123results about How to "Improve exhaust efficiency" patented technology

The utility model relates to the technical field of hub casting molds, and discloses a split type top mold structure which comprises a top mold body, the top mold body is divided corresponding to a rim part of a hub casting to form a split type structure comprising an upper mold and a lower mold, and isolation tables used for supporting the upper mold are arranged on the upper end face of the lower mold at intervals in the circumferential direction. And an exhaust gap for exhausting is formed between the upper die and the lower die. The top die is arranged in a split mode, the upper die and the lower die can be machined and manufactured independently, manufacturing of cooling structures such as an air pipe and a water way is facilitated, and the manufacturing cost of the hub die is reduced; the arrangement of the exhaust seam is beneficial to smooth exhaust of air at the rim part, and the defects of air holes, insufficient casting, flow marks and the like at the rim part of the hub casting are avoided; the positioning structure improves the assembly precision of the top die, ensures the casting quality, ensures the accurate alignment of a bolt hole and a threaded hole, and improves the assembly efficiency; and due to the arrangement of the negative pressure cavity, the exhaust efficiency is improved, and gas in the cavity is exhausted more thoroughly.

The invention discloses a roof interlayer water vapor discharging device and a construction method, and belongs to the technical field of buildings. The roof interlayer water vapor discharging device comprises a ventilation connecting pipe head, the interior of the ventilation connecting pipe head is hollow, the top of the ventilation connecting pipe head is provided with a vertical pipe connector, the upper portion of the vertical pipe connector is communicated with an exhaust vertical pipe, the top of the exhaust vertical pipe is provided with a bent pipe, the bent pipe is bent by 180 degrees, one end of the bent pipe is communicated with the exhaust vertical pipe, and the other end of the bent pipe is communicated with a straight pipe; fan blades are arranged in the straight pipe, a solar panel is installed on the top of the bent pipe, and the solar panel is connected with the fan blades through an electric wire. The problems that due to accumulation of water vapor in an existing roof heat preservation layer, a roof structure is damaged, dehumidification operation is inconvenient to operate, and cost is high are solved. Through the arrangement of the ventilation pipe connector, the horizontal ventilation groove pipe, the vertical pipe, the bent pipe, the straight pipe with the fan blades, the solar panel and the electric wire, it is ensured that water vapor in the heat preservation layer is effectively removed through the combined action of the parts.

The utility model discloses a rescue air cushion convenient to carry, including box, air bag pad and movable board, the inside of box is provided with the cavity, and the one side of box is provided with the notched of being linked with the cavity, and the upper and lower both ends of notched inboard all are through the pivot respectively installed with roll axle no.

The pot cover assembly comprises a cover body and an inner cover detachably fixed to the cover body, the inner cover comprises a cover plate and a sealing ring arranged on the periphery of the cover plate, the inner cover is provided with a first side and a second side, the cover plate protrudes towards the first side, and the sealing ring is arranged on the periphery of the cover plate. The sealing ring is provided with a first sealing lip located on the first side and a second sealing lip located on the second side, the inner cover has a first installation state in which the first side faces downwards and a second installation state in which the second side faces downwards, in the first installation state, the first sealing lip abuts against the pot body in a sealed mode, and in the second installation state, the second sealing lip abuts against the pot body in a sealed mode. The second sealing lip edge abuts against the pot body in a sealed mode. According to the electric cooker, the inner cover can be installed on the cover body in a positive posture and a negative posture, so that the volume of the cooking space is adjustable, a user can flexibly adjust the size of the cooking space according to different quantities of cooked food and different cooking food materials, and the pot overflowing phenomenon is effectively avoided while the heating efficiency is guaranteed.

