1356results about "Contact electric connection" patented technology

A temperature-dependent switch comprising a switch housing, a temperature-dependent switching mechanism, and a spacer element. The temperature-dependent switching mechanism is arranged in the switch housing and comprises a movable contact part, a bimetal element and a spring element. The switching mechanism is configured to switch between a low-temperature state, in which an electrical connection is established between first and second electrical terminals, and a high-temperature state, in which the electrical connection between the first and second electrical terminals is interrupted. The spacer element is arranged inside the switch housing between a lower part and a cover part. At least one section of the spring element is arranged between the spacer element and the switch housing and is fixed in position. At least one section of the bimetal element is arranged between the spring element and the spacer element and is supported on the spacer element in the high-temperature state.

A temperature-dependent switch, including a switching mechanism unit, and a switching mechanism housing including a first base body composed of electrically conductive material. The temperature-dependent switch further includes a switch housing having a second base body composed of electrically insulating material, in which the switching mechanism housing is arranged, wherein the switch housing includes a stationary contact part. The first base body of the switching mechanism housing surrounds the switching mechanism unit from a first housing side, a second housing side opposite to the first housing side, and a housing circumferential side extending between and transversely to the first and the second housing sides. The first housing side includes an opening through which a movable contact part of the switching mechanism unit interacts with the stationary contact part. The second base body surrounds the first housing side and the circumferential housing side of the switching mechanism housing.

The utility model relates to a protection device for an MSD switch, a power battery comprising the protection device and an operation machine comprising the power battery. The MSD switch includes a receptacle formed with a cavity. The protection device comprises a lock frame which is arranged adjacent to the socket and is provided with a lock hole, a retainer which can be locked with the lock frame in a removable manner, and an insulating block which is arranged on the retainer. And the retainer and the insulating block are configured in a way that when the retainer is locked on the lock frame, the insulating block is jointed in the concave cavity. The protection device is simple in structure and assembly, low in cost and high in universality.

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.

The invention relates to the technical field of circuit breakers, and discloses a fast-to-install primary and secondary fusion pole-mounted circuit breaker which comprises an installation frame and a circuit breaker body arranged on the installation frame, and core power electronic components such as an insulated gate bipolar transistor (IGBT) chip and a module are integrated in the pole-mounted circuit breaker body. The mounting rack is used for mounting a circuit breaker body to realize the functions of automatically cutting off a circuit and remote communication when a fault occurs, the mounting rack comprises a clamping assembly and a supporting piece, the supporting piece is used for mounting the circuit breaker body, and the clamping assembly is used for fastening the supporting piece on a telegraph pole. According to the pole-mounted circuit breaker, assembling and wiring of the circuit breaker body are completed on the ground firstly, then the circuit breaker body is rapidly fixed to the telegraph pole through the installation frame, the effect of improving the installation efficiency and reliability of the pole-mounted circuit breaker is achieved, and meanwhile the use flexibility of the installation frame is high.

The invention belongs to the technical field of industrial temperature controllers, and particularly relates to a full-automatic intelligent temperature controller, which comprises a wiring bottom box and an integrated top box, and is characterized in that the wiring bottom box comprises a bottom cover; the integrated top box comprises a top cover, and a temperature acquisition plate is mounted on the top cover; a movable wiring terminal and a fixed wiring terminal are installed in the bottom cover, and the movable wiring terminal and the fixed wiring terminal are respectively connected with the temperature acquisition board. When an electric appliance is short-circuited, the stepping motor drives the rotating disc and the sliding head to rotate, the insulating rod is separated from the moving contact, the moving contact is disconnected from the fixed contact under the action of the spring, then the electromagnet is reversely electrified, the electromagnet and the permanent magnet on the air cylinder repel each other, and the sliding head is separated from the rotating disc; when the temperature of the circuit drops, the stepping motor drives the turntable to rotate through the belt, and the sliding head is separated from the turntable, so that the temperature controller is in a disconnected state when the turntable rotates, and secondary damage of the electric appliance caused by automatic connection of the temperature controller after the temperature drops is avoided.

