29results about How to "Solve usability" patented technology

The utility model discloses an anti-toppling protective fence for municipal engineering, and relates to the technical field of protective fences, the anti-toppling protective fence for municipal engineering comprises two bases, two first threaded grooves are formed in each base, the top ends of the two bases are fixedly connected with a protective frame, and a plurality of protective rods are fixedly installed in the protective frame; two storage grooves are formed in one side of the protection frame, auxiliary supports are rotationally connected into the two storage grooves, one sides of the auxiliary supports are in extrusion contact with the spherical ends of pull rods, then the pull rods are temporarily retracted into limiting sliding grooves, and when the interiors of circular clamping grooves are opposite to the limiting sliding grooves, the limiting sliding grooves are clamped in the limiting sliding grooves. When the protective fence is used, the spherical end of the pull rod can enter the circular clamping groove, so that the auxiliary support is stored and fixed, the auxiliary support can be flexibly stored and used, the defect that a traditional bolt type auxiliary support is inconvenient to store and use can be overcome, and the protective fence can be better used.

The utility model discloses an anti -falling type student vacuum cup belongs to vacuum cup technical field, an anti -falling type student vacuum cup, including shell and inner bag, the inner bag fixed connection in the inside of shell, the upper portion of inner bag is buckled and is connected with the cover, the upper portion of cover is screwed with the top cap, the top cap is screwed with the cup cover, the outside fixed of cover is equipped with the LOGO signboard, the upper portion of LOGO signboard is equipped with the cover band, one side of cover band is provided with the bandage, the outside of bandage is equipped with the band hoop, the bottom fixed of inner bag is equipped with buckling layer no.

According to some embodiments, a battery management device includes: a data acquisition unit configured to acquire battery data from a multi-cell battery pack, the multi-cell battery pack including a main battery pack and one or more sub-cell battery packs; and a control unit configured to determine, based on the battery data, whether there is a low-temperature battery pack in the multi-cell battery pack that is in a low-temperature state, and when a low-temperature battery pack is present, to select a discharge battery pack from the remaining battery packs in the multi-cell battery pack that excludes the low-temperature battery pack based on the battery data, and to supply the power generated by discharging the discharge battery pack to a temperature management device configured to manage the temperature of the low-temperature battery pack.

The utility model relates to a steel structure plant with an electric folding roof, and belongs to the technical field of industrial buildings. Comprising a three-dimensional truss structure formed by double rows of stand columns, inclined supports and transverse connecting pieces, sliding rails, guide wheel sets, a four-bar mechanism and a movable roof are arranged on the stand columns, fixed roofs are arranged at the ends of the stand columns, and a storage frame used for folding and storing the movable roofs is arranged below the fixed roofs. The adjacent movable roofs are connected through hinge shafts and cables, move under driving of the movable motor driving units and are longitudinally folded on the storage frame to be stored under driving of the folding motor driving units. And the mobile motor driving unit and the folding motor driving unit respectively realize remote wireless control through a control system. A sealing unit is arranged between every two adjacent movable roofs to form a drainage channel. And the movable roof is provided with a quick-assembly interface, so that other functional roof modules can be replaced conveniently. The problems that the space of a steel structure plant is solidified and the steel structure plant cannot adapt to diversified industrial scenes are solved.

The application provides a low-temperature cross-linked adhesive film, a preparation method thereof and a photovoltaic module, and relates to the technical field of photovoltaic module packaging materials. The adhesive film comprises a melting layer, a separation layer and a cross-linking layer which are sequentially stacked. The cross-linking layer of the low-temperature cross-linked adhesive film provided by the application forms a stable network through controlled cross-linking during the lamination process. The microcapsules in the separation layer release active ingredients at a specific temperature to trigger the cross-linking reaction, and at the same time, block the diffusion of the cross-linking agent to the melting layer. The three-dimensional network structure formed by the cross-linking layer provides durable mechanical support, the separation layer ensures precise control of the cross-linking reaction, and the melting layer realizes low-temperature interface sealing. The three work together to effectively solve the contradiction between the processing temperature and the use performance in the conventional technology.

