392results about How to "Optimize space layout" patented technology

The invention discloses a crop straw quantitative layering uniform mixing and returning device which comprises a straw collecting mechanism, a fan conveying mechanism, a flow dividing mechanism, a furrow opener assembly, a uniform mixing assembly and a soil covering assembly. A straw picking device and a straw conveyor are arranged at the front end of the device and used for collecting straw scattered in the field and conducting pretreatment before returning to the field; treated straw is sucked into a straw quantitative flow dividing box through a centrifugal fan, the straw is quantitatively distributed into a flow dividing guide pipe according to the returning-to-field requirement, the flow dividing guide pipe is discharged into a furrow opener, grooves with different depths are formed according to the straw returning-to-field depth requirement, and then the straw and soil are evenly mixed under the effect of a uniform mixing assembly. According to the invention, the flow distribution principle of the centrifugal fan is utilized, air ducts with different cross sections are arranged, so that straws with different volume numbers are obtained, and under the action of the furrow opener assembly and the uniform mixing assembly with different depths, the quantitative, layered and uniform mixing returning of the straws to the field is realized.

The invention relates to the technical field of material storage management, in particular to a BIM-based construction site material monitoring management method and system. The method comprises the following steps: obtaining a construction project drawing; performing drawing information extraction on the construction project drawing to obtain construction project material information data and construction project structure data; performing construction project three-dimensional modeling on the construction project material information data and the construction project structure data to generate construction project three-dimensional modeling data; obtaining total construction material data; and carrying out material information modeling on the total construction material data by using a BIM technology to generate total construction material modeling data. According to the invention, accurate three-dimensional modeling, intelligent marking, regionalized storage and real-time allocation of the construction site materials are realized through the BIM technology, and the accuracy of construction site material monitoring management and the emergency response real-time performance are improved.

The invention discloses a handle-locked two-core single-ended waterproof high-voltage connector, which is provided with a handle arranged outside a head shell assembly and used for connecting a plug and a socket, the socket comprises a socket shell, and a socket shielding cover, jacks, a socket outer sealing ring, a socket inner sealing ring, a signal pin assembly and the like which are arranged in the socket shell; through multi-stage waterproof, the socket can independently seal water vapor when the plug and the socket are not plugged in each other. According to the invention, the plug and the socket are plugged and fixed in a quick handle locking manner, so that the reliability of plugging and fixing of the plug and the socket is ensured; the connector socket has an independent waterproof function, and can protect a plate end from water vapor entering to cause damage to a device under a special working condition; a multi-lip sealing ring is adopted for waterproof sealing, and compared with a conventional O-shaped sealing ring for single-layer protection, the structure is more reliable, and good sealing performance and anti-aging performance are achieved; and through a shielding conduction structure, the whole connector has good electromagnetic shielding effectiveness and mechanical strength.

The invention provides a suspension actuator integrating electromagnetic-oil-gas-inerter characteristics and a control method thereof.The actuator comprises a piston rod, a guide rod, a spiral groove sleeve, a stator iron core and a straight rod, a controllable damping valve assembly is arranged in the piston, the bottom end of the piston rod is connected with the piston, the top end of the guide rod penetrates through the piston and extends into the piston rod, and the spiral groove sleeve is arranged in the spiral groove sleeve; a spiral groove is formed in the inner circle face of the spiral groove sleeve, an electromagnetic coil is embedded in a groove of the stator iron core, the stator iron core is fixed to the spiral groove sleeve / piston rod, the outer circle face of the straight rod is sleeved with a permanent magnet, and the straight rod is fixed to the piston rod / spiral groove sleeve. A damping hole is formed in the piston in the axial direction; the piston rod, the piston and the stator core divide the interior of the actuator into an upper cavity, a middle cavity and a lower cavity. By electrifying the electromagnetic coil and the controllable damping valve assembly, the suspension can work in a passive mode, a semi-active mode and an active mode. The suspension actuator has the characteristics of electromagnetism, oil gas and inerter at the same time, the suspension control bandwidth is widened, and the energy consumption of an electromagnetic system is reduced.

