CN112968524A - Power load sensing device - Google Patents

Power load sensing device Download PDF

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Publication number
CN112968524A
CN112968524A CN202110208432.1A CN202110208432A CN112968524A CN 112968524 A CN112968524 A CN 112968524A CN 202110208432 A CN202110208432 A CN 202110208432A CN 112968524 A CN112968524 A CN 112968524A
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processing module
data
module
power
execution
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Pending
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CN202110208432.1A
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Chinese (zh)
Inventor
刘�东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhonghui Energy Hangzhou Co ltd
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Zhonghui Energy Hangzhou Co ltd
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Priority to CN202110208432.1A priority Critical patent/CN112968524A/en
Publication of CN112968524A publication Critical patent/CN112968524A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00001Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/90Details of database functions independent of the retrieved data types
    • G06F16/95Retrieval from the web
    • G06F16/953Querying, e.g. by the use of web search engines
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00Fire alarms; Alarms responsive to explosion
    • G08B17/06Electric actuation of the alarm, e.g. using a thermally-operated switch
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/26Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
    • H02H7/261Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations
    • H02H7/262Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations involving transmissions of switching or blocking orders
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00002Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00032Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
    • H02J13/00036Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers
    • H02J13/0004Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers involved in a protection system
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20End-user application control systems
    • Y04S20/242Home appliances

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Databases & Information Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Data Mining & Analysis (AREA)
  • General Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Alarm Systems (AREA)

Abstract

The invention discloses a power load sensing device which structurally comprises a detection module, a processing module and an execution module, and is characterized in that the detection module is arranged on a line inlet end of a power system, the processing module analyzes and compares measured data and formulates a corresponding execution command, and the execution module executes an action according to the command sent by the processing module. The detection module is used for monitoring the electric equipment, processing the operation data of the module, and the execution module is used for controlling the switch to realize automatic monitoring, early warning and circuit protection, and a user can use the mobile equipment for remote viewing.

