CN103729994A - Data collecting method of grapheme sensor and networking - Google Patents
Data collecting method of grapheme sensor and networking Download PDFInfo
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- CN103729994A CN103729994A CN201310731703.7A CN201310731703A CN103729994A CN 103729994 A CN103729994 A CN 103729994A CN 201310731703 A CN201310731703 A CN 201310731703A CN 103729994 A CN103729994 A CN 103729994A
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Abstract
The invention relates to a data collecting method of a grapheme sensor and a networking. The networking comprises a set with a plurality of nodes, wherein the set comprises at least one wireless network (100, 200) with a plurality of nodes, and two adjacent nodes transfer data between each other by virtue of radio waves; each wireless network comprises at least one other network (300, 400) with a plurality of nodes, two adjacent nodes (311, 312,..., 31n, 411, 412,..., and 41n) transfer the data by virtue of a cable (321, 322,..., 32(n-1), 421, 422,..., and 42(n-1)), the data are also transferred by virtue of the radio waves, and the at least one other network forms a cable network with a plurality of nodes. With the adoption of the data collecting method and the networking, the maintenance cost of large-scale network nodes is greatly lowered, the energy consumption of the networking is reduced, and the data collecting method and the networking have wide application ranges.
Description
Technical field
The present invention relates to a data acquisition network being formed by node (node), wherein part of nodes is by wireless connections (wireless link) swap data, and other nodes connect (cabled link) swap data by wired (wire) or cable.
The invention particularly relates to a Graphene sensor data acquisition method and networking, node is wherein comprised of Graphene sensor.The invention still further relates to a Graphene gas sensor by the installation composition transmitting and receive data by wireless connections and/or wired connection.The present invention is especially applied to coal mine safety monitoring field.In this application, be arranged in Graphene gas sensing sensor under mine and be used to receive composition and the index of various gases under mine.The processing of these gases is made to build a mine safety early warning being detected and become possibility.
Background technology
Those skilled in the art knows multiple equipment of realizing a data acquisition network.When this data acquisition network is comprised of the set of multiple Graphene sensors, the sensor that these equipment are connected to " node " of this network by wired or cable together by the form with group conventionally forms.These nodes are organized with the form of organizing around one " concentrator (concentrator) " conventionally, one group node, add its around concentrator, form a subnet (subnetwork), and be wired connection equally at this concentrator and these internodal connections.The subnet of these concentrator local management nodes, for these nodes provide energy supply intensive data.These concentrators are connected in a local computer network, and it is a cable network equally, and this network is connected in a central location, the data that this central location drives this subnet of this collection merge record to produce.
These traditional solutions by those skilled in the art crowd known, be not described in detail below.These solutions have shortcoming, need the cable of numerous cable and corresponding length, and cable is difficult to move and be arranged in an operating point.Proposed by the network of wireless connections (RF) image data, in particular for the application about mine, because such network has lot of advantages.Each node of the wireless network of Graphene sensor is equipped with at least one sensor.The data that gather in each node rank by with low-power transmission so that it can at least arrive an adjacent node (neighboring node), this adjacent node makes these data can arrive another adjacent node by that analogy as relaying until these data arrive destination, normally this concentrator.This technology is called as multi-hop technology (multihop technique).
It is difficult that a node from network carries out radio communication to another node, even may not realize.So in the field that is difficult to even cannot be undertaken by RF ripple data transmission, this RF wave datum transmission is substituted by wire transmission.In order to accomplish this point, each data acquisition equipment is equipped with one or the other a system automatically switching in RF ripple or cable.In order to transmit data by RF ripple or cable, be necessary to realize two different agreements for data transmission, whether one or the other that depends on these transmission modes is used.Such necessity particularly with the distance dependent of required consideration, may be present in the distance between a data acquisition equipment and this center system.And these different agreements are used distinct hardware unit.Therefore, this equipment provides a complicated solution.
Summary of the invention
For overcoming the above problems, the invention provides a kind of Graphene sensor data acquisition method and networking, for carry out the network of data acquisition by wireless connections, especially use the wireless network of the Graphene sensor of multi-hop technology to be enhanced.This target is achieved under framework of the present invention, a data acquisition network being formed by the combination of node, the set of this node itself is comprised of the wireless network (wireless network) of at least one multiple node again, two adjacent nodes are each other by radiowave (radio wave) transmission data therein, it comprises other networks of at least one multiple node, two adjacent nodes are transmitting data to each other by a cable therein, these data are also passed radio wave transmissions therein, the cable network (cabled network) of multiple nodes of described at least one other network composition.
