1376 results about "Diaphragm pump" patented technology

In order to improve the stability and reliability of the micro diaphragm pump, the invention provides the micro diaphragm pump with the columnar bubble and liquid monitoring function. The channel is formed in the pump cavity, the valve body is installed in the channel, the valve body is composed of the upper layer, the middle layer and the friction layer, the sensing part is arranged on the middle layer, the sensing area is formed through cooperation of the friction layer and the sensing part, and then columnar bubbles and liquid in the micro diaphragm pump are monitored. The device is small in size, high in energy density, high in controllability and capable of monitoring columnar bubbles and liquid.

The invention provides a glue solution filtering and impurity removing method and device for carbon fiber composite material processing, and belongs to the technical field of carbon fiber composite material production.The method comprises the steps that when a carbon fiber composite material infiltrates resin in a glue tank, overflowing resin is guided out through an overflowing opening, and the overflowing resin flows into a glue barrel after being filtered through a first filter screen; glue extrusion is carried out after infiltration is completed, and resin is filtered and refluxed through a second filter screen based on a flow guide opening of a backflow plate and collected into a glue barrel; glue liquid in the glue barrel is circularly pumped into the glue groove through the diaphragm pump; and according to the tracking result of the wool yarn hairiness and the monitoring result of the resin flow of the filter screen, scheduling a worker to clean the filter screen. According to the glue solution filtering and impurity removing method and device for carbon fiber composite material processing, circulation of the glue solution in the glue tank is controlled through the diaphragm pump, and the resin utilization efficiency is improved. The filter screen is used for filtering the wool yarn hairiness of the circulating colloid, and cleaning early warning is carried out based on the tracking result and the monitoring result of the wool yarn hairiness, so that the starting time is shortened, and the production efficiency is improved.

The diaphragm pump includes a pump casing, a crank mechanism attached to the pump casing, and a diaphragm assembly connected to the crank mechanism. The diaphragm assembly has a diaphragm and a center plate retaining an inner peripheral portion of the diaphragm. The center plate has a first retaining member having a fitting recess, and a second retaining member having a fitting projection press-fitted into the fitting recess. The center plate clamps an inner peripheral portion of the diaphragm between the first retaining member and the second retaining member. A screw for securing the center plate is installed through insertion holes extending through the fitting recess and the fitting projection, respectively. The inner diameter of the fitting recess and the outer diameter of the fitting projection are larger than the insertion holes.

The invention discloses an underwater multi-mode mobile robot equipped with a flexible bionic gripper, which integrates three operation modes of propeller propulsion, six-foot crawling and target object grabbing, and realizes'movement-attachment-operation 'integrated collaboration. The robot main body adopts a five-thruster vector layout and has a five-degree-of-freedom motion capability; and six groups of three-degree-of-freedom mechanical feet and two groups of three-degree-of-freedom mechanical arms are arranged outside, and a cruising mode, a crawling mode or a grabbing mode can be automatically switched according to tasks. A coordination dual-network hydrogel bionic sucker and a flexible gripper are integrated at the foot end and the arm end, and controllable adsorption and desorption are achieved through a diaphragm pump. The control system generates a rhythm signal based on the central mode generator, and coordinates multi-module actions of paddles, legs and arms in combination with inverse kinematics solution. The robot is suitable for tasks such as wide water area cruising, complex terrain exploration, environment maintenance and seabed sampling, has high maneuverability and high integration degree, and provides an innovative platform for underwater fine operation.

The application discloses a high-pressure diaphragm pump one-way valve structure multi-objective optimization method based on digital twinning, and belongs to the technical field of pump valve optimization design; the application collects geometric size parameters and material properties of a high-pressure diaphragm pump one-way valve, and establishes a simulation model; an Isight and ANSYS joint simulation method is used to generate sample points and calculate response values; an agent model is constructed according to response values of each group of sample points, calculation efficiency is improved, and a digital twinning model is constructed; a one-way valve structure multi-objective optimization model is established by taking the maximum equivalent stress of a valve core and the minimum maximum flow velocity of a valve gap flow field as objective functions, a genetic algorithm is used for solving, the best structure parameter combination of the one-way valve impact resistance performance is obtained, and finally, result verification is carried out; the application can realize high-precision simulation of a one-way valve operating state and solving of optimal structure parameters of impact resistance performance, thereby guiding one-way valve structure design, reducing product research and development time cost, and improving service life.