Description

Power load sensing device
Technical Field
The invention relates to a design of power sensing equipment, and belongs to the technical field of load identification.
Background
The construction of the ubiquitous power Internet of things puts higher requirements on the depth, the breadth and the density of information perception. Although a power consumption information acquisition system with 4.8 hundred million intelligent electric energy meters and various acquisition terminals is comprehensively built at present, the intelligent electric energy meters can only acquire, transmit and backup power consumption information to a cloud end, do not have a real-time analysis function, and cannot meet the basic requirements of ubiquitous power internet of things, so that the development of a new generation of power sensing equipment is one of the key points for building a client ubiquitous power internet of things.
At present, along with the development and popularization of smart homes, the failure probability of electric appliances is greatly increased. Therefore, when the electric appliance has a fault, the type of the fault electric appliance needs to be identified in time, and the branch circuit where the fault electric appliance is located needs to be quickly switched off, so that the loss caused by the fault is reduced. The increase of the commonly used electric appliances can increase the probability of occurrence of electric leakage events, and the electric shock problem caused by electric leakage can bring harm to the electricity consumption of users and even directly threaten the life of people. Therefore, a monitoring device which can meet the construction requirements of the ubiquitous power internet of things and can perform early discovery, early warning and early protection on dormitory load faults and electric leakage behaviors is urgently needed.
Disclosure of Invention
The detection module is used for monitoring the electric equipment, processing the operation data of the module, and the execution module is used for controlling the switch to realize automatic monitoring, early warning and circuit protection, and a user can use the mobile equipment for remote viewing.
A power load sensing device comprises a detection module, a processing module and an execution module, and is characterized in that the detection module is arranged on a line inlet end of a power system, the processing module analyzes and compares measured data and formulates a corresponding execution command, and the execution module executes an action according to the command sent by the processing module;
also comprises the operation and the operation flow of the equipment,
1) installing an electric power sampling device at an inlet wire end of an electric power system;
2) pre-inputting parameters of each electric appliance in the access circuit into the processing module;
3) the power sampling device monitors a power system all day and records data;
4) the processing module compares the recorded data with the pre-input parameters;
5) making an execution command through analysis of the comparison result;
6) the execution module executes the command of the processing module;
7) and the processing module records the fault and the data corresponding to the fault.
Preferably, the processing module uploads the data of the electric appliances pre-input in advance to a cloud database, and then performs comparative analysis in the server according to the data measured by the detection module to calculate the fault processing mode.
Preferably, the user can access the server by using the mobile device, check the running condition of the electric equipment in real time, and can receive an alarm and a processing mode when the fault occurs.
Preferably, the processing module is further connected with a fire detection system, and data measured by the fire detection system is transmitted to the processing module and used as a reference factor during analysis and calculation.
Preferably, after receiving the execution command of the processing module, the execution module performs local power-off and overall power-off according to the command, and after the fault is removed, the processing module stores the data of the fault in the database.
Preferably, the fault data stored in the database are classified and sorted, and become references for calculating, analyzing and formulating execution commands of the system when all users have faults under the same condition, so that the operation speed and the accuracy of the processing module are improved.
Preferably, the detection module detects the power system by a steady state detection and a transient state detection, detects values of the electric appliance during operation and at the moment of switching on and off the electric appliance respectively, and can obtain the type of the electric appliance according to data of the transient state detection.
Preferably, the processing module is provided with an emergency operation flow,
1) the fire-fighting detection system and the detection module measure data;
2) the mcu in the processing module judges the two groups of data;
3) both sets of data are judged to be emergency;
4) the execution module directly starts the overall power-off.
Preferably, the mcu judges the emergency degree of the two groups of data through preset numerical values, and when the emergency is not reached, the processing module sends the data to the server to perform analysis and calculation according to a conventional flow.
Preferably, the mcu automatically switches on a fire alarm when an emergency is triggered, and the processing module and the execution module are both additionally provided with a standby power supply.
The invention has the advantages that:
when the installation equipment, only need install detection module on electric power system's inlet wire end, made things convenient for the maintenance of equipment in the future to update, just with the parameter input server of consumer before the use, for the data contrast provides the basis, improve the precision to each consumer detection calculation greatly, carry out contrastive analysis calculation in the server according to the data that detection module recorded again, reduced the occupation space of user end required equipment. Meanwhile, the processing module is also connected with a fire-fighting detection system, the fire-fighting detection system can provide the processing module with data such as temperature, smoke, humidity and the like measured around the electric equipment and upload the data to the server, and the data are used as a reference factor in electric power data processing, so that the fault judgment is more accurate and the protective measures are more perfect.
And the processing module uploads the data generated when the fault occurs to the database for storage after the fault is removed each time. Various fault data of each user are summarized in the database, and similar fault data are analyzed and summarized after classification, so that the existing fault processing means is gradually improved.
Because the detection module simultaneously uses two modes of steady state detection and transient state detection, the power condition of the power utilization equipment during operation can be supervised, and the power change of each power utilization equipment at the moment of opening and closing can be measured. And then, the power load condition of each electric device can be obtained by comparing and calculating the parameters of the electric device which is input in advance, and a detection module is not required to be additionally arranged on the branch circuit.
The user can log in by using the mobile equipment, remotely check the power load conditions of each equipment and the main circuit on the server, and send an alarm to the mobile equipment of the user at the first time when the equipment detects that an abnormal condition exists, and simultaneously display the processing scheme on the user, and the user can also manually operate in a non-emergency condition. The prevention mode and the operation principle of the faults are also sent to the user for learning after the faults are relieved.
The processing module is also provided with an emergency operation flow, and the execution module directly starts the whole power-off when the data measured by the fire-fighting detection system and the detection module is judged to be an emergency by the mcu. A conditional program for triggering emergency is programmed in the mcu, once data transmitted to the mcu by the fire protection detection system and the detection module meet the triggering condition, the mcu can automatically switch on a fire protection alarm, the execution module skips the process of calculating and analyzing the data by the server, and power supply is switched off at the first time. In order to ensure that the emergency operation flow can complete all operations, the processing module and the execution module are connected with a standby power supply.
Drawings
FIG. 1 is a flow chart of the operation and operation of the power load sensing apparatus of the present invention.
Fig. 2 is an emergency operation process of the power load sensing apparatus of the present invention.
Detailed Description
A power load sensing device comprises a detection module, a processing module and an execution module, and is characterized in that the detection module is arranged on a line inlet end of a power system, the processing module analyzes and compares measured data and formulates a corresponding execution command, and the execution module executes an action according to the command sent by the processing module;
also comprises the operation and the operation flow of the equipment,
1) installing an electric power sampling device at an inlet wire end of an electric power system;
2) pre-inputting parameters of each electric appliance in the access circuit into the processing module;
3) the power sampling device monitors a power system all day and records data;
4) the processing module compares the recorded data with the pre-input parameters;
5) making an execution command through analysis of the comparison result;
6) the execution module executes the command of the processing module;
7) and the processing module records the fault and the data corresponding to the fault.