Provided in the present application are an electric switch and a power distribution system. The switch comprises an insulating housing and an internal element; the insulating housing comprises a first cavity and second cavities for accommodating a switch system; connection ends of the switch are arranged at two ends of the second cavities respectively; the first cavity and the multiple second cavities are arranged in a vertically stacked mode; the vertical axes or central axes of connection devices of the connection ends corresponding to different phases or poles are coaxial or non-coaxial; a moving contact is driven by a control mechanism to rotate or / and move.

The utility model relates to a thermal protector which is fast in disconnection and strong in bearing capacity. The thermal protector is mainly used for over-temperature rise and over-current protection of a refrigeration compressor or other motors. The heating device comprises a pin, a cover plate, a movable contact spring, a bimetallic strip, a first static pin, a second static pin, a heating body, a third static pin and a base, the two ends of the heating body are welded to the first static pin and the second static pin respectively, one end of the movable contact spring is electrically connected with the first static pin, the other end of the movable contact spring is matched with the third static pin, the pin is electrically connected with the third static pin, and the bimetallic strip is arranged on the base. The heating device is structurally characterized in that a loading cavity used for installing the heating body is formed in the base, a limiting table used for placing the heating body is arranged at the bottom of the loading cavity, the heating body is a spiral heating body or a planar heating body, and when the heating body is the spiral heating body, the limiting table is of a plurality of semicircular protruding structures. When the heating body is a planar heating body, the limiting table is arranged to be of a structure with two strip-shaped protrusions.

The utility model discloses a wake-up conduction structure used on a key switch, comprising a guide core, a moving plate which is arranged on the side edge of the guide core and is elastically bent downwards as a whole, and a static plate arranged below the moving plate, at least one convex edge is formed on the side edge of the guide core, the moving plate comprises at least one moving plate support arm which transversely extends towards the convex edge, and the static plate is arranged below the moving plate. The movable piece support arm is driven by the protruding edge to be in contact with or separated from the static piece under the acting force that the guide core is pressed by external force, and the movable piece and the static piece are electrically connected with an external circuit. The device can be applied to shaft bodies such as a Hall magnetic shaft and an optical axis, the application range is wide, the conduction structures of the shaft bodies such as the Hall magnetic shaft and the optical axis are awakened to realize signal transmission when the device is pressed, the conduction structures of the shaft bodies such as the Hall magnetic shaft and the optical axis are not interfered when the device is not pressed, and the shaft bodies such as the Hall magnetic shaft and the optical axis enter dormancy; therefore, the purpose of saving the electric quantity of the wireless keyboard is achieved, power consumption is reduced, the service life of the wireless keyboard is prolonged, and people can use the wireless keyboard conveniently.

The utility model discloses a primary and secondary fusion complete column-mounted circuit breaker and a conductive column structure thereof, and relates to the technical field of column-mounted circuit breakers, the conductive column structure comprises a third conductive column and an insulating column, the insulating column comprises a first insulating column and a second insulating column connected to the lower end of the first insulating column through a spring, and the lower end of the first insulating column is provided with a guide column. A blind hole is formed in the upper end of the second insulating column, a guide sleeve is arranged at the bottom of the blind hole, and the guide column is arranged in the guide sleeve in a sliding fit mode; the runner is arranged on the side wall of the guide sleeve, an orifice at one end of the runner is positioned at the bottom of the inner side of the guide sleeve, and an orifice at the other end of the runner is positioned on the upper end surface of the guide sleeve; the one-way valve is used for controlling fluid in the flow channel, the control is that the one-way valve allows the fluid in the guide sleeve to flow out through the flow channel, the pole-mounted circuit breaker comprises the conductive pole structure, and according to the scheme, the opening time of the pole-mounted circuit breaker can be effectively shortened, and the opening response speed is increased.

