486results about How to "Reduce wiring costs" patented technology

The invention relates to the field of building intelligentization, in particular to an intelligent home controller comprising a man-machine interaction unit, an audio-video application unit, a minimum processing unit, an indoor equipment control interface module and a 3G application unit. An SIM card is arranged in the intelligent home controller which is arranged indoors and carries out full-duplex transmission of multi-media information comprising characters, pictures, audio-visual data and the like with an outdoor doorphone and a 3G mobile phone through a 3G network; various scene modes are built in the controller and allow users to define so that the controller can realize the automatic switching of scenes; and the controller monitors electric equipment or members at home in real time in a remote wireless mode and a local wireless or wired mode of the 3G network. A time driving mechanism based on a clock and a perpetual calendar and an intelligent digital photo frame based on the event driving mechanism functions of excitation signals are arranged in the controller, wherein the time driving mechanism supports 2.4G frequency-band wireless bidirectional data transmission and audio-video wired input and playing.

A power converter circuitry for converting a DC voltage generated by a generator with varying output power in the mean voltage range into an alternating voltage for feeding into a grid, with several series-connected power converters, which are connected in parallel with said generator, as well as with a controllable bridging switch for each power converter, said bridging switch lying in a direct voltage intermediate circuit and bridging the respective power converter in the closed condition, is intended to be used for a photovoltaic generator. This is achieved in that a resistance chopper is connected between each power converter and the generator, no input diode being provided in the current path from the generator to the power converter, and that each bridging switch is connected in parallel with the resistance chopper in the direct voltage intermediate circuit.

The invention discloses a lighting control system based on a DMX512 protocol and a method thereof. The system comprises an upper computer, a DMX signal generator, a DMX signal decoder and lamps, wherein each part is connected in a distribution mode; the upper computer is connected with the DMX signal generator by a network; the DMX signal generator is connected with the DMX signal decoder by an interface; and the DMX signal decoder is communicated with the lamps by a single data bus. The method comprises the following steps: the upper computer controls the DMX signal generator; the signal generator is communicated with the DMX signal decoder; and the signal decoder is connected with the lamps. Baud rate of the communication between the decoder and the lamps can be configured online to synchronize DMX devices with different speeds; the invention is provided with the functions of luminance adjustment for the lamps, temperature detection and open circuit detection and the like; and the invention has an important reference value for the design of the lighting control system.

The invention belongs to the technical field of a control system and particularly relates to a hotel guest room intelligent control system, which comprises a power supply module, a control module, an input module, an output module, a communication module, a server, a guest intelligent mobile terminal control system, wherein the control module comprises a main control box, a guest room information issuing system, a multifunctional gate indicating card, a music door bell, a networked power taking switch, a touch screen switch, a slight touch press key switch, a user card and a networked temperature controller, the guest room information issuing system is connected with the main control box through a 485 bus, and the multifunctional gate indicating card, the music door bell, the networked power taking switch, the touch screen switch, the slight touch press key switch, the user card and the networked temperature controller are respectively connected with the main control box. Compared with the prior art, the hotel guest room intelligent control system can realize the control on the environment through adopting various modes such as the slight touch type control panel, the guest intelligent mobile terminal control system terminal and remote control, so the energy saving is realized, and the electric energy waste is reduced. In addition, the hotel guest room intelligent control system adopts the modular design, the mutual interference of the self strong and weak current parts inside the whole system can be reduced, the loop number can be configured according to the guest room loop requirements, and the cost is saved.

The invention provides a D-BUS high-speed bus technology based on a ring type Ethernet and an auxiliary network, which belongs to the technical field of industrial control. The D-BUS high-speed bus technology is characterized in that a D-BUS (Dual-BUS) high-speed bus network consists of a high-speed ring type Ethernet ReBUS and an auxiliary network MB+, wherein the ReBUS bus utilizes the physical layer specification of Ethernet IEEE802.3, a main station is connected with slave stations in series to form a ring type topological structure, the wiring mode for the main station and the slave stations is same with that of the slave stations with the slave stations, a receiving terminal of each equipment is connected with a transmitting terminal of the former equipment, the transmitting terminal of the equipment is connected with a receiving end of a latter terminal, the receiving terminals are sequentially connected with the transmitting terminals in the mode to form a ring type network structure, I / O equipment are connected with the slave stations through RS485 serial ports and serve as the expansion I / O of the slave stations, and failure detection comprising failure diagnosis, failure location and communication redundancy is realized by the MB+ bus. The invention has the beneficial effects that the ring type wiring cost is low, the data exchange of all network nodes is realized by one message, the communication efficiency is high, a failure detection and failure recovery mechanism is provided, and the reliability is high.

