109results about How to "Efficient ventilation" patented technology

A charcoal starter is provided that is fully consumable through combustion. The starter takes the form of a container that includes one or more walls that define a top and bottom compartment. Solid fuel is deposited in the top compartment and kindling material is deposited in the bottom compartment. The divider allows for oxygenation and ventilation while also supporting the solid fuel in the top compartment. The starter is generally composed of a cardboard or other flammable, non-toxic material. The starter is configured such that solid fuel is supported in the top compartment for a period of time after the kindling material is lit and thereafter collapses and is completely consumed. Associated methods for igniting solid fuel, e.g., charcoal, are also disclosed.

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.

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.

The invention discloses a tunnel intelligent ventilating control method. Corresponding deviation and a deviation change rate are calculated through the pollutant concentration, the wind speed and the traffic volume parameters fed back by a field detector, then the values of a proportionality coefficient Kp, an integral action coefficient Ki and a derivative action coefficient Kd are regulated according to a preset fuzzy control rule, the control frequency of a frequency converter is obtained through PID operation, a jet fan is controlled to convert frequency and operate, the ventilation environment in velocity modulation is rapidly changed, the pollutant concentration and the wind speed parameters are circularly fed back, the current control frequency is continuously calculated and output, and demand ventilation is achieved.

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.

Safety shoes with a ventilation structure are provided. The safety shoes include a toecap on a front inner part, a plurality of longitudinal ventilation holes formed at one side of the toecap, an outer skin with an opening which laterally extends to overlap and communicate with the ventilation hole, the outer skin joined with an outer surface of the toecap, and an inner skin formed of a waterproof and breathable function material and joined with the inside of the opening. Thus, user's feet may be maintained always agreeably.

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.

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.

The invention discloses an elevator production metal plate machining system which comprises a conveying part, a power part and a cutting part. The conveying part is used for conveying metal plates, and comprises a base, a movable piece and a supporting unit. A horizontal guide rail is arranged on the base. The movable piece is movably installed on the guide rail. The supporting unit comprises a plurality of supporting plates which are sequentially installed on the movable piece in the length direction of the guide rail. The power part is used for driving the movable piece to move in the length direction of the guide rail. The cutting part comprises a support, beams, a movable block, a welding gun assembly, a first power unit, a position sensor, a timer and a controller. The beams are arranged above the supporting plates and horizontally installed on the support. The length direction of the beams is perpendicular to the length direction of the guide rail. A first position and a second position are preset on each beam. The movable block is movably installed on the beams. The welding gun assembly is installed on the movable block. The metal plates can be effectively cut, and the effect is good.

The invention relates to an assembled cabinet for outside communication, and in particular relates to a cabinet for outside communication. The technical scheme adopted by the invention is as follows: the assembled cabinet for outside communication comprises a base, three side plates (2), a door frame (5) with a door (9) in the center and a top cover, wherein the base is a base (4) with a base skirt (401); the top cover is a top cover (1) with a top cover skirt (103); the three side plates (2) and the door frame (5) enclose into a cycle; and the upper end of the cycle enclosed by the three side plates (2) and the door frame (5) is inserted inside the top cover skirt (103), while the lower end of the cycle enclosed by the three side plates (2) and the door frame (5) is inserted inside the base skirt (401). After adopting the technical scheme, the assembled cabinet is convenient to transport, convenient and rapid to assemble, good in assembly quality and good in protection performance, and can be used for prolonging the service life of equipment in the cabinet greatly.

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.

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.

The invention belongs to the field of daily furniture, particularly relates to a wardrobe with a self-sterilization function, and aims at solving the problems that an existing wardrobe does not have the sterilization function, clothes in the wardrobe cannot be fully disinfected and sterilized, ventilation is inconvenient to conduct in the wardrobe, and bacteria are further prone to breeding. The following solution is provided. The wardrobe comprises a wardrobe body, two door plates are arranged on the front face of the wardrobe body, handles are fixedly connected to the front faces of the two door plates, a clothes airing rod and a partition plate are fixedly connected into the wardrobe body, a plurality of through holes are formed in the partition plate, breathable net plates are arranged on the two sides of the wardrobe body, grooves are formed in the two sides of the wardrobe body, and ventilation mechanisms are arranged in the two grooves. According to the invention, clothes in the wardrobe can be comprehensively disinfected, sterilized and dehumidified, meanwhile, the interior of the wardrobe can be conveniently ventilated, bacteria are prevented from breeding on the surfaces of the clothes, and the practicability of the wardrobe is improved.

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.

