CN109344934A - Pre-payment radio-frequency card and electric energy meter data exchange process detection device and detection method - Google Patents
Pre-payment radio-frequency card and electric energy meter data exchange process detection device and detection method Download PDFInfo
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- CN109344934A CN109344934A CN201811519521.2A CN201811519521A CN109344934A CN 109344934 A CN109344934 A CN 109344934A CN 201811519521 A CN201811519521 A CN 201811519521A CN 109344934 A CN109344934 A CN 109344934A
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- 238000000034 method Methods 0.000 title claims abstract description 39
- 230000008569 process Effects 0.000 title claims abstract description 32
- 238000001514 detection method Methods 0.000 title claims abstract description 30
- 238000004891 communication Methods 0.000 claims abstract description 83
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims abstract description 20
- 238000002955 isolation Methods 0.000 claims description 36
- 238000012360 testing method Methods 0.000 claims description 14
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 230000005611 electricity Effects 0.000 claims description 9
- 238000007689 inspection Methods 0.000 claims 1
- 230000005856 abnormality Effects 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000003993 interaction Effects 0.000 description 5
- 238000013461 design Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
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- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F15/00—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity
- G07F15/06—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity with means for prepaying basic charges, e.g. rent for meters
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
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Abstract
The invention discloses a kind of pre-payment radio-frequency cards and electric energy meter data exchange process detection device, including controller module, data communication module, host computer, rf read-write device and reset signal generation module；Controller module is connected and communicated by data communication module and host computer；Host computer connect with rf read-write device and carries out data communication by communication bus, while host computer connects electric energy meter by communication bus and carries out data communication；Controller module generates reset signal by reset signal generation module and resets to electric energy meter.The invention also discloses the detection methods of the pre-payment radio-frequency card and electric energy meter data exchange process detection device.The abnormality that the present invention electric energy meter and radio-frequency card can occur in data exchange process is simulated and is detected, and the present invention is simple and reliable, and applicability is good, low in cost.
Description
Technical field
Present invention relates particularly to a kind of pre-payment radio-frequency cards and electric energy meter data exchange process detection device and detection method.
Background technique
With the development and the improvement of people's living standards of economic technology, electric energy has become in people's production and life
Indispensable secondary energy sources metering unit, endless convenience is brought to people's production and life.
Electric energy meter is the important metering unit in electric system, carries metering electric energy and realizes the important of expense control function
Effect.Intelligent electric energy meter with radio-frequency card as it is a kind of it is advanced take control terminal, using advanced non-contact card carrier as
The carrier of the electricity charge is the effective means of snap information interaction.
Handled data need to be stored in the EEPROM and FLASH of electric energy meter in the operation of radio frequency card intelligent electric energy meter,
It is also required to information back into radio-frequency card simultaneously, the data needs of radio-frequency card are consistent with the power purchase information in electric energy meter.
If the data between electric energy meter and radio-frequency card are inconsistent, it will lead to the serious problems such as customers' conflict, error in data.Therefore,
Data synchronism between radio-frequency card and electric energy meter is important requirement between the two.
It is counted from radio-frequency card application process, radio-frequency card is easy to be done by extraneous high frequency during high-speed read-write
It disturbs and causes to reset, and electric energy meter is with radio-frequency card when being written and read with data interaction, if electric energy meter breaks down or resets
Etc. abnormal conditions, it is also possible to cause the data between electric energy meter and radio-frequency card asynchronous.Therefore, exist to electric energy meter and radio-frequency card
The abnormality occurred during read-write is detected, and is electricity to detect the data synchronism between electric energy meter and radio-frequency card
It can table and the preceding required important step completed of radio-frequency card factory.
But the abnormality occurred during read-write for electric energy meter and radio-frequency card at present, it there is no maturation
Detection device, also without relevant detection process and testing requirements, thus at present and electric energy meter and radio-frequency card can not read
The abnormality occurred during writing is detected, so that the electric energy meter and radio-frequency card to factory have buried corresponding hidden danger.
Summary of the invention
One of the objects of the present invention is to provide one kind to occur in data exchange process to electric energy meter and radio-frequency card
Abnormality simulated and detected, and simple and reliable pre-payment radio-frequency card and electric energy meter data exchange process detection fill
It sets.
