Embodiment
In describing below, in order to illustrate rather than in order to limit, it is proposed that such as tool of particular system structure, technology etcBody details, thoroughly to understand the utility model embodiment.However, it will be clear to one skilled in the art that there is no theseThe utility model can also be realized in the other embodiments of detail.In other situations, omit to well-known system,The detailed description of device, circuit and method, in case unnecessary details hinders description of the present utility model.
In order to illustrate the technical solution of the utility model, illustrated below by specific embodiment.
Accompanying drawing 1-a is the schematic diagram for the control system of heliostat that the utility model embodiment provides, mainly including middle schemingCalculation machine 101, gateway 102 and at least one heliostat node 103, wherein, each heliostat node 103 include heliostat body andThe controller 104 being arranged on heliostat body.The system of Fig. 1-a examples connects in hub-and-spoke configuration, i.e., some gateways 102 are withHeart computer 101 is connected, and several heliostat nodes 103 are connected under a gateway 102, as shown in accompanying drawing 1-b, is described in detail such asUnder：
Central computer 101, for being interacted by gateway 102 with the controller 104 on heliostat body.
Gateway 102, it is connected with central computer 101, for being interacted between retransmission center computer 101 and controller 104Information.
It should be noted that in the utility model embodiment, gateway 102 can use wired side with central computer 101Formula connects or wireless mode connection；Connected between central computer 101 and gateway 102 by Ethernet.
Controller 104, and the wireless connection of gateway 102, for being interacted by gateway 102 with central computer 101.
In the utility model embodiment, controller 104 can be the electric machine controller of customization, and it includes servo-drive system,Can normal reliable it be run under various bad weathers.Handed between gateway 102 and heliostat node 103 with LoRa WAN agreementsMutually, the information that central computer 101 is sent is issued to heliostat node 103, passed through by the heliostat in heliostat node 103Information is transmitted to controller 104 by serial ports RS232 or RS485, or, the information that the controller 104 of heliostat node 103 is sentIt is uploaded to central computer 101.One gateway 102 can connect 5000 heliostat nodes 103.In view of backup requirements, 10The gateway 102 of left and right is the networking requirements that can reach hub-and-spoke configuration.
It should be noted that in the utility model embodiment, although heliostat node 103 is connected to central computer101, but heliostat node 103 can offline operation, i.e. each individually heliostat node 103, under unfaulty conditions, withoutThe manipulation of central computer 101, you can the position that offline operation to algorithm calculates, the automatic tracing to the sun is realized, in this way, canTo substantially reduce the control pressure of central computer 101, the stability of heliostat mirror field system is improved.
It was found from the control system of heliostat of above-mentioned accompanying drawing 1-a examples, due to the controller being arranged on heliostat bodyIt is wirelessly to be connected with gateway, has lacked impeding for wired mode and stumbled, is connected with existing optical fiber cable, coaxial cable etc.Mode is compared, and technical scheme provided by the utility model causes control system of heliostat to safeguard that the amount of getting up to work reduces, during transformationCost reduces.
The central computer 101 of accompanying drawing 1-a examples may include instruction sending module 201 and receiving module 202, controller104 may include to instruct execution module 203 and uploading module 204, such as the control system of heliostat of the example of accompanying drawing 2, wherein：
Instruction sending module 201, for sending control instruction to controller 104.
