Summary of the invention
In view of this, it is an object of the invention to overcome the deficiencies of the prior art and provide a kind of long-distance meter-reading systems, auxiliarySystem and ancillary equipment therein, to improve power information acquisition success rate.
In order to achieve the above object, the present invention adopts the following technical scheme:
A kind of remote meter reading acquisition ancillary equipment, is applied in GPRS wireless long-distance meter-reading system, the GPRS radio remoteJourney kilowatt meter reading-out system includes at least the user terminal being connected and data collection station that collection terminal is arranged in；The data acquisition is eventuallyEnd is communicated to connect with receiving end by GPRS network, for acquiring the power information of the user terminal and passing through GPRS networkIt is sent to receiving end；
The remote meter reading acquires ancillary equipment, including the first radio-frequency module and first antenna；
First radio-frequency module is separately connected the first antenna and the user terminal, for being based on 230MHz netNetwork, when receiving the downlink radio-frequency signal for the carrying data acquisition instructions that the receiving end is sent by the first antenna,It acquires the power information of the user terminal and is sent by the first antenna to the receiving end and carry the power informationUpstream radio-frequency signal；The downlink radio-frequency signal for carrying data acquisition instructions is the receiving end in lasting preset timeIt is sent when not receiving the power information that the data collection station is sent by the GPRS network.
Optionally, first radio-frequency module includes: the first RF receiving and transmission module being connected and the first signal processing mouldBlock；
First RF receiving and transmission module is connected with the first antenna, for by taking described in first antenna receptionDownlink radio-frequency signal with data acquisition instructions is simultaneously sent to first signal processing module, and by the first antenna toThe receiving end sends the upstream radio-frequency signal for carrying the power information；
First signal processing module is connected with the user terminal, under the carrying data acquisition instructionsRow radiofrequency signal handles to obtain the data acquisition instructions, and according to the data acquisition instructions from user terminal acquisition pairThe power information answered is handled the power information to obtain the upstream radio-frequency signal for carrying the power informationIt is sent to first RF receiving and transmission module.
Optionally, first signal processing module includes the first Digital IF Processing module and the first base band being connectedProcessing module；
The first Digital IF Processing module is connected with first RF receiving and transmission module, is used for the carrying dataThe downlink radio-frequency signal of acquisition instructions is processed into the first intermediate-freuqncy signal and is sent to first baseband processing module；By the electricity consumptionInformation processing is sent to first RF receiving and transmission module at the second intermediate-freuqncy signal；
First baseband processing module is connected with the user terminal, for receiving first intermediate-freuqncy signal and from instituteIt states and extracts the data acquisition instructions in the first intermediate-freuqncy signal, acquired according to the data acquisition instructions from the user terminalThe corresponding power information is simultaneously sent to the first Digital IF Processing module.
Optionally, further includes: power module；
The power module is separately connected first radio-frequency module and the user terminal, is used for the user terminalThe alternating current of offer is converted to direct current, and exports to first radio-frequency module.
Optionally, first radio-frequency module connects the user terminal by RS-232/RS-485 converter.
A kind of remote meter reading reception ancillary equipment, is applied in GPRS wireless long-distance meter-reading system, the GPRS radio remoteJourney kilowatt meter reading-out system includes at least the data centralized unit and control data corporation that receiving end is arranged in；The data centralized unit,It is connect with the control data corporation by ethernet communication, the power information sent for receiving collection terminal by GPRS networkAnd the control data corporation is sent to by Ethernet；
The remote meter reading receives ancillary equipment, including the second radio-frequency module, data processing module and the second antenna；ItsIn, second radio-frequency module is separately connected second antenna and the data processing module；
The data processing module receives the number for connecting with the control data corporation by ethernet communicationAccording to the data acquisition instructions that administrative center sends, the data acquisition instructions are sent to second radio-frequency module；The numberIt is that the control data corporation does not receive the collection terminal by the GPRS net in lasting preset time according to acquisition instructionsIt is sent when the power information that network is sent；It is also used to receive the power information that second radio-frequency module is sent and leads toIt crosses Ethernet and returns to the control data corporation；
Second radio-frequency module, for passing through institute when receiving the data acquisition instructions based on 230MHz networkIt states the second antenna and sends the upstream radio-frequency signal for carrying the data acquisition instructions to the collection terminal, and, it is adopted described in receptionThe power information is simultaneously sent to the data processing mould by the downlink radio-frequency signal for the carrying power information that collection end returnsBlock.
