69results about How to "Improve heat dissipation and cooling efficiency" patented technology

The present invention discloses a cabinet cooling system for servers of a cloud computing computer room. The cabinet cooling system comprises a closed cabinet; the cabinet is used for placing server chassis; Hot air exhaust pipes are arranged at one sides of the server chassis and cold air boxes are arranged at the other sides of the server chassis; an air conditioning cold wind outlet is connected with a cold wind flow pipeline; the cold wind flow pipeline is connected with a plurality of cold wind conveying pipes by a cold wind flow dividing apparatus; the cold wind conveying pipes are connected with the cold air boxes; electromagnetic control valves are arranged on all the cold wind conveying pipes; a unidirectional centrifugal fan is arranged on the cold wind flow pipelines; a wind inlet frequency converter is mounted on the unidirectional centrifugal fan; a hot air fan is arranged at the upper part of the cabinet; a wind outlet frequency converter is arranged on the hot air fan; and the signal input ends of the wind inlet frequency converter, the wind outlet frequency converter and the electromagnetic control valves are all connected with a controller. The cabinet cooing system has a simple structure, is convenient and rapid to mount, efficiently solves the problems of overheated local parts and hot spots of the servers, has good radiating and cooling effects and ensures safety and reliability of operation of the servers.

The invention discloses a power distribution cabinet providing convenience for ventilation and heat dissipation. The power distribution cabinet comprises a power distribution cabinet body, the portion, close to the inner wall of the bottom, of the power distribution cabinet body is fixedly connected with a thermal baffle, and a cooling box is arranged on the bottom wall inside the power distribution cabinet body; a coil pipe is arranged inside the cooling box, two ends of the coil pipe are both in through connection with pipeline interfaces, and one end of the coil pipe is in through connection with an air suction pipe through one interface; one end of the air suction pipe penetrates through the cooling box and the inside of the power distribution cabinet, extends to the outside, and is inthrough connection with a sucker, and the through portion between the air suction pipe and the cooling box is fixedly sleeved with mechanical seal; an exhaust fan is connected with two ends of the air suction pipe, an air suction box is arranged on the surface of the sucker, and filter cotton is arranged on the surface of the air suction box. By arranging the coil pipe, drying cotton and a firstshutter, the power distribution cabinet can effectively cool the inside of the power distribution cabinet body, avoid that an excess temperature inside the power distribution cabinet body destroys electric devices, and improve the heat dissipation and cooling efficiency of the power distribution cabinet body.

The invention discloses a heat dissipation device for mechanical and electrical equipment, belonging to the field of mechanical and electrical equipment. The heat dissipation device for mechanical andelectrical equipment includes a heat dissipation box and a base fixedly connected at the bottom of the heat dissipation box. The middle of the lower end of the heat dissipation box is fixedly connected to the base through a support seat. The heat dissipation box is internally sleeved with a U-shaped heat conducting plate. The outer side wall of the U-shaped heat conducting plate is in sealing connection with the heat dissipation box. Multiple strip-shaped heat dissipation cavities are arranged in the two side walls of the inner bottom of the heat dissipation box, and heat dissipation strips are embedded into the strip-shaped heat dissipation cavities. Rectangular heat dissipation cavities are arranged in the left and right side walls of the heat dissipation box, and heat dissipation plates are embedded into the rectangular heat dissipation cavities. Through the cooperation of the U-shaped heat conducting plate, the heat dissipation strips and the heat dissipation plates, the hot air in the heat dissipation box can be transferred out. Through the use of a heat dissipation fan, a water cooling circulation device and a flow channel, the heat dissipation and temperature reduction efficiency of the heat dissipation box is further improved, and a good temperature reduction and heat dissipation environment is provided for the mechanical and electrical equipment in the heat dissipation box.

A microflute group heat-sink cooling method characterized by that, a plurality of microflutes are arranged at the radiating region near the external surface of the heater forming a microflute group, the liquid actuating medium in the microflutes can form high-intensity evaporation at the heated region for removing heat produced by the heater, thus cooling the heater through evaporation. The advantages of the invention are no power consumption, small heat dissipation area, high heat dissipation flow density and high intensity of heat.

