30results about How to "Increase exhaust" patented technology

The invention provides a double-cylinder air compressor, and belongs to the technical field of air compressors. The technical problem that an existing double-cylinder air compressor is large in noise is solved. The device comprises a crankcase, a driving motor is fixedly connected to the crankcase, the driving motor comprises a motor shaft, one end of the motor shaft extends into the crankcase, air cylinders are fixedly arranged on the two sides, perpendicular to the driving motor, of the crankcase respectively, and two connecting rods are fixedly connected to the motor shaft in a rotating mode. The ends, away from the motor shaft, of the two connecting rods are fixedly connected with pistons respectively, the two pistons are located in air cylinders respectively, the air cylinders are communicated with corresponding air outlet holes, the crankcase is communicated with an air inlet hole, and the air inlet hole can be communicated with the two air cylinders at the same time. The noise reduction device has a better noise reduction function.

The utility model discloses a regulating valve and cooking utensil, the regulating valve includes valve body and valve seat, the valve seat is equipped with the air inlet hole, at least part of valve body is located in the valve seat, the valve body is equipped with the first air outlet hole and the second air outlet hole of interval arrangement, the regulating valve still includes the supplementary airflow channel, the first air outlet hole is linked together with the air inlet hole, and the second air outlet hole is linked together with the air inlet hole through the supplementary airflow channel. The regulating valve of utility model embodiment is good in spill-proof effect, and high in safety.

This utility model relates to the field of cabinet technology and discloses a cabinet door with a ventilation function. The cabinet door includes a cabinet body on its rear side and a handle on its front side. A ventilation box is installed at the top of the cabinet body. A push plate is movably fitted inside the ventilation box. An air cylinder piston is connected to the rear side of the push plate, and a spring is connected to the front side of the air cylinder piston. The front end of the spring is connected to the front side of the ventilation box's inner cavity. An air blowing pipe is connected to the rear side of the bottom of the ventilation box, and an exhaust port is opened on the front side of the air blowing pipe. This cabinet door with a ventilation function, with its push plate, air cylinder piston, spring, air blowing pipe, and exhaust port on the rear side, allows the push plate to move backward when the cabinet door closes the front side of the cabinet body. This moves the air cylinder piston, causing the air in the ventilation box to be blown out from the front side of the cabinet body through the air blowing pipe and exhaust port, facilitating the ventilation of the cabinet body and reducing humidity and odors.

The invention relates to the field of evaporators, in particular to an evaporator assembly of a marine air conditioner, which comprises a frame body and a snakelike calandria, and the snakelike calandria is arranged in the frame body and is used for enabling a refrigerant in the calandria to absorb heat and evaporate, taking away heat of surrounding air and water and realizing refrigeration and cooling; the liquid inlet pipe is arranged at the input end of the snakelike calandria and used for conveying a refrigerant into the snakelike calandria and providing a medium for refrigeration heat exchange; the embedded piece is arranged on the outer side of the snakelike calandria and used for positioning the fins and transmitting heat between the snakelike calandria and the fins at the same time; the fins are connected to the embedded pieces in a clamped mode and used for increasing the heat exchange area of the snakelike calandria, accelerating transfer of heat in air to the cooling calandria and improving the overall refrigeration efficiency, the evaporator assembly of the marine air conditioner can automatically trigger the impurity clearing and scraping action before the fins are disassembled, residual impurities on the top of an inner cavity of equipment are cleared away, and the overall refrigeration efficiency is improved. And the problem that the fins are stuck due to friction of impurities during disassembly is effectively avoided.

The utility model discloses an exhaust pipe structure which comprises an exhaust pipe body, the exhaust pipe body comprises a flared straight pipe and a connecting straight pipe which are connected with each other, the connecting straight pipe passes through an exhaust hole of a compressor and is arranged in a shell of the compressor, the flared straight pipe is arranged on the outer side of the shell of the compressor, and the inner diameter of the flared straight pipe is larger than that of the connecting straight pipe. The exhaust pipe structures with the diameters from small to large are formed through two types, the gas displacement is improved, the pipe body connected with the compressor is kept to be a straight pipe, and stable connection of the exhaust pipe structures and the compressor is guaranteed.

