CN103581291A - Device monitor system and method based on ZigBee under metal closed environment - Google Patents

Device monitor system and method based on ZigBee under metal closed environment Download PDF

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CN103581291A
CN103581291A CN201310388444.2A CN201310388444A CN103581291A CN 103581291 A CN103581291 A CN 103581291A CN 201310388444 A CN201310388444 A CN 201310388444A CN 103581291 A CN103581291 A CN 103581291A
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zigbee
network
metal enclosed
terminal node
telegon
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CN103581291B (en
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刘守印
潘小琴
谢芬
黄先莉
陆思梦
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Huazhong Normal University
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Huazhong Normal University
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Abstract

The invention discloses a device monitor system based on ZigBee under a metal closed environment. The device monitor system comprises a superior ZigBee network coordinator, a superior ZigBee network terminal node, an inferior ZigBee network coordinator, an inferior ZigBee network terminal node and a metal closed cavity. The device monitor system is characterized in that at least one antenna of the inferior ZigBee network coordinator is correspondingly arranged in the metal closed cavity, the inferior ZigBee network terminal node is located inside the metal closed cavity, the superior ZigBee network coordinator is located outside the metal closed cavity, and the superior ZigBee network terminal node and the inferior ZigBee network coordinator are connected in a wired mode to form a network-crossed repeater. By means of the novel network structure, the aims of transmission of wireless signals under the metal closed environment and ZigBee networking crossing the metal closed environment are achieved, an effective solving scheme is provided for monitoring the nodes in the metal closed environment, and great significance is achieved in the practical application.

Description

Equipment monitoring system based on ZigBee under metal enclosed environment and method for supervising thereof
Technical field
The present invention relates to Internet of Things field.Specifically, the present invention relates to equipment monitoring system and the method for supervising thereof based on ZigBee under a kind of metal enclosed environment.
Background technology
ZigBee, as the wireless communication technology of a kind of emerging short distance, low rate, is paid close attention to more and more widely and is applied.A large amount of products relevant to ZigBee on market, have also been there are.Documents CN101837154A discloses the patent of invention that a kind of name is called " transfusion monitoring system based on ZigBee technology ", documents CN201514469U discloses the utility model patent that a kind of name is called " lithium iron phosphate power battery detection device for electric vehicle based on ZigBee radio communication ", and they all adopt ZigBee technology to solve the problem of wireless monitor.
Yet these technical schemes are not all considered the monitoring of tools problem under metal enclosed environment, when needs are laid monitor node in metal enclosed environment, ZigBee signal cannot spread out of through metallic walls, therefore cannot realize ZigBee networking and long-range monitoring.
Patent of invention content
One of object of the present invention is the deficiency existing in order to overcome above-mentioned background technology, and the equipment monitoring system based on ZigBee under a kind of metal enclosed environment is provided, and can under metal enclosed environment, realize ZigBee networking and signal transmission.
For realizing this object, the present invention adopts following technical scheme:
Equipment monitoring system based on ZigBee under a kind of metal enclosed environment, comprise higher level's ZigBee-network telegon, higher level's ZigBee-network terminal node, secondary ZigBee-network telegon, secondary ZigBee-network terminal node and metal enclosed cavity, it is characterized in that, the at least corresponding antenna that is provided with a secondary ZigBee-network telegon in described metal enclosed cavity, described secondary ZigBee-network terminal node is positioned at metal enclosed inside cavity, and it is outside that described higher level's ZigBee-network telegon is positioned at metal enclosed cavity; Higher level's ZigBee-network telegon and higher level's ZigBee-network terminal node form and are no less than higher level's ZigBee-network, and each higher level's ZigBee-network telegon is to there being higher level's ZigBee-network; Secondary ZigBee-network terminal node in the secondary ZigBee-network telegon that metal enclosed cavity is corresponding and this metal enclosed cavity forms and is no less than a secondary ZigBee-network, and each secondary ZigBee-network telegon is to there being a secondary ZigBee-network; Described higher level's ZigBee-network terminal node is connected and is formed an across a network repeater by wired connection mode with a described secondary ZigBee-network telegon; It is outside that the antenna of higher level's ZigBee-network terminal node of described across a network repeater is positioned at metal enclosed cavity, and the antenna of the secondary ZigBee-network telegon of described across a network repeater is positioned at its corresponding metal enclosed inside cavity.
