71results about How to "Shorten the path" patented technology

The embodiment of the invention provides a live broadcast page display method and device, equipment and a storage medium. The method comprises the following steps: displaying a live broadcast room page corresponding to a first account; wherein the live broadcast room page corresponding to the first account comprises a live broadcast video stream corresponding to the first account and a live broadcast video stream corresponding to the at least one second account, and a connection relationship is established between the first account and the at least one second account; displaying interaction information corresponding to the second account on a live broadcast room page corresponding to the first account; wherein the interaction information corresponding to the second account represents an interaction behavior in a live broadcast room corresponding to the second account; and in response to a triggering operation of the interaction information, displaying an interaction page corresponding to the interaction information in a live broadcast room page corresponding to the first account. According to the embodiment of the invention, the operation of the object in the live broadcast room corresponding to the second account is completed in the live broadcast room corresponding to the first account, the object operation path is shortened, and the flow conversion efficiency is improved.

The invention belongs to the technical field of integrated circuit packaging, and particularly relates to a micro-channel packaging structure based on cooling liquid cooling and a packaging method thereof. Comprising a packaging body, a plurality of grooves are symmetrically formed in the upper surface and the lower surface of the packaging body, functional chips are mounted in the grooves, and active bonding pads of the functional chips face the outer side; the metal wiring layers are respectively arranged on the surfaces of the functional chips on the upper side and the lower side; the silicon through holes are vertically formed in the left side and the right side of the packaging body respectively, copper layers are filled in the silicon through holes to form a silicon through hole structure, and the metal wiring layers on the upper side and the lower side are conducted through the silicon through hole structure; the micro-channel groove is formed between the functional chips on the upper side and the lower side in the left-right direction, and the two ends of the micro-channel groove extend in the vertical direction and are exposed to the outside. Liquid helium is introduced to improve the heat dissipation effect of the double-sided chip, double-sided interconnection is realized by using the silicon through hole structure, and the heat dissipation problem of the high-performance chip can be effectively solved while the integration degree is improved.

The utility model discloses a three-phase three-layer multi-rotor motor structure and a wheel hub motor, the motor structure comprises three single-phase multi-rotor motor sets which are installed along the axial direction of a main shaft, each single-phase multi-rotor motor set is a 360-degree closed ring structure composed of a plurality of small motors, inner rotors and stators of the motor sets are alternately arranged, and two sides of each stator are provided with semicircular magnetic poles by taking a winding groove as a center. The permanent magnet rotor is coupled with stator semicircular magnetic poles on two adjacent sides to form a small motor; the rotors of the three motor sets are arranged in a one-to-one correspondence mode in the axial direction of the motors and coaxially connected in series through rotor through shafts, and the magnetic field directions of the rotors are sequentially staggered by 120 degrees. And the main shaft fluted disc is fixed on the main shaft, is used as a timing gear to be meshed with the pinions arranged on the rotor through shafts so as to drive the three motor groups to continuously operate, and is also used as a thrust gear to output motor torque. The hub motor provided by the utility model has the advantages of higher rotating speed, higher efficiency, smaller volume and lighter weight.

The invention relates to the field of sodium citrate preparation, in particular to a double-cooling type decolorizing and refining device and application thereof in sodium citrate preparation.The double-cooling type decolorizing and refining device comprises a reaction tank, a stirrer is arranged in the reaction tank, the double-cooling type decolorizing and refining device further comprises an outer cooling jacket and an outer cooling coil, and a cooling area is formed between the outer cooling jacket and the reaction tank; the outer cooling jacket is provided with an air inlet and an air outlet, and the outer cooling coil is provided with a water inlet and a water outlet. The rotating speed of the stirrer is detected through the rotating speed sensor, the flow adjusting assembly is adjusted according to a rotating speed signal, the cold air flow and the cooling water flow are gradually increased, the opening degree of the air inlet and the opening degree of the water inlet are gradually increased along with increasing of the rotating speed of the stirrer, continuous improvement of the cooling effect is ensured, and the particle size of formed crystals is effectively controlled; the increase of the number of crystal nucleuses and non-uniform crystallization caused by rapid cooling are avoided, so that the purity and the yield of the sodium citrate are improved.

