experience sense of user bad.
Utility model content
The utility model provides a kind of Portable DC charging machine and DC charging system, it is intended to solve in the prior art just
The charge power for taking formula DC charging equipment is lower, and obtains high-power ac power input inconvenience and the experience sense of user
Bad problem.
The utility model first aspect provides a kind of Portable DC charging machine, comprising:
For accessing the first interface of first via alternating current and the first control guidance signal；
It is electrically connected with the first interface, is configured to being converted to the first via alternating current into the auxiliary electricity of low-voltage DC
Source；
It communicates to connect with the first interface, is electrically connected with the accessory power supply, be configured to generate DC charging control letter
Number, and the master board of exchange power detection signal is obtained according to the first control guidance signal；
It is electrically connected with the first interface, communicates to connect, be configured to according to the exchange electro-detection with the master board
The first via alternating current is converted to the first charging conversion circuit of predetermined DC electricity by signal.
In one of them embodiment, further includes:
For accessing the second interface of the second road alternating current；
The one termination second interface, another termination first interface and first charging conversion circuit, are configured to
The relay being then attracted when the second interface accesses the second road alternating current.
In one of them embodiment, further includes:
It is communicated to connect with the master board, the third for accessing third road alternating current and the second control guidance signal connects
Mouthful；
Input terminal is electrically connected with the third interface, and output end is electrically connected with first charging conversion circuit, and described
Master board communication connection is configured to be converted to third road alternating current according to the exchange power detection signal described default
Second charging conversion circuit of direct current.
In one of them embodiment, the first via alternating current is 220V/16A~32A alternating current；
The predetermined DC electricity is 220V~500V/20A direct current.
In one of them embodiment, the master board and first charging conversion circuit are logical using CAN bus
Believe agreement.
The utility model second aspect provides a kind of DC charging system, is applied to electric car, comprising:
It is configured as output to the first power supply unit of first via alternating current and the first control guidance signal；
It is electrically connected with first power supply unit, is configured to generate DC charging control signal, and according to described first
The first via alternating current is converted to the Portable DC charging machine of predetermined DC electricity by control guidance signal；
It, will be described default straight for controlling signal according to the DC charging with the Portable DC charging mechatronics
Galvanic electricity is transmitted to the OBD interface of the electric car.
In one of them embodiment, further includes:
With Portable DC charging mechatronics, it is configured as output to the second power supply unit of the second road alternating current.
In one of them embodiment, further includes:
With Portable DC charging mechatronics, it is configured as output to the of third road alternating current and the second control guidance signal
Three power supply units.
In one of them embodiment, first power supply unit is the alternating-current charging pile of 220V/16A~32A；
The predetermined DC electricity is 220V~500V/20A direct current.
The utility model acquired advantageous effects compared with the existing technology are as follows: in above-mentioned Portable DC charging machine
In, first via alternating current and the first control guidance signal are accessed by first interface, first via alternating current is portable as this at this time
The input power of formula DC charging motor；Exchange power detection signal, base are obtained according to the first control guidance signal by master board
Can determine whether out whether Portable DC charging machine has accessed first via alternating current at this time, and first fills in the first control guidance signal
First via alternating current is converted to predetermined DC electricity according to the exchange power detection signal by power conversion circuit, and the predetermined DC is electric
Output realizes that the quick charge for electric car operates into electric car；Therefore above-mentioned Portable DC charging machine
In without being reconfigured other extracurrent converting members or equipment, there is relatively simple internal structure, it is practical, can expand
Malleability is high, greatly improves the Portable DC charging machine for the charge power of electric car, shortens electric car
Charging time；To which the charge power for efficiently solving Portable DC charging equipment in the prior art is low, obtain high-power
AC power source input is inconvenient, leads to not the problem of realizing quick charge to electric car.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, for those skilled in the art, without creative efforts, can also be obtained according to these attached drawings
Other attached drawings.
Fig. 1 is a kind of structural schematic diagram of Portable DC charging machine provided by the embodiment of the utility model；
Fig. 2 is the structural schematic diagram of another Portable DC charging machine provided by the embodiment of the utility model；
Fig. 3 is the structural schematic diagram of another Portable DC charging machine provided by the embodiment of the utility model；
Fig. 4 is a kind of structural schematic diagram of DC charging system provided by the embodiment of the utility model；
Fig. 5 is the structural schematic diagram of another DC charging system provided by the embodiment of the utility model；
Fig. 6 is the structural schematic diagram of another DC charging system provided by the embodiment of the utility model；
Fig. 7 is a kind of implementation flow chart of the charge control method of electric car provided by the embodiment of the utility model.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Fig. 1 shows the structure of Portable DC charging machine 10 provided by the embodiment of the utility model, for ease of description,
Part relevant to the utility model embodiment is illustrated only, details are as follows:
As shown in Figure 1, the Portable DC charging machine 10 includes first interface 101, accessory power supply AUX, master board
MCU, relay K and the first charging conversion circuit OBC1；Wherein first interface 101 accesses first via alternating current AC2 and first
Control guidance signal CP2, input power of the first via alternating current AC2 as Portable DC charging machine 10 pass through the first control
Guidance signal CP2 can judge whether first interface 101 has accessed first via alternating current AC2 at this time.
