CN102881133A - Wireless meter reading concentrator device based on digital TV set-top box and method - Google Patents
Wireless meter reading concentrator device based on digital TV set-top box and method Download PDFInfo
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- CN102881133A CN102881133A CN2012103305074A CN201210330507A CN102881133A CN 102881133 A CN102881133 A CN 102881133A CN 2012103305074 A CN2012103305074 A CN 2012103305074A CN 201210330507 A CN201210330507 A CN 201210330507A CN 102881133 A CN102881133 A CN 102881133A
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Abstract
The invention discloses a wireless meter reading concentrator device based on a digital TV set-top box and a method. The concentrator device is respectively connected with a meter reading information collection system and a meter reading information data management system and comprises a ZigBee wireless module and a digital TV set-top box module. The concentrator device is in communication with the meter reading information collection system through the ZigBee wireless module and is in communication with the meter reading information data management system through the digital TV set-top box module. The two-way control function of the wireless meter reading system on data transmission can be realized through the concentrator device, specific advantages of short-distance wireless communication and wired digital TV network can be merged through the combination of the ZigBee wireless module and the digital TV set-top box module, so that the requirements of wireless meter reading for transmission distance, transmission capacity and quality can be met. In addition, the device has the advantages of small size, flexibility in application scenes and strong general applicability.
Description
Technical field
The present invention designs the wireless mobile communication device field, is specifically related to a kind of radio meter register concentrator apparatus and wireless meter reading method that adopts the top box of digital machine transmission.
Background technology
Increase along with urban population and skyscraper, the manual mode workload of checking meter increases day by day, the operation management expense progressively increases, and is easy to occur checking meter the phenomenons such as task is heavy, efficient is low, the record is wrong, be inconvenient to manage, and robotization and the intellectuality that realizes checking meter proposed urgent demand.
ZigBee is based on a kind of short-distance radio network transmission mode of a low-power consumption territory fidonetFido of IEEE802.15.4 standard, this wireless communication technology have low-power consumption, short delay, high power capacity, high reliability and security, working frequency range flexibly, the characteristics of high power capacity and networking flexibility.In recent years, along with the improvement of infotech, China developed aspect Digital Television rapidly, and domestic Cable Digital TV Network has the characteristics such as coverage rate is wide, transmission stability is good at present.Adopt the relevant cable digital TV of digital TV set-top box can be easily and user interactions, but compare with the external same industry, the function of domestic digital TV set-top box mainly concentrates on the TV programme, also exists very large exploitation and application space.But ZigBee technology and digital tv network are applied to kilowatt meter reading-out system simultaneously, and the problem that waits to solve has: data acquisition problem, data transfer problem, the processing mode of data, the supply of energy, the correction of time, communication protocol etc.
Summary of the invention
For the defective that exists in the prior art, the object of the present invention is to provide a kind of radio meter register concentrator apparatus and method based on digital TV set-top box, solve and adopt Cable Network as the problem of implementation of Internet Transmission medium and the interface problem of short-distance radio network and Cable Digital TV Network in the wireless kilowatt meter reading-out system.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of radio meter register concentrator apparatus based on digital TV set-top box, this concentrator apparatus is connected with the amr message data management system with the amr message acquisition system respectively, it is characterized in that: this concentrator apparatus comprises the ZigBee wireless module, and the digital TV set-top box module that is connected with the ZigBee wireless module, concentrator apparatus is communicated by letter with the amr message acquisition system by the ZigBee wireless module, communicates by letter with the amr message data management system by the digital TV set-top box module.
Further, aforesaid a kind of radio meter register concentrator apparatus based on digital TV set-top box, described ZigBee wireless module is connected with the digital TV set-top box module communication by USB interface.
Further, aforesaid a kind of radio meter register concentrator apparatus based on digital TV set-top box, the ZigBee wireless module comprises the storer of the user's meter reading data that receives from the amr message acquisition system for storage, and for the microcontroller that user's meter reading data is resolved, microcontroller and storer all are connected with ZigBee wireless communication unit, and the ZigBee wireless module is used for carrying out radio communication with the amr message acquisition system by ZigBee wireless communication unit.
Further, aforesaid a kind of radio meter register concentrator apparatus based on digital TV set-top box, described ZigBee wireless module also comprises respectively power supply unit, clock unit and the flash storage unit that is connected with storer with microcontroller; Described power supply unit is used for the power supply of concentrator apparatus; Described clock unit is used for time calibration and the timing of concentrator apparatus; Described flash storage unit is used for supplementary storage and carries out the storage of user's meter reading data.
