CN103414547A - Method according to which main station controls multiple auxiliary stations, base station and system - Google Patents
Method according to which main station controls multiple auxiliary stations, base station and system Download PDFInfo
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- CN103414547A CN103414547A CN2013103087248A CN201310308724A CN103414547A CN 103414547 A CN103414547 A CN 103414547A CN 2013103087248 A CN2013103087248 A CN 2013103087248A CN 201310308724 A CN201310308724 A CN 201310308724A CN 103414547 A CN103414547 A CN 103414547A
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Abstract
The invention provides a method according to which a main station controls multiple auxiliary stations, a base station and a system. The method according to which the main station controls multiple auxiliary stations includes the following steps that the main station sends request data packages with the preset size to the auxiliary stations and receives responding data packages, fed back by the auxiliary stations, of the request data packages. The responding data packages are equal to the request data packages in terms of size. In addition, when all communication signals of the main station and communication signals obtained from the auxiliary stations by the main state conform to the preset state, the main station controls the auxiliary stations. The method according to main station controls multiple auxiliary stations can reduce construction cost, reduce communication delay between the main station and the auxiliary stations and improve construction efficiency.
Description
Technical field
The present invention relates to the Communication Control Technology field, particularly relate to a kind of method that main website controls many slave stations, and a kind of main website, and a kind of main website controls the system of a plurality of slave stations.
Background technology
For industrial control field, often to control by a main website related services such as a plurality of slave station communication management, from common detection signal, be transferred to the management of device senses device is controlled.
Networking schematic diagram with reference to cable connected mode shown in Figure 1, it is by the wired connection mode that traditional management is controlled, between main website and slave station, linking together by cable, form a cable network, in this network, the equipment of controlling is carried out to monitoring in real time and management, in Fig. 1, described main control device is control and management " controlled device ", under send instructions, collection information; Described main website is responsible for the data of " main control device " are transmitted; The data that described slave station (1..n) transmits from " main website " for reception, and be transformed on the interface of " controlled device "; Described controlled device is by the equipment of " main control device " management control; The mode that the cable connected mode is transmitted for the cable by wired, as ethernet line; Described interface 1 is connected with the data between " main website " for " main control device "; Described interface (2..n) is connected with the data between " slave station (1..n) " for " controlled device ".But, by wired mode, carry out networking, if the zone of controlling is larger, can run in actual applications wiring process very loaded down with trivial details, construction cost is also very high, and the time that completes networking is long.Like this, just very wish to carry out wireless networking.
With reference to wireless networking mode schematic diagram shown in Figure 2, wherein main control device is control and management " controlled device ", under send instructions, collection information; Main website is responsible for the data of " main control device " are carried out to wireless transmission; The data that slave station (1..n) transmits from " main website " for wireless receiving, and be transformed on the interface of " controlled device "; Controlled device is by the equipment of " main control device " management control; Antenna is for carrying out transfer of data by wireless mode; Interface 1 is connected with the data between " main website " for " main control device "; Interface (2..n) is connected with the data between " slave station (1..n) " for " controlled device ".But there is following problem in above-mentioned wireless networking mode:
1,, in needing the process of real-time Transmission, because causing, the delay of wireless signal controls unsuccessfully;
2, when main website control slave station carried out certain task simultaneously, due to difference time of delay, slave station can not carry out synchronous working according to command request.
In a lot of application scenarios, as the power test system, between main website testing station and slave station testing station, carry out real-time Data Transmission, require the test macro instruction cycle to be less than the transmission requirement of 50ms, and between slave station simultaneously the work clock precision be better than ± 1us, current like this communication can't meet the demands.
Therefore, those skilled in the art's technical problem to be solved is to provide the mode of the many slave stations of main website control in a kind of control system, in order to reduce construction cost, to reduce communication delay, raising efficiency of construction between main website and slave station.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of method that main website controls many slave stations, in order to reduce construction cost, reduce time delay, to improve efficiency of construction.
Accordingly, the present invention also provides a kind of main website, and the system of the many slave stations of a kind of main website control, in order to guarantee the implementation and application of said method.
In order to address the above problem, the invention discloses a kind of method that main website controls many slave stations, described method comprises:
Main website sends default big or small request data package to a plurality of slave stations respectively, and, receive the response data packet of described a plurality of slave stations for described request packet feedback;
Size in described response data packet is identical with the size of described request packet, and when the signal of communication of the slave station obtained when signal of communication and the described main website of described main website all met default state, described main website controlled described a plurality of slave stations.
