CN202353611U - Wireless sensor node and wireless sensor network - Google Patents
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- CN202353611U CN202353611U CN2011205450548U CN201120545054U CN202353611U CN 202353611 U CN202353611 U CN 202353611U CN 2011205450548 U CN2011205450548 U CN 2011205450548U CN 201120545054 U CN201120545054 U CN 201120545054U CN 202353611 U CN202353611 U CN 202353611U
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Abstract
Provided are a wireless sensor node and a wireless sensor network. Acquired device vibration signals are sent to a conditioning circuit through a vibration sensing module to be conditioned, and an initial data value of vibration waveform is obtained through modulus of an analog to digital module. Processing is performed through an embedded processor: the network adopts a star-shaped structure, and the obtained initial data value of the vibration waveform is sent to a gateway node through a radio frequency communication physical layer module; and the network adopts a cluster-shaped structure, a characteristic value is calculated according to the initial data value and sent to the gateway node through the radio frequency communication physical layer module, or the initial data value with the characteristic value exceeding a set threshold value is sent to the gateway node through the radio frequency communication physical layer module. The characteristic value or the initial data value of the vibration waveform is stored in a memory, and batteries supply electricity to the embedded processor. Aiming at different vibration acquisition requirements of the wireless sensor network, information values for representing device conditions are acquired and transmitted through different strategies, therefore wireless sensor node and the wireless sensor network are optimized in low power consumption, information integrity and network flexibility.
Description
Technical field
The utility model relates to the technology that adopts wireless technology that equipment is diagnosed, particularly a kind of wireless sensor node and wireless sensor network.
Background technology
Wireless sensor network technology is applied to the collection of status information of equipment and to the monitoring of equipment state; For example; Can gathering to high-speed power such as information such as vehicle fleet size or car speeds; Being penetrated into industry-by-industries such as electric power and logistics with its intellectuality and networked characteristics, is the important directions of future network technical industry innovation and development.
Along with the wireless sensor network technology Application Expansion; Particularly in fields such as industrial equipment diagnosis, fabric structure detection and the detections of large foundation facility; Demand to wireless sensor network is also increasing, thereby also increasingly high to the demand of the wireless sensor node of vibration signal function with collecting device.
Fig. 1 is the wireless sensor network structural representation that prior art provides, and comprises a plurality of wireless sensor nodes, gateway node and server composition, wherein,
Wireless sensor node has a plurality ofly, is used for the respectively vibration signal of collecting device, and draws the characteristic value of equipment, the gateway node under sending to;
Gateway node is used to receive the characteristic value of the equipment that the wireless sensor node of being administered sends, and is transmitted to server;
Server is used to receive the characteristic value of the equipment that gateway node sends, according to the characteristic value diagnostic device of equipment.
The vibration signal of equipment is a kind of fast signal, and sample frequency height and data volume are big, and for the wireless sensor node based on the 802.15.4 of IEEE-USA (IEEE) standard, its power and communication speed all can not satisfy demands of applications.For example, the message transmission rate of IEEE802.15.4 is 250 kilobytes per second(KBPS)s (kbps), and to the vibration signal of fairly large system acquisition equipment and when transmitting, the network capacity of wireless sensor network will satisfy the demands.
All be after adopting periodic sampling when the vibration signal of wireless sensor node collecting device; Calculate the characteristic value of vibration signal; With the method that the characteristic value of equipment is transmitted, the device analysis amount of information that characteristic value comprised of equipment seldom is unfavorable for the judgement of equipment state.But; If with the vibration signal value, just the initial data of vibrational waveform is transferred to server through gateway node, can be beneficial to the judgement of equipment state; But, will improve the power consumption of wireless sensor node and the demand of transmission rate because data amount transmitted is big.This has just caused wireless sensor network realizing Equipment Inspection and carrying out the contradiction that equipment state is judged.
At present, there are several kinds of concrete employing wireless sensor networks to realize Equipment Inspection and the scheme of carrying out the equipment state judgement.
