950results about How to "Low power" patented technology

The invention discloses a high-power offshore semi-direct-drive permanent magnet wind driven generator cooling system which comprises an outer stator and an inner rotor, the outer stator comprises a motor base, a stator iron core and a stator winding assembled on the stator iron core are installed in the motor base, and an air-water cooler is installed on the upper portion of the motor base. A flow guide plate is arranged in the air-water cooler, a heat dissipation core body is installed at the position, located at the bottom of the flow guide plate, in the air-water cooler, and the flow guide plate is used for enabling hot air exhausted out of the motor to pass through the heat dissipation core body to form a plurality of parallel air paths in the air-water cooler. And the plurality of air paths connected in parallel respectively perform cold and heat exchange with the interior of the motor so as to reduce the air resistance in the motor and the air-water cooler. The cooling system has the characteristic of low wind resistance, the power of the air cooling driving motor used by the cooling system can be reduced, the cost of the cooling system is reduced, and the heat dissipation efficiency is improved.

The invention discloses a multi-stage temperature accurate control method based on a neural network algorithm, relates to the field of oven temperature control, and particularly comprises the steps of setting a final target temperature # imgabs0 #, and dividing a heating process of heating to the final target temperature # imgabs1 # into a rapid temperature rise stage, a temperature rise control stage and an accurate temperature control stage, an intermediate target temperature # imgabs2 # is set in each stage so as to gradually approach the final target temperature # imgabs3 #; according to the established oven system model, the influence of different intermediate target temperatures # imgabs4 # on temperature response is analyzed, and a proper intermediate target temperature # imgabs5 # combination is found; the heating temperature # imgabs6 # of the heating wire and the temperature # imgabs7 # in the oven are detected in real time through a temperature sensor, and then segmented control is conducted; through segmented control, the temperature rise rate and control precision of each stage are optimized, overshoot is reduced, the response speed is increased, the target temperature is gradually approached, and temperature overshoot caused by one-time large-amplitude temperature rise is avoided.

The invention relates to the technical field of rolling equipment, and discloses rolling equipment and a rolling method.The rolling equipment for the bimetal semi-solid composite planes.The rolling equipment for the bimetal semi-solid composite planes.The rolling equipment for the bimetal semi-solid composite planes.The rolling equipment for the bimetal semi-solid composite planes.The rolling equipment for the bimetal semi-solid composite planes.The rolling equipment for the bimetal semi-solid composite planes.The rolling equipment for the bimetal semi-solid composite planescomprises a rack, first sliding grooves are formed in the two sides of the supporting frame correspondingly, and first sliding bases are slidably installed in the two first sliding grooves correspondingly. Through the arrangement of the transmission mechanism and the adjusting frame, the bimetal semi-solid composite plate reciprocates for multiple times to penetrate through the space between the upper roller and the lower roller, the gap between the upper roller and the lower roller is gradually reduced through the transmission mechanism, and the bimetal semi-solid composite plate is rolled when moving leftwards; the bimetal semi-solid composite board is leveled when moving rightwards, the residual stress and tiny deformation in the material can be eliminated through the multiple circulating and reciprocating rolling and leveling processes, and the shape stability of the board is improved.

The invention belongs to the technical field of electromagnetic protection, and relates to an electromagnetic protection device based on mechanical wave nonlinear attenuation, which comprises a piezoelectric substrate, and a signal input component, a nonlinear attenuation component and a signal output component which are sequentially arranged on the piezoelectric substrate at intervals, the nonlinear attenuation component comprises an energy absorption structure, a deformation structure and a rigid connection structure. The energy absorption structures are made of energy absorption materials and are arranged above the piezoelectric substrate at intervals; the deformation structure is made of a mechanical metamaterial, and two ends of the deformation structure are respectively connected with the energy absorption structure and the piezoelectric substrate; one end of the rigid connection structure is connected with the energy absorption structure, and the other end is spaced from or abutted against the piezoelectric substrate; the signal input component converts electromagnetic wave signals into mechanical waves, the nonlinear attenuation component deforms under propagation of the mechanical waves, the deformation quantity is in direct proportion to the strength of the mechanical waves, and the signal output component converts the mechanical waves into the electromagnetic wave signals and outputs the electromagnetic wave signals. According to the invention, electromagnetic protection can be realized based on mechanical wave nonlinear attenuation.

