CN112272229A - Embedded system-based remote meter reading method and system for underground well type water meter - Google Patents
Embedded system-based remote meter reading method and system for underground well type water meter Download PDFInfo
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- CN112272229A CN112272229A CN202011143571.2A CN202011143571A CN112272229A CN 112272229 A CN112272229 A CN 112272229A CN 202011143571 A CN202011143571 A CN 202011143571A CN 112272229 A CN112272229 A CN 112272229A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
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- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
- H04L67/565—Conversion or adaptation of application format or content
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
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Abstract
The utility model provides a remote meter reading method and system for underground well type water meter based on embedded system, comprising: the system comprises an embedded water meter collector, an electric collection concentrator and an electric information collection system main station; the embedded water meter collector provides a power supply for the water meter when reading the direct-reading passive remote water meter, and meanwhile caches the collected data and adds a time tag; the embedded water meter collector uploads data to the electricity collection concentrator, and the electricity collection concentrator transmits the data to the electricity information collection system main station through a network. The technical scheme of the utility model adopts the water meter collector based on embedded system design to have the functions of automatic reading and saving of water meter data, item generation and the like, and can realize remote meter reading of the water meter under the conditions of smaller transformation and investment.
Description
Technical Field
The disclosure belongs to the technical field of information acquisition, and particularly relates to a remote meter reading method and system for an underground well type water meter based on an embedded system.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The reading of the water meter relates to thousands of households, and the meter reading work of the water meter involves a large amount of manpower and material resources. The inconsistent meter reading time of the water meters also makes the water loss difficult to calculate. Water meters for residential communities of multi-storey buildings are generally buried in underground wells below the stories.
The existing water meter remote reading method is generally dominated by a tap water company, the construction is carried out from a water meter, a collector and a communication network one by one, a large amount of cost is invested, and great cost is paid for the maintenance of equipment. The existing power utilization information acquisition system of the power company is used as a basis, the data of the water meter is accessed into the existing system, and the data of the water meter is transmitted by using the power utilization information acquisition system, so that a large amount of construction cost can be saved for remote meter reading of the water meter.
In the prior art, an active water meter is mostly adopted, a buried well is wet and possibly has accumulated water, and a passive remote water meter is a feasible way for solving the problem of remote transmission of the water meter in the buried well.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides an underground well type water meter remote meter reading system and method based on an embedded system, a multi-layer residential user community is taken as a background, a water meter collector designed by the embedded system is adopted, the problem of remote reading of a plurality of water meters is solved, the water meter data is accessed into a concentrator for collecting power consumption information, the transmission is carried out through a communication network for collecting the power consumption information, and the cost for remotely reading the water meters is saved.
In order to achieve the above object, one or more embodiments of the present disclosure provide the following technical solutions:
in a first aspect, an embedded system-based remote meter reading system for an underground well type water meter is disclosed, comprising: the system comprises an embedded water meter collector, an electric collection concentrator and an electric information collection system main station;
the embedded water meter collector provides a power supply for the water meter when reading the direct-reading passive remote water meter, and meanwhile caches the collected data and adds a time tag;
the embedded water meter collector uploads data to the electricity collection concentrator, and the electricity collection concentrator transmits the data to the electricity information collection system main station through a network.
The further technical scheme comprises a main station of the water-using automatic meter reading system;
the water meter system master station is configured to: and judging whether the water meter data is available according to the water meter data and the time tag, if the time tag is within the set time with the settlement date, considering the data to be valid, and if not, considering the data to be invalid, and issuing a command to a water meter collector through an electric collection concentrator for the water meter with invalid data to obtain the failure items of reading the water meter.
According to the further technical scheme, the embedded water meter collector is connected with the water meter through an M-Bus and is connected with an electric collection concentrator in the electricity utilization information collection box through an RS485 Bus.
According to the further technical scheme, the embedded water meter collector is an embedded system based on an ARM and comprises an ARM processor and a memory, the ARM processor realizes protocol conversion, and the memory caches data with time tags.