Scheme one; Open day be on 08 11st, 2011 disclosed; Publication number is " CN102147612A ", and denomination of invention has proposed a kind of wireless sensor network data acquisition system based on 32-bit microprocessor for the patent of " a kind of wireless sensor network data acquisition system based on 32-bit microprocessor ", is made up of host computer and wireless sensor network system; Wireless sensor network system comprises coordinator node, routing node and sensor node; Processor module adopts 32-bit microprocessor in the node, to improve processing speed and efficient, and conflict and loss of data phenomenon when avoiding 8 when multiple interrupt, to occur with the microprocessor of 16 bit.
Scheme one is in order to guarantee the stability of wireless sensor node in data amount transmitted, the processor performance of wireless sensor node improved, but to the power consumption and but not improvement of transmission rate of wireless sensor node.
Scheme two; Open day is that on August 6th, 2008 is disclosed; Application number is the patent application of " 200810100918 "; Proposed a kind of online failure detection method for industrial wireless sensor network, sensor node is gathered sensing data at a plurality of time points, and sensing data is uploaded to the network control management system; System is calculated difference value between the instability of the data instability of sensor node and network data; Value according to confidence level judges whether said sensor node is suspicious for the first time: based on the result and the confidence level sequence of first judgement, the network control management system is carried out the calculating of the nondeterministic statement distribution density of suspicious sensor node, and comes the final fault of judging sensor node according to the regularity of distribution of the nondeterministic statement of the calculating of suspicious sensor node.
Scheme two is to guarantee the stability of transducer in the data amount transmitted process through the fault of judging sensor node, but the power consumption and the transmission rate of wireless sensor node are not but improved.
Scheme three; Open day is on July 30th, 2008; Application number is the patent application of 200810100918 title, has proposed a kind of method, wireless sensor network system and synchronizer of realizing synchronous acquisition, and the synchronizer of wireless sensor network system receives trigger messages; Said trigger messages is sent to each wireless sensor network node; Each wireless sensor network node begins transmission or storage valid data, and said valid data are the data that wireless sensor network node is gathered after wireless sensor network system receives trigger messages, realize that each wireless sensor network node is in the synchronization image data.
Scheme three just discloses the device of wireless sensor node synchronous data collection, but the power consumption and the transmission rate of wireless sensor node are not but improved.
Scheme four, open day is on November 14th, 2007, application number is 200710039461 patent application; A kind of body territory wireless sensor network and information acquisition and transmission method thereof have been proposed; Adopt the distributed self-adaption energy optimization mechanism of sensor node,, cut down the consumption of energy through the communication system parameter is dynamically adjusted; Improve network performance, be implemented in the transmission of sharing the multiple physiological signal under the wireless transmission channel of human body territory.
Scheme four just discloses through the dynamic adjustment to the communication system parameter and has cut down the consumption of energy, but the transmission rate of Wireless Transmitter node is not but improved.
To sum up; Though existing four schemes have adopted different modes to realize that the employing wireless sensor network detects and the judgment device state equipment; But all can't solve under the prerequisite that guarantees accurate Device Diagnostic, reduce power consumption, improve efficiency of transmission and flexibility.
The utility model content
In view of this, the utility model provides a kind of wireless sensor node, and this wireless sensor node can reduce power consumption and improve efficiency of transmission on the basis that guarantees accurate diagnostic device state effectively.
The utility model also provides a kind of wireless sensor network, and this wireless sensor network can reduce power consumption and improve efficiency of transmission on the basis that guarantees accurate diagnostic device state effectively.
According to above-mentioned purpose, the technical scheme of the utility model is achieved in that
A kind of wireless sensor node comprises: vibrating sensing module, modulate circuit, modulus AD module, flush bonding processor, radio communication physical layer block, memory and battery, wherein,
The vibrating sensing module is used for the collecting device vibration signal, and the equipment vibrating signal of being gathered is sent to modulate circuit;
Modulate circuit after the equipment vibrating signal conditioning that is used for the vibrating sensing module is sent, obtains the vibration equipment waveform, sends to the AD module;
The AD module is used for the number conversion of vibration equipment fluted mould is obtained the raw value of vibration equipment waveform, sends to flush bonding processor;
Flush bonding processor is used for when wireless sensor network is the transmission of star structure and vibrational waveform, and the raw value of vibration equipment waveform is sent to radio communication physical layer block and memory; When wireless sensor network is bunch shape structure; Raw value according to the vibration equipment waveform calculates characteristic value, and resulting characteristic value or the raw value that surpasses the vibrational waveform of characteristic value threshold value are sent to radio communication physical layer block and memory;
The radio communication physical layer block is used for the raw value or the characteristic value of the vibration equipment waveform that receives from flush bonding processor or memory are sent;
Memory is used for the raw value or the characteristic value of memory device vibrational waveform;
Battery is used for flush bonding processor is supplied power.
