28 results about "Diaphragm Part" patented technology

The invention belongs to the technical field of sensors, and particularly relates to an MEMS differential pressure sensor and a preparation method thereof. The MEMS differential pressure sensor comprises a substrate, a vibrating diaphragm part, a back pole part and a supporting part, a back hole structure is arranged in the substrate, the vibrating diaphragm part is arranged on one side of the substrate and seals the back hole structure, the back pole part is arranged on one side, away from the substrate, of the vibrating diaphragm part and is connected with the vibrating diaphragm part, the vibrating diaphragm part is connected with the substrate through the supporting part, and an air leakage channel is arranged in the supporting part. The air leakage channel is communicated with the back hole structure and the outside of the base. According to the MEMS differential pressure sensor provided by the embodiment of the invention, the air leakage channel is arranged in the supporting part instead of forming an air leakage hole in the vibrating diaphragm, so that external pollutants are prevented from directly entering the gap area through the air leakage hole, and the MEMS differential pressure sensor is prevented from losing efficacy due to the external pollutants in the gap area. Meanwhile, the air leakage channel is communicated with the back hole structure and the outside of the base, so that good air leakage performance can be maintained.

An example pressure sensor comprises a die. The die comprises at least one lateral section and a diaphragm extending between opposing portions of the lateral section. The lateral section and the diaphragm define a top surface and the lateral section define a bottom surface opposite the top surface. The lateral section and the diaphragm partially define a first cavity. The pressure sensor further comprises a top glass layer positioned adjacent to a portion of the top surface. The top glass layer partially defines a second cavity adjacent to the diaphragm. The pressure sensor also comprises a polysilicon layer between the top glass layer and a corresponding portion of the top surface. The polysilicon layer couples the top glass layer to the die.

The invention relates to the technical field of harmonic reducers, and discloses a flexible gear, a harmonic reducer and an industrial robotic.The flexible gear comprises a cylinder, a tooth part, a cylinder part, a bent part, a diaphragm part and a flange part are sequentially arranged in the axial direction of the cylinder, the wall thickness of the connecting position of the cylinder part and the bent part is t1, and the wall thickness of the connecting position of the cylinder part and the diaphragm part is t2. The wall thickness of the connecting position of the bent part and the diaphragm part is t2, the wall thickness of the connecting position of the diaphragm part and the flange part is t3, and t2 is larger than t3 and larger than t1. T2 is larger than or equal to t3 and larger than t1, so that the wall thickness of the joint of the diaphragm part and the flange part and the wall thickness of the joint of the bent part and the diaphragm part are large, the deformation bearing capacity of the flexible gear can be improved, stress concentration is reduced, the risk that the flexible gear is fractured and fails due to deformation is reduced, the fatigue strength of the flexible gear is improved, and the service life of the flexible gear is prolonged; therefore, the reliability of the harmonic reducer is improved.

An example pressure sensor comprises a die. The die comprises at least one lateral section and a diaphragm extending between opposing portions of the lateral section. The lateral section and the diaphragm define a top surface and the lateral section define a bottom surface opposite the top surface. The lateral section and the diaphragm partially define a first cavity. The pressure sensor further comprises a top glass layer positioned adjacent to a portion of the top surface. The top glass layer partially defines a second cavity adjacent to the diaphragm. The pressure sensor also comprises a polysilicon layer between the top glass layer and a corresponding portion of the top surface. The polysilicon layer couples the top glass layer to the die.

The utility model discloses a diaphragm type one-way valve which comprises a first shell, a second shell, a sealing rubber head and an elastic piece. A sealed cavity is defined between the first shell and the second shell, the first shell and the second shell are provided with a first connector and a second connector respectively, the first connector and the second connector are both communicated with the cavity, the elastic piece is arranged in the cavity, and the other end of the elastic piece abuts against the sealing rubber head; the sealing rubber head comprises an abutting part, a diaphragm part and a fixing part; the sealing rubber head is extruded through the elastic piece, liquid in the first connector ejects the sealing rubber head open due to the fact that the liquid pressure is larger than the pressure of the elastic piece, the liquid enters the cavity and then circulates from the second connector, and one-way circulation is achieved. In addition, the sealing rubber head is fixed between the first shell and the second shell through the fixing part, and the abutting part is connected through the diaphragm, so that the abutting part always corresponds to the position of the first connector, and liquid leakage caused by deviation of the abutting part is avoided.

