54results about How to "Avoid Electric Shock Accidents" patented technology

The invention discloses an automobile charging equipment slot and a use method, the automobile charging equipment slot comprises a charging pile, the side surface of the charging pile is provided with a slot body, and a charging gun is inserted into the slot body; the anti-falling rack is rotationally connected to the front side of the slot body at an equal angle, and the end part of the anti-falling rack is clamped with the concave edge of the outer side of the charging gun; and the sealing plate is slidably connected into the storage groove, and the storage groove is formed in the inner wall of the slot body. According to the automobile charging equipment slot and the use method, during use, the charging gun and the slot body can be subjected to reinforcing and anti-loosening treatment, and the problems that when the charging gun is put back into the slot, the charging gun is not firmly fixed by the slot, the charging gun is likely to slide out of a charging port, and an electric shock accident is likely to be caused are avoided; the slot body can be automatically closed, and dust and rainwater are prevented from entering the slot.

The invention provides a device for live replacement of an electric energy meter and a use method thereof, and belongs to the field of electric energy meter replacement, and the device is characterized in that in U, V and W phase plugging hole groups of a plugging connection unit, upper and lower plugging holes of a first current loop are connected in series, upper and lower plugging holes of a second current loop are connected in series, and upper and lower voltage plugging holes are connected in series through a safety device; each upper plugging hole is connected with a corresponding sampling wiring terminal of a corresponding phase of the current and voltage sampling unit; a pluggable connecting line is plugged in each plugging hole of the U-phase plugging hole group, the V-phase plugging hole group and the W-phase plugging hole group and any one of the neutral line plugging holes; and conductive jointing clamps are plugged in the metal sleeves of the plugging connecting wires plugged in the voltage upper plugging hole, the first current loop upper plugging hole, the second current loop upper plugging hole and the N-phase plugging hole group. The using method is the using method of the device for replacing the electric energy meter in a live-line mode. The device is used for avoiding open-circuit operation of the current transformer, avoiding leakage of a metal wiring part after the electric energy meter is dismounted, and realizing live replacement of the electric energy meter for metering.

The utility model discloses an anti-electric shock lamp holder of an LED bulb, and belongs to the technical field of LED lamp holder design. Comprising a base forming a mounting cavity; the longitudinal moving piece is arranged on the upper portion of the mounting cavity and longitudinally moves relative to the mounting cavity, internal threads are formed in the longitudinal moving piece, and a downward first abutting portion is formed at the lower end of the longitudinal moving piece; a contact and a second abutting part are formed on the upper surface of the transverse moving part, the contact is located under the longitudinal moving part in the mounting cavity, the first abutting part and the second abutting part form transmission connection, and when the longitudinal moving part moves downwards, the transverse moving part moves transversely to enable the contact to be separated from the position under the longitudinal moving part; the elastic piece enables the transverse moving piece to be reset until the contact is located under the longitudinal moving piece. The anti-electric-shock lamp holder of the LED bulb has the beneficial effects that in the bulb installation process, even if a switch is closed by mistake by others, the contact is far away from the position under the longitudinal moving piece, and the situation that an operator is subjected to electric shock due to the fact that the bulb is powered on is avoided.

The invention relates to the technical field of electrical equipment testing, in particular to a frequency conversion resonance testing device which comprises a shell, a testing mechanism is installed in the shell and comprises a first access port, the first access port is fixedly installed on the right side of an inner cavity of the shell, and a first connecting wire is fixedly installed on the left side of the first access port. The standby access port is fixedly installed on the right side of an inner cavity of the shell, a standby connecting line is fixedly installed on the side portion of the standby access port, the first access port is fixedly installed on the left side of the inner cavity of the shell, and a second connecting line is fixedly installed on the right side of the first access port. According to the invention, through the arrangement of the test mechanism, connection can be disconnected in time when a problem occurs at a joint during a frequency conversion resonance test, and the timely disconnection can prevent a tester from contacting dangerous voltages, thereby avoiding an electric shock accident, preventing safety accidents such as an electrical fire caused by electric leakage, and further guaranteeing the life safety of the tester.

