1207 results about "Air exchange" patented technology

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 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 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 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 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.

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 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.

The invention belongs to the field of ventilation equipment, and particularly relates to a window type ventilator of a periscopic air duct, the window type ventilator comprises an air outlet duct and an air inlet duct, the air inlet duct comprises a first vertical section, the air outlet duct comprises a second vertical section, a heat exchange cavity is arranged in the first vertical section, the second vertical section is communicated with the heat exchange cavity, a heat exchange device is arranged in the heat exchange cavity, and the heat exchange device is communicated with the first vertical section. A dust removal device is further arranged in the air inlet duct and comprises two electrostatic film sets arranged at intervals, a rotating mechanism is arranged at one end of each electrostatic film set, and the rotating mechanisms can adjust the opening degree of the electrostatic film sets through rotation so as to adapt to the inlet flow of different outside air; external air exchanges heat with exhausted indoor air through the heat exchanger, then is dedusted through the dedusting device, and finally enters a room.

The utility model discloses a fresh air device for a clean workshop, and relates to the technical field of clean workshops. The fresh air device for the clean workshop comprises a box body, an air exchange mechanism used for exchanging air in the clean workshop is arranged in the box body, a filtering mechanism used for filtering circulating air is arranged in the box body, the filtering mechanism comprises a second filtering plate and a sliding plate, the second filtering plate is installed on the inner wall of the box body, and the sliding plate is installed on the inner wall of the box body. The sliding plate is slidably connected to the surface of the inner wall of the second filter plate. According to the fresh air device for the clean workshop, by arranging the filtering mechanism, the problems that when an existing fresh air exchange device is used, the cold and hot air fed into a room can be adjusted by replacing the air directions of an upper fan and a lower fan, but dust may be adsorbed to the inner side of a filtering plate when the device is used before; the problem that dust on the inner side of the filter plate is possibly blown into a room to affect the indoor environment after the fan is adjusted to rotate is solved, and the beneficial effect that the dust can be prevented from being blown into the room to affect the indoor environment is achieved.

The utility model belongs to the field of fresh air equipment, and particularly relates to edible mushroom square cabin fresh air equipment which comprises a device body, an air exchange device is arranged on the inner wall of the device body, a control device is arranged on the inner wall of the device body, and the air exchange device comprises an installation plate which is arranged on the inner wall of the device body. A support is fixedly connected to the inner wall of the mounting plate, the surface of the support is fixedly connected with the surface of a motor, the output end of the motor penetrates through the support and is fixedly connected with the surface of a box body, and the inner wall of the box body is rotationally connected with the surfaces of blades. According to the fresh air equipment for the edible mushroom square cabin, through the arranged air exchange device, when the air inlet amount needs to be changed, a threaded rod is rotated, so that the threaded rod pushes a tooth block to move, blades pushed by the tooth block rotate, and therefore the air cut-in angle of the blades to air is changed, and the air inlet amount and the air flow speed of the device main body can be effectively changed; therefore, the air inlet condition of the edible mushroom square cabin can be effectively changed.

The invention provides an existing building outer wall transformation structure, and belongs to the technical field of buildings, the existing building outer wall transformation structure comprises an inner side wall plate and an outer side wall plate, two ends of the inner side wall plate and the outer side wall plate are fixed on structural columns, a battery mounting plate is arranged between the inner side wall plate and the outer side wall plate, and a battery module is mounted on the battery mounting plate; a noise reduction assembly is arranged between the battery mounting plate and the outer side wall plate, and an air exchange part is arranged in the noise reduction assembly; the ventilation part comprises a long connecting plate, linkage assemblies are symmetrically installed on the long connecting plate, and folding air boxes are arranged in the linkage assemblies and located on the two sides of the long connecting plate correspondingly; through the linkage assembly, the first folding air box sucks air and the second folding air box exhausts air or the first folding air box exhausts air and the second folding air box sucks air, and air outside the outer side wall plate and air inside the inner side wall plate are exchanged. According to the outer wall structure, an existing building outer wall is transformed into the outer wall structure integrating the battery storage function, the noise reduction function and the ventilation function, and the functionality and practicability of the building outer wall are improved.