Preferably, described main website is connected with main control device, described a plurality of slave stations are connected with a plurality of controlled devices respectively, described size in response data packet is identical with the size of described request packet, and, when the signal of communication of the slave station that the signal of communication of described main website and described main website obtain all met default state, the step that described a plurality of slave stations are controlled comprised:
Size in response data packet is identical with the size of described request packet, and, when the signal of communication of the slave station that the signal of communication of described main website and described main website obtain all meets default state, described main website receives the control command that main control device sends, and described control command is sent to described a plurality of slave station; Wherein, described a plurality of slave stations are used for described control command is forwarded to corresponding controlled device, and, receive the operation response data that corresponding controlled device returns for described control command;
Described main website receives the operation response data that described a plurality of slave stations return, and described operation response data is transferred to main control device.
Preferably, described control command comprises synchronic command and enabled instruction, and described main website receives the control command that main control device sends, and the sub-step that described control command is sent to described a plurality of slave stations further comprises:
Receive the control command that main control device sends;
Described control command is resolved, and send synchronic command to described a plurality of slave stations, described slave station is also for responding simultaneously described enabled instruction according to described synchronic command.
Preferably, described default size is to meet the shake hands minimum value of data package size corresponding to required bandwidth of main website and described a plurality of slave stations.
Preferably, whether described signal of communication meets default state, in the following way judgement:
Obtain number of satellite, if described number of satellite is greater than predetermined threshold value, is judged as described signal of communication and meets default state.
Preferably, described main website carries out data with main control device by first interface and is connected, and described main website carries out data with a plurality of slave stations by the second interface and/or the 3rd interface and is connected, and described slave station carries out data with described controlled device by the 4th interface and is connected.
The invention also discloses a kind of main website, described main website comprises:
Handshake module, for to a plurality of slave stations, sending default big or small request data package respectively, and, receive the response data packet of described a plurality of slave stations for described request packet feedback;
Control module, identical with the size of described request packet for the size in described response data packet, and, when the signal of communication of the slave station that the signal of communication of described main website and described main website obtain all meets default state, described a plurality of slave stations are controlled.
Preferably, described main website is connected with main control device, described a plurality of slave stations are connected with a plurality of controlled devices respectively, and described control module comprises:
Control command receives submodule, for identical with the size of described request packet in the size of response data packet, and, when the signal of communication of the slave station that the signal of communication of described main website and described main website obtain all meets default state, receive the control command that main control device sends, described control command is sent to described a plurality of slave station; Wherein, described slave station is used for described control command is forwarded to corresponding controlled device, and, receive the operation response data that corresponding controlled device returns for described control command;
The operation response data receives submodule, the operation response data of returning be used to receiving described a plurality of slave station, and described operation response data is transferred to main control device.
Preferably, described control command comprises synchronic command and enabled instruction, and described control command receives submodule and further comprises:
The control command receiving element, the control command of sending be used to receiving main control device;
The control command resolution unit, for described control command is resolved, and send synchronic command to described a plurality of slave stations, and described slave station is also for responding simultaneously described enabled instruction according to described synchronic command.
Preferably, described default size is to meet the shake hands minimum value of data package size corresponding to required bandwidth of main website and described a plurality of slave stations.
Preferably, whether described signal of communication meets default state, in the following way judgement:
Obtain number of satellite, if described number of satellite is greater than predetermined threshold value, is judged as described signal of communication and meets default state.
Preferably, described main website carries out data with main control device by first interface and is connected, and described main website carries out data with a plurality of slave stations by the second interface and/or the 3rd interface and is connected, and described slave station carries out data with described controlled device by the 4th interface and is connected.
The invention also discloses the system that a kind of main website controls a plurality of slave stations, described control system comprises that a main website, a plurality of slave station, main control device, a plurality of controlled device, a described main website are connected with main control device, described a plurality of slave stations are connected with a plurality of controlled devices respectively, it is characterized in that, described main website is by a plurality of slave stations of following module controls:
Wireless communication module, be used to transmitting the data message between described main website and described a plurality of slave station, and the obtaining communication signal, wherein, described data message comprises the request data package of the default size that main website sends and the response data packet of the default size that slave station sends;
Clock synchronization module, for described signal of communication is locked, output meets the signal of communication of default state;
Processor module, the control command of sending be used to sending main control device, or receive the operation response data that controlled device returns for described control command, and described control command or operation response data are resolved;
Modular converter, for carrying out interface conversion with described main control device or controlled device.
Preferably, described clock synchronization module is used phase-locked loop circuit to realize, adopts crystal oscillator output to meet the signal of communication of default state.