For reaching above object, the present invention has adopted following technical scheme: a kind of Graphene sensor data acquisition method and networking, comprise the set of multiple nodes, this set itself comprises the wireless network (100 of at least one multiple node, 200), two adjacent nodes are transmitting data to each other by radiowave therein, it comprises other networks (300 of at least one multiple node, 400), two adjacent nodes (311 therein, 312, 31n, 411, 412, 41n) passing through to each other a cable (321, 322, 32 (n-1), 421, 422, 42 (n-1)) transmission data, data are also passed radio wave transmissions therein, described at least one other network form the cable network of multiple nodes.
Each node of the network (100,200) of at least one multiple node of the present invention (111,112 ... 11n), (211,212 ... 21n) } comprise at least two antennas { (111a, 111b), (112a, 112b),, (11na, 11nb), (211a, 211b), (212a, 212b),, (21na, 21nb) }; Lay respectively at the node (311) of one of end of the cable network of the plurality of node and (31n) be to form based on a node, this node comprises at least two antennas and one of these antenna at least, this antenna can be removed, and is arranged at respectively one and can receives a cable ends (321a) and (on 32 (n-1) stationary installation b); The node (312) of the cable network (300) of the plurality of node, 31 (n-1)) be to form based on a node, this node comprises at least two antennas and two in these antenna at least, and these antennas can be removed, and being arranged at can receiving cable end (321b, (322a, 322b) ..., on 32 (n-1) stationary installation separately a); Be positioned at respectively the node (411 of one of end of the cable network (400) of the plurality of node, 41n) to comprise at least two antenna { (411a based on one, 411b), (41na, 41nb) } and at least one can receive a cable ends (421a, the node of 42 (n-1) stationary installation b) and forming.
Accompanying drawing explanation
Fig. 1 is that the present invention can measuring point network.
Fig. 2 is down-hole inductor and wireless network.
Embodiment
A kind of Graphene sensor data acquisition method of the present invention and networking, comprise the set of multiple nodes, this set itself comprises the wireless network (100 of at least one multiple node, 200), two adjacent nodes are transmitting data to each other by radiowave therein, it comprises other networks (300 of at least one multiple node, 400), two adjacent nodes (311 therein, 312, 31n, 411, 412, 41n) passing through to each other a cable (321, 322, 32 (n-1), 421, 422, 42 (n-1)) transmission data, data are also passed radio wave transmissions therein, described at least one other network form the cable network of multiple nodes.
Each node of the network (100,200) of at least one multiple node of the present invention (111,112 ... 11n), (211,212 ... 21n) } comprise at least two antennas { (111a, 111b), (112a, 112b),, (11na, 11nb), (211a, 211b), (212a, 212b),, (21na, 21nb) }; Lay respectively at the node (311) of one of end of the cable network of the plurality of node and (31n) be to form based on a node, this node comprises at least two antennas and one of these antenna at least, this antenna can be removed, and is arranged at respectively one and can receives a cable ends (321a) and (on 32 (n-1) stationary installation b); The node (312) of the cable network (300) of the plurality of node, 31 (n-1)) be to form based on a node, this node comprises at least two antennas and two in these antenna at least, and these antennas can be removed, and being arranged at can receiving cable end (321b, (322a, 322b) ..., on 32 (n-1) stationary installation separately a); Be positioned at respectively the node (411 of one of end of the cable network (400) of the plurality of node, 41n) to comprise at least two antenna { (411a based on one, 411b), (41na, 41nb) } and at least one can receive a cable ends (421a, the node of 42 (n-1) stationary installation b) and forming.
Shown in Fig. 1, a kind of Graphene sensor data acquisition method of the present invention and networking, described network is comprised of the set of multiple nodes, this set itself at least comprises the wireless network 100,200 of multiple nodes, and it is respectively by node 111,112,, 11n and 211,222,21n composition, two of described network 100,200 adjacent nodes are connected and are communicated with one another by RF therein.The set of this node also comprises other networks 300 of at least one multiple node, it is by node 311,312,, 31n composition, two of described network 300 continuous nodes are by a cable 321 therein, 322,, 32 (n-1) are transmitting data each other, the cable network of multiple nodes of these cable compositions.
The wireless network 100,200 of multiple nodes is comprised of node, and each node comprises respectively at least two antenna (111a, 111b), (112a, 112b),, (11na, 11nb) and (211a, 211b), (212a, 212b) ... (21na, 21nb).
The antenna of a node and this wireless network 100, the antenna of 200 same node is by a connector (coupler, not shown) electrical connection, thus when providing space diversity when sending and receiving, make the possibility that reduces received blackout become possibility.Replace and be located at two electrical connections between antenna, according to an interchangeable embodiment of the present invention, can use an antenna switching unit, it makes to select one or the other in two antennas to become possibility in transmission with in receiving, thereby as a function that detects quality of connection on each antenna.