The invention provides a heat dissipation device, which controls a heat dissipation assembly and a washing machine. The heat dissipation device comprises a water-cooled heat sink (1) capable of receiving condensed water generated by an air-conditioning evaporator, and cooling and dissipating heat through the flow of the condensed water and an electric box (2). The invention effectively replaces the existing heat dissipation mode of using a heat dissipation fan to dissipate heat to the controller, the cooling efficiency of heat dissipation is high, As that radiator has the defect that the temperature of the radiator is high when the radiator is in high frequency operation and the heat dissipation effect is poor, the heat dissipation effect of the radiator is effectively overcome, effectively reducing the temperature of the radiator on the control board when the compressor is running at high frequency, The IPM module of the compressor and the motor is protected from burning out or high temperature protection due to excessive temperature, and the forced convection heat dissipation fan is not required to be added, the volume and weight of the heat dissipation fan are reduced, the structure of the electric box is simplified, the running noise of the whole machine is reduced, and the reliability of the circuit board is improved.

The invention discloses a rainproof electrical installation cabinet, which comprises a bottom plate, wherein a cabinet body is welded to the top outer wall of the bottom plate, a partition plate is welded to the inner wall of the cabinet body, a storage cavity is formed below the partition plate, semiconductor refrigeration chips distributed at equal intervals are welded to the inner wall of the bottom of the cabinet body, a refrigerant is contained in the storage cavity, an air inlet groove penetrating through the bottom plate is formed in the middle of the partition plate, an air inlet fan is welded to the inner wall of the air inlet groove, a water suction box welded into the air inlet groove is arranged below the air inlet fan, damping springs and damping sponges are distributed on theouter wall of the top of the partition plate at equal intervals, and a mounting plate slidably connected with the inner wall of the cabinet body is welded to the tops of the damping springs and damping sponges. According to the invention, an air inlet fan sucks in external air, a dustproof net and a water suction box filter and adsorb dust impurities and moisture, a refrigerant cools the air, anair outlet fan discharges heat, the heat dissipation and cooling efficiency is improved, the fan increases air flow, a humidity sensor prevents rainwater from entering the cabinet body, and a drying net box absorbs the moisture in the air.

The invention discloses a charging station and a charging station cooling control method and relates to the technical field of charging equipment. The charging station comprises a station body, a control system, a liquid cooling and circulating system and a charging cabinet. And the charging cabinet is arranged in the station body. The liquid cooling and circulating system comprises a fan, a circulating pump, an electromagnetic valve, a switch valve, a circulating channel pipe, a first heat exchange pipe and a second heat exchange pipe. The first heat exchange pipe is arranged adjacent to thecharging cabinet. The switch valve is used to open or close the first heat exchange pipe. The fan is used for guiding the airflow to flow through the second heat exchange pipe. The circulating channelpipe is communicated with the first heat exchange pipe and the second heat exchange pipe. And a circulating pump is arranged in the circulating channel pipe. A solenoid valve is used to open or closethe circulating channel pipe. A control system is used for controlling the charging cabinet, the solenoid valve, the circulating pump, the switch valve and the fan. The invention also relates to a charging station cooling control method, which is applied to the charging station. According to the invention, the charging station and the charging station cooling control method can improve the heat dissipation effect and prolong the service life of the charging station.

The invention provides a heat dissipating system, and further provides a blade server. The heat dissipating system comprises at least two liquid cooling block groups (1), a liquid inlet pipe (5), a first liquid distributing block (6), a liquid outlet pipe (7), a second liquid distributing block (8) and a middle liquid distributing block (9), wherein each liquid cooling block group (1) is provided with at least two liquid cooling blocks (2), and each liquid cooling block (2) comprises a coolant inlet (3) and a coolant outlet (4); one end of the first liquid distributing block (6) is communicated with the liquid inlet pipe (5), and the other end of the first liquid distributing block (6) is communicated with each coolant inlet (3) of each liquid cooling block (2) in each liquid cooling block group (1); one end of the second liquid distributing block (8) is communicated with the liquid outlet pipe (7), and the other end of the second liquid distributing block (8) is communicated with each coolant outlet (4) of each liquid cooling block (2) in each liquid cooling block group (1); the two ends of the middle liquid distributing block (9) are communicated with every two adjacent liquid cooling block groups (1) respectively. The heat dissipating system and the blade server can at least achieve fast, efficient and even distribution and recycling of coolants used for cooling.

