43results about How to "Avoid rewiring" patented technology

The invention discloses a power-grid-based power strip control system and a power-grid-based power strip control method. The system comprises a mobile terminal, a global system for mobile communication (GSM) wireless communication module, a master control unit, slave control units and power strip state detection control circuits, wherein the mobile terminal is used for transmitting operation instructions to the master control unit in a short message form; the GSM wireless communication module is used for receiving the operation instructions transmitted by the mobile terminal in the short message form, and transmitting the operation instructions to the master control unit; the master control unit is used for determining slave control units to be controlled by the instructions according to the operation instructions in the short message form, and transmitting the operation instructions to the slave control units through power lines; the slave control units are used for receiving the instructions transmitted through the power lines, and driving the power strip state detection control circuits to control power strip switches to be turned on or turned off; and the power strip state detection control circuits are used for detecting and controlling the turning-on or turning-off states of the power strip switches. Power carrier communication modules are used as the master control unit and the slave control units, and communicate through the power lines to form a local area network to realize intelligent control over power strips used by each electrical appliance in a family space.

The invention discloses a low-cost single-internet-access LTE routing device and a control method. The low-cost single-internet-access LTE routing device comprises an ODU digital microwave outdoor unit and an IDU digital microwave indoor unit. The ODU digital microwave outdoor unit is composed of an LTE module, a first antenna unit, a POE power module, a first DC-DC chip, a PHY network card chip, a single-internet-access transformer and a first RJ45 network interface. The IDU digital microwave indoor unit is composed of a WIFI module, a second antenna unit, a PSE module, a second DC-DC chip, a DC plug, an internet access transformer and a second RJ45 network interface. The ODU digital microwave outdoor unit is connected with the IDU digital microwave indoor unit through an ordinary cable, then good outdoor 4G LTE signals can be led into a room to cooperate with the IDU digital microwave indoor unit to form a WIFT hot point, rewiring is avoided, and the use stability and reliability are ensured.

The invention provides an embedded type IP-PBX system which can automatic collocate terminal equipment. The system has characteristic in that the system includes: a main control module, a media gateway module, a network module, a memory module, a signal control module, an electrical source module and a serial communication module. The invention also provides a communication method based on the embedded type IP-PBX system. The invention has advantages that: a terminal node equipment connecting with the IP-PBX system through network, compatible with traditional PSTN signal, supporting a plurality of communication protocols and a plurality of speech codec methods, realizing conversion of a plurality of codec methods, convenient management method and flexible configuration, providing rich extended function, high-reliability and low-cost design, using hardware platform of embedded type processor with low power consumption and reducing hardware cost greatly.

The invention relates to a photoelectricity integrated mixed cable for an access network. The mixed cable comprises a feeder line (2), a central reinforcing piece (3), an optical fiber (4), a filling rope (6), an isolation strip (7) and an outer protective sleeve (9). The cross section of the outer protective sleeve (9) is in a ring shape. The isolation strip (7) is arranged in the outer protective sleeve (9). At least one feeder line (2), the central reinforcing piece (3), at least one filling rope (6) and at least one optical fiber (4) are arranged in the isolation strip (7). The central reinforcing piece (3) is placed in the center of the outer protective sleeve (9). The feeder line (2), the filling rope (6) and the optical fiber (4) are evenly distributed in a sealed space formed by the central reinforcing piece (3) and the isolation strip (7). A composite belt (8) is arranged between the isolation strip (7) and the outer protective sleeve (9). The photoelectricity integrated mixed cable has the advantages that the optical fiber, a power transmission copper wire and a copper signal wire pair are integrated, the problems of broadband access, equipment power utilization, emergency signal transmission and the like can be solved at the same time, size is small, cost is low, intensity is high, and construction is convenient.

