1008results about "Earthing arrangements" patented technology

The invention relates to the field of switch cabinet equipment, in particular to a combined electric appliance switch cabinet with linkage interlocking, which comprises a cabinet body, the cabinet body is divided into an equipment chamber, an operation chamber and an electric control chamber by plates, the equipment chamber is sequentially provided with an isolating switch, a circuit breaker and a grounding switch from top to bottom, the operation chamber is internally provided with a linkage interlocking device, and the electric control chamber is internally provided with a linkage interlocking device. Electric control equipment is arranged in the electric control chamber; the linkage interlocking device comprises an installation support, an isolation switch control shaft, a circuit breaker control shaft and a grounding control shaft, the isolation switch control shaft rotatably controls opening and closing of an isolation switch, the circuit breaker control shaft rotatably controls opening and closing of a circuit breaker, and the grounding control shaft rotatably controls opening and closing of a grounding switch. The problem that safety accidents are easy to occur due to the fact that a traditional disconnecting switch, a traditional circuit breaker and a traditional grounding switch are operated independently is solved, the switch cabinet equipment can have a stable safety interlocking structure, and when one switch is switched on, other switches cannot be switched on or switched off.

The utility model discloses a cable protection intelligent grounding box comprising a box body, the top end of the box body is provided with a top cover, the two sides of the top cover are inclined and are provided with photovoltaic panels, the two sides of the top cover are provided with heat radiation ports, the box body is internally provided with a placing cabinet, the placing cabinet is internally provided with an intelligent monitoring assembly in a sliding manner, and the bottom end of the placing cabinet is internally provided with a support. A motor is arranged above the support, heat dissipation fan blades are connected to the output end of the motor, air inlets are formed in the two sides of the box body, a grounding assembly is arranged in the box body, a plurality of cable penetrating holes are formed in the bottom end of the box body, sleeves are arranged at the bottom end of the interior of the box body, and the sleeves correspond to the cable penetrating holes. According to the utility model, the motor drives the heat dissipation fan blades to rotate, so that heat generated between the cable and the grounding assembly rises, external air enters the box body from the air inlet, and heat generated by the intelligent monitoring assembly is driven to the top cover and is discharged from the heat dissipation port, thereby realizing a heat dissipation effect and preventing damage.

The invention provides a modularized grounding box for centralized grounding of multiple paths of high-voltage cables, which comprises a box body, a plurality of independent compartments are arranged in the box body, and a protector grounding unit or a direct grounding unit is arranged in each compartment. Each protector grounding unit or direct grounding unit is connected with a copper shielding layer and a grounding wire of an armor layer of the corresponding high-voltage cable; a centralized grounding unit and a centralized monitoring unit are also arranged in the box body; the centralized grounding unit is used for grounding each protector grounding unit and each direct grounding unit; the centralized monitoring unit is used for analyzing the operation state of the high-voltage cable and equipment. According to the high-voltage cable grounding box, a plurality of independent compartments are designed in the box body, so that mutual crosstalk of signals among grounding units is avoided, the overhaul efficiency of the high-voltage cable grounding box is improved, centralized maintenance of the grounding box is facilitated, and the investment cost is reduced; and meanwhile, one-point grounding is uniformly concentrated in the grounding box, so that the problem of fault hidden dangers of a plurality of grounding points formed by in-situ multi-point distributed installation is solved.

The utility model discloses a photovoltaic intelligent grid-connected metering box which comprises a metering box main body and an auxiliary maintenance device. According to the utility model, the intelligent circuit breaker is arranged to monitor parameters such as voltage and current behind a user side inverter and in front of a meter, functions such as remote control and automatic reclosing can be realized, and the auxiliary maintenance device is arranged, that is, under the mutual cooperation of a guide groove, a first clamping groove and a second clamping groove which are arranged in the support assembly, the intelligent circuit breaker can maintain the safety of the user side inverter. According to the metering box, the adjusting assembly is arranged, a limiting block arranged in the adjusting assembly can move forwards as a whole of the metering box body, so that the follow-up overhaul intuition and space are expanded, and the adjusting assembly is arranged, that is, a locking wheel arranged in the locking structure forms a locking state with a ball, a spring piece, a locking shaft and a spring, so that convenient adjusting and locking are achieved; and the metering box main body can be wholly inclined, so that the follow-up maintenance intuition is further improved, and the advantages of efficient and intuitive maintenance auxiliary cooperation and maintenance intuition improvement are achieved.

