70results about How to "Avoid false connection" patented technology

The invention discloses an electric energy meter extra-posed circuit breaker structure with wireless communication. The structure comprises a circuit breaker and a driving module, wherein the drivingmodule comprises an execution unit, a control unit and a wireless communication unit; the execution unit is connected with the circuit breaker and is used for controlling the on and off of the circuitbreaker; the control unit is connected with each of the circuit breaker and the execution unit and is used for receiving a state signal of the circuit breaker; the control unit is further connected with the wireless communication unit and is used for receiving a control signal sent by peripheral equipment through the wireless communication unit. The electric energy meter extra-posed circuit breaker structure has the beneficial effects of encrypting wireless data, improving the safety, effectively preventing tamper and electric larceny, accurately and effectively controlling circuit breaker actions, effectively preventing wrong and false wired connection and reducing the operation and maintenance cost.

The invention discloses a fast-connected power switch which comprises an eccentric card tension spring, wherein one end of the eccentric card tension spring is connected with a power-supply wiring metal plate; one end of a connecting shaft screw is in threaded connection with a spring tension regulating nut after passing through the eccentric card tension spring; the other end of the connecting shaft screw is connected with an insulated eccentric card after passing through the power-supply wiring metal plate; the other end of the eccentric card tension spring is connected with the spring tension regulating nut; the bottom of the insulated eccentric card, close to the power-supply wiring metal plate, is provided with a wire nose jack; the bottom of the insulated eccentric card is provided with a jack front end upwarp cambered surface; a plate-type wire nose with an opening in the middle part is positioned in a position where the insulated eccentric card is in contact with the power-supply wiring metal plate; the plate-type wire nose with the opening in the middle part corresponds to the wire nose jack; and the plate-type wire nose with the opening in the middle part and the power-supply wiring metal plate are respectively connected with a power connecting wire. The fast-connected power switch has the advantages of simpleness in operation, lower manufacturing cost, convenience for use and higher safety performance in the using process.

The invention relates to a voltage-withstand test device for basin-type insulators. The voltage-withstand test device comprises a tank for accommodating a basin-type insulator voltage-withstand tool and is characterized in that a fixed conductive part which extends into the tank in a suspended manner is arranged on the tank, the basin-type insulator voltage-withstand tool is provided with a movable conductive part which extends towards the fixed conductive part in a suspended manner and used for being electrically connected with the fixed conductive part, and a conductive spring which is usedfor achieving electrical connection of the fixed conductive part and the movable conductive part is arranged on one of the fixed conductive part and the movable conductive part. The voltage-withstandtest device has the advantages that the movable conductive part is electrically connected with the fixed conductive part through the conductive spring, false circuit connection is prevented through the pre-deformation of the conductive spring, and contact reliability is achieved.

The invention discloses a piece of cable supporting pincers for secondary cable operation. The cable supporting pincers comprise a cable supporting pincer body, a hinge joint head, a pair of handles and a cable supporting buckle, wherein the cable supporting pincer body comprises a pair of pincer shoulders hinged to the hinge joint head and a pair of pincer arms corresponding to the pincer shoulders in a one-to-one mode, the bottom ends of the two pincer shoulders are fixedly connected with the corresponding handles respectively, the top ends of the two pincer shoulders are respectively provided with a groove, the two top ends of the two pincer arms are bent and extend to form two arc-shaped grooves, two convex edges matched with the corresponding grooves of the two pincer arms protrude out of the bottom ends of the two pincer arms which are hinged to the corresponding pincer shoulders through the convex edges and the grooves, one end of the cable supporting buckle is hinged to one pincer shoulder, and the other end of the cable supporting buckle is buckled onto the other pincer shoulder. The cable supporting pincers are wide in application range, easy to operate, safe, reliable and convenient to carry, and the cable supporting angle and the cable supporting range of the cable supporting pincers can be adjusted according to needs.

The invention relates to a device for hanging or detaching a grounding wire of a high-voltage line by an aircraft and a use method. The device is used for inductive discharge between tower angle steel on a high-voltage tower and a high-voltage line; the device comprises a grounding device clamped with tower angle steel, a high-voltage line clamping device clamped with the high-voltage line, and an aircraft; and the grounding device is connected to the high-voltage line clamping device through a wire. The grounding device comprises an inverted U-shaped grounding guide rail, a proximity switch, a guide column and a baffle plate; one end of the guide column is provided with a first magnet, the baffle plate is provided with a second magnet, the aircraft is provided with a retractable connecting rope, and the connecting rope is provided with a hook; and the hook is connected to a hanging ring. The high-voltage line clamping device comprises a first clamping body, a second clamping body, a torsion spring and an electric push rod. The device has the beneficial effects that: through the arrangement of the device for hanging or detaching the high-voltage line grounding wire by the aircraft, induced electricity in the high-voltage line is connected to a tower through a wire to discharge to the ground.

