55results about How to "Guaranteed contact reliability" patented technology

The invention provides an arc striking device for electric switch equipment. The arc striking device comprises a moving contact system and a fixed contact system; the moving contact system comprises a moving arc contact, a contact finger seat, and an auxiliary contact, a moving arc striking ring and a moving insulating cover which are sequentially fixed on the contact finger seat in the switch-on direction; the fixed contact system comprises a conductive support piece, and a static insulating cover, a static arc striking ring and a static arc contact which are sequentially fixed on the conductive support piece in the switch-on direction; and when the arc striking device is in a switch-on state, the moving arc contact passes through openings of the auxiliary contact, the moving arc striking ring, the moving insulating cover, the static insulating cover, the static arc striking ring and the static arc contact, and is electrically contacted with the auxiliary contact and the static arc contact. Since the moving arc striking ring and the static arc striking ring are arranged outside the moving arc contact and the static arc contact, the burning time of arc on the arc contacts when the switch cuts off fault current is shortened, the burning degree of the contacts is reduced, the contact reliability of the contacts is ensured, and the service life of the switch is prolonged.

The embodiment of the invention provides a chip module encapsulation structure, and relates to the technical field of electric power. According to the structure, the technological process is simplified, the encapsulation time is reduced, and the production cost is reduced. The chip module encapsulation structure comprises multiple chips; a positioning element, wherein hole units which are distributed in an array are arranged on the positioning element, and each hole unit is used for fixing one chip; a shell which comprises a top shell, a middle ring and a bottom shell, wherein the edges of the top shell and the bottom shell are jointed with the upper opening and lower opening of the middle ring, multiple first molybdenum sheets are fixedly arranged on the top shell, the first molybdenum sheets correspond to the positions of the hole units, and one side of each first molybdenum sheet contacts with the first pole of each chip; and multiple bosses which are arranged on the bottom shell of the shell, wherein second molybdenum sheets are fixedly arranged on the bosses, and one side of each molybdenum sheet contacts with a second pole of each chip.

The invention provides an electric connector combination which comprises a plug connector and a socket connector, wherein the plug connector and the socket connector are in butt joint. The plug connector comprises a plug body, a sub circuit board which is accommodated in the plug body and a cable which is electrically connected with the sub circuit board. The plug body has a matching surface. The sub circuit board has a tongue board which protrudes out of the matching surface toward the socket connector and a number of conductive films which are arranged on the surface of the tongue board. The socket connector comprises a socket body and a number of elastic terminals which are accommodated in the socket body. The socket body has a butt joint part and an insertion slot which is concavely arranged on the butt joint part to accommodate the tongue board. The plug body has two side walls which protrude from the matching surface toward the socket connector and are located on left and right sides of the tongue board. Two side walls are located on left and right sides of the butt joint part to limit left and right swinging of the plug connector.

The invention discloses a medium-voltage coiled cable conductor performance intelligent detection device and system. The device comprises a power source management unit, a central processing unit, a cable length measuring unit, a cable conductor parameter measurement unit, a system temperature detection unit, a data display transmission unit and a battery module, the system comprises the medium-voltage coiled cable conductor performance intelligent detection device and an interface module. According to a detection result of the medium-voltage coiled cable conductor performance intelligent detection device, the cable length, the cable conductor resistance and cable conductor section parameters are obtained, the medium-voltage coiled cable conductor performance quality can be comprehensivelyjudged, and the safe operation of a medium-voltage cable after network access can be guaranteed. The medium-voltage coiled cable conductor performance intelligent detection device and system effectively improves the quality detection speed of the medium-voltage coiled cable and are suitable for the field inspection and common measurement work of the medium-voltage cable, meanwhile, the cloud storage of test data can be realized, a test database is formed, the traceability quality evaluation is carried out on a medium-voltage cable supplier, and the device and system are suitable for large-scale popularization and guarantee the network access quality of the medium-voltage cable.

The invention relates to a ceramic closed cavity structure of a high-voltage relay. The direction of the axis connecting line of a pair of contact rods is the X direction, and the direction perpendicular to the axis connecting line of the pair of contact rods is the Y direction; a pair of oppositely-arranged permanent magnets are arranged at the positions, located on the two sides of the pair of contact rods, in the X direction; an upper magnetic conductive ring and a lower magnetic conductive ring are added at two ends of a contact piece for conducting the contact rod, and the upper magneticconductive ring is fixedly connected with the pull rod shaft; the top of the pull rod shaft is fixedly connected with the upper magnetic conductive ring, the lower magnetic conductive ring is providedwith a small hole allowing the pull rod shaft to freely penetrate through and supported by the overtravel spring; one end of the overtravel spring is fixed, and the other end of the overtravel springcan drive the lower magnetic conductive ring to float. When an extremely large current passes through the contact piece, the periphery of the contact piece generates a closed annular magnetic circuitalong the upper magnetic conductive ring and the lower magnetic conductive ring, and the lower magnetic conductive ring has upward thrust to the contact piece under the action of electromagnetic attraction, so downward separation force generated by the extremely large current to the contact piece is overcome and counteracted.