The invention provides a method for controlling the working state of a magnetic sensor, and the method comprises the steps: enabling a corresponding magnetic sensor to be in a non-working state when a magnetic axis key is not pressed, and enabling the corresponding magnetic sensor to be switched to be in a working state when the magnetic axis key is pressed. Therefore, the magnetic sensor corresponding to each magnetic axis key does not need to be continuously kept in a high-power-consumption working state, and the corresponding magnetic sensor is activated only when a certain magnetic axis key is pressed, so that the power consumption of the electronic equipment is greatly reduced.

The utility model relates to an elevator rescue power supply circuit based on integrated star-sealing transformation, the elevator rescue power supply circuit comprises a contactor, a commercial power supply circuit and a UPS power-off rescue circuit, the contactor comprises a contact support, an upper layer contact and a lower layer contact, the upper layer contact and the lower layer contact are jointly arranged on the contact support and interlocked with each other; the commercial power supply circuit is connected with the upper layer contact, and the UPS power-off rescue circuit is connected with the lower layer contact. And the upper layer contact and the lower layer contact share one loop. According to the contactor, when the elevator operates normally, the upper-layer contact is closed, and the lower-layer contact is disconnected. According to the contactor, when the elevator is powered off, the upper-layer contact is disconnected, and the lower-layer contact is closed. And the contactor is connected with a main loop and a control loop of the elevator. By improving the structure of the integrated star-sealing contactor and cooperatively improving the corresponding power supply circuit, the upper-layer contact and the lower-layer contact of the contactor are mutually interlocked, and the contactor can be applied to reliable switching between a mains supply circuit and a UPS power-off rescue circuit, so that the mains supply circuit is connected under the normal condition to enable an elevator to operate normally, and the service life of the elevator is prolonged. When the elevator is powered off, the UPS power-off rescue circuit is switched to supply power to the main loop and the control loop so as to complete power-off leveling rescue, the number of contactors and related connecting wires can be reduced, and therefore the layout space of a control cabinet is further optimized.

The invention provides a new energy vehicle high-voltage system and a vehicle with the same. The new energy automobile high-voltage system comprises a power battery, a power distribution unit and a diagnosis controller. The power distribution unit is electrically connected with the power battery, the power distribution unit internally comprises a plurality of power distribution branches used for being conducted with different electric loads, a first electronic fuse module is arranged in the power distribution unit, and a plurality of electronic fuse control channels are packaged in the first electronic fuse module; the plurality of electronic insurance control channels and the plurality of power distribution branches are correspondingly connected in series; when the current detected by the diagnosis controller exceeds a preset overcurrent value, the corresponding electronic insurance control channel is controlled to be disconnected; and when the current of the power distribution branch exceeds the short-circuit detection value, the corresponding electronic insurance control channel is automatically controlled to be in a disconnected short-circuit triggering state, so that the problems of slow fault response and insufficient safety of a high-voltage framework in the prior art are solved.

The walnut processing and conveying equipment with the steering mechanism comprises a conveying table, a conveying steering belt, a containing box and a processing assembly, the conveying steering belt is movably installed on the inner side of the conveying table, the containing box is placed above the conveying steering belt, the processing assembly is fixedly installed above one side of the conveying table, and the processing assembly is fixedly installed above the other side of the conveying table. A conveying steering belt is arranged to drive an upper placing box to move, and different processing treatments are carried out when the conveying steering belt moves to the position below the processing assembly; according to the walnut processing equipment, automatic or semi-automatic production can be achieved, the processing efficiency is remarkably improved, the labor cost is reduced, multi-stage processing treatment is conducted on walnuts in the transportation process, parameters such as the temperature and time in the processing process are accurately controlled through arrangement of the temperature controller, and the walnut processing equipment can guarantee the quality and consistency of products; the efficient processing equipment can reduce damage and loss of walnuts in the processing process, and the utilization rate of raw materials is increased.