Embodiments of this disclosure relate to multilayer power topologies and inductor devices. According to one configuration, an inductor device includes a core and one or more conductive paths. The core is magnetically conductive and surrounds (encapsulates) the one or more conductive paths. Each conductive path extends from a first end of the inductor device through the core of the inductor device to a second end of the inductor device. The magnetically conductive core is operable to limit (guide, carry, deliver, position, etc.) a corresponding magnetic flux generated from a current flowing through the corresponding conductive path. The core stores the magnetic flux energy (i.e., the first magnetic flux) generated by the current flowing through the first conductive path. One configuration herein includes a power converter assembly comprising a component stack including the inductor device as described above, a first power interface, a second power interface, and one or more switches.

An integrated feeding device facilitating taking and placing of carriers comprises a machine body, a storage mechanism and a driving mechanism. A containing cavity is formed in the machine body, and a feeding opening and a discharging opening corresponding to the pre-storage station and the feeding station of the machine body are formed in the containing cavity. The object placing mechanism comprises a first object placing seat and a second object placing seat which are installed in the containing cavity, the first object placing seat corresponds to the feeding opening and can stack carriers with parts, and the second object placing seat corresponds to the discharging opening and can stack vacant carriers; the driving mechanism comprises a first driving part, a second driving part and a transferring part which are installed on the machine body, the first driving part can drive the carrier on the first storage base to move out of the feeding opening to the pre-storage station, and the transferring part can drive the carrier on the pre-storage station to move to the feeding station; the second driving part is used for driving the vacant carrier at the feeding station to move to the second storage seat; as the carrier does not enter the automatic production line, the carrier can be prevented from being damaged and influencing the production takt, and workers can take / place the carrier on the machine body, so that the operation is convenient.

The utility model is applicable to the technical field of wire harness assembly, and provides a wire harness assembly tool capable of preventing wrong color matching and wrong assembly, which comprises a support plate, a back plate fixedly connected to the rear side of the upper end of the support plate, and a plurality of lighting assemblies arranged on the upper side of the front end of the back plate; a first wiring harness box, a second wiring harness box and a third wiring harness box are detachably and fixedly connected to one end of the lower side of the front end of the back plate, illumination is more convenient to adjust by arranging the illumination assembly, and the first wiring harness box, the second wiring harness box, the third wiring harness box, a plug end box, a part box, a tool box, a wiring harness containing pipe box and a collecting box are arranged, so that the practicability is high. The assembling and part taking are orderly, disorder, errors and omission are avoided, the part taking time and path are shortened, the part taking speed is increased, direct assembling after part taking is facilitated, time is saved, the work efficiency and the assembling quality are improved, and economic benefits are improved.

Embodiments of the present application provide a battery pack and an electric device with the battery pack. The battery pack comprises a housing assembly, a first connecting member and a cell assembly. The housing assembly has a first space. The housing assembly is provided with a first opening and a second opening communicating with the first space. The first connecting member is accommodated in the first space. The first connecting member is provided with a first channel. The first opening and the second opening communicate through the first channel. At least part of the cell assembly is arranged in the first space. In a first direction, projections of the first opening and the second opening are separated from a projection of the cell assembly. The first direction is a stacking direction of cells in the cell assembly. Heat of the cell assembly of the battery pack flows in the first channel through external air and is dissipated to the external environment, thereby improving the heat dissipation efficiency of the cell assembly.

The utility model discloses a grid for a storage battery of a golf cart. Belongs to the technical field of golf cart storage batteries. The storage battery mainly solves the problem that the service life of the storage battery is shortened due to premature corrosion of a grid in the use process of the conventional storage battery of the golf cart. The grid for the storage battery of the golf cart is mainly characterized by comprising an upper frame, a vertical frame, a lower frame, longitudinal ribs, transverse ribs and tabs, the number of the longitudinal ribs is larger than that of the transverse ribs. The sectional area of the longitudinal ribs is larger than that of the transverse ribs. The grid for the storage battery of the golf cart has the characteristics of improving the strength of the grid, improving the conductivity of the grid, improving the corrosion resistance of the grid and prolonging the service life of the storage battery of the golf cart, and is mainly used for the storage battery of the golf cart.

