44results about How to "Implement auto-join" patented technology

The invention provides a Wi-Fi connection control method and system. A user terminal synchronously joins a Wi-Fi Aware network built by a Wi-Fi AP, monitors a service discovery frame periodically broadcast by the Wi-Fi AP in the Wi-Fi Aware network, then scans a beacon frame periodically broadcast by the nearby Wi-Fi AP, and determines whether parameter information of the beacon frame exists in aparameter information group of the service discovery frame; and if existing, the user terminal accesses to a hot spot of the Wi-Fi AP. The method and the system can realize signaling interaction between a smart phone and a store router so that the smart phone is automatically and securely connected to the store router, and can detect a phishing router that may exist in the store, thereby preventing a user from accessing to the phishing router to avoid unnecessary loss of the user.

The invention discloses a wireless environment vibration processing module based on Zigbee technology, the monitoring node, and the monitoring system thereof. The wireless environment vibration processing module comprises a microprocessor, a power supply management circuit and a radio frequency module; the microprocessor is connected with both the power supply management circuit and the radio frequency module; and an input and an output interface are disposed on the microprocessor. An AD converter, a signal conditioning circuit and a environment vibration sensor can also be disposed to monitor directly. The wireless environment vibration monitoring node is composed of wireless environment vibration processing modules, or wireless environment vibration processing modules and conventional environment vibration monitoring instruments, can acquire, monitor and transmit the environment vibration data. The wireless environment vibration monitoring system is composed of a controlling computer or gateway computer and the wireless environment vibration monitoring nodes. The invention expands the function of conventional vibration measuring instrument, can be operated by remote controlling, and can realize real time synchronous monitoring and data automatic acquiring, analyzing and processing to environment vibration.

The invention relates to an Ethernet information real-time transmission method and device. The method comprises the following steps: respectively assigning a different protocol address for each node in a network, selecting any node in the network as the current node, broadcasting normal information through the current node, judging whether each of all nodes except the current node in the network is the target node respectively through a target address in the normal information, and judging whether each of all nodes except the current node is the node waiting for sending the information next time through a source address in the normal information, setting difference value between the protocol address of the node waiting for sending the information next time and the protocol address of the current node as a constant value, and using the node waiting for sending the information next time as the current node to continuously send the information. The device comprises an address distribution module, an information-sending module, a judgment processing module and a privileged module. The invention provides a high priority information, and the real-time of a key message can be guaranteed while the real-time of a normal message is considered.

The invention discloses metal electroslag remelting and smelting equipment comprising a crystallizer and an upright post, wherein the whole crystallizer is furnace-shaped and is located in a crystallizer mounting groove; and the upright post is located at one side of the crystallizer mounting groove, a horizontal cantilever is arranged above the upright post and is provided with an electrode dead against the crystallizer by virtue of an electrode holder, and the electrode downwards extends to enter the crystallizer. The metal electroslag remelting and smelting equipment is characterized by also comprising an automatic auxiliary material feeding device located at the side of the crystallizer, wherein the automatic auxiliary material feeding device comprises a discharging part structure and a power control part structure. The metal electroslag remelting and smelting equipment has the advantages that the structure is simple, auxiliary materials can be automatically fed during smelting, the auxiliary material feeding control process is stable and reliable, and the smelting effect is good.

The invention relates to a wireless ad hoc network method, a wireless monitoring device, a wireless storage device and a medium, which are used for solving the problem that nodes outside the coveragerange of a central node cannot automatically join an ad hoc network in a primary network distribution process in related technologies. The method comprises the steps that a first node receives a firstnetwork distribution message of a center node, the first network distribution message is used for indicating the first node to start a network distribution process, and the first node is a node in network connection with the center node; the first node judges whether the first node starts a relay function or not; and the first node starts a network distribution process under the condition of judging that the relay function of the first node is started. According to the invention, the beneficial effect that other nodes automatically join the wireless ad hoc network is realized.

