133results about How to "Achieve convection" patented technology

The invention discloses an air purifier with double running modes. The air purifier comprises a shell and a controller, wherein a fresh air channel, an air return channel and a heat exchanger are arranged in the shell; the fresh air channel and the air return channel are connected with the heat exchanger respectively; an electrostatic dust remover is arranged in the fresh air channel; a first electric air valve is connected between the fresh air channel and the air return channel; a second electric air valve is arranged at an air inlet; the controller controls the first electric air valve and the second electric air valve; when the first electric air valve starts, the controller controls to stop an exhaust fan; and when the second electric air valve stars, the controller controls to operate an air feeder and the exhaust fan. The air purifier with double running modes can realize switching of an indoor air circulation purification mode and a fresh air purification mode, achieves a good air purification effect and can reduce the energy consumption of air temperature treatment.

The invention discloses a small multi-axis linkage ultrasonic vibration---an electromagnetic auxiliary increasing and decreasing material processing device. The device comprises a steering movable workbench, an ultrasonic vibration---electromagnetic auxiliary device, a mill---milling composite processing device and a laser cladding device, wherein a machine tool base is arranged below the mill---milling composite processing device, the ultrasonic vibration---electromagnetic auxiliary device is fixedly installed on the steering movable workbench, the steering movable workbench is installed on the machine tool base, and the laser cladding device is fixedly arranged on the right side of the upper surface of the machine tool base. According the device, through the steering movable workbench, the process switching of the mill---milling composite processing and the laser cladding processing can be achieved under the condition that workpieces need not to be loaded and unloaded, the processingerror is reduced, and the processing efficiency and the processing precision are improved; in addition, the ultrasonic vibration---electromagnetic auxiliary device can generate a composite field in the laser cladding stage to achieve the convection of molten metal in the cladding process, the metal composition is refined, and the pores and cracks in the cladding layer are reduced, thus improvingthe performance of workpiece products; finally, the device has the advantages of being simple in structure, low in control difficulty and easy to operation.

The invention belongs to the productive maintenance coating and air pollution control technical field. A novel automobile baking finish house by utilizing negative pressure and circulating air solves the problems that baking finish quality of each component is different due to uneven heating on the surface of an automobile in an existing automobile baking finish house and pollution due to waste gas escaping and direct discharging in the automobile baking finish house. The novel automobile baking finish house by utilizing negative pressure and circulating air is mainly composed of a baking finish body, a heating system, a control system, a lighting system, a safety system, a hot air circulating, diffusing and convection system and an air exhaust purification system. The hot air circulating, diffusing and convection system can effectively increase heating uniformity of baking finish components, and thus baking finish quality on the surface of the automobile is even and uniform. The air exhaust purification system can create a favorable negative pressure environment for the automobile baking finish house, and solves the escaping problem of the waste gas in the automobile baking finish house. Extracted waste gas is processed by an air purification device, and pollution problem caused by direct discharging of the waste gas can be effectively resolved.

The invention discloses an LED (light-emitting diode) corn light which comprises a radiator, an LED light source and a lampshade component. The LED light source comprises an end light source board and a plurality of side light source boards, wherein the end light source board is mounted on one end face of the radiator, and the side light source boards are mounted on the side wall of the radiator. The lampshade component comprises an end diffuser and side diffusers, a plurality of outward projecting clamp strips are radially arranged at the edge of the end light source board by taking the center of the end light source board as a circle center, a plurality of cantilever hooks are arranged at the edge of the lower end of the end diffuser, the upper end faces of hook portions of the cantilever hooks are opposite to the lower end face of the end diffuser, the distance between the upper end face of the hook portion of each cantilever hook and the lower end face of the end diffuser is matched with the thickness of each clamp strip, the clamp strips and the cantilever hooks form a rotary fastening structure, the end diffuser and the end light source board relatively rotate, the clamp strips are rotatably connected with the cantilever hooks in a fastened manner, so that the end diffuser is connected, covers the end light source board and can be rapidly, simply and conveniently mounted, and assembly efficiency is improved.