This invention provides a fully automated selective soldering system and method, comprising: a flux spraying mechanism arranged sequentially; a first conveying mechanism for conveying a PCB board to the spraying station of the flux spraying mechanism; a preheating mechanism for preheating the sprayed PCB board, wherein the preheating mechanism includes a third conveying mechanism; a second conveying mechanism for conveying the preheated PCB board above a rotary soldering mechanism; and a rotary soldering mechanism for soldering the preheated PCB board. The flux spraying mechanism is located below the first conveying mechanism, and the rotary soldering mechanism is located below the second conveying mechanism. The first and second conveying mechanisms are respectively connected to both ends of the third conveying mechanism. This arrangement simplifies the structure of the transmission section, making the overall equipment structure more compact; and significantly shortens the path of the PCB board between different processes, resulting in a substantial improvement in work efficiency.

The invention relates to the technical field of glass fabric forming, in particular to a wind power blade cutting piece automatic code spraying device which comprises an unwinding unit and a cutting unit. The unwinding unit comprises an unwinding mechanism, a code spraying mechanism and a constant tension control mechanism; one end of the code spraying mechanism is arranged on the base, the other end of the code spraying mechanism is arranged in the containing space, so that a code spraying head is obliquely arranged downwards and is parallel to the glass fabric, the unwinding mechanism is driven by a servo motor controlled by a computer, the traction speed is controlled according to the cutting unit and the constant tension control mechanism, and the cloth unwinding speed and the traction speed are controlled to be synchronous. The cloth releasing tension of the glass fabric is constant; the code spraying mechanism is arranged in the unwinding unit and is placed in front of the constant tension control mechanism, so that the code spraying mechanism and the unwinding mechanism are combined into a whole, the path for pulling the fabric is shortened, the situation that the code spraying mechanism causes extra resistance to a pulling system is effectively avoided, and therefore the stability of traction force of the cutting machine is ensured; and the reliability and the stability of the system are improved.

This specification provides an embodiment of a method for outbound goods processing. The method involves acquiring outbound orders to be processed in a target warehouse; determining the inventory information of each item in the outbound order; configuring picking tasks based on the inventory information, whereby the picking tasks are configured based on unit carrier capacity; sending the picking tasks to picking objects to enable them to pick items and obtain containers ready for outbound processing; then performing a verification task via an RFID channel machine; and finally, responding to the execution of the verification task, outbound operations are performed on the containers that have passed the verification task. This achieves a batch outbound process based on an RFID channel machine. Because it uses unit carrier capacity to batch pick items with different inventory levels, and employs a piecing operation to collect scattered items, it reduces the picking process path. Furthermore, the RFID channel machine performs batch verification of the collected items, ensuring the accuracy of the picked outbound goods.

The invention discloses a method for inhibiting odor in a garbage transfer workshop from escaping from a driving roadway and an odor-resistant structure. The odor-resistant structure comprises a flow-blocking inclined plate which is arranged above the edge part of a loading hopper and is used for blocking upwelling airflow at the edge part of the loading hopper, and a semi-closed space is formed below the flow-blocking inclined plate; the flow blocking inclined plate is used for guiding blocked upwelling airflow into the space to do vortex motion, and kinetic energy of the upwelling airflow is consumed through the vortex motion, so that the upwelling airflow is prevented from flowing to a driving roadway. When a garbage collecting vehicle dumps garbage into the loading hopper, upwelling airflow close to one side of the formed roadway is blocked through the flow blocking inclined plate, so that the airflow is guided to form vortex in the space below the flow blocking inclined plate, and the kinetic energy of the airflow is greatly consumed; therefore, the part of airflow can be effectively weakened from flowing into the driving roadway, and a good effect of preventing odor from escaping can be achieved.