The utility model relates to the technical field of electric excavators, and discloses an electric excavator cabin arrangement structure and an electric excavator, and the electric excavator cabin arrangement structure comprises a mounting platform. The installation platform is divided into a first installation area and a second installation area which are adjacent in the length direction of the installation platform, the first installation area and the second installation area extend in the width direction of the installation platform, and the second installation area is divided into an upper layer and a lower layer which are arranged up and down; a hydraulic main valve, a rotary motor and a controller are installed in the first installation area in the width direction of the installation platform, and a storage battery is installed on the side, away from the second installation area, of the first installation area. In the width direction of the mounting platform, a hydraulic main pump, a motor and a heat dissipation mechanism are mounted on the lower layer of the second mounting area, and a hydraulic oil tank and a battery pack are mounted on the upper layer of the second mounting area. The arrangement space of the cabin is optimized, the structure is compact, and the space utilization rate is improved.

The invention relates to the technical field of servers, and discloses a server and a data center, the server comprises a server case, a first heat dissipation assembly and a refrigeration sheet, the server case is internally provided with a front function module and a rear function module, and the front function module and the rear function module are sequentially arranged along a first direction; the first heat dissipation assembly is arranged in the server case and comprises first heat dissipation fins and a first fan module, and the first heat dissipation fins and the first fan module are sequentially arranged between the front function module and the rear function module in the first direction; the refrigeration sheet is arranged on the side wall, in the second direction, of the server case and comprises a cold end and a hot end, and the cold end abuts against the first cooling fin; the second direction is perpendicular to the first direction, an internal cold source is provided for the server, the temperature in a server case is effectively reduced, and a continuous and stable low-temperature environment is provided for a rear functional module; and the heat dissipation efficiency in the server case is improved.

The invention relates to a QSFP-DD packaging 400G optical module structure, and belongs to the technical field of optical modules. Comprising a module upper cover, a module base and a pull ring, the module upper cover and the module base form a containing cavity, an MPO optical fiber adapter and a module circuit board assembly are arranged in the containing cavity, and first cooling fins and second cooling fins are arranged on the module upper cover and the module base respectively; the module circuit board assembly comprises a PCB, a heat dissipation block is arranged on the PCB, and a heat dissipation table is arranged on the module upper cover. A module upper cover and a rubber coating area are arranged on the inner side of the pull ring, a pull ring handle is arranged at one end of the pull ring, and the pull ring handle is flush with the bottom of the module base. According to the QSFP-DD packaging 400G optical module structure provided by the invention, the heat dissipation efficiency is remarkably improved, the MPO jumper wire insertion space is optimized, more internal space of the PCB is provided, the signal loss is reduced, the connection stability of the light-transmitting assembly and the silicon optical assembly is enhanced, and the optical signal loss is reduced.

The invention relates to the technical field of mechanical equipment, in particular to a dry ice cleaning machine which comprises a feeding mechanism, a cleaning mechanism, a discharging mechanism and a conveying line, the feeding mechanism and the discharging mechanism are arranged at the two ends of the conveying line in the X-axis direction, and the cleaning mechanism is arranged between the feeding mechanism and the discharging mechanism. Comprising a dry ice machine, a spraying assembly and a waste adsorption assembly, the spraying assembly and the waste adsorption assembly are oppositely arranged on the two sides of a conveying line in the Y-axis direction, so that the spraying assembly is used for spraying dry ice to blow off a to-be-removed part of a workpiece and enable the to-be-removed part to form waste, and the waste adsorption assembly is used for adsorbing the waste in a negative pressure suction mode. And particularly, for a welding tip of a pin of an electronic plug connector, the tip is removed through dry ice to realize cleaning of the workpiece, so that the phenomenon that the product performance is influenced due to breakage in the subsequent use process can be prevented, and the reliability of the product is improved.

