1972 results about "Small footprint" patented technology

Provided in the present invention is a transformerless unified power quality conditioner, comprising a three-phase conditioner substructure, wherein each phase of the conditioner substructure can comprise an ANPC three-level converter and an output half-bridge module connected to the ANPC three-level converter. Also provided are a corresponding modulation method and system and a corresponding control method and system. Compared with existing voltage regulation apparatuses, the transformerless unified power quality conditioner and the modulation method and control method therefor provided in the present invention do not include a power-frequency transformer in the topology, but use a three-level converter to expand ports to realize voltage regulation, thus having the advantages of lower costs, smaller size, smaller footprint, lower loss, etc.

One or more systems, devices, methods of use and / or methods of fabrication provided herein relate to a device that can facilitate qubit measurement with isolation imposed between a quantum processor and a respective qubit measurement circuit and / or which respective qubit measurement circuit can have a small footprint, such as within a respective cryogenic chamber of a quantum system. According to one embodiment, a device comprises an isolator circuit having a bandpass filter configuration coupled between a pair of ports and the bandpass filter configuration comprising two or more poles. Two or more shunt resonators can be realized as the two or more poles, wherein the two or more shunt resonators can comprise DC SQUIDs and can be coupled together with one or more admittance inverters. A non-reciprocal signal transmission can be generated between the two ports by RF pumping the DC SQUIDs.

A full-automatic quantitative packaging device for polycrystalline silicon relates to the technical field of polycrystalline silicon packaging equipment, and adopts the technical scheme that the full-automatic quantitative packaging device comprises a rack, a weighing unit, a bag opening unit and a conveying unit, a collecting hopper is arranged at the top of the rack, and a discharging pipe is arranged at the bottom of the collecting hopper; a plurality of weighing units are arranged at the top of the collection hopper, and each weighing unit comprises a weighing bin and a weighing sensor; the bag opening unit comprises a supporting frame and a vertical moving device, the supporting frame is provided with a pair of first telescopic devices, the pair of first telescopic devices are both provided with first connecting plates, and the first connecting plates are provided with suction cups; the conveying unit comprises a conveyor. The steps of automatic quantitative weighing, bag opening packaging, conveying and the like are completed through cooperation of all the assemblies, flexible switching operation among materials with different particle sizes can be achieved, the problem that the labor intensity of manual operation is large is solved, the occupied area is small, the packaging technology is achieved, the structure is simple, and cost is low.

A floating construct is formed of a plurality of floats. The floats are constructed of rigid plastic with of a central tube positioned vertically. The floats are hollow and watertight, with the hollow and watertight structure of the floats providing flotation. The floats are connected directly or indirectly to other floats to form the floating construct. The use of multiple floats, which have a relatively small footprint, sized and positioned according to the loading of the floating construct, allows balancing of the overall construct that the floats support.

The utility model relates to an internal structure of a vertical water purification device, which comprises a vertical cylinder, the vertical cylinder is of a flat bottom type structure, a cleaning pipe is arranged at the upper part in the vertical cylinder, an inclined plate is arranged below the cleaning pipe, a micro-vortex flocculation reaction zone is arranged below the inclined plate, and a micro-vortex flocculation reaction zone is arranged below the micro-vortex flocculation reaction zone. A micro-vortex flocculation reaction area is arranged in the vertical barrel, a negative pressure hydraulic ejector is arranged below the micro-vortex flocculation reaction area, an opening of the negative pressure hydraulic ejector faces upwards, the negative pressure hydraulic ejector is connected with a middle pipeline in the micro-vortex flocculation reaction area, a sludge discharge area I is arranged between the micro-vortex flocculation reaction area and the negative pressure hydraulic ejector, a sludge discharge area II is arranged at the bottom of the vertical barrel, and the sludge discharge area II is connected with the vertical barrel. And a negative pressure sludge return pipe is arranged at the lower part of the middle pipeline, and the lower end of the negative pressure sludge return pipe is arranged in the sludge discharge area II. The device is small in occupied area, simple in structure and good in treatment effect.

