24results about How to "Improve air flow" patented technology

The utility model discloses an artificial leather relates to artificial leather technical field, and its technical scheme main points are: including epidermis layer and base cloth layer, and the base cloth layer includes comb GB1 yarn, comb GB2 yarn and comb GB3 yarn, and comb GB1 yarn and comb GB2 yarn are woven and form the warp knitting mesh eye organization together, and comb GB3 yarn forms the lining weft knitted fabric, and the breathable space is formed between the adjacent two lining weft knitted fabrics, and the epidermis layer surface is provided with a plurality of breathable holes. The utility model discloses through the cooperation of breathable hole, warp knitting mesh eye organization and breathable space, greatly increases the air flow property of both sides of artificial leather, makes the whole artificial leather have better breathable effect, thereby is favorable to the fast dissipation of the peculiar smell produced, reduces the residue of peculiar smell, and the epidermis layer is PVC resin layer, and the PVC resin has better wear resistance and corrosion resistance, thereby guarantees that the whole artificial leather has longer service life.

This invention relates to a hyperbaric oxygen chamber system with adjustable oxygen concentration. The system includes a main unit and a chamber. The main unit comprises a main control module, an oxygen regulation module, and a pressure regulation module, all electrically connected to the main control module. The pressure regulation module includes a low-oxygen air regulation submodule and a pressure-maintaining air submodule. The pressure-maintaining air submodule includes a first air compressor, a pressure relief valve, and a first sensor. The oxygen regulation module includes a second air compressor, a separation valve, a molecular sieve tower, a flow-limiting valve, and a vacuum pump. The low-oxygen air regulation submodule includes a three-way valve and a one-way valve. This invention's adjustable oxygen concentration hyperbaric oxygen chamber system can reduce the production cost of hyperbaric oxygen chamber systems, improve the user experience, and allow the oxygen concentration within the chamber to be adjusted below that of air, thus expanding its application to low-oxygen training and testing environments.

The invention discloses a valveless pulsating jet engine with an oval air inlet channel. The valveless pulsating jet engine is composed of a combustion chamber, the air inlet channel, a tail pipe, an oil nozzle and the like. An engine air inlet channel is of an oval flow channel structure, the air inlet channel and a tail pipe are arranged on the rear wall face of a combustion chamber, an oil nozzle is arranged on the rear half portion of the combustion chamber, and a nozzle directly faces an air inlet. The air inlet channel has the advantages that under the constraint of the limited engine section size, a circular flow channel is changed into an oval flow channel by changing the structural form of the air inlet channel, the air inlet amount of an engine is effectively increased, and therefore the thrust of the engine is improved.

The utility model provides a high-frequency filter heat dissipation assembly. The high-frequency filter heat dissipation assembly comprises a filter body, wherein a heat dissipation block is mounted on the front side of the filter body; a heat dissipation substrate is arranged on one side, close to the filter body, of the heat dissipation block, and the heat dissipation substrates on the two sides are tightly attached to the two sides of the filter body; a heat dissipation assembly is arranged between the heat dissipation substrate and the heat dissipation block; a mounting groove is formed in the side, away from the filter body, of the heat dissipation block, a heat dissipation fan is mounted on the inner wall of the mounting groove, and a dismounting and mounting assembly is arranged between the heat dissipation fan and the heat dissipation block. The heat dissipation substrate is tightly attached to the filter body, so that the contact thermal resistance is effectively reduced, and the heat conduction efficiency is improved; the wave-shaped radiating fins are matched with the ventilation holes, so that the radiating area and the air circulation are increased; the air guiding system composed of the air guiding groove, the flow dividing block, the flow guiding block and the air guiding plate enables airflow generated by the cooling fan to accurately and efficiently act on the cooling fins, and compared with a traditional single cooling mode, the cooling efficiency is improved.