The invention discloses a grounding instrument, which is characterized by comprising a guide electrode, an adjusting circuit and a grounding electrode, the guide electrode and the grounding electrode are metal joints; the adjusting circuit is provided with a slide rheostat and an intelligent load device, the slide rheostat is provided with an end A, an end B and an end P, the intelligent load device is connected to the end A and the end B of the slide rheostat, the end B of the slide rheostat is simultaneously connected with the grounding electrode, and the end P of the slide rheostat is connected with the guide electrode. Wherein the current can flow through the regulating circuit from the guide electrode to the grounding electrode, the electrostatic current is actively and intelligently regulated, and the human body electric balance is realized.

The invention discloses a motor wire holder with a heat dissipation function, relates to the technical field of wire holders, and aims to solve the problems that the service life of the wire holder is influenced, the aging of a connected wire insulating layer is accelerated, the risk of electrical failure is increased, and the service life of the wire holder is prolonged due to the insufficient heat dissipation of the existing design and the heat is easy to accumulate at the wire holder. And secondly, wire holders of a plurality of motors are in an exposed state and are not subjected to effective protection measures. Under the condition, the exposed wire holder has great potential safety hazards and is easily touched by people by mistake, the isolation cover is arranged at the opening of the junction box, the separation net is arranged in the junction box, heat can be directly diffused into the junction box, the heat dissipation openings in the protection cover and the heat dissipation fan on the ventilation net can accelerate air circulation, the heat can be discharged in time, and the service life of the junction box is prolonged. The problems of insulation material aging, motor performance reduction and the like possibly caused by poor heat dissipation are solved, it is guaranteed that the internal temperature is appropriate, and the working safety of the wire holder is improved.

The application provides an LED straight tube lamp, comprising: a lamp tube, the lamp tube comprising a diffusion coating covering the inner circumferential surface of the lamp tube; a lamp cap arranged at one end of the lamp tube; a lamp plate arranged in the lamp tube, the lamp plate being provided with a light source; a power supply, the power supply being in electrical communication with the light source through the lamp plate, the power supply comprising a circuit board and a power supply module arranged on the circuit board; the lamp plate is a flexible circuit board or a flexible substrate, the lamp plate having a part fixed on the inner circumferential surface of the lamp tube and a part located at both ends of the lamp plate and not fixed on the inner circumferential surface of the lamp tube, wherein the part not fixed on the inner circumferential surface of the lamp tube forms a free part, one end of the free part is deformed by being contracted towards the inside of the lamp tube, and the free part is directly welded to the circuit board of the power supply, the free part being an integral part of the flexible circuit board or the flexible substrate.

This utility model discloses a low-headroom telescopic power early warning and protection trolley for safety protection during construction under high-voltage lines. The trolley base integrates wheels and a drive unit, allowing it to move autonomously to the work area. The column lifting system adjusts the height via hydraulic cylinders, and the boom system consists of a boom platform, a protective arm, and an insulating shielding cloth. The protective arm can be folded and unfolded to adapt to different high-voltage line environments. The trolley is equipped with a high-voltage distance sensor and a linkage alarm to monitor the distance to the high-voltage line in real time. When the distance falls below the safety threshold, an audible and visual alarm is triggered, and the power source is cut off, effectively ensuring construction safety, reducing the risks of construction under high-voltage lines, replacing traditional fixed protective frames, and reducing workload and investment.

The application relates to the technical field of relay protection device detection equipment, and discloses a relay protection device test board, which comprises a supporting base, a motor, a surrounding plate, a tester and a cover plate. The supporting base comprises a top plate and a support, the support is arranged at the lower part of the top plate, the motor is arranged on the support, the surrounding plate is arranged at the side of the support and is connected with the support in sliding mode, the tester is arranged on the top surface of the top plate, and the cover plate is arranged on the top of the tester. The top plate is provided with a slot which is matched with the surrounding plate in plug-in mode, a proximity switch is arranged on the cover plate, the proximity switch is electrically connected with the motor, and the motor is used for driving the surrounding plate to move through the slot and towards one side of the cover plate. The relay protection device test board can prevent the power line of the tester from being extruded, prevent the power line of the relay protection device from being extruded or cut off, and avoid electric shock accidents.