Preferably, described system also comprises:
The satellite reception module, be used to obtaining signal of communication.
Preferably, the described signal of communication that meets default state, judgement in the following way:
If described satellite reception module locking satellite state is normal, and obtains number of satellite and be greater than predetermined threshold value, the signal of communication of described output meets default state;
And/or,
If the signal of communication that described wireless communication module receives meets default state, the signal of communication of described output meets default state;
And/or,
If the state of described clock synchronization module is lock-out state, the signal of communication of described output meets default state.
Compared with prior art, the present invention includes following advantage:
First, the embodiment of the present invention sends default big or small request data package to a plurality of slave stations respectively by main website, and, receive the response data packet of described a plurality of slave station for the formed objects of described request packet feedback, the size of described request packet and response data packet is controlled to be and meets the shake hands minimum value of data package size corresponding to required bandwidth of main website and described a plurality of slave stations, with this, simplify the acknowledgement mechanism of shaking hands, guaranteed the propagation delay time minimum between main website and slave station.In addition, the embodiment of the present invention the signal of communication of guaranteeing main website and described main website obtain signal of communication start again the control of main website to slave station after all meeting default state, thereby operating time consistency between the rapidity of the transmission of raising business efficiently and equipment, increase substantially network performance, can be applicable to several scenes;
The second, in the present embodiment, described main website can control all slave stations and work simultaneously simultaneously to the real-time management of a plurality of slave stations and detection, has guaranteed the high-precision synchronous working of slave station;
The 3rd, the wireless network architecture that the embodiment of the present invention adopts is simple, and easy construction, reduced construction cost, and a wireless networking equipment can be provided for the Internet of Things in all types of industries.
The accompanying drawing explanation
Fig. 1 is the networking schematic diagram of cable connected mode in background technology of the present invention;
Fig. 2 is wireless networking mode schematic diagram in background technology of the present invention;
Fig. 3 is the flow chart of steps that a kind of main website of the present invention controls the embodiment of the method for slave station;
Fig. 4 is that a kind of main website of the present invention controls main website in the embodiment of the method for slave station and controls many slave stations real-time management control system schematic diagram;
Fig. 5 is of the present invention a kind of main website be used to the structured flowchart of the system of controlling many slave stations;
Fig. 6 is the structured flowchart of a kind of embodiment of main website of the present invention.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, the present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
The core idea of the embodiment of the present invention is, by main website, to a plurality of slave stations, send default big or small request data package respectively, and, receive the response data packet of described a plurality of slave station for the formed objects of described request packet feedback, the size of described request packet and response data packet is controlled to be and meets the shake hands minimum value of data package size corresponding to required bandwidth of main website and described one or more slave stations, and after all meeting default state, the signal of communication of the slave station that the signal of communication of guaranteeing main website and main website obtain starts again the data communication between main control device and controlled device, thereby operating time consistency between the rapidity of the transmission of raising business efficiently and equipment, increase substantially network performance.
With reference to Fig. 3, show the flow chart of steps that a kind of main website of the present invention controls the embodiment of the method for many slave stations, wherein, described main website is connected with main control device, described a plurality of slave stations are connected with a plurality of controlled devices respectively, the present embodiment be take master control in Internet of Things industrial management control system and is controlled many slave stations as example is elaborated, and specifically comprises the following steps:
Step 101, main website sends default big or small request data package to a plurality of slave stations respectively, and, receive the response data packet of described a plurality of slave stations for described request packet feedback;
In specific implementation, after described Internet of Things industrial management control system energising, between main website and a plurality of slave station, first shake hands, described method of shaking hands can be that main website first initiates a request data package, in the described request packet, can comprise the main website sign, the command identification of shaking hands, want to shake hands from station number etc., after slave station is received request data package, resolve, be confirmed to be the instruction of shaking hands that main website sends, reply this instruction, send response data packet, main website confirms that the work of shaking hands completes after receiving this response data packet.For main website and slave station set up the mode that is connected of shaking hands can have multiple, the present embodiment to this without being limited.
When main website and slave station are shaken hands, can adjust voluntarily the size of the request data package that main website sends, the size of described request packet is adjusted into to default size, wherein said default size can for meet main website and described a plurality of slave stations shake hands data package size corresponding to required bandwidth minimum value, namely simplify the acknowledgement mechanism of shaking hands of main website and slave station, use few byte to complete the answering of shaking hands normally as far as possible, if for example only need a frame head, the bag content, check digit just can complete and shake hands, described communication data packet can be adjusted into and only comprise a frame head, the bag content, check digit is just passable, thereby guaranteed the transmission delay minimum between main website and slave station.
