128results about How to "Lower the temperature" patented technology

The invention discloses a method for intercropping a cover plant in glades of cold zones and temperate zones. In the method, smooth brome is mainly planted among tree lines with the crown density of 0.2-0.9, wherein, the distance of the smooth brome from tree stumps is 20-50cm; the specific planting method comprises seeding, weeding, applying fertilizers, cutting and the like. The smooth brome intercropped by the method has the advantages of good cold resistance and drought resistance, strong shade tolerance, perennation and the like, and is applicable to being taken as the cover plant in orchards and artificial woodlands. The smooth brome is taken as the cover plant, which can reduce water loss and soil erosion, improve the population number of natural enemies and reduce the number of pests to reduce damages of the pests to fruit trees or forest trees, and further reduce the consumption of herbicides and pesticides, lower the production cost and reduces the environmental pollution; and the harvested smooth brome is taken as pasture grass, which can also increase the income of farmers.

The invention discloses a condensing range hood, which comprises a shell, a separation screen, a centrifugal fan and a control device, wherein the shell consists of a front panel, two lateral plates, a rear plate and a top plate, the separation screen is arranged on the air inlet of the front panel and the bottom part of the front panel is provided with an oil collecting groove; the housing of the centrifugal fan is provided with oil holes; and a surrounding plate is arranged on the top plate, and the centrifugal fan is arranged in the surrounding plate. The condensing range hood is characterized by comprising a refrigerating device which is arranged in the shell. Due to the adopted structure, an oil and fume mixed gas entering the separation screen is cooled to a lower temperature, so that when the oil fume passes through the separation screen, oil is condensed and drops into the oil groove at the bottom part of the front panel and then flows into the oil collecting oil. Thus, the oil and fume separation rate is improved effectively and environmental pollution is reduced greatly.

The invention relates to a solar energy powered air blowing and self-supplied water evaporating type cooling umbrella, in particular to an umbrella which uses power generated by solar energy to drive an electric fan to force air to convect so as to accelerate the evaporation of a water absorption layer of an umbrella fabric to cool, which belongs to the field of articles for daily use. The umbrella comprises the umbrella fabric, a long rib, an umbrella support, an upper nest, a lower nest, an umbrella stem, a handle and the like and has a structural shape similar to that of the common umbrella, wherein the umbrella fabric is a water absorption layer-containing single-layer umbrella fabric, a composite umbrella fabric or a double-layer umbrella fabric and is cooled by water evaporation; the umbrella is also provided with an umbrella fabric water supply device; the top or the bottom of the umbrella is provided with a water storage bottle; both the umbrella stem and the umbrella handle are hollow; a cavity stores water; the water is gradually diffused around from the central part of the water absorption layer of the umbrella fabric to the whole umbrella fabric; the electric fan is arranged between two layers of umbrella fabrics or in a space enclosed by the umbrella fabric, the long rib and the umbrella support of the umbrella to speed up air convection; the umbrella is also provided with an electric fan power supply device, namely a power supply which consists of solar energy battery panels and is used for supplying power to the electric fan; and a power switch can be automatically controlled by unfolding or folding the umbrella.

The invention relates to a process for controlling and improving die steel continuous casting thick slab internal quality. By means of control of water amount of a vertical section, a bent section and a straightening section of a continuous casting machine, the water flow of the vertical section is controlled between 12m3 / h and 19m3 / h, the inner arc water flow of the bent section is between 18m3 / h and 26m3 / h, the outer arc water flow of the bent section is between 20m3 / h and 28m3 / h, the inner arc water flow of the straightening section ranges from 4m3 / h to 7m3 / h, and the outer arc water flow of the straightening section ranges from 6m3 / h to 10m3 / h. Through the control of the inner arc water flow and the outer arc water flow of the vertical section and the inner arc water flow and the outer arc water flow of the bent section, the return temperature in the casting blank cooling process is lowered, and cracks generated due to thermal stress are reduced or eliminated; the blank temperature at a straightening interval is controlled to range from 900 DEG C to 1100 DEG C, and cracks generated due to straightening force are reduced or eliminated; sector-shaped section pressing is carried out close to a condensation ending point so that pressing force can be transmitted to the casting blank center, and the problems of thick slab center segregation, center loosening and shrinkage are controlled and solved.

