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168 results about "Open air" patented technology

A control cabinet for smart grid

PendingCN122456351ASmart gridPower grid
The application provides a control cabinet for smart grid, and belongs to the technical field of control cabinets. The control cabinet comprises a cabinet body, a refrigerating machine fixedly connected to the upper wall of the cabinet body, an external pipeline I arranged on one side of the refrigerating machine, an external pipeline II arranged on the other side of the refrigerating machine, an openable cabinet door arranged on the front side of the cabinet body, an air flow assembly arranged on the inner wall of the cabinet door and the cabinet body, an assembly component arranged in the cabinet body, and a heat removal unit arranged on the rear side of the cabinet body and connected to the air flow assembly. The application solves the problem that the control cabinet for smart grid is usually cooled by open air cooling, and external air is introduced into the cabinet by a fan to reduce the temperature. However, this method is prone to cause dust, water vapor and pollutants in the external environment to enter the cabinet body, thereby polluting electrical components.
Owner:BEIJING LONGSHENG CHUANGXING TECH CO LTD

Open type air-cooled hydrogen fuel cell stack with vibration self-cleaning function

The invention relates to the field of hydrogen fuel cell stacks, in particular to an open type air-cooled hydrogen fuel cell stack with a vibration self-cleaning function. Comprising a shell and a cell stack, the cell stack is composed of two side end plates and a plurality of bipolar plates, a cathode flow channel is formed between every two adjacent bipolar plates, the cooling fan is installed on one side of the shell, an installation frame and two side guide rods are arranged at the corresponding positions of the shell, and the two side guide rods are connected with the installation frame. The guide rods are arranged between end plates on the two sides of the cell stack in a penetrating mode in the stacking direction of the cell stack, the periphery of each guide rod is sleeved with an elastic layer, the vibration mechanism is arranged on the installation frame, and the vibration mechanism comprises a vibration generator, a vibration transmission structure connected with the vibration generator and a water collecting tank. The vibration generator is driven by air flow generated by the cooling fan, high-frequency micro-amplitude vibration self-cleaning of each bipolar plate is achieved in combination with the vibration transmission structure, and water films and particles in a cathode flow channel are effectively stripped and collected by the bottom water collection tank in a centralized mode.
Owner:XIE HYDROGEN (SHANGHAI) NEW ENERGY TECH CO LTD

Resetting and reinforcing device for broken rock mass of stone cultural relics

The utility model relates to the field of rock mass restoration, in particular to a rock mass restoration and reinforcement device for broken rock mass of stone cultural relics, and provides the following scheme aiming at the problem that the rock mass restoration and reinforcement device in the prior art has excessive intervention on a rock mass structure: the rock mass restoration and reinforcement device comprises a vertical supporting mechanism, the first jacks are fixed to the top face of the mounting plate, the supporting columns are detachably mounted on the bottom face of the mounting plate, and a mounting groove is formed in one end of the mounting plate; the side edge supporting mechanism comprises a movable plate movably arranged in the mounting groove, a fixed plate fixed to the top face of the movable plate, a second jack hinged to the outer wall of the side, close to the mounting plate, of the fixed plate, and a telescopic rod mounted at the output end of the second jack. The bottom and the side edges of a damaged rock mass can be conveniently supported, interference and damage to the rock mass are reduced, the whole device can be conveniently stored and transferred, and great convenience is brought to outdoor use of a user.
Owner:LIAONING NONFERROUS FOUNDATION ENG CO

Air valve based on memory alloy driving and air valve module

The utility model provides an air valve and an air valve module based on memory alloy driving, which comprise a shell, an air cavity is arranged in the shell, and two opposite ends of the air cavity are respectively provided with a normally open air port and a normally closed air port; an actuating piece is arranged in the air cavity and comprises a movable arm, a fixed arm and an elastic part for connecting the movable arm and the fixed arm; the movable arm extends towards one side, a plug is arranged at the free end of the movable arm, the plug is located between the normally-open air opening and the normally-closed air opening and connected with one end of a memory alloy wire, and the other end of the memory alloy wire is connected to the position, close to the elastic part, of the fixed arm. The memory alloy wire deforms after being powered on to drive the plug to move, and therefore opening and sealing closing of the normally-open air opening and the normally-closed air opening are achieved. The air valve has the advantages of being simple in structure, fast in response, accurate in control, low in power consumption, small in size, long in service life and the like, and is suitable for the fields of industrial automation, medical instruments, aerospace and the like.
Owner:SHENZHEN XINGHEQUAN RESIDENTIAL QUARTER MATERIALS CO LTD

