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427results about How to "Extended use time" patented technology

Variable rotating equivalent inertia mass damper

ActiveCN105221622AExtended use timeTransmission concept is clearInertia effect dampersModal damping ratioViscous damping
The invention relates to a variable rotating equivalent inertia mass damper which comprises a primary energy consumption element, a horizontal moving/rotating conversion device, a speed changing device, a secondary energy consumption element, a rotating mass unit, a control chip, circuits and the like. Through the horizontal moving/rotating conversion device, relative horizontal movement at the two ends of the damper is converted into high-speed rotation of a transmission shaft; through the speed changing device and the secondary energy consumption element, the transmission ratio, namely equivalent inertia mass is controlled; the primary energy consumption element and the secondary energy consumption element are adjusted in real time so that a needed equivalent viscous damping value can be reached. According to the variable rotating equivalent inertia mass damper, the equivalent inertia mass and viscous damping of the damper can be adjusted in real time to reach the needed optimum values; meanwhile, harvesting and storing of part of vibration energy are achieved so that part of electric energy needed by the control circuit and a working state indicating device can be provided. Through preliminary analysis, the modal damping ratio which is multiple times that of a traditional oil damper can be provided, and the variable rotating equivalent inertia mass damper can be applied to (but not limited to) vibration control of buildings, bridges, bridge cables, vehicles and the like and has good engineering application prospects.
Owner:TONGJI UNIV

Improved type lithium-ferrous disulfide battery and manufacturing method of the same

InactiveCN101383419AImprove high current discharge capabilityExtended use timePrimary cellsElectrode carriers/collectorsCopper foilPositive current
The invention relates to an improved lithium- ferrous disulfide battery which comprises a shell; a positive pole piece and a negative pole piece in the shell are wound together through a porous isolating film, and organic electrolyte is filled in the shell. The positive pole piece comprises a positive active material and a positive current collector, and the positive active material is ferrous disulfide. The negative pole piece comprises a negative active material and a negative current collector, wherein the negative active material is metal lithium foil, and the negative current collector is selected form a copper net, a hole-shaped aluminum foil, an aluminum net, a hole-shaped copper foil, foamed nickel, a hole-shaped nickel foil or nickel net. The positive pole piece is manufactured by the positive active material, conductive agent and binding agent which are evenly mixed and applied to a metallic matrix; and the negative pole piece is manufactured by pressing the metal lithium foil and the metal net or the hole-shaped foil. Then the organic electrolyte is infused, and the battery is obtained after the packaging. The invention has the advantages of small internal resistance, good large current discharge performance, good pulse discharge performance, high discharge platform, no voltage sag and good consistence of performance.
Owner:SHANDONG SHENGONGHAITE ELECTRONICS TECH

System and method for positioning inspection robot in cable tunnel on basis of wireless network

The invention discloses a system and a method for positioning an inspection robot in a cable tunnel on the basis of a wireless network, and belongs to the technical field of wireless positioning. The integral system comprises a following network node, the inspection robot, the wireless sensor network and wireless sensor network base stations. The method for positioning the inspection robot in the cable tunnel includes that a distance-dependent attenuation model of the intensity of wireless electric signals is created; and a propagation environment of the wireless electric signals in the tunnel is divided into four types of conditions, the wireless sensor network base stations are respectively laid according to the four types of conditions of the tunnel, a plurality of wireless sensor network positioning modules are arranged in the base stations, a maintainer acquires a positioning request signal of the inspection robot when the inspection robot passes through a certain position in the cable tunnel, the positioning request signal is finally transmitted to the wireless sensor network base station arranged at a tunnel portal, and positioning information is displayed on a monitoring computer via a data interface. The system and the method bring convenience for the maintainer to position the inspection robot, and cables can be timely maintained.
Owner:NORTH CHINA ELECTRIC POWER UNIV (BAODING)

