17results about How to "Continuous and stable output" patented technology

The invention discloses a fuel cell BOP power supply device and system, a control method, equipment and a medium, is applied to the technical field of fuel cells, and particularly adopts a direct-current power supply system taking power from a power grid as a main power supply and an energy storage system as a hot backup to supply power to a BOP in parallel, determining a target output voltage not lower than the output voltage of the energy storage system based on the current SOC of the energy storage system, and controlling the DC power supply system to output the target output voltage; when it is determined that the direct-current power supply system has the power supply fault, the connection between the direct-current power supply system and the BOP power supply bus is controlled to be disconnected, and since the energy storage system is always hung on the BOP power supply bus for continuous output from the time when the direct-current power supply system has the power supply fault to the time when the direct-current power supply system is cut out, the performance of the BOP power supply is not affected, and normal power generation is ensured; time is won for power-off maintenance, normal shutdown according to plans is guaranteed, the sudden stop frequency is reduced, and the service life of a power generation system is guaranteed.

The invention discloses a large-air-volume ammonia gas decomposition hydrogen production purification device, and relates to the technical field of ammonia gas hydrogen production. Through the arrangement of an auxiliary sealing replacement mechanism, when a large amount of ammonia gas is subjected to hydrogen production purification, power is generated through circulation of airflow to blow a fan to rotate, then rotation of the fan is converted into centrifugal force, an arc-shaped sliding block is pushed to abut against a through hole, and therefore when hydrogen production purification work is carried out, the connection stability of a drawing plate and a purification device is guaranteed; furthermore, under the action of a sealing rubber ring arranged on the periphery of the drawing plate, the sealing performance and the stability of the auxiliary connection are guaranteed during the purification operation of hydrogen production through large-air-volume ammonia gas decomposition, and the situation that poisonous gas in decomposed gas leaks and hurts workers is avoided; and due to the implementation of the structure, further fastening is achieved under the flowing of the air flow, and the situation of loosening is avoided.

The utility model discloses a kind of processing boxes, including the photosensitive unit with waste powder discharge passage and the carbon powder container with waste powder storage part, waste powder storage part has waste powder inlet, waste powder in photosensitive unit can be into waste powder storage part via waste powder discharge passage and waste powder inlet;Waste powder discharge part, it is set to reciprocatingly move in waste powder discharge passage, and then waste powder is discharged from waste powder discharge passage to the waste powder inlet of waste powder storage part;Compared with prior art, the utility model uses the waste powder discharge part that can reciprocate, transmission is carried out by intermittent pushing developer, avoid persistent friction and compression developer, to avoid the situation that developer appears local accumulation or caking, to realize the continuous stable output of developer.

The utility model provides a linkage switching valve and a continuous refrigerating and heating device, and belongs to the technical field of refrigerating and heating equipment. The linkage switching valve comprises a valve shell, a sliding column and a connecting rod, the valve shell is provided with a sliding cavity, a main connecting pipe used for being connected with the main pipe and N branch connecting pipes used for being connected with the branch pipes, and N is a positive integer larger than or equal to 2; the sliding column is arranged in a sliding cavity of the valve shell in a sliding mode, a groove and N communicating holes are formed in the sliding column, in the sliding stroke of the sliding column, the groove is communicated with the main connecting pipe, the N communicating holes are communicated with the groove and correspond to the N branch connecting pipes respectively, and after the sliding column slides by a preset distance, one communicating hole is communicated with the corresponding branch connecting pipe; one end of the connecting rod is connected with the sliding column, and the other end of the connecting rod is used for being connected with a driving mechanism of the refrigerating and heating assembly to drive the sliding column to slide in the valve shell along with movement of the driving mechanism, so that the linkage switching valve and the refrigerating and heating assembly move synchronously. The continuous refrigerating and heating device adopts the linkage switching valve.

The utility model discloses a pathological section atomization machine with a refrigeration function, which relates to the field of medical instrument detection instruments, and comprises an atomization machine body, a refrigeration device and a control device, the refrigeration device comprises a cooling fan, a cooling fin, a semiconductor refrigeration sheet and a metal heat conduction rod; the refrigeration device takes a semiconductor refrigeration sheet as a refrigeration source, the heat dissipation surface of the semiconductor refrigeration sheet faces outwards, and the semiconductor refrigeration sheet is connected with a heat dissipation sheet; the outer side of the cooling fin is connected with a cooling fan; the refrigeration face of the semiconductor refrigeration piece faces inwards and is connected with one end of a metal heat conduction rod, and the other end of the metal heat conduction rod penetrates through the side wall of the atomizing chamber, is directly immersed in water liquid and is fastened through a bolt for refrigeration and cooling. According to the utility model, the rising of the water mist temperature in the working process of the atomizing machine can be obviously controlled, the environmental requirement of cold mist required by pathological section work is met, and the safety and the stability of section work can be obviously improved.

