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421results about "Switchgear details" patented technology
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Low-voltage complete switch cabinet with long service life
The invention relates to a high-service-life low-voltage complete switch cabinet applied to the field of power distribution, a feedback assembly is arranged on a movable mounting plate, a plurality of butt joint grooves with different diameters corresponding to the feedback assembly are formed in a static mounting plate, and in the closing process of a drawer body, the position accuracy of the drawer body can be monitored and fed back in real time through the feedback assembly; when the position of the drawer body deviates, movement of the drawer body can be stopped immediately and early warning can be carried out, so that the movable contact and the static contact are not prone to butt joint dislocation, damage of the movable contact and the static contact is reduced, the service life of the device is prolonged, meanwhile, the position deviation degree of the drawer body can be effectively judged through comparison of actual monitoring data and initial data of the feedback assembly, and the accuracy of the device is improved. Besides, through the arrangement of the image acquisition assembly, image acquisition is performed on the state of the feedback assembly, the position condition of each long rod is obtained, the position deviation degree of the drawer body is further visually and accurately judged, and a more effective data supporting effect is achieved for subsequent inspection of the drawer body.
Owner:HUNAN TAINENG ELECTRIC POWER CONSTRUCTION CO LTD
Draw-out type power distribution cabinet and use method thereof
ActiveCN119834104ASwitchgear detailsSubstation/switching arrangement casingsStructural engineeringMechanical engineering
The invention relates to the technical field of power distribution cabinets, in particular to a draw-out type power distribution cabinet and a using method thereof.The draw-out type power distribution cabinet comprises a main cabinet body, a guide rod and a drawer box, and a clamping mechanism, a transmission mechanism and a reset mechanism are installed at the bottom of the drawer box. In the process that the drawer box is taken out of the containing cavity of the main cabinet body, two sets of pop-up clamping blocks in the clamping assembly move towards the two sides and are clamped and locked with the two corresponding sets of guide rods, the drawer box is supported and fixed in the vertical direction, after the drawer box is overall taken out of the containing cavity, the drawer box can be unlocked and moved in the vertical direction, and therefore the drawer box can be conveniently taken out. According to the drawer cabinet, the two groups of pop-up clamping blocks in the clamping assembly can be driven by the reset mechanism to be reset and stored at the bottom of the drawer box, so that the two groups of pop-up clamping blocks are separated from the two groups of guide rods, and the drawer box can be disassembled, so that the problem that an existing drawer cabinet has high operation requirements on workers in the drawing and carrying processes due to the fact that the weight of the drawer cabinet is large is solved.
Owner:SHENZHEN JIDIAN ELECTRIC POWER TECH CO LTD
Intelligent safety protection device for switch cabinet
InactiveCN120473841ASwitchgear detailsDispersed particle separationElectric power systemMoisture permeation
The invention relates to the technical field of safety protection of power system equipment, in particular to an intelligent safety protection device for a switch cabinet, which comprises a cabinet body, the cabinet body is divided into a four-chamber structure, the upper part of the cabinet body is a bus chamber and is internally provided with a wire row template, the middle part of the cabinet body is a circuit breaker chamber and is connected with the bus chamber through a bus joint end plate, and the lower part of the cabinet body comprises two chambers. The independent sealing structure of the four chambers of the cabinet body is combined with condensation and drying circulation processing of the circulation collection assembly on moisture, moisture permeation among the chambers is effectively avoided, and the risk of insulation degradation is reduced. A humidity sensor monitors humidity distribution of each chamber in real time, triggers a generator to drive fan blades to accelerate airflow circulation and prevent local condensation, and triggers a sound-light alarm when the water level of a collecting pipe exceeds the limit to avoid short circuit caused by overflow of condensate water; the environment sealing assembly is in linkage with the traction rod through the limiting guide frame, an opening of the heat dissipation cover can be rapidly closed when external dust or humidity is too high, an internal circulation mode is switched, external pollution is isolated, and the operation safety of the device is improved.
