阅读说明：本技术 一种违规用电监控方法、装置及系统 (Illegal electricity utilization monitoring method, device and system ) 是由 钟良振 于 2021-03-25 设计创作，主要内容包括：本发明涉及一种违规用电监控方法、装置及系统,所述方法包括：测量表征电压信号,所述表征电压信号用以表征接入用户的电压；测量表征电流信号,所述表征电流信号用以表征用户将电器接入用电线路后线路的电流；根据所述表征电压信号和所述表征电流信号,确定电器的用电功率；当所述用电功率瞬时增量超出设定的功率范围,向远程服务器发送报警信息。本发明技术方案,相比现有人工巡查的方式,可以降低人工工作量,并提高集体场所中违规用电监控的实时性和准确性。(The invention relates to a method, a device and a system for monitoring illegal power utilization, wherein the method comprises the following steps: measuring a characterization voltage signal, the characterization voltage signal being used to characterize a voltage of an access subscriber; measuring a characterization current signal, wherein the characterization current signal is used for characterizing the current of a line after a user connects an electric appliance into a power line; determining the power consumption of the electric appliance according to the characterization voltage signal and the characterization current signal; and when the instantaneous increment of the power consumption exceeds a set power range, sending alarm information to a remote server. Compared with the existing manual inspection mode, the technical scheme of the invention can reduce the manual workload and improve the real-time performance and the accuracy of illegal power utilization monitoring in a collective place.)

1. A method for monitoring illegal electricity utilization is characterized by comprising the following steps:

measuring a characterization voltage signal, wherein the characterization voltage signal is used for characterizing the line voltage of an access user;

measuring a characterization current signal, wherein the characterization current signal is used for characterizing the current flowing through the power line after the user connects the electric appliance into the power line;

determining the power consumption of the power consumption line according to the characterization voltage signal and the characterization current signal;

and when the instantaneous increment of the power consumption exceeds a set power range, sending alarm information to a remote server.

2. The method for monitoring illegal use of electricity according to claim 1, characterized in that the step of measuring a characteristic voltage signal comprises:

and converting the line voltage signal into a measurable small signal by using a divider resistor or a voltage transformer, and taking the measured small signal as a representation voltage signal.

3. The method for monitoring for illegal use of electricity according to claim 1, characterized in that said step of measuring a representative current signal comprises:

a current signal of a line after an electric appliance is connected to a power line is converted into a measurable small signal by a current divider or a current transformer, and the measured small signal is used as a representation current signal.

4. The illegal electricity utilization monitoring method according to any one of claims 1 to 3, wherein the step of determining the electricity utilization power of the electric appliance according to the characterization voltage signal and the characterization current signal comprises:

and performing operation on the characterization voltage signal and the characterization current signal by using a multiplication operation circuit, and performing linear processing on the characterization actual voltage and the characterization actual current to obtain the actual power consumption of the electric appliance.

5. The illegal power utilization monitoring method according to claim 4, wherein the step of sending alarm information to a remote server when the instantaneous increment of the power utilization power exceeds a set power range comprises the following steps:

when the instantaneous increment of the power consumption exceeds a set power range, an MCU is utilized to send a pulse signal to an NB-IoT module of the Internet of things, and the NB-IoT module of the Internet of things sends alarm information to a remote server so that the remote server can send the alarm information to at least one connected mobile terminal.

6. The illegal power utilization monitoring method according to claim 5, wherein the power utilization line ID corresponds to the ID number of the NB-IoT module of the Internet of things one by one, and alarm information sent by the NB-IoT module of the Internet of things to a remote server carries the ID number of the NB-IoT module of the Internet of things.

7. An electricity consumption violation monitoring device, comprising:

the voltage measurement circuit is used for measuring a representation voltage signal which is used for representing the line voltage of an access user;

the current measuring circuit is used for measuring a representation current signal which is used for representing the current of a line after a user connects an electric appliance into a power line;

the multiplier circuit is respectively connected with the voltage measuring circuit and the current measuring circuit and used for determining the power consumption of the electric appliance according to the representation voltage signal and the representation current signal;

and the micro-processing unit is connected with the multiplier circuit, is connected with the Internet of things communication module and is used for sending alarm information to the Internet of things communication module after the fact that the instantaneous increment of the power utilization exceeds a set power range is judged, so that the Internet of things communication module can send the alarm information to a remote server.

