17results about How to "Lower the pressure value" patented technology

The invention belongs to the technical field of collaborative robots, and particularly discloses and provides an anti-explosion mechanical arm positive pressure control system and method.The system comprises a mechanical arm motion tracking module, an environment data monitoring module, a configuration adjustment analysis module, a pressure adjustment analysis module, a database and a pressure adjustment execution terminal. The mechanical arm motion tracking module is designed to track the motion state of the mechanical arm and record motion data, a key part pressure sensor is started to monitor pressure data, and the correlation change of motion and pressure can be captured. The environment data monitoring module monitors environment parameters of a working area in real time, and environment changes are comprehensively mastered. The all-dimensional monitoring capability of the system is improved, factors influencing positive pressure control can be obtained more comprehensively, meanwhile, configuration adjustment judgment is carried out in combination with environment, movement and pressure data, adjustment values are dynamically determined, and intelligent decision making and self-adaptive adjustment of mechanical arm positive pressure control are achieved.

The invention discloses air tightness detection equipment, and aims to provide high-efficiency transfer pipette air tightness detection equipment with high automation degree and good detection effect and a control method of the transfer pipette air tightness detection equipment. According to the technical scheme, transfer pipettes are conveyed through a transmission belt and a material placing mechanism on the transmission belt; the transmission belt drives the pipette to complete the detection of the air tightness of the pipette through the air tightness detection device, and meanwhile, the air tightness detection mode is that one end of the pipette to be detected is blocked and the other end of the pipette is subjected to air exhaust, so that the air pressure in the pipette is reduced, and a pressure maintaining link is added after the air exhaust is completed; the air pressure of the transfer pipette is detected in the pressure maintaining process, so that the air tightness of the transfer pipette is conveniently detected, unqualified products can be automatically removed, the overall automation degree is high, the overall processing efficiency is improved by arranging multiple groups of material blocking assemblies and air exhaust assemblies, and the transfer pipette detection device is suitable for the technical field of transfer pipette detection.

The invention provides an integrated valve block, a hydraulic braking system and an electric forklift hydraulic braking method.The hydraulic integrated valve block comprises a valve body, and an oil inlet P0, an oil return port and a detection oil port M connected with a pressure sensor are formed in the valve body; an OPS electromagnetic valve is connected between the oil inlet P0 and the pilot oil port P1, an unloading valve is connected between the oil inlet P0 and the energy storage oil port P2, a logic valve is connected between the oil inlet P0 and the cooling oil port D, and the unloading valve is connected with the logic valve through an oil way. The oil inlet end of the brake oil port P3 is connected with the energy storage oil port P2 through a two-position three-way electromagnetic valve. Control oil ways of a service brake, a parking brake, a drive axle, an OPS function and the like are integrated into the integrated valve block and are connected and controlled through oil ports respectively. The hydraulic system is easy to install, compact in structure and convenient to install and maintain, and cost is reduced.

This invention relates to the field of solid-state battery technology, and particularly to a composite solid-state electrolyte material, its preparation method, and its application. The composite solid-state electrolyte material contains a crystalline phase substance with the general chemical formula: B%A a RE b X 1 c D g +C%A d M e X 2 f D h Where A represents charge carriers; RE represents rare earth elements; M represents metallic elements; X represents... 1 X 2 D is a halide anion; A is an anion doping element or group; a RE b X 1 c D g and A d M e X 2 f D h It is a crystalline phase substance; B% is A a RE b X 1 c D g The mass fraction of the composite solid electrolyte material; C% is A d M e X 2 f D h The mass fraction of the composite solid electrolyte material is defined as follows: 0 ≤ a ≤ 3, 0 < b ≤ 1, 0.5 < c ≤ 12, 0 < d ≤ 5, 0 < e ≤ 2, 1 < f ≤ 20, 0 ≤ g ≤ 4, 0 ≤ h ≤ 5; 85 < B + C < 98, 10% < B% ≤ 85%; 10% < C% ≤ 85%, 0.2 ≤ C / B ≤ 10. The composite solid electrolyte material of this invention includes crystalline and amorphous phase components, giving it high ionic conductivity. The use of moisture-resistant non-metallic halide components instead of traditional halides and oxyhalides in the raw materials also provides it with good air stability.

