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37 results about "Assisting ventilation" patented technology

Assisted ventilation artificial respiration. assist mode ventilation positive pressure ventilation in which the ventilator is in the assist-control mode; see also control mode ventilation and assist/control mode ventilation.

New energy ventilation and heat exchange device

InactiveCN121274342AMechanical apparatusLighting and heating apparatusNew energyAssisting ventilation
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.
Owner:CHANGZHOU SHANGLAN INTELLIGENT TECH CO LTD

A dual-row extended ground ventilation system

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.
Owner:DAMUREN MASCH (JIAOZHOU) CO LTD

Laboratory waste gas purification ventilation cabinet

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.
Owner:PAI LAB EQUIP CO LTD

Painless endoscopic diagnosis and treatment bite block with jet ventilation and gas sampling functions

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.
Owner:HARBIN MEDICAL UNIVERSITY

Sensor-patch monitoring of intercostal muscle activity in a patient during assisted ventilation

PendingFR3164109A1RespiratorsSensorsAssisted ventilationRespiratory muscle
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
Owner:AIR LIQUIDE MEDICAL

Prone position body position pad for assisting ventilation of premature infant

The utility model relates to a prone position body position pad for assisting ventilation of a premature infant, and belongs to the technical field of neonatal nursing tools. In order to solve the problem that an existing prone position pad cannot be used when a premature infant wears a breathing machine, the prone position pad is provided with a pad body part and a protection part, the pad body part is arranged in the protection part, the height of the pad body part is lower than that of the protection part, a face containing groove is formed in the pad body part, and the face containing groove corresponds to the head position of a newborn. The cavity is formed in the middle of the face containing groove, the opening is formed in the portion, corresponding to the cavity, of the protection part, and a pipeline for a newborn to wear the breathing machine extends to the outside through the cavity and the opening, so that the situation that a premature infant tilts towards one side or falls off when wearing the breathing machine is effectively avoided; meanwhile, the problem that breathing is affected due to the fact that a breathing machine presses the nasal septum of the child patient can be solved.
Owner:PEKING UNIVERSITY THIRD HOSPITAL (THE THIRD CLINICAL MEDICAL SCHOOL OF PEKING UNIVERSITY)

Double-exhaust trench ventilation system and method based on environment control precision

The invention discloses a double-exhaust type trench ventilation system and method based on environment control precision, and belongs to the technical field of trench ventilation. The system comprises a house and a trench arranged below the house; a wet curtain and a house exhaust fan are respectively mounted on the front gable wall and the rear gable wall of the house; a leakage plate is mounted on the ground of the house; trench exhaust fans for exhausting air to the outside of the trench are mounted at the front end and the rear end of the trench; the house exhaust fan and the trench exhaust fan are both electrically connected with the PLC control system, and the rotating speed of the fans is adjusted in real time through the PLC control system. According to the system, through a double-layer structure of house main ventilation and trench auxiliary ventilation, wet curtain air inlet, double-end air exhaust and structural optimization design are combined, and dead-corner-free ventilation in the house and trench long-distance uniform air exhaust are achieved; parameters such as temperature, humidity and waste gas concentration in the house are accurately controlled by combining sensing of multiple sensors and dynamic adjustment of a PLC (Programmable Logic Controller); the problems of ventilation dead angles, low air exhaust efficiency, low intelligent level and inaccurate environment control of a traditional system are solved.
Owner:DAMUREN MASCH (JIAOZHOU) CO LTD

Plastic shell with good air permeability

The utility model discloses a plastic housing with good air permeability, which relates to the technical field of plastic housings and comprises a housing body, separation mechanisms are movably installed in the housing body at equal intervals, a sealing cover is hinged to the top of the housing body, and ventilation mechanisms are movably installed on the two sides of the housing body. And the ventilation mechanism comprises ventilation grooves and storage frames, the ventilation grooves are formed in the front ends of the two sides of the shell, the storage frames are fixedly installed at the rear ends of the two sides of the shell, and the interior of the shell is slidably connected with a sealing side plate. By adopting the structure and arranging the ventilation mechanism, when an article with a sealing requirement is stored during use, the push plate is pushed to enable the drawing frame to drive the limiting pin to be separated, the sealing side plate is adjusted to cover the dustproof separation net, and the drawing frame and the limiting spring are loosened to enable the limiting pin to fix the sealing side plate; the push plate is pushed to separate the limiting pin from the shell, the sealing side plate is stored, and the ventilation groove and the dustproof separation net assist in ventilation and dust prevention.
Owner:DONGGUAN LIJING PLASTIC CO LTD