Further, aforesaid a kind of radio meter register concentrator apparatus based on digital TV set-top box, described digital TV set-top box module is the cable television digital TV set-top box.
Further, aforesaid a kind of radio meter register concentrator apparatus based on digital TV set-top box, when the digital TV set-top box module was power-up state, concentrator apparatus was powered by the digital TV set-top box module; When the digital TV set-top box module was off-position, concentrator apparatus was powered by the power supply unit of ZigBee wireless module.
Further again, aforesaid a kind of radio meter register concentrator apparatus based on digital TV set-top box, described ZigBee wireless module is to adopt the CC2531 exploitation to realize; Described USB interface adopts USB HID mode of operation, adopts interrupt mode to carry out the sending and receiving of data.
Further, aforesaid a kind of radio meter register concentrator apparatus based on digital TV set-top box, information acquisition source in the described amr message acquisition system is equipped with ZigBee node equipment, and ZigBee wireless communication unit is connected communication by ZigBee node equipment with the amr message acquisition system.
A kind of wireless meter reading method based on digital TV set-top box may further comprise the steps:
(1) the radio meter register concentrator apparatus powers on, initialization ZigBee wireless module and digital television backform piece, and the configuration USB interface is carried out the ZigBee wireless module and is connected with the network service of digital TV set-top box module;
(2) realize communicating by letter of ZigBee wireless module and amr message acquisition system, and the communicating by letter of digital TV set-top box module and amr message data management system;
(3) whether monitor channel has communication request, then continues if not to monitor; If then checking this communication request is from the ZigBee wireless module, still come from the digital TV set-top box module, then enter step (4) if come from the digital TV set-top box module, then enter step (5) if come from the ZigBee wireless module;
(4) microcontroller of ZigBee wireless module is resolved the communication request from the digital TV set-top box module, command information after resolving is issued to the amr message acquisition system through the ZigBee wireless module, the amr message acquisition system is carried out data acquisition according to command information, and the data after will gathering are sent to the ZigBee wireless module;
(5) data in the ZigBee wireless module are processed by the digital TV set-top box module be uploaded to the amr message data management system.
Further, aforesaid a kind of wireless meter reading method based on digital TV set-top box is in the step (3), before carrying out channel-monitoring, carry out the network connection test, whether Sampling network connects successful, if then enter step (2), then carry out retry if not until the network connection success.
Further, aforesaid a kind of wireless meter reading method based on digital TV set-top box, in the step (3), the clock unit of ZigBee wireless module arranges the fixed time interval that the amr message acquisition system is uploaded to data system's amr message data management system automatically, when carrying out channel-monitoring, monitor simultaneously the clock unit of ZigBee wireless module, judge whether the fixed time interval of automatically uploading expires, if then start the ZigBee node equipment of amr message acquisition system, wake the amr message acquisition system up, the data of amr message acquisition system collection are uploaded to the amr message data management system by concentrator apparatus.
Beneficial effect of the present invention is:
This practical concentrator apparatus can satisfy wireless kilowatt meter reading-out system to the two-way control function of data transmission.With respect to existing technology, the present invention can annex short-distance wireless communication and the distinctive advantage of Cable Digital TV Network, realizes the combination of the two.
ZigBee wireless module of the present invention has low-power consumption, and bearer cap is large, and the characteristics that transmission reliability is high can satisfy radio meter register to the requirement of transmission range, transmission capacity and transmission quality.The present invention has also fully used digital TV set-top box to have the large advantage of development space and cabled digital network and has than high coverage rate and the characteristics of transmission stability preferably.
Use scenes of the present invention is flexible, has very strong ubiquity using, and can be applied in during the unified vertical shaft type of installing of building checks meter, and also can be applied in the kilowatt meter reading-out system of family's independence mounting means that part now exists.In addition, the present invention is to provide a kind of go-between transmission equipment, all have certain applicability in the scene of short-distance radio network and Cable Digital TV Network integrated application.
This practical concentrator apparatus volume is little, and is convenient to install and use.
Description of drawings
Fig. 1 is the topological synoptic diagram of the working environment of concentrator apparatus of the present invention;
Fig. 2 is the rough schematic of concentrator apparatus basic composition structure of the present invention;
Fig. 3 is the functional block diagram of concentrator apparatus of the present invention;
Fig. 4 is the process flow diagram of a kind of wireless meter reading method based on digital TV set-top box of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with Figure of description and embodiment.
