803results about "Time integral measurement" patented technology

The invention provides a metering box state detection and customer electricity utilization information collaborative electricity larceny prevention method, and relates to the technical field of electricity larceny prevention, and the method comprises the following steps: a physical sensor and an electrical sensor are deployed in a metering box and an electricity utilization loop, the physical sensor is used for collecting the state data of the metering box, and the electrical sensor is used for collecting customer electricity utilization information; data of the physical sensor and the electrical sensor are collected in real time, and the collected data are preprocessed and then transmitted to the cloud platform; the cloud platform performs physical anomaly identification on the state data of the metering box and performs electricity consumption anomaly identification on the electricity consumption information of the client; through multiple deployment of the physical sensor and the electrical sensor, the risk that a single sensor is deceived is avoided, through a cooperative verification mechanism of metering box state-electricity utilization information, box opening non-electricity stealing and box-immovable electricity stealing can be effectively distinguished, and through actual verification, the misjudgment rate is greatly reduced, and the missing report rate is controlled within 5%.

The invention relates to the technical field of electric meters, in particular to an internet of things intelligent electric meter supporting edge computing, which comprises an intelligent electric meter shell and a circuit board arranged in the intelligent electric meter shell, and further comprises an elastic mounting system which comprises a plurality of clamping seats fixed on the inner wall of the intelligent electric meter shell and a plurality of clamping heads fixed on the edge of the circuit board, a bidirectional buffer mechanism is arranged between the clamping head and the clamping seat, the bidirectional buffer mechanism allows the circuit board to perform multi-degree-of-freedom micro motion in a vibration environment so as to buffer impact, the heat exchange and dehumidification system comprises a heat conduction copper rod penetrating through the clamping seat, one end of the heat conduction copper rod is thermally connected with the bidirectional buffer mechanism, and the other end of the heat conduction copper rod is provided with heat dissipation fins. The heat conduction copper rod is sleeved with a moisture absorption filter element and a breathing heat dissipation system, the breathing heat dissipation system comprises a breathing air shell fixed in the intelligent electric meter shell, a suction groove is formed in the breathing air shell, an intermittent air exchange mechanism is arranged in the breathing air shell, and the air exchange mechanism can periodically suck external cooling air into the shell and then discharge the air out of the shell to blow the circuit board.

The invention relates to a single-phase intelligent electric energy meter, which relates to the technical field of electric meters, and comprises an electric meter body with a wiring area and a data storage area, a communication module detachably mounted in the data storage area, and a wiring terminal group arranged in the wiring area, the first cover plate and the second cover plate respectively cover the data storage area and the wiring area. And the first cover plate and the second cover plate are detachably connected with the electric meter body through the first fixing piece and the second fixing piece respectively. The linkage relation between the first fixing piece and the second fixing piece is established on the structure, so that the second fixing piece is locked when the first cover plate is in the covering state, and the second fixing piece is unlocked after the first cover plate is taken away and rotated to the maximum opening and closing position. According to the structure, a mechanical linkage principle is utilized to restrain a dismounting sequence, and an operator is guided to dismount the communication module and then dismount the wiring terminal group to a certain extent, so that the risk of adverse effects of misoperation on the stability of communication data can be reduced.

The invention discloses an uninterruptible power meter changing metering box and an electric meter changing method thereof, and the uninterruptible power meter changing metering box comprises a box body, a wiring device and a short circuit device. An electric meter position is arranged in the box body; the wiring device comprises an electricity meter connecting terminal which is arranged in the electricity meter position and used for installing an electricity meter. The electricity meter connecting terminal comprises a plurality of expansion terminals. The short-circuit device comprises a driving assembly mounted on the box body, and a short-circuit assembly and an expansion assembly which are connected with the driving assembly, the driving assembly is used for being driven to a first driving state or a second driving state, the first driving state of the driving assembly is used for driving the short-circuit assembly to short-circuit the expansion terminals with the same phase, and the second driving state of the driving assembly is used for driving the expansion terminals with the same phase; meanwhile, the expansion assembly is driven to drive the expansion terminal to contract; the second driving state of the driving assembly is used for driving the short-circuit assembly to break away from the expansion terminal and driving the expansion assembly to drive the expansion terminal to open. According to the metering box capable of replacing the meter without power failure, the electric meter can be rapidly replaced in a non-power-failure state, and misoperation is avoided.

