29results about How to "Control flow" patented technology

The utility model relates to a kind of driving structure, belong to microfluidic chip technical field, specifically a kind of liquid driving structure of microfluidic chip;In the utility model, when elastic film is used for a long time, limit frame is removed, so that limit frame and fixed frame separate, then elastic film is removed, new elastic film is sleeved on limit column, then limit frame is covered, and elastic film is fixed, so that elastic film is replaced easily, cooperation is carried out by motor, carousel, threaded rod, threaded block, connecting column, sliding frame and extruding roller, the speed of reciprocating movement of extruding roller is adjusted by the rotation of motor, so as to adjust the flow rate of liquid, when the flow of liquid needs to be adjusted, threaded rod is rotated, since threaded block is screw thread connected on threaded rod, so threaded rod moves along with the rotation of threaded block, drives connecting column to move, so that the range of sliding frame movement reduces, the extrusion degree of extruding roller to elastic film is reduced, so as to control the flow of liquid, improve the practicability of the device.

The utility model discloses a novel universal shaft assembly, including bottom plate, be provided with fixed subassembly on the bottom plate, the fixed subassembly includes mounting seat, fixed base, bolt, first axle body and second axle body, the mounting seat fixed mounting is at the both ends of bottom plate's top, the fixed base can be detached and installed on the mounting seat, the bolt can be detached and installed between fixed base and mounting seat, first axle body and second axle body are placed on the mounting seat respectively, be provided with disassembly subassembly on the fixed base, the disassembly subassembly includes oil injection pipe, connecting pipe and resist the pole, oil injection pipe fixed mounting is on the fixed base, connecting pipe fixed mounting is on the oil injection pipe, resist the pole sliding connection on the connecting pipe, to solve the background art mentioned in the installation fixed time of current universal shaft, although the traditional method can ensure the firmness of universal shaft, when universal shaft needs to maintain or replace, the more complicated technical problem.

This utility model relates to the technical field of electronic component testing equipment, specifically a Kelvin testing device. It includes a high-temperature resistant insulating housing, an adjustment bracket, a high-temperature resistant insulating cover, a push-button switch, and an inert gas inlet. The adjustment bracket is installed inside the high-temperature resistant insulating housing, and the component under test (DUT) is placed on the adjustment bracket. The position of the adjustment bracket is adjustable to ensure that the DUT is aligned with the test point. The high-temperature resistant insulating cover is hinged to the high-temperature resistant insulating housing, and the push-button switch is installed on the high-temperature resistant insulating housing, allowing the cover to be opened and closed by pressing the switch. The inert gas inlet is fixed to the high-temperature resistant insulating housing and connected to an inert gas source pipeline. It provides a stable testing environment, adapts to DUTs of different sizes, is high-temperature resistant and insulating, and protects the safety of the tested component.

The application discloses a novel overspeed protection device, which comprises a device body, wherein the device body comprises a base, a support device, an assembling table, a terminal mounting table, a terminal box and a protection device; the support device is provided in one group, and the support device is fixed on the top of the base through welding; the assembling table is fixed on the top of the support device through welding; the terminal mounting table is fixed on the front end of the assembling table through screws; the terminal box is fixed on the terminal mounting table through screws; and the protection device is installed on the top of the assembling table; the protection device comprises an integrated block, a first electromagnetic valve, a second electromagnetic valve, a hydraulic control reversing valve, a safety oil pipe, a pressure oil pipe, an oil return pipe, a pressure switch and a pressure gauge. The device can more accurately control the flow direction and pressure of oil, can quickly and accurately perform protection actions such as safety oil unloading when abnormal conditions such as overspeed occur, and can guarantee the safe operation of equipment and improve safety.