The utility model belongs to the technical field of epitaxial furnaces, and particularly relates to an improved gas collecting ring of an LED epitaxial furnace, which comprises a gas collecting ring body, a plurality of first exhaust holes and second exhaust holes are arranged on the gas collecting ring body in a surrounding manner, the first exhaust holes and the second exhaust holes are arranged at equal intervals, and the gas collecting ring body comprises a base layer. The two sides of the base layer are fixedly connected with anti-folding layers, the sides, away from the base layer, of the anti-folding layers are fixedly connected with high-temperature-resistant layers, and the sides, away from the anti-folding layers, of the high-temperature-resistant layers are fixedly connected with wear-resistant layers. Through the arrangement of the first exhaust holes and the second exhaust holes, the gas displacement of the gas collecting ring can be effectively improved, so that the gas collecting ring can exhaust gas timely and quickly, and the using effect of the gas collecting ring is effectively improved.

The energy storage cabinet air conditioning unit comprises a shell, a direct cooling plate, a compressor, a heat exchanger, a flash evaporator, a four-way valve, an electric control box and a cooling fan, the compressor, the four-way valve, the direct cooling plate, the flash evaporator and the heat exchanger are arranged in the shell, and the compressor, the four-way valve, the direct cooling plate, the flash evaporator and the heat exchanger are sequentially connected through a refrigerant pipeline to form a refrigerant circulation loop; one end of a refrigerant pipeline section A between the direct cooling plate and the flash evaporator is connected with a refrigerant flow channel outlet of the direct cooling plate, the other end of the refrigerant pipeline section A is connected with a gas-liquid two-phase refrigerant inlet of the flash evaporator, and a first throttling valve is arranged on the refrigerant pipeline section A; one end of a refrigerant pipeline section B between the flash evaporator and the heat exchanger is connected with a liquid refrigerant outlet of the flash evaporator, the other end of the refrigerant pipeline section B is connected with a liquid refrigerant inlet of the heat exchanger, and a second throttle valve is arranged on the refrigerant pipeline section B; and a steam refrigerant outlet of the flash evaporator is connected with an air supply port of the compressor. The structure is compact, the flash evaporator achieves the enthalpy increasing effect, and therefore the gas displacement of the compressor is improved, and the purpose of improving the heating capacity in the low-temperature environment is achieved.

The invention discloses a nuclear power primary loop static exhaust method and system. The nuclear power primary loop static exhaust method comprises the following steps: S1, remotely opening a first isolation valve and a second isolation valve on a communicating pipeline between a top isolation valve of a reactor pressure vessel and a nuclear island exhaust and drainage system; s2, opening a top isolating valve of the reactor pressure vessel and a primary loop exhaust isolating valve on the communicating pipeline on site, and then slowly opening a primary loop dynamic exhaust regulating valve on the communicating pipeline to exhaust with throttling sound; and S3, continuous water flow is discharged from the primary loop dynamic exhaust regulating valve, and the primary loop dynamic exhaust regulating valve is closed after no bubble exists in the water flow. According to the static exhaust method for the nuclear power primary loop, non-condensed gas of the nuclear power primary loop is effectively exhausted, and the gas content requirement is met; the device is suitable for static exhaust of a 27bar. G high-pressure platform, and the exhaust effect is good; the overhaul period is greatly shortened, and the economic benefit of the power station is improved.

The utility model discloses waterfowl shell compression molding equipment, and particularly relates to the technical field of waterfowl shell molding equipment.The waterfowl shell compression molding equipment comprises a main frame, a compression assembly, a mold assembly and a controller, the main frame comprises a top frame, a bottom frame and two side plates, and two first positioning clamping plates are installed on the bottom face of the top frame in a sliding mode; two second positioning clamping plates are installed on the top face of the bottom frame in a sliding mode, the pressing assembly comprises two arc-shaped pressing plates, a plurality of air cylinders are evenly arranged on the two side plates correspondingly, and the telescopic ends of the air cylinders are fixedly connected with the two arc-shaped pressing plates correspondingly; a plurality of electric heating bars and a temperature detector are arranged in each arc-shaped pressing plate in a penetrating mode, the opposite surfaces of the two arc-shaped pressing plates are matched with the outer wall of the mold assembly, and an injection port and an exhaust port are formed in the top of the mold assembly. According to the utility model, the die is vertically placed, so that the good exhaust effect can be ensured, the product quality is improved, and the density of the pressed waterfowl shell is relatively uniform.