The invention relates to the field of force-electromagnetic coupling measurement, and discloses a low-voltage electric energy metering box internal arrangement method and system based on a modular mutual inductor plugging structure, and the method comprises the steps: synchronously collecting three-phase module magnetic flux density, base strain field and pre-tightening force time sequence data through deploying a multi-source sensor; a directed weighted hypergraph is constructed to represent a magnetoelastic coupling topology, the topology is converted into a time-varying creep rate matrix through a viscoelastic creep memory operator, a compensation strategy is generated in combination with phase space division and a magnetostriction response tree, and finally an optimization scheme of module spacing and interface rigidity is reversely mapped. By accurately capturing the time-varying mechanical law of the strain field and the pre-tightening force, the problem of time-varying coupling drift of the modular mutual inductor caused by structure-electromagnetic coupling and viscoelastic memory effect is solved, the limitation of traditional static independent calibration is broken through, and long-term stability of three-phase metering precision is achieved.

The invention relates to the technical field of wiring terminal boxes, in particular to an intelligent analysis type wiring terminal box and a control system thereof.The intelligent analysis type wiring terminal box comprises the intelligent analysis type wiring terminal box and the control system used for controlling the wiring terminal box, and the intelligent analysis type wiring terminal box comprises a box body and a transparent protective cover; the box body is composed of a first main body, a second main body and a third main body which are sequentially connected, the first main body is provided with a wiring communication assembly, the second main body is an insulation board, and the third main body is provided with a monitoring acquisition assembly; the control system comprises a sampling unit, a comparison unit, a processing unit, a communication unit, an acquisition terminal and an acquisition background, and all the units cooperate to realize data sampling, comparison, processing and transmission. According to the invention, the accuracy of the metering device can be guaranteed, and the working pressure of line loss index governance improvement and electric quantity and electricity charge recovery by basic units can be reduced, so that the purpose of intelligent monitoring of the metering device is achieved.

The invention relates to the technical field of electric energy metering, in particular to an electric energy meter metering anomaly analysis method and device. The method comprises the following steps: acquiring environment data and electrical data of a to-be-detected electric energy meter in a first preset duration by taking a current time point as a starting point; sequentially determining an environment characteristic matrix and an electrical characteristic matrix based on the environment data and the electrical data; performing feature fusion on the environment feature matrix and the electrical feature matrix according to a multi-feature dynamic change proportion to obtain a fusion feature matrix of the electric energy meter; inputting the fusion feature matrix into a preset electric energy meter metering anomaly analysis model to obtain an anomaly analysis result; after the second preset duration, the step of obtaining the environment data and the electrical data of the to-be-detected electric energy meter with the current time point as the starting point in the first preset duration is executed again, and therefore real-time and accurate monitoring of the metering state of the electric energy meter can be achieved.

The invention relates to a multi-structure self-adaptive electric energy meter non-power-cut replacement device and a use method. The multi-structure self-adaptive electric energy meter non-power-cut replacement device comprises a control host connected with a single-phase electric meter; the wire inlet side and the wire outlet side of the single-phase electric meter are respectively connected with switches of the same type or different types, the switch of the wire inlet side is connected with a power supply side socket of the control host through a wire inlet electricity taking module, the switch of the wire outlet side is connected with a user side socket of the control host through a wire outlet electricity taking module, and the control host and the single-phase electric meter form a parallel bypass; the lower part of the single-phase ammeter is provided with a connection terminal area, the connection terminal area is provided with four ammeter buses which are arranged at intervals, and each ammeter bus is locked with the single-phase ammeter through a wire locking screw. The connection terminal area is detachably connected with a short circuit module, the short circuit module is connected with the control host and the locking wire screw, the adjacent ammeter buses are locked or loosened by adjusting the locking wire screw, the single-phase ammeter is seamlessly switched from an original circuit to a parallel bypass, and meanwhile the passing electric quantity is continuously metered.