The invention discloses a processing method of protecting SOD of concentrated rosa roxburghii juice. The processing method comprises the following steps of refrigerating rosa roxburghii fruits, performing low-temperature cleaning, performing low-temperature oxygen-separation breaking and squeezing, performing reverse osmosis membrane concentration of pre-microfiltration, and performing sealing and cold storage, wherein the step of low-temperature oxygen-separation breaking and squeezing is used for leading inert gas to a breaking machine and a squeezing machine set for separating oxygen and maintaining positive pressure environment, so that the breaking and squeezing process is in a low-temperature oxygen-separation state; the step of reverse osmosis membrane concentration of pre-microfiltration is used for performing membrane concentration after compressed fruit juice is subjected to multi-level filtration (including microfiltration), wherein the concentration process is in the low-temperature oxygen-separation state. In an entire production course of the processing method, any foreign chemicals (free from pollution) are added, steam is not needed in the production course, and the electricity consumption is low; and drained waste water drained by cleaning fruits, and rosa roxburghii dry residues can be cycled in a green ecological manner. The processing method disclosed by the invention is an environmentally-friendly energy saving technique, and is particularly suitable for being used in Guizhou regions with good ecology and low temperature.

A middle-and low-pressure water atomizing nozzle with multi-hole liquid-film jet atomizing tray is composed of a nozzle holder with central hole and cavity and a nozzle body on said nozzle holder. A ring of jet holes are made on the hole wall of nozzle holder and / or the external wall of the cyclone chamber in nozzle body. The semi-umbrella shaped annular curved surface and the annular flat surface or inclined surface on the external wall of nozzle holder or nozzle body constitute a notch ring. Said annular curved surface forms an atomizing tray.

The invention relates to a purple heart pitaya planting and a cultivating method. The method comprises the steps that 1, seeding stage management: at the early stage of characterization , one time of watering is conducted every 2 to 3 days, and timely drainage is conducted in rainy season; 2, at the initial planting period, emergency crops can be interplanted in a new orchard. Sod culture is adopted to the cultivating management once the pediciel of the pitaya climbs to the top of a pillar. Ridge plowing and root covering are conducted according to the root baring situation after raining, and ridge plowing to protect seeding is conducted in winter in the new orchard; 3, scientific fertilizer and water index; 4, pruning; 5, flower and fruit thinning and fruit bagging; 6, pest control: priority is given to the agricultural, physical and biological control, and chemical control is supplemented; 7, reaping and marketing timely. According to the purple heart pitaya planting and cultivating method, three-dimensional management is adopted into the planting of the purple heart pitaya, the production management is convenient, the taste of the purple heart pitaya is good, and the yield is high.

The invention discloses a fine-water spraying head with double-ring crack sprayer, which comprises the following parts: sprayer seat, sprayer bulk and ring-shaped cavity between sprayer seat and sprayer bulk, wherein the ring-shaped cavity connects inlet of inner cavity of sprayer seat through channel, the little diameter part of sprayer bulk is set in the inner cavity of sprayer seat, the big diameter end of sprayer bulk is set out of inner cavity of sprayer head with big diameter end next to and baffle outlet of inner cavity of sprayer seat, the hollow double-ring crack is formed between big diameter end ring and inner cavity wall end of sprayer seat, the little diameter part of double-ring crack is inner-ring crack, which connects ring-shaped cavity, the big diameter part of double-ring crack is external ring crack, which lies between periphery of sprayer seat and big diameter end to connect atmosphere to form double-ring crack sprayer.

The invention provides a hen house environment control system. The system comprises a hen house, a humidity control device connected to the top wall of the hen house through a first bracket, a temperature control device connected to the top wall of the hen house through a second bracket, an exhaust fan penetrating though the side wall of the hen house, a heating plate connected with the inner sidewall of the hen house and a motor connected to the top wall of the hen house through a third bracket. The system overcomes the defects of the prior art, has reasonable design and compact structure, monitors the environment in the hen house in real time through the humidity control device and the temperature control device, provides corresponding measures to reduce the manual operation, and improves the intelligent effect. Through the structural combination of the heating plate, a humidifying and cooling device and the exhaust fan, corresponding adjustment can be made according to the environment in the hen house, so that the environment in the hen house is balanced and suitable for poultry growth.

The invention discloses a duckweed cultivation method and aims to provide a measure which is suitable for keeping vigorous growth of duckweeds in winter. The technical scheme of the duckweed cultivation method is that an anti-drop film is covered on a cultivation tank. The duckweed cultivation method disclosed by the invention is operated according to the following steps of: (1) selecting the cultivation tank; (2) building a vinyl house on the cultivation tank and covering an anti-drop film on the vinyl house; (3) cultivating the duckweeds; and (4) fishing the piled duckweeds. The technical scheme adopted by the invention is simple and convenient to operate; and the output of the duckweeds cultivated by the technical scheme is high so as to provide a lot of green fodders for poultry and livestock in winter.

