101 results about "Multicore cable" patented technology

A distributed composite geotechnical sensor disclosed by the present invention comprises a multi-core cable, an optical fiber sensing member, at least two composite sensing members and a plurality of connectors, the multi-core cable is used for transmitting charge signals, and the optical fiber sensing member and the multi-core cable are arranged in parallel and at an interval and are used for monitoring temperature and stress. The at least two composite sensing pieces are sequentially arranged at intervals along the length direction of the optical fiber sensing piece, are arranged in the same core with the optical fiber sensing piece and are used for monitoring dynamic stress waves or vibration, and the plurality of connecting bodies are respectively arranged at two ends of the composite sensing pieces and are connected with the multi-core cable, the optical fiber sensing piece and the composite sensing pieces. The electric connector is used for electrically connecting the multi-core cable with the composite sensing piece. According to the invention, the problems of relatively single monitoring index and incapability of positioning due to the fact that a traditional piezoelectric geotechnical cable can only monitor external disturbance information and cannot realize distributed monitoring can be effectively solved.

The invention relates to the field of cable processing, and particularly discloses a multi-core cable winding production machine which comprises a processing box and a mounting plate, a through groove is formed in the processing box in a penetrating mode, and a wrapping mechanism is arranged on the mounting plate; the processing mechanism comprises a limiting ring arranged on the inner wall of the through groove, the inner wall of the limiting ring is fixedly connected with a processing cylinder allowing a stranded cable to pass through, the processing cylinder is internally provided with a first annular cavity, an air pump is installed on the rear side of the processing box, and the air outlet end of the air pump communicates with the first annular cavity; the outer side of the processing cylinder is fixedly connected with a rotatable rotating ring, and the side, close to the cable inlet side, of the rotating ring is fixedly connected with a sealing plate. The production machine is used for removing the talcum powder after the multi-core cable is twisted, and when the talcum powder is removed, the talcum powder in the gaps of the twisted cable can be removed in a targeted manner, the talcum powder cannot be removed from the whole surface of the twisted cable, and the subsequent wrapping operation is not influenced on the basis of ensuring the removing effect.

A processing apparatus 200 for a multicore cable 1 processes the multicore cable 1 including a sheath 2 and cores 3 and 4 inserted in the sheath 2, and includes: a slitter 21 that makes a slit along a circumferential direction; a puller 22 that moves at least one of a distal portion of the sheath 2 and a proximal portion of the sheath 2 in a longitudinal direction of the multicore cable 1 to thereby expose the core wires 3 and 4, the distal portion being closer to a distal end of the multicore cable 1 than the slit, the proximal portion being closer to a proximal end of the multicore cable 1 than the slit; a detector 31 that detects a position of a specific core 3 of the cores 3 and 4 in a circumferential direction of the multicore cable 1; and a rotator 32a that rotates the multicore cable 1 based on the detected position of the specific core 3 in the circumferential direction to thereby move the specific core 3 to a predetermined position in the circumferential direction.

An elevator system has an elevator controller system to control movement of an elevator car between a predetermined number of floors of a building, and an elevator operating panel communicatively coupled via a multicore cable to the elevator controller system. The elevator operating panel includes at least one push-button having an open state and a closed state, wherein the push-button is configured to close in the closed state a wire loop of the multicore cable, and wherein the push-button is configured to be in the closed state when a user presses the push-button to enter an elevator call. In addition, the elevator system includes an ancillary operating panel arranged next to the elevator operating panel and having a proximity sensor for touchless entry of an elevator call.

This utility model relates to a processing and cutting device for multi-core cables, comprising a housing and a fixed frame installed inside the rear side of the housing. A spring is connected inside the fixed frame, and a slider is connected to the bottom of the spring. The slider is slidably connected to the fixed frame, and a connecting rod is rotatably connected to the bottom of the slider. A rotating plate is rotatably connected to the end of the connecting rod away from the slider. Limiting rods are connected to the left and right sides inside the housing. A trapezoidal plate is connected to the bottom of the rotating plate, and connecting cylinders are connected to the left and right sides of the bottom of the trapezoidal plate. This utility model achieves channel switching between two collection frames by precisely coordinating the trapezoidal plate, connecting cylinders, ball bearings, a turntable, protrusions, and limiting rods. When one collection frame is nearly full, the device automatically guides the waste material to the other side, ensuring smooth and uninterrupted switching. This avoids waste spillage and downtime losses during frame changes, making waste collection efficient and continuous, reducing labor costs, ensuring continuous and stable operation of the multi-core cable processing and cutting process, and improving production rhythm and operational standardization.

