CN108021832A - A kind of electric energy meter of compatible more card operations knows chucking method - Google Patents
A kind of electric energy meter of compatible more card operations knows chucking method Download PDFInfo
- Publication number
- CN108021832A CN108021832A CN201711370095.6A CN201711370095A CN108021832A CN 108021832 A CN108021832 A CN 108021832A CN 201711370095 A CN201711370095 A CN 201711370095A CN 108021832 A CN108021832 A CN 108021832A
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- Prior art keywords
- card
- electric energy
- energy meter
- knows
- compatible
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/0013—Methods or arrangements for sensing record carriers, e.g. for reading patterns by galvanic contacts, e.g. card connectors for ISO-7816 compliant smart cards or memory cards, e.g. SD card readers
- G06K7/0021—Methods or arrangements for sensing record carriers, e.g. for reading patterns by galvanic contacts, e.g. card connectors for ISO-7816 compliant smart cards or memory cards, e.g. SD card readers for reading/sensing record carriers having surface contacts
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Electromagnetism (AREA)
- General Health & Medical Sciences (AREA)
- Credit Cards Or The Like (AREA)
Abstract
The present invention relates to a kind of electric energy meter of compatible more card operations to know chucking method, and the described method includes A, electric energy meter timing send card seeking instruction；B, detect port and enter first kind card recognition pattern according to card seeking instruction, card is identified；If C, judging the non-first kind card of the card, the second class card recognition pattern is gone to；If D, the card is the first kind or the second class card, subsequent operation is carried out；If E, the non-first kind of the card or the second class card, end operation.Relative to the prior art, the present invention can effectively realize more card operation fusions, and convenient user, economizes on resources.
Description
Technical field
A kind of electric energy meter the present invention relates to electric energy meter technology, more particularly to a variety of cards of compatibility knows chucking method.
Background technology
With the development of science and technology, electric energy meter design is more and more intelligent, people can be by swiping card mode pre-payment, but the party
Formula also brings many inconvenience.
The electric energy meter sample diversified in specifications of different operators design, the debit card species supporting with it is also different, some need
Consumed using IC card, some need are paid using radio-frequency card, can not compatible mutual payment between the electric energy meter of different moneys
Card, once this causes user to replace the electric energy meter for employing different manufacturers, then can not just be continuing with original debit card, if former
Many electricity charge are also prestored in debit card, then user need to go to power supply bureau to handle the formalities such as a turn card, cancellation, can take out remaining in card
Volume, this not only adds burden to user, causes user to be discontented with, while the card after cancellation is used without it again, causes the wasting of resources.
The content of the invention
In view of the above problems, it is an object of the invention to provide a kind of electric energy meter of compatible more card operations to know chucking method, should
Electric energy meter can compatible different debit card, it is allowed to which consumer uses debit card according to the selection of oneself demand, and user's is same facilitating
When, also save resource.
To achieve these goals, the technical solution adopted by the present invention is：A kind of electric energy meter of compatible more card operations knows card
Method, it is characterised in that：The described method includes,
A, electric energy meter timing sends card seeking instruction；
B, detect port and enter first kind card recognition pattern according to card seeking instruction, card is identified；
If C, judging the non-first kind card of the card, the second class card recognition pattern is gone to；
If D, the card is the first kind or the second class card, subsequent operation is carried out；
If E, the non-first kind of the card or the second class card, end operation.
Further, the first kind card recognition pattern seeks radio frequency mode card, the second class card recognition for timing
Pattern is detection contact card intercalation model.
Further, the card seeking instruction includes detecting radio-frequency card instruction and the card instruction of detection contact, described instruction
The different card seeking signals sent by the card seeking chip in electric energy meter according to electric energy meter, which correspond to, to be produced.
Further, the different card seeking signal sends detection radio-frequency card every T1ms including electric energy meter to card seeking chip
Card seeking signal and every T2ms to card seeking chip send detection contact card card seeking signal.
Further, the timing seeks radio frequency mode card and is specially：
After the card enters detection port areas, if detection port can detect the card according to detection radio-frequency card instruction
Piece information, then judge to successfully be detected radio-frequency card, lock the radio-frequency card, perform D；If being not detected by the card image,
Perform C.
