54results about How to "Simplify structural complexity" patented technology

The invention discloses a broadband high-efficiency 1bit circularly polarized reconfigurable transmission unit and an array antenna. The reconfigurable transmission unit comprises a circularly polarized wave receiving patch, an upper-layer dielectric substrate, an upper-layer metal ground plane, a middle dielectric substrate, a DC bias line, a lower-layer metal ground plane, a lower-layer dielectric substrate and a radiation patch which are sequentially arranged from top to bottom, and can directly realize two unit phases of 0 degree and 180 degrees of circularly polarized transmission waves; the equivalent rotation phase is free of dispersion; the state of each unit in the transmission array is controlled through the FPGA, + / -60-degree large-angle scanning of circular polarization transmission beams can be achieved, the beam performance is good, and high circular polarization purity is achieved. The array antenna provided by the invention has the advantages of wide axial ratio bandwidth and high aperture efficiency, and has relatively high application potential and value in scenes requiring real-time electric control circular polarization beam scanning antennas, such as application of long-distance radar detection, communication systems and the like.

The invention relates to the technical field of glass fiber chopping equipment, in particular to an automatic feeding continuous online chopping machine and a control method thereof. The automatic feeding continuous online chopping machine comprises a first chopping unit, a second chopping unit, a first telescopic mechanism, a first lifting mechanism, a second telescopic mechanism and a second lifting mechanism, the first lifting mechanism and the second lifting mechanism are arranged on the rack; the first telescopic mechanism and the second telescopic mechanism are respectively arranged on the first lifting mechanism and the second lifting mechanism; the first chopping unit and the second chopping unit are arranged on the first telescopic mechanism and the second telescopic mechanism respectively. Circulation of the units is completed through lifting and telescopic movement of the two chopping units, the operation difficulty of yarn leading and head feeding and yarn leading and head changing is reduced, the structural complexity of the chopping units is simplified, the equipment operation efficiency and the operation completion precision are improved, and meanwhile, environment pollution and resource waste caused by generation of fine yarn particles can be avoided.

The invention discloses a distributed intelligent calculation center coupled with land wind power generation and an energy consumption control method thereof, and aims to solve the problem that land wind power generation resources are not matched with high-performance calculation requirements and realize effective utilization of power resources and optimal configuration of calculation resources. The distributed intelligent calculation center comprising the wind power generation system, the electric power allocation system, the calculation resource management system and the energy consumption monitoring control system is designed, and electric power supply is dynamically adjusted through the electric power allocation system according to the wind power generation power and the electricity demand of the intelligent calculation center. The computing resource management system reasonably allocates computing resources according to task load and computing requirements, and the energy consumption monitoring control system monitors energy consumption in real time and optimizes a strategy; the utilization rate of land wind power generation is improved, the energy consumption cost of an intelligent calculation center is reduced, and the overall efficiency of calculation resources is improved; in addition, diversified development of land economy is promoted, stable technical services and employment opportunities are provided for the local area, and deep fusion and application of new energy and information technologies are further promoted.

The invention belongs to the technical field of image target recognition, and particularly relates to an anti-interference target recognition method combining a pulse neural network and a capsule network, a program, equipment and a storage medium. A capsule structure is introduced into a pulse brain-like model, a self-attention mechanism is introduced, the protocol degree between capsules can be learned in single forward propagation, a capsule attention map is generated through a self-attention layer, and then the capsule attention map is mapped to a classification layer through a one-dimensional convolution layer, so that the model structure and the calculation complexity are simplified, and the accuracy of the model is improved. And irrelevant capsule voting can be selected and inhibited by utilizing a self-attention mechanism, so that information useful for entity recognition is reserved, and the capabilities of long-distance dependence and feature selection are improved. The method has good robustness under the conditions of different noises and different intensities, has good generalization and invariance for affine transformation, and improves the anti-interference capability of target identification.