Optionally, second radio-frequency module includes: the second signal processing module being connected and the second radio-frequency receiving-transmitting mouldBlock；
Second RF receiving and transmission module is connected with second antenna, for by second antenna to the acquisitionEnd sends the upstream radio-frequency signal for carrying the data acquisition instructions, and receives that carrying that the collection terminal returns is described to use telecommunicationsThe downlink radio-frequency signal of breath；
The second signal processing module connects the data processing module, sends for receiving the data processing moduleThe data acquisition instructions, the data acquisition instructions handled to obtain described carry the upper of the data acquisition instructionsRow radiofrequency signal is simultaneously sent to second RF receiving and transmission module；The carrying that second RF receiving and transmission module is receivedThe downlink radio-frequency signal of the power information handles to obtain the power information and is sent to the data processing module.
Optionally, the second signal processing module includes the second Digital IF Processing module and the second base band being connectedProcessing module；
The second Digital IF Processing module is connected with second RF receiving and transmission module, and being used for will be described in the carryingThe downlink radio-frequency signal of power information is processed into third intermediate-freuqncy signal and is sent to second baseband processing module；By the dataAcquisition instructions are processed into the 4th intermediate-freuqncy signal and are sent to second RF receiving and transmission module；
Second baseband processing module is connected with the data processing module, for receiving the third intermediate-freuqncy signal simultaneouslyThe power information, which is extracted, from the third intermediate-freuqncy signal is sent to the data processing module.
A kind of remote meter reading auxiliary system, including as above described in any item remote meter readings acquire ancillary equipments and such as take up an official postRemote meter reading described in one receives ancillary equipment.
A kind of long-distance meter-reading system, including GPRS wireless long-distance meter-reading system and remote meter reading as described above auxiliary systemSystem；The GPRS wireless long-distance meter-reading system includes the user terminal being connected and data collection station that collection terminal is arranged in,The data centralized unit and control data corporation of receiving end are set；The data collection station, with the data centralized unitIt is communicated to connect by GPRS network, for acquiring the power information of the user terminal and being sent to the number by GPRS networkAccording to centralized unit；The data centralized unit is connect with the control data corporation by ethernet communication, described for receivingThe power information of data collection station transmission is simultaneously sent to the control data corporation by Ethernet；
The control data corporation receives ancillary equipment with the remote meter reading by Ethernet and connect, for receivingState the power information of data centralized unit transmission；When not receiving the power information in lasting preset time, to described remoteJourney meter reading receives ancillary equipment and sends data acquisition instructions.
Technical solution provided by the present application can include the following benefits:
In the solution of the present invention, it is based on GPRS wireless long-distance meter-reading system, increases remotely copying based on 230MHz networkTable ancillary equipment, when receiving end does not receive the power information that collection terminal is sent by GPRS network in lasting preset timeWhen, just send the radio frequency for carrying data acquisition instructions to collection terminal by 230MHz network using remote meter reading reception ancillary equipmentSignal is acquired when collection terminal receives the radiofrequency signal of carrying data acquisition instructions of receiving end transmission using remote meter readingAncillary equipment acquires power information and sends the radiofrequency signal of Portable power information to receiving end by 230MHz network, completes to useThe assisted acquisition of power information improves the success rate of power information acquisition.
Embodiment
It is a kind of structural block diagram of remote meter reading acquisition ancillary equipment provided in an embodiment of the present invention referring to Fig. 1, Fig. 1.Such asShown in Fig. 1, remote meter reading provided in this embodiment acquires ancillary equipment 11, is applied in GPRS wireless long-distance meter-reading system 12,GPRS wireless long-distance meter-reading system 12 may include the user terminal 1211 being connected and the data acquisition that collection terminal 121 is arranged inTerminal 1212；Data collection station 1212 is communicated to connect with receiving end 122 by GPRS network, for acquiring user terminal1211 power information is simultaneously sent to receiving end 122 by GPRS network；
Remote meter reading acquisition ancillary equipment 11 can specifically include: the first radio-frequency module 111 and first antenna 112；
First radio-frequency module 111 is separately connected first antenna 112 and user terminal 1211, for being based on 230MHz network,When receiving the downlink radio-frequency signal of carrying data acquisition instructions of the transmission of receiving end 122 by first antenna 112, acquisition is usedThe power information of family terminal 1211 and the upstream radio-frequency letter for sending Portable power information to receiving end 122 by first antenna 112Number；The downlink radio-frequency signal for carrying data acquisition instructions is that receiving end 122 does not receive data acquisition in lasting preset timeIt is sent when the power information that terminal 1212 is sent by GPRS network.