The utility model discloses a He4 superflow suppression structure for a dilution refrigerator. The He4 superflow suppression structure comprises a distillation chamber, the reverse knife edge pipe is communicated with the distillation chamber; the sealing pipe is arranged outside the distillation chamber and sleeves the outer part, protruding out of the surface of the distillation chamber, of the reverse knife edge pipe; the suction pipe is communicated with the reverse knife edge pipe; the umbrella-shaped structure is fixed to the top of the inner wall of the distillation chamber and annularly arranged outside the reverse knife edge pipe, and during use, the climbing distance of He4 in the vertical direction is shortened through the multi-layer structure in the umbrella-shaped structure. According to the utility model, the umbrella-shaped inhibition structure and the reverse knife edge pipe structure are combined, so that the climbing problem of the superflow He4 in the distillation chamber is effectively prevented. The dilution refrigerator can work more reliably and stably, and the refrigeration efficiency is improved.

The application provides an embedded flash memory structure and a manufacturing method thereof. The gate stack layer comprises a tunneling oxide layer, a floating gate layer, a gate dielectric layer and a control gate layer which are stacked in sequence. The floating gate layer comprises a plurality of mutually electrically isolated nano storage points. During programming, charges can be stored in the plurality of mutually electrically isolated nano storage points. When breakdown occurs in any nano storage point, the remaining undamaged nano storage points can still normally store charges due to the electric isolation between the nano storage points, so that the floating gate layer can maintain normal storage function, thereby improving the overall stability of the memory and increasing the service life of the memory. The application has six kinds of embedded flash memory cell structures. In particular, the tunneling oxide layer and the floating gate layer are arranged to protrude from both sides of the gate dielectric layer and the control gate layer, thereby greatly improving the programming speed of the embedded flash memory.

The utility model relates to the technical field of medical instruments, and particularly provides a medical dust collection head and medical dust collection equipment. One end of the storage piece is detachably connected with the sucking and sweeping piece; the storage part is used for storing the chippings adsorbed by the sucking and sweeping part; one end of the negative pressure filter pipe is detachably connected with the other end of the storage part, and the other end of the negative pressure filter pipe is detachably connected with the negative pressure pipe; wherein the storage piece is provided with an expansion pipe body, the expansion pipe body is provided with a lower storage cavity and an upper negative pressure cavity, and the lower storage cavity and the upper negative pressure cavity are separated through a blocking baffle; one end of the negative pressure filter pipe is inserted into the upper negative pressure cavity; the blocking baffle is used for blocking part of chippings from entering the upper negative pressure cavity from the lower storage cavity. And therefore, paths for chippings to enter the negative pressure pipe are reduced. The blocking probability of the negative pressure pipe is effectively reduced, and the negative pressure pipe can keep stable suction force after being used for a long time.

The invention discloses an integrally designed energy storage heat management system which comprises a main machine and a condensation heat dissipation module, the main machine adopts a floor type installation mode and comprises a shell frame, a compressor, an evaporator and a throttling element, the compressor, the evaporator and the throttling element are arranged in the shell frame, and the condensation heat dissipation module and the main machine are integrally designed. And the first end of the main frame is connected to the top of the shell frame through the metal plate frame to form an inverted-L-shaped structure with the host. The condensation heat dissipation module comprises a condenser, the inlet end of the condenser communicates with an exhaust port of the compressor, and the outlet end of the condenser communicates with an inlet of the throttling element. The integrated design can avoid on-site fire welding, vacuumizing, refrigerant filling and other operations, and meanwhile, the integrated design can shorten the pipeline path, so that the cost is reduced, and invalid heat transfer is avoided.