The utility model provides an explosive mixing conveying chain device for a firework inner barrel filling production line. The device comprises a water tank mechanism and a power mechanism, the water tank mechanism comprises a rack and a water tank fixedly arranged above the rack; the power mechanism comprises a power machine and a conveying chain which are respectively arranged below and above the water tank; a plurality of sliding table trolleys are detachably installed on the conveying chain, the power machine drives the conveying chain to drive the sliding table trolleys to conduct uniform-speed circular motion in the water tank, and the sliding table trolleys sequentially pass through a plurality of medicine mixing mechanisms arranged on the side edge of the water tank at equal intervals. According to the mixed medicine conveying chain device, water can be injected into the water tank, so that medicine powder and other impurities generated in the medicine mixing process fall into the water tank, and fire and explosion caused by medicine naturally are avoided; the power machine drives the conveying chain to drive the sliding table trolley, so that the whole medicine mixing and conveying process is automatic, manual intervention is reduced, the production efficiency and the yield are improved, the occupied area of equipment is small, and efficient production layout can be achieved in a limited site.

The present invention relates to the technical field of anti-tailgating doors, and particularly to an anti-tailgating corner door control device and a usage method. The device includes a corner door, a lock tooth assembly, an electric door locking device, a sensor, and an in-built door closer device; alternatively, it further includes an external door closer device and a door shaft; or it further includes an external door closer device and a set of hinge hinges; the corner door includes a flat door and a shielding door, and the flat door and the shielding door are connected at a 90-degree angle; the lock tooth assembly and the electric door locking device are installed on the door frame, and the in-built door closer device is installed in the lower door frame or buried under the ground; the external door closer device is installed on the door frame, and one end of its arm is installed on the corner door; or the external door closer device is installed on the corner door, and one end of its arm is installed on the door frame. The device is designed with an angular door + access control system, achieving a small floor area, fast entry and exit of the warehouse door, and preventing tailgating entry and exit.

A system for automated extraction of biological samples from a set of biological samples has a small footprint and minimal movement of consumable sets, thereby reducing potential contamination during the extraction process. The extraction system includes a set of reaction tubes, a storage unit for storing a set of consumables, a sample preparation unit, a sample extraction unit, a waste unit, a plurality of robots for moving the tubes, samples, and cassettes, and a programmable control system programmed to process the samples in a serial mode in which a series of samples are processed sequentially in time one after another, thereby maintaining a continuous mode. Thus, a fixed processing turnaround time for each sample is maintained regardless of when the sample starts processing.

The invention discloses a wire drawing processing device for a steel wire rope, and relates to the technical field of wire drawing processing, the wire drawing processing device comprises a mounting table, an unwinding reel is mounted on the mounting table, a wire die is movably arranged on the mounting table, a working table is mounted on the mounting table, a limiting groove is formed in the working table, the wire die is movably mounted in the limiting groove, and a wire groove is formed in the working table; according to the wire drawing machine, by arranging the winding wheel, the threaded rod, the arch-shaped clamping frame, the powder bin and the like, segmented wire drawing is achieved through the arrangement of the arch-shaped clamping frame on the winding wheel when wire drawing is conducted on the steel wire rope, the wire drawing efficiency is improved, and the wire drawing efficiency is improved. And the steel wire rope can be clamped in sections when being broken, so that the tightened steel wire rope is prevented from driving the wire mold to jump out of the groove, the use safety of the structure is further improved, the occupied area is small, and the use is convenient.

The invention relates to the field of liquid cooling plate production and manufacturing, and provides assembling equipment for liquid cooling plate welding. The square frame is rotated by arranging the rotating disc, two clamping mechanisms are arranged on each side face of the square frame to clamp a harmonica-shaped tube, and two fixing mechanisms are arranged on each side face of the square frame to position and place a current collector, so that in the four side faces of the square frame, one side face is used for feeding, one side face is used for assembling and pressing, one side face is used for detecting, and the other side face is used for discharging; the production efficiency is improved; a downward pressing mechanism and a section detection mechanism are arranged on the side face of the top frame, the downward pressing mechanism presses downwards to make contact with the top end of the harmonica-shaped tube to limit the top end of the harmonica-shaped tube, and the fixing mechanism ascends after placing the current collector so that the current collector and the limited bottom end of the harmonica-shaped tube can be assembled together; after the harmonica-shaped tube and the current collector are assembled, the harmonica-shaped tube and the current collector are rotated to one side of the cross section detection mechanism by the turntable, and the cross section size of the harmonica-shaped tube is detected by the cross section detection mechanism; the device is high in efficiency, good in effect, small in occupied area and suitable for large-batch production.