According to the technical scheme, the electricity acquisition center device is installed in an electricity utilization information acquisition box in a corridor of a residential building and used for packaging data of each electricity meter and water consumption data acquired by the water consumption meter acquisition devices and communicating with an electricity utilization information acquisition system main station by using a communication network for electricity utilization information acquisition, so that data forwarding is realized.
The further technical scheme includes that the system further comprises an agent forwarding module which extracts water meter information from the electricity utilization information acquisition system and forwards the water meter information to the water consumption automatic meter reading main station.
According to the further technical scheme, the power utilization information acquisition system master station is located in a dispatching center, and remote reading of power utilization information and water meter information is achieved;
the water consumption automatic meter reading master station is a master station of an automatic meter reading system and is used for calling and reading data of each user water meter and completing statistics of water consumption of users.
In a second aspect, an embedded system-based remote meter reading method for an underground well type water meter is disclosed, which comprises the following steps:
the method comprises the following steps that a water meter collector carries out M-Bus load overload detection every day, and when the load is normal, a command for reading all water meter data is sent once to read the water meter data of a direct-reading water meter in a buried well; after reading successfully, temporarily storing the read water meter data of the user, and stamping a time tag;
the water meter collector is connected with the electric collection concentrator through an RS485 bus, and the electric collection concentrator reads water meter data in the water meter collector by utilizing a power consumer electricity consumption information collection system communication protocol;
the electricity collection concentrator transmits data to the electricity information collection system main station by using a communication network for electricity information collection.
According to the further technical scheme, when the water meter collector detects the overload of the M-Bus load every day, if an alarm event is generated due to overload, a user is reminded of solving the problem in time, and a time label is marked.
According to the further technical scheme, when the water meter data of the direct-reading water meter in the underground well is read, if the reading is unsuccessful, the reading is continued for the next day; reading unsuccessfully within the continuous set time, and generating items of failure reading of the water meter; reporting the alarm event and the failure items of water meter reading to a master station of the electricity utilization information acquisition system through an electricity acquisition concentrator, and forwarding the direct water utilization automatic meter reading system.
According to the further technical scheme, the electricity consumption information acquisition system master station sends water meter data to the water consumption automatic meter reading system master station through the agent forwarding module;
and the master station of the water-consumption automatic meter reading system judges whether the water meter data is available according to the water meter data and the time tag, if the time tag is within the set time with the settlement date, the data is considered to be valid, otherwise, the data is invalid, and for the water meter with invalid data, the master station sends a command to the water meter collector through the electric collection concentrator to read the failure items of the water meter reading.
The above one or more technical solutions have the following beneficial effects:
the technical scheme of the utility model adopts the passive direct-reading remote water meter, can realize the remote reading of water meter.
The remote meter reading method and the remote meter reading device are applied to the remote meter reading of the passive remote meter in the underground well of the residential area, the reconstruction of the existing tap water service system of the residential area is small, and the reliability of electronic equipment is improved through passive design.
The technical scheme of the utility model adopts the water meter collector based on embedded system design to have the functions of automatic reading and saving of water meter data, item generation and the like, and can realize remote meter reading of the water meter under the conditions of smaller transformation and investment.
Advantages of additional aspects of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure and are not to limit the disclosure.
FIG. 1 is a schematic view of a remote automatic meter reading system for water in the technical scheme of the disclosure;
fig. 2 is a schematic installation diagram of a water meter collector according to the technical scheme of the disclosure;
fig. 3 is an M-Bus transceiver circuit of a water meter collector according to the technical scheme of the disclosure.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present disclosure. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The embodiments and features of the embodiments in the present disclosure may be combined with each other without conflict.
Example one
The embodiment discloses a remote meter reading system of an underground well type water meter based on an embedded system, which is shown in the attached figure 1 and comprises: the system comprises a passive direct-reading remote-transmission water meter, a water meter collector, an electricity collection center, an electricity information collection communication network, an electricity information collection system master station, an agent forwarding module and an automatic water meter reading system master station.