The invention relates to the technical field of medical oxygen generators, and discloses an efficient and energy-saving PSA oxygen generator which comprises an adsorption tank, a gas inlet pipeline, a nitrogen discharge pipeline, an I-shaped balance pipeline, a first purging pipeline, a second purging pipeline, an oxygen outlet pipeline, a purity measurement pipeline, a qualified gas pipeline, an unqualified gas pipeline and an emptying pipeline, a throttling element is arranged on each of an inlet pipeline and an outlet pipeline of the adsorption tank and used for controlling the flow of gas when the adsorption tank is balanced, impact of high-speed gas on a molecular sieve is avoided, oxygen-enriched air can stay at the top of the adsorption tank in various balance modes, and desorbed low-concentration oxygen is adsorbed again to obtain the oxygen-enriched air. And the oxygen recovery rate is improved, so that the air consumption is reduced, the required power of an air compressor is reduced, and the energy consumption required by oxygen production is reduced.

The invention discloses punching equipment for solid wood furniture board production. The punching equipment comprises a horizontal driving assembly; the first hydraulic telescopic device is arranged on the horizontal driving assembly; the perforating machine is arranged at the driving end of the first hydraulic telescopic device; the flying chip prevention assembly comprises a top baffle, an annular plate and a telescopic hose, the top baffle is connected with the driving end of the first hydraulic telescopic device, the annular plate is connected with the top baffle through the telescopic hose, and the annular plate is connected with the horizontal driving assembly through a second hydraulic telescopic device; a punching space is defined by the top baffle, the annular plate and the telescopic hose. And the wood chip cleaning device is arranged on the horizontal driving assembly, and the wood chip cleaning device is slidably connected with the flying chip preventing assembly and used for cleaning wood chips in the punching space. Therefore, wood chips can be conveniently cleaned, and meanwhile the wood chip cleaning device has the advantages of being small in noise and low in energy consumption.

The invention discloses a thin-layer high-density filler which is prepared by combining an optimized weaving method, weaving density and a bundling mode on the basis of a plain woven wire mesh filler. The novel weaving method enables the weft number of the thin-layer high-density filler to be larger than that of plain woven wire mesh filler under the condition of the same warp number, and the thin-layer high-density filler has the characteristics of high specific surface area, high mass transfer efficiency, low flow pressure drop and the like. A large number of micropores exist on the surface of the thin-layer high-density filler, the wettability is extremely good, the transverse diffusion effect of liquid in the filler can be greatly enhanced due to the fact that the weft density is large, the performance is particularly outstanding in the processes of large-spraying-density rectification and the like, and the pressure drop is about 30%-50% lower than that of a common plain woven filler. The filler provided by the invention mostly adopts stainless steel wires as raw materials, and has the advantages of low cost, large flux, stable performance and low metal exudation rate, so that the filler is difficult to replace in the field of heat pump rectification, high-purity electronic chemical separation, intermediate separation and isomerism separation production.

The utility model discloses a ventilation and heat dissipation structure of an energy storage boost converter all-in-one machine, which comprises an energy storage converter and an energy storage container arranged adjacent to the energy storage converter, a power unit module is arranged at the upper part of a cabinet, and a reactor is arranged at the lower part of the cabinet; the top of the side face, adjacent to the energy storage container, of the energy storage converter is provided with a main air duct air outlet, and the top of the side face opposite to the energy storage container is provided with a main air duct air inlet. A support is arranged at the bottom of the energy storage converter, the energy storage converter is lifted through the support, an electric reactor air channel air inlet is formed in the bottom face of the energy storage converter cabinet, an electric reactor air channel air outlet is formed in the middle of the side face, adjacent to the energy storage container, of the energy storage converter, and the electric reactor air channel air outlet is located at the top of the electric reactor. According to the utility model, through the optimized design of the air duct, the heat dissipation efficiency is greatly improved, the power of a heat dissipation system is reduced, the efficiency of the converter and booster all-in-one machine is indirectly improved, and the volume of a related heat dissipation system can be reduced on the basis of the original traditional design.