Telecommunications is used by what GPRS network was sent when receiving end does not receive data collection station in lasting preset timeWhen breath, the radiofrequency signal that ancillary equipment sends carrying data acquisition instructions is just acquired to remote meter reading by 230MHz network.TheOne radio-frequency module is separately connected first antenna and user terminal, when the carrying data for receiving receiving end transmission by first antennaWhen the downlink radio-frequency signal of acquisition instructions, acquires the power information of user terminal and carrying is sent to receiving end by first antennaThe upstream radio-frequency signal of power information completes the assisted acquisition of power information, improves the success rate of power information acquisition.
Wherein, the collected power information of user terminal is exactly modulated into radio frequency letter by the major function of the first radio-frequency moduleNumber and send, the structure that this function may be implemented belongs to protection scope of the present invention, only enumerates a kind of structure herein, canChoosing, as shown in Figure 1, the first radio-frequency module 111 includes: the first RF receiving and transmission module 1111 and the first signal processing being connectedModule 1112；
First RF receiving and transmission module 1111 is connected with first antenna 112, carries data for receiving by first antenna 112The downlink radio-frequency signal of acquisition instructions is simultaneously sent to the first signal processing module 1112, and passes through first antenna 112 to receiving end122 send the upstream radio-frequency signal of Portable power information；
First signal processing module 1112 is connected with user terminal 1211, for penetrating to the downlink for carrying data acquisition instructionsAudio signalprocessing obtains data acquisition instructions, and is acquired according to data acquisition instructions from user terminal 1211 and corresponding use telecommunicationsBreath, sends the first RF receiving and transmission module for the upstream radio-frequency signal that power information is handled to obtain Portable power information1111。
Wherein, the treatment process that signal processing module carries out signal predominantly convert baseband signals into radiofrequency signal andRadiofrequency signal is converted into baseband signal, likewise, the structure that this function may be implemented belongs to protection scope of the present invention, such asShown in Fig. 1, optionally, the first signal processing module 1112 includes the first Digital IF Processing module 1113 and first being connectedBaseband processing module 1114.
First Digital IF Processing module 1113 is connected with the first RF receiving and transmission module 1111, for that will carry data acquisitionThe downlink radio-frequency signal of instruction is processed into the first intermediate-freuqncy signal and is sent to the first baseband processing module 1114；Power information is handledThe first RF receiving and transmission module 1111 is sent at the second intermediate-freuqncy signal；
First baseband processing module 1114 is connected with user terminal 1211, for receiving the first intermediate-freuqncy signal and from firstData acquisition instructions are extracted in frequency signal, acquire corresponding power information simultaneously from user terminal 1211 according to data acquisition instructionsIt is sent to the first Digital IF Processing module 1113.
First RF receiving and transmission module includes that low noise sends out device and power amplifier big, main to realize after radio frequency reception and emitPreceding enhanced processing, the first baseband processing module include that digital analog converter and analog-digital converter mainly realize the signal after demodulationDigital-to-analogue conversion processing, specifically, the course of work of the first radio-frequency module can be, first antenna, which receives to carry data and acquire, to be referred toThe downlink radio-frequency signal of order amplifies filtering, the first Digital IF Processing through the low-noise amplifier in the first RF receiving and transmission moduleModule is demodulated, and data acquisition instructions are obtained, and is then carried out modulus through the analog-digital converter in the first baseband processing module and is turnedIt gets corresponding digital signal in return, completes the process that signal is received and demodulated, it is then whole from user further according to data acquisition instructionsEnd obtains power information, and the digital analog converter that the power information got first passes around in the first baseband processing module changes into simulationSignal, then be modulated through the first Digital IF Processing module, the finally power amplifier module in the first RF receiving and transmission moduleLaunched after amplifying by first antenna at place.
It is understood that there are many structure that signal processing as above may be implemented, it is only used as one embodiment herein,Scheme is not defined.Meanwhile second radio-frequency module signal processing it is similar, be not described in more detail here.
Optionally, further includes: power module；Power module is separately connected the first radio-frequency module 111 and user terminal 1211,Alternating current for providing user terminal 1211 is converted to direct current, and exports to the first radio-frequency module 111.
Power module can be AC-DC converter, and it is long-range that the alternating current that user terminal is provided, which is converted to direct current,Meter reading acquires ancillary equipment power supply；Can also be can directly provide the power supply of electric power, individually install and use in equipment.
