870 results about "Modular construction" patented technology

The invention discloses an active prediction type modular battery thermal management system, which comprises the following steps: a liquid path and electrical connection module, a data acquisition module, a communication transmission module, a working condition identification module, a feedback control module, a cooperative control module, an execution adjustment module, a state feedback module, an exception handling module, a redundancy switching module and the like. A prediction control instruction is generated by combining a working condition recognition result, a fusion control quantity is formed by the prediction control instruction and temperature feedback, amplitude limiting control is conducted according to thermal power evaluation and a set threshold value, coordinated adjustment of a pump, a valve and a bypass assembly is achieved, and if recognition fails or data is abnormal, the system automatically freezes prediction control and executes closed-loop adjustment only depending on feedback. And the standby device takes over the fault after fault judgment, so that continuous operation and safety maintenance of the system are guaranteed. The system has a modular structure and complete maintenance process support.

The invention discloses a hot melting forming device and method for a synthetic quartz glass cylinder, through modular structural design, the synergistic effect of positioning, exhausting, pressing and forming is achieved, and the hot melting forming device for the synthetic quartz glass cylinder specifically comprises a graphite pressure head connecting rod, a graphite pressure head, a graphite center rod and a forming mold. According to the hot-melting forming method for the synthetic quartz glass cylinder, the device is adopted, a synthetic quartz glass ingot is pretreated, a low-impurity demolding material is laid during assembling, gradient heating is conducted on three temperature areas of a heating furnace, pressurization is conducted after softening, and then differential cooling is conducted, so that efficient preparation of the high-purity synthetic quartz glass cylinder is achieved; and the purity of the finished product meets the strict requirements of high-precision processes such as semiconductor wafer processing and thin film deposition on the material purity. According to the invention, the large-diameter and ultra-long synthetic quartz glass cylinder can be stably produced, the requirement of large-size development of semiconductor equipment is met, and the blank in the field of large-size high-purity quartz glass cylinder preparation in the prior art is filled.

The invention discloses an assembly type building stair mold, and relates to the technical field of stair molds, the assembly type building stair mold comprises a mold mechanism, the side face of the mold mechanism is provided with a transverse steel bar limiting mechanism, and the transverse steel bar limiting mechanism is used for limiting and fixing transverse steel bars in a prefabricated stair. According to the longitudinal reinforcement limiting mechanism, the height of a clamping head is accurately adjusted through a third mounting bolt, the clamping head can be flexibly selected according to the diameter of a longitudinal reinforcement, the mounting height and position of the longitudinal reinforcement can be accurately controlled, the overall positioning accuracy of a reinforcement framework is guaranteed, and then the mechanical property of the prefabricated stair is improved; the sleeve plays a role in protecting the end, inserted into the mold mechanism, of the third mounting bolt, it is avoided that concrete adhesion affects bolt disassembly, meanwhile, due to the detachable design of the third mounting bolt and the modular structure of the steel bar limiting mechanism, the demolding difficulty is lowered, damage to stairs after a component is formed is reduced, and the demolding efficiency and the finished product quality are improved.

Provided is a three-dimensional truss optimal designing and manufacturing method based on relaxed modular constraint. The method includes the following steps: initial design layout optimization, cluster analysis identification module arrangement, relaxed modular constraint design, geometric optimization, and 3D printing manufacturing and integrated assembly. The method has the following beneficial effect. A three-dimensional truss structure containing various module types is automatically designed by an iterative method. In the iterative process, a cluster analysis method is introduced to identify the module arrangement. By applying relaxed modular constraints, an optimized solution is gradually pushed to the modular structure. The optimization results of the three-dimensional truss have the characteristics of various types of modular structures, which is relatively easy to manufacture. An iterative solution method of cluster analysis identification module arrangement and relaxed modular constraint design is proposed.

