CN110071550A - A kind of electricity getting device of direct-current charging post - Google Patents
A kind of electricity getting device of direct-current charging post Download PDFInfo
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- CN110071550A CN110071550A CN201910451316.5A CN201910451316A CN110071550A CN 110071550 A CN110071550 A CN 110071550A CN 201910451316 A CN201910451316 A CN 201910451316A CN 110071550 A CN110071550 A CN 110071550A
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- direct current
- current charging
- parameter
- charging pile
- voltage
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- 230000005611 electricity Effects 0.000 title abstract description 4
- 238000004891 communication Methods 0.000 claims abstract description 38
- 238000001514 detection method Methods 0.000 claims abstract description 34
- 238000006243 chemical reaction Methods 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 9
- 239000003990 capacitor Substances 0.000 description 14
- 238000004088 simulation Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000012790 confirmation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/30—Constructional details of charging stations
- B60L53/31—Charging columns specially adapted for electric vehicles
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- H02J7/0027—
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
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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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
This application discloses a kind of electricity getting devices of direct-current charging post, the electricity getting device of the direct-current charging post includes control module and analog power module, wherein, the communication interface of control module can be connect with the communication ends of direct-current charging post, in battery detecting link, by the communication interface to direct-current charging post transfer of virtual battery parameter, and it controls analog power module and is provided and the matched detection parameters of virtual battery parameter to the direct-current charging post, so that the direct-current charging post is thought to be connected to new energy vehicle, direct-current charging post is completed to confirm the connection of new energy vehicle；Hereafter the control module transmits request power parameter to the direct-current charging post, so that the direct-current charging post provides power supply to the load connecting with direct-current charging post by the DC bus connecting pin, the purpose of power supply is provided for the load in addition to new energy vehicle using direct-current charging post to realize.
Description
Technical Field
The application relates to the technical field of new energy vehicles, more specifically says, relates to a direct current fills electric pile's getting electric installation.
Background
Along with the continuous popularization of new energy vehicles, the electric pile that fills that provides the function of charging for new energy vehicles also increases popularizes. Fill electric pile and divide into alternating-current charging stake and direct current and fill electric pile, wherein, direct current fills electric pile because charging power is big, and the charge rate is fast etc. advantage and is favored by more new forms of energy car owners.
After the charging port of the new energy vehicle is connected with the direct current bus of the direct current charging pile, the direct current charging pile can confirm all parameters of the new energy vehicle connected with the direct current charging pile, and after the fact that all parameters are normal is confirmed, the direct current charging pile can output electric energy to charge the new energy vehicle connected with the direct current charging pile. And this kind of working method of direct current stake of charging has decided it can only charge for the new forms of energy vehicle, when other loads that need to charge are connected with the direct current stake of charging, because can't confirm through the parameter of direct current stake of charging, consequently can't obtain the power from the direct current stake of charging, this has restricted direct current to a certain extent and has filled the suitability of stake.
Disclosure of Invention
For solving above-mentioned technical problem, this application provides a direct current fills electric pile get electric installation to the realization utilizes direct current to fill electric pile for the purpose that provides the power except that new forms of energy vehicle load.
In order to achieve the technical purpose, the embodiment of the application provides the following technical scheme:
the utility model provides a direct current fills electric pile get electric installation for utilize direct current to fill electric pile and provide the power for the load, direct current fills electric pile's the electric installation of getting includes: the device comprises a control module and an analog power supply module; the control module comprises a communication interface and a control interface, the communication interface is used for being connected with a communication end of the direct current charging pile, and the control interface is connected with an input end of the analog power supply module;
the output end of the analog power supply module is used for being connected with the direct current bus connecting end of the direct current charging pile;
the control module is used for transmitting virtual battery parameters to the direct current charging pile through the communication interface in a GB/T27930 charging parameter configuration stage, and controlling the analog power supply module to provide detection parameters matched with the virtual battery parameters to the direct current charging pile through the control interface; and the direct current charging pile is used for transmitting a power request parameter to the direct current charging pile through the communication interface in a charging parameter configuration stage of GB/T27930, so that the direct current charging pile provides power to the load through the direct current bus connecting end according to the power request parameter.
