136results about How to "Solve wiring difficulties" patented technology

The invention belongs to the field of wireless sensor network communication, in particular to a ZigBee network wireless monitoring system combined with the general packet radio service (GPRS). In order to overcome the defects existing in wired monitoring system data transmission and to satisfy urgent demands for wireless monitoring systems by certain special environment, a wireless monitoring system combined with GPRS networks and ZigBeenetworks is provided. The ZigBee network monitoring system combined with the GPRS specifically comprises a ZigBee network data collecting layer, a GPRS network data transmission layer and a monitor center, wherein a personal computer (PC) serves as a management layer in the monitor center. The ZigBee network monitoring system combined with the GPRS is capable of guaranteeing reliable and real-time transmission of data and reducing investing and maintaining cost, good in communication quality, low in power dissipation and capable of reducing shortcomings existing in long distance communication.

The invention discloses an electronic conference plate system based on a ZigBee wireless technology network, which consists of an identity recognizer, a control server, a wireless positioning data transmission host and an electronic conference plate. The identity recognizer comprises a control chip, a periphery circuit, a recognition sensor, an electronic screen, a wireless data transmission module and the like; the electronic conference plate comprises a control chip, a periphery circuit, a front screen, a back screen, a wireless data transmission extension and the like. A participant is recognized by the identity recognizer at the entrance through an RFID (Radio Frequency Identification Device) card that worn by the participant, and the electronic screen displays the seat and prompts the participant to find the seat; meanwhile, the information is transmitted to the electronic conference plate of the corresponding seat in a wireless manner, and the name is displayed on the electronic conference plate. The invention has the advantages of automatically recognizing the identity of the participant, realizing automatic registration sign-in and wireless management, ensuring good anti-counterfeiting function, saving a great deal of labor and resources, and the like; moreover, the invention achieves real informatization and intellectualization of conference management and is widely applied to various conference rooms and large and medium-sized conferences of various levels and classes.

The present invention will provide a micro-inertial sensor characterized by the following content, which includes: a lower glass substrate; a lower silicon substrate on the lower glass substrate for detecting the first edge and the first fixed point and side motion detection structures Layer; including the first edge portion corresponding to the above-mentioned lower silicon layer, the first fixed point and the second edge portion of the side motion detection structure, the second fixed point bonded by the through-hole with the built-in metal line, and the above-mentioned side motion The upper silicon layer including the second detection electrode used to detect the capacitance in the vertical direction between the detection structures; the eutectic bonding layer between the above-mentioned upper silicon layer and the lower silicon layer; located on the upper part of the above-mentioned upper silicon layer, and An upper glass substrate having through-holes provided with metal wiring. In addition, the present invention provides a micro inertial sensor manufacturing method, and the purpose of the present invention is to realize the miniaturization of the product and the simplification of the process.

The invention provides an intelligent building fire control system based on zigbee. The intelligent building fire control system belongs to the field of fire control and is composed of the components of zigbee terminal nodes, zigbee node routers, zigbee node coordinators, a fire monitoring center, a server module, a CDMA wireless alarm module and a 119 fire alarm center. An environment condition of the building is acquired by sensors. A zigbee wireless communication module transmits information to the fire monitoring center through wireless transmission. A manager can check an environment safety problem of the building through the fire monitoring center. The intelligent building fire control system settles problems of high wiring difficulty and low intelligence degree in an existing building fire control system.

The invention provides a real-time monitoring and early warning system for subway tunnel deformation based on the principle of laser ranging, mainly including a data acquisition system and a data display and processing system. The present invention is different from the traditional laser interferometric distance measuring device. The reflective target on the track subgrade and the surrounding rock of the tunnel can produce displacement changes due to subsidence of the subgrade and deformation of the tunnel structure. The displacement of each data acquisition module is determined by Fourier Ye established a continuous function for overall control, and calculated the displacement of the corresponding reflective target through the relative changes of the two functions, and then judged whether the tunnel is deformed, which can realize 24-hour uninterrupted monitoring of tunnel deformation. The present invention utilizes 6LoWPAN network to transmit the measurement data to the upper computer, which has low cost, low power consumption, low complexity, small and flexible collection nodes and easy networking, avoids various disadvantages of traditional wired cable transmission, and can be used for subway tunnels Real-time and reliable monitoring of deformation.

