21results about How to "Avoid spoilers" patented technology

The invention discloses a multifunctional hydrogen production circulating system and a control method thereof. The multifunctional hydrogen production circulating system comprises a water replenishing loop, a deionization circulating loop and an electrolytic bath circulating loop. According to the device, the water supplementing loop, the deionization circulation loop and the electrolytic bath circulation loop are arranged, the connecting position of the deionization circulation loop and the electrolytic bath circulation loop is located in front of the oxygen-water primary liquid separation tank, and the deionization circulation loop and the electrolytic bath circulation loop are connected to the oxygen-water primary liquid separation tank through the turbulent flow preventing mixing pipeline; the turbulent flow phenomenon caused by different water temperatures of the deionization circulation loop and the electrolytic bath circulation loop can be effectively avoided through mixing, the water replenishing loop and the deionization circulation loop can be used for effectively controlling the water inlet conductivity, and the conductivity and temperature of pure water entering the electrolytic bath are stably controlled.

The utility model discloses a device for preventing turbulent flow in the pouring process of an underground diaphragm wall, which relates to the field of constructional engineering, and comprises an H-shaped steel body and a reinforcing steel bar group, the H-shaped steel body comprises a web plate and a wing plate, and the section sizes of the opposite surfaces of the H-shaped steel body and pre-buried H-shaped steel are the same; the multiple steel bar sets are located on the side, close to the embedded H-shaped steel, of the H-shaped steel body and extend out of the H-shaped steel body, each steel bar set comprises two steel bars with the same size specification, and the two steel bars of each steel bar set are symmetrically fixed to the inner side and the outer side of the web or the wing plate correspondingly. And an elbow is arranged at one end, extending out of the H-shaped steel body, of the steel bar. The underground diaphragm wall is conveniently butted and fixed with the pre-buried H-shaped steel, and turbulent flow in the pouring process of the underground diaphragm wall is effectively prevented; meanwhile, the structure is simple, manufacturing is convenient, and reutilization can be achieved.

The invention provides a blade electric vehicle water-cooling controller cooling water runner structure which comprises a water-cooling plate, a water-cooling base is integrally arranged at the lower end of the water-cooling plate, and an IGBT module is installed on the side, away from the water-cooling base, of the water-cooling plate so that the IGBT module can be cooled through the water-cooling base; and the cover plate is mounted at the outer end of the water cooling seat and is fixedly combined and connected with the water cooling seat through a friction stir welding process. A first cooling flow channel, a second cooling flow channel and a third cooling flow channel of the device are separated through heat conducting plates, the first cooling flow channel and the second cooling flow channel are not communicated, turbulent flow is avoided, the second cooling flow channel exchanges heat with the first cooling flow channel through reverse flowing of cooling water, the uniformity of the water level of the first cooling flow channel is improved, and the cooling efficiency is improved. And heat conduction is facilitated, the water temperature in the first cooling flow channel is reduced, the cooling performance of the first cooling flow channel on the water cooling plate is further improved, the problem of heating of the IGBT module is solved, and temperature balance of the IGBT module is achieved.

The invention discloses a multi-channel ultraviolet optical ozone concentration analyzer for space ozone disinfection, which comprises a multi-channel ultraviolet optical ozone concentration analyzer main body, a multi-channel flowmeter, a multi-channel sampling tube, a multi-channel tee joint, a multi-channel ozone tail gas destructor and a negative pressure suction air pump, the ozone disinfection room or the air return pipeline is sampled and analyzed in a multi-channel pipeline connection mode, the ozone concentration analyzer has the function of automatically correcting the zero point, zero point deviation is avoided, the problems that an electrochemical principle ozone detector is short in service life, poor in linearity and poor in precision are solved, and the ultraviolet optical ozone concentration analyzer has the advantages of being long in service life, high in accuracy and the like. The change of the ozone concentration can be monitored in real time, so that the purpose of accurately controlling the ozone yield to be added into the disinfection space is achieved.

