697results about "Earthing arrangements" patented technology

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 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 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 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 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 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 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.

The invention relates to the technical field of cable rapid transfer cabinets, and relates to a fully-enclosed and fully-insulated rapid connection type emergency power distribution device, which comprises a box body, a left box door mechanism, a right box door mechanism, an insulating mechanism, a locking mechanism, a cable and a grounding bar, the left box door mechanism and the right box door mechanism are correspondingly hinged to openings in the two sides of the box body. The insulating mechanism and the locking mechanism are arranged in the box body; the input side of the insulation mechanism is provided with an insulation plug and a converter which are connected in an inserted mode, and the end face of the insulation plug faces the opening. The output side of the insulation mechanism is connected with a cable, and the cable penetrates out of the box body. The locking mechanism can be clamped with the left box door mechanism or the right box door mechanism in a power-on state; the locking mechanism can be unclamped from the left box door mechanism or the right box door mechanism in a power-off state; and the grounding bar is arranged on the bottom plate of the box body and is electrically connected with the insulating plug. The insulation plug is in plugging cooperation with the converter, the inter-phase and inter-phase to-ground electric gaps are compact, and the size and weight of the emergency power distribution device are reduced.

The invention provides a sealing switch cabinet isolation circuit breaker grounding device, and belongs to the technical field of grounding devices, the sealing switch cabinet isolation circuit breaker grounding device comprises a switch cabinet, and an isolation circuit breaker grounding body, an interlocking mechanism, a circuit breaker operation mechanism and a grounding operation mechanism arranged in the switch cabinet, and also comprises a buffer arc extinguishing assembly and a protection cleaning assembly; blowing and sucking actions of the air bag during switching-on and switching-off are matched with cleaning actions of the cleaning block, the air bag blows out airflow to cut off an arc path during switching-on, and the cleaning block cleans in advance to reduce the possibility of arc generation. During opening, the air bag sucks air and is lengthened to extinguish the arc, the cleaning block cleans again to prevent the arc from reignition, the arc extinguishing capability is greatly improved, and the contact ablation and equipment damage risks are reduced; the buffering function of the arc-shaped block and the air bag and the buffering function of the base plate form a multi-stage buffering mechanism, and abrasion of the contact and equipment parts is reduced; the blowing and suction treatment of the air bag and the dual cleaning effect of the cleaning block enable the contact area of the contact to be cleaner, and the contact resistance is effectively reduced.

The invention discloses a low-voltage grounding device for a low-voltage distribution box, comprising a first clamping head, a second clamping head and other components, wherein the first clamping head and the second clamping head are hinged at the head end of a sliding rod, the sliding rod is connected to a grounding wire, the sliding rod slides in an inner sleeve, a spring is arranged in the inner sleeve, the spring pushes the inner sleeve to move in a direction away from the head end of the sliding rod, and when the inner sleeve slides toward the head end of the sliding rod, the first clamping head and the second clamping head are pushed to approach each other, the sliding rod is provided with a gear, a cam and a non-return rack, the gear is fixedly connected to the cam, the gear is rotatably connected to the sliding rod, one end of the non-return rack is connected to the sliding rod, the non-return rack is elastic, the inner sleeve is provided with a limiting tooth matched with the non-return tooth, the outer sleeve is slidably sleeved outside the inner sleeve, the outer sleeve is provided with a rack extending into the inner sleeve and meshing with the gear, and when the rack pushes the gear to rotate, it can drive the cam to push the non-return rack to fit the limiting tooth. The low-voltage grounding device of the invention is not easy to fall off after connection.

The invention discloses a switch cabinet with an electric leakage emergency protection function, and the switch cabinet comprises an annular pedestal, the bottom of the annular pedestal is rotatably provided with an annular pedestal, the annular pedestal is provided with a plurality of groups of reamed holes along the circumferential side, and the annular pedestal is provided with positioning devices which are located at the two sides of each reamed hole and are used for positioning the conductive grounding rod main body. A notch area is arranged at the position, between the bent rod and the grounding bus end, of the annular base, an isolation cleaning cavity is formed in the annular base, cleaning brushes are distributed on the inner wall of the isolation cleaning cavity along the circumferential side, an inlet end and an outlet end are arranged at the positions, on the two sides of the notch area, of the annular base, and isolation doors are rotationally arranged at the inlet end and the outlet end correspondingly. The annular base rotates to replace the conductive grounding rod body between the bent rod and the grounding bus end, the replaced conductive grounding rod body is transferred into the isolation cleaning cavity for isolation cleaning, the grounding conductive rod body can be replaced and cleaned regularly, and it is guaranteed that the grounding conductive rod keeps conductive effectiveness.