The invention discloses an efficient planting device for agricultural planting. The device comprises a greenhouse body and a greenhouse ceiling, water collection tanks are arranged at the tops of theouter sides of both the left side and the right side of the greenhouse body, filtering nets are arranged at the tops of the water collection tanks, the bottoms of the water collection tanks are both connected with water accumulation boxes through lower water pipes, the water accumulation boxes at the left side and the right side are both connected with spraying pipes located at the upper sides inside the greenhouse body through connection water pipes, and water pumping pumps are connected to the bottoms of the connection water pipes. According to the efficient planting device for agriculturalplanting, rainwater can be effectively collected and utilized to conduct irrigation, the using cost of the greenhouse is lowered, the effects of conducting ventilation and maintaining the indoor temperature and humidity to be stable can be achieved, the planting effect is improved, a fan is arranged in the channel, through a controller, a walking mechanism is controlled to move, a sunshade screenis driven to be unfolded, the temperature inside the greenhouse is lowered, and the greenhouse does not need to be manually covered with the sunshade screen, besides, salt for melting snow can be uniformly sprayed to the greenhouse ceiling in the circumferential direction, the spraying effect is good, the coverage area is large, and the snow melting effect is good.

The invention provides a heat collection and storage greenhouse and relates to the technical field of energy economization of greenhouses. The heat collection and storage greenhouse comprises a greenhouse body, a heat collection device and a heat storage device, wherein the greenhouse body at least comprises a roof component, a slope bottom supporting component and a spine component; the heat collection device is arranged on the spine component; the roof component is connected between the heat collection device and the slope bottom supporting component; the heat storage device is arranged on the spine component and / or is arranged under the greenhouse body; the heat storage device is connected with the heat collection device through a pipeline; a driving device used for driving water to flow is arranged on the pipeline. Through the heat collection and storage greenhouse, the problems that the heat collection structure of the heat storage greenhouse is poor in heat collection effect, themulti-span greenhouse is poor in lighting performance after the greenhouses are connected, and more space of the multi-span greenhouse is occupied in the prior art are alleviated.

The invention discloses a plant cultivating method that the plant has abilities of anti-drought and / or postponing their growth in adverse circumstances. The method enhances the CPK11 expression level in the targeted plant and gets the plant with the abilities of anti-drought and / or postponing their growth in adverse circumstances. The method has important application value in crop genetic improvement and agriculture development, in particular to the practical value of enhancing the anti-drought ability of the grain crops and the economic crops.

The present invention relates to a 1-3.5T intermittent buffered lifting hydraulic cylinder with cylinder bottom non-return valve. It is an improvement on existent lifting hydraulic cylinder structure, and its improvement lies in that on the radial direction of oil groove side of cylinder bottom a small through hole is cut, said small through hole and shaft are connected with steel bal hole and threaded hole, and on the cylinder bottom a by-pass oil groove is set, and said by-pass oil groove is correspondent to the piston bottom portion, and in the steel ball hole a steel ball is mounted.

The invention discloses a method for reducing corner cracks of a small low-carbon boron-containing steel square billet. The method includes primary cooling and secondary cooling. A reasonable primary cooling water amount and secondary cooling water amount governing equation during continuous casting is given out on the basis that the crystallizer water inlet temperature, season or environmental temperature change influences are fully considered, the proper secondary cooling water distribution ratio of all areas is adjusted on this basis, the first area accounts for 35%-40%, the intermediate area apart from the first area and the tail area accounts for 52%-60%, the tail area accounts for 5%-8%, and therefore the corner temperature of a casting blank at a bent straightened area can be controlled more stably, and a third brittleness temperature interval of low-carbon boron-containing steel is reasonably evaded. By the adoption of the method, through optimized control over a continuous casting cooling technology of the small low-carbon boron-containing steel square billet, the corner crack defect of the casting blank can be greatly reduced, the crack occurrence rate is lowered to be within 0.5% from 6.67% before, surface quality of the casting blank can be stably controlled, and the quality of final products is improved.