The utility model relates to the technical field of child furniture, solves the problems that a waist stool in the prior art is poor in heat dissipation effect, lacks initiative and is not intelligent, and provides a breathable airflow guide structure and a waist stool, the breathable airflow guide structure comprises a breathable piece, a shell and a heat dissipation assembly; wherein the ventilation piece is provided with a ventilation part penetrating through the thickness of the ventilation piece, the ventilation part is provided with a contact surface facing the back side of the baby and a human body binding surface arranged opposite to the contact surface, and a plurality of ventilation holes are formed in the contact surface and / or the human body binding surface; an air inlet and an air outlet are formed in the shell, and the ventilation piece is connected with the shell; the heat dissipation assembly is arranged in the shell and is configured to drive airflow to flow, so that a first airflow channel is formed between the air hole and the air inlet, and a second airflow channel is formed between the air inlet and the air outlet. The waist stool disclosed by the utility model can actively dissipate heat by arranging the breathable airflow guide structure, and has intelligence.

The invention relates to the technical field of Internet of Things, in particular to a device access system and method based on dynamic registration, the system comprises a dynamic registration service system and an Internet of Things platform system, the dynamic registration service system is used for obtaining a dynamic registration request sent by a device to be accessed and authenticating the dynamic registration request, the Internet of Things intermediate station system matches a target Internet of Things intermediate station according to the device type and the protocol type of the device to be accessed, and sends scheduling information to the dynamic registration service system; business of a traditional system is separated, the dynamic registration service system is only responsible for registration and authentication of the equipment and does not involve the function of a business level, the traditional business part is separated to a platform system in the Internet of Things to be carried out, the overall safety of the system is greatly improved, and the security of the system is greatly improved. And unified management of devices of different types and different protocols is facilitated.

This utility model discloses a stable automotive wiring harness, relating to the field of automotive component technology. It includes a base, a top mount, a connecting rod, a screw, an insulating pad, a sliding cylinder, a rotating rod, a pulley, a transmission belt, a limiting frame, a sliding frame, and a connecting cylinder. Specifically: the base serves as the fundamental support for the entire device, supporting and securing other components; the top mount works in conjunction with the base to apply uniform pressure to the automotive wiring harness 14 for clamping and fixing; the connecting rod is positioned between the base and the top mount to transmit force and enhance the overall structural stability; the screw passes through the top mount and connects to the base, allowing for height adjustment of the top mount through rotation. This utility model provides a stable automotive wiring harness 14, which, through optimized structural design, significantly improves the stability and reliability of the automotive wiring harness 14, adapting to the installation requirements of different wiring harness specifications, ensuring efficient clamping and stable operation, and providing important support for related technical fields.

The invention relates to the technical field of communication, in particular to a radio frequency control system, a radio frequency system and communication equipment. The radio frequency control system comprises a signal receiving system which at least comprises a GPIO instruction interface, an MIPI instruction interface, an SPI instruction interface and a URT instruction interface, and the GPIO instruction interface, the MIPI instruction interface, the SPI instruction interface and the URT instruction interface are used for receiving GPIO instruction signals, MIPI instruction signals, SPI instruction signals and URT instruction signals sent by a controller respectively; the instruction conversion unit is in signal connection with each instruction interface and is used for converting each received instruction signal into a function instruction matched with the corresponding function module; each port of the crossbar switch matrix is respectively connected with each instruction interface, and the crossbar switch matrix is used for realizing data circulation and control triggering among the instruction interfaces; and the signal function system comprises a plurality of function modules, and each function module is in signal connection with the corresponding instruction conversion unit and is used for executing the corresponding function according to the received function instruction. Provided is a radio frequency control system capable of coordinating communication protocols.

This utility model discloses a portable food testing sampling device, relating to the field of food testing technology. It includes an insulated box with a detachable shelf on top and a detachable sealing cap on top of the shelf. A water tank is fitted inside the insulated box, and equidistantly distributed isolation racks are fixedly connected to the bottom of the shelf. The inner wall of the water tank has equidistant slots corresponding to the number of isolation racks, with each rack inserted into its corresponding slot. A graduation line is provided on one side of the water tank. This portable food testing sampling device, through the synergistic effect of ice filling, the insulated box, and the sealing cap, forms a closed low-temperature space, ensuring the stability of sample preservation. The detachable fitting structure of the water tank and shelf allows for quick replacement of the frozen water tank, enabling maintenance without interrupting the low-temperature environment. This solves the problems of disposable use or inconvenient refilling of traditional ice boxes, significantly extending the continuous cooling time.

