Summary of the invention
In view of this, can't provide the platform district belongingness of collector and subscriber's meter meter and the problem of separate information in order to solve existing wireless GPRS collector electric power centralized meter-reading system, a kind of electric power centralized meter-reading system is provided, technical scheme is as follows:
The electric power centralized meter-reading system comprises main website, and one or more electric power platforms district;
Each described electric power platform district comprises a plurality of GPRS collectors, a GPRS summary table, a master terminal that is connected with described GPRS summary table respectively, and link to each other with described master terminal and corresponding one by one with described GPRS collector, and be loaded on a plurality of sub-terminal of same phase;
Described master terminal is used for reading the total table address of GPRS, and the total table address of described GPRS is the platform regional address in this electric power platform district;
The described sub-terminal GPRS collector corresponding with it connects, and the GPRS collector corresponding with it be installed on same phase, be used for obtaining the total table address of described GPRS from described master terminal, and the separate information of self;
Described main website obtains acquisition instructions, and described acquisition instructions comprises the sign of described GPRS collector;
The control of described main website and the corresponding GPRS collector of described sign read the total table address of described GPRS and the described separate information in the sub-terminal corresponding with it;
Described main website obtains the total table address of described GPRS and described separate information.
Preferably, in above-mentioned electric power centralized meter-reading system, obtain the total table address of described GPRS and described separate information according to the described main website of following steps:
Described GPRS collector makes up a carrying Frame, it is identical that the form of described carrying Frame and collection are copied Frame, the total table address of described GPRS and the described separate information that read are placed in the described carrying Frame, and described carrying Frame is sent to described main website;
Described main website obtains described carrying Frame, resolves the total table address of described GPRS and the described separate information that obtain wherein.
Preferably, in above-mentioned electric power centralized meter-reading system, described GPRS summary table has a RS485 interface;
Described master terminal has the 2nd RS485 interface, and is connected with a described RS485 interface by described the 2nd RS485 interface.
Preferably, in above-mentioned electric power centralized meter-reading system, each described sub-terminal is by carrier wave and the binding of described master terminal.
Preferably, in above-mentioned electric power centralized meter-reading system, described master terminal adopts three phase supply, and described sub-terminal adopts single phase power supply.
In the disclosed electric power centralized meter-reading system of the embodiment of the invention, master terminal mainly is responsible for platform district identification management function, namely obtain the total table address of GPRS from the GPRS summary table when the foreground partition, sub-terminal and master terminal are used, sub-terminal is obtained when the total table address of the GPRS of foreground partition and sub-terminal place separate information mutually from master terminal, above-mentioned master terminal and the sub-terminal servicing unit for increasing, its operation of making a copy of that does not only influence original ammeter data (also is main website+collector, table meter archives download to collector by main website, collector is carried out making a copy of of ammeter data then, and data are reported the operation of main website), can also solve the identification of platform district and the separate identification problem that can't identify in the existing power centralized meter-reading system.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, 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 belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
The objective of the invention is to make main website to obtain platform district under each GPRS collector and the separate information of place phase, separate information refers to the A phase in the line of electric force three-phase four-wire system, B mutually with C mutually.Platform district under the GPRS collector and the separate information of place phase have following purposes at least, for computer board district line loss exactly provides basic foundation, for three-phrase burden balance provides basic foundation, for economy operation of power grid provides basic foundation, can also improve the success ratio of checking meter, assist power department provides reliable reference for the generaI investigation of scene business.
The embodiment of the invention discloses a kind of electric power collection and copy acquisition system, comprise main website and one or more electric power platforms district.Each electric power platform district comprises a plurality of GPRS collectors, a GPRS summary table, a master terminal that is connected with the GPRS summary table respectively, and continuous and corresponding one by one with the GPRS collector with master terminal, and is loaded on a plurality of sub-terminal of same phase; Master terminal adopts three phase supply, and sub-terminal adopts single phase power supply; Master terminal is used for reading the total table address of GPRS, and the total table address of GPRS is the platform regional address in this electric power platform district; The sub-terminal GPRS collector corresponding with it connects, be used for obtaining the total table address of GPRS from master terminal, and the separate information of sub-terminal; Main website obtains acquisition instructions, and acquisition instructions comprises the sign of GPRS collector; Main website control is read information with the corresponding GPRS collector of sign, and information comprises the total table address of GPRS and the separate information in the sub-terminal corresponding with it; Main website obtains the total table address of GPRS and separate information.
Wherein, master terminal is responsible for platform district identification management function, namely obtain the total table address of GPRS from the GPRS summary table when the foreground partition, sub-terminal and master terminal are used, sub-terminal is obtained when the total table address of the GPRS of foreground partition and sub-terminal place separate information mutually from master terminal, above-mentioned master terminal and the sub-terminal servicing unit for increasing, its operation of making a copy of that does not only influence original ammeter data (also is main website+collector, table meter archives download to collector by main website, collector is carried out making a copy of of ammeter data then, and data are reported the operation of main website), can also solve the identification of platform district and the separate identification problem that can't identify in the existing power centralized meter-reading system.
Further, the main website in the present embodiment obtains the concrete steps of the total table address of described GPRS and described separate information and is:
The GPRS collector makes up a carrying Frame, and it is identical that the form of carrying Frame and collection are copied Frame, the total table address of the GPRS that reads and separate information is placed on carries in the Frame, and will carry Frame and send to main website; Main website obtains the carrying Frame, resolves the total table address of GPRS and the separate information that obtain wherein.