The utility model relates to the technical field of edible mushrooms, and discloses an adjustable edible mushroom fruiting frame which comprises a mounting frame, the left side and the right side of the mounting frame are each fixedly connected with two fixing rods, the outer sides of the two fixing rods on the left side and the right side are slidably connected with a plurality of layer plates, and adjusting grooves are formed in the middles of the left side and the right side of the mounting frame. A plurality of clamping grooves are formed in the left side and the right side of the mounting frame, sliding blocks are fixedly connected to the left side and the right side of the shelf plate, fixing plates are fixedly connected to the left side and the right side of the bottom end of the shelf plate, mounting shells are fixedly connected to the opposite sides of the two fixing plates, and clamping blocks are slidably connected to the interiors of the front side and the rear side of each mounting shell. According to the utility model, the spacing of the laminates of the fruiting frame can be flexibly adjusted according to the growth condition of the edible mushrooms in the growth process, the space layout can be optimized conveniently, the utilization rate of the space in the fruiting frame is improved, the waste of the space and resources is reduced, and the yield of a mushroom house is improved, so that the growth requirements of the edible mushrooms can be met conveniently.

The utility model provides a crane telescopic arm bolt device of a chain wheel and chain mechanism driven by a hydraulic motor, which comprises a locking device, the hydraulic motor, a rotating device and a supporting device, a crane telescopic arm comprises a basic arm and a plurality of sections of telescopic arms, and an arm pin is arranged at the root of each section of telescopic arm and is used for being locked and connected with the adjacent telescopic arm; the supporting device is connected with the root of the basic boom, the rotating device is installed on the supporting device, the locking device is connected to the rotating device, the hydraulic motor is connected with the rotating device and used for driving the rotating device to rotate, the rotating device is used for driving the locking device to move to each section of telescopic boom, and the locking device is used for achieving locking connection between the rotating device and the telescopic boom. After locking connection, the hydraulic motor drives the rotating device to drive the telescopic arm to stretch out or retract. The utility model has the characteristics of increasing the effective displacement of the cylinder pin and the plug pin device, reducing the size of the telescopic arm plug pin device, reducing the total weight of the boom system, reducing the manufacturing cost and having wide application range.

The utility model discloses an integrated rear suspension lower support for a commercial vehicle cab, and relates to the technical field of vehicle suspension systems. According to the technical scheme, the integrated rear suspension lower support for the commercial vehicle cab comprises a support body, a first fixing hole is formed in the support body, the first fixing hole can be connected with a vehicle frame, a first connecting hole is formed in the support body, the first connecting hole can be connected with a cab suspension, a second connecting hole is further formed in the support body, and the first connecting hole can be connected with the cab suspension. The second connecting hole can be connected with an air inlet system or an exhaust system. The integrated rear suspension lower support has the advantages that the integrated rear suspension lower support integrates a plurality of connecting functions, the weight of a whole vehicle is remarkably reduced, material cost is reduced, the space layout in a vehicle frame is optimized, and convenience is provided for continuous optimization and development of the vehicle.

The invention provides a projection lamp and a vehicle. The projection lamp comprises a shell with a light emitting hole and a light emitting assembly. The light emitting assembly comprises a light source, a light mixing lens, a shading piece, a micro lens array and an outer lens arranged at a light emitting hole which are sequentially arranged in the light emitting direction; the number of the light sources is multiple, each light source can emit light of various different colors, the light mixing lens is provided with multiple dimming units, the multiple dimming units correspond to the multiple light sources in a one-to-one mode, and each dimming unit is provided with a light mixing part facing the corresponding light source and a light condensing part back to the corresponding light source; the shading piece is provided with a plurality of light emitting channels corresponding to the dimming units one to one. According to the projection lamp disclosed by the invention, the plurality of light sources and the light mixing lens which can emit light of various colors are arranged, so that the light of various colors is mixed and condensed by the light mixing lens and then correspondingly emitted through the plurality of light emitting channels on the shading piece, the micro-lens array and the outer lens; therefore, colorful dynamic patterns can be formed through projection.