The invention discloses an explosion-proof electrical cabinet. The cabinet comprises a box body. Multiple groups of vent holes are formed in the inner wall of the box body. The number of the vent holes in each group is two. The two vent holes in the same group are coaxially arranged. A sealing plate is arranged in each vent hole. A plurality of L-shaped brackets are fixedly connected to the innerwall of the box body. The plurality of L-shaped brackets and the plurality of vent holes are arranged in a one-to-one correspondence manner. Guide rods are fixedly connected to the side, close to theL-shaped support, of the sealing plate, a supporting spring is fixedly connected between the L-shaped support and the sealing plate, an arc-shaped rod is fixedly connected between the two guide rods on the same axis, and an air pumping device is arranged on the outer side of the box body and can pump air into an inner cavity of the box body through a vent hole. Gas is injected into the pushed ventholes, passes through the inner cavity of the box body and then is exhausted through the opposite vent holes, and the components are mounted on the corresponding gas paths, so that the components needing to be cooled are subjected to centralized heat dissipation in a targeted manner, and the heat dissipation and cooling efficiency is high.

The invention discloses a control method of a heat dissipation system of a high-capacity generator set. The method comprises the following steps: when a rotating wheel drives a rotor to rotate to generate electricity, a rotating shaft on the rotor driving centrifugal fan blades to rotate, so that cold air at the air inlet end is sucked in, flows out in the radial direction through vent holes in amagnet yoke, is sprayed to a stator to absorb heat to become hot air, and is exhausted outwards through the air outlet end; detecting a temperature difference delta T between the air outlet end and the air inlet end, and comparing the temperature difference -T with a set temperature difference delta T; when -T is less than or equal to 0.95[delta]T, reducing the friction force between the rotatingshaft and the centrifugal fan blades to reduce rotating speed of the centrifugal fan blades, and when -T is larger than or equal to 1.05 [delta T, increasing the friction force between the rotating shaft and the centrifugal fan blades to increase the rotating speed of the centrifugal fan blades, and when -T is larger than or equal to 0.95 [delta]T and smaller than 1.05 [delta]T, keeping the friction force unchanged. Ventilation loss can be remarkably reduced, the heat dissipation and cooling efficiency is improved, uniform heat dissipation of the generator set is ensured, and the complex structure of a heat dissipation system is avoided.

The invention discloses a reinforced heat dissipation flow guide device. The device comprises an air inducing cover, and the air inducing cover is arranged between an air blowing device and cooling fins, wherein the two ends of the air inducing cover are communicated, and an air flow enters the air inducing cover from the air inlet end and flows out from the air outlet end. The air flow is guidedbetween the air blowing device and the cooling fins through the air inducing cover, and the diameter of the air inducing cover gradually decreases from the air inlet end to the air outlet end. The airinlet end is connected with the air blowing device, and the air outlet end faces the cooling fins. Under the same air volume, the air flow velocity at the air inlet end is small, and the air flow velocity at the air outlet end is large; the air blowing device blows active air to the cooling fins through the air inducing cover, the cooling fins generate low pressure after the air flow is blown outof the air inducing cover, the air pressure is lower than that of outside air, and the outside air supplements the cooling fins. The reinforced heat dissipation flow guide device provided by the invention utilizes the principle of primary efforts, more external air can be driven only by driving a small amount of active air, more air is enabled to blow through the cooling fins, the cooling speed of the cooling fins is increased, and the heat dissipation cooling efficiency is improved.

The invention relates to a radiating structure of a shell having stream guidance openings of a microwave oven magnetron, which is characterized in that the lateral surface of the shell is provided with a plurality of stream guidance openings, and the lateral surface of the shell provided with the stream guidance openings comprises the lateral surfaces of an upper shell and a lower shell of the magnetron. A cutting piece for cutting the stream guidance openings extends outwards obliquely from the lateral surface of the shell; the stream guidance openings formed by the oblique outward extensionof the cutting piece face the direction of a fan; and the oblique outward extension of the cutting piece on the lateral surface of the shell along the blowing direction of the fan is gradually raised.Simultaneously, the lateral surface and the back surface of the shell on the lower part of the magnetron are provided with through holes, and the lateral surface of the shell on the lower part is over against the blowing direction of the fan. When the magnetron works, the air forced to flow by the fan can enter the shell of the magnetron from different directions and parts at the same time so asto enlarge an air flow passage, increase the radiating air quantity, and improve the radiating and cooling efficiency of the magnetron.