Fan with detachable battery

The utility model relates to a fan with a detachable battery, which comprises a fan main body, the fan main body is provided with a mounting panel, the mounting panel is provided with a first power-on interface and a rechargeable battery pack arranged on the mounting panel, the rechargeable battery pack comprises a second power-on interface, and the second power-on interface is provided with a first power-on interface and a second power-on interface. The second power-on interface is electrically connected with the first power-on interface, and the rechargeable battery pack is detachably connected with the mounting panel through a clamping structure. According to the fan with the detachable battery, due to the fact that the detachable rechargeable battery bag connected in the clamping mode is arranged, the fan can work without an external power source, the portability of the fan is improved, and a user can use the fan outdoors or in the place without a power socket.
Owner:JIANGMEN NOSTOP ELECTRIC CO LTD

Luggage locker drawing assembly

ActiveCN224476764USimple structureeasy to carrySoftware engineeringBody support device
The utility model relates to a luggage cabinet drawing assembly, including cabinet body and cabinet door, and cabinet body is provided with cabinet body support device, drawing board and drawing board support device, is provided with folding telescopic seat in the cabinet body, and the cabinet body is provided with folding telescopic support plate. The utility model discloses a luggage cabinet drawing assembly, simple structure, convenient to carry, integrates drawing frame, drawing board, drawing workbench and drawing seat, can carry all drawing tools, when drawing sketching in the open air, is more convenient, creates good condition for drawing.
Owner:张子璐

Open type air duct internal storage radiator

The invention relates to the technical field of heat dissipation, in particular to the technical field of heat dissipation of personal computers, workstations and servers, and particularly relates to an open type air duct memory radiator. The radiator comprises radiating fins, a limiting component and a heat-conducting medium, wherein the radiating fins, the limiting component and the heat-conducting medium surround a memory bank to form an open air duct. The cooling fins are symmetrically arranged on the two sides of the memory bank; the limiting component is arranged between the two cooling fins and abuts against the top of the memory bank. And the heat-conducting medium is arranged on a memory chip of the memory bank and is in contact with the inner surfaces of the adjacent cooling fins. According to the internal memory radiator, internal accumulated heat is reduced through the open air duct, and the air flowing efficiency is improved; and heat generated during operation of the memory bank is directly conducted to the cooling fins through the heat-conducting medium, so that the heat conduction efficiency is improved. The flow guide type design of an open type air channel is combined with the direct heat conduction design, efficient heat dissipation is achieved, and stable operation of the memory bank is guaranteed.
Owner:殷文涛

Multi-source energy storage type photovoltaic energy-saving type mushroom house heat pump drying device

The present application relates to the technical field of photovoltaic devices, and discloses a multi-source energy storage type photovoltaic energy-saving mushroom house heat pump drying device, which comprises a mushroom house, a heat pump and an energy storage device arranged on the left side of the mushroom house, and further comprises a cleaning part, a cleaning part and a vibration part; the cleaning part is installed on the mushroom house; the cleaning part is arranged on the mushroom house; the vibration part is installed on the top of the mushroom house; the cleaning part comprises a cleaning assembly and a collecting assembly; the cleaning assembly and the collecting assembly are arranged on the mushroom house; the cleaning assembly comprises a fixing block, an adjusting plate, a photovoltaic panel, a triangular block group one, a motor one and a screw rod. The present application solves the problem that the existing photovoltaic energy-saving mushroom house heat pump drying device is in the open air for a long time, and the photovoltaic panel is easily covered with dust and other impurities, which will cause the photoelectric conversion efficiency of the photovoltaic panel to decrease significantly, thereby affecting the power generation capacity of the whole device and the economy of the drying operation.
Owner:RANKINE POWER TECH (NANTONG) CO LTD