A pliable assisted ventilation mask for endoscopy

ActiveCN117815505BAssisted ventilationCatheter
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.
Owner:THE 924TH HOSPITAL OF THE CHINESE PEOPLES LIBERATION ARMY JOINT LOGISTICS SUPPORT FORCE +1

Head-mounted hearing aid

ActiveCN223528216UDeaf-aid setsHearing aidAssisting ventilation
The utility model discloses a head-mounted hearing aid, and relates to the hearing aid fitting technical field, the head-mounted hearing aid comprises a head-mounted support assembly, the head-mounted support assembly comprises an elastic clamping frame, the center of the surface of the elastic clamping frame is provided with an auxiliary groove, the surface of the elastic clamping frame is provided with an air transmission sleeve, the bottom of the air transmission sleeve is provided with an exhaust hole, and the air transmission sleeve is provided with an air outlet. The left end and the right end of the air conveying sleeve communicate with bending heads, air entraining fans are installed in inner cavities of the bending heads, the inner ring of the elastic clamping frame is fixedly connected with an anti-skid rubber strip, and a through groove is formed in the surface of the anti-skid rubber strip. The beneficial effects of the utility model are that through the arrangement of the head-mounted support assembly, the battery and the small controller, the helmet has the advantage of auxiliary ventilation, and when a person wears the helmet, the small controller can control the air entraining fan to work, so that air flows through the bending head, the air transmission sleeve, the exhaust hole and the through groove, and the purposes of ventilation and heat dissipation are achieved; and the wearing comfort of personnel is effectively improved.
Owner:SUZHOU HIKADI HEARING TECH CO LTD

Ventilation device for a vehicle

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.
Owner:HYUNDAI MOTOR CO LTD +1

Pediatric patient anesthesia recovery state evaluation device and evaluation method thereof

PendingCN121242542ARespiratory organ evaluationSensorsAssisted ventilationPediatric patient
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.
Owner:TONGJI HOSPITAL ATTACHED TO TONGJI MEDICAL COLLEGE HUAZHONG SCI TECH

Ventilation pipe for coal mine well

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.
Owner:PINGDINGSHAN TIANHAO MASCH MFG CO LTD

Water body oxygenation system based on natural wind power and design method

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.
Owner:ZHEJIANG GONGSHANG UNIVERSITY

Auxiliary ventilation curtain wall glass and glass curtain wall

The utility model discloses auxiliary ventilation curtain wall glass and a glass curtain wall, and relates to the technical field of building structures, the auxiliary ventilation curtain wall glass comprises a mounting window frame, an air outlet assembly, a glass assembly and a control device; the mounting window frame comprises a first window frame and a second window frame which are oppositely arranged in the first direction, and a first mounting groove is formed in the inner side of the first window frame; the air outlet assembly comprises a fan installed on the second window frame. The glass assembly comprises a glass frame and a glass plate, and one side end of the glass frame is hinged to the second window frame; the control device comprises a first switch piece and a second switch piece which are connected to a power supply circuit of the fan in series, and the first switch piece comprises a conduction part installed in the first installation groove through an elastic piece; an abutting part is arranged on one side, corresponding to the first window frame, of the glass frame; according to the technical scheme, an operator is prevented from forgetting to close the fan synchronously when closing the mounting window.
Owner:FUJIAN RONGXIANG CURTAIN WALL DECORATION ENGINEERING CO LTD

Indoor auxiliary ventilation equipment

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.
Owner:XIAMEN CHENGYUN TIMES TECHNOLOGY CO LTD

Auxiliary ventilation treatment equipment for prone position patient

PendingCN122005245ARespiratorsMedical devicesAssisted ventilationAssisted ventilation therapy
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.
Owner:THE SECOND AFFILIATED HOSPITAL ARMY MEDICAL UNIV

Intelligent temperature control and ventilation linkage device of energy-saving type two-wheeled electric vehicle stereo garage

The invention belongs to the field of parking garages, and particularly relates to an intelligent temperature control and ventilation linkage device of an energy-saving two-wheeled electric vehicle stereo garage. A first rail groove is formed in the bottom of the garage, a plurality of first bottom plates are slidably connected to the first rail groove, and the first bottom plates can horizontally move on the first rail groove; a first ventilation structure is arranged at the top of the garage; a plurality of lifting assemblies are arranged on the rear transverse column; a third rail groove is formed in the side, facing the first bottom plate, of the lifting column, a second bottom plate is movably connected into the third rail groove, and frame bodies capable of being rotationally opened and closed are symmetrically arranged on the first bottom plate and the second bottom plate correspondingly. A temperature detection component used for detecting the temperature of a vehicle area, a smoke detection component used for detecting smoke of the vehicle area, a fire extinguishing component used for disposing a fire source and a ventilation basic component used for assisting ventilation in the garage are integrated on the frame body, and all the integrated components on the frame body cooperate with the first ventilation structure to conduct ventilation temperature control and safety protection.
Owner:SHENZHEN ZHIJIANENG AUTOMATION CO LTD

