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85 results about "Active ventilation" patented technology

Switched reluctance motor capable of actively ventilating and cooling

The invention relates to the technical field of switched reluctance motors, and particularly discloses a switched reluctance motor capable of actively ventilating and cooling. Comprising a ventilation pipe, one end of which is provided with a high-pressure air pump. The switched reluctance motor comprises a high-pressure air pump, an annular ventilation plate, the annular ventilation plate is arranged to be an annular shell internally provided with an annular cavity, first small ventilation holes are formed in the inner side of the annular ventilation plate, and the outer side of the high-pressure air pump is sleeved with and fixedly connected with an auxiliary cleaning mechanism. Air is filled into the inner side of an annular ventilation plate and then passes through an exhaust round hole to be exhausted out of a plugging device for ventilation type heat dissipation, so that the problem that the heat dissipation performance of the motor is generally improved by modifying a motor shell in the existing cooling means, and the motor is difficult to actively cool is solved; the arc-shaped baffle is arranged on the inner wall of the annular ventilation plate to resist gas sprayed in by the high-pressure air pump, and the situation that the gas sprayed in from the ventilation pipe is directly sprayed out from a part of first small ventilation holes on the opposite side and is difficult to evenly spray is prevented.
Owner:GAOYOU SHENFA MOTOR MFG CO LTD

Anti-leakage primary and secondary fusion complete ring main unit

The invention discloses an anti-seepage primary and secondary fusion complete ring main unit. The anti-seepage primary and secondary fusion complete ring main unit particularly comprises a cooling assembly, a heat dissipation assembly and a water collection assembly. The cooling assembly collects leakage rainfall and reduces the temperature of the side wall of the ring main unit through a cooling pool and a cooling core structure; the heat dissipation assembly utilizes a heat dissipation grid and a fan structure to achieve active ventilation and heat dissipation of internal components of the ring main unit. The water collecting assembly recycles natural rainfall through a water collecting tank and a radiator structure and reduces the temperature in the ring main unit by utilizing an evaporation heat absorption principle. According to the invention, the heat dissipation efficiency of the ring main unit is improved, effective utilization of natural rainfall is realized, and the anti-seepage performance is enhanced.
Owner:FENGFENG ELECTRIC GRP HEBEI CO LTD

Oven with rotary air cooling function

The oven with the rotary air cooling function comprises an oven body, a semi-cylindrical containing cavity extending backwards is formed in the middle of the front wall face of the oven body, one side of the front wall face of the oven body is movably connected with a semi-circular-arc-shaped door body through a plurality of hinges, and the semi-circular-arc-shaped door body and the semi-cylindrical containing cavity form a cylindrical cavity; semicircular protruding plate parts extending forwards are formed on the front wall faces of a bottom plate and a top plate of the oven body, and the outer side walls of the semicircular protruding plate parts are matched with the inner side wall of the top plate or the bottom of the door body. After a product is baked, active ventilation can be directly carried out, internal cooling is carried out, the cooling effect is good, cooling is rapid, contact with external people or objects or insects and the like is avoided, and the sanitary effect is guaranteed.
Owner:浙江欧恒食品有限公司

Active ventilation cooling system and method for radar radome

The invention relates to the technical field of radars, and discloses an active ventilation cooling system and method for a radar radome, the system comprises a top ventilation opening, the radome, an active ventilation cooling device and a fan controller, the top ventilation opening is located at the top end of the radome and is used for natural ventilation and auxiliary heat dissipation; the antenna housing is designed to be in a cavity opening type hemisphere shape so as to adapt to installation and operation of a radar antenna. The active ventilation cooling device is arranged at the bottom end of the antenna housing and is used for air intake and air exhaust; and the fan controller is used for controlling the start and stop of the active ventilation cooling device. The problem of poor heat dissipation of the radar radome in a high-temperature environment can be solved, and efficient heat dissipation, automatic control and all-weather work are realized.
Owner:XI AN JIAOTONG UNIV

Intelligent inter-plant light supplement lamp control system based on PWM dimming and wireless networking