The invention discloses a sputum suction exercise simulating device for nursing teaching. The device comprises a simulation model human body and a simulation system. The simulation system is characterized in that: the simulation system comprises a rollover flap back detection device, a sputum suction detection device, a sputum feeding device, an operation panel and a control system. The turning back detection device comprises a flat plate, a side support plate, a rotating shaft, a ratchet wheel, a pawl, a stopping pawl, a pawl acting spring, a stopping pawl acting spring, a turning angle sensor, two back pressure sensors, a back overpressure indicator lamp and a turning back time-out indicator lamp. The sputum suction detection device comprises a sputum suction device, an oral sputum suction tube, a nasal cavity sputum suction tube, a distance sensor, a distance overrun indicator lamp and a sputum suction overtime indicator lamp. The sputum replenishing device comprises a sputum liquidstorage bottle, a liquid supply pump, two lung replenishing tubes and a respiratory tract replenishing tube. The sputum replenishing device comprises a sputum storage bottle, a liquid supply pump, two lung replenishing tubes and a respiratory tract replenishing tube. The invention can be used for sputum suction practice simulation teaching and real-time operation monitoring, and prompts in time when the operation is wrong, so that the teaching quality can be greatly improved.

The invention relates to the technical field of modified plastic production equipment, in particular to a full-automatic negative pressure material supplying system. The full-automatic PVC powder concentrated negative pressure material supplying system comprises a conveying pipeline, a plurality of high-speed mixers arranged on an extrusion production line, and a controller used for controlling the supplying amount of PVC powder; the conveying pipeline conveys the PVC powder to the high-speed mixers; and the full-automatic PVC powder concentrated negative pressure material supplying system further comprises a concentrated material storage device and a plurality of automatic distribution devices for conveying the PVC powder towards the high-speed mixers under the vacuum negative pressure action. Materials packaged in ton bags are added into the concentrated material storage device, the concentrated material storage device conveys the PVC powder towards the multiple automatic distribution devices, the materials are added into a weighing bin according to the weight set by a control system by controlling the rotation speed of distribution screw rods, then after it is determined that the adding weight of the materials is correct according to the reading feedback of a weighing instrument in the weighing bin, the materials inside the weighing bin are added into the high-speed mixers,and thus automatic supplying of the powder materials is achieved.

The invention relates to a system for intelligently optimizing IF steel top slag, which comprises a material weighing system, a material adding system and a process control system, wherein the material weighing system includes a storage bin, a storage bin switch, a weighing hopper and a weighing hopper switch; the material adding system includes a conveyor belt and a rotary chute; the process control system includes a computer, a weighing hopper PLC and a storage bin switch PLC, a weighing hopper switch PLC, a conveyor belt PLC, a rotary chute PLC and a signal feedback PLC which are electrically connected with the computer; and the signal feedback PLC is connected with the weighing hopper PLC and a converter production control system at the same time. The invention further provides a method for intelligently optimizing the IF steel top slag by adopting the system, which can realize automatic calculation for lime and aluminum slag for IF steel top slag modification and automatic addingof a top slag modifier, thereby reducing the manual labor intensity, shortening the detection time, improving the modification accuracy, and ensuring efficient and stable production of the converter.

The invention discloses an information processing method and device based on instant messaging, equipment and a storage medium. The information processing method based on instant messaging comprises the following steps: acquiring a friend adding request, wherein the friend adding request includes an original user list associated with a system identifier, and the original user list includes a useridentifier of at least one user, organization identifiers corresponding to the user identifiers and position information; entering an instant messaging interface corresponding to the system identifierbased on the system identifier; displaying instant messaging groups corresponding to the organization identifiers on the instant messaging interface based on the organization identifiers; and determining friend lists corresponding to the user identifiers according to the position information in the same instant messaging group, and adding friends in batches based on the friend lists. Through adoption of the method, a large number of users are automatically added into corresponding user friend lists through an instant messaging platform, and the efficiency in adding friends in batches is increased for the users.