The cable network 300 of the plurality of node is by the node 311,312 of continuous distribution ..., the set composition of 31 (n-1).These nodes 311 and 31n make respectively between the wireless network 100 of multiple nodes and the cable network 300 of multiple nodes, and between the wireless network 200 of multiple nodes and the cable network 300 of multiple nodes, complete relaying and become possibility.
Identical with the agreement of wireless network 100 at multiple nodes and 200 interior transmission data for the agreement in the interior transmission data of cable network 300 of multiple nodes, i.e. the agreement of a radio type.In more general mode, the wireless network 100,200 of multiple nodes passes through radio wave transmissions data between node.When these data arrive the input end of cable network 300 of the plurality of node, the data that the wireless network of multiple nodes 100,200 produces are still by radio wave transmissions, but are transmission rather than propagated by RF in a cable now.It is possible in the cable network of the plurality of node, by radiowave, carrying out data transmission, because the distance of two adjacent nodes in the cable network of the plurality of node is very short.
The node 311 and the 31n that are positioned at the end of the cable network of the plurality of node form based on a node, this node comprises at least two antennas and one of these antenna at least, this antenna is movably, is installed in a stationary installation that can receive a cable ends.And other, except one of these antennas are at least the difference that can be removed, these nodes 311 and 31n are consistent with the node of the wireless network 100 and 200 for the plurality of node, so that a cable can be inserted in node 311, in the stationary installation providing in 31n.
The node 312 to 31 (n-1) of the cable network 300 of the plurality of node, for their part, be to form based on a node, this node at least comprises two antennas and two in these antenna at least, these antennas are removable, be assemblied in respectively and can be distinguished receiving cable end 321a, 321b, 322a, 32 (n-2) b, 32 (n-1) a, in the stationary installation of 32 (n-1) b.Except these two antennas are assembled to a difference in stationary installation removably, these nodes 312 to 31 (n-1) are with consistent for the node in the wireless network 100,200 of the plurality of node.
The continuous nodes 311,312 of the cable network 300 of the plurality of node ... 31n is passed cable 321,322 ... 32 (n-1) connect in the stationary installation that most this object provides respectively in couples together, and cable is by their ends (321a, 321b) separately, 322a,, 32 (n-2) b, (32 (n-1) a, b), rather than antenna is fixed for 32 (n-1).
For the network 100,200 of multiple nodes, as the cable network 300 of multiple nodes, the use of a radio protocol is feasible in the distance of node of cable network 300 that is divided into two continuous multiple nodes is little scope.Especially, for the die-away curve of radiowave, be very suitable for the waveguide (waveguide) in short distance.Therefore there is no need to provide a specific Data Transport Protocol of cable, and the specific device that can change Data Transport Protocol is provided in the rank of node 311 and 31n by same signaling.
Fig. 2 has described a data acquisition network that meets the present invention and realize according to a preferred embodiment.This data acquisition network is comprised of the set of multiple nodes, and these nodes comprise the wireless network 100,200 of at least one multiple node and the cable network 400 of at least one multiple node.The cable network 400 of the plurality of node is by the set 411,412 of the node of a continuous distribution ..., 41 (n-1), 41n forms and is passed cable 421,422 ..., 42 (n-1) link together in couples respectively.
The endpoint node of the cable network 400 of the plurality of node, be node 411 and 41n, between the cable network 400 at these multiple nodes and the wireless network 100 of multiple nodes, and and the wireless network 200 of multiple nodes between respectively for the relaying of data transmission.These nodes 411 and 41n comprise respectively two antennas (41a, 41b) and (41na, 41nb) separately, and comprise respectively that separately at least one can receiving cable end, 421a and 42 (n-1) b, stationary installation.Except also comprising the difference of a stationary installation that can receive a cable ends, these nodes 411 and 41n are consistent with the node of the wireless network 100 and 200 for multiple nodes.
The node 412 of the cable network 400 of the plurality of node,, 41 (n-1) comprise at least two antennas (412a, 412b) based on one respectively, (41 (n-1) a, node b) of 41 (n-1) and forming, and these nodes at least comprise two can receiving cable end (421b, 422a),, (42 (n-2) b, 42 (n-1) stationary installation a).
The continuous nodes 411,412 of each cable network 400 that connects in couples the plurality of node ... the cable 421,422 of 41n ... 42 (n-1) comprise an antenna (431a, 431b), 432a at their ends separately,, 43 (n-2) b, (43 (n-1) a, 43 (n-1) b), described antenna 431a, 431b, 432a ..., 43 (n-2) b, 43 (n-1) a, 43 (n-1) b passes through cable 421,422 ... the end of 42 (n-1) is fixed to node 411,412 ..., 41n.According to the present embodiment, so, data transmission in the cable network of the plurality of node is passed through one between antenna 411b and 431a, between antenna 431b and 421a by part ... the rest may be inferred until electromagnetism between antenna 43 (n-1) b and 41na connects and completes.
