CN105914816A - Charging pile system based on LoRa internet of things - Google Patents
Charging pile system based on LoRa internet of things Download PDFInfo
- Publication number
- CN105914816A CN105914816A CN201610262941.1A CN201610262941A CN105914816A CN 105914816 A CN105914816 A CN 105914816A CN 201610262941 A CN201610262941 A CN 201610262941A CN 105914816 A CN105914816 A CN 105914816A
- Authority
- CN
- China
- Prior art keywords
- module
- lora
- charging pile
- things
- charging
- 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.)
- Pending
Links
- QVFWZNCVPCJQOP-UHFFFAOYSA-N chloralodol Chemical compound CC(O)(C)CC(C)OC(O)C(Cl)(Cl)Cl QVFWZNCVPCJQOP-UHFFFAOYSA-N 0.000 title claims abstract description 64
- 238000012544 monitoring process Methods 0.000 claims abstract description 13
- 238000004891 communication Methods 0.000 claims description 15
- 230000001681 protective effect Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006855 networking Effects 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 238000013523 data management Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Classifications
-
- H02J7/0027—
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
- H04L67/125—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks involving control of end-device applications over a network
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Computing Systems (AREA)
- General Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a charging pile system based on a LoRa internet of things. A heartbeat message is transmitted to each charging pile through a LoRa internet of things base station, and the charging piles receive the heartbeat message through a LoRa module so that whether the charging piles are in the online state is determined in turn; and the charging piles periodically transmit data messages to the LoRa internet of things base station through the LoRa module and forward the data messages to a public network cloud side through the LoRa internet of things base station so that real-time monitoring is facilitated.
Description
Technical field
The present invention relates to electric automobile charging pile technical field, be specifically related to a kind of charging pile system based on LoRa Internet of Things.
Background technology
Electric automobile charging pile is the power station of electric automobile, and it is functionally similar to the fuel charger inside gas station, and each charging pile is both provided with charging plug, and charging pile can be according to the electric motor car charging that different electric pressures is various model；Electric automobile charging pile uses AC and DC power supply mode, needs special recharged card to swipe the card use, and charging pile display screen can show the data such as charge volume, expense, charging interval；The human-computer interaction interface of alternating-current charging pile uses giant-screen LCD color touch screen, charge rotatable determine electricity, fix time, deposit volume, pattern in automatic (till Chong Maning) four；The working volts alternating current of charging pile is 220V or 380V, and the common fully charged needs of pure electric sedan charging pile 4 to 5 hours, charging pile is cheap, is mostly installed at parking lot, and alternating-current charging pile is applicable to trickle charge electrokinetic cell.
Nowadays, under new forms of energy policy support, China's new-energy automobile demand sharply increases, and increases the demand of charging pile the most rapidly；Stake discrete stake two kind outer with station in electric automobile charging pile is divided into charging station at present, outer discrete charging pile of especially standing, geographic layout is disperseed, large number of；Existing many charging piles do not have communication function, it is impossible to real-time monitoring equipment state, belong to " staying " stake, independent stake；Part charging pile then uses the communication mode of independent GPRS or independent Ethernet, and not only cost compares public security, and maintenance is big.
Summary of the invention
The invention aims to provide a kind of low cost, low-power consumption to realize charging pile communication function and the wide charging pile based on LoRa Internet of Things of coverage distance.
The present invention is achieved through the following technical solutions: a kind of charging pile system based on LoRa Internet of Things, including LoRa Internet of Things base station, public network high in the clouds, some charging piles, LoRa module, described LoRa Internet of Things base station is connected with each other with public network high in the clouds, described LoRa module is also provided in charging pile, and described LoRa Internet of Things base station is connected with some charging piles respectively also by being arranged at the LoRa module served as in stake；Described charging pile also includes human-machine interface module, charging output interface, protection module, kernel control module, monitoring indicating module, main loop of power circuit module, power input interface；Described kernel control module is connected with protection module, monitoring indicating module and main loop of power circuit module respectively; described main loop of power circuit module is also connected with protection module and monitoring indicating module, and described main loop of power circuit module is also respectively connected with power input interface and charging output interface；Described kernel control module is also connected with human-machine interface module, and described kernel control module is connected with charging output interface also by CAN with human-machine interface module, and described kernel control module is connected also by UART with LoRa module；Described kernel control module is connected also by SPI with described LoRa module；Described LoRa module includes cpu chip and wireless communication module；Described cpu chip is SX1278 chip；Described protection module includes lightning protection device and earth leakage protective device, protects for major loop.