The invention discloses a wind source type multi-bin automatic food material feeding electric rice cooker. The wind source type multi-bin automatic food material feeding electric rice cooker comprisesan electric rice cooker main body, wherein the electric rice cooker main body is internally provided with a rice feeding mechanism; the rice feeding mechanism comprises multi-bin type rice bins, a rice bin rice outlet device, a wind source type food material conveying mechanism and a food material launching mechanism, and food materials inside the multi-bin type rice bins flow into the wind source type food material conveying mechanism through the rice bin rice outlet device and are launched into an inner container after being conveyed by the wind source type food material conveying mechanismto enter into the food material launching mechanism; or, the rice feeding mechanism comprises multi-bin type rice bins, a rice bin rice outlet device and a wind source type food material conveying mechanism, and food materials inside the multi-bin type rice bins flow into the wind source type food material conveying mechanism through the rice bin rice outlet device and then are launched into theinner container. The wind source type multi-bin automatic food material feeding electric rice cooker can realize that food materials are automatically fed into the interior of the electric rice cooker, automatic feeding in batches for different food materials can be realized, the food materials are avoided from being soaked for too much time in water to influence quality and taste, and the diversity and functionality of food materials cooked by the electric rice cooker are greatly improved.

The invention belongs to the technical field of secondary lead production, and particularly relates to a lead refining and recycling system which comprises a furnace body, a storage bin and a discharging mechanism. A discharging channel communicates with the upper portion of the furnace body, the discharging mechanism comprises a discharging part and a motor, and a connecting shaft is arranged atthe rotating center of the discharging part; a stirring mechanism is arranged in the storage bin and comprises a rotating shaft and a stirring shaft, a strip-shaped through groove is formed in the stirring shaft, and a plurality of through holes communicated with the strip-shaped through groove are formed in the stirring shaft; a transmission mechanism is arranged between the connecting shaft andthe rotating shaft; a flue is arranged on the furnace body, and one end of the flue extends into a cavity of the rotating shaft; a recovery channel is arranged at the upper part of the storage bin, and an air exhaust mechanism is arranged on the recovery channel; and the discharge end of the recovery channel is sequentially connected with a waste heat recovery mechanism, a dust removal mechanism,an alkali removal mechanism and an acid removal mechanism. According to the lead refining and recycling system, heat in high-temperature flue gas can be effectively recovered and utilized, and the problems that an existing lead reduction device is low in heat efficiency, and flue gas waste heat cannot be effectively utilized are solved.

The invention discloses a production method and production equipment of an organic electrolyte of a lithium ion battery. The production method comprises the steps of 1, preparing an electrolyte organic solvent in a solvent mixing tank; 2, conveying the electrolyte organic solvent in the solvent mixing tank to a pipeline according to a set flowing speed and enabling the pipeline to be immersed intoa freezing medium of a cooling system, wherein the pipeline is at least provided with a curve, and lithium salt adding openings are formed in the pipeline; and 3, when it is detected that the temperature of the electrolyte organic solvent is lowered to be minus 5 to 0 DEG C, adding lithium salt through the lithium salt adding openings, and after the lithium salt is dissolved, obtaining the organic electrolyte of the lithium ion battery. By virtue of the production method, the dissolving speed of the lithium salt is greatly improved, production efficiency is improved, agglomeration and deposition of the lithium salt also can be prevented, adaptivity on the lithium salt in the production process is improved, production cost is lowered and the cooling effect is improved.

The invention provides an asphalt foam warm mixing system and an asphalt foam warm mixing process. The asphalt foam warm mixing system comprises a water metering device, a foam stabilizer adding device, an asphalt metering device and a foaming pipe. The water metering device comprises a water tank, a water pump and a water flow meter; the water tank, the water pump and the water flow meter are connected into the foaming pipe by pipelines; the foam stabilizer adding device comprises a foam stabilizer storage tank, a foam stabilizer pump and a foam stabilizer flow meter; the foam stabilizer storage tank, the foam stabilizer pump and the foam stabilizer flow meter are connected into the foaming pipe by pipelines; the asphalt metering device comprises an asphalt tank, an asphalt pump and an asphalt flow meter; the asphalt tank, the asphalt pump and the asphalt flow meter are connected into the foaming pipe by pipelines. According to the technical scheme, the asphalt foam warm mixing systemand the asphalt foam warm mixing process have the advantages that foam stabilizers can be automatically added into the asphalt foam warm mixing system; the corresponding flow control meters are addedto various portions in the asphalt foam warm mixing system, accordingly, the addition proportions of various raw materials can be accurately controlled during asphalt foam warm mixing, good asphalt foam warm mixing effects can be realized by the aid of the asphalt foam warm mixing system and the asphalt foam warm mixing process, and foam asphalt prepared by the aid of the asphalt foam warm mixingsystem and the asphalt foam warm mixing process is stable in performance.

