119results about How to "Guaranteed usage time" patented technology

The invention discloses a filter unit for a dark pipe for saline-alkali soil. The filter unit comprises a pervious layer, a dressing layer and a water filtering layer, the pervious layer is wrapped with the dressing layer, and the dressing layer is composed of PVC or PE prilling materials with the diameters ranging from 0.5 cm to 0.6 cm; the dressing layer is wrapped with the water filtering layer. According to the technology, the water filtering layer formed by thick sand and straw serves as a main filtering layer, so that large particles and sludge can be effectively blocked; the dressing layer serves as an auxiliary layer so as to further filter water flow flowing through the water filtering layer, and then water enters the dark pipe through the pervious layer, so that small particles can be effectively prevented from entering the dark pipe, and blocking is prevented; the straw and the thick sand are adopted, so that material selection is convenient, and the cost is reduced; the straw rotting speed is low, the effective using time can be guaranteed, supplementing is convenient, and soil can be improved after straw rots.

The invention discloses a wireless earphone charging control method and a wireless earphone charging device. The method comprises the following steps: the remaining use time acquisition step: respectively acquiring the remaining use time of each earphone and a charging box; and the charging control step: comparing the remaining use time of each earphone with the remaining use time of the chargingbox and performing charging control on the earphone according to the comparison result. According to the wireless earphone charging control method, charging the earphone under the condition that the remaining use time of the earphone is greater than the remaining use time of the charging box can be avoided by adopting the mode of comparing the remaining use time of each earphone and the charging box, thus ensuring the most basic use of the earphone. In addition, the scheme adopts the method of comparing the remaining use time of each earphone and the charging box so that the remaining use timeof the two earphones is consistent or close, i.e. the working time is synchronized and the synchronous working time of the two earphones can be maximally prolonged.

The invention discloses a sterilizing toilet cleaning block which is prepared from raw materials comprising macromolecule adhesive, bactericide, dye, a surface active agent and cleaning auxiliary agent. The bactericide adopts nonoxidative bactericide. The sterilizing toilet cleaning block consists of nonoxidative bactericide and dye; and the dye can not discolor or fade when in use, and the sterilizing toilet cleaning block has higher sterilizing effect.

The invention discloses an efficient adaptive robot for mountain forest. The efficient adaptive robot comprises a mounting plate, a two-way electric push rod is fixedly mounted in the middle of the bottom face of the mounting plate, T-shaped frames are fixedly mounted at the two ends of the two-way electric push rod, connecting plates are welded to the two ends of each T-shaped frame, and clamping wheels are movably mounted at one ends of the connecting plates; and the outer sides of the two clamping wheels are connected through a crawler belt, a rotating shaft is movably installed in one end of the driving shaft, and a pushing column is installed at one end of the rotating shaft through a screw.Compared with the prior art, the robot disclosed by the invention has the beneficial effects that the two-way electric push rod, the T-shaped frame, the clamping wheels, the crawler belt and the circular wheels are used, round wheels can be used on a smooth zone and a road surface, moving operation of the robot is facilitated, the moving speed of the robot on the smooth zone and the road surface is increased, damage to the road surface during walking of a crawler belt is avoided, the crawler belt is used on an uphill zone and an unsmooth zone, the road holding force of the robot is increased, and the robot can conveniently uphill and walk.

The invention relates to a touch filtering type power-saving remote controller. The touch filtering type power-saving remote controller comprises a remote controller shell (1), a circuit board (2), a power supply (3), at least one key (4), at least one keycap (5), at least one pressure sensor (8), a control module (6), and an electrically controlled circuit breaker (7) and a filter circuit (9) respectively connected with the control module (6). Based on the designed technical scheme, the above modules are connected with one another to form the touch filtering type power-saving remote controller, a smart power supply scheme is realized for the remote controller, power loss caused by the fact that the power supply (3) provides power to the remote controller for a long time is avoided, and service time of the remote controller is guaranteed.

The invention relates to a submersed nozzle slag line automatic control method based on molten steel superheat degree. The method is characterized by comprising the following steps that 1, the submersed nozzle slag line position is determined; and 2, a slag line automatic control technology is conducted. According to the scheme, the submersed nozzle slag line position is accurately calculated andtracked and automatically and dynamically tracked and adjusted according to the tundish superheat degree at the same time, the using time of the same slag line is taken into account, therefore, the problem that in an original slag line control technology, the continuous casting blank defect occurrence rate rises due to the fact that slag line position measurement is not accurate, and dynamic adjustment is not conducted according to the superheat degree changes is solved, the using time of the same slag line scale is guaranteed at the same time, and the service life of a submersed nozzle is prolonged.

