481results about How to "Solve the leak" patented technology

The utility model relates to the field of pile foundations, in particular to an uplift precast pile structure which comprises a precast hollow pile and an anchoring device, the anchoring device is connected with the precast hollow pile, a plurality of unbonded prestressed steel strands are arranged in the precast hollow pile, and the anchoring device comprises a pile bottom anchoring part and a pile top anchoring part. The anti-pulling precast pile solves the problem that an anti-pulling precast pile in the prior art cannot be used as a long pile or an ultra-long pile, improves the anti-pulling bearing capacity of a single pile, improves the stress performance of the anti-pulling pile, and enables the anti-pulling pile to have better integrity and anti-pulling ductility.

The invention belongs to the technical field of semiconductor processing, and particularly relates to a method for improving 3D wafer stacking electric leakage and a semiconductor structure. A wafer is provided, the wafer comprises a substrate layer and an oxide layer, one side of the oxide layer is a bonding surface, and one side of the substrate layer is a bottom surface; a metal interconnection structure is arranged in the oxide layer, a through hole is formed in the oxide layer from the bonding surface side, and the through hole is communicated with the metal interconnection structure and is filled with a conductor layer; the bonding surfaces of one wafer and the other wafer are opposite, and the conductor layers of the two wafers are communicated; a TSV through hole is formed in the bottom face of any wafer in the direction of the metal interconnection structure, and the TSV through hole is communicated with the metal interconnection structure; depositing an oxidation deposition layer in the TSV through hole, wherein the oxidation deposition layer at least covers the side wall of the TSV through hole; and depositing a TSV through hole conductor layer in the TSV through hole, wherein the TSV through hole conductor layer is communicated with the metal interconnection structure. Through a simple process, the problem of electric leakage of the TSV is solved, and the reliability of the semiconductor device can be improved.

The invention relates to a connection construction method between a newly-built station and an existing station, which is characterized in that underground diaphragm walls formed in respective excavation construction stages are arranged between station hall layers of main body structures of the existing station A and the newly-built station B, an overburden layer is arranged on the top surface of the station hall layer of the existing station A, and a construction trestle is arranged on the top surface of the station hall of the newly-built station B; in order to achieve transfer between the existing station A and the newly-built station B, transformation connection is conducted through a subsection breaking method and a constructed reinforced concrete frame, and anchoring connection is conducted between the reinforced concrete frame and a station main body structure through a steel bar planting method. When the side wall and the underground wall of the existing station A are broken, measures such as overlying soil unloading, construction of a water retaining and draining system and temporary supporting of a station hall layer are taken, so that the connection construction safety of the new station and the old station and the structure safety of the existing station A are ensured, and meanwhile, transfer connection between the two stations is smoothly realized; and the problem that the overall performance of the station is affected due to the fact that water seepage is prone to occurring at the connecting point of the existing station A and the newly-built station B is solved.

The utility model discloses a novel porous precast slab reinforcing assembly which comprises a plurality of first reinforcing strips, second reinforcing strips and third reinforcing strips (41), the first reinforcing strips are distributed in parallel to the stress direction of precast slabs (63) and located at the splicing seams of the precast slabs (63), and the third reinforcing strips (41) are distributed in parallel to the stress direction of the precast slabs (63). The second reinforcing strips are distributed in the direction perpendicular to the stress direction of the prefabricated plate (63), the second reinforcing strips and the first reinforcing strips are arranged at intervals, and the third reinforcing strips (41) wrap the side edge of the non-stress side of the prefabricated plate (63). The floor has the advantages of being good in floor integrality and capable of preventing floor leakage.

The invention belongs to the technical field of electronic circuits, and particularly discloses a charge pump electric leakage compensation circuit and method and a phase-locked loop, the circuit comprises a current source, a comparator and two pulse width detectors, two input ends of the comparator are respectively connected with the two pulse width detectors, and an output end of the comparator is connected with a control end of the current source. The output end of the current source is connected to the common connection end of the low-pass filter and the voltage-controlled oscillator in the phase-locked loop, and the input ends of the two pulse width detectors are connected with the two control signal input ends of the charge pump in the phase-locked loop respectively. The optimal electric leakage compensation current can be effectively determined, the electric leakage problem of the charge pump is solved, the jitter effect of the VC voltage received by the voltage-controlled oscillator can be effectively reduced, the problem that the output clock frequency of the voltage-controlled oscillator is unstable due to the jitter of the VC voltage is solved, and the voltage-controlled oscillator outputs an ideal clock.