Provided is a switch panel. A connecting base includes a first connecting arm, and a number of the first connecting arm is two; a reset assembly includes a swing piece, a connecting shaft and a reset piece; the swing piece includes a first swing portion and a second swing portion, the first swing portion is arranged between the two first connecting arms and is provided with a strip-shaped through hole extending towards the second swing portion, and the second swing portion is arranged at an end of the first swing portion away from another reset assembly; the connecting shaft rotatably penetrates through the strip-shaped through hole and is connected between the two first connecting arms, the reset piece is sleeved outside the first swing portion, and two ends of the reset piece are pre-compressed to abut against a position between the connecting shaft and the second swing portion.

Provided are a contact system, a contact unit and a circuit breaker. The contact system includes a moving contact assembly arranged in a shell and a pair of static contact assemblies. The moving contact assembly includes an arc isolation portion which is assembled rotatably. The arc isolation portion is provided with a contact groove inside. A pair of moving contact portions are arranged in the contact groove. Each static contact assembly includes a static contact portion which extends into the contact groove. The arc isolation portion rotates and drives the pair of moving contact portions to be in contact with or separated from the static moving portion in the contact groove. An edge of the arc isolation portion is also provided with a pair of mounting grooves which are communicated with the contact groove, and each mounting groove is at least reserved with a notch for the static contact portion to be placed at one end surface of the arc isolation portion. According to the present invention, when the contact system is assembled, the static contact portion of the static contact assembly is arranged correspondingly from the notch and can be placed in the contact groove at an appropriate angle without lifting the static contact portion, which simplifies the step of assembling the contact system, is convenient in operation, can achieve automatic assembly and is conducive to reducing the cost.

Sensor assembly (26) for a switchgear connector (1), the sensor assembly (26) comprising: a high voltage side (28) facing the switchgear; a low voltage side (30); an isolation barrier (32) that provides a galvanic isolation between the high voltage side (28) and the low voltage side (30); a sensor device (34) configured to measure at least one physical quantity and a sensor data output device representative of the at least one physical quantity, the sensor device (34) being arranged on the high voltage side (28); a data interface (36) arranged on the low voltage side (30) and configured to provide for the sensor device data (40) to be accessible from outside of the sensor assembly (26); and a transmission path (42) which is configured to transfer sensor device data (40) between the sensor device (34) and the output interface (36); wherein the transmission path (42) comprises a wireless section which extends across the isolation barrier (32).

A battery power disconnect apparatus is disclosed. According to one aspect of the present invention, the battery power-off device comprises: a lower case including an installation space, the upper part of which is open and which is formed along a longitudinal direction, i.e., a first axial direction, and a storage space, the upper part of which is open and which is formed along a longitudinal direction, i.e., a second axial direction; the electronic device includes an installation space, a storage space formed to be separated from the installation space by a partition wall and adjacent to the installation space in a second axial direction, a plurality of relays individually installed in the installation space, a circuit board installed in the storage space through an open upper portion of the storage space, and a control unit installed in the storage space. A lower case including an external connection terminal for electrically connecting to the outside, and an upper case coupled to the lower case so as to be able to cover an open upper portion of the mounting space and an open upper portion of the receiving space; the circuit board is installed in the accommodating space and is configured to be perpendicular to the bottom surface of the accommodating space.

The invention relates to an isolation mechanism on a solid cabinet, which relates to the technical field of isolation mechanisms and comprises an insulating shell, a breaking assembly located in the insulating shell and a control assembly located on the vertical side of the insulating shell. A plurality of first binding posts are fixedly arranged on the bottom side of the insulating shell in the horizontal direction, and a plurality of second binding posts are fixedly arranged on the top of the insulating shell in the vertical direction. A supporting plate is fixedly arranged on the bottom side of the insulating shell, vertically upward protection plates are fixedly arranged on the two opposite edges of the supporting plate, and the side faces, close to each other, of the two protection plates abut against the two opposite vertical side faces of the insulating shell. Extension plates are detachably installed on the edges, away from the supporting plate, of the two protection plates in the vertical direction, cover plates located above the second binding posts are fixedly arranged on the upper side faces of the two extension plates in the horizontal direction, and the side faces, close to each other, of the two cover plates can abut against each other. According to the upper isolation mechanism, in the transportation process, the risk that the first binding post and the second binding post are damaged in the transportation process is reduced.

