CN105450635A - Acquisition device, acquisition station, device monitoring system and data transmission method - Google Patents
Acquisition device, acquisition station, device monitoring system and data transmission method Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
- H04L63/0478—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload applying multiple layers of encryption, e.g. nested tunnels or encrypting the content with a first key and then with at least a second key
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0078—Avoidance of errors by organising the transmitted data in a format specifically designed to deal with errors, e.g. location
- H04L1/0083—Formatting with frames or packets; Protocol or part of protocol for error control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/1607—Details of the supervisory signal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
- H04L67/565—Conversion or adaptation of application format or content
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/16—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
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Abstract
The invention discloses an acquisition device, an acquisition station, a device monitoring system and a data transmission method. The acquisition device comprises a sensor and a control unit. The sensor is used for monitoring the device and acquiring the data of the device. The control unit comprises an encapsulation module and a transmission module. The encapsulation module is used for fractionating the acquired data of the monitored device into M to-be-transmitted data frames within a first transmission period. The transmission module is used for sending a transmission request to the acquisition station, and continuously transmitting at least one part of the M to-be-transmitted data frames to the acquisition station upon receiving an acknowledgment message. After the transmission process of data frames, the transmission module sends a transmission status request message to the acquisition station. In this way, the acquisition station returns a transmission status response message containing the numbers of un-received data frames according to the transmission status request message. In response to the returned transmission status response message, the transmission module continuously transmits the un-received data frames.
Description
Technical field
The present invention relates to technical field of mechanical equipment, particularly relate to the data transmission scheme of monitoring equipment.
Background technology
At present, large rotating machinery equipment is widely used in the fields such as chemical industry, wind-powered electricity generation, metallurgy.Structure and the applied environment of the such as slewing such as wind turbine generator and oil transfer pump also become increasingly complex.The fault of slewing also probably causes the accident and massive losses.Along with the development of vibrating failure diagnosis feature technology, increasing vibration monitoring equipment is used to the vibration fault of monitoring plant equipment.
Because vibration monitoring equipment is usually placed in the region of not easily carrying out connecting up, therefore multiple vibration monitoring equipment adopts wireless transmission and battery powered working method.Like this, the power consumption how reducing monitoring equipment is present institute problems faced.
Summary of the invention
For this reason, the invention provides a kind of data transmission scheme of new monitoring equipment, effectively solve at least one problem above.
According to an aspect of the present invention, the data transmission method providing a kind of harvester to perform, comprises the steps.First, the Data Division gathered monitoring equipment in the first transmission cycle is a M waiting for transmission Frame.Then, the transmission request to gathered data is sent to acquisition station.In response to receive acquisition station to transmission request acknowledge message, continuously to acquisition station transmission M Frame at least partially.After completing the transmission at least partially in M Frame, send transmission state request message, so that acquisition station returns the transmission state response message of the numbering including wherein unreceived Frame according to this transmission state request message to acquisition station.In response to the transmission state response message receiving acquisition station and return, continue transmission wherein unreceived Frame.
According to a further aspect of the invention, the data managing method providing a kind of acquisition station to perform, comprises the steps.Within the first transmission cycle, equipment being monitored and the transmission request of the data gathered in response to receiving harvester, returning acknowledge message.Wherein gathered data comprise M Frame.In continuous reception M that harvester a sends Frame at least partially.In response to receiving harvester to transmission state request message at least partially in sent a M Frame, return the transmission state response message containing the numbering wherein not receiving Frame, so that harvester continues to transmit wherein unreceived Frame.Continue to receive wherein unreceived Frame.