The invention discloses a mining explosion-proof latch with a low voltage. The latch comprises a male inserted rod, a male inserted rod insulating base, a mother rod base, a mother rod base insulating base and an explosion-proof outer sleeve. The male inserted rod is arranged on the male inserted rod insulating base; and the mother rod base is arranged in the mother rod base insulating base. One end of the male inserted rod extruded outside the male inserted rod insulating base and is plugged with one end of the mother rod base; and the other ends of the male inserted rod and the mother rod base are used as terminals; and besides, the explosion-proof outer sleeve enables the male inserted rod insulating base and the mother rod base insulating base to be encompassed inside it. According to the invention, the mining explosion-proof latch with a low voltage is mainly used a cable introduction apparatus of a mining explosion-proof vulcanizer with an electric heating type; and problems of water leakage, electric leakage and production of spark during the using process of a current mining explosion-proof vulcanizer with an electric heating type and a wiring speed is slow are solved; besides, the provided mining explosion-proof latch has advantages of fast wiring speed, easy disassembly, good explosion-proof performance, and safe and reliable working performances.

The invention discloses a multifunctional modem available for security protection. The modem comprises a network camera, a data wire, an encoding and decoding module, a central processor, a wireless module, a filter and a power module, wherein the data wire can be electrified and simultaneously transmit data; a signal collected by the camera is transmitted to the encoding and decoding module via the data wire and then transmitted to the central processor; the central processor is electrically connected with the filter; the filter is electrically connected with the power module; and the wireless module and the central processor are in two-way communication. A monitoring device is accessed into the modem, and a monitoring signal is transmitted to a monitoring center by the modem, thus, rewiring is avoided, and transmission is carried out by a network of the modem. Therefore, the multifunctional modem fulfills the purposes of being easy to install and saving costs.

The invention discloses a coal mine broadcast communication system based on a message server and an SIP (session initiation protocol). The system comprises an overground part and an underground part, wherein the overground part comprises a ground management machine, a UPS (uninterruptible power supply), photoelectric converters and a mine intrinsic safety type interchanger I, and the USP is connected with the ground management machine and a system server which are connected with the mine intrinsic safety type interchanger I through the photoelectric converters respectively; the underground part comprises a plurality of broadcasting systems and a mine intrinsic safety type interchanger II; the mine intrinsic safety type interchanger II is connected with the mine intrinsic safety type interchanger I of the overground part; and each broadcasting system comprises a mine intrinsic safety type broadcast communication host and a mine intrinsic safety type loudspeaker box, and the mine intrinsic safety type broadcast communication host is connected with the mine intrinsic safety type interchanger II and the mine intrinsic safety type loudspeaker box. Standard internet phones and message protocols are adopted, the internet utilization rate is high, fewer internet resources are occupied, and the effect and the quality of internet products are guaranteed.

The invention relates to a voltage transformer automatic wiring device used for performing primary wiring and secondary wiring on a voltage transformer to be calibrated on a production line, and the device includes a robot located on a side face of the production line and used for performing precise recognition on the position of the voltage transformer and realizing primary wiring and secondary wiring of the voltage transformer; a clamp module mounted on the production line, connected with a test line and the voltage transformer during wiring and used for serving as an intermediate connecting device of the test line and the voltage transformer to improve wiring efficiency; and a controller connected with the robot and used for providing a wiring scheme for the robot and controlling an operation path of the robot. Compared with the prior art, the voltage transformer automatic wiring device has the advantages of accurate wiring, high degree of automation, cost saving and the like.

The invention relates to an intelligent garage system based on RFID (Radio Frequency Identification) and a power line carrier technology. The intelligent garage system comprises a private car, an intelligent electric roller shutter door and a home service center server, wherein the private car is provided with an active RFID label; the intelligent electric roller shutter door consists of an electric roller shutter door, an RFID reader module, an information storage module, an LED (Light Emitting Diode) display module, a power line carrier communication module a and an embedded processor module; the home service center server is provided with a desktop computer, a display and a power line carrier communication module b; the RFID reader finishes information acquisition under the control of an embedded processor and sends the information through the power line carrier communication modules a and b. The intelligent garage system disclosed by the invention has the beneficial effects that a garage can be automatically opened and closed in a longer distance, and the problems of packet loss, data delay and the like in the previous transmission process are overcome; the preparation cost is low, expansion and later-stage deployment can be easily implemented, and the intelligent garage system can be seamlessly fused into an intelligent household system; the whole intelligent garage system is simple in formation and reliable to run.

