82results about How to "Improve cooling performance" patented technology

The invention provides a low-temperature refrigerating control method of an air conditioner and the air conditioner. By the adoption of the low-temperature refrigerating control method of the air conditioner and the air conditioner, the technical problem that an air conditioner cannot conduct refrigeration continuously under a low-temperature condition is solved. The control method comprises the following steps that when the air conditioner conducts refrigeration, the outdoor environment temperature is detected; whether the detected outdoor environment temperature is lower than a set temperature threshold value or not is judged; and if so, the operation frequency of a compressor of the air conditioner is lowered to be within a preset frequency range, and the superheat degree of the air conditioner is increased by preset degrees. According to the air conditioner adopting the control method, the effect that an indoor heat exchanger cannot enter a freeze protection mode at the low temperature is guaranteed, the indoor heat exchange capacity is improved, and then the refrigerating capacity is improved; in addition, continuous operation of the compressor is achieved, and the technical effect of continuous refrigeration is achieved at the low temperature.

An assembly structure for LED fixture includes a cooling body, a thermally conductive body and an LED module. The cooling body includes a cylinder, a center of which has a central hole; the thermally conductive body is arranged an opening and a plurality of sectional grooves, each of which is elastically deformed to make the thermally conductive body forcedly arranged into the central hole and thermally contacted with the cylinder; the LED module is connected by passing through the opening of the thermally conductive body and includes a seat body, an LED fixed to the seat body and a thermally conductive piece fitted onto the seat body and thermally contacted with the thermally conductive body; thereby, they are easily placed into the central hole of the cooling body with a capability to achieve effects of close combination and excellent contact between each constituent components.

A gas turbine vane includes a sidewall having a plurality of film holes formed therein and defining an airfoil having a leading edge and a trailing edge, a cut-back formed at the trailing edge of the airfoil defined by the sidewall, an insert spaced apart from an inner surface of the sidewall and installed within the sidewall while having a plurality of insert holes formed therein, and a plurality of posts extending from the sidewall. The plurality of insert holes are formed in a plurality of rows, the insert holes of each row are arranged at a distance from the leading edge to the trailing edge, and a surface of the insert is positioned on the posts.

The invention belongs to the technical field of standby power source systems of mobile phone signal substations, and particularly relates to a metal hydride hydrogen storage and fuel cell combination system. The combination system comprises a fuel cell system, a metal hydride hydrogen storage system and a water electrolysis hydrogen production system. A metal hydride hydrogen storage tank is arranged in a heat exchange chamber communicated with an exhaust pipeline. When a fuel cell works, the metal hydride hydrogen storage tank heats hydrogen storage alloy powder through hot air exhausted out of the fuel cell to release hydrogen, it is guaranteed that the hydrogen storage alloy powder is located in an effective hydrogen releasing temperature area, and therefore the effective hydrogen releasing amount is made to be the maximum. After hydrogen is introduced into the heat exchange chamber and air cooled by the hydrogen storage alloy powder is fully mixed with fresh air, the air is cyclically provided for the fuel cell, and therefore the cooling performance of the fuel cell can be improved. The method is not limited to an air cooling type fuel cell system, and can be applied to a water cooling type fuel cell system.

The invention relates to a pressure sensing device, a pressure sensing method and a heat dissipation device for an electronic device. The pressure sensing device for the electronic device comprises a pressure sensing unit, a control unit and a warning unit, wherein the pressure sensing unit is arranged in the electronic device for detecting fluid pressure in the electronic device to generate a pressure signal; the control unit is coupled to the pressure sensing unit for judging the variation condition of the fluid pressure in the electronic device and generating a control signal according to the pressure signal; and the warning unit is coupled to the control unit for outputting a warning signal to execute a warning function according to the control signal. The pressure sensing device, the pressure sensing method and the heat dissipation device can effectively improve the heat dissipation efficiency of the electronic device, enhance the working stability of the electronic device better and prolong the service life of internal components in the electronic device. The atmospheric pressure value of the service environment can also be detected through the pressure sensing unit, and the optimal working efficiency of the electronic device can be brought into play by timely executing a proper heat dissipation procedure.