Low-voltage switch cabinet

The utility model belongs to the technical field of switch cabinets, and particularly relates to a low-voltage switch cabinet, which comprises a cabinet body, a plurality of groups of drawers are arranged on the cabinet body, the plurality of groups of drawers are linearly arranged along the outer side of the cabinet body from top to bottom, a plurality of groups of ventilation holes are arranged in the drawers, and a ventilation part is connected with the cabinet body to assist in ventilation and heat dissipation of the cabinet body. The outer side of the drawer is symmetrically connected with two groups of handles, the outer sides of the handles are coated with anti-skid sleeves, and the outer side of the cabinet body is provided with a plurality of groups of ventilation holes, when the switch cabinet is used by the arranged drawer, the drawer can be pulled out and slide in the cabinet body, and when electric power accessories need to be installed in the switch cabinet, the effect of more convenient replacement can be achieved; meanwhile, the driving motor drives the ventilation fan to work in the ventilation box and convey cold air into the switch cabinet, and the ventilation holes and the air inlets are arranged diagonally, so that the input cold air can enter from the bottom of the cabinet body and is output from the top of the cabinet body, and the ventilation effect is improved.
Owner:HUBEI GOLDMAN SACHS SHANGKE TECH CO LTD

Apparatus and method for improved assisted ventilation

PendingUS20250381354A1Tracheal tubesElectrocardiographyResuscitation procedureAssisted ventilation
Devices and methods for allowing for improved assisted ventilation of a patient. The methods and devices provide a number of benefits over conventional approaches for assisted ventilation. For example, the methods and devices described herein permit blind insertion of a device that can allow ventilation regardless of whether the device is positioned within a trachea or an esophagus. In addition, the methods and device allow for timed delivery of ventilations based on a condition of a thoracic cavity to increase the amount and efficiency of blood flow during a resuscitation procedure.
Owner:COLABS INC

An F-type push-in ventilation system with a three-way variable diameter turning air duct and its use method

The present invention belongs to the technical field of tunnel ventilation, and particularly relates to an F-type push-in ventilation system with a three-way variable diameter curved air duct and its use method. The system includes a right tunnel and a left tunnel arranged in parallel, a transverse passage between the right and left tunnels, and a transverse tunnel. A transverse tunnel construction area ventilation module is provided within the transverse tunnel. The module includes a variable frequency axial flow fan II, a flexible air duct II with an F-shaped pipeline structure, a flexible air duct for the left tunnel, a flexible air duct for the transverse passage, and a flexible air duct for the right tunnel. A three-way rigid air duct connection structure is provided at the connection between the flexible air duct II and the soft air duct for the left tunnel, and a curved curved rigid air duct connection structure is provided at the connection between the flexible air duct for the transverse passage and the soft air duct for the right tunnel. The soft air duct for the left tunnel and the soft air duct for the right tunnel, respectively, face the tunnel face II. The present invention utilizes multiple transverse tunnels for auxiliary ventilation and adopts a curved rigid air duct connection structure, which can effectively reduce wind pressure loss, achieve good ventilation effects, and reduce ventilation costs.
Owner:CCCC SECOND HIGHWAY ENG CO LTD

A method and system for indoor ecological environment design based on digital twin

The present invention relates to the field of digital twin simulation technology, specifically a method and system for indoor ecological environment design based on digital twin, comprising the following steps: collecting temperature to calculate hysteresis difference to generate thermal adaptation classification information, monitoring carbon dioxide and leaf area to estimate carbon dissipation ratio, judging ventilation rules to generate control labels, collecting stomatal conductance to adjust disturbance frequency, extracting water vapor pressure and transpiration to generate response labels, and deriving states to generate adjustment label sets. In the present invention, by collecting leaf and root temperature responses to calculate hysteresis difference, identifying thermal disturbance characteristics, extracting individual thermal adaptation differences, monitoring carbon dioxide concentration and leaf area, calculating carbon dissipation ratio to measure carbon metabolism efficiency, assisting ventilation decision-making, combining stomatal conductance and temperature feedback, controlling disturbance frequency to optimize, integrating water vapor pressure difference and transpiration rate, constructing multi-parameter response labels, integrating multi-source data to generate adjustment state labels, and improving ecological regulation capabilities.
Owner:HUNAN VOCATIONAL INST OF TECH

A method and system for simulating the ventilation of a diffusion chamber with a wave absorber

