CN105871943A

CN105871943A - Charging station, and data transmission system and data transmission method of charging station

Info

Publication number: CN105871943A
Application number: CN201510025712.3A
Authority: CN
Inventors: 谢小刚; 陈伟; 刘楠; 张伟鹏; 苏正兴; 邓志浩
Original assignee: BYD Co Ltd
Current assignee: BYD Co Ltd
Priority date: 2015-01-19
Filing date: 2015-01-19
Publication date: 2016-08-17

Abstract

The invention discloses a charging station, and a data transmission system and data transmission method of the charging station. The charging station comprises a plurality of charging piles. The data transmission system comprises a local server and a data collector communicating with the local server. The data collector conducts wireless communication with each one of the charging piles to obtain status information of each charging pile, determines whether the status information of each charging pile is valid information, and sends the valid status information to the local server. According to received status information of the charging pile, the local server determines whether it is necessary to send reply information to the data collector; and the data collector sends received reply information to the corresponding charging pile. Via the above way, the local server only receives the information processed by the data collector, which is more accurate and clearer, and does not need to communicate with each charging pile directly, so that software design can be simplified, and the hardware implementation difficulty can be reduced.

Description

Charging station and the data transmission system of charging station and data transmission method

Technical field

The present invention relates to vehicle charging technical field, the data particularly to a kind of charging station and a kind of charging station are transmitted System and the data transmission method of a kind of charging station.

Background technology

The charge system of charging station is completely dependent on data stream, therefore data collection, resolve and process and just seem the heaviest Want.Relevant charging station uses the pattern of the direct-connected home server of charging pile mostly, the most multiple charging piles All data all transfer to home server to process.It is concrete as it is shown in figure 1, multiple charging piles equal 20 ' are direct and local service Device 10 ' is connected, and wherein, multiple charging piles can include charging pile 1 ', charging pile 2 ' ..., charging pile n '.

Correlation technique has the drawback that, the information between charging pile and home server is mutual frequent especially, in service In the case of device and charging pile one-to-many, home server needs quantity of information to be processed abnormal the hugest, the property to server Can have at a relatively high requirement, and allow software design become extremely complex, corresponding data error rate also occupies height Under not.Therefore, there are the needs improved in correlation technique.

Summary of the invention

The purpose of the present invention is intended at least solve above-mentioned technological deficiency.

To this end, it is an object of the present invention to propose the data transmission system of a kind of charging station, reduce home server Need quantity of information to be processed, simplify software design.

Further object is that the data transmission method proposing a kind of charging station.An also purpose of the present invention It is to propose a kind of charging station.

For reaching above-mentioned purpose, the data transmission system of a kind of charging station that one aspect of the present invention embodiment proposes, charging Station includes multiple charging pile, and data transmission system includes that home server and described home server carry out the number of communication Communicate wirelessly with the plurality of charging pile respectively according to harvester and described data acquisition unit, wherein, described data Harvester is by communicating wirelessly to obtain described each charging pile with each charging pile in the plurality of charging pile Status information, and judge whether the status information of described each charging pile is useful information, and will be deemed as useful letter The status information of the charging pile of breath is sent to described home server；Described home server is according to the charging pile received Status information judge whether need send back complex information to described data acquisition unit；Described data acquisition unit will receive Described return information be sent to corresponding charging pile.

The data transmission system of the charging station proposed according to embodiments of the present invention, data acquisition unit by with multiple charging piles In each charging pile communicate wirelessly to obtain the status information of each charging pile, and will be deemed as useful information The status information of charging pile is sent to home server, and home server is sentenced according to the status information of the charging pile received Breaking and send back complex information the need of to data acquisition unit, the return information received is sent to accordingly by data acquisition unit Charging pile.Thus, compared with correlation technique, by increasing data acquisition between home server and multiple charging pile Storage, the information of multiple charging piles is first carried out pretreatment by data acquisition unit, and home server only need to process data acquisition Device send come information, thus home server receive be all via data acquisition unit process after information, information More accurately clear, and home server only needs communication between data acquisition unit, it is not necessary to direct with each charging pile Communication, can be greatly simplified the software function of home server, facilitates software design, and reduces the enforcement difficulty of hardware.

For reaching above-mentioned purpose, another aspect of the present invention embodiment proposes the data transmission method of a kind of charging station, bag Include following steps: data acquisition unit is by communicating wirelessly to obtain described with each charging pile in multiple charging piles The status information of each charging pile, and judge whether the status information of described each charging pile is useful information；Described number The status information of the charging pile that will be deemed as useful information according to harvester is sent to home server；Described home server Status information according to the charging pile received judges whether to need to send back complex information to described data acquisition unit；Described The described return information received is sent to corresponding charging pile by data acquisition unit.

The data transmission method of the charging station proposed according to embodiments of the present invention, data acquisition unit by with multiple charging piles In each charging pile communicate wirelessly to obtain the status information of each charging pile, and will be deemed as useful information The status information of charging pile is sent to home server, and home server is sentenced according to the status information of the charging pile received Breaking and send back complex information the need of to data acquisition unit, the return information received is sent to accordingly by data acquisition unit Charging pile.Thus, compared with correlation technique, by increasing data acquisition between home server and multiple charging pile Storage, the information of multiple charging piles is first carried out pretreatment by data acquisition unit, and home server only need to process data acquisition Device send come information, thus home server receive be all via data acquisition unit process after information, information More accurately clear, and home server only needs communication between data acquisition unit, it is not necessary to direct with each charging pile Communication, can be greatly simplified the software function of home server, facilitates software design, and reduces the enforcement difficulty of hardware.

Additionally, embodiments of the invention also proposed a kind of charging station, it includes the data transmission system of above-mentioned charging station System.

Charging station according to embodiments of the present invention, by above-mentioned data transmission system, wherein data acquisition unit by with Each charging pile in multiple charging piles communicates wirelessly to obtain the status information of each charging pile, and will be deemed as The status information of the charging pile of useful information is sent to home server, and home server is according to the charging pile received Status information judges whether to need to send back complex information to data acquisition unit, the return information that data acquisition unit will receive It is sent to corresponding charging pile.Thus, compared with correlation technique, by between home server and multiple charging pile Increasing data acquisition unit, the information of multiple charging piles is first carried out pretreatment by data acquisition unit, and home server only needs place Reason data acquisition unit send come information, thus home server receive all via data acquisition unit process after Information, information is more accurately clear, and home server only needs communication between data acquisition unit, it is not necessary to each Charging pile Direct Communication, can be greatly simplified the software function of home server, facilitates software design, and reduces hardware Implement difficulty.Additionally, this charging station can use three-dimensional cycle charging machine, space can be greatly saved.

