746results about How to "Easy to ventilate and dissipate heat" patented technology

The invention discloses a multi-channel active noise control system for a power transformer which can separately or simultaneously reduce the components approximate to 100Hz, 200Hz and 300Hz in noises of the power transformer and has high degree of automation and a good noise reduction effect. Compared with the noise reduction method of the traditional transformer, the system has a good noise reduction effect on the noise peak approximate to 100Hz, 200Hz and 300Hz; under an ideal condition, the magnitude order of the environmental noise can be reduced to at the microphone; the system manages the input and output of signals in a distributed manner by using a quad-channel signal condition/driving module, has good passageway expansibility and is convenient to realize and maintain; a man-machine interactive module facilitates to manage operation and exchange data; and in addition, the multi-channel active noise control system is less affected by the installation space of the field and is beneficial to the ventilation and heat dispersion of the power transformer.

The invention discloses an outdoor distribution cabinet with dust prevention and ventilation functions, the distribution cabinet includes a distribution cabinet main body, a first ventilation device is arranged on the top of the distribution cabinet main body, a second ventilation device is provided at the bottom, the power distribution cabinet main body is of a rectangular hollow structure, and the top part is provided with a first ventilation slot, the first ventilation device communicates with the distribution cabinet main body through the first ventilation slot, the bottom of the distribution cabinet main body is provided with a second ventilation slot, the second ventilation device communicates with the distribution cabinet main body through the second ventilation slot, the first ventilation device comprises an upper shell, and the upper shell is of a rectangular hollow structure. The invention is novel in design, and has the advantages of simple structure and convenient use. Theadjusting mechanism capable of movably opening and closing on the first ventilation device cooperates with the exhaust fan of the second ventilation device at the bottom, so that the ventilation and dust prevention functions of the outdoor distribution cabinet can be greatly improved, not only are the requirements of ventilation and heat dissipation are met, but also the preservation of the dust prevention function is ensured, and the outdoor distribution cabinet is suitable for popularization and use.

The invention relates to the technical field of air conditioning devices, in particular to a device and method for detecting the quantity of refrigerants and an air-conditioner with the device for detecting the quantity of the refrigerants. The device for detecting the quantity of the refrigerants comprises a plurality of temperature sensors, a temperature collection meter and a calculation terminal. The temperature sensors are installed on the air-conditioner and electrically connected with the temperature collection meter. The temperature of the middle of a condenser, the temperature of an outlet of the condenser, the temperature of an inlet of an evaporator and the temperature of an outlet of the evaporator of the air-conditioner are correspondingly measured through the multiple temperature sensors of the device for detecting the quantity of the refrigerants, transmitted into the temperature collection meter of the device for detecting the quantity of the refrigerants through a condenser middle temperature collection wire, a condenser outlet temperature collection wire, an evaporator inlet temperature collection wire and an evaporator outlet temperature collection wire of the device for detecting the quantity of the refrigerants, and then transmitted through the temperature collection meter to the calculation terminal electrically connected with the temperature collection meter for analyzing and calculating the quantity of the refrigerants of a current air conditioning system. The device for detecting the quantity of the refrigerants is simple in structure and convenient to operate and measure, and whether the quantity of the refrigerants of the current air conditioning system is proper or not can be conveniently detected.

The invention discloses a power adapter housing assembly, a power adapter, an air conditioner and a dehumidifier. An accommodation space for installing a control plate is formed in the housing assembly; the housing assembly comprises an outer housing and an inner housing disposed in the outer housing; the outer housing is provided with an outer air inlet and an outer air outlet; the inner housing is provided with an inner air inlet and an inner air outlet; the inner air inlet and the outer air inlet are mutually staggered and communicate with each other through an air intake channel formed between the outer housing and the inner housing; and the inner air outlet and the outer air outlet are mutually staggered and communicate with each other through an air-out channel formed between the outer housing and the inner housing. The air-flow channels are formed in the housing assembly so that ventilation and heat dissipation of the power adapter are facilitated; and the housing assembly is provided with the inner housing and the outer housing and the air inlets and the air outlets of the inner housing and the outer housing are mutually staggered so that waterproofing effects are exhibited.