In this embodiment, the processing module uploads the data of the electric appliance, which is pre-input previously, to the cloud database, and then performs comparative analysis in the server according to the data measured by the detection module to calculate the fault handling manner.
In this embodiment, the user can access the server by using the mobile device, check the operating condition of the electric device in real time, and receive an alarm and a processing mode when a fault occurs.
In this embodiment, the processing module is further connected to a fire detection system, and data measured by the fire detection system is transmitted to the processing module as a reference factor during analysis and calculation.
In this embodiment, after receiving the execution command of the processing module, the execution module performs local power down and overall power down according to the command, and after the fault is removed, the processing module stores the data of the fault in the database.
In the embodiment, the fault data stored in the database is classified and sorted, and becomes a reference for calculating, analyzing and formulating an execution command of the system when all users have faults under the same condition, so that the operation speed and the accuracy of the processing module are improved.
In this embodiment, the detection module detects the power system by a steady-state detection and a transient-state detection, and detects the values of the electrical appliance during operation and the instant switching of the electrical appliance respectively, and the type of the electrical appliance can be obtained through data of the transient-state detection.
In this embodiment, the processing module is provided with an emergency operation flow,
1) the fire-fighting detection system and the detection module measure data;
2) the mcu in the processing module judges the two groups of data;
3) both sets of data are judged to be emergency;
4) the execution module directly starts the overall power-off.
In this embodiment, the mcu judges the emergency degree of two groups of data through preset numerical values, and when the emergency situation is not reached, the processing module sends the data to the server to perform analysis and calculation according to a conventional flow.
In this embodiment, when an emergency situation is triggered, the mcu automatically turns on a fire alarm, and the processing module and the execution module are both provided with a standby power supply.
When the installation equipment, only need install detection module on electric power system's inlet wire end, made things convenient for the maintenance of equipment in the future to update, just with the parameter input server of consumer before the use, for the data contrast provides the basis, improve the precision to each consumer detection calculation greatly, carry out contrastive analysis calculation in the server according to the data that detection module recorded again, reduced the occupation space of user end required equipment. Meanwhile, the processing module is also connected with a fire-fighting detection system, the fire-fighting detection system can provide the processing module with data such as temperature, smoke, humidity and the like measured around the electric equipment and upload the data to the server, and the data are used as a reference factor in electric power data processing, so that the fault judgment is more accurate and the protective measures are more perfect.
And the processing module uploads the data generated when the fault occurs to the database for storage after the fault is removed each time. Various fault data of each user are summarized in the database, and similar fault data are analyzed and summarized after classification, so that the existing fault processing means is gradually improved.
Because the detection module simultaneously uses two modes of steady state detection and transient state detection, the power condition of the power utilization equipment during operation can be supervised, and the power change of each power utilization equipment at the moment of opening and closing can be measured. And then, the power load condition of each electric device can be obtained by comparing and calculating the parameters of the electric device which is input in advance, and a detection module is not required to be additionally arranged on the branch circuit.
The user can log in by using the mobile equipment, remotely check the power load conditions of each equipment and the main circuit on the server, and send an alarm to the mobile equipment of the user at the first time when the equipment detects that an abnormal condition exists, and simultaneously display the processing scheme on the user, and the user can also manually operate in a non-emergency condition. The prevention mode and the operation principle of the faults are also sent to the user for learning after the faults are relieved.
The processing module is also provided with an emergency operation flow, when the data measured by the fire-fighting detection system and the detection module are judged to be emergency by the mcu, the execution module directly starts the whole power-off, and if the data are not judged to be emergency, the execution module can carry out the normal operation flow by the processing module. A conditional program for triggering emergency is programmed in the mcu, once data transmitted to the mcu by the fire protection detection system and the detection module meet the triggering condition, the mcu can automatically switch on a fire protection alarm, the execution module skips the process of calculating and analyzing the data by the server, and power supply is switched off at the first time. In order to ensure that the emergency operation flow can complete all operations, the processing module and the execution module are connected with a standby power supply.
Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the invention as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A power load sensing device comprises a detection module, a processing module and an execution module, and is characterized in that the detection module is arranged on a line inlet end of a power system, the processing module analyzes and compares measured data and formulates a corresponding execution command, and the execution module executes an action according to the command sent by the processing module;
also comprises the operation and the operation flow of the equipment,
1) installing an electric power sampling device at an inlet wire end of an electric power system;
2) pre-inputting parameters of each electric appliance in the access circuit into the processing module;
3) the power sampling device monitors a power system all day and records data;
4) the processing module compares the recorded data with the pre-input parameters;
5) making an execution command through analysis of the comparison result;
6) the execution module executes the command of the processing module;
7) and the processing module records the fault and the data corresponding to the fault.
2. A power load sensing apparatus according to claim 1, wherein: the processing module uploads the data of the electric appliance pre-input previously to a cloud database, and then carries out comparison and analysis in the server according to the data measured by the detection module to calculate the fault processing mode.
3. A power load sensing apparatus according to claim 2, wherein: the user can access the server by utilizing the mobile equipment, check the running condition of the electric equipment in real time, and can receive the alarm and processing mode when the fault occurs.
4. A power load sensing apparatus according to claim 2, wherein: the processing module is also connected with a fire-fighting detection system, and data measured by the fire-fighting detection system are transmitted to the processing module to be used as reference factors during analysis and calculation.
5. A power load sensing apparatus according to claim 1, wherein: after receiving the execution command of the processing module, the execution module can perform local power-off and overall power-off according to the command, and after the fault is relieved, the processing module can also store the data of the fault in a database.
6. An electrical load awareness apparatus as claimed in claim 5 wherein: the fault data stored in the database are classified and sorted, and become references for calculating, analyzing and formulating execution commands of the system when all users have faults under the same condition, so that the operation speed and the accuracy of the processing module are improved.
7. A power load sensing apparatus according to claim 1, wherein: the detection module detects the power system by steady state detection and transient state detection, detects the values of the electric appliance during operation and the instant on/off of the electric appliance respectively, and can also obtain the type of the electric appliance through the data of the transient state detection.
8. A power load sensing apparatus according to claim 1, wherein: the processing module is provided with an emergency operation flow,
1) the fire-fighting detection system and the detection module measure data;
2) the mcu in the processing module judges the two groups of data;
3) both sets of data are judged to be emergency;
4) the execution module directly starts the overall power-off.
9. A power load sensing apparatus according to claim 8, wherein: and the mcu judges the emergency degree of the two groups of data through preset numerical values, and when the emergency is not reached, the processing module sends the data to the server for analysis and calculation according to a conventional flow.
10. A power load sensing apparatus according to claim 8, wherein: and when the mcu triggers an emergency, the mcu automatically switches on a fire alarm, and the processing module and the execution module are both additionally provided with a standby power supply.
CN202110208432.1A 2021-02-24 2021-02-24 Power load sensing device Pending CN112968524A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110208432.1A CN112968524A (en) 2021-02-24 2021-02-24 Power load sensing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110208432.1A CN112968524A (en) 2021-02-24 2021-02-24 Power load sensing device