ActiveCN116305445BGeometric CADSustainable transportationAssisting ventilationBlast wave
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.
Owner:CHINESE PEOPLES LIBERATION ARMY UNIT 96657 +1

Respiratory tract deposition distribution testing device for inhalation preparation

ActiveCN224137127URespiratorsTesting medicinal preparationsAssisted ventilationNose
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.
Owner:KAIFEINO TAIZHOU BIOTECHNOLOGY CO LTD

Lifting type thin ventilation clerestory

The invention relates to the technical field of ventilation clerestory, and discloses a lifting type thin ventilation clerestory which comprises a center frame installed on the top of a plant, the upper end of the center frame is located outside the plant, and the side wall of the end, located outside the plant, of the center frame is fixedly connected with a plurality of connecting columns distributed at equal intervals. The other ends of the connecting columns are fixedly connected with a shell, the shell is suspended above the plant, daylighting openings are formed in the four faces of the upper end of the shell in a penetrating mode, a supporting plate is fixedly connected into the lower end of the center frame, the upper surface of the supporting plate is connected with a lifting mechanism and a plurality of auxiliary ventilation mechanisms, and the output end of the lifting mechanism is connected with a sealing plate. According to the lifting type thin ventilation clerestory, the lifting height of the sealing plate is controlled through the lifting mechanism, the area of the ventilation opening can be flexibly adjusted, and in the high-temperature season or when the indoor hot-pressing effect is remarkable, the opening area is increased to improve the ventilation efficiency; otherwise, the opening is reduced in low-temperature or windy and rainy days, and ventilation and heat preservation requirements are balanced.
Owner:NANTONG WANWEI NEW ENERGY TECH CO LTD

Combustion-supporting ventilation device for natural gas combustion

ActiveCN223826236UGaseous fuel burnerAssisted ventilationThermodynamics
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.
Owner:LIAONING ZHONGSHI XINYA ENERGY DEV CO LTD

Electric curing barn dictyophora rubrovolvata shelf type planting system

The utility model discloses an electric curing barn dictyophora rubrovolvata shelf type planting system which comprises a temperature control system, a humidity control system, an illumination control system, a ventilation control system and a curing barn, a shelf is arranged in the curing barn, a plurality of cultivation beds are placed on the shelf, and the cultivation beds are arranged on the shelf. The ventilation control system comprises a plurality of natural ventilation assemblies and a plurality of auxiliary ventilation assemblies, the natural ventilation assemblies and the auxiliary ventilation assemblies are arranged on the side wall of the curing barn, and each natural ventilation assembly comprises an outer shell fixedly inserted into the side wall of the curing barn; according to the auxiliary ventilation assembly, the ventilation fan rotates for ventilation, when the natural ventilation quantity cannot be met, the ventilation fan is turned on for auxiliary ventilation, the closed blade plates are arranged on the ventilation openings of the natural ventilation assembly, the multiple closed blade plates rotate synchronously, the area of the ventilation position can be changed according to the opening and closing angle, and the ventilation quantity can be adjusted; in this way, the ventilation requirements of the dictyophora rubrovolvata in all growth stages can be met.
Owner:YUNNAN ZHONGHAI LUTHER CLEANING TECH CO LTD

An automatic turning device for prone ventilation in patients with severe ARDS

ActiveCN119770281BElectrotherapyRespiratory masksAssisted ventilationMedical equipment
The present invention belongs to the field of medical equipment technology, and in particular, is an automatic turning device for prone ventilation of patients with severe ARDS. In order to solve the problem that the current prone position assisted breathing mechanism cannot simulate the lung assisted breathing performed by medical staff, the following solution is proposed, including a bed frame, wherein the four corners of the bottom of the bed frame are provided with threaded holes, and the threaded holes at the four corners of the bed frame are threaded with adjustment feet, four universal movable wheels are respectively installed on both sides of the bottom of the bed frame, and three push rods are installed inside the bed frame to fix the base frame. When the present invention is used by patients with severe ARDS, the multi-channel air valve controllers in the two auxiliary chassis at the bottom push the gas generated by the air pump to the corresponding pneumatic push rods, so that the pneumatic push rods distributed in the array produce different corresponding actions, simulating the medical staff pressing the patient's chest cavity and performing active compression-assisted ventilation on the patient's chest cavity and lungs.
Owner:HUAIAN FIFTH PEOPLES HOSPITAL

A power distribution cabinet with auxiliary ventilation structure

PendingCN122338601AElectric machineryAssisting ventilation
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.
Owner:HUAIAN SENYI ELECTRICAL EQUIPMENT MANUFACTURING CO LTD

Adjustable sunlight room roof structure

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.
Owner:GAOYOU XINGDA COMM EQUIP CO LTD