The invention relates to a total-buried transformer station drainage ventilation apparatus, and especially relates to a drainage ventilation apparatus of a total-buried prefabricated box type transformer station. The apparatus comprises water accumulation boxes, water accumulation box covers and landscape ventilating ducts are arranged above the water accumulation boxes, the water accumulation box covers are provided with water discharging holes, the two water accumulation boxes are connected through a drainage pipe, the water accumulation boxes are internally provided with non-return valves, the non-return valves are composed of floating balls and mesh enclosures, the upper ends of the mesh enclosures are provided with rubber sleeves and are connected with a first blower fan pipeline or a second blower fan pipeline through the rubber sleeves, the other end of the first blower fan pipeline is provided with first blower fans, the other end of the second blower fan pipeline is provided with second blower fans, the bottom end of the second blower fan pipeline is provided with a water level gauge, and the water level gauge is connected with the water accumulation boxes through a water pump pipeline. The total-buried transformer station drainage ventilation apparatus is scientific and reasonable, is high in innovation, quite good in ventilation draining performance and high in heat dissipation efficiency, and is safety and reliable in application.

The invention relates to a new type of electric power outlet cabinet, which includes a bracket and an outer cabinet body. An inner cabinet body is nested in the outer cabinet body. The bottom wall of the inner cabinet body is connected to the bottom wall of the outer cabinet body through a plurality of telescopic rods. There are spiral shock-absorbing springs, the upper part of the vertical outer wall of the inner cabinet is distributed with inner cooling holes, the lower part of the vertical outer wall of the outer cabinet is distributed with outer cooling holes, and the upper part of the vertical outer wall of the inner cabinet is provided with A plurality of universal balls, the inner and outer cabinet doors are respectively provided on the front side walls of the inner and outer cabinets, and a plurality of inner and outer outlet holes are respectively provided on the rear side walls of the inner and outer cabinets. A plurality of partitions, the partitions are provided with partition through holes, the lower surface of the top wall of the outer cabinet is provided with a rubber layer, and the lower surface of the bottom wall of the inner cabinet is respectively provided with a vibration sensor, a microcontroller and an alarm. structure, the present invention has good ventilation and heat dissipation performance, and can also effectively prevent electric components from being subjected to hard impacts.

The invention discloses a fireproof ventilation capacitance compensation cabinet, which comprises a cabinet body, wherein the interior of the cabinet body is divided into an upper cabinet body and a lower cabinet body, the front end of the upper cabinet body is provided with an upper cabinet door, and the front end of the lower cabinet body is provided with a lower cabinet door; the cabinet body is provided with a fan; a lightning arrester, knife-fuse switches and current transformers are arranged inside the upper cabinet door, the knife-fuse switches are arranged above the current transformers; miniature circuit breakers, AC contactors, thermal relays and AC capacitors are arranged inside the lower cabinet body; a temperature sensor, a smoke sensor and a fire extinguisher are arranged in each of the upper cabinet door and the lower cabinet body; each fire extinguisher is provided with a spray pipe, the tail end of each spray pipe is provided with a sprayer, and each sprayer is provided with an electromagnetic valve; a controller is arranged inside the cabinet body, and the temperature sensors, the smoke sensors and the electromagnetic valves are electrically connected with the controller; and a storage battery is arranged inside the cabinet body, and the storage battery is electrically connected with the controller. The fireproof ventilation capacitance compensation cabinet has good ventilation and heat dissipation effects, can extinguish fire in the bud, and is high in safety.

