19results about How to "Increase air flow rate" patented technology

The utility model relates to the technical field of internal circulation, in particular to an internal circulation airflow automatic adjusting type cleaning system which comprises a cleaning room, a circulation system and a backflow system, the circulation system is installed on the left side wall face of the cleaning room, and the backflow system is arranged on the right side wall face of the cleaning room. When in use, the fan-shaped guide cavity is used for slowing down the gas flow rate, and the gas in the arc-shaped cavity can be upwards guided by adopting the inclined guide cavity hole, so that the condition that the backflow gas is directly contacted with a worker is reduced, and the backflow difficulty of high-density gas such as carbon dioxide is increased; corresponding treatment equipment or treatment media are added into the internal circulation gas treatment chamber separated by the filter frame, internal circulation disinfection procedures such as alcohol ultraviolet sterilization and the like are carried out, and impurities in air are efficiently filtered through the filter frame formed by activated carbon blocks, so that the cleanliness degree of internal circulation gas flow is increased, and the air quality is ensured; and a stable, reliable and efficient clean environment is provided.

The present invention relates to the technical field of power distribution cabinets, and specifically to a power distribution cabinet for a power distribution room with a fixed-point heat dissipation function. The power distribution cabinet comprises a cabinet body, a flow guide device, a pressure regulating device and a fan. The cabinet body is connected to the flow guide device, the pressure regulating device is connected to the cabinet body, and the pressure regulating device and the flow guide device are connected through pipelines. The pressure regulating device is used for internal circulation cooling of gas, and a power distribution space is provided through a power distribution cavity. The flow guide device is used for gas flow guidance, and automatically screens the incoming air delivered by the fan to prevent gas with excessive humidity from entering the power distribution cavity to cause sparking and short circuit. The heated gas is internally circulated and regulated by the pressure regulating device, and the internal circulation efficiency is improved by pressure regulation and temperature reduction. The internal circulation and air supply by an external fan are used to improve the cooling efficiency of electrical components in the power distribution cabinet to prevent overheating from affecting the power distribution quality.

The present invention relates to the field of new energy technology, and specifically to a fuel cell system, a control method, a fuel cell unit, a fuel cell stack and a vehicle. The system comprises a fuel cell stack and a gas-liquid separation device, the fuel cell stack comprises a hydrogen outlet manifold, and the gas-liquid separation device is connected to the hydrogen outlet manifold; an auxiliary channel and a tail channel are also provided on the fuel cell stack, and the hydrogen outlet manifold is connected to the auxiliary channel through the tail channel; the system also comprises an auxiliary pump, and the gas-liquid separation device is connected to the auxiliary channel through the auxiliary pump; the present invention uses the auxiliary pump to send the gas separated by the gas-liquid separation device into the auxiliary channel through the auxiliary channel, and then re-flows into the hydrogen outlet manifold through the tail channel; thereby, the airflow velocity in the anode outlet manifold of the fuel cell stack can be increased, thereby enhancing the drainage capacity of the anode outlet manifold of the fuel cell stack; by controlling the rotation speed of the auxiliary pump, the flow rate of the system and the liquid water content in the mixed airflow at the outlet of the fuel cell stack can be adjusted.

The invention discloses a miniaturized heating cigarette smoking set capable of reducing the surface temperature. Comprising a heating cavity used for containing an aerosol generating substance, a heating system arranged in the heating cavity, a battery cell used for providing energy for the heating system, a control system used for connecting and controlling the heating system and the battery cell, and a supporting system used for fixing all parts and facilitating holding of a user. The supporting system is provided with a heat insulation area for reducing outward diffusion of heat in the heating cavity on the outer side of the heating cavity, and a heat conduction system which is connected with the heating system and the heating cavity and conducts and dissipates heat generated by the heating system and the heating cavity is arranged in the portion, used for being held by a user, of the supporting system. The device serves as a portable electronic product, the portability of the device requires that the size of the product is as small as possible, and the device strives to achieve balance in demand contradictions by reducing the surface temperature of the product through the design of heat insulation, heat conduction and heat dissipation in a small product space.

The utility model relates to charging pile equipment technical field, concretely relates to a direct current charging pile. The direct current charging pile includes cabinet frame, baffle subassembly, front cabinet door, air inlet side cabinet door and air outlet side cabinet door, the baffle subassembly sets up in the cabinet frame, is used for separating the cabinet frame into front chamber and rear chamber, sets up the electrical device connected with the power supply in the rear chamber, the air inlet side cabinet door and air outlet side cabinet door are respectively open and close setting in the both sides of cabinet frame, are used for realizing the opening and closing and heat dissipation of rear chamber, all set up the inside unlocking of openable and closable connection with baffle subassembly on the air inlet side cabinet door and air outlet side cabinet door, set up the exhaust fan on the air outlet side cabinet door, the front cabinet door open and close setting in the front side of cabinet frame is used for realizing the opening and closing of front chamber, sets up the outside unlocking subassembly on the front cabinet door, the utility model has high heat removal efficiency, high safety and stroke control simple.