Optionally, the control module transmits the virtual battery parameters to the dc charging pile through the communication interface at a charging parameter configuration stage of GB/T27930, and controls the analog power supply module to provide the dc charging pile with the detection parameters matched with the virtual battery parameters through the control interface, specifically for:
in the stage of configuration of charging parameters of GB/T27930, virtual battery parameters are transmitted to the direct current charging pile through the communication interface, and a starting instruction is sent to the analog power supply module, so that the analog power supply module provides detection parameters matched with the virtual battery parameters for the direct current charging pile.
Optionally, the virtual battery parameter is a virtual voltage parameter or includes a virtual voltage parameter and a virtual electric quantity parameter.
Optionally, the virtual battery parameter includes a virtual voltage parameter;
the detection parameter is a detection voltage with a deviation less than or equal to +/-5% V from the virtual voltage parameter.
Optionally, the analog power supply module includes: the device comprises a battery, a control switch unit and a voltage conversion unit; the battery is used for providing a voltage with a preset amplitude;
the control switch unit is used for enabling the battery and the voltage conversion unit to form a passage after receiving the starting instruction;
and the voltage conversion unit is used for carrying out amplitude conversion on the voltage with the preset amplitude after receiving the voltage with the preset amplitude so as to obtain the detection voltage and transmitting the detection voltage to the direct current charging pile.
Optionally, the control switch unit is a relay or other electronic switch.
According to the technical scheme, the power taking device of the direct current charging pile comprises a control module and a simulation power supply module, wherein a communication interface of the control module can be connected with a communication end of the direct current charging pile, virtual battery parameters are transmitted to the direct current charging pile through the communication interface in a battery detection link, and the simulation power supply module is controlled to provide detection parameters matched with the virtual battery parameters for the direct current charging pile, so that the direct current charging pile is considered to be connected with a new energy vehicle, and connection confirmation of the direct current charging pile for the new energy vehicle is completed; and the control module transmits a request power parameter to the direct current charging pile so that the direct current charging pile provides power for a load connected with the direct current charging pile through the direct current bus connecting end, and therefore the purpose of providing power for loads except new energy vehicles by using the direct current charging pile is achieved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a power taking device of a dc charging pile according to an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of an analog power supply module according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of a voltage conversion unit according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The embodiment of the application provides a direct current fills electric pile get electric installation, as shown in fig. 1 for utilize direct current to fill electric pile 30 and provide the power for load 40, direct current fills electric pile 30 gets electric installation and includes: a control module 10 and an analog power supply module 20; wherein,
the control module 10 comprises a communication interface and a control interface, the communication interface is used for being connected with a communication end of the direct current charging pile 30, and the control interface is connected with an input end of the analog power supply module 20;
the output end of the analog power supply module 20 is used for being connected with the direct current bus connecting end of the direct current charging pile 30;
the control module 10 is configured to, at a charging parameter configuration stage of GB/T27930, transmit a virtual battery parameter to the dc charging pile 30 through the communication interface, and control the analog power supply module 20 to provide a detection parameter matched with the virtual battery parameter to the dc charging pile 30 through the control interface; and the power transmission module is used for transmitting a power request parameter to the direct current charging pile 30 through the communication interface in an electric energy transmission link, so that the direct current charging pile 30 provides power to the load 40 through the direct current bus connecting end according to the power request parameter.
It should be noted that the working process of the dc charging post 30 generally includes: in the charging parameter configuration stage and the electric energy transmission link of GB/T27930, after the load 40 is connected with the DC charging pile 30. In the stage of configuring the charging parameters of GB/T27930, when the load 40 is a new energy vehicle, a Battery 21 Management System (BMS) of the new energy vehicle sends a current Battery voltage parameter to the dc charging pile 30, and the dc charging pile 30 confirms whether the voltage parameter sent by the Battery 21 Management System matches (i.e., is the same or almost the same as) an actual voltage parameter of the power Battery 21 of the new energy vehicle, and if the voltage parameter is confirmed by the parameter, enters an electric energy transmission link to provide power to the new energy vehicle.