Step 103, size in described response data packet is identical with the size of described request packet, and when the signal of communication of the slave station that the signal of communication of described main website and described main website obtain all met default state, described main website controlled described a plurality of slave stations;
In specific implementation, if the size of described response data packet is identical with the size of described request packet, illustrate that described main website and described a plurality of slave station shake hands normally.Described signal of communication can comprise that main website obtains the signal of communication of himself, and main website with each slave station shake hands laggard row data communication that obtain with signal of communication each slave station, can pass through GPS(Global Positioning System, global positioning system) satellite system is obtained described signal of communication, or extracts described signal of communication by time division way.
In a preferred embodiment of the present invention, whether described signal of communication meets default state, can judge in the following way:
Obtain number of satellite, if described number of satellite is greater than predetermined threshold value, is judged as described signal of communication and meets default state.
Particularly, it is that described signal of communication is stable and available that described signal of communication meets default state, in the communication data packet by between described main website and slave station (comprising request data package and response data packet), adjust to minimum, while having simplified the handshake mechanism of main website and slave station, if the signal of communication of the signal of communication of described main website and each slave station is still stable and available, can start the control of main website to a plurality of slave stations, thereby guarantee to have between master and slave station the prerequisite of high-precise synchronization.
In a preferred embodiment of the present invention, described step 103 can comprise following sub-step:
Sub-step S11, size in described response data packet is identical with the size of described request packet, and, when the signal of communication of the slave station that the signal of communication of described main website and described main website obtain all meets default state, described main website receives the control command that main control device sends, and described control command is transferred to described a plurality of slave station; Wherein, described a plurality of slave stations are used for described control command is forwarded to corresponding controlled device, and, receive the operation response data that controlled device returns for described control command;
In actual applications, described control command can comprise the management control dependent instructions such as enabled instruction, main control device sends a control command of controlling controlled device to main website, described control command first sends to main website, main website to described control command resolve to obtain control command corresponding from station number and control command content etc., and change into 3G (Third Generation) Moblie TD-SCDMA(Time Division-Synchronous Code Division Multiple Access) etc. communication control command is transferred in a plurality of slave stations.
In a preferred embodiment of the present invention, described control command can comprise synchronic command and enabled instruction, and described sub-step S11 further can comprise following sub-step:
Sub-step S111, receive the control command that main control device sends;
Sub-step S113, resolve described control command, and send synchronic command to described a plurality of slave stations, and described slave station is also for responding simultaneously described enabled instruction according to described synchronic command.
In specific implementation, if what main control device issued is an instruction that all controlled devices of control are worked simultaneously, main website first resolves this control command so, after being confirmed to be and requiring instruction that controlled device works simultaneously, main website sends a synchronic command to the described a plurality of slave stations of described a plurality of slave stations triggering and carries out simultaneously described enabled instruction, this synchronic command is told from after standing in next signal of communication and triggering, start to carry out enabled instruction, thereby guarantee all enabled instructions simultaneously of slave station, guarantee the high-precision synchronous working of slave station.
Sub-step S13, described main website receives the operation response data that described a plurality of slave stations return, and described operation response data is transferred to main control device.
Particularly, described a plurality ofly start working from standing in after acquiring enabled instruction, obtain the operation response data of controlled device, should operate response data and carry out encapsulation process, stamp time tag, and encapsulation is upper from station number, and the operation response data after encapsulation process is delivered to main website, main website resolves described operation response data, can know which type of data when which obtain from standing in.The resolution data that main website will obtain from slave station, again convert the agreement that main control device can identify to and be delivered to main control device, so just completed a main control device and controlled to the management of controlled device.
In actual applications, described main website carries out data with main control device by first interface and is connected, described main website carries out data with a plurality of slave stations by the second interface and/or the 3rd interface and is connected, described slave station carries out data with described controlled device by the 4th interface and is connected, wherein, described the second interface and/or the 3rd interface are a plurality of wave points, and it can be gps antenna and/or TD antenna, and described the 4th interface also can have a plurality of.As a kind of example of the present embodiment, with reference to main website shown in Figure 4, control many slave stations real-time management control system schematic diagram, can find out, described main control device is for the control and management controlled device, under send instructions, collection information; Described main website is responsible for the control command of main control device is carried out to wireless transmission; Described slave station (1..n) is responsible for the control command of wireless receiving from the main website transmission, and is transformed on the interface of controlled device; Described controlled device is by the equipment of main control device management control; Described main control device carries out data with main website by first interface and is connected, described main website carries out data with one or more slave stations by the second interface and/or the 3rd interface and is connected, described the second interface and/or the 3rd interface can gps antennas (by the antenna of the wireless receiving satellite signal of GPS) and/or TD antenna (carrying out the antenna of transfer of data by the wireless mode of TD-SCDMA) etc., and described slave station and described controlled device are by the 4th interface (4-1 ... 4-n) carry out the data connection.