The invention provides a leading pretreatment device for pumping and cleaning clustered marine organisms and floaters, the leading pretreatment device comprises a buoyancy platform, a butt joint structure, a controller and a dispersion assembly, a treatment cabin is arranged in the middle of the buoyancy platform, and the dispersion assembly is composed of a turbulent flow triggering assembly and a liquid spraying assembly; impurities are collected in a suction mode, the device is provided with self-buoyancy and a modular structure and can be rapidly in butt joint with a tail bag of an interception net, the optimal suction posture is achieved, and the core innovation of the device is that a dispersing assembly and a cutting device are sequentially arranged in the suction direction, material distribution is achieved through a rotating cylinder and a conical column, and high-frequency vibration and a reverse micro-impact mechanism are combined; the block mass structure is effectively damaged; by adopting the unique design of the fixed impeller and the rotary volute, an annular liquid curtain is formed when the barrel rotates, so that the winding property and the overall strength of disaster-causing objects can be reduced, the disaster-causing objects are more easily scattered and cut by subsequent components, the subsequent mechanical load is reduced, the problem of blockage of a flow channel is solved, and the energy consumption and the abrasion of equipment are reduced.

The invention relates to the technical field of check valves, in particular to a butterfly check valve with opening indication, which comprises a valve body, a transmission gear and a frame body are respectively arranged on the surface and the top of a right-angle part of an L-shaped mounting groove of the valve body, and a screw rod transmission mechanism on the inner wall of the frame body is respectively connected with the transmission gear and a strip-shaped sliding seat which is horizontally and slidably connected to the top of the frame body; a mechanical opening indicating mechanism; and a sensing indication mechanism is integrated. Opening, flow, pressure and sealing states can be detected synchronously, mechanical indication and electronic sensing are combined, electricity-free use and digital reading are both considered, and misjudgment is reduced through the multi-redundancy design; the transparent observation plate and the modular structure are convenient to operate and maintain, and the liquid collection and drainage design prevents interference of condensate water; the flowmeter wear-resistant ceramic probe and the pressure sensor moisture-proof shell are adaptive to complex working conditions; backflow can be effectively recognized through bidirectional flow detection and triple sealing verification, the safety redundancy of a system is greatly improved, and the problems that a traditional check valve is single in function and insufficient in reliability are solved.

The invention discloses a modular assembly type hydraulic jacking portal crane which comprises a rail device, a hydraulic jacking device and a hydraulic jacking device. The number of the walking devices is two, the walking devices are movably arranged on the left track and the right track respectively, each walking device comprises a power unit and a walking vehicle, and the power units are connected to the walking vehicles in a replaceable mode and used for driving the walking vehicles to move along the track devices; the supporting device is detachably arranged on the walking vehicle; the cross beam is detachably arranged on the supporting device; wherein the rail device, the walking device, the supporting device and the cross beam are all of modular structures and can be adaptively adjusted and assembled according to needs, and the driving friction force of the power unit relative to the rail device can be adjusted. The crane can efficiently and conveniently complete manual installation, hoisting operation and disassembly transition in a high-floor room and other scenes with limited space, the driving friction force can be accurately and efficiently adjusted, and efficient and safe load hoisting can be achieved.

The invention discloses a longitudinal bending composite type six-degree-of-freedom piezoelectric active vibration isolation platform and a working method thereof. The vibration isolation platform adopts a modular structural design, a vibration isolation connecting platform and a base platform are sequentially arranged from top to bottom and are connected through four uniformly distributed vibration isolation modules, and each vibration isolation module forms a multi-stage vibration transmission structure through a fixed base, a transducer base, a piezoelectric transducer, an amplitude-change pole, a pre-tightening bolt and a small flexible hinge. The control module collects feedback signals of a first acceleration sensor arranged on the vibration isolation connecting platform and feedforward signals of a second acceleration sensor arranged on the base platform, and outputs 12-channel control signals to the piezoelectric transducers of the vibration isolation modules after signal processing. The piezoelectric transducer is driven to generate a composite motion mode of longitudinal vibration and multidirectional bending vibration, and active suppression of longitudinal vibration and radial bending vibration in any direction of a vibration isolation object is achieved. The device has the advantages of multi-degree-of-freedom vibration isolation, compact structure, lightweight design, independent control, high stability and the like, and has important application value in the fields of space reflecting mirrors, micro-nano manufacturing equipment vibration control and multi-degree-of-freedom vibration isolation systems.

