246results about How to "Prevent electricity theft" patented technology

The invention relates to a method and a system for online metering and real-time monitoring of an electric transmission line. The method comprises the following steps: a measurer (1) of the electric transmission line obtains the data of the electric parameter and the electric quantity parameter of the electric transmission line and / or the physical parameter of the electric transmission line by measuring, sends the parameters to a distant main station (3); a user-end metering module (2) obtains the data of the electric quantity parameter, the required quantity parameter and / or the electric parameter of the user by measuring and sends the data of the parameters to the distant main station; the distant main station (3) carries out data storage, comparison, statistic and / or analysis to the data of every parameter, achieves the purpose of the real-time monitoring of the electric transmission line and judges the abnormal electric utilization of the user; or the measurer (1) of the electric transmission line automatically judges the abnormal electric utilization of the user and sends the information of the abnormal electric utilization to the distant main station. The method for online metering and real-time monitoring of the electric transmission line has the advantages that the running state of the electric transmission line can be monitored in real time during the automatic management of the electric energy metering, such as the illegal electric utilization or the abnormal state of the scene of the electric utilization is alarmed, and the like.

An authentication method for a vehicle-mounted charging device and a corresponding device, which are applied to the authentication when a vehicle-mounted charging device which is provided with a user card accesses a charging station serving network. The method comprises: reading, by a vehicle-mounted charging device, a user identity identifier and a user certificate from a user card; establishing a wireless link with a wireless charging pile, sending an authentication request to a device manager through the wireless charging pile, and carrying the user identity identifier, the user certificate and device information about the vehicle-mounted charging device; and after the authentication of the device manager of a serving network of the user identity identifier, the user certificate and the device information about the vehicle-mounted charging device, and after it is judged that the vehicle-mounted charging device matches the wireless charging pile, returning an authentication success response. The solution can effectively improve the security of wireless charging, reduce the accident rate and prevent electricity theft.

The invention relates to a high-voltage electric energy direct measurement system and a method, which is applied on a three-phase high-voltage circuit. The system comprises an A-phase high-voltage electric energy measurement unit arranged on the high-voltage terminal of an A-phase power line for measuring a first portion of electric energy consumption; a C-phase electric energy measurement unit arranged on the high-voltage terminal of a C-phase power line for measuring a second portion of electric energy consumption; a B-phase electric energy synthesis unit arranged on the high-voltage terminal of a B-phase power line for accumulating the first portion of and the second portion of electric energy consumption.

The invention discloses an intelligent single-phase electrical energy metering tank, which comprises a microprocessor as well as a drain current detection module, an ammeter box total electricity metering module, a wire inlet side temperature collection module, a single-phase meter reading module, a display prompting module, a box opening incident recording module, an information storage module, a watchdog module, a wired communication interface, a wireless communication interface, a centralized reading system interface and a power supply module, which are respectively connected with the microprocessor, wherein the single-phase meter reading module is respectively connected with three single-phase meters, a PC (Personal Computer) reading system is connected with the wired communication interface, and a wireless PDA (Personal Digital Assistant) is connected with the wireless communication interface. The metering tank can prevent the ammeter box from being illegally opened and prevent electric larceny, has multiple communication functions, is compatible with a centralized meter reading system, sound in functions, and can meet the use requirements; the whole system is an opened system; and when the temperature exceeds a set value, the metering tank can alarm in time, thereby being safe and reliable in use.

The invention discloses a single-phase cost-control intelligent electric meter. The electric meter comprises a shell, a display screen, buttons, a slot, pin connection ports and a fingerprint acquisition device. The display screen is located on the upper portion of the shell, an indicator light is further arranged in the center of the upper portion of the display screen, the pin connection ports are located in the lower portion of the shell, the fingerprint acquisition device is connected with an internal fingerprint recognition module, and the buttons include ten number buttons, a confirmation button, a cancel button and four direction buttons. An internal structure of the electric meter comprises a single-chip microcomputer, a metering unit, a storage unit, a power supply unit, an alarm unit, the display screen, a carrier communication unit, a relay control unit, a 485 communication unit, a clock unit, a button input unit, a safety certification unit and an electricity stealing prevention unit. The intelligent electric meter has the advantages of being diversified in function, high in intelligence degree and the like.