The invention discloses a section bar for a photovoltaic module frame and the photovoltaic module frame, and relates to the technical field of solar photovoltaic modules, the section bar comprises a section bar body, the section bar body comprises a supporting assembly, the side surface of the supporting assembly is fixedly connected with a connecting plate, the side surface of the connecting plate is fixedly connected with a limiting assembly and a mounting assembly, and the limiting assembly is fixedly connected with the mounting assembly. The mounting assembly is located below the limiting assembly. In the using process, the telescopic compensation frame is arranged between the first fixing plate and the limiting plate and is designed to be S-shaped, and when the overall profile body generates thermal expansion deformation to loosen limiting of the solar cell, the S-shaped telescopic compensation frame can generate thermal expansion deformation towards the two sides at the moment, so that the solar cell is prevented from being damaged. The limiting plate is pushed through thermal expansion deformation generated by the telescopic compensation frame, so that it is ensured that the limiting plate and the second fixing plate have enough clamping force on the solar cell to limit and fix the solar cell, and the reliability, stability and power generation efficiency of the whole photovoltaic module are improved.

This utility model relates to the technical field of dental medical devices, and more particularly to a polishing head with interchangeable heads. It includes: a body with an internal drive motor and a speed-changing mechanism, the drive motor and the speed-changing mechanism being connected in a transmission connection; and a head, including a straight head and an elbow, which can be selectively and detachably connected to the front end of the body. The straight head or elbow has a working component inside, which is connected in a transmission connection to the speed-changing mechanism. The drive motor can drive the speed-changing mechanism to rotate, thereby rotating the working component. This utility model provides a polishing head with interchangeable heads. By using a detachable connection between the head and body, and allowing the straight head and elbow to be selectively connected to the front end of the body, users can easily select and quickly change between the straight and elbow heads according to their needs, thereby obtaining a larger operating space or a better operating field of vision.

The utility model discloses a sensor fusion loading mechanism which comprises a machine-mounted box, a vertical rod and a positioning structure. And an accommodating space for accommodating sensor processing equipment is arranged in the airborne box. The sensor is located at the top end of the vertical rod, the middle of the vertical rod is fixedly connected with the onboard box, and the bottom end of the vertical rod is connected into the transverse reinforcing beam. The positioning structure comprises a transverse reinforcing beam, a bottom frame and a positioning plate, the transverse reinforcing beam and the positioning plate are located on the two sides of the bottom frame respectively, one side of the positioning plate is fixedly connected with the airborne box, and the other side of the positioning plate is fixedly connected with the bottom frame. The sensor fusion loading mechanism disclosed by the utility model has the beneficial effects that the walking structure can drive the positioning structure to move, so that the positioning structure can be arranged to a specific position needing traffic monitoring, and the usability and the practicability are improved.

The utility model belongs to the technical field of tooth flushing equipment, and particularly relates to a water outlet pipe of a water toothpick and tooth flushing equipment, the water outlet pipe of the water toothpick comprises a water pipe main body and a micro bubble generating structure, the water pipe main body is internally provided with a bubble generating section water path and a flow stabilizing section water path in sequence; the micro-bubble generating structure comprises a porous foaming core part and an expanded foaming core part; the porous foaming core piece is arranged at the water inlet end of the bubble generation section water path; the expansion foaming core piece is arranged at the water outlet end of the bubble generation section water path; the steady flow section water path is arranged on the water outlet side of the expansion foaming core piece; according to the utility model, the flow velocity is increased through the porous foaming core piece, the gas-liquid mixing efficiency is enhanced so as to generate bubbles, and the bubbles are promoted to be broken and uniformly distributed through the expansion foaming core piece; therefore, the water outlet pipe of the water toothpick and the tooth washing equipment are compact in structure and more simplified in design, and are suitable for daily easy use of families and portable requirements of travel work.

The invention relates to an electric energy output device and method applied to series boosting of a low-conductivity fluid connected domain, and the device comprises at least one electric energy output module which comprises an insulator cabin, a metal plate antipode is arranged in the insulator cabin, a lead of the metal plate antipode extends out of the insulator cabin, the side surface of the lower end of the insulator cabin is provided with a lower opening, and the upper end surface of the insulator cabin is provided with an upper opening; the inflow channel is connected with the lower opening, is attached to the surface of the insulator cabin and spirally surrounds for a circle, and then ends with an inlet, and the inlet faces downwards at the bottom of the insulator cabin; the outflow channel is connected with the upper opening, is attached to the surface of the insulator cabin and spirally surrounds the insulator cabin by a circle and then ends with an outlet, and the outlet faces upwards at the top of the insulator cabin. According to the invention, the inflow channel and the outflow channel increase the length of the low-conductivity fluid, a plurality of modules are located in the same connected domain, the mutual resistance is increased, the series boosting of the modules is ensured from the circuit, the inflow channel and the outflow channel are mutually attached and arranged in parallel, and the outflow and inflow heat exchange are completed.