Aspect and advantage that the present invention adds will part be given in the following description, and part will become from the following description Obtain substantially, or recognized by the practice of the present invention.

Accompanying drawing explanation

The present invention above-mentioned and/or that add aspect and advantage will become bright from the following description of the accompanying drawings of embodiments Aobvious and easy to understand, wherein:

Fig. 1 is the block diagram of the data transmission system of relevant charging station；

Fig. 2 is the block diagram of the data transmission system of charging station according to embodiments of the present invention；

Fig. 3 is the block diagram of the data transmission system of charging station according to an embodiment of the invention；

Fig. 4 is the flow chart of the data transmission method of charging station according to embodiments of the present invention；

Fig. 5 is the flow chart of the data transmission method of charging station according to an embodiment of the invention；

Fig. 6 be the charging station according to one specific embodiment of the present invention data transmission method in charging pile send data mistake The flow chart of journey；And

Fig. 7 be the charging station according to another specific embodiment of the present invention data transmission method in home server reply The flow chart of data procedures.

Detailed description of the invention

Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings, the most from start to finish Same or similar label represents same or similar element or has the element of same or like function.Below by ginseng The embodiment examining accompanying drawing description is exemplary, is only used for explaining the present invention, and is not construed as limiting the claims.

Following disclosure provides many different embodiments or example for realizing the different structure of the present invention.For letter Changing disclosure of the invention, hereinafter parts and setting to specific examples are described.Certainly, they are the most merely illustrative, And it is not intended to limit the present invention.Additionally, the present invention can in different examples repeat reference numerals and/or letter. This repetition is for purposes of simplicity and clarity, between itself not indicating discussed various embodiment and/or arranging Relation.Additionally, the various specific technique that the invention provides and the example of material, but ordinary skill people Member is it can be appreciated that the property of can be applicable to of other techniques and/or the use of other materials.It addition, described below first is special Levy second feature it " on " structure can include that the first and second features are formed as the embodiment directly contacted, it is possible to To include the embodiment that other feature is formed between the first and second features, such first and second features may not It it is directly contact.

In describing the invention, it should be noted that unless otherwise prescribed and limit, term " is installed ", " being connected ", " connect " and should be interpreted broadly, for example, it may be mechanically connected or electrical connection, it is also possible to be the company of two element internals Logical, can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, for those of ordinary skill in the art Speech, can understand the concrete meaning of above-mentioned term as the case may be.

Below with reference to the accompanying drawings data transmission system and the data transmission method of the charging station of the embodiment of the present invention are described.

Fig. 2 is the block diagram of the data transmission system of charging station according to embodiments of the present invention.As in figure 2 it is shown, Charging station includes multiple charging pile 30.The data transmission system of this charging station includes home server 10 and data acquisition unit 20。

Data acquisition unit 20 for carrying out communication with home server 10, and data acquisition unit 20 respectively with multiple chargings Stake 30 communicates wirelessly.It is to say, have employed many-to-one between multiple charging piles 30 and data acquisition unit 20 The connection of wireless communication mode, wherein, multiple charging piles 30 can be used for being charged automobile, and it is defeated to receive user The command information entered, such as charging instruction, pick up the car instruction and consumption account etc..A preferred reality according to the present invention Executing example, after in multiple charging piles 30 is connected with automobile, the charging pile should being connected with automobile can receive user The consumption account of input, consumption account is sent to count by this charging pile by the wireless telecommunications between data acquisition unit 20 According to harvester 20, consumption account is sent to home server 10 by data acquisition unit 20 again, and home server 10 can be right Consumption account is verified, replys to data acquisition unit 20 and be proved to be successful information, data acquisition unit 20 after checking effectively Starting to charge up instruction receiving the rear of the information of being proved to be successful to corresponding charging pile transmission, this charging pile starts automobile Charging, afterwards, charging pile by will whether be connected with the communication between data acquisition unit 20 automobile, charging whether complete And the status information such as charge capacity is sent to data acquisition unit 20, afterwards, data acquisition unit 20 by with local service Charge capacity can be sent home server 10 by the communication between device 10, home server 10 according to charge capacity from disappearing Expense account deducts expense of charging accordingly.

As in figure 2 it is shown, multiple charging piles 30 can include n charging pile, i.e. charging pile 1, charging pile 2 ..., fill Electricity stake n, the corresponding multiple addresses of multiple charging piles 30, such as charging pile 1 corresponding address 1, charging pile 2 corresponding address 2 ..., Charging pile n corresponding address n.Data acquisition unit 20 is by carrying out channel radio with each charging pile in multiple charging piles 30 Interrogate to obtain the status information of each charging pile, and judge whether the status information of each charging pile is useful information, with And the status information (the most useful status information) that will be deemed as the charging pile of useful information is sent to local clothes Business device 10.It is to say, data acquisition unit 20 is for obtaining the status information of each charging pile, and status information is entered Row resolves and pretreatment is to judge that each status information, whether as useful information, if useful information, then needs to have It is sent to home server 10 by status information；If not being useful information, then need not be sent to home server 10, Directly status information can be stored in data acquisition unit 20.

Home server 10 judges whether to need to data acquisition unit 20 according to the status information of the charging pile received Send complex information back to.It is to say, home server 10 is used for receiving useful status information, and to this useful status information Carry out resolving and process to judge whether to send back complex information.

The return information received is sent to corresponding charging pile by data acquisition unit 20.It is to say, status information and All can comprise the address of charging pile in return information, data acquisition unit 20 will be for replying according to the address in return information Information is sent to corresponding charging pile.

It should be noted that data acquisition unit 20 can prestore uses information category table, if the status information pair received The classification answered in useful information category table, then judges that status information is useful information, for example, charge capacity, Consumption account information and charging complete information etc. can be all useful information.

It should be noted that, the useful information category table prestored in data acquisition unit 20 can be multiple, different charged states Corresponding different useful information category table, such as, before charging can a corresponding useful information category table, can be right in charging Answering a useful information category table, charging complete can a corresponding useful information category table.

It addition, according to a concrete example of the present invention, multiple charging piles 30 can be wall-mounted charging box.

As it has been described above, the status information that each charging pile sends is parsed by data acquisition unit 20, then judge each solution The status information separated out is the need of being sent to home server 10, and whether the most each status information parsed is useful Information, if useful information, is sent to home server 10 by corresponding useful status information the most again.Local service Device 10 judges whether to send back complex information according to the useful status information received, if sending back complex information, then will Return information is sent to data acquisition unit 20, data acquisition unit 20 resolution reply message, then return information is sent to phase The charging pile answered.