The invention discloses a double-circulation ventilation cabinet of an auxiliary transformer for a locomotive. The double-circulation ventilation cabinet comprises a cabinet body, a cabinet top fan and the transformer, and further comprises a clapboard structure, a cyclone dust remover, a dust removal box, a dust exhaust air duct and a heat dissipation fan of the auxiliary transformer, wherein the clapboard structure comprises an inclined plate, a horizontal plate and a vertical plate; one end of the inclined plate is connected with the interior of the cabinet body, and the other end of the inclined plate is connected with one end of the horizontal plate; the angle formed by the inclined plate and the horizontal plate is 130-160 degrees; the other end of the horizontal plate is connected with the dust removal box; one end of the vertical plate is connected with the inclined plate, and the other end of the vertical plate clings to the transformer; the cyclone dust remover and the heat dissipation fan of the auxiliary transformer are arranged at the inner side of the cabinet body; the cyclone dust remover and the dust removal box are both communicated with the dust exhaust air duct. The double-circulation ventilation cabinet disclosed by the invention greatly improves the working environment of the auxiliary transformer, and thoroughly solves the grounding faults of the auxiliary transformer, due to water inlet and dust inlet.

The invention discloses a wireless shore power video monitoring system, which comprises webcams, a video monitoring client and WI-FI (wireless fidelity) wireless transmitters, the webcams are arranged on mobile electric boxes, the video monitoring client can display the video images acquired by the webcams in real time, and the webcams carry out data interaction with the video monitoring client arranged in a dispatching and monitoring room via the WI-FI wireless transmitters. When the wireless shore power video monitoring system based on the Wi-Fi technology is adopted to monitor the shore power mobile electric boxes of a dock and give an alarm in real time, a dispatcher can accurately know the states of the mobile electric boxes in time at the rear, the remote and unattended monitoring of the shore power mobile electric boxes is realized, the difficulty of wiring wired video on the port dock is avoided, and moreover, the networking cost is low; the treatment and analysis of data are distributed to each webcam, the identification and treatment of digital images in video monitoring are fulfilled by embedded systems in the webcams, and thereby the burden of the video monitoring client in the dispatching and monitoring room is decreased.

The invention discloses a remote system for PLC equipment debugging and a method thereof. The system consists of virtual serial port bridging software, a background server and an industrial gateway concentrator, wherein the industrial gateway concentrator equipment on a physical connection line is connected with traditional PLC equipment; the virtual serial port bridging software is connected withIDE software of a corresponding PLC through a virtual serial port; a transmission layer protocol central server is connected with the virtual serial port bridging software through an HTTP protocol and connected with the industrial gateway concentrator equipment through an MQTT protocol; the industrial gateway concentrator equipment is connected with the PLC through the physical connection line and sends information in a transparent transmission line; and the virtual serial port bridging software sends information in the same transparent transmission line. According to the system and the method, the users do not need to change the original programs and can remotely debug the PLC equipment without being limited by territories, so that the operation is convenient and efficient.

The invention discloses a wireless network monitoring system of a welding production workshop, and belongs to the field of the welding quality detection and control of the welding production workshop. The wireless network monitoring system of the welding production workshop is characterized by comprising a sensor, an embedded monitoring device, a WIFI (wireless fidelity) transmitting device, a WIFI component, a wireless router and an industrial control computer; in a monitoring process, the embedded monitoring device monitors all welding data of welding equipment through the sensor or other force ways; after the embedded monitoring device transmits the welding data to the WIFI transmitting device through a CAN (controller area network) bus, the welding data are sent to the WIFI component through an SPI (serial peripheral interface); the WIFI component sends the welding data to the wireless router; and then, the wireless router sends the welding data to the industrial control computer;the welding data are displayed on a display by special software; when the welding equipment is to be set, setting data sent by the special software on the industrial control computer are transmitted to the embedded monitoring device through the wireless router, the WIFI component and the WIFI transmitting device; and the welding equipment is set and controlled by an embedded detecting device.