The invention relates to the technical field of refrigeration equipment, and discloses a refrigerator which comprises a refrigerator body, a door body and an ice maker. The box body comprises a box shell and an inner container, and a refrigeration cavity is formed in the inner container; the ice maker is arranged in the refrigeration chamber; the ice maker comprises a water injection unit, a rack and ice cube trays, the water injection unit is connected with the inner container, the rack is mounted on the water injection unit, and the ice cube tray is hinged in the rack; wherein the water injection unit comprises an end cover and a water injection pipe; the number of the end covers is at least two, the end covers are sequentially arranged on the inner container, and every two adjacent end covers are detachably connected. The water injection pipes and the end covers are arranged in the same number, and the water injection pipes are connected with the end covers in a one-to-one correspondence mode. By arranging the end covers which are detachably connected, the water injection pipes are connected with the end covers in a one-to-one correspondence mode, the modular structural design of the water injection units is achieved, the end covers of the water injection units of different specifications can be commonly used, the specification structures of the end covers can be subjected to unified batch production, and then the production cost is reduced.

The invention is suitable for the field of portal frames, and discloses a portal frame dynamics analysis method which comprises the following steps: establishing a full-order finite element model of a portal frame, and obtaining a mass matrix and a stiffness matrix of the full-order finite element model; dividing the full-order finite element model into a plurality of substructures based on the modular structure characteristics of the portal frame, and decomposing the degree of freedom of each substructure into an internal degree of freedom and a boundary degree of freedom; constructing a fixed boundary main modal matrix and a constraint modal matrix of each substructure, and constructing a reduced-order basis matrix; performing modal polycondensation on a mass matrix and a stiffness matrix of the full-order finite element model by using the reduced-order basis matrix to generate a reduced-order mass matrix and a reduced-order stiffness matrix, and constructing a reduced-order kinetic equation; and solving the reduced-order kinetic equation to obtain reduced-order modal coordinates, carrying out inversion reduction in combination with the reduced-order basis matrix and the reduced-order modal coordinates to obtain a displacement response vector of the full-order finite element model, and retaining key kinetic information of the portal frame to the greatest extent through reduced-order efficiency improvement.

The invention relates to the technical field of heat exchangers, in particular to an axial tube plate module combined heat exchanger and a working method.The heat exchanger comprises two end sockets, a plurality of axial tube plate modules sequentially arranged in series, a first medium inlet, a first medium outlet, a second medium inlet and a second medium outlet, the axial tube plate module comprises a shell, two vertical tube plates arranged in parallel in the axial direction of the shell and a plurality of first heat exchange tubes penetrating through the vertical tube plates, the shell is divided into a middle shell pass cavity and two side tube pass cavities through the two vertical tube plates, partition plates are arranged at the ends of the tube pass cavities, and communicating holes are formed in part of the partition plates, so that shell pass flow channels are sequentially communicated in the multiple modules. Forming a serpentine flow path of the first medium; the shell pass cavities of the adjacent modules communicate with each other to form a second medium flow channel, each axial tube plate module is equivalent to an independent heat exchange unit, multi-stage heat exchange is achieved in a single device through a modular structure, multiple devices and external pipelines are not needed, the heat exchange efficiency is remarkably improved, and the structure is simplified.

A connection assembly for modular construction includes an upper junction connector coupled to an upper end of a column. The upper junction connector includes an upper end that has a planar upper surface, a recessed surface, and at least one connector sidewall extending between the upper surface and the recessed surface. The recessed surface and the at least one connector sidewall define a contiguous recessed area in the upper end that extends to second, third, and fourth edges of the upper end of the connector. A slot extends through the upper end adjacent to an interior surface of a column sidewall. A transverse bore extends through the first column sidewall proximate to and aligned with the slot.

