21 results about "Main channel" patented technology

The invention relates to a cross-channel intelligent marketing decision-making system and method based on dynamic user behavior mining, and relates to the technical field of marketing data processing, and the method comprises the steps: obtaining a multi-channel user behavior data sequence, constructing a multi-dimensional channel priority scoring system, and achieving the precise classification of a core channel and a long-tail channel. And based on user conversion path data, quantifying a correlation coefficient of the core channel and the main channel, and generating a dynamic budget allocation strategy and a content delivery strategy in combination with a priority score. And finally, based on the budget allocation strategy and the content delivery strategy of each channel, automatically adjusting the operation parameters of the corresponding channel. The problems of one-sided channel value evaluation, unquantized synergistic effect, strategy stiffness and the like in traditional marketing are effectively solved, and the marketing resource utilization rate and the user conversion efficiency are improved.

This disclosure provides methods, components, devices and systems for multi-primary channel access operation. Some aspects more specifically relate to improving the efficiency of multi-primary channel access schemes. In some implementations, the first wireless device may use multiple primary subchannels. A first wireless device may receive a first signaling indicating a first reservation of a first transmission opportunity (TXOP) for a second wireless device on a first primary channel. The first wireless device may obtain a second TXOP to transmit or receive, via a second primary channel, a second signaling indicating a second reservation of the second TXOP. The ending time of the second TXOP may occur prior to an ending time of the first reservation and prior to a transition delay associated with a communication event scheduled on the first subset of channels or a second subset of channels.

Embodiments of a method and apparatus for wireless communications are disclosed. In an embodiment, a wireless device includes a controller configured to determine backoff channels for a Basic Service Set (BSS) operating channel that include a primary channel and a non-primary channel access (NPCA) primary channel and a wireless transceiver configured to announce to a second wireless device the backoff channels of the BSS operating channel and to switch to the NPCA primary channel for communicating between the wireless device and the second wireless device.

The invention relates to a combustion control method for reducing boiler NOx generation amount based on an intelligent combustion model, which comprises the following steps: S1, basic data acquisition and intelligent combustion model construction, including full-dimension operation data acquisition and multi-algorithm fusion intelligent combustion model construction; s2, realizing real-time regulation and control based on dynamic combustion control of sensing data, including real-time monitoring and analysis of a temperature field and air-coal parameters, and generation and execution of a hierarchical regulation and control instruction of an intelligent combustion model; s3, according to the fed-back NOx concentration data, iteration and upgrading of the intelligent combustion model are controlled, including regulation and control effect feedback and NOx concentration verification, and model iteration and control strategy optimization; the method has the advantages that the uniformity of a temperature field is regulated and controlled, thermal NOX is inhibited from generating a main channel, the generation amount of the NOX is reduced, and meanwhile, the combustion stability is ensured.

The irrigation canal system comprises a main canal, a plurality of branch canals and a plurality of water distribution assemblies, the branch canals are sequentially arranged in the length direction of the main canal, one end of each branch canal communicates with the main canal, and the bottom face of each branch canal is higher than the bottom face of the main canal. The water distribution assemblies correspond to the branch channels in a one-to-one mode, each water distribution assembly comprises a baffle and a driving part, the baffles are installed at the junctions of the main channel and the branch channels and can slide relative to the main channel, and the sliding tracks of the baffles are provided with first positions separated from the main channel. The bottom end of the second position is attached to the inner wall of the main channel, and the top end is aligned with the bottom surfaces of the branch channels. By means of the irrigation canal system, after the upstream branch canal draws water and the water level of the main canal drops, the subsequent branch canal can still smoothly draw water, and it is avoided that water drawing operation of the downstream branch canal is affected by water drawing of the upstream branch canal.

Provided is a communication device, wherein with a communication means which performs communication with another communication device by a first channel access method that uses at least a predetermined primary channel in one link and by a second channel access method that does not use the primary channel if the primary channel is in a busy state and uses a non-primary channel different from the primary channel among a plurality of channels included in the link, if the primary channel becomes available in a period in which communication with a first communication device by the second channel access method is being executed, first control for causing the operating state of the communication device for the primary channel to transition to a predetermined state, second control for causing the state of the primary channel to transition to a predetermined state, third control for sending a predetermined signal to the first communication device that is executing communication using the non-primary channel, or fourth control for ending the communication with the first communication device by the second channel access method is executed.