This invention relates to the field of embryo resuscitation technology and discloses an auxiliary warming device for frozen embryo resuscitation, including a collection plate. A fixing ring is fixedly connected to the side wall of the collection plate, and a forward threaded groove is formed on the side wall of the fixing ring. The cover plate drives the separator ring to rotate clockwise through the contact rod and the fixing plate. Since the reverse threaded groove rotates in the opposite direction to the forward threaded groove, the rotating ring will move upward at this time. The upward rotating ring will drive the separator ring to move upward synchronously, so that the through hole gap coincides with the flow hole. At this time, the new solution on the outer wall of the separator ring flows downward through the flow hole and the through hole gap. Finally, the new solution mixes with the solution inside the collection plate. At this time, the pressure of the dripping will be absorbed by the top of the fixing ring and will not directly contact the solution inside the collection plate. When the operator twists the cover plate to close it, the flow hole and the through hole gap will coincide, and the new solution will mix with the solution inside the collection plate, effectively reducing the damage to the outer wall of the embryo cell membrane when injecting the new solution.

The embodiment of the application provides a bidirectional fresh air structure and an air conditioner, the bidirectional fresh air structure comprises: an inner cylinder, which is provided with a fresh air inlet, a fresh air cavity and a fresh air outlet which are sequentially communicated; an outer cylinder, which is sleeved outside the inner cylinder to form a dirty air cavity between the outer cylinder and the inner cylinder, the outer cylinder is respectively provided with a dirty air return air outlet and a dirty air exhaust outlet at both ends, the dirty air return air outlet and the dirty air exhaust outlet are respectively communicated with the dirty air cavity, the fresh air inlet and the fresh air outlet are respectively located outside the outer cylinder, and the dirty air exhaust outlet and the fresh air inlet are opposite in direction.

The invention provides an unmanned aerial vehicle with a fixed wing and multi-rotor-wing switching function, and relates to the technical field of unmanned aerial vehicles, the unmanned aerial vehicle comprises an unmanned aerial vehicle body, two unmanned aerial vehicle fixed wings, two carrying frames, unmanned aerial vehicle rotor wings, auxiliary wings, rotor wing supporting frames, rotor wing check rings, motors and supporting shaft sleeves, and blocking columns are machined on the outer walls of the rotor wing check rings; a supporting shaft rod is machined at one end of the bumping post, the supporting shaft rod is sleeved with a bevel gear B, and the top of the bevel gear B is meshed with a bevel gear A; according to the technical scheme, two motors at the two ends of a carrying frame are used for controlling rotating shafts corresponding to the motors to drive bevel gears A to drive bevel gears B to rotate, and when supporting shaft rods rotate in supporting shaft sleeves, the supporting shaft rods drive unmanned aerial vehicle rotors to be switched from the horizontal state to the vertical state through bumping posts and rotor check rings; when the unmanned aerial vehicle is switched from a rotor wing flight state to a fixed wing flight state, turbulent flow of the four unmanned aerial vehicle rotors can be avoided, and the flight stability of the unmanned aerial vehicle can be improved conveniently.

The utility model relates to the technical field of biosafety cabinets, in particular to a biosafety cabinet with a stable structure. According to the technical scheme, the biological safety cabinet with the stable structure comprises a biological safety cabinet assembly and further comprises a cabinet machine support; a cabinet support is arranged at the lower end of the biological safety cabinet assembly, and the cabinet support is fixedly connected with a shell of the biological safety cabinet assembly; the biological safety cabinet assembly comprises a cabinet body, a negative pressure chamber, a positive pressure filter chamber, a fan, a filter element, an exhaust screen plate, a ventilation support, a pressing bolt strip, a screw clamping support, a clamping groove clamping edge and a limiting clamping groove strip. According to the utility model, the filter element in the fan and the exhaust screen plate is clamped and fixed through the pressing bolt strip, and is pressed and locked by matching with the screw clamping bracket, and at the moment, the clamping groove clamping edge on the outer side of the lower end of the pressing bolt strip is clamped into the inner side of the lower end of the limiting clamping groove strip, so that the air tightness between structures is effectively improved, and structural gaps caused by shaking are prevented.

