CN103926439B - Anti-fraudulent use of electricity type pre-paying kilowatt-hour meter - Google Patents

Anti-fraudulent use of electricity type pre-paying kilowatt-hour meter Download PDF

Info

Publication number
CN103926439B
CN103926439B CN201410177033.3A CN201410177033A CN103926439B CN 103926439 B CN103926439 B CN 103926439B CN 201410177033 A CN201410177033 A CN 201410177033A CN 103926439 B CN103926439 B CN 103926439B
Authority
CN
China
Prior art keywords
electricity
hour meter
sale
state
microprocessor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201410177033.3A
Other languages
Chinese (zh)
Other versions
CN103926439A (en
Inventor
杜宝龙
杜文杰
韩贵成
杜天乐
李常伟
杜文俊
杨飞
石文光
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Inner Mongolia Yungu Electric Power Science and Technology Co., Ltd.
Original Assignee
Inner Mongolia Yungu Electric Power Science And Technology Co Ltd</en>
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Inner Mongolia Yungu Electric Power Science And Technology Co Ltd</en> filed Critical Inner Mongolia Yungu Electric Power Science And Technology Co Ltd</en>
Priority to CN201410177033.3A priority Critical patent/CN103926439B/en
Publication of CN103926439A publication Critical patent/CN103926439A/en
Application granted granted Critical
Publication of CN103926439B publication Critical patent/CN103926439B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Electric Clocks (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

A kind of anti-fraudulent use of electricity type pre-paying kilowatt-hour meter is devised, it includes stream pressure converter, has the state being still switched in the state of power grid sample power line is disconnected；Memory, includes and indicates whether there is the signal condition identifier for disconnecting power grid sample power line；Further comprise：Microprocessor, integrates the memory and communication interface, and controls the working status of the stream pressure converter, and the microprocessor operation is to perform：The request for changing the stream pressure converter state is received, verifies the disconnection power grid sample power wire state stored in the memory of the ammeter, and thereby determines whether to change the working status of the stream pressure converter.