Further, the detection contact card intercalation model is specially：
A card image is detected in the detection port according to the instruction of detection contact card every T2ms, and works as and detect
During the card image, plug-in card variable is added 1；
After being carried out continuously n detection, by plug-in card variable accumulation result compared with setting value；
If accumulation result is equal with setting value, judgement successfully be detected contact card, D be performed, conversely, then performing E.
Further, the plug-in card variable uses octal number, and initial value is 0000；Every time before detection card image,
By octal system plug-in card variable left one.
Further, the timing is sought radio frequency mode card and is further included, and before card image is detected, has also carried out anti-card
Conflict or interference operation.
Further, T2 values 10ms, T1 value 500ms, the n value 4.
Further, the subsequent operation is included after the type of card is successfully judged, judges the conjunction of card format
Method, if illegal, end operation.
Further, if to further include card format legal for the subsequent operation, electric energy meter carries out ESAM certifications with card,
And in certification by rear, the operation such as data interaction is carried out, supplements with money, if certification is not by end operation.
Further, the card format legitimacy include the initial code of file structure in detection card, data check and,
Whether end code is correct, or whether card is unissued blank card.
Compared with prior art, the advantage of the invention is that：Existing electric energy meter compatible can not block operation more, and of the invention
Method electric energy meter, which is directed to different types of card, sends the signal of different frequency can be identified to radio-frequency card and IC card, according to
The signal of different frequency reads corresponding card image using different data reading modes, can realize that the operation of a variety of cards is melted
Close, ensure the smooth reception data of electric energy meter, realize seamlessly transitting for electric energy meter compatibility performance；And this method allows user according to certainly
Body demand choice cards, while user-friendly, also saves resource, reduces the waste of invalid card.
Brief description of the drawings
Fig. 1 is the compatible electric energy meter overall workflow figure of the embodiment of the present invention.
Fig. 2 is that radio-frequency card operating process is sought in the timing of the embodiment of the present invention.
Fig. 3 is the detection contact card operating process of the embodiment of the present invention.
Fig. 4 is that card, the electric energy meter of the embodiment of the present invention realize ESAM identifying procedure figures.
Embodiment
The embodiment of the present invention is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or has the function of same or like element.Below with reference to attached
The embodiment of figure description is exemplary, and is only used for explaining the present invention, and is not considered as limiting the invention.
As shown in Figure 1, the method for the present invention, which is related to a kind of electric energy meter of compatible more card operations, knows chucking method, this method corresponds to
Electric energy meter there is detection port, during specific use, proceed as follows operation：
1) when there is card to enter detection port, radio frequency mode card is first sought using timing card image is detected；
2) when that can detect signal using this kind of mode, then locking radio frequency card, and judge the legal of the card format
Property；
If 3) can not detect signal by this kind of mode, using detection contact card intercalation model detection card letter
Breath；
If 4) can detect information, the legitimacy of the card format is judged；Specifically, the legitimacy includes including detection
The initial code of file structure in card, data check and, end code it is whether correct, or whether card is unissued blank card
Piece；
If 5) card format is legal, electric energy meter and card are authenticated using ESAM modes；
6) if certification is by with regard to carrying out data interaction, supplementing with money, the practical operation such as deduct money；
7) if detection contact card tablet mode can not detect card signal, or judge that card format is unqualified, or recognize
Card can not be by, then end operation.
Electric energy meter can send inquiry radio frequency card signal every 500ms when carrying out aforesaid operations to card seeking chip, every
10ms sends inquiry contact card signal to card seeking chip, and corresponding, card seeking chip after above-mentioned signal is received,
The instruction of detection radio-frequency card and the card instruction of detection contact can be correspondingly formed respectively, and foregoing timing is sought radio frequency mode card and corresponded to
Radio-frequency card instruction is detected, detection contact card tablet mode corresponds to the card instruction of detection contact.
Specifically it is illustrated to periodically seeking radio frequency mode card and detection contact card tablet mode below.
