34results about How to "Reduce auxiliary power consumption" patented technology

The invention discloses a plate fin type micro-circulation radiator and a micro-circulation heat exchange system. The plate fin type micro-circulation radiator comprises a heat source module mounting plate, a radiator mounting plate and a heat dissipation assembly, wherein the heat source module mounting plate and the radiator mounting plate are fixed to each other, main working medium chambers used for containing mediums are formed in the heat source module mounting plate and the radiator mounting plate, the heat dissipation assembly is mounted on the radiator mounting plate and comprises a micro-circulation heat dissipation module and a cooling air passage which are arranged at an interval, the interior of the micro-circulation heat dissipation module is a sub-working medium chamber, and the inner walls of both the main working medium chambers and the sub-working medium chamber are provided with imbibition micro-passages of a capillary structure. The plate fin type micro-circulation radiator and the micro-circulation heat exchange system are compact in structure, high in heat transfer efficiency, relatively low in noise, low in assisting power consumption, high in reliability, capable of well solving the main bottleneck problem, namely the heat dissipation problem of industrial development of electronic components, and broad in market prospect.

The invention discloses a segment-type microcirculation radiator and a microcirculation heat exchange system. The segment-type microcirculation radiator comprises a heat source module installation plate, a radiator installation plate and a heat dissipation assembly, wherein the heat source module installation plate and the radiator installation plate are fixed to each other and a main working medium cavity for accommodating a working medium is formed in the heat source module installation plate and the radiator installation plate; the heat dissipation assembly comprises a plurality of radiating fins which are stacked at certain distances, and microcirculation heat dissipation modules; the microcirculation heat dissipation modules are arranged in the corresponding radiating fins in a penetrating manner; each microcirculation heat dissipation module is of a tubular structure of which one end is opened and the other end is closed and a branch working medium cavity is formed in each microcirculation heat dissipation module; each branch working medium cavity communicates with the main working medium cavity; and liquid-absorbing micro-channels with capillary structures are arranged in the inner walls of the main working medium cavity and the branch working medium cavities and capillary channels of the liquid-absorbing micro-channels communicate with each other. The segment-type microcirculation radiator and the microcirculation heat exchange system are compact in structure, high in heat transfer efficiency, lower in noise, lower in auxiliary power consumption, high in reliability and wide in market prospect, and the problem of a main bottleneck in electron component industry development is well solved.

The invention discloses a hollow thin-walled pier internal mold bolt ejection removal technology, and relates to an internal mold. The hollow thin-walled pier internal mold bolt ejection removal technology comprises template design and a construction method; in the template design, designing a mortise and a tenon, ejection bolts and puller bolts is included, the mortise and the tenon are arranged on two templates at one chamfer of the internal mold, the mortise is arranged on a chamfer template, the tenon is arranged on a big plane mold, the ejection bolts are arranged on the vertical frame of the mortise template, and the puller bolts are arranged between vertical joint connecting bolts on the vertical frame of the tenon template; during the installation, the template surface is screwed by the ejection bolts, and the puller bolts and the vertical joint connecting bolts are screwed down; during mold removal, the connecting bolts of the tenon template are removed, the puller bolts are screwed up, and the ejection bolts are screwed down from bottom to top. The technology solves the problems that a hollow thin-walled pier internal mold is difficult to install and detach, slurry is easy to leak, materials are wasted, the template is easy to deform, the concrete is easy to knock and pry and the like, and is suitable for internal mold design and construction of engineering.

The invention discloses a method and device for preparing fluidized ice slurry with a disc type double-sided scraped-surface heat exchanger. The device comprises a disc type double-sided scraped-surface heat exchanger, an ice crystal ager and a delivery pump, wherein the ice crystal ager is located above the scraped-surface heat exchanger; an inlet of the ice crystal ager is communicated with the scraped-surface heat exchanger; a discharge hole of the ice crystal ager is connected with the delivery pump; the scraped-surface heat exchanger comprises a refrigeration disc, a scraper and a rotary shaft; a through hole is formed in the middle of the refrigeration disc; the rotary shaft vertically passes through the through hole; the refrigeration disc comprises two refrigeration surfaces; and the scraper is close to the refrigeration surfaces and is fixed on the rotary shaft. The device disclosed by the invention has the advantages of simple structure, good heat transfer effect and low energy consumption.

An on-line pollution proof heat exchange device of cylinder cluster using wasted water and surface water as cooling and heating sources is prepared for connecting outlet and inlet of water source to source water inlet layer of cylinder cluster, connecting inlet and outlet of media to be heated to heat exchange layer of media to be heated, setting brush rod in water source inlet layer and forming cylinder cluster by sheathing a set of cylinders in coaxial and equal lengthy to each other. Its heat exchanging method is also disclosed.

