30results about How to "Solve the problem of complex wiring" patented technology

The invention discloses a distributed farm monitoring system based on NB-IoT. The distributed farm monitoring system based on the NB-IoT comprises a sensor network, a valve network, a cloud server anda remote terminal. The sensor network comprises a plurality of sensor nodes distributed in areas of a farm, the sensor nodes comprise first microprocessors, sensors and first NB-IoT modules, whereinthe sensors and the first NB-IoT modules are electrically connected with the first microprocessors, and information collected by the sensors is controlled by the first microprocessors to transfer to the cloud server through the first NB-IoT modules. The valve network comprises a plurality of watering device nodes and slide rail motor nodes, the watering device nodes comprise second microprocessors, watering device valves, second NB-IoT modules, watering devices and water pipes, wherein the watering device valves and the second NB-IoT modules are electrically connected with the second microprocessors, the watering devices are connected with the watering device nodes, and the water pipes are connected with the watering devices. The slide rail motor nodes comprise third microprocessors, thirdNB-IoT modules, slide rail motor valves, slide rail motors and pulleys, wherein the third NB-IoT modules, the slide rail motor valves and the slide rail motors are electrically connected with the third microprocessors, and the pulleys are electrically connected with the slide rail motors. The distributed farm monitoring system based on the NB-IoT has low cost and power consumption, and users canconveniently manage the farm remotely.

The invention discloses a singular perturbation theory-based agaricus bisporus cultivation greenhouse remote monitoring system. The system comprises a greenhouse, a detection sensor group, an environment adjustment device, an LQR controller, a GPRS module, a monitoring gateway, a data forwarding repeater, a data platform, a high-definition camera and a mobile terminal; the detection sensor group acquires environmental parameters and transmits the environmental parameters to the LQR controller through the data forwarding repeater; the high-definition camera is connected with the data platform through a TD-LTE network; the LQR controller is connected with the monitoring gateway through the GPRS module and controls the environment adjustment device; the monitoring gateway is connected with the data platform; and the mobile terminal is connected with the data platform through the TD-LTE network. According to the agaricus bisporus cultivation greenhouse remote monitoring system of the invention, a wireless data acquisition and remote control mode is adopted, so that the problems of complex greenhouse wiring and poor control stability can be solved. The system of the invention has the advantages of convenient control, high reliability, high precision and the like.

The invention discloses a construction environment monitoring system and monitoring method based on big data, belonging to the technical field of environmental protection monitoring. The system includes a data acquisition module, a wireless transceiver module, a data transmission module, a main controller, an early warning module, a display module and a power supply module , database and information monitoring platform; monitoring methods include registering and recording information on all monitoring points; using wireless data transmission for remote data transmission; entering data with normal dust particle concentration into the normal information database; Data processing; manual review of results to ensure the authenticity of the results. The construction environment monitoring system of the present invention obtains the construction dust concentration in different construction stages, grasps the dust pollution situation and emission characteristics in different processes, provides data support for further research on the diffusion law of construction dust on construction sites, and can also strengthen the dust on the construction site. Pollution Prevention and Control.

The present invention provides a cable TV broadband network system and networking method thereof. The system includes an OLT apparatus of an EPON, an ONU apparatus of the EPON, an LAN switch, a CLT apparatus of an EOC and a CNU apparatus. The OLT apparatus of the EPON is disposed at the front machine room; the ONU apparatus of the EPON and the LAN switch are disposed at an optical node; and the CLT apparatus of the EOC is disposed at a floor centralized distributing box. The CLT apparatus is connected to the CNU in the room of the user sequentially through a combiner, a distributor, and a coaxial-cable. A networking mode of EPON+LAN+EOC (1.215 GHz to 2.535GHz) is adapted to the optical transmission network from the optical node to the building. Bandwidth entering home can achieve more than 10 Mbps, the problem of complex wiring is solved, and the effect can be compared with FTTH, and the low construction cost is low.

The invention discloses a trigger signal synchronization system among multi-service boards in ATE semiconductor testing equipment, which belongs to the field of integrated circuit testing in the microelectronics industry. By setting the programmable logic device on the backplane, the interconnection synchronous trigger signal wiring of all service boards connected to the backplane is realized on the programmable logic device, which solves the problem of complex wiring on the backplane and solves the problem of various business The precise synchronization problem of sending the trigger signal of the board to other service boards, and it is easier to process the trigger signal synchronously.

A driving system for textile machinery thread guide. The thread guide driving electric engine of the each station in textile machinery is controlled by a spot electric installation, the thread guide driving electric engine and the electric control installation are connected as a whole on construction and function. Spot electric control installations of all stations connect with master controller of the textile machinery by the only one field bus.

