25results about How to "Avoid life" patented technology

The utility model relates to the technical field of energy storage battery installation, and discloses a convenient installation structure of a household energy storage battery, the convenient installation structure comprises an installation base and a battery main body, the outer wall of the installation base is provided with an installation assembly used for rapidly fixing the battery main body, and the installation assembly comprises two moving plates moving relatively and a gear; the two movable plates are arranged on the mounting base, racks are welded to the outer walls of the bottoms of the two movable plates, the gear is rotationally connected to the outer wall of the middle of the mounting base through a rotating shaft, and the two racks are meshed with the gear. The fixing column is quickly inserted into the fixing hole of the battery main body, the installation process is completed, professional tools and skills are not needed, compared with a traditional structure, the installation difficulty and time cost are remarkably reduced, a user can independently complete installation, the problems of inconvenient installation and high cost are effectively solved, and the installation of the household energy storage battery is simpler and more feasible.

The utility model discloses a booster pump, and relates to the technical field of gas pressurization. The booster pump comprises a driving cylinder body, a piston rod, a first driving piston, a second driving piston, a first booster cylinder body and a second booster cylinder body, the driving cylinder body is provided with a first driving cavity and a second driving cavity which are symmetrically arranged; the piston rod penetrates through the partition wall, and the two ends of the piston rod extend into the first driving cavity and the second driving cavity correspondingly. The first pressurizing cylinder body is connected with one end of the driving cylinder body, and a first pressurizing piston connected with the first driving piston is arranged in the first pressurizing cavity; the second pressurizing cylinder body is connected with the other end of the driving cylinder body, and a second pressurizing piston connected with the second driving piston is arranged in the second pressurizing cavity. The structure of the booster pump is improved, and the single-pole double-acting double-drive booster pump is high in strength, good in sealing performance, reasonable in structure, suitable for low-temperature and high-pressure environments and particularly suitable for boosting liquid carbon dioxide.

The utility model discloses a solid-gas separation mechanism for a fermentation material granulation tower, and relates to the technical field of fermentation material processing. The separating mechanism comprises a tower body and a separating mechanism body, the separating mechanism body comprises a rotating disc, a vibrator and a set of conical frames, the rotating disc is an annular frame and is arranged in the tower body, shaft ends are arranged on the opposite sides of the rotating disc, the shaft ends penetrate through the side wall of the tower body and are rotationally connected with the side wall of the tower body, and the outer end of one shaft end is connected with a driving mechanism. By designing the novel solid-gas separation mechanism and adopting the mode that the double conical frames are symmetrically distributed at the same time, the two conical frames and the filter screen above the two conical frames can be subjected to transposition replacement, the using effect of the solid-gas separation mechanism is improved, the service life of the solid-gas separation mechanism is prolonged, meanwhile, due to the design of vibrators on the two conical frames, the screen can be efficiently cleaned, and the service life of the solid-gas separation mechanism is prolonged. In addition, the conical frame and the screen can be overturned by a certain angle and then vibrated and cleaned, and the screen can be vibrated and cleaned at any angle.

The utility model belongs to the technical field of dynamic vibration absorbers, and particularly relates to a double-layer damping dynamic vibration absorber based on a condensate pump, which comprises a water pump assembly and a damping vibration absorption assembly, the water pump assembly comprises a water pump body and a water pump end cover, the water pump end cover is arranged on the water pump body, and the damping vibration absorption assembly is arranged on the water pump body. The damping vibration absorption assembly is arranged on the water pump end cover, the damping vibration absorption assembly comprises a base, a damping vibration attenuation mechanism and a balance weight part, the base is detachably arranged on the water pump end cover, the damping vibration attenuation mechanism is arranged on the base, and the balance weight part is arranged on the damping vibration attenuation mechanism. Therefore, interface stress concentration caused by a traditional embedding process is avoided through the layered and stacked double-layer damping structure, local stress is effectively dispersed through coupling connection of the balance weight piece and the upper damping vibration attenuation component, broadband vibration suppression of the condensate pump is achieved, and meanwhile structural reliability and installation convenience are improved.

