55results about How to "Reduce mechanical stress" patented technology

The invention discloses an automatic pure water ultrafiltration treatment device, and relates to the technical field of pure water graded filtering and cleaning, the automatic pure water ultrafiltration treatment device comprises a filtering bin, a pure water liquid injection device is mounted on one side of the upper surface of the filtering bin, and a cleaning liquid injection device is mounted on the other side of the upper surface of the filtering bin; compared with the prior art that pure water is pressurized to an ultrafiltration membrane in a fixed mode for ultrafiltration of the pure water, the rotation direction of the motor is automatically recognized and controlled through the sensor, so that the liquid spraying chamber can conduct ultrafiltration at different positions and heights of the ultrafiltration membrane cylinder, and excessive accumulation of the pure water on the surface of the membrane can be avoided; meanwhile, the membrane surface can be cleaned and maintained in time, the service life of the ultrafiltration membrane can be remarkably prolonged, and the replacement cost can be reduced. Compared with fixed pressurization, the automatic adjusting system can be flexibly adjusted according to different water quality, water quantity and treatment requirements. Due to the flexibility, the system can better adapt to various complex and changeable working environments, and the overall treatment effect is improved.

The invention discloses a handheld charging drill with a charging function, and relates to the technical field of handheld charging drills, the handheld charging drill comprises a shell, a battery assembly is fixedly connected to the middle of the inner wall of the shell, a fixing block is fixedly connected to the top of the shell, a sliding groove is formed in the outer side of the fixing block, and the battery assembly is fixedly connected to the middle of the inner wall of the shell. A fixing plate is fixedly connected to the top of the fixing block, a protruding block is fixedly connected to the end, away from the fixing block, of the fixing plate, and a circular groove is formed in one side of the protruding block. According to the handheld charging drill with the charging function, the protruding block is driven by the fixing plate to be located in the limiting hole, so that it can be ensured that stable connection is formed between the charging assembly and the electric drill body, and by means of the tight connection mode, a battery can be effectively prevented from accidentally falling off in the using process of the electric drill; meanwhile, the fixing blocks and the fixing plates are symmetrically arranged on the two sides, so that the charging assembly is not prone to falling off under the conditions that the charging assembly is vibrated, impacted and the like.

The invention discloses a battery negative electrode material and a preparation method thereof, and relates to the technical field of batteries. The battery negative electrode material comprises an inner core, a titanium dioxide coating layer coated on the surface of the inner core, a lithium titanate coating layer coated on the surface of the titanium dioxide coating layer, a carbon coating layer coated on the surface of the lithium titanate coating layer and a polymer coating layer coated on the surface of the carbon coating layer, the inner core comprises a silicon-based negative electrode material; the polymer coating layer comprises at least one of polyaniline, polythiophene and polypyrrole. Under the action of the four coating layers, the integrity of the silicon-based negative electrode material can be kept, direct contact between the silicon-based negative electrode material and an electrolyte is avoided, side reactions are reduced, the capacity fading of the battery in the charge-discharge cycle process is reduced, and the rate capability and the cycle stability of the battery are improved.

The invention discloses an annealing method and tool for an iron core assembly, and belongs to the technical field of motor iron core machining, and the annealing method comprises the following steps: laminating and positioning a plurality of silicon steel sheets one by one, maintaining the pressure after laminating and assembling, and then welding and fixing to form the iron core assembly; putting the iron core assembly into a vacuum container, vacuumizing and heating the iron core assembly; after the temperature of the iron core assembly reaches the preset temperature, heat preservation is conducted for a period of preset time; and after heat preservation is finished and the temperature is reduced by 45%-50%, the vacuum container is opened, and then the iron core assembly is naturally cooled to the room temperature. The tool comprises at least two assemblies, the assemblies are in an arc shape, the inner sides of the assemblies are matched with the circumferential outer wall of the iron core assembly, and the multiple assemblies can be spliced end to end to form a barrel so as to restrain the circumferential direction of the iron core assembly; and the locking piece is used for locking and fixing the adjacent combined pieces. According to the invention, mechanical and thermal stress can be effectively eliminated, the iron loss is reduced from the overall structure, and the motor efficiency is improved when the overall structure is applied.