The invention belongs to the technical field of semiconductor processing equipment, and discloses a reaction chamber, a surface treatment method and semiconductor device.The reaction chamber comprises a supporting plate, a first positioning table, an adsorption assembly, a second positioning table and a driving part, the first positioning table is fixedly installed on the supporting plate in an insulated mode and used for bearing a wafer or a blue film wafer, and the adsorption assembly is arranged on the second positioning table; the adsorption assembly comprises a plurality of ejector pins, the ejector pins slidably penetrate through the first positioning table and the supporting plate, the second positioning table is used for bearing the blue film wafer, the maximum height of the second positioning table protruding out of the supporting plate is larger than or equal to the maximum height of the ejector pins protruding out of the supporting plate, and the driving part is fixedly installed on the supporting plate through the installation frame. The driving piece can drive the ejector pin to slide along the first positioning table and the supporting plate and can drive the supporting rod to slide along the supporting plate at the same time. The reaction chamber is simple in structure, and the equipment cost is reduced. The semiconductor equipment provided by the invention comprises the reaction chamber. The surface treatment method is completed by adopting the reaction chamber.

The application provides a fermentation mechanism with multi-layer tray fixation, relates to the fermentation technical field, and comprises a hydraulic damping and oil path locking system formed by the cooperation of a groove, a piston block and a push spring; and a linkage mechanism which converts linear motion of a tray into a hydraulic drive signal by the cooperation of a fixing frame, the tray, a moving wheel, a fixing wheel, a belt, a rotating shaft, an intermediate sleeve, an extension rod, an extension sleeve, a double pulley and a tension spring. The mechanism automatically limits the speed by the flow damping of hydraulic oil when the tray is pulled out, and the oil path is locked by the cooperation of the elastic sheet and the groove and the blocking of the intermediate groove by the sealing sleeve when fixation is needed, so that the dough displacement or falling caused by too fast pulling out of the tray is effectively avoided, and the stability and safety of the fermentation operation are significantly improved.

The utility model relates to the technical field of shield equipment, and provides a rectangular vertical shaft heading machine and a vertical shaft heading system, and the vertical shaft heading machine comprises an excavation platform which is movably arranged in a vertical shaft along the excavation direction of the vertical shaft; the at least one excavation arm is rotatably connected to the excavation platform, the excavation arm is provided with an upper excavation arm and a lower excavation arm which are rotatably connected, the upper excavation arm is connected with the excavation platform, and the tail end of the lower excavation arm is connected with a cutter head; the first driving unit is connected between the excavation platform and the upper excavation arm so as to drive the excavation arm to swing in the first direction; the second driving unit is connected between the upper excavation arm and the lower excavation arm so as to drive the lower excavation arm to swing in the second direction; a certain included angle is formed between a first swing shaft, swinging in the first direction, of the excavation arm and a second swing shaft, swinging in the second direction, of the lower excavation arm. The vertical shaft heading machine can solve the problem that an existing vertical shaft heading machine cannot be well suitable for rectangular vertical shaft excavation of a water-rich rock stratum.

The utility model discloses a general feeding tray, include: tray subassembly, tray subassembly includes a square tray, and the square tray is provided with the unloading position, and the square tray is provided with first feeding area and second feeding area in, and first feeding area is located in square tray bottom surface, and second feeding area is along the bottom surface edge arrangement of square tray, and the surface of first feeding area and second feeding area is all arranged with a plurality of flexible antennae, the surface height of first feeding area is set from high to low along clockwise direction, and the surface height of second feeding area is set from low to high along clockwise direction, and the lowest end of second feeding area is butt joint with the lowest end of first feeding area, and the highest end of second feeding area is butt joint with unloading position, vibrator, install in square tray bottom, be used for providing vibration power for square tray, controller 4 is electrically connected with vibrator, is used for controlling the vibration frequency of vibrator. The utility model has solved the poor commonality of current vibration feeding tray, and the problem of high cost.

The application provides a low-computational-cost lithium ion battery reliable power prediction method and system, which comprises three steps: step one: obtaining offline parameters of a gas-liquid heat electric coupling model; step two: on-line joint identification of parameters of the gas-liquid heat electric coupling model and prediction of reliable power; and step three: development of a low-computational-cost lithium ion battery reliable power prediction system. The adaptability of the self-adaptive factor promotion gas-liquid heat electric coupling model to high and low rate charging and discharging conditions, the on-line joint identification model parameter and reliable power prediction technology, the significant simplification of the structural complexity of the traditional prediction method, the low computational cost, the easiness in implementation on an embedded system and the solution to the poor timeliness of the reliable power prediction under high and low rate conditions in engineering.

