CN211592274U - Alternating current-direct current conversion device and electric automobile - Google Patents
Alternating current-direct current conversion device and electric automobile Download PDFInfo
- Publication number
- CN211592274U CN211592274U CN202020205848.9U CN202020205848U CN211592274U CN 211592274 U CN211592274 U CN 211592274U CN 202020205848 U CN202020205848 U CN 202020205848U CN 211592274 U CN211592274 U CN 211592274U
- Authority
- CN
- China
- Prior art keywords
- terminal
- charging
- current
- direct
- vehicle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 32
- 238000007599 discharging Methods 0.000 claims abstract description 19
- 238000012790 confirmation Methods 0.000 claims abstract description 16
- 239000013256 coordination polymer Substances 0.000 claims abstract description 11
- 230000007935 neutral effect Effects 0.000 claims abstract description 6
- 238000004891 communication Methods 0.000 claims description 6
- 230000006978 adaptation Effects 0.000 abstract description 5
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
Images
Classifications
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
-
- 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
Landscapes
- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model provides an alternating current-direct current conversion equipment and electric automobile relates to electric automobile technical field. The alternating current-direct current conversion device comprises a phase line L end, a neutral line N end, a first protection grounding PE _1 end, a charging connection confirmation CC end and a control guidance CP end, wherein the phase line L end, the neutral line N end, the first protection grounding PE _1 end, the charging connection confirmation CC end and the control guidance CP end are used for connecting an alternating current charging and discharging line or an alternating current slow charging; the direct-current power supply positive DC plus terminal, the direct-current power supply negative DC minus terminal, the second protection grounding PE _2 terminal, the vehicle-end charging connection confirmation CC2 terminal, the pile-end connection confirmation CC1 terminal, the low-voltage auxiliary power supply positive A plus terminal and the low-voltage auxiliary power supply negative A minus terminal are used for connecting the direct-current quick charging interface or the direct-current charging and discharging wire; wherein, the PE _1 end is connected with the PE _2 end through a first connecting line; and the CC end is connected with the CC2 end through a second connecting line. The utility model discloses an this scheme adaptation possesses the electric automobile who realizes the direct current car through the AC/DC mouth and to the car function of charging, has improved charge efficiency.
Description
Technical Field
The utility model relates to an electric automobile technical field, in particular to alternating current-direct current conversion equipment and electric automobile.
Background
The charging modes of the electric vehicles on the market at present mainly include: alternating current slow charging, namely slow charging for short, alternating current of a power grid is converted into direct current through a vehicle alternating current slow charging port by a vehicle-mounted charger to charge a power battery of the whole vehicle, and the charging power is low and the charging time is long; the direct current quick charging, called quick charging for short, uses a non-vehicle-mounted charger, namely a direct current quick charging pile to convert alternating current of a power grid into direct current, and then directly charges a power battery of a finished automobile in high power through a vehicle direct current quick charging interface, so that the charging speed is high.
Due to successful research and development and industrialized popularization and application of the bidirectional vehicle-mounted charger, the energy of the power battery can be transferred out through the vehicle alternating-current slow charging port, and vehicle-to-vehicle charging is realized, namely, the third mode is an electric vehicle charging mode. The energy needs to pass through two vehicle-mounted chargers and two alternating current slow charging ports from a discharging vehicle power battery to a charged vehicle power battery in the alternating current vehicle-to-vehicle charging process, the full power charging efficiency of the vehicle-mounted chargers on the current market is about 94% on average, the vehicle-to-vehicle charging can cause a great reduction in the charging efficiency after passing through the two vehicle-mounted chargers, namely the actual vehicle-to-vehicle charging efficiency is only about 94% multiplied by 94% or 88%, the existing third electric vehicle charging mode needs to be optimized, alternating current is converted into direct current, the direct current input is realized, and the charging efficiency is improved.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides an alternating current-direct current conversion equipment and electric automobile for solve current alternating current car and to car charge mode's charge efficiency low and the adaptation possesses the electric automobile's that realizes the direct current car to the car function of charging through the AC/DC mouth problem.
In order to solve the technical problem, an embodiment of the utility model provides a following technical scheme:
an ac-dc conversion device comprising:
the phase line L end, the neutral line N end, the first protection grounding PE _1 end, the charging connection confirmation CC end and the control guidance CP end are used for connecting an alternating current charging and discharging line or an alternating current slow charging port;
the direct-current power supply positive DC plus terminal, the direct-current power supply negative DC minus terminal, the second protection grounding PE _2 terminal, the vehicle-end charging connection confirmation CC2 terminal, the pile-end connection confirmation CC1 terminal, the low-voltage auxiliary power supply positive A plus terminal and the low-voltage auxiliary power supply negative A minus terminal are used for connecting the direct-current quick charging interface or the direct-current charging and discharging gun wire;
the PE _1 end and the PE _2 end are connected through a first connecting line;
the CC end is connected with the CC2 end through a second connecting line;
the CP terminal and the CC1 terminal, the L terminal and the DC + terminal, and the N terminal and the DC-terminal are respectively connected through connecting wires.
