CN111381100A - External multifunctional non-invasive load recognition device for intelligent electric meter - Google Patents
External multifunctional non-invasive load recognition device for intelligent electric meter Download PDFInfo
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- CN111381100A CN111381100A CN202010092578.XA CN202010092578A CN111381100A CN 111381100 A CN111381100 A CN 111381100A CN 202010092578 A CN202010092578 A CN 202010092578A CN 111381100 A CN111381100 A CN 111381100A
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- module
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- leakage
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
- G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
- G01R22/061—Details of electronic electricity meters
- G01R22/063—Details of electronic electricity meters related to remote communication
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
- G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
- G01R22/061—Details of electronic electricity meters
- G01R22/068—Arrangements for indicating or signaling faults
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/26—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents
- H02H3/32—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
Abstract
The invention discloses an external multifunctional non-invasive load recognition device for an intelligent electric meter, which relates to the field of non-invasive load recognition and comprises the following modules: the system comprises a non-invasive load identification module, a fault prompter module, a leakage protector module, an electric shock early warning device module and a server module. The non-invasive load identification module is connected with the intelligent ammeter to realize load on-off identification and load fault identification, and a load fault identification result is transmitted to the fault prompter module; the fault prompter module is connected with the non-intrusive load identification module and used for alarming fault information; the leakage protector module is connected with the current transformer and the server module to find out the leakage condition in time; the electric shock early warning device module is connected with the leakage protector module and used for transmitting an electric shock early warning signal; and the server module remotely sends the load identification result and the electric leakage information to the user.
Description
Technical Field
The patent relates to the technical field of intelligent household appliances, in particular to a non-invasive load recognition device.
Background
At present, the load identification method includes an intrusive load identification method and a non-intrusive load identification method, and although the intrusive load identification method can accurately measure the power consumption of equipment, an ammeter or a sensor needs to be additionally arranged, so that the normal production and life of a user are affected, the cost is high, and the method is not suitable for comprehensive popularization. The non-intrusive power load identification is to decompose the total power consumption into power consumption of each electric device and monitor it. Compared with invasive load identification, the non-invasive load identification method can reduce cost and improve power quality.
At present, with the increase of household appliances, the probability of fault short circuit of the appliances is increased, so that when a fault occurs, the fault position needs to be located in time, and damage caused by the fault can be reduced by rapidly identifying the fault appliance. The increase of the household load can also cause the occurrence of an electric leakage event, and the electric shock problem caused by the electric leakage can bring harm to the electricity consumption of the user and even directly threaten the life of people. When the user is not at home, the user cannot know the household electricity utilization condition and the problems (faults and electric leakage) of electricity utilization at the first time, so that the user is inevitably lost.
In view of the above problems, the current non-invasive load recognition device can only recognize the load disconnection, so a multifunctional non-invasive load recognition device is needed.
Disclosure of Invention
Aiming at the defects of the prior art and aiming at achieving double targets of early discovery, early warning, early protection and electric appliance disconnection and fault short circuit identification of family faults and electric leakage behaviors, the invention provides an external multifunctional non-invasive load identification system of an intelligent electric meter, which comprises a non-invasive load identification module, a fault prompter module, an electric leakage protector module, an electric shock early warning device module and a server module.
The non-invasive load identification module comprises a characteristic detection module, a central processing unit module, a database module, a comparator module and a communication module. The invention realizes the identification of the fault short circuit and the on-off of the electric appliance at the same time, and the characteristic detection module provides the transient power parameter obtained in the central processing unit module; the central processor module records the power consumption parameters and the load on-off/fault identification results obtained from the intelligent electric meter; the database module stores a load on-off characteristic database and a load fault characteristic database; the comparator module compares the transient characteristic parameters obtained in the characteristic detection module with the characteristic data in the database to obtain the electrical appliance on-off/fault parameters with the closest parameters, and transmits the electrical appliance on-off/fault parameters to the central processing unit module; and the communication module transmits the obtained result to the server module and sends the result to the mobile phone of the user.
The fault prompter module comprises a control switch, a buzzer alarm, a light-emitting diode and an air switch; and alarming according to the fault identification result obtained by the non-invasive load identification module.
The leakage protector module comprises a current transformer, a leakage detection device, a power switch, a switch control device and a communication module, wherein the current transformer is respectively arranged on a live wire and a zero wire; the leakage detection device detects whether leakage current occurs or not according to current parameters obtained from the current transformer, and if the leakage current occurs, a leakage signal is transmitted to the switch control device to control the switch to be switched off; and the communication module transmits the obtained electric leakage condition to the server module.