The invention discloses an automatic feeding device for auxiliary materials for electroslag smelting. The automatic feeding device is characterized by comprising a discharging part structure and a power control part structure, wherein the discharging part structure comprises a rack arranged at the side of a crystallizer, the upper end of the rack is provided with a pair of belt pulleys along the horizontal direction, the belt pulleys are annularly sleeved by a conveying belt, one end of the conveying belt is located above the crystallizer, and the other end of the conveying belt is far away from the crystallizer; and the power control part structure comprises a horizontal cantilever lifting mechanism and a linkage control mechanism, wherein the linkage control mechanism is connected between a horizontal cantilever and the discharging part structure and is used for realizing linkage control on the discharge of the discharging part structure by virtue of the lifting of the horizontal cantilever. The automatic feeding device has the advantages that the structure is simple, the auxiliary materials can be automatically fed during smelting, the auxiliary material feeding control process is stable and reliable, and the smelting effect is good.

The invention discloses an automatic system for analysis pretreatment on nitrate nitrogen and oxygen isotope samples. The automatic system comprises a support base frame, a worktable, a support frame,a liquid adding box, a feeding mechanism, a plurality of shakers and a three-dimensional mechanical arm. The worktable is fixed to the support base frame. The shakers are fixed to the worktable. Thesupport frame is fixed on the periphery of the support base frame. The feeding mechanism is fixed to the support frame. The feeding mechanism is located above the worktable. The liquid adding box is fixed to one side of the support base frame. The three-dimensional mechanical arm is installed on the worktable. The three-dimensional mechanical arm is provided with a needle sleeve rod. A liquid supply port of the liquid adding box is communicated with a liquid inlet of the needle sleeve rod through a hose. The structure can greatly improve the efficiency of analysis pretreatment on the nitrate nitrogen and oxygen isotope samples and can prevent the health hazard and safety hazard to the operator.

The invention belongs to the technical field of regenerated lead production, and particularly relates to a lead particle and lead paste smelting reduction device. A furnace body, a storage bin and a discharging mechanism are included. The lower portion of the storage bin is connected with a discharging channel, and the discharging channel communicates with the upper portion of the furnace body. The discharging mechanism comprises a discharging piece and a motor driving the discharging piece to rotate. A connecting shaft is arranged at the rotation center position of the discharging piece. Thedischarging piece can block the discharging channel, and in the discharging piece rotation process, materials can be conveyed to the furnace body. A stirring mechanism is arranged in the storage bin and comprises a rotation shaft and a stirring shaft fixed to the rotation shaft. A strip-shaped groove is formed in the stirring shaft. The stirring shaft is provided with a plurality of through holes.A transmission mechanism is arranged between the connecting shaft and the discharging shaft. The furnace body is provided with a flue, and one end of the flue stretches into a cavity of the rotationshaft and is rotationally connected with the rotation shaft. The smelting reduction device in the scheme can effectively recycle heat in high-temperature smoke, and the problems that an existing leadreduction device is low in heat efficiency, and smoke waste heat cannot be effectively utilized are solved.

The invention discloses full-automatic intelligent cooking equipment for food materials and belongs to the field of food processing. The equipment comprises a rack, wherein a hot water tank and a conveying tank which are communicated in the length direction are arranged in the rack; the conveying tank gradually inclines upwards from the hot water tank, the side, away from the hot water tank, of the conveying tank is open, a conveying wheel is arranged on the top surface, away from the conveying tank, of the hot water tank, a conveying wheel is arranged under the open side of the conveying tank, a conveying wheel is arranged at the end, away from the conveying tank, of the lower part of the hot water tank, a conveying wheel is also arranged at the end, close to the conveying tank, below thehot water tank, all the conveying wheels are arranged in the width direction of the rack in parallel, and a conveying belt winds around all conveying wheels; dragging rods are arranged on the rack and corresponding to the opening of the hot water tank; the conveying tank comprises a conveying pipe, a flow control valve, a fixing ring, a suction cylinder, an air inlet and a collecting tank. By means of the conveying belt capable of moving in the hot water tank, automatic feeding of raw materials and automatic output of finished products are achieved, and flow control is performed.