A computer-based method to facilitate detecting wheel imbalance, a tire pressure problem, or excessive tread wear on tires of a moving vehicle is disclosed. The method includes collecting (e.g., from an accelerometer of a mobile personal computing device) data that represents vibration that results, at least in part, from the vehicle's motion, and determining, with a computer-based processor, whether the moving vehicle has wheel imbalance, a tire pressure problem, and / or excessive tire tread wear based at least in part on the vibration data produced by the accelerometer (and, possibly other data), where the mobile personal computing device and the accelerometer are moving with the vehicle when the data is being collected.

A wire harness is wired at a predetermined position of the hybrid vehicle 1. The wire harness includes a plurality of high-voltage electric wires and the low-voltage electric wire and a protection member in which a portion-to-be-protected of the plurality of electric wires is inserted in a lump. The protection member protects the plurality of high-voltage electric wires and the low-voltage electric wires. The protection member is constituted of a bendable long standard pipe.

A smart virtual low voltage photovoltaic (PV) module is disclosed, including a PV module having one or more photovoltaic cells, configured to convert solar energy into DC power, and a DC / DC converting unit, coupled between the PV module and a control center coupled to the smart virtual low voltage PV module, configured to acquire from the control center a level value determined by the control center, so as to convert the DC power received from the PV module into a demanded output voltage having the level value.

The invention relates to a remote wireless video monitoring system based on a cloud service, which comprises a monitoring system for monitoring indoor working states, a cloud server system and a terminal device; the monitoring system is connected with the terminal device by the cloud server system; and the monitoring system is connected with the terminal device. The remote wireless video monitoring system based on the cloud service, featured with high safety, low wiring cost and less manpower and material input without limiting the positions of monitors, is provided.

The invention discloses a method for monitoring and controlling environments of a public place based on Zigbee, which comprises the following steps of: collecting environmental parameters in a public place by using a wireless sensor network, sending the acquired environmental parameters to a controller, and carrying out fuzzy modeling and chaotic modeling on the acquired environmental parameters by the controller; establishing a fuzzy neural network according to an established environmental parameter model, and carrying out real-time control on a working apparatus by utilizing the fuzzy neural network; and carrying long-term control on the working apparatus in the public place by utilizing a chaotic perturbation control method. In the invention, the fuzzy neural network and the chaotic perturbation control method are combined together, and the working apparatus is controlled according to season change of natural conditions, such as sunshine, temperature, and the like at the site of the public place so as to achieve the purposes of energy saving and humanization. Furthermore, the wireless sensor network adopts a wireless sensor network based on Zigbee, has the characteristics of an ad hoc network and low power consumption and avoids the arrangement difficulty of a collection point when the traditional cable is wired.

The invention provides a pixel driving circuit of an organic light-emitting display. The pixel driving circuit of the organic light-emitting display is characterized by comprising a first transistor, a second transistor, a third transistor and a fourth transistor. The first transistor is controlled by a scanning driving signal, and data signals and reference voltage signals can be transmitted to an electrode plate of a capacitor under the control of the first transistor; the second transistor is electrically connected with a second electrode plate of the capacitor and is used for determining the magnitude of driving currents, and the driving currents are determined by the aid of voltage difference between a gate and a drain of the second transistor; the third transistor is electrically connected with the second electrode plate of the capacitor and the second transistor and is controlled by a first driving signal, and the gate and the drain of the second transistor can be switched on or switched off under the control of the third transistor; the fourth transistor is electrically connected with the second transistor and the third transistor and is controlled by a second driving signal, and the driving currents from the second transistor can be transmitted to an organic light-emitting element under the control of the fourth transistor.

