CN102447970A - Water/electricity meter inquiry system based on digital television middleware - Google Patents
Water/electricity meter inquiry system based on digital television middleware Download PDFInfo
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Abstract
The invention discloses a water/electricity meter inquiry system based on digital television middleware. The water/electricity meter inquiry system comprises a client side, a channel background server and a wireless water/electricity server, wherein the client side comprises a bidirectional set top box and a digital television; the bidirectional set top box is used for analyzing a water/electricity meter channel; the wireless water/electricity meter server comprises an RMI (Remote Method Invocation) server module and a water/electricity meter inquiry module; the channel background server comprises a Web layer assembly and a business application layer assembly; the Web layer assembly is used for receiving and analyzing the inquiry request sent by the bidirectional set top box and feeds back a result; and the business application layer assembly is used for remotely invocating the wireless water/electricity meter server and performing business treatment. According to the water/electricity meter inquiry system based on the digital television middleware, disclosed by the invention, the related data information of water/electricity meters can be inquired in real time and updated at fixed time, historical inquiry can be realized, the requirements of a digital home water/electricity meter inquiry business can be better reflected, and a certain transferability and expandability can be achieved.
Description
Technical field
The present invention relates to intelligent residential area administrative skill field, relate in particular to a kind of water power table inquiry system based on the DTV middleware.
Background technology
Development DTV and value-added service thereof make great efforts to promote user experience, let television set finally become the media termination of " perfect information ", are the urgent task of pendulum in face of us.Along with integral translation and the network bi-directional transformation of simulated television, be that the development model at center becomes a kind of approach that the most suitable China realizes digital home gradually with the DTV to DTV.In this development model, the DTV middleware Technology has been arranged as assurance, the user also can carry out various informative interactive value-added service when watching the digital TV in high resolution program.Water power table inquiry is as one of value-added service of radio and television industry, changed the mode of viewing and admiring of traditional water ammeter from fundamental significance, makes that intelligent water power table inquiry no longer has been a kind of passive demand, but a kind of independence that has become the televiewer is selected.
Value added service of digital television is the developing direction of DTV, when remote controller has replaced mouse, when television set changes women's head-ornaments; When various information systems merge; TV no longer is traditional TV, and interactive, personalization becomes the maximum glamour of DTV, and DTV is exactly a new media.Can DTV for a long time, the key problem of stable development is that network company has and do not have suitable profit model, and to the user colourful service content being provided is the basis of DTV development.Will be the direction of DTV development alternately, have only and realized to carry out like value-added services such as VOD, online game, ecommerce, VoIP alternately, and value-added service will be the professional core of network company's structure profit model.
The method of modern water power metering and charge is maked rapid progress, and traditional measuring instrument and the artificial method of counting cost by gas meter to the doorstep just progressively are eliminated.Along with the enforcement of " Every household has an ammeter reads the ammeter directly " engineering, computer networking is concentrated and is copied and accepted, and centralized control is concentrated the management method of charge, is just accepted by increasing people.Several kinds of technical schemes below the present water power table remote meter reading:
(1) IC-card system, the IC-card system need not connect up, and technology content is not high, easily by deciphering, destruction and fraud, bring massive losses can for property department and country.Be difficult to initiatively adapt to the electricity price change.Parent company of State Grid expressly provides that Every household has an ammeter the inaccurate IC-card table that uses of engineering belongs to obsolete product.
(2) carrier wave system; Carrier wave system need not connect up; Easy for installation, the interference that electromagnetic interference on the power line and load variations produce is the difficult problem that power carrier is checked meter, and transmits data through the power carrier mode; Can not copy and accept data and control ammeter at any time, that is to say and to realize pre paid functionality.
(3) 485 bus modes, 485 bus modes can realize the real-time Transmission and the ammeter control of data, are superior to above other schemes, and data transmission safety reliability, accuracy are not high, and the distance of transmission is limited, needs the cloth netting twine.
(4) can bus mode; The can bus is a local area network (LAN) communications protocol of new generation newly developed; Have the advantages that to be prone to use, high reliability, no error code; Be that traditional RS-485 bus mode is incomparable, can realize that ammeter is copied and accepted in real time, optional, the remote on/off control of paying after the pre-payment, the monitoring of ammeter status remote, need the cloth netting twine.
Because each user monopolizes a communication link and a part of wireless water power list server resource; And need summary responses; Thereby communication network and server configures all had higher requirements, the expense of not only water power list server, and channel and other system element is all quite high.
Along with deepening continuously of supply power water supply automation and urban and rural power grids, grid transformation; Relate to huge numbers of families' water power management and check meter to charge and become the hot issue of electric power and care of property department and attention; Although existing at present through 485 netting twines, power carrier, infrared; The wireless communication modes that waits; To water power manage with various tables counting according to making a copy of, but concrete use and the project implementation process in, all run into data and make a copy of problems such as instability, real-time property is poor, system reliability is not high.