The second object of the present invention is to provide a kind of pre-payment radio-frequency card and electric energy meter data exchange process detects
The detection method of device.
This pre-payment radio-frequency card provided by the invention and electric energy meter data exchange process detection device, including controller mould
Block, data communication module, host computer, rf read-write device and reset signal generation module；Data communication module and reset signal
Generation module is connect with controller module, and host computer simultaneous connection is according to communication module and electric energy meter, rf read-write device connection
Host computer, reset signal generation module connect electric energy meter；Controller module is connect and is led to host computer by data communication module
Letter；Host computer connect with rf read-write device by communication bus and carries out data communication, while host computer passes through communication bus
Connection electric energy meter simultaneously carries out data communication；Controller module is by reset signal generation module generation reset signal and to electric energy meter
It is resetted.
The data communication module includes isolation circuit and level shifting circuit；Isolation circuit and level shifting circuit string
It connects；After the signal of communication of controller module output carries out electrical isolation by isolation circuit, then pass through level shifting circuit conversion
For communication level signal, it is connected to host computer and is communicated with host computer.
The isolation circuit is the isolation circuit being made of the isolating chip of model ADUM5241.
The level shifting circuit is the circuit being made of the power level conversion chip of model MAX232.
If the reset signal generation module includes the identical reset signal generating circuit in main line；Reset signal generates electricity
Road includes resetting input pull-up resistor, reset isolation optocoupler and resetting output pull-up resistor；Controller module exports multiple all the way
Position signal connection resets input one end of isolation optocoupler, resets the input other end of isolation optocoupler by resetting input pull-up resistor
Connect positive pole；Reset isolation optocoupler output end one end by reset output pull-up resistor connect positive pole, reset every
The output other end from optocoupler directly exports final reset signal and is connected to electric energy meter.
The host computer connect with rf read-write device by communication bus and carries out data communication, specially host computer
It is connect by CAN bus, RS485 bus or wireless communication bus with rf read-write device and carries out data communication.
The host computer connects electric energy meter by communication bus and carries out data communication, and specially host computer passes through CAN
Bus, RS485 bus or wireless communication bus connect with electric energy meter and carry out data communication.
The present invention also provides the detections of a kind of the pre-payment radio-frequency card and electric energy meter data exchange process detection device
Method includes the following steps:
S1. host computer connect simultaneously input test data with rf read-write device by communication bus；Radio-frequency card is located at electric energy
The side of table, host computer are connect by serial ports with rf read-write device；Radio-frequency card on the left of electric energy meter card reading position 5CM range it
It is interior, while electric energy meter read-write radio-frequency card transition can orderly read and write radio-frequency card by switch control, host computer and electric energy meter；
S2. host computer is communicated by data communication module with controller module, and control controller module passes through reset signal
Generation module produces electricl energy table reset signal；
S3. radio-frequency card is swiped the card on electric energy meter, while controller module is generated by reset signal generation module
Electric energy meter reset signal simultaneously controls electric energy meter and is resetted；
S4. after the completion of radio-frequency card is swiped the card, host computer is obtained by communication bus and records electric energy meter data internal at this time；
S5. rf read-write device swipes the card to radio-frequency card and obtains data of the radio-frequency card after electric energy meter is swiped the card, and will
The data upload host computer by communication bus, and host computer parses the data of upload, records and judges the reasonable of data
Property；
S6. host computer changes test data, and repeats step S1~S5 until reaching the number being previously set；
S7. after data and radio-frequency card inside host computer is recorded according to above-mentioned steps test data, electric energy meter are swiped the card
Data, pre-payment radio-frequency card and electric energy meter data exchange process are detected, deterministic process data whether meet design stream
Journey and logic.
This pre-payment radio-frequency card provided by the invention and electric energy meter data exchange process detection device and detection method are led to
The process that electric energy meter is restarted when reliable circuit design comes analog radio frequency card and electric energy meter progress data interaction is crossed, while record is penetrated
Frequency card carries out the data before and after data interaction with electric energy meter and compares, therefore the present invention can exist to electric energy meter and radio-frequency card
The abnormality occurred in data exchange process is simulated and is detected, and the present invention is simple and reliable, and applicability is good, at low cost
It is honest and clean.