Optionally, the first radio-frequency module 111 connects user terminal 1211 by RS-232/RS-485 converter.Equipped with notRemote data communication is carried out between the computer, external equipment or intelligence instrument of standard serial interface, needs to carry out standard stringThe mutual conversion of line interface can be such that the operation of program is not influenced by transmission mode using converter, simpler.
Referring to fig. 2, Fig. 2 is the structural block diagram that a kind of remote meter reading provided in an embodiment of the present invention receives ancillary equipment.Such asShown in Fig. 2, remote meter reading provided in this embodiment receives ancillary equipment 21, is applied in GPRS wireless long-distance meter-reading system 22,GPRS wireless long-distance meter-reading system 22 includes at least the data centralized unit 2211 and control data corporation that receiving end 221 is arranged in2212；Data centralized unit 2211 is connect with control data corporation 2212 by ethernet communication, for receiving collection terminal 222By GPRS network send power information and control data corporation 2212 is sent to by Ethernet；
Remote meter reading receives ancillary equipment 21, including the second radio-frequency module 211, data processing module 212 and the second antenna213；Wherein, the second radio-frequency module 211 is separately connected the second antenna 213 and data processing module 212；
Data processing module 212 receives data management for connecting with control data corporation 2212 by ethernet communicationData acquisition instructions are sent to the second radio-frequency module 211 by the data acquisition instructions that center 2212 is sent；Data acquisition instructions areWhen control data corporation 2212 does not receive the power information that collection terminal 222 is sent by GPRS network in lasting preset timeIt sends；It is also used to receive the power information of the second radio-frequency module 211 transmission and control data corporation is returned to by Ethernet2212；
Second radio-frequency module 211, for being passed through second day based on 230MHz network when receiving data acquisition instructionsLine 213 sends the upstream radio-frequency signal for carrying data acquisition instructions to collection terminal 222, and, receive taking for the return of collection terminal 222Power information is simultaneously sent to data processing module 212 by the downlink radio-frequency signal with power information.
When data processing centre does not receive the use that data centralized unit is sent by Ethernet in lasting preset timeWhen power information, ancillary equipment is just received to remote meter reading by Ethernet and sends data acquisition instructions.When remote meter reading reception is auxiliaryWhen equipment being helped to receive the data acquisition instructions of data processing centre's transmission, is sent by the second antenna to collection terminal and carry dataThe upstream radio-frequency signal of acquisition instructions, and the downlink radio-frequency signal of the Portable power information of collection terminal return is received, complete electricity consumptionThe assisted acquisition of information improves the success rate of power information acquisition.
Optionally, the second radio-frequency module 211 includes: the second signal processing module 2111 being connected and the second radio-frequency receiving-transmittingModule 2112；
Second RF receiving and transmission module 2112 is connected with the second antenna 213, for passing through the second antenna 213 to collection terminal 222The upstream radio-frequency signal for carrying data acquisition instructions is sent, and the downlink for receiving the Portable power information of the return of collection terminal 222 is penetratedFrequency signal；
Second signal processing module 2111 connects data processing module 212, and processing module 212 is sent for receiving dataData acquisition instructions are handled to obtain the upstream radio-frequency signal of carrying data acquisition instructions and be sent to data acquisition instructionsSecond RF receiving and transmission module 2112；To the downlink radio-frequency signal for the Portable power information that the second RF receiving and transmission module 2112 receivesProcessing obtains power information and is sent to data processing module 212.
Optionally, second signal processing module 2111 includes the second Digital IF Processing module 2113 and second being connectedBaseband processing module 2114；
Second Digital IF Processing module 2113 is connected with the second RF receiving and transmission module 2112, is used for Portable power informationDownlink radio-frequency signal be processed into third intermediate-freuqncy signal and be sent to the second baseband processing module 2114；Data acquisition instructions are handledThe second RF receiving and transmission module 2112 is sent at the 4th intermediate-freuqncy signal；
Second baseband processing module 2114 is connected with data processing module 212, for receiving third intermediate-freuqncy signal and fromPower information is extracted in three intermediate-freuqncy signals is sent to data processing module 212.
It can be seen that the function of the second radio-frequency module and the first radio-frequency module is quite similar, structure is also more similar, hereinIt just repeats no more, Similar content can refer to the description of the first radio-frequency module.
It is a kind of structural block diagram of remote meter reading auxiliary system provided in an embodiment of the present invention referring to Fig. 3, Fig. 3.Such as Fig. 3 instituteShow, remote meter reading auxiliary system 31 provided in this embodiment, acquires and assist including remote meter reading described in any embodiment as aboveRemote meter reading described in equipment 11 and any embodiment as above receives ancillary equipment 21.