Therefore, demand a kind of water power table inquiry system urgently and solve above-mentioned defective based on the DTV middleware.
Summary of the invention
The object of the present invention is to provide a kind of water power table inquiry system based on the DTV middleware; Satisfy the growing increment demand of the user of digital home better; Each user monopolizes a communication link and a part of RMI (Remote Method Invocation in the inquiry of solution water power table; RMI) server resource, and need the problem of summary responses, and solve the delay issue in the inquiry of water power table.
For realizing above-mentioned purpose; The invention provides a kind of water power table inquiry system based on the DTV middleware; Comprise client, channel background server and wireless water power list server; Said client comprises bi-directional set-top box and DTV, is provided with water power table channel in the said bi-directional set-top box, and said bi-directional set-top box is resolved water power table channel; Said DTV is used for display video and interface information, and bi-directional set-top box uses http protocol to send query requests to the channel background server; Wireless water power list server comprises RMI server module and water power table enquiry module, the service that said RMI server provides far call water power table to inquire about to the channel background server, and said water power table enquiry module connects the water power table through serial ports; The channel background server comprises Web layer assembly and service application layer assembly; Said Web layer assembly is used to receive and resolve the query requests that bi-directional set-top box sends; Said service application layer assembly is used for the wireless water power list server of the far call industry of going forward side by side be engaged in to be handled, and said Web layer assembly returns to bi-directional set-top box to the result of service application layer assembly with the Web response mode.
Preferably, said Web layer assembly is Servlet.
Preferably, the user imports content through remote controller in the input frame at DTV interface.
Preferably, said service application layer assembly is wireless water power table channel EJB (Enterprise JavaBean, the commercial application assembly among the JAVA).
Water power table inquiry system based on the DTV middleware of the present invention; Can realize inquiry in real time and regularly upgrade water power epiphase pass data message; And can carry out historical query, said system designs a model based on the water power table system of DTV middleware, and this designs a model and is the basis with model-view-director mode (MVC (Model-View-Controller) pattern); Adopted the B/S framework, Data Transport Protocol is the international standard http protocol.This system reflects the demand of present digital home water power table inquiry business preferably, and possesses certain portability and extensibility.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structured flowchart of the water power table inquiry system based on the DTV middleware of the present invention;
Fig. 2 is that the water power table inquiry system based on the DTV middleware of the embodiment of the invention carries out querying flow figure;
Fig. 3 is the flow chart that water power table inquiry system of the present invention is inquired about in real time, regularly upgraded;
Fig. 4 is the flow chart that water power table inquiry system of the present invention carries out historical query.
Embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making all other embodiment that obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.As stated, the present invention proposes a kind of water power table system based on the DTV middleware of the market demand instantly that is fit to.Each user monopolizes a communication link and a part of RMI server resource in the solution water power table inquiry of said system, and needs the problem of summary responses; And the key issue that solves the system architecture of the efficient wireless water power table RMI server of structure; For the practical solution of setting up energy or MRP (capability planning) is used in various dissimilar inquiries; And the delay issue in the inquiry of solution water power table; Realize real immediate inquiring effect, bi-directional set-top box is resolved water power table channel, on DTV, presents television image; The user of digital home imports content through remote controller in the input frame of client end interface, realize the application of two-way interaction valued added applications and water power table inquiry in digital home.
With reference to figure 1, a kind of water power table inquiry system provided by the present invention based on the DTV middleware, mainly form by following three parts:
Client comprises bi-directional set-top box and DTV.Bi-directional set-top box is resolved water power table channel; On DTV, present television image; The user of digital home imports content through remote controller in the input frame of client end interface, bi-directional set-top box uses http protocol to send query requests to the channel background server;
The channel background server; Comprise Web layer assembly and service application layer assembly; The Web layer assembly is Servlet; Be used to receive and resolve the Web request that bi-directional set-top box sends, call corresponding channel service module and handle, and return to bi-directional set-top box to the result of business module with the Web response mode; The service application layer assembly is EJB, realizes the Business Processing of channel, and water power table EJB handles the business of water power table channel, through the water power table querying method of RMI technology far call water power list server.
Wireless water power list server comprises RMI server module and water power table enquiry module, and connects the water power table through serial ports.The RMI server provides the service of far call water power table inquiry to the channel background server.
With reference to figure 2, the flow process based on the water power table inquiry system of DTV middleware of the embodiment of the invention roughly comprises: utilize the client data acquisition software through serial ports from radio network gateway reading of data and utilize agreement carry out data parsing be saved in the database, then through the web application reading of data, finally through page video data.
The realization of said water power table inquiry system major function based on the DTV middleware is following:
(1) inquiry in real time and regularly renewal, idiographic flow is with reference to figure 3;
Real-time query function: the user user of digital home through button click, requires the reading of inquiry named list at the DTV browser page;
The timing update functions: server regularly sends instruction and obtains data to the user and deposits database in, by the ColectMeterDataOnTime realization of network communication module.