The present application provides an oil-gas separation apparatus capable of implementing complete degassing and methods. The apparatus comprises: a piston cylinder and a degassing cylinder, a degassing solenoid valve being arranged between the degassing cylinder and the piston cylinder, one end of the degassing solenoid valve extending into the interior of the piston cylinder, and the other end thereof being in communication with the degassing cylinder; a variable speed diaphragm pump, an air intake end thereof being in communication with the atmosphere and an air discharge end thereof being in communication with the degassing cylinder for drawing ambient air, and used for cleaning a gas path of the oil-gas separation apparatus, and providing power for the degassing cylinder, thereby replacing a design involving a carrier gas cylinder or a gas generator; and a main control module. According to the present application, the piston cylinder, the degassing cylinder, the degassing solenoid valve, and the variable speed diaphragm pump are integrated and are uniformly controlled by the main control module, so that high-efficiency oil and gas separation is implemented. A unique degassing control method and a concentration calculation method are designed, so that fast and efficient degassing is implemented, nearly complete degassing is achieved without correcting a degassing rate, a mathematical model for inverse calculation of an oil sample concentration on the basis of a gas concentration is simplified, and concentration conversion is convenient.

A novel ball valve on a diaphragm pump comprises a ball seat, a ball cage and a valve ball. The ball cage comprises a positioning ring, a supporting column, a connecting ring and a limiting ring. The four supporting columns are annularly arranged at intervals. The positioning ring, the supporting column, the connecting ring and the limiting ring are integrally formed. The end, away from the positioning ring, of the supporting column and the side, facing the valve ball, of the supporting column are provided with an inclined face part, the inclined face of the inclined face part faces the valve ball, and the spherical face of the valve ball abuts against the four inclined face parts. According to the novel ball valve on the diaphragm pump, a one-way channel of the valve ball is formed through the four supporting columns which are annularly arranged at intervals, and the maximum flow of a fluid medium can be guaranteed while movement of the valve ball is limited. And during assembly, the ball cage of the corresponding model can be selected according to the flow performance required by the pump, so that the simple and low-cost matching of the overall flow characteristic of the pump can be realized, and the main structure of the pump body or the ball valve does not need to be changed.

The invention relates to a high negative pressure diaphragm pump adjusting mechanism, which relates to the technical field of high negative pressure diaphragm pumps, and comprises a shell, a motor, a connecting rod assembly, a diaphragm, a first cover body, a second cover body, an inlet pipe, an outlet pipe and an adjusting mechanism. The adjusting mechanism is installed on the connecting rod assembly of the diaphragm pump, the threads are arranged at the two ends of the adjusting mechanism, accurate adjustment of the internal space of the diaphragm pump is achieved by manually rotating the adjusting mechanism and utilizing the screw pitch difference of the two ends, the clearance volume between the diaphragm and the valve plate is reduced under the condition that the diaphragm pump is not disassembled, and therefore the negative pressure is improved. According to the design of the screw pitch difference, the adjusting amount is equal to the difference value of the screw pitches at the two ends every time the diaphragm pump rotates by one circle, and therefore high-precision fine adjustment of the internal space of the diaphragm pump is achieved, and the effects that traditional negative pressure adjustment is achieved, the convenience of negative pressure adjustment is improved through a gasket mode, and performance reduction caused by gasket abrasion is avoided are achieved.

Improvements in fluid volume measurement systems are disclosed for a pneumatically actuated diaphragm pump in general, and a peritoneal dialysis cycler using a pump cassette in particular. Pump fluid volume measurements are based on pressure measurements in a pump control chamber and a reference chamber in a two-chamber model, with different sections being modeled using a combination of adiabatic, isothermal and polytropic processes. Real time or instantaneous fluid flow measurements in a pump chamber of the diaphragm pump are also disclosed, in this case using a one-chamber ideal gas model and using a high speed processor to obtain and process pump control chamber pressures during fluid flow into or out of the pump chamber. Improved heater control circuitry is also disclosed, to provide added or redundant safety measures, or to reduce current leakage from a heater element during pulse width modulation control of the heater element. Improvements are also disclosed in an application of negative pressure during a drain phase in peritoneal dialysis therapy, and to control an amount of intraperitoneal fluid accumulation during the therapy. Improvements in efficiency are also disclosed in movement of fluid into and out of a two-pump cassette and a heater bag of the peritoneal dialysis cycler, and in synchronization of operation of two or more pumps in the peritoneal dialysis cycler or other fluid handling devices using a multi-pump arrangement.