The present invention provides a chip conveying track with a deceleration device, including a chip deceleration device, a track assembly, a material pipe, and a control panel. The chip deceleration device is used to decelerate the chips in the air blowing track of the track assembly. The track assembly is provided with an air blowing assembly, which is used to blow and convey the chips. The air blowing assembly blows the chips from the air blowing conveying track in the track assembly to the material pipe. The control panel is connected to an air supply control system, which controls the air supply process of the air blowing assembly and the cylinder in the chip deceleration device. The chip conveying track with a deceleration device described in the present invention can achieve the stability of the air blowing conveying chips and protect the chips from damage, while reducing the machine alarm rate caused by chip jamming, improving the efficiency of testing, improving the stability of the machine, reducing the defective rate, and improving the quality of the product.

The invention discloses an engine pneumatic probe closed wind tunnel rotating window test clamp which comprises a disc base, the disc face of the disc base is fixedly connected with one end of a symmetrical wing-shaped supporting arm, and the other end of the symmetrical wing-shaped supporting arm is fixedly connected with the outer side wall of a cylindrical fairing. The disc base, the symmetrical wing-shaped supporting arms and the cylindrical fairing are provided with hole channels which are communicated with one another and used for installing a pneumatic probe, and the hole channels located in the symmetrical wing-shaped supporting arms are cavity holes matched with the installation part of the pneumatic probe. A detection part of the pneumatic probe penetrates through a hole channel in the cylindrical fairing and extends into the cylindrical fairing; according to the scheme, an internal flow channel of an engine is simulated through the cylindrical fairing, and meanwhile interference of turbulent flow generated by an appearance step point of the pneumatic probe on a pressure measuring hole of a detection part of the pneumatic probe is isolated; the front end of the cylindrical fairing is designed to be an annular thin-edge tip, so that turbulent flow of flowing air flow can be prevented, and the flow field quality of the air flow in the cylindrical fairing is guaranteed.

The air-cooled cooking utensil comprises a pot body and an inner container, the pot body comprises an outer cover provided with a ventilation window, a heat preservation cover provided with an air inlet, a fan used for cooling the inner container and a fan support, the fan support is fixed to the heat preservation cover corresponding to the air inlet, and the ventilation window and the fan support are in butt joint to form an air inlet channel; the fan is located in the air inlet channel, the butt joint position of the ventilation window and the fan support is located in the interlayer space of the outer cover and the heat preservation cover, and a sealing piece is arranged between the ventilation window and the fan support to seal the butt joint gap between the ventilation window and the fan support. The sealing piece is arranged between the ventilation window and the fan support, the butt joint gap between the ventilation window and the fan support can be sealed, the problem that cold air generated in the using process leaks into the interlayer space from the gap or the fan sucks hot air in the interlayer space from the gap is solved, the air cooling efficiency is further improved, and the air cooling effect on the inner container is improved.

The coiled tube type heat exchanger comprises a core cylinder, a front end and a rear end are symmetrically arranged at the two ends of the core cylinder, a plurality of heat exchange tube bundle sets are arranged on the peripheral side of the core cylinder in a surrounding mode, the two ends of each heat exchange tube bundle set are fixed to the front end and the rear end respectively, and folded empty areas are arranged between the front end and the core cylinder and between the rear end and the core cylinder respectively. And the two ends of the heat exchange tube bundle set are respectively bent in the hollow folding areas. According to the technical scheme, 1, heat exchange layout is independently formed in each area, the number of tube bundles between the layers is the same, when the tube bundles cannot be evenly distributed in the areas, the maximum difference of the total number of the areas is 1 through staggered partition, and the basically same heat exchange capacity of the areas is guaranteed; 2, by arranging a folded empty area and bending design of the inner-layer tube bundle and the middle tube bundle, the fixing mode of a tube hoop is canceled, and the problems of turbulent flow, failure and the like caused by the use of the tube hoop are avoided; and 3, the bending of the heat exchange tube is a three-dimensional space structure or continuous transition without a straight section, the later bending can influence the deformation data of the first bending due to ductility, the bending area is divided, and the bending area is formed at one time through deformation simulation and test correction, so that the problem of shape memory of the heat exchange tube is solved.