A modular hairpin winding structure consists of four types of hairpin wires and two flat wire conductors forming at least one phase unit within a phase winding. Each phase unit is distributed along a portion of the stator core circumference and functions as an independent modular structure to simplify wiring design and reduce assembly complexity.

The invention relates to a tissue engineering trachea, which combines an additive manufacturing technology with a biological material, simulates the form and the function of a natural gas pipe, designs a cartilage-fiber alternating ring structure and a bionic fiber band structure, and designs a unique blood supply channel in a fiber section. The trachea fiber section is composed of hydrogel with a hierarchical porous structure, and a circumferential blood vessel channel and a radial blood vessel pore channel are designed in the hydrogel so as to promote ingrowth and growth of new blood vessels and optimize the blood supply reconstruction process. The tracheal cartilage section is made into a C-shaped cartilage ring with cartilage cells through a biological printing technology, and necessary mechanical support is provided. The fiber segment and the cartilage segment are effectively integrated through chemical bonds of functional groups to ensure stable connection of the two. Partitioned construction of fibers and cartilage is achieved through the biological 3D printing technology, the bionic tissue engineering trachea is formed in a modular construction-integrated assembly mode, it is verified that repairing and reconstruction of multiple types of tissue bionic tracheas can be achieved, and an innovative solution is provided for tracheal injuries.

The invention discloses a linear evaporation source and a co-evaporation evaporation source, belongs to the technical field of vacuum coating equipment, and aims to solve the problems of uneven heating, serious heat radiation overflow, easiness in nozzle condensation and inconvenience in maintenance in the prior art. The linear evaporation source comprises a body provided with a cavity and a nozzle, and is characterized in that a slit which does not penetrate to the cavity is formed in the body, a heating source is arranged in the slit, and the heating source heats the body wall where the cavity is located. According to the design, efficient and uniform direct heating is achieved, heat is conducted through the body wall to effectively heat the nozzle to prevent condensation, and the modular structure is convenient to maintain. The slits are arranged at the bottom and the top or on the two side walls so as to optimize the thermal field and inhibit thermal radiation. In addition, a trunk-branch type heating network and an intra-cavity rectifying plate can be arranged or a plurality of units are integrated to form a co-evaporation source. The device is particularly suitable for evaporation of high-melting-point materials such as metal, and has the advantages of being high in heating efficiency, accurate in temperature control, good in film thickness uniformity and convenient and fast to maintain.

The invention belongs to the technical field of cold atom beam preparation equipment, and discloses a cold atom beam generation device capable of rapidly replacing an atom source, and the device comprises a vacuum optical cavity which is a hollow cavity and is provided with at least one connection port; the atomic source module is arranged in the vacuum optical cavity and is detachably connected with the connecting port of the vacuum optical cavity; and the port function module is detachably and hermetically connected with the connecting port of the vacuum optical cavity. Through modular structures of the differential flange, the electrode flange, the rotating wheel base and the like, when the atom source is used up, a user does not need to depend on an original equipment factory for disassembly like a traditional scheme, but can operate by himself / herself, and only needs to disassemble and replace the atom source module at a port of the electrode flange, so that the maintenance mode that professionals need to intervene is changed, and the maintenance efficiency is improved. And the convenience of equipment maintenance is improved, the downtime of the system is reduced from several days or even several weeks required by a traditional scheme, and the service continuity and the operation efficiency of the equipment are also improved.