Air escape valve, adsorption device, base station and window cleaning robot system

The utility model relates to the technical field of small household appliances for daily use, and discloses an air escape valve, an adsorption device, a base station and a window cleaning robot system. In the air release valve, a vent hole is formed in the first end of a shell; the shell is provided with an air leakage hole; the first end of the pull rod is inserted into the shell and connected with the sealing gasket; the pull rod is used for pushing the sealing gasket to seal the vent hole and / or pulling the sealing gasket to open the vent hole so as to communicate with the deflation hole for deflation. The base station comprises a base station body and the adsorption device. Wherein the air release valve is arranged in the base station body; the suckers are arranged at the bottom of the base station body and used for being adsorbed to the surface of an object to fix the base station body. According to the technical scheme, the air release valve controls the pull rod to push the sealing gasket to seal the vent hole, and the sealing gasket is pulled to release air from the air release hole. The air release valve can be closed and opened by directly operating the pull rod, so that adsorption and release of the sucker are controlled; the air release valve is simple, convenient and fast to operate and has no potential safety hazard.
Owner:BEIJING HUTT INTELLIGENT TECH CO LTD

Surrounding air outlet structure for air purifier

The utility model discloses a surrounding air outlet structure for an air purifier, relates to the technical field of air purifiers, and specifically comprises a shell, an air inlet net, an air outlet net and a top cover, the shell comprises an outer shell, a supporting part and an inner shell, the inner shell is located in an inner cavity of the outer shell, and the top of the outer shell is connected with the top of the inner shell through the supporting part; a stepped groove is formed in the outer side of the connecting portion of the shell and the supporting portion, a round corner is arranged on the outer side of the connecting portion of the shell and the supporting portion, sealing blocks are evenly arranged on the top of the supporting portion, and an inserting groove is formed between every two adjacent sealing blocks. According to the surrounding air outlet structure for the air purifier, the air outlet net is provided with the air outlet flow guide design, so that 360-degree surrounding air outlet of the air purifier product is achieved; the lateral blowing scheme can reduce dust entering the machine, and the using effect is improved. Through the mechanical sealing design, the sealing contact end face is increased, the sealing effect is improved, and the sealing effect is stable and reliable.
Owner:WUHU WEISKAR INTELLIGENT TECHNOLOGY CO LTD

Emulsifier fine powder grinding device

The utility model relates to the technical field of emulsifier grinding, in particular to an emulsifier fine powder grinding device which comprises a grinding box and a feeding pipe fixedly connected to the top end of the grinding box and communicated with the grinding box, and an air inlet valve fixedly connected to the top end of the grinding box and communicated with the grinding box is arranged on one side of the feeding pipe. According to the powder material discharging device, through the arrangement of the air inlet valve, the discharging electromagnetic valve, the sealing box, the exhaust assembly, the storage table, the transparent cabinet door and the collecting box, when powder materials need to be discharged, the air inlet valve and the discharging electromagnetic valve are opened, an air pump is started, the sealing box is sealed, and the sealing box is sealed; powder materials on the inner side of the grinding box are rapidly discharged into the collecting box through the discharging electromagnetic valve, discharging of the powder materials can be accelerated through the design of the air inlet valve and the connecting assembly thereof, the working efficiency is improved, solid dust on the inner side of the sealing box can be blocked through the design of the exhaust assembly and the connecting assembly thereof, and the situation that dust flies and harms the health of workers is avoided.
Owner:ZHANGJIAGANG GREAT CHEM

