CN112543475A - Remote meter reading terminal with ad hoc network joining signal strength display - Google Patents
Remote meter reading terminal with ad hoc network joining signal strength display Download PDFInfo
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- CN112543475A CN112543475A CN202011417348.2A CN202011417348A CN112543475A CN 112543475 A CN112543475 A CN 112543475A CN 202011417348 A CN202011417348 A CN 202011417348A CN 112543475 A CN112543475 A CN 112543475A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
Abstract
The invention discloses a remote meter reading terminal with an ad hoc network joining signal intensity display function, which is characterized in that an ad hoc network communication module searches other signals which are joined into ad hoc network nodes and sequentially stores the signals according to signal intensity levels to obtain an effective father node list, sequentially tries to join the network according to the sequence of the effective father node list and records signal parameters of the effective father nodes which are successfully joined into the network, and an ad hoc network joining judgment module compares the signal parameters of the effective father nodes joined into the network with a preset signal intensity threshold value and then correspondingly displays the signal parameters by a display module. The signal strength comparison results in different ranges are sequentially displayed by controlling the display module according to the strength of the added signal strength grade, so that the worker can directly know the signal strength from the display module, the display mode is intuitive, convenient and quick, the worker can visually obtain the signal strength of the added ad hoc network, and the nodes meeting the requirements are selected as the access points by combining a plurality of factors.
Description
Technical Field
The invention relates to the technical field of water meter equipment, in particular to a remote meter reading terminal with ad hoc network joining signal strength display.
Background
The remote meter reading is realized by automatically transmitting the consumption data of the water meter, the electric meter and the gas meter to a designated place by utilizing a metering sensor technology, a microelectronic technology, a communication technology and the like, and the reading of the metering data is realized without manual intervention. Because the contradiction between the supply and demand of resources is increasingly prominent, the marketization of water, electricity and gas is continuously deepened, and the requirement of people on the privacy of houses is higher and higher, so that the requirement on remote meter reading is more and more urgent.
The intelligent water meter widely used at present generally has no equipment for signal display when adding ad hoc network, basically, the strong and weak display of adding signal is carried out in the background of the system, in the prior art, the networking process of carrying out ad hoc network between the intelligent water meters is complex, the networking efficiency is low, mistakes are easy to make, the signal intensity of adding the intelligent water meter into the network cannot be observed in time when the node deployment of the remote meter reading system is actually carried out, and the maintenance personnel can only not know the signal intensity of adding the intelligent water meter into a certain node network conveniently when carrying out installation and maintenance, so that the installation and maintenance process is inconvenient.
Disclosure of Invention
In order to solve the technical problem, the invention provides a remote meter reading terminal with ad hoc network joining signal strength display.
The invention is realized by the following technical scheme:
the invention provides a remote meter reading terminal with ad hoc network joining signal strength display, which comprises: the system comprises an ad hoc network communication module, a data acquisition module, an ad hoc network joining judgment module and a display module;
the ad hoc network communication module searches networking signals of other remote meter reading terminal nodes, relay station nodes or base station nodes which are added into the ad hoc network, and the networking signals are sequentially stored according to the signal intensity level to obtain an effective father node list;
the ad hoc network communication module tries to connect with each effective father node in sequence according to the sequence of the effective father node list to join in the network;
the ad hoc network communication module records the signal parameters of the effective father nodes which successfully join the network, and sends the signal parameters of the effective father nodes which join the network to the ad hoc network joining judgment module;
the ad hoc network joining judgment module compares the signal parameter of the effective father node joining the network with a preset signal strength threshold value, sends a signal strength comparison result to the display module, and the display module displays the signal strength comparison result correspondingly.
A further optimization scheme is that the list of valid parent nodes includes: a default parent node and a backup parent node; and the ad hoc network communication module searches for networking signals of other remote meter reading terminals, relay stations or base stations which are added into the ad hoc network, wherein the node with the highest signal strength level is a default father node, and the rest nodes are backup father nodes.
The signal intensity levels of the default father node and the backup father node can be set by self, and the signal intensity levels can be used as the backup father node only when the signal intensity levels reach a certain upper limit level.