Owner:HEBEI KECHAO ELECTRICAL EQUIP CO LTD
Method and device for evaluating contact state of high-voltage switch cabinet wrench contact and terminal equipment
ActiveCN114720860BSwitchgear detailsCircuit interrupters testingElectrical engineering technologyControl engineering
The application is suitable for the electrical engineering technical field, and provides a high-voltage switch cabinet plum blossom contact contact state evaluation method, device and terminal equipment, the high-voltage switch cabinet plum blossom contact contact state evaluation method comprises the following steps: calculating the temperature rise limit value of the plum blossom contact under the current operating condition according to the equipment operating parameter of the high-voltage switch cabinet;Determine the minimum limit value of the contact pressure of the single contact finger of the plum blossom contact;Calculate the maximum limit value of the contact pressure of the single contact finger of the plum blossom contact;Based on the temperature rise limit value, the minimum limit value and the maximum limit value of the contact pressure of the plum blossom contact, the plum blossom contact contact state evaluation criterion is established.The application utilizes the contact state evaluation criterion, can effectively guide the equipment operation and maintenance personnel to carry out equipment operation and maintenance, and ensures the safe and good operation of the plum blossom contact.
Owner:STATE GRID HEBEI ELECTRIC POWER RES INST +1
Draw-out type low-voltage switch cabinet and operation method
PendingCN119813000ASubstation/switching arrangement detailsSwitchgear detailsStructural engineeringMechanical engineering
The invention relates to the technical field of switch cabinets, in particular to a draw-out type low-voltage switch cabinet and an operation method.The draw-out type low-voltage switch cabinet comprises a cabinet body, a plurality of containing cavities are evenly formed in the cabinet body, two connecting sliding rails are symmetrically arranged in the containing cavities, a drawer is connected between the two connecting sliding rails, and a locking mechanism is arranged on the drawer; the locking mechanism comprises a first locking assembly and a second locking assembly. According to the invention, through arrangement of a second locking assembly, a locking bar can be driven to move up and down through movement of a sliding block and a locking rod, when an electric appliance element needs to be replaced, the locking rod is withdrawn, the locking bar is inserted into a limiting notch at the moment, the drawer does not turn over when being pulled out, and after the drawer is completely pulled out, the locking bar moves upwards, so that the electric appliance element is replaced. When the drawer is locked, the drawer is unlocked and turned to be in a vertical state, then the locking strip is moved downwards, the drawer is locked again, at the moment, all the electrical components in the drawer are exposed, and replacement is convenient.
Owner:HUANENG JINING YUNHE POWER GENERATION CO LTD
Switch cabinet five-prevention system based on digital real-time monitoring and monitoring method
InactiveCN120527764ABoards/switchyards circuit arrangementsCircuit arrangementsExternal dataMonitoring methods
The invention discloses a switch cabinet five-prevention system based on digital real-time monitoring. The switch cabinet five-prevention system comprises a state signal monitoring module, an anti-error logic verification module, a locking driving module, a man-machine interaction module and a communication module. The invention further provides a monitoring method of the switch cabinet five-prevention system based on digital real-time monitoring. The monitoring method comprises the following steps: (1) comprehensive digital sensing; (2) performing real-time logic verification; (3) accurate locking; (4) intelligent prompting; and (5) sharing external data. The five-prevention function is realized by adopting the digital technology, the work division is clear, the cooperative work is realized, the accuracy is high, and the reliability and the stability of the five-prevention system are improved.
Owner:广东正超电气有限公司
GIS switch cabinet with stable safety device
The invention relates to the technical field of GIS switch cabinets, and discloses a GIS switch cabinet with a stable safety device, the GIS switch cabinet comprises a switch cabinet, the inner cavity of the switch cabinet is provided with a circuit breaker mounting bin, the inner cavity of the switch cabinet is also provided with a static contact, and the bottom of the circuit breaker mounting bin is fixedly provided with a slide rail component. And a slidable handcart component is arranged on the inner wall of the slide rail component. A second fixing plate, a rotating frame, a rotating wheel and a pull rod are wrapped through a protection plate, so that personnel cannot directly make contact with the structure, and the problem that when no circuit breaker body exists in the circuit breaker installation bin, personnel can open and close a valve assembly at will, and consequently electric shock accidents are increased is solved. By limiting the two groups of rotating frames, the two groups of rotating frames are kept in a locked state, so that the problem that the two groups of rotating frames relatively move due to external force when the top of the track does not bear the circuit breaker main body through the handcart component is solved, and the safety of the valve component is further improved.