Adjustable vulcanized rubber trimming device capable of assisting in normalizing

The utility model discloses an auxiliary regular adjustable vulcanized rubber trimming device which comprises an operation table and a base fixedly installed on the periphery of the bottom of the operation table. The trimming mechanism is arranged at the top and the bottom of the operation table, is used for trimming rubber and comprises a placement plate which is mounted at the top of the operation table in a penetrating manner, a vulcanized rubber part is placed at the top of the placement plate, and brackets are fixedly mounted on the periphery of the top of the operation table; by means of the arrangement of the trimming mechanism, the vulcanized rubber part is placed on the top of the containing plate, an air pump is started to work, the air pump conducts negative pressure on the interior of a water tank through communication of a connecting pipe and the water tank, the pressure is transmitted into the containing plate through a vertical pipe and a communicating shell, and the vulcanized rubber part is adsorbed and fixed through a hole in the top of the air pump; the situation that the surface of the vulcanized rubber part is shielded by conventional clamping and fixing, and the trimming precision of the vulcanized rubber part is affected is avoided.
Owner:YANGZHOU RUNFA RUBBER & PLASTIC CO LTD

Air duct component and cabinet air conditioner

The invention provides an air duct component and a cabinet air conditioner, and belongs to the field of air conditioners. The air duct component comprises an upper air duct component and a lower air duct component, the upper air duct component comprises an upper fan air duct with an upper air duct opening formed in the top, the lower air duct component comprises a lower fan air duct with a lower air duct opening formed in the bottom, and the air duct component forms a single lower air supply path with the upper air duct opening for air inlet and the lower air duct opening for air outlet. A single upper air supply path with lower air duct opening air inlet and upper air duct opening air outlet is further formed in the air duct component. And the heat exchange component is connected between the bottom of the upper air duct component and the top of the lower air duct component, located on the single lower air supply path and the single upper air supply path of the air duct component and used for conducting heat exchange treatment on airflow when the air duct component supplies air along the single upper air supply path or the single lower air supply path. According to the air duct component, air flow can be fully contacted with the heat exchange component for heat exchange no matter the air duct component is in an upper air inlet and lower air outlet mode or in a lower air inlet and upper air outlet mode.
Owner:GREE ELECTRIC APPLIANCE INC OF ZHUHAI

Outdoor safety armored tent with protective structure

The utility model discloses an outdoor safety armored tent with a protection structure, which comprises a left frame and a right frame, a plurality of cross rods are arranged between the left frame and the right frame, the left frame and the right frame are connected into a whole by the plurality of cross rods to form a tent skeleton, and a layer of tent cloth is paved on the surface of the tent skeleton; protection mechanisms are mounted on the side edges of the tent framework; the protection mechanism comprises a protection net plate, the protection net plate is used for protection, in this way, besides the tent cloth, a layer of metal net plate is arranged for protection, in this way, attacks of wild animals are avoided during field camping, good safety is achieved, the protection net plate is provided with a plug pin inserted into a positioning cylinder, and the safety of the tent is improved. Therefore, the device is convenient to mount and dismount.
Owner:YANGZHOU RUIAN ELECTRICAL EQUIPMENT CO LTD +1

Portable storage box for biomedical experiment

ActiveCN224117882UAvoid the problem of carrying multiple storage boxes separatelyImprove experimental convenienceNon-removalbe lids/coversContainers to prevent mechanical damagePetri dishPipette
The portable storage box for the biomedical experiment comprises a main box and a cover plate rotationally installed on the top of the main box, inserting grooves are formed in the two sides of the main box, a culture dish containing box and a pipettor containing box are inserted into the two inserting grooves, lock catches are arranged on the outer side walls of the culture dish containing box and the pipettor containing box, and the outer side walls of the culture dish containing box and the pipettor containing box are connected with the lock catches. The culture dish containing box and the pipettor containing box are connected with the main box in a buckled mode through lock catches, and the culture dish containing box and the pipettor containing box are connected with the main box in a buckled mode through the lock catches. The two auxiliary boxes can be fixed through the lock catches arranged on the two sides of the outer side wall of the main box, so that modular disassembly and combination are achieved, the problem that an experimenter needs to carry a plurality of storage boxes for an outdoor trip experiment is solved, and the outdoor experiment convenience of the experimenter is improved.
Owner:NANJING WEIXIN YUNZHI BIOTECHNOLOGY CO LTD