The invention belongs to the technical field of magnetic suspension synchronous motors, and particularly relates to a magnetic suspension permanent magnet synchronous motor heat dissipation structure which comprises a shell, a stator part, a rotor part, a front end cover plate, a rear end cover plate, an air inlet and an air outlet, the front end cover plate and the rear end cover plate are connected to the two sides of the shell in the length direction respectively, the air inlet is formed in the rear end cover plate, and the air outlet is formed in the rear end cover plate. The rear end cover plate is provided with a first heat dissipation hole and a second heat dissipation hole, the second heat dissipation hole is connected with a heat dissipation channel, the heat dissipation channel is arranged in the shell, the position, close to the front end cover plate, of the heat dissipation channel is connected with a front end air outlet hole, the air outlet is formed in the shell, and the air outlet is connected with a one-way valve. Compared with the prior art, the heat dissipation area of the shell can be increased, internal cold air circulation is smoother, the heat dissipation efficiency is improved, and the size of the motor is reduced through the built-in heat dissipation channel.

The utility model relates to the technical field of water temperature regulation, in particular to a combined device for quickly and automatically regulating the outlet water temperature of cold and hot water, which comprises a regulating valve, a temperature sensor and a water outlet valve, the outlet water flow of a hot water inlet and the outlet water flow of a cold water inlet are in a tradeoff relationship, and the balance of the total amount of the cold and hot water is ensured. When the temperature sensor detects that the water temperature does not reach the set temperature, the temperature sensor controls the water outlet valve to discharge water which does not meet the water temperature and flow back into the water tank through the waste water channel, and when the temperature sensor controls the adjusting device to mix the water temperature to reach the set temperature, the temperature sensor controls the water outlet valve to discharge water which meets the water temperature through the water outlet channel. It is guaranteed that the flowing-out water meets the preset temperature, the situation that the water temperature is deviated from the set temperature due to the fact that the temperature after cold water and hot water are mixed is not determined is avoided, the adjusting valve, the temperature sensor and the water outlet valve are compactly arranged, the water flowing path is shortened, and temperature loss in the flowing process is avoided.

The utility model relates to the technical field of refrigerators, and discloses an inner container assembly for a refrigerator, comprising: a compressor cabin, two sides of which are oppositely provided with ventilation openings; the inner container comprises two side parts which are oppositely arranged, the two side parts are arranged on the two sides of the compressor cabin, and ventilation holes are formed in the positions, opposite to the ventilation openings, of the two side parts; the connecting assembly is arranged between the ventilation opening and the side portion, one side of the connecting assembly is attached to the ventilation opening, and the other side of the connecting assembly is attached to the side portion. The ventilation holes are directly formed in the side portions of the two sides of the inner container, and compared with the related technology, the process is simpler. Compared with staggered ventilation grilles, the ventilation holes can shorten the path of airflow passing through the ventilation structure and improve the heat dissipation effect. The connecting assembly is adopted to achieve connection and attachment between the ventilation opening of the compressor cabin and the side portion of the inner container, screws used in similar related technologies are not used for fixing, the time spent on the fixing process is shortened, and the installation efficiency is improved. The utility model further discloses the refrigerator.

The utility model discloses a thermosensitive film drying pipeline which comprises a first hot pipeline, a second hot pipeline, a third hot pipeline, a plurality of boost pumps and a main pipeline, the main pipeline is connected with an external heat supply unit, and the two ends of the first hot pipeline and the two ends of the second hot pipeline are fixedly connected with the main pipeline and communicated with the main pipeline. The two ends of the third heat pipeline are fixedly connected with the main pipeline and communicate with the main pipeline, the multiple propulsion pumps are arranged in the first heat pipeline and the second heat pipeline, and the first heat pipeline and the second heat pipeline are in a multi-channel bent shape and are arranged in parallel. According to the utility model, the temperature of each position can be kept relatively high in consistency by utilizing a bending posture that the first heat pipeline and the second heat pipeline are overlapped with each other, so that the long-distance drying performance of the thermosensitive film can be better improved while the energy consumption is reduced.