The present invention sends heartbeat message by LoRa Internet of Things base station toward each charging pile, and charging pile then accepts heartbeat message by LoRa module, confirms whether charging pile is in networking state successively；Charging pile periodically sends datagram to LoRa Internet of Things base station by LoRa module and is forwarded to public network high in the clouds to facilitate monitoring in real time by LoRa Internet of Things base station.
The invention have benefit that: 1) realize the communication function of all charging piles in LoRa Internet of Things base station range；2) without using independent GPRS or independent ethernet communication, low cost, low-power consumption, and without cable designs；3) LoRa module uses TM modulation technique, it is ensured that coverage distance is wide.
Accompanying drawing explanation
Fig. 1 is the frame diagram of the present invention.
Fig. 2 is the charging pile schematic diagram of the present invention.
Fig. 3 is the schematic diagram of data message of the present invention.
Fig. 4 is the schematic diagram of bursty data message of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawings with detailed description of the invention, the invention will be further described.
See Fig. 1 to Fig. 4, a kind of charging pile system based on LoRa Internet of Things, including LoRa Internet of Things base station, public network high in the clouds, some charging piles, LoRa module, described LoRa Internet of Things base station is connected with each other with public network high in the clouds, described LoRa module is also provided in charging pile, and described LoRa Internet of Things base station is connected with some charging piles respectively also by being arranged at the LoRa module served as in stake；Described charging pile also includes human-machine interface module, charging output interface, protection module, kernel control module, monitoring indicating module, main loop of power circuit module, power input interface；Described kernel control module is connected with protection module, monitoring indicating module and main loop of power circuit module respectively; described main loop of power circuit module is also connected with protection module and monitoring indicating module, and described main loop of power circuit module is also respectively connected with power input interface and charging output interface；Described kernel control module is also connected with human-machine interface module, and described kernel control module is connected with charging output interface also by CAN with human-machine interface module, and described kernel control module is connected also by UART with LoRa module；Described kernel control module is connected also by SPI with described LoRa module；Described LoRa module includes cpu chip and wireless communication module；Described cpu chip is SX1278 chip；Described protection module includes lightning protection device and earth leakage protective device, protects for major loop.
In present embodiment, described power input interface is the input of power supply, is mainly made up of binding post and bronze medal；Described main loop of power circuit module is the main loop of power circuit that charges, and is mainly made up of catalyst, fuse for alternating-current charging pile, and for direct-current charging post, is mainly made up of AC/DC transducer, catalyst, fuse；Described protection module realizes major loop protection, is mainly made up of lightning protection device and earth leakage protective device；The functions such as described kernel control module realizes the data management of charging pile, BMS communication, metering, are responsible for processing the information of packing comunication area charging pile, and main body is circuit board；Described monitoring indicating module realizes the current/voltage detection of charging pile charge circuit, mainly has transformer to constitute；Described human-machine interface module provides man-machine interface, shows charge information, is mainly made up of liquid crystal panel and keyboard, card reader etc.；Described LoRa module realizes the information interactive function with LoRa Internet of Things base station, is mainly made up of SX1278 radio-frequency communication module.
In present embodiment, the LoRa module in charging pile, is with SX1278 chip as core, uses the wireless communication module of the long-range spread spectrum of LoRa；The theoretical communication distance of module is up to 5 kilometers, up to the communication distance of 2-3 kilometer in actual cities；137Mhz-525Mhz is optional for its communication frequency, and aerial speed is up to 300Kbps, the reception electric current 10-12mA, receiving sensitivity-139dB of each module；Charging pile used by the range of all configures LoRa module, and module itself, by charging pile circuit in-line power, carries out UART or SPI communication with core CPU, and load forwards packet.
In present embodiment, the timing of LoRa Internet of Things base station sends heartbeat message toward each charging pile, and each charging pile receives heartbeat message by LoRa module, confirms whether this stake is in networking state with this；Charging pile is periodically sent datagram by LoRa module, after LoRa Internet of Things base station receives these messages, organizes and is transmitted to public network far-end.User checks the ruuning situation of charging pile from public network；Having emergency case at charging pile, at once send bursty data message by LoRa module toward LoRa Internet of Things base station, LoRa Internet of Things base station is sent to public network high in the clouds after analyzing message, puts main website backstage or staff on record, accomplish quickly to respond emergency case.
In present embodiment, described data message is including at least the information in Fig. 3；Described bursty data message is including at least the information in Fig. 4.
