74results about How to "Control circulation" patented technology

The invention provides a shrimp culture tail water ecological treatment system. The system comprises a culture pond system for shrimp culture, a sedimentation pond for removing solid particles from culture tail water discharged from the culture pond system by sedimentation, a filter pond for filtering the solid particles in the culture tail water and subjected to sedimentation treatment in the sedimentation pond, an aeration pond for aeration treatment of the culture tail water filtered by the filter pond, a wetland system using plants and animals to remove harmful substances and algae in theculture tail water subjected to the aeration treatment in the aeration pond and a UV disinfection well for killing bacteria in culture tail water for purification of the wetland system. The system canachieve ecological treatment and recycling of the culture tail water, monitor the water purification degree in real time and effectively improve the water purification effect, and is low in cost andconvenient to operate and manage.

The invention discloses a financial red envelope E-coupon system. The financial red envelope E-coupon system comprises a band red envelope E-coupon module, an E-coupon transaction module and a terminal settlement module, wherein the band red envelope E-coupon module is used for setting corresponding conversion information of the bank card consumption and the red envelope E-coupon, recording the consumption information of the bank card, and transmitting the corresponding conversion relationship and the consumption information to the E-coupon transaction module; the E-coupon transaction module is used for generating a red envelope E-coupon according to the received corresponding conversion relation and the consumption information, receiving the red envelope E-coupon consumption transmitted by the terminal settlement module to the bank red envelope E-coupon module, and carrying out account checking and settlement with the bank red envelope E-coupon module; and the terminal settlement module is used for receiving a red envelope E-coupon consumption request of a consumer, and transmitting the consumption request to the bank red envelope E-coupon module. The E-coupon system provided by the invention can effectively improve the convenience for E-coupon consumption, and can effectively improve the security of the E-coupon.

The invention relates to a device for grinding the inner wall and the outer wall of a tire, and belongs to the technical field of devices for grinding workpiece edges or inclined faces or burrs. The device comprises a rack. A motor, an air pump, a first air cylinder and a grinding device are arranged on the motor, and the motor is connected with a first gear. The bottom end of the air pump is connected with a hollow main rod, a second gear is connected to the hollow main rod, the tail end of the hollow main rod communicates with branch pipes, a telescopic rod is connected in each branch pipe,and one end of each telescopic rod is connected with a grinding piece. The first air cylinder comprises a first piston rod and a cylinder barrel, the first piston rod is connected with a round tray, the cylinder barrel is connected with second air cylinders, the bottom of each second air cylinder is connected with a supporting seat, a rocker bar is hinged to the top end of each supporting seat, the middle end of each rocker bar is connected with a piston rod of the corresponding second air cylinder, and a fixed baffle is arranged at the top end of each rocker bar. An outer grinding device comprises a grinding knife and a sliding block. According to the technical scheme, the problems that during manual grinding of the inner wall and the outer wall of the tire, time and labor are wasted, andefficiency is low are solved.

The invention discloses an AAC-based multi-module voltage source type inverter. The AAC-based multi-module voltage source type inverter comprises an LC filter and a full-bridge structure which consists of at least four AAC bridge arms, wherein an H bridge fundamental frequency bridge arm leading-out terminal in an AAC upper bridge arm is connected with a power supply positive electrode output end; an H bridge fundamental frequency bridge arm leading-out terminal in an AAC lower bridge arm is connected with a power supply negative electrode output end; each AAC bridge arm comprises an H bridge unit, a bridge arm electric reactor and a bridge arm conduction switch; each H bridge unit comprises a fundamental frequency bridge arm and a high frequency bridge arm which are connected in parallel; the fundamental frequency bridge arm comprises two series-wound fully-controlled switches with anti-parallel diodes; an emitting electrode of one fully-controlled switch is connected to a collector electrode of the other fully-controlled switch; and the H bridge unit is connected with a voltage-stabilizing capacitor in parallel. The inverter provided by the invention is small in size, and can realize conversion from a low-voltage direct current to a high-voltage alternating current; the system frequency is increased by adopting carrier phase-shifting control; each power switching device suffers from relatively low direct current side voltage; and in addition, the AAC-based multi-module voltage source type inverter is easy to enlarge capacity.