The invention belongs to the technical field of electric meters, and particularly relates to an intelligent electric meter. Comprising a distribution box; a plurality of electricity meters are mounted in the distribution box; an exhaust fan is arranged on the outer side of the distribution box and extends to the inner side of the distribution box; the electricity meter is provided with an exhaust cooling device; the exhaust cooling device comprises a heat dissipation cavity which is arranged in the electric meter. A through square groove, arranged on the side surface of the ammeter and communicated with the heat dissipation cavity; the air exhaust hollow square pipe is mounted at the through square groove and is matched with the through square groove; one end of the exhaust hollow square pipe is located in the distribution box, and the other end is located in the through square groove; therefore, the heat dissipation gas is cooled, the phenomena that heat is concentrated in the distribution box due to over-high temperature of the heat dissipation gas, and a shell and internal materials are deformed and accelerated to age due to over-heat when the heat dissipation gas acts on the surfaces of adjacent electricity meters for a long time are avoided, and the service life of the electricity meters is prolonged. The metering precision and the operation stability of the intelligent electric meter are prevented from being influenced by over-high temperature in the box, and the limitation of the intelligent electric meter in practical application is reduced.

The embodiment of the invention discloses an electric energy meter metering method and device, electronic equipment and a storage medium, and relates to the technical field of electric power signal processing and electric energy metering, and the method comprises the steps: collecting dynamic load electric signal data in a power grid in real time through an intelligent electric meter, and carrying out the zero drift correction and filtering processing; constructing a dynamic discrete time model by using multi-scale memory, deep convolution, a residual module, a multi-layer perceptron and a frequency domain and time domain fusion branch, and performing feature extraction and prediction on the processed electric signal data; determining a grading precision parameter according to an actual demand, and carrying out grading precision calculation on a model output result to obtain a related energy parameter; the minimum energy fraction of each sampling point is calculated and accumulated, and the counter is updated according to the energy value, so that high-precision dynamic metering is realized. According to the invention, the problems of low metering precision and poor adaptability of the electric energy meter in the prior art are solved, and the metering precision and stability of the electric energy meter in a complex power grid environment are effectively improved.

Disclosed is a device comprising a housing that comprises components; a cover configured to be positioned on the housing to restrict access to the components when the cover is in the closed position; a capacitor and a fuse, the capacitor and fuse being dimensioned so that the fuse blows when the capacitor discharges through the fuse; a capacitor charging circuit configured to charge the capacitor when the device is powered up; a discharge circuit for discharging the capacitor through the fuse, said discharge circuit comprising a first switch cooperating with a part integral with the cover in order to prevent the discharging of the capacitor when the cover is in the closed position; and to allow the capacitor to discharge through the fuse when the cover is in the open position.

The utility model relates to a sealing device, in particular to a sealing device of an electric energy meter, which comprises a base, a first mounting groove with an opening in the top end is arranged in the base, lifting assemblies are symmetrically arranged on the left side and the right side of the base, the lifting assemblies on the two sides are respectively connected with a sliding table in a driving mode, and the sliding tables are connected with fixing plates in a driving mode. A positioning assembly is mounted on the fixing plate, and a through guide channel is formed in the center of the axis of the positioning assembly; according to the utility model, the positioning assembly is arranged on the fixing plate, and the lifting cylinder and the sliding table are arranged to drive the fixing plate, so that the positioning assembly can be adjusted to the position of the lead sealing hole of the electric energy meter, and the guide channel of the positioning assembly is coaxially aligned with the lead sealing hole, thereby restraining the motion trail of the lead sealing in the press fitting process; therefore, the lead seal is pressed into the lead seal hole in a state of being coaxial with the lead seal hole, and the lead seal is prevented from being blocked due to positioning deviation in the press-fitting process, so that the electric energy meter shell is prevented from being extruded and damaged.