Constant temperature planting box for seed production with temperature regulation

The utility model provides a kind of constant-temperature planting box for seed production with temperature regulating effect, belong to agricultural planting technical field, including constant-temperature incubator, the air vent being connected to the top of constant-temperature incubator, the door being hinged to the outside of constant-temperature incubator, and the control panel being adapted to install on the outer surface of constant-temperature incubator;Heat dissipation mechanism, including the drive assembly for sending out the excess heat in constant-temperature incubator.This utility model can drive centrifugal component to produce centrifugal force by drive assembly to produce wind force when the temperature of constant-temperature incubator rises and needs to dissipate heat, automatically drive sealing disc to rotate and open air vent by centrifugal force, and when there is no need to dissipate heat, drive assembly is closed and centrifugal force disappears, centrifugal component resets by its own gravity, drives sealing disc to close air vent, to avoid excessive heat loss or too much external heat from entering, to provide stable and suitable growth temperature environment for seeds.
Owner:SHANDONG PEIZHUO SEED IND CO LTD

Wall-mounted air conditioner indoor unit

The utility model relates to the technical field of air conditioners, in particular to a wall-mounted air conditioner indoor unit, and aims to solve the problem that dust is easy to accumulate when a dust filter screen at an air inlet of an existing wall-mounted air conditioner indoor unit is not used. In order to achieve the purpose, the utility model provides the wall-mounted air conditioner indoor unit, which comprises a unit body, an air inlet, an air outlet and an air outlet, the baffle assembly comprises a baffle body and a driving mechanism, the driving mechanism is connected with the machine body and the baffle body, and the driving mechanism is arranged to enable the baffle body to translate in the direction away from the machine body and then overturn outwards along the axis parallel to the length direction of the machine body; therefore, the baffle body is switched from the state of closing the air inlet to the state of opening the air inlet. The baffle assembly not only can prevent dust from entering the air inlet in the non-use period, but also can be suitable for the curved-surface-shaped air inlet, and therefore the baffle assembly is suitable for the air conditioner indoor unit with the unique shape.
Owner:QINGDAO HAIER AIR CONDITIONING ELECTRONICS CO LTD +2

Efficient energy-saving vertical coal quality activated carbon calcination furnace with multi-layer heat insulation structure

The utility model relates to activated carbon processing technical field discloses a kind of efficient energy-saving vertical coal quality activated carbon calcining furnace of multilayer heat insulation structure, comprising: the support seat of supporting main body, the inner wall of the support seat is fixedly connected with combustion furnace, the top of the combustion furnace is fixedly connected with fixed box, the top of the fixed box is fixedly connected with first motor, the drive end of the first motor is fixedly connected with rotating rod and is penetrated through fixed box, the outer wall of the rotating rod is fixedly connected with connecting plate.The utility model in this paper, rotating rod is driven by first motor, rotating rod drives connecting plate, connecting plate rotates, gear and gear ring cooperate to drive rotating shaft, rotating rod and rotating shaft drive stirring plate to stir, then open air heater to make it suck external air and heat, air will enter from air inlet and then be discharged from air outlet, so that each particle or each layer of raw material can receive heat evenly, which helps to improve the stability of calcination effect and product quality.
Owner:XINJIANG TONGLIHE RING MATERIAL TECH CO LTD

Novel drilling device

The invention discloses a novel drilling device which comprises a center shell, a high-speed fan, a flow distribution cover, a cooling component, a rotary component, a flow dividing sleeve, a connector and a multi-stage drill bit. The stepped multi-stage drill bit design is adopted to disperse cutting heat, and a multi-cooling system for directly cooling the drill bit through closed liquid cooling and pre-cooling the edge of the drill bit and cooling liquid through open air cooling is combined, so that the surface temperature of the drill bit during drilling is effectively reduced, the service life is remarkably prolonged, and the cost is saved.
Owner:AVIC XIAN AIRCRAFT IND GRP CO LTD