The utility model discloses an energy storage container, and relates to the technical field of energy storage. The energy storage container comprises a container body, an air conditioning device and a first exhaust fan. The box body is provided with a containing cavity and a separator, the separator divides the containing cavity into a battery bin and an equipment bin, the battery bin comprises a first bin body and a second bin body, and the second bin body is communicated with the first bin body; the first bin body is provided with a first air inlet and a first air outlet, the first air outlet and the first air inlet are arranged at intervals in the height direction of the box body, and the air conditioning device is arranged on the outer wall of the first bin body and communicates with the first air inlet; the first exhaust fan is arranged at the first air outlet. According to the energy storage container provided by the invention, the heat dissipation effect of the battery compartment is effectively improved, so that the use performance of the battery cluster is improved, and the service life of the battery cluster is prolonged.

This application provides a battery cell and a battery pack, relating to the field of battery technology. The battery cell includes: a housing, an explosion-proof valve disposed within the housing, and an electrode assembly, a first insulating layer, an insulating film, and multiple support structures disposed within the housing. The first insulating layer is connected to the side of the electrode assembly near the explosion-proof valve. The insulating film encloses the electrode assembly and the first insulating layer. A first vent hole penetrating along a first direction is provided on the side of the insulating film near the explosion-proof valve. The first insulating layer, the first vent hole, and the explosion-proof valve are arranged opposite to each other along the first direction. Multiple support structures are located between the insulating film and the housing along the first direction, with adjacent support structures spaced apart. The support structures and the first vent hole are spaced apart along a second direction, and the explosion-proof valve and the support structures are spaced apart along the second direction. Based on the above structural design, the safety of the battery cell is improved.

The invention discloses a TC cavity automatic cleaning system, and relates to the technical field of semiconductor manufacturing, the TC cavity automatic cleaning system comprises a cavity, a vacuum hand disc is installed in the cavity, the automatic cleaning system further comprises a second air inlet branch pipe, the two ends of the bottom of the second air inlet branch pipe penetrate through the top of the cavity and extend into the cavity, and the second air inlet branch pipe is arranged in the cavity. The two ends of the bottom of the second air inlet branch pipe fixedly communicate with the same annular air inlet pipe, and the bottom of the annular air inlet pipe fixedly communicates with a plurality of first air spraying heads. According to the invention, through a simple structure, automatic cleaning in the cavity is realized, manual cavity opening is not needed, the downtime is obviously reduced, contamination particles of a vacuum hand disc are prevented from being adhered to a wafer to cause chip scrapping, the production continuity and efficiency are improved, the production cost is reduced, the production efficiency is improved, the production cost is reduced, and the production cost is reduced. The manual intervention requirement is reduced, precise cleaning is ensured through the adjusting assembly, pollutants are rapidly removed through the exhaust assembly, and cleaning parameters can be optimized through the valve.

The invention discloses an air path system for an air suspension and a vehicle. The air path system comprises an exhaust port, an air inlet and an air outlet, the main gas pipeline is provided with a connecting port connected with an air suspension; the air compression module is used for compressing air, and the air compression module is connected with the main gas pipeline so as to convey gas to the main gas pipeline; the first control valve is connected with the main gas pipeline, and the main gas pipeline can be communicated with the exhaust port through the first control valve in the exhaust state; the second control valve is connected with a main gas pipeline, a first throttling element is arranged between the second control valve and the exhaust port, the second control valve is connected with the first control valve, and the first control valve is configured in a way that when the second control valve is switched to enable the main gas pipeline to be communicated with the first throttling element, the first throttling element is switched to be communicated with the exhaust port; the first control valve can be driven to be switched to the exhaust state through gas of the second control valve. According to the air path system provided by the invention, the air spring not only can exhaust air through the first control valve, but also can exhaust air through the second control valve and the first throttling element, so that the exhaust residual pressure in the air spring is effectively reduced.