Since other loads cannot be confirmed by parameters of the dc charging pile 30 in the charging parameter configuration stage of GB/T27930, the charging operation for the loads 40 other than the new energy vehicle by the dc charging pile 30 cannot be performed in the prior art.
In this embodiment, the power taking device of the dc charging pile 30 includes a control module 10 and a simulation power module 20, wherein a communication interface of the control module 10 may be connected to a communication terminal of the dc charging pile 30, and in a charging parameter configuration stage of GB/T27930, virtual battery parameters are transmitted to the dc charging pile 30 through the communication interface, and the simulation power module 20 is controlled to provide detection parameters matching with the virtual battery parameters to the dc charging pile 30, so that the dc charging pile 30 considers that the dc charging pile is connected to a new energy vehicle, and connection confirmation of the dc charging pile 30 to the new energy vehicle is completed; thereafter, the control module 10 transmits a power request parameter to the dc charging pile 30, so that the dc charging pile 30 provides power to the load 40 connected to the dc charging pile 30 through the dc bus connection terminal, thereby achieving the purpose of providing power to the load 40 except for the new energy vehicle by using the dc charging pile 30.
It should be further noted that GB/T27930 refers to "a communication protocol between an off-board conductive charger and a battery management system of an electric vehicle"; correspondingly, the charging parameter configuration stage of GB/T27930 refers to the charging parameter configuration stage specified in a communication protocol between the non-vehicle-mounted conductive charger of the electric vehicle and the battery management system.
On the basis of the above embodiments, in an embodiment of the present application, the control module 10 transmits virtual battery parameters to the dc charging pile 30 through the communication interface at the charging parameter configuration stage of GB/T27930, and controls the analog power supply module 20 to provide detection parameters matched with the virtual battery parameters to the dc charging pile 30 through the control interface,
and transmitting virtual battery parameters to the direct current charging pile 30 through the communication interface, and sending a starting instruction to the simulation power supply module 20, so that the simulation power supply module 20 provides detection parameters matched with the virtual battery parameters to the direct current charging pile 30.
When the communication interface of the control module 10 is connected with the communication terminal of the dc charging pile 30, the dc charging pile 30 sends a handshake signal to the control module 10 through the communication terminal to confirm the connection, and after receiving the handshake signal, the control module 10 transmits a virtual battery parameter to the dc charging pile 30, so that the dc charging pile 30 uses the load 40 connected with the dc charging pile as a new energy vehicle; afterwards, direct current fills electric pile 30 and can carry out the detection of actual battery 21 parameter to judge whether actual battery 21 parameter matches with this virtual battery parameter, only when the virtual battery parameter that actual battery 21 parameter that direct current fills electric pile 30 detection matches with the transmission of control module 10, can confirm through direct current fills the connection of electric pile 30, through battery 21 detection ring border promptly, get into the electric energy transmission link. In this embodiment, a detection parameter matched with the virtual battery parameter is provided to the dc charging pile 30 through the analog power module 20, so that the detection parameter detected by the dc charging pile 30 is matched with the virtual battery parameter provided by the control module 10, and thus, the charging parameter configuration stage is performed through GB/T27930 of the dc charging pile 30.
In one embodiment of the present application, the functionality of the control module 10 may be provided by the ST STM32F405RG chip.
Optionally, the virtual battery parameter is a virtual voltage parameter or includes a virtual voltage parameter and a virtual electric quantity parameter. That is, the virtual battery parameter may be only a virtual voltage parameter, or may include both a virtual voltage parameter and a virtual electric quantity parameter. The present application does not limit this, which is determined by the actual situation.
In one embodiment of this embodiment, the virtual battery parameter includes a virtual voltage parameter;
the detection parameter is a detection voltage with a deviation less than or equal to +/-5% V from the virtual voltage parameter. Namely, the ratio of the absolute value of the difference between the detection parameter and the virtual voltage to the virtual voltage is less than or equal to 5%.
Accordingly, referring to fig. 2, the analog power supply module 20 includes: a battery 21, a control switch unit 22, and a voltage conversion unit 23; wherein,
the battery 21 is used for providing a voltage with a preset amplitude;
the control switch unit 22 is configured to enable the battery 21 and the voltage conversion unit 23 to form a path after receiving the start instruction;
the voltage conversion unit 23 is configured to, after receiving the voltage with the preset amplitude, perform amplitude conversion on the voltage with the preset amplitude to obtain the detection voltage, and transmit the detection voltage to the dc charging pile 30.