The application provides a battery module and a battery box. The battery module comprises a frame assembly having a receiving cavity, the frame assembly comprising a first frame extending along a second direction, and a buffer arranged in the first frame; and a cell assembly accommodated in the receiving cavity, the cell assembly comprising a plurality of cell bodies arranged at intervals along a first direction, and the cell bodies extending along the second direction; wherein the first direction and the second direction have an included angle. The application can reduce the risk of cell damage.

The utility model relates to a kind of scar paste with temperature control memory effect and tension reduction function, the scar paste includes layer by layer arranged silica gel layer, shape memory metal layer, temperature control layer and waterproof layer;The silica gel layer includes the adhesive part of symmetrical adhesion in the two sides of skin wound when using, the two ends of the shape memory metal layer are connected with the adhesive part of corresponding side respectively, temperature control layer and waterproof layer are sequentially arranged on shape memory metal layer;The shape memory metal layer is used to change into preset contraction mode under skin temperature and / or the heating of temperature control layer and drive adhesive part shrink in tension reduction direction.It can drive the adhesive part of silica gel layer shrink in tension reduction direction under skin temperature compared with prior art, so as to achieve the effect of tension reduction and inhibiting scar hyperplasia, finally realize the effect of "scarless healing".

The utility model discloses a PTC heater structure, including a plurality of PTC heating tube, a plurality of radiating fins and mounting seat, a plurality of PTC heating tube installation is positioned on mounting seat, and a plurality of radiating fins interval arrangement sets up on PTC heating tube, still be provided with corrugated elastic metal sheet between a plurality of radiating fins and mounting seat, the corrugated elastic metal sheet is nickel base alloy material quality, a plurality of radiating fins and mounting seat are all aluminum material quality, the contact surface of a plurality of radiating fins is close to PTC heating tube and has coated nano alumina heat conduction coating, like this, through the elastic deformation absorption vibration energy, and gradient thermal expansion design, reduce the thermal stress, reduce the mechanical stress between mounting seat and fin aluminum pipe, prevent the connection loose after long -term use.

This utility model discloses a piezoelectric ultrasonic sensor, relating to the field of sensors. It includes a mounting plate, a circuit board, and a sensor body. The circuit board is located in front of the mounting plate, and the sensor body is fixedly mounted on the front end of the circuit board. A connecting plate is fixedly mounted on the front end of the mounting plate. This utility model forms an elastic support structure. When the sensor body is subjected to external impact or vibration, the buffer spring can absorb energy through deformation, significantly reducing the mechanical stress transmitted to the circuit board and sensor body, preventing precision components from wearing or breaking due to vibration. The flow guide plate directs ambient sound waves to the sensor body, achieving a sound wave focusing effect and improving signal reception sensitivity. Furthermore, the sound wave reception angle and coverage range can be adjusted by sliding and rotating the flow guide plate to adapt to different detection scenarios. The number of flow guide plates can also be increased or decreased for customized applications.

The utility model discloses a robot connecting line protecting and reinforcing device, which relates to the technical field of robot connecting lines, comprises a fixed base, a connecting bent piece and an outer protecting tube, and is characterized in that a first rotating bearing is fixedly connected to the outer side of one end of the connecting bent piece, and a base threaded connecting piece is rotatably connected to the outer side of the first rotating bearing; the base threaded connecting piece and the fixed base are in threaded connection with each other, second rotating bearings are fixedly connected to the outer sides of the two ends of the outer protection pipe correspondingly, and threaded rings are rotationally connected to the outer sides of the two second rotating bearings correspondingly. The fixing bases are installed at the two ends of a robot outgoing line in a threaded mode, then one ends of the two sets of connecting bent pieces are installed on the two sets of base threaded connecting pieces respectively and connected to the fixing bases in a threaded mode, and a robot connecting line penetrates through the inner threading protection pipe on the inner side of the outer protection pipe.