The utility model relates to the related technical field of new energy automobile maintenance tools, in particular to a clamping device for new energy automobile maintenance, which comprises a mounting table and a clamping mechanism, the clamping mechanism is arranged on one side of the surface of the mounting table, and an adjusting mechanism is arranged at one end of the clamping mechanism. According to the clamping device for new energy automobile maintenance, through arrangement of the clamping mechanism, after installation is completed, a first motor is started, the first motor drives a threaded rod to rotate, then a threaded sleeve in threaded connection with the threaded rod slides along a first sliding groove, meanwhile, a fixedly-connected installation block is driven to move, and adjustment of the clamping mechanism is achieved; meanwhile, in the moving process of the threaded sleeve, a positioning rod and a spring act jointly, so that the connecting sleeve is kept stable, it is guaranteed that the threaded sleeve has certain resilience force in the sliding process, the stability of the device is improved, finally, the telescopic protection sleeve is embedded into the edge opening of the first sliding groove, telescopic protection can be conducted in the moving process of the threaded sleeve, and normal operation of the mechanism is guaranteed.

This application discloses a risk monitoring method for live-line work in distribution networks based on image recognition and deep learning. The method includes: acquiring a continuous image sequence of the work site and performing preprocessing; inputting the standardized image sequence into a pre-trained deep learning model; the model extracts joint temporal features through a temporal shared feature extraction module; the current work stage is inferred by a work stage perception module; the joint temporal features are modulated by a stage adaptive feature modulation module; behavioral temporal features are obtained by analyzing personnel approach behavior and changes in the state of insulation shielding objects through a behavior joint analysis module; finally, a violation judgment module determines violations of insulation shielding sequence based on the work stage and behavioral temporal features and outputs the results. This invention achieves accurate and real-time monitoring of violations of insulation shielding sequence in live-line work in distribution networks, adapts to various work scenarios, effectively improves the level of work safety management, and reduces the probability of electric shock accidents.

This invention relates to an insulation monitoring device, comprising: a signal generation unit that generates a measurement signal having a preset voltage and applies the measurement signal to ground through a protective conductor connected to one end of the signal generation unit; a coupling resistor connected to the transmission line; a signal detection unit that includes a detection resistor disposed between the coupling resistor and the other end of the signal generation unit, and detects the voltage of the measurement signal distributed in the internal resistance of the insulation monitoring device formed by the coupling resistor and the detection resistor based on the voltage difference across the detection resistor; and a control unit that detects transient voltages caused by the charging and discharging of a system capacitor formed by parasitic capacitance between the transmission line and the ground from the voltage detected by the signal detection unit, and confirms the connection status of the insulation monitoring device to the transmission line and the ground based on the result of detecting the transient voltage.

The utility model discloses a switching power supply with an insulation structure, which comprises a switching power supply, a switch driving lever is mounted on the surface of the front end of the switching power supply, an insulation rubber gasket frame is arranged on the outer side of the switch driving lever, a knob is movably mounted on one side of the switch driving lever, one side of the surface of the knob is connected with a ram, and the ram is connected with the switch driving lever. A ceramic round core is mounted in the knob, and the surface of the ceramic round core is integrally connected with a ceramic rod; the knob is arranged on one side of the switch driving lever, the surface of the knob is connected with the ram, and the ram can lift the switch driving lever upwards through rotation of the knob, so that a switching power supply is turned on, hands of an operator are prevented from being in direct contact with the power supply switch, the situation of electric leakage is prevented, and the isolation and insulation effects are achieved; the ceramic round core is arranged in the knob, the ceramic round core is connected with the ceramic rod, the ceramic rod is connected with the ram, insulation is achieved through ceramics, and therefore the insulation effect of the knob is improved.

