800results about How to "To achieve cooling effect" patented technology

The invention provides a mobile terminal. The mobile terminal provided by the invention comprises a hollow shell, wherein a sound outlet hole is formed in the shell, a heat source part, a heat conduction device and a loudspeaker are arranged in the inner chamber of the shell, the loudspeaker pushes air to flow through sound vibration of a sound signal, a front sound outlet cavity is formed in the front wall of the shell, the two ends of the front sound outlet cavity are opened, an opening in one end of the front sound outlet cavity is opposite to the sound outlet position of the loudspeaker, an opening in the other end of the front sound outlet cavity is communicated with the sound outlet hole, one end of the heat conduction device is connected with the heat source part, and the other end of the heat conduction device is located in the front sound outlet cavity to conduct heat produced by the heat source part to air in the front sound outlet cavity. The mobile terminal utilizes the air flow produced in the sound production of the loudspeaker in the mobile terminal to dissipate heat.

The present invention discloses an electronic device with a fan speed control function and a control method thereof. The electronic device with the fan speed control function at least comprises an air inlet, an air outlet, a heating assembly, a fan, a sensing module and a control module, wherein the sensing module is also provided with a first sensing assembly which is arranged at the air inlet so as to detect a first temperature at the air inlet, and a second sensing assembly which is arranged at the air outlet so as to detect a second temperature at the air outlet. The difference between the first temperature and the second temperature is determined according to an equation of the control module so as to adjust the rotation rate of the fan. The device utilizes the sensing assemblies, which are respectively arranged at the air inlet and the air outlet, to achieve the compensation of the fan speed, improve the heat elimination effect, and reduce the noise during using.

The invention discloses a communication base station energy saving device, a system for controlling the energy saving device, and a control method of the system, comprising an air inlet system, an exhaust system, an air-conditioning system, an indoor and outdoor temperature sensor and an indoor and outdoor humidity sensor, wherein the air inlet system and the exhaust system respectively comprise a shell, a fan arranged in the shell, an air duct and an air pipe which are arranged on the shell, a protecting cover positioned on the shell, and a filter arranged between the protecting cover and the fan; the air inlet system and the exhaust system are arranged on the wall of a communication base station; the air pipe of the air inlet system extends into the communication base station; the air pipe of the exhaust system extends outside the communication base station; the air-conditioning system is arranged in the communication base station; and the indoor and outdoor temperature sensor and the indoor and outdoor humidity sensor are respectively arranged inside and outside the communication base station. After being purified and treated, the outside cold air is led into a machine room of the base station by intelligent control, so that the hot air in the base station is discharged, the indoor air-cooling temperature reduction is realized, and the energy consumption of the base station is reduced.

The present invention discloses a cabinet cooling system for servers of a cloud computing computer room. The cabinet cooling system comprises a closed cabinet; the cabinet is used for placing server chassis; Hot air exhaust pipes are arranged at one sides of the server chassis and cold air boxes are arranged at the other sides of the server chassis; an air conditioning cold wind outlet is connected with a cold wind flow pipeline; the cold wind flow pipeline is connected with a plurality of cold wind conveying pipes by a cold wind flow dividing apparatus; the cold wind conveying pipes are connected with the cold air boxes; electromagnetic control valves are arranged on all the cold wind conveying pipes; a unidirectional centrifugal fan is arranged on the cold wind flow pipelines; a wind inlet frequency converter is mounted on the unidirectional centrifugal fan; a hot air fan is arranged at the upper part of the cabinet; a wind outlet frequency converter is arranged on the hot air fan; and the signal input ends of the wind inlet frequency converter, the wind outlet frequency converter and the electromagnetic control valves are all connected with a controller. The cabinet cooing system has a simple structure, is convenient and rapid to mount, efficiently solves the problems of overheated local parts and hot spots of the servers, has good radiating and cooling effects and ensures safety and reliability of operation of the servers.