The invention relates to the technical field of power distribution switch equipment, in particular to a ring main unit. The ring main unit comprises a box body, the left side wall and the right side wall of the box body are respectively provided with a three-position switch module and a circuit breaker module which are mutually independent, the three-position switch module comprises a three-position module fixing frame and three-position switches which are installed on the three-position module fixing frame side by side in a front-back mode, and the three-position switches are direct-acting three-position switches. The isolating static contact and the grounding static contact are arranged on the upper side and the lower side respectively, the switch moving contact base and the moving contact arranged in the switch moving contact base are located between the isolating static contact and the grounding static contact, and the circuit breaker module comprises a circuit breaker module fixing frame and circuit breakers installed on the circuit breaker module fixing frame side by side front and back. And the moving contact of the circuit breaker moves up and down to open and close. The three-position switch module and the circuit breaker module can realize a bus-side three-position scheme and a line-side three-position scheme through different combination modes, the standardization of the modules is realized, and the universality is improved.

Disclosed is a switchgear cabinet with a magnetic blow-out load switch, comprising a cabinet body, wherein a cable compartment, a mechanism compartment, a sealed gas compartment, and a fuse compartment are arranged within the cabinet body. A three-phase top insulating sleeve is arranged at the top of the sealed gas compartment, a three-phase bottom insulating sleeve is arranged at the bottom of the fuse compartment, and the three-phase bottom insulating sleeve penetrates into the cable compartment to connect to an incoming cable and an outgoing cable. A three-phase magnetic blow-out load switch is installed within the sealed gas compartment, and an operating mechanism for the load switch is installed at an upper part within the mechanism compartment and located on an outer side of a front panel of the sealed gas compartment. A three-phase fuse is arranged within the fuse compartment, a fuse striker-pin tripping mechanism is installed at a bottom part within the mechanism compartment, and a small fuse grounding switch is further installed within the fuse compartment. The present invention uses a magnetic blow-out arc extinguishing assembly to increase a strong magnetic field to directionally guide and concentrate electrons and ions of an electric arc, and performs rapid arc interruption and arc extinguishing by means of an arc extinguishing apparatus, effectively improving the arc extinguishing capacity of the load switch, and solving the technical problem of load switches in high-voltage load switch cabinets having low arc extinguishing capacity.

The invention discloses a high-low voltage power distribution cabinet with a protection function and a use method thereof.The high-low voltage power distribution cabinet comprises a power distribution cabinet mechanism, the power distribution cabinet mechanism comprises a power distribution cabinet body, a protection turnover mechanism is installed on the inner side of the power distribution cabinet body, and a linkage groove is formed in the rear side of the interior of the power distribution cabinet body; and a rectangular pull opening communicated with the linkage groove is formed in the lower part of the rear part of the inner cavity of the power distribution cabinet body. According to the high-low voltage power distribution cabinet with the protection function and the use method thereof, the power distribution cabinet mechanism and the protection turnover mechanism are used in a combined manner, and through the arrangement of the two mechanisms, the connection of an electrostatic bracelet and a bolt guide rod can be utilized, and the touch of the electrostatic bracelet becomes a precondition for opening a protection door plate, so that the static electricity of a human body can be eliminated in advance; and then the protection door plate is unlocked through linkage between the structures, and the safety during operation is improved.

The invention belongs to the technical field of power distribution switch equipment, and particularly relates to a switch cabinet. According to the switch cabinet provided by the invention, the main bus assembly, the isolation static contact component, the three-position switch, the vacuum arc-extinguishing chamber component and the insulation pull rod are respectively arranged on the bracket, so that the integration level of the internal structure of the switch cabinet is improved; the main bus assembly, the isolation static contact component, the three-position switch, the vacuum arc extinguish chamber component and the insulation pull rod can be conveniently installed in the cabinet shell along with the support, the installation technology of the switch cabinet is simplified, and production and manufacturing of products are facilitated. In addition, the cable buses are arranged on the left and right sides of the cabinet shell, so that the height dimension space of the cabinet shell is well saved.