The water dispenser comprises a first waterway board, a second waterway board, a water pump, a cold tank and a hot tank, the first waterway board is provided with a water distribution pool, a water inlet waterway and a water outlet waterway, the second waterway board is provided with a water drainage waterway, the water pump is suitable for pumping water to the water distribution pool, and the cold tank is suitable for being communicated with the water inlet waterway to receive water from the water distribution pool. The cold tank is suitable for being communicated with the water inlet waterway so as to receive water from the water distribution pool, is suitable for being communicated with the water outlet waterway so as to output refrigerated water and is also suitable for being communicated with the water drainage waterway so as to discharge water in the cold tank, and the hot tank is suitable for being communicated with the water inlet waterway so as to receive water from the water distribution pool, is suitable for being communicated with the water outlet waterway so as to output heated water and is also suitable for being communicated with the water drainage waterway so as to discharge water in the hot tank. The first waterway plate is provided with the corresponding waterway, the second waterway plate is also provided with the corresponding waterway, at least part of silicone tubes in a traditional water dispenser are replaced, use of the silicone tubes is reduced, the water leakage problem is effectively avoided, module and assembly are facilitated, and the production efficiency is improved.

The invention discloses an oil-filled sealed photoelectric connector for an underwater vertical dynamic cable system. The oil-filled sealed photoelectric connector comprises a bent plug assembly and a socket assembly, wherein the bent plug assembly comprises a bent plug connector connected with the dynamic cable; a photoelectric contact component I is arranged in the bent plug component; the socket assembly is fixed on the detection unit glass sphere, and a photoelectric contact assembly II connected with a detection element in the detection unit glass sphere is arranged in the socket assembly; wherein the photoelectric contact component I is adaptively connected with the photoelectric contact component II. According to the invention, through application of the oil filling pipe, special sealing design and innovation of key technical points such as the oil-filled sealing photoelectric connector integrating the battery core wire and the optical fiber core wire, the water pressure resistance reliability, the sealing performance and the signal transmission stability of the connector in a deep sea high-pressure environment are remarkably improved; the device provides support for long-term stable operation of a deep-sea micro telescope, can be expanded and applied in the future, and meets other long-term application requirements of deep sea.

The invention relates to the technical field of anchor cable construction in foundation support, in particular to a coastal high-permeable stratum chambering anchor cable construction structure and method. The anchor cable construction structure comprises a hole forming assembly, a non-return assembly and a leaking stoppage assembly. The hole forming assembly comprises an outer sleeve, an inner drill rod, a drilling bit and a rotary spraying bit, the outer sleeve is connected to the outer side of the inner drill rod in a sleeving mode, and the drilling bit and the rotary spraying bit are installed at the inner end of the inner drill rod; the non-return assembly is installed on the inner drill rod, one end of the non-return assembly is provided with a non-return plate, and the outer edge of the non-return plate abuts against the inner wall of the outer sleeve; the leaking stoppage assembly comprises a middle air bag connected to the anchor cable in a sleeving mode, and the space between the middle air bag and the anchor cable is filled with leaking stoppage materials. The problems that in the prior art, hole collapse is prone to occurring, high-pressure rotary jet grouting is not full, and secondary water leakage occurs after the anchor cable is tensioned are solved.

The utility model provides a paper diaper leakproof side wall structure which comprises a paper diaper body, leakproof side walls are arranged on the left side and the right side of the paper diaper body, the leakproof side walls are provided with inner-layer waterproof cloth and outer-layer waterproof cloth, and a plurality of rubber bands are arranged between the inner-layer waterproof cloth and the outer-layer waterproof cloth. The inner-layer waterproof cloth and the outer-layer waterproof cloth are bonded together, the leakage-proof side walls are provided with turnover parts, the turnover parts are located on the front waistline and the rear waistline of the paper diaper body, and the leakage-proof side walls are arranged on the two sides of the paper diaper body so that liquid can be prevented from leaking out of the two sides of the paper diaper body. Meanwhile, the turnover parts are arranged on the leakage-proof side walls to reinforce connection of the leakage-proof side walls, the turnover parts effectively reduce the height of the leakage-proof side walls on the front waistline and the rear waistline to prevent the leakage-proof side walls from tightening the roots of the thighs, meanwhile, the turnover parts are turned outwards to block liquid again, and the problems that the roots of the thighs are tightened by the leakage-proof side walls and liquid leaks are solved.