The utility model relates to communication information system technical field especially a kind of server for communication information system, including server main body, the one side of server main body is equipped with blowing heat dissipation mechanism, the lower side of the other side of server main body is evenly opened and is connected with hole, the outside of the wire hole is provided with wire protection assembly, the outside lower side of the wire hole is equipped with surplus line winding mechanism. Advantageous effect lies in: the utility model is closely wrapped in the surface of cable by protective sleeve, improves dustproof and moisture-proof performance, avoids dust and water vapor to enter the inside of wire hole and influences the safety of wiring;After keeping cable wiring, wiring is clear and neat and not scattered, it is convenient for subsequent maintenance gap and replacement cable, avoid that cable is pulled and dragged when, pull off the connecting line between cable and wire hole, keep server main body safe and stable connection use.

The invention discloses a synchronous injection type rotary spray head device for trenchless pipeline repair, and relates to the technical field of pipeline repair, the synchronous injection type rotary spray head device comprises a cylinder, a first pipe body, a second pipe body and a third pipe body are fixed in the cylinder, the first pipe body, the second pipe body and the third pipe body are concentrically arranged, the first pipe body is used for conveying a repair polymer, and the third pipe body is used for conveying a repair polymer; and the second pipe body is used for conveying gas. When pipeline repairing work is carried out, the inner surface of a pipeline can be treated firstly, floating ash on the inner surface of the pipeline and burrs at the damaged position can be cleaned, it is guaranteed that epoxy resin can be evenly attached to the inner surface of the pipeline, the repairing effect is improved, in addition, through the effect of the repairing assembly, the damaged position of the pipeline is filled, and the repairing efficiency is improved. Therefore, the inner surface of the repaired pipeline is smooth, water scale, impurities and the like are prevented from being accumulated at the potholes in the pipeline after the pipeline is repaired, and the conveying capacity of the repaired pipeline is ensured.

This invention discloses a grille device (100) for an air handling equipment (200), comprising: a plurality of guide vanes (102) connected to the air handling equipment. The plurality of guide vanes (102) are configured to allow airflow to pass through the grille device (100) in a direct current manner along a first direction. The guide vanes (102) include a cross-section defined by the first direction and a second direction perpendicular to the first direction, the cross-section having a maximum chord length (L) along the first direction and a maximum thickness (t) along the second direction, the ratio between the maximum thickness (t) and the maximum chord length (L) being set to reduce noise caused by the airflow while maintaining or increasing the airflow velocity.

This utility model discloses a moisture-absorbing yarn, relating to the field of yarn technology, aiming to solve the problem of poor moisture absorption and breathability of chemical fiber yarns. The key technical points are: the yarn core is made by spirally winding multiple first strands of yarn around second strands; the interior of the yarn core is formed by hydrolyzing to remove the second strands, creating a cavity; several through-grooves are formed between several adjacent first strands along the yarn core axis, and these through-grooves are interconnected with the cavity; the outer covering yarn is made by twisting first and third strands. This utility model improves the air circulation between the inside and outside of the yarn through the interconnected ventilation grooves, through-grooves, and cavity. Because the moisture absorption of viscose fiber is greater than that of polyester profiled fiber, the moisture absorbed by the yarn core can be quickly transferred and dispersed into the outer covering yarn for rapid moisture dissipation. Because the diameter of the first strand is larger than that of the third strand, the polyester profiled fiber in the outer covering yarn can first come into contact with and rub against external objects, thereby reducing the wear degree of the third strand.

The utility model discloses a pure silica gel foaming pillow with far infrared heating relates to pillow technical field, including pillow body and heating unit, pillow body includes bottom layer silica gel pad, middle foaming silica gel layer and surface layer compact silica gel film, and bottom layer silica gel pad is the flat plate structure, and its upper surface is bonded fixed with middle foaming silica gel layer, and middle foaming silica gel layer inside is equipped with several through ventilation channel, and surface layer compact silica gel film covers in the upper surface of middle foaming silica gel layer, heating unit includes far infrared heating film and heat conduction base plate, and heat conduction base plate is aluminium foil layer, and adheres to the lower surface of far infrared heating film. The heating unit is embedded between middle foaming silica gel layer and surface layer compact silica gel film, adopts the composite heat conduction structure of far infrared heating film cooperation aluminium foil heat conduction base plate and high heat conduction silicone grease, can make heat spread fast, evenly horizontally, avoids local overheating, realizes safe, stable, efficient heat conduction, promotes local blood circulation, relieves muscle fatigue and neck stiffness.