Protection scope of the present invention includes but not limited to that embodiment of above, protection scope of the present invention are as the criterion with claims, replacement that any those skilled in the art making this technology is readily apparent that, deforms, improves and each fall within protection scope of the present invention.
Claims (6)
1. a charging pile system based on LoRa Internet of Things, it is characterized in that: include LoRa Internet of Things base station, public network high in the clouds, some charging piles, LoRa module, described LoRa Internet of Things base station is connected with each other with public network high in the clouds, described LoRa module is also provided in charging pile, and described LoRa Internet of Things base station is connected with some charging piles respectively also by being arranged at the LoRa module served as in stake.
A kind of charging pile system based on LoRa Internet of Things the most according to claim 1, it is characterised in that: described charging pile also includes human-machine interface module, charging output interface, protection module, kernel control module, monitoring indicating module, main loop of power circuit module, power input interface；Described kernel control module is connected with protection module, monitoring indicating module and main loop of power circuit module respectively; described main loop of power circuit module is also connected with protection module and monitoring indicating module, and described main loop of power circuit module is also respectively connected with power input interface and charging output interface；Described kernel control module is also connected with human-machine interface module, and described kernel control module is connected with charging output interface also by CAN with human-machine interface module, and described kernel control module is connected also by UART with LoRa module.
A kind of charging pile system based on LoRa Internet of Things the most according to claim 2, it is characterised in that: described kernel control module is connected also by SPI with described LoRa module.
A kind of charging pile system based on LoRa Internet of Things the most according to claim 2, it is characterised in that: described LoRa module includes cpu chip and wireless communication module.
A kind of charging pile system based on LoRa Internet of Things the most according to claim 4, it is characterised in that: described cpu chip is SX1278 chip.
A kind of charging pile system based on LoRa Internet of Things the most according to claim 2, it is characterised in that: described protection module includes lightning protection device and earth leakage protective device, protects for major loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610262941.1A CN105914816A (en) | 2016-04-26 | 2016-04-26 | Charging pile system based on LoRa internet of things |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610262941.1A CN105914816A (en) | 2016-04-26 | 2016-04-26 | Charging pile system based on LoRa internet of things |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105914816A true CN105914816A (en) | 2016-08-31 |
Family
ID=56751960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610262941.1A Pending CN105914816A (en) | 2016-04-26 | 2016-04-26 | Charging pile system based on LoRa internet of things |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105914816A (en) |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106413058A (en) * | 2016-10-10 | 2017-02-15 | 山东萝卜电子科技有限公司 | Radio low-power consumption transmission module applied to TMS trap wireless detection system |
| CN106506626A (en) * | 2016-10-26 | 2017-03-15 | 珠海小可乐科技有限公司 | Electric automobile charging pile and the data communications method and device of server |
| CN106713413A (en) * | 2016-11-15 | 2017-05-24 | 云南佳海网络科技有限责任公司 | Residential area monitoring system based on Internet of things |
| CN107071931A (en) * | 2017-05-04 | 2017-08-18 | 国动物联网技术（上海）有限公司 | A kind of NB IoT base stations based on communication chip |
| CN107195104A (en) * | 2017-06-07 | 2017-09-22 | 长兴天越新能源科技有限公司 | The shared power supply stake system of three road electric bicycles |
| CN107255957A (en) * | 2017-06-07 | 2017-10-17 | 浙江工业大学 | A kind of charging pile system with electricity quantity control function communicated based on LoRa |