This invention discloses a method for metal hot-press bonding and its application. The method specifically includes: providing a first substrate and a second substrate, the first substrate having a first metal bonding surface and the second substrate having a second metal bonding surface; aligning the first and second substrates to bring the first and second metal bonding surfaces into contact; and performing hot-press bonding by controlling temperature and applying pressure. The hot-press bonding includes a heating and high-pressure stage, a heat-holding and low-pressure stage, and a cooling and pressure-releasing stage; the temperature of the heat-holding and low-pressure stage is the bonding temperature. This invention achieves hot-press bonding of metals in an air environment through coordinated temperature and pressure control, resulting in a well-bonded interface that is free of oxidation, dense, and pore-free.

The invention provides a carrier rocket body secondary structure friction welding method and system.The carrier rocket body secondary structure friction welding method comprises the following steps that S1, the surface of a rocket body main structure and the initial position of a secondary structure are scanned through a measuring system, and the installation position coordinates of the secondary structure are obtained; s2, comparing the mounting position coordinates of the substructure with the initial position coordinates of the substructure to obtain the position and posture adjustment amount of the substructure; s3, the position and the posture of the substructure are adjusted according to the adjustment amount of the position and the posture, so that the substructure is located at the initial welding position; and S4, the secondary structure is made to rotate according to the set rotating speed, feeding is conducted along the rotating axis according to the set axial feeding speed, and welding is conducted. According to the method, the welding mode of the secondary structure and the main structure is changed from a corner joint or lap joint welding seam into a plane butt joint welding seam, a traditional fusion welding process is optimized into a friction welding process, and the problems of low fusion welding strength and large welding deformation are effectively solved.

The utility model is suitable for the technical field of vacuum film deposition, and provides a device for molecular beam epitaxy and crystal growth. The device for molecular beam epitaxy and crystal growth comprises a vacuum cavity, a gas supply unit, a vacuum obtaining device, a pressure detection unit and an adjusting valve, and the vacuum obtaining device is communicated with a pipeline of the vacuum cavity and used for reducing pressure in the vacuum cavity; the gas supply unit communicates with the vacuum cavity through a pipeline and is used for inputting gas into the vacuum cavity, and the pressure detection unit is used for detecting the pressure value in the vacuum cavity; the adjusting valve is arranged on a pipeline between the vacuum obtaining device and the vacuum cavity; the adjusting valve comprises a valve body and an adjusting structure, at least part of the adjusting structure is arranged in the valve body, and the adjusting structure is used for adjusting the opening degree of the whole valve body, so that pressure adjustment of the whole equipment is more convenient.

The utility model belongs to the technical field of solid-liquid separation, and provides a centrifugal machine which comprises a shell, a rotary drum, a pushing part and a pressure reduction assembly, a liquid outlet is formed in the shell, the rotary drum is arranged in the shell so that a separation cavity can be formed between the rotary drum and the shell, the pushing part is arranged in the rotary drum and can move in the axial direction of the rotary drum, and the pressure reduction assembly is arranged in the shell. A to-be-separated solid-liquid mixed material in the rotary drum is pushed to move from one end of the rotary drum to a discharging cavity communicated with the other end of the rotary drum; the pressure reduction assembly is arranged in the separation cavity and is configured to discharge gas in the separation cavity from the liquid outlet, so that the pressure value in the separation cavity is lower than the pressure value in the discharging cavity. In the separation process, the pressure value in the separation cavity is lower than the pressure value in the discharging cavity under the action of the pressure reduction assembly, so that saturated water vapor in the separation cavity is prevented from entering the discharging cavity, meanwhile, water vapor in the discharging cavity can be promoted to enter the separation cavity, and the separation quality of the centrifugal machine is improved.