Solar energy-saving streetlamp based on single-chip microcomputer

The invention discloses a solar energy-saving streetlamp based on a single-chip microcomputer. A solar cell panel charges a lead-acid battery through a charging circuit. The lead-acid battery supplies power to an LED illumination module, a clock regulation module, a clock display module, a photo-sensitive circuit and the single-chip microcomputer through voltage stabilization circuits respectively. The clock regulation module comprises a time regulation key, a time increase key and a time decrease key. The clock display module comprises two four-bit eight-section digital pipe display units. The photo-sensitive circuit senses the brightness degree of the surrounding and outputs a photoelectric signal to the single-chip microcomputer through an analog-to-digital converter. The LED illumination module is turned off when the single-chip microcomputer judges that the surrounding reaches the required brightness; otherwise, whether the time is within the illumination time period or not is further judged, the LED illumination module is turned on if the time is within the illumination time period, and the LED illumination module is turned off if the time is not within the illumination time period. The streetlamp can be automatically turned on and off according to the environment brightness and through the combination with the set time, and the energy waste is reduced.
Owner:SUZHOU INST OF INDAL TECH

WiFi (Wireless Fidelity) power supply dynamic management system and method

The invention relates to a WiFi (Wireless Fidelity) power supply dynamic management system which comprises a WiFi connecting unit, a flow detecting unit, a setting unit and a power supply management unit, wherein the WiFi connecting unit is connected with a WiFi access point; the flow detecting unit is used for detecting the data transmission rate of the WiFi connecting unit; the setting unit is used for setting the data transmission rate and the duration of the WiFi connecting unit to be smaller than or equal to the transmission duration of the data transmission rate; the power management unit is used for managing a WiFi equipment power supply working mode according to the data transmission rate detected by the flow detecting unit and a preset value of the setting unit; when the data transmission rate detected by the flow detecting unit is smaller than or equal to a data transmission rate preset by the setting unit, and the duration is larger than or equal to duration set by the setting unit, the power management unit is used for controlling WiFi equipment to enter a power-saving mode; and when the data transmission rate detected by the flow detecting unit is larger than the data transmission rate preset by the setting unit, the power supply management unit is used for controlling the WiFi equipment to quit the power-saving mode.
Owner:深圳市权智掌上电脑有限公司

Production method of five-prevention wood

The invention provides a production method of five-prevention wood. The technical problems that the steps of an existing production method are excessively simple, produced wood does not have the corrosion prevention performance, the water resistance performance and the deformation and cracking prevention performance, and the application range is small are solved. The production method of the five-prevention wood comprises the following steps that a, a coloring agent, a stabilizing agent, a dredging agent, a preservative and a weighting agent are poured into an ordinary blender to be mixed, mixed liquid is obtained, and the mixing time ranges from 10min to 20min; b, wood is placed into a closed pressure impregnation tank, the mixed liquid is added to the pressure impregnation tank until the pressure impregnation tank is completely filled with the liquid, the pressure is boosted to range from 1.2MPa to 1.5MPa, and kept for 2-3 hours, then the pressure is relieved, the mixed liquid is discharged, and the wood is taken out of the tank; c, drying treatment is conducted on the wood by the use of a drying system until the moisture content of the wood is reduced to range from 8% to 12%, and the drying temperature ranges from 48 DEG C to 52 DEG C; and d, the dried wood is placed into a heated liquid AB waterproof material to be soaked for 3-6 hours. The production method has the advantage of being wide in application range.
Owner:海宁恒森家具有限公司

Intelligent dust collector and dust box assembly thereof

The invention discloses an intelligent dust collector and a dust box assembly thereof. The dust box assembly of the intelligent dust collector comprises a dust box, a filter device, a dust scraper and a driving device. An accommodating cavity is formed in the dust box, a dust collecting opening which is communicated with the accommodating cavity is formed in the front wall of the dust box, and an exhaust port which is communicated with the accommodating cavity is arranged on the rear wall of the dust box; the filter device is arranged in the accommodating cavity, and the exhaust port can be closed by the filter device; the dust scraper is movably arranged at the front of the filter device along the left-right direction and is parallel to the front surface of the filter device, dust scraping ribs which are used for removing dust are arranged on the surface, which faces the filter device, of the dust scraper, and the side edges of the dust scraping ribs cling onto the surface of the filter device; the driving device is connected with the dust scraper and is used for driving the dust scraper to reciprocate. The intelligent dust collector and the dust box assembly in an embodiment of the invention have the advantages that the dust on the front surface of the filter device can be conveniently scraped, accordingly, the permeability of the filter device can be kept for a long time, and air flow channels of the dust box can keep smooth.
Owner:MIDEA ROBOZONE TECH CO LTD