According to a further aspect of the invention, provide a kind of harvester, comprise transducer and control unit.Wherein, transducer is suitable for carrying out monitoring and image data to equipment.Control unit comprises data processing module and transport module.The Data Division that package module is suitable for gathering monitoring equipment in the first transmission cycle is a M waiting for transmission Frame.Transport module is suitable for sending transmission request to M Frame to acquisition station, and in response to receiving the acknowledge message of acquisition station to transmission request, to transmit in M Frame at least partially continuously to acquisition station.After completing the transmission at least partially in M Frame, send transmission state request message, so that acquisition station returns the transmission state response message including the numbering wherein not receiving Frame according to this transmission state request message to acquisition station.In response to receiving returned transmission state response message, transport module continues the unreceived Frame of transmission.
According to a further aspect of the invention, a kind of acquisition station is provided, there is control unit.This control unit comprises receiver module and sending module.Receiver module is suitable for receiving harvester and monitors equipment within the first transmission cycle and the transmission request of data that gathers, and wherein gathered data comprise M Frame.Sending module is suitable for, according to received transmission request, returning acknowledge message.Receiver module to be also suitable for receiving continuously in M that harvester sends Frame at least partially, and receive that harvester sends to transmission state request message at least partially in sent a M Frame.Sending module is also suitable for returning the transmission state response message containing the numbering wherein not receiving Frame.Receiver module is also suitable for continuing to receive wherein unreceived Frame.
According to a further aspect of the invention, provide a kind of equipment monitoring system, comprise according to one or more harvester of the present invention, acquisition station and server.Wherein server is suitable for from the data of acquisition station acquisition to monitoring of equipment, and carries out diagnostic analysis by these data to equipment.
According to data transmission scheme of the present invention, by transmitting the mode of multiple Frame continuously, decrease the interaction times between harvester and acquisition station, thus improve efficiency of transmission and reduce equipment power dissipation, but also avoid the frequent replacing to device battery.It should be noted that, adopt the equipment of powered battery and maintenance difficult by data transmission scheme of the present invention, significant increase equipment performance and useful life.In addition, according to data transmission scheme of the present invention, determined the number of data frames upper limit of transmission continuously by the LQI value of current transmission channel, thus the probability of transmission packet loss can be reduced, further increase the efficiency of transmission of equipment room and reduce equipment power dissipation.Moreover, according to data transmission scheme of the present invention, by carrying out protocol encapsulation to often organizing measurement data in harvester, making acquisition station after receiving these measurement data, uploading directly to server without protocol encapsulation.Like this, acquisition station can greatly be saved time and power consumption, and improves the efficiency to server transmission data.
Accompanying drawing explanation
In order to realize above-mentioned and relevant object; combine description below and accompanying drawing herein to describe some illustrative aspect; these aspects indicate the various modes can putting into practice principle disclosed herein, and all aspects and equivalent aspect thereof are intended to fall in the scope of theme required for protection.Read detailed description below in conjunction with the drawings, above-mentioned and other object of the present disclosure, Characteristics and advantages will become more obvious.Throughout the disclosure, identical Reference numeral is often referred to for identical parts or element.
Fig. 1 shows the schematic diagram of equipment monitoring system 100 according to some embodiments of the invention;
Fig. 2 shows the flow chart of the data transmission method 200 of equipment monitoring system 100 according to some embodiments of the invention;
Fig. 3 shows the block diagram of harvester 300 according to some embodiments of the invention; And
Fig. 4 shows the block diagram of acquisition station 400 according to some embodiments of the invention.
Embodiment
Below with reference to accompanying drawings exemplary embodiment of the present disclosure is described in more detail.Although show exemplary embodiment of the present disclosure in accompanying drawing, however should be appreciated that can realize the disclosure in a variety of manners and not should limit by the embodiment set forth here.On the contrary, provide these embodiments to be in order to more thoroughly the disclosure can be understood, and complete for the scope of the present disclosure can be conveyed to those skilled in the art.