Fig. 2 is illustrated that radio frequency mode card is sought in timing, and electric energy meter sends card seeking signal, card seeking per 500ms to card seeking chip
After chip receives card seeking signal, start to send card seeking instruction, carry out excluding card conflict or interference operation during card seeking, with
Anti- misjudgment, and selected card image is read out, can be effective if the operation carried out according to detection radio-frequency card instruction
Card image is read, then judges that successfully be detected radio-frequency card swipes the card.
Fig. 3 be illustrated that detection contact card tablet mode, electric energy meter every 10ms to card seeking chip send card seeking signal after,
The detection port of electric energy meter then can inquire about a plug-in card with identical frequency, i.e., 1 plug-in card data is sampled per 10ms, is specifically being sampled
During, a plug-in card variable CardSamp, initial time 0 are set for the operation, which uses octal representation mode,
Every time before collection, plug-in card variable CardSamp moves to left one, and when detecting card image, then carries out plus 1 operates, this
After sample is carried out continuously four detections, plug-in card variable is obtained, by plug-in card variate-value this moment compared with the value set, if the two
It is equal, then judge successfully be detected contact card insertion, if the two is unequal, and plug-in card variable be equal to 0 when, judge do not have
Card insertion enters or card is pulled out away, end operation；If the two is differed, and plug-in card variable is not 0, then direct end operation.
Per 10ms, sampling once, has detected whether that card insertion enters, continuous to detect 4 times, using stabilization fault tolerant mechanism, can effectively carry
The accuracy that height judges, certainly, in actual design, the number continuously detected can be other rational numbers.
Meanwhile it can also be other conjunctions that electric energy meter, which sends detection radio frequency card signal and the interval of detection contact card signal,
Reason value, is set with specific reference to actual needs.
Specific identifying procedure is illustrated below.
There are ESAM modules in electric energy meter, verification process is broadly divided into four parts：
First, electric energy meter sends card reset command to card, after card receives the order, realizes and resets, and returns to 8
Byte discrete element, electric energy meter receive the 8 byte discrete element；
Then, electric energy meter sends to ESAM modules and takes random number order, after ESAM modules 8 byte random numbers of acquisition that its is anti-
It is fed to electric energy meter；
Electric energy meter sends discrete, dispersion factor and generation temporary key order to ESAM modules, and ESAM modules receive the life
After order, the temporary key of generation is back to electric energy meter；
Electric energy meter sends temporary key, random number and ESAM encryption orders, ESAM modules to ESAM modules again and generates 8 words
Electric energy meter is returned it to after section ciphertext K1；
Secondly, electric energy meter sends random number and card encryption order to card, and card receives that to generate 8 bytes after the information close
Literary K2, and 8 byte cryptogram K2 is returned into electric energy meter；
Finally, ciphertext K1 and K2 are compared by electric energy meter, if the two is consistent, represent certification by after can then carrying out
It is continuous the practical operation such as to supplement, deduct fees with money.
The electric energy meter of this method is directed to different types of card, the signal of different frequency is sent, according to the letter of different frequency
The different data reading mode of number use reads corresponding card image, can effectively realize the operation fusion of a variety of cards, ensure
The smooth reception data of electric energy meter, realize seamlessly transitting for electric energy meter compatibility performance；And this method allows user according to self-demand
Choice cards, while user-friendly, also saves resource, reduces the waste of invalid card.
In addition to above-mentioned improvement, other similar improvement are also contained in the improvement threshold of the present invention, are not just existed herein
Repeat.Although an embodiment of the present invention has been shown and described, it will be appreciated by those skilled in the art that：The present invention is not being departed from
Principle and objective in the case of can to these embodiments carry out it is a variety of change, modification, replace and deformation, the scope of the present invention
Limited by claim and its equivalent.
Claims (12)
1. a kind of electric energy meter of compatible more card operations knows chucking method, it is characterised in that：The described method includes,
A, electric energy meter timing sends card seeking instruction；
B, detect port and enter first kind card recognition pattern according to card seeking instruction, card is identified；
If C, judging the non-first kind card of the card, the second class card recognition pattern is gone to；
If D, the card is the first kind or the second class card, subsequent operation is carried out；
If E, the non-first kind of the card or the second class card, end operation.