Description

Anti-fraudulent use of electricity type pre-paying kilowatt-hour meter
Technical field
The present embodiments relate to pre-payment electrical measuring device, has anti-stealing electricity function.
Background technology
Will not be interrupted when ammeter is measured by unauthorized to reach (such as with electromagnetic mode interference mutual inductor Electric current senses, and either replaces the mode of connection of L, N line so that register in ammeter produces to have good luck misreads or power line quilt Short circuit is without connecting the means such as the metering circuit plate in ammeter), those skilled in the art are in the structurally and functionally continuous of ammeter It is improved, such as avoids ammeter from being opened using the shelling machine of more complex rigid, or uses ammeter lead sealing shell The internal specific mode of connection avoids the mode of connection from being changed privately by unauthorized personnel.But these effort are expended and manufactured and designed Cost, and the defects of can not change the prior art, such as the problem of preventing user's stealing, still can not effectively solve, particularly pair In advanced electric energy meter (such as rate control class intelligent electric meter), disabled user can with unique mode of connection come stealing, Or make power consumption slack-off, therefore electric system department industry can not learn the service condition and power quality of user power utilization in time, The great wasting of resources is caused for power department.
Another problem is that data can lose at once, and re-power once there is the power down of ammeter or failure When, it is possible that information is reset or the situation of clock disorder, and this possibility frequently occurs in actual use, therefore In order to avoid the appearance of such problem, reliability should be carried out to ammeter, the especially clock of pre-payment type ammeter and data and changed Into.
Present invention aim to address or effectively alleviate this defect, propose a kind of new electric meter capable of avoiding fraudulent use of electricity, once go out The situation that existing ammeter is illegally distorted, ammeter remains able to work normally, and is able to record these illegal events, informs electric power Department is pocessed.
The content of the invention
In the preferred technique scheme of the present invention, there is provided a kind of pre-paying kilowatt-hour meter with anti-stealing electricity function, is provided with Stream pressure converter, it can continue to obtain the sensing electric current of power line N lines, and according to whether stealing situation occurs, such as When replacing the mode of connection or short circuit, produce two kinds of signals and judged to processor, so that the operation process for changing ammeter is come really Sale of electricity data and the stabilization of clock are protected, while ensure normal Electro-metering operation.
Technical solution 1：A kind of anti-fraudulent use of electricity type pre-paying kilowatt-hour meter is provided, including：Several stream pressure converters, have and disconnect The state being still switched in the state of power grid sample power line；Memory, includes and indicates whether that there is disconnection power grid adopts The signal condition identifier of sample power line；It is characterized in that further comprise：
Microprocessor (MCU), integrates the memory and communication interface, and controls the work shape of the stream pressure converter State, wherein the microprocessor operation is to perform：The request of the stream pressure converter state change is received, is verified in the prepayment The disconnection power grid sample power wire state stored in the memory of power-consuming table, and thereby determine whether to change the stream pressure conversion The working status of device；
Data acquiring section, is integrated in the MCU, it is operated to perform following processing：1) first voltage signal V is receivedN1Or Second voltage signal VN2And be read, change the signal condition identifier stored in the memory of the pre-paying kilowatt-hour meter Status request；2) this status request is read by MCU, this signal condition identifier is changed with allowing data acquisition unit； 3) data acquiring section is operated according to this allowance of MCU, and display and clock CLK are initialized.
In one embodiment, anti-fraudulent use of electricity type pre-paying kilowatt-hour meter further comprises a formatting with MCU electrical couplings Unit, it is operated to complete following steps：
The first signal condition code produced from MCU is received, the first sale of electricity is generated according to the signal condition code TOKEN codes, wherein containing first time axis and geographical target module, feed back to the MCU；
MCU reads the first sale of electricity TOKEN codes, is sent to described one first answerback code of data acquiring section；
Data acquiring section changes the signal condition identifier according to this first answerback code, write-in first time axis and Geographical target module changes in memory into the memory wherein the first answerback code contains allowing data acquisition unit The signal frame of signal condition identifier；
The secondary signal conditional code produced from MCU is received, the second sale of electricity TOKEN is generated according to the signal condition code Code, wherein containing the second time shaft, feeds back to the MCU；
MCU reads the second sale of electricity TOKEN codes, is sent to described one second answerback code of data acquiring section；
Data acquiring section changes the signal condition identifier, the second time shaft of write-in is extremely according to this second answerback code In the memory, former first time axis and geographical target module are deleted.