The utility model relates to the technical field of communication facilities, in particular to a communication iron tower with a reinforced structure, which comprises a fixing table, a supporting assembly is arranged at the top of the fixing table, the supporting assembly comprises supporting stand columns, the supporting stand columns are fixedly arranged at the top of the fixing table, and the supporting stand columns are distributed at the top of the fixing table in a front-back parallel mode. Supporting rods are fixedly connected to the opposite sides of the supporting stand columns, the supporting rods are connected in an up-down diagonal mode, anti-climbing frames are fixedly connected to the outer sides of the supporting stand columns, breast boards are fixedly connected to the bottoms of the anti-climbing frames, a containing table is fixedly connected to the tops of the supporting stand columns, and a supporting frame is fixedly connected to the interior of the containing table. According to the communication iron tower of the reinforced structure, through diagonal connection of the supporting rods, not only can the situation that people without miscellaneous things climb the supporting stand columns be prevented to a certain extent, so that potential safety hazards are reduced, electric shock accidents are avoided, and the stability and safety of the supporting stand column structure can be effectively improved.

This utility model provides a clamp for gripping graphite tubes, relating to the field of elemental detection technology. The clamp is an insulated clamp and includes: two rods, which are arranged crosswise and hinged at the intersection; two elastic members, one end of which is connected to one end of each of the two rods; two rotation adjustment mechanisms, each connected to the other end of each of the two elastic members; and two clamps, which are arranged opposite each other, with grooves on their opposite sides for gripping the graphite tube. The two clamps are connected to the rotating ends of the two rotation adjustment mechanisms, and the rotation angle of the two clamps can be adjusted according to the setting angle of the graphite tube in the atomic absorption spectrometer. This design facilitates operation and installation by experimental personnel, while preventing the rods or hands from obstructing the operator's view, thus improving the accuracy of graphite tube installation.

The utility model relates to the technical field of electrical equipment insulation protection, and particularly discloses a transformer insulation protective sleeve which comprises an upper cover and a lower cover which are oppositely arranged, installation blocks are arranged on the two sides of the upper cover, an installation rod is arranged on each installation block, fixing blocks are arranged at the positions, corresponding to the installation blocks, of the two sides of the lower cover, and the installation rods are arranged on the fixing blocks. The fixing block is provided with positioning holes allowing the mounting rods to be inserted therein, and lock catch assemblies are arranged at the positions, corresponding to the positioning holes, of the fixing block. The high-voltage stay wire protective cover has the advantages of being simple in structure, not prone to tripping, resistant to falling and vibration and capable of protecting normal work of the wiring terminals in the protective cover and avoiding the situation that the wiring terminals are exposed under the action of external force, and the lock catch type insulation protective cover effectively avoids the accidents that high-voltage stay wire conductive pedestrians are electrically shocked in thunderstorm weather.

The present application relates to the technical field of electrical equipment, and in particular to an early warning device for electrical equipment. The present application provides an early warning device for electrical equipment, including: an air pump assembly and a telescopic airbag assembly; the air pump assembly includes a base plate, a pedal, a first fixing member, an air pump, a first conductive contact member, a second conductive contact member, a power supply and a first sliding rod member; the telescopic airbag assembly includes a vent plate, a second fixing member, a telescopic airbag member and an early warning sign; the air pump delivers gas to the telescopic airbag member through the vent plate to extend the telescopic airbag of the telescopic airbag member. The present application unfolds the early warning sign of the telescopic airbag member to serve as a reminder, and can also control the telescopic airbag member to shrink, thereby reducing the occupied volume of the early warning device of the present application, so that the device only provides safety reminders when pedestrians are about to cross the safe distance of the electrical equipment.