The invention discloses an inter-plant light supplement lamp intelligent control system based on PWM dimming and wireless networking, and relates to the technical field of plant light supplement illumination control, and during operation of the system, the system comprises a central management server, a wireless communication gateway, an environmental data acquisition unit, an intelligent ventilation light supplement terminal, a distributed power supply management unit and a mobile monitoring terminal. The server generates a PWM control instruction based on the environmental parameters and issues the PWM control instruction to the intelligent terminal through the wireless gateway; and the terminal adjusts the light intensity of the LED array by using the PWM driving unit, and synchronously controls the active ventilation device to improve the microenvironment between plants. Through deep integration of PWM dimming and wireless networking, gridding management and control of the greenhouse environment are realized, the photosynthetic efficiency of the middle and lower parts of plants is effectively improved, the gas diffusion rate is enhanced, the system wiring cost and energy efficiency loss are reduced, and precise agricultural production is realized.
Owner:SHENZHEN LONGMAN SCI & TECH IND

Airbag unit with active venting arrangement

PendingCN122663037AAirbagMechanics
An airbag unit is described. The airbag unit includes an airbag having an outer skin (50), an inflator for inflating the outer skin (50), and a structure including a receiving portion for the airbag, wherein an undeployed airbag is received in the receiving portion. For ventilation of the outer skin of the airbag, an active ventilation arrangement having a first state and an activated second state is further provided. The active ventilation arrangement includes: an opening (52) in the outer skin (50); a covering element (10) having an initial state in which, when the active ventilation arrangement is in its first state, the covering element covers the opening (52) in the outer skin; a tether element extending from a first end portion (40a) attached to the covering element (10) to a second end portion; and a fixing feature to which the second end portion of the tether element is attached. The fixing feature includes an active release arrangement that releases or destroys the tether element upon activation. When the outer skin (50) is fully extended and the second end portion of the tether element (40) is not released or broken, the tether element is under tension and holds the cover element (10) in its initial state, thus placing the active ventilation arrangement in its first state. To provide an active ventilation arrangement that has little or no leakage in the initial first state and provides strong ventilation in the activated second state, the following measures are taken: the cover element (10) is attached to the outer surface of the outer skin (50) by a connector (54) having a first portion (55) and a second portion (56). Furthermore, the free edge (11) of the cover element (10) extends between the two portions (55, 56) of the connector (54). Finally, the cover element (10) is folded along at least a first pair of fold lines such that the cover element in its initial state includes a first side portion (14), a main portion (12), and at least one first clamping portion sandwiched between the first side portion (14) and the main portion (12), wherein the first portion (55) of the connector (54) connects the first side portion (14) to the outer skin (50) (Fig. 16).
Owner:AUTOLIV DEV AB

Multifunctional muscle training instrument for preventing muscle atrophy

The invention relates to the field of electrical stimulation equipment, and discloses a multifunctional muscle training instrument for preventing muscle atrophy, which comprises a flitch plate, a control panel is mounted at one end of the flitch plate, a display screen is mounted at the top of the control panel, a plurality of buttons are arranged at one end of the control panel, a plurality of bearing plates are mounted at one end of the flitch plate, and the bearing plates are connected with the control panel. One end of the bearing plate is electrically connected with a plurality of electrode plates, a lithium battery is arranged in the control panel, and a heat dissipation assembly is arranged in the flitch; the heat dissipation assembly comprises filter screens, the filter screens are symmetrically installed on the two sides of the control panel, and a plurality of motors are installed in the control panel. The motor, the air duct structure and the fan blade assembly are arranged in the control panel, and the porous air pipe structure is arranged in a connected mode, so that a closed-loop type active ventilation cooling system is effectively formed, wind power can be stably conveyed to the contact face of the flitch and the skin, and the local area heat dissipation function is achieved.
Owner:HENAN BEIJIAN HEALTH TECHNOLOGY CO LTD

