3378 results about "Computer fan" patented technology

The invention relates to the technical field of electric pressure cookers, in particular to an electromagnetic heating electric pressure cooker. The electromagnetic heating electric pressure cooker structurally comprises a shell, an inner pot and an outer pot, wherein a pressure switch and a control device are arranged at the bottom of the outer pot; an annular heating disk component and a sensor component are arranged between the inner pot and the outer pot; a through hole is formed in the middle of the heating disk component; the sensor component is mounted in the through hole; the heating disk component comprises an electromagnetic heating outer disk, a radiating fan, an electromagnetic heating wire coil, an electromagnetic coil, a plurality of magnetic strips, an electromagnetic heating disk cover and an anti-magnetic disk; the sensor component comprises a fixed frame, a spring arranged on the fixed frame in a sleeving manner, a sensor cap and a thermistor; and the thermistor is electrically connected with the control device. Compared with the prior art, the electric pressure cooker has the advantages of simple structure, high radiating performance, capacity of precisely controlling pressure and temperature and long service life, truly realizes application of an electromagnetic heating technology to the electric pressure cooker, and has a wide market prospect.

A cooling fan including a fan module, a microcontroller, and a bus interface. The microcontroller is coupled to the fan module and is capable of adjusting a speed of the cooling fan based on a status of a second cooling fan and adjusting the speed of the cooling fan based on a temperature detected. The bus interface is in communication with the microcontroller, the second cooling fan, and the system to receive and output data.

The invention provides a simple and effective thermal management system of a water-cooling proton exchange membrane fuel cell and a control method of the thermal management system. The thermal management system mainly comprises an electric pile, a water tank provided with a heating device, a cooling water circulating pump, a radiator, a cooling water pile inlet temperature sensor, a cooling water pile outlet temperature sensor, a cooling water pile inlet pressure sensor and a controller of the thermal management system. The control method following pressure change is provided to overcome the defects of lag, great overshooting, system coupling and the like caused by temperature change tracking in the traditional control strategy. The radiator is mainly used for controlling the cooling water inlet temperature of the pile and mainly controls the rotating speed of a radiator fan according to the cooling water inlet temperature of the pile of the fuel cell; and the cooling water circulating pump is mainly used for controlling the cooling water flow in the whole thermal management system and mainly controls the rotating speed of the circulating pump according to the cooling water inlet pressure of the pile of the fuel cell.

The invention discloses an adaptive fan-cooled LED lamp tube and relates to the technical field of non-portable indoor lighting sets. The adaptive fan-cooled LED lamp tube comprises two LED light-emitting circuit boards, a radiating rack and a semi-tubular lampshade; the two LED light-emitting circuit boards have an included angle of 120-160 degrees and are symmetrically attached to the lower surface of the radiating rack; radiating rods are vertically distributed on the left and right sides of an inner cavity of the radiating rack; the cross section of the radiating rods is in a streamline shape in the length-wise direction of the radiating rack; seal cap plugs of the LED light-emitting circuit boards are fixed to both ends of the radiating rack; each seal cap plug is provided with an air inlet; the radiating rack and the semi-tubular lampshade are connected in an inserted manner and are fixed through the seal cap plugs at two ends; the top center of the radiating rack is radially provided with at least one air outlet; a cooling fan is mounted in each air outlet. The adaptive fan-cooled LED lamp tube has the advantages of insufficiency in ventilation and good cooling effect.

The present invention relates to an apparatus and method for controlling a fan of a refrigerator with a television/radio module, wherein an operation of the fan is controlled according to an operation of the television/radio module. The present invention is characterized in that when the television or radio is operated, electric power is controlled to be automatically supplied to the heat radiation fan such that heat generated due to the television or radio operation can be radiated. Further, the heat radiation fan is also controlled to be automatically turned off when the television and radio operation is terminated. Therefore, the unnecessary operation of the heat radiation fan is prevented, and consequently, reduction in electric power consumption and efficient control can be made.

The invention discloses a method for controlling the rotating speed of an outer fan of a multi-split air conditioner. The initial rotating speed after the fan is started is determined according to the outdoor environment temperature; in the refrigerating process, the higher the outdoor environment temperature is, the higher the initial rotating speed of the outer fan is; in the heating process, the higher the outdoor environment temperature is, the lower the initial rotating speed of the outer fan is; in the refrigerating process of the air conditioner, the rotating speed of the outer fan is regulated by detecting the high pressure; a high pressure target value is set according to the outdoor environment temperature; the higher the outdoor environment temperature is, the higher the high pressure target value is; and in the heating process of the air conditioner, the rotating speed of the outer fan is regulated by detection the low pressure. According to the invention, the target pressure range is set according to the outdoor environment temperature, so that the control is more reasonable and the reliability and the energy efficiency ratio of a system are improved.

