1696results about "Connection insulation" patented technology

A plug-in connection comprises a plug-in connector (1) and a mating plug-in connector that can be plugged together with the latter. The plug-in connector (1) has a housing (2) into which an electrical conductor (3) is inserted. The electrical conductor (3) is electrically contacted with a contact partner (4) likewise arranged in the housing (2) by means of their surfaces coming to rest on each other. The contact partner (4) is contacted via its circumferential end face (5) with a contact partner of the mating plug-in connector in such a way that the end faces come to rest on each other. The plugging-together is effected and supported by a screw (6). The screw includes insulation (e.g., insulating element (12) or a coating) such that the screw (6) does not touch voltage-carrying parts such as the electrical conductor (3) and / or the contact partner (4).

A power distributor (200) with at least two incoming lines (101-103) and a method for manufacturing such a power distributor is suggested. Each incoming line has a conductor (106,107) and an individual screen (114). The conductors of the incoming lines are connected at a connection point (V1, V2), which is enclosed by a screen shield (201) that contacts each individual screen (114) of the incoming lines. The screen shield (201) is made from electrically conducting plastic material. Screen shields made from electrically conducting plastic material is easier to manufacture and less expensive than metal screen shields.

A connection unit connects an electrical supply line to a connection element of a heatable exhaust gas system. The connection unit has a housing having a connection element receiving region extending in the direction of a first housing axis (G1) and a supply line receiving region extending in the direction of a second housing axis (G2). The connection element receiving region is open in a first axial connection element receiving region end region for receiving the connection element protruding from an exhaust gas system and is closed off in a second axial connection element receiving region end region. The supply line receiving region is open to the connection element receiving region in a first axial supply line receiving region end region and is open in a second supply line receiving region end region for receiving an electrical supply line.

The utility model relates to the technical field of batteries, in particular to a CCS assembly and a battery module. The CCS assembly comprises a mounting plate, a conducting bar, a sampling wire harness and a heat shrink tube, the mounting plate comprises a first mounting table and a second mounting table, the first mounting table and the second mounting table are adjacently arranged at intervals through a gap penetrating through the thickness of the mounting plate, the conducting bar is arranged on the surface of the first mounting table, and the sampling wire harness is electrically connected with the conducting bar. And the heat shrink tube sleeves the peripheries of the second mounting table and the sampling wire harness so as to wrap and fix the sampling wire harness and the second mounting table. The CCS assembly wraps and fixes the sampling wire harness and the second mounting table through a heat shrink tube, so that the fixing effect of the sampling wire harness and the mounting plate is ensured. Besides, by heating the heat shrink tube, the heat shrink tube can be thermally shrunk to wrap and fix the sampling wire harness and the second mounting table, so that the influence on the flattening of the tab of the battery cell is avoided, the production efficiency of the battery module is improved, and the safety of the product is improved.

A heat shrinkable connection component according to one embodiment of the present disclosure is used for the purpose of connecting an insulated wire that is obtained by covering a conductor with an insulating layer. This heat shrinkable connection component is provided with a heat shrinkable tube that has a melting point of 210° C. to 250° C. and a pair of sealing parts that are arranged on the inner circumferential surfaces of both end parts of the heat shrinkable tube; and the sealing material of the sealing parts has a shear viscosity of 1,000 Pa·s to 2,000 Pa·s at a shear rate of 100 / s at 250° C., and a shear viscosity of 7,000 Pa·s to 70,000 Pa·s at a shear rate of 0.01 / s at 215° C.

The invention discloses a cross-linked polyethylene insulated control cable, and relates to the technical field of cross-linked polyethylene insulated cables, the cross-linked polyethylene insulated control cable comprises an insulating shell, a notch is formed in the middle of the top surface of the insulating shell, a sealing ring and a protective sleeve are arranged in the middle of the left side and the right side of the insulating shell, and the protective sleeve is fixed on the inner wall of the sealing ring; the inner wall of the protective sleeve is provided with a tear-resistant filler, the inner wall of the tear-resistant filler is provided with a plurality of cross-linked polyethylene insulating layers, the inner walls of the cross-linked polyethylene insulating layers are provided with copper cores, the ends, close to each other, of the copper cores are fixedly connected, the insulating tape is wound on the outer walls of the copper cores, and the outer walls of the copper cores are fixedly connected with the cross-linked polyethylene insulating layers. The calcium chloride block in the top cover is conveniently replaced by a maintainer, so that the problem that the maintenance effect of the crosslinked polyethylene insulated control cable is poor due to the fact that the calcium chloride block is inconvenient to replace in the maintenance process of the crosslinked polyethylene insulated control cable is solved.