Preferably, described metal enclosed cavity can be comprised of one-level metal enclosed cavity at least, and rear one-level metal enclosed cavity is positioned at previous stage metal enclosed inside cavity; Described secondary ZigBee-network is comprised of multistage ZigBee-network, and the progression of this secondary ZigBee-network is identical with the progression of described metal enclosed cavity; Every one-level ZigBee-network terminal node of described secondary ZigBee-network lays respectively at same one-level metal enclosed inside cavity, front and back stages ZigBee-network is connected by across a network repeater, and an across a network repeater is connected and is formed by wired connection mode with one-level ZigBee-network telegon after by a previous stage ZigBee-network terminal node.
Preferably, described same one-level metal enclosed cavity can be comprised of by nonoverlapping metal enclosed cavity a plurality of inside confined spaces, and described same one-level ZigBee-network is comprised of a plurality of independently ZigBee-networks.
Preferably, described across a network repeater can be positioned at the metal enclosed inside cavity that its secondary ZigBee-network telegon is corresponding, and the antenna of higher level's ZigBee-network terminal node of the described across a network repeater outside that can be laid in metal enclosed cavity by aperture or the gap of metal enclosed cavity body wall.
Preferably, it is outside that described across a network repeater can be positioned at metal enclosed cavity, and the antenna of the secondary ZigBee-network telegon of the described across a network repeater inside that can be laid in the metal enclosed cavity that this secondary ZigBee-network telegon is corresponding by aperture or the gap of metal enclosed cavity body wall.
Preferably, it is outside that higher level's ZigBee-network terminal node of described across a network repeater can be positioned at metal enclosed cavity, the secondary ZigBee-network telegon of across a network repeater can be positioned at its corresponding metal enclosed inside cavity, and the connection wire of higher level's ZigBee-network terminal node and secondary ZigBee-network telegon can pass this metal enclosed shell cavity from aperture or the gap of metallic walls.
Preferably, higher level's ZigBee-network terminal node of described across a network repeater and the wired connection mode of secondary ZigBee-network telegon can be that Serial Port Line is connected or I 2c bus connects or USB connects.
Preferably, described different ZigBee-network can take different channels or take same channel but network number is different.
Two of object of the present invention is in order to overcome the deficiency of above-mentioned background technology, apparatus monitoring method based on ZigBee under two kinds of metal enclosed environment is provided, by wireless signal and alternately transmission of wire signal, can under metal enclosed environment, realize ZigBee networking and signal transmission.
For realizing this object, the present invention adopts following technical scheme:
An apparatus monitoring method based on ZigBee under metal enclosed environment, the method comprising the steps of a1) to a3):
A1) in metal enclosed cavity, place at least one secondary ZigBee-network terminal node, the terminal node of described secondary ZigBee-network sends to this secondary ZigBee-network telegon by data waiting for transmission by ZigBee-network, and this secondary ZigBee-network telegon is by being positioned at the antenna reception data of described metal enclosed inside cavity;
A2) described secondary ZigBee-network telegon sends to connected higher level's ZigBee-network terminal node by the data that receive by connecting wire;
A3) described higher level's ZigBee-network terminal node sends to by being positioned at the antenna of metal enclosed cavity outside the same higher level's ZigBee-network telegon that is positioned at metal enclosed cavity outside by the data that receive through ZigBee-network.
Preferably, at described step a2) in, secondary ZigBee-network telegon can carry out preliminary treatment to the data that receive, and then by connecting wire, sends to connected higher level's ZigBee-network terminal node; Described preliminary treatment comprises the data buffer storage receiving, packing, resolves the data that receive, it is according to priority entered to transmit queue.