The invention discloses an intelligent home system and a monitoring method implemented by the same. The intelligent home system comprises household appliances, gateway devices, a control terminal, a router and a cloud server. The gateway devices are connected with the household appliances by field buses and are provided with bus communication modules and first radiofrequency communication modules; the control terminal is provided with a second radiofrequency communication module and a first network communication module; the router is provided with a second network communication module; the cloud server is provided with a third network communication module and a memory. The intelligent home system and the monitoring method have the advantages that the problem of complexity in arrangement of wires among existing gateway devices and an existing control terminal can be solved, the circuit cost can be reduced, and the applicability of the intelligent home system can be improved.

The invention discloses a distributed manipulator control system comprising a bus, a main machine controller, an all in one servo driver, multiple servo motors, an input and output interface, multiple sensors, and a claw driver. In the embodiment of the invention, the bus comprises a first node, a second node and a third node. The man machine controller is connected with the first node by communication. The all in one servo driver is connected with the second node by communication. The input and output interface is connected with the third node by communication. The servo motor is controlled by the all in one servo driver to move a manipulator. The multiple sensors are connected with the input and output interface by communication. The claw driver is connected with the input and output interface by communication. The distributed manipulator control system disclosed by the invention not only can effectively solve the complex wiring problem, but also can plan movement path of the manipulator directly by a touch display panel and can display real-time position of the manipulator. The man machine controller does not need to control the movement path.

The invention provides a self-energy-supply expressway traffic and roadbed modulus monitoring system and a monitoring method. The system comprises a piezoelectric sensor, a weighing device, an auxiliary unit and a computer terminal; the piezoelectric sensor and the weighing device are buried in an expressway roadbed along an expressway; the auxiliary unit is arranged beside the expressway; the weighing device is used for monitoring the weight of an automobile; the piezoelectric sensor is used for monitoring the speed of the automobile; and finally, the modulus of the roadbed is inversely calculated through the weight and speed of the automobile and the voltage peak of the piezoelectric sensor, and the purpose of detecting the modulus of the expressway roadbed is achieved. The piezoelectricsensor has a mechanical-electrical coupling characteristic, collected vibration energy can be stored in an energy storage capacitor at the same time, and the energy storage capacitor can be used forproviding power for the weighing device and other parts. By means of the self-energy-supply expressway traffic and roadbed modulus monitoring system and the monitoring method, vibration generated by the automobile on the expressway is used, the weight and speed of the automobile and the modulus of the roadbed can be monitored at the same time in a self-power-supply manner, safety pre-warning is provided for the expressway, and construction of the Internet of Things of the expressway is promoted.

The invention relates to the technical field of multi-dimensional force sensing, and specifically discloses a fiber grating-based double-cross beam three-dimensional force sensor, including an upper elastic disc, a lower elastic disc, a force transmission column and an optical fiber grating assembly; the upper elastic disc includes an internal The disc body I with a cavity and the plane strain beam I located in the cavity, the plane strain beam I has a cross-shaped structure and has four branch beams I; the lower elastic disc includes the disc body II with a cavity inside and the plane strain beam I located in the cavity The plane strain beam II in the cavity, the plane strain beam II has a cross-shaped structure and has four branch beams II; the lower end of the force transmission column is vertically connected to the center of the plane strain beam II, and the upper end passes through the through hole I, and the force transmission column There is clearance fit between the post and the through hole I; the fiber grating component includes a first fiber grating, a second fiber grating, a third fiber grating and a fourth fiber grating. The invention can resist electromagnetic interference, resist corrosion, reduce coupling between dimensions, increase sensitivity, and realize temperature compensation at the same time, and has a simple structure and is easy to process.

The invention discloses a remote monitoring system for Agaricus bisporus cultivation greenhouse based on the singular perturbation theory, which includes a greenhouse, a detection sensor group, an environment adjustment device, an LQR controller, a GPRS module, a monitoring gateway, a data forwarding repeater, a data Platform, high-definition camera and mobile terminal, the detection sensor group collects environmental parameters and transmits them to the LQR controller through the data forwarding repeater; the high-definition camera connects to the data platform through the TD‑LTE network; the LQR controller connects to the monitoring gateway through the GPRS module and controls the environment The adjustment device; the monitoring gateway is connected to the data platform; the mobile terminal is connected to the data platform through the TD-LTE network. The invention adopts wireless data collection and remote control mode in the environmental monitoring of the Agaricus bisporus cultivation greenhouse, solves the problems of complex wiring in the greenhouse and poor control stability, and has the characteristics of convenient control, high reliability and high precision.