38results about How to "Precise air pressure control" patented technology

The invention relates to a chain plate type flexible finger, and belongs to the technical field of application of robots and electromechanical integration. The chain plate type flexible finger which is a manipulator comprises chain plate type frameworks, a pneumatic elastic corrugated tube artificial muscle, plastic ring frames and the like. Axial expansion of the elastic corrugated tube artificial muscle is constrained by the chain plate type frameworks, accordingly, elastic force of tension springs can be overcome, the chain plate type flexible finger can be bent, one or a plurality of chainplates can be in compliance contact with grabbed objects, and grasping-state contact force can be generated. The chain plate type flexible finger can be controlled by high-speed switch valves, accordingly, the air pressures of inner cavities of the elastic corrugated tube artificial muscle can be accurately controlled, and the requirements on perpendicularly grabbing cylindrical, square, spherical and ellipsoidal objects and the like or the requirements on horizontally grabbing spherical, cylindrical and square objects and the like can be met. The chain plate type flexible finger has the advantages that the chain plate type flexible finger is good in flexibility and adaptability and simple in structure, can be reliably used and can adapt to change of the shapes and vertical and transverseplacement of the grabbed objects; the chain plate type flexible finger can be connected with robot bodies and is particularly applicable to the field of production and logistics for grabbing and sorting food, agricultural products and light industrial products and the like.

The invention provides a turn-over pad. The turn-over pad comprises a fixing plate; a supporting air bag which is fixedly arranged on the fixing plate; a pair of supporting plates which are symmetrically and fixedly arranged on the two radial sides of the fixing plate; a pair of turnover plates which are symmetrically arranged on the two sides of the fixing plate in the radial direction and hingedto the corresponding supporting plates; a pair of main air bags which are fixedly arranged on the corresponding turnover plates respectively; a pair of auxiliary air bags which are symmetrically andfixedly arranged on the two sides of the fixing plate in the radial direction and communicates with the main air bags located on the opposite sides of the auxiliary air bags correspondingly; a plurality of exhaust valves which are respectively arranged on the corresponding main air bags and the supporting air bag; a pair of driving mechanisms which are arranged on the corresponding supporting plates respectively, wherein the output ends of the driving mechanisms are fixedly connected with the corresponding turnover plates; and a plurality of inflating devices which are respectively communicated with the supporting air bag and the main air bags and are used for respectively inflating the supporting air bag and the main air bags. The invention provides a control method of the turn-over pad.

The invention discloses an intelligent preparation method of a sour-and-hot fermented pickle. An induction module induces whether the weight of placed raw materials is larger than or equal to a predetermined value or not; an air pressure detection module detects the air pressure value P in a freezing cabinet, a temperature detection module detects the temperatures T in both a heating tank and the freezing cabinet, and a weighing module is used for weighing the weights of seasonings; an MCU controls a heating module, a shearing module, a prompt module, a pressure adjustment module, a temperature adjustment module, a cooling and humidifying module, a smearing module, a water-vapor condensation module, a conveying module, a pureed preparation module, an alarming module, a stirring module, a grinding module, a seasoning module, an ultraviolet sterilization module, a light regulation and control module, a yeast module, a cable-type extraction module and an evaporation module to execute related operations according to the corresponding induced value, air pressure value, temperature value and weight value. The intelligent preparation method can accurately control the temperature, the air pressure and other parameters in the pretreatment process, improves the preparation efficiency and the taste of the pickle, can effectively realize pureed preparation of seasoning raw materials, is high in automation degree in the whole process and saves resources.

The invention relates to a mixing valve for a soft robot, which belongs to the technical field of air pressure control. The mixing valve includes a high-pressure air source, a two-position two-way proportional valve, a two-position three-way solenoid valve and a controller. The high-pressure air pump inputs the air source from the outside air, and outputs a stable high-pressure air source through the throttle valve. The input interface of the two-position two-way proportional valve is connected to the high-pressure air source output by the throttle valve of the high-pressure air source, the output interface of the two-position two-way proportional valve is connected to the input interface of the two-position three-way solenoid valve, and the two-position three-way solenoid valve The output interface of the robot is connected with the input interface of the air chamber of the soft robot to the analog output interface of the controller and the control interface of the two-position two-way proportional valve. The pulse signal output interface of the controller is connected with the control interface of the two-position three-way solenoid valve. The mixing valve of the present invention improves the stability, accuracy and rapidity of air pressure control through three control modes of air pressure locking, precise air pressure adjustment and rapid air pressure adjustment, thereby improving the motion performance of the soft robot.