The invention discloses a back pressure controllable type automobile air conditioner compressor static scroll plate forging die which is characterized in that a forming upper die and an upper die core are connected in a hot pressing fit manner to form an upper die whole body; the lower die part comprises a forming female die, a female die sleeve, a female die prestress ring and a female die outer ring which are sequentially connected in a hot-press fit mode, and the problem of forging surface quality defects caused by unsmooth exhaust can be solved through a modular structure. The back pressure mechanism pushes the piston through the hydraulic system, back pressure is transmitted to the back pressure body through the push rod, the hydraulic system can adjust proper back pressure according to the size of the forge piece, and forge piece forming is more reliable. According to the invention, a hydraulic system is innovatively introduced, so that the back pressure has adjustable capability, the scroll plate forge piece has good contour in the axial profile, and the dimensional precision is obviously improved; and meanwhile, a modular design is adopted, so that each part is convenient to disassemble, assemble and replace, the maintenance cost is effectively reduced, and the improvement of the production efficiency and the optimization of the production cost are realized.

This utility model relates to the field of valve technology, and in particular to a two-way valve and an explosion-proof valve. The two-way valve provided by this utility model includes a housing and a fixed base forming an air exchange channel, and a first movable member and a second movable member. At least a portion of the first movable member passes through the second movable member and extends into the fixed base. The first movable member is axially movable relative to the second movable member and the fixed base. When the first movable member moves in a first direction, the air outlet channel communicates with a first gap. When the first movable member pushes the second movable member to move in a second direction, the air inlet channel communicates with the first gap. The movement of the first movable member within the air exchange channel forms separate air outlet and air inlet channels, precisely controlling the airflow direction, avoiding turbulence and backflow, improving exhaust efficiency, and adapting to airflow pressure requirements in different directions.

This utility model relates to the field of die-casting molds, and more particularly to a special wave-shaped centralized venting structure for die-casting molds. It includes an upper cavity punching mold, a lower cavity punching mold, and a mold cavity. It includes a special wave-shaped venting groove. The lower cavity punching mold has an annular block with a height higher than the outer ring around its perimeter. The annular block has multiple first venting channels, which bend downwards along the edge steps of the annular block and extend to the outer ring. The ends of the first venting channels connect to the special wave-shaped venting groove. The cross-section of the special wave-shaped venting groove is wave-shaped, and the inner contour line of the groove is serrated. The special block is inserted into the special wave-shaped venting groove to form a wave-shaped venting structure. This device uses a special wave-shaped venting groove with the same width as existing venting grooves, but improves the thickness by making it wave-shaped, thereby indirectly increasing the width of the venting groove and accelerating the venting efficiency.

The utility model relates to the technical field of smoke bullet, and disclose a smoke bullet, smoke bullet silica gel child lock and smoke bullet oil injection exhaust device, including bottom cover, the bottom cover is fixedly connected with oil absorption cotton in, the bottom cover inlays has the oil storehouse sealing silica gel, the oil absorption cotton is located between bottom cover and oil storehouse sealing silica gel, through the child lock silica gel and the exhaust groove design, compared with the cross groove gap natural exhaust mode, the exhaust groove specially designed provides independent and unobstructed discharge path for the gas in the smoke bullet, in the oil injection process, the tobacco tar enters the tobacco tar storehouse under the action of oil injection pressure, the internal gas can be through the exhaust groove fast, directional discharge, avoid the gas accumulation in the storehouse and form high pressure, the above structured exhaust design can accurately match the oil injection rate, ensure that the gas discharge and tobacco tar injection are synchronous, eliminate the tobacco tar extrusion into the atomizing core problem caused by the poor exhaust from the root, make the oil injection process more stable, controllable.

The invention discloses a method for continuously pumping concrete in an arch rib of a tied arch bridge, which comprises the following steps of: prefabricating and assembling a steel pipe arch rib component and a transverse connecting system component thereof, and respectively performing trepanning and exhaust pipe welding on a top middle arch rib section and non-embedded arch rib sections on two sides according to a preset number and specific positions of exhaust holes; constructing a main body structure of the steel tube arch bridge, arranging arch rib supports matched with the tied arch bridge in radian on the tie beams, erecting the arch rib sections on the corresponding arch rib supports section by section, and welding the arch rib sections into a whole section by section; a concrete jacking system is arranged at the corresponding position of each pre-buried arch rib section; all the ground pumps are controlled to conduct jacking at the same time, the discharging condition of concrete from all the exhaust holes is observed, and if the concrete character is similar to that of concrete at a jacking inlet, the exhaust holes of the section are closed; and after the concrete reaches the highest exhaust hole, when the character of the concrete is consistent with that of the injected concrete, jacking operation is stopped, and continuous pumping operation of the concrete in the steel pipe arch rib of the tied-arch bridge is achieved.