Detailed description of the invention
Fig. 1 is the functional block diagram of the device of the invention.
Fig. 2 is the circuit original of the data communication module of the device of the invention, reset signal generation module and controller module
Manage schematic diagram.
Fig. 3 is the method flow diagram of method of the invention.
Specific embodiment
It is as shown in Figure 1 the functional block diagram of the device of the invention: this pre-payment radio-frequency card provided by the invention and electricity
Can table data exchange process detection device, including controller module, data communication module, host computer, rf read-write device and multiple
Position signal generator module；Data communication module and reset signal generation module are connect with controller module, and host computer connects simultaneously
Data communication module and electric energy meter, rf read-write device connect host computer, and reset signal generation module connects electric energy meter；Controller
Module is connected and communicated by data communication module and host computer；Host computer is connect simultaneously by communication bus with rf read-write device
Data communication is carried out, while host computer connects electric energy meter by communication bus and carries out data communication；Controller module passes through multiple
Position signal generator module generates reset signal and resets to electric energy meter.
Wherein, data communication module includes isolation circuit and level shifting circuit；Isolation circuit and level shifting circuit string
It connects；After the signal of communication of controller module output carries out electrical isolation by isolation circuit, then pass through level shifting circuit conversion
For communication level signal, it is connected to host computer and is communicated with host computer.Host computer passes through communication bus and RF Signal
Device connects and carries out data communication, and specially host computer passes through CAN bus, RS485 bus or wireless communication bus and radio-frequency card
Reader connects and carries out data communication.Host computer is connected by communication bus and electric energy meter and carries out data communication, specially on
Position machine connect with electric energy meter by CAN bus, RS485 bus or wireless communication bus and carries out data communication.
The course of work of the device of the invention approximately as:
First time test data is written to radio-frequency card by rf read-write device in host computer；
Radio frequency snaps into progress swiping card at electric energy meter；
When radio-frequency card is swiped the card on electric energy meter (when i.e. radio-frequency card and electric energy meter carry out data interaction), host computer is logical
It crosses data communication module to communicate with controller module, so that controller module generates reset signal, and be generated by reset signal
Module output reset signal is to electric energy meter, so that electric energy meter is resetted；
Radio frequency snaps at electric energy meter end of swiping the card；
Radio frequency snaps into reading data at rf read-write device, and rf read-write device reads the first radio-frequency card data of radio-frequency card
And upload to host computer；
Host computer passes through first time electric energy meter data of communication bus reading power meters after swiping the card for the first time；
Host computer modifies test data, repeats the above steps, until reaching the times N being previously set；
After the completion of test, host computer has recorded first~n-th test data, first~n-th radio-frequency card data and
One~n-th electric energy meter data；At this point, staff can be programmed host computer, automatically to the data of above-mentioned record into
Row compares, analyzes and judges, the detection of pre-payment radio-frequency card Yu electric energy meter data exchange process can be realized；Or staff
Voluntarily pre-payment radio-frequency card can also be determined and be examined with electric energy meter data exchange process according to the data of above-mentioned record
It surveys.
It is illustrated in figure 2 the data communication module of the device of the invention, reset signal generation module and controller module
Circuit theory schematic diagram: in figure, isolation circuit is the isolation circuit being made of the isolating chip of model ADUM5241；Level turns
Changing circuit is the circuit being made of the power level conversion chip of model MAX232；MCU is controller module.