The invention relates to a novel medical trachea cannula. The novel medical trachea cannula aims at overcoming the defects that according to existing percutaneous tracheotomy, positioning is difficult, the operating difficulty is large, repeated puncture damage is large, consumed time is long, the operation risk is high, and a postoperative trachea is prone to collapse or stenosis. In order to solve the technical problems, the novel medical trachea cannula comprises a trachea cannula, an opening in the upper portion of the trachea cannula, positioning lamps and an air bag. The novel medical trachea cannula is characterized in that through the improved trachea cannula and the improved air bag, effective ventilation of a patient can be guaranteed, trachea collapse, airway stenosis and other complications caused by extrusion during puncture can be avoided through supporting of the trachea cannula, the puncture direction can be guided through the round opening in the upper portion of the front end of the cannula and the four positioning patch lamps around the round opening, puncture accuracy is improved, and damage and complications caused by repeated puncture are reduced.

The present invention provides an air quantity control method of air exchange system. Said method includes the following stages: stage of checking the set mode which is air purification mode or not; and the stage of forcedly operating and controlling air supply fan air quantity and air discharge air quantity according to the checked result, if said set mode is air purification mode, and making air quantity of air supply fan and air discharge fan be correspondent to the air quantity of the described air purification mode. Said air quantity control method also includes the steps of checking various set modes including air purification mode, indoor temperature / outdoor temperature / set temperature control mode and CO2 concentration control mode, etc.

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.

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.

The invention discloses a novel air optimization device. The device comprises a case body, a case cover which is movably connected with the top part of the case body through a hinge, a storage battery, a solar penal arranged outdoors and a light source fixed in the case body, wherein the light source is electrically connected with the storage battery; the storage battery is electrically connected with the solar panel; the inside and outside of the case cover are communicated; and plants are placed in the case body. An oxygen generator which is environment-friendly and energy-saving and generates oxygen ecologically is implemented by adopting the novel air optimization device which has the characteristics of simple structure, low manufacture cost and environmental-friendliness and energy saving.

The invention discloses a novel environment-friendly energy-saving roof. According to the technical scheme, the roof comprises a roof beam and house columns arranged on the four sides of the house andplaying a support role, the roof beam is composed of two intersected inclined panels, overturning panels are connected with the house columns, the inclined panels and the overturning panels form a triangular structure, the inclined panels can slide downwards in the inclined length direction, driving assemblies used for driving the inclined panels to slide downwards are arranged on the inclined panels, and overturning assemblies used for overturning the overturning panels are arranged on the overturning panels. The driving assemblies are respectively arranged at the joints of the two inclinedpanels and the column bodies, and the driving assemblies comprise sliding rails arranged on the inclined panels and sliding ways arranged on the house columns, the sliding rails are matched with the sliding ways, and driving mechanisms are arranged on the sliding rails and used for driving the sliding ways to slide in the length direction of the sliding rails. The roof can be opened to allow sunlight to irradiate in and can achieve natural ventilation.

The embodiment of the invention provides an in-vehicle air conditioning system, a control device for in-vehicle air conditioning and an in-vehicle air conditioning method. The in-vehicle air conditioning system includes: a monitoring device that monitors environmental data inside and / or outside a vehicle; the control device is used for controlling an air exchange module of the vehicle according tothe monitored environment data; and an odor treatment device that performs odor treatment on the interior of the vehicle in accordance with the control of the ventilation module by the control device. The action of the air exchange module of the vehicle is controlled through the monitored environmental data inside and / or outside the vehicle, effective air exchange can be conducted at the proper time, and therefore the air quality inside the vehicle is efficiently improved, the smell in the vehicle can be effectively processed through the smell processing device, and the user experience is improved.

The invention discloses a trigger type high-frequency jet ventilator for cardio-pulmonary resuscitation. The trigger type high-frequency jet ventilator comprises a control unit and a jet ventilation device. The control unit is connected with a sensing unit or an artificial cardio-pulmonary resuscitation machine used for sensing thorax fluctuations or breathing airflow. The control unit sends a jet starting instruction to the jet ventilation device from a thorax pressing end point, and sends a jet stopping instruction from a thorax springback end point. Ventilation is achieved for a patient on the condition of continuous external chest compression, the compression intermittent time is greatly shortened, ventilation can be accurately carried out in the thorax springback period of the patient, coronary artery, heart and brain instillation can be effectively improved, and therefore the patient can obtain better prognosis.