The utility model belongs to the technical field of heating and ventilation equipment, and particularly relates to an electric control board, an indoor unit and heating and ventilation equipment. The electric control board comprises a circuit board which is provided with a control circuit; the plurality of binding posts are integrally arranged on the circuit board and are electrically connected with the control circuit; the protection part is arranged on the circuit board, the protection part is provided with at least one containing groove, and the binding posts are contained in the containing grooves. According to the technical scheme, the circuit layout of the electric control board can be diversified, the layout space can be saved, different electric control layouts and on-site wiring scenes can be adapted, and the use experience degree of a user is improved.

The utility model discloses a fastener, an electric connection module and a connector. The outer flange and the threaded hole are located at one end of the fastener, and the stud part is located at the other end of the fastener. The stud part of the fastener is suitable for penetrating through the conductive sleeve and being in threaded connection with the conductive terminal, and the outer flange of the fastener is suitable for axially abutting against one end of the conductive sleeve, so that the conductive sleeve can be vertically fastened on the conductive terminal by the fastener; the threaded hole of the fastener is suitable for being in threaded connection with the bolt, so that the matching terminal can be fastened to one end of the conductive sleeve through the bolt. According to the utility model, the fastener, the conductive sleeve and the conductive terminal can be disassembled and assembled, so that the required installation space is small, the size of the connector can be reduced, and the miniaturization of the connector is realized. In addition, the connector provided by the utility model not only has a compact structure, but also has the functions of waterproof sealing, electromagnetic shielding, high-voltage interlocking, finger protection and the like.

The invention provides a manufacturing method of a rare earth aluminum alloy cable joint, and relates to the technical field of electric power connection, and the manufacturing method comprises the following steps: S1, preparing materials and tools; s2, the cable is processed; s3, connecting wire cores, exposed outside, of the cable together by using a connecting piece; s4, an insulating sleeve is additionally arranged outside the connecting piece; s5, sealing the two ends of the insulating sleeve; s6, the sealed insulation sleeve is subjected to inspection treatment; the connecting piece comprises a connecting rod and a plurality of connecting parts, and each connecting part comprises an extrusion area, limiting teeth and a mounting groove. The limiting teeth are arranged on the connecting piece between the connecting cables, so that the contact area between the connecting piece and the wire core can be effectively increased, the friction force between the wire core and the connecting piece is further increased, the stability of connection between the connecting piece and the wire core is improved, the energy loss in the electric energy transmission process can be well controlled, and the service life of the cable is prolonged. The service life of the cable can be prolonged; and safe operation of a power system is ensured.

In a first wiring material (2) and a second wiring material (3) of a connection structure (1) of wiring materials, in a fixed state in which a shaft part (31) of a fastening element (4) is inserted through a first through hole (14) for fastening and a second through hole (44) for fastening, and a second electrical conductor (40) is attached to a first electrical conductor (10) through the fastening element (4), a first finger touch protection part (24) is inserted through a through hole (45) for a second finger touch protection part, a second finger touch protection part (54) is inserted through a through hole (15) for the first finger touch protection part, and a first connecting surface (13) and a second connecting surface (43) are brought into contact with each other in a plate thickness direction Z to be electrically connected.

A connector for connecting a NTC (negative temperature coefficient) thermistor is disclosed. The connector comprises an insulating body and a conductive terminal. The insulating body has a receiving hole therein. The conductive terminal has a connecting portion extending outward. The connecting portion extends out of the insulating body. The connecting portion has a recess for a NTC thermistor to be embedded and attached to the recess, such that the NTC thermistor can detect the temperature inside the connector in time. Thus, the power can be cut off in time to avoid irreversible consequences of fire, and the NTC thermistor can be mounted and operated more easily.