The invention relates to the technical field of diaphragm pumps, and discloses a system for testing a diaphragm pump. The system comprises a gas-liquid supply pipeline, a parameter detection module and a test module, the gas-liquid supply pipeline comprises a gas inlet branch and a liquid inlet branch, and is used for converging gas introduced from the gas inlet branch and liquid introduced from the liquid inlet branch and conveying the converged gas and liquid to the diaphragm pump to be tested; the parameter detection module is used for detecting flow information of the gas inlet branch and the liquid inlet branch so as to obtain corresponding flow detection parameters; and the test module is used for carrying out flow configuration on the air inlet branch and / or the liquid inlet branch and carrying out on-load performance test on the diaphragm pump to be tested according to flow detection parameters detected after the flow configuration. According to the embodiment of the invention, the flow of the mixed gas and liquid can be accurately measured, so that the loading performance of the gas-liquid mixing diaphragm pump can be verified.

The utility model discloses a salt lake lithium extraction adsorbent scrubbing system which comprises a scrubbing tower and an adsorption tower, and a sunken water distributor is arranged at the bottom end in the scrubbing tower; the middle position of the bottom of the concave water distributor penetrates through the bottom of the scrubbing tower and is connected with a runner opening; a water replenishing opening is formed in the middle of the bottom of the scrubbing tower; two feed ports are formed in the positions, close to the water inlet, of one side of the scrubbing tower, and a water outlet is formed in the position, close to the top, of one side of the scrubbing tower; the flow channel port is sequentially connected with a pneumatic valve j, a diaphragm pump B and an adsorption column through a pipeline; according to the system, crushed resin particles and impurities are effectively removed by cleaning an adsorbent, so that the adsorption performance and the flowability of a resin bed layer are recovered, and it is ensured that the resin bed layer is always in the optimal working state. In the process of scrubbing the adsorbent, the adsorbent does not need to be manually carried except for necessary adsorption tower pipeline connection operation, so that the scrubbing efficiency is remarkably improved.

The diaphragm pump comprises a pump head, the pump head is provided with a liquid inlet, a liquid outlet, a liquid inlet cavity communicating with the liquid inlet, a liquid outlet cavity communicating with the liquid outlet and an extrusion cavity communicating with the liquid inlet cavity and the liquid outlet cavity, and the diaphragm pump further comprises a rolling turbulent flow piece arranged in the liquid inlet cavity and / or the liquid outlet cavity. The rolling turbulent flow piece can roll in the liquid inlet cavity and / or the liquid outlet cavity under the impact of water flow, and turbulent flow is conducted on the water flow; the utility model further discloses a water purifier which comprises the diaphragm pump. Through the arrangement of the rolling spoiler, when water flow moving at a high speed makes contact with and collides with the rolling spoiler, kinetic energy of water flow is converted into motion kinetic energy of the rolling spoiler, so that fluid with a slow flow speed does not cause large vibration of the cavity wall when the fluid collides with the cavity wall; meanwhile, friction noise generated when the water flow flows through the cavity wall is correspondingly reduced, and an excellent water flow noise reduction effect is achieved in a high-flow-speed machine according to the technical scheme.

The utility model discloses an improved water stop diaphragm water pump. The improved water stop diaphragm water pump comprises a connecting part, a first water stop valve body, a second water stop valve body and a pumping assembly which are fixedly connected in sequence, a water stop cavity is formed between the first water stop valve body and the connecting part, a water stop seat is arranged in the water stop cavity, the interior of the water stop seat is a communicating cavity communicating with the valve plate cavity, and a water stop diaphragm is arranged in the water stop cavity; the first water stop valve body is provided with a water stop channel and an exhaust channel which are communicated with the water inlet connector and the balance cavity. When the water level rises, the water inlet connector is communicated with the balance cavity through the water stop channel, the water pressure of the balance cavity rises, and therefore water leakage of the water stop base is avoided. Bubbles are discharged by arranging the exhaust channel, so that the pressure of the water stop valve plate on the water stop seat is conveniently increased; and the liquid can directly enter the water stop cavity through the water stop diaphragm via the communicating cavity, so that the pumping flow rate of the liquid can be increased.