The invention discloses a round steel surface defect online detection system and detection method. The invention belongs to the technical field of metal surface detection. Two fixed box bodies are arranged in the online detection system and are symmetrically erected on the two sides of a round steel roller way; the lower parts of the two fixed box bodies are encircled to form a detection channel through which the round steel passes; a fixed bracket is mounted in each fixed box body; a plurality of industrial camera assemblies are arranged on the two fixed brackets at equal intervals; the camera shooting ranges of every two adjacent industrial camera assemblies are partially overlapped or connected; and arc-shaped light source assemblies are symmetrically installed on the two sides of the detection channel in the circumferential direction. The system provided by the invention has the beneficial effects that images of the surface of the round steel can be comprehensively and clearly acquired on line in real time; image acquisition jitter is avoided; a problem of image signal-to-noise ratio reduction is effectively avoided; round steel surface defects can be accurately identified anddetermined; a problem of influence on normal acquisition work caused by over-high round steel temperature is prevented; and automatic online detection of the round steel surface defects is realized.

The invention discloses a control system for delivery of a diesel engine cylinder head and a control method of the control system. The control system comprises a box body, wherein a feed port and a discharge port are formed in side walls of the left side and the right side of the box body respectively, supporting plates are fixedly connected onto the front wall and the rear wall of an inner cavityof the box body respectively, a feed sloping plate is fixedly connected to the position, close to the left side, of the top of the supporting plates, the top of the feed sloping plate is fixedly connected with the bottom of an inner cavity of the feed port and extends out of the box body, a discharge sloping plate is fixedly connected to the position, close to the right side, of the bottom of thesupporting plates, the bottom of the discharge sloping plate is fixedly connected with the bottom of an inner cavity of the discharge port, a straight plate is arranged between the two supporting plates, connecting pieces are fixedly connected to the positions, close to the left and right sides, of the bottom of the straight plate respectively, and front walls of the connecting pieces are movablyconnected with vertical plates through rotating shafts and bearings. By means of a series of structures, the control system has the characteristics of high delivery efficiency and high cooling efficiency.

The invention discloses an efficient heat dissipation system for a pole coil of a hydro-generator. The system comprises a stator, a rotor and a cooling system. The rotor comprises a rotating shaft, amagnet yoke, a bracket for connecting the rotating shaft and the magnet yoke, a plurality of iron cores, and a plurality of layers of copper bars arranged on the iron cores. The magnet yoke, the ironcore and the stator are respectively provided with a plurality of radial ventilation holes. The middle part of the outer side of the stator is an air outlet end. The cooling system is connected with the air inlet end and the air outlet end through pipelines. A ventilation turn is arranged between every two adjacent layers of copper bars, axial ventilation holes which extend in the axial directionof the rotor and penetrate through the air inlet ends of the two ends are formed in the ventilation turns, a plurality of radial heat dissipation holes which penetrate through the axial ventilation holes are formed in the outer sides of the ventilation turns, and the areas of the radial heat dissipation holes are gradually increased from the two ends of the rotor to the middle of the rotor. According to the invention, the heat dissipation effect of the rotor magnetic pole can be effectively improved, the ventilation loss is reduced, the heat dissipation and cooling efficiency is improved, andthe complex structure of a heat dissipation system can be avoided.

The invention relates to the technical field of snack food containing thin slices or other shapes originated from cereals. The rice dumpling preparation process specially comprises the following ricedumpling preparation steps: A, a step of preparing raw materials; B, a step of cleaning the raw materials; C, a step of proportioning the raw materials; D, a step of making rice dumplings; E, a step of cooking the rice dumplings: steaming and cooling the rice dumplings obtained in the step D in a pressurized manner, controlling pressure during serving of the rice dumplings to 2.0 to 2.4MPa and controlling temperature to 105 and 115 DEG C; F, a step of cooling: cooling the steamed and cooked rice dumplings obtained in the step E on a cooling line provided with a conveyor belt which has at leastthree levels and of which the conveying speed is sequentially increased; G, a step of packaging in vacuum; H, a step of sterilizing: sterilizing the packaged rice dumplings in the step G by utilizingsteam at a sterilization temperature of 115 to 125 DEG C for 40 to 60 minutes; I, a step of boxing; J, a step of enabling finished products to enter into a warehouse. According to the rice dumpling preparation process disclosed by the invention, the problem of lower production efficiency of the rice dumplings caused by long cooling time of the rice dumplings in the prior art is solved.