| CN107274563A (en) * | 2017-06-07 | 2017-10-20 | 李兵 | Charging pile with the preposition arbitration functions of disbursement and sattlement |
| CN107316390A (en) * | 2017-06-07 | 2017-11-03 | 浙江工商大学 | A kind of charging application method of the charging pile system accurately paid |
| CN107341926A (en) * | 2017-06-07 | 2017-11-10 | 浙江工商大学 | A kind of charging application method with control function of power charging pile system |
| CN107458241A (en) * | 2017-06-07 | 2017-12-12 | 浙江工业大学 | A kind of charging application method of the charging pile system with blue tooth interface |
| CN107650706A (en) * | 2017-08-31 | 2018-02-02 | 王国义 | The supervisory systems of charging electric vehicle module based on LoRa technologies |
| CN107703835A (en) * | 2017-11-15 | 2018-02-16 | 广州杰赛科技股份有限公司 | Environmental monitoring system |
| CN108099648A (en) * | 2017-12-14 | 2018-06-01 | 嘉兴智行物联网技术有限公司 | A kind of separate type charging pile based on LORA Yu 4G gateways |
| CN108234558A (en) * | 2016-12-15 | 2018-06-29 | 博通无限（北京）物联科技有限公司 | A kind of agricultural greenhouse intelligent control method based on LoRa technologies |
| CN108494414A (en) * | 2018-05-10 | 2018-09-04 | 武汉中电物联科技有限公司 | Super low-power consumption multimode Internet of Things wireless module |
| CN108891299A (en) * | 2018-09-21 | 2018-11-27 | 青岛特锐德电气股份有限公司 | charging pile system |
| CN109813982A (en) * | 2019-01-24 | 2019-05-28 | 深圳智链物联科技有限公司 | Charging pile power failure monitoring method and device, charging pile management platform, and storage medium |
| CN110182096A (en) * | 2019-07-23 | 2019-08-30 | 常州大连理工大学智能装备研究院 | A kind of two-way V2G charging pile system based on the regulation of LoRa communications zone |
| CN114495362A (en) * | 2022-03-10 | 2022-05-13 | 黑龙江省电工仪器仪表工程技术研究中心有限公司 | Direct current fills electric pile |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101895136A (en) * | 2010-06-30 | 2010-11-24 | 武汉理工大学 | Plug-in electric vehicle self-charging system and self-charging method |
| CN201674251U (en) * | 2010-05-26 | 2010-12-15 | 山东鲁能智能技术有限公司 | An electric vehicle charging pile with a wireless monitoring system |
| CN102244403A (en) * | 2011-07-06 | 2011-11-16 | 无锡泛太科技有限公司 | Internet-of-things-based electric vehicle charging post system |
| CN204089888U (en) * | 2014-10-09 | 2015-01-07 | 普天新能源有限责任公司 | A kind of charging pile system |
| CN104505909A (en) * | 2015-01-14 | 2015-04-08 | 贾雪峰 | Intelligent charging pile control system |
| CN205583770U (en) * | 2016-04-26 | 2016-09-14 | 宁波三星智能电气有限公司 | A charging pile system based on LoRa Internet of Things |
-
2016
- 2016-04-26 CN CN201610262941.1A patent/CN105914816A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201674251U (en) * | 2010-05-26 | 2010-12-15 | 山东鲁能智能技术有限公司 | An electric vehicle charging pile with a wireless monitoring system |
| CN101895136A (en) * | 2010-06-30 | 2010-11-24 | 武汉理工大学 | Plug-in electric vehicle self-charging system and self-charging method |
| CN102244403A (en) * | 2011-07-06 | 2011-11-16 | 无锡泛太科技有限公司 | Internet-of-things-based electric vehicle charging post system |
| CN204089888U (en) * | 2014-10-09 | 2015-01-07 | 普天新能源有限责任公司 | A kind of charging pile system |
| CN104505909A (en) * | 2015-01-14 | 2015-04-08 | 贾雪峰 | Intelligent charging pile control system |
| CN205583770U (en) * | 2016-04-26 | 2016-09-14 | 宁波三星智能电气有限公司 | A charging pile system based on LoRa Internet of Things |
Non-Patent Citations (2)
| Title |
|---|
| WUDEQAITE: ""433M无线模块对比ADF7020-1,Si4432,Si4438,Si4463，sx1276, sx1278, sx1212"", 《百度文库》 * |
| 吴兴敏，等: "《新能源汽车》", 31 July 2015 * |
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106413058A (en) * | 2016-10-10 | 2017-02-15 | 山东萝卜电子科技有限公司 | Radio low-power consumption transmission module applied to TMS trap wireless detection system |
| CN106413058B (en) * | 2016-10-10 | 2019-12-24 | 大连中智精工科技有限责任公司 | Wireless low-power transmission module for TMS steam trap wireless detection system |
| CN106506626A (en) * | 2016-10-26 | 2017-03-15 | 珠海小可乐科技有限公司 | Electric automobile charging pile and the data communications method and device of server |
| CN106713413A (en) * | 2016-11-15 | 2017-05-24 | 云南佳海网络科技有限责任公司 | Residential area monitoring system based on Internet of things |
| CN108234558A (en) * | 2016-12-15 | 2018-06-29 | 博通无限（北京）物联科技有限公司 | A kind of agricultural greenhouse intelligent control method based on LoRa technologies |
| CN107071931A (en) * | 2017-05-04 | 2017-08-18 | 国动物联网技术（上海）有限公司 | A kind of NB IoT base stations based on communication chip |
