The invention relates to an auxiliary tool of a Mesh network, the Mesh network, a network distribution method and a networking method. The auxiliary tool of the Mesh network comprises an SOC, a data interaction module, an antenna and a network interface; the Mesh network comprises the auxiliary tool of the Mesh network; the auxiliary tool of the Mesh network is accessed to a router of the internetthrough Wi-Fi or the network interface, and comprises a plurality of Mesh devices and an intelligent device used for configuring the auxiliary tool of the Mesh network; and the network distribution method and the networking method based on the auxiliary tool and the Mesh network are also disclosed. According to the auxiliary tool of the Mesh network, the Mesh network, the network distribution method and the networking method disclosed by the invention, the auxiliary tool will be a root node of a Wi-Fi Mesh network; network distribution agent, networking optimization, performance improvement and the like are provided for the Wi-Fi Mesh network; and thus, the performance and the stability of the Wi-Fi Mesh network are improved.

Auxiliary tool of Mesh network, Mesh network, network distribution method and networking method

The invention discloses a wireless ad-hoc network communication method with the advantages that simplicity and reliability are realized; the large-scale nodes can be accommodated. Nodes in the wireless ad-hoc network include one or a plurality of coordinators and a plurality of relays, and can comprise a plurality of terminal nodes, wherein each node only requires to record the self father node number and does not need to record the self son node number; the storage expenditure and the complexity degree of each node are greatly reduced; only two steps including requesting and reply exist in the network accessing process; the transferring is not needed, so that the network maintenance expenditure is very low; when a certain relay is abnormal, the sub node can immediately request to become the son node of other nodes; the son nodes of the son nodes of the other nodes cannot be influenced, so that the self heeling capability of the network is very good; the plurality of coordinators can realize the mutual backup and cooperated work for preventing the network interruption due to the abnormality of one coordinator. The wireless ad-hoc network communication method is very suitable for being applied to Internet of things requiring multi-stage relay and having a great number of low-power consumption nodes.

Wireless ad-hoc network communication method

The invention provides a two-dimensional position optical measurement system based on multi-linear-array CCD parallel splicing. The system is composed of a light source cooperative target, a shared objective lens, a light splitter lens group and a linear array CCD group. The light splitter lens group includes a plurality of light splitters arranged on an output path of the shared objective lens successively. The linear array CCD group includes a plurality of linear-array CCDs corresponding to the light splitters one by one; the linear-array CCDs and the light source cooperative target conjugate respectively by the respective light paths; a photosensitive surface of each linear-array CCD is located at a YOZ plane of a rectangular coordinate system and a photosensitive length direction is parallel to an OZ axis. During measurement, a to-be-measured object is fixedly connected with the light source cooperative target; the light source cooperative target carries out imaging on the linear array CCD group by the shared objective lens and light splitter lens group; and two-dimensional position measurement of the light source cooperative target is completed jointly by a first linear-array CCD, a second linear-array CCD, a third linear-array CCD, ... , and an Nth linear-array CCD. The provided system has advantages of low cost and high precision.

Two-dimensional position optical measurement system based on multi-linear-array CCD parallel splicing

The present invention provides a transformer partial discharge online detection system and method based on a wireless sensor, and relates to the technical field of electrifying detection. The objective of the invention is to solve the problem that monitored transformers are far away from one another and there are a lot of measurement lines in an actual transformer substation scene. An ultrasonic sensor and an ultrahigh frequency sensor are employed to collect data of the transformers, and a wireless communication protocol is employed to transmit the data to a background. Background personnel transfer abnormal signal data at any time to perform analysis to finally obtain a conclusion. The transformer partial discharge online detection system and method can solve the problems of partial discharge timeliness and the scene wired measurement wiring and can avoid the problem that the monitored transformers are far away from one another.

Transformer partial discharge online detection system and method based on wireless sensor

The invention relates to a networking method and apparatus, and a light control system. The networking method comprises the steps of executing scanning to obtain a beacon signal; judging whether parameters contained in the obtained beacon signal are matched with preset parameters of the router or the terminal or not; when the parameters contained in the obtained beacon signals are matched with preset parameters, establishing communication connection with a coordinator transmitting the beacon signals; wherein the routers are lighting equipment, the terminals are control switches used for controlling the routers to emit light, communication connection is established between the routers in communication connection with the coordinator, and communication connection is established between the routers in communication connection with the coordinator and the terminals. According to the embodiment of the invention, the lighting equipment and the control switch can be automatically matched withthe coordinator to access the network after being powered on.

Networking method and device and light control system

The invention provides a wireless network ad hoc system which comprises a host computer system, a coordinator, a router, a terminal and a user interface. The host computer system is used for distributing available wireless channels, adjusting wireless channels, and displaying the composition and the running state of a network in real time. The coordinator communicates with the host computer system, is the management device of wireless module communication, and is used for controlling networking and transmitting a network composition diagram and the state information of a network node to the host computer system. The router transmits, receives and forwards wireless network data, and transmits and receives user interface data. The terminal is used for transmitting and receiving the wireless network data and the user interface data. The user interface is an interface between the router and the terminal. The invention further provides a wireless network ad hoc method. The method and the system, which are provided by, the invention, have the advantages of flexible user configuration, high versatility and low cost.

Wireless network ad hoc system and method thereof

The utility model provides a small offset measurement system based on a linear array CCD, and the system comprises a light source, an optical lens, a CCD sensor, and a processing device. The light source enables a measured object to be mirrored to the CCD sensor through the optical lens. The output end of the CCD sensor is connected with the processing device, and the processing device supplies power to the light source through a power supply control module. The output ends of the processing device are a voltage output end and a signal output end. The voltage outputted by the voltage output end is within the range from 0 to 10V. The signal output end employs an RS interface for the output of a pulse signal. The system provided by the utility model adjusts the voltage of the light source through the pulse number, enables the light intensity of the light source not to change with the voltage fluctuation, external factors and other objective reasons, and improves the accuracy and reliability of measurement.

Small offset measurement system based on linear array CCD

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Wireless network ad hoc system and method thereof

Small offset measurement system based on linear array CCD