Said memory also is used for when the raw value of transmitting apparatus vibrational waveform or characteristic value failure the raw value of memory device vibrational waveform or characteristic value;
In subsequent sampling in the cycle, judge that radio communication recovers normal, the raw value or the characteristic value of the vibrational waveform of memory stores are redispatched away.
Whether said flush bonding processor, the characteristic value that also is used to confirm calculate greater than the characteristic value threshold value of setting, if then the raw value of vibration equipment waveform is sent to radio communication physical layer mould and determine and memory; If, do not carry out the process that resulting characteristic value is sent to radio communication physical layer block and memory.
A kind of wireless sensor network, this network configuration is a star structure, is used for the transmission of vibrational waveform, gateway node of a plurality of wireless sensor node wireless connections, a plurality of gateway nodes are connected on the server through wired mode, wherein,
Wireless sensor node is used for the vibration signal of collecting device, obtain the raw value of vibration equipment waveform according to the vibration signal of equipment after, send to affiliated gateway node;
Gateway node is used to receive the raw value of the vibration equipment waveform that the wireless sensor node of being administered sends, and is transmitted to server;
Server is used to receive the raw value of the vibration equipment waveform that gateway node sends, according to the raw value diagnostic device of vibration equipment waveform.
Said wireless sensor node; Also be used for the raw value of the vibration equipment waveform that sends failure is stored; When raw value transmission success, the raw value of vibration equipment waveform of storage is sent to gateway node at the vibrational waveform of subsequent sampling in the cycle.
This network configuration is a bunch shape structure; Be used for characteristic value or surpass the original vibration data value transmission under the characteristic value threshold value situation; One bunch wireless sensor node of a plurality of wireless sensor node wireless connections, a plurality of bunches wireless sensor nodes connect a gateway node, and a plurality of gateway nodes are connected on the server through wired mode again; Wherein
Wireless sensor node; The vibration signal that is used for collecting device; After obtaining the raw value of vibration equipment waveform according to the vibration signal of equipment; After calculating characteristic value according to the raw value of resulting vibration equipment waveform, with resulting characteristic value or surpass the raw value of the vibrational waveform of characteristic value threshold value, send to a bunch wireless sensor node;
A bunch wireless sensor node is used to receive characteristic value that wireless sensor node sends or the raw value that surpasses the vibrational waveform of characteristic value threshold value, the gateway node under sending to;
Gateway node is used to receive bunch characteristic value that a wireless sensor node sends of being administered or the raw value that surpasses the vibrational waveform of characteristic value threshold value, is transmitted to server;
Server, the raw value that is used to receive the characteristic value of gateway node transmission or surpasses the vibrational waveform of characteristic value threshold value, diagnostic device.
Said wireless sensor node also is used for the characteristic value storage of sending failure when the characteristic value transmission success in the subsequent sampling cycle, is sent to gateway node with the characteristic value of storing.
Whether said wireless sensor node, the characteristic value that also is used to confirm to calculate be greater than the characteristic value threshold value of setting, if then the raw value of vibration equipment waveform is sent and storage; If, do not carry out the process that resulting characteristic value is sent and stored.
Can find out from such scheme; Wireless sensor node in the utility model is made up of vibrating sensing module, modulate circuit, modulus (AD) module, flush bonding processor, radio communication physical layer block, memory and battery; Wherein, The vibrating sensing module sends to the modulate circuit conditioning with the equipment vibrating signal of gathering, and obtains the raw value of vibrational waveform after the analog-to-digital conversion through the AD module.Handle by flush bonding processor: when needs are gathered original vibrational waveform, the network using star structure, the raw value that will obtain vibrational waveform through the radio communication physical layer block sends to gateway node; When the needs low power operation; Network using bunch shape structure; According to the raw value computation of characteristic values that obtains vibrational waveform; Strategy according to the user is provided with in advance perhaps sends to gateway node with characteristic value through the radio communication physical layer block, and the original waveform that perhaps characteristic value is surpassed pre-set threshold sends to gateway node through the radio communication physical layer block.The raw value of institute's computation of characteristic values or vibrational waveform is stored in the memory by flush bonding processor, and battery is used for supplying power to flush bonding processor.Like this, the utility model characterizes the value of information of equipment state through Different Strategies collection and transmission, thereby on low-power consumption, information integrity and network flexibility, reaches optimization to different wireless sensor network vibration acquisition demands.
