20 results about "Assisting ventilation" patented technology

The invention discloses a new energy ventilation and heat exchange device, and relates to the technical field of air conditioning devices.The device comprises a shell, a mounting barrel is fixedly connected to the interior of the shell, and a ventilation and heat exchange mechanism used for extracting high-temperature air in a workshop is arranged in the mounting barrel; an auxiliary mechanism for assisting the ventilation and heat exchange mechanism in extracting high-temperature air is further arranged in the mounting cylinder, air in the workshop can be extracted by changing the distance between a flow guide plate and fan blades and the included angle between a matching plate and the fan blades and rotating the fan blades, the ventilation and heat exchange effects are achieved, and the service life of the workshop is prolonged. And through linkage cooperation of the auxiliary mechanism and the gain mechanism, the heat production rule of'stage work 'of equipment in the workshop is adapted, efficient ventilation of'adjustment as needed' is achieved, the situation that high-temperature air in the workshop cannot be exhausted in time is avoided, and the stability of air adjustment in the workshop can be effectively improved.

This utility model discloses a dual-exhaust extended ground-level ventilation system, belonging to the field of ground-level ventilation technology. It includes a building and a ditch located beneath the building. The front wall of the building is equipped with a wet curtain for air intake, and the rear wall is equipped with an exhaust fan for exhausting air outwards. The floor of the building is fitted with a perforated plate connected to the ditch. Exhaust fans for exhausting air outwards are installed at both ends of the ditch. This dual-exhaust extended ground-level ventilation system has the following advantages: dual-end exhaust, suitable for long-distance ditches: avoids the wind speed attenuation of single-end exhaust, making the airflow within the ditch more uniform; complementary double-layer airflow, eliminating ventilation dead zones: the main ventilation of the building covers the upper and middle activity areas, while the auxiliary ventilation of the ditch specifically removes accumulated waste gas from the ground, with superimposed double-pathways eliminating ventilation blind spots.

The invention discloses a laboratory waste gas purification fume cupboard, and belongs to the technical field of fume cups.The laboratory waste gas purification fume cupboard comprises a cabinet, a workbench is installed at the top end of the cabinet, an auxiliary ventilation mechanism is arranged at the top end of the workbench, the auxiliary ventilation mechanism comprises a suction fan fixedly installed at the top end of the workbench, and supporting pipes are arranged on the two sides of the workbench; and the input end of the suction fan communicates with a filtering part for filtering waste gas, a gas collection cylinder is rotationally installed on the surface, close to the interior of the workbench, of the supporting pipe, the suction fan communicates with the interior of the gas collection cylinder through an air inlet assembly, and a gas suction assembly is arranged on the outer surface of the gas collection cylinder. The air inlet amount of the auxiliary air suction assembly can be dynamically adjusted according to the actual air pressure in the cabinet by combining accurate control of the air pressure valve on opening and closing of the ventilation pipeline, so that the air inlet amount is matched with the air draft amount of the fan in real time, the negative pressure value is stabilized in a safe interval, and the waste gas leakage risk is further eradicated.

The utility model discloses a painless endoscopic diagnosis and treatment bite block with jet ventilation and gas sampling functions, and relates to the technical field of medical auxiliary equipment. The painless endoscope diagnosis and treatment instrument solves the problem that the existing painless endoscope diagnosis and treatment instrument does not have auxiliary ventilation and end-expiratory carbon dioxide monitoring functions during endoscope operation. A tongue pressing pad is arranged below a mouth pad, the head end of the tongue pressing pad is fixedly connected with the inner side face of a fixing pad, and a jet ventilation hole channel and two anti-blocking gas sampling hole channels which are arranged in parallel and penetrate through the head end face and the tail end face of the tongue pressing pad are formed in the tongue pressing pad in the longitudinal direction. The two anti-blocking gas sampling hole channels are located on the left side and the right side of the jet ventilation hole channel, and a jet guide pipe connector and two anti-blocking gas sampling connectors which are in one-to-one correspondence with the jet ventilation hole channel and the two anti-blocking gas sampling hole channels and are communicated with the jet ventilation hole channel and the two anti-blocking gas sampling hole channels are formed in the fixing pad. The utility model is used for implementing assisted respiration and end-expiratory carbon dioxide monitoring technology for a patient under the condition of non-airtight airway management.