Disclosed is a solid gel cushion. The solid gel cushion includes at least one first elastic quadrilateral body with four elastic side walls, wherein the bottom surface and the top surface of each first elastic quadrilateral body are open. A second elastic quadrilateral body with four elastic side walls is connected to the four elastic side walls of each first elastic quadrilateral body. Two elastic supporting ribs staggered in a crossed way are formed in the second elastic quadrilateral body. The bottom surface of the second elastic quadrilateral body is a closed surface and the top surface of the second elastic quadrilateral body is open, which allows each first elastic quadrilateral body to be surrounded by four second elastic quadrilateral bodies. When a user sits or lies or leans on the top surface of the solid gel cushion, the top surface of each second elastic quadrilateral body is sealed by the user's body. The air in each second quadrilateral body is compressed to allow the pressure to become high and the volume to expand, which results in that the four side walls of each second elastic quadrilateral body expand to the inner space of each first elastic quadrilateral body, thereby realizing support effect. The inner space of each first elastic quadrilateral body is reduced and the air is discharged through a hollow channel of the space of each first elastic quadrilateral body, thereby realizing heat dissipation effect.

The invention relates to a light emitting diode lamp with functions of heat convection and heat conduction and a heat radiation module thereof. The heat radiation module comprises a lamp shell with a plurality of holes in pattern, and a light source surface covering plate arranged at one end of the lamp shell. The light source surface covering plate comprises a plurality of through holes through which a light emitting diode light source can pass, and an outside opening. The outside opening is provided with a metal heat racking pipe extending towards the inside of the lamp shell. When the light emitting diode emits light to rise the ambient temperature, as the density of the hot air of the outside opening is lower, a relative pressure is generated by the cold air which is at an inside opening opposite to the other end of the heat racking pipe and has a higher density, so the hot air continues to flow inwards the lamp shell along the heat racking pipe, enters the lamp shell and then is dispersed from the holes in pattern. Therefore, the invention enhances the heat conduction and generates the heat convection by taking advantage of the metal heat racking pipe so as to achieve good heat radiation effect.

The invention provides a multifunctional geotechnical model testing system and method and relates to a geotechnical model testing system and method, aiming at solving the problem that an existing model box cannot simulate conditions of a temperature field. The multifunctional geotechnical model testing system comprises an outer framework, the model box, a rainfall simulation mechanism, a refrigerating mechanism, a heating mechanism and a data acquisition system, wherein the model box is mounted on the outer framework; a water outlet of the rainfall simulation mechanism is arranged at the top of the model box; the refrigerating mechanism and the heating mechanism can provide environment temperature to the model box; the data acquisition system is used for acquiring frozen soil working condition indexes in the model box. The method comprises the following steps: 1, determining the size and the model similarity ratio of the model box and the length and the slope ratio of a roadbed model;2, preparing a soil body material for simulation; 3, establishing a corresponding simulation procedure; 4, acquiring and displaying data. The multifunctional geotechnical model testing system and method are used for a frozen soil test.

The invention discloses a swing type room temperature magnetic refrigeration machine, which comprises a permanent magnet magnetic field source system, a magnetic working medium turntable system, a fluid heat exchange system and a motion control system, wherein the motion control system controls a turntable box of the magnetic working medium turntable system to rotate so as to drive a magnetic working medium to get in or get out a magnetic field space; the magnetic working medium positioned in the magnetic field space is magnetized to release heat; heat transmission fluid flows towards a hot-end heat exchanger so as to transmit the heat produced by the magnetic working medium to the hot-end heat exchanger; the hot-end heat exchanger transmits the heat to a high temperature space; the magnetic working medium which is not positioned in the magnetic field space is demagnetized to absorb heat; the heat transmission fluid flows towards a cold-end heat exchanger; and the magnetic working medium absorbs the heat from a low temperature closed space through the fluid and the cold-end heat exchanger, so that a refrigeration effect at room temperature can be achieved and the structure of the magnetic refrigeration machine is simplified. The swing type room temperature magnetic refrigeration machine has the advantage of simple structure of a reciprocating room temperature magnetic refrigeration machine and the advantage of high efficiency of a rotary room temperature magnetic refrigeration machine.