The present invention provides an induction heating cooker having a cooling mechanism for heating metal cooking pot by supplying high frequency current to heating winding, a circuit substrate capable of cooling the induction heating cooker in high frequency with low blast volume and a heating winding arranged upside of the same, and kitchen condition supplying low noise. The invention comprises a heating winding arranged under the top plate for heating the cooking pot; a circuit substrate for supplying high frequency current to the heating winding; a fan device for supplying cooled air; a liquid cooling system having heat exchanger operating heat exchange with said electronic member of said circuit substrate with liquid and air; and air passage guiding the air supplied to said circuit substrate from said fan device to at least said heat exchanger.

A power converter includes a power semiconductor module, a first flow path forming body and a second flow path forming body that forms a housing space for storing the power semiconductor module and the first flow path forming body, in which the first flow path forming body is configured of a first side wall section, a second side wall section, and a bottom surface section, the first side wall section forms a first flow path space between one surface of the power semiconductor module and the first side wall section, the second side wall section forms a second flow path space between the other surface of the power semiconductor module and the second side wall section, and cooling refrigerant flows through the housing space, the first flow path space, and the second flow path space.

A heat-transferring member is mounted on one side of a circuit board. A heat sink is arranged farther away from the circuit board than the heat-transferring member in the thickness direction of the circuit board. The heat sink has a plurality of fins each extending in the direction of the circuit board and separated from each other by a space. Also, the heat sink includes a support portion extending in the direction of the plurality of fins and supporting the plurality of fins. A plurality of heat pipes is connected to the heat-transferring member and separated from each other by a space, each extending in the thickness direction of the circuit board and connecting to the support portion.

A system and method for controlling bleed air flow into an air cycle machine that includes a bleed air inlet and a conditioned air outlet is provided. The system and method include discharging bleed air from an operating gas turbine engine, sensing exhaust gas temperature (EGT) of the gas turbine engine, sensing conditioned air temperature at the conditioned air outlet, and controlling bleed air flow into the air cycle machine based on the sensed EGT and on the sensed conditioned air temperature.

A vehicle rotary electric machine includes a rotor, a stator having a stator core and a stator winding mounted in the stator core and a pair of frames for supporting the rotor and the stator. The stator winding has a plurality of conductor segments coated with insulation film. Each of the conductor segments has segment ends that are circumferentially aligned and form tow or more rings. The segment ends that contact each other are welded and form joints of winding that have a bare surface. Therefore, electrolyte or foreign particles are prevented from staying at otherwise deteriorated insulation film.

The present invention provides a housing of a rotating motor, which realizes improved cooling performance. The housing (1) of the rotating motor is configured at an outer peripheral side of a stator of an inner rotation type rotating motor, wherein, the housing is internally provided a cooling passage (2) in which cooling fluid can circulate in a circumferential direction. An inner wall surface (15) at the inner peripheral side of the cooling passage (2) is provided with a plurality of heat radiating sheets (16) that project in a radial direction. In the plurality of heat radiating sheets (16), the radial length of the heat radiating sheet (16) which is configured at an axial central part is larger than that of the heat radiating sheets (16) that are configured at axial ends. The outer peripheral surface (12a) of the housing (1) is provided with a maximal outer diameter part (14) with a maximal-radial-dimension at an axial position which corresponds with a maximal-outer-diameter heat radiating sheet (16a). The radial dimension of the outer peripheral surface (12a) of the housing (1) enlarges gradually from the axial ends to the maximal outer diameter part (14) of the housing (1).

Disclosed herein is a cooling fin, which is excellent in cooling performance and is simply manufactured, a package substrate comprising the cooling fin, and a manufacturing method thereof. Fireable paste containing a carbon component is applied into grooves of a mold, thus forming a cooling fin having a pattern corresponding to the grooves. Thus, it enables the production of cooling fins having various configurations, thus improving a cooling performance of a package substrate incorporating the cooling fin.