2. the electric energy meter of compatible more card operations according to claim 1 knows chucking method, it is characterised in that：
The first kind card recognition pattern seeks radio frequency mode card for timing, and the second class card recognition pattern contacts for detection
Formula card intercalation model.
3. the electric energy meter of compatible more card operations according to claim 2 knows chucking method, it is characterised in that：
The card seeking instruction includes detecting radio-frequency card instruction and the card instruction of detection contact, and described instruction is by seeking in electric energy meter
The different card seeking signals that the core of the card piece is sent according to electric energy meter, which correspond to, to be produced.
4. the electric energy meter of compatible more card operations according to claim 3 knows chucking method, it is characterised in that：
The different card seeking signal include electric energy meter every T1ms to card seeking chip send detection radio-frequency card card seeking signal and
The card seeking signal of detection contact card is sent to card seeking chip every T2ms.
5. the electric energy meter of the more card operations of compatibility according to claim 3 or 4 knows chucking method, it is characterised in that：The timing
Seek radio frequency mode card specifically,
After the card enters detection port areas, if detection port can detect that the card is believed according to detection radio-frequency card instruction
Breath, then judge to successfully be detected radio-frequency card, lock the radio-frequency card, perform D；If being not detected by the card image, perform
C。
6. the electric energy meter of compatible more card operations according to claim 4 knows chucking method, it is characterised in that：The detection contact
Formula card intercalation model specifically,
A card image is detected in the detection port according to the instruction of detection contact card every T2ms, and described when detecting
During card image, plug-in card variable is added 1；
After being carried out continuously n detection, by plug-in card variable accumulation result compared with setting value；
If accumulation result is equal with setting value, judgement successfully be detected contact card, D be performed, conversely, then performing E.
7. the electric energy meter of compatible more card operations according to claim 6 knows chucking method, it is characterised in that：
The plug-in card variable uses octal number, and initial value is 0000；Every time before detection card image, octal system plug-in card is become
Amount moves to left one.
8. the electric energy meter of compatible more card operations according to claim 5 knows chucking method, it is characterised in that：The timing, which is sought, penetrates
Frequency mode card further includes, and before card image is detected, has also carried out anti-card conflict or interference operation.
9. the electric energy meter of compatible more card operations according to claim 7 knows chucking method, it is characterised in that：
T2 values 10ms, T1 value 500ms, the n value 4.
10. the electric energy meter of compatible more card operations according to claim 1 knows chucking method, it is characterised in that：
The subsequent operation is included after the type of card is successfully judged, judges the legitimacy of card format, if illegal,
Then end operation.
11. the electric energy meter of compatible more card operations according to claim 10 knows chucking method, it is characterised in that：
If it is legal that the subsequent operation further includes card format, electric energy meter carries out ESAM certifications with card, and passes through in certification
Afterwards, carry out data interaction, the operation such as supplement with money, if certification is not by end operation.
12. the electric energy meter of the more card operations of compatibility according to claim 10 or 11 knows chucking method, it is characterised in that：
The card format legitimacy include the initial code of file structure in detection card, data check and, end code whether just
Really, or whether card is unissued blank card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711370095.6A CN108021832A (en) | 2017-12-18 | 2017-12-18 | A kind of electric energy meter of compatible more card operations knows chucking method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711370095.6A CN108021832A (en) | 2017-12-18 | 2017-12-18 | A kind of electric energy meter of compatible more card operations knows chucking method |
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| CN108021832A true CN108021832A (en) | 2018-05-11 |
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| CN201711370095.6A Pending CN108021832A (en) | 2017-12-18 | 2017-12-18 | A kind of electric energy meter of compatible more card operations knows chucking method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110969782A (en) * | 2019-11-13 | 2020-04-07 | 上海动联信息技术股份有限公司 | Non-card-receiving card reading method for POS machine |
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| CN110969782A (en) * | 2019-11-13 | 2020-04-07 | 上海动联信息技术股份有限公司 | Non-card-receiving card reading method for POS machine |
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