This utility model relates to the field of automotive valve technology, and in particular to a fuel tank tipping valve diversion design mechanism, including a valve body, a connecting flange on the valve body, an air inlet on the upper end face of the valve body, an air inlet pipe on the connecting flange communicating with the air inlet, and a through hole on the valve body communicating with the fuel tank. The valve body includes a first valve chamber and a second valve chamber, which are connected by a connecting hole. A valve core assembly is slidably disposed in the second valve chamber. A connector is disposed in the first valve chamber, and a sealing element is slidably disposed below the connector in the first valve chamber. An exhaust channel is provided on the connector extending to one side from its center. The sealing element can open and close the exhaust channel. An exhaust groove is provided in the middle of the connector, and the exhaust groove communicates with the air inlet. An exhaust pipe is provided on the connecting flange communicating with the exhaust channel. The beneficial effects of this utility model are: providing an air inlet to realize the functions of fuel pump supply and air intake, and fuel tank refueling and exhaust, thus providing a fuel tank tipping valve diversion design mechanism.

The utility model provides a disc-shaped insertion pipe type noise reduction assembly and a compressor. The disc-shaped insertion pipe type noise reduction assembly comprises a noise reduction disc, a plurality of noise reduction pipes and an exhaust pipe. The silencing disc is provided with an air inlet side and an air outlet side which are opposite, the silencing pipes extend from the air inlet side to the air outlet side, and the exhaust pipe is arranged on the air outlet side and wraps the silencing pipes. The exhaust pipe is directly used for wrapping the silencing pipe on the air outlet side, the design is simpler and more compact, the space is saved, and the exhaust efficiency is improved. By reasonably arranging the positions of the exhaust pipe and the noise reduction disc, more efficient noise reduction is achieved, the combined structure of the exhaust pipe and the noise reduction disc is simple, maintenance and replacement are easier, and the maintenance cost is reduced.

The utility model provides a compressor cylinder cover and a compressor. In order to solve the problem that an exhaust cavity of an existing compressor cylinder cover is insufficient in strength and prone to damage, a first supporting arm and a second supporting arm are arranged in the exhaust cavity of the cylinder cover, connection between a boss on the inner wall of the exhaust cavity and a U-shaped groove is established, reinforcing ribs are additionally arranged, the U-shaped groove is supported from three positions, the strength of the U-shaped groove is improved, and the strength of the U-shaped groove is improved. And the damage to the U-shaped groove during exhaust impact is reduced.

The embodiment of the utility model provides a battery device, an energy storage device and a power utilization device. The battery device comprises a box body assembly, a battery monomer assembly and a pressure relief mechanism, and a first accommodating cavity and an exhaust structure are formed in the box body assembly. The battery monomer assembly is mounted in the first accommodating cavity; the pressure relief mechanism is arranged on the box body assembly. An exhaust channel is formed in the box body assembly, the pressure relief mechanism is communicated with the exhaust channel, the first containing cavity is communicated with the exhaust channel through the exhaust structure, and the exhaust channel at least comprises a bent section. The battery device provided by the embodiment of the utility model is beneficial to reducing the condition that other parts in the battery device are damaged by high-temperature fluid. Besides, the exhaust passage at least comprises one bent section, so that the length of the exhaust passage is increased, high-temperature fluid generated by thermal runaway of the battery device can be cooled, namely, the temperature of the fluid exhausted by the exhaust passage can be reduced, and the battery device is more convenient to use. And the condition of open fire caused by combustion after the fluid exhausted through the exhaust channel is in contact with oxygen is reduced.

