56results about "Shutters/guards preventing contact access" patented technology

The utility model discloses a kind of secondary safety protection devices for transformer substation, including safety protection device, the safety protection device includes operation panel safety protection, terminal row safety protection, air switch safety protection, presser plate safety protection and conversion handle safety protection, the operation panel safety protection includes first lock catch, operating fully-enclosed panel and first maintenance isolation lock, the operation panel safety protection is fixed operating fully-enclosed panel by first lock catch, the first maintenance isolation lock is installed on first lock catch.The utility model adopts more advanced, reliable technical means, to ensure the safety of secondary circuit in construction, technical improvement, extension and routine maintenance process, can realize the effective isolation to high-risk circuit, prevent construction personnel from mistaken touch, simultaneously should have good durability and stability, ensure that protective effect is lasting and effective.

This utility model relates to an electric shock protection safety isolation distribution box, belonging to the technical field of distribution boxes. The electric shock protection safety isolation distribution box includes a distribution box, an air switch installed on the inner wall of the distribution box, an isolation transformer installed on the inner wall of the distribution box, a fixing component installed at the bottom of the isolation transformer, and a branch sealing component installed on the inner wall of the distribution box. This utility model allows adjustment of the distance between two L-shaped brackets by unscrewing a screw on one side and pulling a slider. The slider's sliding distance is adjusted according to the bottom hole position of the replacement isolation transformer. The screws are then tightened to fix the L-shaped brackets to the inner wall of the distribution box. Finally, the new isolation transformer is installed in the corresponding square slot. This improves versatility and flexibility, eliminating the need for custom-made enclosures for different transformers, reducing equipment replacement or upgrade costs, adapting to different power and model requirements, and broadening the applicable scenarios.

The utility model discloses a kind of anti-mis-touch insulation protection type distribution switch control structures, it is related to distribution switch technical field, including electric switch control main part, the front side of electric switch control main part is provided with protective cover, the protective cover is hinged with electric switch control main part by hinge, the inside of the protective cover is equipped with insulating layer, the inside of electric switch control main part is detachably connected with distribution board, the surface of distribution board is fixedly installed with anti-mis-touch switch, the both sides of electric switch control main part are provided with vent. The utility model through line board and auxiliary board cooperation, line passes through U type passageway, and utilize rebound column and clamping block rebound tight pressure, line is fixed with limit, make line in turn from U type passageway bottom and go out, reach the function of planning line installation, and cooperate auxiliary board and top and be connected with auxiliary, it is beneficial to distribution switch control structure internal neat line, increase the stability of internal structure.

This utility model discloses a DC traction substation distribution cabinet device, including a cabinet body. A closed door is movably connected to one side surface of the cabinet body, and heat dissipation holes are provided on both sides of the cabinet body. A positioning top plate is fixedly connected to one side surface of the cabinet body, and a lifting adjustment component is provided at the lower end of the positioning top plate. This utility model changes the position of the connecting rod by moving the toggle block and squeezing the limit spring, thereby changing the engagement relationship between the cross-shaped locking block and the cross-shaped slot. This allows the connecting rod and related components to rotate independently without being rotated by the circular tube, enabling the protective plate to be opened and closed independently. Only the parts that need to be inspected or maintained are exposed, which can significantly reduce the opportunity for operators to come into contact with other unrelated parts inside the cabinet, simplify the operating environment, and thus reduce the risk of equipment failure or safety accidents caused by accidental contact.

The application discloses a false operation preventing mechanical locking device of a substation grounding wire, which comprises a device locking end, a grounding locking end and a connecting pipeline connected between the two ends, the device locking end and the grounding locking end are respectively used for connecting a device and a grounding end, the device is provided with a device connecting rod used for being connected with the device locking end, a device connecting port used for being connected with the grounding wire and a cover plate assembly used for sealing the device connecting port, the grounding end is provided with a grounding connecting rod used for being connected with the grounding locking end and a grounding connecting port used for being connected with the grounding wire, in the process that the grounding wire is connected with the grounding connecting port, the grounding wire is contacted with the grounding locking end and drives the grounding locking end to act, the grounding locking end drives the device locking end and the cover plate assembly to act through the connecting pipeline, the device connecting port is exposed, the sequence of first grounding and then connecting the device is forced, false operation of the grounding wire operator is effectively prevented, and personal and device safety is ensured.