The invention discloses a fuse element and a fuse, and belongs to the technical field of fuses. The invention relates to a fuse connector, which comprises a plurality of terminal units and a fusible unit, each terminal unit is provided with a main prong, an auxiliary prong and a gap arranged between the main prong and the auxiliary prong, the gap is used for inserting a male end of an opponent piece, the inner side wall of the main prong is at least provided with upper and lower raised contact points, and the upper and lower raised point positions of the main prong are matched with each other. The convex points are respectively corresponding to convex contact points at the upper part and the lower part of the auxiliary prongs, and each convex point is used for forming electrical contact with a male end inserted into the prong gap; the fusible unit is disposed between the plurality of terminal units, and when an overcurrent condition occurs, the fusible unit is disconnected to cause interruption of current flow between the plurality of terminal units. According to the invention, the problems of poor electric contact stability, contact point heating and finally function loss of the fuse caused by distortion or deformation of the contact point due to uneven stress during insertion operation can be effectively solved.

The utility model discloses a pole-mounted vacuum circuit breaker convenient for wiring, the pole-mounted vacuum circuit breaker convenient for wiring comprises a circuit breaker body, a plurality of wire inlet ends, a plurality of wire outlet ends and a plurality of plug pins, the wire inlet ends, the wire outlet ends and the plug pins are arranged on the circuit breaker body, the wire inlet ends and the wire outlet ends are provided with current-conducting plates, each current-conducting plate is provided with at least two first through holes, and the plug pins are arranged in the first through holes. The conductive plate is internally provided with a telescopic movable plate, the movable plate is provided with a second through hole corresponding to the first through hole, and the plug pin is inserted into the first through hole and the second through hole. The plug pin penetrates through the copper nose and is inserted into the overlapped first through hole and second through hole, the elastic force released by the first spring is applied to the movable plate, the friction force between the plug pin and the current-conducting plate is increased, the fixing block is embedded into the fixing groove, and the connection stability between the plug pin and the current-conducting plate is further enhanced; and the installation of the copper nose can be completed without other tools, so that the product has the advantages of firm fixation and convenient wiring.

According to the computer equipment provided by the utility model, when a magnetic axis key of the computer equipment is not pressed, a magnetic sensor corresponding to the key is in a non-working state, and when a certain key is pressed, the magnetic sensor corresponding to the key is switched to a working state; and the magnetic sensors corresponding to other keys which are not pressed are kept in a non-working state, so that the problems of high energy consumption and difficult heat dissipation of the computer equipment in a standby state and a use process are solved.

The utility model relates to the technical field of power equipment, in particular to a PDU electric control system, which comprises an air switch, a control panel, three mutual inductors and a socket, the socket is connected with three-phase current, the input ends of the mutual inductors are connected with the three-phase current, the output ends of the mutual inductors are connected with the input end of the control panel, and the control panel is connected with the socket. The air switch is connected with three-phase current in series and provided with a control device used for controlling opening and closing of the air switch, and the output end of the control panel is electrically connected with the control device. According to the utility model, a large-current relay is not needed, and only the control device needs to be added on the air switch of the socket to control the on-off of the air switch, so that a relay or contactor part is omitted, a large-current part and a control part can be wired separately, the complex circuit design is solved, the internal space of the product is released, and the temperature rise and fault hidden danger are reduced; the production cost is reduced.

