CN103593917A - Pre-payment electric energy meter based on intelligent information carrier - Google Patents
Pre-payment electric energy meter based on intelligent information carrier Download PDFInfo
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- CN103593917A CN103593917A CN201210289085.0A CN201210289085A CN103593917A CN 103593917 A CN103593917 A CN 103593917A CN 201210289085 A CN201210289085 A CN 201210289085A CN 103593917 A CN103593917 A CN 103593917A
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- information carrier
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- smart information
- shaping circuit
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Abstract
The invention discloses a pre-payment electric energy meter based on an intelligent information carrier. The pre-payment electric energy meter comprises a microprocessor, an electronic base meter, a pulse shaping circuit, a display, an in-the-meter data memory, the intelligent information carrier and a negative charge control relay. The output end of the electronic base meter is connected with the input end of the pulse shaping circuit, the output end of the pulse shaping circuit is connected with the electric quantity signal input end of the microprocessor, the input end of the display is connected with the display signal output end of the microprocessor, the in-the-meter data memory is connected with the storage signal end of the microprocessor, the data transmission end of the intelligent information carrier is connected with the pre-payment information transmission end of the microprocessor, and the input end of the negative charge control relay is connected with the power supply control signal output end of the microprocessor. User pre-payment information on a magnetic card is read through the intelligent information carrier, electric energy is electronically measured, a switch is controlled through the negative charge control relay, and the pre-payment electric energy meter has the advantages of having measuring accuracy and being convenient to manage and high in confidentiality.
Description
Technical field
The present invention relates to a kind of prepayment meter, relate in particular to a kind of prepayment meter based on smart information carrier.
Background technology
Along with the significantly increase of per capita household electricity consumption, now substantially round Realization Every household has an ammeter, traditional mechanical power energy meter measuring accuracy is not high enough, and cannot realize electronic pre-payment management, is eliminated gradually.The electric energy meter of electronic type is accurate measurement not only, and can realize pre-payment management, so become main flow electric energy meter.Existing electronic prepayment electric power table, its user prepayment information using magnetic card be magnetic card as carrier, by magnetic card reader reading information and management.The Card Reader chip of existing electronic prepayment electric power table only has the function of direct reading information, can not carry out security configuration and identification to card information, so security performance is not high enough.
Summary of the invention
Object of the present invention provides a kind of prepayment meter based on smart information carrier with function of keeping secret with regard to being in order to address the above problem.
The present invention is achieved through the following technical solutions above-mentioned purpose:
The present invention includes microprocessor, electronic type base table, pulse shaping circuit, display and Biao Nei data-carrier store, the output terminal of described electronic type base table is connected with the input end of described pulse shaping circuit, the output terminal of described pulse shaping circuit is connected with the electric quantity signal input end of described microprocessor, the input end of described display is connected with the display output terminal of described microprocessor, and in described table, data-carrier store is connected with the storage signal end of described microprocessor; It is characterized in that: also comprise smart information carrier and negative charge pilot relay, the data transmission terminal of described smart information carrier is connected with the prepayment information transmission ends of described microprocessor, and the input end of described negative charge pilot relay is connected with the power supplying control signal output terminal of described microprocessor.
Particularly, described smart information carrier is DS1961S chip.
More specifically, described smart information carrier comprises parasite power, function power supply, function control unit, CRC16 generator, four page data storeies, 64 bit register pages, 64 photoetching RDM, 512 SHA engines, 64 working storages and 64 crypto key memorys.
Beneficial effect of the present invention is:
The present invention reads the user prepayment information on magnetic card by smart information carrier, and electric energy is carried out to electronic measurement, and passes through negative charge pilot relay gauge tap, has advantages of accurate measurement, is convenient to management, strong security.
Accompanying drawing explanation
Fig. 1 is the circuit block diagram of prepayment meter of the present invention;
Fig. 2 is the internal circuit block diagram of smart information carrier of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described:
As shown in Figure 1, the present invention includes data-carrier store, smart information carrier and negative charge pilot relay in microprocessor, electronic type base table, pulse shaping circuit, display, table, the output terminal of electronic type base table is connected with the input end of pulse shaping circuit, the output terminal of pulse shaping circuit is connected with the electric quantity signal input end of microprocessor, the input end of display is connected with the display output terminal of microprocessor, and in table, data-carrier store is connected with the storage signal end of microprocessor; The data transmission terminal of smart information carrier is connected with the prepayment information transmission ends of microprocessor, and the input end of negative charge pilot relay is connected with the power supplying control signal output terminal of microprocessor.