The utility model relates to a direct current transmission cabinet technical field especially, it relates to a direct current transmission cabinet convenient to carry out wiring, including base, the top of base is provided with the cabinet body, the surface fixed assembly of the lower extreme of cabinet body with base through screw, the inside of cabinet body is provided with insulating board, and the insulating board is high strength plastic, the front of insulating board is attached and is provided with accessory board structure is set up in the both sides of accessory board respectively, can with multiple accessory connection's line, centralized place in the wire channel of wire holder seat, and lead out to one side, when operating wire holder seat, through pull head can pull wire holder seat, through the tensile effect of spring, make wire holder seat far from accessory board stretch out to the outside, expose the interval of wire channel, and each line is inserted into wire channel, after the centralized guidance of line, through the reset effect of spring, make wire holder seat can contact with accessory board again, make wire channel annularly close again, complete the centralized wire combing of multiple lines.

This utility model discloses a maintenance-friendly power distribution cabinet, belonging to the technical field of power distribution cabinets. The utility model includes a protective outer shell, which comprises a housing with a door on the front and a door on each side, each door having an observation window. A circumferential rotation mechanism includes two corresponding bearing seats, each bearing seat having a shaft positioning hole that aligns with a shaft. The shaft connects to an equipment support frame. Inside the equipment support frame, three corresponding dovetail guide rails are distributed on each of the left and right sides. The dovetail guide rails slide in conjunction with dovetail sliders, and a support rod is connected between two dovetail sliders. The circumferential rotation mechanism also includes a support seat, the layout of which is identical to that of the bearing seats. The bearing seats and support seats are stacked inside the protective outer shell. This utility model solves the problems of common power distribution cabinets, such as immobile frames, difficult maintenance, and difficulty in observing internal conditions, through modular layering of the internal space and the addition of multiple visual doors.

This utility model discloses an intelligent, secure, anti-theft, and temperature-measuring high and low voltage switchgear, belonging to the technical field of high and low voltage switchgear. It includes a switchgear body, a cabinet door, and a combination lock. The cabinet door is connected to the middle of the switchgear body via hinges, and a combination lock is installed on the surface of the cabinet door. A protective shell is fitted onto the surface of the combination lock and fixed to the surface of the cabinet door. A baffle is attached to the surface of the protective shell. A slider is fixed to the side of the baffle and the protective shell that are in contact with each other, and the surface of each slider is fitted with a groove fixed to the outer wall of the protective shell. When the operator is not using the combination lock, it is convenient for the operator to cover the lock, preventing accidental contact and improving usability. Simultaneously, once the baffle is fixed, it prevents the operator from pulling the protective shell, which would open the baffle, thus improving the safety of the baffle and the protective shell.

This utility model discloses a lightning protection power cabinet for new energy applications, belonging to the field of power equipment technology. It includes an outer casing and an inner casing, with the inner casing suspended inside the outer casing. An outer door is rotatably connected to the side of the outer casing, and an inner door is located on the side of the outer door. Several nylon support blocks connect the outer and inner casings, and between the outer and inner doors. The outer and inner doors respectively cover the openings of the outer and inner casings. A connecting frame is installed inside the inner casing near its top. In this design, the outer and inner casings are suspended and separated by nylon support blocks, forming a non-conductive air layer between them. This prevents external lightning current from being directly conducted to the electrical components inside the inner casing. A surge protector is installed on the connecting frame at the top of the inner casing, near the input terminal of the electrical components. It can quickly respond to lightning overvoltages, promptly discharge surge energy, and ultimately provide lightning protection for the electrical components.

The utility model relates to the technical field of power distribution cabinets, in particular to a power distribution cabinet bus fixing device which comprises an insulating plate, a first clamping structure is arranged on the end face of one side of the insulating plate, and a second clamping structure is arranged on the end face of the other side of the insulating plate. The first clamping structure comprises two first plates, the two first plates are vertically arranged on the left side and the right side of the insulating plate respectively, first protrusions are arranged at the ends, away from the insulating plate, of the opposite sides of the two first plates, and the second clamping structure comprises two second plates which are horizontally arranged on the upper side and the lower side of the insulating plate respectively; the middle portions of the end faces of the two sides of the insulating plate are respectively provided with a cylinder perpendicular to the end faces, the bus is installed efficiently and conveniently, and the insulation reliability is high.