The invention relates to the technical field of wires and cables, in particular to an optical fiber composite aerial insulated cable and a power transmission system. The optical fiber composite aerialinsulated cable comprises an optical fiber unit tube, a hard aluminum wire core, conductive wire layers, a conductor shielding layer, an insulating layer and an insulating shielding layer. The optical fiber unit tube and the hard aluminum wire core are positioned in the stranded conductive wire layers. Compared with the prior art, the optical fiber composite aerial insulated cable and the power transmission system have the advantages that an optical fiber communication function and an electric power transmission function are fused in the optical fiber composite aerial insulated cable with thesetting, accordingly, data can be transmitted by the optical fiber composite aerial insulated cable in a high-reliability manner as compared with a transmission cable with a single function, and connection can be facilitated as compared with the transmission cable with the single function; temperature, stress and load capacity information of various locations of power transmission line networks can be monitored by the power transmission system with the optical fiber composite aerial insulated cable in real time, accordingly, manual inspection can be omitted, real-time information can be obtained by the aid of wire network data transmitted by the optical fiber composite aerial insulated cable of the power transmission system and Brillouin optical time-domain analyzers by means of analysis,and the like.

The invention belongs to the technical field of airborne equipment testing, and particularly relates to a power line audio conduction sensitivity testing mode switching device for airborne equipment. In the embodiment of the invention, the device is provided with a power supply switching switch S1, a capacitor switching switch S2 and a mode switching switch S3, so that rewiring during switching among different testing modes is avoided; the testing time is saved; the workload is lowered; and the equipment loss is reduced. Moreover, a test circuit is arranged in a control box, so that the electric shock hazard caused by a naked circuit terminal is avoided.

The invention discloses a photoelectric composite cable. The photoelectric composite cable comprises a cable core (1) and an outer protection sleeve (2) coating the cable core (1), the cable core (1) comprises a binding layer (3), an optical fiber unit (4), signal line copper conductors (5), power supply copper conductors (6) and a central reinforcer (7) are arranged inside the binding layer (3), protruding grains (11) are arranged on the periphery of the protection sleeve (2), and the cross section of the protruding grains (11) is square. The photoelectric composite cable has the advantages that the protruding grains are arranged on the surface of the optical cable, the friction between the optical cable and a mounting pipe is reduced, and mounting speed is obviously improved; a power supply line and a signal line are arranged in the photoelectric composite cable, the problems of equipment broadband access, equipment power utilization and signal transmission are simultaneously solved, and repeated wiring is avoided.

The invention discloses a household electronic management system. The household electronic management system comprises a household electrical system and a control system. Data signal transmission between the household electrical system and the control system is realized through wireless Bluetooth. The household electrical system comprises a light system, a ventilation system, a cooling and heating system, an audio frequency system and a life area system. The control system comprises a network host control system, a wireless gateway control system, a liquid crystal touch control panel and a touch control panel. By adopting the household electronic management system, according to what he needs, a control person can select an operating control mode suitable for him to operate a control end; the signal and data are transmitted to the household electrical system through the wireless Bluetooth; relative systems of the household electrical system are opened and closed; and the purpose of the control person is realized.

The invention discloses a wiring system for a printed circuit board. The wiring system comprises an input module, an executing module, a circuit board wiring module and a marking module, wherein the input module is used for generating a corresponding operating command in response to the operation of a user to generate an executing command and a wiring command; the executing module is used for executing a circuit board diagram file in response to the executing command to display a circuit board diagram in a working window; the circuit board diagram is used for providing information needed by wiring; the circuit board wiring module is used for designing a plurality of first wires in response to the wiring command according to the wiring information; the input module is further used for generating a marking command in response to the operating command generated according to the operation of the user; and the marking module is used for setting a circuit symbol on a first wire which can be connected with a second wire in response to the marking command. The invention further provides a wiring method for the printed circuit board.