The utility model discloses a relay, an electric control assembly and an electricity meter, the relay is used for being connected with an electric control board, the relay comprises a relay body, a load terminal and a sampling pin, the load terminal and the sampling pin are both located outside the first side of the relay body along the Y-axis direction, and the sampling pin is connected with the load terminal and the electric control board; an isolation part which is located between the load terminal and the electric control board and used for at least partially separating the load terminal from the electric control board is arranged on the first side, in the Y-axis direction, of the relay body in a protruding mode, and the isolation part is provided with first through holes corresponding to the sampling pins. The electric control assembly comprises the relay. The electric meter comprises the electric control assembly. When the electronic control board is applied, the space utilization rate of the electronic control board is high, the area is small and the cost is lower.

The utility model discloses an intelligent electric energy meter circuit anti-drop structure, which belongs to the technical field of intelligent electric energy meters, and comprises an electric energy meter main body provided with a wiring groove; the plurality of clamping frames are fixedly connected to the side wall of the groove bottom of the wiring groove; the protective cover is mounted on the electric energy meter main body; wherein when the wiring end of the cable penetrates through the clamping frame and is connected with the wiring column in the wiring groove, and when the protective cover is connected with the electric energy meter main body, the protective cover is connected with the clamping frame, so that the cable penetrating through the clamping frame is fixed by the clamping frame. The clamping frame can clamp and fix the cable, when the cable is subjected to external pulling force, the clamping frame can fix the cable, and the situation that the cable falls off due to the fact that the wiring position is directly stressed is avoided.

The invention discloses a low-voltage power distribution network topology perception and electricity stealing detection method and system, and relates to the technical field of power distribution network anomaly detection, and the method comprises the steps: receiving measurement data and topology connection relation data, generating a residual equation based on the measurement data, the topology connection relation data and a Kirchhoff voltage law, and obtaining a power distribution network topology perception and electricity stealing detection result; performing approximate fitting on a pre-established linear model based on the measurement data to obtain a line impedance parameter initial value; performing impedance fitting on a pre-established nonlinear least square model based on the line impedance parameter initial value to obtain a reference line impedance parameter; acquiring a distortion data set under electricity stealing simulation, performing approximate fitting and impedance fitting to obtain a current line impedance parameter, calculating a Mahalanobis distance according to the reference line impedance parameter and the current line impedance parameter, and when the Mahalanobis distance is greater than a preset threshold value, judging that the line has an electricity stealing behavior, and if the Mahalanobis distance is greater than the preset threshold value, judging that the line has an electricity stealing behavior. Otherwise, the electricity stealing behavior does not exist, and the detection accuracy of electricity stealing is improved.

A removable electrical meter quick connect device has a housing with a first face configured with connectors to mate to an electrical service panel in a meter connection manner, and a second face with an electrical meter, or connectors to mate to an electrical meter. First and second set of lines are within the housing, connected from the first face to the second face. At least one breaker switch or breaker switch receptacle is on the housing and coupled to at least one of the first and second set of lines. Additional set(s) of lines are connected to the breaker switch(es) and exit a side of the housing to provide an external source of power (in / out) via the device, without requiring typical electrical panel work.