The invention provides inter-plant mycorrhiza nutrient transfer culture equipment which comprises a culture box body and an organic glass plate, an inner cavity of the culture box body is divided into a first culture chamber and a second culture chamber through the organic glass plate, the organic glass plate is a porous glass plate, and a white nylon net is pasted on one side of the porous glass plate. And the white nylon net is divided into a white nylon net with the aperture of 0.45 mu m and a white nylon net with the aperture of 37 mu m. The equipment is small in size, small in occupied area, cheap in material, convenient to assemble and suitable for pot culture experiments of large-batch samples, soil ions are allowed to pass through by means of 0.45 microns, ectogenic hyphae and the soil ions are allowed to pass through by means of a white nylon net of 37 microns, the soil ions, the ectogenic hyphae and root systems are allowed to pass through a nylon-free net, and the soil ions, the ectogenic hyphae and the root systems are allowed to pass through. Compared with the prior art, direct and indirect paths of nutrient transfer between plants can be distinguished and quantified, and the method is simple and easy to implement.

The utility model relates to the technical field of new energy automobile driving motors, in particular to a rotor magnetic steel slot go gauge detection device. A downward-pressing stripping mechanism is installed on the supporting assembly, the go gauge seat is arranged right opposite to the downward-pressing stripping mechanism, a workpiece is placed on the go gauge seat, and a magnetic steel gauge sheet in the go gauge seat is right opposite to a magnetic steel groove of the workpiece; the extending end of the magnetic steel pass-stop servo electric cylinder is arranged upwards, the extending end of the magnetic steel pass-stop servo electric cylinder is connected with the go gauge seat, and a magnetic groove go gauge pressure sensor is installed between the magnetic steel pass-stop servo electric cylinder and the go gauge seat. Automatic material detection is achieved, the material mixing phenomenon is reduced, the production cost is reduced, the material detection accuracy is improved while the material detection efficiency is improved, meanwhile, compatibility is good, rapid remodeling can be achieved by replacing parts in the mechanism, universality is high, the replacement speed is high, therefore, the working efficiency is improved, the occupied area is small, and cost is greatly saved.

The present invention provides a cabinet air conditioner, which includes an upper cover, a housing, a base, a heat exchanger assembly, an air inlet baffle, and an air outlet assembly; the upper cover and the base are used to decorate and facilitate the installation of the cabinet air conditioner; the housing has a front panel and a rear panel, the front panel has air inlets on both sides and an air outlet in the middle, and the rear panel is composed of two plates at a certain angle; the air inlet assembly forms an air inlet channel to enable air to smoothly enter for heat exchange, and the air outlet assembly is used for air exhaust guiding and improving the air exhaust effect; the present invention adopts the method of air inlet on both sides of the front panel and the rear panel closely attached to the wall surface, so that the cabinet air conditioner can be either hung or closely installed on the ground, with a small floor area; it solves the problem of difficult cleaning of the rear side air inlet, has low noise, and a large air inlet volume.

An integrated automatic packaging apparatus, comprising a sealing compartment (10) and a conveying mechanism (20). The sealing compartment (10) is internally provided with gas pipes, one end of each of the gas pipes is communicated with an external gas supply device, and a plurality of gas holes (141) are formed in the other end of the gas pipe; the conveying mechanism (20) is arranged in the sealing compartment (10), and a bag opening mechanism (30) and a filling mechanism (40) are sequentially arranged in the conveying path of the conveying mechanism (20); the conveying mechanism (20) is used for grabbing a jumbo bag and conveying the jumbo bag to the bag opening mechanism (30) and the filling mechanism (40) in sequence, the bag opening mechanism (30) is used for opening the opening of the jumbo bag, and the filling mechanism (40) is used for filling the jumbo bag with materials. The integrated automatic packaging apparatus has a high integration level and a small footprint; and debugging costs are saved, personnel operation is reduced, and device maintenance costs are reduced.