The invention discloses a metal laser fuse additive manufacturing device based on microgravity and vacuum conditions, which belongs to the field of metal material additive manufacturing in a space environment and comprises a controller module, a mechanical and motion module, a laser module, a thermal control and monitoring module and a data acquisition module. The mechanical and moving module comprises a device shell internally provided with multiple layers of cavities, a feeding mechanism arranged at the bottom of the lower cavity of the device shell, and a bottom plate moving mechanism. The laser module, the feeding mechanism, the bottom plate movement mechanism, the thermal control and monitoring module and the data acquisition module are all in circuit connection with the controller module; in the working state, an amorphous alloy bar is softened under the laser action of the laser module and is driven by the feeding mechanism to make contact with the bottom plate, the amorphous alloy is further softened along with follow-up heating, and the amorphous alloy is bonded with the bottom plate by adjusting movement of the bottom plate and naturally cooling, so that metal forming is achieved.

The invention relates to a cleaning system, the cleaning system comprises a cleaning device and a base station, the cleaning device comprises a dust box, a first dust collection unit communicating with the dust box and a battery electrically connected with the first dust collection unit, and the first dust collection unit is used for absorbing garbage outside the cleaning device into the dust box; the base station comprises a dust collection cavity and a second dust collection unit communicated with the dust collection cavity; the cleaning equipment further comprises a controller, and when the current voltage of the battery is smaller than or equal to a first voltage threshold value, the controller controls the cleaning equipment to return to the base station; the cleaning system has a dust collection mode, and when the cleaning system is in the dust collection mode, the second dust collection unit is started to absorb garbage in the dust box into the dust collection cavity. While the dust collection efficiency is improved, the base station can be equipped with the fan with smaller power, and meanwhile, the fan noise during working is also reduced.

The utility model discloses a device for reducing the efficacy of a long-distance belt conveyor, and belongs to the technical field of conveyor energy-saving control. Comprising a belt conveyor support, a carrier roller arranged on the upper portion of the belt conveyor support, a driving roller arranged on the head portion of the belt conveyor support and a belt connected to the carrier roller and the driving roller in a tensioning mode. A lubricating device used for reducing friction force between the surface of the carrier roller and the contact face of the belt is arranged on the outer side of the carrier roller in parallel, and the lubricating device is in contact connection with the outer circumferential surface of the carrier roller by being fixedly connected to a belt conveyor support. The driving roller is further provided with an adhesive device used for increasing friction force between the surface of the driving roller and the contact face of the belt, the adhesive device comprises an adhesive containing groove, a control valve and an adhesive distributing rod parallel to the driving roller, the adhesive containing groove is communicated with the adhesive distributing rod, and the control valve is arranged between the adhesive containing groove and the adhesive distributing rod. The lubricating device and the adhesive device are arranged to change the friction force at different positions, so that the power of the belt conveyor can be effectively reduced under the non-slip condition, and the transportation efficiency is improved.

The invention provides a park energy optimization configuration method, system and device and a medium, and belongs to the technical field of park energy management. The method comprises the following steps: acquiring equipment state data and people flow data in a park in real time, judging the current energy consumption condition and personnel activity condition of each area and each equipment, and generating power consumption data of each area and each equipment in the park; formulating a control strategy of a lighting system, an air conditioning system and standby equipment in the park according to the real-time analysis result, generating a corresponding control instruction, and issuing the control instruction to related equipment for execution; historical electricity price data and weather forecast information are combined, the future electricity price trend is predicted, and the state of the energy storage equipment is monitored; according to the monitoring result of the future electricity price trend and the state of the energy storage equipment, making and executing a charging plan of the energy storage equipment; and calculating an energy consumption trend and an energy-saving effect by using a data analysis algorithm based on the power utilization data of each region and each device in the park, identifying the device with abnormal energy consumption, and performing power regulation on the device with abnormal energy consumption.