The electric shock early warning device module comprises a remote switch device, a buzzer alarm and a communication module, the electric leakage protector module sends electric leakage information to a mobile phone of a user through a server module, the user controls the remote switch device to be closed through the communication module, and the alarm automatically gives an alarm.
The server module records the information of the non-invasive load identification module and the information of the leakage protector module and sends the information to the mobile phone of the user.
The invention has the advantages that: (1) the external non-invasive load identification system for the intelligent electric meter comprises a non-invasive load identification module, wherein the extraction of the transient characteristic parameters can not only realize the identification of the on-off of the electric appliance, but also quickly locate the fault electric appliance and transmit information to a user; (2) the invention relates to an external non-invasive load recognition device of an intelligent ammeter, which comprises a fault prompter, wherein when an electric appliance has a fault, the external non-invasive load recognition device gives an alarm; (3) the external non-invasive load recognition device for the intelligent electric meter comprises an electric leakage protector, wherein when an electric leakage phenomenon occurs to a user, a switch is controlled to be closed in time, and information is transmitted to the user; (4) the external non-invasive load recognition device for the intelligent ammeter comprises the electric shock early warning device, when the electric leakage phenomenon occurs to a user, the user can perform electric shock warning through remote control, and safety threats caused by pedestrians are avoided.
Drawings
Fig. 1 is a schematic diagram of an external non-invasive load identification device for an intelligent electric meter according to the present invention;
FIG. 2 is a flow chart of a non-intrusive load identification method proposed by the present invention;
fig. 3 is an internal structure diagram of the non-invasive load recognition apparatus according to the present invention.
Detailed Description
The invention is described in further detail below with reference to the figures and the detailed description.
Referring to the attached drawing 1, the invention provides an external multifunctional non-invasive load identification device of an intelligent electric meter, which comprises a non-invasive load identification module, a fault prompter module, an electric leakage protector module, an electric shock early warning device module and a communication module. The non-invasive load identification module comprises a characteristic detection module, a central processing unit module, a database module, a comparator module and a communication module. The method specifically comprises the following steps:
(1) the database module firstly establishes and stores a load on-off transient power parameter database and a load fault transient power parameter database;
(2) the method comprises the following steps that electricity utilization data obtained from an intelligent ammeter and recorded by a central processor module are transmitted to a feature detection module, and a transient feature power parameter in the electricity utilization data is extracted by the feature detection module and transmitted to a comparator template;
(3) the method comprises the steps of providing a server module, a comparator module, a communication module, a central processor module and a communication module, wherein the comparator module is divided into two parts for transient parameter comparison, ① compares the obtained transient characteristic parameters with load fault transient parameter data, when the comparison result is basically matched, electric appliance fault identification is realized, electric appliance fault identification information is transmitted to the server module and the fault prompter module through the communication module, ② compares the transient characteristic parameters with a load disconnection characteristic database when the obtained transient characteristic parameters are not matched with the load fault transient parameter data, the load disconnection identification result is obtained, the result is transmitted to the central processor module, and the central processor module transmits the result to the server module through the communication module.
The fault prompter module comprises a control switch, a buzzer alarm, a light emitting diode and an air switch, wherein the control switch is switched on according to the fault identification information obtained by the non-invasive load identification module, the buzzer alarm, the light emitting diode and the air switch are controlled to act, alarm information is sent out, and the power supply is turned off.
The leakage protector module comprises a current transformer, a leakage detection device, a power switch, a switch control device and a communication module, wherein the current transformer is respectively arranged on the live wire and the zero wire, collects the current of the live wire and the zero wire at the power supply and transmits the collected current information to the leakage detection device; the leakage detection device compares the difference of the current of the live wire and the zero wire according to the current parameters obtained from the current transformer, compares the difference with a leakage current threshold value, detects whether leakage current occurs or not, transmits a leakage signal to the switch control device if the leakage current occurs, controls the switch to be switched off, simultaneously transmits information to the communication module, and the communication module transmits the obtained leakage information to the server module.
Electric shock early warning ware module, including remote switch device, buzzer siren and communication module, if the electric leakage condition appears in the user, above-mentioned earth-leakage protector module sends the electric leakage information for above-mentioned server module through the server module, and the user knows the electric leakage condition of family through the cell-phone, can control remote switch device closure through communication module, and the control alarm reports to the police, warns the pedestrian and does not advance.
And the server module records the load on-off identification result and the load fault identification result obtained by the non-invasive load identification module and the family leakage information obtained by the leakage protector module and transmits the family leakage information to the mobile phone of the user.