The invention provides a negative electrode control circuit and method for a commercial vehicle loading system, the negative electrode control circuit is provided with a battery positive electrode interface, a battery negative electrode interface and an output interface, the battery positive electrode interface is connected with the positive electrode of a storage battery, the battery negative electrode interface is connected with the negative electrode of the storage battery, and the output interface is connected with the negative electrode of electric equipment; the negative electrode control circuit comprises a field effect transistor which is provided with a grid electrode, a drain electrode and a source electrode, the grid electrode is connected with the battery positive electrode interface, the drain electrode is connected with the output interface, and the source electrode is connected with the battery negative electrode interface; and the controller detects the voltage of the storage battery in real time, controls the switch-on and switch-off of the field effect transistor according to the voltage of the storage battery, and further controls the connection state of the output interface and the battery cathode interface. The technical problems that a lead-acid storage battery manager can only achieve the voltage and electric quantity detection function, a load switch cannot be directly controlled, and overdischarge cannot be fundamentally solved are solved.

The utility model relates to a combined wallboard mechanism for a modularized integrated house, which comprises N wallboard bodies, each wallboard body comprises a wallboard shell, a wallboard framework playing a supporting role is arranged in each wallboard shell, and the wallboard shells surround all side surfaces of the wallboard framework except the top surface and the bottom surface; a space enclosed by the wallboard shell and the wallboard framework is filled with a wallboard heat preservation layer which has the functions of heat insulation, heat preservation, water prevention and the like; every two adjacent wallboard bodies in the transverse direction are detachably connected through one wallboard butt-joint plate, and the adjacent wallboard bodies and wallboard butt-joint plates are detachably connected with each other; the Ngt; = 2. The outer frame butt joint parts, the butt joint pipe bodies and the wall plate butt joint plates jointly achieve staggered joint connection between the adjacent wall plate bodies and the wall plate butt joint plates, so that different connection gaps are not aligned, and therefore air leakage or water leakage possibly caused by gap alignment is avoided, namely the waterproof and windproof performance is further improved through staggered joint connection.

A rotary table structure suitable for a strip package steering bag supplementing machine comprises a feeding rotary table body, a material receiving groove, a package blocking mechanism, a transmission mechanism, a feeding station and a discharging station, the center of the feeding rotary table body is connected with the transmission mechanism, the material receiving groove is formed in the feeding rotary table body, the package blocking mechanism is arranged below the material receiving groove, the transmission mechanism is connected with the package blocking mechanism, and the transmission mechanism is connected with the feeding station. The feeding station is arranged in the twelve o'clock direction of the feeding rotary disc body, and the discharging station is arranged in the three o'clock direction of the feeding rotary disc body. The bag blocking mechanism comprises an air cylinder fixing plate, an air cylinder, a spring and a baffle. Compared with the prior art, the bag blocking mechanism is optimized and improved, the structure is simplified, and the problems that the cost is increased and the service life is shortened due to the complex structure are solved; lifting of the improved baffle mechanism is achieved through the air cylinder, and air pipe winding caused by the fact that the rotary disc rotates in the same direction all the time is avoided.

The four-way valve assembly comprises a valve body, a connecting pipe and an aluminum adapter, a reversing mechanism is arranged in the valve body, the connecting pipe is a steel pipe, one end of the connecting pipe is connected with the valve body in a welded mode, and the other end of the connecting pipe is connected with the aluminum adapter in a welded mode. And the end part of the connecting pipe is provided with an aluminum connecting piece, so that the four-way valve assembly is conveniently welded and connected with an aluminum piping in the refrigerating system.

The application discloses a bendable and foldable flexible LED display module structure and relates to the technical field of flexible LED display module structures.The installation box is internally connected with an installation plate in a sliding mode.A first threaded rod, a transmission plate, a transmission rod, an elastic plate and an arc column are cooperatively arranged to precisely adjust the arc of the flexible display module.In detail, the second transmission mechanism drives the first threaded rod to rotate, and the transmission plate moves along the threaded rod in the axial direction, and then the elastic plate is pushed to displace rearward in the middle part through the connecting rod and the transmission rod.Under the support of the arc column, the elastic plate generates a smooth concave arc, and simultaneously drives the flexible display module fixed thereon to deform synchronously.The design can switch the planar display mode into the curved surface display of any preset arc according to the playing content or the viewing angle requirement, and significantly enhances the immersion and visual impact of the picture.

This invention relates to the field of lighting technology, specifically to a waterproof refrigerator light that is easy to clean. It includes a fixed lamp plate, a lamp plate fixing shaft, a rotating outer shell, a support outer shell, a lamp body mounting base, and a contact scraper. The fixed lamp plate has a lamp plate fixing shaft fixedly installed at both ends. A rotating outer shell, cylindrical in shape and rotatable, is fitted over the fixed lamp plate. Support outer shells are located at both ends of the rotating outer shell. The lamp plate fixing shaft is fixedly installed to the support outer shell. A lamp body mounting base is fixedly installed on the surface of the support outer shell, and a contact scraper is fixedly installed on the surface of the lamp body mounting base. This waterproof refrigerator light has excellent waterproof capabilities and, compared to traditional refrigerator lights, continuous active cleaning ability, preventing condensation or frost from forming on the lamp body surface, thus avoiding light distortion or obstruction.

