56results about How to "Improve cooling efficiency" patented technology

The invention relates to the technical field of self-contained power supply heat dissipation and discloses a novel box-type substation heat dissipation device with a self-contained power supply. The device comprises a cabinet, rubber bases are fixedly connected to four corners of the bottom of the cabinet, and a solar photovoltaic panel is fixedly connected to the top of the cabinet; and a rear side of an inner cavity of the cabinet is fixedly connected with a heat dissipation aluminum box vertically upwards. According to the device, two butt-joint communicating pipes on a rear side of a concentric-square-shaped cooling aluminum box are inserted into butt-joint holes of the cooling aluminum box in a sealed mode, a suction pump works in the later period to suck oil in an oil tank into the cooling aluminum box and enable the oil to enter the concentric-square-shaped cooling aluminum box through the butt-joint holes, the heat of a transformer is fully cooled in an omnibearing mode, and the cooling efficiency is higher; when much hot air exists in the heat dissipation aluminum box, the hot air is exhausted through a one-way valve and an air escape valve, and the situation that heat cannot be dissipated inside is avoided; and meanwhile, four groups of draft fans work to fully pump and discharge heat on heat dissipation fins such that the heat dissipation effect is ensured.

The invention relates to a diesel engine EGR cooler.A cooling shell inner cavity is internally provided with a first partition plate, a second partition plate, a third partition plate and a fourth partition plate in sequence from left to right; the space on the left side of the first partition plate is a waste gas inlet cavity, the space between the first partition plate and the second partition plate is a waste gas collecting cavity, the space between the second partition plate and the third partition plate is h a heat exchange cavity; the space between the third partition plate and the fourth partition plate is a waste gas rotary cavity, and the space on the right side of the fourth partition plate is a waste gas outlet cavity; the left end of a cooling shell is provided with a waste gas inlet communicated with the waste gas inlet cavity, the waste gas inlet cavity is communicated with the waste gas rotary cavity through a first tube bundle, the waste gas rotary cavity is communicated with the waste gas collecting cavity through a second tube bundle, and the waste gas collecting cavity is communicated with the waste gas outlet cavity through a third tube bundle; the right end of the cooling shell is provided with waste gas outlet communicated with the waste gas outlet cavity, and the cooling shell is provided with a cooling liquid inlet and a cooling liquid outlet communicated with the heat exchange cavity.The diesel engine EGR cooler is high in heat conduction performance and heat dissipation performance and high in heat dissipation efficiency.

The invention provides a heat dissipation system for a battery pack of a new energy automobile. The system comprises a heat dissipation mechanism and an auxiliary mechanism. The auxiliary mechanism is mounted at the lower end of the heat dissipation mechanism. The heat dissipation mechanism comprises an upper shell, a double-head motor, a main shaft, a belt wheel 1, a fan blade 1, cooling fins, a heat dissipation net, a belt wheel 2, an auxiliary shaft and a fan blade 2. The auxiliary mechanism comprises a lower shell, a bottom plate, a through groove, a rotating shaft and an arc-shaped single dialing rod. Compared with the prior art, the beneficial effects are that the fan blade 1 and the fan blade 2 rotate to generate air flows, and then the air flows blow the cooling fins, so the heat dissipation efficiency is improved, and the service life is prolonged; and by use of the arc-shaped single dialing rod, a person can conveniently take out the battery pack, and the operation difficulty is reduced.

The invention discloses a vehicle and an electric transmission system and a vehicle cooling system thereof. The vehicle cooling system comprises a main radiator, a main water cooling device, a main fan, a plurality of auxiliary radiators and auxiliary water cooling devices, wherein the main radiator and the main water cooling device are used for cooling a first to-be-cooled object; the auxiliary radiators and the auxiliary water cooling devices are used for cooling a second to-be-cooled object; the main radiator and the auxiliary radiators are arranged on the air inlet side or the air outlet side of the main fan. According to the vehicle cooling system, each to-be-cooled object is cooled in a water-cooling heat dissipation mode, and then the main fan is comprehensively utilized to provide cooling air for each heat dissipation device, so the cooling air quantity of the main fan can be effectively utilized, water-air cooling of each to-be-cooled object can be realized, overall arrangement of a whole vehicle cooling system is facilitated, intensive heat dissipation power utilization of the whole vehicle is facilitated, and heat dissipation efficiency of the whole vehicle is improved.