Title of the invention: Monitoring of a patient's intercostal muscle activity during assisted ventilation using a patch sensor. The invention relates to a monitoring system (1) for the respiratory muscle activity of a patient (P), in particular intercostal and / or diaphragmatic muscle activity, comprising a patch sensor (10) including mechanomyography measurement means (13) for performing successive measurements of the patient's muscle activity, and a medical ventilator (20) with control means (25) for processing the measurements performed by the mechanomyography measurement means (13). Display means (30) display an MMG curve (31) representing the patient's muscle activity, in particular intercostal and / or diaphragmatic muscle activity, over time (t) obtained from the processed measurements. Abstract figure: Figure 1

The application discloses a plastic auxiliary ventilation mask for endoscopy and belongs to the technical field of medical devices, which comprises a mask body, an endoscope hole is arranged on the front surface of the mask body, and a plug-in pipe sleeve for inserting an endoscope is connected to the endoscope hole; the bottom of the plug-in pipe sleeve is connected with the mask body in communication, and a one-way valve sleeve is connected to the top of the plug-in pipe sleeve; a blocking air bag capable of being contracted or expanded is arranged in the plug-in pipe sleeve, the blocking air bag can block the gap between the endoscope and the plug-in pipe sleeve, a catheter for controlling the ventilation of the blocking air bag is arranged on the blocking air bag, the catheter is connected with the blocking air bag in communication, and the catheter extends to the outside of the mask body; an oxygen supply pipe and an annular memory sponge are arranged on the mask body. The application can ensure the airtightness during use, and the mask body will not leak air when the endoscope is used for examination.

The present invention relates to a ventilation device for a vehicle, which includes a main vent and an auxiliary vent, which are divided by a partition wall and combined in a single duct, a plurality of horizontal vanes installed at a position behind the main vent and the auxiliary vent, and a volume control vane included in the plurality of horizontal vanes for distributing a volume of air discharged to the inside of the vehicle through the main vent and a volume of air discharged to the inside of the vehicle through the auxiliary vent. The ventilation device can ensure an internal exhaust air volume, adjust an air direction, ensure a duct installation space, and redistribute an air leakage volume.

The invention discloses a pediatric patient anesthesia recovery state evaluation device and an evaluation method thereof, and relates to the field of intelligent medical treatment, the device comprises a double-gas-path module, the double-gas-path module comprises a main channel and an auxiliary channel, the main channel is used for collecting exhaled gas, and the auxiliary channel is used for providing low-flow oxygen to assist ventilation; the adjustable nose wing fixing clamp is connected with the double-gas-path module, the adjustable nose wing fixing clamp is used for being attached to the nasal septum of a monitored person, the miniature nasal cavity adaptive sensor module comprises a flexible silica gel substrate, a miniature infrared light source and a light-sensitive detector are integrated on the flexible silica gel substrate, and the miniature infrared light source and the light-sensitive detector are connected with the adjustable nose wing fixing clamp. The micro nasal cavity adaptive sensor module is arranged on the inner wall of the main channel; the airflow sampling module is arranged on the inner wall of the main channel. The invention provides a non-invasive, real-time, intelligent and high-precision solution for a high-risk and low-tolerance scene of postoperative anesthesia recovery of a pediatric patient.

The utility model discloses a coal mine well vent pipe which comprises a vent pipe body, the right end of the vent pipe body is fixedly connected with an air inducing assembly, the air inducing assembly comprises a mounting plate, the right side face of the mounting plate is provided with a mounting groove, the inner wall of the mounting groove is provided with fan mounting screw holes which are annularly arranged, and the fan mounting screw holes are fixedly connected with the mounting plate. And two groups of fixing holes are formed in the right side surface of the mounting plate. According to the device, through the arrangement of the ventilation pipeline body, the air inducing assembly, the mounting groove, the fan mounting screw hole, the mounting plate and the fixing hole, fixing of the ventilation pipeline body can be assisted, mounting of an induced draft fan can be facilitated through the mounting groove and the fan mounting screw hole, and mounting operation of the air inducing device of the ventilation pipe is facilitated; and through arrangement of a mounting disc, clamping holes, a filtering assembly, a filtering net frame, a filtering net and a buckle, buckling mounting of the filtering assembly can be achieved, the filtering effect of the ventilation pipeline body is effectively improved, and the ventilation quality of the ventilation pipeline is conveniently guaranteed.

The present application relates to the technical field of water oxygenation, in particular to a water oxygenation system based on natural wind force and a design method, the design method comprising setting up ventilation corridors on both banks of a river section, designing the height, width and length of the ventilation corridors based on environmental basic parameters, verifying and optimizing the design of the ventilation corridors; setting up wind force guiding devices in the ventilation corridors, designing the size of the inclined plates in the wind force guiding devices according to the width and length of the ventilation corridors; setting up a plurality of auxiliary ventilation devices evenly between the banks of the river section, determining the number of the auxiliary ventilation devices according to the length of the river section. The present application guides and accelerates the flow of natural wind to perform oxygenation by setting up ventilation corridors on both banks of the river, fully utilizes the natural wind force resources, greatly reduces the dependence on external energy, avoids the high energy consumption problem caused by traditional mechanical oxygenation and chemical oxygenation, eliminates the potential pollution of chemical agents to the environment, and ensures the sustainability of the environment and the stability of the ecological system.