The application discloses a crosslinked polyethylene insulated control cable and relates to the technical field of crosslinked polyethylene insulated cables.The application comprises an insulating shell, a protection sleeve and an insulating adhesive tape.The middle of the top surface of the insulating shell is provided with a notch, and the middle of the left and right sides of the insulating shell is provided with a sealing ring.The protection sleeve is fixed on the inner wall of the sealing ring.The inner wall of the protection sleeve is provided with tear-resistant filling.The inner wall of the tear-resistant filling is provided with a plurality of crosslinked polyethylene insulation layers.The inner wall of the crosslinked polyethylene insulation layer is provided with a copper core.The copper core is fixedly connected at the end close to each other.The insulating adhesive tape is wound on the outer wall of the copper core.The calcium chloride block in the top cover can be conveniently replaced by maintenance personnel, so that the problem that the crosslinked polyethylene insulated control cable is inconvenient to replace the calcium chloride block during maintenance and causes poor maintenance effect of the crosslinked polyethylene insulated control cable is avoided.

The invention discloses an electric lightning arrester insulation shield capable of being installed without power outage and an installation method, and relates to the technical field of electric protection, the electric lightning arrester insulation shield comprises an insulation cover, an elastic automatic locking mechanism, an installation sheet and a reinforcing plate, the insulation cover is integrally formed, a turnover plate is connected to the lower ends of a left side plate and a right side plate, and the elastic automatic locking mechanism comprises a left locking module and a right locking module; the modules are connected through a pressure piece and a clamping piece through a connecting piece, a lock body part penetrates through a locking hole to achieve locking, during installation, the protective cover is driven by an insulating rod to be horizontally pushed into the top of the lightning arrester, a locking mechanism is extruded and triggered to achieve automatic locking, the protective cover is fixed to an exposed metal piece, and main insulation is not affected. Locking is reliable, the service life is long, operation is convenient, the device can be expanded to multiple fields, and safe operation of equipment is guaranteed.

A method of building a joint insulation of a power cable joint including a conductor joint connecting a first conductor of a first cable length to a second conductor of second cable length, the method including: a) winding a first electrically insulating tape around an inner semiconducting layer that covers the conductor joint so that the first electrically insulating tape connects a first cable length insulation layer of the first cable length to a second cable length insulation layer of the second cable length, to form an inner insulation layer of the joint insulation, and b) winding a second electrically insulating tape around the inner insulation layer, so that the second electrically insulating tape connects the first cable length insulation layer to the second cable length insulation layer, to form an outer insulation layer of the joint insulation, wherein the first electrically insulating tape has a higher peroxide content than the second electrically insulating tape, and c) crosslinking the joint insulation.

A connection assembly, a connector and a connector assembly are disclosed. The connection assembly is used to connect a high-voltage cable and comprises: a threaded fastener for fixedly connecting the high-voltage cable to a mating connection part, the threaded fastener comprising an insulation member; and a conductive plug connected with the insulation member to allow the threaded fastener to be tightened or loosened by rotating the conductive plug. In the present invention, the conductive plug arranged in the mounting hole of the conductive housing can realize the electromagnetic shielding function, and the elastic sealing sleeve sleeved on the conductive plug seals the gap between the conductive plug and the inner wall of the mounting hole and can realize the waterproof function. The insulation member serves to electrically isolate the threaded connecting member from the high voltage cable.

The present invention relates to a protective structure for a wiring terminal of a ground fault circuit interrupter (GFCI) socket. The protective structure includes a housing, where an electronic assembly is arranged in the housing, the wiring terminal is arranged on an outer side of the housing, a protective cover is arranged at the wiring terminal, the protective cover is detachably connected to the housing in a buckled manner, and the protective cover covers an exposed portion of an electric conductor of the wiring terminal. The protective cover of the socket can be inserted and buckled on the housing of the socket after the wiring terminal is connected to a conductive wire, two covering sheets achieve insulation protection by covering the wiring terminal, and the wiring terminal is prevented from being touched by mistake to influence conductive connection. Furthermore, the protective cover of the present invention employs an insertion structure between an inserting block and a slot to achieve a fixing structure of three-point positioning in combination with clamped connection between clamping grooves formed by L-shaped clamping members and side portions of the covering sheets, assembly and disassembly are both quite convenient, and only downward insertion and pressing on both sides as well as simultaneous upward pushing are needed.