The application discloses a DSP virtualization system and method based on dynamic loading and redirection technology, and the system is realized by cooperation of a HOST side running on a host and a DSP side running on a DSP. The DSP side comprises a DSP firmware module, and the HOST side comprises a DSP Lib module, a vDSP Manager module and a vDSP Lib module. The application realizes concurrent use of single DSP resources by multiple users through the DSP virtualization system, solves the problem that DSP can only be developed and used by a single user, and achieves the purpose of improving the utilization rate of DSP resources. For CPU-DSP collaborative application, a user can flexibly support new DSP API calling requests in a CPU-DSP application program through DSP function blueprint extension and vDSP Lib module extension.

The utility model relates to the technical field of wind power equipment assembly, and discloses a wind power equipment assembly anti-falling device which comprises a guide rail, an anti-falling box is slidably connected to the inner wall of the guide rail, an anti-falling mechanism is installed in the anti-falling box and comprises clamping blocks slidably connected to the outer walls of the two sides of the anti-falling box, and a plurality of clamping teeth are arranged on the outer walls of the two sides of the guide rail. According to the anti-falling safety belt, the guide rail and the anti-falling box capable of freely sliding on the guide rail are arranged, the limitation that a traditional safety belt connecting point is relatively fixed is changed, when a worker carries out large-range moving operation in the wind power equipment assembling process, the anti-falling box can synchronously move along with the worker, and therefore the safety belt is not prone to falling. The situation that the safety belt is possibly loosened or stretched excessively is avoided, the anti-falling effect is effectively guaranteed, and the problem that a traditional safety belt is inconvenient to connect and use especially in special operation scenes with limited space such as the interior of a tower drum is solved.

The utility model relates to the technical field of photovoltaic power generation, and discloses a light storage all-in-one machine. The light storage all-in-one machine comprises a mobile power supply and a photovoltaic component. The mobile power supply is used for storing electric energy and supplying power to electric equipment; the photovoltaic component at least comprises a first photovoltaic module; the photovoltaic component is mounted on the mounting surface of the mobile power supply and used for supplying power to the mobile power supply. According to the mobile power supply, the first photovoltaic assembly is arranged on the mounting surface of the mobile power supply, so that the first photovoltaic assembly can be connected with the mobile power supply on the basis of supplying power to the mobile power supply, and compared with the existing scheme that a photovoltaic panel and a mobile power supply box are designed in a split manner, the mobile power supply is more convenient to use. The design that the first photovoltaic module is installed on the mobile power supply can improve the carrying and use convenience of the equipment, and solves the problem that a photovoltaic panel type mobile power supply box in the prior art is inconvenient to carry and use.

The utility model discloses a multifunctional water-gas mattress, and belongs to the technical field of sleeping articles. The top of each bag cavity is composed of one or more human body containing parts; the capsule cavities at least comprise a first capsule cavity and a second capsule cavity; the second bag cavity is wrapped by the first bag cavity; the first bag cavity and the second bag cavity are filled with first fluid and second fluid respectively so that the second bag cavity can float in the first bag cavity. The first bag cavity and the second bag cavity are respectively provided with a fluid injection port; the first bag cavity and the second bag cavity are both made of airtight foldable non-rigid materials. Wherein the second bag cavity is of a structure with a multidirectional free bending function and can be freely bent under any air pressure, sufficient wrapping is provided for the human body, and meanwhile the stress area is increased, so that the stress on the body is reduced, and the sleep quality is improved. The volume of fluid in different bag cavities is adjusted by adjusting the fluid in and out of the fluid injection port, and the temperature of the mattress is adjusted through the temperature of the fluid. According to the utility model, the technical effect of improving the use convenience and the comfort level is achieved.