Description of drawings
The wireless sensor network structural representation that Fig. 1 provides for prior art;
The wireless sensor node structural representation that Fig. 2 provides for the utility model;
Wireless sensor network structure one sketch map that Fig. 3 provides for the utility model;
Wireless sensor network structure two sketch mapes that Fig. 4 provides for the utility model;
The wireless sensor network structure two that Fig. 5 provides for the utility model is at transmission feature value method embodiment one flow chart;
The wireless sensor network structure two that Fig. 6 provides for the utility model is at transmission feature value method embodiment two flow charts;
The wireless sensor network structure one that Fig. 7 provides for the utility model is at the raw value method embodiment flow chart of transmission vibrational waveform;
The embodiment flow chart that the wireless sensor node that Fig. 8 provides for the utility model sends the raw value or the characteristic value of the vibrational waveform of being stored.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer, below with reference to the accompanying drawing embodiment that develops simultaneously, the utility model is done further explain.
The utility model is in order accurately to confirm on the basis of equipment state at server; Reduce the power consumption of wireless sensor node and improve data transmission efficiency; Adopted following method: when the residing wireless sensor network of wireless sensor node not simultaneously; The vibration equipment of being gathered is carried out different disposal, obtain different data values and be transferred to the judgement that server carries out equipment state.
The utility model can be applied in to be gathered the information of vehicles of highway, gathers such as the Board Lot information of vehicle or the velocity information of vehicle etc., is gathered by wireless senser.
Fig. 2 is the wireless sensor node structural representation that the utility model provides, and comprising: vibrating sensing module, modulate circuit, AD module, flush bonding processor, radio communication physical layer block, memory and battery, wherein,
The vibrating sensing module is used for the collecting device vibration signal, and the equipment vibrating signal of being gathered is sent to modulate circuit;
Modulate circuit after being used for the equipment vibrating signal that the vibrating sensing module is sent nursed one's health, obtains the vibration equipment waveform, sends to the AD module;
The AD module is used for obtaining the raw value of vibration equipment waveform to after carrying out analog-to-digital conversion through the analog machine vibration signal of nursing one's health, and sends to flush bonding processor;
Flush bonding processor is used for when wireless sensor network is the transmission of star structure and vibrational waveform, and the raw value of vibration equipment waveform is sent to radio communication physical layer block and memory; When wireless sensor network is bunch shape structure; Raw value according to the vibration equipment waveform calculates characteristic value, and resulting characteristic value or the raw value that surpasses the vibrational waveform of characteristic value threshold value are sent to radio communication physical layer block and memory;
The radio communication physical layer block is used for the raw value or the characteristic value of the vibration equipment waveform that receives from flush bonding processor or memory are sent;
Memory is used for the raw value or the characteristic value of memory device vibrational waveform;
Battery is used for flush bonding processor is supplied power.
In this structure; The radio communication physical layer block is based on the IEEE802.15.4 agreement; Have lower power consumption and the transmission rate of 250kbps, flush bonding processor adopts the ARM structure, and its built-in static RAM (SRAM) memory capacity is greater than 32 kilobytes (KB); Be convenient to handle the equipment vibrating signal of big data quantity, memory adopts flash memory flash.
In this structure, vibrating sensing module, modulate circuit and AD module can be selected dissimilar according to different application environments.
In this structure, said memory also is used for when the raw value of transmitting apparatus vibrational waveform or characteristic value failure the raw value of memory device vibrational waveform or characteristic value;
When the raw value of the vibrational waveform of subsequent sampling in the cycle or characteristic value transmission success, the raw value or the characteristic value of the vibrational waveform of memory stores sent.