Air distribution plate structure for hydrocyanic acid fluidized bed reactor

ActiveCN224100679UChemical/physical processesPtru catalystHCN poisoning
The utility model relates to the field of fluidized bed reactor structural members, in particular to an air distribution plate structure for a hydrocyanic acid fluidized bed reactor, which comprises a distribution plate main body, the plurality of air distribution pipes are distributed in an array manner, are vertically fixed on the distribution plate main body and are used for introducing air; the plurality of flow guide caps are fixed on the distribution plate main body and are arranged above the tops of the air distribution pipes in a one-to-one correspondence manner, a horizontally through air guide cavity with openings at two ends is formed between the flow guide caps and the distribution plate main body, and any two adjacent flow guide caps are arranged in a 90-degree staggered manner; and therefore, horizontal airflow sprayed from one flow guide cap can be directly blown to the side surface of the adjacent flow guide cap. Compared with the prior art, uniform fluidization of the whole catalyst bed layer can be effectively guaranteed, the problem that a traditional distribution plate is prone to material accumulation is thoroughly solved, the phenomena of local overheating and channeling are avoided, and the gas-solid contact efficiency is improved.
Owner:SHANGHAI ZHIYING CHEM TECH CO LTD

Automobile lamp integrated with multi-channel heat dissipation

The application relates to the field of automobile accessories and discloses an automobile lamp integrated with multiple channels for heat dissipation, which comprises a lamp part fixing mechanism located at a tail end sealing sleeve ring and used for constituting main light emitting elements of the automobile lamp; an inertial driving mechanism located at a center sleeve and matched with a metal temperature guide sleeve and an output air hole of a head end sealing sleeve ring and used for moving opening and closing by using front pushing inertia generated during automobile braking; an open air inlet mechanism located at the center sleeve and matched with an opposite adhering groove of the center sleeve, a sleeve joint frame and a traction card shaft and used for being opened when the inertial driving mechanism is pushed to move, so as to form a heat dissipation air inlet. Through the braking behavior, not only the deceleration signal of the vehicle, but also the direct source of high heat generated by the automobile lamp (especially the brake lamp used frequently), perfect synchronization of "heat generation and heat dissipation" is realized, which is a pure physical feedback and does not need any temperature sensor or ECU (electronic control unit) electronic control unit intervention.
Owner:ZHEJIANG HONGGUAN LIGHTING TECH CO LTD

A reversing device of a pneumatic booster pump and a booster pump

ActiveCN224550306UEnsure boosting efficiencyAvoid the risk of reset lag or even failureControl valvesOpen air
The utility model discloses a kind of reversing devices of pneumatic control pressure boost pump, including the pressure boost piston being arranged in pressure boost cylinder, the rear end of pressure boost cylinder is equipped with the reversing valve core of axial extension and perpendicular to axial first gas hole, second gas hole, third gas hole, first gas hole and second gas hole are respectively communicated pneumatic control valve, first gas hole is always open air hole;Reversing valve core is equipped with communication groove;Pressure boost piston connects reversing valve core;Pressure boost piston moves reversely and pushes reversing valve core, so that communication groove is communicated first gas hole and second gas hole, gas in first gas hole enters pneumatic control valve and promotes its reversing;Pressure boost piston moves forward and makes communication groove be communicated second gas hole and third gas hole, gas in second gas hole is discharged from third gas hole and promotes pneumatic control valve reversing.The reversing device of the reversing device of pneumatic control pressure boost pump and the piston stroke linkage of pressure boost pump, and pneumatic control valve reversing is controlled by pneumatic mode, structure is ingenious, few parts, high reliability, action is stable, guarantee the pressure boost efficiency of gas pressure boost pump.
Owner:广东久力气动液压有限公司