The utility model discloses a kind of electric shock protection structure of charging pile switchboard, it is related to charging pile switchboard technical field.The utility model includes switchboard, the door plate is hingedly installed in switchboard front, the door plate front is fixedly connected with danger warning board one, the door plate inside is rotatably connected with pivot, the pivot is also set in switchboard front opening bottom, further include: protection part, the protection part is installed in the inside of switchboard.The utility model is by setting protection part, specifically is that plastic protection plate is installed to the plastic support frame of top and bottom, plastic protection plate is limited and fixed on plastic support frame, when door plate is opened, then plastic protection plate will shield inside electrical component, avoid staff or outsider directly with wiring terminal contact, protect user not to be threatened by electric shock, and safety warning board two will remind staff danger, facilitate staff to do protection measure in advance.

The utility model discloses an insulation baffle behind 400V distribution cabinet with electrification display and quick detach function, including device main part, the both ends fixed setting of device main part have insulating plate, and the upper end of insulating plate is provided with the handle, and the inner wall of device main part is provided with the heat dissipation mouth, the both ends below of device main part all are provided with quick detach mechanism, and quick detach mechanism includes the continuous box seat and the connecting plate piece, and the continuous box seat sets up one end below of device main part, and the connecting plate piece is inserted in the inside of continuous box seat, and the both ends of connecting plate piece are connected elastic buckle through elastic part, and elastic buckle is hinged with the buckle groove on the inner wall of continuous box seat, and still is provided with the plug buckle on the inner wall of continuous box seat and is inserted, and the reset piece is set up outside plug buckle, and the plug buckle drive elastic buckle is separated from buckle groove by pressing. Through integrated quick detach mechanism and electrification reminding mechanism, not only has realized the convenient installation, quick detach of device main part, also has enhanced the safety warning function of equipment greatly, has provided more safe, efficient solution for the installation, maintenance and operation of electric power equipment.

This utility model discloses a mechanical interlocking device for preventing misoperation of a ring main unit, including a ring main unit body, a circuit breaker switch, a disconnecting switch, a grounding switch, and a cable compartment door lock. The circuit breaker switch, disconnecting switch, grounding switch, and cable compartment door lock are all installed on the front of the ring main unit body. These components control the opening and closing of the circuit breaker, disconnecting switch, grounding switch, and cable compartment door lock within the ring main unit body. This utility model employs a guided approach to assist electrical operators in operating the equipment according to a set sequence. While ensuring the prevention of misoperation, it effectively improves efficiency, reduces the occurrence of incorrect operating sequences, and effectively reduces the risk of damage to the switches. Furthermore, it allows for safe operation without requiring extensive experience from the electrical operators.

The utility model discloses a multifunctional YB preinstalled box type substation, including box type substation body, medium voltage switch box, transformer box, low voltage distribution equipment box, be equipped with medium voltage switch box, transformer box, low voltage distribution equipment box on the box type substation body, the bottom of box type substation body 1 is equipped with substation base, and the top of box type substation body is equipped with substation top, and the bottom of medium voltage switch box is arranged on the left end top of substation base, and the front and rear of medium voltage switch box bottom are equipped with limit stopper, and the inside of transformer box is equipped with transformer, and the bottom of transformer box is equipped with adjustable mounting groove near both sides, and the side wall of transformer box one side is equipped with the connecting through seat, and the metal through piece cooperation connection between connecting through seat and transformer, and this box type substation body has compact structure, and the complete set nature is strong, and the function is comprehensive, and the operation safety is high, and moreover, the late period is convenient expansion, maintenance.