The application discloses a multi-core cable plug-in core connector based on a smart grid, relates to the technical field of plug-in core connectors, and comprises a connector socket and a connector plug, further comprises: a needle seat and a plug-in needle, which are respectively arranged in the connector socket and the connector plug; a plug-in mechanism arranged at the end of the needle seat is used for switching different conductive contact surfaces by one-way rotation when the needle seat and the plug-in needle are plugged in each time; plug-in columns are respectively fixed on the end faces of the plug-in needle, and the end of the plug-in column close to the needle seat is provided with a conical surface structure; the plug-in mechanism comprises movable columns arranged at the end of the needle seat at equal angles, and the end of the movable column is provided with an inclined curved surface structure matched with the conical surface of the plug-in column; when the plug-in mechanism is plugged in, if poor contact occurs, the different horizontal curved surfaces of the conductive column can be switched to contact and conduct electricity with the plug-in column.

The invention discloses an underground formation current injection electrode. The electrode comprises an upper connecting assembly, an electrode body, a lower connecting assembly, an upper multi-core cable and a lower multi-core cable, the upper multi-core cable penetrates through a plurality of mutually isolated holes in the upper connecting assembly, and the lower multi-core cable penetrates through a plurality of mutually isolated holes in the lower connecting assembly; the upper multi-core cable penetrates through a wire passing space arranged in the electrode body and is connected with the lower multi-core cable; the upper multi-core cable comprises a plurality of upper cable leads, and at least one upper cable lead is conducted with the electrode body; and the wire passing space is filled with an insulating medium. The electrode disclosed by the invention is simple in structure, convenient to construct, good in insulativity and high in safety and feasibility.

This invention provides a method for manufacturing a multi-core cable that allows multiple wires to be connected to a connecting member simultaneously, such as when the diameters of multiple wires are not uniform. [Solution] Each of the multiple electric wires 11 and 12 includes a conductor, a covering that covers the conductor, and exposed portions E1 and E2 where the conductor is exposed when the covering is removed. The connecting member includes a substrate, and the first surface of the substrate 21 is provided with multiple terminals 23 corresponding to each of the multiple electric wires. When the substrate is placed on a horizontal surface with the first surface facing upward, the height of the tops of the exposed portions placed on the corresponding terminals is not uniform. The manufacturing method includes a placement step of placing the exposed portions and solder 30 on the multiple terminals, and a connection step of connecting the multiple terminals and the exposed portions of the multiple electric wires corresponding to the multiple terminals all at once by pressing a flexible member 40 against the exposed portions and pressing toward the substrate, while heating the conductors using a non-contact method to melt the solder and solder them.

A drain wire separation apparatus 10 comprises: a holding member 21 that holds a multicore cable 1 so as to be located on an axis 20a extending in an F-Rr direction; a separating member 61 which comprises a drain wire introduction part 61a into which a drain wire 2 can be introduced and which is provided at one position in an L-R direction orthogonal to the F-Rr direction; a first movement device 66 that moves the separating member 61 in a U-D direction; a first detection device 50 that detects the position of the drain wire 2 with respect to the L-R direction; a second movement device 64 that moves the separating member 61 in the L-R direction; and a control device 100. The control device 100 causes the first detection device 50 to detect the position of the drain wire 2 in the L-R direction, controls the second movement device 64 on the basis of the detected position of the drain wire 2, and causes the position of the drain wire introduction part 61a in the L-R direction and the position of the drain wire 2 in the L-R direction to coincide with each other.

This invention provides a cable arranging clamp capable of suppressing the shallowing of the slot due to wear and increasing the detection voltage, as well as an inspection method for multi-core cables. The cable arranging clamp arranges multiple cables included in a multi-core cable. The cable arranging clamp includes a slot forming portion. The slot forming portion includes a support member made of an insulator and multiple metal members spaced apart on the surface of the support member. The slot is formed by the support member and two adjacent metal members. Adjacent metal members are electrically insulated in the width direction of the slot.

The invention relates to an electrical contact element for stripping-free connection to a cable with an insulating sheath, in which at least one electrical conductor is arranged within the insulating sheath. The invention further relates to an electrical connector with at least one such electrical contact element and an electrical system comprising an electrical connector and a multi-pole cable with an insulating sheath.