The water meter collector reads data of the direct-reading passive water meter, caches the data, and then accesses the electricity consumption information collection system. More specifically, the water meter collector realizes that water meter data is accessed into a concentrator for collecting electricity utilization information (hereinafter referred to as an electricity collection concentrator), and the water meter data is remotely transmitted through a communication network for collecting electricity utilization information and is accessed into a master station of a water consumption remote meter reading system.
The direct-reading remote water meter is arranged in a buried water meter well of a residential user community and is connected with a water meter collector arranged in a corridor by adopting an M-Bus wired communication mode. The direct-reading remote water meter adopts a passive design, is not electrified at ordinary times, and only when the water meter is remotely read, the water meter collector provides power for the water meter through the M-Bus.
The water meter collector is arranged in a power consumption information acquisition box in a passageway of a residential building, is connected with the water meter by adopting M-Bus and is connected with a power acquisition concentrator in the power consumption information acquisition box through an RS485 Bus. The water gauge collector adopts the design based on embedded system, includes: the system comprises a power module, an embedded system, an M-Bus transceiver circuit and an RS485 transceiver circuit; the other end of the M-Bus transceiving circuit is in communication connection with the water meter to be collected; the other end of the RS485 receiving and transmitting circuit is in communication connection with a concentrator (hereinafter referred to as an electricity acquisition concentrator) of the electricity utilization information acquisition system. The embedded system takes BeagleBone Black as a core board, a processor is 1GHz, an onboard memory is 4GB, and a memory is more than 2GB, so that the functions of protocol conversion and data caching with time tags can be realized. The water meter collector is connected with 60 water meters through M-Bus, and the communication distance is within 200M.
The water meter collector completes the conversion between the direct-reading water meter communication protocol and the electricity utilization information acquisition communication protocol.
The electricity acquisition center device is arranged in an electricity consumption information acquisition box in a passageway of a residential building and is used for packaging data of each electric meter and water consumption data acquired by the water consumption meter acquisition devices and communicating with an electricity consumption information acquisition system main station by using a communication network for electricity consumption information acquisition so as to realize data forwarding.
As shown in fig. 1, the master station of the electricity consumption information acquisition system is located in a dispatching center, and remote reading of electricity consumption information and water meter information is realized.
And the agent forwarding module extracts water meter information from the power utilization information acquisition system and forwards the water meter information to the water consumption automatic meter reading main station.
The water consumption automatic meter reading master station is a master station of an automatic meter reading system, and judges whether the read data meet requirements according to the time tags of the water meter data, and is used for calling and reading the data of each user water meter and completing the statistics of the water consumption condition of the users.
Example two
The embodiment discloses a remote meter reading method for an underground well type water meter based on an embedded system, which comprises the following steps:
1001, connecting a water meter collector with a direct-reading water meter in a buried well of a residential area through M-Bus, wherein the water meter collector comprises 5 units, 2 wells in each unit, 6 water meters in each well and 60 water meters in total;
step 1002, the water meter collector detects the overload of the M-Bus load at 22 points every day, and if the overload generates an alarm event, a user is reminded to solve the problem in time, and a time label is marked; if the load is normal, sending a whole water meter data reading command once, and reading the water meter data of the direct-reading water meter in the underground well; after reading successfully, temporarily storing the read water meter data of the user, and stamping a time tag; if the reading is unsuccessful, waiting for the next day to continue reading; reading unsuccessfully for 3 consecutive days, and generating the items of failure of reading the water meter; reporting the alarm event and the failure items of water meter reading to a power consumption information acquisition system master station through an electric acquisition concentrator, and forwarding the direct water consumption automatic meter reading system master station;
step 1003, the water meter collector is connected with the electric collection concentrator through an RS485 bus, and the electric collection concentrator reads water meter data in the water meter collector by using a communication protocol of a power consumer electricity consumption information collection system;
step 1004, the electricity collection concentrator sends data to the electricity information collection system main station by using the communication network for electricity information collection;
step 1005, the electricity consumption information acquisition system master station sends the water meter data to the water consumption automatic meter reading system master station through the proxy forwarding module;
and step 1006, the master station of the automatic water meter reading system judges whether the water meter data is available according to the water meter data and the time tag, if the time tag is within 6 days of the settlement date, the data is considered to be valid, otherwise, the data is invalid, and for the water meter with invalid data, the master station sends a command to a water meter collector through an electric collection concentrator, reads failure items of the water meter and analyzes failure reasons.