The temperature control system includes heat elimination air flue including air inlet and air outlet, and reflow dual flue including first air inlet and first air outlet. The first air inlet and first air outlet of reflow dual flue are connected to the air outlet and air inlet of the heat elimination air flue. Heat elimination fan system is setup in the heat elimination air flue. Circulating fan system is setup in the reflow dual flue. Under environment in normal temperature, the invention does not need of using additional heating unit. Using heat consumption of equipment self, the invention carries out heating to reduce relative humidity in cabinet, inhibit corrosion, save energy, and guarantee reliable heat elimination for equipment.

The invention discloses an electronic device comprising a housing and an air volume adjusting device; wherein, the housing is defined with a holding space and an air inlet causing the holding space to be communicated with the outside; the air volume adjusting device comprises a plate piece for covering the air inlet and an actuating mechanism, wherein, the actuating mechanism can drive the plate piece to move to open the air inlet along with temperature change of the holding space; the supply air rate of the holding space can be increased by the configuration of the air volume adjusting device so as to effectively improve the heat dissipation efficiency of a heat dissipation fan and lower the possibility of system halt due to poor heat dissipation in the system; in addition, the air volume adjusting device with simple structure can effectively increase heat dissipation efficiency and does not need to adopt complex heat dissipation assemblies with high price and complex structure, so that manufacturing cost can be effectively lowered.

A heat dispensing fan includes a hub having a recess defined in a top thereof so as to receive a fan member therein. The recess communicates with a side outlet in the hub and apertures defined through the hub. The fan member has a ring-shaped base plate and a protrusion extends from a center of a top of the base plate. A plurality of first curve blades extends from the protrusion and a plurality of second curve blades are located on the top of the base plate. Each first curve blade is connected to one of the second curve blades. A top cap is connected to the hub and has a hole defined therethrough.

The invention discloses an energy-saving system in a communication room, which improves the refrigeration efficiency of the air conditioner, has good energy-saving effect, saves the running cost and prolongs the service life of the air conditioner. The energy-saving system comprises a precise air conditioner (30), a control device (70), a relay (71), a water box (3) and a supercharging pump (4); the precise air conditioner (30) comprises an outdoor condenser (1), an indoor evaporator (2) and a heat dissipation fan (10); the water box (3) is connected with a water inlet pipe (5) which is provided with a water inlet valve (51); the water inlet of the supercharging pump (4) is communicated with the water box (3); the water outlet of the supercharging pump (4) is divided into two passages: one passage is connected with a plurality of atomizing spray heads (7) and the pipeline is provided with a spraying electromagnetic valve (61); the other passage is connected with a plurality of cleaning spray-head (8) and the pipeline is provided with the cleaning electromagnetic valve (62); and the positions of the spraying electromagnetic valve (61) and the cleaning electromagnetic valve (62) correspond to the fin of the outdoor condenser (1). The energy-saving system can be widely applied to the energy-saving field of the communication system.

A thermal module (10) for dissipating heat from a heat-generating electronic component (20) includes a base plate (11), a heat-dissipating fan (16) mounted to one side of the base plate, at least a heat pipe (12) mounted to another side opposite to the one side of the base plate, and a fin assembly (14) mounted to an air outlet of the heat-dissipating fan. The heat pipe includes a bending portion (124). The fin assembly includes a portion (142) corresponding to the bending portion of the heat pipe. The fins of the portion of the fin assembly are arranged along an extension direction of the bending portion of the heat pipe.

An embodiment of the invention provides an integral equipment cabinet ventilation wall controlling system and an integral equipment cabinet ventilation wall controlling method. The integral equipment cabinet ventilation wall controlling system comprises a temperature monitoring module, a rotating speed calculating module and at least one fan control panel. The temperature monitoring module is used for monitoring the temperature of components and parts of every server in a monitoring cabinet. The rotating speed calculating module is used for calculating a rotating speed required by a radiating fan corresponding to every server. The fan control panels are used for controlling rotating speed of the radiating fans corresponding to every server on a control cabinet. The integral equipment cabinet ventilation wall controlling system and the integral equipment cabinet ventilation wall controlling method have the advantages that rotating speeds of the corresponding fans can be controlled according to radiating requirements of different servers in an equipment cabinet, suitable rotating speed of the corresponding radiating fans can be controlled according to actual working temperatures of the servers even if different types of servers are mounted in the equipment cabinet, spare energy consumption is avoided, and cost is saved.