This invention relates to a sampling device and method for sulfur hexafluoride (SF6) and its mixed gases used in electrical equipment. The sampling device includes an equipment connection module, a sampling module, a gas filling module, and a vacuuming module. The equipment connection module, used to connect the electrical equipment and the gas sampler, consists of an equipment connection valve, a diaphragm pump, and corresponding pipelines. The sampling module, used for gas buffering, consists of a sampling cylinder, a pressure detection unit, a sampling valve, a gas filling valve, a tail gas valve, and corresponding pipelines. The gas filling module, used to fill the sampling container, consists of a booster pump, a sampling container connection valve, and corresponding pipelines. The vacuuming module, used for vacuuming and tail gas collection, consists of a vacuum pump, a tail gas collection device, and its connection valves. The sampling method utilizes appropriate flushing and vacuuming methods when the gas pressure is higher or lower than 0.2 MPa. This sampling device and method can improve the accuracy of sampling sulfur hexafluoride gas or sulfur hexafluoride mixed insulating gases.

The invention provides a CIP self-cleaning cooperative control system and method for a chemical diaphragm pump, and relates to the technical field of diaphragm pump cleaning control, and the system comprises a parameter obtaining module which is used for obtaining an operation parameter sequence and a residue concentration sequence; the dynamic residue traceability analysis module is used for judging whether a self-cleaning process is triggered or not according to the dynamic residue traceability analysis result, and if yes, a preset cleaning process template is called; the cleaning process optimization module is used for optimizing a preset cleaning process template in combination with the dynamic residue traceability analysis result to obtain an optimized cleaning process; and the self-cleaning module is used for executing an optimized cleaning process through the embedded control unit and carrying out self-cleaning on the chemical diaphragm pump. By means of the chemical diaphragm pump cleaning method and device, the technical problem that in the prior art, cleaning efficiency is low due to the fact that cleaning control depends on a fixed period and deep analysis on a pollution mechanism is lacked can be solved, the cleaning process is optimized through dynamic traceability analysis, and the cleaning efficiency of the chemical diaphragm pump is improved.

The invention discloses a planetary structure type flexible gear ring diaphragm pump, and belongs to the technical field of pumps, the planetary structure type flexible gear ring diaphragm pump comprises a pump body, a motor assembly is arranged in the pump body, an output shaft of the motor assembly is connected with a sun gear, a plurality of planetary gears are rotatably connected in the pump body, a flexible gear ring is arranged in the pump body, and the planetary gears are meshed and matched with the sun gear and the flexible gear ring. A fluid chamber seat is fixed at the end part of the pump body, a three-dimensional diaphragm is fixed in the fluid chamber seat, a plurality of flexible diaphragm chambers are arranged in the three-dimensional diaphragm along the outer circumferential direction of the flexible gear ring, and one-way valve groups are arranged on the flexible diaphragm chambers; planetary transmission and the positive displacement pump principle are combined, controllable deformation of a flexible component is used for replacing a traditional rigid connecting rod or eccentric wheel mechanism, and a brand-new internally-balanced driving mode is provided for fluid conveying; compared with a traditional eccentric wheel driving diaphragm pump, stress of the planet wheels on the two sides is always in internal balance, the running stability and reliability are greatly improved, and the motor cost is optimized.

The invention relates to the technical field of diaphragm pump automatic control, in particular to a diaphragm pump self-adaptive pressure relief and stabilization control method based on pressure feedback, which comprises the following steps: configuring reference parameters before starting and detecting faults of a pressure sensor, a pump driving unit and an electromagnetic pressure relief valve; obtaining an effective pressure value through moving average filtering; dynamically adjusting PID parameters according to the pressure deviation and the change trend; and pump rotating speed adjustment, graded pressure relief or emergency shutdown are executed according to the normal area, the early warning area and the overpressure area. The method effectively improves the pressure stabilization precision and the pressure relief response flexibility, comprehensively avoids the equipment fault risk, adapts to the working conditions of multiple fields, and remarkably enhances the reliability and practicability of system operation.