Fig. 1 has described the topological synoptic diagram of concentrator apparatus working environment of the present invention, in wireless kilowatt meter reading-out system, concentrator plays the intermediary of network effect that connects amr message acquisition system and amr message data management system, the command information of being responsible on the one hand the amr message data management system is issued receives, be issued to the amr message acquisition system after resolving, the amr message acquisition system is carried out corresponding operating again; On the other hand, be responsible for the solicited message of amr message acquisition system is processed, and be responsible for receiving the user data that the amr message acquisition system collects, after storing, change, encrypting, the meter reading data after will processing again is uploaded to information management system.
Fig. 2 has described the rough schematic of concentrator apparatus basic composition structure of the present invention.The present invention has two large basic composition modules, is responsible for ZigBee wireless module and digital TV set-top box the module responsible and direct communication of amr message data management system with the direct communication of amr message acquisition system.ZigBee wireless module and amr message acquisition system are carried out short-distance wireless communication by ZigBee-network, usually, require the information acquisition source in information acquisition system that ZigBee node equipment is installed.Digital TV set-top box module and amr message data management system communicate by Cable Network.Among the present invention, two large basic composition modules communicate connection by the Universal USB mouth, and the ZigBee wireless module is with USB plug, as usb communication from equipment, digital TV set-top box need adopt the set-top box with USB interface, as the main equipment of usb communication.
Fig. 3 has described the functional block diagram of concentrator apparatus of the present invention, be ZigBee wireless module and digital TV set-top box module, as can be seen from Figure, the ZigBee wireless module comprises microcontroller and storer, and the ZigBee wireless communication unit that is connected with storer with microcontroller respectively, the digital TV set-top box module can be general cable digital TV set-top box, mainly include line digital TV network communication unit, the digital TV set-top box module realizes and the communicating by letter of amr message data management system by this unit, the ZigBee wireless module is realized and the communicating by letter of amr message acquisition system by this ZigBee wireless communication unit, storer is used for user's meter reading data that storage receives from the amr message acquisition system, microcontroller is used for user's meter reading data is resolved, and the meter reading data after resolving is uploaded to the amr message data management system by Cable Network.By finding out among Fig. 3, the ZigBee wireless module has also comprised respectively power supply unit, clock unit and the flash storage unit that is connected with storer with microcontroller, power supply unit is used for the power supply to concentrator apparatus, clock unit is used for time calibration and the timing of concentrator apparatus, and the flash storage unit is used for supplementary storage and carries out the storage of user's meter reading data.Clock unit when the timing that reaches setting requires, initiatively starts the amr message acquisition system by carrying out time set, with the data upload after gathering to the amr message data management system.Wherein, power supply unit provides electric energy for whole concentrator, need explanation a bit, when the digital TV set-top box module under normal mode of operation, concentrator is powered by digital TV set-top box, the power supply unit of ZigBee wireless module charges, when digital TV set-top box is cut off the power supply, by powering in the battery unit year of ZigBee wireless module.ZigBee wireless module and the detachable use of digital TV set-top box module, can be separately or integral body overhaul.
ZigBee wireless module of the present invention adopts CC2531 to carry out developing on the sheet, particular hardware comprises the exploitation element that power supply, antenna, CC2531 master chip, pilot lamp, reset key, switch and external interface etc. are commonly used, have USB connector on the master chip, these elements are integrated to be encapsulated on the development board.The short-distance wireless communication that exploitation by the ZigBee wireless module realizes is existing technological means, no longer it is described in detail introduction at this.ZigBee technology is applied to kilowatt meter reading-out system, and it sets up powerful network node with very low cost, can satisfy the requirement of kilowatt meter reading-out system high power capacity, high-performance, low energy consumption.
Digital TV set-top box module in the present embodiment can directly adopt the household digital TV set-top box, can certainly have by prior art exploitation the module of digital TV set-top box function, realizes the purpose that communicates by Cable Network.The USB interface that plays ZigBee wireless module and digital TV set-top box module connection function adopts the Universal USB interface, and mode of operation adopts the communication mode of USB HID.The communication protocol of USB interface depends on libusb-1.0.so＜libusb-1.0/libusb.h〉library file.
In the wireless kilowatt meter reading-out system based on ZigBee and Cable Network comprehensive utilization, radio meter register concentrator apparatus of the present invention has two kinds of main use-patterns:
One of its use scenes is for the independent kilowatt meter reading-out system of installing in the resident family, this moment, the household digital TV set-top box can be directly as a part of the present invention (digital TV set-top box module), to be connected to the ZigBee wireless module of USB interface on the household digital TV set-top box, namely can be used as the concentrator of wireless kilowatt meter reading-out system behind the write-in program, realize man-to-man communication in the ZigBee-network this moment.