The utility model discloses an anti-electric shock distribution box, which belongs to the technical field of power distribution cabinets and comprises a box body, a cover body, a rubber spacer ring, an electrical module, a circuit board unit and an insulation isolation unit. The box body and the cover body are oppositely arranged in an opening and closing mode, and the rubber spacer ring is arranged between the box body and the cover body. The electrical module is arranged in the box body, and the electrical module is connected to the circuit board unit; the plurality of insulation isolation units are respectively connected with the circuit board unit and the box body. The anti-electric shock distribution box provided by the utility model solves the technical problem of how to improve the insulation protection performance of the distribution box.

The utility model discloses a novel function isolation board, including half piece function board middle end, half piece function board middle end inboard installs busbar bushing plate, and its top and bottom can pass through screw installation upper seal plate and lower seal plate respectively, and one side edge integral fixedly connected connecting plate is established with a plurality of connecting holes, and half piece function board middle end is located the screw groove of installing on the up and down position of connecting plate one side, and connecting plate passes into screw rod through connecting hole and screws into corresponding screw groove, realizes the fixed connection of both, and half piece function board middle end one side fixedly connected mounting plate, and its other side all along vertical direction are established with a plurality of mounting holes, and this isolation board can realize the stable assembly of busbar bushing plate and half piece function board middle end, provides unified adaptive structure for the installation of whole and external component, reduces assembly difficulty, promotes efficiency, also supports the flexible adjustment of overall specification to a plurality of superimposed splicing to keep structural coherence, satisfies the function and assembly demand of electrical equipment to isolation board.

The utility model relates to the field of power distribution cabinet discloses a protection mechanism and power distribution cabinet its including protection component, the protection component includes protection box, installs switch in protection box inside, and installs rotating assembly in switch outside, auxiliary component, the auxiliary component includes the indication component of installing in rotating assembly outside, and installs locking assembly in protection box inside, rotating assembly is used for controlling the on-off of switch, the indication component is used for showing the on-off state of switch, locking assembly is used for locking rotating assembly, through the cooperation of each spare part, can make staff not need direct contact operating handle, can carry out on-off electricity switching to switch body, reduce staff electric shock risk, in addition through setting locking assembly, can effectively prevent staff mistake and cause to switch body carry out the wrong on-off electricity switching of switch, so that the power supply work abnormal situation.

This utility model relates to a support frame for a valve plate of a medium-voltage switchgear contact box, comprising two guide rails and two valve plates, the valve plates being slidably fitted onto the two guide rails; the upper end of each valve plate is provided with an opening groove corresponding to the guide rail, the valve plate slidingly engaging with the guide rail through the opening groove; by setting the opening groove and a baffle, the side opening end of the opening groove is opened, allowing the valve plate to be fitted onto the guide rail from the side of the guide rail through the side opening end of the opening groove, and the side opening end of the opening groove is blocked by the baffle, improving the stability of the valve plate sliding vertically on the guide rail; by setting a limiting pin, a spring pushes one end of the limiting pin to slide out of the groove and insert into the positioning groove, automatically positioning the valve plate on the guide rail, facilitating the installation efficiency of the valve plate, and eliminating the need to disassemble the guide rail, the valve plate can be installed or removed from the side of the guide rail, improving the efficiency and convenience of valve plate replacement.

The utility model relates to a kind of medium voltage ring main unit static contact shielding cover, including two symmetrically arranged in the static contact two sides cover body and a for connecting static contact and two cover body's fixed plate, cover body includes trapezoidal flat plate part, annular side plate part, annular transition part, waist-shaped protrusion and reinforcing rib, annular transition part surrounds in trapezoidal flat plate part four around, annular side plate part is located annular transition part inboard, the two sides of annular transition part respectively through rounded corner connection trapezoidal flat plate part and annular side plate part, waist-shaped protrusion and reinforcing rib are arranged in annular side plate part inboard, fixed plate is U-shaped structure, fixed plate is set between two cover body, the two sides of fixed plate respectively through screw and the waist-shaped protrusion of two cover body's detachable connection, the middle part of fixed plate is opened for connecting static contact's mounting hole;The utility model is simple in structure, easy to install, can effectively improve the electric field in disconnecting switch, improve the overall performance and reliability of medium voltage ring main unit disconnecting switch.