The invention discloses an adhesive composition, an optical transparent adhesive tape and a preparation method and application thereof, and belongs to the technical field of adhesives. The adhesive composition is prepared from the following raw materials: an acrylate monomer, an epoxy acrylic acid oligomer, a styrene acrylic acid oligomer and a photoinitiator, the glass transition temperature of the epoxy acrylic acid oligomer is 110 to 150 DEG C, and the average molecular weight of the epoxy acrylic acid oligomer is 2000 to 4000; the glass transition temperature of the styrene acrylic acid oligomer is-50 to-70 DEG C, and the average molecular weight of the styrene acrylic acid oligomer is 10000 to 20000. According to the optical transparent adhesive tape, the low-molecular-weight and high-Tg epoxy acrylic oligomer and the high-molecular-weight and low-Tg styrene acrylic oligomer are compounded for use and are matched with the acrylate monomer, so that the optical transparent adhesive tape with high storage modulus, high adhesive property and good exhaust property can be provided, a cover plate can be effectively bonded, and the reliability of the cover plate is improved.

This utility model belongs to the field of clutch repair technology, specifically relating to a rapid clutch bleed device, including a reservoir. The upper end of the reservoir is fixedly connected to a cover plate via screw holes and bolts. The cover plate is fixedly connected to the bottom end of a mounting box, and an oil pump is fixedly installed inside the mounting box. The oil pump of this utility model draws clutch brake fluid from the reservoir, allowing it to be delivered to the clutch booster via an oil outlet pipe and a conversion connector. From there, it is reversed through the clutch oil circuit system to the clutch cylinder, and then transferred to the clutch reservoir. Utilizing the principle of upward air movement, under the pressure of the clutch brake fluid, all air in the clutch booster, clutch cylinder, and clutch oil circuit is bleeded into the clutch reservoir. This allows for rapid clutch bleed operation, ensuring good bleed effect, thereby significantly reducing bleed time and improving clutch repair efficiency.

The utility model discloses a safety testing device for an intelligent terminal of a gas meter, which comprises a safety testing device, and the top of the safety testing device is communicated with a detection joint. According to the utility model, the detection joint is moved to the periphery of the safety test device, then a user starts the control assembly, rotates the sealing plate, enables the opening and the rectangular groove to be ventilated, then the user starts the fan, the fan blows air to the top, the air force extrudes the convex block, the convex block moves upwards, and the ventilation opening is opened. Meanwhile, the bottom of the fan conducts air draft, air around the safety testing device is absorbed into the sealing pipe, meanwhile, the control assembly is closed, the bottom of the sealing pipe is sealed, meanwhile, the fan is closed, wind power at the bottom of the protruding block disappears, the spring rebounds to reset the protruding block, and then the air in the sealing pipe is detected through the safety testing device; and the safety test device achieves the effect of facilitating accurate detection.

The utility model discloses an oil -free air compressor, including compression cylinder body, drive shaft, drive mechanism and compression mechanism, wherein, a plurality of parallel primary compression cavity are equipped in the compression cylinder body, the compression mechanism includes a plurality of first compression mechanism, a plurality of first compression mechanism with a plurality of primary compression cavity one -to -one corresponds, a plurality of first compression mechanism is used for to a plurality of primary compression cavity in the air compression simultaneously, through setting a plurality of primary compression cavity, has improved the first stage's air -intake capacity and compression processing capacity, can effectively disperse compression load and reduce compression temperature, simultaneously, a plurality of primary compression cavity parallel can effectively promote the stability of the later stage compression to make the oil -free air compressor complete unit's exhaust capacity, energy efficiency, operation stability and system reliability all get the promotion, help to prolong the service life of equipment and reduce operating cost.

This invention relates to the field of air conditioning technology, specifically to a fresh air module and a fresh air air conditioner. The fresh air module includes a fan, a first chamber, and a second chamber. The first chamber is connected to the air inlet of the fan, and the second chamber is connected to the air outlet of the fan. The first chamber has a fresh air inlet and a first stale air inlet, and the second chamber has a fresh air outlet and a stale air outlet. Both the fresh air outlet and the first stale air inlet are connected to the interior, and both the fresh air inlet and the stale air outlet are connected to the exterior. A second stale air inlet is located on the side wall of the fresh air outlet and is connected to the first chamber. Valves are provided at the inner end of the fresh air outlet, the fresh air inlet, the first stale air inlet, the stale air outlet, and the second stale air inlet. The fresh air module and fresh air air conditioner provided by this invention have high extraction efficiency, fast indoor air renewal speed, excellent exhaust effect, reasonable structural space utilization, and are more aesthetically pleasing.