This invention belongs to the field of air conditioning technology and discloses an air conditioner outdoor unit, an air conditioning unit, and an air conditioning control method. The air conditioner outdoor unit includes an outdoor unit casing, a mounting bracket, a heat exchanger, and a fan unit. The outdoor unit casing has an air outlet. The mounting bracket divides the interior of the outdoor unit casing into a first cavity and a second cavity. The heat exchanger is located in the second cavity. The fan unit includes a main fan and at least one auxiliary fan, both mounted on the mounting bracket. The main fan is located in the first cavity between the air outlet and the mounting bracket, and the auxiliary fan is located in the second cavity between the mounting bracket and the heat exchanger. The main fan and the auxiliary fan operate independently, and the diameter of the auxiliary fan is smaller than that of the main fan. This air conditioner outdoor unit enables uniform heat exchange in the heat exchanger, improves the utilization rate of the heat exchanger, and allows for adjustment of the fan assembly under different operating loads, thereby improving the operating capacity and application range of the air conditioner outdoor unit.

The utility model discloses a brake drum convenient to dissipate heat, and belongs to the technical field of automobiles. The problem that in the prior art, an automobile brake drum is poor in heat dissipation performance is solved. The brake device mainly comprises an annular protection plate, an annular brake plate is arranged in the protection plate, a heat dissipation cavity is formed between the protection plate and the brake plate, a plurality of air guide ribs are installed between the protection plate and the brake plate, and each air guide rib comprises multiple layers of air guide rings distributed at intervals in the vertical direction; each layer of air guide ring comprises a plurality of air guide blocks distributed at intervals in the circumferential direction, and the air guide blocks on every two adjacent layers of air guide rings are arranged in a staggered mode. And a plurality of ventilation holes are formed in the protection plate.

This invention discloses a film capacitor with dual electronic control including a power relay, EMC filtering, and heat dissipation device, belonging to the field of capacitor technology. The film capacitor includes a casing, an EMC filtering component, and a copper busbar assembly. The copper busbar assembly includes a first positive copper busbar and a second positive copper busbar, which connect two separate circuits into a dual electronic control circuit. This allows for more reliable logic control with simplified hardware, resulting in high sensitivity and good coordination for controlling subsequent equipment. After assembly, this capacitor reduces the number of electronic components, saving space. Furthermore, the centralized control logic reduces the number of fault points, making subsequent fault diagnosis easier and reducing energy consumption from redundant components.

This utility model relates to the field of garment processing technology, specifically providing a garment processing device. Specifically, the garment processing device of this utility model includes a door, a drum, and a drying device. The drying device includes a circulating air duct, and a bypass air duct is provided inside the door. The air inlet of the bypass air duct is close to the air inlet end of the circulating air duct, and the air outlet faces the drum opening. A fan is installed in the bypass air duct, which can draw a portion of the airflow discharged from the drum opening into the bypass air duct and spray the airflow from the air outlet into the drum to exchange heat and moisture with the garment again. By setting a bypass air duct inside the door and installing a fan inside the bypass air duct, the fan can draw a portion of the airflow discharged from the drum opening into the bypass air duct and spray the airflow into the drum through the air outlet to exchange heat and moisture with the garment again. This increases the moisture content and lowers the temperature of the airflow before it enters the circulating air duct for heat exchange, which is beneficial for improving the condensation effect, thereby increasing drying efficiency and reducing drying time.