With current Internet of Things main website many slave stations of control control structure, compare, the embodiment of the present invention can realize that transmission delay is short, the high advantage of consistent degree of slave station operating time, thus increase substantially network performance, and can be applicable to several scenes.
It should be noted that, for embodiment of the method, for simple description, therefore it all is expressed as to a series of combination of actions, but those skilled in the art should know, the present invention is not subjected to the restriction of described sequence of movement, because according to the present invention, some step can adopt other orders or carry out simultaneously.Secondly, those skilled in the art also should know, the embodiment described in specification all belongs to preferred embodiment, and related action and module might not be that the present invention is necessary.
With reference to figure 5, show the structured flowchart that a kind of main website of the present invention controls the system embodiment of a plurality of slave stations, described control system can comprise a main website, a plurality of slave station, main control device, a plurality of controlled device, described main website is connected with main control device, described a plurality of slave stations are connected with a plurality of controlled devices respectively, the Internet of Things industrial management control system of still take in embodiments of the present invention describes as example, and described main website can be by a plurality of slave stations of following module controls:
Particularly, wireless communication module 501 also can be called the TD-SCDMA wireless communication module, and be used to transmitting the data message between main website and slave station, wherein, described data message can comprise default big or small request data package, response data packet and control command.
In specific implementation, described wireless communication module 501 is also for the obtaining communication signal, described signal of communication can comprise the signal of communication of main website and the signal of communication of described a plurality of slave stations, described signal of communication can comprise the time frame signal, described TD-SCDMA wireless communication module is that the TD-SCDMA time division way communicates, therefore can extract the time frame signal of main website and the time frame signal of a plurality of slave stations by this module, the time precision of this time frame signal is relatively high, minimum frame due to the communication mode of TD-SCDMA is 5ms in addition, so minimum round trip delay time is 10ms on communication theory between main website and slave station.In actual applications, the impact of the transmission of long distance in increase, the agreement such as shake hands, a common data message is communicated by letter back and forth and can be less than 30ms, can meet the demand of a lot of severe rugged environments.
Particularly, the signal of communication of described default state is stable and available signal of communication, can comprise the time frame signal, described clock synchronization module 503 locks for the time frame signal to input, in the situation that frame signal shake occurred, lost input time, can continue the time frame signal of stable output, this module can be used phase-locked loop circuit to realize usually, the time frame signal that the crystal oscillator stable output of use high stable can be used.The synchronization accuracy that in actual applications, can make (slave station and slave station) between master and slave station by the high-precision crystal oscillator in clock synchronization module 503 is in 100ns.
Particularly, described processor module 505 is used processor to realize, as: single-chip microcomputer, ARM(Advanced Risc Machine, advanced reduced instruction set computer) processor such as, be responsible for sending controling instruction or receive controlled device returning to the operation response data for described control command, realize parsing and protocol conversion to control command.
Particularly, described modular converter 507, for external equipment (main control device or controlled device), carrying out interface conversion, makes processor can carry out data communication with external equipment.
In a preferred embodiment of the present invention, if when described wireless communication module 501 can not be exported normal and available signal of communication, described system can also comprise:
Particularly, described satellite reception module 509 also can be called the gps satellite receiver module, by the gps satellite receiver module, can obtain stable signal of communication and correct time information, " Big Dipper " module that this module also can be used China to develop voluntarily, send the correct time of acquisition.This module is optional module, if the signal of communication of described wireless communication module 501 is normal and when can obtain stabilization signal, this module can not used.
