CN103532202A - Charging piles for wireless carrier dual-network complementation of public communities and application method thereof - Google Patents
Charging piles for wireless carrier dual-network complementation of public communities and application method thereof Download PDFInfo
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Abstract
The invention discloses charging piles for wireless carrier dual-network complementation of public communities and the application method thereof. The charging piles comprise main control boards, opening-in and opening-out processing modules, measurement processing modules, printing modules, intelligent electric meters, keyboards, CAN data interfaces, intelligent card reading-writing modules, cameras, LED display screens and communication modules. The application method solves the problem that the large scale of charging piles are accessed in an electric vehicle background in the public communities. Through the application method, the data interaction can be implemented between the charging piles and the electric vehicle background through two free communication methods of radios and carriers, so that the expensive communication cost is reduced, and the influence to the communication quality from peripheral interference sources or other same-frequency-band wireless signals is effectively avoided.
Description
Technical field
The invention belongs to electric automobile management domain, relate in particular to complementary charging pile and the application process of the two nets of wireless carrier for common cell.
Background technology
Under new forms of energy policy support, estimate that China's new-energy automobile demand in 2015 will reach 97.7 ten thousand, average growth rate per annum 216%.State Grid Corporation of China plans will build 1700 charging stations before 2015, will build up 2000 charging stations, 400,000 charging piles by China in 2015.Electric automobile charging pile is divided into stake and two kinds of the outer discrete stakes in station, the especially outer discrete charging pile in station in charging station, and geographic layout is disperseed, One's name is legion.Along with electric automobile steps into resident family, charging pile in residential quarter also can get more and more, electric automobile operating administration is mainly realized by GPRS passage for the management of this type of discrete charging pile at present, although GPRS passage is more stable, this mode can cause increasing for the expense of communication.
Chinese patent 201020202583.3 discloses a kind of electric automobile charging pile with wireless supervisory control system, realizes the communication of discrete charging pile and background management system by GPRS, CDMA or 3G module.This patent has been used Public Mobile Network to carry out transfer of data, and every charging pile will be installed a GPRS/CDMA/3G communication module, has increased the communication cost of system.
Chinese patent 201210013267.5 discloses a kind of wireless acquisition system and means of communication thereof of charging pile, Chinese patent 201120174600.1 discloses a kind of electric automobile charging pile with wireless monitoring terminal, above two patents are all by having realized the data acquisition to charging pile in 802.11n/WIFI technology, and this Technology Need WIFI router has coordinated data communication.Adopt at present WIFI technology to carry out charging pile management and have two drawbacks: the one, cannot transistroute, can only in router signal cover, realize data communication, distance only has tens to 100 meters of left and right; The 2nd, the restriction due to equipment performance and the bandwidth of router itself, generally can only access tens WIFI terminals, the demand in the time of cannot meeting practical application.
Chinese patent 201210085959.0 discloses a kind of discrete charging pile data acquisition system for electric automobile, by the submodule of installing on Zigbee primary module and discrete charging pile, sets up Zigbee network, realizes data communication.But ZigBee technology transmission range only has 10～100 meters, while there is air interference around, the communication meeting of Zigbee is subject to very big impact simultaneously.
Chinese patent 201110071414.X discloses a kind of electric automobile automatic charging device and method of utilizing power line carrier communication, by power-line carrier communication, realizes the transfer of data to electric automobile automatic charging device.Although this invention can solve the limited problem of signal cover, but in common cell, due to the use of various electric appliance and electronic equipment, make to exist in power circuit various harmonic waves, disturbance, cause power carrier signal error code to increase, very large on communication quality impact.
Though above prior art has obtained certain achievement, but have that transmission range is short, the accessible charging pile quantity of system is few, cannot normal communication beyond signal cover, cannot tackle wireless signal and disturb, cannot avoid the drawbacks such as line-hit, the demand of charging pile management in the time of cannot meeting electric automobile large-scale promotion.