In this structure, said flush bonding processor, whether the characteristic value that also is used to confirm to calculate is greater than the characteristic value threshold value of setting, if then the raw value with the vibration equipment waveform sends to radio communication physical layer block and memory; If, do not carry out the process that resulting characteristic value is sent to radio communication physical layer block and memory.
Wireless sensor network structure one sketch map that Fig. 3 provides for the utility model; This topology of networks is a star structure, gateway node of a plurality of wireless sensor node wireless connections, and a plurality of gateway nodes are connected on the server through wired mode again; Particularly
Wireless sensor node is used for the vibration signal of collecting device, obtain the raw value of vibration equipment waveform according to the vibration signal of equipment after, send to affiliated gateway node;
Gateway node is used to receive the raw value of the vibration equipment waveform that the wireless sensor node of being administered sends, and is transmitted to server;
Server is used to receive the raw value of the vibration equipment waveform that gateway node sends, according to the raw value diagnostic device of vibration equipment waveform.
In this network; Wireless sensor node; Also be used for the raw value of the vibration equipment waveform that sends failure is stored, when the raw value transmission success at the vibrational waveform in subsequent sampling cycle, the raw value with the vibration equipment waveform of storage sends to gateway node again.
Adopt the wireless sensor network of star topology, Network Transmission is limited in scope, but just can the raw value of concrete vibration equipment waveform be sent to server without transmitting, so forwarding delay is smaller.
Wireless sensor network structure two sketch mapes that Fig. 4 provides for the utility model; The topological structure of this network configuration is a bunch shape structure; One bunch wireless sensor node of a plurality of wireless sensor node wireless connections, a plurality of bunches wireless sensor nodes connect a gateway node, and a plurality of gateway nodes are connected on the server through wired mode again; Particularly
Wireless sensor node is used for the vibration signal of collecting device, obtain characteristic value according to the vibration signal of equipment after, with resulting characteristic value or surpass the raw value of the vibrational waveform of characteristic value threshold value, send to a bunch wireless sensor node;
A bunch wireless sensor node is used to receive characteristic value that wireless sensor node sends or the raw value that surpasses the vibrational waveform of characteristic value threshold value, the gateway node under sending to;
Gateway node is used to receive bunch characteristic value that a wireless sensor node sends of being administered or the raw value that surpasses the vibrational waveform of characteristic value threshold value, is transmitted to server;
Server, the raw value that is used to receive the characteristic value of gateway node transmission or surpasses the vibrational waveform of characteristic value threshold value, diagnostic device.
In this network; Wireless sensor node; Also be used for the characteristic value of sending failure is stored, when at the characteristic value transmission value in subsequent sampling cycle or when surpassing the raw value transmission success of vibrational waveform of characteristic value threshold value, the characteristic value with storage sends to gateway node again.
In this network, said wireless sensor node, whether the characteristic value that also is used to confirm to calculate is greater than the characteristic value threshold value of setting, if then the raw value of vibration equipment waveform is sent and storage; If, do not carry out the process that resulting characteristic value is sent and stored.
Adopt the wireless sensor network of bunch shape topological structure, the increase of Network Transmission scope needs process to transmit data volume is smaller and the characteristic value consersion unit state sends to server, so forwarding delay is also little.In this structure, a different bunch wireless sensor node can also be based on different wireless frequencies when sending characteristic value, and the transmission that reduces between the different bunch wireless sensor node is disturbed.
The wireless sensor network structure two that Fig. 5 provides for the utility model is at transmission feature value method embodiment one flow chart, and its concrete steps are:
The vibration signal of step 501, wireless sensor node collecting device obtains characteristic value according to the vibration signal of equipment;
In this step; Characteristic value for calculate according to the raw value of vibration equipment waveform such as mean value, peak-to-peak value and variance yields etc.; Computational methods are prior art, repeat no more here, and the raw value of vibration equipment waveform is to confirm according to the vibration signal of the equipment of being gathered;
In this step, storing is can the characteristic value of being stored to be extracted once more and send after this characteristic value failure of wireless sensor node transmission in order to guarantee.