The utility model relates to the technical field of new energy automobile cooling systems, in particular to a uniform flow type efficient power battery liquid cooling plate which comprises a water inlet pipe, a water outlet pipe, a water inlet collecting pipe, a water outlet collecting pipe, a porous runner plate and a uniform flow partition plate, the porous runner plate is provided with a plurality of small holes, and the small holes are round holes, square holes or special-shaped holes. The uniform flow partition plate is arranged in the water inlet collecting pipe, the porous flow channel plates are arranged in parallel, the two ends of each porous flow channel plate are connected to the water inlet collecting pipe and the water outlet collecting pipe respectively, the water inlet pipe and the water outlet pipe are connected to an external pipeline through flanges respectively, and all the components are integrated through brazing. The utility model has the advantages that the temperature difference between the battery cells of the power battery pack can be reduced, the temperature uniformity is improved, and the service life of the battery is prolonged.

This invention discloses a method, device, equipment, and storage medium for time-frequency synchronous control of four-wheel steering assist in automobiles. The method includes: determining a normalization coefficient for the difference in target steering assist for each steering wheel based on the target steering assist change value of each steering wheel; determining a theoretical steering assist coefficient for each steering wheel based on the maximum change in steering assist for each steering wheel within a single task cycle; calculating and determining the current transient target steering assist for each steering wheel based on the normalization coefficient for the difference in target steering assist and the theoretical steering assist coefficient; and controlling the time required for the transient steering assist change of each steering wheel to reach its steady-state target steering assist to be equal. This invention considers the maximum change in steering assist for each steering wheel, thus avoiding over-capacity operation of the steering mechanism of each steering wheel; and controls the time required for the transient steering assist change of each steering wheel to reach its steady-state target steering assist to be equal, thus avoiding the problem of uncoordinated steering assist.

The present application relates to the field of lithium battery, specifically relates to a lithium battery protection plate with waterproof function, including lithium battery body, one end of the lithium battery body is connected with the plug connector through the wire, the side wall of the lithium battery body is equipped with the protection plate body, one end of the protection plate body is equipped with the connecting port matched with the plug connector, the protection plate body includes the frame, the frame is arranged on the side wall of the lithium battery body, the inner chamber of the frame is equipped with the circuit board, one side of the frame is sealedly installed with the cover plate, the cover plate is equipped with the air duct, the heat conduction assembly and the sealing assembly are linked in the present application, the heat of the integrated heat sink is conducted to the sealing rubber ring in the low temperature environment, the characteristics of the copper sheet are used for quickly absorbing heat and the heat conduction oil is used for uniformly radiating heat, the sealing rubber ring temperature is accurately controlled, the waterproof failure caused by hardening and brittleness of the traditional silica gel sealing ring in the prior art in the low temperature environment is solved, and then the problems such as element short circuit, solder corrosion and the like are caused.

This application provides a liquid-cooled lamp, belonging to the field of lighting fixture technology, including a housing, a lighting assembly, a front liquid-cooling component, and a rear liquid-cooling component. The housing has an illumination cavity. The lighting assembly is disposed within the housing to generate light directed towards the illumination cavity. The front liquid-cooling component is disposed within the housing and located on the side of the lighting assembly facing the illumination cavity. The front liquid-cooling component is used to connect with the lighting assembly to reduce the temperature of the side of the lighting assembly facing the illumination cavity. The rear liquid-cooling component is disposed within the housing and located on the side of the lighting assembly away from the illumination cavity. The rear liquid-cooling component is used to connect with the lighting assembly to reduce the temperature of the side of the lighting assembly away from the illumination cavity. Compared to traditional single-sided heat dissipation or air cooling methods, the liquid-cooled lamp provided by this application has a larger heat dissipation area and higher heat exchange efficiency with its double-sided liquid-cooling design, which can quickly reduce the lamp assembly temperature and avoid light decay or shortened lifespan due to overheating.