Preferably, at described step a3) in, higher level's ZigBee-network terminal node can carry out preliminary treatment to the data that receive, and then by being positioned at the antenna of metal enclosed cavity outside, sends to the same higher level's ZigBee-network telegon that is positioned at metal enclosed cavity outside through ZigBee-network; Described preliminary treatment comprises the data buffer storage receiving, packing, resolves the data that receive, it is according to priority entered to transmit queue.
Apparatus monitoring method based on ZigBee under another kind of metal enclosed environment, the method comprising the steps of b1) to b3):
B1) at metal enclosed cavity, place at least one higher level's ZigBee-network telegon outward, higher level's ZigBee-network telegon sends to data waiting for transmission the terminal node of this higher level's ZigBee-network by ZigBee-network, this higher level's ZigBee-network terminal node is by being positioned at the antenna reception data of described metal enclosed cavity outside;
B2) higher level's ZigBee-network terminal node of described across a network repeater sends to connected secondary ZigBee-network telegon by the data that receive by connecting wire;
B3) described secondary ZigBee-network telegon sends to by being positioned at the antenna of metal enclosed inside cavity the same secondary ZigBee-network terminal node that is positioned at this metal enclosed inside cavity by the data that receive through ZigBee-network.
The present invention includes upper level ZigBee-network telegon, across a network repeater and secondary ZigBee-network terminal node, it is outside that described upper level ZigBee-network telegon is positioned at metal enclosed cavity, and described secondary ZigBee-network terminal node is positioned at metal enclosed inside cavity.Across a network repeater comprises the telegon of secondary ZigBee-network and the terminal node of upper level ZigBee-network, the terminal node of the telegon of described secondary ZigBee-network and upper level ZigBee-network is connected by wired connection mode, and this wired connection mode can be serial ports or I 2c bus or USB connect.The antenna of the antenna of the secondary ZigBee-network telegon of across a network repeater and upper level ZigBee-network terminal node lays respectively at the inside and outside of metal enclosed cavity.Specifically, across a network repeater can be placed in a side of metal enclosed cavity metallic walls, and its antenna is placed in the same side of metallic walls, and another root antenna can be laid in metal enclosed cavity opposite side from aperture or the gap of metallic walls by shielding conductor; Across a network repeater can also be divided into two parts and place, it is outside that its upper level ZigBee-network terminal node is placed in metal enclosed cavity, and its secondary ZigBee-network telegon is placed in metal enclosed inside cavity, the connection wire of upper level ZigBee-network terminal node and secondary ZigBee-network telegon passes this metal enclosed shell cavity from aperture or the gap of metallic walls.
Thus, the present invention proposes a kind of new multistage ZigBee-network structure, especially designed a kind of across a network repeater, front and back stages ZigBee-network is coupled together by wired connection mode.This new network structure has solved spreading out of of wireless signal under metal enclosed environment and across the difficult problem of metal enclosed environment ZigBee networking, to the monitoring of multinode in metal enclosed environment, provides effective solution, significant in actual applications.Adopt the present invention also can realize extension of network, support more terminal node access, by flow control and priority, control reliability and the real-time that improves transfer of data.
By following description also by reference to the accompanying drawings, it is more clear that the present invention will become, and these accompanying drawings are used for explaining embodiments of the invention.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the embodiment of the present invention 1.
Fig. 2 is the structured flowchart of the embodiment of the present invention 2.
Fig. 3 is the internal structure block diagram of across a network repeater.
Fig. 4 is the structured flowchart of the embodiment of the present invention 3.