The invention provides an electricity-larceny-preventing electricity meter box which comprises an electricity meter box body and an electromagnetic lock. A separating partition separating the electricity meter box into an electricity meter chamber and a meter checking chamber is vertically arranged in the electricity meter box body, a meter reading window is formed in the separating partition, two sides of the separating partition are slidably arranged on the inner side of the electricity meter box body, the electromagnetic lock is fixed on the inner side of the electricity meter box body, locks the separating partition and is connected with an electromagnetic lock unlocking controller. The electricity-larceny-preventing electricity meter box has the advantages of scientific design, reasonable structure, high practicability and good electricity-larceny-preventing effect.

The invention relates to a method and a device for collecting data in an automatic meter reading system. The device comprises an electric energy meter data collector and a large meter box for containing the electric energy meter data collector and electric energy meters, wherein the electric energy meter data collector is mainly composed of a single chip, a memory module, an RS485 communication module, a power line carrier communication module, an illegal opening box detection module and a power module. In the automatic meter reading system composed of a main station, a concentrator, the electric energy meter data collector and the electric energy meters, the invention adopts a data collecting method of electric energy meter user grouping, and therefore the method adapts to the need of collecting power data from the electric energy meters with different power utilization ways in a three-phase four-wire power supply network, avoids three-phase fire wire load imbalance, and achieves the effective use of the power supply network. At the same time, the method can detect whether the data collector or the electric energy meters are illegally opened and record relevant information, therefore preventing electric larceny from occurring.

The invention discloses an electric energy meter with false wiring automatic identification and correct metering functions and a method thereof. The electric energy meter comprises an acquisition module, a metering module, an MCU main control module and an automatic error correction module. The acquisition module acquires a three-phase voltage value, a phase angle, a three-phase current value anda phase angle of the electric energy meter, and the metering module forms a corresponding vector diagram. The MCU main control module judges whether a wiring error exists or not, if yes, whether a preset vector diagram example the same as the vector diagram exists or not is searched for in an error wiring database, if yes, the wiring error type corresponding to the vector diagram is obtained, anda correction instruction is issued according to the wiring error type. And the automatic error correction module judges wrong wiring as certain wrong wiring measurement according to the correction instruction, and performs measurement storage on possible correct measurement at the same time. According to the invention, wiring errors can be automatically detected and corrected, correct metering isstored in the meter for alternative use, the defect of electric quantity compensation calculation after an event is overcome, and accurate metering of electric quantity is ensured in real time.

The invention discloses a socket capable of preventing electricity stealing and relates to the technical field of sockets. The socket capable of preventing electricity stealing comprises an upper cover and a socket body. The upper cover and the socket body are connected through a connecting part. The upper cover and the socket body are provided with mechanisms which are matched with each other and used for being assembled to be a lock for locking the upper cover and the socket body respectively. After the upper cover and the socket body are locked, the function of sealing the jacks of the socket is achieved. The socket capable of preventing electricity stealing is convenient to mount and use, can achieve the purpose of preventing electricity stealing effectively, can prevent water from entering the socket, and is suitable for being used outdoors; the upper cover is provided with notches, and therefore electricity taking and electricity stealing prevention can be achieved at the same time. According to the socket capable of preventing electricity stealing, the high cost for mounting a charging pile and the complex mounting conditions of the charging pile can be avoided, and the waiting time for using a public charging pile is eliminated, or the trouble for vehicle picking up can also be avoided.

The invention discloses an electric meter box device with the functions of preventing electricity stealing and carrying out monitoring. The electric meter box device comprises a reed tube, a power source, an alarm, a release switch and a time-delay relay. The power source, the alarm and the reed tube form a magnetic field alarm circuit. The time-delay relay, the release switch and the power source form a trigger alarm circuit. A mobile phone with the one-key get-through function is arranged below the time-delay relay. A camera module is arranged in a box body and used for collecting audio-video data and sending the audio-video data to an audio-video decoder, then compressed encoding processing is conducted on the audio-video data, and the audio-video data after the compressed encoding processing is conducted are sent to an M2M module and then are uploaded to a management platform through the M2M module. After the electric meter box device is used, not only is the good effect of preventing electricity stealing achieved, but also criminal offenders are arrested lawfully and unwittingly, arrogance of the criminal offenders is greatly struck, and behaviors of stealing electricity and damaging an electric meter box are eliminated.