Optionally, the ac-dc conversion device further includes:
and the charging communication high FCAN _ H end and the charging communication low FCAN _ L end are used for connecting the direct current quick charging interface.
Optionally, the a + end and the a-end are connected with an electromagnetic lock.
Optionally, a resistor is connected between the first connection line and the second connection line.
The utility model also provides an electric automobile, fill port and direct current fast including exchanging slowly and fill the interface, still include as above AC/DC conversion equipment, AC/DC conversion equipment with the port connection is filled slowly to the exchange, perhaps with the direct current fills interface connection soon.
Optionally, the electric vehicle further comprises: the vehicle-mounted charger is connected with the alternating current slow charging port and the power battery respectively, and a first switch unit is connected between the power battery and the direct current fast charging port.
Optionally, the electric vehicle further comprises: a vehicle control unit VCU and a battery management system BMS connected with the direct current quick charging interface.
The utility model has the advantages that:
in the above-mentioned scheme, this alternating current-direct current conversion equipment includes: the phase line L end, the neutral line N end, the first protection grounding PE _1 end, the charging connection confirmation CC end and the control guidance CP end are used for connecting an alternating current charging and discharging line or an alternating current slow charging port; the direct-current power supply positive DC plus terminal, the direct-current power supply negative DC minus terminal, the second protection grounding PE _2 terminal, the vehicle-end charging connection confirmation CC2 terminal, the pile-end connection confirmation CC1 terminal, the low-voltage auxiliary power supply positive A plus terminal and the low-voltage auxiliary power supply negative A minus terminal are used for connecting the direct-current quick charging interface or the direct-current charging and discharging wire; the PE _1 end and the PE _2 end are connected through a first connecting line; the CC end is connected with the CC2 end through a second connecting line; the CP terminal and the CC1 terminal, the L terminal and the DC + terminal, and the N terminal and the DC-are respectively connected through connecting wires. The utility model discloses a scheme alternating current-direct current conversion equipment one end is connected to current general interchange and fills the discharge wire, and the other end is connected to the direct current and fills the interface soon, converts alternating current into direct current, realizes that the direct current car charges to the car, and the electric quantity of the vehicle power battery that discharges promptly fills the port through on-vehicle machine of charging and alternating current slowly, connects the direct current that is filled the vehicle and fills the interface soon for being filled the vehicle and charge, has solved the problem that the alternating current car is to car charge inefficiency among the prior art.
Drawings
Fig. 1 is a schematic diagram illustrating a structural connection of an ac/dc conversion device according to an embodiment of the present invention;
fig. 2 shows the vehicle connection charging schematic diagram of the embodiment of the present invention, which realizes vehicle-to-vehicle charging through the ac/dc port.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model discloses alternating current car possesses the problem that realizes the electric automobile of direct current car to the car function of charging through the AC/DC mouth to car charging mode charge efficiency low and adaptation among the prior art, provides an alternating current-direct current conversion equipment and electric automobile.
As shown in fig. 1, an embodiment of the present invention provides an ac/dc conversion device, including:
an ac-dc conversion device, comprising:
the phase line L end, the neutral line N end, the first protection grounding PE _1 end, the charging connection confirmation CC end and the control guidance CP end are used for connecting an alternating current charging and discharging line or an alternating current slow charging port;
the direct-current power supply positive DC plus terminal, the direct-current power supply negative DC minus terminal, the second protection grounding PE _2 terminal, the vehicle-end charging connection confirmation CC2 terminal, the pile-end connection confirmation CC1 terminal, the low-voltage auxiliary power supply positive A plus terminal and the low-voltage auxiliary power supply negative A minus terminal are used for connecting the direct-current quick charging interface or the direct-current charging and discharging wire;
the PE _1 end and the PE _2 end are connected through a first connecting line;
the CC end is connected with the CC2 end through a second connecting line;
the CP terminal and the CC1 terminal, the L terminal and the DC + terminal, and the N terminal and the DC-terminal are respectively connected through connecting wires.
The utility model discloses an in this embodiment, alternating current-direct current conversion equipment one end is connected to current general interchange and fills the discharge wire, and the other end is connected to the direct current of vehicle and fills the interface soon, has the electric automobile of alternating current-direct current car to the car function of charging for the adaptation, and the mouth that charges through the electric automobile alternating current-direct current realizes that the direct current car charges to the car, and the electric quantity of the vehicle power battery that discharges promptly fills the port through exchanging slowly, connects the direct current that is filled the vehicle and fills the interface soon and charge for being filled the vehicle.