Fig. 1 shows the schematic diagram of equipment monitoring system 100 according to some embodiments of the invention.Equipment monitoring system 100 comprises multiple harvester 110, acquisition station 120 and server 130.Here harvester 110 is the general designations to the device for monitoring informations such as collecting device vibration class data.Such as, one of them harvester 110 comprises the transducer of monitoring equipment vibration, is suitable for collecting device vibration data.Another harvester 110 comprises the transducer that monitoring equipment rotates, and is suitable for the rotary speed data of collecting device rotating shaft.According to one embodiment of the invention, harvester 110 can also comprise temperature sensor, with the ambient temperature on checkout equipment surface, but is not limited thereto, can the more eurypalynous Monitoring Data of collecting device as required according to harvester 110 of the present invention.In order to simplified characterization, hereinafter no longer harvester 110 particular type is distinguished.Each harvester 110 is suitable for being communicated with acquisition station 120 by wireless modes such as such as ZigBee.Like this, acquisition station 120 can collect the data that multiple harvester 110 gathers.Acquisition station 120 can send directly to server 130 for the data obtained from multiple harvester 110, also can select to carry out storing in acquisition station and follow-uply to transmit to server 130.Server 130 can obtain vibration class data message that acquisition station collects to carry out the Analysis on Fault Diagnosis for detected equipment from acquisition station 120, can certainly send configuration information to acquisition station 120.Like this, acquisition station 120 can carry out working strategies adjustment according to this configuration information.
Generally speaking, harvester 110 sends the cycle (such as 5 minutes) according to one usually, transmits institute's image data in this cycle to acquisition station.Such as, the Data Division gathered in the transmission cycle can be that multiple Frame transmits to acquisition station by harvester 110.Here, harvester 110, in each transmission cycle, based on different frequency acquisitions and can gather one or more groups data of duration collection.In an embodiment in accordance with the invention, harvester 110, at the end time point (being also the sart point in time in next transmission cycle) in each transmission cycle, sends data in this transmission cycle to acquisition station 120.In order to simplified characterization, although harvester 110 sends data to acquisition station 120 can continue a time period, no longer distinguish the time started sending data and end time here, but put unified representation with the end time in transmission cycle.In addition, harvester 110 to the data of acquisition station 120 transmission except this transmission cycle, such as, can not upload successful data yet before sending this cycle.Below in conjunction with Fig. 2, the data transmission procedure between harvester 110 and acquisition station 120 is further described.
Fig. 2 shows the flow chart of the data transmission method 200 of equipment monitoring system 100 according to some embodiments of the invention.
As shown in Figure 2, the method 200 starts from the step S201 that harvester 110 performs.In step S201, sending the cycle (such as 5 minutes) based on first, is a M waiting for transmission Frame by the Data Division gathered within the first transmission cycle.Here, each Frame is the base unit such as transmitting data in the communication process of application ZigBee transmission means in wireless channel, but is not limited thereto.Here M value is directly proportional to the length of gathered data.M value is such as 2000.
Particularly, according to one embodiment of the invention, first harvester 110 performs one or many and measures operation and determined this frequency acquisition measured and acquisition length before each measurement operation.Like this, harvester 110 can obtain one or more groups measurement data within the first transmission cycle.Alternatively, harvester 110 can also be in step s 201, encapsulation operation is carried out according to acquisition station 120 to the agreement of server 130 uploading data, so that acquisition station no longer performs this encapsulation operation when getting and upload and often organize measurement data by often organizing measurement data.Here agreement be acquisition station 120 to data interaction agreement during server 130 uploading data, be such as Transmission Control Protocol.According to one embodiment of the invention, what operate through protocol encapsulation often organizes the protocol header that measurement data includes a TCP.Like this, the protocol encapsulation completed in step s 201 can reduce the protocol encapsulation operation of acquisition station when uploading data, thus improves the data upload efficiency of acquisition station 120.
Subsequently, harvester 110 performs step S202, sends the transmission request to the data gathered in step S201 to acquisition station.Subsequently, acquisition station 120, after receiving transmission request, can perform step S203.In step S203, return the acknowledge message of asking for this transmission, so that harvester 110 starts transmitting data frame after receiving that message.