Optionally, the control switch unit 22 is a relay or other electronic switch.
Referring to fig. 3, fig. 3 is a schematic circuit structure diagram of a voltage converting unit 23 according to an embodiment of the present disclosure, which includes a fuse F, a first resistor R, a second resistor R, a third resistor R, a fourth resistor R, a fifth resistor R, a sixth resistor R, a seventh resistor R, an eighth resistor R, a ninth resistor R, a tenth resistor R, an eleventh resistor R, a twelfth resistor R, a thirteenth resistor R, a fourteenth resistor R, a fifteenth resistor R, a sixteenth resistor R, a seventeenth resistor R, a first capacitor C, a second capacitor C, a third capacitor C, a fourth capacitor C, a fifth capacitor C, a sixth capacitor C, a seventh capacitor C, an eighth capacitor C, a ninth capacitor C, a tenth capacitor C, an eleventh capacitor C, a twelfth capacitor C, a thirteenth capacitor C, a fourteenth capacitor C, a transformation structure TB-CD, a first diode D, a, A second diode D2, a third diode D3, and a fourth diode D4; the connection end J2 is connected with the control switch unit 22, and the connection end J1 is connected with the direct current bus connection end of the direct current charging pile 30; in addition, the voltage conversion unit 23 further includes a first MOS transistor U1, a second MOS transistor U3, and a first chip U4; the specific connection relationship of the above devices is referred to fig. 3.
The first chip U4 is a power supply chip, and optionally, the power supply chip is of a model ucc28089, the pin VDD of the first chip U4 is used for receiving the operating voltage provided by the battery 21, OUTA and OUTB are respectively used for outputting PWM waves, the GND pin is grounded, the CS pin is used for providing overcurrent protection, and the functions of the CT pin, the SYNC pin and the DIS pin are not valid in the control switch unit 22 in this embodiment.
PWM waves output by OUTA pins and OUTB pins are respectively provided for a first MOS tube U1 and a second MOS tube U2 so as to control a push-pull circuit formed by the first MOS tube U1 and the second MOS tube U2 to work, and chopping signals generated by the push-pull circuit respectively flow through a forward winding and a reverse winding of a primary side of the voltage transformation structure.
In the voltage converting unit 23 shown in fig. 3, when the preset amplitude is 12V, the amplitude of the detection parameter output by the voltage converting unit 23 is 230V.
On the basis of the above embodiment, in a further embodiment of the present application, the requested power supply parameter is a constant voltage power supply parameter.
In this embodiment, in an electric energy transmission link, the power supply request parameter transmitted to the dc charging pile by the control module is a constant voltage power supply parameter, so that the dc charging pile provides a constant voltage power supply for the load.
When the requested power supply parameter is a constant-voltage power supply parameter, the control logic of the control module can be simplified, because when the control module requests the direct-current charging pile to output the constant-current source, various parameters of the load need to be continuously provided, so that the direct-current charging pile controls the output of the direct-current charging pile according to the parameters, and the purpose of outputting the constant-current source is achieved.
However, in other embodiments of the present application, the requested power supply parameter may also be a constant current source power supply parameter, which is not limited in the present application, depending on the actual situation.