The utility model discloses a bus grounding switch operating mechanism of a gas insulation type switch cabinet. The bus grounding switch operating mechanism comprises a mechanism box, and a valve assembly, a locking assembly, a transmission assembly, two microswitch assemblies and an elastic trigger assembly which are arranged in the mechanism box. The transmission assembly is connected with a bus grounding switch and is provided with a handle operation hole, the mechanism box is provided with a through hole corresponding to the handle operation hole, the valve assembly is arranged on the mechanism box in a sliding mode, the through hole can be opened or closed through sliding, and the two microswitch assemblies correspond to grounding opening and grounding closing of the grounding switch respectively. The elastic trigger assembly is arranged on the transmission assembly, the transmission assembly can drive the bus grounding switch to conduct grounding closing / opening by rotating the handle operation hole, meanwhile, the elastic trigger assembly triggers the microswitch assembly, and the locking assembly can conduct unlocking and locking on the valve assembly. The bus grounding switch can be operated through the operating mechanism to enable the bus side of the switch cabinet to be grounded, and reliability and safety of equipment are improved.

The utility model discloses an insulation installation grounding device for ship electrical equipment, which comprises a deck, a protection box arranged on the deck, an electrical mechanism arranged in the protection box, a lifting assembly and a grounding assembly, the lifting assembly comprises a bottom frame arranged on the deck, two sets of crossed connecting rods symmetrically and rotatably connected to the bottom frame, a transverse plate arranged between the two sets of crossed connecting rods and a lifting plate arranged at the tops of the crossed connecting rods, sliding grooves are formed in the inner side wall of the bottom frame, and sliding rods matched with the sliding grooves are arranged at one ends of the two sets of crossed connecting rods; a driving piece is further arranged between the transverse plate and the bottom frame; the damping assembly is arranged between the lifting plate and the electrical mechanism and used for conducting damping on the electrical mechanism in the ship running process; according to the device, the electrical equipment can be lifted, so that the electrical equipment can be conveniently maintained when the deck vibrates or swings, and the phenomenon that the original protection and working performance of the equipment is affected due to the fact that the electrical equipment is subjected to the vibration effect of the deck can be prevented.

The utility model discloses a liquid cooling energy storage cabinet, which sequentially comprises a base, a control layer, a refrigeration layer and a battery layer from bottom to top, the control layer, the refrigeration layer and the battery layer are integrated in a cabinet body, a control module is arranged in the control layer, the control module is connected with the refrigeration layer and the battery layer through wires, and the control module is connected with the refrigeration layer and the battery layer through wires. A liquid cooling battery pack is arranged in the battery layer, a liquid cooling unit is arranged in the refrigerating layer, and the liquid cooling unit is connected with the liquid cooling battery pack through a liquid cooling pipeline. According to the liquid cooling energy storage cabinet, the control layer, the refrigeration layer and the battery layer are integrated in the cabinet body and are arranged on the base, the alternating current and direct current integrated structural design that the control layer, the refrigeration layer and the battery layer are stacked up and down is adopted, the structure is compact, compared with a traditional split cabinet, the weight and size are greatly reduced, the occupied area is small, the space utilization rate is high, and the machining cost is reduced; manual installation workload is reduced, the size is reduced, the field installation number is increased, the size is smaller, and transportation is convenient.

The utility model discloses a power cabinet grounding device with a locking and anti-detaching structure, and relates to the technical field of power cabinets. The power cabinet grounding device with a locking and anti-detaching structure comprises a wiring terminal, and a mounting ear plate is arranged on the outer side of the wiring terminal; a power cabinet grounding device with a locking and anti-detaching structure, a grounding wire is inserted into the inside of a locking groove along a connecting groove, and an output end of an electric telescopic rod drives a pressure sensor, a clamping plate and an auxiliary sliding block to move through an external controller, and the end of the grounding wire is clamped by the clamping plate, and the detection end of the pressure sensor monitors the pressure value in real time, and the operation of the output end of the electric telescopic rod can be stopped, so that the grounding wire is locked to prevent it from being detached. If it is detached later, the pressure sensor will detect the change of pressure, and then feedback to the external controller, so as to alarm and remind the grounding wire to be detached.