Subsequently, harvester 110, after receiving the confirmation message, performs step S204.In step S204, send multiple Frame continuously to acquisition station 120.In other words, be different from and often send the mode that a frame (Frame) replys (acquisition station receives rear feedback reception situation), but harvester 110 sends Frame continuously.According to one embodiment of the invention, in step S204, the quantity sending Frame continuously can be the predetermined quantity (such as 300) of an acquiescence.According to another embodiment of the present invention, in step S204, according to received acknowledge message, first calculate current ink quality instruction (LQI).Here, LQI value is larger then represents that current communication signal intensity is higher.Then, determine according to this LQI value the maximum data N sending Frame continuously.It should be noted that said maximum quantity N refers to the maximum number value that harvester 110 can send continuously here, and be not to send so multiframe data.According to one embodiment of the invention, in step S204, if the M value of these data to be sent is less than N value, then send M Frame continuously.In other words, all Frames of institute's image data are sent continuously.Otherwise if M value is greater than N value, then what send in M Frame continuously is N number of.
According to one embodiment of the invention, according to form determination maximum data value N as follows in step S204.
| LQI value (0-255, be worth more large-signal better) | N (maximum number value) |
| 240-255 | 600 |
| 220-240 | 300 |
| Less than 200 | 10 |
Subsequently, harvester 110, when sending multiple (being such as N) Frame, continues to perform step S205.In step S205, send transmission state request message, so that acquisition station returns the transmission state response message including the numbering not receiving Frame to acquisition station.
Subsequently, acquisition station 120, after receiving status request message, performs step S206.In step S206, return the status response message of the numbering including unreceived Frame.Such as, in the data segment of the message frame of status message, the accepting state of each mark Frame.Like this, the message frame returned can be a large amount of by limited data segment space identification data frame receipt state.Such as, represent with 1 and receive, represent with 0 and do not receive successfully.
Subsequently, after harvester 110 receives transmission state response message, whether the multiple Frame sent before judgement exists packet loss.If there is no packet loss, then complete the transmission task to multiple Frame.If there is packet drop, then harvester 110 performs step S207.In step S207, send the Frame that acquisition station does not receive continuously, so that unreceived Frame before acquisition station 120 reception.Acquisition station performs step S208 subsequently, unreceived Frame before continuing to receive.
In addition, if M value is greater than N, the data gathered in step S201 are not all transferred to acquisition station 120 by the transmission of the N number of Frame of one-time continuous.Method 200, for the Frame do not transmitted in M Frame, continues to perform step S202, S203, S204, S205, S206, S207 and S208, until complete the transmission to gathered data.
In addition, acquisition station 120, after the data receiving harvester 110 transmission collection, can also perform step S209.In step S209, one or more groups measurement data in the data of collection is uploaded to server 130.Due to, the data gathered are one or more groups measurement data through protocol encapsulation operation.Therefore in step S209, no longer repeat the protocol encapsulation to often organizing measurement data.It should be noted that, this harvester 110 carries out the mode of protocol encapsulation in advance to measurement data, the acquisition station 120 of institute's aggregated data is uploaded to server for the data summarizing multiple harvester 110, greatly can save time and power consumption, and improve the efficiency to server transmission data.Subsequently, server 130 can perform step S210, receives the data that acquisition station 120 sends.
Alternatively, according to one embodiment of the invention, harvester 110 sends the cycle first, except the data gathered in transmitting step S201, can also upload the Frame of non-transmission success before the first transmission cycle.Therefore, method 200 can perform step S202, S203, S204, S205, S206, S207 and S208 for the Frame of non-transmission success before the first transmission cycle.Specifically refer to above, repeat no more here.