The invention provides intelligent marine cloud cabin device and a ship water pollutant collecting and transferring system, and relates to the technical field of ship water pollutant transferring. The intelligent marine cloud cabin device comprises a control terminal, a transmission mechanism and pollutant storage equipment, wherein the control terminal is electrically connected and/or in communication connection with the transmission mechanism, and the transmission mechanism is connected with the pollutant storage equipment; the pollutant storage equipment comprises at least one pollutant storage tank; the transmission mechanism comprises a transmission pipeline corresponding to each pollutant storage tank; and the control terminal is used for controlling the on-off state of the transmission pipeline so as to control the pollutants to circulate in the intelligent marine cloud cabin device. According to the intelligent marine cloud cabin device and the ship water pollutant collecting and transferring system, the pollutants can be controlled to circulate in the intelligent marine cloud cabin device, so that the water pollutants can be subjected to centralized treatment, the transferring efficiency of the water pollutants can be improved, and the transportation and transferring cost of waste ships is reduced to a certain extent.

The invention relates to a heat dissipation device, in particular to a micro hole heat dissipation device which achieves heat dissipation through the combination of the capillary effect and the waterevaporation heat absorption characteristic. The micro hole heat dissipation device comprises an inner-layer steel plate covering a heating device needing to be subjected to heat dissipation, multiplememory alloy deformation areas which are formed on the outer side face of the inner-layer steel plate and can store water, and an outer-layer steel plate located on one side of the outer side face ofthe inner-layer steel plate. A circumferential sealing pad is sealed between the inner-layer steel plate with the memory alloy deformation areas and the outer-layer steel plate, at least one water inlet communicating with the memory alloy deformation areas is formed in the inner-layer steel plate, and water way channels used for communicating with the adjacent memory alloy deformation areas are formed at the positions, between the adjacent memory alloy deformation areas, on the inner-layer steel plate. By means of the micro hole heat dissipation device, deformation, changing along with the temperature, of a round-trip memory alloy is utilized, and flowing of water is flexibly controlled according to the temperature; and the physical principle and the capillary phenomenon are utilized, thestructure is simple, water evaporation heat absorption is used for replacing traditional heat dissipation conducted through water circulation, and therefore heat dissipation can be more efficient.

The invention discloses a circulation hot air drying box used for processing glazing powder, and belongs to the technical field of drying equipment. The circulation hot air drying box comprises a box body and a drying vehicle, an air inlet flue and an air outlet flue are arranged in the box body, transverse air inlets are formed in the air inlet flue at intervals, and transverse air outlets are formed in the air outlet flue at intervals; a frame of the drying vehicle is provided with at least three layers of drying units in the vertical direction in parallel, the drying units comprise material disc supports, separating plates and air guide plates, the material disc supports are symmetrically arranged with respect to the separating plates and are used for containing material discs, and the air guide plates are arranged below the material disc supports, and drying air flues for communicating two-side zones of the separating plates are formed; the air inlets are communicated with one ends of the drying air flues, and the air outlets are communicated with the other ends of the drying air flues. According to the circulation hot air drying box, by improving the upper air inlet manner of the drying vehicle, materials in the material discs can be evenly heated, the materials on each layer are in direct contact with circulated fresh air, the needed time is short, and the drying efficiency is greatly improved.

The invention discloses a vehicle ventilation device and a vehicle, wherein the vehicle ventilation device (10) comprises a basal plate (1), a cover plate (2) and a bimetallic strip (3); the basal plate (1) can be mounted on a vehicle body (20), and covers an opening formed in the vehicle body (20); a ventilation port (11) is formed in the basal plate (1); the cover plate (2) is pivoted and connected to the basal plate (1); and the bimetallic strip (3) can drive the cover plate (2) to rotate through the temperature change so as to open or close the ventilation port (11). The heat deformation of the bimetallic strip is skillfully used for driving the cover plate to rotate so as to open or close the ventilation port, so that the circulation of air in the vehicle with the external is controlled to achieve a purpose of reducing the in-vehicle temperature.

The invention discloses an air entraining self-balancing type unmanned aerial vehicle, and belongs to the field of unmanned aerial vehicles. According to the air-entraining self-balancing type unmanned aerial vehicle, firstly, the air-entraining arc plates are used for achieving the effective drainage and pressure reduction process on external wind power, the wind pressure influence of the wind power on the unmanned aerial vehicle body is effectively reduced, and the rollover situation is reduced, and first balance effect is provided for stable flight of the unmanned aerial vehicle body; secondly, when the unmanned aerial vehicle body turns over on one side under the action of wind power, the balance gravity ball automatically moves to apply pressure to the air control chain plate, so that the air control chain plate displaces, the air inlet hole is opened, guided wind power enters the floating increasing air bag, and the floating increasing air bag expands, so that the air resistance borne by rollover of the unmanned aerial vehicle body is increased, and the unmanned aerial vehicle body is promoted to recover the balance state, that is, the second self-balancing process. Through the double progressive self-balancing effect, the wind resistance stability of the unmanned aerial vehicle body during flight is greatly improved.

