11results about How to "Same cooling effect" patented technology

The invention relates to a micro-lubrication friction and resistance reduction method of a fullerene C60 nanosphere particle cutting fluid, and belongs to the field of metal cutting process methods and cutting lubrication. According to the method, through the steps of compressed air adjustment, fullerene nanosphere particle cutting fluid blending, oil-water mixing adjustment, three-phase mixed cutting fluid preparation, atomization spraying and the like, stable and tiny oil film water-drop-attached liquid drops are formed and accurately sprayed to a cutting area. The fullerene nanosphere particles can form a nano rolling boundary lubricating film with high bearing capacity and low shear strength on a tool-workpiece / chip contact interface due to unique properties, so that the friction coefficient is remarkably reduced, and the tool wear is reduced. Meanwhile, efficient cooling is achieved through the oil film water drop attaching technology, cuttings are blown away through high-pressure spraying, and tool abrasion and machining quality reduction caused by accumulation are avoided. According to the method, an efficient and accurate lubricating, friction-reducing and resistance-reducing solution is provided for metal cutting machining.

The invention relates to a coaxial thermal coupling pulse tube refrigerator which comprises a compressor, a multi-stage cold head and a phase modulation mechanism, the multi-stage cold head is thermally coupled and coaxially arranged, and a high-temperature-stage pulse tube and a heat regenerator are respectively placed on the outer side of a low-temperature-stage pulse tube. Compared with the prior art, the device is compact in structure and high in reliability.

The present invention relates to an oven ventilation system, comprising an inner tank and a mounting plate arranged above the inner tank, a first ventilation hole for hot air to pass through is provided on the top wall of the inner tank, and correspondingly, a second ventilation hole is provided on the mounting plate, and the system also comprises a ventilation pipe assembly, an air guide and a fan. The present invention increases the pressure of the heated air in the oven inner tank through the ventilation pipe assembly and always maintains a relatively constant pressure, thereby avoiding the natural output of a large amount of hot air, improving the heat utilization rate, and thus improving the cooking efficiency; at the same time, part of the hot air output by the ventilation pipe assembly is mixed with the external cold air in the first air guide channel and then output through the second air guide channel, which can play a cooling effect on the oven control circuit board installed above the second air guide channel, but because the thermal resistance is increased in this process, to achieve the same cooling effect, the required air volume of the fan is reduced, and the power requirement of the fan is also reduced accordingly, which not only reduces the fan noise, but also saves energy consumption.

The invention discloses an immersion liquid-cooled server cabinet, which relates to the field of server cabinets and comprises a cabinet body, a power connector being installed on the rear wall of the cabinet body, a cabinet door being hinged on the side wall of the cabinet body, and a compressor being installed on the side wall of the cabinet body, an air intake pipe being connected between the input end of the compressor and the cabinet body, and one end of a shrink tube being fixedly connected to the output end of the compressor, and a liquid guide tube being fixedly connected to the other end of the shrink tube. The advantages of the invention are that the temperature of the coolant in the cabinet body is balanced, so that the cooling effect of electrical components in the server is the same, while the gradual reduction of the coolant is avoided, so that the server is cooled, the cost is reduced, the environment is protected, and the condensation efficiency and stirring efficiency of the coolant can be automatically adjusted according to the content of the coolant in the cabinet body. The synergistic effect of the three does not require the participation of sensors, reduces the probability of device damage, and reduces the difficulty of wiring, installation and use.

The invention discloses an immersed liquid-cooled server cabinet, and relates to the field of server cabinets, the immersed liquid-cooled server cabinet comprises a cabinet body, a power connector is mounted on the rear wall of the cabinet body, a cabinet door is hinged to the side wall of the cabinet body, a compressor is mounted on the side wall of the cabinet body, an air suction pipe is communicated between the input end of the compressor and the cabinet body, and the input end of the compressor is connected with the air suction pipe. The server cooling cabinet has the advantages that the temperature of cooling liquid in the cabinet body is balanced, the cooling effects of electrical components in a server are the same, meanwhile, the cooling liquid is prevented from being gradually reduced, cooling of the server is guaranteed, meanwhile, cost is reduced, and the server cooling cabinet is suitable for popularization and application. The environment is protected, the condensation efficiency and stirring efficiency of the cooling liquid can be automatically adjusted according to the content of the cooling liquid in the cabinet body, the synergistic effect of the three parts does not need a sensor, the damage probability of the device is reduced, and the wire arrangement and installation and use difficulty is also reduced.

This invention discloses a MEMS synthetic jet heat sink and array heat sink based on an asymmetric dual-diaphragm and a top-surface through-flow channel, comprising a PCB substrate, a silicon substrate, a first piezoelectric diaphragm, a second piezoelectric diaphragm, and a top frame. The lower surface of the PCB substrate is used for mounting to a heat source and is a complete plane; the silicon substrate is disposed on the PCB substrate, and a vibration cavity is formed within the silicon substrate; the first and second piezoelectric diaphragms are sealed and connected to the silicon substrate, and together enclose the vibration cavity; the two piezoelectric diaphragms are arranged asymmetrically relative to the PCB substrate; the top frame is disposed above the first and second piezoelectric diaphragms and connected to the PCB substrate; the top frame has an opening; the opening communicates with the vibration cavity, together forming a top-surface through-flow bidirectional channel, so that the air intake and exhaust processes of the heat sink are completed through the top-surface through-flow bidirectional channel.