A wireless multifunctional tour guide system with a three-dimensional video animation machine converts signals into three paths of operation signals and one path of three-dimensional pre-monitoring signal, including one left-eye operation signal, one right-eye operation signal, one manufacturing signal and one three-dimensional pre-monitoring signal. Signals are converted synchronously to realize a convertible and operable system. The wireless multifunctional tour guide system further comprises a dedusting device and a reminding and heat radiation device, wherein the reminding and heat radiation device is a heat radiation fan facing a video card. A temperature relay including two normally-opened contacts is arranged on the video card, wherein one normally-opened contact is serially connected between the heat radiation fan and the power supply of the heat radiation fan, and the other normally-opened contact is serially connected between an alarm and the power supply of the alarm. The problems of poor working performance of the video card due to ambient dust attached to a video card, impossibility of improving manufacturing efficiency and lack of reminding and heat radiation device in the prior art can be solved.

The invention provides an omnibearing refrigeration refrigerator, which solves the problems that the existing refrigerator adopts the refrigeration mode of inwards conducting heat only through the four surrounding walls, so the heat exchange efficiency is lower, the freezing speed is low, the cargo thawing phenomenon can easily occur, in addition, the electricity consumption is also increased, and the like. The omnibearing refrigeration refrigerator comprises a box body, a box cover and a refrigeration system, wherein the refrigeration system comprises a box body evaporator positioned in the box body and a cover body evaporator positioned in the cover body, the box body evaporator and the cover body evaporator are communicated through a hose, and a joint forming dismountable connection is arranged at the joint part of the hose. The omnibearing refrigeration refrigerator has the advantages that top refrigeration is additionally added into the box cover of the refrigerator, further, the refrigeration is started from the upper part of the refrigerator, air on the top of the refrigerator is cooled through the cover body evaporator, the density is increased, the natural sinking is realized, and the natural convection of the air in the box is realized, so the integral heat exchange mode of heat conduction, convection and heat radiation is realized in a box of the refrigerator, the refrigeration speed is greatly accelerated, and in addition, the electricity consumption reduction is favorably realized.

The invention discloses a discharging device for a new energy automobile, and belongs to the technical field of new energy automobiles. The discharging device for the new energy automobile comprises abase, a protection box is fixedly connected to the upper surface of the base, and a mounting base is fixedly connected to the inner bottom wall of the protection box. According to the invention, a supporting rod, a damping spring, a first rotating block, a rotating rod, a second rotating block, a limiting rod and a spring cylinder are arranged; the new energy automobile runs on a bumpy road section; when a vehicle body shakes, after a vibration force is transmitted to a protection box, a supporting plate descends along the supporting rod; and when the damping spring retracts, the limiting rodmoves towards the interior of the spring cylinder under the transmission action of the first rotating block, the rotating rod and the second rotating block, the limiting plate drives the limiting spring to contract, the design effectively plays a role in buffering and damping the discharge device main body, the situation that the discharge device main body is damaged due to vibration force is avoided, and the discharge device main body is protected.

The invention discloses a substation heat dissipation system, which is arranged in an outdoor box-type substation. The box-type substation includes side plates and a top plate. The heat dissipation system of the substation includes wind ventilation fans. The fan is connected to the inside and outside of the box-type substation; the wind ventilation fan includes a wind wheel, a transmission wheel a, a transmission belt, a transmission wheel b, and a ventilation fan. A rotating shaft a is arranged in the center of the wind wheel, and the rotating shaft a is installed on the mounting frame on the top of the box-type substation. Install the transmission wheel a, the ventilating fan is installed in the mounting hole on the side plate, the center of the ventilating fan is set with the rotating shaft b, the rotating shaft b is equipped with the driving wheel b, the transmission belt connects the driving wheel a and the driving wheel b, the wheel diameter of the wind wheel is larger than that of the ventilating fan The diameter of the transmission wheel a is larger than that of the transmission wheel b. The invention improves the heat dissipation performance of the box-type substation and effectively improves the stability and service life of the substation by arranging a wind ventilation fan and using natural wind to drive the ventilation fan to work.

The invention discloses a double-sided centrifugal impeller and a machining method thereof. The double-sided centrifugal impeller comprises an impeller disk, a left blade, a right blade and an axis hole penetrating through the rotation axis of the impeller, wherein the impeller disk comprises a left disk body and a right disk body; cavities are formed in the impeller disk; the impeller disk is formed by splicing at least two blocks; and the cavities are formed by excavating a part of material from the contact face of at least one block. The centrifugal impeller of a novel structure not only overcomes the defect that a center disk of a conventional centrifugal impeller cannot be machined, but also can achieve air convection in the center of the disk through vent grooves, the pressure of the center of the disk is automatically adjusted through centrifugal force on the air in the center of the disk and pressure generated by heat conduction expansion, and the cooling function and the function of reducing the disk deformation can be achieved. Meanwhile, when any block of the impeller disk is severely damaged, the damaged block can be replaced, so that the loss is reduced and cost is saved. The impeller disk is divided into the multiple blocks, then each block can be machined independently, and the machining process difficulty is reduced compared with that of double-sided overall machining.