In one embodiment, the time shaft and geographical target module are stored to a FIFO in the memory In array cache.
In one embodiment, the first sale of electricity TOKEN codes are associated with first voltage signal VN1, second sale of electricity TOKEN codes are associated with second voltage signal VN2。
In the embodiment of an anti-fraudulent use of electricity type pre-paying kilowatt-hour meter, further operate the data acquiring section with：
Coupled using the first time axis with initial information state identifier, to determine in the first voltage signal VN1In an instantaneous time section before generation, sale of electricity information corresponding with initial information status identifier obtains in the memory To settle accounts and store, wherein the instantaneous time section is coupled with first time axis；
Determine whether the pre-paying kilowatt-hour meter is in one using with the associated geographical target module of the first time axis In a default geographic area, definitive result is stored；
The formatting unit initialization clock CLK is controlled, the pre-paying kilowatt-hour meter carries out once new sale of electricity behaviour at this time Make, until receiving second voltage signal VN2；
Coupled using second time shaft with the information state identifier after change, to determine to believe in the second voltage Number VN2In an instantaneous time section before generation, sale of electricity information corresponding with this information state identifier obtains in the memory To settle accounts and store, wherein the instantaneous time section is coupled with the second time shaft；
Extraction original place reason target module is determined as a result, being generated by way of external subcarrier line and this geographical target The relevant geographical location information of module, is sent this geographical location information to external equipment by MCU；
By sale of electricity information newly-generated under sale of electricity information corresponding with initial information status identifier and first time axis into Row couples and adds up, and the sale of electricity information after coupling is associated with the second time shaft.
In one embodiment, the instantaneous time section is set as 3 to 5ms.
In one embodiment, first voltage signal V is generated by the stream pressure converter being connected with data acquiring sectionN1Or the Two voltage signal VN2, wherein：In the first voltage signal VN1Under, the pre-paying kilowatt-hour meter is to be in power-down state；Described Second voltage signal VN2Under, the pre-paying kilowatt-hour meter is to be in power-up state.
Technical solution 2：In foregoing pre-paying kilowatt-hour meter, keeping the method for clock CLK continuous firings includes step：
First voltage signal V is received in the data acquiring sectionN1When, start the preparation electricity in the pre-paying kilowatt-hour meter Source, supplies clock CLK, MCU and data acquiring section；The first signal shape produced from MCU is received by formatting unit State code feeds back to MCU to generate first time axis；First time axis is stored to memory by the data acquiring section In FIFO buffers；Second voltage signal V is received in the data acquiring sectionN2When, turn off pre- in the pre-paying kilowatt-hour meter Stand-by power source；The first signal condition code produced from MCU is received by formatting unit to generate first time axis, is fed back To MCU；The second time shaft is write into the FIFO buffers by the data acquiring section, deletes former first time axis.
In a preferred embodiment, coupled using the first time axis with initial information state identifier, with true It is scheduled on the first voltage signal VN1In an instantaneous time section before generation, by the instantaneous time section and first time axis Couple or be entirely covered；
The formatting unit initialization clock CLK is controlled, the pre-paying kilowatt-hour meter carries out once new sale of electricity behaviour at this time Make, until the data acquiring section receives second voltage signal VN2；
Coupled using second time shaft with the information state identifier after change, to determine to believe in the second voltage Number VN2In an instantaneous time section before generation, the instantaneous time section is coupled or is entirely covered with the second time shaft；
By sale of electricity information newly-generated under sale of electricity information corresponding with initial information status identifier and first time axis into Row couples and adds up, and the sale of electricity information after coupling is associated with the second time shaft.
In a preferred embodiment, can by external equipment provide absolute clock compared with the second time shaft, So that the second time shaft is consistent with exterior absolute clock.And pass through actual product test result understand, the second time shaft with The error of absolute clock is less than 1ms.
In a preferred embodiment, first voltage signal V is generated by the stream pressure converter being connected with data acquiring sectionN1 Or second voltage signal VN2, wherein：In the first voltage signal VN1Under, the pre-paying kilowatt-hour meter is to be in power-down state； The second voltage signal VN2Under, the pre-paying kilowatt-hour meter is to be in power-up state.
The one side of the beneficial effect of the embodiment of the present invention is that in normal state, ammeter embodiment can be from for example The mode of electric network power line carrier wave (PLC), or external wireless device obtain absolute clock signal.Therefore its work clock Meet external clock, and at the time of ammeter power down, acted by the pretreatment of foregoing MCU, clock CLK can be made to continue work Make, and the error of clock is in the controlled range of MCU profit formatting units.