Accessory power supply AUX is electrically connected with first interface 101, and accessory power supply AUX is converted to first via alternating current AC2 low
Straightening galvanic electricity Power1；As an alternative embodiment, the low-voltage DC Power1 is the direct current no more than 220V
Electricity；Master board MCU and first interface 101 communicate to connect, and master board MCU is electrically connected with accessory power supply AUX, master board
MCU generate DC charging control signal D1, wherein DC charging control signal D1 for establish Portable DC charging machine 10 with
Connection between electric car；Specifically, low-voltage DC Power1 is transmitted in master board MCU by accessory power supply AUX,
Direct current energy is provided to master board MCU by low-voltage DC Power1, to drive the master board to work；Work as master board
After MCU is in normal work, master board MCU generates DC charging and controls signal D1, and the DC charging is controlled signal D1
It is transmitted in electric car, the electric car and Portable DC charging machine 10 control signal D1 and establish and connect according to the DC charging
Relationship is connect, only after establishing a connection between electric car and Portable DC charging machine 10, Portable DC charging machine
10 could export direct current energy to electric car.
Meanwhile master board MCU obtains exchange power detection signal D2 according to the first control guidance signal CP2；Due to basis
First control guidance signal CP2 can judge whether Portable DC charging machine 10 has accessed first via alternating current AC2, therefore
Master board MCU and first interface 101 communicate to connect, the first control that master board MCU is accessed by detecting first interface 101
System guidance signal CP2 obtains exchange power detection signal D2；Specifically, being connect if master board MCU can be received from first
First control guidance signal CP2 of mouth 101, then illustrate that Portable DC charging machine 10 is accessed by first interface 101 at this time
First via alternating current AC2, Portable DC charging machine 10 are in normal working condition, and first via alternating current AC2 is as portable
The input power of formula DC charging motor 10；Conversely, if master board MCU does not receive the first control guidance signal CP2,
Illustrate that the first via alternating current AC2 not accessed by first interface 101 at this time, Portable DC charging machine 10 stop in work
Only state；Therefore exchange power detection signal D2 is obtained when master board MCU controls guidance signal CP2 according to first, is based on first
You can get it by control guidance signal CP2: whether Portable DC charging machine 10 at this time accesses first via alternating current AC2.
As an alternative embodiment, above-mentioned master board MCU can be single-chip microcontroller, DSP (Digital Signal
Processing, Digital Signal Processing), FPGA (Field Programmable Gate Array, field programmable gate
Array) etc..
First charging conversion circuit OBC1 is electrically connected with first interface 101, and the first charging conversion circuit OBC1 and master
Control panel MCU communication connection, master board MCU are transmitted to the first charging conversion circuit OBC1 for power detection signal D2 is exchanged, the
First via alternating current AC2 is converted to predetermined DC electricity HVDC according to exchange power detection signal D2 by one charging conversion circuit OBC1,
By the predetermined DC electricity HVDC DC power supply can be provided to electric car；Wherein the first charging conversion circuit OBC1 is used for
Realize the electric current conversion of AC/DC, first via alternating current AC2 is converted to predetermined DC electricity by the first charging conversion circuit OBC1
HVDC；Optionally, the first charging conversion circuit OBC1 can realize that exchange turns straight using existing rectifier or rectifier bridge
The function of stream.
Further, as noted previously, as can judge Portable DC at this time by the first guidance control signal CP2
Charger 101 whether there is the input of AC power source, and master board MCU is handed over according to the first control guidance signal CP2
Flow power detection signal D2；First charging conversion circuit OBC1 is according to exchange power detection signal D2 you can get it Portable DC at this time
Whether charger 10 accesses first via alternating current AC2；If having accessed first via alternating current AC2 by first interface 101 at this time,
First via alternating current AC2 is converted to predetermined DC electricity according to exchange power detection signal D2 by the first charging conversion circuit OBC1
HVDC, predetermined DC electricity HVDC can be directly output to electric car by the first charging conversion circuit OBC1 at this time, and then realize phase
The quick charge of electric car.
By the utility model embodiment, Portable DC charging machine 10 accesses first via exchange by first interface 101
The control guidance signal CP2 of electric AC2 and first, while the first charging conversion circuit OBC1 obtains this according to exchange power detection signal D2
When Portable DC charging machine 10 whether there is the input of AC power source, and then the first charging conversion circuit OBC1 is according to alternating current
It detects signal D2 and first via alternating current AC2 is converted into predetermined DC electricity HVDC, predetermined DC electricity HVDC can be directly output to
In electric car, direct current generator 10 switches through without other current transfer means or by extraneous alternating current direct in the case where equipment
It is changed to predetermined DC electricity HVDC, to export powerful direct current to electric car, and Portable DC charging machine 10 has
Relatively simple internal structure, user-friendly and carrying, shortens the charging time of electric car, improves user's
Usage experience sense；Efficiently solve that charge power existing for Portable DC charging equipment in the prior art is low, obtains big function
The problem that rate AC power source is inconvenient and user experience sense is bad.