Various embodiments of a wireless connector system are described. The system has a transmitter module and a receiver module that are configured to wirelessly transmit electrical energy and / or data via near field magnetic coupling. The wireless connector system is designed to increase the amount of wirelessly transmitted electrical power over a greater separation distance. The system is configured with various sensing circuits that alert the system to the presence of the receiver module to begin transfer of electrical power as well as undesirable objects and increased temperature that could interfere with the operation of the system. The wireless connector system is a relatively small footprint that is designed to be surface mounted.

The utility model relates to a PAD back shell appearance cleaning device. The PAD back shell appearance cleaning device comprises a feeding runner assembly, a large face cleaning assembly, a carrying assembly, a side face and R angle cleaning assembly and an overturning assembly. The large face cleaning assembly and the side face and R-angle cleaning assembly are arranged side by side, the carrying assembly is arranged on the same side of the large face cleaning assembly and the side face and R-angle cleaning assembly, and a product to be cleaned is carried to the side face and R-angle cleaning assembly from the large face cleaning assembly through the carrying assembly in a C-shaped path to be cleaned. The feeding runner assembly is arranged in front of the large-face cleaning assembly, and the overturning assembly is arranged behind the side face and R-angle cleaning assembly. The side face and R angle cleaning function is added, the machine table is arranged in a C shape, all-directional cleaning of products can be achieved, and the occupied area is small; an avoiding position is added to the cleaning grinding head, so that the risk of damage to the camera and important parts during wet wiping is reduced, and the cleaning efficiency is improved; meanwhile, the problem of alcohol leakage is solved, and the use cost is reduced.

The embodiment of the invention relates to the technical field of pipe testing, and discloses a pipe oxidation resistance testing system which comprises an oxidation resistance testing device. The oxidation resistance testing device comprises a first box body, a second box body, a water pump device and a testing assembly, the water pump device is arranged in the first box body, the testing assembly is arranged in the second box body, and the first box body and the second box body are arranged in a split mode. The testing assembly comprises a liquid storage tank, a heat preservation unit and a sample tube testing unit, the heat preservation unit is used for conducting heat preservation on the sample tube testing unit, and the sample tube testing unit comprises a connecting pipeline and testing clamps arranged at all testing points on the connecting pipeline; the test fixture is used for clamping the corresponding sample test tube and enabling the sample test tube to be communicated with the connecting pipeline. The test system provided by the embodiment of the invention adopts a module combination box type damping design, and is simple in overall structure, high in integration level and small in single occupied area. The split type design can effectively avoid the influence of motor vibration on the service life of the pipe in the testing process.

The integrated high-efficiency falling film concentration separator comprises a tower body, an upper tube plate is arranged at the upper end opening of the tower body, an upper tube box is arranged above the upper tube plate, and a tube pass feed liquid inlet is formed in the center of the top of the upper tube box; the upper end opening of the tower body is provided with an upper tube plate, the lower end opening of the tower body is provided with a lower tube plate, the upper tube plate and the lower tube plate are respectively and uniformly provided with a plurality of tube orifices, the upper and lower corresponding tube orifices are respectively connected through falling film tubes, a lower tube box is arranged below the lower tube plate, the bottom of the lower tube box is provided with a crystal mush outlet, and the side wall of the upper part of the lower tube box is provided with a secondary steam outlet; a shell pass steam inlet is formed in the upper side wall of the tower body, and a condensed water outlet is formed in the lower side wall of the tower body. The falling-film tube is a spiral falling-film tube with a long circular section, two ends of a long axis of each cross section are opposite semicircles, two ends of a short axis are parallel to each other, and the falling-film tube is continuously twisted into a spiral shape by taking the center line of the falling-film tube as an axis. The integrated high-efficiency falling film concentration separator is small in occupied area, high in heat transfer coefficient and low in shell pass resistance, and liquid films in the falling film pipes are uniformly distributed.