The present application provides a three-layer shell steam turbine steam inlet structure and a steam turbine, wherein the steam inlet structure includes a steam inlet valve, a three-layer shell and a plug. The steam inlet valve includes a valve housing and a valve diffuser. The three-layer shell includes an outer shell, an outer inner shell and an inner shell. The outer shell is sealed with the valve housing flange. The plug includes an inner ring part, an outer ring part and a through hole. The first end of the outer ring part is in close contact with the valve housing through a sealing ring, and the second end is in close contact with the outer inner shell flange. The first end of the inner ring part is in close contact with the valve diffuser through a sealing ring, and the second end is in close contact with the inner shell through a sealing ring. The plug, the valve housing and the valve diffuser enclose a first interlayer cavity, and the plug, the outer inner shell and the inner shell enclose a second interlayer cavity. The through hole connects the first and second interlayer cavities. The first and second interlayer cavities and the through hole constitute a first sealed cavity. The valve housing, the outer shell, the plug and the outer inner shell enclose a second sealed cavity. The present application can improve the service conditions of the valve diffuser, the inner shell and the outer inner shell, increase the upper limit of the pressure bearing capacity, and reduce the risk of failure.

The invention relates to the technical field of power transmission towers, in particular to an ice and snow resistant power transmission tower which comprises a power transmission tower body made of metal and a wire, a plurality of fixing cylinders are symmetrically and fixedly installed at the position, close to the top, of the power transmission tower body, supporting arms are rotationally arranged at the two ends of each fixing cylinder, and threading holes are formed in the ends, away from the fixing cylinders, of the supporting arms; the wire is inserted into the threading hole, and the supporting arm is connected with the supporting arm through the buffer assembly in a matched mode; the beneficial effects of the invention are that when frost is attached to the surface of the wire, the wire can shake along the extension direction of the wire, and the shaking along the extension direction of the wire can generate a shearing force parallel to an ice layer on the surface of the wire, thereby facilitating the falling of the ice layer from the surface of the wire, reducing the compression and potential damage of ice weight to the wire, and improving the reliability of the wire. The problem that a large amount of frost is attached to the surface of the wire to cause breakage of the supporting arm is effectively solved, and the service life of the power transmission tower body is prolonged.

The utility model discloses a control box device for fresh air handling unit belongs to fresh air system control equipment technical field. The device includes the box body of installing in the one -way air duct of fresh air handling unit, and the opening direction of box body is perpendicular with the wind direction and has the outer open box door of hinged, and the door opening direction of box is the adverse wind direction, and the door closing assembly contains the vertical pressure -bearing plate, and one end is fixed to the outside of box door, and the other end is inclined to the direction of away from the box body and forms the pressure -bearing surface. The component of force that the airflow acts on the inclined pressure -bearing surface generates is converted into the door closing moment, realizes the automatic locking of box door. The problem that the control box in the air duct leads to the sealing failure of air flow impact, the operation difficult problem is solved, and the box door is locked by wind energy, and the sealing reliability is improved significantly, and the stability of equipment under the vibration, high pressure difference working condition is enhanced.

The application discloses a high-precision intelligent temperature measuring cable, which comprises at least one core, an outer sheath and at least one temperature measuring unit, the core comprises a conductor part twisted by a plurality of conductors, one temperature measuring unit is arranged in each core, the temperature measuring unit is wrapped by a plurality of conductors and arranged in the conductor part of the core and extends along the length direction of the conductor. The temperature measuring optical fiber of the application is wrapped by a plurality of conductors and arranged in the core, instead of being arranged on the surface of the core as in the prior art, so that the heat generated during the operation of the cable can be quickly transmitted to the temperature measuring optical fiber, the actual temperature of the conductor can be directly measured, instead of the temperature of the surface of the conductor or the insulating layer, and the test real-time performance and the test accuracy are improved.

