CN-121984682-A - Anti-uncovering misoperation brake-pulling control method suitable for split type electric energy meter

CN121984682ACN 121984682 ACN121984682 ACN 121984682ACN-121984682-A

Abstract

The invention relates to the technical field of electric energy meters, in particular to an anti-uncovering misoperation brake-pulling control method suitable for a split electric energy meter. The method comprises the steps of S1, generating an instruction Token code for prohibiting uncovering detection according to a preset algorithm, S2, inputting the instruction Token code through a user display and interaction unit and sending the Token code to an electric energy meter, S3, decoding and verifying the electric energy meter after receiving the instruction Token code, comparing decoded information with prestored verification information, S4, if the comparison is passed, temporarily closing the uncovering detection function of the electric energy meter, performing uncovering operation and maintenance operation by an operation and maintenance person during closing of the uncovering detection function, and S5, after the operation and maintenance operation is completed, recovering the uncovering detection function by the electric energy meter based on reset logic operation. The method can solve the problem that the user use is affected by opening the cover to trigger the switch during operation and maintenance of the existing split type prepaid electric energy meter, and improves the operation and maintenance convenience on the premise of not weakening the electricity larceny prevention effect.

Inventors

WANG YONGSHENG
ZHANG YUQING
DING ZUOMING
JIANG RUIHAN
ZHANG YIBO
ZENG LIHUA
YUAN WEI
Shi Chongfan
LI WEI

Assignees

杭州海兴电力科技股份有限公司
深圳和兴电力科技有限公司
广东和兴电力科技有限公司
海南海兴国际科技发展有限公司
宁波恒力达科技有限公司

Dates

Publication Date: 20260505
Application Date: 20251211

Claims (10)

1. The method for controlling the anti-uncovering false brake-pulling of the split type electric energy meter is characterized by comprising the following steps of: s1, generating an instruction Token code for prohibiting uncovering detection according to a preset algorithm; s2, inputting the command Token code through a user display and interaction unit, and sending the Token code to an electric energy meter; s3, decoding and verifying after the electric energy meter receives the instruction Token code, and comparing the decoded information with prestored verification information; s4, if the comparison is passed, the electric energy meter temporarily closes the uncovering detection function, and an operation and maintenance person performs uncovering operation and maintenance operation during the closing period of the uncovering detection function; and S5, after the operation and maintenance operation is finished, the electric energy meter resumes the cover opening detection function based on the reset logic operation.
2. The method for controlling the false opening of the split type electric energy meter according to claim 1, wherein the command Token code is generated based on a multi-parameter dynamic combination algorithm, the multi-parameter dynamic combination algorithm is generated based on a plurality of verification parameters, and the verification parameters comprise a time stamp, a Token code serial number, an electric energy meter unique identifier, a random number and a secret key.
3. The method for controlling the false opening of the split type electric energy meter according to claim 2, wherein the step of encrypting the combined verification parameters is further included when the command Token code is generated, specifically: Encrypting the parameter combination based on a symmetrical encryption or asymmetrical encryption mode, calculating a hash value of the parameter combination as a check bit, packaging the check bit and the encrypted parameter combination, and generating the instruction Token code.
4. The method for controlling the false release of the cover for the split electric energy meter according to claim 3, wherein the decoding verification comprises the steps of: The first stage is format and length verification, and whether the format, the check bit and the total length of the instruction Token code accord with preset standards or not is verified; The second level is decryption and parameter matching, the instruction Token code is decrypted based on a preset key, an electric energy meter unique identifier and a time stamp are extracted from the instruction Token code, whether the electric energy meter unique identifier is consistent with a meter number of the electric energy meter unique identifier or not is verified, and whether the time stamp is in an effective time window or not is verified; thirdly, verifying the authorization authority, extracting the authorization type in the instruction Token code, and confirming whether the instruction Token code is a standard maintenance command or not; and if the verification of any level is not passed, judging that the authorization is invalid, and discarding the instruction Token code.
5. The method for controlling the false opening of the split type electric energy meter according to claim 1, wherein the method for controlling the false opening of the split type electric energy meter further comprises the steps of old code re-transmission defending: a preset algorithm allocates a serial number of incremental arrangement when generating each instruction Token code; The electric energy meter circularly stores the serial number of the instruction Token code which passes the verification last time; When the electric energy meter receives a new instruction Token code, if the decoded serial number is smaller than or equal to the stored serial number, the instruction Token code is judged to be invalid.
6. The method for controlling the anti-uncovering false-release brake of the split type electric energy meter according to claim 1, wherein the method for controlling the anti-uncovering false-release brake of the split type electric energy meter further comprises an abnormal behavior interception step: And if the continuous number of times of the comparison failure is larger than or equal to the warning threshold value, sending a countdown locking instruction to the user display and interaction unit, and prohibiting an operator from inputting the instruction Token code again through the user display and interaction unit in a countdown time period.
7. The method for controlling the false release of the cover for the split-type electric energy meter according to claim 1, wherein in step S5, the reset logic operation comprises: The electric energy meter receives the recovery Token code sent by the user display and interaction unit and then recovers immediately; and after the cover opening detection function is closed, the electric energy meter automatically recovers when the time delay is up to the preset time length.
8. The method for controlling the false opening of the split type electric energy meter according to claim 4, wherein the method for controlling the false opening of the split type electric energy meter further comprises a safety log recording step: The electric energy meter automatically records the receiving time information, the decoding comparison result information, the decoding comparison failure reason information, the cover opening detection function closing/recovering time information and the abnormal behavior information of the instruction Token code.
9. The method for controlling the false opening of the split type electric energy meter according to claim 8, wherein the method for controlling the false opening of the split type electric energy meter further comprises the steps of monitoring and alarming: And the electric energy meter monitors whether the abnormal behavior information is updated and stored in the safety log in real time, if so, the abnormal behavior information is uploaded to an operation and maintenance platform center in real time, and an alarm prompt is generated and sent to the operation and maintenance platform center and a user mobile equipment end.
10. The split type electric energy meter comprises a control module, a cover opening detection module, a storage module and a communication module, and is characterized in that the control module is connected with the cover opening detection module, the storage module and the communication module, the communication module is also connected with an external user display and interaction unit and receives a command Token code sent by the external user display and interaction unit, and the control module is configured to execute the cover opening error brake opening prevention control method suitable for the split type electric energy meter.