Vacuum release valve

The utility model relates to a kind of vacuum release valves, setting valve body;Valve body two end surfaces are respectively set up intercommunication valve body hole and air outlet hole;Valve body hole is equipped with valve core;Valve core upper part plugs valve body hole, and lower part is formed with the second chamber between valve body hole inner wall;Valve core two end surfaces are respectively set up valve core hole and piston hole;Valve core outer wall located in the second chamber is respectively set up with first connecting hole and second connecting hole;First connecting hole is communicated with valve core hole;Second connecting hole is communicated with piston hole;Piston hole is slidably set piston;Piston is composed of sliding part and push part;Sliding part is located above second connecting hole;Piston and piston hole bottom wall are equipped with spring;The area of push part bottom surface is greater than air outlet hole orifice area, under the spring elastic pressure, push part plugs air outlet hole, or push part is separated from air outlet hole under the action of positive pressure air, open air outlet hole.The utility model has the advantages of high airtightness, no negative pressure gas leakage, improve the stability of suction cup etc..
Owner:HANWA VACUUM TECH (WUXI) CO LTD

Method and apparatus for compensating for atmospheric distortion

An atmospheric distortion compensator for a free space optical beam comprising: a disc that is rotationally balanced about a center point and that comprises a phase-modifying structure; an optical beam source configured to generate a free space optical beam that propagates through the disc and then through turbulence in open air to a point in space where reducing scintillation is desired, wherein the point in space is separated from the disc only by the open air; and a rotator mechanically coupled to the disc's center point and configured to spin the disc about an axis parallel to the free space optical beam, wherein the disc, when spinning, is configured to control a property of the free space optical beam thereby reducing scintillation effects as experienced at the point in space, which effects are caused by propagation of the free space optical beam through the open air.
Owner:THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE NAVY

Non-motor vehicle charging device matched with fire extinguishing equipment

The utility model discloses a non-motor vehicle charging device matched with fire extinguishing equipment, which comprises a pile frame main body, a plurality of groups of charging interfaces are symmetrically arranged on the pile frame main body, an electrical module and a fire-fighting assembly are arranged in the middle of the pile frame main body, and the electrical module is electrically connected with the charging interfaces and the fire-fighting assembly. The pile frame main body is supported by a steel structure and is safe, stable, fireproof and flame-retardant, a plurality of groups of waterproof charging interfaces are preset on the pile frame main body, the appearance is attractive and practical, and the middle part of the pile frame main body is provided with the electrical module for monitoring and the box-type fire extinguishing equipment storage box made of a stainless steel material; the phenomenon that fire-fighting equipment is accelerated to age when being placed in the open air can be effectively prevented, meanwhile, the fire-fighting equipment can be conveniently taken, and fire accidents caused by non-motor vehicle outdoor charging are effectively reduced.
Owner:SHANGHAI YILIN CONSTR ENG CO LTD

Methods and systems for improving temperature uniformity in air-cooled proton exchange membrane fuel cell stacks

This invention belongs to the field of fuel cell technology and discloses a method for improving the temperature uniformity of an air-cooled proton exchange membrane fuel cell stack. The method includes: S1, configuring an adjustable-direction fan assembly and other functional components such as temperature sensors and controllers for the cathode-open air-cooled proton exchange membrane fuel cell stack as the working object; S2, starting the stack and controlling the fan assembly to run in the initial direction; S3, acquiring real-time temperature data at the inlet and outlet of the stack and calculating the current absolute value of the temperature gradient; S4, combining the real-time absolute value of the temperature gradient with a preset uniformity threshold to determine whether to switch the rotation direction of the fan assembly. This invention also discloses a corresponding system. Through this invention, the fixed temperature gradient at the cathode of the air-cooled fuel cell stack caused by traditional unidirectional cooling is broken, thereby improving the overall temperature uniformity inside the air-cooled fuel cell stack and extending its service life.
Owner:HUAZHONG UNIV OF SCI & TECH