The invention discloses a power supply link detection and sampling sub-circuit, a power signal detection circuit and a power signal detection system, and relates to the technical field of server board-level power supply design, a fuse device and a first temperature-sensitive device are arranged in a superposed manner, and the layout space required by the fuse device and the first temperature-sensitive device is reduced; the current detection of the power supply link is realized by using the conduction resistor of the safety device, and a power sampling resistor does not need to be connected in series, so that the occupation of a layout space can be further reduced, the layout space of a circuit board can be further optimized, the through-current loss of the power supply link can be reduced, and the low-loss detection of the power supply link can be realized. Therefore, the problems of how to optimize the layout space of the circuit board and reduce the loss of the power supply link and the like in related technologies can be solved, and the technical effects of optimizing the layout space of the circuit board, reducing the through-current loss of the power supply link and the like are achieved.

The utility model discloses a symmetrical molded case circuit breaker control mechanism, which comprises a bottom case, and a switching-on and switching-off operation assembly is arranged in the bottom case. The opening and closing operation assembly comprises a first side plate located on one side of the separating rod and a second side plate located on the other side of the separating rod, a shifting frame is rotationally installed on the first side plate and the second side plate, and the shifting frame is in linkage with an arranged traction rod through an arranged transmission frame. The two side plates are inserted into the outer side of the separating rod, so that the opening and closing operation assembly can be located above the separating rod, and the space layout between the opening and closing operation assembly and the separating rod is optimized; therefore, the occupied space of the control mechanism can be reduced.

The invention discloses an electric shaver which comprises a first main body and a second main body, the first main body is configured to be grabbed by a hand, the second main body comprises a tool bit and a motor which are connected together, a cutting assembly is arranged on the tool bit, the motor is used for driving the cutting assembly to work, and the second main body is connected to the first main body in a floating mode. And the second main body and the first main body are arranged at an angle a. The floating tool bit has the characteristics of simple structure, good floating effect and good veneering effect of the working surface of the tool bit during operation, and the size is reduced and the space layout is optimized.

The invention relates to the technical field of special vehicles, and discloses a double-fan structure pure electric road sweeper which comprises a frame, a garbage can and sweeping equipment, and further comprises a first fan and a second fan which are used for generating negative pressure in a box body of the garbage can, and a driving motor used for directly driving the first fan and the second fan, the first draught fan and the second draught fan are connected to the two ends of a rotating shaft of the driving motor in a direct drive mode correspondingly and communicate with an inner cavity of the dustbin through a first pipeline and a second pipeline correspondingly. The bottom of the garbage can is connected with a suction structure used for sucking garbage into a box of the garbage can, and the suction structure is arranged close to the sweeping equipment. The motor rotation stability and the vehicle energy efficiency are effectively improved.

The invention provides an unlocking mechanism, an undercarriage and an operation method. The unlocking mechanism comprises a shell, an emergency valve, a thermal control valve, a coordination valve and a main valve, the emergency valve, the thermal control valve, the coordination valve and the main valve are arranged in the shell, a port A and a port B communicated with the port A are formed in one end of the shell, a port E and a port D communicated with the port E are formed in the other end of the shell, a port C is further formed in the shell, and a port D is formed in the other end of the shell. The emergency valve axially displaces to close or communicate the port A and the port B, the coordinating valve axially displaces to communicate or close the port C, the outside of the coordinating valve and the port B, the thermal control valve is arranged in the coordinating valve, and the thermal control valve axially displaces along the coordinating valve to communicate or close the port C, the inside of the coordinating valve and the port B; and the main valve axially displaces to communicate or close the port B, the outside of the coordinating valve and the port C. An existing hydraulic control locking mechanism is improved, the space layout is optimized, and the emergency unlocking function is added.