The utility model provides a grounding device of an electrical equipment power distribution cabinet, which comprises a power distribution cabinet, a ground wire and a grounding rod, one end of the ground wire is connected to the power distribution cabinet, the top of the grounding rod is in threaded connection with a wiring assembly matched with the ground wire, the outer side of the wiring assembly is provided with a protection assembly, and the protection assembly is in threaded connection with the grounding rod. The protection assembly comprises a first protection shell and a second protection shell which are detachably connected through a bolt. According to the utility model, through the arrangement of the sealing cover, the observation window and the access hole, when maintenance or installation of a ground wire is needed, the sealing cover can be dismounted only by unscrewing screws at four corners of the sealing cover, and at the moment, the wiring assembly in the protection assembly can be maintained or the ground wire can be installed and dismounted through the access hole; and meanwhile, in daily use, whether the wiring assembly or a ground wire connected with the wiring assembly is corroded or not can be directly checked through the observation window made of a transparent material.

The invention relates to the technical field of high-voltage direct-current power transmission, and discloses a grounding device in a converter station, which comprises a power conversion cabinet and an adjusting mechanism, the front surface of the power conversion cabinet is rotatably connected with a cabinet door through a hinge, a supporting mechanism is arranged in the power conversion cabinet, and the supporting mechanism comprises a supporting frame fixedly connected with the inner wall of the power conversion cabinet. A first groove is formed in the inner wall of the supporting frame, a first mounting rod is slidably connected to the inner wall of the first groove, a first through hole is formed in the outer surface of the first mounting rod, and a metal rail is fixedly connected to the inner wall of the first mounting rod; in the converter cabinet equipment, vibration generated by operation of electric equipment can be transmitted to the connecting shaft through the force block, the elastic guide piece can absorb the vibration on the connecting shaft, and meanwhile, due to the fact that the elastic guide piece is in sliding connection with the metal rail, grounding current can be further guided to the supporting frame through the metal rail along the connecting channel. And the grounding stability of the electric equipment is improved.

The invention discloses a grounding system of a high-voltage switch cabinet, relates to the technical field of power systems, and solves the problems of poor resistance stability and poor safety in a grounding system of an existing high-voltage switch cabinet. The system comprises a real-time detection module, a self-adaptive grounding resistance adjusting module, a high-frequency transient suppression module, a fault detection and isolation module, a grounding current control module and a remote measurement module. The multi-section controllable resistor is connected with the grounding path in series, the resistance value is automatically adjusted by combining the environment compensation model, it is ensured that the grounding resistor is kept stable under different environment conditions, arc light reignition is detected and rapidly responded through the high-frequency transient suppression module, and generation of overvoltage is effectively suppressed; grounding current is monitored in real time through the fault detection and isolation module, further diffusion of faults is prevented, and reliability and safety of the system are improved; according to the invention, the resistance stability and safety of the existing grounding system are greatly improved.

The invention belongs to the technical field of battery equipment, and particularly relates to a shell structure of a high-voltage box, the high-voltage box, a battery and electric equipment. The housing structure comprises an insulating housing, which is provided with an inner cavity used for installing an electrical device, and is provided with an assembling side wall; the connector is installed on the outer side, away from the inner cavity, of the assembling side wall, the connector is provided with a connecting terminal and a shielding layer, the shielding layer surrounds the connecting terminal, and the connecting terminal penetrates into the inner cavity and is used for being electrically connected with an electrical device; the metal plate is installed on the outer side, away from the inner cavity, of the assembling side wall, the metal plate is located between the connector and the assembling side wall, an assembling through hole is formed in the metal plate, and the connecting terminal penetrates through the assembling through hole and the shielding layer to be electrically connected with the metal plate; and the first end of the grounding part is electrically connected with the metal plate, and the second end of the grounding part is used for grounding. By applying the technical scheme, the problem of low assembly efficiency of the high-voltage box caused by the complex overall design structure of the high-voltage box in the related technology is solved.

The utility model provides an insulation grounding device for power substation construction, which belongs to the technical field of substation grounding construction and comprises an insulation cylinder, a ground cone is fixedly connected to the bottom of the insulation cylinder, a grounding column is embedded in an inner cavity of the ground cone, and connecting columns moving oppositely are symmetrically arranged in the inner cavity of the insulation cylinder. The inner cavity of the insulating cylinder is provided with an opposite linkage assembly for driving the two connecting columns to be in butt joint with the conductive disc and the grounding column respectively, and the two connecting columns are in butt joint with the conductive disc and the grounding column respectively, so that the electric wire is grounded, current is led to the ground through the electric wire, and safe grounding of electrical equipment under normal and fault conditions is ensured; according to the utility model, the device is simple in structure and convenient to carry, prevents electric shock danger during equipment electric leakage, can be directly installed at a corresponding position through the ground cone during construction, forms an integrated structure with the ground cone, brings convenience to the construction process, and further guarantees the efficiency of the construction process of the transformer substation.