The wireless sensor network structure two that Fig. 6 provides for the utility model is at transmission feature value method embodiment two flow charts, and its concrete steps are:
The vibration signal of step 601, wireless sensor node collecting device obtains characteristic value according to the vibration signal of equipment;
Whether step 602, wireless sensor node judge the characteristic value that calculates greater than the characteristic value threshold value of setting, if, execution in step 603; If not, execution in step 604;
In this step, the characteristic value threshold value of setting is that wireless sensor network is according to the set reasonable characteristic value threshold value of theory, under this threshold value; The devices illustrated state is normal; Surpass this threshold value, explain that then this equipment has fault, need analyze the initial data of vibrational waveform;
The wireless sensor network structure one that Fig. 7 provides for the utility model is at the raw value method embodiment flow chart of transmission vibrational waveform, and its concrete steps are:
The vibration signal of step 701, wireless sensor node collecting device obtains the raw value of vibrational waveform according to the vibration signal of equipment;
The embodiment flow chart that the wireless sensor node that Fig. 8 provides for the utility model sends the raw value or the characteristic value of the vibrational waveform of being stored, its concrete steps are:
Raw value or characteristic value with the vibrational waveform that obtains that step 801, wireless sensor node will obtain send to gateway node;
The raw value or the characteristic value of the vibrational waveform that step 804, wireless sensor node determine whether newly to obtain are if change step 801 over to and continue to carry out; If then execution in step 805 not;
In this embodiment, wireless sensor node can constantly be stored data when data transmission fails, after sending successfully, the data taking-up of being stored is sent, and has so just avoided the Wireless Transmitter network when the transmission data, to lose.
More than lift preferred embodiment; Purpose, technical scheme and advantage to the utility model have been carried out further explain, it should be understood that the above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; All within the spirit and principle of the utility model, any modification of being done, be equal to replacement and improvement etc., all should be included within the protection range of the utility model.
Claims (8)
1. a wireless sensor node is characterized in that, comprising: vibrating sensing module, modulate circuit, modulus AD module, flush bonding processor, radio communication physical layer block, memory and battery, wherein,
The vibrating sensing module is used for the collecting device vibration signal, and the equipment vibrating signal of being gathered is sent to modulate circuit;
Modulate circuit after the equipment vibrating signal conditioning that is used for the vibrating sensing module is sent, obtains the vibration equipment waveform, sends to the AD module;
The AD module is used for the number conversion of vibration equipment fluted mould is obtained the raw value of vibration equipment waveform, sends to flush bonding processor;
Flush bonding processor is used for when wireless sensor network is the transmission of star structure and vibrational waveform, and the raw value of vibration equipment waveform is sent to radio communication physical layer block and memory; When wireless sensor network is bunch shape structure; Raw value according to the vibration equipment waveform calculates characteristic value, and resulting characteristic value or the raw value that surpasses the vibrational waveform of characteristic value threshold value are sent to radio communication physical layer block and memory;
The radio communication physical layer block is used for the raw value or the characteristic value of the vibration equipment waveform that receives from flush bonding processor or memory are sent;
Memory is used for the raw value or the characteristic value of memory device vibrational waveform;
Battery is used for flush bonding processor is supplied power.
2. wireless sensor node as claimed in claim 1 is characterized in that, said memory also is used for when the raw value of transmitting apparatus vibrational waveform or characteristic value failure the raw value of memory device vibrational waveform or characteristic value;
In subsequent sampling in the cycle, judge that radio communication recovers normal, the raw value or the characteristic value of the vibrational waveform of memory stores are redispatched away.
3. wireless sensor node as claimed in claim 1; It is characterized in that; Said flush bonding processor; Whether the characteristic value that also is used to confirm to calculate is greater than the characteristic value threshold value of setting, if then the raw value with the vibration equipment waveform sends to radio communication physical layer block and memory; If, do not carry out the process that resulting characteristic value is sent to radio communication physical layer block and memory.
4. a wireless sensor network is characterized in that, this network configuration is a star structure, is used for the transmission of vibrational waveform, gateway node of a plurality of wireless sensor node wireless connections, and a plurality of gateway nodes are connected on the server through wired mode, wherein,
Wireless sensor node is used for the vibration signal of collecting device, obtain the raw value of vibration equipment waveform according to the vibration signal of equipment after, send to affiliated gateway node;
Gateway node is used to receive the raw value of the vibration equipment waveform that the wireless sensor node of being administered sends, and is transmitted to server;
Server is used to receive the raw value of the vibration equipment waveform that gateway node sends, according to the raw value diagnostic device of vibration equipment waveform.