The invention relates to an artificial quartz stone pressing system, wherein a plurality of air springs are arranged between a vibration plate and a material bed and around a mold in a traditional pressing system. The air springs are controlled by a control system, the control system comprises a plurality of vibration data acquisition device, a data processing device and a plurality of air spring inflating / deflating control device; a data output end of each vibration data acquisition device is connected with a signal output / input end of the data processing device, a control signal output end of the data processing device is connected with each air spring inflating / deflating control device; each vibration data acquisition device is used for acquiring a vibration parameter of each air spring correspondingly, and each air spring inflating / deflating control device is used for inflating / deflating each corresponding air spring; and the data processing device is used for carrying out frequency spectrum analysis on the vibration parameter acquired by each vibration data acquisition device and outputting an inflating / deflating control signal to each air spring inflating / deflating control device according to a comparison result. Compared with the prior art, the artificial quartz stone pressing system disclosed by the invention has the advantages that a whole machine ensures excellent working conditions, service life is largely prolonged and product quality is largely improved.

The invention relates to a reaction control and mass spectrometry analysis station for the in-situ pool of X-ray characterization equipment. The reaction control and mass spectrometry analysis station includes a reaction gas composition control module and an online gas composition analysis module. The content of the invention also includes There is a modification of the vacuum pipeline part. After the modification, the original vacuum pipeline part is connected to the analysis station through the main exhaust port, the tail gas port of the in-situ reaction tank and the mixed gas inlet of the in-situ reaction tank. The modification is characterized in that the vacuum pipeline The mass spectrometer sampling port, sampling capillary and control valve are partially added. The present invention has the following advantages: the sampling time delay is negligible during mass spectrometry gas sampling component analysis, and the sampling analysis requirements of continuous, real-time and high time resolution of in-situ analysis are achieved; under the working conditions of X-ray characterization equipment, the obtained At the same time as the electronic structure / crystal structure, the precise information of the ambient gas composition is obtained simultaneously, which expands the device function and realizes in-situ multi-dimensional characterization.

The invention provides a cupping device and a control method thereof. The cupping device comprises: an upper cup body; a lower cup body connected to the upper cup body, wherein the upper cup body is internally provided with a transmission part; a driving part which is mounted on the transmission part and used for driving the transmission part to reciprocate in the cup bodies; a heating part whichis arranged in the cup body of the upper cup body and used for generating heat; and a control part which is used for controlling the driving part and the heating part so as to adjust the environment in the cup bodies. A sensing part is arranged in the lower cup body, is connected to the control part and is used for sensing environmental information in the cup bodies and transmitting the environmental information to the control part. According to the cupping device, a piston is driven to vertically move in a threaded transmission mode to change air pressure, and the purpose of accurately controlling the air pressure in the cup bodies is achieved. Therefore, after the air pressure change caused by air leakage is detected, the air pressure can be accurately changed to return to a set value, and a user has a better experience feeling.

The invention relates to the technical field of fluid glue pushing equipment, in particular to an intelligent fine atomizing valve. The feed depth of a motor output push rod of a motor is controlled by a computer control device, the gap width between a needle head of a valve needle and a glue pushing head can be controlled by different feed depths, gas enters a piston cavity through a first channel and pushes a piston to move upwards after entering an electromagnetic valve, the piston drives the valve needle to rise, the valve needle is stopped after touching the motor output push rod, glue liquor of a glue filling nozzle passes a valve needle channel and finally flows out through the gap between the needle head of the valve needle and the glue pushing head, an electrical proportional valve controls inlet gas pressure through the computer control device when the glue pushing head pushes glue, the gas enters an atomizing gap through a second gas inlet channel, glue liquor of the glue pushing head is sprayed out of an atomizing nozzle of an atomizing pipeline in a misty form by gas pressure of the atomizing gap, and the electrical proportional valve is controlled by the computer control device to accurately control the gas pressure, so that the atomizing valve can accurately control atomizing degree.

