1737 results about "Air exchange" patented technology

The invention relates to an energy-saving enthalpy difference test room, which comprises two adjacent rooms, namely an indoor environment simulation room and an outdoor environment simulation room, and further comprises an indoor air handling unit, an outdoor air handling unit and an indoor and outdoor air exchange unit, the outdoor environment simulation chamber is used for placing an outdoor unit of an air conditioner to be tested, the indoor air processing unit is installed in the indoor environment simulation chamber and can adjust the temperature of the indoor environment simulation chamber, and the outdoor air processing unit is installed in the outdoor environment simulation chamber and can adjust the temperature of the outdoor environment simulation chamber. The indoor and outdoor air exchange unit is communicated with the indoor environment simulation chamber and the outdoor environment simulation chamber, and cold / hot air generated by the indoor unit of the tested machine can be introduced into the outdoor environment simulation chamber.

The invention discloses a container type battery environment monitoring system based on edge calculation, which relates to the technical field of battery environment monitoring, and is characterized in that sensors and edge nodes are arranged in cabins of a battery energy storage device to acquire internal operation environment data of the container type battery energy storage device; a pneumatic environment data set and a water vapor critical data set are formed after data processing, cross-cabin air exchange efficiency Eex is constructed for air exchange qualification evaluation, a condensation nucleation potential index Cnp is constructed when air exchange is abnormal, and a comprehensive condensation risk index Rall is generated in combination with the cross-cabin air exchange efficiency Eex for condensation risk evaluation. Instructions such as fan power adjustment, dehumidification device start and stop and power limitation are issued according to the risk level, and information labels are added to the evaluation data set and uploaded to the cloud in real time. According to the invention, the real-time monitoring of the container type battery environment, the dynamic prediction of the condensation risk and the automatic control are realized, and the safety and reliability of the operation of the energy storage system are improved.

The invention discloses an intelligent monitoring system for construction environment pollution, particularly relates to the field of tunnel construction environment pollution monitoring, is used for solving the problems of pollution diffusion and risk assessment, and accurately calculates an air flow vector field through an intelligent air pollution monitoring system in combination with a fluid dynamics principle and a Navier-Stokes equation. Air flow and pollutant diffusion paths in a tunnel are disclosed. And constructing a pressure gradient field, quantifying the pressure difference and air exchange capacity between regions, and providing driving force analysis of pollutant diffusion. Calculating a pollutant transmission coefficient through nonlinear coupling calculation in combination with an air flow correlation degree, a pressure gradient field and an air exchange capability coefficient, and quantifying the pollutant transmission capability of adjacent regions; and then real-time evaluation and grading are carried out on pollution risks, high-risk areas are identified in time, and early warning information is pushed through the intelligent terminal. Therefore, the ventilation strategy is optimized, the energy consumption is reduced, and the health of constructors and the construction safety are guaranteed.

The invention discloses a ventilation and air exchange device for a green building. The ventilation and air exchange device comprises a ventilation and air exchange box, a mounting plate, a ventilation and air exchange opening, a rotary air disc and fan blades. Mounting plates are fixed to the two ends of the two sides of the ventilation box, fixing pins penetrate through the interiors of the mounting plates, one ends of the fixing pins extend into the green building wall, and ventilation ports are formed in the two ends of the outer side of the ventilation box. According to the ventilation device for the green building, a fan motor is used for driving a linkage shaft to rotate, and a transmission assembly is matched to enable a fan shaft to rotate synchronously, so that two rotating wind discs and a plurality of fan blades are driven to rotate, outdoor fresh air is extracted and fed into the green building, and the ventilation effect is improved. According to the indoor air purification device, vitiated air, harmful gas and microorganisms in a building can be effectively diluted and discharged, so that the indoor air quality is improved, a healthier and more comfortable living environment is provided for people, indoor oxygen can be effectively supplemented, and the freshness and vitality of indoor air are kept.