5. wireless sensor network as claimed in claim 4; It is characterized in that; Said wireless sensor node; Also be used for the raw value of the vibration equipment waveform that sends failure is stored, when raw value transmission success, the raw value of the vibration equipment waveform of storage sent to gateway node at the vibrational waveform of subsequent sampling in the cycle.
6. a wireless sensor network is characterized in that, this network configuration is a bunch shape structure; Be used for characteristic value or surpass the original vibration data value transmission under the characteristic value threshold value situation; One bunch wireless sensor node of a plurality of wireless sensor node wireless connections, a plurality of bunches wireless sensor nodes connect a gateway node, and a plurality of gateway nodes are connected on the server through wired mode again; Wherein
Wireless sensor node; The vibration signal that is used for collecting device; After obtaining the raw value of vibration equipment waveform according to the vibration signal of equipment; After calculating characteristic value according to the raw value of resulting vibration equipment waveform, with resulting characteristic value or surpass the raw value of the vibrational waveform of characteristic value threshold value, send to a bunch wireless sensor node;
A bunch wireless sensor node is used to receive characteristic value that wireless sensor node sends or the raw value that surpasses the vibrational waveform of characteristic value threshold value, the gateway node under sending to;
Gateway node is used to receive bunch characteristic value that a wireless sensor node sends of being administered or the raw value that surpasses the vibrational waveform of characteristic value threshold value, is transmitted to server;
Server, the raw value that is used to receive the characteristic value of gateway node transmission or surpasses the vibrational waveform of characteristic value threshold value, diagnostic device.
7. wireless sensor network as claimed in claim 6 is characterized in that, said wireless sensor node also is used for the characteristic value storage of sending failure when the characteristic value transmission success in the subsequent sampling cycle, is sent to gateway node with the characteristic value of storing.
8. like claim 5 or 6 described wireless sensor networks; It is characterized in that, said wireless sensor node, whether the characteristic value that also is used to confirm to calculate is greater than the characteristic value threshold value of setting; If then the raw value of vibration equipment waveform is sent and storage; If, do not carry out the process that resulting characteristic value is sent and stored.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103118097A (en) * | 2013-01-25 | 2013-05-22 | 电子科技大学 | Data transmission method in wireless sensor network |
| CN104570061A (en) * | 2015-01-12 | 2015-04-29 | 中国石油集团东方地球物理勘探有限责任公司 | Seismic exploration wireless monitoring node and monitoring method and system based on same |
| CN107634738A (en) * | 2017-11-01 | 2018-01-26 | 合肥艾斯克光电科技有限责任公司 | A kind of wireless supervisory control system based on nodal frequency regulation and control |
| CN110274683A (en) * | 2019-07-20 | 2019-09-24 | 交通运输部公路科学研究所 | Can cooperated computing three axis intelligent vibration sensors |
| CN111047729A (en) * | 2019-12-30 | 2020-04-21 | 重庆能工科技发展有限公司 | Attendance system and method based on intelligent access control |
| CN113656479A (en) * | 2021-08-18 | 2021-11-16 | 国网北京市电力公司 | Data processing method and device |
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2011
- 2011-12-23 CN CN2011205450548U patent/CN202353611U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103118097A (en) * | 2013-01-25 | 2013-05-22 | 电子科技大学 | Data transmission method in wireless sensor network |
| CN104570061A (en) * | 2015-01-12 | 2015-04-29 | 中国石油集团东方地球物理勘探有限责任公司 | Seismic exploration wireless monitoring node and monitoring method and system based on same |
| CN107634738A (en) * | 2017-11-01 | 2018-01-26 | 合肥艾斯克光电科技有限责任公司 | A kind of wireless supervisory control system based on nodal frequency regulation and control |
| CN110274683A (en) * | 2019-07-20 | 2019-09-24 | 交通运输部公路科学研究所 | Can cooperated computing three axis intelligent vibration sensors |
| CN111047729A (en) * | 2019-12-30 | 2020-04-21 | 重庆能工科技发展有限公司 | Attendance system and method based on intelligent access control |
| CN113656479A (en) * | 2021-08-18 | 2021-11-16 | 国网北京市电力公司 | Data processing method and device |
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