The invention discloses an ionic wind generating device which comprises an ionic wind generator, a heat sink, a dust collector and a dustproof hood, wherein the ionic wind generator uses a needle-shaped emitter and a netty receiver; the ionic wind generator and the heat sink are designed in an integrated structure; the point of the needle-shaped emitter points to the middle between two adjacent heat-dissipating fins; an MnO2 catalyst coating is smeared to each of the heat-dissipating fins; a graphene heat-conducting adhesive compound coating is smeared to the surface of a heat conducting substrate; the ionic wind generator generates charged ions during operation to adsorb dust; the dust collector arranged on the outer side of the heat sink comprises a dust collecting plate, a dust collecting port and a dust collecting box to prevent dust adsorbed by the charged ions to cover an electronic apparatus. The dustproof hood is additionally arranged on the ionic wind generator to prevent dustfrom being adsorbed to the surface of the electrode of the ionic wind generator to affect the integral heat-dissipating device of the device. The device integrates ionic wind, heat dissipation and dust removal, improves the cooling performance and the heat-dissipating mode on the premise of not changing the size and weight, and solves the problem of dust accumulation amount.

The invention discloses a gasoline engine cooling system, which comprises a radiator, a cylinder cover water jacket, a cylinder body water jacket, a water pump, an expansion tank and a thermoregulator valve seat, wherein a thermoregulator is arranged in the thermoregulator valve seat; the thermoregulator valve seat is provided with five inlets and one outlet F; the first inlet A is communicated with a lower water chamber of the radiator; the second inlet B is communicated with the outlet of a fan heater; the third inlet C is communicated with the outlet of an air damper; the fourth inlet D is communicated with the outlet of a distributive pipe via a small circulation circuit; the fifth inlet E is communicated with the expansion tank via a water replenishing circuit; the outlet F is communicated with the water inlet of the water pump; the thermoregulator is a double-valve wax type thermoregulator and comprises a main valve and an auxiliary valve, wherein the main valve is installed on the first inlet A of the thermoregulator valve seat; and the auxiliary valve is just against the fourth inlet D of the thermoregulator valve seat. According to the gasoline engine cooling system disclosed by the invention, gas in cooling liquid can be removed to protect the water pump from cavitation, the cooling performance of the cooling system is improved, an engine is prevented from overheating, and thermal shock is prevented from generating in the cooling system.

The invention discloses an LED heat radiation module, comprising of an LED light source module driven by an LED driver, and a heat radiation body connected with the LED light source module. The LED light source module is arranged in the center of the heat radiation body, and the heat radiation body consists of annular fins connected by a plurality of ribs. The LED light source module is connected on the ribs of the heat radiation body, the heat of the LED light source module is conducted to the annular fins through the ribs, and the heat of the annular fins is dissipated to the outside by the natural convection of air from bottom to top. Gaps are arranged between the annular fins of the heat radiation module, and the heat of the LED light source module can also be conducted to the annular fins on each layer through heat conduction grooves and heat conduction tubes, therefore the structure can greatly enhance the heat radiation effect of LED pendent lamp with the LED heat radiation module, meanwhile the structure of the heat radiation module has reduced weight and less production cost compared with the similar fin heat radiation structure, dust are rarely accumulated on the heat radiation fins arranged vertical the ground, and the heat radiation effect is enduring and efficient.

Provided are a heat exchanger having a novel structure and efficiently cooling a heat generating body, and a method of manufacturing the heat exchanger. The heat exchanger (1) has flow paths (3) formed by being closed by an upper plate (14) and a lower plate (12) which have rectilinearly formed upstanding fins (11) parallelly arranged at specific intervals, and gaps extend between adjacent fins (11) in the top-bottom direction along the direction in which the fins (11) extend. Either of or both the upper plate (14) and the lower plate (12) are provided with projections (23) arranged in the longitudinal direction of the flow path (3) and projecting inward of the flow path (3).

The invention relates to a generator preferably of a wind turbine. The generator of a wind turbine comprises a stator (5) and a rotor (6). The stator comprises stacked first and second lamination sheets (100, 200, 300) with different through openings (315, 215, 316) radially extending between air gap and non air-gap side of the stator (5, 5') enabling a low fluid flow resistance and a high cooling surface resulting in a high cooling performance.