This utility model provides a locking mechanism for a pencil sharpener. The locking mechanism, from top to bottom, includes: a pencil advance / retractable assembly seat, a blade holder cover plate, and a support frame. The blade holder cover plate and the support frame are detachably and fixedly connected, allowing the pencil advance / retractable assembly and the support frame to be locked or separated. The blade holder cover plate is circumferentially provided with an elastic element and a limiting boss. The free end of the elastic element is fixedly connected to the limiting boss, while the fixed end of the elastic element is circumferentially fixedly connected to the blade holder cover plate. The pencil advance / retractable assembly seat is circumferentially provided with a circumferential sliding groove, an axial guide groove, and a circumferential locking block. The circumferential locking block is disposed on the circumferential sliding groove. The limiting boss can freely pass through the axial guide groove axially and then rotate into the circumferential sliding groove. When the limiting boss slides to the position of the circumferential locking block, the elastic arm deforms radially inward. Upon continued rotation, the locking block abuts against the limiting boss, achieving locking.

The utility model discloses a jean nail-free button with an integrally-formed button body, which comprises a needle seat and the integrally-formed button body, an upper circular hole site and a lower circular truncated cone-shaped through hole which are communicated with each other are arranged in the button body, a hollow limiting pin, a spring and a limiting gasket are further arranged in the button body, and a circular hole communicated with an inner cavity of the hollow limiting pin is arranged on the side wall of the hollow limiting pin. Steel balls are arranged in the round holes; the hollow limiting pin is located in the lower circular-truncated-cone-shaped through hole, the limiting gasket is arranged in the upper circular hole to be positioned, the spring is arranged between the hollow limiting pin and the limiting gasket, the steel ball abuts against the inner wall of the lower circular-truncated-cone-shaped through hole, and the steel ball abuts against the position between the outer wall of the needle body of the needle base and the inner wall of the lower circular-truncated-cone-shaped through hole to enable the needle base to be positioned. According to the utility model, the structural arrangement is reasonable, the steel ball is pressed against and clamped on the outer wall of the needle body, the connection convenience and the connection stability and reliability are improved, the manual assembly cost is reduced, and the technical defects that a buckle body split type structure in the prior art is easy to fall off and is troublesome to use during use are overcome.

The utility model provides a self-locking type liquid nitrogen tank sealing and heat preservation device and a liquid nitrogen tank, and belongs to the field of monitoring equipment of an assisted reproduction laboratory. Comprising an annular connecting piece and a tank cover assembly, a first lock catch is arranged on the end face of one side of the annular connecting piece, a lock hole is formed in the first lock catch, and a mounting groove used for being matched with an opening in the top of the liquid nitrogen tank is formed in the other side of the annular connecting piece. The tank cover assembly comprises a cover plate, an electric control main board and a heat preservation material column, the heat preservation material column is arranged on one side face of the cover plate, the outer diameter of the heat preservation material column is matched with the inner diameter of the annular connecting piece, the electric control main board is arranged on the other side face of the cover plate, and a spring bolt which can stretch outwards in the radial direction is arranged on one side of the cover plate. And the lock tongue is matched with the lock hole and is electrically connected with the electric control mainboard. The technical problems that in the prior art, due to the defects of a traditional liquid nitrogen tank sealing and locking mode, the occupied space is large, and the use and maintenance efficiency of the liquid nitrogen tank is affected can be solved.

The utility model relates to the technical field of cable sheaths, and discloses an easy-to-tear cable sheath structure, which comprises a shell assembly and an internal protection assembly, the shell assembly is formed by rotatably connecting an upper shell and a lower shell through a connecting shaft, a cylindrical cavity formed by closing the shell assembly accommodates the protection assembly and a cable body, and the protection assembly comprises a rubber layer. A dividing assembly is arranged in the shell assembly and comprises a pulling plate, a tearing rope and an easy-to-tear layer, the tearing rope is arranged between the easy-to-tear layer and connected with the pulling plate, the pulling plate penetrates out of the shell, and connecting assemblies composed of inserting hooks and inserting grooves are arranged at the two ends of the shell assembly. According to the utility model, the pulling plate is pulled to drive the tearing rope to tear the easy-to-tear layer, so that the sheath can be rapidly peeled off by hands, secondary damage to a cable caused by cutting of a cutter is avoided, and meanwhile, the rotary opening and closing of the shell assembly and the end part plugging structure realize repeated utilization and multi-section modular splicing of the sheath, and the cable maintenance efficiency is greatly improved.