As a preferred embodiment, Fig. 2 shows Portable DC chargings provided by the embodiment of the utility model
Another structure of machine 10, it is portable shown in Fig. 2 compared to the structure of Portable DC charging machine 10 shown in figure 1
Formula DC charging motor 10 further comprises second interface 102 and relay K, specifically:
Second interface 102 accesses the second road alternating current AC1；Optionally, it is handed over by the first via that first interface 101 is accessed
The nominal parameter of galvanic electricity AC2 can be identical with the nominal parameter of the second road alternating current AC1 accessed by second interface 102,
Can not also be identical, wherein the nominal parameter includes but is not limited to: rated power, voltage rating and rated current；With
Portable DC charging machine 10 in Fig. 1 is compared, and Portable DC charging machine 10 shown in Fig. 2 can pass through first interface
101 access first via alternating current AC2 can also access the second road alternating current AC1 by second interface 102, and wherein the first via exchanges
Electric AC2 or the second road alternating current AC1 all can serve as the input power of Portable DC charging machine 101, to greatly mention
The high applicable generality of Portable DC charging machine 10.
A termination second interface 102 of relay K, another termination first interface 101 and the first charging conversion circuit OBC1,
When second interface 102 accesses the second road alternating current AC1, relay K is attracted；In practical applications, Portable DC charging machine 10
In synchronization one access AC power source all the way, Portable DC can only be selected in first interface 101 and second interface 102
Charger 10 can not access first via alternating current AC2 and the second road alternating current AC1 simultaneously；Therefore, if the access of second interface 102 the
Two road alternating current AC1 then illustrate that Portable DC charging machine 10 passes through the second road alternating current AC1 of access of second interface 102 at this time,
Electric energy is provided to Portable DC charging machine by the second road alternating current AC1, then relay K, which is attracted, passes through second interface 102
The second road alternating current AC1 can be exported to Portable DC charging machine 10；Conversely, if second interface 102 does not access the second tunnel
Alternating current AC1 then illustrate at this time Portable DC charging machine 10 by first interface 101 access first via alternating current AC2, first
Input power of the road alternating current AC2 as Portable DC charging machine 10, relay K is not attracted in such cases, can be direct
First via alternating current AC2 is exported to Portable DC charging machine 10 by first interface 101；It therefore can by relay AC1
Guarantee that Portable DC charging machine 10 interior at any time can access first via alternating current AC2 or the second road alternating current AC1.
As shown in Fig. 2, since the power supply line of first interface 101 and second interface 102 includes firewire L and zero curve N, relay
K includes that the first relay K1 and the second relay K2, the first relay K1 is connected to the firewire and second interface of first interface 101
Between 102 firewire, the second relay K2 is connected between the zero curve N of first interface 101 and the zero curve of second interface 102.
Discussed in conjunction with text for Portable DC charging machine 10 shown in figure 1 above, below it is portable in explanatory diagram 2
The working principle of formula DC charging motor 10: as shown in Fig. 2, since Portable DC charging machine 10 can be connect by first interface 101
Enter the control guidance signal CP2 of first via alternating current AC2 and first, Portable DC charging machine 10 can also pass through second interface 102
Access the second road alternating current AC1；It can be judged by the first control guidance signal CP2: Portable DC charging machine 10 at this time
The power supply accessed is derived from first via alternating current AC2 or the second road alternating current AC1, and master board MCU is according to
One control guidance signal CP2 obtains exchange power detection signal D2；Since first via alternating current AC2 voltage, electric current and the second tunnel are handed over
Voltage, the electric current of galvanic electricity AC1 has biggish difference；Such as the voltage/current of first via alternating current AC2 are as follows: 220V/32A,
The voltage/current of second road alternating current AC1 are as follows: 220V/10A, the first charging conversion circuit OBC1 are according to exchange power detection signal
You can get it that Portable DC charging machine 10 is inputted at this time alternating current is 220V/10A or 220V/32A by D2；Further
Ground, the first charging conversion circuit OBC1 is according to the different type of alternating current by first via alternating current AC2 or the second road alternating current
AC1 is converted to predetermined DC electricity HVDC, and predetermined DC electricity HVDC is directly output to electricity by the first charging conversion circuit OBC1
Electrical automobile, and then realize the quick charge for electric car.