The utility model relates to an electric wire and cable capable of being mutually spliced, which comprises a cable, a cable core is arranged in the cable, an insulating connecting cylinder is arranged on the outer surface of the cable, a connecting column is fixedly arranged in the insulating connecting cylinder, and circular grooves are formed in the left side and the right side of the connecting column. And one end of the wire core penetrates through and extends into the circular groove. According to the electric wire and cable capable of being spliced with each other, through the arrangement of the communication assembly and the connecting column, the two ends of two wire cores are clamped and communicated through two clamping pieces in the communication assembly, then a limiting sleeve is controlled to move towards one side by rotating a threaded cylinder part, and then two pressing blocks are extruded towards the opposite side; according to the utility model, the two pressing blocks are arranged, so that the cables are firmly clamped and fixed by using the two pressing blocks, the two cables are quickly spliced, and the integral insulating connecting cylinder is utilized, so that the protection of the splicing part is improved, the service life of the splicing part is prolonged, and the use risk of the wires and cables is reduced.

In an example, an anti-shrink back device is positionable at least partially around insulation of an electrical conductor at an end of the insulation adjacent to an uninsulated segment of the electrical conductor. The anti-shrink back device includes a band mechanically tightenable at least partially around the insulation at the end of the insulation adjacent to the uninsulated segment to secure or inhibit movement of the end of the insulation longitudinally relative to the electrical conductor.

The invention relates to the technical field of power cables, and provides a 6kV-35kV aluminum alloy conductor crosslinked polyethylene insulated power cable, which comprises a cable body, the cable body comprises a plurality of wires, a filling layer is arranged among the plurality of wires, a wrapping layer is wrapped outside the filling layer, an armor layer is arranged outside the wrapping layer, and the armor layer is wrapped outside the plurality of wires. The cable further comprises an extrusion lining layer, wiring assemblies, a separation assembly and a thermal shrinkage sheath, the extrusion lining layer is arranged outside the wrapping layer in a wrapping mode, the wiring assemblies are arranged at the butt joint positions of every two cable bodies, the separation assembly is installed outside the wiring assemblies, the thermal shrinkage sheath is arranged between the outer sheaths of the two cable bodies in a wrapping mode, and the thermal shrinkage sheath is arranged between the outer sheaths of the two cable bodies in a wrapping mode. According to the technical scheme, the problem that in the cable butt joint process in the prior art, due to the fact that the connector of the cable is affected by stretching or external force, the cable connector is prone to mechanical damage is solved.

The invention relates to the technical field of leakage protectors, in particular to a leakage protector convenient to install and capable of using electricity safely, which comprises a leakage protector main body, a plurality of wire inlet holes used for connecting wires are formed in the outer side of the top of the leakage protector main body, and binding mechanisms are fixed to the tops and the bottoms of the outer sides of the wire inlet holes. The binding mechanism comprises a supporting plate, two connecting rods are rotationally arranged at one end of the supporting plate, and a rubber wheel is rotationally arranged between the two connecting rods. According to the electric leakage protector, the pulling resistance of the wire is increased through the two rubber wheels, the phenomenon that the wire is pulled off is reduced, when the wire is pulled by large force to move, a copper wire of the wire moves into the elastic bag, an electric shock accident is prevented, and the use safety of the electric leakage protector is improved; and meanwhile, the rubber wheel rotates and winds the traction belt along with the movement of the wire, the traction belt pulls the elastic bag to tension the outer side of the elastic bag, and a user observes the tensioning phenomenon of the elastic bag to conveniently check whether the wire is pulled out of the mounting position.