The invention provides a method of culturing finless eel using a floating bed net cage for shading vegetables. The method comprises the steps of 1, pond selection; 2, cage fabrication; 3, cultivation and management technology of the floating bed in the net cage; 4, eel species injection; 5, bait feeding and culturing management. The method of culturing finless eel cage has the effects of shading from the sun and screening from the sun, lowering the temperature, and increasing the survival rate of eel and purifying water for eels cultured in net cages.

The invention discloses a horticultural composite phase change pipe and a preparation method thereof; the prepared horticultural composite phase change pipe takes inorganic phase change material as the main material and is sealed in a polyethylene pipe; and the inorganic phase change material is prepared from the inorganic phase change material in percentage by mass: 8.8 to 10.6 percent of Na2SO4, 72 to 74 percent of Na2HPO4.12H2O, 1.5 to 3.5 percent of CaC12, 1 percent of Na2B4O7.10H2O, 0 to 1 percent of CMC and the balance water, and the sum of the percentage of the inorganic phase change material is 100 percent. The preparation method comprises the following steps that: the inorganic phase change material is prepared and mixed according to different phase change temperature and latent heat requirements; and then the mixed inorganic phase change main material is inorganically heated to the temperature which exceeds the phase change temperature, and then the material is changed into liquid state; the liquid material becomes saturated solution; liquid filling equipment seals the saturated solution with the polyethylene pipe; and when in sealing, the actual pipe diameter and the length of sealing is adjusted according to the bearing capability of different building walls and the required heat load, and the horticultural composite phase change pipe is prepared.

The invention provides a picriafel-terrae lour seed germination method. The picriafel-terrae lour seed germination method comprises the following steps: soaking picriafel-terrae lour seeds in a gibberellin solution; and covering with a white thin film sun-shading net to warm and keep moisture, so that the germination time of the picriafel-terrae lour seeds can be reduced, and the germination rate of the seeds can be improved. The picriafel-terrae lour seed germination method is simple, easy and feasible and has the high seed germination rate.

The invention discloses a hard wood cutting seedling culture method of Tamarix taklamakanensis. The method comprises the following steps of (1) cutting collection and pruning; (2) cutting rooting induction; (3) cutting forcing cultivation in bootbed; (4) cutting seedling culture in a container; (5) rooting seedling field transplantation. According to the hard wood cutting seedling culture method of Tamarix taklamakanensis, appropriate rooting powder is selected for rooting induction and cutting forcing treatment in bootbed, so that healing and rooting of the bases of cuttings are effectively promoted; moreover, through rational control over the cutting forcing temperature and time, environmental conditions of low air temperature and high earth temperature are created for the cuttings of Tamarix taklamakanensis; compared with a traditional cutting method of Tamarix taklamakanensis, the survival rate of the cuttings is increased by 10 percent; by means of the hard wood cutting method ofTamarix taklamakanensis, the growth is fast, the survival rate is high, the seedling culture period is obviously shortened, and the cutting reproduction efficiency and the cutting seedling culture survival rate are obviously improved; the pseudo alive phenomenon that the cuttings of Tamarix taklamakanensis sprout is effectively controlled, and the problems that by means of cutting of the cuttingsof Tamarix taklamakanensis, rooting is difficult and the reproduction coefficient is low are solved.

The invention discloses a foamed aluminum liner power distribution cabinet, belongs to the technical field of power distribution cabinets, and aims to provide an epoxy powder power distribution cabinet which has a good heat dissipation effect, is scratch-resistant and has good insulating performance. The technical scheme is as follows: the power distribution cabinet comprises a cabinet body with heat dissipation ports; the cabinet body has a front door and a rear door, the front door of the cabinet body is a side-opening door, and the rear door of the cabinet body is a center-opening door; the inner walls of the cabinet body, the front door and the rear door are provided with a foamed aluminum layer; the inside of the cabinet body is provided with a temperature sensor, a temperature relay and heat dissipation fans which are electrically connected in series; the temperature sensor is arranged corresponding to an air switch in the cabinet body; and the heat dissipation fans are mounted at the heat dissipation ports. The technical scheme can be widely used in power distribution cabinets.