The data transmission system of the charging station proposed according to embodiments of the present invention, data acquisition unit 20 by with multiple chargings Each charging pile in stake 30 communicates wirelessly to obtain the status information of each charging pile 30, and will be deemed as Being sent to home server 10 by the status information of the charging pile of information, home server 10 is according to the charging pile received Status information judge whether to need to send back complex information to data acquisition unit 20, data acquisition unit 20 will receive Return information is sent to corresponding charging pile.Thus, compared with correlation technique, the embodiment of the present invention is by taking in this locality Increase data acquisition unit 20 between business device 10 and multiple charging pile 30, the pressure of home server, Duo Gechong can be alleviated The information of electricity stake is first carried out pretreatment by data acquisition unit, and home server only need to process data acquisition unit and send the letter of coming Breath, thus home server receives is all the information after processing via data acquisition unit, information is more accurately clear, And home server only needs communication between data acquisition unit, it is not necessary to each charging pile Direct Communication, can significantly letter Change the software function of home server, facilitate software design, and reduce the enforcement difficulty of hardware.

Such as the example of Fig. 3, data acquisition unit 20 can have the first wireless communication module 201, and multiple charging piles 30 have Corresponding multiple second wireless communication modules 301, the most each charging pile has second wireless communication module, such as, Charging pile 1 has the second wireless communication module 1, charging pile 2 has the second wireless communication module 2 ..., charging pile n There is the second wireless communication module n, multiple second wireless communication modules 301 respectively with the first wireless communication module 201 Carry out communication, i.e. data acquisition unit 20 and carry out communication by the first wireless communication module 201 with each charging pile, each Charging pile carries out communication with by data acquisition unit 20 respectively by the second wireless communication module.

A specific embodiment according to the present invention, as it is shown on figure 3, home server 10 and data acquisition unit 20 it Between by TCP/IP (Transmission Control Protocol/Internet Protocol, transmission control protocol/the Internet Interconnection protocol) agreement carries out communication, carries out wireless by Zigbee protocol between data acquisition unit 20 and each charging pile Communication.

It is to say, data acquisition unit 20 is connected with home server 10 by network interface.Data acquisition unit 20 has First wireless communication module 201 can be the micro-power wireless communication module using Zigbee protocol, and each charging pile has The second wireless communication module can be use Zigbee protocol micro-power wireless communication module.

It should be noted that Zigbee protocol is low-power consumption LAN protocol based on IEEE802.15.4 standard.

Carry out in detail combining a data handling procedure specifically carrying out the data transmission system to the embodiment of the present invention below Describing, concrete point of charging pile sends data and home server reply two process prescriptions of data.

The process that charging pile sends data is as follows:

A specific embodiment according to the present invention, data acquisition unit 20 sends detection signal to each charging pile, each Oneself state information is packed to generate charging pile shape after receiving detection signal by charging pile according to charging pile agreement State information packet, and charging pile state information data packet is sent to data acquisition unit 20, data acquisition unit 20 basis The charging pile state information data packet that each charging pile is sent by corresponding charging pile agreement resolves to obtain each filling The status information of electricity stake.

It is to say, data acquisition unit 20 can to corresponding multiple charging piles 30 broadcast detection signal, the most cyclically to Each charging pile sends detection signal, such as first sends detection signal to charging pile 1, then sends detection to charging pile 2 Signal ..., after send detection signal to charging pile n, afterwards, again start to send detection signal from charging pile 1. After each charging pile receives detection signal, first by the current state information of self with charging pile protocol packing as charging pile State information data packet, then by the second wireless communication module, charging pile state information data packet is sent to data acquisition Device 20.Data acquisition unit 20 will receive charging pile state information data packet by the first wireless communication module, and according to filling Electricity stake protocol analysis goes out the specifying information that charging pile sends, and so can obtain the status information of each charging pile.

During it should be noted that communicate wirelessly with Zigbee protocol between data acquisition unit 20 and each charging pile, Charging pile agreement can be Zigbee protocol.

Further, according to a specific embodiment of the present invention, data acquisition unit 20 according to server protocol to judgement Status information for the charging pile of useful information carries out packing to generate useful information packet, and by useful information data Bag is sent to home server 10.

It is to say, data acquisition unit 20 is after the status information received, it may be judged whether need to send to local clothes The most whether business device 10, be useful information, if status information needs to send to home server 10, then and data acquisition unit This useful status information is packaged as useful information packet with corresponding server protocol by 20, and to home server 10 Transmission useful information packet；If status information need not send to home server 10, then data acquisition unit 20 Status information is carried out from processing.

During it should be noted that carry out communication with ICP/IP protocol between data acquisition unit 20 and home server 10, Server protocol can be ICP/IP protocol.

Further, according to a specific embodiment of the present invention, home server 10 according to server protocol to having Carry out resolving by information packet and process to judge whether to need to send back complex information to data acquisition unit 20 with data.

It is to say, home server 10 is after receiving the useful information packet that data acquisition unit 20 sends, Packet is resolved by home server 10 according to server protocol, and the status information to the charging pile parsed Carry out data process, to judge whether to need to send back complex information.Specifically, the status information of charging pile can comprise Reply request, if home server 10 judges to comprise reply request, then send back complex information；If home server 10 judge not comprise reply request, the most do not send back complex information.

The process prescription that home server replys data is as follows:

According to another specific embodiment of the present invention, return information is carried out by home server 10 according to server protocol Packing is to generate return information packet, and return information packet is sent to data acquisition unit 20.

It is to say, home server 10 receive comprise reply request status information to rear, by return information with Server protocol is packaged as return information packet, and is sent to data acquisition unit 20.

More one step ground, according to another specific embodiment of the present invention, data acquisition unit 20 docks according to server protocol The return information packet received carries out resolving to obtain return information, and judges that return information is the most corresponding for being sent to The data of charging pile, and pack to generate to the data being sent to corresponding charging pile according to charging pile agreement Charging pile packet, and charging pile packet is sent to corresponding charging pile.