The utility model discloses a drawer type low voltage distribution cabinet primary plug -in component static contact wiring terminal protection cover of preventing electrified mistake opening, relate wiring terminal protection cover technical field. Its technical scheme is: the top of protection cover body is provided with the limiting plate, and the outside of cabinet back plate corresponds the limiting plate and is provided with the limiting mechanism, and the limiting mechanism includes the mounting seat of setting on the cabinet back plate, and the horizontal channel of setting in the mounting seat is penetrated, and the horizontal channel is provided with the linkage lever, and the middle part of linkage lever is provided with the middle fixed plate, and the both sides of middle fixed plate are respectively provided with the spring on the linkage lever, and one end of two springs is fixed on the middle fixed plate, and the other end is fixed on the both ends of horizontal channel respectively, limiting hole is set up on the limiting plate corresponding linkage lever, and when the spring away from the cabinet back plate is in compression state, linkage lever inserts into the limiting hole. The utility model discloses the protection cover body of forced locking electrified state, and the safety of drawer type low voltage distribution cabinet has been improved.

The utility model discloses a double -deck structure electric cabinet, including rear box, front box and front door, install high -voltage device, DC power supply and high -power heat abstract component in the rear box, install DC component device in the front box, and the front door is used to show the inside operation state of front box, the rear box is connected through the hinge with the front box, and the side plate of rear box is equipped with special lock and front box linkage locking, the front door is connected with the front box through the hinge, and the rear box back is equipped with standardization draw -in groove. The utility model discloses scientific and reasonable structure design, realizes the physical isolation of high -voltage and low -voltage device through the chamber design of rear box and front box, solves the low space utilization rate and the serious problem of electromagnetic interference of traditional electric cabinet, improves the space management efficiency and equipment operation stability, and the front door covers transparent PC board, can show the inside operation state of front box in real time, reduces the frequent cabinet operation.

This utility model discloses a visual grounding box equipped with explosion-proof glass, relating to the field of grounding box technology. Existing grounding boxes require the removal of the cover to observe internal components during daily use. This utility model includes a box body with a detachable cover on one side, on which explosion-proof glass is fixedly installed. A grounding assembly is located within the box body's interior, comprising an insulating plate with a protector, a current transformer, and a copper busbar. A display screen is fixedly installed on one side of the box body's interior. A detachable sheath circulation current monitoring device is located on the side of the box body near the display screen, with a second current transformer fixedly installed at the lower end of the sheath circulation current monitoring device. An array of wiring holes is provided at the lower end of the box body. This technical solution allows personnel to conveniently observe the working status of internal components and real-time information on the display screen through the explosion-proof glass, without removing the cover, reducing the safety hazards associated with repeated cover removal and installation, and improving the convenience and safety of the grounding box.

The present invention provides a hybrid power supply busbar, a busbar board, a power supply system, and a method for assembling a busbar board. The hybrid power supply busbar comprises: a first-type connection portion (110) having a plurality of regularly placed slots (112) for receiving, from a front side (FS) of the busbar (100), electrical and / or mechanical interfaces (511-i, 512-i) of electric devices of a first connection type (510a, 510b); a second-type connection portion (120) having a front-side contact part (122) at the front side (FS) of the busbar (100) and a rear-side engagement part (124) facing away from the front-side contact part (122), for first electrical and / or mechanical interfaces (521-i, 523-i) of electric devices of a second connection type (520a, 520b) to engage the rear-side engagement part (124); and a rear-side power-coupling portion (130) extending from the second-type connection portion (120) and away from the front side (FS) of the busbar (100), for receiving a feed-in current for powering the busbar (100) and / or for providing a feed-out current at a rear side (RS) of the busbar (100).

The utility model relates to high low voltage cabinet technical field, concretely is a kind of high low voltage cabinet of anti-misoperation, including cabinet and the multiple button components of being set on cabinet, the cabinet is provided with the shroud that is wrapped on the button component, and the side of shroud is all set up operating opening, the side inner wall of shroud is rotatably connected with two rotating shafts, and the rotating shaft is all fixed with gear, the top of gear is all fixed with swing seat, and the top of swing seat is all fixed with the opening and closing plate for sealing operating opening, the shroud is provided with the knob component for adjusting the angle of two gears;The utility model is sealed operating opening by opening and closing plate, avoids personnel unintentional touch button component, greatly reduces the probability of misoperation, guarantees the safety and stability of high low voltage cabinet operation, and can complete the opening action of opening and closing plate in very short time, satisfies the quick operation demand of button component under emergency.