The utility model provides a support assembly and an electronic equipment accessory, the electronic equipment accessory is provided with the support assembly to achieve a supporting function, the support assembly comprises an annular supporting part, the supporting part comprises a first supporting part and a second supporting part which are connected in the annular direction, the first supporting part is made of a metal material, and the second supporting part is made of a non-metal material; the first supporting part and the second supporting part are of an integrally-formed structure. According to the application, the supporting component is arranged to be the metal part and the non-metal part which are integrally connected in the annular direction, on one hand, the situation that the metal part forms an annular closed structure and disturbs wireless transmission can be effectively avoided, and on the other hand, the metal part and the non-metal part are integrally formed and connected so that the structural strength can be enhanced; the supporting stability of the supporting component is ensured.

The utility model discloses a valve device and gas water heater relates to water heater technical field, wherein, valve device includes valve body and valve core subassembly, valve body is equipped with valve cavity and with valve cavity communication's water inlet flow channel, first water outlet flow channel and second water outlet flow channel, and first water outlet flow channel has with valve cavity communication's first water pass -through, and second water outlet flow channel has with valve cavity communication's second water pass -through, valve core subassembly rotatablely is located in valve cavity, valve core subassembly includes axially spaced first valve core and second valve core and is connected first valve core and second valve core's connecting structure, and connecting structure is located in the periphery of valve core subassembly rotation center, and first valve core is used for shielding or opening first water pass -through to adjust the conduction area of valve cavity and first water outlet flow channel, and second valve core is used for shielding or opening second water to adjust the conduction area of valve cavity and second water outlet flow channel, the utility model provides technical scheme can avoid in flow channel and produce turbulence, to reduce water flow resistance.

The utility model provides a bidirectional heat exchange fin which comprises a fin body, a mounting hole formed in the fin body, a first heat exchange hole set formed in one side of the mounting hole and a second heat exchange hole set formed in the other side of the mounting hole, and the first heat exchange hole set and the second heat exchange hole set are symmetrically arranged along the center line of the mounting hole. The first heat exchange hole set and the second heat exchange hole set are arranged to replace corrugations arranged on the fin body in the prior art, the first heat exchange hole set and the second heat exchange hole set can communicate with the two faces of the fin body, turbulent flow generated in the process that fluid flows into the heat exchange fin body is avoided, and the situation that heat resistance of the fluid is increased, and the heat exchange efficiency is reduced is avoided. And fluid can enter from the two sides of the fin body, the heat exchange area is kept unchanged, the installation convenience of the heat exchange fin is improved, and the heat exchange fin has the advantages of being simple in structure and convenient to produce, popularize and implement.

The large-tonnage loader is characterized in that a noise reduction and heat insulation plate assembly is arranged in a cabin and between an engine and a radiator, the noise reduction and heat insulation plate assembly comprises a sound insulation and heat insulation sponge partition plate and a partition plate support, and an independent S area space is formed between the noise reduction and heat insulation plate assembly and the radiator; an engine is arranged in an independent cabin through an independent S area space, heat radiation of high-temperature objects such as a silencer of an engine body and cold air entering the cabin from the outside of the cabin are isolated through a noise reduction and heat insulation plate assembly, and sound insulation and heat insulation sponge is installed on the face, corresponding to the engine, of the noise reduction and heat insulation plate assembly. The temperature difference between a high-temperature medium in the radiator and cold air is increased, the radiating performance of the radiator is improved, and the occurrence probability of high-temperature alarm shutdown faults is greatly reduced.

This utility model relates to the field of cement rotary kiln technology and discloses a cement rotary kiln for preventing high-temperature deformation. It includes a base, with a support frame fixedly connected to the inner wall of the base. A fixed chamber is fixedly connected to the outer wall of the support frame. A motor drives a reciprocating screw to rotate, causing the stirring blades to turbulently move the coolant, preventing the coolant from flowing slowly when the outer wall of the chamber rotates. Furthermore, the rotation of the chamber can displace the rotating sleeve, allowing it to collect coolant during lifting and then spray it out during subsequent rotation, ensuring greater heat dissipation over a larger area. The rotation of the reciprocating screw also causes the limited slider to displace, which in turn moves the connecting plate and the actuating plate, allowing the actuating plate to better mix and agitate the coolant, further promoting the flow and mixing of the coolant within the base and improving the overall heat dissipation effect.