The invention discloses a high-sealing-performance water conservancy gate and a design method thereof.The high-sealing-performance water conservancy gate comprises a bottom gate body, a gate frame and a mounting frame.The high-sealing-performance water conservancy gate is characterized in that in the using process, when water passes through a water channel in the gate body normally, an electromagnetic gas valve injects gas in a gas cavity into a mounting cavity; the flexible diaphragm part can be completely inflated when the air pressure in the mounting cavity is increased, so that the flexible diaphragm part expands to generate an arc-shaped bulge, the arc-shaped bulge flexible diaphragm enables silt to be blocked on one side of the flexible diaphragm when a water body continuously circulates, the silt accumulation amount at the bottom of the gate is reduced, and a moving block drives the gate body door to descend through a moving rod; the top inserting blocks at the bottom of the gate body door can be slowly inserted into the surface of the flexible diaphragm in the descending process, the top inserting blocks push the flexible diaphragm to be attached to the bottom inserting grooves between the bottom inserting blocks in the continuous inserting process, then the top inserting blocks, the flexible diaphragm and the bottom inserting blocks are tightly attached, and therefore the buckling sealing effect of the bottom of the gate body door is further improved.

The invention relates to a gas separation device, a water electrolysis hydrogen production device system and application of the water electrolysis hydrogen production device system, the gas separation device not only can realize gas-liquid separation, but also can realize removal of impurities and iron suspended matters, the gas-liquid separation efficiency is improved, and the corrosion degree of alkali liquor in gas to gas subsequent treatment is weakened; moreover, the electrolytic water hydrogen production device system can avoid adverse effects caused by suspended solids and sediments formed by dissolved iron, solves the problems that the suspended solids block micropores of a diaphragm part and consequently the resistance of the diaphragm is increased, and solves the problems that the electrolysis energy consumption is increased and the hydrogen evolution performance of a cathode is reduced; and the performance and the service life of the water electrolysis hydrogen production device system are improved.

A needle closure system for injecting hot and cold moulding compounds into cavities of moulds through injection points which can be closed and opened by a needle, the needles being moved by a hydraulically or pneumatically actuated cylinder, the cylinder having a diaphragm part which is elastic.

The invention relates to the technical field of nano silver powder production, in particular to a nano silver powder preparation reaction device which comprises a reaction tank, multiple sets of diaphragm pieces are arranged on the surface of the reaction tank, multiple sets of stirring rollers are arranged outside the reaction tank, the stirring rollers and the diaphragm pieces are in one-to-one correspondence, and the stirring rollers in the same column are jointly connected with a connecting frame. The connecting frame is connected with the reaction tank through a synchronous moving mechanism, the synchronous moving mechanism is arranged, the stirring roller can be driven to move, the stirring roller can push a diaphragm piece to deform and move into the reaction tank, the stirring roller is driven to rotate through a rotating mechanism, and reaction liquid in the reaction tank is stirred; in the stirring process, the stirring roller does not make direct contact with the reaction liquid, the stirring roller does not need to be cleaned, in addition, after the stirring roller is moved out of the reaction tank, the diaphragm piece can restore to make the inner surface of the reaction tank smooth, and the inner surface of the reaction tank can be cleaned conveniently.

The objective of the present invention is to provide a pressure sensor having an improved effect of suppressing peeling of a pressure accepting portion such as a diaphragm. A pressure sensor 15 according to the present invention comprises a sensor enclosure 32 in which a first flow passage 33 and a second flow passage 35 that branches from the first flow passage 33 are formed, a sensor chip 31 which includes a diaphragm portion 31a provided so as to block the second flow passage 35, and which is joined to the sensor enclosure 32, a cap member 34 installed on the sensor chip 31 so as to cover the diaphragm portion 31a from the opposite side to the sensor enclosure 32, and a pressing member 60 for pressing the cap member 34 toward the sensor chip 31, wherein an inner circumference of a part of the cap member 34 that is placed on the sensor chip 31 is disposed so as to be positioned further toward the center of the diaphragm portion 31a than an inner circumference of a joint portion 36 of the sensor enclosure 32 and the sensor chip 31.