The application belongs to the technical field of water heaters, and discloses an integrated water heater and a control method thereof. The integrated water heater body is used for packaging the overall structure; the hot water chamber is located at the left end of the inner side of the integrated water heater body and is used for storing hot water; the boiled water chamber is located at the right end of the inner side of the integrated water heater body and is blocked by the inner wall from the hot water chamber, and comprises an upper boiled water chamber, a middle boiled water chamber and a lower boiled water chamber which are communicated through electromagnetic valves, a heater is arranged in the upper boiled water chamber, and the middle boiled water chamber is communicated with the hot water chamber through an electromagnetic valve; the water purification mechanism is installed on the upper side of the right end of the integrated water heater body, is communicated with the tap water pipeline, the hot water chamber and the upper boiled water chamber, and is used for filtering and purifying tap water. The water purification mechanism is used for providing purified water, the purified water is transported through the pipeline, can supply water to the integrated heater, can directly supply direct drinking water to users, can realize cold water instant heating, and thus solves the situation of urgently needing to use hot water or boiled water.

The utility model discloses an automobile tire pattern depth gauge which comprises a holder and a measuring ruler strip which is vertically and movably inserted in the vertical central axis position of the holder, and ear handles are further arranged on the two sides of the holder. A buckle is horizontally and slidably connected to the position, close to the bottom, of the holder, and a clamping groove corresponding to the buckle in position is formed in the side face of the measuring ruler strip. An annular supporting base is horizontally arranged at the bottom of the holder, and the circle center corresponding to the supporting base is located on the vertical axis of the measuring ruler strip. According to the utility model, the bottom of the holder is coaxially provided with the annular supporting base which is located on the same horizontal plane with the bottom of the holder, so that the depth gauge has a three-dimensional structure, the supporting base can vertically support on the tread of a tire at 360 degrees, and the scale marks on the measuring ruler strip can directly face a worker on the side surface of an automobile; not only can the perpendicularity be easily kept, but also the reading is convenient, the result error caused by reading and operation is greatly reduced, and convenience is brought to use.

The application provides an earphone device with in-ear health monitoring function, and relates to the technical field of earphone equipment. The earphone device comprises a headband, sound production assemblies arranged on both sides of the headband, a wearing sleeve and two arc plates symmetrically arranged in the wearing sleeve. The sound production assembly comprises an earpiece arranged at the bottom of the arc plate and a sealing sleeve arranged outside the earpiece. A contraction assembly is arranged in the wearing sleeve to pull the two arc plates to slide towards the inside of the wearing sleeve to shorten the distance between the two earpieces. A positioning assembly is arranged outside the wearing sleeve to increase the contact area between the wearing sleeve and the user's head. The application can improve the stability of the earphone device, prevent the earphone device from being offset due to head shaking when worn for a long time, and affect the use. In addition, the application can also ventilate the ear, avoid sweating in the ear, improve the comfort of the user, and avoid pollution of the earphone device caused by sweat.

The invention discloses a preparation method of fluorinated alkene ether, which comprises the following steps: replacing alkene CFCl = CFCl in a 1, 2-difluorodichloroethylene method with hydrogen-containing fluorinated alkene CFH = CFX, carrying out fluorination reaction on the fluorinated alkene CFH = CFX, fluorine gas and fluorinated acyl fluoride (RCOF) under the action of a catalyst, and directly generating an intermediate (namely a fluorinated ether isomer mixture comprising RCF2OCFHCF2X and an isomer thereof RCF2OCFXCF2H) in one step, the intermediate continues to be subjected to a dehydrohalogenation reaction with alkali, and the product fluorinated alkene ether (RCF2OCF = CF2) is obtained. According to the method, synthesis, use and storage of an unstable intermediate, namely, hypofluoro acid ester RCF2OF with strong oxidation and high explosion risk can be effectively avoided, meanwhile, decomposition caused in the reaction process of special unstable raw material acyl fluoride such as ROCOF and fluorine gas can be reduced, and the safety is effectively improved; the problems of heavy metal use and pollution caused by a zinc powder dehalogenation process in a 1, 2-difluorodichloroethylene method are solved; the method has the advantages of short process flow, mild reaction conditions, environmental protection, high product purity and the like.