The invention discloses prefabricated furnace lining modules, a modular fast-assembly type furnace lining system and a furnace lining installation method.According to the structural form of a furnace lining of a heating furnace, the modular structure of the furnace lining is decomposed into a furnace top module, a furnace wall module and a furnace door module correspondingly, and each prefabricated furnace lining module integrates a refractory layer, a heat insulation layer, an anchoring part and a connecting mechanism; the structural strength and the heat insulation performance are strictly inspected; each module is prefabricated and formed in a factory, during installation, only simple hoisting, positioning, splicing and locking are needed, installation of the furnace lining is rapidly completed like building blocks, the built splicing seams are filled with fireproof sealing materials, and the sealing performance and integrity of the seams are guaranteed. When the prefabricated furnace lining module is used for on-site furnace lining installation, the construction period can be shortened, the construction difficulty can be reduced, the uniformity of the construction quality can be guaranteed, after the furnace lining is damaged, only the damaged module needs to be dismantled and replaced with a new module, maintenance is easy, and the maintenance cost can be greatly reduced.

A modular structure supports elevated rail segments for delivering electrical power to a moving work machine, such as a hauler at a mining site. Opposite ends of a roadside barrier contain complementary tubular couplers arranged vertically. A lower end of a dielectric post positioned in one of the tubular couplers has opposing dielectric plates at an upper end. A top edge of each plate has a creepage concavity between a pair of rail recesses. Another dielectric post of similar configuration is positioned in the other of the tubular couplers. Holes within the couplers and the posts ensure alignment of respective rail recesses in which conductive rails are placed. Dielectric inserts frictionally lock the rails into the rail recesses.

The present relates to a device being used in modular building construction comprising at least one flat load support comprising a first main face and a second main face, at least one elongated load support designed for being coupled with said flat load support. The device is characterized in that said flat load support comprises an array of transverse openings extending through the thickness of the flat load support. The flat load support is arranged for fastening said flat load support with said elongated load support at any position corresponding to one of said opening in a reversible manner and to any position between said openings in a reversible manner. Each flat load support comprises reversible lateral connection means and / or reversible transversal connection means for coupling flat load supports in a reversible manner. The flat load support and the elongated load support are arranged for being detachably assembled to provide the modular, reversible, and / or versatile building construction. The invention further relates to a modular construction building based on said device and to a method using said device.

The invention discloses a bolted solid waste treatment facility modular construction method and an evaluation system thereof, and relates to the field of integrated module construction.The method comprises the steps that S1, data are collected, whether modular construction conditions are met or not is judged, S2, a solid waste treatment facility is decomposed into sub-modules and a structural framework which are independent in function and can be integrated, S3, the structural framework is constructed, and S4, the sub-modules and the structural framework are constructed. The construction of the structural frame comprises the following steps of S3.1, building of a main body structure, S3.2, building of a building cushion pier, S3.3, building of a weighing device, S3.4, building of a transportation device and S3.5, a shipment fixing structure which is used for supporting and fixing the shipped main body structure. According to the modular construction method of the bolted solid waste treatment facility, the boiler, hundreds of accessory equipment and the boiler pipeline are integrated on one module, the whole module is transported to an artificial island to be installed, the installation mode of a traditional large boiler is broken through, and the project development cost and period are greatly reduced through the remote integration mode.

A modular structure supports elevated rail segments for delivering electrical power to a moving work machine, such as a hauler at a mining site. Opposite ends of a roadside barrier contain complementary tubular couplers arranged vertically. A lower end of a dielectric post positioned in one of the tubular couplers has opposing dielectric plates at an upper end. A top edge of each plate has a creepage concavity between a pair of rail recesses. Another dielectric post of similar configuration is positioned in the other of the tubular couplers. Holes within the couplers and the posts ensure alignment of respective rail recesses in which conductive rails are placed. Dielectric inserts frictionally lock the rails into the rail recesses.