This invention aims to provide an egg roll steam hair styling tool, including a shell and a steam assembly. The shell includes a first housing and a second housing, with one end of the first housing and the second housing hinged together. The steam assembly includes a first clamping plate, a second clamping plate, a steam element, and several heating plates. The first clamping plate is disposed on the first housing, the second clamping plate is disposed on the second housing, at least two heating plates are disposed on the first clamping plate, and at least one heating plate is disposed on the second clamping plate. The steam element is disposed on the first clamping plate, and the steam element and the first clamping plate together clamp a heating plate. The first clamping plate has at least one air outlet, and the air outlet communicates with the steam element. The first housing and the second housing are brought closer together by external force to clamp the hair together, so that the steam in the steam element is sprayed into the gap between the first clamping plate and the second clamping plate through the air outlet. In this way, the vaporization rate is increased and the steam particles are refined, ensuring a continuous and stable steam output, and significantly improving the hair styling effect and hair care experience.

The invention discloses a self-powered milk sterilization device and method based on magnetic coupling friction nanometer power generation. The device comprises a friction power generation system and a sterilization system. According to the invention, high-efficiency sterilization and safety adaptation are taken into consideration, and a miniaturized food scene is adapted: on one hand, a synergistic effect of combining electrostatic capture with point discharge electroporation is adopted, the inactivation efficiency on common pathogenic bacteria such as escherichia coli and staphylococcus aureus is greater than or equal to 99%, high-temperature treatment is not needed, and nutrient substances such as lactose and protein in milk can be completely reserved; on the other hand, the device is small in overall size, light in weight, capable of being directly connected into a milk conveying pipeline of a family or a small pasture, easy to operate and low in maintenance cost, meanwhile, all components making contact with milk are made of food-grade materials, leakage is prevented through cooperation with a sealing structure, secondary pollution is avoided, and the food safety standard is met.

The application discloses a dynamic compensation mechanism of a punch body, belongs to the technical field of punch transmission mechanisms, and aims to provide a dynamic compensation mechanism of a punch body which can guarantee the stability of the output of a driver without configuring a flywheel, comprising a rack, a crank and lifting plates, the rack comprises a pair of configuration plates, guide rails are fixedly connected to the top and bottom of each configuration plate, all the guide rails are parallel, the crank is rotationally connected to the two configuration plates, the crank comprises a central shaft, a left rotating shaft is connected to one end of the central shaft through a left connecting plate, a right rotating shaft is connected to the other end of the central shaft through a right connecting plate, and the central shaft, the left rotating shaft and the right rotating shaft are parallel to each other. Two lifting plates are designed, a stamping die and a counterweight piece are respectively installed on the two lifting plates, and the two lifting plates reciprocatingly make lifting movements of approaching each other and moving away from each other under the driving action of the crank, the counterweight piece is used for balancing the torque borne by the crankshaft, and the continuous stability of the output of the driver can be guaranteed without configuring a flywheel structure.

The invention relates to the technical field of underwater driving, in particular to an underwater liquid cooling propeller which comprises a main cabin body, a shell support, a fixing support and a driver, a control module and a power module are arranged in the main cabin body, the control module is electrically connected with the power module, and the control module is electrically connected with the driver; the shell bracket is arranged on the main cabin body, and the fixed bracket is arranged on the shell bracket; the driver is arranged at one end of the main cabin body; the driver comprises a driving flow guide cover, a driving device and driving fan blades, the driving device is arranged in the driving flow guide cover, the driving fan blades are arranged at the driving end of the driving device, and one end of the driving flow guide cover is arranged on the main cabin body. Through the characteristics of high efficiency, stability and reliability, an ideal propelling solution is provided for the fields of underwater vehicles, underwater robots and the like.

The invention relates to the technical field of medical instruments, and discloses an acupuncture and moxibustion combined auxiliary support which comprises a mounting table, a rotating mechanism is arranged in the mounting table, a treatment mechanism is arranged on the rotating mechanism, and a fixing mechanism, a purifying mechanism and a temperature sensing assembly are arranged in the treatment mechanism. The outer side of the mounting table is connected with a spring adjusting support through a protection mechanism, the bottom end of the spring adjusting support is fixedly connected with a base, and anti-skid particles are arranged at the bottom of the base. External interference can be effectively resisted through the fixing mechanism, it is guaranteed that the position of the moxa cone is stable in the moxibustion process, moxibustion heat is continuously and stably output, then different moxibustion modes can be achieved through the rotating mechanism, the treatment effect is improved, moxibustion treatment means are enriched, and diversified treatment requirements of different patients are met. Through the temperature sensing assembly and the protection mechanism, the burden of medical staff in moxibustion treatment can be relieved.