Motor dustproof device for wood splitting machine

The invention relates to the technical field of firewood chopping machine motor dust prevention, and discloses a firewood chopping machine motor dust prevention device which comprises a dust prevention mechanism, a dust removal mechanism assembled on the front face of the dust prevention mechanism and an air exhaust mechanism assembled on one side of the dust prevention mechanism, the dust prevention mechanism comprises a dust prevention shell, and an output hole is formed in the other side of the dust prevention shell. An annular plate is fixedly installed in the output hole, an air inlet ring is fixedly installed on the front face of the dustproof shell, an air outlet ring is fixedly installed on one side of the dustproof shell, and the dust removal mechanism comprises a filter screen plate installed in the air inlet ring and a wheel carrier installed on the inner wall of the dustproof shell. According to the device, active ventilation and heat dissipation are carried out on the motor without the help of external power, the filter screen plate can be automatically cleaned according to the ventilation condition, dust and wood chips after cleaning can be collected, and meanwhile the heat removal mode of the device can be adjusted in the cleaning process.
Owner:YANGZHOU WEIGAO ELECTROMECHANICAL CO LTD

Backpack with good back ventilation effect

The utility model relates to the technical field of backpacks, in particular to a backpack with a good back ventilation effect, which comprises a backpack body, straps and a ventilation component, the straps are symmetrically arranged on the left side and the right side of the back side of the backpack body, and the ventilation component comprises a cushion, a ventilation head, a machine frame, a cooling fan, an air collecting cover and a ventilation pipe. An L-shaped cushion is further arranged on the back side of the backpack body, a machine frame is embedded in the bottom wall of the cushion, a heat dissipation fan is arranged in the machine frame, and the backpack with the good back ventilation effect constructs an active ventilation system through the built-in heat dissipation fan, the built-in air collection cover, the built-in ventilation pipe and the built-in ventilation head. According to the system, external fresh air can be effectively guided to enter the cushion pad, making contact with the human body, of the back of the knapsack through the vent pipes and then is evenly distributed through the ventilation heads, air circulation of the back is promoted, the air permeability and dryness of the back are greatly improved, and particularly during hot or high-intensity exercise, sweat wetness and discomfort of the back can be remarkably reduced.
Owner:XIAMEN JINLANG PACKING BAG CO LTD

Turbomachine nacelle equipped with an active ventilation vent

Turbomachine nacelle equipped with an active ventilation vent. A turbomachine nacelle includes a ventilation vent (200) comprising: - a first ring (210) defining a ventilation opening (211), - a plurality of blades (220) extending into the ventilation opening of the first ring, each blade (220) having a fixed section (221) and a pivoting section (222), - a second ring (230) movable for rotation, the first ring (210) being rotationally meshed with the second ring (230), - a drive motor for rotating the second ring (230). When the second ring (230) is rotated, the pivoting sections (222) of the blades of the plurality of blades (220) are oriented in a direction (D2) different from the direction (D1) of the fixed sections. Figure for the abbreviation: Fig. 3.
Owner:SAFRAN AIRCRAFT ENGINES SAS

Entrance door with ventilation structure

The entrance door with the ventilation structure comprises an outer door plate and an inner door plate, the outer door plate and the inner door plate are fixedly installed, after installation, a cavity is formed between the outer door plate and the inner door plate, a first ring body and a second ring body are arranged on the inner side of the outer door plate, and the first ring body and the second ring body are arranged on the inner side of the outer door plate. An annular air channel is formed between the first ring body and the second ring body, a plurality of air inlet holes are annularly distributed in the position, located on the inner side of the first ring body, of the plate face of the outer door plate, a stepped hole corresponding to the first ring body is formed in the plate face of the inner door plate, and an air inlet device covers the interior of the stepped hole. The air inlet device corresponds to the inner side of the second ring body, and ventilation holes are evenly distributed in the inner wall of the second ring body. The device can communicate indoor and outdoor for active ventilation.
Owner:XIONGXIONG SECURITY TECH CO LTD

Low-sensitivity area identification method for centralized ventilation control of roadway type incubator

