263results about How to "Efficient heat dissipation" patented technology

This invention discloses a wind-cooled multi-channel solid-state circuit breaker cabinet, comprising a cabinet body and a wind-cooling heat dissipation system. The cabinet interior is divided layer by layer from front to back by longitudinal beams into an isolation zone, a first component mounting zone, a heat dissipation zone, and a second component mounting zone. The wind-cooling heat dissipation system includes air inlets at the bottom of the front and rear doors and air outlets at the top, as well as a heat dissipation structure located within the heat dissipation zone. The heat dissipation structure includes a radiator duct and optional fan assemblies, which can be flexibly configured according to power switching components with different thermal powers to achieve precise and efficient heat dissipation. Each electrical channel has an independent control panel corresponding to the front door, integrating a display screen, indicator lights, and buttons, supporting independent on / off control of multiple circuits. This invention, through reasonable functional zoning and air duct design, solves the problems of low heat dissipation efficiency and poor multi-circuit adaptability in existing technologies, and has the advantages of high heat dissipation efficiency, reasonable layout, convenient operation and maintenance, and good protection.

The utility model discloses an atmosphere lamp control equipment for e-sports stadium stage, include: control platform and heat abstract mechanism, heat abstract mechanism includes heat dissipation support, heat pipe, be used to place the placement arc plate of heat pipe and be used for the positioning clamping piece of heat pipe clamping, heat dissipation support installs inside control platform, heat pipe is fixed through placement arc plate in heat dissipation support bottom, and through positioning clamping piece, heat pipe is clamped and fixed in heat dissipation support bottom, the utility model discloses a heat abstract mechanism is set up, not only can in the air of outside through the air collector box and blow to heat pipe in, and export control platform from the other end, the component and element in control platform inside cooperate and install with heat dissipation support, and the heat generated is transferred to heat dissipation support and heat pipe, and the heat on heat dissipation support and heat pipe is exported through the wind of outside, to realize efficient heat dissipation to control platform to the different size heat pipe is clamped and fixed according to the heat dissipation demand to satisfy the heat dissipation demand of control platform.

The present application provides a heat dissipation interface module structure, which is applied to the heat dissipation of a memory with a heat dissipation element, and includes at least one body and at least one thermal interface unit. The body has a cavity, and the thermal interface unit is arranged in the cavity. The body is arranged between the heat dissipation element and the memory and contacts the two, and the heat of the memory is transmitted to the heat dissipation element through the thermal interface unit of the body. In addition, the heat dissipation element and the thermal interface unit are not directly contacted through the body, thereby solving the problems of tearing, residual glue or scratching the heat dissipation element of the thermal interface unit caused by replacing the thermal interface unit in the conventional heat dissipation module.

The utility model discloses a protective MOS tube, and relates to the technical field of MOS tubes. Comprising an MOS tube main body, the back surface of the MOS tube main body is provided with an assembly groove, a metal protection sheet is clamped through the assembly groove, the metal protection sheet is provided with a strip-shaped clamping groove, the MOS tube main body comprises a plastic package shell, a lead frame and an MOS chip, the lead frame is installed in the plastic package shell, and the MOS chip is welded on a bonding pad of the lead frame. According to the protection type MOS tube, when the protection type MOS tube needs to be transported or carried, the metal protection sheets are detached from the assembling grooves and clamped at the pins under the action of the strip-shaped clamping grooves, the stress surface is increased, the structural strength of the pins is improved, and therefore the protection effect is achieved, and when the protection type MOS tube is used, the metal protection sheets are detached from the pins and reassembled into the assembling grooves, so that the metal protection sheets are not damaged. And the heat-conducting copper sheet is attached to the heat-conducting copper sheet, so that the heat dissipation area can be enlarged, heat convection can be accelerated, efficient heat dissipation can be realized, and stable work of the MOS tube can be ensured.