The invention discloses a UV dispensing and curing all-in-one machine and aims at providing the UV dispensing and curing all-in-one machine which is simple in structure, compact in structure, small in occupied area, capable of achieving bidirectional feeding and discharging and high in dispensing efficiency, and adopts a rotary disc layout mode, and clamping jaws are symmetrically arranged. The glue dispensing device comprises a rack, a conveying assembly, a rotary disc assembly, a clamping jaw assembly, a glue dispensing assembly and a curing assembly, the conveying assembly comprises a feeding conveying line and a lower backflow conveying line, the feeding conveying line and the lower backflow conveying line are arranged at the upper end and the lower end of one side of the rack correspondingly, and the rotary disc assembly is arranged in the middle of the upper end of the rack; the clamping jaw assembly is arranged between the conveying assembly and the rotary disc assembly and matched with the conveying assembly and the rotary disc assembly, and the dispensing assembly and the curing assembly are arranged at the dispensing end and the curing end of the rotary disc assembly respectively and matched with a plurality of products on the rotary disc assembly. The invention is applied to the technical field of product dispensing.

To provide an EFEM with a retreat station which can achieve reduction of a footprint and save a used amount of a purge gas.SOLUTION: An EFEM 1 includes: an EFEM body 2 in which a substrate transfer robot 22 is disposed in a substrate transfer space 21S formed in a housing 21; a retreat station 6 which is provided on a side wall 21 of the EFEM body 2 to communicate with the substrate transfer space 21S; and a purge gas supply chamber 5 provided at an upper part of the EFEM body 1. A return duct 7 which sends a purge gas flowing from the substrate transfer space 21S into the retreat station 6 to the purge gas supply chamber 5 is provided between the retreat station 6 and the purge gas supply chamber 5.SELECTED DRAWING: Figure 8

The invention discloses a piece turning mechanism and vacuum coating equipment, the piece turning mechanism comprises a turning assembly, the turning assembly comprises a base and two clamping parts, the two clamping parts are arranged on the upper side and the lower side of the base respectively to define a substrate mounting space, and the base is rotationally arranged to switch any clamping part to be located on the upper side; the jacking assembly comprises a first jacking part, and the first jacking part is arranged below the overturning assembly in a lifting mode; and the first jacking part can move upwards to jack up the clamping part located on the upper side until the clamping part is separated from the base, so that the substrate mounting space is opened. The substrate overturning device can overturn substrates by 180 degrees, and is simple and reliable in structure, small in occupied area and low in maintenance cost.

The present invention relates to the technical field of chain conveyor belts, and particularly to an adjustable chain storage conveyor belt, which includes a conveyor line frame, a positioning mechanism, and a control box. At least two parallel conveyor mechanisms with adjustable widths are installed on the conveyor line frame. The conveyor mechanism with adjustable width includes a conveyor chain motor assembly. The positioning mechanism is installed at the end of the conveyor line frame, and the control box is installed inside the conveyor line frame and is connected to the conveyor chain motor assembly and the positioning mechanism for control. In the present invention, the positioning is accurate and the floor area is small: the positioning mechanism and the chain conveyor belt (conveyor mechanism) are integrated into one, reducing the overall floor area of the space, making the positioning more accurate, applicable to a variety of products and convenient for adjustment; by cooperating with a handwheel, a T-shaped screw rod, and a T-shaped nut, it is possible to control the double tracks simultaneously, making it more convenient to adjust the width of the double tracks, with higher precision and higher practicality.