The invention discloses a wireless temperature portable acquisition terminal and a temperature monitoring system for an internal combustion locomotive in a servicing yard. The temperature monitoring system is characterized by mainly comprising the wireless temperature portable acquisition terminal, a wireless data receiving terminal, a TCP / IP converter, a data cloud platform and a monitoring and early warning upper computer; the temperature acquisition terminal adopts a magnetic type temperature sensor and ZigBee wireless transmission to realize data off-vehicle; the receiving terminal is connected with the TCP / IP converter to access the data to a local area network; the upper computer is in data interconnection with the cloud platform; the field server receives data and performs temperature compensation, real-time display, data storage and the like; the mobile terminal can also perform remote monitoring. The designed temperature monitoring system replaces original manual operation, the problems that a traditional monitoring system is difficult in wiring and insufficient in flexibility are solved, heat transfer loss is modeled in the upper computer, the temperature monitoring precision is improved, meanwhile, remote monitoring is achieved through the mobile terminal, and servicing management and control over the diesel locomotive in a servicing field are greatly improved.

The invention discloses a coaxial photoelectric composite low voltage cable, comprising a pair twisted fiber unit in the center of the cable, a first insulating layer extruded over the fiber unit, a first conductor layer spaced winded outside the first insulating layer, a second insulating layer extruded over the first conductor layer, a second conductor layer spaced winded outside the second insulating layer, a third insulating layer extruded over the second conductor layer, and an oversheath extruded over the utmost layer of the cable, wherein the cross section ratio among the first insulating layer, the second insulating layer and the third insulating layer is 1:2:4, and the cross section of the second conductor layer is twice the cross section of the first conductor layer. The coaxial photoelectric composite low voltage cable is of a coaxial structure, and can substantially reduce the cable external diameter, and bear certain pulling force in a construction process.

The invention provides a joint control switch system and a control method thereof and relates to ht field of a smart home. The system comprises a first switch, a second switch and a control terminal.A first end of the first switch is connected with a live wire through utilization of a single wire power supply. A second end of the first switch is connected with a null line. The null line is connected with a controlled load. A third end of the first switch is connected with the second switch through utilization of a power wire, a ground wire and a signal line. The first switch and the control terminal are wirelessly connected. The first switch supplies power to the second switch through utilization of the power wire and the ground wire and communicates with the second switch through utilization of the signal line. The first switch detects a first switching control instruction, a second switching control instruction from the second switch or a third switching control instruction from thecontrol terminal and controls a switching state of the controlled load based on the first switching control instruction, the second switching control instruction or the third switching control instruction. According to the system and the method, exiting wiring is utilized fully, cost is reduced, and control efficiency, security and reliability are improved.

The invention discloses a multifunctional optical-electric composite cable for an access network. The multifunctional optical-electric composite cable for the access network comprises a cable core and a jacket wrapping the exterior of the cable core, wherein the cable core comprises an optical unit and a plurality of electric units; an auxiliary reinforcement layer is arranged on the inner side of the jacket; the optical unit comprises a plurality of fiber cores wrapped by an inner jacket; each electric unit comprises an insulating layer and a plurality of conductors wrapped by the insulating layer. According to the multifunctional optical-electric composite cable for the access network, the signal transmission of optical fibers and optical cables is guaranteed, and the problem of difficulty in far-end power supply is solved; the optical-electric composite cable applied to the access network has the advantages that the occupied space is small, the construction is convenient, and secondary wiring is avoided.

The invention discloses a microcurrent heating composite which is formed by combining forming plastic and carbonaceous particles. The content of the carbonaceous particles ranges from 2% to 25%, the microcurrent heating composite is driven by direct current to form electric field type electric conduction, and therefore overall heating is achieved. According to the technical scheme, the microcurrent heating composite can stimulate the polar distribution direction of the forming plastic to frequently reverse to form dielectric loss, and then heat is generated. When the microcurrent heating composite works, overall heating is achieved, a heat conduction device does not need to be arranged, and the heat efficiency is higher. The microcurrent heating composite is low in power consumption and low in working current, the heating temperature does not exceed 36 DEG C, radiation hazards are avoided, and the microcurrent heating composite is very suitable for being used in contact with the humanbody. The invention further discloses a heating toilet seat.