The utility model provides an automatic power-off distribution box for charging an electric automobile, which comprises a box body, a circuit breaker, a contactor, an intermediate relay and a current sensing switch, and is characterized in that the circuit breaker, the contactor, the intermediate relay and the current sensing switch are arranged on the inner side surface of the box body; the circuit breaker is electrically connected with the contactor, the contactor is electrically connected with the intermediate relay, and the intermediate relay is electrically connected with the current sensing switch. According to the automatic power-off distribution box for charging the electric automobile, through electrical mutual cooperation of the circuit breaker, the contactor, the intermediate relay, the current induction switch and the like, when the automatic power-off distribution box is used, a charging power supply is automatically cut off after the charging current is detected to be smaller than a set threshold value and lasts for one minute, and the automatic power-off distribution box is safe and reliable. And the battery is effectively prevented from being continuously charged after being fully charged, so that performance degradation and service life shortening caused by overcharge of the battery are prevented.

A plunger return device and a plunger pump are disclosed. The plunger return device includes an eccentric shaft, a rotating assembly, a first plunger, a second plunger, and a connecting member. The rotating assembly includes a rotating member, a moving member, and a rolling member. The rolling member is located between the rotating member and the moving member. The rotating member is connected to the eccentric shaft. The moving member includes an outer peripheral surface. The outer peripheral surface of the moving member includes a first outer peripheral portion and a second outer peripheral portion. The first plunger is fitted to the first outer peripheral portion. The second plunger is fitted to the second outer peripheral portion. The connecting member connects the first plunger and the second plunger. The distance between the first outer peripheral portion and a center axis of the eccentric shaft in a radial direction is different from the distance between the second outer peripheral portion and the center axis of the eccentric shaft in the radial direction. In this way, the wear of the first plunger and the second plunger is reduced.

The invention relates to the field of low-temperature shield pumps, in particular to a low-temperature shield pump bearing supporting structure and a low-temperature shield pump. The shield pump comprises a pump shell, a stator and a rotor, and the rotor is supported through bearings arranged at the two ends of the stator. The bearing on at least one side comprises a bearing support fixedly arranged on the stator and a sliding bearing installed in the bearing support. A mounting surface for mounting the sliding bearing is arranged on the bearing support, the mounting surface is a concave spherical surface, and the outer surface of the sliding bearing is a convex spherical surface matched with the concave spherical surface, so that a spherical matching structure is formed, and the angle of the sliding bearing can be adjusted relative to the bearing support within a limited range. By means of the structure, when the bearing support deforms under the low-temperature working condition, the sliding bearing can be kept coaxial with the axis of the rotor through posture self-adaption adjustment, and abnormal abrasion or failure of the bearing caused by axis deflection is avoided.

The application relates to the technical field of welding clamping, and discloses a welding robot manipulator screw clamping timing control method and system. The method comprises the following steps: driving a bidirectional screw to rotate forward to release a first clamping piece from a second clamping piece pre-contacting a clamped body; injecting a sinusoidal disturbance into the screw to collect a motor q-axis current response; performing inversion network embedding through a beam bending priori to obtain a load distribution ratio by regression with beam deflection and micro-amount difference constraints; and triggering release according to the load distribution ratio and clamping by a self-locking lead angle and a wedge-shaped conical surface. The application improves the state observability of the manipulator switching process and the intrinsic safety of the failure mode.

The utility model discloses a fast positioning's index plate belongs to index plate technical field, including work board, the upper end center position of work board is provided with index plate main part, and the inside center position of work board is provided with the protective cover switch mechanism, the utility model discloses a protective cover switch mechanism has been set up, can effectively protect index plate main part from the pollution of dust, sundries etc, when not using, and the protective cover main part is lifted through the protective cover switch mechanism, and index plate main part is completely covered and sealed, and the sealing washer further enhances the protection effect, avoids the problem that the index plate precision is reduced and the service life is shortened because of external factors, simultaneously, and the protective cover switch mechanism adopts the design of bidirectional screw rod and adjusting assembly, makes the lifting operation of protective cover main part simple, stable and accurate, and the user is convenient to the protection or use of index plate main part quickly, and the maintenance convenience and service life of index plate have been improved greatly.

This invention discloses a method, apparatus, and storage medium for estimating the lifespan of a display device. The method acquires the initial brightness value and the brightness value to be measured of the display device, and N pre-set lifespan estimation models corresponding to N brightness ranges. It further determines the brightness range to which the brightness value to be measured belongs, selects the lifespan estimation model corresponding to the brightness value to be measured from the N lifespan estimation models, and uses the selected lifespan estimation model to evaluate the lifespan of the display device when its brightness value is the brightness value to be measured. According to embodiments of this invention, the use of the same lifespan estimation model to evaluate the lifespan of the display device can be avoided, thereby improving the accuracy of the lifespan estimation of the display device.