The invention relates to a heat radiating building safety helmet. The heat radiating building safety helmet comprises an outer housing made of a hard material and an inner housing made of an elastic expansion material. A protection cavity in a flat long strip shape is fixed and abutted close to the inner side surface of the outer housing. The protection cavity is internally provided with a piston block which can slide along the inner wall of the protection cavity. The inner side surface of the inner housing is fixed and abutted with a heat radiation cavity in a bowl shape. The heat radiation cavity is communicated with two ends of the protection cavity through two liquid guiding pipes. The heat radiation cavity and the protection cavity are filled with cooling liquid. The lower edge of the inner housing is symmetrically provided with two semicircular adaptive hoops. Each adaptive hoop is fixed by a pressure spring which is installed on the inner side surface of the outer housing. The axis of each pressure spring extends along the radial direction of the outer housing. The safety helmet is novel in structure and relatively light in texture, and fits scalp, and has good heat radiation effect while having security guarantee.

The invention discloses an illumination device. The illumination device comprises a shell, a radiation component arranged on one end of the shell, a light source component which is in thermal contact with one end of the radiation component, an optical component arranged on the other end of the light source component and a driving power component, wherein the light source component and the shell are separately located on two ends of the radiation component; the radiation component is arranged outside the illumination device, and a plurality of passages which are used for communicating the inside with the outside are arranged on the illumination device; and the passages penetrate through the shell and the radiation component, so that heat emitted by the light source component in the illumination device can be effectively and rapidly dissipated through the passages. Therefore, the illumination device has the characteristic of good radiation effect, so that the service life of the light source component in the illumination device is prolonged.

The invention discloses a cooling device for a high-voltage vacuum circuit breaker and an assembly method thereof. The cooling device comprises a fan. The fan is provided with a casing body and a motor. The end part of the motor is rotationally connected with an impeller. The impeller is arranged in the casing body. The casing body is provided with a first air outlet. The cooling device is characterized in that a fixation seat is arranged above the casing body; the casing body is slidably connected with the fixation seat; a lifting component is arranged at the top of the fixation seat; and thelifting component controls the fixation seat to lift. The method comprises the steps that a the size is determined; b the fixation seat and the lifting component are arranged; c the fan and a rotating adjustment component are arranged; and d the installation is completed. According to the invention, the position of the fan is adjustable; a high temperature point can be quickly cooled; the coolingdevice is arranged in a cabinet body to effectively eliminate hot air in the cabinet body, which reduces the temperature in the cabinet body; the service life of the vacuum circuit breaker can be prolonged; and the probability of hidden safety hazards can be reduced.

The invention discloses a goose egg incubation device. The goose egg incubation device comprises an incubation box, wherein a temperature adjusting device is connected with the incubation box; supporting rods are arranged in the incubation box, and multiple rotating rods are arranged on each supporting rod; each rotating rod is connected with a rotating motor, a timing device and an installation disk, and an upper incubation disk, a plurality of reflectors, fixing rods, pushing air cylinders, a lower incubation disk and illuminating light bars are arranged on each installation disk; the lowerincubation disks and the upper incubation disks are each provided with multiple incubation grooves which are evenly distributed, and fixing devices are arranged in each incubation groove; humidification pipes are arranged on both inner side surfaces of the incubation box, and an atomizer is arranged on each humidification pipe; and a ventilation pipe is arranged on the top surface of the incubation box, and a suction pump is arranged on the ventilation pipe. The goose egg incubation device not only can improve the safety of egg turning, but also has the advantages that the stability of goose egg placement is good, the working efficiency is high, use is convenient, an application range is wide, the incubation efficiency of goose eggs is high, the adjustment rate is high, and the heating rate is high.