The embodiment of the utility model provides coating equipment, and belongs to the technical field of product processing. The coating equipment comprises a coating cavity, the coating cavity comprises a first process cavity and a second process cavity which are sequentially arranged, and the pressure value of the first process cavity is larger than that of the second process cavity; the isolation cavity group is arranged between the first process cavity and the second process cavity, the isolation cavity group comprises at least two isolation cavities, and the pressure difference value between the first isolation cavity close to the first process cavity and the first process cavity is within a first preset range; and the pressure difference value between the second isolation cavity close to the second process cavity and the second process cavity is within a second preset range. According to the embodiment of the invention, the pressure difference between the two sides of the microcrystal process cavity and the amorphous process cavity can be kept within a reasonable range, and the process stability is improved.

The new energy electronic parking brake comprises a rack with the right side fixedly connected with a positioning pipe, the right side of the positioning pipe is fixedly connected with a piston pipe, and a piston is arranged in the piston pipe. And the piston linearly moves left and right in the piston pipe through a driving mechanism arranged on the right side. The movement can change the air pressure value, and then the relative position of the follow-up block in the positioning pipe is changed. Therefore, according to the device, the follow-up block can make close contact with the inner wall of the positioning pipe through high pressure, and the vehicle brake disc is clamped and fixed. In addition, exhaust holes are formed in the positioning pipe, and a driven gear is rotationally connected to the outer side of the positioning pipe. The inner side of the driven gear is hermetically connected with the positioning pipe through a sealing ring. The high-pressure gas in the piston pipe can be quickly exhausted by changing the relative position between the notch groove and the exhaust hole in cooperation with the driven gear which is formed in a left-right penetrating mode and the notch groove in the sealing ring, so that braking of a vehicle brake disc is relieved, and movement of a vehicle in the running process is avoided.

The invention discloses a booster pump control method and device and a computer readable storage medium. The method comprises the steps that the working current of a motor is obtained; determining the torque current of the motor according to the working current; and if the torque current is greater than a current threshold value, controlling the motor to reduce the rotating speed. The motor is controlled to reduce the rotating speed, so that the torque current of the motor is smaller than or equal to the current threshold value, the pressure value of the maximum working point of the booster pump is smaller than or equal to the pressure threshold value, the pressure value of the maximum working point of the booster pump is prevented from being further increased, and pump head abrasion of the booster pump is reduced.

The utility model discloses an efficient gas washing device for sand filtration, which comprises a tank body, the top of the tank body is provided with a water inlet, the bottom of the tank body is connected with a water outlet, the inner top of the tank body is provided with a water distribution disc, the outer side of the water distribution disc is connected with a drainage plate, a sand bed is arranged below the water distribution disc, and the sand bed is connected with a water inlet and a water outlet. The sand bed is internally provided with a filter layer plate, an air pipe is arranged in the middle of the interior of the sand bed in a penetrating manner, the surface of the air pipe is provided with an air nozzle, the right end of the air pipe is provided with a connector, the surface wall of the filter layer plate is provided with filter holes, and the surfaces of the upper side and the lower side of the filter layer plate are provided with wave-shaped filter cotton; the air pipe is transversely inserted in the middle of the tank body, the air nozzles are arranged on the upper side and the lower side of the air pipe, the air pipe is arranged in the middle, the vertical distance between the air pipe and the tank body is consistent, air is blown upwards or downwards to a sand bed through the air nozzles, the vertical distance between the air pipe and the tank body is shortened, and resistance to the air is reduced, so that disturbance to the sand bed is reduced.

The invention discloses an anti-impact pod propelling device for ice region navigation, which comprises a cabin body connected with a ship body, a propeller, a propeller body and a driving device, the propelling assembly is partially arranged in the cabin body and used for providing propelling force; the first damping assembly is arranged at the front end of the cabin body and used for relieving impact force in the sailing direction; the second damping assembly is arranged in the cabin body and used for relieving impact force borne by the side wall of the cabin body. The device can buffer the impact force of ice blocks on the front side and the side edge during navigation, the impact force on components in the pod is reduced, and the operation stability of the pod is effectively protected. The multi-layer and multi-direction buffer parts are arranged in the pod, energy can be absorbed to the maximum extent through multi-stage gradual relieving, the pressure value borne by a single part is reduced, and the service life of the buffer parts is prolonged. The first damping assembly and the second damping assembly arranged on the device can convert and counteract impact force mutually, and the damping effect is further improved.