Technical solution 3：A kind of memory for the pre-paying kilowatt-hour meter advocated for technical solution 1 is provided, connects the number According to the FIFO array caches and EEPROM cell of acquisition unit, including mutual electrical couplings, wherein：
Stored in the EEPROM cell：Customer rate information, for representing the power purchase value and account information of user；
Information state identifier, for representing the first state and the second state of pre-paying kilowatt-hour meter, it can be by a number Dynamically changed according to acquisition unit；With
Sale of electricity information, in one embodiment, for representing the aggregate-value of user's power consumption and second in the first state The aggregate-value of user's power consumption under state, wherein first state are represented as " power down " state, the second state be represented as " on Electricity " state；
Stored in the FIFO array caches：
First time axis, is generated by formatting unit according to a first signal condition code, for described information shape The coupling of state identifier is determined in a voltage signal V with recording the sequential of pre-paying kilowatt-hour meter in this caseN1Before generation An instantaneous time section in, sale of electricity information corresponding with initial information status identifier is able to settle accounts and deposits in the memory Storage, wherein the instantaneous time section is coupled or is entirely covered with first time axis；
Second time shaft, is generated by formatting unit according to a secondary signal conditional code, for the letter after change Status identifier coupling is ceased, with to record the sequential of pre-paying kilowatt-hour meter in this case, and is determined in the second voltage signal VN2In an instantaneous time section before generation, sale of electricity information corresponding with this information state identifier is able in the memory Clearing and storage, wherein the instantaneous time section is coupled or is entirely covered with the second time shaft.
In a preferred embodiment, geographical target module is further stored in the FIFO array caches, for true Whether the fixed pre-paying kilowatt-hour meter is in a default geographic area.
, will be under sale of electricity information corresponding with initial information status identifier and first time axis in a preferred embodiment Newly-generated sale of electricity information is coupled and is added up, and the sale of electricity information after coupling is associated with the second time shaft.
In one embodiment, the instantaneous time section is set as 3 to 5ms, preferably 3ms.
In one embodiment, first voltage signal V is generated by the stream pressure converter being connected with data acquiring sectionN1Or the Two voltage signal VN2, wherein：In the first voltage signal VN1Under, the pre-paying kilowatt-hour meter is to be in power-down state；Described Second voltage signal VN2Under, the pre-paying kilowatt-hour meter is to be in power-up state.
Brief description of the drawings
Fig. 1 schematically shows the structure principle chart of pre-paying kilowatt-hour meter of the present invention.
Embodiment
In a preferable example shown in Fig. 1, pre-paying kilowatt-hour meter 1 includes a stream pressure converter 10, it has The state being still switched in the state of electric network power line L or N line is disconnected；Memory 40, including expression inside it is It is no to there is the signal condition identifier for disconnecting electric network power line；And communication interface 80, it is suitable for receiving this disconnection grid power The request of wire state, and further comprise：MCU20, integrates the memory 40 and communication interface 80, and controls the stream pressure to turn The working status of parallel operation 10, the MCU are operated to perform：The request of stream 10 state change of pressure converter is received, is verified The disconnection electric network power line state stored in the memory 40 of the ammeter 1, and thereby determine whether that changing the stream pressure turns The working status of parallel operation 10.
In a preferred embodiment, further LCD display 50, clock LCK units 70, wherein aobvious are connected to for MCU Show device 50 be used for electric network power line normal ON or be cut off, distort in the case of show different conditions under electricity, this A little states are associated with foregoing signal condition identifier.And clock CLK units 70 are then used in the situation for being cut off or distorting Under, the internal clocking of ammeter is calibrated.
As shown in Figure 1, ammeter 1 further comprises that the number pick acquisition unit 30 for being integrated in the MCU20 (preferably uses a list Piece machine), it is operated to perform following processing：1) receive come the first voltage signal V for the pressure converter 10 that flows automaticallyN1Or second voltage letter Number VN2And be read, the state for changing the signal condition identifier stored in the memory 40 of the pre-paying kilowatt-hour meter please Ask；2) this status request is read by MCU20, this signal condition identifier is changed with allowing data acquisition unit 30；3) institute State data acquiring section 30 to be operated according to this allowance of MCU20, LCD display 50 and clock CLK70 are initialized.
In one embodiment, anti-fraudulent use of electricity type pre-paying kilowatt-hour meter 1 further comprises a formatting with MCU electrical couplings Unit 60, it is operated to complete following steps：
Receiving a first signal condition code being produced from MCU20, (it is to respond the according to number pick acquisition units 30 by MCU One voltage signal VN1The status request that is generated and produce, be traditionally arranged to be a level response signal), according to the letter Number conditional code generates the first sale of electricity TOKEN codes, wherein contain first time axis and geographical target module, feed back to described in MCU；MCU reads the first sale of electricity TOKEN codes, is sent to described one first answerback code of data acquiring section；