ActiveCN119648966AEffective quantization of temperature control defect degreeReduce the risk of incubation failureCharacter and pattern recognitionAnimal scienceAir volume
The invention belongs to the technical field of data processing, and provides a low-sensitivity area identification method for centralized ventilation control of a roadway type incubator, which specifically comprises the following steps of: firstly, identifying an active ventilation area and a passive ventilation area in the roadway type incubator, and acquiring a temperature image of the passive ventilation area through an infrared thermal imager; the method comprises the steps of extracting a temperature array of an incubation position through a temperature image, then regularly collecting the temperature array and carrying out passive ventilation temperature failure analysis to obtain a failure analysis value, and finally identifying a low-sensitivity area in a roadway type incubator through the failure analysis value, namely an area with temperature regulation quality defects. The failure analysis value is obtained by performing time sequence analysis on the temperature array of each incubation position, so that the temperature control defect degree suffered by each incubation position in the scene of passive ventilation which cannot guarantee complete air volume coverage in the incubation process of the roadway type incubator can be effectively quantified; therefore, identification mathematical support is provided for identifying the low-sensitivity area of the passive ventilation area, the hatching failure risk of the roadway type hatching machine is effectively reduced, the working flexibility and self-adaptability of the hatching machine in an automatic popularization scene are improved, and the breeding management quality and efficiency are further improved.
Owner:ANIMAL SCI RES INST GUANGDONG ACADEMY OF AGRI SCI

All-round type photocatalyst purifier

The utility model belongs to the technical field of air purification, and particularly relates to an all-round type photocatalyst purifier which is characterized in that when the all-round type photocatalyst purifier is used, an active ventilation assembly exhausts air to the outside of a shell, so that a negative pressure environment is formed in the shell, outside air enters the shell and firstly passes through a first filtering assembly, and dust in the air is removed; then the air passes through the second filter assembly, the second filter assembly adsorbs part of harmful substances in the air, then the air passes through the air purification mechanism, the air purification mechanism catalyzes and oxidizes the harmful substances which are not adsorbed by the second filter assembly, and the air purified by the air purification mechanism is discharged out of the shell through the active ventilation assembly. Therefore, air purification is completed. According to the air purifier, harmful substances in the air can be filtered, adsorbed and decomposed, and the air is effectively purified.
Owner:NANCHANG HANGKONG UNIVERSITY

Active ventilation forest musk deer breeding house

ActiveCN224111863Usuitable living environmentair quality conditioningAnimal housingEfficient regulation technologiesAir volumeFishery
The utility model discloses an active ventilation forest musk deer breeding house which comprises a wall body, an air inlet pipe is arranged at an air inlet in the lower side of the left end of the wall body, an exhaust pipe is arranged at an air inlet in the lower side of the right end of the wall body, and the active ventilation forest musk deer breeding house further comprises an air volume adjusting mechanism. The air volume adjusting mechanism comprises a sliding plate, a baffle, a spring and a telescopic rod, sliding grooves are formed in the front inner wall and the rear inner wall of the right side in the air inlet pipe correspondingly, the sliding plate is slidably connected between the two sliding grooves, the baffle is arranged at the right end of the air inlet pipe, and the right side face of the sliding plate is tightly connected with the left side face of the baffle. According to the active ventilation forest musk deer breeding house, when forest musk deer breeding is conducted, the ventilation quantity can be adjusted according to the air quality in the breeding house, the ventilation quantity can be adjusted according to the air quality in the breeding house, and the breeding efficiency is improved. And the air quality in the breeding house is effectively adjusted.
Owner:陇南市野生动植物保护管理站

Ventilation profile for actively ventilating and / or venting a building waterproofing system, building waterproofing system, and methods for actively ventilating and / or venting a building waterproofing system.