The invention relates to the technical field of fuel cells, in particular to a heat dissipation device for hydrogen fuel cell stacks, which comprises a through pipe, a drainage fan, drainage plates and an opening degree adjusting assembly, a plurality of cell stacks are arranged between two end plates, a cooling cavity is formed between the adjacent cell stacks, and cooling plates are arranged on two sides of each cell stack, so that the heat dissipation effect is improved. External air is conveyed to the cooling cavities through the penetrating pipes penetrating through the end plates and the cell stack, airflow power is provided by the drainage fans, the air exchanges heat with the cooling plates in the cooling cavities and then is guided to the outer side surface of the cell stack through the drainage plates arranged around the cooling cavities, and directional cooling of a cell stack shell is achieved. The opening adjusting mechanism is arranged in the cooling cavity, and the distance between the drainage plate and the surface of the cell stack can be adjusted in real time according to temperature feedback, so that the section and the flow speed of an airflow outlet are changed, the heat dissipation intensity of the outer side of the cell stack is dynamically controlled, and the problem that the temperature of the outer side of an existing hydrogen fuel cell stack is not easy to control is solved.

The present invention discloses a photovoltaic step-up transformer with air-cooling heat dissipation and its auxiliary equipment, including a transformer protection box. A number of groups of heat dissipation blocks are symmetrically installed on both sides of the transformer protection box, and heat exchange windows are penetrated and opened between every two adjacent groups of heat dissipation blocks corresponding to each side of the transformer protection box. By setting the air box to work, external air is pumped into the heat dissipation plate, and the heat exchange copper tube extending into the heat dissipation plate is used to accelerate the cooling of the heat dissipation plate. And during the air exchange process, gas is discharged to the outside through a one-way air valve, so that the air flow inside the heat dissipation block is accelerated, which can better improve the heat dissipation effect of the transformer protection box. At the same time, because the heat dissipation plate is located between two adjacent voltage transformation structures and the headquarters, the temperature between each group of voltage transformation structures can be quickly reduced by the incoming heat dissipation plate, thereby better completing the cooling inside the transformer protection box, completing the protection of the voltage transformation structure, and reducing energy consumption at the same time.

The invention provides an electric pressure cooker. The electric pressure cooker comprises a cooker body and a cooker cover detachably arranged on the top of the cooker body. An air cavity is formed in the cooker cover, and an exhaust valve communicated with the cooker body is mounted in the air cavity; a first air hole for exhausting air is formed in the top of the air cavity; a second air hole and a third air hole are formed in the bottom of the air cavity; the pot body is provided with a second air channel and a third air channel, the air outlet end of the second air channel is located in the middle of the pot body, and the air outlet end of the third air channel is located at the bottom of the pot body; an air exchange mechanism and an air release mechanism are mounted at the air cavity; the ventilation mechanism changes the unblocking and blocking states of the air holes through adjustment, and only outward exhaust is achieved; the gas release mechanism can open the gas release valve through adjustment, so that high-pressure gas in the pot body is discharged; the exhaust direction of high-pressure air leakage can be adjusted and changed, different use environments are met, and the applicability is improved.

The invention relates to the technical field of intelligent construction, in particular to an ultra-low energy consumption building structure based on light materials and an intelligent construction method.The ultra-low energy consumption building structure based on the light materials comprises an outer wall and a window, the outer wall is composed of a structural layer, a heat insulation layer, a waterproof layer, a heat preservation layer, a decoration layer and a plate buckle structure and used for heat preservation, heat insulation and control of indoor and outdoor heat exchange, and the window is composed of a window frame, glass and sealing strips. The fresh air heat recovery system is used for optimizing a heat transfer path, reducing heating, refrigeration and ventilation energy consumption of a building, preventing moisture from invading a room and avoiding wall mildew and structural damage, and the fresh air heat recovery system is composed of a heat exchange system, a power system, a filtering system, a box body and a control system and is used for ventilation, air exchange, air purification and indoor environment adjustment, so that the energy consumption of an air conditioning system is reduced, and the energy consumption of the air conditioning system is reduced. The energy-saving technology of light materials is adopted, energy consumption and carbon emission are reduced, the intelligent construction scheme is adopted, the construction period is shortened, and the construction cost is reduced.

The invention discloses a water source type fresh air handling unit capable of independently controlling temperature and humidity. The condensation and dehumidification assembly is arranged in the shell, the condensation and dehumidification assembly comprises a dehumidification air duct, a water collecting tank is driven by the bottom of the dehumidification air duct, an evaporator and a condenser are installed in the dehumidification air duct in parallel, and a first fan is fixedly connected to one end of the dehumidification air duct and used for introducing indoor or outdoor air; through the design of the water pump, the sealing box and the nozzle, automatic high-pressure washing of the evaporator is achieved, the evaporator is kept clean, and the service life of the device is prolonged; when fresh air needs to be introduced, indoor and outdoor air exchange is easily achieved by switching cooperation of the air channel and the draught fan, and the freshness of the indoor air is guaranteed. A floor heating water source is used for heat exchange, and indoor temperature and humidity are adjusted by transferring indoor energy.