The invention discloses a modularized intelligent power distribution cabinet and a method, and relates to the technical field of intelligent power grid power distribution cabinets. The intelligent power distribution cabinet comprises a power distribution cabinet main body used for an intelligent power grid, and further comprises a separation frame arranged in the power distribution cabinet main body and used for dividing the internal space of the power distribution cabinet main body into a power distribution area and an adjusting area, and the side part of the separation frame is provided with a temperature and humidity sensor used for monitoring the internal temperature and humidity of the power distribution area; the air exchange unit comprises an air inlet assembly and a cleaning assembly; the adjusting unit comprises a circulating assembly and an adsorption assembly. The system has the advantages that the temperature and humidity in the power distribution area can be monitored in real time during working, accurate control over the temperature and humidity in the power distribution area can be achieved in an external circulation heat dissipation and internal circulation dehumidification temperature control mode, and the service life of a power distribution unit in the power distribution area is prolonged; and meanwhile, automatic cleaning and regeneration of a ventilation grating opening and an activated carbon adsorption plate are achieved in the heat dissipation and dehumidification process, and the intelligent degree and the automation degree are higher.

The embodiment of the invention provides an environment cleanliness measurement and control method and device, computing equipment and a storage medium, and the environment cleanliness measurement and control method comprises the steps that multiple parameters of a target environment are obtained, and the multiple parameters comprise at least two of the following parameters: the number of times of ventilation, the FFU full distribution rate, the temperature and humidity, the pressure gradient, the equipment heat dissipating capacity and the airflow organization mode; the multiple parameters are input into a cleanliness prediction model, regulation and control parameters output by the cleanliness prediction model are obtained, and the cleanliness prediction model calculates and obtains the regulation and control parameters based on the multiple parameters and the incidence relation between coupling information among the multiple parameters and the target cleanliness; and corresponding parameters in the multiple parameters are adjusted to target values based on the regulation and control parameters, so that the target environment cleanliness reaches the target cleanliness. According to the scheme, a single-factor influence rule is independently analyzed, a multi-factor coupling mechanism is researched on the basis of an orthogonal experimental method, and a complete cleanliness prediction model is constructed. And factors and coupling action mechanisms thereof can be determined more comprehensively.

The utility model discloses a vehicle door structure and a vehicle. The vehicle door structure comprises a door body, a first driving structure, a second driving structure and a third driving structure. The first driving structure, the second driving structure and the third driving structure are all connected with the door body and the vehicle body so as to jointly drive the door body to move in the front-back direction of the vehicle body along a curve track. In the process that the door body moves in the front-back direction of the vehicle body, the door body swings at the same time, and the included angle between the front position of the door body and the front-back direction of the vehicle body is larger than that between the rear position of the door body and the front-back direction of the vehicle body. The vehicle door structure comprises the door body, the first driving structure, the second driving structure and the third driving structure, and when the door of the vehicle is opened and closed, the door body moves in the front-back direction of the vehicle body and swings in the left-right direction of the vehicle body, so that more air outside the vehicle can enter the vehicle, and air exchange inside and outside the vehicle is guaranteed.

The invention discloses a vehicle monitoring method and device based on multi-modal fusion perception. The method comprises the steps that when it is monitored that a vehicle enters a locked state, the pressure change of a seat in the vehicle or the micro-motion characteristic of a detained object in the vehicle is collected; when the pressure change or the micro-motion feature meets an event triggering condition, triggering equipment in the vehicle to start, and collecting image feature information and audio feature information of the retained object; obtaining time-frequency spectrum feature information; processing the three kinds of information by using a feature fusion model to obtain joint reliability; when the joint reliability is higher than a reliability threshold, generating an emergency processing strategy; and according to the emergency processing strategy, the vehicle is triggered to conduct air exchange or ventilation operation. According to the invention, the technical problem of accidents caused by high temperature or oxygen deficit and the like in the vehicle due to the fact that a single sensing mode of a vehicle monitoring system in the related technology is difficult to effectively detect whether life bodies are retained in the vehicle in a vehicle locking state and an emergency processing strategy cannot be taken in time is solved.