The utility model discloses an electricity larceny prevention electric energy metering box which comprises a box shell, one side of the interior of the box shell is fixedly connected with an installation block, the surface of the installation block is connected with an anti-theft box in an inserted mode, one side of the anti-theft box is fixedly connected with an insertion block in an embedded mode, the top of the insertion block is provided with a locking groove, and a rotating rod is rotatably installed in the installation block. According to the utility model, a layer of anti-theft structure is additionally arranged outside an important electric appliance element, independent anti-theft protection is carried out on the important electric appliance element, the difficulty of electricity larceny is increased, the anti-theft effect is good, the anti-theft effect is good, the anti-theft effect is good, the anti-theft effect is good, and the anti-theft effect is good. The electric wire is difficult to connect to an important component, so that electricity stealing is limited, stealing time can be delayed, a user can have sufficient response time to deal with the situation, property loss is reduced, the anti-theft purpose is achieved, and convenience is provided for work and use of the user.

The utility model belongs to the technical field of intelligent electric meter data acquisition, and provides an intelligent electric meter data acquisition device support, which comprises a main body mechanism, the main body mechanism comprises a storage rack, an acquisition main body arranged in the storage rack, mounting sheets arranged on two sides of the top of the storage rack, and fixing bolts arranged on one sides of the mounting sheets, and the back plate is arranged on the back of the storage rack. When the collecting device is used, after the collecting main body is clamped in the storage rack, the storage rack rotates in the rotating seat through the moving rod, so that a back plate on one side of the storage rack is attached to one side of the mounting plate, and a metal sheet on the back plate and a magnetic sheet on one side of the mounting plate are magnetically adsorbed and fixed; the fixing bolts penetrate through the mounting pieces to be screwed and fixed to threaded grooves in the limiting rods, and when the storage rack is mounted to the side wall, when data acquisition is needed, after the fixing bolts are unscrewed, the storage rack performs data acquisition on the aspect that the rotating seats rotate by a certain angle through the moving rods.

The utility model relates to a three-phase four-wire electric energy metering combined junction box, which comprises a base, a detachable anti-theft cover arranged on the base, a bottom plate sealed at the bottom of the base, and a neutral line connecting group, at least three current connecting groups and at least four fuse connecting groups arranged at the bottom of the base and arranged between the base and the bottom plate, the neutral line connecting group is located at the top end of one side of the bottom of the base, and the fuse connecting groups and the current connecting groups are alternately arranged at adjacent positions of one side of the neutral line connecting group and extend to the top end of the other side of the base. According to the utility model, the key components such as the neutral line connecting group, the current connecting group and the fuse connecting group are integrated between the base and the bottom plate, so that the compactness of the structure is realized, the design of the detachable anti-theft cover effectively prevents unauthorized access and tampering, and the safety of equipment is enhanced; the anti-theft cover made of a transparent material enables a user to visually observe the internal state of the junction box, thereby facilitating daily maintenance and troubleshooting.

The present disclosure provides an electric meter, a smart switch, a distribution box and a power supply system. The electric meter is used for installation in an on-off switch. The electric meter comprises a voltage acquisition assembly and a current acquisition assembly. The voltage acquisition assembly comprises a plurality of voltage acquisition terminals. The voltage acquisition terminals are used for magnetic attraction connection with wiring terminals of the on-off switch. The current acquisition assembly is arranged along a first direction with the voltage acquisition assembly. The current acquisition assembly comprises at least one current sensing piece. The current sensing piece has an opening and closing structure. The current sensing piece is used for sleeving on a cable connected with the wiring terminals through the opening and closing structure. The electric meter provided by the present disclosure improves the installation safety and convenience, and reduces the volume of the electric meter.

The invention belongs to the technical field of uninterruptible power meter replacement. A three-phase power-off-free meter replacement connector is characterized by comprising a meter frame, an electric energy meter connection copper column head and a short circuit device. A meter hanging frame is mounted in the middle of the front upper end of the meter frame; the short-circuit device is fixedly mounted on the front side surface of the lower part of the meter frame and comprises an operating handle, a rotating shaft, a cam mechanism, a short-circuit copper sheet and a short-circuit device shell; the number of the cam mechanisms is three. Each cam mechanism comprises a cam, a fixing rod, an ejector rod and a spring. From left to right, a first cam mechanism is arranged between the first electric energy meter connection copper column head and the second electric energy meter connection copper column head, and a second cam mechanism is arranged between the third electric energy meter connection copper column head and the fourth electric energy meter connection copper column head. And a third cam mechanism is arranged between the fifth electric energy meter connecting copper column head and the sixth electric energy meter connecting copper column head. The device has the characteristics of simple structure, quick installation and electrified meter replacement.