This invention provides a single crystal furnace, comprising: a flow guiding component, which is vertically and vertically disposed; a heat insulation component, which is sleeved outside the flow guiding component; a crucible component, which is located inside the heat insulation component and is rotatably and / or vertically disposed below the flow guiding component; and an exhaust channel, wherein a first part of the exhaust channel is located on the flow guiding component, a second part of the exhaust channel is located on the heat insulation component, the inlet of the exhaust channel is located at the lower end of the flow guiding component and faces the interior of the crucible component, and the outlet of the exhaust channel is located on the heat insulation component and faces the exterior of the crucible component; wherein, when the upper end of the flow guiding component moves to overlap with the upper end of the heat insulation component, the first part and the second part of the exhaust channel are connected; when the upper end of the flow guiding component moves to separate from the upper end of the heat insulation component, the first part and the second part of the exhaust channel are disconnected, thereby solving the problem of low exhaust efficiency in the crucible of the existing single crystal furnace.

This utility model discloses a waterproof and dustproof high-pressure safety valve for gas, including a housing, a guide seat, a valve, a filter assembly, and a valve seat. The housing has an inlet at its lower end and an outlet along its circumference. This structure adopts a bottom-in, side-out approach, with multiple outlets to improve exhaust efficiency. The guide seat and valve are located inside the housing, with the guide seat slidably connected to the inner wall of the housing. The valve seat is located at the lower end of the housing, with the upper end of the valve corresponding to the lower end of the guide seat. The valve and valve seat slide in contact, and the lower end of the valve corresponds to the flow channel of the valve seat. An exhaust chamber is located inside the housing, connected to the outlet along the circumference of the housing. An elastic sealing ring is provided on the inner wall of the exhaust chamber. Through optimized structural design and sealing performance, this valve solves the problems of leakage and jamming that may occur with traditional safety valves in special environments, improving safety and service life, and providing a guarantee for the long-term stable operation of industrial equipment.

This utility model relates to a control box and mattress capable of uniformly venting air. Existing airbags vent air naturally through the pressure difference with the external space, resulting in significant variations in flow rate. This utility model includes a housing, an air pump, and a main control unit. The air pump has an air intake port and an air inflation port. A secondary control unit is located between the main control unit and the air pump. The secondary control unit includes an air intake adjustment component and an air inflation adjustment component. The air intake port can be connected to the main control unit through the air intake adjustment component, and the air inflation port can be connected to the external space through the air inflation adjustment component. This allows the gas in the target space to be uniformly vented after passing through the air intake adjustment component and the air inflation adjustment component sequentially under the drive of the air pump. The secondary control unit is used to change the airflow direction, enabling the air pump to independently perform inflation and deflation operations on each target space. This effectively increases the airflow in the later stages of deflation, utilizing the power of the air pump to improve deflation efficiency and effect, while also effectively reducing the airflow in the early stages of deflation, lowering noise, and improving the user experience.

The utility model relates to a low-temperature storage tank ventilation system which comprises a low-temperature storage tank, a first fan, a second fan and an air guide assembly, the low-temperature storage tank comprises an outer shell, an inner shell and an interlayer area, the outer shell and the inner shell are arranged in a spaced mode, the interlayer area is formed between the outer shell and the inner shell, and a storage cavity is defined by the inner shell and communicated with the interlayer area. The low-temperature storage tank is provided with an air inlet channel communicated with the storage cavity and an air outlet channel communicated with the storage cavity, the first fan used for supplying air into the storage cavity is arranged at the air inlet channel, and the second fan used for exhausting air out of the low-temperature storage tank is arranged at the air outlet channel. The air guide assembly is arranged in the interlayer area, air is guided through the air guide assembly working at the interlayer of the narrow and small space, air channel obstruction in the narrow and small space is reduced, the first draught fan and the second draught fan are matched with each other in a one-feeding and one-discharging mode, the air exhaust efficiency is improved, and air circulation in the storage tank is promoted.