A mining mobile bicycle comprises a bearing platform, a steering assembly and a wheel assembly, the wheel assembly is rotationally connected with the bearing platform through the steering assembly, the rotating axis between the wheel assembly and the bearing platform is a second rotating axis, the top face of the bearing platform is a bearing plane, and the second rotating axis is perpendicular to the bearing plane. The wheel assembly comprises an axle and wheel bodies, the axle is arranged on the steering assembly, the two sides of the axle are each provided with one wheel body, the wheel body on any side is correspondingly in rolling fit with one guide rail, the axle is rotationally connected with the steering assembly, the axle and the wheel bodies rotate synchronously, and each guide rail is provided with at least one arc-shaped section. The annular wall of each roller is a first rolling surface, the first rolling surfaces are conical surfaces, the first rolling surfaces of the rollers on the two sides are designed to be conical surfaces, and the diameters of the first rolling surfaces of the contact points of the rollers on the two sides and the corresponding guide rails are continuously and automatically adjusted till the angular speeds of the rollers on the two sides are equal, so that the structural complexity of the wheel assembly is simplified, and the mining moving train set is further provided.

This invention belongs to the field of semiconductor processing equipment technology, and discloses a reaction chamber, a surface treatment method, and a semiconductor device. The reaction chamber includes a support plate, a first positioning stage, an adsorption assembly, a second positioning stage, and a driving component. The first positioning stage is insulated and fixedly mounted on the support plate and is used to support a wafer or a blue film wafer. The adsorption assembly includes a plurality of pins that slide through the first positioning stage and the support plate. The second positioning stage is used to support the blue film wafer, and the maximum height of the second positioning stage protruding from the support plate is greater than or equal to the maximum height of the pins protruding from the support plate. The driving component is fixedly mounted on the support plate by a mounting bracket. The driving component can drive the pins to slide along the first positioning stage and the support plate, and can simultaneously drive the support rod to slide along the support plate. This reaction chamber has a simple structure, reducing equipment costs. The semiconductor device of this invention includes the above-described reaction chamber. The surface treatment method of this invention is performed using the above-described reaction chamber.

The application discloses a water pan structure and a heat pump swimming pool equipment. The water pan structure comprises a first water pan, at least two limiting pieces and a fixing piece. The first water pan can be used for mounting two finned heat exchangers. Two limiting pieces are arranged on one side of the first water pan, and the two limiting pieces are respectively located at two end corners of the first water pan. The limiting pieces are used for limiting one side of end plates of the finned heat exchangers. The fixing piece is arranged on the other side of the first water pan, and the fixing piece is located on the center line of the first water pan. The fixing piece can be fixed with the other side of the end plates of the two finned heat exchangers. The application cancels the traditional positioning slot design, completely eliminates the condensate leakage channel caused by the slot gap, and can accurately position and fix the finned heat exchanger, thereby improving the assembly efficiency.

The invention provides a stator assembly with adjustable stator blades. The stator assembly comprises a casing, a stator blade and an adjustable stator blade, the inner ring is arranged in the casing, and a plurality of first mounting holes are sequentially formed in the inner ring around the axial direction of the stator assembly; the adjustable stator blades are in one-to-one correspondence with the first mounting holes, each adjustable stator blade comprises a blade body arranged between the casing and the inner ring and a first mounting shaft connected with the blade body, and at least part of each first mounting shaft is arranged in the corresponding first mounting hole; a guide hole part is arranged on the side, close to the blade body, of the first mounting hole, and the hole diameter of the guide hole part is increased in the direction close to the blade body. A guide shaft part is arranged on the side, close to the blade body, of the first mounting shaft, the shaft diameter of the guide shaft part is decreased in the direction away from the blade body, and the guide shaft part is mounted to the guide hole part. In this way, the assembling efficiency of the stator assembly can be improved, the assembling cost of the stator assembly is reduced, and the assembling quality of the stator assembly is improved.