As shown in Figure 2, smart information carrier comprises parasite power, function power supply, function control unit, CRC16 generator, four page data storeies, 64 bit register pages, 64 photoetching RDM, 512 SHA engines, 64 working storages and 64 crypto key memorys.
In practical application, smart information carrier is DS1961S chip.
Claims (3)
1. the prepayment meter based on smart information carrier, comprise microprocessor, electronic type base table, pulse shaping circuit, display and Biao Nei data-carrier store, the output terminal of described electronic type base table is connected with the input end of described pulse shaping circuit, the output terminal of described pulse shaping circuit is connected with the electric quantity signal input end of described microprocessor, the input end of described display is connected with the display output terminal of described microprocessor, and in described table, data-carrier store is connected with the storage signal end of described microprocessor; It is characterized in that: also comprise smart information carrier and negative charge pilot relay, the data transmission terminal of described smart information carrier is connected with the prepayment information transmission ends of described microprocessor, and the input end of described negative charge pilot relay is connected with the power supplying control signal output terminal of described microprocessor.
2. the prepayment meter based on smart information carrier according to claim 1, is characterized in that: described smart information carrier is DS1961S chip.
3. the prepayment meter based on smart information carrier according to claim 1 and 2, is characterized in that: described smart information carrier comprises parasite power, function power supply, function control unit, CRC16 generator, four page data storeies, 64 bit register pages, 64 photoetching RDM, 512 SHA engines, 64 working storages and 64 crypto key memorys.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210289085.0A CN103593917A (en) | 2012-08-15 | 2012-08-15 | Pre-payment electric energy meter based on intelligent information carrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210289085.0A CN103593917A (en) | 2012-08-15 | 2012-08-15 | Pre-payment electric energy meter based on intelligent information carrier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103593917A true CN103593917A (en) | 2014-02-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210289085.0A Pending CN103593917A (en) | 2012-08-15 | 2012-08-15 | Pre-payment electric energy meter based on intelligent information carrier |
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| CN (1) | CN103593917A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106257546A (en) * | 2015-06-17 | 2016-12-28 | 中兴通讯股份有限公司 | The method of managing prepaid intelligent monitoring terminal and prepayment intelligent detection and control terminal |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006344144A (en) * | 2005-06-10 | 2006-12-21 | Tamotsu Fukuhara | Power supply apparatus |
| CN201060226Y (en) * | 2007-04-30 | 2008-05-14 | 五洲明珠股份有限公司潍坊浩特电气分公司 | Single-phase smart card type pre-payment multi-rate meter |
| CN201449641U (en) * | 2009-07-07 | 2010-05-05 | 韦军 | Remote prepaid water meter of solar centralized heating system |
| CN201804376U (en) * | 2009-08-26 | 2011-04-20 | 河南新天科技股份有限公司 | Single-phase prepayment electric energy meter with malignant load identification function |
| CN202339602U (en) * | 2011-12-06 | 2012-07-18 | 江苏盛德电子仪表有限公司 | Local single-phase cost control smart electric energy meter |
| CN202816022U (en) * | 2012-08-15 | 2013-03-20 | 成都昊地科技有限责任公司 | Prepaid electric energy meter based on intelligent information carrier |
-
2012
- 2012-08-15 CN CN201210289085.0A patent/CN103593917A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006344144A (en) * | 2005-06-10 | 2006-12-21 | Tamotsu Fukuhara | Power supply apparatus |
| CN201060226Y (en) * | 2007-04-30 | 2008-05-14 | 五洲明珠股份有限公司潍坊浩特电气分公司 | Single-phase smart card type pre-payment multi-rate meter |
| CN201449641U (en) * | 2009-07-07 | 2010-05-05 | 韦军 | Remote prepaid water meter of solar centralized heating system |
| CN201804376U (en) * | 2009-08-26 | 2011-04-20 | 河南新天科技股份有限公司 | Single-phase prepayment electric energy meter with malignant load identification function |
| CN202339602U (en) * | 2011-12-06 | 2012-07-18 | 江苏盛德电子仪表有限公司 | Local single-phase cost control smart electric energy meter |
| CN202816022U (en) * | 2012-08-15 | 2013-03-20 | 成都昊地科技有限责任公司 | Prepaid electric energy meter based on intelligent information carrier |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106257546A (en) * | 2015-06-17 | 2016-12-28 | 中兴通讯股份有限公司 | The method of managing prepaid intelligent monitoring terminal and prepayment intelligent detection and control terminal |
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Application publication date: 20140219 |