In Fig. 5, described wireless communication module 501 communicates by interface 1 with described processor module 505, interface 1 can be multiple interfaces, as UART(Universal Asynchronous Receiver/Transmitter, the Universal Asynchronous Receiver & dispensing device) interface, SPI interface (Serial Peripheral Interface, Serial Peripheral Interface (SPI)) etc., described processor module 505 can communicate by interface 2 with described modular converter 507, interface 2 can be also the multiple interfaces form, as IIC(Inter-Integrated Circuit, integrated circuit (IC) bus), SPI etc., described modular converter 507 can communicate by interface 3 with external equipment (as main control device and controlled device), and interface 3 can be ether interface, optical interface, RS232 or RS485 interface etc. according to the external equipment form, described wireless communication module 501 can communicate by interface 4 with described clock synchronization module 503, and interface 4 is for the passing time interface signal, as 1PPS(Pulses Per Second, pulse per second (PPS)) signal, described clock synchronization module 503 can communicate by interface 5 with satellite reception module 509, and interface 5 is for the passing time interface signal, as the 1PPS signal, described clock synchronization module 503 can communicate by interface 6 with processor module 505, interface 6 is for the output time frame signal, this time frame signal has passed through the processing of clock synchronization module 503, clock accuracy and stability increase substantially, the physical level form of output can be LVTTL(Low Voltage Transistor-Transistor Logic, the low-voltag transistor logical circuit), LVDS(Low Voltage Difference Signal, low-voltage differential signal) etc., waveform can be 1PPS signal or other frequency signals, also have in addition one and detect interface, confirm whether current phase-locked loop has locked input reference clock, described satellite reception module 509 can communicate by interface 7 with processor module 505, and interface 7 is state detection interfaces of satellite reception module, as UART interface, SPI interface etc.
In a preferred embodiment of the present invention, processor module 505 can detect by interface 1, interface 6 and 7 pairs of each module information states of interface, confirms whether the signal of communication of input is available and stable, and basis for estimation is as follows:
1, if described satellite reception module 509 locking satellite states are normal, and obtain number of satellite and be greater than predetermined threshold value (as a kind of preferred exemplary of the present embodiment, described predetermined threshold value can be 4), the signal of communication of described output meets default state;
2, if the stable signal of communication that described wireless communication module 501 receives, the time frame signal of output can be used, and the signal of communication of described output meets default state;
3, if described clock synchronization module 503 has entered lock-out state, the signal of communication of described output meets default state.
In specific implementation, if described control system has been installed satellite reception module 509, meet above-mentioned one condition and " 3 " condition, the time frame signal of output can be used; If described control system when satellite reception module 509 is not installed, meets above-mentioned " 2 " condition and " 3 " condition, the time frame signal of output can be used.
In embodiments of the present invention, if the size that described processor module 505 has been guaranteed communication data packet is for the stable of default size and signal of communication and when available, can start the control of main website to a plurality of slave stations, be specially: main control device sends a control command of controlling all controlled devices to main website, and control command is first delivered to main website, main website resolves described control command, and the communication that changes into TD-SCDMA is transferred to a plurality of slave stations by described control command, if what main control device issued is a control command that all controlled devices of control are worked simultaneously, require so main website first to resolve this control command, after being confirmed to be and requiring controlled device to work simultaneously, main website sends a synchronic command, this synchronic command is told from after the time frame signal of sending into that stands in next clock synchronization module, start to carry out enabled instruction, guarantee so all enabled instructions simultaneously of slave station, allly from standing in after acquiring enabled instruction, start working, slave station obtains the operation response data of controlled device, should operate response data and carry out encapsulation process, stamp time tag, and be which slave station data in encapsulation, and the data after encapsulating are delivered to main website, main website is according to the operation response data is resolved, can know which type of data when which obtain from standing in, resolution data after main website will obtain from slave station, again convert the agreement that main control device can identify to and be delivered to main control device, so just having completed a main control device controls to the management of controlled device.
The wireless network architecture that the embodiment of the present invention adopts is simple, and easy construction, reduced construction cost, and a wireless networking equipment can be provided for the Internet of Things in all types of industries.
With reference to Fig. 6, show the structured flowchart of a kind of embodiment of main website of the present invention, described main website is connected with main control device, and be used to controlling the work of a plurality of slave stations, described a plurality of slave stations are connected with a plurality of controlled devices respectively, and described main website specifically can comprise as lower module:
Wherein, described default size is to meet the shake hands minimum value of data package size corresponding to required bandwidth of main website and described a plurality of slave stations.
In a preferred embodiment of the present invention, whether described signal of communication meets default state, can judge in the following way:
Obtain number of satellite, if described number of satellite is greater than predetermined threshold value, is judged as described signal of communication and meets default state.
