CN113500928A - Method for acquiring vehicle information through alternating current charging pile - Google Patents
Method for acquiring vehicle information through alternating current charging pile Download PDFInfo
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- CN113500928A CN113500928A CN202110585122.1A CN202110585122A CN113500928A CN 113500928 A CN113500928 A CN 113500928A CN 202110585122 A CN202110585122 A CN 202110585122A CN 113500928 A CN113500928 A CN 113500928A
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 230000005540 biological transmission Effects 0.000 claims abstract description 27
- 230000008859 change Effects 0.000 claims abstract description 10
- 238000004891 communication Methods 0.000 claims description 16
- 239000013256 coordination polymer Substances 0.000 claims description 3
- 230000003111 delayed effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001934 delay Effects 0.000 description 1
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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
- B60L53/305—Communication interfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
- B60L53/66—Data transfer between charging stations and vehicles
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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
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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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to a method for acquiring vehicle information by an alternating current charging pile, under the condition that a charging gun of the alternating current charging pile is electrically connected with a vehicle to be charged by a charging wire, the effect of transmitting data by using the voltage amplitude value change is achieved by the alternating current charging pile through the change of the voltage amplitude value output by the charging wire to the vehicle to be charged, then after the alternating current charging pile confirms that the vehicle information fed back by the change of the voltage amplitude value of the vehicle to be charged is received, the data transmission aiming at the vehicle information is carried out between the alternating current charging pile and the vehicle to be charged, thereby realizing that under the condition of not needing to additionally increase a data transmission line, the alternating-current charging stake just can utilize current charging wire of being responsible for electric connection to reach data transmission's purpose between the vehicle that waits to charge, and then makes the alternating-current charging stake acquire the vehicle information of waiting to charge the vehicle.
Description
Technical Field
The invention relates to the field of charging piles, in particular to a method for acquiring vehicle information by an alternating current charging pile.
Background
With the continuous development of electric automobiles, as an infrastructure of the electric automobiles, the charging pile industry is also rapidly developed. When the electric automobile needs to be charged, the charging gun of the charging pile is inserted into the charging interface of the electric automobile, so that the charging operation can be automatically charged and completed. The alternating-current charging pile is an important charging pile responsible for charging the electric automobile.
At present, the interface that charges of alternating-current charging stake on the market does not contain the data communication line, only be provided with the charging wire, during charging, can't carry out data communication between electric automobile and the alternating-current charging stake, lead to the alternating-current charging stake can't obtain electric automobile such as vehicle VIN sign indicating number, vehicle SOC, vehicle information such as fault condition, this will make alternating-current charging stake lead to being difficult to make accurate control to the charging process because of can't learn electric automobile's vehicle information, even lead to alternating-current charging stake's the operation of charging to bring the potential safety hazard for electric automobile.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a method for acquiring vehicle information by an alternating current charging pile aiming at the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows: a method for acquiring vehicle information by an alternating current charging pile is characterized by comprising the following steps:
step 1, establishing electrical connection between a charging gun of an alternating current charging pile and a charging interface of a vehicle to be charged;
step 2, before the alternating current charging pile executes the charging instruction, establishing data communication between the alternating current charging pile and the vehicle to be charged based on the change of the CP voltage amplitude;
and 3, sending a data communication request to the vehicle to be charged by the alternating-current charging pile, and judging whether vehicle information feedback of the vehicle to be charged is received:
when the vehicle information is received, turning to step 4; otherwise, the alternating current charging pile performs conventional charging on the vehicle to be charged;
and 4, performing data transmission aiming at the vehicle information between the alternating current charging pile and the vehicle to be charged.
In step 3, when the vehicle information is not received within a preset time period after the alternating-current charging post sends the data communication request to the vehicle to be charged, the alternating-current charging post performs regular charging on the vehicle to be charged.
Further, in the method for acquiring the vehicle information by the alternating-current charging pile, in step 3, the preset time period is 2 s.
In another improvement, in the method for acquiring the vehicle information by the alternating-current charging pile, when the vehicle to be charged receives the data communication request sent by the alternating-current charging pile and determines to send the vehicle information to the alternating-current charging pile, the vehicle to be charged sends the vehicle information to the alternating-current charging pile in a delayed manner after receiving the data communication request.
Further, in the method for acquiring the vehicle information by the alternating-current charging pile, the delay is 500 ms.
In the method for acquiring the vehicle information by the alternating-current charging pile, in step 4, data transmission for the vehicle information is performed between the alternating-current charging pile and the vehicle to be charged in a byte transmission mode.
And in the method for acquiring the vehicle information by the alternating-current charging pile, when data transmission aiming at the vehicle information is executed between the alternating-current charging pile and the vehicle to be charged, the charging operation of the vehicle to be charged by the alternating-current charging pile is continuously kept.