The utility model relates to a liquid-gas separation structure of a liquid-cooled motor, which comprises a motor end cover, the motor end cover is provided with a central hole, one or more circles of liquid-gas separation channels are arranged around the central hole, and the liquid-gas separation channels are provided with air exchange ports. The liquid-gas separation channel comprises a liquid-gas separation ring groove and a liquid blocking cover plate, and the liquid blocking cover plate covers the liquid-gas separation ring groove to form the liquid-gas separation channel; and the air exchange port is formed in the liquid-gas separation ring groove. Through the arrangement of the liquid-gas separation ring grooves and the multiple circles of liquid-gas separation ring grooves, the effect of fully separating a liquid-gas mixture is achieved, and the problem that in the prior art, cooling liquid damages the breathability of the ventilation valve is solved.

The invention provides an air bath temperature control device and method for solving the problems existing in an existing temperature control technology. The device comprises a backflow cavity, a static pressure cavity and an air bath cavity which are all provided with heat preservation layers. The backflow cavity is provided with an inner circulation fan, a refrigeration module, a heating module, an outer circulation scavenging port, an outer circulation scavenging air valve and related parts. The air bath cavity is provided with a second temperature sensor and an internal circulation scavenging port; the static pressure cavity is provided with a temperature sensor, an equal-air-volume air supply duct, a flow guide plate and a flow diffusion plate. The three chambers are connected in pairs through the inner circulation air inlet, the flow dispersing plate and the inner circulation air exchange port to form an air circulation channel. And the real-time temperature in the cavity is obtained by calculating the monitoring values of the plurality of temperature sensors through a data fusion strategy. According to the control method, different temperature control strategies are operated according to the difference value between the real-time temperature of the air bath cavity and the external temperature and the difference value between the real-time temperature of the air bath cavity and the target temperature. The method has the effects of high temperature control uniformity and reliability, high efficiency, energy conservation, accurate temperature control and the like.

The utility model relates to the technical field of power distribution cabinets, and discloses a power distribution cabinet with a fire extinguishing structure, which comprises a cabinet body, the cabinet body is hinged with a cabinet door, the inner wall of the cabinet body is fixedly connected with a mounting rack, the side wall of the cabinet body is provided with a ventilation opening, and the inner wall of the cabinet body is provided with a fire extinguishing assembly. According to the power distribution cabinet with the fire extinguishing structure, the shielding plate shields the ventilation opening, the interior and the exterior of the cabinet body are isolated, oxygen is prevented from entering through the ventilation opening, a combustion-supporting substance is provided for flame combustion, the fire extinguisher is pressed down, carbon dioxide is sprayed into the cabinet body through the nozzle, the content of carbon dioxide in the cabinet body is increased, oxygen supply in the combustion process is restrained, and the combustion efficiency is improved. And by cutting off air exchange, increasing the content of carbon dioxide and reducing comburent required by combustion, fire extinguishment in the power distribution cabinet is realized, electric shock accidents are prevented, and meanwhile, the problems of short circuit or insulation damage caused by water and the like are solved.

The utility model discloses a cabinet air conditioner which comprises an air exchange assembly, a first air duct piece, a second air duct piece, a first air inlet, a second air outlet, a second air duct piece, a first air inlet and a second air outlet, the first air duct piece is provided with a first air inlet and a first air outlet; the second air duct piece is provided with a second air inlet and a second air outlet, and a second air duct is formed between the second air inlet and the second air outlet; the first fan is arranged in the second air duct; the second fan is arranged in the first air duct; the first fan and the second fan are in transmission connection with the output shaft; the motor is arranged in one of the first fan and the second fan, one of the first fan and the second fan forms an accommodating part, and the other one forms an avoiding part; one of the first fan and the second fan is provided with a first rotation stopping part, the other one of the first fan and the second fan is provided with a second rotation stopping part, and the first rotation stopping part is matched with the second rotation stopping part. In this way, under the condition that indoor air exhaust and air suction are conducted at the same time, the occupied size of the air exchange assembly can be reduced, the cost is reduced, and the universality of the cabinet air conditioner is improved.