Embodiment
Embodiment 1, and as shown in Figure 1, the equipment monitoring system based on ZigBee under metal enclosed environment, comprises that first order wireless network, second level wireless network and n metal enclosed cavity E1 are to En, and n is not less than 1.The inner space of n metal enclosed cavity does not overlap.First order wireless network is a ZigBee-network, comprises that a telegon A and n terminal node B1 are to Bn, and they are positioned at all metal enclosed cavity E1 to the outside of En.Second level wireless network comprises n secondary ZigBee-network, each secondary ZigBee-network comprises a telegon and is no less than a terminal node, C1 represents respectively the telegon of different secondary ZigBee-networks to Cn, D1 represents respectively different secondary ZigBee-network terminal nodes to Dn, and described n secondary ZigBee-network lays respectively at a numbering corresponding metal enclosed cavity (E1 is in En) inside with it.Telegon C1 is connected by wired connection mode to Bn with corresponding terminal node B1 respectively to Cn, forms n across a network repeater, and connected mode can connect or I for serial ports 2c bus connects or USB connects, and is not limited only to above connected mode, and n bar connects wire and from aperture or the gap of metallic walls, passes metal enclosed cavity E1 to the metallic walls of En respectively.In the present embodiment, each terminal node comprises sensing module and radio receiving transmitting module, and each telegon comprises radio receiving transmitting module.
The method of the present embodiment collection Monitoring Data is as described below, and the terminal node D1 of secondary ZigBee-network collects Monitoring Data by sensing module respectively to Dn, then by radio receiving transmitting module, Monitoring Data is sent to respectively to telegon C1 to Cn.By radio receiving transmitting module telegon, C1 receives after Monitoring Data to Cn, carries out preliminary treatment or directly by wire communication mode, sends to connected terminal node B1 to Bn without preliminary treatment.Terminal node B1 also can carry out preliminary treatment or directly data be sent to telegon A by radio receiving transmitting module without preliminary treatment the data that receive to Bn.Described preprocessing process can comprise resolves the data receive, it is according to priority entered to transmit queue or data buffer storage, packing or both comprises, and is not limited only to above data handling procedure.
The method that the present embodiment transmits control signal is contrary with said process, telegon A sends to terminal node B1 to Bn by control signal by radio receiving transmitting module, terminal node B1 receives after control signal to Bn, carry out preliminary treatment or directly by wire communication mode, send to connected telegon C1 to Cn without preliminary treatment, telegon C1 also can carry out preliminary treatment or directly data be sent to terminal node D1 to Dn by radio receiving transmitting module without preliminary treatment the data that receive to Cn.
A concrete application of the present embodiment is as follows, and the present embodiment is applied in UPS back-up source online monitoring system, and UPS back-up source comprises a plurality of lead acid accumulators, can reach up to a hundred.Generally, lead acid accumulator leaves in UPS battery cabinet, when lead acid accumulator number is more, needs a plurality of UPS battery cabinets to store.The material of UPS battery cabinet is generally metal material, a metal enclosed space of the inner formation of each UPS battery cabinet, and in n the corresponding embodiment of UPS battery cabinet, n metal enclosed cavity E1 is to En.On inherent each lead acid accumulator of UPS battery cabinet, a sensor node is installed, in corresponding embodiment, the terminal node D1 of second level wireless network is to Dn, and terminal node D1 can measure the information such as terminal voltage, temperature of storage battery to the sensing module of Dn.According to the network configuration of the present embodiment, layout and networking, the method that adopts the present embodiment to collect Monitoring Data and transmit control signal, just can realize based on ZigBee technology UPS back-up source is carried out to on-line monitoring.
Embodiment 2, as shown in Figure 2, equipment monitoring system based on ZigBee under metal enclosed environment, comprise higher level's ZigBee-network telegon A, n across a network repeater B1 be to Bn, and n metal enclosed cavity E1 be to En, each metal enclosed cavity E1 to En to there being a secondary ZigBee-network, D1 represents respectively different secondary ZigBee-network terminal nodes to Dn, and they lay respectively at metal enclosed cavity E1 to En inside.
As shown in Figure 3, across a network repeater is connected and is formed by wired connection mode with a secondary ZigBee-network telegon by higher level's ZigBee-network terminal node, and connected mode can connect or I for serial ports 2c bus connects or USB connects, and is not limited only to above connected mode.In the present embodiment, across a network repeater B1 forms n secondary ZigBee-network with secondary ZigBee-network terminal node D1 to Dn respectively to the secondary ZigBee-network telegon of Bn; Higher level's ZigBee-network telegon A and across a network repeater B1 form higher level's ZigBee-network to higher level's ZigBee-network terminal node of Bn.Across a network repeater B1 is positioned at all metal enclosed cavity E1 to the outside of En to Bn, and the antenna of their secondary ZigBee-network telegon penetrates metal enclosed cavity E1 to En by shielding conductor from aperture or the gap of metallic walls respectively.The method that the present embodiment is collected Monitoring Data is identical with embodiment 1 with the method transmitting control signal.