The utility model relates to the technical field of road traffic, in particular to a road traffic isolation device which comprises an installation base, an installation pile frame is fixedly installed in the center of the top end face of the installation base, and assembly supports are fixedly installed at the top and the bottom of one end of the installation pile frame. A guardrail baffle is arranged outside the other end of the mounting pile frame, a mounting vertical rod is arranged in the center of one end of the mounting pile frame, and an indication board is arranged at the other end of the exterior of the mounting vertical rod; a mounting assembly is arranged outside the mounting vertical rod; the mounting assembly comprises a structural back frame, and the structural back frame is arranged at the other end of the exterior of the mounting vertical rod; the road traffic isolation device is simple in structure and diversified in function; during use, the guardrail baffle can be well supported stably, and the overall structural strength is effectively improved; and meanwhile, the connection tightness between the indication board and the vertical rod can be improved, and the situation of falling off is avoided.

This invention discloses a precise differential pressure control system and method for clean areas in pharmaceutical production workshops, including a supply fan, an exhaust fan, a return air volume detection device, an air volume control valve, a differential pressure gauge, a gas flow meter, an angle sensor, and a monitoring module. The monitoring module stores a preset pressure range and a preset adjustment time for each clean area. When the monitoring module detects that the actual pressure value of the clean area is outside the preset pressure range, it generates a corresponding control command based on the magnitude of the deviation and the preset adjustment time. The control module receives the control command and adjusts the speed of the exhaust fan and the opening of the air volume control valve accordingly. This invention achieves intelligent adjustment of clean room pressure by controlling the air volume of the clean room through the monitoring module. Furthermore, the monitoring module can intelligently adjust the speed of the exhaust fan according to the actual pressure, thereby achieving rapid adjustment of the negative pressure clean room pressure.

The invention discloses a casting process design method for reducing the sand-iron ratio of sand mold casting. The casting process design method comprises the following steps that S1, the shrinkage rate, the machining allowance and the correction amount of a casting are designed; s2, a pouring position is planned; s3, designing a riser feeding system; s4, designing a pouring system; s5, the sand thickness is designed; s6, designing a 3D sand mold; s7, format conversion; s8, a sand mold is printed; s9, sand mold post-treatment and casting operation; s10, mold closing and casting; and S11, sand cleaning and cutting are conducted. The process design method has the advantages that the whole casting production process has high repeatability and controllability on the basis of accurate parameter design and a digital 3D modeling and printing technology, compared with a traditional process, various parameters and operation steps in the production process are more standard and standardized, quality monitoring is facilitated, and the production efficiency is improved. And the product quality stability is effectively improved.

The present application belongs to the technical field of lithium battery, especially to a method for testing electronic conductivity of solid electrolyte. The steps of the present application are as follows: S1, preparing solid electrolyte sheet: taking solid battery material and placing it in a mold, then pressurizing and pressure maintaining the mold, obtaining the solid electrolyte sheet and measuring its thickness and bottom diameter; S2, conductivity test: pretreating the solid electrolyte sheet, then using a constant potential instrument to measure the direct current polarization of the solid electrolyte sheet under step voltage of 0.1 V, 0.2 V, 0.3 V, 0.4 V and 0.5 V, respectively, to obtain current data under constant voltage polarization; S3, data processing: drawing the direct current polarization curve and the equilibrium current response curve under step voltage by using the obtained current data, and calculating the electronic conductivity of the solid electrolyte sheet. The method of the present application is simple in testing, short in testing time and reliable in data.