The utility model discloses a container planting cabin for plant cultivation, belongs to the field of planting equipment, and is used for solving the technical problems that an existing planting factory is high in manufacturing cost, large in occupied area and inconvenient to move. The container planting cabin comprises a container cabin body, a planting support, a spraying system, a ventilation system, a drainage system, a lighting system, a temperature control system and a photovoltaic power generation device, the container planting cabin can use a waste or idle standard container as a main body of a plant factory, namely the container cabin body, the manufacturing cost is reduced, and meanwhile the container planting cabin is convenient to use. The planting support, the spraying system, the ventilation system, the drainage system, the illumination system, the temperature control system and the photovoltaic power generation device are installed on the container cabin and used for plant planting, spraying irrigation, air exchange, drainage, illumination, temperature control and power supply respectively, the plant planting requirement can be met, overall movement is convenient, and the advantage of being small in occupied area is achieved.

The utility model discloses an extrusion molding device which comprises a rack, an extrusion charging barrel is arranged on the rack, the extrusion molding device further comprises a pressure reducing mechanism and an exhaust mechanism, the pressure reducing mechanism and the exhaust mechanism are arranged on the extrusion charging barrel, and the exhaust mechanism is arranged at the side end of the pressure reducing mechanism; the pressure reducing mechanism comprises a first buffering frame, a buffering pressing plate and a second buffering frame, the buffering pressing plate is slidably connected to the side wall of the inner side of the first buffering frame, a cavity of the first buffering frame and the buffering pressing plate is set as a first cavity, and a cavity, close to one side of the extrusion material barrel, of the buffering pressing plate is set as a second cavity; the exhaust mechanism comprises a ventilation container, a breathable film and a third vacuum pump, and a plurality of square grooves are formed in the extrusion charging barrel. According to the extrusion molding device, negative pressure is generated in a ventilation container through a third vacuum pump, and gas in a cavity of an extrusion charging barrel is adsorbed in cooperation with a gas-permeable film, so that the gas pressure in a machine head is reduced to a certain extent, and the countercurrent phenomenon is improved.

The invention relates to the technical field of building energy saving and comfort level optimization, in particular to a building energy consumption and comfort level target optimization method and system based on a neural network and a genetic algorithm, by adopting the method provided by the invention, the weight and bias of a BP neural network are optimized through a grey wolf algorithm (GWO), and the prediction precision is improved; on the basis of a GWOBP model, NSGA-II is used for multi-objective optimization, a Pareto optimal solution is obtained, the optimal combination of the near-zero-energy-consumption residential building envelope structure (the types and thicknesses of wall bodies and roof thermal insulation materials, the types of windows and the horizontal sunshade overhanging length) and the number of ventilation times is selected, and the number of ventilation times is calculated. The problem of multi-objective optimization of annual primary energy consumption and annual uncomfortable degree hours of the residential building is solved, and an optimal balance point between the energy consumption and the comfort degree is found.

The invention discloses an air cooling type heat exchanger structure capable of shunting and conducting heat. An air cooling type heat exchanger structure capable of shunting and conducting heat comprises a heat exchanger, and an air suspension fan is connected beside the heat exchanger, and is characterized in that a device body is arranged in the heat exchanger, a lower connecting frame is arranged below the device body, a water storage tank is fixed on the lower connecting frame, and a shunting connecting pipe is arranged beside the water storage tank; heat-conducting boxes are mounted on the surfaces of the shunting connecting pipes; an outer fixing shell is arranged in the device body. The air suspension fan is connected with the heat exchanger, during use, the water storage tank supplies water to the heat conduction box, the water flow is preheated in cooperation with the flow dividing connecting pipe, then when the water flow is sprayed to the fins, water drops with a certain temperature can be rapidly evaporated, air in the pipe bundle is cooled through cooperation of moisture and the fan, and the cooling effect of the air in the pipe bundle is improved. And redundant water flows downwards and is collected in the distilled water guide hopper to work circularly, so that the cooling speed is increased, and the air exchange efficiency is also improved.