Energy-saving dormancy awakening method based on ZigBee technology

The invention relates to an energy-saving dormancy awakening method based on a ZigBee technology. The method comprises the following steps that: S1, a coordinator node establishes a tree cluster type network; and a terminal node and a routing node are added into the network established by a coordinator; S2, the network is graded; time synchronization of a network node and the previous stage is carried out stage by stage; and finally, the whole-network time synchronization with the coordinator is realized; S3, the terminal node and the routing node enter a working period; the terminal node performs acquisition and transmission of data; and the routing node forwards the data to the previous-stage node; S4, after receiving the data uploaded by the terminal node, the coordinator sends dormancy control information to the routing node; and the routing node forwards the dormancy control information to the terminal node; S5, the node receives a dormancy instruction, sets a dormancy time control parameter and enters a dormancy state; and S6, when the dormancy time is up, the node is synchronously awakened to add the network and then enters the working state. By means of the method, the energy consumption of the system can be reduced; the energy utilization rate can be increased; the use time of the system is prolonged; and simultaneously, the maintenance cost of the network can also be reduced.
Owner:CHONGQING UNIV OF POSTS & TELECOMM

High-performance fertilizer throwing device for garden

The invention relates to a throwing device, and in particular relates to a high-performance fertilizer throwing device for a garden. The invention aims at solving the technical problem to provide a high-performance fertilizer throwing device for the garden; the device is high in performance, simple to operate, convenient to move and capable of uniformly mixing and throwing various fertilizers. In order to solve the technical problem, the invention provides the high-performance fertilizer throwing device for the garden. The high-performance fertilizer throwing device comprises a fixed bracket, a supporting rod, a motor, a first belt pulley, a rotating shaft, a first bearing seat, a second belt pulley, a flat belt, a cam, a rocking bar, a first connecting rod and the like; and a support, the supporting rod and a guide plate are successively arranged on a bottom plate of the fixed bracket from left to right, and the supporting rod is successively provided with the motor and the first bearing seat from top to bottom. The fertilizer throwing device for the garden achieves the effects of high performance, simplicity in operation, convenience in moving and capability of uniformly mixing and throwing the various fertilizers, and the rocking bar and the first belt pulley are driven by the motor.
Owner:徐州市宝盛新田农业机械有限公司

Intelligent power-saving method and device and terminal

The invention discloses an intelligent power-saving method, an intelligent power-saving device and a terminal. When the terminal starts a power-saving mode, statistic service conditions of various applications in the terminal are obtained; and the applications, permitted to run under the power-saving mode, of the terminal are determined on the basis of the service conditions of the applications. Obviously, the applications permitted to run under the power-saving mode can be set according to the service conditions of the applications in the terminal by a user under the power-saving mode, so that the condition that the applications which are commonly used by the user can normally run under the power-saving mode can be ensured. The applications which are not commonly used by the user can be closed or prohibited under the power-saving mode; the requirements that, on one hand, the user hopes that the terminal can save power to the maximal extent and prolong the service time and on the other hand, the user hopes that the commonly used functions are not affected can be met; the satisfaction of the user experience is improved to the maximal extent; and the power-saving mode function also becomes the function which is commonly used by the user, so that the utilization rate of system resources is improved to a certain extent.
Owner:ZTE CORP