The invention relates to a device for actively tracking specific data on systems or the components of a metallurgical system, characterized in that at least one readable and writable memory medium for the specific data is fixedly connected to each component, and the specific data are modifiable periodically and / or on the basis of input. In addition, the invention relates to a metallurgical system, in particular an integrated foundry or a mini-mill, comprising at least one device according to the invention. Finally, the invention relates to the use of at least one device according to the invention in an electric steel mill or a converter steel mill and / or in systems of secondary metallurgy and / or in casting plants, in particular continuous casting machines, and / or in molten steel transport units and / or in furnace systems and / or in hot and cold rolling mills and / or in rolled stock treatment systems, in particular strip treatment systems.

The invention discloses a voltage stabilizer free of electric arc voltage regulation. The voltage stabilizer comprises a single chip microcomputer processor, a voltage detecting module, an output regulating relay group, a voltage regulating relay converter module, a power supply module, and a transformer, wherein the voltage regulating relay converter module comprises electric supply controllable silicon driven by an output signal of the single chip microcomputer processor, output controllable silicon and a converter relay; an input end of the transformer is accessed to electric supply, and an output end of the transformer is used as an output end of a live wire of the voltage stabilizer. By improving the original transformer switching mode, the product disclosed by the invention is combined with the relay through the controllable silicon, the function of the voltage stabilizer is realized by switching between the transformer output and the electric supply bypass, and the generation of electric arc is reduced and even avoided, so that the power of the voltage stabilizer is remarkably improved, the service life of the relay is greatly prolonged, and the whole-machine service time is guaranteed very well.

The invention provides an air adsorption purification system in an air separation device, and relates to the field of chemical engineering. The air adsorption purification system comprises a first adsorption tower, a second adsorption tower, a heat exchanger and a PLC control system, wherein the first adsorption tower and the second adsorption tower are connected in parallel; a CO2 detector is arranged at the outlet end of each of the first adsorption tower and the second adsorption tower; the inlet end of the heat exchanger is connected with waste nitrogen; the outlet end of the heat exchanger is connected in series with the first adsorption tower and the second adsorption tower; and the PLC control system controls the switching of the first adsorption tower and the second adsorption tower based on CO2 content data detected by the CO2 detector. Through the application of the PLC control system, the control points of access and output of the DCS system are reduced; the workload of DCSoperators is reduced; the mistake making probability of personnel is avoided; and the system reliability is improved.

The invention relates to a grasping type touch-based delayed remote control comprising a remote control shell (1), a circuit board (2), a power supply (3) and at least one key. The remote control further comprises two pressure plates (7), at least two springs (6), at least two groups of control contacts, a control module (4), and an electrically-controlled circuit breaker (5) and a timing circuit (10) which are connected with the control module (4). Based on the technical scheme designed by the invention, the modules are connected to form the grasping type touch-based delayed remote control, an intelligent power supply scheme for the remote control is realized, power loss caused when the power supply (3) supplies power to the remote control for a long time is avoided, and the using time of the remote control is ensured.

The invention belongs to the technical field of airplane outfield maintenance guarantee, and relates to a portable radar signal simulator. The radar signal simulator comprises an antenna module, a frequency synthesizer module, a display control module and a power supply module which are installed in a shell. The frequency synthesizer module is integrated with a 2GHz-18GHz functional module and a 18GHz-40GHz functional module, and an analog signal output interface is reserved; the antenna module is integrated with a slot antenna and an antenna horn body, receives the radar analog signals outputby the frequency synthesizer module, and transmits 2GHz-18GHz analog signals and 18GHz-40GHz analog signals through the slot antenna and the antenna horn body respectively; the display control modulecompletes radar signal parameter setting and working state display; the problem that a radar signal simulator is large in size, heavy in weight and inconvenient to carry for field guarantee is solved, and the maintenance efficiency of army support personnel is improved.

The invention discloses a self-timing medicine-adding collar based on solar charging and capable of repelling worms in dogs. The collar includes a ring body, a core intelligent unit, cloud server and a user mobile terminal, wherein the core intelligent unit is connected with the ring body and the cloud server and the user terminal are cooperated with the core intelligent unit; the upper surface of the ring body is provided with a solar panel; the core intelligent unit is internally provided with a charging circuit, a solar rechargeable battery, a lithium battery, a battery management circuit, a single chip microcomputer, a medicine-adding component, a communication component, a GPS positioning module and timer; the outer part of the core intelligent unit is provided with a medicine adding hole, and the position of the medicine adding hole is matched with the medicine-adding component; the solar panel is connected with the solar rechargeable battery through a charging circuit, the solar rechargeable battery and the lithium battery are connected with the battery management circuit, and the battery management circuit is connected with the single chip microcomputer, the communication component, the GPS positioning module, timer and the medicine-adding component for power supplying; the communication component, the GPS positioning module, timer and the medicine-adding component are electrically connected with the single chip microcomputer. The collar has an intelligent positioning and tracking function, and the battery life is very long.