The utility model discloses an electrical grounding device for a high-rise building, and relates to the technical field of electrical grounding equipment, the upper part of a box body is in threaded connection with a wire placing pipe, two sides of the inner wall of the box body are respectively provided with two groups of butt joint supports through bolts, a junction box is arranged at the center of the two groups of butt joint supports, and the junction box is connected with the wire placing pipe. A grounding switch is placed below the junction box, a bolt clamping structure is arranged between the grounding switch and the box body, and a heat dissipation window is arranged on the right side of the box body. A grounding wire enters a wire body through a wire placing pipe above a box body, and the grounding wire is placed by a junction box installed through a connecting plate in the box body, so that the grounding wire is connected with a fault indicator, a grounding protector and a potential balance box; the grounding wire in the junction box is detected, so that faults can be conveniently detected.

The utility model discloses a temporary grounding device for a distribution box transformer, which belongs to the technical field of distribution box transformers, and is characterized by comprising a transformer substation shell, a plurality of metal partition plates are fixedly connected in the transformer substation shell, a transformer is fixedly connected to the top of each metal partition plate, and the transformer is connected to the bottom of each metal partition plate. The grounding mechanism is arranged, two metal clamping plates can clamp and fix a metal partition plate, the stability during connection is ensured, a lead screw rotates to drive a moving block, a moving rod, a supporting round block and a grounding rod to move downwards together, the grounding rod can go deep into the ground, and therefore the effect that the grounding rod is stably connected with the ground is achieved; and the first connecting assembly and the second connecting assembly are arranged, so that the first connecting rod and the second connecting rod can be conveniently and quickly disassembled and assembled, the grounding area of the conductive assembly can be flexibly adjusted according to use requirements, and the conductive effect is further improved.

The invention belongs to the technical field of high-voltage switches, and particularly relates to a full-solid-seal operation mechanism, which comprises an isolation mechanism box and a circuit breaker mechanism box which are arranged up and down, and an interlocking mechanism connected between the isolation mechanism box and the circuit breaker mechanism box, the isolation mechanism box comprises a first back plate and a first front cover, the first back plate and the first front cover are connected to form a sealed installation cavity, an isolation mechanism is installed in the sealed installation cavity of the isolation mechanism box, and the isolation mechanism comprises an isolation operation shaft penetrating out of the first front cover, a grounding operation shaft and a first output shaft; the circuit breaker mechanism box comprises a second back plate and a second front cover, the second back plate and the second front cover are connected to form a sealed installation cavity, a circuit breaker mechanism is installed in the sealed installation cavity of the circuit breaker mechanism box, and the circuit breaker mechanism comprises a closing operation shaft, an opening operation shaft and a circuit breaker indication rotating shaft which penetrate out of the second front cover. The invention provides a full-solid-seal operation mechanism which can be used for high-voltage switch equipment in a severe environment, and the damage probability is reduced.

The utility model discloses an outdoor photovoltaic low-voltage cabinet, which comprises a cabinet body, the lower end of the cabinet body is arranged on a base, the upper end of the cabinet body is provided with a top cover, the top cover comprises a top flat plate and a mask plate, the top flat plate is provided with a mounting port, an exhaust fan is arranged in the mounting port, the upper end of the base is covered with a bottom plate, and a plurality of upright posts are arranged on the periphery of the mask plate. The upper ends of the stand columns are provided with bells respectively, the middle of the protruding line is fixedly connected with a center shaft, the center shaft is rotatably sleeved with a rotating pipe, the rotating pipe is driven by a working shaft of the exhaust fan to rotate, the rotating pipe is fixedly connected with a swing rod, the lower end of the center shaft is grounded through a grounding wire, and the center shaft is made of conductive materials. The outdoor photovoltaic low-voltage cabinet provided by the utility model has the advantages of good heat dissipation effect, wild animal influence prevention, lightning protection and flood lamp prevention. All the functions are matched with one another, and energy consumption is low. And the device is suitable for being installed and used outdoors, especially used in a large-scale photovoltaic power station, and can adapt to various different outdoor environments.