A small and medium frostless refrigeratory for keeping fresh of farm and sideline products is provided, which comprises a refrigeration compressor unit (1), a vaporize comb (2) and a reducing valve (3). The vaporize comb (2) is communicated with the refrigeration compressor unit (1) to form circulation, which is provided with the reducing valve (3); the vaporize comb (2) is arranged in a shallow pool (5) at bottom of a refrigeratory (4); the shallow pool (5) is internally provided with secondary refrigerant. The refrigeratory (4) is also internally arranged with a circulating pump (6) and a cascade device of a shower (7). The refrigeration compressor unit (1) sends the refrigerant to the vaporize comb (2) through the reducing valve (3) and the refrigerant can return to the refrigeration compressor unit (1) after absorb heat; the circulating pump (6) sends the secondary refrigerant to the shower (7) to spray in the refrigeratory (4). The invention is characterized in that: the cold volume is completely exchanged in the refrigeratory, so the invention has no dissipation and lose, large cold volume storage and is able to maintain a relative constant temperature of the refrigeratory, thereby reducing the times for opening and closing the refrigeration compressor, saving energy, prolonging the service life of the equipment, having no forest and high humidity, etc.

The invention relates to the field of storage batteries, in particular to a cooling device of a storage battery of an electric vehicle. The cooling device comprises an inner housing equipped with a storage battery body as well as an outer housing, wherein a heat conducting copper plate is laid on the inner surface of the inner housing; a temperature sensor and a central processing unit are arranged on the inner surface of the heat conducting copper plate; an S-shaped wound heat conducting copper tube is uniformly laid on the outer wall of the inner housing, space outside the heat conducting copper tube is filled with heat conducting filler; the heat conducting copper tube is filled with a coolant; two ends of the heat conducting copper tube are communicated with a water inlet and a water outlet of a low-temperature coolant circulating pump respectively; the central processing unit are electrically connected with the temperature sensor and the low-temperature coolant circulating pump. Cooling is performed layer by layer through the heat conducting copper plate, the inner housing, the heat conducting copper tube, the heat conducting filler, the outer housing and cooling fins from inside to outside, auxiliary cooling can be performed at a high temperature by means of the external low-temperature coolant circulating pump, an irreplaceable cooling effect is realized, and the cooling device is more energy-saving and more environment-friendly by means of matched control of the temperature sensor and the central processing unit.

The invention relates to the technical field of photovoltaic microgrid, and discloses a switchgear for photovoltaic microgrid with heat dissipation function, including a cabinet body and a base, the top of the cabinet body is fixedly connected with a top plate, and the top of the cabinet body is connected with a A through pipe, the top of the through pipe runs through and extends to the top of the top plate, the top of the through pipe is fixedly communicated with an exhaust device located on the top of the top plate, the exhaust device includes a fixed plate, and the outer side of the fixed plate is fixed Blades are connected, and bearings are fixedly connected to the bottom of the blades. The photovoltaic microgrid switchgear with heat dissipation function, through the setting of the exhaust device, uses the natural wind speed of nature to drive the turbine to rotate, and uses the centrifugal force and negative pressure effect to convect the air inside and outside the cabinet, which can quickly discharge the hot air inside the cabinet. The effect of heat dissipation is achieved, and the exhaust device does not need electricity, has no noise, and can run for a long time, thereby achieving the effect of energy saving and environmental protection.

The invention relates to a dissolving heat absorption type chemical heat pump which comprises an evaporator, a condenser, a reactor, an air compressor, a solid-liquid separator, a circulating heat exchanger and a hot-end heat exchanger, wherein a cold-end heat exchange pipe of the evaporator is communicated with cold-end user media; a conveying pipe connected with the evaporator is communicated with more than two liquid distribution pipes arranged on the upper part of the reactor by virtue of a circulating pump respectively through the condenser, the circulating heat exchanger and a conveyingcoupling pipe, and a plurality of liquid outlets are arranged on each liquid distribution pipe; a vapor pipe arranged on the top of the reactor is connected with the evaporator respectively through the hot-end heat exchanger, the air compressor, the reactor, a backflow coupling pipe, the circulating heat exchanger and a backflow pipe;; the hot-end heat exchanger and hot-end user medium are communicated; the bottom of the reactor is communicated with the condenser; the solid-liquid separator is arranged between the bottom of the condenser and the top of the evaporator; and a return liquid portof the solid-liquid separator is communicated with the reactor by virtue of a return liquid pipe. The chemical heat pump provided by the invention has the advantages of simple structure, stable heat exchange efficiency, and low use-cost.