Further, in the method for acquiring the vehicle information by the alternating-current charging pile, when data transmission is performed between the alternating-current charging pile and the vehicle to be charged, data retransmission is performed twice before and after according to a preset time interval.
Further, in the method for acquiring the vehicle information by the alternating-current charging pile, the preset time interval is greater than 200 ms.
And then, in the method for acquiring the vehicle information by the alternating-current charging pile, when the data transmission time aiming at the vehicle information between the alternating-current charging pile and the vehicle to be charged exceeds the preset time length, stopping the data transmission between the alternating-current charging pile and the vehicle to be charged, and switching the vehicle to be charged into a state to be charged.
Compared with the prior art, the invention has the advantages that: according to the invention, under the condition that the charging gun of the alternating-current charging pile is electrically connected with the vehicle to be charged by using the charging wire, the alternating-current charging pile outputs the change of the voltage amplitude value of the charging wire to the vehicle to be charged so as to achieve the effect of transmitting data by using the change of the voltage amplitude value, and then after the alternating-current charging pile confirms that the vehicle information fed back by the vehicle to be charged by using the change of the voltage amplitude value is received, the data transmission aiming at the vehicle information is executed between the alternating-current charging pile and the vehicle to be charged, so that the purpose of data transmission can be achieved by using the existing charging wire which is in charge of electrical connection between the alternating-current charging pile and the vehicle to be charged without additionally adding a data transmission wire, and the alternating-current charging pile further obtains the vehicle information of the vehicle to be charged.
Drawings
Fig. 1 is a schematic flow chart of a method for acquiring vehicle information by an ac charging pile in an embodiment of the present invention.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
The embodiment provides a method for acquiring vehicle information by an alternating current charging pile. Specifically, referring to fig. 1, the method for acquiring vehicle information by the ac charging pile of the embodiment includes the following steps:
step 1, establishing electrical connection between a charging gun of an alternating current charging pile and a charging interface of a vehicle to be charged; the charging gun is connected with a charging interface of a vehicle to be charged through a charging wire without a data wire;
step 2, before the alternating current charging pile executes the charging instruction, establishing data communication between the alternating current charging pile and the vehicle to be charged based on the change of the CP voltage amplitude; namely, the alternating current charging pile achieves the effect of transmitting information by utilizing the change of the voltage amplitude value of the current transmitted on the charging line by changing the voltage amplitude value output to the vehicle to be charged;
and 3, sending a data communication request to the vehicle to be charged by the alternating-current charging pile, and judging whether vehicle information feedback of the vehicle to be charged is received:
when the vehicle information is received within the preset time period, turning to the step 4; otherwise, the alternating current charging pile performs conventional charging on the vehicle to be charged; wherein the preset time period here is set to 2 s; in the embodiment, when the vehicle to be charged receives a data communication request sent by the alternating-current charging pile and determines to send the vehicle information to the alternating-current charging pile, the vehicle to be charged delays 500ms after receiving the data communication request and then sends the vehicle information to the alternating-current charging pile by using the charging wire; the vehicle information is optionally set as a vehicle VIN code or a vehicle SOC or vehicle internal state information or any combination of the vehicle VIN code, the vehicle SOC and the vehicle internal state information according to requirements;
and 4, performing data transmission aiming at the vehicle information between the alternating current charging pile and the vehicle to be charged in a byte transmission mode. When data transmission aiming at vehicle information is executed between the alternating current charging pile and the vehicle to be charged, the alternating current charging pile continuously keeps the charging operation of the alternating current charging pile on the vehicle to be charged; when the bytes are transmitted according to the bytes, each byte comprises a 1-bit start bit, an 8-bit data bit, a 1-bit check bit and a 1-bit stop bit, 1 bit is transmitted every 1ms, 1 byte is transmitted in 11ms, and the interval between bytes is less than 50 ms;
of course, in the actual vehicle information obtaining process for the vehicle to be charged, in order to ensure that the ac charging pile can receive the vehicle information sent by the vehicle to be charged, in this embodiment, data retransmission is performed twice between the vehicle to be charged and the ac charging pile according to a preset time interval. Wherein the preset time interval between the previous data transmission and the next data transmission for the same information is set to be greater than 200 ms.
In addition, in this embodiment, when the data transmission time for the vehicle information performed between the alternating-current charging pile and the vehicle to be charged exceeds the preset time length, the data transmission between the alternating-current charging pile and the vehicle to be charged is stopped, and the vehicle to be charged shifts to a state to be charged. For example, the preset time period here is set to 2 s.
