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109results about How to "Efficient ventilation" patented technology

Openable-closeable ventilation device matched with urban rail transit platform safety door

The invention discloses an openable-closeable ventilation device matched with an urban rail transit platform safety door. The openable-closeable ventilation device is arranged on the upper part of the platform safety door to form a closing state and a ventilating state for a platform rail interval. In order to improve a ventilation effect, the openable-closeable ventilation device is arranged in the door body of a platform fixed door. The openable-closeable ventilation device comprises a plurality of strip-shaped ventilation openings; a plurality of electric air valves are arranged in the ventilation openings; and ventilation shutters are arranged on the outside surfaces of the ventilation openings. The openable-closable ventilation device matched with the urban rail transit platform safety door has the advantages that: when air conditioners are used in summer, the closing state for the platform rail interval is formed by closing the electric air valves; and in non-air-conditioning seasons, the ventilating state is formed by opening the electric air valves. Therefore, by using the openable-closeable ventilation device, an effect of saving energy can be achieved in both air-conditioning seasons and non-air-conditioning seasons; the openable-closeable ventilation device is not only suitable to be used in the north, but also suitable to be used in the south; and a remarkable effect of saving the energy can be achieved when the openable-closeable ventilation device is used together with the urban rail transit platform door.
Owner:李国庆 +1

Outer-layer variable heat dissipation structure of transformer

The invention discloses an outer-layer variable heat dissipation structure of a transformer, and belongs to the technical field of transformer equipment. Composite variable cooling fins can be innovatively introduced into the transformer body. The deformable shape-change heat exchange layer is attached to the heat dissipation substrate for rapid heat conduction. An external water-absorbing water-based ball is used as a cold source. A thermal extension trigger cylinder arranged in the heat dissipation substrate generates an expansion phenomenon after sensing heat. On one hand, the water-based balls are extruded to release water, and on the other hand, the expansion action of the thermal extension trigger cylinder is continued, the water-based ball is also used for pulling the shape-change heat exchange layer to deform to form a shape similar to a tent, and performing second cooperation with the thermal extension trigger cylinder. The outer surface of the heat dissipation substrate can be exposed, water can absorb heat conveniently to achieve evaporation, meanwhile, the shape change heat exchange layer wraps the heat extension trigger cylinder and then absorbs heat away, the heat extension trigger cylinder restores to conduct the next time of variable heat dissipation, and therefore the heat dissipation effect of the transformer is remarkably improved.
Owner:河南龙键电力装备有限公司

Automobile ventilation control device and control method of automobile ventilation control device

The invention relates to an automobile ventilation control device and a control method of the automobile ventilation control device. The automobile ventilation control device comprises an air conditioner, wherein the air conditioner is arranged in an automobile, an air conditioner control panel used for controlling the air conditioner is arranged on the air conditioner, a filter element is arranged in the air conditioner, the automobile ventilation control device also comprises an on-line particle monitor, a server, an intelligent communication device and a ventilation controller in mutual connection, wherein the on-line particle monitor is connected with the server through a wireless network, the server and the intelligent communication device are in interactive connection through a wireless broadband network, the intelligent communication device is connected with the ventilation controller in a wireless mode, and the ventilation controller is connected with the air conditioner control panel through a cable wire. The automobile ventilation control device and the control method of the automobile ventilation control device have the advantages that ventilation equipment such as the air conditioner in an automobile can be timely and automatically switched according to the air quality inside and outside the automobile, the efficient ventilation and air change are realized, and the effect of preventing outside severe air from polluting the inside of the automobile is fully guaranteed, so that fresh air enters a cab, the air in the automobile keeps clean and healthy, the real-time guarantee on the breathing health of people is realized, and the automobile ventilation control device and the control method are suitable to be popularized and used in relevant transportation equipment.
Owner:北京每日互联科技有限公司

Plant air purification device

InactiveCN107917466ASolve the problem that the dirty air in the factory building cannot be discharged out of the factory building after purificationSolve the problem of not being able to efficiently ventilate the air in the factory buildingCombination devicesMechanical apparatusEngineeringAir purification
The invention discloses a plant air purification device and relates to the technical field of plant air purification. According to the plant air purification device, a box body is fixedly connected ontwo sides of an inner cavity of a plant body through moving blocks, an air purification box is fixedly connected in the middle of the top of the box body; dust suction boxes are fixedly connected ontwo sides of the air purification box and located at the top of the box body, the bottoms of inner cavities of the dust suction boxes are fixedly connected with exhaust fans, and air outlets of the exhaust fans penetrate through the side walls, close to the air purification box, of the dust suction boxes and the side walls, close to the dust suction boxes, of the air purification box sequentiallyand extend into the inner cavity of the air purification box. Air inside the plant body can be purified continuously during movement of a dust suction device, and clean air can be kept in all positions inside the plant body, so that the problem that contaminated air in a plant cannot be purified and then discharged out of the plant by the aid of an existing plant air purification device is solved.
Owner:薛春红