A heat dissipating fan includes a housing having a base and a sidewall coupled to the base. The sidewall defines a compartment. The housing further includes an air inlet, an air outlet, and a dust channel. The air inlet, the air outlet, and the dust channel are in communication with the compartment. A stator is coupled to the base of the housing. An impeller is rotatably coupled to the stator. A control element includes a driving circuit electrically connected to the stator and a rotating direction control circuit electrically connected to the driving circuit. In another embodiment, the heat dissipating fan includes a housing having a base and a lateral wall coupled to the base. The lateral wall defines a compartment. The lateral wall includes an air inlet and an air outlet both in communication with the compartment. The air inlet also acts as a dust channel.

Disclosed is a cooler of a notebook personal computer allowing more much heat to be rapidly discharged to the outside. The cooler includes: a heat absorbing part fan for absorbing heat generated from a heat generation device of the notebook personal computer; a cooling fan for blowing air in front and side directions; at least two heat pipes of which one ends are in contact with the heat absorbing part and the other ends extend to the front and side of the cooling fan; at least two heat radiation parts provided to be facially in contact with the other ends of the heat pipes; and a lower case having a plurality of grids provided at a corner portion facing the heat radiation parts, from which air heated by the heat generation parts is forcibly discharged.

The invention discloses a power battery thermal management system with functions of efficient heat dissipation and efficient heating. The power battery thermal management system comprises a power battery case and a thermal management system, wherein a plurality of battery monomers are adjacently aligned to form a battery pack placed inside a battery case housing, a composite phase change material plate is sandwiched between the gap of the adjacent batteries and the surface of the outermost side battery in the battery pack width direction, the composite phase change material plates and thermal pipes are combined to form composite phase change material thermal pipe coupling components, the composite phase change material thermal pipe coupling components are additionally arranged on both sides of the battery pack, the thermal pipes extends from the through holes on the battery module housing, the extending ends are connected to heating devices and heat dissipation fans, and a programmable automatic temperature regulator treats the signal from a temperature sensor by programming so as to determine whether the fans and the heating devices are started. The power battery thermal management system of the present invention has advantages of simple and firm whole structure, high efficiency, stable operating, and the like. In addition, the battery pack can be subjected to direct, unified and uniform cooling and heating, such that the battery can work at the appropriate temperature range, and the electric vehicle battery thermal management system is improved.

The invention discloses a main engine case with functions of shock absorption, dust prevention and heat dissipation. Guide rails are fixedly connected to both sides of the lower end of the main body of the main body, sliding blocks are slidably connected to the guide rails, the upper end of the connecting rod is hinged to the bottom of the main engine tray, and the middle parts of the connecting rods at the left and right ends are hinged. Shock-absorbing spring, the upper end of the main engine abuts on the compression plate, and the two ends of the compression plate abut the spring telescopic rod respectively, and the bearing on the upper end of the spring telescopic rod is connected to the threaded rod; the threaded rod is threaded to the threaded sleeve, and the left end of the main box body is fixedly connected to the ventilation The left end of the ventilation plate is provided with a sealing plate, and the surface of the sealing plate is evenly distributed with oblique air holes; the right end of the driving motor is rotated to connect with the cooling fan. The main box is isolated from the outside by the ventilation plate and the sealing plate to prevent dust from entering. When the internal temperature rises, the cooling fan drives the sealing plate to move to connect the inside and the outside to dissipate heat. There are also spring telescopic rods and shock absorbing springs Shock-absorbing the host. The structure of the main machine box is simple and applicable, and the service life of the main machine is improved.

A heat-dissipating fan with an upward air-guiding member is provided. The heat-dissipating fan includes a housing, an impeller having a hub and a plurality of blades disposed around the hub, a base disposed inside the housing for supporting the impeller thereon, and an air-guiding member disposed between the base and the housing, wherein the air-guiding member has at least one inclined edge on the windward side or its opposite side relative to the horizontal line perpendicular to the axis of the heat-dissipating fan.