As mentioned above, according to method 200 of the present invention, by transmitting the mode of multiple Frame continuously, decrease the interaction times between harvester 110 and acquisition station 120, thus improve efficiency of transmission and reduce equipment power dissipation, but also avoid the frequent replacing to device battery.It should be noted that, adopt the equipment of powered battery and maintenance difficult by data transmission method 200 of the present invention, significant increase equipment performance and useful life.In addition, according to method 200 of the present invention, determined the Frame higher limit of transmission continuously by the LQI value of current transmission channel, thus the probability of transmission packet loss can be reduced, further increase the efficiency of transmission of equipment room and reduce power consumption.Moreover, according to method 200 of the present invention, by carrying out protocol encapsulation to often organizing measurement data in harvester 110, making acquisition station 120 after receiving these measurement data, not needing to upload directly to server through protocol encapsulation.Like this, acquisition station 120 can greatly be saved time and power consumption, and improves the efficiency transmitting data to server 130.
Fig. 3 shows the block diagram of harvester 300 according to some embodiments of the invention.As shown in Figure 3, harvester 300 comprises transducer 310 and control unit 320.
Transducer 310 is such as speed probe or vibrating sensor, but is not limited to this.Control unit 320 comprises data processing module 321 and transport module 322.It is a M waiting for transmission Frame that data processing module 321 is suitable for the Data Division gathered in the first transmission cycle.Particularly, according to one embodiment of the invention, transducer 310 gathers one or more groups measurement data within the first transmission cycle, and determines this frequency acquisition measured and acquisition length before collection often organizes measurement data.In other words, type and the length of often organizing measurement data can be different.Data processing module 321 is suitable for carrying out encapsulation operation according to described acquisition station to the agreement of server uploading data by often organizing measurement data, so as acquisition station get and upload often organize measurement data time, no longer perform uploading protocol encapsulation operation.Data processing module 321, subsequently by one or more groups measurement data through protocol encapsulation, is split as M the Frame being suitable for transmitting in wireless channel.It should be noted that protocol encapsulation operation is here not that to realize the present embodiment necessary.
Transport module 322 is suitable for the transmission request of acquisition station transmission to gathered data.Transport module 322 in response to receive acquisition station to transmission request acknowledge message, continuously to acquisition station transmission M Frame at least partially.Particularly, when receiving the confirmation message, transport module 322 calculates link-quality instruction (LQI) according to this acknowledge message.Then, transport module 322 determines the maximum data value N of continuous data transfer frame according to the instruction of this link-quality.If M value is greater than N, transport module 322 is N number of in acquisition station transmission M Frame continuously.If M value is less than or equal to N, transport module 322 transmits whole M Frame to acquisition station continuously.
After completing in M Frame transmission at least partially, transport module 322 sends transmission state request message, so that acquisition station returns the transmission state response message including the numbering wherein not receiving Frame according to this transmission state request message to acquisition station.In response to receiving returned transmission state response message, transport module 322 continues transmission wherein unreceived Frame.In addition, when M value is greater than N, transport module 322 is after the transmission completing wherein unreceived Frame, and the Frame that can also continue not sending in M Frame transmits.In addition, harvester 300 also can be uploaded the Frame of non-transmission success before the first transmission cycle by data processing module 321 and transport module 322.Consistent with the data transfer mode of harvester in Fig. 2 embodiment according to the specific works mode of harvester 300 of the present invention, repeat no more here.
Fig. 4 shows the block diagram of acquisition station 400 according to some embodiments of the invention.As shown in Figure 4, acquisition station 400 comprises control unit 410.Control unit 410 comprises receiver module 411, sending module 412 and upper transmission module 413.
Receiver module 411 is suitable for receiving the right transmission request of harvester, and wherein these data comprise M Frame.Sending module 412 is suitable for, according to received transmission request, returning acknowledge message.Receiver module 411 to be also suitable for receiving continuously in M that harvester sends Frame at least partially, and receive that harvester sends to transmission state request message at least partially in M Frame.Sending module 412 is also suitable for returning the transmission state response message containing the numbering wherein not receiving Frame.Receiver module 411 is also suitable for continuing to receive wherein unreceived Frame.
Alternatively, according to one embodiment of the invention, control unit 410 is suitable for being completed reception by receiver module 411 wherein after unreceived Frame, continue through receiver module 411 perform reception operation continuously and return transmission state response message operation, until complete the reception to gathered data by sending module 412 execution.