The invention discloses an intelligent dynamic coding system based on multi-modal visual identification and a control method, and relates to the technical field of automatic coding, and the system comprises a data synchronous collection module which obtains multi-modal data containing a sensitive area and carries out calibration output; the space-time-confrontation feature fusion module extracts and fuses multi-modal features; the dynamic trajectory prediction module generates a precise motion trajectory; the coding path optimization module generates and optimizes a coding path; the execution and feedback module drives code printing equipment to execute, collects effect data and feeds back the effect data to the preorder module, and an iterative optimization closed loop is formed; an integrated framework is adopted, driving, regulating and monitoring units are deeply fused, the structure is simplified, stability and reliability are improved, multiple scenes are flexibly adapted, meanwhile, a multi-module cooperation mechanism is constructed, signal and energy interaction is optimized, efficiency is improved, energy consumption and cost are reduced, maintenance and upgrading are facilitated through modular design, and practicability and market competitiveness are enhanced.

The utility model discloses a separate brake and transmission mechanism for bicycle assembly, its structure includes the frame, the frame front end integral fixed link frame front fork, rear end integral fixed link frame rear fork, the one end installation front brake integrated assembly of frame front fork far from the frame, the one end installation rear brake integrated assembly of frame rear fork far from the frame, and the front brake integrated assembly includes the front disc brake mounting seat and the cylinder axle installation auxiliary ware of symmetrical setting in the inside both sides of frame front fork, and the transmission of both is installed with front hub, and the rear brake integrated assembly includes the transmission tower base and rear disc brake mounting seat of symmetrical setting in the inside both sides of frame rear fork, and the transmission of both is installed with rear hub, and the transmission tower base outside sets up the clamping freewheel, and this structure realizes the separate layout of brake and transmission, simplifies the overall structure and is convenient for separate dismounting maintenance, guarantees the braking and transmission cooperation of front wheel and rear wheel, improves the braking response speed and power transmission efficiency.

This utility model discloses a miniature ball bearing for a cooling fan, comprising an outer ring, an inner ring, a cage, a dust cover, and rolling elements movably disposed between the outer and inner rings. Both the inner and outer peripheral walls of the outer ring and the inner ring have circumferentially formed grooves for the rolling elements to move. Both ends of the inner peripheral wall of the outer ring have circumferentially formed stepped grooves for installing the dust cover. The connections between the grooves of the inner ring and the outer peripheral wall of the inner ring, and between the grooves of the outer ring and the inner peripheral wall of the outer ring, have chamfered edges. A retaining spring is provided in the stepped groove for an interference fit with the stepped groove. The inner wall of the retaining spring abuts against the outer wall of the dust cover, while the outer peripheral wall of the dust cover has a clearance fit with the inner peripheral wall of the stepped groove. The curvature coefficient of the grooves of the outer ring is greater than that of the grooves of the inner ring. This utility model solves the problems of traditional miniature ball bearings, such as increased bearing ellipticity due to dust cover installation leading to out-of-tolerance bearing ellipticity, and assembly damage during rolling element installation leading to unqualified rolling element vibration during bearing operation.

The utility model belongs to the technical field of jet drawing, and particularly relates to a three-dimensional graph jet drawing device, which comprises a base, a control system, a moving system connected with the control system and a jet drawing system, and the jet drawing system is connected with the moving system and comprises a visual detection unit, an air supply mechanism, a plurality of groups of ink supply mechanisms and a nozzle. The inkjet system has the functions of automatic positioning and automatic distance measurement, can automatically identify the position and graphic information of a graphic to be inkjet, feeds the information back to the control system in real time for analysis and comparison, and then the control system transmits an inkjet instruction to realize automatic inkjet operation; besides, the inkjet system has the functions of automatically detecting the remaining amount of ink and automatically adding the ink, the nozzles can be independently lifted, and the heights of the different nozzles can be controlled and adjusted according to different height fluctuations of the three-dimensional graphs, so that the inkjet system can adapt to different three-dimensional graphs, the inkjet effect and efficiency are effectively improved, and the application range is wide. And the problem of low color rendition degree of painting is avoided.