The invention discloses indoor auxiliary ventilation equipment, and belongs to the technical field of air circulation auxiliary equipment. The indoor auxiliary ventilation equipment can be matched with a door body to be detachably installed at a gap of the door body, the fresh air function and the exhaust function are achieved through the fan assembly integrated in the equipment and the corresponding set of ventilation openings, and air in a target room can be purified in the fresh air function state; under the air exhaust function, air in a target room can be exhausted, and indoor air circulation is accelerated. Therefore, the indoor auxiliary ventilation equipment well utilizes specific spaces such as door slots, is installed on a door body without damaging and massively transforming an original building, and is wide in application scene and convenient and fast to install. In addition, through different operation states of the fan assembly, indoor air circulation can be rapidly and effectively accelerated, and the indoor air quality is improved.

The invention relates to the technical field of auxiliary ventilation treatment equipment, and discloses auxiliary ventilation treatment equipment for a prone position patient, which comprises a base provided with a head support part, a neck support part and a chest and abdomen part with an inclined surface, and further comprises a lower body support area formed on the base; windows penetrating through the top surface of the base are formed in the head supporting part, the neck supporting part, the thoracic-abdominal part and the lower body supporting area; a breathable soft cushion, a supporting net, a supporting frame, an air cushion layer and a ventilation pipeline are arranged in each window; air outside the base is conveyed into the base through the air bellow and the ventilation pipeline and is emitted out from the ventilation soft cushion, ventilation airflow can be formed, the good ventilation and perspiration effects are achieved, and discomfort caused by long-time use is relieved; the multi-layer soft treatment pad is formed by the breathable soft pad, the supporting net and the air cushion layer, it is guaranteed that air in the ventilation pipeline can be effectively dissipated, the good pressure sore prevention effect is achieved, and long-time use is facilitated.

The application discloses a kind of diffusion chamber ventilation wave-damping simulation methods, comprising: establishing diffusion chamber ventilation pipeline model;Collect ventilation pipeline information, the actual wind resistance of ventilation pipeline is calculated;The actual wind resistance is compared with calibration wind resistance;The minimum cross-sectional area of ventilation passage is calculated;Wave-damping material is installed to the inner wall of ventilation pipeline.According to the minimum cross-sectional area of ventilation passage and the thickness of foamed aluminum calculated by diffusion chamber ventilation pipeline model, and foamed aluminum of different density can be selected according to the thickness of foamed aluminum, reduce the power of shock wave propagation along ventilation pipeline, reduce the damage to equipment on ventilation pipeline, play a protective role, while fully considering the influence of friction resistance coefficient of foamed aluminum material on wind resistance, so as to ensure that the wind resistance inside ventilation pipeline is less than calibration wind resistance, meet the ventilation requirement, reduce the power consumption of auxiliary ventilation fan.

The utility model relates to the technical field of respiratory medicine physiological research, and discloses a respiratory tract deposition distribution testing device for inhalation preparations, which comprises a respiratory tract model unit, a head model and a respiratory tract model unit, the respiratory tract model unit comprises a sealed container, a pulmonary trachea model and a head model, and the air inlet end of the pulmonary trachea model extends to the outside of the sealed container; the head model is connected with the air inlet end of the pulmonary trachea model; the breathing machine system comprises a breathing machine, a connecting pipeline and a medicine feeding device, and the end, away from the breathing machine, of the connecting pipeline is connected to the mouth and / or the nose of the head model; and the air bag unit comprises a filtering assembly and an air bag assembly, the filtering assembly is connected with the sealed container, and the air bag assembly comprises an air bag which adaptively expands and contracts when the breathing machine system works. Under the condition that a breathing machine system assists ventilation, the respiratory tract model adapts to running parameters of the breathing machine, the function that a real bionic breathing machine assists human body breathing is achieved, and the deposition result of drug particles in the respiratory tract is accurately simulated.

The utility model discloses a natural gas combustion combustion-supporting ventilation device which comprises a gas inlet pipe, a combustion-supporting ventilation structure is installed on one side of the gas inlet pipe, and the combustion-supporting ventilation structure comprises a connecting pipe, a draught fan, an exhaust pipe, an exhaust pipe, a support, a protective net, an annular limiting plate, a filter net cover, a flow guide block, a spoiler and a one-way gas inlet valve. The connecting pipe is fixedly installed on the fuel gas inlet pipe through a flange plate. According to the combustion-supporting ventilation device for natural gas combustion, dust in air is filtered conveniently through the exhaust pipe, the filter screen cover is installed in the exhaust pipe, the quality of the air entering the connecting pipe is improved, flow guiding is conducted on the air conveniently through the flow guiding block, resistance during natural gas conveying is reduced, and the service life of the natural gas is prolonged. And by arranging the spoilers, air can be better mixed with natural gas, and the combustion efficiency of the natural gas is improved.