Characters of the invention are: embedded type processor / controller of supporting ZigBee is adopted; through interface of SPI bus, radio comm. module of supporting ZigBee is connected to microcontroller; through ZigBee and gateway of isomeric network, the radio comm. module is connected to data monitor center; receiving polling, querying commands from the data monitor center, microcontroller issues commands of turning on / off power to switch relay, and transfers collected data to the data monitor center for collection and arrangement. The invention is capable of constructing network in high redundant nodes including 65000 metering devices for electric energy so as to guarantee that network possess powerful capability of data acquisition, and error self recovery capability. Thus, in condition, in which individual nodes do not work, the network can run normally. Advantages are: avoiding boring configuration procedure, reducing cost for maintaining network, manpower and time.

The invention discloses an enhancing type method for preventing electricity stealing and electric energy meter thereof, which at least includes a voltage sampling circuit, a current sampling circuit, a power circuit, a special measuring ship, and also includes a current converter; when a zero line separates from an electric energy meter, the current converter converts a phase line current into a voltage to provide a work power for the special measuring chip through a double-power circuit; the special measuring chip automatically detects a zero falling signal and generates a voltage sampling signal used for measuring to lead the electric energy meter to be capable of measuring the voltage normally when falling off zero. The electric energy meter manufactured by using the method can effectively prevent the electricity stealing way of electric energy meter when falling off zero and enhance the performance of preventing electricity stealing.

The invention provides a feed through current transformer which uses a puncturing method to get voltage from a wrapped wire, and relates to a transformer; aiming at the problems of complex operation, easy electricity-theft under the low efficiency and larger occupy space in the existing mode of getting voltage by peeling the sheath, the invention provides a feed through current transformer which uses a puncturing method to get voltage from a wrapped wire, and comprises a transformer body (1), which is provided with a wiring terminal (2) of a voltage wire and a part (3) for getting the voltage which have connection relation; the part (3) for getting the voltage has a sharp front end which can pierce the insulated sheath of a bus conveniently and contact with a metal core, thus realizing the purpose of getting voltage. The current transformer of the invention has simple structure, small occupy space, low cost and fast mode of getting voltage, and can greatly improve the working efficiency; at the same time, the connection of the part for getting voltage and the bus is stable, getting voltage is precise and reliable and the condition of electricity-theft is avoided effectively, thereby being beneficial to promotion and application.

The invention discloses a method for preventing an intelligent electric meter from external electromagnetic field interference based on finite element simulation analysis. The method includes the following steps that firstly, parameters of an electric meter simulation model are determined; secondly, electric meter simulation model output embodied when no external electromagnetic interference exists is calculated; thirdly, electric meter simulation model output embodied when power frequency magnetic field interference exists is calculated; fourthly, the influences of the change of the distance between an electromagnet and an electric energy meter on the electric meter simulation model output are analyzed; fifthly, the influences of a direct current magnetic field on a transformer power supply are analyzed; sixthly, the shielding effects of different permeability magnetic materials on an interference electromagnetic field are analyzed; seventhly, according to the function relationships acquired in the third step, the fourth step and the fifth step respectively and in combination with the shielding effects of the different permeability magnetic materials on the interference electromagnetic field acquired in the sixth step, the safe distances between a power supply inside the intelligent electric meter and a case of the intelligent electric meter, between a voltage transformer inside the intelligent electric meter and the case of the intelligent electric meter and between a current transformer inside the intelligent electric meter and the case of the intelligent electric meter are acquired. Three-dimensional electromagnetic field analysis is conducted based on finite element analysis, the influences of the external electromagnetic field on the electric energy meter are prevented, and the electric energy meter is protected against electricity stealing.