The invention provides an embankment anti-seepage treatment method based on water conservancy construction, and relates to the field of water conservancy projects, and the method comprises the following steps: A, excavating at an embankment position needing to be implemented according to a construction drawing to form an embankment foundation, constructing on the embankment foundation to form anti-seepage geotechnical cloth, and compacting the anti-seepage geotechnical cloth; b, an anti-seepage panel is constructed on the anti-seepage geotechnical cloth, and the anti-seepage panel is compacted; c, paving a cushion layer and a transition layer on the anti-seepage panel according to construction requirements; d, burying different intelligent sensors at different parts of the constructed dike, and constructing a real-time monitoring network; and E, transmitting the data acquired by the sensor to a remote monitoring platform through the Internet of Things technology, and analyzing and processing the data. A traditional water conservancy construction dike anti-seepage method is improved, a physical anti-seepage structure and an intelligent monitoring technology are combined, leakage problem early warning can be timely and accurately carried out, effective repairing measures are rapidly taken after early warning, and the dike anti-seepage treatment performance is greatly improved.

The invention provides a display device which comprises a plurality of cascaded gate drive circuits, and each gate drive circuit comprises two pull-down sub-circuits. Each pull-down sub-circuit includes an inverter and a pull-down maintenance unit, wherein the inverter includes a reset transistor and a plurality of transistors. The two pull-down sub-circuits are configured to alternately output low-level power supply signals to the second node in a period of a preset duration, and the preset duration is in a range from the duration of a driving period of 160 frames of pictures to the duration of a driving period of 240 frames of pictures. Through the combined action of the plurality of transistors in the inverter, the grid voltage of the transistor connected with the second node is reduced, and the working time of each pull-down sub-circuit is reduced through the alternate working mode of the double pull-down sub-circuits; therefore, the problems of electric leakage and stability in the gate drive circuit of the high-mobility oxide semiconductor thin film transistor are effectively solved.

The water dispenser comprises a first waterway plate, a second waterway plate, a cold tank and a hot tank, the first waterway plate is provided with a water receiving pool, a water inlet waterway and a water outlet waterway, the second waterway plate is provided with a water drainage waterway, and the cold tank is suitable for being communicated with the water inlet waterway to receive water from the water receiving pool. The cold tank is suitable for being communicated with the water inlet waterway so as to receive water from the water receiving pool, is suitable for being communicated with the water outlet waterway so as to output refrigerated water and is also suitable for being communicated with the water drainage waterway so as to discharge water in the cold tank, and the hot tank is suitable for being communicated with the water inlet waterway so as to receive water from the water receiving pool, is suitable for being communicated with the water outlet waterway so as to output heated water and is also suitable for being communicated with the water drainage waterway so as to discharge water in the hot tank. The first waterway plate and the second waterway plate can serve as core parts to be connected with a cold tank and a hot tank, so that communication of waterways is achieved, the corresponding waterways are arranged on the first waterway plate and the second waterway plate, silicone tubes in a traditional water dispenser are replaced, use of the silicone tubes is reduced, the problem of water leakage is effectively avoided, module and assembly are facilitated, and the water dispenser is convenient to use. The production efficiency is improved.

The utility model discloses an integrated waterway module which comprises a water collecting block and a water segregator, the water collecting block is detachably connected with the water segregator, a waterway in the water collecting block is communicated with a waterway on the water segregator, and a water inlet connector, a water outlet connector, an air inlet connector and an air outlet connector are installed on the water collecting block. A water inlet main path is arranged in the water collecting block and selectively communicates with the water inlet connector or the air outlet connector. A water return main path is arranged in the water collecting block and selectively communicates with the air inlet connector or the water outlet connector. After the mold is installed in place on a machine table, the water collecting block and the water segregator are assembled for use, after the mold is used, the mold is detached from the machine table, the water segregator is reserved on the mold, the water collecting block can be independently detached to be used for other molds, and in the process that the mold gets on and gets off the machine table, the water segregator and the mold are kept in water way connection without detaching a water pipe and connecting a water pipe. Manual operation is reduced, the labor intensity is reduced, and the problem of water leakage caused by frequent plugging at the interface is also avoided.