The present invention provides an integrated structure composite conduction type solid oxide cell and a preparation method thereof, and belongs to the technical field of solid oxide fuel cells, the integrated structure composite conduction type solid oxide cell comprises: an integrated skeleton, the integrated skeleton comprises an electrolyte layer and porous layers on two sides, the integrated skeleton is composed of a proton conductor material and an oxygen ion conductor material, the molar ratio of the proton conductor material to the oxygen ion conductor material is 1: (0.8-1.2), and the proton / oxygen ion composite material is prepared by mixing and sintering the proton conductor material with the average particle size of 50-60 nm and the oxygen ion conductor material with the average particle size of 0.1-0.2 [mu] m; the catalyst layer is positioned on the pore wall of the porous layer. According to the invention, by limiting the proportion and the particle size of the proton conductor material and the oxygen ion conductor material, more conduction type paths are prepared, and the output power of the solid oxide battery is improved.

The invention provides a preparation method of an antireflection film of a semiconductor laser, and belongs to the technical field of semiconductor lasers. The problem that a film layer falls off in an existing anti-reflection film preparation process is solved. Comprising the following steps: pretreatment cleaning before bar coating: vacuumizing a chamber of reaction magnetic control equipment to a vacuum degree of 10 <-6 > Torr grade, turning on a heating lamp to heat the chamber to a set temperature, starting an ion source, introducing a proper amount of plasma gas into the ion source, introducing a proper amount of plasma gas into the chamber to enable the vacuum degree of the chamber to reach a 10 <-3 > Torr grade, and then cleaning; in the process steps of plating the silicon nitride thin film and the aluminum oxide thin film, a chamber is kept at a certain temperature, and then the vacuum degree of the chamber is reduced during film plating; and the performance of the laser is stably improved while the production yield of the semiconductor laser is improved.

The utility model discloses an electromagnetic pulse valve, relates to gas circuit valve technical field, the electromagnetic pulse valve includes valve body, bonnet, diaphragm and control solenoid valve, bonnet is fixed on the valve body, the diaphragm floats between the bonnet and the valve body, forms the rear air chamber between the diaphragm and the bonnet, and the control solenoid valve is fixed on the valve body. A front air chamber is formed between the diaphragm and the valve body, and the diaphragm seals and separates the front air chamber and the rear air chamber; the valve body is provided with an air inlet and an air outlet, the air inlet is communicated with the front air chamber, and the diaphragm is provided with a valve pad used for sealing the air outlet; an air inlet of the control electromagnetic valve is communicated with an air source, and an air outlet of the control electromagnetic valve is communicated with the rear air chamber. The electromagnetic valve has the advantages of being capable of avoiding pollution and harm caused by leakage of gas in the valve, high in closing response speed, low in power needed by the coil, simple in structure, convenient to produce and the like.

The invention discloses a face type LED car lamp light source time division multiplexing driving circuit, driving system and driving method.The driving circuit comprises a pulse power source generating circuit and an LED driving circuit, the pulse power source generating circuit comprises a plurality of pulse power source signal output ends, and the pulse power source signal output ends are connected with the LED driving circuit; at most one pulse power supply signal output end outputs pulse power supply signals at the same time, and each pulse power supply signal output end is connected with the positive electrodes of the multiple sets of LED lamps in a one-to-one correspondence mode. The negative electrode of each LED lamp in each group of LED lamps is connected with the negative electrode of one LED lamp in each other group of LED lamps in a one-to-one correspondence manner and then is grounded through different LED driving circuits; and the LED driving circuits are used for controlling whether the negative electrodes of the LED lamps connected with the LED driving circuits are grounded or not. According to the surface type LED vehicle lamp light source time division multiplexing driving circuit, driving system and driving method, the use of driving chips can be reduced through time division multiplexing, and the driving circuit, driving system and driving method are energy-saving, efficient, low in cost and high in display contrast ratio.