The utility model provides a lining adding device of a belt loop machine and the belt loop machine, and belongs to the technical field of sewing equipment. The lining adding device comprises a machine frame, the machine frame comprises a needle plate, a lining blowing component, a lining cloth conveying mechanism used for conveying lining cloth and a cutter mechanism used for cutting off the lining cloth are arranged on the machine frame, the lining blowing component comprises an air blowing pipe and an installation block, the installation block is provided with an inner cavity, and the air blowing pipe is connected to the installation block in an inserted mode and communicated with the inner cavity of the installation block. An air outlet communicated with the inner cavity of the mounting block is formed in the mounting block, and the air outlet is positioned above the needle plate and gradually inclines downwards from inside to outside. According to the lining adding device, lining cloth is conveyed more smoothly, and the conveying efficiency of the lining cloth is improved.

The utility model belongs to instrument box heat dissipation technical field, concretely relates to a ventilation heat dissipation type instrument box, including the box and the door, the both sides of box are established with square groove respectively, and the square groove is fixedly connected with magnet frame, and the magnet frame is magnetically absorbed with filter screen, is equipped with a plurality of corresponding with filter screen's stop pin mechanism on the box, stop pin mechanism includes the fixed post of fixed connection on the box, and the fixed post is rotatably connected with the baffle, and the end of fixed post is provided with the card station, and the outside of fixed post is covered with the spring between the card station and baffle, and the baffle is fixedly connected with the card pin, and the card pin is abutted with filter screen. The ventilation heat dissipation type instrument box of the utility model is equipped with stop pin mechanism and magnet frame, carries out initial positioning to filter screen through magnet frame, and through the combination design of card pin, card station and spring, locks filter screen, makes the installation and disassembly of filter screen become extremely convenient, effectively improves the disassembly maintenance work efficiency of filter screen.

A kind of floating waist support seat cushion, including back cushion part and seat cushion part;Back cushion part includes back cushion support and back cushion net surface, back cushion net surface connects back cushion support;Seat cushion part includes seat cushion support and seat cushion net surface, seat cushion net surface connects seat cushion support;Back cushion support is rotatably connected seat cushion support.The utility model relates to a kind of floating waist support seat cushion by being provided with breathable net surface in seat cushion part and back cushion part respectively, significantly improve the heat dissipation and air flow effect;At the same time, back cushion part and seat cushion part use rotary connection mode, so that the waist support seat cushion can be flexibly switched between use state and folding storage state, with convenient use and carrying convenience;Further, the user can rest on the back of the back cushion part of the seat cushion, which can reduce the probability of humpback and myopia caused by the user's sitting posture.

The application relates to the technical field of micro fans, in particular to a multi-jet-hole guide fan, which comprises a fan body and a guide device arranged on one side or both sides of the fan body through a gap, at least two jet-hole units are arranged on the side of the fan body close to the guide device, and each jet-hole unit comprises at least two jet holes arranged at intervals, in the application, the design of a single first guide channel with multiple jet holes can help to expand the suction range when the airflow sprayed by the multiple jet holes enters the corresponding first guide channel after passing through the guide cavity, meanwhile, the one-to-many mode can reduce the local pressure peak value, inhibit the formation of turbulent flow and the impact on the wall surface of the first guide channel, and is beneficial to improving the flow and reducing the noise; on the other hand, the setting of the convex part can force the circumferential gas to smoothly turn along the surface of the convex part, reduce the airflow separation area, and reduce the instability of the shear layer.

The invention discloses a tempered glass quality-improving and energy-saving device, and belongs to the technical field of tempered glass cooling, the tempered glass quality-improving and energy-saving device comprises a frame, conveying mechanisms arranged on the two sides of the frame, wheel type conveying equipment arranged between the conveying mechanisms on the two sides, and a lateral heat dissipation mechanism arranged on the side of the frame and used for blowing glass rotating by the wheel type conveying equipment through the lateral heat dissipation mechanism. In the invention, the wheel type conveying equipment is adopted, and a traditional horizontal conveying cooling path is converted into a circular motion path, so that on the premise of not changing the horizontal conveying occupied area of the production line, the retention time of glass in a cooling area is greatly prolonged, sufficient cooling is realized, the production cost is reduced, and the production efficiency is improved. The whole cooling process completely adopts a lateral air cooling technology, a water cooling process is abandoned, the surface of the glass does not need to be in contact with a water medium, and the problems of watermarks and water stains caused by water cooling are thoroughly solved.