Metal plate cutting device for elevator production and processing

The invention discloses a metal plate cutting device for elevator production and processing. The metal plate cutting device comprises a transmission part, a cutting part and a hold-down part, wherein the transmission part comprises a power mechanism and a conveyor belt; the power mechanism is used for driving the conveyor belt to rotate; the cutting part comprises N cutting mechanisms, wherein N is an integer; the N cutting mechanisms are sequentially distributed in a conveying direction of the conveyor belt; each cutting mechanism comprises a sliding rod, a welding gun assembly, a first drive unit, a positioning plate, a speed sensor, a distance sensor and a controller; each sliding rod is arranged above the conveyor belt, and is horizontally arranged; the length direction of the sliding rod is perpendicular to the conveying direction of the conveyor belt; each welding gun assembly can be movably mounted on each sliding rod; the gun head of each welding gun assembly is downwards arranged; each welding gun assembly and each first drive unit are in communication connection with each controller; each first drive unit drives each welding gun assembly to move in a length direction of each sliding rod; and each positioning plate is arranged at one side of the conveyor belt. The metal plate cutting device is good in metal plate cutting effect, is high in cutting precision and is convenient to use.
Owner:安徽省恒胜机电工程股份有限公司

Hinged type sliding door system

The present invention relates to a hinged type sliding door system which can make a plurality of doors aligned on the same line in conjunction with a rail having a uniform structure rotate in an outward/inward direction to be completely open or closed. A hinged type sliding door system of the present invention comprises vertically parallel, spaced-apart rails, and a plurality of doors aligned on the rail to slide along one side, wherein the rail has a dual structure of a preset depth formed at the central region in the longitudinal direction, the dual structure guide groove having a lateral surface being sawtoothed to a preset height so as to form a coupling portion and a lock portion, and wherein the door includes: a moving member provided to the bottom to facilitate the movement of the door on the rail; a binding member having an outer rim in the form of a sprocket, the binding member being insertedly coupled into the coupling portion of the guide groove in the rail to be rotatable with respect to a rotation axis; and a locking member vertically moving to enter or leave from the locking portion of the guide groove in the rail to control deviation from the rail as well as rotation, the door being completely opened or closed by rotating with respect to the rotation axis of the bonding member positioned on one side of the door.
Owner:具齐宣

Ventilation mattress

The invention relates to the field of an article for daily life, in particular to a ventilation mattress. The ventilation mattress comprises a mattress core and a mattress sleeve and is characterized in that at least one side on the mattress core is provided with a thick air guide pipe; the far end of the air guide pipe is sealed; a plurality of fine soft air releasing pipes with a plurality of uniformly distributed air holes are communicated with the air guide pipe and are in latticed distribution in the mattress core; an air inlet is formed in the non-sealed end of the air guide pipe and is controlled to be connected with a peripheral gas storage device or a compression fan through being controlled by an air inlet valve through an air inlet pipe; the mattress sleeve made of good-ventilation-performance materials covers the pad core. In the use process, the air inlet valve is opened, compressed air enters the ventilation mattress from the air guide pipe; a small airflow layer is generated on the mattress. The ventilation mattress has the advantages that ventilation structures are arranged on the mattress core in a way of being tightly attached to the lower side of the mattress sleeve; the air inflation into the mattress is realized through the movable air guide pipe and the air releasing pipes, so that the small air flow layer is generated on the mattress; the goal of effective ventilation and drying is achieved.
Owner:张凤梅

Non-pneumatic laryngeal mask with imbibition function

The invention relates to a non-pneumatic laryngeal mask with an imbibition function. The existing laryngeal mask cannot discharge mucous secretion on the laryngeal part of pharynx in time, and a vent hole of the laryngeal mask is likely to block by epiglottis. The non-pneumatic laryngeal mask with the imbibition function is characterized by also comprising a connector and a flexible rubber capsule, wherein an inflating cavity is formed between the flexible rubber capsule and a mask body, the mask body is provided with a plurality of suction holes, a ventilation pipe is internally provided with a ventilation passage, a feed drain passage and a suction passage, the ventilation passage is communicated with the inflating cavity, the feed drain passage penetrates through the ventilation pipe and the cover body to be connected with a feed hole on the front end of the mask body, the suction hole is communicated with the suction passage, the connector is provided with an inflating opening, a feed opening and a suction opening, the inflating opening is communicated with the ventilation passage, the feed opening is communicated with the feed drain passage, and the suction opening is communicated with the suction passage. The non-pneumatic laryngeal mask is simple in structure, reasonable in design and good in sealing performance; the mucus and coagula on the laryngeal part of pharynx can be discharged in time, the vent hole is unlikely to block, and the injury on a patient is little.
Owner:海盐康源医疗器械有限公司

