30results about How to "Realize automatic ventilation" patented technology

Mobile household air conditioners belong to the technical field of refrigeration and air conditioning, including compressors, evaporator water trays, evaporators, cross-flow fans, throttling mechanisms, sprinklers, condenser fans, condensers, water pumps, condenser water Pan, water tank, roller, condenser air inlet, air supply outlet, heat shield, evaporator air inlet, water deflector, hose, shell. The present invention combines the outdoor unit and the indoor unit into one, adopts spray water evaporation + air cooling mode, as long as there is sufficient water level in the water tank, the air conditioner can cool down, and can move freely between rooms as required. The condensed water of the original split-type air conditioner is fully utilized, and the problem of dripping water from the outdoor unit is solved, and the room can be automatically ventilated. The total cooling capacity generated by the air conditioner is all used to cool the indoor air, which has good economic benefits. and energy-saving effect.

The invention provides a medical gas busbar control system. The medical gas busbar control system comprises a left gas pipe branch pipe, a right gas pipe branch pipe, a first three-way valve and a convergence gas outlet pipe. A left main valve is arranged on the left gas pipe branch pipe. A left automatic gas switching valve is connected to the position, on the rear side of the left main valve, ofthe left gas pipe branch pipe. A right main valve is arranged on the right gas pipe branch pipe. A right automatic gas switching valve is connected to the position, on the rear side of the right mainvalve, of the right gas pipe branch pipe. An output pipe of the left automatic gas switching valve and an output pipe of the right automatic gas switching valve are connected with the convergence gasoutlet pipe through the first three-way valve. The left gas pipe branch pipe and the right gas pipe branch pipe are automatically switched through the left automatic gas switching valve and the rightautomatic gas switching valve. The medical gas busbar control system realizes automatic switching between the left gas pipe branch pipe and the right gas pipe branch pipe, conducts automatic switching control according to the remaining gas pressure value, implements automatic switching to exchange gas after power-off and maintains pressure stability after gas exchange. The invention further provides a gas switching control method of the medical gas busbar control system.

The invention relates to a fireproof door with an automatic ventilation function. The fireproof door is characterized in that a louver is formed in a door body, a temperature sensor is arranged on the inner side of the door body, an automatic fireproof shutter unit located above the louver is arranged in the door body, the lower edge of the louver is provided with a seat plate located right below the automatic fireproof shutter unit, a gravity sensor is arranged on the seat plate, the automatic fireproof shutter unit comprises a rolling shaft, rolling ropes wind the rolling shaft, a steel fireproof shutter is fixedly connected to the lower ends of the rolling ropes, a motor is arranged at the end of the rolling shaft and connected with a controller, and a pressure sensor is fixed around the middle section of the rolling shaft. The fireproof door has the advantages that when the steel fireproof shutter is located on the seat plate, the steel fireproof shutter completely covers the louver; due to the fact that the louver is formed in the fireproof door and provided with the automatic fireproof shutter unit and the controller is matched with the temperature sensor on the door body, the pressure sensor on the rolling shaft and the gravity sensor on the seat plate and in linkage with the automatic fireproof shutter unit, and automatic ventilation of the fireproof door and automatic fire and smoke prevention during a fire are achieved.

The invention discloses a new type of ventilation device for buildings. The upper small end of the lower conical pipe of the present invention is arranged in close connection with the lower small end of the upper conical pipe, and a connecting suction cup is arranged between the lower conical pipe and the upper conical pipe. In this way, after the airflow of the lower conical tube flows to the upper conical tube, due to the contraction and diffusion of the conical tube, a certain negative pressure can be formed at the connection with the suction cup, and this negative pressure will make the suction tube suck At the same time, the airflow control mechanism of the present invention can make the flow velocity of the airflow flowing from the lower conical pipe to the upper conical pipe continuously present periodic or non-periodic changes, which can effectively make the suction airflow in the suction pipe also at During the change, it not only facilitates the change of the air flow during humidity adjustment, but also ensures that water molecules escape from the humidity adjustment mechanism, and facilitates the suction of the suction pipe, improving the suction capacity of the suction pipe.

The invention provides an air conditioner ventilation control method of a vehicle, an air conditioner ventilation control device of the vehicle, computer equipment, a computer readable storage medium,and the vehicle. The air conditioner ventilation control method comprises: receiving an air conditioner control signal sent by a driver from the vehicle by a preset distance through a control device;and controlling an air conditioner ventilation device and an air conditioner circulation device of the vehicle to work according to the air conditioner control signal. Before the driver gets on the vehicle, the air conditioner ventilation device and the air conditioner circulation device are automatically controlled to work according to the air conditioner control signal, to realize pre-ventilation of the interior of the vehicle to ensure the air quality and temperature comfort inside the vehicle.

The invention relates to the field of compact shelf sealing technology, and discloses a compact shelf with good sealing performance, which includes a storage body, a pressure spring is movably connected to the right side of the storage body, and a transmission rod is movably connected to the right side of the pressure spring. The right side of the transmission rod is movably connected with a fastening rod, the top of the transmission rod is movably connected with a transmission wheel, the outside of the transmission wheel is movably connected with a push rod, and the top of the push rod is movably connected with a push block, and the push block The airbag is movably connected on the right side. During the process of bringing the two storage bodies closer to each other, the fastening rod contacts the extrusion block and gradually applies a lateral thrust to the extrusion block, which in turn makes the limit block and the fastening block The fixing grooves opened on the surface of the rods are in contact with each other, so as to realize the fixing between the two storage bodies. At the same time, the airbag expands under the force to further fill the gap, so as to achieve the effect of automatically fixing and locking the compact shelf and filling the gap to prevent dust from entering its interior.

The invention discloses a rotary gas distribution structure of an annular series cylinder group, which includes a gas distribution shaft, a rotary gas distribution shaft sleeve, a main rotor and an auxiliary rotor, the gas distribution shaft and the rotary gas distribution shaft sleeve are coaxially nested and installed, the main rotor and The auxiliary rotor assembly is set on the rotary air distribution shaft sleeve. There is an air supply channel in the air distribution shaft, and an exhaust channel in the rotary air distribution shaft sleeve. There are a number of air inlets and air outlets in the circumferential direction, the air inlets communicate with the air supply passage, the exhaust outlets communicate with the exhaust passage, and the mating surface of the rotating air distribution shaft sleeve and the air distribution shaft is along the circumferential direction A number of first air ports and a number of second air ports are provided, and the air intake port, the exhaust port, the first air port and the second air port are aligned alternately with the rotation of the rotating valve sleeve, so as to realize the air exchange of each cylinder. The invention can realize high-efficiency, reliable, stable and automatic ventilation of the cylinder.