This invention discloses an automated warehouse racking system, belonging to the field of warehousing technology. It includes a storage rack and a railcar. The railcar is equipped with a lift, and the output end of the lift is equipped with a loading platform. The output end of the loading platform is equipped with an adjusting rod and a conveying assembly. The storage assembly includes a storage container and a lifting assembly, with several first electric rollers installed inside the storage container. This invention offers two operating modes: single-item direct retrieval and multi-item continuous retrieval. In scenarios involving scattered / urgent items, goods can be directly transferred via the conveying assembly without temporary storage via the storage assembly, resulting in a short operational chain and fast response speed. In scenarios involving batch operations, multiple items can be temporarily stored via the storage assembly, allowing for the retrieval of multiple items in a single round trip, significantly reducing the number of round trips by the stacker crane and improving overall operational efficiency.

The invention relates to the technical field of air conditioner condensate water grading utilization, in particular to laboratory air conditioner condensate water grading utilization equipment which comprises a water storage tank and a detection assembly used for obtaining water quality information. The grading assembly is used for determining the water quality grade of the air conditioner condensate water and sending a grading instruction; the water conveying assembly is used for conveying the air conditioner condensate water stored in the water storage tank to the corresponding water storage tank; the water storage assembly is used for storing the air conditioner condensate water of the corresponding water quality grade; the conversion assembly is used for converting the air conditioner condensate water stored in the first water storage tank and the second water storage tank; according to the invention, intelligent management of links of collection, detection, grading, storage, conversion, utilization and the like of the condensate water is realized, the efficiency and the accuracy of air conditioner condensate water treatment are improved, and the suitability and the availability of secondary utilization of the air conditioner condensate water in a laboratory environment with strict water quality requirements are greatly expanded.

The utility model belongs to drying equipment technical field, especially is related to a kind of turnover screen mechanism. The existing drying screen board is designed in one-way bearing, and the working surface is downward when returning, so it cannot bear material, resulting in that screen board only plays conveying role in the first half of the whole process, and the transportation area and transmission resources in the return stage are idle, which directly limits the material processing capacity of equipment per unit time. Including two groups of symmetrical turnover mechanisms, two groups of chains are commonly connected in transmission on the two groups of turnover mechanisms, and a plurality of screen boards are commonly connected in rotation between the two groups of chains. An upper guide rail and a lower guide rail are arranged between the two groups of turnover mechanisms and below the chains. Symmetrical rotating mechanisms and guide wheels are arranged on the two short sides of the screen board. The rotating mechanisms are respectively connected in rotation between the two groups of chains. The guide wheels respectively contact and slide with the upper guide rail and the lower guide rail.

The utility model discloses a powdery solid waste treatment system which comprises an equipment unit, the equipment unit comprises an elution module, the elution module comprises a liquid washing device, a first filtering device and a slag conveying device, and the first filtering device is provided with a slag discharging part; the slag conveying device is used for receiving slag discharged by the first filtering device through the slag discharging part, the slag conveying device is further used for conveying the slag into the liquid washing device, and the liquid washing device is communicated with the first filtering device; the number of the liquid washing device and the number of the first filtering device are both one, the liquid washing device is used for executing each liquid washing sub-process in the liquid washing process of the powdery solid waste, and the first filtering device is used for executing each first filtering sub-process in the liquid washing process of the powdery solid waste. The treatment system for the powdery solid waste comprises a relatively small number of devices, can reduce the requirement for the occupied space of installation, and is beneficial to popularization and application.

The invention discloses battery transmission equipment and a battery transfer system comprising the battery transmission equipment, the battery transmission equipment is used for transferring batteries among a plurality of battery bins arranged in the vertical direction of a battery rack, and the battery rack is provided with guide columns arranged in the vertical direction. The battery conveying equipment comprises a battery taking and placing mechanism used for taking and placing the battery from the battery compartment and a guide device, the guide device is arranged on the battery taking and placing mechanism, and the guide device is used for abutting against at least one side face of the guide column and is movably arranged along the guide column for guiding. According to the guiding device of the battery conveying equipment, lifting of the battery conveying equipment is guided through the side faces of the guiding columns of the battery rack provided with the battery bin positions, reliable lifting of the battery conveying equipment is guaranteed, meanwhile, the structural complexity of the battery conveying equipment is effectively simplified, the purpose of improving the operation reliability of the equipment is achieved, and the service life of the equipment is prolonged. And the manufacturing cost can be reduced.