The utility model discloses an inclined tube settling pond and biological digestion device, relates to biological digestion technical field, including settling pond and filtration subassembly, said settling pond internal upper part is provided with filtration subassembly, and the one side of filtration subassembly is connected with lifting subassembly, and the left side and right side of lifting subassembly are both provided with liquid inlet valve, and the liquid inlet valve is connected with the liquid inlet valve. A desilting assembly is installed on the bottom side in the sedimentation tank, and a honeycomb inclined pipe is installed in the middle in the sedimentation tank. According to the inclined tube sedimentation tank and the biological digestion device, the filtering assembly is arranged at the upper part in the sedimentation tank, so that residual impurities such as grease in sewage after biological digestion can be ensured to the greatest extent, the purification and filtration effects are ensured, and the use of the lifting assembly can assist an operator in moving and adjusting the filtering assembly, so that the operation is convenient. And the desilting assembly arranged at the bottom in the sedimentation tank can prevent sludge or sediments from being deposited in the sludge deposition area and assist the sludge or the sediments to be discharged into the sludge discharging tank.

The application discloses a patio machine, which comprises a main body frame, an air outlet assembly, a lifting mechanism and a guide vane, and an air outlet air duct is formed in the main body frame; the air outlet assembly is connected to the main body frame through the lifting mechanism, a first air outlet is formed between the air outlet assembly and the main body frame through lowering, the main body frame has a first wind blocking part, the air outlet assembly has a second wind blocking part, the first wind blocking part and the second wind blocking part cooperate to cut off a return air outlet and the first air outlet when the air outlet assembly is lowered to a working position, the guide vane is located in the air outlet air duct, a first end of the guide vane is swingably arranged on the main body frame, a second end of the guide vane is overlapped on the second wind blocking part when the air outlet assembly is lowered to the working position, and the guide vane is used for guiding air outlet to the first air outlet. The patio machine of the application blocks the irregular structure inside the air duct through the guide vane, so that the air outlet efficiency is higher, and the air volume loss is reduced.

The filter cartridge dust remover comprises a plurality of filter cartridge units, each filter cartridge unit comprises a vertically-arranged filter cartridge and an induction nozzle assembly located over the filter cartridge, and each induction nozzle assembly comprises a nozzle and an air diffuser located under the nozzle; the air diffuser is of an integrated structure, is of a big-end-down water-drop-shaped structure and comprises a cone frustum structure part located on the upper portion and a hemisphere structure part located on the lower portion. The geometric central axis of the cone frustum structure part passes through the sphere center of the hemisphere structure part, and a central flow guide hole penetrating through the air diffuser in the axial direction is formed in the position of the geometric central axis of the cone frustum structure part. According to the filter cartridge dust remover, the overall blowing strength and blowing uniformity can be considered, airflow can be effectively induced and converged through the arrangement of the air diffuser of the water drop type structure and the central flow guide hole, and then the high dust removal efficiency and the good dust removal effect are achieved.

The utility model relates to the technical field of household appliances, and discloses a water inlet structure for a water heater and the water heater. The water inlet structure for the water heater comprises a water inlet inner pipe and a flow guiding device, one end of the water inlet inner pipe is open, the other end of the water inlet inner pipe is closed, and an inner water outlet hole set is formed in the side wall of a water outlet section of the water inlet inner pipe; the flow guide device is arranged in the water inlet inner pipe, a water inlet channel and a flow guide channel communicated with the water inlet channel are arranged on the flow guide device, the water inlet channel extends in the length direction of the water outlet section, and the flow guide channel directly faces and is communicated with the inner water outlet hole group; water flowing through the water inlet channel can flow out of the inner water outlet hole set in the radial direction of the water inlet inner pipe under the flow guide effect of the flow guide channel. The water inlet structure for the water heater can guide the water outlet direction of water flow, so that cold and hot water layering is prevented from being damaged, cold and hot water turbulent flow is reduced, and the hot water output rate of the electric water heater is increased.