The utility model relates to the technical field of wire stripping pliers, and discloses a wire stripping pliers with an electricity measuring structure, comprising a plier body I and a plier body II, a rotating shaft is rotatably connected in the plier body I and the plier body II, the side walls of the plier body I and the plier body II are fixedly connected with insulating grips, one side wall of the plier body is rotatably connected with a bayonet lock, and the bayonet lock is fixedly connected with the insulating grips. An electricity measuring mechanism is arranged in the second clamp body, and a convenient mechanism is arranged on the side wall of the first clamp body and the side wall of the second clamp body. The electricity measuring mechanism comprises a metal sheet, an LED flashing lamp and a current-limiting resistor, and the side wall of the insulating grip on one side is fixedly connected with a fixing box. According to the utility model, when the equipment works, the metal sheet is in contact with a detected wire to induce current, the current-limiting resistor regulates and controls the current-limiting resistor to drive the LED flashing lamp to emit light, so as to indicate whether the wire is electrified or not, the visibility of LED optical signals is enhanced through the lens, and through the cooperation of the above structures, the power-on state of the wire can be rapidly detected before wire stripping operation. Electric shock accidents are avoided, and the operation safety is improved.

The application discloses a high-voltage power grid power cable protection device and belongs to the cable protection field. The high-voltage power grid power cable protection device is provided with a limiting strip fixedly connected to a first mounting ring, the limiting strip is clamped to a second mounting ring, a first clamping block for clamping a cable is slidably connected to the side wall of a first connecting sleeve, a second clamping block for clamping the cable is slidably connected to the side wall of a second connecting sleeve, and a driving mechanism for driving the first clamping block and the second clamping block to slide is arranged on the first connecting sleeve. The first connecting sleeve and the second connecting sleeve and the first clamping block and the second clamping block are arranged, the driving mechanism is synchronously operated when the first mounting ring approaches the second mounting ring, the first clamping block and the second clamping block are both moved to the cable, the position between the cable and the first connecting sleeve and the second connecting sleeve is fixed, the connection of the cable is protected, and the connection of the cable is prevented from being broken.

The utility model discloses a high -tension isolator convenient to overhaul, including mounting seat, and mounting seat is cavity structure, and the middle part of mounting seat top is equipped with the rectangular hole, and both ends of mounting seat top are fixed with the insulator, and one insulator top is installed the contact seat, and another insulator top is installed the static contact, and the U -shaped frame is fixed in contact seat top, and the inside wall rotation is connected with the breaker in the U -shaped frame, and the inside wall rotation is connected with the pivot in the middle part of mounting seat. The utility model discloses through the cooperation of first rotating mechanism and second rotating mechanism, can make the breaker and static contact separate, realize the power -off purpose, need not through professional tool disassembly spare part mode operation, has simplified the overhaul procedure, has reduced the time required, thereby has improved work efficiency, through the limiting mechanism of design, the rotation of pivot is limited, avoids the misoperation and leads to the switch closing, thereby effectively prevents the electric shock accident, improves the security of equipment.

The present invention relates to the technical field of electric energy meter boxes, and proposes an electric energy meter box with a security structure, including a box body with an internal space, an air switch, an electricity meter, and a leakage protector are all arranged in the internal space, and the box body has an opening; a box cover is rotatably arranged on the box body, and the box cover opens or closes the opening after rotation; a protective shell is rotatably arranged in the box body, and the protective shell is buckled on the air switch and the leakage protector after rotation, and the protective shell is used to prevent people from touching the air switch and the leakage protector; a transmission member is slidably arranged in the internal space, and the transmission member slides close to or away from the rotating shaft of the box cover and the rotating shaft of the protective shell, and after the transmission member slides close to the rotating shaft of the box cover and the protective shell, the two ends of the transmission member are respectively connected to the rotating shaft of the box cover and the rotating shaft of the protective shell. Through the above technical scheme, the problem that the protective structure of the electric energy meter box in the prior art needs to be manually started is solved.