The cable 321,322 using ..., 32 (n-1) and 421,422 ..., 42 (n-1) are waveguides.Preferably, concentric cable will be used.
The present invention is not limited to the embodiment of foregoing description, and extend to any according to the present invention the embodiment of spirit.
Especially and preferably, all nodes of realization form based on a same node, this node need to be produced with single-mode.According to the single-mode of this production, one at node 111,112,, 11n, 211,212 ..., 21n, 311,312 ... 411,412 ... node outside 41n by based on one comprise two removable antennas and further comprise two stationary installations on this entity 530 that is distributed in sensor 500 cable ends node and form, to use convertibly.
In framework of the present invention, be appreciated that the node 412 by a kind ..., 41 (n-1) used the node 311 of a kind, 31n.In this case, be necessary to use specific, at its end, there is an antenna, at other ends, do not there is the cable of antenna.Also be appreciated that the node 312 by a kind ..., 31 (n-1) used the node 411 of a kind, 41n.Again, the particular cable of two continuous nodes of the cable network of connected node must comprise an antenna at cable one end, and other ends of cable do not comprise antenna.Finally, in a common mode, be appreciated that, use convertibly cluster (cluster) node in different classes of node as described above, i.e. node 311,312,, 31 (n-1), 31n, 411,412 ..., 41 (n-1), 41n, carrys out shape composition cable meshed network.
Claims (5)
1. a Graphene sensor data acquisition method and networking, comprise the set of multiple nodes, this set itself comprises the wireless network (100 of at least one multiple node, 200), two adjacent nodes are transmitting data to each other by radiowave therein, it is characterized in that, it comprises other networks (300 of at least one multiple node, 400), two adjacent nodes (311 therein, 312, 31n, 411, 412, 41n) passing through to each other a cable (321, 322, 32 (n-1), 421, 422, 42 (n-1)) transmission data, data are also passed radio wave transmissions therein, described at least one other network form the cable network of multiple nodes.
2. a kind of Graphene sensor data acquisition method according to claim 1 and networking, is characterized in that, the network (100 of described at least one multiple node, each node 200) (111,112 ... 11n), (211,212,, 21n) } comprise at least two antennas { (111a, 111b), (112a, 112b) ..., (11na, 11nb), (211a, 211b), (212a, 212b),, (21na, 21nb) }.
3. a kind of Graphene sensor data acquisition method according to claim 1 and networking, it is characterized in that, lay respectively at the node (311) of one of end of the cable network of the plurality of node and (31n) be to form based on a node, this node comprises at least two antennas and one of these antenna at least, this antenna can be removed, and is arranged at respectively one and can receives a cable ends (321a) and (on 32 (n-1) stationary installation b).
4. a kind of Graphene sensor data acquisition method according to claim 1 and networking, it is characterized in that, the node (312) of the cable network (300) of the plurality of node, 31 (n-1)) be to form based on a node, this node comprises at least two antennas and two in these antenna at least, these antennas can be removed, being arranged at can receiving cable end (321b, (322a, 322b) ..., on 32 (n-1) stationary installation separately a).
5. a kind of Graphene sensor data acquisition method according to claim 1 and 2 and networking, it is characterized in that, be positioned at respectively the node (411 of one of end of the cable network (400) of the plurality of node, 41n) to comprise at least two antenna { (411a based on one, 411b), (41na, 41nb) } and at least one can receive a cable ends (421a, the node of 42 (n-1) stationary installation b) and forming.
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| CN1398087A (en) * | 2001-07-12 | 2003-02-19 | 深圳市中兴通讯股份有限公司上海第二研究所 | Broad-band access system for MAN |
| CN1905506A (en) * | 2005-07-28 | 2007-01-31 | 舍塞尔公司 | Mixed wireless and cable data acquisition network |
| US20070249286A1 (en) * | 2006-04-21 | 2007-10-25 | Ma Dung T | Automated bonding for wireless devices |
| CN101541102A (en) * | 2008-12-23 | 2009-09-23 | 北京西普阳光教育科技有限公司 | Wireless sensor network node |
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- 2013-12-27 CN CN201310731703.7A patent/CN103729994A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1398087A (en) * | 2001-07-12 | 2003-02-19 | 深圳市中兴通讯股份有限公司上海第二研究所 | Broad-band access system for MAN |
| CN1905506A (en) * | 2005-07-28 | 2007-01-31 | 舍塞尔公司 | Mixed wireless and cable data acquisition network |
| US20070249286A1 (en) * | 2006-04-21 | 2007-10-25 | Ma Dung T | Automated bonding for wireless devices |
| CN101541102A (en) * | 2008-12-23 | 2009-09-23 | 北京西普阳光教育科技有限公司 | Wireless sensor network node |
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Application publication date: 20140416 |