The invention provides a static contact assembly, and relates to the technical field of switch equipment. The static contact assembly comprises an insulating pouring body which is integrally formed by pouring, the insulating pouring body comprises a base, and a conductive contact seat, an isolation contact seat and a grounding contact seat which are arranged on the base, and isolation fractures are arranged between the top ends of the contact seats. A conductive static contact is fixedly sealed on the conductive contact seat, an isolation static contact is fixedly sealed on the isolation contact seat, a grounding static contact is fixedly sealed on the grounding contact seat, and the conductive static contact, the isolation static contact and the grounding static contact are coaxial. The invention also provides a three-position switch. The three-position switch comprises the static contact assembly. The invention also provides an inflatable cabinet which comprises the three-position switch. The invention further provides a manufacturing method of the three-position switch, the coaxiality of the conductive static contact, the isolation static contact and the grounding static contact is improved through integrated pouring, isolation fractures are reserved among the three static contacts, and the centering performance of the three static contacts is improved on the basis that the reliability of the three-position switch is guaranteed.

The utility model relates to a box body structure of a common box type circuit breaker, which comprises a lower box body, an upper box body, a wiring terminal, a buckle cover, an explosion-proof fragmentation and an explosion-proof protection plate, the lower box body is connected with the upper box body in a sealing way, a sealing cavity is formed between the lower box body and the upper box body, the upper box body is connected with the wiring terminal in a sealing way through the buckle cover, the wiring terminal extends into the sealing cavity, and the explosion-proof fragmentation is connected with the explosion-proof protection plate through the buckle cover. A pressure relief opening communicated with the sealing cavity is formed in one side of the lower box body, the position, located at the pressure relief opening, of the lower box body is connected with an anti-explosion fragment in a sealed mode, the anti-explosion protection plate is fixedly connected to the outer side of the anti-explosion fragment, and pressure relief mesh holes are formed in the side face of the anti-explosion protection plate. The main purpose of the utility model is to control the air pressure of the sealing cavity through the explosion-proof fragmentation, and the discharged air is blocked and dispersed by the explosion-proof protection plate, thereby preventing the sealing structure among the accessories such as the lower box body, the upper box body, the wiring terminal and the like from being damaged by the overhigh air pressure, and the explosion-proof fragmentation can be replaced for reuse after the circuit fault is eliminated. Therefore, maintenance cost is reduced, and economic benefits are improved.

The utility model relates to an automobile seat adjusting switch which comprises at least two switch modules which are mutually independent, and each switch module is provided with a circuit board and a control switch connected to the circuit board. The button is detachably connected to the corresponding switch module, and the button can trigger a control switch on the corresponding switch module; the wire harness assembly comprises a signal wire connected with the circuit board of each switch module; and the connector is electrically connected with any one or more switch modules in the at least two switch modules. According to the utility model, the switch modules are independent parts and are connected through the wire harness connecting mechanism, and each switch module can form a platform piece, thereby breaking through the limitation that the traditional switch cannot be reused due to the shape, effectively saving development resources, and improving the development efficiency.

The invention relates to the field of switches, in particular to a firework switch which comprises a shell, a busbar and a trigger device, the busbar is connected to the shell, a mounting cavity is formed in the surface of the shell, the busbar divides the mounting cavity into a trigger section and an arc extinguishing section, the trigger device comprises a circuit breaking assembly and an arc extinguishing assembly, the circuit breaking assembly is connected to the inner wall of the trigger section, and the arc extinguishing assembly is connected to the inner wall of the arc extinguishing section. The circuit breaking assembly impacts the busbar to break to form circuit breaking when detecting short circuit or overlarge current, the arc extinguishing assembly comprises a plurality of arc extinguishing blocks, the plurality of arc extinguishing blocks are connected to the inner wall of the arc extinguishing section at intervals, and electric arc generated at the initial moment of busbar breaking impacts the surfaces of the arc extinguishing blocks for cooling to achieve arc extinguishing. Through the arrangement of the arc extinguishing block, the surface of the arc extinguishing block is impacted by an electric arc generated at the initial moment of disconnection of the busbar, and the arc extinguishing block cools the electric arc to realize an arc extinguishing effect, so that a worker is not liable to be influenced by intense radiation and high temperature of the electric arc, safety accidents such as fire disasters or explosion are avoided, and the use safety of the smoke and fire switch is improved.