The invention discloses a mine underground cooling and dehumidifying heat exchanger and an implementation method thereof. The condensate water heat exchange unit is additionally arranged before air enters the refrigerant heat exchange unit, the problem that cold energy of condensate water is wasted during dehumidification is solved, and the heat exchange efficiency of the refrigerant heat exchange unit is improved; the condensate water heat exchange unit and the refrigerant heat exchange unit are inclined and are arranged in a crossed mode in the inclined direction, and the turbulent flow effect of an air channel is improved. Outlets of condensate water and refrigerant fluid are in contact with air preferentially, so that countercurrent flow heat exchange is realized when the air exchanges heat with water and refrigerant, the heat exchange temperature difference is larger, and the efficiency is higher; the fin units are arranged in a bent mode, so that condensate water on the heat exchange tubes flows to a water tank below more accurately and quickly through bent grooves. A water tank is arranged below the heat exchange pipe to collect condensate water, and the loss of cooling capacity is reduced by utilizing residual cold of the condensate water through the condensate water heat exchange unit; the system is used for underground cooling and dehumidification, the underground cooling capacity is utilized to the maximum extent, the efficiency of the heat exchanger is improved, and the energy utilization rate is increased.

The invention relates to an explosion impact test technology, in particular to a solid / gas two-phase explosive wave driven aircraft ground test device and method, and the solid / gas two-phase explosive wave driven aircraft ground test device comprises an anti-static floor, a gas distribution system, a test system, a solid explosive fixed initiation device and a tunnel system, the tunnel system comprises a fixed support, a tunnel, a gas circulator, a first gas exchange pipeline and a second gas exchange pipeline, the gas distribution system comprises a high-pressure gas tank, a high-pressure methane gas cylinder and an air exchanger, and the test system comprises an electronic exploder, a pressure sensor and a flame sensor. Modulation of different overpressures and different durations can be carried out by controlling the solid charge amount, the gas concentration, the solid explosive charge amount, the solid explosive type and the like, the overpressure peak value and the duration of explosion shock waves are adjustable and controllable, and the requirement that external loads of an aircraft continuously change in different flight environments is met.

The invention discloses a computer host internal heat dissipation structure which comprises a case, a mainboard part in the case and a CPU part and a display card part on the mainboard part, a heat insulation plate is installed at the top of the case, a semiconductor chilling plate is arranged at the end of the case, the cold end of the case faces inwards, the hot end of the case faces upwards, and the cold end of the chilling plate is provided with a double-circulation shunt heat dissipation structure to guide air exchange between the interior and the exterior of the case; the heat dissipation structure is simple in design, internal heat is efficiently absorbed and discharged in a double-circulation mode, the temperature of a case is reduced, stable operation of a system is ensured, centralized cooling is achieved through optimized pipeline design, heat loss is effectively isolated through a heat preservation interlayer, the overall heat dissipation efficiency is improved, in addition, a humidity isolation structure and a waterproof breathable film provide additional waterproof guarantee, and the service life is prolonged. According to the computer cooling system, condensed water drops are prevented from flowing out in the cooling process, safe operation of the system in the environment is ensured, electronic components are prevented from being damaged, the efficiency, safety and reliability of the cooling system are jointly improved, and stable and efficient operation of the computer host in various working environments is ensured.

The utility model relates to the technical field of electromagnetic station cooling, and aims to provide an electromagnetic station micro-positive pressure control device which comprises a frequency converter chamber installed on a cable trench, and a plurality of frequency conversion control cabinets connected with cables in the cable trench are arranged in the frequency converter chamber. The two outer side walls, corresponding to the frequency conversion control cabinet, of the frequency converter chamber are each provided with a plurality of dustproof air purifying fans, the bottoms of the side walls, corresponding to the dustproof air purifying fans, of the frequency conversion control cabinet are provided with air inlet grilles, and the dustproof air purifying fans enable the interior of the chamber to be kept in a micro-positive pressure state through air inlet. According to the utility model, cold air is blown into the high-voltage frequency conversion chamber by adopting the dustproof air purifier, cold and hot air exchange can be carried out on electrical elements in the high-voltage frequency conversion chamber, and the exchanged hot air is exhausted by the exhaust pipe, so that the indoor environment is kept in a micro-positive pressure state; the stability of indoor temperature can be kept through the air conditioning unit, and stable operation of equipment is guaranteed.

