阅读说明：本技术 一种共享用电计量装置及防窃电方法 (Shared electricity metering device and electricity larceny prevention method ) 是由 沈鑫 熊峻 谭太洋 余恒洁 赵毅涛 刘兴龙 王坚娟 何明星 康立伟 张益鸣 漆辉 于 2020-12-10 设计创作，主要内容包括：本发明涉及共享用电计量装置包括多用户分时用电功能模块、无负荷自动断电功能模块、扫码用电功能模块、窃电识别功能模块、三相不平衡识别功能模块；还涉及防窃电方法：当所述共享用电计量装置处于空闲状态时,用户能开始用电,用电结束后,通过第二次操作结束用电,共享用电计量装置执行本地结算,扣费结束后,另外一个用户重新开始用电；通过软件设置无负荷通电状态运行时间和负荷电流限值,共享用电三相计量装置自动判断是否达到无负荷状态；扫描一下所述共享用电计量装置的二维码地址或者资产管理编码,即可开始用电或者结束用电；当无户主用电时,能够自动断电,并形成告警记录；通过判断三相电流是否相等,来判断三相负载是否平衡。(The invention relates to a shared electricity consumption metering device, which comprises a multi-user time-sharing electricity consumption functional module, a no-load automatic power-off functional module, a code scanning electricity consumption functional module, an electricity stealing identification functional module and a three-phase unbalance identification functional module; also relates to a method for preventing electricity stealing: when the shared electricity consumption metering device is in an idle state, a user can start to consume electricity, after the electricity consumption is finished, the electricity consumption is finished through the second operation, the shared electricity consumption metering device executes local settlement, and after the deduction is finished, another user restarts to consume electricity; setting the operation time of a no-load power-on state and a load current limit value through software, and automatically judging whether the no-load state is achieved by the shared power utilization three-phase metering device; scanning the two-dimensional code address or the asset management code of the shared electricity metering device, and then starting or ending electricity utilization; when no main user uses electricity, the power can be automatically cut off, and an alarm record is formed; and judging whether the three-phase load is balanced or not by judging whether the three-phase currents are equal or not.)

1. A shared electricity consumption metering device is characterized in that: the system comprises a multi-user time-sharing power utilization function module, a no-load automatic power-off function module, a code scanning power utilization function module, a power stealing identification function module and a three-phase imbalance identification function module;

the multi-user time-sharing electricity utilization function module is used for enabling a user to start electricity utilization when the shared electricity utilization metering device is in an idle state, finishing electricity utilization through second operation after the electricity utilization is finished, executing local settlement by the shared electricity utilization metering device, and restarting electricity utilization by another user after the charge deduction is finished;

the no-load automatic power-off function module is used for setting the no-load power-on state running time and the load current limit value through software, and the shared electricity utilization three-phase metering device automatically judges whether the no-load state is achieved or not;

the code scanning electricity utilization function module is used for scanning the two-dimensional code address or the asset management code of the shared electricity utilization metering device, and then electricity utilization can be started or ended;

the electricity stealing identification function module is used for automatically cutting off the power supply and forming an alarm record when no user is mainly using electricity;

and the three-phase unbalance identification functional module is used for judging whether the three-phase load is balanced or not by judging A, B, C whether the three-phase currents are equal or not.

2. The shared electricity metering device and the electricity larceny prevention method according to claim 1, wherein: the no-load automatic power-off function module has the following specific functions:

the method comprises the steps of collecting the current value of a connected load in real time through ATT7026E, judging whether the three-phase current is in an idle state, and when the collected A-phase current, B-phase current and C-phase current are 0 and the no-load operation duration is met, so that the shared electricity utilization three-phase metering device is automatically powered off, and when a user forgets to finish electricity utilization, other users continue to use the device, and the electricity fee of the previous user is misused.

3. The shared electricity metering device and the electricity larceny prevention method according to claim 1, wherein: the code scanning electricity utilization functional module is specifically used for scanning a two-dimensional code on a shared electricity utilization three-phase metering device through a mobile phone APP, issuing an electricity utilization starting instruction, automatically switching on after receiving the electricity utilization starting instruction, and simultaneously starting a metering and charging function; when the electricity consumption is finished, the user clicks the client APP to finish the electricity consumption, the end electricity consumption instruction is issued to the code electricity consumption function module, the code electricity consumption function module is swept to disconnect the load switch, the electricity consumption fee is settled at the time, the electricity consumption amount is fed back to the system main station, and the user account is deducted.