The invention discloses a cold and hot exchange device, which comprises a refrigerating chip with a hot end face and a cold end face which are opposite, a first conduction module and a second conduction module, wherein the first conduction module comprises a pedestal, two or more superconducting pipes and two or more first fins; the pedestal is jointed to the hot end face of the refrigerating chip, the superconducting pipes are fixed on the pedestal, superconducting liquid is filled in the superconducting pipes, the superconducting liquid performs one-way energy transfer in a mode of molecular collision, and the first fins are sleeved on the superconducting pipes; and the second conduction module comprises a water-cooled seat jointed to the cold end face of the refrigerating chip, a water-cooled bar arranged on the side of the water-cooled seat, a connecting pipe for connecting the water-cooled seat and the water-cooled bar and a water pump arranged on the connecting pipe. When the cold and hot exchange device is applied, required refrigerating or heating effect can be achieved.

The invention relates to the technical field of intelligent information acquisition, and discloses an automatic cleaning dustproof device for an intelligent acquisition terminal. The automatic cleaning dustproof device comprises a shell, wherein the shell is a rectangular hollow box; an image acquisition device is fixedly installed inside the shell; a front baffle is fixedly installed in the frontof the top end of the shell, and the front baffle is an arc-shaped plate; a front frame is fixedly mounted in the front of the shell, and the front frame is a rectangular frame; a glass plate is fixedly arranged at the middle hollow position of the front frame; and the bottom ends of the two side surfaces of the shell are respectively provided with a row of drainage holes. According to the automatic cleaning dustproof device for the intelligent acquisition terminal, an elastic connecting rope is pulled downwards by a water blocking plate, when the elastic coefficient of the elastic connectingrope is greater than the adsorption force between a reverse magnetic plate and a fixed magnetic plate, the elastic connecting rope can pull a sponge plate downwards to enable the sponge plate to slide downwards, the sponge plate sliding downwards can rub with the glass plate to clean the outer surface of the glass plate, the glass plate can be automatically cleaned through rainwater collection, and therefore, the outer surface of the glass plate cannot be stained with stains, so that the definition of a collected picture is ensured.

The invention discloses synthetic leather for flame retardant, insulating, cooling, sun protecting and waterproof tarpaulins and a preparation method of the synthetic leather. The synthetic leather comprises a surface layer, a cooling layer, a heat-reflecting layer, an intermediate layer and a matrix layer, the surface layer has the function of waterproofing, sun protecting and ultraviolet light shielding, the cooling layer has the function of heat insulation and cooling, the heat-reflecting layer can reflect the near infrared light in the band of solar light to achieve heat reflection, the effect of flame retardancy can be realized in the intermediate layer, and the matrix layer has good flame retardancy and the capacity to reflect sunlight. The synthetic leather has the multiple functions including flame retardancy, heat insulation and cooling, sun protecting and waterproofing, the sun protecting and heat insulation functions are shared by a multi-layer structure, shortcomings and defects of poor effect of flame retardancy, heat insulation, sun protection and the like of existing tarpaulins are overcome, and wide application field is achieved; the preparation method has the advantages of low energy consumption and easy realization, and is beneficial to large-scale production of the synthetic leather for the flame retardant, insulating, cooling, sun protecting and waterproof tarpaulins.

The invention provides a vibrating fan which comprises a base, an electromagnetic-type actuator and a fan blade. The electromagnetic-type actuator is arranged on the base and comprises a movable magnetic element and a fixed magnetic element, the movable magnetic element can be in reciprocating motion relatively to the fixed magnetic element, and the fan blade is connected to the movable magnetic element. Reciprocating motion of the movable magnetic element is utilized to drive the fan blade to vibrate so as to disturb air flow, so that heat-dissipating effect is achieved.