It is to say, after data acquisition unit 20 receives the return information packet that home server 10 sends, logical Cross server protocol and parse concrete return information, and return information is carried out data process, to judge return information The need of being sent to corresponding charging pile, i.e. judge whether return information comprises transmission request, if it is, number According to harvester 20 by return information with charging pile protocol packing for charging pile packet and by the first wireless communication module wide Broadcast and send；If it is not, then data acquisition unit 20 is carried out from processing.Each charging pile is connect by the second wireless communication module After receiving the charging pile packet of broadcast, it may be judged whether for the address in charging pile packet and self address whether Unanimously, if unanimously, then receive this charging pile packet, and with charging pile agreement, charging pile packet is resolved And make respective handling；If it is inconsistent, do not receive this charging pile packet, data acquisition unit 20 continues broadcast and sends out Send charging pile packet.

Below to home server 10, data acquisition unit 20 in the data transmission system of the charger of the embodiment of the present invention It is described in detail with the specific works process of multiple charging piles 30.

According to another embodiment of the invention, multiple charging piles 30 may make up at least one charger, and charger is permissible For three-dimensional cycle charging machine.Wherein, when a charging pile in charger is vehicle charging, above-mentioned data pass The transmitting procedure that communication system realizes data is as follows:

If automobile is connected to the charging gun that this charging pile is corresponding, this charging pile sends to data acquisition unit 20 and plugs in rifle signal； When data acquisition unit 20 receives the charging brush card signal of the plug in rifle signal recharged card corresponding with automobile at the same time, to this locality Server 10 sends verification command；Home server 10 is corresponding to the automobile received after receiving verification command The information of recharged card is verified, and the information that will be proved to be successful after being proved to be successful is sent to data acquisition unit 20；Data Harvester 20 sends charge command to this charging pile after receiving the information of being proved to be successful；This charging pile is receiving charging Start to vehicle charging after order.

It is to say, when user needs vehicle charging, first have to carry out plugging in rifle, will be accordingly on charging pile Charging gun is connected with the charging end of automobile, and after charging gun and automobile are successfully connected, this charging pile can be to corresponding data Harvester 20 sends plugs in rifle signal, and then user's brush recharged card in card machine, now, card chance is to these corresponding data Harvester 20 sends charging brush card signal.If this corresponding data acquisition unit 20 receives only plug in rifle signal or only Receive charging brush card signal, then this corresponding data acquisition unit 20 is left intact；If this corresponding data acquisition Storage 20 is simultaneously received plug in rifle signal and charging brush card signal, then can send verification command to home server 10. The information of the recharged card receiving this automobile is verified after receiving verification command by home server 10, if filled Electricity card information is proved to be successful, then home server 10 will be proved to be successful information and be sent to this corresponding data acquisition unit 20； If recharged card Information Authentication failure, then this automobile cannot charge.This corresponding data acquisition unit 20 is receiving this locality After what server 10 fed back is proved to be successful information, sending charge command to corresponding charging pile, corresponding charging pile receives After the charge command that data acquisition unit 20 is sent, start to be charged to automobile.

Further, when data acquisition unit 20 receive the recharging of recharged card corresponding to automobile swipe the card signal time, send knot Bundle charge command gives this charging pile, and sends checkout order to home server；Home server 10 is receiving checkout Generate consumption information after order, and consumption information is sent to data acquisition unit 20, will be disappeared by data acquisition unit 20 Charge information is transmitted to this charging pile, and home server 10 also preserves the data of this record of charging；This charging pile is receiving Stop to vehicle charging after complete charge order, and show consumption information.

Specifically, when this automobile is fully charged, in needs card machine in data transmission system, recharged card of brush comes again Complete charge, when data acquisition unit 20 receive the recharging of recharged card corresponding to this automobile swipe the card signal time, data Harvester 20 sends complete charge order to this charging pile, and sends checkout order to home server 10, by this locality After server 10 generates consumption information, being sent to this charging pile by data acquisition unit 20, this charging pile receives and arrives Stop after the complete charge order of data acquisition unit 20 to vehicle charging, and the consumption that home server 10 is generated Information is shown to user.Additionally, home server 10 is receiving after checkout is ordered also by the number of this record of charging According to being saved in data base, in order to inquire about later.

Further, when charger is three-dimensional cycle charging machine, charger also includes elevator, home server 10 are additionally operable to be respectively processed to generate the result of each charging pile to the status information of each charging pile, and will The result of each charging pile is sent to data acquisition unit 20, and data acquisition unit 20 is additionally operable to according to each charging pile Result sends shift signal to elevator, shifts accordingly controlling elevator.

I.e. saying, elevator and data acquisition unit 20 carry out the shift signal that communication sends with reception data acquisition unit 20, Elevator moves, according to the shift signal received, the position that parking stall corresponding to each charging pile is wanted to user.Concrete and Speech, data acquisition unit 20 receives parking stall corresponding to each charging pile carless signal, and according to each charging pile pair The parking stall answered has the instruction of carless signal and user to generate shift signal, and shift signal is sent to lifting the most again Machine goes to perform shifting function.Such as, when parking stall corresponding to any one charging pile in multiple charging piles 30 is without automobile, Data acquisition unit 20 can generate one according to the instruction of user and this carless parking stall is moved to three-dimensional cycle charging machine The shift signal of bottom preset position, and this shift signal is sent to elevator, elevator is by this carless parking stall Move to the bottom preset position of three-dimensional cycle charging machine.

Further, the data management system of charger also includes Car license recognition device, Car license recognition device and data acquisition Device 20 carries out communication, and Car license recognition device is for reading the license plate number of the automobile being charged, and the automobile that will be charged License plate number be sent to data acquisition unit 20, data acquisition unit 20 by the license plate number of automobile that is charged with to this automobile The charging pile of charging is associated and (is such as bound the address of license plate number and charging pile, so can make the position of charging pile Putting is i.e. the position of automobile), to be shown the position of the automobile being charged by the display of charger.I.e. say, number According to harvester 20 also by netting twine for example with ICP/IP protocol connect Car license recognition device, can be accurately obtained into The license plate number of the automobile of row charging, facilitates user to know where the automobile of oneself is charging.

Embodiments of the invention also proposed a kind of charging station, and it includes the data transmission system of above-mentioned charging station.

Based on above-described embodiment, the invention allows for the data transmission method of a kind of charging station.

Fig. 4 is the flow chart of the data transmission method of charging station according to embodiments of the present invention.As shown in Figure 4, this fills The data transmission method in power station comprises the following steps:

S1: data acquisition unit is by communicating wirelessly to obtain each charging with each charging pile in multiple charging piles The status information of stake, and judge whether the status information of each charging pile is useful information.

It is to say, have employed the connection of many-to-one wireless communication mode between multiple charging piles and data acquisition unit, Wherein, multiple charging piles can be additionally used in and are charged automobile, and receive the command information of user's input, such as, charge Instruction, pick up the car instruction and consumption account etc..