The utility model provides a kind of automation jellyfish filters, sterilization equipment, it is related to jellyfish field. Including main support and support platform, the top of support platform is fixedly connected with inlet conduit, the inner wall of inlet conduit is inserted with liquid storage bin, the bottom of support platform is fixedly connected with DC motor one, the output shaft of DC motor one is fixedly connected with force disc, the top of force disc is rotatably connected with force cam, force cam is slidably connected in the inner wall of stress linkage plate, the side of stress linkage plate is fixedly connected with blockage platform. The application is set through support platform, inlet conduit, liquid storage bin, DC motor one, force disc, force cam, stress linkage plate, blockage platform, liquid passage, can reach the purpose of accelerating dirty sedimentation efficiency, solve the mode of natural sedimentation dirt, the problem of too low efficiency, greatly improve practical effect, and the flow of chemical liquid can be controlled, avoid waste phenomenon.

A RAP asphalt mixture asphalt extraction device relates to the field of road engineering material testing technology, and is used to solve the problems of insufficient filtration accuracy, low filtration efficiency, cumbersome operation, and lack of flow monitoring in existing technologies. The device includes an integrated frame (1), on which a stirring extraction module (2) and a pressurized filtration module (3) are installed. The liquid outlet of the stirring extraction module (2) is connected to the liquid inlet of the pressurized filtration module (3) through a guide pipe (5). The pressurized filtration module (3) includes three industrial syringe assemblies connected in series. Each assembly contains filter plates with different filtration accuracies. The device also includes the connection and working cooperation between the propulsion assembly and the syringe plunger (301-1) of the industrial syringe assembly. Gradient filtration is achieved by sequentially passing through a three-stage filtration unit with millimeter-level filtration layer, micron-level filtration layer, and nano-level filtration layer. This device can realize integrated operation, gradient filtration purification, pressurized high-efficiency filtration, and real-time monitoring of liquid flow.

The utility model relates to a kind of efficient adjustable cloth coating machine, including spraying box, the top of spraying box is installed feed tank, the discharge port of feed tank is installed feed pipe, water swivel joint is connected with the one end of feed pipe, the other end of water swivel joint is connected with the feed hollow disc feed end, feed hollow disc is set in spraying box inner chamber one end, the outside of feed hollow disc is movably connected with spraying box inner wall, the inside of feed hollow disc is fixedly connected with adjusting column, the other end of adjusting column is connected with the corresponding end of spraying box, the surface of adjusting column is installed several spraying injection plates, feed hollow disc inside is communicated with discharge pipe, the discharge end of discharge pipe is communicated with the feed end of spraying injection plate, the outside of feed hollow disc is installed intermittent adjusting mechanism;The utility model is by installing feed hollow disc and intermittent adjusting mechanism on spraying box, drive spraying injection plate to rotate, four spraying injection plates can be from different angles to cloth are sprayed, improve the uniformity and efficiency of coating.

The present application relates to the technical field of energy storage, and particularly relates to a direct cooling system. The direct cooling system comprises a compressor, a heat exchanger, at least two throttles and at least two liquid cooling plates, the compressor, the heat exchanger, the at least two throttles and the at least two liquid cooling plates are configured to be connected in sequence to form a refrigeration cycle loop for refrigerant to flow in the refrigeration cycle loop. The heat exchanger is configured as a condenser in the refrigeration cycle loop, the at least two throttles are connected in parallel, the at least two liquid cooling plates are connected in parallel, the at least two throttles are connected with the at least two liquid cooling plates one by one, the at least two liquid cooling plates are configured to exchange heat with the battery cell corresponding to the battery pack, and the throttle is configured to adjust the opening degree to adjust the flow of refrigerant in the corresponding liquid cooling plate. The flow of refrigerant in each liquid cooling plate can be controlled by respectively arranging a throttle upstream of each liquid cooling plate, thereby achieving uniformity of flow distribution.

The present application belongs to the technical field of water pump, and relates to a pump capable of increasing flow and pressure, comprising a pump body, a water inlet and a water outlet arranged on the pump body, an impeller and a water outlet cover arranged in the pump body and used for guiding pressurized fluid to the pump cavity, the water inlet and the inlet of the impeller being communicated through a flow channel body, the flow channel body comprising a throat pipe and a nozzle, the water outlet and the nozzle being respectively communicated with the pump cavity, the outer side of the nozzle being provided with a conversion turbine driven by a power device in two directions, the water pump being in a flow-increasing mode and a pressure-increasing mode respectively when the conversion turbine rotates in different directions, the conversion turbine driving fluid to flow in the opposite direction of the nozzle in the flow-increasing mode, and the conversion turbine driving fluid to flow in the direction of the nozzle in the pressure-increasing mode. The pump capable of increasing flow and pressure can select a high-flow mode or a high-lift mode according to actual requirements.