The invention discloses a low-pulsation steady flow pressure system, which relates to the technical field of fluid transportation and control, and comprises a series / parallel double-pump module, a filter, a pulsation damper, a sensor and a control center, the series / parallel double-pump module, the filter, the pulsation damper and the sensor are sequentially connected in series, and the control center is connected with the filter. The control center is in circuit connection with the serial / parallel double-pump module and the sensor; the series / parallel double-pump module consists of two micro diaphragm pumps and is used for generating complementary pulsation fluid output; by arranging the series / parallel double-pump module, the filter, the pulsation damper, the sensor and the control center, the flow pulsation is remarkably reduced through the complementary effect of the double pumps, and the output stability is improved; dynamic adjustment is achieved through closed-loop feedback control of the control center, and the response speed is increased; due to the design of the compact pulsation damper, the size of the system is reduced, and integrated installation is facilitated.

The invention relates to the technical field of sewage treatment, and discloses a slag-water separation sewage treatment recycling system which comprises a circulating water container and a cyclone desander, sewage is conveyed to the conical cyclone desander through a pneumatic diaphragm pump, and sand-water separation is achieved through high-speed cyclone; purified water enters the circulating water container for temporary storage through a top water outlet. The system adopts an integrated design, the cyclone desander operates independently, the complex structure of'container-in-container 'is avoided, and a closed loop of power, separation, slag storage and clear water recovery is formed. Circulating water can be directly supplied to high-pressure grinding equipment to be used, online recycling of water resources is achieved, and consumption of fresh water and discharge of waste water are reduced. The pneumatic diaphragm pump has the advantages of strong self-absorption, wear resistance, adjustable flow and the like, is suitable for conveying high-solid-content sewage, solves the problem that a traditional pump is easy to block and damage, and guarantees stable operation of a system. The system integrates efficient separation, water saving, environmental protection and long-term reliability, and is suitable for industrial sewage circulation treatment.

The utility model relates to a diaphragm pump noise reduction silencer which comprises a first-stage silencing pot, an air inlet assembly and an air exhaust assembly, and a first silencing layer is arranged on the inner wall of the first-stage silencing pot; the air inlet assembly comprises a drying cylinder and an air inlet pipe, one end of the drying cylinder is inserted into the first-stage silencing cylinder, a plurality of second air inlet holes are formed in the cylinder wall, located in the first-stage silencing cylinder, of the drying cylinder, and one end of the air inlet pipe is inserted into the drying cylinder from the other end of the drying cylinder; a plurality of first air inlet holes are formed in the pipe wall, located in the drying cylinder, of the air inlet pipe, the other end of the air inlet pipe is connected with an exhaust port of the diaphragm pump, and a water absorption layer is arranged in a cavity between the air inlet pipe and the drying cylinder. According to the diaphragm pump, moisture in airflow exhausted by the diaphragm pump is absorbed through the water absorption layer of the air inlet assembly so as to dry the airflow, the first silencing layer is matched with the partition plates to conduct primary silencing and noise reduction, secondary silencing and noise reduction are conducted through the second silencing layer, then the airflow is exhausted, the silencing and noise reduction effect is improved, and the service life of a silencer is prolonged.

A portable fluid tank system can include a fluid tank with an internal volume for fluid storage and a diaphragm pump for fluid pressurization and conveyance. The diaphragm pump can include a body defining a chamber that is in communication with the internal volume of the fluid tank, and a flexible diaphragm for pressure modulation. The portable fluid tank system can include an electronics housing to accommodate a removable energy storage device for providing power to the diaphragm pump.

The invention relates to the technical field of diaphragm pump aging test, and discloses a two-parameter intelligent closed-loop diaphragm pump aging test system and method. According to the method, a temperature spectrum and a vibration spectrum are obtained through fast Fourier transform, a frequency domain coherence coefficient is calculated to identify temperature-vibration coupling characteristics, a resonance frequency band and a drift trend thereof are identified in real time by adopting a spectrum peak tracking algorithm, and a multi-objective optimization function considering aging acceleration efficiency and resonance risk is constructed. And solving the optimal temperature stress amplitude and vibration stress frequency by using a particle swarm algorithm, generating a stress loading instruction avoiding a resonance area through a self-adaptive PID controller, and dynamically updating model parameters based on a closed-loop feedback mechanism. According to the invention, the problem of resonance effect amplification caused by traditional fixed frequency stress loading is solved, and refined adaptive stress control is realized.