The invention discloses a system for real-time acquisition and analysis of production line data. The system comprises an ERP system, an intermediate layer server, a center server, a ZIGBEE wireless base station, a ZIGBEE data acquisition terminal, an electronic billboard and an electronic work ticket. According to the invention, the wiring cost is reduced, the production environment is concise, production data acquisition and production management can be also carried out at any time at any place, production bottlenecks can be discovered in real time, the production is scheduled timely, the production power is balanced, the quality is improved, the production equipment is maintained, and the delivery data is guaranteed.

The invention discloses an intelligent illumination system based on a power line carrier communication technology. The system is characterized by comprising a master controller, a plurality of slave controllers and a plurality of LED (light emitting diode) lamp groups, wherein the master controller and the plurality of slave controllers perform data communication through power lines, and each slave controller controls one LED lamp group. The intelligent illumination system performs intelligent management to the LED lamp groups, reasonably sets opening, closing and brightness of the lamps in the area according to intensity of illumination of natural light and people walking conditions in each area, and can control opening, closing and brightness of the lamps in each area by virtue of a control command which is manually input on a touch screen, so that the LED lamp group has a remarkable energy-saving effect on the premise of guaranteeing the illumination quality; and by adopting the power line carrier communication technology and utilizing the existing illumination circuit, cabling is not required, and communication is reliable, so that the cabling cost is saved, and the problems of communication quality and safety are solved.

A multilayer wiring structural body 13 is formed on a surface 57A of a metal plate 57 used as a support plate in the case of forming the multilayer wiring structural body 13, and the metal plate 57 is patterned and a slot antenna 60 is formed.

The invention brings forward an underground parking lot LED illumination and guiding system and method based on a self-networking technology. The system comprises LED light fixtures, a parking path planning guiding system, and LCDs installed in a parking lot and outside the parking lot for displaying parking place information of an underground parking lot, and further comprises parking place detection terminals which are provided with ultrasonic sensors and are installed in parking places, a DALI light modulation system, a center sever with double gateways, and a ZIGBEE wireless communication network composed of ZIGBEE modules. The LED light fixtures are integrated to form radar detection sensors installed at upper ends of travel paths of the parking lot; the center server employs a DALI protocol and the DALI light modulation system for communication and realizes automatic light modulation on the multiple LED light fixtures; and the center server employs a ZIGBEE wireless communication mode to communicate with the multiple parking plate detection terminals. The invention further brings forward a method based on the system.

The invention discloses a lower-power-dissipation industrial wireless network data transmission device and an application method of the lower-power-dissipation industrial wireless network data transmission device. The lower-power-dissipation industrial wireless network data transmission device comprises a microprocessor unit (MPU) circuit, a radio-frequency module, a serial interface circuit and data acquisition circuits. Serial peripheral interface (SPI) interconnection is adopted between the MPU circuit and the radio-frequency module. The serial interface circuit is connected with an input end of the MPU circuit, and the other end of the serial interface circuit is connected with a personal computer (PC) or a handheld device. Output ends of the data acquisition circuits are connected with the input end of the MPU circuit. Industrial field data acquired by the data acquisition circuits are processed by the MPU circuit and the radio-frequency module to achieve data transmission, data forwarding, data display and data control. The application method of the lower-power-dissipation industrial wireless network data transmission device includes that a software protocol stack, application programs and a radio-frequency-based module are established to enable a short-distance industrial wireless network to be established, and network-based management and monitoring can be easily performed on the lower-power-dissipation industrial wireless network data transmission device. The lower-power-dissipation industrial wireless network data transmission device can work in an industrial filed which is very hostile in environment, and has the advantages of being multifunctional, low in power dissipation, small in size, high in reliability and the like. The lower-power-dissipation industrial wireless network data transmission device is mainly applied to the field of industrial automatic monitoring.

A printed circuit board comprises at least one printed circuit board with at least one electrical contact and one circuit board connector. The circuit board connector includes a printed circuit board provided with one or several open tracks on at least one side for connection with electrical contact(s) of the printed circuit board.