As an alternative embodiment, in above-mentioned Portable DC charging machine 10, first via alternating current AC2 is
220V/16A~32A alternating current；Second road alternating current AC1 is 220V/10A~16A alternating current；Predetermined DC electricity HVDC is 220V
~500V/20A direct current；Since first via alternating current AC2 and the second road alternating current AC1 can not be directly output to electric car
In, first via alternating current AC2 or the second road alternating current AC1 are converted to predetermined DC electricity by the first charging conversion circuit OBC1
HVDC, predetermined DC electricity HVDC can directly meet the charge power requirement of electric car, thus can by predetermined DC electricity HVDC
DC power supply is directly provided to electric car.
In Portable DC charging machine 10 out shown in Fig. 2, Portable DC charging machine 10 is guided according to the first control
Signal can be judged: the power supply that Portable DC charging machine 10 is accessed at this time is derived from first via alternating current AC2 still
Second road alternating current AC1, master board MCU obtain exchange power detection signal D2 according to the first control guidance signal CP2, and main
Control panel MCU generates DC charging and controls signal D1, and Portable DC charging can be established by controlling signal D1 by DC charging
Connection between machine 10 and electric car, the first charging conversion circuit OBC1 obtain portable at this time according to exchange power detection signal D2
The power supply that formula DC charging motor 10 is accessed is derived from first via alternating current AC2 or the second road alternating current AC1, and first
Charging conversion circuit OBC1 is according to exchange power detection signal D2 respectively to first via alternating current AC2 or the second road alternating current AC1
Be converted to predetermined DC electricity HVDC；Therefore it is shown in Fig. 2 go out Portable DC charging machine 10 can by first via alternating current AC2 or
The second road of person alternating current AC1 is respectively converted into predetermined DC electricity HVDC, to provide high power DC electricity to electric car, has
The wider array of scope of application.
Fig. 3 shows another structure of Portable DC charging machine 10 provided by the embodiment of the utility model, compared to
The structure of Portable DC charging machine 10 shown by Fig. 1 and Fig. 2, direct current generator 10 shown in Fig. 3 further comprise third and connect
Mouth 301 and the second charging conversion circuit OBC2, specific:
Third interface 301 and master board MCU are communicated to connect, and third interface 301 accesses third road alternating current AC3 and second
Control guidance signal CP3；Optionally, the nominal parameter of the nominal parameter of third road alternating current AC3 and first via alternating current AC2 can
With it is identical can not also be identical, wherein nominal parameter includes but is not limited to: voltage rating, rated current and rated power；Second
The input terminal of charging conversion circuit OBC2 is electrically connected with third interface 301, the output end of the second charging conversion circuit OBC2 and
One charging conversion circuit OBC1 electrical connection, the second charging conversion circuit OBC2 and master board MCU are communicated to connect, and the second charging turns
It changes circuit OBC2 and third road alternating current AC3 is converted to by predetermined DC electricity HVDC according to exchange power detection signal D2.
In conjunction with the discussion in above-mentioned Fig. 1 and Fig. 2 about 10 working principle of Portable DC charging machine；Shown in Fig. 3
Portable DC charging machine 10, it is main since master board MCU and first interface 101 and third interface 301 are communicated to connect simultaneously
Control panel MCU can obtain exchange electric-examination by the detection for the first control control guidance of guidance signal CP2 and second signal CP3
Signal D2 is surveyed, needs to be illustrated, in 10 structure of Portable DC charging machine gone out shown in fig. 3, Portable DC
Charger 10 can access first via alternating current AC2 and third road alternating current AC3 simultaneously, and then can be examined by master board MCU
It measures the power supply that Portable DC charging machine 10 is inputted at this time and is derived from the second road alternating current AC1 and be also derived from the first via
Alternating current AC2 and third road alternating current AC3；If Portable DC charging machine 10 passes through first interface 101 and third interface at this time
301 access first via alternating current AC2 and third road alternating current AC3 simultaneously, then the first charging conversion circuit OBC1 is according to exchange
First via alternating current AC2 is converted to predetermined DC electricity HVDC by power detection signal D2, and the second charging conversion circuit OBC2 is according to friendship
It flows power detection signal D2 and third road alternating current AC3 is converted into predetermined DC electricity HVDC；Due to the second charging conversion circuit OBC2
Output end be electrically connected with the first charging conversion circuit OBC1, that is, Portable DC charging machine 10 to electric car export
Two-way identical predetermined DC electricity HVDC；Therefore compared to Portable DC charging machine shown in attached drawing 1 and attached drawing 2
10, Portable DC charging machine 10 shown in attached drawing 3 can access first via alternating current AC2 and third road alternating current simultaneously
AC3, and then the first charging conversion circuit OBC1 and the second charging conversion circuit OBC2 generates two-way predetermined DC electricity simultaneously, it is portable
Formula DC charging motor 10 can export bigger power to electric car, be further reduced the charging time of electric car.