The utility model provides a portable tool car for a transformer substation, and relates to the technical field of electric power transportation equipment, the portable tool car for the transformer substation comprises a bottom plate, a back plate, two side plates, two transverse partition plates, a plurality of first vertical partition plates and a plurality of universal wheels; a storage space is defined by the bottom plate, the back plate and the two side plates jointly, and the storage space is divided into a first storage bin, a second storage bin and a third storage bin from top to bottom through the two partition plates. The first storage bin is divided into a plurality of test bins by the plurality of first vertical partition plates, a high-pressure generator is mounted in one of the plurality of test bins, and a press type inflator pump is mounted in the other of the plurality of test bins; and the U-shaped pipe clamp and the punching plate are combined, so that the problem that safety tools and instruments are inconvenient to carry, detect and transport during the maintenance pre-test or important defect treatment period of the transformer substation is well solved.

The utility model belongs to the technical field of medical instruments, and discloses a connector structure and a medical device.The connector structure comprises a plug, a socket and a locking and releasing structure, the plug comprises a first connecting piece, the locking and releasing structure comprises a second connecting piece and a limiting piece, and the second connecting piece is suitable for moving in the first direction; the limiting piece is used for locking and unlocking the first connecting piece and is provided with a first position and a second position which are matched with the second connecting piece in a limiting manner; when the plug is inserted into the socket, the limiting piece moves to the second position from the first position, and the second connecting piece and the first connecting piece are locked. And when the plug leaves the socket, the limiting piece moves from the second position to the first position, and the second connecting piece and the first connecting piece are unlocked. According to the invention, locking or unlocking work between the plug and the socket can be synchronously completed during plugging operation, the operation mode of connection or disconnection between the medical equipment host and the peripheral is simplified, and the working efficiency is improved.

This invention provides an insulation protection device for the maintenance of substation equipment in urban power grids. It includes an operating tool for maintaining substation equipment and an operating rod for controlling the movement of the tool. The operating rod is made of insulating material. The operating tool includes a housing and a cover mounted on the housing. The housing is fixedly connected to the operating rod. The housing has a storage space for accommodating the tool. A turntable is rotatably mounted inside the storage space, and at least one tool position is provided on the turntable. An electric push rod is fixedly mounted on the tool position, and the telescopic end of the electric push rod is fixed to the tool via a fixing mechanism. This invention protects maintenance personnel during operation, preventing electric shock accidents. When the tool is needed, the telescopic end of the electric push rod is extended to push the tool out of the housing. Maintenance personnel then operate the tool via the operating rod to maintain the substation equipment.

This invention discloses an Internet of Things (IoT)-based method for monitoring and early warning of wild animals on power transmission lines, relating to the field of intelligent power grid early warning technology. The method involves constructing a line layout map, collecting line monitoring data and monitoring time; extracting images from the line monitoring data to obtain captured images and decomposed matching times; performing contour detection on the captured images to obtain animal monitoring edge images; predicting the location risk of the animal monitoring edge images to obtain preliminary risk assessment results; constructing a model activity library; comparing features between the power grid virtual space and the animal monitoring edge images to obtain a matching standard model; and using the matching standard model to provide intelligent early warning for the three-dimensional model of the line, obtaining a dynamic early warning strategy. This enables early prediction of high risks, reduces power outages caused by wild animals, and improves the safety and reliability of the power system.

The invention discloses a cab door control device and method and a vehicle. The control device comprises a first controller, a second controller, a card reader, a first power source and a second power source. The first power supply is connected with the second relay through a first normally closed contact of the first relay, and a first normally open contact of the second relay is connected with the first controller; the first power supply is connected with the first controller through a second normally closed contact of the first relay; the first power supply is connected with the first controller through a second normally open contact and a third normally open contact of the second relay; the first power supply is connected with the second controller; the card reader is connected with the first controller and the second relay through the second controller; the second power source is connected with the first controller through a normally-open contact of the first relay, and the first controller is connected with the door allowing signal train line and the zero-speed signal train line. The problem that a contact of a traditional electric key device is ablated and damaged due to large instantaneous contact current is solved.