A gas-shielded flux-cored wire with recyclable welding slag belongs to the welding field. In the invention, the skin of the gas-shielded flux-cored wire is made from a mild steel strip, and welding slag powder is partially or completely instead of natural rutile, thus the purposes of saving the resource and reducing the cost are achieved. The powder of the flux-cored wire comprises the following chemical components in percentage by weight: 15-35% of the welding slag powder of the flux-cored wire (including 20-65% of TiO2, 5-15% of MnO, 5-15% of MgO, 5-15% of SiO2, 1-10% of Fe2O3 and 1-10% of Al2O3), 15-35% of TiO2, 2-7% of Si, 3-8% of Mn, 0.5-5% of Al-Mg, 0-5% of Na, 0-5% of K, 1-5% of Mg and the balance of ferrous powder. When the flux-cored wire manufactured by adopting the welding slag powder is applied to welding, the gas-shielded flux-cored wire has the advantages of excellent technical performance of welding and omnibearing welding adaptability, attractive appearance good humidity resistance, low content of diffusible hydrogen in a welding seam, excellent crack resistance, high connection strength and good low-temperature impact toughness.

A vibration information transmission apparatus for improving efficiency of field wiring of a vibration monitoring / analyzing system includes transmitters (11-1 to n) for converting vibration information from vibration sensors (2-1 to n) for detecting vibration of an object to be measured, into an electric signal and outputting the electric signal to a digital network (DN). The transmitters (11-1 to n) includes in the same casing, a transducer circuit (18) for converting the vibration information from the vibration sensors (2-1 to n) into an analog electric signal, an A / D conversion circuit (19) for converting the analog electric signal from the transducer circuit (18) into a digital signal, and a network interface (20) for outputting the digital signal from the A / D conversion circuit (19) to the digital network (DN).

The invention mainly relates to a photovoltaic power optimization system, which comprises a plurality of photovoltaic assemblies which are connected in series, wherein each photovoltaic assembly is provided with a carrier transmission module which is used for forming a communication carrier on a transmission line of connecting the photovoltaic assemblies in series; each photovoltaic assembly is provided with a carrier sensing module which is used for extracting a communication carrier on the transmission line; and at least one part of photovoltaic assemblies are provided with a wireless communication module, so that at least one part of photovoltaic assemblies receive or transmit first data which are reflected in a wireless communication form through the arranged wireless communication module, and / or the photovoltaic assemblies receive second data which are reflected in a communication carrier form on the transmission line through the arranged carrier sensing module.

The invention is concerned with the welding material field, especially high tenacity self-protect flux cored wire for the all-position welding, uses to weld the oil and gas pipe-line, the bridge, the tall building, the platform. The compositions of the flux are: fluoride is 50% to 60%; oxide is 20% to 25%; carbonate is 1% to 5%; magnesia chrome is 12% to 18%; silicomangan or ferro manganese is 4% to 6%; nickel is 1% to 1.5%. Comparing with the existing technology, the invention is not only with better mechanical property, but also lower cost of the soldering wire.

The invention discloses a monitoring system based on a wireless bridge. The monitoring system based on the wireless bridge comprises a vidicon, the wireless bridge, an alarm, a controller and a monitor, wherein the vidicon is connected with the wireless bridge which is connected with the controller, the alarm and the monitor are respectively connected with the controller, and the monitoring system further comprises a wireless transmitting and receiving module connected with the wireless bridge. The vidicon shoots in a live-action mode, and under the action of the wireless bridge, graphic data information is transmitted to the controller and the monitor through the wireless transmitting and receiving module; the monitor displays real-time situations of the outside world and provides data support; the alarm connected with the controller can give an alarm when serious emergencies happen. The wireless transmission is not limited by mountains, rivers, bridges, roads and other complex terrain, the network wiring cost is reduced, the construction cycle is accelerated, and the flexible application requirements are met; the monitoring system based on the wireless bridge is especially suitable for occasions where the wiring can not be conducted or fields with long distances, and also suitable for special occasions requiring the flexibility.