Solar ventilation device cool in summer and warm in winter

PendingCN106839244AEfficient ventilationEfficient warming in winter and cooling in summerSolar heating energyDucting arrangementsFloor slabAir door
The invention relates to the technical field of building ventilation structures, in particular to a solar ventilation device cool in summer and warm in winter. The solar ventilation device cool in summer and warm in winter comprises a solar air duct, an exhaust air duct and a circulating air duct; a heat collecting plate and heat radiation wires are included in the solar air duct; the heat radiation wires are distributed on the heat collecting plate; the solar air duct has a certain inclination angle with a horizontal floor slab; an inlet of the solar air duct is connected with an indoor first ventilation opening; an outlet of the solar air duct is connected with the exhaust air duct and the circulating air duct; the exhaust air duct is connected with an outdoor ventilation; the circulating air duct is connected with an indoor second ventilation opening; an air door is arranged between the exhaust air duct and the circulating air duct; by adjusting the angle of the air door, the exhaust air duct and the circulating air duct are switched. Compared with the prior art, the solar ventilation device provided by the invention has the advantages that solar irradiation quantity absorbed by the solar heat collecting plate is increased by using a single structure, the air heat conduction effect is enhanced, ventilation is accelerated, and an effect of being cool in summer and warm in winter is achieved.
Owner:汕头市百川智能科技有限公司

Method for detecting grain storage state

ActiveCN106980332AGrain storage safetyHigh quality grain storageTemperatue controlCapacitanceGrain storage
The invention discloses a method for detecting a grain storage state. The method comprises the following steps: (1) measuring grain capacitance in a preset space; placing a temperature sensor at the center of the preset space and measuring the temperature of the temperature sensor itself through the temperature sensor; and (2) in an initial state, the grain moisture in the preset space is normal, the internal temperature and the external temperature of the grain granules of the grain in the preset space are the same, and the grain and temperature sensor in the preset space reach a heat balance; determining that the grain in the preset space generates a heated phenomenon when the temperature measured by the temperature sensor is not obviously changed but the measured grain capacitance in the preset space is obviously increased compared with the that in the initial state; and determining that the grain in the preset space generates a condensation phenomenon when the temperature measured by the temperature sensor is not obviously changed but the measured grain capacitance in the preset space is remarkably increased compared with the that in the initial state. The method can quickly and accurately analyze and determine whether the internal temperature and the external temperature of the grain granules are consistent, and whether the grain is heated or condensates.
Owner:ANHUI BOWEI CHANGAN ELECTRONICS

3D printing manufacturing method of high-ventilation-capacity anti-virus and anti-smog sealing type mask

The invention relates to a 3D printing manufacturing method of a high-ventilation-capacity anti-virus and anti-smog sealing type mask. The 3D printing manufacturing method comprises the steps: scanning three-dimensional data of a human face in a three-dimensional mode; designing a mask body and an edge three-dimensional model of the mask by using three-dimensional reverse engineering software; carrying out soft and hard integrated 3D printing or die-casting molding by opening a die; providing the cover body with an air inlet channel and an air outlet channel; arranging three layers at the airinlet and outlet channels, setting the inner layer and the outer layer to be disposable filters, and arranging micro mute air supply and exhaust fans at the middle layer; and enabling entering air andexhausted air to arrive only through the air inlet channel and the air outlet channel. According to the invention, the personalized edge shape can be completely attached to the face skin of a wearer,and the mouth and the nose of the wearer are completely isolated from the outside; a fresh air system is formed in the inner space of the mask, so that effective ventilation of a wearer can be guaranteed on the premise that smog, viruses and the like are effectively and bidirectionally isolated, and problems that the edge of a mask body of a conventional mask is not sealed tightly or lung ventilation is affected are solved;and the mask can be repeatedly used by replacing disposable filter pieces of air inlet and outlet channels after surface sterilization.
Owner:PEKING UNIV SCHOOL OF STOMATOLOGY
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