35results about How to "Guaranteed Thermal Requirements" patented technology

The invention relates to a microfluid cooling silicon wafer level LED illuminating system which comprises a silicon wafer substrate (1), wherein the upper surface of the silicon wafer substrate (1) is provided with a plurality of LED chips (2). The microfluid cooling silicon wafer level LED illuminating system is characterized in that the silicon wafer substrate (1) is provided with a micro-cooling channel through which cooling liquid passes, and the micro-cooling channel is provided with an inlet and an outlet which are communicated with exteriors; and the position of the micro-cooling channel corresponds to the LED chips (2) arranged on the upper surface of the silicon wafer substrate (1). In the LED illuminating system of the invention, the cooling liquid channel structure is directly arranged on the silicon wafer substrate, and the LED chips are cooled by adopting the cooling liquid through the micro-cooling channel, therefore, the heat radiation effect of the LED chips is improved, the integration degree of the LED illuminating system is greatly improved, the size of an LED illuminating product is shortened, and the production cost of the LED illuminating product is greatly reduced. The invention is beneficial to the application and the popularization of the LED illuminating product.

The invention discloses a solar photovoltaic junction box, which comprises a box body, a bypass diode and a control circuit, wherein the box body is internally provided with a main cavity chamber and an auxiliary cavity chamber sealed and isolated by multiple separators; at least one separator is a heat-conducting plate; the bypass diode is arranged on the heat-conducting plate located at the side of the main cavity chamber and conducts heat to the auxiliary cavity chamber via the heat-conducting plate; the control circuit is located in the main cavity chamber; and the auxiliary cavity chamber is provided with an air inlet and an air outlet passing through the box body and connected with the outer part of the box body, and a cooling air duct is formed. The solar photovoltaic junction box of the invention has the advantages of simple structure, good cooling effects, high protection level and the like.

The invention discloses an integration circuit integrated structure which comprises a circuit substrate and electronic components arranged on the circuit substrate. Heat conduction holes are formed in the circuit substrate. Each heat conduction hole is correspondingly located below each electronic component. Each heat conduction hole is respectively filled with a heat conduction insulating layer. Each heat conduction insulating layer is in contact with each electronic component corresponding to the position of each heat conduction insulating layer. Each electronic component can transfer and dissipate heat through each heat conduction insulating layer arranged below each electronic component so that heat of each electronic component is specially dissipated with pertinence. The integration circuit integrated structure is good in heat dissipation effect, capable of prolonging service life, improving efficiency and meanwhile playing the role of insulation and low in cost.

The invention relates to a phase-change hot pipe and liquid circulated cooling composite cooling device. The phase-change hot pipe and liquid circulated cooling composite cooling device comprises a liquid circulated cooling system and a phase-change hot pipe cooling system, wherein the liquid circulated cooling system comprises a forced water-cooling circulation, automatic circulation oil-coolingor forced circulation oil-cooling system, the phase-change hot pipe cooling system is a phase-change hot pipe, the liquid circulated cooling system and the phase-change hot pipe cooling system are simultaneously and integrally arranged, cooling fins are arranged on surfaces of the liquid circulated cooling system and the phase-change hot pipe cooling system, the phase-change hot pipe cooling system is heated to generate phase change so as to dissipate hot of a hot source out, and meanwhile, heat of the liquid circulated cooling system is fully absorbed and is dissipated. The phase-change hot pipe and liquid circulated cooling composite cooling device has the advantages that the phase-change hot pipe and liquid circulated cooling composite cooling device is used for controlling temperaturerising of an ultra-large capacity oil-immersed transformer, the oil temperature cooling capability is powerfully improved, the size of the transformer oil-cooling system is greatly reduced, meanwhile,the cooling effect of a transformer winding is improved, and the phase-change hot pipe and liquid circulated cooling composite cooling device has positive significance in prolonging insulation thermal aging lifetime of the transformer and improving the running load of the transformer.