The invention discloses an areca catechu controlled-release fertilizer and a preparation method thereof. The controlled-release fertilizer is prepared by compounding ingredients, such as reactive film forming and enveloping urea with enveloping quantity of 4%and enveloping quantity of 5% (at different nutrient release periods), urea, diammonium phosphate, potassium sulfate and borax. The special nutrition-synchronized controlled-release fertilizer for areca catechu, disclosed by the invention, is compounded according to the characteristics, nutrient demand law and required nutrient elements of the normal growth, development and cultivation of areca catechu, nutrients required by areca catechu can be supplied continuously and synchronously, the needs of three key elements, namely nitrogen, phosphorus and potassium, and a nutrient element, namely boron, in a yearly growth period of areca catechu are met, and the fertility is more lasting, so that the plant body resistance is effectively adjusted, the diseases are reduced, the yield is increased, the quality of crops is greatly improved, and the mouth feel of areca catechu is good; the problem of high cost caused by the fact that the controlled-release fertilizer is used alone is solved; and meanwhile, the fertilization times can be decreased by 1-2 times, so that the labor intensity is reduced.

The invention relates to a method for high-efficiency potato cross breeding with florescence prolonging and fructification promoting, which belongs to the technical field of potato breeding. The method solves the technical problems of short potato florescence, less blooming, and low fructification percentage. The method comprises the following steps: 1) arranging an overhead net house, and arranging sprinkling equipment; 2) accelerating germination of the potato; 3) sowing the potato and making frames; 4) performing artificial cutting on stem tubers; 5) collecting pollen and performing emasculation; 6) performing pollination and collecting fruits; and 7) taking seeds and performing storage. The method provides more convenient, faster and effective cross breeding work for the potato, the florescence of the early mature potato can achieve 25-30 days, the florescence of the later mature potato is 30-65 days, the flowering amount is greatly increased, the labor injury is reduced, and the work efficiency is greatly increased. The method is used for high-efficiency potato cross breeding with florescence prolonging and fructification promoting.

The invention relates to an assembled heat-insulation and moisture-retention pot desert greening technology, which is characterized in that pot bodies with the functions of cooling, heat insulation, sand fixing, moisture retention and the like are covered in the desert, a few heavy objects (such as fine sand) are added into each heat-insulation and moisture-retention pot, and the heat-insulation and moisture-retention pots are pressed and fixed on the sand bed surface by virtue of the weight of the heavy objects; and at the same time, one or more small pores are opened at the edge of each pot, and after different pots are assembled, the assembled small pores provide plant growth spaces. According to the invention, the heat-insulation and moisture-retention pots adopt an assembled manner, can be prepared from organic polymer materials by foaming treatment, have a heat insulation function and can be repeatedly used. By adopting the technology for desert greening, the solar absorption by the sand bed on the terrene is extremely reduced, thus the surface layer temperature of the desert, the ground atmospheric temperature and the like are reduced; and the soil layer temperature on the terrene is increased at nighttime or in winter, thus the day and night temperature difference of the shallow strata is reduced.

The invention relates to a power distribution box, particularly to the power distribution box with a heat dissipation function and convenient and quick to mount, and aims to provide the power distribution box with the heat dissipation function and convenient and quick to mount by solving the technical problems. For solving the technical problems, the invention provides the power distribution box with the heat dissipation function and convenient and quick to mount. The power distribution box comprises a box body, a first screen plate, a second screen plate, an air blowing apparatus, a bracket and the like; the first screen plate is embedded in the bottom of the box body; the second screen plate is embedded in the top of the box body; the air blowing apparatus is arranged on the lower part of the interior of the box body; the bracket is arranged on the top of the air blowing apparatus; a mounting frame is arranged at the upper end of the bracket; an opening, which is positioned just in the right side of the mounting frame, is formed in the right wall of the box body; and a clamping apparatus is arranged on the left wall of the box body. The power distribution box achieves the effects of quick mounting speed, convenience in mounting and high heat dissipation; a first baffle and second baffle can baffle rain water, so that rainwater can be prevented from entering the box body; by virtue of the clamping apparatus, the power distribution box can be mounted and fixed more conveniently and quickly by people; and in addition, the power distribution box is safe and stable and high in generalizability.

The invention relates to a main transformer radiator intelligent frequency conversion fan with a photovoltaic conversion function and a using method thereof. The main transformer radiator intelligent frequency conversion fan comprises a main transformer body and an oil flow radiator communicated with the main transformer body. The main transformer radiator intelligent frequency conversion fan with the photovoltaic conversion function is characterized in that the main transformer radiator intelligent frequency conversion fan connected with a photovoltaic conversion system is mounted on the oil flow radiator, the main transformer radiator intelligent frequency conversion fan is connected with a control module, the control module is used for automatically starting and stopping the main transformer radiator intelligent frequency conversion fan through the temperature tested by an on-line oil temperature thermoscope connected to the main transformer body according to a preset oil temperature value. The main transformer radiator intelligent frequency conversion fan and the using method thereof are reasonable in design, capable of achieving energy saving and environmental protection, and capable of effectively solving the radiation problem under long-time working of the main transformer body.