The invention discloses an elevator car video signal transmission system and method, and relates to the field of elevators. The system comprises a video collection device, an image processing device, a first signal conversion device, an unshielded two-core cable, a second signal conversion device, a wireless signal transmission device, a signal transit device, a wireless signal receiving device and an image display device; the video collection device is in signal connection with the image processing device; the image processing device is in signal connection with the first signal conversion device and the wireless signal transmission device separately; the first signal conversion device is in signal connection with the unshielded two-core cable; then the unshielded two-core cable is in signal connection with the second signal conversion device; the second signal conversion device is in signal connection with the image display device; the wireless signal transmission device is in signal connection with the signal transit device; the signal transit device is in signal connection with the wireless signal receiving device; the wireless signal receiving device is in signal connection wit the image display device.

The invention relates to a hybrid transmission sensor web in a coal mine, which is suitable for information transmission under the coal mine. A conversion node which can convert a wireless signal into a wired signal is arranged on a field bus, a sensor arranged on a non-movable device is provided with a wired sensor node, and a sensor arranged on a mobile device is provided with a wireless sensor node. When the sensor sends a signal, the wired sensor node directly transmits the signal into the field bus, the wireless sensor node transmits the signal into the conversion node through wireless waves, and the conversion node converts the signal and finally transits the signal into the field bus. The hybrid transmission sensor web has simple structure and low power consumption, can select a wired device or a wireless device according to the density of the sensor nodes arranged in a tunnel and solve the problems that the long and narrow tunnel of the coal mine is incontinent for wireless wave transmission and the wiring is difficult, thereby having wide practicability.

The invention discloses a collaborative robot modularized joint compact in structure. The modularized joint is composed of a joint shell, a joint output flange, a low-speed wire protection pipe, a harmonic reducer, a motor assembly, a motor shaft, a brake assembly, a motor end encoder assembly and a joint end encoder assembly which are sequentially connected. The low-speed wire protection pipe isconnected with the joint output flange. The harmonic reducer is connected with the joint output flange and the joint shell. The motor assembly comprises a stator and a rotor. The motor shaft is connected with the motor rotor. One end of the motor shaft is connected with the input end of the harmonic reducer. The brake assembly is of a magnetic attraction friction type, capable of achieving lockingwhen powered off, capable of achieving unlocking when powered on and connected to the motor shaft. Compared with a plug pin type brake, sudden stop is safe, and stop pins cannot be bent. A motor endencoder coded disc and a joint end encoder coded disc are concentrically arranged. A motor end encoder reading head and a joint end encoder reading head are integrated together, the axial space of thejoint can be compact, the integration level can be high, the wiring space is large, and operation is facilitated; and meanwhile the modularized joint further has the characteristics of being high inrigidity and large in load-dead weight ratio.

The invention relates to a computer motherboard. The computer motherboard comprises a multilayer printed circuit board, wherein the printed circuit board comprises a central processor slot and at least one group of memory slots; each group of memory slots comprise a perforative slot and at least one surface mounted slot; the surface mounted slots are formed between the perforative slots and the central processor slot; annular rings of through holes of the perforative slots are directly connected with corresponding bonding pads of the central processor slot through lead wires; and bonding pads with the same pin definition of the surface mounted slots are connected in series with the annular rings of the through holes with the same pin definition, of the perforative slots through lead wires from far to near sequentially. The computer motherboard can improve the quality of transmission signals of the lead wires between a central processor and memories.

The invention provides a collaborative robot modular joint. The collaborative robot modular joint comprises a joint body, an output flange, a speed reducer assembly, a band-type brake assembly, an absolute value encoder assembly, a built-in driving plate assembly and a motor assembly which are arranged in the joint body; the output flange is a flange with an O-shaped groove and a hollow shaft, theO-shaped groove is used for oil seal of the speed reducer assembly, the hollow shaft is fixedly connected with the output end of a speed reducer body, and the hollow shaft is used for being connectedwith other joints; and the speed reducer assembly comprises the speed reducer body and a speed reducer input shaft, and the speed reducer input shaft is integrally designed with a speed reducer wavegenerator in the speed reducer body. The cooperative robot modular joint has the characteristics of being good in replaceability, capable of realizing mass production, high in cooperative performanceand high in safety.