The invention discloses a modularized cooling device for an internal combustion locomotive. The modularized cooling device for the internal combustion locomotive comprises a water cooling system, a pressurized air cooling system, a transmission oil cooling system, a static-pressure oil cooling system, a fan set and a steel frame and is characterized in that the steel frame is composed of a fan rack and a cooling device mounting rack fixed at the lower end of the fan rack, a fan drum is arranged inside the fan rack, and the fan set is arranged inside the fan drum; the water cooling system, the pressurized air cooling system, the transmission oil cooling system and the static-pressure oil cooling system are arranged inside the cooling device mounting rack. The modularized cooling device for the internal combustion locomotive is compact in structure and reasonable in matching; has good heat exchange capacities and relatively low air pressure losses and accordingly saves energy sources; simplifies the manufacturing process and reduces the production costs; is dirt-proof and easy to maintain, thereby reducing the use cost; facilitates working environment improvement due to appropriate noise reduction measures.

The invention discloses a radiating fan controller structure for a standby power supply of a fuel cell. The radiating fan controller structure comprises a central processing unit, and a controller area network (CAN) interface module, a temperature acquisition module, a voltage and current acquisition module and a drive module which are connected with the central processing unit, wherein a power module is used for providing power for the central processing unit and all the modules. The structure is flexible in control and high in accuracy; and due to the adoption of the structure in combination with a good control method, the rotating speed of a radiating fan can be controlled in real time according to requirements of a standby power supply system to achieve the effects of reducing auxiliary power consumption, improving the operating efficiency of the system and enhancing the reliability of the system, so that the system is positioned in the optimal operating state.

The invention discloses a cooling system for a converter of a diesel locomotive and belongs to the field of cooling systems for converters. An independent air inlet unit is arranged on the top of a radiator; the radiator is arranged on the top of an independent air chamber; a traction motor ventilator is arranged in the independent air chamber; the air inlet of a main generator is communicated with the independent air chamber; the independent air chamber is communicated with the independent air inlet unit; a water outlet pipeline of the radiator is connected with the water inlet of a water pump; the water outlet of the water pump is connected with a converter water inlet pipeline; the converter water inlet pipeline is connected with the water inlet of the converter; the water outlet of the converter is connected with a converter water outlet pipeline; the converter water outlet pipeline is connected with the water inlet of the radiator; and the water outlet of the radiator is connected with a radiator water outlet pipeline. The weight of the whole cooling system for the converter is reduced, so the space in the diesel locomotive is saved, the auxiliary power consumption is reduced, the reliability of the system is improved and the manufacturing cost is reduced.

This invention is a low bed pressure drop circulating fluidized bed boiler combustion technical method, which relates to rapid circulating fluidized bed boiler combustion technique. It makes sure the circulating fluidized bed rapid bed fluid state. The inner bed temperature is controlled within 850-930 degree. The fluidizing wind speed is 4-6.2m/s. The average particle size of circulating materials is smaller than 300mum. The material concentration of the space above combustion chamber second air port is kept 1-15Kg/m3 rapid bed state. This invention can greatly reduce the pressure head of first and second wind machines. Thus, it effectively reduces the power dissipation of assisting engines. In addition, as the space material concentration decreased, gas mixture improved, combustion intensified, the combustion efficiency of boiler is further increased. This invention can also reduce the attrition rate of combustion chamber water-cooled wall heating surface.

The embodiment of the invention provides a fuel cell gas flow distribution device and a control method. The fuel cell gas flow distribution device comprises a mass flow meter which is used for measuring the actual mass flow of reaction gas in a gas inlet manifold, a pressurization module which is used for increasing pressure for reaction gas in the gas inlet manifold to enable the reaction gas toenter the flow distribution module, a master controller which is used for sending a preset signal to the flow distribution module,and aflow distribution module which is used for determining a corresponding preset control strategy according to the preset signal, so that the flow distribution module is only communicated with one target air inlet branch pipe each time, and circularly and repeatedly inflates each air inlet branch pipe. According to the embodiment of the invention, reaction gas is alternately provided for each fuel cell stack through the flow distribution module, so that the function of simultaneously providing the reaction gas for a plurality of fuel cell stacks through one compressor is realized, and the auxiliary power consumption and the cost of a fuel cell power system arereduced; the problems of energy loss and waste are solved, and the efficiency of a fuel cell power system is improved.

An electrical system for use with an AC power supply having multiple phase voltages, e.g., three phase voltages, may include a high-voltage battery pack or other high-voltage DC device, a 12 VDC battery or other auxiliary-voltage DC device providing auxiliary power to the electrical system, multiple AC-DC converters, and a controller. The AC-DC converters each provide a DC output voltage to the high-voltage DC device, and are operable for converting a respective one of the phase voltages from the AC power supply into the DC output voltage. The controller selectively disables the AC-DC converters in response to a detected predetermined operating condition to thereby reduce consumption of the auxiliary power within the electrical system. A vehicle may include a high-voltage DC battery pack, an auxiliary-voltage DC battery providing auxiliary power, an onboard charging module, a charging port, an auxiliary power module, an electric machine, and a controller.