Embodiments of the present application provide a communication method, an electronic device and a storage medium. The electronic device comprises an ADSP. The ADSP receives service data sent by an AP, detects that a receiving queue in the ADSP is not full, stores the service data in the receiving queue, and adds an enqueue time of the service data. The ADSP processes the service data, records a start processing time corresponding to the service data, records an end processing time corresponding to the service data when the processing of the service data is completed, and sends timeout information to the AP if the processing of the service data is timed out. The timeout information comprises the enqueue time, the start processing time and the end processing time of the service data. The AP can determine a timeout reason according to the timeout information. The method can accurately locate a root cause of AP transceiving data timeout, which is beneficial to developers to solve the timeout fault.

The utility model relates to computer support technical field discloses a height -adjustable computer support, including installation board computer, the lower surface of installation board computer is provided with base computer, rotatory connection has the connecting frame computer between installation board computer and base computer, the side wall of installation board computer is provided with fixed component, the side wall of connecting frame computer is provided with locking component, the fixed component includes the clamping plate computer with the support plate computer, the side wall sliding connection of clamping plate computer is on installation board computer upper surface, in the utility model, through the elastic force drive clamping plate automatic clamping computer of spring no.

The utility model discloses an outdoor combined box-type substation, and relates to the related technical field of power equipment. The protective device comprises a base, protective fences, stand columns, a ceiling, a protective frame and a sealing plate, the protective fences are arranged on the four edges of the upper end face of the base, each protective fence comprises a transverse rod and vertical rods which are arranged at equal intervals and fixed in the transverse rods in a penetrating mode, and the stand columns distributed in a rectangular mode in two rows and five columns are further fixed to the upper end of the base. L-shaped supporting blocks are fixed to the faces, deviating from each other, of the two rows of stand columns, a protection frame is jointly arranged in all the supporting blocks in a supporting mode, a sealing plate is connected between every two stand columns in an inserted mode, a door frame is fixed to the position between every two stand columns in each row, and a door leaf is arranged in each door frame. According to the utility model, through the arrangement of the stand columns, the protection frame, the door frame, the sealing plate, the base and the protective fences, the problems that the structural strength of the box-type transformer substation is insufficient, the protection surface and the protection effect of the box-type transformer substation are insufficient, and the protection assembly cannot be combined with the box-type transformer substation for use are solved.

This invention discloses a multi-degree-of-freedom control system based on surface micro-electrical signals, comprising: an electromyography (EMG) signal acquisition module for acquiring surface EMG signals; a signal preprocessing module for preprocessing the acquired EMG signals; a feature extraction module for calculating the optimal parameters of multi-scale permutation entropy using a particle swarm optimization algorithm for the preprocessed signals; and based on the optimal parameters, performing multi-scale permutation entropy feature extraction on the preprocessed EMG signals to obtain feature data of the EMG signals; a signal classification module for classifying the EMG signals according to the feature dataset; and a feature matching module for matching the classified signals with preset actions. This invention solves the problem of limited application scenarios and efficiency of existing surface EMG signal-controlled robotic arms, which is caused by the low degree of freedom of the robotic arm.

A cabinet with a movable faucet includes a cabinet body and a cabinet door assembly. The cabinet body includes a top wall, a left wall, a right wall, and a back panel. The top wall, left wall, right wall, and back panel form a cabinet cavity with a front opening. The cabinet door assembly is slidably connected to the cabinet body and can cover the front opening. The cabinet is characterized by further including a movable faucet, a controller, a faucet drive device, a door drive device, a switch button, and an upper limit sensor. The faucet drive device, door drive device, switch button, and upper limit sensor are signal-connected to the controller. The switch button is used to send open and close signals to the controller.