Double-screen display device and control method thereof

The invention relates to a double-screen display device, which comprises a first display screen and a second display screen which are used for displaying a common interface together. The double-screen display device further comprises a double-screen display module, an electric quantity detecting module, an electric quantity judging module and an single display module, wherein the double-screen display device is used for starting the first display screen and the second display screen and dividing the interface into two parts to be respectively displayed on the first display screen and the second display screen; the electric quantity detecting module is used for obtaining residual electric quantity of the double-screen display device; the electric quantity judging module is used for judging whether the residual electric quantity is less or equal to preset critical electric quantity; and the single screen display module is used for closing the second display screen and merging the interface displayed on the first display screen and the second display screen to be displayed on the first display screen when the residual electric quantity is less than or equal to the critical electric quantity. According to the invention, the double-screen display device closes one display screen when the residual electric quantity is less than or equal to the preset critical electric quantity, so as to slow down the speed of electricity consumption and prolong the use time. In addition, the invention further provides a control method for the double-screen display device.
Owner:HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1

Online monitoring device for tunnel boring machine cutter and method thereof

ActiveCN107345884AReasonable structureExtended use timeNetwork topologiesTransmissionTunnel boring machine6LoWPAN
The invention relates to an online monitoring device for a tunnel boring machine cutter. The device which is characterized by comprising a backstage controller, a cloud server, a 6LoWPAN protocol edge router and a plurality of cutter monitoring controllers adhered to a cutter ring of the cutter. The backstage controller is a large-screen microcomputer or a tablet personal computer, and the 6LoWPAN protocol edge router is connected with the backstage controller and the cloud server through an IPv4 protocol; each cutter monitoring controller comprises a 6LoWPAN protocol controller which is connected with a cutter abrasion loss measuring circuit, a temperature measuring circuit and a vibration and rotation measuring circuit respectively. The online monitoring device achieves online monitoring on abrasion, rotation speed, temperature and vibration parameter of the cutter, can accurately grasp the cutter condition at any time, prolongs service time and the optimal replacement time of the cutter and further improves work efficiency and reduces engineering cost. The invention further provides a monitoring method of the online monitoring device. The monitoring method has the advantages of reasonable technological process, strong adaptability and excellent effect.
Owner:NORTHEAST DIANLI UNIVERSITY

Business request processing method, device and system, electronic equipment and storage medium

The invention provides a service request processing method and device, electronic equipment and a computer readable storage medium, and relates to the field of information processing. The method comprises the following steps: when a service request initiated by a terminal is received, extracting an original token from the service request; matching the original token with any target token in a preset cache; when the matched target token does not exist, starting a processor; and sending matching failure information to the terminal, and displaying a preset login page by the terminal, wherein thelogin page is used for receiving user information and a login instruction input by a user, generating a login request based on the user information and the login instruction, and sending the login request to a preset main system, so that the main system verifies the user information in the login request, generates a verification result and sends the verification result to the subsystem; and when the received verification result is that the verification succeeds, performing corresponding service processing on the service request. According to the invention, the service processing efficiency isimproved, and the user experience is also improved.
Owner:望海康信(北京)科技股份公司

Air suction valve and mask both with function of switching between ambient air and air in air bottle

The invention discloses an air suction valve with a function of switching between ambient air and air in an air bottle. The air suction valve comprises an air suction valve seat, an air suction valve cover, a valve rod, an air suction valve plate and a spring, wherein air holes and an axially extending guide hole are formed in the air suction valve seat; the air suction valve seat is covered by the air suction valve cover; air holes are also formed in the air suction valve cover; the valve rod is correspondingly arranged in the guide hole, and can move in an axial direction along the guide hole; an air passage is formed in the air suction valve plate; the air suction valve plate is fixedly connected with the valve rod to move between an opening station and a closing station along with the axial movement of the valve rod; the spring is arranged between the air suction valve plate and the air suction valve cover to press the air suction valve plate at the closing station. The invention also discloses a mask with the function of switching between the ambient air and the air in the air bottle. According to the air suction valve and the mask, switching between the ambient air and an air source in the air bottle can be performed, the air in the air bottle is effectively utilized, and the service life of equipment is prolonged.
Owner:SHANGHAI BAOYA SAFETY EQUIP
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