It should be noted that the Portable DC charging machine 10 gone out shown in fig. 3, the second charging conversion circuit OBC2 institute
The function of realization is similar with the function of the first charging conversion circuit OBC1, therefore for the tool of the second charging conversion circuit OBC2
Body embodiment and function can refer to the specific embodiment of above-mentioned first charging conversion circuit OBC1, and details are not described herein again.
As an alternative embodiment, above-mentioned third road alternating current AC3 is 220V/16A~32A alternating current.
As a preferred embodiment, master board MCU and the first charging conversion circuit OBC1 uses CAN
(Controller Area Network, controller LAN) bus communication protocol；The charging of master board MCU and second is converted
Circuit OBC2 uses CAN (Controller Area Network, controller LAN) bus communication protocol；Wherein CAN bus
Communication protocol is a kind of serial communication protocol applied in real time, and twisted pair can be used to transmit, can be applicable to various not simultaneous interpretations
Communications between defeated terminal；Compared to other transmission modes, CAN bus communication protocol has being capable of real-time support, transmission
Rate is high and has many advantages, such as error detecing capability.
Fig. 4 shows the structure of DC charging system 40 provided by the embodiment of the utility model, the DC charging system 40
Applied to electric car, as shown in figure 4, DC charging system 40 includes the first power supply unit 401, Portable DC charging machine
402 and OBD (On Board Diagnostics, mounted automatic diagnosis) interface 403.
Wherein the first power supply unit 401 output first via alternating current AC2 and first control guidance signal CP2；Portable direct
Current charge machine 402 is electrically connected with the first power supply unit 401, and first via alternating current AC2 can be transmitted to by the first power supply unit 401
Portable DC charging machine 402；Further, Portable DC charging machine 402 can be sentenced according to the first control guidance signal CP2
Break and: whether DC charging system 40 has accessed AC power source at this time, and then Portable DC charging machine 402 is according to the first control
Guide signal CP2 that first via alternating current AC2 is converted to predetermined DC electricity HVDC.
It needs to be illustrated, Portable DC charging machine 402 shown in Fig. 3 is as described above portable
DC charging motor 10, therefore the concrete operating principle of Portable DC charging machine 402 can refer to and above-mentioned Portable DC be filled
The discussion of motor 10.
OBD interface 403 is connect with Portable DC charging machine 402, and OBD interface 403 controls signal D1 according to DC charging
By predetermined DC electricity HVDC transmission to electric car；Specifically, Portable DC charging machine 402, which generates DC charging, controls signal
D1, and DC charging control signal D1 is transmitted to OBD interface 403, Portable DC charging machine 402 and OBD interface 403 it
Between can control signal D1 according to DC charging and be connected with each other, when Portable DC charging machine 402 and OBD interface 403 are real
After now connecting, Portable DC charging machine 402 passes through OBD interface 403 by predetermined DC electricity HVDC transmission into electric car,
To realize quick, the high-power charging for electric car.
In above-mentioned DC charging system 40, since Portable DC charging machine 402 is accessed by the first power supply unit 401
The control guidance signal CP2 of first alternating current AC2 and first, wherein offer electricity of the first alternating current AC to DC charging system 40
Can, Portable DC charging machine 402 and OBD interface 403 are based on DC charging control signal D1 and establish connection, and according to first
Control guidance signal CP2 can be obtained: Portable DC charging machine 402 is inputted with the presence or absence of alternating current at this time；If first supplying at this time
Electric installation 401 exports the first alternating current AC2 to Portable DC charging machine 402, then Portable DC charging machine 402 is according to first
First alternating current AC2 is converted to predetermined DC electricity HVDC, OBD interface 403 according to DC charging control by control guidance signal CP2
After signal D1 processed and Portable DC charging machine 402 realize connection, so OBD interface 403 by predetermined DC electricity HVDC transmission extremely
In electric car；To can rapidly output high-power power to electric car by Portable DC charging machine 402, drop
In the low charging time of electric car, the charge step of electric car is simplified, the usage experience sense of user is improved；Effectively
Solve the problems, such as that the charging time of electric car in the prior art is long and charge rate is slow.