The invention discloses a fixed base, a lamp fixing device and a lamp. The fixed base comprises a first body part and a junction box. The first body part comprises a containing cavity used for containing the junction box, first combination parts and first detachable connection parts used for being directly and detachably connected with the junction box. A first electrical connection part and second detachable connection parts used for being detachably matched with the first detachable connection parts are arranged on the junction box. Each first detachable connection part and the correspondingsecond detachable connection part are detachably connected in the manner that the first detachable connection part and the second detachable connection part relatively rotate around a rotation shaft.The junction box can be detachably fixed in the containing cavity through cooperation of the first detachable connection parts and the second detachable connection parts. The lamp fixing device comprises a connection base connected with a lamp body and the fixed base. The lamp comprises the lamp body and the lamp fixing device. The lamp body is fixedly connected with the connection base. By meansof the fixed base, the lamp fixing device and the lamp which are provided by the embodiment, the wiring operation can get rid of space limitation of the containing cavity.

The invention provides a wireless vibrating wire acquisition system and method for synchronous sampling. The system comprises a main control end (1), a vibrating wire sensor acquisition end (2) and a vibrating wire sensor (3). The main control end (1) performs networking and data interaction with all acquisition nodes in the vibrating wire sensor acquisition end (2) in a wireless mode; each acquisition node in the vibrating wire sensor acquisition end (2) receives and responds to all operating commands sent by the main control end (1); and the vibrating wire sensor (3) senses micro deformation of a part to be detected such as a bridge, a slope and the like, converts the micro deformation into electrical signals and transmits the electrical signals to the vibrating wire sensor acquisition end (2) for acquiring. The method comprises: step 1, initializing the system; step 2, sending a networking connection command; step 3, starting synchronous sampling; step 4, acquiring data of each acquisition node; and step 5, storing and uploading the data. By adopting the wireless mode, the synchronous sampling function of each node is realized, the detection efficiency is greatly improved, and the accuracy and the reliability of data are ensured.

The invention discloses a coarse wavelength division multiplexing filter which comprises a first waveguide arm for transmitting a first mode of light waves and a second waveguide arm for transmittinga second mode of light waves. The first and second waveguide arms form an MZI type filter structure, the first waveguide arm comprise a first phase compensation area and a first mode heat-free area, and the second waveguide arm comprises a second phase compensation area and a second mode heat-free area; the lengths of the first and second heat-free areas satisfy preset heat-free requirements; andthe first and second compensation areas keep the relative phase shaft between the first and second waveguide arms unchanged, and compensate length difference between the first and second heat-free areas. Each of the two waveguide arms is provided with the mode heat-free area and the phase compensation area, so that a heat-free filter structure with equal length of two arms is realized, use of a bending waveguide or negative refractive index material is not needed, and waveguide or mode switching is not needed.

The invention relates to a servo wire device of a suspension type ultrasonic air humidifier, which comprises a wire, a water box cover assembly and a vibrating sheet assembly, wherein the vibrating sheet assembly is positioned below the water box cover assembly; one end of the wire is connected with the vibrating sheet assembly, and the other end is connected with the water box cover assembly; and the wire is a spiral wire. In the invention, because the wire connecting the water box cover assembly and the vibrating sheet assembly is the spiral wire, in the suspension type ultrasonic air humidifier, the length of the wire can be automatically regulated along with different suspension positions of the vibrating sheet assembly, and the wire is integrally and vertically hung down all the time and can not be wound or knotted, thereby simultaneously avoiding bending of the wire and extending the service life of the wire. The invention has simple and practical structure, and solves the problem of difficulty in wiring of a connecting wire of the vibrating sheet assembly in the suspension type ultrasonic air humidifier.

The invention discloses a control system for train water supply. The control system comprises acquisition equipment, control equipment, a station control center and user equipment, wherein the acquisition equipment is installed in a water tank of a train compartment and used for acquiring water deficit information of the water tank; the control equipment is connected with the acquisition equipment and used for receiving the water deficit information acquired by the acquisition equipment and forwarding the water deficit information to the station control center; the station control center is connected with the control equipment and used for generating work information according to the water deficit information; the user equipment is connected with the station control center and used for receiving the work information generated by the station control center and displaying the work information so that a worker can connect a water injection port of the water tank with a water supply hydrant of a station through a water supply pipe; and the control equipment is also used for controlling a valve on the water supply hydrant to be opened according to the water deficit information under the condition that the acquisition equipment acquires connection information of the water supply pipe, so that water is injected into the water tank. The control system is widely applied to train water supply for railway passenger stations, wire arrangement difficulty is eliminated, and intelligent water supply is achieved.