The utility model discloses a kind of traction converter and city rail vehicle based on whole vehicle water cooling coupling, including cabinet body, and the pre-charging component, voltage detection component, control unit, water-cooled converter module, filter component, isolation contactor, direct current input current sensor, discharge resistance and support capacitor being set in cabinet body;The cabinet body both sides are respectively equipped with water inlet and water outlet, and the water inlet and water outlet are connected with water-cooled converter module, to realize water-cooled converter module access whole vehicle cooling loop;Modular peripheral interface is equipped in the cabinet body side, to match emergency brake resistance and electric reactor.The utility model has the characteristics such as miniaturization, light weight, high integration, effectively breaks through city rail vehicle space limit, and provides innovative solution for the efficient and reliable operation of traction system.

This utility model provides a frame for a high-frequency transformer, relating to the field of electrical component technology. It includes: a frame support; a winding post on top of the frame support; a limiting end plate on the top of the winding post; two support partitions fixedly connected to the bottom of the frame support; winding groove plates on the front and rear edges of the frame support; a limiting baffle plate installed in front of the winding groove plate by screws; an anti-loosening pressure plate below the winding groove plate; and an insulating pressure block fixedly connected above the anti-loosening pressure plate. This ensures that the wires, leads, and winding groove plates are tightly fitted, improving the strength of the wire winding and enhancing the vibration resistance of the high-frequency transformer. This makes it more suitable for electrical equipment operating in environments with frequent vibrations, solving the problem that electrical equipment operating in environments with frequent shaking is prone to loosening due to vibration, leading to transformer failure and making it unsuitable for special working environments such as those with frequent vibrations.

The utility model discloses a heat dissipation structure and a heat dissipation battery pack, and relates to the technical field of battery pack heat dissipation, the heat dissipation structure comprises a heat dissipation assembly, the heat dissipation assembly comprises a heat dissipation main body and a heat conduction plate, the heat conduction plate is used for being connected with the battery pack and transmitting heat generated by the battery pack, and the heat dissipation main body is connected with the heat dissipation main body. A heat dissipation cavity is defined by the heat dissipation main body and the heat conduction plate; and the heat conduction plate can transfer heat generated by the battery pack to the heat dissipation cavity. According to the technical scheme provided by the utility model, the problems that in the driving process of the new energy automobile, the battery pack is in a long-term working state, heat accumulation is easily caused, then the battery pack is damaged, and even serious safety accidents such as battery short circuit and fire are possibly caused can be solved.

The utility model discloses a double-battery high-power automatic switching charging system, which comprises a switching power supply circuit, a main control circuit, a fan control circuit, an output current detection circuit, a first output control circuit and a second output control circuit, a first output port of the first output control circuit is connected with the output end of the first switching circuit and the output end of the first pre-charging circuit, and the input end of the first pre-charging circuit and the first control end of the first switching circuit are connected with the main control circuit; a second output port of the second output control circuit is connected with the output end of the second switching circuit and the output end of the second pre-charging circuit, the input end of the second pre-charging circuit and the first control end of the second switching circuit are connected with the main control circuit, and the input ends of the first switching circuit and the second switching circuit are connected with the output end of the switching power supply circuit; the main control circuit is connected with the first output port and the second output port through the output current detection circuit. According to the utility model, the two batteries can be charged in sequence, which is convenient for users to use.

This invention discloses a self-cleaning radiative cooling coating based on biomass carbon quantum dots, its preparation method, and its application. The coating comprises a polymer film-forming resin, carbon quantum dots, and hollow glass microspheres; wherein the mass ratio of the polymer film-forming resin to the filler is 1:(0.1-0.5), and the mass ratio of the hollow glass microspheres to the carbon quantum dots is 1:(0.05-0.2). This invention synergistically enhances solar reflectivity through the photoluminescence properties of carbon quantum dots and the scattering properties of hollow glass microspheres, while simultaneously utilizing the synergistic effect of fluorinated resin and modified hollow glass microspheres to endow the coating with superhydrophobic self-cleaning function. A single layer of this coating can achieve a solar reflectivity >92%, mid-infrared emissivity >94%, and contact angle >150°, possessing both efficient daytime radiative cooling and long-lasting self-cleaning performance. It is particularly suitable for passive heat dissipation of outdoor equipment such as new energy vehicle charging piles, and features simple process, environmental friendliness, and excellent performance.