Fig. 5 shows another structure of DC charging system 40 provided by the embodiment of the utility model, compared to Fig. 4 institute
The structure of the DC charging system 40 shown, the DC charging system 40 in Fig. 5 further comprise the second power supply unit 404, wherein
Second power supply unit 404 is electrically connected with Portable DC charging machine 402, and the second power supply unit 404 exports the second road alternating current
AC1。
In DC charging system 40 out shown in Fig. 5, since Portable DC charging machine 402 is simultaneously with first for Denso
Set 401 and second power supply unit 404 be electrically connected, therefore, Portable DC charging machine 402 can be connect by the first power supply unit 401
The second road alternating current can also be accessed by the second power supply unit 404 by entering the control guidance of first via alternating current AC2 and first signal CP2
AC1, the input power of first via alternating current AC2 or the second road alternating current AC1 as DC charging system 40 herein；Just
It takes formula DC charging motor 402 and generates DC charging control signal D1, and Portable DC charging machine 402 is handed over according to the first via
Galvanic electricity AC2 or the second road alternating current AC1 obtain predetermined DC electricity HVDC；Therefore, DC charging system 40 illustrated in fig. 5
It can be compatible with 404 input power of 401 input power of the first power supply unit or the second power supply unit, Portable DC charging simultaneously
Machine 402 is identified according to the first control guidance signal CP2: the power supply that Portable DC charging machine 402 is inputted at this time is source
In first via alternating current AC2 or the second road alternating current AC1, and then Portable DC charging machine 402 is to first via alternating current AC2
Processing is distinguished with the second road alternating current AC1, to be converted to predetermined DC electricity HVDC respectively, passes through predetermined DC electricity
HVDC exports large power supply to electric car；Thus, DC charging system 40 illustrated in fig. 5 is with higher simultaneous
Capacitive and scalability, application range are more extensive.
As an alternative embodiment, the first power supply unit 401 is the alternating-current charging pile of 220V/16A~32A；The
Two power supply units 404 are the three core sockets of 220V/10A~16A；Since three core sockets are normal domestic charging unit, and exchange
Charging pile is the dedicated supplement electricity equipment of electric vehicle, since three core sockets and alternating-current charging pile are electric in internal structure and charging
For stream etc. there are great difference, DC charging equipment in the prior art can not use three core sockets and Alternating Current Power Supply simultaneously
Stake is applied in the charging system of electric car；And DC charging system 40 provided by implementing in the utility model includes portable
Formula DC charging motor 402, Portable DC charging machine 402 can be directly attached with three core sockets and alternating-current charging pile, electronic
Automobile by Portable DC charging machine 402 can directly from three core sockets or alternating-current charging pile automatic power taking to supplement electricity,
Portable DC charging machine 402 generates predetermined DC electricity HVDC according to first via alternating current AC2 or the second road alternating current AC1,
And by predetermined DC electricity HVDC transmission into electric car, and then greatly improve the convenience of electric car charging operations.
Fig. 6 shows another structure of DC charging system 40 provided by the embodiment of the utility model, compared to Fig. 4 and
The structure of DC charging system 40 illustrated in fig. 5, DC charging system 40 shown in Fig. 6 include third power supply unit
405；Wherein third power supply unit 405 is electrically connected with Portable DC charging machine 402, and third power supply unit 405 hands over third road
The control guidance of galvanic electricity AC3 and second signal CP3 is exported to Portable DC charging machine 402；The direct current according to shown in Fig. 6
Charging system 40；Since Portable DC charging machine 402 is electrically connected with the first power supply unit 401 and third power supply unit 405 simultaneously
It connects, then Portable DC charging machine 402 can receive first via alternating current AC2 and third road alternating current AC3 simultaneously, at this time the first via
Alternating current AC2 and third road alternating current AC3 is used as the input power of DC power-supply system 30, Portable DC charging machine simultaneously
First via alternating current AC2 and third road alternating current AC3 are converted to predetermined DC electricity HVDC by 402, pass through predetermined DC electricity
HVDC provides DC power supply to electric car；Due in this case, the first power supply unit 401 and third power supply unit 401
First via alternating current AC2 and third road alternating current AC3 can be exported to Portable DC charging machine 402 simultaneously, compared to attached drawing 4
With the DC charging system 40 in attached drawing 5, Portable DC charging machine 402 is exchanged according to first via alternating current AC2 with third road
The predetermined DC electricity HVDC that electric AC3 is converted to has bigger output power, and then can be to electronic vapour by OBD interface 403
Vehicle exports bigger DC power supply, improves the charge efficiency of the electric car, reduces the charging time of electric car；Therefore
The compatible input multiple AC of DC charging system 40, it is expansible to improve the output power of Portable DC charging machine 402
Property is extremely strong.
As an alternative embodiment, above-mentioned third power supply unit 405 is the AC charging of 220V/16A~32A
Stake；In conjunction with attached drawing 6,402 maximum of Portable DC charging machine can support two groups of alternating-current charging piles in DC charging system 40
Input, to greatly improve the output power of Portable DC charging machine 402.
Fig. 7 shows the implementation process of the charge control method of electric car provided by the embodiment of the utility model, wherein
The charge control method is applied in above-mentioned Portable DC charging machine 10, according to the opinion above for Portable DC charging machine 10
State and in conjunction with attached drawing 1, Portable DC charging machine 10 include: first interface 101, accessory power supply AUX, master board MCU with
And the first charging conversion circuit OBC1；Wherein the function of each building block and connection are closed in Portable DC charging machine 10
System, can refer to the embodiment above in connection with Portable DC charging machine 10, details are not described herein again；As shown in fig. 7, electric car
Charge control method include:
Step S701: the control guidance of first via alternating current AC2 and first signal CP2 is accessed by first interface 101.