The invention relates to a modularized construction method and system for cultural relic restoration archives, and the method comprises the steps: calling and visualizing a corresponding function module according to an application scene mode and a restoration object, the function module comprises one or more of a current situation investigation module, a detection analysis module, a repair strategy design module, a repair material selection module, a risk assessment and response measure module, a repair implementation plan module, an expert review and technical guidance recording module, a repair process recording module, a repair effect assessment module and a repair acceptance summarization module; each function module fills the data under the standardized field based on the response to the input data, and constructs a cultural relic restoration file; wherein when the function modules respond to the input data, calling of different function modules and configuration requirements of standardized fields of all the function modules are dynamically adjusted. Compared with the prior art, the method has the advantages that the file management efficiency is improved, and the multi-field adaptability is high.

The application relates to an intelligent isolation bearing online monitoring system, an installation process and a monitoring method. The system integrates force value, angular acceleration and displacement monitoring functions on the basis of an isolation bearing, is composed of an upper sealing plate, a rubber body, a lower sealing plate and a monitoring system, is used for simultaneously monitoring vertical loads transmitted from an upper building to a lower foundation and angular acceleration and horizontal displacement of the isolation bearing, and is composed of a ring-shaped pressure sensor, an inertial measurement unit (IMU), a displacement sensor, a data acquisition and transmission module, a cloud server and a monitoring platform. The system adopts a full-sensor external modular structure, is matched with a six-order Kalman fusion algorithm, a multi-parameter coupling early warning criterion, an IMU dynamic drift calibration model, and a special pre-tightening and anti-loosening installation process, is suitable for various working conditions, realizes synchronous acquisition of multi-dimensional parameters of a bearing, data noise reduction fusion and fault grading early warning, and can realize real-time monitoring of stress, angular acceleration and displacement states of a building isolation bearing.

The utility model discloses a colored lamp rapid assembly device based on a modular structure, and belongs to the technical field of colored lamp rapid assembly. A colored lamp rapid assembling device based on a modular structure comprises a first mounting groove, a movable rod and a rack, a second mounting groove is slidably formed in one side of the first mounting groove, and a colored lamp band body is mounted at the top of the first mounting groove and the top of the second mounting groove in a limiting mode; the top of the first installation groove is fixedly provided with a second electricity induction strip matched with the colored lamp band body. Through mutual cooperation of the movable block, the spring, the movable rod and the attaching frame, the colored lamp band body is installed on the first installation groove and the second installation groove, lines on the colored lamp band body are connected through the attaching frame, and the problems that in the prior art, wires are inconvenient to connect in the connecting process, and the connecting efficiency is high are solved. Therefore, the connection is difficult, and the working efficiency is reduced.

The utility model is applicable to the technical field of IO (input / output) boxes, and provides an externally-hung IO control box which comprises a box body and a machine table, the box body is hung on the side wall of the machine table, a communication module, an IO expansion module and an electromagnetic valve group module are sequentially arranged in the box body from top to bottom, a rectangular groove is formed in the side wall of the box body, an IO point end is arranged on the bottom surface of the electromagnetic valve group module, and the IO point end is connected with the machine table. The IO point end penetrates through the bottom surface of the box body and extends to the outside; preferably, the rectangular groove is located in the box body and connected with a non-setting adhesive sponge strip. Preferably, a vacuum breaking valve is arranged above the electromagnetic valve group module; preferably, a wiring channel is arranged between the communication module and the IO expansion module. By adopting the high-speed data transmission interface, the data transmission delay is reduced; an advanced data processing chip is integrated, so that the data processing speed is increased; a modular structure is designed, so that maintenance and upgrading are facilitated; multi-task parallel processing is realized, and the overall performance of the system is improved.

The invention discloses an automatic collection device for marine floating garbage, and belongs to the field of marine environmental protection equipment. The device comprises a supporting frame, a conveying belt mechanism, a power transmission mechanism, a tension adjusting mechanism and a material receiving assembly. The supporting frame is of a detachable modular structure and is fixed stably. The conveyor belt mechanism adopts a hollow net-shaped flat belt, so that the draining function is realized; the power transmission mechanism captures wave energy through a floating block, and one-way rotation of a driving roller is achieved through a gear transmission system and an overrun clutch. The tensioning adjusting mechanism can flexibly adjust the tensioning degree of the conveying belt; and the receiving assembly realizes garbage collection and conveyor belt cleaning. The device does not need extra energy, is efficient and stable in transmission, convenient to install and maintain, high in collection efficiency, low in cost and suitable for various sea area environments such as coast and gulf, can effectively solve the problem of collection of marine litter, and has a good application prospect.