The invention discloses a wind tunnel operation control system based on a distributed architecture, which belongs to the technical field of aerospace ground thermal insulation tests, so as to controleach part in a combustion-gas flow thermal wind tunnel test system to realize thermal examination on a spacecraft thermal protection structure. The distributed control architecture is used, each control subsystem of the wind tunnel has an independent controller, operation control is carried out on a corresponding device, coordination of the whole action is realized through a top-layer master control command and dispatch subsystem, the whole wind tunnel system is ensured to act in a coordinated and orderly mode, software and hardware supports are provided for stable operation of the wind tunnelsystem, and a technical support is provided for condition monitoring and timing control on the equipment.

The invention discloses a remote pavement construction diagnosis system and method based on an infrared thermal image of a third-generation (3G) network. The system comprises an infrared thermal image acquisition system and an infrared thermal image quality inspection center which are in communication connection with each other through a 3G wireless communication network, wherein the infrared thermal image acquisition system comprises an advanced reduced instruction set computer (RISC) machine (ARM) embedded system, an infrared thermal imager which is connected to the ARM embedded system, a distance measuring device and a 3G wireless communication module; the infrared thermal image quality inspection center comprises a 3G wireless network card and a data processor; the infrared thermal image acquisition system and the infrared thermal image quality inspection center are in communication connection with each other through the 3G wireless communication module and the 3G wireless network card. Through an advanced 3G network transmission technology, the remote wireless communication of a control signal and the real-time transmission, recording and analysis of an infrared image and temperature data between the infrared thermal image acquisition system and the infrared thermal image quality inspection center are easily realized.

A system and method for an integrated intercom and distributed audio / video system with a security interface is provided. An intercom station is configured to couple with a powerline and to transmit and / or receive system control signals over the powerline. The intercom station may be further configured to transmit and / or receive live audio data and / or live image data over the powerline in real time or in near real time. The system may include two intercom stations configured to be coupled with a powerline. At least one of the two intercom stations may be configured to be mounted to a wall. At least one of the two intercom stations may include an intercom adapter configured to transmit and receive a uniquely addressed, modulated carrier wave over the powerline.

The invention relates to an intelligent energy-saving power supply system and method based on the cloud computing technology. The system comprises an intelligent distribution box and a cloud computing control center. The intelligent distribution box comprises an intelligent circuit breaker, a master controller and an intelligent gateway, the intelligent circuit breaker is used for monitoring power utilization data of a power utilization load in a power supply circuit and sending the power utilization data to the master controller, the master controller collects the power utilization data monitored by the intelligent circuit breaker and sends the data to the intelligent gateway, and the intelligent gateway transmits the power utilization data to the cloud computing control center through the Internet; the cloud computing control center receives the power utilization data transmitted by the intelligent gateway, analyzes the power utilization data, generates a switch control instruction according to energy-saving measures, and transmits the switch control instruction to the intelligent gateway through the Internet; the master controller obtains the switch control instruction through the intelligent gateway and controls the intelligent circuit breaker to connect or disconnect the power supply circuit of the power utilization load according to the control instruction. The intelligent energy-saving power supply system has the advantages of being low in cost and free of manual operation.

The present invention relates to welding material, in particular to a welding wire used for X 70 pipeline steel and low-alloy steel, pertaining to the field of the welding material. The non-copper-plated submerged arc welding wire provided by the present invention includes the following elements according to the weight percentage: 0.06 to 0.10 percent of carbon, equal to or less than 0.07 percent of Si, 1.50 to 1.90 percent of Mn, equal to or less than 0.02 percent of phosphor, equal to or less than 0.015 percent of sulfur and equal to or less than 0.40 percent of nickel. The manufacturing process of the welding wire includes the following procedures: a lubricant is added when the welding wire is drawn; the residual lubricant on the surface of the welding wire is eliminated by electrolytic alkali cleaning, washing and electrolytic acid cleaning after the welding wire is drawn to the diameter required; then an anti-rust oil is added and the welding wire is polished by soft metal material. The welding material of the present invention has the advantages of good welding quality, excellent electric conductivity, wire feeding property and rust resistance, which can replace the original copper-plated submerged arc welding wire.

A multilayer wiring structural body 13 is formed on a surface 57A of a metal plate 57 used as a support plate in the case of forming the multilayer wiring structural body 13, and the metal plate 57 is patterned and a slot antenna 60 is formed.