This utility model relates to the field of electrical distribution cabinet wiring technology, and discloses an insulated wiring device for an explosion-proof electrical distribution cabinet. It includes a distribution cabinet body, a wiring bracket fixedly connected inside the body, a load-bearing plate fixedly connected to the outer wall of the wiring bracket, a connecting post fixedly connected inside the load-bearing plate, and a wiring assembly inside the connecting post. The wiring assembly includes a protective cover fitted to the inner wall of the connecting post, and a second connecting post fixedly connected to the outer wall of the protective cover. A spring is provided at one end of the second connecting post. In this utility model, by passing the connecting wire through several protective covers inside two connecting posts, the protective covers are pushed by the connecting posts connected to the springs. The two protective covers are tightly connected under the elastic force of the springs, fixing the connecting wire, ensuring its sealing, preventing tangling or crossing, and keeping the cabinet interior clean.

The application discloses a condensation-preventing contact protection device for a high-voltage switch cabinet, and relates to the technical field of high-voltage switch cabinets.The device comprises a cabinet body, a contact box fixed in the cabinet body, a connecting block fixed to the outer wall of the contact box, a sliding rod arranged on the top of the connecting block, a reset spring sleeved on the sliding rod, an annular box slidingly assembled on the sliding rod, and a gas storage box fixedly connected to the outer wall of the contact box.The device can solve the problem that, when a high-voltage switch cabinet is operated at night, the cabinet body rapidly dissipates heat, the contact box and the internal current-carrying components continue to generate heat, a significant temperature difference is formed between the inner cavity of the contact box and the environment in the cabinet, and hot and humid air condenses on the inner wall of the contact box to form condensation.The condensation can cause problems such as insulation reduction of the contact box, surface creepage, contact oxidation and corrosion, and can easily cause short circuit, equipment burning, unplanned power outage and other serious accidents, and is a core hidden danger for safe and stable operation of the high-voltage switch cabinet.

The utility model relates to a kind of low-voltage safety power supply cabinet of preventing mistaken touch, to solve the current low-voltage switch cabinet when maintenance, operator sometimes forgets manual power-off, when overhauling, tool is easy to touch the element in power supply cabinet, not only can cause the short-circuit damage of element, but also easily cause the technical problem of electric shock danger, including cabinet and cabinet door articulated on cabinet by hinge, disconnecting mechanism and mistaken opening prevention mechanism are arranged between the cabinet and the cabinet door, the utility model has to the power supply cabinet when overhauling, and then avoid personnel to power supply cabinet overhauling, mistaken touch live part, cause electric shock danger, and extrusion rod is placed in the inside of round groove, to avoid the circuit breaker contact ablation, capacitor oil leakage, ground failure etc. component in the inside of cabinet when overhauling personnel to the circuit breaker contact ablation, capacitor oil leakage, ground failure etc. component, overhauling personnel mistaken touch extrusion rod, make the contact piece on the lapping plate and moving disc make power supply cabinet energization, cause electric shock to overhauling personnel.

This invention relates to the field of power distribution cabinet protection technology, and provides a power distribution cabinet terminal block insulation isolation protection device, including a protective rail, side sliding groove, side sliding track, locking mechanism, protective module, opening and closing mechanism, and linkage switch mechanism. The protective module consists of a front protective seat, a rear protective seat, a protective cover, a sealing seat, an adsorption component, a side inspection plate, and a top inspection plate. The linkage switch mechanism cooperates with the opening and closing mechanism to realize the synchronous opening and closing of the top inspection port and the side inspection port, simplifying the operation process and improving the efficiency of wiring and disconnection. The protective module not only forms a fully enclosed insulating protective cavity for the terminal block, physically isolating the live terminal block from the internal space of the power distribution cabinet and reducing the risk of accidental electric shock, but also allows for flexible splicing according to the length of the terminal block, adjusting its coverage length to adapt to terminal blocks of different specifications or different numbers of sections, effectively improving the versatility and adaptability of the protection device.