(2) historical query flow process, idiographic flow is with reference to figure 4.
In an embodiment of the present invention, in database, set up following several tables:
The structure of table 1TableInfo information table
| Field name | Type | Length | Can be sky | Remarks |
| ?ID | int | 4 | no | Id, major key |
| ?TableID | varchar | 10 | yes | Table numbering character string |
| ?ReadTableFlag | varchar | 2 | yes | Begin to read the sign instruction of table data |
| ?TableType | varchar | 2 | yes | Water power table type |
| ?TableState | varchar | 50 | no | The water power table status |
| TableNum | decimal | 8 | yes | Water power table numerical value |
| PreNum | decimal | 8 | yes | Last time reading |
| CRCNum | varchar | 4 | yes | Water power table numbering |
| ReadTime | datetime | 4 | yes | The time of meter reading |
The structure of table 2UserInfo information table
| Field name | Data type | Byte | Explanation | Whether allow for sky |
| autoid | int | 4 | Automatic numbering, major key | Not |
| userid | char | 8 | The ammeter Customs Assigned Number | Not |
| ipaddr | char | 4 | The IP address | Be |
| mapport | smallint | 2 | Mapped port | Be |
| password | char | 6 | User cipher | Not |
| usertype | char | 6 | User type | Not |
| region | char | 8 | The region | Be |
| pmeterid | bigint | 8 | The ammeter numbering | Be |
| wmeterid | bigint | 8 | The water meter numbering | Be |
The structure of table 3Pmeter information table
| Field name | Data type | Byte | Explanation | Whether allow for sky |
| userid | char | 8 | The ammeter Customs Assigned Number, major key | Not |
| date | datetime | 8 | Date | Not |
| rdg | real | 4 | The ammeter reading | Not |
The structure of table 4Wmeter information table
| Field name | Data type | Byte | Explanation | Whether allow for sky |
| userid | char | 8 | The water meter Customs Assigned Number, major key | Not |
| date | datetime | 8 | Date | Not |
| rdg | real | 4 | Meter reading | Not |
Water power table inquiry system based on the DTV middleware of the present invention; Can realize inquiry in real time and regularly upgrade water power epiphase pass data message; And can carry out historical query, said system designs a model based on the water power table system of DTV middleware, and this designs a model and is the basis with model-view-director mode (MVC pattern); Adopted the B/S framework, Data Transport Protocol is the international standard http protocol.This system reflects the demand of present digital home water power table inquiry business preferably, and possesses certain portability and extensibility.
More than to a kind of water power table inquiry system that the embodiment of the invention provided based on the DTV middleware, carried out detailed introduction, the explanation of above embodiment just is used for help understanding method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that on embodiment and range of application, all can change, in sum, this description should not be construed as limitation of the present invention.
Claims (4)
1. the water power table inquiry system based on the DTV middleware is characterized in that, comprising:
Client; Comprise bi-directional set-top box and DTV; Be provided with water power table channel in the said bi-directional set-top box; Said bi-directional set-top box is resolved water power table channel, and said DTV is used for display video and interface information, and bi-directional set-top box uses http protocol to send query requests to the channel background server;
Wireless water power list server comprises RMI server module and water power table enquiry module, the service that said RMI server provides far call water power table to inquire about to the channel background server, and said water power table enquiry module connects the water power table through serial ports;
The channel background server; Comprise Web layer assembly and service application layer assembly; Said Web layer assembly is used to receive and resolve the query requests that bi-directional set-top box sends; Said service application layer assembly is used for the wireless water power list server of the far call industry of going forward side by side be engaged in to be handled, and said Web layer assembly returns to bi-directional set-top box to the result of service application layer assembly with the Web response mode.
2. the water power table inquiry system based on the DTV middleware according to claim 1 is characterized in that said Web layer assembly is Servlet.
3. the water power table inquiry system based on the DTV middleware according to claim 1 is characterized in that the user imports content through remote controller in the input frame at DTV interface.
4. the water power table inquiry system based on the DTV middleware according to claim 1 is characterized in that, said service application layer assembly is wireless water power table channel EJB.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2011102980176A CN102447970A (en) | 2011-09-29 | 2011-09-29 | Water/electricity meter inquiry system based on digital television middleware |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102980176A CN102447970A (en) | 2011-09-29 | 2011-09-29 | Water/electricity meter inquiry system based on digital television middleware |
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| Publication Number | Publication Date |
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| CN102447970A true CN102447970A (en) | 2012-05-09 |
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| CN2011102980176A Pending CN102447970A (en) | 2011-09-29 | 2011-09-29 | Water/electricity meter inquiry system based on digital television middleware |
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| CN105006138A (en) * | 2015-07-28 | 2015-10-28 | 夏浩嘉 | Gas meter monitoring method, device and system |
| CN105023421A (en) * | 2015-07-28 | 2015-11-04 | 夏浩嘉 | Ammeter monitoring method, device and system |
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Application publication date: 20120509 |