The utility model discloses a long-life AC isolating switch, which belongs to the technical field of electrical control supporting equipment, and aims at the problems of potential safety hazards caused by lack of stable support for knife switches and difficulty in ensuring stable closing connections. The utility model comprises a base plate and an insulator, wherein the insulator is fixedly installed on the top of the base plate, a wiring terminal is installed on the top of the insulator, an insulating device wire clamp is connected to the outer side of the wiring terminal, a clamping mechanism is arranged on the left wiring terminal, a support plate is fixedly connected to the right wiring terminal, a hinge block is hingedly installed on the support plate, a support mechanism is arranged in the right wiring terminal and is connected to the knife switch; the utility model can support the knife switch at a certain height after opening by means of the support mechanism when the knife switch is opened, thereby avoiding adhesion at the connection mechanism, forming a reliable insulating gap, thereby ensuring the safety after opening, and improving the practicality of the device.

The utility model provides a high-voltage switch contact pressure adjusting mechanism and a pressure sensor, and relates to the technical field of high-voltage switch equipment, and the high-voltage switch contact pressure adjusting mechanism comprises a first connecting seat connected with a high-voltage switch contact, a telescopic adjusting structure of the first connecting seat, and a limiting ring fixedly connected with the bottom of the surface of the telescopic adjusting structure. The top of the surface of the telescopic adjusting structure is movably connected with a pressure plate. The surface of the telescopic adjusting structure is sleeved with a reset spring, the reset spring is located between the pressure plate and the limiting ring, and the bottom of the left side of the telescopic adjusting structure is fixedly connected with a second connecting base movably connected with the high-voltage switchgear. Through the arrangement of the first connecting base, the telescopic adjusting structure, the limiting ring, the pressure plate, the reset spring and the second connecting base, the problems that a mechanical spring structure is mostly adopted for contact pressure adjustment of existing high-pressure switch pressure adjusting equipment, adjustment is inconvenient and low in precision, and meanwhile, shutdown disassembly is usually needed for pressure measurement, and real-time monitoring cannot be achieved are solved.

The invention discloses a primary and secondary fusion built-in isolation knife circuit breaker, and relates to the field of primary and secondary fusion power distribution equipment for a power distribution network, the primary and secondary fusion built-in isolation knife circuit breaker comprises a pole-mounted circuit breaker and a mechanism box, the body of the pole-mounted circuit breaker is integrated with three current transformers, and the mechanism box is fixedly connected to one side of the pole-mounted circuit breaker; three electrical interface holes used for containing current transformers are formed in the box wall of the mechanism box, an isolation disconnecting link unit is arranged in the mechanism box, the isolation disconnecting link unit is internally arranged and integrated in the mechanism box, the isolation disconnecting link unit and a pole-mounted circuit breaker form an integrated design, the overall structural layout is greatly simplified, the structure is simple, and the cost is low. And the three current transformers integrated on the pole-mounted circuit breaker body are directly butted with the moving contact mechanism through the electrical interface holes preset in the mechanism box, so that the connection is convenient, the contact between the electrical connection part and the external environment is reduced, the erosion of environmental factors such as outdoor wind and rain, dust, corrosive gas and the like is effectively isolated, and the operation stability is ensured.

The invention discloses a 35kV main transformer inlet wire cabinet, and belongs to the technical field of inlet wire cabinets, the 35kV main transformer inlet wire cabinet comprises an inlet wire cabinet body, an inlet wire terminal, an outlet wire terminal, a switch assembly and an inlet wire connecting assembly, the inlet wire terminal and the outlet wire terminal are both fixedly arranged on the inlet wire cabinet body, and the inlet wire terminal and the outlet wire terminal are electrically connected through the switch assembly; and the wire inlet terminal is electrically connected with the wire inlet cable through a wire inlet connecting assembly. The incoming cable is fixed on the incoming terminal of the incoming cabinet body through the incoming connecting assembly, so that the incoming terminal and the incoming cable can be effectively prevented from loosening, the incoming terminal and the incoming cable are fully electrically connected, the conductive sliding sleeve and the plugging conductive sleeve are prevented from colliding, and the operation reliability of the incoming cabinet is effectively improved.