The invention discloses a storage device for electronic product transportation. The storage device comprises a box, one fixing plate is welded to the inner walls of the opposite sides of the box, electric heating plates distributed at equal intervals are fixed to the interior of the fixing plate through bolts, a cushion is pasted to the outer wall of the top of the fixing plate, a temperature sensor is fixed to the outer wall of one side of the cushion through a bolt, a humidity sensor is fixed to the side, close to the temperature sensor, of the outer wall of the top of the cushion through abolt, and foam mats are pasted to the inner walls of the opposite sides of the box. According to the storage device, air ventilation in the box is controlled, the radiating and drying keeping effect can be greatly improved, electronic products are not prone to being damaged, collision damage generated by electronic product falling is effectively prevented, product defects are reduced, humidity ofthe space inside the box is prevented, the quality of electronic products is guaranteed, and influences of jolting on the road on the electronic products are reduced.

The invention relates to an adjustable automobile body relief valve device, and belongs to the technical field of automobile parts. The adjustable automobile body relief valve device comprises a relief valve body, a plurality of movable rubber sheets are mounted at the front end of the relief valve body, an adjustable grating group is mounted at the rear end of the relief valve body, and an open degree adjusting device is arranged between the grating group and the relief valve body. According to the adjustable automobile body relief valve device, the adjusting effect is achieved by reducing the air circulation area, exhaust requirements of air in different types of automobiles, and operating by personnel is facilitated.

The invention relates to the technical field of medical care equipment, and discloses a venous catheter fixing device. The device comprises a fixing base plate and a catheter fixing piece detachably connected to the surface of the fixing base plate, wherein a fixing groove and a control clamping groove are formed in the surface of the catheter fixing piece, the control clamping groove comprises along clamping block and a short clamping block which are parallel to each other, a closing rod moving cavity is also formed in the surface of the catheter fixing piece and located on the side close tothe short clamping block, a closing rod is rotationally connected to the inner wall, away from the short clamping block, of the closing rod moving cavity, and the outer edge of the fixing base plateis adhered to the skin surface of the affected part through a telescopic adhesive tape. The venous catheter fixing device has the beneficial effects of being capable of controlling circulation and blocking of the venous catheter, capable of freely controlling flow of the venous catheter, convenient to use, wide in application range and comfortable for patients to use.

The invention discloses a solenoid selection valve. The solenoid selection valve includes a first valve body, a second valve body, a valve core, a valve core seat and a lifting device, the first valvebody is stuck to the second valve body through a sticking face, a liquid outlet hole and a liquid inlet hole are formed in the mounting face of the first valve body, a liquid outlet and a liquid outlet are formed in the sticking face of the second valve body, a valve core seat mounting hole is formed in the mounting face, and the valve core seat is arranged in the valve core seat mounting hole; and the liquid inlet hole and the liquid outlet hole of the first valve body communicate with the liquid inlet and the liquid outlet of the second valve body correspondingly, a valve core mounting holeand liquid circulating holes penetrating in a radial mode and formed in the two sides of the valve core mounting hole are formed in the valve core seat, the liquid inlet and the liquid outlet of thesecond valve body communicate with the liquid circulating holes in the two sides respectively, the valve core is arranged in the valve core mounting hole through the lifting device, liquid circulatinggrooves are formed in the lower part of the valve core, and when the solenoid selection valve is in an opened state, the liquid circulating grooves communicate with the liquid circulating holes in the two sides of the valve core seat. According to the solenoid selection valve, the valve core is controlled to move up and down to control a channel switch in the valve body, and the selection switching of the channels can be effectively achieved.