The invention belongs to the technical field of spraying devices, and particularly relates to a spraying device and a working method thereof.The spraying device comprises a spraying device body, a spraying head, a spraying head and a driving device, the valve element is arranged in the mounting hole and comprises an on-off diaphragm and a linkage assembly, a diaphragm part of the on-off diaphragm is pressed by the linkage assembly to seal the mounting hole, and the linkage assembly is configured to push a piston of the on-off diaphragm to stretch into the medium flow channel and cut off the medium flow channel into a flow inlet channel and a flow outlet channel; according to the spraying device and the working method thereof, in the process that the piston of the on-off diaphragm opens and closes the medium flow channel, when a medium in the medium flow channel generates impact force on the piston, the direction of the impact force is coaxial with the moving direction of the piston, and therefore the piston is not prone to falling off. Compared with the prior art that the valve element can be subjected to radial impact force, the piston in the embodiment is not prone to bending after being used for a long time.

An example pressure sensor includes a die. The die includes at least one lateral segment and a diaphragm extending between opposing portions of the lateral segment. The lateral segment and the diaphragm define a top surface, and the lateral segment defines a bottom surface opposite to the top surface. The lateral segment and the diaphragm partially define a first cavity. The pressure sensor further includes a top glass layer positioned adjacent to a portion of the top surface. The top glass layer partially defines a second cavity adjacent to the diaphragm. The pressure sensor also includes a polysilicon layer between the top glass layer and the corresponding portion of the top surface. The polysilicon layer couples the top glass layer to the die.

An adjustable diaphragm is disclosed. At least one light-shielding blade is movably fixed through cooperation of a blade supporting ring and a blade driving ring, an electromagnetic driving assembly drives, by using Lorentz force between driving magnet and a driving coil, a driving rod to rotate relative to a base, and the driving rod is slidably connected to the blade driving ring, to drive the blade driving ring to rotate, thereby driving, by using the blade driving ring, the light-shielding blade to rotate to block or expose a lens of a camera module. In this way, a diaphragm part and the electromagnetic driving assembly are separated from the lens, a counterweight of the camera module can be optimized, and a burden on an autofocus mechanism is reduced. In the present disclosure, a camera module and an electronic device are further disclosed.

The utility model relates to the field of one-way valves, in particular to a diaphragm type one-way valve which comprises a valve body, a valve plate, a diaphragm, a gasket and a pressing accessory. During use, when fluid flows to the water outlet from the water inlet, the diaphragm is bent towards the water outlet under the action of differential pressure, so that the diaphragm part is far away from the water passing hole and the inner wall of the valve body, the valve body is in a conducting state at the moment, and the fluid can smoothly flow to the water outlet from the water inlet; when fluid flows from the water outlet to the water inlet, the diaphragm is bent towards the water inlet under the action of pressure difference, so that the diaphragm is tightly attached to the valve plate or the inner wall of the valve body, the valve body is in a cut-off state at the moment, the fluid cannot flow from the water outlet to the water inlet, the purpose of one-way flowing is achieved, and meanwhile the diaphragm is abutted against through the pressing part of the pressing accessory to prevent the diaphragm from falling off. The non-return valve is simple in structure, convenient to install, high in practicability, reliable in work and low in manufacturing cost, and the non-return sensitivity to different pressure pipelines can be improved by replacing diaphragms with different thicknesses.