The utility model relates to the technical field of thermal management of lithium ion batteries, and provides a liquid cooling and phase change composite radiating bionic flow channel liquid cooling plate for a battery pack, which comprises a substrate and a cover plate, the substrate and the cover plate are made of metal materials with good thermal conductivity, the substrate is provided with a liquid inlet flow channel, a liquid outlet flow channel, a main flow channel, an arc-shaped flow channel and a filling cavity, the liquid inlet flow channel and the liquid outlet flow channel are arranged on the base plate, the main flow channel is linear and is connected with the liquid inlet flow channel and the liquid outlet flow channel, the arc-shaped flow channels are arranged on the two sides of the main flow channel, the two ends of each arc-shaped flow channel are communicated with the two ends of the main flow channel, a plurality of filling cavities are formed between the main flow channel and the arc-shaped flow channels, and the filling cavities are filled with phase change materials. The phase change temperature of the phase change material is 40-53 DEG C. The substrate and the cover plate are sealed and fixedly connected. Compared with a traditional liquid cooling structure, the heat dissipation structure combines an active heat dissipation mode and a passive heat dissipation mode, the pump power is reduced, and meanwhile the heat dissipation performance is improved.

The invention belongs to the field of ethylene production devices, and discloses a method and a system for coupling RTC dry gas and an ethylene device and transformation of the ethylene device. The system comprises an ethylene rectifying tower unit, an original propylene refrigeration unit, a newly added propylene refrigeration unit, a cold box unit and an RTC ethylene-rich C2 gas feeding pipeline. According to the invention, the newly added cold box unit and the newly added propylene refrigeration unit are used for recovering cold energy in circulating ethane and a liquid-phase ethylene product of a modified system, so that the temperature and the operation difficulty of RTC dry gas entering an ethylene rectifying tower are reduced, the yield of the ethylene product is increased, and the influence degree on an original ethylene device is minimum; the investment cost and the construction period can be saved.

The double-layer oil pan lubricating system of the integrated air conditioner comprises an oil pan, an oil duct and a cooling system, the oil pan comprises an outer shell and an inner shell arranged in the outer shell, the inner shell is used for containing engine oil, the outer shell and the cooling system circulate for allowing cooling liquid to flow, and the cooling liquid in the outer shell is used for cooling the engine oil in the inner shell; engine oil in the inner shell flows to the oil duct, and the cooling system is used for cooling the cooling liquid. Due to the fact that a traditional engine oil cooler is omitted, the overall resistance of a lubricating system is reduced, the rotation displacement of the electronic engine oil pump can be further reduced, the overall size of the electronic engine oil pump is reduced, arrangement and installation are convenient, and the total shaft power of the electronic engine oil pump is also reduced.

The utility model discloses a marking machine for high-frequency transformer production, and relates to the technical field of transformer production. The device comprises a supporting table, supporting legs are fixedly connected to the bottom of the supporting table, an electric push rod is arranged at the bottom of the supporting table, a supporting column is fixedly connected to the top of the supporting table, a bearing table is arranged above the supporting table, and a supporting plate is fixedly connected to the sides, close to each other, of the supporting legs. According to the utility model, the supporting rod is arranged, so that the high-frequency transformer is placed on the bearing platform during use, and then the auxiliary ring is pulled to approach the high-frequency transformer through the limiting plate I and the limiting plate II which are in sliding connection with the surfaces of the sliding rod I and the sliding rod II respectively; and then an auxiliary ring is placed, and a blocking rod is pushed to be matched with a clamping groove formed in the surface of the bearing platform according to cooperation of a spring and an auxiliary cylinder, so that the effect of positioning the high-frequency transformer is achieved, and the marking stability of the high-frequency transformer and the marking instrument is improved.

The invention discloses a charging pile axial flow fan blade parameter optimization method based on a genetic algorithm, and the method comprises the steps: extracting the geometrical shape of an existing blade, calculating a performance curve of an existing fan structure, and carrying out the verification through an experiment; drawing a hub line and a wheel cover line in a meridian plane; reconstructing a three-dimensional model of the moving blade; keeping the molded lines of the constructed hub and axle unchanged, widening the molded lines of the front and rear edges of the meridian plane blade to enable the width to be matched with the axial height of the blade, and constructing a single flow channel; 5, performing three-dimensional calculation by using the obtained three-dimensional moving blade model, and verifying whether data features are matched or not; step 6, establishing a meta-model; performing genetic algorithm multi-target optimization; according to the method, the genetic algorithm is utilized, and the axial flow fan blade with the minimum fan power and the maximum static pressure efficiency is rapidly and accurately obtained; in addition, the blade of the axial flow fan is researched through parameterization, and the blade with changed geometric parameters can be verified more easily.