According to the invention, the phase change material is wrapped in the high molecular polyethylene material to obtain the phase change energy storage microcapsule, and the phase change energy storage microcapsule can be used as a coarse aggregate of the concrete material, and is matched with cement, aggregate, nano silicon and water to form the phase change material-based cold storage and heat storage integrated concrete material. A cement-based material and a phase change material are combined to construct a concrete material with heat storage and cold storage functions. In the phase change process of the phase change material, heat storage, heat release, cold storage and cold release are achieved, and the problem that due to seasonal changes, energy requirements are different is solved.

The utility model discloses a refrigerator middle beam anti-condensation structure which comprises a refrigerator middle beam, and a first active type side anti-condensation plate and a second active type side anti-condensation plate are installed on the two sides of the refrigerator middle beam respectively. Due to the fact that the flexible high-heat-conduction graphite sheets and the like are installed, when the device is used, heat conduction type anti-condensation assemblies are fixed to the two ends of the first active type side anti-condensation plate and the two ends of the second active type side anti-condensation plate; the heat conduction type anti-condensation assembly comprises a transverse copper alloy heat exchange sheet, a vertical copper alloy heat exchange sheet and a flexible high-heat-conduction graphite sheet, and the transverse copper alloy heat exchange sheet and the vertical copper alloy heat exchange sheet are attached and fixed to the outer wall of the middle beam of the refrigerator through heat conduction glue. A heat conduction heating structure is formed between the flexible high-heat-conduction graphite sheets which are fixed to the heating end of the refrigerator condenser in an attached mode through heat conduction glue, heat of a refrigerator product can be utilized to be guided to the outer wall of the refrigerator middle beam, and condensation prevention protection of the waste heat utilization type refrigerator middle beam is achieved.

The invention relates to the technical field of water conservancy devices, and discloses a self-adjusting integrated gate which comprises a gate frame, a gate base and a gate frame, the gate base is arranged at the bottom of a water flow channel, the gate frame is arranged on the gate base, when the gate falls down, water flow cannot pass through, and the gate is composed of a first gate body and a second gate body. The first gate is arranged on the front side of the second gate, a gap is formed between the first gate and the second gate, a first gate notch and a second gate notch corresponding to the first gate and the second gate in position and shape are formed in the gate base, a base water inlet is formed in the front side of the gate base, and a base water outlet is formed in the rear side of the gate base. The base water inlet is communicated with the first gate notch, the base water outlet is communicated with the second gate notch, a water storage cavity is formed between the first gate notch and the second gate notch, the first gate notch and the second gate notch are communicated through the water storage cavity, and the bottom of the base water outlet is arranged in a downward inclined mode.

The invention discloses a foundation pit support structure under a weathered rock geological layer limited space and a construction method of the foundation pit support structure. The construction method comprises the steps that Larsen steel sheet piles are provided; a foundation pit support hole is formed through hole guiding construction; backfill material filling construction is conducted, specifically, the backfill material below the excavation bottom line of the foundation pit is cement mortar doped with fibers, and the backfill material above the excavation bottom line of the foundation pit is undisturbed soil taken out through hole guiding construction; the Larsen steel sheet piles are inserted, the two sides of the Larsen steel sheet piles are embedded and fixed through the backfill materials below the excavation bottom line of the foundation pit, and the two sides of the Larsen steel sheet piles are extruded and fixed through the backfill materials above the excavation bottom line of the foundation pit; the horizontal waterproof curtain is formed by pressurizing and grouting through the grouting pipes on the Larsen steel sheet piles, and the foundation pit support structure of the plate wall waterproof composite structure is formed through the foundation pit support holes, the backfill materials, the Larsen steel sheet piles and the waterproof curtain. The foundation pit support structure can be constructed under the condition that the operation space is limited, and the method has the advantages of being good in water stopping effect and high in safety.