The invention discloses a distributed cloud splicing system and its splicing method, wherein the said distributed cloud splicing system comprises a control module, a server, a plurality of processorsand a plurality of display screens corresponding to the said processor; the operational order input by the user is received and sent by the control module to a server, and the display data to be displayed according to the operational order is obtained and distributed by the said server to the corresponding processor, and the control signals is exported to the corresponding processor.The corresponding display screen is driven to work by each processor according to the received control signals and the acquired display data. And all display functions are distributed on each display screen throughthe distributed processors controlling each splicing screen correspondingly, so that the problem of difficult wiring and high maintenance cost caused by the centralized management of the traditionalcontroller is solved, and the screen display control is more flexible.

The invention relates to an automatic energy saving device of a pivoting fan. A speed adjustable air supplying motor with multiple input gears and a turning motor are installed in a main body; the automatic energy saving device further comprises an infrared sensing head unit, an infrared sensing module and a motor rotating speed control module, wherein the infrared sensing head unit is located at the front of the main body of the pivoting fan, the infrared sensing module is further arranged on the basis of an inner power device; and the infrared sensing module receives singles of the infrared sensing head unit, and when human heat energy is detected, voltage signals are sent to control a relay of the motor rotating speed control module to switch the input ends of the air supplying motor and the turning motor, and the working powers of the air supplying motor and the turning motor are changed, so that when the pivoting fan faces towards an area without human, the power of the air supplying motor is reduced, and the rotating speed of the turning motor is increased. The purpose that air supplying volume and the turning speed can be automatically adjusted according to positions of human bodies, so that the energy consumption of the whole pivoting fan is reduced, and meanwhile, the quality of blowing experience of the human bodies is improved; and the automatic energy saving device is beneficial for human health, the structure is simple, and the automatic energy saving device can be applied to the mechanical switch type pivoting fan.

The invention provides analog circuit experimental equipment and a method of determining required electronic components thereof. The equipment includes a jumper module, an experimental electronic component plug-in module, a programmable sine signal generator, a programmable power supply, and a numerical control acquisition module; the jumper module consists of multiple row conductors, multiple column conductors and multiple jumper switches; the multiple jumper switches are arranged in a matrix mode, a first pin of the jumper switches in each row of the matrix is connected with one row conductor, a second pin of the jumper switches in each row of the matrix is connected to one column conductor, and when all jumper switches are in a disconnected state, each row of conductors and each columnof conductors are in a mutually insulated non-conductive state; the row conductors and the column conductors are connected with the pins of the experimental electronic component plug-in module correspondingly one to one. According to the analog circuit experimental equipment, the jumper module is applied to solve the problems that the wiring of a universal circuit board is difficult and error-prone and a device can be mistakenly burned.

The invention discloses a ubiquitous IOT intelligent terminal acquisition system based on a wireless transmission technology. The ubiquitous IOT intelligent terminal acquisition system based on the wireless transmission technology comprises a data concentrator and at least one intelligent acquisition terminal; working ranges of the intelligent acquisition terminal and the data concentrator are reasonably distributed; the data acquisition function of a distribution area is realized simply and reliably; interference is reduced; and furthermore, the problems of high field communication and powersupply cable construction workload, difficult routing, complex installation of an acquirer and the like can be thoroughly solved.

The invention discloses an intelligent lock system and a control method thereof. The intelligent lock system comprises a remote server, a master controller, a plurality of intelligent lock nodes and amobile terminal. A mobile phone APP client side in communication connection with a remote server is arranged in the mobile terminal; the remote server is in communication connection with the master controller; the master controller is in communication connection with the intelligent lock nodes; and each intelligent lock node comprises a photovoltaic cell panel, a rechargeable battery, an externalpower supply, a photovoltaic energy collecting circuit, a lock drive power circuit, an inner core power circuit, a ZigBee communication module, a lock control drive circuit, a lock state input circuit, a central processing unit (CPU) and a lock body. According to the intelligent lock system and the control method thereof provided by the invention, the photovoltaic cell panels and the external power supplies can be adopted for supplying power to the rechargeable batteries, so that the energy is saved, an open-and-close state of the lock body can be detected in real time, and open-and-close information of the lock body can be recorded by the system; and the remote server of the intelligent lock system is logged in through the third-party application authorization, so that the defects of complex operation and inconvenience in application of an existing device or product are overcome.