The utility model provides a reciprocating type logistics conveying temporary storage line. The reciprocating type logistics conveying temporary storage line comprises a first conveying line, a second conveying line and two sets of driving mechanisms. The first conveying line comprises an inlet end and a first station, a first sliding groove is formed in the first conveying line in the direction from the inlet end to the first station, and multiple sets of first rolling bodies are sequentially arranged in the first sliding groove; the second conveying line comprises an outlet end and a second station, a second sliding groove is formed in the second conveying line in the direction from the second station to the outlet end, multiple sets of second rolling bodies are sequentially arranged in the second sliding groove, and the first station and the second station are arranged adjacently; the driving mechanism comprises a guide rail, a translation driving part and a push-pull assembly, the push-pull assembly is slidably mounted on the guide rail, and the translation driving part is used for driving the push-pull assembly to move along the guide rail so as to push or pull the tray to move through the push-pull assembly; the two guide rails are arranged on the first conveying line and the second conveying line respectively. The reciprocating type logistics conveying cache line has the advantages of being simple in structure, low in failure rate and low in cost.

Embodiments include, in response to monitoring the processor during operation, detecting a first number of core recovery events in the processor, determining that the first number of core recovery events satisfies a first condition of a first core recovery event threshold, and modifying a value of at least one droop sensor parameter of the processor by a first amount. The at least one droop sensor parameter affects sensitivity to voltage droop. In response to modifying the value of the droop sensor parameter by the first amount, a second number of core recovery events in the processor is detected. A second condition that the second number of core recovery events satisfies a second core recovery event threshold is determined, and the value of the at least one droop sensor parameter is modified by a second amount.

The invention provides a segmented cleaning photovoltaic cleaning robot and an application method, and belongs to the technical field of photovoltaic cleaning, the segmented cleaning photovoltaic cleaning robot comprises a walking module, a water supply assembly, a crawling track, a crawling module and a cleaning module; the two walking modules are symmetrically connected to the two ends of the crawling rail, and the water supply assembly is connected to the top end of one walking module. The crawling module is connected to the crawling track; the cleaning module is connected below the crawling module; the crawling module comprises a driving belt wheel, a driven belt wheel and a belt connected with the driving belt wheel and the driven belt wheel, and the belt abuts against the side wall of the crawling rail. The cleaning module is small in size, the gravity needing to be overcome during work is small, and then the power needed by work of the robot is small; as the cleaning module is light in weight, when the robot moves from top to bottom, the speed of the robot can be controlled only through small friction force; the friction force between the driving module and the side face of the crawling support is increased through a belt, the speed of the crawling module is balanced, and the cleaning effect is guaranteed.

The invention provides a small low-temperature plasma microorganism mutation breeding device which comprises a shell, a mutagenesis cavity is formed in the shell, a sample carrying disc is rotationally arranged in the mutagenesis cavity and driven to rotate through a servo motor arranged in the mutagenesis cavity, a centrifugal tube circular clamping support is further arranged below the sample carrying disc, and the centrifugal tube circular clamping support is arranged in the shell. A centrifugal tube circular clamping support is arranged in the mutagenesis cavity and used for clamping a centrifugal tube, an ultrasonic washing tray is arranged below the centrifugal tube circular clamping support, a composite discharge electrode is arranged above the sample carrying tray in the mutagenesis cavity, and an ultraviolet lamp tube is further arranged in the mutagenesis cavity. According to the method, the plasma with higher intensity and higher density can be generated at normal temperature and normal pressure, the assistance of conditions such as a vacuum environment and rare gas is not needed, continuous mutagenesis can be carried out on a large scale, and the mutagenesis success rate is higher; harmful gas generated in an experiment can be filtered and degraded through the arranged composite filtering module, and then the harmful gas is discharged after reaching a concentration range acceptable by a human body, so that the probability of bacterial contamination is reduced.