The invention belongs to the technical field of cell sampling and inspection, and particularly relates to an inspection device for oncology department, which comprises a puncture cylinder composed of an upper needle tube and a lower needle tube; the protection assembly is arranged in the puncture cylinder; the trigger assembly is arranged at the upper end of the protection assembly and used for activating a protection mechanism of the protection assembly; the linkage assembly is arranged at the lower end of the lower needle tube; wherein the protection assembly comprises a supporting part, the supporting part is connected into the lower needle tube in a sliding mode, the upper end of the supporting part is connected with a pressing block in a sliding mode, and a capsule is arranged between the supporting part and the pressing block. By introducing a dynamic protection mechanism, a built-in instant freezing system and a modular structural design, the defects of an existing puncture sampling device in the aspects of safety, sample storage, structural flexibility and the like are overcome, and the device has remarkable technical progress and practical value and is suitable for being widely applied to the field of tumor diagnosis.

This invention relates to the field of modular construction, and more particularly to a tension-shear separation grouting connection structure for modular construction, comprising modular columns, load-bearing components, and high-strength grout. The load-bearing components include shear-resistant components and tensile-resistant components. The shear-resistant and tensile-resistant components independently bear the shear and tensile forces of the connection structure, respectively. The shear-resistant components are positioned between two modular columns and are fixed by the high-strength grout. Furthermore, the tensile-resistant components are interference-fitted with the shear-resistant components, thus fixing the installation position of the tensile-resistant components before the high-strength grout is poured in. Finally, after the positions of the shear-resistant and tensile-resistant components are completely fixed, the high-strength grout is poured in, thereby forming the tensile-resistant components, shear-resistant components, and modular columns into a single unit.

The invention relates to the technical field of medical instruments, in particular to a respiration triggering method and system based on multi-signal fusion and a self-adaptive threshold value, specifically, a multi-signal fusion triggering scoring method is adopted, and inspiration and expiration phase state judgment is conducted in combination with net flow, pressure and derivatives of the net flow, the pressure and the derivatives of the net flow, the pressure and the derivatives of the pressure. The inspiration and expiration phase switching needs to meet triple conditions of a threshold value, a derivative and duration time; leakage estimation and baseline correction are carried out in an expiration stable section, and in addition, a confirmation mechanism and a non-response period are introduced, so that phase jitter is reduced; and meanwhile, the threshold value and the weight can be dynamically and adaptively updated along with the respiratory statistical characteristics, an anomaly detection and rollback strategy is executed, and the continuity and the safety of ventilation are guaranteed under the conditions of cough, swallowing or sensor failure. Furthermore, the system adopts a modular structure, so that embedded implementation and upgrading are facilitated.

The utility model discloses a modularized combined type ton barrel transportation frame which comprises a base, a ton barrel is arranged on the base, corner protection plates are arranged at the positions, corresponding to the opposite angles of the ton barrel, of the base through fixing bolts, and side edge supports are connected between the adjacent corner protection plates through nut connecting assemblies. According to the ton barrel transportation frame, the corner protection plates, the side edge supports and the nut connecting assemblies are arranged, the corner protection plates are arranged on the base through the fixing bolts, the side edge supports are connected between the adjacent corner protection plates through the nut connecting assemblies, modular combination and assembly of the ton barrel transportation frame are achieved, and when part of structures are damaged, corresponding modular structures can be replaced; the integral loss rate and replacement cost of the ton barrel transportation frame are reduced, and the ton barrel transportation frame is convenient to assemble, disassemble and use and convenient to replace and maintain.