43results about How to "Guaranteed convection" patented technology

The invention relates to a device on a liquid fuel purification device, in particular to a diesel filter and a heating device thereof. The diesel filter comprises filter paper and the heating device. The heating device comprises a lower end cover at the lower portion of the filter paper of the filter. The heating device comprises a magnetic core and a magnetic exciting coil. The magnetic exciting coil is wound around the magnetic core. A magnetic core middle column is closely attached to the lower end cover. The magnetic exciting coil is connected with a circuit board. The circuit board is connected with a direct current power source. The structure of the filter is utilized, diesel oil at the inner end and the outer end of the filter paper is heated at the same time, the heating efficiency is high, and the temperature rise speed is high. The problems that filter paper in a filter of a heavy load truck is blocked by wax due to the over low temperature in winter, consequently, starting is difficulty, and oil supply is not smooth are solved.

The invention discloses a preventing system based on in-vehicle CO concentration monitoring. The preventing system comprises a vehicular computer, a CO detecting module, a power module, an automobilefrequency converter, a vehicular air conditioner, an automobile window regulating module and a seat regulating module, wherein the CO detecting module transmits data signals to the vehicle computer through CAN bus; the control output end of the power module is connected with the input ends of the automobile frequency converter, the vehicular air conditioner, the automobile window regulating moduleand the automobile seat regulating module; the power output end of the power module is connected with the power input ends of the vehicular computer and the automobile frequency converter; the outputend of the automobile frequency converter is connected with the power input end of the vehicular air conditioner. The preventing system has the advantages that in-vehicle CO concentration can be detected in real time, an intelligent automobile window controller is controlled to open automobile windows when the in-vehicle CO concentration reaches a preset value, the air blowing intensity of the vehicular air conditioner is controlled to increase at the same time to achieve air convection between the in-vehicle air and the air of an external environment, and the in-vehicle CO concentration is kept lower than a lowest CO poisoning threshold.

The invention discloses an automatic cleaning device for a natural gas pipeline. The cleaning device comprises a device shell and a rubber cup coaxially and fixedly installed outside the device shell; the device shell is composed of a moving assembly cavity, a collecting bin, a rotating part and a gas injection part from left to right; a telescopic moving assembly is movably installed in the moving assembly cavity, a collecting bin is coaxially and fixedly connected to one side of the moving assembly cavity, a fixing cover is fixedly installed in the collecting bin, fan blades are coaxially and rotationally installed in the fixing cover, a rotating shaft is installed on a coaxial fixing rod of the fan blades, a shaft body of the rotating shaft is rotationally connected with a motor through a chain, the motor is fixedly installed on the inner wall of one side of the collecting bin, and a lithium battery is fixedly installed in the collecting bin; a rotating part is coaxially and rotationally installed at the end, away from the moving assembly cavity, of the collecting bin through a sealing bearing, a circular through opening penetrates through the side wall, away from the collecting bin, of the rotating part, a plurality of supporting columns are fixedly installed on the inner wall of the through opening, and fixing rings are fixedly installed at the ends of the supporting columns.

The invention provides an uninterrupted temporary ventilation dust removal system during the construction period of a nuclear island containment plant. The uninterrupted temporary ventilation dust removal system comprises a blast pipe section module in the nuclear island containment plant and draught fan modules on the two sides of the nuclear island containment plant, wherein two ports of the blast pipe section module are connected with the air inlets of the draught fan modules on the two sides separately; the air outlets of the draught fan modules are connected with exhaust outlets; each ofthe draught fan modules comprises at least two first draught fans and at least one second draught fan; the first draught fans are connected in parallel and then are connected with the second draught fans in series; the inlets of the first draught fans are connected with the blast pipe section module; the outlets of the first draught fans are connected with the inlets of the second draught fans; and the outlets of the second draught fans are connected with the exhaust outlets. The uninterrupted temporary ventilation dust removal system is convenient to repair and maintain, easy to carry and mount, large in ventilation quantity and excellent in dust removal effect, has the characteristic of uninterrupted air exhaust for 24 hours and can sufficiently ensure cross ventilation of all areas anda room, so that the air quality in the nuclear island containment plant is improved, the noise in the containment is lowered and the working environment of constructors is improved.