Data acquiring section changes the signal condition identifier according to this first answerback code, write-in first time axis and Geographical target module changes in memory into the memory wherein the first answerback code is preferably allowing data acquisition unit The signal frame of signal condition identifier；
Similarly, the secondary signal conditional code produced from MCU is received, is sold according to the signal condition code generation the 3rd Electric TOKEN codes, wherein containing the second time shaft, feed back to the MCU；
MCU reads the second sale of electricity TOKEN codes, is sent to described 30 1 second answerback codes of data acquiring section；
Data acquiring section changes the signal condition identifier, the second time shaft of write-in is extremely according to this second answerback code In the memory, former first time axis and geographical target module are deleted.
In one embodiment, the time shaft and geographical target module are stored to a FIFO in the memory In array cache.
In one embodiment, the first sale of electricity TOKEN codes are associated with first voltage signal VN1, second sale of electricity TOKEN codes are associated with second voltage signal VN2。
In the embodiment of an anti-fraudulent use of electricity type pre-paying kilowatt-hour meter, further operate the data acquiring section with：
Coupled using the first time axis with initial information state identifier, to determine in the first voltage signal VN1In an instantaneous time section before generation, sale of electricity information corresponding with initial information status identifier obtains in the memory To settle accounts and store, wherein the instantaneous time section is coupled with first time axis；
Determine whether the pre-paying kilowatt-hour meter is in one using with the associated geographical target module of the first time axis In a default geographic area, definitive result is stored；
The formatting unit initialization clock CLK is controlled, the pre-paying kilowatt-hour meter carries out once new sale of electricity behaviour at this time Make, until receiving second voltage signal VN2；
Coupled using second time shaft with the information state identifier after change, to determine to believe in the second voltage Number VN2In an instantaneous time section before generation, sale of electricity information corresponding with this information state identifier obtains in the memory To settle accounts and store, wherein the instantaneous time section is coupled with the second time shaft；
Extraction original place reason target module is determined as a result, being generated by way of external subcarrier line and this geographical target The relevant geographical location information of module, is sent this geographical location information to external equipment by MCU；
By sale of electricity information newly-generated under sale of electricity information corresponding with initial information status identifier and first time axis into Row couples and adds up, and the sale of electricity information after coupling is associated with the second time shaft.
In one embodiment, the instantaneous time section is set as 3 to 5ms.
In one embodiment, first voltage signal V is generated by the stream pressure converter being connected with data acquiring sectionN1Or the Two voltage signal VN2, wherein：In the first voltage signal VN1Under, the pre-paying kilowatt-hour meter is to be in power-down state；Described Second voltage signal VN2Under, the pre-paying kilowatt-hour meter is to be in power-up state.
In foregoing pre-paying kilowatt-hour meter, keeping the method for clock CLK continuous firings includes step：
First voltage signal V is received in the data acquiring sectionN1When, start the preparation electricity in the pre-paying kilowatt-hour meter Source, supplies clock CLK, MCU and data acquiring section；The first signal shape produced from MCU is received by formatting unit State code feeds back to MCU to generate first time axis；First time axis is stored to memory by the data acquiring section In FIFO buffers；Second voltage signal V is received in the data acquiring sectionN2When, turn off pre- in the pre-paying kilowatt-hour meter Stand-by power source；The first signal condition code produced from MCU is received by formatting unit to generate first time axis, is fed back To MCU；The second time shaft is write into the FIFO buffers by the data acquiring section, deletes former first time axis.
In one embodiment, the pre- stand-by power source in pre-paying kilowatt-hour meter includes：
Voltage drop splenium, accesses ammeter external power line voltage, and is converted to low-voltage Vcc by linear transformation mode；
Regulator circuit, connects the voltage drop splenium and voltage vcc is converted to the operating voltage of MCU and clock CLK simultaneously Export to the data processing circuit；
Holding circuit, connects the data processing circuit and has power supply unit；And
Power-fail detection circuit, is connected between the voltage drop splenium and MCU, for whether detecting external power line voltage Generation power down.
In foregoing preferred embodiment, power supply unit is battery pack or super capacitor.Felt first by voltage drop splenium A part of voltage should be gone out and give meter circuit plate, then plurality of voltages is isolated by regulator circuit, some in these voltages can To be directly other assemblies power supply inside ammeter, after detection of power loss link is added, can judge to be according to actual conditions It is no to be powered using holding circuit, and under non-power-failure situation, it can charge to holding circuit feed-in electric power, this electricity Road can recycle, and without battery is needed to change, reduce power consumption and dimensional expansion cost.