The invention discloses a low-temperature-resistant hydrogel electrode patch and a preparation method and application thereof, and the preparation method comprises the following steps: mixing water, betaine and calcium chloride in proportion to obtain a eutectic solvent; dissolving octadecyl methacrylate in the deep eutectic solvent, then adding tannic acid, acrylic acid, ammonium persulfate and N, N-methylene bisacrylamide, and uniformly mixing; and finally, adding guar gum, uniformly mixing, and standing to obtain the low-temperature-resistant hydrogel. Dynamic covalent bonds formed between the acrylic acid and the octadecyl methacrylate form a first chemical cross-linked network; hydrophobic bonds of octadecyl methacrylate are mutually crosslinked, the hydrogen-bond interaction of guar gum and the coordination of carboxyl of acrylic acid and Ca < 2 + > metal in calcium chloride jointly form a physically crosslinked second network. The calcium chloride can improve the conductivity of the hydrogel, the eutectic solvent can inhibit the generation of ice crystals and can provide conductive ions, and the low-temperature resistance of the low-temperature-resistant hydrogel electrode patch is improved.

The invention belongs to the field of laser wireless energy transmission. The invention provides a laser battery array chip and a manufacturing method and application thereof, the chip comprises a battery array formed by serially connected sub-batteries, each sub-battery comprises an electrode extension part and an electrode connection part which extend from a metal electrode layer, and the electrode extension parts and the electrode connection parts are electrically connected with buffer layers of adjacent sub-batteries, so that serial connection is realized; the sub-cell further comprises a first insulating passivation layer for isolating the metal electrode from the energy conversion layer and isolating the adjacent sub-cell. The design greatly improves the laser energy output efficiency and conversion efficiency per unit area. The laser energy conversion battery array chip designed by adopting a chip process has extremely high output energy density and smaller volume and weight, so that the laser energy conversion battery array chip is more suitable for being applied to the fields of wireless charging of unmanned aerial vehicles in the future and the like.

The invention discloses a linear engineering assembly type combined calandria construction method. The construction method specifically comprises the following steps of prefabrication of calandria, excavation of a construction area, arrangement of a cushion layer, installation of the calandria, treatment of connectors and backfilling. The prefabricated standard length of the calandria is 6 meters, and the calandria is provided with connecting holes and spiral compression-resistant ribs; the digging depth of the groove is 1.2-1.5 times of the outer diameter of the calandria, and a water collecting well and drainage measures are arranged; the surface of the cushion layer is provided with a drainage slope and a drainage groove; a QY25K type crane is used for hoisting the calandria, and the alignment precision is ensured; multiple sealing is performed at the joint; and performing layered compaction and settlement monitoring in the backfilling process. According to the construction method, the construction efficiency and quality are improved, and the influence on the environment is reduced.

The utility model relates to the technical field of building structures, in particular to a waterproof structure for an outdoor pipe of a built basement outer wall, which comprises a steel concrete body, a cement mortar filling layer and a waterproof sleeve. The steel concrete body is arranged on the outer surface of an outer wall of a built basement, connected with the outer wall of the built basement through embedded steel bars and surrounds an outdoor pipe outside the outer wall of the built basement. The waterproof sleeve is arranged on the outer surface of the outdoor pipe in a sleeving mode and connected with the steel concrete body. A first hole is formed in the outer wall of the built basement along the outer surface of the outdoor pipe, and the first hole is filled with a cement mortar filling layer. According to the waterproof structure for the house-out pipe of the built basement outer wall, the problem of water leakage caused by the fact that a hole is formed in the built basement outer wall and the pipe penetrates through the hole is solved from the design level, and effective technical support is provided for making up for the lack of the house-out pipe in a new building and newly adding the house-out pipe in transformation of an old building.