The utility model relates to oil pressing equipment which is used for stacking and pressing a plurality of oil carriers and comprises at least three stand columns. The oil pressing equipment comprises a jacking device and a jacking seat. The stacking device is installed on the stand column in a sliding mode; the stacking device comprises a lower stacking assembly, an upper stacking assembly, a bottom bracket, a connecting frame and a lifting assembly, the lifting assembly pushes the lower stacking assembly to move between the upper stacking assembly and the bottom bracket, and the lower stacking assembly clamps and moves an oil carrier on the upper stacking assembly or the bottom bracket; the jacking device abuts against the lower side of the bottom bracket and pushes the stacking device to integrally ascend and descend. According to the stacking device, stacking of the oil carriers can be independently completed through the lifting assembly, the lower stacking assembly and the upper stacking assembly, participation of large hydraulic cylinders such as jacking devices is not needed in the stacking process, energy consumption is greatly reduced, and structural complexity is simplified.

This utility model discloses a split-type ribbed wheel hub assembly, belonging to the field of automotive parts technology. The wheel hub assembly includes a wheel hub body and multiple plate-shaped ribs separately disposed therefrom. The wheel hub body has a central ring at its center, and its outer contour has multiple equally spaced bosses. One end of each plate-shaped rib is detachably connected to the central ring mounting part on the central ring via a first fastener, and the other end is detachably connected to the corresponding boss via a second fastener. Preferably, the boss consists of a boss seat and a boss cover, with the end of the plate-shaped rib extending into the cavity of the boss seat and fixed by the boss cover. The core of this utility model lies in changing the traditional one-piece molded ribs to a split, detachable connection structure, effectively solving the problems of complex manufacturing processes, high maintenance costs, and limited material selection in the prior art. It also facilitates personalized customization and has significant advantages such as high production yield, good economy, and great potential for performance optimization.

The utility model discloses an air-cooled energy storage battery cabinet which comprises a cabinet body and a cold air assembly installed on one side face of the cabinet body, part of the space of the cabinet body is divided into a plurality of partition positions for rotating batteries in the vertical direction by supporting plates, and the partition positions are communicated through ventilation hole sets; front reserved positions are reserved between the cold air assembly and the partition positions, an air return duct matched with the air return port is formed through the partition positions, the air return duct is located in front of the partition positions, and an air inlet duct opposite to the air return duct is formed behind the partition positions through reserved intervals. Low-temperature airflow generated by the cold air assembly enters the air inlet duct from the uppermost partition position through the air guide piece. The battery cabinet uses a single cold air source, and efficient air flow is realized through optimized air duct design. Compared with a traditional single-wind air conditioning system, the design effectively avoids the formation of an internal heat dissipation blind area, so that cold air is distributed more uniformly, and each battery pack can be effectively cooled.

The present disclosure relates to a negative pressure liquid cooling distribution system and a data center, the negative pressure liquid cooling distribution system comprising a negative pressure liquid cooling distribution unit and a negative pressure generating device, the negative pressure liquid cooling distribution unit comprising a first liquid tank, a second liquid tank and a circulating pump, a liquid outlet of the second liquid tank being configured to be connected with a liquid inlet end of a cooling structure of a server, a liquid inlet of the first liquid tank being configured to be connected with a liquid outlet end of the cooling structure, the negative pressure generating device being connected with the first liquid tank and the second liquid tank and being configured to enable the absolute pressure in the first liquid tank and the absolute pressure in the second liquid tank to be less than the atmospheric pressure, the negative pressure liquid cooling distribution unit having a first state, in the first state, the absolute pressure of the first liquid tank and the absolute pressure of the second liquid tank are both less than the atmospheric pressure, and the absolute pressure in the second liquid tank is greater than the absolute pressure in the first liquid tank, the circulating pump being connected between the first liquid tank and the second liquid tank and being configured to pump the cooling medium in the first liquid tank to the second liquid tank.