The invention belongs to the technical field of powder metallurgy, and particularly relates to a preparation method of a titanium alloy part with a precise inner runner, which comprises the following steps: preparing a required inner runner structure model by adopting a 3D printing technology, obtaining a titanium alloy blank with an inner runner structure through positioning pressing, degreasing and sintering, and finally preparing the titanium alloy part with the precise inner runner according to the size requirement of a finished product. And the titanium alloy part with the fine inner runner can be obtained only by performing finished product processing on the appearance of the runner plate. According to the method, machining and subsequent welding procedures of the titanium alloy inner runner are avoided, the preparation period is greatly shortened, meanwhile, the problems of titanium alloy plate deformation caused by the inner runner machining process in a conventional method and welding defects, low welding yield and the like in the welding process are avoided, the yield of the runner plate can be effectively increased, and the production cost is reduced. And the production cost is greatly reduced.

The automatic fire extinguishing equipment comprises a protective shell, a lithium battery body is connected to the interior of the protective shell, a heat dissipation sealing mechanism is arranged on the outer side of the protective shell, and a partition fire extinguishing mechanism is arranged on the inner side of the protective shell; the heat dissipation sealing mechanism is arranged on the outer side of the protective shell, and the connecting piece, the multiple sealing blades, the first supporting arm, the second supporting arm, the extending plate, the transmission piece and the adjusting rod are arranged in a series linkage mode, so that the first motor can synchronously adjust the opening or closing state of the multiple sealing blades when being controlled and driven; in the normal working process of the lithium battery body, efficient heat dissipation is achieved in cooperation with the ventilation pipe and the heat dissipation fan, the ventilation channel can be rapidly closed when temperature rises abnormally, external air is prevented from entering the protection shell, and the combustion condition is weakened from the environment level.

This utility model provides an oil-filled deep well pump with a built-in controller, relating to the field of deep well pump technology. It includes an external protective housing, which is divided into a control chamber and a rotating chamber. A deep well motor is housed within the rotating chamber, and a controller is housed within the control chamber. The controller is covered with a cured protective layer formed by an insulating sealant. Multiple through slots are formed at the junction of the control chamber and the rotating chamber. The controller's lead wires extend through these slots to a terminal block on the top side of the external protective housing. The control chamber is filled with cooling oil, and a sealing cap is threaded to the bottom of the control chamber. This invention addresses the technical problems of current deep well pumps, which typically use external controllers. These problems include complex installation, poor protection, and insufficient heat dissipation. Furthermore, attempts to integrate the controller into deep well pumps face challenges such as difficult lead wire layout and low heat dissipation efficiency.

The invention discloses a compact environment-friendly gas-insulated totally-enclosed ring main unit, and relates to the technical field of ring main units, in particular to a compact environment-friendly gas-insulated totally-enclosed ring main unit, which comprises a cabinet body, fins, a cleaning mechanism and an engineering dry air mechanism, fins achieve heat dissipation of the cabinet body, the cleaning mechanism cleans dust on the fins through a rolling brush, a spray head at the bottom of a first pipeline can wet the rolling brush when a temperature sensor detects that the temperature exceeds 50 DEG C, and a support is matched with the spray head to move up and down to achieve the dual functions of cleaning and cooling. The engineering dry air mechanism preheats air through a heating pipe and a heating wire of a second pipeline, then the air is dehydrated and air-dried through a small thermal cycle air bellow, generated dry air is introduced into an air box for insulation arc extinguishing, and meanwhile the temperature of the air box is controlled to guarantee the insulation performance. The ring main unit is compact in structure, dry air is non-toxic and non-combustible, greenhouse effect is avoided, and the ring main unit is environment-friendly, reliable in operation and suitable for various power distribution scenes.