The ad hoc network communication module tries to connect with each effective father node in sequence according to the sequence of the effective father node list and then selects the default father node to join the network and stabilize. The remote meter reading terminal preselects first to enable the default father node to join in networking and stably operate, so that an operator can be reminded of trying to join in all effective father nodes in a circulating mode, and next selection can be carried out.
The further optimization scheme is that the signal parameters of the effective father node comprise battery allowance and routing progression. And taking the battery margin and the routing number as signal parameters.
The further optimization scheme is that the comparison process of the signal parameter of the effective father node added in the network and the preset signal strength threshold value is as follows:
s1, comparing a signal parameter of an effective father node added to the networking with a third preset signal intensity threshold value, and if the signal parameter value of the effective father node added to the networking is within the range of the third preset signal intensity threshold value, flashing a state display lamp for 6 times; otherwise, go to S2;
s2, comparing the signal parameter of the effective father node added to the networking with a second preset signal intensity threshold value, and if the signal parameter value of the effective father node added to the networking is within the range of the second preset signal intensity threshold value, flashing the state display lamp for 4 times; otherwise, go to S3;
s3, comparing the signal parameter of the effective father node added to the networking with a first preset signal intensity threshold value, and if the signal parameter value of the effective father node added to the networking is within the range of the first preset signal intensity threshold value, flashing the state display lamp for 2 times; otherwise the status indicator light is not on.
And finally, the working personnel comprehensively considers the influence of all factors and selects the effective father node with light load or high signal strength grade as the joining node.
The further optimization scheme is that the system further comprises a sound production device, and the sound production device acts once after the display module displays the signal intensity comparison result of one effective father node.
The further optimization scheme is that the system also comprises a locking module and a switching module; the switching module switches the ad hoc network communication module added with the last effective father node to the next effective father node according to the effective father node list sequence to connect the joining network;
the locking module enables the communication module which has joined the ad hoc network to stop switching to connect the joining network to the next effective father node.
The further optimization scheme is that the switching module acts after the display module displays the signal strength comparison result of the last effective father node.
The further optimization scheme is that the storage module stores the signal intensity of the effective father node locked by the locking module for joining the networking.
The working principle of the invention is as follows: the invention is improved based on the ad hoc network water meter terminal, and is provided with the signal strength display device, so that the added signal strength degree can be directly known at the water meter terminal when the water meter terminal is installed, deployed or maintained, and after all the signal strength degrees are displayed, the effective nodes to be added are comprehensively considered and determined by workers.
The existing ad hoc network water meter is not provided with a signal display device when being added into an ad hoc network, the intensity of the added signal is displayed in the background of the system, the networking process of the ad hoc network between intelligent water meters is complex in the actual operation process, the networking efficiency is low, errors are easy to occur, the signal intensity and other parameters of the water meter added into the network cannot be observed and judged in time when the node deployment of the remote meter reading system is carried out, maintenance personnel also need to know the signal intensity of the intelligent water meter added into the node network and need to call the signal intensity from the background of the system when the maintenance personnel install and maintain in the later period, and the installation and maintenance process is inconvenient.
In the scheme, in order to conveniently know the strength of a signal added into an ad hoc network by an ad hoc network communication module (wherein the strength of the signal comprises the strength of a signal strength grade and the strength of a signal parameter), a corresponding display module is arranged, firstly, effective father nodes are listed as network signals of other remote meter reading terminal nodes, relay station nodes or base station nodes added into the ad hoc network, the network signals are sequentially stored according to the strength of the signal, and the signal strength grade of each effective father node can be obtained according to the sequence of the display process of the display module; on the other hand, signal parameter conditions such as battery allowance, routing progression and the like of each effective father node are obtained from the display module; the method is convenient for the staff to intuitively obtain the strength of the signal added into the ad hoc network, and the nodes meeting the requirements are selected as the access points by combining a plurality of factors.