Summary of the invention
To the object of the invention is in order addressing the above problem, to provide the two nets of a kind of wireless carrier for common cell complementary charging pile and application process thereof, solve the problem on extensive charging pile access electric automobile backstage in common cell.By this invention, charging pile can carry out data interaction by wireless, two kinds of free means of communications of carrier wave and electric automobile backstage, has reduced great number communication expense, and the while is effectively avoided due to periphery interference source or other impact on communication quality with frequency range wireless signal.
For achieving the above object, technical scheme of the present invention is as follows:
The complementary charging pile of the two nets of wireless carrier of common cell, comprises master control borad, input and output processing module, measures processing module, print module, intelligent electric meter, keyboard, CAN data-interface, smart card module for reading and writing, camera, LED display and communication module.
Described master control borad, be used for connecting input and output processing module, measure processing module, print module, intelligent electric meter, keyboard, CAN data-interface, smart card module for reading and writing, camera, LED display and communication module, realization is to input and output module, measure processing module, intelligent electric meter, keyboard, smart card module for reading and writing, the data acquisition of camera, to input and output processing module, print module, the control of LED display, and the data interaction with other CAN bus apparatus by the realization of CAN data-interface, by communication module realize and other charging pile and cell data centralized management unit between data transmit.。
Described input and output processing module is connected with mains switch, gathers switching-on and switching-off state and controls mains switch and carry out deciliter; Described measurement processing module is connected with mutual inductance module, gathers mutual inductance module data; Described print module completes the printing function of charging bill; Described intelligent electric meter completes the function of measuring to charge capacity; Described keyboard receives the instruction that user issues; Described CAN data-interface is connected with BMS, obtains the measurement data in BMS; Described smart card module for reading and writing carries out the read-write of intelligent charge card; Described camera completes the monitoring to charging process and charging personnel.
Described communication module connects master control borad, and the instruction of response master control borad outwards sends data, and the data of reception are back to master control borad.。
As a further improvement on the present invention, described communication module comprises micro treatment module, micro power radio module, carrier communication module, filtration module.
Micro treatment module connects micro power radio module, carrier communication module and master control borad, carries out communication link management, communication data transmission, verifying work.Response master control borad instruction, issues communication instruction and data to micro power radio module and carrier communication module, and receives the data of micro power radio module and carrier communication module simultaneously, compare and verification, by data transfer after verification to master control borad.
Under normal circumstances, micro treatment module be take micro power radio module communication as main, and the data of carrier communication module are as preliminary data and verification.When around, occur interference or other factors impact, while causing cannot normally carrying out transfer of data by micro power radio module, it is that master carries out data interaction that communication module turns by carrier communication module, until micro power radio module recovers normal communication.
Described micro power radio module, is connected with micro treatment module, uses micropower wireless mode to complete the data transmission between charging pile and other charging pile and cell data centralized management unit.
The wireless operating frequency of 470mHz～490mHz that described micro power radio module adopts the national radio committee to require, adopts forward error correction channel technology, and air transfer rate can reach 100Kbps, and the non-relay transmitting distance in open ground can reach 1500 meters.
Described micro power radio module is supported wireless self-networking, can the in the situation that of prosthetic intervention, complete the communication network tissue of all charging piles in common cell.
Described micro power radio module can carry out data interaction between any two, and supported data transmission realizes data multilevel relaying with this, and the mode that can transmit by one-level level, is sent to final destination by data.
Described micro power radio module can be realized radio band automatic frequency-hopping function, when there is the micropower wireless signal of other community charging pile around in common cell, micro power radio module can pass through automatic frequency-hopping function, changes communication frequency, avoids and the conflicting of other district wireless signals.
Described micro power radio module can be realized in power tolerance band automatically and adjusting, when and when around the wireless signal between other micro power radio modules is weak, automatically strengthen transmitting power, strengthen signal, communication reliability is provided; When and when around the wireless signal between other micro power radio modules is stronger, under the prerequisite that guarantees communication success rate, automatically reduce transmitting power, reduce electric energy loss.
