CN204903754U - System is compared to energy metering equipment uniformity - Google Patents
System is compared to energy metering equipment uniformity Download PDFInfo
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- CN204903754U CN204903754U CN201520726454.7U CN201520726454U CN204903754U CN 204903754 U CN204903754 U CN 204903754U CN 201520726454 U CN201520726454 U CN 201520726454U CN 204903754 U CN204903754 U CN 204903754U
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Abstract
The utility model discloses a system is compared to energy metering equipment uniformity, first safety including setting up on RS485 control bus is encrypted controller, second safety encryption controller, uniformity detection device, benchmark energy metering equipment, is examined energy metering equipment and workstation. Workstation communication connection is encrypted controller, uniformity detection device, benchmark energy metering equipment safely, is examined energy metering equipment, equipment benchmark energy metering equipment is that voltage is parallelly connected, the electric current is established ties in being examined energy metering equipment.
Description
Technical field
The utility model is the encryption detection system and device contrasted about a kind of software conformance of smart metering device.
Background technology
Current electric energy measuring equipment complexity of software is more and more higher, and for verifying that its software conformance is with credible, grid company has formulated the alignment schemes meeting associated specifications requirement.The following defect of main existence: in software comparison process, needs equipment manufacturer to provide code, easily causes code to be revealed; Data with clear data transmission, are easy to be ravesdropping intercepting and capturing in comparison process; Only have simple password to verify, the reliability of software comparison personnel cannot be guaranteed.
Utility model content
The utility model solves above-mentioned technological deficiency; design a kind of improvement of software conformance comparison of smart metering device; such as be designed to safety encipher controller; by providing embedded-type security scheme; adopt the software version number of communication mode encrypting and authenticating smart metering device, with advanced physical protection and hardware-based cryptographic, read the object code of electric energy measuring equipment; carry out software conformance detection, for the comparison of metering outfit software provides safety practice.
Preferably, system is mainly made up of safety encipher controller, workstation, sample of putting on record, tested equipment, smart metering device software conformance pick-up unit.Smart metering device software conformance detection system Software deployment on a workstation, the certification mutually of safety encipher controller, and with the certification mutually of tested equipment.After certification is passed through, workstation is communicated with pick-up unit by RS485 bus mode, carries out the control operation of signal source; After pick-up unit rises source, according to the software conformance alignment schemes of configuration, traffic operation is carried out to equipment sample and tested equipment; Software detects the object code consistance of tested metering and tested equipment automatically, carries out testing result judgement.
To achieve these goals, the utility model electric energy measuring equipment consistance Compare System, comprise the first safety encipher controller be arranged on RS485 control bus, the second safety encipher controller, consistency detection device, benchmark electric energy measuring equipment, tested electric energy measuring equipment and workstation, described workstation communication connects safety encipher controller, safety encipher controller, consistency detection device, benchmark electric energy measuring equipment, tested electric energy measuring equipment, and described equipment benchmark electric energy measuring equipment is that voltage parallel, current-series are in tested electric energy measuring equipment.
The utility model optimal technical scheme solves the source code safety encipher problem of smart metering device software conformance comparison; by adopting certification mutually in many ways; dual-encryption channel, the storage in the comparison of protection source code, transmitting procedure, realize anti-copy, anti-eavesdrop, the management of anti-tamper advanced security.
Accompanying drawing explanation
Fig. 1 is the functional block diagram of the utility model electric energy measuring equipment consistance Compare System.
Embodiment
With reference to Fig. 1, in the utility model preferred embodiment, the conforming encryption detection method of a kind of electric energy measuring equipment of the utility model, comprises step:
1) start workstation 6, such as, input detection password by user, carry out authenticating user identification with the first safety encipher controller 1 interactive correspondence, checking detects password legitimacy;
2) workstation 6 sends control command to consistency detection device 3, enabling signal source, according to consistency detection logic control voltage, electric current, power factor, such as control consistency detection device 3 and carry out power on operation to the electric energy measuring equipment multiple to be checked be articulated in (such as RS485) bus and reference device simultaneously, then booster tension/electric current is to ratings;
3) workstation 6 reads described consistency detection logic, connects the first safety encipher controller 1, second safety encipher controller 2, carries out bidirectional identity authentication by first via encrypted tunnel;
4) workstation 6 connects described the first safety encipher controller 1, tested electric energy measuring equipment 5, obtain software version number encrypting and authenticating data, bidirectional identity authentication is carried out by the second road encrypted tunnel, judge whether authentication success, successful then continue perform next step, unsuccessful then stop perform this step;
5) workstation 6 connects described the second safety encipher controller 2, benchmark electric energy measuring equipment 4, obtain software version number encrypting and authenticating data, bidirectional identity authentication is carried out by the second road encrypted tunnel, judge whether authentication success, successful then continue perform next step, unsuccessful then stop perform this step;
6) workstation 6 reads described benchmark electric energy measuring equipment 4 object code 128 byte data ciphertext, sends ciphertext to the first safety encipher controller 1, obtains encrypt data by the mode of above-mentioned this superencipher;
7) workstation 6 verifies that whether the encrypt data verification of each frame is correct, correctly then stored in the object code ciphertext storehouse of benchmark electric energy measuring equipment 4;
8) workstation 6 reads tested electric energy measuring equipment 5 object code 128 byte data ciphertext, sends ciphertext to the second safety encipher controller 2, obtains encrypt data by superencipher;
9) workstation 6 verifies that whether the encrypt data verification of each frame is correct, correctly then stored in the object code ciphertext storehouse of tested electric energy measuring equipment 5.