The invention discloses a multi-station crossed type glass sheet automatic carving machine and a carving process thereof. The multi-station crossed type glass sheet automatic carving machine comprisesa machine table, longitudinal sliding assemblies, machining platforms, transverse sliding assemblies and carving assemblies. The machine table is horizontally arranged. The two longitudinal sliding assemblies are arranged on the front side or the rear side of the machine table. The machining platforms are arranged on the longitudinal sliding assemblies. The transverse sliding assemblies stretch over the machining platforms and are arranged on the front side and the rear side. The two carving assemblies are connected to the output ends of the two transverse sliding assemblies. Side cambered surface portion machining and surface grinding and polishing of glass sheets can be simultaneously completed, the structure is greatly simplified, the manufacturing cost is reduced, rapid efficient heatdissipation can be achieved, and the machining quality of the glass sheets is effectively improved and stabilized; and through the crossed type arrangement, ten glass sheets can be simultaneously carved on one machine, and therefore the single-machine carving efficiency is greatly improved.

The invention discloses water circulation type cooling equipment for a three-roller mill. The cooling equipment comprises a base, a fixing loop bar and a servo motor; the inside surface of the base isprovided with a connecting shaft of which the outer side is fixedly connected with a first transmission roller, and the outside surface of the first transmission roller is fixedly connected with a convex block; the inside surface of the first transmission roller is provided with heat emission holes, and the first transmission roller is internally provided with a cooling pipe; the inside surface of the right side of the first transmission roller is fixedly connected with a fixing block, and the inside surface of the fixing block is provided with a sealing ring; and the fixing block is internally provided with movable rods. According to the water circulation type cooling equipment for the three-roller mill, the effect of circulating flow of cooling liquid in the cooling pipe is achieved asthe three movable rods are squeezed through second connecting rods in sequence continuously, so that the water circulation type cooling work is performed for the transmission roller in cooperation with the heat emission holes; and the waste of the cooling liquid is avoided while the heat-sink cooling efficiency of the overall device is improved.

The invention discloses a rapid heat dissipation cutting machine. The cutting machine comprises a cutting machine main body. The cutting machine main body comprises a main shaft box, wherein the mainshaft box comprises a liquid storage cavity for storing a cooling liquid, a first cooling cavity for cooling a bearing of one end of the main shaft, and a second cooling cavity for cooling a bearing of the other end of the main shaft. After the structure is adopted, the cooling liquid in the liquid storage cavity can be in contact with the main shaft to cool the main shaft. In addition, the firstcooling cavity and the second cooling cavity are used for mounting and fixing the bearings of the main shaft. The cooling liquid in the liquid storage cavity can be conveyed into the first cooling cavity and the second cooling cavity and is in contact with the bearings to absorb heat, so that the bearings are subjected to heat dissipation and cooling treatment. Finally, the cooling liquids withinthe first cooling cavity and the second cooling cavity flow back into the liquid storage cavity. Compared with the prior art, the cooling liquid of the cutting machine circularly flows in the main shaft box and makes contact with the main shaft and the bearings so as to perform rapidly heat absorption and cooling on the main shaft and the bearings, and therefore cooling and heat dissipation of thecutting machine are accelerated.

The invention belongs to the technical field of vamp processing, and aims to solve the problems that at present, after hot press molding, the temperatures of the surfaces of a vamp and a bearing plate are high, operators are easily scalded in the taking-out process, the vamp is inconvenient to take down, the vamp is easily adhered to the bearing plate due to hot press molding, and the vamp taking-out difficulty is further increased. The vamp hot press molding equipment comprises a fixing box, a pressing plate assembly and a bearing plate, a lifting air cylinder is installed at the bottom of a top plate, the bottom end of the lifting air cylinder is connected with a connecting base, the pressing plate assembly is installed at the bottom of the connecting base, a cooling table is installed at the top of the fixing box, a containing groove is formed in the cooling table, the bearing plate is located in the containing groove, and a groove is formed in the bearing plate. According to the vamp hot press molding equipment, the vamp can be rapidly cooled, harm to operators in the taking-out process is avoided, the vamp can be jacked up so that the vamp can be separated from the bearing plate, and the operators can take down the vamp conveniently.