4. The shared electricity metering device and the electricity larceny prevention method according to claim 1, wherein: the electricity stealing identification function module is specifically used for automatically generating electricity utilization records when electricity utilization is started or ended every time, automatically generating record which is not ended when electricity utilization is not normally ended, and prompting a customer to finish the last electricity utilization to form a complete electricity utilization record when the user starts to utilize electricity next time so as to allow the user to continue to scan code electricity utilization; if no user starts to use electricity, when the electricity is forcibly started, an abnormal electricity utilization warning event is automatically generated and uploaded to the master station system, and the starting time of the abnormal electricity utilization is recorded, so that operation and maintenance personnel can conveniently process the abnormal electricity utilization event in time.

5. A method for preventing electricity theft by using the shared electricity consumption metering device of claims 1-4, comprising the following steps:

when the shared electricity consumption metering device is in an idle state, a user can start to consume electricity, after the electricity consumption is finished, the electricity consumption is finished through the second operation, the shared electricity consumption metering device executes local settlement, and after the deduction is finished, another user restarts to consume electricity;

setting the operation time of a no-load power-on state and a load current limit value through software, and automatically judging whether the no-load state is achieved by the shared power utilization three-phase metering device;

scanning the two-dimensional code address or the asset management code of the shared electricity metering device, and then starting or ending electricity utilization;

when no main user uses electricity, the power can be automatically cut off, and an alarm record is formed;

whether the three-phase load is balanced is determined by determining A, B, C whether the three-phase currents are equal.

6. The method of preventing electricity theft according to claim 5, wherein: the specific mode that the operating time and the load current limit value of the no-load power-on state are set through software and the shared electricity three-phase metering device automatically judges whether the no-load state is achieved is as follows:

the method comprises the steps of collecting the current value of a connected load in real time through ATT7026E, judging whether the three-phase current is in an idle state, and when the collected A-phase current, B-phase current and C-phase current are 0 and the no-load operation duration is met, so that the shared electricity utilization three-phase metering device is automatically powered off, and when a user forgets to finish electricity utilization, other users continue to use the device, and the electricity fee of the previous user is misused.

7. The method of preventing electricity theft according to claim 5, wherein: the specific manner that the power utilization can be started or ended by scanning the two-dimensional code address or the asset management code of the shared power utilization metering device is as follows:

scanning a two-dimensional code on a sharing electricity utilization three-phase metering device through a mobile phone APP, issuing an electricity utilization starting instruction, automatically switching on after a code scanning electricity utilization functional module receives the electricity utilization starting instruction, and simultaneously starting a metering and charging function; when the electricity consumption is finished, the user clicks the client APP to finish the electricity consumption, the end electricity consumption instruction is issued to the code electricity consumption function module, the code electricity consumption function module is swept to disconnect the load switch, the electricity consumption fee is settled at the time, the electricity consumption amount is fed back to the system main station, and the user account is deducted.

8. The method of preventing electricity theft according to claim 5, wherein: when no main electricity is used, the power can be automatically cut off, and the specific mode of forming the alarm record is as follows:

the method comprises the steps that a power utilization record is automatically generated every time power utilization is started or ended, a record which is not ended is automatically generated under the condition that the power utilization is not normally ended, and when the user starts to utilize the power next time, the user is prompted to end the last power utilization to form a complete power utilization record, so that the user can be allowed to continue to scan the code power utilization; if no user starts to use electricity, when the electricity is forcibly started, an abnormal electricity utilization warning event is automatically generated and uploaded to the master station system, and the starting time of the abnormal electricity utilization is recorded, so that operation and maintenance personnel can conveniently process the abnormal electricity utilization event in time.

Technical Field

The invention relates to a shared electricity metering device and an electricity larceny prevention method, and belongs to the technical field of power equipment.

Background

In recent years, a series of policies are issued by the nation to encourage the development of the shared economy, support and encourage conditional industries and regions to try first, fully play the role of demonstration and guidance and promote the development of the shared economy. Under the support of national policies, public transportation industries such as shared bicycle and shared automobile obtain better economic benefits. However, a shared electricity metering device is not available in public places, and electricity consumers have the problems of difficult electricity utilization and high electricity utilization in scenes such as mobile phone charging, trolley charging, electric power consumption of a stall, agricultural irrigation and the like. Through studying the shared electricity metering device, install the shared electricity metering device in public place, the user only needs the mode of punching the card or sweeping the sign indicating number can the power consumption, effectively solves the problem that public regional power consumption is difficult, the power consumption is expensive.