A concrete example according to the present invention, multiple charging piles can be wall-mounted charging box.

Wherein, according to a concrete example of the present invention, multiple charging piles 30 can include n charging pile, i.e. charging pile 1, charging pile 2 ..., charging pile n, the corresponding multiple addresses of multiple charging piles 30, such as charging pile 1 corresponding address 1, Charging pile 2 corresponding address 2 ..., charging pile n corresponding address n.

The status information of the charging pile that S2: data acquisition unit will be deemed as useful information is sent to home server.

It is to say, data acquisition unit is for obtaining the status information of each charging pile, and status information is resolved With pretreatment to judge that each status information, whether as useful information, if useful information, then needs useful state Information is sent to home server；If not being useful information, then need not be sent to home server, can directly by Status information is stored in data acquisition unit.

S3: home server judges whether to need to send to data acquisition unit according to the status information of the charging pile received Return information.

It is to say, home server is used for receiving useful status information, and carry out this useful status information resolving and Process to judge whether to send back complex information.

The return information received is sent to corresponding charging pile by S4: data acquisition unit.

It is to say, all can comprise the address of charging pile in status information and return information, data acquisition unit is used for basis Return information is sent to corresponding charging pile by the address in return information.

In addition, it is necessary to explanation, data acquisition unit can prestore uses information category table, if the state letter received The classification of breath correspondence in useful information category table, then judges that status information is useful information, for example, charged electrical Amount, consumption account information and charging complete information etc. can be all useful information.

It should be noted that, the useful information category table prestored in data acquisition unit can be multiple, different charged states pair Should different useful information category table, such as, before charging can a corresponding useful information category table, can be corresponding in charging One useful information category table, charging complete can a corresponding useful information category table.

As it has been described above, the status information that each charging pile sends is parsed by data acquisition unit, then judge each parsing Whether the status information gone out is sent to home server for needs, and whether the most each status information parsed is useful letter Breath, if useful information, is sent to home server by corresponding useful status information the most again.Home server root Judging whether to send back complex information according to the useful status information received, if sending back complex information, then reply being believed Breath is sent to data acquisition unit, data acquisition unit resolution reply message, then return information is sent to corresponding charging pile.

As it is shown in figure 5, the data transmission system of charging station comprises the following steps according to an embodiment of the invention:

S101: data acquisition unit broadcasts detection information to multiple charging piles.

After S102: charging pile receives detection information, oneself state information is sent to data acquisition unit.

S103: data acquisition unit judges whether to need to be sent to home server.If it is, perform step S103； If it is not, then perform step S104.

S104: data acquisition unit is sent to home server by needing the status information being sent to home server.

A specific embodiment according to the present invention, is entered by ICP/IP protocol between home server and data acquisition unit Row communication, is communicated wirelessly by Zigbee protocol between data acquisition unit and each charging pile.

It is to say, data acquisition unit is connected with home server by network interface.It is first wireless that data acquisition unit has Communication module can be the micro-power wireless communication module using Zigbee protocol, the second channel radio that each charging pile has News module can be the micro-power wireless communication module using Zigbee protocol.

The process that charging pile sends data is as follows:

A specific embodiment according to the present invention, status information i.e. step S1 obtaining each charging pile specifically includes: Data acquisition unit sends detection signal to each charging pile；Each charging pile receive detection signal after according to charging pile Oneself state information is packed to generate charging pile state information data packet by agreement, and by charging pile status information number It is sent to data acquisition unit according to bag；The charging that each charging pile is sent by data acquisition unit according to corresponding charging pile agreement Stake state information data packet carries out the status information resolving to obtain each charging pile.

It is to say, data acquisition unit the most cyclically can fill to each to corresponding multiple charging piles broadcast detection signal Electricity stake sends detection signal, such as first sends detection signal to charging pile 1, then sends detection signal to charging pile 2 ..., Send detection signal to charging pile n after, afterwards, again start to send detection signal from charging pile 1.Each charging After staking receives detection signal, first by the current state information of self with charging pile protocol packing for charging pile status information Packet, then by the second wireless communication module, charging pile state information data packet is sent to data acquisition unit.Data Harvester receives charging pile state information data packet, and goes out, according to charging pile protocol analysis, the specifying information that charging pile sends, So can obtain the status information of each charging pile.

During it should be noted that communicate wirelessly with Zigbee protocol between data acquisition unit and each charging pile, Charging pile agreement can be Zigbee protocol.

Further, according to a specific embodiment of the present invention, data acquisition unit will be deemed as the charging of useful information Stake status information be sent to home server i.e. step S2 particularly as follows: data acquisition unit according to server protocol to judgement Status information for the charging pile of useful information carries out packing to generate useful information packet, and by useful information data Bag is sent to home server.

It is to say, data acquisition unit is after the status information received, it may be judged whether need to send to local service The most whether device, be useful information, if status information needs to send to home server, then data acquisition unit is with correspondence Server protocol this useful status information is packaged as useful information packet, and useful to the transmission of home server Information packet；If status information need not send to home server, then status information is carried out by data acquisition unit From process.

During it should be noted that carry out communication with ICP/IP protocol between data acquisition unit and home server, service Device agreement can be ICP/IP protocol.

Further, according to a specific embodiment of the present invention, home server according to server protocol to useful Information packet carries out resolving with data process to judge whether to need to send back complex information to data acquisition unit.

It is to say, home server is after receiving the useful information packet that data acquisition unit sends, to this locality Packet is resolved by server according to server protocol, and the status information of the charging pile parsed is carried out data Process, to judge whether to need to send back complex information.Specifically, the status information of charging pile can comprise reply request, If home server judges to comprise reply request, then send back complex information；If home server judges not comprise back Multiple request, does not the most send back complex information.

Specifically, as shown in Figure 6, in the data transmission system of charging station according to embodiments of the present invention, charging pile is sent out The process sending data specifically includes following steps:

S201: data acquisition unit detects signal by ZigBee wireless communication mode to the broadcast of multiple charging piles.

After S202: charging pile recognizes detection signal, it is charging pile state information data packet by oneself state information package After be sent to data acquisition unit.

S203: data acquisition unit by ZigBee wireless communication mode receive charging pile state information data packet, and with Charging pile state information data packet is resolved by Zigbee protocol.

S204: whether the status information of the charging pile that judgement parses is useful information.If it is, perform step S205； If it is not, then perform step S207.

S205: data acquisition unit is sent to after useful status information is packaged as useful information packet with server protocol Home server.