One end of the AC-DC conversion device can be used for connecting an AC charging and discharging line, and the other end of the AC-DC conversion device can be used for connecting a DC quick charging interface; or one end can be used for connecting the alternating current slow charging port, the other end can be used for connecting the direct current charging and discharging line, and the vehicle charging and discharging line can be adapted according to a specific vehicle.
Further, the ac/dc conversion device further includes:
and the charging communication high FCAN _ H end and the charging communication low FCAN _ L end are used for connecting the direct current quick charging interface.
Furthermore, the A + end and the A-end are connected with an electromagnetic lock.
Specifically, a resistor is connected between the first connecting line and the second connecting line.
The utility model discloses an in this embodiment, through AC/DC conversion device, the CC2 signal of the multiplexing quick charge of CC signal of slowly filling, the CC1 signal of the multiplexing quick charge of CP signal of slowly filling, the electromagnetic lock drive carries out the electromagnetic lock drive through the A + and the A-signal of quickly filling, and the DC of the multiplexing quick charge of L phase line, N central line of slowly filling +, DC-, wherein resistance selectable is 1k omega.
An embodiment of the utility model provides an electric automobile is still provided, fill port and direct current fast including the alternating current and fill the interface, its characterized in that, still include as above alternating current and direct current conversion equipment, alternating current and direct current conversion equipment with the alternating current fills the port connection slowly, perhaps with the direct current fills interface connection soon.
Specifically, the electric vehicle further includes: the vehicle-mounted charger is connected with the alternating current slow charging port and the power battery respectively, and a first switch unit is connected between the power battery and the direct current fast charging port.
Further, the electric vehicle further includes: a vehicle control unit VCU and a battery management system BMS connected with the direct current quick charging interface.
In the embodiment of the utility model, the electric automobile is adapted to the AC/DC conversion device, when the electric automobile charges the automobile by the DC automobile, the energy flow direction is shown in fig. 2, the VCU of the discharging vehicle recognizes the gun head resistance value of the alternating current charging and discharging line of the alternating current port, when the resistance value of the gun head is a preset resistance value, the VCU detects a discharge switch signal, when the discharge switch signal is counted once, the VCU sends a charging instruction of the direct current vehicle to the vehicle, the first switch unit is in a disconnected state, the first switch unit is a vehicle quick-charging relay, the BMS responds and sends a vehicle-to-vehicle charging command of the direct-current vehicle to the vehicle-mounted charger, the vehicle-mounted charger outputs alternating current of the power battery to an alternating-current charging and discharging line through an alternating-current slow-charging port, the alternating current is converted into direct current through the alternating-current/direct-current conversion device, and the direct current is input to a direct-current quick-charging interface of the charged vehicle to charge the power battery of the charged vehicle.
When the VCU of the charged vehicle recognizes that the resistance value of the direct-current quick-charging interface is a preset resistance value, the VCU detects a discharging switch signal, when the discharging switch signal is not detected, the VCU controls the BMS to carry out direct-current quick-charging protocol interaction through the quick-charging CAN, when the interaction information with the quick-charging pile is not recognized, the VCU controls a whole vehicle quick-charging relay connected between the power battery and the direct-current quick-charging interface to be in a closed state, and sends a direct-current vehicle-to-vehicle charging instruction, and the power battery carries out direct-current charging.
The utility model discloses an electric automobile, can realize slowly filling and multiplexing of fast signal of filling through AC/DC conversion device to realize that the direct current car charges the car, promote charging efficiency; possess simultaneously for the adaptation and charge the mouth through the alternating current-direct current and realize the vehicle that the direct current car charges the function to the car, the utility model discloses a this exchanges direct current conversion equipment and compares in the charging wire of this function of new development, and design and development cost are low, and convenient to carry has better compatibility.
The foregoing is directed to the preferred embodiments of the present invention, and it will be understood by those skilled in the art that various changes and modifications may be made without departing from the principles of the invention, and that such changes and modifications are intended to be included within the scope of the invention.
Claims (7)
1. An ac-dc conversion device, comprising:
the phase line L end, the neutral line N end, the first protection grounding PE _1 end, the charging connection confirmation CC end and the control guidance CP end are used for connecting an alternating current charging and discharging line or an alternating current slow charging port;
the direct-current power supply positive DC plus terminal, the direct-current power supply negative DC minus terminal, the second protection grounding PE _2 terminal, the vehicle-end charging connection confirmation CC2 terminal, the pile-end connection confirmation CC1 terminal, the low-voltage auxiliary power supply positive A plus terminal and the low-voltage auxiliary power supply negative A minus terminal are used for connecting the direct-current quick charging interface or the direct-current charging and discharging wire;
the PE _1 end and the PE _2 end are connected through a first connecting line;
the CC end is connected with the CC2 end through a second connecting line;
the CP terminal and the CC1 terminal, the L terminal and the DC + terminal, and the N terminal and the DC-terminal are respectively connected through connecting wires.