The invention relates to an integrated auxiliary system for a pure electric commercial vehicle. The auxiliary system comprises a driving motor 1, a driving motor controller 2, a support 3, a transmission system, an air compressor 8, a steering system, an air conditioner compressor 5, a low-voltage generator 6, a cooling water pump and a cooling lubricating system. The air conditioner compressor 5 is located on the right side of the reduction gearbox 4, the low-voltage generator 6 is installed on the upper portion of the reduction gearbox 4 in a screwed mode, the main belt pulley 413 is simultaneously connected with a driven belt pulley of the air conditioner compressor 5 and a driven belt pulley of the low-voltage generator 6 through a belt 11, and the steering oil pump 7 is connected to the right rear side of the reduction gearbox 4 in a screwed mode. The output shaft of the drive motor 1 is fixedly connected with the input shaft of the steering oil pump 7. The air compressor gear 420 is meshed with a second gear 407 in the reduction gearbox 4, the driving motor controller 2 is located on the rear portion of the steering oil pump 7, and the air compressor 8 is located on the left rear side of the reduction gearbox 4. The system is high in integration level, compact in structure, reasonable in performance and arrangement, simple to control, low in cost and light in weight.

The invention relates to the technical field of rail train equipment and auxiliary equipment, and discloses an internal combustion locomotive anti-vibration cooling system. The internal combustion locomotive anti-vibration cooling system is characterized by comprising multiple cooling sections, each cooling section comprises a cooling pipe and fins, a liquid inlet and a liquid outlet are formed inthe two ends of each cooling pipe, the cooling pipes penetrate into and are inserted in the fins in a multi-bending manner, the liquid inlets of the cooling pipes and a heat exchanger outlet of an internal combustion machine form abut-joint connectors, liquid outlets of the cooling pipes and a heat exchanger inlet of the internal combustion machine form abut-joint connectors, each abut-joint connector is connected through an anti-vibration unit, the anti-vibration units comprise connecting plates, bolts, springs and flexible pipe joints, , the connecting plates are fixed to the two ends of the abut-joint connectors, the springs are arranged between the connecting plates, connection through the bolts is achieved, the abut-joint connectors are connected through the flexible pipe joints, andthe cooling sections are connected with multiple heat exchangers of the internal combustion machine. Vibration of a locomotive can be buffered and absorbed, and meanwhile, large heat expansion and cold shrinkage compensation capacity is achieved.

A fluidized bed boiler plant (10) and a method of preheating combustion gas fluidized bed boiler plant, the boiler plant comprising a furnace (12) and a combustion gas channel (24, 24b), and a water-steam cycle comprising an evaporator section (26), a superheater section comprising a last superheater (30') and a steam turbine (34), and a superheating path for conveying steam from the evaporator section (26) via the superheater section to the steam turbine, and a first combustion gas preheater (38, 38b), wherein the fluidized bed boiler plant comprises a second combustion gas preheater (40, 40b), a steam extraction line (46, 46b) attached in flow connection with the second combustion gas preheater and with the superheating path in a location upstream of the last superheater (30') for conveying steam from the superheating path to the second combustion gas preheater (40, 40b), wherein the method for preheating combustion gas comprises conveying steam from the superheating path from a location upstream of the last superheater via the steam extraction line (46, 46b) to the second combustion gas preheater (40, 40b), and transferring heat from the steam to the combustion gas in the secondcombustion gas preheater.

The embodiment of the invention discloses a water cooling device for a permanent magnet direct drive system of an urban rail vehicle. The water cooling device comprises a box body frame, wherein the box body frame is provided with a first cooling branch and a second cooling branch in a distributed mode; and the first cooling branch and the second cooling branch are arranged in the box body frame in an axial symmetric mode, and the first cooling branch/the second cooling branch can inhale low-temperature air from the two sides of the box body frame correspondingly, so that cooled cooling liquidflows into the interior of a first bogie permanent magnet direct drive system/a second bogie permanent magnet direct drive system to carry out liquid-cooling heat exchange on the first bogie permanent magnet direct drive system/the second bogie permanent magnet direct drive system while the low-temperature air is blew to a rail after completing the convection heat exchange process with high-temperature cooling liquid flowing out of the first bogie permanent magnet direct drive system/the second bogie permanent magnet direct drive system. According to the water cooling device for the permanentmagnet direct drive system of the urban rail vehicle, the purpose of simultaneously cooling the two permanent magnet direct drive systems is achieved, and meanwhile, the water cooling device integrates a control system so that the auxiliary power loss and noise can be effectively reduced while the water cooling device is protected.