Useful information packet is resolved by S206: home server with server protocol, and carry out data process with Judge whether to need to send back complex information to data acquisition unit, terminate.

S207: data acquisition unit carries out, from processing, returning step S201.

The process prescription that home server replys data is as follows:

According to another specific embodiment of the present invention, return information is carried out beating by home server according to server protocol Bag is to generate return information packet, and return information packet is sent to data acquisition unit.

It is to say, after home server receives the status information comprising the request of reply, by return information with clothes Business device protocol packing is return information packet, and is sent to data acquisition unit.

More one step ground, according to another specific embodiment of the present invention, the return information received is sent out by data acquisition unit Give corresponding charging pile i.e. step S4 particularly as follows: data acquisition unit is according to the server protocol return information to receiving Packet carries out resolving to obtain return information；Data acquisition unit judges that whether return information is for being sent to charge accordingly The data of stake；The data being sent to corresponding charging pile are packed to generate by data acquisition unit according to charging pile agreement Charging pile packet；Charging pile packet is sent to corresponding charging pile by data acquisition unit.

It is to say, after data acquisition unit receives the return information packet that home server sends, by service Device protocol analysis goes out concrete return information, and return information is carried out data process, to judge whether return information needs It is sent to corresponding charging pile, i.e. judges whether return information comprises transmission request, if it is, data acquisition Return information for charging pile packet and is passed through the first wireless communication module broadcast transmission with charging pile protocol packing by device； If it is not, then data acquisition unit is carried out from processing.Each charging pile receives broadcast by the second wireless communication module After charging pile packet, it may be judged whether the most consistent with the address of self for the address in charging pile packet, if Unanimously, then receive this charging pile packet, and with charging pile agreement, charging pile packet is resolved and makes accordingly Process；If it is inconsistent, do not receive this charging pile packet, data acquisition unit continues broadcast transmission charging pile data Bag.

Specifically, as it is shown in fig. 7, receive the status information comprising the request of reply from home server from the beginning of, root The process replying data according to home server in the data transmission system of the charging station of the embodiment of the present invention specifically includes following Step:

After return information is packaged as return information packet with server protocol by S301: home server, reply is believed Breath packet is sent to data acquisition unit.

The return information packet received is resolved to obtain return information by S302: data acquisition unit.

S303: data acquisition unit judges whether return information is the data being sent to corresponding charging pile.If it is, Perform step S304；If it is not, then perform step S306.

S304: data acquisition unit by the data of corresponding charging pile with charging pile protocol packing for charging pile packet, and Charging pile packet is broadcasted to multiple charging piles.

S305: after corresponding charging pile receives charging pile packet, with charging pile agreement, charging pile packet is entered Row resolves, and terminates.

S306: data acquisition unit carries out, from processing, terminating.

Below to home server in the data transmission system of the charger of the embodiment of the present invention, data acquisition unit and multiple The specific works process of charging pile is described in detail.

According to another embodiment of the invention, multiple charging piles constitute at least one charger, and charger is three-dimensional Cycle charging machine, wherein, when a charging pile in charger is vehicle charging, if automobile is connected to this charging The charging gun that stake is corresponding, this charging pile sends to data acquisition unit and plugs in rifle signal；Data acquisition unit receives slotting at the same time During the charging brush card signal of the recharged card that rifle signal is corresponding with automobile, send verification command to home server；Local clothes The information of the recharged card that business device is corresponding to the automobile received after receiving verification command is verified, and is verifying into The information that will be proved to be successful after merit is sent to data acquisition unit；Data acquisition unit sends after receiving the information of being proved to be successful and fills Electricity order is to this charging pile；This charging pile starts to vehicle charging after receiving charge command.

It is to say, when user needs vehicle charging, first have to carry out plugging in rifle, will be accordingly on charging pile Charging gun is connected with the charging end of automobile, and after charging gun and automobile are successfully connected, this charging pile can be to corresponding data Harvester sends plugs in rifle signal, and then user's brush recharged card in card machine, now, card chance is to this corresponding data acquisition Storage sends charging brush card signal.If this corresponding data acquisition unit receives only plug in rifle signal or receive only and fills Brush card signal, then this corresponding data acquisition unit is left intact；If this corresponding data acquisition unit connects simultaneously Receive plug in rifle signal and charging brush card signal, then can send verification command to home server.Home server is receiving After verification command, the information of the recharged card receiving this automobile is verified, if recharged card Information Authentication success, Then home server will be proved to be successful information and be sent to this corresponding data acquisition unit；If recharged card Information Authentication failure, Then this automobile cannot charge.This corresponding data acquisition unit receive home server feedback be proved to be successful information after, Charge command is sent to corresponding charging pile, after corresponding charging pile receives the charge command that data acquisition unit is sent, Start to be charged to automobile.

Further, when data acquisition unit receive the recharging of recharged card corresponding to automobile swipe the card signal time, transmission terminates Charge command gives this charging pile, and sends checkout order to home server；Home server is receiving checkout order Rear generation consumption information, and consumption information is sent to data acquisition unit, consumption information to be turned by data acquisition unit Issuing this charging pile, home server also preserves the data of this record of charging；This charging pile is receiving complete charge Stop to vehicle charging after order, and show consumption information.

Specifically, when this automobile is fully charged, in needs card machine in data transmission system, recharged card of brush comes again Complete charge, when data acquisition unit receive the recharging of recharged card corresponding to this automobile swipe the card signal time, data acquisition Storage sends complete charge order to this charging pile, and sends checkout order to home server, home server give birth to After becoming consumption information, being sent to this charging pile by data acquisition unit, this charging pile receives from data acquisition unit Stop after complete charge order to vehicle charging, and the consumption information that home server generates is shown to user.Additionally, The data of this record of charging are also saved in data base after receiving checkout order by home server, in order to Rear inquiry.

Further, when charger is three-dimensional cycle charging machine, charger also includes elevator, and these data are transmitted Method also includes: home server also status information to each charging pile is respectively processed to generate each charging pile Result, and the result of each charging pile is sent to data acquisition unit；Data acquisition unit is always according to each The result of charging pile sends shift signal to elevator, shifts accordingly controlling elevator.

I.e. saying, elevator and data acquisition unit carry out communication to receive the shift signal that data acquisition unit sends, elevator The position that parking stall corresponding to each charging pile is wanted is moved to user according to the shift signal received.Specifically, number Receive parking stall corresponding to each charging pile according to harvester and have a carless signal, and according to parking stall corresponding to each charging pile The instruction having carless signal and user generates shift signal, shift signal is sent to elevator the most again and goes to perform Shifting function.Such as, when parking stall corresponding to any one charging pile in multiple charging piles is without automobile, data acquisition Device can generate a bottom preset position that this carless parking stall moves to three-dimensional cycle charging machine according to the instruction of user The shift signal put, and this shift signal is sent to elevator, this carless parking stall is moved to three-dimensional by elevator The bottom preset position of cycle charging machine.