The invention discloses a combined prefabricated cabin which comprises a prefabricated bottom plate and a prefabricated plate wall arranged at the upper end of the prefabricated bottom plate, a prefabricated top plate is installed at the upper end of the prefabricated plate wall, and a triangular plate fixed to the upper end of the prefabricated plate wall is arranged on the outer side of the prefabricated top plate. An auxiliary block rotationally connected with the prefabricated top plate is connected to the upper side of the prefabricated plate wall, a second connecting door and a first connecting door are arranged on the front side and the rear side of the prefabricated plate wall correspondingly, an annular plate is connected to the rear side of the inner end of a triangular plate, and a bearing plate is arranged on the outer surface of an adjusting rod. According to the combined prefabricated cabin, the problems that a large amount of rain and snow are accumulated in snowy weather in winter, snow can be shaken and cleaned through inclination of the plates, the working efficiency is improved, meanwhile, the operation range is large, automatic splicing is facilitated, meanwhile, splicing is more stable, splicing and combination can be better met, and the service life is prolonged are solved.

The present invention relates to the field of grounding trolley devices, and discloses an electrical testing grounding trolley device for medium-voltage switchgear, comprising a trolley frame, a support frame is fixed to the front side of the trolley frame, a U-shaped frame is connected to the top surface of the support frame by bolts, a plurality of support insulator sensors are fixed to the front side of the U-shaped frame, a plurality of support insulator sensors are detachably provided with contact arms on the front sides, a first grounding busbar is connected to two second grounding busbars by bolts on the front side, and a third grounding busbar is connected to the front side of the two second grounding busbars by bolts. In the present invention, the device has integrated electrical testing and grounding functions, reduces the operation steps and potential risk points, reduces the risk of electric shock to operators, facilitates users to safely and reliably operate and realize busbar electrical testing and grounding, and makes the live state of the busbar clear at a glance through the intuitive display of the electric display device, effectively avoiding safety accidents caused by misjudgment.

The invention belongs to the technical field of intelligent power grid equipment, and particularly relates to a safety power distribution cabinet which comprises a cabinet body, and a heat exchange inner plate is fixedly arranged on the rear side of the interior of the cabinet body. The device further comprises an environment temperature sensor, an air blower, an exhaust fan, a thermal insulation protection mechanism, a temperature sensing regulation and control mechanism, a dustproof blocking mechanism, a grounding mechanism, a loosening overhaul prompting mechanism and a dust removal triggering mechanism. According to the invention, whether thermal insulation blocking is carried out on the heat exchange surface of the power distribution cabinet or not can be automatically selected based on the external environment temperature of the power distribution cabinet, so that the heat dissipation difficulty of the power distribution cabinet caused by too high external environment temperature can be avoided; the automatic timing warning reminds workers to overhaul the grounding mechanism, loosening of the grounding mechanism caused by vibration is avoided, dust and impurities in external air can be effectively intercepted and filtered when active heat dissipation is carried out on the power distribution cabinet, and the situation that dust enters the power distribution cabinet and influences use of the power distribution cabinet is avoided.

The present application provides a switch cabinet, comprising: a cabinet body (10), comprising a main body (11) and a test door (12), wherein a first stop portion (121) is provided on the test door (12); a switch device (20); and a first interlocking assembly, comprising an operation structure (40), a second stop portion (50), and a first lifting / lowering structure (60), wherein at least part of the operation structure (40) is arranged in a liftable and lowerable mode to drive the first lifting / lowering structure (60) to lift / lower, and the first lifting / lowering structure (60) shields or provides clearance for a grounding operation hole (24) of the switch device (20); a fitting portion (61) of the first lifting / lowering structure (60) has a fitted state and a separated state; when the test door (12) is closed, the operation structure (40) is operated to drive the first lifting / lowering structure (60) to lower until the fitting portion (61) moves from the separated state to the fitted state, and the first lifting / lowering structure (60) provides clearance for the grounding operation hole (24), so that when the switch device (20) is grounded, the test door (12) cannot be opened.