As another embodiment, corresponding with above-described embodiment, electric energy measuring equipment consistance Compare System comprises the first safety encipher controller 1 be arranged on RS485 control bus, second safety encipher controller 2, consistency detection device 3, benchmark electric energy measuring equipment 4, tested electric energy measuring equipment 5 and workstation 6, described workstation 6 communication connects safety encipher controller 1, safety encipher controller 2, consistency detection device 3, benchmark electric energy measuring equipment 4, tested electric energy measuring equipment 5, described equipment benchmark electric energy measuring equipment 2 is voltage parallels, current-series is in tested electric energy measuring equipment 3.
Wherein, after above-mentioned consistency detection logic refers to and sends control command in response to workstation 6 to consistency detection device 3, the built-in steering logic of device 3 brings into operation, and steering logic makes the utility model consistance Compare System realize above-mentioned steps 3) to 9) operation.
Improve, described workstation 6 controls consistency detection device 3, benchmark electric energy measuring equipment 4, tested electric energy measuring equipment 5 by RS485 bus mode, and the first safety encipher controller 1, second safety encipher controller 2 described in being connected by the communication of USB mode.
Another improvement, repeat step 6) to 7), until read all object codes of benchmark electric energy measuring equipment 4, and stored in benchmark electric energy measuring equipment 4 object code ciphertext storehouse.
Improve, described embodiment of the method comprises step further: repeat above-mentioned steps 8) to 9), until read all object codes of tested electric energy measuring equipment 5, and stored in tested electric energy measuring equipment 5 object code ciphertext storehouse, benchmark electric energy measuring equipment 4 object code ciphertext storehouse and tested electric energy measuring equipment 5 object code ciphertext storehouse are detected, determine whether consistent, judge to return success flag unanimously.
Claims (2)
1. an electric energy measuring equipment consistance Compare System, it is characterized in that, comprise the first safety encipher controller (1) be arranged on RS485 control bus, second safety encipher controller (2), consistency detection device (3), benchmark electric energy measuring equipment (4), tested electric energy measuring equipment (5) and workstation (6), described workstation (6) communication connects safety encipher controller (1), safety encipher controller (2), consistency detection device (3), benchmark electric energy measuring equipment (4), tested electric energy measuring equipment (5), described equipment benchmark electric energy measuring equipment (2) is voltage parallel, current-series is in tested electric energy measuring equipment (3).
2. electric energy measuring equipment consistance Compare System according to claim 1, it is characterized in that, described workstation (6) controls consistency detection device (3), benchmark electric energy measuring equipment (4), tested electric energy measuring equipment (5) by RS485 bus mode, and the first safety encipher controller (1), the second safety encipher controller (2) described in being connected by the communication of USB mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520726454.7U CN204903754U (en) | 2015-09-17 | 2015-09-17 | System is compared to energy metering equipment uniformity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520726454.7U CN204903754U (en) | 2015-09-17 | 2015-09-17 | System is compared to energy metering equipment uniformity |
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| Publication Number | Publication Date |
|---|---|
| CN204903754U true CN204903754U (en) | 2015-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520726454.7U Active CN204903754U (en) | 2015-09-17 | 2015-09-17 | System is compared to energy metering equipment uniformity |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106501758A (en) * | 2016-12-02 | 2017-03-15 | 国网四川省电力公司电力科学研究院 | A kind of electric power meter metering performance Compare System and method |
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2015
- 2015-09-17 CN CN201520726454.7U patent/CN204903754U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106501758A (en) * | 2016-12-02 | 2017-03-15 | 国网四川省电力公司电力科学研究院 | A kind of electric power meter metering performance Compare System and method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 510080 Dongfeng East Road, Dongfeng, Guangdong, Guangzhou, Zhejiang Province, No. 8 Patentee after: ELECTRIC POWER RESEARCH INSTITUTE, GUANGDONG POWER GRID CO., LTD. Patentee after: HOLLEY METERING LIMITED Address before: 510080 Dongfeng East Road, Dongfeng, Guangdong, Guangzhou, Zhejiang Province, No. 8 Patentee before: ELECTRIC POWER RESEARCH INSTITUTE, GUANGDONG POWER GRID CO., LTD. Patentee before: Holley Metering Ltd. |