The invention discloses an automatic material taking device for project lamp processing, comprising: a sleeve shell, a limiting block is fixed on the outer side of the sleeve shell, a limiting shaft is slidably arranged in the limiting block, and a second sensor is arranged at the lower end of the limiting shaft; the gas exchange pipe and the sleeve shell are integrally formed; the negative pressure clamping part is arranged in the gas exchange tube and comprises a negative pressure tube, a miniature vacuum pump fixed on the negative pressure tube and a suction cup arranged at the lower end of the negative pressure tube, and a first sensor is arranged at the lower end of the suction cup; the first cover plate and the second cover plate are arranged at the upper end of the sleeve shell, an air pressure control part is arranged between the first cover plate and the second cover plate, the air pressure control part comprises a servo motor and a rotatable control frame plate, and a ventilation hole is formed in the control frame plate. The lens is adsorbed through the multiple independent negative pressure clamping parts, and the risk of microcrack generation is effectively eliminated; by adopting a micro vacuum pump and a sucker, the adsorption stability is ensured.

The utility model provides a ship cabin air purification system which comprises a U-shaped shell, a ventilation column is fixed to the U-shaped shell, the U-shaped shell is connected with a filtering assembly, an air exchange mechanism, an air treatment assembly and a flow guide assembly, and the flow guide assembly comprises a sealing plate and a rotating block. The rotating block is provided with a clamping groove; the U-shaped shell is connected with a fixing mechanism, and the fixing mechanism comprises a fixing cylinder, a sliding rod, a first spring and a clamping block. The sealing plate is driven by the rotating block to rotate, so that the U-shaped shell is communicated or one side of the U-shaped shell is communicated with the ventilation column, the clamping block enters the clamping groove through the first spring, the rotating block is conveniently fixed, the fan blades are driven by the rotating motor to rotate, and air in a cabin flows into the U-shaped shell; air is treated and purified through the first filter plate, the second filter plate, the filter cotton and the drying cotton, the device can exchange with outside air, and air in the cabin can be circularly treated and purified.

A suspended ceiling system in one embodiment includes a grid support member and a ceiling panel supported on the member. A resiliently compressible gasket is disposed at the interface between the grid support member and peripheral edge of the panel. The gasket may be fixedly attached to the panel peripheral edge in the factory under controlled conditions before shipment to the ceiling installation site. In one embodiment, the gasket may be adhesively attached to the panel. Mounting the ceiling panel on the grid support member compresses the gasket to preferably form a minimally visible air leakage resistant seal between the air plenum space above the ceiling panels and the occupied space below. This retards air exchange between the spaces which enhances heating / cooling efficiency, noise reduction and allows formation of pressurized clean rooms.

The invention provides an atomizer and an atomizing device, and relates to the technical field of electronic atomization. The atomizer provided by the invention comprises an atomization assembly, the atomization assembly comprises a heating assembly and a first liquid storage part, and the heating assembly heats and atomizes an atomization matrix stored in the first liquid storage part to form aerosol; the suction nozzle assembly comprises an air outlet path, and the air outlet path is communicated with the heating assembly and external atmosphere airflow; the air exchange path is in air flow communication with the first liquid storage part and the air outlet path; and the liquid supplementing assembly is in fluid communication with the first liquid storage part so as to supplement the atomization assembly with the atomization matrix. The ventilation path is communicated with the air outlet path, when the air outlet path is sucked, air in the first liquid storage part is taken away at the same time to form a negative pressure cavity, the speed of the atomization matrix entering the first liquid storage part from the liquid supplementing assembly is increased, and the risk of core pasting is reduced.

The invention relates to the technical field of wind driven generators, in particular to an overheating protection wind driven generator cooler which comprises a shell, a temperature detection controller used for detecting and controlling the temperature, a heat dissipation device used for heat dissipation and an air circulation device used for air exchange. A temperature detection controller, an air inlet shell, an air inlet groove, an air inlet shell, an air inlet groove, a connecting shell, an air outlet groove, an electric fan and a flow guide plate are arranged in the shell, the bottom of the wind power generation equipment is fixedly connected with a mounting base, the mounting base is fixedly connected with the shell, and the heat dissipation device is arranged on the outer side of the wind power generation equipment. When the temperature of cooling liquid in the upper water tank is too high, an alarm can be directly given to a worker, meanwhile, the electric fan is started, the electric fan blows a large amount of air into the heat conduction pipe, the heat dissipation speed is increased, overheating damage is prevented, and the worker can have time to maintain wind power generation equipment.