The utility model relates to a screen pressing structure and electronic equipment, the screen pressing structure is applied to the electronic equipment with a folding screen, and the screen pressing structure comprises a support part, a diaphragm part and a colloid part. The support part comprises a support body and a boss which are connected with each other, the support body is arranged at the folding position of the folding screen, the boss comprises a first surface, the first surface faces the front face of the folding screen, a fixing groove is formed in the support part, and at least part of the fixing groove is formed in the first surface of the boss; the diaphragm part is arranged on the first surface; partial structure of the colloid part is connected with the diaphragm part, and the other part of the colloid part enters the fixing groove to fix the support part and the diaphragm part; wherein the sectional area of at least part of the fixing grooves is reduced in the direction from the boss to the diaphragm part. And when the colloid part is separated from the fixing groove, the edge of the fixing groove close to the diaphragm part provides an inclined supporting force, so that the separation difficulty of the colloid part is increased, and the stability of the pressure screen structure is further ensured.

The utility model relates to an electric blow-down valve and a scrubber, the electric blow-down valve comprises a valve shell assembly and an electric blow-down valve main body, the valve shell assembly comprises a lower valve body and an upper valve body, the upper valve body is arranged on the lower valve body, a conical valve port is formed on the lower valve body, and the caliber of the conical valve port is gradually increased towards the direction of the upper valve body; the electric blow-down valve body is installed on the valve shell assembly and comprises a diaphragm, and part of the diaphragm can stretch into the conical valve port and abut against the valve port peripheral wall of the small-caliber end of the conical valve port so as to be used for blocking the conical valve port. Due to the fact that the conical valve port with the caliber gradually increasing in the direction of the upper valve body is formed in the lower valve body, impurities in sewage entering the lower valve body can be prevented from remaining at the position where the conical valve port is located, and the sealing performance when the membrane stretches into the conical valve port and abuts against the valve port peripheral wall of the small-caliber end of the conical valve port is guaranteed. Therefore, the sealing performance of the electric blow-down valve is ensured.

The utility model discloses a vibrating diaphragm, electrostatic ultrasonic transducer and electronic equipment, the vibrating diaphragm comprises a central diaphragm part and a thinning part, the thinning part is located at the edge of the central diaphragm part, the thickness of the thinning part is smaller than that of the central diaphragm part, part of the position of the thinning part is fixed, and the rest part and the central diaphragm part integrally vibrate and produce sound. According to the utility model, by optimizing the structural design of the electrostatic film ultrasonic transducer, the effective vibration area proportion of the vibrating diaphragm is improved, and the sound pressure level of the electrostatic film ultrasonic transducer is further improved.

The utility model discloses a diaphragm type air pressure tank, which relates to the technical field of diaphragm type air pressure tanks and comprises an air pressure tank, a sealing tank cover is arranged at the top of the air pressure tank, and a rubber diaphragm component is arranged in the air pressure tank. An air inlet valve is arranged at the top of the sealing tank cover, a barometer is arranged on one side outside the sealing tank cover, and a first sealing rubber mat is arranged at the bottom of the sealing tank cover; the bottom of the rubber diaphragm part penetrates through the air pressure tank and is provided with a diaphragm sealing flange; the top of the diaphragm sealing flange is provided with a second sealing gasket, and the bottom of the diaphragm sealing flange is provided with a water inlet-outlet pipe. By means of the structure, the rubber diaphragm component can be rapidly replaced, maintenance cost is reduced, time is saved, the rubber diaphragm component can be prevented from making contact with outside air, and the sealing effect of equipment is guaranteed.

A gas chromatograph mass spectrometry system (1) is provided with: a column (20) that separates components contained in a sample gas; a mass spectrometer (30) that analyzes the sample gas by ionizing the gas that has passed through the column (20) in a vacuum state; and a switching device (40) that has a first microvalve (200) disposed at a connection portion between the column (20) and the mass spectrometer (30). The first microvalve (200) is provided with: a base part (220) in which an inflow port (223) and an outflow port (224) are formed; and a diaphragm part (230) that is disposed facing the base part (220) and switches, by elastically deforming, between communicating and blocking between the inflow port (223) and the outflow port (224).