Described carrier communication module is connected with micro treatment module, filtration module, accepts the instruction of micro treatment module and the data that receive are back to micro treatment module;
Described filtration module is connected with carrier communication module, for completing the filtering function of the interference signal of carrier communication.
Described filtration module comprises transmission active filter, sends passive filter, receives passive filter, when data send, active filter completes the active power filtering of signal of communication and power amplifier is amplified, then is coupled to power line and carries out signal transmission through sending passive filter; During data receiver, signal of communication is sent into microprocessor and is processed after receiving passive filter.
The two application processes of netting complementary charging pile of wireless carrier for common cell, comprise following steps:
Step 1: after charging pile installs, start charging pile, allow the work of charging pile communication module, carry out micro power radio module and carrier module MANET, set up each charging pile to the communication route of cell data centralized management unit, and record the communication quality of communication route.After networking completes, the successful charging pile of failed cluster is debugged.
Step 2: when charging pile and cell data centralized management unit carry out data interaction, communication module in charging pile first by Data dissemination to micro power radio module and carrier module, by two kinds of modes of wireless and carrier wave, to cell data centralized management unit, send data simultaneously.
Step 3: during by wireless mode communication, communication module carries out communication according to the optimum communication route of the arrival cell data centralized management unit recording in internal memory, as Communications failure is selected suboptimum communication route successively, and according to this communication route service condition, adjust the success rate of each communication route in internal memory.As wireless communication mode is temporarily abandoned in continuous failure.
Step 4: charging pile communication module receives and data carrier wave two kind modes wireless from micropower simultaneously, and data are compared and verification, and the data that the micropower of take is wireless are as main, and carrier data is auxiliary.Within at the appointed time, do not receive the data that micropower is wireless, get carrier data and carry out subsequent analysis.
Step 5: as the charging pile that exists micropower wireless signal to network, start by set date MANET function, for this charging pile re-establishes wireless telecommunications route.
Beneficial effect of the present invention:
1) in charging pile, use micro power radio module to carry out communication, reduced the communication expense of every charging pile, saved in whole electric automobile Operation Network the spending for communication, reduce the communication link on direct access electric automobile operation management system backstage, improved the speed of service on system backstage.
2) micropower wireless signal wide coverage, has automatic frequency-hopping function, and can adjust transmitting power according to the quality of communication signal, strong adaptability, and signal stabilization is high.Carrier channel has increased filtration module, has reduced the interference in power circuit, has strengthened the antijamming capability of carrier signal, has reduced the error rate of signal.
3) micropower is wireless works with carrier wave binary channels simultaneously, and verification has each other guaranteed the communication reliability of charging pile to have improved communication accuracy.
4) charging pile application micropower wireless with carrier wave binary channels, modular applications, does not need the laying of communication line, Installation and Debugging are convenient, reduce thread debugging work load, are conducive to charging pile in the promotion and application in the places such as residential quarter, Public Parking.
Accompanying drawing explanation
The complementary charging pile structure chart of the two nets of Fig. 1 wireless carrier for common cell of the present invention;
Fig. 2 charging pile communication module of the present invention structure chart;
Fig. 3 filtering modular structure figure of the present invention;
The complementary charging pile application process flow chart of the two nets of Fig. 4 wireless carrier for common cell of the present invention;
The complementary charging pile network diagram of the two nets of Fig. 5 wireless carrier for common cell of the present invention;
Wherein: 100, charging pile; 101, master control borad; 102, input and output processing module; 103, measure processing module; 104, print module; 105, intelligent electric meter; 106, keyboard; 107, CAN data-interface; 108, smart card module for reading and writing; 109, camera; 110, LED display; 200, communication module; 201, micro treatment module; 202, micro power radio module; 203, carrier communication module; 204, filtration module, 301, send active filter; 302, send passive filter; 303, receive passive filter; 400, cell data centralized management unit.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the invention will be further described.