An intelligent temperature control system for steel pipe concrete arch ribs comprises a main water inlet pipe, a main water return pipe, a plurality of branch water pipes, two sets of cooling water circulating water tanks, a plurality of temperature control valves, a plurality of temperature sensors, a digital temperature recorder and a computer, wherein the main water inlet pipe and the main water return pipe are disposed on the outer or inner surfaces of the arch ribs along the extension direction of the arch ribs, and two ends of the main water inlet pipe and the main water return pipe are respectively connected with the cooling water circulating water tanks; the branch water pipes wind the outer or inner surfaces of the arch ribs at intervals, one ends of the branch water pipes are directly connected with the main water pipe or the main water return pipe, and the other ends of the branch water pipes are connected with the main water pipe or the main water return pipe through the temperature control valves; the temperature sensors are mounted on the outer or inner surfaces of the arch ribs corresponding to the branch water pipes and connected with the digital temperature recorder; the computer is connected with the digital temperature recorder and the temperature control valves. The intelligent temperature control system has the advantages that precise control is performed through the computer, arch rib local temperature during pouring and overall arch rib temperature after pouring can be timely and effectively controlled, and arch rib temperature deformation and temperature secondary internal force caused by concrete hydration heat are reduced.

The invention relates to the technical field of diesel cylinders and discloses a four-valve cylinder cover for a lightweight engine. Push rod holes and water jackets are arranged in the cylinder cover; air inlet channels are formed in one side of the cylinder cover; air exhaust channels are formed in the other side of the cylinder cover; the interior of the cylinder cover is divided into four partition cylinders; the water jackets include an upper water jacket and lower water jackets; the upper water jacket is arranged on the upper side in the cylinder cover; the lower water jackets are arranged on the lower side in the cylinder cover; a water channeling hole for communicating the upper water jacket and the lower water jackets is formed between the upper water jacket and the lower water jackets; two adjacent partition cylinders share one air inlet channel; and the push rod holes are arranged close to the corresponding air inlet channels. The four-valve cylinder cover can prevent intake flows from mutually interfering so as to improve the air inlet efficiency, can prevent the ageing problem of lubricating oil and can also improve the cooling efficiency.

The invention discloses cavity equipment convenient to radiate. The cavity equipment comprises a cavity body; a concave cavity is formed in the upper surface of the cavity body; the cavity body is of an integrated structure; a first groove is formed in each of the left outer side surface and the right outer side surface of the cavity body separately; a plurality of heat dissipation sheets are arranged in the first grooves; a plurality of second grooves are also formed in each of the left outer side surface and the right outer side surface of the cavity body separately; and the second grooves and the first grooves are not crossed. By virtue of the integrated cavity equipped with heat dissipation grooves, one-time packaging and forming of a microwave circuit can be realized, production processes can be reduced, the heat dissipation area can be enlarged, and operating reliability of electronic elements can be improved.

The invention relates to a high-temperature and high-humidity flue gas wet cooling and dehumidifying method, which is characterized by comprising the following steps of the introduction of high-temperature and high-humidity flue gas, first-stage two-fluid spray cooling, second-stage circulating water spray cooling, emergency spray cooling, defogging treatment, and discharging and the like. The method adopts two stages of cooling to cool down. In the first stage, the flue gas is cooled to about 100 DEG C by a two-fluid spray direct contact complete evaporation method. In the second stage, the saturated wet flue gas is re-cooled (cooled to a temperature of 40 to 60 DEG C) by spraying low-temperature water in a packing section, and the water vapor in the saturated wet flue gas is condensed into liquid water after being cooled, thereby reducing the content of moisture in the flue gas (dehumidifying to humidity being smaller than 20%). The water vapor is further removed from the wet flue gas after being cooled through a defogging layer. Compared with the conventional method, the method has high cooling efficiency and a good dehumidifying effect.