The invention relates to a ventilation profile for actively ventilating and / or extracting air from a building waterproofing system, wherein the building waterproofing system protects and / or seals a wall of a building, in particular a house, on an outer surface of the wall by means of a moisture-proof or moisture-resistant protective layer against penetrating moisture from surrounding soil, wherein the protective layer is arranged in a protective layer plane spaced from the wall by means of spacers between the wall and surrounding soil and thus a ventilation space is formed between the protective layer and the wall, wherein a connecting strip is arranged on an upper connecting line of the protective layer along a connecting axis and the protective layer is connected to the wall at an upper connecting line by means of the connecting strip, wherein the connecting strip has at least one fluid-carrying ventilation access to the ventilation space.Furthermore, the invention relates to a building seal with such a ventilation profile and a method for actively ventilating and / or de-ventilating a building seal in several steps.
Owner:WACKERMANN CHRISTIAN

Energy-saving environment-friendly window integrated with active ventilation structure

The invention relates to the technical field of energy-saving and environment-friendly windows, in particular to an energy-saving and environment-friendly window integrated with an active ventilation structure. The system comprises a window frame, a window sash, an active ventilation unit, a sensor unit, a control unit and a power supply unit. A guide rail is arranged in the window frame, and the window sash is installed on the guide rail through a sliding assembly and can slide on the guide rail. The active ventilation unit comprises an air inlet, an air outlet, an air duct, an air volume adjusting valve and a miniature fan. The sensor unit integrates a temperature sensor, a humidity sensor, an air quality sensor, an illuminance sensor and an environment noise sensor, and environment parameters are monitored in real time. The control unit processes data through the central processing unit and automatically adjusts the system state according to an algorithm. The power supply unit is composed of a solar cell panel, a main power supply and a standby power supply to ensure normal operation of the system. The indoor environment can be intelligently adjusted, the air quality is improved, the energy consumption is reduced, and the user comfort is improved.
Owner:YANGZHOU XUGE ENERGY SAVING TECHNOLOGY CO LTD

Intelligent ventilated latex mattress

The invention discloses an intelligent ventilation type latex mattress, and relates to the technical field of latex mattresses, the intelligent ventilation type latex mattress comprises a surface layer and a ventilation assembly, and is characterized in that the ventilation assembly is arranged on the front side of a mattress surrounding layer, the ventilation assembly comprises double centrifugal fans, a filter screen, an air inducing pipe, a butt joint pipe and an exhaust pipe, and external air can be introduced into the mattress after being filtered; meanwhile, an orientation adjusting structure and a moving structure are further arranged and can respectively drive the exhaust pipe to perform angle deflection and front-back reciprocating motion, so that the air supply direction and the coverage range are dynamically adjusted, and uniform and intelligent distribution of airflow in the mattress is realized; the problems that a traditional latex mattress is prone to heat accumulation and uneven in ventilation in a high-temperature environment are effectively solved, and sleeping comfort and health are improved.
Owner:GUANG DONG KEYOUYUN SMART HOME CO LTD

Airbag unit with active ventilation arrangement

An airbag unit is described. This airbag unit comprises an airbag having an outer skin (50), an inflator for inflating said outer skin (50), and a structure comprising an accommodation for the airbag, wherein the un-deployed airbag is accommodated in said accommodation. For ventilation of the outer skin of the airbag, an active ventilation arrangement comprising a first state and an activated second state is additionally provided. This active ventilation arrangement comprises a hole (52) in the outer skin (50), a covering element (10) having an initial state, in which it covers the hole (52) in the outer skin when the active ventilation arrangement is in its first state, a tether element extending from a first end section (40a) being attached to the covering element (10) to a second end section, and an holding feature to which the second end section of the tether element is attached. This holding feature comprising an active release arrangement that releases or destroys the tether element upon activation. When the outer skin (50) is fully deployed and the second end section of the tether element (40) is not released or destroyed, the tether element is under tension and holds the covering element (10) in its initial state, such that the active ventilation arrangement is in its first state. In order to provide an active ventilation arrangement which has only little or no leakage in the initial first state and provides strong ventilation in the activated second state, the following measures are taken: The covering element (10) is attached to the outer surface of the outer skin (50) by means of a connection (54) having a first section (55) and a second section (56). Further, a free edge (11) of the covering element (10) extends between the two sections (55, 56) of the connection (54). Finally, the covering element (10) is folded along at least a first pair of folding lines such that it comprises in its initial state a first side portion (14), a main portion (12) and at least one first sandwiched portion sandwiched between the first side portion (14) and the main portion (12), wherein the first section (55) of the connection (54) connects the first side portion (14) to the outer skin (50) (Fig. 16).
Owner:AUTOLIV DEV AB