As shown in Figure 1, the complementary charging pile of the two nets of wireless carrier of common cell, comprises master control borad 101, input and output processing module 102, measures processing module 103, print module 104, intelligent electric meter 105, keyboard 106, CAN data-interface 107, smart card module for reading and writing 108, camera 109, LED display 110 and communication module 200.
Described master control borad 101, be used for connecting input and output processing module 102, measure processing module 103, print module 104, intelligent electric meter 105, keyboard 106, CAN data-interface 107, smart card module for reading and writing 108, camera 109, LED display 110 and communication module 200, realization is to input and output module 102, measure processing module 103, intelligent electric meter 105, keyboard 106, smart card module for reading and writing 108, the data acquisition of camera 109, to input and output processing module 102, print module 104, the control of LED display 110, and the data interaction with other CAN bus apparatus by 107 realizations of CAN data-interface, by the data between communication module 200 realizations and other charging pile 100 and cell data centralized management unit 400, transmit.。
Described input and output processing module 102 is connected with mains switch, gathers switching-on and switching-off state and controls mains switch and carry out deciliter; Described measurement processing module 103 is connected with mutual inductance module, gathers mutual inductance module data; Described print module 104 completes the printing function of charging bill; Described intelligent electric meter 105 completes the function of measuring to charge capacity; Described keyboard 106 receives the instruction that user issues; Described CAN data-interface 107 is connected with BMS, obtains the measurement data in BMS; Described smart card module for reading and writing 108 carries out the read-write of intelligent charge card; Described camera 109 completes the monitoring to charging process and charging personnel.
Described communication module 200 connects master control borad 101, and 101 instructions of response master control borad outwards send data, and the data of reception are back to master control borad 101.
As shown in Figure 2, described communication module 200 comprises micro treatment module 201, micro power radio module 202, carrier communication module 203, filtration module 204.Micro treatment module 201 connects micro power radio module 202, carrier communication module 203 and master control borad 101, carries out communication link management, communication data transmission, verifying work.101 instructions of response master control borad, to micro power radio module 202 and carrier communication module 203, issue communication instruction and data, and receive to receive the data of micro power radio module 202 and carrier communication module 203 simultaneously, compare and verification, by data transfer after verification to master control borad 101.Under normal circumstances, micro treatment module 201 be take micro power radio module 202 communications as main, and the data of carrier communication module 203 are as preliminary data and verification.When around, there is interference or other factors impact, while causing cannot normally carrying out transfer of data by micro power radio module 202, it is that master carries out data interaction that 200 of communication modules turn by carrier communication module 203, until micro power radio module 202 recovers normal communications.
Described micro power radio module 202, is connected with micro treatment module 201, uses micropower wireless mode to complete the data transmission between charging pile 100 and other charging pile 100 and cell data centralized management unit 400.
The wireless operating frequency of 470mHz～490mHz that the national radio of the described micro power radio module 202 employing committee requires, adopts forward error correction channel technology, and air transfer rate can reach 100Kbps, and the non-relay transmitting distance in open ground can reach 1500 meters.
Described micro power radio module 202 is supported wireless self-networking, can the in the situation that of prosthetic intervention, complete the communication network tissue of all charging piles in common cell.
Described micro power radio module 202 can carry out data interaction between any two, and supported data transmission realizes data multilevel relaying with this, and the mode that can transmit by one-level level, is sent to final destination by data.
Described micro power radio module 202 can be realized radio band automatic frequency-hopping function, when there is the micropower wireless signal of other community charging pile around in common cell, micro power radio module 202 can pass through automatic frequency-hopping function, changes communication frequency, avoids and the conflicting of other district wireless signals.
Described micro power radio module 202 can be realized in power tolerance band automatically and adjusting, when and when around the wireless signal between other micro power radio modules 202 is weak, automatically strengthen transmitting power, strengthen signal, communication reliability is provided; When and when around the wireless signal between other micro power radio modules is stronger, under the prerequisite that guarantees communication success rate, automatically reduce transmitting power, reduce electric energy loss.