A heat dissipation device for dissipating heat from a plug-in electronic component, such as a memory is provided. The heat dissipation device includes a base frame, a moving frame, and a retaining cover. The base frame is disposed at one side of the electronic component. The moving frame is movably mounted on the base frame. A heat dissipation fan is mounted on the retaining cover, and the retaining cover is also movably mounted on the moving frame. In this manner, the heat dissipation fan has at least a retraction position where the heat dissipation fan is not overlaid above the electronic components so as to plug or remove the electronic component, and a heat dissipation position where the heat dissipation fan dissipates heat from the corresponding electronic component. Furthermore, the heat dissipation position changes in accordance with actual heat dissipation requirements, thereby providing an optimal heat dissipation mode.

An improved bearing for a heat dissipation fan has an oil chamber for containing lubricant. The oil chamber has a sidewall extending between one open end and one closed end. The closed end is perforated with a through hole, and an edge of the sidewall at the open end is partially recessed to form at least one notch. An external surface of the sidewall is partially recessed along an elongate direction to form at least one oil slot aligned with the notch, the recessed external sidewall is further perforated with a through hole. An O-ring is disposed adjacent to the closed end of the oil chamber. The O-ring has an aperture aligned with the through hole of the closed end. An axial column is inserted into the oil chamber through the aperture of the O-ring and the through hole of the closed end. An external sleeve is used for receiving the oil chamber therein. The central axis column is operative to rotate within the oil chamber, such that the lubricant contained in the oil chamber is driven to flow upwardly through the notch into the oil slot. The axial column is so configured to prevent the lubricant from flowing external to the oil chamber via the through hole of the closed end.

A dust-cleaning device for a computer and a method using the same that utilizes a computer fan are disclosed. The computer is a laptop computer, a desktop computer, or a server. The method comprises: determining if a temperature of an electronic component is higher than a specific temperature; and if so, then reversing the computer fan for a specific amount of time as indicated by a timer.

The invention provides electric power equipment used for a security system. The electric power equipment comprises an external cabinet body, an internal cabinet body and a top cap. Heat radiating fins are arranged on the internal side wall of the internal cabinet body. The heat radiating fins include a primary heat radiating fin. Multiple secondary heat radiating fins are evenly arranged on the primary heat radiating fin. Multiple tertiary heat radiating fins are evenly arranged on the secondary heat radiating fins. An annular water chamber is arranged at the lower part between the external cabinet body and the internal cabinet body. A water insulating plate is arranged at the top part of the annular water chamber. A water inlet is arranged at the upper part of the annular water chamber, and a water outlet is arranged at the lower part. The water inlet and the water outlet are connected through a circulating pipe. A water refrigerator is arranged on the circulating pipe. A temperature sensor and a heat radiating fan are arranged at the internal top part of the internal cabinet body. The beneficial effects of the electric power equipment used for the security system are that damage of water vapor to the internal parts and components of the cabinet body can be avoided by arrangement of the top cap; and the heat radiating mode is selected according to the temperature so that intelligent heat radiation selection can be realized, the heat radiation effect can be effectively guaranteed and energy can be saved.

The invention provides a power battery heat management method based on working condition characteristics. Inside temperature of single batteries is estimated on the basis of a battery pack temperature sensor measurement value, and an estimation value is taken as a power battery pack heat management logic control parameter; the temperature measurement value, the SOC estimation value, ambient temperature and power battery real-time output working condition characteristics are taken as estimation model input, inside temperature of a power battery is predicted on the basis of a power battery temperature rise model, and a heat radiating instruction and heat radiating fan power selection are started in advance, so that the problem that current power battery heat radiating strategy control is unitary and delayed can be solved more reasonably.

The invention provides control device and method of a cooling fan of an ATCA (Advanced Telecom Computing Architecture) system. The device comprises temperature sensors, a gusset plate IPMC (Ionic Polymer-Metal Composite) connected with the temperature sensors, and an SHMC (Shelf Management Controller) connected with the gusset plate IPMC, wherein the temperature sensors are used for measuring the temperature values of the areas where the temperature sensors are arranged and transmitting the temperature values to the gusset plate IPMC; the gusset plate IPMC is used for determining the states of the temperature sensors according to the temperature values of the temperature sensors on the gusset plate IPMC and temperature threshold values, determining single-plate temperature states and sending a state change report message to the SHMC according to the changes of the single-plate temperature states, and each temperature sensor at least comprises two temperature threshold values; and the SHMC is used for controlling the speed of the cooling fan according to the state change report message. By adopting the device and the method, the optimal control on the cooling fan can be realized, and energy saving control and noise reduction are realized while the cooling requirement of the system is guaranteed.