The invention discloses a mining machinery multi-core cable convenient to bend and lay, which comprises a plurality of wire core groups and an outer sheath arranged outside the plurality of wire core groups, each wire core group comprises a power wire core, a control wire core and a signal wire core, and each wire core group comprises a conductor and an insulating layer wrapping the conductor; the cable also comprises an elastic buffer unit array structure, and the elastic buffer unit array structure is arranged between the wire core group and the outer sheath. According to the invention, the bending stress is effectively absorbed and dispersed through the elastic buffer unit array structure, the bending rigidity of the cable is remarkably reduced, and the bending fatigue resistance of the cable is greatly improved; signal interference is avoided through an asymmetric clover-shaped electromagnetic isolation and counterweight structure, and the cable balance is optimized; through an anchoring structure of the tensile woven mesh and the sheath, relative displacement between the outer sheath and the internal elastic buffer unit array structure is prevented.

To provide a manufacturing method and a manufacturing device of a multi-core cable assembly, and a stranding machine, which do not increase difficulty of connection work between an electrode of a substrate and a core wire of an insulated wire due to a bending habit of the insulated wire caused by untwisting, even when an extra fine insulated wire is used.SOLUTION: The method of manufacturing the multi-core cable assembly 1 includes a stripping step of exposing the core wire 31 at one end of the plurality of insulated wires 3, a connecting step of connecting the core wire 31 to the electrode 20 of the substrate 2, and a stranding step of helically stranding the plurality of insulated wires 3. The stranding machine 4 includes the rotating body 400 in which the plurality of suction pipes 44 are arranged, the plurality of cores 43 fixed to the other end portions of the plurality of insulated wires 3, respectively, and the pump 47 that the plurality of cores 43 arranged in the plurality of suction pipes 44, respectively, and rotates the rotating body 400 while sucking the plurality of cores 43 in the plurality of suction pipes 44 by the pump 47.SELECTED DRAWING: Figure 3

A multicore cable includes a holding body compose of a first tubular portion and a second tubular portion connected by a connecting portion in such a manner that the first tubular portion and the second tubular portion are parallel to each other, a plurality of first insulated wires held by the first tubular portion, and a plurality of second insulated wires held by the second tubular portion, wherein the connecting portion includes a plurality of connecting pieces arranged along a longitudinal direction of the first tubular portion and the second tubular portion, and wherein each of the plurality of connecting pieces is interposed between the first tubular portion and the second tubular portion to connect the first tubular portion and the second tubular portion.

The utility model discloses a cable test system, which comprises a test tool, a routing line instrument and a tested cable which are connected in sequence, and is characterized in that the routing line instrument is used for forming a line configuration scheme according to timing information and the number of cable cores and controlling the on and off of the instrument according to the line configuration scheme; therefore, when the instrument is conducted, the test tool carries out corresponding tests on the tested cable. According to the utility model, the multi-core cable test time can be reduced.

The utility model relates to a cable on-off universal detection device. The cable on-off universal detection device comprises a device shell, a PLC control panel, a standard connector, a device main switch, a display screen and a core wire definition and control button. A PLC controller, a multi-way switch module and a resistance acquisition module are arranged on the PLC control panel, the PLC controller is connected with two rows of core wire definition and control buttons positioned on the panel, the core wire definition and control buttons comprise a plurality of digital buttons, a confirmation button, a return button, a start button, a stop button and a reset button, and the number of the digital buttons is more than one. The definition module is used for defining corresponding relations of core wires at two ends of the multi-core cable; the multi-way switch module is used for realizing switching of multiple groups of measuring channels, the resistance acquisition module is used for measuring a resistance value, and the PLC is used for completing data processing and displaying a result on the display screen through the communication module. According to the utility model, the due on-off relationship of the core wires at the two ends of the multi-core cable can be self-defined, and the problems of long time consumption, low efficiency and the like of multi-core cable on-off detection are solved.

The invention discloses a stripping device for cable recovery processing, and particularly relates to the technical field of cable stripping, the stripping device comprises an operation table, a conveying mechanism used for feeding and a guide assembly used for limiting, and a cable body to be stripped is jointly placed in the conveying mechanism and the guide assembly; a stripping mechanism for stripping a cable body is arranged in the middle of the operation table, rubber obtained after stripping of the cable body can be guided to the two sides through an internal structure of the stripping mechanism, and two segmenting mechanisms for segmenting the rubber obtained after stripping of the cable body are further arranged on the front side of the middle of the operation table. And the rear part of the operation table is also provided with a winding assembly for winding the inner core of the peeled cable body. According to the stripping device for cable recovery processing, a multi-core cable is kept in a parallel stretching state in the conveying process through the arranged limiting assembly, mutual winding is avoided, smooth proceeding of subsequent procedures such as winding and sorting is guaranteed, and the manual intervention cost is reduced.