The ground wire of controller module is directly connected to earth signal DGND；The communications pins RX of controller module is as data receiver
Pin, connects 2 feet of isolating chip, and the communications pins TX of controller module sends pin as data, connects the 3 of isolating chip
Foot；1 foot of isolating chip connects power supply signal DVCC, 4 feet ground connection, and 7 feet are directly connected to electricity as the corresponding isolation pin of 2 feet
9 feet of source level conversion chip, 6 feet are directly connected to 10 feet of power level conversion chip as the corresponding isolation pin of 3 feet, together
When isolating chip 8 feet directly with 16 foot common-battery source signal 232VCC of power level conversion chip, and 5 feet of isolating chip are straight
It connects with 15 feet of power level conversion chip directly altogether；And 7 feet of power level conversion chip are as the corresponding pin of 10 feet
The 232TX L signal of 232 communications pins of host computer is connected, and 8 feet of power level conversion chip are as the corresponding pin of 9 feet
The 232RX L signal of 232 communications pins of host computer is connected, while the GND pin of 232 communications pins of host computer also connects ground
Signal (earth signal of power level conversion chip).When controller module is communicated with host computer, controller module output
Data first by U604 carry out electrical isolation after, then by chip U603 be converted to host computer 232 level signals output
To host computer；Likewise, after the data of 232 level signals of host computer output are converted to low-voltage signal by U603, then pass through
U604 is issued to controller module after carrying out electrical isolation.
In addition, two-way the output pin P01 and P02 of controller module export two-way reset signal, it is identical by two-way
Reset signal generating circuit is output to electric energy meter；Wherein, reset signal generating circuit includes resetting input pull-up resistor all the way
(R804 or R802), it resets isolation optocoupler (U801 or U802) and resets output pull-up resistor (R801 or R803)；Controller mould
The connection of reset signal all the way of block output resets input one end of isolation optocoupler, and the input other end for resetting isolation optocoupler passes through again
Position input pull-up resistor connects positive pole；Output end one end of isolation optocoupler is resetted by resetting output pull-up resistor connection electricity
Source anode, the output other end for resetting isolation optocoupler directly export final reset signal (Meter_Reset1 or Meter_
Reset2) and it is connected to electric energy meter；Why export two-way reset signal, be in order to in electric energy meter metering module and control
Module is resetted respectively.When reset signal P01 is low level all the way for controller module output, the primary side of optocoupler is led at this time
Logical, the secondary side of optocoupler simultaneously turns on, and Meter_Reset1 signal is pulled to power supply signal (high level) and is output to electricity at this time
It can table.
It is illustrated in figure 3 the method flow diagram of method of the invention: this pre-payment radio-frequency card provided by the invention
With the detection method of electric energy meter data exchange process detection device, include the following steps:
S1. host computer connect simultaneously input test data with rf read-write device by communication bus；Radio-frequency card is located at electric energy
The side of table, host computer are connect by serial ports with rf read-write device；Radio-frequency card on the left of electric energy meter card reading position 5CM range it
It is interior, while electric energy meter read-write radio-frequency card transition can orderly read and write radio-frequency card by switch control, host computer and electric energy meter；
S2. host computer is communicated by data communication module with controller module, and control controller module passes through reset signal
Generation module produces electricl energy table reset signal；
S3. radio-frequency card is swiped the card on electric energy meter, while controller module is generated by reset signal generation module
Electric energy meter reset signal simultaneously controls electric energy meter and is resetted；
S4. after the completion of radio-frequency card is swiped the card, host computer is obtained by communication bus and records electric energy meter data internal at this time；
S5. rf read-write device swipes the card to radio-frequency card and obtains data of the radio-frequency card after electric energy meter is swiped the card, and will
The data upload host computer by communication bus, and host computer records the data of upload, parses and judges the reasonable of data
Property；
S6. host computer changes test data, and repeats step S1~S5 until reaching the number being previously set；
S7. after data and radio-frequency card inside host computer is recorded according to above-mentioned steps test data, electric energy meter are swiped the card
Data, pre-payment radio-frequency card and electric energy meter data exchange process are detected.
Claims (8)
1. a kind of pre-payment radio-frequency card and electric energy meter data exchange process detection device, it is characterised in that including controller module,
Data communication module, host computer, rf read-write device and reset signal generation module；Data communication module and reset signal generate
Module is connect with controller module, and for host computer simultaneous connection according to communication module and electric energy meter, rf read-write device connection is upper
Machine, reset signal generation module connect electric energy meter；Controller module is connected and communicated by data communication module and host computer；On
Position machine connect with rf read-write device and carries out data communication by communication bus, while host computer connects electricity by communication bus
Energy table simultaneously carries out data communication；Controller module generates reset signal by reset signal generation module and answers electric energy meter
Position.