This invention relates to the technical field of liquid cooling systems, and more particularly to a flow blocking mechanism, a thermally adaptive flow regulation device, and a method. The device includes a temperature control component comprising a heated element that deforms with temperature changes and a driving element that sets the deformation direction of the heated element, the free end of the driving element forming a driving surface; and an adjustment component, fitted to the free end of the driving element, comprising a regulator, the sidewall of which has a lifting surface that mates with the driving surface, the tail end of which extends into the medium pipe to form a blockage. This flow blocking mechanism, thermally adaptive flow regulation device, and method utilize the deformation of the heated element due to temperature changes to control the movement of the driving element along the deformation direction of the heated element, thereby moving the regulator and changing the flow cross-section of the medium pipe to achieve automatic flow regulation with temperature changes.

The utility model discloses a filtering device for sintered colored sand production, which comprises a bottom plate, a screen frame is arranged above the bottom plate, a first screen mesh, a second screen mesh and a third screen mesh are sequentially and fixedly mounted in the screen frame, screen holes of the first screen mesh, the second screen mesh and the third screen mesh are different, three funnels are fixedly mounted on the bottom side of the screen frame, and the bottom side of the screen frame is provided with a filter screen. Three funnels are located below the first screen mesh, the second screen mesh and the third screen mesh correspondingly, the first screen mesh, the second screen mesh and the third screen mesh are arranged, the screen meshes of the screen meshes are different, three kinds of sintered colored sand different in size can be classified in one-time operation, a motor drives a beating plate to beat a screen frame, the screen frame is made to fully shake in cooperation with a first spring and a second spring, and therefore the sintered colored sand can be screened out through the first screen mesh, the second screen mesh and the third screen mesh. Compared with a traditional single-screen device, the multi-screen device has the advantages that the screens do not need to be replaced frequently, the production efficiency is greatly improved, continuous and efficient work can be achieved, the production progress is greatly promoted, the time and labor cost is reduced, and the requirements of the market for sintered color sand of various particle sizes are met.

This invention relates to a dieless spinning machine and spinning process, belonging to the field of dieless spinning machines. The dieless spinning machine and spinning process of this invention include a chuck mechanism, a spindle mechanism, a tailstock mechanism, at least two sets of external spinning mechanisms, and at least two sets of internal spinning mechanisms. Each set of external spinning mechanisms includes an external spinning wheel, and each set of internal spinning mechanisms includes an internal spinning wheel. The internal and external spinning wheels perform synchronous interpolation movements along the axial and radial directions. The radial gap between the internal and external spinning wheels is controlled and matched in real time according to the axial variation of the preset wall thickness of the wheel rim blank. Dynamic pressure support replaces the fixed mandrel, working together to achieve dieless spinning forming of the wheel rim blank. This invention has advantages such as significantly reducing production costs, improving production flexibility, improving forming quality, expanding the range of applicable materials, and facilitating automation integration.

This utility model discloses a VOC gas purification mechanism to control the fuel evaporation emissions of a vehicle when it is not in use. The VOC gas purification mechanism includes a first filter device, a two-way valve, and a one-way valve; the first filter device is provided with at least an exhaust port and an intake port; an exhaust pipe is led out from the exhaust port, and the end of the exhaust pipe is connected to the two-way valve; a circulation pipe is led out between the two ends of the exhaust pipe, and the end of the circulation pipe is connected to the intake port; a one-way valve is provided between the two ends of the circulation pipe, and the one-way valve only allows gas to flow from the exhaust pipe through the circulation pipe to the intake port.