Although preferred embodiments of the present invention have been described in detail hereinabove, it should be clearly understood that modifications and variations of the present invention are possible to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A method for acquiring vehicle information by an alternating current charging pile is characterized by comprising the following steps:
step 1, establishing electrical connection between a charging gun of an alternating current charging pile and a charging interface of a vehicle to be charged;
step 2, before the alternating current charging pile executes the charging instruction, establishing data communication between the alternating current charging pile and the vehicle to be charged based on the change of the CP voltage amplitude;
and 3, sending a data communication request to the vehicle to be charged by the alternating-current charging pile, and judging whether vehicle information feedback of the vehicle to be charged is received:
when the vehicle information is received, turning to step 4; otherwise, the alternating current charging pile performs conventional charging on the vehicle to be charged;
and 4, performing data transmission aiming at the vehicle information between the alternating current charging pile and the vehicle to be charged.
2. The method of claim 1, wherein in step 3, when the vehicle information is not received within a preset time period after the ac charging post sends the data communication request to the vehicle to be charged, the ac charging post performs regular charging of the vehicle to be charged.
3. The method for acquiring the vehicle information by the alternating-current charging pile according to claim 2, wherein in step 3, the preset time period is 2 s.
4. The method for acquiring the vehicle information by the alternating-current charging pile according to claim 1, wherein when the vehicle to be charged receives the data communication request sent by the alternating-current charging pile and determines to send the vehicle information to the alternating-current charging pile, the vehicle to be charged sends the vehicle information to the alternating-current charging pile in a delayed manner after receiving the data communication request.
5. The method for acquiring the vehicle information by the alternating-current charging pile according to claim 4, wherein the delay is 500 ms.
6. The method for acquiring the vehicle information by the alternating-current charging pile according to any one of claims 1 to 5, wherein in the step 4, data transmission for the vehicle information is performed between the alternating-current charging pile and the vehicle to be charged according to a byte transmission mode.
7. The method for the alternating-current charging pile to acquire the vehicle information according to any one of claims 1 to 5, wherein when data transmission aiming at the vehicle information is performed between the alternating-current charging pile and the vehicle to be charged, the charging operation of the alternating-current charging pile on the vehicle to be charged is continuously maintained.
8. The method for the alternating-current charging pile to acquire the vehicle information according to any one of claims 1 to 5, wherein when the alternating-current charging pile and the vehicle to be charged perform data transmission, data retransmission is performed twice before and after according to a preset time interval.
9. The method for acquiring vehicle information by an alternating-current charging pile according to claim 8, wherein the preset time interval is greater than 200 ms.
10. The method for the alternating-current charging pile to acquire the vehicle information according to any one of claims 1 to 5, wherein data transmission between the alternating-current charging pile and the vehicle to be charged is stopped when data transmission time for the vehicle information exceeds a preset time length, and the vehicle to be charged is shifted to a state to be charged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110585122.1A CN113500928A (en) | 2021-05-27 | 2021-05-27 | Method for acquiring vehicle information through alternating current charging pile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110585122.1A CN113500928A (en) | 2021-05-27 | 2021-05-27 | Method for acquiring vehicle information through alternating current charging pile |
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| CN113500928A true CN113500928A (en) | 2021-10-15 |
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| CN202110585122.1A Pending CN113500928A (en) | 2021-05-27 | 2021-05-27 | Method for acquiring vehicle information through alternating current charging pile |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106740190A (en) * | 2016-12-06 | 2017-05-31 | 广州市凝智科技有限公司 | A kind of personal identification method of charging electric vehicle |
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| CN110182085A (en) * | 2019-06-12 | 2019-08-30 | 深圳驿普乐氏科技有限公司 | A kind of charging pile of noninductive identification and its control method of authorization charging |
| CN110875731A (en) * | 2018-08-30 | 2020-03-10 | 北汽福田汽车股份有限公司 | Vehicle charging method and device, vehicle and charging pile |
| CN111319506A (en) * | 2019-12-31 | 2020-06-23 | 国网智慧能源交通技术创新中心(苏州)有限公司 | Vehicle identity recognition method for electric vehicle alternating current charging pile |
-
2021
- 2021-05-27 CN CN202110585122.1A patent/CN113500928A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106740190A (en) * | 2016-12-06 | 2017-05-31 | 广州市凝智科技有限公司 | A kind of personal identification method of charging electric vehicle |
| CN110875731A (en) * | 2018-08-30 | 2020-03-10 | 北汽福田汽车股份有限公司 | Vehicle charging method and device, vehicle and charging pile |
| CN110143153A (en) * | 2019-04-18 | 2019-08-20 | 上海电享信息科技有限公司 | A kind of information interacting method and system of vehicle and alternating-current charging pile |
| CN110182085A (en) * | 2019-06-12 | 2019-08-30 | 深圳驿普乐氏科技有限公司 | A kind of charging pile of noninductive identification and its control method of authorization charging |
| CN111319506A (en) * | 2019-12-31 | 2020-06-23 | 国网智慧能源交通技术创新中心(苏州)有限公司 | Vehicle identity recognition method for electric vehicle alternating current charging pile |
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Application publication date: 20211015 |
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