In addition, in practical application, across a network repeater B1 can also lay respectively at metal enclosed cavity E1 to the inside of En to Bn, the antenna of their higher level's ZigBee-network terminal node can pass metal enclosed cavity E1 to En by shielding conductor from aperture or the gap of metallic walls respectively, realize wireless signal under metal enclosed environment spread out of and across metal enclosed environment ZigBee networking.
Embodiment 3, and as shown in Figure 4, the equipment monitoring system based on ZigBee under metal enclosed environment, comprises that first order wireless network, second level wireless network, third level wireless network and three metal enclosed cavity E1 are to E3.The inner space of metal enclosed cavity E1 and E2 is not overlapping, and metal enclosed cavity E3 is positioned at the inside of E1.First order wireless network comprises two higher level's ZigBee-networks, and they are all positioned at the outside of metal enclosed cavity E1, E2, E3, and A1, A2 are respectively the telegon of these two higher level's ZigBee-networks.Second level wireless network comprises three secondary ZigBee-networks, and D1, D2, D3 are respectively the terminal node of these three secondary ZigBee-networks; Terminal node D1, D2 are positioned at the inside of metal enclosed cavity E1, are positioned at the outside of metal enclosed cavity E3 simultaneously; Terminal node D3 is positioned at the inside of metal enclosed cavity E2.Third level wireless network comprises a secondary ZigBee-network, and the terminal node that G is this secondary ZigBee-network is positioned at the inside of metal enclosed cavity E3.Across a network repeater B1 is connected to form by wired connection mode by higher level's ZigBee-network terminal node at A1 place and the secondary ZigBee-network telegon at D1 place, it is positioned at the outside of metal enclosed cavity E1, and the antenna of its secondary ZigBee-network telegon penetrates metal enclosed cavity E1 from aperture or the gap of metallic walls by shielding conductor.Thus, across a network repeater B1 strides across metal enclosed cavity E1 and has connected higher level's ZigBee-network at A1 place and the secondary ZigBee-network at D1 place.B1 is identical with across a network repeater, across a network repeater B2, B3, F stride across respectively metal enclosed cavity E1, E2, E3, has connected respectively the ZigBee-network at the ZigBee-network at A1, A2, D1 place and D2, D3, G place.
The method that in the present embodiment, second level wireless network Monitoring Data is uploaded is identical with the method for collecting Monitoring Data in embodiment 1, and the Monitoring Data of terminal node D1, D2 is uploaded to telegon A1, and the Monitoring Data of terminal node D3 is uploaded to telegon A2.The method that third level wireless network Monitoring Data is uploaded is as follows, and terminal node G collects Monitoring Data by sensing module, then by radio receiving transmitting module, Monitoring Data is sent to the secondary ZigBee-network telegon of across a network repeater F.Secondary ZigBee-network telegon by radio receiving transmitting module across a network repeater F receives after Monitoring Data, carries out preliminary treatment or directly by wire communication mode, sends to the upper level ZigBee-network terminal node of connected across a network repeater F without preliminary treatment.The upper level ZigBee-network terminal node of across a network repeater F carries out preliminary treatment to the data that receive or after preliminary treatment, according to the method for collecting Monitoring Data in embodiment 1, uploads to telegon A1.