Alternatively, according to one embodiment of the invention, the data gathered comprise one or more groups measurement data, often organize measurement data and carry out encapsulation operation according to described acquisition station to the agreement of server uploading data by harvester.Upper transmission module 413 is suitable for one or more groups received measurement data to upload to server, and no longer performs the encapsulation operation of carrying out according to described agreement.The specific works mode of acquisition station 400 is consistent with acquisition station working method in Fig. 2 embodiment, repeats no more here.
A7, method as described in A5, wherein said acquisition station is to the Transmission Control Protocol of the agreement of server uploading data.A8, method according to any one of A1-A7, the scope of wherein said maximum data number of frames N is 10 to 600.A9, method according to any one of A1-A8, wherein, the described first transmission cycle is 5 minutes.B11, data managing method as described in B10, also comprise: after completing and receiving the unreceived Frame that sends of harvester, continue to perform described transmission request step, continuously receiving step, receive transmission state request message, return transmission state response message step, until complete the reception to gathered data.B12, data transmission method as described in B11, wherein, the data gathered comprise one or more groups measurement data, often organize measurement data and carry out encapsulation operation according to described acquisition station to the agreement of server uploading data by harvester, the method also comprises: one or more groups received measurement data uploaded to server, and no longer performs the encapsulation operation of carrying out according to described agreement to often organizing measurement data.C14, device as described in C13, wherein said transport module is also suitable for: when receiving the confirmation message, calculates link-quality instruction (LQI) according to this acknowledge message; The maximum data number of frames N being suitable for transmission is continuously determined according to the instruction of this link-quality; If M value is greater than N, then continuous to acquisition station transmission M Frame in N number of; And if M value is less than or equal to N, then continuously transmit whole M Frame to acquisition station.C15, device as described in C14, wherein, when described M value is greater than N, and after completing the unreceived Frame of described continuation transmission, described transport module is also suitable for: continue to perform transmission transmission solicit operation, transmit operation continuously, send the operation of transmission state request message, until complete the transmission to gathered data.C16, device according to any one of C13-C15, wherein said transducer comprises at least one in transducer, the transducer of monitoring equipment vibration and the transducer of monitoring of environmental temperature that monitoring equipment rotates, and the data gathered in the described first transmission cycle comprise at least one in rotary speed data, vibration data and temperature data.C17, device according to any one of C13-C16, described transducer is suitable for according to following manner image data within the first transmission cycle: perform one or many and measure operation and determined this frequency acquisition measured and acquisition length, to obtain one or more groups measurement data before each measurement operation; Described data processing module, before gathered Data Division is a M waiting for transmission Frame, is also suitable for: carry out encapsulation operation according to described acquisition station to the agreement of server uploading data by often organizing measurement data.C18, device according to any one of C13-C17, wherein within the first transmission cycle, if the Frame that harvester is not uploaded before having this cycle, described transport module is also suitable for: send for the transmission solicit operation of this Frame do not uploaded, continuously transmission operation to acquisition station and send the operation of transmission state request message.C19, device as described in C17, wherein said acquisition station is to the Transmission Control Protocol of the agreement of server uploading data.C20, device according to any one of C13-C19, the scope of wherein said maximum data number of frames N is 10 to 600.C21, device according to any one of C13-C20, wherein, the described first transmission cycle is 5 minutes.D23, acquisition station as described in D22, wherein, described control unit is suitable for after completed the unreceived Frame of reception by described receiver module, continue through receiver module perform described continuous reception operation and receive the operation of transmission state request message, transmission state response message operation is returned, until complete the reception to gathered data with being performed by described sending module.D24, acquisition station as described in D23, wherein, the data gathered comprise one or more groups measurement data, often organize measurement data and carry out encapsulation operation according to described acquisition station to the agreement of server uploading data by harvester; And described control unit also comprises transmission module, be suitable for one or more groups received measurement data to upload to server, and no longer perform the encapsulation operation of carrying out according to described agreement to often organizing measurement data.