The invention relates to the technical field of mowing, and discloses an edge trimming mechanism and a mowing device.The edge trimming mechanism is used for being connected with a vehicle body and can move from an unfolding position to a storage position, and the edge trimming mechanism comprises a swing arm assembly, a cutter head assembly, a driving part and a guiding part. The first end of the swing arm assembly is connected with the vehicle body, the swing arm assembly can swing around a first axis relative to the vehicle body and can swing around a second axis, an included angle is formed between the first axis and the second axis, the cutter head assembly is connected with the second end of the swing arm assembly, and the driving part is used for driving the swing arm assembly to swing around the first axis. The guiding piece is connected with the swing arm assembly in a matched mode, and when the driving piece drives the swing arm assembly to swing around the first axis, the guiding piece is used for making the swing arm assembly swing around the second axis. According to the invention, swinging around double shafts is realized only through mechanical cooperation, the structural complexity is simplified, motor faults are reduced, the cost is reduced, and the problem that a mowing robot in the prior art does not have enough accommodating space for accommodating an edge trimming mechanism is solved.

The invention discloses a battery device, a heat insulation assembly and a power utilization device, and relates to the technical field of batteries, the battery device comprises the heat insulation assembly and a plurality of battery monomers, the plurality of battery monomers are arranged in sequence, the heat insulation assembly is arranged between the adjacent battery monomers, the heat insulation assembly comprises a shell, a phase change material piece and a supporting piece, the shell is provided with a liquid outlet and an air inlet, and the liquid outlet is communicated with the phase change material piece. The air inlet is located above the liquid outlet, the phase change material piece is arranged in the containing cavity and changes phases between a liquid state and a solid state, the solid-state phase change material piece blocks the air inlet and the liquid outlet, the liquid-state phase change material piece opens the air inlet and the liquid outlet and discharges the air through the liquid outlet, and the supporting piece is an elastic piece and is arranged in the containing cavity. By arranging the heat insulation assembly, the risk of thermal runaway spreading is reduced, by arranging the gas inlet and the liquid outlet in the shell, the risk of pyrolysis product accumulation is reduced, the contact thermal resistance can be ensured after the phase change material piece is discharged, and meanwhile, the structure of the battery device can be simplified.

The aerodynamic layout comprises a fuselage, wings and an empennage, the wings are installed on the fuselage, the empennage is connected with the wings, the wings comprise a middle wing, outer wings and winglets, the middle wing is connected to the upper end of the middle of the fuselage, the outer wings are symmetrically arranged on the two sides of the middle wing, the winglets are arranged on the edges of the outer wings, the plane shape of the middle wing is rectangular, and the plane shape of the middle wing is rectangular. The plane shape of the outer wing is trapezoid, the sweepback angles of 1 / 4 chord lines of the middle wing and the outer wing are both 0 degree, the dihedral angle of the middle wing is 0 degree, the dihedral angle of the outer wing is 0.5 degree, the empennage comprises a vertical tail and a horizontal tail, and the vertical tail is connected to the wings and arranged behind the fuselage. A stable laminar flow field can be formed in a low-speed cruising state through the combined design of specific structures of the rectangular middle wing and the trapezoidal outer wing, wingspan loads are distributed in an oval trend through the trapezoidal design of the outer wing, induced resistance can be reduced by combining the structural design of the wingtip winglet, and additional resistance caused by the sweepback angle is eliminated through the design that the sweepback angle is 0 degree.

The utility model belongs to the technical field of infrared sensors, and particularly relates to an integrated pyroelectric infrared sensor which comprises a substrate, a photosensitive element and an infrared assembly. The infrared assembly comprises a tube cap, an infrared optical filter and an infrared sensitive element; the tube cap is installed on the substrate, an internal space is arranged between the substrate and the tube cap, and the infrared sensitive element is installed in the internal space; the tube cap is provided with a window, and the infrared optical filter is installed in the window in a sealed mode. The side wall of the pipe cap comprises at least one cambered surface section and at least one straight surface section; the cambered surface section is arranged opposite to a circular lens of the pyroelectric sensor; the photosensitive element is arranged on the substrate and is opposite to the straight surface section; the tube cap and the photosensitive element are both located in the orthographic projection of the circular lens on the substrate. According to the integrated pyroelectric sensor, only one through hole opposite to the circular lens needs to be formed in the outer shell, a through hole does not need to be additionally formed in the photosensitive element, the installation convenience and attractiveness of the integrated pyroelectric sensor are guaranteed, and the installation cost of the integrated pyroelectric sensor is reduced.