The GPRS collector makes up a carrying Frame, and also, the GPRS collector makes up one and copies the identical Frame of Frame with existing collection, and the total table address of GPRS and separate information is placed on existing collection copies in the identical Frame of Frame.Wherein, existing collection is copied Frame and is referred to, meets GB DL/T645 1997 and DL/T645 2007 predetermined data message formats.The electric power data that the real table meter that is used for gathering electric power data collects needs the standard of copying Frame according to existing collection, and with the electric power data packing and transfer to main website, main website resolves the electric power data that obtains wherein according to the standard that existing collection is copied data in the Frame.And sub-terminal of the present invention is equivalent to a virtual table meter, and it is that with the real difference that is used for the table meter of collection electric power data what sub-terminal was obtained is the total table address of GPRS and separate information, rather than electric power data.GPRS collector of the present invention makes up one and copies the identical Frame of Frame with existing collection, and the total table address of GPRS that obtains and separate information is positioned over originally places in the address byte of electric power data, with its packing and transfer to main website, main website resolves the total table address of GPRS and the separate information that obtains wherein according to the standard that existing collection is copied data in the Frame.
Below the detailed implementation procedure of introducing the electric power centralized meter-reading system that the embodiment of the invention provides, with reference to figure 2, the structural representation that a kind of electric power centralized meter-reading system is provided of signal.
Each GPRS collector links to each other with a table case, comprises at least one table meter in the table case, preserves the corresponding relation of each table meter in the coupled table case of each GPRS collector in the main website.Main website is after the separate information of the platform district under the GPRS collector that has obtained table meter correspondence and place phase, can obtain the affiliated platform district of each table meter and the separate information of place phase according to the corresponding relation of each table meter in the coupled table case of existing GPRS collector.
Master terminal is installed in the GPRS summary table place of distribution transforming side, is connected with the GPRS summary table; Sub-terminal is installed in the GPRS collector place of table case side, is connected with the GPRS collector, and the GPRS collector is wireless terminal.
Master terminal adopts 3 power supplies mutually, has RS485 interface and infrared interface, possesses RS485 ability to communicate and infrared communication function.The GPRS summary table has the RS485 interface equally, and master terminal links to each other with RS485 interface on the GPRS summary table by the RS485 interface on this terminal, and by the total table address of RS485 interface acquisition GPRS, the total table address of GPRS is the platform regional address in this electric power platform district.Master terminal reads the total table address of GPRS in this TV station district by the RS485 interface, and with it as address, perhaps, by infrared interface, the total table address of GPRS is set to the address of master terminal.
Sub-terminal adopts single phase power supply, uses same power supplies with the GPRS collector, and the power supply of sub-terminal determines last separate information.Sub-terminal has the RS485 interface, and it is as linking to each other with the RS485 network of GPRS collector with the table meter from equipment.
Each sub-terminal is bound by the master terminal in carrier wave and this TV station district.As, the sub-terminal 1 in the platform district 1 is bound with the master terminal in this TV station district, when group terminal 1 need be obtained the total table address of GPRS and separate information from master terminal, just only communicates by letter with the master terminal in this TV station district, and can not communicate by letter with the master terminal in other districts.
The GRPS collector can read data in the sub-terminal by the RS485 interface.As shown in table 1, sub-terminal RS485 adopts the address specific address (6 byte), and minimum 1 byte is configurable, so that the GPRS collector can be supported 255 bytes at most.Because sub-terminal is equivalent to a virtual table meter, it links to each other with the RS485 network of GPRS collector with the table meter of table in the case again, and the mailing address of table meter is necessary for difference in the same RS485 network, otherwise when the GPRS collector reads table meter information, to have a plurality of table meters and reply, cause error in data or conflict.So the address of sub-terminal must be unique.Special fixed value in the table 1 is exactly untapped table meter address all at present and in the future.
Table 1
The course of work of electric power centralized meter-reading system is as follows:
Master terminal reads the total table address of GPRS by RS485, and perhaps, the mailing address by infrared master terminal is set to the total table address of GPRS.
Sub-terminal is tied on the master terminal in its this TV station district by carrier wave.Wherein, if master terminal powers on or the modified address, can remove the attaching information of all sub-terminals, sub-terminal can be carried out the binding with master terminal again.
Sub-terminal is communicated by letter with the master terminal of its binding, obtains the address of this TV station district GPRS summary table, finishes the setting of sub-terminal identity district belongingness, and obtains the separate information of its power supply.
Main website reads the total table address of platform district GPRS and separate information in the sub-terminal by GPRS passage specified GPRS collector in the regular hour.In actual applications, main website reads the total table address of platform district GPRS and separate information in the sub-terminal with once a day frequency specified GPRS collector usually, and the total table address of GPRS and separate information are placed in the carrying Frame.
Main website obtains the carrying Frame, according to the standard acquisition total table address of platform district GPRS and the separate information of carrying Frame.
Main website determines ownership platform district and the separate information of table meter by the corresponding relation of GPRS collector and table meter.
Each embodiment adopts the mode of going forward one by one to describe in this instructions, and what each embodiment stressed is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.For the disclosed device of embodiment, because it is corresponding with the embodiment disclosed method, so description is fairly simple, relevant part partly illustrates referring to method and gets final product.
At last, also need to prove, in this article, relational terms such as first, second grade only is used for an entity or operation are made a distinction with another entity or operation, and not necessarily requires or hint and have the relation of any this reality or in proper order between these entities or the operation.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby make and comprise that process, method, article or the equipment of a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or also be included as the intrinsic key element of this process, method, article or equipment.Do not having under the situation of more restrictions, the key element that is limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises described key element and also have other identical element.
For the convenience of describing, be divided into various unit with function when describing above the device and describe respectively.Certainly, when implementing the application, can in same or a plurality of softwares and/or hardware, realize the function of each unit.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments herein.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the wideest scope consistent with principle disclosed herein and features of novelty.