The application discloses a phased array synthetic jet micro-actuator device, which comprises a substrate, a substrate, a plurality of vibration units and a top cover; the plurality of vibration units are arranged in the space surrounded by the substrate frame along the transverse direction of the substrate; the diaphragm of the plurality of vibration units can generate vibration perpendicular to the surface of the substrate under an applied driving signal; and the input voltages of two adjacent vibration units are opposite; the upper surface of the substrate is sealingly connected with the top cover; the lower surface of the top cover and the vibration upper surface of the plurality of vibration units form a communication airflow channel; along the transverse direction of the substrate, air outlets which are in communication with the airflow channel are respectively arranged on the two end sidewalls of the top cover; along the transverse direction of the substrate, the substrate is provided with an air inlet which penetrates the thickness of the substrate; external airflow can be sucked into the airflow channel through the air inlet; and the vibration units and the air inlet are alternately and spacedly arranged along the transverse direction.

The utility model discloses an infrared heat radiation structure, include: radiator, front casing, rear casing, core and heat dissipation film, the core the radiator and the heat dissipation film all set up in the cavity between the front casing with the rear casing form, the core one end with the rear casing joint, the front casing with the rear casing joint, the heat dissipation film set up in the lower extreme of the core, the radiator set up in the upper extreme of the core. Through the application of the utility model, propose an infrared heat radiation structure, its through radiator and heat dissipation film can realize the efficient heat dissipation of connector, through radiator and heat dissipation film heat dissipation simultaneously, can in time with the heat of core production radiate, avoid the core and lead to the performance decline because of overheating, be favorable to improve the stability and reliability of connector, prolong the service life of core, reduce the equipment failure probability because of high temperature, guarantee the stable operation of electronic equipment.

The utility model belongs to the technical field of multi-mode gateways, and particularly relates to a multi-mode gateway integrated with smart home, which comprises a fixed shell, the upper surface of the fixed shell is provided with equidistantly arranged holes, the upper surface of the fixed shell is clamped with the multi-mode gateway, the inner bottom wall of the fixed shell is fixedly connected with a controller, the fixed shell is internally provided with a temperature sensor, and the temperature sensor is connected with the controller. The bottom surface of the fixing shell fixedly communicates with an air guide pipe, a fan blade frame is arranged in the air guide pipe, a rotating motor is arranged on the outer surface of the air guide pipe, and the power output end of the rotating motor is fixedly connected with the end, close to the temperature sensor, of the fan blade frame. And meanwhile, a temperature sensor is matched with a controller, the working temperature in the fixing shell and the working temperature in the multi-mode gateway can be sensed, the rotating motor can be automatically started or stopped according to the set temperature, and then the fan blade frame and the inner ring of the rotating bearing can be driven to rotate through starting and rotating of the rotating motor.

The utility model belongs to the field of high -power test equipment especially relates to a heat pipe radiator for test equipment, including heat conduction matrix, heat pipe, heat dissipation matrix, heat conduction matrix is connected with heat dissipation matrix, it is equipped with a plurality of through -hole in the middle heat conduction matrix, the fixed connection of heat pipe has on heat dissipation matrix, the evaporation section of heat pipe is close to heat conduction matrix, the fixed connection of a plurality of radiating fins has on heat dissipation matrix, and the condensation section of radiating fin is close to heat pipe. Advantage is: has high -efficient heat dissipation, good dustproof, space utilization high -efficient, the advantage that heat is conducted downward, can effectively solve the heat dissipation problem of high -power test power supply equipment under special working condition, improves the operating stability and life of equipment.