The system comprises a signal coupling module which comprises a coupling plate A, a main board B and a capacitor C2, the main board B is connected with a reference ground LGND, the coupling plate A is arranged on a PCB, the surface of the coupling plate A is covered with copper foil and connected with the main board B through a pin, and the capacitor C2 is connected with the main board B through a pin. The output end of the coupling plate A is connected with one end of the capacitor C2, and the coupling plate A is used for isolating a direct current part of the coupling signal; the signal processing module is used for amplifying and isolating the coupling signal; and the MCU is used for analyzing the detection signal and judging the positive and negative connection states of the live line and the null line. According to the invention, the signal coupling module generates a weak electric field signal related to the reference ground of the live line and the null line, the weak electric field signal is amplified and isolated and then input into the microcontroller MCU for judgment, and the problems of inaccurate metering and circuit potential safety hazards caused by reverse connection of the live line and the null line of a traditional electric energy meter are solved.

The utility model discloses an electric energy metering box quick release type cable fixing clamp plate, comprising a fixed bottom plate, the fixed bottom plate is slidably connected with a movable plate, the movable plate and a butt joint plate are in butt joint to form a mounting hole, the fixed bottom plate is provided with a butt joint unit, the movable plate is provided with a plectrum, the plectrum is provided with an embedding unit, and the embedding unit is provided with a clamping groove. The butt-joint unit and the embedding unit can be connected in a clamping mode, a push block is connected to the fixed bottom plate in a sliding mode, a bevel groove is formed in the shifting piece, when the push block slides, the push block can abut against and extrude the bevel groove to drive the shifting piece to be away from the butt-joint unit, and the butt-joint unit is separated from the embedding unit. According to the technical scheme of the utility model, on the basis of ensuring the stable connection, the connection state between the butt joint unit and the embedding unit can be changed through the push block, so that the disassembly and the assembly can be independently realized through different parts, and the connection stability and the disassembly convenience can be considered at the same time.

The utility model discloses a circuit board assembly and an electric energy meter. The circuit board assembly is used for the electric energy meter. The electric energy meter is provided with a terminal, and the circuit board assembly comprises a main board, a temperature measuring board and an electric connecting piece. The temperature measuring plate is arranged on one side, facing the terminal, of the mainboard and is spaced from the mainboard. The electric connecting piece is at least partially located between the mainboard and the temperature measuring plate, one end of the electric connecting piece is connected with the mainboard, and the other end is connected with the temperature measuring plate. According to the scheme, the temperature measurement distance can be effectively shortened, the sensitivity and stability of temperature transmission are improved, the reliability of temperature measurement is guaranteed, and the temperature change of the terminal can be conveniently monitored in real time.

This invention relates to the field of force-electromagnetic coupling measurement, and discloses a method and system for the internal arrangement of a low-voltage power metering box based on a modular transformer plug-in structure. This method deploys multi-source sensors to synchronously collect time-series data on the magnetic flux density of the three-phase modules, the strain field of the base, and the preload. A directed weighted hypergraph is constructed to represent the magnetoelastic coupling topology, which is then converted into a time-varying creep rate matrix using a viscoelastic creep memory operator. Combined with phase space partitioning and a magnetostrictive response tree generation compensation strategy, the final result is an inverse mapping to an optimized scheme for module spacing and interface stiffness. This invention solves the problem of time-varying coupling drift caused by structure-electromagnetic coupling and viscoelastic memory effects in modular transformers by accurately capturing the time-varying mechanical laws of the strain field and preload, overcoming the limitations of traditional static independent calibration, and achieving long-term stability of three-phase metering accuracy.