In specification provided herein, describe a large amount of detail.But can understand, embodiments of the invention can be put into practice when not having these details.In some instances, be not shown specifically known method, structure and technology, so that not fuzzy understanding of this description.
Similarly, be to be understood that, in order to simplify the disclosure and to help to understand in each inventive aspect one or more, in the description above to exemplary embodiment of the present invention, each feature of the present invention is grouped together in single embodiment, figure or the description to it sometimes.But, the method for the disclosure should be construed to the following intention of reflection: namely the present invention for required protection requires than the feature more multiple features clearly recorded in each claim.Or rather, as claims below reflect, all features of disclosed single embodiment before inventive aspect is to be less than.Therefore, the claims following embodiment are incorporated to this embodiment thus clearly, and wherein each claim itself is as independent embodiment of the present invention.
Those skilled in the art are to be understood that the module of the equipment in example disclosed herein or unit or assembly can be arranged in equipment as depicted in this embodiment, or alternatively can be positioned in one or more equipment different from the equipment in this example.Module in aforementioned exemplary can be combined as a module or can be divided into multiple submodule in addition.
Those skilled in the art are appreciated that and adaptively can change the module in the equipment in embodiment and they are arranged in one or more equipment different from this embodiment.Module in embodiment or unit or assembly can be combined into a module or unit or assembly, and multiple submodule or subelement or sub-component can be put them in addition.Except at least some in such feature and/or process or unit be mutually repel except, any combination can be adopted to combine all processes of all features disclosed in this specification (comprising adjoint claim, summary and accompanying drawing) and so disclosed any method or equipment or unit.Unless expressly stated otherwise, each feature disclosed in this specification (comprising adjoint claim, summary and accompanying drawing) can by providing identical, alternative features that is equivalent or similar object replaces.
In addition, those skilled in the art can understand, although embodiments more described herein to comprise in other embodiment some included feature instead of further feature, the combination of the feature of different embodiment means and to be within scope of the present invention and to form different embodiments.Such as, in the following claims, the one of any of embodiment required for protection can use with arbitrary compound mode.
In addition, some in described embodiment are described as at this can by the processor of computer system or the method implemented by other device performing described function or the combination of method element.Therefore, there is the device of processor formation for implementing the method or method element of the necessary instruction for implementing described method or method element.In addition, the element described herein of device embodiment is the example as lower device: this device is for implementing the function performed by the element of the object in order to implement this invention.
As used in this, unless specifically stated so, use ordinal number " first ", " second ", " the 3rd " etc. to describe plain objects and only represent the different instances relating to similar object, and be not intended to imply the object be described like this must have the time upper, spatially, sequence aspect or in any other manner to definite sequence.
Although the embodiment according to limited quantity describes the present invention, benefit from description above, those skilled in the art understand, in the scope of the present invention described thus, it is contemplated that other embodiment.In addition, it should be noted that the language used in this specification is mainly in order to object that is readable and instruction is selected, instead of select to explain or limiting theme of the present invention.Therefore, when not departing from the scope and spirit of appended claims, many modifications and changes are all apparent for those skilled in the art.For scope of the present invention, be illustrative to disclosing of doing of the present invention, and nonrestrictive, and scope of the present invention is defined by the appended claims.
Claims (10)
1. a data transmission method for harvester execution, comprising:
The Data Division gathered monitoring equipment in the first transmission cycle is a M waiting for transmission Frame;
The transmission request to gathered data is sent to acquisition station;
In response to receive acquisition station to transmission request acknowledge message, continuously to acquisition station transmission M Frame at least partially;
After completing the transmission at least partially in M Frame, send transmission state request message, so that acquisition station returns the transmission state response message of the numbering including wherein unreceived Frame according to this transmission state request message to acquisition station; And
In response to the transmission state response message receiving acquisition station and return, continue transmission wherein unreceived Frame.