In another embodiment, pre- stand-by power source is preferably comprised power-fail detection circuit, is connected to the voltage drop splenium Between such as ACOFF pins of MCU, for detecting whether external power line voltage occurs power down.Because fall suddenly in power supply When electric, the data of computing may not be deposited into embedded ROM in time still in register or FLASH in data processing circuit In memory, then at this time by (such as) capacitance buffered, there is provided a power-off signal switches its MVDD pipes at this time to MCU Foot is powered by battery pack to holding circuit, after data preserve completely completely, then is powered off.
In a preferred embodiment, coupled using the first time axis with initial information state identifier, with true It is scheduled on the first voltage signal VN1In an instantaneous time section before generation, by the instantaneous time section and first time axis Couple or be entirely covered；
The formatting unit initialization clock CLK is controlled, the pre-paying kilowatt-hour meter carries out once new sale of electricity behaviour at this time Make, until the data acquiring section receives second voltage signal VN2；
Coupled using second time shaft with the information state identifier after change, to determine to believe in the second voltage Number VN2In an instantaneous time section before generation, the instantaneous time section is coupled or is entirely covered with the second time shaft；
By sale of electricity information newly-generated under sale of electricity information corresponding with initial information status identifier and first time axis into Row couples and adds up, and the sale of electricity information after coupling is associated with the second time shaft.
In a preferred embodiment, can by external equipment provide absolute clock compared with the second time shaft, So that the second time shaft is consistent with exterior absolute clock.And pass through actual product test result understand, the second time shaft with The error of absolute clock is less than 1ms.
In a preferred embodiment, first voltage signal V is generated by the stream pressure converter being connected with data acquiring sectionN1 Or second voltage signal VN2, wherein：In the first voltage signal VN1Under, the pre-paying kilowatt-hour meter is to be in power-down state； The second voltage signal VN2Under, the pre-paying kilowatt-hour meter is to be in power-up state.
The one side of the beneficial effect of the embodiment of the present invention is that in normal state, ammeter embodiment can be from for example The mode of electric network power line carrier wave (PLC), or external wireless device obtain absolute clock signal.Therefore its work clock Meet external clock, and at the time of ammeter power down, acted by the pretreatment of foregoing MCU, clock CLK can be made to continue work Make, and the error of clock is in the controlled range of MCU and formatting unit.
Technical solution 3：A kind of memory for the pre-paying kilowatt-hour meter advocated for technical solution 1 is provided, connects the number According to the FIFO array caches and EEPROM cell of acquisition unit, including mutual electrical couplings, wherein：
Stored in the EEPROM cell：Customer rate information, for representing the power purchase value and account information of user；
Information state identifier, for representing the first state and the second state of pre-paying kilowatt-hour meter, it can be by a number Dynamically changed according to acquisition unit；With
Sale of electricity information, in one embodiment, for representing the aggregate-value profit second of user's power consumption in the first state The aggregate-value of user's power consumption under state, wherein first state are represented as " power down " state, the second state be represented as " on Electricity " state；
Stored in the FIFO array caches：
First time axis, is generated by formatting unit according to a first signal condition code, for described information shape The coupling of state identifier is determined in a first voltage signal V with recording the sequential of pre-paying kilowatt-hour meter in this caseN1Produce it In a preceding instantaneous time section, in the memory sale of electricity information corresponding with initial information status identifier be able to clearing and Storage, wherein the instantaneous time section is coupled or is entirely covered with first time axis；
Second time shaft, is generated by formatting unit according to a secondary signal conditional code, for the letter after change Status identifier coupling is ceased, with to record the sequential of pre-paying kilowatt-hour meter in this case, and is determined in the second voltage signal VN2In an instantaneous time section before generation, sale of electricity information corresponding with this information state identifier is able in the memory Clearing and storage, wherein the instantaneous time section is coupled or is entirely covered with the second time shaft.
In a preferred embodiment, geographical target module is further stored in the FIFO array caches, for true Whether the fixed pre-paying kilowatt-hour meter is in a default geographic area.
, will be under sale of electricity information corresponding with initial information status identifier and first time axis in a preferred embodiment Newly-generated sale of electricity information is coupled and is added up, and the sale of electricity information after coupling is associated with the second time shaft.
In one embodiment, the instantaneous time section is set as 3 to 5ms, preferably 3ms.
In one embodiment, first voltage signal V is generated by the stream pressure converter being connected with data acquiring sectionN1Or the Two voltage signal VN2, wherein：In the first voltage signal VN1Under, the pre-paying kilowatt-hour meter is to be in power-down state；Described Second voltage signal VN2Under, the pre-paying kilowatt-hour meter is to be in power-up state.