In summary, the embodiment of the application provides an electricity taking device for a direct current charging pile, which comprises a control module and a simulation power module, wherein a communication interface of the control module can be connected with a communication end of the direct current charging pile, in a battery detection link, virtual battery parameters are transmitted to the direct current charging pile through the communication interface, and the simulation power module is controlled to provide detection parameters matched with the virtual battery parameters for the direct current charging pile, so that the direct current charging pile is considered to be connected with a new energy vehicle, and connection confirmation of the direct current charging pile for the new energy vehicle is completed; and the control module transmits a request power parameter to the direct current charging pile so that the direct current charging pile provides power for a load connected with the direct current charging pile through the direct current bus connecting end, and therefore the purpose of providing power for loads except new energy vehicles by using the direct current charging pile is achieved.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. The utility model provides a direct current fills electric pile get electric installation for utilize direct current to fill electric pile and provide the power for the load, direct current fills electric pile get electric installation and includes: the device comprises a control module and an analog power supply module; the control module comprises a communication interface and a control interface, the communication interface is used for being connected with a communication end of the direct current charging pile, and the control interface is connected with an input end of the analog power supply module;
the output end of the analog power supply module is used for being connected with the direct current bus connecting end of the direct current charging pile;
the control module is used for transmitting virtual battery parameters to the direct current charging pile through the communication interface in a GB/T27930 charging parameter configuration stage, and controlling the analog power supply module to provide detection parameters matched with the virtual battery parameters to the direct current charging pile through the control interface; and the direct current charging pile is used for transmitting a power request parameter to the direct current charging pile through the communication interface in a charging parameter configuration stage of GB/T27930, so that the direct current charging pile provides power to the load through the direct current bus connecting end according to the power request parameter.
2. The apparatus according to claim 1, wherein the control module transmits virtual battery parameters to the dc charging post through the communication interface in a charging parameter configuration stage of GB/T27930, and controls the analog power supply module to provide the dc charging post with detection parameters matching the virtual battery parameters through the control interface, specifically to:
in the stage of configuration of charging parameters of GB/T27930, virtual battery parameters are transmitted to the direct current charging pile through the communication interface, and a starting instruction is sent to the analog power supply module, so that the analog power supply module provides detection parameters matched with the virtual battery parameters for the direct current charging pile.
3. The apparatus of claim 2, wherein the virtual battery parameter is or comprises a virtual voltage parameter and a virtual charge parameter.
4. The apparatus of claim 3, wherein the virtual battery parameter comprises a virtual voltage parameter;
the detection parameter is a detection voltage with a deviation less than or equal to +/-5% V from the virtual voltage parameter.
5. The apparatus of claim 4, wherein the analog power module comprises: the device comprises a battery, a control switch unit and a voltage conversion unit; the battery is used for providing a voltage with a preset amplitude;
the control switch unit is used for enabling the battery and the voltage conversion unit to form a passage after receiving the starting instruction;
and the voltage conversion unit is used for carrying out amplitude conversion on the voltage with the preset amplitude after receiving the voltage with the preset amplitude so as to obtain the detection voltage and transmitting the detection voltage to the direct current charging pile.
6. The device according to claim 5, characterized in that the control switch unit is a relay or other electronic switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910451316.5A CN110071550A (en) | 2019-05-28 | 2019-05-28 | A kind of electricity getting device of direct-current charging post |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910451316.5A CN110071550A (en) | 2019-05-28 | 2019-05-28 | A kind of electricity getting device of direct-current charging post |
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| CN110071550A true CN110071550A (en) | 2019-07-30 |
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| CN201910451316.5A Pending CN110071550A (en) | 2019-05-28 | 2019-05-28 | A kind of electricity getting device of direct-current charging post |
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Citations (3)
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| CN106300531A (en) * | 2016-08-31 | 2017-01-04 | 西安特锐德智能充电科技有限公司 | A kind of power supply change-over device based on charging pile |
| CN107807290A (en) * | 2017-10-30 | 2018-03-16 | 国网浙江省电力公司电动汽车服务分公司 | Direct-current charging post detecting system and detection method |
| CN109470956A (en) * | 2018-11-12 | 2019-03-15 | 南方电网科学研究院有限责任公司 | Direct current charging pile detection system and method for electric automobile |
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2019
- 2019-05-28 CN CN201910451316.5A patent/CN110071550A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106300531A (en) * | 2016-08-31 | 2017-01-04 | 西安特锐德智能充电科技有限公司 | A kind of power supply change-over device based on charging pile |
| CN107807290A (en) * | 2017-10-30 | 2018-03-16 | 国网浙江省电力公司电动汽车服务分公司 | Direct-current charging post detecting system and detection method |
| CN109470956A (en) * | 2018-11-12 | 2019-03-15 | 南方电网科学研究院有限责任公司 | Direct current charging pile detection system and method for electric automobile |
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