Described carrier communication module 203 is connected with micro treatment module 201, filtration module 204, accepts the instruction of micro treatment module 201 and the data that receive are back to micro treatment module 201;
Described filtration module 204 is connected with carrier communication module 203, for completing the filtering function of the interference signal of carrier communication.
As shown in Figure 3, described filtration module 204 is comprised of transmission active filter 301, transmission passive filter 302, reception passive filter 303, when data send, active filter 301 completes the active power filtering of signal of communication and power amplifier is amplified, then is coupled to power line and carries out signal transmission through sending passive filter 302; During data receiver, signal of communication is sent into microprocessor and is processed after receiving passive filter 303.
Described input and output processing module 102 is connected with mains switch, gathers switching-on and switching-off state and controls mains switch and carry out deciliter; Described measurement processing module 103 is connected with mutual inductance module, gathers mutual inductance module data; Described print module 104 completes the printing function of charging bill; Described intelligent electric meter 105 completes the function of measuring to charge capacity; Described keyboard 106 receives the instruction that user issues; Described CAN data-interface 107 is connected with BMS, obtains the measurement data in BMS; Described smart card module for reading and writing 108 carries out the read-write of intelligent charge card; Described camera 109 completes the monitoring to charging process and charging personnel.
As shown in Figure 4, after charging pile 100 installs, staff starts charging pile 100, allow communication module 200 work, carry out micro power radio module 202 and carrier module 203 MANETs, set up each charging pile 100 to the communication route of cell data centralized management unit 400, and record the communication quality of communication route.After networking completes, the successful charging pile 100 of failed cluster is debugged.When charging pile 100 carries out data interaction with cell data centralized management unit 400, communication module 200 first by Data dissemination to micro power radio module 202 and carrier module 203, by two kinds of modes of wireless and carrier wave, to cell data centralized management unit 400, send data simultaneously.During by wireless mode communication, communication module 200 carries out communication according to the optimum communication route of the arrival cell data centralized management unit 400 recording in internal memory, as Communications failure is selected suboptimum communication route successively, and according to this communication route service condition, adjust the success rate of each communication route in internal memory.As wireless communication mode is temporarily abandoned in continuous failure.Communication module 200 receives and data carrier wave two kind modes wireless from micropower simultaneously, and data are compared and verification, and the data that the micropower of take is wireless are as main, and carrier data is auxiliary.Within at the appointed time, do not receive the data that micropower is wireless, get carrier data and carry out subsequent analysis.As the charging pile 100 that exists micropower wireless signal to network, start by set date MANET function, for this charging pile 100 re-establishes wireless telecommunications route.
As shown in Figure 5, thousands of charging piles 100 can be managed in a cell data centralized management unit 400 simultaneously, the charging pile 100 directly covering for cell data centralized management unit 400 micropower wireless signals, cell data centralized management unit 400 can directly carry out communication with charging pile 100; The charging pile 100 that cannot directly cover for cell data centralized management unit 400 micropower wireless signals, can be by the data interaction of other charging pile 100 transfer realizations and cell data centralized management unit 400, transfer jumping figure can surpass 10 times, thereby meet compared with the communication in big bus community or region (as radius is greater than 2km), covers.
Although above-mentioned, by reference to the accompanying drawings the specific embodiment of the present invention is described; but be not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection scope of the present invention.