The invention provides an intelligent electric meter box, an electricity quantity information display method and an alarm system and belongs to the power system equipment technical field. The intelligent electric meter box includes a box body, a baffle, an electronic locking component, a first fingerprint identification device, a second fingerprint identification device, a prompting device, a watt hour meter, an acquisition device, a micro fire extinguishing device, a display device, an infrared camera and a main control device; the infrared camera is mounted at the top of the box body; the baffle is mounted at the opening of the box body; the main control device, the display device, the first fingerprint identification device and the second fingerprint identification device are all mounted in the baffle; the watt hour meter and the micro fire extinguishing device are mounted in the box body; and the acquisition device is mounted on the watt hour meter. The main control device controls the micro fire extinguishing device, the display device and the electronic locking component, so that the watt hour meter can be prevented from catching fire and from being opened by an electricity stealer, the disclosure of private information can be prevented, and the applicability and safety of the intelligent electric meter box can be improved.

The invention relates to a high-voltage direct metering device which is attached to a high voltage power-line. The metering device comprises a voltage acquisition unit, a current acquisition unit, a first processing unit, a second processing unit and a transmitting circuit, wherein the voltage acquisition unit is used to directly acquire a first voltage signal from the power-line; the current acquisition unit is used to directly acquire a second voltage signal representing the real-time current value from the power-line; the first processing unit is used to receive the first voltage signal and the second voltage signal, change the signals to real-time voltage value and current value to convert to instantaneous power value, integrate the instantaneous value in a first preset time and output a first energy value signal; the second processing unit is used to receive the first energy value signal to accumulate and form a second energy value signal and transmit the second energy value signal every second preset time; and the transmitting circuit is used to receive the second energy value signal and transmit to a user-side receiving device.

The invention discloses a coulombmeter case, which comprises at least two case bodies, a case cover and other assembly devices, wherein the lower part of each case body is provided with a routing channel, a routing channel clapboard and a switch base; the routing channel clapboard divides the routing channel into an upper layer and a lower layer; moreover, the lower end of each case body is divided into a wire lead-in chamber and a wire lead-out chamber through a vertical clapboard and a wire-pressing block. The coulombmeter case has the characteristics of safety, economical efficiency, electricity stealing prevention, multiple functions, simple manufacturing process, strong commonality and flexible configuration, etc.

This invention relates to a straight-through current transformer using puncture method to taking voltage form wrapping wire. The invention includes transformer noumenon(1). On the transformer noumenon (1) the invention set voltage-wire leading-out terminal (2) and voltage taking assembly (3) that has connected relation. the voltage taking assembly(3) possess spinal leading end, can puncture insulation skin of generatrix then touch metal core, thereby realize purpose of taking voltage. The structure of current transformer is simplicity; space taking up is smallness, cost low, and voltage taking mode shortcut. The invention could hugely advance work efficiency, at the same time, the connecting between voltage taking assembly and generatrix is stable.

The invention discloses an electricity utilization inspection management system having an electricity-stealing prevention function. The system comprises a relay, multiple user loads, a multipath current detection circuit, a single-chip microcomputer processor and a remote monitoring system. One path of a user incoming power supply enters the multipath current detection circuit through the relay, and one path enters the multiple user loads which are connected in parallel with each other. The user loads are connected with the multipath current detection circuit which is connected with the single-chip microcomputer processor. The single-chip microcomputer processor communicates with the remote monitoring system. On / off of the relay is controlled by the single-chip microcomputer processor. The behavior of electricity stealing is judged according to comparison of user load current and total user incoming current, and the power supply is timely cut off when the behavior of electricity stealing is detected so that further electricity stealing of users can be prevented and work personnel can be timely prompted to handle the situation and warn the users. The behavior of electricity stealing can be simply and effectively prevented so that large amount of economic loss caused by the behavior of electricity stealing can be avoided.