The invention discloses a sunlight-type heating adjustment device in a low-temperature environment, relates to the field of power online monitoring, and aims at solving a problem that the internal temperature of a thermal insulation box cannot be adjusted automatically. The device is disposed in the thermal insulation box, and is communicated with a heat collector. The thermal insulation box is communicated with the heat collector through a cold air inlet of the heat collector. When the temperature of the external environment is high, the hot air generated by the heat collector is directly discharged to the atmosphere, and the interior of the thermal insulation box is always communicated with the atmosphere. When the temperature of the external environment is low, the hot air generated by the heat collector directly enters the thermal insulation box, and the thermal insulation box is insulated with the atmosphere. The beneficial effects are that the purpose of automatically adjusting the temperature is achieved; the device does not waste energy, saves the electric energy, and is simple in structure. The device is suitable for the automatic adjustment of the internal temperature of the thermal insulation box.

Disclosed are a cooling method and a device for a secondary RC network absorber of a traction transformer of an electric locomotive. A cooling fan system is arranged nearby the secondary RC network absorber of the traction transformer and is controlled by a locomotive control system. When a control circuit for the working of a cooling fan is in a static state after a locomotive pantograph rises to be electrified, the cooling fan works automatically when a traction fan does not work, so that convection of ambient air of resistors of the RC network absorber and peripheral devices (or parts) is guaranteed, and ambient working temperatures of the resistors and the peripheral devices are reduced; and the traction fan controls an auxiliary chain of a contactor to cut off a working power supply of the cooling fan automatically, and accordingly, the added cooling fan stops automatically.

The invention discloses a manufacturing process of breathable bionic structure knitted fabric. A fabric body is woven on a knitting machine according to a certain weaving rule, an air layer jacquard breathable structure is integrally woven and formed on the fabric body, and the air layer jacquard breathable structure includes a fish scale-shaped weave on the surface and a bird nest-shaped weave on the inner surface. damp and hot air is continuously exhausted and dry air is sucked through the bird nest-shaped weave, so that convection between external air and the skin is kept, sweat attached to the inner side of the bird nest-shaped weave is quickly evaporated, the effects of quickly dissipating heat and keeping the fabric dry are achieved, and when a wearer has a rest after stopping exercise, an evaporation rate of the sweet on the fabric body is reduced, only the sweat in the fish scale-shaped weave is continuously evaporated, and the bird nest-shaped tissue on the inner side of the fabric separates the fish scale-shaped weave from the skin, so that a wearer does not feel wet and cold discomfort caused by sweat evaporation.

The invention discloses a pool bottom structure for producing ultra clear glass. The pool bottom structure comprises a feed port part (7) and a clarification part (8); a first step (1), a second step (2), a third step (3) and a fourth step (4) which are sequentially higher are arranged at the right side of the feed port part (7), a bubbling device (5) is arranged in the middle of the second step (2), a furnace ridge (6) is arranged at the right side of the fourth step (4), and the clarification part (8) is arranged at the right side of the furnace ridge (6). The pool bottom structure for producing the ultra clear glass can accelerate discharging of microbubbles and lower the hot spot temperature and has the advantages of accelerating clarification, blocking reflux of clarified and homogenized glass liquid and stabilizing glass liquid flow.