The utility model discloses a transformer coil heat abstractor relates to transformer heat dissipation technical field, the utility model discloses a transformer main part and coil are provided with a plurality of fin on the outside of transformer main part, and the adjacent fin between is provided with heat abstractor, the heat abstractor includes first deflector and second deflector, and the cavity is formed between first deflector, second deflector, and the throat cavity is formed at the center position of cavity, the utility model discloses a heat abstractor, and the turbine fan is started, and the high pressure airflow is transmitted to the inside of cavity, and the airflow is guided using the deflector of cambered structure, and the throat cavity is pressurized, improves the airflow velocity and reduces the throat cavity inner wall pressure intensity, simultaneously, the hot air in the transformer is into the cavity through the through -hole because of negative pressure, and is discharged to the outside, realizes heat dissipation, avoids installing heat abstractor in the transformer, improves the convenience of overhauling, and accelerates the airflow velocity of coil and fin surface, effectively promotes the heat dissipation efficiency.

The invention discloses a ventilation method and an agricultural ventilation system, which belong to the field of ventilation equipment. A ventilation method comprises the following steps: S1. Splicing: selecting a corresponding number of air supply sections and air inlet structures according to the size of a site, splicing the air supply sections in sequence to form an air supply duct and connecting it to the air inlet structure; S2. Hoisting: hoisting the air supply duct and the air inlet structure above the site after the splicing is completed through the lifting rings on the air supply sections for hanging; S3. Adjusting: adjusting the opening size of the air valve in the outlet of the air supply section in sequence along the moving direction of the air flow in the air supply duct until the air flow rates of multiple air outlet pipes on the air supply duct are the same; S4. Locking: locking the position of the air valve after the adjustment is completed to keep the air output of the multiple air outlet pipes stable, and the air supply ducts can be assembled and used according to actual conditions, and the later modification is easy, and the air output is uniform to meet the needs of plant and animal growth.

This utility model relates to the field of bladeless fan technology, specifically disclosing a centrifugal fan and a bladeless fan, including a volute with an air inlet and an air outlet. An impeller is installed inside the volute, and the impeller is connected to a drive component for driving the impeller to rotate. A semi-enclosed volute tongue structure is provided inside the volute near the air outlet, and a sound-absorbing chamber is formed within the volute tongue structure. A sound-absorbing component is installed in the sound-absorbing chamber. Multiple through holes are formed on the wall of the volute tongue structure near the impeller to make the volute tongue structure semi-enclosed. This allows the aerodynamic noise generated by the airflow and the mechanical noise generated by the impeller rotation to be efficiently concentrated and drawn into the sound-absorbing component through the through holes when the centrifugal fan of the bladeless fan is working, thereby improving the sound absorption and noise reduction effect and improving the user's sleep quality or user experience.

The utility model relates to the technical field of atomization, and provides an atomizer and an electronic atomization device.The atomizer comprises a shell assembly and an atomization core; an atomization cavity, an air inlet channel and an air outlet channel are formed in the shell assembly; the air inlet channel and the air outlet channel extend in the first direction and communicate with the atomization cavity, and the first direction is parallel to the central axis of the atomizer. The atomizing core is arranged in the shell assembly and located on the top of the atomizing cavity. The atomizing core is provided with an atomizing face facing the bottom of the atomizing cavity. The air inlet channel is provided with an air inlet located in the bottom of the atomization cavity, and the air outlet channel is provided with an air outlet located in the top of the atomization cavity. The air inlet and the air outlet are diagonally arranged relative to the atomizing cavity, the projection of an airflow path between the air inlet and the air outlet on the first plane crosses the projection of the atomizing surface on the first plane, and the first plane is perpendicular to the first direction. The airflow can flow through the central atomization area of the atomization core and cannot be divided, the airflow speed can be increased, and the forming amount of condensate is reduced.