In a preferred embodiment of the present invention, described control module 603 can comprise following submodule:
Control command receives submodule, for identical with the size of described request packet in the size of response data packet, and, when the signal of communication of the slave station that the signal of communication of described main website and described main website obtain all meets default state, receive the control command that main control device sends, described control command is sent to described a plurality of slave station; Wherein, described slave station is used for described control command is forwarded to corresponding controlled device, and, receive the operation response data that corresponding controlled device returns for described control command;
In a preferred embodiment of the present invention, described control command comprises synchronic command and enabled instruction, and described control command receives submodule and further comprises:
The control command receiving element, the control command of sending be used to receiving main control device;
The control command resolution unit, for described control command is resolved, and send synchronic command to described a plurality of slave stations, and described slave station is also for responding simultaneously described enabled instruction according to described synchronic command.
The operation response data receives submodule, the operation response data of returning be used to receiving described a plurality of slave station, and described operation response data is transferred to main control device.
Wherein, described main website carries out data with main control device by first interface and is connected, and described main website carries out data with a plurality of slave stations by the second interface and/or the 3rd interface and is connected, and described slave station carries out data with described controlled device by the 4th interface and is connected.
For device embodiment shown in Figure 6, because it is substantially similar to preceding method embodiment, so description is fairly simple, relevant part gets final product referring to the part explanation of embodiment of the method.
Each embodiment in this specification all adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment that between each embodiment, identical similar part is mutually referring to getting final product.For device embodiment, because it is substantially similar to embodiment of the method, so description is fairly simple, relevant part gets final product referring to the part explanation of embodiment of the method.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt complete hardware implementation example, implement software example or in conjunction with the form of the embodiment of software and hardware aspect fully.And the present invention can adopt the form that wherein includes the upper computer program of implementing of computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) of computer usable program code one or more.
The present invention describes with reference to flow chart and/or the block diagram of method, equipment (system) and computer program according to the embodiment of the present invention.Should understand can be in computer program instructions realization flow figure and/or block diagram each flow process and/or the flow process in square frame and flow chart and/or block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, make the instruction of carrying out by the processor of computer or other programmable data processing device produce for realizing the device in the function of flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame appointments.
These computer program instructions also can be stored in energy vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work, make the instruction be stored in this computer-readable memory produce the manufacture that comprises command device, this command device is realized the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
These computer program instructions also can be loaded on computer or other programmable data processing device, make on computer or other programmable devices and to carry out the sequence of operations step to produce computer implemented processing, thereby in the instruction of carrying out on computer or other programmable devices, be provided for realizing the step of the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
Although described the preferred embodiments of the present invention, in a single day those skilled in the art obtain the basic creative concept of cicada, can make other change and modification to these embodiment.So claims are intended to all changes and the modification that are interpreted as comprising preferred embodiment and fall into the scope of the invention.
Finally, also it should be noted that, in this article, relational terms such as the first and second grades only is used for an entity or operation are separated with another entity or operating space, and not necessarily requires or imply between these entities or operation the relation of any this reality or sequentially of existing.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby make the process, method, article or the equipment that comprise a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or also be included as the intrinsic key element of this process, method, article or equipment.In the situation that not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises described key element and also have other identical element.
Above method, main website and the system that a kind of main website provided by the present invention is controlled to many slave stations is described in detail, applied specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment is just be used to helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (16)
1. the method for the many slave stations of main website control, is characterized in that, described method comprises:
Main website sends default big or small request data package to a plurality of slave stations respectively, and, receive the response data packet of described a plurality of slave stations for described request packet feedback;
Size in described response data packet is identical with the size of described request packet, and when the signal of communication of the slave station obtained when signal of communication and the described main website of main website all met default state, described main website controlled described a plurality of slave stations.
2. method according to claim 1, it is characterized in that, described main website is connected with main control device, described a plurality of slave stations are connected with a plurality of controlled devices respectively, described size in response data packet is identical with the size of described request packet, and, when the signal of communication of the slave station that the signal of communication of described main website and described main website obtain all met default state, the step that described main website controls described a plurality of slave stations comprised:
Size in response data packet is identical with the size of described request packet, and, when the signal of communication of the slave station that the signal of communication of described main website and described main website obtain all meets default state, described main website receives the control command that main control device sends, and described control command is sent to described a plurality of slave station; Wherein, described a plurality of slave stations are used for described control command is forwarded to corresponding controlled device, and, receive the operation response data that corresponding controlled device returns for described control command;
Described main website receives the operation response data that described a plurality of slave stations return, and described operation response data is transferred to main control device.
3. method according to claim 2, is characterized in that, described control command comprises synchronic command and enabled instruction, and described main website receives the control command that main control device sends, and the sub-step that described control command is sent to described a plurality of slave stations further comprises:
Receive the control command that main control device sends;
Described control command is resolved, and send synchronic command to described a plurality of slave stations, described slave station is also for responding simultaneously described enabled instruction according to described synchronic command.