Claims (10)
1. for the wireless carrier pair of common cell, net complementary charging pile, it is characterized in that, comprise master control borad, input and output processing module, measure processing module, print module, intelligent electric meter, keyboard, CAN data-interface, smart card module for reading and writing, camera, LED display and communication module;
Described master control borad, be used for connecting input and output processing module, measure processing module, print module, intelligent electric meter, keyboard, CAN data-interface, smart card module for reading and writing, camera, LED display and communication module, realization is to input and output module, measure processing module, intelligent electric meter, keyboard, smart card module for reading and writing, the data acquisition of camera, to input and output processing module, print module, the control of LED display, and the data interaction with other CAN bus apparatus by the realization of CAN data-interface, by communication module realize and other charging pile and cell data centralized management unit between data transmit,
Described input and output processing module is connected with mains switch, gathers switching-on and switching-off state and controls mains switch and carry out deciliter; Described measurement processing module is connected with mutual inductance module, gathers mutual inductance module data; Described print module completes the printing function of charging bill; Described intelligent electric meter completes the function of measuring to charge capacity; Described keyboard receives the instruction that user issues; Described CAN data-interface is connected with BMS, obtains the measurement data in BMS; Described smart card module for reading and writing carries out the read-write of intelligent charge card; Described camera completes the monitoring to charging process and charging personnel;
Described communication module connects master control borad, for completing the data transmission between charging pile and other charging pile and cell data centralized management unit.
2. the complementary charging pile of the two nets of the wireless carrier for common cell as claimed in claim 1, is characterized in that, described communication module comprises micro treatment module, micro power radio module, carrier communication module, filtration module;
The instruction of micro treatment module response master control borad, to micro power radio module and carrier communication module, issue communication instruction and data, and receive the data of micro power radio module and carrier communication module simultaneously, compare and verification, by data transfer after verification to master control borad;
Described micro power radio module, is connected with micro treatment module, uses micropower wireless mode to complete the data transmission between charging pile and other charging pile and cell data centralized management unit;
Described carrier communication module is accepted the instruction of micro treatment module and the data that receive is back to micro treatment module;
Described filtration module, is connected with carrier communication module, for completing the filtering function of the interference signal of carrier communication.
3. the complementary charging pile of the two nets of the wireless carrier for common cell as claimed in claim 2, is characterized in that, under normal circumstances, micro treatment module be take micro power radio module communication as main, and the data of carrier communication module are as preliminary data and verification; When around, occur interference or other factors impact, while causing cannot normally carrying out transfer of data by micro power radio module, it is that master carries out data interaction that communication module turns by carrier communication module, until micro power radio module recovers normal communication.
4. the complementary charging pile of the two nets of the wireless carrier for common cell as claimed in claim 2, is characterized in that,
The wireless operating frequency of 470mHz～490mHz that described micro power radio module adopts the national radio committee to require, adopts forward error correction channel technology, and air transfer rate can reach 100Kbps, and the non-relay transmitting distance in open ground can reach 1500 meters.
5. the wireless carrier for common cell as claimed in claim 2 pair is netted complementary charging pile, it is characterized in that, described micro power radio module is supported wireless self-networking, completes the communication network tissue of all charging piles in common cell in the situation that of prosthetic intervention.
6. the wireless carrier for common cell as claimed in claim 2 pair is netted complementary charging pile, it is characterized in that, described micro power radio module carries out data interaction between any two, supported data transmits, with this, realize data multilevel relaying, the mode of transmitting by one-level level, is sent to final destination by data.
7. the wireless carrier for common cell as claimed in claim 2 pair is netted complementary charging pile, it is characterized in that, described micro power radio module is realized radio band automatic frequency-hopping function, when there is the micropower wireless signal of other community charging pile around in common cell, micro power radio module can pass through automatic frequency-hopping function, change communication frequency, avoid and the conflicting of other district wireless signals.
8. the wireless carrier for common cell as claimed in claim 2 pair is netted complementary charging pile, it is characterized in that, described micro power radio module is realized in power tolerance band and automatically being adjusted, when and when around the wireless signal between other micro power radio modules is weak, automatically strengthen transmitting power, strengthen signal, communication reliability is provided; When and when around the wireless signal between other micro power radio modules is stronger, under the prerequisite that guarantees communication success rate, automatically reduce transmitting power, reduce electric energy loss.