The present invention relates to a hydraulic hose diaphragm pump, comprising a pump body, wherein the left and right sides of the pump body are provided with a partition mechanism for improving the disassembly and assembly of the diaphragm pump, the left and right inner walls of the pump body are provided with a disassembly and assembly mechanism for facilitating the disassembly and assembly of the diaphragm, and the left and right sides of the pump body are provided with a discharge mechanism for discharging excess liquid in the partition space. The hydraulic hose diaphragm pump is provided with a partition mechanism. When the diaphragm inside the diaphragm pump is damaged and the diaphragm needs to be disassembled or installed, the movement of the electric push rod is controlled to push the push plate to move along the outer side of the screw through the moving sleeve, so that the blocking member blocks or opens the internal pipeline of the pump body. The pump body comprises a connecting rod, a blocking sleeve and a blocking gate. The movement of the push plate drives the connecting rod and the blocking gate to move out of the blocking sleeve and fit with the internal pipe wall of the pump body to achieve blocking and partitioning. The blocking member effectively blocks the internal pipeline of the pump body to ensure the partition effect. At the same time, the limit plate of the screw sleeve ensures that the partition mechanism stops at an appropriate position.

Needle valve system for injecting hot and cold molding compounds into cavities of molds through injection points that can be closed and opened with a needle, wherein the needles are moved by a hydraulically or pneumatically actuated cylinder, the cylinder having a diaphragm part that is elastic.

Provides is a pressure sensor element with which it is possible to suppress a reduction in the sensitivity of pressure detection. This pressure sensor element includes: a membrane layer having a diaphragm part; and a plurality of electrode parts facing the membrane layer in the thickness direction. The diaphragm part includes a first conductive layer and a second conductive layer electrically insulated from the first conductive layer. The plurality of electrode parts are separated from each other. Each electrode part includes: a support part supported by the first conductive layer; and a movable part that is supported by the first conductive layer via the support part, is spaced apart from and faces the second conductive layer in the thickness direction, and moves due to deflection of the diaphragm part. When viewed along the thickness direction, each support part is located at a position outside both the center of the diaphragm part in the longitudinal direction and the center of the diaphragm part in the lateral direction, and has an elongated shape in the longitudinal direction of the diaphragm part.

The present invention discloses a diaphragm adjusting mechanism, a rotary condenser and a microscope. The diaphragm adjusting mechanism includes a diaphragm seat, a diaphragm movable seat, a diaphragm swing rod, a handle and a pendulum rod. The diaphragm movable seat is rotatably installed in the diaphragm seat. The diaphragm swing rod is connected to the diaphragm movable seat. Both the handle and the pendulum rod have a first end close to the diaphragm movable seat and a second end far from the diaphragm movable seat. The first end of the handle and the second end of the pendulum rod are respectively hinged through a fixed swing point, and each fixed swing point is on the swing angle center line of the diaphragm swing rod. The first end of the pendulum rod is slidably hinged to the diaphragm swing rod, and the middle part of the pendulum rod is slidably hinged to the middle part of the handle. The second end of the handle floats to form a hand-held part. By designing a linkage mechanism in the control of the diaphragm part in the present invention, the handle is used to drive the opening and closing size of the diaphragm. Through the action of the linkage mechanism, the pendulum rod is extended and the movement stroke is shortened, overcoming the drawbacks of blind adjustment or the need to extend the rod length in the traditional method.

The flow-limiting non-return device comprises a main body and a flow-limiting piece, the main body comprises a flow channel, the flow channel comprises a water inlet and a water outlet, the water passing area of the flow channel is gradually reduced in the water inlet direction, and the flow-limiting piece is arranged in the flow channel and comprises a diaphragm part and a shaft part capable of elastically deforming in the water inlet direction. The diaphragm part is arranged at the end, close to the water inlet, of the shaft part and comprises a bendable skirt edge, water flow can flow into the flow channel from the water inlet to impact the diaphragm part so that the skirt edge can be bent in the direction opposite to the water inlet, the shaft part can be deformed and compressed, the diaphragm part can move in the direction away from the water inlet, and the diaphragm part is matched with the gradually-shrunk flow channel to achieve flow limiting. When water flows into the flow channel from the water outlet, the diaphragm part can be impacted to enable the skirt edge to seal the flow channel. According to the current-limiting non-return device, the current-limiting non-return function can be achieved only through one current-limiting piece, multiple parts do not need to be used in cooperation, and the current-limiting non-return device is simple in structure and convenient and fast to assemble.