4. method according to claim 1, is characterized in that, described default size is to meet the shake hands minimum value of data package size corresponding to required bandwidth of main website and described a plurality of slave stations.
5. according to the described method of claim 1 or 4, it is characterized in that, whether described signal of communication meets default state, in the following way judgement:
Obtain number of satellite, if described number of satellite is greater than predetermined threshold value, is judged as described signal of communication and meets default state.
6. according to the described method of the arbitrary claim of claim 1-4, it is characterized in that, described main website carries out data with main control device by first interface and is connected, described main website carries out data with a plurality of slave stations by the second interface and/or the 3rd interface and is connected, and described slave station carries out data with described controlled device by the 4th interface and is connected.
7. a main website, is characterized in that, described main website comprises:
Handshake module, for to a plurality of slave stations, sending default big or small request data package respectively, and, receive the response data packet of described a plurality of slave stations for described request packet feedback;
Control module, identical with the size of described request packet for the size in described response data packet, and, when the signal of communication of the slave station that the signal of communication of described main website and described main website obtain all meets default state, described a plurality of slave stations are controlled.
8. main website according to claim 7, is characterized in that, described main website is connected with main control device, described a plurality of slave stations are connected with a plurality of controlled devices respectively, and described control module comprises:
Control command receives submodule, for identical with the size of described request packet in the size of response data packet, and, when the signal of communication of the slave station that the signal of communication of described main website and described main website obtain all meets default state, receive the control command that main control device sends, described control command is sent to described a plurality of slave station; Wherein, described slave station is used for described control command is forwarded to corresponding controlled device, and, receive the operation response data that corresponding controlled device returns for described control command;
The operation response data receives submodule, the operation response data of returning be used to receiving described a plurality of slave station, and described operation response data is transferred to main control device.
9. main website according to claim 8, is characterized in that, described control command comprises synchronic command and enabled instruction, and described control command receives submodule and further comprises:
The control command receiving element, the control command of sending be used to receiving main control device;
The control command resolution unit, for described control command is resolved, and send synchronic command to described a plurality of slave stations, and described slave station is also for responding simultaneously described enabled instruction according to described synchronic command.
10. main website according to claim 7, is characterized in that, described default size is to meet the shake hands minimum value of data package size corresponding to required bandwidth of main website and described a plurality of slave stations.
11. according to the described main website of claim 7 or 10, it is characterized in that, whether described signal of communication meets default state, in the following way judgement:
Obtain number of satellite, if described number of satellite is greater than predetermined threshold value, is judged as described signal of communication and meets default state.
12. according to the described main website of the arbitrary claim of claim 7-10, it is characterized in that, described main website carries out data with main control device by first interface and is connected, described main website carries out data with a plurality of slave stations by the second interface and/or the 3rd interface and is connected, and described slave station carries out data with described controlled device by the 4th interface and is connected.
13. a main website controls the system of a plurality of slave stations, described control system comprises that a main website, a plurality of slave station, main control device, a plurality of controlled device, a described main website are connected with main control device, described a plurality of slave stations are connected with a plurality of controlled devices respectively, it is characterized in that, described main website is by a plurality of slave stations of following module controls:
Wireless communication module, be used to transmitting the data message between described main website and described a plurality of slave station, and the obtaining communication signal, wherein, described data message comprises default big or small request data package and response data packet;
Clock synchronization module, for described signal of communication is locked, output meets the signal of communication of default state;
Processor module, the control command of sending be used to sending main control device, or receive the operation response data that controlled device returns for described control command, and described control command or operation response data are resolved;
Modular converter, for carrying out interface conversion with described main control device or controlled device.
14. system according to claim 13, is characterized in that, described clock synchronization module is used phase-locked loop circuit to realize, adopts crystal oscillator output to meet the signal of communication of default state.
15. according to the described system of claim 13 or 14, it is characterized in that, described system also comprises:
The satellite reception module, be used to obtaining signal of communication.
16. system according to claim 15, is characterized in that, the described signal of communication that meets default state, judgement in the following way:
If described satellite reception module locking satellite state is normal, and obtains number of satellite and be greater than predetermined threshold value, the signal of communication of described output meets default state;
And/or,
If the signal of communication that described wireless communication module receives meets default state, the signal of communication of described output meets default state;
And/or,
If the state of described clock synchronization module is lock-out state, the signal of communication of described output meets default state.
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