The invention discloses an electricity larceny prevention metering box, and relates to the technical field of electric power metering. A first locking assembly is arranged between a box door and a box body and comprises a locking device, an air cylinder and a limiting block, a sliding plate is arranged in the inner chamber of the locking device, a first plug pin is fixed on the sliding plate, a first spring is arranged between the sliding plate and the inner wall of the locking device, the acting end of the first plug pin penetrates out of the locking device under the effect of the first spring, a push rod is fixed on the sliding plate, the air cylinder is fixed on the inner wall of the box body, and the limiting block is arranged on a piston rod of the air cylinder; sliding rails are arranged on the inner wall of the box body respectively, a cross beam capable of being regulated up and down is arranged between the two sliding rails, a second locking assembly is arranged below the first locking assembly, the second locking assembly mainly comprises a motor, a door catch and a clamping bar, the motor is fixed on the inner wall of the box body, the L-shaped door catch is fixed at the output end of the motor, and the L-shaped clamping bar is arranged on the inner side of the box door. According to the electricity larceny prevention metering box, the installation of each device can be facilitated, and electricity larceny can be prevented.

The invention relates to an intelligent amorphous-alloy iron-core distribution transformer and belongs to the technical field of manufacturing of transformers. The invention has the technical scheme that: pre-programmed modules and electric elements form an intelligent controller of the transformer; the intelligent controller and a high-accuracy current transformer are embedded into the transformer to make the transformer intelligentized; an anti-theft function is realized by an anti-theft and remote alarm system and a tracking search system; a safety function is realized by an electric shock resistance and grounding detection alarm system; and an electricity-stealing resistant function is realized by an electricity-stealing resistant, low-voltage metering and remote meter-reading system. The intelligent amorphous-alloy iron-core distribution transformer has the advantages that: the intelligent controller is added into an amorphous-alloy iron-core distribution transformer, so the problems of stealing of the amorphous-alloy iron-core distribution transformer, occurrence of an electric shock accident caused by touching a live wire or electricity leakage equipment by a human body or an animal when the transformer and a low-voltage line normally operate, and electricity stealing on a low-voltage side are solved.

The invention provides an electricity larceny preventive metering box, and relates to the technical field of power metering. An outer box door locking mechanism is arranged between an external box door and a box body, and comprises a first door lock and two second door locks, and the second door locks are arranged over and under the first door lock respectively. A first door locking assembly is arranged between an inner box door and the box body, and comprises a latching device, a cylinder and a limiting block, a sliding plate is arranged in an internal cavity of the latching device, a first pin is fixed on the sliding plate, a first spring is arranged between the sliding plate and the latching device, an action end of the first pin penetrates out of the latching device under the effect of the first spring, a push rod is fixed on the sliding plate, the cylinder is fixed to the inner wall of the box body, and the limiting block is arranged on a piston rod of the cylinder. The inner wall of the box body is provided with slide rails, a crossbeam which enables up and down adjustment is arranged between the two slide rails, and a second door locking assembly is arranged under the first door locking assembly. According to the invention, convenience is provided for installation of the devices, and electricity larceny is prevented.

The invention discloses a single user locale intelligent managing system which includes electric line interface for in, electric line interface for out, power unit, detecting unit, control unit and executing unit. The electric line interface for in and electric line interface for out are separately set at corresponding sides of the device, control end of executing unit is connected with control unit, controlled end of executing unit is concatenated between the electric line interface for in and electric line interface for out. Thereinto, power unit is detecting unit, the control unit and executing unit provide voltage; the detecting unit is used to detect whether is there abnormal, if it is, corresponding electric signal will be generated and sent to control unit; the control unit controls executing unit to act based on electric signal from detecting unit to cut off power supply of line. The single user locale intelligent managing system in the invention can avoid steal electricity, and structure is more compact, volume is smaller.