Owner:CCCC MECHANICAL & ELECTRICAL ENG
A make-and-break mechanism for handling phase-to-phase faults
ActiveCN113764235BSwitchgear detailsEmergency protective circuit arrangementsControl theoryMechanical engineering
The application discloses a kind of on-off mechanism for processing phase-to-phase fault, including two single-pole double-throw switches and a third switch, single-pole double-throw switch includes first arc chamber and second arc chamber, first fixed contact is provided in first arc chamber, second fixed contact is provided in second arc chamber, first composite movable contact is provided between first arc chamber and second arc chamber, first composite movable contact one end is located in first arc chamber, first composite movable contact other end is located in second arc chamber, first composite movable contact is connected with first fixed contact when then is disconnected with second fixed contact, first composite movable contact is connected with second fixed contact when then is disconnected with first fixed contact;Third switch includes third arc chamber, third fixed contact and third movable contact are provided in third arc chamber.The on-off mechanism structure is simple, can realize one fault phase conduction and make another fault phase connect ground or public wire, and it is convenient to be used with existing screen cabinet, with important practical value.
Owner:BAODING YUXIN ELECTRICAL TECH
Connector device
Connector device used for a drawer of a control cabinet, wherein the drawer has three position states, namely a disconnect position, a test position and an operating position, characterized in that it comprises: a first support (1), wherein the first support (1) comprises a first support body (11), a first locking hole (12) provided in the first support body (11), and first guide holes (13), wherein the first guide holes (13) are arranged in a diagonal direction, and wherein the first support (1) is mounted on a cabinet body of the control cabinet; a second support (2), wherein the second support (2) comprises a second support body (21), a second detent hole (22) provided in the second support body (21), and first guide rods (23) that fit the first guide holes (13); and a third support (3), wherein a damping mechanism is provided between the third support (3) and the second support (2) for the purpose of enabling movement of the third support (3) relative to the second support (2), wherein the third support (3) is mounted in the drawer of the control cabinet, wherein During the movement of the drawer from the separation position to the operating position, the first guide rods (23) penetrate the first guide holes (13) and can move along the first guide holes (13), so that the first support (1) is connected to the second support (2), wherein the second support (2) together with the third support (3) follows the movement of the drawer and first reaches the test position, and wherein with the further movement of the drawer towards the cabinet body the damping mechanism is elastically deformed by compression, so that the third support (3) moves relative to the second support (2) and finally reaches the operating position.
Owner:PHOENIX ASIAN PACIFIC ELECTRIC NANJING
Valve drive mechanism, valve mechanism and switch cabinet for trolley-type circuit breaker
The utility model provides a valve driving mechanism, a valve mechanism and a switch cabinet for a trolley-type circuit breaker. The switch cabinet comprises a contact box, the contact box comprises a positioning plate and a box body corresponding to each phase, the box body is fixed to the positioning plate, the valve driving mechanism comprises a driving assembly corresponding to one valve, the edge of the positioning plate is provided with a slide groove, the driving assembly comprises: a sliding bracket, which is used to be fixed to the valve, and the sliding bracket is used to be movably arranged on the positioning plate and can slide along the slide groove, the sliding bracket can move between a first position and a second position, when the sliding bracket is located at the first position, the valve is in a closed state, and when the sliding bracket is located at the second position, the valve is in an open state; a driving rod, which is rotatably connected to the sliding bracket, and the driving rod can be rotated to drive the sliding bracket to slide.