The invention discloses a three-phase rapid switching apparatus applicable to a high current. The switching apparatus comprises a switching mechanism; one side of the switching mechanism is connected with a power mechanism; the switching mechanism comprises a shell body, a base, a connecting plate and a transmission shaft; the shell body is arranged outside the switching mechanism, and the base is arranged at one end of the shell body; arc chute sheets are uniformly distributed on the base; the connecting plate is arranged on the inner side of the base; the connecting plate is fixedly connected with contact points; the transmission shaft is arranged in the shell body; a main shaft is arranged outside the transmission shaft; and contacts are connected with the main shaft on one side of the contact points. The switching apparatus can realize rapid switching between three-phase high-current circuits, so that the circuit interruption time can be lowered, possibility of short circuit caused by breaking of electric arc and a condition of inter-phase short circuit caused by program error can be avoided, and high contact reliability and long service life can be realized.

The invention discloses a high-capacity battery with a heat dissipating device. The high-capacity battery consists of a plurality of cylindrical single batteries which are connected in parallel and comprises a fixture and the cylindrical single batteries mounted on the fixture and connected in parallel, as well as longitudinal gaps and transverse gaps, which are formed between the cylindrical single batteries, wherein a radiating fin is inserted into the longitudinal gaps and/or the transverse gaps; a plurality of elastic heat conducting sheets are fixedly arranged on the radiating fin; each elastic heat conducting sheet is provided with an inwardly concave arc surface compressed and fitted onto the outer wall surface of one of the cylindrical single batteries. The high-capacity battery is simple in structure and convenient to assemble; the contact areas between the radiating fin and the cylindrical single batteries are large; the radiating fin and the cylindrical single batteries are guaranteed to be in reliable contact during use, so that the heat radiating efficiency of the high-capacity battery is improved, and meanwhile, the consistency of temperature in the high-capacity battery is guaranteed.

The invention relates to the technical field of communication equipment, in particular to a connector and a connector assembly using the same, the connector comprises a connector shell and terminal rows, each terminal row comprises signal differential pairs and grounding terminals, the signal differential pairs and the grounding terminals are sequentially and alternately arranged in the transverse direction, each signal differential pair comprises a pair of signal terminals, at least two terminal rows are arranged at intervals along the longitudinal direction; the connector further comprises a shielding structure, the shielding structure comprises transverse shielding bodies fixedly arranged on the connector shell, the transverse shielding bodies are arranged between any two adjacent terminal rows, the transverse shielding bodies and the terminal rows are arranged at intervals in the longitudinal direction, and at least one side of each transverse shielding body in the longitudinal direction is provided with a transverse shielding body contact part in a protruding mode. And the transverse shielding body contact parts are used for being in contact conduction with the corresponding grounding terminals. The transverse shielding bodies do not need to be sleeved on the grounding terminals when being installed, can be installed independently from the grounding terminal, are not restrained by the grounding terminals, and are easy to install.

The invention provides a charging device, and relates to robot main body charging technology. According to the invention, a first elastic piece is arranged between a first electrode and a charging pile main body, so the collision impact between a robot main body and a charging pile is buffered through the elastic deformation of the first elastic piece. Thus, the damage of the collision impact to afirst electrode and a second electrode is reduced; in addition, the first elastic piece can push and abut against the first electrode so that the first electrode can closely contact with the second electrode, and the contact reliability between the robot body and the charging pile can be guaranteed.

The invention relates to the field of electrical connectors, in particular to a jack contact for electrical connectors and contact units thereof. The jack contact comprises a conducting sleeve; the front of the conducting sleeve is provided with a plug hole; at least one contact unit is arranged inside the plug hole; each contact unit comprises a fixing sleeve coaxial with the plug hole and a cantilever spring claw which is arranged at the front end of the fixing sleeve. The fixing sleeve is in interference fit with the conducting sleeve. A clearance is arranged between the back of the spring claw and the wall of the plug hole. Therefore, signals can be transmitted through contact between the contact units and fitting pins; when the spring claw damages, only the corresponding contact units need to be removed and replaced; the problem of waste on jack contacts can be solved; maintenance efficiency of electrical connectors is improved.

The invention relates to the technical field of conductive connection, in particular to a connector between parallel boards. The connector between parallel boards includes a base plate and a contact piece. The base plate is provided with a large number of metallized holes penetrating through the plate body in the thickness direction; the contact piece includes a connecting section and a butt joint section. Conduction between the two, after the contact is installed in the metallized hole, the butt section is exposed outside the metallization hole and is in conductive contact with the mating connector during use; the butt section is an elastic structure that can be elastically deformed in the thickness direction of the substrate , and elastically abuts against the contacts of the adapter connector when in use; the substrate is respectively equipped with contacts on both sides of the board body, and the two contacts installed in the same metallized hole are paired, and the paired two The contacts are electrically connected through the metallized holes. The overall design and manufacture cost of the connector between parallel boards is relatively low.

The invention discloses an easy-cleaning long-life elastic contact structure which comprises a pin base member and a jack base member. The connection mode in which the semi-circular ball end of the pin contact member on the pin base member touches the arc-shaped cavity of the jack contact member on the jack base member is adopted. According to the method, the contact between the pin contact memberand the jack contact member is in non-friction contact, the contact member is not worn, the contact reliability of the contact member is maintained through the elastic force provided by the spring and the service life of the contact member is prolonged. The semi-spherical end of the pin contact member on the pin base member is in contact with the arc-shaped cavity of the jack contact member on the jack base member. As the jack contact member changes the traditional deep hole design so that cleaning of dust, water vapor and other sundries existing on the surface of the contact can be facilitated, wearing and falling off of the coating on the surface of the contact can be avoided and the working reliability of the contact can be improved.