The application discloses a kind of space ring column antenna satellite distributed active cable vibration control method, it belongs to space large ring column antenna satellite control technical field.The application solves the problem of poor robustness of the existing space large ring column antenna satellite vibration control method.The application ensures that the system can accurately adjust the pretightening force of cable to respond to external disturbance through controllability analysis.Based on model predictive control technology, a distributed model predictive control strategy is designed to predict and control the vibration response at future time. An objective optimization function is established to optimize the cable pretightening force adjustment strategy in the rolling time domain, real-time response to the dynamic changes of the structure. The distributed active cable vibration control method optimizes the vibration suppression process, improves the robustness of the system, and effectively ensures the performance of the antenna and the quality of signal reception. The application can be applied to the control of space large ring column antenna satellite.

The utility model belongs to the technical field of cutting mechanisms, and particularly relates to a cutting mechanism of a hardware pin forming machine, which comprises a mounting base and a first threaded shaft, threaded rods are mounted on two sides of the mounting base, adjusting rods are mounted on the outer surfaces of the threaded rods, the first threaded shaft is mounted on the inner walls of the adjusting rods, and the first threaded shaft is mounted on the mounting base. A first threaded shaft is installed on the upper end of the punching block, an installation support is installed on the outer surface of the first threaded shaft, a limiting rod is installed at the upper end of the installation support, and a hydraulic rod is installed on the inner wall of the installation support. An installed damping plate is matched with a damper and a stamping block through a damping spring to achieve a certain damping and buffering effect, impact and vibration generated in the stamping process can be reduced, accordingly, mechanical stress and abrasion borne by the cutting knife are reduced, the service life of the cutting knife is prolonged, noise and vibration generated in the stamping process can be reduced, and the stamping quality of the cutting knife is improved. Therefore, working environment is improved, and physical and psychological health of workers is protected.

The utility model provides a horizontal type waste heat boiler two-section type heated module bottom expansion limiting device which comprises a first limiting assembly, a second limiting assembly and a fixing frame, one end of the first limiting assembly is connected with the fixing frame, and the other end of the first limiting assembly is connected with the second limiting assembly. The other end of the first limiting assembly is connected with the bottom of the first heated module, and the first limiting assembly can enable the first heated module to expand and stretch out and draw back according to the preset direction and length; one end of the second limiting assembly is connected with the fixing frame, the other end of the second limiting assembly is connected with the bottom of the second heated module, and the second limiting assembly can enable the second heated module to expand and stretch out and draw back according to the preset direction and length. The limiting device enables the first heated module and the second heated module to freely expand in the preset direction and within the preset length, effectively avoids jamming and leakage accidents caused by uneven expansion, and improves the operation stability and safety of the waste heat boiler.

The invention relates to a preparation method of a high-temperature-resistant cellulose diaphragm for a lithium ion battery, the diaphragm and the battery. The preparation method comprises the following steps: carrying out ball-milling pretreatment on a bacterial cellulose dispersion liquid to obtain a pretreated dispersion liquid; filtering the pretreated dispersion liquid, and dropwise adding a pore-forming agent to the pretreated dispersion liquid to obtain a bacterial cellulose membrane; and carrying out hot pressing treatment on the bacterial cellulose membrane to obtain the bacterial cellulose diaphragm. According to the scheme provided by the invention, the high-temperature resistance of the diaphragm can be improved, relatively good dimensional stability and structural integrity can still be kept at relatively high temperature, meanwhile, the diaphragm has a rich and appropriate pore structure, and a large number of channels can be provided for migration of lithium ions, so that a battery keeps relatively high charge-discharge efficiency and relatively good safety performance.