Owner:SIEMENS SWITCHGEAR LTD SHANGHAI
High-voltage and high-current laminated bus line and preparation method thereof
A high-voltage and high-current laminated bus line and a preparation method thereof are provided. The preparation method includes the following steps: winding a positive bus line and a negative bus line by using a glass cloth tape to form an insulated positive bus line and an insulated negative bus line, twining the insulated positive bus line, a metal isolation plate and the insulated negative bus line by using the glass cloth tape to form a laminated bus line sample, and heating and curing the laminated bus line sample to obtain the high-voltage and high-current laminated bus line. The laminated bus line has low self-generated impedance and small installation space requirement, and is suitable for high-power electrical equipment with a current exceeding 30 kA and a total voltage exceeding 20 kV.
Owner:HEFEI INSTITUTE OF PHYSICAL SCIENCE CHINESE ACADEMY OF SCIENCES
Interlocking device for switch cabinet, switch cabinet and method for testing insulation resistance of switch cabinet
PendingCN120657616ASwitchgear detailsSwitchgear earthing arrangementsComputer hardwareCircuit breaker
The invention provides an interlocking device for a switch cabinet, the switch cabinet and a method for testing insulation resistance of the switch cabinet, the interlocking device comprises a first switch assembly movably arranged on a handcart chamber, and the first switch assembly is used for opening or closing an operation hole; the program lock assembly is provided with an unlocking key, the program lock assembly is arranged on the handcart chamber, the program lock assembly has an unlocking state and a locking state, when the circuit breaker is located at the test position, the program lock assembly is in the unlocking state so that the unlocking key can be pulled out, and after the unlocking key is pulled out, the program lock assembly is locked. When the circuit breaker is located at the connecting position, the program lock assembly is in a locked state, so that the unlocking key is fixed on the program lock assembly; and the second switch assembly is provided with a lock hole, and the second switch assembly and the program lock assembly share an unlocking key, so that when the circuit breaker is located at the test position and the unlocking key is pulled out, the second switch assembly can open the electricity testing door through the unlocking key.
Owner:XIAMEN HUADIAN SWITCHGEAR
Modularized high-low voltage switchgear
The invention relates to the technical field of switches, in particular to modular high-low voltage switch equipment which comprises a switch cabinet, a chassis handcart, moving contacts, static contacts, an inner supporting assembly, a pushing assembly and an inner supporting plate, the chassis handcart is installed in the switch cabinet in a sliding mode, and the moving contacts are fixedly installed on the chassis handcart; a plurality of static contacts are installed in the switch cabinet, an inner supporting assembly is arranged in the moving contact, the inner supporting plate is connected with the inner supporting assembly, the pushing assembly and the chassis handcart move in the same direction, when the pushing assembly moves, the inner supporting assembly pushes the inner supporting plate to move, and when the inner supporting plate moves, the contact piece slides on the installation base in a limited mode. When the moving contact is matched with the static contact, the inner supporting plate supports the moving contact open, damage caused by collision between the moving contact and the static contact when the handcart is manually operated to move is avoided, and meanwhile safety accidents caused by electric arcs generated when the moving contact and the static contact are connected are prevented.
Owner:钱厚成
Metal armored high-voltage switch cabinet
The invention relates to the technical field of switch cabinets, in particular to a metal armored high-voltage switch cabinet which comprises an armored cabinet body, a placement plate is fixedly connected to the inner wall of the armored cabinet body, a handcart is arranged on the side, corresponding to the placement plate, of the interior of the armored cabinet body, and a power-on protection mechanism and a reinforcing contact mechanism are arranged between the handcart and the placement plate; the power-on protection mechanism comprises a fixing plate fixedly connected to one end of the outer side of the placing plate, telescopic holes are formed in the upper end and the lower end of the fixing plate in a penetrating mode, clamping columns are symmetrically arranged on the two sides of the inner walls of the telescopic holes, and transverse plates fixedly connected to the upper side and the lower side of one end of the inner side of the handcart are further included. Clamping grooves are formed in the ends, close to each other, of the two transverse plates; according to the invention, the cabinet door can be prevented from being opened under a power-on condition, so that electric arcs can be prevented from being generated when the moving contact box and the static contact box are separated, electric appliance elements in the armored cabinet body are protected, injury to workers can be prevented, and the safety is improved.