A method of power quality monitoring includes: capturing a power quality event; determining that the captured power quality event is one of a voltage sag, a swell or an interruption; in response to determining the captured power quality event is one of the voltage sag, the swell or the interruption, selecting a pre-event interval and a post-event interval; comparing a pre-event load level and a post-event load level; and detecting a load loss based on a result of the comparison.

The systems and methods herein described isolating a circuit breaker panel for a building from a grid circuit during an event disrupting the grid circuit. In one aspect, a interrupt switch system comprises a housing configured to mate with an electric meter socket on a first side and an electric meter on a second side, the housing comprising power inputs from grid power and power outputs to a circuit breaker panel and an interrupt circuit disposed within the housing and configured to interrupt a flow of electricity from the power inputs to the power outputs.

The utility model provides an anti-theft wattmeter box, which belongs to the technical field of wattmeter boxes and comprises an electric energy metering mechanism. Comprising a first supporting shell, a first box body fixedly installed in an inner cavity of the first supporting shell, an anti-theft assembly arranged on the outer side of the first box body, a lock seat fixedly installed on the outer side of the first box body and a second supporting shell fixedly installed on the outer side of the first supporting shell. Basic protection is formed through a double-layer box body nesting structure, and a physical barrier is formed by matching with a shielding piece and a shell sleeve of the anti-theft assembly; the warning mechanism adopts a double-trigger mode of a mechanical baffle and an electronic pressure sensor, so as to realize instant alarm when the door is opened abnormally; the intelligent linkage locking function of the electromagnetic lock cylinder is combined with the cable protection design of the guide raised line, so that the whole structure has damage resistance, quick response and use convenience, the problem that a traditional electric meter box is easy to damage and steal electricity is effectively solved, and the safety protection level of electric power facilities is remarkably improved.

The invention discloses a bus wiring structure and a metering box, and relates to the technical field of bus wiring, the bus wiring structure comprises a conductive block used for forming an access, and also comprises a clamp spring piece used for bearing a bus, the clamp spring piece comprises a blade part used for abutting against a main wiring end, and a second end of the blade part is bent into an S shape after being split to form an arched part; and the arched part abuts against the blade part to form a clamping station for clamping the conductive block. The bus wiring structure and the bus of the metering box simultaneously supply power or transmit current to the main wiring terminal and the auxiliary wiring terminal. Therefore, the one-to-many power distribution function is realized, a related detection device can be arranged on the auxiliary wiring end, so that the auxiliary wiring end can directly feed back the current condition of the main wiring end, the detection does not influence the main wiring end, and the bus can be independently clamped through the clamp spring piece, so that the detection accuracy is improved according to the condition of the bus. And replacing a new bus or maintaining the end part of the bus.

The invention relates to the technical field of electric energy meter wiring auxiliary equipment, and discloses a novel electric energy meter combined junction box, which comprises a junction box main body, guide raised lines arranged on the inner wall of the junction box main body and metal connecting pieces arranged between compression screws in a sliding manner, the metal connecting pieces are divided into a transverse metal connecting piece and a longitudinal metal connecting piece, and the transverse metal connecting piece and the longitudinal metal connecting piece are arranged at intervals in a staggered manner; by arranging the control mechanism and the driving mechanism, the manual and automatic dual control mode of the metal connecting piece is achieved, an operator can manually adjust the position of the metal connecting piece by rotating a button, and the metal connecting piece can be automatically controlled by rotating the button; the metal connecting piece can be automatically adjusted through a micro motor and a micro electric cylinder, operation is convenient and fast, applicability is high, and meanwhile through cooperation of multiple transmission modes such as gear transmission and bevel gear transmission, the precision and stability of metal connecting piece adjustment are improved.