The utility model discloses an FPC (Flexible Printed Circuit) board for a loudspeaker and the loudspeaker. Wherein the first connecting sheet is used for being connected with a basin stand, the second connecting sheet is used for being connected with a voice coil, and the first connecting sheet and the second connecting sheet are fixedly connected through two elastic sheets; a connecting bridge is also fixedly arranged between the two elastic sheets; the two ends of the second connecting piece extend towards the first connecting piece to be provided with arc-shaped connecting parts. The elastic piece is U-shaped, one end of the elastic piece is fixedly connected to the arc-shaped connecting part, and the other end of the elastic piece is fixedly connected to the first connecting piece; the connecting bridge is connected to the corner of the two elastic sheets; according to the scheme, the connecting bridge is fixedly arranged between the two elastic pieces, displacement of the free end of the joint between the two elastic pieces is limited, and therefore vibration of the FPC board is restrained; the noise can be effectively reduced by reducing the vibration of the FPC board, so that the sound quality of the loudspeaker is purer and clearer; moreover, by reducing the vibration of the FPC board, the mechanical stress can be reduced, so that the service life of the FPC board is prolonged.

The invention provides a high-flatness copper plate machining method which comprises the steps that annealing, leveling and CNC cutting machining are sequentially conducted on a copper plate blank, and the high-flatness copper plate is obtained. Wherein in the CNC cutting machining process, multi-pass cutting is conducted, and the cutting depth of each pass ranges from 0.03 mm to 0.18 mm. The mechanical stress of the copper plate blank is removed through the annealing step, then the annealed copper plate blank becomes smoother through the leveling step, CNC cutting machining is conducted through the multi-pass light cutting strategy, the limited cutting depth is adopted, the residual mechanical stress generated in the machining process can be reduced, and the machining precision is improved. And material deformation caused by too large cutting force is avoided. Therefore, by adopting the processing method disclosed by the invention, the mechanical stress can be effectively reduced, so that the high-flatness copper plate is obtained.

The invention provides an MOF-based nano positive electrode material and application thereof in an aqueous zinc ion battery, and relates to the field of electrochemical energy storage devices, and the MOF-based nano positive electrode material comprises a bimetallic MOF which is formed by bimetallic cluster nodes composed of divalent manganese ions and trivalent vanadium ions; the organic ligand is a polydentate carboxylic acid ligand containing a rigid aromatic ring structure, the organic ligand and the bimetallic cluster node are in coordination connection to form a three-dimensional frame structure, and the three-dimensional frame structure is provided with hierarchical pore channels. According to the MOF-based nano positive electrode material, a three-dimensional continuous conductive coating layer is constructed on the surface of a bimetal MOF by adopting nitrogen-doped carbon nanofibers, Mn-N and V-N coordination bonds are formed at an interface, firm heterogeneous interface bonding and an efficient electron transport network are realized, the mechanical stress of electrode particles is effectively buffered in the circulation process, and the electrochemical performance of the electrode particles is improved. The conductive network is prevented from cracking or falling off, and the overall conductive continuity of the electrode is ensured.

The present invention provides a bus with a low and thin passenger platform (28), which is suitable for standing passengers and can also foresee seat positions. The bus is an articulated bus with two or more units. The bus includes a passenger cabin (58), a left steering module (30) and a right steering module (30). Each steering module (30) includes: a wheel with a rotation axis (32), a steering knuckle with an upper pivot joint (68U) and a lower pivot joint (68L), and a steering actuator (68) for pivoting the corresponding steering knuckle around the upper pivot joint and the lower pivot joint. The bus also includes a passenger platform (28), which defines the passenger cabin and laterally connects the left steering module and the right steering module, and the passenger platform is at least partially vertically arranged between the rotation axis (32) of the wheel and the lower pivot joint (68L). The present invention also provides a bus steering method.

The utility model discloses a battery mounting mechanism and a standby power supply, the battery mounting mechanism comprises: at least one combination support, the combination support comprises a positive electrode support and a negative electrode support, and one side of the positive electrode support facing the negative electrode support is provided with two rows of first accommodating holes at intervals in a first direction; a set included angle is formed between the connecting line between the center points of every two adjacent first containing holes in different rows and the first direction so that a first air channel can be formed in the combined support, and the set included angle is larger than 0. One side, facing the positive electrode bracket, of the negative electrode bracket is provided with a second accommodating hole corresponding to each first accommodating hole; and each first accommodating hole and the corresponding second accommodating hole in the parallel bracket are respectively used for arranging a positive electrode and a negative electrode of one battery cell. According to the scheme, the battery mounting mechanism disclosed by the utility model can be used for arranging each layer of battery cells in a staggered manner according to a certain height difference in the height direction, so that more battery cells can be more closely arranged in a limited space, and the overall height of a product is effectively reduced.