The invention discloses a multi-output modem. The multi-output modem comprises a filter, a PLC central processor, a USB interface, a socket unit and a shell, wherein the filter is arranged in the shell; a power module is arranged at one end of the filter, and the other end of the filter is connected with the PLC central processor; the PLC central processor is connected with a power line connectionunit through a signal processing unit; the power line connection unit is connected with the socket unit through a switch unit; an external AC power plug is arranged at the external of the shell, pinsare arranged on the outer surface of the shell, the USB interface is arranged at the inner side of the shell, and is connected with the PLC central processor through an encoding / decoding module; a signal input unit and a signal output unit are respectively arranged at corners of the inner side of the shell. The power spectrum density of the modem is improved, the wiring cost is reduced, the maximum coverage various online ways of the optical fiber, the wireless in the local area network range and the mutual conversion among the same are realized, the installation is simple and easy, and the installation cost is reduced.

The invention discloses a data cable which comprises a protective sleeve, a wrapping tape, three conductors, a non-hygroscopic filler and an optical unit. The three conductors are regularly distributed in the wrapping tape, the optical unit is arranged in the wrapping tape and is located between two of the conductors, the wrapping tape is filled with the non-hygroscopic filler, the protective sleeve wraps the wrapping tape, and the three conductors are all composed of copper wires and insulating layers wrapping the copper wires. The invention further discloses a cable wire drawing device which comprises a base, and a wire releasing mechanism, a wire drawing mechanism and a wire collecting mechanism which are sequentially arranged on the base in the advancing direction of a cable in the data cable, wherein the cable in the data cable at least comprises a copper wire. The data cable and the cable wire drawing device provided by the invention have the following advantages and effects that the wire drawing precision can be improved, and impurities on the surfaces of metal wires can be well treated.

The invention discloses an optical cable with non equilateral optical units for an intensive building and a manufacturing method thereof, which relate to the field of optical communication cables and manufacturing thereof. When the optical cable is manufactured, each optical unit is placed on one pay-out stand respectively, one automatic cutting device is correspondingly placed on each pay-out stand, and all the automatic cutting devices are connected with a computer control system via a PLC. The specified length for each optical unit is set in a computer control system; when the length of the optical unit reaches the specified length, the computer control system transmits a cutting signal to the automatic cutting device via the PLC, and the automatic cutting device cuts off the optical unit whose length reaches the specified length according to the cutting signal. The structure is simple, the construction efficiency and the laying efficiency are high, repeated wiring is avoided, the cost of raw material is saved, and the construction cost is further reduced.

The invention belongs to the field of optical transmission, relates to a production process of an optical fiber combination cable. The production process comprises the steps of inner conductor preparation and collimation, inner conductor periphery physical foaming, dual-layer weaving, periphery sheath extrusion of a weaved wire core and a butterfly-shaped optical cable in a finished product room,cooling, code spraying and printing, cable coiling, detection, and packaging and warehouse storage. The production process of the optical fiber combination cable disclosed in the invention has relatively high production efficiency and yield.

The invention relates to a composite cable for signal and digital network transmission. The composite cable comprises a copper conductor, a polyolefin insulator, a wrapping tape, a copper wire sub-shield, a flame-retardant isolating layer, a non-metal glass fiber reinforced plastic rod, a copper tape total shielding layer, a flame-retardant inner sheath, a double-steel-strip armor and a halogen-free low-smoke flame-retardant elastomer outer sheath, and is characterized in that two insulating wire cores are twisted into one group to form a twisted wire pair, one twisted wire pair and four twisted wire pairs are respectively and longitudinally wrapped with the wrapping tape and braided with the copper wire sub-shield, so that a signal control twisted basic unit group and a digital network four-pair basic unit group are manufactured; and the copper strip total shielding layer wraps the cable core, the flame-retardant inner sheath is extruded outside the copper strip total shielding layer, the double-steel-strip armor wraps the flame-retardant inner sheath, and the halogen-free low-smoke flame-retardant elastomer outer sheath is extruded outside the outermost layer. The composite cable for signal and digital network transmission has the advantages that signal control and digital network transmission are integrated, and the composite cable has the performance of electromagnetic radiation prevention, tension resistance, bending resistance, cracking resistance and side pressure resistance.