Disclosed is a composite heat-dissipating system and its used fan guard which can impart a supercharging function to the heat-dissipating fans of the composite heat-dissipating system for efficient heat dissipation and reduces the noise generated when the heat-dissipating fans are operated. The fan guard includes a frame and a set of guard blades arranged inside and fixed onto an inner surface of the frame. The fan guard can be arranged upstream or downstream of the rotor blades of the heat-dissipating fans and assembled with the heat-dissipating fans in series or in parallel to supercharge the airflow out of the heat-dissipating fans.

A liquid cooling type heat-dissipating device for exchanging heat with a heat source is provided, which includes a heat-dissipating fan, a pump, a liquid pipe, a motor, and a heat-dissipating block. The motor drives the heat-dissipating fan and the pump. Two ends of the liquid pipe are connected to the pump so as to form a fluid loop, wherein the liquid pipe is in contact with the heat-dissipating block, and the heat-dissipating block is disposed on the heat source. The liquid pipe is continuously curved on a segment away from the heat-dissipating block to form a curved portion located on a wind output path of the heat-dissipating fan, therefore, the heat-dissipating fan cools the curved portion by blowing wind, so as to increase the speed of temperature dropping thereby improving the heat dissipation performance of the liquid pipe.

The invention provides a circuit board plug assembly dissipating heat by utilizing heat-dissipation fans. The circuit board plug assembly comprises a circuit board device (9) and an interface device (8) arranged at the left side of the circuit board device (9). The interface device (8) comprises a housing formed by an upper contour portion (81) and a lower contour portion (82); the place, adjacent to the inner side of the housing, of a board body of the circuit board device (9) is provided with an insertion pin array (99) for connecting with insertion hole array (72) in a plug (7) plugged between the upper contour portion (81) and the lower contour portion (82) of the interface device (8); and the upper contour portion (81) and the lower contour portion (82) are connected with roller wheels (80) of an upper slide block assembly (83) and a lower slide block assembly (84) respectively.

A cooling apparatus includes a heat receiving casing thermally joined to a heating object directly or indirectly, a first device having hoses which communicate inside of the heat receiving casing, a fluid medium inside the heat receiving casing and in the hoses. The cooling apparatus also includes a solution sending pump circulating the fluid medium provided inside the heat receiving casing, and a second device having a radiator for cooling the circulated fluid medium, and a radiating fan.

A notebook computer cooling pad capable of temperature detection and fan-speed adjustment is equipped with heat-dissipating fans, a control panel and plural movably deposited temperature sensors, so that when a notebook computer is placed on the notebook computer cooling pad, a user may be informed of real-time temperature readings related to different locations of the notebook computer and use the use the fan-speed adjusting button to adjust a rotational speed of the heat-dissipating fans.

The stewing pan with refrigerating and preserving functions includes one casing, one outer pan with heating belt, one inside ceramic pan with heat conducting metal plate embedded to the bottom, and one semiconductor refrigerator module with a cold end connected to the heat conducting metal plate to conduct cold and a hot end connected to a heat sink with a heat dissipating fan. The present invention makes it possible for the food inside the stewing pan to be maintained in the low temperature preservation state before being heated for stewing in the end of the preset time period.

The invention discloses a double-gun direct current charging pile for an electric automobile. The double-gun direct current charging pile for the electric automobile comprises a charging pile casing, an intelligent controller, two charging interface modules, a rectification module, an electric leakage protection switch, a lightning arrester, an intelligent electric meter, a touch screen, a card reader, an auxiliary switch power supply, an intelligent monitoring module, an alternating current / direct current measurement and control module, an insulation detection module, a signal lamp, a sudden stop control switch and a cooling fan. The two charging interface modules comprise charging guns, direct current contactors, fusing protectors and shunts. Charging gun direct current charging interfaces DC + are connected with the direct current contactors and the fusing protectors respectively, two charging gun direct current charging interfaces DC- are jointly connected with a shunt, a charging gun auxiliary power interfaces each are connected with an auxiliary control relay, charging communication interfaces of the two charging guns are connected with a communication interface of the intelligent controller through a switching relay, the direct current contactors and the auxiliary control relay are controlled by and connected with the intelligent controller, and the intelligent controller is used for controlling auxiliary contacts of the direct current contactors and the auxiliary control relay.