The application discloses a bubble-removing and exhausting mechanism of an injection mold, and relates to the technical field of mold exhaust, which comprises a mold body, a pair of exhaust channels, and a cooling box. The mold body is firmly installed on an injection table. The pair of exhaust channels are provided through the bottom region of the mold body. The cooling box is installed on the injection table and is located below the mold body. Two independent cooling cavities are formed in the cooling box. A cooling assembly is fixedly installed in each cooling cavity. The application adopts a two-channel exhaust design controlled in stages, realizes flexible switching between single-cooling assembly operation and double-cooling assembly operation at the same time, meets the processing demand of a small amount of gas in the initial injection stage, can greatly improve the exhaust capacity by simultaneously opening the two channels in the late injection stage, avoids long-time overheating of a single component, and thus guarantees the continuous operation efficiency of the device as a whole and the service life of the cooling assembly.

The semiconductor device includes a channel layer, a barrier layer on the channel layer and including a material having an energy band gap different from an energy band gap of the channel layer, a gate electrode layer on the barrier layer and extending in a first direction, a gate semiconductor layer disposed between the barrier layer and the gate electrode layer, and a source electrode and a drain electrode connected to the channel layer and spaced apart from the gate electrode layer in a second direction different from the first direction, wherein the gate semiconductor layer includes a gate semiconductor material layer disposed on the barrier layer, and an oxide layer disposed between the gate semiconductor material layer and the gate electrode layer.

The invention is suitable for the technical field of engines, and provides a generator air duct heat dissipation structure of a double-cylinder engine series. Comprising a base, an engine body is installed at one end of the base, a motor is installed on the side, located on the engine body, of the base, a double-blade fan is installed between the engine body and the motor, and a silencer bin is installed at the top end of the motor and the top end of the double-blade fan; a double-blade fan is installed between an engine body and a motor, the double-blade fan exhausts air in two directions, the motor on one side and the crankcase cover side of the engine are cooled at the same time, and hot air in a generator case is absorbed; the two sets of partition plates are arranged in the cavity of the silencer bin, the air channels are separated through the partition plates on the two sides, air flows between the air channels do not interfere with each other, the air flows are guided to the same flow direction and then converged, optimization of the air channels is achieved, the heat dissipation condition in the case is improved, the overall temperature is reduced, and the working stability of the generator is kept.

The differential pressure type flowmeter comprises a throttling element, a pressure tapping part, measuring pipes and mounting parts, the measuring pipes are arranged at the mounting parts at the two ends of the measuring pipes, the throttling element is arranged in the measuring pipes, the pressure tapping part is connected to the upper portions of the measuring pipes, and the pressure tapping part is connected to the lower portions of the measuring pipes. The pressure tapping part comprises a high-pressure side pressure tapping part and a low-pressure side pressure tapping part, the high-pressure side pressure tapping part and the low-pressure side pressure tapping part are arranged on the two sides of the throttling element in the medium flow direction respectively, the axial included angle between the high-pressure side pressure tapping part and the measuring pipe in the medium flow direction and the axial included angle between the low-pressure side pressure tapping part and the measuring pipe in the medium flow direction are smaller than 90 degrees, and the highest end of each pressure tapping part is connected with an exhaust guide pipe. According to the differential pressure type flowmeter facilitating exhaust at the pressure tapping position, the exhaust port is additionally formed in the pressure tapping flange, the pressure tapping flange is designed to be obliquely installed relative to the main pipe, exhaust is better facilitated, and the problems that in the prior art, when a liquid measuring pressure tapping flange is vertically and upwards installed, gas in a pressure tapping pipeline cannot be exhausted, and the measuring precision and the flow stability are affected are solved.

The application discloses a new energy mine card water cooling machine shell low-pressure casting mold and a casting process, an annular pressure storage cavity is formed above the parting surface of the upper mold steel core and the bottom mold steel core on the upper mold steel core, an upper mold water cooling cavity is formed in the upper mold steel core, a bottom mold water cooling cavity is formed in the bottom mold steel core, a plurality of feeding risers are arranged on the top of the upper mold steel core, a plurality of positioning seats are uniformly arranged on the outer side of the mold steel core on the bottom mold, a positioning sliding plate is slidably arranged in the opening of the positioning seat, a pushing mechanism is used for driving the positioning sliding plate to ascend and descend, and four pouring gates are arranged in the 45-degree direction of the bottom mold sand core positioning. The mold structure is designed in three layers of feeding and cooperates with two layers of chilling scheme, the product height is divided into two by the feeding of the middle two layers, the feeding effect is improved, and the casting problem of insufficient feeding distance of the product with high height is solved; the positioning sliding plate of the sand core positioning can automatically ascend and descend, the feeding of the casting liquid is avoided, and the finished product quality of the casting is improved.