This application relates to a motor heat dissipation mechanism for a vacuum cleaner, belonging to the field of mechanical heat dissipation. It includes a stator, a rotor, an air inlet housing, a rotating shaft, an end cover, a moving impeller, and a first stationary impeller. The stator is fixed inside the first stationary impeller, and the moving impeller is located inside the air inlet housing. There is a gap between the outer circumferential wall of the moving impeller and the inner wall of the air inlet housing. The first stationary impeller is fixedly connected to the end cover, and the rotating shaft is rotatably connected to the first stationary impeller. A cooling air duct is provided between the inner wall of the first stationary impeller and the outer wall of the stator. A baffle shell is fixedly provided on the outer circumferential wall of the first stationary impeller and is fixedly connected to the air inlet housing. A second stationary impeller is coaxially fixed at the end of the first stationary impeller near the moving impeller, and the outer circumferential wall of the second stationary impeller is in contact with the inner wall of the air inlet housing. A cover plate for mounting a circuit board is fixedly provided at the end of the end cover away from the first stationary impeller, and the end cover has several ventilation holes. This application has the effect of reducing dust accumulation in the vacuum cleaner motor and achieving simultaneous and efficient heat dissipation.

The utility model relates to a heat exchange equipment technical field of hydraulic system especially air -cooled oil cooler, including first change through subassembly, and the second change through subassembly is installed to the drainage end, install straight -through pipe between first change through subassembly and second change through subassembly, when oil cooler is in first state, first change through subassembly, heat exchange pipe, second change through subassembly are intercommunication state, when oil cooler is in second state, first change through subassembly, straight -through pipe, second change through subassembly are intercommunication state. The structure makes oil liquid in cold start stage can flow directly through straight -through pipe, avoids low temperature high viscosity oil liquid to produce excessive pressure drop through heat exchange pipe, lightens the system burden, in normal working stage, oil liquid flows through heat exchange pipe and realizes efficient heat dissipation with fin and fan cooperation. Thus both ensure low pressure drop of cold start stage, and ensure good heat exchange effect of normal working stage.

The invention relates to a dual-module intercooler type fuel cell cathode inlet temperature and humidity cooperative control method. The method comprises the steps that fuel cell cathode air inlet real-time state parameters and operation parameters are obtained, a multivariable coupling prediction model is constructed after preprocessing, and a temperature and humidity reference and an oxygen stoichiometric ratio target reference are set in combination with heat exchange characteristics of a dual-module intercooler; then the core body heat exchange distribution proportion is regulated and controlled, humidification adjustment is matched, and the core body heat exchange distribution proportion and the humidification adjustment intensity are dynamically adjusted according to the real-time working condition; comparing the deviation between the adjusted actual temperature and humidity and the target temperature and humidity reference, and correcting the heat exchange distribution proportion and the humidifying adjustment parameter through a dynamic constraint correction model; cooperative regulation and control of cathode inlet temperature and humidity are realized, dynamic change of working conditions is adapted, and stable operation of the fuel cell is guaranteed.

The application discloses a rapid cooling device for inoculant, wherein the output end of the water cooling tank is located in a cooling box, a quick cooling box is arranged in the cooling box, a water collecting tank is connected to the lower part of the quick cooling box, the sidewall of the water collecting tank is connected with the input end of a circulating pump, an aluminum plate is arranged at the bottom of the quick cooling box, the outer side of the aluminum plate is connected with a refrigeration fin, and a leakage opening is arranged at the position where the aluminum plate communicates with the water collecting tank. The high-temperature inoculant can be cooled after water is injected into the water cooling tank, the water in the cooling process is discharged, the water collected in the conical tank is thrown into the quick cooling box, and finally falls on the aluminum plate of the quick cooling box. The water contacting the aluminum plate forms an ice layer, the continuously discharged water can be quickly cooled by heat absorption, the cooled water is continuously discharged into the water collecting tank, and finally is delivered into the water cooling tank through the circulating pump, so that the high-temperature inoculant melt is efficiently cooled, and the use cost of the equipment in the cooling process is lower.

The utility model relates to the field of cold accumulation, in particular to a bent pipe heat dissipation belt cold accumulation module which comprises heat dissipation fins, a cold accumulation module shell, a liquid outlet pipe, a liquid inlet pipe, a heat exchanger core, bent pipes, additional fins, a cover plate, a cold accumulation agent filling port and a filling port cover with a temperature sensor. The bent pipe heat dissipation belt heat exchanger and the cold storage module are combined in a built-in embedded installation mode, meanwhile, the heat dissipation fins capable of enhancing heat exchange are additionally arranged and used for assisting the cold storage module to dissipate heat more quickly, efficient heat exchange is achieved through the synergistic effect of the bent pipe heat dissipation belt heat exchanger and the heat dissipation fins, and the heat dissipation efficiency is improved. And the overall refrigeration capacity upper limit of the cold storage module is improved. Through the design, a new thought is provided for optimization of the cold storage type vehicle-mounted refrigerator heat management system.