Compared with the prior art, the invention has the following advantages and beneficial effects:
compared with the prior art, the remote meter reading terminal with the function of displaying the strength of the signal added by the ad hoc network is characterized in that the signal parameter is compared with a preset threshold value, the display module is controlled to sequentially display the signal strength comparison results in different ranges according to the strength of the added signal strength grade, so that a worker can directly judge the signal parameter and the signal strength according to the display module, the display mode is visual, convenient and quick, and the strength grade of the signal or the conditions of other parameters do not need to be guessed.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention.
In the drawings:
fig. 1 is a structure diagram of a remote meter reading terminal with ad hoc network joining signal strength display.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Example 1
As shown in fig. 1, the remote meter reading terminal with ad hoc network joining signal strength display includes: the system comprises an ad hoc network communication module, a data acquisition module, an ad hoc network joining judgment module and a display module;
the ad hoc network communication module searches networking signals of other remote meter reading terminal nodes, relay station nodes or base station nodes which are added into the ad hoc network, and the networking signals are sequentially stored according to the signal intensity level to obtain an effective father node list;
the ad hoc network communication module tries to connect with each effective father node in sequence according to the sequence of the effective father node list to join in the network;
the ad hoc network communication module records the signal parameters of the effective father nodes which successfully join the network, and sends the signal parameters of the effective father nodes which join the network to the ad hoc network joining judgment module;
the ad hoc network joining judgment module compares the signal parameter of the effective father node joining the network with a preset signal strength threshold value, sends a signal strength comparison result to the display module, and the display module displays the signal strength comparison result correspondingly.
The list of active parent nodes includes: a default parent node and a backup parent node; and the ad hoc network communication module searches for networking signals of other remote meter reading terminals, relay stations or base stations which are added into the ad hoc network, wherein the node with the highest signal strength level is a default father node, and the rest nodes are backup father nodes. The nodes to be joined (nodes not entering the network, hereinafter called leaf nodes) receive the information and the transmitted signal strength of the father nodes (base stations, repeaters, nodes entering the network), and the valid father nodes are stored as a valid father node list, wherein, the received signal strength level 5 is defined as the strongest signal called 5 grids, and the father nodes with 3 grids or more of the received signal strength level are selected as backup father nodes.
The staff can add the leaf node to the father node according to the comprehensive conditions (the routing grade of the effective father node, the battery allowance and the like) for adding the leaf node to the network; the leaf node stores the received signal strength of the father node in the process of trying to join and the signal strength of the effective father node after the leaf node is locked to join the network as the signal strength of the current father node, the meter is displayed for inquiring at any time, and the meter automatically updates the storage parameters after the leaf node is stably joined to the network again.
And the ad hoc network communication module tries to connect with each effective father node in sequence according to the list sequence of the effective father nodes to join the networking, and then selects a default father node to join the networking and stabilize.
The signal parameters of the active parent node include battery margin and routing order.
The comparison process of the signal parameter of the effective father node joining the network and the preset signal strength threshold value is as follows:
s1, comparing a signal parameter of an effective father node added to the networking with a third preset signal intensity threshold value, and if the signal parameter value of the effective father node added to the networking is within the range of the third preset signal intensity threshold value, flashing a state display lamp for 6 times; otherwise, go to S2;
s2, comparing the signal parameter of the effective father node added to the networking with a second preset signal intensity threshold value, and if the signal parameter value of the effective father node added to the networking is within the range of the second preset signal intensity threshold value, flashing the state display lamp for 4 times; otherwise, go to S3;
s3, comparing the signal parameter of the effective father node added to the networking with a first preset signal intensity threshold value, and if the signal parameter value of the effective father node added to the networking is within the range of the first preset signal intensity threshold value, flashing the state display lamp for 2 times; otherwise the status indicator light is not on.
The preset signal intensity threshold is divided into three levels, the third preset signal intensity threshold, the second preset signal intensity threshold and the first preset signal intensity threshold are sequentially reduced, and the flicker frequency of the corresponding state display lamp is correspondingly reduced. In this embodiment, an effective parent node with a light load is selected as an ad hoc network access point under the same condition, that is, a "copy-near path" with a short path is preferentially selected.
The display module is used for displaying the signal intensity comparison result of each effective father node, and the sounding device acts once.