Publications (1)

Publication Number Publication Date
CN112968524A true CN112968524A (en) 2021-06-15

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003073176A1 (en) * 2002-02-25 2003-09-04 General Electric Company Protection system for power distribution systems
CN205809165U (en) * 2016-07-20 2016-12-14 国网江西省电力公司南昌供电分公司 A kind of load identification system for domestic intelligent electricity meter based on similarity algorithm
CN108233529A (en) * 2016-12-21 2018-06-29 上海佳岚智能科技有限公司 Intelligent remote power monitoring modularization apparatus and system
CN109524939A (en) * 2018-11-21 2019-03-26 江苏昂内斯电力科技股份有限公司 A kind of long-range power-off interference method based on electrical fire networking monitoring platform
CN111263244A (en) * 2020-01-13 2020-06-09 中慧能源(杭州)有限公司 Energy router with dustproof function

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003073176A1 (en) * 2002-02-25 2003-09-04 General Electric Company Protection system for power distribution systems
CN205809165U (en) * 2016-07-20 2016-12-14 国网江西省电力公司南昌供电分公司 A kind of load identification system for domestic intelligent electricity meter based on similarity algorithm
CN108233529A (en) * 2016-12-21 2018-06-29 上海佳岚智能科技有限公司 Intelligent remote power monitoring modularization apparatus and system
CN109524939A (en) * 2018-11-21 2019-03-26 江苏昂内斯电力科技股份有限公司 A kind of long-range power-off interference method based on electrical fire networking monitoring platform
CN111263244A (en) * 2020-01-13 2020-06-09 中慧能源(杭州)有限公司 Energy router with dustproof function

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