Safety shoes with a ventilation structure are provided. The safety shoes include a toecap on a front inner part, a plurality of longitudinal ventilation holes formed at one side of the toecap, an outer skin with an opening which laterally extends to overlap and communicate with the ventilation hole, the outer skin joined with an outer surface of the toecap, and an inner skin formed of a waterproof and breathable function material and joined with the inside of the opening. Thus, user's feet may be maintained always agreeably.

The invention discloses a GIS maintenance mobile dust-free workshop, and aims to provide a GIS maintenance mobile dust-free workshop with the characteristics of strong functionality, intelligence and high automation degree, the GIS maintenance mobile dust-free workshop comprises a frame, a tarpaulin matched with the frame is arranged outside the frame for covering, a dust-free workshop is formed on the inner side of the tarpaulin, the tarpaulin is provided with a movable door, the movable door is connected with an isolation workshop and enters and exits the dust-free workshop through the isolation workshop; the dust-free workshop is provided with a dust removal module, a humidity and temperature control module and a fresh air module, the dust removal module, the humidity and temperature control module and the fresh air module are electrically connected with a main control unit, and the dust removal module monitors the dust value of the dust-free workshop and is controlled by the main control unit to adjust the dust value of the dust-free workshop according to the dust value. The invention relates to the technical field of dust-free workshops.

The invention discloses a trigger type high-frequency jet ventilator for cardio-pulmonary resuscitation. The trigger type high-frequency jet ventilator comprises a control unit and a jet ventilation device. The control unit is connected with a sensing unit or an artificial cardio-pulmonary resuscitation machine used for sensing thorax fluctuations or breathing airflow. The control unit sends a jet starting instruction to the jet ventilation device from a thorax pressing end point, and sends a jet stopping instruction from a thorax springback end point. Ventilation is achieved for a patient on the condition of continuous external chest compression, the compression intermittent time is greatly shortened, ventilation can be accurately carried out in the thorax springback period of the patient, coronary artery, heart and brain instillation can be effectively improved, and therefore the patient can obtain better prognosis.

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.

The invention provides a control method and a control device of a refrigerator and the refrigerator. The control method of the refrigerator comprises the following steps that it is confirmed that therefrigerator is not subjected to defrosting process; and the organic matter contents in air in a freezing chamber and in air in a refrigerating chamber are acquired, if the organic matter contents exceed a threshold value or the operation time of the refrigerator exceeds a set time period, air outside a refrigerator body is guided into the refrigerating chamber or is guided into the refrigeratingchamber and the freezing chamber, and air in the refrigerator body of the refrigerator is discharged out. Compared with the prior art that a refrigerator only has an exhaust outlet or even has no exhaust outlet for exhaust, the control method and the control device of the refrigerator and the refrigerator have the advantages that the air outside the refrigerator is guided into the freezing chamberand / or the refrigerating chamber, so that the air inside the refrigerator can be kept fresh, and peculiar smell is reduced.

The invention provides a seed heap of a vegetation net, which comprises an elongated seed heap body and a water soluble film wrapt outside the seed heap body, wherein the seed heap body comprises the following components according to the mixture ratio in parts by weight: 5 to 15 parts of vegetation seed, 50 to 70 parts of stalk fermentation powder, 15 to 20 parts of clay, 20 to 55 parts of expanded vermiculite, 0.5 to 1.5 parts of water-retaining agent, 0.2 to 0.5 part of compound fertilizer, 0.005 to 0.02 part of plant growth regulator, 15 to 30 parts of glycerol and 1 to 3 parts of carboxymethyl cellulose. The invention has reasonable structure, high-efficiency supply capability of water and nutrients, high germination rate, quick and healthy growth of seedlings, low cost, easy execution and no pollution to the environment. The invention is mainly used for manufacturing the vegetation net or sowing directly.

The invention relates to the technical field of ventilation equipment, in particular to ventilation equipment for a wire plastic sheath production workshop, which comprises a fixed frame and a ventilation pipe, and two sliding grooves are formed in each of the upper and lower inner walls of the fixed frame; the ventilation pipe is slidably connected to the interior of the fixing frame through four sliding grooves, a filter screen is fixedly connected to the inner wall of the ventilation pipe, a large particle filter plate is slidably connected to the inner wall of the ventilation pipe, the ventilation pipe can move under the condition that the sealing performance of the fixing frame is kept, and the ventilation mechanism sucks out air in a workshop. Large-particle pollutants and part of harmful gas are filtered through the replaceable large-particle filter plate, filter holes of the filter screen are cleaned through the cleaning mechanism when the ventilation mechanism operates, and the functions of efficient ventilation and filtering can still be kept after the device works for a long time.