The system also comprises a locking module and a switching module; the switching module switches the ad hoc network communication module added with the last effective father node to the next effective father node according to the effective father node list sequence to connect the joining network;
the locking module enables the communication module which has joined the ad hoc network to stop switching to connect the joining network to the next effective father node.
And the switching module acts after the display module displays the signal strength comparison result of the last effective father node.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
1. Remote meter reading terminal with ad hoc network joining signal strength display function, which is characterized by comprising: the system comprises an ad hoc network communication module, a data acquisition module, an ad hoc network joining judgment module and a display module;
the ad hoc network communication module searches networking signals of other remote meter reading terminal nodes, relay station nodes or base station nodes which are added into the ad hoc network, and the networking signals are sequentially stored according to the signal intensity level to obtain an effective father node list;
the ad hoc network communication module tries to connect with each effective father node in sequence according to the sequence of the effective father node list to join in the network;
the ad hoc network communication module records the signal parameters of the effective father nodes which successfully join the network, and sends the signal parameters of the effective father nodes which join the network to the ad hoc network joining judgment module;
the ad hoc network joining judgment module compares the signal parameter of the effective father node joining the network with a preset signal strength threshold value, sends a signal strength comparison result to the display module, and the display module displays the signal strength comparison result correspondingly.
2. The remote meter reading terminal with the ad hoc network joining signal strength display function according to claim 1, wherein the list of valid father nodes comprises: a default parent node and a backup parent node; and the ad hoc network communication module searches for networking signals of other remote meter reading terminals, relay stations or base stations which are added into the ad hoc network, wherein the node with the highest signal strength level is a default father node, and the rest nodes are backup father nodes.
3. The remote meter reading terminal with the ad hoc network joining signal strength display function according to claim 2, wherein the ad hoc network communication module selects a default father node to join the networking stably after trying to connect and join the networking from each effective father node in sequence according to the list sequence of the effective father nodes.
4. The remote meter reading terminal with the ad hoc network joining signal strength display function according to claim 1, wherein the signal parameters of the effective father node comprise battery residue and routing series.
5. The remote meter reading terminal with the ad hoc network joining signal strength display function according to claim 1, wherein the comparison process between the signal parameter of the effective father node joining the ad hoc network and the preset signal strength threshold value is as follows:
s1, comparing a signal parameter of an effective father node added to the networking with a third preset signal intensity threshold value, and if the signal parameter value of the effective father node added to the networking is within the range of the third preset signal intensity threshold value, flashing a state display lamp for 6 times; otherwise, go to S2;
s2, comparing the signal parameter of the effective father node added to the networking with a second preset signal intensity threshold value, and if the signal parameter value of the effective father node added to the networking is within the range of the second preset signal intensity threshold value, flashing the state display lamp for 4 times; otherwise, go to S3;
s3, comparing the signal parameter of the effective father node added to the networking with a first preset signal intensity threshold value, and if the signal parameter value of the effective father node added to the networking is within the range of the first preset signal intensity threshold value, flashing the state display lamp for 2 times; otherwise the status indicator light is not on.
6. The remote meter reading terminal with the ad hoc network joining signal strength display function according to claim 1, further comprising a sound generating device, wherein the sound generating device acts once after the display module displays the signal strength comparison result of one effective father node.
7. The remote meter reading terminal with the ad hoc network joining signal strength display function according to claim 1, further comprising a locking module and a switching module; the switching module switches the ad hoc network communication module added with the last effective father node to the next effective father node according to the effective father node list sequence to connect the joining network;
the locking module enables the communication module which has joined the ad hoc network to stop switching to connect the joining network to the next effective father node.
8. The remote meter reading terminal with ad hoc network joining signal strength display of claim 7, wherein the switching module acts after the display module finishes displaying the signal strength comparison result of a last valid father node.
9. The remote meter reading terminal with the ad hoc network joining signal strength display function according to claim 1, further comprising a storage module, wherein the storage module stores the signal strength of the effective father node locked by the locking module for joining the ad hoc network.
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| CN112543475B (en) | 2021-07-30 |
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