The invention discloses a heat dissipation structure for a cavity filter. The heat dissipation structure comprises a shell, heat dissipation sheets uniformly distributed on the outer surface of the shell, and auxiliary heat dissipation sheets, wherein the auxiliary heat dissipation sheets are located on two sides of the heat dissipation sheets; multiple auxiliary heat dissipation sheets are uniformly distributed on two sides of the heat dissipation sheets; one heat dissipation sheet and the multiple auxiliary heat dissipation sheets on the heat dissipation sheet form one heat dissipation unit;a gap is reserved between the heat dissipation units; the gap is 0.5 to 1 cm; and the heat dissipation sheets and the auxiliary heat dissipation sheets are made of aluminum. The heights of the heat dissipation sheets are adjusted as required, so as to improve the heat dissipation performance of the heat dissipation structure; and after the heat dissipation sheets are heightened, the multiple auxiliary heat dissipation sheets are additionally arranged on the two sides to enlarge a heat dissipation area, so that the heat dissipation performance of the heat dissipation structure is improved.

The invention provides an arc-shaped closed-structure heat exchanger for descaling with sound waves. The heat exchanger comprises an upper collecting pipe, a lower collecting pipe and an arc-shaped closed finned pipe connected with the upper collecting pipe and the lower collecting pipe, the heat exchanger comprises a descaling device, superaudio frequency pulse signals are sent by a main engine of an automatic scale prevention device and are converted by an energy converter to generate superaudio frequency pulse vibration, the superaudio frequency pulse vibration acts on water in the metal pipe of the energy converter, the superaudio frequency pulse vibration enables high-speed microflow and a cavitation effect to be generated between the metal pipe and the water, scales are prevented from being formed, heat exchanging resistance is reduced, heat exchange efficiency maximization is achieved to save energy, and the aim of environment protection and energy saving is achieved.

The LED air purification lamp comprises a lamp body, an air inlet is formed in the upper end of the lamp body, a filter screen is fixedly installed on the inner wall of the air inlet, a suction fan is fixedly installed in the middle of a supporting plate, and a filter plate is fixedly installed on the portion, located on the inner wall of the lamp body, of the lower portion of the supporting plate. An activated carbon plate is fixedly connected to the lower surface of the filter plate, and cooling fins are fixedly connected to the inner side wall of the lamp body. According to the LED air purification lamp, large particles are filtered out through the filter screen in the air inlet, then small particles are filtered out through the filter plate, harmful substances in air are adsorbed through the activated carbon plate, finally bacteria in the air are killed through the ultraviolet lamp, aromatherapy is put into the aromatherapy bag, and the air purification effect is achieved. And the air is fully volatilized and discharged together through the air outlet, so that the mood of people can be relieved, the mental pressure can be relieved, and the prevention and health protection effects are achieved.

Disclosed are a cooling method and a device for a secondary RC network absorber of a traction transformer of an electric locomotive. A cooling fan system is arranged nearby the secondary RC network absorber of the traction transformer and is controlled by a locomotive control system. When a control circuit for the working of a cooling fan is in a static state after a locomotive pantograph rises to be electrified, the cooling fan works automatically when a traction fan does not work, so that convection of ambient air of resistors of the RC network absorber and peripheral devices (or parts) is guaranteed, and ambient working temperatures of the resistors and the peripheral devices are reduced; and the traction fan controls an auxiliary chain of a contactor to cut off a working power supply of the cooling fan automatically, and accordingly, the added cooling fan stops automatically.

The invention discloses a protection assembly for a heater for a carriage, and relates to the technical field of protection assemblies for a heater for a carriage; in order to buffer and protect the heater, it specifically includes a protection shell, and the inner wall of the bottom of the protection shell is fixed by bolts to accommodate Frame one and accommodating frame two, the inner wall of said accommodating frame one is fixed with guide posts by bolts, the inner wall of said accommodating frame two is rotatably connected with positive and negative lead screws, and the outer wall of one side of said accommodating frame two is fixed by bolts Servo motor, the output end of the servo motor is connected to the output end of the positive and negative lead screw through a coupling, the outer wall of the positive and negative lead screw is slidingly connected with two moving seats, and the top outer walls of the two moving seats are fixed by bolts There is a limited component, and the inner wall at the bottom of the protective housing is fixed with a mounting plate by bolts. The present invention can be used to place the heater main body by being provided with a protective shell, and at the same time, can utilize bolts to fix the protective shell in the compartment.