The invention provides a cable cooling apparatus. The cable cooling apparatus comprises a cooling casing, a blower fan, two-phase flow nozzles, an inflator and a water tank, wherein the blower fan is fixedly installed at the top inside the cooling casing, the two-phase flow nozzles are arranged in the cooling casing, the two-phase flow nozzles are disposed right below the blower fan, the side walls of the two-phase flow nozzles are provided with air inlets and liquid inlets, the bottom portions of the two-phase flow nozzles are provided with smog outlets, the inflator is connected with the air inlets of the two-phase flow nozzles through an air inlet pipeline, the air inlet pipeline is provided with an air inlet ball valve, the water tank is connected with the liquid inlets of the two-phase flow nozzles through a water inlet pipeline, and the water inlet pipeline is provided with a water inlet ball valve; the cooling casing is internally provided with the three to five two-phase flow nozzles, and the three to five two-phase flow nozzles are successively installed inside the cooling casing. According to the invention, evaporation of atomization liquid drops is accelerated through the blower fan, and the cooling efficiency of the cooling apparatus is improved.

The invention discloses a television, broadband and WIFI terminal oriented chimney type ventilation and heat dissipation method. A first set-top box, heat dissipation holes, an intelligent processingchip, a support frame and a USB interface are included; the first set-top box is connected with a second set-top box through a connecting strip; furthermore, the bottoms of the first set-top box and the second set-top box are installed with a grid plate; furthermore, the first set-top box and the second set-top box are designed to be vertical, and shaped as pipelines; the heat dissipation holes are arranged in the outer walls of the first set-top box and the second set-top box; furthermore, the length of the heat dissipation holes is 507 mm; a base is fixed at the bottoms of the first set-topbox and the second set-top box; furthermore, a general electroplate is installed on the inner wall of the base; and the intelligent processing chip is installed in the first set-top box. The structurein the invention is simple in design; aerodynamics is applied; passive heat dissipation is optimized to active heat dissipation; furthermore, a radiating area cannot be blocked; and thus, the heat dissipation effect of a plastic box body is greatly improved.

The invention relates to a light-emitting diode lamp with a heat radiation structure, comprising a plurality of light-emitting diode die sets and a first radiator, wherein the first radiator comprises a base plate and a plurality of first heat radiation fins extended from the base plate. An airflow passage is respectively formed between every two adjacent first heat radiation fins. The light-emitting diode lamp also comprises a second radiator attached on the base plate of the first radiator. The light-emitting diode die sets are attached on the second radiator, and the first radiator is provided with a plurality of slots which penetrate through the first heat radiation fins and the airflow passages. In the invention, the heat radiation area is increased by installing the second radiator on the first radiator, and the whole heat radiation efficiency is improved under the precondition that the volume of single radiator and the density of the heat radiation fins are not increased; and in addition, because the first radiator is provided with the slots which penetrate through the first heat radiation fins and the airflow passages on the first radiator, not only the weight of the first radiator is reduced, but also the natural convection of air among the first heat radiation fins is increased.

The invention discloses an evaporation cooling technology-based liquid cooling system. The evaporation cooling technology-based liquid cooling system comprises a liquid-cooling server unit, a plate-type heat exchanger and an evaporation cooling cold water machine set which are arranged in a machine room, wherein two sides of the liquid-cooling server unit are respectively connected with one end ofa secondary water system water supply pipe and one end of a secondary water system water return pipe, the other ends of the secondary water system water supply pipe and the secondary water system water return pipe are connected with the plate-type heat exchanger, and a secondary water system water pump is arranged on the secondary water system water supply pipe. The liquid cooling system employsan indirect cold plate-type liquid-cooling server, an indirect cold plate is attached onto a server chip, heat sent out from the chip is taken away by flowing of water in the indirect cold plate, thecooling efficiency is high, and the liquid-cooling server unit is easily accepted by market; and the evaporation cooling cold water machine set employs an indirect-direct evaporation cooling mode, cold water lower than environmental wet bulb temperature can be made, and the evaporation cooling cold water machine is widely applicable to a data center with a liquid-cooling server.