Disclosure of Invention

The invention provides a shared electricity metering device and an electricity stealing prevention method, which are used for solving the problem of difficult electricity utilization in public areas. In addition, because the device is installed in a public area, the electricity utilization state of the device is detected in real time by formulating an anti-electricity-stealing analysis method, and the safe and reliable operation of the shared electricity utilization metering device is ensured.

On one hand, the invention provides a shared electricity consumption metering device, which comprises a multi-user time-sharing electricity consumption functional module, a no-load automatic power-off functional module, a code scanning electricity consumption functional module, an electricity stealing identification functional module and a three-phase unbalance identification functional module;

the multi-user time-sharing electricity utilization function module is used for enabling a user to start electricity utilization when the shared electricity utilization metering device is in an idle state, finishing electricity utilization through second operation after the electricity utilization is finished, executing local settlement by the shared electricity utilization metering device, and restarting electricity utilization by another user after the charge deduction is finished;

the no-load automatic power-off function module is used for setting the no-load power-on state running time and the load current limit value through software, and the shared electricity utilization three-phase metering device automatically judges whether the no-load state is achieved or not;

the code scanning electricity utilization function module is used for scanning the two-dimensional code address or the asset management code of the shared electricity utilization metering device, and then electricity utilization can be started or ended;

the electricity stealing identification function module is used for automatically cutting off the power supply and forming an alarm record when no user is mainly using electricity;

and the three-phase unbalance identification functional module is used for judging whether the three-phase load is balanced or not by judging A, B, C whether the three-phase currents are equal or not.

Further, the no-load automatic power-off function module has the following specific functions:

the method comprises the steps of collecting the current value of a connected load in real time through ATT7026E, judging whether the three-phase current is in an idle state, and when the collected A-phase current, B-phase current and C-phase current are 0 and the no-load operation duration is met, so that the shared electricity utilization three-phase metering device is automatically powered off, and when a user forgets to finish electricity utilization, other users continue to use the device, and the electricity fee of the previous user is misused.

Further, the code scanning electricity utilization functional module is specifically used for scanning a two-dimensional code on the shared electricity utilization three-phase metering device through a mobile phone APP, issuing an electricity utilization starting instruction, automatically switching on after receiving the electricity utilization starting instruction, and starting a metering and charging function at the same time; when the electricity consumption is finished, the user clicks the client APP to finish the electricity consumption, the end electricity consumption instruction is issued to the code electricity consumption function module, the code electricity consumption function module is swept to disconnect the load switch, the electricity consumption fee is settled at the time, the electricity consumption amount is fed back to the system main station, and the user account is deducted.

Furthermore, the electricity stealing identification function module is specifically used for automatically generating electricity utilization records each time electricity utilization is started or ended, automatically generating record which is not ended under the condition that electricity utilization is not normally ended, and prompting a customer to finish the last electricity utilization to form a complete electricity utilization record when the user starts to utilize electricity next time, so that the user can be allowed to continue to scan code electricity utilization; if no user starts to use electricity, when the electricity is forcibly started, an abnormal electricity utilization warning event is automatically generated and uploaded to the master station system, and the starting time of the abnormal electricity utilization is recorded, so that operation and maintenance personnel can conveniently process the abnormal electricity utilization event in time.

On the other hand, the invention provides a method for preventing electricity stealing by using the shared electricity metering device, which comprises the following steps:

when the shared electricity consumption metering device is in an idle state, a user can start to consume electricity, after the electricity consumption is finished, the electricity consumption is finished through the second operation, the shared electricity consumption metering device executes local settlement, and after the deduction is finished, another user restarts to consume electricity;

setting the operation time of a no-load power-on state and a load current limit value through software, and automatically judging whether the no-load state is achieved by the shared power utilization three-phase metering device;

scanning the two-dimensional code address or the asset management code of the shared electricity metering device, and then starting or ending electricity utilization;

when no main user uses electricity, the power can be automatically cut off, and an alarm record is formed;

whether the three-phase load is balanced is determined by determining A, B, C whether the three-phase currents are equal.

Further, the specific manner that the shared electricity three-phase metering device automatically judges whether the no-load state is reached or not by setting the no-load power-on state operation time and the load current limit value through software is as follows:

the method comprises the steps of collecting the current value of a connected load in real time through ATT7026E, judging whether the three-phase current is in an idle state, and when the collected A-phase current, B-phase current and C-phase current are 0 and the no-load operation duration is met, so that the shared electricity utilization three-phase metering device is automatically powered off, and when a user forgets to finish electricity utilization, other users continue to use the device, and the electricity fee of the previous user is misused.