The invention provides a fluorescent powder mixture and an LED (Light-Emitting Diode) packaging device with color conversion function and relates to an LED light source, for changing a color temperature, a tone or a color of light emitted by an LED device after being effected by the fluorescent powder mixture. According to the technical scheme, the LED packaging device comprises an LED chip and a colloidal fluorescent powder mixture for packaging the LED chip, wherein the fluorescent powder mixture comprises a reversible thermochromic material. The reversible thermochromic material provided by the invention is diffused in fluorescent powder, so as to prevent the fluorescent powder from depositing in a process of curing the fluorescent powder colloid and take the functions of a dispersing agent and an anti-precipitating agent. An LED lamp has no need of a lamp cover structure, so that the structure of a lamp can be simplified, and the cost is reduced. Furthermore, the front surface of the lamp is beneficial to ventilation and heat radiation of the front surface of the lamp. The fluorescent powder mixture and the LED packaging device have a wide application range in an indoor table lamp, a ceiling lamp, a tube lamp, a wall lamp, an LED lamp tube, a bulb lamp, a panel lamp and even backlight lamp and the like.

The invention relates to a battery box with the excellent performance of ventilation and heat dispersion. The battery box comprises a box and a battery pack arranged in the box, wherein the battery pack is fixed in the box through splints arranged on both sides of the battery pack; angle steel I for fixing the battery pack is connected between the two splints; gaps are reserved among batteries forming the battery pack; two lateral plates, which are perpendicular to a plane where the gaps are positioned, of the box are respectively an air inlet plate and an air outlet plate; an air inlet is formed on the air inlet plate, and an exhaust fan is arranged on the air outlet plate; drainage plates are arranged on the lateral surface, which is opposite to the air inlet plate, of the battery pack; and gaps among the drainage plates correspond to the gaps among the batteries. In the battery box, cold air is inhaled to the box from the air inlet through the exhaust fan, and flows through the gaps among the batteries through the drainage plates to take heat generated by the battery pack away. Through the structure, the batteries can operate under the consistent environment, so that the batteries are consistent, the safety of the battery pack during use is improved, and the service life of the battery pack is also prolonged.

The invention relates to an expandable processing device. The expandable processing device comprises a case with an opening formed in the back. A plurality of first ventilation holes are formed in a front face plate of the case, a plurality of guiding rails arranged at intervals and correspondingly used for inserting different functional business modules are arranged in the case, the length direction of the guiding rails is perpendicular to the front face plate, a bus back plate functionally butting joint with the functional business modules is arranged between the guiding rails and the front face plate, a plurality of second ventilation holes are formed in the bus back plates, the bus back plate and the front face plate are arranged in parallel, an initiative heat dissipation assembly is arranged between the bus back plate and the front face plate and comprises a partition plate, air sucking fans for sucking air outside the case are arranged on the partition plate, and air blowing fans for blowing air into the case are arranged below the partition plate. By means of the guiding rails in the case, relative independence of installing space of the different functional business modules is achieved, electromagnetic interference between the functional business modules is reduced, heat dissipation can be achieved, and according to the front-feeding and front-discharging mode and the bottom-feeding and the top-discharging mode of the initiative heat dissipation assembly, it is guaranteed that devices inside the case can work within the wide temperature range.

The invention discloses fractional-slot concentrated winding permanent magnet synchronous motor and a design method thereof for improving reluctance torque. The fractional-slot concentrated winding permanent magnet synchronous motor comprises a stator and a rotor, wherein the stator is slotted along the peripheral direction to form fault-tolerant teeth and armature teeth arranged alternately; an armature winding is wound on the armature teeth, the fault-tolerant teeth and the armature teeth are different in widths, and the widths of the armature teeth are wider than those of the fault-tolerantteeth; the rotor consists of a permanent magnet, a rotor core and a magnetic obstacle, the permanent magnet is a double-layer permanent magnet, the rotor core is composed of a plurality of independent units, and during machining, the rotor is wrapped with a non-metal material to form a compact structure. The rotor core is segmented along the axis pole direction of the permanent magnet, and the width of the upper part of the magnetic obstacle during segmentation is narrower than that of the lower part. The permanent magnet synchronous motor has the advantages that the direct-axis inductance can be reduced through the special magnetic obstacle design, the influence on quadrature axis inductance can also be reduced as much as possible, and the subharmonic of the motor is free of obvious inhibition. Therefore, the reluctance torque of the motor can be improved effectively, and the iron loss and eddy-current loss of the motor are reduced.