The invention provides a water vapor compression system, a control method thereof and a storage medium, the method is applied to the water vapor compression system, the system comprises a compressor, a vapor generator, a first valve and a first pressure sensor, and a gas outlet of the vapor generator is connected with a gas inlet of the compressor; the first valve is installed between an air outlet of the steam generator and an air inlet of the compressor, the first pressure sensor is installed at the air inlet of the compressor, and the method comprises the steps that a first pressure value, collected by the first pressure sensor, of steam entering the compressor is obtained, and when the first pressure value is larger than a first pressure threshold value, the opening degree of the first valve is reduced. According to the method, steam entering the compressor can be prevented from being liquefied, so that stable operation of the compressor is maintained.

The application discloses a system energy-saving type self-air-supply powder concentrator and a self-air-supply method thereof, which comprises a shell, a first driving device, a first transmission shaft, a second driving device, a second transmission shaft, a rotating cage, guide vanes, a material returning device and an air outlet. The first transmission shaft is connected with the rotating cage, a plurality of first axial flow vanes are arranged on the first transmission shaft, the first axial flow vanes are arranged inside the rotating cage and are arranged at a certain angle with the first transmission shaft. A plurality of second axial flow vanes are arranged on the second transmission shaft, the second axial flow vanes are arranged between the rotating cage and the air outlet and are arranged at a certain angle with the second transmission shaft. When the self-air-supply is performed, the rotating speed of the second axial flow vanes is greater than or equal to the rotating speed of the first axial flow vanes, so that the rotational flow kinetic energy generated by the two groups of axial flow vanes and the rotating cage is used to discharge the separated materials from the air outlet. The self-air-supply purpose of the powder concentrator is achieved, the pressure value at the inlet of the system fan is reduced, and thus the system resistance and energy consumption are reduced.

A touch film, a touchscreen, and an electronic device are provided, and relate to the field of display touchscreen technologies. The touch film includes a touch electrode layer and a dielectric isolation layer. The touch electrode layer includes a plurality of metal lines, and the plurality of metal lines are arranged in a cross manner to form a plurality of polygonal mesh units. A plurality of fractures are provided on the metal lines, the plurality of fractures are configured to divide the metal lines into a transmit electrode and a receive electrode, and the transmit electrode and the receive electrode form a touch capacitor structure at each fracture. Each of two ends of the fracture in a first direction is adjacent to two sides of at least one mesh unit, to electrically isolate mesh units on two sides. In this application, each fracture of the touch electrode layer is supported by at least two sides of the mesh unit, so that structural strength of the fracture is enhanced. When the touch film is subject to an external pressing force or is bent, a stress value at a position of the fracture is correspondingly reduced, and the dielectric isolation layer filled in the fracture is not prone to be deformed due to a reduced stress. This improves structural strength of the touch film.

The invention discloses a cooling energy-saving control method and system of a magnetic suspension phase change air conditioning system, and relates to the technical field of air conditioning control, and the cooling energy-saving control method comprises the following steps: firstly, carrying out a cooling test on the air conditioning system to obtain a temperature-pressure balance curve and obtain an unbalance temperature and an unbalance time point; obtaining an efficiency amplitude curve; obtaining an unbalance heat dissipation temperature and an amplitude variation heat dissipation temperature; the rotating speed of an exhaust fan in the condenser is controlled based on the unbalanced heat dissipation temperature and the variable-amplitude heat dissipation temperature; the method is used for solving the problems that in the cooling process of a magnetic suspension phase-change air conditioner in the prior art, if the pressure in a compressor is too large, the cooling efficiency of the magnetic suspension phase-change air conditioner is reduced, the heat dissipation efficiency of waste heat cannot be effectively improved, and therefore the ineffective work of the magnetic suspension phase-change air conditioner is large, and the energy utilization efficiency is reduced.