As one embodiment of the present utility model, instruction sending module 201 can be additionally used in the Broadcasting Control of controller 104Instruction, so that controller 104 controls heliostat to stop the automatic tracing to the sun, wherein, the control instruction of broadcast may include to uniteOne identification code or heliostat node mark.One application scenarios of above-described embodiment are：When weather conditions it is bad (such as storm wind,The weather such as heavy rain, severe snow, cloudy day), all heliostat nodes 103 of heliostat mirror field are required for stopping automatic sun-tracking, andAnd mirror holder it is horizontal positioned (because it is horizontal positioned be best wind resistance posture), at this moment need central computer 101 send one broadcastThe instruction of formula is Broadcasting Control instruction, makes the heliostat body of all heliostat nodes while ties, and stops automatic tracing.Such asPreceding described, the control instruction of broadcast may include unifying identifier code or heliostat node mark, be included when the control instruction of broadcastWhen being unifying identifier code, the controller of all heliostat nodes can perform corresponding instruction, therefore, central computer 101Need the control instruction of broadcasted content such as " unifying identifier code+stopping automatic tracing ", you can make all settled dates in heliostat mirror fieldMirror node stops automatic tracing, when weather takes a turn for the better, then broadcasts the control of one " unifying identifier code+altitude axis is tied " and refers toOrder, you can tie the heliostat body of all heliostat nodes.
Execution module 203 is instructed, the control instruction sent for execute instruction sending module 201, implementing result is transmittedTo uploading module 204.
Uploading module 204, it is connected with instruction execution module 203, for the implementing result for instructing execution module 203 to be uploadedTo receiving module 202.
Receiving module 202, for receiving the implementing result of the upload of uploading module 202.
The central computer 101 of the example of accompanying drawing 2 may also include active module 301 and key allots module 302, controller104 may also include and key reception module 303 and unwind lock module 304, such as the control system of heliostat of the example of accompanying drawing 3, wherein：
Active module 301, for activating communication lock so that central computer 101 is only led to a controller 104News.
In the utility model embodiment, communication lock ensures that synchronization only has the controller of a heliostat node 103104 interact with central computer 101.
Key allots module 302, is matched for allotting the communication lock activated with active module 301 to a controller 104Key so that the controller 104 for only receiving the key of allocation is communicated with central computer.
Key reception module 303, the key allotted module 302 for receiving key and allotted.
Unwind lock module 304, for the key allotted using key reception module 303 so that receive key reception moduleThe communication channel or untied after the completion of communication exclusive that the controller of 303 keys allotted is monopolized between central computerCommunication channel.
The control system of heliostat of the example of accompanying drawing 3, one application scenarios are：When the control of some heliostat node 103Device 104 (or servo-drive system therein) breaks down when reporting an error, and controller 104 can monopolize communication lock, and actively send the settled dateThe number-mark symbol and fault message of mirror node 103 are to central computer 101；Communication lock by it is exclusive when, other heliostat nodes103 controller 104 reports an error without normal direction central computer 101, can only wait in line, until the event of the controller of exclusive communication lockAfter barrier information is sent completely, central computer 101 unties exclusive communication lock, and other can be monopolized in the controller waited in lineCommunication lock.
The instruction sending module 201 of the example of accompanying drawing 2 is additionally operable to check instruction to the broadcast state of controller 104, wherein, stateCheck that instruction identifies comprising heliostat node, so that the controller 104 of heliostat node 103 corresponding with heliostat node markThe current state of heliostat is reported to central computer 101.One application scenarios of the present embodiment are：Central computer 101 canAny one heliostat node in heliostat mirror field is accessed to specify, such as the heliostat node of reporting fault information, now,Central computer 101 broadcasts the control instruction of content such as " heliostat node mark+state is checked ", you can checks and the settled dateThe state of heliostat node corresponding to mirror node identification.It should be noted that, although the broadcasted content of central computer 101 is as " determinedSolar eyepiece node identification+state is checked " control instruction when, the controller 104 of all heliostat nodes 103 can receive, butOnly it identifies the controller Cai Hui responsing center computer that consistent heliostat node is identified with the heliostat node broadcasted101。
Above example is only to illustrate the technical solution of the utility model, rather than its limitations；Although with reference to foregoing realityExample is applied the utility model is described in detail, it will be understood by those within the art that：It still can be to precedingState the technical scheme described in each embodiment to modify, or equivalent substitution is carried out to which part technical characteristic；And theseModification is replaced, and the essence of appropriate technical solution is departed from the spirit and model of various embodiments of the utility model technical schemeEnclose, should be included within the scope of protection of the utility model.