This disclosure provides methods, components, devices and systems for announcing opportunistic primary channel switching. Various aspects generally relate to a channel switch announcement (CSA) element that may announce an opportunistic primary (O-Primary) channel switch. Various aspects relate more specifically to an expanded channel switch mode field of a CSA element that may indicate whether a wireless station (STA) is permitted to transmit via the first O-Primary channel during the switch, whether a new operating class field is present in the CSA element, and an index associated with the switched O-Primary channel. In some aspects, the CSA element may be a separate information element, or an element defined within a non-primary channel access (NPCA) wrapper. The AP may transmit the CSA element via a beacon frame, a probe response frame, or a dedicated channel switch announcement frame.

This disclosure provides methods, components, devices and systems for announcing opportunistic primary channel switching. Various aspects generally relate to a channel switch announcement (CSA) element that may announce an opportunistic primary (O-Primary) channel switch. Various aspects relate more specifically to an expanded channel switch mode field of a CSA element that may indicate whether a wireless station (STA) is permitted to transmit via the first O-Primary channel during the switch, whether a new operating class field is present in the CSA element, and an index associated with the switched O-Primary channel. In some aspects, the CSA element may be a separate information element, or an element defined within a non-primary channel access (NPCA) wrapper. The AP may transmit the CSA element via a beacon frame, a probe response frame, or a dedicated channel switch announcement frame.

The invention relates to the technical field of regulation and control gates, in particular to a farmland water diversion port regulation and control gate structure which comprises a lower movable gate, an upper fixed gate, a gate frame, a fixator, a chain and a fixing rod. The gate frame is fixed at the boundary of the main channel and the side channel, and the contact surface is sealed by glass cement; the upper fixed gate is in rigid connection with the gate frame, the lower movable gate is in sliding fit with the gate frame in the vertical direction through a sliding rail in the gate frame, and the lower movable gate is 2-3 cm longer than the upper fixed gate; the chain is composed of a plurality of closed chain rings and fixed to the top of the lower movable gate through a fixator, and the top end of the chain is connected with a pull ring. The fixed rod is vertically installed on the upper portion of the gate frame, and the pull ring is sleeved with the fixed rod to lock the opening degree of the lower movable gate. A stilling pool and an apron are arranged on the downstream of the side channel, and the apron is laid by masonry. According to the method, the channel water distribution and water resource utilization efficiency can be improved, and the channel irrigation accuracy is enhanced.

The utility model relates to the technical field of water conservancy channel diversion, and provides a water conservancy channel diversion structure which comprises a main channel, two diversion channels, two adjusting mechanisms and a filtering mechanism, the two diversion channels are both communicated with the main channel, the two adjusting mechanisms are both arranged in the main channel, and the filtering mechanism is arranged in the main channel. The flow adjusting mechanism is arranged in the main channel and used for adjusting the flow in the flow dividing channel, the filtering mechanism is arranged in the main channel and used for filtering a water source, and the adjusting mechanism comprises an adjusting plate, a transmission plate, a sliding rod and a driving assembly. And when the flow needs to be independently adjusted, the flow dividing work is difficult to be effectively completed.

This communication device sets an NAV in a primary channel when another communication device acquires a transmission opportunity in the primary channel. The communication device determines a backoff parameter of a secondary channel on the basis of at least a backoff counter which corresponds to a waiting time in the primary channel, attempts to acquire a transmission opportunity in the secondary channel by using the determined backoff parameter, and attempts to transmit data. When a waiting time corresponding to an AIFS period is included in a backoff parameter of the primary channel, the communication device determines a backoff parameter of the secondary channel on the basis also of the waiting time corresponding to the AIFS period.