The utility model belongs to the field of electric power installation, and particularly relates to an electric power installation lead clamp which comprises a clamp shell, a plurality of installation mechanisms are arranged on the inner wall of the bottom of the clamp shell, each installation mechanism comprises two one-way clamps and a two-way clamp, the two one-way clamps are arranged on the two sides of the two-way clamp respectively, and the two one-way clamps are arranged on the two sides of the two-way clamp respectively. The two one-way clamps and the two-way clamp are used for clamping a lead; mounting bases are fixedly mounted on the two sides of the clamp shell, positioning mechanisms are arranged on the two mounting bases, a top cover is detachably mounted on the top of the clamp shell, and two insulating sheets are detachably mounted on the inner side of the clamp shell. According to the utility model, a plurality of lead wire clamps in the clamp shell can be controlled at the same time, so that the lead wire clamps can clamp corresponding lead wires, a worker does not need to independently adjust the lead wire clamps, the installation efficiency is improved, and the arranged positioning mechanism can better assist the lead wire clamps in fixed installation.

The invention discloses an insulating joint and a working method thereof, the insulating joint comprises a main insulating head and an auxiliary insulating head which are in screwing butt joint, one end, close to the auxiliary insulating head, of the main insulating head is rotatably provided with an internal thread joint, and one end, close to the main insulating head, of the auxiliary insulating head is integrally provided with an external thread joint used for being in screwing fit with the internal thread joint; and an annular lip edge is integrally formed on the peripheral surface of the external thread joint. The fixing strength of the connector can be accurately adjusted according to the outer diameter of a cable, tight combination with the end of the cable is achieved, the mechanical connection strength between the connector and the cable is enhanced, it is guaranteed that the end of the cable is not prone to loosening or shifting in the long-term use process, and the service life of the cable is prolonged. And the multi-claw cable tightening assembly enables the friction force between the joint and the cable to be increased through uniformly distributed grasping force, so that the problem of loose connection possibly caused by vibration, stretching or external force is effectively avoided.

The utility model discloses a connector. The connector includes: an outer shielding case including a front end wall and a rear port which are opposite in a longitudinal direction thereof, and a top wall and a bottom opening which are opposite in a height direction thereof, and a mounting port is formed in the top wall; the inner insulating shell is inserted into the outer shielding shell from the rear port of the outer shielding shell and is provided with an insertion cavity; the electric transmission piece is inserted into the insertion cavity of the inner insulating shell and is led out from the rear port of the outer shielding shell; the conductive terminal is welded to the front end of the electric transmission piece; the insulating retainer is arranged in the bottom opening of the outer shielding shell and is used for retaining and positioning the conductive terminal; and the fastening assembly enters the inner insulating shell through a mounting port in the top wall of the outer shielding shell and is used for fastening the conductive terminal to the matching terminal. According to the utility model, the connector is simple in structure and small in size, the miniaturization of the connector can be realized, and the functions of waterproof sealing, electromagnetic shielding, high-voltage interlocking, finger protection and the like can be realized at the same time.

The utility model relates to a grounding wire clamp which comprises a grounding ring and a wire clamp body. One side of the grounding ring is provided with a rod part connected with the wire clamp body, two sides of the grounding ring are fixedly provided with insulating sleeves, and a polished rod used for grounding is reserved between the insulating sleeves. Sliding grooves are formed in the insulating sleeves on the two sides of the polished rod, insulating sliding sleeves are slidably connected into the sliding grooves, springs are installed between the insulating sliding sleeves and the bottoms of the sliding grooves, and the springs have elastic force for pushing the insulating sliding sleeves out of the sliding grooves. The insulating sliding sleeves with the spring mechanisms are arranged on the two sides of the grounding ring, so that the grounding polish rod is effectively protected. When the polish rod is not used, the insulation sliding sleeve automatically slides out to completely wrap the polish rod, the polish rod is prevented from being exposed, the electric shock danger caused by mistaken touch of personnel is avoided, meanwhile, the risk that the polish rod is affected with damp or corroded is reduced, and safety is improved. When grounding operation needs to be carried out, a user can enable the insulation sliding sleeve to retract through simple actions, only a small part of the polished rod used for connection is exposed, the effectiveness of grounding is guaranteed, and the use safety is improved at the same time.