In step 1001, the water meter collector is designed based on an embedded system of an ARM machine, the processor is 1GHz, the onboard memory is 4GB, and the memory is more than 2GB, so that the conversion of protocols and the caching function of data with time tags can be realized.
In step 1001, a water meter collector is connected to no more than 60 water meters using M-Bus.
In step 1002, the water meter collector caches the water meter data with a time tag, and 12 bytes are adopted, wherein the data is 4 bytes, the BCD code indicates that the lower bit is in front and the upper bit is in back, and indicates that an integer of 6 bits and 2 bits of decimal is expressed in a unit of cubic meter, such as 11223344, which is 443322.11 square meters; the time label is 7 bytes, the BCD code indicates that the lower bit is in front and the upper bit is in back, such as 31012225101920, and the time label indicates that the time label is 01 minutes and 31 seconds in 2019, 10 months, 25 days and 22 days; 1 byte is reserved.
In step 1002, the water meter collector reads data from all water meters once a day.
In step 1002, after the event that the reading of the water meter fails is generated, the event is actively reported to the master station of the automatic water meter reading system through the electricity collection concentrator, and meanwhile, the time for locally storing the event is 1 year. Items 1 year ago are deleted proactively.
In step 1006, the master station of the automatic water meter reading system determines whether the data of the water meter is valid according to the data of the water meter and the time tag of the data of the water meter, if the data of the water meter is within 6 days of the settlement date, the data of the water meter is considered to be qualified, and if the difference exceeds 6 days, the data is considered to be unqualified, and the electricity collection concentrator is used for calling the reason of the failure in reading the data of the water meter in the water meter collector.
The water meter collector is arranged in an electricity meter box of a power grid company, is connected with a direct-reading remote water meter, reads data of the water meter and caches the data; and the electric acquisition concentrator is connected with the water meter and responds to a meter reading command of the electric acquisition concentrator to send the water meter data to the electric acquisition concentrator. The electric energy collection concentrator is connected with an electric energy meter remote communication network and sends electric meter data and water meter data to background software in a unified mode. And the proxy forwarding system reads and reads water meter data from the electric energy meter reading background software and forwards the data to a tap water company. By means of the existing communication channel of the electric meter, the remote meter reading of the water meter is realized by adopting the water meter collector based on the embedded system, the related construction expenses and the labor cost are saved, and the electric meter reading device is easy to popularize.
The above description is only a preferred embodiment of the present disclosure and is not intended to limit the present disclosure, and various modifications and changes may be made to the present disclosure by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present disclosure should be included in the protection scope of the present disclosure.
Although the present disclosure has been described with reference to specific embodiments, it should be understood that the scope of the present disclosure is not limited thereto, and those skilled in the art will appreciate that various modifications and changes can be made without departing from the spirit and scope of the present disclosure.
Claims (10)
1. The utility model provides a bury long-range system of checking meter of well formula water gauge based on embedded system, characterized by includes: the system comprises an embedded water meter collector, an electric collection concentrator and an electric information collection system main station;
the embedded water meter collector provides a power supply for the water meter when reading the direct-reading passive remote water meter, and meanwhile caches the collected data and adds a time tag;
the embedded water meter collector uploads data to the electricity collection concentrator, and the electricity collection concentrator transmits the data to the electricity information collection system main station through a network.