2. pre-payment radio-frequency card according to claim 1 and electric energy meter data exchange process detection device, it is characterised in that
The data communication module includes isolation circuit and level shifting circuit；Isolation circuit and level shifting circuit concatenation；Control
After the signal of communication of device module output carries out electrical isolation by isolation circuit, then is converted to by level shifting circuit and communicates electricity
Ordinary mail number is connected to host computer and is communicated with host computer.
3. pre-payment radio-frequency card according to claim 2 and electric energy meter data exchange process detection device, it is characterised in that
The isolation circuit is the isolation circuit being made of the isolating chip of model ADUM5241.
4. pre-payment radio-frequency card according to claim 2 and electric energy meter data exchange process detection device, it is characterised in that
The level shifting circuit is the circuit being made of the power level conversion chip of model MAX232.
5. pre-payment radio-frequency card according to claim 1 and electric energy meter data exchange process detection device, it is characterised in that
If the reset signal generation module includes the identical reset signal generating circuit in main line；Reset signal generating circuit includes multiple
Input pull-up resistor in position resets isolation optocoupler and resets output pull-up resistor；The reset signal all the way of controller module output connects
The input one end for resetting isolation optocoupler is connect, the input other end for resetting isolation optocoupler connects power supply by resetting input pull-up resistor
Anode；The output end one end for resetting isolation optocoupler connects positive pole by resetting output pull-up resistor, resets isolation optocoupler
The output other end directly exports final reset signal and is connected to electric energy meter.
6. pre-payment radio-frequency card described according to claim 1~one of 5 and electric energy meter data exchange process detection device, special
Sign is that the host computer connect with rf read-write device and carry out data communication by communication bus, and specially host computer is logical
CAN bus, RS485 bus or wireless communication bus is crossed to connect with rf read-write device and carry out data communication.
7. pre-payment radio-frequency card described according to claim 1~one of 5 and electric energy meter data exchange process detection device, special
Sign is that the host computer connects electric energy meter by communication bus and carries out data communication, and specially host computer is total by CAN
Line, RS485 bus or wireless communication bus connect with electric energy meter and carry out data communication.
8. the inspection of pre-payment radio-frequency card described in a kind of one of claim 1~7 and electric energy meter data exchange process detection device
Survey method, includes the following steps:
S1. host computer connect simultaneously input test data with rf read-write device by communication bus；
S2. host computer is communicated by data communication module with controller module, and control controller module is generated by reset signal
Module produces electricl energy table reset signal；
S3. radio-frequency card is swiped the card on electric energy meter, while controller module is produced electricl energy by reset signal generation module
Table reset signal simultaneously controls electric energy meter and is resetted；
S4. after the completion of radio-frequency card is swiped the card, host computer is obtained by communication bus and records electric energy meter data internal at this time；
S5. rf read-write device swipes the card to radio-frequency card and obtains data of the radio-frequency card after electric energy meter is swiped the card, and by the number
Host computer is uploaded according to by communication bus, host computer records the data of upload；
S6. host computer changes test data, and repeats step S1~S5 until reaching the number being previously set；
S7. data and radio-frequency card inside host computer is recorded according to above-mentioned steps test data, electric energy meter swipe the card after number
According to being detected to pre-payment radio-frequency card and electric energy meter data exchange process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811519521.2A CN109344934A (en) | 2018-12-12 | 2018-12-12 | Pre-payment radio-frequency card and electric energy meter data exchange process detection device and detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811519521.2A CN109344934A (en) | 2018-12-12 | 2018-12-12 | Pre-payment radio-frequency card and electric energy meter data exchange process detection device and detection method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109344934A true CN109344934A (en) | 2019-02-15 |
Family
ID=65303902
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811519521.2A Pending CN109344934A (en) | 2018-12-12 | 2018-12-12 | Pre-payment radio-frequency card and electric energy meter data exchange process detection device and detection method |
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2018
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| CN1567219A (en) * | 2003-07-04 | 2005-01-19 | 上海华园微电子技术有限公司 | Test circuit for non-contact type integrated circuit and test method thereof |
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