Owner:SHANXI ZHENGTAI ELECTRICAL ENG COMPLETE SET CO LTD
Intelligent power grid high-voltage switch cabinet, switch cabinet interlocking device and safe operation method thereof
The invention relates to the technical field of switch cabinets, in particular to an intelligent power grid high-voltage switch cabinet, a switch cabinet interlocking device and a safe operation method thereof.The intelligent power grid high-voltage switch cabinet is characterized in that a rotating sleeve is rotationally installed in a cabinet body, a supporting rod axially slides in the rotating sleeve, and a limiting mechanism connected with a handcart is arranged on the supporting rod; the elastic pushing mechanism is arranged on the rotating sleeve and the supporting rod, and the elastic pushing mechanism is connected with a static contact; the connecting and disconnecting mechanism is arranged on the rotating sleeve, connected with the elastic pushing mechanism and comprises a moving contact matched with the static contact, the limiting state of the limiting assembly on the handcart can be adjusted through cooperation of the connecting and disconnecting mechanism and the elastic pushing mechanism, when the moving contact and the static contact are connected, the position of the handcart is locked, and the handcart is prevented from being damaged. And when the moving contact is separated from the static contact and the handcart moves, the position of the moving contact is locked so as to ensure that the circuit breaker is in a disconnected state when the handcart moves.
Owner:JIANGSU KANGSHENG ELECTRIC GRP CO LTD
Fault detection device for intelligent drawer of low-voltage switch cabinet
The utility model relates to the field of power equipment fault detection, in particular to a fault detection device for an intelligent drawer of a low-voltage switch cabinet. The utility model provides the fault detection device for the intelligent drawer of the low-voltage switch cabinet, which can detect various faults of the intelligent drawer of the low-voltage switch cabinet and improve the efficiency of the intelligent drawer. A fault detection device for an intelligent drawer of a low-voltage switch cabinet comprises a detector, a display and an indicator, the front side of the upper part of the detector is connected with the display, and the front side of the lower part of the detector is rotatably connected with the indicator. According to the utility model, the operation stability of the intelligent drawer is detected through the sensor, or the contact is clamped through the lower clamping plate and the upper clamping plate, the contact is contacted through moving the detection needle, and then the detector detects the contact or the line fault on the contact. The effects that various faults of the intelligent drawer of the low-voltage switch cabinet can be conveniently detected, and the efficiency of the intelligent drawer is improved are achieved.
Owner:TIANJIN DETONG ELECTRIC
Hand-cranking propelling mechanism and separated plugging unit
Owner:CHANGZHOU XINYUANXING ELECTRICAL APPLIANCES CO LTD
Intelligent low-voltage switch cabinet
ActiveCN120834513ABoards/switchyards circuit arrangementsSwitchgear detailsLoad circuitPhase currents
The invention relates to the technical field of switch cabinets, in particular to an intelligent low-voltage switch cabinet which comprises a cabinet body. The execution unit comprises a circuit breaker handcart used for disconnecting the current of the load circuit and a plurality of contactors used for switching the load circuit; the detection unit is used for detecting the instantaneous reduction voltage of the load, the current harmonic phase difference of the phase current signal of the main bus, the current harmonic signal proportion and the environment temperature in the cabinet body; the control unit is used for determining a load protection grade according to the instantaneous reduction voltage of the load, and determining the interval duration of starting the circuit breaker handcart and the contactor in the inrush current impact compensation mode according to the load protection grade and the duration of the instantaneous reduction voltage; the asynchronous action starting mode of the contactors is adjusted according to the harmonic wave phase difference, and the access proportion of the reactive load is adjusted according to the harmonic wave signal proportion and the progressive increase node similarity of the environment temperature in the cabinet body in the time sequence. According to the invention, the load stability is improved.