A cultivation box for improving drought resistance of peanut seeds comprises a cultivation frame, a plurality of same cultivation chambers are arranged on the cultivation frame, cultivation boxes are detachably connected into the cultivation chambers, a bottom containing box is arranged at the bottom of the cultivation frame, and an electric control box, a soil preparation box and a water tank are arranged in the bottom containing box. According to the cultivation box capable of improving the drought resistance of the peanut seeds, the multiple independent cultivation boxes are arranged in an integrated mode, multiple sets of cultivation experiments can be conducted at a time, the equipment cost is low, the occupied area is small, the cultivation boxes and the cultivation chambers are independently arranged and do not interfere with each other, and the cultivation box is convenient to use. The growth environment of each group of peanut seed cultivation samples can be independently adjusted, a good contrast effect is achieved, good drought resistance of cultivated peanut seeds is achieved, soil used in a cultivation experiment can be subjected to unified treatment through the arrangement of the soil preparation box, the influence of external factors on the cultivation experiment is reduced, and the cultivation experiment efficiency is improved. And the cultivation accuracy is improved.

The utility model discloses a folding type subsurface flow wetland capable of being produced in batch, which relates to the technical field of sewage treatment, and comprises an anti-seepage film and a cushion layer which are paved in a plain soil pit, the cushion layer is filled in a closed area enclosed by the anti-seepage film, the cushion layer comprises a packing layer and a soil mellow layer, the packing layer is paved on the anti-seepage film, and the soil mellow layer is paved on the packing layer. According to the rural domestic sewage treatment device, sewage is treated through a microbial soil infiltration treatment technology, the rural domestic sewage treatment effect is considered, meanwhile, the construction difficulty is small, the occupied area is small, the construction period is shortened, and the construction cost is reduced. The system can be fully integrated into a small vegetable garden or small garden ecological system of a peasant household, protects the farmland cultivation and planting habits of the peasant household, is small in investment and low in cost, and meets the requirements of domestic sewage treatment and recycling in vast rural areas.

The utility model belongs to the technical field of architectural design, and particularly discloses a pass-type vehicle washing tank for a mineral powder transport vehicle. The two sides of the car washing tank bottom of the car washing tank are connected with the car washing tank ramps to form a V-shaped tank with a large obtuse angle, the car washing tank turnup fixedly blocks the car washing tank bottom and one end of the car washing tank ramps on the two sides, the top end of the car washing tank turnup is not lower than the highest point of the car washing tank ramps, and the sedimentation tank fixedly blocks the other end of the car washing tank bottom and is communicated with the car washing tank bottom. The clear liquid collecting tank is arranged on one side of the sedimentation tank and communicated with the sedimentation tank, a water inlet of the water pump extends into the clear liquid collecting tank, a water outlet of the water pump extends into the car washing tank defined by the car washing tank ramp, the tank bottom, the turned-over edge and the sedimentation tank, and a water supply pipe communicated with a water supply system is further arranged in the car washing tank. The large-obtuse-angle V-shaped groove is formed between the bottom of the car washing groove and the car washing groove ramps on the two sides, the phenomena that the head of a passing car is warped and wheels are suspended can be avoided, water consumption is reduced, and the car washing groove has the advantages of being simple in structure, small in occupied area, capable of saving water, convenient to clean sediment and safe in passing.

The utility model relates to a multifunctional multi-axis linkage numerical control internal and external circle and thread grinding machine, which comprises a base, a plurality of grinding wheels and a plurality of grinding wheels, the N grinding spindles are symmetrically arranged on the machining table; the cross-shaped moving assembly is arranged on the base and located above the grinding main shaft; the lifting assembly is arranged on the cross-shaped moving assembly; the machining base is arranged on the cross-shaped moving assembly in a sliding mode and connected with the lifting assembly; the N machining spindles are symmetrically arranged on the machining base and correspond to the grinding spindles one to one. According to the multifunctional multi-shaft linkage numerical control internal and external circle and thread grinding machine, the grinding main shaft and the machining main shaft are symmetrically arranged to reduce vibration, and then the machining precision is improved. The N main shafts are symmetrically and uniformly distributed and can be vertically, horizontally and obliquely arranged. The overall rigidity is improved by 4 times, the amplitude is reduced by 4 times, the precision is improved by 16 times, and the machining rhythm speed is improved by 4 times. Different grinding wheel tools can be replaced so as to be widely applied to grinding machining of inner holes, outer circles and threads. The whole weight is light, the occupied area is small, and energy consumption is low.