The invention discloses a diaphragm pump driven by an axial integrated motor, and relates to the technical field of diaphragm pumps, the diaphragm pump comprises a pump body assembly and a driving assembly, and the pump body assembly is provided with a fluid inlet and a fluid outlet which are communicated; the driving assembly comprises a cam, a sliding part and a diaphragm, the diaphragm is arranged in the pump body assembly and divides the interior of the pump body assembly into a containing cavity and a fluid channel, the fluid channel communicates with the fluid inlet and the fluid outlet, the sliding part is arranged in the containing cavity in a sliding mode and connected to the diaphragm, and the cam is rotationally arranged in the containing cavity and provided with a plurality of force application protrusions arranged along the circumferential side of the cam. When the cam rotates, the multiple force application protrusions can be driven to drive the sliding piece to slide in a reciprocating mode one by one, the sliding piece can drive the diaphragm to swing in a reciprocating mode when sliding so as to drive the fluid channel to be continuously switched between the positive pressure and the negative pressure, fluid is driven to sequentially pass through the inlet and the fluid channel and then be discharged out of the outlet, and the purpose of fluid conveying is achieved. When the cam rotates by one circle, the diaphragm can be driven to move for multiple times, and the working efficiency of the diaphragm pump is improved.

The invention relates to the technical field of gas supply conveying devices, in particular to a conveying device for coating a carbonization gas tank, which comprises a base, the top end of the base is fixedly connected with a diaphragm pump and a gas storage tank, an electromagnetic valve is fixedly connected between the diaphragm pump and the gas storage tank through a pipeline, and the outlet end of the diaphragm pump is fixedly connected with an output pipe. A connecting pipe is arranged at the other end of the output pipe, a sealing mechanism, a concealed mounting mechanism and a monitoring and alarming mechanism are arranged between the connecting pipe and the output pipe, and an adjusting mechanism is arranged at the bottom end of the base. The sealing mechanism comprises a first connecting ring fixedly connected to the outer wall of the output pipe and a second connecting ring fixedly connected to the outer wall of the connecting pipe. Sealing treatment can be conducted on connection of the connecting pipe and the conveying pipe, the sealing effect is improved, the installation efficiency, secrecy and safety are improved, and the operation efficiency and stability of the whole system are guaranteed.

A diaphragm chamber structure of a diaphragm pump belongs to the technical field of diaphragm pumps, and particularly relates to improvement of the diaphragm chamber structure of the diaphragm pump. The diaphragm chamber comprises a diaphragm chamber cover, a rubber diaphragm and a diaphragm cavity, and is characterized in that a cavity is formed in one side of the diaphragm chamber cover, and a pressing part is arranged on the outer circumference of the cavity; a channel is formed in the other side of the diaphragm chamber cover; an inlet and an outlet are respectively formed in two ends of the channel; the cavity is communicated with the channel; a pressing groove corresponding to the pressing part is formed in the diaphragm cavity; and the edge of the rubber diaphragm is clamped and fixed through the mutual matching of the pressing part and the pressing groove. The production cost and the maintenance cost are reduced, the structure is simple, and casting defects in the casting process are reduced.

An assembly for a diaphragm pump includes: a body defining a plurality of diaphragm chambers spaced apart about a body axis, wherein each diaphragm chamber defines a membrane opening, an inlet chamber in fluid communication with each diaphragm chamber, and an outlet chamber in fluid communication with each diaphragm chamber; and a plurality of flexible membranes that each comprise an outer edge, wherein the body is configured to clamp the outer edge of each membrane along a corresponding membrane opening to seal a corresponding one of the diaphragm chambers; wherein the membranes are configured to deflect substantially in parallel to the body axis to suction fluid into each diaphragm chamber from the inlet chamber and discharge fluid from each diaphragm chamber into the outlet chamber; wherein each membrane comprises a coupling section configured to couple the membrane to a pump drive and arranged along a diaphragm axis that extends in parallel to the body axis, and a deflection section arranged radially outwardly from the coupling section and configured to deflect in response to movement of the pump drive; and wherein movement of the coupling section radial to and about the diaphragm axis is restricted to suppress movement of the deflection section radial to and about the diaphragm axis.