The invention discloses a constant temperature control device and a constant temperature control method for cooling water in a blow molding workshop, and relates to the technical field of fluid temperature control systems.The constant temperature control device comprises a main shell, a temperature control cavity used for heating and cooling fluid is inwards formed in the position, located at the water inlet end, of the main shell, and a main channel is transversely formed in the position, located at the top of the temperature control cavity, of the main shell; the main shell is provided with a diversion port downwards in the middle of the main channel, the main shell is provided with an intercepting block at the bottom of the diversion port, the upper end and the lower end of the intercepting block are provided with a water inlet and a water outlet for receiving fluid respectively, and the port of the side, adjacent to the water outlet, of the water inlet is provided with a diversion shell in a butt joint mode; a spiral water tank convenient for gas-liquid separation is arranged in the shunting shell; the main shell is provided with an auxiliary channel at the bottom of the water outlet, and the tail end of the auxiliary channel away from the water outlet is provided with an on-off valve. Fluid is automatically adjusted according to the pipeline temperature, the fluid flow is controlled to form constant temperature during adjustment, and gas generated at high temperature is separated from the fluid.

To efficiently cool a battery without accumulating a coolant.SOLUTION: A battery cooling device of the present invention is used for a battery mounted onto a vehicle, and includes: a first main channel in which a coolant entering from an inflow part flows; a second main channel in which the coolant flows to an outflow part where the coolant flows out; and a sub-channel that is connected to the first and second main channels between the first main channel and the second main channel, and where the coolant flowing in from the first main channel flows out to the second main channel. The plurality of sub-channels are arranged between the first main channel and the second main channel. Each of the sub-channels reciprocates between the first main channel and the second main channel at least once. In the sub-channel that is farthest from the inflow part, one end is connected to a terminal on a downstream side in a circulation direction of the coolant in the first main channel, and / or the other end is connected to a terminal on an upstream side in the circulation direction of the coolant in the second main channel.SELECTED DRAWING: Figure 4B

The utility model discloses a V-shaped diversion grit chamber which comprises a grit chamber body, a discharge channel and a main channel are fixedly connected above the rear side of the grit chamber body, a flow speed increasing mechanism is arranged below the main channel, and the flow speed increasing mechanism comprises the main channel, a branch drainage channel and the grit chamber body. Branch drainage channels are arranged below the main channel in a bilateral symmetry mode. According to the V-shaped flow guide grit chamber, sewage of a main channel can be divided into two parts by arranging the flow speed increasing mechanism, decentralized grit is conducted, the sewage flow speed is increased by changing the channel width and the channel bottom slope, then the rotating speed of the rotational flow grit chamber is increased, the grit chamber efficiency is improved, meanwhile, the convenient-to-clean mechanism is arranged, and the collecting box is arranged in the grit chamber, so that the cleaning is convenient. By stretching and moving the collecting box, settled sand in the collecting box can be quickly cleaned, and in addition, a supporting mechanism is arranged, so that a sewage discharging channel can be firmly supported, and the risk that the channel topples over is avoided.

The utility model discloses provide a kind of water distribution structure for small irrigation channel, it is related to hydraulic engineering technical field, comprising: main channel, the one side of main channel is equipped with water distribution mouth, the top of water distribution mouth is open;Light weight gate, the light weight gate is located at water distribution mouth, and the top of water distribution mouth is equipped with operation platform;The periphery of water distribution mouth has the slot for the insertion of the light weight gate, the downstream side and the bottom of the slot are both laid with rubber seal, and the light weight gate can extrude rubber seal, to close water distribution mouth. Adopt this scheme, can be conveniently operated in small irrigation channel, and water intake can be freely controlled, and effectively prevent water seepage.

The invention relates to a two-stage speed controller comprising a main body (10) having a first port (15) and a second port (16) connected to each other, as well as a main channel (11) and a secondary channel (40) for a fluid (A), wherein the secondary channel (41) allows only one-way flow to a pressure storage chamber (13), wherein a sliding shaft base (14) is provided in the second port (16), wherein one end of the sliding shaft arrangement (20) can form a valve (50) with the sliding shaft base (14), wherein the pressure storage chamber (13) is connected to a main throttle channel (12) and the sliding shaft arrangement (20) is provided with a secondary throttle channel (231) in the transverse direction.At the air inlet and air outlet, the regulation of the elastic force by a control arrangement (30) in conjunction with the channels and the movement of the valve can control the fluid pressure, thereby controlling the movement speed of the cylinder connected to the main body (10), so that the purpose of buffering for the air outlet at the second port (16) is achieved.