The utility model discloses an automatic termination lifting device for a pore-forming quality detection probe. The automatic termination lifting device comprises a movable joint, a multi-core cable and a controller, the movable connector comprises a connector shell, a conductive probe, a pin, a first insulator and a second insulator, the first insulator and the second insulator are installed on the inner wall of the connector shell, the conductive probe is installed on the first insulator, one end of the multi-core cable penetrates through the top of the connector shell to be installed on the first insulator, and the other end of the multi-core cable is installed on the second insulator. The pins are installed on the second insulator, and the two ends of the pins in the length direction protrude out of the second insulator. The conductive probes and the pins are electrically connected with the multi-core cable. The controller comprises a shell, and a lowering circuit, a lifting circuit and a driving circuit which are arranged in the shell, and the lowering circuit, the lifting circuit and the driving circuit are electrically connected with the multi-core cable. According to the utility model, the damage to the probe and the cable caused by excessive tension due to untimely termination of lifting of the probe can be avoided, two hands of detection personnel are liberated, and the time utilization rate is improved.

A multicore cable includes a core in which multiple electrical wires are twisted together, a release layer covering the core, and a jacket covering the release layer. A lay length for the multiple electrical wires is greater than or equal to 21 times and less than or equal to 28 times a long dimension of the core, and the release layer is fixed to the jacket.

An emergency wire cutter to prevent inter-core short circuits includes pliers with two jaws, each with a cutting section. Each cutting section includes a mounting block fixedly connected to the jaws, a slot on the mounting block, and multiple cutting blades stacked within the slot. The cutting blades have a triangular shape at one end outside the slot and an insulating portion outside the cutting blades. An end cap is located at one end of the slot, connected to the mounting block by screws, and the end cap presses the multiple cutting blades firmly within the slot. This invention addresses the problem of short circuits caused by existing wire cutters when cutting live multi-core cables.

The multi-core cable core wire has: a conductor having multiple wires stranded together; a first insulating film covering the outer periphery of the conductor, comprising a polyethylene resin; and a second insulating film disposed in contact with the outer periphery of the first insulating film, comprising a copolymer of ethylene and an α-olefin having a carbonyl group.

The invention discloses an insulation test method and an insulation test expansion device for a multi-core cable, the insulation test expansion device comprises a test voltage input end, a channel switching module and a tested terminal wiring module which are connected in sequence, and the test voltage input end is used for connecting a megger; the insulation test method comprises the following steps: controlling a channel switching module to conduct a test voltage input end and a tested terminal wiring module, so that a first wire core in a multi-core cable is conducted with a line end of a megohm meter, and other wire cores in the multi-core cable are conducted with a ground end of the megohm meter; acquiring a first output voltage and a first output current corresponding to the first wire core when the megger rotates, and calculating to obtain a first insulation resistance corresponding to the first wire core; when the first insulation resistance represents that insulation is unqualified, first processing operation is executed; when the first insulation resistance represents that insulation is qualified, second processing operation is executed; according to the insulation test method, the insulation test work of the multi-core cable can be rapidly completed by using the megger, and the test efficiency is effectively improved.

This invention provides a digital pH sensor, belonging to the field of digital pH sensor technology. It includes a secondary instrument host, with a display screen embedded in one outer wall and a multi-core cable extending from the other outer wall. A digital pH sensor is mounted at one end of the multi-core cable. A detection port is located at the center of the end of the digital pH sensor furthest from the multi-core cable. A boss is located at the center of the inner wall of one side of the detection port. A detection head is mounted on the side of the boss furthest from the multi-core cable. A circulation channel is formed between the interior of the detection port and the outer periphery of the boss. This invention utilizes the speed of the reciprocating motion of a ring piston and the resulting pumping force to control the flow velocity of water outside the detection head, ensuring the water flow is within an optimal range and flows upwards, facilitating bubble removal and uniformity, and guaranteeing the accuracy of the detection data.