The invention discloses a multi-layer gate analog CMOS process edge stress optimization integration method and a low voltage coefficient polycrystalline capacitor. The method steps include: 1) forming an N-type well in a low voltage coefficient integrated dual polycrystalline capacitor area, and forming a self-aligned P-type well in an area outside the N-type well; 2) depositing a polycrystalline film layer of a lower electrode of the low voltage coefficient integrated dual polycrystalline capacitor; 3) depositing a first layer of dielectric of the dual polycrystalline capacitor, and realizing the production of an edge protection layer of the lower electrode of the dual polycrystalline capacitor; 4) depositing a capacitor dielectric layer, and completing the production of a capacitor dielectric layer structure; the low voltage coefficient polycrystalline capacitor includes a P-type substrate, a P-type epitaxial layer, an N-type well, a self-aligned P-type well, a field oxide layer, a sacrificial oxide layer, a gate oxide layer, a polycrystalline film layer, a silicon dioxide dielectric layer, a capacitor dielectric layer, a low dielectric coefficient filling film layer, a metal interconnect film layer, and a protective dielectric passivation layer outside a top metal bonding area; the patent improves the edge effect of the dual polycrystalline capacitor and reduces the mechanical stress of the integrated dual polycrystalline capacitor.

The invention discloses a large-area perovskite thin film based on stress regulation and control and application thereof. The large-area perovskite thin film is prepared by adding a stress regulation and control agent into a perovskite precursor solution and then coating the perovskite precursor solution by adopting a slit coating process, the chemical structure of the stress regulating agent is A-B-A, A is a passivation structural unit with a large molecular structure, B is a group VI A element, A and B are connected through a covalent bond, and the distance between coordination sites at two ends of the stress regulating agent is equal to a unit cell unit of a perovskite crystal. According to the invention, thermal stress generated by annealing in thin film preparation is improved by adding the regulating agent into the perovskite precursor solution, and mechanical stress generated by a slit coating tool bit is eliminated, so that the efficiency and the stability of the perovskite solar cell module are improved.

The utility model discloses a cable connector with a protection structure, which comprises a cable, a connecting shell is arranged outside the cable, a plurality of connecting rods are connected inside the connecting shell in a sliding manner, lantern rings are connected outside the connecting rods in a sliding manner, a plurality of limiting blocks are fixedly connected inside the lantern rings, and the limiting blocks are connected with the connecting rods in a sliding manner. The exterior of the cable is fixedly connected with a first fixing block, and the exterior of the first fixing block is fixedly connected with a clamping block. Through the above structure, the rotating block at the top of the connecting shell is rotated and slightly pressed, so that the spring at the bottom is extruded, then the clamping block is aligned with the limiting block, in the spring extrusion process, the internal supporting rod is moved, and the supporting rod is fixed in the hole in the clamping block, so that the two cables are connected; in this way, no complex tool or tedious operation process is needed, and the installation efficiency is greatly improved especially under the conditions of emergency repair or rapid cable deployment.

This invention belongs to the field of micro / nano structure material design and battery energy storage technology, and relates to a method for preparing a three-dimensional graphene-COF interlocking material: First, by controlling the amination and reduction of graphene oxide, amine functional groups are precisely constructed on its surface, serving as active sites for heterogeneous assembly; then, in solution blending, the enhanced multiple intermolecular forces between the amine groups and the COF precursor drive the COF units to undergo oriented adsorption and two-dimensional ordered pre-assembly on the graphene surface, forming a molecular-level anchor array; subsequently, through a solvothermal reaction, interfacial covalent condensation and π-plane-induced epitaxial growth are synergistically achieved, causing the COF layer to crystallize and form a strongly coupled heterojunction with the deeply reduced and structurally repaired graphene at the molecular level; finally, after freeze-drying and shaping, a dual continuous conductive network carrier with a stable heterointerface, three-dimensional interlocking channels, and an intrinsic built-in electric field is obtained.