The present invention discloses a connector PIN height measuring device, the connector PIN height measuring device comprises: a support unit, a power unit and a detection unit, the support unit is in the form of a bracket with a base, used to carry the detection unit and the power unit, the detection unit and the power unit are located on the bracket, the power unit is connected to the bracket, used to provide power to the detection unit, the detection unit is connected to the power unit, used to detect the height of the PIN on the connector. The spring in the connector PIN height measuring device is compressed by the upward force of the conversion pin, the length of the conversion pin extending upward is equal to the length of the spring reduced by the compression, the multi-point laser displacement sensor can detect the length of the conversion pin extending upward, based on which it can be judged whether the connector PIN height meets the standard.

This invention discloses a method and system for quantifying cigarette consumer preferences based on multimodal fusion, belonging to the fields of data processing and artificial intelligence technology. The method includes: collecting voice data from consumers during smoking and behavioral observation data recorded in real-time by interviewers; processing the voice data to extract text features and acoustic emotion features; structurally encoding the behavioral observation data to generate a temporal behavioral feature sequence; and inputting the multimodal features, after time alignment, into a multimodal fusion analysis model based on an attention mechanism for fusion analysis, generating and outputting a structured quantitative index of consumer preferences. The system includes corresponding functional modules for implementing the above steps. This invention solves the problems of high cost, single insight dimension, and difficulty in quantifying conclusions associated with traditional methods. It can efficiently and accurately fuse consumers' subjective speech and objective behavioral responses in natural interview scenarios, outputting quantitative preference indicators that can directly guide cigarette product development, and has significant advantages such as low cost, high feasibility, and operable results.

The invention discloses a molecular sieve adsorbent which comprises a hierarchical pore hard core and a molecular sieve shell, the hierarchical pore hard core is an inorganic porous ball core with a mesopore-macropore composite structure; the molecular sieve shell is a mixture of molecular sieve raw powder and a crosslinking agent. The invention further discloses a forming method of the molecular sieve adsorbent and application of the molecular sieve adsorbent in a pressure swing adsorption process.

The invention relates to a long-distance retrograde orbit satellite load layout structure and a satellite assembly. The long-distance retrograde orbit satellite load layout structure comprises a satellite body, a satellite-borne atomic clock, a satellite-ground or inter-satellite link measurement and communication load, a space observation camera, a laser communication test load, a laser ranging time difference measurement load and a space scientific detection load, wherein the satellite-borne atomic clock is mounted on the inner side surface of the satellite body in a heat conduction manner; the satellite-ground or inter-satellite link measurement and communication load comprises an in-satellite transmitting assembly and an out-satellite antenna, the in-satellite transmitting assembly is installed on the inner side face of the satellite body in a heat conduction mode, and the out-satellite antenna is installed on the outer side face of the satellite body in a heat insulation mode. The space observation camera is installed on the outer side of the satellite body. The laser communication test loads are installed on the inner side and the outer side of the satellite body. The laser ranging time difference measurement load is thermally mounted on the inner side surface of the satellite body; space scientific detection loads are installed on the inner side face and the outer side face of the satellite body. And through reasonable load layout, low-energy-consumption orbit injection of the DRO satellite can be realized.

The present application relates to a kind of polygonal rope saw string bead chip removal structure and processing method, belong to the field of rope saw cutting.It includes: diamond working layer, matrix and multiple chip removal channels, diamond working layer sintering cover is set on the outer circumferential surface of matrix;Diamond working layer is similar to the tubular structure of polygonal cross section, diamond working layer is composed of multiple circular-arc corner sections and multiple plane sections, multiple circular-arc corner sections and multiple plane sections are alternately arranged with circular-arc transition, chip removal channel is obliquely arranged on circular-arc corner section and plane section, the end of diamond working layer entering workpiece first is working layer front end face, and the end of diamond working layer entering workpiece later is working layer rear end face, working layer front end face is plane, and working layer rear end face is wave surface.The present application is favorable to optimize the effect of chip removal in the process of rope saw machining, reduce cutting load, and improve the service life of string bead.