9. the wireless carrier for common cell as claimed in claim 2 pair is netted complementary charging pile, it is characterized in that, described filtration module comprises transmission active filter, sends passive filter, receives passive filter, when data send, active filter completes the active power filtering of signal of communication and power amplifier is amplified, then is coupled to power line and carries out signal transmission through sending passive filter; During data receiver, signal of communication is sent into microprocessor and is processed after receiving passive filter.
10. for the two application processes of netting complementary charging pile of wireless carrier of common cell, it is characterized in that, comprise following steps:
Step 1: after charging pile installs, start charging pile, allow the work of charging pile communication module, carry out micro power radio module and carrier module MANET, set up each charging pile to the communication route of cell data centralized management unit, and record the communication quality of communication route; After networking completes, the successful charging pile of failed cluster is debugged;
Step 2: when charging pile and cell data centralized management unit carry out data interaction, communication module in charging pile first by Data dissemination to micro power radio module and carrier module, by two kinds of modes of wireless and carrier wave, to cell data centralized management unit, send data simultaneously;
Step 3: during by wireless mode communication, communication module carries out communication according to the optimum communication route of the arrival cell data centralized management unit recording in internal memory, as Communications failure is selected suboptimum communication route successively, and according to this communication route service condition, adjust the success rate of each communication route in internal memory; As wireless communication mode is temporarily abandoned in continuous failure;
Step 4: charging pile communication module receives and data carrier wave two kind modes wireless from micropower simultaneously, and data are compared and verification, and the data that the micropower of take is wireless are as main, and carrier data is auxiliary; Within at the appointed time, do not receive the data that micropower is wireless, get carrier data and carry out subsequent analysis;
Step 5: as the charging pile that exists micropower wireless signal to network, start by set date MANET function, for this charging pile re-establishes wireless telecommunications route.
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| CN108521471A (en) * | 2018-06-01 | 2018-09-11 | 蔚来汽车有限公司 | Charging pile network communication device, method and system |
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| CN109600160A (en) * | 2018-12-19 | 2019-04-09 | 福建工程学院 | A method of enhancing wireless network using the charging pile of tape relay function |
| CN109802468A (en) * | 2019-03-20 | 2019-05-24 | 易事特集团股份有限公司 | Centralization and machine charging pile system and charging method based on power carrier ad hoc network |
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| CN107085891A (en) * | 2017-03-01 | 2017-08-22 | 安文科技有限公司 | The method of mobile terminal and mobile terminal start and stop charging pile |
| CN107995606A (en) * | 2017-11-20 | 2018-05-04 | 深圳市车电网络有限公司 | A kind of charging pile communication system |
| CN108521471A (en) * | 2018-06-01 | 2018-09-11 | 蔚来汽车有限公司 | Charging pile network communication device, method and system |
| CN108521471B (en) * | 2018-06-01 | 2021-01-01 | 蔚来(安徽)控股有限公司 | Charging pile network communication device, method and system |
| CN109228952A (en) * | 2018-10-30 | 2019-01-18 | 四川洪诚电气科技有限公司 | A kind of charging pile charging system and method based on power intelligent allotment |
| CN109600160A (en) * | 2018-12-19 | 2019-04-09 | 福建工程学院 | A method of enhancing wireless network using the charging pile of tape relay function |
| CN109802468A (en) * | 2019-03-20 | 2019-05-24 | 易事特集团股份有限公司 | Centralization and machine charging pile system and charging method based on power carrier ad hoc network |
| CN111835384A (en) * | 2020-07-27 | 2020-10-27 | 珠海格力电器股份有限公司 | Power line carrier communication power module, power line carrier communication cable and magnetic suspension motor system |
| CN117098095A (en) * | 2023-10-17 | 2023-11-21 | 天津森普捷电子有限公司 | Single-station-end and multi-station-end power conversion interaction method and power conversion interaction device |
| CN117098095B (en) * | 2023-10-17 | 2024-01-05 | 天津森普捷电子有限公司 | Single-station-end and multi-station-end power conversion interaction method and power conversion interaction device |
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