The present invention discloses a constant temperature control device and a constant temperature control method for cooling water in a blow molding workshop, which relates to the field of fluid temperature control system technology, and includes a main shell, the main shell is located at the water inlet end and is provided with a temperature control cavity for heating and cooling the fluid, the main shell is located at the top of the temperature control cavity and is provided with a main channel horizontally; the main shell is located in the middle of the main channel and is provided with a diversion port downwardly, the main shell is provided with an interception block at the bottom of the diversion port, the upper and lower ends of the interception block are respectively provided with a water inlet and a water outlet for receiving the fluid, the port on the side adjacent to the water inlet and the water outlet is docked with a diversion shell, and a spiral water tank for gas-liquid separation is provided in the diversion shell; the main shell is located at the bottom of the water outlet and is provided with a secondary channel, and an opening and closing valve is provided at the end of the secondary channel away from the water outlet. The present invention automatically adjusts the fluid according to the pipeline temperature, and controls the fluid flow to form a constant temperature during the adjustment, and separates the gas generated by the high temperature from the fluid.

This application discloses a load balancing method, apparatus, device, and medium based on adaptive concurrency control, relating to the field of distributed system technology. It addresses technical problems in existing load balancing strategies, such as excessive load or even crashes on the primary channel, or high latency on backup channels leading to high overall response latency. The method includes: calculating the average latency of channel requests and determining the number of concurrent requests being processed by the channel based on request information within a real-time concurrency threshold adjustment period; adaptively adjusting the current concurrency threshold of the current channel based on the average latency of channel requests; traversing the channels in the channel set using an adaptive scheduling mechanism to determine the target channel, and sending the current request information to the target channel.

This disclosure provides methods, components, devices and systems for multi-primary channel access operation. Some aspects more specifically relate to improving the efficiency of multi-primary channel access schemes. In some implementations, the first wireless device may use multiple primary subchannels. A first wireless device may receive a first signaling indicating a first reservation of a first transmission opportunity (TXOP) for a second wireless device on a first primary channel. The first wireless device may obtain a second TXOP to transmit or receive, via a second primary channel, a second signaling indicating a second reservation of the second TXOP. The ending time of the second TXOP may occur prior to an ending time of the first reservation and prior to a transition delay associated with a communication event scheduled on the first subset of channels or a second subset of channels.

The utility model provides an integrated domestic sewage treatment device. The integrated domestic sewage treatment device comprises filtering equipment and treatment equipment connected to the filtering equipment, the treatment equipment comprises a box body, and a contact oxidation tank, a sedimentation tank, a disinfection tank, a sludge tank and a water outlet tank which are separately arranged in the box body, and the filtering equipment comprises a water inlet channel, a filtering channel connected to the water inlet channel, and an adjusting tank connected to the filtering channel; the filtering channel comprises a main channel, an auxiliary channel and filtering pieces arranged on the main channel and the auxiliary channel respectively, a treatment opening is formed in one side of the main channel, inserting pieces are installed on the treatment opening, the main channel and the auxiliary channel respectively, the inserting pieces are matched with baffles, and the baffles are arranged on the main channel and the auxiliary channel respectively. The main channel and the auxiliary channel are connected in an inserted mode to switch the working state of the main channel and the working state of the auxiliary channel, when the auxiliary channel works, only the baffle is inserted into the main channel, and the convenience of the integrated treatment device is improved.

The utility model discloses a water diversion and drainage device for an irrigation and water conservancy foundation, and particularly relates to the technical field of irrigation and water conservancy, the water diversion and drainage device comprises a foundation, a main channel is arranged on the foundation, the main channel is connected with two branch channels, a supporting frame is installed at the joint of the two branch channels, and an opening and closing control mechanism is supported on the supporting frame. Second sealing blocks are arranged on the two sides of the bottom end of the opening and closing control mechanism, first sealing blocks are arranged on the inner walls of the two sides of the main channel, a pushing assembly is arranged on one side of one first sealing block, a fixing beam is arranged at the joint of the two branch channels, and the supporting frame is fixed to the fixing beam. The two second sealing blocks are also installed on the fixed beam, one side of each second sealing block is provided with a binding face, and the binding faces and the faces of the corresponding second sealing blocks are located on the same plane. The utility model has the advantages that the opening and closing of the branch channels can be controlled, the sealing performance of plugging can be improved, water leakage is avoided, and the waste of water resources is reduced.