The invention relates to the field of air switches, and particularly discloses a novel air switch which comprises a shell, an input terminal with an input sleeve, an output terminal with an output sleeve, a conducting strip, an overload protection bimetallic strip, a rotating piece, a wire and a mechanical locking handle assembly. The thermal inductance device is provided with a controller, a display screen, a temperature sensor and an electromagnetic pull rod assembly. According to the invention, the input sleeve is arranged on the input terminal, the output sleeve is arranged on the output terminal, and the input sleeve and the output sleeve of which the end parts are exposed wrap the end part of the wire and are fixed through the screw, so that the wiring condition can be conveniently observed, the wiring end can be reinforced, virtual connection is avoided, and the wiring quality is improved. The heat dissipation effect of the wiring end is improved; and the temperature of the wiring end and the external temperature of the air switch can be monitored in real time through the thermal inductance device, so that internal and external dual overheating protection is performed on the air switch, and a temperature value is fed back in real time.

The invention relates to a voltage-withstand test device for basin-type insulators. The voltage-withstand test device comprises a tank for accommodating a basin-type insulator voltage-withstand tool and is characterized in that a fixed conductive part which extends into the tank in a suspended manner is arranged on the tank, the basin-type insulator voltage-withstand tool is provided with a movable conductive part which extends towards the fixed conductive part in a suspended manner and used for being electrically connected with the fixed conductive part, and a conductive spring which is usedfor achieving electrical connection of the fixed conductive part and the movable conductive part is arranged on one of the fixed conductive part and the movable conductive part. The voltage-withstandtest device has the advantages that the movable conductive part is electrically connected with the fixed conductive part through the conductive spring, false circuit connection is prevented through the pre-deformation of the conductive spring, and contact reliability is achieved.

The invention provides a new energy electronic lock, a feedback control circuit thereof, a control method and a new energy automobile, the new energy electronic lock is applied to the new energy automobile, and the new energy electronic lock comprises a driving module used for receiving a locking signal, generating a lock driving signal and driving the electronic lock to be locked through the lock driving signal; and the control unit is connected with a feedback pin of the driving module and is configured to obtain a first driving current in the locking process of the electronic lock and judge the locking state of the electronic lock according to the first driving current, so that a user of the new energy automobile is informed of the locking condition of the charging plug, and the charging plug of the new energy automobile is locked. Virtual connection of the charging plug is avoided, and the charging quality of the new energy automobile is ensured.

The invention discloses a novel short-circuit structure of test connection terminals of secondary equipment. The structure comprises bar-shaped short-circuit pins in certain thickness and a terminal row capable of accommodating the short-circuit pins, insulation sleeves are arranged on the short-circuit pins respectively, the two sides of each short-circuit pin are provided with guiding grooves respectively, and the guiding grooves are in parallel with the length direction of the short-circuit pin. The short-circuit structure has the advantages that a plug-in type short-circuit manner is usednewly, and the short-circuit efficiency is improved; the short-circuit pins have a stronger damping effect after being plugged into the terminal row, during use, the short-circuit pins are pressed into the terminal row, it is ensured that the pins are plugged in place, and a secondary loop is prevented from break or false connection; and the tail portions of the short-circuit pins are provided with the insulation sleeves additionally, and the safety of short-circuit operation is ensured.

The invention discloses a high voltage electrostatic oil fume purification device. The high voltage electrostatic oil fume purification device comprises a shell and an electrostatic device arranged in the shell, wherein the electrostatic device comprises an ionization module and a dust collection module; each of the ionization module and the dust collection module comprises a mounting skeleton, high-voltage polar plates, zero polar plates and an energization sheet; the high voltage electrostatic oil fume purification device is characterized in that inserting grooves arranged at intervals are formed in the left side and the right side of the top of each mounting skeleton; the end parts of the high-voltage polar plates and the zero polar plates penetrate through the inserting grooves to be in contact with the energization sheets; limiting grooves extending in the longitudinal direction are formed in the left inner side wall and the right inner side wall of each mounting skeleton; the width of the limiting grooves is consistent with the thickness of the high-voltage polar plates and the zero polar plates; and the parts, corresponding to the limiting grooves, of the two ends of the high-voltage polar plates and the zero polar plates are tightly clamped into the limiting grooves. Since the limiting grooves are formed in the skeletons of the electrostatic device, the polar plates can be effectively clamped tightly, in addition, the consistency of interval differences among the polar plates is guaranteed, and the mounting strength is also enhanced, therefore, the mounting is more reliable.