The invention relates to the field of RFID high-density file cabinets, in particular to RFID high-density file management equipment which comprises a cabinet body, a control panel is installed on one side of the middle of the front end of the cabinet body, an object taking area is formed in the lower side of the middle of the front end of the cabinet body, a limiting frame is installed on the front side wall in the cabinet body, and a sealing belt is slidably connected to the inner side of the limiting frame. A main frame is installed in the middle of the interior of the cabinet body, side plates are arranged on the two sides of the main frame, a servo motor is installed on the lower portion of one side of the main frame, the driving end of the servo motor is connected with a first transmission belt set, and the servo motor is connected with a rotating shaft on the lower side through the first transmission belt set. Meanwhile, on the premise that flexible movement is guaranteed through a single notch type fetching opening, the air exchange amount can be reduced to the minimum, a more stable storage environment is provided for the archives, and the storage box is particularly suitable for storing precious archives sensitive to temperature and humidity.

The invention belongs to the technical field of container energy storage, and particularly relates to a cooling and heat preservation system for container energy storage and a control method.The cooling and heat preservation system comprises an energy storage container composed of an outer box body and an inner box body arranged in the energy storage container, box doors are hinged to the two ends of the outer box body, and vent grooves are formed in the box doors; a mounting frame is arranged in the inner box body, and a battery pack is arranged on the mounting frame; the air exchange assembly comprises air exchange boxes symmetrically arranged above the two ends of the inner box body, and air exchange fans are installed on the air exchange boxes on the two sides; the air guide assembly comprises an air guide pipe and a supporting plate; the supporting plate is fixed to the lower portion in the inner box body, and air holes are evenly distributed in the supporting plate. By arranging the ventilation assembly and the heating piece, the working mode of the equipment can be automatically switched according to the detected temperature, and if the internal temperature is higher than the upper limit threshold value, the equipment enters the heat dissipation mode; and if the internal temperature is lower than the lower limit threshold value, entering a heat preservation mode to ensure that the battery pack stably operates in a suitable temperature environment.

The invention relates to novel ventilation and air exchange equipment which comprises a ventilation and air exchange module used for achieving circulation and exchange of indoor and outdoor air and energy recovery. The natural energy recovery module is used for collecting natural energy in the natural environment and converting the natural energy into electric energy; the energy management module is connected with the natural energy recovery module and an external power grid, is used for coordinating distribution of renewable energy and power supply of the power grid to supply energy to equipment, and is provided with an energy storage unit for storing redundant electric energy generated by the natural energy recovery module; the AI dynamic air volume adjusting module is used for predicting the predicted air demand reference quantity in the future 30 minutes by analyzing historical environment data and real-time personnel distribution, and calibrating the predicted air demand reference quantity regularly in the execution process; and the intelligent control module is in communication connection with the user intelligent wearable device, collects real-time body data of the user and generates a personalized air supply strategy to control the ventilation module to supply air. The ventilation system has the low-energy-consumption and high-comfort ventilation effect.

The invention discloses a thermal power plant electric heating steel bar heat and energy storage device and a heat storage method thereof, and belongs to the technical field of heat storage, a device heat preservation layer serves as a shell of a steel bar heat storage body to play a role in heat preservation and protection, and steel bars, arranged in groups, of the steel bar heat storage body are horizontally or vertically arranged in the device heat preservation layer; the heating wire or the heating plate is horizontally or vertically arranged in a space between two adjacent reinforcing steel bars of the reinforcing steel bar heat accumulator; the circulating fan feeds air into the reinforcing steel bar heat accumulator to be heated, the heated hot air exchanges heat with feed water in the air-water heat exchanger, and the feed water is heated into hot water or industrial steam to be supplied to the outside.