The invention discloses a refrigerator cold energy accumulation device with a quick cooling function, and relates to the technical field of cold energy accumulation devices. A refrigerator body is included and comprises a plurality of refrigerator chambers; one side of the refrigerator body is provided with an air duct, and one end of the air duct is provided with an air outlet; each refrigeratorchamber is provided with an air inlet; a cold energy accumulation device is installed on the upper portion of the refrigerator body and comprises a frame body, and cold energy accumulation pieces areuniformly distributed in the frame body; and each cold energy accumulation piece is of a streamline form structure and comprises a first assembly and a second assembly, the first assembly is of a conical shell structure, and a cold energy accumulation agent is stored in a conical shell. According to the refrigerator cold energy accumulation device, hot air generated during refrigerator defrostingis cooled through the streamline-form cold energy accumulation pieces, the circulation speed of the hot air in a refrigerator is increased, the cooling efficiency of the hot air generated during defrosting is improved, negative influence of the hot air generated in the defrosting process on refrigerator cold energy accumulation is effectively reduced, and the refrigerator energy saving effect is improved.

The invention belongs to the technical field of air conditioning evaporators, and particularly provides a method for improving the thermal conversion efficiency of an air conditioning evaporator. A sun gear shaft is rotationally connected with a shell through a bearing. One end of the sun gear shaft is fixedly connected with an output shaft of a speed reducer through a coupler, the other end of the sun gear shaft is rotationally connected with a water inflow pipe, and the water inflow pipe is used for inputting pressure currents to evaporation units through the sun gear shaft. The evaporationunits are arranged in the middle of the sun gear shaft. The evaporation units spray out water mist through conical spiral pipes to be used for evaporative heat absorption. Sun gears are arranged at the two ends of the sun gear shaft. Planet gears are arranged in cooperation with the sun gears, and rotating modules are formed. The rotating modules are used for balancing the evaporation rates of theevaporation units at different positions. Sealing units are arranged at the joint of a connecting pipe and a planet gear shaft. The method is especially suitable for large water-cooled air conditioning units, the evaporation efficiency of the top, the bottom, the exterior and the interior of the evaporator reaches a balanced state, and the refrigerating efficiency of an air conditioner is improved.

The invention discloses a plug connector assembly. The plug connector assembly is used for abutting an abutting connector along an abutting direction and comprises a circuit board, at least one chip,an electrical connector and a thermal insulation sleeve, wherein the at least one chip is arranged on the circuit board, the electrical connector is used for being abutted with the abutting connectorand is electrically connected to the circuit board, the electrical connector is provided with an insulation body, a plurality of conductive terminals and a metal shell, the plurality of conductive terminals are arranged at the insulation body, the metal shell is arranged outside the insulation body and the circuit board, the plurality of conductive terminals are used for being electrically conducted with the abutting connector, the metal shell is provided with at least one guide connection part and at least one contact part, the guide connection part is conducted with the chip, the thermal insulation sleeve is arranged outside the metal shell, and the contact part is exposed out of the thermal insulation sleeve. The contact part is in contact with an external object, heat of a second metalshell is conducted to the external object via the contact part, the heat dissipation area is expanded, and the heat dissipation efficiency is improved.

A heat transfer duct fastening structure aims to firmly mount a heat transfer duct onto a heat conductive base to increase heat transfer efficiency and facilitate heat dissipating of an electronic device and prevent the electronic device from being damaged at high temperature. The structure includes the base and the heat transfer duct. The base is a good heat conductive element and has a coupling portion to receive the heat transfer duct. The heat transfer duct and the inner wall of the coupling portion are soldered together through a soldering paste. Thus heat generated by the electronic device can be transmitted through the base and heat transfer duct and released to the air.

The invention is a cooling device to lower the temperature of electronic component, containing a first fan, a second fan and three fins. The first fin is linked with the electronic component by the hot tube and uses the air current from the first fan to lower the temperature; the second one is linked with the electronic component by the hot tube and uses the air current from the second fan to lower the temperature; the third one is tightly linked with the heat source of the electronic component, situated between the two fans and use the series pressure air current of the two fans to lower the temperature.