2. the method for claim 1, wherein said in response to receiving the acknowledge message of acquisition station to transmission request, comprise to the step at least partially in acquisition station transmission M Frame continuously:
When receiving the confirmation message, calculate link-quality instruction (LQI) according to this acknowledge message;
The maximum data number of frames N being suitable for transmission is continuously determined according to the instruction of this link-quality;
If M value is greater than N, then continuous to acquisition station transmission M Frame in N number of; And
If M value is less than or equal to N, then continuously transmit whole M Frame to acquisition station.
3. method as claimed in claim 2, wherein, when described M value is greater than N, and after completing the unreceived Frame of described continuation transmission acquisition station, the method also comprises:
Continue to perform and send transmission request step, continuously transmitting step and send status request message step, until complete the transmission to M Frame.
4. the method according to any one of claim 1-3, wherein said equipment is monitored and the data gathered comprise the rotating shaft of monitoring equipment and the vibration of the rotary speed data gathered, monitoring equipment and the vibration data gathered and monitoring of environmental temperature and in the temperature data gathered at least one.
5. the method according to any one of claim 1-4, before the described Data Division gathered monitoring equipment in the first transmission cycle of execution is a M waiting for transmission Frame, the method also comprises:
Within the first transmission cycle, perform one or many and measure operation, and determined this frequency acquisition measured and acquisition length, to obtain one or more groups measurement data before each measurement operation;
Encapsulation operation is carried out according to described acquisition station to the agreement of server uploading data by often organizing measurement data.
6. the method according to any one of claim 1-5, within the described first transmission cycle, if the Frame that described harvester is not uploaded before having this cycle, the method also comprises:
Send for the transmission request step of this Frame do not uploaded, continuously transmitting step to acquisition station and send transmission state request message step.
7. a data managing method for acquisition station execution, comprising:
Monitor equipment within the first transmission cycle and the transmission request of the data gathered in response to receiving harvester, return acknowledge message, wherein gathered data comprise M Frame;
In continuous reception M that harvester a sends Frame at least partially;
In response to receiving harvester to transmission state request message at least partially in sent a M Frame, return the transmission state response message containing the numbering wherein not receiving Frame, so that harvester continues to transmit wherein unreceived Frame; And
Continue to receive wherein unreceived Frame.
8. a harvester, comprising:
Transducer, is suitable for carrying out monitoring and image data to equipment;
Control unit, comprising:
Data processing module, the Data Division being suitable for gathering monitoring equipment in the first transmission cycle is a M waiting for transmission Frame;
Transport module, is suitable for sending transmission request to M Frame to acquisition station, and in response to receiving the acknowledge message of acquisition station to transmission request, to transmit in M Frame at least partially continuously to acquisition station,
After completing the transmission at least partially in M Frame, send transmission state request message to acquisition station, so that acquisition station returns the transmission state response message including the numbering wherein not receiving Frame according to this transmission state request message, and
In response to receiving returned transmission state response message, continue the unreceived Frame of transmission.
9. an acquisition station, has control unit, and this control unit comprises:
Receiver module, be suitable for the transmission request receiving the data gathered carrying out monitoring of equipment within the first transmission cycle that harvester sends, wherein gathered data comprise M Frame; And
Sending module, is suitable for, according to received transmission request, returning acknowledge message;
Wherein, receiver module to be also suitable for receiving continuously in M that harvester sends Frame at least partially, and receives harvester to transmission state request message at least partially in sent a M Frame,
Sending module is also suitable for returning the transmission state response message containing the numbering wherein not receiving Frame, and
Receiver module is also suitable for continuing to receive wherein unreceived Frame.
10. an equipment monitoring system, comprising:
One or more harvester as claimed in claim 8;
Acquisition station as claimed in claim 9; And
Server, is suitable for from the data of acquisition station acquisition to monitoring of equipment, and carries out diagnostic analysis by these data to equipment.
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