A metal block (2) is formed on a main surface of a circular plate-shaped metal submount (1). The block (2) has a mounting surface (2a) and a heat dissipation surface (2b) on the opposite side of the mounting surface (2a). A semiconductor laser chip (6) is mounted on the mounting surface of the block (2). A cap (9) has a lens (10) that condenses a laser beam emitted from the semiconductor laser chip (6) and a lens barrel (11) that holds the lens (10) and is fixed to the metal submount (1) or the block (2). The heat dissipation surface of the block (2) is not covered by the lens barrel (11) and is flush with a side surface of the metal submount (1).

The utility model discloses a kind of high-stability corrosion-resistant single-point mooring ultra-thin wall bearing devices, including outer ring body, reinforcing support plate inner wall middle position is equipped with oil filler, and reinforcing support plate inside upper and lower edge is equipped with splicing slot, splicing slot inner wall is inserted and is installed with mounting block, and mounting block one side is rotatably embedded and installed with sliding bead, mounting block and reinforcing support plate one side are inserted and installed with first fixed bolt.This kind of high-stability corrosion-resistant single-point mooring ultra-thin wall bearing device can be side supported by reinforcing support plate, and can be stably rotated by sliding bead, mounting block, and the effect is good, and high-efficiency corrosion-resistant treatment can be carried out by the zirconia ceramic ball material quality of ball and the double-layer structure of nano ceramic coating and organic fluorocarbon coating coating, can adapt to complex marine environment, and high-efficiency heat dissipation can be carried out while being fixed by bolt seat, heat-conducting block and second fixed bolt, and the effect is good.

This utility model provides an integrated multi-functional smart speaker, relating to the field of smart speaker hardware structure technology, including a housing head, a housing body, and a housing base; the housing head is hemispherical, with an OLED display screen inside, and four microphone pickup holes on the outside of the housing head, the microphone pickup holes being covered with dustproof mesh. This utility model adopts a partitioned layout, with the communication area near the heat dissipation holes and antenna, the voice area near the pickup holes, and the control area located in the center, reducing signal interference and heat accumulation between modules, improving 4G / WiFi signal stability and voice pickup effect. It features high integration and low interference, solving the problem in existing smart speakers where 4G communication, WiFi hotspot, and voice interaction modules are mostly independent components with scattered layouts, resulting in large speaker size, severe internal signal interference, low integration of functional modules, and affecting 4G / WiFi signal stability and voice pickup effect.

The utility model relates to the technical field of cutting tools, and discloses a tungsten steel alloy cutting tool which comprises a tool handle, a tool bit is movably arranged above the tool handle, an installation tool holder is fixedly arranged below the tool bit, a chip groove is fixedly formed in the tool bit, an installation opening is fixedly formed in the upper portion of the tool handle, and the installation tool holder is fixedly connected with the installation opening. A limiting cabin is fixedly arranged on the inner side of the knife handle, a positioning pad is fixedly arranged on one side of the inner side of the limiting cabin, a limiting ring is fixedly arranged on the outer side of the knife handle, a threaded rod is fixedly arranged on the inner side of the limiting ring, an adjusting grip is fixedly arranged on one side of the threaded rod, and a clamping plate is fixedly arranged on the other side of the threaded rod; a partition plate is fixedly arranged on the inner side of the knife handle. According to the tungsten steel alloy cutting tool, the spiral heat dissipation pipe is arranged on the inner side of the installation tool holder and matched with the circulating pump and the flexible flow guide pipe, efficient circulating heat dissipation is achieved, the temperature of the tool bit is effectively reduced, and the service life of the tool is prolonged.