Rapid boundary circuit breaker

The invention provides a quick demarcation circuit breaker, and relates to the technical field of demarcation circuit breakers. The circuit breaker comprises a shell, a permanent magnetic mechanism, a ventilation mechanism, an air supply mechanism and a temperature change mechanism. And a ventilation gap is formed between the outer surface of the permanent magnetic mechanism and the inner wall of the shell. The ventilation mechanism is composed of a first blocking assembly and a second blocking assembly which are arranged at the two ends of the ventilation channel. The air supply mechanism is used for supplying air into the ventilation gap. The temperature change mechanism automatically switches states by sensing temperature changes, sequentially drives the blocking assemblies to open the ventilation paths and controls the air supply mechanism to be started at the same time, and heat is rapidly discharged. The structure can actively ventilate and cool in a high-temperature environment and effectively eliminate condensation, and solves the problems that an existing circuit breaker is lagged in heat dissipation response and low in overall performance.
Owner:HUBEI WANGAN TECH

Unit type glass curtain wall ventilation structure

The utility model discloses a unit type glass curtain wall ventilation structure, which relates to the technical field of curtain wall ventilators, and comprises a ventilator main body consisting of a T-shaped shell, a filter grating plate, a ventilation slot and a partition plate, and the partition plate divides the T-shaped shell into a natural ventilation bin and an active ventilation bin; and mounting plates are fixedly mounted on the inner side of the T-shaped shell and distributed in the active ventilation bin, exhaust fans are mounted on the inner sides of the mounting plates, and active ventilation operation can be conducted through operation of the exhaust fans. The partition plate is arranged to divide the interior of the T-shaped shell into the natural ventilation bin and the active ventilation bin, when the wind power of outdoor natural wind is reduced or no natural wind exists, the blocking assembly in the active ventilation bin can be opened, the exhaust fan can be started, the exhaust fan can generate suction force to suck outdoor air into a room, and the ventilation effect is good. And indoor air is exhausted outdoors through the natural ventilation bin, so that the effect of indoor air circulation is achieved, and the ventilation effect of the ventilator can be further improved.
Owner:GUOYUE XINCHENG IND (SHANGHAI) CO LTD

Photovoltaic roof and photovoltaic curtain wall integrated ventilation and heat exchange system and design method

The invention relates to an integrated ventilation and heat exchange system of a photovoltaic roof and a photovoltaic curtain wall and a design method, and belongs to the technical field of ventilation and heat exchange, the system is characterized in that an adjustable steel support is arranged in a photovoltaic roof area, an adjustable ventilation opening is formed in a photovoltaic curtain wall area, and a curtain wall cavity is formed between a photovoltaic curtain wall assembly and a wall body; wherein the adjustable steel bracket adjusts the thickness of the roof ventilation cavity according to the length and inclination angle of a photovoltaic array, and the adjustable ventilation opening optimizes the height of the ventilation opening according to the height and orientation of a curtain wall. When the system monitors that the temperature of the back face of the photovoltaic roof assembly or the back face of the photovoltaic curtain wall assembly or the indoor temperature is too high through a temperature sensor, active ventilation of a roof ventilation cavity and a curtain wall cavity is achieved by driving a cooling fan and adjusting the opening degree of a ventilation opening; the active ventilation can timely discharge the heat in the cavity, effectively reduces the temperature of the roof ventilation cavity and the curtain wall cavity, further reduces the working temperature of the photovoltaic module, finally prolongs the service life of the photovoltaic module, and improves the photoelectric conversion efficiency of the photovoltaic module.
Owner:ANHUI UNIVERSITY OF ARCHITECTURE

Active ventilation and exhaust system for underground powerhouse in construction period