Remote meter reading auxiliary system in the present embodiment and the acquisition ancillary equipment of the remote meter reading in above embodiments and farJourney meter reading reception ancillary equipment structure is similar, realizes that process is similar, the beneficial effect reached is similar, and details are not described herein again
Referring to fig. 4, Fig. 4 is a kind of structural block diagram of long-distance meter-reading system provided in an embodiment of the present invention.As shown in figure 4,Long-distance meter-reading system provided in this embodiment, including GPRS wireless long-distance meter-reading system 41 and remote meter reading auxiliary system as above31；GPRS wireless long-distance meter-reading system includes that the user terminal 4111 being connected that collection terminal 411 is arranged in and data acquire eventuallyEnd 4112, is arranged in the data centralized unit 4121 and control data corporation 4122 of receiving end 412；Data collection station 4112,It is communicated to connect with data centralized unit 4121 by GPRS network, for acquiring the power information of user terminal 4111 and passing throughGPRS network is sent to data centralized unit 4121；Data centralized unit 4121 passes through Ethernet with control data corporation 4122It communicates to connect, the power information that acquisition terminal 4112 is sent for receiving data is simultaneously sent to control data corporation by Ethernet4122；
Control data corporation 4122 receives ancillary equipment 21 with remote meter reading by Ethernet and connect, for receiving dataThe power information that centralized unit 4121 is sent；When not receiving power information in lasting preset time, received to remote meter readingAncillary equipment 21 sends data acquisition instructions.
Collection terminal, which is responsible for acquiring, power information and is sent to receiving end by GPRS network, when in the setting time of receiving end notPower information is received, then receives ancillary equipment to remote meter reading and sends data query instruction, auxiliary is received by remote meter reading and is setIt is standby that data are carried out by the radiofrequency signal that 230MHz network transmission carrying data query instructs to remote meter reading acquisition ancillary equipmentInquiry, remote meter reading acquisition ancillary equipment acquires power information after receiving this radiofrequency signal from user terminal, and passes through230MHz network returns to remote meter reading and receives ancillary equipment, and power information data are extracted after demodulation and are returned in data managementThe heart.
It is understood that same or similar part can mutually refer in the various embodiments described above, in some embodimentsUnspecified content may refer to the same or similar content in other embodiments.
It should be noted that in the description of the present invention, term " first ", " second " etc. are used for description purposes only, withoutIt can be interpreted as indication or suggestion relative importance.In addition, in the description of the present invention, unless otherwise indicated, the meaning of " multiple "Refer at least two.
Any process described otherwise above or method description are construed as in flow chart or herein, and expression includesIt is one or more for realizing specific logical function or process the step of executable instruction code module, segment or portionPoint, and the range of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discussed suitableSequence, including according to related function by it is basic simultaneously in the way of or in the opposite order, Lai Zhihang function, this should be of the inventionEmbodiment person of ordinary skill in the field understood.
It should be appreciated that each section of the invention can be realized with hardware, software, firmware or their combination.Above-mentionedIn embodiment, software that multiple steps or method can be executed in memory and by suitable instruction execution system with storageOr firmware is realized.It, and in another embodiment, can be under well known in the art for example, if realized with hardwareAny one of column technology or their combination are realized: having a logic gates for realizing logic function to data-signalDiscrete logic, with suitable combinational logic gate circuit specific integrated circuit, programmable gate array (PGA), sceneProgrammable gate array (FPGA) etc..
Those skilled in the art are understood that realize all or part of step that above-described embodiment method carriesIt suddenly is that relevant hardware can be instructed to complete by program, the program can store in a kind of computer-readable storage mediumIn matter, which when being executed, includes the steps that one or a combination set of embodiment of the method.
It, can also be in addition, each functional unit in each embodiment of the present invention can integrate in a processing moduleIt is that each unit physically exists alone, can also be integrated in two or more units in a module.Above-mentioned integrated mouldBlock both can take the form of hardware realization, can also be realized in the form of software function module.The integrated module is such asFruit is realized and when sold or used as an independent product in the form of software function module, also can store in a computerIn read/write memory medium.
Storage medium mentioned above can be read-only memory, disk or CD etc..
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically showThe description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or examplePoint is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are notCentainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be anyOne or more embodiment or examples in can be combined in any suitable manner.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is exampleProperty, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentionedEmbodiment is changed, modifies, replacement and variant.