This application discloses an electrical cabinet and an energy storage system, relating to the field of power equipment technology. The electrical cabinet includes a cabinet, electrical modules, and a first fire-fighting device. The cabinet has a first chamber and a second chamber, separated by a first partition, which is a fire-resistant partition. The electrical modules are housed in the first chamber, and the first fire-fighting device is housed in the second chamber. The first fire-fighting device has at least one outlet for releasing fire extinguishing material to the outside of the cabinet. According to this application, by using the first partition to separate the first and second chambers, the safety performance of the electrical cabinet is improved, ensuring that a fire in the electrical modules will not affect the first fire-fighting device, allowing the first fire-fighting device to function normally, thus reducing losses caused by fires in the electrical modules.

The utility model relates to a grounding assembly of a power distribution cabinet, which comprises a spring, a cabinet door connecting plate, a cabinet body connecting plate and a grounding cable, the cabinet door connecting plate is arranged at one end of the spring, one end of the spring is connected to the inner wall of the cabinet door through the cabinet door connecting plate, and the cabinet body connecting plate is arranged at the other end of the spring. The other end of the spring is connected in the cabinet body through the cabinet body connecting plate, the grounding cable is arranged in the spring, one end of the grounding cable is connected with the cabinet door connecting plate, the other end of the grounding cable is connected with the cabinet body connecting plate, and the length of the grounding cable is larger than that of the spring. According to the utility model, the grounding cable is always kept in a connection state in the opening and closing process of the cabinet door, the problem that the grounding cable is damaged due to stretching or compression in a traditional grounding mode is avoided, the grounding reliability is improved, and meanwhile, the grounding cable is directly connected with the cabinet door and the cabinet body, so that the problem of poor contact is avoided.

The utility model discloses a reinforced grounding device for an electrical cabinet, which belongs to the technical field of electrical cabinets, and is characterized by comprising a fixing rod, the top of the fixing rod is fixedly connected with an installation assembly, the inner side of the installation assembly is connected with a connecting block in an inserted manner, and the left side of the connecting block is fixedly connected with a grounding wire. A connecting piece is fixedly connected to the rear side of the grounding wire, a fixing block is bolted to the inner side of the connecting piece, the bottom of the mounting disc is fixedly connected with the top of a fixing rod, and the top of the mounting disc is fixedly connected with the bottom of a connecting column; the utility model provides a reinforced grounding device for an electrical cabinet, which solves the problems that the grounding of the existing electrical cabinet is generally pure linear electric wire connection between the electrical cabinet and the ground, the grounding wire of the existing electrical cabinet is short of certain extensibility and is easy to break, and the electric wire is directly fastened by a nut and is easy to fall off in the existing installation mode. And the grounding effect of the motor cabinet is influenced.

The utility model relates to the technical field of construction site power distribution, in particular to a movable power distribution box platform deck which comprises a protection cage and a bottom plate, lifting lugs are arranged on the upper side of the protection cage, a wood plate pad is arranged on the upper side of the bottom plate, at least three sets of sliding seats are arranged on the lower side of the bottom plate, and sliding rails are arranged on the lower sides of the sliding seats. A batten is arranged on the lower side of the sliding rail, and stabilizing blocks are arranged at the two ends of the batten; the sliding seat comprises a guide rail seat, rollers and sliding pins, the multiple sets of sliding pins are evenly arranged on the upper side of the guide rail seat, groove walls matched with the sliding pins are arranged on the lower surface of the bottom plate, and the groove walls are perpendicular to the sliding rails; distribution boxes are installed in the protection cage in a centralized mode, the wood base plate is arranged at the bottom, the distribution boxes are convenient to fix, insulation is achieved, safety is guaranteed, in addition, the sliding seats are arranged and matched with the sliding pins to achieve longitudinal and transverse movement and small-range rapid adjustment, use convenience is improved, bottom wood beams can be rapidly laid and adjusted, and operation is convenient.

The invention discloses a delay interlocking protection high-voltage power distribution cabinet and method based on an intelligent power grid, and relates to the technical field of high-voltage power distribution cabinets, the delay interlocking protection high-voltage power distribution cabinet comprises a cabinet body, electrical elements in the cabinet body, a cabinet door rotatably installed on the cabinet body, and a power supply connection module rotatably provided with a pull switch; the power supply connection module is fixedly installed in the cabinet body, and the side edge of the cabinet body is provided with a strip-shaped through hole. The device has the advantages that when interlocking protection between the cabinet door and the power supply connecting module is carried out, the cabinet door is opened after a power supply is turned off, the safety is higher, meanwhile, a pull switch is locked after the cabinet door is opened, the situation that the power supply connecting module is started due to mistaken touch is avoided, in addition, after the cabinet door is opened, opening and closing of the power supply connecting module can be controlled freely, and the safety is higher. In addition, after the power supply is turned off, the residual current in the electrical elements can be reduced by grounding and increasing the resistance in the circuit loop, and the circuit protection device has the advantage of protecting the circuit.