Owner:SINOTEC CO LTD
Contact box of drawer cabinet
ActiveCN223334229UBus-bar/wiring layoutsSwitchgear detailsStructural engineeringMechanical engineering
The utility model relates to a drawer cabinet contact box, relates to contact box technical field, including cabinet shell, fixing mechanism, drawer cabinet, cabinet body and contact box, the cabinet shell is provided with switch cabin, the fixing mechanism includes locking assembly, the locking assembly includes slide rail, second cylinder and limit block, the cabinet body is in sliding connection in the switch cabin, and the limit block is in sliding connection in the switch cabin. The drawer cabinet is arranged on the cabinet body, the contact box is arranged on the cabinet body, the sliding rail is arranged on the cabinet body, a plurality of limiting holes are formed in the sliding rail, a sliding groove is formed in the cabinet shell, the second air cylinder is arranged on the cabinet shell through the sliding groove, and the limiting block is arranged on an output shaft of the second air cylinder. According to the utility model, by adopting the locking assembly in the fixing mechanism, the problem that in the process of maintaining the contact box by the drawer cabinet contact box, the drawer cabinet is in a movable switch state, so that maintenance personnel cannot conveniently maintain the contact box is solved.
Owner:WANHAI (WENZHOU) AUTOMATIC CONTROL TECHNOLOGY CO LTD
Connecting structure and circuit breaker chassis truck
The invention discloses a connecting structure and a circuit breaker chassis truck, and relates to the field of circuit breaker chassis trucks. The pushing assembly is connected with the chassis truck and is used for horizontally moving; the swinging assembly is movably arranged on the pushing assembly and used for changing the movement track of the pushing assembly; the push rod is arranged between the swing assembly and the chassis truck; the pushing assembly, the swing assembly and the push rod are connected to the chassis truck to prolong the distance and prevent the internal structure of the chassis truck from being broken. The moving direction of the push rod is the vertical direction, transverse component force cannot be generated, and therefore the service life of the push rod is effectively prolonged.
Owner:HUANENG POWER INT ENERGY DEV CO LTD +1
Electric connection transmission mechanism of low-voltage drawer cabinet
ActiveCN120016186ASwitchgear detailsSecuring/insulating coupling contact membersElectrical conductorInternal resistance
The invention belongs to the field of low-voltage drawer cabinets, and provides a low-voltage drawer cabinet electric connection transmission mechanism which comprises a back plate, a partition plate and an auxiliary transmission crimping assembly, the back plate is installed on the rear side of a drawer, the position of the back plate is changed along with drawing of the drawer, and a first rectangular through hole is formed in the middle of the back plate; first insulating fixing plates are symmetrically mounted on two sides in the first rectangular through hole; a copper bar conductor terminal is connected between the two groups of first insulating fixing plates; according to the invention, a basic structure of main loop electrical connection is completed through the copper bar conductor terminals and the soft copper foil connecting pieces, so that contact internal resistance is effectively reduced, three-phase temperature rise is balanced, and equipment is safer; therefore, the drawer can drive the insulating pressure rod to be crimped to the end of the soft copper foil connecting piece from the left side and the right side after the return stroke of the drawer is finished, the connecting force between the soft copper foil connecting piece and the copper bar conductor terminal is improved, the effective contact surface is enlarged, the overall breakpoints are few, and the circuit stability is improved.
Owner:广东正超电气有限公司
Vehicle-mounted distribution box
The invention discloses a vehicle-mounted distribution box, and belongs to the technical field of case cabinets, the vehicle-mounted distribution box comprises a box body and a mounting assembly, the box body comprises a skeleton and a plurality of panels, the skeleton comprises a plurality of detachably connected column beams, and every two adjacent column beams are detachably connected to form a hollow frame structure; each panel is detachably mounted on each end face of the cuboid so as to form an accommodating space in the box body; and at least one panel is provided with a heat dissipation component. The mounting assembly comprises electrical mounting plates, each electrical mounting plate is detachably fixed in the accommodating space, each electrical mounting plate comprises a mounting surface and a wire binding surface, and the mounting surface is provided with a mounting position. And a wire binding frame is arranged on the wire binding surface. The invention provides a vehicle-mounted distribution box, which can meet the use requirements of different vehicle-mounted transportation scenes, can meet the structural strength of the box body, can also facilitate wiring in a cabinet, simplifies the installation form of the box body, and remarkably improves the safety and practicability of the distribution box.