The invention relates to the technical field of hydrogen production, in particular to a water electrolysis hydrogen production electrolytic bath structure which comprises a seat part, a diaphragm part is mounted on the upper side of the seat part, electrolysis areas are arranged on the left side and the right side of the diaphragm part, each electrolysis area comprises an area frame attached to the diaphragm part, and an electrolysis cavity transversely penetrating through the area frame is formed in the inner side of each area frame. A titanium plate attached to the diaphragm piece is installed on the inner side of the electrolysis cavity, a titanium mesh located on the inner side of the electrolysis cavity is attached to the side, away from the diaphragm piece, of the titanium plate, and a plurality of liquid inlet folding channels which are formed in the inner side of the area frame and are arranged in an L-shaped penetrating mode are arranged on the front side and the rear side of the titanium mesh correspondingly; according to the water electrolysis hydrogen production electrolytic tank structure, through the arrangement of the uniform liquid conveying part, the end plate piece, the electrolysis area and other structures, injected alkali liquor can be evenly distributed in the electrolysis cavity through the water electrolysis hydrogen production electrolytic tank structure, and formation of a dead area is effectively avoided.

A speak includes a housing, a diaphragm, a first vibrating assembly, and a second vibrating assembly. The housing has an accommodating groove. The diaphragm is relatively arranged in the accommodating groove. The diaphragm includes a first diaphragm part and a second diaphragm part. The second diaphragm part is arranged around the first diaphragm part. The first vibrating assembly is arranged on the first diaphragm part, for driving the first diaphragm part. A movable space is formed between the first diaphragm part and the bottom of the accommodating groove. The second vibrating assembly is on the peripheral side of the movable space. The first vibrating assembly vibrating through piezoelectric means.

Provided is a pressure sensor element capable of suppressing a decrease in detection sensitivity over a wide range of pressures. The pressure sensor element comprises: an electrically conductive base; an intermediate layer stacked on the base and having an opening portion; and an electrode stacked on the intermediate layer and having a diaphragm portion facing the opening portion. The opening portion includes a through-hole penetrating through the intermediate layer in a stacking direction, and a pair of recessed portions provided at an upper surface of the intermediate layer so as to sandwich the through-hole. The intermediate layer is provided with a base-side electrically conductive layer that constitutes a bottom surface of the pair of recessed portions. The diaphragm portion faces the base-side electrically conductive layer with the pair of recessed portions interposed therebetween, faces the base with the through-hole interposed therebetween, and is electrically insulated from the base-side electrically conductive layer and the base. The pressure sensor element further comprises a pair of opposing portions that protrude from at least one of the base-side electrically conductive layer and the diaphragm portion to the pair of recessed portions. The pair of opposing portions are located in positions that overlap end portions of the pair of recessed portions on the through-hole side thereof when viewed from the stacking direction.

The application relates to a metal diaphragm part position correction method and system based on improved template matching, which comprises the following steps: image preprocessing is carried out by combining a self-adaptive Retinex algorithm with a DnCNN denoising network; feature points and a confidence map are extracted by fusing an ASIFT algorithm and a SuperPoint network; initial matching is realized by using a FREAK descriptor and a weighted Hamming distance, and initial false matching is filtered based on a bidirectional nearest neighbor criterion; a double-layer filtering mechanism combining a Guided-PROSAC and a local topological structure verification is designed to remove false matching; a pose error vector is calculated by mapping the corner points of a template image to a target image; the pose error vector is transmitted to a mechanical arm controller to correct the position of the metal diaphragm part; and a check mechanism is designed to support closed-loop iterative correction. The application can meet the real-time requirement of a production line on an edge device, solves multiple defects of traditional technology in robustness, precision and automation integration, and provides reliable technical support for precise assembly tasks in intelligent manufacturing.