Disclosed is a protective cultivation method of young tea trees of Ruixue No.1 tea. The protective cultivation method includes steps: before spring tea in a new tea garden planted in autumn and winter germinates and unfolds in the next year, covering a small arch shed with a thin film and a shade net; during planting, for a new tea garden planted before spring, directly covering a small arch shed with a shade net; uncovering the thin film at the later stage of germinating and unfolding of the spring tea, and uncovering the shade net on early June; applying quick-acting nitrogen fertilizer for one time from middle April to early May, and then performing conventional tea garden management of the current year; if the trees develop not well enough in the current year, applying the quick-acting nitrogen fertilizer for one time before spring tea germinates and unfolds of the next year; in spring of the next year, when the trees develop well in the previous year, fully plucking over fish leaves of spring tea, removing whitened shoots, and performing shaping and trimming after spring; when the trees develops not well enough in the previous year, performing shaping and trimming before spring, covering the small arch shed with the thin film and the shade net to promote spring shoots to return green, uncovering the thin film and the shade net like the previous year, and performing conventional tea garden management. By the protective cultivation method, whitening of shoots is controlled, and the shoots are prevented from physiological damage like sunlight burning.

The invention discloses a cooling and dedusting bus shelter. The cooling and dedusting bus shelter structurally comprises stand columns, a sun shade, a display screen, lamps, an advertising box, seats, a stop board station and a spray dust settling and cooling device. The cooling and dedusting bus shelter is provided with the spray dust settling and cooling device, a main body is started by a switch, a pump on the main body is enabled to operate to convey a liquid in a water tank to a spray cylinder from inside of a connecting rod, the spray cylinder sprays mixed airflow containing fine watermist from the liquid into the shelter remotely, suspended particle dust in the air in the shelter is wetted and bonded with one another to fall to the ground, temperature in the shelter is reduced, the temperature when a citizen waits in the bus shelter can be reduced effectively in hot days, air fly dust in the bus shelter can be removed, a cool, comfortable and environment-friendly bus waiting environment is provided for the bus waiting citizen, and the bus shelter further has the characteristics of good cooling and dedusting effect and high cooling efficiency.

The invention discloses a vehicle automatic control system, which comprises a skylight, an actuator, a sunlight sensor and a controller, wherein the actuator is used for driving the skylight, and the controller is used for receiving the sunlight intensity sensed by the sunlight sensor and controlling the action of the actuator. When the sunlight intensity is greater than the first threshold value, the controller is used for controlling the actuator to drive the skylight to open with a certain angle. When the sunlight intensity is smaller than the second threshold value, the controller is used for controlling the actuator to drive the skylight to close, wherein the first threshold value is greater than the second threshold value. Therefore, the function of automatically opening and closing the vehicle skylight is realized, and the purposes of carriage ventilation and carriage temperature lowering are realized.

The invention discloses a computer dustproof case with high heat dissipation performance and relates to the field of design and manufacture of computer hardware. The computer dustproof case comprises a case body, wherein the left and right opposite side walls of the case body are set as a gas outlet side plate and a gas inlet side plate respectively; a dustproof net layer is disposed between the gas inlet side plate and the case body; multiple refrigeration plates are inlaid inside the gas inlet side plate and the dustproof net layer; clearance is formed between the refrigeration plates; and the gas outlet side plate comprises a through hole plate, and an exhaust fan is disposed on the inner side of the through hole plate. According to the invention, dustproof effects are enhanced, and heat transmission effects are ensured; and the disposed dustproof net layer is equivalent to a blocking layer disposed between a host and external environments, so that noise is reduced, and the problem of large noise of a computer host in the prior art can be solved.

The invention discloses a passive solar room with a vertical ventilation chimney in a living room, and relates to the technical field of building structures. The passive solar room comprises a room body, a sloping roof with a transparent south surface, a windproof foyer, an additional sunlight room and the vertical ventilation chimney, wherein the room body is a building body in the north-south direction, the roof at the top of the room body is the sloping roof with the transparent south surface, the windproof foyer is arranged in the middle of the room body, the roof of the room body is provided with the vertical ventilation chimney, and the room body is internally provided with the additional sunlight room. The passive solar room with the vertical ventilation chimney in the living room has the functions of heat preservation, heat insulation, ventilation and the like.