The invention discloses a low-damage etching method for a frequency modulation layer of a resonator, which comprises the following steps of: preparing a bottom electrode and a piezoelectric layer structure of the resonator on a substrate of the resonator, and carrying out photoetching treatment on the frequency modulation layer film of the resonator based on a top electrode and a frequency modulation layer film of the continuous sputtering resonator; and finally, carrying out ion beam etching on the frequency modulation layer thin film subjected to photoetching treatment to a target thickness to obtain a required frequency modulation layer pattern. According to the scheme, the frequency modulation layer of the resonator is etched based on the ion beam etching technology, etching materials are not limited, parameters in the ion beam etching process are optimized, low-speed and low-power etching is achieved, the etching effect is improved, meanwhile, the wafer yield is increased, and the production efficiency is improved.

The invention provides a micro-channel structure for high-power density packaging and a preparation method thereof, and the micro-channel structure comprises a carrier plate which is provided with a chip stacking body; the shell covers the carrier plate and accommodates the chip stacking body, the shell and the carrier plate form a heat dissipation micro-channel surrounding the chip stacking body, the heat dissipation micro-channel comprises an inlet and an outlet, the inlet and the outlet are formed in the side, away from the carrier plate, of the shell, cooling liquid enters and exits from the inlet and the outlet, the shell is provided with a slope part extending along the surface of the carrier plate, and the slope part extends along the surface of the carrier plate. The width, close to the carrier plate, of the slope part is larger than the width, away from the carrier plate, of the slope part. According to the invention, the cooling liquid pumping power can be reduced on the premise of ensuring the heat dissipation effect.

The invention discloses a hydrogen fuel cell system, a thermal management method and a rail transit vehicle, the hydrogen fuel cell system comprises a hydrogen fuel cell module, a solid hydrogen storage module, and a thermal management module respectively communicated with the hydrogen fuel cell module and the solid hydrogen storage module, the hydrogen fuel cell module comprises a main module and an auxiliary module, the system is characterized in that a main heat management module is installed between the main module and the solid hydrogen storage module, and an auxiliary heat management module is installed between the auxiliary component and the solid hydrogen storage module. Heat required by hydrogen desorption of the solid hydrogen storage system is from waste heat of the hydrogen fuel cell module, so that the burden of a water-air radiator of a main loop is reduced, the power of a cooling fan of the main loop is reduced, and the energy utilization rate of the system is improved by more than 10%.

The utility model discloses a turnover unit of a roller conveyor. The turnover unit solves the problem of how to enable a conveying unit passing through a fireproof isolation door to be turnover. A pair of cantilever plates (11) are fixedly arranged on the front side and the rear side of the left end of a fixed roller horizontal supporting frame body (4), a turnover driving shaft (13) is arranged between a pair of mounted bearings (12), a turnover motor mounting support (23) is arranged on a supporting leg of a second support (2) below the rear end of the turnover driving shaft, a turnover motor (24) is arranged on the turnover motor mounting support (23), and a turnover motor (24) is arranged on the turnover motor mounting support (23). A pair of expansion sleeve lifting lugs (21) are fixedly connected to the overturning driving shaft in a sleeving mode, and the lower ends of the pair of expansion sleeve lifting lugs (21) are connected with an overturning frame (18). A turnover roller horizontal supporting frame body (5) is movably arranged between the first support (1) and the turnover driving shaft, and rollers (7) on the turnover frame body are arranged on the turnover roller horizontal supporting frame body (5) at intervals.

The invention discloses a control system for a new energy automobile charging pile, and the system comprises an intelligent charging control module which is used for monitoring a charging pile battery and is electrically connected with a plurality of monitoring sensors. The intelligent charging control module monitors the voltage, current and temperature of a charging pile battery in real time through multiple monitoring sensors. The intelligent charging control module is provided with a charging power adaptive adjusting system, and the intelligent charging control module is electrically connected with a remote monitoring and fault diagnosis module of an integrated Internet of Things (IoT) technology. The invention relates to the technical field of new energy charging piles, in particular to a control system for a new energy automobile charging pile, and the system can achieve the automatic management of the charging process of a new energy automobile through intelligent control, optimizes the charging power scheduling, guarantees the safety and high efficiency of battery charging, and improves the user experience.