The application is suitable for the technical field of projection equipment, and provides a projection equipment, which comprises a shell, a projection part, a first heat dissipation part and a water collecting part, wherein the shell is internally provided with a first containing cavity; the projection part comprises an optical assembly, the projection part is arranged in the first containing cavity, and is used for projecting an image to an external environment; the first heat dissipation part comprises a main body, an air cooling assembly and a thermoelectric refrigeration assembly, the main body is internally provided with a second containing cavity, the thermoelectric refrigeration assembly is arranged on the main body, a refrigeration end of the thermoelectric refrigeration assembly is arranged in the second containing cavity, and the refrigeration end is used for cooling air in the second containing cavity; the main body is provided with a first air outlet, and the air cooling assembly can blow the cooled air to the optical assembly through the first air outlet. Compared with the way of increasing air flow by pulling up the rotation speed of the air blower to improve the heat dissipation effect in the prior art, the projection equipment provided by the application has the same heat dissipation effect, and the generated noise is lower.

This utility model discloses a breathable and comfortable polyester fabric, relating to the field of textile technology. The key technical points are: a first abutment is provided below the breathable section; a through-groove is provided through the moisture-absorbing section; a moisture-dissipating sheet is provided above the moisture-absorbing section; a second abutment is fixedly connected to the side of the moisture-dissipating sheet near the breathable layer; the second abutment extends through the through-groove into the breathable layer; a breathable space I, interconnected with the through-groove, is formed between the first and second abutments and the breathable layer; and several grooves, interconnected with the through-groove, are provided on both sides of the breathable layer. This utility model utilizes the cotton fiber-made first and second abutments to provide a soft and comfortable feel when in contact with the skin, and to effectively absorb sweat, keeping the skin dry and comfortable. The interconnected ventilation holes, breathable space I, breathable space II, ventilation groove, grooves, and through-groove ensure good air circulation between the interior and exterior of the fabric, giving it breathable and comfortable characteristics.

The utility model discloses a kind of chemical fibre fabrics, it relates to textile technical field, and its technical scheme main point is: the two sides of inner layer are respectively equipped with several convex one and several convex two, inner layer and outer layer are supported by several convex one and form several ventilation cavities, outer layer includes the staggered arrangement of several moisture-dispersion parts and several breathable parts along its warp direction, breathable part array is provided with several air holes one, several air holes two are provided in moisture-dispersion part and convex two, air holes one and air holes two are all interconnected with ventilation cavity.The utility model passes through several intercommunicating ventilation cavities, air holes one and air holes two improve the air circulation effect of fabric inside and both sides, since the hygroscopicity of viscose fibre is greater than the hygroscopicity of terylene profiled fibre, so that moisture absorbed by fabric will be dispersed on viscose fibre as overwrap yarn, so that good air circulation can be directly contacted with viscose fibre to quickly disperse moisture, so that the fabric made has the comfortable wearing feeling of breathable and quick-drying.

This utility model relates to the field of shock absorber cover technology and discloses an automotive shock absorber cover structure, including a shock absorber assembly and a shock absorber cover. The shock absorber assembly is assembled inside the shock absorber cover, and a cover base plate is assembled at the bottom of the shock absorber cover. A protective cavity is formed inside the shock absorber cover, and the shock absorber assembly is assembled inside the protective cavity. Four guide components are assembled on the inner wall of the protective cavity. Each guide component includes two oppositely arranged fixing plates, and an installation groove is formed on the inner wall of the protective cavity at the guide components. This device can adaptively adjust the guide angle according to the movement trajectory of the shock absorber under different working conditions, further improving the guide accuracy, ensuring that the shock absorber assembly is always in a stable working state, and significantly extending its service life.