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3378 results about "Computer fan" patented technology

A computer fan is any fan inside, or attached to, a computer case used for active cooling. Fans are used to draw cooler air into the case from the outside, expel warm air from inside and move air across a heat sink to cool a particular component. Both axial and sometimes centrifugal (blower/squirrel-cage) fans are used in computers. Computer fans commonly come in standard sizes, and are powered and controlled using 3-pin or 4-pin fan connectors.

Electromagnetic heating electric pressure cooker

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.
Owner:GUANGDONG LUBY ELECTRONICS

Thermal management system of water-cooling proton exchange membrane fuel cell and control method of thermal management system

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.
Owner:SOUTHWEST JIAOTONG UNIV

Communication equipment room energy-conserving system

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.
Owner:珠海横琴博信能源建设有限公司

Integral equipment cabinet ventilation wall controlling system and integral equipment cabinet ventilation wall controlling method

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.
Owner:SHENZHEN TENCENT COMP SYST CO LTD

Power battery thermal management system with functions of efficient heat dissipation and efficient heating

InactiveCN106033827AEfficient dischargeAchieve temperature control effectSecondary cellsBatteriesAutomotive batteryElectrical battery
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.
Owner:广东万锦科技股份有限公司

Mainframe case with damping, dustproof and heat radiating functions

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.
Owner:六安市金安区一元通包装设计中心(普通合伙)

Electric power equipment used for security system

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.
Owner:PINGDINGSHAN POWER SUPPLY ELECTRIC POWER OF HENAN +1

Control device and method of cooling fan of ATCA (Advanced Telecom Computing Architecture) system

ActiveCN101871465APump controlCooling/ventilation/heating modificationsIonic polymer–metal compositesGusset plate
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.
Owner:DATANG MOBILE COMM EQUIP CO LTD

Double-gun direct current charging pile for electric automobile

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.
Owner:FUJIAN NETPOWER TECH DEV +3
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