This invention belongs to the field of power distribution cabinet technology, and particularly relates to a power distribution cabinet with an auxiliary ventilation structure, comprising: a cabinet body, with symmetrical baffles on its top, a connecting frame installed between the two baffles, and a top plate hinged to the bottom two sides of the connecting frame via a rotating sealing assembly; a heat dissipation mechanism, including two sets of exhaust holes and two sets of air inlets symmetrically opened on the top of the cabinet body and communicating with the inner cavity of the cabinet, with air guide covers slidably connected to each set of exhaust holes and each set of air inlets, and an exhaust fan and an exhaust fan respectively installed in the air guide covers corresponding to the exhaust holes and air inlets. This invention can drive the air guide covers to slide, linking the top plate and the cover to adaptively open and close, realizing a dual-mode switching between active ventilation and sealed heat conduction, adapting to both sunny and rainy weather conditions, balancing heat dissipation and dust and moisture prevention performance, and simultaneously and automatically cleaning the heat dissipation plate to avoid dust accumulation affecting performance.

The utility model discloses an adjustable sunlight room roof structure, and relates to the technical field of sunlight room roof structures. Comprising a base; the bottom of the adjusting device is fixedly connected with the top of the base; the outer wall of the top plate device is rotationally connected with the outer wall of the adjusting device; the adjusting device comprises a motor, the bottom of the motor is fixedly connected with the top of the base, an output shaft of the motor is fixedly connected with a lead screw, the outer wall of the lead screw is in threaded connection with a sliding frame, the outer wall of the sliding frame is symmetrically and rotatably connected with connecting rods, and the outer wall of the sliding frame is slidably connected with an adjusting frame. The adjustable angle of the top plate can assist ventilation and heat dissipation, in hot summer, the top plate is adjusted to a proper angle, an inside and outside air circulation channel of the sunlight room can be optimized, hot air is guided to be discharged out of the room more smoothly, and the indoor stuffiness and humidity degree are reduced.

The utility model relates to a kind of SF6 monitoring's environmental monitoring ventilation device, belong to SF6 monitoring auxiliary ventilation technical field.The SF6 monitoring's environmental monitoring ventilation device, comprising: main air duct and the first fan group and first filter plate of fixed connection in main air duct inner wall, the filter mechanism includes the filter box of being set to one side of main air duct, the inside of the filter box is provided with second filter plate, the second filter plate will the inside of filter box be divided into storage compartment and ventilation storehouse, the storage compartment is set to the below of ventilation storehouse;By the inside of filter box being divided into two spaces by second filter plate, gas and dust and other sundries entering the inside of filter box through air inlet are always in the state of circulation under the action of airflow, to reduce the probability of filter hole being blocked by dust adhering on filter plate surface, simultaneously by setting storage compartment, the storage amount of dust filtered by filter plate can be effectively increased, the frequency of cleaning filter plate is reduced.

The application provides an air flow path switching assembly of an air conditioner and an indoor unit with the same. In the air flow path switching assembly, a driving part drives a first supporting member to drive a first air flow control plate to rotate relative to a main air vent, and the driving part drives a second supporting member to drive a second air flow control plate to rotate relative to an auxiliary air vent through a first transmission assembly, so as to switch among a first state that the first air flow control plate closes the main air vent and the second air flow control plate closes the auxiliary air vent, a second state that the first air flow control plate exposes the main air vent and the second air flow control plate exposes the auxiliary air vent, or a third state that the first air flow control plate exposes the main air vent and the second air flow control plate closes the auxiliary air vent. In the scheme, the opening area of the first air vent can be adjusted through the first air flow control plate and the second air flow control plate, and the area of the first air vent can be adjusted when the air conditioner switches between the cooling mode and the heating mode, thereby improving the ventilation effect.

The invention relates to the technical field of ventilation systems, and discloses a novel ventilation system for underground space development and a construction method.The system comprises a main ventilator, a plurality of auxiliary ventilators, a sensor network module, a central control module, a pipeline module and a green energy module; the construction method is used for an intelligent regulation and control system to adapt to the underground environment of the current air quality and comprises the following steps that S1, a main ventilator and an auxiliary ventilator are installed; s2, arranging a sensor network and a central controller; s3, a pipeline system is installed; s4, green energy is installed; s5, system debugging and testing; and S6, acceptance and delivery. Through the intelligent sensor network and the central control system, the air quality is monitored in real time, and the operation states of the main ventilator and the auxiliary ventilator of the ventilation system are automatically adjusted, so that the system operation is optimized, the unnecessary energy consumption is reduced, and the maintenance cost is reduced.