The utility model belongs to the technical field of bulk drug project industrial control systems, and particularly relates to a bulk drug project control system arrangement structure. According to the utility model, through reasonable arrangement of the client device in the control room, the control cabinet in the cabinet room and the on-site electronic wiring box and cooperation of optical fiber and cable connection, the overall structure of the system is compact, the arrangement is convenient, the maintenance is convenient, the arrangement cost of the system can be effectively saved, and the construction period is shortened; according to the utility model, the wiring boxes are dispersedly arranged beside the field equipment, so that an I / O signal intermediate wiring cabinet is omitted, and the space requirement between cabinets can be greatly reduced; meanwhile, the number of multi-core cables and bridges in a control room, a cabinet and a field can be reduced, and the material cost of cable laying and the construction engineering cost are greatly saved; according to the utility model, the standard modularized on-site electronic wiring box is adopted, so that on-site wiring is convenient, the equipment debugging time can be greatly shortened, and the project progress is accelerated.

A stripping tool (1) for removing an outer sheath (2) and / or a conductor insulation (3) of a single- or multi-core electrical cable (4), wherein the stripping tool (1) has hollow body shells (7, 8) connected to one another by means of a common pivot axis (5, 6), which are pivotable towards each other to form a hollow body (9) that at least partially receives a cable (4), wherein the hollow body shells (7, 8) have at least one cutting element (10, 21), characterized in that the stripping tool (1) has at least two hollow body sections (12, 13) arranged at an angle (a) between 90° and 170° to each other, wherein at least a first hollow body section (12) has two hollow body shells (7, 8) pivotable relative to each other, of which at least one hollow body shell (7, 8) can be pivoted without displacing a second hollow body section (13). is,wherein a cutting element (10) is arranged in the hollow body (9) at the first hollow body section (12), wherein the hollow body (9) has a first end-face opening (16) in the area of ​​the cutting element (10) through which a cable (4) to be stripped can be passed.

Propagation delays that can occur in and between the conductors of multi-core cables, with or without connectors, with or without typical transmitting and receiving components, due to and with different constructions and configurations on and between individual lines, conductors, conductor pairs, or conductor groups, often only exhibit propagation delays in the low picosecond range and are therefore difficult to measure. Consequently, errors in very fast data transmission often go undetected, and their cause remains unclear. By simultaneously injecting a high-frequency digital signal with a frequency f1 as a measurement signal onto all conductors or conductor pairs, so that this measurement signal travels in parallel through all conductors of the cable to the cable end, and all measurement signals are sampled at the injection point near the cable entry and after passing through the cable at the cable end on each conductor or conductor pair at the exact same time with a frequency f2 = f1+df, digital, very low-frequency signals of frequency df are generated. The phase relationships of these signals correspond to the phase relationships of the high-frequency measurement signal at different locations. This allows even small propagation delay differences in the picosecond range and below to be measured and their causes often only then identified. This allows comparative measurements of the signal transmission characteristics of cables for RJ connectors, RJ45, (modular connectors), USB, IO-Link, SPE, LAN, Ethernet, DVI, HDMI, Sub-D, BNC, IEC bus, pin headers for device-specific internal connections, including those of other technologies and cable types.

The utility model relates to the technical field of metering instrument maintenance, especially to a multi -core cable alignment tool. The multi -core cable alignment tool includes carrier circuit board and tool shell, and power module, detection module and processor module are integrated on the circuit board. The power module is independently separated and arranged, respectively supplies power for the processor module and detection module, realizes electrical isolation to improve safety; the detection module supports batch wiring through the multi -end input port, cooperates the logic control of processor module, and the display module directly shows the wire serial number, and the prompt module realizes sound and light feedback through the buzzer and indicator light, the storage module supports historical data call, and the input module adopts composite key to realize reset, brightness adjustment and other functions. The tool solves the problem of low efficiency and easy error of traditional manual alignment, realizes single person once wiring batch calibration, has short -circuit detection and data storage functions, improves the efficiency and accuracy of cable alignment, reduces cable loss and cost.

The utility model provides a layered wiring terminal for multicore cable belongs to the technical field of wiring terminal, including wiring terminal subassembly, wiring terminal subassembly includes mounting panel, the mounting panel top four corners all set up mounting hole, the mounting panel top center place is fixed with wiring terminal body, the front and back of wiring terminal body all set up wiring groove. The utility model discloses through the setting of clamping component, cooperation groove fixed base and groove clamping plate use, can dislocation to cable wire material and carry out clamping, prevent cable wire material and easily appear to fall off, also can to the cable wire material of different diameter and carry out dislocation clamping, cooperation bearing seat, threaded rod, knob, threaded block, lifting plate and lifting column use, can drive moving plate and groove clamping plate lifting movement, make groove clamping plate can through groove fixed base and carry out clamping to cable wire material, can guarantee electrical equipment normal operation.