The utility model provides an electronic atomization device, a power supply main body for the electronic atomization device and an atomization main body. The electronic atomization device comprises a front side and a rear side which are opposite in the thickness direction. A first liquid storage cavity; the atomizing assembly is used for receiving the liquid matrix in the first liquid storage cavity and atomizing the liquid matrix to generate aerosol; the second liquid storage cavity is used for supplementing the liquid matrix to the first liquid storage cavity; the second liquid storage cavity and the first liquid storage cavity are arranged at intervals in the longitudinal direction; the first liquid transfer channel and the second liquid transfer channel are arranged at intervals in the thickness direction; the distance between the first liquid transfer channel and the front side is larger than the distance between the second liquid transfer channel and the rear side, and the distance between the second liquid transfer channel and the front side is larger than the distance between the second liquid transfer channel and the front side. According to the electronic atomization device, when one of the first liquid delivery channel and the second liquid delivery channel delivers the liquid matrix from the second liquid storage cavity to the first liquid storage cavity, the other one can be used for air exchange to balance the pressure between the first liquid delivery channel and the second liquid delivery channel.

The utility model relates to the technical field of ships, and provides a methanol isolation cabin and a ship, which comprise a shell, a gas injection assembly and a gas exchange assembly. Wherein the methanol fuel cabin is wrapped with the shell, and the shell and a shell of the methanol fuel cabin are arranged in a spaced mode to form an isolation space; the gas injection assembly comprises a first pipeline, one end of the first pipeline is inserted into the isolation space, and inert gas can be selectively introduced into the isolation space; the ventilation assembly comprises a second pipeline and a third pipeline, the second pipeline and the third pipeline both communicate with the isolation space, the second pipeline can selectively communicate with the indoor environment and the outdoor environment of the isolation space, and the third pipeline can be selectively connected with any one of the breather valve and the first air pipe head. Through the arrangement, the use efficiency of the inert gas can be improved, and the safety of the methanol isolation cabin is improved.

The invention relates to a coating oven and a heat treatment method thereof. The coating oven comprises a heat exchange unit and a directional air supply unit, the heat exchange unit is communicated with an air exchange unit of the coating oven, the air exchange unit comprises an exhaust assembly and an air inlet assembly, the air inlet assembly is connected with an air duct of the coating oven, and the heat exchange unit is used for recycling waste heat of gas exhausted by the exhaust assembly. Fresh air guided in through the air inlet assembly is preheated to a first temperature interval and then conveyed to the air duct; the directional air supply unit communicates with the air duct, the air outlet direction of the directional air supply unit faces the base material conveying area, and the directional air supply unit is used for guiding air in the air duct to the base material conveying area. According to the scheme, heat exchange can be conducted through the temperature difference between the high-temperature exhaust air and the low-temperature fresh air of the coating oven, so that energy waste is avoided, and meanwhile energy consumption needed by fresh air heating is reduced.

The invention discloses an efficient heat dissipation high-voltage cabinet, and relates to the field of high-voltage cabinets. Through the cooperative operation of the heat dissipation fan at the bottom of the cabinet body and the ventilating fan at the top of the cabinet body, hot air and dust can quickly enter the air guide cavity through the long groove and then are exhausted through the ventilating fan, the flowing speed of air in the cabinet is increased, the heat dissipation efficiency is greatly improved, and the damage of high temperature to the high-voltage cabinet is effectively reduced through the efficient heat dissipation mode; meanwhile, the cleaning mechanism can automatically clean the filter screen, the cleaning brush can be driven by the driver to ascend, descend, rotate and transversely reciprocate, floating dust on the surface of the filter screen is cleaned in an all-dimensional mode, impurities are adsorbed, when the ventilator rotates reversely, airflow further blows off dust adsorbed by the filter screen, the filter screen is kept smooth all the time, and the stable ventilation quantity is maintained; therefore, the problems of reduced ventilation sectional area and increased airflow resistance caused by blockage of the filter screen are avoided, continuous and efficient heat dissipation of the high-voltage cabinet is ensured, frequent manual cleaning of the filter screen is not needed, and the labor cost and the maintenance time are saved.