The water soaking mechanism for the steam boiler comprises a boiler body water tank and an air chamber, and the air chamber is fixedly installed on the top face of the boiler body water tank. The steam boiler has the advantages that the reducer pipe and the turbine are adopted, when the steam boiler works, the high-temperature smoke pipe is arranged in the boiler body water tank, water in the boiler body water tank is heated at high temperature, steam is formed by the water and then enters the bent pipe along the air inlet hopper, at the moment, the diameter of the section of the bent pipe is large, and when the steam passes through the reducer pipe, the pipe diameter of the other end of the reducer pipe is reduced; the steam flow speed is increased, so that the steam outlet flow speed of the steam inlet pipe is increased, the blowing efficiency of the turbine is improved, the rotating efficiency of the turbine is improved, the turbine drives the shaft rod and the stirring rod to rotate, water in the furnace body water tank is stirred, and the heat distribution uniformity is improved; the problem that friction loss is increased due to middle force transmission is solved, power output is direct and stable, the stirring efficiency is improved, and then the working efficiency is improved.

The utility model discloses a dehumidifying device for ginseng production, which belongs to the technical field of ginseng production and comprises a dehumidifying box, the side wall of the dehumidifying box is provided with a box opening, the side wall of the box opening is hinged with a sealing door, the surface of the sealing door is provided with an observation window, and the bottom end of the inner side of the dehumidifying box is fixedly connected with a fixed disc through a support rod. The top end of the fixed disc is provided with a plurality of circular openings distributed circumferentially, the center of the fixed disc is provided with a center opening, the inner sides of the circular openings are rotationally connected with gear cylinders, ginseng is inserted into the inner sides of the gear cylinders, the bottom end of the inner side of the dehumidifying box is located below the fixed disc and provided with a motor box, and a driving motor is installed in the motor box. By arranging the driving motor, the gear cylinder and the driving gear, the driving motor drives the driving gear to rotate so as to drive the gear cylinder to rotate, the gear cylinder drives ginseng to rotate at a high speed, the function of spin-drying water stains on the surface of the ginseng is achieved through centrifugal force, and the dehumidifying efficiency of the ginseng is improved.

The utility model relates to a back pressure type ancient tree rejuvenation pipe which comprises an outer sleeve and an inner sleeve, the upper end and the lower end of the outer sleeve and the upper end and the lower end of the inner sleeve are open, the inner sleeve is a reducer pipe with the inner diameter of the lower portion smaller than the inner diameter of the upper portion, a side hole is formed in the pipe wall of the upper portion of the outer sleeve, and the upper end of the inner sleeve penetrates through the side hole and extends out of the outer sleeve. According to the utility model, the pressure of air acting in the pipeline can be reduced. The higher the gas speed is, the smaller the pressure acting on the fluid contact interface is, and the higher the air flowing speed is, the smaller the pressure on the object and fluid contact interface is.

The utility model relates to the technical field of air conditioners, in particular to an air conditioner electric control box, an air conditioner outdoor unit and an air conditioner, the air conditioner electric control box comprises an electric control box main body with a built-in electric control board, an air inlet pipeline and a baffle, the electric control box main body is provided with an air inlet and an air outlet, and the air inlet pipeline is communicated with the air inlet; a baffle used for preventing water drops from entering is arranged in the air inlet pipeline, the baffle divides the air inlet pipeline into a first air inlet pipeline and a second air inlet pipeline which are communicated with each other, the first air inlet pipeline is communicated with the air inlet, and the cross section area of the first air inlet pipeline is smaller than that of the first air inlet pipeline. According to the air conditioner electric control box, the heat dissipation effect of the air conditioner electric control box can be improved, and meanwhile the waterproof requirement of the air conditioner electric control box is met.

The application relates to the field of semiconductor manufacturing, and discloses a wafer rotating wet treatment device which comprises fixing mechanisms arranged in four groups and distributed at equal intervals along the axis of a rotating cylinder, wherein the fixing mechanisms comprise communicating columns, the outer surfaces of the communicating columns are fixedly connected with support plates and limiting cylinders respectively, the outer surfaces of the limiting cylinders are sleeved with buffer cylinders, and the outer surfaces of the buffer cylinders are fixedly connected with containing cylinders through connecting columns. Negative pressure is generated in the inner cavities of the communicating tubes, the negative pressure is finally applied to the lower surface of a wafer at the top of a suction disc under the communicating action of communicating cavities, communicating columns and hoses, so that suction force for fixing the wafer is generated, the suction force can maintain the wafer in a state of relative static with the fixing mechanism as a whole at the lowest value when the wafer rotates, the design greatly simplifies the structure of the device, and the negative pressure adsorption and fixing function of the wafer is also achieved, and the fixing effect is good.