The invention belongs to the technical field of a plug and a socket, specifically to a light-sensitive and anti-electric-shock socket and plug. The light-sensitive and anti-electric-shock socket and plug comprises a body, a panel and a control module; a channel is formed between the body and the panel, and the channel is connected with each jack; a storage room is arranged at one end of the body; a reel is mounted in the storage room, and the reel is wound with a dust-prevention band; the dust-prevention band is positioned in the channel; the free end of the dust prevention band is fixed at one end, far from the storage room, of the body; an electrode sheet is arranged on the upper part of each jack; a light sensitive module is arranged on the lower part of each jack; the light sensitive module comprises a light source and multiple light receivers; the light source and the multiple light receivers are arranged on the opposite two sides of the jack respectively; a slot is formed in the panel, and clamping units are mounted on the left and right sides of the slot; and light holes are formed in the pin of the plug. By adoption of the light-sensitive and anti-electric-shock socket and plug, safety accident caused by a condition that a child inserts a foreign matter in the jack can be effectively prevented, so that safety use performance can be improved; and meanwhile, by virtue of the setting of the dust prevention band, the plug can pop up from the jack, so that convenient operation by a user can be achieved.

The invention discloses an electric meter box having an electricity stealing prevention alarm function and a door opening alarm device thereof. The door opening alarm device comprises a fixed shell, a flexible rod, a first spring, a fixed cover body, a groove body, a first proximity switch, a second proximity switch, a connecting rod, a flexible shell, a locking block, a second spring, an operating member, a third spring, a locking member, a fourth spring and a shaft body. The door opening alarm device is reasonable and simple in structure, low in production cost and convenient to install. The door opening disconnection device can effectively guarantee that the electricity of the electric meter box is disconnected after the box door is opened so that the possibility of electricity stealing can be avoided. The door opening alarm device can effectively guarantee that the door opening signal is transmitted to a wireless alerter after the box door is opened, and the alarm horn rings to be a certain deterrent to the electricity stealer. According to the door opening alarm device, unlock operation requires to be performed before closing the door, or the signal of the second proximity switch is transmitted out to alarm by the wireless alerter after the door is closed.

The invention provides a rod pumped well group control system based on a direct current bus. The rod pumped well group control system based on the direct current bus comprises a transformer, a rectification filter device and a plurality of inverter terminal controllers. The transformer reduces a high-voltage power source to a 380V or middle-high voltage three-phase alternating-current power source, the rectification filter device transforms the three-phase alternating-current power source to direct current electric energy, the inverter terminal controllers transform the direct current electric energy to alternating current electric energy and supply the alternating current electric energy for multiple pumping units, and real-time monitoring and control are carried out on the running conditions of the inverter terminal controllers. The rod pumped well group control system based on the direct current bus solves the problems that existing equipment is poor in power, high in cost and the like, and has the advantages of being high in energy-saving efficiency, low in cost and capable of preventing the sharp fluctuation or overvoltage of the voltage of the direct current bus and achieving power transmission without voltage boosting for long-distance oil wells where power is supplied to multiple wells through one system.

The invention provides a remote electric energy meter apparatus based on an NB-IOT. The apparatus comprises an electric energy meter casing, an electronic electric energy meter and a collector. The collector comprises an NB-IOT module and a microprocessor, and the microprocessor is simultaneously electrically connected to the electronic electric energy meter and the NB-IOT module. Compared with traditional remote electric energy meters, the remote electric energy meter apparatus of the invention has advantages of a long transmission distance, low energy consumption and strong wall-penetration capability.

The invention provides a low voltage network electricity theft detection method based on the AMI data. The method comprises steps that a phase voltage corresponding to a common point is calculated, and whether a user of a phase corresponding to the common point has electricity theft behaviors is determined. According to the method, an intelligent meter is utilized to measure the data, in combination with a low voltage network topology structure and line parameters, the user position of the three-phase low voltage network having bypass electricity theft behaviors and electricity theft time segments can be effectively detected, electricity theft quantity is estimated, and thereby an electricity theft problem is solved with pertinency .

The invention discloses a multifunctional remote communication device and a smart electric energy meter therewith. The multifunctional remote communication device comprises a housing, an antenna disposed on the housing, a terminal, a battery cover, and an acquisition and communication circuit module disposed in the housing. The terminal comprises two remote communication terminals and one RS485 communication terminal. The multifunctional remote communication device and the smart electric energy meter therewith are mounted in a base meter of a three-phase smart electric energy meter, which canrealize the multi-master communication, the remote meter reading, the status monitoring, and the automatic acquisition of other smart devices, thereby improving the reliability of the remote meter reading system, and has the advantages of stable operation and convenient use.