Another kind of use scenes of the present invention is the automatic meter reading system of installing in the building vertical shaft.At this moment, two large divisions of the present invention is not separated, together as every floor or according to the meter-copy collector in every sub-systems unit of actual division.Be that with the difference of the first application scenarios a plurality of information sources in ZigBee wireless module and the collector systems (information acquisition system) communicate at this moment, namely realize many-to-one communication in the ZigBee wireless network.
Fig. 4 shows the process flow diagram based on a kind of wireless meter reading method based on digital TV set-top box among Fig. 2, mainly comprises following step:
Step 1: the radio meter register concentrator apparatus powers on, initialization ZigBee wireless module and digital TV set-top box module, and the configuration USB interface is carried out the ZigBee wireless module and is connected with the network service of digital TV set-top box module;
Step 2: realize communicating by letter of ZigBee wireless module and amr message acquisition system by ZigBee wireless communication unit, by the communication system amr message data management system of Cable Digital TV Network communication unit realization digital TV set-top box module and amr message data management system;
Are connected with step by step 1 and finish powering on and after network service connects, need to carrying out the test of network connection of the whole acquisition system of checking meter, Sampling network connects whether success, if success then enters into step 3, if unsuccessful, then carries out retry, until successful connection.
Step 3: monitor channel, whether have communication request, then continue if not to monitor if monitoring; If then checking communication request is from the ZigBee wireless module, still come from the digital TV set-top box module, then resolve communication request if come from the digital TV set-top box module, command information after resolving is issued to the amr message acquisition system through the ZigBee wireless module, the amr message acquisition system is carried out data acquisition according to command information, and the data after will gathering are sent to the ZigBee wireless module, by the ZigBee wireless module data are processed by the digital TV set-top box module at last being uploaded to system's amr message data management system;
Then process communication request if communication request comes from the ZigBee wireless module, the data in the ZigBee wireless module are processed by the digital TV set-top box module being uploaded to system's amr message data management system.The ZigBee wireless module is processed processing such as mainly having comprised data storage, conversion and encryption to data, and the data after will processing afterwards reach the amr message data management system.
By above description as can be known, concentrator plays the intermediary of network effect that connects amr message acquisition system and amr message data management system, after resolving, the command reception of being responsible for that on the one hand the amr message data management system is issued is issued to the amr message acquisition system, receive on the other hand the data that information acquisition system collects, be uploaded to the amr message data management system after the processing, concentrator apparatus of the present invention is by the ZigBee wireless module, realize with the digital TV set-top box module is common, two modules can realize communication connection by USB interface, so when channel-monitoring, what mainly listen to is communication request from ZigBee wireless module and digital TV set-top box module, and the ZigBee wireless module is realized and the communicating by letter of the Information Monitoring system that checks meter, what the digital TV set-top box module realized is to communicate by letter with the amr message data management system, so the communication request from the digital TV set-top box module is the instruction that system's amr message data management system issues, resolve to be issued to through the ZigBee wireless module after this instruction and be issued to information acquisition system, have again information acquisition system to carry out data acquisition; And should be the request instruction of data upload from the communication request of ZigBee wireless module, after just the data in the ZigBee wireless module are processed after the processing (comprising storage, conversion, encryption etc.) be uploaded to the amr message data management system through the digital TV set-top box module.
In order to realize that the data in the information acquisition system can in time be uploaded to the amr message data management system, also be provided with timer internal in the equipment concentrator of the present invention, when channel-monitoring, monitor simultaneously timer internal, whether decision node is automatically uploaded fixed time interval and is expired, if then explanation reach setting automatically copy the time points that number is uploaded, then start wake on wireless communication node function, wake collector systems (amr message acquisition system) up, carry out uploading of data.
ZigBee module and collector node communicate need to follow certain communication protocol, with effective transmission of guarantee information; According to communication protocol, judge whether the collector node has data upload, regularly wait for a period of time if having then, behind the wait interval that arrival is set, carry out again reception, storage, conversion and the encryption of data; Data communication device after will processing is at last crossed USB interface and is uploaded to digital TV set-top box.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technology thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (11)
1. radio meter register concentrator apparatus based on digital TV set-top box, this concentrator apparatus is connected with the amr message data management system with the amr message acquisition system respectively, it is characterized in that: this concentrator apparatus comprises the ZigBee wireless module, and the digital TV set-top box module that is connected with the ZigBee wireless module, concentrator apparatus is communicated by letter with the amr message acquisition system by the ZigBee wireless module, communicates by letter with the amr message data management system by the digital TV set-top box module.