The invention provides an active ventilation and exhaust system for an underground powerhouse in a construction period, which relates to the technical field of underground engineering construction and comprises an air supply mechanism, a wind power acceleration mechanism and an air draft mechanism. The air supply mechanism is used for conveying air to a construction area, the wind power acceleration mechanism increases the airflow velocity, and the air draft mechanism exhausts contaminated air. The system is provided with the first air exhaust channel, the second air exhaust channel and the combined air exhaust channel, efficient air exhaust is achieved, the temporary air exhaust channel is connected with the ventilation inclined shaft, and the ventilation range is expanded. A separation shielding mechanism is further included, a shielding assembly forms an inclined flow guide face under the action of wind power and shields the maintenance hole, the ventilation efficiency is improved, and construction dust hazards are reduced. The system optimizes the ventilation path, improves the air flowing efficiency, improves the working environment and ensures the construction safety.
Owner:中国水利水电第七工程局有限公司

Active ventilation door

The utility model discloses an active ventilation door and relates to the technical field of doors and windows. The active ventilation door comprises a door leaf, the door leaf is provided with a cavity, an air inlet channel and an air exhaust channel, the cavity penetrates through the two opposite sides of the door leaf in the thickness direction of the door leaf to form an opening structure, and the air inlet channel and the air exhaust channel both extend and penetrate through the door leaf in the thickness direction of the door leaf to form an air opening structure; the air inlet channel and the air exhaust channel are both provided with the fan assemblies; the two opposite sides of the air inlet channel and the two opposite sides of the air exhaust channel are each provided with the corresponding sealing plate assembly used for opening and closing the air opening structure. And the telescopic assembly is arranged in the cavity, the movable end of the telescopic assembly penetrates through the opening structure to be connected with the sealing plate assembly, and the telescopic assembly can drive the sealing plate assembly to linearly move in the thickness direction of the door leaf so as to control opening and closing of the air inlet channel or the air exhaust channel. According to the utility model, active ventilation can be realized, and excellent sound insulation, heat insulation and heat preservation functions and an indoor space privacy protection effect can be provided.
Owner:FOSHAN QITE TECH CO LTD

Turbomachine nacelle equipped with an active ventilation vent

Turbomachine nacelle equipped with an active ventilation vent. A turbomachine nacelle includes a ventilation vent (200) comprising: - a first ring (210) defining a ventilation opening (211), - a plurality of blades (220) extending into the ventilation opening of the first ring, each blade (220) having a fixed section (221) and a pivoting section (222), - a second ring (230) movable for rotation, the first ring (210) being rotationally meshed with the second ring (230), - a drive motor for rotating the second ring (230). When the second ring (230) is rotated, the pivoting sections (222) of the blades of the plurality of blades (220) are oriented in a direction (D2) different from the direction (D1) of the fixed sections. Figure for the abbreviation: Fig. 3.
Owner:SAFRAN AIRCRAFT ENGINES SAS

Active camera heat dissipation mechanism

ActiveCN223006370UCamera body detailsActive cameraMechanical engineering
The utility model relates to the technical field of photography accessories, in particular to an active camera heat dissipation mechanism which comprises a connecting frame used for being fixedly connected with a camera. The mounting cavity is arranged in the connecting frame and is communicated with one port of the camera heat dissipation channel; the active ventilation assembly is arranged in the mounting cavity and is communicated with the external environment; according to the utility model, through mutual cooperation among the connecting frame, the mounting cavity and the active ventilation assembly, the camera can be matched with a heat dissipation channel of the camera, air can actively flow through the heat dissipation channel of the camera rapidly, heat in the camera can be rapidly dissipated to the external environment, the structure is simple and compact, the heat dissipation effect is good, and the service life of the camera is prolonged. And the phenomenon of overheating crash can be effectively avoided.
Owner:SHENZHEN XIAOSUN ZHICHUANG TECH CO LTD