First via alternating current AC2 is converted to low-voltage DC Power1 to main control by step S702: accessory power supply AUX
Plate MCU.
In step S701 and step S702, first via alternating current AC2 is as initial input power, accessory power supply AUX
First via alternating current AC2 is converted into low-voltage DC Power1 to master board MCU, and then passes through low-voltage DC
Power1 provides constant electric energy to master board MCU.
As an alternative embodiment, the low-voltage DC Power1 refers to voltage magnitude no more than 220V's
Direct current.
Step S703: master board MCU, which generates DC charging, controls signal D1, and guides signal according to the first control
CP2 obtains exchange power detection signal D2.
In step S703, on the one hand, when first via alternating current AC2 is converted to low-voltage DC by accessory power supply AUX
When Power1 to master board MCU, direct current energy can be provided to master board MCU by low-voltage DC Power1；Main control
Plate MCU generates charging control signal D1, can realize Portable DC charging machine 10 and electric car by charging control signal D1
Between connection, after Portable DC charging machine 10 and electric car are fully connected successfully, electric car, which could receive, to be come
Derived from the direct current energy generated of Portable DC charging machine 10；On the other hand, by for first control guidance signal CP2 into
Row detection can obtain exchange power detection signal D2, master board MCU can analyze at this time according to the first control guidance signal CP2
Whether first interface 101 accesses first via alternating current AC2, thus by master board MCU can automatic identification Portable DC fill
Whether input AC is electric for motor 10.
Step the S704: the first charging conversion circuit OBC1 turns first via alternating current AC2 according to exchange power detection signal D2
It is changed to predetermined DC electricity HVDC.
In step S704, due to the first charging conversion circuit OBC1 obtaining according to exchange power detection signal D2:
At this time first conversion circuit OBC1 is served as with the presence or absence of the input of alternating current；If Portable DC charging machine 10 passes through first interface
101 access first via alternating current AC2 and the first control guidance signal CP2, the first charging conversion circuit OBC1 can be according to alternating current
It detects signal D2 and first via alternating current AC2 is converted to predetermined DC electricity HVDC, predetermined DC electricity HVDC can be exported directly
Into electric car, to realize the quick charge of electric car.
Predetermined DC electricity HVDC is transmitted to electronic by step S705:OBD interface 403 according to DC charging control signal D1
Automobile.
In step S705, when OBD interface 403 receives DC charging control signal D1, OBD interface 403 is according to direct current
Charging control signal D1 connects one to one with Portable DC charging machine 10；If OBD interface 403 is filled with Portable DC
After 10 successful connection of motor, the first charging conversion circuit OBC1 can by OBD interface 403 by predetermined DC electricity HVDC transmission extremely
In electric car, and then realize that the electric car is completed in a relatively short time electric energy supplement.
According to the implementing procedure of the above-mentioned charge control method for electric car it is found that Portable DC charging machine 10 can
The control guidance signal CP2 of first via alternating current AC2 and first, therefore the Portable DC charging are accessed by first interface 101
Machine 10 can be obtained according to the first control guidance signal CP2: whether first interface 101 accesses first via alternating current AC2 at this time；And
In above-mentioned charge control method, master board MCU obtains exchange power detection signal D2 according to the first control guidance signal CP2,
And then first via alternating current AC2 is converted to predetermined DC electricity according to exchange power detection signal D2 by the first charging conversion circuit OBC1
HVDC, without configuring other any accessories or product, the also expansible multiple alternating currents of access of Portable DC charging machine 10
Input interface, compatibility are extremely strong；Further, it discusses from the above-mentioned structure for Portable DC charging machine 10 it is found that portable
Formula DC charging motor 10 has extremely simple internal structure, and Portable DC charging machine 10 can export predetermined DC electricity HVDC
Into electric car, so that electric car completes charging process with biggish charge power, electric car highly shortened
Charging time, improve the usage experience sense of user；It is more to efficiently solve Portable DC charging equipment in the prior art
Existing charge power is low, obtains the problem that high-power ac power is inconvenient and user experience sense is bad.
It is understood that Portable DC charging machine 10 is main in the utility model embodiment noted hereinabove
It applies in the direct current supply of electric car, since embodiment described herein is for illustrating Portable direct in the utility model
The embodiment of the items technical characteristic such as current charge machine 10, the every technical characteristic being not intended to limit in the utility model；Cause
If this applies the Portable DC charging machine 10 in the utility model in other fields or equipment, for example mobile phone fills
Electricity, computer charging and aircraft charging etc., these are only phase of the Portable DC charging machine 10 in other technical fields
Similar application, under the premise of without prejudice to technical characteristic recorded in the utility model and utility model design, this is also
Belong to the protection scope of the utility model.