The utility model discloses a one-way single-layer multi-rotor motor structure and a hub motor. The motor structure comprises a single-phase multi-rotor motor set which is installed in a circumferential closed loop mode with a main shaft of the motor as the center and a main shaft fluted disc which is fixed to the main shaft and used for outputting motor torque. Rotors and stators in the single-phase multi-rotor motor set are alternately arranged, semicircular magnetic poles are arranged on the two sides of each stator with a winding groove as the center, and a permanent magnet rotor is coupled with the semicircular magnetic poles of the stators on the two adjacent sides to form a single-phase small motor. The main shaft fluted disc serves as a timing gear to be meshed with the pinions arranged on the rotor shafts so as to drive the rotors of the single-phase small motors to operate continuously, and meanwhile serves as a thrust gear to output motor torque. The motor structure has the advantages of higher rotating speed, higher working efficiency, small volume, light weight and simple structure, and particularly, the magnetic pole magnetic circuit of a single rotor is short, the magnetic resistance is small, and the magnetic heat loss is lower. The hub motor provided by the utility model has the advantages of higher rotating speed, higher efficiency, smaller volume and lighter weight.

The embodiment of the present invention provides an air guide structure and a hair styling device including the same. The air guide structure includes: a shell extending in the front-to-back direction; a chamber formed in the shell and extending in the front-to-back direction; an air inlet formed at the rear end of the shell and connected to the chamber to allow airflow outside the shell to enter the chamber; M air outlets formed on the side wall of the shell and respectively connected to the chamber to allow airflow in the chamber to leave the chamber; a star-shaped spiral shaft arranged in the chamber and extending in the front-to-back direction, the star-shaped spiral shaft includes M air guide surfaces arranged in sequence along its axial direction and corresponding to the M air outlets respectively, to guide the airflow in the chamber to the M air outlets respectively; M is a positive integer greater than or equal to 3. By providing a star-shaped spiral shaft with an air guide surface, the path and time of the airflow guiding to the front air outlet can be shortened, thereby reducing or eliminating the difference in air outlet temperature at each air outlet, so that the air outlet temperature distribution of each air outlet is more uniform.

The invention discloses an alkaline secondary battery current collector base band and application thereof.The current collector base band comprises a metal base band, a plurality of burr units are evenly distributed on the metal base band in an array mode, and each burr unit is composed of front trapezoid burrs and back trapezoid burrs which are symmetrically arranged; long bottom plates of the front trapezoid burrs and long bottom plates of the back trapezoid burrs are adjacent and parallel to each other, front trapezoid burr long bottom edges formed by the front trapezoid burrs are connected with the metal base band, front trapezoid burr short bottom edges form front trapezoid burr ends, and back trapezoid burr long bottom edges formed by the back trapezoid burrs are connected with the metal base band. And the reverse trapezoidal burr short bottom edge forms a reverse trapezoidal burr end part. The current collector base band adopting a specific trapezoidal burr bidirectional arrangement mode effectively improves the conductivity of the polar plate and reduces the battery resistance, so that the assembled alkaline secondary battery has high rate performance, long cycle service life and other electrical properties and high specific energy, and meanwhile, the requirements of high power and high specific energy of the battery are met.

The utility model discloses an air compressor waste heat recovery pipeline connecting structure, and relates to the field of air compressor accessories. According to the technical scheme, the air compressor waste heat recovery pipeline connecting structure comprises a pipe body, the left end of the pipe body is slidably connected with a first internal thread connecting cap, the right end of the pipe body is slidably connected with a second internal thread connecting cap, and a connector assembly is installed at the right end of the pipe body and comprises a first external thread ring; the first external thread ring is in threaded connection with the second internal thread connecting cap, the right side of the first external thread ring is fixedly connected with a connecting block, a sheath assembly is arranged outside the pipe body, and an inner cavity of the sheath assembly is matched with the outer contour of the connecting block and the outer contour of the second internal thread connecting cap. According to the scheme, the external sheath assembly is arranged, rigid limiting is formed outside the second internal thread connecting cap and the connecting block of the connector assembly, twisting between the second internal thread connecting cap and the connecting block is reduced, damage of internal and external threads to sealing materials is reduced, sealing performance and stability between connectors are guaranteed, waste heat medium loss is reduced, and waste heat recovery efficiency is improved.