The invention discloses a condensing throttler. The condensing throttler comprises a shell 2, wherein the top part of the shell 2 is provided with a tail gas outlet 2 and a tail gas inlet 1; the tail gas inlet 1 is connected with a tail gas outlet 1 of an oil and gas pretreatment device and the condenser tail gas outlet of each condenser in an oil and gas recovery system; the interior of the shell 2 is provided with pipelines which are one-to-one correspondence to each condenser; the pipelines are connected with a gas outlet pipeline located at one side of the shell 2; the diameter of the gas outlet pipeline is larger than the sum of the diameters of the pipelines; meanwhile, the gas outlet pipeline is connected with a condenser compressor; in addition, the bottom end of the shell 2 is also provided with an oil and water outlet 1 which is connected with an oil and water collector. The condensing throttler provided by the invention is applied in the oil and gas recovery system, realizes further treatment to tail gas, reduces emission concentration of the oil and gas recovery system, and improves oil and water recovery rate.

The invention discloses a device preventing smoke channeling upwards for an assembling type building. The device preventing smoke channeling upwards for the assembling type building comprises a firstventilating pipe arranged on the vertical shaft inner wall of each floor. A communicating second ventilating pipe is arranged at the upper end of each first ventilating pipe. The first ventilating pipes and the second ventilating pipes are of an inverted-T shape. Fans are arranged inside the second ventilating pipes. Motors are fixed to portions, located below the second ventilating pipes, of theouter walls of the first ventilating pipes. The output shafts of the motors extend inside the first ventilating pipes, and connecting rods are arranged at the output shafts of the motors. Blocking plates are arranged at the upper ends of the connecting rods. Water tanks are also arranged in the upper portions of the first ventilating pipes. Air input pipes extending to the bottoms of the water tanks are arranged in the upper portions of the second ventilating pipes. Air output pipes are arranged in the upper portions of the water tanks. According to the device preventing smoke channeling upwards for the assembling type building, the communicating state of each floor and the vertical shaft is adjusted through the rotatable blocking plates; when a fire breaks out, smoke is sucked into water,and solid polluted particles generated by the fire are absorbed and filtered; the device is a quite good prevention device; and when a fire does not break out, each floor communicates with the vertical shaft through the first ventilating pipes, air convection is achieved, and a good ventilation state is kept in the building.

An assembly-type toilet whole structure comprises wall bodies, a floor, a ceiling and a heating device which constitute a whole toilet. The wall bodies comprise four walls, namely the side outer walls on the two sides, the obverse wall and the reverse wall. The ceiling is arranged on the top of the toilet defined by the four walls; a door is reserved in the middle of the obverse wall; the bottommost layer of the floor is a heat preservation layer; wooden keels are mounted on the upper portion of the heat preservation layer; a densely-woven steel wire net is arranged on the upper portions of the wooden keels; and a breathable layer of a floor structure is arranged on the upper surface of the steel wire net. An air blower is arranged on the outer portion of the left side wall; a temperature controller is mounted in the position, close to the lower edge, on the inner side of the left side wall; and a wash basin is arranged on the upper portion of the temperature controller. According to the assembly-type toilet whole structure, through the overall structural design, use is convenient, when the assembly-type toilet whole structure is used in the cold winter, the indoor environment is comfortable, the structure is simple, the using cost is low, and achievement is easy.

The invention relates to a modular generator which comprises a shell, at least two magnet rotors, at least one coil stator and a transmission shaft. The modular generator is characterized in that the centers of the magnet rotors are provided with shaft holes which are used for enabling the transmission shaft to pass through and are driven to rotate by the transmission shaft; each magnet rotor is uniformly provided with the even number of units in the peripheral direction; a magnet is arranged in each unit; the magnets in each two adjacent units are different in polarity; the magnets in the opposite units between each two adjacent magnet rotors are different in polarity; each coil stator is uniformly provided with a silicon steel sheets of which the number is the same with that of the units of each magnet rotor in the peripheral direction; the silicon steel sheets are radially mounted on a ring-shaped bracket; the ring-shaped bracket is uniformly wound with a coil; the coil is separated by the silicon steel sheets; the magnet rotors and the coil stators are alternately arranged and fixed on the transmission shaft; input power is low, and output power is high; a load is increased, and the input power is not increased, but is reduced; and the coil stators and the magnet rotors are modularized, so that a volume is reduced.

The invention discloses an ultraviolet photochemical reaction system based on a continuous flow technology. The system comprises a capillary tube continuous flow reactor, a flexible light source and an air blower, the flexible light source is wound on the outer wall of a container, the capillary tube continuous flow reactor is wound on the outer side of the flexible light source and communicated with an air blower, and air is blown in by the air blower to conduct air cooling on the flexible light source and a capillary tube micro-reactor. The device can combine the advantages of photochemicalconversion and a continuous flow technology, and on the premise of safe production, the yield and purity of the product are improved as much as possible with low energy consumption.