The method transmitting control signal to second level wireless network in the present embodiment is identical with the method transmitting control signal in embodiment 1, and telegon A1 can send to control signal terminal node D1 and D2, and telegon A2 can send to control signal terminal node D3.The method that third level wireless network transmits control signal is as follows, according to the method transmitting control signal in embodiment 1, telegon A1 sends to control signal the upper level ZigBee-network terminal node of across a network repeater F, the upper level ZigBee-network terminal node of across a network repeater F receives after control signal, carry out preliminary treatment or by wire communication mode, send to telegon F after preliminary treatment, telegon F also can carry out preliminary treatment or after preliminary treatment, data be sent to terminal node G by radio receiving transmitting module the data that receive.
Invention has been described for above combination most preferred embodiment, but the present invention is not limited to the embodiment of above announcement, and should contain the various modifications of carrying out according to essence of the present invention, equivalent combinations.

Claims (12)

1. the equipment monitoring system based on ZigBee under a metal enclosed environment, comprise higher level's ZigBee-network telegon, higher level's ZigBee-network terminal node, secondary ZigBee-network telegon, secondary ZigBee-network terminal node and metal enclosed cavity, it is characterized in that, the at least corresponding antenna that is provided with a secondary ZigBee-network telegon in described metal enclosed cavity, described secondary ZigBee-network terminal node is positioned at metal enclosed inside cavity, and it is outside that described higher level's ZigBee-network telegon is positioned at metal enclosed cavity; Higher level's ZigBee-network telegon and higher level's ZigBee-network terminal node form and are no less than higher level's ZigBee-network, and each higher level's ZigBee-network telegon is to there being higher level's ZigBee-network; Secondary ZigBee-network terminal node in the secondary ZigBee-network telegon that metal enclosed cavity is corresponding and this metal enclosed cavity forms and is no less than a secondary ZigBee-network, and each secondary ZigBee-network telegon is to there being a secondary ZigBee-network; Described higher level's ZigBee-network terminal node is connected and is formed an across a network repeater by wired connection mode with a described secondary ZigBee-network telegon; It is outside that the antenna of higher level's ZigBee-network terminal node of described across a network repeater is positioned at metal enclosed cavity, and the antenna of the secondary ZigBee-network telegon of described across a network repeater is positioned at its corresponding metal enclosed inside cavity.
2. the equipment monitoring system based on ZigBee under a kind of metal enclosed environment according to claim 1, it is characterized in that, described metal enclosed cavity is comprised of one-level metal enclosed cavity at least, and rear one-level metal enclosed cavity is positioned at previous stage metal enclosed inside cavity; Described secondary ZigBee-network is comprised of multistage ZigBee-network, and the progression of this secondary ZigBee-network is identical with the progression of described metal enclosed cavity; Every one-level ZigBee-network terminal node of described secondary ZigBee-network lays respectively at same one-level metal enclosed inside cavity, front and back stages ZigBee-network is connected by across a network repeater, and an across a network repeater is connected and is formed by wired connection mode with one-level ZigBee-network telegon after by a previous stage ZigBee-network terminal node.
3. the equipment monitoring system based on ZigBee under a kind of metal enclosed environment according to claim 2, it is characterized in that, described same one-level metal enclosed cavity is comprised of the nonoverlapping metal enclosed cavity of a plurality of inside confined spaces, and described same one-level ZigBee-network is comprised of a plurality of independently ZigBee-networks.
4. according to the equipment monitoring system based on ZigBee under a kind of metal enclosed environment described in arbitrary claim in claim 1-3, it is characterized in that, described across a network repeater is positioned at the metal enclosed inside cavity that its secondary ZigBee-network telegon is corresponding, and the outside that is laid in metal enclosed cavity, aperture or the gap of the antenna of higher level's ZigBee-network terminal node of described across a network repeater by metal enclosed cavity body wall.
5. according to the equipment monitoring system based on ZigBee under a kind of metal enclosed environment described in arbitrary claim in claim 1-3, it is characterized in that, it is outside that described across a network repeater is positioned at metal enclosed cavity, and the inside that is laid in the metal enclosed cavity that this secondary ZigBee-network telegon is corresponding, aperture or the gap of the antenna of the secondary ZigBee-network telegon of described across a network repeater by metal enclosed cavity body wall.