2. a kind of radio meter register concentrator apparatus based on digital TV set-top box as claimed in claim 1, it is characterized in that: described ZigBee wireless module is connected with the digital TV set-top box module communication by USB interface.
3. a kind of radio meter register concentrator apparatus based on digital TV set-top box as claimed in claim 1 or 2, it is characterized in that: the ZigBee wireless module comprises the storer of the user's meter reading data that receives from the amr message acquisition system for storage, and for the microcontroller that user's meter reading data is resolved, microcontroller and storer all are connected with ZigBee wireless communication unit, and the ZigBee wireless module is used for carrying out radio communication with the amr message acquisition system by ZigBee wireless communication unit.
4. a kind of radio meter register concentrator apparatus based on digital TV set-top box as claimed in claim 3 is characterized in that: described ZigBee wireless module also comprises respectively power supply unit, clock unit and the flash storage unit that is connected with storer with microcontroller; Described power supply unit is used for the power supply of concentrator apparatus; Described clock unit is used for time calibration and the timing of concentrator apparatus; Described flash storage unit is used for supplementary storage and carries out the storage of user's meter reading data.
5. a kind of radio meter register concentrator apparatus based on digital TV set-top box as claimed in claim 1, it is characterized in that: described digital TV set-top box module is the cable television digital TV set-top box.
6. such as claim 1 or 5 described a kind of radio meter register concentrator apparatus based on digital TV set-top box, it is characterized in that: when the digital TV set-top box module was power-up state, concentrator apparatus was powered by the digital TV set-top box module; When the digital TV set-top box module was off-position, concentrator apparatus was powered by the power supply unit of ZigBee wireless module.
7. a kind of radio meter register concentrator apparatus based on digital TV set-top box as claimed in claim 2 is characterized in that: described ZigBee wireless module is to adopt the CC2531 exploitation to realize; Described USB interface adopts USB HID mode of operation, adopts interrupt mode to carry out the sending and receiving of data.
8. a kind of radio meter register concentrator apparatus based on digital TV set-top box as claimed in claim 3, it is characterized in that: the information acquisition source in the described amr message acquisition system is equipped with ZigBee node equipment, and ZigBee wireless communication unit is connected communication by ZigBee node equipment with the amr message acquisition system.
9. wireless meter reading method based on digital TV set-top box may further comprise the steps:
(1) the radio meter register concentrator apparatus powers on, initialization ZigBee wireless module and digital television backform piece, and the configuration USB interface is carried out the ZigBee wireless module and is connected with the network service of digital TV set-top box module;
(2) realize communicating by letter of ZigBee wireless module and amr message acquisition system, and the communicating by letter of digital TV set-top box module and amr message data management system;
(3) whether monitor channel has communication request, then continues if not to monitor; If then checking this communication request is from the ZigBee wireless module, still come from the digital TV set-top box module, then enter step (4) if come from the digital TV set-top box module, then enter step (5) if come from the ZigBee wireless module;
(4) microcontroller of ZigBee wireless module is resolved the communication request from the digital TV set-top box module, command information after resolving is issued to the amr message acquisition system through the ZigBee wireless module, the amr message acquisition system is carried out data acquisition according to command information, and the data after will gathering are sent to the ZigBee wireless module;
(5) data in the ZigBee wireless module are processed by the digital TV set-top box module be uploaded to the amr message data management system.
10. a kind of wireless meter reading method based on digital TV set-top box as claimed in claim 9, it is characterized in that: in the step (3), before carrying out channel-monitoring, carry out the network connection test, whether Sampling network connects successful, if then enter step (2), then carry out retry if not until the network connection success.
11. such as claim 9 or 10 described a kind of wireless meter reading methods based on digital TV set-top box, it is characterized in that: in the step (3), the clock unit of ZigBee wireless module arranges the fixed time interval that the amr message acquisition system is uploaded to data system's amr message data management system automatically, when carrying out channel-monitoring, monitor simultaneously the clock unit of ZigBee wireless module, judge whether the fixed time interval of automatically uploading expires, if then start the ZigBee node equipment of amr message acquisition system, wake the amr message acquisition system up, the data of amr message acquisition system collection are uploaded to the amr message data management system by concentrator apparatus.
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| CN2012103305074A CN102881133A (en) | 2012-09-07 | 2012-09-07 | Wireless meter reading concentrator device based on digital TV set-top box and method |
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Application publication date: 20130116 |