The application relates to the technical field of workpiece machining. The application provides a caliper detection device, the caliper comprising a main body and a brake pad, the brake pad and the main body being in sliding connection; the detection device comprises: a rotary table, the caliper being capable of being installed on the rotary table, the rotary table being capable of rotating to drive the caliper to sequentially switch among at least a first station, a second station and a third station; and a sliding force testing device for testing the sliding force of the caliper located at the second station, the sliding force being the frictional force generated during the sliding of the brake pad relative to the main body; the caliper detection device provided by the application can effectively improve the efficiency and quality of caliper detection.

The utility model discloses an LED display screen module structure which comprises an outer shell, a PCB panel used for installing LED lamp beads is installed on the outer side face of the outer shell, and a reinforcing frame and a heat dissipation mechanism used for improving the heat dissipation performance of the PCB panel are installed in the outer shell. The four corners of one side face of the reinforcing frame are each provided with a dismounting and mounting mechanism facilitating dismounting of the whole module from the mounting frame. By means of the dismounting and mounting mechanisms, a height difference can be formed between every two adjacent modules through safe pressing, and therefore the faulty module can be rapidly taken down in a bare-handed mode; and meanwhile, the heat dissipation mechanism can effectively conduct efficient air exhaust and heat dissipation on the PCB panel, the temperature of the LED lamp beads is prevented from being too high, and the service life of the LED lamp beads is prolonged.

The utility model relates to the technical field of carriages, and discloses a wide-body dumper carriage which comprises a carriage body, a bottom plate is fixedly connected to the lower surface of the carriage body, a first air guide opening is formed in the bottom plate, a longitudinal beam is fixedly connected to the lower surface of the bottom plate, and a second air guide opening is formed in the longitudinal beam in a penetrating mode. A supporting beam is fixedly connected to the outer wall of the longitudinal beam, a cross beam is fixedly connected to one side of the outer wall of the longitudinal beam, two third air guiding openings are formed in the cross beam, a side bent beam is fixedly connected to one side of the cross beam, and an air outlet beam is fixedly connected to one end of the cross beam. According to the utility model, through the design of the plurality of longitudinal beams and the connecting cavities, the heating coverage rate of the bottom plate and the transition area is obviously improved, and meanwhile, the connectivity of the cavities is improved through the gas guide ports I, so that tail gas diffusion is more uniform; tail gas does not enter a cavity of the supporting beam, the shock absorber is prevented from being grilled, and the service life is prolonged; the first filter plate and the second filter plate effectively prevent blocking, stable operation of the system is guaranteed, and practicability of the whole carriage is improved.

The invention provides a wall-mounted waterproof charging gun for a new energy automobile, and relates to the technical field of waterproof charging guns, the wall-mounted waterproof charging gun comprises a charging pile, a charging wire is arranged at the lower end of the charging pile, a charging gun body is arranged at the end of the charging wire, the charging pile is mounted on a wall in a wall-mounted manner, a hook is mounted on the wall, and the charging gun body is connected with the charging pile. According to the charging gun, the deformation mechanism composed of the heat conduction ring, the first metal layer and the second metal layer is arranged in the disconnecting mechanism, heat conduction silicone grease is coated among the heat conduction ring, the first metal layer and the second metal layer to strengthen heat transfer, and bending force generated by differential expansion of the double metal layers is utilized to drive the clamping pin to rotate; the trigger spring releases elastic potential energy so that the charging gun body and the gun head can be rapidly separated to achieve automatic power off, the problems of part burning, insulation failure and the like caused by high temperature are effectively avoided, and the safety of a charging system and a new energy automobile battery is guaranteed from the two aspects of active power off and passive heat dissipation.

The application discloses an organic quaternary phosphonium salt microcrystal flexible X-ray scintillation screen and a preparation method and application thereof, and belongs to the technical field of organic photoelectric functional materials. The organic radiation luminescent material is prepared from triphenylphosphine and iodomethane as raw materials through a quaternary phosphonium reaction to obtain methyltriphenylphosphonium iodide crystals, and then the methyltriphenylphosphonium iodide crystals are ground, sieved, compounded with a PVA aqueous solution and drop-coated and dried to obtain the flexible X-ray scintillation screen. The preparation method has the advantages of mild reaction conditions, simple synthesis, cheap raw materials and easy product purification, and provides a new idea for preparing an organic scintillator. The PVA aqueous solution is doped with methyltriphenylphosphonium iodide microcrystals to prepare the scintillation screen, the prepared scintillation screen has the advantages of bright radiation luminescence, high imaging resolution, low detection limit, bendability and curlability, and successfully realizes static, curved surface and dynamic X-ray imaging.