6. according to the equipment monitoring system based on ZigBee under a kind of metal enclosed environment described in arbitrary claim in claim 1-3, it is characterized in that, it is outside that higher level's ZigBee-network terminal node of described across a network repeater is positioned at metal enclosed cavity, the secondary ZigBee-network telegon of across a network repeater is positioned at its corresponding metal enclosed inside cavity, and the connection wire of higher level's ZigBee-network terminal node and secondary ZigBee-network telegon passes this metal enclosed shell cavity from aperture or the gap of metallic walls.
7. according to the equipment monitoring system based on ZigBee under a kind of metal enclosed environment described in arbitrary claim in claim 1-3, it is characterized in that, higher level's ZigBee-network terminal node of described across a network repeater and the wired connection mode of secondary ZigBee-network telegon are that Serial Port Line is connected or I 2c bus connects or USB connects.
8. according to the equipment monitoring system based on ZigBee under a kind of metal enclosed environment described in arbitrary claim in claim 1-3, it is characterized in that, described different ZigBee-network takies different channels or takies same channel but network number is different.
9. the apparatus monitoring method based on ZigBee under metal enclosed environment, the method comprising the steps of a1) to a3):
A1) in metal enclosed cavity, place at least one secondary ZigBee-network terminal node, the terminal node of described secondary ZigBee-network sends to this secondary ZigBee-network telegon by data waiting for transmission by ZigBee-network, and this secondary ZigBee-network telegon is by being positioned at the antenna reception data of described metal enclosed inside cavity;
A2) described secondary ZigBee-network telegon sends to connected higher level's ZigBee-network terminal node by the data that receive by connecting wire;
A3) described higher level's ZigBee-network terminal node sends to by being positioned at the antenna of metal enclosed cavity outside the same higher level's ZigBee-network telegon that is positioned at metal enclosed cavity outside by the data that receive through ZigBee-network.
10. the apparatus monitoring method based on ZigBee under a kind of metal enclosed environment according to claim 9, it is characterized in that, at described step a2) in, secondary ZigBee-network telegon carries out preliminary treatment to the data that receive, and then by connecting wire, sends to connected higher level's ZigBee-network terminal node; Described preliminary treatment comprises the data buffer storage receiving, packing, resolves the data that receive, it is according to priority entered to transmit queue.
Apparatus monitoring method based on ZigBee under 11. a kind of metal enclosed environment according to claim 9, it is characterized in that, at described step a3) in, higher level's ZigBee-network terminal node carries out preliminary treatment to the data that receive, and then by being positioned at the antenna of metal enclosed cavity outside, sends to the same higher level's ZigBee-network telegon that is positioned at metal enclosed cavity outside through ZigBee-network; Described preliminary treatment comprises the data buffer storage receiving, packing, resolves the data that receive, it is according to priority entered to transmit queue.
Apparatus monitoring method based on ZigBee under 12. 1 kinds of metal enclosed environment, the method comprising the steps of b1) to b3):
B1) at metal enclosed cavity, place at least one higher level's ZigBee-network telegon outward, higher level's ZigBee-network telegon sends to data waiting for transmission the terminal node of this higher level's ZigBee-network by ZigBee-network, this higher level's ZigBee-network terminal node is by being positioned at the antenna reception data of described metal enclosed cavity outside;
B2) higher level's ZigBee-network terminal node of described across a network repeater sends to connected secondary ZigBee-network telegon by the data that receive by connecting wire;
B3) described secondary ZigBee-network telegon sends to by being positioned at the antenna of metal enclosed inside cavity the same secondary ZigBee-network terminal node that is positioned at this metal enclosed inside cavity by the data that receive through ZigBee-network.
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CN113049022A (en) * 2021-03-09 2021-06-29 西安奕斯伟设备技术有限公司 Detection equipment and single crystal furnace

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CN105570980A (en) * 2016-01-04 2016-05-11 东北大学 High-capacity floor heating control system and method based on Ad Hoc technology
CN113049022A (en) * 2021-03-09 2021-06-29 西安奕斯伟设备技术有限公司 Detection equipment and single crystal furnace

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