The invention discloses an acidolysis pre-mixing system for reducing formation of a solid phase by mineral powder and concentrated sulfuric acid. The system comprises a pre-mixing tank, a stirring mechanism, a bottom valve and a sulfuric acid main pipeline, wherein the stirring mechanism is arranged inside the pre-mixing tank, the bottom valve is arranged at the bottom of the pre-mixing tank, one end of the sulfuric acid main pipeline is communicated with an outer sulfuric acid source while the other end is communicated with the pre-mixing tank; the pre-mixing tank is provided with a spray pipeline which is communicated with the sulfuric acid main pipeline in a matched mode, and the spray pipeline is provided with spray holes for washing the inner wall of the pre-mixing tank in a matched mode. The inner wall of the pre-mixing tank can be automatically cleaned by virtue of the spray pipeline to reduce formation of the solid phase so as to prevent the solid phase from falling into the bottom of the pre-mixing tank irregularly to block a discharge valve at the bottom, thereby ensuring normal operation of the production and preparation process. Meanwhile, the labor intensity of the workers is alleviated and the safety of the workers is guaranteed.

The invention relates to the field of building wall structures, in particular to a double-layer curtain wall unit and a double-layer curtain wall. The double-layer curtain wall unit comprises a first mounting frame and a second mounting frame, the first mounting frame and the second mounting frame are arranged side by side in a staggered mode, and an air inlet is formed in the first mounting frame; and a flow guide assembly used for guiding airflow to flow towards the second mounting frame is arranged in the first mounting frame, an exhaust port is formed in the second mounting frame, and an exhaust assembly used for guiding air to be exhausted is arranged in the second mounting frame. The double-layer curtain wall unit and the double-layer curtain wall has the effect of improving the ventilation efficiency of a building.

The invention discloses a soil pollutant detection device, relates to the technical field of soil pollutant detection, and aims to solve the problems that collected soil is detected in a normal state,pollutants are combined with the soil in the normal state, corresponding treatment measures are not taken to directly detect the soil, the detection difficulty is increased, one-sided incomplete detection is easily caused, and the clamping effect is poor. Supporting legs are arranged below the detection table, a detection frame is arranged above the detection table, a storage groove is formed inthe upper end of the detection table, a heating box is arranged above the detection table, a box cover plate is arranged above the heating box, and a chromatograph is arranged above the detection frame, an air pump and a micro water pump are arranged below the detection frame, air guide pipes are arranged at the two ends of the air pump, a rotating frame is arranged on one side of the heating box,a reagent bottle is arranged above the rotating frame, and liquid guide pipes are arranged at the two ends of the micro water pump.

The invention discloses a frying device with an automatic oil feeding structure for cooking, which comprises a frying tank, a temperature sensor, a display and an oil pipeline. An upper end of the frying tank is provided with a frying groove, and an empty groove is reserved at the lower end of the frying tank. A vertical tube is opened below the frying groove, and the frying groove is connected tothe empty groove through the vertical tube. a closed ring is installed on the inner side of an oil injection pipe, a first closed plate is installed on the inner side of the closed ring, a connectoris installed on the oil injection pipe, a second closed plate is provided on the inner side of the connector, and the oil pipeline is installed above the oil injection pipe. According to the frying device, a liquid level floating plate can be adjusted in height by changing the liquid level of the oil in the frying groove, the liquid level floating plate drives a closing plug to telescopically slide in an installation groove, which is beneficial to controlling the oil injection pipe to be opened or closed, and is convenient to realize oil injection or stop injection.

The invention discloses a charging hole for a feed for live pigs and relates to the field of domestic animal breeding. The charging hole comprises a charging hole body which is mounted at a conveyingpipeline and communicates with the conveying pipeline; a discharging hole of a charging pipeline is provided with a cover; the middle segment of the charging pipeline is further provided with a control box; two ends of the charging pipeline communicates with the control box; an annular groove channel is arranged in the control box; a plurality of plug plates are slidably connected to the inside ofthe annular groove channel and are connected by connecting pipes; a segment of opening is formed in the annular groove channel; the opening forms an activity room; the outer side of the opening is connected with the annular groove channel by an outer plate; a circular baffle is fixedly arranged at the lower side of the annular groove channel; three circulating holes are formed in the baffle; a disk is rotatably connected to a central position at the front side of the baffle; the outer side of the disk is provided with clamping teeth arranged among the plug plates; three gaps are formed in thedisk; and the radians of the gaps are consistent with the radians of the circulating holes. According to the charging hole, the inclined charging hole body is arranged, and the control box which canbe manually operated is arranged at the charging hole body, so that the effect of controlling feed circulation is achieved.