The invention discloses a dual-mode electric power steering gear for a heavy-duty vehicle, which comprises a steering gear shell assembly, an input shaft and screw nut assembly, a side cover rocker arm shaft assembly, an adjusting support assembly, an upper cover assembly, a sensor support plate, a corner torque sensor, a belt transmission assembly, a planetary reducer assembly and a motor assembly. Power is transmitted to the input shaft and screw assembly through the planetary reducer assembly and the belt transmission assembly in sequence, the input shaft and screw nut assembly outputs torque and angular displacement through a sector shaft and outputs power assisting torque through an input shaft, and two control modes of angle position and torque power assisting are achieved. The scheme has the beneficial effects that according to the description of the scheme, the structure is simple, the design is reasonable, turbine and worm structures in a heavy circulating ball type dual-mode electric power steering gear are replaced by the planetary reducer, the belt gear and the like, the size is smaller, and the efficiency is improved.

The utility model relates to the technical field of ceramic tile packaging equipment, and provides a paper conveying device for a ceramic tile packaging line, which comprises a support and a paper feeding driver, the support is provided with a paper feeding mechanism, the paper feeding mechanism comprises at least one transmission part, the transmission part is provided with at least one hook part, one end of the transmission part is inclined upwards, and the other end of the transmission part is provided with at least one hook part. The paper feeding driver is used for driving the transmission part to rotate. According to the utility model, a traditional horizontal conveying mode is changed, one end of the transmission part is obliquely arranged upwards, and the transmission part drives the hook part to provide power for the leatheroid, so that the spatial layout is optimized, and the leatheroid is arranged right below the subsequent brick arrangement; a confluence mode is adopted in the brick advancing direction to enable leatheroid and bricks to complete the paper distribution action in the moving process, the paper distribution and brick distribution procedures do not need to be stopped, and the paper feeding stability and the paper distribution efficiency are remarkably improved; meanwhile, the space layout of the equipment is optimized through inclined arrangement, the plane space occupied by the equipment is reduced, and the space utilization rate is increased.

The utility model relates to the technical field of pipe detection, in particular to an enhanced design of detection precision of a detection device. The utility model discloses a steel pipe surface defect detection device which can keep high-precision dynamic stability in the detection process, provide a clean detection environment and optimize the imaging precision of the steel pipe surface defect detection device. The detection device comprises a shell, an imaging assembly arranged in the shell and a clamping assembly used for clamping a steel pipe, and the shell is provided with a dustproof ring used for allowing the steel pipe to pass through. The clamping assembly comprises a downward pressing device moving in the vertical direction and a supporting roller arranged on a downward pressing path of the downward pressing device, and the supporting roller is used for supporting the bottom of the steel pipe and guiding the steel pipe to enter the shell through rolling movement.

This invention provides a static parameter measurement device for overhead contact lines based on an unmanned aerial vehicle (UAV) platform, belonging to the field of railway overhead contact line inspection technology. It includes a UAV body with a laser measuring device mounted on its top and a telescopic support mounted on its side. The UAV body includes a processor chip, and the laser measuring device is connected to the processor chip. After takeoff, the telescopic support secures the UAV, and the laser measuring device measures the overhead contact line. The measured data is transmitted in real time to the processor chip for processing and analysis, ultimately achieving high-precision measurement of the static parameters of the overhead contact line. By linking the top-mounted laser measuring device with the processor chip, it is possible to conduct inspections and parameter measurements on conventional railway lines outside of designated maintenance windows, achieving high-precision, non-contact distance or terrain measurement, suitable for complex environments, and significantly improving data acquisition efficiency.

The invention belongs to the related technical field of methanol hydrogen engines, and discloses a methanol and cracked gas integrated multi-injection system which comprises a methanol engine assembly, a methanol fuel tank, a methanol cracker, a methanol high-pressure pipeline, a methanol low-pressure pipeline and a methanol cracked gas pipeline, the methanol engine assembly comprises a methanol hydrogen ejector; one end of the methanol high-pressure pipeline is connected with a first outlet of the methanol fuel tank, and the other end is connected with an inlet I of the methanol hydrogen ejector; one end of the methanol low-pressure pipeline is connected with a second outlet of the methanol fuel tank, and the other end is connected with an inlet of the methanol cracker; one end of the methanol cracking gas pipeline is connected with an outlet of the methanol cracker, and the other end is connected with an inlet II of the alcohol-hydrogen ejector. Accurate control over the amount of cracked gas entering a cylinder is achieved, the injection amount is adjusted according to parameter changes of mixed gas in the cylinder, simultaneous or independent injection of methyl alcohol and cracked gas of the methyl alcohol is achieved through the alcohol-hydrogen injector, and different fuel control modes can be adopted according to different working conditions.