2. The embedded system-based buried well type water meter remote meter reading system of claim 1, further comprising a water use automatic meter reading system master station;
the water meter system master station is configured to: and judging whether the water meter data is available according to the water meter data and the time tag, if the time tag is within the set time with the settlement date, considering the data to be valid, and if not, considering the data to be invalid, and issuing a command to a water meter collector through an electric collection concentrator for the water meter with invalid data to obtain the failure items of reading the water meter.
3. The embedded system-based underground well type water meter remote reading system of claim 1, wherein the embedded water meter collector is connected with the water meter by using an M-Bus and is connected with an electric collection concentrator in the electric information collection box through an RS485 Bus.
4. The embedded system-based underground well type water meter remote meter reading system as claimed in claim 1, wherein the embedded water meter collector is an embedded system based on ARM, and comprises an ARM processor and a memory, wherein the ARM processor realizes protocol conversion, and the memory caches data with time tags.
5. The embedded system-based underground well type water meter remote meter reading system as claimed in claim 1, wherein the electricity collection center is installed in an electricity consumption information collection box in a corridor of a residential building, and is used for packaging data of each electricity meter and water consumption data collected by the water meter collector and communicating with a master station of the electricity consumption information collection system by using a communication network for electricity consumption information collection to realize data forwarding.
6. The embedded system-based underground well type water meter remote meter reading system as claimed in claim 2, further comprising a proxy forwarding module, wherein the proxy forwarding module extracts water meter information from the electricity consumption information acquisition system and forwards the water meter information to the water consumption automatic meter reading main station.
7. The embedded system-based underground well type water meter remote meter reading system as claimed in claim 2, wherein the electricity consumption information acquisition system master station is located at a dispatching center to realize remote reading of electricity consumption information and water meter information;
the water consumption automatic meter reading master station is a master station of an automatic meter reading system and is used for calling and reading data of each user water meter and completing statistics of water consumption of users.
8. A buried well type water meter remote meter reading method based on an embedded system is characterized by comprising the following steps:
the method comprises the following steps that a water meter collector carries out M-Bus load overload detection every day, and when the load is normal, a command for reading all water meter data is sent once to read the water meter data of a direct-reading water meter in a buried well; after reading successfully, temporarily storing the read water meter data of the user, and stamping a time tag;
the water meter collector is connected with the electric collection concentrator through an RS485 bus, and the electric collection concentrator reads water meter data in the water meter collector by utilizing a power consumer electricity consumption information collection system communication protocol;
the electricity collection concentrator transmits data to the electricity information collection system main station by using a communication network for electricity information collection.
9. The method as claimed in claim 8, wherein when the water meter collector detects the overload of the M-Bus load every day, if an alarm event is generated due to overload, the user is reminded to solve the problem in time, and a time tag is marked.
According to the further technical scheme, when the water meter data of the direct-reading water meter in the underground well is read, if the reading is unsuccessful, the reading is continued for the next day; reading unsuccessfully within the continuous set time, and generating items of failure reading of the water meter; reporting the alarm event and the failure items of water meter reading to a master station of the electricity utilization information acquisition system through an electricity acquisition concentrator, and forwarding the direct water utilization automatic meter reading system.
10. The method for remotely reading the underground well type water meter based on the embedded system as claimed in claim 8, characterized in that the electricity consumption information acquisition system master station sends the water meter data to the water consumption automatic meter reading system master station through the proxy forwarding module;
and the master station of the water-consumption automatic meter reading system judges whether the water meter data is available according to the water meter data and the time tag, if the time tag is within the set time with the settlement date, the data is considered to be valid, otherwise, the data is invalid, and for the water meter with invalid data, the master station sends a command to the water meter collector through the electric collection concentrator to read the failure items of the water meter reading.
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| CN202011143571.2A CN112272229A (en) | 2020-10-23 | 2020-10-23 | Embedded system-based remote meter reading method and system for underground well type water meter |
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| CN202011143571.2A CN112272229A (en) | 2020-10-23 | 2020-10-23 | Embedded system-based remote meter reading method and system for underground well type water meter |
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