8. The illegal electricity utilization monitoring device according to claim 7, wherein the voltage measuring circuit converts a line voltage signal into a measurable small signal by using a voltage dividing resistor or a voltage transformer, and takes the measured small signal as a characterization voltage signal;

the current measuring circuit converts a current signal of a line after an electric appliance is connected to a power line into a measurable small signal by using a current divider or a current transformer, and takes the measured small signal as a representation current signal;

and the multiplier circuit is used for operating the representation voltage signal and the representation current signal by using a multiplication circuit and then performing linear processing on representation actual voltage and current to obtain the actual power consumption of the electric appliance.

9. The illegal electricity utilization monitoring device according to claim 8, wherein the micro-processing unit is used for sending a pulse signal to the internet of things communication module as alarm information when the electricity utilization power exceeds a set increase range;

the internet of things communication module is specifically an internet of things terminal NB-IoT module.

10. The illegal electricity utilization monitoring system is characterized by comprising at least one illegal electricity utilization monitoring device, a remote server and at least one mobile terminal connected with the remote server;

any one illegal electricity utilization monitoring device is used for monitoring the electricity utilization condition of an electricity utilization line in a collective place and sending alarm information to a remote server after illegal electricity utilization is detected, and the illegal electricity utilization monitoring device is the illegal electricity utilization monitoring device according to any one of claims 7 to 9;

the remote server is used for sending alarm information to the connected at least one mobile terminal, and the alarm information carries the ID of the illegal power utilization circuit.

Technical Field

The invention relates to power utilization management, in particular to a method, a device and a system for monitoring illegal power utilization.

Background

In modern daily life, electric energy is an indispensable resource. By using the electric energy, various living electric appliances can be operated, thereby providing convenience for the life of people. However, the electric energy cannot be safely used due to various reasons, and various safety accidents may also be caused. Thus, there is a need for monitoring and managing electricity safety, particularly for strengthening electricity safety management in collective sites.

The student dormitory is a typical collective place and belongs to a centralized area of electricity utilization. Since a fire accident of the electrical appliance may be caused by illegal electricity utilization of some students, for example, a phenomenon of using a high-power electrical appliance, it is necessary to monitor whether the students use the illegal electricity utilization.

The inventor of this application discovers in research that the power consumption control of violating the regulations in current collective place mostly adopts the mode of artifical inspection of patrolling, for example at student's dormitory, whether each dormitory inspection of patrolling through the dormitory administrator has the high-power electrical apparatus of violating the regulations and using, has that the inspection work load is big, the real-time is poor, leak hunting check the problem that the condition is many.

Disclosure of Invention

In order to solve the problems, the invention provides a method, a device and a system for monitoring illegal power utilization.

In order to achieve the purpose, the invention provides the following technical scheme:

one aspect of the embodiments of the present invention provides a method for monitoring illegal power consumption, including:

measuring a characterization voltage signal, wherein the characterization voltage signal is used for characterizing the voltage of a power line connected to a user;

measuring a characterization current signal, wherein the characterization current signal is used for characterizing the current flowing through the power line after the user connects the electric appliance into the power line;

determining the real-time power consumption of the user according to the characterization voltage signal and the characterization current signal;

and when the power utilization power exceeds a set power increase value, sending alarm information to a remote server.

In one embodiment of the present invention, the step of measuring the characterization voltage signal comprises:

and converting the voltage signal of the power line into a small signal suitable for processing by using a divider resistor or a voltage transformer, and taking the small signal obtained by measurement as a characterization voltage signal.

In one embodiment of the present invention, the step of measuring the characteristic current signal comprises:

a current divider or a current transformer is used for converting a current signal of an electric appliance connected to a power line into a signal suitable for processing, and a small signal obtained by measurement is used as a representation current signal.