Owner:HUBEI SANJIANG AEROSPACE WANFENG TECH DEV
Draw-out type high-low voltage switch cabinet
The invention discloses a draw-out type high-low voltage switch cabinet, and relates to the technical field of electrical equipment, the draw-out type high-low voltage switch cabinet comprises a cabinet body, the inner wall of the cabinet body is provided with a chute, the front side of the cabinet body is provided with a movable door, the bottom of the cabinet body is provided with universal wheels, and the cabinet body is internally provided with a drawing device, a supporting device and a limiting device; a round rod is matched with a first spring, a piston block, a fixed cylinder and hydraulic oil, so that collision can be effectively reduced, damage to the cabinet body caused by the bearing plate is prevented, meanwhile, noise can be reduced, the use experience is improved, and the service life is prolonged; the trigger block is movably matched with the pressing rod, the sliding block, the sliding groove block, the second spring, the heart-shaped groove, the connecting rod, the buckling block and the trigger block to prevent the bearing plate from accidentally and completely falling off, use safety is ensured, the pressing rod, the second spring, the sliding groove block, the connecting rod, the buckling block, the trigger block and the pressing rod replace an existing push-pull type extraction mode, and the use speed of the handcart circuit breaker is increased.
Owner:HENAN SANHE ELECTRICAL
A drawer-type low-voltage power distribution cabinet
The present disclosure proposes a drawer-type low-voltage power distribution cabinet, comprising: a cabinet body, the cabinet body is provided with a drawer slot, the slot of the drawer slot extends to the outer surface of the cabinet body; a drawer, the drawer is slidably arranged in the drawer slot along the depth direction of the drawer slot; an electric mechanism, the electric mechanism is arranged in the drawer slot, the electric mechanism is connected to the drawer transmission, and the electric mechanism is used to drive the drawer to move in the drawer slot along the depth direction of the drawer slot. In a drawer-type low-voltage power distribution cabinet disclosed in the present disclosure, the electric mechanism drives the drawer to move along the depth direction of the drawer slot, thereby realizing the electric pulling and pulling of the drawer on the cabinet body, which is not only more convenient to operate, but also has a high degree of automation, and utilizes the intelligent monitoring of the low-voltage power distribution cabinet.
Owner:CCTEG BEIJING HUAYU ENG
Interlocking device and method for grounding switch and circuit breaker of high-voltage cabinet
The invention belongs to the technical field of high-voltage cabinet maintenance, and particularly discloses a high-voltage cabinet grounding knife-switch and circuit breaker interlocking device which comprises a high-voltage cabinet closing loop, a rotating shaft, a base, a connecting piece and a circuit breaker track, a grounding knife-switch is connected in series in the high-voltage cabinet closing loop, the rotating shaft is fixedly connected with a connecting rod of the grounding knife-switch, and the rotating shaft is rotationally connected with the base. A spiral shaft is arranged on the rotating shaft, two bearing inner rings are arranged on the rotating shaft, a spring is arranged on each bearing outer ring, the two springs are rotationally connected with a connecting piece, a rolling shaft is arranged on the connecting piece, the rolling shaft is in rolling connection with the surface of the spiral shaft, a position baffle is connected to the connecting piece, a baffle hole is formed in the circuit breaker track, and the baffle hole and the position baffle movably penetrate through the baffle hole; according to the device, the rotating shaft rotates to push the position to move, so that a circuit breaker handcart is prevented from being pushed into a working position, and the problem that a grounding knife-switch can still be rocked into the circuit breaker handcart in a closed state due to the fact that an interlocking device fails or an operator does not strictly execute safety regulations is solved.