The utility model discloses an adjustable switch for a computer network, which comprises a machine body, a cover plate is mounted outside the machine body, and a mounting frame is fixedly connected to the back of the machine body. According to the utility model, by rotating the bidirectional threaded rod, the two threaded sleeves can move towards or away from each other along the outside of the bidirectional threaded rod, and the two mounting sleeves can move towards or away from each other synchronously, so that the two mounting sleeves can be matched with the two formed mounting holes in a spacing manner, the convenience in the mounting process can be realized, accurate measurement and punching are not needed, and the mounting efficiency is improved. Heat dissipation of the interior of the machine body can be achieved through the combination of the air inlet holes and the heat dissipation holes, when heat dissipation is poor in summer or a narrow space and the temperature in the machine body rises, the temperature sensor can conduct real-time monitoring, and when the temperature reaches a preset value, the exhaust fan starts to work synchronously; outside air can be accelerated to enter the machine body from the air inlet holes, and meanwhile high-temperature air in the machine body can be rapidly exhausted from the heat dissipation holes.

The invention relates to a multi-band multi-window collaborative partitioned heat dissipation photoelectric device packaging structure, and belongs to the technical field of photoelectric device packaging. The structure comprises a partition heat dissipation substrate assembly, a sub-band multi-window cover plate assembly and a tube shell. The partition heat dissipation substrate assembly comprises a circuit board, a heat dissipation module and a photoelectric detection chip. The circuit board is divided into N independent areas, and each area is provided with a photoelectric detection chip mounting groove; independent heat dissipation modules are mounted at the bottoms of the independent areas respectively; the sub-band multi-window cover plate assembly comprises a cover plate and a sub-band light window element; the cover plate is provided with N light window hole sites corresponding to the mounting positions of the photoelectric detection chips; the sub-band light window element is used for transmitting light of different bands; the sub-band multi-window cover plate assembly and the tube shell are fixed to form a sealed cavity, and the sub-band heat dissipation substrate assembly is arranged in the cavity. According to the invention, high light transmission, partitioned uniform heat dissipation, high air tightness and accurate light path alignment of the multiband photoelectric device are realized, and the working stability of the multiband photoelectric device in a complex environment is improved.

This utility model discloses a high-efficiency heat dissipation device for servers, comprising a housing and an intake fan. The housing has an axially penetrating heat dissipation channel with an air inlet and an air outlet arranged opposite each other. The intake fan is disposed at the air inlet. The housing also includes at least one auxiliary air duct formed on the housing, with an auxiliary air inlet and an auxiliary air outlet arranged opposite each other. The auxiliary air outlet is connected to the heat dissipation channel, and the auxiliary air inlet and the air inlet are located on the same plane. Compared with traditional cooling fans, the high-efficiency heat dissipation device for servers provided by this application can achieve a greater cooling flow effect at the same motor speed, thus achieving efficient heat dissipation, while reducing mechanical noise generated by rotation at lower motor speeds.

This utility model relates to the field of cooling tower cooling systems, and more particularly to a water turbine cooling tower fan, comprising a housing, a rotating block, fan blades, a mounting base, and a baffle. The housing has an upper opening at its upper end, and a mounting frame is fixed to the inner wall of the upper opening. A rotating block is rotatably mounted on the upper end of the mounting frame, and fan blades are mounted on the outer wall of the rotating block. A fixing frame is fixed to the lower end of the mounting frame, and a limiting rod is provided at the lower end of the fixing frame. A threaded post is fixed to the surface of the limiting rod. A mounting base is provided inside the housing, and a retainer is fixed inside the mounting base. The retainer is threadedly connected to the threaded post, and a blower is provided on the surface of the retainer. Heat dissipation grooves are formed on the outer wall of the housing, and a baffle is provided on the outer wall of the housing. This device can achieve efficient heat dissipation by utilizing a float block in conjunction with a multi-angle adjustable blower and an adjustable-opening baffle, solving the problem of poor cooling effect in existing water turbine cooling tower fans.