The present application provides a vacuum pump with excellent exhaust performance. The vacuum pump is provided with a Seeburg type exhaust mechanism portion (201) provided with a Seeburg spiral groove portion (262) on at least one of a rotating circular plate (220a-220c) and a fixed circular plate (219a, 219b), a Holweck type exhaust mechanism portion (301) provided with a threaded groove (131a) on at least one of a cylindrical portion (102d) of a rotating body (103) and a threaded spacer (131), the Holweck type exhaust mechanism portion (301) being arranged on a downstream side of the Seeburg type exhaust mechanism portion (201), and the vacuum pump is characterized in that a flow path depth of the Holweck type exhaust mechanism portion (301) is continuously constant at a predetermined depth (H2), and the Seeburg type exhaust mechanism portion (201) has an area continuously constant at the predetermined depth (H2) from a predetermined position.

The application belongs to the technical field of air supercharging and provides a machine head of a piston type full-oil-free supercharger, which comprises a body and at least one cylinder arranged along the radial direction of the body, the body and the cylinder are arranged as a hollow chamber structure surrounded by a side wall, the cylinder comprises a first cylinder, a second cylinder, a third cylinder, a fourth cylinder, a fifth cylinder and a sixth cylinder, wherein the first cylinder, the second cylinder, the third cylinder and the fourth cylinder, the fifth cylinder and the sixth cylinder are arranged to be uniformly distributed along the radial central axis of the body, and the axes of the first cylinder and the fifth cylinder coincide as a straight line, and the axes of the second cylinder and the sixth cylinder coincide as a straight line. The application adopts a six-cylinder design, has strong power balance, low vibration, large heat dissipation area, high exhaust volume and efficiency, and can easily realize a multi-stage compression structure to provide high supercharged gas.

The utility model belongs to the field of agriculture, concretely is a kind of agricultural greenhouse exhaust device, including fan;The air inlet end of the fan is detachably installed with flexible air pipe by flange plate, one end of the flexible air pipe away from fan is fixedly connected with pipe seat, the both ends of the pipe seat are all installed with multiple negative pressure pipes, two adjacent negative pressure pipes are interconnected, the bottom of the negative pressure pipe is installed with air inlet, in use, multiple negative pressure pipes are interconnected, and the negative pressure pipe located at end portion is sealed using plug, negative pressure pipe is installed in the inside of big -arch shelter, when needing forced exhaust, fan is transported to big -arch shelter planting area, staff connects between fan and flexible air pipe by flange plate, then fan starts and generates negative pressure, negative pressure passes through negative pressure pipe and lower air inlet, to distribute negative pressure in the inside of big -arch shelter, to improve the uniformity of big -arch shelter air inlet, to reduce the use amount of fan, facilitate staff to exhaust big -arch shelter.

The invention relates to a heat-conducting epoxy adhesive film and a preparation method thereof. The heat-conducting epoxy adhesive film comprises the following components: 10-12 parts of epoxy resin, 5-12 parts of a curing agent, 0.015-0.11 part of an accelerant, 28-80 parts of inorganic filler, 0.1-0.5 part of pigment, 0.4-1 part of a coupling agent and 0.3-1.2 parts of a toughening agent, the inorganic filler is silica powder, the silica powder comprises silica powder with the particle size of 2 microns, silica powder with the particle size of 0.5 microns and silica powder with the particle size of 4 microns, and the preparation method comprises the following steps: S1, mixing materials; step S2, coating is carried out; step S3, surface drying; the preparation method has the advantages that the epoxy resin, the phenolic aldehyde curing agent, the imidazole accelerant, the silica powder, the pigment, the coupling agent and the flexibilizer are combined, and the epoxy adhesive film is prepared through the steps of mixing, stirring, defoaming, coating, solvent removing and compounding, so that the production efficiency of the epoxy adhesive film is improved, the highest baking temperature of a coating oven is reduced, and the technical indexes of the epoxy adhesive film are widened; the room-temperature storage stability is prolonged, the heat conductivity is improved, the dimensional stability in the use process is improved, the binding force of the copper material is improved, and the use performance of the product is improved.