The utility model relates to the technical field of conveying, and an embodiment of the utility model provides a conveying device for road brick production, including the bottom plate, the top of bottom plate is fixedly connected with the support rod, the top of bottom plate is provided with the vibration anti - jamming subassembly, the vibration anti - jamming subassembly includes the rotary rod, one end of rotary rod is rotatably connected in the side of support rod, one end of rotary rod is fixedly connected with motor no.

This utility model discloses a metering concentric screw valve, including a housing containing a motor; a valve body, with a rotor located at the axial center of the valve body at the output end of the motor. A coupling connects the rotor to the output end of the motor, transmitting the torque generated by the motor output to drive the rotor to rotate. The rotor consists of an integral rod body and rod head, with a double-threaded portion formed on the surface of the rod body. In this utility model, increasing the length of the rotor effectively adjusts the internal spatial layout of the cavity, allowing for smoother flow of adhesive within the cavity and a more uniform pressure distribution, thereby reducing the internal pressure and decreasing the possibility of adhesive leakage due to pressure. Furthermore, the rotor's thread structure is optimized and upgraded, changing the original single-layer thread structure to a double-layer thread structure, which provides a stronger force during rotor rotation.

The utility model discloses a cooling liquid flow direction conversion device and a liquid cooling system, and relates to the technical field of battery cooling, the device comprises a first three-way pipeline, the first three-way pipeline comprises an inflow main pipeline, a first branch pipeline and a second branch pipeline, the inflow main pipeline is connected with a liquid outlet of a water cooling machine, the first branch pipeline is connected with a first port of to-be-cooled equipment, and the second branch pipeline is connected with a second port of the to-be-cooled equipment; the second branch pipeline is connected with a second port of the to-be-cooled equipment; the second three-way pipeline comprises a main outflow pipeline, a third branch pipeline and a fourth branch pipeline, the main outflow pipeline is connected with a liquid return opening of the water cooling machine, the third branch pipeline is connected with a second port of the equipment to be cooled, and the fourth branch pipeline is connected with a first port of the equipment to be cooled; and the reversing structure is arranged on the first three-way pipeline and the second three-way pipeline. Through the pipelines and the reversing structures arranged on the pipelines, switching of the flowing direction of the cooling liquid is achieved, the regional temperature difference in the to-be-cooled equipment is reduced, and the cooling effect is improved.

The application discloses an encryption and decryption method, device and system, and belongs to the technical field of cryptography; considering that each user in the system is assigned with a specified access control strategy and attribute, the access control strategy of the user determines which type of receiver he can send a message to in the encryption process, and the attribute of the user determines which sender he can receive a message from; the application expresses the access control strategy based on a linear secret sharing matrix (LSSS matrix) to realize flexible expression of an arbitrary access strategy and has strong expression capability; on the basis, the application generates an encryption key embedded with a sender access control strategy for the sender, so that the fine-grained control of information flow in the system is realized by assigning corresponding access control strategies and attributes to different users in the communication process, the flow direction of the information flow of the encryption system can be better controlled, and the behavior of the user can be more conveniently and efficiently managed.

The utility model discloses a cooling impeller device on vacuum furnace, including vacuum furnace body, vacuum furnace body one end is provided with control panel, vacuum furnace body top is provided with cooling box, the inside fixed mounting of cooling box is provided with mounting bracket, the top fixed mounting of mounting bracket is provided with rotating motor, the output shaft through mounting bracket fixed mounting of rotating motor bottom is provided with rotating axle, and rotating axle outer periphery fixed mounting has the impeller that carries out cooling, the inside of cooling box and located mounting bracket directly below rotationally connected with guide vane plate, the utility model discloses through pulling slide block and drives adjusting rack, will linear motion convert for the circumferential motion of rotation gear, thereby the angle of guide vane plate is adjusted flexibly, only needs to pull slide block to be adjusted the angle of guide vane plate quickly, controls the flow of cooling medium, and the operation is simple, and need not complex adjustment step, and the quick adaptation of different cooling demand improves the versatility and flexibility of vacuum furnace cooling system.