The invention relates to the technical field of electrical equipment, in particular to a switch cabinet and an interlocking device thereof.The switch cabinet comprises a cabinet body, a partition plate is fixedly connected to the inner middle of the cabinet body, a master controller is arranged in the middle of the upper end of the partition plate, and a switch component general assembly body is arranged at the inner bottom of the cabinet body; the main controller is used for controlling the switch component general assembly body to perform opening and closing operation, the partition plate is used for isolating the main controller from the switch component general assembly body, one side of the front end face of the cabinet body is rotationally connected with a main cabinet door through a rotating shaft, the main cabinet door is further rotationally connected with an auxiliary cabinet door, and the auxiliary cabinet door is connected with the main cabinet door through a rotating shaft. And the auxiliary cabinet door is used for facilitating operation and maintenance personnel to operate the master controller. Compared with the prior art, the switch cabinet solves the problem that in the prior art, a switch component and a control part are not physically isolated in the switch cabinet, so that the risk of electric shock is likely to happen during maintenance.

The invention relates to the technical field of cable line protection and monitoring, in particular to a cable tunnel intelligent grounding box which comprises a box body, an electric appliance assembly and a copper bar. A groove frame is arranged on the side wall of the inner side of the box body, the length direction of a groove of the groove frame is perpendicular to the bottom face of the box body, and a supporting frame is arranged on the bottom face of the box body. The electric appliance assembly comprises insulating plates and a supporting rod, the two ends of the supporting rod are clamped to the insulating plates at the two ends respectively, the insulating plates are inserted into a groove frame on the inner wall of the box body, a containing space is formed between the insulating plates at the two ends, and the outer sides of the insulating plates at the two ends are used for installing electric appliance elements. And the copper bar is positioned in the accommodating space and is arranged on a support frame on the bottom surface of the box body. Through adoption of the drawable intelligent electric appliance assembly, rapid expansion and maintenance of components are realized.

The utility model provides an energy storage high-voltage box confluence cabinet, comprising a cabinet body, a plurality of high-voltage boxes, a confluence assembly, a protection member and a lightning protection assembly, the plurality of high-voltage boxes are arranged in the cabinet body, and the positive and negative input ends of the plurality of high-voltage boxes are respectively and electrically connected with the positive and negative output ends of corresponding energy storage batteries; the protection part is arranged in the cabinet body, the positive and negative output ends of the plurality of high-voltage boxes are electrically connected with the positive and negative input ends of the protection part through the convergence assembly, and the positive and negative output ends of the protection part are correspondingly and electrically connected with the positive and negative input ends of the energy storage converter respectively; the lightning protection assembly is arranged in the cabinet body, the positive input end and the negative input end of the lightning protection assembly are correspondingly and electrically connected with the positive output end and the negative output end of the protection piece respectively, and the grounding end of the lightning protection assembly is grounded. And the damage to equipment on the line caused by sudden generation of peak current or voltage on the line is avoided, and the safety performance is improved.

The present application relates to the field of cable branch box, specifically relates to a kind of integrated cable branch box, including box, door body hinged on the box;Handle assembly for eliminating human body static electricity is provided on the door body;The beneficial effects of the present application are that: in actual use, personnel when opening door body, need to pull handle main body with hand, hand needs to contact pressure plate, i.e. hand and electrode contact, at this time human body-electrode-wire one-variable resistance component-ground electrode-ground forms communication, to carry out the static electricity of human body into ground, realize the purpose of human body static electricity removal;At the same time, due to the need to pull handle main body when opening door body, and the operation of pulling handle main body is human body static electricity removal operation, so it can prevent personnel from forgetting to carry out human body static electricity removal due to forget.

The invention relates to a construction method for a grounding down lead system of a new energy storage power station, which is based on the construction of a main grounding grid and is used for reasonably connecting a lightning rod, a framework, a lightning arrester bracket, a main transformer, a tubular bus, a GIS (Gas Insulated Switchgear) and a brim voltage-sharing belt in the energy storage power station with the main grounding grid so as to exert the function of protecting related electrical equipment in the energy storage power station. Comprising the following steps that S1, a lightning rod, a framework, a lightning arrester support, a main transformer, a tubular bus, a GIS and a brim voltage-sharing belt are connected to a main grounding grid; s2, providing centralized grounding devices, and respectively arranging the centralized grounding devices at positions adjacent to a lightning rod, a main transformer and a tubular bus; on the basis that related electrical equipment of the energy storage power station is connected to the main grounding grid, the centralized grounding device is arranged for the lightning rod, the main transformer and the tubular bus, so that the current dispersing area is increased, the grounding efficiency of a grounding down lead system of the energy storage power station is improved, the potential difference among multiple equipment of the energy storage power station is reduced, and point position balance of the whole station is ensured; and safe operation of electrical equipment is ensured.