Description

Anti-uncovering misoperation brake-pulling control method suitable for split type electric energy meter Technical Field The invention relates to the technical field of electric energy meters, in particular to an anti-uncovering misoperation brake-pulling control method suitable for a split electric energy meter. Background The split type prepaid electric energy meter is widely applied to the field of electric power metering and mainly comprises an electric energy meter main body arranged in an outdoor or public area meter box and a user display and interaction unit arranged in a user home. In order to prevent illegal electricity theft, the electric energy meter is generally internally provided with a relay and has the functions of open end cover detection and open meter box cover detection. When the electric energy meter detects that the cover body is opened, the electricity larceny prevention logic can be triggered, the control relay is immediately disconnected, power supply to a user is stopped, and power supply can be recovered after a professional of an electric power company clears the cover opening record. However, during actual operation, power operators often need to perform legal overhauling, maintenance or troubleshooting on the electric energy meter, and these operations inevitably need to open a meter cover or an electric energy meter end cover. In the prior art, legal operation and maintenance uncapping action can trigger an anti-electricity-theft protection mechanism, so that a relay is opened to cut off power, and the normal electricity consumption of a user is seriously influenced. This not only results in the user not being able to use electricity normally during operation and maintenance, severely affecting the user experience, but also increases the complexity of operation and maintenance work and the time cost of recovering power. Therefore, how to realize legal uncovering operation without power failure on the premise of ensuring that the electricity larceny prevention function of the electric energy meter is not weakened is a current urgent problem to be solved. Disclosure of Invention The invention aims to provide an anti-uncovering misoperation brake-pulling control method suitable for a split type electric energy meter, which can solve the problem that the uncovering trigger brake-pulling influences the use of a user when the existing split type prepaid electric energy meter is operated and maintained, and improves the operation and maintenance convenience on the premise of not weakening the electricity larceny prevention effect. In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: In a first aspect, the invention provides a method for controlling anti-uncovering false brake release of a split type electric energy meter, which comprises the following steps: s1, generating an instruction Token code for prohibiting uncovering detection according to a preset algorithm; s2, inputting the command Token code through a user display and interaction unit, and sending the Token code to an electric energy meter; s3, decoding and verifying after the electric energy meter receives the instruction Token code, and comparing the decoded information with prestored verification information; s4, if the comparison is passed, the electric energy meter temporarily closes the uncovering detection function, and an operation and maintenance person performs uncovering operation and maintenance operation during the closing period of the uncovering detection function; and S5, after the operation and maintenance operation is finished, the electric energy meter resumes the cover opening detection function based on the reset logic operation. Preferably, the instruction Token code is generated based on a multi-parameter dynamic combination algorithm, and the multi-parameter dynamic combination algorithm is generated based on a plurality of verification parameters, wherein the verification parameters comprise a time stamp, a Token code serial number, a unique identifier of the electric energy meter, a random number and a secret key. Preferably, the method further includes the step of encrypting the combined verification parameters when the command Token code is generated, specifically: Encrypting the parameter combination based on a symmetrical encryption or asymmetrical encryption mode, calculating a hash value of the parameter combination as a check bit, packaging the check bit and the encrypted parameter combination, and generating the instruction Token code. As a preferred aspect of the present invention, the decoding verification includes three-stage verification steps: The first stage is format and length verification, and whether the format, the check bit and the total length of the instruction Token code accord with preset standards or not is verified; The second level is decryption and parameter matching, the instruction Token code is decrypted based on a pres