The invention relates to a heat dissipation system and a work method of the system. Heat dissipation is carried out through a heat conduction mode and can be achieved without electricity, and an energy-saving effect is achieved. Refrigerants circulate in a pipeline and bring away heat in space in the circulating process, then heat dissipation is carried out outside the space, and accordingly circulation is achieved and cost is low. Heat tubes with good heat conductivity are adopted to serve as a heat conductive device, so that the heat dissipation system has an extremely good heat dissipation effect. A heat collector of the system is formed by heat collecting pieces of a certain structure, and the heat collecting pieces can be arranged and combined according to the size of the space and heat quantity. The heat dissipation system further comprises an air conditioning system, so that a heat exchange system is combined with the air conditioning system to reach the aims of energy conservation and consumption reduction as much as possible on the condition that the heat dissipation requirement is met.

The invention provides a radiator for large-power LED lamps, belonging to the field of LED lamps and lanterns. The radiator comprises a cylinder ring-shaped radiating substrate and a plurality of radiating fins arranged on the substrate; a plurality of radiating fin groups are evenly distributed outside the cylinder ring-shaped radiating substrate; a radiating base installed with a large-power LED light source is arranged at the internal center of the cylinder ring-shaped radiating substrate; the radiating base and the radiating substrate are connected by a plurality of radiating ribs. In the device, the radiating area is enlarged, the radiating rate is accelerated, the requirement for radiating of the LED source is met, the service life is prolonged, the volume of the radiator is small, the manufacturing cost of the lamps and lanterns is lowered and the market competitiveness of the LED lamps and lanterns is enhanced.

The invention relates to a rear hard disk cooling structure, and belongs to the technical field of server cooling. The rear hard disk cooling structure comprises a front cover and a rear cover, a coldair channel with a top opening and a cooling channel with a bottom opening are arranged on the front cover, a socket groove is formed in the rear end of the front cover, a socket convex edge matchedwith the socket groove is arranged at the front end of the rear cover, the front end of the rear cover is opposite to the cold air channel, and side baffle plates are arranged on two sides of the rearcover. The rear hard disk cooling structure has the advantages that upstream fresh air can be brought for a rear hard disk, air flow can be converged and used for cooling the hard disk, and the problem of difficulty in cooling of the rear hard disk can be solved.

The invention provides a motor fan for an air compressor, which belongs to the technical field of machinery. It solves the problem that the existing motor fan has straight blades, which has high power consumption and low efficiency. The air compressor motor fan includes a hub used to connect with the motor shaft, a cover plate arranged at the end of the hub and blades arranged on the cover plate, the cover plate is circular and coaxially arranged with the hub, and the blades are several and evenly distributed on the cover plate. The blades are vertically arranged on the side of the cover plate close to the hub. The blades spirally extend outward with the hub as the center. The spiral extension direction of the blades is the same as the rotation direction of the motor shaft. The invention has the advantages of low energy consumption, large air volume, high efficiency and the like.

The invention discloses a power module and a traction converter with the same;the power module is used for driving the traction converter of a permanent magnet motor, and the power module comprises a radiator assembly, two frames, a front plate, a supporting capacitor and an L-shaped busbar; the two frames are arranged on the two sides of the radiator assembly respectively; The front plate is connected to the two frames so as to form an accommodating space together with the radiator assembly, and the two frames; the supporting capacitor is arranged in the accommodating space; the L-shaped busbar is arranged between the radiator assembly and the supporting capacitor; and the L-shaped busbar is electrically connected to the supporting capacitor and the radiator assembly. The electrical connection, the mechanical structure and the assembly mode of the power module are improved, so that the power module can adapt to different installation positions in a box body while achieving inversion and chopping functions and a control function, it can be guaranteed that the power module can be kept consistent with the incoming and outgoing line directions of the box body, and the purpose of concise and convenient wiring is achieved.