In one embodiment of the present invention, the step of determining the power consumption of the electrical appliance according to the characterization voltage signal and the characterization current signal comprises:

and calculating the representation voltage signal and the representation current signal by using a multiplier circuit, and then performing linear processing on the representation actual voltage and current to obtain the power consumption of the subscriber line.

In one embodiment of the present invention, the step of sending alarm information to a remote server when the instantaneous line power increase value exceeds a set range includes:

when an electric appliance exceeding a set power range is connected to the circuit, the MCU is utilized to send a pulse signal to the NB-IoT module, and the NB-IoT module sends alarm information to the remote server so that the remote server can send the alarm information to at least one connected mobile terminal.

In an embodiment of the present invention, the ID of the power utilization line corresponds to the ID number of the NB-IoT module of the internet of things one to one, and the alarm information sent by the NB-IoT module of the internet of things to the remote server carries the ID number of the NB-IoT module of the internet of things.

Another aspect of an embodiment of the present invention provides a device for monitoring illegal power utilization, including:

the voltage measurement circuit is used for measuring a characterization voltage signal which is used for characterizing the voltage of a power line connected to a user;

the current measuring circuit is used for measuring a characterization current signal which is used for characterizing the current flowing through the power line after the user connects the electric appliance into the power line;

the multiplier circuit is respectively connected with the voltage measuring line and the current measuring line and used for determining the real-time power consumption of a user according to the representation voltage signal and the representation current signal;

and the micro-processing unit is connected with the multiplier circuit and the Internet of things communication module and used for judging whether the power of the accessed single electric appliance exceeds a set power range or not, and if the power exceeds the set power range, the micro-processing unit sends alarm information to the Internet of things communication module so that the Internet of things communication module can send the alarm information to a remote server.

In one embodiment of the present invention, the voltage measurement circuit converts the voltage signal of the power line into a small signal suitable for processing by a subsequent multiplier by using a voltage dividing resistor or a voltage transformer, and uses the small signal obtained by measurement as a representative voltage signal;

the current measuring circuit converts a current signal of an electric appliance connected to a power utilization line into a signal suitable for processing by a subsequent multiplier by using a current divider or a current transformer, and takes a small signal obtained by measurement as a representation current signal;

and the multiplier circuit is used for operating the representation voltage signal and the representation current signal by using a multiplication circuit and then performing linear processing on representation actual voltage and current to obtain the power consumption of the subscriber line.

In one embodiment of the invention, the micro-processing unit sends a pulse signal to the internet of things communication module as alarm information when the electric power of the accessed single electric appliance exceeds a set power range at any moment;

the internet of things communication module is specifically an internet of things terminal NB-IoT module.

The embodiment of the invention also provides a system for monitoring illegal power utilization, which comprises at least one illegal power utilization monitoring device, a remote server and at least one mobile terminal connected with the remote server;

any one illegal electricity utilization monitoring device is used for monitoring the electricity utilization condition of an electric line in a collective place, and sending alarm information to a remote server after illegal electricity utilization is detected, wherein the illegal electricity utilization monitoring device is the illegal electricity utilization monitoring device in the embodiment;

the remote server is used for sending alarm information to the connected at least one mobile terminal, and the alarm information carries the ID of the illegal power utilization circuit.

According to the illegal electricity utilization monitoring method, the device and the system provided by the embodiment of the invention, after the electric appliance is connected to the electricity utilization line by a user, the characterization voltage signal for characterizing the voltage of the electric appliance is measured, the characterization current signal for characterizing the current of the electric appliance is measured, the electricity utilization power of the electric appliance is determined according to the characterization voltage signal and the characterization current signal, and when the electric power of the electric appliance connected at any moment exceeds the set power range, the alarm information is sent to the remote server, so that compared with the prior art, the workload of manpower is reduced, and the real-time performance and the accuracy of illegal electricity utilization monitoring in a collective place are improved.

Drawings

Fig. 1 is a schematic block diagram of an illegal electricity utilization monitoring device according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a connection structure of an illegal electricity utilization monitoring system provided in an embodiment of the present invention;

fig. 3 is a schematic flow chart of an illegal electricity utilization monitoring method provided in an embodiment of the present invention.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. It should be noted that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work based on the embodiments of the present invention belong to the protection scope of the present invention.