The utility model provides a kind of inner folding flexible screen belongs to flexible screen technical field, to solve in prior art, folding flexible screen mainly through integrated high-precision hinge mechanism realizes the foldable function of equipment, to take into account portability and big screen experience, however, in actual use process, when flexible display repeatedly bending, its folding angle area is prone to local stress concentration, affect the reliability and service life of screen Problem, including the cover plate is fixed in the lower end surface of protection film;The display panel is fixed in the lower end surface of cover plate;The functional film is fixed in the lower end surface of display panel;The protection panel is fixed in the lower end surface of functional film;The support plate is fixed in the lower end surface of protection panel;By the setting of the utility model, not only realize the shaping of flexible screen folding angle, also effectively control the radian in folding process, significantly prolong the service life of flexible screen.

The application discloses an energy-accumulating impact slag poking device and belongs to the technical field of coal feeder cleaning. The device comprises a clamping type base which is detachably installed at the position of a slag discharging hole of a slag discharging pipe, a guide sleeve, a slag poking rod, a sliding hammer assembly and a driving assembly are integrated on the outer side of the base. The driving assembly drives the sliding hammer assembly to reciprocate, thereby forming axial impact load on the slag poking rod. The slag poking rod is internally integrated with an inertial impact block and a telescopic micro crushing piece. A rotatable spiral crushing head is arranged at the front end of the slag poking rod. A reset energy-accumulating structure is matched to realize the automatic reset anti-stuck function of the slag poking rod. The device realizes the efficient cleaning of the slag discharging pipe and the coking block and the clogged slag material through the multiple synergistic effects of mechanical impact, rotary cutting and inertial secondary crushing. The overall structure is convenient to disassemble and assemble and has high automation, and the technical problems of the traditional slag poking device, such as incomplete cleaning, easy sticking and low operation efficiency, can be effectively solved. The device is suitable for the normal slag cleaning operation of various industrial slag discharging pipes.

The application relates to the technical field of semiconductor packaging, and discloses a packaging structure for combining and packaging an LED and an IC, which comprises an IC chip and a Micro LED chip vertically combined above the front surface of the IC chip; the IC chip is internally integrated with a driving circuit and has metal welding spots distributed on the top surface and matched with the electrodes of the Micro LED chip; the IC chip and the Micro LED chip form a three-dimensional stacked integrated structure through a metal bonding layer; the physical projection of the Micro LED chip is located in the projection range of the IC chip; the IC chip is provided with a conductive mechanism for leading out signals, and the conductive mechanism comprises surface bumps distributed on the edges of the front surface, vertical conductive columns penetrating the interior, back welding balls on the back surface, back cut positions in the form of slopes on the edges, and a metal coating layer covering the back cut positions and connecting the front circuit and the back welding balls. The application realizes miniaturization of the packaging size and improves display transmittance.

The invention relates to the technical field of direct-current power supply control, in particular to a direct-current capacitance calculation method of a diesel generating set under a pulse load and a diesel generating set system. Comprise pulse peak power, pulse period, pulse on / off time, system no-load direct current voltage, allowable minimum direct current voltage and response time of a diesel engine control unit ECU; according to the obtained parameters, equivalent discharge time needing to be provided by the energy storage capacitor is determined; and calculating the capacitance value of the energy storage capacitor according to an energy conservation relation, and connecting the calculated energy storage capacitor in parallel to a direct current bus of the generator set. In the invention, by establishing a quantitative calculation method of the direct current energy storage capacitor under the pulse load and combining a slow response control strategy of low-pass filtering of a voltage loop of the alternating current-direct current converter, the pulse transient power is borne by the capacitor, and the diesel engine stably intervenes according to self response characteristics, so that the voltage fluctuation of a direct current bus is effectively inhibited; and engine rotating speed impact and mechanical stress are reduced.