The invention provides a flame-retardant cable, and belongs to the technical field of cables, the flame-retardant cable comprises a limiting fixing body, the limiting fixing body comprises a supporting ring provided with a limiting clamping head, the limiting clamping head corresponds to a wire core and is clamped on the exposed wire core, and the wire core and the limiting clamping head are in a loose state during initial limiting; the tightening head automatically tightens the limiting clamping head in the connecting process of the first connector or the second connector so that the limiting clamping head and the corresponding wire core can be in a tightly-limited fixed state, and meanwhile the supporting ring is limited in the reverse direction. According to the flame-retardant cable, the exposed part of the wire core is limited and fixed by the limiting and fixing body, the exposed part and the unexposed part of the wire core are fully kept in a linear state, and meanwhile, the strength of the cable connecting part and the stability and reliability of connection are effectively improved by pressing and fixing the connecting part through the pressing head; the service life of the cable is prolonged; and the use stability and reliability are improved.

A lead assembly includes first and second feeder cables and multiple drop lines. The feeder cables each has a first or second diameter and a first or second polarity. Each of the feeder cables contains two or more joints. Each joint electrically couples one or more drop lines to the first or second feeder cable at a nexus. Each drop line has a diameter that is less than the first diameter and less than the second diameter. Each drop line coupled to the first feeder cable is configured to be electrically connected to a wire harness configured to electrically connect to an array of solar panels. Two or more of the droplines that are connected to the first feeder cable each includes an in line fuse disposed between the joint and the wire harness. Each joint has a mold enclosure configured to enclose at least a portion of the nexus.

The present invention discloses a connector and a connector assembly. The connector comprises: a housing (1); a conductive terminal (2) provided in the housing (1); an electrical power transmission component (3) inserted into the housing (1) and welded to the conductive terminal (2); a fastening assembly (4) for fastening the conductive terminal (2) to a mating terminal of a mating connector; an insulating support (5) installed in the housing (1) for holding the conductive terminal (2); and a temperature measuring device (6) installed on the insulating support (5).The conductive terminal (2) and the electrical power transmission component (3) have welded parts that are welded together, and the temperature measuring device (6) is in thermal contact with the welded part of the conductive terminal (2) and / or the electrical power transmission component (3) to detect the temperature of the welded part. In the present invention, the temperature measuring device is in direct thermal contact with the welded part of the electrical power transmission component and / or the conductive terminal, thus enabling early and accurate detection of the temperature of the connector.

To reduce the workload involved in attaching connection terminals to electric wires and cables.SOLUTION: An insulating cap 4 is a cylindrical cap that covers the area from a connection tube portion 32 of a connection terminal 3 attached to the connection end of an electric wire / cable 2 having a conductor 21 covered with a covering layer 22 to the covering layer 22 of the electric wire / cable 2, and includes a protrusion 44 that is pressed against the covering layer 22 on the inside of the end portion 402 on the covering layer side. The protrusion may be in the form of a projection or a convex stripe, and the axial arrangement can be adjusted as appropriate. It may also be a divided convex stripe.SELECTED DRAWING: Figure 1

The connection device for connecting two electric units, including a case in which are arranged: an electric wire to be linked to the first unit and including a conductive core encircled by an insulating sheath and a conductive tab to be linked to the second unit and secured with the stripped end of the conductive core, all of which being immersed in a sealing material filling the case and bonded to the insulating sheath, the device including an intermediate envelope partially coating the insulating sheath, so that it is in contact with the sealing material only over a reduced portion, where the intermediate envelope is in sliding contact with the sealing material and / or the insulating sheath.

A lead assembly includes a feeder cable, a drop line cable with first and second drop lines, and one or more mold structures disposed about and enclosing a region of electrical interconnection between the feeder cable and the drop line cable. The first drop line terminates at a first drop line connector configured for detachable connection to a wire harness having multiple branches that are each configured to receive electrical power generated by a corresponding PV panel. The second drop line terminates at a second drop line connector. The mold structure(s) are disposed about and enclose a region of electrical interconnection between the feeder cable and the drop line cable. In the region of electrical interconnection, at least a portion of the drop line cable extends along a longitudinal axis that is parallel to a longitudinal axis of at least a portion of the feeder cable.