To obtain a laser oscillator which can carry out attachment of a mirror such that the deformation amount of the mirror is settled in an allowable range, without requiring high processing accuracy of a contact surface with the mirror in a mirror holding part. The laser oscillator comprises: a circular mirror 1 for reflecting laser beam; a holder 2 for holding the mirror; and a coil spring 16 which is elastic member for fixing it by pressing the mirror 1 to the holder 2 from the reflecting surface side. The coil spring 16 forces the mirror 1 to be fixed by pressing force F which is derived from a formula on the basis of the mass of the mirror 1, thickness, radius, modulus of longitudinal elasticity as well as friction coefficient between the mirror 1 and the holder 2, wavelength and gravitational acceleration of laser beam.

The present invention provides a foreside structure of an astride type vehicle as follow: the temperature rise of the headlamp unit bottom can be restrained in the headlamp unit about the double lamp type and in the foreside structure of the astride type vehicle, the license plate bracket installation department of which is installed in the bottom of the headlamp unit about the double lamp type. The forepart of a two-wheeled vehicle is provided with a front shroud (53) used for mantling the surrounding of the headlamp unit (50) and is provided with a license plate support (90) extending along the front of the vehicle and supporting the license plate (93). The headlamp unit (50) possesses head lamps (51L, 51R) on the left and right of the vehicle width direction. The front shroud (53) has a base (66) to mantling the lower surface of the head lamps (51L, 51R). The recess bulging above is formed on the base (66) to make the base (66) not block the license plate support (90).

The invention discloses a cooling device for an optical fiber. The cooling device comprises a shell and multiple optical fiber clamping components, wherein an annular cooling fluid passageway is formed in the shell and comprises a cooling fluid inlet and a cooling fluid outlet; the multiple optical fiber clamping components are arranged in the annular cooling fluid passageway along the circumferential direction of the shell at intervals and are used for clamping the optical fibers; and the optical fiber clamping components are provided with through slots through which the cooling fluid flows. According to the cooling device for the optical fiber in the embodiment of the invention, the cooling performance of the cooling device is improved, so that the optical fiber is rapidly cooled, the phenomenon that the optical fiber is damaged or the signal transmission of the optical fiber is influenced due to extremely high temperature is avoided, the service life of the optical fiber is prolonged, and the signal transmission stability is improved.

The invention relates to an on-line temperature measuring device for the surfaces of rolls in a strip rolling process in the field of strip rolling mill production in the metallurgy industry and a testing method of the on-line temperature measuring device. The on-line temperature measuring device is characterized by being composed of a base, an adjusting bolt, a support, a thermometer, a clamp, a protective sleeve and an air blowing device. The support and the base are connected through the adjusting bolt, the thermometer is tightly clamped by the clamp, the clamp is connected onto the support through a fixed bolt, the installation angle of the thermometer can be adjusted by the adjusting bolt as required, the protective sleeve covers the outside the thermometer, the base is connected with balance beam supports on two sides of the upper portion of an upper roll and track beams on two sides of the lower portion of a lower roll, the air blowing device is connected onto the base through a fixed bolt and close to the thermometer as far as possible, and protective plates are installed on the track beams and cover the upper portion of the temperature measuring device arranged below for surfaces of rolls.

The invention relates to an air guide device for strengthening the cooling effect of an automobile condenser, which comprises a condenser and a front fender-guard, wherein a gap is formed between each side of the condenser and the front fender-guard, and a left air deflector and a right air deflector are symmetrically arranged in the two gaps; and the left air deflector and the right air deflector together block paths from which an air flow entering a front cabin escapes toward the left and the right, and the air flow is directly guided to the condenser, so that the air flow amount of the condenser is increased. In the invention, the left air deflector and the right air deflector are arranged in the gaps formed between the two sides of the condenser and the front fender-guard to effectively guide the leaked air to the condenser, so that the cooling effect is improved and the cooling performance of an air conditioner is improved.