The invention discloses a common production line for concrete electric poles and tubular piles. The common production line comprises a material distribution room, a production room, a mold removal room, a universal mold treatment room, an independent mold treatment room, a universal material preparation room, an independent material preparation room and a mold closing room. The production room is located on the side face of the material distribution room, and the universal mold processing room and the universal material preparation room are sequentially arranged on the side face of the material distribution room and used for cleaning and assembling electric pole molds or pipe pile molds. The universal mold processing room and the universal material preparation room are adjacent to the production room in the longitudinal direction; the independent mold treatment room and the independent material preparation room are sequentially arranged in the transverse direction and are adjacent to the universal mold treatment room; the mold removal room is located in the universal mold treatment room and extends into the production room and between the independent mold treatment room and the independent material preparation room in the longitudinal direction; the mold closing room is located on the side face, close to the material distribution room, of the universal mold processing room and extends into the production room; and a plurality of hoisting devices for hoisting the molds are also arranged above the production line.

The present invention relates to the technical field of packaging structure, and more particularly to a method for packaging an offset stacked DRAM structure. Steps: The DRAM chip is a chip, and the back of the first chip is pasted on a temporary base; the back of another chip is pasted offset on the front of the first chip; the remaining chips are also pasted in this way, and plastic-sealed, and multiple through holes are formed in the stacked chip after plastic sealing by drilling, and each through hole is connected to a chip respectively; conductive material is filled in each through hole to form a TMV structure, and a redistribution layer is formed on the front of the stacked chip after the TMV, and a bump is formed on the redistribution layer, and the temporary base is removed to obtain the required structure; wherein, when offset stacking, it is not calculated from the first chip, but from the second chip thereafter, and the offset direction of every two chips is the same, and the offset direction is changed after every two chips are stacked. The present invention realizes the stacking of multiple DRAM chips, optimizes the packaging structure, and reduces the difficulty of packaging.

The present invention discloses a radiation protection conveying system, comprising a first radiation shielding protection tunnel, a detection conveying track is arranged in the first radiation shielding protection tunnel, radiation foreign body detection devices are arranged on both sides of the detection conveying track, the outlet of the first radiation shielding protection tunnel is connected with a second radiation shielding protection tunnel, a curved conveying track connected with the detection conveying track is arranged in the second radiation shielding protection tunnel, and a plurality of radiation shielding protection baffles extending to the corresponding inner recesses of the curved conveying track are arranged in the second radiation shielding protection tunnel. The conveying system has the advantages of simple and compact structure, optimized space arrangement, saved protection cost, and can prevent radiation leakage.

The invention belongs to the technical field of circulating air cooling, and particularly relates to a centrifugal compressor circulating air cooling system which comprises a rectangular frame, a compression tank is fixedly mounted on the rectangular frame, and the heat dissipation end of the compression tank is in through connection with a cooling mechanism; the cooling mechanism and the cooling pipe are arranged to perform primary heat dissipation treatment on the heat dissipation end of the compression tank, the working temperature of the compression tank is effectively reduced, fan rotation accelerates air flow near the cooling pipe, the heat dissipation efficiency is further improved, stable operation of the compressor is ensured, the cooling pipe is washed through external circulating water, and the cooling efficiency is improved. Dust and dirt on the cooling pipe are effectively removed, the cooling mechanism and the cleaning mechanism are compactly installed on the rectangular frame, the space layout is optimized, the occupied area is reduced, and the cooling device has the advantages of being efficient in heat dissipation, convenient to clean, compact and flexible in structure, easy and convenient to maintain, high in adaptability and the like.