The utility model relates to the technical field of gas discharging devices, in particular to a laboratory gas discharging device which comprises a laboratory, a protection frame is arranged at the top of the laboratory, an exhaust cylinder is arranged at the top of the protection frame, an air extracting pump is fixedly connected to the inner top wall of the protection frame, and the exhaust cylinder is fixedly connected to the inner top wall of the protection frame. An air inlet of the sucking pump is in threaded connection with an air inlet frame, the outer surface of the air inlet frame is connected with the inner wall of the protection frame in an embedded mode, filter screens are arranged on the inner walls of the protection frame and the exhaust cylinder, and the dust screens are arranged on the outer surfaces of the protection frame and the exhaust cylinder. The air pump, the protection frame, the exhaust cylinder, the filter screen and the dustproof net are arranged, the exhaust effect is guaranteed, the exhaust efficiency is extremely high, application and popularization are facilitated, in addition, the button, the connecting plate, the clamping block, the groove and the second purification plate are arranged, an activated carbon filter element is convenient to replace, and the adsorption purification function of the second purification plate is guaranteed.

The present application provides a chest drainage tube and a chest drainage system with the chest drainage tube, comprising a collecting tube and a discharge tube integrally extended from the collecting tube, wherein at least a first drainage channel and at least a second drainage channel are formed in the collecting tube, the first drainage channel is used for draining liquid in the chest cavity, and the second drainage channel is used for draining gas in the chest cavity; a discharge channel is formed in the discharge tube, the discharge channel is communicated with the first drainage channel and the second drainage channel, so as to discharge the liquid and / or the gas entering through the first drainage channel and the second drainage channel to the outside of the body; the collecting tube comprises a closed section and an open section, the open section is integrally extended from one end of the closed section, and the closed section is located between the discharge tube and the open section; the first drainage channel and the second drainage channel located in the closed section are closed channel structures, and the first drainage channel and the second drainage channel located in the open section are open channel structures, so that the medium in the chest cavity enters the corresponding drainage channel through the open section.

The utility model discloses an air-cooled cylinder head, which comprises a cylinder head main body, the cylinder head main body is provided with an air inlet channel and an exhaust channel, and the air-cooled cylinder head is characterized in that a transverse air channel and a vertical air channel which penetrate through the cylinder head main body are arranged on the cylinder head main body, and the transverse air channel and the vertical air channel are of a cross-shaped structure. The cylinder head has the beneficial effects that the air inlet and exhaust efficiency of the cylinder head is improved, and air inlet and exhaust of the cylinder head are prevented from being blocked. Meanwhile, heat dissipation is conducted on all parts of the cylinder head from different directions, the heat dissipation area of the cylinder head is enlarged, the heat dissipation effect is improved, and the heat dissipation efficiency is improved.

The application provides a battery monomer and a battery, the battery monomer comprising: a shell, an electrode assembly and a cover plate assembly; the cover plate assembly comprising a cover plate body and a lower insulating piece, the cover plate body being provided with an electrode terminal and an explosion-proof valve which are spaced apart along a first direction; the lower insulating piece comprising an insulating body, a bottom surface of the insulating body being formed with a first protrusion which is protruding, the first protrusion being formed with a gas flow sub-channel which penetrates along the first direction, the insulating body being formed with a ventilation opening which corresponds to the explosion-proof valve, the insulating body and the electrode body defining a gas flow space, the gas flow sub-channel, the gas flow space and the ventilation opening being sequentially communicated to form a gas flow channel; an adapter being arranged in the gas flow space, a bottom surface of the adapter being provided with a protruding structure which protrudes towards the electrode assembly. The battery monomer and the battery provided by the application can ensure that the gas can smoothly pass through the gas flow channel and be discharged from the battery monomer in time and quickly.