The invention provides a combined submersible pump for wells, belongs to the technical field of water pumps and solves the problems that a conventional multi-stage submersible electric pump for wells can neither be combined for changes nor pump all water out. The combined submersible pump for the wells consists of a plurality of water pump units which are connected in series, wherein each water pump unit comprises a pump body with a pump chamber, a water inlet communicated with the pump chamber is formed in the lower end of the pump body, a water outlet communicated with the pump chamber is formed in the upper end of the pump body, a submersible motor is arranged in the pump chamber, and an impeller is arranged at the lower part of the submersible motor; and the water outlets of the water pump units in the next stages are communicated with the water inlets of the water pump units in the upper stages. According to the combined submersible pump for the wells, the stage number of the pump can be changed at random to meet the requirements for different lifts, and the combined submersible pump can pump all water out.

A heat radiation structure of a handheld mobile device includes: a supporting body having a first side, a second side and at least one heat radiation part. The heat radiation part is provided with a heat radiation element, by combining the heat radiation element through the heat radiation part of the supporting body, conduction and radiation of heat generated by the handheld mobile device can be performed rapidly, thereby achieving a cooling effect.

The invention discloses a window air conditioner and a control method of the window air conditioner. The window air conditioner comprises a box body; the box body includes a chassis; the chassis has a water tank positioned on an outdoor side; a water tank is arranged on the chassis, and has a water inlet and a water drain port; a drain control valve is connected with the water drain port to control opening or closing of the water drain port; when the water drain port is opened, water in the water tank is drained to the water tank; a water pump is used for pumping the water in the water tank, and is connected with the water inlet; and a control device is connected with the drain control valve and the water pump to control working states of the drain control valve and the water pump. The window air conditioner facilitates strengthening of the heat exchange capacity of a condenser, improves the refrigerating capacity, can prevent the water in the water tank from draining to the environment to a certain extent, and facilitates improvement of the environmental protecting property and the use comfort.

The invention relates to a preparing method for a unidirectional wet-conduction pure cotton fabric based on nano-zinc oxide. The preparing method includes the steps that (1) nanometer ZnO powder and aphthalic-ester coupling agent are mixed, then Tween-80 is added, dispersion is conducted, and modified nanometer ZnO finishing liquid is obtained; (2) the cotton fabric is soaked into the modified nanometer ZnO finishing liquid, two times of soaking and two times of rolling are conducted, then pre-baking and baking are conducted, and the nanometer-ZnO-finished cotton fabric is obtained; (3) printing net is put on the nanometer-ZnO-finished cotton fabric, slurry is put, slurry is scraped at constant speed, then the fabric is pre-baked, baked, soaped and dried, and the unidirectional wet-conduction pure cotton fabric is obtained. According to the preparing method for the unidirectional wet-conduction pure cotton fabric based on the nano-zinc oxide, through compound function finishing, the fabric has the excellent moisture absorption and nice and cool effect, and the thermal-wet comfort requirement when people are in hot weather and strenuously exercise is met.

The invention relates to a heat dissipater and a manufacturing method thereof. The heat dissipater comprises a pedestal, a fin group, and a buckling member. The pedestal comprises a base plate and multiple first heat-dissipating fins. The fin group comprises multiple second heat-dissipating fins. The first heat-dissipating fins and the second heat-dissipating fins are arranged on the base plate in a staggered manner. The buckling member is combined with the pedestal and pushes the heat-dissipating segments of the multiple second heat-dissipating fins to be abutted against the first heat-dissipating fins. Thus, the heat-dissipating segments of the second heat-dissipating fins are apart from the first heat-dissipating fins. By means the above configuration mode, the heat dissipater is provided with high-density heat-dissipating fins so as to improve the heat-dissipating efficiency of the heat dissipater.

The invention discloses an aluminum alloy/graphene-carbon fiber film composite quick-freezing plate suitable for refrigerators and a preparation method thereof. The composite quick-freezing plate has a three-layer structure, which is composed of two upper and lower layers of aluminum alloy and three layers of graphene-carbon fiber film in the middle. Firstly, graphene oxide-carbon fiber film is made of flake graphite and carbon fiber, and graphene-carbon fiber film is made after high-temperature carbonization and graphitization; Attached with aluminum alloy, and finally compounded and pressed. The invention has a high freezing rate, realizes the effect of fast and uniform freezing of food, has simple preparation process, low cost, is easy to popularize, and is suitable for industrial production.