The utility model discloses a submersible pump lifting device with a linear guide rail and capable of rotating, which comprises the vertically arranged rotatable linear guide rail, a sliding block connected to the linear guide rail in a sliding manner, a water pump fixing seat fixedly arranged on the sliding block, and a cantilever capable of rotating horizontally arranged at the top of the linear guide rail. A pulley is arranged at the top of the cantilever, a winch is arranged in the middle of the cantilever, a steel wire rope is arranged on the pulley, one end of the steel wire rope is used for being connected with a submersible pump, and the other end of the steel wire rope penetrates through the pulley and then is connected with the winch. Free lifting and 360-degree rotation of the submersible pump can be achieved, the position and the angle of the submersible pump can be conveniently adjusted according to the requirements of a user, working efficiency can be obviously improved, the labor intensity of workers can be obviously reduced, and the submersible pump lifting device further has the advantages of being simple in structure, small in occupied area, convenient to install and use, good in safety and the like.

The invention discloses novel wind-gathering wind power generation equipment, relates to the technical field of wind power generation, and solves the technical problems of low wind energy utilization efficiency, huge structure and limited application scene in the existing technical scheme. The novel wind-gathering wind power generation equipment comprises a main base, a stand column is arranged on the upper wall surface of the main base, and a wind gathering barrel is arranged on the stand column; according to the wind power generation device, the wind gathering cover and the wind gathering barrel with the input end area far larger than the output end area are arranged, incoming flow air can be effectively gathered and accelerated, the wind speed acting on the wind power fan blades is remarkably increased, and the wind power generation device has the advantages that the wind power generation device is high in wind power generation efficiency; the utilization rate of wind energy resources is greatly improved; the whole structure is very compact, the occupied area is small, the device can be flexibly applied to a mobile carrier with limited space, for example, the device is installed on a vehicle roof to generate power through driving wind or installed on a ship deck to provide auxiliary power, and a brand new application field of mobile energy regeneration is developed.

The utility model relates to the technical field of nitrogenous wastewater treatment, in particular to a nitrogenous wastewater treatment device. The device comprises a reactor, an aeration assembly, a water inlet assembly and a monitoring assembly, a guide cylinder is coaxially arranged in the reactor; the reactor is filled with microorganism balls; the monitoring assembly comprises a main controller and a plurality of detection probes; the main controller is arranged outside the reactor, and each detection probe is arranged inside the reactor; the main controller is respectively connected with each detection probe through a line; one end of the water inlet assembly is communicated with nitrogenous wastewater, and the other end is communicated with the bottom of the reactor; the water inlet assembly comprises a water inlet pump connected with the main controller; one end of the aeration assembly is communicated with air or oxygen, and the other end is communicated with the bottom of the reactor; and the aeration assembly comprises an air blower connected with the main controller. The device disclosed by the utility model has the effects of simple and compact structure, small occupied area, low operation cost and good nitrogen removal performance.

The utility model provides an underground chamber with a breathing gas storage membrane, which comprises an embedded part and a gas storage membrane, the embedded part comprises a main body and a cover body, a cavity with an opening at the upper end is formed in the main body, a working cavity is formed in the main body, and the cover body is arranged at the opening end at the upper end of the main body; the main body is of a circular-truncated-cone-shaped structure with a small upper end and a large lower end, and the cover body is of an inverted circular-truncated-cone-shaped structure with a large upper end and a small lower end; the gas storage film is arranged in the working cavity, a cavity is formed in the gas storage film, a gas storage cavity is formed in the gas storage film, and a compression cavity is formed between the inner wall of the working cavity and the outer wall of the gas storage film; the first pipe body assembly is communicated with the gas storage cavity; and the second pipe body assembly is communicated with the compression cavity. The underground chamber with the breathing gas storage film is compact in structure, low in construction difficulty, good in sealing performance, capable of achieving stable output of medium gas, small in occupied area, low in manufacturing cost, good in using effect and wide in application range.