It should be noted that, in this document, such as first and second etc relational terms are used merely to an entity
Distinguished with another entity, without necessarily requiring or implying between these entities there are any this actual relationship or
Person's sequence.And the terms "include", "comprise" or any other variant are intended to non-exclusive inclusion, so that packet
Include the product of a series of elements or the element that structure is intrinsic.In the absence of more restrictions, by sentence " packet
Include ... " or " including ... " limit element, it is not excluded that at process, method, article or end including the element
There is also other elements in end equipment.In addition, herein, " being greater than ", " being less than ", " being more than " etc. are interpreted as not including this
Number；" more than ", " following ", " within " etc. be interpreted as including this number.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (9)
1. a kind of Portable DC charging machine characterized by comprising
For accessing the first interface of first via alternating current and the first control guidance signal；
It is electrically connected with the first interface, is configured to being converted to the first via alternating current into the accessory power supply of low-voltage DC；
It communicates to connect with the first interface, is electrically connected with the accessory power supply, be configured to generate DC charging control signal, and
And the master board of exchange power detection signal is obtained according to the first control guidance signal；
It is electrically connected with the first interface, communicates to connect, be configured to according to the exchange power detection signal with the master board
The first via alternating current is converted to the first charging conversion circuit of predetermined DC electricity.
2. Portable DC charging machine according to claim 1, which is characterized in that further include:
For accessing the second interface of the second road alternating current；
The one termination second interface, another termination first interface and first charging conversion circuit, are configured in institute
It states second interface and accesses the relay being then attracted when the second road alternating current.
3. Portable DC charging machine according to claim 1 or 2, which is characterized in that further include:
It is communicated to connect with the master board, for accessing the third interface of third road alternating current and the second control guidance signal；
Input terminal is electrically connected with the third interface, and output end is electrically connected with first charging conversion circuit, with the master control
Making sheet communication connection, is configured to that third road alternating current is converted to the predetermined DC according to the exchange power detection signal
Second charging conversion circuit of electricity.
4. Portable DC charging machine according to claim 1, which is characterized in that
The first via alternating current is 220V/16A~32A alternating current；
The predetermined DC electricity is 220V~500V/20A direct current.
5. Portable DC charging machine according to claim 1, which is characterized in that the master board is filled with described first
Power conversion circuit uses CAN bus communication protocol.
6. a kind of DC charging system is applied to electric car characterized by comprising
It is configured as output to the first power supply unit of first via alternating current and the first control guidance signal；
It is electrically connected with first power supply unit, is configured to generate DC charging control signal, and according to first control
The first via alternating current is converted to the Portable DC charging machine of predetermined DC electricity by guidance signal；
It is for controlling signal according to the DC charging that the predetermined DC is electric with the Portable DC charging mechatronics
It is transmitted to the OBD interface of the electric car.
7. DC charging system according to claim 6, which is characterized in that further include:
With Portable DC charging mechatronics, it is configured as output to the second power supply unit of the second road alternating current.
8. DC charging system according to claim 6 or 7, which is characterized in that further include:
With Portable DC charging mechatronics, the third for being configured as output to third road alternating current and the second control guidance signal is supplied
Electric installation.
9. DC charging system according to claim 6, which is characterized in that
First power supply unit is the alternating-current charging pile of 220V/16A~32A；
The predetermined DC electricity is 220V~500V/20A direct current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820547934.0U CN208324915U (en) | 2018-04-16 | 2018-04-16 | Portable DC charging machine and DC charging system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820547934.0U CN208324915U (en) | 2018-04-16 | 2018-04-16 | Portable DC charging machine and DC charging system |
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| CN208324915U true CN208324915U (en) | 2019-01-04 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108512287A (en) * | 2018-04-16 | 2018-09-07 | 深圳市航嘉聚源科技股份有限公司 | Portable DC charging machine, DC charging system and charge control method |
| CN116647018A (en) * | 2023-07-27 | 2023-08-25 | 西安锐泽克斯光电科技有限公司 | Electric automobile charging device with multiple paths of input power plugs |
-
2018
- 2018-04-16 CN CN201820547934.0U patent/CN208324915U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108512287A (en) * | 2018-04-16 | 2018-09-07 | 深圳市航嘉聚源科技股份有限公司 | Portable DC charging machine, DC charging system and charge control method |
| CN116647018A (en) * | 2023-07-27 | 2023-08-25 | 西安锐泽克斯光电科技有限公司 | Electric automobile charging device with multiple paths of input power plugs |
| CN116647018B (en) * | 2023-07-27 | 2023-10-10 | 西安锐泽克斯光电科技有限公司 | Electric automobile charging device with multiple paths of input power plugs |
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Address after: 518000 Area A, Floor 2, Hangjia Industrial Park, Xuexiang Village, Bantian Street, Longgang District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Hangjia Juyuan Technology Co.,Ltd. Address before: 518000 Area A, Floor 2, Hangjia Industrial Park, Xuexiang Village, Bantian Street, Longgang District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN HANGJIAJUYUAN TECHNOLOGY Co.,Ltd. |
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