Claims (6)

  1. A kind of 1. anti-fraudulent use of electricity type pre-paying kilowatt-hour meter, it is characterised in that including：
    Several stream pressure converters, have the state being still switched in the state of power grid sample power line is disconnected；
    Memory, includes and indicates whether there is the signal condition identifier for disconnecting power grid sample power line；
    Further comprise：
    Microprocessor, integrates the memory and communication interface, and controls the working status of the stream pressure converter, wherein described Microprocessor operation is to perform：The request of the stream pressure converter state change is received, verifies depositing in the pre-paying kilowatt-hour meter The disconnection power grid sample power wire state stored in reservoir, and thereby determine whether to change the work shape of the stream pressure converter State；
    Data acquiring section, is integrated in the microprocessor, it is operated to perform following processing：
    1) first voltage signal V is receivedN1Or second voltage signal VN2And be read, change depositing for the pre-paying kilowatt-hour meter The status request of the signal condition identifier stored in reservoir；
    2) by this status request of the microcomputer reads, this signal condition mark is changed with allowing data acquisition unit Symbol；
    3) data acquiring section is operated according to this allowance of the microprocessor, display and clock CLK is carried out initial Change；
    Pre- stand-by power source, the pre- stand-by power source include：
    Voltage drop splenium, accesses ammeter external power line voltage, and is converted to low-voltage Vcc by linear transformation mode；
    Regulator circuit, connects the voltage drop splenium and voltage vcc is converted to the work electricity of microprocessor and the clock CLK Press and export to the microprocessor；
    Holding circuit, connects the microprocessor and has power supply unit；And
    Power-fail detection circuit, is connected between the voltage drop splenium and microprocessor, is for detecting external power line voltage No generation power down；
    First voltage signal V is wherein generated by the stream pressure converter being connected with data acquiring sectionN1Or second voltage signal VN2, its In：
    In the first voltage signal VN1Under, the pre-paying kilowatt-hour meter is to be in power-down state；In the second voltage signal VN2 Under, the pre-paying kilowatt-hour meter is to be in power-up state.
  2. 2. anti-fraudulent use of electricity type pre-paying kilowatt-hour meter according to claim 1, it is characterised in that further comprise one with it is described micro- The formatting unit of processor electrical couplings, it is operated to complete following steps：
    The first signal condition code produced from the microprocessor is received, according to the signal condition code generation first Sale of electricity TOKEN codes, wherein containing first time axis and geographical target module, feed back to the microprocessor；
    First sale of electricity TOKEN codes described in the microcomputer reads, are sent to described one first answerback code of data acquiring section；
    Data acquiring section changes the signal condition identifier, writes first time axis and geography according to this first answerback code Target module is into the memory, wherein the first answerback code, which contains allowing data acquisition unit, changes signal in memory The signal frame of status identifier；
    The secondary signal conditional code produced from the microprocessor is received, the second sale of electricity is generated according to the signal condition code TOKEN codes, wherein containing the second time shaft, feed back to the microprocessor；
    Second sale of electricity TOKEN codes described in the microcomputer reads, are sent to described one second answerback code of data acquiring section；
    Data acquiring section changes the signal condition identifier according to this second answerback code, and the second time shaft of write-in is to described In memory, former first time axis and geographical target module are deleted.
  3. 3. anti-fraudulent use of electricity type pre-paying kilowatt-hour meter according to claim 2, it is characterised in that by the time shaft and geographical target Module is stored into a FIFO array cache in the memory.
  4. 4. anti-fraudulent use of electricity type pre-paying kilowatt-hour meter according to claim 2, it is characterised in that the first sale of electricity TOKEN codes are It is associated with first voltage signal VN1, the second sale of electricity TOKEN codes are associated with second voltage signal VN2。
  5. 5. anti-fraudulent use of electricity type pre-paying kilowatt-hour meter according to claim 2, it is characterised in that further operate the data acquisition Portion with：
    Coupled using the first time axis with initial information state identifier, to determine in the first voltage signal VN1Production In an instantaneous time section before life, sale of electricity information corresponding with initial information status identifier is tied in the memory Calculate and store, wherein the instantaneous time section is coupled with first time axis；
    Determine whether the pre-paying kilowatt-hour meter is pre- in one using with the associated geographical target module of the first time axis If geographic area in, definitive result is stored；
    The formatting unit initialization clock CLK is controlled, the pre-paying kilowatt-hour meter carries out once new sale of electricity operation at this time, directly To receiving second voltage signal VN2；
    Coupled using second time shaft with the information state identifier after change, to determine in the second voltage signal VN2 In an instantaneous time section before generation, sale of electricity information corresponding with this information state identifier is tied in the memory Calculate and store, wherein the instantaneous time section is coupled with the second time shaft；
    Extraction original place reason target module is determined as a result, being generated by way of external subcarrier line and this geographical target module Relevant geographical location information, is sent this geographical location information to external equipment by microprocessor；
    Sale of electricity information newly-generated under sale of electricity information corresponding with initial information status identifier and first time axis is subjected to coupling Close and cumulative, the sale of electricity information after coupling is associated with the second time shaft.
  6. 6. anti-fraudulent use of electricity type pre-paying kilowatt-hour meter according to claim 5, it is characterised in that：The instantaneous time section is set as 3ms。
CN201410177033.3A 2014-04-25 2014-04-25 Anti-fraudulent use of electricity type pre-paying kilowatt-hour meter Active CN103926439B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410177033.3A CN103926439B (en) 2014-04-25 2014-04-25 Anti-fraudulent use of electricity type pre-paying kilowatt-hour meter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410177033.3A CN103926439B (en) 2014-04-25 2014-04-25 Anti-fraudulent use of electricity type pre-paying kilowatt-hour meter