The utility model discloses an exhaust passage floor connected building structure, a prefabricated part comprises a lower bearing platform, an upper bearing seat is vertically arranged on the lower bearing platform, the cross section outline of the lower bearing platform is larger than that of the upper bearing seat, and the lower bearing platform and the interior of the upper bearing seat jointly form a vertical air passage. The building structure comprises an upper-layer exhaust passage and a lower-layer exhaust passage and further comprises the prefabricated part, the upper-layer exhaust passage is connected with the upper bearing seat, an inner air passage of the upper-layer exhaust passage is opposite and communicated with the air passage, the lower-layer exhaust passage is connected with the lower bearing platform, and an inner air passage of the lower-layer exhaust passage is opposite and communicated with the air passage. The connecting joint has the advantages that the connecting joint of the floor slab and the exhaust passage is prefabricated, the floor slab and the exhaust passage are of an integrated structure, and the leakage problem of a traditional connecting joint is fundamentally solved; the upper and lower layers of exhaust passages are in transition communication, ventilation of the lower and upper air passages is completed, stable connection can be guaranteed, and the overall strength of the formed air passages is reliable.

The utility model relates to the technical field of pipeline connection anti-leakage, in particular to an anti-leakage device of a heating, ventilation and fire fighting system, which comprises two pipelines, flanges are arranged on the pipelines, the two flanges are connected through a first bolt, a groove is arranged at the end of each pipeline, a first sealing ring is arranged in each groove, and sealing covers are sleeved outside the two flanges. A jacking mechanism is arranged on the sealing cover; the jacking and pressing mechanism is used for jacking and pressing the two flanges and pressing the first sealing ring between the two flanges. Through cooperation of the sealing cover and the jacking mechanism, extra pressure can be applied to the two flanges, the first sealing ring is further pressed, the sealing effect is enhanced, and the anti-leakage performance of the connecting position is remarkably improved; the structure is simple, installation can be achieved without complex operation, the problem of leakage caused by aging of a sealing piece and loosening of a connecting piece in traditional pipeline connection is solved, resource waste can be reduced, the equipment damage probability can be lowered, and stable operation of a heating, ventilation and fire fighting system is guaranteed.

The utility model relates to the technical field of sealing rings, in particular to a multi-cavity anti-seepage rubber sealing ring which comprises a main sealing ring, a main body of the main sealing ring is a soft rubber body, a supporting body with an S-shaped inner sleeve cross section is arranged in the supporting body, an elastic body is filled in the supporting body, a plurality of sealing convex rings are arranged on the two sides of the top and the bottom of the main sealing ring, and a plurality of sealing lips are arranged on the soft rubber body. The elastic body is composed of a rubber ring and a plurality of supporting convex ribs. When the sealing ring is extruded, a multi-cavity structure is formed between the sealing lips and cooperates with the sealing convex ring, a tight multiple anti-seepage system is constructed, the anti-seepage performance is remarkably improved, meanwhile, the elastic body continuously provides stable supporting force for the sealing ring by means of the good elastic supporting performance, it is ensured that the main sealing ring is tightly attached to the sealing face, and leakage caused by untight attachment is effectively avoided.

The utility model discloses an air-tight seal stirring device, which comprises a shell, a stirring rod, a floating guide disc, an air inlet valve and a discharge valve, a discharge pipe is vertically arranged at the bottom of the shell, the stirring rod is rotatably arranged in the shell, the bottom of the stirring rod vertically extends into the discharge pipe, and the floating guide disc is arranged on the bottom of the shell. The floating guide disc is arranged in the discharging pipe and arranged on the stirring rod in a sleeving mode, a guide hole corresponding to the stirring rod is formed in the middle of the floating guide disc, the air inlet valve is arranged on one side of the discharging pipe, a plugging plate is arranged at the bottom of the discharging pipe, and the discharging valve is arranged at the bottom of the plugging plate. A blind hole is formed in the bottom of the stirring rod in an inwards-concave mode, and a discharging hole vertically communicated with the blind hole is formed in the outer circle of the stirring rod. According to the air-tight stirring device disclosed by the utility model, the problem that raw materials enter the discharge pipe in the stirring process is avoided, the raw materials can be ensured to be fully stirred, and the problem of leakage of the raw materials can also be avoided.