Cab structure with ventilation system

The invention discloses a cab structure with a ventilation system, and relates to the field of cabs. The ceiling is fixed at the top of the inner cavity of the cab main body; the main pipeline is arranged at the top of the ceiling, and one end extends into the ceiling; the main air opening is formed in the edge of the bottom of the ceiling and communicates with the main pipeline; the auxiliary pipeline is arranged at the top of the ceiling, and one end penetrates through the ceiling and is communicated with the interior of the cab; the main fan is mounted in the main pipeline; the main pipeline, the auxiliary pipeline and the main air opening communicated with the main pipeline are arranged, the main draught fan and the auxiliary draught fan are installed in the main pipeline and the auxiliary pipeline, when the draught fans work, active ventilation of the interior of the cab can be achieved, the main draught fan and the auxiliary draught fan can both rotate forwards and backwards, and different ventilation modes can be achieved.
Owner:ZHEJIANG ZHENGQI ELECTRIC CO LTD

Energy storage unit with active ventilation system and associated method

An energy storage unit capable of controlling a thermal runaway, comprising an enclosure for housing battery modules for energy storage, a movable panel configurable between a closed position and an open position, a controllable actuator, connected to the movable panel, for moving the movable panel from the closed position to the open position, at least one sensor capable of measuring environmental parameters of the interior of the enclosure and a control unit connected to the sensor and the controllable actuator, for automatically activating the actuator and moving the panel from the closed position to the open position when at least one of the measured environmental parameters is indicative of thermal runaway, so that heat and explosive gases generated by the thermal runaway can escape outside the enclosure. A method for controlling a thermal runaway phenomenon of an energy storage unit comprising battery modules is also described.
Owner:STOCKAGE DENERGIE EVLO INC

Round-table-shaped piston electric switch type active ventilation opening

The utility model provides a circular-truncated-cone-shaped piston electric switch type active ventilation opening, and belongs to the technical field of ventilation opening equipment. The in-wall ventilation pipeline is in a big-end-down circular truncated cone shape and is made of a polypropylene plastic plate or glass fiber reinforced plastic; the fan communicates with the outer side of the ventilation pipeline in the wall body and is located outdoors; the piston is in a big-end-down circular truncated cone shape matched with the ventilation pipeline in the wall body, is located indoors and is used for improving the sealing performance between the piston and the ventilation pipeline in the wall body; and the driving device is used for driving the piston to axially move along the ventilation pipeline in the wall body. The fan is arranged outside, the piston is arranged indoors, the piston moves from bottom to top to achieve extrusion type sealing, the ventilation pipeline in the wall is made of polypropylene plastic plates or glass fiber reinforced plastics, the service life of the fan can be prolonged, the piston is prevented from being quickly frozen under the conditions of cold and high humidity, heat conduction is reduced, and the service life of the fan is prolonged. And the adhesion phenomenon of the piston and the iron ventilation pipe wall during pre-cooling and wetting is prevented.
Owner:HORTICULTURE BRANCH OF HEILONGJIANG ACAD OF AGRI SCI

Breathable rubber sole

The utility model belongs to the technical field of rubber shoe soles, and discloses a breathable rubber shoe sole which comprises a shoe sole body, a breathable insole is arranged on the shoe sole body, a breathable channel is formed in the shoe sole body and located at the bottom of the breathable insole, a ventilation assembly is arranged on the shoe sole body and located on one side of the breathable channel, and the breathable insole is arranged on the shoe sole body. The ventilation assembly is close to the heel; the ventilation assembly comprises a ventilation cylinder, the ventilation cylinder is embedded and fixedly installed in the shoe sole body, and a connecting rod is arranged at the top of the ventilation cylinder in a penetrating mode. According to the scheme, through mutual cooperation of the breathable insole, the breathable channels and the ventilation assembly, the rubber sole has the breathable function, through cooperation of a stress elastic piece, a connecting rod, a piston, a spring, a first air pipe and a second air pipe in the ventilation assembly, the rubber sole has the active ventilation function, and the breathable effect of the sole is further improved; the comfort and the adaptability of the sole are enhanced, and a healthier and more comfortable wearing experience is provided for a wearer.
Owner:JINXI XIONGBANG SHOES CO LTD