The invention discloses a chain type pizza oven and relates to the field of electric heating barbecue equipment. The chain type pizza oven comprises a box body, wherein the box body is provided with a horizontally arranged chain net conveying frame, a rear end of the chain net conveying frame is provided with a driving shaft, the driving shaft is provided with a group of plum blossom gears, the plum blossom gears are sleeved with one end of a chain net, and the other end of the chain net is sleeved on a driven wheel; an upper part and a lower part of an inner chamber of the box body are respectively provided with infrared heating tubes which are horizontally arranged, an inner wall of the inner chamber of the box body is provided with a stainless steel mirror board, channels are arranged in the front and the back of the box body, and wind shields are respectively arranged at openings of the channels; a control panel mounting control element is arranged on the right side of a front end of the box body; and an air-cooling flow guide shell heat dissipation system is mounted in an outer contour interlayer of the box body. The pizza oven has advantages of controllable chain network speed, short preheating time, small electric energy loss, high heat dissipation performance, high heat energy utilization rate and reduction of internal heat loss.

The invention provides a liquid cooling system for ship electronic equipment and an adjusting method of the liquid cooling system, and belongs to the technical field of ship cooling equipment. The liquid cooling system comprises a liquid storage tank, a liquid cooling heat exchange device, a liquid cooling control device and a control valve; the ship electronic equipment is arranged on the liquid cooling heat exchange device; heat exchange and cooling are conducted on the ship electronic equipment through cooling liquid; the ship electronic equipment which is working is cooled in a liquid cooling mode, so that the heat dissipation requirement of the ship electronic equipment is guaranteed; the cooling liquid circulating in the liquid cooling heat exchange device can be cooled by utilizing seawater, so that the continuous use of the cooling liquid and the cooling requirement on the ship electronic equipment are ensured; and by adjusting the flow of the cooling liquid conveyed to the liquid cooling heat exchange device by the liquid storage tank, the ship electronic equipment can be maintained in a specific temperature interval, and the problem that the working performance of the electronic equipment of an unmanned ship is easily influenced due to the fact that an existing heat dissipation cooling mode cannot meet the requirement for cooling the electronic equipment of the unmanned ship in the prior art is solved.

The invention provides a fan speed regulating method and a fan speed regulating device for a rack-mounted server system. The method comprises the following steps: detecting a system temperature of therack-mounted server system, and simultaneously, detecting practical temperatures of various non-temperature sensitive components in the rack-mounted server system; according to the system temperature, determining a first duty ratio of a fan; according to the practical temperatures of the various non-temperature sensitive components, respectively determining the fan duty ratios corresponding to the various non-temperature sensitive components, and taking the maximum value of all fan duty ratios as a second duty ratio of the fan; and when the first duty ratio is greater than the second duty ratio, regulating the duty ratio fan of the fan according to the system temperature, and otherwise, regulating the duty ratio of the fan according to the practical temperatures of the non-temperature sensitive components corresponding to the second duty ratio. According to the fan speed regulating method and the fan speed regulating device for the rack-mounted server system, the control precision offan speed regulating can be improved, so that the fan speed regulating is more smooth and accurate.

The invention relates to the field of power supply line facilities, and particularly discloses a dry-type transformer. The transformer comprises an iron core, wherein a low-voltage winding and a high-voltage winding are sequentially wound on the iron core from inside to outside; the high-voltage winding and the low-voltage winding are fixed through an upper clamping part, an upper cushion block, alower clamping part and a lower cushion block. The transformer is characterized in that a high-voltage winding additional insulating layer is arranged on the inner side of the high-voltage winding, aspacing layer is reserved between the high-voltage winding and the high-voltage winding additional insulating layer, and an air isolation layer is arranged between the low-voltage winding and the high-voltage winding; an air channel layer is arranged in the high-voltage winding, and the high-voltage winding and the high-voltage winding additional insulating layer are integrally formed through epoxy resin pouring. The electrical insulation strength between the low-voltage winding and the high-voltage winding is remarkably enhanced, and the comprehensive cost of the transformer is greatly reduced.