In the description herein, it is to be understood that the terms "upper," "lower," "left," "right," and the like are used in an orientation or positional relationship merely for convenience in description and simplicity of operation, and do not indicate or imply that the referenced device or element must have a particular orientation, configuration, and operation in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used merely for descriptive purposes and are not intended to have any special meaning.

In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

Example one

Referring to fig. 1, in a first embodiment of the present invention, an illegal power utilization monitoring device (in this embodiment, simply referred to as a device) is provided. The device can monitor the power utilization condition of a certain power line. Specifically, the power line is particularly specific to a certain power line in a collective place, and the collective place can be but is not limited to a student dormitory. Taking a college student dormitory as an example, a fixed number of people usually live in a dormitory, such as "great newborn dormitory 1045", "great three students 3199", and so on, and each dormitory is usually equipped with a corresponding distribution box when the electric energy usage is managed centrally. The violation power consumption monitoring device in this embodiment can but not be limited to and uses with the block terminal cooperation to can monitor the block terminal in real time, also realized whether monitoring the high-power electrical apparatus of violation is used to the students' dormitory.

As shown in fig. 1, the illegal electricity utilization monitoring device of the present embodiment includes a voltage measuring circuit 101, a current measuring circuit 102, a multiplier circuit 103, a micro-processing unit 104, and an internet of things communication module 105. Wherein the multiplier circuit 103 is connected to the voltage measuring circuit 101 and the current measuring circuit 102, respectively. The microprocessing unit 104 is connected with the multiplier circuit 103 and the internet of things communication module 105.

The voltage measurement circuit 101 in this embodiment is used to measure the characterization voltage signal. The characterization voltage signal is used for characterizing the accessed circuit voltage. Usually, the power line in the corporate site is also a mains circuit, whose voltage specification is for example 220V. The voltage measuring circuit 101 in this embodiment inevitably includes a necessary voltage conversion module, which converts the voltage of the utility power specification into a small voltage convenient to be measured by an electronic technology method, and the value of the small voltage is 3.3-5V. The voltage conversion module can be a divider resistor or a voltage transformer and the like.

The current measurement circuit 102 in this embodiment is configured to measure a characteristic current signal, where the characteristic current signal is used to characterize a current of a line after a user connects an electrical appliance to a power line. Similarly, the current measurement circuit 102 includes necessary current transformers, such as current dividers or current transformers, to convert the larger current signal into a smaller current signal that is easy to measure.

The multiplier circuit 103 of this embodiment performs operation on the characterization voltage signal and the characterization current signal by using a multiplication circuit, and then performs linear processing on the characterization actual voltage and current to obtain the actual power consumption of the electrical appliance.

And the micro-processing unit 104 is used for comparing the power consumption of the electric appliance with the stored set function value, and sending alarm information to the Internet of things communication module once detecting that the electric appliance is connected to the line within the power range exceeding the set value.

And the Internet of things communication module is used for sending alarm information to the connected remote server. It is easy to understand that the communication module of the internet of things corresponds to the power consumption circuits one by one, so that after the communication module of the internet of things sends out alarm information, the remote server can know which power consumption circuit has the condition of illegal power consumption.

In this embodiment, the internet of things communication module, specifically, the NB-IoT module at the internet of things end, has the advantages of long communication distance, wide coverage, low power consumption, and low cost compared with other wireless connection methods, such as bluetooth and Zigbee methods. In this embodiment, when the micro processing unit 104 sends the alarm information to the NB-IoT module of the internet of things, the alarm may be implemented by using one pulse signal, and when the NB-IoT module of the internet of things sends the alarm information to the remote server, the NB-IoT module of the internet of things carries the ID number of the NB-IoT module of the internet of things.

Therefore, the illegal electricity utilization monitoring device is matched with a certain electric circuit for use, and the illegal electricity utilization condition of the electric circuit can be monitored in real time.

Example two

Referring to fig. 2, the second embodiment of the present invention is provided. In the present embodiment, an illegal power consumption monitoring system (the present embodiment is simply referred to as a system) is provided. Specifically, the system comprises at least one illegal electricity utilization monitoring device, a remote server and at least one mobile terminal connected to the remote server.