The invention relates to a controller, in particular to a buffering shockproof controller which is high in shockproof performance and long in service life and facilitates ventilation and cooling. The buffering shockproof controller comprises first cushions, elastic pieces, supporting rods, gears, a first driven wheel, a first tie wire, slide rails, slide blocks, a second tie wire, second cushions, a third tie wire, a second driven wheel, rubber cushions, a fourth tie wire, racks, electric push rods, a controller body and a box. The inner rear side wall of the box is connected with the controller body; the first cushions are symmetrically arranged at the inner top and the inner bottom of the box; the first cushions are connected with the elastic pieces; and the tail ends of the elastic pieces are connected with the second cushions. The buffering shockproof controller achieves the effects of high shockproof performance, convenient ventilation and cooling and long service life and is simple in structure and low in manufacturing cost.

The invention relates to an electromagnetic shielding technology. The invention discloses an electromagnetic shielding cover which comprises a dielectric substrate and conductive bands attached to the two faces of the dielectric substrate. Each conductive band is provided with a slotted structure, and through holes are formed in the dielectric substrate in the areas defined by the conductive bands. The conductive bands are divided into n sections, each section of the conductive band is provided with a closed loop, and gaps exist between the conductive bands, wherein n is an integer, and n >= 2. The beneficial effects of the invention are that the double-layer conductive bands and the slotted structure are adopted, so the electromagnetic wave shielding effect is improved, and when electromagnetic waves are emitted in different polarization modes and angles, quite high shielding efficiency can be achieved in a large bandwidth. The working frequency of the structure can be adjusted to a certain extent by segmenting the conductive bands and adjusting the size of medium holes, and the design flexibility is improved. In addition, through the medium holes, the structure is enabled to have good ventilation and heat dissipation effects. The cover is particularly suitable for shielding requirements of 5G communication related equipment, thereby facilitating improvement of equipment performance.

The invention discloses an LED display device and an LED display screen case body. The LED display device comprises at least one LED unit board, a signal wire, a power wire and an earth wire; the LED unit board comprises a PCB, a plurality of groups of LEDs, at least two single-wire drive control chips and at least one connection part; each group of LEDs are arranged on the first lateral surface of the PCB, and each single-wire drive control chip is arranged on the second lateral surface of the PCB; each single-wire drive control chip is only provided with a signal input interface and a signal output interface, and the single-wire drive control chips are serially cascaded only through one control signal wire; the connection part is used for connecting the corresponding connection parts of other LED unit boards and fixedly arranged on the PCB; and the signal wire, the power wire and the earth wire are printed on the PCB respectively, and the adjacent wires are distributed in equal distance.

The invention relates to a succulent planting greenhouse which comprises a plurality of arch-shaped structures arranged in single rows, inner-layer plastic films and outer-layer plastic films. The inner-layer plastic films and the outer-layer plastic films are arranged on the arch-shaped structures, each arch-shaped structure comprises a lower arch-shaped beam located on the lower side and an upper arch-shaped beam located above the lower arch-shaped beam, and an arch-shaped through hole is formed between each upper arch-shaped beam and the corresponding lower arch-shaped beam. A plurality of connected connecting rods are evenly arranged on the inner edges of the upper arch-shaped beams of the adjacent arch-shaped structures, and the connecting rods are sleeved with a plurality of rollers. The inner-layer plastic films are arranged in the arch-shaped through holes, the outer-layer plastic films are arranged on the upper sides of the upper arch-shaped beams, and the rollers are provided with heat preservation layers capable of sliding on the rollers. End walls are arranged on the arch-shaped structures at the two ends, a draught fan is arranged on one end wall, and a water curtain is arranged on the other end wall. The succulent planting greenhouse has the advantages of being good in heat preservation effect and smooth in ventilation.