The utility model discloses a waste gas cleaning treatment device, which relates to the technical field of waste gas treatment, and comprises a purification shell, a purification box I and an adsorption box body, one side of the purification shell is connected with a mesh plate in a penetrating manner, a purification box II is arranged in the purification shell, one side of the purification box II is connected with the purification box I, and the adsorption box body is arranged in the purification box II. A purification mechanism is arranged in the first purification box, the purification mechanism is used for conducting drainage and purification treatment on gas, decomposing harmful substances such as formaldehyde and benzene and converting the harmful substances into harmless water and carbon dioxide, and an adsorption mechanism is arranged in the adsorption box and used for adsorbing the harmful substances. The adsorption mechanism is used for adsorbing residual heavy metals, harmful gases and chemical toxins in the waste gas. One side of the two-way motor and the smoke exhaust fan blades rotate, the airflow velocity is increased, so that the pressure intensity in the equipment is reduced, the speed of extracting external waste gas by the equipment is increased, and the situation that the waste gas impacts the interior of the equipment and flows backwards due to the excessive total amount of the waste gas is avoided.

The invention discloses an automatic crimping device and method for a wiring terminal of an electric energy meter, and relates to the technical field of vehicle-mounted electric energy meters. The crimping device comprises a plurality of terminal insulating seats arranged on a crimping table, each terminal insulating seat is provided with a plurality of wiring terminals to be crimped, the crimping device further comprises a feeding unit which comprises a placing assembly, a position adjusting assembly and a conveying assembly, and the placing assembly is internally provided with a plurality of placing boxes used for placing the terminal insulating seats; the crimping unit comprises a transmission assembly, a lifting assembly and a crimping assembly. The automatic crimping machine has the advantages that automatic feeding and discharging and continuous crimping of a plurality of wiring terminals on a terminal insulating seat can be synchronously realized, the crimping depth and the crimping shape can be flexibly adjusted, the automation coordination degree is higher, metal chips generated during crimping can be adsorbed and removed in real time, the influence of accumulation of the metal chips on the crimping precision is effectively avoided, and the production efficiency is improved. And the crimping effect is better.

The utility model discloses an air-cooled heat dissipation motor, which relates to the technical field of heat dissipation and comprises a motor body, and a plurality of air outlet channels are arranged on the edge of the motor body. The end cover is connected to the motor body and is provided with an air inlet; the protective cover sleeves the motor body, an air inlet chamber is formed between the protective cover and the end cover, and the air inlet chamber is communicated with the air inlet and the air outlet channel; in the air outlet direction perpendicular to the air outlet channel, the air inlet cavity is divided into a first part close to the air outlet channel and a second part away from the air outlet channel, and the size of the first part is smaller than that of the second part so that airflow can pass through the air outlet channel after passing through the air inlet cavity and being pressurized. According to the air-cooled heat dissipation motor, the flow speed of the air flow passing through the air outlet channel can be increased by pressurizing the air flow, and the heat dissipation efficiency of the motor body is improved.

The invention discloses a method for generating high-speed and high-temperature airflow by utilizing laser irradiation heat conduction, which comprises the following steps that an infrared laser is used as an energy source and penetrates through a laser incidence window on a pressure gas tank body to irradiate an impeller in the pressure gas tank body, and the impeller is heated by laser irradiation and generates heat; a conical airflow inlet end and a conical airflow outlet end which are gradually reduced in diameter are formed at the two ends of the pressure gas tank body in the axial direction respectively, external airflow enters the pressure gas tank body from the conical airflow inlet end, the airflow flow speed is reduced, the airflow is heated, warmed and pressurized when passing through the impeller heated by laser irradiation, and the pressure gas tank body is heated and pressurized when passing through the impeller. And finally, the high-temperature airflow is accelerated through the conical airflow outlet end, and high-speed and high-temperature airflow is obtained. When the device works, no pollution is caused, the occupied space is small, the energy consumption is relatively low, long-time early-stage preparation work is not needed, and high-temperature and high-speed airflow can be rapidly generated.

The utility model provides an indoor air purification device with low cost, which comprises an outer cylinder, a purification component and a fan, the outer cylinder is cylindrical, the bottom of the outer cylinder is through, an air inlet is arranged in the middle of the top of the outer cylinder, the purification component is mounted in the outer cylinder, the fan is arranged at the bottom of the purification component, the outer cylinder is mounted at the top of a base, and an air outlet groove is arranged on the base; when indoor air is purified, the draught fan works to generate airflow, the indoor air is sucked in from the air inlet hole, the indoor air is filtered and purified through the purification assembly, the filtered and purified air is discharged from the air outlet groove in the base, air purification is completed, and the air purifier has the advantages of being simple in structure and low in manufacturing cost.