Publications (2)

Publication Number Publication Date
CN103926439A CN103926439A (en) 2014-07-16
CN103926439B true CN103926439B (en) 2018-04-20

Family

ID=51144731

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410177033.3A Active CN103926439B (en) 2014-04-25 2014-04-25 Anti-fraudulent use of electricity type pre-paying kilowatt-hour meter

Country Status (1)

Country Link
CN (1) CN103926439B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1302378A (en) * 1998-05-12 2001-07-04 卓胜镐 Method for transmitting and storing value and valve store electric power meter using the same
EP1148450A2 (en) * 2000-04-03 2001-10-24 Siemens Metering Limited Improvements in or relating to metering
CN102446380A (en) * 2011-09-21 2012-05-09 华立仪表集团股份有限公司 Automatic cancellation method for meter of prepaid electricity-sell system
CN102831714A (en) * 2012-07-31 2012-12-19 华立仪表集团股份有限公司 Multi-protocol type power collection system, data exchange method of multi-protocol type power collection system and off-line power selling system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1302378A (en) * 1998-05-12 2001-07-04 卓胜镐 Method for transmitting and storing value and valve store electric power meter using the same
EP1148450A2 (en) * 2000-04-03 2001-10-24 Siemens Metering Limited Improvements in or relating to metering
CN102446380A (en) * 2011-09-21 2012-05-09 华立仪表集团股份有限公司 Automatic cancellation method for meter of prepaid electricity-sell system
CN102831714A (en) * 2012-07-31 2012-12-19 华立仪表集团股份有限公司 Multi-protocol type power collection system, data exchange method of multi-protocol type power collection system and off-line power selling system

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
密文预付费售电模型的设计;马虹博等;《计算机时代》;20061231(第2期);第54-56页 *
应用IEC62055的单相预付费电能表设计;凌菁;《自动化与仪表》;20131231(第10期);第17-20、30页 *

Also Published As

Publication number Publication date
CN103926439A (en) 2014-07-16

Similar Documents

Publication Publication Date Title
CN106569164B (en) A kind of synchronous detecting method and system of twin-core electric energy meter electricity
CN102967846A (en) Fault self-checking method for intelligent ammeter
CN203630186U (en) Electricity-stealing prevention monitoring system based on distribution line fault indicators
CN206258975U (en) A kind of utilization bluetooth communication realizes the card reader/writer that IC-card is supplemented with money
CN105738855B (en) A kind of test method towards intelligent electric meter Embedded Application
CN102324144A (en) Intelligent waterproof water meter with radio frequency (RF) card
CN107357543A (en) A kind of electronic equipment and its control method of compatible polytype display module
CN102346938A (en) Automatic electricity charging/selling system
CN106652206B (en) A kind of electricity consumption interactive terminal
CN208077394U (en) A kind of the communication test plate and communication test system of concentrator communication module
CN103926439B (en) Anti-fraudulent use of electricity type pre-paying kilowatt-hour meter
US20140337656A1 (en) Energy management system
CN102074082B (en) Network tax controller and method for detecting plug and pull of same
CN201251801Y (en) Intelligent withdrawal case with electronic identity card and time recorder
CN211452439U (en) Low-power-consumption environment temperature and humidity monitoring sensor based on 2.4G wireless ad hoc network
CN205228561U (en) Intelligence prepayment radio -frequency card water gauge
CN201707708U (en) Electricity utilization intelligent management system and terminal
CN207689875U (en) A kind of monitoring system of monitoring leased equipment operating condition
CN207895063U (en) A kind of full-automatic electricity meter performance test and managing device
CN202003505U (en) Transmission medium for fee-controlled intelligent electric meter
CN201820233U (en) Card reader for contactless card
CN205177006U (en) MBUS mode intelligence water gauge hander
CN201820234U (en) Radio-frequency card reading-writing circuit controlled by and comprising MCU (microprogrammed control unit) supporting nanoWatt technology
CN204990350U (en) Movable type goods management intelligent terminal
CN202177947U (en) GPM (general-purpose microprocessor) module IC (integrated circuit) card intelligent gas meter with combustible gas alarm

Legal Events

Date Code Title Description
DD01 Delivery of document by public notice

Addressee: Xu Hehuan

Document name: Notification of Passing Preliminary Examination of the Application for Invention

C06 Publication
PB01 Publication
DD01 Delivery of document by public notice

Addressee: Xu Hehuan

Document name: Notification of Publication of the Application for Invention

C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
DD01 Delivery of document by public notice

Addressee: Xu Hehuan

Document name: Notification of Patent Invention Entering into Substantive Examination Stage

CB03 Change of inventor or designer information
CB03 Change of inventor or designer information

Inventor after: Du Baolong

Inventor after: Du Wenjie

Inventor after: Han Guicheng

Inventor after: Du Tianle

Inventor after: Li Changwei

Inventor after: Du Wenjun

Inventor after: Yang Fei

Inventor after: Shi Wenguang

Inventor before: Xu Hehuan

TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20180206

Address after: 014000 Inner Mongolia Donghe District of Baotou city Tiexi haud Trade Square southwest 3 Building No. 19

Applicant after: Inner Mongolia Yungu Electric Power Science and Technology Co., Ltd.

Address before: No. 789 A, No. 789, Shenhua Road, Xihu District, Zhejiang Province, No. 1012

Applicant before: Xu Hehuan

GR01 Patent grant
GR01 Patent grant