Owner:XINJIANG BAYI IRON & STEEL CO LTD
Bushing for a medium voltage switchgear
A bushing for a metal clad medium voltage switchgear includes a hollow body and a t-off and pin assembly. The hollow body is made from polyamide. The t-off and pin assembly is made from polyamide. A first end of the hollow body is configured to connect to a compartment of a medium voltage switchgear. The t-off and pin assembly is configured to connect to a second end of the hollow body. The t-off and pin assembly is configured to connect to a T-off and pin.
Owner:ABB (SCHWEIZ) AG
Special tool for preventing handcart of power distribution system switch cabinet from being pushed by mistake
The invention relates to the technical field of test wire storage, and particularly discloses a special tool for preventing a handcart of a switch cabinet of a power distribution system from being pushed by mistake. The handcart element is detachably mounted in the cabinet body element, and metal bottom plates are arranged on the two sides of the handcart element; the metal bottom plate is arranged on the cabinet body element, the telescopic element is arranged on the side wall of the metal bottom plate and slides along the transverse direction of the metal bottom plate, the handcart element is connected with the cabinet body element in a sliding mode through a pulley on a chassis, and a contact on the handcart element is connected with a static contact behind a cabinet body baffle. By introducing a mode of combining a specially designed telescopic baffle block with a corresponding working position, the handcart is ensured to be pushed into a corresponding compartment only when the handcart is in a correct position. The mechanism fundamentally solves the problem of high risk caused by only depending on manual selection and judgment in the traditional method.
Owner:SANXIA JINSHAJIANG YUNCHUAN HYDROPOWER DEV CO LTD
Special copper guide rail
The utility model discloses a special copper guide rail which comprises a linear track frame arranged on the inner side wall of a switch cabinet, and the linear track frame comprises a linear track used for supporting a pulley of a handcart, a grounding copper support used for being in contact with a jointing clamp of the handcart, and an anti-warping support. And a space for accommodating a pulley of the handcart is formed between the anti-warping bracket and the linear rail. According to the utility model, the grounding copper bracket and the anti-warping bracket are combined, so that the grounding copper bracket is only arranged in the electrified connection stroke of the handcart and is used for ensuring grounding, and the anti-warping bracket is used for bearing the handcart and performs respective functions, thereby ensuring the effect of sufficient grounding and the supporting strength of the whole guide rail, and improving the safety of the whole guide rail. And meanwhile, the material cost is also saved.
Owner:WECOME GRP
Electrical connection cabinet comprising at least one external connection module of a set of external connection modules
An electrical connection cabinet comprises at least one power source connected to an associated electrical load and including a base, a front panel, a cover, and functional elements fixed to the base. All power sources have a base of constant height and a front panel and cover whose heights are adapted to the dimensions of the functional elements. The cabinet includes at least one external connection module (706) associated with one of the power sources and selected from a set of external connection modules.Each external connection module includes a first end (709), of equal height to the bases and having input connectors (710) connected to the power source, and a second end (711), of equal height to one, two or three times the height of the bases but less than or equal to the height of the associated power source and having output connectors (712) connected to the electrical load.
Owner:SCHNEIDER ELECTRIC IND SAS
A switch cabinet drawer side lock hand-pull push mechanism
The present invention discloses a switch cabinet drawer side lock hand-pull propulsion mechanism, which is used for the drawer to enter and exit the switch cabinet, wherein the switch cabinet includes a bottom support plate, and the drawer is arranged on the bottom support plate; and further includes a locking assembly, wherein the locking assembly includes an unlocking piece, a locking rod, and a positioning plate arranged on the drawer. The present invention adopts a locking assembly separately arranged on the drawer and the bottom support plate, and sets a plurality of locking points. The drawer position can be accurately locked during the push-in and pull-out action of the drawer, and the locking assembly is independent of the connection structure between the drawer and the switch cabinet, and is not affected by the large deadweight of the drawer, effectively ensuring the service life and the accurate locking position. In combination with the micro switch and the telescopic position display assembly that are precisely set, the position status of the drawer can be accurately marked when any point is locked, so that the user can clearly obtain the current position information, and the user experience is friendly.
Owner:WECOME GRP