Further, the specific manner that the power utilization can be started or ended by scanning the two-dimensional code address or the asset management code of the shared power utilization metering device is as follows:

scanning a two-dimensional code on a sharing electricity utilization three-phase metering device through a mobile phone APP, issuing an electricity utilization starting instruction, automatically switching on after a code scanning electricity utilization functional module receives the electricity utilization starting instruction, and simultaneously starting a metering and charging function; when the electricity consumption is finished, the user clicks the client APP to finish the electricity consumption, the end electricity consumption instruction is issued to the code electricity consumption function module, the code electricity consumption function module is swept to disconnect the load switch, the electricity consumption fee is settled at the time, the electricity consumption amount is fed back to the system main station, and the user account is deducted.

Further, when no main user power is used, the power can be automatically cut off, and the specific way of forming the alarm record is as follows:

the method comprises the steps that a power utilization record is automatically generated every time power utilization is started or ended, a record which is not ended is automatically generated under the condition that the power utilization is not normally ended, and when the user starts to utilize the power next time, the user is prompted to end the last power utilization to form a complete power utilization record, so that the user can be allowed to continue to scan the code power utilization; if no user starts to use electricity, when the electricity is forcibly started, an abnormal electricity utilization warning event is automatically generated and uploaded to the master station system, and the starting time of the abnormal electricity utilization is recorded, so that operation and maintenance personnel can conveniently process the abnormal electricity utilization event in time.

The invention has the beneficial effects that:

(1) the shared electricity utilization three-phase metering device supports a multi-user time-sharing electricity utilization function and solves the problem that the traditional metering device only allows one user to utilize electricity;

(2) the shared electricity utilization three-phase metering device has a no-load automatic power-off function, monitors the state of an electricity utilization load in real time, and can automatically power off the electricity utilization load when the electricity utilization load is not used for time, so that the loss of the amount of electricity utilization is avoided;

(3) the sharing power utilization three-phase metering device has a code scanning power utilization function, and a user can start power utilization or end power utilization only by scanning a two-dimensional code address or an asset management code of the device.

(4) The shared electricity utilization three-phase metering device has an electricity stealing identification function, and can automatically cut off electricity and form an alarm record when no user owner uses electricity.

(5) The utility model provides a sharing power consumption three-phase metering device has unbalanced three phase recognition function, when unusual to the three-phase load, can form the warning message automatically, and the auto-power-off avoids the load to damage when surpassing the certain limit value.

Drawings

FIG. 1 is a flow chart of time-sharing electricity utilization of a shared electricity utilization three-phase metering device according to the present invention;

FIG. 2 is a circuit for sampling the current of the sharing electricity utilization three-phase metering device during no-load power-off;

FIG. 3 is a flow chart of the code scanning power consumption of the present invention.

Detailed Description

Example 1: on one hand, the invention provides a shared electricity consumption metering device, which comprises a multi-user time-sharing electricity consumption functional module, a no-load automatic power-off functional module, a code scanning electricity consumption functional module, an electricity stealing identification functional module and a three-phase unbalance identification functional module;

the multi-user time-sharing electricity utilization function module is used for enabling a user to start electricity utilization when the shared electricity utilization metering device is in an idle state, finishing electricity utilization through second operation after the electricity utilization is finished, executing local settlement by the shared electricity utilization metering device, and restarting electricity utilization by another user after the charge deduction is finished; for shared power utilization scenes such as farmland irrigation and drainage, public rental houses, commercial blocks and the like, a user can cut off power utilization in a time-sharing manner, the problems that the metering device is only allowed to be used by one user and the charging subject is not clear are solved, and the detailed flow is shown in the following figure 1;

the no-load automatic power-off function module is used for setting the no-load power-on state running time and the load current limit value through software, and the shared electricity utilization three-phase metering device automatically judges whether the no-load state is achieved or not;

the code scanning electricity utilization function module is used for scanning the two-dimensional code address or the asset management code of the shared electricity utilization metering device, and then electricity utilization can be started or ended;

the electricity stealing identification function module is used for automatically cutting off the power supply and forming an alarm record when no user is mainly using electricity;

and the three-phase unbalance identification functional module is used for judging whether the three-phase load is balanced or not by judging A, B, C whether the three-phase currents are equal or not.