The present invention relates to the technical field of wave energy power generation, and particularly to a wave energy power generation method, which is realized based on a float and a water storage tank; a diaphragm pump is arranged inside the float, and the diaphragm pump includes a top plate, a bottom plate and a flexible wall body capable of deforming. The top plate, the bottom plate and the flexible wall body jointly enclose a cavity. An inlet pipe and an outlet pipe with one-way valves are arranged on the top plate, and a damping disc is connected to the bottom plate through a connecting piece; a water storage cavity, a water turbine generator set located at the lower part of the water storage cavity and an energy storage battery connected to the water turbine generator set are arranged inside the water storage tank; the water storage cavity is communicated with the outlet pipe; the float moves up and down with the waves, driving the flexible wall body to deform, and the volume of the cavity of the diaphragm pump changes, sucking seawater into the cavity of the diaphragm pump or pumping the seawater in the cavity out into the water storage cavity, driving the water turbine generator set to generate electricity, and storing the electric energy in the energy storage battery. Through this power generation method, the problems of high cost and short service life can be effectively solved.

The invention discloses diaphragm pump diaphragm material performance detection equipment, and belongs to the technical field of diaphragm detection, the diaphragm pump diaphragm material performance detection equipment comprises a test board for detecting two diaphragm components and two simulation detection boxes, the top end of the test board is connected with a reciprocating driving mechanism through a mounting seat, and the reciprocating driving mechanism is connected with two symmetrically arranged glands through push rods; a stress concentration cylinder is arranged outside the push rod. Through the arrangement of the amplification assembly, electromagnetic repulsive force can be utilized to trigger instant injection of high-pressure gas, directional air pressure stress is applied to microcracks of the diaphragm in an ultimate tensile state, invisible cracks are expanded to be in detectable sizes through the stress concentration effect of the tip of the cracks, and the detection reliability is improved; the elastic recovery capability of the diaphragm can be detected and the permanent deformation can be quantified by utilizing the circular scanning of the correlation photoelectric sensor, and the compactness of the diaphragm material can be tested and the bubble or layering defect can be identified by utilizing the negative pressure expansion detection.

The utility model is applicable to the technical field of diaphragm pumps, and provides a diaphragm pump with a reversing structure, which comprises a pump body and a reversing valve casing, the pump body consists of a main body and diaphragm cavity casings arranged at two ends of the main body, a shaft core cavity penetrating to two ends is arranged in the main body, a shaft core is arranged in the shaft core cavity in a reciprocating motion manner, and the reversing valve casing is arranged in the shaft core cavity. A piston cavity penetrating to the two ends is formed in the reversing valve shell. According to the diaphragm pump with the reversing structure, a plurality of air holes are formed in the reversing valve shell and the main body, and compressed air is communicated with the diaphragm pump main body through the air holes, so that the piston and the shaft core do reciprocating motion, automatic reversing is achieved, diaphragms at the two ends are driven to stir repeatedly, liquid suction and liquid discharge are achieved, and combined work is ingeniously achieved; the whole device is only provided with two movable parts, namely the piston and the shaft core, so that the whole mechanical structure is simple, the stability is high, faults are not prone to occurring, the number of quick-wear parts is small, the production and manufacturing cost is low, maintenance is convenient, and the fault rate is low.

The utility model discloses an array type piezoelectric diaphragm pump, and relates to the technical field of piezoelectric diaphragm pump production and design. The device comprises a diaphragm pump, the diaphragm pump is formed by combining pump bodies, a water inlet pipe, a water outlet pipe and a fixing seat, the pump bodies are communicated through a guide pipe, a rapid positioning unit is arranged below the pump bodies, the fixing seat in the rapid positioning unit is slidably connected to the interior of a bottom plate, a convex block is fixedly connected to the top of the bottom plate, and a concave block is fixedly connected to the bottom of the fixing seat. The protruding block is movably connected with the concave block in a clamped mode, and the clamping piece is arranged in the bottom plate and movably connected with the fixing base in a clamped mode. According to the device, the position of the pump body is limited through the bottom plate, the pump body can be rapidly positioned through cooperation of the sliding grooves and the bottom plate, the installation efficiency is improved, unnecessary abrasion to the pump body is avoided, original bolt fixing is replaced through cooperation of the protruding blocks, the concave blocks and the clamping pieces, the fixing effect cannot be affected by vibration, and the requirements of users are met.