The invention provides an air-cooling three-phase oil-immersed distribution transformer. The air-cooling three-phase oil-immersed distribution transformer comprises a transformer body. The transformer body comprises an oil box. The oil box is filled with high temperature resistant insulating oil. A transformer core is installed in the oil box, and the transformer core is immersed in the high temperature resistant insulating oil. At least one side wall of the oil box is communicated with a ripple tank. One side of the ripple tank is provided with a cooling fan of the ripple tank. The air outlet of the cooling fan of the ripple tank faces to the interior of the oil box. The provided air-cooling three-phase oil-immersed distribution transformer is capable of, through the cooling fan installed under the ripple tank, improving the cooling rate of the high temperature resistant insulating oil in the ripple tank, and further improving the heat-radiating cooling efficiency of the transformer through a cooling fan installed on the side face of the oil box. In addition, the back face of the cooling fan of the oil box is further provided with a self-cooling grating convenient for the self-cooling of the cooling fan of the oil box.

The invention relates to the technical field of electrical cabinets and particularly relates to a constant-temperature, constant-humidity and dustproof electrical cabinet. The cabinet comprises a cabinet body, wherein a temperature and humidity sensor, a constant temperature and humidity controller and a closing and opening controller are respectively fixed on an inner wall of the cabinet body through screws, a cavity is formed in the cabinet body, a refrigerator body is fixed to the cabinet body through cooperation of the cavity and screws, the cold air blowing-out position of the refrigerator body faces the interior of the cabinet body, transmission pipelines are welded to upper, lower, left and right inner walls of the cabinet body, and the temperature and humidity sensor transmits a temperature signal to the constant temperature and humidity controller. The constant-temperature and constant-humidity controller is used for controlling the opening and closing controller to open the refrigerator body, cold air is blown into the cabinet body through the operation of the refrigerator body, and the cold air can be quickly transmitted to each corner in the cabinet body through the airblowing groove through the cooperation of the transparent plastic cover, a hose and the transmission pipelines, so heat dissipation and cooling efficiency in the cabinet body can be improved.

The invention provides a control method, a control device, a yogurt machine and a refrigerator for yogurt preparation, wherein the control method for yogurt preparation comprises the steps: receivinga selected order of working modes, and entering the corresponding control mode; when the selected order is yogurt preparation, starting a heating device, starting counting and entering a heating mode;acquiring the temperature value of the yogurt in the heating process in real time; judging whether the temperature value of the yogurt in the heating process is in a first preset temperature interval; when the judgment result is no, adjusting the power on duty cycle of the heating device according to the temperature value of the yogurt in the heating process; and when the judgment result is yes,turning off the heating device. By the control method provided by the invention, the temperature in a cavity is cyclically acquired and analyzed and the temperature is strictly controlled, thereby ensuring the optimum temperature for yogurt preparation and greatly reducing time for yogurt preparation; and by adopting a pulse-width modulation heating and cooling mode, the yogurt preparation efficiency is improved, the yogurt mouthfeel is improved and energy consumption is effectively reduced.

The invention discloses a forced air cooling device for a linear induction motor used for middle-and-low-speed magnetic-levitation train traction. The device comprises an air channel arranged above a primary iron core of the linear induction motor, wherein the air channel is arranged in the length direction of the primary iron core, at least one end of the air channel is provided with cooling fans, the air channel comprises two or more suspension bending plates and a covering plate, the suspension bending plates are symmetrically mounted on the two sides of the width direction of the primary iron core, and the covering plate covers the suspension bending plates arranged on the two sides of the primary iron core to form the closed air channel. The invention further discloses a forced air cooling method for the linear induction motor used for magnetic-levitation train traction. The forced air cooling method and device for the linear induction motor used for middle-and-low-speed magnetic-levitation train traction have the advantages that installation space is small, primary heat dissipation of the motor can be improved, primary weight of the motor is reduced, motor output is improved, and then energy consumption during operation of magnetic-levitation trains is reduced.