The invention relates to the technical field of ovens, in particular to an exhaust pipeline of an oven and the oven, and aims to solve the problem that an existing oven is poor in heat dissipation effect. In order to achieve the purpose, the exhaust pipeline of the oven comprises a reducing pipe section, and the sectional area of the reducing pipe section is gradually reduced in the direction from the air inlet end to the exhaust end. On the basis of the fluid mechanics principle, a variable-diameter pipe section is designed in an exhaust pipeline, the sectional area of the variable-diameter pipe section is gradually reduced in the direction from the air inlet end to the exhaust end, a gradually-shrunk channel can be formed through the design, airflow acceleration is promoted, and the negative pressure effect is improved. When the sectional area is reduced, the flow speed is increased, so that the hot air flow in the pipeline can be discharged out of the exhaust pipeline more quickly, and the exhaust efficiency is improved.

This invention relates to the field of 3D printing technology, and provides a venting insert, a mold, a mold system, and a method for 3D printing the venting insert. The venting insert includes: an insert body, which is at least made of permeable steel and is suitable for placement within the cavity of the mold. The insert body has a composite layer structure, comprising at least a first layer of permeable steel and a second layer of permeable steel. The first layer of permeable steel is laid on top of the second layer of permeable steel, and venting passages are formed at least in the first layer of permeable steel. The venting passages in the first layer of permeable steel provide unidirectional ventilation, facilitating the smooth removal of gas from the venting insert through the unidirectional holes and preventing defects on the product surface caused by the venting holes. Simultaneously, the venting passages in the first layer of permeable steel achieve multidirectional venting, allowing gas discharged through the unidirectional holes in the first layer of permeable steel to also be smoothly vented through the multidirectional holes in the second layer of permeable steel.

The application relates to the technical field of batteries, in particular to a battery insulation component, a battery cover plate assembly and a battery. The battery insulation component is formed with a liquid injection groove which protrudes along a first preset direction and towards the side of a pole group, a side wall of the liquid injection groove along a second preset direction is formed with a plurality of layers of auxiliary flow-through notches, the plurality of layers of auxiliary flow-through notches are sequentially arranged along the first preset direction, each layer of the auxiliary flow-through notches comprises at least one auxiliary flow-through notch, and any auxiliary flow-through notch is in communication with the inside and outside of the liquid injection groove. It can be seen that the auxiliary flow-through notches are arranged on the side wall of the liquid injection groove, electrolyte no longer directly hits the battery pole group during the liquid injection process, thereby avoiding damage to the battery pole group, and the plurality of layers of auxiliary flow-through notches also help to improve the exhaust efficiency of a formation process.

The invention discloses a modular flue convenient to mount, and relates to the technical field of flue mounting design, in particular to a modular flue convenient to mount, which comprises a flue pipe body, a partition plate is fixedly mounted in the flue pipe body, and a limiting frame is mounted at the upper end of the flue pipe body. An extension pipe is slidably mounted at the upper end of the limiting frame, a top sealing cover is mounted at the upper end of the extension pipe, and a rotating blade is rotatably mounted at the upper end of the top sealing cover. According to the modular flue convenient to install, limiting frames are additionally arranged between floors needing to be installed, so that flue pipe bodies are conveniently installed and limited under the cooperation of limiting clamping plates and cement mortar, then the bottom of the lowermost flue pipe body is sealed, and then an upper extending pipe, a top sealing cover, a rotating blade and other structures are installed above the uppermost limiting frame; and the device can be quickly mounted in a prefabrication mode during use, so that the construction period is shortened, and the use efficiency of the device is improved.

The invention discloses an exhaust control method and device for a public flue and electronic equipment. The method comprises the steps that the power measured value and the exhaust air rate measured value of a range hood of each floor in the public flue are obtained; establishing a causal effect model between the range hood power and the exhaust air rate according to the measured value of the range hood power and the measured value of the exhaust air rate; determining a to-be-optimized range hood associated with the target floor according to the causal effect model; and establishing an exhaust air rate optimization model based on the number of the to-be-optimized range hoods, and determining target power of the to-be-optimized range hoods according to the exhaust air rate optimization model. According to the method, the causal relationship between the range hood power of each floor and the exhaust air rate of the specific floor is analyzed through modeling, the range hood power is directionally controlled, the exhaust efficiency is optimized, energy waste is reduced, and the living comfort of the high-rise building is improved.