The utility model relates to a centrally installed switchgear capable of being installed reliable to a wall, which comprises a front switchgear body and a rear switchgear body, the front switchgear body and the rear switchgear body are adjacently arranged, and the front switchgear body is provided with a switchgear door capable of being opened and closed; the front cabinet body sequentially comprises an instrument chamber, a circuit breaker chamber and a cable chamber from top to bottom; a middle support extending longitudinally is arranged between the front cabinet body and the rear cabinet body, and a detachably connected contact mounting plate is arranged at the position, corresponding to the height of the circuit breaker chamber, of the middle support. The front cabinet body comprises a first base, and the first base is provided with a wire outlet hole. The utility model has the advantages of compact structure, volume saving and reliable wall installation, all components can be maintained and replaced in front of the cabinet, the maintenance space behind the cabinet is saved, and the installation space is saved.

The invention relates to a distribution cable short circuit reinforcing facility which is used for isolating a plurality of distribution cables and preventing short circuit among the distribution cables. According to the embodiment of the invention, the distribution cable short circuit reinforcement facility is a short circuit prevention cabinet formed by a plurality of cable accommodating grids up and down. The cable accommodating chambers include a control cable accommodating chamber, which is inserted into the cable drawer of each of the cable accommodating chambers in the case of accommodating the connection portion of the cable, and one of the plurality of cable accommodating chambers is selected so as to prevent a short circuit between the plurality of cable accommodating chambers in the case of simultaneously exposing the plurality of cable accommodating chambers. In the cable containing chambers, one containing chamber is selected from the cable containing chambers, one cable containing chamber is selected from the cable containing chambers, and one containing chamber for containing the cable is selected from the cable containing chambers to unlock the cable. If one cable drawer is detached, an unlocking limiting part for limiting the operation of the selection unlocking part is included, so that the other cable drawers are prevented from being separated.

The application discloses a fault property diagnosis device and method for cable fault test, and belongs to the technical field of power equipment detection. The fault property diagnosis device comprises a host unit and a multifunctional conversion unit, the multifunctional conversion unit is connected with a central control unit and each test unit; the host unit is integrated with a multimeter unit, a megohmmeter unit, a low-voltage pulse unit and the central control unit, and is used for coordinating the working time sequence of each unit and processing measurement data; the multifunctional conversion unit comprises a test mode selection module and a safety interlocking and discharge detection module, and is used for detecting the residual voltage of a high-voltage output end connected with a cable and allowing switching only when the residual voltage is detected to be lower than a safety threshold. The application realizes the integration, safety and process of the cable fault diagnosis, improves the field detection efficiency and operation safety, and solves the problems of equipment dispersion, complicated operation and high safety risk in the existing cable fault diagnosis.

The invention relates to the technical field of electrolysis of electrolytic manganese metal, and discloses an energy-saving and consumption-reducing method for electrolytic manganese metal, which comprises the following steps: S1, carrying out insulation and heat insulation treatment on an electrolytic bath, S2, selecting manganese metal, S3, adding an additive, S4, replacing an electrode material, S5, recovering waste heat, and S6, controlling the temperature: firstly stopping the operation of the electrolytic bath and cutting off a power supply when the temperature is controlled, in the first step, the temperature of the electrolyte is detected, when the temperature exceeds 45 DEG C, a temperature control device is adopted for cooling, and when the temperature is lower than 30 DEG C, the temperature control device is adopted for heating. Current in the electrolytic bath is effectively prevented from leaking to the outside through insulation and heat insulation of the electrolytic bath, an electric shock accident caused by the fact that an operator makes contact with a live part is avoided, current loss can be reduced through good insulation, more electric energy is concentrated for electrolytic reaction, and therefore the electrolytic efficiency is improved, and energy consumption is reduced. And through the heat insulation material, the effect of avoiding temperature loss in the electrolysis process can be achieved, and the energy consumption during temperature maintaining is reduced.