The invention relates to the technical field of refrigeration equipment, and discloses refrigeration equipment for a data machine room. Therefrigeration equipment comprises a machine room and a plurality of units, the plurality of units are all located in the machine room, an air conditioner is fixedly arranged at the top of the inner surface of the machine room, an air inlet pipe is fixedly arranged at the front side of the air conditioner, the bottom of the air inlet pipe is communicated with a hose, and a three-way pipe is communicated with the bottom of the hose, the two ends of the three-way pipe are communicated with air guide pipes correspondingly, the bottoms of the pipe walls of the two air guide pipes are communicated with a plurality of flow dividing pipes correspondingly, the pipe walls of the flow dividing pipes are rotationally connected with air outlet pipes through first rotating bearings, the air outlet pipes are located above the units, sliding blocks are fixedly arranged at both ends of the two air guide pipes correspondingly, and reciprocating moving mechanisms are arranged in the two sliding blocks. A rotating mechanism is arranged between the two sliding blocks and located below the air guide pipes, and a transmission mechanism is arranged at the upper end of the inner surface of the machine room. According to the invention, the units at all positions in the data machine room can be fully and rapidly cooled.

A heat sink disclosed by the embodiment of the invention is used for a power supply device. The heat sink comprises a body and a cooling part, wherein the body comprises an installation surface, the installation surface is used for installing an electronic component, the cooling part is connected with the body and comprises a substrate and a plurality of first cooling fins, the plurality of firstcooling fins are arranged on the substrate, the substrate is connected with the body, and the plurality of first cooling fins are arranged at intervals and longitudinally extend along a direction, faraway from the body, of the substrate. The extension directions of the cooling fins of the heat sink is longitudinal, heat absorbed by the heat sink can be rapidly conducted to upper-layer air of theheat sink according to a principle that scattering hot air is conducted upwards to generate airflow, the air is blown to take away the heat by a fan, so that the purpose of temperature reduction is achieved; and when an electronic component generating a large amount of heat is arranged on the heat sink, the heat absorbed by the heat sink can be rapidly dissipated, so that the temperature of the component is controlled within a reasonable range.

The invention discloses an automatic multi-station glass sheet carving machine provided with magazine tools and a carving technology of the machine. The machine comprises a machine platform, at leasttwo longitudinal sliding components, at least two machining platforms, a transverse sliding component, at least two carving components and at least two magazine tools; the machine platform is arrangedhorizontally; to-be-carved glass sheets are placed on the machining platforms; the transverse sliding component straddles the machining platforms; the carving components are connected to the output ends of the transverse sliding component; and the magazine tools are arranged on the back sides of the machining platforms and are correspondingly arranged below the carving components. By the aid of the machine and the technology, machining of arc-shaped surface parts of sides of the glass sheets as well as grinding and polishing of the surfaces can be completed simultaneously, so that the manufacturing cost is reduced; quick and efficient heat dissipation can be realized, so that the machining quality for the glass sheets can be effectively improved and stabilized; caving actions for ten glass sheets can be completed simultaneously on one single machine, the single-machine carving efficiency is greatly improved, and the machine can adapt to multiple machining procedures.

The invention discloses a measurement and control device based on a digital signal processing function, which relates to the technical field of measurement and control. The device comprises a shell, iron sheets are embedded in the centers of the top and the bottom of the front end face of the shell, heat dissipation assemblies are arranged in the centers of the outer walls of the two sides of the shell, a cleaning assembly is arranged on the outer side of the front end face of the shell, and mounting assemblies are arranged on the edges of the rear ends of the top and the bottom of the shell; the heat dissipation assembly comprises a pump case and a heat dissipation box; the cleaning assembly comprises a protective cover and a sponge sheet; and the mounting assembly comprises a fixing plate and a fixing shell. Preliminary fixing is carried out through a supporting plate in the mounting assembly, further limiting is carried out through a top plate in the limiting assembly, mounting is convenient, the working efficiency is improved, meanwhile, the heat dissipation efficiency of the heat dissipation assembly is improved through the mutual cooperation effect of water cooling and air cooling, and a sponge piece is driven by an air cylinder in the cleaning assembly to do reciprocating motion to clean the surface of the device, and meanwhile the protection effect can be achieved.