The application relates to the technical field of heat sinks, in particular to a liquid cooling heat sink and an AI workstation. The liquid cooling heat sink comprises a cooling row, a cooling fan arranged on the cooling row, and a liquid cooling head connected with the cooling row; the liquid cooling head comprises a phosphor copper plate, a base and a flow guide block; the phosphor copper plate is provided with heat dissipation fins; the flow guide block is arranged in the base; the phosphor copper plate is arranged on the base; the heat dissipation fins are embedded on the flow guide block; a first flow channel is formed between the first side of the flow guide block and the base; the heat dissipation fins are provided with a second flow channel; the flow guide block is provided with a liquid injection port and a liquid return hole; the base is provided with a liquid injection connector and a liquid return connector; the liquid injection connector, the liquid injection port, the first flow channel, the second flow channel and the liquid return connector are communicated. Under the action of the flow guide block, the cooling medium flows through the liquid injection connector, the liquid injection port, the first flow channel, the second flow channel and the liquid return connector, the flow direction of the cooling medium can be well controlled, the cooling medium can fully exchange heat with the heat dissipation fins, and the heat dissipation capacity is better.

Embodiments of the present application disclose a CVD reaction device and a gas supply method applied to the CVD reaction device. The CVD reaction device comprises a reactor, a first pipeline, at least two second pipelines, at least one third pipeline and a first flow controller. The reactor is provided with a reaction cavity. The first pipeline forms a flow path for the reaction gas to flow between the inlet end and the outlet end. Each second pipeline is in communication with the outlet end and the reactor respectively. The third pipeline is in communication with at least one second pipeline and can supply carrier gas to the second pipeline. The first flow controller is arranged in the third pipeline, and the first flow controller can adjust the flow of the carrier gas flowing into the second pipeline from the third pipeline, so that the CVD reaction device can change the flow ratio of the reaction gas flowing into the reaction cavity from different second pipelines by changing the gas flow of the third pipeline.

This invention relates to the field of medical drainage and fluid management technology, and discloses a multi-channel drainage management device, including a main drainage pipe, a support base, a channel adjustment mechanism, and multiple adjustable peristaltic pumps. Multiple branch pipes correspond to flushing, drainage, and drug administration channels respectively, and are selectively connected to the main drainage pipe through the channel adjustment mechanism. The channel adjustment mechanism employs a rotational selection and positioning limit structure to achieve stable switching of channel connectivity under different operating conditions. Each branch pipe is equipped with a flow sensor and a pressure sensor for real-time monitoring of the pipe's internal conditions and, in conjunction with the main controller, adjusts the operating state of the peristaltic pumps. The peristaltic pumps feature an adjustable squeezing structure and incorporate a manual adjustment mechanism to adapt to pressure and flow control requirements under different fluid conditions. This device enables integrated management of flushing, drainage, and drug administration functions, has a compact structure, and provides reliable channel switching, which helps improve the safety and stability of clinical operations.

This utility model relates to the field of coal conveying and discloses a pulse anti-blocking composite hopper for compartmentalized peak shaving. It includes a first primary coal feeder and a second primary coal feeder, which are symmetrically arranged. A first composite hopper and a second composite hopper are respectively located on one side of the center of the upper end face of the first and second primary coal feeders. A first curved hopper is located at the center of the rear end face of the second composite hopper, and a second curved hopper is located at the center of the front end face of the first composite hopper. In this utility model, by employing a symmetrical arrangement of the first and second primary coal feeders, and by using a pulse anti-blocking device in conjunction with the separately equipped first and second composite hoppers, combined with an external curved small coal hopper and an extended coal feeder structure, a compartmentalized peak shaving function is achieved. The coal feed rate of different compartments can be flexibly adjusted according to actual needs, improving the stability and adaptability of the system and effectively responding to changes in coal demand under different working conditions.