2. The ac-dc conversion device according to claim 1, further comprising:
and the charging communication high FCAN _ H end and the charging communication low FCAN _ L end are used for connecting the direct current quick charging interface.
3. The ac-dc conversion device according to claim 1, wherein the a + terminal and the a-terminal are connected with an electromagnetic lock.
4. The ac-dc converter according to claim 1, wherein a resistor is connected between said first connection line and said second connection line.
5. An electric vehicle comprising an ac slow charging port and a dc fast charging interface, further comprising the ac-dc conversion device according to any one of claims 1 to 4, wherein the ac-dc conversion device is connected to the ac slow charging port or the dc fast charging interface.
6. The electric vehicle of claim 5, further comprising: the vehicle-mounted charger is connected with the alternating current slow charging port and the power battery respectively, and a first switch unit is connected between the power battery and the direct current fast charging port.
7. The electric vehicle of claim 5, further comprising: a vehicle control unit VCU and a battery management system BMS connected with the direct current quick charging interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020205848.9U CN211592274U (en) | 2020-02-25 | 2020-02-25 | Alternating current-direct current conversion device and electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020205848.9U CN211592274U (en) | 2020-02-25 | 2020-02-25 | Alternating current-direct current conversion device and electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211592274U true CN211592274U (en) | 2020-09-29 |
Family
ID=72581480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020205848.9U Active CN211592274U (en) | 2020-02-25 | 2020-02-25 | Alternating current-direct current conversion device and electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211592274U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114678746A (en) * | 2021-09-15 | 2022-06-28 | 北京新能源汽车股份有限公司 | Charging conversion device, charging control method and device and electric vehicle |
| WO2022160544A1 (en) * | 2021-01-29 | 2022-08-04 | 深圳威迈斯新能源股份有限公司 | V2v fast charging system for vehicle-mounted charger and control method therefor |
-
2020
- 2020-02-25 CN CN202020205848.9U patent/CN211592274U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022160544A1 (en) * | 2021-01-29 | 2022-08-04 | 深圳威迈斯新能源股份有限公司 | V2v fast charging system for vehicle-mounted charger and control method therefor |
| CN114678746A (en) * | 2021-09-15 | 2022-06-28 | 北京新能源汽车股份有限公司 | Charging conversion device, charging control method and device and electric vehicle |
| CN114678746B (en) * | 2021-09-15 | 2024-04-26 | 北京新能源汽车股份有限公司 | Charging conversion device, charging control method and device and electric automobile |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2800232B1 (en) | Electric automobile and charging system for the electric automobile | |
| CN102470776B (en) | Universal charging device | |
| KR101867190B1 (en) | Vehicle mutual-charging system and charging connector | |
| CN105247754B (en) | Vehicle | |
| CN109733249B (en) | New energy automobile charging system and control method thereof | |
| CN103187764A (en) | Electric automobile, power system and motor controller used for electric automobile | |
| US20180015834A1 (en) | Fast charging home system for an electric vehicle | |
| CN211592274U (en) | Alternating current-direct current conversion device and electric automobile | |
| CN108454440A (en) | A kind of device and method of vehicle-to-vehicle charging | |
| CN207670270U (en) | Accumulation power supply system and accumulation power supply vehicle | |
| CN105365595A (en) | Power battery and super capacitor power system for electric vehicle and controlling method | |
| CN105281385A (en) | Electric automobile AC-DC charging system and electric automobile AC-DC charging method | |
| CN113335095B (en) | Vehicle-mounted fast and slow charging integrated charging system and method for low-voltage platform electric vehicle | |
| CN203984046U (en) | Electric automobile alternating current-direct current charging system and automobile group charging system | |
| CN110370962B (en) | Vehicle-mounted charging system and automobile | |
| CN110745022A (en) | A multi-functional controller and new energy automobile for new energy automobile | |
| CN204030698U (en) | A kind of concentrated parking lot chamber type charging station and system of many charging inlets compatibility | |
| CN113381460A (en) | Charging control method and device and electric automobile | |
| CN113381459B (en) | Charging control method and device and electric automobile | |
| CN109532884A (en) | A kind of electric locomotive onboard power system | |
| CN207374142U (en) | The charging system of electric vehicle | |
| CN101531142A (en) | Regenerative charging device of electric bicycle | |
| CN114043896A (en) | Charging pile and charging and discharging control circuit and method thereof | |
| CN209305378U (en) | Electric car and open winding electric car driving and charging system | |
| CN202004476U (en) | Electric interface device between electric vehicle and AC power supply device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |