15results about "Protective switch distinguishing marks" patented technology

The present invention relates to a monitoring system of a power device, including: a bracket, a bracket terminal formed at a rear side of the bracket; a circuit breaker, mechanically and electrically connected or disconnected with the bracket terminal; at least one or more position detection devices, installed inside the circuit breaker and detecting a position of a circuit breaker body in real time; and a display part, outputting a movement characteristic of the circuit breaker body detected by the position detection devices.

The utility model discloses a split type identification for switch equipment, which comprises a movable contact frame with identification colors and an identification block, the movable contact frame is provided with a through hole with a notch, the identification block is provided with an abutting portion, the abutting portion is provided with a guide column corresponding to the through hole and is inserted in the through hole, and the movable contact frame is provided with a groove. The identification block is further provided with a locking part, the locking part is buckled at the other end of the movable contact frame, and clamping force for clamping the movable contact frame is formed by the locking part and the abutting part. Through the moving contact frame with colors and the identification block, the problems of paint falling and abrasion of the identification piece caused by a conventional ink printing mode are avoided, clamping force is formed through the locking part and the abutting part, the identification block and the moving contact frame are firmly connected, in addition, the guide column and the locking part form a fool-proof design, the assembly process is simplified, the assembly efficiency is improved, and the production cost is reduced. Through the design, the product has the advantages of clear identification, wear resistance, firm fixation and the like.

An improved state detection circuit having a reduced power consumption and an increased reliability is disclosed. The state detection circuit has a Hall sensor circuit which is connected between a voltage regulator and an output switch.

The present application provides a kind of power equipment with introduction and extraction position detection device.The power equipment with introduction and extraction position detection device includes: support, one side opening, configuration space is formed in the inside of the support;Power equipment body, can be moved in the configuration space, and guide plate is formed in its one side portion;And position detection part, in the support and during being introduced and extracted the configuration space, the moving position of the power equipment body is linearly detected.In addition, the present application provides the introduction and extraction monitoring system with the power equipment with above-mentioned introduction and extraction position detection device.

The utility model relates to the field of fabricated building, concretely provides a drive arrangement of circuit breaker. The utility model discloses a circuit breaker main part and bottom disc car, be provided with panel on the circuit breaker main part, install the worm wheel on the panel, the worm wheel is engaged with worm, constitutes mechanical transmission part, install handle on the worm, rotate through manual drive worm wheel, further control circuit breaker main part's switching operation, the spiral angle design of worm is less than friction angle, ensure reverse self -locking function, realize high -efficient energy conversion through adopting the combination design of worm wheel worm drive and spring energy storage, make the operating personnel be able to easily complete energy storage process, the synergic work of vacuum bubble and plum blossom contact finger forms double guarantee mechanism, and the vacuum arc-extinguishing chamber can extinguish instantaneously when opening, and the elastic contact structure of plum blossom contact finger guarantees that contact resistance is certain under the on state, effectively avoids the overheat risk.

The invention provides an intelligent power distribution cabinet with an open circuit early warning function, and belongs to the technical field of intelligent power distribution cabinets, the intelligent power distribution cabinet comprises an intelligent switch cabinet body, a switch cabinet door is hinged to the outer wall of one side of the intelligent switch cabinet body, a circuit breaker is arranged on the inner side wall of the intelligent switch cabinet body, the circuit breaker is rotatably connected with a switch, and the switch cabinet door is hinged to the switch cabinet door. A switch-on control assembly, a circuit break warning assembly and an electric control box are arranged on the switch cabinet door. The switch-on control assembly comprises a base arranged on the outer wall of one side of a switch cabinet door. According to the invention, through two groups of four-connecting-rod structures formed by a plurality of connecting rods in the switching-on control assembly and mutual cooperation of the four-connecting-rod structures, a first pushing and pressing column and a second pushing and pressing column can make arc motion along the periphery of the switch, remote switching-on of the circuit breaker can be realized, manual switching-on operation is not needed, the efficiency is high, risks caused by switching-on are avoided, and the switching-on safety of the circuit breaker is improved. And the safety protection is high.

This utility model relates to an easy-to-install circuit breaker, comprising a circuit breaker body and a mounting base, wherein the circuit breaker body is detachably mounted on the mounting base. The outer surface of the circuit breaker body is provided with color-coded markings to indicate the functional types of the wiring terminals; the mounting base is provided with directional arrows to indicate the correct installation direction; the circuit breaker body is provided with an alignment window to allow viewing of the alignment marks on the base for precise positioning. By setting up the above-mentioned visual structure, installation identification is effectively improved, the risk of misinstallation is reduced, and construction efficiency is increased.

The invention relates to the technical field of electric suspension boards, in particular to a special tool for an air switch suspension signboard, which comprises a vertical plate, a horizontal plate, a hook body plate, a limiting plate and a tension device, the horizontal plate is fixed at the right part of the upper end of the vertical plate, and the middle part of the hook body plate is hinged to the middle part of the vertical plate; the right end of the hook body plate and the lower end of the limiting plate are fixed together, the lower end of the tension device is installed in the middle of the limiting plate, the upper end of the tension device is installed on the right portion of the horizontal plate and enables the upper end of the limiting plate to abut against the lower side of the right end of the horizontal plate, and the hook body plate inclines leftwards. The air switch handle is ingenious in structural design and high in universality, and has the dual functions of hanging the nameplate on the air switch handle and locking the air switch operation handle; the problem that the air switch signboard is prone to falling off after being hung is solved, the arrangement reliability of safety measures is improved, and meanwhile misoperation of maintenance personnel is prevented.

The utility model discloses an Internet of Things air circuit breaker, which comprises a shell, a contact, a release and a fire extinguishing chamber, the shell is connected with a power distribution cabinet track through a fixed clamping head and a movable clamping head, a T-shaped sliding rod is installed in a T-shaped track of the shell in a sliding mode, and a wedge-shaped sliding block is matched with a positioning groove and achieves stable fixation of the sliding rod under the action of a spring. The shifting block is used for releasing the wedge-shaped sliding block so as to facilitate quick disassembly, a protruding strip is arranged on one side of the shell, a butt joint groove is formed in the other side of the shell, a clamping strip at the end of the protruding strip is matched with a clamping groove in the butt joint groove so as to be used for stable connection of adjacent circuit breakers, and clamping connection of the clamping strip and the clamping groove can be released by pressing the extrusion block. According to the circuit breaker, the contact, the release and the fire extinguishing chamber are integrated, the release is connected with the Internet of Things system through the intelligent chip, the stability and the use efficiency of equipment are improved by optimizing the mounting and dismounting mode, and the requirements of a modern electric power system for real-time monitoring and remote management of the circuit breaker are met through the intelligent function.

The utility model relates to the technical field of electrical safety signboard, and disclose a kind of fixed electrical safety signboard of small standard circuit breaker, including circuit breaker body and the signboard body being set on circuit breaker body, the upper end of the signboard body is fixedly installed with warning sign, under the cooperation of connecting rod, connecting plate, clamping plate, first spring and first sliding slot, make the signboard body be fixed on circuit breaker body, under the cooperation of rubber plate and several grooves, the friction with circuit breaker body can be increased, to avoid signboard body to fall off, under the cooperation of displacement plate, second spring and brake slot, make displacement plate to fill up brake slot, avoid brake false contact closing, so as to cause the electric shock phenomenon of operator, when brake goes to the direction of closing, brake just contact with alarm button, so as to alarm to notify operator, remind operator to put down the work on hand in time, avoid causing electric shock.

To provide a circuit breaker which can distinctively display connection states of a plurality of power lines with a simple structure.SOLUTION: A connection part 40 is formed by a member which has flexibility and is non-stretchable. Since the member forming the connection part 40 has flexibility, an output part 30 and a display part 50 can be linked to each other according to a physical relationship therebetween without providing a complicated mechanism. Further, since the member forming the connection part 40 is a non-stretchable member, the display part 50 can be moved accurately according to a distance that the output part 30 moves. Therefore, the display part 50 can distinctively display connection states of a plurality of power lines with high accuracy without needing a complicated mechanism and dimensional accuracy of components.SELECTED DRAWING: Figure 8

The utility model provides a moving contact system and a circuit breaker comprising the same. The moving contact system comprises a plurality of contact fingers which are arranged in parallel, and each contact finger comprises a contact point arranged on the outer side surface; the contact supporting piece comprises a supporting plate and a pair of supporting arms arranged on the two sides of the supporting plate, and the first ends of the plurality of contact fingers are pivotally installed between the pair of supporting arms; the plurality of springs are arranged corresponding to the plurality of contact fingers and are positioned between the plurality of contact fingers and the supporting plate of the contact supporting piece; one end of the indicating rod is arranged on the inner side surface of a first contact finger in the plurality of contact fingers at the position corresponding to the contact point, the other end of the indicating rod penetrates through the supporting plate, the indicating rod moves along with the contact fingers, and when the contact fingers are in the closing position, the other end of the indicating rod extends out of the supporting plate. According to the moving contact system provided by the utility model, the indicating rod is arranged at the position corresponding to the contact point of the contact finger, so that when the circuit breaker is switched on, the over travel of the circuit breaker can be accurately indicated.

The utility model discloses a shunt assembly commonly used for a circuit breaker, the universal shunt assembly realizes on-demand configuration of functions of the shunt assembly through a detachable design of an auxiliary cover body and an external microswitch, and when the circuit breaker only needs a shunt tripping function, the auxiliary cover body and the external microswitch can be rapidly disassembled, thereby simplifying the structure; when a shunt excitation auxiliary function is needed, the shunt excitation device can be quickly installed, and diversified requirements are met. According to the universal design, the function integration of the shunt tripping assembly and the shunt auxiliary assembly is realized, so that the base, the upper bracket and other core components can share a mold, the number of molds and the development cost are remarkably reduced, the assembly process is simplified by the modular design, the conversion time and cost in the production link are reduced, and the production efficiency is improved.

The present invention relates to a power device for continuously detecting an introduction and an exit position, including: a bracket formed with a bracket terminal; a circuit breaker body mechanically and electrically connected or separated from the bracket terminal; and a beam part and a transfer part as a transfer device for moving the circuit breaker body to a connected or separated position, wherein a position sensing area part is formed on a side surface of the circuit breaker body, and a sensor module has a non-contact sensor opposite the position sensing area part and detects a position of the circuit breaker body by sensing a moving position of the position sensing area part, and is fixedly combined to an inner side surface of the bracket.