The utility model relates to a kind of hydraulic cylinder with buffer current-limiting capacity, including oil cylinder body, current-limiting mechanism is arranged on the oil cylinder body, oil pipe is arranged on the current-limiting mechanism, heat dissipation mechanism and controller are arranged on the oil cylinder body, the current-limiting mechanism includes conduit, the conduit is fixedly installed on the cylinder barrel of oil cylinder body, one end of the conduit is fixedly installed with box, the oil pipe is fixedly installed in the side of box, the box top end is fixedly installed with support, the inner wall of the support is fixedly installed with motor. By setting current-limiting mechanism, effectively control hydraulic oil flow, realize better buffering effect, solve the problem that the impact force of traditional hydraulic cylinder transmission rod is too large during extension and retraction, by setting heat dissipation mechanism, for monitoring the temperature of hydraulic cylinder surface, when temperature is too high, can be started by controller fan to effectively blow and radiate heat, conducive to long-term work of hydraulic cylinder.

This utility model relates to the technical field of bacterial culture preparation devices, and in particular to a bacterial culture preparation device, comprising: a first filter having a first filter membrane, the first filter input end being connected to a first supply pump; a second filter having a second filter membrane, the second filter input end being connected to the first filter output end; and a third filter having a third filter membrane, the second filter input end being connected to the second filter output end; wherein the diameter of the pores on the first filter membrane is larger than the diameter of the pores on the second filter membrane, and the diameter of the pores on the second filter membrane is larger than the diameter of the pores on the third filter membrane. This utility model is beneficial for removing impurities from bacterial culture samples and enriching the bacterial culture.

The utility model relates to concrete production technical field, concretely for adjustable feeding equipment of discharge gate, including bottom plate, the bottom all around of bottom plate is installed with locking type universal wheel, the top one side fixedly connected with support of bottom plate, the one side fixedly connected with handle of support, the outside installation of handle has protective sleeve, the inside installation of support has device body, the outside one end installation of device body has quick -release assembly. The improved feeding equipment, is additionally provided with adjusting assembly, so that can corresponding adjustment of the height and angle of discharge hopper is carried out, and then can effectively adjust the conveying path of material, ensure that material can accurately, smoothly send into mixer or other receiving equipment, and can corresponding adjustment of the opening and closing size of discharge hopper, thereby can control the flow when material unloading, is additionally provided with quick -release assembly, so that can open the shell cover quickly, and then so that the staff can carry out cleaning work in the shell interior.

The utility model relates to the technical field of rotary kiln combustion-supporting, in particular to a rotary kiln combustion-supporting air inlet structure, which comprises a heat exchange bin, a plurality of heat conducting pipes are fixedly installed inside the heat exchange bin, a gas distribution assembly is arranged at the lower end of the heat exchange bin, and a stirring assembly is arranged inside the heat exchange bin, wherein the stirring assembly comprises a supporting ring fixedly installed at the upper end inside the heat exchange bin, and stirring blades are fixedly installed on the outer surface of the rotating frame. In the utility model, the secondary air flows through the plurality of heat conducting pipes, so that the pulverized coal exchanges heat when flowing through the heat exchange bin, part of the heat in the secondary air preliminarily heats the pulverized coal, the heat of the secondary air is fully utilized, the heated pulverized coal is then mixed into the tertiary air, the tertiary air heats the pulverized coal, the temperature of the pulverized coal before combustion is further improved, the pulverized coal is more convenient to burn, the time required for heating the pulverized coal inside the combustion chamber is reduced, the influence of the time on combustion is reduced, and the combustion effect of the material is improved.

This utility model belongs to the field of grain cleaning technology and discloses a compound grain cleaning device. The device body is set above the ground. The impurity removal structure is set above the device body. A hopper for holding grain and capable of rotation is set above the device body. A discharge pipe for dispersing grain and adjusting grain flow is set on one side of the hopper. A cleaning box is set on the top surface of the device body. A bellows is set on one side of the cleaning box. Two baffles rotate to divide the outlet of the discharge pipe into two parts. The outlet size can be adjusted as needed. When the grain falls from the two outlets, it is divided into two parts. The grain in the middle can also come into contact with the air, and impurities can be cleaned more thoroughly. The first gear drives the second gear to rotate, and the second gear drives the hopper to rotate. The grain in the hopper is discharged from the rotating discharge pipe and the grain is evenly scattered. When the power of the bellows is turned on, the bellows blows air towards the scattered grain, which can blow away the obscured impurities.