Specifically, the number of the illegal electricity utilization monitoring devices in the system should be consistent with the number of the electricity utilization lines in the collective place, and only 3 illegal electricity utilization monitoring devices are schematically drawn in the embodiment. In addition, in this embodiment, only the illegal power utilization monitoring device is used in cooperation with the distribution box corresponding to each power utilization circuit as an example, and of course, the illegal power utilization monitoring device in this embodiment may also be used in cooperation with other electric devices, for example, the illegal power utilization monitoring device may be directly used in cooperation with a socket or other devices in the power utilization circuit, and this embodiment is not repeated in too many cases.

The structure and principle of the illegal electricity utilization monitoring device in the present embodiment can be referred to the description in the first embodiment. The method and the device have the effects that the corresponding power utilization circuit is monitored, when the power utilization of the power utilization circuit exceeds a set range, the alarm information is sent to the remote server, and then the remote server sends the alarm information to the connected at least one mobile terminal. It is easy to understand that the power line ID, the illegal power utilization monitoring device and the NB-IoT modules in the internet of things correspond to each other one to one.

EXAMPLE III

Referring to fig. 3, a method for monitoring illegal power utilization is provided according to an embodiment of the present invention. Specifically, the process of the method comprises the following steps:

step 301, measuring a characterization voltage signal, wherein the characterization voltage signal is used for characterizing the voltage of a power line;

step 302, measuring a characterization current signal, wherein the characterization current signal is used for characterizing the current of a line after a user connects an electric appliance into a power line;

step 303, determining the power consumption of the electric appliance according to the characterization voltage signal and the characterization current signal;

and step 304, when the power utilization power exceeds a set power range, sending alarm information to a remote server.

In one embodiment of the invention, the step of measuring the characterizing voltage signal comprises:

line voltage signals are converted into small signals which are easy to measure by using a divider resistor or a voltage transformer and the like, and the small signals obtained by measurement are used as representation voltage signals.

In one embodiment of the invention, the step of measuring the characterizing current signal comprises:

a line current signal after an electric appliance is connected to a power line is converted into a signal which is easy to measure by a current divider or a current transformer, and a small signal obtained by measurement is used as a representation current signal.

In an embodiment of the present invention, the step of determining the actual power usage of the line according to the characterization voltage signal and the characterization current signal comprises:

and performing operation on the characterization voltage signal and the characterization current signal by using a multiplication operation circuit, and performing linear processing on the characterization actual voltage and the characterization actual current to obtain the actual power consumption of the line.

In an embodiment of the present invention, the step of sending an alarm message to a remote server when the increment of the power consumption at a certain time exceeds a set power value includes:

when the power utilization increment exceeds a set value, an MCU is utilized to send a pulse signal to an NB-IoT module of the Internet of things, and the NB-IoT module of the Internet of things sends alarm information to a remote server so that the remote server can send the alarm information to at least one connected mobile terminal.

In an embodiment of the present invention, the ID of the power utilization line corresponds to the ID number of the NB-IoT module of the internet of things one to one, and the alarm information sent by the NB-IoT module of the internet of things to the remote server carries the ID number of the NB-IoT module of the internet of things.

According to the illegal electricity utilization monitoring method, the device and the system provided by the embodiment of the invention, after the electric appliance is connected to the electricity utilization line by a user, the characterization voltage signal for characterizing the voltage of the electric appliance is measured, the characterization current signal for characterizing the current of the electric appliance is measured, the electricity utilization power of the line is determined according to the characterization voltage signal and the characterization current signal, and when the instantaneous increment of the electric power for the line exceeds a set value, the alarm information is sent to the remote server, so that compared with the existing method, the labor workload is reduced, and the real-time performance and the accuracy of illegal electricity utilization monitoring are improved.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be appropriately combined to form other embodiments as will be appreciated by those skilled in the art.

In summary, the above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims. As mentioned above, the present invention can be further modified and several modifications and refinements without departing from the principle of the present device should be considered as the protection scope of the present invention.