Further, the data management system of charger also includes Car license recognition device, Car license recognition device and data acquisition Storage carries out communication, and this data transmission method also includes: Car license recognition device reads the license plate number of the automobile being charged, And the license plate number of the automobile being charged is sent to data acquisition unit；The car of automobile that data acquisition unit will be charged The trade mark is associated with to the charging pile of this vehicle charging and (is such as bound the address of license plate number and charging pile, so Can make the position of charging pile is i.e. the position of automobile), to be shown the automobile that is charged by the display of charger Position.I.e. saying, data acquisition unit connects Car license recognition device also by netting twine for example with ICP/IP protocol, can be accurate Get the license plate number of the automobile being charged, facilitate user to know where the automobile of oneself is charging.

In flow chart or at this, any process described otherwise above or method description are construed as, and expression includes One or more is for realizing the module of code of executable instruction of step of specific logical function or process, fragment Or part, and the scope of the preferred embodiment of the present invention includes other realization, wherein can not by shown or The order discussed, including according to involved function by basic mode simultaneously or in the opposite order, performs function, This should be understood by embodiments of the invention person of ordinary skill in the field.

Represent in flow charts or the logic described otherwise above at this and/or step, for example, it is possible to be considered as to use In the sequencing list of the executable instruction realizing logic function, may be embodied in any computer-readable medium, For instruction execution system, device or equipment (system such as computer based system, including processor or other can With from instruction execution system, device or equipment instruction fetch the system performing instruction) use, or combine these instructions and hold Row system, device or equipment and use.For the purpose of this specification, " computer-readable medium " can be any can comprise, Storage, communication, propagation or transmission procedure are for instruction execution system, device or equipment or combine these instructions and perform system System, device or equipment and the device that uses.More specifically example (non-exhaustive list) bag of computer-readable medium Include following: there is the electrical connection section (electronic installation) of one or more wiring, portable computer diskette box (magnetic device), Random access memory (RAM), read only memory (ROM), erasable edit read only memory (EPROM Or flash memory), fiber device, and portable optic disk read only memory (CDROM).It addition, computer Computer-readable recording medium can even is that paper or other the suitable media that can print described program thereon, because can be the most logical Cross and paper or other media are carried out optical scanning, then carry out editing, interpret or carrying out with other suitable methods if desired Process and electronically obtain described program, be then stored in computer storage.

Should be appreciated that each several part of the present invention can realize by hardware, software, firmware or combinations thereof.Upper Stating in embodiment, multiple steps or method in memory and can be performed by suitable instruction execution system with storage Software or firmware realize.Such as, if realized with hardware, with the most the same, can use this Any one or their combination in following technology known to field realize: have for data signal is realized logic The discrete logic of the logic gates of function, has the special IC of suitable combination logic gate circuit, can Programming gate array (PGA), field programmable gate array (FPGA) etc..

Those skilled in the art are appreciated that and realize all or part of step that above-described embodiment method is carried The program that can be by completes to instruct relevant hardware, and described program can be stored in a kind of computer-readable storage In medium, this program upon execution, including one or a combination set of the step of embodiment of the method.

Additionally, each functional unit in each embodiment of the present invention can be integrated in a processing module, it is also possible to It is that unit is individually physically present, it is also possible to two or more unit are integrated in a module.Above-mentioned integrated Module both can realize to use the form of hardware, it would however also be possible to employ the form of software function module realizes.Described integrated If module realize using the form of software function module and as independent production marketing or when using, it is also possible to storage In a computer read/write memory medium.

Storage medium mentioned above can be read only memory, disk or CD etc..

In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show Example " or the description of " some examples " etc. means to combine this embodiment or example describes specific features, structure, material or Person's feature is contained at least one embodiment or the example of the present invention.In this manual, the signal to above-mentioned term Property statement be not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or Feature can combine in any one or more embodiments or example in an appropriate manner.

Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, permissible Understand these embodiments can be carried out without departing from the principles and spirit of the present invention multiple change, amendment, Replacing and modification, the scope of the present invention is limited by claims and equivalent thereof.

Claims

1. the data transmission system of a charging station, it is characterised in that charging station includes multiple charging pile, described data Transmission system includes that home server and described home server carry out the data acquisition unit of communication and described number Communicate wirelessly with the plurality of charging pile respectively according to harvester, wherein,

Described data acquisition unit is by communicating wirelessly to obtain described with each charging pile in the plurality of charging pile The status information of each charging pile, and judge whether the status information of described each charging pile is useful information, and will It is judged as that the status information of the charging pile of useful information is sent to described home server；

Described home server judges whether to need to described data acquisition unit according to the status information of the charging pile received Send back complex information；

The described return information received is sent to corresponding charging pile by described data acquisition unit.

2. the data transmission system of charging station as claimed in claim 1, it is characterised in that described data acquisition unit to Described each charging pile send detection signal, described each charging pile after receiving described detection signal according to charging pile Oneself state information is packed to generate charging pile state information data packet by agreement, and described charging pile state is believed Breath packet is sent to described data acquisition unit, described data acquisition unit according to corresponding described charging pile agreement to institute State the described charging pile state information data packet that each charging pile sends and carry out the shape that resolves to obtain described each charging pile State information.

3. the data transmission system of charging station as claimed in claim 1 or 2, it is characterised in that described data acquisition The status information of the described charging pile being judged as useful information is packed to generate useful letter by device according to server protocol Breath packet, and described useful information packet is sent to described home server.

4. the data transmission system of charging station as claimed in claim 3, it is characterised in that described home server root According to described server protocol described useful information packet resolved and data process to judge whether to need to described Data acquisition unit sends described return information.

5. the data transmission system of charging station as claimed in claim 4, it is characterised in that described home server root According to described server protocol, described return information packs to generate return information packet, and reply letter by described Breath packet is sent to described data acquisition unit.

6. the data transmission system of charging station as claimed in claim 5, it is characterised in that described data acquisition unit root According to described server protocol, the described return information packet received is resolved to obtain described return information, and Judge whether described return information is the data being sent to corresponding charging pile, and according to charging pile agreement to described The data giving corresponding charging pile carry out packing to generate charging pile packet, and are sent by described charging pile packet To corresponding charging pile.