The utility model discloses a kind of hysteroscope liquid leakage prevention structures, including center cylinder base, the both ends of center cylinder base are fixedly connected with end fixed ring, the outer end array of two sides the end fixed ring is fixedly connected with multiple elastic supporting pieces, and the outer end of multiple elastic supporting pieces of same side is equipped with silica gel outer cover, two sides The outer side of elastic supporting piece is fixedly connected with operating slip ring and insertion stop seat respectively, and the outer end of two sides silica gel outer cover is fixedly connected with the outer edge of corresponding side operating slip ring and insertion stop seat.In insertion, small in diameter, it is convenient to set, and will not cause damage to cervix, can effectively solve the problem of clinical surgeon encountered in hysteroscopy surgery in uterine cavity liquid leakage, reduce operation time and surgical complications, improve operation efficiency and safety.

The present invention discloses a thermal management system for a hydrogen energy vehicle fuel cell. The system includes a radiator, an expansion water tank, a water filter, a heater and a water pump; the radiator, the water filter, the fuel cell and the water pump form a closed loop through a main pipeline, the water inlet end of the water pump is connected to the fuel cell, the water outlet end of the water pump is connected to the radiator, and the heater is connected in parallel with the radiator through a branch pipeline; the expansion water tank is connected to the radiator through a degassing pipe, and the expansion water tank is connected to the pipeline section between the water pump and the fuel cell through a water supply pipeline, and the degassing pipe is provided with a regulating mechanism for regulating its liquid flow. The present invention improves the warm-up speed by providing a regulating mechanism for regulating its liquid flow on the degassing pipe. Through the present invention, the problem of leakage of the large circulation loop of the fuel cell system is solved, the heating rate of the fuel cell system is improved, and the heating power demand of the external auxiliary heat source when the fuel cell system is started at low temperature is reduced.

The utility model relates to the technical field of semiconductor production equipment, in particular to a material pouring box device capable of automatically counting products, which comprises a base, an empty material box and a full material box which are communicated with each other are arranged at the top of the base, and the empty material box and the full material box are adjacently connected side by side and are communicated through a flow guide channel; the material pushing mechanism comprises a material pushing air cylinder fixed to the base and a material pushing plate connected to the tail end of a piston rod of the material pushing air cylinder, and the section shape of the material pushing plate is matched with the cross section of the cavity of the full material box; the detection control module is vertically fixed to the side, away from the full material box, of the empty material box and extends towards the inlet direction of the flow guide channel. Through PLC control, sensor detection and material pushing mechanism linkage, automatic material pouring and accurate counting are achieved, buffer protection and traceable data export functions are matched, the problems of material leakage, counting errors and low efficiency of manual material pouring are solved, and the automation degree, the product protection performance and the quality traceability of the semiconductor production process are improved.

The application relates to an air treatment device and a humidifying device. The air treatment device comprises a shell, a wet curtain assembly with a first water channel, a water pumping assembly, the water pumping assembly being detachably mounted on the shell, the water pumping assembly having a second water channel, the second water channel being integrated on a first connector, a second connector arranged on the shell and having at least one connecting channel for connecting the first connector and the first water channel, a valve rod arranged in the at least one connecting channel, a reset member connected to the valve rod, the valve rod being pressed to move to a first position when the water pumping assembly is mounted on the shell, and the valve rod moving to a second position under the action of the reset member when the water pumping assembly is detached from the shell, and first and second power connection terminals arranged on the two sides of the first connector respectively. The technical scheme of the application can solve the problems of water leakage and complex structure of the second connector, and improve the electrical safety and stability.

The invention provides a silicon carbide MOSFET (Metal-Oxide-Semiconductor Field Effect Transistor) structure and a manufacturing method thereof. The MOSFET structure comprises a silicon carbide substrate layer, a silicon carbide N-type epitaxial layer, a trench structure, a P column layer, a P-type well region, an N-type heavily doped region, a gate structure layer, a top metal layer and a drain electrode. The P column layer of the MOSFET structure comprises a first P column layer and a second P column layer. The first P column layer is formed by high-energy injection from the bottom surface of the groove structure to the silicon carbide N-type epitaxial layer, the groove structure is filled with the second P column layer, and the surface of the second P column layer is flush with the surface of the silicon carbide N-type epitaxial layer. According to the MOSFET structure, the overall P column layer is manufactured in a mode of combining high-energy injection and epitaxial filling, the overall depth of the P column layer is effectively increased under the condition that the depth of the groove structure is not increased, the process difficulty is reduced, the device yield is improved, and the device performance is improved.