Accordingly, an external multifunctional non-invasive load recognition device for intelligent electric meter is obtained
The above embodiments are merely illustrative, and not restrictive, and various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention, and therefore all equivalent technical solutions are intended to be included within the scope of the invention.
Claims (7)
1. The utility model provides an external multi-functional non-invasive load recognition device of smart electric meter which characterized in that: the system comprises a non-invasive load identification module, a fault prompter module, a leakage protector module, an electric shock early warning module and a server module.
2. The non-intrusive load identification module of claim 1, wherein: the system comprises a characteristic detection module, a central processing unit module, a database module, a comparator module and a communication module;
(1) the characteristic detection module provides a transient power parameter obtained from the central processing unit module;
(2) the central processor module records the power consumption parameters and the load on-off/fault identification results obtained from the intelligent electric meter;
(3) the database module stores a load on-off characteristic database and a load fault characteristic database;
(4) the comparator module compares the transient characteristic parameters with the load disconnection and load fault database parameters;
(5) and the communication module transmits the obtained load identification result to the server module.
3. The fault prompter module of claim 1, wherein: comprises a control switch, a buzzer alarm, a light-emitting diode and an air switch; and the fault alarm module is used for carrying out fault alarm according to the fault identification result obtained by the non-intrusive load identification module.
4. The earth leakage protector module of claim 1, comprising a current transformer, an earth leakage detection device, a power switch, a switch control device and a communication module;
(1) the current transformer collects the current of a live wire and a zero line at a power supply;
(2) the leakage detection device detects whether leakage current occurs;
(3) the switch control device is used for controlling the on-off of the leakage protector;
(4) and the communication module transmits the leakage signal to the server module.
5. The shock protector module of claim 1, wherein:
(1) comparing the real-time power utilization data with a database in a fault information database to judge whether a fault occurs;
(2) and according to a buzzer alarm, a light-emitting diode and an air switch in the fault prompter module, timely alarming and protecting the fault.
6. A leakage protection module and an electric shock early warning module according to claim 1, characterized in that: the device comprises a remote switch device, a buzzer alarm and a communication module; for remote alarm warning in the vicinity of the home.
7. The server module of claim 1, wherein: the system is used for recording the load identification result of the non-invasive load identification module and the electric leakage information of the electric leakage protector module and remotely transmitting the load identification result and the electric leakage information to a user.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010092578.XA CN111381100A (en) | 2020-02-14 | 2020-02-14 | External multifunctional non-invasive load recognition device for intelligent electric meter |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010092578.XA CN111381100A (en) | 2020-02-14 | 2020-02-14 | External multifunctional non-invasive load recognition device for intelligent electric meter |
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| CN111381100A true CN111381100A (en) | 2020-07-07 |
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| CN202010092578.XA Pending CN111381100A (en) | 2020-02-14 | 2020-02-14 | External multifunctional non-invasive load recognition device for intelligent electric meter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112198379A (en) * | 2020-09-14 | 2021-01-08 | 江阴长仪集团有限公司 | Low-voltage electric equipment fault positioning system based on electric energy metering technology |
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| CN108828406A (en) * | 2018-06-19 | 2018-11-16 | 深圳安顺通电力物联服务有限公司 | The fault recognition method and its system of non-intrusion type user power utilization |
| US20190121337A1 (en) * | 2016-04-12 | 2019-04-25 | Grid4C | A method and system for hvac malfunction and inefficiency detection over smart meters data |
| CN110288113A (en) * | 2019-03-19 | 2019-09-27 | 浙江工业大学 | A kind of non-intrusion type load intelligent identifying system |
| CN110672934A (en) * | 2019-08-23 | 2020-01-10 | 北京中电飞华通信股份有限公司 | Non-invasive load identification method, terminal and system |
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2020
- 2020-02-14 CN CN202010092578.XA patent/CN111381100A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103248027A (en) * | 2013-05-28 | 2013-08-14 | 上海云声电子有限公司 | Monitor for intelligent electricity using |
| US20190121337A1 (en) * | 2016-04-12 | 2019-04-25 | Grid4C | A method and system for hvac malfunction and inefficiency detection over smart meters data |
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| CN108828406A (en) * | 2018-06-19 | 2018-11-16 | 深圳安顺通电力物联服务有限公司 | The fault recognition method and its system of non-intrusion type user power utilization |
| CN110288113A (en) * | 2019-03-19 | 2019-09-27 | 浙江工业大学 | A kind of non-intrusion type load intelligent identifying system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112198379A (en) * | 2020-09-14 | 2021-01-08 | 江阴长仪集团有限公司 | Low-voltage electric equipment fault positioning system based on electric energy metering technology |
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Application publication date: 20200707 |