The invention relates to a wind power generation device with the protective function. The wind power generation device comprises a base, a tower frame, an engine room, a wheel hub and a plurality of fan blades; a power generation device comprises a speed-increasing gearbox, a first electric generator, a reducing mechanism and a plurality of heat dissipating mechanisms; the reducing mechanism comprises a circular ring, a support component, a plurality of convex plates, a plurality of convex teeth and a plurality of air cylinders; each of the heat dissipating mechanisms comprises a heat dissipating pipe, a cover plate, a filter screen, a driving component, a telescopic component, a second electric generator and a gear; and the telescopic component comprises a bracket, a sliding plate, a movable plate, a spring and a limiting unit. Through cooperative operation of the reducing mechanism and the heat dissipating mechanisms, the wind power generation device can reduce the rotary speed of agear when the wind power is stronger and does work to the second electric generator through gear rotation for additional power generation; and at the same time, the cover plate is separated from the the heat dissipating pipes, so that the engine room can conveniently carry out ventilation and heat dissipation, and the wind power generation device generates electricity in a safe, stable and efficient manner to improve the practicality of the wind power generation device.

The invention relates to a dry hanging type photovoltaic curtain wall which mainly solves the problems of inconvenience in disassembly and maintenance, high cost and low power generation efficiency of a photovoltaic component integrated with a building in the prior art. The curtain wall comprises the photovoltaic component, and a fixed bracket formed by vertical columns and a beam; the upper edge and the lower edge of the photovoltaic component are respectively provided with two hanging mechanisms, each of which comprises a press block and a first hanging piece; the press block and the first hanging piece are respectively arranged on the two lateral sides of the edges of the photovoltaic component; the press block is fixed with the first hanging piece; the edge of the photovoltaic component is clamped between the press block and the first hanging piece; a second hanging piece corresponding to the first hanging piece is arranged on the fixed bracket; the first hanging piece is hung on the second hanging piece; and the photovoltaic component is connected onto the fixed bracket. The dry hanging type photovoltaic curtain wall provided by the invention has the advantages as follows: the photovoltaic component employs the hanging form and is quick in installation, convenient in maintenance and replacement, simple in structure and low in manufacturing cost; and the curtain wall adopts an opened structure, and the photovoltaic component is good in ventilating and radiating performances.

The invention provides an air cooling system of an electromagnetic heating temperature-control system. The air cooling system includes a heat radiation portion comprising heat conduction strips, a radiating fin and an air channel, and a wind power source. The heat conduction strips are at least two with length directions perpendicular or nearly perpendicular to a winding direction of an electromagnetic coil of the electromagnetic heating temperature-control system, and each are provided with a striped structure in close contact with an outer wall of a temperature-control object of the electromagnetic heating temperature-control system. The air channel is formed between the radiating fin and the outer wall of the temperature-control object and/ or other parts of the heat radiation portion. An outlet of the wind power source is connected to an inlet of the air channel. The air cooling system and the electromagnetic heating temperature-control system using the air cooling system minimize leakage flux, improve heating efficiency and heat radiating efficiency, prevent vortex in air-cooled structural components, and achieve the purposes of stable temperature control and efficient energy-saving.

The invention discloses a traditional Chinese medicine for treating skin diseases and a preparation method thereof, which pertain to the technical field of Chinese medical pharmaceutical technology. The traditional Chinese medicine comprises 9 to 11 portions of kuh-seng, 9 to 11 portions of cyrtomium fortunei, 9 to 11 portions of honeysuckle, 9 to 11 portions of chrysanthemum, 4 to 6 portions of cicada skins, 4 to 6 portions of fresh licorice, 4 to 6 portions of fructus xanthii, 2 to 4 portions of amoorcorn tree bark and 2 to 4 portions of fructus kochiae, wherein the mixture ratio of the components is weight ratio. The preparation method of the traditional Chinese medicine is vinegar processing method. The traditional Chinese medicine has the functions of clearing heat and drying damp, clearing away heat and toxic materials, cooling blood, dispelling wind and removing heat, removing damp and relieving itching and has great treatment effect on the skin diseases such as whelk, eczema, skin itch, psoriasis, purpura, dermatophytosis, lupus sebaceus and the like, is the good medicine for treating skin diseases and can be used for treating the skin diseases.