The invention provides safe and drop-resistant charging equipment, and relates to the field of charging equipment. The safe and drop-resistant charging equipment comprises an outer shell, wherein a buffer plate is arranged in the outer shell, a charging body is inserted to the top of the buffer plate, a USB interface is fixedly arranged in the top of the charging body, the top of the USB interfacepenetrates through the top of an inner wall of the outer shell and extends to an upper side of the outer shell, fixed blocks are fixedly arranged at two sides of the bottom of an inner wall of the outer shell, and a cross rod is fixedly arranged at one side, near to the inner wall of the shell, of each fixed block. In the safe and drop-resistant charging equipment, a sliding sleeve is driven to extrude a first buffer spring by a buffer plate connection rod, so that the first buffer spring generates a counter-acting force, an effect of shock absorption of the charging body during vertical vibration is achieved, an effect of drop resistance is achieved, the charging equipment is prevented from dropping to ground to cause damage to internal equipment and affect the application performance and lifetime of the charging equipment.

The invention provides an electromagnetic refrigerating refrigerator, and belongs to household appliances; the refrigerator comprises a shell, a metal circulating pipeline section is arranged on the shell, a part of the circulating pipeline is arranged at the interior of the shell, and the other part of the circulating pipeline is arranged on the exterior of the shell; the external part of the shell is composed of an iron tube, the internal part of the shell is composed of a copper pipe or an aluminum pipe, the circulating pipeline is filled with a magnetic fluid, and the circulating pipeline is connected with a circulating pump in series; the circulating pipeline arranged on the exterior of the shell is wound with a solenoid, and a heat dissipation gap is left among circles of wires in the solenoid; and the refrigerator provided by the invention has the advantages that the refrigerator utilizes a magnetic refrigeration principle to refrigerate, the refrigerator has no refrigeration noise, the stoppage is not easy to occur, the volume is small, and the magnetizing efficient is high.

The invention provides an LED (Light-Emitting Diode) lamp. An LED substrate and an LED light source of the lamp are sealed in a first sealing cavity formed by the inner surface of an inner seal cover and the top of the substrate, heat dissipation liquid is filled in a second seal cavity formed by the inner surface of an outer light distribution cover, the outer surface of a substrate seat and the outer surface of the inner seal cover, and the inner seal cover, the outer light distribution cover or the heat dissipation liquid is provided with fluorescent powder. Heat generated by light emitting due to PN junction excitation is quickly transferred to the heat dissipation liquid through the substrate in tight connection with the LED substrate, light emitted by the PN junction excitation is directly transferred to the heat dissipation liquid through heat generated by required light transformed by fluorescent powder, and through the convection of the heat dissipation liquid, heat is transferred to the light distribution cover to achieve the heat dissipation effect. The heat generated when the LED lamp is in operation is dissipated through two ways, so that the heat dissipation effect is improved, and the service life of the LED lamp is favorable for being prolonged.

The invention discloses a solar cell panel temperature adjusting and controlling device, belonging to the field of photovoltaic cell panel temperature control. The solar cell panel temperature adjusting and controlling device is characterized in that a phase change material box body is welded and connected with a device shell, and a tempered glass plate is placed at the upper port of the device shell; two long side faces of the device shell are welded with outside radiating ribs; and a solar cell panel base plate is welded with the phase change material box body, an inside needle rib is welded on the solar cell panel base plate, and a phase change material and a thermal diode material are respectively injected into the temperature adjusting and controlling device by forming a heat storage material injection hole and a thermal diode material injection hole. The solar cell panel temperature adjusting and controlling device disclosed by the invention has the advantages that the heat transfer characteristic of a phase change heat storage material is strengthened, and the overall heat conducting property of the device is enhanced, so that the heat dissipation effect of a solar cell panel working under a high temperature condition is achieved, the normal working temperature of the solar cell panel is maintained, the service life of the solar cell panel is prevented from being shortened due to over temperature and heat, the generating efficiency can not be lowered, the influence of a low-temperature environment on the solar cell panel and the tempered glass plate is weakened, and the frost crack is prevented.