| CN107195104A (en) * | 2017-06-07 | 2017-09-22 | 长兴天越新能源科技有限公司 | The shared power supply stake system of three road electric bicycles |
| CN107255957A (en) * | 2017-06-07 | 2017-10-17 | 浙江工业大学 | A kind of charging pile system with electricity quantity control function communicated based on LoRa |
| CN107274563A (en) * | 2017-06-07 | 2017-10-20 | 李兵 | Charging pile with the preposition arbitration functions of disbursement and sattlement |
| CN107316390A (en) * | 2017-06-07 | 2017-11-03 | 浙江工商大学 | A kind of charging application method of the charging pile system accurately paid |
| CN107341926A (en) * | 2017-06-07 | 2017-11-10 | 浙江工商大学 | A kind of charging application method with control function of power charging pile system |
| CN107458241A (en) * | 2017-06-07 | 2017-12-12 | 浙江工业大学 | A kind of charging application method of the charging pile system with blue tooth interface |
| CN107650706A (en) * | 2017-08-31 | 2018-02-02 | 王国义 | The supervisory systems of charging electric vehicle module based on LoRa technologies |
| CN107703835A (en) * | 2017-11-15 | 2018-02-16 | 广州杰赛科技股份有限公司 | Environmental monitoring system |
| CN108099648A (en) * | 2017-12-14 | 2018-06-01 | 嘉兴智行物联网技术有限公司 | A kind of separate type charging pile based on LORA Yu 4G gateways |
| CN108494414A (en) * | 2018-05-10 | 2018-09-04 | 武汉中电物联科技有限公司 | Super low-power consumption multimode Internet of Things wireless module |
| CN108494414B (en) * | 2018-05-10 | 2020-08-04 | 武汉中电物联科技有限公司 | Ultra-low power multi-mode IoT wireless module |
| CN108891299A (en) * | 2018-09-21 | 2018-11-27 | 青岛特锐德电气股份有限公司 | charging pile system |
| CN109813982A (en) * | 2019-01-24 | 2019-05-28 | 深圳智链物联科技有限公司 | Charging pile power failure monitoring method and device, charging pile management platform, and storage medium |
| CN110182096A (en) * | 2019-07-23 | 2019-08-30 | 常州大连理工大学智能装备研究院 | A kind of two-way V2G charging pile system based on the regulation of LoRa communications zone |
| CN114495362A (en) * | 2022-03-10 | 2022-05-13 | 黑龙江省电工仪器仪表工程技术研究中心有限公司 | Direct current fills electric pile |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105914816A (en) | Charging pile system based on LoRa internet of things | |
| CN104393656B (en) | Intelligent alternating current charging pile and charging method of electric automobile | |
| CN103972969B (en) | Charging pile | |
| CN204258380U (en) | A kind of electric automobile intelligent AC charging pile | |
| CN201408476Y (en) | Wireless remote meter reading control system based on ZigBee technique | |
| CN204774704U (en) | Stake of electric automobile integral type alternating -current charging | |
| CN106114276A (en) | Intelligent electric motor car charging pile control system | |
| CN210258062U (en) | Intelligent charging pile | |
| CN205583770U (en) | A charging pile system based on LoRa Internet of Things | |
| CN106274534A (en) | Intelligent electric motor car charging pile control system | |
| CN107571751A (en) | A kind of intelligent management system of automobile charging pile | |
| CN104505909A (en) | Intelligent charging pile control system | |
| CN206031102U (en) | Intelligence direct current fills electric pile | |
| CN107933338A (en) | A kind of network system based on NB IoT automobile charging piles | |
| CN206765836U (en) | A kind of electric automobile charging pile | |
| CN206217663U (en) | A kind of network electric automobile charging pile | |
| CN210833886U (en) | Cable joint temperature monitoring device and system | |
| CN209566808U (en) | A Distributed Ad Hoc Network Unattended Vehicle Charging Device | |
| CN205544347U (en) | " internet + " electric automobile fills electric pile | |
| CN104505903A (en) | Electric vehicle intelligent charging system based on Internet of Things | |
| CN204895168U (en) | Multi -protocols electric automobile stake of charging of can demoting based on distributing type | |
| CN107393164A (en) | Underground charging pile intelligent management system | |
| CN205768733U (en) | A kind of wireless charging system | |
| CN205632163U (en) | Stake of single rifle alternating -current charging of 7KW | |
| CN202929402U (en) | Electric vehicle charging pile human-computer interaction system and electric vehicle charging pile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160831 |
|
| RJ01 | Rejection of invention patent application after publication |