The invention belongs to the technical field of automatic control, and discloses a plunger pre-processing flip control system and method; the plunger pre-processing flip control system includes: a parameter setting module for setting related parameters; a flip control module for The plunger is turned over by the flipping parameters; the transmission module is used to transfer the plunger to the designated fixed position based on the preset transmission parameters; the fixing module is used to fix the plunger; the camera module is used to acquire the plunger processing image in real time; The control module is used for judging whether the plunger has finished processing based on the image data; the communication module is used for signal transmission by radio frequency identification technology. The present invention can realize automatic plunger flipping control, and can transfer, fix, flip, and process the plunger at the same time, and automatically judge whether the processing condition of the plunger reaches the standard, reducing workload and interference and errors caused by human factors, and The overall efficiency of the system is high, saving manpower and material resources.

The invention discloses a urea injection system controlled by a valve group and a control method thereof. The urea injection system comprises: a urea tank, a urea nozzle, a cooling water pipeline, a compressed air pipeline, a urea pipeline, an air release pipeline, a purging pipeline, and a valve group Injection unit; the valve group injection unit includes a controller, a cooling water solenoid valve, a first air solenoid valve, a second air solenoid valve and a pressure regulating device, a purge solenoid valve, an injection solenoid valve, a pressure sensor, and a deflation solenoid valve ,Temperature Sensor. The whole system is powered by compressed air and measured by various solenoid valves. There are also temperature sensors and pressure sensors for feedback control of the opening of the solenoid valves to complete the urea injection process with low cost and high precision; set up special purge pipes and The purge solenoid valve can purge the front and rear sections of the urea pipeline respectively, so that there is no urea residue in the whole urea pipeline after parking.

The invention discloses a vacuum tubular furnace system. The vacuum tubular furnace system comprises a working pipe, a corrugated pipe and a four-way pipe which are sequentially communicated, wherein one end of the working pipe is connected with an air intake pipeline through an air intake end joint, and the other end of the working pipe is connected with the corrugated pipe through an air exhaust end joint; a passage formed by the working pipe, the corrugated pipe and the four-way pipe is divided into two branches by the four-way pipe; the first branch is connected to a vacuum pump through a switch valve and a three-way pipe; and the second branch is connected to the vacuum pump through a buffering filter, a needle valve, an electromagnetic valve and a three-way pipe. The vacuum tubular furnace system further comprises a barometer used for measuring an air pressure in the passage, and a circuit automatic control system. Two air exhaust passages are adopted in the vacuum tubular furnace system disclosed by the invention, so that wide-range adjustment for an air exhaust capacity can be realized, and the air pressure can be accurately controlled in a wide range; in addition, the system realizes automatic control and adjustment for the air pressure by virtue of the electromagnetic valve and the buffering filter; and the vacuum tubular furnace system disclosed by the invention is good in air tightness, accurate in air pressure control, and capable of being used in an atmosphere rich in dust.

The invention provides a salt frost-heaving tester capable of realizing water-heat-stress coupling effect. The tester comprises an assembling body and a loading system; the assembling body comprises asample tube, an upper cooling plate ad a lower cooling plate; the sample tube comprises superposition tubes in threaded connection in order, and a bottom tube arranged below the superposition tubes;multiple tube wall holes are uniformly formed in the circumferences of the superposition tubes; the tube wall holes are connected with end covers; rubber plugs are arranged on the end covers; multiletube wall holes are arranged at the circumference of the bottom tube, drainage nozzles are arranged on the tube wall holes; each of the upper cooling plate and the lower cooling plate comprises a cooling plate upper cover and a cooling plate base connected through bolts; and the loading system is a lever system or a stress sensor system. A coupling effect of water, heat, stress and like elements can be realized, the tube body adopts the sectional arrangement, the sample size can be controlled as required, the structure is delicate, the design is reasonable, and a testing result is accurate.

The invention relates to a method and a device for the press-forming of an artificial quartz slab. The method comprises the following steps: according to the device for the press-forming of the artificial quartz slab, a plurality of air springs are adopted as a pressure system which to press a vibration platform; firstly, the air springs are uniformly distributed around the vibration platform, the upper part of each air spring is connected with a stander through a connecting mechanism, and the lower part of each air spring is connected onto the vibration platform through a connecting mechanism; then, an eccentric wheel on the vibration platform is started to vibrate; and during the process of press-forming, the air pressures of the air springs are regulated, and then, the pressure on materials on a material bed applied by the vibration platform is regulated. Compared with the prior art, according to the technical scheme of the invention, an oil cylinder or a steam cylinder in the prior art is replaced through using the air springs as the pressure system; and due to the characteristics of the air springs, the damage to equipment caused by the vibration of the eccentric wheel is alleviated, and the stress unevenness of the vibration platform is reduced.