The invention discloses an intelligent low-voltage integrated distribution box, include an outer case, An upper surface of that out box body is provided with a protective device, The left side surfaceand the right side surface of the outer box body are provided with evenly distributed ventilation holes, the side surface of the outer box body corresponding to the ventilation holes is provided withan arc plate, the lower surface of the outer box body is provided with a dust removing device, the inner upper end surface and the lower end surface of the outer box body are provided with a third shock absorber, and the third shock absorber is fixedly connected with the inner box body at one end away from the outer box body. The intelligent low-voltage integrated distribution box, the position of the mounting plate can be adjusted and fixed, easy to adjust the position of the electric device, The utility model can effectively improve the space utilization rate of the inner box body, can alsoprotect the outer box body through the protective device, and can improve the shock absorption effect of the inner box body through the third shock absorber, and can improve the dust removal and heatdissipation effect of the whole distribution box through the dust removal device, thereby prolonging the service life of the distribution box and being convenient to use.

The invention relates to a multi-rotor smoke-type plant protection drone, which belongs to the field of agricultural plant protection drones. It mainly includes a center plate, an arm and a tripod; an arm is installed around the center plate, one end of the arm is installed on the center plate through a connecting piece, and the other end is provided with a motor base and a propeller. There is a motor that can drive the propeller; a battery and a GPS antenna are arranged on the upper surface of the center plate, and the battery supplies power to the motor at the end of the machine arm; a fog machine system is provided on the tripod, and the fog machine The system includes carburetor, chimney, fuel tank and medicine box. The carburetor is provided with start button, emergency stop button and oil suction button; the chimney is installed on the carburetor, and the fuel tank is connected to the carburetor through the oil pipe The oil inlet on the carburetor is connected, and the drug box is connected with the drug inlet on the carburetor through the drug pipe. The beneficial effects of the invention are: good plant protection operation effect, solving the problem of fruit tree plant protection; saving water and medicine, and good environmental protection benefits.

The invention relates to a convenient-for-heat radiation new energy automobile motor having the cleaning function. The motor comprises a casing and a rotation shaft, wherein two ends of the rotation shaft are provided with multiple cleaning mechanisms, the casing is internally provided with two ventilation mechanisms, the ventilation mechanisms comprise ventilation pipes, filters, blocking plates,moving rods, rotary tables, transmission assemblies and two touch assemblies, the transmission assemblies comprise first cylinders, first pistons, curved plates, connection rods, gas pipes, second cylinders and second pistons, and the cleaning mechanisms comprise cleaning plates, first springs, two positioning units and multiple hairbrushes. The new energy automobile motor is advantaged in that the filters are prevented from absorbing dusts through the ventilation mechanisms when the motor is idle, the blocking plates are automatically moved away after the motor starts, heat radiation and ventilation of the ventilation pipes are convenient, in the high speed rotation process of the rotation shaft, the cleaning plates are away from the rotation shaft in the rotation process, the surface ofthe filters is cleaned through the airbrushes, the heat radiation and ventilation effects of the casing are further guaranteed, and practicality of the motor is improved.

The invention relates to a multi-in-one cultivation simple building for China wood frog. Said simple building comprises building body, roof and pool inside room; the lower building body is complete closed, the upper building body is provided with pillar on lower building body, and is circled with sun-shading net around pillar, the outside of sun-shading net is equipped with movable curtain; the roof is straw roof and has two sides along ridge; the pool inside the room comprises cultivation pool and laying-up basin, each cultivation pool is provide with a overflow bench, the bench surface is equipped with a cushion and the cushion is fixed on slope bench with a plurality of bracing column of same height, and a bamboo curtain is placed on the bracing column for young wood frog rest. The said multi-in-one employs cultivation technique of supporting facilities of temperature control, humidity control, disinfection and bait feed in one cultivation pool, and finishes whole courses of oviposition, hatching, polliwog coming out of film, and young frog growth into product frog and hibernation. The survival rate is above 80%, adult frog can be sold in the same year, the investment is saved and cultivation scale can be enlarged.