The invention provides a solar powered compression typewater collection device. The solar powered compression type water collection device comprises an evaporator (3), a compressor (4), a condenser (5), a regenerative condenser device (6), a solar panel (8),and a casing (13); air outside the casing (13) passes through the evaporator (3) to form dry and cold air; the air outside the casing (13) passes through the condenser (5) to form damp and hot air; the dry and cold air and the damp and hot air pass through the regenerative condenser device (6) to obtain condensate water; the evaporator (3)and the condenser (5) are cooled through the compressor (4); the solar panel (8) supplies electric energy to the compressor (4); the evaporator (3), the compressor (4), the condenser (5), and the regenerative condenser device (6) are located inside the casing (13); and the solar panel (8) is arranged outside the casing (13). The whole solar powered compression typewater collection deviceis free from dependence on electric energy, the structure is simple, operation is simple, and safety and high efficiency are achieved.

The invention relates to a container base station cabinet temperature regulation system. A heat-insulation inner cabin is arranged in a container base station. The temperature regulation system comprises a cabinet combination, a cover plate and movable doors arranged in the heat-insulation inner cabin, the cabinet combination comprises an air conditioner and a cabinet, an air guide passage communicating an air conditioner with the cabinet is arranged in the cabinet combination, the cover plate is arranged at the top of the cabinet combination, the movable doors are arranged on two sides of the cabinet units, and the cover plate and the movable door are connected to the side wall of the heat-insulation inner cabin to form a closed air-guide cabin. Cold air from the front side of the air conditioner is blown to the side wall of the heat-insulation cabin, is guided into the cabinet through the side wall of the heat-insulation inner cabin and the movable doors to cool equipment in the cabin; hot air generated from the equipment in the cabinet flows through the air guide passage to the air conditioner, and thus a circulating air duct is formed in the air guide cabin. Compared with the prior art, the container base station cabinet temperature regulation system has the advantages of low energy consumption and good temperature regulation effect and the like.

Disclosed is an intelligent pipeline pressurized type network cabinet and server cooling system. The system comprises a central air conditioner, an air compressor and a network cabinet. The central air conditioner is successively connected with the air compressor and the network cabinet through an air channel, the air channel is divided into a plurality of branch air channels after entering the network cabinet, each branch air channel is arranged near to a server on each shelf in the network cabinet, the cold air nozzles at the end portions of the branch air channels are adjustably arranged at the hot spot positions of the servers according to needs, the connection position of the branch air channels and the main air channel is provided with an adjustable valve, the servers are provided with temperature sensors, the adjustable valves and the temperature sensors are connected with a remote intelligent manager, and the remote intelligent manger is electrically connected with a control interface. According to the invention, cold air is directly transmitted to the centralized hot spot of a data center through a pressurized pipeline for fixed point refrigeration on the hot spot, such that the waste of the cold air during the process of reaching the hot spot is reduced, the hot spot can be accurately aligned, and the refrigeration efficiency can also be improved. Besides, through intelligent control of the control interface, supply according to needs is realized, unnecessary waste is not caused, and the purposes of saving energy, reducing emission and improving economic benefits can be achieved.

The invention belongs to the technical field of refrigeration, and discloses drinking liquid refrigeration equipment. The equipment comprises a machine enclosure provided with a liquid adding openingand a drinking supply opening, a storage container, a refrigeration transfer part, a liquid driving device, a semiconductor refrigeration chip and a hot end radiator are arranged in the machine enclosure, and the hot end radiator makes contact with the hot end of the semiconductor refrigeration chip; the refrigeration transfer part is in contact with the cold end of the semiconductor refrigerationchip; the liquid driving device is suitable for guiding the heat convection movement of the drinking liquid, and is suitable for enabling partial area of the drinking liquid to form local turbulent flow. The refrigeration equipment not only can effectively improve the refrigeration efficiency and the refrigeration capacity, but also is uniform in the refrigeration temperature and capable of improving the user experience.

A computer host is composed of a main board at a back plate of a case body therein, a power supply at the junction of a right side board and the top board of the case body, a heat dissipation fan at the right side board opposite to the power supply, and a controller at the junction of the right side board and the bottom board of the case body. The heat dissipation fan is connected with power supply circuit through the controller. The controller comprises a metal casing, a left power supply wire, a right power supply wire, a left conductive sheet, a right conductive sheet, a left conductive fold, a right conductive fold, a left wax strip, a right wax strip and a middle conductive part. This computer host not only has high heat dissipation efficiency, but also has strong controllability.