Further, the no-load automatic power-off function module has the following specific functions:

the method comprises the steps of collecting the current value of a connected load in real time through ATT7026E, judging whether the three-phase current is in an idle state, and when the collected A-phase current, B-phase current and C-phase current are 0 and the no-load operation duration is met, so that the shared electricity utilization three-phase metering device is automatically powered off, and when a user forgets to finish electricity utilization, other users continue to use the device, and the electricity fee of the previous user is misused. The connection condition of the A-phase current sampling circuit is as follows: IAA + and IAA-are output ends of built-in transformers, R230 and R231 are sampling resistors, IAP and IAN are correspondingly connected with an interface of a metering chip ATT7026E, phase B and phase C current sampling circuits are similar to the phase A, and the current sampling circuit is shown in the following figure 2.

Further, the code scanning electricity utilization functional module is specifically used for scanning a two-dimensional code on the shared electricity utilization three-phase metering device through a mobile phone APP, issuing an electricity utilization starting instruction, automatically switching on after receiving the electricity utilization starting instruction, and starting a metering and charging function at the same time; when the electricity consumption is finished, the user clicks the client APP to finish the electricity consumption, the end electricity consumption instruction is issued to the code electricity consumption function module, the code electricity consumption function module is swept to disconnect the load switch, the electricity consumption fee is settled at the time, the electricity consumption amount is fed back to the system main station, and the user account is deducted.

Furthermore, the electricity stealing identification function module is specifically used for automatically generating electricity utilization records each time electricity utilization is started or ended, automatically generating record which is not ended under the condition that electricity utilization is not normally ended, and prompting a customer to finish the last electricity utilization to form a complete electricity utilization record when the user starts to utilize electricity next time, so that the user can be allowed to continue to scan code electricity utilization; if no user starts to use electricity, when the electricity is forcibly started, an abnormal electricity utilization warning event is automatically generated and uploaded to the master station system, and the starting time of the abnormal electricity utilization is recorded, so that operation and maintenance personnel can conveniently process the abnormal electricity utilization event in time.

On the other hand, the invention provides a method for preventing electricity stealing by using the shared electricity metering device, which comprises the following steps:

when the shared electricity consumption metering device is in an idle state, a user can start to consume electricity, after the electricity consumption is finished, the electricity consumption is finished through the second operation, the shared electricity consumption metering device executes local settlement, and after the deduction is finished, another user restarts to consume electricity;

setting the operation time of a no-load power-on state and a load current limit value through software, and automatically judging whether the no-load state is achieved by the shared power utilization three-phase metering device;

scanning the two-dimensional code address or the asset management code of the shared electricity metering device, and then starting or ending electricity utilization;

when no main user uses electricity, the power can be automatically cut off, and an alarm record is formed;

whether the three-phase load is balanced is determined by determining A, B, C whether the three-phase currents are equal.

Further, the specific manner that the shared electricity three-phase metering device automatically judges whether the no-load state is reached or not by setting the no-load power-on state operation time and the load current limit value through software is as follows:

the method comprises the steps of collecting the current value of a connected load in real time through ATT7026E, judging whether the three-phase current is in an idle state, and when the collected A-phase current, B-phase current and C-phase current are 0 and the no-load operation duration is met, so that the shared electricity utilization three-phase metering device is automatically powered off, and when a user forgets to finish electricity utilization, other users continue to use the device, and the electricity fee of the previous user is misused.

Further, the specific manner that the power utilization can be started or ended by scanning the two-dimensional code address or the asset management code of the shared power utilization metering device is as follows:

scanning a two-dimensional code on a sharing electricity utilization three-phase metering device through a mobile phone APP, issuing an electricity utilization starting instruction, automatically switching on after a code scanning electricity utilization functional module receives the electricity utilization starting instruction, and simultaneously starting a metering and charging function; when the electricity consumption is finished, the user clicks the client APP to finish the electricity consumption, the end electricity consumption instruction is issued to the code electricity consumption function module, the code electricity consumption function module is swept to disconnect the load switch, the electricity consumption fee is settled at the time, the electricity consumption amount is fed back to the system main station, and the user account is deducted. The detailed flow is shown in fig. 3 below.

Further, when no main user power is used, the power can be automatically cut off, and the specific way of forming the alarm record is as follows:

the method comprises the steps that a power utilization record is automatically generated every time power utilization is started or ended, a record which is not ended is automatically generated under the condition that the power utilization is not normally ended, and when the user starts to utilize the power next time, the user is prompted to end the last power utilization to form a complete power utilization record, so that the user can be allowed to continue to scan the code power utilization; if no user starts to use electricity, when the electricity is forcibly started, an abnormal electricity utilization warning event is automatically generated and uploaded to the master station system, and the starting time of the abnormal electricity utilization is recorded, so that operation and maintenance personnel can conveniently process the abnormal electricity utilization event in time.

While the present invention has been described in detail with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.