Provided are a granular iron manufacturing device and a granular iron manufacturing method with which it is possible to efficiently cool granular iron and suppress the combination of the granular iron. The granular iron manufacturing device (70) is provided with a water flow control container (30) and a cooling water pipe group (40) for supplying cooling water (24) into the water flow control container, and the water flow control container (30) is provided with a partition cylinder body (32) with an inclined surface (34) and a pipeline cylinder body (35) connected to the lower portion of the partition cylinder body (32). The cooling water pipe group (40) has an upper-stage cooling water pipe group (44), a middle-stage cooling water pipe group (46), and a lower-stage cooling water pipe group (48) that are connected to the partition cylinder (32), and generates a first circulation flow that circulates in the partition cylinder (32) by means of cooling water (24) supplied from the middle-stage cooling water pipe group (46) and the upper-stage cooling water pipe group (44). A second circulation flow circulating in the pipe cylinder (35) is generated by cooling water (24) supplied from the lower-stage cooling water pipe group (48) and drainage from the partition cylinder (32).

The invention discloses a vertical energy storage cabinet, and relates to the technical field of energy storage cabinets. The vertical energy storage cabinet comprises a cabinet body, wherein five battery pack modules are sequentially arranged in the cabinet body from top to bottom; a cooling mechanism I, a cooling mechanism II, a cooling mechanism III, a cooling mechanism IV and a cooling mechanism V which are communicated in sequence are arranged on the five battery pack modules in sequence; a liquid storage tank and a liquid return tank are respectively arranged at the top and the bottom of the cabinet body; the first cooling mechanism is communicated with the liquid storage tank and the liquid return tank, and the fifth cooling mechanism is communicated with the liquid storage tank and the liquid return tank. According to the invention, the cooling liquid is controlled to flow forward and backward along a cooling system composed of a plurality of cooling mechanisms, so that the five battery pack modules in the energy storage cabinet can be cooled substantially in the same direction, and attenuation of different degrees of the five battery pack modules in long-term use due to different cooling effects is avoided; and meanwhile, the forward flow and the reverse flow alternately run, so that the cooling effect is also improved on the whole.

The utility model relates to the technical field of forging part cooling equipment, in particular to a forging part cooling device. A forging part cooling device comprises a water tank, a moving mechanism is arranged on the water tank, a spraying assembly is arranged on the water tank, and the spraying assembly comprises a water pump communicated with the water tank, a first connecting pipe communicated with the water pump, a first water spraying pipe communicated with the first connecting pipe, a third connecting pipe and a second connecting pipe communicated with the first water spraying pipe. The first water spraying pipe is communicated with the first connecting pipe, the second water spraying pipe is communicated with the second connecting pipe, the rotating joint is communicated with the third connecting pipe, a support is arranged on the water tank, a hydraulic cylinder is arranged on the support, and water is sprayed to the surface of the forging part through the spraying assembly to cool the forging part. And the same cooling effect can be realized by using less water, so that water is saved.

This invention discloses a double-walled small bend tube and a recirculation combustion chamber, comprising an inner wall and an outer wall spaced apart. One end of the inner wall near the flame tube is connected to the other end of the outer wall near the flame tube. The inner and outer walls form a cavity for forming a cooling gas film. The outer wall has n rows of impact cooling holes for introducing cooling gas into the cavity. Each row of impact cooling holes is evenly distributed along the circumferential direction of the outer wall and has the same diameter. The diameter of the n rows of impact cooling holes increases gradually from the end of the outer wall near the flame tube to the end away from the flame tube, so that the flow rate of cooling gas impacting the inner wall increases gradually with the distance from the flame tube. This can effectively reduce the highest wall surface temperature at the end of the inner wall, reduce the ablation and uneven deformation of the double-walled small bend tube, extend its service life, and effectively solve the air leakage problem between the small bend tube and the casing under different vibrations and thermal expansion deformation, ensuring a seal.

The utility model provides a heat treatment cooling device for transmission shaft production, which comprises a roller conveyor, a mounting frame plate is arranged at the upper end of the roller conveyor, a plurality of cavity blocks are rotatably arranged in the mounting frame plate through a rotating column, and a plurality of upper water spraying holes are formed in the lower ends of the plurality of cavity blocks. Upper water spraying nozzles are arranged in the multiple upper water spraying holes, a collecting box is arranged at the lower end of the roller conveyor, a cavity frame is arranged in the collecting box, multiple lower water spraying holes are formed in the upper end of the cavity frame, a driving mechanism is arranged in the mounting frame plate, and the driving mechanism can drive the upper water spraying nozzles to shake back and forth in a reciprocating mode. According to the heat treatment cooling device for production of the transmission shaft, the spray head on the upper side can continuously shake back and forth in a reciprocating mode and is matched with the spray head at the lower end to spray water, the transmission shaft in the conveying process can be rapidly and evenly cooled, it is guaranteed that all parts can obtain the same cooling effect, and through even cooling, the production efficiency is improved. And stress concentration and deformation caused by local supercooling or overheating are avoided.