7. the data transmission system of charging station as claimed in claim 1, it is characterised in that described home server with Carry out communication by ICP/IP protocol between described data acquisition unit, described data acquisition unit and described each charging pile it Between communicated wirelessly by Zigbee protocol.

8. the data transmission system of the charging station as according to any one of claim 1-7, it is characterised in that described many Individual charging pile constitutes at least one charger, and described charger is three-dimensional cycle charging machine, wherein, in described charging When a charging pile in machine is vehicle charging,

If described automobile is connected to the charging gun that this charging pile is corresponding, described data acquisition unit receives this charging pile and sends Plug in rifle signal；

Described data acquisition unit receives the charging of the described plug in rifle signal recharged card corresponding with described automobile at the same time and swipes the card During signal, send verification command to described home server；

The letter of the recharged card that described home server is corresponding to the described automobile received after receiving described verification command Breath is verified, and the information that will be proved to be successful after being proved to be successful is sent to described data acquisition unit；

Described data acquisition unit sends charge command to this charging pile after being proved to be successful information described in receiving；

This charging pile starts to described vehicle charging after receiving described charge command.

9. the data transmission system of charging station as claimed in claim 8, it is characterised in that

When described data acquisition unit receive the recharging of recharged card corresponding to described automobile swipe the card signal time, send knot Bundle charge command gives this charging pile, and sends checkout order to described home server；

Described home server generates consumption information after receiving described checkout order, and described consumption information is sent To described data acquisition unit, by described data acquisition unit described consumption information is transmitted to this charging pile, described Ground server also preserves the data of this record of charging；

This charging pile stops to described vehicle charging after receiving described complete charge order, and shows described consumption letter Breath.

10. the data transmission system of charging station as claimed in claim 8, it is characterised in that when described charger is During three-dimensional cycle charging machine, described charger also includes that elevator, described home server are additionally operable to each charging The status information of stake is respectively processed to generate the result of described each charging pile, and by described each charging pile Result be sent to described data acquisition unit, described data acquisition unit is additionally operable to the place according to described each charging pile Reason result sends shift signal to described elevator, shifts accordingly controlling described elevator.

The data management system of 11. chargers as claimed in claim 8, it is characterised in that also include Car license recognition Device, described Car license recognition device and described data acquisition unit carry out communication, and described Car license recognition device is charged for reading The license plate number of automobile, and the license plate number of the described automobile being charged is sent to described data acquisition unit, described number According to harvester, the license plate number of the described automobile being charged is associated with to the charging pile of this vehicle charging, to pass through State the display of charger show described in the position of automobile that is charged.

12. 1 kinds of charging stations, it is characterised in that include the number of charging station as according to any one of claim 1-11 According to transmission system.

The data transmission method of 13. 1 kinds of charging stations, it is characterised in that comprise the following steps:

Data acquisition unit is by communicating wirelessly to obtain described each charging with each charging pile in multiple charging piles The status information of stake, and judge whether the status information of described each charging pile is useful information；

The status information of the charging pile that described data acquisition unit will be deemed as useful information is sent to home server；

The data transmission method of 14. charging stations as claimed in claim 13, it is characterised in that obtain described each fill The status information of electricity stake, specifically includes:

Described data acquisition unit sends detection signal to described each charging pile；

Oneself state information is carried out beating after receiving described detection signal by described each charging pile according to charging pile agreement Bag is to generate charging pile state information data packet, and described charging pile state information data packet is sent to described data acquisition Storage；

The described charging pile that described each charging pile is sent by described data acquisition unit according to corresponding described charging pile agreement State information data packet carries out the status information resolving to obtain described each charging pile.

The data transmission method of 15. charging stations as described in claim 13 or 14, it is characterised in that described data The status information of the charging pile that harvester will be deemed as useful information is sent to home server, particularly as follows:

The status information of the described charging pile being judged as useful information is carried out by described data acquisition unit according to server protocol Packing is to generate useful information packet, and described useful information packet is sent to described home server.

The data transmission method of 16. charging stations as claimed in claim 15, it is characterised in that described home server According to described server protocol described useful information packet resolved and data process to judge whether to need to institute State data acquisition unit and send described return information.

The data transmission method of 17. charging stations as claimed in claim 16, it is characterised in that described home server According to described server protocol, described return information packs to generate return information packet, and by described reply Information packet is sent to described data acquisition unit.

The data transmission method of 18. charging stations as claimed in claim 17, it is characterised in that described data acquisition unit The described return information received is sent to corresponding charging pile, particularly as follows:

Described data acquisition unit according to described server protocol the described return information packet received resolved with Obtain described return information；

Described data acquisition unit judges whether described return information is the data being sent to corresponding charging pile；

The described data being sent to corresponding charging pile are packed with life by described data acquisition unit according to charging pile agreement Become charging pile packet；

Described charging pile packet is sent to corresponding charging pile by described data acquisition unit.

The data transmission method of 19. charging stations as claimed in claim 13, it is characterised in that described home server And carry out communication, described data acquisition unit and described each charging pile by ICP/IP protocol between described data acquisition unit Between communicated wirelessly by Zigbee protocol.

The data transmission method of 20. charging stations as according to any one of claim 13-19, it is characterised in that described Multiple charging piles constitute at least one charger, and described charger is three-dimensional cycle charging machine, wherein, fills described When a charging pile in motor is vehicle charging,

If described automobile is connected to the charging gun that this charging pile is corresponding, this charging pile sends to described data acquisition unit and inserts Rifle signal；

The data transmission method of 21. charging stations as claimed in claim 20, it is characterised in that

The data transmission method of 22. charging stations as claimed in claim 20, it is characterised in that when described charger is During three-dimensional cycle charging machine, described charger also includes that elevator, described data transmission method also include:

Described home server also status information to each charging pile is respectively processed to generate described each charging pile Result, and the result of described each charging pile is sent to described data acquisition unit；And

Described data acquisition unit sends shift signal always according to the result of described each charging pile to described elevator, Shift accordingly with the described elevator of control.

The data transmission method of 23. charging stations as claimed in claim 20, it is characterised in that described charger Data management system also includes Car license recognition device, and described Car license recognition device and described data acquisition unit carry out communication, described Data transmission method also includes:

Described Car license recognition device reads the license plate number of the automobile being charged, and by the car plate of the described automobile being charged Number it is sent to described data acquisition unit；And

Described data acquisition unit is by relevant to the charging pile of this vehicle charging for the license plate number of the described automobile being charged Connection, with the display by described charger show described in the position of automobile that is charged.