VOCs waste gas treatment device and method for memory bank processing

The invention relates to the technical field of waste gas treatment, and discloses a VOCs waste gas treatment device and method.The VOCs waste gas treatment device for memory bank processing comprises a purification tower, an input pipe arranged on the lower portion of the outer side of the purification tower and a clean inlet pipe arranged on the upper portion of the outer side of the purification tower; the cleaning outlet pipe is arranged at the bottom of the purification tower, and the adsorption assembly and the cleaning auxiliary assembly are arranged in the purification tower. According to the VOCs waste gas treatment device for memory bank processing, by arranging the cleaning auxiliary assembly, during desorption, hot air firstly flows through air vents and then penetrates through an activated carbon plate to purify adsorbed impurities, and meanwhile, the opened air vents sequentially slide on the surface of the activated carbon plate, so that the activated carbon plate is completely covered, and the service life of the activated carbon plate is prolonged. Hot air can uniformly flow through all parts of the activated carbon plate, so that comprehensive desorption is realized, and the situation that the desorption effect on a severely blocked area is reduced due to the fact that the hot air preferentially flows through a smoother circulating part is avoided.
Owner:LINGRUI TECH (SHENZHEN) CO LTD

Food processor

The utility model discloses a food processer, which comprises a base provided with a mounting cavity, and a pushing structure arranged in the mounting cavity of the base; the processing cup assembly is detachably mounted in the mounting cavity and comprises a cup body, a stirring knife, a cover body, a driving motor, a control panel and a cooling fan, the stirring knife is arranged in the cup body, and the cover body is connected to the bottom of the cup body and is provided with a containing cavity used for mounting the driving motor, the control panel and the cooling fan; two ends of an output shaft of the driving motor are respectively connected with the stirring knife and the cooling fan; an air port communicated with the accommodating cavity is formed in the cover body; and the blocking structure is movably mounted at the air opening, so that the air opening is opened when the processing cup assembly is mounted in the mounting cavity, and the air opening is blocked when the processing cup assembly is separated from the mounting cavity. According to the food processer, the blocking structure can block the air opening, and water flow is prevented from affecting the use safety of internal mechanisms.
Owner:BEAR ELECTRICAL APPLIANCE CO LTD +1

Self-adaptive semi-open air cushion type surge chamber and construction method thereof

The invention provides a self-adaptive semi-open air cushion type surge chamber and a construction method thereof.The self-adaptive semi-open air cushion type surge chamber comprises a surge chamber body and a construction adit, the construction adit is of a permanent retaining structure, one end of the construction adit is connected with the surge chamber, the other end of the construction adit is communicated with an existing underground passage of an underground traffic system or the outside, and a ventilation path of the surge chamber body is formed; a blocking body is arranged at an inlet of the construction adit, the blocking body covers and seals the whole cross section of the construction adit, the blocking body is provided with at least one longitudinally-through ventilation hole channel and an airtight structure arranged at the ventilation hole channel, and the ventilation hole channel also serves as a maintenance access channel. The advantages of an open type surge chamber and an air cushion type surge chamber are integrated, meanwhile, the main defects of the open type surge chamber and the air cushion type surge chamber are avoided, the advantages of being low in construction and operation cost, flexible in arrangement, safe, reliable and easy and convenient to maintain are achieved, and a solution is provided for solving the safety guarantee problem of the long-distance pressure water conveying tunnel.
Owner:POWERCHINA HUADONG ENG CORP LTD

Tester for setting time of concrete mixture

The utility model relates to the technical field of concrete detection, and discloses a concrete mixture setting time determinator which comprises a vertical rod detachably connected to the upper end of a determinator main body, the outer surface of the vertical rod is connected with a carrier plate used for positioning in a clamped mode, the upper end of the carrier plate is detachably connected with an air pump, and the air pump is connected with an air outlet. The lower end of the air pump is detachably connected with a sleeve used for positioning, and a probe used for detection is clamped in the sleeve. According to the concrete mixture setting time tester, through cooperative arrangement of the tester main body, the vertical rod, the carrier plate, the air pump, the sleeve, the probe and the barrel, after a worker places a concrete mixture in the barrel, the air pump can be started, and the sleeve and the probe are pressed down, so that the setting time of the concrete mixture can be detected; the labor intensity of workers is further relieved, the working efficiency of the concrete mixture setting time tester is improved, and the overall practicability of the device is further improved.
Owner:CONSTR & INSTALLATION ENG THE THIRD ENG GROUP OF CHINA RAILWAY +1